1 2006-11-06 Anatoly Sokolov <aesok@post.ru>
3 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
5 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
6 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
7 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
8 which start in an odd register.
10 2006-11-07 Richard Sandiford <richard@codesourcery.com>
12 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
14 2006-11-07 Josh Conner <jconner@apple.com>
16 * doc/invoke.texi (fstrict-aliasing): Move implementation
18 * doc/tree-ssa.texi (Alias analysis): ...here.
20 2006-11-07 Richard Guenther <rguenther@suse.de>
22 PR tree-optimization/29610
23 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
24 of tree_purge_dead_eh_edges as it may free dominators.
26 * g++.dg/other/pr29610.C: New testcase.
28 2006-11-07 David Ung <davidu@mips.com>
30 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
31 costs when optimizing for size.
32 (override_options): Use mips_rtx_cost_optimize_size table for cost
35 2006-11-07 Jie Zhang <jie.zhang@analog.com>
37 * gcc.c (process_command): Treat -b as normal switch if its argument
40 2006-11-07 David Ung <davidu@mips.com>
42 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
45 2006-11-06 Eric Christopher <echristo@apple.com>
47 * config.gcc: Add x86_64-darwin host support.
49 * config/i386/darwin64.h: New file.
50 * config/i386/t-darwin64: Ditto.
52 2006-11-06 Janis Johnson <janis187@us.ibm.com>
54 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
55 and output-exists-not.
57 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
60 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
61 checking for overflow.
63 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
65 * configure.ac: Fixed typo in case statement: :: changed to ;;
67 2006-11-06 Bob Wilson <bob.wilson@acm.org>
69 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
70 count_leading_zeros, and count_trailing_zeros.
71 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
72 (TARGET_FOLD_BUILTIN): Define.
73 (TARGET_EXPAND_BUILTIN): Define.
74 (xtensa_init_builtins): New.
75 (xtensa_fold_builtin): New.
76 (xtensa_expand_builtin): New.
77 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
78 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
79 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
80 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
81 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
82 (any_extend): New code macro.
83 (u, su): New code attributes.
84 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
85 (nsau): Remove; replaced by clzsi2.
87 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
88 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
89 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
90 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
91 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
93 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
95 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
97 * config/arm/t-strongarm-elf: Likewise.
98 * config/arm/t-pe: Likewise.
99 * config/arm/t-arm-elf: Likewise.
100 * config/arm/t-xscale-elf: Likewise.
101 * config/arm/t-arm-coff: Likewise.
102 * config/arm/t-xscale-coff: Likewise.
103 * config/arm/t-wince-pe: Likewise.
105 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
107 * config/sh/lib1funcs-4-300.asm: Guard entire file with
110 2006-11-05 Jakub Jelinek <jakub@redhat.com>
113 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
116 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
119 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
120 as a valid 80387 constant.
121 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
122 * config/i386/i386.md (unnamed splitter): Split the load of
123 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
126 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
128 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
129 from the soft-frame, argument and virtual registers.
131 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
133 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
134 patterns for standard 80387 constants.
136 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
137 Steven Bosscher <steven@gcc.gnu.org>
139 * fwprop.c: New file.
140 * Makefile.in: Add fwprop.o.
141 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
142 * passes.c (init_optimization_passes): Schedule forward propagation.
143 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
145 * timevar.def (TV_FWPROP): New.
146 * common.opt (-fforward-propagate): New.
147 * opts.c (decode_options): Enable forward propagation at -O2.
148 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
149 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
150 canon_for_address, table_size): Remove.
151 (new_basic_block, insert, remove_from_table): Remove references to
153 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
154 simplification loop more straightforward by not calling fold_rtx
156 (equiv_constant): Move here a small part of fold_rtx_subreg,
157 do not call fold_rtx. Call avoid_constant_pool_reference
159 * recog.h (canonicalize_change_group): New.
161 * doc/invoke.texi (Optimization Options): Document fwprop.
162 * doc/passes.texi (RTL passes): Document fwprop.
164 2006-11-03 Geoffrey Keating <geoffk@apple.com>
166 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
167 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
168 (grokdeclarator): Likewise.
170 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
172 * tree-dump.c (dump_enable_all): Rename local variable
173 ir_type to avoid name conflicts.
174 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
175 instead of using ir_type().
176 * profile.c (tree_register_profile_hooks): Likewise.
177 * value-prof.c (tree_register_value_prof_hooks): Likewise.
178 * basic-block.h (struct edge_def): Likewise.
179 * config/arm/arm.c (legitimize_pic_address): Likewise.
180 * coretypes.h (ir_type): New enum of all intermediate languages
182 * cfghooks.c (ir_type): Rename to...
183 (current_ir_type): ...this. Distinguish between cfgrtl and
184 cfglayout mode when the current IR is RTL. Return enum ir_type.
185 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
187 2006-11-03 Paul Brook <paul@codesourcery.com>
189 * config/arm/arm.c (arm_file_start): New function.
190 (TARGET_ASM_FILE_START): Define.
191 (arm_default_cpu): New variable.
192 (arm_override_options): Set arm_default_cpu.
194 2006-11-03 David Ung <davidu@mips.com>
196 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
197 PROCESSOR_24KC and PROCESSOR_24KF.
198 * config/mips/mips.c (mips_cpu_info_table): Add processor names
199 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
200 (mips_rtx_cost_data): Add costs for the 24kc.
201 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
202 * config/mips/24k.md: Remove references to 24k and replace with
203 uses of 24kc/24kf in the appropriate reservations.
204 * doc/invoke.texi (MIPS Options): Updated.
206 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
208 * config/sh/crt1.asm: Fix #ifdef indent.
210 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
211 Merged from STMicroelectronics sources:
212 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
213 * config/sh/crt1.asm (vbr_600): Add missing #if.
214 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
215 * sh.opt (mfused-madd): New option.
216 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
217 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
218 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
219 Remove pointless handler at VBR+0.
220 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
221 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
222 fr7. Make sure the timer handler is called with the correct FPU
223 precision setting, according to the ABI.
224 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
225 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
226 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
227 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
228 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
229 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
230 zero as second operand.
231 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
232 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
233 Fixed some bugs related to negative values, in particular -0
234 and overflow at -0x80000000.
235 * config/sh/divcost-analysis: Added sh4-300 figures.
236 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
237 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
238 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
239 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
240 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
241 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
243 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
245 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
246 SH4-300 scheduling description & fixes to SH4-[12]00 description:
247 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
248 mac_mem, mem_mac, dfp_mul, fp_cmp.
249 (insn_class, dfp_comp, any_fp_comp): Update.
250 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
251 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
252 (muldf3_i): Likewise.
253 (movsi_i): Split rI08 alternative into two separate alternatives.
255 (movsi_ie, movsi_i_lowpart): Likewise.
256 (movqi_i): Split ri alternative into two separate alternatives.
258 * sh1.md (sh1_load_store, sh1_fp): Update.
259 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
260 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
261 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
262 (sh4a_fp_double_arith): Likewise.
263 * sh4-300.md: New file.
264 * sh.c (sh_handle_option): Handle m4-300* options.
265 (sh_adjust_cost): Fix latency of auto-increments.
266 Handle SH4-300 differently than other SH4s. Check for new insn types.
267 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
268 been set by an option.
269 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
270 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
271 (mbranch-cost=): Likewise.
272 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
274 * sh.md (mulsf3): Remove special expansion code.
275 (mulsf3_ie): Now a define_insn_and_split.
276 (macsf3): Allow for TARGET_SH4.
278 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
279 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
280 (expand_cbranchdi4): Likewise.
281 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
282 CONST_DOUBLE if the outer code is COMPARE.
283 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
284 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
285 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
286 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
287 Remove redundant fp_{zero,one}_operand checks.
288 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
289 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
290 (expand_cbranchdi4): Likewise.
291 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
292 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
294 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
296 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
299 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
301 * doc/invoke.texi: Fix mfp-trap-mode typo.
303 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
305 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
306 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
307 file_end_indicate_exec_stack.
308 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
310 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
311 for a non-executable stack.
312 * crti.asm: Likewise.
313 * crtn.asm: Likewise.
314 * libunwind.S: Likewise.
316 2006-11-02 Ben Elliston <bje@au.ibm.com>
318 * tree-ssa.c (warn_uninit): Use expand_location variables for
319 locus and declaration locus.
321 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
324 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
325 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
326 cmp{eq,gt,gtu}{si,di}_media.
327 (*cmpne0si_media): Remove.
328 (*movsicc_umin): Adjust gen_cmp*_media call.
329 (unordered): Change the mode of unordered and operands[1] to
331 (seq): Adjust gen_cmp*_media calls. Make the mode of
332 a temporary result of compare SImode if needed. If the mode
333 of operands[0] is DImode, extend the temporary result to DImode.
334 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
335 (sunorderd): Change the mode of match_operand and unorderd to
337 (cmpeq{sf,df}_media): Remove.
338 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
339 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
340 and compare operation to SImode.
342 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
344 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
346 (sparc64-sun-solaris2*): Likewise.
348 2006-11-02 Paul Brook <paul@codesourcery.com>
350 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
351 from priority argument. Use different section for non-default
353 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
355 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
358 * except.c (switch_to_exception_section): Do not cache the section
359 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
360 and flag_function_sections is set.
362 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
365 * builtins.c (do_mpfr_sincos): New.
366 (fold_builtin_1): Use it to fold builtin sincos.
368 2006-11-01 Roger Sayle <roger@eyesopen.com>
370 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
371 it into -D_REENTRANT.
373 2006-11-01 Roger Sayle <roger@eyesopen.com>
375 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
376 whether the assembler supports taking the difference of symbols in
377 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
378 * configure: Regenerate.
379 * config.in: Regenerate.
380 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
381 the assembler doesn't support taking the difference of symbols in
382 different sections, i.e. we're using the native solaris assembler.
384 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
385 Peter Bergner <bergner@vnet.ibm.com>
387 * doc/invoke.texi: Add cpu_type power6x
388 (RS/6000 and PowerPC Options): Add -mmfpgpr.
389 * config.gcc: Add cpu_type power6x.
390 * configure.ac: Add test for mf{t,f}gpr instructions.
391 (HAVE_AS_MFPGPR): New.
392 * config.in: Regenerate.
393 * configure: Regenerate.
394 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
395 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
396 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
397 and mftgpr attributes.
398 (define_attr "cpu"): Add power6.
399 Change instruction sequences to use new attributes.
400 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
401 (fix_truncdfsi2_mfpgpr): New.
402 (floatsidf_ppc64_mfpgpr): New.
403 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
404 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
405 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
406 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
407 (fix_truncdfsi2): Use gpc_reg_operand constraint.
408 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
409 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
410 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
411 cntlz,exts and var_delayed_compare.
412 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
413 _ARCH_PWR6X, if features enabled.
414 * config/rs6000/rs6000.opt (mmfpgpr): New.
415 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
416 (cached_can_issue_more): New variable.
417 (processor_costs): Add power6_cost.
418 (rs6000_sched_init): New function.
419 (is_dispatch_slot_restricted): Deleted.
420 (set_to_load_agen): New function.
421 (is_load_insn,is_store_insn): New functions.
422 (adjacent_mem_locations): New function.
423 (insn_must_be_first_in_group): New function.
424 (insn_must_be_last_in_group): New function.
425 (rs6000_sched_reorder): New function.
426 (rs6000_sched_reorder2): New function.
427 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
428 TARGET_SCHED_REORDER2): Define.
429 (processor_target_table): Use PROCESSOR_POWER6 for power6.
430 Add power6x. Add MASK_MFPGPR for power6x.
431 (POWERPC_MASKS): Add MASK_MFPGPR.
432 (rs6000_override_options): Set rs6000_always_hint to false
433 for power6. Set rs6000_align_branch_targets. Replace
434 rs6000_sched_groups check with rs6000_align_branch_targets.
435 Use PROCESSOR_POWER6.
436 (last_scheduled_insn): New variable.
437 (load_store_pendulum): New variable.
438 (rs6000_variable_issue): Set last_scheduled_insn and
439 cached_can_issue_more.
440 (rs6000_adjust_cost): Add power6 cost adjustments.
441 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
442 with insn_must_be_first_in_group. Add power6 priority adjustments.
443 (rs6000_issue_rate): Add CPU_POWER6.
444 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
445 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
446 (TARGET_MFPGPR): New.
447 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
448 (ASM_CPU_SPEC): Add power6x.
449 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
451 * config/rs6000/power6.md: New file.
453 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
455 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
456 HOST_WIDE_INT_PRINT to print high and low parts. Use
457 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
458 printing a hexadecimal number prefix it with 0x.
460 2006-11-01 Chris Johns <chris@contemporary.net.au>
463 * Makefile.in (install-driver): Use exeext when installing
464 $target-gcc-$version.
466 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
468 * c-common.c (flag_cpp0x): New.
469 * c-common.h (flag_cpp0x): New.
470 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
471 supported, define __GXX_EXPERIMENTAL_CPP0X__.
472 * c-opts.c (set_std_cxx0x): New.
473 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
474 * c.opt (std=c++0x): Document.
475 (std=gnu++0x): Ditto.
476 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
477 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
479 2006-11-01 Richard Guenther <rguenther@suse.de>
481 * config/i386/i386.c (ix86_expand_rint): Fix issues with
483 (ix86_expand_floorceildf_32): Likewise.
484 (ix86_expand_floorceil): Likewise.
485 (ix86_expand_trunc): Likewise.
487 2006-10-31 Andrew Pinski <pinskia@gmail.com>
489 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
492 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
494 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
496 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
498 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
500 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
501 * configure.ac (use_cxa_atexit): As a special case, don't test
502 for libc definition of __cxa_atexit on mingw32
503 * configure: Regenerate.
504 * config.gcc (i[34567]86-pc-mingw32): Default to
505 enable__cxa_atexit=yes.
507 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
509 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
511 2006-10-31 Geoffrey Keating <geoffk@apple.com>
514 * c-decl.c (start_struct): Don't create self-containing
516 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
518 * config/rs6000/rs6000-protos.h
519 (darwin_rs6000_special_round_type_align): New.
520 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
521 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
523 2006-10-31 Geoffrey Keating <geoffk@apple.com>
525 * toplev.c (compile_file): Call final_write_globals
526 even if there have been errors.
528 2006-10-31 Eric Christopher <echristo@apple.com>
529 Falk Hueffner <falk@debian.org>
531 * doc/extend.texi (__builtin_bswap32): Document.
532 (__builtin_bswap64): Ditto.
533 * doc/libgcc.texi (bswapsi2): Document.
535 * doc/rtl.texi (bswap): Document.
536 * optabs.c (expand_unop): Don't widen a bswap.
537 (init_optabs): Init bswap. Set libfuncs explicitly
538 for bswapsi2 and bswapdi2.
539 * optabs.h (OTI_bswap): New.
540 (bswap_optab): Ditto.
541 * genopinit.c (optabs): Handle bswap_optab.
542 * tree.h (tree_index): Add TI_UINT32_TYPE and
544 (uint32_type_node): New.
545 (uint64_type_node): Ditto.
546 * tree.c (build_common_tree_nodes_2): Initialize
547 uint32_type_node and uint64_type_node.
548 * builtins.c (expand_builtin_bswap): New.
549 (expand_builtin): Call.
550 (fold_builtin_bswap): New.
551 (fold_builtin_1): Call.
552 * fold-const.c (tree_expr_nonnegative_p): Return true
554 * builtin-types.def (BT_UINT32): New.
556 (BT_FN_UINT32_UINT32): Ditto.
557 (BT_FN_UINT64_UINT64): Ditto.
558 * builtins.def (BUILT_IN_BSWAP32): New.
559 (BUILT_IN_BSWAP64): Ditto.
560 * rtl.def (BSWAP): New.
561 * genattrtab.c (check_attr_value): New.
562 * libgcc2.c (__bswapSI2): New.
564 * libgcc2.h (__bswapSI2): Declare.
566 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
567 * simplify-rtx.c (simplify_const_unary_operation): Return
569 * libgcc-std.ver (__bwapsi2): Add.
571 * reload1.c (eliminate_regs_1): Add bswap.
572 (elimination_effects): Ditto.
573 * config/i386/i386.h (x86_bswap): New.
575 * config/i386/i386.c (x86_bswap): Set.
577 2006-10-31 Geoffrey Keating <geoffk@apple.com>
579 * coverage.c (coverage_checksum_string): Update comment.
580 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
581 of get_file_function_name.
582 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
583 of get_file_function_name_long.
584 * tree.c (get_file_function_name): Rename from
585 get_file_function_name_long; improve comment; handle 'I' and 'D'
586 specially when the target has ctor/dtor support; remove special
588 (get_file_function_name): Remove.
589 * tree.h (get_file_function_name): Rename from
590 get_file_function_name_long.
591 (get_file_function_name): Remove prototype.
593 2006-10-31 Geoffrey Keating <geoffk@apple.com>
595 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
596 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
598 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
599 Call dsymutil when compiling and linking one or more source files
602 2006-10-31 Geoffrey Keating <geoffk@apple.com>
605 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
607 2006-10-31 Geoffrey Keating <geoffk@apple.com>
609 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
610 inline static functions in c99 mode.
613 * doc/extend.texi (Inline): Update.
614 * c-tree.h (struct language_function): Remove field 'extern_inline'.
615 * c-decl.c (current_extern_inline): Delete.
616 (pop_scope): Adjust test for an undefined nested function.
617 Add warning about undeclared inline function.
618 (diagnose_mismatched_decls): Update comments. Disallow overriding
619 of inline functions in a translation unit in C99. Allow inline
620 declarations in C99 at any time.
621 (merge_decls): Boolize variables. Handle C99 'extern inline'
623 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
624 C99 inline semantics.
625 (start_function): Don't clear current_extern_inline. Don't set
627 (c_push_function_context): Don't push current_extern_inline.
628 (c_pop_function_context): Don't restore current_extern_inline.
631 * c-typeck.c (build_external_ref): Warn about static variables
632 used in extern inline functions.
633 * c-decl.c (start_decl): Warn about static variables declared
634 in extern inline functions.
636 2006-10-31 Roger Sayle <roger@eyesopen.com>
639 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
640 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
641 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
642 or y is an even integer.
644 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
647 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
648 * gthr-posix95.h (__gthread_active_p): Likewise.
650 2006-10-31 Richard Guenther <rguenther@suse.de>
652 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
653 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
654 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
655 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
656 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
657 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
658 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
659 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
662 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
664 * opts.c (decode_options): Disable CSE skip blocks.
666 2006-10-30 Dirk Mueller <dmueller@suse.de>
668 * c-common.h (strict_aliasing_warning): Fix whitespace.
669 * c-decl (start_function): Move code for main decl warning ..
670 * c-common.c (check_main_parameter_types): .. here.
671 * c-common.h (check_main_parameter_types): Declare.
673 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
676 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
678 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
680 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
681 be a PARALLEL containing sets. Return false when out_pat is not
684 2006-10-30 Richard Sandiford <richard@codesourcery.com>
686 * config/mips/mips.md (mul<mode>3): Split into...
687 (mulsi3, muldi3): ...these separate patterns.
689 2006-10-30 Richard Sandiford <richard@codesourcery.com>
691 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
692 but with each set of options separated by spaces.
694 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
696 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
697 dwarf_reg_size_table has been initialized.
699 2006-10-30 Roger Sayle <roger@eyesopen.com>
701 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
702 * ddg.c (print_ddg_edge): Likewise.
703 * dwarf2out.c (prune_unused_types_walk): Likewise.
704 * ifcvt.c (noce_try_cmove_arith): Likewise.
705 * langhooks.c (add_builtin_function): Likewise.
706 * reg-stack.c (subst_stack_regs_pat): Likewise.
707 * tree.c (expanded_location): Likewise.
708 * tree-dump.c (dequeue_and_dump): Likewise.
710 2006-10-30 David Daney <ddaney@avtrex.com>
712 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
714 2006-10-30 Jakub Jelinek <jakub@redhat.com>
716 PR tree-optimization/29637
717 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
718 of the innertype is the innertype itself.
720 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
722 * dwarf2out.c (file_name_acquire): Correct typo.
724 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
726 * tree.h (tree_value_handle): Remove struct value_set declaration.
727 Change value_set to bitmap_set.
728 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
729 * tree-vn.c (get_value_handle): Made inline and moved to
731 * tree-flow-inline.h: (has_stmt_ann): New function.
732 * tree-ssa-pre.c (expressions): New variable.
733 (next_expression_id): Ditto.
734 (alloc_expression_id): New function.
735 (struct value_set): Remove.
736 (get_expression_id): New function.
737 (get_or_alloc_expression_id): Ditto.
738 (expression_for_id): Ditto.
739 (clear_expression_ids): Ditto.
740 (FOR_EACH_EXPR_ID_IN_SET): New macro.
741 (bb_value_sets): Renamed to bb_bitmap_sets.
742 All value sets replaced with bitmap_sets.
744 (BB_VISITED): New macro.
745 (postorder): New variable.
746 (add_to_value): Removed.
747 (value_exists_in_set_bitmap): Ditto.
748 (value_insert_into_set_bitmap): Ditto.
752 (set_contains_value): Ditto.
753 (insert_into_set): Ditto.
755 (find_leader): Ditto.
756 (bitmap_set_subtract_from_value_set): Ditto.
757 (value_insert_into_set): Ditto.
758 (print_value_set): Ditto.
759 (debug_value_set): Ditto.
760 (constant_expr_p): New function.
761 (bitmap_remove_from_set): Ditto.
762 (bitmap_insert_into_set): Ditto.
763 (bitmap_set_free): Ditto.
765 (sorted_array_from_bitmap_set): Ditto.
766 (bitmap_set_subtract): Ditto.
767 (bitmap_set_equal): Ditto.
768 (debug_bitmap_set): Ditto.
769 (find_leader_in_sets): Ditto.
770 (bitmap_set_replace_value): Modify for bitmapped sets.
771 (phi_translate): Ditto.
772 (phi_translate_set): Ditto.
773 (bitmap_find_leader): Ditto.
774 (valid_in_sets): Ditto.
775 (union_contains_value): Ditto.
777 (compute_antic_aux): Ditto. Mark changed blocks.
778 (compute_antic): Ditto. Iterate in postorder and only over
780 (compute_rvuse_and_antic_safe): Reuse postorder.
781 (create_component_ref_by_pieces): Modify for bitmapped sets.
782 (find_or_generate_expression): Ditto.
783 (create_expression_by_pieces): Ditto.
784 (insert_into_preds_of_block): Ditto.
785 (changed_blocks): New variable.
786 (do_regular_insertion): Broken out from insert_aux.
787 (insert_aux): Modified for bitmapped sets.
788 (find_existing_value_expr): New function.
789 (create_value_expr_from): Use it.
790 (insert_extra_phis): Removed.
791 (print_bitmap_set): Renamed from bitmap_print_value_set.
792 (compute_avail): Handle RETURN_EXPR.
793 (init_pre): Modify for bitmapped sets.
794 * tree-flow.h (has_stmt_ann): New function.
796 2006-10-29 Roger Sayle <roger@eyesopen.com>
798 * builtins.c (fold_builtin_floor): Check for the availability of
799 the C99 trunc function before transforming floor into trunc.
801 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
803 * builtins.c (fold_builtin_hypot): Rearrange recursive
804 transformation before others, and also do ABS_EXPR. When
805 necessary, check flag_unsafe_math_optimizations. When necessary,
808 2006-10-29 Roger Sayle <roger@eyesopen.com>
810 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
811 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
812 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
813 Fold -X eq/ne -Y as X eq/ne Y.
815 2006-10-29 Richard Sandiford <richard@codesourcery.com>
817 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
818 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
819 rather than GENERATE_MULT3_SI in the various define_peephole2s.
820 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
821 Use an inclusive test for "mult" rather than "mul".
822 (rotr<mode>3): Depend on ISA_HAS_ROR.
823 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
825 (GENERATE_MULT3_DI): Delete.
826 (ISA_HAS_64BIT_REGS): Use consistent formatting.
827 (ISA_HAS_MUL3): New macro.
828 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
829 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
830 (ISA_HAS_CLZ_CLO): Likewise.
831 (ISA_HAS_DCLZ_DCLO): Delete.
832 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
833 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
834 the VR4120 and VR4130.
835 (ISA_HAS_MACCHI): Use consistent formatting.
836 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
837 (ISA_HAS_ROR): ...this new macro.
838 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
839 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
840 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
842 2006-10-29 Roger Sayle <roger@eyesopen.com>
844 PR tree-optimization/15458
845 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
848 2006-10-29 Richard Guenther <rguenther@suse.de>
850 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
851 (ix86_expand_truncdf_32): Likewise.
852 * config/i386/i386.c (ix86_expand_trunc): New function expanding
853 trunc inline for SSE math and -fno-trapping-math and if not
855 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
856 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
857 for expanding btrunc inline for SSE math.
859 2006-10-29 Joseph Myers <joseph@codesourcery.com>
861 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
862 Handle tuning for bi-arch i[34567]86-*-linux* like that for
863 i[34567]86-*-solaris2.1[0-9]*.
864 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
865 Define conditionally depending on TARGET_64BIT_DEFAULT.
866 (SPEC_32, SPEC_64): Define.
867 (LINK_SPEC): Use them.
868 * doc/install.texi (--enable-targets=all): Document for x86-linux.
870 2006-10-29 Richard Guenther <rguenther@suse.de>
872 * config/i386/i386-protos.h (ix86_expand_round): Declare.
873 (ix86_expand_rounddf_32): Likewise.
874 * config/i386/i386.c (ix86_expand_round): New function expanding
875 round inline for SSE math and -fno-trapping-math and if not
877 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
878 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
879 round via ix86_expand_round.
881 2006-10-29 Richard Guenther <rguenther@suse.de>
883 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
884 (ix86_expand_floorceildf_32): Likewise.
885 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
886 static helper function.
887 (ix86_expand_floorceil): Expander for floor and ceil to SSE
889 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
890 * config/i386/i386.md (floordf2): Adjust to enable floor
891 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
892 -fno-trapping-math is enabled and if not optimizing for size.
893 (floorsf2, ceildf2, ceilsf2): Likewise.
894 * config/i386/sse.md (sse_maskcmpsf3): New insn.
895 (sse2_maskcmpdf3): Likewise.
897 2006-10-29 Richard Guenther <rguenther@suse.de>
899 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
900 rint in case -fno-trapping-math is enabled.
901 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
902 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
903 (ix86_expand_sse_fabs): Likewise.
904 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
905 * config/i386/i386.md (rintdf2): Enable for SSE math if
906 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
909 2006-10-29 Richard Guenther <rguenther@suse.de>
911 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
912 to conversion optabs.
913 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
915 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
916 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
917 (lfloor_optab, lceil_optab): Adjust defines.
918 * builtins.c (expand_builtin_int_roundingfn): Adjust for
919 lfloor and lceil optabs now being conversion optabs.
920 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
921 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
922 New static helper function.
923 (ix86_expand_lfloorceil): New function to expand lfloor and
925 * config/i386/i386.md (lfloor<mode>2): Split into ...
926 (lfloorxf<mode>2): ... x87 variant
927 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
928 using ix86_expand_lfloorceil.
929 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
931 * doc/md.texi (lfloorMN, lceilMN): Document.
933 2006-10-29 Richard Sandiford <richard@codesourcery.com>
935 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
936 -mno-shared assembler option on mips targets.
937 * configure, config.in: Regenerate.
938 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
939 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
940 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
942 2006-10-29 Richard Sandiford <richard@codesourcery.com>
944 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
945 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
947 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
949 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
950 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
953 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
956 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
957 (fold_builtin_pow): Evaluate constant arguments at compile-time
959 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
960 (do_mpfr_ckconv): New helper function.
961 (do_mpfr_arg1): Use do_mpfr_ckconv.
964 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
967 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
968 (-fdump-rtl-sched): Rename to ..
969 (-fdump-rtl-sched1): here. Also fix file extension number.
971 2006-10-28 Richard Guenther <rguenther@suse.de>
973 * fold-const.c (maybe_canonicalize_comparison): Fix code
976 2006-10-28 Uros Bizjak <uros@kss-loka.si>
978 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
979 (NON_QI_REG_P): Use IN_RANGE.
980 (REX_INT_REGNO_P): Use IN_RANGE.
981 (FP_REGNO_P): Use IN_RANGE.
982 (SSE_REGNO_P): Use IN_RANGE.
983 (REX_SSE_REGNO_P): Use IN_RANGE.
984 (MMX_REGNO_P): Use IN_RANGE.
985 (STACK_REGNO_P): New macro.
986 (STACK_REG_P): Use STACK_REGNO_P.
987 (NON_STACK_REG_P): Use STACK_REGNO_P.
988 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
989 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
990 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
991 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
992 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
994 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
996 * except.h (output_function_exception_table): Add 'const char*' param.
997 * except.c (switch_to_exception_section): Add 'const char*' param.
998 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
999 and flag_function_sections is set, use a function-specific section.
1000 (output_function_exception_table): Add 'const char*' param.
1001 Adjust call to switch_to_exception_section.
1002 * final.c (rest_of_handle_final): Adjust calls to
1003 output_function_exception_table.
1004 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
1005 * config.in: Regenerate.
1006 * configure: Likewise.
1008 2006-10-28 Richard Guenther <rguenther@suse.de>
1011 * fold-const.c (maybe_canonicalize_comparison_1): Helper
1012 for maybe_canonicalize_comparison.
1013 (maybe_canonicalize_comparison): New function for canonicalizing
1015 (fold_comparison): Call it to canonicalize comparisons with
1018 2006-10-28 Richard Guenther <rguenther@suse.de>
1021 * builtins.c (expand_builtin_int_roundingfn_2): Expand
1022 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
1023 (expand_builtin): Adjust likewise.
1024 * genopinit.c (optabs[]): Add lround optab.
1025 * optabs.c (init_optabs): Initialize lround_optab.
1026 * optabs.h (enum convert_optab_index): Add COI_lround.
1027 (lround_optab): Define.
1028 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1029 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1031 (ix86_expand_lround): New function.
1032 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1034 * doc/md.texi (lroundMN2): Document.
1036 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1039 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1040 argument to HOST_WIDE_INT. Update function prototype.
1041 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1042 "size" argument to HOST_WIDE_INT. Update function prototype.
1044 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1046 * config/i386/i386.c (output_387_ffreep): Create output from a
1047 template string for !HAVE_AS_IX86_FFREEP.
1049 2006-10-27 Eric Christopher <echristo@apple.com>
1051 * config/darwin.c: Fix formatting and grammar.
1053 2006-10-27 Jan Hubicka <jh@suse.cz>
1055 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1056 to be thrown away soon when IGNORE is set.
1057 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1058 indicating when return value shall not be computed.
1059 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1061 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1063 * config/i386/i386.h (TARGET_GEODE):
1064 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1065 (TARGET_CPU_DEFAULT_geode): New macro.
1066 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1067 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1068 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1069 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1070 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1072 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1073 (processor_type): Add PROCESSOR_GEODE.
1075 * config/i386/i386.md: Include geode.md.
1078 * config/i386/i386.c (geode_cost): New initialized global
1080 (m_GEODE, m_K6_GEODE): New macros.
1081 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1082 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1083 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1084 x86_schedule): Use m_K6_GEODE instead of m_K6.
1085 (x86_movx, x86_cmove): Set up m_GEODE.
1086 (x86_integer_DFmode_moves): Clear m_GEODE.
1087 (processor_target_table): Add entry for geode.
1088 (processor_alias_table): Ditto.
1090 * config/i386/geode.md: New file.
1092 * doc/invoke.texi: Add entry about geode processor.
1094 2006-10-27 Mike Stump <mrs@apple.com>
1096 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1097 __DYNAMIC__ from here back to ...
1098 * config/darwin.h (CPP_SPEC): ... here.
1100 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1101 Nathan Sidwell <nathan@codesourcery.com>
1103 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1104 when choosing the minimum heapsize.
1106 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1108 * gcc/unwind-dw2.h: Move cfa-related variables into
1109 struct frame_state_reg_info to ensure that the CFA is properly
1110 handled when executing DW_CFA_{remember,restore}_state.
1111 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1112 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1113 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1114 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1115 gcc/config/rs6000/linux-unwind.h,
1116 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1117 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1118 Modify to use new cfa_* fields.
1120 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1122 * config/s390/s390.c (s390_init_frame_layout): Check positive
1125 2006-10-26 Ben Elliston <bje@au.ibm.com>
1127 * gimplify.c (get_name): Remove extraneous break.
1128 (gimplify_omp_for): Initialise ret with GS_OK.
1130 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1132 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1133 Add unix98.o to link line.
1135 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1138 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1139 Calculate compile-time constants using MPFR.
1140 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1141 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1143 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1145 * config/xtensa/lib2funcs.S: Use C-style comments.
1147 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1149 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1150 (file_table_relative_p): Likewise.
1151 (dwarf2out_finish): Likewise.
1152 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1154 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1156 * tree-ssa-structalias.c (intra_create_variable_infos):
1157 Don't recreate nonlocal_all if it already exists.
1159 2006-10-25 Richard Guenther <rguenther@suse.de>
1162 * optabs.h (enum optab_index): Remove OTI_lrint.
1163 (enum convert_optab_index): Add COI_lrint.
1164 (lrint_optab): Adjust.
1165 (expand_sfix_optab): Declare.
1166 * optabs.c (expand_sfix_optab): New function.
1167 (init_optabs): Init lrint_optab as conversion optab.
1168 * genopinit.c (lrint_optab): Change to a conversion optab.
1169 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1170 expansion via conversion optab.
1171 * config/i386/i386.md (*fistdi2_1): Remove
1172 flag_unsafe_math_optimizations guard.
1173 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1174 fist<mode>2_with_temp): Likewise.
1175 (lrint<mode>2): Split into...
1176 (lrintxf<mode>2): ... x87 part
1177 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1178 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1179 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1180 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1181 * doc/md.texi (lrintMN2): Document.
1183 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1186 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1187 Use inc and dec instructions for TARGET_USE_INCDEC.
1188 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1189 ("sync_double_compare_and_swap<mode>"): Likewise.
1190 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1191 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1192 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1193 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1194 ("sync_old_add<mode>"): Likewise.
1195 ("sync_lock_test_and_set<mode>"): Likewise.
1196 ("sync_lock_test_and_set<mode>"): Likewise.
1197 ("sync_add<mode>"): Likewise.
1198 ("sync_sub<mode>"): Likewise.
1199 ("sync_ior<mode>"): Likewise.
1200 ("sync_and<mode>"): Likewise.
1201 ("sync_xor<mode>"): Likewise.
1203 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1205 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1206 (remainder_optab): Define corresponding macro.
1207 (drem_optab): Remove.
1208 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1209 drem_optab initialization.
1210 * genopinit.c (optabs): Implement remainder_optab using
1211 remainder?f3 patterns. Remove drem_optab.
1212 * builtins.c (expand_builtin_mathfn_2): Handle
1213 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1214 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1215 expand_builtin_mathfn_2.
1217 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1218 depend on flag_unsafe_math_optimizations.
1220 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1221 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1222 Do not depend on flag_unsafe_math_optimizations. Use
1223 truncxf?f expander instead of truncxf?f_i387_noop.
1225 ("fpremxf4", "fprem1xf4"): Do not depend on
1226 flag_unsafe_math_optimizations.
1227 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1228 flag_unsafe_math_optimizations. Use truncxf?f expander
1229 instead of truncxf?f_i387_noop.
1231 * doc/md.texi (fmod, remainder): Document standard named pattern.
1233 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1234 David Daney <ddaney@avtrex.com>
1237 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1239 2006-10-25 Ben Elliston <bje@au.ibm.com>
1241 * doc/extend.texi (Variable Attributes): Typo fix.
1243 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1245 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1246 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1247 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1248 (FRAME_POINTER_REGNUM): Update register number to 21.
1249 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1250 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1252 * config/i386/i386.c (regclass_map): Add fpcr entry.
1253 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1255 (print_reg): Assert REGNO (x) != FPCR_REG.
1257 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1258 (DIRFLAG_REG): Renumber.
1259 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1260 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1261 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1262 hardcoded SSE register numbers.
1264 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1265 hardcoded MMX register numbers.
1267 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1270 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1271 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1273 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1274 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1275 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1276 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1278 2006-10-24 Richard Guenther <rguenther@suse.de>
1281 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1282 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1283 for deciding optimizations in consistency with fold-const.c
1284 (fold_builtin_unordered_cmp): Likewise.
1286 2006-10-24 Richard Guenther <rguenther@suse.de>
1288 * builtins.c (fold_builtin_floor): Fold floor (x) where
1289 x is nonnegative to trunc (x).
1290 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1291 nonnegative to FIX_TRUNC_EXPR.
1293 2006-10-24 Richard Guenther <rguenther@suse.de>
1295 PR tree-optimization/29567
1296 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1297 for TRUTH_NOT_EXPR. Clarify comments.
1299 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1302 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1303 at compile-time using MPFR. Change parameter VALUE to FUNC,
1305 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1306 for overflow and underflow at all times and avoid folding in
1309 2006-10-24 Ben Elliston <bje@au.ibm.com>
1311 * reload1.c: Formatting fixes.
1313 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1315 PR tree-optimization/14784
1316 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1317 * tree-ssa-structalias.c (get_constraint_for,
1318 intra_create_variable_infos): Set is_heapvar.
1319 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1320 non-heapvar pointer variables specially.
1322 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1325 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1326 fold_builtin_tan): Fold all constant arguments. Take a "type"
1327 argument as necessary.
1328 (do_mpfr_arg1): New.
1329 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1331 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1333 * config/xtensa/lib1funcs.asm: Use C-style comments.
1335 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1337 * tree.c (local_define_builtin): Replace calls to
1338 lang_hooks.builtin_function with add_builtin_function.
1339 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1341 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1343 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1344 common code to add_builtin_function.
1345 * langhooks.c (add_builtin_function): New function.
1346 (lhd_builtin_function): New function.
1347 * langhooks.h (struct lang_hooks): Change the signature of
1349 (add_builtin_function): New function.
1350 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1351 calls to lang_hooks.builtin_function with add_builtin_function.
1352 * c-common.c (decl_builtin_1): Replace calls to
1353 lang_hooks.builtin_function with add_builtin_function.
1354 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1355 lang_hooks.builtin_function with add_builtin_function.
1356 * config/frv/frv.c (def_builtin): Replace calls to
1357 lang_hooks.builtin_function with add_builtin_function.
1358 * config/s390/s390.c (s390_init_builtins): Replace calls to
1359 lang_hooks.builtin_function with add_builtin_function.
1360 * config/sparc/sparc.c (def_builtin): Replace calls to
1361 lang_hooks.builtin_function with add_builtin_function.
1362 * config/i386/i386.c (def_builtin): Replace calls to
1363 lang_hooks.builtin_function with add_builtin_function.
1364 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1365 lang_hooks.builtin_function with add_builtin_function.
1366 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1367 lang_hooks.builtin_function with add_builtin_function.
1368 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1369 Replace calls to lang_hooks.builtin_function with
1370 add_builtin_function.
1371 * config/iq2000/iq2000.c (def_builtin):
1372 Replace calls to lang_hooks.builtin_function with
1373 add_builtin_function.
1374 * config/ia64/ia64.c (def_builtin): Replace calls to
1375 lang_hooks.builtin_function with add_builtin_function.
1376 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1377 lang_hooks.builtin_function with add_builtin_function.
1378 (altivec_init_builtins): Replace calls to
1379 lang_hooks.builtin_function with add_builtin_function.
1380 * config/arm/arm.c (def_mbuiltin): Replace calls to
1381 lang_hooks.builtin_function with add_builtin_function.
1382 (arm_init_tls_builtins): Replace calls to
1383 lang_hooks.builtin_function with add_builtin_function.
1384 * config/mips/mips.c (mips_init_builtins): Replace calls to
1385 lang_hooks.builtin_function with add_builtin_function.
1386 * config/bfin/bfin.c (def_builtin): Replace calls to
1387 lang_hooks.builtin_function with add_builtin_function.
1388 * langhooks-def.h (lhd_builtin_function): New function.
1389 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1391 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1393 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1394 BUILT_IN_STRNCAT_CHK.
1396 2006-10-23 Jan Hubicka <jh@suse.cz>
1398 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1399 don't do conversion from memmove to memcpy here.
1400 (expand_builtin_bcopy, expand_builtin): Update call of
1401 expand_builtin_memmove.
1402 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1404 2006-10-23 Paul Brook <paul@codesourcery.com>
1406 * stor-layout.c (start_record_layout): maximum_field_alignment
1407 overrides STRUCTURE_SIZE_BOUNDARY.
1409 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1411 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1412 nonlocal function symbols if flag_pic.
1414 2006-10-23 Richard Guenther <rguenther@suse.de>
1418 * builtins.c (fold_binary): Remove checks for flag_wrapv
1419 and flag_trapv where negate_expr_p covers these cases.
1421 2006-10-23 Richard Guenther <rguenther@suse.de>
1424 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1425 of two on the absolute value.
1426 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1427 and negating -C does not overflow.
1429 2006-10-23 Richard Guenther <rguenther@suse.de>
1432 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1433 only if not flag_rounding_math.
1435 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1436 Kaz Kojima <kkojima@gcc.gnu.org>
1439 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1440 SImode memory reference for the source of a movua.
1441 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1442 (movua): Use an unspec instead of sign_extract. Expect the source
1443 to have mode BLKmode.
1444 (extv, insv): Use a BLKmode rather than SImode memory reference
1445 for the source of a movua.
1447 2006-10-22 Jeff Law <law@redhat.com>
1448 Richard Guenther <rguenther@suse.de>
1450 PR tree-optimization/15911
1451 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1452 (register_edge_assert_for_1): Likewise.
1453 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1454 (find_conditional_asserts): Adjust for new function signature.
1455 (find_assert_locations): Likewise.
1457 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1459 * config/i386/tmmintrin.h: Remove the duplicated content.
1461 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1463 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1464 (x86_64-*-*): Likewise.
1466 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1467 (override_options): Check SSSE3.
1468 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1469 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1470 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1471 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1472 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1473 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1474 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1475 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1476 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1477 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1478 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1479 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1480 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1481 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1482 IX86_BUILTIN_PABSD128.
1483 (bdesc_2arg): Add SSSE3.
1484 (bdesc_1arg): Likewise.
1485 (ix86_init_mmx_sse_builtins): Support SSSE3.
1486 (ix86_expand_builtin): Likewise.
1487 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1489 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1490 (UNSPEC_PSIGN): Likewise.
1491 (UNSPEC_PALIGNR): Likewise.
1492 Include mmx.md before sse.md.
1494 * config/i386/i386.opt: Add -mssse3.
1496 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1497 (ssse3_phaddwv4hi3): Likewise.
1498 (ssse3_phadddv4si3): Likewise.
1499 (ssse3_phadddv2si3): Likewise.
1500 (ssse3_phaddswv8hi3): Likewise.
1501 (ssse3_phaddswv4hi3): Likewise.
1502 (ssse3_phsubwv8hi3): Likewise.
1503 (ssse3_phsubwv4hi3): Likewise.
1504 (ssse3_phsubdv4si3): Likewise.
1505 (ssse3_phsubdv2si3): Likewise.
1506 (ssse3_phsubswv8hi3): Likewise.
1507 (ssse3_phsubswv4hi3): Likewise.
1508 (ssse3_pmaddubswv8hi3): Likewise.
1509 (ssse3_pmaddubswv4hi3): Likewise.
1510 (ssse3_pmulhrswv8hi3): Likewise.
1511 (ssse3_pmulhrswv4hi3): Likewise.
1512 (ssse3_pshufbv16qi3): Likewise.
1513 (ssse3_pshufbv8qi3): Likewise.
1514 (ssse3_psign<mode>3): Likewise.
1515 (ssse3_psign<mode>3): Likewise.
1516 (ssse3_palignrti): Likewise.
1517 (ssse3_palignrdi): Likewise.
1518 (abs<mode>2): Likewise.
1519 (abs<mode>2): Likewise.
1521 * config/i386/tmmintrin.h: New file.
1523 * doc/extend.texi: Document SSSE3 built-in functions.
1525 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1527 2006-10-22 Ira Rosen <irar@il.ibm.com>
1529 * tree-vect-transform.c (vectorizable_load): Use the type of the
1530 return value of the mask_for_load builtin to create realign_load
1533 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1535 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1538 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1540 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1541 (UNSPEC_LDDQU): This.
1542 * config/i386/sse.md (sse3_lddqu): Updated.
1544 2006-10-21 Richard Guenther <rguenther@suse.de>
1546 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1547 (expand_builtin): Use it to expand lrint instead of
1548 expand_builtin_mathfn.
1550 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1553 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1554 flag_unsafe_math_optimizations is set.
1556 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1559 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1560 patterns to use memory input operand in x87->mem->XMM
1561 reload sequences. Skip transformation for TARGET_K8.
1563 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1565 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1566 force operand1 to register if both operands are memory operands.
1567 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1568 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1569 if both operands are memory operands.
1570 (truncdfsf2): Do not force operand1 to register if both operands
1571 are memory operands.
1573 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1575 * Makefile.in (LIBS): Add $(GMPLIBS).
1576 * doc/install.texi: Update GMP and MPFR requirements.
1577 * doc/sourcebuild.texi (need_gmp): Delete.
1579 2006-10-21 Richard Guenther <rguenther@suse.de>
1581 PR tree-optimization/3511
1582 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1583 got new invariant arguments during PHI translation.
1585 2006-10-21 Richard Guenther <rguenther@suse.de>
1588 * fold-const.c (fold_comparison): Fold signed comparisons
1589 of the form X +- C1 CMP Y +- C2.
1591 2006-10-21 Richard Guenther <rguenther@suse.de>
1594 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1595 if flag_unsafe_math_optimizations is specified. We have
1596 flag_finite_math_only for that.
1597 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1598 or flag_unsafe_math_optimizations.
1600 2006-10-21 Richard Guenther <rguenther@suse.de>
1602 * builtins.c (fold_builtin_classify): Fix typo.
1604 2006-10-21 Richard Guenther <rguenther@suse.de>
1607 * simplify-rtx.c (simplify_const_relational_operation):
1608 Do not constant-fold ORDERED and UNORDERED for
1609 flag_unsafe_math_optimizations but only we do not need to
1610 honor NaNs for the given mode.
1612 2006-10-21 Richard Guenther <rguenther@suse.de>
1615 * config/i386/i386.c (classify_argument): Remove redundant
1616 walking of the BINFOs.
1617 (contains_128bit_aligned_vector_p): Likewise.
1619 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1621 * BASE-VER: Set to 4.3.0.
1623 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1625 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1626 (tree_decl_with_vis): Remove artificial_pta_var flag.
1627 * tree-flow.h (referenced_var_check_and_insert): Expose.
1628 (nonlocal_all): New prototype.
1629 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1630 (nonlocal_all): Make global.
1631 (nonlocal_lookup): Remove.
1632 (nonlocal_insert): Ditto.
1633 (create_nonlocal_var): Do not call nonlocal_insert.
1634 (get_nonlocal_id_for_type): Remove.
1635 (find_global_initializers): Mark new vars we find for renaming.
1636 (intra_create_variable_infos): Only create one nonlocal.
1637 (expand_nonlocal_solutions): Remove.
1638 (compute_points_to_sets): Don't call it.
1639 (ipa_pta_execute): Ditto.
1640 (init_alias_heapvars): Don't create nonlocal_for_type.
1641 (delete_alias_heapvars): Don't remove it.
1642 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1645 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1647 * doc/install.texi (Downloading GCC): Clarify mention of
1648 Fortran in the "full distribution" description.
1650 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1652 Fix PR tree-optimization/28778
1653 Fix PR tree-optimization/29156
1654 Fix PR tree-optimization/29415
1655 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1656 (tree_decl_with_vis): Add artificial_pta_var flag.
1657 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1658 pushed into callers.
1659 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1660 (nonlocal_all): Ditto.
1661 (struct variable_info): Add directly_dereferenced member.
1662 (var_escaped_vars): New variable.
1663 (escaped_vars_tree): Ditto.
1664 (escaped_vars_id): Ditto.
1665 (nonlocal_vars_id): Ditto.
1666 (new_var_info): Set directly_dereferenced.
1667 (graph_size): New variable
1668 (build_constraint_graph): Use graph_size.
1669 (solve_graph): Don't process constraints that cannot change the
1670 solution, don't try to propagate an empty solution to our
1672 (process_constraint): Set directly_dereferenced.
1673 (could_have_pointers): New function.
1674 (get_constraint_for_component_ref): Don't process STRING_CST.
1675 (nonlocal_lookup): New function.
1676 (nonlocal_insert): Ditto.
1677 (create_nonlocal_var): Ditto.
1678 (get_nonlocal_id_for_type): Ditto.
1679 (get_constraint_for): Allow results vector to be empty in the case
1680 of string constants.
1681 Handle results of calls properly.
1682 (update_alias_info): Update alias info stats on number and type of
1684 (find_func_aliases): Use could_have_pointers.
1685 (make_constraint_from_escaped): Renamed from
1686 make_constraint_to_anything, and changed to make constraints from
1688 (make_constraint_to_escaped): New function.
1689 (find_global_initializers): Ditto.
1690 (create_variable_info_for): Make constraint from escaped to any
1691 global variable, and from any global variable to the set of
1693 (intra_create_variable_infos): Deal with escaped instead of
1694 pointing to anything.
1695 (set_uids_in_ptset): Do type pruning on directly dereferenced
1697 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1698 (init_base_vars): Fix comment, and initialize escaped_vars.
1699 (need_to_solve): Removed.
1700 (find_escape_constraints): New function.
1701 (expand_nonlocal_solutions): Ditto.
1702 (compute_points_to_sets): Call find_escape_constraints and
1703 expand_nonlocal_solutions.
1704 (delete_points_to_sets): Don't fall off the end of the graph.
1705 (init_alias_heapvars): Initialize nonlocal_for_type and
1707 (delete_alias_heapvars): Free nonlocal_for_type and null out
1710 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1712 * fold-const.c (add_double): Rename to add_double_with_sign.
1713 Add 'unsigned_p' parameter and take it into account for the overflow.
1714 (mul_double): Rename to mul_double_with_sign.
1715 Add 'unsigned_p' parameter and take it into account for the overflow.
1716 (fold_div_compare): Call add_double_with_sign instead of add_double
1717 and mul_double_with_sign instead of mul_double, passing them the
1718 unsignedness of the type.
1719 * tree.h (add_double): Macroize.
1720 (add_double_with_sign): New prototype.
1721 (mul_double): Macroize.
1722 (mul_double_with_sign): New prototype.
1724 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1726 * config/score/crti.asm: New file.
1727 * config/score/crtn.asm: New file.
1728 * config/score/elf.h: New file.
1729 * config/score/mac.md: New file.
1730 * config/score/misc.md: New file.
1731 * config/score/mul-div.S: New file.
1732 * config/score/predicates.md: New file.
1733 * config/score/score7.md: New file.
1734 * config/score/score.c: New file.
1735 * config/score/score-conv.h: New file.
1736 * config/score/score.h: New file.
1737 * config/score/score.md: New file.
1738 * config/score/score-mdaux.c: New file.
1739 * config/score/score-mdaux.h: New file.
1740 * config/score/score-modes.def: New file.
1741 * config/score/score.opt: New file.
1742 * config/score/score-protos.h: New file.
1743 * config/score/score-version.h: New file.
1744 * config/score/t-score-elf: New file.
1745 * config.gcc: Add score*-*-* configurations(Update before).
1746 * doc/invoke.texi (Score Options): New section.
1747 * doc/md.texi (Score family): New section to document constraints.
1749 2006-10-19 Nick Clifton <nickc@redhat.com>
1751 * config/arm/arm.c: Fix spelling typo.
1753 2006-10-18 Tom Tromey <tromey@redhat.com>
1755 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1757 2006-10-18 Jan Hubicka <jh@suse.cz>
1760 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1763 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1765 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1766 TSI_SAME_STMT, since that's the desired entity.
1768 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1770 * config/s390/contraints.md: New file.
1771 * config/s390/s390-protos.h (s390_mem_constraint,
1772 s390_O_constraint_str, s390_N_constraint_str,
1773 s390_float_const_zero_p): Function prototypes added.
1774 * config/s390/s390.c (s390_extra_constraint_str,
1775 s390_const_double_ok_for_constraint_p,
1776 s390_const_ok_for_constraint_p): Functions removed.
1777 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1778 s390_float_const_zero_p): New functions.
1779 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1780 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1781 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1782 Macro definitions removed.
1783 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1784 s390_extra_constraint_str): Functions removed.
1786 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1787 Richard Sandiford <richard@codesourcery.com>
1790 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1791 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1793 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1795 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1796 (DWARF2_FRAME_REG_OUT): Likewise.
1797 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1798 (DWARF2_FRAME_REG_OUT): Likewise.
1800 2006-10-17 Paul Brook <paul@codesourcery.com>
1802 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1804 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1806 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1807 Standardize on "GNU Fortran" as the official name of the Fortran
1810 2006-10-16 Mike Stump <mrs@apple.com>
1812 * doc/invoke.texi (Darwin Options): Document -mkernel.
1813 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1815 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1816 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1817 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1818 (OS_MISSING_ALTIVEC): Add.
1819 * config/i386/i386.c (override_options): Add
1820 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1821 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1822 -mkernel, -static or -mdynamic-no-pic is given.
1823 (C_COMMON_OVERRIDE_OPTIONS): Add.
1824 * config/darwin.opt (fapple-kext): Add.
1826 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1827 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1829 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1830 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1831 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1832 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1833 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1834 (flag_mkernel): Add.
1835 (flag_apple_kext): Add.
1836 (TARGET_KEXTABI): Add.
1837 * config/darwin.c (darwin_handle_kext_attribute): Add.
1838 (DARWIN_VTABLE_P): Add.
1839 (darwin_binds_local_p): Add partial support for rebinding vtables
1841 (darwin_kextabi_p): Add.
1842 (darwin_override_options): Add.
1843 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1844 (darwin_kextabi_p): Add.
1845 (darwin_override_options): Add.
1846 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1847 __DYNAMIC__ and __STATIC__ here.
1849 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1851 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1852 Added mention of "make pdf" target, and Texinfo requirements for
1855 2006-10-16 DJ Delorie <dj@redhat.com>
1857 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1858 into the GOT in case we need a subreg of the address.
1860 2006-10-16 Richard Guenther <rguenther@suse.de>
1863 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1864 SSE builtin documentation. Document SSE2 builtins.
1866 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1868 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1869 symbol in the output file for non-shared links when -nostdlib or
1870 -nodefaultlibs isn't specified.
1872 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1873 posix thread support.
1875 2006-10-15 Jan Hubicka <jh@suse.cz>
1878 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1879 declared always_inline even when not inlining.
1881 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1882 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1883 Andrew Pinski <pinskia@gmail.com>
1886 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1888 2006-10-15 Jan Hubicka <jh@suse.cz>
1889 Richard Guenther <rguenther@suse.de>
1892 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1893 process_function_and_variable_attributes on all variables, including
1894 those discovered during cgraph construction phase.
1896 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1898 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1900 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1902 * config/i386/athlon.md (athlon_fist): Add fisttp.
1904 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1905 Ian Lance Taylor <ian@airs.com>
1908 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1909 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1912 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1914 * config/score/score.c, config/score/score.h: Fix comment
1917 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1920 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1923 2006-10-13 Eric Christopher <echristo@apple.com>
1925 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1927 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1930 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1931 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1932 alignment supported by 32-bit ELF.
1934 2006-10-13 Eric Christopher <echristo@apple.com>
1936 * config/darwin.c (darwin_emit_unwind_label): Strip
1937 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1939 2006-10-13 Richard Guenther <rguenther@suse.de>
1941 PR tree-optimization/29446
1942 * tree-vrp.c (fix_equivalence_set): Remove.
1943 (extract_range_from_assert): Do not call fix_equivalence_set.
1944 (debug_value_range): Print a newline.
1945 (compare_name_with_value): For equivalence sets with
1946 inconsistent value ranges conservatively bail out.
1947 (compare_names): Likewise.
1949 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1951 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1952 and MPFR for gfortran.
1954 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1956 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1957 alignment supported by 32-bit ELF.
1959 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1963 * c-typeck.c (digest_init): Always allow initializing vectors
1964 that have static storage duration with compound literals.
1965 * tree.c (build_type_attribute_qual_variant): New, based on
1966 build_type_attribute_variant.
1967 (build_type_attribute_variant): Rewrite using the former.
1968 (make_vector_type): Use build_type_attribute_qual_variant to build
1969 type variants. Use type_hash_canon on the others.
1971 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1972 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1974 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1976 2006-10-12 Jan Hubicka <jh@suse.cz>
1979 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1980 current_function_decl is set but current_function_scope is not.
1982 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1984 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1985 emit_insn to emit eh_return_internal instruction.
1986 (eh_return_internal): Explicitly set pc.
1988 2006-10-11 Richard Guenther <rguenther@suse.de>
1990 PR tree-optimization/28230
1991 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1992 to the correct place.
1994 2006-10-11 Richard Guenther <rguenther@suse.de>
1997 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
2000 2006-10-10 Brooks Moses <bmoses@stanford.edu>
2002 * configure.ac: Added pdf to "Make-hooks"
2003 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
2004 targets and *.pdf file patterns in cleanup targets.
2005 * configure: Regenerated.
2007 2006-10-10 Anatoly Sokolov <aesok@post.ru>
2009 * config/avr/predicates.md: New file.
2010 * config/avr/avr.md: Include it.
2011 (REG_SP): New constant.
2012 (peepholes): Use predicates.
2013 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
2014 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
2015 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
2017 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
2019 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
2022 2006-10-10 Jakub Jelinek <jakub@redhat.com>
2025 * builtins.c (var_decl_component_p): New function.
2026 (fold_builtin_memset, fold_builtin_memory_op): Restrict
2027 single entry optimization to variables and components thereof.
2029 2006-10-10 Richard Guenther <rguenther@suse.de>
2031 PR rtl-optimization/29323
2032 * except.c (set_nothrow_function_flags): For functions
2033 that do not bind local bail out early.
2035 2006-10-10 Ben Elliston <bje@au.ibm.com>
2037 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2040 2006-10-09 Richard Henderson <rth@redhat.com>
2042 Revert emutls patch.
2044 2006-10-09 Richard Guenther <rguenther@suse.de>
2047 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2050 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2053 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2054 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2055 * configure: Regenerate.
2056 * config.in: Regenerate.
2058 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2060 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2062 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2064 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2065 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2066 Remove stray newline.
2068 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2070 * config/mips/mips.c (mips_classify_symbol): Do not return
2071 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2072 (mips_in_small_data_p): Tweak comments.
2074 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2076 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2078 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2080 * gimplify.c, sched-int.h: Fix comment typos.
2082 * sched-int.h: Fix comment typos.
2084 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2086 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2088 * sched-ebb.c (begin_schedule_ready): Use them.
2089 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2090 add_to_speculative_block, create_check_block_twin, speculate_insn,
2091 fix_jump_move, move_block_after_check): Ditto.
2092 * sched-rgn.c (new_ready): Ditto.
2094 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2096 PR rtl-optimization/29128
2097 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2098 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2099 allow interblock movement of speculation checks.
2101 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2104 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2105 casted to integer type.
2106 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2107 if they are significantly more expensive than [reg + index] ones.
2109 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2111 PR tree-optimization/29330
2112 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2113 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2114 on newly allocated ddrs.
2115 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2116 to VEC (loop_p, heap) pointer.
2117 (compute_data_dependences_for_loop): Adjust caller.
2118 (free_dependence_relations): Free DDR_LOOP_NEST.
2120 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2121 free DEPENDENCE_RELATIONS and DATAREFS.
2124 * builtins.c (expand_builtin_sync_operation,
2125 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2126 Use convert_to_mode to handle promoted arguments.
2128 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2130 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2132 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2134 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2136 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2138 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2139 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2140 Use <modeconstraint> instead of "r" as operand 1 constraint.
2142 2006-10-06 Olivier Hainque <hainque@adacore.com>
2144 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2145 Don't recurse on the pointed-to type.
2146 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2147 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2148 types with components of variable size.
2150 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2152 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2154 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2156 PR tree-optimization/29290
2157 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2161 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2162 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2165 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2166 the number of vector elements fill the rest with zeros.
2168 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2170 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2171 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2174 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2176 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2177 unnamed pattern into subsi3. Use correct constraints/predicates.
2178 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2179 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2181 2006-10-05 Ira Rosen <irar@il.ibm.com>
2183 * doc/loop.texi: Add data references analysis description.
2185 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2187 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2189 2006-10-04 Richard Henderson <rth@redhat.com>
2190 Jakub Jelinek <jakub@redhat.com>
2192 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2193 * builtin-types.def (BT_WORD): Make unsigned.
2194 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2195 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2196 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2197 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2198 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2199 * cgraph.c (decide_is_variable_needed): Look at force_output.
2200 Recurse for emulated tls.
2201 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2202 checks redundant with decide_is_variable_needed.
2203 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2204 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2206 * expr.c (emutls_var_address): New.
2207 (expand_expr_real_1): Expand emulated tls.
2208 (expand_expr_addr_expr_1): Likewise.
2209 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2210 * output.h (emutls_finish): Declare.
2211 * toplev.c (compile_file): Call it.
2212 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2213 address before wrapping in CONST.
2214 * varasm.c (emutls_htab, emutls_object_type): New.
2215 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2216 (get_emutls_object_name, get_emutls_object_type): New.
2217 (get_emutls_init_templ_addr, emutls_decl): New.
2218 (emutls_common_1, emutls_finish): New.
2219 (assemble_variable): When emulating tls, swap decls; generate
2220 constructor for the emutls objects.
2221 (do_assemble_alias): When emulating tls, swap decl and target name.
2222 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2224 * emutls.c: New file.
2225 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2226 tls_object for real tls.
2228 2006-10-04 Zack Weinberg <zackw@panix.com>
2230 Fix bug in constraint-check generator, reported by Rask Ingemann
2232 * genpreds.c (add_constraint): Don't remove anything from the
2234 (write_tm_constrs_h): Detect whether "op" argument is used, and
2235 mark it ARG_UNUSED if it isn't.
2236 (write_insn_const_int_ok_for_constraint): Skip the part of the
2237 expression that would test whether "op" (which is not available
2238 here) is a CONST_INT.
2240 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2243 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2245 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2247 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2248 current Leopard versions.
2249 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2251 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2253 * doc/install.texi: Fix typos.
2255 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2257 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2258 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2259 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2261 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2263 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2264 arg to be struct mach_header_64* instead.
2266 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2269 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2270 side effects after the outer expression's post side effects.
2272 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2274 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2275 comments to reflect actual behavior and relationship between
2276 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2278 * doc/c-tree.texi (Working with declarations): Fix documentation
2279 of FIELD_DECL likewise.
2281 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2284 * doc/extend.texi: Add used variable attribute description.
2286 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2289 * c.opt (Woverride-init): New.
2290 * c-opts.c (c_common_post_options): Default warn_override_init to
2292 * c-typeck.c (add_pending_init, output_init_element): Warn for
2293 overriding initializers without side effects.
2294 * doc/invoke.texi (-Woverride-init): Document.
2297 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2299 PR rtl-optimization/28096
2300 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2301 assignment has already been used as a destination earlier in the block.
2303 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2305 * builtins.c (expand_builtin_setjmp): Delete.
2306 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2307 <BUILT_IN_SETJMP_SETUP>: New case.
2308 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2309 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2310 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2311 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2312 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2313 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2314 (lower_function_body): Initialize it to false. If it is set to true
2315 at the end of the processing, emit the setjmp dispatcher.
2316 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2317 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2318 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2319 on the rhs of the assignment.
2320 (lower_builtin_setjmp): New function.
2321 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2322 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2323 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2324 to detect calls that can go to non-local labels. Use specific
2325 helper to create the abnormal edges associated with them.
2326 <MODIFY_EXPR>: Likewise.
2327 (make_abnormal_goto_edges): New function extracted from...
2328 (make_goto_expr_edges): ...here. Call it for computed gotos.
2329 (simple_goto_p): Minor tweak.
2330 (tree_can_make_abnormal_goto): New predicate.
2331 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2332 (tree_purge_dead_abnormal_call_edges): New function.
2333 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2334 (tree_purge_dead_abnormal_call_edges): Likewise.
2335 (make_abnormal_goto_edges): Likewise.
2336 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2337 Purge all dead abnormal edges if the call was in the last statement.
2338 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2339 (execute_fixup_cfg): If there are non-local labels in the function,
2340 scan the basic blocks and split them at calls that can go to non-local
2341 labels or add missing abnormal call edges. Write down the CFG in the
2343 (pass_fixup_cfg): Remove TODO_dump_func flag.
2344 * unwind-sjlj.c: Poison setjmp.
2345 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2346 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2347 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2348 (DONT_USE_BUILTIN_SETJMP): Document it.
2350 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2353 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2354 to 1 when __ppc64__ is defined.
2355 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2357 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2359 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2361 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2362 * config/ia64/unwind-hpux.c: Delete.
2364 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2366 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2367 on the element before gimplifying it, instead of punting if it is of
2370 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2372 * doc/loop.texi: New file.
2373 * doc/gccint.texi: Reference loop.texi.
2374 * Makefile.in (loop.texi): Add.
2376 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2378 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2380 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2381 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2383 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2385 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2387 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2389 * doc/install.texi: Document required versions of GMP and MPFR.
2391 2006-09-27 Paul Brook <paul@codesourcery.com>
2394 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2396 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2398 * reload1.c (alter_reg): Require the alignment of the stack slot to
2399 be at least reg_max_ref_width bytes.
2400 (scan_paradoxical_subregs): Record the largest width in
2403 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2407 * tree-nested.c (struct nesting_info): Added static_chain_added.
2408 (convert_call_expr): Set static_chain_added when adding static
2409 chain. Handle OMP_PARALLEL and OMP_SECTION.
2411 2006-09-25 Matthias Klose <doko@debian.org>
2413 * doc/invoke.texi: Add missing full stop.
2415 2006-09-25 Richard Henderson <rth@redhat.com>
2417 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2418 before cgraph_function_flags_ready.
2420 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2421 Adam Nemet <anemet@caviumnetworks.com>
2423 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2424 determine_common_wider_type): New functions.
2425 (get_computation_aff): Use them to simplify arithmetic between
2426 UBASE and CBASE if they are shortened from the same type.
2428 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2431 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2432 -2147483647 - 1 instead of 0x80000000.
2434 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2436 * flags.h (HONOR_NANS): Fix typo in comment.
2438 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2440 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2442 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2446 * tree.c (merge_attributes, attribute_list_contained): If both
2447 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2449 * c-typeck.c (comptypes_internal): Don't consider aggregates
2450 in different TUs as compatible if there one set of attributes is
2451 not a subset of the other type's attributes.
2452 (composite_type): Try harder not to create a new aggregate type.
2454 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2456 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2457 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2458 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2459 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2460 than replicating condition above.
2461 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2463 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2464 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2465 the linker by default.
2467 2006-09-22 Mike Stump <mrs@apple.com>
2469 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2472 2006-09-22 Richard Guenther <rguenther@suse.de>
2475 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2476 sort of stack variables stable.
2478 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2481 * explow.c (force_reg): Set REG_POINTER flag according to
2484 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2486 PR tree-optimization/28888
2487 * tree-if-conv.c (combine_blocks): Rewritten.
2488 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2489 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2491 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2493 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2496 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2498 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2500 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2502 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2504 2006-09-21 Roger Sayle <roger@eyesopen.com>
2507 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2508 dw_fde_current_label, to be the start of the function, i.e. the same
2509 value as dw_fde_begin.
2511 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2513 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2514 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2515 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2516 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2517 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2518 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2519 (abs<mode>2, neg<mode>2): Likewise.
2520 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2521 (*mips_abs_ps): New define_insn.
2523 2006-09-20 Josh Conner <jconner@apple.com>
2526 * calls.c (expand_call): Allow reuse of structure return stack
2529 2006-09-20 Paul Brook <paul@codesourcery.com>
2531 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2534 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2536 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2537 clean up terminology.
2539 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2542 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2543 with tablejumps in them.
2545 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2548 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2549 wrap it into TARGET_EXPR.
2551 2006-09-20 Eric Christopher <echristo@apple.com>
2553 * config/i386/i386.c (x86_fisttp): Remove.
2554 * config/i386/i386.h (x86_fisttp): Ditto.
2555 (TARGET_FISTTP): Ditto.
2557 2006-09-19 Eric Christopher <echristo@apple.com>
2559 * doc/tm.texi (OBJC_JBLEN): Describe.
2560 * config/i386/darwin.h (OBJC_JBLEN): Define.
2561 * config/rs6000/darwin.h: Ditto.
2563 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2565 PR rtl-optimization/21299
2566 * reload1.c (reload): Purge invalid ASMs in the final pass.
2568 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2571 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2572 pointers as legitimate constants.
2574 2006-09-19 Paul Brook <paul@codesourcery.com>
2577 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2579 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2581 PR tree-optimization/28887
2582 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2583 component parts from the reference.
2584 (gather_memory_references_ref): Record the reference without the
2585 nonaddressable component parts.
2587 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2590 * c-opts.c (c_common_handle_option): Ignore the -std options
2591 if the input language is assembly.
2593 2006-09-17 Ira Rosen <irar@il.ibm.com>
2596 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2598 (ptr_ptr_may_alias_p): Likewise.
2599 (record_record_differ_p): New function.
2600 (base_object_differ_p): Call record_record_differ_p.
2602 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2605 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2606 away for the expr argument.
2608 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2611 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2612 before using it for dumping after vectorizing loops.
2614 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2615 Jack Howarth <howarth@bromo.med.uc.edu>
2618 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2619 skip on error_mark_node.
2620 (rs6000_darwin64_record_arg_recurse): Likewise.
2622 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2624 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2625 * doc/rtl.texi: Remove related documentation.
2627 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2629 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2632 2006-09-15 Jim Wilson <wilson@specifix.com>
2634 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2635 Handle symbol offsets same as they are handled in ia64_expand_move
2638 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2640 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2641 Add forgotten parameter to the fprintf call.
2643 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2645 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2647 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2649 * doc/contrib.texi: Add my entry.
2651 2006-09-15 Nick Clifton <nickc@redhat.com>
2653 * doc/md.texi (Processor pipeline description): Fix typo in
2654 example of how to use the absence_set directive and reword the
2655 description to make it slightly easier to read.
2657 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2659 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2660 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2661 expanding the number of iterations.
2662 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2664 * cfgrtl.c (emit_insn_at_entry): New function.
2665 * rtl.h (emit_insn_at_entry): Declare it.
2666 * integrate.c (emit_initial_value_sets): Use it.
2668 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2670 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2672 (struct loop_work and related VEC declarations): Delete.
2673 (bfin_dump_loops): Print out new member bad.
2674 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2675 (bfin_scan_loop): Don't recurse.
2676 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2677 loops. No longer need to update outer loops if the current one is
2678 found bad. Move some validitiy checks to bfin_discover_loop.
2679 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2680 but changed not to check for nesting. Also changed to use the new bad
2682 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2683 time. Use bitmap based test to discover loop nesting.
2685 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2687 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2690 2006-09-14 Richard Guenther <rguenther@suse.de>
2691 Kazu Hirata <kazu@codesourcery.com>
2693 PR middle-end/28884.
2694 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2695 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2696 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2697 with TARGET_FUNCTION_VALUE.
2699 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2702 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2704 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2706 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2709 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2712 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2715 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2717 * basic_block.h (bb_has_eh_pred): Fix comment.
2719 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2721 * flow.c (calculate_global_regs_live): Invalidate eh registers
2722 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2723 (propagate_block): Handle eh registers as if they were set at basic
2725 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2727 * global.c (global_conflicts): Make eh registers to conflict with
2728 pseudos live at basic block begin.
2729 * basic_block.h (bb_has_eh_pred): New function.
2731 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2733 PR rtl-optimization/28982
2734 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2735 index of a PRE_MODIFY or POST_MODIFY address.
2736 * reload1.c (inc_for_reload): Use find_replacement on the original
2737 base and index registers.
2739 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2741 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2742 for -Os. Update __m128 alignment requirement.
2744 2006-09-13 Jan Hubicka <jh@suse.cz>
2746 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2748 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2750 PR rtl-optimization/28243
2751 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2752 the insn to which the note was originally attached.
2754 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2755 Roger Sayle <roger@eyesopen.com>
2757 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2758 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2759 on platforms that don't use dwarf for debug info.
2761 2006-09-12 Jason Merrill <jason@redhat.com>
2764 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2765 hard_frame_pointer_rtx after using it to update the frame pointer.
2767 2006-09-12 Roger Sayle <roger@eyesopen.com>
2769 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2770 (TARGET_ASM_CLOSE_PAREN): Likewise.
2771 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2772 (TARGET_ASM_CLOSE_PAREN): Likewise.
2774 2006-09-12 Roger Sayle <roger@eyesopen.com>
2777 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2778 frame information for frames larger than 512 Kbytes on Tru64 when
2779 using the native assembler.
2781 2006-09-12 Roger Sayle <roger@eyesopen.com>
2785 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2786 and symbols. Instead use the implementation from cse.c's hash_rtx.
2788 2006-09-12 Jan Hubicka <jh@suse.cz>
2790 PR rtl-optimization/28071
2791 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2792 (vect_transform_loop): Likewise.
2793 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2794 (new_loop_vec_info): Likewise.
2795 (destroy_loop_vec_info): Likewise.
2796 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2797 (create_stmt_ann): Likewise.
2798 (create_tree_ann): Rename to ...
2799 (create_tree_common_ann): ... this one; allocate only the common part
2801 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2802 (get_value_handle): Likewise.
2803 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2804 get_tree_common_ann.
2805 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2806 (vinfo_for_stmt): Use stmt annotations.
2807 * tree-flow.h (tree_ann_common_t): New type.
2808 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2809 (tree_ann, get_tree_ann, create_tree_ann): New.
2810 * tree-flow-inline.h (get_function_ann): Do more type checking.
2811 (stmt_ann): Likewise.
2812 (tree_ann): Rename to ...
2813 (tree_common_ann): ... this one; return ony common_ann
2814 (get_tree_ann): Rename to ...
2815 (tree_common_ann): This one; return only common_ann.
2816 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2819 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2821 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2822 with_cpu by default.
2824 * dwarf2out.c (dwarf_file_data): New.
2825 (enum dw_val_class): Add dw_val_class_file.
2826 (struct dw_val_struct): Add val_file.
2827 (file_table): Change to a hash table.
2828 (file_table_emitted): Delete.
2829 (file_table_last_lookup_index): Delete.
2830 (emitcount): Delete.
2831 (last_emitted_file): New.
2832 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2833 (init_file_table): Delete.
2834 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2835 (AT_addr): Add comment.
2839 (print_die): Handle dw_val_class_file.
2840 (print_dwarf_line_table): Update for new file table structure.
2841 (attr_checksum): Do checksum a filename.
2842 (same_dw_val_p, same_attr_p): Do compare a filename.
2843 (size_of_die): Handle dw_val_class_file.
2844 (value_format): Likewise.
2845 (output_die): Likewise. Also, call maybe_emit_file here.
2846 (struct file_info): Constify filenames. Make file_idx a pointer
2847 to a struct dwarf_file_data.
2848 (struct dir_info): Constify directory names. Remove 'used' field.
2849 (struct file_name_acquire_data): New.
2850 (file_name_acquire): New.
2851 (output_file_names): Modify to handle new file data structures.
2852 (add_src_coords_attributes): Use add_AT_file.
2853 (add_call_src_coords_attributes): Likewise.
2854 (dwarf2out_imported_module_or_decl): Likewise.
2855 (gen_subprogram_die): Modify for new file data structures.
2856 (gen_variable_die): Likewise.
2857 (file_table_eq): New.
2858 (file_table_hash): New.
2859 (file_table_last_lookup): New.
2860 (lookup_filename): Rewrite to handle new file data structures.
2861 (maybe_emit_file): Rewrite to handle new file data structures.
2862 (dwarf2out_source_line): Always call lookup_filename and
2864 (dwarf2out_init): Create file_table here.
2865 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2866 (file_table_relative_p): New.
2867 (dwarf2out_finish): Change detection of relative filenames
2868 to work with new file data structures. Move output_line_info call
2869 after debug_info output.
2871 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2876 * config/i386/i386.c (override_options): Always default to 16
2877 byte stack boundary.
2879 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2882 * var-tracking.c (dump_dataflow_set): Start dumping at
2884 (clobber_variable_part): Kill only the variable part in
2885 registers holding it, leaving other variables alone.
2887 2006-09-11 Josh Triplett <josh@freedesktop.org>
2889 * doc/extend.texi (Other Builtins): Actually use the macro
2890 argument in the documentation example for
2891 __builtin_types_compatible_p.
2893 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2895 PR rtl-optimization/28726
2896 * sched-deps.c (sched_analyze_reg): New function extracted from...
2897 (sched_analyze_1): ...here. Call it to analyze references to
2898 registers. Treat again writes to a stack register as writing to the
2900 (sched_analyze_2): ...and here. Call it to analyze references to
2901 registers. Treat again reads of a stack register as reading the
2904 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2905 David Edelsohn <edelsohn@gnu.org>
2908 * config/rs6000/spe.md (frob_df_di): Remove %H.
2909 (frob_di_df): Remove %H. Change evmergelo to mr.
2910 (frob_di_df_2): Remove %H. Change evldd to two loads.
2912 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2914 * doc/cpp.texi: Fix names of charset options.
2916 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2919 * config/i386/i386.c (override_options): Use 128-bit
2920 stack boundary always for 64bits.
2922 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2924 PR rtl-optimization/28636
2925 * combine.c (force_to_mode): Test for side-effects before
2926 substituting by zero.
2927 (simplify_shift_const): Likewise for zero or other constants.
2929 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2932 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2935 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2938 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2939 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2940 returned by mode_for_size, rather than the mode of src itself,
2941 to choose between 32-bit and 64-bit patterns.
2942 (mips_mem_fits_mode_p): New function.
2943 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2944 that the size of the source matches the size of the destination.
2945 (mov_<store>l, mov_<store>r): Likewise.
2947 2006-09-10 Eric Christopher <echristo@apple.com>
2949 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2952 2006-09-09 Eric Christopher <echristo@apple.com>
2955 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2958 2006-09-09 Roger Sayle <roger@eyesopen.com>
2959 Nicolas Setton <setton@adacore.com>
2961 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2963 2006-09-10 Andreas Schwab <schwab@suse.de>
2965 * config/m68k/m68k.md (bungt_rev): New pattern.
2967 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2968 Dale Johannesen <dalej@apple.com>
2971 * regclass.c (struct reg_pref): Update documentation.
2972 (regclass): Set prefclass to NO_REGS if memory is the best option.
2973 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2975 2006-09-08 Eric Christopher <echristo@apple.com>
2977 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2978 * config/t-slibgcc-darwin: Support x86_64 multilib.
2979 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2980 Return 1 for x86_64-darwin.
2981 * config/i386/t-darwin: Add m64 multilib.
2982 (LIB2_SIDITI_CONV_FUNCS): Use.
2983 (LIB2FUNCS_EXTRA): Ditto.
2984 * config/i386/darwin.h: Support x86_64.
2985 * config/i386/i386.c (override_options): Turn on flag_pic
2986 for x86_64-darwin. Disable flag_omit_pointer.
2987 (get_pc_thunk_name): Assert !TARGET_64BIT.
2988 (legitimate_address_p): Disable machopic addressing for
2990 (legitimize_pic_address): Ditto.
2991 (ix86_expand_move): Ditto.
2992 (ix86_expand_call): Ditto.
2993 (machopic_output_stub): Ditto.
2994 * config/darwin.c (machopic_select_section): Support literal16.
2995 (machopic_select_rtx_section): Ditto.
2996 * config/darwin-sections.def: Ditto.
2997 * config/darwin-64.c: New.
2999 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
3002 * c-tree.h (struct c_arg_info): Add pending_sizes.
3003 * c-parser.c (c_parser_parms_declarator,
3004 c_parser_parms_list_declarator): Initialize pending_sizes.
3005 * c-decl.c (get_parm_info): Initialize pending_sizes.
3006 (get_parm_info): Set pending_sizes.
3007 (grokdeclarator): Call put_pending_sizes for parameters for
3008 function definition only.
3010 2006-09-07 Jason Merrill <jason@redhat.com>
3013 * varasm.c (output_constant): Only strip actual no-op conversions.
3016 * config/i386/i386.c (override_options): Use 128-bit
3017 stack boundary if -msse.
3019 2006-09-07 Eric Christopher <echristo@apple.com>
3021 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
3023 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
3026 2006-09-07 Geoffrey Keating <geoffk@apple.com>
3028 * dwarf2out.c: Remove strange characters from comment above
3029 dwarf2out_frame_debug_expr.
3031 2006-09-07 Eric Christopher <echristo@apple.com>
3033 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3034 * config/darwin.h: ... to here.
3036 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3038 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3040 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3041 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3043 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3044 TARGET_PARTIAL_FLAG_REG_STALL.
3045 (*ashldi3_cconly_rex64): Likewise.
3046 (*ashlsi3_cmp): Likewise.
3047 (*ashlsi3_cconly): Likewise.
3048 (*ashlsi3_cmp_zext): Likewise.
3049 (*ashlhi3_cmp): Likewise.
3050 (*ashlhi3_cconly): Likewise.
3051 (*ashlqi3_cmp): Likewise.
3052 (*ashlqi3_cconly): Likewise.
3053 (*ashrdi3_cmp_rex64): Likewise.
3054 (*ashrdi3_cconly_rex64): Likewise.
3055 (*ashrsi3_cmp): Likewise.
3056 (*ashrsi3_cconly): Likewise.
3057 (*ashrsi3_cmp_zext): Likewise.
3058 (*ashrhi3_cmp): Likewise.
3059 (*ashrhi3_cconly): Likewise.
3060 (*ashrqi3_cmp): Likewise.
3061 (*ashrqi3_cconly): Likewise.
3062 (*lshrdi3_cmp_rex64): Likewise.
3063 (*lshrdi3_cconly_rex64): Likewise.
3064 (*lshrsi3_cmp): Likewise.
3065 (*lshrsi3_cconly): Likewise.
3066 (*lshrsi3_cmp_zext): Likewise.
3067 (*lshrhi3_cmp): Likewise.
3068 (*lshrhi3_cconly): Likewise.
3069 (*lshrqi2_cmp): Likewise.
3070 (*lshrqi2_cconly): Likewise.
3072 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3075 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3076 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3077 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3078 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3079 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3080 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3081 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3082 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3083 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3084 implement only CC setting effects of shift instructions.
3086 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3088 * doc/contrib.texi: Add myself.
3090 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3093 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3094 was set by the user.
3096 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3099 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3100 (divsi_inv_m1): Use them.
3101 (UNSPEC_DIV_INV_TABLE): New constant.
3103 2006-09-06 James E Wilson <wilson@specifix.com>
3106 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3107 then call count_or_remove_death_notes.
3109 2006-09-06 Jason Merrill <jason@redhat.com>
3112 * tree-inline.c (copy_result_decl_to_var): New fn.
3113 (declare_return_variable): Use it. Call declare_inline_vars here.
3114 (expand_call_inline): Not here.
3116 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3118 * doc/contrib.texi: Update my entry.
3120 2006-09-06 Nick Clifton <nickc@redhat.com>
3122 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3124 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3127 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3128 (canonicalize_induction_variables): Likewise.
3129 (tree_unroll_loops_completely): Likewise.
3130 (tree_ssa_prefetch_arrays): Likewise.
3131 (remove_empty_loops): Likewise.
3132 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3133 TODO_cleanup_cfg instead of directly calling
3134 cleanup_tree_cfg_loop.
3135 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3137 (tree_unroll_loops_completely): Likewise.
3138 (remove_empty_loops): Likewise.
3139 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3140 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3141 of tree_ssa_unswitch_loops.
3142 (tree_ssa_loop_ivcanon): Use the return value of
3143 canonicalize_induction_variables.
3144 (tree_ssa_empty_loop): Use the return value of
3146 (tree_complete_unroll): Use the return value of
3147 tree_unroll_loops_completely.
3148 (tree_ssa_loop_prefetch): Use the return value of
3149 tree_ssa_prefetch_arrays.
3150 * passes.c (execute_todo): Before Cleanup CFG, set
3151 updating_used_alone and after cleanup CFG, call
3152 recalculate_used_alone.
3154 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3157 * tree-vect-transform.c (vectorizable_condition): Move the check
3158 for the type after the check for simple condition.
3160 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3161 Kaz Kojima <kkojima@gcc.gnu.org>
3164 * mode-switching.c (optimize_mode_switching): Make the destination
3165 block of an abnormal edge have no anticipatable mode. Don't
3166 insert mode switching code at the end of the source block of
3169 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3171 PR rtl-optimization/26847
3172 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3173 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3174 (simplify_plus_minus): Count n_constants while filling ops. Replace
3175 qsort with insertion sort. Before going through the array to simplify
3176 pairs, sort it. Delay early exit until after the first sort, exiting
3177 only if no swaps occurred. Simplify pairs in reversed order, without
3178 special-casing the first iteration. Pack ops after simplifying pairs.
3180 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3182 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3183 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3184 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3185 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3187 2006-09-05 Richard Guenther <rguenther@suse.de>
3189 PR tree-optimization/28900
3190 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3191 compound conditional before creating COND_EXPR condition.
3193 2006-09-05 Richard Guenther <rguenther@suse.de>
3195 PR tree-optimization/28905
3196 * tree-vrp.c (fix_equivalence_set): Manually implement
3197 !value_ranges_intersect_p to also handle symbolic ranges.
3199 2006-09-05 Richard Guenther <rguenther@suse.de>
3202 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3205 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3207 PR rtl-optimization/27616
3208 * cse.c (table_size): New static variable.
3209 (new_basic_block): Initialize it to 0.
3210 (remove_from_table): Decrement it.
3211 (insert): Increment it.
3212 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3213 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3214 fold_rtx_mem_1 if under the cap.
3215 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3216 the lookup of the equivalent expression and test for equality of the
3217 first operand of the equivalent expression before in turn looking up
3218 an equivalent constant for the second operand.
3220 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3223 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3224 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3225 pointer, instead of assuming it is possible to derive the
3226 correct args size from a call insn.
3228 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3231 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3232 (fold_builtin_mempcpy): Rename to...
3233 (fold_builtin_memory_op): ... this. Optimize one element copy
3235 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3237 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3238 (expand_builtin_memcpy, expand_builtin_mempcpy,
3239 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3240 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3241 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3242 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3244 2006-09-01 DJ Delorie <dj@redhat.com>
3246 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3247 (stzx_16): Likewise.
3248 ("stzx_24_<mode>"): Likewise.
3249 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3250 ("cmp<mode>_op"): New.
3251 (cmp<mode>): Change to expander; just save operands.
3253 (b<code>): Change to expander, emit compare here.
3254 (s<code>_op): Change to use split and expander.
3255 (s<code>_24_op): Likewise.
3256 (s<code>_<mode>): New.
3257 (s<code>_<mode>_24): New.
3258 (movqicc_<code>_<mode): New.
3259 (movhicc_<code>_<mode>): New.
3262 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3263 (m32c_pend_compare): New.
3264 (m32c_unpend_compare): New.
3265 (m32c_expand_scc): New.
3266 (m32c_expand_movcc): Emit the compare also.
3267 * config/m32c/predicates.md (mra_nopp_operand): New.
3269 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3270 Richard Guenther <rguenther@suse.de>
3271 Adam Nemet <anemet@caviumnetworks.com>
3274 * builtins.c (get_pointer_alignment): Handle more forms
3275 of base addresses that can be used to derive more precise
3276 information about alignment.
3278 2006-09-01 Jason Merrill <jason@redhat.com>
3281 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3284 * gimplify.c (voidify_wrapper_expr): Handle null type.
3286 2006-09-01 Josh Conner <jconner@apple.com>
3289 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3290 (execute_return_slot_opt): Use it.
3292 2006-08-31 Josh Conner <jconner@apple.com>
3295 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3296 returning aggregates.
3298 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3300 PR tree-optimization/28839
3301 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3302 blocks in that phi arguments appear.
3304 2006-08-31 Roger Sayle <roger@eyesopen.com>
3307 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3308 NULL, otherwise use an advance_loc4 to adjust relative to the
3310 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3311 (dwarf2out_switch_text_section): Reset the current label to avoid
3312 using advance_loc4 over section boundaries.
3314 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3317 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3318 r12 + SYMBOLIC_CONST.
3320 2006-08-30 Richard Guenther <rguenther@suse.de>
3322 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3324 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3326 PR rtl-optimization/27735
3327 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3328 Add new argument to keep track of whether an irreducible region
3329 was affected. All callers changed.
3330 (fix_irreducible_loops): Removed.
3331 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3332 flags were invalidated.
3334 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3336 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3337 instead of SF operands.
3338 (*fop_df_comm_sse): Likewise.
3339 (*fop_df_comm_i387): Likewise.
3340 (*fop_df_1_mixed): Likewise.
3341 (*fop_df_1_sse): Likewise.
3343 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3344 J"orn Rennecke <joern.rennecke@st.com>
3346 PR tree-optimization/17506
3347 * tree-ssa.c (warn_uninit): If warning about a location outside of
3348 the current function, note where the variable was declared.
3350 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3352 PR tree-optimization/28411
3353 * double-int.c (double_int_div): Use double_int_divmod.
3354 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3355 double_int_mod, double_int_smod, double_int_umod): New functions.
3356 * double-int.h (double_int_divmod, double_int_sdivmod,
3357 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3359 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3361 (get_computation_aff, get_computation_cost_at): Handle double_int
3362 return type of constant_multiple_of.
3364 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3367 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3368 an implicit conversion.
3370 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3372 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3374 2006-08-27 Roger Sayle <roger@eyesopen.com>
3376 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3379 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3381 * config/i386/crtfastmath.c: Fix a comment typo.
3383 2006-08-26 Roger Sayle <roger@eyesopen.com>
3385 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3386 temporary visit flags on CASE_LABEL_EXPRs.
3387 * c-common.c (match_case_to_enum): Add function comment. Avoid
3388 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3389 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3390 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3391 a constant, only warn if that constant value isn't handled.
3393 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3396 * input.h (restore_input_file_stack): Declare.
3397 (INPUT_FILE_STACK_BITS): Define.
3398 * toplev.c (fs_p, input_file_stack_history,
3399 input_file_stack_restored, restore_input_file_stack): New.
3400 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3401 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3402 (pop_srcloc): Don't free old state of stack.
3404 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3407 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3408 (PowerPC Type Attributes): New.
3410 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3412 * config/xtensa/xtensa.c (function_arg_boundary): New.
3413 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3415 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3416 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3418 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3421 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3424 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3426 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3427 (verify_local_live_at_start): Likewise.
3429 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3432 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3433 omp_add_variable): Treat sizes as variable whenever not
3436 2006-08-26 Richard Guenther <rguenther@suse.de>
3439 * fold-const.c (fold_binary): Fold temporary to correct
3440 type before constructing new comparison.
3442 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3445 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3446 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3448 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3451 * c-decl.c (start_function): Don't try to process prototype
3452 information from old declaration that isn't a function.
3454 2006-08-25 Jan Hubicka <jh@suse.cz>
3457 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3459 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3462 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3465 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3467 PR tree-optimization/16876
3468 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3469 exit if PARM doesn't match VALUE.
3471 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3473 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3474 literal_prefix directive.
3475 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3476 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3477 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3479 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3482 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3483 predicate to general_operand. Add 0->y and I->r alternatives.
3485 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3487 * doc/tm.texi: Fix a typo.
3488 * predict.c: Fix comment typos.
3490 2006-08-25 Nick Clifton <nickc@redhat.com>
3492 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3493 assertions of "cpu" and "machine".
3495 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3498 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3499 the access through a base which has an alias set of 0 cannot
3502 2006-08-24 Bill Wendling <wendling@apple.com>
3504 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3506 2006-08-24 Jan Hubicka <jh@suse.cz>
3508 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3510 2006-08-24 Jan Hubicka <jh@suse.cz>
3513 * cgraph.c: Fix comments.
3514 (cgraph_varpool_mark_needed_node): Mark only variables not already
3516 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3517 (cgraph_varpool_assembled_nodes_queue): New static variable.
3518 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3519 (cgraph_varpool_output_debug_info): New function.
3520 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3521 * Makefile.in: Add gt-cgraphunit.h
3523 2006-08-24 Jan Hubicka <jh@suse.cz>
3525 * predict.c (probability_reliable_p): New predicate.
3526 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3527 (predict_loops): Do not predict loop exit with less than 2%
3529 * basic-block.h (edge_probability_reliable_p,
3530 br_prob_note_reliable_p): Declare.
3531 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3532 prediction when static predictor is not reliable.
3533 * rs6000.c (output_cbranch): Likewise.
3535 2006-08-23 Stuart Hastings <stuart@apple.com>
3538 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3539 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3541 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3544 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3545 complex values, nor for generic vector values.
3547 2006-08-22 Richard Guenther <rguenther@suse.de>
3550 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3551 parameter. Convert arguments to arithmetic expression to the
3553 (analyze_scalar_evolution_1): Adjust caller.
3555 2006-08-22 Jan Hubicka <jh@suse.cz>
3557 Patch by Paolo Bonzini
3558 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3561 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3563 PR tree-optimization/28003
3564 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3565 before grouping aliases.
3567 2006-08-22 Roger Sayle <roger@eyesopen.com>
3569 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3570 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3572 2006-08-21 Jason Merrill <jason@redhat.com>
3575 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3576 wrapper. Loop to handle nested wrappers.
3577 (gimplify_bind_expr): Remove temp parameter.
3578 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3579 and STATEMENT_LIST on the rhs.
3580 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3581 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3582 (gimplify_target_expr): Remove special BIND_EXPR handling.
3584 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3586 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3589 2006-08-21 Olivier Hainque <hainque@adacore.com>
3591 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3592 Arrange for the temporary captures of components overlapping the lhs
3593 to happen before the lhs is possibly cleared.
3595 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3597 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3598 necessary places to pass the correct "number of registers" values
3601 2006-08-20 Jan Hubicka <jh@suse.cz>
3603 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3604 (create_name_tags): Instead of quadratic checking use hashtable.
3605 * bitmap.h: Include hashtab.h.
3606 (bitmap_hash): Declare.
3607 * bitmap.c (bitmap_hash): New function.
3609 2006-08-20 Jan Hubicka <jh@suse.cz>
3611 PR rtl-optimization/28071
3612 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3614 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3615 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3616 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3617 cgraph_decide_inlining_incrementally): Update use of
3618 cgraph_check_inline_limits.
3619 * cgraph.c (edge_hash, edge_eq): New function.
3620 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3621 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3622 cgraph_remove_node): Maintain call site hash.
3623 * cgraph.h (struct cgraph_node): Add call_site_hash.
3624 (cgraph_set_call_stmt): New function.
3626 2006-08-20 Jan Hubicka <jh@suse.cz>
3628 PR rtl-optimization/28071
3629 * reload1.c (reg_has_output_reload): Turn into regset.
3630 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3631 choose_reload_regs, emit_reload_insns): Update to new
3632 reg_has_output_reload.
3634 2006-08-20 Jan Hubicka <jh@suse.cz>
3637 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3638 function body sizes.
3639 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3641 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3644 * tree.c (handle_dll_attribute): Return early if not a
3645 var or function decl.
3647 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3650 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3651 alignment of SPE vector types.
3653 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3655 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3657 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3660 * cgraph.h (struct cgraph_node): Remove externally_visible
3662 * cgraphunit.c (process_function_and_variable_attributes): Set
3663 local.externally_visible rather than externally_visible.
3666 * c-common.c (handle_externally_visible_attribute): First look
3667 at TREE_CODE and only if it is function or var decl, check for
3668 non-public objects. Don't warn for DECL_EXTERNAL.
3669 * cgraphunit.c (process_function_and_variable_attributes): Warn
3670 if externally_visible attribute is used on non-public object.
3672 2006-08-17 Jan Hubicka <jh@suse.cz>
3674 PR tree-optimization/27865
3675 * reload1.c (forget_marked_reloads): New function.
3676 (forget_old_reloads_1): When data are passed, just mark the registers
3678 (reload_as_needed): Use the new mechanizm.
3680 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3683 * reload.h (reg_equiv_alt_mem_list): New declaration.
3684 * reload1.c (reg_equiv_alt_mem_list): New definition.
3685 (reload): Initialize it and release it.
3686 (delete_output_reload): Use it.
3687 * reload.c (push_reg_equiv_alt_mem): New function.
3688 (find_reloads_toplev): Call it.
3689 (find_reloads_address, find_reloads_address_1): Likewise.
3690 (find_reloads_subreg_address): Likewise.
3692 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3694 PR rtl-optimization/28489
3695 * sched-ebb.c (begin_schedule_ready): Create basic block
3697 (advance_target_bb): Skip empty blocks.
3698 * haifa-sched.c (bb_note): Make global.
3699 * sched-int.h (bb_note): Add prototype.
3701 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3703 PR tree-optimization/27865
3704 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3706 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3707 fold_used_pointer, pointer_used_p): New functions.
3708 (analyze_scalar_evolution_1): Use fold_used_pointer.
3709 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3710 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3713 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3716 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3717 or the INTEGER_CST. Fail on a CALL_EXPR.
3718 (fold_offsetof): Pass new argument to fold_offsetof_1.
3719 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3720 operand into an INDIRECT_REF.
3721 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3723 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3725 PR gcov/profile/26570
3726 * value-prof.c (static_values): Removed.
3727 (tree_find_values_to_profile): Do not set static_values.
3728 (find_values_to_profile): Do not free static_values.
3729 * profile.c (instrument_values): Do not free the values.
3730 (branch_prob): Free the values.
3732 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3734 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3736 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3739 * c-typeck.c (build_component_ref): Combine qualifiers of
3740 structure or union and field.
3742 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3744 PR rtl-optimization/28071
3745 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3746 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3747 * tree-into-ssa.c (struct dom_dfsnum): New.
3748 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3750 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3751 compute_global_livein.
3752 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3753 in phi nodes in the correct blocks.
3755 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3757 PR tree-optimization/28364
3758 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3760 (fold_affine_expr): New function.
3761 (may_eliminate_iv): Use fold_affine_expr.
3763 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3766 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3769 2006-08-16 Mike Stump <mrs@apple.com>
3771 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3772 * doc/cppopts.texi (-MD): Likewise.
3774 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3777 * c-common.c (handle_weak_attribute): Ignore and warn if
3778 not a FUNCTION_ or VAR_DECL.
3780 2006-07-15 Mike Stump <mrs@apple.com>
3783 * c-parser.c (c_parser_typeof_specifier): Don't use
3784 c_finish_expr_stmt, open code desired semantics instead.
3786 2006-08-15 Nick Clifton <nickc@redhat.com>
3788 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3789 fragment to tmake_file only if threads are enabled.
3790 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3791 * config/i386/t-gthr-win32: New file. ... here.
3793 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3796 * c-parser.c (c_parser_compound_statement_nostart): Reset
3797 parser->error after each statement.
3799 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3802 * omp-low.c (lower_omp_parallel): Convert t to
3803 receiver_decl's type.
3804 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3805 source before comparison.
3808 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3809 to itype in assignment to oldival2.
3811 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3815 * c-typeck.c (build_compound_expr): If the second expression
3816 is an error mark, then just return an error mark instead of
3817 creating a COMPOUND_EXPR.
3819 2006-07-14 Mike Stump <mrs@apple.com>
3821 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3823 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3825 * c-decl.c, var-tracking.c: Fix comment typos.
3827 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3829 PR rtl-optimization/28634
3830 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3831 for floating-point modes unless flag_unsafe_math_optimizations.
3833 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3834 Andrew Pinski <pinskia@physics.uc.edu>
3837 * tree.c (build_array_type): Unify array types with
3838 unspecified index_type.
3839 * c-decl.c (grokdeclarator): Make sure we do not modify a
3840 unified incomplete array type.
3841 * c-typeck.c (store_init_value): Create distinct type before
3842 filling in the index type in an initializer from a compound
3845 * c-decl.c (grokdeclarator): Remove code where we copy the
3848 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3850 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3851 into account for TODO_dump_cgraph.
3852 (TODO_update_ssa_no_phi): Likewise.
3853 (TODO_update_ssa_full_phi): Likewise.
3854 (TODO_update_ssa_only_virtuals): Likewise.
3855 (TODO_remove_unused_locals): Likewise.
3856 (TODO_set_props): Likewise.
3857 (TODO_update_stmt_usage): Likewise.
3859 2006-08-13 Dirk Mueller <dmueller@suse.de>
3861 * c-common.c (strict_aliasing_warning): Fix formatting.
3863 2006-08-13 Matthias Klose <doko@debian.org>
3865 * doc/invoke.texi: Fix spelling errors.
3867 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3869 PR rtl-optimization/23454
3870 * reorg.c (relax_delay_slots): Update comment.
3872 2006-08-11 Richard Guenther <rguenther@suse.de>
3875 * simplify-rtx.c (simplify_const_relational_operation):
3876 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3879 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3881 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3882 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3884 2006-08-10 Paul Brook <paul@codesourcery.com>
3886 * final.c (final_scan_insn): Clear current_insn_predicate before
3887 outputting inline asm.
3889 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3891 PR tree-optimization/26197
3892 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3893 get_ref_base_and_extent and overlap_subvar to add only relevant
3894 subvars as may-aliases.
3895 (add_may_alias_for_new_tag): New function, factored out of
3897 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3898 with additional argument.
3899 * tree-flow.h (new_type_alias): Takes additional argument.
3901 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3903 * gcov.c (no_data_file): New flag.
3904 (read_count_file): Set it if data file not present. Assume counts
3906 (output_lines): Don't name the data file, if there wasn't one.
3908 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3910 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3911 (rs6000_generate_compare): Tweak comments.
3912 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3914 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3916 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3917 (var_debug_decl): New function.
3918 (var_reg_set): Follow debug decl link. Add location even if
3919 reg is already known to hold some other variable.
3920 (var_mem_set): Follow debug decl link.
3921 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3922 decl link. Delete other known locations of the variable part
3924 (var_reg_delete, var_mem_delete): Delete other known locations
3925 of the variable part if requested.
3926 (same_variable_part_p): New function.
3927 (add_stores): Select MO_COPY when appropriate.
3928 (vt_initialize): Handle it.
3929 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3930 known locations for MO_SET and MO_CLOBBER.
3931 (find_variable_location_part): New function.
3932 (set_variable_part, delete_variable_part): Use it.
3933 (clobber_variable_part): New function.
3934 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3937 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3939 PR tree-optimization/26969
3940 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3941 with an empty list of PHIs.
3943 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3947 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3950 2006-08-06 Andreas Schwab <schwab@suse.de>
3952 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3953 string. Whitespace and comment fixup.
3955 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3958 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3962 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3965 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3967 2006-08-04 Jan Hubicka <jh@suse.cz>
3971 * reload.c (push_reload): Patch out the mismatching instruction;
3973 (find_reload): Bail out if the instruction was patched out.
3975 2006-08-04 Jan Hubicka <jh@suse.cz>
3977 PR tree-optimization/24888
3978 * tree-inline.c (expand_call_inline): Do not re-record variables.
3979 (declare_inline_vars): Add variable to unexpanded_var_list.
3981 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3982 Roger Sayle <roger@eyesopen.com>
3984 PR rtl-optimization/26244
3985 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3986 inner_const are negative or greater than or equal to the bitsize of
3987 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3988 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3989 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3990 CONST0_RTX (mode) when the new shift count is greater than or equal to
3991 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3994 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3996 * tree-cfg.c: Fix a comment typo.
3998 2006-08-03 Mark Mitchell <mark@codesourcery.com>
4001 * varasm.c (output_constant): Give the front end another chance to
4002 expand constants, after stripping NOPs.
4004 2006-08-03 Jan Hubicka <jh@suse.cz>
4006 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
4009 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
4011 PR tree-optimization/27770
4012 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
4013 declaration removed (moved to tree-flow.h).
4014 (vect_can_force_dr_alignment_p): Likewise.
4015 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
4016 (moved from tree-vectorizer.h).
4017 (vect_can_force_dr_alignment_p): Likewise.
4018 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
4019 from outside the vectorizer - in particular from cgraph stage.
4020 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
4021 the alignment of global arrays when -fsection-anchors is enabled.
4022 * cgraphunit.c (cgraph_increase_alignment): New function.
4023 (cgraph_optimize): Call cgraph_increase_alignment.
4025 2006-08-03 David Edelsohn <edelsohn@gnu.org>
4028 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4029 not reload a SPE symbol_ref into a lo_sum address.
4031 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4034 * dwarf2out.c (prune_unused_types_prune): Move call to
4035 prune_unused_types_update_strings to cover the parent DIE also.
4037 2006-08-02 Jan Hubicka <jh@suse.cz>
4039 PR gcov/profile/28480
4040 * tree-cfg.c (change_bb_for_stmt): New function.
4041 (tree_merge_blocks, tree_split_blocks): Use it.
4043 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4049 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4050 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4051 (cgraph_optimize): Likewise.
4053 2006-08-01 Stuart Hastings <stuart@apple.com>
4055 * rtl.h (UINTVAL) New.
4056 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4057 * testsuite/gcc.dg/20060801-1.c: New.
4059 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4062 * c-typeck.c (build_external_type): Mark used enum types.
4063 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4065 (gen_subprogram_die): Whitespace fix.
4067 2006-08-01 Jan Hubicka <jh@suse.cz>
4069 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4070 bitmap when not needed.
4071 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4074 2006-08-01 Dirk Mueller <dmueller@suse.de>
4076 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4078 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4080 * Makefile.in: Revert part of previous patch:
4081 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4084 2006-07-30 Eric Christopher <echristo@apple.com>
4087 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4088 (PowerPC Variable Attributes): New section.
4090 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4092 PR target/28126 (partial fix)
4093 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4095 2006-07-28 Jan Hubicka <jh@suse.cz>
4097 PR rtl-optimization/28071
4098 * cfgrtl.c (rtl_delete_block): Free regsets.
4099 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4101 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4103 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4104 and variables used in dependencies.
4106 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4108 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4109 %fs for -mcmodel=kernel.
4110 (stack_tls_protect_test_di): Likewise.
4112 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4114 * Makefile.in: Use mkinstalldirs.
4116 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4119 * opts-common.c (prune_options): Skip joined switches.
4121 2006-07-27 Jan Hubicka <jh@suse.cz>
4123 PR rtl-optimization/28071
4124 * cselib.c (cselib_process_insn): Don't remove useless values too
4125 often for very large hashtables.
4127 2006-07-27 Jan Hubicka <jh@suse.cz>
4129 PR rtl-optimization/28071
4130 * global.c (greg_obstack): New obstack.
4131 (allocate_bb_info): Use it.
4132 (free_bb_info): Likewise.
4133 (modify_reg_pav): Likewise.
4135 2006-07-27 Roger Sayle <roger@eyesopen.com>
4137 * builtins.c (fold_fixed_mathfn): When long and long long are the
4138 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4139 functions to their lceil*, lfloor*, lround* and lrint* forms.
4141 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4144 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4146 (rev_branch_insn): Likewise.
4148 2006-07-27 Jan Hubicka <jh@suse.cz>
4150 PR rtl-optimization/28071
4151 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4152 (reg_set_in_bb, max_reg_computed): New static variables.
4153 (regmove_optimize): Free the new array.
4154 (fixup_match_1): Update call of reg_is_remote_constant_p.
4156 2006-07-26 Jan Hubicka <jh@suse.cz>
4158 PR tree-optimization/27882
4159 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4161 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4163 (cgraph_analyze_compilation_unit): Likewise.
4164 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4165 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4166 (cgraph_early_inlinine): Make order garbage collected.
4167 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4169 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4171 * dbxout.c (output_types_sort): Add a comment.
4172 (output_used_types): Free the VEC.
4174 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4176 * function.c (reorder_fix_fragments): Delete.
4177 (reorder_blocks): Don't call it.
4178 (reorder_blocks_1): Put all subblocks under the origin block.
4180 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4182 PR rtl-optimization/27907
4183 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4186 2006-07-25 Roger Sayle <roger@eyesopen.com>
4189 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4190 bar(x) check that bar's result type can represent all the values of T.
4192 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4194 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4196 2006-07-25 Nick Clifton <nickc@redhat.com>
4198 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4199 size_lookup[] array.
4200 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4201 (ggc_pch_count_object): Likewise.
4202 (ggc_pch_alloc_object): Likewise.
4203 (ggc_pch_write_object): Likewise.
4204 (init_ggc): Do not attempt to initialize entries in the
4205 size_lookup[] array for objects whose size is greater than than
4206 the length of the array.
4208 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4210 * dbxout.c (output_used_types_helper): Push queued types
4212 (output_types_sort): New.
4213 (output_used_types): Collect used types on a VEC and sort them
4216 2006-07-24 Richard Guenther <rguenther@suse.de>
4219 * cgraph.c (cgraph_remove_node): Do not check if dumps
4221 * cgraphunit.c (cgraph_optimize): Likewise.
4223 2006-07-24 Jan Hubicka <jh@suse.cz>
4225 PR rtl-optimization/28071
4226 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4227 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4228 splitting before first stmt.
4230 2006-07-24 Jan Hubicka <jh@suse.cz>
4232 PR rtl-optimization/28071
4233 * ipa-inline.c (update_caller_keys): Remove edges that
4234 are no longer inline candidates.
4236 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4239 * dbxout.c (output_used_types_helper, output_used_types): New.
4240 (dbxout_symbol): Call output_used_types.
4242 2006-07-23 Jan Hubicka <jh@suse.cz>
4246 * cgraph.c (cgraph_varpool_nodes): Export.
4247 (decide_is_variable_needed): Ignored "used" attribute in
4248 unit-at-a-time mode.
4249 * cgraph.h (cgraph_varpool_nodes): Declare.
4250 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4251 unit-at-a-time mode.
4253 2006-07-23 Roger Sayle <roger@eyesopen.com>
4256 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4257 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4258 the __gthrw form of thr_keycreate.
4259 (__gthread_key_delete): Silence the unused argument warning.
4261 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4264 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4265 Cache the last found '\0' marker to avoid quadratic behavior.
4267 2006-07-23 Jan Hubicka <jh@suse.cz>
4269 * i386.md (subsi_3_zext): Fix output template.
4271 2006-07-21 Mike Stump <mrs@apple.com>
4273 * doc/invoke.texi (C++ Dialect Options): Note that
4274 -fvisibility-inlines-hidden doesn't affect explicitly
4275 instantiationed inline methods.
4277 2006-07-20 Roger Sayle <roger@eyesopen.com>
4279 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4280 if the target assembler is GNU binutils' gas.
4281 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4282 whether to pass GNU gas or native as command line options.
4284 2006-07-20 Jason Merrill <jason@redhat.com>
4286 * tree.c (remove_attribute): New fn.
4287 * tree.h: Declare it.
4289 2006-07-20 Paul Brook <paul@codesourcery.com>
4292 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4293 they are invalidated by this instruction.
4295 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4298 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4300 2006-07-20 Eric Christopher <echristo@apple.com>
4303 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4305 2006-07-19 Eric Christopher <echristo@apple.com>
4307 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4308 Rewrite dependencies for libgcc_s.1.dylib.
4310 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4312 * except.c (duplicate_eh_regions_1): Clear next_peer.
4314 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4316 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4317 -mlongcall does not guarantee all calls will be long.
4318 * doc/extend.texi (long_call/short_call): Document that longcall
4319 does not guarantee a long call will be used.
4320 (longcall/shortcall): Likewise.
4322 2006-07-18 Roger Sayle <roger@eyesopen.com>
4325 * expmed.c (expand_shift): Additionally check that the shift_cost
4326 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4327 before implementing a LSHIFT_EXPR as a sequence of additions.
4328 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4329 middle-end that DImode shifts need to be synthesized by expand.
4331 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4334 * tree-ssa-operands.c (access_can_touch_variable): Update
4336 Return true if ALIAS is .GLOBAL_VAR.
4338 2006-07-18 David Daney <ddaney@avtrex.com>
4340 * gcc.c (display_help): Fix typo in help text.
4342 2006-07-18 Olivier Hainque <hainque@adacore.com>
4344 * tree.h (categorize_ctor_elements): Adjust prototype and add
4345 descriptive comment, both in accordance with the interface change
4347 * varasm.c (constructor_static_from_elts_p): New function.
4348 Whether a constructor node is a valid static constant initializer
4349 if all its elements are.
4350 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4351 * output.h: Declare it.
4352 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4353 is a valid constant initializer instead of computing the number of
4354 non-constant elements. Use constructor_static_from_elts_p for this
4355 purpose. Replace the head comment with an indication that this is a
4356 helper for categorize_ctor_elements.
4357 (categorize_ctor_elements): Same interface change as for the _1
4358 helper. Former head comment from this helper moved here, adjusted to
4359 account for the interface changes.
4360 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4361 (all_zeros_p): Likewise.
4362 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4363 static versions of the constructor from the categorize_ctor_elements
4364 return value instead of the formerly computed number of non-constant
4367 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4369 * configure: Regenerate.
4370 * Makefile.in (build_libsubdir): New configure substitution
4371 (build_libobjdir): New variable.
4372 (BUILD_LIBIBERTY): Use it.
4374 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4377 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4379 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4382 * c-common.c (handle_weakref_attribute): Ignore attribute in
4383 the same conditions the alias attribute is ignored.
4385 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4387 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4388 (dbxout_begin_prologue): Increment scope_labelno.
4390 2006-07-17 Richard Henderson <rth@redhat.com>
4393 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4396 2006-07-17 Roger Sayle <roger@eyesopen.com>
4397 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4399 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4400 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4401 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4402 functions such as sbrk, write, etc.. Add function prototypes.
4403 Convert function declarations from K&R to ISO C. Cast pointers
4404 to "long" and "unsigned long" instead of "int" and "unsigned int".
4405 Convert tokens following #endif into comments.
4407 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4409 * invoke.texi: Remove mention of f77; Reformat table for
4410 inline parameter options correctly; mention that -malign-double
4411 is default on x86-64 targets.
4413 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4415 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4416 (convert_affine_scev, chrec_convert_aggressive): Use
4417 avoid_arithmetics_in_type_p. Do not check for the subtypes
4420 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4423 * optabs.c (expand_doubleword_shift): Wrap the call to
4424 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4426 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4429 * optabs.c (expand_binop): Pass next_methods rather than methods
4430 to expand_doubleword_shift.
4432 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4435 * tree.h (dump_addr): Declare.
4436 * print-tree.c (dump_addr): New function.
4437 (print_node_brief, print_node): Use it.
4438 * print-rtl.c (print_rtx): Likewise.
4439 * common.opt (-fdump-noaddr): New option.
4440 * doc/invoke.texi (-fdump-noaddr): Document.
4441 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4442 (ve_info_hash): Likewise.
4444 2006-07-13 Andrew Haley <aph@redhat.com>
4446 PR tree-optimization/19505
4447 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4448 edge leaving this block, make sure that the destination of this
4449 block has only one predecessor.
4451 2006-07-17 Richard Guenther <rguenther@suse.de>
4453 PR tree-optimization/28238
4454 * tree-inline.c (copy_bb): Check if we produced valid
4455 gimple copying and substituting a stmt. If not, gimplify
4458 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4460 * optabs.c (maybe_encapsulate_block): New function extracted from...
4461 (emit_libcall_block): ...here. Invoke it on the block of insns to
4462 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4463 (emit_no_conflict_block): Likewise.
4465 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4467 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4469 2006-07-15 Roger Sayle <roger@eyesopen.com>
4471 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4472 a new NOP_EXPR case of the switch statement.
4474 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4477 * stor-layout.c (place_field): Take the bit field with
4478 an excessive size into account in the ms-bitfiled case.
4481 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4482 the previous bit field.
4484 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4487 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4489 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4491 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4492 signal frames correctly even when the signal was installed with
4495 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4497 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4498 (dbxout_function_end): Use local label LFBB. Remove hook
4500 (dbxout_source_line): Use local label LFBB.
4501 (dbxout_block): Likewise.
4502 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4503 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4504 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4505 and DBX_OUTPUT_NFUN.
4507 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4509 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4511 2006-07-13 Jan Hubicka <jh@suse.cz>
4513 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4515 * output.h (align_variable): Declare.
4516 * varasm.c (align_variable): Export.
4517 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4518 when basic block changed.
4520 2006-07-13 Nick Clifton <nickc@redhat.com>
4522 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4523 walking the LOG_LINKS chain.
4525 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4527 * doc/invoke.texi (C++ Dialect Options): Explain difference
4528 between -fvisibility-inlines-hidden and setting hidden
4529 visibility explicitly.
4531 2006-07-12 Eric Christopher <echristo@apple.com>
4533 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4534 (stmp-lipo): Depend on libgcc.a.
4536 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4538 * tree.c: Fix a comment typo.
4540 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4542 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4544 (umulhisi3_r): Likewise.
4546 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4549 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4550 x < 19, vs wchar_t support.
4552 2006-07-12 Nick Clifton <nickc@redhat.com>
4554 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4555 instead of -isa=sh4.
4557 2006-07-12 Mike Stump <mrs@apple.com>
4559 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4561 2006-07-10 Eric Christopher <echristo@apple.com>
4563 * config/t-slibgcc-darwin: Rewrite.
4565 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4568 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4571 2006-07-08 Matthias Klose <doko@debian.org>
4573 * doc/sourcebuild.texi: Fix typo.
4575 2006-07-07 Mike Stump <mrs@apple.com>
4577 * toplev.c (process_options): Don't give -ffunction-sections may
4578 affect debugging warning for Mach-O.
4580 2006-07-07 James E Wilson <wilson@specifix.com>
4582 * config/mips/mips.md (cpu): Add sb1a.
4583 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4584 addition to sb1. Adjust comments to clarify SB-1A differences from
4586 (ir_sb1a_load): New. Modify bypasses to use it.
4587 (ir_sb1a_simple_alu): Likewise.
4588 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4589 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4590 (mips_issue_rate): Add PROCESSOR_SB1A.
4591 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4592 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4593 (TARGET_SB1): Add PROCESSOR_SB1A check.
4594 (TUNE_SB1): Likewise.
4596 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4597 * config/mips/mips.c (mips_store_data_bypass_p): New.
4598 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4599 store_data_bypass_p.
4601 2006-07-08 Paul Brook <paul@codesourcery.com>
4604 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4606 2006-07-07 Richard Guenther <rguenther@suse.de>
4609 * tree.h (build_one_cst): Declare.
4610 * tree.c (build_one_cst): New function.
4611 * tree-ssa-math-opts.c (get_constant_one): Remove.
4612 (insert_reciprocals): Use build_one_cst.
4613 * fold-const.c (fold_plusminus_mult): Likewise.
4615 2006-07-07 Roger Sayle <roger@eyesopen.com>
4617 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4618 * cfgloopanal.c (dump_graph): Likewise.
4619 * dojump.c (discard_pending_stack_adjust): Likewise.
4620 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4622 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4623 * function.c (finalize_block_changes): Likewise.
4624 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4625 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4626 * rtl.c (dump_rtx_statistics): Likewise.
4627 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4629 * varray.c (dump_varray_statistics): Likewise.
4630 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4631 decode_decimal64, encode_decimal128, decode_decimal128,
4632 decimal_real_to_decimal): Likewise.
4634 2006-07-07 Richard Guenther <rguenther@suse.de>
4636 PR tree-optimization/28187
4637 * tree-vrp.c (vrp_operand_equal_p): New function.
4638 (vrp_bitmap_equal_p): Likewise.
4639 (update_value_range): Use them to compare old and new
4642 2006-07-06 Roger Sayle <roger@eyesopen.com>
4644 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4645 a default case to switch statement to silence compiler warnings.
4647 2006-07-06 Roger Sayle <roger@eyesopen.com>
4650 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4651 the configured assembler supports the x87's ffreep mnemonic.
4652 * configure: Regenerate.
4653 * config.in: Regenerate.
4655 * config/i386/i386.c (output_387_ffreep): New function.
4656 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4657 (output_387_reg_move): Likewise.
4659 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4661 Port to hosts whose 'sort' and 'tail' implementations
4662 treat operands with leading '+' as file names, as POSIX
4663 has required since 2001. However, make sure the code still
4664 works on pre-POSIX hosts.
4665 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4666 which says you should use "tail -c +N" rather than "tail +Nc".
4667 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4669 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4671 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4674 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4677 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4678 PRE_{INC,DEC} of TFmode.
4680 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4681 Alan Modra <amodra@bigpond.net.au>
4684 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4687 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4690 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4691 Remove duplicate gtu.
4693 2006-07-05 Jason Merrill <jason@redhat.com>
4697 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4698 * c-common.c (handle_packed_attribute): So don't copy it here.
4699 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4701 2006-07-05 Mike Stump <mrs@apple.com>
4703 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4705 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4708 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4710 2006-07-05 Richard Guenther <rguenther@suse.de>
4713 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4714 TARGET_SSE2 targets if using SSE math.
4715 (*absdf2_1): Likewise.
4717 2006-07-05 Richard Guenther <rguenther@suse.de>
4719 PR tree-optimization/28162
4720 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4721 make sure to convert the operands to the correct type.
4723 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4725 PR tree-optimization/28218
4727 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4728 to calculate and free the dominator information.
4730 2006-07-04 Peter O'Gorman <peter@pogma.com>
4732 * mklibgcc.in: chmod 644 before ranlib during install.
4734 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4735 J"orn Rennecke <joern.rennecke@st.com>
4737 * configure.ac (.eh_frame data check): Use diff -b.
4739 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4742 * Makefile.in (BUILD_RTL): Add build/vec.o.
4743 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4744 (build/genextract): Delete.
4745 (build/genautomata): Likewise.
4747 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4750 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4751 128-bit IBM long doubles for ABI_V4.
4753 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4755 * tree.c (range_in_array_bounds_p): New predicate.
4756 * tree.h (range_in_array_bounds_p): Declare it.
4757 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4758 return a less conservative answer.
4759 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4760 and flag 'is_group'.
4761 (IS_ELEMENT_FOR_GROUP): New macro.
4762 (FOR_EACH_ACTUAL_CHILD): Likewise.
4763 (next_child_for_group): New helper function.
4764 (can_completely_scalarize_p): Take into account groups.
4765 (sra_hash_tree): Handle RANGE_EXPR.
4766 (sra_elt_eq): Likewise.
4767 (lookup_element): Be prepared for handling groups.
4768 (is_valid_const_index): Delete.
4769 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4770 instead of is_valid_const_index.
4771 <ARRAY_RANGE_REF>: New case.
4772 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4773 is_valid_const_index.
4774 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4775 (scan_dump): Dump info for groups too.
4776 (decide_instantiation_1): Likewise.
4777 (decide_block_copy): Assert that the element is not a group.
4778 Propagate decision to groups.
4779 (generate_one_element_ref): Handle RANGE_EXPR.
4780 (mark_no_warning): Iterate over actual childs.
4781 (generate_copy_inout): Likewise.
4782 (generate_element_copy): Likewise.
4783 (generate_element_zero): Likewise.
4784 (generate_element_init_1): Likewise.
4785 (dump_sra_elt_name): Handle RANGE_EXPR.
4787 2006-07-03 Roger Sayle <roger@eyesopen.com>
4789 PR tree-optimization/26251
4790 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4791 (thread_block): When optimizing for size refuse to thread jumps
4792 that would require duplication of blocks other than redirection
4795 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4797 * configure.ac: Fix thinko in previous check-in.
4798 * configure: Regenerate.
4800 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4803 * configure.ac (for lang...): Simplify nesting of conditionals.
4804 Test subdir_requires for non-enabled languages. Move processing
4805 of lang_opt_files and lang_tree_fiels below that test.
4806 * configure: Regenerate.
4807 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4809 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4811 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4813 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4815 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4818 2006-06-29 Jason Merrill <jason@redhat.com>
4825 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4826 * c-common.c (c_determine_visibility): Handle it here.
4827 * c-decl.c (finish_decl): Call c_determine_visibility for
4829 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4831 * varasm.c (default_assemble_visibility): Likewise.
4832 * c-common.c (handle_visibility_attribute): Complain about trying
4833 to give visibility to an already defined class, or trying to change
4834 declared visibility. Always attach the attribute.
4839 * attribs.c (decl_attributes): Ignore type-in-place attributes
4840 once the type has been defined.
4842 2006-06-29 Roger Sayle <roger@eyesopen.com>
4845 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4846 to indicate the cpplib has issued an error message for us.
4848 2006-06-29 Asher Langton <langton2@llnl.gov>
4851 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4852 insert a label at the end of an function under Mach-O.
4854 2006-06-29 Eric Christopher <echristo@apple.com>
4855 Evan Cheng <evan.cheng@apple.com>
4857 * predicates.md (vector_all_ones_operand): New.
4858 (nonimmediate_or_sse_const_operand): Ditto.
4859 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4860 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4861 (standard_sse_mode_p): Ditto.
4862 (standard_sse_constant_p): Add case for -1 vector.
4863 (ix86_expand_vector_move): Try to use.
4864 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4865 Call standard_sse_constant_opcode.
4866 (*movv4sf_internal): Ditto.
4867 (*movv2df_internal): Ditto.
4869 2006-06-29 Roger Sayle <roger@eyesopen.com>
4871 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4872 of XEXP to extract the operands of a MATCH_CODE rtx.
4874 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4876 * tree.c (tree_size): Do not waste tail padding in
4877 struct tree_string and make the size be the same as
4878 build_string will generate.
4880 2006-06-28 Jason Merrill <jason@redhat.com>
4883 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4884 may_aliases already in the tag's annotations to the bitmap.
4886 2006-06-28 Roger Sayle <roger@eyesopen.com>
4888 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4890 2006-06-28 Roger Sayle <roger@eyesopen.com>
4892 * genpreds.c (generate_switch_p): New function.
4893 (add_mode_tests): Push the new mode test down inside an AND expr
4894 if this allows the switch-suitable MATCH_CODE to be near the root.
4895 (write_match_code_switch): New function to write a MATCH_CODE as
4897 (write_predicate_stmts): New function to write a predicate RTX
4898 expression as a sequence of statements.
4899 (write_one_predicate_function): Use write_predicate_stmts.
4900 (write_tm_constrs_h): Likewise.
4902 2006-06-26 Fred Fish <fnf@specifix.com>
4904 * config/mips/t-sb1: New file.
4905 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4908 2006-06-26 DJ Delorie <dj@redhat.com>
4910 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4912 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4913 Jayant Sonar <jayants@kpitcummins.com>
4914 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4916 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4917 (subsi3, subsi3_1, subsi3_2): New.
4918 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4919 * config/m32c/mov.md (SI mov peephole): New.
4920 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4921 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4923 2006-06-26 Olivier Hainque <hainque@adacore.com>
4925 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4926 a CALL_EXPR target function declaration.
4928 2006-06-26 Richard Guenther <rguenther@suse.de>
4930 * tree.c (build_string): Do not waste tail padding in
4933 2006-06-26 Richard Guenther <rguenther@suse.de>
4935 * ggc-page.c (init_ggc): Add missing element to size_lookup
4939 2006-06-23 Richard Guenther <rguenther@suse.de>
4941 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4942 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4943 alignment requests instead. Add verification code.
4944 Add struct tree_function_decl and struct tree_binfo size to
4945 extra_order_size_table. Add missing element to size_lookup
4948 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4951 * fold-const.c (const_binop): Be prepared for self returning zero.
4952 Simplify code handling complex values.
4954 2006-06-24 Olivier Hainque <hainque@adacore.com>
4956 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4957 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4960 2006-06-24 Olivier Hainque <hainque@adacore.com>
4962 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4963 ARRAY_REF, so have the callback called for the low bound expression.
4965 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4967 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4968 * c-typeck.c (c_common_type): Disallow operations on decimal float
4969 types and other float types.
4970 * convert.c (convert_to_real): Don't ignore conversions involving
4971 decimal float types.
4973 2006-06-23 Olivier Hainque <hainque@adacore.com>
4975 * tree.c (max_int_size_in_bytes): New function, inspired from
4976 code in function.c:assign_temp.
4977 * tree.h (max_int_size_in_bytes): Declare.
4978 * function.c (assign_temp): Use it.
4979 * gimplify.c (create_tmp_var): Relax the assertions on the type
4980 properties, not mandating constant size any more.
4981 (force_constant_size): New static function.
4982 (gimple_add_tmp_var): Use it, forcing variable size to a
4983 constant upper bound if it is not constant on entry.
4985 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4988 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4989 for initialization and setting of one_only flag to ...
4990 (i386_pe_encode_section_info): ...here.
4991 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4992 Recheck that the symbol has not been defined.
4994 2006-06-23 Richard Guenther <rguenther@suse.de>
4996 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4997 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4998 alignment requests instead. Add verification code.
4999 Add struct tree_function_decl and struct tree_binfo size to
5000 extra_order_size_table. Add missing element to size_lookup
5003 2006-06-22 Roger Sayle <roger@eyesopen.com>
5004 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5007 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
5008 call to lang_hooks.types.type_for_mode returned NULL_TREE.
5010 2006-06-23 Ben Elliston <bje@au.ibm.com>
5012 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
5013 negate dn -- manipulate it directly.
5015 2006-06-22 Roger Sayle <roger@eyesopen.com>
5016 Steven Bosscher <stevenb.gcc@gmail.com>
5019 * reload1.c (gen_reload): Call mark_jump_label on the new insns
5020 generated by gen_move_insn to add REG_LABEL notes if necessary.
5022 2006-06-22 Bob Wilson <bob.wilson@acm.org>
5024 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
5025 (leaf_entry): Remove use of MIN_ESA.
5027 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
5029 PR rtl-optimization/28121
5030 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5033 2006-06-21 DJ Delorie <dj@redhat.com>
5035 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5037 (mulhisi3_r): Likewise.
5039 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5042 * coverage.c (coverage_counter_alloc): Leave the index type
5044 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5047 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5049 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5050 section from the "Options for Code Generation Conventions".
5052 2006-06-21 Richard Henderson <rth@redhat.com>
5056 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5058 (global_symbolic_operand): Allow weak symbols, even if local_p.
5060 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5062 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5063 (find_interesting_uses_address): Punt if above function returns true.
5065 2006-06-21 Richard Guenther <rguenther@suse.de>
5067 * configure: Regenerated.
5069 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5071 * config/mips/mips.c (function_arg): Where one part of a
5072 complex argument is in registers and the other part in the stack,
5073 return a REG not a PARALLEL.
5075 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5077 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5078 when cross-compiling. Do not substitute libstdcxx_incdir.
5079 * configure: Regenerated.
5081 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5083 * varasm.c (mergeable_string_section): Check for embedded NULs and
5084 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5085 rather than TREE_STRING_LENGTH bytes.
5087 2006-06-21 Richard Guenther <rguenther@suse.de>
5089 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5090 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5093 2006-06-21 Richrad Guenther <rguenther@suse.de>
5095 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5096 Limit iteration over the dominators.
5098 2006-06-20 Roger Sayle <roger@eyesopen.com>
5100 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5101 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5103 2006-06-20 Richard Guenther <rguenther@suse.de>
5104 Michael Matz <matz@suse.de>
5106 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5108 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5109 * et-forest.h (et_free_pools): Prototype new function.
5110 * et-forest.c (et_free_tree_force): Free parent occurrence.
5111 (et_free_pools): New function.
5112 * dominance.c (free_dominance_info): Free et-forest alloc
5115 2006-06-20 Roger Sayle <roger@eyesopen.com>
5117 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5118 integer modes, attempt to directly construct an integer constant.
5120 * fold-const.c (native_encode_vector): Determine the size of each
5121 element from the vector type instead of the first vector element.
5123 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5124 if all of its elements/components are constant.
5125 (build_constructor_from_list): Likewise.
5127 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5129 PR tree-optimization/27331
5130 * tree-data-ref.c (free_data_ref): New function.
5131 (create_data_ref): Fail if the data reference has unknown access
5133 (free_data_refs): Use free_data_ref.
5135 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5138 * tree-inline.c (setup_one_parameter): Strip useless
5139 type conversion before adding it to the IR.
5140 (declare_return_variable): Likewise.
5142 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5145 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5147 2006-06-19 Mike Stump <mrs@apple.com>
5149 * tree.c (variably_modified_type_p): VM arguments don't make the
5152 2006-06-19 Richard Guenther <rguenther@suse.de>
5154 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5155 type conversions after folding.
5157 2006-06-19 Richard Guenther <rguenther@suse.de>
5159 * ggc-page.c (extra_order_size_tab): Add entries with
5160 size of struct function and basic_block.
5161 (size_lookup): Extend to cover sizes up to 511.
5162 (ggc_alloc_stat): Adjust user.
5163 (ggc_pch_count_object): Likewise.
5164 (ggc_pch_alloc_object): Likewise.
5165 (ggc_pch_write_object): Likewise.
5167 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5169 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5170 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5173 2006-06-19 Denis Chertykov <denisc@overta.ru>
5175 * config/avr/libgcc.S : Correct my wrong previous commit.
5177 2006-06-19 Roger Sayle <roger@eyesopen.com>
5180 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5181 have stripped a SUBREG from the shift count, so we may need to
5182 convert_to_mode back to the type's mode before calling make_tree.
5183 Use new_amount instead of amount to avoid expanding a tree twice.
5185 2006-06-19 Richard Guenther <rguenther@suse.de>
5188 * fold-const.c (operand_equal_p): Check if the argument types
5189 have the same precision before stripping NOPs.
5191 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5193 Fix PR tree-optimization/27341
5194 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5196 * tree-complex.c (pass_lower_complex): Update SMT usage.
5198 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5200 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5201 Add a new alternative to the constraint strings. Add move of
5202 operand 1 to 3 to the splitter definition.
5203 ("doloop_si_long"): Second contraint alternative removed.
5205 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5207 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5208 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5210 (AVR_HAVE_MOVW) Define.
5211 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5212 (ASM_SPEC): Add avr25.
5213 (LINK_SPEC): Add avr25.
5214 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5215 (base_arch_s): Add new member 'have_movw_lpmx'.
5216 (avr_arch_types): Init 'have_movw_lpmx'.
5217 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5218 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5219 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5220 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5221 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5223 (avr_file_start): Do not output '.arh' derective.
5224 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5225 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5226 * config/avr/avr.md (mcu_enhanced): Delete.
5227 (mcu_have_movw): Define.
5228 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5229 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5230 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5231 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5232 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5233 attiny861 and at86rf401 devices.
5235 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5237 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5240 2006-06-17 Karl Berry <karl@gnu.org>
5242 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5243 doc/gccint.texi, doc/install.texi (@dircategory): Use
5244 "Software development" instead of "Programming", following
5245 the Free Software Directory.
5247 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5249 * config/i386/i386.c (legitimate_tls_address)
5250 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5251 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5252 (*tls_dynamic_gnu2_combine_64): Likewise.
5254 2006-06-16 Richard Guenther <rguenther@suse.de>
5257 * fold-const.c (negate_expr_p): Do not introduce undefined
5258 overflow in negating INTEGER_CSTs.
5259 (fold_negate_expr): Rename from negate_expr. Revert last
5260 change for folding BIT_NOT_EXPR. Change semantics to
5261 return NULL_TREE for non-simplified negations. Do not
5262 strip type conversions and unify type handling.
5263 (negate_expr): New function, wrap around fold_negate_expr
5264 but ensure building a tree always. Strip type conversions
5265 here, fold to result type.
5266 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5268 2006-06-16 Roger Sayle <roger@eyesopen.com>
5271 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5272 that (would) return their results in stack registers.
5274 2006-06-16 Michael Matz <matz@suse.de>
5275 Richard Guenther <rguenther@suse.de>
5277 * fold-const.c (fold_truthop): Only return new tree node if
5278 we canonicalized something.
5280 2006-06-16 Richard Guenther <rguenther@suse.de>
5282 * function.h (enum function_frequency): Move declaration
5283 out of struct function.
5284 (struct function): Move bool fields and the enum to the bitfield
5285 section. Reorder elements to avoid padding. Remove unused
5286 fields left over from the RTL inliner removal.
5287 * function.c (free_after_compilation): Do not zero removed fields.
5288 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5289 (ipa-type-escape.o): Likewise.
5291 2006-06-16 Richard Guenther <rguenther@suse.de>
5293 * cgraph.h (struct cgraph_local_info): Turn bool elements
5295 (struct cgraph_node): Likewise.
5296 (struct cgraph_varpool_node): Likewise.
5298 2006-06-15 Richard Guenther <rguenther@suse.de>
5300 * fold-const.c (fold_truth_not_expr): Rename from
5301 invert_truthvalue. Give it fold_* semantics to avoid
5303 (invert_truthvalue): New function. Wrapper around
5304 fold_truth_not_expr.
5305 (optimize_minmax_comparison): Avoid creating garbage.
5306 (fold_unary): Use fold_truth_not_expr for folding
5308 (fold_ternary): Replace uses of invert_truthvalue with
5309 fold_truth_not_expr where applicable.
5310 * tree.h (fold_truth_not_expr): Prototype.
5312 2006-06-16 Richard Guenther <rguenther@suse.de>
5314 PR tree-optimization/27781
5315 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5316 * ipa-pure-const.c (target.h): Include.
5317 (analyze_function): Do not analyze functions that do not
5320 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5323 * tree-dfa.c (referenced_vars_dup_list): Remove.
5324 (find_referenced_vars): Remove assert.
5325 (referenced_var_check_and_insert): Replace dup list with assert.
5326 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5327 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5329 2006-06-15 Richard Guenther <rguenther@suse.de>
5331 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5332 extra unused identifiers if not dumping.
5333 (create_variable_info_for): Likewise.
5335 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5337 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5338 (derive_constant_upper_bound): Derive more precise upper bound in
5339 common cases. Return type changed to double_int.
5340 (record_estimate): Reflect the changed return type of
5341 derive_constant_upper_bound.
5342 * double-int.c (double_int_zext, double_int_sext): Fix.
5344 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5346 * configure.ac (CFLAGS): Get them from the toplevel or from the
5347 configure invocation.
5348 * configure: Regenerate.
5349 * Makefile.in (CFLAGS): Substitute value provided by configure.
5351 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5354 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5355 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5356 rather than calling add_stmt on it.
5357 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5359 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5362 * reload1.c (reload): Remove registers returned by update_eliminables
5363 from used_spill_regs.
5365 2006-06-13 DJ Delorie <dj@redhat.com>
5367 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5369 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5371 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5372 html__strip_dir, html__mkdir_p. Enhance install-html target.
5373 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5374 * configure: Regenerate.
5376 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5378 * fold-const.c (fold_cond_expr_with_comparison): Check for
5379 Objective-C++ as language in deciding COND_EXPR transformation.
5381 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5384 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5385 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5386 * config/sh/lib1funcs.h (SL, SL1): Define.
5387 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5388 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5389 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5390 (OBJS_Os_4_200): New variable.
5391 ($(T)libgcc-Os-4-200.a): Use it.
5392 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5393 when dividing 1 and/or by 0.
5395 2006-06-13 Roger Sayle <roger@eyesopen.com>
5397 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5398 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5399 * configure: Regenerate.
5401 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5403 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5404 for real instruction.
5406 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5409 * haifa-sched.c (check_cfg): Handle special case.
5411 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5414 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5415 Add debug_info parameter. Chain the vars to the BLOCK instead
5416 of the BIND_EXPR if debug info are requested for them.
5417 (pop_gimplify_context): Adjust for above change.
5418 (gimple_add_tmp_var): Likewise.
5419 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5421 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5422 (convert_local_reference): Likewise.
5423 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5424 (finalize_nesting_tree_1): Request that debug info be emitted
5425 for debug_var_chain.
5427 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5429 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5430 for PR target/27863.
5432 2006-06-13 Richard Guenther <rguenther@suse.de>
5435 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5437 2006-06-13 Richard Guenther <rguenther@suse.de>
5439 PR tree-optimization/27830
5440 * tree-inline.c (copy_body_r): For copying the operand
5441 of an ADDR_EXPR make sure to fold &* afterwards.
5443 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5445 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5446 lvalues in the fb_none case with side-effects.
5448 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5450 * tree-flow.h: Remove the prototype for
5451 compute_phi_arg_on_exit.
5452 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5453 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5456 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5458 * builtins.c (expand_builtin_return_addr): Only use
5459 frame_pointer_rtx when count == 0 and we are expanding
5460 __builtin_return_address.
5462 2006-06-12 Fred Fish <fnf@specifix.com>
5464 * config/mips/mips.c (mips_file_start): Create special section
5465 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5467 2006-06-11 Eric Christopher <echristo@apple.com>
5470 * stor-layout.c (place_field): Remove check for
5471 remaining_in_alignment when aligning at the end of a run.
5473 2006-06-11 Eric Christopher <echristo@apple.com>
5476 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5479 2006-06-11 Roger Sayle <roger@eyesopen.com>
5482 Revert incorrect fix for PR target/27158
5483 2006-05-08 Roger Sayle <roger@eyesopen.com>
5484 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5485 of a reg_equiv_constant if the result is a legitimate constant.
5487 2006-06-11 Roger Sayle <roger@eyesopen.com>
5490 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5491 extract a CONST_VECTOR element and interpret it as an integer.
5492 (vspltis_constant): Use const_vector_elt_as_int instead of the
5493 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5494 * config/rs6000/predicates.md (easy_vector_const): Consider
5495 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5497 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5500 * stor-layout.c (update_alignment_for_field): Don't add extra
5501 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5504 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5506 * config/mips/t-rtems: Add EL/EB multilib variants.
5508 2006-06-09 Mike Stump <mrs@apple.com>
5510 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5512 2006-06-09 David Daney <ddaney@avtrex.com>
5514 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5516 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5518 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5520 2006-06-09 Richard Guenther <rguenther@suse.de>
5522 PR tree-optimization/26998
5523 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5524 of signed types, only TYPE_MIN_VALUE is special, but for both,
5525 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5526 in this case, as is -fwrapv.
5528 2006-06-08 Mike Stump <mrs@apple.com>
5531 * config/darwin.c (darwin_asm_output_anchor): Disable
5532 -fsection-anchors on darwin for now.
5533 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5534 * rs6000/rs6000.c (optimization_options): Likewise.
5536 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5539 * config/i386/i386.c (classify_argument): Skip fields with invalid
5542 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5544 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5545 (cse_insn): Likewise for the stack_pointer_rtx.
5547 2006-06-08 Roger Sayle <roger@eyesopen.com>
5549 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5550 conditions from floating point comparisons.
5552 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5555 * expmed.c (struct alg_hash_entry): Fix type of field T
5556 to match synth_mult argument.
5557 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5559 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5562 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5565 2006-06-08 Richard Guenther <rguenther@suse.de>
5568 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5569 only, if overflow is defined and not trapping.
5570 (negate_expr): Likewise.
5572 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5574 PR tree-optimization/27872
5575 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5576 flag on the new exit edge of the unrolled loop.
5578 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5580 PR rtl-optimization/26449
5581 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5583 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5586 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5587 referenced_variables with matching DECL_UID's.
5588 (find_referenced_vars): Make sure duplicate list is empty to start.
5589 (referenced_var_p): Remove.
5590 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5591 Check if var is in the list, and add if needed. Update the duplicate
5592 list if a different var is in the list with the same DECL_UID.
5593 (add_referenced_var): Call routine to check and insert.
5594 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5595 * tree-flow.h (referenced_vars_dup_list): External declaration.
5597 2006-06-07 Fred Fish <fnf@specifix.com>
5599 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5602 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5605 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5606 the imaginary and real parts of a clobbered register.
5607 Emit insn to set the imaginary part.
5609 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5611 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5612 in lieu of unwind-dw2-fde.c.
5614 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5616 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5618 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5621 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5622 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5623 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5624 V4SImode temporaries and operations instead.
5626 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5628 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5631 2006-06-06 Mike Stump <mrs@apple.com>
5633 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5634 installing during build.
5636 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5638 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5640 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5641 * config/ia64/ia64.c (params.h): New header.
5642 (ia64_optimization_options): New function to adjust parameters.
5643 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5644 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5645 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5647 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5649 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5651 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5654 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5656 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5657 Victor Kaplansky <victork@il.ibm.com>
5659 PR tree-optimization/26360
5660 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5663 2006-06-04 Roger Sayle <roger@eyesopen.com>
5664 Andrew Pinski <pinskia@physics.uc.edu>
5667 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5668 for LABEL_DECL before calling DECL_WEAK.
5671 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5672 LABEL_DECL and PARM_DECL.
5674 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5678 * c-decl.c (grokdeclarator): Disallow variably modified types at
5679 file scope. Avoid marking shared array type of constant size as
5682 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5685 * c-common.c (fold_offsetof_1): Handle static members.
5687 2006-06-04 Eric Christopher <echristo@apple.com>
5689 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5690 (debug_rli): Output value for remaining_in_alignment.
5691 (update_alignment_for_field): Unconditionalize
5692 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5693 extra alignment code.
5694 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5695 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5696 * tree.h (record_layout_info_s): Remove prev_packed.
5697 * doc/extend.texi (ms_struct): Add documentation of format.
5699 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5701 * tree.h: Declare folding_initializer.
5702 * builtins.c (fold_builtin_constant_p): Give definite answer
5703 if folding inside an initializer.
5704 * fold-const.c: Define folding_initializer.
5705 (START_FOLD_INIT): Save and then set folding_initializer.
5706 (END_FOLD_INIT): Restore folding_initializer.
5708 2006-06-04 Richard Guenther <rguenther@suse.de>
5710 PR tree-optimization/27039
5711 * fold-const.c (fold_comparison): Handle pointer comparison
5712 again for all comparison codes. Compare offsets in signed
5714 (fold_binary): Move code from here.
5716 2006-06-03 Roger Sayle <roger@eyesopen.com>
5719 * config/i386/i386.c (construct_container): Split static issued_error
5720 flag into issued_sse_arg_error, issued_sse_ret_error and
5721 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5722 requires the use of x87 registers and the user explicitly
5723 specified the -mno-80387 command line option.
5725 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5727 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5728 HAVE_DECL_SIGALTSTACK.
5730 (segv_handler): Use MC_FLD.
5731 * configure.ac: Check for a sigaltstack declaration.
5732 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5733 * configure: Regenerate.
5734 * config.in: Regenerate.
5736 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5739 * Makefile.in (stmp-fixinc): Fix typo.
5741 2006-06-02 Roger Sayle <roger@eyesopen.com>
5743 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5744 are type correct. Clean-up.
5745 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5746 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5748 2006-06-01 DJ Delorie <dj@redhat.com>
5750 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5751 shift, as we've disabled the "switch" insn that needs it.
5753 2006-06-01 Per Bothner <bothner@bothner.com>
5755 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5756 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5757 * c-ppoutput.c (cb_define): Don't increment line 0.
5759 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5761 * doc/invoke.texi: Add cpu_type power6.
5762 * config.gcc: Add cpu_type power6.
5763 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5764 to power5+ with Altivec.
5765 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5766 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5768 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5770 * config/avr/avr.h (SET_ASM_OP): Define.
5772 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5774 * config/bfin/bfin.c: Fix comment typos.
5776 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5779 * doc/install.texi: Document --enable-bootstrap and
5780 --disable-bootstrap.
5782 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5784 * doc/install.texi: Document that InfoZIP can replace jar.
5786 2006-05-31 Roger Sayle <roger@eyesopen.com>
5788 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5789 isn't available, directly generate the simpler x87 patterns without
5790 the (use (const_int 0)).
5791 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5792 implementation isn't available.
5793 (*negdf2_1): Likewise.
5794 (*negxf2_1): XF mode negation is always done using the x87.
5795 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5797 2006-05-31 Roger Sayle <roger@eyesopen.com>
5799 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5800 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5802 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5804 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5806 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5807 * config/bfin/bfin.c (basic-block.h): Include.
5808 (struct machine_function): New.
5809 (bfin_init_machine_status): New.
5810 (override_options): Initialize init_machine_status.
5811 (bfin_hardware_loop): New.
5812 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5813 (DEF_VEC_P (loop_info)): New.
5814 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5815 (struct loop_info): New.
5816 (loop_info): New typedef.
5817 (struct loop_work): New.
5818 (loop_work): New typedef.
5819 (DEF_VEC_O (loop_work)): New.
5820 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5821 (bfin_dump_loops): New.
5822 (bfin_bb_in_loop): New.
5823 (bfin_scan_loop): New.
5824 (bfin_optimize_loop): New.
5825 (bfin_reorg_loops): New.
5826 (bfin_reorg): Use bfin_reorg_loops.
5827 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5829 (I_REGNO_P): Simplify.
5830 (DP_REGNO_P, DPREG_P): New macros.
5831 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5832 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5833 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5834 Add LT_REGS, LC_REGS, LB_REGS.
5835 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5837 (REGNO_REG_CLASS): Deal with loop registers.
5838 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5840 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5841 New constants for loop registers.
5842 (UNSPEC_LSETUP_END): New.
5843 (seq_insns): New define_attr. Set it for appropriate insns.
5844 (movsi_insn): Add alternatives for move from/to
5845 loop count registers.
5846 (doloop_end): New define_expand.
5847 (loop_end): New define_insn.
5848 (define_split for bad doloop_end): New.
5849 (lsetup_with_autoinit): New define_insn.
5850 (lsetup_without_autoinit): New define_insn.
5851 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5852 * config/bfin/predicates.md (lc_register_operand): New.
5853 (lt_register_operand): New.
5854 (lb_register_operand): New.
5855 (nondp_register_operand): New.
5856 (nondp_reg_or_memory_operand): New.
5857 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5859 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5861 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5862 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5864 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5866 * Makefile.in (CATALOGS): Add po/ prefix.
5867 * configure: Regenerated.
5869 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5872 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5873 a shift operand before calling shift_op. Avoid redundant call of
5876 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5877 DJ Delorie <dj@redhat.com>
5879 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5880 we're inserting is a singlt-bit constant.
5882 2006-05-30 Roger Sayle <roger@eyesopen.com>
5884 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5885 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5887 2006-05-30 Roger Sayle <roger@eyesopen.com>
5889 PR tree-optimization/23452
5890 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5891 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5892 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5893 complex values and with -ffast-math for FP complex values.
5895 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5897 * c-common.h: Remove the prototype for yyparse.
5898 * rtl.h: Remove the prototype for init_loop.
5900 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5902 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5905 2006-05-30 Roger Sayle <roger@eyesopen.com>
5907 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5909 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5910 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5912 2006-05-30 Dirk Mueller <dmueller@suse.de>
5915 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5916 for CONSTANT_CLASS_P expresisons.
5918 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5921 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5923 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5925 PR tree-optimization/27779
5926 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5927 initial_condition instead of CHREC_LEFT.
5929 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5931 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5932 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5933 Make prototypes ISO C90.
5935 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5936 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5938 * see.c (see_analyze_one_def): Correct check.
5939 (see_get_extension_data): Check if extension is parallel.
5940 (see_get_extension_reg): Likewise.
5942 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5945 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5946 into register for (code == GTU).
5948 2006-05-29 Roger Sayle <roger@eyesopen.com>
5950 PR tree-optimization/24964
5951 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5952 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5953 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5954 abs(x)*abs(x) as x*x for scalar floating point modes.
5956 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5959 * lambda-code.c (perfect_nestify): Don't copy statements
5960 in the inner loop: move them to the inner loop header.
5962 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5965 * c-tree.texi: Document OpenMP directives and clauses.
5967 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5969 * varasm.c (globalize_decl): Fix indentation.
5971 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5974 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5975 pass_fre, pass_store_ccp, pass_copy_prop,
5976 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5977 pass_return_slot, pass_object_size, pass_lim,
5978 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5979 pass_loop_prefetch and pass_stdarg.
5981 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5983 * config/bfin/bfin.opt (mfdpic): New option.
5984 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5985 (EXTRA_MULTILIB_PARTS): Likewise.
5986 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5987 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5989 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5990 (CRT_CALL_STATIC_FUNCTION): New.
5991 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5993 (CRT_CALL_STATIC_FUNCTION): New.
5994 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5996 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5997 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5998 (initialize_trampoline): Changed to handle FD-PIC code generation.
5999 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
6000 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
6001 (override_options): Disallow -mid-shared-library -mfdpic combination.
6002 Can't do unaligned ops if FD-PIC.
6003 Turn off flag_pic if trying to generate non-id-shared-library
6004 non-fdpic code, since it's not supported.
6005 (bfin_assemble_integer): New function.
6006 (TARGET_ASM_INTEGER): Define.
6007 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
6009 * config/bfin/crtn.s: Restore them.
6010 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
6012 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
6013 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
6014 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
6015 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
6016 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
6018 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
6019 FDPIC_REGS and FDPIC_FPTR_REGS.
6020 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
6021 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
6022 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
6023 (load_funcdescsi): New pattern.
6024 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
6025 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
6026 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6028 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6030 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6033 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6035 * tree-flow.h: Remove the prototype for add_type_alias.
6036 * tree-ssa-alias.c (add_type_alias): Remove.
6038 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6040 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6041 config/fr30/fr30.md, config/i386/i386-interix.h,
6042 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6043 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6044 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6045 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6046 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6047 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6048 Follow spelling conventions.
6049 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6050 Follow spelling conventions.
6052 2006-05-27 Richard Guenther <rguenther@suse.de>
6055 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6056 to produce a constant of value 1 of generic type.
6058 2006-05-27 Dirk Mueller <dmueller@suse.de>
6060 * cgraphunit.c (decide_is_function_needed): Fix wrong
6063 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6065 PR rtl-optimization/27661
6066 * reload.c (find_reloads): When reloading a VOIDmode constant
6067 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6068 use Pmode as mode of the reload register.
6070 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6072 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6073 is enabled at -O and above.
6075 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6078 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6081 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6084 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6085 for anonymous variables explicitly declared by front ends.
6087 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6089 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6090 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6091 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6092 ref-all pointers, run a finalization pass for them.
6093 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6094 (finalize_ref_all_pointers): New function.
6095 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6096 regular pointer type to a ref-all pointer type.
6097 (get_tmt_for): Return the special memory tag for ref-all pointers.
6099 2006-05-25 Richard Guenther <rguenther@suse.de>
6102 * fold-const.c (fold_binary): Do not look at the stripped
6103 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6105 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6107 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6108 for LT and GT if the computed range is effectively empty.
6110 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6113 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6114 mips_quad_format formats instead of ieee_single_format,
6115 ieee_double_format and ieee_quad_format formats, respectively.
6117 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6119 PR tree-optimization/27639
6120 PR tree-optimization/26719
6121 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6122 call to scev_probably_wraps_p.
6123 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6124 used_in_pointer_arithmetic_p, convert_step): Removed.
6125 (nowrap_type_p): New function.
6126 (scev_probably_wraps_p): Rewritten.
6127 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6128 chrec_convert if chrec_convert_aggressive might have been used.
6129 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6130 scev_direction): New functions.
6131 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6132 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6133 instead of convert_step.
6134 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6135 (convert_step): Declaration removed.
6136 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6138 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6140 * df-core.c: Added to header comments.
6141 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6142 df_ur_bb_info, df_urec_bb_info): Added comments.
6143 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6144 urec, ri problems): Fixed header comments.
6145 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6146 code from df_rd_transfer_function.
6148 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6150 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6151 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6152 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6154 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6156 * expr.c (undefined_operand_subword_p): New.
6157 (emit_move_multi_word): Do not generate move from undefined bits
6158 of a paradoxical subreg.
6160 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6162 PR rtl-optimization/27736
6163 * combine.c (replaced_rhs_value): New variable.
6164 (combine_instructions): Set it.
6165 (distribute_notes): When distributing a note in replaced_rhs_insn,
6166 check whether the value was used in replaced_rhs_value.
6168 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6171 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6172 add_referenced_var instead of add_referenced_tmp_var.
6173 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6174 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6176 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6177 tree_optimize_tail_calls_1): Use add_referenced_var.
6178 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6179 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6180 Use add_referenced_var.
6181 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6182 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6183 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6184 Use add_referenced_var.
6185 * tree-dfa.c (struct walk_state): Remove.
6186 (find_referenced_vars): Remove walk state and vars_found hash table.
6187 (make_rename_temp): Use add_referenced_var.
6188 (find_vars_r): Pass less parameters to add_referenced_var.
6189 (referenced_var_p): New. Is var in referenced_var hash table.
6190 (referenced_var_insert): Assert var isn't already in hash table.
6191 (add_referenced_var): Don't need walk_state parameter. Add var if it
6192 isn't already in the hash table.
6193 (add_referenced_tmp_var): Remove.
6194 (find_new_referenced_vars_1): Use add_referenced_var.
6195 * tree-ssa-pre.c (create_expression_by_pieces,
6196 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6197 Use add_referenced_var.
6198 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6199 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6200 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6202 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6203 vect_create_data_ref_ptr, vect_create_destination_var,
6204 vect_init_vector, vect_build_loop_niters,
6205 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6206 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6207 Use add_referenced_var.
6208 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6209 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6210 (add_referenced_var): Add prototype.
6211 * tree-ssa-structalias.c (get_constraint_for,
6212 intra_create_variable_infos): Use add_referenced_var.
6214 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6216 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6217 big-endian paradoxical subregs.
6218 * var-tracking.c (struct micro_operation_def): Document that,
6219 for modify micro operations, insn is the subsequent instruction.
6220 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6221 (var_reg_set, var_mem_set): ... new functions.
6222 (add_stores): Record subsequent insn.
6223 (compute_bb_dataflow): Use new functions for MO_USE.
6224 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6225 notes after the insn, and modify notes before the insn known
6226 to be the subsequent one.
6227 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6229 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6232 * config/i386/i386.c (ix86_expand_builtin): Use
6233 gen_sse3_monitor64 for TARGET_64BIT.
6235 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6237 PR rtl-optimization/26375
6238 PR rtl-optimization/26855
6239 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6241 (df_ru_bb_local_compute): Reversed statements and removed bogus
6242 comment explaining why they should be in wrong order.
6243 (df_ru_dump, df_rd_dump): Enhanced debug info.
6244 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6246 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6247 reaching uses and fixed space problem.
6249 2006-05-23 Jan Hubicka <jh@suse.cz>
6251 * cgraphunit.c (decide_is_function_needed): Also nested functions
6252 and functions declared inline can be optimized out at -O0.
6254 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6256 * doc/install.texi (Configuration): Remove reference to CrossGCC
6260 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6263 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6264 ix86_compare_emitted is non-NULL.
6266 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6269 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6272 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6274 PR rtl-optimization/25514
6275 * combine.c (replaced_rhs_insn): New variable.
6276 (combine_instructions): Set replaced_rhs_insn when trying to replace
6277 a SET_SRC with a REG_EQUAL note.
6278 (distribute_notes): Use replaced_rhs_insn when determining the live
6279 range of a REG_DEAD register.
6281 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6282 Anatoly Sokolov <aesok@post.ru>
6284 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6285 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6286 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6287 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6288 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6289 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6290 at90usb647, at90usb1286 and at90usb1287 devices.
6291 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6292 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6294 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6296 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6298 2006-05-22 Richard Guenther <rguenther@suse.de>
6301 2006-01-31 Richard Guenther <rguenther@suse.de>
6302 Paolo Bonzini <bonzini@gnu.org>
6304 * doc/install.texi (--disable-libgcc-math): Document.
6306 2006-05-22 Richard Guenther <rguenther@suse.de>
6309 2006-01-31 Richard Guenther <rguenther@suse.de>
6311 * doc/invoke.texi (-msselibm): Document.
6312 * target.h (expand_library_builtin): New target hook.
6313 * builtins.c (expand_builtin): Use expand_library_builtin.
6314 (default_expand_library_builtin): New function.
6315 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6316 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6317 (link_gcc_math_spec): Declare.
6318 (static_specs): Add link_gcc_math_spec.
6319 * expr.h (default_expand_library_builtin): Declare.
6320 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6321 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6322 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6323 * config/i386/i386.opt (msselibm): New target option.
6324 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6325 (ix86_init_sse_abi_builtins): New function.
6326 (ix86_expand_library_builtin): Likewise.
6327 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6328 (override_options): Handle error conditions wrt -msselibm.
6329 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6330 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6331 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6334 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6337 * c-common.c (self_promoting_args_p): Skip erroneous args.
6340 * c-decl.c (finish_struct): Skip erroneous fields.
6342 2006-05-22 Nick Clifton <nickc@redhat.com>
6344 * config/cris/cris.opt (march): Remove VarExists attribute.
6345 (max-stackframe=): Likewise.
6347 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6349 * doc/rtl.texi: Fix a typo.
6350 * see.c: Fix comment typos.
6352 * tree-ssa-structalias.h (alias_info): Remove num_references.
6354 2006-05-21 Mike Stump <mrs@apple.com>
6356 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6358 (darwin_pragma_options): Use BAD instead.
6359 (darwin_pragma_unused): Likewise.
6360 (darwin_pragma_ms_struct): Likewise.
6362 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6364 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6366 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6368 PR rtl-optimization/27671
6369 * simplify-rtx.c (simplify_relational_operation_1): Fix
6370 simplifications of (eq/ne (xor x y) y) and
6371 (eq/ne (xor x y) x).
6373 PR tree-optimization/26622.
6374 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6377 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6379 * tree-cfg.c: Prune whitespace.
6380 (debug_tree_cfg): Point to correct header containing the
6383 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6386 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6388 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6391 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6392 or sorry count is non zero.
6394 2006-05-20 Andreas Schwab <schwab@suse.de>
6396 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6398 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6399 Kenneth Zadeck <zadeck@naturalbridge.com>
6401 PR rtl-optimization/26855
6403 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6405 (df_scan_alloc): Added code to properly handle multiword hard
6406 registers and add all_blocks parameter.
6407 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6408 code to properly handle multiword hard registers.
6409 (df_rescan_blocks): Added code to remove deleted blocks from
6411 (df_ref_create_structure, df_ref_record): Added code to properly
6413 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6414 and set DF_REF_PARTIAL.
6415 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6416 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6417 (df_scan_add_problem): Added flags parameter.
6418 (df_ref_create_structure): Changed switching structure.
6419 (df_bb_refs_record): Fixed case where duplicate artificial refs
6420 were created. Changed location of flags.
6421 (df_record_entry_block_defs): Added code to make stack pointer
6422 live in entry block. Refined cases where frame pointer is needed.
6423 Changed location of flags.
6424 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6425 (df_set_state): Removed function.
6426 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6427 df_insn_create_insn_record, df_insn_refs_delete,
6428 df_ref_create_structure): Formatting changes.
6429 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6430 df_delete_basic_block): New function.
6431 (df_init): Changed location of flags.
6432 (df_add_problem): Added flags parameter and the way flags are
6434 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6435 debug_df_chain): Improved debugging output.
6436 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6437 (df_refs_chain_dump): Removed df parameter.
6438 (df_iterative_dataflow): Added consistency check.
6439 (df_prune_to_subcfg): Made public.
6440 (df_analyze_problem): Added blocks_to_init parameter and made
6442 (df_ref_record, df_bb_refs_record, df_mark_reg,
6443 df_record_exit_block_uses): Whitespace changes.
6444 (df_dump): Whitespace changes.
6445 * df.h: Some reordering to remove forward references.
6446 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6447 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6448 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6449 (dataflow.flags): New field.
6450 (df.flag): Deleted field.
6451 (df_alloc_function): Added additional bitmap parameter.
6452 (df_dependent_problem_function): New type.
6453 (df_problem.changeable_flags): New field.
6454 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6455 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6456 (df_mw_hardreg): New struct.
6457 (DF_INSN_UID_MWS): New macro.
6458 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6460 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6461 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6462 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6463 (df_set_state): Removed function.
6464 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6465 * df-problems.c (df_chain_dump): Removed df parameter.
6466 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6467 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6469 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6470 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6471 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6472 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6473 DF_REF_MUST_CLOBBER cases.
6474 (df_ru_bb_local_compute_process_def,
6475 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6476 df_lr_bb_local_compute, df_ur_bb_local_compute,
6477 df_chain_create_bb): Made subreg aware.
6478 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6479 df_lr_bb_local_compute, df_lr_bb_local_compute,
6480 df_chain_create_bb): Cleanup to use proper macros.
6481 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6482 code to fixup bitvectors.
6483 (df_ri_alloc): Cleared lifetime.
6484 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6485 df_create_unused_note): New function.
6486 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6487 REG_DEAD and REG_UNUSED notes as well as register information.
6488 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6489 df_chains_dump): Fixed crash if problem was never run.
6490 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6491 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6492 df_ri_add_problem): Processes flags in uniform manner.
6493 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6494 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6495 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6496 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6497 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6498 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6499 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6500 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6501 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6502 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6503 * see.c (see_initialize_data): Ditto.
6504 * final.c (rest_of_clean_state) Added regstack_completed.
6505 * rtl.h (regstack_completed): Ditto.
6506 * reg-stack.c (regstack_completed): Ditto.
6508 2006-05-19 Mike Stump <mrs@apple.com>
6510 * c-tree.h (default_conversion): Remove.
6511 * c-common.h (default_conversion): Add.
6513 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6515 * tree-vrp.c (valid_value_p): New function.
6516 (adjust_range_with_scev): Fail if the value of bound is not
6519 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6521 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6522 (mips_fallback_frame_state): Use syscall numbers to determine
6523 the appropriate li instruction for the current ABI. Only use
6524 __NR_sigreturn for o32.
6526 2006-05-19 Nicolas Setton <setton@adacore.com>
6528 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6529 * langhooks.c (lhd_dwarf_name): New function.
6530 * langhooks-def.h (lhd_dwarf_name): Declare.
6531 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6532 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6533 * ada/misc.c (gnat_dwarf_name): New function.
6534 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6536 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6538 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6540 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6541 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6542 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6543 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6544 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6545 determine the size of Wtype, etc.
6546 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6547 (swfloatfuncs): New variable.
6548 (dwfloatfuncs): Likewise.
6549 (lib2funcs): Remove floating-point conversion functions from
6550 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6551 the set of conversion routines needed. Allow entries to specify
6552 an object name, filename and word size. Update users accordingly.
6553 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6554 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6558 2006-02-08 Roger Sayle <roger@eyesopen.com>
6561 * config/fixtfdi.c: New libgcc source file.
6562 * config/fixunstfdi.c: New source file.
6563 * config/floatditf.c: New source file.
6564 * config/floatunditf.c: New souce file.
6565 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6566 files above instead of config/mips/_tilib.c.
6567 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6569 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6571 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6572 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6574 2006-05-18 Mike Stump <mrs@apple.com>
6576 Fix up vla, vm and [*] sematics.
6582 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6583 (c_vla_unspec_p): Add.
6584 (c_vla_type_p): Add.
6585 * c-decl.c (struct c_scope): Add had_vla_unspec.
6586 (build_array_declarator): Add support for [*].
6587 (grokdeclarator): Likewise.
6588 (grokparms): Likewise.
6589 (get_parm_info): Likewise.
6590 * c-objc-common.c (c_vla_unspec_p): Likewise.
6591 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6592 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6593 typeof when argument is a variably modified type not inside sizeof or alignof.
6594 (c_parser_direct_declarator_inner): Propagate errors.
6595 (c_parser_sizeof_expression): Add support for [*].
6596 (c_parser_parms_declarator): Initialize had_vla_unspec.
6597 (c_parser_parms_list_declarator): Likewise.
6598 * c-typeck.c (c_vla_type_p): Add.
6599 (composite_type): Add support for vla compositing.
6600 (comptypes_internal): Add support for vla compatibility.
6601 (c_expr_sizeof_expr): Evaluate vla arguments.
6602 * tree.c (variably_modified_type_p): Update comment for [*].
6604 2006-05-18 Michael Matz <matz@suse.de>
6607 * config.host: Make assignments to host_xmake_file cumulative.
6608 * config.host (*-darwin*): Test $host, not $target.
6610 2006-05-12 Stuart Hastings <stuart@apple.com>
6612 * config/i386/i386.opt (-mstackrealign): New flag.
6613 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6614 (ix86_handle_cconv_attribute): Emit error when
6615 force_align_arg_pointer attribute collides with too many regparms.
6616 (ix86_function_regparm): Limit regparms when used with
6617 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6618 Support stack-realigning prologue in non-main functions. Emit
6619 warning for nested functions under -mstackrealign, emit error for
6620 nested functions with force_align_arg_pointer attribute.
6621 * doc/extend.texi (force_align_arg_pointer): Document it.
6622 * doc/invoke.texi (-mstackrealign): Document it.
6624 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6626 PR rtl-optimization/27477
6627 * combine.c (try_combine): Don't split a parallel consisting
6628 of two sets into two individual sets if both sets reference
6631 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6633 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6634 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6636 * doc/options.texi (VarExists): Updated.
6638 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6640 * unwind-dw2.c: Add declarations for uw_update_context and
6642 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6643 detected, advance frame state and context once to skip over stub.
6645 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6649 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6650 Call rewrite_into_loop_closed_ssa only when something changed.
6651 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6652 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6653 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6654 Test for perfect_nest_p here. Fix formating.
6655 (replace_uses_equiv_to_x_with_y): Fix formating.
6656 (stmt_uses_op): Removed.
6657 (can_convert_to_perfect_nest): Removed loopivs parameter.
6658 Complete the test by checking the scalar dependences.
6659 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6662 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6665 From Dan Kegel <dank@kegel.com>:
6666 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6668 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6670 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6671 if the element type is variably modified without recursing.
6673 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6676 * tree-loop-linear.c (try_interchange_loops): Test for
6677 no data dependences.
6679 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6681 PR tree-optimization/27548
6682 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6683 range of ssa names that appear on abnormal edges.
6684 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6685 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6687 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6690 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6692 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6695 * tree.h (OMP_PARALLEL_COMBINED): Define.
6696 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6697 (new_omp_context): Add is_combined_parallel argument.
6698 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6699 new_omp_context caller.
6700 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6701 Adjust gimplify_scan_omp_clauses callers.
6702 (omp_is_private): Issue errors if iteration variable is firstprivate
6703 or reduction in the current context.
6704 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6705 on combined parallel workshare constructs.
6707 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6709 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6710 (gcc-options.o): New rule.
6712 * optc-gen.awk: Protect variables for gcc-options.o with
6713 #ifdef GCC_DRIVER/#endif.
6715 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6717 Fix PR tree-optimization/27373
6718 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6719 (forward_propagate_addr_expr): Update call.
6721 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6723 * doc/options.texi: Move the Negative option.
6725 2006-05-16 Richard Guenther <rguenther@suse.de>
6727 PR tree-optimization/22303
6728 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6730 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6731 ccp_fold did not simplify the statement.
6733 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6736 * Makefile.in (GCC_OBJS): New.
6737 (OBJS-common): Add opts-common.o.
6738 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6739 (cpp$(exeext)): Likewise.
6740 (gcc.o): Also depend on opts.h.
6741 (opts-common.o): New.
6743 * common.opt (gcoff): Add Negative(gdwarf-2).
6744 (gdwarf-2): Add Negative(gstabs).
6745 (gstabs): Add Negative(gstabs+).
6746 (gstabs+): Add Negative(gvms).
6747 (gvms): Add Negative(gxcoff).
6748 (gxcoff): Add Negative(gxcoff+).
6749 (gxcoff+): Add Negative(gcoff).
6750 * config/i386/i386.opt (m32): Add Negative(m64).
6751 (m64): Add Negative(m32).
6753 * doc/options.texi: Document the Negative option.
6755 * gcc.c: Include "opts.h".
6756 (main): Call prune_options after expandargv.
6758 * optc-gen.awk: Generate common declarations for all flag
6759 variables in options.c. Output the neg_index field.
6761 * opts.c (find_opt): Moved to ...
6762 * opts-common.c: Here. New file.
6764 * opts.h (cl_option): Add a neg_index field.
6766 (prune_options): Likewise.
6768 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6771 * omp-low.c (expand_omp_parallel): Don't assert
6772 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6773 instead search for it.
6776 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6779 2006-05-16 Andreas Schwab <schwab@suse.de>
6781 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6784 2006-05-15 Roger Sayle <roger@eyesopen.com>
6787 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6788 integer constants other than zero are only legitimate on TARGET_64BIT.
6789 <CONST_VECTOR> Only zero vectors are legitimate.
6790 (ix86_cannot_force_const_mem): Integral and vector constants can
6791 always be put in the constant pool.
6793 2006-05-16 DJ Delorie <dj@redhat.com>
6795 * crtstuff.c (__dso_handle): Set section from
6796 TARGET_LBIGCC_SDATA_SECTION if defined.
6797 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6798 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6800 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6803 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6806 2006-05-16 Ben Elliston <bje@au.ibm.com>
6808 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6810 2006-05-15 Per Bothner <per@bothner.com>
6812 * tree.c: (last_annotated_node): Use source_locus typedef.
6813 This permits bootstrapping with --enable-mapped-location.
6815 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6817 PR tree-optimization/26830
6818 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6819 (info_for_ssa_name, current_info_for_ssa_name_age,
6820 blocks_to_update): New variables.
6821 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6822 (clear_ssa_name_info, initialize_flags_in_bb,
6823 mark_block_for_update): New functions.
6824 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6825 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6826 prepare_def_site_for): Use mark_block_for_update.
6827 (mark_def_interesting): Assert that the processed block is marked in
6828 blocks_to_update. Do not take blocks argument.
6829 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6831 (rewrite_update_init_block, rewrite_update_stmt): Only process
6832 blocks with statements to rewrite.
6833 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6834 (update_ssa): Initialize and free blocks_to_update. Do not
6835 clear flags on statements. Do not use blocks bitmap.
6836 * tree.h (SSA_NAME_AUX): Removed.
6837 (struct tree_ssa_name): Removed aux field.
6838 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6840 2006-05-15 Richard Guenther <rguenther@suse.de>
6842 PR tree-optimization/27603
6843 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6844 Do computations in original type.
6846 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6848 * see.c: Code style changes such as redundant paranthesis,
6849 redundant intialization of local variables etc.
6850 (see_main): Declared now as static.
6851 * doc/invoke.texi: Update that -fsee is not enabled by
6854 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6856 * omp-low.c (check_omp_nesting_restrictions): New function.
6857 (scan_omp_1): Call it.
6860 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6861 construct, return *VAR.
6863 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6865 PR rtl-optimization/27406
6866 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6869 2006-05-14 Roger Sayle <roger@eyesopen.com>
6871 PR rtl-optimization/27538
6872 * combine.c (expand_compound_operation): Call gen_lowpart
6873 before calling simplify_shift_const.
6875 2006-05-14 Roger Sayle <roger@eyesopen.com>
6877 PR rtl-optimization/22563
6878 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6879 a fixed width bitfield, always force the intermediates into psuedos.
6881 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6884 * mkconfig.sh: Use operator = instead of == for test.
6886 2006-05-13 Nick Clifton <nickc@redhat.com>
6888 * dwarf2out.c (dbx_reg_number): Check return value from
6889 LEAF_REG_REMAP and only use it if it is valid.
6890 (multiple_reg_loc_descriptor): Likewise.
6892 2006-05-13 Richard Guenther <rguenther@suse.de>
6894 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6897 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6899 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6900 information attached to non-INSNs such as NOTEs.
6901 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6903 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6905 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6907 * config/s390/s390.md: Adjust comment describing On constraint.
6909 2006-05-11 Jan Hubicka <jh@suse.cz>
6911 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6912 to be output at -O0.
6914 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6917 * fold-const.c (size_binop): Move sanity check for arguments to
6918 the beginning of the function.
6921 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6924 2006-05-11 Richard Guenther <rguenther@suse.de>
6927 * fold-const.c (fold_unary): Handle intermediate conversion
6928 to a pointer type like intermediate conversion to an integer
6929 type in folding of (T1)(T2)var to var.
6930 Match the code to the comment in the final conversion for
6931 (T1)(T2)var to (T1)var regarding to type precision. Rather
6932 than disallow T1 being of pointer type, assert that both T1
6933 and var are of pointer type or not. Make sure not to fall
6934 over the frontends lazyness wrt array to pointer decay though.
6936 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6938 * arm.c (arm_struct_value_rtx): Delete.
6939 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6940 (arm_init_cumulative_args): Always initialize nregs to zero.
6942 2006-05-10 Richard Guenther <rguenther@suse.de>
6944 PR tree-optimization/27532
6945 * tree-object-size.c (plus_expr_object_size): Fix typo.
6947 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6950 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6951 ashrdi_const, ashrdi3): Use a scratch register.
6953 2006-05-10 Richard Guenther <rguenther@suse.de>
6955 PR tree-optimization/27302
6956 * fold-const.c (operand_equal_p): For two comparisons,
6957 try comparison of one comparison code swapped if that yields
6960 2006-05-10 Ben Elliston <bje@au.ibm.com>
6962 * tree-pretty-print.c (pretty_print_string): No need to handle
6963 '\0' as a special character.
6965 * tree.h: Include "hashtab.h".
6966 (iterative_hash_expr): Use hashval_t in its prototype.
6967 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6969 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6972 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6973 (hppa*64*-*-hpux11*): Ditto.
6974 (hppa[12]*-*-hpux11*): Ditto.
6976 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6979 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6981 2006-05-09 Michael Matz <matz@suse.de>
6983 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6984 host_extra_gcc_objs and host_xmake_file.
6985 (<*-*-linux*>): Don't overwrite host_xmake_file.
6986 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6987 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6988 (host_detect_local_cpu): Declare.
6989 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6990 * config/i386/i386.c (override_options): Handle -mtune=native
6992 * config/i386/x-i386: New file.
6993 * config/i386/driver-i386.c: New file.
6994 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6997 2006-05-09 Dirk Mueller <dmueller@suse.de>
6998 Richard Guenther <rguenther@suse.de>
7001 * fold-const.c (fold_read_from_constant_string): Relax check
7002 for matching types to matching modes.
7004 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
7006 PR rtl-optimization/27335
7007 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
7010 2006-05-08 Chao-ying Fu <fu@mips.com>
7011 Richard Sandiford <richard@codesourcery.com>
7013 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
7014 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
7015 * config/mips/mips.md (UNSPEC_SCC): New constant.
7016 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
7017 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
7018 (mips_emit_compare): Use it.
7019 (mips_expand_vcondv2sf): New function.
7021 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
7023 Fix PR tree-optimization/27093
7024 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
7025 renaming when they become not-used_alone.
7027 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7029 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7030 relocation and relocation stubs.
7032 2006-05-08 Eric Christopher <echristo@apple.com>
7034 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7037 2006-05-08 Jan Hubicka <jh@suse.cz>
7040 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7041 unused static functions are needed.
7043 2006-05-08 Roger Sayle <roger@eyesopen.com>
7046 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7047 of a reg_equiv_constant if the result is a legitimate constant.
7049 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7052 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7053 standard 80387 constants, raise the cost to prevent
7054 compress_float_constant() to generate load from memory.
7056 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7058 * config/arm/constraints.md (c): Fix a typo.
7060 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7063 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7066 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7068 (_mm_mwait): Likewise.
7070 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7072 (sse3_monitor): Make it 32bit only.
7073 (sse3_monitor64): New. 64bit monitor.
7075 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7078 * config/i386/i386.c (classify_argument): Skip fields with invalid
7081 2006-05-07 Richard Guenther <rguenther@suse.de>
7083 PR tree-optimization/27409
7084 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7085 Do not try to find zero-sized subvars.
7087 2006-05-07 Richard Guenther <rguenther@suse.de>
7089 PR tree-optimization/27136
7090 * tree-ssa-loop-niter.c (get_val_for): Correct function
7091 comment, assert requirements.
7092 (loop_niter_by_eval): Stop processing if the iterated
7093 value did not simplify.
7095 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7097 * opts.c (flag_see): remove its setting at -O3.
7099 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7101 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7102 * arm/constraints.md: New file.
7103 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7104 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7105 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7106 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7107 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7108 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7109 * arm.md: Include constraints.md.
7110 (thumb_movsi_insn): Use satisfies_constraint_J.
7111 (movhi, movqi): Use satisfies_constraint_I.
7113 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7115 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7116 for atmeg a645 device.
7118 2006-05-06 Richard Guenther <rguenther@suse.de>
7120 PR tree-optimization/27151
7121 * tree-vect-transform.c (vectorizable_condition): Punt on
7122 values that have a different type than the condition.
7124 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7127 * c-parser.c (c_parser_cast_expression): Only insert casts into
7128 hash table if pointer.
7129 * function.c (used_types_insert_helper): Rename from
7131 (used_types_insert): Call used_types_insert_helper.
7132 * function.h (used_types_insert): Accept only one argument.
7134 2006-05-05 David Edelsohn <edesohn@gnu.org>
7136 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7137 scratch with output modifier.
7139 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7142 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7143 with output modifier.
7145 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7148 * config/mips/mips.c (mips_symbolic_address_p): Return true
7149 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7150 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7152 2006-05-04 Richard Guenther <rguenther@suse.de>
7154 PR tree-optimization/14287
7155 PR tree-optimization/14844
7156 PR tree-optimization/19792
7157 PR tree-optimization/21608
7158 PR tree-optimization/27090
7159 * tree-ssa-pre.c (try_combine_conversion): New function.
7160 (compute_avail): After constructing the value-handle
7161 expression, use try_combine_conversion to combine NOP_EXPRs
7162 with previous value-handle expressions and use the result if it
7165 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7167 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7169 2006-05-04 Jan Hubicka <jh@suse.cz>
7172 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7174 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7176 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7177 that this only matches CONST_INTs. All users changed to VOIDmode
7180 * config/bfin/bfin.c: Include "optabs.h".
7181 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7183 (enum bfin_builtins): Add a number of fractional and vector builtins.
7184 (bfin_init_builtins): Likewise.
7185 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7186 (safe_vector_operand, bfin_expand_binop_builtin,
7187 bfin_expand_unop_builtin): New functions.
7188 (bfin_expand_builtin): Handle the new builtins.
7189 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7192 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7195 * Makefile.in (OBJS-common): Add see.o.
7196 (see.o): Add dependencies.
7197 * common.opt (fsee): New flag for the see optimization was added.
7198 * opts.c (flag_see): Initialized.
7199 * passes.c (init_optimization_passes, pass_see): New pass.
7200 * rtl.h (see_main): Declaration as extern.
7201 * timevar.def (TV_SEE): New.
7202 * tree-pass.h (pass_see): Declaration as extern.
7203 * invoke.texi (-fsee): Document.
7204 * recog.c (validate_simplify_insn): New function.
7205 * recog.h (validate_simplify_insn): Declaration as extern.
7206 * df-problems.c (df_chain_dump): Check for NULL.
7208 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7209 Daniel Berlin <dberlin@dberlin.org>
7211 * cfgrtl.c (insert_insn_bb_end_new): New function.
7212 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7214 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7216 * df.h (struct web_entry): Moved from web.c.
7217 (union_defs): Declaration as extern.
7218 (unionfind_root): Likewise.
7219 (unionfind_union): Likewise.
7220 * web.c (struct web_entry): Moved to df.h.
7221 (unionfind_root): Remove static declaration.
7222 (unionfind_union): Likewise.
7223 (union_defs): Likewise and generalize to use callback function.
7224 (web_main): Update arguments for union_defs function call.
7226 2006-05-04 Richard Guenther <rguenther@suse.de>
7228 PR tree-optimization/26447
7229 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7230 produce SSA_NAME copies before the store stmt to avoid
7231 breaking exception handling.
7233 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7236 * gimplify.c (omp_is_private): If var is shared in some outer context,
7237 return false instead of true. Stop searching on parallel context
7240 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7243 * coverage.c: Use get_gcov_unsigned_t() instead of
7244 unsigned_type_node all over.
7246 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7248 PR tree-optimization/27381
7249 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7250 maintain the same immediate_use links.
7251 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7252 node rather than segfaulting.
7254 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7257 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7258 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7259 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7261 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7263 Fix PR tree-optimization/26626
7264 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7266 * tree-ssa-operands.c (access_can_touch_variable): Allow
7267 typecasting through union pointers.
7269 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7272 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7273 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7274 to find if var will be a global variable even in the nested context.
7275 (omp_copy_decl): Only check for global variable at the end, it might
7276 be overridden in outer contexts.
7277 (scan_sharing_clauses): For global variables don't create a field.
7278 (lower_rec_input_clauses): Do nothing for global shared variables.
7279 Emit a barrier at the end of ILIST if there were any decls in both
7280 firstprivate and lastprivate clauses.
7281 (lower_send_clauses): Do nothing for global variables except for
7284 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7286 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7287 of the correct signedness is returned.
7289 2006-05-02 Jeff Law <law@redhat.com>
7291 PR tree-optimization/27364
7292 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7293 multiply expressions.
7295 2006-05-02 Tom Tromey <tromey@redhat.com>
7297 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7299 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7302 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7303 -mthumb -fPIC are used.
7305 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7306 Joshua Kinard <kumba@gentoo.org>
7309 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7310 with 64-bit pointers.
7312 2006-05-02 Paul Brook <paul@codesourcery.com>
7314 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7316 (create_fix_barrier): Check that a suitable barrier location is
7318 (arm_reorg): Include ftmp->address in allowable range of addresses.
7320 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7323 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7326 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7329 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7330 around RESULT_DECL for result passed by reference.
7331 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7332 * omp-low.c (use_pointer_for_field): Don't look at
7333 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7334 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7335 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7336 time or var for passing by reference for
7337 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7338 TREE_ADDRESSABLE variables when passing by reference.
7340 * omp-low.c (dump_omp_region): Fix output formatting.
7343 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7344 (expand_omp_parallel): Likewise.
7345 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7348 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7349 on statement list containing also constructors and destructors.
7350 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7353 * except.c (duplicate_eh_regions): Fix clearing of
7354 cfun->eh->region_array entries.
7356 2006-05-01 DJ Delorie <dj@redhat.com>
7358 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7360 (gcc_cv_objdump): Likewise.
7361 * configure: Regenerated.
7363 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7366 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7367 templates for case 3 and 4.
7369 2006-05-01 DJ Delorie <dj@redhat.com>
7371 * vec.c: Include bconfig.h when appropriate.
7372 * Makefile.in (build/vec.o): Adjust dependencies.
7373 * mkconfig.sh: Make sure config.h isn't used for build machine
7376 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7378 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7380 (mark_phi_for_rewrite): New function.
7381 (insert_phi_nodes_for, mark_use_interesting): Call
7382 mark_phi_for_rewrite.
7383 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7384 (update_ssa): Initialize and free phis_to_rewrite.
7386 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7388 PR rtl-optimization/27291
7389 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7390 folded to a constant.
7392 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7394 PR tree-optimization/27283
7395 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7396 not whole # of iteration descriptions.
7397 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7398 uses abnormal ssa name.
7399 (niter_for_single_dom_exit): Ditto.
7400 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7401 return just the number of iterations.
7403 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7405 PR tree-optimization/27144
7406 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7407 (record_estimate): Only record constant upper bound.
7408 (infer_loop_bounds_from_undefined): Call
7409 compute_estimated_nb_iterations just once.
7410 (proved_non_wrapping_p): Renamed to ...
7411 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7412 (convert_step_widening, scev_probably_wraps_p): Call
7413 n_of_executions_at_most instead of proved_non_wrapping_p.
7414 (substitute_in_loop_info): Do not replace values in bounds.
7415 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7418 2006-05-01 Richard Henderson <rth@redhat.com>
7421 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7422 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7425 2006-05-01 Roger Sayle <roger@eyesopen.com>
7427 * c-typeck.c (parser_build_binary_op): Don't call the function
7428 unsigned_conversion_warning to spot operand/result type overflow.
7429 (build_binary_op): Instead, call convert_and_check instead of
7430 convert to report the problem when the operands are promoted.
7431 * c-common.c (unsigned_conversion_warning): Make static.
7432 * c-common.h (unsigned_conversion_warning): Delete prototype.
7434 2006-05-01 Richard Guenther <rguenther@suse.de>
7436 PR tree-optimization/26726
7437 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7439 (find_interesting_uses_address): ... we work around here
7440 by folding INDIRECT_REFs in the substituted base.
7442 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7444 * omp-low.c (dump_omp_region): Add newlines.
7446 2006-04-30 Roger Sayle <roger@eyesopen.com>
7448 * common.opt (Woverflow): New command line option.
7449 * c-common.c (constant_expression_warning): Check warn_overflow.
7450 (overflow_waring): Pass OPT_Woverflow to warning.
7451 (unsigned_conversion_warning): Likewise.
7452 (convert_and_check): Likewise.
7453 * doc/invoke.texi: Document new command line option.
7455 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7457 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7458 TARGET_NO_FP_IN_TOC for section anchors.
7459 (optimization_options): Enable section anchors for all
7460 non-"Objective" languages.
7462 2006-04-28 Eric Christopher <echristo@apple.com>
7464 * config/darwin-c.c (darwin_ms_struct): Move this
7465 (darwin_set_default_type_attributes): and this...
7466 * config/darwin.c: ... here.
7467 * config/darwin.h (darwin_ms_struct): Declare.
7469 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7471 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7473 2006-04-28 Roger Sayle <roger@eyesopen.com>
7476 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7477 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7478 an unsigned HOST_WIDE_INT.
7479 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7481 (really_start_incremental_init): No need to call convert because
7482 bitsize_zero_node is already of type bitsizetype.
7483 (push_init_level): Extract the value of constructor_index as an
7484 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7485 (process_init_element): Likewise.
7487 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7489 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7490 value before passing to make_relative_prefix.
7492 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7495 * builtins.c (expand_builtin_memset): Expand val in original mode.
7497 2006-04-27 Eric Christopher <echristo@apple.com>
7499 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7500 with #ifndef/#endif.
7501 * config/darwin-c.c (darwin_ms_struct): New.
7502 (darwin_pragma_ms_struct): Ditto.
7503 (darwin_set_default_type_attributes): Ditto.
7504 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7505 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7506 Register ms_struct pragma.
7507 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7508 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7509 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7510 darwin_set_default_type_attributes if TARGET_MACHO.
7512 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7514 PR tree-optimization/26854
7515 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7516 * doc/tree-ssa.texi: Update immuse iterator documentation.
7517 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7518 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7519 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7520 first_safe_imm_use, next_safe_imm_use): Remove.
7521 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7522 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7523 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7524 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7525 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7526 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7527 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7528 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7529 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7530 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7531 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7532 (perfect_nestify): Use new iterator.
7533 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7535 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7536 (next_imm_name): New field in struct immediate_use_iterator_d.
7537 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7538 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7539 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7540 * tree-cfg.c (replace_uses_by): Use new iterator.
7541 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7542 * tree-ssa-operands.c (correct_use_link): Remove.
7543 (finalize_ssa_use_ops): No longer call correct_use_link.
7545 2006-04-27 Stuart Hastings <stuart@apple.com>
7547 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7548 * config/t-darwin (crt3.o): Use it.
7549 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7550 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7551 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7552 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7553 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7556 2006-04-27 Roger Sayle <roger@eyesopen.com>
7558 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7559 size, force the intermediate into a new pseudo rather instead of
7560 performing both a bitwise AND and a bitwise IOR in memory.
7562 2006-04-27 Richard Guenther <rguenther@suse.de>
7564 PR rtl-optimization/26685
7565 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7566 this one "max-flow-memory-locations".
7568 2006-04-27 Richard Guenther <rguenther@suse.de>
7570 PR tree-optimization/25148
7571 * tree-vrp.c (compare_values): Remove code dealing with
7572 comparisons against type min/max value. Honour overflow
7573 and negative constants in code dealing with comparisons
7574 of plus and minus expressions.
7575 (value_inside_range): Use fold_binary with LE_EXPR and
7576 GE_EXPR rather than compare_values.
7578 2006-04-27 Dirk Mueller <dmueller@suse.de>
7580 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7583 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7585 * basic-block.h (safe_insert_insn_on_edge): Removed.
7586 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7588 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7589 Paolo Bonzini <bonzini@gnu.org>
7592 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7593 (simplify_and_const_int): Same.
7595 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7597 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7599 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7602 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7603 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7604 cgraph_global_info_ready.
7607 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7610 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7611 either decl or init is error_mark_node.
7614 * tree-flow.h (struct omp_region): Add sched_kind.
7615 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7616 instead of extracting omp for data.
7617 (expand_omp_for): Save extracted sched_kind.
7619 2006-04-25 Roger Sayle <roger@eyesopen.com>
7621 * expmed.c (store_bit_field): Also check whether the bitsize is
7622 valid for the machine's "insv" instruction before moving the
7623 target into a pseudo for use with the insv.
7624 * config/i386/predicates.md (const8_operand): New predicate.
7625 * config/i386/i386.md (extv, extzv, insv): Use the new
7626 const8_operand predicate where appropriate.
7628 2006-04-25 DJ Delorie <dj@redhat.com>
7630 * doc/install.texi (Specific): Clarify that this is not a list of
7631 supported hosts or targets.
7633 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7635 PR rtl-optimization/26725
7636 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7637 block's BB_DIRTY flag.
7639 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7641 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7644 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7645 to print an integer.
7647 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7649 * varasm.c (align_variable): New function.
7650 (get_block_for_decl): Apply align_variable to DECL before
7651 calculating section information.
7652 (assemble_variable): Split out alignment computation.
7654 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7656 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7659 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7661 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7662 MODE_PARTIAL_INT mode.
7663 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7664 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7666 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7667 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7669 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7671 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7673 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7674 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7675 MACFLAG_IH): Likewise.
7676 (movstricthi_1): Renamed from "*movstricthi".
7677 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7678 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7679 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7680 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7681 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7682 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7683 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7684 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7685 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7686 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7687 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7688 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7689 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7690 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7691 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7693 * doc/rtl.texi (ss_ashift): Improve wording.
7695 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7697 * dwarf2out.c (verify_marks_clear): New.
7698 (prune_unused_types): Call verify_marks_clear initially, not
7701 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7703 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7704 * doc/rtl.texi: Document them.
7705 * simplify-rtx.c (simplify_unary_operation,
7706 simplify_binary_operation_1): Don't abort when we see them.
7708 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7711 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7712 * configure.ac: Completely disregard languages that are not
7714 * configure: Regenerated.
7716 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7717 Richard Guenther <rguenther@suse.de>
7719 PR tree-optimization/27236
7720 * tree-inline.c (copy_body_r): Make sure to copy
7721 TREE_THIS_VOLATILE flag.
7723 2006-04-24 Richard Guenther <rguenther@suse.de>
7726 * tree-complex.c (update_parameter_components): Don't handle
7727 unused parameters which have no default def.
7729 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7730 Richard Guenther <rguenther@suse.de>
7732 PR tree-optimization/27218
7733 * tree-inline.c (expand_call_inline): Strip useless type
7734 conversions for the return slot address.
7736 2006-04-24 Richard Guenther <rguenther@suse.de>
7738 * cfgloop.h (struct loops): Remove unused field array. Reorder
7740 (LOOP_PREFETCH): Remove.
7742 2006-04-24 Richard Guenther <rguenther@suse.de>
7744 PR tree-optimization/22525
7745 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7746 variable, adjust types of generated expressions.
7748 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7750 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7751 (tree-vect-patterns.o): Likewise.
7753 (cselib.o): Likewise.
7754 (loop-doloop.o): Likewise.
7755 (regclass.o): Likewise.
7756 (reload1.o): Likewise.
7757 (explow.o): Replace target.h with $(TARGET_H).
7758 (ipa-prop.o): Likewise.
7759 (ipa-cp.o): Likewise.
7760 (ipa-inline.o): Likewise.
7761 (reorg.o): Likewise.
7762 (reg-stack.o): Likewise.
7764 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7766 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7768 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7770 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7772 * configure.ac: Completely disregard languages that are not
7774 * configure: Regenerated.
7777 * c-common.h (c_build_bitfield_integer_type): Declare.
7778 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7779 * c-common.c (c_build_bitfield_integer_type): ... here.
7781 2006-04-23 Roger Sayle <roger@eyesopen.com>
7784 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7785 a SImode SUBREG of a floating point register after no_new_pseudos.
7787 2006-04-23 Roger Sayle <roger@eyesopen.com>
7789 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7790 identify potentially eliminable registers to additionally catch
7791 VIRTUAL_INCOMING_ARGS_REGNUM.
7792 (addsi3): Update the conditions on when to use addsi_small_int.
7794 2006-04-23 Roger Sayle <roger@eyesopen.com>
7797 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7798 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7799 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7801 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7803 * fold-const.c (range_predecessor): Use operand_equal_p
7804 as the predicate for equality.
7805 (range_successor): Likewise.
7807 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7810 * config/soft-fp/op-common.h: Fix a typo.
7812 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7815 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7816 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7818 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7820 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7822 * doc/tm.texi: Fix a typo.
7824 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7826 * dwarf2out.c (struct die_struct): Document that die_sib makes
7827 a circular linked list.
7828 (FOR_EACH_CHILD): New.
7829 (reverse_die_lists): Delete.
7830 (reverse_all_dies): Delete.
7831 (add_dwarf_attr): Correct documentation.
7832 (remove_child_with_prev): New.
7833 (remove_child_TAG): Update for change to die_struct, use
7834 remove_child_with_prev.
7835 (add_child_die): Update for change to die_struct.
7836 (splice_child_die): Use remove_child_with_prev and add_child_die.
7837 (print_die): Use FOR_EACH_CHILD.
7838 (die_checksum): Likewise.
7839 (assign_symbol_names): Likewise.
7840 (output_location_lists): Likewise.
7841 (build_abbrev_table): Likewise.
7842 (calc_die_sizes): Likewise.
7843 (mark_dies): Likewise.
7844 (unmark_dies): Likewise.
7845 (unmark_all_dies): Likewise.
7846 (output_die): Likewise.
7847 (prune_unused_types_mark): Likewise.
7848 (prune_unused_types_walk): Likewise.
7849 (same_die_p): Update for change to die_struct.
7850 (break_out_includes): Likewise.
7851 (prune_unused_types_prune): Likewise.
7852 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7853 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7855 (dwarf2out_finish): Don't call reverse_all_dies.
7857 2006-04-21 Eric Christopher <echristo@apple.com>
7859 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7860 in comments and function names.
7862 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7865 * c-typeck.c (digest_init): Robustify.
7867 * c-typeck.c (pop_init_level): Simplify.
7869 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7871 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7873 2006-04-21 Paul Brook <paul@codesourcery.com>
7875 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7876 hardware floating point.
7878 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7880 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7883 2006-04-21 Nick Clifton <nickc@redhat.com>
7885 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7888 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7891 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7892 C++ lang type in traceback table for Objective-C++.
7894 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7896 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7898 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7900 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7903 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7904 were errors. Remove check for erroneous objects.
7906 2006-04-20 Jeff Law <law@redhat.com>
7908 PR tree-optimization/26854
7909 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7910 checking for zero or one use.
7911 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7912 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7913 * tree-ssa-reassoc.c (negate_value): Similarly.
7914 (reassociate_bb): Similarly.
7916 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7918 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7919 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7920 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7922 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7924 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7925 fp regs if the last fp arg doesn't fit in regs.
7927 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7930 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7931 that the last insn has the REG_INC note.
7933 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7934 Nathan Sidwell <nathan@codesourcery.com>
7937 * stor-layout.c (update_alignment_for_field): Do not align
7939 (place_union_field): Place union field at the start of the union.
7940 (place_field): Move ERROR_MARK check later, and use the current
7941 allocation position to maintain monotonicity.
7943 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7945 * dominance.c: Include timevar.h.
7946 (calculate_dominance_info): Use TV_DOMINANCE.
7947 * timevar.def (TV_DOMINANCE): New timevar.
7948 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7950 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7952 PR rtl-optimization/14261
7953 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7954 move would be an INSV insn.
7955 (noce_process_if_block): Don't optimize if the destination is a
7956 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7958 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7960 * config/s390/s390.md: Add comments with the instructions emitted
7961 by an insn pattern if macros are used.
7963 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7965 PR rtl-optimization/26026
7966 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7967 is a known power of two shifted left a variable amount.
7969 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7971 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7972 to hash table twice when the debug_str section has SECTION_MERGE.
7974 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7976 * config/soft-fp: New directory. From glibc.
7977 * config/soft-fp/t-softfp: New.
7978 * config/soft-fp/README: New.
7979 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7980 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7981 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7982 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7983 * config.gcc: Use rs6000/t-fprules-fpbit or
7984 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7986 * config/rs6000/sfp-machine.h: New. Based on glibc.
7987 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7989 * config/rs6000/t-fprules: Remove fp-bit rules.
7990 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7991 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7992 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7993 (softfp_wrap_start, softfp_wrap_end): New.
7995 2006-04-18 DJ Delorie <dj@redhat.com>
7997 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7999 2006-04-18 Devang Patel <dpatel@apple.com>
8001 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
8003 2006-04-18 Nick Clifton <nickc@redhat.com>
8005 * config/sh/t-symbian: Add rule to build sh-c.o
8006 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
8007 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
8008 (sh_symbian_encode_section_info): Likewise.
8010 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
8012 * builtins.c (expand_builtin_strcmp): Cover label definition of
8013 do_libcall with HAVE_cmpstrnsi.
8015 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
8017 * function.c (temp_slots_at_level, max_slot_level): Use VEC
8019 * function.h (temp_slot_p): New.
8020 (function): Change the type of x_used_temp_slots to
8021 VEC(temp_slot_p,gc) *.
8023 2006-04-18 Nick Clifton <nickc@redhat.com>
8025 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
8026 flag_strength_reduce.
8028 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8030 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8034 Partial revert of revision 112637
8035 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8036 Dale Johannesen <dalej@apple.com>
8039 * regclass.c (struct reg_pref): Update documentation.
8040 (regclass): Set prefclass to NO_REGS if memory is the best option.
8041 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8043 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8045 PR tree-optimization/26821
8046 * tree-ssa-math-opts.c (get_constant_one): New.
8047 (insert_reciprocals): Use it.
8049 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8051 * dwarf2out.c (free_AT): Delete.
8052 (remove_AT): Update string ref counts.
8053 (remove_child_TAG): Don't call free_die.
8055 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8056 or DW_TAG_GNU_EINCL.
8057 (prune_unused_types_walk_attribs): Reset string refcounts.
8058 (prune_unused_types_update_strings): New.
8059 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8060 call free_die. Do call prune_unused_types_update_strings.
8061 (prune_unused_types): Empty debug_str_hash.
8063 2006-04-17 Roger Sayle <roger@eyesopen.com>
8065 * expr.c (expand_assignment): Optimize away no-op moves where the
8066 source and destination are equal and have no side-effects.
8068 2006-04-17 Richard Guenther <rguenther@suse.de>
8071 * reload.c (push_reload): Guard calls to get_secondary_mem
8074 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8076 * alias.c (reg_base_value, old_reg_base_value): Change the
8077 type to VEC(rtx,gc) *.
8078 (REG_BASE_VALUE, find_base_value, record_set,
8079 init_alias_analysis): Use VEC instead of VARRAY.
8081 * alias.c (alias_sets): Change the type to
8082 VEC(alias_set_entry,gc) *.
8083 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8084 VEC instead of VARRAY.
8085 (last_alias_set): Remove.
8087 * cgraph.h (cgraph_edge_p): New.
8088 Update the prototype of cgraph_function_versioning.
8089 * cgraphunit.c (cgraph_copy_node_for_versioning,
8090 cgraph_function_versioning): Use VEC instead of VARRAY.
8091 * ipa-cp.c (ipcp_insert_stage): Likewise.
8093 2006-04-16 Roger Sayle <roger@eyesopen.com>
8096 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8097 "A op B" or "A op C", we may need to convert A to the type of B and C.
8099 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8101 * target.h (struct gcc_target): Add mode_rep_extended.
8102 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8103 (init_num_sign_bit_copies_in_rep): Initialize it using
8105 (truncate_to_mode): Use it.
8106 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8107 * targhooks.h (default_mode_rep_extended): Declare it.
8108 * targhooks.c (default_mode_rep_extended): Define it.
8109 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8110 default_mode_rep_extended.
8111 (TARGET_INITIALIZER): Include it.
8112 * doc/tm.texi (Misc): Document it.
8113 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8114 (mips_truncated_to_mode): New function.
8116 2006-04-16 Roger Sayle <roger@eyesopen.com>
8119 * expr.c (compress_float_constant): Copy the narrow constant into
8120 a new pseudo before extending it to its final width.
8122 2006-04-16 Roger Sayle <roger@eyesopen.com>
8123 Andrew Pinski <pinskia@gcc.gnu.org>
8124 Dale Johannesen <dalej@apple.com>
8127 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8128 special case code to implement V8HImode and V16QImode with SSE2.
8130 2006-04-15 Roger Sayle <roger@eyesopen.com>
8132 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8133 trees are constructed with a suitable tree type.
8135 2006-04-15 Roger Sayle <roger@eyesopen.com>
8137 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8138 (integer_onep): Likewise.
8139 (integer_all_onesp): Likewise.
8140 (integer_pow2p): Likewise.
8141 (integer_nonzerop): Likewise.
8142 (real_zerop): Likewise.
8143 (real_onep): Likewise.
8144 (real_twop): Likewise.
8145 (real_minus_onep): Likewise.
8146 (int_size_in_bytes): Likewise.
8147 (host_integerp): Likewise.
8149 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8151 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8152 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8153 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8155 * tree-ssa-structalias.h (alias_info): Remove num_references.
8157 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8159 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8160 (output_bvb patterns): Likewise.
8161 * pa.c (output_bb): Use 'bb' insn for long branch case.
8162 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8163 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8164 1. Correct length operand for alternatives 1 and 2.
8165 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8166 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8168 2006-04-14 Roger Sayle <roger@eyesopen.com>
8170 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8171 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8172 were accidentally reverted by r112959.
8174 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8177 * except.h (eh_region_outermost): New prototype.
8178 * except.c (eh_region_outermost): New function.
8179 * tree-cfg.c (find_outermost_region_in_block): Use it.
8181 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8183 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8185 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8186 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8187 (init_reload, reload): Use VEC instead of VARRAY.
8188 * reload.h: Update the prototype for
8189 reg_equiv_memory_loc_varray.
8191 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8192 Eric Botcazou <ebotcazou@libertysurf.fr>
8194 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8197 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8200 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8201 to expand fallback builtin function call.
8203 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8206 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8207 and emit libcall here in case the builtin fails.
8208 (expand_builtin_strcmp): Always emit the libcall here on failure.
8210 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8212 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8213 * flow.c (reg_n_info): Change the type to
8214 VEC(reg_info_p,heap) *.
8215 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8217 * regs.h (reg_info_p): New.
8218 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8219 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8220 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8223 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8225 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8227 * params.h (MAX_SCHED_READY_INSNS): New macro.
8228 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8229 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8230 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8231 the ready list for 1 cycle during the first scheduling pass.
8232 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8234 2006-04-13 Richard Henderson <rth@redhat.com>
8237 * gimple-low.c (lower_omp_directive): Remove dead code.
8238 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8239 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8240 * omp-low.c (struct omp_region): Move to tree-flow.h.
8241 (root_omp_region): Export.
8242 (omp_regions, lookup_omp_region): Remove.
8243 (determine_parallel_type): Update for struct omp_region changes.
8244 (dump_omp_region): Dump regions with block numbers.
8245 (new_omp_region): Take type and block instead of stmt; malloc
8247 (free_omp_region_1, free_omp_regions): New.
8248 (expand_parallel_call): Take entry_stmt as argument; update for
8249 changes to omp_region.
8250 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8251 (remove_exit_barriers): New.
8252 (expand_omp_parallel): Update for struct omp_region changes.
8253 (expand_omp_synch): Likewise.
8254 (expand_omp): Likewise.
8255 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8256 (expand_omp_for_static_chunk): Likewise.
8257 (expand_omp_for): Likewise.
8258 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8259 (expand_omp_sections): Similarly, with GOMP_sections_end.
8260 (expand_omp_single): New.
8261 (build_omp_regions_1): Update for OMP_CONTINUE.
8262 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8263 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8264 OMP_SECTIONS_SECTIONS.
8265 (lower_omp_single_simple): Don't emit barrier here.
8266 (lower_omp_single_copy): Likewise.
8267 (lower_omp_single): Fix bindings, and lower to straightline now.
8268 (lower_omp_master, lower_omp_ordered): Likewise.
8269 (lower_omp_critical): Likewise.
8270 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8271 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8272 omp edges, free it afterward.
8273 (make_omp_sections_edges): Remove.
8274 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8275 (move_stmt_r): Handle OMP_CONTINUE.
8276 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8277 statement pointers to basic blocks. Add type member.
8278 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8279 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8280 * tree-inline.c (estimate_num_insns_1): Likewise.
8281 * tree-pretty-print.c (dump_generic_node): Likewise.
8282 * tree-ssa-operands.c (get_expr_operands): Likewise.
8283 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8284 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8285 (OMP_CONTINUE): New.
8286 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8287 (OMP_SECTIONS_SECTIONS): Remove.
8288 (OMP_SECTION_LAST): New.
8289 (OMP_RETURN_NOWAIT): New.
8291 2006-04-13 Roger Sayle <roger@eyesopen.com>
8293 * fold-const.c (native_encode_vector, native_interpret_real):
8294 Correct obvious mistakes in the previous check-in.
8296 2006-04-13 Roger Sayle <roger@eyesopen.com>
8298 * fold-const.c (native_encode_expr): New function to encode
8299 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8300 or VECTOR_CST into a specified buffer.
8301 (native_encode_int): New function.
8302 (native_encode_real): New function.
8303 (native_encode_complex): New function.
8304 (native_encode_vector): New function.
8305 (native_interpret_expr): Inverse of native_encode_expr to convert
8306 a target representation into an INTEGER_CST, REAL_CST etc...
8307 (native_interpret_int): New function.
8308 (native_interpret_real): New function.
8309 (native_interpret_complex): New function.
8310 (native_interpret_vector): New function.
8311 (fold_view_convert_expr): New function to constant fold/evaluate
8312 a VIEW_CONVERT_EXPR of a suitable constant expression.
8313 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8314 Change call of build1 to fold_build1 when constructing a
8317 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8318 Ulrich Weigand <uweigand@de.ibm.com>
8321 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8324 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8327 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8328 optimize to lo_sum for DFmode if !TARGET_FPRS.
8330 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8332 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8333 delete_alias_info, compute_flow_sensitive_aliasing,
8334 group_aliases): Use VEC instead of VARRAY.
8335 * tree-ssa-structalias.c (update_alias_info): Likewise.
8336 * tree-ssa-structalias.h (alias_info): Change the type of
8337 processed_ptrs to VEC(tree,heap) *.
8339 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8342 * config/sh/lib1funcs.h: New file, broken out of:
8343 * config/sh/lib1funcs.asm.
8344 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8346 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8347 * config/sh/lib1funcs-Os-4-200.asm: New file.
8348 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8349 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8350 (EXTRA_MULTILIB_PARTS): Include it.
8351 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8352 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8353 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8354 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8357 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8359 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8360 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8361 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8363 * tree-ssa-live.h: Include vecprim.h.
8364 (tree_partition_associator_d): Change the type of
8365 first_partition to VEC(int,heap) *.
8366 (tpa_first_partition): Use VEC instead of VARRAY.
8368 * Makefile.in (GTFILES): Move functions.h after tree.h.
8369 * function.c (reset_block_changes, record_block_change,
8370 check_block_change, free_block_changes): Use VEC instead of
8372 * function.h (function): Change the type of
8373 ib_boundaries_block to VEC(tree,gc) *.
8374 * tree-inline.c (copy_cfg_body): Initialize
8375 ib_boundaries_block to NULL instead of (varray_type) 0.
8377 2006-04-12 Roger Sayle <roger@eyesopen.com>
8379 * expr.c (emit_group_store): Correct operand order in call to
8380 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8381 a SUBREG_BYTE of zero.
8383 2006-04-12 Richard Guenther <rguenther@suse.de>
8385 * profile.c (compute_branch_probabilities): Remove code
8386 encapsulated in !ir_type (), which are remanents of the
8387 removed RTL profiling code.
8388 * rtl-profile.c: Remove.
8390 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8392 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8393 magic NULL_RTX comment.
8394 (function_arg): Store entire fp arg to mem if any part should go
8396 (rs6000_arg_partial_bytes): Adjust for above change.
8398 2006-04-11 Roger Sayle <roger@eyesopen.com>
8400 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8401 if it hasn't been initialized by dwarf2out_init.
8403 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8405 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8406 symbolic constants in branch patterns.
8408 2006-04-11 Roger Sayle <roger@eyesopen.com>
8410 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8412 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8414 PR rtl-optimization/27073
8415 * gcse.c (try_replace_reg): Revert last change. Continue to search
8416 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8419 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8421 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8422 aggregate types other than record and union types.
8423 (function_arg): Likewise.
8424 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8426 (function_value): In 64-bit mode, return objects that require it
8429 2006-04-11 Roger Sayle <roger@eyesopen.com>
8431 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8433 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8435 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8437 2006-04-03 Jeff Law <law@redhat.com>
8440 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8441 alias information too.
8443 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8445 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8447 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8450 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8451 (premark_used_types_helper): New.
8452 (premark_used_types): New.
8453 (gen_subprogram_die): Call premark_used_types.
8454 (prune_unused_types_walk): Do not prune perennial dies.
8455 * function.c (used_types_insert): New.
8456 * function.h (struct function): Add used_types_hash field.
8457 (used_types_insert): Add prototype.
8458 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8459 * c-parser.c (c_parser_cast_expression): Save casted types in used
8462 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8465 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8466 rs6000_explicit_options.float_gprs.
8468 2006-04-10 Roger Sayle <roger@eyesopen.com>
8470 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8471 from ix86_expand_vector_init_low_nonzero. Take an additional
8472 one_var argument indicating which element is non-zero. Support
8473 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8474 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8475 with one_var instead of ix86_expand_vector_init_low_nonzero.
8477 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8479 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8480 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8481 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8482 build/genextract.o): Depend on vecprim.h.
8483 * cfglayout.c, df-problems.c, function.c, genextract.c,
8484 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8485 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8489 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8491 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8492 Declare VECs of this type.
8493 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8494 (remove_children): Delete.
8495 (add_dwarf_attr): Use VEC routines.
8496 (add_AT_flag): Update for changes to add_dwarf_attr.
8497 (add_AT_int): Likewise.
8498 (add_AT_unsigned): Likewise.
8499 (add_AT_long_long): Likewise.
8500 (add_AT_vec): Likewise.
8501 (add_AT_string): Likewise.
8502 (add_AT_die_ref): Likewise.
8503 (add_AT_fde_ref): Likewise.
8504 (add_AT_loc): Likewise.
8505 (add_AT_loc_list): Likewise.
8506 (add_AT_addr): Likewise.
8507 (add_AT_lbl_id): Likewise.
8508 (add_AT_lineptr): Likewise.
8509 (add_AT_macptr): Likewise.
8510 (add_AT_offset): Likewise.
8511 (add_AT_range_list): Likewise.
8512 (get_AT): Use VEC_iterate.
8513 (remove_AT): Use VEC_ordered_remove.
8514 (free_die): Fold remove_children into here; have it use VEC_iterate.
8515 (print_die): Use VEC_iterate on attrs.
8516 (reverse_die_lists): Don't reverse attr lists.
8517 (die_checksum): Use VEC_iterate on attrs.
8518 (same_die_p): Likewise.
8519 (output_location_lists): Likewise.
8520 (build_abbrev_table): Likewise.
8521 (size_of_die): Likewise.
8522 (unmark_all_dies): Likewise.
8523 (output_abbrev_section): Likewise.
8524 (output_die): Likewise.
8525 (prune_unused_types_walk_attribs): Likewise.
8527 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8529 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8531 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8534 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8536 2006-04-09 Roger Sayle <roger@eyesopen.com>
8538 * expr.c (store_constructor): Don't bother clearing target if
8539 we're about to assign a vector to it using vec_init_optab.
8541 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8543 * tree-ssa-alias.c (lhs_may_store_to): New function.
8544 (recalculate_used_alone): Handle LHS of calls.
8546 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8550 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8551 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8552 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8553 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8554 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8555 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8556 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8557 stubs. Add ".align 8" directives before all ".dword" directives.
8558 (GTHREAD_USE_WEAK): Revise comment.
8559 (TARGET_ATTRIBUTE_WEAK): Define.
8560 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8561 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8562 * stublib.c: New file.
8567 * pa.md (cbranch patterns): Revise arguments used in calls to
8568 output_cbranch, output_bb and output_bvd. Add long branch length
8570 (fbranch patterns): Handle long branches.
8571 (jump): Revise length check. Revise arguments for output_lbranch call.
8572 Add long branch length attributes.
8573 (decrement_and_branch_until_zero): Add long branch length attributes.
8574 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8575 Likewise. Revise arguments for output_parallel_addb and
8576 output_parallel_movb calls.
8577 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8578 output_parallel_movb and output_parallel_addb): Update prototypes.
8579 * pa.c (output_cbranch): Revise arguments. Correct handling of
8580 nullification in long branches.
8581 (output_lbranch): Add new argument to control extraction of delay
8583 (output_bb): Handle long branches.
8584 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8585 output_parallel_addb): Likewise.
8587 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8589 PR rtl-optimization/27073
8590 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8593 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8595 * tree.h (tree_memory_tag): Add old_used_alone.
8596 (SMT_OLD_USED_ALONE): New macro.
8597 * tree-ssa-alias.c (recalculate_used_alone): Stop
8598 marking things for renaming unnecessarily.
8600 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8602 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8603 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8604 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8605 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8606 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8607 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8608 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8609 spelling convensions.
8610 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8611 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8612 typos. Follow spelling conventions.
8614 2006-04-07 DJ Delorie <dj@redhat.com>
8616 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8617 passed on the stack.
8618 (m32c_init_cumulative_args): When a function returns a structure,
8619 always pass the pointer to that return area on the stack.
8620 (m32c_function_arg_advance): Don't increment the parameter number
8621 if we're processing the returned structure pointer.
8622 (pushm_info): Reverse order of registers.
8624 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8626 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8627 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8628 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8629 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8631 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8632 chrec_fold_multiply): Same.
8633 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8634 force_expr_to_var_cost): Same.
8635 * tree-mudflap.c (mf_xform_derefs_1): Same.
8636 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8638 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8640 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8641 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8644 2006-04-07 Jan Hubicka <jh@suse.cz>
8646 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8648 2006-04-07 Richard Guenther <rguenther@suse.de>
8650 PR tree-optimization/26135
8651 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8652 loads for store copy-prop.
8653 (copy_prop_visit_stmt): Likewise.
8655 2006-04-05 Robert Millan <robertmh@gnu.org>
8657 * config/i386/linux.h: Add a comment to mark macros that are
8658 being overriden in config/k*bsd-gnu.h.
8659 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8661 * config/knetbsd-gnu.h: Ditto.
8663 2006-04-06 Jan Hubicka <jh@suse.cz>
8667 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8670 2006-04-06 Mike Stump <mrs@apple.com>
8672 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8673 for HAVE_nonlocal_goto to be consistent.
8674 (expand_builtin_nonlocal_goto): Likewise.
8675 (expand_builtin_strcmp): Use #ifdef instead of #if
8676 for HAVE_cmpstrnsi to be consistent.
8678 2006-04-05 DJ Delorie <dj@redhat.com>
8680 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8683 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8685 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8686 got-relative addressing for anything but SImode.
8688 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8689 even if the calling function doesn't modify them.
8691 2006-04-05 Richard Guenther <rguenther@suse.de>
8693 PR tree-optimization/26919
8694 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8695 to cgraph_estimate_size_after_inlining.
8697 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8699 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8701 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8703 PR tree-optimization/26996
8704 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8705 VECTOR_TYPE variables.
8707 2006-04-05 Richard Guenther <rguenther@suse.de>
8709 PR tree-optimization/26763
8710 * fold-const.c (fold_comparison): Move folding of
8711 PTR + CST CMP PTR + CST ...
8712 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8714 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8716 * doc/install.texi (Prerequisites): Refine some wording on
8717 bootstrapping and ksh.
8718 Move the version numbers of DejaGnu here from the testing section
8719 and fix casing of names.
8720 Fix markup and clarify wording for autogen requirements.
8721 Refer to GCJ instead of just java.
8722 Refer to SVN instead of CVS.
8723 Describe diffutils as useful instead of necessary.
8724 (Downloading the source): Refer to SVN instead of CVS.
8725 Adjust a link to our web site accordingly.
8726 (Configuration): Fix casing of Bison.
8727 (Building): Refer to SVN instead of CVS.
8728 Fix a sentence on the use of Bison and remove duplicate (and
8729 incorrect) version number of Bison requirement.
8730 Remove one redundant list of packages needed for building.
8731 (Specific): Avoid reference to CVS.
8733 2006-04-04 Eric Christopher <echristo@apple.com>
8735 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8736 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8737 (rs6000_handle_struct_attribute): New.
8738 (rs6000_ms_bitfield_layout_p): Ditto.
8740 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8742 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8743 NULL for dso parameter to atexit_common.
8745 2006-04-04 Eric Christopher <echristo@apple.com>
8747 * config/i386/i386.c (machopic_output_stub): Output \t
8748 between instructions and operands.
8750 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8752 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8753 satisfies_constraint_[IL] to explicit tests on value.
8755 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8757 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8758 set_nb_iterations_in_loop): Use build_int_cst instead of
8760 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8761 build_int_cst instead of convert.
8763 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8765 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8766 new value 2 for incoming.
8767 * function.c (expand_function_start): Call struct_value_rtx
8769 * config/sparc/sparc.md: Comment updated_return.
8770 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8771 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8772 struct return if sparc_std_struct_return and incoming is 2.
8773 (print_operand): Do not adjust return if
8774 sparc_std_struct_return.
8776 2006-04-04 Roger Sayle <roger@eyesopen.com>
8778 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8779 convert in the middle-end.
8780 * expr.c (store_expr, store_constructor, get_inner_reference,
8781 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8783 * tree.c (build_range_type): Likewise.
8785 2006-04-04 Tom Tromey <tromey@redhat.com>
8787 * doc/install.texi (Prerequisites): Mention jar.
8789 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8791 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8794 2006-04-04 Matthias Klose <doko@debian.org>
8796 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8800 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8803 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8805 * doc/extend.texi (Function Attributes): Rewrite visibility
8806 attribute documentation.
8807 * doc/invoke.texi (C++ Dialect Options): Rewrite
8808 -fvisibility-inlines-hidden documentation to describe something
8809 entirely different, although in practise compatible.
8810 (Code Gen Options): Warn about system headers in -fvisibility=
8813 * doc/extend.texi (Other Builtins): Document that
8814 __builtin_nan is a compile-time constant only when its argument
8817 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8819 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8820 trying to remove TRUNCATE check if all bits outside the new mode
8821 are identical to the sign bit.
8823 2006-04-03 Jeff Law <law@redhat.com>
8825 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8826 and operand scanning in some common cases.
8828 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8829 Dale Johannesen <dalej@apple.com>
8832 * regclass.c (struct reg_pref): Update documentation.
8833 (regclass): Set prefclass to NO_REGS if memory is the best option.
8834 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8835 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8836 into account. For non-registers, equate an empty preferred
8837 reload class to a `!' in the constraint; move the if clause to
8838 do so after those that reject the insn.
8839 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8841 (find_dummy_reload): Likewise.
8842 * doc/tm.texi (Register Classes): Document what it means
8843 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8844 * config/i386/i386.c (ix86_preferred_reload_class): Force
8845 using SSE registers (and return NO_REGS for floating-point
8846 constants) if math is done with SSE.
8847 (ix86_preferred_output_reload_class): New.
8848 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8849 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8850 * config/i386/i386.md: Remove # register preferences.
8852 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8855 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8856 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8857 the type of nb_iter.
8858 (instantiate_parameters_1): Convert the operands before calling
8859 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8860 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8862 2006-04-02 Roger Sayle <roger@eyesopen.com>
8864 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8865 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8867 * dojump.c (do_jump): Likewise.
8868 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8869 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8870 gimplify_boolean_expr): Likewise.
8871 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8872 * varasm.c (array_size_for_constructor): Likewise.
8873 * tree-object-size.c (compute_object_offset): Likewise.
8875 2006-04-02 Roger Sayle <roger@eyesopen.com>
8878 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8879 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8881 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8883 PR tree-optimization/26939
8884 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8886 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8888 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8889 at_stmt. Convert the type of operands before calling
8890 build_polynomial_chrec.
8891 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8893 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8894 (instantiate_parameters_1): Convert the type of operands before calling
8895 build_polynomial_chrec.
8896 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8897 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8898 reset_evolution_in_loop): Insert asserts to check the types of the
8900 (chrec_type): Moved...
8901 (eq_evolutions_p): Use operand_equal_p.
8902 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8903 the types of the operands.
8904 (chrec_type): ...here.
8905 * tree-data-ref.c (create_data_ref): Convert the operands before
8906 calling chrec_replace_initial_condition.
8907 (same_access_functions, analyze_subscript_affine_affine,
8908 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8909 (compute_subscript_distance, analyze_ziv_subscript,
8910 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8911 analyze_miv_subscript): Convert the operands before calling
8912 chrec_fold_minus or chrec_fold_plus.
8914 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8916 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8917 the dependence_relations vector.
8918 (compute_data_dependences_for_loop): Adjust call to
8919 compute_all_dependences.
8921 2006-04-01 Roger Sayle <roger@eyesopen.com>
8922 Richard Henderson <rth@redhat.com>
8924 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8925 gimple_boolify on the condition before calling gimplify_expr.
8927 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8929 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8930 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8931 the frame size. Update to use the new macros.
8932 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8933 * config/xtensa/ieee754-df.S: Likewise.
8935 2006-03-31 Richard Henderson <rth@redhat.com>
8937 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8938 (make_edges): ... here. Control fallthru creation with a local
8939 variable. Do not play with fake edges.
8940 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8941 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8944 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8946 * dwarf2.h (DW64_CIE_ID): Define.
8947 * dwarf2out.c (DWARF_CIE_ID): Define.
8948 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8949 length header. Use DWARF_CIE_ID.
8950 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8951 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8953 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8955 * config/sh/linux-atomic.asm: New file.
8956 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8958 2006-03-31 DJ Delorie <dj@redhat.com>
8960 * config/m32c/cond.md: Set condition flags properly throughout.
8961 * config/m32c/minmax.md: Likewise.
8962 * config/m32c/prologue.md: Likewise.
8963 * config/m32c/bitops.md: Likewise.
8964 * config/m32c/muldiv.md: Likewise.
8965 * config/m32c/mov.md: Likewise.
8966 * config/m32c/addsub.md: Likewise.
8967 * config/m32c/m32c.md: Likewise.
8968 * config/m32c/jump.md: Likewise.
8969 * config/m32c/shift.md: Likewise.
8971 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8972 conditionally output the pattern for this.
8973 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8974 (m32c_compare_redundant): New.
8975 (m32c_output_compare): New.
8976 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8978 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8979 dest, not src. Allow other 4-byte modes.
8981 2006-03-30 Denis Chertykov <denisc@overta.ru>
8983 * doc/md.texi: Refer to avr/constraints.md instead of
8986 2006-03-30 Roger Sayle <roger@eyesopen.com>
8988 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8989 signed vs. unsigned comparison failures on some hosts.
8991 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8994 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8995 change to FLOAT_REGS.
8997 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8998 (rs6000_override_options): Use it.
8999 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
9000 only for -mabi=spe/no-spe and -mabi=altivec.
9002 2006-03-30 Geoffrey Keating <geoffk@apple.com>
9004 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
9007 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
9009 * Makefile.in: Rename docdir to gcc_docdir.
9011 2006-03-30 Roger Sayle <roger@eyesopen.com>
9014 * expr.c (emit_group_store): Optimize group stores into a pseudo
9015 register by using a paradoxical subreg to initialize the destination
9016 if the first or last member of the group specifies a "low part".
9018 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9021 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
9022 * target.h (struct gcc_target.speculate_insn): Change type of the
9023 second parameter to 'int'.
9024 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
9025 the second operand of the DEPS_LIST.
9026 (copy_DEPS_LIST_list): Update reference to the second operand of the
9028 * rtl.h (alloc_DEPS_LIST): Update signature.
9029 * sched-int.h (ds_t): Change typedef to 'int'.
9030 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9032 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9034 * haifa-sched.c (try_ready): Change condition to restore
9035 non-speculative pattern of the instruction.
9036 (process_insn_depend_be_in_spec): Code to keep probability of the
9037 speculative dependence non-decreasing.
9039 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9041 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9042 (single_move_for_movmem): ... this. Also change all uses.
9043 (bfin_expand_strmov): Renamed to...
9044 (bfin_expand_movmem): ... this. Also change all uses.
9045 * config/bfin/bfin.md (movstrsi): Renamed to...
9046 (movstrsi): ...this.
9048 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9050 PR tree-optimization/26830
9052 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9053 (copy_prop_visit_stmt): Remove write-only variable ann.
9054 (init_copy_prop): Check variable loop depth here. Do not simulate
9055 memory-tag and virtual operand PHIs except for store copy prop.
9057 2006-03-30 Richard Guenther <rguenther@suse.de>
9059 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9060 variants with double arguments.
9062 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9064 * genpreds.c (write_tm_constrs_h): Delete variable p.
9065 * genconditions.c (write_header): Add tm-constrs.h to included
9067 * genpeep.c (main): Add toplev.h to included headers.
9068 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9069 (build/genpeep.o): Add toplev.h dependency.
9070 * config/rs6000/constraints.md: Add "W" constraint.
9072 2006-03-29 Roger Sayle <roger@eyesopen.com>
9074 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9075 sizes by correctly testing whether the size fits a host integer.
9076 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9077 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9078 SImode range for the default sizetype and bitsizetype.
9080 2006-03-29 Roger Sayle <roger@eyesopen.com>
9082 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9083 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9084 quickly if the argument is already of the correct type.
9085 Call fold_build1 instead of build1. Tidy up blank lines.
9087 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9089 * genemit.c (main): Add tm-constrs.h to included headers.
9090 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9091 * genpeep.c (main): Add tm-constrs.h to included headers.
9092 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9093 (write_tm_constrs_h): this and write complete file.
9094 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9095 (write_insn_preds_c): Add tm-constrs.h to included headers.
9096 (gen_constrs): New variable.
9097 (parse_option): Parse "-c".
9098 (main): Invoke write_tm_constrs_h.
9099 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9100 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9101 (object_out_file): Add tm-constrs.h dependency.
9102 (insn-emit.o): Same.
9103 (insn-output.o): Same.
9104 (insn-peep.o): Same.
9105 (insn-preds.o): Same.
9106 (insn-recog.o): Same.
9107 (tm-constsr.h): New target.
9108 (s-constrs-h): New target.
9110 * config/rs6000/constraints.md: New file.
9111 * config/rs6000/rs6000.c: Include tm-constrs.h.
9112 (num_insn_constant_wide): Convert to satisfies_constraint.
9113 (rs6000_rtx_costs): Convert to satisfies_constraint.
9114 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9115 (CONST_OK_FOR_LETTER_P): Delete.
9116 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9117 (EXTRA_CONSTRAINT): Delete.
9118 (EXTRA_MEMORY_CONSTRAINT): Delete.
9119 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9120 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9121 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9122 satisfies_constraint.
9124 * config/i386/i386.c: Include tm-constrs.h.
9126 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9128 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9129 * tree-data-ref.c (find_data_references_in_loop,
9130 compute_data_dependences_for_loop): Use pointers to VEC.
9131 (analyze_all_data_dependences): Adjust calls.
9132 * tree-data-ref.h (find_data_references_in_loop,
9133 compute_data_dependences_for_loop): Adjust declarations.
9134 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9135 compute_data_dependences_for_loop.
9137 2006-03-29 Paul Brook <paul@codesourcery.com>
9139 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9142 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9144 PR tree-optimization/26859
9145 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9147 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9148 for the step after fold_convert.
9150 2006-03-29 Paul Brook <paul@codesourcery.com>
9152 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9153 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9155 2006-03-29 Paul Brook <paul@codesourcery.com>
9158 * targhooks.c (default_narrow_bitfield): New fuction.
9159 * targhooks.h (default_narrow_bitfield): add prototype.
9160 * target.h (gcc_target): Add narrow_volatile_bitfield.
9161 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9162 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9163 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9164 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9166 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9168 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9170 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9171 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9172 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9173 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9174 (s390_function_arg_float): Allow SDmode and DDmode values to be
9175 passed in floating point registers.
9176 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9177 check with SCALAR_FLOAT_MODE_P.
9178 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9180 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9182 PR tree-optimization/25985
9183 * tree-ssa-loop-niter.c (number_of_iterations_le,
9184 number_of_iterations_ne): Make comments more precise.
9185 (number_of_iterations_cond): Add only_exit argument. Use the
9186 fact that signed variables do not overflow only when only_exit
9188 (loop_only_exit_p): New.
9189 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9190 number_of_iterations_cond.
9192 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9194 PR tree-optimization/26643
9195 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9198 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9200 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9201 (divsi3_i4_int): Likewise.
9203 2006-03-28 Roger Sayle <roger@eyesopen.com>
9205 * expr.c (emit_group_store): Only create a new pseudo reg if the
9206 quantity it needs to hold isn't already a suitable pseudo.
9208 2006-03-28 Jeff Law <law@redhat.com>
9210 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9211 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9213 2006-03-28 Roger Sayle <roger@eyesopen.com>
9215 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9216 the equivalent ~X & Y, and the symmetry related transformations.
9217 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9218 ~X & Y, and symmetry related transforms.
9220 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9222 Revert my 2006-03-27 patches.
9224 2006-03-28 Roger Sayle <roger@eyesopen.com>
9226 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9227 ~(T1)X, when T1 and T2 are integer types of the same precision
9228 and (T2)X isn't an extension.
9230 2006-03-28 Jeff Law <law@redhat.com>
9232 PR tree-optimization/26796
9233 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9234 need EH edge cleanups rather than purging them immediately.
9235 (eliminate_degenerate_phis): Handle queued EH cleanups.
9237 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9239 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9242 2006-03-27 Roger Sayle <roger@eyesopen.com>
9245 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9246 cast BIT_NOT_EXPR operand to the correct type.
9248 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9250 * tree-loop-linear.c: Don't include varray.h.
9251 (gather_interchange_stats, try_interchange_loops,
9252 linear_transform_loops): Use VEC instead of VARRAY.
9253 * lambda-mat.c: Don't include varray.h.
9254 * tree-chrec.c: Same.
9255 * lambda-trans.c: Same.
9256 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9257 VEC instead of VARRAY.
9258 * tree-vectorizer.h: Idem.
9259 * tree-data-ref.c (dump_data_references,
9260 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9261 initialize_data_dependence_relation, finalize_ddr_dependent,
9262 compute_all_dependences, find_data_references_in_loop,
9263 compute_data_dependences_for_loop, analyze_all_data_dependences,
9264 free_dependence_relation, free_dependence_relations,
9265 free_data_refs): Idem.
9266 * tree-data-ref.h (data_reference_p, subscript_p): New.
9267 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9268 VEC instead of VARRAY.
9269 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9270 (find_data_references_in_loop, compute_data_dependences_for_loop,
9271 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9272 dump_data_dependence_relations, free_dependence_relations,
9273 free_data_refs): Adjust declaration.
9274 (lambda_transform_legal_p): Move declaration here...
9275 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9276 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9277 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9278 vect_analyze_data_refs): Use VEC instead of VARRAY.
9279 * lambda.h (lambda_transform_legal_p): ...from here.
9280 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9281 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9282 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9283 tree-chrec.o): Don't depend on VARRAY_H.
9285 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9287 * rtl.def (Copyright): Update date.
9288 (DEPS_LIST): Change type of the second operand to 'int'.
9289 * target.h (Copyright): Update date.
9290 (struct gcc_target.speculate_insn): Change type of the second parameter
9292 * lists.c (Copyright): Update date.
9293 (alloc_DEPS_LIST): Change signature. Update reference to the second
9294 operand of the DEPS_LIST.
9295 (copy_DEPS_LIST_list): Update reference to the second operand of the
9297 * rtl.h (Copyright): Update date.
9298 (alloc_DEPS_LIST): Update signature.
9299 * sched-int.h (Copyright): Update date.
9300 (ds_t): Change typedef to 'int'.
9301 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9303 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9305 * haifa-sched.c (Copyright): Update date.
9306 (try_ready): Change condition to restore non-speculative pattern
9308 (process_insn_depend_be_in_spec): Code to keep probability of the
9309 speculative dependence non-decreasing.
9311 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9313 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9314 shut up the compiler.
9316 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9318 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9319 to use lib prefix for target.
9320 ($(T)libic_invalidate_array_4-200.a): Likewise.
9321 ($(T)libic_invalidate_array_4a.a): Likewise.
9323 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9324 J"orn Rennecke <joern.rennecke@st.com>
9326 * superh.opt: New file.
9327 * sh.c (boardtype, osruntime): Remove.
9328 * superh.h (SUBTARGET_OPTIONS): Remove.
9329 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9331 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9332 arguments with ^ and/or [].
9334 * config.gcc (sh-*-*): Add quoting to account for quirk of
9336 Replace == with = in enable_incomplete_targets test.
9338 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9339 with MASK_LITTLE_ENDIAN.
9341 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9342 * config/sh/sh.opt: Added to some comments.
9343 * config/sh/superh.h: Removed some chaff.
9345 * config/sh/sh.opt: Add m4-[1234]00* options.
9346 * config/sh/sh.c (sh_handle_option): Likewise.
9347 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9348 (ic_invalidate_array_4-100.o): New rule.
9349 ($(T)libic_invalidate_array_4-100.a): Likewise.
9350 (ic_invalidate_array_4-200.o): Likewise.
9351 ($(T)libic_invalidate_array_4-200.a): Likewise.
9352 (ic_invalidate_array_4a.o): Likewise.
9353 ($(T)libic_invalidate_array_4a.a): Likewise.
9354 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9355 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9357 * config/sh/crt1.asm: Merged in profiling code.
9358 * config/sh/superh.h (STARTFILE_SPEC): Override.
9359 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9360 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9361 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9363 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9364 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9365 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9367 * sh.opt (mpretend-cmove): New option.
9368 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9369 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9370 (movsicc): Add TARGET_PRETEND_CMOVE code.
9372 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9374 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9375 s390_class_max_nregs): New function prototypes.
9376 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9377 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9378 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9379 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9381 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9383 * dwarf2out.c (add_location_or_const_value_attribute): Call
9384 tree_add_const_value_attribute if nothing else works.
9385 (reference_to_unused): New.
9386 (rtl_for_decl_init): Use reference_to_unused to decide whether
9387 to output an initializer.
9389 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9392 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9393 peephole removing spe frob_di_df_2.
9395 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9397 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9398 (subscript_dependence_tester_1): Declared.
9399 (print_dir_vectors, print_dist_vectors): New.
9400 (debug_data_dependence_relation): New.
9401 (dump_data_dependence_relation): Print more details.
9402 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9403 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9404 (save_dist_v, save_dir_v, add_outer_distances,
9405 build_classic_dist_vector_1): New.
9406 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9407 Don't test for lambda_vector_lexico_pos.
9408 (same_access_functions, add_multivariate_self_dist,
9409 add_other_self_distances, dir_from_dist): New.
9410 (build_classic_dir_vector): Replace implementation almost identical to
9411 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9413 (subscript_dependence_tester_1): New.
9414 (subscript_dependence_tester): Handle the lexicographically negative
9415 distance vectors by recomputing the dependence relation.
9416 (compute_affine_dependence): Remove parameter loop_nest_depth.
9417 (compute_self_dependence): Don't call compute_subscript_distance.
9418 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9419 Add a parameter for the loop_nest.
9420 (find_loop_nest_1, find_loop_nest): New.
9421 (compute_data_dependences_for_loop): Compute the loop nest, and give
9422 up if the nest is not well formed.
9423 * tree-data-ref.h (loop_p): New.
9424 (struct data_dependence_relation): Replace size_vect field with
9425 loop_nest, a vec of loops.
9426 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9427 (DDR_LOOP_NEST): New.
9428 (print_dir_vectors, print_dist_vectors,
9429 debug_data_dependence_relation): Declared.
9430 (index_in_loop_nest): New.
9431 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9432 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9435 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9437 * simplify-rtx.c (simplify_relational_operation): Call
9438 simplify_relational_operation_1 even if mode is VOIDmode.
9440 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9442 PR tree-optimization/26804
9443 * tree.h (DECL_CALL_CLOBBERED): New macro.
9444 (tree_decl_common): Add call_clobbered_flag.
9445 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9446 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9447 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9448 (mark_non_addressable): Ditto.
9449 * tree-ssa.c (verify_call_clobbered): New function.
9450 (verify_alias_info): Use it.
9451 * tree-pass.h (pass_reset_cc_flags): New prototype.
9452 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9453 (reset_cc_flags): New function.
9454 * passes.c (init_optimization_passes): Call reset_cc_flags after
9455 initializing referenced_vars.
9457 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9458 Roger Sayle <roger@eyesopen.com>
9461 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9462 to 1.0 for non-real operands. Implement A / A optimization for
9465 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9467 * config/i386/i386.c (size_cost): Correct the comment for
9468 cost of storing fp registers.
9469 (i386_cost): Likewise.
9470 (i486_cost): Likewise.
9471 (pentium_cost): Likewise.
9472 (pentiumpro_cost): Likewise.
9473 (k6_cost): Likewise.
9474 (athlon_cost): Likewise.
9475 (k8_cost): Likewise.
9476 (pentium4_cost): Likewise.
9477 (nocona_cost): Likewise.
9478 (generic64_cost): Likewise.
9479 (generic32_cost): Likewise.
9481 2006-03-24 Denis Chertykov <denisc@overta.ru>
9483 * config/avr/avr-protos.h (extra_constraint): Delete.
9484 (extra_constraint_Q): New declaration.
9485 * config/avr/constraints.md: New file.
9486 * config/avr/avr.md: Include it.
9487 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9488 (TMP_REGNO, ZERO_REGNO): Likewise.
9489 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9490 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9491 (extra_constraint): Delete.
9492 (extra_constraint_Q): Test for memory constraint 'Q'.
9493 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9494 (REG_CLASS_FROM_LETTER): Delete.
9495 (CONST_OK_FOR_LETTER_P): Delete.
9496 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9497 (EXTRA_CONSTRAINT): Delete.
9498 (TMP_REGNO): Delete.
9499 (ZERO_REGNO): Delete.
9501 2006-03-24 Jeff Law <law@redhat.com>
9503 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9504 directly. Call mark_new_vars_to_rename slightly earlier.
9506 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9508 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9510 (gen_compile_unit_die): Use new language types for Objective-C and
9512 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9513 DW_LANG_C_plus_plus.
9516 * config/t-darwin (crt3.o): Work around bug 26840.
9517 * config/darwin-crt3.c: Rewrite.
9518 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9520 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9522 * doc/invoke.texi: Document -femit-class-debug-always
9523 * common.opt: Add -femit-class-debug-always.
9525 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9527 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9528 index and base register.
9529 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9530 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9531 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9532 REGNO_OK_FOR_INDEX_P.
9533 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9535 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9536 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9537 REG_OK_FOR_BASE_P): Definitions removed.
9539 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9542 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9543 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9544 set yet or weren't marked as local yet.
9546 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9548 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9551 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9553 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9554 (rs6000_legitimate_small_data_p): Delete.
9555 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9556 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9557 and make static. Add forward declaration. Update uses.
9558 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9559 of offsettable_memref_p.
9560 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9561 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9563 2006-03-24 Jeff Law <law@redhat.com>
9565 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9566 around bug in immediate-use iterator.
9568 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9571 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9572 or __LITTLE_ENDIAN__.
9574 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9576 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9577 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9578 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9579 * config/sh/sh.opt (mdiv=): Amend description.
9580 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9581 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9582 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9583 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9584 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9585 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9586 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9587 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9588 TARGET_DIVIDE_CALL_FP.
9590 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9592 * haifa-sched.c (choose_ready): Fix type of the local variable.
9593 Move local variables. Add comment.
9594 (check_reg_live): Change signature. Make callable from debugger.
9595 * sched-int.h (check_reg_live): Update signature.
9596 * sched-ebb.c (check_reg_live): Update parameters.
9597 * sched-rgn.c (check_reg_live): Ditto.
9598 (region_head_or_leaf_p): Check pointer before dereferencing.
9599 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9600 before reload on optimization levels below 1.
9602 2006-03-23 Richard Henderson <rth@redhat.com>
9604 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9608 * config/alpha/predicates.md (local_symbolic_operand): Reject
9611 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9614 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9615 expressions which have overflowed constants.
9617 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9619 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9621 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9623 * cfgloopmanip.c (create_loop_notes): Removed.
9624 * final.c (final_scan_insn): Do not handle loop notes.
9625 * jump.c (squeeze_notes): Ditto.
9626 * cfglayout.c (skip_insns_after_block,
9627 duplicate_insn_chain): Ditto.
9628 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9630 * cfgloop.h (create_loop_notes): Declaration removed.
9632 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9634 * varasm.c (output_constant_pool): Restore fnname and fndecl
9636 (assemble_start_function): Adjust call accordingly.
9637 (assemble_end_function): Likewise.
9639 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9642 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9645 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9647 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9650 * system.h (ICE_EXIT_CODE): New macro.
9651 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9652 (diagnostic_action_after_output): Likewise.
9653 * gcc.c (fatal_ice): New function.
9654 (execute): Use it instead of fatal.
9655 (fancy_abort): Likewise.
9656 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9658 2006-03-22 Jeff Law <law@redhat.com>
9660 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9661 iv_analyze_result returning false.
9663 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9665 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9667 2006-03-22 Richard Henderson <rth@redhat.com>
9670 * except.c (duplicate_eh_regions_0): New.
9671 (duplicate_eh_region_1): Duplicate the children of the node as
9672 well as the node itself. Link them up properly.
9673 (duplicate_eh_region_2): Merge into ...
9674 (duplicate_eh_regions): ... here. Take copy_region argument, and
9675 copy only a sub-tree if asked. Simplify copying and fixup.
9676 (eh_region_outer_p): New.
9677 * except.h (duplicate_eh_regions): Update decl.
9678 (eh_region_outer_p): Declare.
9679 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9680 (lower_omp_master): Likewise.
9681 (lower_omp_ordered): Likewise.
9682 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9683 (move_stmt_r): Use it to remap labels. Handle recursion vs
9684 remap_decls_p properly.
9685 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9686 (find_outermost_region_in_block): New.
9687 (new_label_mapper): New.
9688 (move_sese_region_to_fn): Copy eh information to the new function
9690 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9692 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9695 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9697 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9698 into shared libraries.
9700 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9702 * doc/md.texi: Refer to i386/constraints.md instead of
9704 * config/i386/constraints.md: New file, extracted from...
9705 * config/i386/predicates.md: ...here.
9706 * config/i386/i386.md: Include constraints.md.
9708 2006-03-21 Jason Merrill <jason@redhat.com>
9710 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9713 * expr.c (init_block_move_fn): Force default visibility.
9714 (init_block_clear_fn): Likewise.
9715 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9716 * targhooks.c (default_external_stack_protect_fail): Likewise.
9718 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9720 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9721 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9722 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9723 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9724 (loadgp): Use mips_current_loadgp_style.
9725 (loadgp_noshared): New pattern.
9726 (sibcall_internal): Use MIPS_CALL.
9727 (sibcall_value_internal): Likewise.
9728 (sibcall_value_multiple_internal): Likewise.
9729 (call_internal): Likewise.
9730 (call_value_internal): Likewise.
9731 (call_value_multiple_internal): Likewise.
9732 (call_split): Use MIPS_CALL and add an 'S' constraint.
9733 (call_value_split): Likewise.
9734 (call_value_multiple_split): Likewise.
9735 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9736 (-mshared): New option.
9737 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9738 (mips_current_loadgp_style): Declare.
9739 * config/mips/mips.c (mips_classify_symbol): Avoid using
9740 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9741 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9742 TARGET_ABSOLUTE_ABICALLS.
9743 (override_options): Adjust comments. Improve the warning that is
9744 issued when -mabicalls and -G are used together.
9745 (mips_file_start): Remove comment.
9746 (mips_current_loadgp_style): New function.
9747 (mips_gnu_local_gp): New variable.
9748 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9750 (mips_output_function_prologue): Use mips_current_laodgp_style.
9751 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9752 the cprestore instruction.
9753 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9754 live for TARGET_ABSOLUTE_ABICALLS.
9755 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9756 (ASM_SPEC): Pass down -mshared and -mno-shared.
9757 (MIPS_CALL): New macro.
9758 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9760 * doc/invoke.texi (-mabicalls): Update documentation.
9761 (-mshared): Document.
9763 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9765 * config/ia64/unwind-hpux.c: New file.
9766 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9768 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9771 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9773 2006-03-21 Jeff Law <law@redhat.com>
9775 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9776 type conversions of a VR_VARYING source to a wider type.
9778 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9780 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9781 tm_file on Solaris 10 and later.
9782 (sparc64-*-solaris2*): Likewise.
9783 (sparc-*-solaris2*): Likewise.
9784 * config/sol26.h: Rename to config/sol2-6.h.
9785 * config/sol2-10.h: New file.
9787 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9790 * tree-ssa-pre.c (create_component_ref_by_pieces):
9793 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9796 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9797 return it immediately.
9799 2006-03-21 Michael Matz <matz@suse.de>
9801 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9803 (remove_arc, add_arc): Update num_out_arcs member.
9804 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9806 (cache_presence): New function.
9807 (compare_states_for_equiv): New function.
9808 (state_is_differed): Don't take number of outargs, adjust callers.
9809 Use new invariant for speeding up.
9810 (init_equiv_class): Create initial classes based on sorted
9812 (partition_equiv_class): Don't track out_arcs_num.
9813 (evaluate_equiv_classes): Call cache_presence on all states and
9816 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9818 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9819 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9820 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9821 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9823 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9824 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9825 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9826 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9827 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9829 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9830 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9831 (REGNO_REG_CLASS): ARGP is in PREGS.
9832 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9834 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9835 to deal with those addresses.
9836 * addresses.h: New file.
9837 * caller-save.c: Include "addresses.h".
9838 (init_caller_save): Use new base_reg_class function.
9839 * rtl-factoring.c: Include "addresses.h".
9840 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9841 * recog.c: Include "addresses.h".
9842 (preprocess_constraints): Use new base_reg_class function.
9843 * regrename.c: Include "addresses.h".
9844 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9845 functions. Keep track of a new var INDEX_CODE to compute valid
9847 (replace_oldest_value_addr): Likewise.
9848 (replace_oldest_value_mem): Use base_reg_class.
9849 * reload.c: Include "addresses.h".
9850 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9851 (find_reloads): Use new base_reg_class function.
9852 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9853 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9854 all callers and prototype changed.
9855 * reload1.c: Include "addresses.h".
9856 (maybe_fix_stack_asms): Use base_reg_class.
9857 * regclass.c: Include "addresses.h".
9858 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9859 (init_reg_autoinc): Use new base_reg_class function.
9860 (record_reg_classes): Likewise.
9861 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9862 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9863 Use new args to compute necessary class.
9865 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9866 regrename.o, rtl-factoring.o): Update dependencies.
9867 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9868 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9869 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9870 REG_OK_FOR_INDEX_P): Delete documentation.
9872 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9874 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9875 from V7 to V9 for Solaris 7 and above.
9877 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9879 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9880 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9881 argument pointers may not alias any other storage.
9882 * common.opt: Define option -fargument-noalias-anything.
9883 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9884 alias semantics is specified by flag_argument_noalias > 2.
9886 2006-03-20 Jeff Law <law@redhat.com>
9888 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9889 (pass_phi_only_cprop): Declare.
9890 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9892 * tree-ssa-dom.c (degenerate_phi_result): New function.
9893 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9894 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9895 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9896 (eliminate_degenerate_phis): Likewise.
9897 (pass_phi_only_cprop): New pass descriptor.
9898 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9899 support code. Callers updated.
9900 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9901 (store_copy_prop): Likewise.
9902 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9904 2006-03-20 Jason Merrill <jason@redhat.com>
9907 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9908 (push_visibility, pop_visibility): Likewise.
9909 * c-pragma.h: Declare them.
9911 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9913 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9915 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9916 parameter and use get_ebb_head_tail.
9917 (sh_md_init_global): Adjust uses of find_regmode_weight.
9919 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9921 * function.h (struct function) <x_tail_recursion_reentry>:
9922 Rename to x_stack_check_probe_note.
9923 (tail_recursion_reentry): Rename to stack_check_probe_note.
9924 * function.c: Replace tail_recursion_reentry with
9925 stack_check_probe_note everywhere.
9926 (expand_function_start): Only emit a note for
9927 stack_check_probe_note with -fstack-protect.
9928 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9930 * emit-rtl.c (remove_unnecessary_notes): Remove.
9931 (pass_remove_unnecessary_notes): Remove.
9932 * rtl.h (remove_unnecessary_notes): Remove prototype.
9933 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9934 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9935 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9937 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9940 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9941 (valid_in_set): Handle ARRAY_REF.
9942 Change "if min_variant or VH" to asserts.
9943 (create_component_ref_by_pieces): Handle ARRAY_REF.
9944 (create_expression_by_pieces): Likewise.
9945 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9947 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9949 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9950 is operand of switch, not str[0].
9952 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9954 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9955 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9957 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9959 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9960 end of insn_extra_address_constraint declaration.
9962 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9964 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9965 (no-sum-in-toc): Same.
9966 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9968 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9969 NO_FP_IN_TOC for -fPIC instead of mask.
9971 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9972 (BOOT_LDFLAGS): Delete.
9974 * config/rs6000/t-aix52: Same.
9976 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9977 (stmsi[345678]_power): New.
9979 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9981 * config/ia64/ia64.opt: Add empty line to end of file.
9983 2006-03-17 Richard Guenther <rguenther@suse.de>
9986 * builtins.c (get_pointer_alignment): For component style references
9987 adjust alignment to the component type alignment. Make sure
9988 to adjust alignment for component access of constants.
9990 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9992 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9995 2006-03-17 Paul Brook <paul@codesourcery.com>
9997 * doc/install.texi: Docuemnt --with-mode.
9998 * config.gcc: Add --with-mode for arm*-*-*.
9999 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
10001 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
10003 * sh.c (max_labelno_before_reorg): New variable.
10004 (sh_reorg): Initialize it.
10005 (find_barrier): Check max_labelno_before_reorg before using
10006 label_to_alignment. Take length of explicit alignment insns
10007 into account. When seeing a UNSPECV_CONST_END, return it.
10009 * sh.c (fixup_mova): Set mode of affected label to QImode.
10010 (untangle_mova): New function.
10011 (find_barrier): Use it. Check mode of label before decrementing
10013 (sh_reorg): Likewise.
10014 Set mode of all insns back to VOIDmode.
10016 * sh.c (MOVA_LABELREF): New macro.
10017 (mova_p, fixup_mova, sh_reorg): Use it.
10018 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
10019 ADDR_DIFF_VEC matches mova.
10021 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
10023 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
10024 with ATTRIBUTE_UNUSED.
10026 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
10028 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10029 pointer, instead of assuming it is possible to derive the
10030 correct args size from a call insn.
10032 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10034 * rtl.h (CONST_INT_P): Define.
10035 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10036 instead of GET_CODE(x) == CONST_INT.
10037 (vax_rtx_costs): Likewise.
10038 (vax_output_int_move): Likewise.
10039 (vax_output_int_add): Likewise.
10040 (legitimate_constant_address_p): Likewise.
10041 (index_term_p): Likewise.
10042 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10043 * config/vax/vax.md (and<mode>3): Likewise.
10044 (ashrsi3): Likewise.
10046 (movstricthi): Likewise.
10047 (movstrictqi): Likewise.
10048 (rotrsi3): Likewise.
10049 (five unnamed insns): Likewise.
10051 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10053 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10054 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10055 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10056 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10057 Pass to ASM_OUTPUT_DWARF_OFFSET.
10058 * dwarf2out.c (debug_frame_section): New.
10059 (output_call_frame_info): Use debug_frame_section. Pass it to
10060 dw2_asm_output_offset.
10061 (output_die): Pass appropriate section to dw2_asm_output_offset.
10062 (output_compilation_unit_header): Likewise.
10063 (output_pubnames): Likewise.
10064 (output_aranges): Likewise.
10065 (enum dw_val_class): Break dw_val_class_lbl_offset into
10066 dw_val_class_lineptr and dw_val_class_macptr.
10067 (add_AT_lbl_offset): Delete.
10068 (add_AT_lineptr): New.
10069 (add_AT_macptr): New.
10070 (AT_lbl): Expect a lineptr or macptr.
10071 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10072 (attr_checksum): Likewise.
10073 (same_dw_val_p): Likewise.
10074 (size_of_die): Likewise.
10075 (value_format): Likewise.
10076 (output_die): Likewise.
10077 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10079 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10080 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10081 * config/darwin-protos.h (darwin_file_start): New.
10082 (darwin_asm_output_dwarf_offset): New.
10083 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10084 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10086 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10087 if not EH section; simplify.
10088 (darwin_file_start): New.
10089 (darwin_asm_output_dwarf_offset): New.
10090 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10092 (DEBUG_INFO_SECTION): Likewise.
10093 (DEBUG_ABBREV_SECTION): Likewise.
10094 (DEBUG_ARANGES_SECTION): Likewise.
10095 (DEBUG_MACINFO_SECTION): Likewise.
10096 (DEBUG_LINE_SECTION): Likewise.
10097 (DEBUG_LOC_SECTION): Likewise.
10098 (DEBUG_PUBNAMES_SECTION): Likewise.
10099 (DEBUG_STR_SECTION): Likewise.
10100 (DEBUG_RANGES_SECTION): Likewise.
10101 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10102 (ASM_OUTPUT_DWARF_OFFSET): New.
10104 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10106 * config.gcc (tm_defines): Always add to previous value rather
10109 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10111 * config/mips/predicates.md (splittable_const_int_operand): New,
10112 split from move_operand.
10113 (splittable_symbolic_operand): New.
10114 (move_operand): Add commentary. Use splittable_const_int_operand.
10115 Inline mips_atomic_symbolic_constant_p.
10116 * config/mips/mips.md: Add combine splitters for handling moves
10117 of splittable_const_int_operands and splittable_symbolic_operands.
10118 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10119 (mips_split_symbol): Declare.
10120 (mips_move_integer): Declare.
10121 * config/mips/mips.c (mips_split_p): Make global.
10122 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10123 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10124 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10125 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10126 (mips_offset_within_object_p): Handle block symbols.
10127 (mips_atomic_symbolic_constant_p): Delete.
10128 (mips_cannot_force_const_mem): Return false for constants that
10129 mips_legitimize_move can handle.
10130 (mips_use_blocks_for_constant_p): New function.
10131 (mips_split_symbol): Make global.
10132 (mips_move_integer): Likewise. Add a temporary register argument.
10133 (mips_legitimize_const_move): Use splittable_const_int_operand and
10134 splittable_symbolic_operand.
10135 (mips_use_anchors_for_symbol_p): New function.
10136 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10137 (mips_split_p): Declare.
10139 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10141 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10142 (mips*-*-linux*): Likewise.
10144 2006-03-16 Roger Sayle <roger@eyesopen.com>
10145 Daniel Speyer <dspeyer@wam.umd.edu>
10147 PR middle-end/18259
10148 * tree-dump.c (dump_real): New function.
10149 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10150 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10151 (tree-dump.o): Add $(REAL_H) to the dependencies.
10153 2006-03-16 Roger Sayle <roger@eyesopen.com>
10155 PR middle-end/21781
10156 * real.c (real_from_string): If the mantissa is zero, don't bother
10157 parsing the exponent as the result should always be zero.
10159 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10161 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10163 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10165 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10166 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10167 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10168 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10169 ia64_sched_finish_global): New static functions to implement
10170 hooks from gcc_target.sched.
10171 (spec_check_no, max_uid, pending_data_specs): New static variables.
10172 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10173 ia64_spec_check_src_p): New static functions.
10174 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10175 (TARGET_SCHED_ADJUST_COST): Removed.
10176 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10177 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10178 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10179 TARGET_SCHED_GEN_CHECK,
10180 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10181 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10182 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10183 Fixed to handle speculation checks.
10184 (rtx_needs_barrier): Fixed to handle speculative loads and
10186 (ia64_variable_issue): Added code to count speculative loads and their
10188 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10190 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10192 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10194 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10195 (ia64_reorg): Reset stops_p to NULL after it is freed.
10196 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10197 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10198 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10200 (data_speculative, control_speculative, check_load): New attributes.
10201 (mov<mode>_advanced, mov<mode>_speculative,
10202 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10203 zero_extend<mode>di2_speculative,
10204 zero_extend<mode>di2_speculative_advanced): New patterns for
10205 data and control speculative loads.
10206 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10208 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10209 New pattern for data and control speculation checks.
10210 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10211 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10212 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10213 Auxiliary definitions for the patterns.
10214 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10215 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10217 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10219 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10220 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10221 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10222 New resource constraints.
10223 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10225 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10226 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10227 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10228 msched-in-control-spec, msched-ldc, msched-control-ldc,
10229 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10230 msched-prefer-non-control-spec-insns,
10231 msched-count-spec-in-critical-path): New flags to tune speculative
10233 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10234 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10235 msched-in-control-spec, msched-ldc, msched-control-ldc,
10236 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10237 msched-prefer-non-control-spec-insns,
10238 msched-count-spec-in-critical-path): Document new flags.
10240 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10242 * target.h (struct spec_info_def): New opaque declaration.
10243 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10244 speculate_insn, needs_block_p, gen_check,
10245 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10246 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10247 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10248 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10249 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10250 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10252 (TARGET_SCHED): Use new macros.
10253 * rtl.h (copy_DEPS_LIST_list): New prototype.
10254 * sched-int.h (struct sched_info): Change signature of new_ready field,
10255 adjust all initializations. New fields: add_remove_insn,
10256 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10257 region_head_or_leaf_p.
10258 (struct spec_info_def): New structure declaration.
10259 (spec_info_t): New typedef.
10260 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10261 recovery_block, orig_pat.
10262 (glat_start, glat_end): New variables declaraions.
10263 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10265 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10266 DETACH_LIFE_INFO, USE_GLAT.
10267 (enum SPEC_SCHED_FLAGS): New enumeration.
10268 (NOTE_NOTE_BB_P): New macro.
10269 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10270 attach_life_info, debug_spec_status, check_reg_live): New functions.
10271 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10272 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10274 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10275 * ddg.c (get_block_head_tail): Adjust all uses.
10276 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10277 (sms_sched_info): Initialize new fields.
10278 (contributes_to_priority): Removed.
10279 * haifa-sched.c (params.h): New include.
10280 (get_block_head_tail): Adjust all uses.
10281 (ISSUE_POINTS): New macro.
10282 (glat_start, glat_end): New global variables.
10283 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10284 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10285 old_last_basic_block, before_recovery, current_sched_info_var,
10286 rgn_n_insns, luid): New static variables.
10287 (insn_cost1): New function. Move logic from insn_cost to here.
10288 (find_insn_reg_weight1): New function. Move logic from
10289 find_insn_reg_weight to here.
10290 (reemit_notes, move_insn, max_issue): Change signature.
10291 (move_insn1): Removed.
10292 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10293 extend_bb): New static functions to support extension of scheduler's
10295 (generate_recovery_code, process_insn_depend_be_in_spec,
10296 begin_speculative_block, add_to_speculative_block,
10297 init_before_recovery, create_recovery_block, create_check_block_twin,
10298 fix_recovery_deps): New static functions to support
10299 generation of recovery code.
10300 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10301 restore_bb_notes, move_block_after_check, move_succs): New static
10302 functions to support ebb scheduling.
10303 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10304 functions to support handling of register live information.
10305 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10306 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10307 add_jump_dependencies): New static functions.
10308 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10309 consistancy checking.
10310 (debug_spec_status): New function to call from debugger.
10311 (priority): Added code to handle speculation checks.
10312 (rank_for_schedule): Added code to distinguish speculative instructions.
10313 (schedule_insn): Added code to handle speculation checks.
10314 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10315 Fixed to handle ebbs.
10316 (move_insn): Added code to handle ebb scheduling.
10317 (max_issue): Added code to use ISSUE_POINTS of instructions.
10318 (choose_ready): Added code to choose between speculative and
10319 non-speculative instructions.
10320 (schedule_block): Added code to handle ebb scheduling and scheduling of
10321 speculative instructions.
10322 (sched_init): Initialize new variables.
10323 (sched_finish): Free new variables. Print statistics.
10324 (try_ready): Added code to handle speculative instructions.
10325 * lists.c (copy_DEPS_LIST_list): New function.
10326 * sched-deps.c (extend_dependency_caches): New function. Move logic
10327 from create_dependency_caches to here.
10328 (get_dep_weak, ds_merge): Make global.
10329 * genattr.c (main): Code to output prototype for
10330 dfa_clear_single_insn_cache.
10331 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10332 (output_dfa_clean_insn_cache_func): Code to output
10333 dfa_clear_single_insn_cache function.
10334 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10336 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10338 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10339 New static variables.
10340 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10341 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10343 (ebb_sched_info): Initialize new fields.
10344 (get_block_head_tail): Adjust all uses.
10345 (compute_jump_reg_dependencies): Fixed to use glat_start.
10346 (schedule_ebb): Code to remove unreachable last block.
10347 (schedule_ebbs): Added code to update register live information.
10348 * sched-rgn.c (region_sched_info): Initialize new fields.
10349 (get_block_head_tail): Adjust all uses.
10350 (last_was_jump): Removed. Adjust users.
10351 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10352 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10353 Implement new hooks.
10354 (check_dead_notes1): New static function.
10355 (struct region): New fields: dont_calc_deps, has_real_ebb.
10356 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10357 (BB_TO_BLOCK): Fixed to handle EBBs.
10358 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10359 (ebb_head): New static variable.
10360 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10361 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10363 (compute_dom_prob_ps): New assertion.
10364 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10365 global_live_at_start.
10366 (init_ready_list): New assertions.
10367 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10368 (new_ready): Add support for BEGIN_CONTROL speculation.
10369 (schedule_insns): Fixed code that updates register live information
10371 (schedule_region): Fixed to handle EBBs.
10372 (init_regions): Use extend_regions and check_dead_notes1.
10373 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10374 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10375 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10376 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10377 TARGET_SCHED_GEN_CHECK,
10378 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10379 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10380 * doc/invoke.texi (max-sched-insn-conflict-delay,
10381 sched-spec-prob-cutoff): Document.
10383 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10385 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10386 inter_tick, queue_index.
10387 (struct sched_info): Change signature of init_ready_list field.
10388 Adjust all initializations.
10389 (RESOLVED_DEPS): New access macro.
10390 (ready_add): Remove prototype.
10391 (try_ready): Add prototype.
10392 * sched-rgn.c (init_ready_list): Use try_ready.
10393 (schedule_region): Initialize
10394 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10395 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10396 (init_ready_list): Use try_ready.
10397 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10398 * lists.c (remove_list_elem): Remove `static'.
10399 (remove_free_INSN_LIST_elem): New function.
10400 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10401 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10402 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10404 (readyp): New variable.
10405 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10406 change_queue_index, resolve_dep): New static functions.
10407 (try_ready): New function. Adjust callers in sched-rgn.c and
10408 sched-ebb.c to use it instead of ready_add.
10409 (clock_var): Move at the begining of file.
10410 (rank_for_schedule): Fix typo.
10411 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10412 (ready_lastpos): Enforce assertion.
10413 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10414 update all callers.
10415 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10416 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10417 (queue_to_ready): Use free_INSN_LIST_list.
10418 (early_queue_to_ready): Fix typo.
10419 (schedule_block): Init readyp. Move init_ready_list call after the
10420 initialization of clock_var. Fix error in rejecting insn by
10421 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10422 that previously corrected INSN_TICKs. Add code for handling
10424 (set_priorities): Fix typo.
10425 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10426 Clarify comment and code that keeps current_sched_info->next_tail
10429 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10431 * sched-rgn.c (extend_rgns): New static function.
10432 (find_rgns): Use it.
10433 (gather_region_statistics, print_region_statistics): New static
10435 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10436 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10438 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10439 Andrey Belevantsev <abel@ispras.ru>
10441 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10442 * lists.c (unused_deps_list): New variable.
10443 (free_list): Add assertions to verify the proper distinguishing
10444 between INSN_LISTs and DEPS_LISTs.
10445 (find_list_elem, remove_list_elem, remove_list_node): New static
10447 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10448 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10449 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10450 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10452 (free_INSN_LIST_node): Likewise.
10453 * modulo-sched.c (current_sched_info): Initialize flags field.
10454 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10455 * rtl.def (DEPS_LIST): Define.
10456 * rtl.h: Declare new functions from lists.c.
10457 * sched-deps.c (spec_dependency_cache): New static variable.
10458 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10459 (add_dependence): Change return type to void. Move the logic to ...
10460 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10461 (delete_all_dependences): Add comment about forward_dependency_cache.
10462 Handle spec_dependency_cache. Handle DEPS_LISTs.
10463 (fixup_sched_groups): Clarify the change of priority of output
10464 and anti dependencies.
10465 (sched_analyze_2): Adjust add_dependence calls to create data
10466 speculative dependence.
10467 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10468 Adjust all callers. Handle DEPS_LISTS.
10469 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10470 presence of speculation.
10471 (init_dependency_caches, free_dependency_caches):
10472 Handle spec_dependency_cache.
10473 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10474 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10475 New static functions.
10476 (add_or_update_back_dep, add_or_update_back_forw_dep,
10477 add_back_forw_dep, delete_back_forw_dep): New functions.
10478 * sched-int.h (ds_t, dw_t): New typedefs.
10479 (struct sched_info): Add new field flags.
10480 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10481 Prototype new sched-deps.c functions.
10482 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10483 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10484 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10485 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10486 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10487 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10489 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10491 * sched-rgn.c (current_sched_info): Initialize flags field.
10492 (schedule_insns): Initialize current_sched_info before the sched_init
10494 * sched-ebb.c (current_sched_info): Initialize flags field.
10495 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10496 Call add_or_update_back_dep instead of add_dependence.
10497 Create control speculative dependencies.
10498 (schedule_insns): Initialize current_sched_info before the sched_init
10501 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10503 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10505 (sh_fallback_frame_state): Likewise.
10507 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10509 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10510 Do switch on default_use_cxa_atexit.
10511 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10512 * config/darwin-crt3.o: New.
10513 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10514 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10515 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10517 * config/rs6000/t-darwin: Move crt2.o building to here.
10518 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10519 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10522 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10524 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10525 from '! xxx' to '!xxx' for coding-style conformance.
10526 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10527 (EXTRA_CONSTRAINT): Likewise.
10528 * config/vax/vax.md (four unnamed insns): Likewise.
10530 2006-03-15 Paul Brook <paul@codesourcery.com>
10532 * config/arm/arm.c (minipool_pad): New.
10533 (add_minipool_forward_ref): Include pool alignment padding in address
10535 (push_minipool_fix): Set minipool_pad.
10536 (minipool_pad): Ditto.
10538 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10540 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10541 instead of GET_CODE() == MEM and REG_P() instead of
10543 (print_operand_address): Likewise.
10544 (vax_address_cost): Likewise.
10545 (vax_rtx_costs): Likewise.
10546 (vax_notice_update_cc): Likewise.
10547 (vax_output_int_add): Likewise.
10548 (INDEX_REGISTER_P): Likewise.
10549 (BASE_REGISTER_P): Likewise.
10550 (nonindexed_address_p): Likewise.
10551 (vax_mode_dependent_address_p): Likewise.
10552 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10553 (PRINT_OPERAND): Likewise.
10554 * config/vax/vax.md (ashlsi3): Likewise.
10555 (ashlsi3): Likewise.
10556 (some more unnamed insns): Likewise.
10558 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10560 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10561 iterator-style macro.
10562 (mark_control_dependent_edges_necessary): Update the use of
10563 EXECUTE_IF_CONTROL_DEPENDENT.
10565 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10567 * config/sh/predicates.md (cache_address_operand): Special.
10568 (ua_address_operand): Likewise.
10570 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10572 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10574 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10576 2006-03-15 Andreas Schwab <schwab@suse.de>
10578 * gensupport.c (identify_predicable_attribute): Don't free p_false
10579 when it is still in use.
10581 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10583 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10584 the default setting here.
10586 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10588 * tree-pass.h (pass_cfg): Remove.
10589 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10590 * passes.c (pass_cfg): Don't run it.
10592 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10594 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10595 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10597 (stack_regs_mentioned): Update the uses of
10598 stack_regs_mentioned_data. Don't access the array beyond its
10600 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10601 Don't include gt-reg-stack.h.
10603 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10604 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10606 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10608 PR middle-end/26684
10609 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10612 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10614 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10616 2006-03-14 Richard Guenther <rguenther@suse.de>
10618 PR tree-optimization/26672
10619 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10622 2006-03-14 Richard Guenther <rguenther@suse.de>
10624 PR tree-optimization/26667
10625 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10626 node for the callees. Always allow inlining if it will shrink
10629 2006-03-14 Richard Guenther <rguenther@suse.de>
10631 PR middle-end/26659
10632 * builtins.c (get_pointer_alignment): Prefer alignment
10633 information from decls over that from types.
10635 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10638 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10640 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10642 * config/rs6000/rs6000.opt (mdlmzb): New option.
10643 (msched-prolog, msched-epilog): Use Var not Mask.
10644 * doc/invoke.texi (-mdlmzb): Document.
10645 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10647 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10648 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10650 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10652 PR rtl-optimization/25739
10653 * bt-load.c (augment_live_range): Free tos pointer.
10655 * gensupport.c (identify_predicable_attribute): Free
10657 * gcov.c (create_file_names): Free name pointer.
10659 2006-03-13 Roger Sayle <roger@eyesopen.com>
10661 PR middle-end/26557
10662 * stmt.c (emit_case_nodes): Handle the case where the index is a
10663 CONST_INT, where the comparison mode is specified by the index type.
10665 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10667 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10670 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10672 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10673 (*branch_fp_inverted): Likewise.
10675 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10677 PR middle-end/25989
10678 * omp-low.c (expand_omp_for_generic): Mark istart0
10679 and iend0 as addressable.
10681 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10683 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10685 2006-03-13 Jeff Law <law@redhat.com>
10687 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10688 virtual operands are interesting.
10689 (vrp_visit_stmt): Corresponding changes.
10691 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10693 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10695 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10696 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10697 * config/bfin/crti.S: Use it instead of __PIC__.
10698 * config/bfin/crtn.S: Likewise.
10700 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10701 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10703 Lose 'G' modifier for call operand.
10704 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10705 recognize 'G' modifier.
10707 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10709 PR middle-end/18859
10710 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10711 * stmt.c (expand_case): Likewise.
10713 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10715 PR rtl-optimization/26254
10716 * loop-invariant.c (seq_insns_valid_p): New function.
10717 (move_invariant_reg): Only emit new code if it is valid.
10719 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10721 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10723 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10724 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10725 (commit_one_edge_insertion): Do not look for loop notes.
10727 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10729 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10730 flag_test_coverage out of loop.
10732 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10734 * final.c (shorten_branches): Remove outdated comment, and turn
10735 the if branch that guards it to continue.
10737 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10739 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10740 * cfgloop.h (struct loop): Remove unused fields.
10742 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10744 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10745 (-dL, -fdump-rtl-loop2): Update the dump file names
10747 * doc/invoke.texi: Update dump file names.
10749 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10751 * predict.c (estimate_probability): Remove.
10752 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10753 * basic-block.h (estimate_probability): Remove prototype.
10754 * passes.c (finish_optimization_passes): Dump branch prediction or
10755 profiling heuristics to the .profile tree dump.
10756 (init_optimization_passes): Unqueue pass_branch_prob.
10758 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10760 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10762 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10763 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10765 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10767 * function.h (frame_offset_overflow): Declare.
10768 * function.c (frame_offset_overflow): New function.
10769 (assign_stack_local_1): Call it to detect that the offset overflows.
10770 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10772 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10774 * config/sh/sh.c: Include alloc-pool.h.
10775 (label_ref_list_pool): New alloc pool.
10776 (label_ref_list_t): New type for lists of labels.
10777 (struct pool_node): Make wend a label_ref_list_t.
10778 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10780 (dump_table): Likewise.
10781 (sh_reorg): Set up the alloc pool before using add_constant and
10782 dump_table, and destroy it when finishing.
10784 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10786 * config/mips/mips.c: Remove redundant comment.
10788 2006-03-10 Jason Merrill <jason@redhat.com>
10791 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10792 the target was declared 'register'.
10794 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10796 * genpreds.c (write_insn_constraint_len): Change definition of
10797 insn_constraint_len to return size_t to match the declaration.
10799 2006-03-10 DJ Delorie <dj@redhat.com>
10801 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10803 (m32c_expand_insv): Fix test for an AND mask.
10805 2006-03-10 Richard Guenther <rguenther@suse.de>
10807 PR middle-end/26565
10808 * builtins.c (get_pointer_alignment): Handle component
10809 references for field alignment.
10811 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10813 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10814 when building with libgloss.
10815 (sh*elf): Implement --without-fp option.
10816 (sh64-superh-linux*): Don't multilib.
10818 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10820 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10822 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10824 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10825 Set it when one of the replacement functions returned true.
10826 Return TODO_cleanup_cfg if cfgchanged is true.
10827 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10829 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10831 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10832 instead of gen_lowpart.
10834 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10836 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10838 (mips_output_order_conditional_branch): Declare.
10839 * config/mips/mips.h (MIPS_BRANCH): New macro.
10840 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10841 for the comparison. Use gen_condjump.
10842 (mips_output_conditional_branch): Rework interface to take the
10843 asm templates for a direct branch and the inverse of a direct branch.
10844 (mips_output_order_conditional_branch): New function.
10845 (mips_builtin_branch_and_move): New function.
10846 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10847 branch condition. Use gen_single_cc as the condition for
10848 __builtin_mips_upper_* or __builtin_mips_lower_*.
10849 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10850 Use VOIDmode for the branch condition.
10851 * config/mips/predicates.md (order_operator): New predicate.
10852 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10853 (branch_fp): Rename to...
10854 (*branch_fp): ...this. Remove mode from comparison operator.
10855 Use new mips_output_conditional_branch interface.
10856 (branch_fp_inverted): Rename to...
10857 (*branch_fp_inverted): ...this and update as for *branch_fp.
10858 (*branch_zero<mode>): Rename to...
10859 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10860 Use mips_output_order_conditional_branch. Only accept ordered
10862 (*branch_zero<mode>_inverted): Rename to...
10863 (*branch_order<mode>_inverted): ...this and update as for
10864 *branch_order<mode>.
10865 (*branch_equality<mode>): Accept zero as the second operand to
10866 the equality operator. Use the new mips_output_conditional_branch
10868 (*branch_equality<mode>_inverted): Likewise.
10869 (condjump): New expander.
10870 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10872 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10873 (bc1any2t, bc1any2f): Likewise.
10874 (single_cc): New expander.
10875 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10877 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10879 * doc/md.texi: Update documentation of MIPS constraints.
10880 * config/mips/constraints.md: New file.
10881 * config/mips/mips.md: Include it.
10882 * config/mips/mips.c (mips_char_to_class): Delete.
10883 (override_options): Don't initialize mips_char_to_class.
10884 * config/mips/mips.h (mips_char_to_class): Delete.
10885 (REG_CLASS_FROM_LETTER): Delete.
10886 (CONST_OK_FOR_LETTER_P): Delete.
10887 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10888 (EXTRA_CONSTRAINT_Y): Delete.
10889 (EXTRA_CONSTRAINT_STR): Delete.
10890 (CONSTRAINT_LEN): Delete.
10891 (EXTRA_MEMORY_CONSTRAINT): Delete.
10893 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10895 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10896 original fn's eh regions.
10898 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10900 * fold-const.c (build_range_check): Make sure to use a valid type to
10901 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10904 (range_predecessor): New static function.
10905 (range_successor): Likewise.
10906 (merge_ranges): Use them to compute predecessors and successors of
10909 2006-03-09 Roger Sayle <roger@eyesopen.com>
10911 PR middle-end/26561
10912 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10913 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10915 2006-03-08 DJ Delorie <dj@redhat.com>
10917 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10918 (addpsi3): Expand to include memory operands. Remove
10919 reload-specific splits.
10920 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10921 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10922 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10923 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10924 (shift1_qi, shift1_hi, insv): New.
10925 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10926 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10927 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10929 * config/m32c/m32c-protos.h: Update as needed.
10930 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10931 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10932 Fail for unrecognized R* constraints.
10933 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10934 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10935 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10937 (m32c_init_libfuncs): New.
10938 (m32c_legitimate_address_p): Add debug wrapper.
10939 (m32c_rtx_costs): New.
10940 (m32c_address_cost): New.
10941 (conversions): Add 'B' prefix.
10942 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10943 operands, or word regnames for QI operands. 'B' prints bit
10945 (m32c_expand_setmemhi): New.
10946 (m32c_expand_movmemhi): New.
10947 (m32c_expand_movstr): New.
10948 (m32c_expand_cmpstr): New.
10949 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10950 (m32c_expand_neg_mulpsi3): Handle non-ints.
10951 (m32c_cmp_flg_0): New.
10952 (m32c_expand_movcc): New.
10953 (m32c_expand_insv): New.
10954 (m32c_scc_pattern): New.
10955 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10956 a0/a1 out of SIregs.
10957 (STORE_FLAG_VALUE): New.
10958 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10961 * config/m32c/mov.md: Make constraints more liberal.
10962 (zero_extendqihi2): Optimize r0/r1 case.
10963 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10964 * config/m32c/predicates.md (m32c_any_operand): New.
10965 (m32c_nonimmediate_operand): New.
10966 (m32c_hl_operand): New.
10967 (m32c_r3_operand): New.
10970 (memsym_operand): New.
10971 (memimmed_operand): New.
10972 (a_qi_operand): New.
10973 (m32c_eqne_operator): New.
10974 (m32c_1bit8_operand): New.
10975 (m32c_1bit16_operand): New.
10976 (m32c_1mask8_operand): New.
10977 (m32c_1mask16_operand): New.
10978 * config/m32c/blkmov.md: New file.
10979 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10981 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10983 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10984 unsigned to fix signed/unsigned comparison issue in
10985 DWARF2_FRAME_REG_OUT.
10986 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10987 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10989 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10990 of ptr into the ENABLE_CHECKING section.
10992 2006-03-08 Jeff Law <law@redhat.com>
10994 * tree-vrp.c (infer_value_range): Only count pointer uses
10995 and dereferences if -fdelete-null-pointer-checks is enabled.
10997 * tree-vrp.c (find_assert_locations): Infer value ranges for
10998 single use pointers, but do not create ASSERT_EXPRs for them.
10999 When a non-null range is inferred for a pointer, backwards
11000 propagate that range to other equivalent pointers through the
11003 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
11006 * Makefile.in (dvi, html, install-info): Invoke the corresponding
11007 language hook targets.
11008 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
11009 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
11010 if language hook targets were missing.
11012 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
11014 * tree-ssa-opfinalize.h: Removed.
11015 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
11017 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
11018 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
11019 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
11020 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
11021 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11022 finalize_ssa_v_must_def_ops): New.
11024 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
11026 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11027 block as parameter.
11029 2006-03-07 Geoffrey Keating <geoffk@apple.com>
11031 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11033 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11034 addresses with offsets; reorganize.
11036 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11037 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11038 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11040 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11043 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11045 2006-03-08 Ben Elliston <bje@au.ibm.com>
11047 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11049 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11052 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11055 2006-03-07 Richard Guenther <rguenther@suse.de>
11057 PR tree-optimization/26587
11058 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11060 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11062 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11064 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11066 * hooks.c (hook_bool_mode_rtx_true): New function.
11067 * hooks.h (hook_bool_mode_rtx_true): Declare.
11068 * toplev.c (compile_file): Call output_shared_constant_pool.
11069 * varasm.c (shared_constant_pool): New variable.
11070 (assemble_start_function, assemble_end_function): Remove arguments
11071 from call to output_constant_pool.
11072 (create_constant_pool): New function, split out from...
11073 (init_varasm_status): ...here.
11074 (force_const_mem): Choose between the shared and per-function constant
11075 pools. Set current_function_uses_const_pool when reusing old entries
11076 as well as when creating new ones.
11077 (mark_constant): Ignore data argument.
11078 (mark_constants): Remove pool argument.
11079 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11080 to decide whether the function uses a constant pool.
11081 (output_constant_pool_contents): New function, split out from...
11082 (output_constant_pool): ...here.
11083 (output_shared_constant_pool): New function.
11084 (init_varasm_once): Initialize shared_constant_pool.
11085 * output.h (output_constant_pool): Delete.
11086 (output_shared_constant_pool): Declare.
11087 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11088 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11090 2006-03-06 Nick Clifton <nickc@redhat.com>
11092 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11093 flag_strength_reduce.
11095 2006-03-06 Ben Elliston <bje@au.ibm.com>
11097 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11098 x86_64-*-linux* configurations.
11100 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11101 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11103 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11105 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11107 * basic-block.h: Remove the extern for
11108 rediscover_loops_after_threading.
11110 * cfgloop.c (cancel_loop): Make it static.
11111 * cfgloop.h: Remove the prototype for cancel_loop.
11113 * flow.c (recompute_reg_usage): Make it static.
11114 * rtl.h: Remove the prototype for recompute_reg_usage.
11116 * function.c (use_return_register): Make it static.
11117 * function.h: Remove the prototype.
11119 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11121 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11123 * recog.h: Remove the prototype for
11124 validate_change_maybe_volatile.
11126 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11128 * rtlanal.c (replace_reg): Remove.
11129 * rtl.h: Remove the prototype for replace_reg.
11131 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11133 * regclass.c (reg_scan_update): Remove.
11134 (reg_scan_mark_refs): Remove the last argument.
11135 * rtl.h: Remove the prototype for reg_scan_update.
11137 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11139 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11140 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11141 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11142 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11143 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11144 loop-invariant.c, omp-low.c, opts.c, passes.c,
11145 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11146 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11147 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11148 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11149 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11150 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11152 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11154 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11155 * dwarf2out.h: Remove the prototype for
11156 dwarf2out_add_library_unit_info.
11158 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11160 * tree.c (add_var_to_bind_expr): Remove.
11161 * tree.h: Remove the prototype for add_var_to_bind_expr.
11163 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11165 * regclass.c (n_non_fixed_regs): Remove.
11166 (init_reg_sets_1, globalize_reg): Remove all uses of
11168 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11170 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11172 * rtlanal.c (insns_safe_to_move_p): Remove.
11173 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11175 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11177 * expmed.c (expand_mult_add): Remove.
11178 * expr.h: Remove the prototype for expand_mult_add.
11180 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11182 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11183 and REG_SAVED_VAL_EXP constants.
11184 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11185 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11186 Handle regs stored by value.
11187 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11188 (execute_cfa_program): Handle DW_CFA_val_offset,
11189 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11190 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11191 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11192 (uw_install_context_1): Handle target regs stored by value.
11194 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11196 * tree-sra.c (tree_sra): Return todoflags;
11197 (generate_one_element): Set TODO_update_smt_usage if needed.
11198 (pass_sra): Remove TODO_update_smt_usage.
11199 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11201 (tree_ssa_forward_propagate_single_use_vars): Return
11202 TODO_update_smt_usage if we need to update SMT usage.
11203 (pass_forwprop): Remove TODO_update_smt_usage.
11205 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11207 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11208 (correct_use_link): Remove reference to get_stmt_operands.
11209 (update_stmt_operands): Likewise.
11210 (get_modify_expr_operands): New function factored out of
11211 parse_ssa_operands and get_expr_operands.
11212 Try to create V_MUST_DEFs for LHS by default.
11213 (get_expr_operands) <case MODIFY_EXPR>: Call
11214 get_modify_expr_operands.
11215 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11216 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11217 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11218 get_modify_expr_operands.
11220 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11222 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11223 * tree-flow.h: Remove the prototype for
11224 referenced_var_lookup_if_exists.
11226 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11228 PR rtl-optimization/26345
11230 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11232 2006-03-03 Roger Sayle <roger@eyesopen.com>
11234 PR tree-optimization/26524
11235 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11236 fold_convert to create a constant of the appropriate type.
11238 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11240 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11241 SYMBOL_REF_IN_BLOCK_P.
11242 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11243 of SYMBOL_FLAG_IN_BLOCK.
11244 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11245 instead of SYMBOL_REF_IN_BLOCK_P.
11246 * explow.c (use_anchored_address): Likewise.
11247 * rtl.c (rtx_size): Likewise.
11248 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11249 instead of SYMBOL_FLAG_IN_BLOCK.
11250 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11251 SYMBOL_REF_IN_BLOCK_P.
11252 (assemble_variable): Likewise.
11253 (output_constant_def_contents): Likewise.
11254 (output_constant_pool): Likewise.
11255 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11256 instead of SYMBOL_FLAG_IN_BLOCK.
11257 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11258 SYMBOL_REF_IN_BLOCK_P.
11259 (SYMBOL_REF_BLOCK): Likewise.
11260 (SYMBOL_REF_OFFSET): Likewise.
11261 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11262 SYMBOL_REF_IN_BLOCK_P.
11263 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11264 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11265 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11266 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11268 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11270 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11272 2006-03-02 Roger Sayle <roger@eyesopen.com>
11274 * simplify-rtx.c (simplify_unary_operation): When simplifying
11275 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11276 that we perform the right shift in the appropriate mode, and
11277 then extend or truncate the result to requested mode.
11279 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11281 * gengtype.c (main): Handle double_int type.
11282 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11283 * double-int.c: New file.
11284 * double-int.h: New file.
11285 * system.h: Include doubleint.h.
11286 * Makefile.in (SYSTEM_H): Include double-int.h.
11287 (double-int.o): Add.
11289 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11292 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11295 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11297 * tree-vrp.c (remove_range_assertions): Do not update statements
11300 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11302 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11304 * gcse.c (rest_of_handle_gcse): Ditto.
11305 * except.c (gate_handle_eh): Ditto.
11306 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11307 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11309 2006-03-02 Eric Christopher <echristo@apple.com>
11311 * config/i386/i386.c (machopic_output_stub): Add indirection to
11314 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11318 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11320 Sun Niagara specific optimizations.
11321 * config.gcc: Recognize niagara as target.
11322 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11323 (TARGET_CPU_niagara): Define.
11324 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11325 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11326 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11327 (ASM_CPU_SPEC): Likewise.
11328 (PROCESSOR_NIAGARA): New enum entry.
11329 (REGISTER_MOVE_COST): Handle Niagara.
11330 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11331 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11332 (sparc_override_options): Recognize "niagara", set appropriate
11333 default MASK_* values for it, and align functions to 32-bytes
11334 by default just like ULTRASPARC/ULTRASPARC3.
11335 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11336 (sparc64_initialize_trampoline): Likewise.
11337 (sparc_use_sched_lookahead): Use zero for niagara.
11338 (sparc_issue_rate): Use one for niagara.
11339 * config/sparc/niagara.md: New file.
11340 * config/sparc/sparc.md: Include it.
11341 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11342 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11343 when default cpu is niagara.
11344 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11345 (ASM_CPU_SPEC): Likewise.
11346 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11347 when default cpu is niagara.
11348 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11349 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11350 just like v9/ultrasparc/ultrasparc3.
11351 * doc/invoke.texi: Add documentation for "niagara" and improve
11352 existing documentation for ultrasparc variants.
11354 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11356 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11358 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11360 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11361 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11362 and say that only one is needed.
11363 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11364 * target.h (have_switchable_bss_sections): New hook.
11365 * explow.c (use_anchored_address): Check that the symbol is in a block.
11366 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11367 (bss_noswitch_section): New variables.
11368 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11369 (get_noswitch_section): New function.
11370 (get_block_for_section): Allow SECT to be null.
11371 (unlikely_text_section_p): Use SECTION_STYLE.
11372 (bss_initializer_p): New function.
11373 (get_variable_section): Move earlier in file. Take a new argument,
11374 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11375 Return one of the new *_sections in such cases.
11376 (get_block_for_decl): New function, extracting some logic from
11377 use_blocks_for_decl_p.
11378 (change_symbol_section): Remove in favor of...
11379 (change_symbol_block): ...this new function.
11380 (use_blocks_for_decl_p): Remove checks now performed by
11381 get_block_for_decl.
11382 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11383 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11384 (emit_local, emit_bss, emit_common): ...these new functions.
11385 Return true if the alignment was honored.
11386 (emit_tls_common): New function.
11387 (asm_emit_uninitialised): Delete.
11388 (assemble_variable_noswitch): New function, split out from...
11389 (assemble_variable): ...here. Don't make decisions about common
11390 variables here. Globalize all public decls that go into non-common
11391 sections. Check whether SYMBOL_REF_BLOCK is null.
11392 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11393 (output_constant_pool): Likewise.
11394 (init_varasm_once): Initialize the new section variables.
11395 (have_global_bss_p): New function.
11396 (categorize_decl_for_section): Use bss_initializer_p.
11397 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11398 (place_block_symbol): Assert that the symbol must be in a block.
11399 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11400 (TARGET_INITIALIZER): Include it.
11401 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11402 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11403 (SECTION_MACH_DEP): Bump by two.
11404 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11405 (unnamed_section): Mention SECTION_UNNAMED in comment.
11406 (named_section): Likewise SECTION_NAMED.
11407 (noswitch_section_callback): New type.
11408 (noswitch_section): New structure.
11409 (section): Add a noswitch_section alternative.
11410 (SECTION_STYLE): New macro.
11411 (tls_comm_section, comm_section, lcomm_section): Declare.
11412 (bss_noswitch_section, have_global_bss_p): Declare.
11413 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11414 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11416 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11417 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11420 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11422 * tree-vrp.c (execute_vrp): Return value.
11423 * regrename.c (rest_of_handle_regrename): Ditto.
11424 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11425 * tree-complex.c (tree_lower_complex): Ditto.
11426 (tree_lower_complex_O0): Ditto.
11427 * tracer.c (rest_of_handle_tracer): Ditto.
11428 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11429 * postreload.c (rest_of_handle_postreload): Ditto.
11430 * tree-tailcall.c (execute_tail_recursion): Ditto.
11431 (execute_tail_calls): Ditto.
11432 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11433 * tree.h (init_function_for_compilation): Ditto.
11434 * ipa-cp.c (ipcp_driver): Ditto.
11435 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11436 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11437 * final.c (compute_alignments): Ditto.
11438 (rest_of_handle_final): Ditto.
11439 (rest_of_handle_shorten_branches): Ditto.
11440 (rest_of_clean_state): Ditto.
11441 * omp-low.c (execute_expand_omp): Ditto.
11442 (execute_lower_omp): Ditto.
11443 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11444 * ipa-reference.c (static_execute): Ditto.
11445 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11446 * reorg.c (rest_of_handle_delay_slots): Ditto.
11447 (rest_of_handle_machine_reorg): Ditto.
11448 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11449 * flow.c (recompute_reg_usage): Ditto.
11450 (rest_of_handle_remove_death_notes): Ditto.
11451 (rest_of_handle_life): Ditto.
11452 (rest_of_handle_flow2): Ditto.
11453 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11454 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11455 (do_ssa_store_ccp): Ditto.
11456 (execute_fold_all_builtins): Ditto.
11457 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11458 * modulo-sched.c (rest_of_handle_sms): Ditto.
11459 * ipa-pure-const.c (static_execute): Ditto.
11460 * cse.c (rest_of_handle_cse): Ditto.
11461 (rest_of_handle_cse2): Ditto.
11462 * web.c (rest_of_handle_web): Ditto.
11463 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11464 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11465 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11466 * tree-nrv.c (tree_nrv): Ditto.
11467 (execute_return_slot_opt): Ditto.
11468 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11469 (create_structure_vars): Ditto.
11470 * loop-init.c (rtl_loop_init): Ditto.
11471 (rtl_loop_done): Ditto.
11472 (rtl_move_loop_invariants): Ditto.
11473 (rtl_unswitch): Ditto.
11474 (rtl_unroll_and_peel_loops): Ditto.
11475 (rtl_doloop): Ditto.
11476 * gimple-low.c (lower_function_body): Ditto.
11477 (mark_used_blocks): Ditto.
11478 * tree-ssa-sink.c (execute_sink_code): Ditto.
11479 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11480 (cgraph_early_inlining): Ditto.
11481 * global.c (rest_of_handle_global_alloc): Ditto.
11482 * jump.c (cleanup_barriers): Ditto.
11483 (purge_line_number_notes): Ditto.
11484 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11485 (rest_of_handle_if_after_reload): Ditto.
11486 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11487 (tree_ssa_loop_im): Ditto.
11488 (tree_ssa_loop_unswitch): Ditto.
11489 (tree_vectorize): Ditto.
11490 (tree_linear_transform): Ditto.
11491 (tree_ssa_loop_ivcanon): Ditto.
11492 (tree_ssa_empty_loop): Ditto.
11493 (tree_ssa_loop_bounds): Ditto.
11494 (tree_complete_unroll): Ditto.
11495 (tree_ssa_loop_prefetch): Ditto.
11496 (tree_ssa_loop_ivopts): Ditto.
11497 (tree_ssa_loop_done): Ditto.
11498 * predict.c (tree_estimate_probability): Ditto.
11499 * recog.c (split_all_insns_noflow): Ditto.
11500 (rest_of_handle_peephole2): Ditto.
11501 (rest_of_handle_split_all_insns): Ditto.
11502 * tree-eh.c (lower_eh_constructs): Ditto.
11503 * regmove.c (rest_of_handle_regmove): Ditto.
11504 (rest_of_handle_stack_adjustments): Ditto.
11505 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11506 * function.c (instantiate_virtual_regs): Ditto.
11507 (init_function_for_compilation): Ditto.
11508 (rest_of_handle_check_leaf_regs): Ditto.
11509 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11510 (rest_of_handle_gcse): Ditto.
11511 * ipa-type-escape.c (type_escape_execute): Ditto.
11512 * alias.c (rest_of_handle_cfg): Ditto.
11513 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11514 * profile.c (rest_of_handle_branch_prob): Ditto.
11515 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11516 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11517 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11518 * tree-dfa.c (find_referenced_vars): Ditto.
11519 * except.c (set_nothrow_function_flags): Ditto.
11520 (convert_to_eh_region_ranges): Ditto.
11521 (rest_of_handle_eh): Ditto.
11522 * emit-rtl.c (unshare_all_rtl): Ditto.
11523 (remove_unnecessary_notes): Ditto.
11524 * except.h (set_nothrow_function_flags): Ditto.
11525 (convert_to_eh_region_ranges): Ditto.
11526 * cfgexpand.c (tree_expand_cfg): Ditto.
11527 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11528 * tree-ssa-pre.c (do_pre): Ditto.
11529 (execute_fre): Ditto.
11530 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11531 (rest_of_handle_jump2): Ditto.
11532 * tree-sra.c (tree_sra): Ditto.
11533 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11534 (execute_mudflap_function_decls): Ditto.
11535 * tree-ssa-copy.c (do_copy_prop): Ditto.
11536 (do_store_copy_prop): Ditto.
11537 * ipa-prop.h (ipcp_driver): Ditto.
11538 * cfglayout.c (insn_locators_initialize): Ditto.
11539 * tree-ssa-forwprop.c
11540 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11541 * cfglayout.h (insn_locators_initialize): Ditto.
11542 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11543 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11544 (execute_late_warn_uninitialized): Ditto.
11545 * rtl.h (cleanup_barriers): Ditto.
11546 (split_all_insns_noflow): Ditto.
11547 (purge_line_number_notes): Ditto.
11548 (unshare_all_rtl): Ditto.
11549 (remove_unnecessary_notes): Ditto.
11550 (recompute_reg_usage): Ditto.
11551 (variable_tracking_main): Ditto.
11552 * integrate.c (emit_initial_value_sets): Ditto.
11553 * integrate.h (emit_initial_value_sets): Ditto.
11554 * tree-optimize.c (execute_free_datastructures): Ditto
11555 (execute_free_cfg_annotations): Ditto.
11556 (execute_fixup_cfg): Ditto.
11557 (execute_cleanup_cfg_pre_ipa): Ditto.
11558 (execute_cleanup_cfg_post_optimizing): Ditto.
11559 (execute_init_datastructures): Ditto.
11560 * tree-object-size.c (compute_object_sizes): Ditto.
11561 * combine.c (rest_of_handle_combine): Ditto.
11562 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11563 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11564 (rest_of_handle_reorder_blocks): Ditto.
11565 (rest_of_handle_partition_blocks): Ditto.
11566 * var-tracking.c (variable_tracking_main): Ditto.
11567 * tree-profile.c (tree_profiling): Ditto.
11568 * tree-vect-generic.c (expand_vector_operations): Ditto.
11569 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11570 * sched-rgn.c (rest_of_handle_sched): Ditto.
11571 (rest_of_handle_sched2): Ditto.
11572 * basic-block.h (free_bb_insn): Ditto.
11573 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11574 * tree-cfg.c (execute_build_cfg): Ditto.
11575 (remove_useless_stmts): Ditto.
11576 (split_critical_edges): Ditto.
11577 (execute_warn_function_return): Ditto.
11578 (execute_warn_function_noreturn): Ditto.
11579 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11580 * cfgrtl.c (free_bb_for_insn): Ditto.
11581 * passes.c (execute_one_pass): Run additional
11582 todos returned by execute function.
11583 * tree-pass.h (struct tree_opt_pass): Make execute
11586 2006-03-02 Richard Guenther <rguenther@suse.de>
11588 * tree-ssa-alias.c (find_used_portions): Consider taking
11589 the address as making the variable not write-only.
11591 2006-03-02 Nick Clifton <nickc@redhat.com>
11593 * config.gcc (default_use_cxa_atexit): Extend the description of
11594 this configure variable. Set its default value to "yes" for
11595 Linux, NetBSD and ELF targets on the assumption that they will
11596 use C libraries with the __cxa_atexit function.
11598 2006-03-02 Ben Elliston <bje@au.ibm.com>
11600 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11601 parameter as unused to suppress a build warning.
11603 2006-03-02 Ben Elliston <bje@au.ibm.com>
11605 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11608 2006-03-01 Roger Sayle <roger@eyesopen.com>
11611 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11612 declared name, the weak reference name, and the typeof name.
11613 (__gthrw): Avoid expanding the declared name suffix.
11614 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11616 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11618 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11620 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11621 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11622 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11623 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11624 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11625 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11626 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11627 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11628 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11629 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11630 (DW_END_default, DW_END_big, DW_END_little): New.
11631 (DW_END_lo_user, DW_END_hi_user): Define.
11632 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11633 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11634 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11637 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11639 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11641 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11643 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11645 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11647 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11648 to 'symbol_mem_tag'.
11650 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11653 2006-03-01 Roger Sayle <roger@eyesopen.com>
11655 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11657 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11660 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11661 MACHO_DYNAMIC_NO_PIC_P.
11662 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11664 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11667 * config/darwin-protos.h (darwin_asm_output_anchor):
11669 * config/darwin-sections.def (cstring_section):
11670 Add SECTION_MERGE to the flags.
11671 (literal4_section): Likewise.
11672 (literal8_section): Likewise.
11673 (objc_selector_refs_section): Likewise.
11674 (objc_cls_refs_section): Likewise.
11675 * config/darwin.c (darwin_asm_output_anchor): New
11677 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11679 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11681 Fix PR tree-optimization/26443
11682 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11683 to todo and PROP_tmt_usage to properties_destroyed.
11684 * tree-ssa-ccp.c (pass_ccp): Ditto.
11685 (pass_store_ccp): Ditto.
11686 * tree-ssa-dom.c (pass_dominator): Ditto.
11688 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11690 * tree-ssa-operands.c: Cleanup whitespace.
11691 (get_asm_expr_operands): Move before first invocation.
11692 (get_indirect_ref_operands): Likewise.
11693 (get_tmr_operands): Likewise.
11694 (get_call_expr_operands): Likewise.
11695 (append_def): Likewise.
11696 (append_use): Likewise.
11697 (append_v_may_def): Likewise.
11698 (append_v_must_def): Likewise.
11699 (add_call_clobber_ops): Likewise.
11700 (add_call_read_ops): Likewise.
11701 (add_stmt_operand): Likewise.
11702 (add_virtual_operand): Likewise.
11703 (build_ssa_operands): Likewise.
11705 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11707 PR middle-end/26022
11709 PR middle-end/24437
11710 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11711 with a call expr to ...
11712 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11714 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11716 * tree-vrp.c (extract_range_from_assert): Remove special
11717 handling for types with super-types.
11719 2006-03-01 Ben Elliston <bje@au.ibm.com>
11721 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11722 and powerpc64-*-linux* configurations.
11723 * config/t-dfprules: New file.
11725 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11726 Compile dfp-bit.c from the source directory using -DWIDTH and
11727 $DFP_CFLAGS to control the compilation of that file, rather than
11728 generating width-specific versions in the build directory.
11729 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11730 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11732 2006-02-28 Zack Weinberg <zackw@panix.com>
11734 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11737 2006-02-28 Eric Christopher <echristo@apple.com>
11739 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11740 Set up IN_LIBGCC definition of TARGET_64BIT.
11741 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11743 2006-02-28 Roger Sayle <roger@eyesopen.com>
11745 PR middle-end/14752
11746 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11747 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11748 cases via the construction of "expr != 0".
11750 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11752 * alias.c (alias_invariant, alias_invariant_size): Remove.
11753 (record_base_value): Remove.
11754 (memrefs_conflict_p): Don't look at alias_invariant.
11755 (end_alias_analysis): Don't free it.
11756 * alias.h (record_base_value): Remove prototype.
11758 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11759 Adam Nemet <anemet@caviumnetworks.com>
11761 * rtl.h (truncated_to_mode): Declare it.
11762 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11763 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11764 (RTL_HOOKS_INITIALIZER): Include it.
11765 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11766 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11767 reg_truncated_to_mode.
11768 * rtlanal.c (truncated_to_mode): Define it.
11769 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11771 2006-02-28 Jeff Law <law@redhat.com>
11773 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11774 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11775 the range allowed by TYPE_PRECISION.
11777 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11779 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11781 PR tree-optimization/26419
11782 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11785 2006-02-27 Zack Weinberg <zackw@panix.com>
11787 * doc/md.texi: Fix typo in previous change.
11789 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11793 2006-02-27 Zack Weinberg <zackw@panix.com>
11795 * rtl.def (define_constraint, define_register_constraint)
11796 (define_memory_constraint, define_address_constraint): New MD forms.
11797 * gensupport.c (process_rtx): Put define_constraint etc on the
11799 * genpreds.c (process_define_predicate): Adjust comment. Validate
11800 the name, and call validate_exp to validate the expression.
11801 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11802 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11803 all callers changed.
11804 (validate_exp, needs_variable, struct constraint_data)
11805 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11806 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11807 (const_dbl_constraints, constraint_max_namelen)
11808 (have_register_constraints, have_memory_constraints)
11809 (have_address_constraints, have_address_constraints)
11810 (have_extra_constraints, have_const_int_constraints)
11811 (have_const_dbl_constraints, mangle, add_constraint)
11812 (process_define_constraint, process_define_register_constraint)
11813 (write_enum_constraint_num, write_lookup_constraint)
11814 (write_insn_constraint_len, write_regclass_for_constraint)
11815 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11816 (write_insn_extra_memory_constraint)
11817 (write_insn_extra_address_constraint)
11818 (write_satisfies_constraint_fns): New.
11819 (write_tm_preds_h): If we have new-style constraint definitions,
11820 prototype the functions generated from them, and define the
11821 old constraint interface (still used by generic code) in terms of
11823 (write_insn_preds_c): If we have new-style constraint definitions,
11824 generate all relevant functions from those definitions.
11825 (main): Handle define_constraint etc.
11826 * genoutput.c (struct constraint_data, indep_constraints)
11827 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11828 (mdep_constraint_len): New data structures and functions, defined
11829 #ifdef USE_MD_CONSTRAINTS.
11830 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11831 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11832 use new logic to validate operand constraints against constraint
11834 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11836 * defaults.h: If none of the old-style constraint macros are
11837 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11838 old-style macros; and poison REG_CLASS_FROM_LETTER,
11839 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11841 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11842 * doc/md.texi: Document new constraint-definition mechanism and the
11843 C interface it provides. Remove references to old mechanism
11844 elsewhere in the document.
11845 (Machine Constraints): Use pathnames relative to gcc directory,
11846 i.e. config/ARCH/FILE. Change i386 section to refer to
11847 config/i386/predicates.md; update that section to match docstrings.
11848 * doc/tm.texi: Move all documentation of the old constraint-
11849 definition macros to their own section, clearly mark as obsolete.
11851 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11852 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11854 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11855 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11856 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11857 constraint strings.
11858 (splits and peepholes): Use satisfies_constraint_*.
11859 * config/i386/i386.c (memory_address_length)
11860 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11862 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11864 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11865 scalar operation to be put back into the loop.
11867 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11870 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11871 (extract_cie_info): Handle S flag in augmentation string.
11872 (execute_cfa_program): If context->signal_frame, execute also
11873 fs->pc == context->ra instructions.
11874 (uw_frame_state_for): If context->signal_frame, don't subtract one
11875 from context->ra to find FDE.
11876 (uw_update_context_1): Set context->signal_frame to
11878 (_Unwind_GetIPInfo): New function.
11879 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11880 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11882 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11883 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11884 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11885 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11886 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11887 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11888 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11889 x86_64_fallback_frame_state): Set fs->signal_frame.
11890 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11891 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11892 (frob_update_context): Likewise. Workaround missing S flag in
11893 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11894 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11895 Remove the psw_addr + 1 hack.
11897 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11899 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11900 with aggregates here.
11901 (find_func_aliases): Remove code for &<aggregate> from here.
11903 2006-02-26 Roger Sayle <roger@eyesopen.com>
11905 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11906 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11907 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11908 as (X & C) ne/eq 0.
11910 2006-02-26 Roger Sayle <roger@eyesopen.com>
11912 PR middle-end/19983
11913 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11915 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11917 * opts.c (decode_options): Do not handle flag_strength_reduce.
11918 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11919 and OPT_fstrength_reduce.
11920 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11921 flag_prefetch_loop_arrays for being nonzero.
11922 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11924 (fprefetch-loop-arrays-rtl): Removed.
11925 (flag_prefetch_loop_arrays): Do not specify the value.
11927 * doc/passes.texi: Update documentation of loop optimizer
11929 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11930 -frerun-loop-opt): Remove.
11932 2006-02-26 Richard Guenther <rguenther@suse.de>
11934 PR tree-optimization/26421
11935 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11936 in function calls that are ADDR_EXPRs as using the whole structure.
11938 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11940 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11941 * tree-pass.h (pass_loop_optimize): Remove.
11942 * passes.c (pass_loop_optimize): Never run it.
11943 * toplev.c (backend_init): Don't call init_loop.
11944 * opts.c (flag_loop_optimize_set): Remove.
11945 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11946 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11947 the old RTL loop optimizer when profiling enabled.
11948 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11949 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11950 pre-headers for the sake of the old RTL loop optimizer.
11951 * Makefile.in: Remove all references to loop.o.
11953 * doc/invoke.texi: Remove all references to -floop-optimize
11954 and -frerun-loop-opt.
11956 2006-02-26 Zack Weinberg <zackw@panix.com>
11958 * doc/md.texi (Machine Constraints): Refer to all files with paths
11959 relative to gcc directory (i.e. config/CPU/file). Add missing
11960 @table @code ... @end table to M32C subsection.
11962 2006-02-26 Roger Sayle <roger@eyesopen.com>
11964 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11966 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11968 2006-02-26 Roger Sayle <roger@eyesopen.com>
11969 James A. Morrison <phython@gcc.gnu.org>
11971 PR middle-end/21137
11972 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11973 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11974 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11975 signedness of the shift operation.
11977 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11979 PR tree-optimization/26359
11980 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11982 2006-02-25 Roger Sayle <roger@eyesopen.com>
11984 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11985 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11986 as X == 0, and some symmetry related transformations.
11987 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11989 2006-02-25 Roger Sayle <roger@eyesopen.com>
11991 PR middle-end/23673
11992 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11993 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11994 symmetry related transformations. Fold (X^C1) == C2 as
11997 2006-02-25 Juergen Weigert <jw@suse.de>
11998 Richard Guenther <rguenther@suse.de>
12000 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
12002 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
12004 * combine.c (gen_lowpart_or_truncate): Call
12005 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
12007 2006-02-24 Diego Novillo <dnovillo@redhat.com>
12009 * doc/invoke.texi: Move -fopenmp description to "Options for
12011 Remove reference to -lgomp.
12013 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12015 * doc/install.texi: Require GNU tar version 1.14.
12017 2006-02-24 Geoffrey Keating <geoffk@apple.com>
12019 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
12020 * doc/invoke.texi (C++ Dialect Options): Document
12021 -fno-use-cxa-get-exception-ptr.
12022 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
12023 * configure: Regenerate.
12024 * c.opt (fuse-cxa-get-exception-ptr): New.
12025 * c-opts.c (c_common_handle_option): Handle
12026 OPT_fuse_cxa_get_exception_ptr.
12027 * c-common.c (flag_use_cxa_atexit): Update documentation.
12028 (flag_use_cxa_get_exception_ptr): New.
12029 * c-common.h (flag_use_cxa_get_exception_ptr): New.
12030 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12032 (C_COMMON_OVERRIDE_OPTIONS): New.
12034 2006-02-24 Roger Sayle <roger@eyesopen.com>
12036 PR middle-end/24952
12037 * combine.c (try_combine): Explicitly check whether GET_CODE is
12038 a SET or a CLOBBER, instead on checking that it isn't a USE.
12040 2006-02-24 Roger Sayle <roger@eyesopen.com>
12042 * fold-const.c (fold_comparison): New subroutine of fold_binary
12043 containing transformations common to both the equality and
12044 ordering relational operators, factored out of fold_binary.
12045 (fold_binary): Separate out the equality operators (EQ_EXPR
12046 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12047 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12048 transformations common to both.
12049 (fold_div_compare): Fix latent bugs in the previously unreachable
12050 LT_EXPR and GE_EXPR cases.
12052 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12054 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12055 decl libname for clog to __clog on AIX.
12057 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12059 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12062 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12063 output traceback table for thunks. Localise rs6000_stack_info call.
12065 2006-02-23 Roger Sayle <roger@eyesopen.com>
12066 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12068 * gthr-posix.h (__gthrw): Fix typo in comment.
12070 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12072 * doc/cpp.texi (Character sets): Document that we do support
12073 input files to be in any character set.
12075 2006-02-23 Jeff Law <law@redhat.com>
12077 * tree.h (PHI_ARG_NONZERO): Remove.
12078 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12079 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12080 node to the new node.
12082 PR tree-optimization/26425
12083 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12084 min/max, then assume its varying.
12086 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12088 PR rtl-optimization/26316
12089 * rtlanal.c (enum may_trap_p_flags): New.
12090 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12091 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12092 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12093 (may_trap_after_code_motion_p): New function.
12094 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12095 (find_invariant_insn): Use may_trap_after_code_motion_p.
12096 * rtl.h (may_trap_after_code_motion_p): Declare.
12098 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12100 * emit-rtl.c (immed_double_const): Cleanup.
12102 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12104 Fix PR tree-optimization/26376
12105 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12108 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12110 PR middle-end/26412
12111 * gimplify.c (omp_add_variable): Guard variable size decl test with
12112 DECL_SIZE (decl) check.
12114 2006-02-23 Richard Guenther <rguenther@suse.de>
12116 PR middle-end/26439
12117 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12118 like aggregate types.
12120 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12122 * configure.ac: Add --with{,out}-long-double-128 configure option.
12123 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12124 * configure: Rebuilt.
12125 * config.in: Rebuilt.
12126 * doc/install.texi (Options specification): Document
12127 --with-long-double-128.
12129 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12130 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12131 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12132 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12134 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12136 * config/s390/s390.c (override_options): Handle
12137 TARGET_DEFAULT_LONG_DOUBLE_128.
12139 * config/alpha/alpha.c (override_options): Handle
12140 TARGET_DEFAULT_LONG_DOUBLE_128.
12142 * config/sparc/sparc.c (sparc_override_options): Handle
12143 TARGET_DEFAULT_LONG_DOUBLE_128.
12145 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12147 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12148 (real-install-headers-tar, real-install-headers-cpio)
12149 (real-install-headers-cp): New targets.
12151 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12153 * tree.h (variable_section): Delete.
12154 * varasm.c (variable_section): Delete.
12156 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12158 * install.texi: Add notes on install.texi2html.
12159 (Building in parallel): Do not use footnotes.
12161 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12164 * doc/install.texi (Configuration): Document --disable-libgomp.
12166 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12168 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12170 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12172 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12173 (vec_extractv2df_0_sse): New.
12175 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12177 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12178 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12179 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12180 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12181 to the result of the expression.
12182 (def_cfa_1): Adjust.
12183 (frame_pointer_cfa_offset): Rename to...
12184 (frame_pointer_fb_offset): ... this. Adjust all uses.
12185 (convert_cfa_to_loc_list): Rename to...
12186 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12187 Pass it on to build_cfa_loc.
12188 (compute_frame_pointer_to_cfa_displacement): Rename to...
12189 (compute_frame_pointer_to_fb_displacement): ... this. New
12190 offset parameter. Use it in computation.
12191 (gen_subprogram_die): Compute cfa_fb_offset with the new
12192 macro, and use it to compute the fb loc list and the
12195 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12197 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12198 replaced with register_operand.
12199 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12200 non-DREG is expensive.
12201 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12202 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12205 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12207 * doc/install.texi2html: Use set -e.
12209 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12211 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12212 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12213 * doc/invoke.texi (-fshared-data): Delete.
12214 * common.opt (fshared-data): Delete.
12215 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12216 (assemble_static_space): Remove #if 0 code.
12217 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12218 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12219 * config/cris/cris.h: Remove FIXME.
12221 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12223 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12226 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12228 PR middle-end/26379
12229 * combine.c (simplify_shift_const_1): Disable nested shifts
12230 optimization for vector shifts.
12232 2006-02-20 Roger Sayle <roger@eyesopen.com>
12234 PR tree-optimization/26361
12235 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12236 of unsigned integer types.
12238 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12240 * tree-chrec.c (eq_evolutions_p): New.
12241 * tree-chrec.h (eq_evolutions_p): Declared.
12242 * tree-data-ref.c: Fix formatting.
12243 (datadep_stats, dependence_stats): New.
12245 (print_direction_vector): New.
12246 (dump_data_dependence_relation): Use print_direction_vector.
12247 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12248 (compute_subscript_distance): Static.
12249 (initialize_data_dependence_relation): Static. Get the number
12250 of loops surrounding the references from the callers, and initialize
12251 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12252 base_object_differ_p analyzers.
12253 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12254 compute_overlap_steps_for_affine_1_2,
12255 analyze_subscript_affine_affine): Count the classified dependences.
12256 Print a message when a test failed.
12257 (can_use_analyze_subscript_affine_affine): New.
12258 (analyze_siv_subscript): Compute the data dependences on symbolic
12259 scevs that verify can_use_analyze_subscript_affine_affine.
12260 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12261 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12262 Handle symbolic scevs.
12263 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12265 (subscript_dependence_tester): Moved...
12266 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12267 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12268 DDR_SIZE_VECT instead of getting it in parameter.
12269 (subscript_dependence_tester): ... here. Take as a parameter
12270 loop_nest_depth. Call build_classic_dist_vector and
12271 build_classic_dir_vector.
12272 (compute_affine_dependence): Update subscript_dependence_tester
12273 parameters. Update datadep_stats counters. Call
12274 compute_subscript_distance.
12275 (compute_self_dependence): Save the dist and dir vectors. Call
12276 compute_subscript_distance.
12277 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12278 (compute_all_dependences): Reorder parameters as they were before
12279 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12280 compute_subscript_distance. Update the use of
12281 compute_affine_dependence and initialize_data_dependence_relation.
12282 (find_data_references_in_loop): Handle COMPONENT_REF.
12283 (compute_data_dependences_for_loop): Initialize dependence_stats.
12284 Don't call build_classic_dist_vector and build_classic_dir_vector.
12285 Update the parameters of initialize_data_dependence_relation and
12286 compute_all_dependences. Print the statistics from datadep_stats.
12287 (analyze_all_data_dependences): Static. Not used until the pass for
12288 checking the data dependences is contributed.
12289 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12290 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12291 (initialize_data_dependence_relation, compute_affine_dependence,
12292 analyze_all_data_dependences, compute_subscript_distance): Removed.
12293 (print_direction_vector): New.
12294 * lambda.h (gcd): ... here.
12295 (lambda_vector_gcd): Moved here from gcd_vector.
12296 * lambda-code.c (gcd, gcd_vector): Removed.
12297 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12298 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12300 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12302 * ipa-type-escape.c: Tidy some comments and white space.
12303 * tree-ssa-operands.c: Likewise.
12305 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12308 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12309 (dump_decl_name): Do not walk the decl tree chains.
12310 * tree-pass.h (TDF_CHAIN): Remove.
12312 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12314 * Makefile.in (C): Remove
12316 (.PHONY): Remove C and PROTO
12318 2006-02-20 Roger Sayle <roger@eyesopen.com>
12320 PR middle-end/26236
12321 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12322 deprecated CHAR_TYPE tree code.
12324 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12326 * configure.ac (target_list): Add install-info, dvi, html.
12327 * configure: Regenerate.
12329 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12330 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12331 treelang/Make-lang.in: Do not use double-colon rules.
12333 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12335 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12336 (TMT_USED_ALONE): New macro.
12337 * tree-pass.h (PROP_tmt_usage): New property.
12338 (TODO_update_tmt_usage): New todo.
12339 * tree-ssa-alias.c (updating_used_alone): New variable.
12340 (recalculate_used_alone): New function.
12341 (compute_may_aliases): Set updating_used_alone, call
12342 recalculate_used_alone.
12343 * tree-sra.c (pass_sra): Note that this pass destroys
12344 PROP_tmt_usage, and add TODO_update_tmt_usage.
12345 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12346 * tree-flow.h (updating_used_alone): Prototype.
12347 (recalculate_used_alone): Ditto.
12348 * passes.c (execute_todo): Add code to set updating_used_alone,
12349 and call recalculate.
12350 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12351 for clobber if used alone, and add assert to verify used_alone
12354 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12356 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12357 for non tls symbols added.
12358 (legitimize_address): Do nothing for PLUS expressions if one of the
12359 addends is a tls symbol reference.
12361 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12365 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12367 * Makefile.in (BOOTSTRAPPING): New.
12368 (quickstrap): New definition if BOOTSTRAPPING=yes.
12370 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12371 * configure.ac: Substitute all_selected_languages with the languages
12372 that were configured. For all the other variables except
12373 lang_specs_files, include all the languages in the tree.
12374 * configure: Regenerate.
12376 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12377 if there is one. Run the commands to run fixincludes in the same
12380 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12381 * doc/install.texi: Document exact conventions for searching target tools.
12382 Document --with-build-time-tools. Document toplevel bootstrap. Document
12383 something more about building an Ada cross-compiler. Don't list GNU Make
12384 requirements which affect all platforms.
12386 2006-02-19 Roger Sayle <roger@eyesopen.com>
12388 PR middle-end/19543
12389 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12390 only equivalent if the have both the same mode and precision.
12392 2006-02-20 Ben Elliston <bje@au.ibm.com>
12394 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12396 2006-02-19 Roger Sayle <roger@eyesopen.com>
12397 Steven Bosscher <stevenb.gcc@gmail.com>
12399 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12400 constant pool references to identify stack mode constants.
12401 * rtlanal.c (constant_pool_constant_p): New predicate to check
12402 whether operand is a floating point constant in the pool.
12403 * rtl.h (constant_pool_constant_p): Prototype here.
12404 * loop.c (scan_loop): Avoid hoisting constants from the constant
12405 pool on STACK_REGS targets.
12406 (load_mems): Likewise.
12407 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12408 loads into x87 registers expensive in terms of register pressure.
12410 2006-02-19 Roger Sayle <roger@eyesopen.com>
12412 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12413 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12415 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12417 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12418 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12420 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12422 * doc/invoke.texi: Document -fipa-pta.
12423 * common.opt: Add ipa-pta option.
12424 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12425 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12426 (do_ds_constraint): Ditto.
12427 (get_constraint_for): Only add to referenced_vars if
12428 referenced_vars exists.
12429 (insert_into_field_list): Rewrite to do this unsorted.
12430 (insert_into_field_list_sorted): Rename old insert_into_field_list
12432 (create_function_info_for): Use insert_into_field_list_sorted.
12433 (create_variable_info_for): Rewrite so it uses unsorted version,
12434 since the field list is sorted.
12435 (intra_create_variable_infos): Only add to referenced_vars if
12436 referenced_vars exists.
12437 (ipa_pta_execute): Init heapvars, and delete when done.
12438 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12440 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12442 * doc/install.texi: Add missing `@samp'.
12444 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12446 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12449 2006-02-18 Mark Wielaard <mark@klomp.org>
12451 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12452 who added new 4.1 features, bug fixes and integration support.
12454 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12457 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12458 MEM for ABI_V4 pic.
12460 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12462 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12463 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12464 (copy_insn_1): Likewise. Don't copy each field individually.
12466 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12468 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12469 * rtl.c (rtx_size): Rename variable to...
12470 (rtx_code_size): ...this.
12471 (rtx_size): New function.
12472 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12473 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12475 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12476 * rtl.h (rtx_code_size): New variable.
12477 (rtx_size): Change from a variable to a function.
12478 (RTX_SIZE): Rename to...
12479 (RTX_CODE_SIZE): ...this.
12482 PR tree-optimization/17106
12483 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12484 (Anchored Addresses): New section.
12485 * doc/invoke.texi (-fsection-anchors): Document.
12486 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12487 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12488 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12489 * hooks.c (hook_bool_mode_rtx_false): New function.
12490 * hooks.h (hook_bool_mode_rtx_false): Declare.
12491 * gengtype.c (create_optional_field): New function.
12492 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12493 SYMBOL_REF_IN_BLOCK_P is true.
12494 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12495 (min_anchor_offset, max_anchor_offset): Likewise.
12496 (use_anchors_for_symbol_p): New hook.
12497 * toplev.c (compile_file): Call output_object_blocks.
12498 (target_supports_section_anchors_p): New function.
12499 (process_options): Check that -fsection-anchors is only used on
12500 targets that support it and when -funit-at-a-time is in effect.
12501 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12502 if the decl doesn't have one.
12503 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12504 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12505 of force_const_mem through use_anchored_address.
12506 (expand_expr_constant): New function.
12507 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12508 calling expand_expr for INDIRECT_REF.
12509 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12510 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12511 * expr.h (use_anchored_address): Declare.
12512 * loop-unroll.c: Don't declare rtx vectors here.
12513 * explow.c: Include output.h.
12514 (validize_mem): Call use_anchored_address.
12515 (use_anchored_address): New function.
12516 * common.opt (-fsection-anchors): New switch.
12517 * varasm.c (object_block_htab, anchor_labelno): New variables.
12518 (hash_section, object_block_entry_eq, object_block_entry_hash)
12519 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12520 (use_blocks_for_decl_p, change_symbol_section): New functions.
12521 (get_variable_section): New function, split out from assemble_variable.
12522 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12523 use_blocks_for_decl_p say so. Use change_symbol_section if the
12524 symbol has already been created.
12525 (assemble_variable_contents): New function, split out from...
12526 (assemble_variable): ...here. Don't output any code for
12527 block symbols; just pass them to place_block_symbol.
12528 Use get_variable_section and assemble_variable_contents.
12529 (get_constant_alignment, get_constant_section, get_constant_size): New
12530 functions, split from output_constant_def_contents.
12531 (build_constant_desc): Create a block symbol if use_object_blocks_p
12532 says so. Or into SYMBOL_REF_FLAGS.
12533 (assemble_constant_contents): New function, split from...
12534 (output_constant_def_contents): ...here. Don't output any code
12535 for block symbols; just pass them to place_section_symbol.
12536 Use get_constant_section and get_constant_alignment.
12537 (force_const_mem): Create a block symbol if use_object_blocks_p and
12538 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12539 (output_constant_pool_1): Add an explicit alignment argument.
12540 Don't switch sections here.
12541 (output_constant_pool): Adjust call to output_constant_pool_1.
12542 Switch sections here instead. Don't output anything for block symbols;
12543 just pass them to place_block_symbol.
12544 (init_varasm_once): Initialize object_block_htab.
12545 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12546 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12547 (place_block_symbol, get_section_anchor, output_object_block)
12548 (output_object_block_htab, output_object_blocks): New functions.
12549 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12550 (TARGET_ASM_OUT): Include it.
12551 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12552 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12553 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12554 (TARGET_INITIALIZER): Include them.
12555 * rtl.c (rtl_check_failed_block_symbol): New function.
12556 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12557 (block_symbol, object_block): New structures.
12558 (rtx_def): Add a block_symbol field to the union.
12559 (BLOCK_SYMBOL_CHECK): New macro.
12560 (rtl_check_failed_block_symbol): Declare.
12561 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12562 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12563 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12564 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12565 * output.h (output_section_symbols): Declare.
12566 (object_block): Name structure.
12567 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12568 (default_use_anchors_for_symbol_p): Declare.
12569 * Makefile.in (RTL_BASE_H): Add vec.h.
12570 (explow.o): Depend on output.h.
12571 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12572 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12573 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12574 (rs6000_use_blocks_for_constant_p): New function.
12576 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12578 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12580 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12583 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12586 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12588 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12592 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12594 PR middle-end/26334
12595 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12596 instead of DECL_REGISTER.
12598 2006-02-18 Olivier Hainque <hainque@adacore.com>
12601 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12603 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12606 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12607 * opth-gen.awk: Handle Var and InverseMask together.
12608 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12609 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12610 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12611 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12613 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12614 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12615 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12616 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12617 LINUX_DYNAMIC_LINKER): Define.
12618 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12619 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12621 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12622 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12623 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12624 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12625 (TARGET_C99_FUNCTIONS): Don't define.
12626 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12627 GLIBC_DYNAMIC_LINKER.
12628 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12629 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12630 GLIBC_DYNAMIC_LINKER64): Define.
12631 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12632 LINUX_DYNAMIC_LINKER64.
12633 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12634 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12635 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12636 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12637 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12638 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12639 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12640 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12641 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12642 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12643 and LINUX_DYNAMIC_LINKER32.
12644 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12645 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12646 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12647 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12648 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12650 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12651 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12652 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12653 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12654 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12655 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12656 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12657 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12658 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12659 LINUX_DYNAMIC_LINKER): Define.
12660 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12661 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12662 GLIBC_DYNAMIC_LINKER64): Define.
12663 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12664 LINUX_DYNAMIC_LINKER64.
12665 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12666 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12667 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12668 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12669 LINUX_DYNAMIC_LINKER): Define.
12670 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12671 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12672 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12673 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12674 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12675 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12676 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12677 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12678 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12679 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12680 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12681 * doc/invoke.texi (-muclibc): Remove caveat about supported
12684 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12686 * doc/cpp.texi (__TIMESTAMP__): Document.
12688 2006-02-17 Roger Sayle <roger@eyesopen.com>
12690 PR middle-end/25600
12691 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12692 C is one less than the width of X (and related transformations).
12693 * simplify-rtx.c (simplify_unary_operation_1): Transform
12694 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12695 depending on STORE_FLAG_VALUE, were C is one less then the
12698 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12700 Fix PR tree-optimization/26341
12701 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12702 about NAME_MEMORY_TAG's.
12704 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12707 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12708 with hardware float support, and software float support. Add fcpy
12709 alternative to hardware patterns. Add alternatives to copy between
12710 general and floating-point registers to the 32-bit pattern.
12711 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12712 secondary reload to load a QI or HI mode constant into a floating
12714 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12715 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12717 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12720 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12722 (load_macho_picbase_di): Likewise.
12724 2006-02-16 Jeff Law <law@redhat.com>
12726 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12727 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12728 (ssa_name_nonzero_p): Likewise.
12729 (get_value_range): Return NULL if VRP is not running.
12730 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12731 VRP routines do not discover a range.
12732 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12733 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12734 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12735 (tree_expr_nonnegative_p): Similarly.
12736 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12737 (restore_nonzero_vars_to_original_value): Remove.
12738 (unsafe_associative_fp_binop): Remove.
12739 (tree_ssa_dominator_optimize): Remove initialization and
12740 finalization of nonzero_vars and nonzero_vars_stack.
12741 (dom_opt_initialize_block): No longer push marker on
12742 nonzero_vars_stack.
12743 (dom_opt_finalize_block): No longer call
12744 restore_nonzero_vars_to_original_value.
12745 (record_equivalences_from_phis): No longer look for
12746 nonzero PHI arguments.
12747 (cprop_into_successor_phis): No longer propagate nonzero
12748 property into PHI arguments. Lose unused argument. Caller
12750 (record_equivalences_from_stmt): No longer record nonzero
12751 values for SSA_NAMEs.
12752 (lookup_avail_expr): No longer use nonzero_vars.
12754 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12755 for sizetype when sizetype is unsigned.
12757 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12759 PR rtl-optimization/25603
12760 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12761 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12762 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12763 with new meaning of SETS.
12765 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12770 * config/linux.opt: New file.
12771 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12772 LINUX_DYNAMIC_LINKER): Define.
12773 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12774 * config.gcc (*-*-linux*): Define extra_options.
12775 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12776 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12777 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12778 GLIBC_DYNAMIC_LINKER.
12779 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12780 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12781 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12782 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12783 * doc/invoke.texi (GNU/Linux Options): New section.
12785 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12787 * config/sparc/sparc.md (setjmp): Rewrite.
12788 (setjmp_32): Delete.
12789 (setjmp_64): Likewise.
12791 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12793 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12796 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12798 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12801 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12803 PR rtl-optimization/26296
12804 * Makefile.in (loop-invariant.c): Add except.h dependency.
12805 * loop-invariant.c: Include except.h.
12806 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12808 2005-02-16 Paul Brook <paul@codesourcery.com>
12810 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12813 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12815 PR rtl-optimization/25636
12816 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12817 when deciding whether an insn is an initializing insn.
12819 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12821 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12822 (tree_code_size): Ditto.
12823 * tree.h (struct tree_memory_tag): Remove parent_var.
12824 (struct tree_struct_field_tag): New.
12827 (union tree_node): Add sft member.
12828 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12830 (create_sft): Add size and offset argument, set SFT_OFFSET and
12832 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12833 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12834 * tree-flow-inline.h (get_subvar_at): Update for
12835 SFT_OFFSET/SFT_SIZE.
12836 (var_can_have_subvars): Ditto.
12837 (overlap_subvar): Ditto.
12838 * print-tree.c (print_node): Print out interesting things for
12840 * tree-flow.h (struct subvar): Remove offset and size members.
12841 * tree-ssa-operands.c (get_expr_operands): Update for
12842 get_indirect_ref_operands changes.
12843 (get_indirect_ref_operands): Call add_virtual_operand instead of
12844 add_stmt_operand. Only recurse on base var if requested.
12845 (access_can_touch_variable): New function.
12846 (add_stmt_operand): Split virtual operand handling into ...
12847 (add_virtual_operand): Here. Add offset, size, and for_clobber
12848 arguments. Prune alias sets.
12849 (add_call_clobber_ops): Call add_virtual_operand.
12851 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12853 PR middle-end/26300
12854 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12856 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12857 than TREE_CODE as index into omp_clause_num_ops array.
12859 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12861 PR rtl-optimization/26184
12862 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12864 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12865 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12866 must_precede, must_follow and tobe_scheduled.
12869 * opts.c (common_handle_option): Free new_option pointer.
12870 * df-core.c (df_analyze): Free postorder pointer.
12872 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12874 * Makefile.in: Fix the examples about the use of stamps
12876 2006-02-15 Michael Matz <matz@suse.de>
12878 PR middle-end/22275
12880 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12881 influenced by maximum_field_alignment or DECL_PACKED.
12882 (update_alignment_for_field): Ditto.
12883 (place_field): Ditto.
12884 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12887 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12889 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12890 (debug_flow_info): Pass it.
12891 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12892 * bb-reorder.c (reorder_basic_blocks): Likewise.
12893 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12894 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12895 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12896 * gcse.c (gcse_main, bypass_jumps): Likewise.
12897 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12898 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12899 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12900 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12901 * rtl.h (dump_flow_info): Adjust prototype.
12902 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12903 * var-tracking.c (variable_tracking_main): Likewise.
12904 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12905 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12908 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12910 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12913 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12915 PR tree-optimization/26209
12916 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12917 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12919 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12921 2006-02-14 Roger Sayle <roger@eyesopen.com>
12923 PR middle-end/23670
12924 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12925 (X,Y) and the corresponding symmetry related transformations.
12926 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12927 (X,Y) and its symmetry related transformations.
12929 2006-02-14 Roger Sayle <roger@eyesopen.com>
12931 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12934 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12936 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12938 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12941 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12942 support COMDAT group.
12943 * configure: Regenerate.
12945 2006-02-14 Roger Sayle <roger@eyesopen.com>
12947 PR middle-end/26279
12948 PR middle-end/26280
12949 PR middle-end/26283
12950 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12952 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12954 Fix PR tree-optimization/26260
12956 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12958 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12959 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12960 * tree-ssa-structalias.c (create_variable_info_for): Use
12961 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12963 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12965 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12967 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12968 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12969 of the ending condition.
12970 * tree-ssa-loop-manip.c: Include params.h.
12971 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12972 tree_unroll_loop): New functions.
12973 * tree-pass.h (pass_loop_prefetch): Declare.
12974 * loop.c (rest_of_handle_loop_optimize): Test for
12975 -fprefetch-loop-arrays-rtl.
12976 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12977 * timevar.def (TV_TREE_PREFETCH): New timevar.
12978 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12979 pass_loop_prefetch): New.
12980 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12981 (cleanup_tree_cfg_loop): Call scev_reset.
12982 * common.opt (fprefetch-loop-arrays-rtl): Add.
12983 * tree-ssa-loop-prefetch.c: New file.
12984 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12985 (new_temp_expr_table): Initialize expr_vars.
12986 (free_temp_expr_table): Cleanup expr_vars.
12987 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12988 expressions from being merged into one.
12989 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12990 (struct tree_niter_desc): Add control, bound and cmp fields.
12991 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12993 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12994 (tree-cfgcleanup.o): Add SCEV_H dependency.
12995 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12996 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12998 2006-02-14 Richard Guenther <rguenther@suse.de>
13000 PR tree-optimization/26258
13001 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
13002 in PHI argument processing.
13004 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
13006 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
13007 new expression in the requested machine mode.
13009 2006-02-13 Roger Sayle <roger@eyesopen.com>
13011 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
13012 directly, instead let do_compare_rtx_and_jump handle this for us.
13013 * expr.c (expand_expr_real_1): Likewise.
13014 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
13015 before do_jump_by_parts_greater.
13016 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
13017 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
13019 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13021 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
13023 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13025 PR rtl-optimization/26235
13026 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13027 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
13030 2006-02-13 Jeff Law <law@redhat.com>
13032 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13035 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13037 PR middle-end/26092
13038 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13039 twice if decl is a builtin. When trying again, call get_callee_fndecl
13040 first to verify it is still a builtin.
13042 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13044 * dwarf2out.c (base_type_die): Don't add AT_name here.
13045 (subrange_type_die): Don't add AT_name here.
13046 (modified_type_die): Rearrange code flow. Do add AT_name here.
13048 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13050 PR rtl-optimization/26247
13051 PR rtl-optimization/26248
13052 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13054 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13056 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13057 * config/fixtfdi.c: Likewise.
13058 * config/fixunstfdi.c: Likewise.
13059 * config/floatditf.c: Likewise.
13061 2006-02-13 Roger Sayle <roger@eyesopen.com>
13063 PR middle-end/24427
13064 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13065 into (X,C2) if C1 is a subset of the bits of C2. Transform
13066 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13068 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13070 2006-02-13 Josh Conner <jconner@apple.com>
13073 * varasm.c (function_section): Check for section name before
13074 calling select_section on targets that define
13075 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13076 unlikely_text_section instead of hot_function_section if
13077 first_function_block_is_cold.
13079 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13081 PR middle-end/25335
13082 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13084 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13086 PR rtl-optimization/26222
13087 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13088 after tree->rtl expansion.
13089 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13090 before passing it to emit_move_insn.
13092 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13094 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13096 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13097 Clarify documentation.
13098 * c-common.h (warn_write_strings): Remove.
13099 * c-common.c (warn_write_strings): Likewise.
13100 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13103 2006-02-12 Roger Sayle <roger@eyesopen.com>
13105 PR middle-end/25724
13106 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13107 (do_jump_parts_zero_rtx): New function renamed from
13108 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13109 (do_jump_parts_equality_rtx): New function split out from
13110 do_jump_parts_equality. Old implementation renamed as above.
13111 Call do_jump_parts_zero_rtx if either operand is zero.
13112 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13113 do all of the heavy lifting.
13114 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13115 calling either do_jump_by_parts_greater_rtx or
13116 do_jump_by_parts_equality_rtx.
13117 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13118 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13119 moved to do_compare_rtx_and_jump, call it directly.
13120 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13121 mode argument. Call do_compare_rtx_and_jump.
13122 (emit_case_nodes): Update calls to do_jump_if_equal.
13124 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13126 PR rtl-optimization/26225
13127 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13129 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13131 PR rtl-optimization/26232
13132 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13134 2006-02-11 Jason Merrill <jason@redhat.com>
13137 * tree-inline.c (declare_return_variable): Just don't use the
13138 modify target if it's a gimple complex reg and the return slot
13141 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13143 * doc/contrib.texi: Update my entry.
13145 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13147 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13149 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13151 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13154 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13156 * doc/invoke.texi (-floop-optimize2): Removed.
13157 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13158 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13159 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13160 * common.opt (floop-optimize2): Removed.
13161 (fmove-loop-invariants): Enabled by default.
13163 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13165 * tree-if-conv.c (combine_blocks): Free the result of
13166 get_loop_exit_edges.
13168 2006-02-10 Jeff Law <law@redhat.com>
13170 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13172 PR tree-optimization/26213
13173 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13174 loop trying to follow SSA_NAME_VALUE chains.
13176 2006-02-10 Richard Guenther <rguenther@suse.de>
13178 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13179 deal with structures that end in implicitly variable sized arrays.
13181 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13183 PR rtl-optimization/24762
13184 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13187 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13189 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13190 (struct ivopts_data): Add regs_used field.
13191 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13192 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13193 instead of loop_data->regs_used;
13194 (free_loop_data): Do not free aux fields for loops.
13195 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13196 and tree_ssa_iv_optimize_finalize.
13198 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13200 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13202 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13205 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13206 computing the effective result type.
13208 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13210 PR inline-asm/16194
13211 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13212 (tree_overlaps_hard_reg_set): Declare.
13213 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13214 type and signature to match function type expected by walk_tree.
13215 (tree_overlaps_hard_reg_set): New function.
13216 (decl_conflicts_with_clobbers_p): Rename to:
13217 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13218 Use tree_overlaps_hard_reg_set. Changed caller.
13219 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13220 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13221 * cris.c (cris_md_asm_clobbers): Likewise.
13223 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13225 * reload1.c (emit_input_reload_insns): Delete code that tries to
13226 inherit using find_equiv_reg.
13228 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13230 * c-common.h (flag_const_strings): Don't declare.
13231 * c-common.c (flag_const_strings): Remove.
13232 * c.opt (fconst_strings): Remove.
13233 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13234 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13235 (c_common_init_options): Don't set flag_const_strings.
13236 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13238 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13240 * arm.md (tlobits_cbranch): New pattern.
13241 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13242 testing a single bit.
13244 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13247 * tree-ssa-pre.c (create_component_ref_by_pieces):
13248 Handle RETURN_DECL like VAR_DECL.
13250 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13252 PR middle-end/26134
13253 * fold-const.c (fold_indirect_ref_1): Fold
13254 "*(foo *)&complexfoo" to "__real__ complexfoo"
13255 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13257 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13259 * tree-flow-inline.h (var_can_have_subvars):
13260 Volatile variables should not have subvariables.
13262 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13265 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13266 multiplying unsigned values.
13269 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13271 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13273 2006-02-08 Jason Merrill <jason@redhat.com>
13276 * tree.def: Elaborate on difference from MODIFY_EXPR.
13277 * doc/c-tree.texi (INIT_EXPR): Likewise.
13278 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13279 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13280 (gimplify_target_expr): Likewise.
13281 (gimplify_cond_expr): Remove target handling.
13282 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13283 (gimplify_expr): Clobber it here.
13284 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13285 Do return slot optimization if we have an INIT_EXPR.
13288 * tree-inline.c (declare_return_variable): Also clear
13289 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13292 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13294 PR middle-end/22439
13295 * gimplify.c (gimplify_one_sizepos): Fix typo.
13297 2006-02-08 Jeff Law <law@redhat.com>
13299 PR tree-optimization/21417
13300 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13301 across a backedge if the control statement at the end of the
13302 block is data dependent on other statements in the same block.
13303 (record_temporary_equivalences_from_stmts): Remove over-conservative
13304 test for threading across backedges.
13306 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13307 control statement, handle all three special cases in the same
13308 manner as they all have the same desired solution. No longer
13309 special case edge flag updating when the post dominator is
13312 2006-02-08 Roger Sayle <roger@eyesopen.com>
13314 * tree.def (CHAR_TYPE): Remove.
13315 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13316 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13317 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13318 (gen_string_type_die): Delete unreachable function.
13320 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13321 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13322 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13323 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13324 * builtins.c (type_to_class): Likewise.
13325 * fold-const.c (fold_convert, build_range_check,
13326 merge_ranges): Likewise.
13327 * expr.c (count_type_elements): Likewise.
13328 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13329 * stor-layout.c (layout_type): Likewise.
13330 * ipa-type-escape.c (type_to_consider): Likewise.
13331 * gimplify.c (omp_firstprivatize_type_sizes,
13332 gimplify_type_sizes): Likewise.
13333 * explow.c (promote_mode): Likewise.
13334 * tree-sra.c (is_sra_scalar_type): Likewise.
13335 * varasm.c (output_constant): Likewise.
13336 * tree-inline.c (remap_type_1): Likewise.
13337 * convert.c (convert_to_pointer, convert_to_real,
13338 convert_to_integer, convert_to_complex): Likewise.
13340 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13342 * df-scan.c (df_def_record_1): A set destination may
13343 be a parallel regardless of mode.
13345 2006-02-08 Roger Sayle <roger@eyesopen.com>
13348 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13349 * config/mips/_tilib.c: Remove.
13350 * config/fixtfdi.c: New libgcc source file.
13351 * config/fixunstfdi.c: New source file.
13352 * config/floatditf.c: New source file.
13353 * config/floatunditf.c: New souce file.
13354 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13355 files above instead of config/mips/_tilib.c.
13356 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13358 2006-02-08 Jeff Law <law@redhat.com>
13360 PR tree-optimization/26169
13361 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13364 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13366 * df.h (DF_REG_SIZE): Return the length of the initialized
13369 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13371 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13372 __muldf3): Return a correctly signed zero.
13374 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13376 * passes.c (register_one_dump_file): Accept the current properties
13377 instead of pass number. Adjust call to dump_register. Remove
13379 (register_dump_files): Now a wrapper around...
13380 (register_dump_files_1): ... this one. Do not modify the pass
13382 (next_pass_1): Cosmetic fix.
13383 (execute_todo): Keep second parameter only. Use curr_properties
13384 instead of fetching it from the pass structure. Check and set
13386 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13387 instead of fetching it from the pass structure. Fix calls to
13388 execute_todo. Update curr_properties and initialize .vcg RTL dump
13389 after running the pass. Reset last_verified.
13390 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13392 (FIRST_AUTO_NUMBERED_DUMP): New.
13393 (dump_register): Remove "num" parameter, assign it within the
13395 (get_dump_file_name): Modify template for dumps.
13396 * tree-dump.h (dump_register): Adjust prototype.
13397 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13398 (PROP_trees): Add PROP_gimple_lomp.
13399 (TODO_set_props): New.
13400 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13401 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13402 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13404 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13406 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13407 (sparc64-*-linux*): Likewise.
13408 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13409 * config/sparc/t-linux: New file.
13410 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13411 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13412 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13413 -m32 -mlong-double-128.
13415 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13416 * config/alpha/t-linux: New file.
13417 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13419 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13420 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13421 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13422 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13423 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13424 (CPP_ARCH32_SPEC): Remove.
13426 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13428 PR tree-optimization/26145
13429 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13432 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13435 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13436 >= 240000 when generating code for SOM runtime.
13437 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13438 to $$dyncall when generating code for SOM runtime..
13440 2006-02-07 Dirk Mueller <dmueller@suse.com>
13443 * doc/invoke.texi (-Wsequence-point): Update documentation
13444 that -Wsequence-point is implemented for C++ as well.
13446 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13448 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13449 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13450 (LIB_SPEC): Likewise.
13451 * doc/invoke.texi (SPARC options): Document -pthread.
13453 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13455 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13458 2006-02-07 Roger Sayle <roger@eyesopen.com>
13460 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13461 Correct comment describing BOOLEAN_TYPE.
13463 2006-02-07 Dirk Mueller <dmueller@suse.com>
13465 * c.opt: C++ frontend supports -Wdiv-by-zero.
13466 * c-opts.c (c_common_handle_option): Remove dead case.
13468 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13470 * configure.ac (TLS assembler check): Do not enable TLS by
13471 default on SPARC/Solaris before version 10.
13472 * configure: Regenerate.
13474 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13476 * doc/invoke.texi (xl-compat): Document conversion and support
13479 2006-02-07 Jeff Law <law@redhat.com>
13481 * tree-vrp.c (find_conditional_asserts): Update comments.
13482 (simplify_stmt_for_jump_threading): New.
13483 (identify_jump_threads, finalize_jump_threads): New.
13484 (vrp_finalize): Call identify_jump_threads.
13485 (execute_vrp): Call finalize_jump_threads.
13486 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13487 (vrp_element, vrp_data, vrp_element_p): Remove.
13488 (vrp_hash_elt, vrp_variables_stack): Remove.
13489 (vrp_hash, vrp_eq, record_range): Remove.
13490 (simplify_cond_and_lookup_avail_expr): Remove.
13491 (extract_range_from_cond): Remove.
13492 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13493 (simplify_stmt_for_jump_threading): New.
13494 (dom_thread_across_edge): New wrapper.
13495 (tree_ssa_dominator_optimize): No longer initialize or
13496 finalize any of the VRP datastructures. Remove iteration
13497 step and simplify as a result of removal of iteration step.
13498 (pass_dominator): Perform a cfg cleanup after DOM.
13499 (dom_opt_finalize_block): Use the new common routines
13500 for threading jumps. Simplify stack management slightly.
13501 No longer need to unwind VRP state.
13502 (record_equivalences_from_incoming_edge): No longer record
13504 (eliminate_redundant_computations): No longer call
13505 simplify_cond_and_lookup_avail_expr.
13506 * tree-flow.h (potentially_threadable_block): Prototype.
13507 (thread_across_edge): Likewise.
13508 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13509 (tree-ssa-threadedge.o): Add dependencies.
13510 * tree-ssa-threadedge.c: New file.
13511 * passes.c (init_optimization_passes): Merge PHIs before
13512 calling VRP. Run VRP again late in the SSA optimization pipeline.
13514 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13516 * df-core.c (df_set_blocks): Do not dereference function pointers.
13517 (df_finish1): Likewise.
13518 (df_hybrid_search_forward): Likewise.
13519 (df_hybrid_search_backward): Likewise.
13520 (df_iterative_dataflow): Likewise.
13521 (df_analyze_problem): Likewise.
13522 (df_compact_blocks): Likewise.
13523 (df_dump): Likewise.
13524 * df-scan.c (df_rescan_blocks): Likewise.
13525 (df_record_entry_block_defs): Likewise.
13527 * genconditions.c (write_conditions): Guard the definition of
13528 'insn_conditions' with the check on GCC version.
13529 (write_writer): Guard the traversal 'insn_conditions' with
13530 the check on GCC version.
13532 2006-02-07 Richard Guenther <rguenther@suse.de>
13536 2006-01-30 Richard Guenther <rguenther@suse.de>
13538 * gimplify.c (gimplify_target_expr): Handle easy cases
13539 without creating a temporary.
13541 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13543 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13544 use of float in probability computations. Use edge probabilities
13545 in place of statically computed probabilities.
13546 (min_spec_prob): New static variable.
13547 (schedule_insns): Initialize it.
13548 (GET_SRC_PROB): Removed.
13549 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13551 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13554 * config/ia64/unwind-ia64.c: Revert last change.
13555 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13556 (INCOMING_FRAME_SP_OFFSET): Define.
13558 2006-02-06 Roger Sayle <roger@eyesopen.com>
13560 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13562 2006-02-07 Ben Elliston <bje@au.ibm.com>
13564 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13565 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13566 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13567 (ix86_return_in_memory): Handle TDmode.
13568 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13569 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13571 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13573 * reorg.c (dbr_schedule): Use dump_file instead of file.
13575 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13578 * config/ia64/predicates.md (extr_len_operand): New predicate.
13579 * config/ia64/ia64.md (extv): Tighten constraints.
13581 (*tbit_and_2): Ditto.
13582 (*tbit_and_3): Ditto.
13583 (*tbit_or_2): Ditto.
13584 (*tbit_or_3): Ditto.
13585 (*bit_zero): Ditto.
13588 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13591 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13593 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13595 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13596 loop_optimizer_init and loop_optimizer_finalize
13597 * tree-ssa-sink.c (execute_sink_code): Ditto.
13598 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13599 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13600 tree_ssa_loop_done): Ditto.
13601 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13602 * sched-ebb.c: Include output.h.
13603 (schedule_ebbs): Do not use dump argument.
13604 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13605 * loop.c (loop_dump_stream): Removed.
13606 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13608 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13609 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13610 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13611 loop_iterations, strength_reduce, record_biv, record_giv,
13612 final_giv_value, check_final_value, check_ext_dependent_givs,
13613 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13614 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13615 dump_file instead of loop_dump_stream.
13616 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13617 argument dump_file.
13618 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13620 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13621 * haifa-sched.c: Include output.h
13622 (schedule_insns, sched_init): Do not use dump argument.
13623 * mode-switching.c (optimize_mode_switching): Ditto.
13624 * modulo-sched.c (stats_file): Removed.
13625 (print_node_sched_params): Do not call argument dump_file.
13626 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13627 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13629 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13631 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13632 rtl_loop_init, rtl_loop_done): Ditto.
13633 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13634 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13636 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13637 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13638 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13639 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13640 * emit-rtl.c (renumber_insns): Ditto.
13641 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13642 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13643 * regclass.c (regclass): Ditto.
13644 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13645 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13646 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13647 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13649 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13650 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13652 * gcse.c (gcse_file, debug_stderr): Removed.
13653 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13654 rest_of_handle_gcse): Do not use dump argument.
13655 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13656 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13657 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13658 compute_code_hoist_vbeinout, compute_code_hoist_data,
13659 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13660 compute_store_table, build_store_vectors, insert_insn_start_bb,
13661 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13662 store_motion): Use dump_file instead of gcse_file.
13663 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13664 * profile.c (profile_dump_file): Removed.
13665 (branch_prob): Use dump_file instead of profile_dump_file.
13666 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13668 * tree-ssa-copy.c (dump_copy_of): Ditto.
13669 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13670 dump file to life_analysis.
13671 * bt-load.c (branch_target_load_optimize): Ditto.
13672 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13674 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13675 regclass, dbr_schedule): Declaration changed.
13676 * sched-int.h (sched_init): Declaration changed.
13677 * tree-profile.c (tree_profile_dump_file): Removed.
13678 (tree_profile_hooks): Removed profile_dump_file hook.
13679 * rtl-profile (rtl_profile_dump_file): Removed.
13680 (rtl_profile_hooks): emoved profile_dump_file hook.
13681 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13683 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13684 * tree-cfg.c (build_tree_cfg): Ditto.
13685 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13686 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13687 Declaration changed.
13688 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13689 life_analysis and schedule_insns.
13690 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13692 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13694 * config/mips/mips.c (mips_reorg): Ditto.
13695 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13698 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13700 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13701 (s390_mangle_fundamental_type): New.
13702 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13705 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13706 (alpha_mangle_fundamental_type): New.
13707 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13710 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13712 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13714 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13715 (sparc_mangle_fundamental_type): New.
13717 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13719 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13720 (s390x-*-linux*): Likewise.
13721 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13722 * config/s390/t-linux: New file.
13724 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13726 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13727 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13729 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13731 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13732 (ANTIC_SAFE_LOADS): New macro.
13733 (find_or_generate_expression): Add prototype.
13734 (set_contains_value): Allow null set for sake of not always having
13735 to allocate ANTIC_SAFE_LOADS.
13736 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13737 Allow COMPONENT_REF too.
13738 (valid_in_set): Allow COMPONENT_REF.
13739 Check ANTIC_SAFE_LOADS too.
13740 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13741 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13743 (can_PRE_operation): Add COMPONENT_REF.
13744 (create_component_ref_by_pieces): New function.
13745 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13746 (insert_aux): Move AGGREGATE_TYPE_P check here.
13747 (compute_avail): Set bb local stmt uids.
13748 (pass_pre): Use TODO_update_ssa_only_virtuals.
13750 2006-02-06 Ben Elliston <bje@au.ibm.com>
13752 * configure.ac: Unconditionally disable decimal float by default.
13753 * configure: Regenerate.
13755 2006-02-06 Ben Elliston <bje@au.ibm.com>
13757 * read-rtl.c (read_name): Terminate reading on EOF.
13759 2006-02-06 Ben Elliston <bje@au.ibm.com>
13761 * dfp.c (decimal_real_arithmetic): Change second argument type
13762 from int to enum tree_code. Do not always return true, but now
13763 return result of any call to decimal_do helper functions.
13764 * dfp.h (decimal_real_arithmetic): Update prototype.
13766 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13768 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13770 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13773 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13776 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13778 * tree-vrp.c (cfg_loops): Removed.
13779 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13780 Use current_loops instead of cfg_loops. Pass flags to
13781 loop_optimizer_init.
13782 * cfgloopmanip.c (fix_loop_structure): Update only available
13784 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13785 loop_optimizer_init.
13786 * modulo-sched.c (build_loops_structure): Removed.
13787 (sms_schedule): Use loop_optimizer_init.
13788 * loop-init.c (loop_optimizer_init): Use flags to determine
13789 which properties of loops to prepare.
13790 (rtl_loop_init): Pass flags to loop_optimizer_init.
13791 * tree-ssa-sink.c (execute_sink_code): Ditto.
13792 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13793 * tree-ssa-pre.c (init_pre): Ditto.
13794 * cfgloop.h (LOOPS_NORMAL): New.
13795 (loop_optimizer_init): Declaration changed.
13797 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13799 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13800 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13802 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13804 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13806 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13807 * pa/t-pa64: Delete quadlib.c rule.
13808 * pa/x-ada: Revert last change.
13809 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13811 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13813 PR rtl-optimization/26087
13814 * rtlanal.c (canonicalize_condition): Do not cross basic block
13817 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13820 * config/ia64/ia64.c: Include debug.h.
13821 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13822 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13823 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13824 (process_epilogue, process_set, process_for_unwind_directive):
13825 Output unwind info only if requested. Add CFA info if requested.
13826 Add new arguments as needed. Adjust callers.
13827 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13829 (DWARF2_FRAME_INFO): Define to zero.
13830 * config/ia64/unwind-ia64.c: Remove code that compensated for
13831 the CFA offset error fixed above.
13832 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13833 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13834 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13835 -funwind-tables and -fexceptions to enable frame info.
13836 (dwarf2out_frame_init): Define initial CFA even if
13837 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13838 DWARF2_UNWIND_INFO is nonzero, not just defined.
13839 (dwarf2out_frame_finish): Output non-EH call frame info only
13840 if DWARF2_FRAME_INFO is nonzero.
13841 (convert_cfa_to_loc_list,
13842 compute_frame_pointer_to_cfa_displacement): Define even if
13843 unwind info is not supported.
13844 (gen_subprogram_die): Use the above unconditionally. Remove
13845 legacy alternate code.
13846 * toplev.c (compile_file): Compile in call to
13847 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13848 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13850 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13851 Jakub Jelinek <jakub@redhat.com>
13853 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13854 IBM extended float format long double as "g" on powerpc*-linux.
13856 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13859 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13860 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13862 2006-02-03 Jason Merrill <jason@redhat.com>
13865 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13867 PR middle-end/25977
13868 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13869 on the return slot if it's an NRV.
13871 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13873 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13874 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13875 rewrite_use): Do not handle USE_OUTER.
13876 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13877 add_iv_outer_candidates, may_replace_final_value,
13878 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13879 (find_interesting_uses_op): Functionality of
13880 find_interesting_uses_outer_or_nonlin moved here.
13881 (find_interesting_uses_outside): Use find_interesting_uses_op.
13883 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13886 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13888 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13889 Ulrich Weigand <uweigand@de.ibm.com>
13892 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13893 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13894 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13895 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13897 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13898 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13899 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13900 Define secondary reloads for TFmode moves.
13901 (constant_modes): Add TFmode.
13902 (NR_C_MODES): Set to 8.
13903 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13905 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13906 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13907 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13908 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13909 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13910 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13911 (FPR mode macro): Add TFmode.
13912 (DSF mode macro): New.
13913 (<de>, <dee> mode attributes): Removed.
13914 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13915 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13916 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13917 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13918 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13919 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13920 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13921 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13922 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13923 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13924 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13925 "*negabs<mode>2", "sqrt<mode>2"):
13926 Changed <de> to <xde>. R constraint replaced by <Rf>.
13927 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13929 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13930 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13931 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13933 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13934 "extenddftf2", "extendsftf2"): New expanders.
13935 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13936 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13937 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13938 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13940 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13941 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13942 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13943 __floatditf): Add a GCC_4.1.0 symbol version tag.
13944 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13947 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13950 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13951 Use targetm.binds_local_p instead of TREE_PUBLIC.
13953 2006-02-02 Roger Sayle <roger@eyesopen.com>
13955 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13956 on INTEGER_TYPEs to indicate that it denotes a character type.
13957 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13958 signed_char_type_node, unsigned_char_type_node and char_type_node.
13959 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13960 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13961 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13963 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13964 Daniel Berlin <dberlin@dberlin.org>
13966 * tree-tailcall.c (arg_needs_copy_p): New function.
13967 (eliminate_tail_call): Use arg_needs_copy_p.
13968 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13969 (add_virtual_phis): New function.
13971 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13973 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13974 #ignore instead of #scratch for %g7 .register directive.
13976 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13978 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13981 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13983 * flow.c (calculate_global_regs_live): Assert that there aren't any
13986 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13988 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13989 what its name says.
13990 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13991 bsi_after_labels iterator.
13992 * tree-if-conv.c (find_phi_replacement_condition,
13993 replace_phi_with_cond_modify_expr): Likewise.
13994 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13995 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13997 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13999 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
14001 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14004 * tree-cfg.c (move_block_to_fn): Clear out the basic block
14005 array after growing it.
14007 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14009 PR middle-end/24901
14010 * fold-const.c (fold_checksum_tree): Change type of buf.
14012 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
14014 * reload.c (push_secondary_reload): Initialize t_icode.
14016 2006-02-01 Jakub Jelinek <jakub@redhat.com>
14018 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
14019 -msoft-float -mlong-double-128 only issue a warning, but don't
14020 swich to DFmode long double.
14022 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
14024 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14025 has a constant equivalent, iterate over equivalents for arg0,
14026 calling simplify_relational_operation and if there's a result
14027 cheaper than X, apply fold_rtx and return the result.
14029 2006-02-01 Jan Hubicka <jh@suse.cz>
14031 * opts.c (no_unit_at_a_time_default): New global variable.
14032 (decode_options): Use it.
14033 * opts.h (no_unit_at_a_time_default): Declare.
14035 2006-02-01 Paul Brook <paul@codesourcery.com>
14037 * function.c (assign_parm_setup_reg): Use function argument promotion
14039 * expr.c (expand_expr_real_1): Use function argument promotion rules
14042 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14044 * gcc.c (process_command): Change j to 'unsigned int'.
14046 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14048 PR middle-end/26001
14049 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14050 Use the corrected index for the character
14051 out of the string constant.
14053 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14055 * mode-switching.c (optimize_mode_switching): Fix size
14056 allocated for bb_info[n_entities].
14058 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14060 * gcc.c (main): Correct type that is allocated for
14061 explicit_link_files.
14063 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14065 * config/s390/s390.c (init_alignment_context): Set
14066 ALIAS_SET_MEMORY_BARRIER on the MEM.
14067 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14069 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14071 PR middle-end/25933
14072 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14074 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14077 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14079 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14080 * regrename.c: Ditto.
14081 * tree-ssa-loop-im.c: Ditto.
14082 * tree-dump.c: Ditto.
14083 * tree-complex.c: Ditto.
14084 * genrecog.c: Ditto.
14085 * tree-ssa-threadupdate.c: Ditto.
14087 * java/class.c: Ditto.
14088 * java/jcf-parse.c: Ditto.
14089 * java/resource.c: Ditto.
14090 * java/except.c: Ditto.
14091 * java/jvspec.c: Ditto.
14092 * java/jcf-write.c: Ditto.
14093 * java/jcf-path.c: Ditto.
14094 * java/gjavah.c: Ditto.
14095 * java/zextract.c: Ditto.
14096 * java/jcf-io.c: Ditto.
14097 * java/jcf.h: Ditto.
14098 * java/buffer.c: Ditto.
14099 * java/lang.c: Ditto.
14100 * java/parse-scan.y: Ditto.
14101 * java/lex.c: Ditto.
14102 * java/lex.h: Ditto.
14103 * cfgloopmanip.c: Ditto.
14104 * postreload-gcse.c: Ditto.
14105 * tree-ssa-loop-manip.c: Ditto.
14106 * postreload.c: Ditto.
14107 * tree-ssa-loop-ch.c: Ditto.
14110 * cppspec.c: Ditto.
14111 * diagnostic.c: Ditto.
14113 * genoutput.c: Ditto.
14115 * cfghooks.c: Ditto.
14116 * cfgloopanal.c: Ditto.
14117 * objc/objc-act.c: Ditto.
14119 * genextract.c: Ditto.
14120 * genautomata.c: Ditto.
14121 * pretty-print.c: Ditto.
14122 * genemit.c: Ditto.
14123 * cgraphunit.c: Ditto.
14125 * df-scan.c: Ditto.
14126 * haifa-sched.c: Ditto.
14127 * dominance.c: Ditto.
14129 * tree-ssa-loop-ivopts.c: Ditto.
14130 * df-core.c: Ditto.
14131 * mode-switching.c: Ditto.
14132 * modulo-sched.c: Ditto.
14134 * ipa-pure-const.c: Ditto.
14136 * fix-header.c: Ditto.
14138 * tree-stdarg.c: Ditto.
14139 * ipa-utils.c: Ditto.
14140 * loop-init.c: Ditto.
14141 * ipa-inline.c: Ditto.
14142 * cfganal.c: Ditto.
14144 * alloc-pool.c: Ditto.
14145 * dwarf2out.c: Ditto.
14147 * genattrtab.c: Ditto.
14148 * tree-ssa-loop-ivcanon.c: Ditto.
14149 * predict.c: Ditto.
14150 * timevar.c: Ditto.
14152 * fortran/gfortranspec.c: Ditto.
14153 * regmove.c: Ditto.
14154 * local-alloc.c: Ditto.
14155 * langhooks.c: Ditto.
14156 * function.c: Ditto.
14157 * tree-vectorizer.c: Ditto.
14159 * ipa-type-escape.c: Ditto.
14161 * tree-if-conv.c: Ditto.
14162 * profile.c: Ditto.
14164 * tree-data-ref.c: Ditto.
14165 * loop-unroll.c: Ditto.
14166 * treelang/treetree.c: Ditto.
14168 * bt-load.c: Ditto.
14169 * ggc-common.c: Ditto.
14171 * coverage.c: Ditto.
14173 * tree-cfgcleanup.c: Ditto.
14174 * tree-ssa-pre.c: Ditto.
14175 * cfgcleanup.c: Ditto.
14176 * loop-invariant.c: Ditto.
14177 * loop-iv.c: Ditto.
14178 * ipa-prop.c: Ditto.
14179 * print-tree.c: Ditto.
14180 * conflict.c: Ditto.
14181 * ggc-page.c: Ditto.
14182 * sched-deps.c: Ditto.
14183 * regclass.c: Ditto.
14184 * tree-object-size.c: Ditto.
14185 * combine.c: Ditto.
14186 * bb-reorder.c: Ditto.
14187 * resource.c: Ditto.
14188 * var-tracking.c: Ditto.
14189 * cfgloop.c: Ditto.
14190 * df-problems.c: Ditto.
14191 * reg-stack.c: Ditto.
14193 * gccspec.c: Ditto.
14194 * sched-rgn.c: Ditto.
14195 * tree-ssa-structalias.c: Ditto.
14196 * tree-ssa-reassoc.c: Ditto.
14197 * config/darwin-c.c: Ditto.
14198 * config/darwin.c: Ditto.
14199 * config/arm/arm.c: Ditto.
14201 * collect2.c: Ditto.
14202 * reload1.c: Ditto.
14204 2006-01-31 Nicolas Pitre <nico@cam.org>
14206 * arm.md (smaxsi3): Make aware of smax_m1.
14209 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14211 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14213 2006-01-31 Richard Guenther <rguenther@suse.de>
14215 * doc/invoke.texi (-msselibm): Document.
14216 * target.h (expand_library_builtin): New target hook.
14217 * builtins.c (expand_builtin): Use expand_library_builtin.
14218 (default_expand_library_builtin): New function.
14219 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14220 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14221 (link_gcc_math_spec): Declare.
14222 (static_specs): Add link_gcc_math_spec.
14223 * expr.h (default_expand_library_builtin): Declare.
14224 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14225 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14226 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14227 * config/i386/i386.opt (msselibm): New target option.
14228 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14229 (ix86_init_sse_abi_builtins): New function.
14230 (ix86_expand_library_builtin): Likewise.
14231 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14232 (override_options): Handle error conditions wrt -msselibm.
14233 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14234 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14235 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14238 2006-01-31 Richard Guenther <rguenther@suse.de>
14239 Paolo Bonzini <bonzini@gnu.org>
14241 * doc/install.texi (--disable-libgcc-math): Document.
14243 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14245 * expr.h (expand_normal): new inline function.
14246 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14247 * dojump.c: use it.
14248 * dwarf2out.c: use it.
14251 * expmed.c: use it.
14252 * except.c: use it.
14253 * config/sparc/sparc.c: use it.
14254 * config/i386/i386.c: use it.
14255 * config/rs6000/rs6000.c: use it.
14256 * config/arm/arm.c: use it.
14257 * config/mips/mips.c: use it.
14258 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14260 2006-01-30 Roger Sayle <roger@eyesopen.com>
14262 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14263 argv to the appropriate type.
14265 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14267 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14270 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14273 * config/s390/s390.c (struct machine_function): New flag
14274 decomposed_literal_pool_addresses_ok_p.
14275 (s390_reorg): Set it before final stage of literal pool transforms.
14276 (s390_decompose_address): Only accept displacements of the form
14277 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14279 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14281 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14282 the comparison routine return.
14284 2006-01-30 Michael Matz <matz@suse.de>
14286 * global.c (find_reg): Only evict for global regs.
14287 Take n_refs into account and dump more info.
14289 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14292 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14293 (pragma_trap, pragma_nosave_low_regs): Likewise.
14294 (current_function_anonymous_args): Likewise.
14295 (sh_deferred_function_attributes): New variable.
14296 (sh_deferred_function_attributes_tail): Likewise.
14297 (print_operand): For '@', look up trap_exit attribute.
14298 (calc_live_regs): Look up trapa_handler attribute. For trapa
14299 handlers, save/restore fpscr, but don't do any other
14300 interrupt-specific saves.
14301 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14302 Fix check for partially saved registers to check for SHmedia.
14303 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14304 (sh_output_function_epilogue): Don't clear any of the removed
14306 (sh_insert_attributes): Don't check pragma_interrupt.
14307 Insert deferred attributes. Check that interrupt attribute is
14308 present for other attributes that require its presence.
14309 (sh_attribute_table): Add new attributes trapa_handler and
14311 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14312 Don't check for pragma_interrupt. Don't store argument.
14313 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14314 (sh_deferred_function_attributes): Declare.
14315 (sh_deferred_function_attributes_tail): Likewise.
14316 * sh.md (sp_switch_1): Add operand. Change generator caller.
14317 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14318 (*return_i): Don't use when trap_exit attribute is in effect.
14319 (*return_trapa): New insn pattern.
14320 * sh-c.c: New file.
14321 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14322 setting c_target_objs and cxx_target_objs.
14323 * t-sh: Add rule for sh-c.o.
14325 2006-01-30 Richard Guenther <rguenther@suse.de>
14328 * gimplify.c (gimplify_target_expr): Handle easy cases
14329 without creating a temporary.
14331 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14333 * vec.h (safe_grow): Remove duplicated line.
14335 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14338 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14339 (expand_omp): ... here.
14340 (expand_omp_parallel): Only remove barriers for combined
14341 parallel+workshare constructs.
14343 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14347 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14348 * tree.c (build_qualified_type): Chain the new type to the original
14349 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14350 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14351 (build_pointer_type_for_mode): Only return unqualified types.
14352 (build_reference_type_for_mode): Likewise.
14354 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14356 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14357 * Makefile.in (CXX_COMPAT_WARN): Define.
14358 * configure: Regenerate.
14360 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14363 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14366 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14368 * toplev.c: Fix thinko.
14370 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14371 Marcin Dalecki <martin@dalecki.de>
14373 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14374 (push_srcloc): Use XNEW.
14375 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14377 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14379 * df-core.c (df_set_blocks): Deleted all variable.
14381 2006-01-28 Ian Lance Taylor <ian@airs.com>
14383 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14384 cgraph_output_pending_asms.
14386 2006-01-28 Zack Weinberg <zackw@panix.com>
14388 * c.opt: Add -W(no-)overlength-strings.
14389 * doc/invoke.texi: Document it.
14390 * c-opts.c (c_common_handle_option): -pedantic implies
14391 -Woverlength-strings, if not explicitly disabled already.
14392 (c_common_post_options): -Woverlength-strings defaults to off, and
14393 is always off for C++.
14394 * c-common.c (fix_string_type): Issue warning about strings longer
14395 than is portable only if warn_overlength_strings. Rearrange code
14396 a little for clarity.
14397 * configure.in: Check for -Wno-overlength-strings as well before
14398 enabling -pedantic in stage 1.
14399 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14400 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14402 * genconditions.c (write_header, write_one_condition)
14403 (write_conditions, write_writer): Consolidate very long strings
14404 that were broken up to fit in C89 portable limit. Don't use
14405 printf when fputs will do.
14407 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14409 * combine.c (simplify_comparison <AND>): Check
14410 TRULY_NOOP_TRUNCATION before start using a subreg.
14412 * config/mips/mips.md (*branch_zero<mode>,
14413 *branch_zero<mode>_inverted, *branch_equality<mode>,
14414 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14415 Remove mode check from comparisons.
14417 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14419 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14421 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14423 * expmed.c (const_mult_add_overflow_p): Remove.
14424 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14426 * recog.c (validate_replace_rtx_subexp): Remove.
14427 * recog.h: Remove the prototype for
14428 validate_replace_rtx_subexp.
14430 * integrate.h: Remove the prototype for
14431 copy_decl_for_inlining.
14432 * rtl.h: Remove the prototype for mark_constant_function.
14433 * tree-vectorizer.h: Remove the prototype for
14434 vect_strip_conversion.
14436 * modulo-sched.c (create_partial_schedule,
14437 free_partial_schedule, reset_partial_schedule): Make them
14440 * hooks.c (hook_bool_rtx_int_false): Remove.
14441 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14443 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14445 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14446 and -mlong-double-128 are incompatible.
14447 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14448 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14449 (TARGET_LIBGCC2_CFLAGS): Define.
14450 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14451 (TARGET_LIBGCC2_CFLAGS): Same.
14452 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14454 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14457 * c-typeck.c (build_binary_op): Perform implicit casts of
14458 operands before shortening them.
14460 * cfgloopmanip.c (split_loop_bb): Remove.
14461 * cfgloop.h: Remove the prototype for split_loop_bb.
14463 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14464 * cfgloop.h: Remove the prototype for
14465 flow_loop_outside_edge_p.
14467 * emit-rtl.c (init_virtual_regs): Make it static.
14468 * function.h: Remove the prototype for init_virtual_regs.
14470 * recog.c (peephole2_optimize): Make it static.
14471 * recog.h: Remove the prototype for peephole2_optimize.
14473 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14475 * df-scan.c (df_record_entry_block_defs): Check if
14476 INCOMING_RETURN_ADDR_RTX is defined.
14478 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14479 Kenneth Zadeck <zadeck@naturalbridge.com>
14481 PR rtl-optimization/24762
14482 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14483 * targhooks.c (hook_void_bitmap): New hook prototype.
14484 * targhoohs.h (hook_void_bitmap): Ditto.
14485 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14486 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14487 * target.h (live_on_entry): New function pointer.
14488 * df-scan.c (df_all_hard_regs): Removed.
14489 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14490 (df_scan_free_internal): Added df->entry_block_defs.
14491 (df_scan_alloc): Ditto.
14492 (df_scan_dump): Ditto.
14493 (df_uses_record): Plumbed flag field properly thru calls.
14494 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14495 This part fixes PR24762.
14496 (df_bb_refs_record): Added code to make the frame and arg
14497 pointers live in EH blocks.
14498 (df_refs_record): Added call to df_record_entry_block_defs.
14499 (df_record_entry_block_defs): New function.
14500 * df-core.c: Added comments to describe new artifical defs.
14501 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14502 (entry_block_defs): New field in struct df.
14503 (df_all_hard_regs): Deleted.
14504 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14505 * df-problems.c (df_ru_bb_local_compute_process_def):
14506 Added code to handle artifical defs in the entry to a function.
14507 (df_ru_bb_local_compute): Ditto.
14508 (df_rd_bb_local_compute_process_def): Ditto.
14509 (df_rd_bb_local_compute): Ditto.
14510 (df_lr_bb_local_compute): Ditto.
14511 (df_ur_bb_local_compute): Ditto.
14512 (df_urec_bb_local_compute): Ditto.
14513 (df_chain_create_bb): Ditto.
14514 (df_ur_local_finalize): Removed entry.
14515 (df_urec_init): Ditto.
14516 (df_urec_local_finalize): Ditto.
14517 (df_ri_bb_compute): Added detection of last use of pseudos.
14518 * Makefile.in (df-scan.o): Updated dependencies.
14519 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14520 * config/mips/mips.c (mips_set_live_on_entry): Added.
14521 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14523 * dce.c (marked_insn_p): Added code to handle artifical defs.
14525 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14527 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14529 (_mm_cvtsi128_si64): Likewise.
14530 (_mm_cvtsd_si64): Likewise.
14531 (_mm_cvttsd_si64): Likewise.
14532 (_mm_cvtsi64_sd): Likewise.
14533 (_mm_cvtsi64_si128): Likewise.
14534 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14535 (_mm_cvtsi64_m64): Likewise.
14536 (_m_to_int64): Likewise.
14537 (_mm_cvtm64_si64): Likewise.
14538 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14539 (_mm_cvttss_si64): Likewise.
14540 (_mm_cvtsi64_ss): Likewise.
14541 (_mm_cvtss_f32): Likewise.
14543 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14545 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14546 for pragma redefine_extname.
14548 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14551 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14552 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14553 -mno-minimal-toc to previous content.
14554 (bispecs): Remove goal.
14555 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14556 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14557 compatibility aliases on powerpc-*-*gnu*.
14558 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14559 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14560 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14561 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14562 (ldblspecs): New goal.
14563 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14564 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14566 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14567 L_sf_to_tf or L_df_to_tf is defined.
14569 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14570 Alan Modra <amodra@bigpond.net.au>
14573 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14574 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14575 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14576 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14577 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14578 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14579 (rs6000_override_options): Initialize rs6000_ieeequad.
14580 Initialize TFmode format to ibm_extended_format if not
14582 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14584 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14585 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14586 (function_arg_advance): IBM long double passed in two FPRs, not
14588 (function_arg): IBM long double passed in FPRs.
14589 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14590 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14591 Only multireg GPR aligned.
14592 (rs6000_init_libfuncs): Enable IBM long double functions if not
14594 (rs6000_generate_compare): Use IBM long double compare if not
14596 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14597 (TARGET_IEEEQUAD): Define.
14598 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14599 not TARGET_IEEEQUAD.
14600 * config/rs6000/rs6000.md: Enable TFmode patterns if
14602 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14603 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14604 and -mlong-double-128 are incompatible.
14605 * doc/invoke.texi (-mabi): Collect options together. Add
14606 ibmlongdouble and ieeelongdouble.
14608 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14610 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14612 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14613 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14614 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14615 * rtl.h (rtunion_def): Remove rt_ptr.
14617 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14618 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14619 * config/i386/winnt.c (i386_pe_mark_dllexport)
14620 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14622 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14624 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14626 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14630 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14631 pthread_key_delete. From John David Anglin. gthrw-ify
14632 pthread_getunique_np only if it it's not a macro. Delete
14634 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14635 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14636 __gthread_objc_condition_signal, __gthread_key_delete): Add
14637 "__attribute__ ((__unused__))" to unused arguments.
14638 (__gthread_recursive_mutex_init_function): Add missing return.
14639 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14640 gthr-posix95.h: Use macro-based approach for name redirection
14641 on targets missing weakref.
14643 2006-01-26 Zack Weinberg <zackw@panix.com>
14645 * genconditions.c (write_header): In generated code, #ifdef out
14646 all includes and fake declarations, except includes of bconfig.h
14647 and system.h, unless GCC_VERSION >= 3001. Do not include
14648 gensupport.h in any case.
14649 (write_conditions): Generate a definition of struct c_test. Add
14650 a comment to the generated #endif.
14651 (write_one_condition): Escape backslashes in string too.
14652 (write_writer): Generated code must escape backslashes and quote
14653 marks (but not newlines) in the strings it writes.
14654 * Makefile.in (build/gencondmd.o): Update dependencies.
14656 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14659 * Makefile.in (insn-automata.o): Add header file dependencies.
14660 * genautomata.c: Add includes.
14662 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14665 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14667 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14669 * configure.ac: Expect target tools paths to be passed from the toplevel
14670 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14672 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14674 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14677 * c.opt (Wpointer-sign): Init to -1.
14678 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14679 OPT_pedantic, to 0 otherwise.
14680 * doc/invoke.texi: Update.
14682 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14684 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14685 constants provided by 80387 instructions in the destination mode.
14687 2006-01-26 Richard Guenther <rguenther@suse.de>
14688 Andrew Pinski <pinskia@physics.uc.edu>
14691 partial PR tree-opt/17064
14692 * tree-ssa-structalias.c (intra_create_variable_infos):
14693 Create heap variables for incoming parameters if
14694 flag_argument_noalias > 1.
14695 (find_what_p_points_to): Look through default defs of
14698 2006-01-26 Jeff Law <law@redhat.com>
14701 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14702 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14703 within the VR_RANGE, use the VR_RANGE as the result, not the
14705 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14706 bounds for the type.
14708 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14710 * tree-ssa-alias.c (maybe_create_global_var): Change
14711 subvar walking to an assertion that we don't have subvar'd variables.
14713 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14716 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14717 Use a new variable, inner. PARM_DECLs are always non-weak.
14719 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14721 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14722 --disable-checking.
14724 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14726 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14728 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14730 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14731 (smax_insn, smin_insn, smax_0, smin_0): New.
14733 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14736 * config/cris/cris.c (cris_order_for_addsi3): New function.
14737 * config/cris/cris-protos.h: Prototype it.
14738 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14739 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14740 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14741 (split for "op.S1 [rx=rx+i],ry (swapped)")
14742 (split for "op(s|u).S1 [rx=rx+i],ry")
14743 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14744 Apply cris_order_for_addsi3 when generating addsi3 insns.
14746 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14748 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14749 (TREE_BLOCK): Add call to EXPR_CHECK.
14751 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14754 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14755 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14756 (dump_omp_clauses): ... here.
14757 (dump_generic_node): Handle OMP_CLAUSE.
14758 * tree.c (omp_clause_num_ops): New.
14759 (omp_clause_code_name): New.
14760 (tree_code_size): Handle OMP_CLAUSE.
14761 (tree_size): Likewise.
14762 (make_node): Document handling of OMP_CLAUSE.
14763 (tree_node_structure): Handle OMP_CLAUSE.
14764 (omp_clause_check_failed): New.
14765 (omp_clause_range_check_failed): New.
14766 (omp_clause_operand_check_failed): New.
14767 (build_omp_clause): New.
14768 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14769 * tree.h (enum omp_clause_code): Declare.
14770 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14771 (OMP_CLAUSE_RANGE_CHECK): Define.
14772 (OMP_CLAUSE_ELT_CHECK): Define.
14773 (omp_clause_check_failed): Declare.
14774 (omp_clause_operand_check_failed): Declare.
14775 (omp_clause_range_check_failed): Declare.
14776 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14777 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14778 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14779 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14780 (OMP_CLAUSE_IF_EXPR): Likewise.
14781 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14782 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14783 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14784 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14785 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14786 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14787 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14788 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14789 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14790 (OMP_CLAUSE_CODE): Define.
14791 (OMP_CLAUSE_SET_CODE): Define.
14792 (OMP_CLAUSE_CODE): Define.
14793 (OMP_CLAUSE_OPERAND): Define.
14794 (struct tree_omp_clause): Declare.
14795 (union tree_node): Add field 'omp_clause'.
14796 * treestruct.def (TS_OMP_CLAUSE): Define.
14797 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14798 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14799 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14800 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14801 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14802 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14803 (OMP_CLAUSE): Define.
14804 * print-tree.c (print_node): Handle OMP_CLAUSE.
14805 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14806 * c-typeck.c: Likewise.
14807 * gimplify.c: Likewise.
14808 * c-omp.c: Likewise.
14809 * tree-nested.c: Likewise.
14810 * tree-inline.c: Likewise.
14811 * c-parser.c: Likewise.
14812 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14815 2006-01-25 Roger Sayle <roger@eyesopen.com>
14817 PR rtl-optimization/25703
14818 * combine.c (try_combine): Handle zero_extract and strict_low_part
14819 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14821 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14823 * global.c: Fix comment typos.
14825 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14828 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14829 Use output_addr_const instead of assemble_name.
14831 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14833 * Makefile.in (sched-vis.o): Update dependencies.
14834 * haifa-sched.c (sched_finish): Clear current_sched_info.
14835 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14836 (dump_flow_info): Call it.
14837 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14839 * basic-block.h (dump_bb_info): Declare.
14840 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14841 option, and apply options only for dump files whose TDF_RTL,
14842 TDF_TREE, or TDF_IPA bits match.
14843 * rtl.h: Declare new functions exported from sched-vis.c.
14844 * sched-vis.c: Enable also if scheduling is not used.
14845 (print_value): Print the mode of registers if not inside scheduling.
14846 (print_insn): Make it work outside the scheduler. Beautify the output
14848 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14850 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14852 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14853 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14854 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14855 depending on the value of CONSTANT_POOL_ADDRESS_P.
14856 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14858 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14859 rather than SYMBOL_REF_DECL.
14860 (rtx_constant_pool): Remove const_rtx_sym_htab.
14861 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14862 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14863 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14864 Remove handling of const_rtx_sym_htab.
14865 (find_pool_constant): Delete.
14866 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14867 rather than find_pool_constant.
14868 (get_pool_constant_for_function): Delete.
14869 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14870 find_pool_constant.
14871 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14872 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14873 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14874 (SYMBOL_REF_CONSTANT): New macro.
14875 (get_pool_constant_for_function): Delete.
14876 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14877 rather than SYMBOL_REF_DECL.
14878 (i386_pe_mark_dllimport): Likewise.
14879 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14880 rather than SYMBOL_REF_DECL.
14881 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14882 (machopic_indirect_call_target): Likewise.
14884 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14886 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14888 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14890 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14892 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14894 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14896 2006-01-24 David Daney <ddaney@avtrex.com>
14899 * configure.ac (enable_tls): New enable option.
14900 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14901 * configure: Regenerate.
14902 * doc/install.texi (--enable-tls): Document new option.
14903 (--disable-tls): Ditto.
14905 2006-01-24 Richard Henderson <rth@redehat.com>
14907 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14908 * alias.c (true_dependence): Respect it.
14909 (canon_true_dependence, write_dependence_p): Likewise.
14910 * builtins.c (get_builtin_sync_mem): Set it.
14912 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14914 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14917 2006-01-24 DJ Delorie <dj@redhat.com>
14919 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14920 for storing constants in single-bit bitfields.
14922 2006-01-25 Ben Elliston <bje@au.ibm.com>
14924 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14926 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14929 * tree-ssa-pre.c (phi_translate): Return NULL
14930 for AGGREGATE_TYPE's.
14932 2006-01-24 Zack Weinberg <zackw@panix.com>
14934 * genautomata.c (process_state_for_insn_equiv_partition):
14935 Use xcalloc for insn_arcs_array.
14936 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14937 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14939 2006-01-24 Richard Henderson <rth@redhat.com>
14941 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14942 update all callers.
14944 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14946 PR rtl-optimization/25890
14947 PR rtl-optimization/25905
14948 * combine.c (expand_compound_operation, expand_field_assignment):
14949 Fail if the bitfield's final position is out of bounds.
14951 2006-01-24 Ian Lance Taylor <ian@airs.com>
14953 PR middle-end/25930
14954 * cgraphunit.c (cgraph_output_in_order): Don't clear
14955 cgraph_asm_nodes until after asm strings have been output.
14957 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14959 * fix-header.c (read_scan_file): Add new parameter imultilib when
14960 calling register_include_chains.
14962 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14964 * omp-low.c: Update documentation.
14966 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14967 Daniel Berlin <dberlin@dberlin.org>
14971 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14972 return from the function.
14974 2006-01-22 Zack Weinberg <zackw@panix.com>
14976 * rtl.def (match_code): Add second argument.
14977 * genpreds.c (write_extract_subexp): New function.
14978 (write_match_code): Add path argument. Use write_extract_subexp.
14979 (write_predicate_expr): Pass path to write_match_code.
14980 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14981 not perform a mode test.
14982 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14983 a subexpression does not constrain the top-level code set.
14984 * read-rtl.c (read_rtx_variadic): New function.
14985 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14986 * doc/md.texi: Document new notation.
14987 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14988 (cmpsi_operand): ... here, using new notation.
14990 2006-01-22 Zack Weinberg <zackw@panix.com>
14992 * varray.c: Remove GENERATOR_FILE #ifdefs.
14994 2006-01-22 Zack Weinberg <zackw@panix.com>
14996 * genautomata.c (output_reserved_units_table): Emit nothing if
14997 description->query_units_num is zero. Remove extra blank line.
14998 (output_cpu_unit_reservation_p): Short circuit
14999 if description->query_units_num is zero.
15001 2006-01-22 Zack Weinberg <zackw@panix.com>
15003 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
15004 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
15005 nor any of the random handful of variables that used to be necessary
15006 when this program was linked with rtlanal.o. Prune set of forward
15007 function declarations.
15008 (struct attr_desc): Remove static_p field.
15009 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
15010 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
15011 (attr_string): Do not read the character one past the length of
15013 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
15014 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
15015 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
15016 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
15017 (make_automaton_attrs): New.
15018 (main): Do not call into genautomata. Call local gen_bypass
15019 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
15020 Remove special case for insn_alts.
15021 * genautomata.c: Include gensupport.h; not genattrtab.h nor
15022 varray.h (leftover from previous change). Prune set of forward
15023 function declarations. Remove state_alts fields from all
15024 structures. Remove state_alts_table from struct automaton.
15025 Make everything except main static. Do not maintain num_dfa_decls.
15026 Do not maintain state_alts fields of various structures.
15027 (process_decls): Don't validate condexp for dm_insn_reserv decls.
15028 (add_arc): Remove state_alts argument. All callers updated.
15029 (output_reserved_units_table): Emit #ifdef here...
15030 (output_tables): ...not here. Don't generate state_alts tables.
15031 (expand_automata): Don't generate attributes.
15032 (write_automata): Don't generate state_alts functions.
15033 (main): New function.
15034 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15035 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15036 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15037 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15038 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15039 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15040 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15041 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15043 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15044 * genattrtab.h: Delete file.
15045 * Makefile.in (OBJS-common): Add insn-automata.o.
15046 (insn-automata.o): New rule.
15047 (simple_generated_c): Add insn-automata.c.
15048 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15049 (genprogmd): Add automata.
15050 (build/genattrtab): Needs no extra objects nor libraries.
15051 (build/genautomata): Needs build/vec.o and -lm.
15053 2006-01-22 Zack Weinberg <zackw@panix.com>
15055 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15056 (output_dfa_max_issue_rate, locked_states_num): Delete.
15057 (struct automaton): Add locked_states field.
15058 (output_dead_lock_vect): Save number of locked states in
15059 automaton->locked_states. If it is zero, don't print anything.
15060 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15061 (output_internal_dead_lock_func): Only test the dead_lock_vect
15062 for automata that have locked states.
15063 (output_statistics): Always print the number of locked states for
15064 each automaton. Calculate total number of locked states here.
15065 (write_automata): Don't call output_dfa_max_issue_rate.
15066 * genattrtab.c: Define length_unit_log as a const variable.
15067 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15068 max_insn_queue_index const.
15069 * final.c (length_unit_log): Declare const.
15070 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15072 2006-01-22 Zack Weinberg <zackw@panix.com>
15074 * genautomata.c: Include vec.h, not varray.h.
15075 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15076 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15077 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15078 VEC_* macros operating on appropriately typed vectors, or to
15079 malloced arrays when the size is known in advance. Const-ify
15080 many char* variables and function arguments. No functional changes.
15081 * Makefile.in (build/varray.o): Delete rule.
15082 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15083 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15085 2006-01-22 Zack Weinberg <zackw@panix.com>
15087 * gensupport.c: Define get_insn_name and record_insn_name here.
15088 (read_md_rtx): Call record_insn_name as appropriate.
15089 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15090 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15091 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15093 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15094 (BUILD_VARRAY): Delete.
15095 (genprognormal): Rename genprogmd. Fold in all programs from
15096 genprognoprint; also attrtab.
15097 (build/genattrtab): Just mention genautomata.o and varray.o.
15098 Reorganize a bit, add comments to make the categories clearer.
15100 2006-01-22 Zack Weinberg <zackw@panix.com>
15102 * genconditions.c (condition_table, add_condition): Delete.
15103 (write_conditions): Don't emit n_insn_conditions nor
15104 insn_elision_unavailable. Issue the gcc version #ifdef here,
15105 inside the table, with no #else clause ...
15106 (write_header): ...not here.
15107 (write_writer): New function.
15108 (main): Don't initialize condition_table. Use add_c_test.
15110 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15111 files on the command line.
15112 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15113 Return -1 if there is no entry in the table, don't abort.
15114 (add_c_test, traverse_c_tests): New functions.
15115 * gensupport.h (insn_elision_unavailable, insn_conditions)
15116 (n_insn_conditions): Delete declarations.
15117 (add_c_test, traverse_c_tests): Declare.
15118 * read-rtl.c: Include gensupport.h.
15119 (read_conditions): New function.
15120 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15121 (read_rtx_1): If we get EOF when we were looking for an initial
15122 open paren, return 0. Call read_conditions when appropriate.
15123 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15124 dummy-conditions.o. Eliminate references to insn-conditions.o,
15125 or change them to build/gencondmd.o, as appropriate. Remove
15126 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15127 from $(simple_generated_c). For all files remaining in those
15128 two lists, add insn-conditions.md to the generator command line.
15129 Give insn-constants.h/s-constants their own rules. Add rules
15130 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15131 (build/read-rtl.o): Depend on gensupport.h.
15132 (genprognormal): Include preds.
15133 (genprogearly): Rename genprognoprint; only difference is now that
15134 they don't link with $(BUILD_PRINT).
15135 * dummy-conditions.c: Delete.
15137 2006-01-22 Zack Weinberg <zackw@panix.com>
15139 * genextract.c: Don't include insn-config.h. Do include vec.h.
15140 Declare vectors of int, char, and locstr.
15141 (locstr): New typedef.
15142 (struct extraction): Make all array fields into bare pointers.
15143 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15144 (insn_code_number): Delete.
15145 (accum_extract): New struct.
15146 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15147 (gen_insn): Take insn_code_number as an argument. Use an
15148 accum_extract structure instead of loading data directly into
15149 a struct extraction, and having to know how big it might get.
15150 (walk_rtx): Operate entirely on an accum_extract structure.
15151 (print_path): Avoid unnecessary use of printf.
15152 (print_header): New function, split out of main. Distinguish
15153 more carefully between an unrecognizable insn and an insn that
15154 has the code number of a define_expand.
15155 (main): Pass insn_code_number to gen_insn. Call print_header
15156 only after parsing. Avoid unnecessary use of printf.
15157 * Makefile.in (build/vec.o): New rule.
15158 (build/genextract): Depend on build/vec.o.
15159 (build/genextract.o): Don't depend on insn-config.h.
15161 2006-01-22 Zack Weinberg <zackw@panix.com>
15163 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15164 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15165 practical. Eliminate per-generator-program link rules.
15167 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15169 PR middle-end/24437
15170 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15171 with a call expr to ...
15172 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15174 2006-01-23 Richard Guenther <rguenther@suse.de>
15176 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15177 before make_edge with conditional EDGE_TRUE_VALUE.
15179 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15180 Jan Hubicka <jh@suse.cz>
15181 Richard Guenther <rguenther@suse.de>
15183 PR rtl-optimization/25654
15184 * cfgexpand.c (aggregate_contains_union_type): New function.
15185 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15186 for structure variables that contain a union type.
15188 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15190 * gengtype.c (new_structure): Return the structure.
15191 (create_option): Add an extra "next" argument.
15192 (create_field): New function.
15193 (adjust_field_rtx_def): Use create_option and create_field.
15194 Remove a now-unnecessary call to find_structure.
15195 (adjust_field_tree_def): Likewise.
15196 (note_yacc_type): Remove an unnecessary call to find_structure.
15197 * gengtype.h (new_structure): Return the structure.
15198 (create_option): Add an extra argument.
15199 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15200 (option): Adjust calls to create_option.
15202 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15204 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15206 2006-01-22 Paul Brook <paul@codesourcery.com>
15207 Peter Barada <peter@the-baradas.com>
15209 * config/m68k/m68k.md: Add Coldfire FPU support.
15210 Define FP mode macro and associated attributes.
15211 Use it for float mode patterns.
15212 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15213 (LIBCALL_VALUE): Use m68k_libcall_value.
15214 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15215 (m68k_function_value): Ditto.
15216 (emit_move_sequence): Ditto.
15217 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15218 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15219 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15220 (MULTILIB_EXCEPTIONS): Ditto.
15221 * config/m68k/m68k.opt: Add mcfv4e.
15222 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15223 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15224 (m68k_output_function_prologue): Save ColdFire FPU registers.
15225 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15226 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15227 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15228 ColdFire FPU registers.
15229 (m68k_libcall_value, m68k_function_value): New functions.
15230 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15231 (LIBCALL_VALUE): Use m68k_libcall_value.
15232 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15233 (MASK_COLDFIRE): Add MASK_CFV4E.
15234 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15235 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15236 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15237 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15238 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15239 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15240 * doc/invoke.tex: Document -mcfv4e on m68k.
15242 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15244 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15247 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15250 * c-opts.c (c_common_handle_option): Don't include
15251 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15252 * doc/invoke.texi (C++ Dialect Options): Document that
15253 -Wnon-virtual-dtor is no longer included in -Wall.
15255 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15257 * gcov.c (print_version), gcov-dump.c (print_version),
15258 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15261 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15263 * df-scan.c (problem_SCAN): Added NULL reset function.
15264 (df_scan_reset_blocks): Added code to call reset block function
15265 (df_bb_refs_delete) Fixed comment.
15266 (df_insn_refs_delete): Made tolerant of deleting non existent info
15267 for dataflow problems that need to be reset.
15268 * df-core.c (df_set_blocks): Ditto.
15269 * df.h (struct df_problem): Added reset_fun.
15270 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15271 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15272 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15273 functions to clear out all references to def-use or use-def chains.
15275 2006-01-21 Ben Elliston <bje@au.ibm.com>
15277 * varasm.c (assemble_real): Initialise data array.
15279 2006-01-20 Paul Brook <paul@codesourcery.com>
15281 Merge from csl-arm-branch.
15282 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15283 * config/arm/arm.md (movdi): Force operands[1] to a register
15284 if we have a non-register source.
15285 (*arm_movdi, *movdf_soft_insn): Require that one of the
15286 operands be a register.
15287 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15288 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15290 2006-01-20 DJ Delorie <dj@redhat.com>
15292 * varasm.c (initializer_constant_valid_p): Allow pointers
15293 initialized from integer constants of lesser precision.
15294 (output_constant): Allow non-int-sized pointer modes to be
15295 initialized from integer constants.
15297 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15300 * cppdefault.h (struct default_include): Add multilib flag.
15301 * cppdefault.c (cpp_include_defaults): Set it.
15302 * c.opt (-imultilib): New option.
15303 * c-opts.c (imultilib): New.
15304 (c_common_handle_option): Handle -imultilib.
15305 (c_common_post_options): Likewise.
15306 * c-incpath.c (add_standard_paths, register_include_chains):
15308 * c-incpath.h (register_include_chains): Add extra parameter.
15309 * gcc.c (do_spec_1): Generate -imultilib option.
15310 (The Specs Language): Update %I description.
15311 (process_command): Update copyright notice.
15312 * doc/cppopts.texi (-imultilib): Document.
15313 * doc/invoke.texi (-imultilib): Include in option summary.
15314 (%I): Update specs documentation.
15316 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15318 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15320 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15322 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15325 2006-01-20 Richard Guenther <rguenther@suse.de>
15326 Steven Bosscher <stevenb.gcc@gmail.com>
15328 PR rtl-optimization/24626
15329 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15330 EDGE_TRUE_VALUE if in RTL mode.
15333 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15334 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15336 2006-01-20 Dirk Mueller <dmueller@suse.com>
15339 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15340 instead of a special NOP marker.
15341 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15342 NOP marker handling.
15343 * c-common.h (empty_body_warning): Add forward declaration.
15344 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15345 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15347 2006-01-20 Paul Brook <paul@codesourcery.com>
15349 * Makefile.in (lang_checks): Keep going if mkdir fails.
15351 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15353 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15354 be able to clean out basic block when not necessary.
15355 (df_scan_free): Fixed to properly delete information if df is
15356 unused before calling df_finish.
15357 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15358 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15360 (df_bb_refs_delete): New function.
15361 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15362 * df-core.c (df_set_blocks): Added code to properly clean out
15363 unused blocks if they are not part of the blocks to consider.
15364 Added additional null check.
15365 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15366 be able to clean out basic block when not necessary
15367 * df.h (df_free_bb_function): Ditto.
15368 (df_bb_refs_delete): New function.
15369 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15370 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15371 basic block parameter to be able to clean out basic block when not
15373 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15374 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15375 Fixed to properly delete information if df is unused before
15378 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15380 PR rtl-optimization/25799
15381 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15382 Corrected confluence operator to remove bits from op2 before oring
15383 with op1 rather than removing bits from op1.
15384 (df_ru_transfer_function): Corrected test on wrong bitmap which
15385 caused infinite loop. Both of these problems were introduced in
15386 the dataflow rewrite.
15388 2006-01-19 DJ Delorie <dj@redhat.com>
15390 * reload1.c (find_reload_regs): Note the details of reload
15391 failures in the dump file.
15392 (spill_failure): Likewise.
15394 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15396 * loop-iv.c: Include df.h and hashtab.h.
15397 (enum iv_grd_result): New enum.
15398 (DF_REF_IV, DF_REF_IV_SET): New macros.
15399 (struct biv_entry): New.
15400 (df, bivs): New global variables.
15401 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15402 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15404 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15405 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15406 analyzed_for_bivness_p, record_biv): New functions.
15407 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15408 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15409 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15411 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15413 (iv_number_of_iterations): Use new interface to iv analysis.
15414 * loop-unroll.c: Do not include varray.h.
15415 (analyze_iv_to_split_insn): Use new interface to iv
15417 * loop-unswitch.c (may_unswitch_on): Ditto.
15418 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15420 (df_bb_modify): Realloc tables to the new index.
15421 (df_find_use): New function.
15422 * df.h (df_find_use): Declare.
15423 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15425 * cfgloop.h (struct rtx_iv): Remove analysed field.
15426 (iv_get_reaching_def): Removed.
15427 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15428 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15429 (loop-iv.o): Add df.h and hashtab.h dependency.
15430 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15432 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15435 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15437 (__floatundisf, __floatundidf): Likewise.
15438 * libgcc2.h (IS_IBM_EXTENDED): Define.
15440 2006-01-19 DJ Delorie <dj@redhat.com>
15442 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15444 2006-01-19 Paul Brook <paul@codesourcery.com>
15446 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15447 as nothrow when unwinding tables are disabled.
15449 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15452 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15453 of bit-field" when in system header.
15455 2006-01-19 DJ Delorie <dj@redhat.com>
15457 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15458 the 16 bit shift limit of the m16c.
15460 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15463 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15464 * config/i386/i386.c (output_set_got): Output the label if we have one
15465 for the TARGET_DEEP_BRANCH_PREDICTION case.
15467 2006-01-19 Jan Hubicka <jh@suse.cz>
15468 H.J. Lu <hongjiu.lu@intel.com>
15469 Evandro Menezes <evandro.menezes@amd.com>
15471 * invoke.texi (generic): Document
15473 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15474 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15475 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15476 (x86_use_incdec, x86_pad_returns): New variables
15477 (TARGET_CPU_DEFAULT_generic): New constant
15478 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15479 (enum processor_type): Add generic32 and generic64.
15480 * i386.md (cpu attribute): Add generic32/generic64
15481 (movhi splitter): Behave sanely when both partial_reg_dependency and
15482 partial_reg_stall are set.
15483 (K8 splitters): Enable for generic as well.
15484 * predicates.md (incdec_operand): Use TARGET_INCDEC
15485 (aligned_operand): Avoid memory mismatch stalls.
15486 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15487 * ppro.md: Enable for generic32
15488 * i386.c (generic64_cost, generic32_cost): New.
15489 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15490 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15491 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15492 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15493 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15494 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15495 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15496 x86_accumulate_outgoing_args, x86_prologue_using_move,
15497 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15498 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15499 Enable for generic.
15500 (x86_use_incdec, x86_pad_returns): New.
15501 (override_options): Add generic32 and generic64, translate "generic"
15502 to generic32/generic64 and "i686" to "generic32", refuse
15503 "generic32"/"generic64" as arch target.
15504 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15505 (ix86_reorg): Honor PAD_RETURNS.
15507 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15509 * tree-pretty-print.c (dump_generic_node): Handle
15510 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15511 * cgraph.c (cgraph_expand_queue): Rename from
15512 cgraph_analyze_queue. Update all users.
15513 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15514 cgraph_expand_queue.
15515 (cgraph_expand_all_functions): Likewise.
15516 (cgraph_finalize_pending_functions): Remove. Update callers.
15518 * tree.h (OMP_DIRECTIVE_P): Define.
15519 (OMP_PARALLEL_FN): Define.
15520 (OMP_PARALLEL_DATA_ARG): Define.
15521 (OMP_SECTIONS_SECTIONS): Define.
15522 * tree-pass.h (pass_expand_omp): Declare.
15523 * omp-low.c (struct omp_region): Declare.
15524 (struct omp_context): Remove fields 'parallel_type',
15525 'parallel_start_ix' and 'parallel_start_additional_args'.
15527 (struct omp_for_data): Rename from struct expand_omp_for_data.
15528 (omp_regions): New static variable.
15529 (root_omp_region): New static variable.
15530 (find_omp_clause): Make static.
15531 (is_in_combined_parallel_ctx): Remove.
15532 (is_combined_parallel): New.
15533 (extract_omp_for_data): Move earlier in the file.
15534 (workshare_safe_to_combine_p): New.
15535 (get_ws_args_for): New.
15536 (determine_parallel_type): Move earlier in the file.
15537 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15539 (omp_copy_decl): Likewise.
15540 (create_omp_child_function): Likewise.
15541 (lookup_omp_region): New.
15542 (dump_omp_region): New.
15543 (debug_omp_region): New.
15544 (debug_all_omp_regions): New.
15545 (new_omp_region): New.
15546 (scan_omp_parallel): If parallel_nesting_level > 1, the
15547 directive is nested within another parallel directive.
15548 Set OMP_PARALLEL_FN.
15549 (scan_omp_for): Do not try to handle combined parallel+for
15551 Remove FIXME comment.
15552 (scan_omp_nested): Remove.
15553 (scan_omp_1): Do not call scan_omp_nested when
15554 parallel_nesting_level is > 1.
15555 Do not change the DECL_CONTEXT of local variables found.
15556 (lookup_decl_in_outer_ctx): New.
15557 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15558 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15559 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15560 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15561 If CTX is nested, lookup VAR in the outer context when
15562 building copy assignment.
15563 (lower_send_clauses): Rename from expand_send_clauses.
15564 If CTX is nested, lookup VAR in the outer context when
15565 building copy assignments.
15566 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15567 If CTX is nested, lookup VAR in the outer context when
15568 building copy assignments.
15569 (expand_parallel_call): Rename from build_parallel_call.
15570 Handle combined parallel+workshare cases.
15571 Re-implement to emit code into the CFG.
15573 (expand_omp_parallel): Re-implement to emit code into the CFG.
15574 Call move_sese_region_to_fn to outline the sub-graph
15575 containing the parallel region.
15576 (expand_omp_for_1): Remove.
15577 (expand_omp_for_generic): Re-implement to emit code into the
15579 (expand_omp_for_static_nochunk): Likewise.
15580 (expand_omp_for_static_chunk): Likewise.
15581 (expand_omp_for): Likewise.
15582 (expand_omp_sections): Likewise.
15583 (remove_exit_barriers): New.
15584 (expand_omp_synch): New.
15586 (build_omp_regions_1): New.
15587 (build_omp_regions): New.
15588 (execute_expand_omp): New.
15589 (gate_expand_omp): New.
15590 (pass_expand_omp): Define.
15591 (lower_omp_sections): Rename from expand_omp_sections.
15592 Set OMP_SECTIONS_SECTIONS.
15593 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15594 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15595 (lower_omp_single): Rename from expand_omp_simple.
15596 (lower_omp_master): Rename from expand_omp_master.
15597 (lower_omp_ordered): Rename from expand_omp_ordered.
15598 (lower_omp_critical): Rename from expand_omp_critical.
15599 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15600 (lower_omp_for): Re-implement.
15601 (lower_omp_parallel): Re-implement.
15602 (lower_regimplify): Rename from expand_regimplify.
15603 (lower_omp_1): Rename from expand_omp_1.
15604 If there are syntax errors in the program, replace every
15605 OpenMP directive with NOP.
15606 Call lower_omp_* instead of expand_omp_*.
15607 (lower_omp): Rename from expand_omp.
15609 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15610 * tree-gimple.h (enum omp_parallel_type): Remove.
15611 (gimple_boolify): Declare extern.
15612 (find_omp_clause, determine_parallel_type): Remove.
15614 * gimple-low.c (lower_omp_directive): New.
15615 (lower_stmt): Call it.
15616 (record_vars_into): Move from ...
15617 (record_vars): ... here.
15618 Call record_vars_into with current_function_decl.
15620 * gimplify.c (struct gimplify_ctx): Remove fields
15621 combined_pre_p and combined_ctxp. Update users.
15622 (get_formal_tmp_var): Add documentation.
15623 (gimple_boolify): Make extern.
15624 (gimplify_expr_in_ctx): Remove. Update callers.
15625 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15626 will always be a BIND_EXPR.
15627 (gimplify_expr): Handle OMP_RETURN_EXPR.
15628 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15629 (OMP_PARALLEL): Add 3 operands.
15630 (OMP_SECTIONS): Add 1 operand.
15631 (OMP_RETURN_EXPR): Define.
15633 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15634 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15635 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15636 creating a circular free list.
15637 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15639 * tree-flow.h (move_sese_region_to_fn): Declare.
15640 (record_vars_into): Declare.
15641 * tree-cfg.c (make_omp_sections_edges): New.
15642 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15643 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15644 OMP_SECTIONS and OMP_SECTION.
15645 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15646 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15647 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15648 (gather_blocks_in_sese_region): New.
15649 (struct move_stmt_d): Declare.
15650 (move_stmt_r): New.
15651 (move_block_to_fn): New.
15652 (move_sese_region_to_fn): New.
15654 * passes.c (init_optimization_passes): Schedule
15655 pass_expand_omp after pass_init_datastructures.
15657 * tree-ssa-operands.c (get_expr_operands): Handle
15658 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15659 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15661 2006-01-19 Jeff Law <law@redhat.com>
15663 * tree-vrp.c (extract_range_from_assert): Refine the result range
15664 if the variable referenced by the ASSERT_EXPR has a range and
15665 either the tentative result range or the previous range is a
15668 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15670 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15672 2006-01-19 Jan Hubicka <jh@suse.cz>
15674 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15676 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15678 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15679 (expand_compound_operation, expand_field_assignment): Fail if the
15680 bit lengths of an extract operation are out of range.
15681 (make_extraction): Compute wanted_inner_mode based on the position
15682 and length of the extraction. Make it extraction_mode for non-constant
15683 positions, and do not modify offset in that case. When generating a
15684 new MEM, use a mode that can hold the extraction while keeping correct
15685 alignment. Remove code that supported MEMs wrapped by USEs.
15686 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15688 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15690 * config/s390/s390.md ("Y", "y"): New mode attribute.
15691 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15692 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15693 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15694 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15695 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15696 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15697 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15698 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15699 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15700 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15701 "addsi3", "subsi3"): Insn patterns removed.
15702 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15703 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15704 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15705 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15706 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15707 "*sub<mode>3_cconly2"): New insn patterns.
15708 ("addsi3", "subsi3"): New expanders.
15710 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15712 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15713 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15714 existing STMT_VINFO_VECTYPE if available.
15715 (vect_mark_relevant): Add special handling for stmts that are
15716 marked as STMT_VINFO_IN_PATTERN_P.
15717 (vect_analyze_loop): Call vect_pattern_recog.
15718 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15719 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15721 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15722 (vect_recog_func_ptr): New function-pointer type.
15723 * tree-vect-patterns.c: New file.
15724 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15725 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15726 (vect_pattern_recog_1): New functions.
15727 (vect_pattern_recog_funcs): New array of function pointers.
15729 * tree-vectorizer.h (ternary_op): New enum value.
15730 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15731 declaration. Revised documentation. Removed redundant dump prints.
15732 Removed redundant argument. Added support for reduction patterns.
15733 (vectorizable_reduction): Added support for reduction patterns.
15734 (vect_transform_stmt): Added support for patterns.
15736 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15737 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15738 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15739 (expand_widen_pattern_expr): New function.
15740 (init_optabs): Initialize new optabs udot_prod_optab,
15742 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15743 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15744 (expand_widen_pattern_expr): New function declaration.
15745 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15747 * tree-inline.c (estimate_num_insns_1): Added cases for new
15748 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15749 * tree-pretty-print.c (dump_generic_node): Likewise.
15750 (op_prio): Likewise.
15751 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15752 * tree-ssa-operands.c (get_expr_operands): Added case for
15754 * tree-vect-patterns.c (widened_name_p): New function.
15755 (vect_recog_dot_prod_pattern): Added function implementation.
15756 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15757 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15758 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15759 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15761 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15762 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15763 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15764 (init_optabs): Initialize new optabs widen_ssum_optab,
15766 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15767 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15768 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15769 use instead of type of def.
15770 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15771 function implementation.
15772 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15773 widen_ssumv8hi): New.
15775 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15778 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15781 * c-decl.c (add_flexible_array_elts_to_size): New function.
15782 (finish_decl): Use it.
15784 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15786 * diagnostic.h: Include options.h.
15787 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15788 dependancies for diagnostic.h.
15789 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15791 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15793 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15794 (ssa_ro_call_cache_valid): Ditto.
15795 * tree-ssa-alias.c (sort_tags_by_id): New function.
15796 (init_transitive_clobber_worklist): Ditto.
15797 (add_to_worklist): Ditto.
15798 (mark_aliases_call_clobbered): Ditto.
15799 (compute_tag_properties): Ditto.
15800 (set_initial_properties): Ditto.
15801 (compute_call_clobbered): Ditto.
15802 (compute_may_aliases): Call compute_call_clobbered and grouping.
15803 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15804 (compute_flow_insensitive_aliasing): Grouping now happens in our
15806 (setup_pointers_and_addressables): Remove clobbering related code.
15807 (add_may_alias): Ditto.
15808 (replace_may_alias): Ditto.
15809 (get_nmt_for): Ditto.
15810 (create_global_var):
15811 (is_escape_site): Return an escape_type enumeration.
15812 * tree-flow-inline.h (is_call_clobbered): Global var does not
15813 imply call clobbered.
15814 (mark_call_clobbered): Take a reason for marking this. Remove
15815 marking of globalness, and cache invalidation.
15816 (clear_call_clobbered): Remove cache invalidation code.
15817 * tree-dfa.c (dump_variable): If details is on, dump the reason
15819 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15821 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15822 (struct var_ann_d): Ditto.
15823 (enum escape_type): New.
15824 (mark_call_clobbered): Adjust prototype.
15825 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15826 are never call clobbered.
15827 Record reasons for escaping.
15828 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15829 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15830 (ssa_ro_call_cache_valid): Ditto.
15831 (clobbered_v_may_defs): Ditto.
15832 (clobbered_vuses): Ditto.
15833 (ro_call_vuses): Ditto.
15834 (clobber_stats): New.
15835 (init_ssa_operands): Zero out clobber stats.
15836 (fini_ssa_operands): Print out clobber stats.
15837 (get_call_expr_operands): Pass callee fndecl to
15838 add_call_read_ops).
15839 (add_call_clobber_ops): Remove use of cache.
15840 Add use of PURE_CONST information.
15841 (add_call_read_ops): Remove use of cache.
15842 Add use of static not_read information.
15844 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15846 Introduce TLS descriptors for i386 and x86_64.
15847 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15848 (TARGET_ANY_GNU_TLS): New macro.
15849 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15850 (struct machine_function): Add tls_descriptor_call_expanded_p.
15851 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15852 (ix86_current_function_calls_tls_descriptor): Likewise.
15853 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15854 (override_options): Introduce gnu2 tls dialect.
15855 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15857 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15859 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15860 (ix86_init_machine_status): Initialize new field.
15861 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15862 (ix86_tls_module_base): New.
15863 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15864 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15865 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15866 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15867 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15868 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15869 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15870 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15871 * config/i386/predicates.md (tls_modbase_operand): New.
15872 (tp_or_register_operand): New.
15874 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15876 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15877 (look_for_address_of): Ditto.
15878 (ipa_init): Walk the function decls.
15879 (static_execute): Don't set readonly on FUNCTION_DECL's.
15881 2006-01-18 Roger Sayle <roger@eyesopen.com>
15883 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15884 for shifts where the source and destination registers are different.
15886 2006-01-18 Paul Brook <paul@codesourcery.com>
15888 Merge from csl-arm-branch.
15889 2005-03-14 Julian Brown <julian@codesourcery.com>
15890 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15891 (aeabi_llsl): Likewise.
15892 (ashrdi3): Likewise.
15893 (aeabi_lasr): Likewise.
15894 (lshrdi3): Likewise.
15895 (aeabi_llsr): Likewise.
15896 2005-03-10 Julian Brown <julian@codesourcery.com>
15897 * config.gcc: Disable shared libgcc for SymbianOS.
15898 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15900 2006-01-18 DJ Delorie <dj@redhat.com>
15902 * c-pragma.c (handle_pragma_diagnostic): New.
15903 (init_pragma): Register it.
15904 * doc/extend.texi: Document it.
15906 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15907 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15908 (diagnostic_context): Add classify_diagnostic[].
15909 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15910 as errors if they're overridden to DK_WARNING.
15911 (diagnostic_initialize): Initialize classify_diagnostic[].
15912 (diagnostic_set_kind_override): New.
15913 (diagnostic_report_diagnostic): Check for kind changes.
15914 * opts.c (common_handle_option): Take lang_mask. Update callers.
15915 Handle OPT_Werror_.
15916 * common.opt (Werror=): New.
15917 * doc/invoke.texi: Document -Werror=*
15919 2006-01-18 Jeff Law <law@redhat.com>
15921 * tree-vrp.c (test_for_singularity): Correct test for new
15922 min limit. Use operand_equal_p rather than pointer equality
15923 for testing if new min/max values are equal.
15925 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15926 using range information until after propagation and folding.
15928 2006-01-18 Richard Henderson <rth@redhat.com>
15929 Aldy Hernandez <aldyh@redhat.com>
15930 Jakub Jelinek <jakub@redhat.com>
15931 Diego Novillo <dnovillo@redhat.com>
15933 * omp-low.c: New file.
15934 * c-omp.c: New file.
15936 2006-01-18 Richard Henderson <rth@redhat.com>
15937 Jakub Jelinek <jakub@redhat.com>
15938 Diego Novillo <dnovillo@redhat.com>
15940 * doc/invoke.texi: Document -fopenmp.
15941 * tree-dump.h (debug_function): Declare.
15942 * hooks.c (hook_bool_tree_bool_false): New function.
15943 (hook_tree_tree_null): Remove.
15944 (hook_tree_tree_tree_null): New.
15945 * hooks.h: Update to match.
15946 * tree-pretty-print.c (debug_tree_chain): New.
15947 (print_generic_expr): Handle TDF_CHAIN.
15948 (dump_generic_node): Handle BLOCK.
15949 Do not abort with incomplete SWITCH_EXPRs.
15950 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15951 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15952 print space after directive name.
15953 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15954 Handle OMP_MASTER and OMP_ORDERED.
15955 Handle printing of OMP_BODY just in one place, goto
15956 dump_omp_body in the rest of OMP_* nodes that have
15958 Don't handle clause nodes here. Update omp statements to
15959 use dump_omp_clauses.
15960 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15961 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15962 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15963 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15964 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15965 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15966 Adjust output for GOMP_PARALLEL.
15967 (dump_omp_clauses): New.
15968 (print_declaration): Dump DECL_VALUE_EXPR.
15969 (op_symbol_1): Split out of op_symbol.
15970 (dumping_stmts): Remove. Update all users.
15971 * cgraph.c (cgraph_analyze_queue): New.
15972 (cgraph_add_new_function): New.
15973 * cgraph.h (cgraph_analyze_queue): Declare.
15974 (cgraph_add_new_function): Declare.
15975 (cgraph_lower_function): Remove.
15976 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15977 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15978 and TYPE_P nodes in its default clause.
15979 (empty_body_p): New.
15980 (tree_range_check_failed): New.
15981 (build5_stat): New.
15982 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15983 OMP_CLAUSE_REDUCTION_MERGE,
15984 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15985 OMP_CLAUSE_PRIVATE_DEBUG,
15986 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15987 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15988 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15989 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15990 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15991 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15992 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15993 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15994 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15995 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15996 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15997 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15998 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15999 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
16000 (TREE_RANGE_CHECK): New.
16001 (empty_body_p): Declare.
16002 (enum omp_clause_default_kind): New.
16003 (build_string_literal): Declare.
16004 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
16005 (build5_stat, build5): Declare.
16006 * tree-pass.h (TDF_CHAIN): Define.
16007 * tree-pass.h (PROP_gimple_lomp): Define.
16008 (pass_lower_omp): Declare.
16009 * diagnostic.h (debug_tree_chain): Declare.
16010 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
16012 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
16013 * builtins.c (build_string_literal): Make extern.
16014 * gcc.c (include_spec_function): New.
16015 (static_spec_functions): Add it.
16016 (main): Move load of libgomp.spec ...
16017 (LINK_COMMAND_SPEC): ... here.
16018 (link_gomp_spec): New.
16019 (static_specs): Include it.
16020 (LINK_COMMAND_SPEC): Add link_gomp.
16021 (GOMP_SELF_SPECS): New.
16022 (driver_self_specs): Include it.
16023 (switch_matches): Don't mark inline.
16024 (main): Load libgomp.spec.
16025 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
16026 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16027 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16028 * tree-gimple.h (enum omp_parallel): Declare.
16029 (determine_parallel_type): Declare.
16030 (omp_firstprivatize_variable): Declare.
16031 (omp_reduction_init): Declare.
16032 (diagnose_omp_structured_block_errors): Declare.
16033 (struct walk_stmt_info): Add want_return_expr.
16034 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16035 (find_omp_clause): Declare.
16036 (insert_field_into_struct): Declare.
16037 (struct walk_stmt_info): Move from tree-nested.c
16038 (walk_stmts): Declare.
16039 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16041 * cgraphunit.c (cgraph_lower_function): Make static.
16042 (cgraph_finalize_pending_functions): New.
16043 (cgraph_finalize_function): Call it.
16044 (cgraph_finalize_compilation_unit): Likewise.
16045 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16046 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16047 (BT_FN_UINT_UINT): New.
16048 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16049 DEF_FUNCTION_TYPE_VAR_4): Document.
16050 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16051 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16052 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16053 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16054 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16055 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16056 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16057 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16058 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16059 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16060 into separate files.
16061 (DEF_GOMP_BUILTIN): New.
16062 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16063 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16064 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16065 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16066 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16067 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16068 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16069 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16070 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16071 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16072 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16073 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16074 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16075 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16076 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16077 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16078 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16079 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16080 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16081 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16082 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16083 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16084 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16085 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16086 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16087 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16088 * sync-builtins.def: New file, moved from builtins.def.
16089 * omp-builtins.def: New file, moved from builtins.def.
16090 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16091 * gimple-low.c (lower_function_body): Clear data.
16092 (lower_stmt): Do not handle COMPOUND_EXPR.
16093 Remove call to print_node_brief.
16094 * c-tree.h (c_finish_omp_clauses): New prototype.
16095 (C_DECL_THREADPRIVATE_P): Define.
16096 (lookup_name_no_remap, c_omp_remap_private): Remove
16097 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16098 (check_for_loop_decls): Update decl.
16099 (lookup_name_no_remap, c_omp_remap_private): Declare.
16100 (build_indirect_ref, build_modify_expr, pushdecl,
16101 pushdecl_top_level): Move to c-common.h.
16102 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16103 before the switch, but just in the 2 places that need it.
16104 * c-decl.c (diagnose_mismatched_decls): Do not check for
16105 mismatched thread-local attributes when OLDDECL is marked
16106 threadprivate and NEWDECL has no thread-local attributes.
16107 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16108 (c_gimple_diagnostics_recursively): Rename from
16109 c_warn_unused_result_recursively. Invoke
16110 diagnose_omp_structured_block_errors.
16111 (check_for_loop_decls): Return a singular decl found.
16112 * langhooks.c (lhd_omp_predetermined_sharing): Return
16113 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16114 (lhd_omp_firstprivatize_type_sizes): New.
16115 (lhd_omp_assignment): New.
16116 (lhd_omp_predetermined_sharing): New.
16117 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16118 (struct lang_hooks_for_types): Add
16119 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16120 omp_predetermined_sharing, omp_disregard_value_expr,
16121 omp_private_debug_clause, omp_clause_default_ctor,
16122 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16123 (c_finish_omp_clauses): New.
16124 (c_finish_bc_stmt): Diagnose break within omp for.
16125 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16126 (build_unary_op): Return error_mark after reporting
16128 (build_modify_expr): Likewise.
16129 * gimplify.c: Include optabs.h and pointer-set.h.
16130 (enum gimplify_omp_var_data): Declare.
16131 (struct gimplify_omp_ctx): Declare.
16132 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16134 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16135 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16136 (splay_tree_compare_decl_uid): New.
16137 (new_omp_context): New.
16138 (delete_omp_context): New.
16139 (gimple_add_tmp_var): Call omp_add_variable.
16140 (gimplify_bind_expr): Likewise.
16141 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16142 true, disregard DECL_VALUE_EXPR on the decl if any.
16143 (gimplify_expr_in_ctx): New.
16144 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16145 omp_add_variable, omp_notice_variable, omp_is_private
16146 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16147 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16148 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16149 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16150 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16151 gimplify_omp_atomic): New.
16152 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16153 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16154 OMP_CRITICAL and OMP_ATOMIC.
16155 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16156 * c-pragma.h (enum pragma_kind): Add
16157 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16158 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16159 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16160 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16161 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16162 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16163 PRAGMA_OMP_THREADPRIVATE.
16164 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16165 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16166 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16167 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16168 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16169 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16170 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16171 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16172 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16173 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16174 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16175 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16176 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16178 (struct nesting_info): Add field_map,
16179 suppress_expansion, debug_var_chain.
16180 (create_nesting_tree): Initialize them.
16181 (lookup_field_for_decl): Use field_map.
16182 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16183 (convert_local_omp_clauses): New.
16184 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16185 (walk_body): Split out of walk_function.
16186 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16187 (convert_nonlocal_reference): Handle omp statements.
16188 (convert_local_reference): Likewise.
16189 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16190 (unnest_nesting_tree): New.
16191 (lower_nested_functions): Call it.
16192 (insert_field_into_struct): Make extern.
16193 (struct walk_stmt_info): Move to tree-gimple.h.
16194 (walk_stmts): Make extern.
16195 * omp-builtins.def: New file.
16196 * tree-iterator.c (expr_only): Clarify comment.
16197 * c-common.h (pushdecl_top_level, pushdecl,
16198 build_modify_expr, build_indirect_ref,
16199 c_finish_omp_master, c_finish_omp_critical,
16200 c_finish_omp_ordered, c_finish_omp_barrier,
16201 c_finish_omp_atomic, c_finish_omp_flush,
16202 c_finish_omp_for, c_split_parallel_clauses,
16203 omp_clause_default_kind, c_omp_sharing_predetermined,
16204 c_omp_remap_decl): Declare.
16205 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16206 (OBJS-common): Add omp-low.o.
16207 (c-omp.o, omp-low.o): Add.
16208 (gimplify.o): Add dependency on $(OPTABS_H).
16209 (GTFILES): Add omp-low.c.
16210 (gt-stringpool.h): Add.
16211 * tree-cfg.c (set_bb_for_stmt): Do not update the
16212 block-to-labels map if we are currently expanding to RTL.
16213 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16215 Handle IDENTIFIER_NODE.
16216 (tree_verify_flow_info): Do not ICE when emitting error
16217 messages about invalid labels.
16218 (dump_function_to_file): Reset CFUN before emitting the body
16220 (debug_function): New.
16221 * passes.c (init_optimization_passes): Schedule
16223 * langhooks-def.h (lhd_omp_predetermined_sharing,
16224 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16226 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16227 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16228 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16229 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16230 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16231 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16232 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16233 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16234 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16235 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16236 (LANG_HOOK_DECLS): Use them.
16238 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16239 Richard Henderson <rth@redhat.com>
16240 Jakub Jelinek <jakub@redhat.com>
16241 Diego Novillo <dnovillo@redhat.com>
16243 * c-parser.c (pragma_omp_clause): Define.
16244 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16245 (c_parser_compound_statement): Likewise.
16246 (c_parser_statement): Likewise.
16247 (c_parser_pragma): Handle omp pragmas.
16248 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16249 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16250 (c_parser_omp_clause_name, check_no_duplicate_clause,
16251 c_parser_omp_variable_list,
16252 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16253 c_parser_omp_clause_copyprivate,
16254 c_parser_omp_clause_default,
16255 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16256 c_parser_omp_clause_lastprivate,
16257 c_parser_omp_clause_nowait,
16258 c_parser_omp_clause_num_threads,
16259 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16260 c_parser_omp_clause_reduction,
16261 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16262 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16263 c_parser_omp_atomic, c_parser_omp_barrier,
16264 c_parser_omp_critical, c_parser_omp_flush,
16265 c_parser_omp_for_loop, c_parser_omp_for,
16266 c_parser_omp_master, c_parser_omp_ordered,
16267 c_parser_omp_sections_scope, c_parser_omp_sections,
16268 c_parser_omp_parallel, c_parser_omp_single,
16269 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16270 * c-pragma.c (init_pragma): Do omp pragma registration here.
16271 * c.opt (fopenmp): New flag.
16273 2006-01-18 Eric Christopher <echristo@apple.com>
16275 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16276 * config/darwin.h (GOMP_SELF_SPECS): Define.
16278 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16280 * rtl.h: Remove the prototype for reg_alloc.
16282 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16285 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16286 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16287 sjlj and dwarf2 exception handling.
16288 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16289 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16290 * pa/pa.c (function_value): Treat complex and vector types as
16292 (function_arg): Likewise. Only pass scalar floats in the floating
16293 point argument registers.
16294 * pa/t-slibgcc-dwarf-ver: New file.
16295 * pa/t-slibgcc-sjlj-ver: New file.
16296 * pa/t-slibgcc-elf-ver: Delete file.
16298 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16300 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16301 unlikely_test_section_p test.
16303 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16305 * mode-switching.c (optimize_mode_switching): Make it static.
16306 * basic-block.h: Remove the prototype for
16307 optimize_mode_switching.
16309 * modulo-sched.c (sms_schedule): Make it static.
16310 * rtl.h: Remove the prototype for sms_schedule.
16312 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16313 * rtl.h: Remove the prototype for gcse_after_reload_main.
16315 * reg-stack.c (reg_to_stack): Make it static.
16316 * rtl.h: Remove the prototype for reg_to_stack.
16318 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16320 * rtl.h: Remove the prototypes for regrename_optimize and
16321 copyprop_hardreg_forward.
16323 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16325 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16326 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16327 Test against the appropriate null constant for the mode.
16328 If 'fixup_overlap' is true, swap the operands if they overlap.
16329 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16330 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16331 alpha_split_tmode_pair and adjust for above change.
16332 * config/alpha/alpha.md (movtf_internal): Adjust call to
16333 alpha_split_tfmode_pair and rely on it to swap the operands.
16334 (movti_internal): New insn and post-reload splitter.
16335 (movti): New expander.
16337 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16339 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16342 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16344 * rtlanal.c (global_reg_mentioned_p_1,
16345 global_reg_mentioned_p): Remove.
16346 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16348 * flow.c (initialize_uninitialized_subregs): Make it static.
16349 * rtl.h: Remove the prototype for
16350 initialize_uninitialized_subregs.
16352 * function.c (instantiate_virtual_regs): Make it static.
16353 * function.h: Remove the prototype for
16354 instantiate_virtual_regs.
16356 * regmove.c (regmove_optimize, combine_stack_adjustments):
16358 * rtl.h: Remove the prototypes for regmove_optimize and
16359 combine_stack_adjustments.
16361 2006-01-17 Roger Sayle <roger@eyesopen.com>
16363 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16364 (size_cost): Encode costs in bytes so that a reg-reg addition is
16365 equivalent to COSTS_N_INSNS(1).
16366 (override_options): Use the size_cost.branch_cost as the default
16367 ix86_branch_cost when optimizing for size.
16369 2006-01-18 Ben Elliston <bje@au.ibm.com>
16371 * Makefile.in (D32PBIT_FUNCS): New.
16372 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16373 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16374 D64PBIT_FUNCS and D128PBIT_FUNCS.
16375 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16376 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16378 (decnumber_dep): Define.
16379 * doc/libgcc.texi (Decimal float library routines): New node.
16380 * config/dfp-bit.h, config/dfp-bit.c: New files.
16382 2006-01-18 Ben Elliston <bje@au.ibm.com>
16384 * expr.c (emit_move_change_mode): Always adjust addresses, not
16385 just during reload. Copy replacements only during reload.
16386 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16387 emit_move_via_integer.
16389 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16391 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16392 instead of $(srcdir) and ${srcdir}.
16394 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16397 PR middle-end/11135
16398 * arm.h (struct machine_function): Add pic_reg.
16399 * arm.c (arm_pic_register): Make unsigned.
16400 (arm_override_options): Only set arm_pic_register if
16401 TARGET_SINGLE_PIC_BASE.
16402 (use_return_insn): Only test for a pic register if it is fixed.
16403 (arm_compute_save_reg0_reg12_mask): Likewise.
16404 (thumb_compute_save_reg_mask): Likewise.
16405 (legitimate_pic_operand): Factor out some known invariants.
16406 (legitimize_pic_address): If we don't have a fixed pic register,
16407 then set up a pseudo in the function entry sequence. Handle the
16408 pic base being in a pseudo.
16409 (arm_load_pic_register): Handle the pic register being in a pseudo.
16410 (arm_expand_prologue): Only set up the pic register if it is fixed.
16411 (thumb_expand_prologue): Likewise.
16412 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16413 (pic_load_addr_based_insn): Likewise.
16414 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16417 2006-01-18 Ben Elliston <bje@au.ibm.com>
16419 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16420 decimal float modes for all floating point registers.
16422 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16423 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16425 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16428 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16429 even when the pointer is not NULL.
16431 2006-01-16 Ian Lance Taylor <ian@airs.com>
16433 * common.opt (ftoplevel-reorder): New option.
16434 * cgraph.c (cgraph_asm_nodes): New global variable.
16435 (cgraph_asm_last_node): New static variable.
16436 (cgraph_order): New global variable.
16437 (cgraph_create_node): Set new order field.
16438 (cgraph_varpool_node): Likewise.
16439 (decide_is_variable_needed): Return true if not
16440 flag_toplevel_reorder.
16441 (cgraph_add_asm_node): New function.
16442 * cgraph.h (struct cgraph_node): Add order field.
16443 (struct cgraph_varpool_node): Add order field.
16444 (struct cgraph_asm_node): Define.
16445 (cgraph_asm_nodes, cgraph_order): Declare.
16446 (cgraph_add_asm_node): Declare.
16447 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16449 (cgraph_varpool_assemble_pending_decls): Call it.
16450 (cgraph_output_pending_asms): New static function.
16451 (cgraph_finalize_compilation_unit): Call it.
16452 (struct cgraph_order_sort): Define.
16453 (cgraph_output_in_order): New static function.
16454 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16455 !flag_toplevel_reorder case.
16456 * c-parser.c: Include "cgraph.h".
16457 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16459 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16460 than -fno-unit-at-a-time.
16461 * doc/invoke.texi (Option Summary): Mention
16462 -fno-toplevel-reorder.
16463 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16464 -funit-at-a-time documentation.
16466 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16467 Kazu Hirata <kazu@codesourcery.com>
16469 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16471 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16473 * Makefile.in (FUNCTION_H): New. Use it instead of
16474 function.h throughout the file.
16475 * function.h: Include tree.h.
16477 2006-01-17 Ben Elliston <bje@au.ibm.com>
16479 * recog.c: Separate some functions with whitespace.
16481 2006-01-16 Richard Henderson <rth@redhat.com>
16483 Merge from gomp branch:
16484 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16485 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16486 and rename from struct inline_data. Rename callee* to dst*;
16487 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16488 transform_new_cfg, transform_return_to_modify, and
16489 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16491 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16492 (copy_decl_for_dup): Remove.
16493 * tree-inline.c (struct inline_data): Move to header.
16494 (insert_decl_map): Export.
16495 (remap_decl): Update for member name changes. Use copy_decl hook.
16496 Allow for replacement to be a non-decl. Remove dead code.
16497 (remap_type_1): Check for existing mapping.
16498 (remap_type): Export.
16499 (remap_decls): Update for member name changes.
16500 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16501 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16502 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16503 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16504 (tree_function_versioning, build_duplicate_type): Likewise.
16505 (copy_body_r): Likewise. Export.
16506 (copy_decl_for_dup): Split into ...
16507 (copy_decl_for_dup_finish, copy_decl_to_var,
16508 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16509 (replace_ref_tree, inlining_p): Remove.
16511 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16513 * ifcvt.c (if_convert): Make it static.
16514 * rtl.h: Remove the prototype for if_convert.
16516 * local-alloc.c (local_alloc): Make it static.
16517 * rtl.h: Remove the prototype for local_alloc.
16519 * loop.c (loop_optimize): Make it static.
16520 * cfgloop.h: Remove the prototype for loop_optimize.
16523 2006-01-16 DJ Delorie <dj@redhat.com>
16525 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16528 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16530 * pa.md: Disparage copies between general and floating-point registers
16531 in 32-bit move patterns.
16533 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16536 * Makefile.in (check-%): Depend on site.exp instead of
16537 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16540 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16542 * global.c (global_alloc): Make it static.
16543 * rtl.h: Remove the prototype for global_alloc.
16545 2006-01-16 Richard Guenther <rguenther@suse.de>
16547 * tree-ssa-alias.c (struct used_part): Add write_only field.
16548 (get_or_create_used_part_for): Initialize it to true.
16549 (create_overlap_variables_for): Don't create structure variables
16550 for structures that only are written to.
16551 (find_used_portions): Handle MODIFY_EXPR to track whether a
16552 structure is only written to.
16554 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16556 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16558 * basic-block.h: Remove the prototype for
16559 partition_hot_cold_basic_blocks.
16561 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16563 * cppspec.c (lang_specific_spec_functions): Remove.
16564 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16565 * gcc.h (lang_specific_spec_functions): Remove.
16566 * gccspec.c (lang_specific_spec_functions): Remove.
16568 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16570 * combine.c (record_value_for_reg): Invalidate registers
16572 (record_dead_and_set_regs_1): Likewise, by passing them to
16573 record_value_for_reg.
16574 (record_dead_and_set_regs): Invalidate stores made by a
16575 call. We do not combine across a call, but we still
16576 relied on equivalences.
16578 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16580 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16581 vrp_int_const_binop returning non-constant nodes.
16583 2006-01-16 Paul Brook <paul@codesourcery.com>
16585 * config/m68k/m68k.c (output_move_const_into_data_reg):
16586 Output correct mnemonic for mvz and mvs.
16588 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16590 * rtl-factoring.c: Add sequence abstraction algorithm.
16591 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16592 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16594 (block_has_preserve_label): New function.
16595 * common.opt: Register new pass.
16596 * Makefile.in: Ditto.
16598 * timevar.def: Ditto.
16599 * tree-pass.h: Ditto.
16600 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16601 * rtl.h (make_jump_insn_raw): Add forward decl.
16602 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16604 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16605 Roger Sayle <roger@eyesopen.com>
16607 * fold-const.c (fold_minmax): New static function.
16608 (fold_binary) <MIN_EXPR>: Call it.
16609 <MAX_EXPR>: Likewise.
16610 * stor-layout.c (place_field): Use DECL_SIZE consistently
16611 in the computation of the new record size.
16613 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16615 * cse.c (cse_condition_code_reg): Make it static.
16616 * rtl.h: Remove the prototype for cse_condition_code_reg.
16618 * combine.c (combine_instructions): Make it static.
16619 * rtl.h: Remove the prototype for combine_instructions.
16621 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16624 * tree.c (get_file_function_name_long): Concatenate the first global
16625 object name with a string derived from the input filename of the object
16628 2006-01-16 Ben Elliston <bje@au.ibm.com>
16630 * config/i386/winnt-stubs.c: Update FSF address.
16631 * config/xtensa/ieee754-df.S: Ditto.
16632 * config/xtensa/ieee754-sf.S: Ditto.
16634 2006-01-14 Ian Lance Taylor <ian@airs.com>
16636 * ifcvt.c (noce_init_if_info): New static function, broken out of
16637 noce_process_if_block.
16638 (noce_process_if_block): Call noce_init_if_info.
16639 (check_cond_move_block): New static function.
16640 (cond_move_process_if_block): New static function.
16641 (process_if_block): Call cond_move_process_if_block.
16643 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16645 * cselib.c (hash_table): Rename to cselib_hash_table.
16646 (cselib_clear_table, discard_useless_values,
16647 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16648 cselib_init, cselib_finish): Adjust uses of hash_table.
16650 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16652 PR tree-optimization/25485
16653 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16654 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16655 is known to be false and true, respectively.
16657 2006-01-14 Richard Guenther <rguenther@suse.de>
16659 PR tree-optimization/22548
16660 PR tree-optimization/22555
16661 PR tree-optimization/22501
16662 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16663 * params.def (salias-max-array-elements): New parameter.
16664 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16665 * doc/invoke.texi (salias-max-array-elements): Document.
16666 * tree-flow-inline.h (var_can_have_subvars): We also handle
16668 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16670 * tree-ssa-structalias.c (params.h): Include.
16671 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16672 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16673 (get_constraint_for): For ADDR_EXPR operating on something
16674 containing an ARRAY_REF, add all subvars to the solution.
16675 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16676 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16677 for creating MUST_DEFs.
16678 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16680 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16682 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16684 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16685 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16686 number_of_iterations_le): New functions.
16687 (number_of_iterations_special): Removed.
16688 (number_of_iterations_exit): Do not use number_of_iterations_special.
16689 * tree.c (unsigned_type_for): Always return integer type.
16691 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16692 Richard Guenther <rguenther@suse.de>
16694 PR rtl-optimization/24257
16695 * gcse.c (find_moveable_store): Only consider a store movable
16696 when the SET_SRC of the insn can be assigned to a register.
16698 2006-01-14 Ian Lance Taylor <ian@airs.com>
16700 * tree.c (tree_not_class_check_failed): New function.
16701 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16702 (tree_not_class_check_failed): Declare.
16704 2006-01-13 Ian Lance Taylor <ian@airs.com>
16706 * reload1.c (do_output_reload): Add assertion rejecting a
16709 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16711 * combine.c (struct reg_stat): Add new fields truncation_label and
16713 (record_value_for_reg): Reset truncated_to_mode.
16714 (record_truncated_value): New function.
16715 (check_promoted_subreg): Call it. Rename to check_conversions.
16716 (combine_instructions): Rename check_promoted_subreg to
16718 (reg_truncated_to_mode): New function.
16719 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16720 (gen_lowpart_or_truncate): New function.
16721 (force_to_mode): Use it instead of gen_lowpart.
16723 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16725 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16726 VAR is a tag, not its type tag.
16728 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16730 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16731 alternatives to match style of other entries.
16732 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16734 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16736 PR tree-optimization/25771
16737 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16740 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16743 * tree-inline.c (declare_return_variable): If the return variable
16744 was marked as a non gimple complex, set the return slot variable
16745 to be a non gimple comple variable.
16747 2006-01-13 Richard Guenther <rguenther@suse.de>
16749 * builtins.c (expand_builtin_sincos): New function.
16750 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16752 (expand_builtin): Expand sincos using expand_builtin_sincos.
16754 2006-01-12 DJ Delorie <dj@redhat.com>
16756 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16757 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16758 so that constant shifts can be split.
16759 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16760 (m32c_valid_pointer_mode): Make static.
16761 (shift_gen_func_for): New.
16762 (m32c_prepare_shift): Use it. Split large const shifts into
16764 * config/m32c/predicates.md (shiftcount_operand): Allow more
16766 (longshiftcount_operand): New.
16767 * doc/md.texi (Machine Constraints): Document In6.
16769 2006-01-13 Ben Elliston <bje@au.ibm.com>
16771 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16772 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16775 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16777 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16778 to try to avoid clobbering pieces of structures when we know
16779 something about the whole structure.
16780 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16782 2006-01-13 Ben Elliston <bje@au.ibm.com>
16784 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16785 return in memory, as this is no limitation is no longer present.
16787 2006-01-12 DJ Delorie <dj@redhat.com>
16789 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16790 mova with fb, and for fb+0 -> An.
16792 * config/m32c/mov.md (peephole2): Fix enabling logic.
16794 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16795 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16796 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16797 FINI_ARRAY_SECTION_ASM_OP): Define.
16799 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16801 (m32c_legitimize_reload_address): New logic to reload FB to An.
16802 (m32c_output_reg_push): Add newline.
16803 (m32c_output_reg_pop): Likewise.
16805 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16807 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16809 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16811 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16813 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16815 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16818 2006-01-11 Ben Elliston <bje@au.ibm.com>
16820 * rtlanal.c (find_reg_note): Assert insn is not null.
16822 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16824 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16827 2006-01-11 Jeff Law <law@redhat.com>
16829 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16831 (mark_threaded_blocks, register_jump_thread): New functions.
16832 (thread_through_all_blocks): Remove unwanted argument. No
16833 longer rely on e->aux to communicate thread target info.
16834 Call mark_threaded_blocks. Release the threaded_blocks
16835 bitmap and threaded_edges vector when complete.
16836 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16837 (threaded_blocks): Remove.
16838 (tree_ssa_dominator_optimize): Remove initialization and
16839 finalization of threaded_blocks. Simplify call to
16840 thread_through_all_blocks.
16841 (thread_across_edge): Call register_jump_thread rather than
16842 storing thread information into e->aux.
16843 (free_all_edge_infos): Simplify now that e->aux is no longer
16844 used to communicate with thread_through_all_blocks.
16845 * tree-flow.h (thread_through_all_blocks): Update prototype.
16846 (register_jump_thread): Prototype.
16848 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16850 * df-core.c (df_compact_blocks, df_bb_replace): Use
16851 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16853 2006-01-11 Richard Guenther <rguenther@suse.de>
16855 PR tree-optimization/25734
16856 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16857 stop propagation after successful propagation to the LHS.
16859 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16861 * basic-block.h (control_flow_graph): Change the type of
16862 x_basic_block_info to VEC(basic_block,gc) *.
16863 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16865 (SET_BASIC_BLOCK): New.
16866 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16867 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16868 * cfgbuild.c (find_basic_blocks): Likewise.
16869 * cfglayout.c (fixup_reorder_chain): Likewise.
16870 * cfgrtl.c (create_basic_block_structure,
16871 rtl_create_basic_block): Likewise.
16872 * ifcvt.c (find_if_case_1): Likewise.
16873 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16876 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16878 * Makefile.in: Removed rotted odf.c entry.
16880 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16883 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16884 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16885 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16886 output pattern modifier, not %e.
16887 * config/cris/cris.c (cris_op_str): Update comment about pattern
16889 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16890 before falling through into...
16891 <case 'E'>: Redefined from old 'e' case.
16893 2006-01-11 Jan Hubicka <jh@suse.cz>
16896 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16898 2006-01-11 Jan Hubicka <jh@suse.cz>
16900 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16901 * i386.c (x86_decompose_lea): Kill.
16902 (ix86_rtx_costs): Kill.
16904 2006-01-11 Jan Hubicka <jh@suse.cz>
16906 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16907 * cgraph.h (cgraph_node): Add inline_decl.
16908 (cgraph_insert_node_to_hashtable): Declare.
16909 (save_inline_function_body): Declare.
16910 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16912 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16913 (cgraph_function_versioning): Update call of tree_function_versioning.
16914 (save_inline_function_body): New function.
16915 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16916 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16917 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16918 (cgraph_default_inline_p): Likewise.
16919 (cgraph_decide_inlining_incrementally): Likewise.
16920 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16921 (copy_bb): Kill saving; do updating of clones.
16922 (copy_cfg_body): Kill saving.
16923 (initialize_inlined-parameters): Likewise.
16924 (expand_call_inline): Likewise.
16926 (tree_function_versioning): New parameter "update_clones".
16927 (inlining_p): Kill saving.
16928 * tree-inline.h (tree_function_versioning): Update prototype.
16929 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16932 2006-01-11 Ian Lance Taylor <ian@airs.com>
16934 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16935 Allow undoing set of machine mode.
16936 (do_SUBST): Use enums instead of is_int.
16937 (do_SUBST_MODE): New function.
16938 (SUBST_MODE): New macro.
16939 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16940 reg and trying to replace reg_regno_rtx with a new register.
16941 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16942 (simplify_set): Use SUBST_MODE.
16943 (distribute_notes): Remove code that tried to update reg notes
16944 for regno_reg_rtx changes.
16946 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16948 PR tree-optimization/23109
16949 PR tree-optimization/23948
16950 PR tree-optimization/24123
16952 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16953 * tree-cfg.c (single_noncomplex_succ): New.
16954 * tree-flow.h (single_noncomplex_succ): Declare it.
16955 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16956 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16957 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16958 insert_bb, register_division_in, insert_reciprocals,
16959 replace_reciprocal, free_bb): New.
16960 (execute_cse_reciprocals_1): Rewritten.
16961 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16962 Do not commit any edge insertion. Always compute dominators and
16963 create the allocation pool.
16964 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16965 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16966 * targhooks.c (default_min_divistions_for_recip_mul): New.
16967 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16968 * passes.c (init_optimization_passes): Run recip after tree loop
16970 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16972 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16973 Kenneth Zadeck <zadeck@naturalbridge.com>
16975 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16976 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16977 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16978 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16979 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16980 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16981 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16982 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16983 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16984 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16985 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16986 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16987 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16988 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16989 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16990 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16991 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16992 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16993 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16994 DF_SCAN_POST_ALLOC): New macros.
16995 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16996 df_free_bb_function, df_local_compute_function, df_init_function,
16997 df_dataflow_function, df_confluence_function_0,
16998 df_confluence_function_n, df_transfer_function,
16999 df_finalizer_function, df_free_function, df_dump_problem_function,
17000 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
17001 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
17002 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
17003 df_urec_bb_info, ) New types.
17004 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
17006 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
17007 df_analyze_simple_change_some_blocks,
17008 df_analyze_simple_change_one_block, df_compact_blocks,
17009 df_bb_replace, df_bb_regno_last_use_find,
17010 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
17011 df_insn_regno_def_p, df_find_def, df_find_use,
17012 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
17013 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
17014 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
17015 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
17016 debug_df_chain, df_get_dependent_problem, df_chain_create,
17017 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
17018 df_grow_bb_info, df_chain_dump, df_print_bb_index,
17019 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
17020 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
17021 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
17022 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
17023 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
17024 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
17025 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
17026 df_ref_remove, df_insn_refs_delete, df_refs_delete,
17027 df_reorganize_refs, df_set_state, df_hard_reg_init,
17028 df_read_modify_subreg_p) New public functions.
17029 * df-core.c: The core dataflow solver and glue routines for rtl
17031 (df_init, df_add_problem, df_set_blocks, df_finish,
17032 df_hybrid_search_forward, df_hybrid_search_backward,
17033 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17034 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17035 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17036 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17037 df_reg_defined, df_find_use, df_reg_used, df_dump,
17038 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17039 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17040 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17041 debug_df_useno, reset_df_after_reload): New functions.
17042 * df-scan.c: The scanning fuctions, once in df.c, completely
17043 rewritten so that they now fully model the functionality of
17044 register usage at the backend.
17045 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17046 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17047 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17048 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17049 df_get_artificial_defs, df_get_artificial_uses,
17050 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17051 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17052 df_refs_delete, df_reorganize_refs, df_set_state,
17053 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17054 df_def_record_1, df_defs_record, df_uses_record,
17055 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17056 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17057 df_record_exit_block_uses, df_hard_reg_init): New functions.
17059 * df-problems.c: Seven concrete dataflow problems that use the
17060 scanning in df-scan.c and are solved by the engine in df-core.c.
17061 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17062 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17063 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17064 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17065 df_ru_free_bb_info, df_ru_alloc,
17066 df_ru_bb_local_compute_process_def,
17067 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17068 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17069 df_ru_transfer_function, df_ru_free, df_ru_dump,
17070 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17071 df_rd_free_bb_info, df_rd_alloc,
17072 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17073 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17074 df_rd_transfer_function, df_rd_free, df_rd_dump,
17075 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17076 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17077 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17078 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17079 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17080 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17081 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17082 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17083 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17084 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17085 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17086 df_urec_mark_reg_use_for_earlyclobber,
17087 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17088 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17089 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17090 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17091 df_chain_create_bb_process_use, df_chain_create_bb,
17092 df_chain_finalize, df_chain_free, df_chains_dump,
17093 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17094 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17095 df_reg_lifetime): New functions.
17096 * df.c: Deleted file.
17097 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17098 consistent with new df api.
17099 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17100 rest_of_handle_sms): Ditto.
17101 * web.c (unionfind_union, union_defs, entry_register, web_main):
17103 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17104 invariant_expr_equal_p, find_defs, check_dependencies,
17105 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17106 free_inv_motion_data, move_loop_invariants): Ditto.
17107 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17108 Update dependencies.
17109 (odf.c): Added defective entry that was deleted later in day.
17110 * sched-deps.c (sched_analyze_1): Ditto.
17112 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17114 * tree-ssa-operands.c (get_expr_operands): Record addressable
17115 variables directly. Do not call add_stmt_operands for CONST_DECLs
17117 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17118 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17120 2006-01-11 Ben Elliston <bje@au.ibm.com>
17122 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17123 function returns true in the positive case.
17125 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17128 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17129 for SI, DI, SF and DF modes. Add alternatives to copy between
17130 general and floating point registers to the 32-bit patterns.
17131 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17132 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17133 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17134 generating 64-bit code.
17135 * config/pa/pa.c (output_move_double): Handle copies between general
17136 and floating registers.
17138 2006-01-10 Stuart Hastings <stuart@apple.com>
17140 * config/i386/i386.md (set_got): Update.
17141 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17142 (builtin_setjmp_receiver): Mach-O support.
17143 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17144 (GOT_SYMBOL_NAME): Define.
17145 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17146 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17147 * config/i386/i386.c (override_options): Revise for Darwin.
17148 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17149 support. (darwin_x86_file_end): New. (output_set_got): Add label
17150 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17151 * config/i386/i386-protos.h (output_set_got): Likewise.
17152 * config/darwin.c (machopic_legitimize_pic_address): Update
17155 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17157 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17158 when MODE isn't BLKmode.
17160 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17162 PR rtl-optimization/25367
17163 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17165 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17168 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17169 for a negative bound.
17171 2006-01-10 Richard Guenther <rguenther@suse.de>
17173 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17174 Never override with anything constraint.
17176 2006-01-10 Jan Beulich <jbeulich@novell.com>
17178 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17179 256 bits when optimize_size.
17181 2006-01-10 Jan Beulich <jbeulich@novell.com>
17183 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17185 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17186 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17189 2006-01-10 Ben Elliston <bje@au.ibm.com>
17191 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17193 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17194 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17195 (USE_FP_FOR_ARG): Reject decimal float modes.
17196 (function_arg_advance): Likewise.
17197 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17198 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17199 point types in AltiVec vectors.
17200 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17201 (rs6000_libcall_value): Likewise.
17203 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17205 * config/xtensa/ieee754-df.S: New file.
17206 * config/xtensa/ieee754-sf.S: New file.
17207 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17208 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17209 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17211 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17213 * config/sh/predicates.md (binary_float_operator,
17214 binary_logical_operator, commutative_float_operator,
17215 equality_comparison_operator, greater_comparison_operator,
17216 less_comparison_operator, logical_operator,
17217 noncommutative_float_operator, shift_operator,
17218 symbol_ref_operand, unary_float_operator): Remove redundant
17221 2006-01-09 Jeff Law <law@redhat.com>
17223 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17224 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17225 now unused arguments. Callers updated.
17226 (eliminate_redundant_computations): Remove now unused arguments,
17228 (local_fold): Remove, no longer used.
17229 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17231 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17232 (simplify_cond): New function.
17233 (forward_propagate_into_cond): Call simplify_cond.
17235 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17237 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17238 (*vec_extractv2di_1_sse): New.
17240 2006-01-09 Ben Elliston <bje@au.ibm.com>
17242 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17244 2006-01-08 Richard Guenther <rguenther@suse.de>
17246 * tree-ssa-structalias.c (get_constraint_for): Remove
17247 anyoffset argument.
17248 (get_constraint_for_component_ref): Likewise.
17249 (do_deref): Likewise.
17250 (get_constraint_for): Likewise.
17251 (do_structure_copy): Likewise.
17252 (handle_ptr_arith): Likewise.
17253 (find_func_aliases): Likewise. Remove unused need_anyoffset
17256 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17257 Kaz Kojima <kkojima@gcc.gnu.org>
17259 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17260 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17261 (EXTRA_CONSTRAINT_C16): Remove.
17262 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17263 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17264 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17265 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17266 constants of SHmedia. Handle nested constant expressions of
17268 (andcosts): Fix the costs for SHmedia constants.
17269 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17270 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17271 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17272 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17273 (movv4hi_i, movv2si_i): Likewise.
17274 (movsi_const): Adjust the second operand of ior so to match with
17275 the Csu constraint.
17276 (movdi_const, movdi_const_32bit): Likewise.
17277 (movdi_const_16bit+1): Don't sign-extend LOW.
17278 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17280 (*double_shori): Fix the split condition. Use GEN_INT instead
17281 of get_int_mode calls. Mask lower 16-bit of the argument of
17283 (sym2GOTPLT): Remove.
17284 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17286 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17287 instead of EXTRA_CONSTRAINT_C16.
17289 2006-01-07 Ian Lance Taylor <ian@airs.com>
17290 David Edelsohn <edelsohn@gnu.org>
17292 PR rtl-optimization/25662
17293 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17294 for constant operands instead of simplify_gen_binary.
17295 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17296 after trying simplify_binary_operation
17298 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17300 * tree.c (iterative_hash_expr): Hash decls based on UID.
17302 2006-01-06 Eric Christopher <echristo@apple.com>
17304 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17305 (TARGET_UNWIND_EMIT): Fix spelling.
17306 * target.h (gcc_target): Add except_table_label.
17307 * except.c (output_function_exception_table): Use.
17308 * varasm.c (default_emit_except_table_label): New.
17309 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17311 (asm_out): Add here.
17312 * output.h (default_emit_except_table_label): Prototype.
17313 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17314 * config/darwin.c (darwin_emit_except_table_label): Define.
17315 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17317 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17319 PR tree-optimization/18527
17320 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17321 number_of_iterations_special, number_of_iterations_exit):
17322 Move base and step of an iv to a single structure. Add
17323 no_overflow flag, and use it in # of iterations analysis.
17324 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17325 folded_casts argument.
17326 (simple_iv): Pass base and step in a structure. Set no_overflow
17328 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17329 Evaluate expensiveness of computing # of iterations instead of
17330 the final expression.
17331 * tree-scalar-evolution.h (affine_iv): New structure.
17332 (simple_iv): Declaration changed.
17333 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17334 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17335 find_givs_in_stmt): Changed due to simple_iv change.
17337 2006-01-06 Jeff Law <law@redhat.com>
17340 * tree-cfg.c (bsi_replace): Rename final argument from
17341 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17342 change (stmt -> orig_stmt).
17343 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17344 (bsi_remove): Add new argument. Remove EH information
17346 (verify_eh_throw_table_statements): New function.
17347 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17349 * tree-optimize.c (execute_free_cfg_annotations): Verify
17350 the EH throw statement table after removing annotations.
17351 * except.h (verify_eh_throw_table_statements): Prototype.
17352 * tree-flow.h (bsi_remove): Update prototype.
17353 * tree-vrp.c (remove_range_assertions): Add new argument to
17355 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17356 * tree-complex.c (expand_complex_div_wide): Likewise.
17357 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17358 * tree-tailcall.c (eliminate_tailcall): Likewise.
17359 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17360 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17361 * tree-nrv.c (tree_nrv): Likewise.
17362 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17363 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17364 (combine_blocks): Likewise.
17365 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17366 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17367 (cleanup_control_flow): Likewise.
17368 (remove_forwarder_block): Likewise.
17369 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17370 * tree-sra.c (sra_replace): Likewise.
17371 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17372 (forward_propagate_single_use_vars): Likewise.
17373 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17374 * tree-inline.c (expand_call_inline): Likewise.
17375 * tree-vect-transform.c (vect_transform_loop): Likewise.
17376 * tree-outof-ssa.c (rewrite_trees): Likewise.
17377 * tree-cfg.c (make_goto_expr_edges): Likewise.
17378 (cleanup_dead_labels): Likewise.
17379 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17380 (bsi_move_before, bsi_move_after): Likewise.
17381 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17382 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17384 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17387 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17389 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17390 on non gimple variables. Also add checks at the top for decls and
17392 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17394 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17395 and IMAGPART_EXPR for creating MUST_DEFs.
17396 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17397 and NAME_MEMORY_TAG separately from the DECLs.
17399 2006-01-06 Richard Guenther <rguenther@suse.de>
17401 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17402 annotation, if necessary.
17403 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17404 redundant calls to update_stmt.
17405 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17408 2006-01-05 Richard Henderson <rth@redhat.com>
17410 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17412 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17414 * c-typeck.c: Update copyright date.
17416 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17418 * c-typeck.c (build_c_cast): Always warn when casting
17419 from a pointer to an integer of different size, even if
17420 the node was constant.
17422 2006-01-05 Richard Guenther <rguenther@suse.de>
17424 PR tree-optimization/22555
17425 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17426 if one structure field is an array.
17427 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17428 operands even if we found a subvar, but ignore VOPs in this
17430 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17432 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17434 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17436 PR middle-end/24998
17437 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17439 2006-01-05 Richard Guenther <rguenther@suse.de>
17440 Diego Novillo <dnovillo@redhat.com>
17442 * tree-pass.h (TODO_remove_unused_locals): Define.
17443 * gimple-low.c (expand_var_p, remove_useless_vars,
17444 pass_remove_useless_vars): Remove. Update all users.
17445 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17446 (remove_unused_locals): New function.
17447 * tree-flow.h (remove_unused_locals): Declare.
17448 * passes.c (execute_todo): Call remove_unused_locals if
17449 TODO_remove_unused_locals is set.
17450 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17451 * tree-ssa-dce.c (pass_dce): Likewise.
17452 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17454 2006-01-05 Richard Guenther <rguenther@suse.de>
17456 * tree-flow.h (struct fieldoff): Decompose field to
17457 type, size and decl.
17458 * tree-ssa-alias.c (create_sft): Take type as parameter.
17459 (create_overlap_variables_for): Store type, size and decl
17460 in the fieldoff structure.
17461 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17462 of struct fieldoff.
17463 (push_fields_onto_fieldstack): Likewise.
17464 (create_variable_info_for): Likewise. Use offset for the
17465 SFT name if the decl is not available.
17467 2006-01-04 Paul Brook <paul@codesourcery.com>
17469 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17471 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17473 * lambda-code.c (can_put_in_inner_loop): Relax
17475 (can_put_after_inner_loop): New function.
17476 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17477 (perfect_nestify): Change to make copies and modify uses.
17479 2006-01-04 Richard Henderson <rth@redhat.com>
17481 Merge from gomp branch:
17482 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17483 via integer constant.
17484 (pragma_lex): Remove.
17485 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17486 rather than parsing it.
17487 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17488 handle_pragma_extern_prefix): Add %< %> quotes.
17489 (registered_pragmas): New.
17490 (c_register_pragma_1): New.
17491 (c_register_pragma): Use it.
17492 (c_register_pragma_with_expansion): Likewise.
17493 (c_invoke_pragma_handler): New.
17494 (init_pragma): Use cpp_register_deferred_pragma directly for
17496 * c-pragma.h (enum pragma_kind): New.
17497 (pragma_handler): New.
17498 (c_invoke_pragma_handler): Declare.
17499 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17501 * c-common.h (c_common_pch_pragma): Update decl.
17502 * Makefile.in (c-parser.o): Update dependencies.
17503 (GTFILES): Add c-pragma.h.
17504 * c-parser.c (struct c_token): Add pragma_kind.
17505 (struct c_parser): Add in_pragma.
17506 (c_lex_one_token): Always initialize keyword and pragma_kind.
17507 Extract data for CPP_PRAGMA.
17508 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17509 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17510 Don't allow CPP_PRAGMA_EOL if in_pragma.
17511 (c_parser_consume_pragma): New.
17512 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17513 (c_parser_skip_to_end_of_parameter): Likewise.
17514 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17515 (c_parser_skip_to_pragma_eol): New.
17516 (c_parser_external_declaration): Handle CPP_PRAGMA.
17517 (c_parser_compound_statement_nostart): Likewise.
17518 (c_parser_statement_after_labels): Likewise.
17519 (c_parser_pragma): New.
17520 (pragma_lex): Likewise.
17521 (c_parser_pragma_pch_preprocess): New.
17522 (c_parser_new): Merge into ...
17523 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17525 2006-01-04 Jeff Law <law@redhat.com>
17528 * tree-cfg.c (bsi_replace): Remove the original statement
17529 from the EH throw statement table.
17531 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17533 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17534 make the prototype extern "C" and add throw ().
17537 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17538 and pos non-negative and pos + len <= 32.
17539 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17540 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17541 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17544 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17545 as well as sizes not multiple of component size.
17548 * function.c (instantiate_expr): New function.
17549 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17550 walk its DECL_VALUE_EXPR with instantiate_expr.
17552 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17553 DW_OP_deref{,_size} if address isn't going to be added.
17555 2006-01-04 Ben Elliston <bje@au.ibm.com>
17557 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17558 * config/fp-bit.c: Likewise.
17560 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17562 * dominance.c: Add comment about why we use DFS numbering
17565 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17566 Richard Henderson <rth@redhat.com>
17568 Merge from gomp-branch:
17569 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17570 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17572 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17574 PR rtl-optimization/25578
17575 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17576 pass a parameter to simplify_shift_const if changing ASHIFTRT
17579 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17581 * builtins.c (get_builtin_sync_mem): New function.
17582 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17583 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17584 Call get_builtin_sync_mem to generate mem rtx.
17586 2006-01-03 Richard Guenther <rguenther@suse.de>
17589 * stmt.c (add_case_node): Make sure to clear overflow flags
17592 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17594 Merge from gomp-branch.
17595 * config/sparc/sync.md: New file.
17596 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17597 UNSPECV_LDSTUB): New constants.
17598 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17599 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17600 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17603 2006-01-03 Roger Sayle <roger@eyesopen.com>
17605 * combine.c (reg_subword_p): New predicate to test whether the
17606 destination of a set refers to a subword/piece of a register.
17607 (try_combine): Generalize the code to merge the setting of a
17608 pseudo to a constant followed by a set of a subword of that
17609 register to a constant.
17611 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17613 * basic-block.h (control_flow_graph): Change the type of
17614 x_label_to_block_map to VEC(basic_block,gc) *.
17615 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17616 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17618 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17619 VEC(basic_block,heap) *.
17620 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17621 ssa_prop_fini): Adjust the uses of cfg_blocks.
17623 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17625 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17627 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17628 hashing trees instead of a pointer hash.
17629 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17630 compare for MEM_EXPR.
17632 PR rtl-optimization/25130
17633 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17634 when comparing MEMs for GCSE
17636 2006-01-03 Ben Elliston <bje@au.ibm.com>
17638 * targhooks.h (default_decimal_float_supported_p): Declare.
17639 * targhooks.c (default_decimal_float_supported_p): Define.
17640 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17641 `default_decimal_float_supported_p'.
17642 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17644 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17646 * combine.c (apply_distributive_law <SUBREG>): Check
17647 TRULY_NOOP_TRUNCATION.
17649 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17651 * dwarf2out.c (have_switched_text_section): Delete.
17652 (have_multiple_function_sections): New.
17653 (have_location_lists): Make 'bool'.
17654 (add_AT_loc_list): Use 'true' not '1'.
17655 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17656 (output_loc_list): Use have_multiple_function_sections.
17657 (output_ranges): Likewise.
17658 (dwarf2out_begin_function): Set have_multiple_function_sections if
17660 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17661 Check function_section rather than DECL_SECTION_NAME.
17662 (dwarf2out_finish): Use have_multiple_function_sections.
17663 Don't clear have_location_lists.
17665 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17666 Jan Hubicka <jh@suse.cz>
17668 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17669 case of conditional jump jumping to the next instruction.
17670 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17671 cases of conditional jump jumping to the next instruction.
17673 2006-01-02 Jan Hubicka <jh@suse.cz>
17675 * i386.c (*_cost): Add COSTS_N_INSNS.
17676 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17678 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17681 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17683 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17685 * config/arm/arm.c (all_fpus): Fix comment typo.
17686 * config/darwin.c: Likewise.
17687 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17688 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17689 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17691 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17693 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17694 (rs6000_split_compare_and_swapqhi): New.
17695 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17696 (sync_compare_and_swapqhi_internal): New.
17697 * config/rs6000/rs6000-protos.h: Declare.