1 2006-11-07 Steve Ellcey <sje@cup.hp.com>
4 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
5 _fixunstfdi, and _floatditf
7 2006-11-06 Anatoly Sokolov <aesok@post.ru>
9 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
11 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
12 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
13 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
14 which start in an odd register.
16 2006-11-07 Richard Sandiford <richard@codesourcery.com>
18 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
20 2006-11-07 Josh Conner <jconner@apple.com>
22 * doc/invoke.texi (fstrict-aliasing): Move implementation
24 * doc/tree-ssa.texi (Alias analysis): ...here.
26 2006-11-07 Richard Guenther <rguenther@suse.de>
28 PR tree-optimization/29610
29 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
30 of tree_purge_dead_eh_edges as it may free dominators.
32 * g++.dg/other/pr29610.C: New testcase.
34 2006-11-07 David Ung <davidu@mips.com>
36 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
37 costs when optimizing for size.
38 (override_options): Use mips_rtx_cost_optimize_size table for cost
41 2006-11-07 Jie Zhang <jie.zhang@analog.com>
43 * gcc.c (process_command): Treat -b as normal switch if its argument
46 2006-11-07 David Ung <davidu@mips.com>
48 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
51 2006-11-06 Eric Christopher <echristo@apple.com>
53 * config.gcc: Add x86_64-darwin host support.
55 * config/i386/darwin64.h: New file.
56 * config/i386/t-darwin64: Ditto.
58 2006-11-06 Janis Johnson <janis187@us.ibm.com>
60 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
61 and output-exists-not.
63 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
66 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
67 checking for overflow.
69 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
71 * configure.ac: Fixed typo in case statement: :: changed to ;;
73 2006-11-06 Bob Wilson <bob.wilson@acm.org>
75 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
76 count_leading_zeros, and count_trailing_zeros.
77 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
78 (TARGET_FOLD_BUILTIN): Define.
79 (TARGET_EXPAND_BUILTIN): Define.
80 (xtensa_init_builtins): New.
81 (xtensa_fold_builtin): New.
82 (xtensa_expand_builtin): New.
83 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
84 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
85 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
86 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
87 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
88 (any_extend): New code macro.
89 (u, su): New code attributes.
90 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
91 (nsau): Remove; replaced by clzsi2.
93 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
94 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
95 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
96 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
97 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
99 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
101 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
103 * config/arm/t-strongarm-elf: Likewise.
104 * config/arm/t-pe: Likewise.
105 * config/arm/t-arm-elf: Likewise.
106 * config/arm/t-xscale-elf: Likewise.
107 * config/arm/t-arm-coff: Likewise.
108 * config/arm/t-xscale-coff: Likewise.
109 * config/arm/t-wince-pe: Likewise.
111 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
113 * config/sh/lib1funcs-4-300.asm: Guard entire file with
116 2006-11-05 Jakub Jelinek <jakub@redhat.com>
119 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
122 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
125 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
126 as a valid 80387 constant.
127 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
128 * config/i386/i386.md (unnamed splitter): Split the load of
129 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
132 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
134 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
135 from the soft-frame, argument and virtual registers.
137 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
139 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
140 patterns for standard 80387 constants.
142 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
143 Steven Bosscher <steven@gcc.gnu.org>
145 * fwprop.c: New file.
146 * Makefile.in: Add fwprop.o.
147 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
148 * passes.c (init_optimization_passes): Schedule forward propagation.
149 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
151 * timevar.def (TV_FWPROP): New.
152 * common.opt (-fforward-propagate): New.
153 * opts.c (decode_options): Enable forward propagation at -O2.
154 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
155 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
156 canon_for_address, table_size): Remove.
157 (new_basic_block, insert, remove_from_table): Remove references to
159 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
160 simplification loop more straightforward by not calling fold_rtx
162 (equiv_constant): Move here a small part of fold_rtx_subreg,
163 do not call fold_rtx. Call avoid_constant_pool_reference
165 * recog.h (canonicalize_change_group): New.
167 * doc/invoke.texi (Optimization Options): Document fwprop.
168 * doc/passes.texi (RTL passes): Document fwprop.
170 2006-11-03 Geoffrey Keating <geoffk@apple.com>
172 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
173 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
174 (grokdeclarator): Likewise.
176 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
178 * tree-dump.c (dump_enable_all): Rename local variable
179 ir_type to avoid name conflicts.
180 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
181 instead of using ir_type().
182 * profile.c (tree_register_profile_hooks): Likewise.
183 * value-prof.c (tree_register_value_prof_hooks): Likewise.
184 * basic-block.h (struct edge_def): Likewise.
185 * config/arm/arm.c (legitimize_pic_address): Likewise.
186 * coretypes.h (ir_type): New enum of all intermediate languages
188 * cfghooks.c (ir_type): Rename to...
189 (current_ir_type): ...this. Distinguish between cfgrtl and
190 cfglayout mode when the current IR is RTL. Return enum ir_type.
191 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
193 2006-11-03 Paul Brook <paul@codesourcery.com>
195 * config/arm/arm.c (arm_file_start): New function.
196 (TARGET_ASM_FILE_START): Define.
197 (arm_default_cpu): New variable.
198 (arm_override_options): Set arm_default_cpu.
200 2006-11-03 David Ung <davidu@mips.com>
202 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
203 PROCESSOR_24KC and PROCESSOR_24KF.
204 * config/mips/mips.c (mips_cpu_info_table): Add processor names
205 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
206 (mips_rtx_cost_data): Add costs for the 24kc.
207 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
208 * config/mips/24k.md: Remove references to 24k and replace with
209 uses of 24kc/24kf in the appropriate reservations.
210 * doc/invoke.texi (MIPS Options): Updated.
212 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
214 * config/sh/crt1.asm: Fix #ifdef indent.
216 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
217 Merged from STMicroelectronics sources:
218 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
219 * config/sh/crt1.asm (vbr_600): Add missing #if.
220 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
221 * sh.opt (mfused-madd): New option.
222 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
223 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
224 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
225 Remove pointless handler at VBR+0.
226 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
227 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
228 fr7. Make sure the timer handler is called with the correct FPU
229 precision setting, according to the ABI.
230 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
231 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
232 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
233 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
234 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
235 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
236 zero as second operand.
237 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
238 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
239 Fixed some bugs related to negative values, in particular -0
240 and overflow at -0x80000000.
241 * config/sh/divcost-analysis: Added sh4-300 figures.
242 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
243 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
244 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
245 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
246 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
247 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
249 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
251 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
252 SH4-300 scheduling description & fixes to SH4-[12]00 description:
253 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
254 mac_mem, mem_mac, dfp_mul, fp_cmp.
255 (insn_class, dfp_comp, any_fp_comp): Update.
256 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
257 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
258 (muldf3_i): Likewise.
259 (movsi_i): Split rI08 alternative into two separate alternatives.
261 (movsi_ie, movsi_i_lowpart): Likewise.
262 (movqi_i): Split ri alternative into two separate alternatives.
264 * sh1.md (sh1_load_store, sh1_fp): Update.
265 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
266 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
267 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
268 (sh4a_fp_double_arith): Likewise.
269 * sh4-300.md: New file.
270 * sh.c (sh_handle_option): Handle m4-300* options.
271 (sh_adjust_cost): Fix latency of auto-increments.
272 Handle SH4-300 differently than other SH4s. Check for new insn types.
273 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
274 been set by an option.
275 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
276 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
277 (mbranch-cost=): Likewise.
278 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
280 * sh.md (mulsf3): Remove special expansion code.
281 (mulsf3_ie): Now a define_insn_and_split.
282 (macsf3): Allow for TARGET_SH4.
284 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
285 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
286 (expand_cbranchdi4): Likewise.
287 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
288 CONST_DOUBLE if the outer code is COMPARE.
289 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
290 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
291 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
292 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
293 Remove redundant fp_{zero,one}_operand checks.
294 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
295 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
296 (expand_cbranchdi4): Likewise.
297 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
298 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
300 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
302 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
305 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
307 * doc/invoke.texi: Fix mfp-trap-mode typo.
309 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
311 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
312 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
313 file_end_indicate_exec_stack.
314 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
316 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
317 for a non-executable stack.
318 * crti.asm: Likewise.
319 * crtn.asm: Likewise.
320 * libunwind.S: Likewise.
322 2006-11-02 Ben Elliston <bje@au.ibm.com>
324 * tree-ssa.c (warn_uninit): Use expand_location variables for
325 locus and declaration locus.
327 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
330 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
331 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
332 cmp{eq,gt,gtu}{si,di}_media.
333 (*cmpne0si_media): Remove.
334 (*movsicc_umin): Adjust gen_cmp*_media call.
335 (unordered): Change the mode of unordered and operands[1] to
337 (seq): Adjust gen_cmp*_media calls. Make the mode of
338 a temporary result of compare SImode if needed. If the mode
339 of operands[0] is DImode, extend the temporary result to DImode.
340 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
341 (sunorderd): Change the mode of match_operand and unorderd to
343 (cmpeq{sf,df}_media): Remove.
344 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
345 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
346 and compare operation to SImode.
348 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
350 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
352 (sparc64-sun-solaris2*): Likewise.
354 2006-11-02 Paul Brook <paul@codesourcery.com>
356 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
357 from priority argument. Use different section for non-default
359 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
361 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
364 * except.c (switch_to_exception_section): Do not cache the section
365 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
366 and flag_function_sections is set.
368 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
371 * builtins.c (do_mpfr_sincos): New.
372 (fold_builtin_1): Use it to fold builtin sincos.
374 2006-11-01 Roger Sayle <roger@eyesopen.com>
376 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
377 it into -D_REENTRANT.
379 2006-11-01 Roger Sayle <roger@eyesopen.com>
381 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
382 whether the assembler supports taking the difference of symbols in
383 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
384 * configure: Regenerate.
385 * config.in: Regenerate.
386 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
387 the assembler doesn't support taking the difference of symbols in
388 different sections, i.e. we're using the native solaris assembler.
390 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
391 Peter Bergner <bergner@vnet.ibm.com>
393 * doc/invoke.texi: Add cpu_type power6x
394 (RS/6000 and PowerPC Options): Add -mmfpgpr.
395 * config.gcc: Add cpu_type power6x.
396 * configure.ac: Add test for mf{t,f}gpr instructions.
397 (HAVE_AS_MFPGPR): New.
398 * config.in: Regenerate.
399 * configure: Regenerate.
400 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
401 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
402 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
403 and mftgpr attributes.
404 (define_attr "cpu"): Add power6.
405 Change instruction sequences to use new attributes.
406 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
407 (fix_truncdfsi2_mfpgpr): New.
408 (floatsidf_ppc64_mfpgpr): New.
409 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
410 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
411 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
412 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
413 (fix_truncdfsi2): Use gpc_reg_operand constraint.
414 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
415 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
416 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
417 cntlz,exts and var_delayed_compare.
418 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
419 _ARCH_PWR6X, if features enabled.
420 * config/rs6000/rs6000.opt (mmfpgpr): New.
421 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
422 (cached_can_issue_more): New variable.
423 (processor_costs): Add power6_cost.
424 (rs6000_sched_init): New function.
425 (is_dispatch_slot_restricted): Deleted.
426 (set_to_load_agen): New function.
427 (is_load_insn,is_store_insn): New functions.
428 (adjacent_mem_locations): New function.
429 (insn_must_be_first_in_group): New function.
430 (insn_must_be_last_in_group): New function.
431 (rs6000_sched_reorder): New function.
432 (rs6000_sched_reorder2): New function.
433 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
434 TARGET_SCHED_REORDER2): Define.
435 (processor_target_table): Use PROCESSOR_POWER6 for power6.
436 Add power6x. Add MASK_MFPGPR for power6x.
437 (POWERPC_MASKS): Add MASK_MFPGPR.
438 (rs6000_override_options): Set rs6000_always_hint to false
439 for power6. Set rs6000_align_branch_targets. Replace
440 rs6000_sched_groups check with rs6000_align_branch_targets.
441 Use PROCESSOR_POWER6.
442 (last_scheduled_insn): New variable.
443 (load_store_pendulum): New variable.
444 (rs6000_variable_issue): Set last_scheduled_insn and
445 cached_can_issue_more.
446 (rs6000_adjust_cost): Add power6 cost adjustments.
447 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
448 with insn_must_be_first_in_group. Add power6 priority adjustments.
449 (rs6000_issue_rate): Add CPU_POWER6.
450 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
451 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
452 (TARGET_MFPGPR): New.
453 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
454 (ASM_CPU_SPEC): Add power6x.
455 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
457 * config/rs6000/power6.md: New file.
459 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
461 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
462 HOST_WIDE_INT_PRINT to print high and low parts. Use
463 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
464 printing a hexadecimal number prefix it with 0x.
466 2006-11-01 Chris Johns <chris@contemporary.net.au>
469 * Makefile.in (install-driver): Use exeext when installing
470 $target-gcc-$version.
472 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
474 * c-common.c (flag_cpp0x): New.
475 * c-common.h (flag_cpp0x): New.
476 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
477 supported, define __GXX_EXPERIMENTAL_CPP0X__.
478 * c-opts.c (set_std_cxx0x): New.
479 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
480 * c.opt (std=c++0x): Document.
481 (std=gnu++0x): Ditto.
482 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
483 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
485 2006-11-01 Richard Guenther <rguenther@suse.de>
487 * config/i386/i386.c (ix86_expand_rint): Fix issues with
489 (ix86_expand_floorceildf_32): Likewise.
490 (ix86_expand_floorceil): Likewise.
491 (ix86_expand_trunc): Likewise.
493 2006-10-31 Andrew Pinski <pinskia@gmail.com>
495 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
498 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
500 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
502 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
504 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
506 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
507 * configure.ac (use_cxa_atexit): As a special case, don't test
508 for libc definition of __cxa_atexit on mingw32
509 * configure: Regenerate.
510 * config.gcc (i[34567]86-pc-mingw32): Default to
511 enable__cxa_atexit=yes.
513 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
515 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
517 2006-10-31 Geoffrey Keating <geoffk@apple.com>
520 * c-decl.c (start_struct): Don't create self-containing
522 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
524 * config/rs6000/rs6000-protos.h
525 (darwin_rs6000_special_round_type_align): New.
526 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
527 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
529 2006-10-31 Geoffrey Keating <geoffk@apple.com>
531 * toplev.c (compile_file): Call final_write_globals
532 even if there have been errors.
534 2006-10-31 Eric Christopher <echristo@apple.com>
535 Falk Hueffner <falk@debian.org>
537 * doc/extend.texi (__builtin_bswap32): Document.
538 (__builtin_bswap64): Ditto.
539 * doc/libgcc.texi (bswapsi2): Document.
541 * doc/rtl.texi (bswap): Document.
542 * optabs.c (expand_unop): Don't widen a bswap.
543 (init_optabs): Init bswap. Set libfuncs explicitly
544 for bswapsi2 and bswapdi2.
545 * optabs.h (OTI_bswap): New.
546 (bswap_optab): Ditto.
547 * genopinit.c (optabs): Handle bswap_optab.
548 * tree.h (tree_index): Add TI_UINT32_TYPE and
550 (uint32_type_node): New.
551 (uint64_type_node): Ditto.
552 * tree.c (build_common_tree_nodes_2): Initialize
553 uint32_type_node and uint64_type_node.
554 * builtins.c (expand_builtin_bswap): New.
555 (expand_builtin): Call.
556 (fold_builtin_bswap): New.
557 (fold_builtin_1): Call.
558 * fold-const.c (tree_expr_nonnegative_p): Return true
560 * builtin-types.def (BT_UINT32): New.
562 (BT_FN_UINT32_UINT32): Ditto.
563 (BT_FN_UINT64_UINT64): Ditto.
564 * builtins.def (BUILT_IN_BSWAP32): New.
565 (BUILT_IN_BSWAP64): Ditto.
566 * rtl.def (BSWAP): New.
567 * genattrtab.c (check_attr_value): New.
568 * libgcc2.c (__bswapSI2): New.
570 * libgcc2.h (__bswapSI2): Declare.
572 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
573 * simplify-rtx.c (simplify_const_unary_operation): Return
575 * libgcc-std.ver (__bwapsi2): Add.
577 * reload1.c (eliminate_regs_1): Add bswap.
578 (elimination_effects): Ditto.
579 * config/i386/i386.h (x86_bswap): New.
581 * config/i386/i386.c (x86_bswap): Set.
583 2006-10-31 Geoffrey Keating <geoffk@apple.com>
585 * coverage.c (coverage_checksum_string): Update comment.
586 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
587 of get_file_function_name.
588 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
589 of get_file_function_name_long.
590 * tree.c (get_file_function_name): Rename from
591 get_file_function_name_long; improve comment; handle 'I' and 'D'
592 specially when the target has ctor/dtor support; remove special
594 (get_file_function_name): Remove.
595 * tree.h (get_file_function_name): Rename from
596 get_file_function_name_long.
597 (get_file_function_name): Remove prototype.
599 2006-10-31 Geoffrey Keating <geoffk@apple.com>
601 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
602 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
604 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
605 Call dsymutil when compiling and linking one or more source files
608 2006-10-31 Geoffrey Keating <geoffk@apple.com>
611 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
613 2006-10-31 Geoffrey Keating <geoffk@apple.com>
615 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
616 inline static functions in c99 mode.
619 * doc/extend.texi (Inline): Update.
620 * c-tree.h (struct language_function): Remove field 'extern_inline'.
621 * c-decl.c (current_extern_inline): Delete.
622 (pop_scope): Adjust test for an undefined nested function.
623 Add warning about undeclared inline function.
624 (diagnose_mismatched_decls): Update comments. Disallow overriding
625 of inline functions in a translation unit in C99. Allow inline
626 declarations in C99 at any time.
627 (merge_decls): Boolize variables. Handle C99 'extern inline'
629 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
630 C99 inline semantics.
631 (start_function): Don't clear current_extern_inline. Don't set
633 (c_push_function_context): Don't push current_extern_inline.
634 (c_pop_function_context): Don't restore current_extern_inline.
637 * c-typeck.c (build_external_ref): Warn about static variables
638 used in extern inline functions.
639 * c-decl.c (start_decl): Warn about static variables declared
640 in extern inline functions.
642 2006-10-31 Roger Sayle <roger@eyesopen.com>
645 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
646 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
647 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
648 or y is an even integer.
650 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
653 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
654 * gthr-posix95.h (__gthread_active_p): Likewise.
656 2006-10-31 Richard Guenther <rguenther@suse.de>
658 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
659 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
660 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
661 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
662 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
663 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
664 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
665 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
668 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
670 * opts.c (decode_options): Disable CSE skip blocks.
672 2006-10-30 Dirk Mueller <dmueller@suse.de>
674 * c-common.h (strict_aliasing_warning): Fix whitespace.
675 * c-decl (start_function): Move code for main decl warning ..
676 * c-common.c (check_main_parameter_types): .. here.
677 * c-common.h (check_main_parameter_types): Declare.
679 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
682 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
684 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
686 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
687 be a PARALLEL containing sets. Return false when out_pat is not
690 2006-10-30 Richard Sandiford <richard@codesourcery.com>
692 * config/mips/mips.md (mul<mode>3): Split into...
693 (mulsi3, muldi3): ...these separate patterns.
695 2006-10-30 Richard Sandiford <richard@codesourcery.com>
697 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
698 but with each set of options separated by spaces.
700 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
702 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
703 dwarf_reg_size_table has been initialized.
705 2006-10-30 Roger Sayle <roger@eyesopen.com>
707 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
708 * ddg.c (print_ddg_edge): Likewise.
709 * dwarf2out.c (prune_unused_types_walk): Likewise.
710 * ifcvt.c (noce_try_cmove_arith): Likewise.
711 * langhooks.c (add_builtin_function): Likewise.
712 * reg-stack.c (subst_stack_regs_pat): Likewise.
713 * tree.c (expanded_location): Likewise.
714 * tree-dump.c (dequeue_and_dump): Likewise.
716 2006-10-30 David Daney <ddaney@avtrex.com>
718 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
720 2006-10-30 Jakub Jelinek <jakub@redhat.com>
722 PR tree-optimization/29637
723 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
724 of the innertype is the innertype itself.
726 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
728 * dwarf2out.c (file_name_acquire): Correct typo.
730 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
732 * tree.h (tree_value_handle): Remove struct value_set declaration.
733 Change value_set to bitmap_set.
734 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
735 * tree-vn.c (get_value_handle): Made inline and moved to
737 * tree-flow-inline.h: (has_stmt_ann): New function.
738 * tree-ssa-pre.c (expressions): New variable.
739 (next_expression_id): Ditto.
740 (alloc_expression_id): New function.
741 (struct value_set): Remove.
742 (get_expression_id): New function.
743 (get_or_alloc_expression_id): Ditto.
744 (expression_for_id): Ditto.
745 (clear_expression_ids): Ditto.
746 (FOR_EACH_EXPR_ID_IN_SET): New macro.
747 (bb_value_sets): Renamed to bb_bitmap_sets.
748 All value sets replaced with bitmap_sets.
750 (BB_VISITED): New macro.
751 (postorder): New variable.
752 (add_to_value): Removed.
753 (value_exists_in_set_bitmap): Ditto.
754 (value_insert_into_set_bitmap): Ditto.
758 (set_contains_value): Ditto.
759 (insert_into_set): Ditto.
761 (find_leader): Ditto.
762 (bitmap_set_subtract_from_value_set): Ditto.
763 (value_insert_into_set): Ditto.
764 (print_value_set): Ditto.
765 (debug_value_set): Ditto.
766 (constant_expr_p): New function.
767 (bitmap_remove_from_set): Ditto.
768 (bitmap_insert_into_set): Ditto.
769 (bitmap_set_free): Ditto.
771 (sorted_array_from_bitmap_set): Ditto.
772 (bitmap_set_subtract): Ditto.
773 (bitmap_set_equal): Ditto.
774 (debug_bitmap_set): Ditto.
775 (find_leader_in_sets): Ditto.
776 (bitmap_set_replace_value): Modify for bitmapped sets.
777 (phi_translate): Ditto.
778 (phi_translate_set): Ditto.
779 (bitmap_find_leader): Ditto.
780 (valid_in_sets): Ditto.
781 (union_contains_value): Ditto.
783 (compute_antic_aux): Ditto. Mark changed blocks.
784 (compute_antic): Ditto. Iterate in postorder and only over
786 (compute_rvuse_and_antic_safe): Reuse postorder.
787 (create_component_ref_by_pieces): Modify for bitmapped sets.
788 (find_or_generate_expression): Ditto.
789 (create_expression_by_pieces): Ditto.
790 (insert_into_preds_of_block): Ditto.
791 (changed_blocks): New variable.
792 (do_regular_insertion): Broken out from insert_aux.
793 (insert_aux): Modified for bitmapped sets.
794 (find_existing_value_expr): New function.
795 (create_value_expr_from): Use it.
796 (insert_extra_phis): Removed.
797 (print_bitmap_set): Renamed from bitmap_print_value_set.
798 (compute_avail): Handle RETURN_EXPR.
799 (init_pre): Modify for bitmapped sets.
800 * tree-flow.h (has_stmt_ann): New function.
802 2006-10-29 Roger Sayle <roger@eyesopen.com>
804 * builtins.c (fold_builtin_floor): Check for the availability of
805 the C99 trunc function before transforming floor into trunc.
807 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
809 * builtins.c (fold_builtin_hypot): Rearrange recursive
810 transformation before others, and also do ABS_EXPR. When
811 necessary, check flag_unsafe_math_optimizations. When necessary,
814 2006-10-29 Roger Sayle <roger@eyesopen.com>
816 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
817 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
818 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
819 Fold -X eq/ne -Y as X eq/ne Y.
821 2006-10-29 Richard Sandiford <richard@codesourcery.com>
823 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
824 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
825 rather than GENERATE_MULT3_SI in the various define_peephole2s.
826 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
827 Use an inclusive test for "mult" rather than "mul".
828 (rotr<mode>3): Depend on ISA_HAS_ROR.
829 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
831 (GENERATE_MULT3_DI): Delete.
832 (ISA_HAS_64BIT_REGS): Use consistent formatting.
833 (ISA_HAS_MUL3): New macro.
834 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
835 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
836 (ISA_HAS_CLZ_CLO): Likewise.
837 (ISA_HAS_DCLZ_DCLO): Delete.
838 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
839 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
840 the VR4120 and VR4130.
841 (ISA_HAS_MACCHI): Use consistent formatting.
842 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
843 (ISA_HAS_ROR): ...this new macro.
844 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
845 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
846 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
848 2006-10-29 Roger Sayle <roger@eyesopen.com>
850 PR tree-optimization/15458
851 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
854 2006-10-29 Richard Guenther <rguenther@suse.de>
856 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
857 (ix86_expand_truncdf_32): Likewise.
858 * config/i386/i386.c (ix86_expand_trunc): New function expanding
859 trunc inline for SSE math and -fno-trapping-math and if not
861 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
862 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
863 for expanding btrunc inline for SSE math.
865 2006-10-29 Joseph Myers <joseph@codesourcery.com>
867 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
868 Handle tuning for bi-arch i[34567]86-*-linux* like that for
869 i[34567]86-*-solaris2.1[0-9]*.
870 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
871 Define conditionally depending on TARGET_64BIT_DEFAULT.
872 (SPEC_32, SPEC_64): Define.
873 (LINK_SPEC): Use them.
874 * doc/install.texi (--enable-targets=all): Document for x86-linux.
876 2006-10-29 Richard Guenther <rguenther@suse.de>
878 * config/i386/i386-protos.h (ix86_expand_round): Declare.
879 (ix86_expand_rounddf_32): Likewise.
880 * config/i386/i386.c (ix86_expand_round): New function expanding
881 round inline for SSE math and -fno-trapping-math and if not
883 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
884 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
885 round via ix86_expand_round.
887 2006-10-29 Richard Guenther <rguenther@suse.de>
889 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
890 (ix86_expand_floorceildf_32): Likewise.
891 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
892 static helper function.
893 (ix86_expand_floorceil): Expander for floor and ceil to SSE
895 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
896 * config/i386/i386.md (floordf2): Adjust to enable floor
897 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
898 -fno-trapping-math is enabled and if not optimizing for size.
899 (floorsf2, ceildf2, ceilsf2): Likewise.
900 * config/i386/sse.md (sse_maskcmpsf3): New insn.
901 (sse2_maskcmpdf3): Likewise.
903 2006-10-29 Richard Guenther <rguenther@suse.de>
905 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
906 rint in case -fno-trapping-math is enabled.
907 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
908 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
909 (ix86_expand_sse_fabs): Likewise.
910 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
911 * config/i386/i386.md (rintdf2): Enable for SSE math if
912 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
915 2006-10-29 Richard Guenther <rguenther@suse.de>
917 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
918 to conversion optabs.
919 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
921 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
922 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
923 (lfloor_optab, lceil_optab): Adjust defines.
924 * builtins.c (expand_builtin_int_roundingfn): Adjust for
925 lfloor and lceil optabs now being conversion optabs.
926 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
927 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
928 New static helper function.
929 (ix86_expand_lfloorceil): New function to expand lfloor and
931 * config/i386/i386.md (lfloor<mode>2): Split into ...
932 (lfloorxf<mode>2): ... x87 variant
933 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
934 using ix86_expand_lfloorceil.
935 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
937 * doc/md.texi (lfloorMN, lceilMN): Document.
939 2006-10-29 Richard Sandiford <richard@codesourcery.com>
941 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
942 -mno-shared assembler option on mips targets.
943 * configure, config.in: Regenerate.
944 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
945 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
946 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
948 2006-10-29 Richard Sandiford <richard@codesourcery.com>
950 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
951 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
953 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
955 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
956 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
959 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
962 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
963 (fold_builtin_pow): Evaluate constant arguments at compile-time
965 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
966 (do_mpfr_ckconv): New helper function.
967 (do_mpfr_arg1): Use do_mpfr_ckconv.
970 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
973 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
974 (-fdump-rtl-sched): Rename to ..
975 (-fdump-rtl-sched1): here. Also fix file extension number.
977 2006-10-28 Richard Guenther <rguenther@suse.de>
979 * fold-const.c (maybe_canonicalize_comparison): Fix code
982 2006-10-28 Uros Bizjak <uros@kss-loka.si>
984 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
985 (NON_QI_REG_P): Use IN_RANGE.
986 (REX_INT_REGNO_P): Use IN_RANGE.
987 (FP_REGNO_P): Use IN_RANGE.
988 (SSE_REGNO_P): Use IN_RANGE.
989 (REX_SSE_REGNO_P): Use IN_RANGE.
990 (MMX_REGNO_P): Use IN_RANGE.
991 (STACK_REGNO_P): New macro.
992 (STACK_REG_P): Use STACK_REGNO_P.
993 (NON_STACK_REG_P): Use STACK_REGNO_P.
994 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
995 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
996 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
997 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
998 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
1000 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
1002 * except.h (output_function_exception_table): Add 'const char*' param.
1003 * except.c (switch_to_exception_section): Add 'const char*' param.
1004 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1005 and flag_function_sections is set, use a function-specific section.
1006 (output_function_exception_table): Add 'const char*' param.
1007 Adjust call to switch_to_exception_section.
1008 * final.c (rest_of_handle_final): Adjust calls to
1009 output_function_exception_table.
1010 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
1011 * config.in: Regenerate.
1012 * configure: Likewise.
1014 2006-10-28 Richard Guenther <rguenther@suse.de>
1017 * fold-const.c (maybe_canonicalize_comparison_1): Helper
1018 for maybe_canonicalize_comparison.
1019 (maybe_canonicalize_comparison): New function for canonicalizing
1021 (fold_comparison): Call it to canonicalize comparisons with
1024 2006-10-28 Richard Guenther <rguenther@suse.de>
1027 * builtins.c (expand_builtin_int_roundingfn_2): Expand
1028 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
1029 (expand_builtin): Adjust likewise.
1030 * genopinit.c (optabs[]): Add lround optab.
1031 * optabs.c (init_optabs): Initialize lround_optab.
1032 * optabs.h (enum convert_optab_index): Add COI_lround.
1033 (lround_optab): Define.
1034 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1035 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1037 (ix86_expand_lround): New function.
1038 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1040 * doc/md.texi (lroundMN2): Document.
1042 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1045 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1046 argument to HOST_WIDE_INT. Update function prototype.
1047 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1048 "size" argument to HOST_WIDE_INT. Update function prototype.
1050 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1052 * config/i386/i386.c (output_387_ffreep): Create output from a
1053 template string for !HAVE_AS_IX86_FFREEP.
1055 2006-10-27 Eric Christopher <echristo@apple.com>
1057 * config/darwin.c: Fix formatting and grammar.
1059 2006-10-27 Jan Hubicka <jh@suse.cz>
1061 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1062 to be thrown away soon when IGNORE is set.
1063 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1064 indicating when return value shall not be computed.
1065 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1067 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1069 * config/i386/i386.h (TARGET_GEODE):
1070 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1071 (TARGET_CPU_DEFAULT_geode): New macro.
1072 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1073 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1074 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1075 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1076 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1078 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1079 (processor_type): Add PROCESSOR_GEODE.
1081 * config/i386/i386.md: Include geode.md.
1084 * config/i386/i386.c (geode_cost): New initialized global
1086 (m_GEODE, m_K6_GEODE): New macros.
1087 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1088 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1089 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1090 x86_schedule): Use m_K6_GEODE instead of m_K6.
1091 (x86_movx, x86_cmove): Set up m_GEODE.
1092 (x86_integer_DFmode_moves): Clear m_GEODE.
1093 (processor_target_table): Add entry for geode.
1094 (processor_alias_table): Ditto.
1096 * config/i386/geode.md: New file.
1098 * doc/invoke.texi: Add entry about geode processor.
1100 2006-10-27 Mike Stump <mrs@apple.com>
1102 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1103 __DYNAMIC__ from here back to ...
1104 * config/darwin.h (CPP_SPEC): ... here.
1106 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1107 Nathan Sidwell <nathan@codesourcery.com>
1109 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1110 when choosing the minimum heapsize.
1112 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1114 * gcc/unwind-dw2.h: Move cfa-related variables into
1115 struct frame_state_reg_info to ensure that the CFA is properly
1116 handled when executing DW_CFA_{remember,restore}_state.
1117 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1118 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1119 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1120 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1121 gcc/config/rs6000/linux-unwind.h,
1122 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1123 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1124 Modify to use new cfa_* fields.
1126 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1128 * config/s390/s390.c (s390_init_frame_layout): Check positive
1131 2006-10-26 Ben Elliston <bje@au.ibm.com>
1133 * gimplify.c (get_name): Remove extraneous break.
1134 (gimplify_omp_for): Initialise ret with GS_OK.
1136 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1138 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1139 Add unix98.o to link line.
1141 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1144 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1145 Calculate compile-time constants using MPFR.
1146 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1147 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1149 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1151 * config/xtensa/lib2funcs.S: Use C-style comments.
1153 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1155 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1156 (file_table_relative_p): Likewise.
1157 (dwarf2out_finish): Likewise.
1158 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1160 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1162 * tree-ssa-structalias.c (intra_create_variable_infos):
1163 Don't recreate nonlocal_all if it already exists.
1165 2006-10-25 Richard Guenther <rguenther@suse.de>
1168 * optabs.h (enum optab_index): Remove OTI_lrint.
1169 (enum convert_optab_index): Add COI_lrint.
1170 (lrint_optab): Adjust.
1171 (expand_sfix_optab): Declare.
1172 * optabs.c (expand_sfix_optab): New function.
1173 (init_optabs): Init lrint_optab as conversion optab.
1174 * genopinit.c (lrint_optab): Change to a conversion optab.
1175 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1176 expansion via conversion optab.
1177 * config/i386/i386.md (*fistdi2_1): Remove
1178 flag_unsafe_math_optimizations guard.
1179 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1180 fist<mode>2_with_temp): Likewise.
1181 (lrint<mode>2): Split into...
1182 (lrintxf<mode>2): ... x87 part
1183 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1184 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1185 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1186 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1187 * doc/md.texi (lrintMN2): Document.
1189 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1192 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1193 Use inc and dec instructions for TARGET_USE_INCDEC.
1194 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1195 ("sync_double_compare_and_swap<mode>"): Likewise.
1196 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1197 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1198 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1199 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1200 ("sync_old_add<mode>"): Likewise.
1201 ("sync_lock_test_and_set<mode>"): Likewise.
1202 ("sync_lock_test_and_set<mode>"): Likewise.
1203 ("sync_add<mode>"): Likewise.
1204 ("sync_sub<mode>"): Likewise.
1205 ("sync_ior<mode>"): Likewise.
1206 ("sync_and<mode>"): Likewise.
1207 ("sync_xor<mode>"): Likewise.
1209 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1211 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1212 (remainder_optab): Define corresponding macro.
1213 (drem_optab): Remove.
1214 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1215 drem_optab initialization.
1216 * genopinit.c (optabs): Implement remainder_optab using
1217 remainder?f3 patterns. Remove drem_optab.
1218 * builtins.c (expand_builtin_mathfn_2): Handle
1219 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1220 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1221 expand_builtin_mathfn_2.
1223 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1224 depend on flag_unsafe_math_optimizations.
1226 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1227 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1228 Do not depend on flag_unsafe_math_optimizations. Use
1229 truncxf?f expander instead of truncxf?f_i387_noop.
1231 ("fpremxf4", "fprem1xf4"): Do not depend on
1232 flag_unsafe_math_optimizations.
1233 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1234 flag_unsafe_math_optimizations. Use truncxf?f expander
1235 instead of truncxf?f_i387_noop.
1237 * doc/md.texi (fmod, remainder): Document standard named pattern.
1239 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1240 David Daney <ddaney@avtrex.com>
1243 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1245 2006-10-25 Ben Elliston <bje@au.ibm.com>
1247 * doc/extend.texi (Variable Attributes): Typo fix.
1249 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1251 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1252 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1253 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1254 (FRAME_POINTER_REGNUM): Update register number to 21.
1255 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1256 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1258 * config/i386/i386.c (regclass_map): Add fpcr entry.
1259 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1261 (print_reg): Assert REGNO (x) != FPCR_REG.
1263 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1264 (DIRFLAG_REG): Renumber.
1265 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1266 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1267 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1268 hardcoded SSE register numbers.
1270 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1271 hardcoded MMX register numbers.
1273 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1276 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1277 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1279 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1280 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1281 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1282 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1284 2006-10-24 Richard Guenther <rguenther@suse.de>
1287 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1288 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1289 for deciding optimizations in consistency with fold-const.c
1290 (fold_builtin_unordered_cmp): Likewise.
1292 2006-10-24 Richard Guenther <rguenther@suse.de>
1294 * builtins.c (fold_builtin_floor): Fold floor (x) where
1295 x is nonnegative to trunc (x).
1296 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1297 nonnegative to FIX_TRUNC_EXPR.
1299 2006-10-24 Richard Guenther <rguenther@suse.de>
1301 PR tree-optimization/29567
1302 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1303 for TRUTH_NOT_EXPR. Clarify comments.
1305 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1308 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1309 at compile-time using MPFR. Change parameter VALUE to FUNC,
1311 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1312 for overflow and underflow at all times and avoid folding in
1315 2006-10-24 Ben Elliston <bje@au.ibm.com>
1317 * reload1.c: Formatting fixes.
1319 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1321 PR tree-optimization/14784
1322 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1323 * tree-ssa-structalias.c (get_constraint_for,
1324 intra_create_variable_infos): Set is_heapvar.
1325 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1326 non-heapvar pointer variables specially.
1328 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1331 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1332 fold_builtin_tan): Fold all constant arguments. Take a "type"
1333 argument as necessary.
1334 (do_mpfr_arg1): New.
1335 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1337 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1339 * config/xtensa/lib1funcs.asm: Use C-style comments.
1341 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1343 * tree.c (local_define_builtin): Replace calls to
1344 lang_hooks.builtin_function with add_builtin_function.
1345 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1347 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1349 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1350 common code to add_builtin_function.
1351 * langhooks.c (add_builtin_function): New function.
1352 (lhd_builtin_function): New function.
1353 * langhooks.h (struct lang_hooks): Change the signature of
1355 (add_builtin_function): New function.
1356 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1357 calls to lang_hooks.builtin_function with add_builtin_function.
1358 * c-common.c (decl_builtin_1): Replace calls to
1359 lang_hooks.builtin_function with add_builtin_function.
1360 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1361 lang_hooks.builtin_function with add_builtin_function.
1362 * config/frv/frv.c (def_builtin): Replace calls to
1363 lang_hooks.builtin_function with add_builtin_function.
1364 * config/s390/s390.c (s390_init_builtins): Replace calls to
1365 lang_hooks.builtin_function with add_builtin_function.
1366 * config/sparc/sparc.c (def_builtin): Replace calls to
1367 lang_hooks.builtin_function with add_builtin_function.
1368 * config/i386/i386.c (def_builtin): Replace calls to
1369 lang_hooks.builtin_function with add_builtin_function.
1370 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1371 lang_hooks.builtin_function with add_builtin_function.
1372 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1373 lang_hooks.builtin_function with add_builtin_function.
1374 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1375 Replace calls to lang_hooks.builtin_function with
1376 add_builtin_function.
1377 * config/iq2000/iq2000.c (def_builtin):
1378 Replace calls to lang_hooks.builtin_function with
1379 add_builtin_function.
1380 * config/ia64/ia64.c (def_builtin): Replace calls to
1381 lang_hooks.builtin_function with add_builtin_function.
1382 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1383 lang_hooks.builtin_function with add_builtin_function.
1384 (altivec_init_builtins): Replace calls to
1385 lang_hooks.builtin_function with add_builtin_function.
1386 * config/arm/arm.c (def_mbuiltin): Replace calls to
1387 lang_hooks.builtin_function with add_builtin_function.
1388 (arm_init_tls_builtins): Replace calls to
1389 lang_hooks.builtin_function with add_builtin_function.
1390 * config/mips/mips.c (mips_init_builtins): Replace calls to
1391 lang_hooks.builtin_function with add_builtin_function.
1392 * config/bfin/bfin.c (def_builtin): Replace calls to
1393 lang_hooks.builtin_function with add_builtin_function.
1394 * langhooks-def.h (lhd_builtin_function): New function.
1395 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1397 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1399 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1400 BUILT_IN_STRNCAT_CHK.
1402 2006-10-23 Jan Hubicka <jh@suse.cz>
1404 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1405 don't do conversion from memmove to memcpy here.
1406 (expand_builtin_bcopy, expand_builtin): Update call of
1407 expand_builtin_memmove.
1408 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1410 2006-10-23 Paul Brook <paul@codesourcery.com>
1412 * stor-layout.c (start_record_layout): maximum_field_alignment
1413 overrides STRUCTURE_SIZE_BOUNDARY.
1415 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1417 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1418 nonlocal function symbols if flag_pic.
1420 2006-10-23 Richard Guenther <rguenther@suse.de>
1424 * builtins.c (fold_binary): Remove checks for flag_wrapv
1425 and flag_trapv where negate_expr_p covers these cases.
1427 2006-10-23 Richard Guenther <rguenther@suse.de>
1430 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1431 of two on the absolute value.
1432 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1433 and negating -C does not overflow.
1435 2006-10-23 Richard Guenther <rguenther@suse.de>
1438 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1439 only if not flag_rounding_math.
1441 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1442 Kaz Kojima <kkojima@gcc.gnu.org>
1445 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1446 SImode memory reference for the source of a movua.
1447 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1448 (movua): Use an unspec instead of sign_extract. Expect the source
1449 to have mode BLKmode.
1450 (extv, insv): Use a BLKmode rather than SImode memory reference
1451 for the source of a movua.
1453 2006-10-22 Jeff Law <law@redhat.com>
1454 Richard Guenther <rguenther@suse.de>
1456 PR tree-optimization/15911
1457 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1458 (register_edge_assert_for_1): Likewise.
1459 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1460 (find_conditional_asserts): Adjust for new function signature.
1461 (find_assert_locations): Likewise.
1463 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1465 * config/i386/tmmintrin.h: Remove the duplicated content.
1467 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1469 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1470 (x86_64-*-*): Likewise.
1472 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1473 (override_options): Check SSSE3.
1474 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1475 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1476 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1477 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1478 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1479 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1480 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1481 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1482 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1483 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1484 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1485 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1486 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1487 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1488 IX86_BUILTIN_PABSD128.
1489 (bdesc_2arg): Add SSSE3.
1490 (bdesc_1arg): Likewise.
1491 (ix86_init_mmx_sse_builtins): Support SSSE3.
1492 (ix86_expand_builtin): Likewise.
1493 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1495 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1496 (UNSPEC_PSIGN): Likewise.
1497 (UNSPEC_PALIGNR): Likewise.
1498 Include mmx.md before sse.md.
1500 * config/i386/i386.opt: Add -mssse3.
1502 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1503 (ssse3_phaddwv4hi3): Likewise.
1504 (ssse3_phadddv4si3): Likewise.
1505 (ssse3_phadddv2si3): Likewise.
1506 (ssse3_phaddswv8hi3): Likewise.
1507 (ssse3_phaddswv4hi3): Likewise.
1508 (ssse3_phsubwv8hi3): Likewise.
1509 (ssse3_phsubwv4hi3): Likewise.
1510 (ssse3_phsubdv4si3): Likewise.
1511 (ssse3_phsubdv2si3): Likewise.
1512 (ssse3_phsubswv8hi3): Likewise.
1513 (ssse3_phsubswv4hi3): Likewise.
1514 (ssse3_pmaddubswv8hi3): Likewise.
1515 (ssse3_pmaddubswv4hi3): Likewise.
1516 (ssse3_pmulhrswv8hi3): Likewise.
1517 (ssse3_pmulhrswv4hi3): Likewise.
1518 (ssse3_pshufbv16qi3): Likewise.
1519 (ssse3_pshufbv8qi3): Likewise.
1520 (ssse3_psign<mode>3): Likewise.
1521 (ssse3_psign<mode>3): Likewise.
1522 (ssse3_palignrti): Likewise.
1523 (ssse3_palignrdi): Likewise.
1524 (abs<mode>2): Likewise.
1525 (abs<mode>2): Likewise.
1527 * config/i386/tmmintrin.h: New file.
1529 * doc/extend.texi: Document SSSE3 built-in functions.
1531 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1533 2006-10-22 Ira Rosen <irar@il.ibm.com>
1535 * tree-vect-transform.c (vectorizable_load): Use the type of the
1536 return value of the mask_for_load builtin to create realign_load
1539 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1541 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1544 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1546 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1547 (UNSPEC_LDDQU): This.
1548 * config/i386/sse.md (sse3_lddqu): Updated.
1550 2006-10-21 Richard Guenther <rguenther@suse.de>
1552 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1553 (expand_builtin): Use it to expand lrint instead of
1554 expand_builtin_mathfn.
1556 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1559 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1560 flag_unsafe_math_optimizations is set.
1562 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1565 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1566 patterns to use memory input operand in x87->mem->XMM
1567 reload sequences. Skip transformation for TARGET_K8.
1569 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1571 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1572 force operand1 to register if both operands are memory operands.
1573 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1574 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1575 if both operands are memory operands.
1576 (truncdfsf2): Do not force operand1 to register if both operands
1577 are memory operands.
1579 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1581 * Makefile.in (LIBS): Add $(GMPLIBS).
1582 * doc/install.texi: Update GMP and MPFR requirements.
1583 * doc/sourcebuild.texi (need_gmp): Delete.
1585 2006-10-21 Richard Guenther <rguenther@suse.de>
1587 PR tree-optimization/3511
1588 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1589 got new invariant arguments during PHI translation.
1591 2006-10-21 Richard Guenther <rguenther@suse.de>
1594 * fold-const.c (fold_comparison): Fold signed comparisons
1595 of the form X +- C1 CMP Y +- C2.
1597 2006-10-21 Richard Guenther <rguenther@suse.de>
1600 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1601 if flag_unsafe_math_optimizations is specified. We have
1602 flag_finite_math_only for that.
1603 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1604 or flag_unsafe_math_optimizations.
1606 2006-10-21 Richard Guenther <rguenther@suse.de>
1608 * builtins.c (fold_builtin_classify): Fix typo.
1610 2006-10-21 Richard Guenther <rguenther@suse.de>
1613 * simplify-rtx.c (simplify_const_relational_operation):
1614 Do not constant-fold ORDERED and UNORDERED for
1615 flag_unsafe_math_optimizations but only we do not need to
1616 honor NaNs for the given mode.
1618 2006-10-21 Richard Guenther <rguenther@suse.de>
1621 * config/i386/i386.c (classify_argument): Remove redundant
1622 walking of the BINFOs.
1623 (contains_128bit_aligned_vector_p): Likewise.
1625 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1627 * BASE-VER: Set to 4.3.0.
1629 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1631 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1632 (tree_decl_with_vis): Remove artificial_pta_var flag.
1633 * tree-flow.h (referenced_var_check_and_insert): Expose.
1634 (nonlocal_all): New prototype.
1635 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1636 (nonlocal_all): Make global.
1637 (nonlocal_lookup): Remove.
1638 (nonlocal_insert): Ditto.
1639 (create_nonlocal_var): Do not call nonlocal_insert.
1640 (get_nonlocal_id_for_type): Remove.
1641 (find_global_initializers): Mark new vars we find for renaming.
1642 (intra_create_variable_infos): Only create one nonlocal.
1643 (expand_nonlocal_solutions): Remove.
1644 (compute_points_to_sets): Don't call it.
1645 (ipa_pta_execute): Ditto.
1646 (init_alias_heapvars): Don't create nonlocal_for_type.
1647 (delete_alias_heapvars): Don't remove it.
1648 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1651 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1653 * doc/install.texi (Downloading GCC): Clarify mention of
1654 Fortran in the "full distribution" description.
1656 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1658 Fix PR tree-optimization/28778
1659 Fix PR tree-optimization/29156
1660 Fix PR tree-optimization/29415
1661 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1662 (tree_decl_with_vis): Add artificial_pta_var flag.
1663 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1664 pushed into callers.
1665 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1666 (nonlocal_all): Ditto.
1667 (struct variable_info): Add directly_dereferenced member.
1668 (var_escaped_vars): New variable.
1669 (escaped_vars_tree): Ditto.
1670 (escaped_vars_id): Ditto.
1671 (nonlocal_vars_id): Ditto.
1672 (new_var_info): Set directly_dereferenced.
1673 (graph_size): New variable
1674 (build_constraint_graph): Use graph_size.
1675 (solve_graph): Don't process constraints that cannot change the
1676 solution, don't try to propagate an empty solution to our
1678 (process_constraint): Set directly_dereferenced.
1679 (could_have_pointers): New function.
1680 (get_constraint_for_component_ref): Don't process STRING_CST.
1681 (nonlocal_lookup): New function.
1682 (nonlocal_insert): Ditto.
1683 (create_nonlocal_var): Ditto.
1684 (get_nonlocal_id_for_type): Ditto.
1685 (get_constraint_for): Allow results vector to be empty in the case
1686 of string constants.
1687 Handle results of calls properly.
1688 (update_alias_info): Update alias info stats on number and type of
1690 (find_func_aliases): Use could_have_pointers.
1691 (make_constraint_from_escaped): Renamed from
1692 make_constraint_to_anything, and changed to make constraints from
1694 (make_constraint_to_escaped): New function.
1695 (find_global_initializers): Ditto.
1696 (create_variable_info_for): Make constraint from escaped to any
1697 global variable, and from any global variable to the set of
1699 (intra_create_variable_infos): Deal with escaped instead of
1700 pointing to anything.
1701 (set_uids_in_ptset): Do type pruning on directly dereferenced
1703 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1704 (init_base_vars): Fix comment, and initialize escaped_vars.
1705 (need_to_solve): Removed.
1706 (find_escape_constraints): New function.
1707 (expand_nonlocal_solutions): Ditto.
1708 (compute_points_to_sets): Call find_escape_constraints and
1709 expand_nonlocal_solutions.
1710 (delete_points_to_sets): Don't fall off the end of the graph.
1711 (init_alias_heapvars): Initialize nonlocal_for_type and
1713 (delete_alias_heapvars): Free nonlocal_for_type and null out
1716 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1718 * fold-const.c (add_double): Rename to add_double_with_sign.
1719 Add 'unsigned_p' parameter and take it into account for the overflow.
1720 (mul_double): Rename to mul_double_with_sign.
1721 Add 'unsigned_p' parameter and take it into account for the overflow.
1722 (fold_div_compare): Call add_double_with_sign instead of add_double
1723 and mul_double_with_sign instead of mul_double, passing them the
1724 unsignedness of the type.
1725 * tree.h (add_double): Macroize.
1726 (add_double_with_sign): New prototype.
1727 (mul_double): Macroize.
1728 (mul_double_with_sign): New prototype.
1730 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1732 * config/score/crti.asm: New file.
1733 * config/score/crtn.asm: New file.
1734 * config/score/elf.h: New file.
1735 * config/score/mac.md: New file.
1736 * config/score/misc.md: New file.
1737 * config/score/mul-div.S: New file.
1738 * config/score/predicates.md: New file.
1739 * config/score/score7.md: New file.
1740 * config/score/score.c: New file.
1741 * config/score/score-conv.h: New file.
1742 * config/score/score.h: New file.
1743 * config/score/score.md: New file.
1744 * config/score/score-mdaux.c: New file.
1745 * config/score/score-mdaux.h: New file.
1746 * config/score/score-modes.def: New file.
1747 * config/score/score.opt: New file.
1748 * config/score/score-protos.h: New file.
1749 * config/score/score-version.h: New file.
1750 * config/score/t-score-elf: New file.
1751 * config.gcc: Add score*-*-* configurations(Update before).
1752 * doc/invoke.texi (Score Options): New section.
1753 * doc/md.texi (Score family): New section to document constraints.
1755 2006-10-19 Nick Clifton <nickc@redhat.com>
1757 * config/arm/arm.c: Fix spelling typo.
1759 2006-10-18 Tom Tromey <tromey@redhat.com>
1761 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1763 2006-10-18 Jan Hubicka <jh@suse.cz>
1766 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1769 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1771 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1772 TSI_SAME_STMT, since that's the desired entity.
1774 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1776 * config/s390/contraints.md: New file.
1777 * config/s390/s390-protos.h (s390_mem_constraint,
1778 s390_O_constraint_str, s390_N_constraint_str,
1779 s390_float_const_zero_p): Function prototypes added.
1780 * config/s390/s390.c (s390_extra_constraint_str,
1781 s390_const_double_ok_for_constraint_p,
1782 s390_const_ok_for_constraint_p): Functions removed.
1783 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1784 s390_float_const_zero_p): New functions.
1785 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1786 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1787 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1788 Macro definitions removed.
1789 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1790 s390_extra_constraint_str): Functions removed.
1792 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1793 Richard Sandiford <richard@codesourcery.com>
1796 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1797 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1799 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1801 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1802 (DWARF2_FRAME_REG_OUT): Likewise.
1803 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1804 (DWARF2_FRAME_REG_OUT): Likewise.
1806 2006-10-17 Paul Brook <paul@codesourcery.com>
1808 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1810 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1812 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1813 Standardize on "GNU Fortran" as the official name of the Fortran
1816 2006-10-16 Mike Stump <mrs@apple.com>
1818 * doc/invoke.texi (Darwin Options): Document -mkernel.
1819 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1821 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1822 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1823 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1824 (OS_MISSING_ALTIVEC): Add.
1825 * config/i386/i386.c (override_options): Add
1826 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1827 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1828 -mkernel, -static or -mdynamic-no-pic is given.
1829 (C_COMMON_OVERRIDE_OPTIONS): Add.
1830 * config/darwin.opt (fapple-kext): Add.
1832 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1833 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1835 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1836 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1837 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1838 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1839 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1840 (flag_mkernel): Add.
1841 (flag_apple_kext): Add.
1842 (TARGET_KEXTABI): Add.
1843 * config/darwin.c (darwin_handle_kext_attribute): Add.
1844 (DARWIN_VTABLE_P): Add.
1845 (darwin_binds_local_p): Add partial support for rebinding vtables
1847 (darwin_kextabi_p): Add.
1848 (darwin_override_options): Add.
1849 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1850 (darwin_kextabi_p): Add.
1851 (darwin_override_options): Add.
1852 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1853 __DYNAMIC__ and __STATIC__ here.
1855 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1857 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1858 Added mention of "make pdf" target, and Texinfo requirements for
1861 2006-10-16 DJ Delorie <dj@redhat.com>
1863 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1864 into the GOT in case we need a subreg of the address.
1866 2006-10-16 Richard Guenther <rguenther@suse.de>
1869 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1870 SSE builtin documentation. Document SSE2 builtins.
1872 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1874 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1875 symbol in the output file for non-shared links when -nostdlib or
1876 -nodefaultlibs isn't specified.
1878 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1879 posix thread support.
1881 2006-10-15 Jan Hubicka <jh@suse.cz>
1884 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1885 declared always_inline even when not inlining.
1887 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1888 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1889 Andrew Pinski <pinskia@gmail.com>
1892 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1894 2006-10-15 Jan Hubicka <jh@suse.cz>
1895 Richard Guenther <rguenther@suse.de>
1898 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1899 process_function_and_variable_attributes on all variables, including
1900 those discovered during cgraph construction phase.
1902 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1904 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1906 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1908 * config/i386/athlon.md (athlon_fist): Add fisttp.
1910 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1911 Ian Lance Taylor <ian@airs.com>
1914 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1915 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1918 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1920 * config/score/score.c, config/score/score.h: Fix comment
1923 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1926 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1929 2006-10-13 Eric Christopher <echristo@apple.com>
1931 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1933 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1936 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1937 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1938 alignment supported by 32-bit ELF.
1940 2006-10-13 Eric Christopher <echristo@apple.com>
1942 * config/darwin.c (darwin_emit_unwind_label): Strip
1943 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1945 2006-10-13 Richard Guenther <rguenther@suse.de>
1947 PR tree-optimization/29446
1948 * tree-vrp.c (fix_equivalence_set): Remove.
1949 (extract_range_from_assert): Do not call fix_equivalence_set.
1950 (debug_value_range): Print a newline.
1951 (compare_name_with_value): For equivalence sets with
1952 inconsistent value ranges conservatively bail out.
1953 (compare_names): Likewise.
1955 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1957 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1958 and MPFR for gfortran.
1960 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1962 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1963 alignment supported by 32-bit ELF.
1965 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1969 * c-typeck.c (digest_init): Always allow initializing vectors
1970 that have static storage duration with compound literals.
1971 * tree.c (build_type_attribute_qual_variant): New, based on
1972 build_type_attribute_variant.
1973 (build_type_attribute_variant): Rewrite using the former.
1974 (make_vector_type): Use build_type_attribute_qual_variant to build
1975 type variants. Use type_hash_canon on the others.
1977 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1978 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1980 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1982 2006-10-12 Jan Hubicka <jh@suse.cz>
1985 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1986 current_function_decl is set but current_function_scope is not.
1988 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1990 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1991 emit_insn to emit eh_return_internal instruction.
1992 (eh_return_internal): Explicitly set pc.
1994 2006-10-11 Richard Guenther <rguenther@suse.de>
1996 PR tree-optimization/28230
1997 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1998 to the correct place.
2000 2006-10-11 Richard Guenther <rguenther@suse.de>
2003 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
2006 2006-10-10 Brooks Moses <bmoses@stanford.edu>
2008 * configure.ac: Added pdf to "Make-hooks"
2009 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
2010 targets and *.pdf file patterns in cleanup targets.
2011 * configure: Regenerated.
2013 2006-10-10 Anatoly Sokolov <aesok@post.ru>
2015 * config/avr/predicates.md: New file.
2016 * config/avr/avr.md: Include it.
2017 (REG_SP): New constant.
2018 (peepholes): Use predicates.
2019 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
2020 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
2021 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
2023 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
2025 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
2028 2006-10-10 Jakub Jelinek <jakub@redhat.com>
2031 * builtins.c (var_decl_component_p): New function.
2032 (fold_builtin_memset, fold_builtin_memory_op): Restrict
2033 single entry optimization to variables and components thereof.
2035 2006-10-10 Richard Guenther <rguenther@suse.de>
2037 PR rtl-optimization/29323
2038 * except.c (set_nothrow_function_flags): For functions
2039 that do not bind local bail out early.
2041 2006-10-10 Ben Elliston <bje@au.ibm.com>
2043 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2046 2006-10-09 Richard Henderson <rth@redhat.com>
2048 Revert emutls patch.
2050 2006-10-09 Richard Guenther <rguenther@suse.de>
2053 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2056 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2059 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2060 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2061 * configure: Regenerate.
2062 * config.in: Regenerate.
2064 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2066 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2068 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2070 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2071 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2072 Remove stray newline.
2074 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2076 * config/mips/mips.c (mips_classify_symbol): Do not return
2077 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2078 (mips_in_small_data_p): Tweak comments.
2080 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2082 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2084 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2086 * gimplify.c, sched-int.h: Fix comment typos.
2088 * sched-int.h: Fix comment typos.
2090 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2092 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2094 * sched-ebb.c (begin_schedule_ready): Use them.
2095 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2096 add_to_speculative_block, create_check_block_twin, speculate_insn,
2097 fix_jump_move, move_block_after_check): Ditto.
2098 * sched-rgn.c (new_ready): Ditto.
2100 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2102 PR rtl-optimization/29128
2103 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2104 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2105 allow interblock movement of speculation checks.
2107 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2110 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2111 casted to integer type.
2112 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2113 if they are significantly more expensive than [reg + index] ones.
2115 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2117 PR tree-optimization/29330
2118 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2119 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2120 on newly allocated ddrs.
2121 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2122 to VEC (loop_p, heap) pointer.
2123 (compute_data_dependences_for_loop): Adjust caller.
2124 (free_dependence_relations): Free DDR_LOOP_NEST.
2126 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2127 free DEPENDENCE_RELATIONS and DATAREFS.
2130 * builtins.c (expand_builtin_sync_operation,
2131 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2132 Use convert_to_mode to handle promoted arguments.
2134 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2136 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2138 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2140 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2142 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2144 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2145 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2146 Use <modeconstraint> instead of "r" as operand 1 constraint.
2148 2006-10-06 Olivier Hainque <hainque@adacore.com>
2150 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2151 Don't recurse on the pointed-to type.
2152 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2153 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2154 types with components of variable size.
2156 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2158 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2160 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2162 PR tree-optimization/29290
2163 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2167 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2168 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2171 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2172 the number of vector elements fill the rest with zeros.
2174 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2176 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2177 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2180 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2182 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2183 unnamed pattern into subsi3. Use correct constraints/predicates.
2184 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2185 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2187 2006-10-05 Ira Rosen <irar@il.ibm.com>
2189 * doc/loop.texi: Add data references analysis description.
2191 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2193 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2195 2006-10-04 Richard Henderson <rth@redhat.com>
2196 Jakub Jelinek <jakub@redhat.com>
2198 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2199 * builtin-types.def (BT_WORD): Make unsigned.
2200 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2201 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2202 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2203 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2204 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2205 * cgraph.c (decide_is_variable_needed): Look at force_output.
2206 Recurse for emulated tls.
2207 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2208 checks redundant with decide_is_variable_needed.
2209 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2210 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2212 * expr.c (emutls_var_address): New.
2213 (expand_expr_real_1): Expand emulated tls.
2214 (expand_expr_addr_expr_1): Likewise.
2215 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2216 * output.h (emutls_finish): Declare.
2217 * toplev.c (compile_file): Call it.
2218 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2219 address before wrapping in CONST.
2220 * varasm.c (emutls_htab, emutls_object_type): New.
2221 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2222 (get_emutls_object_name, get_emutls_object_type): New.
2223 (get_emutls_init_templ_addr, emutls_decl): New.
2224 (emutls_common_1, emutls_finish): New.
2225 (assemble_variable): When emulating tls, swap decls; generate
2226 constructor for the emutls objects.
2227 (do_assemble_alias): When emulating tls, swap decl and target name.
2228 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2230 * emutls.c: New file.
2231 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2232 tls_object for real tls.
2234 2006-10-04 Zack Weinberg <zackw@panix.com>
2236 Fix bug in constraint-check generator, reported by Rask Ingemann
2238 * genpreds.c (add_constraint): Don't remove anything from the
2240 (write_tm_constrs_h): Detect whether "op" argument is used, and
2241 mark it ARG_UNUSED if it isn't.
2242 (write_insn_const_int_ok_for_constraint): Skip the part of the
2243 expression that would test whether "op" (which is not available
2244 here) is a CONST_INT.
2246 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2249 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2251 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2253 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2254 current Leopard versions.
2255 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2257 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2259 * doc/install.texi: Fix typos.
2261 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2263 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2264 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2265 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2267 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2269 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2270 arg to be struct mach_header_64* instead.
2272 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2275 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2276 side effects after the outer expression's post side effects.
2278 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2280 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2281 comments to reflect actual behavior and relationship between
2282 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2284 * doc/c-tree.texi (Working with declarations): Fix documentation
2285 of FIELD_DECL likewise.
2287 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2290 * doc/extend.texi: Add used variable attribute description.
2292 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2295 * c.opt (Woverride-init): New.
2296 * c-opts.c (c_common_post_options): Default warn_override_init to
2298 * c-typeck.c (add_pending_init, output_init_element): Warn for
2299 overriding initializers without side effects.
2300 * doc/invoke.texi (-Woverride-init): Document.
2303 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2305 PR rtl-optimization/28096
2306 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2307 assignment has already been used as a destination earlier in the block.
2309 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2311 * builtins.c (expand_builtin_setjmp): Delete.
2312 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2313 <BUILT_IN_SETJMP_SETUP>: New case.
2314 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2315 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2316 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2317 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2318 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2319 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2320 (lower_function_body): Initialize it to false. If it is set to true
2321 at the end of the processing, emit the setjmp dispatcher.
2322 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2323 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2324 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2325 on the rhs of the assignment.
2326 (lower_builtin_setjmp): New function.
2327 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2328 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2329 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2330 to detect calls that can go to non-local labels. Use specific
2331 helper to create the abnormal edges associated with them.
2332 <MODIFY_EXPR>: Likewise.
2333 (make_abnormal_goto_edges): New function extracted from...
2334 (make_goto_expr_edges): ...here. Call it for computed gotos.
2335 (simple_goto_p): Minor tweak.
2336 (tree_can_make_abnormal_goto): New predicate.
2337 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2338 (tree_purge_dead_abnormal_call_edges): New function.
2339 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2340 (tree_purge_dead_abnormal_call_edges): Likewise.
2341 (make_abnormal_goto_edges): Likewise.
2342 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2343 Purge all dead abnormal edges if the call was in the last statement.
2344 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2345 (execute_fixup_cfg): If there are non-local labels in the function,
2346 scan the basic blocks and split them at calls that can go to non-local
2347 labels or add missing abnormal call edges. Write down the CFG in the
2349 (pass_fixup_cfg): Remove TODO_dump_func flag.
2350 * unwind-sjlj.c: Poison setjmp.
2351 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2352 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2353 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2354 (DONT_USE_BUILTIN_SETJMP): Document it.
2356 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2359 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2360 to 1 when __ppc64__ is defined.
2361 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2363 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2365 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2367 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2368 * config/ia64/unwind-hpux.c: Delete.
2370 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2372 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2373 on the element before gimplifying it, instead of punting if it is of
2376 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2378 * doc/loop.texi: New file.
2379 * doc/gccint.texi: Reference loop.texi.
2380 * Makefile.in (loop.texi): Add.
2382 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2384 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2386 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2387 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2389 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2391 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2393 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2395 * doc/install.texi: Document required versions of GMP and MPFR.
2397 2006-09-27 Paul Brook <paul@codesourcery.com>
2400 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2402 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2404 * reload1.c (alter_reg): Require the alignment of the stack slot to
2405 be at least reg_max_ref_width bytes.
2406 (scan_paradoxical_subregs): Record the largest width in
2409 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2413 * tree-nested.c (struct nesting_info): Added static_chain_added.
2414 (convert_call_expr): Set static_chain_added when adding static
2415 chain. Handle OMP_PARALLEL and OMP_SECTION.
2417 2006-09-25 Matthias Klose <doko@debian.org>
2419 * doc/invoke.texi: Add missing full stop.
2421 2006-09-25 Richard Henderson <rth@redhat.com>
2423 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2424 before cgraph_function_flags_ready.
2426 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2427 Adam Nemet <anemet@caviumnetworks.com>
2429 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2430 determine_common_wider_type): New functions.
2431 (get_computation_aff): Use them to simplify arithmetic between
2432 UBASE and CBASE if they are shortened from the same type.
2434 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2437 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2438 -2147483647 - 1 instead of 0x80000000.
2440 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2442 * flags.h (HONOR_NANS): Fix typo in comment.
2444 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2446 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2448 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2452 * tree.c (merge_attributes, attribute_list_contained): If both
2453 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2455 * c-typeck.c (comptypes_internal): Don't consider aggregates
2456 in different TUs as compatible if there one set of attributes is
2457 not a subset of the other type's attributes.
2458 (composite_type): Try harder not to create a new aggregate type.
2460 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2462 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2463 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2464 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2465 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2466 than replicating condition above.
2467 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2469 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2470 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2471 the linker by default.
2473 2006-09-22 Mike Stump <mrs@apple.com>
2475 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2478 2006-09-22 Richard Guenther <rguenther@suse.de>
2481 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2482 sort of stack variables stable.
2484 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2487 * explow.c (force_reg): Set REG_POINTER flag according to
2490 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2492 PR tree-optimization/28888
2493 * tree-if-conv.c (combine_blocks): Rewritten.
2494 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2495 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2497 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2499 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2502 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2504 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2506 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2508 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2510 2006-09-21 Roger Sayle <roger@eyesopen.com>
2513 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2514 dw_fde_current_label, to be the start of the function, i.e. the same
2515 value as dw_fde_begin.
2517 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2519 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2520 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2521 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2522 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2523 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2524 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2525 (abs<mode>2, neg<mode>2): Likewise.
2526 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2527 (*mips_abs_ps): New define_insn.
2529 2006-09-20 Josh Conner <jconner@apple.com>
2532 * calls.c (expand_call): Allow reuse of structure return stack
2535 2006-09-20 Paul Brook <paul@codesourcery.com>
2537 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2540 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2542 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2543 clean up terminology.
2545 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2548 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2549 with tablejumps in them.
2551 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2554 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2555 wrap it into TARGET_EXPR.
2557 2006-09-20 Eric Christopher <echristo@apple.com>
2559 * config/i386/i386.c (x86_fisttp): Remove.
2560 * config/i386/i386.h (x86_fisttp): Ditto.
2561 (TARGET_FISTTP): Ditto.
2563 2006-09-19 Eric Christopher <echristo@apple.com>
2565 * doc/tm.texi (OBJC_JBLEN): Describe.
2566 * config/i386/darwin.h (OBJC_JBLEN): Define.
2567 * config/rs6000/darwin.h: Ditto.
2569 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2571 PR rtl-optimization/21299
2572 * reload1.c (reload): Purge invalid ASMs in the final pass.
2574 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2577 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2578 pointers as legitimate constants.
2580 2006-09-19 Paul Brook <paul@codesourcery.com>
2583 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2585 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2587 PR tree-optimization/28887
2588 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2589 component parts from the reference.
2590 (gather_memory_references_ref): Record the reference without the
2591 nonaddressable component parts.
2593 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2596 * c-opts.c (c_common_handle_option): Ignore the -std options
2597 if the input language is assembly.
2599 2006-09-17 Ira Rosen <irar@il.ibm.com>
2602 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2604 (ptr_ptr_may_alias_p): Likewise.
2605 (record_record_differ_p): New function.
2606 (base_object_differ_p): Call record_record_differ_p.
2608 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2611 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2612 away for the expr argument.
2614 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2617 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2618 before using it for dumping after vectorizing loops.
2620 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2621 Jack Howarth <howarth@bromo.med.uc.edu>
2624 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2625 skip on error_mark_node.
2626 (rs6000_darwin64_record_arg_recurse): Likewise.
2628 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2630 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2631 * doc/rtl.texi: Remove related documentation.
2633 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2635 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2638 2006-09-15 Jim Wilson <wilson@specifix.com>
2640 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2641 Handle symbol offsets same as they are handled in ia64_expand_move
2644 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2646 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2647 Add forgotten parameter to the fprintf call.
2649 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2651 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2653 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2655 * doc/contrib.texi: Add my entry.
2657 2006-09-15 Nick Clifton <nickc@redhat.com>
2659 * doc/md.texi (Processor pipeline description): Fix typo in
2660 example of how to use the absence_set directive and reword the
2661 description to make it slightly easier to read.
2663 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2665 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2666 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2667 expanding the number of iterations.
2668 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2670 * cfgrtl.c (emit_insn_at_entry): New function.
2671 * rtl.h (emit_insn_at_entry): Declare it.
2672 * integrate.c (emit_initial_value_sets): Use it.
2674 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2676 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2678 (struct loop_work and related VEC declarations): Delete.
2679 (bfin_dump_loops): Print out new member bad.
2680 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2681 (bfin_scan_loop): Don't recurse.
2682 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2683 loops. No longer need to update outer loops if the current one is
2684 found bad. Move some validitiy checks to bfin_discover_loop.
2685 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2686 but changed not to check for nesting. Also changed to use the new bad
2688 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2689 time. Use bitmap based test to discover loop nesting.
2691 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2693 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2696 2006-09-14 Richard Guenther <rguenther@suse.de>
2697 Kazu Hirata <kazu@codesourcery.com>
2699 PR middle-end/28884.
2700 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2701 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2702 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2703 with TARGET_FUNCTION_VALUE.
2705 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2708 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2710 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2712 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2715 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2718 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2721 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2723 * basic_block.h (bb_has_eh_pred): Fix comment.
2725 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2727 * flow.c (calculate_global_regs_live): Invalidate eh registers
2728 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2729 (propagate_block): Handle eh registers as if they were set at basic
2731 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2733 * global.c (global_conflicts): Make eh registers to conflict with
2734 pseudos live at basic block begin.
2735 * basic_block.h (bb_has_eh_pred): New function.
2737 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2739 PR rtl-optimization/28982
2740 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2741 index of a PRE_MODIFY or POST_MODIFY address.
2742 * reload1.c (inc_for_reload): Use find_replacement on the original
2743 base and index registers.
2745 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2747 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2748 for -Os. Update __m128 alignment requirement.
2750 2006-09-13 Jan Hubicka <jh@suse.cz>
2752 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2754 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2756 PR rtl-optimization/28243
2757 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2758 the insn to which the note was originally attached.
2760 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2761 Roger Sayle <roger@eyesopen.com>
2763 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2764 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2765 on platforms that don't use dwarf for debug info.
2767 2006-09-12 Jason Merrill <jason@redhat.com>
2770 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2771 hard_frame_pointer_rtx after using it to update the frame pointer.
2773 2006-09-12 Roger Sayle <roger@eyesopen.com>
2775 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2776 (TARGET_ASM_CLOSE_PAREN): Likewise.
2777 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2778 (TARGET_ASM_CLOSE_PAREN): Likewise.
2780 2006-09-12 Roger Sayle <roger@eyesopen.com>
2783 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2784 frame information for frames larger than 512 Kbytes on Tru64 when
2785 using the native assembler.
2787 2006-09-12 Roger Sayle <roger@eyesopen.com>
2791 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2792 and symbols. Instead use the implementation from cse.c's hash_rtx.
2794 2006-09-12 Jan Hubicka <jh@suse.cz>
2796 PR rtl-optimization/28071
2797 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2798 (vect_transform_loop): Likewise.
2799 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2800 (new_loop_vec_info): Likewise.
2801 (destroy_loop_vec_info): Likewise.
2802 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2803 (create_stmt_ann): Likewise.
2804 (create_tree_ann): Rename to ...
2805 (create_tree_common_ann): ... this one; allocate only the common part
2807 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2808 (get_value_handle): Likewise.
2809 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2810 get_tree_common_ann.
2811 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2812 (vinfo_for_stmt): Use stmt annotations.
2813 * tree-flow.h (tree_ann_common_t): New type.
2814 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2815 (tree_ann, get_tree_ann, create_tree_ann): New.
2816 * tree-flow-inline.h (get_function_ann): Do more type checking.
2817 (stmt_ann): Likewise.
2818 (tree_ann): Rename to ...
2819 (tree_common_ann): ... this one; return ony common_ann
2820 (get_tree_ann): Rename to ...
2821 (tree_common_ann): This one; return only common_ann.
2822 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2825 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2827 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2828 with_cpu by default.
2830 * dwarf2out.c (dwarf_file_data): New.
2831 (enum dw_val_class): Add dw_val_class_file.
2832 (struct dw_val_struct): Add val_file.
2833 (file_table): Change to a hash table.
2834 (file_table_emitted): Delete.
2835 (file_table_last_lookup_index): Delete.
2836 (emitcount): Delete.
2837 (last_emitted_file): New.
2838 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2839 (init_file_table): Delete.
2840 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2841 (AT_addr): Add comment.
2845 (print_die): Handle dw_val_class_file.
2846 (print_dwarf_line_table): Update for new file table structure.
2847 (attr_checksum): Do checksum a filename.
2848 (same_dw_val_p, same_attr_p): Do compare a filename.
2849 (size_of_die): Handle dw_val_class_file.
2850 (value_format): Likewise.
2851 (output_die): Likewise. Also, call maybe_emit_file here.
2852 (struct file_info): Constify filenames. Make file_idx a pointer
2853 to a struct dwarf_file_data.
2854 (struct dir_info): Constify directory names. Remove 'used' field.
2855 (struct file_name_acquire_data): New.
2856 (file_name_acquire): New.
2857 (output_file_names): Modify to handle new file data structures.
2858 (add_src_coords_attributes): Use add_AT_file.
2859 (add_call_src_coords_attributes): Likewise.
2860 (dwarf2out_imported_module_or_decl): Likewise.
2861 (gen_subprogram_die): Modify for new file data structures.
2862 (gen_variable_die): Likewise.
2863 (file_table_eq): New.
2864 (file_table_hash): New.
2865 (file_table_last_lookup): New.
2866 (lookup_filename): Rewrite to handle new file data structures.
2867 (maybe_emit_file): Rewrite to handle new file data structures.
2868 (dwarf2out_source_line): Always call lookup_filename and
2870 (dwarf2out_init): Create file_table here.
2871 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2872 (file_table_relative_p): New.
2873 (dwarf2out_finish): Change detection of relative filenames
2874 to work with new file data structures. Move output_line_info call
2875 after debug_info output.
2877 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2882 * config/i386/i386.c (override_options): Always default to 16
2883 byte stack boundary.
2885 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2888 * var-tracking.c (dump_dataflow_set): Start dumping at
2890 (clobber_variable_part): Kill only the variable part in
2891 registers holding it, leaving other variables alone.
2893 2006-09-11 Josh Triplett <josh@freedesktop.org>
2895 * doc/extend.texi (Other Builtins): Actually use the macro
2896 argument in the documentation example for
2897 __builtin_types_compatible_p.
2899 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2901 PR rtl-optimization/28726
2902 * sched-deps.c (sched_analyze_reg): New function extracted from...
2903 (sched_analyze_1): ...here. Call it to analyze references to
2904 registers. Treat again writes to a stack register as writing to the
2906 (sched_analyze_2): ...and here. Call it to analyze references to
2907 registers. Treat again reads of a stack register as reading the
2910 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2911 David Edelsohn <edelsohn@gnu.org>
2914 * config/rs6000/spe.md (frob_df_di): Remove %H.
2915 (frob_di_df): Remove %H. Change evmergelo to mr.
2916 (frob_di_df_2): Remove %H. Change evldd to two loads.
2918 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2920 * doc/cpp.texi: Fix names of charset options.
2922 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2925 * config/i386/i386.c (override_options): Use 128-bit
2926 stack boundary always for 64bits.
2928 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2930 PR rtl-optimization/28636
2931 * combine.c (force_to_mode): Test for side-effects before
2932 substituting by zero.
2933 (simplify_shift_const): Likewise for zero or other constants.
2935 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2938 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2941 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2944 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2945 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2946 returned by mode_for_size, rather than the mode of src itself,
2947 to choose between 32-bit and 64-bit patterns.
2948 (mips_mem_fits_mode_p): New function.
2949 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2950 that the size of the source matches the size of the destination.
2951 (mov_<store>l, mov_<store>r): Likewise.
2953 2006-09-10 Eric Christopher <echristo@apple.com>
2955 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2958 2006-09-09 Eric Christopher <echristo@apple.com>
2961 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2964 2006-09-09 Roger Sayle <roger@eyesopen.com>
2965 Nicolas Setton <setton@adacore.com>
2967 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2969 2006-09-10 Andreas Schwab <schwab@suse.de>
2971 * config/m68k/m68k.md (bungt_rev): New pattern.
2973 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2974 Dale Johannesen <dalej@apple.com>
2977 * regclass.c (struct reg_pref): Update documentation.
2978 (regclass): Set prefclass to NO_REGS if memory is the best option.
2979 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2981 2006-09-08 Eric Christopher <echristo@apple.com>
2983 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2984 * config/t-slibgcc-darwin: Support x86_64 multilib.
2985 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2986 Return 1 for x86_64-darwin.
2987 * config/i386/t-darwin: Add m64 multilib.
2988 (LIB2_SIDITI_CONV_FUNCS): Use.
2989 (LIB2FUNCS_EXTRA): Ditto.
2990 * config/i386/darwin.h: Support x86_64.
2991 * config/i386/i386.c (override_options): Turn on flag_pic
2992 for x86_64-darwin. Disable flag_omit_pointer.
2993 (get_pc_thunk_name): Assert !TARGET_64BIT.
2994 (legitimate_address_p): Disable machopic addressing for
2996 (legitimize_pic_address): Ditto.
2997 (ix86_expand_move): Ditto.
2998 (ix86_expand_call): Ditto.
2999 (machopic_output_stub): Ditto.
3000 * config/darwin.c (machopic_select_section): Support literal16.
3001 (machopic_select_rtx_section): Ditto.
3002 * config/darwin-sections.def: Ditto.
3003 * config/darwin-64.c: New.
3005 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
3008 * c-tree.h (struct c_arg_info): Add pending_sizes.
3009 * c-parser.c (c_parser_parms_declarator,
3010 c_parser_parms_list_declarator): Initialize pending_sizes.
3011 * c-decl.c (get_parm_info): Initialize pending_sizes.
3012 (get_parm_info): Set pending_sizes.
3013 (grokdeclarator): Call put_pending_sizes for parameters for
3014 function definition only.
3016 2006-09-07 Jason Merrill <jason@redhat.com>
3019 * varasm.c (output_constant): Only strip actual no-op conversions.
3022 * config/i386/i386.c (override_options): Use 128-bit
3023 stack boundary if -msse.
3025 2006-09-07 Eric Christopher <echristo@apple.com>
3027 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
3029 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
3032 2006-09-07 Geoffrey Keating <geoffk@apple.com>
3034 * dwarf2out.c: Remove strange characters from comment above
3035 dwarf2out_frame_debug_expr.
3037 2006-09-07 Eric Christopher <echristo@apple.com>
3039 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3040 * config/darwin.h: ... to here.
3042 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3044 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3046 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3047 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3049 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3050 TARGET_PARTIAL_FLAG_REG_STALL.
3051 (*ashldi3_cconly_rex64): Likewise.
3052 (*ashlsi3_cmp): Likewise.
3053 (*ashlsi3_cconly): Likewise.
3054 (*ashlsi3_cmp_zext): Likewise.
3055 (*ashlhi3_cmp): Likewise.
3056 (*ashlhi3_cconly): Likewise.
3057 (*ashlqi3_cmp): Likewise.
3058 (*ashlqi3_cconly): Likewise.
3059 (*ashrdi3_cmp_rex64): Likewise.
3060 (*ashrdi3_cconly_rex64): Likewise.
3061 (*ashrsi3_cmp): Likewise.
3062 (*ashrsi3_cconly): Likewise.
3063 (*ashrsi3_cmp_zext): Likewise.
3064 (*ashrhi3_cmp): Likewise.
3065 (*ashrhi3_cconly): Likewise.
3066 (*ashrqi3_cmp): Likewise.
3067 (*ashrqi3_cconly): Likewise.
3068 (*lshrdi3_cmp_rex64): Likewise.
3069 (*lshrdi3_cconly_rex64): Likewise.
3070 (*lshrsi3_cmp): Likewise.
3071 (*lshrsi3_cconly): Likewise.
3072 (*lshrsi3_cmp_zext): Likewise.
3073 (*lshrhi3_cmp): Likewise.
3074 (*lshrhi3_cconly): Likewise.
3075 (*lshrqi2_cmp): Likewise.
3076 (*lshrqi2_cconly): Likewise.
3078 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3081 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3082 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3083 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3084 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3085 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3086 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3087 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3088 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3089 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3090 implement only CC setting effects of shift instructions.
3092 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3094 * doc/contrib.texi: Add myself.
3096 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3099 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3100 was set by the user.
3102 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3105 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3106 (divsi_inv_m1): Use them.
3107 (UNSPEC_DIV_INV_TABLE): New constant.
3109 2006-09-06 James E Wilson <wilson@specifix.com>
3112 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3113 then call count_or_remove_death_notes.
3115 2006-09-06 Jason Merrill <jason@redhat.com>
3118 * tree-inline.c (copy_result_decl_to_var): New fn.
3119 (declare_return_variable): Use it. Call declare_inline_vars here.
3120 (expand_call_inline): Not here.
3122 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3124 * doc/contrib.texi: Update my entry.
3126 2006-09-06 Nick Clifton <nickc@redhat.com>
3128 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3130 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3133 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3134 (canonicalize_induction_variables): Likewise.
3135 (tree_unroll_loops_completely): Likewise.
3136 (tree_ssa_prefetch_arrays): Likewise.
3137 (remove_empty_loops): Likewise.
3138 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3139 TODO_cleanup_cfg instead of directly calling
3140 cleanup_tree_cfg_loop.
3141 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3143 (tree_unroll_loops_completely): Likewise.
3144 (remove_empty_loops): Likewise.
3145 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3146 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3147 of tree_ssa_unswitch_loops.
3148 (tree_ssa_loop_ivcanon): Use the return value of
3149 canonicalize_induction_variables.
3150 (tree_ssa_empty_loop): Use the return value of
3152 (tree_complete_unroll): Use the return value of
3153 tree_unroll_loops_completely.
3154 (tree_ssa_loop_prefetch): Use the return value of
3155 tree_ssa_prefetch_arrays.
3156 * passes.c (execute_todo): Before Cleanup CFG, set
3157 updating_used_alone and after cleanup CFG, call
3158 recalculate_used_alone.
3160 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3163 * tree-vect-transform.c (vectorizable_condition): Move the check
3164 for the type after the check for simple condition.
3166 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3167 Kaz Kojima <kkojima@gcc.gnu.org>
3170 * mode-switching.c (optimize_mode_switching): Make the destination
3171 block of an abnormal edge have no anticipatable mode. Don't
3172 insert mode switching code at the end of the source block of
3175 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3177 PR rtl-optimization/26847
3178 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3179 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3180 (simplify_plus_minus): Count n_constants while filling ops. Replace
3181 qsort with insertion sort. Before going through the array to simplify
3182 pairs, sort it. Delay early exit until after the first sort, exiting
3183 only if no swaps occurred. Simplify pairs in reversed order, without
3184 special-casing the first iteration. Pack ops after simplifying pairs.
3186 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3188 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3189 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3190 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3191 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3193 2006-09-05 Richard Guenther <rguenther@suse.de>
3195 PR tree-optimization/28900
3196 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3197 compound conditional before creating COND_EXPR condition.
3199 2006-09-05 Richard Guenther <rguenther@suse.de>
3201 PR tree-optimization/28905
3202 * tree-vrp.c (fix_equivalence_set): Manually implement
3203 !value_ranges_intersect_p to also handle symbolic ranges.
3205 2006-09-05 Richard Guenther <rguenther@suse.de>
3208 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3211 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3213 PR rtl-optimization/27616
3214 * cse.c (table_size): New static variable.
3215 (new_basic_block): Initialize it to 0.
3216 (remove_from_table): Decrement it.
3217 (insert): Increment it.
3218 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3219 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3220 fold_rtx_mem_1 if under the cap.
3221 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3222 the lookup of the equivalent expression and test for equality of the
3223 first operand of the equivalent expression before in turn looking up
3224 an equivalent constant for the second operand.
3226 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3229 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3230 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3231 pointer, instead of assuming it is possible to derive the
3232 correct args size from a call insn.
3234 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3237 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3238 (fold_builtin_mempcpy): Rename to...
3239 (fold_builtin_memory_op): ... this. Optimize one element copy
3241 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3243 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3244 (expand_builtin_memcpy, expand_builtin_mempcpy,
3245 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3246 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3247 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3248 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3250 2006-09-01 DJ Delorie <dj@redhat.com>
3252 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3253 (stzx_16): Likewise.
3254 ("stzx_24_<mode>"): Likewise.
3255 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3256 ("cmp<mode>_op"): New.
3257 (cmp<mode>): Change to expander; just save operands.
3259 (b<code>): Change to expander, emit compare here.
3260 (s<code>_op): Change to use split and expander.
3261 (s<code>_24_op): Likewise.
3262 (s<code>_<mode>): New.
3263 (s<code>_<mode>_24): New.
3264 (movqicc_<code>_<mode): New.
3265 (movhicc_<code>_<mode>): New.
3268 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3269 (m32c_pend_compare): New.
3270 (m32c_unpend_compare): New.
3271 (m32c_expand_scc): New.
3272 (m32c_expand_movcc): Emit the compare also.
3273 * config/m32c/predicates.md (mra_nopp_operand): New.
3275 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3276 Richard Guenther <rguenther@suse.de>
3277 Adam Nemet <anemet@caviumnetworks.com>
3280 * builtins.c (get_pointer_alignment): Handle more forms
3281 of base addresses that can be used to derive more precise
3282 information about alignment.
3284 2006-09-01 Jason Merrill <jason@redhat.com>
3287 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3290 * gimplify.c (voidify_wrapper_expr): Handle null type.
3292 2006-09-01 Josh Conner <jconner@apple.com>
3295 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3296 (execute_return_slot_opt): Use it.
3298 2006-08-31 Josh Conner <jconner@apple.com>
3301 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3302 returning aggregates.
3304 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3306 PR tree-optimization/28839
3307 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3308 blocks in that phi arguments appear.
3310 2006-08-31 Roger Sayle <roger@eyesopen.com>
3313 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3314 NULL, otherwise use an advance_loc4 to adjust relative to the
3316 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3317 (dwarf2out_switch_text_section): Reset the current label to avoid
3318 using advance_loc4 over section boundaries.
3320 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3323 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3324 r12 + SYMBOLIC_CONST.
3326 2006-08-30 Richard Guenther <rguenther@suse.de>
3328 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3330 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3332 PR rtl-optimization/27735
3333 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3334 Add new argument to keep track of whether an irreducible region
3335 was affected. All callers changed.
3336 (fix_irreducible_loops): Removed.
3337 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3338 flags were invalidated.
3340 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3342 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3343 instead of SF operands.
3344 (*fop_df_comm_sse): Likewise.
3345 (*fop_df_comm_i387): Likewise.
3346 (*fop_df_1_mixed): Likewise.
3347 (*fop_df_1_sse): Likewise.
3349 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3350 J"orn Rennecke <joern.rennecke@st.com>
3352 PR tree-optimization/17506
3353 * tree-ssa.c (warn_uninit): If warning about a location outside of
3354 the current function, note where the variable was declared.
3356 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3358 PR tree-optimization/28411
3359 * double-int.c (double_int_div): Use double_int_divmod.
3360 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3361 double_int_mod, double_int_smod, double_int_umod): New functions.
3362 * double-int.h (double_int_divmod, double_int_sdivmod,
3363 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3365 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3367 (get_computation_aff, get_computation_cost_at): Handle double_int
3368 return type of constant_multiple_of.
3370 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3373 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3374 an implicit conversion.
3376 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3378 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3380 2006-08-27 Roger Sayle <roger@eyesopen.com>
3382 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3385 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3387 * config/i386/crtfastmath.c: Fix a comment typo.
3389 2006-08-26 Roger Sayle <roger@eyesopen.com>
3391 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3392 temporary visit flags on CASE_LABEL_EXPRs.
3393 * c-common.c (match_case_to_enum): Add function comment. Avoid
3394 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3395 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3396 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3397 a constant, only warn if that constant value isn't handled.
3399 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3402 * input.h (restore_input_file_stack): Declare.
3403 (INPUT_FILE_STACK_BITS): Define.
3404 * toplev.c (fs_p, input_file_stack_history,
3405 input_file_stack_restored, restore_input_file_stack): New.
3406 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3407 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3408 (pop_srcloc): Don't free old state of stack.
3410 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3413 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3414 (PowerPC Type Attributes): New.
3416 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3418 * config/xtensa/xtensa.c (function_arg_boundary): New.
3419 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3421 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3422 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3424 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3427 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3430 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3432 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3433 (verify_local_live_at_start): Likewise.
3435 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3438 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3439 omp_add_variable): Treat sizes as variable whenever not
3442 2006-08-26 Richard Guenther <rguenther@suse.de>
3445 * fold-const.c (fold_binary): Fold temporary to correct
3446 type before constructing new comparison.
3448 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3451 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3452 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3454 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3457 * c-decl.c (start_function): Don't try to process prototype
3458 information from old declaration that isn't a function.
3460 2006-08-25 Jan Hubicka <jh@suse.cz>
3463 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3465 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3468 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3471 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3473 PR tree-optimization/16876
3474 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3475 exit if PARM doesn't match VALUE.
3477 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3479 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3480 literal_prefix directive.
3481 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3482 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3483 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3485 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3488 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3489 predicate to general_operand. Add 0->y and I->r alternatives.
3491 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3493 * doc/tm.texi: Fix a typo.
3494 * predict.c: Fix comment typos.
3496 2006-08-25 Nick Clifton <nickc@redhat.com>
3498 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3499 assertions of "cpu" and "machine".
3501 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3504 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3505 the access through a base which has an alias set of 0 cannot
3508 2006-08-24 Bill Wendling <wendling@apple.com>
3510 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3512 2006-08-24 Jan Hubicka <jh@suse.cz>
3514 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3516 2006-08-24 Jan Hubicka <jh@suse.cz>
3519 * cgraph.c: Fix comments.
3520 (cgraph_varpool_mark_needed_node): Mark only variables not already
3522 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3523 (cgraph_varpool_assembled_nodes_queue): New static variable.
3524 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3525 (cgraph_varpool_output_debug_info): New function.
3526 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3527 * Makefile.in: Add gt-cgraphunit.h
3529 2006-08-24 Jan Hubicka <jh@suse.cz>
3531 * predict.c (probability_reliable_p): New predicate.
3532 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3533 (predict_loops): Do not predict loop exit with less than 2%
3535 * basic-block.h (edge_probability_reliable_p,
3536 br_prob_note_reliable_p): Declare.
3537 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3538 prediction when static predictor is not reliable.
3539 * rs6000.c (output_cbranch): Likewise.
3541 2006-08-23 Stuart Hastings <stuart@apple.com>
3544 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3545 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3547 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3550 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3551 complex values, nor for generic vector values.
3553 2006-08-22 Richard Guenther <rguenther@suse.de>
3556 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3557 parameter. Convert arguments to arithmetic expression to the
3559 (analyze_scalar_evolution_1): Adjust caller.
3561 2006-08-22 Jan Hubicka <jh@suse.cz>
3563 Patch by Paolo Bonzini
3564 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3567 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3569 PR tree-optimization/28003
3570 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3571 before grouping aliases.
3573 2006-08-22 Roger Sayle <roger@eyesopen.com>
3575 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3576 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3578 2006-08-21 Jason Merrill <jason@redhat.com>
3581 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3582 wrapper. Loop to handle nested wrappers.
3583 (gimplify_bind_expr): Remove temp parameter.
3584 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3585 and STATEMENT_LIST on the rhs.
3586 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3587 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3588 (gimplify_target_expr): Remove special BIND_EXPR handling.
3590 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3592 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3595 2006-08-21 Olivier Hainque <hainque@adacore.com>
3597 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3598 Arrange for the temporary captures of components overlapping the lhs
3599 to happen before the lhs is possibly cleared.
3601 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3603 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3604 necessary places to pass the correct "number of registers" values
3607 2006-08-20 Jan Hubicka <jh@suse.cz>
3609 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3610 (create_name_tags): Instead of quadratic checking use hashtable.
3611 * bitmap.h: Include hashtab.h.
3612 (bitmap_hash): Declare.
3613 * bitmap.c (bitmap_hash): New function.
3615 2006-08-20 Jan Hubicka <jh@suse.cz>
3617 PR rtl-optimization/28071
3618 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3620 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3621 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3622 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3623 cgraph_decide_inlining_incrementally): Update use of
3624 cgraph_check_inline_limits.
3625 * cgraph.c (edge_hash, edge_eq): New function.
3626 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3627 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3628 cgraph_remove_node): Maintain call site hash.
3629 * cgraph.h (struct cgraph_node): Add call_site_hash.
3630 (cgraph_set_call_stmt): New function.
3632 2006-08-20 Jan Hubicka <jh@suse.cz>
3634 PR rtl-optimization/28071
3635 * reload1.c (reg_has_output_reload): Turn into regset.
3636 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3637 choose_reload_regs, emit_reload_insns): Update to new
3638 reg_has_output_reload.
3640 2006-08-20 Jan Hubicka <jh@suse.cz>
3643 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3644 function body sizes.
3645 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3647 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3650 * tree.c (handle_dll_attribute): Return early if not a
3651 var or function decl.
3653 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3656 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3657 alignment of SPE vector types.
3659 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3661 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3663 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3666 * cgraph.h (struct cgraph_node): Remove externally_visible
3668 * cgraphunit.c (process_function_and_variable_attributes): Set
3669 local.externally_visible rather than externally_visible.
3672 * c-common.c (handle_externally_visible_attribute): First look
3673 at TREE_CODE and only if it is function or var decl, check for
3674 non-public objects. Don't warn for DECL_EXTERNAL.
3675 * cgraphunit.c (process_function_and_variable_attributes): Warn
3676 if externally_visible attribute is used on non-public object.
3678 2006-08-17 Jan Hubicka <jh@suse.cz>
3680 PR tree-optimization/27865
3681 * reload1.c (forget_marked_reloads): New function.
3682 (forget_old_reloads_1): When data are passed, just mark the registers
3684 (reload_as_needed): Use the new mechanizm.
3686 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3689 * reload.h (reg_equiv_alt_mem_list): New declaration.
3690 * reload1.c (reg_equiv_alt_mem_list): New definition.
3691 (reload): Initialize it and release it.
3692 (delete_output_reload): Use it.
3693 * reload.c (push_reg_equiv_alt_mem): New function.
3694 (find_reloads_toplev): Call it.
3695 (find_reloads_address, find_reloads_address_1): Likewise.
3696 (find_reloads_subreg_address): Likewise.
3698 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3700 PR rtl-optimization/28489
3701 * sched-ebb.c (begin_schedule_ready): Create basic block
3703 (advance_target_bb): Skip empty blocks.
3704 * haifa-sched.c (bb_note): Make global.
3705 * sched-int.h (bb_note): Add prototype.
3707 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3709 PR tree-optimization/27865
3710 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3712 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3713 fold_used_pointer, pointer_used_p): New functions.
3714 (analyze_scalar_evolution_1): Use fold_used_pointer.
3715 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3716 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3719 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3722 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3723 or the INTEGER_CST. Fail on a CALL_EXPR.
3724 (fold_offsetof): Pass new argument to fold_offsetof_1.
3725 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3726 operand into an INDIRECT_REF.
3727 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3729 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3731 PR gcov/profile/26570
3732 * value-prof.c (static_values): Removed.
3733 (tree_find_values_to_profile): Do not set static_values.
3734 (find_values_to_profile): Do not free static_values.
3735 * profile.c (instrument_values): Do not free the values.
3736 (branch_prob): Free the values.
3738 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3740 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3742 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3745 * c-typeck.c (build_component_ref): Combine qualifiers of
3746 structure or union and field.
3748 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3750 PR rtl-optimization/28071
3751 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3752 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3753 * tree-into-ssa.c (struct dom_dfsnum): New.
3754 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3756 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3757 compute_global_livein.
3758 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3759 in phi nodes in the correct blocks.
3761 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3763 PR tree-optimization/28364
3764 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3766 (fold_affine_expr): New function.
3767 (may_eliminate_iv): Use fold_affine_expr.
3769 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3772 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3775 2006-08-16 Mike Stump <mrs@apple.com>
3777 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3778 * doc/cppopts.texi (-MD): Likewise.
3780 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3783 * c-common.c (handle_weak_attribute): Ignore and warn if
3784 not a FUNCTION_ or VAR_DECL.
3786 2006-07-15 Mike Stump <mrs@apple.com>
3789 * c-parser.c (c_parser_typeof_specifier): Don't use
3790 c_finish_expr_stmt, open code desired semantics instead.
3792 2006-08-15 Nick Clifton <nickc@redhat.com>
3794 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3795 fragment to tmake_file only if threads are enabled.
3796 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3797 * config/i386/t-gthr-win32: New file. ... here.
3799 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3802 * c-parser.c (c_parser_compound_statement_nostart): Reset
3803 parser->error after each statement.
3805 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3808 * omp-low.c (lower_omp_parallel): Convert t to
3809 receiver_decl's type.
3810 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3811 source before comparison.
3814 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3815 to itype in assignment to oldival2.
3817 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3821 * c-typeck.c (build_compound_expr): If the second expression
3822 is an error mark, then just return an error mark instead of
3823 creating a COMPOUND_EXPR.
3825 2006-07-14 Mike Stump <mrs@apple.com>
3827 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3829 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3831 * c-decl.c, var-tracking.c: Fix comment typos.
3833 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3835 PR rtl-optimization/28634
3836 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3837 for floating-point modes unless flag_unsafe_math_optimizations.
3839 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3840 Andrew Pinski <pinskia@physics.uc.edu>
3843 * tree.c (build_array_type): Unify array types with
3844 unspecified index_type.
3845 * c-decl.c (grokdeclarator): Make sure we do not modify a
3846 unified incomplete array type.
3847 * c-typeck.c (store_init_value): Create distinct type before
3848 filling in the index type in an initializer from a compound
3851 * c-decl.c (grokdeclarator): Remove code where we copy the
3854 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3856 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3857 into account for TODO_dump_cgraph.
3858 (TODO_update_ssa_no_phi): Likewise.
3859 (TODO_update_ssa_full_phi): Likewise.
3860 (TODO_update_ssa_only_virtuals): Likewise.
3861 (TODO_remove_unused_locals): Likewise.
3862 (TODO_set_props): Likewise.
3863 (TODO_update_stmt_usage): Likewise.
3865 2006-08-13 Dirk Mueller <dmueller@suse.de>
3867 * c-common.c (strict_aliasing_warning): Fix formatting.
3869 2006-08-13 Matthias Klose <doko@debian.org>
3871 * doc/invoke.texi: Fix spelling errors.
3873 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3875 PR rtl-optimization/23454
3876 * reorg.c (relax_delay_slots): Update comment.
3878 2006-08-11 Richard Guenther <rguenther@suse.de>
3881 * simplify-rtx.c (simplify_const_relational_operation):
3882 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3885 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3887 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3888 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3890 2006-08-10 Paul Brook <paul@codesourcery.com>
3892 * final.c (final_scan_insn): Clear current_insn_predicate before
3893 outputting inline asm.
3895 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3897 PR tree-optimization/26197
3898 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3899 get_ref_base_and_extent and overlap_subvar to add only relevant
3900 subvars as may-aliases.
3901 (add_may_alias_for_new_tag): New function, factored out of
3903 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3904 with additional argument.
3905 * tree-flow.h (new_type_alias): Takes additional argument.
3907 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3909 * gcov.c (no_data_file): New flag.
3910 (read_count_file): Set it if data file not present. Assume counts
3912 (output_lines): Don't name the data file, if there wasn't one.
3914 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3916 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3917 (rs6000_generate_compare): Tweak comments.
3918 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3920 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3922 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3923 (var_debug_decl): New function.
3924 (var_reg_set): Follow debug decl link. Add location even if
3925 reg is already known to hold some other variable.
3926 (var_mem_set): Follow debug decl link.
3927 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3928 decl link. Delete other known locations of the variable part
3930 (var_reg_delete, var_mem_delete): Delete other known locations
3931 of the variable part if requested.
3932 (same_variable_part_p): New function.
3933 (add_stores): Select MO_COPY when appropriate.
3934 (vt_initialize): Handle it.
3935 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3936 known locations for MO_SET and MO_CLOBBER.
3937 (find_variable_location_part): New function.
3938 (set_variable_part, delete_variable_part): Use it.
3939 (clobber_variable_part): New function.
3940 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3943 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3945 PR tree-optimization/26969
3946 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3947 with an empty list of PHIs.
3949 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3953 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3956 2006-08-06 Andreas Schwab <schwab@suse.de>
3958 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3959 string. Whitespace and comment fixup.
3961 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3964 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3968 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3971 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3973 2006-08-04 Jan Hubicka <jh@suse.cz>
3977 * reload.c (push_reload): Patch out the mismatching instruction;
3979 (find_reload): Bail out if the instruction was patched out.
3981 2006-08-04 Jan Hubicka <jh@suse.cz>
3983 PR tree-optimization/24888
3984 * tree-inline.c (expand_call_inline): Do not re-record variables.
3985 (declare_inline_vars): Add variable to unexpanded_var_list.
3987 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3988 Roger Sayle <roger@eyesopen.com>
3990 PR rtl-optimization/26244
3991 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3992 inner_const are negative or greater than or equal to the bitsize of
3993 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3994 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3995 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3996 CONST0_RTX (mode) when the new shift count is greater than or equal to
3997 to the bitsize of the object being shifted and XEXP (y, 0) has no side
4000 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
4002 * tree-cfg.c: Fix a comment typo.
4004 2006-08-03 Mark Mitchell <mark@codesourcery.com>
4007 * varasm.c (output_constant): Give the front end another chance to
4008 expand constants, after stripping NOPs.
4010 2006-08-03 Jan Hubicka <jh@suse.cz>
4012 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
4015 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
4017 PR tree-optimization/27770
4018 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
4019 declaration removed (moved to tree-flow.h).
4020 (vect_can_force_dr_alignment_p): Likewise.
4021 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
4022 (moved from tree-vectorizer.h).
4023 (vect_can_force_dr_alignment_p): Likewise.
4024 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
4025 from outside the vectorizer - in particular from cgraph stage.
4026 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
4027 the alignment of global arrays when -fsection-anchors is enabled.
4028 * cgraphunit.c (cgraph_increase_alignment): New function.
4029 (cgraph_optimize): Call cgraph_increase_alignment.
4031 2006-08-03 David Edelsohn <edelsohn@gnu.org>
4034 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4035 not reload a SPE symbol_ref into a lo_sum address.
4037 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4040 * dwarf2out.c (prune_unused_types_prune): Move call to
4041 prune_unused_types_update_strings to cover the parent DIE also.
4043 2006-08-02 Jan Hubicka <jh@suse.cz>
4045 PR gcov/profile/28480
4046 * tree-cfg.c (change_bb_for_stmt): New function.
4047 (tree_merge_blocks, tree_split_blocks): Use it.
4049 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4055 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4056 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4057 (cgraph_optimize): Likewise.
4059 2006-08-01 Stuart Hastings <stuart@apple.com>
4061 * rtl.h (UINTVAL) New.
4062 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4063 * testsuite/gcc.dg/20060801-1.c: New.
4065 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4068 * c-typeck.c (build_external_type): Mark used enum types.
4069 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4071 (gen_subprogram_die): Whitespace fix.
4073 2006-08-01 Jan Hubicka <jh@suse.cz>
4075 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4076 bitmap when not needed.
4077 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4080 2006-08-01 Dirk Mueller <dmueller@suse.de>
4082 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4084 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4086 * Makefile.in: Revert part of previous patch:
4087 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4090 2006-07-30 Eric Christopher <echristo@apple.com>
4093 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4094 (PowerPC Variable Attributes): New section.
4096 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4098 PR target/28126 (partial fix)
4099 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4101 2006-07-28 Jan Hubicka <jh@suse.cz>
4103 PR rtl-optimization/28071
4104 * cfgrtl.c (rtl_delete_block): Free regsets.
4105 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4107 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4109 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4110 and variables used in dependencies.
4112 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4114 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4115 %fs for -mcmodel=kernel.
4116 (stack_tls_protect_test_di): Likewise.
4118 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4120 * Makefile.in: Use mkinstalldirs.
4122 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4125 * opts-common.c (prune_options): Skip joined switches.
4127 2006-07-27 Jan Hubicka <jh@suse.cz>
4129 PR rtl-optimization/28071
4130 * cselib.c (cselib_process_insn): Don't remove useless values too
4131 often for very large hashtables.
4133 2006-07-27 Jan Hubicka <jh@suse.cz>
4135 PR rtl-optimization/28071
4136 * global.c (greg_obstack): New obstack.
4137 (allocate_bb_info): Use it.
4138 (free_bb_info): Likewise.
4139 (modify_reg_pav): Likewise.
4141 2006-07-27 Roger Sayle <roger@eyesopen.com>
4143 * builtins.c (fold_fixed_mathfn): When long and long long are the
4144 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4145 functions to their lceil*, lfloor*, lround* and lrint* forms.
4147 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4150 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4152 (rev_branch_insn): Likewise.
4154 2006-07-27 Jan Hubicka <jh@suse.cz>
4156 PR rtl-optimization/28071
4157 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4158 (reg_set_in_bb, max_reg_computed): New static variables.
4159 (regmove_optimize): Free the new array.
4160 (fixup_match_1): Update call of reg_is_remote_constant_p.
4162 2006-07-26 Jan Hubicka <jh@suse.cz>
4164 PR tree-optimization/27882
4165 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4167 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4169 (cgraph_analyze_compilation_unit): Likewise.
4170 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4171 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4172 (cgraph_early_inlinine): Make order garbage collected.
4173 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4175 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4177 * dbxout.c (output_types_sort): Add a comment.
4178 (output_used_types): Free the VEC.
4180 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4182 * function.c (reorder_fix_fragments): Delete.
4183 (reorder_blocks): Don't call it.
4184 (reorder_blocks_1): Put all subblocks under the origin block.
4186 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4188 PR rtl-optimization/27907
4189 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4192 2006-07-25 Roger Sayle <roger@eyesopen.com>
4195 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4196 bar(x) check that bar's result type can represent all the values of T.
4198 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4200 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4202 2006-07-25 Nick Clifton <nickc@redhat.com>
4204 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4205 size_lookup[] array.
4206 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4207 (ggc_pch_count_object): Likewise.
4208 (ggc_pch_alloc_object): Likewise.
4209 (ggc_pch_write_object): Likewise.
4210 (init_ggc): Do not attempt to initialize entries in the
4211 size_lookup[] array for objects whose size is greater than than
4212 the length of the array.
4214 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4216 * dbxout.c (output_used_types_helper): Push queued types
4218 (output_types_sort): New.
4219 (output_used_types): Collect used types on a VEC and sort them
4222 2006-07-24 Richard Guenther <rguenther@suse.de>
4225 * cgraph.c (cgraph_remove_node): Do not check if dumps
4227 * cgraphunit.c (cgraph_optimize): Likewise.
4229 2006-07-24 Jan Hubicka <jh@suse.cz>
4231 PR rtl-optimization/28071
4232 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4233 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4234 splitting before first stmt.
4236 2006-07-24 Jan Hubicka <jh@suse.cz>
4238 PR rtl-optimization/28071
4239 * ipa-inline.c (update_caller_keys): Remove edges that
4240 are no longer inline candidates.
4242 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4245 * dbxout.c (output_used_types_helper, output_used_types): New.
4246 (dbxout_symbol): Call output_used_types.
4248 2006-07-23 Jan Hubicka <jh@suse.cz>
4252 * cgraph.c (cgraph_varpool_nodes): Export.
4253 (decide_is_variable_needed): Ignored "used" attribute in
4254 unit-at-a-time mode.
4255 * cgraph.h (cgraph_varpool_nodes): Declare.
4256 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4257 unit-at-a-time mode.
4259 2006-07-23 Roger Sayle <roger@eyesopen.com>
4262 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4263 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4264 the __gthrw form of thr_keycreate.
4265 (__gthread_key_delete): Silence the unused argument warning.
4267 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4270 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4271 Cache the last found '\0' marker to avoid quadratic behavior.
4273 2006-07-23 Jan Hubicka <jh@suse.cz>
4275 * i386.md (subsi_3_zext): Fix output template.
4277 2006-07-21 Mike Stump <mrs@apple.com>
4279 * doc/invoke.texi (C++ Dialect Options): Note that
4280 -fvisibility-inlines-hidden doesn't affect explicitly
4281 instantiationed inline methods.
4283 2006-07-20 Roger Sayle <roger@eyesopen.com>
4285 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4286 if the target assembler is GNU binutils' gas.
4287 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4288 whether to pass GNU gas or native as command line options.
4290 2006-07-20 Jason Merrill <jason@redhat.com>
4292 * tree.c (remove_attribute): New fn.
4293 * tree.h: Declare it.
4295 2006-07-20 Paul Brook <paul@codesourcery.com>
4298 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4299 they are invalidated by this instruction.
4301 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4304 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4306 2006-07-20 Eric Christopher <echristo@apple.com>
4309 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4311 2006-07-19 Eric Christopher <echristo@apple.com>
4313 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4314 Rewrite dependencies for libgcc_s.1.dylib.
4316 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4318 * except.c (duplicate_eh_regions_1): Clear next_peer.
4320 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4322 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4323 -mlongcall does not guarantee all calls will be long.
4324 * doc/extend.texi (long_call/short_call): Document that longcall
4325 does not guarantee a long call will be used.
4326 (longcall/shortcall): Likewise.
4328 2006-07-18 Roger Sayle <roger@eyesopen.com>
4331 * expmed.c (expand_shift): Additionally check that the shift_cost
4332 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4333 before implementing a LSHIFT_EXPR as a sequence of additions.
4334 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4335 middle-end that DImode shifts need to be synthesized by expand.
4337 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4340 * tree-ssa-operands.c (access_can_touch_variable): Update
4342 Return true if ALIAS is .GLOBAL_VAR.
4344 2006-07-18 David Daney <ddaney@avtrex.com>
4346 * gcc.c (display_help): Fix typo in help text.
4348 2006-07-18 Olivier Hainque <hainque@adacore.com>
4350 * tree.h (categorize_ctor_elements): Adjust prototype and add
4351 descriptive comment, both in accordance with the interface change
4353 * varasm.c (constructor_static_from_elts_p): New function.
4354 Whether a constructor node is a valid static constant initializer
4355 if all its elements are.
4356 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4357 * output.h: Declare it.
4358 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4359 is a valid constant initializer instead of computing the number of
4360 non-constant elements. Use constructor_static_from_elts_p for this
4361 purpose. Replace the head comment with an indication that this is a
4362 helper for categorize_ctor_elements.
4363 (categorize_ctor_elements): Same interface change as for the _1
4364 helper. Former head comment from this helper moved here, adjusted to
4365 account for the interface changes.
4366 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4367 (all_zeros_p): Likewise.
4368 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4369 static versions of the constructor from the categorize_ctor_elements
4370 return value instead of the formerly computed number of non-constant
4373 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4375 * configure: Regenerate.
4376 * Makefile.in (build_libsubdir): New configure substitution
4377 (build_libobjdir): New variable.
4378 (BUILD_LIBIBERTY): Use it.
4380 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4383 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4385 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4388 * c-common.c (handle_weakref_attribute): Ignore attribute in
4389 the same conditions the alias attribute is ignored.
4391 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4393 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4394 (dbxout_begin_prologue): Increment scope_labelno.
4396 2006-07-17 Richard Henderson <rth@redhat.com>
4399 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4402 2006-07-17 Roger Sayle <roger@eyesopen.com>
4403 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4405 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4406 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4407 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4408 functions such as sbrk, write, etc.. Add function prototypes.
4409 Convert function declarations from K&R to ISO C. Cast pointers
4410 to "long" and "unsigned long" instead of "int" and "unsigned int".
4411 Convert tokens following #endif into comments.
4413 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4415 * invoke.texi: Remove mention of f77; Reformat table for
4416 inline parameter options correctly; mention that -malign-double
4417 is default on x86-64 targets.
4419 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4421 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4422 (convert_affine_scev, chrec_convert_aggressive): Use
4423 avoid_arithmetics_in_type_p. Do not check for the subtypes
4426 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4429 * optabs.c (expand_doubleword_shift): Wrap the call to
4430 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4432 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4435 * optabs.c (expand_binop): Pass next_methods rather than methods
4436 to expand_doubleword_shift.
4438 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4441 * tree.h (dump_addr): Declare.
4442 * print-tree.c (dump_addr): New function.
4443 (print_node_brief, print_node): Use it.
4444 * print-rtl.c (print_rtx): Likewise.
4445 * common.opt (-fdump-noaddr): New option.
4446 * doc/invoke.texi (-fdump-noaddr): Document.
4447 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4448 (ve_info_hash): Likewise.
4450 2006-07-13 Andrew Haley <aph@redhat.com>
4452 PR tree-optimization/19505
4453 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4454 edge leaving this block, make sure that the destination of this
4455 block has only one predecessor.
4457 2006-07-17 Richard Guenther <rguenther@suse.de>
4459 PR tree-optimization/28238
4460 * tree-inline.c (copy_bb): Check if we produced valid
4461 gimple copying and substituting a stmt. If not, gimplify
4464 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4466 * optabs.c (maybe_encapsulate_block): New function extracted from...
4467 (emit_libcall_block): ...here. Invoke it on the block of insns to
4468 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4469 (emit_no_conflict_block): Likewise.
4471 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4473 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4475 2006-07-15 Roger Sayle <roger@eyesopen.com>
4477 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4478 a new NOP_EXPR case of the switch statement.
4480 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4483 * stor-layout.c (place_field): Take the bit field with
4484 an excessive size into account in the ms-bitfiled case.
4487 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4488 the previous bit field.
4490 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4493 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4495 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4497 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4498 signal frames correctly even when the signal was installed with
4501 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4503 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4504 (dbxout_function_end): Use local label LFBB. Remove hook
4506 (dbxout_source_line): Use local label LFBB.
4507 (dbxout_block): Likewise.
4508 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4509 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4510 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4511 and DBX_OUTPUT_NFUN.
4513 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4515 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4517 2006-07-13 Jan Hubicka <jh@suse.cz>
4519 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4521 * output.h (align_variable): Declare.
4522 * varasm.c (align_variable): Export.
4523 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4524 when basic block changed.
4526 2006-07-13 Nick Clifton <nickc@redhat.com>
4528 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4529 walking the LOG_LINKS chain.
4531 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4533 * doc/invoke.texi (C++ Dialect Options): Explain difference
4534 between -fvisibility-inlines-hidden and setting hidden
4535 visibility explicitly.
4537 2006-07-12 Eric Christopher <echristo@apple.com>
4539 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4540 (stmp-lipo): Depend on libgcc.a.
4542 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4544 * tree.c: Fix a comment typo.
4546 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4548 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4550 (umulhisi3_r): Likewise.
4552 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4555 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4556 x < 19, vs wchar_t support.
4558 2006-07-12 Nick Clifton <nickc@redhat.com>
4560 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4561 instead of -isa=sh4.
4563 2006-07-12 Mike Stump <mrs@apple.com>
4565 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4567 2006-07-10 Eric Christopher <echristo@apple.com>
4569 * config/t-slibgcc-darwin: Rewrite.
4571 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4574 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4577 2006-07-08 Matthias Klose <doko@debian.org>
4579 * doc/sourcebuild.texi: Fix typo.
4581 2006-07-07 Mike Stump <mrs@apple.com>
4583 * toplev.c (process_options): Don't give -ffunction-sections may
4584 affect debugging warning for Mach-O.
4586 2006-07-07 James E Wilson <wilson@specifix.com>
4588 * config/mips/mips.md (cpu): Add sb1a.
4589 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4590 addition to sb1. Adjust comments to clarify SB-1A differences from
4592 (ir_sb1a_load): New. Modify bypasses to use it.
4593 (ir_sb1a_simple_alu): Likewise.
4594 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4595 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4596 (mips_issue_rate): Add PROCESSOR_SB1A.
4597 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4598 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4599 (TARGET_SB1): Add PROCESSOR_SB1A check.
4600 (TUNE_SB1): Likewise.
4602 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4603 * config/mips/mips.c (mips_store_data_bypass_p): New.
4604 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4605 store_data_bypass_p.
4607 2006-07-08 Paul Brook <paul@codesourcery.com>
4610 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4612 2006-07-07 Richard Guenther <rguenther@suse.de>
4615 * tree.h (build_one_cst): Declare.
4616 * tree.c (build_one_cst): New function.
4617 * tree-ssa-math-opts.c (get_constant_one): Remove.
4618 (insert_reciprocals): Use build_one_cst.
4619 * fold-const.c (fold_plusminus_mult): Likewise.
4621 2006-07-07 Roger Sayle <roger@eyesopen.com>
4623 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4624 * cfgloopanal.c (dump_graph): Likewise.
4625 * dojump.c (discard_pending_stack_adjust): Likewise.
4626 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4628 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4629 * function.c (finalize_block_changes): Likewise.
4630 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4631 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4632 * rtl.c (dump_rtx_statistics): Likewise.
4633 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4635 * varray.c (dump_varray_statistics): Likewise.
4636 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4637 decode_decimal64, encode_decimal128, decode_decimal128,
4638 decimal_real_to_decimal): Likewise.
4640 2006-07-07 Richard Guenther <rguenther@suse.de>
4642 PR tree-optimization/28187
4643 * tree-vrp.c (vrp_operand_equal_p): New function.
4644 (vrp_bitmap_equal_p): Likewise.
4645 (update_value_range): Use them to compare old and new
4648 2006-07-06 Roger Sayle <roger@eyesopen.com>
4650 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4651 a default case to switch statement to silence compiler warnings.
4653 2006-07-06 Roger Sayle <roger@eyesopen.com>
4656 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4657 the configured assembler supports the x87's ffreep mnemonic.
4658 * configure: Regenerate.
4659 * config.in: Regenerate.
4661 * config/i386/i386.c (output_387_ffreep): New function.
4662 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4663 (output_387_reg_move): Likewise.
4665 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4667 Port to hosts whose 'sort' and 'tail' implementations
4668 treat operands with leading '+' as file names, as POSIX
4669 has required since 2001. However, make sure the code still
4670 works on pre-POSIX hosts.
4671 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4672 which says you should use "tail -c +N" rather than "tail +Nc".
4673 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4675 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4677 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4680 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4683 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4684 PRE_{INC,DEC} of TFmode.
4686 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4687 Alan Modra <amodra@bigpond.net.au>
4690 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4693 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4696 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4697 Remove duplicate gtu.
4699 2006-07-05 Jason Merrill <jason@redhat.com>
4703 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4704 * c-common.c (handle_packed_attribute): So don't copy it here.
4705 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4707 2006-07-05 Mike Stump <mrs@apple.com>
4709 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4711 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4714 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4716 2006-07-05 Richard Guenther <rguenther@suse.de>
4719 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4720 TARGET_SSE2 targets if using SSE math.
4721 (*absdf2_1): Likewise.
4723 2006-07-05 Richard Guenther <rguenther@suse.de>
4725 PR tree-optimization/28162
4726 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4727 make sure to convert the operands to the correct type.
4729 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4731 PR tree-optimization/28218
4733 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4734 to calculate and free the dominator information.
4736 2006-07-04 Peter O'Gorman <peter@pogma.com>
4738 * mklibgcc.in: chmod 644 before ranlib during install.
4740 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4741 J"orn Rennecke <joern.rennecke@st.com>
4743 * configure.ac (.eh_frame data check): Use diff -b.
4745 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4748 * Makefile.in (BUILD_RTL): Add build/vec.o.
4749 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4750 (build/genextract): Delete.
4751 (build/genautomata): Likewise.
4753 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4756 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4757 128-bit IBM long doubles for ABI_V4.
4759 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4761 * tree.c (range_in_array_bounds_p): New predicate.
4762 * tree.h (range_in_array_bounds_p): Declare it.
4763 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4764 return a less conservative answer.
4765 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4766 and flag 'is_group'.
4767 (IS_ELEMENT_FOR_GROUP): New macro.
4768 (FOR_EACH_ACTUAL_CHILD): Likewise.
4769 (next_child_for_group): New helper function.
4770 (can_completely_scalarize_p): Take into account groups.
4771 (sra_hash_tree): Handle RANGE_EXPR.
4772 (sra_elt_eq): Likewise.
4773 (lookup_element): Be prepared for handling groups.
4774 (is_valid_const_index): Delete.
4775 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4776 instead of is_valid_const_index.
4777 <ARRAY_RANGE_REF>: New case.
4778 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4779 is_valid_const_index.
4780 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4781 (scan_dump): Dump info for groups too.
4782 (decide_instantiation_1): Likewise.
4783 (decide_block_copy): Assert that the element is not a group.
4784 Propagate decision to groups.
4785 (generate_one_element_ref): Handle RANGE_EXPR.
4786 (mark_no_warning): Iterate over actual childs.
4787 (generate_copy_inout): Likewise.
4788 (generate_element_copy): Likewise.
4789 (generate_element_zero): Likewise.
4790 (generate_element_init_1): Likewise.
4791 (dump_sra_elt_name): Handle RANGE_EXPR.
4793 2006-07-03 Roger Sayle <roger@eyesopen.com>
4795 PR tree-optimization/26251
4796 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4797 (thread_block): When optimizing for size refuse to thread jumps
4798 that would require duplication of blocks other than redirection
4801 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4803 * configure.ac: Fix thinko in previous check-in.
4804 * configure: Regenerate.
4806 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4809 * configure.ac (for lang...): Simplify nesting of conditionals.
4810 Test subdir_requires for non-enabled languages. Move processing
4811 of lang_opt_files and lang_tree_fiels below that test.
4812 * configure: Regenerate.
4813 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4815 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4817 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4819 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4821 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4824 2006-06-29 Jason Merrill <jason@redhat.com>
4831 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4832 * c-common.c (c_determine_visibility): Handle it here.
4833 * c-decl.c (finish_decl): Call c_determine_visibility for
4835 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4837 * varasm.c (default_assemble_visibility): Likewise.
4838 * c-common.c (handle_visibility_attribute): Complain about trying
4839 to give visibility to an already defined class, or trying to change
4840 declared visibility. Always attach the attribute.
4845 * attribs.c (decl_attributes): Ignore type-in-place attributes
4846 once the type has been defined.
4848 2006-06-29 Roger Sayle <roger@eyesopen.com>
4851 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4852 to indicate the cpplib has issued an error message for us.
4854 2006-06-29 Asher Langton <langton2@llnl.gov>
4857 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4858 insert a label at the end of an function under Mach-O.
4860 2006-06-29 Eric Christopher <echristo@apple.com>
4861 Evan Cheng <evan.cheng@apple.com>
4863 * predicates.md (vector_all_ones_operand): New.
4864 (nonimmediate_or_sse_const_operand): Ditto.
4865 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4866 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4867 (standard_sse_mode_p): Ditto.
4868 (standard_sse_constant_p): Add case for -1 vector.
4869 (ix86_expand_vector_move): Try to use.
4870 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4871 Call standard_sse_constant_opcode.
4872 (*movv4sf_internal): Ditto.
4873 (*movv2df_internal): Ditto.
4875 2006-06-29 Roger Sayle <roger@eyesopen.com>
4877 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4878 of XEXP to extract the operands of a MATCH_CODE rtx.
4880 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4882 * tree.c (tree_size): Do not waste tail padding in
4883 struct tree_string and make the size be the same as
4884 build_string will generate.
4886 2006-06-28 Jason Merrill <jason@redhat.com>
4889 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4890 may_aliases already in the tag's annotations to the bitmap.
4892 2006-06-28 Roger Sayle <roger@eyesopen.com>
4894 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4896 2006-06-28 Roger Sayle <roger@eyesopen.com>
4898 * genpreds.c (generate_switch_p): New function.
4899 (add_mode_tests): Push the new mode test down inside an AND expr
4900 if this allows the switch-suitable MATCH_CODE to be near the root.
4901 (write_match_code_switch): New function to write a MATCH_CODE as
4903 (write_predicate_stmts): New function to write a predicate RTX
4904 expression as a sequence of statements.
4905 (write_one_predicate_function): Use write_predicate_stmts.
4906 (write_tm_constrs_h): Likewise.
4908 2006-06-26 Fred Fish <fnf@specifix.com>
4910 * config/mips/t-sb1: New file.
4911 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4914 2006-06-26 DJ Delorie <dj@redhat.com>
4916 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4918 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4919 Jayant Sonar <jayants@kpitcummins.com>
4920 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4922 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4923 (subsi3, subsi3_1, subsi3_2): New.
4924 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4925 * config/m32c/mov.md (SI mov peephole): New.
4926 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4927 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4929 2006-06-26 Olivier Hainque <hainque@adacore.com>
4931 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4932 a CALL_EXPR target function declaration.
4934 2006-06-26 Richard Guenther <rguenther@suse.de>
4936 * tree.c (build_string): Do not waste tail padding in
4939 2006-06-26 Richard Guenther <rguenther@suse.de>
4941 * ggc-page.c (init_ggc): Add missing element to size_lookup
4945 2006-06-23 Richard Guenther <rguenther@suse.de>
4947 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4948 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4949 alignment requests instead. Add verification code.
4950 Add struct tree_function_decl and struct tree_binfo size to
4951 extra_order_size_table. Add missing element to size_lookup
4954 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4957 * fold-const.c (const_binop): Be prepared for self returning zero.
4958 Simplify code handling complex values.
4960 2006-06-24 Olivier Hainque <hainque@adacore.com>
4962 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4963 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4966 2006-06-24 Olivier Hainque <hainque@adacore.com>
4968 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4969 ARRAY_REF, so have the callback called for the low bound expression.
4971 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4973 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4974 * c-typeck.c (c_common_type): Disallow operations on decimal float
4975 types and other float types.
4976 * convert.c (convert_to_real): Don't ignore conversions involving
4977 decimal float types.
4979 2006-06-23 Olivier Hainque <hainque@adacore.com>
4981 * tree.c (max_int_size_in_bytes): New function, inspired from
4982 code in function.c:assign_temp.
4983 * tree.h (max_int_size_in_bytes): Declare.
4984 * function.c (assign_temp): Use it.
4985 * gimplify.c (create_tmp_var): Relax the assertions on the type
4986 properties, not mandating constant size any more.
4987 (force_constant_size): New static function.
4988 (gimple_add_tmp_var): Use it, forcing variable size to a
4989 constant upper bound if it is not constant on entry.
4991 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4994 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4995 for initialization and setting of one_only flag to ...
4996 (i386_pe_encode_section_info): ...here.
4997 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4998 Recheck that the symbol has not been defined.
5000 2006-06-23 Richard Guenther <rguenther@suse.de>
5002 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5003 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5004 alignment requests instead. Add verification code.
5005 Add struct tree_function_decl and struct tree_binfo size to
5006 extra_order_size_table. Add missing element to size_lookup
5009 2006-06-22 Roger Sayle <roger@eyesopen.com>
5010 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5013 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
5014 call to lang_hooks.types.type_for_mode returned NULL_TREE.
5016 2006-06-23 Ben Elliston <bje@au.ibm.com>
5018 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
5019 negate dn -- manipulate it directly.
5021 2006-06-22 Roger Sayle <roger@eyesopen.com>
5022 Steven Bosscher <stevenb.gcc@gmail.com>
5025 * reload1.c (gen_reload): Call mark_jump_label on the new insns
5026 generated by gen_move_insn to add REG_LABEL notes if necessary.
5028 2006-06-22 Bob Wilson <bob.wilson@acm.org>
5030 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
5031 (leaf_entry): Remove use of MIN_ESA.
5033 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
5035 PR rtl-optimization/28121
5036 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5039 2006-06-21 DJ Delorie <dj@redhat.com>
5041 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5043 (mulhisi3_r): Likewise.
5045 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5048 * coverage.c (coverage_counter_alloc): Leave the index type
5050 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5053 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5055 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5056 section from the "Options for Code Generation Conventions".
5058 2006-06-21 Richard Henderson <rth@redhat.com>
5062 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5064 (global_symbolic_operand): Allow weak symbols, even if local_p.
5066 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5068 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5069 (find_interesting_uses_address): Punt if above function returns true.
5071 2006-06-21 Richard Guenther <rguenther@suse.de>
5073 * configure: Regenerated.
5075 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5077 * config/mips/mips.c (function_arg): Where one part of a
5078 complex argument is in registers and the other part in the stack,
5079 return a REG not a PARALLEL.
5081 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5083 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5084 when cross-compiling. Do not substitute libstdcxx_incdir.
5085 * configure: Regenerated.
5087 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5089 * varasm.c (mergeable_string_section): Check for embedded NULs and
5090 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5091 rather than TREE_STRING_LENGTH bytes.
5093 2006-06-21 Richard Guenther <rguenther@suse.de>
5095 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5096 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5099 2006-06-21 Richrad Guenther <rguenther@suse.de>
5101 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5102 Limit iteration over the dominators.
5104 2006-06-20 Roger Sayle <roger@eyesopen.com>
5106 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5107 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5109 2006-06-20 Richard Guenther <rguenther@suse.de>
5110 Michael Matz <matz@suse.de>
5112 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5114 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5115 * et-forest.h (et_free_pools): Prototype new function.
5116 * et-forest.c (et_free_tree_force): Free parent occurrence.
5117 (et_free_pools): New function.
5118 * dominance.c (free_dominance_info): Free et-forest alloc
5121 2006-06-20 Roger Sayle <roger@eyesopen.com>
5123 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5124 integer modes, attempt to directly construct an integer constant.
5126 * fold-const.c (native_encode_vector): Determine the size of each
5127 element from the vector type instead of the first vector element.
5129 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5130 if all of its elements/components are constant.
5131 (build_constructor_from_list): Likewise.
5133 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5135 PR tree-optimization/27331
5136 * tree-data-ref.c (free_data_ref): New function.
5137 (create_data_ref): Fail if the data reference has unknown access
5139 (free_data_refs): Use free_data_ref.
5141 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5144 * tree-inline.c (setup_one_parameter): Strip useless
5145 type conversion before adding it to the IR.
5146 (declare_return_variable): Likewise.
5148 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5151 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5153 2006-06-19 Mike Stump <mrs@apple.com>
5155 * tree.c (variably_modified_type_p): VM arguments don't make the
5158 2006-06-19 Richard Guenther <rguenther@suse.de>
5160 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5161 type conversions after folding.
5163 2006-06-19 Richard Guenther <rguenther@suse.de>
5165 * ggc-page.c (extra_order_size_tab): Add entries with
5166 size of struct function and basic_block.
5167 (size_lookup): Extend to cover sizes up to 511.
5168 (ggc_alloc_stat): Adjust user.
5169 (ggc_pch_count_object): Likewise.
5170 (ggc_pch_alloc_object): Likewise.
5171 (ggc_pch_write_object): Likewise.
5173 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5175 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5176 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5179 2006-06-19 Denis Chertykov <denisc@overta.ru>
5181 * config/avr/libgcc.S : Correct my wrong previous commit.
5183 2006-06-19 Roger Sayle <roger@eyesopen.com>
5186 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5187 have stripped a SUBREG from the shift count, so we may need to
5188 convert_to_mode back to the type's mode before calling make_tree.
5189 Use new_amount instead of amount to avoid expanding a tree twice.
5191 2006-06-19 Richard Guenther <rguenther@suse.de>
5194 * fold-const.c (operand_equal_p): Check if the argument types
5195 have the same precision before stripping NOPs.
5197 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5199 Fix PR tree-optimization/27341
5200 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5202 * tree-complex.c (pass_lower_complex): Update SMT usage.
5204 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5206 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5207 Add a new alternative to the constraint strings. Add move of
5208 operand 1 to 3 to the splitter definition.
5209 ("doloop_si_long"): Second contraint alternative removed.
5211 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5213 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5214 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5216 (AVR_HAVE_MOVW) Define.
5217 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5218 (ASM_SPEC): Add avr25.
5219 (LINK_SPEC): Add avr25.
5220 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5221 (base_arch_s): Add new member 'have_movw_lpmx'.
5222 (avr_arch_types): Init 'have_movw_lpmx'.
5223 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5224 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5225 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5226 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5227 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5229 (avr_file_start): Do not output '.arh' derective.
5230 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5231 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5232 * config/avr/avr.md (mcu_enhanced): Delete.
5233 (mcu_have_movw): Define.
5234 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5235 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5236 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5237 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5238 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5239 attiny861 and at86rf401 devices.
5241 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5243 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5246 2006-06-17 Karl Berry <karl@gnu.org>
5248 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5249 doc/gccint.texi, doc/install.texi (@dircategory): Use
5250 "Software development" instead of "Programming", following
5251 the Free Software Directory.
5253 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5255 * config/i386/i386.c (legitimate_tls_address)
5256 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5257 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5258 (*tls_dynamic_gnu2_combine_64): Likewise.
5260 2006-06-16 Richard Guenther <rguenther@suse.de>
5263 * fold-const.c (negate_expr_p): Do not introduce undefined
5264 overflow in negating INTEGER_CSTs.
5265 (fold_negate_expr): Rename from negate_expr. Revert last
5266 change for folding BIT_NOT_EXPR. Change semantics to
5267 return NULL_TREE for non-simplified negations. Do not
5268 strip type conversions and unify type handling.
5269 (negate_expr): New function, wrap around fold_negate_expr
5270 but ensure building a tree always. Strip type conversions
5271 here, fold to result type.
5272 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5274 2006-06-16 Roger Sayle <roger@eyesopen.com>
5277 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5278 that (would) return their results in stack registers.
5280 2006-06-16 Michael Matz <matz@suse.de>
5281 Richard Guenther <rguenther@suse.de>
5283 * fold-const.c (fold_truthop): Only return new tree node if
5284 we canonicalized something.
5286 2006-06-16 Richard Guenther <rguenther@suse.de>
5288 * function.h (enum function_frequency): Move declaration
5289 out of struct function.
5290 (struct function): Move bool fields and the enum to the bitfield
5291 section. Reorder elements to avoid padding. Remove unused
5292 fields left over from the RTL inliner removal.
5293 * function.c (free_after_compilation): Do not zero removed fields.
5294 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5295 (ipa-type-escape.o): Likewise.
5297 2006-06-16 Richard Guenther <rguenther@suse.de>
5299 * cgraph.h (struct cgraph_local_info): Turn bool elements
5301 (struct cgraph_node): Likewise.
5302 (struct cgraph_varpool_node): Likewise.
5304 2006-06-15 Richard Guenther <rguenther@suse.de>
5306 * fold-const.c (fold_truth_not_expr): Rename from
5307 invert_truthvalue. Give it fold_* semantics to avoid
5309 (invert_truthvalue): New function. Wrapper around
5310 fold_truth_not_expr.
5311 (optimize_minmax_comparison): Avoid creating garbage.
5312 (fold_unary): Use fold_truth_not_expr for folding
5314 (fold_ternary): Replace uses of invert_truthvalue with
5315 fold_truth_not_expr where applicable.
5316 * tree.h (fold_truth_not_expr): Prototype.
5318 2006-06-16 Richard Guenther <rguenther@suse.de>
5320 PR tree-optimization/27781
5321 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5322 * ipa-pure-const.c (target.h): Include.
5323 (analyze_function): Do not analyze functions that do not
5326 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5329 * tree-dfa.c (referenced_vars_dup_list): Remove.
5330 (find_referenced_vars): Remove assert.
5331 (referenced_var_check_and_insert): Replace dup list with assert.
5332 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5333 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5335 2006-06-15 Richard Guenther <rguenther@suse.de>
5337 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5338 extra unused identifiers if not dumping.
5339 (create_variable_info_for): Likewise.
5341 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5343 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5344 (derive_constant_upper_bound): Derive more precise upper bound in
5345 common cases. Return type changed to double_int.
5346 (record_estimate): Reflect the changed return type of
5347 derive_constant_upper_bound.
5348 * double-int.c (double_int_zext, double_int_sext): Fix.
5350 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5352 * configure.ac (CFLAGS): Get them from the toplevel or from the
5353 configure invocation.
5354 * configure: Regenerate.
5355 * Makefile.in (CFLAGS): Substitute value provided by configure.
5357 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5360 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5361 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5362 rather than calling add_stmt on it.
5363 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5365 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5368 * reload1.c (reload): Remove registers returned by update_eliminables
5369 from used_spill_regs.
5371 2006-06-13 DJ Delorie <dj@redhat.com>
5373 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5375 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5377 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5378 html__strip_dir, html__mkdir_p. Enhance install-html target.
5379 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5380 * configure: Regenerate.
5382 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5384 * fold-const.c (fold_cond_expr_with_comparison): Check for
5385 Objective-C++ as language in deciding COND_EXPR transformation.
5387 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5390 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5391 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5392 * config/sh/lib1funcs.h (SL, SL1): Define.
5393 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5394 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5395 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5396 (OBJS_Os_4_200): New variable.
5397 ($(T)libgcc-Os-4-200.a): Use it.
5398 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5399 when dividing 1 and/or by 0.
5401 2006-06-13 Roger Sayle <roger@eyesopen.com>
5403 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5404 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5405 * configure: Regenerate.
5407 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5409 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5410 for real instruction.
5412 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5415 * haifa-sched.c (check_cfg): Handle special case.
5417 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5420 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5421 Add debug_info parameter. Chain the vars to the BLOCK instead
5422 of the BIND_EXPR if debug info are requested for them.
5423 (pop_gimplify_context): Adjust for above change.
5424 (gimple_add_tmp_var): Likewise.
5425 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5427 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5428 (convert_local_reference): Likewise.
5429 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5430 (finalize_nesting_tree_1): Request that debug info be emitted
5431 for debug_var_chain.
5433 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5435 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5436 for PR target/27863.
5438 2006-06-13 Richard Guenther <rguenther@suse.de>
5441 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5443 2006-06-13 Richard Guenther <rguenther@suse.de>
5445 PR tree-optimization/27830
5446 * tree-inline.c (copy_body_r): For copying the operand
5447 of an ADDR_EXPR make sure to fold &* afterwards.
5449 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5451 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5452 lvalues in the fb_none case with side-effects.
5454 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5456 * tree-flow.h: Remove the prototype for
5457 compute_phi_arg_on_exit.
5458 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5459 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5462 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5464 * builtins.c (expand_builtin_return_addr): Only use
5465 frame_pointer_rtx when count == 0 and we are expanding
5466 __builtin_return_address.
5468 2006-06-12 Fred Fish <fnf@specifix.com>
5470 * config/mips/mips.c (mips_file_start): Create special section
5471 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5473 2006-06-11 Eric Christopher <echristo@apple.com>
5476 * stor-layout.c (place_field): Remove check for
5477 remaining_in_alignment when aligning at the end of a run.
5479 2006-06-11 Eric Christopher <echristo@apple.com>
5482 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5485 2006-06-11 Roger Sayle <roger@eyesopen.com>
5488 Revert incorrect fix for PR target/27158
5489 2006-05-08 Roger Sayle <roger@eyesopen.com>
5490 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5491 of a reg_equiv_constant if the result is a legitimate constant.
5493 2006-06-11 Roger Sayle <roger@eyesopen.com>
5496 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5497 extract a CONST_VECTOR element and interpret it as an integer.
5498 (vspltis_constant): Use const_vector_elt_as_int instead of the
5499 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5500 * config/rs6000/predicates.md (easy_vector_const): Consider
5501 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5503 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5506 * stor-layout.c (update_alignment_for_field): Don't add extra
5507 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5510 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5512 * config/mips/t-rtems: Add EL/EB multilib variants.
5514 2006-06-09 Mike Stump <mrs@apple.com>
5516 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5518 2006-06-09 David Daney <ddaney@avtrex.com>
5520 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5522 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5524 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5526 2006-06-09 Richard Guenther <rguenther@suse.de>
5528 PR tree-optimization/26998
5529 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5530 of signed types, only TYPE_MIN_VALUE is special, but for both,
5531 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5532 in this case, as is -fwrapv.
5534 2006-06-08 Mike Stump <mrs@apple.com>
5537 * config/darwin.c (darwin_asm_output_anchor): Disable
5538 -fsection-anchors on darwin for now.
5539 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5540 * rs6000/rs6000.c (optimization_options): Likewise.
5542 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5545 * config/i386/i386.c (classify_argument): Skip fields with invalid
5548 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5550 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5551 (cse_insn): Likewise for the stack_pointer_rtx.
5553 2006-06-08 Roger Sayle <roger@eyesopen.com>
5555 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5556 conditions from floating point comparisons.
5558 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5561 * expmed.c (struct alg_hash_entry): Fix type of field T
5562 to match synth_mult argument.
5563 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5565 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5568 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5571 2006-06-08 Richard Guenther <rguenther@suse.de>
5574 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5575 only, if overflow is defined and not trapping.
5576 (negate_expr): Likewise.
5578 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5580 PR tree-optimization/27872
5581 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5582 flag on the new exit edge of the unrolled loop.
5584 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5586 PR rtl-optimization/26449
5587 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5589 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5592 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5593 referenced_variables with matching DECL_UID's.
5594 (find_referenced_vars): Make sure duplicate list is empty to start.
5595 (referenced_var_p): Remove.
5596 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5597 Check if var is in the list, and add if needed. Update the duplicate
5598 list if a different var is in the list with the same DECL_UID.
5599 (add_referenced_var): Call routine to check and insert.
5600 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5601 * tree-flow.h (referenced_vars_dup_list): External declaration.
5603 2006-06-07 Fred Fish <fnf@specifix.com>
5605 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5608 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5611 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5612 the imaginary and real parts of a clobbered register.
5613 Emit insn to set the imaginary part.
5615 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5617 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5618 in lieu of unwind-dw2-fde.c.
5620 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5622 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5624 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5627 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5628 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5629 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5630 V4SImode temporaries and operations instead.
5632 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5634 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5637 2006-06-06 Mike Stump <mrs@apple.com>
5639 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5640 installing during build.
5642 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5644 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5646 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5647 * config/ia64/ia64.c (params.h): New header.
5648 (ia64_optimization_options): New function to adjust parameters.
5649 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5650 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5651 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5653 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5655 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5657 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5660 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5662 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5663 Victor Kaplansky <victork@il.ibm.com>
5665 PR tree-optimization/26360
5666 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5669 2006-06-04 Roger Sayle <roger@eyesopen.com>
5670 Andrew Pinski <pinskia@physics.uc.edu>
5673 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5674 for LABEL_DECL before calling DECL_WEAK.
5677 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5678 LABEL_DECL and PARM_DECL.
5680 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5684 * c-decl.c (grokdeclarator): Disallow variably modified types at
5685 file scope. Avoid marking shared array type of constant size as
5688 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5691 * c-common.c (fold_offsetof_1): Handle static members.
5693 2006-06-04 Eric Christopher <echristo@apple.com>
5695 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5696 (debug_rli): Output value for remaining_in_alignment.
5697 (update_alignment_for_field): Unconditionalize
5698 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5699 extra alignment code.
5700 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5701 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5702 * tree.h (record_layout_info_s): Remove prev_packed.
5703 * doc/extend.texi (ms_struct): Add documentation of format.
5705 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5707 * tree.h: Declare folding_initializer.
5708 * builtins.c (fold_builtin_constant_p): Give definite answer
5709 if folding inside an initializer.
5710 * fold-const.c: Define folding_initializer.
5711 (START_FOLD_INIT): Save and then set folding_initializer.
5712 (END_FOLD_INIT): Restore folding_initializer.
5714 2006-06-04 Richard Guenther <rguenther@suse.de>
5716 PR tree-optimization/27039
5717 * fold-const.c (fold_comparison): Handle pointer comparison
5718 again for all comparison codes. Compare offsets in signed
5720 (fold_binary): Move code from here.
5722 2006-06-03 Roger Sayle <roger@eyesopen.com>
5725 * config/i386/i386.c (construct_container): Split static issued_error
5726 flag into issued_sse_arg_error, issued_sse_ret_error and
5727 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5728 requires the use of x87 registers and the user explicitly
5729 specified the -mno-80387 command line option.
5731 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5733 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5734 HAVE_DECL_SIGALTSTACK.
5736 (segv_handler): Use MC_FLD.
5737 * configure.ac: Check for a sigaltstack declaration.
5738 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5739 * configure: Regenerate.
5740 * config.in: Regenerate.
5742 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5745 * Makefile.in (stmp-fixinc): Fix typo.
5747 2006-06-02 Roger Sayle <roger@eyesopen.com>
5749 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5750 are type correct. Clean-up.
5751 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5752 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5754 2006-06-01 DJ Delorie <dj@redhat.com>
5756 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5757 shift, as we've disabled the "switch" insn that needs it.
5759 2006-06-01 Per Bothner <bothner@bothner.com>
5761 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5762 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5763 * c-ppoutput.c (cb_define): Don't increment line 0.
5765 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5767 * doc/invoke.texi: Add cpu_type power6.
5768 * config.gcc: Add cpu_type power6.
5769 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5770 to power5+ with Altivec.
5771 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5772 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5774 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5776 * config/avr/avr.h (SET_ASM_OP): Define.
5778 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5780 * config/bfin/bfin.c: Fix comment typos.
5782 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5785 * doc/install.texi: Document --enable-bootstrap and
5786 --disable-bootstrap.
5788 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5790 * doc/install.texi: Document that InfoZIP can replace jar.
5792 2006-05-31 Roger Sayle <roger@eyesopen.com>
5794 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5795 isn't available, directly generate the simpler x87 patterns without
5796 the (use (const_int 0)).
5797 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5798 implementation isn't available.
5799 (*negdf2_1): Likewise.
5800 (*negxf2_1): XF mode negation is always done using the x87.
5801 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5803 2006-05-31 Roger Sayle <roger@eyesopen.com>
5805 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5806 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5808 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5810 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5812 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5813 * config/bfin/bfin.c (basic-block.h): Include.
5814 (struct machine_function): New.
5815 (bfin_init_machine_status): New.
5816 (override_options): Initialize init_machine_status.
5817 (bfin_hardware_loop): New.
5818 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5819 (DEF_VEC_P (loop_info)): New.
5820 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5821 (struct loop_info): New.
5822 (loop_info): New typedef.
5823 (struct loop_work): New.
5824 (loop_work): New typedef.
5825 (DEF_VEC_O (loop_work)): New.
5826 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5827 (bfin_dump_loops): New.
5828 (bfin_bb_in_loop): New.
5829 (bfin_scan_loop): New.
5830 (bfin_optimize_loop): New.
5831 (bfin_reorg_loops): New.
5832 (bfin_reorg): Use bfin_reorg_loops.
5833 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5835 (I_REGNO_P): Simplify.
5836 (DP_REGNO_P, DPREG_P): New macros.
5837 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5838 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5839 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5840 Add LT_REGS, LC_REGS, LB_REGS.
5841 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5843 (REGNO_REG_CLASS): Deal with loop registers.
5844 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5846 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5847 New constants for loop registers.
5848 (UNSPEC_LSETUP_END): New.
5849 (seq_insns): New define_attr. Set it for appropriate insns.
5850 (movsi_insn): Add alternatives for move from/to
5851 loop count registers.
5852 (doloop_end): New define_expand.
5853 (loop_end): New define_insn.
5854 (define_split for bad doloop_end): New.
5855 (lsetup_with_autoinit): New define_insn.
5856 (lsetup_without_autoinit): New define_insn.
5857 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5858 * config/bfin/predicates.md (lc_register_operand): New.
5859 (lt_register_operand): New.
5860 (lb_register_operand): New.
5861 (nondp_register_operand): New.
5862 (nondp_reg_or_memory_operand): New.
5863 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5865 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5867 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5868 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5870 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5872 * Makefile.in (CATALOGS): Add po/ prefix.
5873 * configure: Regenerated.
5875 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5878 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5879 a shift operand before calling shift_op. Avoid redundant call of
5882 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5883 DJ Delorie <dj@redhat.com>
5885 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5886 we're inserting is a singlt-bit constant.
5888 2006-05-30 Roger Sayle <roger@eyesopen.com>
5890 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5891 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5893 2006-05-30 Roger Sayle <roger@eyesopen.com>
5895 PR tree-optimization/23452
5896 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5897 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5898 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5899 complex values and with -ffast-math for FP complex values.
5901 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5903 * c-common.h: Remove the prototype for yyparse.
5904 * rtl.h: Remove the prototype for init_loop.
5906 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5908 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5911 2006-05-30 Roger Sayle <roger@eyesopen.com>
5913 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5915 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5916 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5918 2006-05-30 Dirk Mueller <dmueller@suse.de>
5921 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5922 for CONSTANT_CLASS_P expresisons.
5924 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5927 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5929 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5931 PR tree-optimization/27779
5932 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5933 initial_condition instead of CHREC_LEFT.
5935 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5937 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5938 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5939 Make prototypes ISO C90.
5941 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5942 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5944 * see.c (see_analyze_one_def): Correct check.
5945 (see_get_extension_data): Check if extension is parallel.
5946 (see_get_extension_reg): Likewise.
5948 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5951 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5952 into register for (code == GTU).
5954 2006-05-29 Roger Sayle <roger@eyesopen.com>
5956 PR tree-optimization/24964
5957 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5958 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5959 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5960 abs(x)*abs(x) as x*x for scalar floating point modes.
5962 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5965 * lambda-code.c (perfect_nestify): Don't copy statements
5966 in the inner loop: move them to the inner loop header.
5968 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5971 * c-tree.texi: Document OpenMP directives and clauses.
5973 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5975 * varasm.c (globalize_decl): Fix indentation.
5977 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5980 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5981 pass_fre, pass_store_ccp, pass_copy_prop,
5982 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5983 pass_return_slot, pass_object_size, pass_lim,
5984 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5985 pass_loop_prefetch and pass_stdarg.
5987 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5989 * config/bfin/bfin.opt (mfdpic): New option.
5990 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5991 (EXTRA_MULTILIB_PARTS): Likewise.
5992 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5993 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5995 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5996 (CRT_CALL_STATIC_FUNCTION): New.
5997 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5999 (CRT_CALL_STATIC_FUNCTION): New.
6000 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
6002 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
6003 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
6004 (initialize_trampoline): Changed to handle FD-PIC code generation.
6005 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
6006 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
6007 (override_options): Disallow -mid-shared-library -mfdpic combination.
6008 Can't do unaligned ops if FD-PIC.
6009 Turn off flag_pic if trying to generate non-id-shared-library
6010 non-fdpic code, since it's not supported.
6011 (bfin_assemble_integer): New function.
6012 (TARGET_ASM_INTEGER): Define.
6013 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
6015 * config/bfin/crtn.s: Restore them.
6016 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
6018 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
6019 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
6020 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
6021 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
6022 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
6024 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
6025 FDPIC_REGS and FDPIC_FPTR_REGS.
6026 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
6027 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
6028 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
6029 (load_funcdescsi): New pattern.
6030 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
6031 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
6032 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6034 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6036 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6039 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6041 * tree-flow.h: Remove the prototype for add_type_alias.
6042 * tree-ssa-alias.c (add_type_alias): Remove.
6044 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6046 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6047 config/fr30/fr30.md, config/i386/i386-interix.h,
6048 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6049 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6050 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6051 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6052 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6053 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6054 Follow spelling conventions.
6055 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6056 Follow spelling conventions.
6058 2006-05-27 Richard Guenther <rguenther@suse.de>
6061 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6062 to produce a constant of value 1 of generic type.
6064 2006-05-27 Dirk Mueller <dmueller@suse.de>
6066 * cgraphunit.c (decide_is_function_needed): Fix wrong
6069 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6071 PR rtl-optimization/27661
6072 * reload.c (find_reloads): When reloading a VOIDmode constant
6073 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6074 use Pmode as mode of the reload register.
6076 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6078 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6079 is enabled at -O and above.
6081 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6084 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6087 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6090 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6091 for anonymous variables explicitly declared by front ends.
6093 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6095 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6096 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6097 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6098 ref-all pointers, run a finalization pass for them.
6099 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6100 (finalize_ref_all_pointers): New function.
6101 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6102 regular pointer type to a ref-all pointer type.
6103 (get_tmt_for): Return the special memory tag for ref-all pointers.
6105 2006-05-25 Richard Guenther <rguenther@suse.de>
6108 * fold-const.c (fold_binary): Do not look at the stripped
6109 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6111 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6113 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6114 for LT and GT if the computed range is effectively empty.
6116 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6119 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6120 mips_quad_format formats instead of ieee_single_format,
6121 ieee_double_format and ieee_quad_format formats, respectively.
6123 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6125 PR tree-optimization/27639
6126 PR tree-optimization/26719
6127 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6128 call to scev_probably_wraps_p.
6129 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6130 used_in_pointer_arithmetic_p, convert_step): Removed.
6131 (nowrap_type_p): New function.
6132 (scev_probably_wraps_p): Rewritten.
6133 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6134 chrec_convert if chrec_convert_aggressive might have been used.
6135 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6136 scev_direction): New functions.
6137 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6138 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6139 instead of convert_step.
6140 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6141 (convert_step): Declaration removed.
6142 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6144 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6146 * df-core.c: Added to header comments.
6147 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6148 df_ur_bb_info, df_urec_bb_info): Added comments.
6149 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6150 urec, ri problems): Fixed header comments.
6151 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6152 code from df_rd_transfer_function.
6154 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6156 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6157 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6158 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6160 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6162 * expr.c (undefined_operand_subword_p): New.
6163 (emit_move_multi_word): Do not generate move from undefined bits
6164 of a paradoxical subreg.
6166 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6168 PR rtl-optimization/27736
6169 * combine.c (replaced_rhs_value): New variable.
6170 (combine_instructions): Set it.
6171 (distribute_notes): When distributing a note in replaced_rhs_insn,
6172 check whether the value was used in replaced_rhs_value.
6174 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6177 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6178 add_referenced_var instead of add_referenced_tmp_var.
6179 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6180 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6182 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6183 tree_optimize_tail_calls_1): Use add_referenced_var.
6184 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6185 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6186 Use add_referenced_var.
6187 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6188 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6189 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6190 Use add_referenced_var.
6191 * tree-dfa.c (struct walk_state): Remove.
6192 (find_referenced_vars): Remove walk state and vars_found hash table.
6193 (make_rename_temp): Use add_referenced_var.
6194 (find_vars_r): Pass less parameters to add_referenced_var.
6195 (referenced_var_p): New. Is var in referenced_var hash table.
6196 (referenced_var_insert): Assert var isn't already in hash table.
6197 (add_referenced_var): Don't need walk_state parameter. Add var if it
6198 isn't already in the hash table.
6199 (add_referenced_tmp_var): Remove.
6200 (find_new_referenced_vars_1): Use add_referenced_var.
6201 * tree-ssa-pre.c (create_expression_by_pieces,
6202 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6203 Use add_referenced_var.
6204 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6205 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6206 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6208 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6209 vect_create_data_ref_ptr, vect_create_destination_var,
6210 vect_init_vector, vect_build_loop_niters,
6211 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6212 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6213 Use add_referenced_var.
6214 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6215 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6216 (add_referenced_var): Add prototype.
6217 * tree-ssa-structalias.c (get_constraint_for,
6218 intra_create_variable_infos): Use add_referenced_var.
6220 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6222 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6223 big-endian paradoxical subregs.
6224 * var-tracking.c (struct micro_operation_def): Document that,
6225 for modify micro operations, insn is the subsequent instruction.
6226 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6227 (var_reg_set, var_mem_set): ... new functions.
6228 (add_stores): Record subsequent insn.
6229 (compute_bb_dataflow): Use new functions for MO_USE.
6230 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6231 notes after the insn, and modify notes before the insn known
6232 to be the subsequent one.
6233 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6235 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6238 * config/i386/i386.c (ix86_expand_builtin): Use
6239 gen_sse3_monitor64 for TARGET_64BIT.
6241 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6243 PR rtl-optimization/26375
6244 PR rtl-optimization/26855
6245 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6247 (df_ru_bb_local_compute): Reversed statements and removed bogus
6248 comment explaining why they should be in wrong order.
6249 (df_ru_dump, df_rd_dump): Enhanced debug info.
6250 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6252 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6253 reaching uses and fixed space problem.
6255 2006-05-23 Jan Hubicka <jh@suse.cz>
6257 * cgraphunit.c (decide_is_function_needed): Also nested functions
6258 and functions declared inline can be optimized out at -O0.
6260 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6262 * doc/install.texi (Configuration): Remove reference to CrossGCC
6266 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6269 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6270 ix86_compare_emitted is non-NULL.
6272 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6275 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6278 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6280 PR rtl-optimization/25514
6281 * combine.c (replaced_rhs_insn): New variable.
6282 (combine_instructions): Set replaced_rhs_insn when trying to replace
6283 a SET_SRC with a REG_EQUAL note.
6284 (distribute_notes): Use replaced_rhs_insn when determining the live
6285 range of a REG_DEAD register.
6287 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6288 Anatoly Sokolov <aesok@post.ru>
6290 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6291 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6292 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6293 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6294 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6295 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6296 at90usb647, at90usb1286 and at90usb1287 devices.
6297 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6298 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6300 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6302 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6304 2006-05-22 Richard Guenther <rguenther@suse.de>
6307 2006-01-31 Richard Guenther <rguenther@suse.de>
6308 Paolo Bonzini <bonzini@gnu.org>
6310 * doc/install.texi (--disable-libgcc-math): Document.
6312 2006-05-22 Richard Guenther <rguenther@suse.de>
6315 2006-01-31 Richard Guenther <rguenther@suse.de>
6317 * doc/invoke.texi (-msselibm): Document.
6318 * target.h (expand_library_builtin): New target hook.
6319 * builtins.c (expand_builtin): Use expand_library_builtin.
6320 (default_expand_library_builtin): New function.
6321 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6322 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6323 (link_gcc_math_spec): Declare.
6324 (static_specs): Add link_gcc_math_spec.
6325 * expr.h (default_expand_library_builtin): Declare.
6326 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6327 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6328 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6329 * config/i386/i386.opt (msselibm): New target option.
6330 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6331 (ix86_init_sse_abi_builtins): New function.
6332 (ix86_expand_library_builtin): Likewise.
6333 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6334 (override_options): Handle error conditions wrt -msselibm.
6335 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6336 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6337 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6340 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6343 * c-common.c (self_promoting_args_p): Skip erroneous args.
6346 * c-decl.c (finish_struct): Skip erroneous fields.
6348 2006-05-22 Nick Clifton <nickc@redhat.com>
6350 * config/cris/cris.opt (march): Remove VarExists attribute.
6351 (max-stackframe=): Likewise.
6353 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6355 * doc/rtl.texi: Fix a typo.
6356 * see.c: Fix comment typos.
6358 * tree-ssa-structalias.h (alias_info): Remove num_references.
6360 2006-05-21 Mike Stump <mrs@apple.com>
6362 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6364 (darwin_pragma_options): Use BAD instead.
6365 (darwin_pragma_unused): Likewise.
6366 (darwin_pragma_ms_struct): Likewise.
6368 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6370 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6372 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6374 PR rtl-optimization/27671
6375 * simplify-rtx.c (simplify_relational_operation_1): Fix
6376 simplifications of (eq/ne (xor x y) y) and
6377 (eq/ne (xor x y) x).
6379 PR tree-optimization/26622.
6380 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6383 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6385 * tree-cfg.c: Prune whitespace.
6386 (debug_tree_cfg): Point to correct header containing the
6389 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6392 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6394 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6397 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6398 or sorry count is non zero.
6400 2006-05-20 Andreas Schwab <schwab@suse.de>
6402 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6404 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6405 Kenneth Zadeck <zadeck@naturalbridge.com>
6407 PR rtl-optimization/26855
6409 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6411 (df_scan_alloc): Added code to properly handle multiword hard
6412 registers and add all_blocks parameter.
6413 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6414 code to properly handle multiword hard registers.
6415 (df_rescan_blocks): Added code to remove deleted blocks from
6417 (df_ref_create_structure, df_ref_record): Added code to properly
6419 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6420 and set DF_REF_PARTIAL.
6421 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6422 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6423 (df_scan_add_problem): Added flags parameter.
6424 (df_ref_create_structure): Changed switching structure.
6425 (df_bb_refs_record): Fixed case where duplicate artificial refs
6426 were created. Changed location of flags.
6427 (df_record_entry_block_defs): Added code to make stack pointer
6428 live in entry block. Refined cases where frame pointer is needed.
6429 Changed location of flags.
6430 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6431 (df_set_state): Removed function.
6432 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6433 df_insn_create_insn_record, df_insn_refs_delete,
6434 df_ref_create_structure): Formatting changes.
6435 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6436 df_delete_basic_block): New function.
6437 (df_init): Changed location of flags.
6438 (df_add_problem): Added flags parameter and the way flags are
6440 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6441 debug_df_chain): Improved debugging output.
6442 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6443 (df_refs_chain_dump): Removed df parameter.
6444 (df_iterative_dataflow): Added consistency check.
6445 (df_prune_to_subcfg): Made public.
6446 (df_analyze_problem): Added blocks_to_init parameter and made
6448 (df_ref_record, df_bb_refs_record, df_mark_reg,
6449 df_record_exit_block_uses): Whitespace changes.
6450 (df_dump): Whitespace changes.
6451 * df.h: Some reordering to remove forward references.
6452 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6453 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6454 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6455 (dataflow.flags): New field.
6456 (df.flag): Deleted field.
6457 (df_alloc_function): Added additional bitmap parameter.
6458 (df_dependent_problem_function): New type.
6459 (df_problem.changeable_flags): New field.
6460 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6461 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6462 (df_mw_hardreg): New struct.
6463 (DF_INSN_UID_MWS): New macro.
6464 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6466 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6467 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6468 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6469 (df_set_state): Removed function.
6470 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6471 * df-problems.c (df_chain_dump): Removed df parameter.
6472 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6473 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6475 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6476 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6477 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6478 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6479 DF_REF_MUST_CLOBBER cases.
6480 (df_ru_bb_local_compute_process_def,
6481 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6482 df_lr_bb_local_compute, df_ur_bb_local_compute,
6483 df_chain_create_bb): Made subreg aware.
6484 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6485 df_lr_bb_local_compute, df_lr_bb_local_compute,
6486 df_chain_create_bb): Cleanup to use proper macros.
6487 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6488 code to fixup bitvectors.
6489 (df_ri_alloc): Cleared lifetime.
6490 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6491 df_create_unused_note): New function.
6492 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6493 REG_DEAD and REG_UNUSED notes as well as register information.
6494 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6495 df_chains_dump): Fixed crash if problem was never run.
6496 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6497 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6498 df_ri_add_problem): Processes flags in uniform manner.
6499 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6500 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6501 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6502 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6503 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6504 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6505 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6506 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6507 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6508 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6509 * see.c (see_initialize_data): Ditto.
6510 * final.c (rest_of_clean_state) Added regstack_completed.
6511 * rtl.h (regstack_completed): Ditto.
6512 * reg-stack.c (regstack_completed): Ditto.
6514 2006-05-19 Mike Stump <mrs@apple.com>
6516 * c-tree.h (default_conversion): Remove.
6517 * c-common.h (default_conversion): Add.
6519 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6521 * tree-vrp.c (valid_value_p): New function.
6522 (adjust_range_with_scev): Fail if the value of bound is not
6525 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6527 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6528 (mips_fallback_frame_state): Use syscall numbers to determine
6529 the appropriate li instruction for the current ABI. Only use
6530 __NR_sigreturn for o32.
6532 2006-05-19 Nicolas Setton <setton@adacore.com>
6534 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6535 * langhooks.c (lhd_dwarf_name): New function.
6536 * langhooks-def.h (lhd_dwarf_name): Declare.
6537 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6538 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6539 * ada/misc.c (gnat_dwarf_name): New function.
6540 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6542 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6544 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6546 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6547 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6548 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6549 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6550 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6551 determine the size of Wtype, etc.
6552 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6553 (swfloatfuncs): New variable.
6554 (dwfloatfuncs): Likewise.
6555 (lib2funcs): Remove floating-point conversion functions from
6556 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6557 the set of conversion routines needed. Allow entries to specify
6558 an object name, filename and word size. Update users accordingly.
6559 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6560 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6564 2006-02-08 Roger Sayle <roger@eyesopen.com>
6567 * config/fixtfdi.c: New libgcc source file.
6568 * config/fixunstfdi.c: New source file.
6569 * config/floatditf.c: New source file.
6570 * config/floatunditf.c: New souce file.
6571 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6572 files above instead of config/mips/_tilib.c.
6573 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6575 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6577 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6578 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6580 2006-05-18 Mike Stump <mrs@apple.com>
6582 Fix up vla, vm and [*] sematics.
6588 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6589 (c_vla_unspec_p): Add.
6590 (c_vla_type_p): Add.
6591 * c-decl.c (struct c_scope): Add had_vla_unspec.
6592 (build_array_declarator): Add support for [*].
6593 (grokdeclarator): Likewise.
6594 (grokparms): Likewise.
6595 (get_parm_info): Likewise.
6596 * c-objc-common.c (c_vla_unspec_p): Likewise.
6597 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6598 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6599 typeof when argument is a variably modified type not inside sizeof or alignof.
6600 (c_parser_direct_declarator_inner): Propagate errors.
6601 (c_parser_sizeof_expression): Add support for [*].
6602 (c_parser_parms_declarator): Initialize had_vla_unspec.
6603 (c_parser_parms_list_declarator): Likewise.
6604 * c-typeck.c (c_vla_type_p): Add.
6605 (composite_type): Add support for vla compositing.
6606 (comptypes_internal): Add support for vla compatibility.
6607 (c_expr_sizeof_expr): Evaluate vla arguments.
6608 * tree.c (variably_modified_type_p): Update comment for [*].
6610 2006-05-18 Michael Matz <matz@suse.de>
6613 * config.host: Make assignments to host_xmake_file cumulative.
6614 * config.host (*-darwin*): Test $host, not $target.
6616 2006-05-12 Stuart Hastings <stuart@apple.com>
6618 * config/i386/i386.opt (-mstackrealign): New flag.
6619 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6620 (ix86_handle_cconv_attribute): Emit error when
6621 force_align_arg_pointer attribute collides with too many regparms.
6622 (ix86_function_regparm): Limit regparms when used with
6623 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6624 Support stack-realigning prologue in non-main functions. Emit
6625 warning for nested functions under -mstackrealign, emit error for
6626 nested functions with force_align_arg_pointer attribute.
6627 * doc/extend.texi (force_align_arg_pointer): Document it.
6628 * doc/invoke.texi (-mstackrealign): Document it.
6630 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6632 PR rtl-optimization/27477
6633 * combine.c (try_combine): Don't split a parallel consisting
6634 of two sets into two individual sets if both sets reference
6637 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6639 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6640 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6642 * doc/options.texi (VarExists): Updated.
6644 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6646 * unwind-dw2.c: Add declarations for uw_update_context and
6648 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6649 detected, advance frame state and context once to skip over stub.
6651 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6655 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6656 Call rewrite_into_loop_closed_ssa only when something changed.
6657 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6658 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6659 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6660 Test for perfect_nest_p here. Fix formating.
6661 (replace_uses_equiv_to_x_with_y): Fix formating.
6662 (stmt_uses_op): Removed.
6663 (can_convert_to_perfect_nest): Removed loopivs parameter.
6664 Complete the test by checking the scalar dependences.
6665 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6668 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6671 From Dan Kegel <dank@kegel.com>:
6672 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6674 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6676 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6677 if the element type is variably modified without recursing.
6679 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6682 * tree-loop-linear.c (try_interchange_loops): Test for
6683 no data dependences.
6685 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6687 PR tree-optimization/27548
6688 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6689 range of ssa names that appear on abnormal edges.
6690 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6691 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6693 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6696 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6698 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6701 * tree.h (OMP_PARALLEL_COMBINED): Define.
6702 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6703 (new_omp_context): Add is_combined_parallel argument.
6704 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6705 new_omp_context caller.
6706 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6707 Adjust gimplify_scan_omp_clauses callers.
6708 (omp_is_private): Issue errors if iteration variable is firstprivate
6709 or reduction in the current context.
6710 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6711 on combined parallel workshare constructs.
6713 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6715 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6716 (gcc-options.o): New rule.
6718 * optc-gen.awk: Protect variables for gcc-options.o with
6719 #ifdef GCC_DRIVER/#endif.
6721 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6723 Fix PR tree-optimization/27373
6724 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6725 (forward_propagate_addr_expr): Update call.
6727 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6729 * doc/options.texi: Move the Negative option.
6731 2006-05-16 Richard Guenther <rguenther@suse.de>
6733 PR tree-optimization/22303
6734 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6736 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6737 ccp_fold did not simplify the statement.
6739 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6742 * Makefile.in (GCC_OBJS): New.
6743 (OBJS-common): Add opts-common.o.
6744 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6745 (cpp$(exeext)): Likewise.
6746 (gcc.o): Also depend on opts.h.
6747 (opts-common.o): New.
6749 * common.opt (gcoff): Add Negative(gdwarf-2).
6750 (gdwarf-2): Add Negative(gstabs).
6751 (gstabs): Add Negative(gstabs+).
6752 (gstabs+): Add Negative(gvms).
6753 (gvms): Add Negative(gxcoff).
6754 (gxcoff): Add Negative(gxcoff+).
6755 (gxcoff+): Add Negative(gcoff).
6756 * config/i386/i386.opt (m32): Add Negative(m64).
6757 (m64): Add Negative(m32).
6759 * doc/options.texi: Document the Negative option.
6761 * gcc.c: Include "opts.h".
6762 (main): Call prune_options after expandargv.
6764 * optc-gen.awk: Generate common declarations for all flag
6765 variables in options.c. Output the neg_index field.
6767 * opts.c (find_opt): Moved to ...
6768 * opts-common.c: Here. New file.
6770 * opts.h (cl_option): Add a neg_index field.
6772 (prune_options): Likewise.
6774 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6777 * omp-low.c (expand_omp_parallel): Don't assert
6778 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6779 instead search for it.
6782 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6785 2006-05-16 Andreas Schwab <schwab@suse.de>
6787 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6790 2006-05-15 Roger Sayle <roger@eyesopen.com>
6793 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6794 integer constants other than zero are only legitimate on TARGET_64BIT.
6795 <CONST_VECTOR> Only zero vectors are legitimate.
6796 (ix86_cannot_force_const_mem): Integral and vector constants can
6797 always be put in the constant pool.
6799 2006-05-16 DJ Delorie <dj@redhat.com>
6801 * crtstuff.c (__dso_handle): Set section from
6802 TARGET_LBIGCC_SDATA_SECTION if defined.
6803 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6804 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6806 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6809 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6812 2006-05-16 Ben Elliston <bje@au.ibm.com>
6814 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6816 2006-05-15 Per Bothner <per@bothner.com>
6818 * tree.c: (last_annotated_node): Use source_locus typedef.
6819 This permits bootstrapping with --enable-mapped-location.
6821 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6823 PR tree-optimization/26830
6824 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6825 (info_for_ssa_name, current_info_for_ssa_name_age,
6826 blocks_to_update): New variables.
6827 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6828 (clear_ssa_name_info, initialize_flags_in_bb,
6829 mark_block_for_update): New functions.
6830 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6831 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6832 prepare_def_site_for): Use mark_block_for_update.
6833 (mark_def_interesting): Assert that the processed block is marked in
6834 blocks_to_update. Do not take blocks argument.
6835 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6837 (rewrite_update_init_block, rewrite_update_stmt): Only process
6838 blocks with statements to rewrite.
6839 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6840 (update_ssa): Initialize and free blocks_to_update. Do not
6841 clear flags on statements. Do not use blocks bitmap.
6842 * tree.h (SSA_NAME_AUX): Removed.
6843 (struct tree_ssa_name): Removed aux field.
6844 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6846 2006-05-15 Richard Guenther <rguenther@suse.de>
6848 PR tree-optimization/27603
6849 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6850 Do computations in original type.
6852 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6854 * see.c: Code style changes such as redundant paranthesis,
6855 redundant intialization of local variables etc.
6856 (see_main): Declared now as static.
6857 * doc/invoke.texi: Update that -fsee is not enabled by
6860 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6862 * omp-low.c (check_omp_nesting_restrictions): New function.
6863 (scan_omp_1): Call it.
6866 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6867 construct, return *VAR.
6869 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6871 PR rtl-optimization/27406
6872 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6875 2006-05-14 Roger Sayle <roger@eyesopen.com>
6877 PR rtl-optimization/27538
6878 * combine.c (expand_compound_operation): Call gen_lowpart
6879 before calling simplify_shift_const.
6881 2006-05-14 Roger Sayle <roger@eyesopen.com>
6883 PR rtl-optimization/22563
6884 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6885 a fixed width bitfield, always force the intermediates into psuedos.
6887 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6890 * mkconfig.sh: Use operator = instead of == for test.
6892 2006-05-13 Nick Clifton <nickc@redhat.com>
6894 * dwarf2out.c (dbx_reg_number): Check return value from
6895 LEAF_REG_REMAP and only use it if it is valid.
6896 (multiple_reg_loc_descriptor): Likewise.
6898 2006-05-13 Richard Guenther <rguenther@suse.de>
6900 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6903 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6905 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6906 information attached to non-INSNs such as NOTEs.
6907 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6909 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6911 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6913 * config/s390/s390.md: Adjust comment describing On constraint.
6915 2006-05-11 Jan Hubicka <jh@suse.cz>
6917 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6918 to be output at -O0.
6920 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6923 * fold-const.c (size_binop): Move sanity check for arguments to
6924 the beginning of the function.
6927 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6930 2006-05-11 Richard Guenther <rguenther@suse.de>
6933 * fold-const.c (fold_unary): Handle intermediate conversion
6934 to a pointer type like intermediate conversion to an integer
6935 type in folding of (T1)(T2)var to var.
6936 Match the code to the comment in the final conversion for
6937 (T1)(T2)var to (T1)var regarding to type precision. Rather
6938 than disallow T1 being of pointer type, assert that both T1
6939 and var are of pointer type or not. Make sure not to fall
6940 over the frontends lazyness wrt array to pointer decay though.
6942 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6944 * arm.c (arm_struct_value_rtx): Delete.
6945 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6946 (arm_init_cumulative_args): Always initialize nregs to zero.
6948 2006-05-10 Richard Guenther <rguenther@suse.de>
6950 PR tree-optimization/27532
6951 * tree-object-size.c (plus_expr_object_size): Fix typo.
6953 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6956 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6957 ashrdi_const, ashrdi3): Use a scratch register.
6959 2006-05-10 Richard Guenther <rguenther@suse.de>
6961 PR tree-optimization/27302
6962 * fold-const.c (operand_equal_p): For two comparisons,
6963 try comparison of one comparison code swapped if that yields
6966 2006-05-10 Ben Elliston <bje@au.ibm.com>
6968 * tree-pretty-print.c (pretty_print_string): No need to handle
6969 '\0' as a special character.
6971 * tree.h: Include "hashtab.h".
6972 (iterative_hash_expr): Use hashval_t in its prototype.
6973 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6975 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6978 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6979 (hppa*64*-*-hpux11*): Ditto.
6980 (hppa[12]*-*-hpux11*): Ditto.
6982 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6985 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6987 2006-05-09 Michael Matz <matz@suse.de>
6989 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6990 host_extra_gcc_objs and host_xmake_file.
6991 (<*-*-linux*>): Don't overwrite host_xmake_file.
6992 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6993 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6994 (host_detect_local_cpu): Declare.
6995 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6996 * config/i386/i386.c (override_options): Handle -mtune=native
6998 * config/i386/x-i386: New file.
6999 * config/i386/driver-i386.c: New file.
7000 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
7003 2006-05-09 Dirk Mueller <dmueller@suse.de>
7004 Richard Guenther <rguenther@suse.de>
7007 * fold-const.c (fold_read_from_constant_string): Relax check
7008 for matching types to matching modes.
7010 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
7012 PR rtl-optimization/27335
7013 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
7016 2006-05-08 Chao-ying Fu <fu@mips.com>
7017 Richard Sandiford <richard@codesourcery.com>
7019 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
7020 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
7021 * config/mips/mips.md (UNSPEC_SCC): New constant.
7022 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
7023 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
7024 (mips_emit_compare): Use it.
7025 (mips_expand_vcondv2sf): New function.
7027 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
7029 Fix PR tree-optimization/27093
7030 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
7031 renaming when they become not-used_alone.
7033 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7035 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7036 relocation and relocation stubs.
7038 2006-05-08 Eric Christopher <echristo@apple.com>
7040 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7043 2006-05-08 Jan Hubicka <jh@suse.cz>
7046 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7047 unused static functions are needed.
7049 2006-05-08 Roger Sayle <roger@eyesopen.com>
7052 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7053 of a reg_equiv_constant if the result is a legitimate constant.
7055 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7058 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7059 standard 80387 constants, raise the cost to prevent
7060 compress_float_constant() to generate load from memory.
7062 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7064 * config/arm/constraints.md (c): Fix a typo.
7066 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7069 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7072 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7074 (_mm_mwait): Likewise.
7076 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7078 (sse3_monitor): Make it 32bit only.
7079 (sse3_monitor64): New. 64bit monitor.
7081 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7084 * config/i386/i386.c (classify_argument): Skip fields with invalid
7087 2006-05-07 Richard Guenther <rguenther@suse.de>
7089 PR tree-optimization/27409
7090 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7091 Do not try to find zero-sized subvars.
7093 2006-05-07 Richard Guenther <rguenther@suse.de>
7095 PR tree-optimization/27136
7096 * tree-ssa-loop-niter.c (get_val_for): Correct function
7097 comment, assert requirements.
7098 (loop_niter_by_eval): Stop processing if the iterated
7099 value did not simplify.
7101 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7103 * opts.c (flag_see): remove its setting at -O3.
7105 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7107 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7108 * arm/constraints.md: New file.
7109 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7110 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7111 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7112 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7113 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7114 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7115 * arm.md: Include constraints.md.
7116 (thumb_movsi_insn): Use satisfies_constraint_J.
7117 (movhi, movqi): Use satisfies_constraint_I.
7119 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7121 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7122 for atmeg a645 device.
7124 2006-05-06 Richard Guenther <rguenther@suse.de>
7126 PR tree-optimization/27151
7127 * tree-vect-transform.c (vectorizable_condition): Punt on
7128 values that have a different type than the condition.
7130 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7133 * c-parser.c (c_parser_cast_expression): Only insert casts into
7134 hash table if pointer.
7135 * function.c (used_types_insert_helper): Rename from
7137 (used_types_insert): Call used_types_insert_helper.
7138 * function.h (used_types_insert): Accept only one argument.
7140 2006-05-05 David Edelsohn <edesohn@gnu.org>
7142 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7143 scratch with output modifier.
7145 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7148 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7149 with output modifier.
7151 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7154 * config/mips/mips.c (mips_symbolic_address_p): Return true
7155 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7156 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7158 2006-05-04 Richard Guenther <rguenther@suse.de>
7160 PR tree-optimization/14287
7161 PR tree-optimization/14844
7162 PR tree-optimization/19792
7163 PR tree-optimization/21608
7164 PR tree-optimization/27090
7165 * tree-ssa-pre.c (try_combine_conversion): New function.
7166 (compute_avail): After constructing the value-handle
7167 expression, use try_combine_conversion to combine NOP_EXPRs
7168 with previous value-handle expressions and use the result if it
7171 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7173 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7175 2006-05-04 Jan Hubicka <jh@suse.cz>
7178 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7180 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7182 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7183 that this only matches CONST_INTs. All users changed to VOIDmode
7186 * config/bfin/bfin.c: Include "optabs.h".
7187 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7189 (enum bfin_builtins): Add a number of fractional and vector builtins.
7190 (bfin_init_builtins): Likewise.
7191 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7192 (safe_vector_operand, bfin_expand_binop_builtin,
7193 bfin_expand_unop_builtin): New functions.
7194 (bfin_expand_builtin): Handle the new builtins.
7195 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7198 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7201 * Makefile.in (OBJS-common): Add see.o.
7202 (see.o): Add dependencies.
7203 * common.opt (fsee): New flag for the see optimization was added.
7204 * opts.c (flag_see): Initialized.
7205 * passes.c (init_optimization_passes, pass_see): New pass.
7206 * rtl.h (see_main): Declaration as extern.
7207 * timevar.def (TV_SEE): New.
7208 * tree-pass.h (pass_see): Declaration as extern.
7209 * invoke.texi (-fsee): Document.
7210 * recog.c (validate_simplify_insn): New function.
7211 * recog.h (validate_simplify_insn): Declaration as extern.
7212 * df-problems.c (df_chain_dump): Check for NULL.
7214 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7215 Daniel Berlin <dberlin@dberlin.org>
7217 * cfgrtl.c (insert_insn_bb_end_new): New function.
7218 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7220 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7222 * df.h (struct web_entry): Moved from web.c.
7223 (union_defs): Declaration as extern.
7224 (unionfind_root): Likewise.
7225 (unionfind_union): Likewise.
7226 * web.c (struct web_entry): Moved to df.h.
7227 (unionfind_root): Remove static declaration.
7228 (unionfind_union): Likewise.
7229 (union_defs): Likewise and generalize to use callback function.
7230 (web_main): Update arguments for union_defs function call.
7232 2006-05-04 Richard Guenther <rguenther@suse.de>
7234 PR tree-optimization/26447
7235 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7236 produce SSA_NAME copies before the store stmt to avoid
7237 breaking exception handling.
7239 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7242 * gimplify.c (omp_is_private): If var is shared in some outer context,
7243 return false instead of true. Stop searching on parallel context
7246 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7249 * coverage.c: Use get_gcov_unsigned_t() instead of
7250 unsigned_type_node all over.
7252 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7254 PR tree-optimization/27381
7255 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7256 maintain the same immediate_use links.
7257 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7258 node rather than segfaulting.
7260 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7263 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7264 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7265 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7267 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7269 Fix PR tree-optimization/26626
7270 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7272 * tree-ssa-operands.c (access_can_touch_variable): Allow
7273 typecasting through union pointers.
7275 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7278 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7279 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7280 to find if var will be a global variable even in the nested context.
7281 (omp_copy_decl): Only check for global variable at the end, it might
7282 be overridden in outer contexts.
7283 (scan_sharing_clauses): For global variables don't create a field.
7284 (lower_rec_input_clauses): Do nothing for global shared variables.
7285 Emit a barrier at the end of ILIST if there were any decls in both
7286 firstprivate and lastprivate clauses.
7287 (lower_send_clauses): Do nothing for global variables except for
7290 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7292 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7293 of the correct signedness is returned.
7295 2006-05-02 Jeff Law <law@redhat.com>
7297 PR tree-optimization/27364
7298 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7299 multiply expressions.
7301 2006-05-02 Tom Tromey <tromey@redhat.com>
7303 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7305 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7308 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7309 -mthumb -fPIC are used.
7311 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7312 Joshua Kinard <kumba@gentoo.org>
7315 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7316 with 64-bit pointers.
7318 2006-05-02 Paul Brook <paul@codesourcery.com>
7320 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7322 (create_fix_barrier): Check that a suitable barrier location is
7324 (arm_reorg): Include ftmp->address in allowable range of addresses.
7326 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7329 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7332 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7335 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7336 around RESULT_DECL for result passed by reference.
7337 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7338 * omp-low.c (use_pointer_for_field): Don't look at
7339 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7340 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7341 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7342 time or var for passing by reference for
7343 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7344 TREE_ADDRESSABLE variables when passing by reference.
7346 * omp-low.c (dump_omp_region): Fix output formatting.
7349 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7350 (expand_omp_parallel): Likewise.
7351 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7354 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7355 on statement list containing also constructors and destructors.
7356 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7359 * except.c (duplicate_eh_regions): Fix clearing of
7360 cfun->eh->region_array entries.
7362 2006-05-01 DJ Delorie <dj@redhat.com>
7364 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7366 (gcc_cv_objdump): Likewise.
7367 * configure: Regenerated.
7369 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7372 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7373 templates for case 3 and 4.
7375 2006-05-01 DJ Delorie <dj@redhat.com>
7377 * vec.c: Include bconfig.h when appropriate.
7378 * Makefile.in (build/vec.o): Adjust dependencies.
7379 * mkconfig.sh: Make sure config.h isn't used for build machine
7382 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7384 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7386 (mark_phi_for_rewrite): New function.
7387 (insert_phi_nodes_for, mark_use_interesting): Call
7388 mark_phi_for_rewrite.
7389 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7390 (update_ssa): Initialize and free phis_to_rewrite.
7392 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7394 PR rtl-optimization/27291
7395 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7396 folded to a constant.
7398 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7400 PR tree-optimization/27283
7401 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7402 not whole # of iteration descriptions.
7403 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7404 uses abnormal ssa name.
7405 (niter_for_single_dom_exit): Ditto.
7406 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7407 return just the number of iterations.
7409 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7411 PR tree-optimization/27144
7412 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7413 (record_estimate): Only record constant upper bound.
7414 (infer_loop_bounds_from_undefined): Call
7415 compute_estimated_nb_iterations just once.
7416 (proved_non_wrapping_p): Renamed to ...
7417 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7418 (convert_step_widening, scev_probably_wraps_p): Call
7419 n_of_executions_at_most instead of proved_non_wrapping_p.
7420 (substitute_in_loop_info): Do not replace values in bounds.
7421 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7424 2006-05-01 Richard Henderson <rth@redhat.com>
7427 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7428 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7431 2006-05-01 Roger Sayle <roger@eyesopen.com>
7433 * c-typeck.c (parser_build_binary_op): Don't call the function
7434 unsigned_conversion_warning to spot operand/result type overflow.
7435 (build_binary_op): Instead, call convert_and_check instead of
7436 convert to report the problem when the operands are promoted.
7437 * c-common.c (unsigned_conversion_warning): Make static.
7438 * c-common.h (unsigned_conversion_warning): Delete prototype.
7440 2006-05-01 Richard Guenther <rguenther@suse.de>
7442 PR tree-optimization/26726
7443 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7445 (find_interesting_uses_address): ... we work around here
7446 by folding INDIRECT_REFs in the substituted base.
7448 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7450 * omp-low.c (dump_omp_region): Add newlines.
7452 2006-04-30 Roger Sayle <roger@eyesopen.com>
7454 * common.opt (Woverflow): New command line option.
7455 * c-common.c (constant_expression_warning): Check warn_overflow.
7456 (overflow_waring): Pass OPT_Woverflow to warning.
7457 (unsigned_conversion_warning): Likewise.
7458 (convert_and_check): Likewise.
7459 * doc/invoke.texi: Document new command line option.
7461 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7463 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7464 TARGET_NO_FP_IN_TOC for section anchors.
7465 (optimization_options): Enable section anchors for all
7466 non-"Objective" languages.
7468 2006-04-28 Eric Christopher <echristo@apple.com>
7470 * config/darwin-c.c (darwin_ms_struct): Move this
7471 (darwin_set_default_type_attributes): and this...
7472 * config/darwin.c: ... here.
7473 * config/darwin.h (darwin_ms_struct): Declare.
7475 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7477 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7479 2006-04-28 Roger Sayle <roger@eyesopen.com>
7482 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7483 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7484 an unsigned HOST_WIDE_INT.
7485 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7487 (really_start_incremental_init): No need to call convert because
7488 bitsize_zero_node is already of type bitsizetype.
7489 (push_init_level): Extract the value of constructor_index as an
7490 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7491 (process_init_element): Likewise.
7493 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7495 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7496 value before passing to make_relative_prefix.
7498 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7501 * builtins.c (expand_builtin_memset): Expand val in original mode.
7503 2006-04-27 Eric Christopher <echristo@apple.com>
7505 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7506 with #ifndef/#endif.
7507 * config/darwin-c.c (darwin_ms_struct): New.
7508 (darwin_pragma_ms_struct): Ditto.
7509 (darwin_set_default_type_attributes): Ditto.
7510 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7511 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7512 Register ms_struct pragma.
7513 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7514 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7515 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7516 darwin_set_default_type_attributes if TARGET_MACHO.
7518 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7520 PR tree-optimization/26854
7521 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7522 * doc/tree-ssa.texi: Update immuse iterator documentation.
7523 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7524 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7525 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7526 first_safe_imm_use, next_safe_imm_use): Remove.
7527 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7528 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7529 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7530 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7531 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7532 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7533 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7534 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7535 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7536 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7537 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7538 (perfect_nestify): Use new iterator.
7539 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7541 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7542 (next_imm_name): New field in struct immediate_use_iterator_d.
7543 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7544 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7545 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7546 * tree-cfg.c (replace_uses_by): Use new iterator.
7547 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7548 * tree-ssa-operands.c (correct_use_link): Remove.
7549 (finalize_ssa_use_ops): No longer call correct_use_link.
7551 2006-04-27 Stuart Hastings <stuart@apple.com>
7553 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7554 * config/t-darwin (crt3.o): Use it.
7555 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7556 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7557 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7558 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7559 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7562 2006-04-27 Roger Sayle <roger@eyesopen.com>
7564 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7565 size, force the intermediate into a new pseudo rather instead of
7566 performing both a bitwise AND and a bitwise IOR in memory.
7568 2006-04-27 Richard Guenther <rguenther@suse.de>
7570 PR rtl-optimization/26685
7571 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7572 this one "max-flow-memory-locations".
7574 2006-04-27 Richard Guenther <rguenther@suse.de>
7576 PR tree-optimization/25148
7577 * tree-vrp.c (compare_values): Remove code dealing with
7578 comparisons against type min/max value. Honour overflow
7579 and negative constants in code dealing with comparisons
7580 of plus and minus expressions.
7581 (value_inside_range): Use fold_binary with LE_EXPR and
7582 GE_EXPR rather than compare_values.
7584 2006-04-27 Dirk Mueller <dmueller@suse.de>
7586 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7589 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7591 * basic-block.h (safe_insert_insn_on_edge): Removed.
7592 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7594 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7595 Paolo Bonzini <bonzini@gnu.org>
7598 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7599 (simplify_and_const_int): Same.
7601 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7603 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7605 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7608 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7609 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7610 cgraph_global_info_ready.
7613 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7616 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7617 either decl or init is error_mark_node.
7620 * tree-flow.h (struct omp_region): Add sched_kind.
7621 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7622 instead of extracting omp for data.
7623 (expand_omp_for): Save extracted sched_kind.
7625 2006-04-25 Roger Sayle <roger@eyesopen.com>
7627 * expmed.c (store_bit_field): Also check whether the bitsize is
7628 valid for the machine's "insv" instruction before moving the
7629 target into a pseudo for use with the insv.
7630 * config/i386/predicates.md (const8_operand): New predicate.
7631 * config/i386/i386.md (extv, extzv, insv): Use the new
7632 const8_operand predicate where appropriate.
7634 2006-04-25 DJ Delorie <dj@redhat.com>
7636 * doc/install.texi (Specific): Clarify that this is not a list of
7637 supported hosts or targets.
7639 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7641 PR rtl-optimization/26725
7642 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7643 block's BB_DIRTY flag.
7645 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7647 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7650 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7651 to print an integer.
7653 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7655 * varasm.c (align_variable): New function.
7656 (get_block_for_decl): Apply align_variable to DECL before
7657 calculating section information.
7658 (assemble_variable): Split out alignment computation.
7660 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7662 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7665 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7667 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7668 MODE_PARTIAL_INT mode.
7669 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7670 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7672 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7673 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7675 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7677 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7679 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7680 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7681 MACFLAG_IH): Likewise.
7682 (movstricthi_1): Renamed from "*movstricthi".
7683 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7684 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7685 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7686 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7687 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7688 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7689 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7690 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7691 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7692 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7693 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7694 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7695 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7696 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7697 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7699 * doc/rtl.texi (ss_ashift): Improve wording.
7701 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7703 * dwarf2out.c (verify_marks_clear): New.
7704 (prune_unused_types): Call verify_marks_clear initially, not
7707 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7709 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7710 * doc/rtl.texi: Document them.
7711 * simplify-rtx.c (simplify_unary_operation,
7712 simplify_binary_operation_1): Don't abort when we see them.
7714 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7717 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7718 * configure.ac: Completely disregard languages that are not
7720 * configure: Regenerated.
7722 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7723 Richard Guenther <rguenther@suse.de>
7725 PR tree-optimization/27236
7726 * tree-inline.c (copy_body_r): Make sure to copy
7727 TREE_THIS_VOLATILE flag.
7729 2006-04-24 Richard Guenther <rguenther@suse.de>
7732 * tree-complex.c (update_parameter_components): Don't handle
7733 unused parameters which have no default def.
7735 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7736 Richard Guenther <rguenther@suse.de>
7738 PR tree-optimization/27218
7739 * tree-inline.c (expand_call_inline): Strip useless type
7740 conversions for the return slot address.
7742 2006-04-24 Richard Guenther <rguenther@suse.de>
7744 * cfgloop.h (struct loops): Remove unused field array. Reorder
7746 (LOOP_PREFETCH): Remove.
7748 2006-04-24 Richard Guenther <rguenther@suse.de>
7750 PR tree-optimization/22525
7751 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7752 variable, adjust types of generated expressions.
7754 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7756 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7757 (tree-vect-patterns.o): Likewise.
7759 (cselib.o): Likewise.
7760 (loop-doloop.o): Likewise.
7761 (regclass.o): Likewise.
7762 (reload1.o): Likewise.
7763 (explow.o): Replace target.h with $(TARGET_H).
7764 (ipa-prop.o): Likewise.
7765 (ipa-cp.o): Likewise.
7766 (ipa-inline.o): Likewise.
7767 (reorg.o): Likewise.
7768 (reg-stack.o): Likewise.
7770 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7772 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7774 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7776 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7778 * configure.ac: Completely disregard languages that are not
7780 * configure: Regenerated.
7783 * c-common.h (c_build_bitfield_integer_type): Declare.
7784 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7785 * c-common.c (c_build_bitfield_integer_type): ... here.
7787 2006-04-23 Roger Sayle <roger@eyesopen.com>
7790 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7791 a SImode SUBREG of a floating point register after no_new_pseudos.
7793 2006-04-23 Roger Sayle <roger@eyesopen.com>
7795 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7796 identify potentially eliminable registers to additionally catch
7797 VIRTUAL_INCOMING_ARGS_REGNUM.
7798 (addsi3): Update the conditions on when to use addsi_small_int.
7800 2006-04-23 Roger Sayle <roger@eyesopen.com>
7803 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7804 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7805 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7807 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7809 * fold-const.c (range_predecessor): Use operand_equal_p
7810 as the predicate for equality.
7811 (range_successor): Likewise.
7813 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7816 * config/soft-fp/op-common.h: Fix a typo.
7818 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7821 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7822 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7824 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7826 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7828 * doc/tm.texi: Fix a typo.
7830 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7832 * dwarf2out.c (struct die_struct): Document that die_sib makes
7833 a circular linked list.
7834 (FOR_EACH_CHILD): New.
7835 (reverse_die_lists): Delete.
7836 (reverse_all_dies): Delete.
7837 (add_dwarf_attr): Correct documentation.
7838 (remove_child_with_prev): New.
7839 (remove_child_TAG): Update for change to die_struct, use
7840 remove_child_with_prev.
7841 (add_child_die): Update for change to die_struct.
7842 (splice_child_die): Use remove_child_with_prev and add_child_die.
7843 (print_die): Use FOR_EACH_CHILD.
7844 (die_checksum): Likewise.
7845 (assign_symbol_names): Likewise.
7846 (output_location_lists): Likewise.
7847 (build_abbrev_table): Likewise.
7848 (calc_die_sizes): Likewise.
7849 (mark_dies): Likewise.
7850 (unmark_dies): Likewise.
7851 (unmark_all_dies): Likewise.
7852 (output_die): Likewise.
7853 (prune_unused_types_mark): Likewise.
7854 (prune_unused_types_walk): Likewise.
7855 (same_die_p): Update for change to die_struct.
7856 (break_out_includes): Likewise.
7857 (prune_unused_types_prune): Likewise.
7858 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7859 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7861 (dwarf2out_finish): Don't call reverse_all_dies.
7863 2006-04-21 Eric Christopher <echristo@apple.com>
7865 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7866 in comments and function names.
7868 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7871 * c-typeck.c (digest_init): Robustify.
7873 * c-typeck.c (pop_init_level): Simplify.
7875 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7877 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7879 2006-04-21 Paul Brook <paul@codesourcery.com>
7881 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7882 hardware floating point.
7884 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7886 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7889 2006-04-21 Nick Clifton <nickc@redhat.com>
7891 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7894 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7897 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7898 C++ lang type in traceback table for Objective-C++.
7900 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7902 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7904 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7906 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7909 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7910 were errors. Remove check for erroneous objects.
7912 2006-04-20 Jeff Law <law@redhat.com>
7914 PR tree-optimization/26854
7915 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7916 checking for zero or one use.
7917 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7918 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7919 * tree-ssa-reassoc.c (negate_value): Similarly.
7920 (reassociate_bb): Similarly.
7922 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7924 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7925 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7926 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7928 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7930 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7931 fp regs if the last fp arg doesn't fit in regs.
7933 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7936 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7937 that the last insn has the REG_INC note.
7939 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7940 Nathan Sidwell <nathan@codesourcery.com>
7943 * stor-layout.c (update_alignment_for_field): Do not align
7945 (place_union_field): Place union field at the start of the union.
7946 (place_field): Move ERROR_MARK check later, and use the current
7947 allocation position to maintain monotonicity.
7949 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7951 * dominance.c: Include timevar.h.
7952 (calculate_dominance_info): Use TV_DOMINANCE.
7953 * timevar.def (TV_DOMINANCE): New timevar.
7954 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7956 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7958 PR rtl-optimization/14261
7959 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7960 move would be an INSV insn.
7961 (noce_process_if_block): Don't optimize if the destination is a
7962 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7964 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7966 * config/s390/s390.md: Add comments with the instructions emitted
7967 by an insn pattern if macros are used.
7969 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7971 PR rtl-optimization/26026
7972 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7973 is a known power of two shifted left a variable amount.
7975 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7977 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7978 to hash table twice when the debug_str section has SECTION_MERGE.
7980 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7982 * config/soft-fp: New directory. From glibc.
7983 * config/soft-fp/t-softfp: New.
7984 * config/soft-fp/README: New.
7985 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7986 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7987 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7988 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7989 * config.gcc: Use rs6000/t-fprules-fpbit or
7990 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7992 * config/rs6000/sfp-machine.h: New. Based on glibc.
7993 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7995 * config/rs6000/t-fprules: Remove fp-bit rules.
7996 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7997 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7998 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7999 (softfp_wrap_start, softfp_wrap_end): New.
8001 2006-04-18 DJ Delorie <dj@redhat.com>
8003 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
8005 2006-04-18 Devang Patel <dpatel@apple.com>
8007 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
8009 2006-04-18 Nick Clifton <nickc@redhat.com>
8011 * config/sh/t-symbian: Add rule to build sh-c.o
8012 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
8013 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
8014 (sh_symbian_encode_section_info): Likewise.
8016 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
8018 * builtins.c (expand_builtin_strcmp): Cover label definition of
8019 do_libcall with HAVE_cmpstrnsi.
8021 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
8023 * function.c (temp_slots_at_level, max_slot_level): Use VEC
8025 * function.h (temp_slot_p): New.
8026 (function): Change the type of x_used_temp_slots to
8027 VEC(temp_slot_p,gc) *.
8029 2006-04-18 Nick Clifton <nickc@redhat.com>
8031 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
8032 flag_strength_reduce.
8034 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8036 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8040 Partial revert of revision 112637
8041 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8042 Dale Johannesen <dalej@apple.com>
8045 * regclass.c (struct reg_pref): Update documentation.
8046 (regclass): Set prefclass to NO_REGS if memory is the best option.
8047 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8049 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8051 PR tree-optimization/26821
8052 * tree-ssa-math-opts.c (get_constant_one): New.
8053 (insert_reciprocals): Use it.
8055 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8057 * dwarf2out.c (free_AT): Delete.
8058 (remove_AT): Update string ref counts.
8059 (remove_child_TAG): Don't call free_die.
8061 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8062 or DW_TAG_GNU_EINCL.
8063 (prune_unused_types_walk_attribs): Reset string refcounts.
8064 (prune_unused_types_update_strings): New.
8065 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8066 call free_die. Do call prune_unused_types_update_strings.
8067 (prune_unused_types): Empty debug_str_hash.
8069 2006-04-17 Roger Sayle <roger@eyesopen.com>
8071 * expr.c (expand_assignment): Optimize away no-op moves where the
8072 source and destination are equal and have no side-effects.
8074 2006-04-17 Richard Guenther <rguenther@suse.de>
8077 * reload.c (push_reload): Guard calls to get_secondary_mem
8080 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8082 * alias.c (reg_base_value, old_reg_base_value): Change the
8083 type to VEC(rtx,gc) *.
8084 (REG_BASE_VALUE, find_base_value, record_set,
8085 init_alias_analysis): Use VEC instead of VARRAY.
8087 * alias.c (alias_sets): Change the type to
8088 VEC(alias_set_entry,gc) *.
8089 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8090 VEC instead of VARRAY.
8091 (last_alias_set): Remove.
8093 * cgraph.h (cgraph_edge_p): New.
8094 Update the prototype of cgraph_function_versioning.
8095 * cgraphunit.c (cgraph_copy_node_for_versioning,
8096 cgraph_function_versioning): Use VEC instead of VARRAY.
8097 * ipa-cp.c (ipcp_insert_stage): Likewise.
8099 2006-04-16 Roger Sayle <roger@eyesopen.com>
8102 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8103 "A op B" or "A op C", we may need to convert A to the type of B and C.
8105 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8107 * target.h (struct gcc_target): Add mode_rep_extended.
8108 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8109 (init_num_sign_bit_copies_in_rep): Initialize it using
8111 (truncate_to_mode): Use it.
8112 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8113 * targhooks.h (default_mode_rep_extended): Declare it.
8114 * targhooks.c (default_mode_rep_extended): Define it.
8115 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8116 default_mode_rep_extended.
8117 (TARGET_INITIALIZER): Include it.
8118 * doc/tm.texi (Misc): Document it.
8119 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8120 (mips_truncated_to_mode): New function.
8122 2006-04-16 Roger Sayle <roger@eyesopen.com>
8125 * expr.c (compress_float_constant): Copy the narrow constant into
8126 a new pseudo before extending it to its final width.
8128 2006-04-16 Roger Sayle <roger@eyesopen.com>
8129 Andrew Pinski <pinskia@gcc.gnu.org>
8130 Dale Johannesen <dalej@apple.com>
8133 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8134 special case code to implement V8HImode and V16QImode with SSE2.
8136 2006-04-15 Roger Sayle <roger@eyesopen.com>
8138 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8139 trees are constructed with a suitable tree type.
8141 2006-04-15 Roger Sayle <roger@eyesopen.com>
8143 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8144 (integer_onep): Likewise.
8145 (integer_all_onesp): Likewise.
8146 (integer_pow2p): Likewise.
8147 (integer_nonzerop): Likewise.
8148 (real_zerop): Likewise.
8149 (real_onep): Likewise.
8150 (real_twop): Likewise.
8151 (real_minus_onep): Likewise.
8152 (int_size_in_bytes): Likewise.
8153 (host_integerp): Likewise.
8155 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8157 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8158 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8159 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8161 * tree-ssa-structalias.h (alias_info): Remove num_references.
8163 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8165 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8166 (output_bvb patterns): Likewise.
8167 * pa.c (output_bb): Use 'bb' insn for long branch case.
8168 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8169 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8170 1. Correct length operand for alternatives 1 and 2.
8171 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8172 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8174 2006-04-14 Roger Sayle <roger@eyesopen.com>
8176 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8177 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8178 were accidentally reverted by r112959.
8180 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8183 * except.h (eh_region_outermost): New prototype.
8184 * except.c (eh_region_outermost): New function.
8185 * tree-cfg.c (find_outermost_region_in_block): Use it.
8187 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8189 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8191 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8192 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8193 (init_reload, reload): Use VEC instead of VARRAY.
8194 * reload.h: Update the prototype for
8195 reg_equiv_memory_loc_varray.
8197 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8198 Eric Botcazou <ebotcazou@libertysurf.fr>
8200 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8203 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8206 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8207 to expand fallback builtin function call.
8209 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8212 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8213 and emit libcall here in case the builtin fails.
8214 (expand_builtin_strcmp): Always emit the libcall here on failure.
8216 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8218 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8219 * flow.c (reg_n_info): Change the type to
8220 VEC(reg_info_p,heap) *.
8221 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8223 * regs.h (reg_info_p): New.
8224 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8225 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8226 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8229 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8231 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8233 * params.h (MAX_SCHED_READY_INSNS): New macro.
8234 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8235 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8236 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8237 the ready list for 1 cycle during the first scheduling pass.
8238 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8240 2006-04-13 Richard Henderson <rth@redhat.com>
8243 * gimple-low.c (lower_omp_directive): Remove dead code.
8244 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8245 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8246 * omp-low.c (struct omp_region): Move to tree-flow.h.
8247 (root_omp_region): Export.
8248 (omp_regions, lookup_omp_region): Remove.
8249 (determine_parallel_type): Update for struct omp_region changes.
8250 (dump_omp_region): Dump regions with block numbers.
8251 (new_omp_region): Take type and block instead of stmt; malloc
8253 (free_omp_region_1, free_omp_regions): New.
8254 (expand_parallel_call): Take entry_stmt as argument; update for
8255 changes to omp_region.
8256 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8257 (remove_exit_barriers): New.
8258 (expand_omp_parallel): Update for struct omp_region changes.
8259 (expand_omp_synch): Likewise.
8260 (expand_omp): Likewise.
8261 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8262 (expand_omp_for_static_chunk): Likewise.
8263 (expand_omp_for): Likewise.
8264 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8265 (expand_omp_sections): Similarly, with GOMP_sections_end.
8266 (expand_omp_single): New.
8267 (build_omp_regions_1): Update for OMP_CONTINUE.
8268 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8269 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8270 OMP_SECTIONS_SECTIONS.
8271 (lower_omp_single_simple): Don't emit barrier here.
8272 (lower_omp_single_copy): Likewise.
8273 (lower_omp_single): Fix bindings, and lower to straightline now.
8274 (lower_omp_master, lower_omp_ordered): Likewise.
8275 (lower_omp_critical): Likewise.
8276 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8277 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8278 omp edges, free it afterward.
8279 (make_omp_sections_edges): Remove.
8280 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8281 (move_stmt_r): Handle OMP_CONTINUE.
8282 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8283 statement pointers to basic blocks. Add type member.
8284 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8285 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8286 * tree-inline.c (estimate_num_insns_1): Likewise.
8287 * tree-pretty-print.c (dump_generic_node): Likewise.
8288 * tree-ssa-operands.c (get_expr_operands): Likewise.
8289 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8290 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8291 (OMP_CONTINUE): New.
8292 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8293 (OMP_SECTIONS_SECTIONS): Remove.
8294 (OMP_SECTION_LAST): New.
8295 (OMP_RETURN_NOWAIT): New.
8297 2006-04-13 Roger Sayle <roger@eyesopen.com>
8299 * fold-const.c (native_encode_vector, native_interpret_real):
8300 Correct obvious mistakes in the previous check-in.
8302 2006-04-13 Roger Sayle <roger@eyesopen.com>
8304 * fold-const.c (native_encode_expr): New function to encode
8305 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8306 or VECTOR_CST into a specified buffer.
8307 (native_encode_int): New function.
8308 (native_encode_real): New function.
8309 (native_encode_complex): New function.
8310 (native_encode_vector): New function.
8311 (native_interpret_expr): Inverse of native_encode_expr to convert
8312 a target representation into an INTEGER_CST, REAL_CST etc...
8313 (native_interpret_int): New function.
8314 (native_interpret_real): New function.
8315 (native_interpret_complex): New function.
8316 (native_interpret_vector): New function.
8317 (fold_view_convert_expr): New function to constant fold/evaluate
8318 a VIEW_CONVERT_EXPR of a suitable constant expression.
8319 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8320 Change call of build1 to fold_build1 when constructing a
8323 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8324 Ulrich Weigand <uweigand@de.ibm.com>
8327 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8330 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8333 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8334 optimize to lo_sum for DFmode if !TARGET_FPRS.
8336 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8338 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8339 delete_alias_info, compute_flow_sensitive_aliasing,
8340 group_aliases): Use VEC instead of VARRAY.
8341 * tree-ssa-structalias.c (update_alias_info): Likewise.
8342 * tree-ssa-structalias.h (alias_info): Change the type of
8343 processed_ptrs to VEC(tree,heap) *.
8345 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8348 * config/sh/lib1funcs.h: New file, broken out of:
8349 * config/sh/lib1funcs.asm.
8350 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8352 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8353 * config/sh/lib1funcs-Os-4-200.asm: New file.
8354 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8355 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8356 (EXTRA_MULTILIB_PARTS): Include it.
8357 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8358 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8359 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8360 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8363 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8365 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8366 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8367 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8369 * tree-ssa-live.h: Include vecprim.h.
8370 (tree_partition_associator_d): Change the type of
8371 first_partition to VEC(int,heap) *.
8372 (tpa_first_partition): Use VEC instead of VARRAY.
8374 * Makefile.in (GTFILES): Move functions.h after tree.h.
8375 * function.c (reset_block_changes, record_block_change,
8376 check_block_change, free_block_changes): Use VEC instead of
8378 * function.h (function): Change the type of
8379 ib_boundaries_block to VEC(tree,gc) *.
8380 * tree-inline.c (copy_cfg_body): Initialize
8381 ib_boundaries_block to NULL instead of (varray_type) 0.
8383 2006-04-12 Roger Sayle <roger@eyesopen.com>
8385 * expr.c (emit_group_store): Correct operand order in call to
8386 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8387 a SUBREG_BYTE of zero.
8389 2006-04-12 Richard Guenther <rguenther@suse.de>
8391 * profile.c (compute_branch_probabilities): Remove code
8392 encapsulated in !ir_type (), which are remanents of the
8393 removed RTL profiling code.
8394 * rtl-profile.c: Remove.
8396 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8398 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8399 magic NULL_RTX comment.
8400 (function_arg): Store entire fp arg to mem if any part should go
8402 (rs6000_arg_partial_bytes): Adjust for above change.
8404 2006-04-11 Roger Sayle <roger@eyesopen.com>
8406 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8407 if it hasn't been initialized by dwarf2out_init.
8409 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8411 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8412 symbolic constants in branch patterns.
8414 2006-04-11 Roger Sayle <roger@eyesopen.com>
8416 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8418 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8420 PR rtl-optimization/27073
8421 * gcse.c (try_replace_reg): Revert last change. Continue to search
8422 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8425 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8427 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8428 aggregate types other than record and union types.
8429 (function_arg): Likewise.
8430 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8432 (function_value): In 64-bit mode, return objects that require it
8435 2006-04-11 Roger Sayle <roger@eyesopen.com>
8437 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8439 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8441 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8443 2006-04-03 Jeff Law <law@redhat.com>
8446 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8447 alias information too.
8449 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8451 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8453 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8456 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8457 (premark_used_types_helper): New.
8458 (premark_used_types): New.
8459 (gen_subprogram_die): Call premark_used_types.
8460 (prune_unused_types_walk): Do not prune perennial dies.
8461 * function.c (used_types_insert): New.
8462 * function.h (struct function): Add used_types_hash field.
8463 (used_types_insert): Add prototype.
8464 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8465 * c-parser.c (c_parser_cast_expression): Save casted types in used
8468 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8471 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8472 rs6000_explicit_options.float_gprs.
8474 2006-04-10 Roger Sayle <roger@eyesopen.com>
8476 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8477 from ix86_expand_vector_init_low_nonzero. Take an additional
8478 one_var argument indicating which element is non-zero. Support
8479 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8480 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8481 with one_var instead of ix86_expand_vector_init_low_nonzero.
8483 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8485 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8486 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8487 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8488 build/genextract.o): Depend on vecprim.h.
8489 * cfglayout.c, df-problems.c, function.c, genextract.c,
8490 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8491 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8495 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8497 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8498 Declare VECs of this type.
8499 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8500 (remove_children): Delete.
8501 (add_dwarf_attr): Use VEC routines.
8502 (add_AT_flag): Update for changes to add_dwarf_attr.
8503 (add_AT_int): Likewise.
8504 (add_AT_unsigned): Likewise.
8505 (add_AT_long_long): Likewise.
8506 (add_AT_vec): Likewise.
8507 (add_AT_string): Likewise.
8508 (add_AT_die_ref): Likewise.
8509 (add_AT_fde_ref): Likewise.
8510 (add_AT_loc): Likewise.
8511 (add_AT_loc_list): Likewise.
8512 (add_AT_addr): Likewise.
8513 (add_AT_lbl_id): Likewise.
8514 (add_AT_lineptr): Likewise.
8515 (add_AT_macptr): Likewise.
8516 (add_AT_offset): Likewise.
8517 (add_AT_range_list): Likewise.
8518 (get_AT): Use VEC_iterate.
8519 (remove_AT): Use VEC_ordered_remove.
8520 (free_die): Fold remove_children into here; have it use VEC_iterate.
8521 (print_die): Use VEC_iterate on attrs.
8522 (reverse_die_lists): Don't reverse attr lists.
8523 (die_checksum): Use VEC_iterate on attrs.
8524 (same_die_p): Likewise.
8525 (output_location_lists): Likewise.
8526 (build_abbrev_table): Likewise.
8527 (size_of_die): Likewise.
8528 (unmark_all_dies): Likewise.
8529 (output_abbrev_section): Likewise.
8530 (output_die): Likewise.
8531 (prune_unused_types_walk_attribs): Likewise.
8533 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8535 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8537 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8540 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8542 2006-04-09 Roger Sayle <roger@eyesopen.com>
8544 * expr.c (store_constructor): Don't bother clearing target if
8545 we're about to assign a vector to it using vec_init_optab.
8547 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8549 * tree-ssa-alias.c (lhs_may_store_to): New function.
8550 (recalculate_used_alone): Handle LHS of calls.
8552 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8556 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8557 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8558 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8559 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8560 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8561 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8562 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8563 stubs. Add ".align 8" directives before all ".dword" directives.
8564 (GTHREAD_USE_WEAK): Revise comment.
8565 (TARGET_ATTRIBUTE_WEAK): Define.
8566 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8567 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8568 * stublib.c: New file.
8573 * pa.md (cbranch patterns): Revise arguments used in calls to
8574 output_cbranch, output_bb and output_bvd. Add long branch length
8576 (fbranch patterns): Handle long branches.
8577 (jump): Revise length check. Revise arguments for output_lbranch call.
8578 Add long branch length attributes.
8579 (decrement_and_branch_until_zero): Add long branch length attributes.
8580 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8581 Likewise. Revise arguments for output_parallel_addb and
8582 output_parallel_movb calls.
8583 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8584 output_parallel_movb and output_parallel_addb): Update prototypes.
8585 * pa.c (output_cbranch): Revise arguments. Correct handling of
8586 nullification in long branches.
8587 (output_lbranch): Add new argument to control extraction of delay
8589 (output_bb): Handle long branches.
8590 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8591 output_parallel_addb): Likewise.
8593 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8595 PR rtl-optimization/27073
8596 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8599 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8601 * tree.h (tree_memory_tag): Add old_used_alone.
8602 (SMT_OLD_USED_ALONE): New macro.
8603 * tree-ssa-alias.c (recalculate_used_alone): Stop
8604 marking things for renaming unnecessarily.
8606 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8608 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8609 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8610 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8611 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8612 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8613 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8614 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8615 spelling convensions.
8616 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8617 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8618 typos. Follow spelling conventions.
8620 2006-04-07 DJ Delorie <dj@redhat.com>
8622 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8623 passed on the stack.
8624 (m32c_init_cumulative_args): When a function returns a structure,
8625 always pass the pointer to that return area on the stack.
8626 (m32c_function_arg_advance): Don't increment the parameter number
8627 if we're processing the returned structure pointer.
8628 (pushm_info): Reverse order of registers.
8630 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8632 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8633 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8634 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8635 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8637 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8638 chrec_fold_multiply): Same.
8639 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8640 force_expr_to_var_cost): Same.
8641 * tree-mudflap.c (mf_xform_derefs_1): Same.
8642 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8644 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8646 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8647 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8650 2006-04-07 Jan Hubicka <jh@suse.cz>
8652 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8654 2006-04-07 Richard Guenther <rguenther@suse.de>
8656 PR tree-optimization/26135
8657 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8658 loads for store copy-prop.
8659 (copy_prop_visit_stmt): Likewise.
8661 2006-04-05 Robert Millan <robertmh@gnu.org>
8663 * config/i386/linux.h: Add a comment to mark macros that are
8664 being overriden in config/k*bsd-gnu.h.
8665 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8667 * config/knetbsd-gnu.h: Ditto.
8669 2006-04-06 Jan Hubicka <jh@suse.cz>
8673 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8676 2006-04-06 Mike Stump <mrs@apple.com>
8678 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8679 for HAVE_nonlocal_goto to be consistent.
8680 (expand_builtin_nonlocal_goto): Likewise.
8681 (expand_builtin_strcmp): Use #ifdef instead of #if
8682 for HAVE_cmpstrnsi to be consistent.
8684 2006-04-05 DJ Delorie <dj@redhat.com>
8686 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8689 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8691 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8692 got-relative addressing for anything but SImode.
8694 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8695 even if the calling function doesn't modify them.
8697 2006-04-05 Richard Guenther <rguenther@suse.de>
8699 PR tree-optimization/26919
8700 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8701 to cgraph_estimate_size_after_inlining.
8703 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8705 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8707 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8709 PR tree-optimization/26996
8710 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8711 VECTOR_TYPE variables.
8713 2006-04-05 Richard Guenther <rguenther@suse.de>
8715 PR tree-optimization/26763
8716 * fold-const.c (fold_comparison): Move folding of
8717 PTR + CST CMP PTR + CST ...
8718 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8720 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8722 * doc/install.texi (Prerequisites): Refine some wording on
8723 bootstrapping and ksh.
8724 Move the version numbers of DejaGnu here from the testing section
8725 and fix casing of names.
8726 Fix markup and clarify wording for autogen requirements.
8727 Refer to GCJ instead of just java.
8728 Refer to SVN instead of CVS.
8729 Describe diffutils as useful instead of necessary.
8730 (Downloading the source): Refer to SVN instead of CVS.
8731 Adjust a link to our web site accordingly.
8732 (Configuration): Fix casing of Bison.
8733 (Building): Refer to SVN instead of CVS.
8734 Fix a sentence on the use of Bison and remove duplicate (and
8735 incorrect) version number of Bison requirement.
8736 Remove one redundant list of packages needed for building.
8737 (Specific): Avoid reference to CVS.
8739 2006-04-04 Eric Christopher <echristo@apple.com>
8741 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8742 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8743 (rs6000_handle_struct_attribute): New.
8744 (rs6000_ms_bitfield_layout_p): Ditto.
8746 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8748 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8749 NULL for dso parameter to atexit_common.
8751 2006-04-04 Eric Christopher <echristo@apple.com>
8753 * config/i386/i386.c (machopic_output_stub): Output \t
8754 between instructions and operands.
8756 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8758 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8759 satisfies_constraint_[IL] to explicit tests on value.
8761 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8763 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8764 set_nb_iterations_in_loop): Use build_int_cst instead of
8766 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8767 build_int_cst instead of convert.
8769 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8771 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8772 new value 2 for incoming.
8773 * function.c (expand_function_start): Call struct_value_rtx
8775 * config/sparc/sparc.md: Comment updated_return.
8776 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8777 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8778 struct return if sparc_std_struct_return and incoming is 2.
8779 (print_operand): Do not adjust return if
8780 sparc_std_struct_return.
8782 2006-04-04 Roger Sayle <roger@eyesopen.com>
8784 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8785 convert in the middle-end.
8786 * expr.c (store_expr, store_constructor, get_inner_reference,
8787 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8789 * tree.c (build_range_type): Likewise.
8791 2006-04-04 Tom Tromey <tromey@redhat.com>
8793 * doc/install.texi (Prerequisites): Mention jar.
8795 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8797 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8800 2006-04-04 Matthias Klose <doko@debian.org>
8802 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8806 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8809 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8811 * doc/extend.texi (Function Attributes): Rewrite visibility
8812 attribute documentation.
8813 * doc/invoke.texi (C++ Dialect Options): Rewrite
8814 -fvisibility-inlines-hidden documentation to describe something
8815 entirely different, although in practise compatible.
8816 (Code Gen Options): Warn about system headers in -fvisibility=
8819 * doc/extend.texi (Other Builtins): Document that
8820 __builtin_nan is a compile-time constant only when its argument
8823 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8825 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8826 trying to remove TRUNCATE check if all bits outside the new mode
8827 are identical to the sign bit.
8829 2006-04-03 Jeff Law <law@redhat.com>
8831 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8832 and operand scanning in some common cases.
8834 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8835 Dale Johannesen <dalej@apple.com>
8838 * regclass.c (struct reg_pref): Update documentation.
8839 (regclass): Set prefclass to NO_REGS if memory is the best option.
8840 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8841 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8842 into account. For non-registers, equate an empty preferred
8843 reload class to a `!' in the constraint; move the if clause to
8844 do so after those that reject the insn.
8845 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8847 (find_dummy_reload): Likewise.
8848 * doc/tm.texi (Register Classes): Document what it means
8849 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8850 * config/i386/i386.c (ix86_preferred_reload_class): Force
8851 using SSE registers (and return NO_REGS for floating-point
8852 constants) if math is done with SSE.
8853 (ix86_preferred_output_reload_class): New.
8854 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8855 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8856 * config/i386/i386.md: Remove # register preferences.
8858 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8861 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8862 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8863 the type of nb_iter.
8864 (instantiate_parameters_1): Convert the operands before calling
8865 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8866 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8868 2006-04-02 Roger Sayle <roger@eyesopen.com>
8870 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8871 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8873 * dojump.c (do_jump): Likewise.
8874 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8875 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8876 gimplify_boolean_expr): Likewise.
8877 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8878 * varasm.c (array_size_for_constructor): Likewise.
8879 * tree-object-size.c (compute_object_offset): Likewise.
8881 2006-04-02 Roger Sayle <roger@eyesopen.com>
8884 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8885 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8887 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8889 PR tree-optimization/26939
8890 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8892 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8894 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8895 at_stmt. Convert the type of operands before calling
8896 build_polynomial_chrec.
8897 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8899 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8900 (instantiate_parameters_1): Convert the type of operands before calling
8901 build_polynomial_chrec.
8902 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8903 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8904 reset_evolution_in_loop): Insert asserts to check the types of the
8906 (chrec_type): Moved...
8907 (eq_evolutions_p): Use operand_equal_p.
8908 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8909 the types of the operands.
8910 (chrec_type): ...here.
8911 * tree-data-ref.c (create_data_ref): Convert the operands before
8912 calling chrec_replace_initial_condition.
8913 (same_access_functions, analyze_subscript_affine_affine,
8914 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8915 (compute_subscript_distance, analyze_ziv_subscript,
8916 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8917 analyze_miv_subscript): Convert the operands before calling
8918 chrec_fold_minus or chrec_fold_plus.
8920 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8922 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8923 the dependence_relations vector.
8924 (compute_data_dependences_for_loop): Adjust call to
8925 compute_all_dependences.
8927 2006-04-01 Roger Sayle <roger@eyesopen.com>
8928 Richard Henderson <rth@redhat.com>
8930 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8931 gimple_boolify on the condition before calling gimplify_expr.
8933 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8935 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8936 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8937 the frame size. Update to use the new macros.
8938 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8939 * config/xtensa/ieee754-df.S: Likewise.
8941 2006-03-31 Richard Henderson <rth@redhat.com>
8943 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8944 (make_edges): ... here. Control fallthru creation with a local
8945 variable. Do not play with fake edges.
8946 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8947 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8950 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8952 * dwarf2.h (DW64_CIE_ID): Define.
8953 * dwarf2out.c (DWARF_CIE_ID): Define.
8954 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8955 length header. Use DWARF_CIE_ID.
8956 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8957 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8959 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8961 * config/sh/linux-atomic.asm: New file.
8962 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8964 2006-03-31 DJ Delorie <dj@redhat.com>
8966 * config/m32c/cond.md: Set condition flags properly throughout.
8967 * config/m32c/minmax.md: Likewise.
8968 * config/m32c/prologue.md: Likewise.
8969 * config/m32c/bitops.md: Likewise.
8970 * config/m32c/muldiv.md: Likewise.
8971 * config/m32c/mov.md: Likewise.
8972 * config/m32c/addsub.md: Likewise.
8973 * config/m32c/m32c.md: Likewise.
8974 * config/m32c/jump.md: Likewise.
8975 * config/m32c/shift.md: Likewise.
8977 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8978 conditionally output the pattern for this.
8979 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8980 (m32c_compare_redundant): New.
8981 (m32c_output_compare): New.
8982 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8984 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8985 dest, not src. Allow other 4-byte modes.
8987 2006-03-30 Denis Chertykov <denisc@overta.ru>
8989 * doc/md.texi: Refer to avr/constraints.md instead of
8992 2006-03-30 Roger Sayle <roger@eyesopen.com>
8994 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8995 signed vs. unsigned comparison failures on some hosts.
8997 2006-03-31 Alan Modra <amodra@bigpond.net.au>
9000 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
9001 change to FLOAT_REGS.
9003 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
9004 (rs6000_override_options): Use it.
9005 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
9006 only for -mabi=spe/no-spe and -mabi=altivec.
9008 2006-03-30 Geoffrey Keating <geoffk@apple.com>
9010 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
9013 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
9015 * Makefile.in: Rename docdir to gcc_docdir.
9017 2006-03-30 Roger Sayle <roger@eyesopen.com>
9020 * expr.c (emit_group_store): Optimize group stores into a pseudo
9021 register by using a paradoxical subreg to initialize the destination
9022 if the first or last member of the group specifies a "low part".
9024 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9027 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
9028 * target.h (struct gcc_target.speculate_insn): Change type of the
9029 second parameter to 'int'.
9030 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
9031 the second operand of the DEPS_LIST.
9032 (copy_DEPS_LIST_list): Update reference to the second operand of the
9034 * rtl.h (alloc_DEPS_LIST): Update signature.
9035 * sched-int.h (ds_t): Change typedef to 'int'.
9036 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9038 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9040 * haifa-sched.c (try_ready): Change condition to restore
9041 non-speculative pattern of the instruction.
9042 (process_insn_depend_be_in_spec): Code to keep probability of the
9043 speculative dependence non-decreasing.
9045 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9047 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9048 (single_move_for_movmem): ... this. Also change all uses.
9049 (bfin_expand_strmov): Renamed to...
9050 (bfin_expand_movmem): ... this. Also change all uses.
9051 * config/bfin/bfin.md (movstrsi): Renamed to...
9052 (movstrsi): ...this.
9054 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9056 PR tree-optimization/26830
9058 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9059 (copy_prop_visit_stmt): Remove write-only variable ann.
9060 (init_copy_prop): Check variable loop depth here. Do not simulate
9061 memory-tag and virtual operand PHIs except for store copy prop.
9063 2006-03-30 Richard Guenther <rguenther@suse.de>
9065 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9066 variants with double arguments.
9068 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9070 * genpreds.c (write_tm_constrs_h): Delete variable p.
9071 * genconditions.c (write_header): Add tm-constrs.h to included
9073 * genpeep.c (main): Add toplev.h to included headers.
9074 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9075 (build/genpeep.o): Add toplev.h dependency.
9076 * config/rs6000/constraints.md: Add "W" constraint.
9078 2006-03-29 Roger Sayle <roger@eyesopen.com>
9080 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9081 sizes by correctly testing whether the size fits a host integer.
9082 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9083 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9084 SImode range for the default sizetype and bitsizetype.
9086 2006-03-29 Roger Sayle <roger@eyesopen.com>
9088 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9089 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9090 quickly if the argument is already of the correct type.
9091 Call fold_build1 instead of build1. Tidy up blank lines.
9093 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9095 * genemit.c (main): Add tm-constrs.h to included headers.
9096 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9097 * genpeep.c (main): Add tm-constrs.h to included headers.
9098 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9099 (write_tm_constrs_h): this and write complete file.
9100 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9101 (write_insn_preds_c): Add tm-constrs.h to included headers.
9102 (gen_constrs): New variable.
9103 (parse_option): Parse "-c".
9104 (main): Invoke write_tm_constrs_h.
9105 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9106 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9107 (object_out_file): Add tm-constrs.h dependency.
9108 (insn-emit.o): Same.
9109 (insn-output.o): Same.
9110 (insn-peep.o): Same.
9111 (insn-preds.o): Same.
9112 (insn-recog.o): Same.
9113 (tm-constsr.h): New target.
9114 (s-constrs-h): New target.
9116 * config/rs6000/constraints.md: New file.
9117 * config/rs6000/rs6000.c: Include tm-constrs.h.
9118 (num_insn_constant_wide): Convert to satisfies_constraint.
9119 (rs6000_rtx_costs): Convert to satisfies_constraint.
9120 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9121 (CONST_OK_FOR_LETTER_P): Delete.
9122 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9123 (EXTRA_CONSTRAINT): Delete.
9124 (EXTRA_MEMORY_CONSTRAINT): Delete.
9125 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9126 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9127 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9128 satisfies_constraint.
9130 * config/i386/i386.c: Include tm-constrs.h.
9132 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9134 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9135 * tree-data-ref.c (find_data_references_in_loop,
9136 compute_data_dependences_for_loop): Use pointers to VEC.
9137 (analyze_all_data_dependences): Adjust calls.
9138 * tree-data-ref.h (find_data_references_in_loop,
9139 compute_data_dependences_for_loop): Adjust declarations.
9140 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9141 compute_data_dependences_for_loop.
9143 2006-03-29 Paul Brook <paul@codesourcery.com>
9145 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9148 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9150 PR tree-optimization/26859
9151 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9153 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9154 for the step after fold_convert.
9156 2006-03-29 Paul Brook <paul@codesourcery.com>
9158 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9159 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9161 2006-03-29 Paul Brook <paul@codesourcery.com>
9164 * targhooks.c (default_narrow_bitfield): New fuction.
9165 * targhooks.h (default_narrow_bitfield): add prototype.
9166 * target.h (gcc_target): Add narrow_volatile_bitfield.
9167 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9168 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9169 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9170 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9172 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9174 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9176 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9177 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9178 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9179 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9180 (s390_function_arg_float): Allow SDmode and DDmode values to be
9181 passed in floating point registers.
9182 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9183 check with SCALAR_FLOAT_MODE_P.
9184 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9186 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9188 PR tree-optimization/25985
9189 * tree-ssa-loop-niter.c (number_of_iterations_le,
9190 number_of_iterations_ne): Make comments more precise.
9191 (number_of_iterations_cond): Add only_exit argument. Use the
9192 fact that signed variables do not overflow only when only_exit
9194 (loop_only_exit_p): New.
9195 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9196 number_of_iterations_cond.
9198 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9200 PR tree-optimization/26643
9201 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9204 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9206 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9207 (divsi3_i4_int): Likewise.
9209 2006-03-28 Roger Sayle <roger@eyesopen.com>
9211 * expr.c (emit_group_store): Only create a new pseudo reg if the
9212 quantity it needs to hold isn't already a suitable pseudo.
9214 2006-03-28 Jeff Law <law@redhat.com>
9216 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9217 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9219 2006-03-28 Roger Sayle <roger@eyesopen.com>
9221 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9222 the equivalent ~X & Y, and the symmetry related transformations.
9223 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9224 ~X & Y, and symmetry related transforms.
9226 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9228 Revert my 2006-03-27 patches.
9230 2006-03-28 Roger Sayle <roger@eyesopen.com>
9232 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9233 ~(T1)X, when T1 and T2 are integer types of the same precision
9234 and (T2)X isn't an extension.
9236 2006-03-28 Jeff Law <law@redhat.com>
9238 PR tree-optimization/26796
9239 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9240 need EH edge cleanups rather than purging them immediately.
9241 (eliminate_degenerate_phis): Handle queued EH cleanups.
9243 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9245 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9248 2006-03-27 Roger Sayle <roger@eyesopen.com>
9251 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9252 cast BIT_NOT_EXPR operand to the correct type.
9254 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9256 * tree-loop-linear.c: Don't include varray.h.
9257 (gather_interchange_stats, try_interchange_loops,
9258 linear_transform_loops): Use VEC instead of VARRAY.
9259 * lambda-mat.c: Don't include varray.h.
9260 * tree-chrec.c: Same.
9261 * lambda-trans.c: Same.
9262 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9263 VEC instead of VARRAY.
9264 * tree-vectorizer.h: Idem.
9265 * tree-data-ref.c (dump_data_references,
9266 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9267 initialize_data_dependence_relation, finalize_ddr_dependent,
9268 compute_all_dependences, find_data_references_in_loop,
9269 compute_data_dependences_for_loop, analyze_all_data_dependences,
9270 free_dependence_relation, free_dependence_relations,
9271 free_data_refs): Idem.
9272 * tree-data-ref.h (data_reference_p, subscript_p): New.
9273 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9274 VEC instead of VARRAY.
9275 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9276 (find_data_references_in_loop, compute_data_dependences_for_loop,
9277 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9278 dump_data_dependence_relations, free_dependence_relations,
9279 free_data_refs): Adjust declaration.
9280 (lambda_transform_legal_p): Move declaration here...
9281 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9282 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9283 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9284 vect_analyze_data_refs): Use VEC instead of VARRAY.
9285 * lambda.h (lambda_transform_legal_p): ...from here.
9286 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9287 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9288 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9289 tree-chrec.o): Don't depend on VARRAY_H.
9291 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9293 * rtl.def (Copyright): Update date.
9294 (DEPS_LIST): Change type of the second operand to 'int'.
9295 * target.h (Copyright): Update date.
9296 (struct gcc_target.speculate_insn): Change type of the second parameter
9298 * lists.c (Copyright): Update date.
9299 (alloc_DEPS_LIST): Change signature. Update reference to the second
9300 operand of the DEPS_LIST.
9301 (copy_DEPS_LIST_list): Update reference to the second operand of the
9303 * rtl.h (Copyright): Update date.
9304 (alloc_DEPS_LIST): Update signature.
9305 * sched-int.h (Copyright): Update date.
9306 (ds_t): Change typedef to 'int'.
9307 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9309 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9311 * haifa-sched.c (Copyright): Update date.
9312 (try_ready): Change condition to restore non-speculative pattern
9314 (process_insn_depend_be_in_spec): Code to keep probability of the
9315 speculative dependence non-decreasing.
9317 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9319 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9320 shut up the compiler.
9322 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9324 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9325 to use lib prefix for target.
9326 ($(T)libic_invalidate_array_4-200.a): Likewise.
9327 ($(T)libic_invalidate_array_4a.a): Likewise.
9329 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9330 J"orn Rennecke <joern.rennecke@st.com>
9332 * superh.opt: New file.
9333 * sh.c (boardtype, osruntime): Remove.
9334 * superh.h (SUBTARGET_OPTIONS): Remove.
9335 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9337 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9338 arguments with ^ and/or [].
9340 * config.gcc (sh-*-*): Add quoting to account for quirk of
9342 Replace == with = in enable_incomplete_targets test.
9344 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9345 with MASK_LITTLE_ENDIAN.
9347 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9348 * config/sh/sh.opt: Added to some comments.
9349 * config/sh/superh.h: Removed some chaff.
9351 * config/sh/sh.opt: Add m4-[1234]00* options.
9352 * config/sh/sh.c (sh_handle_option): Likewise.
9353 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9354 (ic_invalidate_array_4-100.o): New rule.
9355 ($(T)libic_invalidate_array_4-100.a): Likewise.
9356 (ic_invalidate_array_4-200.o): Likewise.
9357 ($(T)libic_invalidate_array_4-200.a): Likewise.
9358 (ic_invalidate_array_4a.o): Likewise.
9359 ($(T)libic_invalidate_array_4a.a): Likewise.
9360 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9361 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9363 * config/sh/crt1.asm: Merged in profiling code.
9364 * config/sh/superh.h (STARTFILE_SPEC): Override.
9365 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9366 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9367 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9369 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9370 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9371 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9373 * sh.opt (mpretend-cmove): New option.
9374 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9375 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9376 (movsicc): Add TARGET_PRETEND_CMOVE code.
9378 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9380 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9381 s390_class_max_nregs): New function prototypes.
9382 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9383 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9384 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9385 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9387 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9389 * dwarf2out.c (add_location_or_const_value_attribute): Call
9390 tree_add_const_value_attribute if nothing else works.
9391 (reference_to_unused): New.
9392 (rtl_for_decl_init): Use reference_to_unused to decide whether
9393 to output an initializer.
9395 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9398 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9399 peephole removing spe frob_di_df_2.
9401 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9403 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9404 (subscript_dependence_tester_1): Declared.
9405 (print_dir_vectors, print_dist_vectors): New.
9406 (debug_data_dependence_relation): New.
9407 (dump_data_dependence_relation): Print more details.
9408 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9409 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9410 (save_dist_v, save_dir_v, add_outer_distances,
9411 build_classic_dist_vector_1): New.
9412 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9413 Don't test for lambda_vector_lexico_pos.
9414 (same_access_functions, add_multivariate_self_dist,
9415 add_other_self_distances, dir_from_dist): New.
9416 (build_classic_dir_vector): Replace implementation almost identical to
9417 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9419 (subscript_dependence_tester_1): New.
9420 (subscript_dependence_tester): Handle the lexicographically negative
9421 distance vectors by recomputing the dependence relation.
9422 (compute_affine_dependence): Remove parameter loop_nest_depth.
9423 (compute_self_dependence): Don't call compute_subscript_distance.
9424 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9425 Add a parameter for the loop_nest.
9426 (find_loop_nest_1, find_loop_nest): New.
9427 (compute_data_dependences_for_loop): Compute the loop nest, and give
9428 up if the nest is not well formed.
9429 * tree-data-ref.h (loop_p): New.
9430 (struct data_dependence_relation): Replace size_vect field with
9431 loop_nest, a vec of loops.
9432 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9433 (DDR_LOOP_NEST): New.
9434 (print_dir_vectors, print_dist_vectors,
9435 debug_data_dependence_relation): Declared.
9436 (index_in_loop_nest): New.
9437 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9438 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9441 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9443 * simplify-rtx.c (simplify_relational_operation): Call
9444 simplify_relational_operation_1 even if mode is VOIDmode.
9446 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9448 PR tree-optimization/26804
9449 * tree.h (DECL_CALL_CLOBBERED): New macro.
9450 (tree_decl_common): Add call_clobbered_flag.
9451 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9452 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9453 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9454 (mark_non_addressable): Ditto.
9455 * tree-ssa.c (verify_call_clobbered): New function.
9456 (verify_alias_info): Use it.
9457 * tree-pass.h (pass_reset_cc_flags): New prototype.
9458 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9459 (reset_cc_flags): New function.
9460 * passes.c (init_optimization_passes): Call reset_cc_flags after
9461 initializing referenced_vars.
9463 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9464 Roger Sayle <roger@eyesopen.com>
9467 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9468 to 1.0 for non-real operands. Implement A / A optimization for
9471 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9473 * config/i386/i386.c (size_cost): Correct the comment for
9474 cost of storing fp registers.
9475 (i386_cost): Likewise.
9476 (i486_cost): Likewise.
9477 (pentium_cost): Likewise.
9478 (pentiumpro_cost): Likewise.
9479 (k6_cost): Likewise.
9480 (athlon_cost): Likewise.
9481 (k8_cost): Likewise.
9482 (pentium4_cost): Likewise.
9483 (nocona_cost): Likewise.
9484 (generic64_cost): Likewise.
9485 (generic32_cost): Likewise.
9487 2006-03-24 Denis Chertykov <denisc@overta.ru>
9489 * config/avr/avr-protos.h (extra_constraint): Delete.
9490 (extra_constraint_Q): New declaration.
9491 * config/avr/constraints.md: New file.
9492 * config/avr/avr.md: Include it.
9493 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9494 (TMP_REGNO, ZERO_REGNO): Likewise.
9495 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9496 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9497 (extra_constraint): Delete.
9498 (extra_constraint_Q): Test for memory constraint 'Q'.
9499 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9500 (REG_CLASS_FROM_LETTER): Delete.
9501 (CONST_OK_FOR_LETTER_P): Delete.
9502 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9503 (EXTRA_CONSTRAINT): Delete.
9504 (TMP_REGNO): Delete.
9505 (ZERO_REGNO): Delete.
9507 2006-03-24 Jeff Law <law@redhat.com>
9509 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9510 directly. Call mark_new_vars_to_rename slightly earlier.
9512 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9514 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9516 (gen_compile_unit_die): Use new language types for Objective-C and
9518 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9519 DW_LANG_C_plus_plus.
9522 * config/t-darwin (crt3.o): Work around bug 26840.
9523 * config/darwin-crt3.c: Rewrite.
9524 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9526 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9528 * doc/invoke.texi: Document -femit-class-debug-always
9529 * common.opt: Add -femit-class-debug-always.
9531 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9533 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9534 index and base register.
9535 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9536 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9537 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9538 REGNO_OK_FOR_INDEX_P.
9539 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9541 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9542 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9543 REG_OK_FOR_BASE_P): Definitions removed.
9545 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9548 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9549 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9550 set yet or weren't marked as local yet.
9552 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9554 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9557 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9559 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9560 (rs6000_legitimate_small_data_p): Delete.
9561 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9562 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9563 and make static. Add forward declaration. Update uses.
9564 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9565 of offsettable_memref_p.
9566 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9567 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9569 2006-03-24 Jeff Law <law@redhat.com>
9571 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9572 around bug in immediate-use iterator.
9574 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9577 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9578 or __LITTLE_ENDIAN__.
9580 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9582 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9583 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9584 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9585 * config/sh/sh.opt (mdiv=): Amend description.
9586 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9587 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9588 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9589 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9590 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9591 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9592 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9593 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9594 TARGET_DIVIDE_CALL_FP.
9596 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9598 * haifa-sched.c (choose_ready): Fix type of the local variable.
9599 Move local variables. Add comment.
9600 (check_reg_live): Change signature. Make callable from debugger.
9601 * sched-int.h (check_reg_live): Update signature.
9602 * sched-ebb.c (check_reg_live): Update parameters.
9603 * sched-rgn.c (check_reg_live): Ditto.
9604 (region_head_or_leaf_p): Check pointer before dereferencing.
9605 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9606 before reload on optimization levels below 1.
9608 2006-03-23 Richard Henderson <rth@redhat.com>
9610 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9614 * config/alpha/predicates.md (local_symbolic_operand): Reject
9617 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9620 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9621 expressions which have overflowed constants.
9623 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9625 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9627 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9629 * cfgloopmanip.c (create_loop_notes): Removed.
9630 * final.c (final_scan_insn): Do not handle loop notes.
9631 * jump.c (squeeze_notes): Ditto.
9632 * cfglayout.c (skip_insns_after_block,
9633 duplicate_insn_chain): Ditto.
9634 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9636 * cfgloop.h (create_loop_notes): Declaration removed.
9638 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9640 * varasm.c (output_constant_pool): Restore fnname and fndecl
9642 (assemble_start_function): Adjust call accordingly.
9643 (assemble_end_function): Likewise.
9645 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9648 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9651 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9653 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9656 * system.h (ICE_EXIT_CODE): New macro.
9657 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9658 (diagnostic_action_after_output): Likewise.
9659 * gcc.c (fatal_ice): New function.
9660 (execute): Use it instead of fatal.
9661 (fancy_abort): Likewise.
9662 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9664 2006-03-22 Jeff Law <law@redhat.com>
9666 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9667 iv_analyze_result returning false.
9669 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9671 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9673 2006-03-22 Richard Henderson <rth@redhat.com>
9676 * except.c (duplicate_eh_regions_0): New.
9677 (duplicate_eh_region_1): Duplicate the children of the node as
9678 well as the node itself. Link them up properly.
9679 (duplicate_eh_region_2): Merge into ...
9680 (duplicate_eh_regions): ... here. Take copy_region argument, and
9681 copy only a sub-tree if asked. Simplify copying and fixup.
9682 (eh_region_outer_p): New.
9683 * except.h (duplicate_eh_regions): Update decl.
9684 (eh_region_outer_p): Declare.
9685 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9686 (lower_omp_master): Likewise.
9687 (lower_omp_ordered): Likewise.
9688 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9689 (move_stmt_r): Use it to remap labels. Handle recursion vs
9690 remap_decls_p properly.
9691 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9692 (find_outermost_region_in_block): New.
9693 (new_label_mapper): New.
9694 (move_sese_region_to_fn): Copy eh information to the new function
9696 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9698 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9701 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9703 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9704 into shared libraries.
9706 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9708 * doc/md.texi: Refer to i386/constraints.md instead of
9710 * config/i386/constraints.md: New file, extracted from...
9711 * config/i386/predicates.md: ...here.
9712 * config/i386/i386.md: Include constraints.md.
9714 2006-03-21 Jason Merrill <jason@redhat.com>
9716 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9719 * expr.c (init_block_move_fn): Force default visibility.
9720 (init_block_clear_fn): Likewise.
9721 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9722 * targhooks.c (default_external_stack_protect_fail): Likewise.
9724 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9726 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9727 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9728 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9729 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9730 (loadgp): Use mips_current_loadgp_style.
9731 (loadgp_noshared): New pattern.
9732 (sibcall_internal): Use MIPS_CALL.
9733 (sibcall_value_internal): Likewise.
9734 (sibcall_value_multiple_internal): Likewise.
9735 (call_internal): Likewise.
9736 (call_value_internal): Likewise.
9737 (call_value_multiple_internal): Likewise.
9738 (call_split): Use MIPS_CALL and add an 'S' constraint.
9739 (call_value_split): Likewise.
9740 (call_value_multiple_split): Likewise.
9741 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9742 (-mshared): New option.
9743 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9744 (mips_current_loadgp_style): Declare.
9745 * config/mips/mips.c (mips_classify_symbol): Avoid using
9746 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9747 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9748 TARGET_ABSOLUTE_ABICALLS.
9749 (override_options): Adjust comments. Improve the warning that is
9750 issued when -mabicalls and -G are used together.
9751 (mips_file_start): Remove comment.
9752 (mips_current_loadgp_style): New function.
9753 (mips_gnu_local_gp): New variable.
9754 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9756 (mips_output_function_prologue): Use mips_current_laodgp_style.
9757 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9758 the cprestore instruction.
9759 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9760 live for TARGET_ABSOLUTE_ABICALLS.
9761 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9762 (ASM_SPEC): Pass down -mshared and -mno-shared.
9763 (MIPS_CALL): New macro.
9764 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9766 * doc/invoke.texi (-mabicalls): Update documentation.
9767 (-mshared): Document.
9769 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9771 * config/ia64/unwind-hpux.c: New file.
9772 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9774 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9777 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9779 2006-03-21 Jeff Law <law@redhat.com>
9781 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9782 type conversions of a VR_VARYING source to a wider type.
9784 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9786 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9787 tm_file on Solaris 10 and later.
9788 (sparc64-*-solaris2*): Likewise.
9789 (sparc-*-solaris2*): Likewise.
9790 * config/sol26.h: Rename to config/sol2-6.h.
9791 * config/sol2-10.h: New file.
9793 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9796 * tree-ssa-pre.c (create_component_ref_by_pieces):
9799 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9802 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9803 return it immediately.
9805 2006-03-21 Michael Matz <matz@suse.de>
9807 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9809 (remove_arc, add_arc): Update num_out_arcs member.
9810 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9812 (cache_presence): New function.
9813 (compare_states_for_equiv): New function.
9814 (state_is_differed): Don't take number of outargs, adjust callers.
9815 Use new invariant for speeding up.
9816 (init_equiv_class): Create initial classes based on sorted
9818 (partition_equiv_class): Don't track out_arcs_num.
9819 (evaluate_equiv_classes): Call cache_presence on all states and
9822 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9824 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9825 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9826 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9827 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9829 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9830 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9831 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9832 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9833 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9835 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9836 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9837 (REGNO_REG_CLASS): ARGP is in PREGS.
9838 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9840 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9841 to deal with those addresses.
9842 * addresses.h: New file.
9843 * caller-save.c: Include "addresses.h".
9844 (init_caller_save): Use new base_reg_class function.
9845 * rtl-factoring.c: Include "addresses.h".
9846 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9847 * recog.c: Include "addresses.h".
9848 (preprocess_constraints): Use new base_reg_class function.
9849 * regrename.c: Include "addresses.h".
9850 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9851 functions. Keep track of a new var INDEX_CODE to compute valid
9853 (replace_oldest_value_addr): Likewise.
9854 (replace_oldest_value_mem): Use base_reg_class.
9855 * reload.c: Include "addresses.h".
9856 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9857 (find_reloads): Use new base_reg_class function.
9858 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9859 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9860 all callers and prototype changed.
9861 * reload1.c: Include "addresses.h".
9862 (maybe_fix_stack_asms): Use base_reg_class.
9863 * regclass.c: Include "addresses.h".
9864 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9865 (init_reg_autoinc): Use new base_reg_class function.
9866 (record_reg_classes): Likewise.
9867 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9868 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9869 Use new args to compute necessary class.
9871 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9872 regrename.o, rtl-factoring.o): Update dependencies.
9873 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9874 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9875 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9876 REG_OK_FOR_INDEX_P): Delete documentation.
9878 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9880 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9881 from V7 to V9 for Solaris 7 and above.
9883 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9885 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9886 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9887 argument pointers may not alias any other storage.
9888 * common.opt: Define option -fargument-noalias-anything.
9889 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9890 alias semantics is specified by flag_argument_noalias > 2.
9892 2006-03-20 Jeff Law <law@redhat.com>
9894 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9895 (pass_phi_only_cprop): Declare.
9896 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9898 * tree-ssa-dom.c (degenerate_phi_result): New function.
9899 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9900 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9901 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9902 (eliminate_degenerate_phis): Likewise.
9903 (pass_phi_only_cprop): New pass descriptor.
9904 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9905 support code. Callers updated.
9906 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9907 (store_copy_prop): Likewise.
9908 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9910 2006-03-20 Jason Merrill <jason@redhat.com>
9913 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9914 (push_visibility, pop_visibility): Likewise.
9915 * c-pragma.h: Declare them.
9917 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9919 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9921 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9922 parameter and use get_ebb_head_tail.
9923 (sh_md_init_global): Adjust uses of find_regmode_weight.
9925 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9927 * function.h (struct function) <x_tail_recursion_reentry>:
9928 Rename to x_stack_check_probe_note.
9929 (tail_recursion_reentry): Rename to stack_check_probe_note.
9930 * function.c: Replace tail_recursion_reentry with
9931 stack_check_probe_note everywhere.
9932 (expand_function_start): Only emit a note for
9933 stack_check_probe_note with -fstack-protect.
9934 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9936 * emit-rtl.c (remove_unnecessary_notes): Remove.
9937 (pass_remove_unnecessary_notes): Remove.
9938 * rtl.h (remove_unnecessary_notes): Remove prototype.
9939 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9940 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9941 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9943 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9946 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9947 (valid_in_set): Handle ARRAY_REF.
9948 Change "if min_variant or VH" to asserts.
9949 (create_component_ref_by_pieces): Handle ARRAY_REF.
9950 (create_expression_by_pieces): Likewise.
9951 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9953 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9955 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9956 is operand of switch, not str[0].
9958 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9960 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9961 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9963 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9965 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9966 end of insn_extra_address_constraint declaration.
9968 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9970 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9971 (no-sum-in-toc): Same.
9972 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9974 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9975 NO_FP_IN_TOC for -fPIC instead of mask.
9977 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9978 (BOOT_LDFLAGS): Delete.
9980 * config/rs6000/t-aix52: Same.
9982 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9983 (stmsi[345678]_power): New.
9985 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9987 * config/ia64/ia64.opt: Add empty line to end of file.
9989 2006-03-17 Richard Guenther <rguenther@suse.de>
9992 * builtins.c (get_pointer_alignment): For component style references
9993 adjust alignment to the component type alignment. Make sure
9994 to adjust alignment for component access of constants.
9996 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9998 * config/rs6000/rs6000.md (strlensi): Emit barrier after
10001 2006-03-17 Paul Brook <paul@codesourcery.com>
10003 * doc/install.texi: Docuemnt --with-mode.
10004 * config.gcc: Add --with-mode for arm*-*-*.
10005 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
10007 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
10009 * sh.c (max_labelno_before_reorg): New variable.
10010 (sh_reorg): Initialize it.
10011 (find_barrier): Check max_labelno_before_reorg before using
10012 label_to_alignment. Take length of explicit alignment insns
10013 into account. When seeing a UNSPECV_CONST_END, return it.
10015 * sh.c (fixup_mova): Set mode of affected label to QImode.
10016 (untangle_mova): New function.
10017 (find_barrier): Use it. Check mode of label before decrementing
10019 (sh_reorg): Likewise.
10020 Set mode of all insns back to VOIDmode.
10022 * sh.c (MOVA_LABELREF): New macro.
10023 (mova_p, fixup_mova, sh_reorg): Use it.
10024 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
10025 ADDR_DIFF_VEC matches mova.
10027 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
10029 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
10030 with ATTRIBUTE_UNUSED.
10032 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
10034 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10035 pointer, instead of assuming it is possible to derive the
10036 correct args size from a call insn.
10038 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10040 * rtl.h (CONST_INT_P): Define.
10041 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10042 instead of GET_CODE(x) == CONST_INT.
10043 (vax_rtx_costs): Likewise.
10044 (vax_output_int_move): Likewise.
10045 (vax_output_int_add): Likewise.
10046 (legitimate_constant_address_p): Likewise.
10047 (index_term_p): Likewise.
10048 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10049 * config/vax/vax.md (and<mode>3): Likewise.
10050 (ashrsi3): Likewise.
10052 (movstricthi): Likewise.
10053 (movstrictqi): Likewise.
10054 (rotrsi3): Likewise.
10055 (five unnamed insns): Likewise.
10057 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10059 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10060 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10061 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10062 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10063 Pass to ASM_OUTPUT_DWARF_OFFSET.
10064 * dwarf2out.c (debug_frame_section): New.
10065 (output_call_frame_info): Use debug_frame_section. Pass it to
10066 dw2_asm_output_offset.
10067 (output_die): Pass appropriate section to dw2_asm_output_offset.
10068 (output_compilation_unit_header): Likewise.
10069 (output_pubnames): Likewise.
10070 (output_aranges): Likewise.
10071 (enum dw_val_class): Break dw_val_class_lbl_offset into
10072 dw_val_class_lineptr and dw_val_class_macptr.
10073 (add_AT_lbl_offset): Delete.
10074 (add_AT_lineptr): New.
10075 (add_AT_macptr): New.
10076 (AT_lbl): Expect a lineptr or macptr.
10077 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10078 (attr_checksum): Likewise.
10079 (same_dw_val_p): Likewise.
10080 (size_of_die): Likewise.
10081 (value_format): Likewise.
10082 (output_die): Likewise.
10083 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10085 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10086 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10087 * config/darwin-protos.h (darwin_file_start): New.
10088 (darwin_asm_output_dwarf_offset): New.
10089 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10090 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10092 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10093 if not EH section; simplify.
10094 (darwin_file_start): New.
10095 (darwin_asm_output_dwarf_offset): New.
10096 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10098 (DEBUG_INFO_SECTION): Likewise.
10099 (DEBUG_ABBREV_SECTION): Likewise.
10100 (DEBUG_ARANGES_SECTION): Likewise.
10101 (DEBUG_MACINFO_SECTION): Likewise.
10102 (DEBUG_LINE_SECTION): Likewise.
10103 (DEBUG_LOC_SECTION): Likewise.
10104 (DEBUG_PUBNAMES_SECTION): Likewise.
10105 (DEBUG_STR_SECTION): Likewise.
10106 (DEBUG_RANGES_SECTION): Likewise.
10107 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10108 (ASM_OUTPUT_DWARF_OFFSET): New.
10110 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10112 * config.gcc (tm_defines): Always add to previous value rather
10115 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10117 * config/mips/predicates.md (splittable_const_int_operand): New,
10118 split from move_operand.
10119 (splittable_symbolic_operand): New.
10120 (move_operand): Add commentary. Use splittable_const_int_operand.
10121 Inline mips_atomic_symbolic_constant_p.
10122 * config/mips/mips.md: Add combine splitters for handling moves
10123 of splittable_const_int_operands and splittable_symbolic_operands.
10124 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10125 (mips_split_symbol): Declare.
10126 (mips_move_integer): Declare.
10127 * config/mips/mips.c (mips_split_p): Make global.
10128 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10129 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10130 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10131 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10132 (mips_offset_within_object_p): Handle block symbols.
10133 (mips_atomic_symbolic_constant_p): Delete.
10134 (mips_cannot_force_const_mem): Return false for constants that
10135 mips_legitimize_move can handle.
10136 (mips_use_blocks_for_constant_p): New function.
10137 (mips_split_symbol): Make global.
10138 (mips_move_integer): Likewise. Add a temporary register argument.
10139 (mips_legitimize_const_move): Use splittable_const_int_operand and
10140 splittable_symbolic_operand.
10141 (mips_use_anchors_for_symbol_p): New function.
10142 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10143 (mips_split_p): Declare.
10145 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10147 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10148 (mips*-*-linux*): Likewise.
10150 2006-03-16 Roger Sayle <roger@eyesopen.com>
10151 Daniel Speyer <dspeyer@wam.umd.edu>
10153 PR middle-end/18259
10154 * tree-dump.c (dump_real): New function.
10155 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10156 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10157 (tree-dump.o): Add $(REAL_H) to the dependencies.
10159 2006-03-16 Roger Sayle <roger@eyesopen.com>
10161 PR middle-end/21781
10162 * real.c (real_from_string): If the mantissa is zero, don't bother
10163 parsing the exponent as the result should always be zero.
10165 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10167 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10169 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10171 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10172 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10173 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10174 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10175 ia64_sched_finish_global): New static functions to implement
10176 hooks from gcc_target.sched.
10177 (spec_check_no, max_uid, pending_data_specs): New static variables.
10178 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10179 ia64_spec_check_src_p): New static functions.
10180 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10181 (TARGET_SCHED_ADJUST_COST): Removed.
10182 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10183 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10184 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10185 TARGET_SCHED_GEN_CHECK,
10186 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10187 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10188 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10189 Fixed to handle speculation checks.
10190 (rtx_needs_barrier): Fixed to handle speculative loads and
10192 (ia64_variable_issue): Added code to count speculative loads and their
10194 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10196 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10198 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10200 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10201 (ia64_reorg): Reset stops_p to NULL after it is freed.
10202 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10203 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10204 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10206 (data_speculative, control_speculative, check_load): New attributes.
10207 (mov<mode>_advanced, mov<mode>_speculative,
10208 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10209 zero_extend<mode>di2_speculative,
10210 zero_extend<mode>di2_speculative_advanced): New patterns for
10211 data and control speculative loads.
10212 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10214 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10215 New pattern for data and control speculation checks.
10216 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10217 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10218 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10219 Auxiliary definitions for the patterns.
10220 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10221 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10223 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10225 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10226 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10227 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10228 New resource constraints.
10229 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10231 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10232 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10233 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10234 msched-in-control-spec, msched-ldc, msched-control-ldc,
10235 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10236 msched-prefer-non-control-spec-insns,
10237 msched-count-spec-in-critical-path): New flags to tune speculative
10239 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10240 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10241 msched-in-control-spec, msched-ldc, msched-control-ldc,
10242 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10243 msched-prefer-non-control-spec-insns,
10244 msched-count-spec-in-critical-path): Document new flags.
10246 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10248 * target.h (struct spec_info_def): New opaque declaration.
10249 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10250 speculate_insn, needs_block_p, gen_check,
10251 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10252 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10253 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10254 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10255 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10256 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10258 (TARGET_SCHED): Use new macros.
10259 * rtl.h (copy_DEPS_LIST_list): New prototype.
10260 * sched-int.h (struct sched_info): Change signature of new_ready field,
10261 adjust all initializations. New fields: add_remove_insn,
10262 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10263 region_head_or_leaf_p.
10264 (struct spec_info_def): New structure declaration.
10265 (spec_info_t): New typedef.
10266 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10267 recovery_block, orig_pat.
10268 (glat_start, glat_end): New variables declaraions.
10269 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10271 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10272 DETACH_LIFE_INFO, USE_GLAT.
10273 (enum SPEC_SCHED_FLAGS): New enumeration.
10274 (NOTE_NOTE_BB_P): New macro.
10275 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10276 attach_life_info, debug_spec_status, check_reg_live): New functions.
10277 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10278 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10280 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10281 * ddg.c (get_block_head_tail): Adjust all uses.
10282 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10283 (sms_sched_info): Initialize new fields.
10284 (contributes_to_priority): Removed.
10285 * haifa-sched.c (params.h): New include.
10286 (get_block_head_tail): Adjust all uses.
10287 (ISSUE_POINTS): New macro.
10288 (glat_start, glat_end): New global variables.
10289 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10290 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10291 old_last_basic_block, before_recovery, current_sched_info_var,
10292 rgn_n_insns, luid): New static variables.
10293 (insn_cost1): New function. Move logic from insn_cost to here.
10294 (find_insn_reg_weight1): New function. Move logic from
10295 find_insn_reg_weight to here.
10296 (reemit_notes, move_insn, max_issue): Change signature.
10297 (move_insn1): Removed.
10298 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10299 extend_bb): New static functions to support extension of scheduler's
10301 (generate_recovery_code, process_insn_depend_be_in_spec,
10302 begin_speculative_block, add_to_speculative_block,
10303 init_before_recovery, create_recovery_block, create_check_block_twin,
10304 fix_recovery_deps): New static functions to support
10305 generation of recovery code.
10306 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10307 restore_bb_notes, move_block_after_check, move_succs): New static
10308 functions to support ebb scheduling.
10309 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10310 functions to support handling of register live information.
10311 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10312 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10313 add_jump_dependencies): New static functions.
10314 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10315 consistancy checking.
10316 (debug_spec_status): New function to call from debugger.
10317 (priority): Added code to handle speculation checks.
10318 (rank_for_schedule): Added code to distinguish speculative instructions.
10319 (schedule_insn): Added code to handle speculation checks.
10320 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10321 Fixed to handle ebbs.
10322 (move_insn): Added code to handle ebb scheduling.
10323 (max_issue): Added code to use ISSUE_POINTS of instructions.
10324 (choose_ready): Added code to choose between speculative and
10325 non-speculative instructions.
10326 (schedule_block): Added code to handle ebb scheduling and scheduling of
10327 speculative instructions.
10328 (sched_init): Initialize new variables.
10329 (sched_finish): Free new variables. Print statistics.
10330 (try_ready): Added code to handle speculative instructions.
10331 * lists.c (copy_DEPS_LIST_list): New function.
10332 * sched-deps.c (extend_dependency_caches): New function. Move logic
10333 from create_dependency_caches to here.
10334 (get_dep_weak, ds_merge): Make global.
10335 * genattr.c (main): Code to output prototype for
10336 dfa_clear_single_insn_cache.
10337 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10338 (output_dfa_clean_insn_cache_func): Code to output
10339 dfa_clear_single_insn_cache function.
10340 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10342 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10344 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10345 New static variables.
10346 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10347 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10349 (ebb_sched_info): Initialize new fields.
10350 (get_block_head_tail): Adjust all uses.
10351 (compute_jump_reg_dependencies): Fixed to use glat_start.
10352 (schedule_ebb): Code to remove unreachable last block.
10353 (schedule_ebbs): Added code to update register live information.
10354 * sched-rgn.c (region_sched_info): Initialize new fields.
10355 (get_block_head_tail): Adjust all uses.
10356 (last_was_jump): Removed. Adjust users.
10357 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10358 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10359 Implement new hooks.
10360 (check_dead_notes1): New static function.
10361 (struct region): New fields: dont_calc_deps, has_real_ebb.
10362 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10363 (BB_TO_BLOCK): Fixed to handle EBBs.
10364 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10365 (ebb_head): New static variable.
10366 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10367 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10369 (compute_dom_prob_ps): New assertion.
10370 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10371 global_live_at_start.
10372 (init_ready_list): New assertions.
10373 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10374 (new_ready): Add support for BEGIN_CONTROL speculation.
10375 (schedule_insns): Fixed code that updates register live information
10377 (schedule_region): Fixed to handle EBBs.
10378 (init_regions): Use extend_regions and check_dead_notes1.
10379 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10380 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10381 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10382 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10383 TARGET_SCHED_GEN_CHECK,
10384 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10385 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10386 * doc/invoke.texi (max-sched-insn-conflict-delay,
10387 sched-spec-prob-cutoff): Document.
10389 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10391 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10392 inter_tick, queue_index.
10393 (struct sched_info): Change signature of init_ready_list field.
10394 Adjust all initializations.
10395 (RESOLVED_DEPS): New access macro.
10396 (ready_add): Remove prototype.
10397 (try_ready): Add prototype.
10398 * sched-rgn.c (init_ready_list): Use try_ready.
10399 (schedule_region): Initialize
10400 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10401 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10402 (init_ready_list): Use try_ready.
10403 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10404 * lists.c (remove_list_elem): Remove `static'.
10405 (remove_free_INSN_LIST_elem): New function.
10406 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10407 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10408 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10410 (readyp): New variable.
10411 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10412 change_queue_index, resolve_dep): New static functions.
10413 (try_ready): New function. Adjust callers in sched-rgn.c and
10414 sched-ebb.c to use it instead of ready_add.
10415 (clock_var): Move at the begining of file.
10416 (rank_for_schedule): Fix typo.
10417 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10418 (ready_lastpos): Enforce assertion.
10419 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10420 update all callers.
10421 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10422 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10423 (queue_to_ready): Use free_INSN_LIST_list.
10424 (early_queue_to_ready): Fix typo.
10425 (schedule_block): Init readyp. Move init_ready_list call after the
10426 initialization of clock_var. Fix error in rejecting insn by
10427 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10428 that previously corrected INSN_TICKs. Add code for handling
10430 (set_priorities): Fix typo.
10431 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10432 Clarify comment and code that keeps current_sched_info->next_tail
10435 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10437 * sched-rgn.c (extend_rgns): New static function.
10438 (find_rgns): Use it.
10439 (gather_region_statistics, print_region_statistics): New static
10441 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10442 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10444 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10445 Andrey Belevantsev <abel@ispras.ru>
10447 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10448 * lists.c (unused_deps_list): New variable.
10449 (free_list): Add assertions to verify the proper distinguishing
10450 between INSN_LISTs and DEPS_LISTs.
10451 (find_list_elem, remove_list_elem, remove_list_node): New static
10453 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10454 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10455 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10456 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10458 (free_INSN_LIST_node): Likewise.
10459 * modulo-sched.c (current_sched_info): Initialize flags field.
10460 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10461 * rtl.def (DEPS_LIST): Define.
10462 * rtl.h: Declare new functions from lists.c.
10463 * sched-deps.c (spec_dependency_cache): New static variable.
10464 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10465 (add_dependence): Change return type to void. Move the logic to ...
10466 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10467 (delete_all_dependences): Add comment about forward_dependency_cache.
10468 Handle spec_dependency_cache. Handle DEPS_LISTs.
10469 (fixup_sched_groups): Clarify the change of priority of output
10470 and anti dependencies.
10471 (sched_analyze_2): Adjust add_dependence calls to create data
10472 speculative dependence.
10473 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10474 Adjust all callers. Handle DEPS_LISTS.
10475 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10476 presence of speculation.
10477 (init_dependency_caches, free_dependency_caches):
10478 Handle spec_dependency_cache.
10479 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10480 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10481 New static functions.
10482 (add_or_update_back_dep, add_or_update_back_forw_dep,
10483 add_back_forw_dep, delete_back_forw_dep): New functions.
10484 * sched-int.h (ds_t, dw_t): New typedefs.
10485 (struct sched_info): Add new field flags.
10486 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10487 Prototype new sched-deps.c functions.
10488 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10489 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10490 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10491 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10492 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10493 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10495 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10497 * sched-rgn.c (current_sched_info): Initialize flags field.
10498 (schedule_insns): Initialize current_sched_info before the sched_init
10500 * sched-ebb.c (current_sched_info): Initialize flags field.
10501 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10502 Call add_or_update_back_dep instead of add_dependence.
10503 Create control speculative dependencies.
10504 (schedule_insns): Initialize current_sched_info before the sched_init
10507 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10509 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10511 (sh_fallback_frame_state): Likewise.
10513 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10515 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10516 Do switch on default_use_cxa_atexit.
10517 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10518 * config/darwin-crt3.o: New.
10519 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10520 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10521 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10523 * config/rs6000/t-darwin: Move crt2.o building to here.
10524 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10525 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10528 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10530 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10531 from '! xxx' to '!xxx' for coding-style conformance.
10532 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10533 (EXTRA_CONSTRAINT): Likewise.
10534 * config/vax/vax.md (four unnamed insns): Likewise.
10536 2006-03-15 Paul Brook <paul@codesourcery.com>
10538 * config/arm/arm.c (minipool_pad): New.
10539 (add_minipool_forward_ref): Include pool alignment padding in address
10541 (push_minipool_fix): Set minipool_pad.
10542 (minipool_pad): Ditto.
10544 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10546 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10547 instead of GET_CODE() == MEM and REG_P() instead of
10549 (print_operand_address): Likewise.
10550 (vax_address_cost): Likewise.
10551 (vax_rtx_costs): Likewise.
10552 (vax_notice_update_cc): Likewise.
10553 (vax_output_int_add): Likewise.
10554 (INDEX_REGISTER_P): Likewise.
10555 (BASE_REGISTER_P): Likewise.
10556 (nonindexed_address_p): Likewise.
10557 (vax_mode_dependent_address_p): Likewise.
10558 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10559 (PRINT_OPERAND): Likewise.
10560 * config/vax/vax.md (ashlsi3): Likewise.
10561 (ashlsi3): Likewise.
10562 (some more unnamed insns): Likewise.
10564 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10566 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10567 iterator-style macro.
10568 (mark_control_dependent_edges_necessary): Update the use of
10569 EXECUTE_IF_CONTROL_DEPENDENT.
10571 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10573 * config/sh/predicates.md (cache_address_operand): Special.
10574 (ua_address_operand): Likewise.
10576 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10578 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10580 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10582 2006-03-15 Andreas Schwab <schwab@suse.de>
10584 * gensupport.c (identify_predicable_attribute): Don't free p_false
10585 when it is still in use.
10587 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10589 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10590 the default setting here.
10592 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10594 * tree-pass.h (pass_cfg): Remove.
10595 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10596 * passes.c (pass_cfg): Don't run it.
10598 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10600 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10601 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10603 (stack_regs_mentioned): Update the uses of
10604 stack_regs_mentioned_data. Don't access the array beyond its
10606 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10607 Don't include gt-reg-stack.h.
10609 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10610 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10612 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10614 PR middle-end/26684
10615 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10618 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10620 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10622 2006-03-14 Richard Guenther <rguenther@suse.de>
10624 PR tree-optimization/26672
10625 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10628 2006-03-14 Richard Guenther <rguenther@suse.de>
10630 PR tree-optimization/26667
10631 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10632 node for the callees. Always allow inlining if it will shrink
10635 2006-03-14 Richard Guenther <rguenther@suse.de>
10637 PR middle-end/26659
10638 * builtins.c (get_pointer_alignment): Prefer alignment
10639 information from decls over that from types.
10641 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10644 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10646 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10648 * config/rs6000/rs6000.opt (mdlmzb): New option.
10649 (msched-prolog, msched-epilog): Use Var not Mask.
10650 * doc/invoke.texi (-mdlmzb): Document.
10651 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10653 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10654 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10656 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10658 PR rtl-optimization/25739
10659 * bt-load.c (augment_live_range): Free tos pointer.
10661 * gensupport.c (identify_predicable_attribute): Free
10663 * gcov.c (create_file_names): Free name pointer.
10665 2006-03-13 Roger Sayle <roger@eyesopen.com>
10667 PR middle-end/26557
10668 * stmt.c (emit_case_nodes): Handle the case where the index is a
10669 CONST_INT, where the comparison mode is specified by the index type.
10671 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10673 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10676 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10678 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10679 (*branch_fp_inverted): Likewise.
10681 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10683 PR middle-end/25989
10684 * omp-low.c (expand_omp_for_generic): Mark istart0
10685 and iend0 as addressable.
10687 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10689 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10691 2006-03-13 Jeff Law <law@redhat.com>
10693 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10694 virtual operands are interesting.
10695 (vrp_visit_stmt): Corresponding changes.
10697 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10699 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10701 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10702 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10703 * config/bfin/crti.S: Use it instead of __PIC__.
10704 * config/bfin/crtn.S: Likewise.
10706 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10707 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10709 Lose 'G' modifier for call operand.
10710 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10711 recognize 'G' modifier.
10713 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10715 PR middle-end/18859
10716 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10717 * stmt.c (expand_case): Likewise.
10719 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10721 PR rtl-optimization/26254
10722 * loop-invariant.c (seq_insns_valid_p): New function.
10723 (move_invariant_reg): Only emit new code if it is valid.
10725 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10727 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10729 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10730 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10731 (commit_one_edge_insertion): Do not look for loop notes.
10733 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10735 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10736 flag_test_coverage out of loop.
10738 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10740 * final.c (shorten_branches): Remove outdated comment, and turn
10741 the if branch that guards it to continue.
10743 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10745 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10746 * cfgloop.h (struct loop): Remove unused fields.
10748 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10750 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10751 (-dL, -fdump-rtl-loop2): Update the dump file names
10753 * doc/invoke.texi: Update dump file names.
10755 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10757 * predict.c (estimate_probability): Remove.
10758 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10759 * basic-block.h (estimate_probability): Remove prototype.
10760 * passes.c (finish_optimization_passes): Dump branch prediction or
10761 profiling heuristics to the .profile tree dump.
10762 (init_optimization_passes): Unqueue pass_branch_prob.
10764 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10766 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10768 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10769 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10771 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10773 * function.h (frame_offset_overflow): Declare.
10774 * function.c (frame_offset_overflow): New function.
10775 (assign_stack_local_1): Call it to detect that the offset overflows.
10776 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10778 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10780 * config/sh/sh.c: Include alloc-pool.h.
10781 (label_ref_list_pool): New alloc pool.
10782 (label_ref_list_t): New type for lists of labels.
10783 (struct pool_node): Make wend a label_ref_list_t.
10784 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10786 (dump_table): Likewise.
10787 (sh_reorg): Set up the alloc pool before using add_constant and
10788 dump_table, and destroy it when finishing.
10790 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10792 * config/mips/mips.c: Remove redundant comment.
10794 2006-03-10 Jason Merrill <jason@redhat.com>
10797 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10798 the target was declared 'register'.
10800 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10802 * genpreds.c (write_insn_constraint_len): Change definition of
10803 insn_constraint_len to return size_t to match the declaration.
10805 2006-03-10 DJ Delorie <dj@redhat.com>
10807 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10809 (m32c_expand_insv): Fix test for an AND mask.
10811 2006-03-10 Richard Guenther <rguenther@suse.de>
10813 PR middle-end/26565
10814 * builtins.c (get_pointer_alignment): Handle component
10815 references for field alignment.
10817 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10819 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10820 when building with libgloss.
10821 (sh*elf): Implement --without-fp option.
10822 (sh64-superh-linux*): Don't multilib.
10824 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10826 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10828 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10830 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10831 Set it when one of the replacement functions returned true.
10832 Return TODO_cleanup_cfg if cfgchanged is true.
10833 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10835 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10837 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10838 instead of gen_lowpart.
10840 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10842 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10844 (mips_output_order_conditional_branch): Declare.
10845 * config/mips/mips.h (MIPS_BRANCH): New macro.
10846 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10847 for the comparison. Use gen_condjump.
10848 (mips_output_conditional_branch): Rework interface to take the
10849 asm templates for a direct branch and the inverse of a direct branch.
10850 (mips_output_order_conditional_branch): New function.
10851 (mips_builtin_branch_and_move): New function.
10852 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10853 branch condition. Use gen_single_cc as the condition for
10854 __builtin_mips_upper_* or __builtin_mips_lower_*.
10855 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10856 Use VOIDmode for the branch condition.
10857 * config/mips/predicates.md (order_operator): New predicate.
10858 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10859 (branch_fp): Rename to...
10860 (*branch_fp): ...this. Remove mode from comparison operator.
10861 Use new mips_output_conditional_branch interface.
10862 (branch_fp_inverted): Rename to...
10863 (*branch_fp_inverted): ...this and update as for *branch_fp.
10864 (*branch_zero<mode>): Rename to...
10865 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10866 Use mips_output_order_conditional_branch. Only accept ordered
10868 (*branch_zero<mode>_inverted): Rename to...
10869 (*branch_order<mode>_inverted): ...this and update as for
10870 *branch_order<mode>.
10871 (*branch_equality<mode>): Accept zero as the second operand to
10872 the equality operator. Use the new mips_output_conditional_branch
10874 (*branch_equality<mode>_inverted): Likewise.
10875 (condjump): New expander.
10876 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10878 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10879 (bc1any2t, bc1any2f): Likewise.
10880 (single_cc): New expander.
10881 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10883 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10885 * doc/md.texi: Update documentation of MIPS constraints.
10886 * config/mips/constraints.md: New file.
10887 * config/mips/mips.md: Include it.
10888 * config/mips/mips.c (mips_char_to_class): Delete.
10889 (override_options): Don't initialize mips_char_to_class.
10890 * config/mips/mips.h (mips_char_to_class): Delete.
10891 (REG_CLASS_FROM_LETTER): Delete.
10892 (CONST_OK_FOR_LETTER_P): Delete.
10893 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10894 (EXTRA_CONSTRAINT_Y): Delete.
10895 (EXTRA_CONSTRAINT_STR): Delete.
10896 (CONSTRAINT_LEN): Delete.
10897 (EXTRA_MEMORY_CONSTRAINT): Delete.
10899 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10901 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10902 original fn's eh regions.
10904 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10906 * fold-const.c (build_range_check): Make sure to use a valid type to
10907 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10910 (range_predecessor): New static function.
10911 (range_successor): Likewise.
10912 (merge_ranges): Use them to compute predecessors and successors of
10915 2006-03-09 Roger Sayle <roger@eyesopen.com>
10917 PR middle-end/26561
10918 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10919 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10921 2006-03-08 DJ Delorie <dj@redhat.com>
10923 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10924 (addpsi3): Expand to include memory operands. Remove
10925 reload-specific splits.
10926 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10927 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10928 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10929 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10930 (shift1_qi, shift1_hi, insv): New.
10931 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10932 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10933 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10935 * config/m32c/m32c-protos.h: Update as needed.
10936 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10937 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10938 Fail for unrecognized R* constraints.
10939 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10940 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10941 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10943 (m32c_init_libfuncs): New.
10944 (m32c_legitimate_address_p): Add debug wrapper.
10945 (m32c_rtx_costs): New.
10946 (m32c_address_cost): New.
10947 (conversions): Add 'B' prefix.
10948 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10949 operands, or word regnames for QI operands. 'B' prints bit
10951 (m32c_expand_setmemhi): New.
10952 (m32c_expand_movmemhi): New.
10953 (m32c_expand_movstr): New.
10954 (m32c_expand_cmpstr): New.
10955 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10956 (m32c_expand_neg_mulpsi3): Handle non-ints.
10957 (m32c_cmp_flg_0): New.
10958 (m32c_expand_movcc): New.
10959 (m32c_expand_insv): New.
10960 (m32c_scc_pattern): New.
10961 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10962 a0/a1 out of SIregs.
10963 (STORE_FLAG_VALUE): New.
10964 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10967 * config/m32c/mov.md: Make constraints more liberal.
10968 (zero_extendqihi2): Optimize r0/r1 case.
10969 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10970 * config/m32c/predicates.md (m32c_any_operand): New.
10971 (m32c_nonimmediate_operand): New.
10972 (m32c_hl_operand): New.
10973 (m32c_r3_operand): New.
10976 (memsym_operand): New.
10977 (memimmed_operand): New.
10978 (a_qi_operand): New.
10979 (m32c_eqne_operator): New.
10980 (m32c_1bit8_operand): New.
10981 (m32c_1bit16_operand): New.
10982 (m32c_1mask8_operand): New.
10983 (m32c_1mask16_operand): New.
10984 * config/m32c/blkmov.md: New file.
10985 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10987 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10989 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10990 unsigned to fix signed/unsigned comparison issue in
10991 DWARF2_FRAME_REG_OUT.
10992 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10993 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10995 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10996 of ptr into the ENABLE_CHECKING section.
10998 2006-03-08 Jeff Law <law@redhat.com>
11000 * tree-vrp.c (infer_value_range): Only count pointer uses
11001 and dereferences if -fdelete-null-pointer-checks is enabled.
11003 * tree-vrp.c (find_assert_locations): Infer value ranges for
11004 single use pointers, but do not create ASSERT_EXPRs for them.
11005 When a non-null range is inferred for a pointer, backwards
11006 propagate that range to other equivalent pointers through the
11009 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
11012 * Makefile.in (dvi, html, install-info): Invoke the corresponding
11013 language hook targets.
11014 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
11015 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
11016 if language hook targets were missing.
11018 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
11020 * tree-ssa-opfinalize.h: Removed.
11021 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
11023 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
11024 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
11025 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
11026 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
11027 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11028 finalize_ssa_v_must_def_ops): New.
11030 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
11032 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11033 block as parameter.
11035 2006-03-07 Geoffrey Keating <geoffk@apple.com>
11037 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11039 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11040 addresses with offsets; reorganize.
11042 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11043 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11044 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11046 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11049 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11051 2006-03-08 Ben Elliston <bje@au.ibm.com>
11053 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11055 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11058 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11061 2006-03-07 Richard Guenther <rguenther@suse.de>
11063 PR tree-optimization/26587
11064 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11066 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11068 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11070 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11072 * hooks.c (hook_bool_mode_rtx_true): New function.
11073 * hooks.h (hook_bool_mode_rtx_true): Declare.
11074 * toplev.c (compile_file): Call output_shared_constant_pool.
11075 * varasm.c (shared_constant_pool): New variable.
11076 (assemble_start_function, assemble_end_function): Remove arguments
11077 from call to output_constant_pool.
11078 (create_constant_pool): New function, split out from...
11079 (init_varasm_status): ...here.
11080 (force_const_mem): Choose between the shared and per-function constant
11081 pools. Set current_function_uses_const_pool when reusing old entries
11082 as well as when creating new ones.
11083 (mark_constant): Ignore data argument.
11084 (mark_constants): Remove pool argument.
11085 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11086 to decide whether the function uses a constant pool.
11087 (output_constant_pool_contents): New function, split out from...
11088 (output_constant_pool): ...here.
11089 (output_shared_constant_pool): New function.
11090 (init_varasm_once): Initialize shared_constant_pool.
11091 * output.h (output_constant_pool): Delete.
11092 (output_shared_constant_pool): Declare.
11093 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11094 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11096 2006-03-06 Nick Clifton <nickc@redhat.com>
11098 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11099 flag_strength_reduce.
11101 2006-03-06 Ben Elliston <bje@au.ibm.com>
11103 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11104 x86_64-*-linux* configurations.
11106 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11107 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11109 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11111 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11113 * basic-block.h: Remove the extern for
11114 rediscover_loops_after_threading.
11116 * cfgloop.c (cancel_loop): Make it static.
11117 * cfgloop.h: Remove the prototype for cancel_loop.
11119 * flow.c (recompute_reg_usage): Make it static.
11120 * rtl.h: Remove the prototype for recompute_reg_usage.
11122 * function.c (use_return_register): Make it static.
11123 * function.h: Remove the prototype.
11125 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11127 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11129 * recog.h: Remove the prototype for
11130 validate_change_maybe_volatile.
11132 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11134 * rtlanal.c (replace_reg): Remove.
11135 * rtl.h: Remove the prototype for replace_reg.
11137 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11139 * regclass.c (reg_scan_update): Remove.
11140 (reg_scan_mark_refs): Remove the last argument.
11141 * rtl.h: Remove the prototype for reg_scan_update.
11143 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11145 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11146 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11147 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11148 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11149 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11150 loop-invariant.c, omp-low.c, opts.c, passes.c,
11151 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11152 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11153 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11154 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11155 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11156 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11158 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11160 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11161 * dwarf2out.h: Remove the prototype for
11162 dwarf2out_add_library_unit_info.
11164 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11166 * tree.c (add_var_to_bind_expr): Remove.
11167 * tree.h: Remove the prototype for add_var_to_bind_expr.
11169 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11171 * regclass.c (n_non_fixed_regs): Remove.
11172 (init_reg_sets_1, globalize_reg): Remove all uses of
11174 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11176 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11178 * rtlanal.c (insns_safe_to_move_p): Remove.
11179 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11181 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11183 * expmed.c (expand_mult_add): Remove.
11184 * expr.h: Remove the prototype for expand_mult_add.
11186 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11188 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11189 and REG_SAVED_VAL_EXP constants.
11190 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11191 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11192 Handle regs stored by value.
11193 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11194 (execute_cfa_program): Handle DW_CFA_val_offset,
11195 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11196 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11197 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11198 (uw_install_context_1): Handle target regs stored by value.
11200 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11202 * tree-sra.c (tree_sra): Return todoflags;
11203 (generate_one_element): Set TODO_update_smt_usage if needed.
11204 (pass_sra): Remove TODO_update_smt_usage.
11205 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11207 (tree_ssa_forward_propagate_single_use_vars): Return
11208 TODO_update_smt_usage if we need to update SMT usage.
11209 (pass_forwprop): Remove TODO_update_smt_usage.
11211 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11213 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11214 (correct_use_link): Remove reference to get_stmt_operands.
11215 (update_stmt_operands): Likewise.
11216 (get_modify_expr_operands): New function factored out of
11217 parse_ssa_operands and get_expr_operands.
11218 Try to create V_MUST_DEFs for LHS by default.
11219 (get_expr_operands) <case MODIFY_EXPR>: Call
11220 get_modify_expr_operands.
11221 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11222 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11223 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11224 get_modify_expr_operands.
11226 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11228 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11229 * tree-flow.h: Remove the prototype for
11230 referenced_var_lookup_if_exists.
11232 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11234 PR rtl-optimization/26345
11236 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11238 2006-03-03 Roger Sayle <roger@eyesopen.com>
11240 PR tree-optimization/26524
11241 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11242 fold_convert to create a constant of the appropriate type.
11244 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11246 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11247 SYMBOL_REF_IN_BLOCK_P.
11248 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11249 of SYMBOL_FLAG_IN_BLOCK.
11250 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11251 instead of SYMBOL_REF_IN_BLOCK_P.
11252 * explow.c (use_anchored_address): Likewise.
11253 * rtl.c (rtx_size): Likewise.
11254 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11255 instead of SYMBOL_FLAG_IN_BLOCK.
11256 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11257 SYMBOL_REF_IN_BLOCK_P.
11258 (assemble_variable): Likewise.
11259 (output_constant_def_contents): Likewise.
11260 (output_constant_pool): Likewise.
11261 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11262 instead of SYMBOL_FLAG_IN_BLOCK.
11263 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11264 SYMBOL_REF_IN_BLOCK_P.
11265 (SYMBOL_REF_BLOCK): Likewise.
11266 (SYMBOL_REF_OFFSET): Likewise.
11267 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11268 SYMBOL_REF_IN_BLOCK_P.
11269 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11270 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11271 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11272 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11274 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11276 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11278 2006-03-02 Roger Sayle <roger@eyesopen.com>
11280 * simplify-rtx.c (simplify_unary_operation): When simplifying
11281 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11282 that we perform the right shift in the appropriate mode, and
11283 then extend or truncate the result to requested mode.
11285 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11287 * gengtype.c (main): Handle double_int type.
11288 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11289 * double-int.c: New file.
11290 * double-int.h: New file.
11291 * system.h: Include doubleint.h.
11292 * Makefile.in (SYSTEM_H): Include double-int.h.
11293 (double-int.o): Add.
11295 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11298 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11301 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11303 * tree-vrp.c (remove_range_assertions): Do not update statements
11306 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11308 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11310 * gcse.c (rest_of_handle_gcse): Ditto.
11311 * except.c (gate_handle_eh): Ditto.
11312 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11313 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11315 2006-03-02 Eric Christopher <echristo@apple.com>
11317 * config/i386/i386.c (machopic_output_stub): Add indirection to
11320 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11324 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11326 Sun Niagara specific optimizations.
11327 * config.gcc: Recognize niagara as target.
11328 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11329 (TARGET_CPU_niagara): Define.
11330 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11331 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11332 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11333 (ASM_CPU_SPEC): Likewise.
11334 (PROCESSOR_NIAGARA): New enum entry.
11335 (REGISTER_MOVE_COST): Handle Niagara.
11336 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11337 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11338 (sparc_override_options): Recognize "niagara", set appropriate
11339 default MASK_* values for it, and align functions to 32-bytes
11340 by default just like ULTRASPARC/ULTRASPARC3.
11341 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11342 (sparc64_initialize_trampoline): Likewise.
11343 (sparc_use_sched_lookahead): Use zero for niagara.
11344 (sparc_issue_rate): Use one for niagara.
11345 * config/sparc/niagara.md: New file.
11346 * config/sparc/sparc.md: Include it.
11347 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11348 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11349 when default cpu is niagara.
11350 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11351 (ASM_CPU_SPEC): Likewise.
11352 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11353 when default cpu is niagara.
11354 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11355 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11356 just like v9/ultrasparc/ultrasparc3.
11357 * doc/invoke.texi: Add documentation for "niagara" and improve
11358 existing documentation for ultrasparc variants.
11360 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11362 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11364 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11366 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11367 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11368 and say that only one is needed.
11369 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11370 * target.h (have_switchable_bss_sections): New hook.
11371 * explow.c (use_anchored_address): Check that the symbol is in a block.
11372 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11373 (bss_noswitch_section): New variables.
11374 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11375 (get_noswitch_section): New function.
11376 (get_block_for_section): Allow SECT to be null.
11377 (unlikely_text_section_p): Use SECTION_STYLE.
11378 (bss_initializer_p): New function.
11379 (get_variable_section): Move earlier in file. Take a new argument,
11380 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11381 Return one of the new *_sections in such cases.
11382 (get_block_for_decl): New function, extracting some logic from
11383 use_blocks_for_decl_p.
11384 (change_symbol_section): Remove in favor of...
11385 (change_symbol_block): ...this new function.
11386 (use_blocks_for_decl_p): Remove checks now performed by
11387 get_block_for_decl.
11388 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11389 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11390 (emit_local, emit_bss, emit_common): ...these new functions.
11391 Return true if the alignment was honored.
11392 (emit_tls_common): New function.
11393 (asm_emit_uninitialised): Delete.
11394 (assemble_variable_noswitch): New function, split out from...
11395 (assemble_variable): ...here. Don't make decisions about common
11396 variables here. Globalize all public decls that go into non-common
11397 sections. Check whether SYMBOL_REF_BLOCK is null.
11398 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11399 (output_constant_pool): Likewise.
11400 (init_varasm_once): Initialize the new section variables.
11401 (have_global_bss_p): New function.
11402 (categorize_decl_for_section): Use bss_initializer_p.
11403 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11404 (place_block_symbol): Assert that the symbol must be in a block.
11405 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11406 (TARGET_INITIALIZER): Include it.
11407 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11408 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11409 (SECTION_MACH_DEP): Bump by two.
11410 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11411 (unnamed_section): Mention SECTION_UNNAMED in comment.
11412 (named_section): Likewise SECTION_NAMED.
11413 (noswitch_section_callback): New type.
11414 (noswitch_section): New structure.
11415 (section): Add a noswitch_section alternative.
11416 (SECTION_STYLE): New macro.
11417 (tls_comm_section, comm_section, lcomm_section): Declare.
11418 (bss_noswitch_section, have_global_bss_p): Declare.
11419 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11420 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11422 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11423 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11426 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11428 * tree-vrp.c (execute_vrp): Return value.
11429 * regrename.c (rest_of_handle_regrename): Ditto.
11430 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11431 * tree-complex.c (tree_lower_complex): Ditto.
11432 (tree_lower_complex_O0): Ditto.
11433 * tracer.c (rest_of_handle_tracer): Ditto.
11434 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11435 * postreload.c (rest_of_handle_postreload): Ditto.
11436 * tree-tailcall.c (execute_tail_recursion): Ditto.
11437 (execute_tail_calls): Ditto.
11438 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11439 * tree.h (init_function_for_compilation): Ditto.
11440 * ipa-cp.c (ipcp_driver): Ditto.
11441 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11442 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11443 * final.c (compute_alignments): Ditto.
11444 (rest_of_handle_final): Ditto.
11445 (rest_of_handle_shorten_branches): Ditto.
11446 (rest_of_clean_state): Ditto.
11447 * omp-low.c (execute_expand_omp): Ditto.
11448 (execute_lower_omp): Ditto.
11449 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11450 * ipa-reference.c (static_execute): Ditto.
11451 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11452 * reorg.c (rest_of_handle_delay_slots): Ditto.
11453 (rest_of_handle_machine_reorg): Ditto.
11454 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11455 * flow.c (recompute_reg_usage): Ditto.
11456 (rest_of_handle_remove_death_notes): Ditto.
11457 (rest_of_handle_life): Ditto.
11458 (rest_of_handle_flow2): Ditto.
11459 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11460 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11461 (do_ssa_store_ccp): Ditto.
11462 (execute_fold_all_builtins): Ditto.
11463 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11464 * modulo-sched.c (rest_of_handle_sms): Ditto.
11465 * ipa-pure-const.c (static_execute): Ditto.
11466 * cse.c (rest_of_handle_cse): Ditto.
11467 (rest_of_handle_cse2): Ditto.
11468 * web.c (rest_of_handle_web): Ditto.
11469 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11470 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11471 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11472 * tree-nrv.c (tree_nrv): Ditto.
11473 (execute_return_slot_opt): Ditto.
11474 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11475 (create_structure_vars): Ditto.
11476 * loop-init.c (rtl_loop_init): Ditto.
11477 (rtl_loop_done): Ditto.
11478 (rtl_move_loop_invariants): Ditto.
11479 (rtl_unswitch): Ditto.
11480 (rtl_unroll_and_peel_loops): Ditto.
11481 (rtl_doloop): Ditto.
11482 * gimple-low.c (lower_function_body): Ditto.
11483 (mark_used_blocks): Ditto.
11484 * tree-ssa-sink.c (execute_sink_code): Ditto.
11485 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11486 (cgraph_early_inlining): Ditto.
11487 * global.c (rest_of_handle_global_alloc): Ditto.
11488 * jump.c (cleanup_barriers): Ditto.
11489 (purge_line_number_notes): Ditto.
11490 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11491 (rest_of_handle_if_after_reload): Ditto.
11492 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11493 (tree_ssa_loop_im): Ditto.
11494 (tree_ssa_loop_unswitch): Ditto.
11495 (tree_vectorize): Ditto.
11496 (tree_linear_transform): Ditto.
11497 (tree_ssa_loop_ivcanon): Ditto.
11498 (tree_ssa_empty_loop): Ditto.
11499 (tree_ssa_loop_bounds): Ditto.
11500 (tree_complete_unroll): Ditto.
11501 (tree_ssa_loop_prefetch): Ditto.
11502 (tree_ssa_loop_ivopts): Ditto.
11503 (tree_ssa_loop_done): Ditto.
11504 * predict.c (tree_estimate_probability): Ditto.
11505 * recog.c (split_all_insns_noflow): Ditto.
11506 (rest_of_handle_peephole2): Ditto.
11507 (rest_of_handle_split_all_insns): Ditto.
11508 * tree-eh.c (lower_eh_constructs): Ditto.
11509 * regmove.c (rest_of_handle_regmove): Ditto.
11510 (rest_of_handle_stack_adjustments): Ditto.
11511 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11512 * function.c (instantiate_virtual_regs): Ditto.
11513 (init_function_for_compilation): Ditto.
11514 (rest_of_handle_check_leaf_regs): Ditto.
11515 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11516 (rest_of_handle_gcse): Ditto.
11517 * ipa-type-escape.c (type_escape_execute): Ditto.
11518 * alias.c (rest_of_handle_cfg): Ditto.
11519 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11520 * profile.c (rest_of_handle_branch_prob): Ditto.
11521 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11522 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11523 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11524 * tree-dfa.c (find_referenced_vars): Ditto.
11525 * except.c (set_nothrow_function_flags): Ditto.
11526 (convert_to_eh_region_ranges): Ditto.
11527 (rest_of_handle_eh): Ditto.
11528 * emit-rtl.c (unshare_all_rtl): Ditto.
11529 (remove_unnecessary_notes): Ditto.
11530 * except.h (set_nothrow_function_flags): Ditto.
11531 (convert_to_eh_region_ranges): Ditto.
11532 * cfgexpand.c (tree_expand_cfg): Ditto.
11533 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11534 * tree-ssa-pre.c (do_pre): Ditto.
11535 (execute_fre): Ditto.
11536 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11537 (rest_of_handle_jump2): Ditto.
11538 * tree-sra.c (tree_sra): Ditto.
11539 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11540 (execute_mudflap_function_decls): Ditto.
11541 * tree-ssa-copy.c (do_copy_prop): Ditto.
11542 (do_store_copy_prop): Ditto.
11543 * ipa-prop.h (ipcp_driver): Ditto.
11544 * cfglayout.c (insn_locators_initialize): Ditto.
11545 * tree-ssa-forwprop.c
11546 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11547 * cfglayout.h (insn_locators_initialize): Ditto.
11548 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11549 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11550 (execute_late_warn_uninitialized): Ditto.
11551 * rtl.h (cleanup_barriers): Ditto.
11552 (split_all_insns_noflow): Ditto.
11553 (purge_line_number_notes): Ditto.
11554 (unshare_all_rtl): Ditto.
11555 (remove_unnecessary_notes): Ditto.
11556 (recompute_reg_usage): Ditto.
11557 (variable_tracking_main): Ditto.
11558 * integrate.c (emit_initial_value_sets): Ditto.
11559 * integrate.h (emit_initial_value_sets): Ditto.
11560 * tree-optimize.c (execute_free_datastructures): Ditto
11561 (execute_free_cfg_annotations): Ditto.
11562 (execute_fixup_cfg): Ditto.
11563 (execute_cleanup_cfg_pre_ipa): Ditto.
11564 (execute_cleanup_cfg_post_optimizing): Ditto.
11565 (execute_init_datastructures): Ditto.
11566 * tree-object-size.c (compute_object_sizes): Ditto.
11567 * combine.c (rest_of_handle_combine): Ditto.
11568 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11569 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11570 (rest_of_handle_reorder_blocks): Ditto.
11571 (rest_of_handle_partition_blocks): Ditto.
11572 * var-tracking.c (variable_tracking_main): Ditto.
11573 * tree-profile.c (tree_profiling): Ditto.
11574 * tree-vect-generic.c (expand_vector_operations): Ditto.
11575 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11576 * sched-rgn.c (rest_of_handle_sched): Ditto.
11577 (rest_of_handle_sched2): Ditto.
11578 * basic-block.h (free_bb_insn): Ditto.
11579 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11580 * tree-cfg.c (execute_build_cfg): Ditto.
11581 (remove_useless_stmts): Ditto.
11582 (split_critical_edges): Ditto.
11583 (execute_warn_function_return): Ditto.
11584 (execute_warn_function_noreturn): Ditto.
11585 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11586 * cfgrtl.c (free_bb_for_insn): Ditto.
11587 * passes.c (execute_one_pass): Run additional
11588 todos returned by execute function.
11589 * tree-pass.h (struct tree_opt_pass): Make execute
11592 2006-03-02 Richard Guenther <rguenther@suse.de>
11594 * tree-ssa-alias.c (find_used_portions): Consider taking
11595 the address as making the variable not write-only.
11597 2006-03-02 Nick Clifton <nickc@redhat.com>
11599 * config.gcc (default_use_cxa_atexit): Extend the description of
11600 this configure variable. Set its default value to "yes" for
11601 Linux, NetBSD and ELF targets on the assumption that they will
11602 use C libraries with the __cxa_atexit function.
11604 2006-03-02 Ben Elliston <bje@au.ibm.com>
11606 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11607 parameter as unused to suppress a build warning.
11609 2006-03-02 Ben Elliston <bje@au.ibm.com>
11611 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11614 2006-03-01 Roger Sayle <roger@eyesopen.com>
11617 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11618 declared name, the weak reference name, and the typeof name.
11619 (__gthrw): Avoid expanding the declared name suffix.
11620 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11622 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11624 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11626 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11627 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11628 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11629 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11630 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11631 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11632 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11633 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11634 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11635 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11636 (DW_END_default, DW_END_big, DW_END_little): New.
11637 (DW_END_lo_user, DW_END_hi_user): Define.
11638 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11639 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11640 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11643 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11645 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11647 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11649 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11651 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11653 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11654 to 'symbol_mem_tag'.
11656 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11659 2006-03-01 Roger Sayle <roger@eyesopen.com>
11661 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11663 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11666 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11667 MACHO_DYNAMIC_NO_PIC_P.
11668 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11670 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11673 * config/darwin-protos.h (darwin_asm_output_anchor):
11675 * config/darwin-sections.def (cstring_section):
11676 Add SECTION_MERGE to the flags.
11677 (literal4_section): Likewise.
11678 (literal8_section): Likewise.
11679 (objc_selector_refs_section): Likewise.
11680 (objc_cls_refs_section): Likewise.
11681 * config/darwin.c (darwin_asm_output_anchor): New
11683 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11685 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11687 Fix PR tree-optimization/26443
11688 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11689 to todo and PROP_tmt_usage to properties_destroyed.
11690 * tree-ssa-ccp.c (pass_ccp): Ditto.
11691 (pass_store_ccp): Ditto.
11692 * tree-ssa-dom.c (pass_dominator): Ditto.
11694 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11696 * tree-ssa-operands.c: Cleanup whitespace.
11697 (get_asm_expr_operands): Move before first invocation.
11698 (get_indirect_ref_operands): Likewise.
11699 (get_tmr_operands): Likewise.
11700 (get_call_expr_operands): Likewise.
11701 (append_def): Likewise.
11702 (append_use): Likewise.
11703 (append_v_may_def): Likewise.
11704 (append_v_must_def): Likewise.
11705 (add_call_clobber_ops): Likewise.
11706 (add_call_read_ops): Likewise.
11707 (add_stmt_operand): Likewise.
11708 (add_virtual_operand): Likewise.
11709 (build_ssa_operands): Likewise.
11711 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11713 PR middle-end/26022
11715 PR middle-end/24437
11716 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11717 with a call expr to ...
11718 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11720 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11722 * tree-vrp.c (extract_range_from_assert): Remove special
11723 handling for types with super-types.
11725 2006-03-01 Ben Elliston <bje@au.ibm.com>
11727 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11728 and powerpc64-*-linux* configurations.
11729 * config/t-dfprules: New file.
11731 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11732 Compile dfp-bit.c from the source directory using -DWIDTH and
11733 $DFP_CFLAGS to control the compilation of that file, rather than
11734 generating width-specific versions in the build directory.
11735 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11736 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11738 2006-02-28 Zack Weinberg <zackw@panix.com>
11740 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11743 2006-02-28 Eric Christopher <echristo@apple.com>
11745 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11746 Set up IN_LIBGCC definition of TARGET_64BIT.
11747 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11749 2006-02-28 Roger Sayle <roger@eyesopen.com>
11751 PR middle-end/14752
11752 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11753 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11754 cases via the construction of "expr != 0".
11756 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11758 * alias.c (alias_invariant, alias_invariant_size): Remove.
11759 (record_base_value): Remove.
11760 (memrefs_conflict_p): Don't look at alias_invariant.
11761 (end_alias_analysis): Don't free it.
11762 * alias.h (record_base_value): Remove prototype.
11764 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11765 Adam Nemet <anemet@caviumnetworks.com>
11767 * rtl.h (truncated_to_mode): Declare it.
11768 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11769 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11770 (RTL_HOOKS_INITIALIZER): Include it.
11771 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11772 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11773 reg_truncated_to_mode.
11774 * rtlanal.c (truncated_to_mode): Define it.
11775 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11777 2006-02-28 Jeff Law <law@redhat.com>
11779 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11780 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11781 the range allowed by TYPE_PRECISION.
11783 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11785 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11787 PR tree-optimization/26419
11788 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11791 2006-02-27 Zack Weinberg <zackw@panix.com>
11793 * doc/md.texi: Fix typo in previous change.
11795 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11799 2006-02-27 Zack Weinberg <zackw@panix.com>
11801 * rtl.def (define_constraint, define_register_constraint)
11802 (define_memory_constraint, define_address_constraint): New MD forms.
11803 * gensupport.c (process_rtx): Put define_constraint etc on the
11805 * genpreds.c (process_define_predicate): Adjust comment. Validate
11806 the name, and call validate_exp to validate the expression.
11807 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11808 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11809 all callers changed.
11810 (validate_exp, needs_variable, struct constraint_data)
11811 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11812 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11813 (const_dbl_constraints, constraint_max_namelen)
11814 (have_register_constraints, have_memory_constraints)
11815 (have_address_constraints, have_address_constraints)
11816 (have_extra_constraints, have_const_int_constraints)
11817 (have_const_dbl_constraints, mangle, add_constraint)
11818 (process_define_constraint, process_define_register_constraint)
11819 (write_enum_constraint_num, write_lookup_constraint)
11820 (write_insn_constraint_len, write_regclass_for_constraint)
11821 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11822 (write_insn_extra_memory_constraint)
11823 (write_insn_extra_address_constraint)
11824 (write_satisfies_constraint_fns): New.
11825 (write_tm_preds_h): If we have new-style constraint definitions,
11826 prototype the functions generated from them, and define the
11827 old constraint interface (still used by generic code) in terms of
11829 (write_insn_preds_c): If we have new-style constraint definitions,
11830 generate all relevant functions from those definitions.
11831 (main): Handle define_constraint etc.
11832 * genoutput.c (struct constraint_data, indep_constraints)
11833 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11834 (mdep_constraint_len): New data structures and functions, defined
11835 #ifdef USE_MD_CONSTRAINTS.
11836 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11837 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11838 use new logic to validate operand constraints against constraint
11840 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11842 * defaults.h: If none of the old-style constraint macros are
11843 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11844 old-style macros; and poison REG_CLASS_FROM_LETTER,
11845 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11847 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11848 * doc/md.texi: Document new constraint-definition mechanism and the
11849 C interface it provides. Remove references to old mechanism
11850 elsewhere in the document.
11851 (Machine Constraints): Use pathnames relative to gcc directory,
11852 i.e. config/ARCH/FILE. Change i386 section to refer to
11853 config/i386/predicates.md; update that section to match docstrings.
11854 * doc/tm.texi: Move all documentation of the old constraint-
11855 definition macros to their own section, clearly mark as obsolete.
11857 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11858 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11860 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11861 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11862 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11863 constraint strings.
11864 (splits and peepholes): Use satisfies_constraint_*.
11865 * config/i386/i386.c (memory_address_length)
11866 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11868 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11870 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11871 scalar operation to be put back into the loop.
11873 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11876 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11877 (extract_cie_info): Handle S flag in augmentation string.
11878 (execute_cfa_program): If context->signal_frame, execute also
11879 fs->pc == context->ra instructions.
11880 (uw_frame_state_for): If context->signal_frame, don't subtract one
11881 from context->ra to find FDE.
11882 (uw_update_context_1): Set context->signal_frame to
11884 (_Unwind_GetIPInfo): New function.
11885 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11886 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11888 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11889 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11890 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11891 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11892 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11893 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11894 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11895 x86_64_fallback_frame_state): Set fs->signal_frame.
11896 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11897 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11898 (frob_update_context): Likewise. Workaround missing S flag in
11899 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11900 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11901 Remove the psw_addr + 1 hack.
11903 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11905 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11906 with aggregates here.
11907 (find_func_aliases): Remove code for &<aggregate> from here.
11909 2006-02-26 Roger Sayle <roger@eyesopen.com>
11911 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11912 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11913 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11914 as (X & C) ne/eq 0.
11916 2006-02-26 Roger Sayle <roger@eyesopen.com>
11918 PR middle-end/19983
11919 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11921 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11923 * opts.c (decode_options): Do not handle flag_strength_reduce.
11924 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11925 and OPT_fstrength_reduce.
11926 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11927 flag_prefetch_loop_arrays for being nonzero.
11928 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11930 (fprefetch-loop-arrays-rtl): Removed.
11931 (flag_prefetch_loop_arrays): Do not specify the value.
11933 * doc/passes.texi: Update documentation of loop optimizer
11935 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11936 -frerun-loop-opt): Remove.
11938 2006-02-26 Richard Guenther <rguenther@suse.de>
11940 PR tree-optimization/26421
11941 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11942 in function calls that are ADDR_EXPRs as using the whole structure.
11944 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11946 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11947 * tree-pass.h (pass_loop_optimize): Remove.
11948 * passes.c (pass_loop_optimize): Never run it.
11949 * toplev.c (backend_init): Don't call init_loop.
11950 * opts.c (flag_loop_optimize_set): Remove.
11951 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11952 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11953 the old RTL loop optimizer when profiling enabled.
11954 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11955 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11956 pre-headers for the sake of the old RTL loop optimizer.
11957 * Makefile.in: Remove all references to loop.o.
11959 * doc/invoke.texi: Remove all references to -floop-optimize
11960 and -frerun-loop-opt.
11962 2006-02-26 Zack Weinberg <zackw@panix.com>
11964 * doc/md.texi (Machine Constraints): Refer to all files with paths
11965 relative to gcc directory (i.e. config/CPU/file). Add missing
11966 @table @code ... @end table to M32C subsection.
11968 2006-02-26 Roger Sayle <roger@eyesopen.com>
11970 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11972 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11974 2006-02-26 Roger Sayle <roger@eyesopen.com>
11975 James A. Morrison <phython@gcc.gnu.org>
11977 PR middle-end/21137
11978 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11979 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11980 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11981 signedness of the shift operation.
11983 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11985 PR tree-optimization/26359
11986 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11988 2006-02-25 Roger Sayle <roger@eyesopen.com>
11990 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11991 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11992 as X == 0, and some symmetry related transformations.
11993 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11995 2006-02-25 Roger Sayle <roger@eyesopen.com>
11997 PR middle-end/23673
11998 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11999 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
12000 symmetry related transformations. Fold (X^C1) == C2 as
12003 2006-02-25 Juergen Weigert <jw@suse.de>
12004 Richard Guenther <rguenther@suse.de>
12006 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
12008 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
12010 * combine.c (gen_lowpart_or_truncate): Call
12011 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
12013 2006-02-24 Diego Novillo <dnovillo@redhat.com>
12015 * doc/invoke.texi: Move -fopenmp description to "Options for
12017 Remove reference to -lgomp.
12019 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12021 * doc/install.texi: Require GNU tar version 1.14.
12023 2006-02-24 Geoffrey Keating <geoffk@apple.com>
12025 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
12026 * doc/invoke.texi (C++ Dialect Options): Document
12027 -fno-use-cxa-get-exception-ptr.
12028 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
12029 * configure: Regenerate.
12030 * c.opt (fuse-cxa-get-exception-ptr): New.
12031 * c-opts.c (c_common_handle_option): Handle
12032 OPT_fuse_cxa_get_exception_ptr.
12033 * c-common.c (flag_use_cxa_atexit): Update documentation.
12034 (flag_use_cxa_get_exception_ptr): New.
12035 * c-common.h (flag_use_cxa_get_exception_ptr): New.
12036 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12038 (C_COMMON_OVERRIDE_OPTIONS): New.
12040 2006-02-24 Roger Sayle <roger@eyesopen.com>
12042 PR middle-end/24952
12043 * combine.c (try_combine): Explicitly check whether GET_CODE is
12044 a SET or a CLOBBER, instead on checking that it isn't a USE.
12046 2006-02-24 Roger Sayle <roger@eyesopen.com>
12048 * fold-const.c (fold_comparison): New subroutine of fold_binary
12049 containing transformations common to both the equality and
12050 ordering relational operators, factored out of fold_binary.
12051 (fold_binary): Separate out the equality operators (EQ_EXPR
12052 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12053 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12054 transformations common to both.
12055 (fold_div_compare): Fix latent bugs in the previously unreachable
12056 LT_EXPR and GE_EXPR cases.
12058 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12060 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12061 decl libname for clog to __clog on AIX.
12063 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12065 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12068 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12069 output traceback table for thunks. Localise rs6000_stack_info call.
12071 2006-02-23 Roger Sayle <roger@eyesopen.com>
12072 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12074 * gthr-posix.h (__gthrw): Fix typo in comment.
12076 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12078 * doc/cpp.texi (Character sets): Document that we do support
12079 input files to be in any character set.
12081 2006-02-23 Jeff Law <law@redhat.com>
12083 * tree.h (PHI_ARG_NONZERO): Remove.
12084 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12085 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12086 node to the new node.
12088 PR tree-optimization/26425
12089 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12090 min/max, then assume its varying.
12092 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12094 PR rtl-optimization/26316
12095 * rtlanal.c (enum may_trap_p_flags): New.
12096 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12097 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12098 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12099 (may_trap_after_code_motion_p): New function.
12100 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12101 (find_invariant_insn): Use may_trap_after_code_motion_p.
12102 * rtl.h (may_trap_after_code_motion_p): Declare.
12104 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12106 * emit-rtl.c (immed_double_const): Cleanup.
12108 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12110 Fix PR tree-optimization/26376
12111 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12114 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12116 PR middle-end/26412
12117 * gimplify.c (omp_add_variable): Guard variable size decl test with
12118 DECL_SIZE (decl) check.
12120 2006-02-23 Richard Guenther <rguenther@suse.de>
12122 PR middle-end/26439
12123 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12124 like aggregate types.
12126 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12128 * configure.ac: Add --with{,out}-long-double-128 configure option.
12129 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12130 * configure: Rebuilt.
12131 * config.in: Rebuilt.
12132 * doc/install.texi (Options specification): Document
12133 --with-long-double-128.
12135 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12136 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12137 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12138 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12140 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12142 * config/s390/s390.c (override_options): Handle
12143 TARGET_DEFAULT_LONG_DOUBLE_128.
12145 * config/alpha/alpha.c (override_options): Handle
12146 TARGET_DEFAULT_LONG_DOUBLE_128.
12148 * config/sparc/sparc.c (sparc_override_options): Handle
12149 TARGET_DEFAULT_LONG_DOUBLE_128.
12151 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12153 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12154 (real-install-headers-tar, real-install-headers-cpio)
12155 (real-install-headers-cp): New targets.
12157 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12159 * tree.h (variable_section): Delete.
12160 * varasm.c (variable_section): Delete.
12162 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12164 * install.texi: Add notes on install.texi2html.
12165 (Building in parallel): Do not use footnotes.
12167 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12170 * doc/install.texi (Configuration): Document --disable-libgomp.
12172 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12174 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12176 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12178 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12179 (vec_extractv2df_0_sse): New.
12181 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12183 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12184 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12185 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12186 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12187 to the result of the expression.
12188 (def_cfa_1): Adjust.
12189 (frame_pointer_cfa_offset): Rename to...
12190 (frame_pointer_fb_offset): ... this. Adjust all uses.
12191 (convert_cfa_to_loc_list): Rename to...
12192 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12193 Pass it on to build_cfa_loc.
12194 (compute_frame_pointer_to_cfa_displacement): Rename to...
12195 (compute_frame_pointer_to_fb_displacement): ... this. New
12196 offset parameter. Use it in computation.
12197 (gen_subprogram_die): Compute cfa_fb_offset with the new
12198 macro, and use it to compute the fb loc list and the
12201 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12203 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12204 replaced with register_operand.
12205 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12206 non-DREG is expensive.
12207 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12208 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12211 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12213 * doc/install.texi2html: Use set -e.
12215 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12217 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12218 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12219 * doc/invoke.texi (-fshared-data): Delete.
12220 * common.opt (fshared-data): Delete.
12221 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12222 (assemble_static_space): Remove #if 0 code.
12223 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12224 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12225 * config/cris/cris.h: Remove FIXME.
12227 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12229 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12232 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12234 PR middle-end/26379
12235 * combine.c (simplify_shift_const_1): Disable nested shifts
12236 optimization for vector shifts.
12238 2006-02-20 Roger Sayle <roger@eyesopen.com>
12240 PR tree-optimization/26361
12241 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12242 of unsigned integer types.
12244 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12246 * tree-chrec.c (eq_evolutions_p): New.
12247 * tree-chrec.h (eq_evolutions_p): Declared.
12248 * tree-data-ref.c: Fix formatting.
12249 (datadep_stats, dependence_stats): New.
12251 (print_direction_vector): New.
12252 (dump_data_dependence_relation): Use print_direction_vector.
12253 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12254 (compute_subscript_distance): Static.
12255 (initialize_data_dependence_relation): Static. Get the number
12256 of loops surrounding the references from the callers, and initialize
12257 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12258 base_object_differ_p analyzers.
12259 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12260 compute_overlap_steps_for_affine_1_2,
12261 analyze_subscript_affine_affine): Count the classified dependences.
12262 Print a message when a test failed.
12263 (can_use_analyze_subscript_affine_affine): New.
12264 (analyze_siv_subscript): Compute the data dependences on symbolic
12265 scevs that verify can_use_analyze_subscript_affine_affine.
12266 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12267 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12268 Handle symbolic scevs.
12269 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12271 (subscript_dependence_tester): Moved...
12272 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12273 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12274 DDR_SIZE_VECT instead of getting it in parameter.
12275 (subscript_dependence_tester): ... here. Take as a parameter
12276 loop_nest_depth. Call build_classic_dist_vector and
12277 build_classic_dir_vector.
12278 (compute_affine_dependence): Update subscript_dependence_tester
12279 parameters. Update datadep_stats counters. Call
12280 compute_subscript_distance.
12281 (compute_self_dependence): Save the dist and dir vectors. Call
12282 compute_subscript_distance.
12283 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12284 (compute_all_dependences): Reorder parameters as they were before
12285 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12286 compute_subscript_distance. Update the use of
12287 compute_affine_dependence and initialize_data_dependence_relation.
12288 (find_data_references_in_loop): Handle COMPONENT_REF.
12289 (compute_data_dependences_for_loop): Initialize dependence_stats.
12290 Don't call build_classic_dist_vector and build_classic_dir_vector.
12291 Update the parameters of initialize_data_dependence_relation and
12292 compute_all_dependences. Print the statistics from datadep_stats.
12293 (analyze_all_data_dependences): Static. Not used until the pass for
12294 checking the data dependences is contributed.
12295 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12296 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12297 (initialize_data_dependence_relation, compute_affine_dependence,
12298 analyze_all_data_dependences, compute_subscript_distance): Removed.
12299 (print_direction_vector): New.
12300 * lambda.h (gcd): ... here.
12301 (lambda_vector_gcd): Moved here from gcd_vector.
12302 * lambda-code.c (gcd, gcd_vector): Removed.
12303 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12304 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12306 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12308 * ipa-type-escape.c: Tidy some comments and white space.
12309 * tree-ssa-operands.c: Likewise.
12311 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12314 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12315 (dump_decl_name): Do not walk the decl tree chains.
12316 * tree-pass.h (TDF_CHAIN): Remove.
12318 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12320 * Makefile.in (C): Remove
12322 (.PHONY): Remove C and PROTO
12324 2006-02-20 Roger Sayle <roger@eyesopen.com>
12326 PR middle-end/26236
12327 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12328 deprecated CHAR_TYPE tree code.
12330 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12332 * configure.ac (target_list): Add install-info, dvi, html.
12333 * configure: Regenerate.
12335 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12336 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12337 treelang/Make-lang.in: Do not use double-colon rules.
12339 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12341 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12342 (TMT_USED_ALONE): New macro.
12343 * tree-pass.h (PROP_tmt_usage): New property.
12344 (TODO_update_tmt_usage): New todo.
12345 * tree-ssa-alias.c (updating_used_alone): New variable.
12346 (recalculate_used_alone): New function.
12347 (compute_may_aliases): Set updating_used_alone, call
12348 recalculate_used_alone.
12349 * tree-sra.c (pass_sra): Note that this pass destroys
12350 PROP_tmt_usage, and add TODO_update_tmt_usage.
12351 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12352 * tree-flow.h (updating_used_alone): Prototype.
12353 (recalculate_used_alone): Ditto.
12354 * passes.c (execute_todo): Add code to set updating_used_alone,
12355 and call recalculate.
12356 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12357 for clobber if used alone, and add assert to verify used_alone
12360 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12362 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12363 for non tls symbols added.
12364 (legitimize_address): Do nothing for PLUS expressions if one of the
12365 addends is a tls symbol reference.
12367 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12371 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12373 * Makefile.in (BOOTSTRAPPING): New.
12374 (quickstrap): New definition if BOOTSTRAPPING=yes.
12376 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12377 * configure.ac: Substitute all_selected_languages with the languages
12378 that were configured. For all the other variables except
12379 lang_specs_files, include all the languages in the tree.
12380 * configure: Regenerate.
12382 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12383 if there is one. Run the commands to run fixincludes in the same
12386 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12387 * doc/install.texi: Document exact conventions for searching target tools.
12388 Document --with-build-time-tools. Document toplevel bootstrap. Document
12389 something more about building an Ada cross-compiler. Don't list GNU Make
12390 requirements which affect all platforms.
12392 2006-02-19 Roger Sayle <roger@eyesopen.com>
12394 PR middle-end/19543
12395 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12396 only equivalent if the have both the same mode and precision.
12398 2006-02-20 Ben Elliston <bje@au.ibm.com>
12400 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12402 2006-02-19 Roger Sayle <roger@eyesopen.com>
12403 Steven Bosscher <stevenb.gcc@gmail.com>
12405 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12406 constant pool references to identify stack mode constants.
12407 * rtlanal.c (constant_pool_constant_p): New predicate to check
12408 whether operand is a floating point constant in the pool.
12409 * rtl.h (constant_pool_constant_p): Prototype here.
12410 * loop.c (scan_loop): Avoid hoisting constants from the constant
12411 pool on STACK_REGS targets.
12412 (load_mems): Likewise.
12413 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12414 loads into x87 registers expensive in terms of register pressure.
12416 2006-02-19 Roger Sayle <roger@eyesopen.com>
12418 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12419 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12421 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12423 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12424 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12426 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12428 * doc/invoke.texi: Document -fipa-pta.
12429 * common.opt: Add ipa-pta option.
12430 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12431 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12432 (do_ds_constraint): Ditto.
12433 (get_constraint_for): Only add to referenced_vars if
12434 referenced_vars exists.
12435 (insert_into_field_list): Rewrite to do this unsorted.
12436 (insert_into_field_list_sorted): Rename old insert_into_field_list
12438 (create_function_info_for): Use insert_into_field_list_sorted.
12439 (create_variable_info_for): Rewrite so it uses unsorted version,
12440 since the field list is sorted.
12441 (intra_create_variable_infos): Only add to referenced_vars if
12442 referenced_vars exists.
12443 (ipa_pta_execute): Init heapvars, and delete when done.
12444 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12446 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12448 * doc/install.texi: Add missing `@samp'.
12450 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12452 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12455 2006-02-18 Mark Wielaard <mark@klomp.org>
12457 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12458 who added new 4.1 features, bug fixes and integration support.
12460 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12463 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12464 MEM for ABI_V4 pic.
12466 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12468 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12469 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12470 (copy_insn_1): Likewise. Don't copy each field individually.
12472 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12474 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12475 * rtl.c (rtx_size): Rename variable to...
12476 (rtx_code_size): ...this.
12477 (rtx_size): New function.
12478 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12479 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12481 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12482 * rtl.h (rtx_code_size): New variable.
12483 (rtx_size): Change from a variable to a function.
12484 (RTX_SIZE): Rename to...
12485 (RTX_CODE_SIZE): ...this.
12488 PR tree-optimization/17106
12489 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12490 (Anchored Addresses): New section.
12491 * doc/invoke.texi (-fsection-anchors): Document.
12492 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12493 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12494 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12495 * hooks.c (hook_bool_mode_rtx_false): New function.
12496 * hooks.h (hook_bool_mode_rtx_false): Declare.
12497 * gengtype.c (create_optional_field): New function.
12498 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12499 SYMBOL_REF_IN_BLOCK_P is true.
12500 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12501 (min_anchor_offset, max_anchor_offset): Likewise.
12502 (use_anchors_for_symbol_p): New hook.
12503 * toplev.c (compile_file): Call output_object_blocks.
12504 (target_supports_section_anchors_p): New function.
12505 (process_options): Check that -fsection-anchors is only used on
12506 targets that support it and when -funit-at-a-time is in effect.
12507 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12508 if the decl doesn't have one.
12509 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12510 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12511 of force_const_mem through use_anchored_address.
12512 (expand_expr_constant): New function.
12513 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12514 calling expand_expr for INDIRECT_REF.
12515 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12516 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12517 * expr.h (use_anchored_address): Declare.
12518 * loop-unroll.c: Don't declare rtx vectors here.
12519 * explow.c: Include output.h.
12520 (validize_mem): Call use_anchored_address.
12521 (use_anchored_address): New function.
12522 * common.opt (-fsection-anchors): New switch.
12523 * varasm.c (object_block_htab, anchor_labelno): New variables.
12524 (hash_section, object_block_entry_eq, object_block_entry_hash)
12525 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12526 (use_blocks_for_decl_p, change_symbol_section): New functions.
12527 (get_variable_section): New function, split out from assemble_variable.
12528 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12529 use_blocks_for_decl_p say so. Use change_symbol_section if the
12530 symbol has already been created.
12531 (assemble_variable_contents): New function, split out from...
12532 (assemble_variable): ...here. Don't output any code for
12533 block symbols; just pass them to place_block_symbol.
12534 Use get_variable_section and assemble_variable_contents.
12535 (get_constant_alignment, get_constant_section, get_constant_size): New
12536 functions, split from output_constant_def_contents.
12537 (build_constant_desc): Create a block symbol if use_object_blocks_p
12538 says so. Or into SYMBOL_REF_FLAGS.
12539 (assemble_constant_contents): New function, split from...
12540 (output_constant_def_contents): ...here. Don't output any code
12541 for block symbols; just pass them to place_section_symbol.
12542 Use get_constant_section and get_constant_alignment.
12543 (force_const_mem): Create a block symbol if use_object_blocks_p and
12544 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12545 (output_constant_pool_1): Add an explicit alignment argument.
12546 Don't switch sections here.
12547 (output_constant_pool): Adjust call to output_constant_pool_1.
12548 Switch sections here instead. Don't output anything for block symbols;
12549 just pass them to place_block_symbol.
12550 (init_varasm_once): Initialize object_block_htab.
12551 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12552 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12553 (place_block_symbol, get_section_anchor, output_object_block)
12554 (output_object_block_htab, output_object_blocks): New functions.
12555 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12556 (TARGET_ASM_OUT): Include it.
12557 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12558 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12559 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12560 (TARGET_INITIALIZER): Include them.
12561 * rtl.c (rtl_check_failed_block_symbol): New function.
12562 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12563 (block_symbol, object_block): New structures.
12564 (rtx_def): Add a block_symbol field to the union.
12565 (BLOCK_SYMBOL_CHECK): New macro.
12566 (rtl_check_failed_block_symbol): Declare.
12567 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12568 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12569 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12570 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12571 * output.h (output_section_symbols): Declare.
12572 (object_block): Name structure.
12573 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12574 (default_use_anchors_for_symbol_p): Declare.
12575 * Makefile.in (RTL_BASE_H): Add vec.h.
12576 (explow.o): Depend on output.h.
12577 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12578 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12579 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12580 (rs6000_use_blocks_for_constant_p): New function.
12582 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12584 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12586 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12589 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12592 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12594 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12598 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12600 PR middle-end/26334
12601 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12602 instead of DECL_REGISTER.
12604 2006-02-18 Olivier Hainque <hainque@adacore.com>
12607 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12609 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12612 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12613 * opth-gen.awk: Handle Var and InverseMask together.
12614 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12615 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12616 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12617 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12619 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12620 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12621 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12622 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12623 LINUX_DYNAMIC_LINKER): Define.
12624 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12625 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12627 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12628 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12629 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12630 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12631 (TARGET_C99_FUNCTIONS): Don't define.
12632 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12633 GLIBC_DYNAMIC_LINKER.
12634 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12635 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12636 GLIBC_DYNAMIC_LINKER64): Define.
12637 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12638 LINUX_DYNAMIC_LINKER64.
12639 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12640 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12641 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12642 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12643 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12644 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12645 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12646 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12647 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12648 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12649 and LINUX_DYNAMIC_LINKER32.
12650 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12651 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12652 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12653 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12654 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12656 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12657 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12658 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12659 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12660 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12661 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12662 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12663 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12664 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12665 LINUX_DYNAMIC_LINKER): Define.
12666 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12667 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12668 GLIBC_DYNAMIC_LINKER64): Define.
12669 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12670 LINUX_DYNAMIC_LINKER64.
12671 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12672 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12673 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12674 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12675 LINUX_DYNAMIC_LINKER): Define.
12676 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12677 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12678 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12679 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12680 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12681 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12682 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12683 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12684 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12685 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12686 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12687 * doc/invoke.texi (-muclibc): Remove caveat about supported
12690 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12692 * doc/cpp.texi (__TIMESTAMP__): Document.
12694 2006-02-17 Roger Sayle <roger@eyesopen.com>
12696 PR middle-end/25600
12697 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12698 C is one less than the width of X (and related transformations).
12699 * simplify-rtx.c (simplify_unary_operation_1): Transform
12700 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12701 depending on STORE_FLAG_VALUE, were C is one less then the
12704 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12706 Fix PR tree-optimization/26341
12707 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12708 about NAME_MEMORY_TAG's.
12710 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12713 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12714 with hardware float support, and software float support. Add fcpy
12715 alternative to hardware patterns. Add alternatives to copy between
12716 general and floating-point registers to the 32-bit pattern.
12717 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12718 secondary reload to load a QI or HI mode constant into a floating
12720 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12721 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12723 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12726 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12728 (load_macho_picbase_di): Likewise.
12730 2006-02-16 Jeff Law <law@redhat.com>
12732 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12733 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12734 (ssa_name_nonzero_p): Likewise.
12735 (get_value_range): Return NULL if VRP is not running.
12736 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12737 VRP routines do not discover a range.
12738 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12739 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12740 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12741 (tree_expr_nonnegative_p): Similarly.
12742 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12743 (restore_nonzero_vars_to_original_value): Remove.
12744 (unsafe_associative_fp_binop): Remove.
12745 (tree_ssa_dominator_optimize): Remove initialization and
12746 finalization of nonzero_vars and nonzero_vars_stack.
12747 (dom_opt_initialize_block): No longer push marker on
12748 nonzero_vars_stack.
12749 (dom_opt_finalize_block): No longer call
12750 restore_nonzero_vars_to_original_value.
12751 (record_equivalences_from_phis): No longer look for
12752 nonzero PHI arguments.
12753 (cprop_into_successor_phis): No longer propagate nonzero
12754 property into PHI arguments. Lose unused argument. Caller
12756 (record_equivalences_from_stmt): No longer record nonzero
12757 values for SSA_NAMEs.
12758 (lookup_avail_expr): No longer use nonzero_vars.
12760 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12761 for sizetype when sizetype is unsigned.
12763 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12765 PR rtl-optimization/25603
12766 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12767 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12768 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12769 with new meaning of SETS.
12771 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12776 * config/linux.opt: New file.
12777 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12778 LINUX_DYNAMIC_LINKER): Define.
12779 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12780 * config.gcc (*-*-linux*): Define extra_options.
12781 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12782 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12783 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12784 GLIBC_DYNAMIC_LINKER.
12785 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12786 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12787 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12788 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12789 * doc/invoke.texi (GNU/Linux Options): New section.
12791 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12793 * config/sparc/sparc.md (setjmp): Rewrite.
12794 (setjmp_32): Delete.
12795 (setjmp_64): Likewise.
12797 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12799 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12802 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12804 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12807 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12809 PR rtl-optimization/26296
12810 * Makefile.in (loop-invariant.c): Add except.h dependency.
12811 * loop-invariant.c: Include except.h.
12812 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12814 2005-02-16 Paul Brook <paul@codesourcery.com>
12816 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12819 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12821 PR rtl-optimization/25636
12822 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12823 when deciding whether an insn is an initializing insn.
12825 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12827 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12828 (tree_code_size): Ditto.
12829 * tree.h (struct tree_memory_tag): Remove parent_var.
12830 (struct tree_struct_field_tag): New.
12833 (union tree_node): Add sft member.
12834 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12836 (create_sft): Add size and offset argument, set SFT_OFFSET and
12838 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12839 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12840 * tree-flow-inline.h (get_subvar_at): Update for
12841 SFT_OFFSET/SFT_SIZE.
12842 (var_can_have_subvars): Ditto.
12843 (overlap_subvar): Ditto.
12844 * print-tree.c (print_node): Print out interesting things for
12846 * tree-flow.h (struct subvar): Remove offset and size members.
12847 * tree-ssa-operands.c (get_expr_operands): Update for
12848 get_indirect_ref_operands changes.
12849 (get_indirect_ref_operands): Call add_virtual_operand instead of
12850 add_stmt_operand. Only recurse on base var if requested.
12851 (access_can_touch_variable): New function.
12852 (add_stmt_operand): Split virtual operand handling into ...
12853 (add_virtual_operand): Here. Add offset, size, and for_clobber
12854 arguments. Prune alias sets.
12855 (add_call_clobber_ops): Call add_virtual_operand.
12857 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12859 PR middle-end/26300
12860 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12862 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12863 than TREE_CODE as index into omp_clause_num_ops array.
12865 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12867 PR rtl-optimization/26184
12868 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12870 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12871 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12872 must_precede, must_follow and tobe_scheduled.
12875 * opts.c (common_handle_option): Free new_option pointer.
12876 * df-core.c (df_analyze): Free postorder pointer.
12878 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12880 * Makefile.in: Fix the examples about the use of stamps
12882 2006-02-15 Michael Matz <matz@suse.de>
12884 PR middle-end/22275
12886 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12887 influenced by maximum_field_alignment or DECL_PACKED.
12888 (update_alignment_for_field): Ditto.
12889 (place_field): Ditto.
12890 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12893 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12895 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12896 (debug_flow_info): Pass it.
12897 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12898 * bb-reorder.c (reorder_basic_blocks): Likewise.
12899 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12900 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12901 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12902 * gcse.c (gcse_main, bypass_jumps): Likewise.
12903 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12904 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12905 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12906 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12907 * rtl.h (dump_flow_info): Adjust prototype.
12908 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12909 * var-tracking.c (variable_tracking_main): Likewise.
12910 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12911 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12914 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12916 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12919 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12921 PR tree-optimization/26209
12922 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12923 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12925 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12927 2006-02-14 Roger Sayle <roger@eyesopen.com>
12929 PR middle-end/23670
12930 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12931 (X,Y) and the corresponding symmetry related transformations.
12932 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12933 (X,Y) and its symmetry related transformations.
12935 2006-02-14 Roger Sayle <roger@eyesopen.com>
12937 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12940 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12942 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12944 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12947 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12948 support COMDAT group.
12949 * configure: Regenerate.
12951 2006-02-14 Roger Sayle <roger@eyesopen.com>
12953 PR middle-end/26279
12954 PR middle-end/26280
12955 PR middle-end/26283
12956 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12958 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12960 Fix PR tree-optimization/26260
12962 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12964 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12965 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12966 * tree-ssa-structalias.c (create_variable_info_for): Use
12967 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12969 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12971 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12973 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12974 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12975 of the ending condition.
12976 * tree-ssa-loop-manip.c: Include params.h.
12977 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12978 tree_unroll_loop): New functions.
12979 * tree-pass.h (pass_loop_prefetch): Declare.
12980 * loop.c (rest_of_handle_loop_optimize): Test for
12981 -fprefetch-loop-arrays-rtl.
12982 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12983 * timevar.def (TV_TREE_PREFETCH): New timevar.
12984 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12985 pass_loop_prefetch): New.
12986 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12987 (cleanup_tree_cfg_loop): Call scev_reset.
12988 * common.opt (fprefetch-loop-arrays-rtl): Add.
12989 * tree-ssa-loop-prefetch.c: New file.
12990 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12991 (new_temp_expr_table): Initialize expr_vars.
12992 (free_temp_expr_table): Cleanup expr_vars.
12993 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12994 expressions from being merged into one.
12995 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12996 (struct tree_niter_desc): Add control, bound and cmp fields.
12997 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12999 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
13000 (tree-cfgcleanup.o): Add SCEV_H dependency.
13001 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
13002 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
13004 2006-02-14 Richard Guenther <rguenther@suse.de>
13006 PR tree-optimization/26258
13007 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
13008 in PHI argument processing.
13010 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
13012 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
13013 new expression in the requested machine mode.
13015 2006-02-13 Roger Sayle <roger@eyesopen.com>
13017 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
13018 directly, instead let do_compare_rtx_and_jump handle this for us.
13019 * expr.c (expand_expr_real_1): Likewise.
13020 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
13021 before do_jump_by_parts_greater.
13022 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
13023 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
13025 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13027 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
13029 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13031 PR rtl-optimization/26235
13032 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13033 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
13036 2006-02-13 Jeff Law <law@redhat.com>
13038 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13041 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13043 PR middle-end/26092
13044 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13045 twice if decl is a builtin. When trying again, call get_callee_fndecl
13046 first to verify it is still a builtin.
13048 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13050 * dwarf2out.c (base_type_die): Don't add AT_name here.
13051 (subrange_type_die): Don't add AT_name here.
13052 (modified_type_die): Rearrange code flow. Do add AT_name here.
13054 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13056 PR rtl-optimization/26247
13057 PR rtl-optimization/26248
13058 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13060 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13062 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13063 * config/fixtfdi.c: Likewise.
13064 * config/fixunstfdi.c: Likewise.
13065 * config/floatditf.c: Likewise.
13067 2006-02-13 Roger Sayle <roger@eyesopen.com>
13069 PR middle-end/24427
13070 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13071 into (X,C2) if C1 is a subset of the bits of C2. Transform
13072 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13074 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13076 2006-02-13 Josh Conner <jconner@apple.com>
13079 * varasm.c (function_section): Check for section name before
13080 calling select_section on targets that define
13081 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13082 unlikely_text_section instead of hot_function_section if
13083 first_function_block_is_cold.
13085 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13087 PR middle-end/25335
13088 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13090 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13092 PR rtl-optimization/26222
13093 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13094 after tree->rtl expansion.
13095 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13096 before passing it to emit_move_insn.
13098 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13100 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13102 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13103 Clarify documentation.
13104 * c-common.h (warn_write_strings): Remove.
13105 * c-common.c (warn_write_strings): Likewise.
13106 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13109 2006-02-12 Roger Sayle <roger@eyesopen.com>
13111 PR middle-end/25724
13112 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13113 (do_jump_parts_zero_rtx): New function renamed from
13114 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13115 (do_jump_parts_equality_rtx): New function split out from
13116 do_jump_parts_equality. Old implementation renamed as above.
13117 Call do_jump_parts_zero_rtx if either operand is zero.
13118 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13119 do all of the heavy lifting.
13120 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13121 calling either do_jump_by_parts_greater_rtx or
13122 do_jump_by_parts_equality_rtx.
13123 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13124 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13125 moved to do_compare_rtx_and_jump, call it directly.
13126 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13127 mode argument. Call do_compare_rtx_and_jump.
13128 (emit_case_nodes): Update calls to do_jump_if_equal.
13130 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13132 PR rtl-optimization/26225
13133 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13135 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13137 PR rtl-optimization/26232
13138 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13140 2006-02-11 Jason Merrill <jason@redhat.com>
13143 * tree-inline.c (declare_return_variable): Just don't use the
13144 modify target if it's a gimple complex reg and the return slot
13147 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13149 * doc/contrib.texi: Update my entry.
13151 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13153 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13155 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13157 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13160 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13162 * doc/invoke.texi (-floop-optimize2): Removed.
13163 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13164 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13165 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13166 * common.opt (floop-optimize2): Removed.
13167 (fmove-loop-invariants): Enabled by default.
13169 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13171 * tree-if-conv.c (combine_blocks): Free the result of
13172 get_loop_exit_edges.
13174 2006-02-10 Jeff Law <law@redhat.com>
13176 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13178 PR tree-optimization/26213
13179 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13180 loop trying to follow SSA_NAME_VALUE chains.
13182 2006-02-10 Richard Guenther <rguenther@suse.de>
13184 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13185 deal with structures that end in implicitly variable sized arrays.
13187 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13189 PR rtl-optimization/24762
13190 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13193 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13195 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13196 (struct ivopts_data): Add regs_used field.
13197 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13198 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13199 instead of loop_data->regs_used;
13200 (free_loop_data): Do not free aux fields for loops.
13201 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13202 and tree_ssa_iv_optimize_finalize.
13204 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13206 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13208 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13211 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13212 computing the effective result type.
13214 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13216 PR inline-asm/16194
13217 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13218 (tree_overlaps_hard_reg_set): Declare.
13219 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13220 type and signature to match function type expected by walk_tree.
13221 (tree_overlaps_hard_reg_set): New function.
13222 (decl_conflicts_with_clobbers_p): Rename to:
13223 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13224 Use tree_overlaps_hard_reg_set. Changed caller.
13225 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13226 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13227 * cris.c (cris_md_asm_clobbers): Likewise.
13229 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13231 * reload1.c (emit_input_reload_insns): Delete code that tries to
13232 inherit using find_equiv_reg.
13234 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13236 * c-common.h (flag_const_strings): Don't declare.
13237 * c-common.c (flag_const_strings): Remove.
13238 * c.opt (fconst_strings): Remove.
13239 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13240 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13241 (c_common_init_options): Don't set flag_const_strings.
13242 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13244 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13246 * arm.md (tlobits_cbranch): New pattern.
13247 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13248 testing a single bit.
13250 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13253 * tree-ssa-pre.c (create_component_ref_by_pieces):
13254 Handle RETURN_DECL like VAR_DECL.
13256 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13258 PR middle-end/26134
13259 * fold-const.c (fold_indirect_ref_1): Fold
13260 "*(foo *)&complexfoo" to "__real__ complexfoo"
13261 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13263 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13265 * tree-flow-inline.h (var_can_have_subvars):
13266 Volatile variables should not have subvariables.
13268 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13271 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13272 multiplying unsigned values.
13275 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13277 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13279 2006-02-08 Jason Merrill <jason@redhat.com>
13282 * tree.def: Elaborate on difference from MODIFY_EXPR.
13283 * doc/c-tree.texi (INIT_EXPR): Likewise.
13284 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13285 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13286 (gimplify_target_expr): Likewise.
13287 (gimplify_cond_expr): Remove target handling.
13288 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13289 (gimplify_expr): Clobber it here.
13290 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13291 Do return slot optimization if we have an INIT_EXPR.
13294 * tree-inline.c (declare_return_variable): Also clear
13295 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13298 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13300 PR middle-end/22439
13301 * gimplify.c (gimplify_one_sizepos): Fix typo.
13303 2006-02-08 Jeff Law <law@redhat.com>
13305 PR tree-optimization/21417
13306 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13307 across a backedge if the control statement at the end of the
13308 block is data dependent on other statements in the same block.
13309 (record_temporary_equivalences_from_stmts): Remove over-conservative
13310 test for threading across backedges.
13312 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13313 control statement, handle all three special cases in the same
13314 manner as they all have the same desired solution. No longer
13315 special case edge flag updating when the post dominator is
13318 2006-02-08 Roger Sayle <roger@eyesopen.com>
13320 * tree.def (CHAR_TYPE): Remove.
13321 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13322 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13323 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13324 (gen_string_type_die): Delete unreachable function.
13326 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13327 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13328 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13329 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13330 * builtins.c (type_to_class): Likewise.
13331 * fold-const.c (fold_convert, build_range_check,
13332 merge_ranges): Likewise.
13333 * expr.c (count_type_elements): Likewise.
13334 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13335 * stor-layout.c (layout_type): Likewise.
13336 * ipa-type-escape.c (type_to_consider): Likewise.
13337 * gimplify.c (omp_firstprivatize_type_sizes,
13338 gimplify_type_sizes): Likewise.
13339 * explow.c (promote_mode): Likewise.
13340 * tree-sra.c (is_sra_scalar_type): Likewise.
13341 * varasm.c (output_constant): Likewise.
13342 * tree-inline.c (remap_type_1): Likewise.
13343 * convert.c (convert_to_pointer, convert_to_real,
13344 convert_to_integer, convert_to_complex): Likewise.
13346 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13348 * df-scan.c (df_def_record_1): A set destination may
13349 be a parallel regardless of mode.
13351 2006-02-08 Roger Sayle <roger@eyesopen.com>
13354 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13355 * config/mips/_tilib.c: Remove.
13356 * config/fixtfdi.c: New libgcc source file.
13357 * config/fixunstfdi.c: New source file.
13358 * config/floatditf.c: New source file.
13359 * config/floatunditf.c: New souce file.
13360 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13361 files above instead of config/mips/_tilib.c.
13362 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13364 2006-02-08 Jeff Law <law@redhat.com>
13366 PR tree-optimization/26169
13367 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13370 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13372 * df.h (DF_REG_SIZE): Return the length of the initialized
13375 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13377 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13378 __muldf3): Return a correctly signed zero.
13380 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13382 * passes.c (register_one_dump_file): Accept the current properties
13383 instead of pass number. Adjust call to dump_register. Remove
13385 (register_dump_files): Now a wrapper around...
13386 (register_dump_files_1): ... this one. Do not modify the pass
13388 (next_pass_1): Cosmetic fix.
13389 (execute_todo): Keep second parameter only. Use curr_properties
13390 instead of fetching it from the pass structure. Check and set
13392 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13393 instead of fetching it from the pass structure. Fix calls to
13394 execute_todo. Update curr_properties and initialize .vcg RTL dump
13395 after running the pass. Reset last_verified.
13396 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13398 (FIRST_AUTO_NUMBERED_DUMP): New.
13399 (dump_register): Remove "num" parameter, assign it within the
13401 (get_dump_file_name): Modify template for dumps.
13402 * tree-dump.h (dump_register): Adjust prototype.
13403 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13404 (PROP_trees): Add PROP_gimple_lomp.
13405 (TODO_set_props): New.
13406 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13407 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13408 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13410 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13412 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13413 (sparc64-*-linux*): Likewise.
13414 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13415 * config/sparc/t-linux: New file.
13416 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13417 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13418 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13419 -m32 -mlong-double-128.
13421 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13422 * config/alpha/t-linux: New file.
13423 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13425 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13426 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13427 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13428 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13429 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13430 (CPP_ARCH32_SPEC): Remove.
13432 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13434 PR tree-optimization/26145
13435 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13438 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13441 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13442 >= 240000 when generating code for SOM runtime.
13443 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13444 to $$dyncall when generating code for SOM runtime..
13446 2006-02-07 Dirk Mueller <dmueller@suse.com>
13449 * doc/invoke.texi (-Wsequence-point): Update documentation
13450 that -Wsequence-point is implemented for C++ as well.
13452 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13454 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13455 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13456 (LIB_SPEC): Likewise.
13457 * doc/invoke.texi (SPARC options): Document -pthread.
13459 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13461 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13464 2006-02-07 Roger Sayle <roger@eyesopen.com>
13466 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13467 Correct comment describing BOOLEAN_TYPE.
13469 2006-02-07 Dirk Mueller <dmueller@suse.com>
13471 * c.opt: C++ frontend supports -Wdiv-by-zero.
13472 * c-opts.c (c_common_handle_option): Remove dead case.
13474 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13476 * configure.ac (TLS assembler check): Do not enable TLS by
13477 default on SPARC/Solaris before version 10.
13478 * configure: Regenerate.
13480 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13482 * doc/invoke.texi (xl-compat): Document conversion and support
13485 2006-02-07 Jeff Law <law@redhat.com>
13487 * tree-vrp.c (find_conditional_asserts): Update comments.
13488 (simplify_stmt_for_jump_threading): New.
13489 (identify_jump_threads, finalize_jump_threads): New.
13490 (vrp_finalize): Call identify_jump_threads.
13491 (execute_vrp): Call finalize_jump_threads.
13492 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13493 (vrp_element, vrp_data, vrp_element_p): Remove.
13494 (vrp_hash_elt, vrp_variables_stack): Remove.
13495 (vrp_hash, vrp_eq, record_range): Remove.
13496 (simplify_cond_and_lookup_avail_expr): Remove.
13497 (extract_range_from_cond): Remove.
13498 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13499 (simplify_stmt_for_jump_threading): New.
13500 (dom_thread_across_edge): New wrapper.
13501 (tree_ssa_dominator_optimize): No longer initialize or
13502 finalize any of the VRP datastructures. Remove iteration
13503 step and simplify as a result of removal of iteration step.
13504 (pass_dominator): Perform a cfg cleanup after DOM.
13505 (dom_opt_finalize_block): Use the new common routines
13506 for threading jumps. Simplify stack management slightly.
13507 No longer need to unwind VRP state.
13508 (record_equivalences_from_incoming_edge): No longer record
13510 (eliminate_redundant_computations): No longer call
13511 simplify_cond_and_lookup_avail_expr.
13512 * tree-flow.h (potentially_threadable_block): Prototype.
13513 (thread_across_edge): Likewise.
13514 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13515 (tree-ssa-threadedge.o): Add dependencies.
13516 * tree-ssa-threadedge.c: New file.
13517 * passes.c (init_optimization_passes): Merge PHIs before
13518 calling VRP. Run VRP again late in the SSA optimization pipeline.
13520 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13522 * df-core.c (df_set_blocks): Do not dereference function pointers.
13523 (df_finish1): Likewise.
13524 (df_hybrid_search_forward): Likewise.
13525 (df_hybrid_search_backward): Likewise.
13526 (df_iterative_dataflow): Likewise.
13527 (df_analyze_problem): Likewise.
13528 (df_compact_blocks): Likewise.
13529 (df_dump): Likewise.
13530 * df-scan.c (df_rescan_blocks): Likewise.
13531 (df_record_entry_block_defs): Likewise.
13533 * genconditions.c (write_conditions): Guard the definition of
13534 'insn_conditions' with the check on GCC version.
13535 (write_writer): Guard the traversal 'insn_conditions' with
13536 the check on GCC version.
13538 2006-02-07 Richard Guenther <rguenther@suse.de>
13542 2006-01-30 Richard Guenther <rguenther@suse.de>
13544 * gimplify.c (gimplify_target_expr): Handle easy cases
13545 without creating a temporary.
13547 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13549 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13550 use of float in probability computations. Use edge probabilities
13551 in place of statically computed probabilities.
13552 (min_spec_prob): New static variable.
13553 (schedule_insns): Initialize it.
13554 (GET_SRC_PROB): Removed.
13555 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13557 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13560 * config/ia64/unwind-ia64.c: Revert last change.
13561 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13562 (INCOMING_FRAME_SP_OFFSET): Define.
13564 2006-02-06 Roger Sayle <roger@eyesopen.com>
13566 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13568 2006-02-07 Ben Elliston <bje@au.ibm.com>
13570 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13571 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13572 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13573 (ix86_return_in_memory): Handle TDmode.
13574 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13575 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13577 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13579 * reorg.c (dbr_schedule): Use dump_file instead of file.
13581 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13584 * config/ia64/predicates.md (extr_len_operand): New predicate.
13585 * config/ia64/ia64.md (extv): Tighten constraints.
13587 (*tbit_and_2): Ditto.
13588 (*tbit_and_3): Ditto.
13589 (*tbit_or_2): Ditto.
13590 (*tbit_or_3): Ditto.
13591 (*bit_zero): Ditto.
13594 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13597 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13599 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13601 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13602 loop_optimizer_init and loop_optimizer_finalize
13603 * tree-ssa-sink.c (execute_sink_code): Ditto.
13604 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13605 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13606 tree_ssa_loop_done): Ditto.
13607 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13608 * sched-ebb.c: Include output.h.
13609 (schedule_ebbs): Do not use dump argument.
13610 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13611 * loop.c (loop_dump_stream): Removed.
13612 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13614 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13615 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13616 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13617 loop_iterations, strength_reduce, record_biv, record_giv,
13618 final_giv_value, check_final_value, check_ext_dependent_givs,
13619 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13620 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13621 dump_file instead of loop_dump_stream.
13622 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13623 argument dump_file.
13624 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13626 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13627 * haifa-sched.c: Include output.h
13628 (schedule_insns, sched_init): Do not use dump argument.
13629 * mode-switching.c (optimize_mode_switching): Ditto.
13630 * modulo-sched.c (stats_file): Removed.
13631 (print_node_sched_params): Do not call argument dump_file.
13632 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13633 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13635 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13637 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13638 rtl_loop_init, rtl_loop_done): Ditto.
13639 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13640 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13642 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13643 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13644 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13645 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13646 * emit-rtl.c (renumber_insns): Ditto.
13647 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13648 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13649 * regclass.c (regclass): Ditto.
13650 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13651 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13652 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13653 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13655 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13656 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13658 * gcse.c (gcse_file, debug_stderr): Removed.
13659 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13660 rest_of_handle_gcse): Do not use dump argument.
13661 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13662 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13663 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13664 compute_code_hoist_vbeinout, compute_code_hoist_data,
13665 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13666 compute_store_table, build_store_vectors, insert_insn_start_bb,
13667 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13668 store_motion): Use dump_file instead of gcse_file.
13669 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13670 * profile.c (profile_dump_file): Removed.
13671 (branch_prob): Use dump_file instead of profile_dump_file.
13672 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13674 * tree-ssa-copy.c (dump_copy_of): Ditto.
13675 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13676 dump file to life_analysis.
13677 * bt-load.c (branch_target_load_optimize): Ditto.
13678 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13680 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13681 regclass, dbr_schedule): Declaration changed.
13682 * sched-int.h (sched_init): Declaration changed.
13683 * tree-profile.c (tree_profile_dump_file): Removed.
13684 (tree_profile_hooks): Removed profile_dump_file hook.
13685 * rtl-profile (rtl_profile_dump_file): Removed.
13686 (rtl_profile_hooks): emoved profile_dump_file hook.
13687 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13689 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13690 * tree-cfg.c (build_tree_cfg): Ditto.
13691 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13692 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13693 Declaration changed.
13694 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13695 life_analysis and schedule_insns.
13696 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13698 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13700 * config/mips/mips.c (mips_reorg): Ditto.
13701 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13704 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13706 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13707 (s390_mangle_fundamental_type): New.
13708 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13711 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13712 (alpha_mangle_fundamental_type): New.
13713 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13716 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13718 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13720 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13721 (sparc_mangle_fundamental_type): New.
13723 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13725 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13726 (s390x-*-linux*): Likewise.
13727 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13728 * config/s390/t-linux: New file.
13730 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13732 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13733 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13735 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13737 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13738 (ANTIC_SAFE_LOADS): New macro.
13739 (find_or_generate_expression): Add prototype.
13740 (set_contains_value): Allow null set for sake of not always having
13741 to allocate ANTIC_SAFE_LOADS.
13742 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13743 Allow COMPONENT_REF too.
13744 (valid_in_set): Allow COMPONENT_REF.
13745 Check ANTIC_SAFE_LOADS too.
13746 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13747 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13749 (can_PRE_operation): Add COMPONENT_REF.
13750 (create_component_ref_by_pieces): New function.
13751 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13752 (insert_aux): Move AGGREGATE_TYPE_P check here.
13753 (compute_avail): Set bb local stmt uids.
13754 (pass_pre): Use TODO_update_ssa_only_virtuals.
13756 2006-02-06 Ben Elliston <bje@au.ibm.com>
13758 * configure.ac: Unconditionally disable decimal float by default.
13759 * configure: Regenerate.
13761 2006-02-06 Ben Elliston <bje@au.ibm.com>
13763 * read-rtl.c (read_name): Terminate reading on EOF.
13765 2006-02-06 Ben Elliston <bje@au.ibm.com>
13767 * dfp.c (decimal_real_arithmetic): Change second argument type
13768 from int to enum tree_code. Do not always return true, but now
13769 return result of any call to decimal_do helper functions.
13770 * dfp.h (decimal_real_arithmetic): Update prototype.
13772 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13774 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13776 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13779 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13782 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13784 * tree-vrp.c (cfg_loops): Removed.
13785 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13786 Use current_loops instead of cfg_loops. Pass flags to
13787 loop_optimizer_init.
13788 * cfgloopmanip.c (fix_loop_structure): Update only available
13790 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13791 loop_optimizer_init.
13792 * modulo-sched.c (build_loops_structure): Removed.
13793 (sms_schedule): Use loop_optimizer_init.
13794 * loop-init.c (loop_optimizer_init): Use flags to determine
13795 which properties of loops to prepare.
13796 (rtl_loop_init): Pass flags to loop_optimizer_init.
13797 * tree-ssa-sink.c (execute_sink_code): Ditto.
13798 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13799 * tree-ssa-pre.c (init_pre): Ditto.
13800 * cfgloop.h (LOOPS_NORMAL): New.
13801 (loop_optimizer_init): Declaration changed.
13803 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13805 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13806 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13808 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13810 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13812 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13813 * pa/t-pa64: Delete quadlib.c rule.
13814 * pa/x-ada: Revert last change.
13815 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13817 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13819 PR rtl-optimization/26087
13820 * rtlanal.c (canonicalize_condition): Do not cross basic block
13823 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13826 * config/ia64/ia64.c: Include debug.h.
13827 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13828 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13829 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13830 (process_epilogue, process_set, process_for_unwind_directive):
13831 Output unwind info only if requested. Add CFA info if requested.
13832 Add new arguments as needed. Adjust callers.
13833 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13835 (DWARF2_FRAME_INFO): Define to zero.
13836 * config/ia64/unwind-ia64.c: Remove code that compensated for
13837 the CFA offset error fixed above.
13838 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13839 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13840 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13841 -funwind-tables and -fexceptions to enable frame info.
13842 (dwarf2out_frame_init): Define initial CFA even if
13843 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13844 DWARF2_UNWIND_INFO is nonzero, not just defined.
13845 (dwarf2out_frame_finish): Output non-EH call frame info only
13846 if DWARF2_FRAME_INFO is nonzero.
13847 (convert_cfa_to_loc_list,
13848 compute_frame_pointer_to_cfa_displacement): Define even if
13849 unwind info is not supported.
13850 (gen_subprogram_die): Use the above unconditionally. Remove
13851 legacy alternate code.
13852 * toplev.c (compile_file): Compile in call to
13853 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13854 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13856 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13857 Jakub Jelinek <jakub@redhat.com>
13859 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13860 IBM extended float format long double as "g" on powerpc*-linux.
13862 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13865 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13866 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13868 2006-02-03 Jason Merrill <jason@redhat.com>
13871 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13873 PR middle-end/25977
13874 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13875 on the return slot if it's an NRV.
13877 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13879 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13880 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13881 rewrite_use): Do not handle USE_OUTER.
13882 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13883 add_iv_outer_candidates, may_replace_final_value,
13884 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13885 (find_interesting_uses_op): Functionality of
13886 find_interesting_uses_outer_or_nonlin moved here.
13887 (find_interesting_uses_outside): Use find_interesting_uses_op.
13889 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13892 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13894 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13895 Ulrich Weigand <uweigand@de.ibm.com>
13898 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13899 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13900 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13901 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13903 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13904 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13905 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13906 Define secondary reloads for TFmode moves.
13907 (constant_modes): Add TFmode.
13908 (NR_C_MODES): Set to 8.
13909 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13911 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13912 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13913 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13914 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13915 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13916 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13917 (FPR mode macro): Add TFmode.
13918 (DSF mode macro): New.
13919 (<de>, <dee> mode attributes): Removed.
13920 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13921 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13922 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13923 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13924 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13925 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13926 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13927 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13928 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13929 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13930 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13931 "*negabs<mode>2", "sqrt<mode>2"):
13932 Changed <de> to <xde>. R constraint replaced by <Rf>.
13933 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13935 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13936 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13937 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13939 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13940 "extenddftf2", "extendsftf2"): New expanders.
13941 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13942 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13943 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13944 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13946 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13947 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13948 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13949 __floatditf): Add a GCC_4.1.0 symbol version tag.
13950 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13953 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13956 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13957 Use targetm.binds_local_p instead of TREE_PUBLIC.
13959 2006-02-02 Roger Sayle <roger@eyesopen.com>
13961 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13962 on INTEGER_TYPEs to indicate that it denotes a character type.
13963 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13964 signed_char_type_node, unsigned_char_type_node and char_type_node.
13965 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13966 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13967 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13969 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13970 Daniel Berlin <dberlin@dberlin.org>
13972 * tree-tailcall.c (arg_needs_copy_p): New function.
13973 (eliminate_tail_call): Use arg_needs_copy_p.
13974 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13975 (add_virtual_phis): New function.
13977 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13979 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13980 #ignore instead of #scratch for %g7 .register directive.
13982 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13984 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13987 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13989 * flow.c (calculate_global_regs_live): Assert that there aren't any
13992 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13994 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13995 what its name says.
13996 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13997 bsi_after_labels iterator.
13998 * tree-if-conv.c (find_phi_replacement_condition,
13999 replace_phi_with_cond_modify_expr): Likewise.
14000 * tree-scalar-evolution.c (scev_const_prop): Likewise.
14001 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
14003 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14005 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
14007 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14010 * tree-cfg.c (move_block_to_fn): Clear out the basic block
14011 array after growing it.
14013 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14015 PR middle-end/24901
14016 * fold-const.c (fold_checksum_tree): Change type of buf.
14018 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
14020 * reload.c (push_secondary_reload): Initialize t_icode.
14022 2006-02-01 Jakub Jelinek <jakub@redhat.com>
14024 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
14025 -msoft-float -mlong-double-128 only issue a warning, but don't
14026 swich to DFmode long double.
14028 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
14030 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14031 has a constant equivalent, iterate over equivalents for arg0,
14032 calling simplify_relational_operation and if there's a result
14033 cheaper than X, apply fold_rtx and return the result.
14035 2006-02-01 Jan Hubicka <jh@suse.cz>
14037 * opts.c (no_unit_at_a_time_default): New global variable.
14038 (decode_options): Use it.
14039 * opts.h (no_unit_at_a_time_default): Declare.
14041 2006-02-01 Paul Brook <paul@codesourcery.com>
14043 * function.c (assign_parm_setup_reg): Use function argument promotion
14045 * expr.c (expand_expr_real_1): Use function argument promotion rules
14048 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14050 * gcc.c (process_command): Change j to 'unsigned int'.
14052 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14054 PR middle-end/26001
14055 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14056 Use the corrected index for the character
14057 out of the string constant.
14059 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14061 * mode-switching.c (optimize_mode_switching): Fix size
14062 allocated for bb_info[n_entities].
14064 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14066 * gcc.c (main): Correct type that is allocated for
14067 explicit_link_files.
14069 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14071 * config/s390/s390.c (init_alignment_context): Set
14072 ALIAS_SET_MEMORY_BARRIER on the MEM.
14073 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14075 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14077 PR middle-end/25933
14078 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14080 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14083 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14085 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14086 * regrename.c: Ditto.
14087 * tree-ssa-loop-im.c: Ditto.
14088 * tree-dump.c: Ditto.
14089 * tree-complex.c: Ditto.
14090 * genrecog.c: Ditto.
14091 * tree-ssa-threadupdate.c: Ditto.
14093 * java/class.c: Ditto.
14094 * java/jcf-parse.c: Ditto.
14095 * java/resource.c: Ditto.
14096 * java/except.c: Ditto.
14097 * java/jvspec.c: Ditto.
14098 * java/jcf-write.c: Ditto.
14099 * java/jcf-path.c: Ditto.
14100 * java/gjavah.c: Ditto.
14101 * java/zextract.c: Ditto.
14102 * java/jcf-io.c: Ditto.
14103 * java/jcf.h: Ditto.
14104 * java/buffer.c: Ditto.
14105 * java/lang.c: Ditto.
14106 * java/parse-scan.y: Ditto.
14107 * java/lex.c: Ditto.
14108 * java/lex.h: Ditto.
14109 * cfgloopmanip.c: Ditto.
14110 * postreload-gcse.c: Ditto.
14111 * tree-ssa-loop-manip.c: Ditto.
14112 * postreload.c: Ditto.
14113 * tree-ssa-loop-ch.c: Ditto.
14116 * cppspec.c: Ditto.
14117 * diagnostic.c: Ditto.
14119 * genoutput.c: Ditto.
14121 * cfghooks.c: Ditto.
14122 * cfgloopanal.c: Ditto.
14123 * objc/objc-act.c: Ditto.
14125 * genextract.c: Ditto.
14126 * genautomata.c: Ditto.
14127 * pretty-print.c: Ditto.
14128 * genemit.c: Ditto.
14129 * cgraphunit.c: Ditto.
14131 * df-scan.c: Ditto.
14132 * haifa-sched.c: Ditto.
14133 * dominance.c: Ditto.
14135 * tree-ssa-loop-ivopts.c: Ditto.
14136 * df-core.c: Ditto.
14137 * mode-switching.c: Ditto.
14138 * modulo-sched.c: Ditto.
14140 * ipa-pure-const.c: Ditto.
14142 * fix-header.c: Ditto.
14144 * tree-stdarg.c: Ditto.
14145 * ipa-utils.c: Ditto.
14146 * loop-init.c: Ditto.
14147 * ipa-inline.c: Ditto.
14148 * cfganal.c: Ditto.
14150 * alloc-pool.c: Ditto.
14151 * dwarf2out.c: Ditto.
14153 * genattrtab.c: Ditto.
14154 * tree-ssa-loop-ivcanon.c: Ditto.
14155 * predict.c: Ditto.
14156 * timevar.c: Ditto.
14158 * fortran/gfortranspec.c: Ditto.
14159 * regmove.c: Ditto.
14160 * local-alloc.c: Ditto.
14161 * langhooks.c: Ditto.
14162 * function.c: Ditto.
14163 * tree-vectorizer.c: Ditto.
14165 * ipa-type-escape.c: Ditto.
14167 * tree-if-conv.c: Ditto.
14168 * profile.c: Ditto.
14170 * tree-data-ref.c: Ditto.
14171 * loop-unroll.c: Ditto.
14172 * treelang/treetree.c: Ditto.
14174 * bt-load.c: Ditto.
14175 * ggc-common.c: Ditto.
14177 * coverage.c: Ditto.
14179 * tree-cfgcleanup.c: Ditto.
14180 * tree-ssa-pre.c: Ditto.
14181 * cfgcleanup.c: Ditto.
14182 * loop-invariant.c: Ditto.
14183 * loop-iv.c: Ditto.
14184 * ipa-prop.c: Ditto.
14185 * print-tree.c: Ditto.
14186 * conflict.c: Ditto.
14187 * ggc-page.c: Ditto.
14188 * sched-deps.c: Ditto.
14189 * regclass.c: Ditto.
14190 * tree-object-size.c: Ditto.
14191 * combine.c: Ditto.
14192 * bb-reorder.c: Ditto.
14193 * resource.c: Ditto.
14194 * var-tracking.c: Ditto.
14195 * cfgloop.c: Ditto.
14196 * df-problems.c: Ditto.
14197 * reg-stack.c: Ditto.
14199 * gccspec.c: Ditto.
14200 * sched-rgn.c: Ditto.
14201 * tree-ssa-structalias.c: Ditto.
14202 * tree-ssa-reassoc.c: Ditto.
14203 * config/darwin-c.c: Ditto.
14204 * config/darwin.c: Ditto.
14205 * config/arm/arm.c: Ditto.
14207 * collect2.c: Ditto.
14208 * reload1.c: Ditto.
14210 2006-01-31 Nicolas Pitre <nico@cam.org>
14212 * arm.md (smaxsi3): Make aware of smax_m1.
14215 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14217 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14219 2006-01-31 Richard Guenther <rguenther@suse.de>
14221 * doc/invoke.texi (-msselibm): Document.
14222 * target.h (expand_library_builtin): New target hook.
14223 * builtins.c (expand_builtin): Use expand_library_builtin.
14224 (default_expand_library_builtin): New function.
14225 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14226 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14227 (link_gcc_math_spec): Declare.
14228 (static_specs): Add link_gcc_math_spec.
14229 * expr.h (default_expand_library_builtin): Declare.
14230 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14231 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14232 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14233 * config/i386/i386.opt (msselibm): New target option.
14234 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14235 (ix86_init_sse_abi_builtins): New function.
14236 (ix86_expand_library_builtin): Likewise.
14237 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14238 (override_options): Handle error conditions wrt -msselibm.
14239 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14240 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14241 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14244 2006-01-31 Richard Guenther <rguenther@suse.de>
14245 Paolo Bonzini <bonzini@gnu.org>
14247 * doc/install.texi (--disable-libgcc-math): Document.
14249 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14251 * expr.h (expand_normal): new inline function.
14252 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14253 * dojump.c: use it.
14254 * dwarf2out.c: use it.
14257 * expmed.c: use it.
14258 * except.c: use it.
14259 * config/sparc/sparc.c: use it.
14260 * config/i386/i386.c: use it.
14261 * config/rs6000/rs6000.c: use it.
14262 * config/arm/arm.c: use it.
14263 * config/mips/mips.c: use it.
14264 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14266 2006-01-30 Roger Sayle <roger@eyesopen.com>
14268 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14269 argv to the appropriate type.
14271 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14273 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14276 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14279 * config/s390/s390.c (struct machine_function): New flag
14280 decomposed_literal_pool_addresses_ok_p.
14281 (s390_reorg): Set it before final stage of literal pool transforms.
14282 (s390_decompose_address): Only accept displacements of the form
14283 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14285 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14287 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14288 the comparison routine return.
14290 2006-01-30 Michael Matz <matz@suse.de>
14292 * global.c (find_reg): Only evict for global regs.
14293 Take n_refs into account and dump more info.
14295 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14298 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14299 (pragma_trap, pragma_nosave_low_regs): Likewise.
14300 (current_function_anonymous_args): Likewise.
14301 (sh_deferred_function_attributes): New variable.
14302 (sh_deferred_function_attributes_tail): Likewise.
14303 (print_operand): For '@', look up trap_exit attribute.
14304 (calc_live_regs): Look up trapa_handler attribute. For trapa
14305 handlers, save/restore fpscr, but don't do any other
14306 interrupt-specific saves.
14307 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14308 Fix check for partially saved registers to check for SHmedia.
14309 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14310 (sh_output_function_epilogue): Don't clear any of the removed
14312 (sh_insert_attributes): Don't check pragma_interrupt.
14313 Insert deferred attributes. Check that interrupt attribute is
14314 present for other attributes that require its presence.
14315 (sh_attribute_table): Add new attributes trapa_handler and
14317 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14318 Don't check for pragma_interrupt. Don't store argument.
14319 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14320 (sh_deferred_function_attributes): Declare.
14321 (sh_deferred_function_attributes_tail): Likewise.
14322 * sh.md (sp_switch_1): Add operand. Change generator caller.
14323 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14324 (*return_i): Don't use when trap_exit attribute is in effect.
14325 (*return_trapa): New insn pattern.
14326 * sh-c.c: New file.
14327 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14328 setting c_target_objs and cxx_target_objs.
14329 * t-sh: Add rule for sh-c.o.
14331 2006-01-30 Richard Guenther <rguenther@suse.de>
14334 * gimplify.c (gimplify_target_expr): Handle easy cases
14335 without creating a temporary.
14337 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14339 * vec.h (safe_grow): Remove duplicated line.
14341 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14344 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14345 (expand_omp): ... here.
14346 (expand_omp_parallel): Only remove barriers for combined
14347 parallel+workshare constructs.
14349 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14353 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14354 * tree.c (build_qualified_type): Chain the new type to the original
14355 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14356 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14357 (build_pointer_type_for_mode): Only return unqualified types.
14358 (build_reference_type_for_mode): Likewise.
14360 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14362 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14363 * Makefile.in (CXX_COMPAT_WARN): Define.
14364 * configure: Regenerate.
14366 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14369 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14372 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14374 * toplev.c: Fix thinko.
14376 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14377 Marcin Dalecki <martin@dalecki.de>
14379 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14380 (push_srcloc): Use XNEW.
14381 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14383 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14385 * df-core.c (df_set_blocks): Deleted all variable.
14387 2006-01-28 Ian Lance Taylor <ian@airs.com>
14389 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14390 cgraph_output_pending_asms.
14392 2006-01-28 Zack Weinberg <zackw@panix.com>
14394 * c.opt: Add -W(no-)overlength-strings.
14395 * doc/invoke.texi: Document it.
14396 * c-opts.c (c_common_handle_option): -pedantic implies
14397 -Woverlength-strings, if not explicitly disabled already.
14398 (c_common_post_options): -Woverlength-strings defaults to off, and
14399 is always off for C++.
14400 * c-common.c (fix_string_type): Issue warning about strings longer
14401 than is portable only if warn_overlength_strings. Rearrange code
14402 a little for clarity.
14403 * configure.in: Check for -Wno-overlength-strings as well before
14404 enabling -pedantic in stage 1.
14405 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14406 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14408 * genconditions.c (write_header, write_one_condition)
14409 (write_conditions, write_writer): Consolidate very long strings
14410 that were broken up to fit in C89 portable limit. Don't use
14411 printf when fputs will do.
14413 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14415 * combine.c (simplify_comparison <AND>): Check
14416 TRULY_NOOP_TRUNCATION before start using a subreg.
14418 * config/mips/mips.md (*branch_zero<mode>,
14419 *branch_zero<mode>_inverted, *branch_equality<mode>,
14420 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14421 Remove mode check from comparisons.
14423 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14425 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14427 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14429 * expmed.c (const_mult_add_overflow_p): Remove.
14430 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14432 * recog.c (validate_replace_rtx_subexp): Remove.
14433 * recog.h: Remove the prototype for
14434 validate_replace_rtx_subexp.
14436 * integrate.h: Remove the prototype for
14437 copy_decl_for_inlining.
14438 * rtl.h: Remove the prototype for mark_constant_function.
14439 * tree-vectorizer.h: Remove the prototype for
14440 vect_strip_conversion.
14442 * modulo-sched.c (create_partial_schedule,
14443 free_partial_schedule, reset_partial_schedule): Make them
14446 * hooks.c (hook_bool_rtx_int_false): Remove.
14447 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14449 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14451 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14452 and -mlong-double-128 are incompatible.
14453 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14454 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14455 (TARGET_LIBGCC2_CFLAGS): Define.
14456 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14457 (TARGET_LIBGCC2_CFLAGS): Same.
14458 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14460 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14463 * c-typeck.c (build_binary_op): Perform implicit casts of
14464 operands before shortening them.
14466 * cfgloopmanip.c (split_loop_bb): Remove.
14467 * cfgloop.h: Remove the prototype for split_loop_bb.
14469 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14470 * cfgloop.h: Remove the prototype for
14471 flow_loop_outside_edge_p.
14473 * emit-rtl.c (init_virtual_regs): Make it static.
14474 * function.h: Remove the prototype for init_virtual_regs.
14476 * recog.c (peephole2_optimize): Make it static.
14477 * recog.h: Remove the prototype for peephole2_optimize.
14479 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14481 * df-scan.c (df_record_entry_block_defs): Check if
14482 INCOMING_RETURN_ADDR_RTX is defined.
14484 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14485 Kenneth Zadeck <zadeck@naturalbridge.com>
14487 PR rtl-optimization/24762
14488 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14489 * targhooks.c (hook_void_bitmap): New hook prototype.
14490 * targhoohs.h (hook_void_bitmap): Ditto.
14491 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14492 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14493 * target.h (live_on_entry): New function pointer.
14494 * df-scan.c (df_all_hard_regs): Removed.
14495 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14496 (df_scan_free_internal): Added df->entry_block_defs.
14497 (df_scan_alloc): Ditto.
14498 (df_scan_dump): Ditto.
14499 (df_uses_record): Plumbed flag field properly thru calls.
14500 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14501 This part fixes PR24762.
14502 (df_bb_refs_record): Added code to make the frame and arg
14503 pointers live in EH blocks.
14504 (df_refs_record): Added call to df_record_entry_block_defs.
14505 (df_record_entry_block_defs): New function.
14506 * df-core.c: Added comments to describe new artifical defs.
14507 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14508 (entry_block_defs): New field in struct df.
14509 (df_all_hard_regs): Deleted.
14510 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14511 * df-problems.c (df_ru_bb_local_compute_process_def):
14512 Added code to handle artifical defs in the entry to a function.
14513 (df_ru_bb_local_compute): Ditto.
14514 (df_rd_bb_local_compute_process_def): Ditto.
14515 (df_rd_bb_local_compute): Ditto.
14516 (df_lr_bb_local_compute): Ditto.
14517 (df_ur_bb_local_compute): Ditto.
14518 (df_urec_bb_local_compute): Ditto.
14519 (df_chain_create_bb): Ditto.
14520 (df_ur_local_finalize): Removed entry.
14521 (df_urec_init): Ditto.
14522 (df_urec_local_finalize): Ditto.
14523 (df_ri_bb_compute): Added detection of last use of pseudos.
14524 * Makefile.in (df-scan.o): Updated dependencies.
14525 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14526 * config/mips/mips.c (mips_set_live_on_entry): Added.
14527 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14529 * dce.c (marked_insn_p): Added code to handle artifical defs.
14531 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14533 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14535 (_mm_cvtsi128_si64): Likewise.
14536 (_mm_cvtsd_si64): Likewise.
14537 (_mm_cvttsd_si64): Likewise.
14538 (_mm_cvtsi64_sd): Likewise.
14539 (_mm_cvtsi64_si128): Likewise.
14540 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14541 (_mm_cvtsi64_m64): Likewise.
14542 (_m_to_int64): Likewise.
14543 (_mm_cvtm64_si64): Likewise.
14544 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14545 (_mm_cvttss_si64): Likewise.
14546 (_mm_cvtsi64_ss): Likewise.
14547 (_mm_cvtss_f32): Likewise.
14549 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14551 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14552 for pragma redefine_extname.
14554 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14557 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14558 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14559 -mno-minimal-toc to previous content.
14560 (bispecs): Remove goal.
14561 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14562 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14563 compatibility aliases on powerpc-*-*gnu*.
14564 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14565 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14566 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14567 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14568 (ldblspecs): New goal.
14569 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14570 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14572 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14573 L_sf_to_tf or L_df_to_tf is defined.
14575 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14576 Alan Modra <amodra@bigpond.net.au>
14579 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14580 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14581 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14582 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14583 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14584 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14585 (rs6000_override_options): Initialize rs6000_ieeequad.
14586 Initialize TFmode format to ibm_extended_format if not
14588 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14590 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14591 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14592 (function_arg_advance): IBM long double passed in two FPRs, not
14594 (function_arg): IBM long double passed in FPRs.
14595 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14596 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14597 Only multireg GPR aligned.
14598 (rs6000_init_libfuncs): Enable IBM long double functions if not
14600 (rs6000_generate_compare): Use IBM long double compare if not
14602 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14603 (TARGET_IEEEQUAD): Define.
14604 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14605 not TARGET_IEEEQUAD.
14606 * config/rs6000/rs6000.md: Enable TFmode patterns if
14608 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14609 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14610 and -mlong-double-128 are incompatible.
14611 * doc/invoke.texi (-mabi): Collect options together. Add
14612 ibmlongdouble and ieeelongdouble.
14614 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14616 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14618 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14619 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14620 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14621 * rtl.h (rtunion_def): Remove rt_ptr.
14623 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14624 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14625 * config/i386/winnt.c (i386_pe_mark_dllexport)
14626 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14628 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14630 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14632 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14636 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14637 pthread_key_delete. From John David Anglin. gthrw-ify
14638 pthread_getunique_np only if it it's not a macro. Delete
14640 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14641 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14642 __gthread_objc_condition_signal, __gthread_key_delete): Add
14643 "__attribute__ ((__unused__))" to unused arguments.
14644 (__gthread_recursive_mutex_init_function): Add missing return.
14645 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14646 gthr-posix95.h: Use macro-based approach for name redirection
14647 on targets missing weakref.
14649 2006-01-26 Zack Weinberg <zackw@panix.com>
14651 * genconditions.c (write_header): In generated code, #ifdef out
14652 all includes and fake declarations, except includes of bconfig.h
14653 and system.h, unless GCC_VERSION >= 3001. Do not include
14654 gensupport.h in any case.
14655 (write_conditions): Generate a definition of struct c_test. Add
14656 a comment to the generated #endif.
14657 (write_one_condition): Escape backslashes in string too.
14658 (write_writer): Generated code must escape backslashes and quote
14659 marks (but not newlines) in the strings it writes.
14660 * Makefile.in (build/gencondmd.o): Update dependencies.
14662 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14665 * Makefile.in (insn-automata.o): Add header file dependencies.
14666 * genautomata.c: Add includes.
14668 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14671 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14673 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14675 * configure.ac: Expect target tools paths to be passed from the toplevel
14676 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14678 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14680 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14683 * c.opt (Wpointer-sign): Init to -1.
14684 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14685 OPT_pedantic, to 0 otherwise.
14686 * doc/invoke.texi: Update.
14688 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14690 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14691 constants provided by 80387 instructions in the destination mode.
14693 2006-01-26 Richard Guenther <rguenther@suse.de>
14694 Andrew Pinski <pinskia@physics.uc.edu>
14697 partial PR tree-opt/17064
14698 * tree-ssa-structalias.c (intra_create_variable_infos):
14699 Create heap variables for incoming parameters if
14700 flag_argument_noalias > 1.
14701 (find_what_p_points_to): Look through default defs of
14704 2006-01-26 Jeff Law <law@redhat.com>
14707 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14708 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14709 within the VR_RANGE, use the VR_RANGE as the result, not the
14711 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14712 bounds for the type.
14714 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14716 * tree-ssa-alias.c (maybe_create_global_var): Change
14717 subvar walking to an assertion that we don't have subvar'd variables.
14719 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14722 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14723 Use a new variable, inner. PARM_DECLs are always non-weak.
14725 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14727 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14728 --disable-checking.
14730 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14732 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14734 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14736 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14737 (smax_insn, smin_insn, smax_0, smin_0): New.
14739 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14742 * config/cris/cris.c (cris_order_for_addsi3): New function.
14743 * config/cris/cris-protos.h: Prototype it.
14744 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14745 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14746 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14747 (split for "op.S1 [rx=rx+i],ry (swapped)")
14748 (split for "op(s|u).S1 [rx=rx+i],ry")
14749 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14750 Apply cris_order_for_addsi3 when generating addsi3 insns.
14752 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14754 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14755 (TREE_BLOCK): Add call to EXPR_CHECK.
14757 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14760 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14761 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14762 (dump_omp_clauses): ... here.
14763 (dump_generic_node): Handle OMP_CLAUSE.
14764 * tree.c (omp_clause_num_ops): New.
14765 (omp_clause_code_name): New.
14766 (tree_code_size): Handle OMP_CLAUSE.
14767 (tree_size): Likewise.
14768 (make_node): Document handling of OMP_CLAUSE.
14769 (tree_node_structure): Handle OMP_CLAUSE.
14770 (omp_clause_check_failed): New.
14771 (omp_clause_range_check_failed): New.
14772 (omp_clause_operand_check_failed): New.
14773 (build_omp_clause): New.
14774 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14775 * tree.h (enum omp_clause_code): Declare.
14776 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14777 (OMP_CLAUSE_RANGE_CHECK): Define.
14778 (OMP_CLAUSE_ELT_CHECK): Define.
14779 (omp_clause_check_failed): Declare.
14780 (omp_clause_operand_check_failed): Declare.
14781 (omp_clause_range_check_failed): Declare.
14782 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14783 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14784 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14785 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14786 (OMP_CLAUSE_IF_EXPR): Likewise.
14787 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14788 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14789 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14790 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14791 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14792 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14793 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14794 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14795 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14796 (OMP_CLAUSE_CODE): Define.
14797 (OMP_CLAUSE_SET_CODE): Define.
14798 (OMP_CLAUSE_CODE): Define.
14799 (OMP_CLAUSE_OPERAND): Define.
14800 (struct tree_omp_clause): Declare.
14801 (union tree_node): Add field 'omp_clause'.
14802 * treestruct.def (TS_OMP_CLAUSE): Define.
14803 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14804 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14805 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14806 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14807 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14808 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14809 (OMP_CLAUSE): Define.
14810 * print-tree.c (print_node): Handle OMP_CLAUSE.
14811 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14812 * c-typeck.c: Likewise.
14813 * gimplify.c: Likewise.
14814 * c-omp.c: Likewise.
14815 * tree-nested.c: Likewise.
14816 * tree-inline.c: Likewise.
14817 * c-parser.c: Likewise.
14818 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14821 2006-01-25 Roger Sayle <roger@eyesopen.com>
14823 PR rtl-optimization/25703
14824 * combine.c (try_combine): Handle zero_extract and strict_low_part
14825 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14827 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14829 * global.c: Fix comment typos.
14831 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14834 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14835 Use output_addr_const instead of assemble_name.
14837 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14839 * Makefile.in (sched-vis.o): Update dependencies.
14840 * haifa-sched.c (sched_finish): Clear current_sched_info.
14841 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14842 (dump_flow_info): Call it.
14843 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14845 * basic-block.h (dump_bb_info): Declare.
14846 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14847 option, and apply options only for dump files whose TDF_RTL,
14848 TDF_TREE, or TDF_IPA bits match.
14849 * rtl.h: Declare new functions exported from sched-vis.c.
14850 * sched-vis.c: Enable also if scheduling is not used.
14851 (print_value): Print the mode of registers if not inside scheduling.
14852 (print_insn): Make it work outside the scheduler. Beautify the output
14854 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14856 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14858 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14859 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14860 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14861 depending on the value of CONSTANT_POOL_ADDRESS_P.
14862 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14864 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14865 rather than SYMBOL_REF_DECL.
14866 (rtx_constant_pool): Remove const_rtx_sym_htab.
14867 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14868 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14869 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14870 Remove handling of const_rtx_sym_htab.
14871 (find_pool_constant): Delete.
14872 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14873 rather than find_pool_constant.
14874 (get_pool_constant_for_function): Delete.
14875 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14876 find_pool_constant.
14877 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14878 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14879 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14880 (SYMBOL_REF_CONSTANT): New macro.
14881 (get_pool_constant_for_function): Delete.
14882 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14883 rather than SYMBOL_REF_DECL.
14884 (i386_pe_mark_dllimport): Likewise.
14885 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14886 rather than SYMBOL_REF_DECL.
14887 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14888 (machopic_indirect_call_target): Likewise.
14890 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14892 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14894 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14896 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14898 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14900 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14902 2006-01-24 David Daney <ddaney@avtrex.com>
14905 * configure.ac (enable_tls): New enable option.
14906 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14907 * configure: Regenerate.
14908 * doc/install.texi (--enable-tls): Document new option.
14909 (--disable-tls): Ditto.
14911 2006-01-24 Richard Henderson <rth@redehat.com>
14913 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14914 * alias.c (true_dependence): Respect it.
14915 (canon_true_dependence, write_dependence_p): Likewise.
14916 * builtins.c (get_builtin_sync_mem): Set it.
14918 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14920 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14923 2006-01-24 DJ Delorie <dj@redhat.com>
14925 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14926 for storing constants in single-bit bitfields.
14928 2006-01-25 Ben Elliston <bje@au.ibm.com>
14930 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14932 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14935 * tree-ssa-pre.c (phi_translate): Return NULL
14936 for AGGREGATE_TYPE's.
14938 2006-01-24 Zack Weinberg <zackw@panix.com>
14940 * genautomata.c (process_state_for_insn_equiv_partition):
14941 Use xcalloc for insn_arcs_array.
14942 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14943 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14945 2006-01-24 Richard Henderson <rth@redhat.com>
14947 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14948 update all callers.
14950 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14952 PR rtl-optimization/25890
14953 PR rtl-optimization/25905
14954 * combine.c (expand_compound_operation, expand_field_assignment):
14955 Fail if the bitfield's final position is out of bounds.
14957 2006-01-24 Ian Lance Taylor <ian@airs.com>
14959 PR middle-end/25930
14960 * cgraphunit.c (cgraph_output_in_order): Don't clear
14961 cgraph_asm_nodes until after asm strings have been output.
14963 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14965 * fix-header.c (read_scan_file): Add new parameter imultilib when
14966 calling register_include_chains.
14968 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14970 * omp-low.c: Update documentation.
14972 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14973 Daniel Berlin <dberlin@dberlin.org>
14977 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14978 return from the function.
14980 2006-01-22 Zack Weinberg <zackw@panix.com>
14982 * rtl.def (match_code): Add second argument.
14983 * genpreds.c (write_extract_subexp): New function.
14984 (write_match_code): Add path argument. Use write_extract_subexp.
14985 (write_predicate_expr): Pass path to write_match_code.
14986 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14987 not perform a mode test.
14988 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14989 a subexpression does not constrain the top-level code set.
14990 * read-rtl.c (read_rtx_variadic): New function.
14991 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14992 * doc/md.texi: Document new notation.
14993 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14994 (cmpsi_operand): ... here, using new notation.
14996 2006-01-22 Zack Weinberg <zackw@panix.com>
14998 * varray.c: Remove GENERATOR_FILE #ifdefs.
15000 2006-01-22 Zack Weinberg <zackw@panix.com>
15002 * genautomata.c (output_reserved_units_table): Emit nothing if
15003 description->query_units_num is zero. Remove extra blank line.
15004 (output_cpu_unit_reservation_p): Short circuit
15005 if description->query_units_num is zero.
15007 2006-01-22 Zack Weinberg <zackw@panix.com>
15009 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
15010 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
15011 nor any of the random handful of variables that used to be necessary
15012 when this program was linked with rtlanal.o. Prune set of forward
15013 function declarations.
15014 (struct attr_desc): Remove static_p field.
15015 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
15016 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
15017 (attr_string): Do not read the character one past the length of
15019 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
15020 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
15021 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
15022 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
15023 (make_automaton_attrs): New.
15024 (main): Do not call into genautomata. Call local gen_bypass
15025 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
15026 Remove special case for insn_alts.
15027 * genautomata.c: Include gensupport.h; not genattrtab.h nor
15028 varray.h (leftover from previous change). Prune set of forward
15029 function declarations. Remove state_alts fields from all
15030 structures. Remove state_alts_table from struct automaton.
15031 Make everything except main static. Do not maintain num_dfa_decls.
15032 Do not maintain state_alts fields of various structures.
15033 (process_decls): Don't validate condexp for dm_insn_reserv decls.
15034 (add_arc): Remove state_alts argument. All callers updated.
15035 (output_reserved_units_table): Emit #ifdef here...
15036 (output_tables): ...not here. Don't generate state_alts tables.
15037 (expand_automata): Don't generate attributes.
15038 (write_automata): Don't generate state_alts functions.
15039 (main): New function.
15040 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15041 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15042 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15043 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15044 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15045 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15046 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15047 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15049 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15050 * genattrtab.h: Delete file.
15051 * Makefile.in (OBJS-common): Add insn-automata.o.
15052 (insn-automata.o): New rule.
15053 (simple_generated_c): Add insn-automata.c.
15054 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15055 (genprogmd): Add automata.
15056 (build/genattrtab): Needs no extra objects nor libraries.
15057 (build/genautomata): Needs build/vec.o and -lm.
15059 2006-01-22 Zack Weinberg <zackw@panix.com>
15061 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15062 (output_dfa_max_issue_rate, locked_states_num): Delete.
15063 (struct automaton): Add locked_states field.
15064 (output_dead_lock_vect): Save number of locked states in
15065 automaton->locked_states. If it is zero, don't print anything.
15066 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15067 (output_internal_dead_lock_func): Only test the dead_lock_vect
15068 for automata that have locked states.
15069 (output_statistics): Always print the number of locked states for
15070 each automaton. Calculate total number of locked states here.
15071 (write_automata): Don't call output_dfa_max_issue_rate.
15072 * genattrtab.c: Define length_unit_log as a const variable.
15073 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15074 max_insn_queue_index const.
15075 * final.c (length_unit_log): Declare const.
15076 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15078 2006-01-22 Zack Weinberg <zackw@panix.com>
15080 * genautomata.c: Include vec.h, not varray.h.
15081 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15082 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15083 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15084 VEC_* macros operating on appropriately typed vectors, or to
15085 malloced arrays when the size is known in advance. Const-ify
15086 many char* variables and function arguments. No functional changes.
15087 * Makefile.in (build/varray.o): Delete rule.
15088 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15089 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15091 2006-01-22 Zack Weinberg <zackw@panix.com>
15093 * gensupport.c: Define get_insn_name and record_insn_name here.
15094 (read_md_rtx): Call record_insn_name as appropriate.
15095 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15096 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15097 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15099 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15100 (BUILD_VARRAY): Delete.
15101 (genprognormal): Rename genprogmd. Fold in all programs from
15102 genprognoprint; also attrtab.
15103 (build/genattrtab): Just mention genautomata.o and varray.o.
15104 Reorganize a bit, add comments to make the categories clearer.
15106 2006-01-22 Zack Weinberg <zackw@panix.com>
15108 * genconditions.c (condition_table, add_condition): Delete.
15109 (write_conditions): Don't emit n_insn_conditions nor
15110 insn_elision_unavailable. Issue the gcc version #ifdef here,
15111 inside the table, with no #else clause ...
15112 (write_header): ...not here.
15113 (write_writer): New function.
15114 (main): Don't initialize condition_table. Use add_c_test.
15116 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15117 files on the command line.
15118 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15119 Return -1 if there is no entry in the table, don't abort.
15120 (add_c_test, traverse_c_tests): New functions.
15121 * gensupport.h (insn_elision_unavailable, insn_conditions)
15122 (n_insn_conditions): Delete declarations.
15123 (add_c_test, traverse_c_tests): Declare.
15124 * read-rtl.c: Include gensupport.h.
15125 (read_conditions): New function.
15126 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15127 (read_rtx_1): If we get EOF when we were looking for an initial
15128 open paren, return 0. Call read_conditions when appropriate.
15129 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15130 dummy-conditions.o. Eliminate references to insn-conditions.o,
15131 or change them to build/gencondmd.o, as appropriate. Remove
15132 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15133 from $(simple_generated_c). For all files remaining in those
15134 two lists, add insn-conditions.md to the generator command line.
15135 Give insn-constants.h/s-constants their own rules. Add rules
15136 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15137 (build/read-rtl.o): Depend on gensupport.h.
15138 (genprognormal): Include preds.
15139 (genprogearly): Rename genprognoprint; only difference is now that
15140 they don't link with $(BUILD_PRINT).
15141 * dummy-conditions.c: Delete.
15143 2006-01-22 Zack Weinberg <zackw@panix.com>
15145 * genextract.c: Don't include insn-config.h. Do include vec.h.
15146 Declare vectors of int, char, and locstr.
15147 (locstr): New typedef.
15148 (struct extraction): Make all array fields into bare pointers.
15149 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15150 (insn_code_number): Delete.
15151 (accum_extract): New struct.
15152 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15153 (gen_insn): Take insn_code_number as an argument. Use an
15154 accum_extract structure instead of loading data directly into
15155 a struct extraction, and having to know how big it might get.
15156 (walk_rtx): Operate entirely on an accum_extract structure.
15157 (print_path): Avoid unnecessary use of printf.
15158 (print_header): New function, split out of main. Distinguish
15159 more carefully between an unrecognizable insn and an insn that
15160 has the code number of a define_expand.
15161 (main): Pass insn_code_number to gen_insn. Call print_header
15162 only after parsing. Avoid unnecessary use of printf.
15163 * Makefile.in (build/vec.o): New rule.
15164 (build/genextract): Depend on build/vec.o.
15165 (build/genextract.o): Don't depend on insn-config.h.
15167 2006-01-22 Zack Weinberg <zackw@panix.com>
15169 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15170 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15171 practical. Eliminate per-generator-program link rules.
15173 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15175 PR middle-end/24437
15176 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15177 with a call expr to ...
15178 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15180 2006-01-23 Richard Guenther <rguenther@suse.de>
15182 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15183 before make_edge with conditional EDGE_TRUE_VALUE.
15185 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15186 Jan Hubicka <jh@suse.cz>
15187 Richard Guenther <rguenther@suse.de>
15189 PR rtl-optimization/25654
15190 * cfgexpand.c (aggregate_contains_union_type): New function.
15191 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15192 for structure variables that contain a union type.
15194 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15196 * gengtype.c (new_structure): Return the structure.
15197 (create_option): Add an extra "next" argument.
15198 (create_field): New function.
15199 (adjust_field_rtx_def): Use create_option and create_field.
15200 Remove a now-unnecessary call to find_structure.
15201 (adjust_field_tree_def): Likewise.
15202 (note_yacc_type): Remove an unnecessary call to find_structure.
15203 * gengtype.h (new_structure): Return the structure.
15204 (create_option): Add an extra argument.
15205 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15206 (option): Adjust calls to create_option.
15208 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15210 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15212 2006-01-22 Paul Brook <paul@codesourcery.com>
15213 Peter Barada <peter@the-baradas.com>
15215 * config/m68k/m68k.md: Add Coldfire FPU support.
15216 Define FP mode macro and associated attributes.
15217 Use it for float mode patterns.
15218 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15219 (LIBCALL_VALUE): Use m68k_libcall_value.
15220 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15221 (m68k_function_value): Ditto.
15222 (emit_move_sequence): Ditto.
15223 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15224 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15225 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15226 (MULTILIB_EXCEPTIONS): Ditto.
15227 * config/m68k/m68k.opt: Add mcfv4e.
15228 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15229 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15230 (m68k_output_function_prologue): Save ColdFire FPU registers.
15231 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15232 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15233 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15234 ColdFire FPU registers.
15235 (m68k_libcall_value, m68k_function_value): New functions.
15236 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15237 (LIBCALL_VALUE): Use m68k_libcall_value.
15238 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15239 (MASK_COLDFIRE): Add MASK_CFV4E.
15240 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15241 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15242 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15243 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15244 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15245 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15246 * doc/invoke.tex: Document -mcfv4e on m68k.
15248 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15250 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15253 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15256 * c-opts.c (c_common_handle_option): Don't include
15257 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15258 * doc/invoke.texi (C++ Dialect Options): Document that
15259 -Wnon-virtual-dtor is no longer included in -Wall.
15261 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15263 * gcov.c (print_version), gcov-dump.c (print_version),
15264 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15267 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15269 * df-scan.c (problem_SCAN): Added NULL reset function.
15270 (df_scan_reset_blocks): Added code to call reset block function
15271 (df_bb_refs_delete) Fixed comment.
15272 (df_insn_refs_delete): Made tolerant of deleting non existent info
15273 for dataflow problems that need to be reset.
15274 * df-core.c (df_set_blocks): Ditto.
15275 * df.h (struct df_problem): Added reset_fun.
15276 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15277 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15278 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15279 functions to clear out all references to def-use or use-def chains.
15281 2006-01-21 Ben Elliston <bje@au.ibm.com>
15283 * varasm.c (assemble_real): Initialise data array.
15285 2006-01-20 Paul Brook <paul@codesourcery.com>
15287 Merge from csl-arm-branch.
15288 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15289 * config/arm/arm.md (movdi): Force operands[1] to a register
15290 if we have a non-register source.
15291 (*arm_movdi, *movdf_soft_insn): Require that one of the
15292 operands be a register.
15293 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15294 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15296 2006-01-20 DJ Delorie <dj@redhat.com>
15298 * varasm.c (initializer_constant_valid_p): Allow pointers
15299 initialized from integer constants of lesser precision.
15300 (output_constant): Allow non-int-sized pointer modes to be
15301 initialized from integer constants.
15303 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15306 * cppdefault.h (struct default_include): Add multilib flag.
15307 * cppdefault.c (cpp_include_defaults): Set it.
15308 * c.opt (-imultilib): New option.
15309 * c-opts.c (imultilib): New.
15310 (c_common_handle_option): Handle -imultilib.
15311 (c_common_post_options): Likewise.
15312 * c-incpath.c (add_standard_paths, register_include_chains):
15314 * c-incpath.h (register_include_chains): Add extra parameter.
15315 * gcc.c (do_spec_1): Generate -imultilib option.
15316 (The Specs Language): Update %I description.
15317 (process_command): Update copyright notice.
15318 * doc/cppopts.texi (-imultilib): Document.
15319 * doc/invoke.texi (-imultilib): Include in option summary.
15320 (%I): Update specs documentation.
15322 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15324 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15326 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15328 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15331 2006-01-20 Richard Guenther <rguenther@suse.de>
15332 Steven Bosscher <stevenb.gcc@gmail.com>
15334 PR rtl-optimization/24626
15335 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15336 EDGE_TRUE_VALUE if in RTL mode.
15339 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15340 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15342 2006-01-20 Dirk Mueller <dmueller@suse.com>
15345 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15346 instead of a special NOP marker.
15347 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15348 NOP marker handling.
15349 * c-common.h (empty_body_warning): Add forward declaration.
15350 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15351 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15353 2006-01-20 Paul Brook <paul@codesourcery.com>
15355 * Makefile.in (lang_checks): Keep going if mkdir fails.
15357 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15359 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15360 be able to clean out basic block when not necessary.
15361 (df_scan_free): Fixed to properly delete information if df is
15362 unused before calling df_finish.
15363 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15364 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15366 (df_bb_refs_delete): New function.
15367 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15368 * df-core.c (df_set_blocks): Added code to properly clean out
15369 unused blocks if they are not part of the blocks to consider.
15370 Added additional null check.
15371 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15372 be able to clean out basic block when not necessary
15373 * df.h (df_free_bb_function): Ditto.
15374 (df_bb_refs_delete): New function.
15375 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15376 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15377 basic block parameter to be able to clean out basic block when not
15379 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15380 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15381 Fixed to properly delete information if df is unused before
15384 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15386 PR rtl-optimization/25799
15387 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15388 Corrected confluence operator to remove bits from op2 before oring
15389 with op1 rather than removing bits from op1.
15390 (df_ru_transfer_function): Corrected test on wrong bitmap which
15391 caused infinite loop. Both of these problems were introduced in
15392 the dataflow rewrite.
15394 2006-01-19 DJ Delorie <dj@redhat.com>
15396 * reload1.c (find_reload_regs): Note the details of reload
15397 failures in the dump file.
15398 (spill_failure): Likewise.
15400 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15402 * loop-iv.c: Include df.h and hashtab.h.
15403 (enum iv_grd_result): New enum.
15404 (DF_REF_IV, DF_REF_IV_SET): New macros.
15405 (struct biv_entry): New.
15406 (df, bivs): New global variables.
15407 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15408 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15410 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15411 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15412 analyzed_for_bivness_p, record_biv): New functions.
15413 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15414 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15415 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15417 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15419 (iv_number_of_iterations): Use new interface to iv analysis.
15420 * loop-unroll.c: Do not include varray.h.
15421 (analyze_iv_to_split_insn): Use new interface to iv
15423 * loop-unswitch.c (may_unswitch_on): Ditto.
15424 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15426 (df_bb_modify): Realloc tables to the new index.
15427 (df_find_use): New function.
15428 * df.h (df_find_use): Declare.
15429 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15431 * cfgloop.h (struct rtx_iv): Remove analysed field.
15432 (iv_get_reaching_def): Removed.
15433 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15434 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15435 (loop-iv.o): Add df.h and hashtab.h dependency.
15436 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15438 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15441 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15443 (__floatundisf, __floatundidf): Likewise.
15444 * libgcc2.h (IS_IBM_EXTENDED): Define.
15446 2006-01-19 DJ Delorie <dj@redhat.com>
15448 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15450 2006-01-19 Paul Brook <paul@codesourcery.com>
15452 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15453 as nothrow when unwinding tables are disabled.
15455 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15458 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15459 of bit-field" when in system header.
15461 2006-01-19 DJ Delorie <dj@redhat.com>
15463 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15464 the 16 bit shift limit of the m16c.
15466 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15469 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15470 * config/i386/i386.c (output_set_got): Output the label if we have one
15471 for the TARGET_DEEP_BRANCH_PREDICTION case.
15473 2006-01-19 Jan Hubicka <jh@suse.cz>
15474 H.J. Lu <hongjiu.lu@intel.com>
15475 Evandro Menezes <evandro.menezes@amd.com>
15477 * invoke.texi (generic): Document
15479 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15480 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15481 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15482 (x86_use_incdec, x86_pad_returns): New variables
15483 (TARGET_CPU_DEFAULT_generic): New constant
15484 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15485 (enum processor_type): Add generic32 and generic64.
15486 * i386.md (cpu attribute): Add generic32/generic64
15487 (movhi splitter): Behave sanely when both partial_reg_dependency and
15488 partial_reg_stall are set.
15489 (K8 splitters): Enable for generic as well.
15490 * predicates.md (incdec_operand): Use TARGET_INCDEC
15491 (aligned_operand): Avoid memory mismatch stalls.
15492 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15493 * ppro.md: Enable for generic32
15494 * i386.c (generic64_cost, generic32_cost): New.
15495 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15496 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15497 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15498 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15499 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15500 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15501 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15502 x86_accumulate_outgoing_args, x86_prologue_using_move,
15503 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15504 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15505 Enable for generic.
15506 (x86_use_incdec, x86_pad_returns): New.
15507 (override_options): Add generic32 and generic64, translate "generic"
15508 to generic32/generic64 and "i686" to "generic32", refuse
15509 "generic32"/"generic64" as arch target.
15510 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15511 (ix86_reorg): Honor PAD_RETURNS.
15513 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15515 * tree-pretty-print.c (dump_generic_node): Handle
15516 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15517 * cgraph.c (cgraph_expand_queue): Rename from
15518 cgraph_analyze_queue. Update all users.
15519 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15520 cgraph_expand_queue.
15521 (cgraph_expand_all_functions): Likewise.
15522 (cgraph_finalize_pending_functions): Remove. Update callers.
15524 * tree.h (OMP_DIRECTIVE_P): Define.
15525 (OMP_PARALLEL_FN): Define.
15526 (OMP_PARALLEL_DATA_ARG): Define.
15527 (OMP_SECTIONS_SECTIONS): Define.
15528 * tree-pass.h (pass_expand_omp): Declare.
15529 * omp-low.c (struct omp_region): Declare.
15530 (struct omp_context): Remove fields 'parallel_type',
15531 'parallel_start_ix' and 'parallel_start_additional_args'.
15533 (struct omp_for_data): Rename from struct expand_omp_for_data.
15534 (omp_regions): New static variable.
15535 (root_omp_region): New static variable.
15536 (find_omp_clause): Make static.
15537 (is_in_combined_parallel_ctx): Remove.
15538 (is_combined_parallel): New.
15539 (extract_omp_for_data): Move earlier in the file.
15540 (workshare_safe_to_combine_p): New.
15541 (get_ws_args_for): New.
15542 (determine_parallel_type): Move earlier in the file.
15543 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15545 (omp_copy_decl): Likewise.
15546 (create_omp_child_function): Likewise.
15547 (lookup_omp_region): New.
15548 (dump_omp_region): New.
15549 (debug_omp_region): New.
15550 (debug_all_omp_regions): New.
15551 (new_omp_region): New.
15552 (scan_omp_parallel): If parallel_nesting_level > 1, the
15553 directive is nested within another parallel directive.
15554 Set OMP_PARALLEL_FN.
15555 (scan_omp_for): Do not try to handle combined parallel+for
15557 Remove FIXME comment.
15558 (scan_omp_nested): Remove.
15559 (scan_omp_1): Do not call scan_omp_nested when
15560 parallel_nesting_level is > 1.
15561 Do not change the DECL_CONTEXT of local variables found.
15562 (lookup_decl_in_outer_ctx): New.
15563 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15564 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15565 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15566 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15567 If CTX is nested, lookup VAR in the outer context when
15568 building copy assignment.
15569 (lower_send_clauses): Rename from expand_send_clauses.
15570 If CTX is nested, lookup VAR in the outer context when
15571 building copy assignments.
15572 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15573 If CTX is nested, lookup VAR in the outer context when
15574 building copy assignments.
15575 (expand_parallel_call): Rename from build_parallel_call.
15576 Handle combined parallel+workshare cases.
15577 Re-implement to emit code into the CFG.
15579 (expand_omp_parallel): Re-implement to emit code into the CFG.
15580 Call move_sese_region_to_fn to outline the sub-graph
15581 containing the parallel region.
15582 (expand_omp_for_1): Remove.
15583 (expand_omp_for_generic): Re-implement to emit code into the
15585 (expand_omp_for_static_nochunk): Likewise.
15586 (expand_omp_for_static_chunk): Likewise.
15587 (expand_omp_for): Likewise.
15588 (expand_omp_sections): Likewise.
15589 (remove_exit_barriers): New.
15590 (expand_omp_synch): New.
15592 (build_omp_regions_1): New.
15593 (build_omp_regions): New.
15594 (execute_expand_omp): New.
15595 (gate_expand_omp): New.
15596 (pass_expand_omp): Define.
15597 (lower_omp_sections): Rename from expand_omp_sections.
15598 Set OMP_SECTIONS_SECTIONS.
15599 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15600 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15601 (lower_omp_single): Rename from expand_omp_simple.
15602 (lower_omp_master): Rename from expand_omp_master.
15603 (lower_omp_ordered): Rename from expand_omp_ordered.
15604 (lower_omp_critical): Rename from expand_omp_critical.
15605 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15606 (lower_omp_for): Re-implement.
15607 (lower_omp_parallel): Re-implement.
15608 (lower_regimplify): Rename from expand_regimplify.
15609 (lower_omp_1): Rename from expand_omp_1.
15610 If there are syntax errors in the program, replace every
15611 OpenMP directive with NOP.
15612 Call lower_omp_* instead of expand_omp_*.
15613 (lower_omp): Rename from expand_omp.
15615 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15616 * tree-gimple.h (enum omp_parallel_type): Remove.
15617 (gimple_boolify): Declare extern.
15618 (find_omp_clause, determine_parallel_type): Remove.
15620 * gimple-low.c (lower_omp_directive): New.
15621 (lower_stmt): Call it.
15622 (record_vars_into): Move from ...
15623 (record_vars): ... here.
15624 Call record_vars_into with current_function_decl.
15626 * gimplify.c (struct gimplify_ctx): Remove fields
15627 combined_pre_p and combined_ctxp. Update users.
15628 (get_formal_tmp_var): Add documentation.
15629 (gimple_boolify): Make extern.
15630 (gimplify_expr_in_ctx): Remove. Update callers.
15631 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15632 will always be a BIND_EXPR.
15633 (gimplify_expr): Handle OMP_RETURN_EXPR.
15634 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15635 (OMP_PARALLEL): Add 3 operands.
15636 (OMP_SECTIONS): Add 1 operand.
15637 (OMP_RETURN_EXPR): Define.
15639 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15640 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15641 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15642 creating a circular free list.
15643 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15645 * tree-flow.h (move_sese_region_to_fn): Declare.
15646 (record_vars_into): Declare.
15647 * tree-cfg.c (make_omp_sections_edges): New.
15648 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15649 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15650 OMP_SECTIONS and OMP_SECTION.
15651 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15652 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15653 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15654 (gather_blocks_in_sese_region): New.
15655 (struct move_stmt_d): Declare.
15656 (move_stmt_r): New.
15657 (move_block_to_fn): New.
15658 (move_sese_region_to_fn): New.
15660 * passes.c (init_optimization_passes): Schedule
15661 pass_expand_omp after pass_init_datastructures.
15663 * tree-ssa-operands.c (get_expr_operands): Handle
15664 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15665 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15667 2006-01-19 Jeff Law <law@redhat.com>
15669 * tree-vrp.c (extract_range_from_assert): Refine the result range
15670 if the variable referenced by the ASSERT_EXPR has a range and
15671 either the tentative result range or the previous range is a
15674 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15676 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15678 2006-01-19 Jan Hubicka <jh@suse.cz>
15680 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15682 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15684 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15685 (expand_compound_operation, expand_field_assignment): Fail if the
15686 bit lengths of an extract operation are out of range.
15687 (make_extraction): Compute wanted_inner_mode based on the position
15688 and length of the extraction. Make it extraction_mode for non-constant
15689 positions, and do not modify offset in that case. When generating a
15690 new MEM, use a mode that can hold the extraction while keeping correct
15691 alignment. Remove code that supported MEMs wrapped by USEs.
15692 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15694 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15696 * config/s390/s390.md ("Y", "y"): New mode attribute.
15697 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15698 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15699 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15700 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15701 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15702 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15703 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15704 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15705 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15706 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15707 "addsi3", "subsi3"): Insn patterns removed.
15708 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15709 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15710 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15711 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15712 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15713 "*sub<mode>3_cconly2"): New insn patterns.
15714 ("addsi3", "subsi3"): New expanders.
15716 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15718 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15719 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15720 existing STMT_VINFO_VECTYPE if available.
15721 (vect_mark_relevant): Add special handling for stmts that are
15722 marked as STMT_VINFO_IN_PATTERN_P.
15723 (vect_analyze_loop): Call vect_pattern_recog.
15724 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15725 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15727 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15728 (vect_recog_func_ptr): New function-pointer type.
15729 * tree-vect-patterns.c: New file.
15730 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15731 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15732 (vect_pattern_recog_1): New functions.
15733 (vect_pattern_recog_funcs): New array of function pointers.
15735 * tree-vectorizer.h (ternary_op): New enum value.
15736 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15737 declaration. Revised documentation. Removed redundant dump prints.
15738 Removed redundant argument. Added support for reduction patterns.
15739 (vectorizable_reduction): Added support for reduction patterns.
15740 (vect_transform_stmt): Added support for patterns.
15742 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15743 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15744 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15745 (expand_widen_pattern_expr): New function.
15746 (init_optabs): Initialize new optabs udot_prod_optab,
15748 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15749 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15750 (expand_widen_pattern_expr): New function declaration.
15751 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15753 * tree-inline.c (estimate_num_insns_1): Added cases for new
15754 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15755 * tree-pretty-print.c (dump_generic_node): Likewise.
15756 (op_prio): Likewise.
15757 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15758 * tree-ssa-operands.c (get_expr_operands): Added case for
15760 * tree-vect-patterns.c (widened_name_p): New function.
15761 (vect_recog_dot_prod_pattern): Added function implementation.
15762 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15763 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15764 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15765 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15767 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15768 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15769 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15770 (init_optabs): Initialize new optabs widen_ssum_optab,
15772 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15773 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15774 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15775 use instead of type of def.
15776 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15777 function implementation.
15778 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15779 widen_ssumv8hi): New.
15781 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15784 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15787 * c-decl.c (add_flexible_array_elts_to_size): New function.
15788 (finish_decl): Use it.
15790 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15792 * diagnostic.h: Include options.h.
15793 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15794 dependancies for diagnostic.h.
15795 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15797 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15799 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15800 (ssa_ro_call_cache_valid): Ditto.
15801 * tree-ssa-alias.c (sort_tags_by_id): New function.
15802 (init_transitive_clobber_worklist): Ditto.
15803 (add_to_worklist): Ditto.
15804 (mark_aliases_call_clobbered): Ditto.
15805 (compute_tag_properties): Ditto.
15806 (set_initial_properties): Ditto.
15807 (compute_call_clobbered): Ditto.
15808 (compute_may_aliases): Call compute_call_clobbered and grouping.
15809 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15810 (compute_flow_insensitive_aliasing): Grouping now happens in our
15812 (setup_pointers_and_addressables): Remove clobbering related code.
15813 (add_may_alias): Ditto.
15814 (replace_may_alias): Ditto.
15815 (get_nmt_for): Ditto.
15816 (create_global_var):
15817 (is_escape_site): Return an escape_type enumeration.
15818 * tree-flow-inline.h (is_call_clobbered): Global var does not
15819 imply call clobbered.
15820 (mark_call_clobbered): Take a reason for marking this. Remove
15821 marking of globalness, and cache invalidation.
15822 (clear_call_clobbered): Remove cache invalidation code.
15823 * tree-dfa.c (dump_variable): If details is on, dump the reason
15825 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15827 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15828 (struct var_ann_d): Ditto.
15829 (enum escape_type): New.
15830 (mark_call_clobbered): Adjust prototype.
15831 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15832 are never call clobbered.
15833 Record reasons for escaping.
15834 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15835 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15836 (ssa_ro_call_cache_valid): Ditto.
15837 (clobbered_v_may_defs): Ditto.
15838 (clobbered_vuses): Ditto.
15839 (ro_call_vuses): Ditto.
15840 (clobber_stats): New.
15841 (init_ssa_operands): Zero out clobber stats.
15842 (fini_ssa_operands): Print out clobber stats.
15843 (get_call_expr_operands): Pass callee fndecl to
15844 add_call_read_ops).
15845 (add_call_clobber_ops): Remove use of cache.
15846 Add use of PURE_CONST information.
15847 (add_call_read_ops): Remove use of cache.
15848 Add use of static not_read information.
15850 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15852 Introduce TLS descriptors for i386 and x86_64.
15853 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15854 (TARGET_ANY_GNU_TLS): New macro.
15855 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15856 (struct machine_function): Add tls_descriptor_call_expanded_p.
15857 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15858 (ix86_current_function_calls_tls_descriptor): Likewise.
15859 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15860 (override_options): Introduce gnu2 tls dialect.
15861 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15863 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15865 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15866 (ix86_init_machine_status): Initialize new field.
15867 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15868 (ix86_tls_module_base): New.
15869 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15870 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15871 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15872 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15873 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15874 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15875 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15876 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15877 * config/i386/predicates.md (tls_modbase_operand): New.
15878 (tp_or_register_operand): New.
15880 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15882 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15883 (look_for_address_of): Ditto.
15884 (ipa_init): Walk the function decls.
15885 (static_execute): Don't set readonly on FUNCTION_DECL's.
15887 2006-01-18 Roger Sayle <roger@eyesopen.com>
15889 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15890 for shifts where the source and destination registers are different.
15892 2006-01-18 Paul Brook <paul@codesourcery.com>
15894 Merge from csl-arm-branch.
15895 2005-03-14 Julian Brown <julian@codesourcery.com>
15896 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15897 (aeabi_llsl): Likewise.
15898 (ashrdi3): Likewise.
15899 (aeabi_lasr): Likewise.
15900 (lshrdi3): Likewise.
15901 (aeabi_llsr): Likewise.
15902 2005-03-10 Julian Brown <julian@codesourcery.com>
15903 * config.gcc: Disable shared libgcc for SymbianOS.
15904 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15906 2006-01-18 DJ Delorie <dj@redhat.com>
15908 * c-pragma.c (handle_pragma_diagnostic): New.
15909 (init_pragma): Register it.
15910 * doc/extend.texi: Document it.
15912 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15913 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15914 (diagnostic_context): Add classify_diagnostic[].
15915 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15916 as errors if they're overridden to DK_WARNING.
15917 (diagnostic_initialize): Initialize classify_diagnostic[].
15918 (diagnostic_set_kind_override): New.
15919 (diagnostic_report_diagnostic): Check for kind changes.
15920 * opts.c (common_handle_option): Take lang_mask. Update callers.
15921 Handle OPT_Werror_.
15922 * common.opt (Werror=): New.
15923 * doc/invoke.texi: Document -Werror=*
15925 2006-01-18 Jeff Law <law@redhat.com>
15927 * tree-vrp.c (test_for_singularity): Correct test for new
15928 min limit. Use operand_equal_p rather than pointer equality
15929 for testing if new min/max values are equal.
15931 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15932 using range information until after propagation and folding.
15934 2006-01-18 Richard Henderson <rth@redhat.com>
15935 Aldy Hernandez <aldyh@redhat.com>
15936 Jakub Jelinek <jakub@redhat.com>
15937 Diego Novillo <dnovillo@redhat.com>
15939 * omp-low.c: New file.
15940 * c-omp.c: New file.
15942 2006-01-18 Richard Henderson <rth@redhat.com>
15943 Jakub Jelinek <jakub@redhat.com>
15944 Diego Novillo <dnovillo@redhat.com>
15946 * doc/invoke.texi: Document -fopenmp.
15947 * tree-dump.h (debug_function): Declare.
15948 * hooks.c (hook_bool_tree_bool_false): New function.
15949 (hook_tree_tree_null): Remove.
15950 (hook_tree_tree_tree_null): New.
15951 * hooks.h: Update to match.
15952 * tree-pretty-print.c (debug_tree_chain): New.
15953 (print_generic_expr): Handle TDF_CHAIN.
15954 (dump_generic_node): Handle BLOCK.
15955 Do not abort with incomplete SWITCH_EXPRs.
15956 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15957 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15958 print space after directive name.
15959 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15960 Handle OMP_MASTER and OMP_ORDERED.
15961 Handle printing of OMP_BODY just in one place, goto
15962 dump_omp_body in the rest of OMP_* nodes that have
15964 Don't handle clause nodes here. Update omp statements to
15965 use dump_omp_clauses.
15966 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15967 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15968 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15969 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15970 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15971 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15972 Adjust output for GOMP_PARALLEL.
15973 (dump_omp_clauses): New.
15974 (print_declaration): Dump DECL_VALUE_EXPR.
15975 (op_symbol_1): Split out of op_symbol.
15976 (dumping_stmts): Remove. Update all users.
15977 * cgraph.c (cgraph_analyze_queue): New.
15978 (cgraph_add_new_function): New.
15979 * cgraph.h (cgraph_analyze_queue): Declare.
15980 (cgraph_add_new_function): Declare.
15981 (cgraph_lower_function): Remove.
15982 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15983 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15984 and TYPE_P nodes in its default clause.
15985 (empty_body_p): New.
15986 (tree_range_check_failed): New.
15987 (build5_stat): New.
15988 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15989 OMP_CLAUSE_REDUCTION_MERGE,
15990 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15991 OMP_CLAUSE_PRIVATE_DEBUG,
15992 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15993 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15994 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15995 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15996 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15997 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15998 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15999 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
16000 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
16001 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
16002 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
16003 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
16004 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
16005 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
16006 (TREE_RANGE_CHECK): New.
16007 (empty_body_p): Declare.
16008 (enum omp_clause_default_kind): New.
16009 (build_string_literal): Declare.
16010 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
16011 (build5_stat, build5): Declare.
16012 * tree-pass.h (TDF_CHAIN): Define.
16013 * tree-pass.h (PROP_gimple_lomp): Define.
16014 (pass_lower_omp): Declare.
16015 * diagnostic.h (debug_tree_chain): Declare.
16016 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
16018 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
16019 * builtins.c (build_string_literal): Make extern.
16020 * gcc.c (include_spec_function): New.
16021 (static_spec_functions): Add it.
16022 (main): Move load of libgomp.spec ...
16023 (LINK_COMMAND_SPEC): ... here.
16024 (link_gomp_spec): New.
16025 (static_specs): Include it.
16026 (LINK_COMMAND_SPEC): Add link_gomp.
16027 (GOMP_SELF_SPECS): New.
16028 (driver_self_specs): Include it.
16029 (switch_matches): Don't mark inline.
16030 (main): Load libgomp.spec.
16031 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
16032 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16033 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16034 * tree-gimple.h (enum omp_parallel): Declare.
16035 (determine_parallel_type): Declare.
16036 (omp_firstprivatize_variable): Declare.
16037 (omp_reduction_init): Declare.
16038 (diagnose_omp_structured_block_errors): Declare.
16039 (struct walk_stmt_info): Add want_return_expr.
16040 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16041 (find_omp_clause): Declare.
16042 (insert_field_into_struct): Declare.
16043 (struct walk_stmt_info): Move from tree-nested.c
16044 (walk_stmts): Declare.
16045 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16047 * cgraphunit.c (cgraph_lower_function): Make static.
16048 (cgraph_finalize_pending_functions): New.
16049 (cgraph_finalize_function): Call it.
16050 (cgraph_finalize_compilation_unit): Likewise.
16051 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16052 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16053 (BT_FN_UINT_UINT): New.
16054 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16055 DEF_FUNCTION_TYPE_VAR_4): Document.
16056 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16057 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16058 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16059 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16060 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16061 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16062 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16063 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16064 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16065 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16066 into separate files.
16067 (DEF_GOMP_BUILTIN): New.
16068 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16069 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16070 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16071 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16072 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16073 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16074 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16075 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16076 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16077 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16078 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16079 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16080 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16081 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16082 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16083 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16084 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16085 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16086 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16087 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16088 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16089 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16090 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16091 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16092 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16093 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16094 * sync-builtins.def: New file, moved from builtins.def.
16095 * omp-builtins.def: New file, moved from builtins.def.
16096 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16097 * gimple-low.c (lower_function_body): Clear data.
16098 (lower_stmt): Do not handle COMPOUND_EXPR.
16099 Remove call to print_node_brief.
16100 * c-tree.h (c_finish_omp_clauses): New prototype.
16101 (C_DECL_THREADPRIVATE_P): Define.
16102 (lookup_name_no_remap, c_omp_remap_private): Remove
16103 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16104 (check_for_loop_decls): Update decl.
16105 (lookup_name_no_remap, c_omp_remap_private): Declare.
16106 (build_indirect_ref, build_modify_expr, pushdecl,
16107 pushdecl_top_level): Move to c-common.h.
16108 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16109 before the switch, but just in the 2 places that need it.
16110 * c-decl.c (diagnose_mismatched_decls): Do not check for
16111 mismatched thread-local attributes when OLDDECL is marked
16112 threadprivate and NEWDECL has no thread-local attributes.
16113 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16114 (c_gimple_diagnostics_recursively): Rename from
16115 c_warn_unused_result_recursively. Invoke
16116 diagnose_omp_structured_block_errors.
16117 (check_for_loop_decls): Return a singular decl found.
16118 * langhooks.c (lhd_omp_predetermined_sharing): Return
16119 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16120 (lhd_omp_firstprivatize_type_sizes): New.
16121 (lhd_omp_assignment): New.
16122 (lhd_omp_predetermined_sharing): New.
16123 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16124 (struct lang_hooks_for_types): Add
16125 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16126 omp_predetermined_sharing, omp_disregard_value_expr,
16127 omp_private_debug_clause, omp_clause_default_ctor,
16128 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16129 (c_finish_omp_clauses): New.
16130 (c_finish_bc_stmt): Diagnose break within omp for.
16131 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16132 (build_unary_op): Return error_mark after reporting
16134 (build_modify_expr): Likewise.
16135 * gimplify.c: Include optabs.h and pointer-set.h.
16136 (enum gimplify_omp_var_data): Declare.
16137 (struct gimplify_omp_ctx): Declare.
16138 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16140 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16141 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16142 (splay_tree_compare_decl_uid): New.
16143 (new_omp_context): New.
16144 (delete_omp_context): New.
16145 (gimple_add_tmp_var): Call omp_add_variable.
16146 (gimplify_bind_expr): Likewise.
16147 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16148 true, disregard DECL_VALUE_EXPR on the decl if any.
16149 (gimplify_expr_in_ctx): New.
16150 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16151 omp_add_variable, omp_notice_variable, omp_is_private
16152 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16153 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16154 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16155 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16156 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16157 gimplify_omp_atomic): New.
16158 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16159 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16160 OMP_CRITICAL and OMP_ATOMIC.
16161 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16162 * c-pragma.h (enum pragma_kind): Add
16163 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16164 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16165 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16166 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16167 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16168 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16169 PRAGMA_OMP_THREADPRIVATE.
16170 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16171 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16172 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16173 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16174 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16175 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16176 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16177 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16178 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16179 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16180 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16181 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16182 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16184 (struct nesting_info): Add field_map,
16185 suppress_expansion, debug_var_chain.
16186 (create_nesting_tree): Initialize them.
16187 (lookup_field_for_decl): Use field_map.
16188 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16189 (convert_local_omp_clauses): New.
16190 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16191 (walk_body): Split out of walk_function.
16192 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16193 (convert_nonlocal_reference): Handle omp statements.
16194 (convert_local_reference): Likewise.
16195 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16196 (unnest_nesting_tree): New.
16197 (lower_nested_functions): Call it.
16198 (insert_field_into_struct): Make extern.
16199 (struct walk_stmt_info): Move to tree-gimple.h.
16200 (walk_stmts): Make extern.
16201 * omp-builtins.def: New file.
16202 * tree-iterator.c (expr_only): Clarify comment.
16203 * c-common.h (pushdecl_top_level, pushdecl,
16204 build_modify_expr, build_indirect_ref,
16205 c_finish_omp_master, c_finish_omp_critical,
16206 c_finish_omp_ordered, c_finish_omp_barrier,
16207 c_finish_omp_atomic, c_finish_omp_flush,
16208 c_finish_omp_for, c_split_parallel_clauses,
16209 omp_clause_default_kind, c_omp_sharing_predetermined,
16210 c_omp_remap_decl): Declare.
16211 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16212 (OBJS-common): Add omp-low.o.
16213 (c-omp.o, omp-low.o): Add.
16214 (gimplify.o): Add dependency on $(OPTABS_H).
16215 (GTFILES): Add omp-low.c.
16216 (gt-stringpool.h): Add.
16217 * tree-cfg.c (set_bb_for_stmt): Do not update the
16218 block-to-labels map if we are currently expanding to RTL.
16219 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16221 Handle IDENTIFIER_NODE.
16222 (tree_verify_flow_info): Do not ICE when emitting error
16223 messages about invalid labels.
16224 (dump_function_to_file): Reset CFUN before emitting the body
16226 (debug_function): New.
16227 * passes.c (init_optimization_passes): Schedule
16229 * langhooks-def.h (lhd_omp_predetermined_sharing,
16230 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16232 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16233 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16234 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16235 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16236 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16237 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16238 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16239 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16240 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16241 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16242 (LANG_HOOK_DECLS): Use them.
16244 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16245 Richard Henderson <rth@redhat.com>
16246 Jakub Jelinek <jakub@redhat.com>
16247 Diego Novillo <dnovillo@redhat.com>
16249 * c-parser.c (pragma_omp_clause): Define.
16250 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16251 (c_parser_compound_statement): Likewise.
16252 (c_parser_statement): Likewise.
16253 (c_parser_pragma): Handle omp pragmas.
16254 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16255 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16256 (c_parser_omp_clause_name, check_no_duplicate_clause,
16257 c_parser_omp_variable_list,
16258 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16259 c_parser_omp_clause_copyprivate,
16260 c_parser_omp_clause_default,
16261 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16262 c_parser_omp_clause_lastprivate,
16263 c_parser_omp_clause_nowait,
16264 c_parser_omp_clause_num_threads,
16265 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16266 c_parser_omp_clause_reduction,
16267 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16268 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16269 c_parser_omp_atomic, c_parser_omp_barrier,
16270 c_parser_omp_critical, c_parser_omp_flush,
16271 c_parser_omp_for_loop, c_parser_omp_for,
16272 c_parser_omp_master, c_parser_omp_ordered,
16273 c_parser_omp_sections_scope, c_parser_omp_sections,
16274 c_parser_omp_parallel, c_parser_omp_single,
16275 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16276 * c-pragma.c (init_pragma): Do omp pragma registration here.
16277 * c.opt (fopenmp): New flag.
16279 2006-01-18 Eric Christopher <echristo@apple.com>
16281 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16282 * config/darwin.h (GOMP_SELF_SPECS): Define.
16284 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16286 * rtl.h: Remove the prototype for reg_alloc.
16288 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16291 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16292 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16293 sjlj and dwarf2 exception handling.
16294 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16295 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16296 * pa/pa.c (function_value): Treat complex and vector types as
16298 (function_arg): Likewise. Only pass scalar floats in the floating
16299 point argument registers.
16300 * pa/t-slibgcc-dwarf-ver: New file.
16301 * pa/t-slibgcc-sjlj-ver: New file.
16302 * pa/t-slibgcc-elf-ver: Delete file.
16304 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16306 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16307 unlikely_test_section_p test.
16309 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16311 * mode-switching.c (optimize_mode_switching): Make it static.
16312 * basic-block.h: Remove the prototype for
16313 optimize_mode_switching.
16315 * modulo-sched.c (sms_schedule): Make it static.
16316 * rtl.h: Remove the prototype for sms_schedule.
16318 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16319 * rtl.h: Remove the prototype for gcse_after_reload_main.
16321 * reg-stack.c (reg_to_stack): Make it static.
16322 * rtl.h: Remove the prototype for reg_to_stack.
16324 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16326 * rtl.h: Remove the prototypes for regrename_optimize and
16327 copyprop_hardreg_forward.
16329 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16331 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16332 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16333 Test against the appropriate null constant for the mode.
16334 If 'fixup_overlap' is true, swap the operands if they overlap.
16335 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16336 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16337 alpha_split_tmode_pair and adjust for above change.
16338 * config/alpha/alpha.md (movtf_internal): Adjust call to
16339 alpha_split_tfmode_pair and rely on it to swap the operands.
16340 (movti_internal): New insn and post-reload splitter.
16341 (movti): New expander.
16343 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16345 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16348 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16350 * rtlanal.c (global_reg_mentioned_p_1,
16351 global_reg_mentioned_p): Remove.
16352 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16354 * flow.c (initialize_uninitialized_subregs): Make it static.
16355 * rtl.h: Remove the prototype for
16356 initialize_uninitialized_subregs.
16358 * function.c (instantiate_virtual_regs): Make it static.
16359 * function.h: Remove the prototype for
16360 instantiate_virtual_regs.
16362 * regmove.c (regmove_optimize, combine_stack_adjustments):
16364 * rtl.h: Remove the prototypes for regmove_optimize and
16365 combine_stack_adjustments.
16367 2006-01-17 Roger Sayle <roger@eyesopen.com>
16369 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16370 (size_cost): Encode costs in bytes so that a reg-reg addition is
16371 equivalent to COSTS_N_INSNS(1).
16372 (override_options): Use the size_cost.branch_cost as the default
16373 ix86_branch_cost when optimizing for size.
16375 2006-01-18 Ben Elliston <bje@au.ibm.com>
16377 * Makefile.in (D32PBIT_FUNCS): New.
16378 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16379 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16380 D64PBIT_FUNCS and D128PBIT_FUNCS.
16381 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16382 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16384 (decnumber_dep): Define.
16385 * doc/libgcc.texi (Decimal float library routines): New node.
16386 * config/dfp-bit.h, config/dfp-bit.c: New files.
16388 2006-01-18 Ben Elliston <bje@au.ibm.com>
16390 * expr.c (emit_move_change_mode): Always adjust addresses, not
16391 just during reload. Copy replacements only during reload.
16392 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16393 emit_move_via_integer.
16395 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16397 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16398 instead of $(srcdir) and ${srcdir}.
16400 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16403 PR middle-end/11135
16404 * arm.h (struct machine_function): Add pic_reg.
16405 * arm.c (arm_pic_register): Make unsigned.
16406 (arm_override_options): Only set arm_pic_register if
16407 TARGET_SINGLE_PIC_BASE.
16408 (use_return_insn): Only test for a pic register if it is fixed.
16409 (arm_compute_save_reg0_reg12_mask): Likewise.
16410 (thumb_compute_save_reg_mask): Likewise.
16411 (legitimate_pic_operand): Factor out some known invariants.
16412 (legitimize_pic_address): If we don't have a fixed pic register,
16413 then set up a pseudo in the function entry sequence. Handle the
16414 pic base being in a pseudo.
16415 (arm_load_pic_register): Handle the pic register being in a pseudo.
16416 (arm_expand_prologue): Only set up the pic register if it is fixed.
16417 (thumb_expand_prologue): Likewise.
16418 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16419 (pic_load_addr_based_insn): Likewise.
16420 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16423 2006-01-18 Ben Elliston <bje@au.ibm.com>
16425 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16426 decimal float modes for all floating point registers.
16428 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16429 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16431 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16434 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16435 even when the pointer is not NULL.
16437 2006-01-16 Ian Lance Taylor <ian@airs.com>
16439 * common.opt (ftoplevel-reorder): New option.
16440 * cgraph.c (cgraph_asm_nodes): New global variable.
16441 (cgraph_asm_last_node): New static variable.
16442 (cgraph_order): New global variable.
16443 (cgraph_create_node): Set new order field.
16444 (cgraph_varpool_node): Likewise.
16445 (decide_is_variable_needed): Return true if not
16446 flag_toplevel_reorder.
16447 (cgraph_add_asm_node): New function.
16448 * cgraph.h (struct cgraph_node): Add order field.
16449 (struct cgraph_varpool_node): Add order field.
16450 (struct cgraph_asm_node): Define.
16451 (cgraph_asm_nodes, cgraph_order): Declare.
16452 (cgraph_add_asm_node): Declare.
16453 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16455 (cgraph_varpool_assemble_pending_decls): Call it.
16456 (cgraph_output_pending_asms): New static function.
16457 (cgraph_finalize_compilation_unit): Call it.
16458 (struct cgraph_order_sort): Define.
16459 (cgraph_output_in_order): New static function.
16460 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16461 !flag_toplevel_reorder case.
16462 * c-parser.c: Include "cgraph.h".
16463 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16465 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16466 than -fno-unit-at-a-time.
16467 * doc/invoke.texi (Option Summary): Mention
16468 -fno-toplevel-reorder.
16469 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16470 -funit-at-a-time documentation.
16472 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16473 Kazu Hirata <kazu@codesourcery.com>
16475 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16477 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16479 * Makefile.in (FUNCTION_H): New. Use it instead of
16480 function.h throughout the file.
16481 * function.h: Include tree.h.
16483 2006-01-17 Ben Elliston <bje@au.ibm.com>
16485 * recog.c: Separate some functions with whitespace.
16487 2006-01-16 Richard Henderson <rth@redhat.com>
16489 Merge from gomp branch:
16490 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16491 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16492 and rename from struct inline_data. Rename callee* to dst*;
16493 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16494 transform_new_cfg, transform_return_to_modify, and
16495 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16497 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16498 (copy_decl_for_dup): Remove.
16499 * tree-inline.c (struct inline_data): Move to header.
16500 (insert_decl_map): Export.
16501 (remap_decl): Update for member name changes. Use copy_decl hook.
16502 Allow for replacement to be a non-decl. Remove dead code.
16503 (remap_type_1): Check for existing mapping.
16504 (remap_type): Export.
16505 (remap_decls): Update for member name changes.
16506 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16507 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16508 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16509 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16510 (tree_function_versioning, build_duplicate_type): Likewise.
16511 (copy_body_r): Likewise. Export.
16512 (copy_decl_for_dup): Split into ...
16513 (copy_decl_for_dup_finish, copy_decl_to_var,
16514 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16515 (replace_ref_tree, inlining_p): Remove.
16517 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16519 * ifcvt.c (if_convert): Make it static.
16520 * rtl.h: Remove the prototype for if_convert.
16522 * local-alloc.c (local_alloc): Make it static.
16523 * rtl.h: Remove the prototype for local_alloc.
16525 * loop.c (loop_optimize): Make it static.
16526 * cfgloop.h: Remove the prototype for loop_optimize.
16529 2006-01-16 DJ Delorie <dj@redhat.com>
16531 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16534 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16536 * pa.md: Disparage copies between general and floating-point registers
16537 in 32-bit move patterns.
16539 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16542 * Makefile.in (check-%): Depend on site.exp instead of
16543 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16546 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16548 * global.c (global_alloc): Make it static.
16549 * rtl.h: Remove the prototype for global_alloc.
16551 2006-01-16 Richard Guenther <rguenther@suse.de>
16553 * tree-ssa-alias.c (struct used_part): Add write_only field.
16554 (get_or_create_used_part_for): Initialize it to true.
16555 (create_overlap_variables_for): Don't create structure variables
16556 for structures that only are written to.
16557 (find_used_portions): Handle MODIFY_EXPR to track whether a
16558 structure is only written to.
16560 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16562 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16564 * basic-block.h: Remove the prototype for
16565 partition_hot_cold_basic_blocks.
16567 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16569 * cppspec.c (lang_specific_spec_functions): Remove.
16570 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16571 * gcc.h (lang_specific_spec_functions): Remove.
16572 * gccspec.c (lang_specific_spec_functions): Remove.
16574 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16576 * combine.c (record_value_for_reg): Invalidate registers
16578 (record_dead_and_set_regs_1): Likewise, by passing them to
16579 record_value_for_reg.
16580 (record_dead_and_set_regs): Invalidate stores made by a
16581 call. We do not combine across a call, but we still
16582 relied on equivalences.
16584 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16586 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16587 vrp_int_const_binop returning non-constant nodes.
16589 2006-01-16 Paul Brook <paul@codesourcery.com>
16591 * config/m68k/m68k.c (output_move_const_into_data_reg):
16592 Output correct mnemonic for mvz and mvs.
16594 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16596 * rtl-factoring.c: Add sequence abstraction algorithm.
16597 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16598 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16600 (block_has_preserve_label): New function.
16601 * common.opt: Register new pass.
16602 * Makefile.in: Ditto.
16604 * timevar.def: Ditto.
16605 * tree-pass.h: Ditto.
16606 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16607 * rtl.h (make_jump_insn_raw): Add forward decl.
16608 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16610 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16611 Roger Sayle <roger@eyesopen.com>
16613 * fold-const.c (fold_minmax): New static function.
16614 (fold_binary) <MIN_EXPR>: Call it.
16615 <MAX_EXPR>: Likewise.
16616 * stor-layout.c (place_field): Use DECL_SIZE consistently
16617 in the computation of the new record size.
16619 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16621 * cse.c (cse_condition_code_reg): Make it static.
16622 * rtl.h: Remove the prototype for cse_condition_code_reg.
16624 * combine.c (combine_instructions): Make it static.
16625 * rtl.h: Remove the prototype for combine_instructions.
16627 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16630 * tree.c (get_file_function_name_long): Concatenate the first global
16631 object name with a string derived from the input filename of the object
16634 2006-01-16 Ben Elliston <bje@au.ibm.com>
16636 * config/i386/winnt-stubs.c: Update FSF address.
16637 * config/xtensa/ieee754-df.S: Ditto.
16638 * config/xtensa/ieee754-sf.S: Ditto.
16640 2006-01-14 Ian Lance Taylor <ian@airs.com>
16642 * ifcvt.c (noce_init_if_info): New static function, broken out of
16643 noce_process_if_block.
16644 (noce_process_if_block): Call noce_init_if_info.
16645 (check_cond_move_block): New static function.
16646 (cond_move_process_if_block): New static function.
16647 (process_if_block): Call cond_move_process_if_block.
16649 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16651 * cselib.c (hash_table): Rename to cselib_hash_table.
16652 (cselib_clear_table, discard_useless_values,
16653 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16654 cselib_init, cselib_finish): Adjust uses of hash_table.
16656 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16658 PR tree-optimization/25485
16659 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16660 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16661 is known to be false and true, respectively.
16663 2006-01-14 Richard Guenther <rguenther@suse.de>
16665 PR tree-optimization/22548
16666 PR tree-optimization/22555
16667 PR tree-optimization/22501
16668 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16669 * params.def (salias-max-array-elements): New parameter.
16670 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16671 * doc/invoke.texi (salias-max-array-elements): Document.
16672 * tree-flow-inline.h (var_can_have_subvars): We also handle
16674 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16676 * tree-ssa-structalias.c (params.h): Include.
16677 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16678 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16679 (get_constraint_for): For ADDR_EXPR operating on something
16680 containing an ARRAY_REF, add all subvars to the solution.
16681 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16682 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16683 for creating MUST_DEFs.
16684 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16686 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16688 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16690 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16691 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16692 number_of_iterations_le): New functions.
16693 (number_of_iterations_special): Removed.
16694 (number_of_iterations_exit): Do not use number_of_iterations_special.
16695 * tree.c (unsigned_type_for): Always return integer type.
16697 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16698 Richard Guenther <rguenther@suse.de>
16700 PR rtl-optimization/24257
16701 * gcse.c (find_moveable_store): Only consider a store movable
16702 when the SET_SRC of the insn can be assigned to a register.
16704 2006-01-14 Ian Lance Taylor <ian@airs.com>
16706 * tree.c (tree_not_class_check_failed): New function.
16707 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16708 (tree_not_class_check_failed): Declare.
16710 2006-01-13 Ian Lance Taylor <ian@airs.com>
16712 * reload1.c (do_output_reload): Add assertion rejecting a
16715 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16717 * combine.c (struct reg_stat): Add new fields truncation_label and
16719 (record_value_for_reg): Reset truncated_to_mode.
16720 (record_truncated_value): New function.
16721 (check_promoted_subreg): Call it. Rename to check_conversions.
16722 (combine_instructions): Rename check_promoted_subreg to
16724 (reg_truncated_to_mode): New function.
16725 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16726 (gen_lowpart_or_truncate): New function.
16727 (force_to_mode): Use it instead of gen_lowpart.
16729 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16731 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16732 VAR is a tag, not its type tag.
16734 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16736 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16737 alternatives to match style of other entries.
16738 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16740 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16742 PR tree-optimization/25771
16743 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16746 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16749 * tree-inline.c (declare_return_variable): If the return variable
16750 was marked as a non gimple complex, set the return slot variable
16751 to be a non gimple comple variable.
16753 2006-01-13 Richard Guenther <rguenther@suse.de>
16755 * builtins.c (expand_builtin_sincos): New function.
16756 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16758 (expand_builtin): Expand sincos using expand_builtin_sincos.
16760 2006-01-12 DJ Delorie <dj@redhat.com>
16762 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16763 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16764 so that constant shifts can be split.
16765 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16766 (m32c_valid_pointer_mode): Make static.
16767 (shift_gen_func_for): New.
16768 (m32c_prepare_shift): Use it. Split large const shifts into
16770 * config/m32c/predicates.md (shiftcount_operand): Allow more
16772 (longshiftcount_operand): New.
16773 * doc/md.texi (Machine Constraints): Document In6.
16775 2006-01-13 Ben Elliston <bje@au.ibm.com>
16777 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16778 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16781 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16783 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16784 to try to avoid clobbering pieces of structures when we know
16785 something about the whole structure.
16786 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16788 2006-01-13 Ben Elliston <bje@au.ibm.com>
16790 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16791 return in memory, as this is no limitation is no longer present.
16793 2006-01-12 DJ Delorie <dj@redhat.com>
16795 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16796 mova with fb, and for fb+0 -> An.
16798 * config/m32c/mov.md (peephole2): Fix enabling logic.
16800 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16801 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16802 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16803 FINI_ARRAY_SECTION_ASM_OP): Define.
16805 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16807 (m32c_legitimize_reload_address): New logic to reload FB to An.
16808 (m32c_output_reg_push): Add newline.
16809 (m32c_output_reg_pop): Likewise.
16811 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16813 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16815 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16817 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16819 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16821 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16824 2006-01-11 Ben Elliston <bje@au.ibm.com>
16826 * rtlanal.c (find_reg_note): Assert insn is not null.
16828 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16830 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16833 2006-01-11 Jeff Law <law@redhat.com>
16835 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16837 (mark_threaded_blocks, register_jump_thread): New functions.
16838 (thread_through_all_blocks): Remove unwanted argument. No
16839 longer rely on e->aux to communicate thread target info.
16840 Call mark_threaded_blocks. Release the threaded_blocks
16841 bitmap and threaded_edges vector when complete.
16842 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16843 (threaded_blocks): Remove.
16844 (tree_ssa_dominator_optimize): Remove initialization and
16845 finalization of threaded_blocks. Simplify call to
16846 thread_through_all_blocks.
16847 (thread_across_edge): Call register_jump_thread rather than
16848 storing thread information into e->aux.
16849 (free_all_edge_infos): Simplify now that e->aux is no longer
16850 used to communicate with thread_through_all_blocks.
16851 * tree-flow.h (thread_through_all_blocks): Update prototype.
16852 (register_jump_thread): Prototype.
16854 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16856 * df-core.c (df_compact_blocks, df_bb_replace): Use
16857 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16859 2006-01-11 Richard Guenther <rguenther@suse.de>
16861 PR tree-optimization/25734
16862 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16863 stop propagation after successful propagation to the LHS.
16865 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16867 * basic-block.h (control_flow_graph): Change the type of
16868 x_basic_block_info to VEC(basic_block,gc) *.
16869 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16871 (SET_BASIC_BLOCK): New.
16872 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16873 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16874 * cfgbuild.c (find_basic_blocks): Likewise.
16875 * cfglayout.c (fixup_reorder_chain): Likewise.
16876 * cfgrtl.c (create_basic_block_structure,
16877 rtl_create_basic_block): Likewise.
16878 * ifcvt.c (find_if_case_1): Likewise.
16879 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16882 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16884 * Makefile.in: Removed rotted odf.c entry.
16886 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16889 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16890 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16891 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16892 output pattern modifier, not %e.
16893 * config/cris/cris.c (cris_op_str): Update comment about pattern
16895 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16896 before falling through into...
16897 <case 'E'>: Redefined from old 'e' case.
16899 2006-01-11 Jan Hubicka <jh@suse.cz>
16902 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16904 2006-01-11 Jan Hubicka <jh@suse.cz>
16906 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16907 * i386.c (x86_decompose_lea): Kill.
16908 (ix86_rtx_costs): Kill.
16910 2006-01-11 Jan Hubicka <jh@suse.cz>
16912 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16913 * cgraph.h (cgraph_node): Add inline_decl.
16914 (cgraph_insert_node_to_hashtable): Declare.
16915 (save_inline_function_body): Declare.
16916 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16918 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16919 (cgraph_function_versioning): Update call of tree_function_versioning.
16920 (save_inline_function_body): New function.
16921 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16922 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16923 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16924 (cgraph_default_inline_p): Likewise.
16925 (cgraph_decide_inlining_incrementally): Likewise.
16926 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16927 (copy_bb): Kill saving; do updating of clones.
16928 (copy_cfg_body): Kill saving.
16929 (initialize_inlined-parameters): Likewise.
16930 (expand_call_inline): Likewise.
16932 (tree_function_versioning): New parameter "update_clones".
16933 (inlining_p): Kill saving.
16934 * tree-inline.h (tree_function_versioning): Update prototype.
16935 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16938 2006-01-11 Ian Lance Taylor <ian@airs.com>
16940 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16941 Allow undoing set of machine mode.
16942 (do_SUBST): Use enums instead of is_int.
16943 (do_SUBST_MODE): New function.
16944 (SUBST_MODE): New macro.
16945 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16946 reg and trying to replace reg_regno_rtx with a new register.
16947 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16948 (simplify_set): Use SUBST_MODE.
16949 (distribute_notes): Remove code that tried to update reg notes
16950 for regno_reg_rtx changes.
16952 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16954 PR tree-optimization/23109
16955 PR tree-optimization/23948
16956 PR tree-optimization/24123
16958 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16959 * tree-cfg.c (single_noncomplex_succ): New.
16960 * tree-flow.h (single_noncomplex_succ): Declare it.
16961 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16962 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16963 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16964 insert_bb, register_division_in, insert_reciprocals,
16965 replace_reciprocal, free_bb): New.
16966 (execute_cse_reciprocals_1): Rewritten.
16967 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16968 Do not commit any edge insertion. Always compute dominators and
16969 create the allocation pool.
16970 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16971 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16972 * targhooks.c (default_min_divistions_for_recip_mul): New.
16973 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16974 * passes.c (init_optimization_passes): Run recip after tree loop
16976 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16978 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16979 Kenneth Zadeck <zadeck@naturalbridge.com>
16981 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16982 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16983 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16984 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16985 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16986 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16987 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16988 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16989 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16990 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16991 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16992 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16993 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16994 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16995 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16996 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16997 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16998 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16999 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
17000 DF_SCAN_POST_ALLOC): New macros.
17001 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
17002 df_free_bb_function, df_local_compute_function, df_init_function,
17003 df_dataflow_function, df_confluence_function_0,
17004 df_confluence_function_n, df_transfer_function,
17005 df_finalizer_function, df_free_function, df_dump_problem_function,
17006 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
17007 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
17008 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
17009 df_urec_bb_info, ) New types.
17010 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
17012 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
17013 df_analyze_simple_change_some_blocks,
17014 df_analyze_simple_change_one_block, df_compact_blocks,
17015 df_bb_replace, df_bb_regno_last_use_find,
17016 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
17017 df_insn_regno_def_p, df_find_def, df_find_use,
17018 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
17019 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
17020 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
17021 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
17022 debug_df_chain, df_get_dependent_problem, df_chain_create,
17023 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
17024 df_grow_bb_info, df_chain_dump, df_print_bb_index,
17025 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
17026 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
17027 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
17028 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
17029 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
17030 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
17031 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
17032 df_ref_remove, df_insn_refs_delete, df_refs_delete,
17033 df_reorganize_refs, df_set_state, df_hard_reg_init,
17034 df_read_modify_subreg_p) New public functions.
17035 * df-core.c: The core dataflow solver and glue routines for rtl
17037 (df_init, df_add_problem, df_set_blocks, df_finish,
17038 df_hybrid_search_forward, df_hybrid_search_backward,
17039 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17040 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17041 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17042 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17043 df_reg_defined, df_find_use, df_reg_used, df_dump,
17044 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17045 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17046 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17047 debug_df_useno, reset_df_after_reload): New functions.
17048 * df-scan.c: The scanning fuctions, once in df.c, completely
17049 rewritten so that they now fully model the functionality of
17050 register usage at the backend.
17051 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17052 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17053 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17054 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17055 df_get_artificial_defs, df_get_artificial_uses,
17056 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17057 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17058 df_refs_delete, df_reorganize_refs, df_set_state,
17059 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17060 df_def_record_1, df_defs_record, df_uses_record,
17061 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17062 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17063 df_record_exit_block_uses, df_hard_reg_init): New functions.
17065 * df-problems.c: Seven concrete dataflow problems that use the
17066 scanning in df-scan.c and are solved by the engine in df-core.c.
17067 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17068 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17069 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17070 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17071 df_ru_free_bb_info, df_ru_alloc,
17072 df_ru_bb_local_compute_process_def,
17073 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17074 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17075 df_ru_transfer_function, df_ru_free, df_ru_dump,
17076 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17077 df_rd_free_bb_info, df_rd_alloc,
17078 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17079 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17080 df_rd_transfer_function, df_rd_free, df_rd_dump,
17081 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17082 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17083 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17084 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17085 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17086 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17087 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17088 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17089 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17090 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17091 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17092 df_urec_mark_reg_use_for_earlyclobber,
17093 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17094 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17095 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17096 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17097 df_chain_create_bb_process_use, df_chain_create_bb,
17098 df_chain_finalize, df_chain_free, df_chains_dump,
17099 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17100 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17101 df_reg_lifetime): New functions.
17102 * df.c: Deleted file.
17103 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17104 consistent with new df api.
17105 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17106 rest_of_handle_sms): Ditto.
17107 * web.c (unionfind_union, union_defs, entry_register, web_main):
17109 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17110 invariant_expr_equal_p, find_defs, check_dependencies,
17111 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17112 free_inv_motion_data, move_loop_invariants): Ditto.
17113 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17114 Update dependencies.
17115 (odf.c): Added defective entry that was deleted later in day.
17116 * sched-deps.c (sched_analyze_1): Ditto.
17118 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17120 * tree-ssa-operands.c (get_expr_operands): Record addressable
17121 variables directly. Do not call add_stmt_operands for CONST_DECLs
17123 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17124 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17126 2006-01-11 Ben Elliston <bje@au.ibm.com>
17128 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17129 function returns true in the positive case.
17131 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17134 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17135 for SI, DI, SF and DF modes. Add alternatives to copy between
17136 general and floating point registers to the 32-bit patterns.
17137 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17138 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17139 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17140 generating 64-bit code.
17141 * config/pa/pa.c (output_move_double): Handle copies between general
17142 and floating registers.
17144 2006-01-10 Stuart Hastings <stuart@apple.com>
17146 * config/i386/i386.md (set_got): Update.
17147 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17148 (builtin_setjmp_receiver): Mach-O support.
17149 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17150 (GOT_SYMBOL_NAME): Define.
17151 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17152 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17153 * config/i386/i386.c (override_options): Revise for Darwin.
17154 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17155 support. (darwin_x86_file_end): New. (output_set_got): Add label
17156 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17157 * config/i386/i386-protos.h (output_set_got): Likewise.
17158 * config/darwin.c (machopic_legitimize_pic_address): Update
17161 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17163 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17164 when MODE isn't BLKmode.
17166 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17168 PR rtl-optimization/25367
17169 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17171 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17174 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17175 for a negative bound.
17177 2006-01-10 Richard Guenther <rguenther@suse.de>
17179 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17180 Never override with anything constraint.
17182 2006-01-10 Jan Beulich <jbeulich@novell.com>
17184 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17185 256 bits when optimize_size.
17187 2006-01-10 Jan Beulich <jbeulich@novell.com>
17189 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17191 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17192 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17195 2006-01-10 Ben Elliston <bje@au.ibm.com>
17197 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17199 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17200 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17201 (USE_FP_FOR_ARG): Reject decimal float modes.
17202 (function_arg_advance): Likewise.
17203 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17204 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17205 point types in AltiVec vectors.
17206 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17207 (rs6000_libcall_value): Likewise.
17209 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17211 * config/xtensa/ieee754-df.S: New file.
17212 * config/xtensa/ieee754-sf.S: New file.
17213 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17214 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17215 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17217 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17219 * config/sh/predicates.md (binary_float_operator,
17220 binary_logical_operator, commutative_float_operator,
17221 equality_comparison_operator, greater_comparison_operator,
17222 less_comparison_operator, logical_operator,
17223 noncommutative_float_operator, shift_operator,
17224 symbol_ref_operand, unary_float_operator): Remove redundant
17227 2006-01-09 Jeff Law <law@redhat.com>
17229 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17230 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17231 now unused arguments. Callers updated.
17232 (eliminate_redundant_computations): Remove now unused arguments,
17234 (local_fold): Remove, no longer used.
17235 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17237 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17238 (simplify_cond): New function.
17239 (forward_propagate_into_cond): Call simplify_cond.
17241 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17243 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17244 (*vec_extractv2di_1_sse): New.
17246 2006-01-09 Ben Elliston <bje@au.ibm.com>
17248 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17250 2006-01-08 Richard Guenther <rguenther@suse.de>
17252 * tree-ssa-structalias.c (get_constraint_for): Remove
17253 anyoffset argument.
17254 (get_constraint_for_component_ref): Likewise.
17255 (do_deref): Likewise.
17256 (get_constraint_for): Likewise.
17257 (do_structure_copy): Likewise.
17258 (handle_ptr_arith): Likewise.
17259 (find_func_aliases): Likewise. Remove unused need_anyoffset
17262 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17263 Kaz Kojima <kkojima@gcc.gnu.org>
17265 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17266 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17267 (EXTRA_CONSTRAINT_C16): Remove.
17268 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17269 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17270 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17271 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17272 constants of SHmedia. Handle nested constant expressions of
17274 (andcosts): Fix the costs for SHmedia constants.
17275 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17276 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17277 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17278 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17279 (movv4hi_i, movv2si_i): Likewise.
17280 (movsi_const): Adjust the second operand of ior so to match with
17281 the Csu constraint.
17282 (movdi_const, movdi_const_32bit): Likewise.
17283 (movdi_const_16bit+1): Don't sign-extend LOW.
17284 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17286 (*double_shori): Fix the split condition. Use GEN_INT instead
17287 of get_int_mode calls. Mask lower 16-bit of the argument of
17289 (sym2GOTPLT): Remove.
17290 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17292 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17293 instead of EXTRA_CONSTRAINT_C16.
17295 2006-01-07 Ian Lance Taylor <ian@airs.com>
17296 David Edelsohn <edelsohn@gnu.org>
17298 PR rtl-optimization/25662
17299 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17300 for constant operands instead of simplify_gen_binary.
17301 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17302 after trying simplify_binary_operation
17304 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17306 * tree.c (iterative_hash_expr): Hash decls based on UID.
17308 2006-01-06 Eric Christopher <echristo@apple.com>
17310 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17311 (TARGET_UNWIND_EMIT): Fix spelling.
17312 * target.h (gcc_target): Add except_table_label.
17313 * except.c (output_function_exception_table): Use.
17314 * varasm.c (default_emit_except_table_label): New.
17315 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17317 (asm_out): Add here.
17318 * output.h (default_emit_except_table_label): Prototype.
17319 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17320 * config/darwin.c (darwin_emit_except_table_label): Define.
17321 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17323 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17325 PR tree-optimization/18527
17326 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17327 number_of_iterations_special, number_of_iterations_exit):
17328 Move base and step of an iv to a single structure. Add
17329 no_overflow flag, and use it in # of iterations analysis.
17330 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17331 folded_casts argument.
17332 (simple_iv): Pass base and step in a structure. Set no_overflow
17334 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17335 Evaluate expensiveness of computing # of iterations instead of
17336 the final expression.
17337 * tree-scalar-evolution.h (affine_iv): New structure.
17338 (simple_iv): Declaration changed.
17339 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17340 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17341 find_givs_in_stmt): Changed due to simple_iv change.
17343 2006-01-06 Jeff Law <law@redhat.com>
17346 * tree-cfg.c (bsi_replace): Rename final argument from
17347 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17348 change (stmt -> orig_stmt).
17349 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17350 (bsi_remove): Add new argument. Remove EH information
17352 (verify_eh_throw_table_statements): New function.
17353 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17355 * tree-optimize.c (execute_free_cfg_annotations): Verify
17356 the EH throw statement table after removing annotations.
17357 * except.h (verify_eh_throw_table_statements): Prototype.
17358 * tree-flow.h (bsi_remove): Update prototype.
17359 * tree-vrp.c (remove_range_assertions): Add new argument to
17361 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17362 * tree-complex.c (expand_complex_div_wide): Likewise.
17363 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17364 * tree-tailcall.c (eliminate_tailcall): Likewise.
17365 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17366 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17367 * tree-nrv.c (tree_nrv): Likewise.
17368 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17369 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17370 (combine_blocks): Likewise.
17371 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17372 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17373 (cleanup_control_flow): Likewise.
17374 (remove_forwarder_block): Likewise.
17375 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17376 * tree-sra.c (sra_replace): Likewise.
17377 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17378 (forward_propagate_single_use_vars): Likewise.
17379 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17380 * tree-inline.c (expand_call_inline): Likewise.
17381 * tree-vect-transform.c (vect_transform_loop): Likewise.
17382 * tree-outof-ssa.c (rewrite_trees): Likewise.
17383 * tree-cfg.c (make_goto_expr_edges): Likewise.
17384 (cleanup_dead_labels): Likewise.
17385 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17386 (bsi_move_before, bsi_move_after): Likewise.
17387 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17388 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17390 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17393 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17395 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17396 on non gimple variables. Also add checks at the top for decls and
17398 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17400 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17401 and IMAGPART_EXPR for creating MUST_DEFs.
17402 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17403 and NAME_MEMORY_TAG separately from the DECLs.
17405 2006-01-06 Richard Guenther <rguenther@suse.de>
17407 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17408 annotation, if necessary.
17409 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17410 redundant calls to update_stmt.
17411 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17414 2006-01-05 Richard Henderson <rth@redhat.com>
17416 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17418 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17420 * c-typeck.c: Update copyright date.
17422 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17424 * c-typeck.c (build_c_cast): Always warn when casting
17425 from a pointer to an integer of different size, even if
17426 the node was constant.
17428 2006-01-05 Richard Guenther <rguenther@suse.de>
17430 PR tree-optimization/22555
17431 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17432 if one structure field is an array.
17433 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17434 operands even if we found a subvar, but ignore VOPs in this
17436 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17438 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17440 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17442 PR middle-end/24998
17443 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17445 2006-01-05 Richard Guenther <rguenther@suse.de>
17446 Diego Novillo <dnovillo@redhat.com>
17448 * tree-pass.h (TODO_remove_unused_locals): Define.
17449 * gimple-low.c (expand_var_p, remove_useless_vars,
17450 pass_remove_useless_vars): Remove. Update all users.
17451 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17452 (remove_unused_locals): New function.
17453 * tree-flow.h (remove_unused_locals): Declare.
17454 * passes.c (execute_todo): Call remove_unused_locals if
17455 TODO_remove_unused_locals is set.
17456 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17457 * tree-ssa-dce.c (pass_dce): Likewise.
17458 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17460 2006-01-05 Richard Guenther <rguenther@suse.de>
17462 * tree-flow.h (struct fieldoff): Decompose field to
17463 type, size and decl.
17464 * tree-ssa-alias.c (create_sft): Take type as parameter.
17465 (create_overlap_variables_for): Store type, size and decl
17466 in the fieldoff structure.
17467 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17468 of struct fieldoff.
17469 (push_fields_onto_fieldstack): Likewise.
17470 (create_variable_info_for): Likewise. Use offset for the
17471 SFT name if the decl is not available.
17473 2006-01-04 Paul Brook <paul@codesourcery.com>
17475 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17477 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17479 * lambda-code.c (can_put_in_inner_loop): Relax
17481 (can_put_after_inner_loop): New function.
17482 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17483 (perfect_nestify): Change to make copies and modify uses.
17485 2006-01-04 Richard Henderson <rth@redhat.com>
17487 Merge from gomp branch:
17488 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17489 via integer constant.
17490 (pragma_lex): Remove.
17491 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17492 rather than parsing it.
17493 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17494 handle_pragma_extern_prefix): Add %< %> quotes.
17495 (registered_pragmas): New.
17496 (c_register_pragma_1): New.
17497 (c_register_pragma): Use it.
17498 (c_register_pragma_with_expansion): Likewise.
17499 (c_invoke_pragma_handler): New.
17500 (init_pragma): Use cpp_register_deferred_pragma directly for
17502 * c-pragma.h (enum pragma_kind): New.
17503 (pragma_handler): New.
17504 (c_invoke_pragma_handler): Declare.
17505 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17507 * c-common.h (c_common_pch_pragma): Update decl.
17508 * Makefile.in (c-parser.o): Update dependencies.
17509 (GTFILES): Add c-pragma.h.
17510 * c-parser.c (struct c_token): Add pragma_kind.
17511 (struct c_parser): Add in_pragma.
17512 (c_lex_one_token): Always initialize keyword and pragma_kind.
17513 Extract data for CPP_PRAGMA.
17514 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17515 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17516 Don't allow CPP_PRAGMA_EOL if in_pragma.
17517 (c_parser_consume_pragma): New.
17518 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17519 (c_parser_skip_to_end_of_parameter): Likewise.
17520 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17521 (c_parser_skip_to_pragma_eol): New.
17522 (c_parser_external_declaration): Handle CPP_PRAGMA.
17523 (c_parser_compound_statement_nostart): Likewise.
17524 (c_parser_statement_after_labels): Likewise.
17525 (c_parser_pragma): New.
17526 (pragma_lex): Likewise.
17527 (c_parser_pragma_pch_preprocess): New.
17528 (c_parser_new): Merge into ...
17529 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17531 2006-01-04 Jeff Law <law@redhat.com>
17534 * tree-cfg.c (bsi_replace): Remove the original statement
17535 from the EH throw statement table.
17537 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17539 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17540 make the prototype extern "C" and add throw ().
17543 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17544 and pos non-negative and pos + len <= 32.
17545 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17546 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17547 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17550 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17551 as well as sizes not multiple of component size.
17554 * function.c (instantiate_expr): New function.
17555 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17556 walk its DECL_VALUE_EXPR with instantiate_expr.
17558 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17559 DW_OP_deref{,_size} if address isn't going to be added.
17561 2006-01-04 Ben Elliston <bje@au.ibm.com>
17563 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17564 * config/fp-bit.c: Likewise.
17566 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17568 * dominance.c: Add comment about why we use DFS numbering
17571 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17572 Richard Henderson <rth@redhat.com>
17574 Merge from gomp-branch:
17575 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17576 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17578 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17580 PR rtl-optimization/25578
17581 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17582 pass a parameter to simplify_shift_const if changing ASHIFTRT
17585 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17587 * builtins.c (get_builtin_sync_mem): New function.
17588 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17589 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17590 Call get_builtin_sync_mem to generate mem rtx.
17592 2006-01-03 Richard Guenther <rguenther@suse.de>
17595 * stmt.c (add_case_node): Make sure to clear overflow flags
17598 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17600 Merge from gomp-branch.
17601 * config/sparc/sync.md: New file.
17602 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17603 UNSPECV_LDSTUB): New constants.
17604 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17605 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17606 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17609 2006-01-03 Roger Sayle <roger@eyesopen.com>
17611 * combine.c (reg_subword_p): New predicate to test whether the
17612 destination of a set refers to a subword/piece of a register.
17613 (try_combine): Generalize the code to merge the setting of a
17614 pseudo to a constant followed by a set of a subword of that
17615 register to a constant.
17617 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17619 * basic-block.h (control_flow_graph): Change the type of
17620 x_label_to_block_map to VEC(basic_block,gc) *.
17621 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17622 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17624 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17625 VEC(basic_block,heap) *.
17626 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17627 ssa_prop_fini): Adjust the uses of cfg_blocks.
17629 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17631 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17633 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17634 hashing trees instead of a pointer hash.
17635 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17636 compare for MEM_EXPR.
17638 PR rtl-optimization/25130
17639 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17640 when comparing MEMs for GCSE
17642 2006-01-03 Ben Elliston <bje@au.ibm.com>
17644 * targhooks.h (default_decimal_float_supported_p): Declare.
17645 * targhooks.c (default_decimal_float_supported_p): Define.
17646 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17647 `default_decimal_float_supported_p'.
17648 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17650 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17652 * combine.c (apply_distributive_law <SUBREG>): Check
17653 TRULY_NOOP_TRUNCATION.
17655 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17657 * dwarf2out.c (have_switched_text_section): Delete.
17658 (have_multiple_function_sections): New.
17659 (have_location_lists): Make 'bool'.
17660 (add_AT_loc_list): Use 'true' not '1'.
17661 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17662 (output_loc_list): Use have_multiple_function_sections.
17663 (output_ranges): Likewise.
17664 (dwarf2out_begin_function): Set have_multiple_function_sections if
17666 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17667 Check function_section rather than DECL_SECTION_NAME.
17668 (dwarf2out_finish): Use have_multiple_function_sections.
17669 Don't clear have_location_lists.
17671 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17672 Jan Hubicka <jh@suse.cz>
17674 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17675 case of conditional jump jumping to the next instruction.
17676 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17677 cases of conditional jump jumping to the next instruction.
17679 2006-01-02 Jan Hubicka <jh@suse.cz>
17681 * i386.c (*_cost): Add COSTS_N_INSNS.
17682 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17684 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17687 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17689 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17691 * config/arm/arm.c (all_fpus): Fix comment typo.
17692 * config/darwin.c: Likewise.
17693 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17694 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17695 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17697 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17699 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17700 (rs6000_split_compare_and_swapqhi): New.
17701 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17702 (sync_compare_and_swapqhi_internal): New.
17703 * config/rs6000/rs6000-protos.h: Declare.