1 2006-11-07 Josh Conner <jconner@apple.com>
3 * doc/invoke.texi (fstrict-aliasing): Move implementation
5 * doc/tree-ssa.texi (Alias analysis): ...here.
7 2006-11-07 Richard Guenther <rguenther@suse.de>
9 PR tree-optimization/29610
10 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
11 of tree_purge_dead_eh_edges as it may free dominators.
13 * g++.dg/other/pr29610.C: New testcase.
15 2006-11-07 David Ung <davidu@mips.com>
17 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
18 costs when optimizing for size.
19 (override_options): Use mips_rtx_cost_optimize_size table for cost
22 2006-11-07 Jie Zhang <jie.zhang@analog.com>
24 * gcc.c (process_command): Treat -b as normal switch if its argument
27 2006-11-07 David Ung <davidu@mips.com>
29 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
32 2006-11-06 Eric Christopher <echristo@apple.com>
34 * config.gcc: Add x86_64-darwin host support.
36 * config/i386/darwin64.h: New file.
37 * config/i386/t-darwin64: Ditto.
39 2006-11-06 Janis Johnson <janis187@us.ibm.com>
41 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
42 and output-exists-not.
44 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
47 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
48 checking for overflow.
50 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
52 * configure.ac: Fixed typo in case statement: :: changed to ;;
54 2006-11-06 Bob Wilson <bob.wilson@acm.org>
56 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
57 count_leading_zeros, and count_trailing_zeros.
58 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
59 (TARGET_FOLD_BUILTIN): Define.
60 (TARGET_EXPAND_BUILTIN): Define.
61 (xtensa_init_builtins): New.
62 (xtensa_fold_builtin): New.
63 (xtensa_expand_builtin): New.
64 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
65 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
66 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
67 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
68 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
69 (any_extend): New code macro.
70 (u, su): New code attributes.
71 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
72 (nsau): Remove; replaced by clzsi2.
74 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
75 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
76 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
77 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
78 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
80 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
82 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
84 * config/arm/t-strongarm-elf: Likewise.
85 * config/arm/t-pe: Likewise.
86 * config/arm/t-arm-elf: Likewise.
87 * config/arm/t-xscale-elf: Likewise.
88 * config/arm/t-arm-coff: Likewise.
89 * config/arm/t-xscale-coff: Likewise.
90 * config/arm/t-wince-pe: Likewise.
92 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
94 * config/sh/lib1funcs-4-300.asm: Guard entire file with
97 2006-11-05 Jakub Jelinek <jakub@redhat.com>
100 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
103 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
106 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
107 as a valid 80387 constant.
108 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
109 * config/i386/i386.md (unnamed splitter): Split the load of
110 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
113 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
115 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
116 from the soft-frame, argument and virtual registers.
118 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
120 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
121 patterns for standard 80387 constants.
123 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
124 Steven Bosscher <steven@gcc.gnu.org>
126 * fwprop.c: New file.
127 * Makefile.in: Add fwprop.o.
128 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
129 * passes.c (init_optimization_passes): Schedule forward propagation.
130 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
132 * timevar.def (TV_FWPROP): New.
133 * common.opt (-fforward-propagate): New.
134 * opts.c (decode_options): Enable forward propagation at -O2.
135 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
136 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
137 canon_for_address, table_size): Remove.
138 (new_basic_block, insert, remove_from_table): Remove references to
140 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
141 simplification loop more straightforward by not calling fold_rtx
143 (equiv_constant): Move here a small part of fold_rtx_subreg,
144 do not call fold_rtx. Call avoid_constant_pool_reference
146 * recog.h (canonicalize_change_group): New.
148 * doc/invoke.texi (Optimization Options): Document fwprop.
149 * doc/passes.texi (RTL passes): Document fwprop.
151 2006-11-03 Geoffrey Keating <geoffk@apple.com>
153 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
154 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
155 (grokdeclarator): Likewise.
157 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
159 * tree-dump.c (dump_enable_all): Rename local variable
160 ir_type to avoid name conflicts.
161 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
162 instead of using ir_type().
163 * profile.c (tree_register_profile_hooks): Likewise.
164 * value-prof.c (tree_register_value_prof_hooks): Likewise.
165 * basic-block.h (struct edge_def): Likewise.
166 * config/arm/arm.c (legitimize_pic_address): Likewise.
167 * coretypes.h (ir_type): New enum of all intermediate languages
169 * cfghooks.c (ir_type): Rename to...
170 (current_ir_type): ...this. Distinguish between cfgrtl and
171 cfglayout mode when the current IR is RTL. Return enum ir_type.
172 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
174 2006-11-03 Paul Brook <paul@codesourcery.com>
176 * config/arm/arm.c (arm_file_start): New function.
177 (TARGET_ASM_FILE_START): Define.
178 (arm_default_cpu): New variable.
179 (arm_override_options): Set arm_default_cpu.
181 2006-11-03 David Ung <davidu@mips.com>
183 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
184 PROCESSOR_24KC and PROCESSOR_24KF.
185 * config/mips/mips.c (mips_cpu_info_table): Add processor names
186 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
187 (mips_rtx_cost_data): Add costs for the 24kc.
188 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
189 * config/mips/24k.md: Remove references to 24k and replace with
190 uses of 24kc/24kf in the appropriate reservations.
191 * doc/invoke.texi (MIPS Options): Updated.
193 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
195 * config/sh/crt1.asm: Fix #ifdef indent.
197 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
198 Merged from STMicroelectronics sources:
199 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
200 * config/sh/crt1.asm (vbr_600): Add missing #if.
201 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
202 * sh.opt (mfused-madd): New option.
203 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
204 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
205 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
206 Remove pointless handler at VBR+0.
207 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
208 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
209 fr7. Make sure the timer handler is called with the correct FPU
210 precision setting, according to the ABI.
211 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
212 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
213 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
214 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
215 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
216 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
217 zero as second operand.
218 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
219 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
220 Fixed some bugs related to negative values, in particular -0
221 and overflow at -0x80000000.
222 * config/sh/divcost-analysis: Added sh4-300 figures.
223 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
224 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
225 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
226 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
227 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
228 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
230 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
232 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
233 SH4-300 scheduling description & fixes to SH4-[12]00 description:
234 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
235 mac_mem, mem_mac, dfp_mul, fp_cmp.
236 (insn_class, dfp_comp, any_fp_comp): Update.
237 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
238 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
239 (muldf3_i): Likewise.
240 (movsi_i): Split rI08 alternative into two separate alternatives.
242 (movsi_ie, movsi_i_lowpart): Likewise.
243 (movqi_i): Split ri alternative into two separate alternatives.
245 * sh1.md (sh1_load_store, sh1_fp): Update.
246 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
247 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
248 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
249 (sh4a_fp_double_arith): Likewise.
250 * sh4-300.md: New file.
251 * sh.c (sh_handle_option): Handle m4-300* options.
252 (sh_adjust_cost): Fix latency of auto-increments.
253 Handle SH4-300 differently than other SH4s. Check for new insn types.
254 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
255 been set by an option.
256 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
257 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
258 (mbranch-cost=): Likewise.
259 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
261 * sh.md (mulsf3): Remove special expansion code.
262 (mulsf3_ie): Now a define_insn_and_split.
263 (macsf3): Allow for TARGET_SH4.
265 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
266 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
267 (expand_cbranchdi4): Likewise.
268 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
269 CONST_DOUBLE if the outer code is COMPARE.
270 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
271 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
272 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
273 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
274 Remove redundant fp_{zero,one}_operand checks.
275 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
276 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
277 (expand_cbranchdi4): Likewise.
278 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
279 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
281 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
283 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
286 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
288 * doc/invoke.texi: Fix mfp-trap-mode typo.
290 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
292 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
293 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
294 file_end_indicate_exec_stack.
295 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
297 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
298 for a non-executable stack.
299 * crti.asm: Likewise.
300 * crtn.asm: Likewise.
301 * libunwind.S: Likewise.
303 2006-11-02 Ben Elliston <bje@au.ibm.com>
305 * tree-ssa.c (warn_uninit): Use expand_location variables for
306 locus and declaration locus.
308 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
311 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
312 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
313 cmp{eq,gt,gtu}{si,di}_media.
314 (*cmpne0si_media): Remove.
315 (*movsicc_umin): Adjust gen_cmp*_media call.
316 (unordered): Change the mode of unordered and operands[1] to
318 (seq): Adjust gen_cmp*_media calls. Make the mode of
319 a temporary result of compare SImode if needed. If the mode
320 of operands[0] is DImode, extend the temporary result to DImode.
321 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
322 (sunorderd): Change the mode of match_operand and unorderd to
324 (cmpeq{sf,df}_media): Remove.
325 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
326 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
327 and compare operation to SImode.
329 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
331 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
333 (sparc64-sun-solaris2*): Likewise.
335 2006-11-02 Paul Brook <paul@codesourcery.com>
337 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
338 from priority argument. Use different section for non-default
340 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
342 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
345 * except.c (switch_to_exception_section): Do not cache the section
346 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
347 and flag_function_sections is set.
349 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
352 * builtins.c (do_mpfr_sincos): New.
353 (fold_builtin_1): Use it to fold builtin sincos.
355 2006-11-01 Roger Sayle <roger@eyesopen.com>
357 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
358 it into -D_REENTRANT.
360 2006-11-01 Roger Sayle <roger@eyesopen.com>
362 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
363 whether the assembler supports taking the difference of symbols in
364 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
365 * configure: Regenerate.
366 * config.in: Regenerate.
367 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
368 the assembler doesn't support taking the difference of symbols in
369 different sections, i.e. we're using the native solaris assembler.
371 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
372 Peter Bergner <bergner@vnet.ibm.com>
374 * doc/invoke.texi: Add cpu_type power6x
375 (RS/6000 and PowerPC Options): Add -mmfpgpr.
376 * config.gcc: Add cpu_type power6x.
377 * configure.ac: Add test for mf{t,f}gpr instructions.
378 (HAVE_AS_MFPGPR): New.
379 * config.in: Regenerate.
380 * configure: Regenerate.
381 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
382 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
383 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
384 and mftgpr attributes.
385 (define_attr "cpu"): Add power6.
386 Change instruction sequences to use new attributes.
387 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
388 (fix_truncdfsi2_mfpgpr): New.
389 (floatsidf_ppc64_mfpgpr): New.
390 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
391 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
392 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
393 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
394 (fix_truncdfsi2): Use gpc_reg_operand constraint.
395 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
396 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
397 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
398 cntlz,exts and var_delayed_compare.
399 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
400 _ARCH_PWR6X, if features enabled.
401 * config/rs6000/rs6000.opt (mmfpgpr): New.
402 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
403 (cached_can_issue_more): New variable.
404 (processor_costs): Add power6_cost.
405 (rs6000_sched_init): New function.
406 (is_dispatch_slot_restricted): Deleted.
407 (set_to_load_agen): New function.
408 (is_load_insn,is_store_insn): New functions.
409 (adjacent_mem_locations): New function.
410 (insn_must_be_first_in_group): New function.
411 (insn_must_be_last_in_group): New function.
412 (rs6000_sched_reorder): New function.
413 (rs6000_sched_reorder2): New function.
414 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
415 TARGET_SCHED_REORDER2): Define.
416 (processor_target_table): Use PROCESSOR_POWER6 for power6.
417 Add power6x. Add MASK_MFPGPR for power6x.
418 (POWERPC_MASKS): Add MASK_MFPGPR.
419 (rs6000_override_options): Set rs6000_always_hint to false
420 for power6. Set rs6000_align_branch_targets. Replace
421 rs6000_sched_groups check with rs6000_align_branch_targets.
422 Use PROCESSOR_POWER6.
423 (last_scheduled_insn): New variable.
424 (load_store_pendulum): New variable.
425 (rs6000_variable_issue): Set last_scheduled_insn and
426 cached_can_issue_more.
427 (rs6000_adjust_cost): Add power6 cost adjustments.
428 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
429 with insn_must_be_first_in_group. Add power6 priority adjustments.
430 (rs6000_issue_rate): Add CPU_POWER6.
431 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
432 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
433 (TARGET_MFPGPR): New.
434 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
435 (ASM_CPU_SPEC): Add power6x.
436 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
438 * config/rs6000/power6.md: New file.
440 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
442 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
443 HOST_WIDE_INT_PRINT to print high and low parts. Use
444 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
445 printing a hexadecimal number prefix it with 0x.
447 2006-11-01 Chris Johns <chris@contemporary.net.au>
450 * Makefile.in (install-driver): Use exeext when installing
451 $target-gcc-$version.
453 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
455 * c-common.c (flag_cpp0x): New.
456 * c-common.h (flag_cpp0x): New.
457 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
458 supported, define __GXX_EXPERIMENTAL_CPP0X__.
459 * c-opts.c (set_std_cxx0x): New.
460 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
461 * c.opt (std=c++0x): Document.
462 (std=gnu++0x): Ditto.
463 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
464 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
466 2006-11-01 Richard Guenther <rguenther@suse.de>
468 * config/i386/i386.c (ix86_expand_rint): Fix issues with
470 (ix86_expand_floorceildf_32): Likewise.
471 (ix86_expand_floorceil): Likewise.
472 (ix86_expand_trunc): Likewise.
474 2006-10-31 Andrew Pinski <pinskia@gmail.com>
476 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
479 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
481 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
483 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
485 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
487 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
488 * configure.ac (use_cxa_atexit): As a special case, don't test
489 for libc definition of __cxa_atexit on mingw32
490 * configure: Regenerate.
491 * config.gcc (i[34567]86-pc-mingw32): Default to
492 enable__cxa_atexit=yes.
494 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
496 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
498 2006-10-31 Geoffrey Keating <geoffk@apple.com>
501 * c-decl.c (start_struct): Don't create self-containing
503 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
505 * config/rs6000/rs6000-protos.h
506 (darwin_rs6000_special_round_type_align): New.
507 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
508 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
510 2006-10-31 Geoffrey Keating <geoffk@apple.com>
512 * toplev.c (compile_file): Call final_write_globals
513 even if there have been errors.
515 2006-10-31 Eric Christopher <echristo@apple.com>
516 Falk Hueffner <falk@debian.org>
518 * doc/extend.texi (__builtin_bswap32): Document.
519 (__builtin_bswap64): Ditto.
520 * doc/libgcc.texi (bswapsi2): Document.
522 * doc/rtl.texi (bswap): Document.
523 * optabs.c (expand_unop): Don't widen a bswap.
524 (init_optabs): Init bswap. Set libfuncs explicitly
525 for bswapsi2 and bswapdi2.
526 * optabs.h (OTI_bswap): New.
527 (bswap_optab): Ditto.
528 * genopinit.c (optabs): Handle bswap_optab.
529 * tree.h (tree_index): Add TI_UINT32_TYPE and
531 (uint32_type_node): New.
532 (uint64_type_node): Ditto.
533 * tree.c (build_common_tree_nodes_2): Initialize
534 uint32_type_node and uint64_type_node.
535 * builtins.c (expand_builtin_bswap): New.
536 (expand_builtin): Call.
537 (fold_builtin_bswap): New.
538 (fold_builtin_1): Call.
539 * fold-const.c (tree_expr_nonnegative_p): Return true
541 * builtin-types.def (BT_UINT32): New.
543 (BT_FN_UINT32_UINT32): Ditto.
544 (BT_FN_UINT64_UINT64): Ditto.
545 * builtins.def (BUILT_IN_BSWAP32): New.
546 (BUILT_IN_BSWAP64): Ditto.
547 * rtl.def (BSWAP): New.
548 * genattrtab.c (check_attr_value): New.
549 * libgcc2.c (__bswapSI2): New.
551 * libgcc2.h (__bswapSI2): Declare.
553 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
554 * simplify-rtx.c (simplify_const_unary_operation): Return
556 * libgcc-std.ver (__bwapsi2): Add.
558 * reload1.c (eliminate_regs_1): Add bswap.
559 (elimination_effects): Ditto.
560 * config/i386/i386.h (x86_bswap): New.
562 * config/i386/i386.c (x86_bswap): Set.
564 2006-10-31 Geoffrey Keating <geoffk@apple.com>
566 * coverage.c (coverage_checksum_string): Update comment.
567 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
568 of get_file_function_name.
569 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
570 of get_file_function_name_long.
571 * tree.c (get_file_function_name): Rename from
572 get_file_function_name_long; improve comment; handle 'I' and 'D'
573 specially when the target has ctor/dtor support; remove special
575 (get_file_function_name): Remove.
576 * tree.h (get_file_function_name): Rename from
577 get_file_function_name_long.
578 (get_file_function_name): Remove prototype.
580 2006-10-31 Geoffrey Keating <geoffk@apple.com>
582 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
583 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
585 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
586 Call dsymutil when compiling and linking one or more source files
589 2006-10-31 Geoffrey Keating <geoffk@apple.com>
592 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
594 2006-10-31 Geoffrey Keating <geoffk@apple.com>
596 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
597 inline static functions in c99 mode.
600 * doc/extend.texi (Inline): Update.
601 * c-tree.h (struct language_function): Remove field 'extern_inline'.
602 * c-decl.c (current_extern_inline): Delete.
603 (pop_scope): Adjust test for an undefined nested function.
604 Add warning about undeclared inline function.
605 (diagnose_mismatched_decls): Update comments. Disallow overriding
606 of inline functions in a translation unit in C99. Allow inline
607 declarations in C99 at any time.
608 (merge_decls): Boolize variables. Handle C99 'extern inline'
610 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
611 C99 inline semantics.
612 (start_function): Don't clear current_extern_inline. Don't set
614 (c_push_function_context): Don't push current_extern_inline.
615 (c_pop_function_context): Don't restore current_extern_inline.
618 * c-typeck.c (build_external_ref): Warn about static variables
619 used in extern inline functions.
620 * c-decl.c (start_decl): Warn about static variables declared
621 in extern inline functions.
623 2006-10-31 Roger Sayle <roger@eyesopen.com>
626 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
627 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
628 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
629 or y is an even integer.
631 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
634 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
635 * gthr-posix95.h (__gthread_active_p): Likewise.
637 2006-10-31 Richard Guenther <rguenther@suse.de>
639 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
640 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
641 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
642 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
643 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
644 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
645 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
646 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
649 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
651 * opts.c (decode_options): Disable CSE skip blocks.
653 2006-10-30 Dirk Mueller <dmueller@suse.de>
655 * c-common.h (strict_aliasing_warning): Fix whitespace.
656 * c-decl (start_function): Move code for main decl warning ..
657 * c-common.c (check_main_parameter_types): .. here.
658 * c-common.h (check_main_parameter_types): Declare.
660 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
663 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
665 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
667 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
668 be a PARALLEL containing sets. Return false when out_pat is not
671 2006-10-30 Richard Sandiford <richard@codesourcery.com>
673 * config/mips/mips.md (mul<mode>3): Split into...
674 (mulsi3, muldi3): ...these separate patterns.
676 2006-10-30 Richard Sandiford <richard@codesourcery.com>
678 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
679 but with each set of options separated by spaces.
681 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
683 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
684 dwarf_reg_size_table has been initialized.
686 2006-10-30 Roger Sayle <roger@eyesopen.com>
688 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
689 * ddg.c (print_ddg_edge): Likewise.
690 * dwarf2out.c (prune_unused_types_walk): Likewise.
691 * ifcvt.c (noce_try_cmove_arith): Likewise.
692 * langhooks.c (add_builtin_function): Likewise.
693 * reg-stack.c (subst_stack_regs_pat): Likewise.
694 * tree.c (expanded_location): Likewise.
695 * tree-dump.c (dequeue_and_dump): Likewise.
697 2006-10-30 David Daney <ddaney@avtrex.com>
699 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
701 2006-10-30 Jakub Jelinek <jakub@redhat.com>
703 PR tree-optimization/29637
704 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
705 of the innertype is the innertype itself.
707 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
709 * dwarf2out.c (file_name_acquire): Correct typo.
711 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
713 * tree.h (tree_value_handle): Remove struct value_set declaration.
714 Change value_set to bitmap_set.
715 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
716 * tree-vn.c (get_value_handle): Made inline and moved to
718 * tree-flow-inline.h: (has_stmt_ann): New function.
719 * tree-ssa-pre.c (expressions): New variable.
720 (next_expression_id): Ditto.
721 (alloc_expression_id): New function.
722 (struct value_set): Remove.
723 (get_expression_id): New function.
724 (get_or_alloc_expression_id): Ditto.
725 (expression_for_id): Ditto.
726 (clear_expression_ids): Ditto.
727 (FOR_EACH_EXPR_ID_IN_SET): New macro.
728 (bb_value_sets): Renamed to bb_bitmap_sets.
729 All value sets replaced with bitmap_sets.
731 (BB_VISITED): New macro.
732 (postorder): New variable.
733 (add_to_value): Removed.
734 (value_exists_in_set_bitmap): Ditto.
735 (value_insert_into_set_bitmap): Ditto.
739 (set_contains_value): Ditto.
740 (insert_into_set): Ditto.
742 (find_leader): Ditto.
743 (bitmap_set_subtract_from_value_set): Ditto.
744 (value_insert_into_set): Ditto.
745 (print_value_set): Ditto.
746 (debug_value_set): Ditto.
747 (constant_expr_p): New function.
748 (bitmap_remove_from_set): Ditto.
749 (bitmap_insert_into_set): Ditto.
750 (bitmap_set_free): Ditto.
752 (sorted_array_from_bitmap_set): Ditto.
753 (bitmap_set_subtract): Ditto.
754 (bitmap_set_equal): Ditto.
755 (debug_bitmap_set): Ditto.
756 (find_leader_in_sets): Ditto.
757 (bitmap_set_replace_value): Modify for bitmapped sets.
758 (phi_translate): Ditto.
759 (phi_translate_set): Ditto.
760 (bitmap_find_leader): Ditto.
761 (valid_in_sets): Ditto.
762 (union_contains_value): Ditto.
764 (compute_antic_aux): Ditto. Mark changed blocks.
765 (compute_antic): Ditto. Iterate in postorder and only over
767 (compute_rvuse_and_antic_safe): Reuse postorder.
768 (create_component_ref_by_pieces): Modify for bitmapped sets.
769 (find_or_generate_expression): Ditto.
770 (create_expression_by_pieces): Ditto.
771 (insert_into_preds_of_block): Ditto.
772 (changed_blocks): New variable.
773 (do_regular_insertion): Broken out from insert_aux.
774 (insert_aux): Modified for bitmapped sets.
775 (find_existing_value_expr): New function.
776 (create_value_expr_from): Use it.
777 (insert_extra_phis): Removed.
778 (print_bitmap_set): Renamed from bitmap_print_value_set.
779 (compute_avail): Handle RETURN_EXPR.
780 (init_pre): Modify for bitmapped sets.
781 * tree-flow.h (has_stmt_ann): New function.
783 2006-10-29 Roger Sayle <roger@eyesopen.com>
785 * builtins.c (fold_builtin_floor): Check for the availability of
786 the C99 trunc function before transforming floor into trunc.
788 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
790 * builtins.c (fold_builtin_hypot): Rearrange recursive
791 transformation before others, and also do ABS_EXPR. When
792 necessary, check flag_unsafe_math_optimizations. When necessary,
795 2006-10-29 Roger Sayle <roger@eyesopen.com>
797 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
798 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
799 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
800 Fold -X eq/ne -Y as X eq/ne Y.
802 2006-10-29 Richard Sandiford <richard@codesourcery.com>
804 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
805 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
806 rather than GENERATE_MULT3_SI in the various define_peephole2s.
807 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
808 Use an inclusive test for "mult" rather than "mul".
809 (rotr<mode>3): Depend on ISA_HAS_ROR.
810 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
812 (GENERATE_MULT3_DI): Delete.
813 (ISA_HAS_64BIT_REGS): Use consistent formatting.
814 (ISA_HAS_MUL3): New macro.
815 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
816 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
817 (ISA_HAS_CLZ_CLO): Likewise.
818 (ISA_HAS_DCLZ_DCLO): Delete.
819 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
820 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
821 the VR4120 and VR4130.
822 (ISA_HAS_MACCHI): Use consistent formatting.
823 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
824 (ISA_HAS_ROR): ...this new macro.
825 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
826 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
827 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
829 2006-10-29 Roger Sayle <roger@eyesopen.com>
831 PR tree-optimization/15458
832 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
835 2006-10-29 Richard Guenther <rguenther@suse.de>
837 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
838 (ix86_expand_truncdf_32): Likewise.
839 * config/i386/i386.c (ix86_expand_trunc): New function expanding
840 trunc inline for SSE math and -fno-trapping-math and if not
842 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
843 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
844 for expanding btrunc inline for SSE math.
846 2006-10-29 Joseph Myers <joseph@codesourcery.com>
848 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
849 Handle tuning for bi-arch i[34567]86-*-linux* like that for
850 i[34567]86-*-solaris2.1[0-9]*.
851 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
852 Define conditionally depending on TARGET_64BIT_DEFAULT.
853 (SPEC_32, SPEC_64): Define.
854 (LINK_SPEC): Use them.
855 * doc/install.texi (--enable-targets=all): Document for x86-linux.
857 2006-10-29 Richard Guenther <rguenther@suse.de>
859 * config/i386/i386-protos.h (ix86_expand_round): Declare.
860 (ix86_expand_rounddf_32): Likewise.
861 * config/i386/i386.c (ix86_expand_round): New function expanding
862 round inline for SSE math and -fno-trapping-math and if not
864 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
865 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
866 round via ix86_expand_round.
868 2006-10-29 Richard Guenther <rguenther@suse.de>
870 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
871 (ix86_expand_floorceildf_32): Likewise.
872 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
873 static helper function.
874 (ix86_expand_floorceil): Expander for floor and ceil to SSE
876 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
877 * config/i386/i386.md (floordf2): Adjust to enable floor
878 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
879 -fno-trapping-math is enabled and if not optimizing for size.
880 (floorsf2, ceildf2, ceilsf2): Likewise.
881 * config/i386/sse.md (sse_maskcmpsf3): New insn.
882 (sse2_maskcmpdf3): Likewise.
884 2006-10-29 Richard Guenther <rguenther@suse.de>
886 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
887 rint in case -fno-trapping-math is enabled.
888 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
889 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
890 (ix86_expand_sse_fabs): Likewise.
891 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
892 * config/i386/i386.md (rintdf2): Enable for SSE math if
893 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
896 2006-10-29 Richard Guenther <rguenther@suse.de>
898 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
899 to conversion optabs.
900 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
902 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
903 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
904 (lfloor_optab, lceil_optab): Adjust defines.
905 * builtins.c (expand_builtin_int_roundingfn): Adjust for
906 lfloor and lceil optabs now being conversion optabs.
907 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
908 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
909 New static helper function.
910 (ix86_expand_lfloorceil): New function to expand lfloor and
912 * config/i386/i386.md (lfloor<mode>2): Split into ...
913 (lfloorxf<mode>2): ... x87 variant
914 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
915 using ix86_expand_lfloorceil.
916 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
918 * doc/md.texi (lfloorMN, lceilMN): Document.
920 2006-10-29 Richard Sandiford <richard@codesourcery.com>
922 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
923 -mno-shared assembler option on mips targets.
924 * configure, config.in: Regenerate.
925 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
926 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
927 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
929 2006-10-29 Richard Sandiford <richard@codesourcery.com>
931 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
932 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
934 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
936 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
937 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
940 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
943 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
944 (fold_builtin_pow): Evaluate constant arguments at compile-time
946 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
947 (do_mpfr_ckconv): New helper function.
948 (do_mpfr_arg1): Use do_mpfr_ckconv.
951 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
954 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
955 (-fdump-rtl-sched): Rename to ..
956 (-fdump-rtl-sched1): here. Also fix file extension number.
958 2006-10-28 Richard Guenther <rguenther@suse.de>
960 * fold-const.c (maybe_canonicalize_comparison): Fix code
963 2006-10-28 Uros Bizjak <uros@kss-loka.si>
965 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
966 (NON_QI_REG_P): Use IN_RANGE.
967 (REX_INT_REGNO_P): Use IN_RANGE.
968 (FP_REGNO_P): Use IN_RANGE.
969 (SSE_REGNO_P): Use IN_RANGE.
970 (REX_SSE_REGNO_P): Use IN_RANGE.
971 (MMX_REGNO_P): Use IN_RANGE.
972 (STACK_REGNO_P): New macro.
973 (STACK_REG_P): Use STACK_REGNO_P.
974 (NON_STACK_REG_P): Use STACK_REGNO_P.
975 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
976 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
977 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
978 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
979 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
981 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
983 * except.h (output_function_exception_table): Add 'const char*' param.
984 * except.c (switch_to_exception_section): Add 'const char*' param.
985 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
986 and flag_function_sections is set, use a function-specific section.
987 (output_function_exception_table): Add 'const char*' param.
988 Adjust call to switch_to_exception_section.
989 * final.c (rest_of_handle_final): Adjust calls to
990 output_function_exception_table.
991 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
992 * config.in: Regenerate.
993 * configure: Likewise.
995 2006-10-28 Richard Guenther <rguenther@suse.de>
998 * fold-const.c (maybe_canonicalize_comparison_1): Helper
999 for maybe_canonicalize_comparison.
1000 (maybe_canonicalize_comparison): New function for canonicalizing
1002 (fold_comparison): Call it to canonicalize comparisons with
1005 2006-10-28 Richard Guenther <rguenther@suse.de>
1008 * builtins.c (expand_builtin_int_roundingfn_2): Expand
1009 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
1010 (expand_builtin): Adjust likewise.
1011 * genopinit.c (optabs[]): Add lround optab.
1012 * optabs.c (init_optabs): Initialize lround_optab.
1013 * optabs.h (enum convert_optab_index): Add COI_lround.
1014 (lround_optab): Define.
1015 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1016 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1018 (ix86_expand_lround): New function.
1019 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1021 * doc/md.texi (lroundMN2): Document.
1023 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1026 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1027 argument to HOST_WIDE_INT. Update function prototype.
1028 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1029 "size" argument to HOST_WIDE_INT. Update function prototype.
1031 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1033 * config/i386/i386.c (output_387_ffreep): Create output from a
1034 template string for !HAVE_AS_IX86_FFREEP.
1036 2006-10-27 Eric Christopher <echristo@apple.com>
1038 * config/darwin.c: Fix formatting and grammar.
1040 2006-10-27 Jan Hubicka <jh@suse.cz>
1042 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1043 to be thrown away soon when IGNORE is set.
1044 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1045 indicating when return value shall not be computed.
1046 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1048 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1050 * config/i386/i386.h (TARGET_GEODE):
1051 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1052 (TARGET_CPU_DEFAULT_geode): New macro.
1053 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1054 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1055 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1056 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1057 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1059 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1060 (processor_type): Add PROCESSOR_GEODE.
1062 * config/i386/i386.md: Include geode.md.
1065 * config/i386/i386.c (geode_cost): New initialized global
1067 (m_GEODE, m_K6_GEODE): New macros.
1068 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1069 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1070 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1071 x86_schedule): Use m_K6_GEODE instead of m_K6.
1072 (x86_movx, x86_cmove): Set up m_GEODE.
1073 (x86_integer_DFmode_moves): Clear m_GEODE.
1074 (processor_target_table): Add entry for geode.
1075 (processor_alias_table): Ditto.
1077 * config/i386/geode.md: New file.
1079 * doc/invoke.texi: Add entry about geode processor.
1081 2006-10-27 Mike Stump <mrs@apple.com>
1083 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1084 __DYNAMIC__ from here back to ...
1085 * config/darwin.h (CPP_SPEC): ... here.
1087 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1088 Nathan Sidwell <nathan@codesourcery.com>
1090 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1091 when choosing the minimum heapsize.
1093 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1095 * gcc/unwind-dw2.h: Move cfa-related variables into
1096 struct frame_state_reg_info to ensure that the CFA is properly
1097 handled when executing DW_CFA_{remember,restore}_state.
1098 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1099 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1100 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1101 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1102 gcc/config/rs6000/linux-unwind.h,
1103 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1104 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1105 Modify to use new cfa_* fields.
1107 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1109 * config/s390/s390.c (s390_init_frame_layout): Check positive
1112 2006-10-26 Ben Elliston <bje@au.ibm.com>
1114 * gimplify.c (get_name): Remove extraneous break.
1115 (gimplify_omp_for): Initialise ret with GS_OK.
1117 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1119 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1120 Add unix98.o to link line.
1122 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1125 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1126 Calculate compile-time constants using MPFR.
1127 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1128 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1130 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1132 * config/xtensa/lib2funcs.S: Use C-style comments.
1134 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1136 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1137 (file_table_relative_p): Likewise.
1138 (dwarf2out_finish): Likewise.
1139 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1141 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1143 * tree-ssa-structalias.c (intra_create_variable_infos):
1144 Don't recreate nonlocal_all if it already exists.
1146 2006-10-25 Richard Guenther <rguenther@suse.de>
1149 * optabs.h (enum optab_index): Remove OTI_lrint.
1150 (enum convert_optab_index): Add COI_lrint.
1151 (lrint_optab): Adjust.
1152 (expand_sfix_optab): Declare.
1153 * optabs.c (expand_sfix_optab): New function.
1154 (init_optabs): Init lrint_optab as conversion optab.
1155 * genopinit.c (lrint_optab): Change to a conversion optab.
1156 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1157 expansion via conversion optab.
1158 * config/i386/i386.md (*fistdi2_1): Remove
1159 flag_unsafe_math_optimizations guard.
1160 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1161 fist<mode>2_with_temp): Likewise.
1162 (lrint<mode>2): Split into...
1163 (lrintxf<mode>2): ... x87 part
1164 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1165 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1166 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1167 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1168 * doc/md.texi (lrintMN2): Document.
1170 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1173 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1174 Use inc and dec instructions for TARGET_USE_INCDEC.
1175 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1176 ("sync_double_compare_and_swap<mode>"): Likewise.
1177 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1178 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1179 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1180 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1181 ("sync_old_add<mode>"): Likewise.
1182 ("sync_lock_test_and_set<mode>"): Likewise.
1183 ("sync_lock_test_and_set<mode>"): Likewise.
1184 ("sync_add<mode>"): Likewise.
1185 ("sync_sub<mode>"): Likewise.
1186 ("sync_ior<mode>"): Likewise.
1187 ("sync_and<mode>"): Likewise.
1188 ("sync_xor<mode>"): Likewise.
1190 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1192 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1193 (remainder_optab): Define corresponding macro.
1194 (drem_optab): Remove.
1195 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1196 drem_optab initialization.
1197 * genopinit.c (optabs): Implement remainder_optab using
1198 remainder?f3 patterns. Remove drem_optab.
1199 * builtins.c (expand_builtin_mathfn_2): Handle
1200 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1201 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1202 expand_builtin_mathfn_2.
1204 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1205 depend on flag_unsafe_math_optimizations.
1207 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1208 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1209 Do not depend on flag_unsafe_math_optimizations. Use
1210 truncxf?f expander instead of truncxf?f_i387_noop.
1212 ("fpremxf4", "fprem1xf4"): Do not depend on
1213 flag_unsafe_math_optimizations.
1214 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1215 flag_unsafe_math_optimizations. Use truncxf?f expander
1216 instead of truncxf?f_i387_noop.
1218 * doc/md.texi (fmod, remainder): Document standard named pattern.
1220 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1221 David Daney <ddaney@avtrex.com>
1224 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1226 2006-10-25 Ben Elliston <bje@au.ibm.com>
1228 * doc/extend.texi (Variable Attributes): Typo fix.
1230 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1232 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1233 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1234 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1235 (FRAME_POINTER_REGNUM): Update register number to 21.
1236 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1237 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1239 * config/i386/i386.c (regclass_map): Add fpcr entry.
1240 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1242 (print_reg): Assert REGNO (x) != FPCR_REG.
1244 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1245 (DIRFLAG_REG): Renumber.
1246 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1247 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1248 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1249 hardcoded SSE register numbers.
1251 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1252 hardcoded MMX register numbers.
1254 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1257 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1258 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1260 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1261 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1262 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1263 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1265 2006-10-24 Richard Guenther <rguenther@suse.de>
1268 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1269 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1270 for deciding optimizations in consistency with fold-const.c
1271 (fold_builtin_unordered_cmp): Likewise.
1273 2006-10-24 Richard Guenther <rguenther@suse.de>
1275 * builtins.c (fold_builtin_floor): Fold floor (x) where
1276 x is nonnegative to trunc (x).
1277 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1278 nonnegative to FIX_TRUNC_EXPR.
1280 2006-10-24 Richard Guenther <rguenther@suse.de>
1282 PR tree-optimization/29567
1283 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1284 for TRUTH_NOT_EXPR. Clarify comments.
1286 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1289 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1290 at compile-time using MPFR. Change parameter VALUE to FUNC,
1292 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1293 for overflow and underflow at all times and avoid folding in
1296 2006-10-24 Ben Elliston <bje@au.ibm.com>
1298 * reload1.c: Formatting fixes.
1300 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1302 PR tree-optimization/14784
1303 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1304 * tree-ssa-structalias.c (get_constraint_for,
1305 intra_create_variable_infos): Set is_heapvar.
1306 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1307 non-heapvar pointer variables specially.
1309 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1312 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1313 fold_builtin_tan): Fold all constant arguments. Take a "type"
1314 argument as necessary.
1315 (do_mpfr_arg1): New.
1316 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1318 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1320 * config/xtensa/lib1funcs.asm: Use C-style comments.
1322 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1324 * tree.c (local_define_builtin): Replace calls to
1325 lang_hooks.builtin_function with add_builtin_function.
1326 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1328 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1330 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1331 common code to add_builtin_function.
1332 * langhooks.c (add_builtin_function): New function.
1333 (lhd_builtin_function): New function.
1334 * langhooks.h (struct lang_hooks): Change the signature of
1336 (add_builtin_function): New function.
1337 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1338 calls to lang_hooks.builtin_function with add_builtin_function.
1339 * c-common.c (decl_builtin_1): Replace calls to
1340 lang_hooks.builtin_function with add_builtin_function.
1341 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1342 lang_hooks.builtin_function with add_builtin_function.
1343 * config/frv/frv.c (def_builtin): Replace calls to
1344 lang_hooks.builtin_function with add_builtin_function.
1345 * config/s390/s390.c (s390_init_builtins): Replace calls to
1346 lang_hooks.builtin_function with add_builtin_function.
1347 * config/sparc/sparc.c (def_builtin): Replace calls to
1348 lang_hooks.builtin_function with add_builtin_function.
1349 * config/i386/i386.c (def_builtin): Replace calls to
1350 lang_hooks.builtin_function with add_builtin_function.
1351 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1352 lang_hooks.builtin_function with add_builtin_function.
1353 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1354 lang_hooks.builtin_function with add_builtin_function.
1355 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1356 Replace calls to lang_hooks.builtin_function with
1357 add_builtin_function.
1358 * config/iq2000/iq2000.c (def_builtin):
1359 Replace calls to lang_hooks.builtin_function with
1360 add_builtin_function.
1361 * config/ia64/ia64.c (def_builtin): Replace calls to
1362 lang_hooks.builtin_function with add_builtin_function.
1363 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1364 lang_hooks.builtin_function with add_builtin_function.
1365 (altivec_init_builtins): Replace calls to
1366 lang_hooks.builtin_function with add_builtin_function.
1367 * config/arm/arm.c (def_mbuiltin): Replace calls to
1368 lang_hooks.builtin_function with add_builtin_function.
1369 (arm_init_tls_builtins): Replace calls to
1370 lang_hooks.builtin_function with add_builtin_function.
1371 * config/mips/mips.c (mips_init_builtins): Replace calls to
1372 lang_hooks.builtin_function with add_builtin_function.
1373 * config/bfin/bfin.c (def_builtin): Replace calls to
1374 lang_hooks.builtin_function with add_builtin_function.
1375 * langhooks-def.h (lhd_builtin_function): New function.
1376 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1378 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1380 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1381 BUILT_IN_STRNCAT_CHK.
1383 2006-10-23 Jan Hubicka <jh@suse.cz>
1385 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1386 don't do conversion from memmove to memcpy here.
1387 (expand_builtin_bcopy, expand_builtin): Update call of
1388 expand_builtin_memmove.
1389 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1391 2006-10-23 Paul Brook <paul@codesourcery.com>
1393 * stor-layout.c (start_record_layout): maximum_field_alignment
1394 overrides STRUCTURE_SIZE_BOUNDARY.
1396 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1398 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1399 nonlocal function symbols if flag_pic.
1401 2006-10-23 Richard Guenther <rguenther@suse.de>
1405 * builtins.c (fold_binary): Remove checks for flag_wrapv
1406 and flag_trapv where negate_expr_p covers these cases.
1408 2006-10-23 Richard Guenther <rguenther@suse.de>
1411 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1412 of two on the absolute value.
1413 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1414 and negating -C does not overflow.
1416 2006-10-23 Richard Guenther <rguenther@suse.de>
1419 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1420 only if not flag_rounding_math.
1422 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1423 Kaz Kojima <kkojima@gcc.gnu.org>
1426 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1427 SImode memory reference for the source of a movua.
1428 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1429 (movua): Use an unspec instead of sign_extract. Expect the source
1430 to have mode BLKmode.
1431 (extv, insv): Use a BLKmode rather than SImode memory reference
1432 for the source of a movua.
1434 2006-10-22 Jeff Law <law@redhat.com>
1435 Richard Guenther <rguenther@suse.de>
1437 PR tree-optimization/15911
1438 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1439 (register_edge_assert_for_1): Likewise.
1440 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1441 (find_conditional_asserts): Adjust for new function signature.
1442 (find_assert_locations): Likewise.
1444 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1446 * config/i386/tmmintrin.h: Remove the duplicated content.
1448 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1450 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1451 (x86_64-*-*): Likewise.
1453 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1454 (override_options): Check SSSE3.
1455 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1456 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1457 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1458 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1459 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1460 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1461 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1462 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1463 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1464 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1465 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1466 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1467 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1468 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1469 IX86_BUILTIN_PABSD128.
1470 (bdesc_2arg): Add SSSE3.
1471 (bdesc_1arg): Likewise.
1472 (ix86_init_mmx_sse_builtins): Support SSSE3.
1473 (ix86_expand_builtin): Likewise.
1474 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1476 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1477 (UNSPEC_PSIGN): Likewise.
1478 (UNSPEC_PALIGNR): Likewise.
1479 Include mmx.md before sse.md.
1481 * config/i386/i386.opt: Add -mssse3.
1483 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1484 (ssse3_phaddwv4hi3): Likewise.
1485 (ssse3_phadddv4si3): Likewise.
1486 (ssse3_phadddv2si3): Likewise.
1487 (ssse3_phaddswv8hi3): Likewise.
1488 (ssse3_phaddswv4hi3): Likewise.
1489 (ssse3_phsubwv8hi3): Likewise.
1490 (ssse3_phsubwv4hi3): Likewise.
1491 (ssse3_phsubdv4si3): Likewise.
1492 (ssse3_phsubdv2si3): Likewise.
1493 (ssse3_phsubswv8hi3): Likewise.
1494 (ssse3_phsubswv4hi3): Likewise.
1495 (ssse3_pmaddubswv8hi3): Likewise.
1496 (ssse3_pmaddubswv4hi3): Likewise.
1497 (ssse3_pmulhrswv8hi3): Likewise.
1498 (ssse3_pmulhrswv4hi3): Likewise.
1499 (ssse3_pshufbv16qi3): Likewise.
1500 (ssse3_pshufbv8qi3): Likewise.
1501 (ssse3_psign<mode>3): Likewise.
1502 (ssse3_psign<mode>3): Likewise.
1503 (ssse3_palignrti): Likewise.
1504 (ssse3_palignrdi): Likewise.
1505 (abs<mode>2): Likewise.
1506 (abs<mode>2): Likewise.
1508 * config/i386/tmmintrin.h: New file.
1510 * doc/extend.texi: Document SSSE3 built-in functions.
1512 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1514 2006-10-22 Ira Rosen <irar@il.ibm.com>
1516 * tree-vect-transform.c (vectorizable_load): Use the type of the
1517 return value of the mask_for_load builtin to create realign_load
1520 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1522 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1525 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1527 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1528 (UNSPEC_LDDQU): This.
1529 * config/i386/sse.md (sse3_lddqu): Updated.
1531 2006-10-21 Richard Guenther <rguenther@suse.de>
1533 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1534 (expand_builtin): Use it to expand lrint instead of
1535 expand_builtin_mathfn.
1537 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1540 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1541 flag_unsafe_math_optimizations is set.
1543 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1546 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1547 patterns to use memory input operand in x87->mem->XMM
1548 reload sequences. Skip transformation for TARGET_K8.
1550 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1552 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1553 force operand1 to register if both operands are memory operands.
1554 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1555 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1556 if both operands are memory operands.
1557 (truncdfsf2): Do not force operand1 to register if both operands
1558 are memory operands.
1560 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1562 * Makefile.in (LIBS): Add $(GMPLIBS).
1563 * doc/install.texi: Update GMP and MPFR requirements.
1564 * doc/sourcebuild.texi (need_gmp): Delete.
1566 2006-10-21 Richard Guenther <rguenther@suse.de>
1568 PR tree-optimization/3511
1569 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1570 got new invariant arguments during PHI translation.
1572 2006-10-21 Richard Guenther <rguenther@suse.de>
1575 * fold-const.c (fold_comparison): Fold signed comparisons
1576 of the form X +- C1 CMP Y +- C2.
1578 2006-10-21 Richard Guenther <rguenther@suse.de>
1581 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1582 if flag_unsafe_math_optimizations is specified. We have
1583 flag_finite_math_only for that.
1584 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1585 or flag_unsafe_math_optimizations.
1587 2006-10-21 Richard Guenther <rguenther@suse.de>
1589 * builtins.c (fold_builtin_classify): Fix typo.
1591 2006-10-21 Richard Guenther <rguenther@suse.de>
1594 * simplify-rtx.c (simplify_const_relational_operation):
1595 Do not constant-fold ORDERED and UNORDERED for
1596 flag_unsafe_math_optimizations but only we do not need to
1597 honor NaNs for the given mode.
1599 2006-10-21 Richard Guenther <rguenther@suse.de>
1602 * config/i386/i386.c (classify_argument): Remove redundant
1603 walking of the BINFOs.
1604 (contains_128bit_aligned_vector_p): Likewise.
1606 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1608 * BASE-VER: Set to 4.3.0.
1610 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1612 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1613 (tree_decl_with_vis): Remove artificial_pta_var flag.
1614 * tree-flow.h (referenced_var_check_and_insert): Expose.
1615 (nonlocal_all): New prototype.
1616 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1617 (nonlocal_all): Make global.
1618 (nonlocal_lookup): Remove.
1619 (nonlocal_insert): Ditto.
1620 (create_nonlocal_var): Do not call nonlocal_insert.
1621 (get_nonlocal_id_for_type): Remove.
1622 (find_global_initializers): Mark new vars we find for renaming.
1623 (intra_create_variable_infos): Only create one nonlocal.
1624 (expand_nonlocal_solutions): Remove.
1625 (compute_points_to_sets): Don't call it.
1626 (ipa_pta_execute): Ditto.
1627 (init_alias_heapvars): Don't create nonlocal_for_type.
1628 (delete_alias_heapvars): Don't remove it.
1629 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1632 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1634 * doc/install.texi (Downloading GCC): Clarify mention of
1635 Fortran in the "full distribution" description.
1637 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1639 Fix PR tree-optimization/28778
1640 Fix PR tree-optimization/29156
1641 Fix PR tree-optimization/29415
1642 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1643 (tree_decl_with_vis): Add artificial_pta_var flag.
1644 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1645 pushed into callers.
1646 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1647 (nonlocal_all): Ditto.
1648 (struct variable_info): Add directly_dereferenced member.
1649 (var_escaped_vars): New variable.
1650 (escaped_vars_tree): Ditto.
1651 (escaped_vars_id): Ditto.
1652 (nonlocal_vars_id): Ditto.
1653 (new_var_info): Set directly_dereferenced.
1654 (graph_size): New variable
1655 (build_constraint_graph): Use graph_size.
1656 (solve_graph): Don't process constraints that cannot change the
1657 solution, don't try to propagate an empty solution to our
1659 (process_constraint): Set directly_dereferenced.
1660 (could_have_pointers): New function.
1661 (get_constraint_for_component_ref): Don't process STRING_CST.
1662 (nonlocal_lookup): New function.
1663 (nonlocal_insert): Ditto.
1664 (create_nonlocal_var): Ditto.
1665 (get_nonlocal_id_for_type): Ditto.
1666 (get_constraint_for): Allow results vector to be empty in the case
1667 of string constants.
1668 Handle results of calls properly.
1669 (update_alias_info): Update alias info stats on number and type of
1671 (find_func_aliases): Use could_have_pointers.
1672 (make_constraint_from_escaped): Renamed from
1673 make_constraint_to_anything, and changed to make constraints from
1675 (make_constraint_to_escaped): New function.
1676 (find_global_initializers): Ditto.
1677 (create_variable_info_for): Make constraint from escaped to any
1678 global variable, and from any global variable to the set of
1680 (intra_create_variable_infos): Deal with escaped instead of
1681 pointing to anything.
1682 (set_uids_in_ptset): Do type pruning on directly dereferenced
1684 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1685 (init_base_vars): Fix comment, and initialize escaped_vars.
1686 (need_to_solve): Removed.
1687 (find_escape_constraints): New function.
1688 (expand_nonlocal_solutions): Ditto.
1689 (compute_points_to_sets): Call find_escape_constraints and
1690 expand_nonlocal_solutions.
1691 (delete_points_to_sets): Don't fall off the end of the graph.
1692 (init_alias_heapvars): Initialize nonlocal_for_type and
1694 (delete_alias_heapvars): Free nonlocal_for_type and null out
1697 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1699 * fold-const.c (add_double): Rename to add_double_with_sign.
1700 Add 'unsigned_p' parameter and take it into account for the overflow.
1701 (mul_double): Rename to mul_double_with_sign.
1702 Add 'unsigned_p' parameter and take it into account for the overflow.
1703 (fold_div_compare): Call add_double_with_sign instead of add_double
1704 and mul_double_with_sign instead of mul_double, passing them the
1705 unsignedness of the type.
1706 * tree.h (add_double): Macroize.
1707 (add_double_with_sign): New prototype.
1708 (mul_double): Macroize.
1709 (mul_double_with_sign): New prototype.
1711 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1713 * config/score/crti.asm: New file.
1714 * config/score/crtn.asm: New file.
1715 * config/score/elf.h: New file.
1716 * config/score/mac.md: New file.
1717 * config/score/misc.md: New file.
1718 * config/score/mul-div.S: New file.
1719 * config/score/predicates.md: New file.
1720 * config/score/score7.md: New file.
1721 * config/score/score.c: New file.
1722 * config/score/score-conv.h: New file.
1723 * config/score/score.h: New file.
1724 * config/score/score.md: New file.
1725 * config/score/score-mdaux.c: New file.
1726 * config/score/score-mdaux.h: New file.
1727 * config/score/score-modes.def: New file.
1728 * config/score/score.opt: New file.
1729 * config/score/score-protos.h: New file.
1730 * config/score/score-version.h: New file.
1731 * config/score/t-score-elf: New file.
1732 * config.gcc: Add score*-*-* configurations(Update before).
1733 * doc/invoke.texi (Score Options): New section.
1734 * doc/md.texi (Score family): New section to document constraints.
1736 2006-10-19 Nick Clifton <nickc@redhat.com>
1738 * config/arm/arm.c: Fix spelling typo.
1740 2006-10-18 Tom Tromey <tromey@redhat.com>
1742 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1744 2006-10-18 Jan Hubicka <jh@suse.cz>
1747 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1750 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1752 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1753 TSI_SAME_STMT, since that's the desired entity.
1755 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1757 * config/s390/contraints.md: New file.
1758 * config/s390/s390-protos.h (s390_mem_constraint,
1759 s390_O_constraint_str, s390_N_constraint_str,
1760 s390_float_const_zero_p): Function prototypes added.
1761 * config/s390/s390.c (s390_extra_constraint_str,
1762 s390_const_double_ok_for_constraint_p,
1763 s390_const_ok_for_constraint_p): Functions removed.
1764 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1765 s390_float_const_zero_p): New functions.
1766 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1767 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1768 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1769 Macro definitions removed.
1770 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1771 s390_extra_constraint_str): Functions removed.
1773 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1774 Richard Sandiford <richard@codesourcery.com>
1777 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1778 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1780 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1782 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1783 (DWARF2_FRAME_REG_OUT): Likewise.
1784 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1785 (DWARF2_FRAME_REG_OUT): Likewise.
1787 2006-10-17 Paul Brook <paul@codesourcery.com>
1789 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1791 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1793 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1794 Standardize on "GNU Fortran" as the official name of the Fortran
1797 2006-10-16 Mike Stump <mrs@apple.com>
1799 * doc/invoke.texi (Darwin Options): Document -mkernel.
1800 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1802 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1803 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1804 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1805 (OS_MISSING_ALTIVEC): Add.
1806 * config/i386/i386.c (override_options): Add
1807 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1808 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1809 -mkernel, -static or -mdynamic-no-pic is given.
1810 (C_COMMON_OVERRIDE_OPTIONS): Add.
1811 * config/darwin.opt (fapple-kext): Add.
1813 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1814 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1816 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1817 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1818 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1819 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1820 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1821 (flag_mkernel): Add.
1822 (flag_apple_kext): Add.
1823 (TARGET_KEXTABI): Add.
1824 * config/darwin.c (darwin_handle_kext_attribute): Add.
1825 (DARWIN_VTABLE_P): Add.
1826 (darwin_binds_local_p): Add partial support for rebinding vtables
1828 (darwin_kextabi_p): Add.
1829 (darwin_override_options): Add.
1830 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1831 (darwin_kextabi_p): Add.
1832 (darwin_override_options): Add.
1833 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1834 __DYNAMIC__ and __STATIC__ here.
1836 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1838 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1839 Added mention of "make pdf" target, and Texinfo requirements for
1842 2006-10-16 DJ Delorie <dj@redhat.com>
1844 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1845 into the GOT in case we need a subreg of the address.
1847 2006-10-16 Richard Guenther <rguenther@suse.de>
1850 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1851 SSE builtin documentation. Document SSE2 builtins.
1853 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1855 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1856 symbol in the output file for non-shared links when -nostdlib or
1857 -nodefaultlibs isn't specified.
1859 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1860 posix thread support.
1862 2006-10-15 Jan Hubicka <jh@suse.cz>
1865 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1866 declared always_inline even when not inlining.
1868 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1869 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1870 Andrew Pinski <pinskia@gmail.com>
1873 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1875 2006-10-15 Jan Hubicka <jh@suse.cz>
1876 Richard Guenther <rguenther@suse.de>
1879 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1880 process_function_and_variable_attributes on all variables, including
1881 those discovered during cgraph construction phase.
1883 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1885 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1887 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1889 * config/i386/athlon.md (athlon_fist): Add fisttp.
1891 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1892 Ian Lance Taylor <ian@airs.com>
1895 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1896 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1899 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1901 * config/score/score.c, config/score/score.h: Fix comment
1904 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1907 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1910 2006-10-13 Eric Christopher <echristo@apple.com>
1912 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1914 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1917 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1918 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1919 alignment supported by 32-bit ELF.
1921 2006-10-13 Eric Christopher <echristo@apple.com>
1923 * config/darwin.c (darwin_emit_unwind_label): Strip
1924 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1926 2006-10-13 Richard Guenther <rguenther@suse.de>
1928 PR tree-optimization/29446
1929 * tree-vrp.c (fix_equivalence_set): Remove.
1930 (extract_range_from_assert): Do not call fix_equivalence_set.
1931 (debug_value_range): Print a newline.
1932 (compare_name_with_value): For equivalence sets with
1933 inconsistent value ranges conservatively bail out.
1934 (compare_names): Likewise.
1936 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1938 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1939 and MPFR for gfortran.
1941 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1943 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1944 alignment supported by 32-bit ELF.
1946 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1950 * c-typeck.c (digest_init): Always allow initializing vectors
1951 that have static storage duration with compound literals.
1952 * tree.c (build_type_attribute_qual_variant): New, based on
1953 build_type_attribute_variant.
1954 (build_type_attribute_variant): Rewrite using the former.
1955 (make_vector_type): Use build_type_attribute_qual_variant to build
1956 type variants. Use type_hash_canon on the others.
1958 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1959 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1961 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1963 2006-10-12 Jan Hubicka <jh@suse.cz>
1966 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1967 current_function_decl is set but current_function_scope is not.
1969 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1971 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1972 emit_insn to emit eh_return_internal instruction.
1973 (eh_return_internal): Explicitly set pc.
1975 2006-10-11 Richard Guenther <rguenther@suse.de>
1977 PR tree-optimization/28230
1978 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1979 to the correct place.
1981 2006-10-11 Richard Guenther <rguenther@suse.de>
1984 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1987 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1989 * configure.ac: Added pdf to "Make-hooks"
1990 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1991 targets and *.pdf file patterns in cleanup targets.
1992 * configure: Regenerated.
1994 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1996 * config/avr/predicates.md: New file.
1997 * config/avr/avr.md: Include it.
1998 (REG_SP): New constant.
1999 (peepholes): Use predicates.
2000 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
2001 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
2002 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
2004 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
2006 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
2009 2006-10-10 Jakub Jelinek <jakub@redhat.com>
2012 * builtins.c (var_decl_component_p): New function.
2013 (fold_builtin_memset, fold_builtin_memory_op): Restrict
2014 single entry optimization to variables and components thereof.
2016 2006-10-10 Richard Guenther <rguenther@suse.de>
2018 PR rtl-optimization/29323
2019 * except.c (set_nothrow_function_flags): For functions
2020 that do not bind local bail out early.
2022 2006-10-10 Ben Elliston <bje@au.ibm.com>
2024 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2027 2006-10-09 Richard Henderson <rth@redhat.com>
2029 Revert emutls patch.
2031 2006-10-09 Richard Guenther <rguenther@suse.de>
2034 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2037 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2040 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2041 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2042 * configure: Regenerate.
2043 * config.in: Regenerate.
2045 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2047 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2049 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2051 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2052 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2053 Remove stray newline.
2055 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2057 * config/mips/mips.c (mips_classify_symbol): Do not return
2058 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2059 (mips_in_small_data_p): Tweak comments.
2061 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2063 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2065 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2067 * gimplify.c, sched-int.h: Fix comment typos.
2069 * sched-int.h: Fix comment typos.
2071 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2073 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2075 * sched-ebb.c (begin_schedule_ready): Use them.
2076 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2077 add_to_speculative_block, create_check_block_twin, speculate_insn,
2078 fix_jump_move, move_block_after_check): Ditto.
2079 * sched-rgn.c (new_ready): Ditto.
2081 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2083 PR rtl-optimization/29128
2084 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2085 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2086 allow interblock movement of speculation checks.
2088 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2091 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2092 casted to integer type.
2093 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2094 if they are significantly more expensive than [reg + index] ones.
2096 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2098 PR tree-optimization/29330
2099 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2100 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2101 on newly allocated ddrs.
2102 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2103 to VEC (loop_p, heap) pointer.
2104 (compute_data_dependences_for_loop): Adjust caller.
2105 (free_dependence_relations): Free DDR_LOOP_NEST.
2107 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2108 free DEPENDENCE_RELATIONS and DATAREFS.
2111 * builtins.c (expand_builtin_sync_operation,
2112 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2113 Use convert_to_mode to handle promoted arguments.
2115 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2117 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2119 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2121 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2123 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2125 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2126 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2127 Use <modeconstraint> instead of "r" as operand 1 constraint.
2129 2006-10-06 Olivier Hainque <hainque@adacore.com>
2131 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2132 Don't recurse on the pointed-to type.
2133 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2134 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2135 types with components of variable size.
2137 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2139 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2141 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2143 PR tree-optimization/29290
2144 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2148 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2149 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2152 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2153 the number of vector elements fill the rest with zeros.
2155 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2157 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2158 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2161 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2163 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2164 unnamed pattern into subsi3. Use correct constraints/predicates.
2165 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2166 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2168 2006-10-05 Ira Rosen <irar@il.ibm.com>
2170 * doc/loop.texi: Add data references analysis description.
2172 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2174 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2176 2006-10-04 Richard Henderson <rth@redhat.com>
2177 Jakub Jelinek <jakub@redhat.com>
2179 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2180 * builtin-types.def (BT_WORD): Make unsigned.
2181 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2182 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2183 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2184 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2185 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2186 * cgraph.c (decide_is_variable_needed): Look at force_output.
2187 Recurse for emulated tls.
2188 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2189 checks redundant with decide_is_variable_needed.
2190 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2191 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2193 * expr.c (emutls_var_address): New.
2194 (expand_expr_real_1): Expand emulated tls.
2195 (expand_expr_addr_expr_1): Likewise.
2196 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2197 * output.h (emutls_finish): Declare.
2198 * toplev.c (compile_file): Call it.
2199 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2200 address before wrapping in CONST.
2201 * varasm.c (emutls_htab, emutls_object_type): New.
2202 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2203 (get_emutls_object_name, get_emutls_object_type): New.
2204 (get_emutls_init_templ_addr, emutls_decl): New.
2205 (emutls_common_1, emutls_finish): New.
2206 (assemble_variable): When emulating tls, swap decls; generate
2207 constructor for the emutls objects.
2208 (do_assemble_alias): When emulating tls, swap decl and target name.
2209 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2211 * emutls.c: New file.
2212 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2213 tls_object for real tls.
2215 2006-10-04 Zack Weinberg <zackw@panix.com>
2217 Fix bug in constraint-check generator, reported by Rask Ingemann
2219 * genpreds.c (add_constraint): Don't remove anything from the
2221 (write_tm_constrs_h): Detect whether "op" argument is used, and
2222 mark it ARG_UNUSED if it isn't.
2223 (write_insn_const_int_ok_for_constraint): Skip the part of the
2224 expression that would test whether "op" (which is not available
2225 here) is a CONST_INT.
2227 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2230 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2232 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2234 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2235 current Leopard versions.
2236 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2238 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2240 * doc/install.texi: Fix typos.
2242 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2244 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2245 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2246 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2248 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2250 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2251 arg to be struct mach_header_64* instead.
2253 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2256 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2257 side effects after the outer expression's post side effects.
2259 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2261 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2262 comments to reflect actual behavior and relationship between
2263 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2265 * doc/c-tree.texi (Working with declarations): Fix documentation
2266 of FIELD_DECL likewise.
2268 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2271 * doc/extend.texi: Add used variable attribute description.
2273 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2276 * c.opt (Woverride-init): New.
2277 * c-opts.c (c_common_post_options): Default warn_override_init to
2279 * c-typeck.c (add_pending_init, output_init_element): Warn for
2280 overriding initializers without side effects.
2281 * doc/invoke.texi (-Woverride-init): Document.
2284 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2286 PR rtl-optimization/28096
2287 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2288 assignment has already been used as a destination earlier in the block.
2290 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2292 * builtins.c (expand_builtin_setjmp): Delete.
2293 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2294 <BUILT_IN_SETJMP_SETUP>: New case.
2295 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2296 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2297 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2298 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2299 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2300 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2301 (lower_function_body): Initialize it to false. If it is set to true
2302 at the end of the processing, emit the setjmp dispatcher.
2303 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2304 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2305 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2306 on the rhs of the assignment.
2307 (lower_builtin_setjmp): New function.
2308 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2309 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2310 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2311 to detect calls that can go to non-local labels. Use specific
2312 helper to create the abnormal edges associated with them.
2313 <MODIFY_EXPR>: Likewise.
2314 (make_abnormal_goto_edges): New function extracted from...
2315 (make_goto_expr_edges): ...here. Call it for computed gotos.
2316 (simple_goto_p): Minor tweak.
2317 (tree_can_make_abnormal_goto): New predicate.
2318 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2319 (tree_purge_dead_abnormal_call_edges): New function.
2320 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2321 (tree_purge_dead_abnormal_call_edges): Likewise.
2322 (make_abnormal_goto_edges): Likewise.
2323 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2324 Purge all dead abnormal edges if the call was in the last statement.
2325 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2326 (execute_fixup_cfg): If there are non-local labels in the function,
2327 scan the basic blocks and split them at calls that can go to non-local
2328 labels or add missing abnormal call edges. Write down the CFG in the
2330 (pass_fixup_cfg): Remove TODO_dump_func flag.
2331 * unwind-sjlj.c: Poison setjmp.
2332 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2333 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2334 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2335 (DONT_USE_BUILTIN_SETJMP): Document it.
2337 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2340 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2341 to 1 when __ppc64__ is defined.
2342 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2344 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2346 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2348 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2349 * config/ia64/unwind-hpux.c: Delete.
2351 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2353 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2354 on the element before gimplifying it, instead of punting if it is of
2357 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2359 * doc/loop.texi: New file.
2360 * doc/gccint.texi: Reference loop.texi.
2361 * Makefile.in (loop.texi): Add.
2363 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2365 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2367 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2368 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2370 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2372 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2374 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2376 * doc/install.texi: Document required versions of GMP and MPFR.
2378 2006-09-27 Paul Brook <paul@codesourcery.com>
2381 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2383 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2385 * reload1.c (alter_reg): Require the alignment of the stack slot to
2386 be at least reg_max_ref_width bytes.
2387 (scan_paradoxical_subregs): Record the largest width in
2390 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2394 * tree-nested.c (struct nesting_info): Added static_chain_added.
2395 (convert_call_expr): Set static_chain_added when adding static
2396 chain. Handle OMP_PARALLEL and OMP_SECTION.
2398 2006-09-25 Matthias Klose <doko@debian.org>
2400 * doc/invoke.texi: Add missing full stop.
2402 2006-09-25 Richard Henderson <rth@redhat.com>
2404 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2405 before cgraph_function_flags_ready.
2407 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2408 Adam Nemet <anemet@caviumnetworks.com>
2410 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2411 determine_common_wider_type): New functions.
2412 (get_computation_aff): Use them to simplify arithmetic between
2413 UBASE and CBASE if they are shortened from the same type.
2415 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2418 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2419 -2147483647 - 1 instead of 0x80000000.
2421 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2423 * flags.h (HONOR_NANS): Fix typo in comment.
2425 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2427 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2429 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2433 * tree.c (merge_attributes, attribute_list_contained): If both
2434 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2436 * c-typeck.c (comptypes_internal): Don't consider aggregates
2437 in different TUs as compatible if there one set of attributes is
2438 not a subset of the other type's attributes.
2439 (composite_type): Try harder not to create a new aggregate type.
2441 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2443 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2444 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2445 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2446 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2447 than replicating condition above.
2448 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2450 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2451 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2452 the linker by default.
2454 2006-09-22 Mike Stump <mrs@apple.com>
2456 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2459 2006-09-22 Richard Guenther <rguenther@suse.de>
2462 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2463 sort of stack variables stable.
2465 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2468 * explow.c (force_reg): Set REG_POINTER flag according to
2471 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2473 PR tree-optimization/28888
2474 * tree-if-conv.c (combine_blocks): Rewritten.
2475 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2476 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2478 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2480 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2483 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2485 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2487 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2489 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2491 2006-09-21 Roger Sayle <roger@eyesopen.com>
2494 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2495 dw_fde_current_label, to be the start of the function, i.e. the same
2496 value as dw_fde_begin.
2498 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2500 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2501 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2502 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2503 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2504 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2505 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2506 (abs<mode>2, neg<mode>2): Likewise.
2507 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2508 (*mips_abs_ps): New define_insn.
2510 2006-09-20 Josh Conner <jconner@apple.com>
2513 * calls.c (expand_call): Allow reuse of structure return stack
2516 2006-09-20 Paul Brook <paul@codesourcery.com>
2518 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2521 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2523 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2524 clean up terminology.
2526 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2529 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2530 with tablejumps in them.
2532 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2535 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2536 wrap it into TARGET_EXPR.
2538 2006-09-20 Eric Christopher <echristo@apple.com>
2540 * config/i386/i386.c (x86_fisttp): Remove.
2541 * config/i386/i386.h (x86_fisttp): Ditto.
2542 (TARGET_FISTTP): Ditto.
2544 2006-09-19 Eric Christopher <echristo@apple.com>
2546 * doc/tm.texi (OBJC_JBLEN): Describe.
2547 * config/i386/darwin.h (OBJC_JBLEN): Define.
2548 * config/rs6000/darwin.h: Ditto.
2550 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2552 PR rtl-optimization/21299
2553 * reload1.c (reload): Purge invalid ASMs in the final pass.
2555 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2558 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2559 pointers as legitimate constants.
2561 2006-09-19 Paul Brook <paul@codesourcery.com>
2564 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2566 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2568 PR tree-optimization/28887
2569 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2570 component parts from the reference.
2571 (gather_memory_references_ref): Record the reference without the
2572 nonaddressable component parts.
2574 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2577 * c-opts.c (c_common_handle_option): Ignore the -std options
2578 if the input language is assembly.
2580 2006-09-17 Ira Rosen <irar@il.ibm.com>
2583 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2585 (ptr_ptr_may_alias_p): Likewise.
2586 (record_record_differ_p): New function.
2587 (base_object_differ_p): Call record_record_differ_p.
2589 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2592 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2593 away for the expr argument.
2595 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2598 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2599 before using it for dumping after vectorizing loops.
2601 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2602 Jack Howarth <howarth@bromo.med.uc.edu>
2605 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2606 skip on error_mark_node.
2607 (rs6000_darwin64_record_arg_recurse): Likewise.
2609 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2611 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2612 * doc/rtl.texi: Remove related documentation.
2614 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2616 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2619 2006-09-15 Jim Wilson <wilson@specifix.com>
2621 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2622 Handle symbol offsets same as they are handled in ia64_expand_move
2625 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2627 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2628 Add forgotten parameter to the fprintf call.
2630 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2632 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2634 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2636 * doc/contrib.texi: Add my entry.
2638 2006-09-15 Nick Clifton <nickc@redhat.com>
2640 * doc/md.texi (Processor pipeline description): Fix typo in
2641 example of how to use the absence_set directive and reword the
2642 description to make it slightly easier to read.
2644 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2646 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2647 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2648 expanding the number of iterations.
2649 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2651 * cfgrtl.c (emit_insn_at_entry): New function.
2652 * rtl.h (emit_insn_at_entry): Declare it.
2653 * integrate.c (emit_initial_value_sets): Use it.
2655 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2657 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2659 (struct loop_work and related VEC declarations): Delete.
2660 (bfin_dump_loops): Print out new member bad.
2661 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2662 (bfin_scan_loop): Don't recurse.
2663 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2664 loops. No longer need to update outer loops if the current one is
2665 found bad. Move some validitiy checks to bfin_discover_loop.
2666 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2667 but changed not to check for nesting. Also changed to use the new bad
2669 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2670 time. Use bitmap based test to discover loop nesting.
2672 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2674 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2677 2006-09-14 Richard Guenther <rguenther@suse.de>
2678 Kazu Hirata <kazu@codesourcery.com>
2680 PR middle-end/28884.
2681 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2682 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2683 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2684 with TARGET_FUNCTION_VALUE.
2686 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2689 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2691 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2693 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2696 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2699 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2702 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2704 * basic_block.h (bb_has_eh_pred): Fix comment.
2706 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2708 * flow.c (calculate_global_regs_live): Invalidate eh registers
2709 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2710 (propagate_block): Handle eh registers as if they were set at basic
2712 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2714 * global.c (global_conflicts): Make eh registers to conflict with
2715 pseudos live at basic block begin.
2716 * basic_block.h (bb_has_eh_pred): New function.
2718 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2720 PR rtl-optimization/28982
2721 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2722 index of a PRE_MODIFY or POST_MODIFY address.
2723 * reload1.c (inc_for_reload): Use find_replacement on the original
2724 base and index registers.
2726 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2728 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2729 for -Os. Update __m128 alignment requirement.
2731 2006-09-13 Jan Hubicka <jh@suse.cz>
2733 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2735 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2737 PR rtl-optimization/28243
2738 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2739 the insn to which the note was originally attached.
2741 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2742 Roger Sayle <roger@eyesopen.com>
2744 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2745 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2746 on platforms that don't use dwarf for debug info.
2748 2006-09-12 Jason Merrill <jason@redhat.com>
2751 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2752 hard_frame_pointer_rtx after using it to update the frame pointer.
2754 2006-09-12 Roger Sayle <roger@eyesopen.com>
2756 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2757 (TARGET_ASM_CLOSE_PAREN): Likewise.
2758 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2759 (TARGET_ASM_CLOSE_PAREN): Likewise.
2761 2006-09-12 Roger Sayle <roger@eyesopen.com>
2764 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2765 frame information for frames larger than 512 Kbytes on Tru64 when
2766 using the native assembler.
2768 2006-09-12 Roger Sayle <roger@eyesopen.com>
2772 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2773 and symbols. Instead use the implementation from cse.c's hash_rtx.
2775 2006-09-12 Jan Hubicka <jh@suse.cz>
2777 PR rtl-optimization/28071
2778 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2779 (vect_transform_loop): Likewise.
2780 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2781 (new_loop_vec_info): Likewise.
2782 (destroy_loop_vec_info): Likewise.
2783 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2784 (create_stmt_ann): Likewise.
2785 (create_tree_ann): Rename to ...
2786 (create_tree_common_ann): ... this one; allocate only the common part
2788 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2789 (get_value_handle): Likewise.
2790 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2791 get_tree_common_ann.
2792 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2793 (vinfo_for_stmt): Use stmt annotations.
2794 * tree-flow.h (tree_ann_common_t): New type.
2795 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2796 (tree_ann, get_tree_ann, create_tree_ann): New.
2797 * tree-flow-inline.h (get_function_ann): Do more type checking.
2798 (stmt_ann): Likewise.
2799 (tree_ann): Rename to ...
2800 (tree_common_ann): ... this one; return ony common_ann
2801 (get_tree_ann): Rename to ...
2802 (tree_common_ann): This one; return only common_ann.
2803 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2806 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2808 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2809 with_cpu by default.
2811 * dwarf2out.c (dwarf_file_data): New.
2812 (enum dw_val_class): Add dw_val_class_file.
2813 (struct dw_val_struct): Add val_file.
2814 (file_table): Change to a hash table.
2815 (file_table_emitted): Delete.
2816 (file_table_last_lookup_index): Delete.
2817 (emitcount): Delete.
2818 (last_emitted_file): New.
2819 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2820 (init_file_table): Delete.
2821 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2822 (AT_addr): Add comment.
2826 (print_die): Handle dw_val_class_file.
2827 (print_dwarf_line_table): Update for new file table structure.
2828 (attr_checksum): Do checksum a filename.
2829 (same_dw_val_p, same_attr_p): Do compare a filename.
2830 (size_of_die): Handle dw_val_class_file.
2831 (value_format): Likewise.
2832 (output_die): Likewise. Also, call maybe_emit_file here.
2833 (struct file_info): Constify filenames. Make file_idx a pointer
2834 to a struct dwarf_file_data.
2835 (struct dir_info): Constify directory names. Remove 'used' field.
2836 (struct file_name_acquire_data): New.
2837 (file_name_acquire): New.
2838 (output_file_names): Modify to handle new file data structures.
2839 (add_src_coords_attributes): Use add_AT_file.
2840 (add_call_src_coords_attributes): Likewise.
2841 (dwarf2out_imported_module_or_decl): Likewise.
2842 (gen_subprogram_die): Modify for new file data structures.
2843 (gen_variable_die): Likewise.
2844 (file_table_eq): New.
2845 (file_table_hash): New.
2846 (file_table_last_lookup): New.
2847 (lookup_filename): Rewrite to handle new file data structures.
2848 (maybe_emit_file): Rewrite to handle new file data structures.
2849 (dwarf2out_source_line): Always call lookup_filename and
2851 (dwarf2out_init): Create file_table here.
2852 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2853 (file_table_relative_p): New.
2854 (dwarf2out_finish): Change detection of relative filenames
2855 to work with new file data structures. Move output_line_info call
2856 after debug_info output.
2858 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2863 * config/i386/i386.c (override_options): Always default to 16
2864 byte stack boundary.
2866 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2869 * var-tracking.c (dump_dataflow_set): Start dumping at
2871 (clobber_variable_part): Kill only the variable part in
2872 registers holding it, leaving other variables alone.
2874 2006-09-11 Josh Triplett <josh@freedesktop.org>
2876 * doc/extend.texi (Other Builtins): Actually use the macro
2877 argument in the documentation example for
2878 __builtin_types_compatible_p.
2880 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2882 PR rtl-optimization/28726
2883 * sched-deps.c (sched_analyze_reg): New function extracted from...
2884 (sched_analyze_1): ...here. Call it to analyze references to
2885 registers. Treat again writes to a stack register as writing to the
2887 (sched_analyze_2): ...and here. Call it to analyze references to
2888 registers. Treat again reads of a stack register as reading the
2891 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2892 David Edelsohn <edelsohn@gnu.org>
2895 * config/rs6000/spe.md (frob_df_di): Remove %H.
2896 (frob_di_df): Remove %H. Change evmergelo to mr.
2897 (frob_di_df_2): Remove %H. Change evldd to two loads.
2899 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2901 * doc/cpp.texi: Fix names of charset options.
2903 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2906 * config/i386/i386.c (override_options): Use 128-bit
2907 stack boundary always for 64bits.
2909 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2911 PR rtl-optimization/28636
2912 * combine.c (force_to_mode): Test for side-effects before
2913 substituting by zero.
2914 (simplify_shift_const): Likewise for zero or other constants.
2916 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2919 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2922 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2925 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2926 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2927 returned by mode_for_size, rather than the mode of src itself,
2928 to choose between 32-bit and 64-bit patterns.
2929 (mips_mem_fits_mode_p): New function.
2930 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2931 that the size of the source matches the size of the destination.
2932 (mov_<store>l, mov_<store>r): Likewise.
2934 2006-09-10 Eric Christopher <echristo@apple.com>
2936 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2939 2006-09-09 Eric Christopher <echristo@apple.com>
2942 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2945 2006-09-09 Roger Sayle <roger@eyesopen.com>
2946 Nicolas Setton <setton@adacore.com>
2948 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2950 2006-09-10 Andreas Schwab <schwab@suse.de>
2952 * config/m68k/m68k.md (bungt_rev): New pattern.
2954 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2955 Dale Johannesen <dalej@apple.com>
2958 * regclass.c (struct reg_pref): Update documentation.
2959 (regclass): Set prefclass to NO_REGS if memory is the best option.
2960 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2962 2006-09-08 Eric Christopher <echristo@apple.com>
2964 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2965 * config/t-slibgcc-darwin: Support x86_64 multilib.
2966 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2967 Return 1 for x86_64-darwin.
2968 * config/i386/t-darwin: Add m64 multilib.
2969 (LIB2_SIDITI_CONV_FUNCS): Use.
2970 (LIB2FUNCS_EXTRA): Ditto.
2971 * config/i386/darwin.h: Support x86_64.
2972 * config/i386/i386.c (override_options): Turn on flag_pic
2973 for x86_64-darwin. Disable flag_omit_pointer.
2974 (get_pc_thunk_name): Assert !TARGET_64BIT.
2975 (legitimate_address_p): Disable machopic addressing for
2977 (legitimize_pic_address): Ditto.
2978 (ix86_expand_move): Ditto.
2979 (ix86_expand_call): Ditto.
2980 (machopic_output_stub): Ditto.
2981 * config/darwin.c (machopic_select_section): Support literal16.
2982 (machopic_select_rtx_section): Ditto.
2983 * config/darwin-sections.def: Ditto.
2984 * config/darwin-64.c: New.
2986 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2989 * c-tree.h (struct c_arg_info): Add pending_sizes.
2990 * c-parser.c (c_parser_parms_declarator,
2991 c_parser_parms_list_declarator): Initialize pending_sizes.
2992 * c-decl.c (get_parm_info): Initialize pending_sizes.
2993 (get_parm_info): Set pending_sizes.
2994 (grokdeclarator): Call put_pending_sizes for parameters for
2995 function definition only.
2997 2006-09-07 Jason Merrill <jason@redhat.com>
3000 * varasm.c (output_constant): Only strip actual no-op conversions.
3003 * config/i386/i386.c (override_options): Use 128-bit
3004 stack boundary if -msse.
3006 2006-09-07 Eric Christopher <echristo@apple.com>
3008 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
3010 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
3013 2006-09-07 Geoffrey Keating <geoffk@apple.com>
3015 * dwarf2out.c: Remove strange characters from comment above
3016 dwarf2out_frame_debug_expr.
3018 2006-09-07 Eric Christopher <echristo@apple.com>
3020 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3021 * config/darwin.h: ... to here.
3023 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3025 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3027 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3028 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3030 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3031 TARGET_PARTIAL_FLAG_REG_STALL.
3032 (*ashldi3_cconly_rex64): Likewise.
3033 (*ashlsi3_cmp): Likewise.
3034 (*ashlsi3_cconly): Likewise.
3035 (*ashlsi3_cmp_zext): Likewise.
3036 (*ashlhi3_cmp): Likewise.
3037 (*ashlhi3_cconly): Likewise.
3038 (*ashlqi3_cmp): Likewise.
3039 (*ashlqi3_cconly): Likewise.
3040 (*ashrdi3_cmp_rex64): Likewise.
3041 (*ashrdi3_cconly_rex64): Likewise.
3042 (*ashrsi3_cmp): Likewise.
3043 (*ashrsi3_cconly): Likewise.
3044 (*ashrsi3_cmp_zext): Likewise.
3045 (*ashrhi3_cmp): Likewise.
3046 (*ashrhi3_cconly): Likewise.
3047 (*ashrqi3_cmp): Likewise.
3048 (*ashrqi3_cconly): Likewise.
3049 (*lshrdi3_cmp_rex64): Likewise.
3050 (*lshrdi3_cconly_rex64): Likewise.
3051 (*lshrsi3_cmp): Likewise.
3052 (*lshrsi3_cconly): Likewise.
3053 (*lshrsi3_cmp_zext): Likewise.
3054 (*lshrhi3_cmp): Likewise.
3055 (*lshrhi3_cconly): Likewise.
3056 (*lshrqi2_cmp): Likewise.
3057 (*lshrqi2_cconly): Likewise.
3059 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3062 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3063 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3064 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3065 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3066 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3067 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3068 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3069 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3070 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3071 implement only CC setting effects of shift instructions.
3073 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3075 * doc/contrib.texi: Add myself.
3077 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3080 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3081 was set by the user.
3083 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3086 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3087 (divsi_inv_m1): Use them.
3088 (UNSPEC_DIV_INV_TABLE): New constant.
3090 2006-09-06 James E Wilson <wilson@specifix.com>
3093 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3094 then call count_or_remove_death_notes.
3096 2006-09-06 Jason Merrill <jason@redhat.com>
3099 * tree-inline.c (copy_result_decl_to_var): New fn.
3100 (declare_return_variable): Use it. Call declare_inline_vars here.
3101 (expand_call_inline): Not here.
3103 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3105 * doc/contrib.texi: Update my entry.
3107 2006-09-06 Nick Clifton <nickc@redhat.com>
3109 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3111 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3114 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3115 (canonicalize_induction_variables): Likewise.
3116 (tree_unroll_loops_completely): Likewise.
3117 (tree_ssa_prefetch_arrays): Likewise.
3118 (remove_empty_loops): Likewise.
3119 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3120 TODO_cleanup_cfg instead of directly calling
3121 cleanup_tree_cfg_loop.
3122 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3124 (tree_unroll_loops_completely): Likewise.
3125 (remove_empty_loops): Likewise.
3126 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3127 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3128 of tree_ssa_unswitch_loops.
3129 (tree_ssa_loop_ivcanon): Use the return value of
3130 canonicalize_induction_variables.
3131 (tree_ssa_empty_loop): Use the return value of
3133 (tree_complete_unroll): Use the return value of
3134 tree_unroll_loops_completely.
3135 (tree_ssa_loop_prefetch): Use the return value of
3136 tree_ssa_prefetch_arrays.
3137 * passes.c (execute_todo): Before Cleanup CFG, set
3138 updating_used_alone and after cleanup CFG, call
3139 recalculate_used_alone.
3141 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3144 * tree-vect-transform.c (vectorizable_condition): Move the check
3145 for the type after the check for simple condition.
3147 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3148 Kaz Kojima <kkojima@gcc.gnu.org>
3151 * mode-switching.c (optimize_mode_switching): Make the destination
3152 block of an abnormal edge have no anticipatable mode. Don't
3153 insert mode switching code at the end of the source block of
3156 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3158 PR rtl-optimization/26847
3159 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3160 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3161 (simplify_plus_minus): Count n_constants while filling ops. Replace
3162 qsort with insertion sort. Before going through the array to simplify
3163 pairs, sort it. Delay early exit until after the first sort, exiting
3164 only if no swaps occurred. Simplify pairs in reversed order, without
3165 special-casing the first iteration. Pack ops after simplifying pairs.
3167 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3169 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3170 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3171 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3172 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3174 2006-09-05 Richard Guenther <rguenther@suse.de>
3176 PR tree-optimization/28900
3177 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3178 compound conditional before creating COND_EXPR condition.
3180 2006-09-05 Richard Guenther <rguenther@suse.de>
3182 PR tree-optimization/28905
3183 * tree-vrp.c (fix_equivalence_set): Manually implement
3184 !value_ranges_intersect_p to also handle symbolic ranges.
3186 2006-09-05 Richard Guenther <rguenther@suse.de>
3189 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3192 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3194 PR rtl-optimization/27616
3195 * cse.c (table_size): New static variable.
3196 (new_basic_block): Initialize it to 0.
3197 (remove_from_table): Decrement it.
3198 (insert): Increment it.
3199 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3200 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3201 fold_rtx_mem_1 if under the cap.
3202 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3203 the lookup of the equivalent expression and test for equality of the
3204 first operand of the equivalent expression before in turn looking up
3205 an equivalent constant for the second operand.
3207 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3210 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3211 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3212 pointer, instead of assuming it is possible to derive the
3213 correct args size from a call insn.
3215 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3218 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3219 (fold_builtin_mempcpy): Rename to...
3220 (fold_builtin_memory_op): ... this. Optimize one element copy
3222 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3224 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3225 (expand_builtin_memcpy, expand_builtin_mempcpy,
3226 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3227 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3228 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3229 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3231 2006-09-01 DJ Delorie <dj@redhat.com>
3233 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3234 (stzx_16): Likewise.
3235 ("stzx_24_<mode>"): Likewise.
3236 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3237 ("cmp<mode>_op"): New.
3238 (cmp<mode>): Change to expander; just save operands.
3240 (b<code>): Change to expander, emit compare here.
3241 (s<code>_op): Change to use split and expander.
3242 (s<code>_24_op): Likewise.
3243 (s<code>_<mode>): New.
3244 (s<code>_<mode>_24): New.
3245 (movqicc_<code>_<mode): New.
3246 (movhicc_<code>_<mode>): New.
3249 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3250 (m32c_pend_compare): New.
3251 (m32c_unpend_compare): New.
3252 (m32c_expand_scc): New.
3253 (m32c_expand_movcc): Emit the compare also.
3254 * config/m32c/predicates.md (mra_nopp_operand): New.
3256 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3257 Richard Guenther <rguenther@suse.de>
3258 Adam Nemet <anemet@caviumnetworks.com>
3261 * builtins.c (get_pointer_alignment): Handle more forms
3262 of base addresses that can be used to derive more precise
3263 information about alignment.
3265 2006-09-01 Jason Merrill <jason@redhat.com>
3268 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3271 * gimplify.c (voidify_wrapper_expr): Handle null type.
3273 2006-09-01 Josh Conner <jconner@apple.com>
3276 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3277 (execute_return_slot_opt): Use it.
3279 2006-08-31 Josh Conner <jconner@apple.com>
3282 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3283 returning aggregates.
3285 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3287 PR tree-optimization/28839
3288 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3289 blocks in that phi arguments appear.
3291 2006-08-31 Roger Sayle <roger@eyesopen.com>
3294 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3295 NULL, otherwise use an advance_loc4 to adjust relative to the
3297 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3298 (dwarf2out_switch_text_section): Reset the current label to avoid
3299 using advance_loc4 over section boundaries.
3301 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3304 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3305 r12 + SYMBOLIC_CONST.
3307 2006-08-30 Richard Guenther <rguenther@suse.de>
3309 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3311 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3313 PR rtl-optimization/27735
3314 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3315 Add new argument to keep track of whether an irreducible region
3316 was affected. All callers changed.
3317 (fix_irreducible_loops): Removed.
3318 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3319 flags were invalidated.
3321 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3323 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3324 instead of SF operands.
3325 (*fop_df_comm_sse): Likewise.
3326 (*fop_df_comm_i387): Likewise.
3327 (*fop_df_1_mixed): Likewise.
3328 (*fop_df_1_sse): Likewise.
3330 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3331 J"orn Rennecke <joern.rennecke@st.com>
3333 PR tree-optimization/17506
3334 * tree-ssa.c (warn_uninit): If warning about a location outside of
3335 the current function, note where the variable was declared.
3337 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3339 PR tree-optimization/28411
3340 * double-int.c (double_int_div): Use double_int_divmod.
3341 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3342 double_int_mod, double_int_smod, double_int_umod): New functions.
3343 * double-int.h (double_int_divmod, double_int_sdivmod,
3344 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3346 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3348 (get_computation_aff, get_computation_cost_at): Handle double_int
3349 return type of constant_multiple_of.
3351 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3354 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3355 an implicit conversion.
3357 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3359 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3361 2006-08-27 Roger Sayle <roger@eyesopen.com>
3363 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3366 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3368 * config/i386/crtfastmath.c: Fix a comment typo.
3370 2006-08-26 Roger Sayle <roger@eyesopen.com>
3372 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3373 temporary visit flags on CASE_LABEL_EXPRs.
3374 * c-common.c (match_case_to_enum): Add function comment. Avoid
3375 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3376 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3377 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3378 a constant, only warn if that constant value isn't handled.
3380 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3383 * input.h (restore_input_file_stack): Declare.
3384 (INPUT_FILE_STACK_BITS): Define.
3385 * toplev.c (fs_p, input_file_stack_history,
3386 input_file_stack_restored, restore_input_file_stack): New.
3387 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3388 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3389 (pop_srcloc): Don't free old state of stack.
3391 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3394 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3395 (PowerPC Type Attributes): New.
3397 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3399 * config/xtensa/xtensa.c (function_arg_boundary): New.
3400 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3402 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3403 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3405 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3408 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3411 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3413 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3414 (verify_local_live_at_start): Likewise.
3416 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3419 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3420 omp_add_variable): Treat sizes as variable whenever not
3423 2006-08-26 Richard Guenther <rguenther@suse.de>
3426 * fold-const.c (fold_binary): Fold temporary to correct
3427 type before constructing new comparison.
3429 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3432 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3433 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3435 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3438 * c-decl.c (start_function): Don't try to process prototype
3439 information from old declaration that isn't a function.
3441 2006-08-25 Jan Hubicka <jh@suse.cz>
3444 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3446 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3449 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3452 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3454 PR tree-optimization/16876
3455 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3456 exit if PARM doesn't match VALUE.
3458 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3460 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3461 literal_prefix directive.
3462 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3463 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3464 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3466 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3469 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3470 predicate to general_operand. Add 0->y and I->r alternatives.
3472 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3474 * doc/tm.texi: Fix a typo.
3475 * predict.c: Fix comment typos.
3477 2006-08-25 Nick Clifton <nickc@redhat.com>
3479 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3480 assertions of "cpu" and "machine".
3482 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3485 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3486 the access through a base which has an alias set of 0 cannot
3489 2006-08-24 Bill Wendling <wendling@apple.com>
3491 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3493 2006-08-24 Jan Hubicka <jh@suse.cz>
3495 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3497 2006-08-24 Jan Hubicka <jh@suse.cz>
3500 * cgraph.c: Fix comments.
3501 (cgraph_varpool_mark_needed_node): Mark only variables not already
3503 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3504 (cgraph_varpool_assembled_nodes_queue): New static variable.
3505 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3506 (cgraph_varpool_output_debug_info): New function.
3507 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3508 * Makefile.in: Add gt-cgraphunit.h
3510 2006-08-24 Jan Hubicka <jh@suse.cz>
3512 * predict.c (probability_reliable_p): New predicate.
3513 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3514 (predict_loops): Do not predict loop exit with less than 2%
3516 * basic-block.h (edge_probability_reliable_p,
3517 br_prob_note_reliable_p): Declare.
3518 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3519 prediction when static predictor is not reliable.
3520 * rs6000.c (output_cbranch): Likewise.
3522 2006-08-23 Stuart Hastings <stuart@apple.com>
3525 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3526 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3528 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3531 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3532 complex values, nor for generic vector values.
3534 2006-08-22 Richard Guenther <rguenther@suse.de>
3537 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3538 parameter. Convert arguments to arithmetic expression to the
3540 (analyze_scalar_evolution_1): Adjust caller.
3542 2006-08-22 Jan Hubicka <jh@suse.cz>
3544 Patch by Paolo Bonzini
3545 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3548 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3550 PR tree-optimization/28003
3551 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3552 before grouping aliases.
3554 2006-08-22 Roger Sayle <roger@eyesopen.com>
3556 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3557 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3559 2006-08-21 Jason Merrill <jason@redhat.com>
3562 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3563 wrapper. Loop to handle nested wrappers.
3564 (gimplify_bind_expr): Remove temp parameter.
3565 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3566 and STATEMENT_LIST on the rhs.
3567 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3568 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3569 (gimplify_target_expr): Remove special BIND_EXPR handling.
3571 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3573 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3576 2006-08-21 Olivier Hainque <hainque@adacore.com>
3578 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3579 Arrange for the temporary captures of components overlapping the lhs
3580 to happen before the lhs is possibly cleared.
3582 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3584 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3585 necessary places to pass the correct "number of registers" values
3588 2006-08-20 Jan Hubicka <jh@suse.cz>
3590 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3591 (create_name_tags): Instead of quadratic checking use hashtable.
3592 * bitmap.h: Include hashtab.h.
3593 (bitmap_hash): Declare.
3594 * bitmap.c (bitmap_hash): New function.
3596 2006-08-20 Jan Hubicka <jh@suse.cz>
3598 PR rtl-optimization/28071
3599 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3601 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3602 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3603 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3604 cgraph_decide_inlining_incrementally): Update use of
3605 cgraph_check_inline_limits.
3606 * cgraph.c (edge_hash, edge_eq): New function.
3607 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3608 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3609 cgraph_remove_node): Maintain call site hash.
3610 * cgraph.h (struct cgraph_node): Add call_site_hash.
3611 (cgraph_set_call_stmt): New function.
3613 2006-08-20 Jan Hubicka <jh@suse.cz>
3615 PR rtl-optimization/28071
3616 * reload1.c (reg_has_output_reload): Turn into regset.
3617 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3618 choose_reload_regs, emit_reload_insns): Update to new
3619 reg_has_output_reload.
3621 2006-08-20 Jan Hubicka <jh@suse.cz>
3624 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3625 function body sizes.
3626 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3628 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3631 * tree.c (handle_dll_attribute): Return early if not a
3632 var or function decl.
3634 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3637 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3638 alignment of SPE vector types.
3640 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3642 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3644 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3647 * cgraph.h (struct cgraph_node): Remove externally_visible
3649 * cgraphunit.c (process_function_and_variable_attributes): Set
3650 local.externally_visible rather than externally_visible.
3653 * c-common.c (handle_externally_visible_attribute): First look
3654 at TREE_CODE and only if it is function or var decl, check for
3655 non-public objects. Don't warn for DECL_EXTERNAL.
3656 * cgraphunit.c (process_function_and_variable_attributes): Warn
3657 if externally_visible attribute is used on non-public object.
3659 2006-08-17 Jan Hubicka <jh@suse.cz>
3661 PR tree-optimization/27865
3662 * reload1.c (forget_marked_reloads): New function.
3663 (forget_old_reloads_1): When data are passed, just mark the registers
3665 (reload_as_needed): Use the new mechanizm.
3667 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3670 * reload.h (reg_equiv_alt_mem_list): New declaration.
3671 * reload1.c (reg_equiv_alt_mem_list): New definition.
3672 (reload): Initialize it and release it.
3673 (delete_output_reload): Use it.
3674 * reload.c (push_reg_equiv_alt_mem): New function.
3675 (find_reloads_toplev): Call it.
3676 (find_reloads_address, find_reloads_address_1): Likewise.
3677 (find_reloads_subreg_address): Likewise.
3679 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3681 PR rtl-optimization/28489
3682 * sched-ebb.c (begin_schedule_ready): Create basic block
3684 (advance_target_bb): Skip empty blocks.
3685 * haifa-sched.c (bb_note): Make global.
3686 * sched-int.h (bb_note): Add prototype.
3688 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3690 PR tree-optimization/27865
3691 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3693 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3694 fold_used_pointer, pointer_used_p): New functions.
3695 (analyze_scalar_evolution_1): Use fold_used_pointer.
3696 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3697 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3700 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3703 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3704 or the INTEGER_CST. Fail on a CALL_EXPR.
3705 (fold_offsetof): Pass new argument to fold_offsetof_1.
3706 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3707 operand into an INDIRECT_REF.
3708 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3710 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3712 PR gcov/profile/26570
3713 * value-prof.c (static_values): Removed.
3714 (tree_find_values_to_profile): Do not set static_values.
3715 (find_values_to_profile): Do not free static_values.
3716 * profile.c (instrument_values): Do not free the values.
3717 (branch_prob): Free the values.
3719 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3721 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3723 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3726 * c-typeck.c (build_component_ref): Combine qualifiers of
3727 structure or union and field.
3729 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3731 PR rtl-optimization/28071
3732 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3733 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3734 * tree-into-ssa.c (struct dom_dfsnum): New.
3735 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3737 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3738 compute_global_livein.
3739 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3740 in phi nodes in the correct blocks.
3742 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3744 PR tree-optimization/28364
3745 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3747 (fold_affine_expr): New function.
3748 (may_eliminate_iv): Use fold_affine_expr.
3750 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3753 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3756 2006-08-16 Mike Stump <mrs@apple.com>
3758 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3759 * doc/cppopts.texi (-MD): Likewise.
3761 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3764 * c-common.c (handle_weak_attribute): Ignore and warn if
3765 not a FUNCTION_ or VAR_DECL.
3767 2006-07-15 Mike Stump <mrs@apple.com>
3770 * c-parser.c (c_parser_typeof_specifier): Don't use
3771 c_finish_expr_stmt, open code desired semantics instead.
3773 2006-08-15 Nick Clifton <nickc@redhat.com>
3775 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3776 fragment to tmake_file only if threads are enabled.
3777 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3778 * config/i386/t-gthr-win32: New file. ... here.
3780 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3783 * c-parser.c (c_parser_compound_statement_nostart): Reset
3784 parser->error after each statement.
3786 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3789 * omp-low.c (lower_omp_parallel): Convert t to
3790 receiver_decl's type.
3791 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3792 source before comparison.
3795 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3796 to itype in assignment to oldival2.
3798 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3802 * c-typeck.c (build_compound_expr): If the second expression
3803 is an error mark, then just return an error mark instead of
3804 creating a COMPOUND_EXPR.
3806 2006-07-14 Mike Stump <mrs@apple.com>
3808 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3810 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3812 * c-decl.c, var-tracking.c: Fix comment typos.
3814 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3816 PR rtl-optimization/28634
3817 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3818 for floating-point modes unless flag_unsafe_math_optimizations.
3820 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3821 Andrew Pinski <pinskia@physics.uc.edu>
3824 * tree.c (build_array_type): Unify array types with
3825 unspecified index_type.
3826 * c-decl.c (grokdeclarator): Make sure we do not modify a
3827 unified incomplete array type.
3828 * c-typeck.c (store_init_value): Create distinct type before
3829 filling in the index type in an initializer from a compound
3832 * c-decl.c (grokdeclarator): Remove code where we copy the
3835 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3837 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3838 into account for TODO_dump_cgraph.
3839 (TODO_update_ssa_no_phi): Likewise.
3840 (TODO_update_ssa_full_phi): Likewise.
3841 (TODO_update_ssa_only_virtuals): Likewise.
3842 (TODO_remove_unused_locals): Likewise.
3843 (TODO_set_props): Likewise.
3844 (TODO_update_stmt_usage): Likewise.
3846 2006-08-13 Dirk Mueller <dmueller@suse.de>
3848 * c-common.c (strict_aliasing_warning): Fix formatting.
3850 2006-08-13 Matthias Klose <doko@debian.org>
3852 * doc/invoke.texi: Fix spelling errors.
3854 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3856 PR rtl-optimization/23454
3857 * reorg.c (relax_delay_slots): Update comment.
3859 2006-08-11 Richard Guenther <rguenther@suse.de>
3862 * simplify-rtx.c (simplify_const_relational_operation):
3863 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3866 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3868 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3869 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3871 2006-08-10 Paul Brook <paul@codesourcery.com>
3873 * final.c (final_scan_insn): Clear current_insn_predicate before
3874 outputting inline asm.
3876 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3878 PR tree-optimization/26197
3879 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3880 get_ref_base_and_extent and overlap_subvar to add only relevant
3881 subvars as may-aliases.
3882 (add_may_alias_for_new_tag): New function, factored out of
3884 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3885 with additional argument.
3886 * tree-flow.h (new_type_alias): Takes additional argument.
3888 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3890 * gcov.c (no_data_file): New flag.
3891 (read_count_file): Set it if data file not present. Assume counts
3893 (output_lines): Don't name the data file, if there wasn't one.
3895 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3897 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3898 (rs6000_generate_compare): Tweak comments.
3899 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3901 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3903 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3904 (var_debug_decl): New function.
3905 (var_reg_set): Follow debug decl link. Add location even if
3906 reg is already known to hold some other variable.
3907 (var_mem_set): Follow debug decl link.
3908 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3909 decl link. Delete other known locations of the variable part
3911 (var_reg_delete, var_mem_delete): Delete other known locations
3912 of the variable part if requested.
3913 (same_variable_part_p): New function.
3914 (add_stores): Select MO_COPY when appropriate.
3915 (vt_initialize): Handle it.
3916 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3917 known locations for MO_SET and MO_CLOBBER.
3918 (find_variable_location_part): New function.
3919 (set_variable_part, delete_variable_part): Use it.
3920 (clobber_variable_part): New function.
3921 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3924 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3926 PR tree-optimization/26969
3927 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3928 with an empty list of PHIs.
3930 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3934 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3937 2006-08-06 Andreas Schwab <schwab@suse.de>
3939 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3940 string. Whitespace and comment fixup.
3942 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3945 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3949 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3952 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3954 2006-08-04 Jan Hubicka <jh@suse.cz>
3958 * reload.c (push_reload): Patch out the mismatching instruction;
3960 (find_reload): Bail out if the instruction was patched out.
3962 2006-08-04 Jan Hubicka <jh@suse.cz>
3964 PR tree-optimization/24888
3965 * tree-inline.c (expand_call_inline): Do not re-record variables.
3966 (declare_inline_vars): Add variable to unexpanded_var_list.
3968 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3969 Roger Sayle <roger@eyesopen.com>
3971 PR rtl-optimization/26244
3972 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3973 inner_const are negative or greater than or equal to the bitsize of
3974 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3975 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3976 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3977 CONST0_RTX (mode) when the new shift count is greater than or equal to
3978 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3981 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3983 * tree-cfg.c: Fix a comment typo.
3985 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3988 * varasm.c (output_constant): Give the front end another chance to
3989 expand constants, after stripping NOPs.
3991 2006-08-03 Jan Hubicka <jh@suse.cz>
3993 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3996 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3998 PR tree-optimization/27770
3999 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
4000 declaration removed (moved to tree-flow.h).
4001 (vect_can_force_dr_alignment_p): Likewise.
4002 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
4003 (moved from tree-vectorizer.h).
4004 (vect_can_force_dr_alignment_p): Likewise.
4005 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
4006 from outside the vectorizer - in particular from cgraph stage.
4007 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
4008 the alignment of global arrays when -fsection-anchors is enabled.
4009 * cgraphunit.c (cgraph_increase_alignment): New function.
4010 (cgraph_optimize): Call cgraph_increase_alignment.
4012 2006-08-03 David Edelsohn <edelsohn@gnu.org>
4015 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4016 not reload a SPE symbol_ref into a lo_sum address.
4018 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4021 * dwarf2out.c (prune_unused_types_prune): Move call to
4022 prune_unused_types_update_strings to cover the parent DIE also.
4024 2006-08-02 Jan Hubicka <jh@suse.cz>
4026 PR gcov/profile/28480
4027 * tree-cfg.c (change_bb_for_stmt): New function.
4028 (tree_merge_blocks, tree_split_blocks): Use it.
4030 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4036 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4037 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4038 (cgraph_optimize): Likewise.
4040 2006-08-01 Stuart Hastings <stuart@apple.com>
4042 * rtl.h (UINTVAL) New.
4043 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4044 * testsuite/gcc.dg/20060801-1.c: New.
4046 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4049 * c-typeck.c (build_external_type): Mark used enum types.
4050 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4052 (gen_subprogram_die): Whitespace fix.
4054 2006-08-01 Jan Hubicka <jh@suse.cz>
4056 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4057 bitmap when not needed.
4058 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4061 2006-08-01 Dirk Mueller <dmueller@suse.de>
4063 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4065 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4067 * Makefile.in: Revert part of previous patch:
4068 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4071 2006-07-30 Eric Christopher <echristo@apple.com>
4074 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4075 (PowerPC Variable Attributes): New section.
4077 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4079 PR target/28126 (partial fix)
4080 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4082 2006-07-28 Jan Hubicka <jh@suse.cz>
4084 PR rtl-optimization/28071
4085 * cfgrtl.c (rtl_delete_block): Free regsets.
4086 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4088 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4090 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4091 and variables used in dependencies.
4093 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4095 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4096 %fs for -mcmodel=kernel.
4097 (stack_tls_protect_test_di): Likewise.
4099 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4101 * Makefile.in: Use mkinstalldirs.
4103 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4106 * opts-common.c (prune_options): Skip joined switches.
4108 2006-07-27 Jan Hubicka <jh@suse.cz>
4110 PR rtl-optimization/28071
4111 * cselib.c (cselib_process_insn): Don't remove useless values too
4112 often for very large hashtables.
4114 2006-07-27 Jan Hubicka <jh@suse.cz>
4116 PR rtl-optimization/28071
4117 * global.c (greg_obstack): New obstack.
4118 (allocate_bb_info): Use it.
4119 (free_bb_info): Likewise.
4120 (modify_reg_pav): Likewise.
4122 2006-07-27 Roger Sayle <roger@eyesopen.com>
4124 * builtins.c (fold_fixed_mathfn): When long and long long are the
4125 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4126 functions to their lceil*, lfloor*, lround* and lrint* forms.
4128 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4131 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4133 (rev_branch_insn): Likewise.
4135 2006-07-27 Jan Hubicka <jh@suse.cz>
4137 PR rtl-optimization/28071
4138 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4139 (reg_set_in_bb, max_reg_computed): New static variables.
4140 (regmove_optimize): Free the new array.
4141 (fixup_match_1): Update call of reg_is_remote_constant_p.
4143 2006-07-26 Jan Hubicka <jh@suse.cz>
4145 PR tree-optimization/27882
4146 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4148 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4150 (cgraph_analyze_compilation_unit): Likewise.
4151 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4152 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4153 (cgraph_early_inlinine): Make order garbage collected.
4154 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4156 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4158 * dbxout.c (output_types_sort): Add a comment.
4159 (output_used_types): Free the VEC.
4161 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4163 * function.c (reorder_fix_fragments): Delete.
4164 (reorder_blocks): Don't call it.
4165 (reorder_blocks_1): Put all subblocks under the origin block.
4167 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4169 PR rtl-optimization/27907
4170 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4173 2006-07-25 Roger Sayle <roger@eyesopen.com>
4176 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4177 bar(x) check that bar's result type can represent all the values of T.
4179 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4181 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4183 2006-07-25 Nick Clifton <nickc@redhat.com>
4185 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4186 size_lookup[] array.
4187 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4188 (ggc_pch_count_object): Likewise.
4189 (ggc_pch_alloc_object): Likewise.
4190 (ggc_pch_write_object): Likewise.
4191 (init_ggc): Do not attempt to initialize entries in the
4192 size_lookup[] array for objects whose size is greater than than
4193 the length of the array.
4195 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4197 * dbxout.c (output_used_types_helper): Push queued types
4199 (output_types_sort): New.
4200 (output_used_types): Collect used types on a VEC and sort them
4203 2006-07-24 Richard Guenther <rguenther@suse.de>
4206 * cgraph.c (cgraph_remove_node): Do not check if dumps
4208 * cgraphunit.c (cgraph_optimize): Likewise.
4210 2006-07-24 Jan Hubicka <jh@suse.cz>
4212 PR rtl-optimization/28071
4213 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4214 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4215 splitting before first stmt.
4217 2006-07-24 Jan Hubicka <jh@suse.cz>
4219 PR rtl-optimization/28071
4220 * ipa-inline.c (update_caller_keys): Remove edges that
4221 are no longer inline candidates.
4223 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4226 * dbxout.c (output_used_types_helper, output_used_types): New.
4227 (dbxout_symbol): Call output_used_types.
4229 2006-07-23 Jan Hubicka <jh@suse.cz>
4233 * cgraph.c (cgraph_varpool_nodes): Export.
4234 (decide_is_variable_needed): Ignored "used" attribute in
4235 unit-at-a-time mode.
4236 * cgraph.h (cgraph_varpool_nodes): Declare.
4237 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4238 unit-at-a-time mode.
4240 2006-07-23 Roger Sayle <roger@eyesopen.com>
4243 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4244 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4245 the __gthrw form of thr_keycreate.
4246 (__gthread_key_delete): Silence the unused argument warning.
4248 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4251 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4252 Cache the last found '\0' marker to avoid quadratic behavior.
4254 2006-07-23 Jan Hubicka <jh@suse.cz>
4256 * i386.md (subsi_3_zext): Fix output template.
4258 2006-07-21 Mike Stump <mrs@apple.com>
4260 * doc/invoke.texi (C++ Dialect Options): Note that
4261 -fvisibility-inlines-hidden doesn't affect explicitly
4262 instantiationed inline methods.
4264 2006-07-20 Roger Sayle <roger@eyesopen.com>
4266 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4267 if the target assembler is GNU binutils' gas.
4268 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4269 whether to pass GNU gas or native as command line options.
4271 2006-07-20 Jason Merrill <jason@redhat.com>
4273 * tree.c (remove_attribute): New fn.
4274 * tree.h: Declare it.
4276 2006-07-20 Paul Brook <paul@codesourcery.com>
4279 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4280 they are invalidated by this instruction.
4282 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4285 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4287 2006-07-20 Eric Christopher <echristo@apple.com>
4290 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4292 2006-07-19 Eric Christopher <echristo@apple.com>
4294 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4295 Rewrite dependencies for libgcc_s.1.dylib.
4297 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4299 * except.c (duplicate_eh_regions_1): Clear next_peer.
4301 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4303 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4304 -mlongcall does not guarantee all calls will be long.
4305 * doc/extend.texi (long_call/short_call): Document that longcall
4306 does not guarantee a long call will be used.
4307 (longcall/shortcall): Likewise.
4309 2006-07-18 Roger Sayle <roger@eyesopen.com>
4312 * expmed.c (expand_shift): Additionally check that the shift_cost
4313 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4314 before implementing a LSHIFT_EXPR as a sequence of additions.
4315 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4316 middle-end that DImode shifts need to be synthesized by expand.
4318 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4321 * tree-ssa-operands.c (access_can_touch_variable): Update
4323 Return true if ALIAS is .GLOBAL_VAR.
4325 2006-07-18 David Daney <ddaney@avtrex.com>
4327 * gcc.c (display_help): Fix typo in help text.
4329 2006-07-18 Olivier Hainque <hainque@adacore.com>
4331 * tree.h (categorize_ctor_elements): Adjust prototype and add
4332 descriptive comment, both in accordance with the interface change
4334 * varasm.c (constructor_static_from_elts_p): New function.
4335 Whether a constructor node is a valid static constant initializer
4336 if all its elements are.
4337 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4338 * output.h: Declare it.
4339 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4340 is a valid constant initializer instead of computing the number of
4341 non-constant elements. Use constructor_static_from_elts_p for this
4342 purpose. Replace the head comment with an indication that this is a
4343 helper for categorize_ctor_elements.
4344 (categorize_ctor_elements): Same interface change as for the _1
4345 helper. Former head comment from this helper moved here, adjusted to
4346 account for the interface changes.
4347 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4348 (all_zeros_p): Likewise.
4349 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4350 static versions of the constructor from the categorize_ctor_elements
4351 return value instead of the formerly computed number of non-constant
4354 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4356 * configure: Regenerate.
4357 * Makefile.in (build_libsubdir): New configure substitution
4358 (build_libobjdir): New variable.
4359 (BUILD_LIBIBERTY): Use it.
4361 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4364 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4366 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4369 * c-common.c (handle_weakref_attribute): Ignore attribute in
4370 the same conditions the alias attribute is ignored.
4372 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4374 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4375 (dbxout_begin_prologue): Increment scope_labelno.
4377 2006-07-17 Richard Henderson <rth@redhat.com>
4380 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4383 2006-07-17 Roger Sayle <roger@eyesopen.com>
4384 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4386 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4387 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4388 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4389 functions such as sbrk, write, etc.. Add function prototypes.
4390 Convert function declarations from K&R to ISO C. Cast pointers
4391 to "long" and "unsigned long" instead of "int" and "unsigned int".
4392 Convert tokens following #endif into comments.
4394 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4396 * invoke.texi: Remove mention of f77; Reformat table for
4397 inline parameter options correctly; mention that -malign-double
4398 is default on x86-64 targets.
4400 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4402 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4403 (convert_affine_scev, chrec_convert_aggressive): Use
4404 avoid_arithmetics_in_type_p. Do not check for the subtypes
4407 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4410 * optabs.c (expand_doubleword_shift): Wrap the call to
4411 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4413 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4416 * optabs.c (expand_binop): Pass next_methods rather than methods
4417 to expand_doubleword_shift.
4419 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4422 * tree.h (dump_addr): Declare.
4423 * print-tree.c (dump_addr): New function.
4424 (print_node_brief, print_node): Use it.
4425 * print-rtl.c (print_rtx): Likewise.
4426 * common.opt (-fdump-noaddr): New option.
4427 * doc/invoke.texi (-fdump-noaddr): Document.
4428 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4429 (ve_info_hash): Likewise.
4431 2006-07-13 Andrew Haley <aph@redhat.com>
4433 PR tree-optimization/19505
4434 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4435 edge leaving this block, make sure that the destination of this
4436 block has only one predecessor.
4438 2006-07-17 Richard Guenther <rguenther@suse.de>
4440 PR tree-optimization/28238
4441 * tree-inline.c (copy_bb): Check if we produced valid
4442 gimple copying and substituting a stmt. If not, gimplify
4445 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4447 * optabs.c (maybe_encapsulate_block): New function extracted from...
4448 (emit_libcall_block): ...here. Invoke it on the block of insns to
4449 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4450 (emit_no_conflict_block): Likewise.
4452 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4454 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4456 2006-07-15 Roger Sayle <roger@eyesopen.com>
4458 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4459 a new NOP_EXPR case of the switch statement.
4461 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4464 * stor-layout.c (place_field): Take the bit field with
4465 an excessive size into account in the ms-bitfiled case.
4468 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4469 the previous bit field.
4471 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4474 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4476 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4478 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4479 signal frames correctly even when the signal was installed with
4482 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4484 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4485 (dbxout_function_end): Use local label LFBB. Remove hook
4487 (dbxout_source_line): Use local label LFBB.
4488 (dbxout_block): Likewise.
4489 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4490 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4491 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4492 and DBX_OUTPUT_NFUN.
4494 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4496 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4498 2006-07-13 Jan Hubicka <jh@suse.cz>
4500 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4502 * output.h (align_variable): Declare.
4503 * varasm.c (align_variable): Export.
4504 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4505 when basic block changed.
4507 2006-07-13 Nick Clifton <nickc@redhat.com>
4509 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4510 walking the LOG_LINKS chain.
4512 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4514 * doc/invoke.texi (C++ Dialect Options): Explain difference
4515 between -fvisibility-inlines-hidden and setting hidden
4516 visibility explicitly.
4518 2006-07-12 Eric Christopher <echristo@apple.com>
4520 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4521 (stmp-lipo): Depend on libgcc.a.
4523 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4525 * tree.c: Fix a comment typo.
4527 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4529 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4531 (umulhisi3_r): Likewise.
4533 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4536 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4537 x < 19, vs wchar_t support.
4539 2006-07-12 Nick Clifton <nickc@redhat.com>
4541 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4542 instead of -isa=sh4.
4544 2006-07-12 Mike Stump <mrs@apple.com>
4546 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4548 2006-07-10 Eric Christopher <echristo@apple.com>
4550 * config/t-slibgcc-darwin: Rewrite.
4552 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4555 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4558 2006-07-08 Matthias Klose <doko@debian.org>
4560 * doc/sourcebuild.texi: Fix typo.
4562 2006-07-07 Mike Stump <mrs@apple.com>
4564 * toplev.c (process_options): Don't give -ffunction-sections may
4565 affect debugging warning for Mach-O.
4567 2006-07-07 James E Wilson <wilson@specifix.com>
4569 * config/mips/mips.md (cpu): Add sb1a.
4570 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4571 addition to sb1. Adjust comments to clarify SB-1A differences from
4573 (ir_sb1a_load): New. Modify bypasses to use it.
4574 (ir_sb1a_simple_alu): Likewise.
4575 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4576 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4577 (mips_issue_rate): Add PROCESSOR_SB1A.
4578 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4579 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4580 (TARGET_SB1): Add PROCESSOR_SB1A check.
4581 (TUNE_SB1): Likewise.
4583 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4584 * config/mips/mips.c (mips_store_data_bypass_p): New.
4585 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4586 store_data_bypass_p.
4588 2006-07-08 Paul Brook <paul@codesourcery.com>
4591 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4593 2006-07-07 Richard Guenther <rguenther@suse.de>
4596 * tree.h (build_one_cst): Declare.
4597 * tree.c (build_one_cst): New function.
4598 * tree-ssa-math-opts.c (get_constant_one): Remove.
4599 (insert_reciprocals): Use build_one_cst.
4600 * fold-const.c (fold_plusminus_mult): Likewise.
4602 2006-07-07 Roger Sayle <roger@eyesopen.com>
4604 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4605 * cfgloopanal.c (dump_graph): Likewise.
4606 * dojump.c (discard_pending_stack_adjust): Likewise.
4607 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4609 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4610 * function.c (finalize_block_changes): Likewise.
4611 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4612 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4613 * rtl.c (dump_rtx_statistics): Likewise.
4614 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4616 * varray.c (dump_varray_statistics): Likewise.
4617 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4618 decode_decimal64, encode_decimal128, decode_decimal128,
4619 decimal_real_to_decimal): Likewise.
4621 2006-07-07 Richard Guenther <rguenther@suse.de>
4623 PR tree-optimization/28187
4624 * tree-vrp.c (vrp_operand_equal_p): New function.
4625 (vrp_bitmap_equal_p): Likewise.
4626 (update_value_range): Use them to compare old and new
4629 2006-07-06 Roger Sayle <roger@eyesopen.com>
4631 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4632 a default case to switch statement to silence compiler warnings.
4634 2006-07-06 Roger Sayle <roger@eyesopen.com>
4637 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4638 the configured assembler supports the x87's ffreep mnemonic.
4639 * configure: Regenerate.
4640 * config.in: Regenerate.
4642 * config/i386/i386.c (output_387_ffreep): New function.
4643 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4644 (output_387_reg_move): Likewise.
4646 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4648 Port to hosts whose 'sort' and 'tail' implementations
4649 treat operands with leading '+' as file names, as POSIX
4650 has required since 2001. However, make sure the code still
4651 works on pre-POSIX hosts.
4652 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4653 which says you should use "tail -c +N" rather than "tail +Nc".
4654 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4656 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4658 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4661 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4664 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4665 PRE_{INC,DEC} of TFmode.
4667 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4668 Alan Modra <amodra@bigpond.net.au>
4671 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4674 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4677 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4678 Remove duplicate gtu.
4680 2006-07-05 Jason Merrill <jason@redhat.com>
4684 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4685 * c-common.c (handle_packed_attribute): So don't copy it here.
4686 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4688 2006-07-05 Mike Stump <mrs@apple.com>
4690 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4692 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4695 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4697 2006-07-05 Richard Guenther <rguenther@suse.de>
4700 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4701 TARGET_SSE2 targets if using SSE math.
4702 (*absdf2_1): Likewise.
4704 2006-07-05 Richard Guenther <rguenther@suse.de>
4706 PR tree-optimization/28162
4707 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4708 make sure to convert the operands to the correct type.
4710 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4712 PR tree-optimization/28218
4714 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4715 to calculate and free the dominator information.
4717 2006-07-04 Peter O'Gorman <peter@pogma.com>
4719 * mklibgcc.in: chmod 644 before ranlib during install.
4721 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4722 J"orn Rennecke <joern.rennecke@st.com>
4724 * configure.ac (.eh_frame data check): Use diff -b.
4726 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4729 * Makefile.in (BUILD_RTL): Add build/vec.o.
4730 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4731 (build/genextract): Delete.
4732 (build/genautomata): Likewise.
4734 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4737 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4738 128-bit IBM long doubles for ABI_V4.
4740 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4742 * tree.c (range_in_array_bounds_p): New predicate.
4743 * tree.h (range_in_array_bounds_p): Declare it.
4744 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4745 return a less conservative answer.
4746 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4747 and flag 'is_group'.
4748 (IS_ELEMENT_FOR_GROUP): New macro.
4749 (FOR_EACH_ACTUAL_CHILD): Likewise.
4750 (next_child_for_group): New helper function.
4751 (can_completely_scalarize_p): Take into account groups.
4752 (sra_hash_tree): Handle RANGE_EXPR.
4753 (sra_elt_eq): Likewise.
4754 (lookup_element): Be prepared for handling groups.
4755 (is_valid_const_index): Delete.
4756 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4757 instead of is_valid_const_index.
4758 <ARRAY_RANGE_REF>: New case.
4759 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4760 is_valid_const_index.
4761 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4762 (scan_dump): Dump info for groups too.
4763 (decide_instantiation_1): Likewise.
4764 (decide_block_copy): Assert that the element is not a group.
4765 Propagate decision to groups.
4766 (generate_one_element_ref): Handle RANGE_EXPR.
4767 (mark_no_warning): Iterate over actual childs.
4768 (generate_copy_inout): Likewise.
4769 (generate_element_copy): Likewise.
4770 (generate_element_zero): Likewise.
4771 (generate_element_init_1): Likewise.
4772 (dump_sra_elt_name): Handle RANGE_EXPR.
4774 2006-07-03 Roger Sayle <roger@eyesopen.com>
4776 PR tree-optimization/26251
4777 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4778 (thread_block): When optimizing for size refuse to thread jumps
4779 that would require duplication of blocks other than redirection
4782 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4784 * configure.ac: Fix thinko in previous check-in.
4785 * configure: Regenerate.
4787 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4790 * configure.ac (for lang...): Simplify nesting of conditionals.
4791 Test subdir_requires for non-enabled languages. Move processing
4792 of lang_opt_files and lang_tree_fiels below that test.
4793 * configure: Regenerate.
4794 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4796 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4798 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4800 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4802 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4805 2006-06-29 Jason Merrill <jason@redhat.com>
4812 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4813 * c-common.c (c_determine_visibility): Handle it here.
4814 * c-decl.c (finish_decl): Call c_determine_visibility for
4816 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4818 * varasm.c (default_assemble_visibility): Likewise.
4819 * c-common.c (handle_visibility_attribute): Complain about trying
4820 to give visibility to an already defined class, or trying to change
4821 declared visibility. Always attach the attribute.
4826 * attribs.c (decl_attributes): Ignore type-in-place attributes
4827 once the type has been defined.
4829 2006-06-29 Roger Sayle <roger@eyesopen.com>
4832 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4833 to indicate the cpplib has issued an error message for us.
4835 2006-06-29 Asher Langton <langton2@llnl.gov>
4838 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4839 insert a label at the end of an function under Mach-O.
4841 2006-06-29 Eric Christopher <echristo@apple.com>
4842 Evan Cheng <evan.cheng@apple.com>
4844 * predicates.md (vector_all_ones_operand): New.
4845 (nonimmediate_or_sse_const_operand): Ditto.
4846 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4847 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4848 (standard_sse_mode_p): Ditto.
4849 (standard_sse_constant_p): Add case for -1 vector.
4850 (ix86_expand_vector_move): Try to use.
4851 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4852 Call standard_sse_constant_opcode.
4853 (*movv4sf_internal): Ditto.
4854 (*movv2df_internal): Ditto.
4856 2006-06-29 Roger Sayle <roger@eyesopen.com>
4858 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4859 of XEXP to extract the operands of a MATCH_CODE rtx.
4861 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4863 * tree.c (tree_size): Do not waste tail padding in
4864 struct tree_string and make the size be the same as
4865 build_string will generate.
4867 2006-06-28 Jason Merrill <jason@redhat.com>
4870 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4871 may_aliases already in the tag's annotations to the bitmap.
4873 2006-06-28 Roger Sayle <roger@eyesopen.com>
4875 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4877 2006-06-28 Roger Sayle <roger@eyesopen.com>
4879 * genpreds.c (generate_switch_p): New function.
4880 (add_mode_tests): Push the new mode test down inside an AND expr
4881 if this allows the switch-suitable MATCH_CODE to be near the root.
4882 (write_match_code_switch): New function to write a MATCH_CODE as
4884 (write_predicate_stmts): New function to write a predicate RTX
4885 expression as a sequence of statements.
4886 (write_one_predicate_function): Use write_predicate_stmts.
4887 (write_tm_constrs_h): Likewise.
4889 2006-06-26 Fred Fish <fnf@specifix.com>
4891 * config/mips/t-sb1: New file.
4892 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4895 2006-06-26 DJ Delorie <dj@redhat.com>
4897 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4899 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4900 Jayant Sonar <jayants@kpitcummins.com>
4901 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4903 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4904 (subsi3, subsi3_1, subsi3_2): New.
4905 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4906 * config/m32c/mov.md (SI mov peephole): New.
4907 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4908 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4910 2006-06-26 Olivier Hainque <hainque@adacore.com>
4912 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4913 a CALL_EXPR target function declaration.
4915 2006-06-26 Richard Guenther <rguenther@suse.de>
4917 * tree.c (build_string): Do not waste tail padding in
4920 2006-06-26 Richard Guenther <rguenther@suse.de>
4922 * ggc-page.c (init_ggc): Add missing element to size_lookup
4926 2006-06-23 Richard Guenther <rguenther@suse.de>
4928 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4929 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4930 alignment requests instead. Add verification code.
4931 Add struct tree_function_decl and struct tree_binfo size to
4932 extra_order_size_table. Add missing element to size_lookup
4935 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4938 * fold-const.c (const_binop): Be prepared for self returning zero.
4939 Simplify code handling complex values.
4941 2006-06-24 Olivier Hainque <hainque@adacore.com>
4943 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4944 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4947 2006-06-24 Olivier Hainque <hainque@adacore.com>
4949 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4950 ARRAY_REF, so have the callback called for the low bound expression.
4952 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4954 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4955 * c-typeck.c (c_common_type): Disallow operations on decimal float
4956 types and other float types.
4957 * convert.c (convert_to_real): Don't ignore conversions involving
4958 decimal float types.
4960 2006-06-23 Olivier Hainque <hainque@adacore.com>
4962 * tree.c (max_int_size_in_bytes): New function, inspired from
4963 code in function.c:assign_temp.
4964 * tree.h (max_int_size_in_bytes): Declare.
4965 * function.c (assign_temp): Use it.
4966 * gimplify.c (create_tmp_var): Relax the assertions on the type
4967 properties, not mandating constant size any more.
4968 (force_constant_size): New static function.
4969 (gimple_add_tmp_var): Use it, forcing variable size to a
4970 constant upper bound if it is not constant on entry.
4972 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4975 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4976 for initialization and setting of one_only flag to ...
4977 (i386_pe_encode_section_info): ...here.
4978 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4979 Recheck that the symbol has not been defined.
4981 2006-06-23 Richard Guenther <rguenther@suse.de>
4983 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4984 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4985 alignment requests instead. Add verification code.
4986 Add struct tree_function_decl and struct tree_binfo size to
4987 extra_order_size_table. Add missing element to size_lookup
4990 2006-06-22 Roger Sayle <roger@eyesopen.com>
4991 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4994 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4995 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4997 2006-06-23 Ben Elliston <bje@au.ibm.com>
4999 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
5000 negate dn -- manipulate it directly.
5002 2006-06-22 Roger Sayle <roger@eyesopen.com>
5003 Steven Bosscher <stevenb.gcc@gmail.com>
5006 * reload1.c (gen_reload): Call mark_jump_label on the new insns
5007 generated by gen_move_insn to add REG_LABEL notes if necessary.
5009 2006-06-22 Bob Wilson <bob.wilson@acm.org>
5011 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
5012 (leaf_entry): Remove use of MIN_ESA.
5014 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
5016 PR rtl-optimization/28121
5017 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5020 2006-06-21 DJ Delorie <dj@redhat.com>
5022 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5024 (mulhisi3_r): Likewise.
5026 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5029 * coverage.c (coverage_counter_alloc): Leave the index type
5031 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5034 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5036 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5037 section from the "Options for Code Generation Conventions".
5039 2006-06-21 Richard Henderson <rth@redhat.com>
5043 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5045 (global_symbolic_operand): Allow weak symbols, even if local_p.
5047 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5049 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5050 (find_interesting_uses_address): Punt if above function returns true.
5052 2006-06-21 Richard Guenther <rguenther@suse.de>
5054 * configure: Regenerated.
5056 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5058 * config/mips/mips.c (function_arg): Where one part of a
5059 complex argument is in registers and the other part in the stack,
5060 return a REG not a PARALLEL.
5062 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5064 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5065 when cross-compiling. Do not substitute libstdcxx_incdir.
5066 * configure: Regenerated.
5068 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5070 * varasm.c (mergeable_string_section): Check for embedded NULs and
5071 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5072 rather than TREE_STRING_LENGTH bytes.
5074 2006-06-21 Richard Guenther <rguenther@suse.de>
5076 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5077 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5080 2006-06-21 Richrad Guenther <rguenther@suse.de>
5082 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5083 Limit iteration over the dominators.
5085 2006-06-20 Roger Sayle <roger@eyesopen.com>
5087 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5088 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5090 2006-06-20 Richard Guenther <rguenther@suse.de>
5091 Michael Matz <matz@suse.de>
5093 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5095 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5096 * et-forest.h (et_free_pools): Prototype new function.
5097 * et-forest.c (et_free_tree_force): Free parent occurrence.
5098 (et_free_pools): New function.
5099 * dominance.c (free_dominance_info): Free et-forest alloc
5102 2006-06-20 Roger Sayle <roger@eyesopen.com>
5104 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5105 integer modes, attempt to directly construct an integer constant.
5107 * fold-const.c (native_encode_vector): Determine the size of each
5108 element from the vector type instead of the first vector element.
5110 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5111 if all of its elements/components are constant.
5112 (build_constructor_from_list): Likewise.
5114 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5116 PR tree-optimization/27331
5117 * tree-data-ref.c (free_data_ref): New function.
5118 (create_data_ref): Fail if the data reference has unknown access
5120 (free_data_refs): Use free_data_ref.
5122 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5125 * tree-inline.c (setup_one_parameter): Strip useless
5126 type conversion before adding it to the IR.
5127 (declare_return_variable): Likewise.
5129 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5132 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5134 2006-06-19 Mike Stump <mrs@apple.com>
5136 * tree.c (variably_modified_type_p): VM arguments don't make the
5139 2006-06-19 Richard Guenther <rguenther@suse.de>
5141 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5142 type conversions after folding.
5144 2006-06-19 Richard Guenther <rguenther@suse.de>
5146 * ggc-page.c (extra_order_size_tab): Add entries with
5147 size of struct function and basic_block.
5148 (size_lookup): Extend to cover sizes up to 511.
5149 (ggc_alloc_stat): Adjust user.
5150 (ggc_pch_count_object): Likewise.
5151 (ggc_pch_alloc_object): Likewise.
5152 (ggc_pch_write_object): Likewise.
5154 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5156 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5157 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5160 2006-06-19 Denis Chertykov <denisc@overta.ru>
5162 * config/avr/libgcc.S : Correct my wrong previous commit.
5164 2006-06-19 Roger Sayle <roger@eyesopen.com>
5167 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5168 have stripped a SUBREG from the shift count, so we may need to
5169 convert_to_mode back to the type's mode before calling make_tree.
5170 Use new_amount instead of amount to avoid expanding a tree twice.
5172 2006-06-19 Richard Guenther <rguenther@suse.de>
5175 * fold-const.c (operand_equal_p): Check if the argument types
5176 have the same precision before stripping NOPs.
5178 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5180 Fix PR tree-optimization/27341
5181 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5183 * tree-complex.c (pass_lower_complex): Update SMT usage.
5185 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5187 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5188 Add a new alternative to the constraint strings. Add move of
5189 operand 1 to 3 to the splitter definition.
5190 ("doloop_si_long"): Second contraint alternative removed.
5192 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5194 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5195 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5197 (AVR_HAVE_MOVW) Define.
5198 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5199 (ASM_SPEC): Add avr25.
5200 (LINK_SPEC): Add avr25.
5201 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5202 (base_arch_s): Add new member 'have_movw_lpmx'.
5203 (avr_arch_types): Init 'have_movw_lpmx'.
5204 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5205 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5206 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5207 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5208 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5210 (avr_file_start): Do not output '.arh' derective.
5211 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5212 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5213 * config/avr/avr.md (mcu_enhanced): Delete.
5214 (mcu_have_movw): Define.
5215 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5216 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5217 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5218 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5219 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5220 attiny861 and at86rf401 devices.
5222 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5224 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5227 2006-06-17 Karl Berry <karl@gnu.org>
5229 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5230 doc/gccint.texi, doc/install.texi (@dircategory): Use
5231 "Software development" instead of "Programming", following
5232 the Free Software Directory.
5234 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5236 * config/i386/i386.c (legitimate_tls_address)
5237 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5238 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5239 (*tls_dynamic_gnu2_combine_64): Likewise.
5241 2006-06-16 Richard Guenther <rguenther@suse.de>
5244 * fold-const.c (negate_expr_p): Do not introduce undefined
5245 overflow in negating INTEGER_CSTs.
5246 (fold_negate_expr): Rename from negate_expr. Revert last
5247 change for folding BIT_NOT_EXPR. Change semantics to
5248 return NULL_TREE for non-simplified negations. Do not
5249 strip type conversions and unify type handling.
5250 (negate_expr): New function, wrap around fold_negate_expr
5251 but ensure building a tree always. Strip type conversions
5252 here, fold to result type.
5253 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5255 2006-06-16 Roger Sayle <roger@eyesopen.com>
5258 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5259 that (would) return their results in stack registers.
5261 2006-06-16 Michael Matz <matz@suse.de>
5262 Richard Guenther <rguenther@suse.de>
5264 * fold-const.c (fold_truthop): Only return new tree node if
5265 we canonicalized something.
5267 2006-06-16 Richard Guenther <rguenther@suse.de>
5269 * function.h (enum function_frequency): Move declaration
5270 out of struct function.
5271 (struct function): Move bool fields and the enum to the bitfield
5272 section. Reorder elements to avoid padding. Remove unused
5273 fields left over from the RTL inliner removal.
5274 * function.c (free_after_compilation): Do not zero removed fields.
5275 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5276 (ipa-type-escape.o): Likewise.
5278 2006-06-16 Richard Guenther <rguenther@suse.de>
5280 * cgraph.h (struct cgraph_local_info): Turn bool elements
5282 (struct cgraph_node): Likewise.
5283 (struct cgraph_varpool_node): Likewise.
5285 2006-06-15 Richard Guenther <rguenther@suse.de>
5287 * fold-const.c (fold_truth_not_expr): Rename from
5288 invert_truthvalue. Give it fold_* semantics to avoid
5290 (invert_truthvalue): New function. Wrapper around
5291 fold_truth_not_expr.
5292 (optimize_minmax_comparison): Avoid creating garbage.
5293 (fold_unary): Use fold_truth_not_expr for folding
5295 (fold_ternary): Replace uses of invert_truthvalue with
5296 fold_truth_not_expr where applicable.
5297 * tree.h (fold_truth_not_expr): Prototype.
5299 2006-06-16 Richard Guenther <rguenther@suse.de>
5301 PR tree-optimization/27781
5302 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5303 * ipa-pure-const.c (target.h): Include.
5304 (analyze_function): Do not analyze functions that do not
5307 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5310 * tree-dfa.c (referenced_vars_dup_list): Remove.
5311 (find_referenced_vars): Remove assert.
5312 (referenced_var_check_and_insert): Replace dup list with assert.
5313 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5314 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5316 2006-06-15 Richard Guenther <rguenther@suse.de>
5318 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5319 extra unused identifiers if not dumping.
5320 (create_variable_info_for): Likewise.
5322 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5324 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5325 (derive_constant_upper_bound): Derive more precise upper bound in
5326 common cases. Return type changed to double_int.
5327 (record_estimate): Reflect the changed return type of
5328 derive_constant_upper_bound.
5329 * double-int.c (double_int_zext, double_int_sext): Fix.
5331 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5333 * configure.ac (CFLAGS): Get them from the toplevel or from the
5334 configure invocation.
5335 * configure: Regenerate.
5336 * Makefile.in (CFLAGS): Substitute value provided by configure.
5338 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5341 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5342 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5343 rather than calling add_stmt on it.
5344 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5346 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5349 * reload1.c (reload): Remove registers returned by update_eliminables
5350 from used_spill_regs.
5352 2006-06-13 DJ Delorie <dj@redhat.com>
5354 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5356 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5358 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5359 html__strip_dir, html__mkdir_p. Enhance install-html target.
5360 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5361 * configure: Regenerate.
5363 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5365 * fold-const.c (fold_cond_expr_with_comparison): Check for
5366 Objective-C++ as language in deciding COND_EXPR transformation.
5368 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5371 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5372 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5373 * config/sh/lib1funcs.h (SL, SL1): Define.
5374 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5375 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5376 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5377 (OBJS_Os_4_200): New variable.
5378 ($(T)libgcc-Os-4-200.a): Use it.
5379 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5380 when dividing 1 and/or by 0.
5382 2006-06-13 Roger Sayle <roger@eyesopen.com>
5384 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5385 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5386 * configure: Regenerate.
5388 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5390 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5391 for real instruction.
5393 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5396 * haifa-sched.c (check_cfg): Handle special case.
5398 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5401 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5402 Add debug_info parameter. Chain the vars to the BLOCK instead
5403 of the BIND_EXPR if debug info are requested for them.
5404 (pop_gimplify_context): Adjust for above change.
5405 (gimple_add_tmp_var): Likewise.
5406 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5408 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5409 (convert_local_reference): Likewise.
5410 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5411 (finalize_nesting_tree_1): Request that debug info be emitted
5412 for debug_var_chain.
5414 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5416 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5417 for PR target/27863.
5419 2006-06-13 Richard Guenther <rguenther@suse.de>
5422 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5424 2006-06-13 Richard Guenther <rguenther@suse.de>
5426 PR tree-optimization/27830
5427 * tree-inline.c (copy_body_r): For copying the operand
5428 of an ADDR_EXPR make sure to fold &* afterwards.
5430 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5432 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5433 lvalues in the fb_none case with side-effects.
5435 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5437 * tree-flow.h: Remove the prototype for
5438 compute_phi_arg_on_exit.
5439 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5440 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5443 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5445 * builtins.c (expand_builtin_return_addr): Only use
5446 frame_pointer_rtx when count == 0 and we are expanding
5447 __builtin_return_address.
5449 2006-06-12 Fred Fish <fnf@specifix.com>
5451 * config/mips/mips.c (mips_file_start): Create special section
5452 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5454 2006-06-11 Eric Christopher <echristo@apple.com>
5457 * stor-layout.c (place_field): Remove check for
5458 remaining_in_alignment when aligning at the end of a run.
5460 2006-06-11 Eric Christopher <echristo@apple.com>
5463 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5466 2006-06-11 Roger Sayle <roger@eyesopen.com>
5469 Revert incorrect fix for PR target/27158
5470 2006-05-08 Roger Sayle <roger@eyesopen.com>
5471 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5472 of a reg_equiv_constant if the result is a legitimate constant.
5474 2006-06-11 Roger Sayle <roger@eyesopen.com>
5477 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5478 extract a CONST_VECTOR element and interpret it as an integer.
5479 (vspltis_constant): Use const_vector_elt_as_int instead of the
5480 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5481 * config/rs6000/predicates.md (easy_vector_const): Consider
5482 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5484 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5487 * stor-layout.c (update_alignment_for_field): Don't add extra
5488 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5491 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5493 * config/mips/t-rtems: Add EL/EB multilib variants.
5495 2006-06-09 Mike Stump <mrs@apple.com>
5497 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5499 2006-06-09 David Daney <ddaney@avtrex.com>
5501 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5503 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5505 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5507 2006-06-09 Richard Guenther <rguenther@suse.de>
5509 PR tree-optimization/26998
5510 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5511 of signed types, only TYPE_MIN_VALUE is special, but for both,
5512 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5513 in this case, as is -fwrapv.
5515 2006-06-08 Mike Stump <mrs@apple.com>
5518 * config/darwin.c (darwin_asm_output_anchor): Disable
5519 -fsection-anchors on darwin for now.
5520 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5521 * rs6000/rs6000.c (optimization_options): Likewise.
5523 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5526 * config/i386/i386.c (classify_argument): Skip fields with invalid
5529 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5531 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5532 (cse_insn): Likewise for the stack_pointer_rtx.
5534 2006-06-08 Roger Sayle <roger@eyesopen.com>
5536 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5537 conditions from floating point comparisons.
5539 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5542 * expmed.c (struct alg_hash_entry): Fix type of field T
5543 to match synth_mult argument.
5544 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5546 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5549 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5552 2006-06-08 Richard Guenther <rguenther@suse.de>
5555 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5556 only, if overflow is defined and not trapping.
5557 (negate_expr): Likewise.
5559 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5561 PR tree-optimization/27872
5562 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5563 flag on the new exit edge of the unrolled loop.
5565 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5567 PR rtl-optimization/26449
5568 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5570 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5573 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5574 referenced_variables with matching DECL_UID's.
5575 (find_referenced_vars): Make sure duplicate list is empty to start.
5576 (referenced_var_p): Remove.
5577 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5578 Check if var is in the list, and add if needed. Update the duplicate
5579 list if a different var is in the list with the same DECL_UID.
5580 (add_referenced_var): Call routine to check and insert.
5581 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5582 * tree-flow.h (referenced_vars_dup_list): External declaration.
5584 2006-06-07 Fred Fish <fnf@specifix.com>
5586 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5589 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5592 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5593 the imaginary and real parts of a clobbered register.
5594 Emit insn to set the imaginary part.
5596 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5598 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5599 in lieu of unwind-dw2-fde.c.
5601 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5603 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5605 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5608 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5609 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5610 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5611 V4SImode temporaries and operations instead.
5613 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5615 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5618 2006-06-06 Mike Stump <mrs@apple.com>
5620 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5621 installing during build.
5623 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5625 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5627 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5628 * config/ia64/ia64.c (params.h): New header.
5629 (ia64_optimization_options): New function to adjust parameters.
5630 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5631 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5632 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5634 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5636 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5638 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5641 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5643 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5644 Victor Kaplansky <victork@il.ibm.com>
5646 PR tree-optimization/26360
5647 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5650 2006-06-04 Roger Sayle <roger@eyesopen.com>
5651 Andrew Pinski <pinskia@physics.uc.edu>
5654 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5655 for LABEL_DECL before calling DECL_WEAK.
5658 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5659 LABEL_DECL and PARM_DECL.
5661 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5665 * c-decl.c (grokdeclarator): Disallow variably modified types at
5666 file scope. Avoid marking shared array type of constant size as
5669 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5672 * c-common.c (fold_offsetof_1): Handle static members.
5674 2006-06-04 Eric Christopher <echristo@apple.com>
5676 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5677 (debug_rli): Output value for remaining_in_alignment.
5678 (update_alignment_for_field): Unconditionalize
5679 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5680 extra alignment code.
5681 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5682 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5683 * tree.h (record_layout_info_s): Remove prev_packed.
5684 * doc/extend.texi (ms_struct): Add documentation of format.
5686 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5688 * tree.h: Declare folding_initializer.
5689 * builtins.c (fold_builtin_constant_p): Give definite answer
5690 if folding inside an initializer.
5691 * fold-const.c: Define folding_initializer.
5692 (START_FOLD_INIT): Save and then set folding_initializer.
5693 (END_FOLD_INIT): Restore folding_initializer.
5695 2006-06-04 Richard Guenther <rguenther@suse.de>
5697 PR tree-optimization/27039
5698 * fold-const.c (fold_comparison): Handle pointer comparison
5699 again for all comparison codes. Compare offsets in signed
5701 (fold_binary): Move code from here.
5703 2006-06-03 Roger Sayle <roger@eyesopen.com>
5706 * config/i386/i386.c (construct_container): Split static issued_error
5707 flag into issued_sse_arg_error, issued_sse_ret_error and
5708 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5709 requires the use of x87 registers and the user explicitly
5710 specified the -mno-80387 command line option.
5712 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5714 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5715 HAVE_DECL_SIGALTSTACK.
5717 (segv_handler): Use MC_FLD.
5718 * configure.ac: Check for a sigaltstack declaration.
5719 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5720 * configure: Regenerate.
5721 * config.in: Regenerate.
5723 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5726 * Makefile.in (stmp-fixinc): Fix typo.
5728 2006-06-02 Roger Sayle <roger@eyesopen.com>
5730 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5731 are type correct. Clean-up.
5732 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5733 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5735 2006-06-01 DJ Delorie <dj@redhat.com>
5737 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5738 shift, as we've disabled the "switch" insn that needs it.
5740 2006-06-01 Per Bothner <bothner@bothner.com>
5742 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5743 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5744 * c-ppoutput.c (cb_define): Don't increment line 0.
5746 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5748 * doc/invoke.texi: Add cpu_type power6.
5749 * config.gcc: Add cpu_type power6.
5750 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5751 to power5+ with Altivec.
5752 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5753 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5755 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5757 * config/avr/avr.h (SET_ASM_OP): Define.
5759 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5761 * config/bfin/bfin.c: Fix comment typos.
5763 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5766 * doc/install.texi: Document --enable-bootstrap and
5767 --disable-bootstrap.
5769 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5771 * doc/install.texi: Document that InfoZIP can replace jar.
5773 2006-05-31 Roger Sayle <roger@eyesopen.com>
5775 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5776 isn't available, directly generate the simpler x87 patterns without
5777 the (use (const_int 0)).
5778 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5779 implementation isn't available.
5780 (*negdf2_1): Likewise.
5781 (*negxf2_1): XF mode negation is always done using the x87.
5782 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5784 2006-05-31 Roger Sayle <roger@eyesopen.com>
5786 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5787 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5789 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5791 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5793 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5794 * config/bfin/bfin.c (basic-block.h): Include.
5795 (struct machine_function): New.
5796 (bfin_init_machine_status): New.
5797 (override_options): Initialize init_machine_status.
5798 (bfin_hardware_loop): New.
5799 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5800 (DEF_VEC_P (loop_info)): New.
5801 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5802 (struct loop_info): New.
5803 (loop_info): New typedef.
5804 (struct loop_work): New.
5805 (loop_work): New typedef.
5806 (DEF_VEC_O (loop_work)): New.
5807 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5808 (bfin_dump_loops): New.
5809 (bfin_bb_in_loop): New.
5810 (bfin_scan_loop): New.
5811 (bfin_optimize_loop): New.
5812 (bfin_reorg_loops): New.
5813 (bfin_reorg): Use bfin_reorg_loops.
5814 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5816 (I_REGNO_P): Simplify.
5817 (DP_REGNO_P, DPREG_P): New macros.
5818 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5819 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5820 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5821 Add LT_REGS, LC_REGS, LB_REGS.
5822 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5824 (REGNO_REG_CLASS): Deal with loop registers.
5825 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5827 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5828 New constants for loop registers.
5829 (UNSPEC_LSETUP_END): New.
5830 (seq_insns): New define_attr. Set it for appropriate insns.
5831 (movsi_insn): Add alternatives for move from/to
5832 loop count registers.
5833 (doloop_end): New define_expand.
5834 (loop_end): New define_insn.
5835 (define_split for bad doloop_end): New.
5836 (lsetup_with_autoinit): New define_insn.
5837 (lsetup_without_autoinit): New define_insn.
5838 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5839 * config/bfin/predicates.md (lc_register_operand): New.
5840 (lt_register_operand): New.
5841 (lb_register_operand): New.
5842 (nondp_register_operand): New.
5843 (nondp_reg_or_memory_operand): New.
5844 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5846 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5848 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5849 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5851 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5853 * Makefile.in (CATALOGS): Add po/ prefix.
5854 * configure: Regenerated.
5856 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5859 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5860 a shift operand before calling shift_op. Avoid redundant call of
5863 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5864 DJ Delorie <dj@redhat.com>
5866 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5867 we're inserting is a singlt-bit constant.
5869 2006-05-30 Roger Sayle <roger@eyesopen.com>
5871 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5872 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5874 2006-05-30 Roger Sayle <roger@eyesopen.com>
5876 PR tree-optimization/23452
5877 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5878 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5879 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5880 complex values and with -ffast-math for FP complex values.
5882 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5884 * c-common.h: Remove the prototype for yyparse.
5885 * rtl.h: Remove the prototype for init_loop.
5887 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5889 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5892 2006-05-30 Roger Sayle <roger@eyesopen.com>
5894 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5896 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5897 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5899 2006-05-30 Dirk Mueller <dmueller@suse.de>
5902 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5903 for CONSTANT_CLASS_P expresisons.
5905 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5908 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5910 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5912 PR tree-optimization/27779
5913 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5914 initial_condition instead of CHREC_LEFT.
5916 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5918 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5919 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5920 Make prototypes ISO C90.
5922 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5923 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5925 * see.c (see_analyze_one_def): Correct check.
5926 (see_get_extension_data): Check if extension is parallel.
5927 (see_get_extension_reg): Likewise.
5929 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5932 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5933 into register for (code == GTU).
5935 2006-05-29 Roger Sayle <roger@eyesopen.com>
5937 PR tree-optimization/24964
5938 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5939 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5940 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5941 abs(x)*abs(x) as x*x for scalar floating point modes.
5943 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5946 * lambda-code.c (perfect_nestify): Don't copy statements
5947 in the inner loop: move them to the inner loop header.
5949 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5952 * c-tree.texi: Document OpenMP directives and clauses.
5954 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5956 * varasm.c (globalize_decl): Fix indentation.
5958 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5961 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5962 pass_fre, pass_store_ccp, pass_copy_prop,
5963 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5964 pass_return_slot, pass_object_size, pass_lim,
5965 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5966 pass_loop_prefetch and pass_stdarg.
5968 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5970 * config/bfin/bfin.opt (mfdpic): New option.
5971 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5972 (EXTRA_MULTILIB_PARTS): Likewise.
5973 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5974 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5976 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5977 (CRT_CALL_STATIC_FUNCTION): New.
5978 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5980 (CRT_CALL_STATIC_FUNCTION): New.
5981 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5983 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5984 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5985 (initialize_trampoline): Changed to handle FD-PIC code generation.
5986 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5987 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5988 (override_options): Disallow -mid-shared-library -mfdpic combination.
5989 Can't do unaligned ops if FD-PIC.
5990 Turn off flag_pic if trying to generate non-id-shared-library
5991 non-fdpic code, since it's not supported.
5992 (bfin_assemble_integer): New function.
5993 (TARGET_ASM_INTEGER): Define.
5994 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5996 * config/bfin/crtn.s: Restore them.
5997 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5999 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
6000 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
6001 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
6002 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
6003 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
6005 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
6006 FDPIC_REGS and FDPIC_FPTR_REGS.
6007 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
6008 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
6009 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
6010 (load_funcdescsi): New pattern.
6011 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
6012 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
6013 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6015 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6017 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6020 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6022 * tree-flow.h: Remove the prototype for add_type_alias.
6023 * tree-ssa-alias.c (add_type_alias): Remove.
6025 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6027 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6028 config/fr30/fr30.md, config/i386/i386-interix.h,
6029 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6030 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6031 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6032 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6033 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6034 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6035 Follow spelling conventions.
6036 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6037 Follow spelling conventions.
6039 2006-05-27 Richard Guenther <rguenther@suse.de>
6042 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6043 to produce a constant of value 1 of generic type.
6045 2006-05-27 Dirk Mueller <dmueller@suse.de>
6047 * cgraphunit.c (decide_is_function_needed): Fix wrong
6050 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6052 PR rtl-optimization/27661
6053 * reload.c (find_reloads): When reloading a VOIDmode constant
6054 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6055 use Pmode as mode of the reload register.
6057 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6059 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6060 is enabled at -O and above.
6062 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6065 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6068 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6071 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6072 for anonymous variables explicitly declared by front ends.
6074 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6076 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6077 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6078 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6079 ref-all pointers, run a finalization pass for them.
6080 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6081 (finalize_ref_all_pointers): New function.
6082 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6083 regular pointer type to a ref-all pointer type.
6084 (get_tmt_for): Return the special memory tag for ref-all pointers.
6086 2006-05-25 Richard Guenther <rguenther@suse.de>
6089 * fold-const.c (fold_binary): Do not look at the stripped
6090 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6092 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6094 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6095 for LT and GT if the computed range is effectively empty.
6097 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6100 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6101 mips_quad_format formats instead of ieee_single_format,
6102 ieee_double_format and ieee_quad_format formats, respectively.
6104 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6106 PR tree-optimization/27639
6107 PR tree-optimization/26719
6108 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6109 call to scev_probably_wraps_p.
6110 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6111 used_in_pointer_arithmetic_p, convert_step): Removed.
6112 (nowrap_type_p): New function.
6113 (scev_probably_wraps_p): Rewritten.
6114 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6115 chrec_convert if chrec_convert_aggressive might have been used.
6116 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6117 scev_direction): New functions.
6118 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6119 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6120 instead of convert_step.
6121 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6122 (convert_step): Declaration removed.
6123 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6125 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6127 * df-core.c: Added to header comments.
6128 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6129 df_ur_bb_info, df_urec_bb_info): Added comments.
6130 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6131 urec, ri problems): Fixed header comments.
6132 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6133 code from df_rd_transfer_function.
6135 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6137 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6138 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6139 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6141 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6143 * expr.c (undefined_operand_subword_p): New.
6144 (emit_move_multi_word): Do not generate move from undefined bits
6145 of a paradoxical subreg.
6147 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6149 PR rtl-optimization/27736
6150 * combine.c (replaced_rhs_value): New variable.
6151 (combine_instructions): Set it.
6152 (distribute_notes): When distributing a note in replaced_rhs_insn,
6153 check whether the value was used in replaced_rhs_value.
6155 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6158 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6159 add_referenced_var instead of add_referenced_tmp_var.
6160 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6161 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6163 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6164 tree_optimize_tail_calls_1): Use add_referenced_var.
6165 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6166 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6167 Use add_referenced_var.
6168 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6169 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6170 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6171 Use add_referenced_var.
6172 * tree-dfa.c (struct walk_state): Remove.
6173 (find_referenced_vars): Remove walk state and vars_found hash table.
6174 (make_rename_temp): Use add_referenced_var.
6175 (find_vars_r): Pass less parameters to add_referenced_var.
6176 (referenced_var_p): New. Is var in referenced_var hash table.
6177 (referenced_var_insert): Assert var isn't already in hash table.
6178 (add_referenced_var): Don't need walk_state parameter. Add var if it
6179 isn't already in the hash table.
6180 (add_referenced_tmp_var): Remove.
6181 (find_new_referenced_vars_1): Use add_referenced_var.
6182 * tree-ssa-pre.c (create_expression_by_pieces,
6183 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6184 Use add_referenced_var.
6185 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6186 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6187 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6189 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6190 vect_create_data_ref_ptr, vect_create_destination_var,
6191 vect_init_vector, vect_build_loop_niters,
6192 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6193 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6194 Use add_referenced_var.
6195 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6196 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6197 (add_referenced_var): Add prototype.
6198 * tree-ssa-structalias.c (get_constraint_for,
6199 intra_create_variable_infos): Use add_referenced_var.
6201 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6203 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6204 big-endian paradoxical subregs.
6205 * var-tracking.c (struct micro_operation_def): Document that,
6206 for modify micro operations, insn is the subsequent instruction.
6207 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6208 (var_reg_set, var_mem_set): ... new functions.
6209 (add_stores): Record subsequent insn.
6210 (compute_bb_dataflow): Use new functions for MO_USE.
6211 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6212 notes after the insn, and modify notes before the insn known
6213 to be the subsequent one.
6214 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6216 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6219 * config/i386/i386.c (ix86_expand_builtin): Use
6220 gen_sse3_monitor64 for TARGET_64BIT.
6222 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6224 PR rtl-optimization/26375
6225 PR rtl-optimization/26855
6226 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6228 (df_ru_bb_local_compute): Reversed statements and removed bogus
6229 comment explaining why they should be in wrong order.
6230 (df_ru_dump, df_rd_dump): Enhanced debug info.
6231 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6233 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6234 reaching uses and fixed space problem.
6236 2006-05-23 Jan Hubicka <jh@suse.cz>
6238 * cgraphunit.c (decide_is_function_needed): Also nested functions
6239 and functions declared inline can be optimized out at -O0.
6241 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6243 * doc/install.texi (Configuration): Remove reference to CrossGCC
6247 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6250 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6251 ix86_compare_emitted is non-NULL.
6253 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6256 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6259 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6261 PR rtl-optimization/25514
6262 * combine.c (replaced_rhs_insn): New variable.
6263 (combine_instructions): Set replaced_rhs_insn when trying to replace
6264 a SET_SRC with a REG_EQUAL note.
6265 (distribute_notes): Use replaced_rhs_insn when determining the live
6266 range of a REG_DEAD register.
6268 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6269 Anatoly Sokolov <aesok@post.ru>
6271 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6272 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6273 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6274 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6275 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6276 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6277 at90usb647, at90usb1286 and at90usb1287 devices.
6278 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6279 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6281 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6283 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6285 2006-05-22 Richard Guenther <rguenther@suse.de>
6288 2006-01-31 Richard Guenther <rguenther@suse.de>
6289 Paolo Bonzini <bonzini@gnu.org>
6291 * doc/install.texi (--disable-libgcc-math): Document.
6293 2006-05-22 Richard Guenther <rguenther@suse.de>
6296 2006-01-31 Richard Guenther <rguenther@suse.de>
6298 * doc/invoke.texi (-msselibm): Document.
6299 * target.h (expand_library_builtin): New target hook.
6300 * builtins.c (expand_builtin): Use expand_library_builtin.
6301 (default_expand_library_builtin): New function.
6302 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6303 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6304 (link_gcc_math_spec): Declare.
6305 (static_specs): Add link_gcc_math_spec.
6306 * expr.h (default_expand_library_builtin): Declare.
6307 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6308 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6309 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6310 * config/i386/i386.opt (msselibm): New target option.
6311 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6312 (ix86_init_sse_abi_builtins): New function.
6313 (ix86_expand_library_builtin): Likewise.
6314 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6315 (override_options): Handle error conditions wrt -msselibm.
6316 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6317 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6318 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6321 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6324 * c-common.c (self_promoting_args_p): Skip erroneous args.
6327 * c-decl.c (finish_struct): Skip erroneous fields.
6329 2006-05-22 Nick Clifton <nickc@redhat.com>
6331 * config/cris/cris.opt (march): Remove VarExists attribute.
6332 (max-stackframe=): Likewise.
6334 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6336 * doc/rtl.texi: Fix a typo.
6337 * see.c: Fix comment typos.
6339 * tree-ssa-structalias.h (alias_info): Remove num_references.
6341 2006-05-21 Mike Stump <mrs@apple.com>
6343 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6345 (darwin_pragma_options): Use BAD instead.
6346 (darwin_pragma_unused): Likewise.
6347 (darwin_pragma_ms_struct): Likewise.
6349 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6351 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6353 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6355 PR rtl-optimization/27671
6356 * simplify-rtx.c (simplify_relational_operation_1): Fix
6357 simplifications of (eq/ne (xor x y) y) and
6358 (eq/ne (xor x y) x).
6360 PR tree-optimization/26622.
6361 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6364 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6366 * tree-cfg.c: Prune whitespace.
6367 (debug_tree_cfg): Point to correct header containing the
6370 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6373 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6375 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6378 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6379 or sorry count is non zero.
6381 2006-05-20 Andreas Schwab <schwab@suse.de>
6383 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6385 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6386 Kenneth Zadeck <zadeck@naturalbridge.com>
6388 PR rtl-optimization/26855
6390 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6392 (df_scan_alloc): Added code to properly handle multiword hard
6393 registers and add all_blocks parameter.
6394 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6395 code to properly handle multiword hard registers.
6396 (df_rescan_blocks): Added code to remove deleted blocks from
6398 (df_ref_create_structure, df_ref_record): Added code to properly
6400 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6401 and set DF_REF_PARTIAL.
6402 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6403 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6404 (df_scan_add_problem): Added flags parameter.
6405 (df_ref_create_structure): Changed switching structure.
6406 (df_bb_refs_record): Fixed case where duplicate artificial refs
6407 were created. Changed location of flags.
6408 (df_record_entry_block_defs): Added code to make stack pointer
6409 live in entry block. Refined cases where frame pointer is needed.
6410 Changed location of flags.
6411 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6412 (df_set_state): Removed function.
6413 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6414 df_insn_create_insn_record, df_insn_refs_delete,
6415 df_ref_create_structure): Formatting changes.
6416 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6417 df_delete_basic_block): New function.
6418 (df_init): Changed location of flags.
6419 (df_add_problem): Added flags parameter and the way flags are
6421 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6422 debug_df_chain): Improved debugging output.
6423 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6424 (df_refs_chain_dump): Removed df parameter.
6425 (df_iterative_dataflow): Added consistency check.
6426 (df_prune_to_subcfg): Made public.
6427 (df_analyze_problem): Added blocks_to_init parameter and made
6429 (df_ref_record, df_bb_refs_record, df_mark_reg,
6430 df_record_exit_block_uses): Whitespace changes.
6431 (df_dump): Whitespace changes.
6432 * df.h: Some reordering to remove forward references.
6433 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6434 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6435 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6436 (dataflow.flags): New field.
6437 (df.flag): Deleted field.
6438 (df_alloc_function): Added additional bitmap parameter.
6439 (df_dependent_problem_function): New type.
6440 (df_problem.changeable_flags): New field.
6441 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6442 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6443 (df_mw_hardreg): New struct.
6444 (DF_INSN_UID_MWS): New macro.
6445 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6447 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6448 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6449 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6450 (df_set_state): Removed function.
6451 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6452 * df-problems.c (df_chain_dump): Removed df parameter.
6453 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6454 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6456 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6457 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6458 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6459 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6460 DF_REF_MUST_CLOBBER cases.
6461 (df_ru_bb_local_compute_process_def,
6462 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6463 df_lr_bb_local_compute, df_ur_bb_local_compute,
6464 df_chain_create_bb): Made subreg aware.
6465 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6466 df_lr_bb_local_compute, df_lr_bb_local_compute,
6467 df_chain_create_bb): Cleanup to use proper macros.
6468 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6469 code to fixup bitvectors.
6470 (df_ri_alloc): Cleared lifetime.
6471 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6472 df_create_unused_note): New function.
6473 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6474 REG_DEAD and REG_UNUSED notes as well as register information.
6475 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6476 df_chains_dump): Fixed crash if problem was never run.
6477 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6478 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6479 df_ri_add_problem): Processes flags in uniform manner.
6480 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6481 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6482 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6483 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6484 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6485 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6486 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6487 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6488 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6489 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6490 * see.c (see_initialize_data): Ditto.
6491 * final.c (rest_of_clean_state) Added regstack_completed.
6492 * rtl.h (regstack_completed): Ditto.
6493 * reg-stack.c (regstack_completed): Ditto.
6495 2006-05-19 Mike Stump <mrs@apple.com>
6497 * c-tree.h (default_conversion): Remove.
6498 * c-common.h (default_conversion): Add.
6500 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6502 * tree-vrp.c (valid_value_p): New function.
6503 (adjust_range_with_scev): Fail if the value of bound is not
6506 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6508 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6509 (mips_fallback_frame_state): Use syscall numbers to determine
6510 the appropriate li instruction for the current ABI. Only use
6511 __NR_sigreturn for o32.
6513 2006-05-19 Nicolas Setton <setton@adacore.com>
6515 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6516 * langhooks.c (lhd_dwarf_name): New function.
6517 * langhooks-def.h (lhd_dwarf_name): Declare.
6518 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6519 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6520 * ada/misc.c (gnat_dwarf_name): New function.
6521 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6523 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6525 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6527 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6528 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6529 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6530 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6531 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6532 determine the size of Wtype, etc.
6533 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6534 (swfloatfuncs): New variable.
6535 (dwfloatfuncs): Likewise.
6536 (lib2funcs): Remove floating-point conversion functions from
6537 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6538 the set of conversion routines needed. Allow entries to specify
6539 an object name, filename and word size. Update users accordingly.
6540 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6541 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6545 2006-02-08 Roger Sayle <roger@eyesopen.com>
6548 * config/fixtfdi.c: New libgcc source file.
6549 * config/fixunstfdi.c: New source file.
6550 * config/floatditf.c: New source file.
6551 * config/floatunditf.c: New souce file.
6552 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6553 files above instead of config/mips/_tilib.c.
6554 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6556 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6558 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6559 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6561 2006-05-18 Mike Stump <mrs@apple.com>
6563 Fix up vla, vm and [*] sematics.
6569 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6570 (c_vla_unspec_p): Add.
6571 (c_vla_type_p): Add.
6572 * c-decl.c (struct c_scope): Add had_vla_unspec.
6573 (build_array_declarator): Add support for [*].
6574 (grokdeclarator): Likewise.
6575 (grokparms): Likewise.
6576 (get_parm_info): Likewise.
6577 * c-objc-common.c (c_vla_unspec_p): Likewise.
6578 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6579 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6580 typeof when argument is a variably modified type not inside sizeof or alignof.
6581 (c_parser_direct_declarator_inner): Propagate errors.
6582 (c_parser_sizeof_expression): Add support for [*].
6583 (c_parser_parms_declarator): Initialize had_vla_unspec.
6584 (c_parser_parms_list_declarator): Likewise.
6585 * c-typeck.c (c_vla_type_p): Add.
6586 (composite_type): Add support for vla compositing.
6587 (comptypes_internal): Add support for vla compatibility.
6588 (c_expr_sizeof_expr): Evaluate vla arguments.
6589 * tree.c (variably_modified_type_p): Update comment for [*].
6591 2006-05-18 Michael Matz <matz@suse.de>
6594 * config.host: Make assignments to host_xmake_file cumulative.
6595 * config.host (*-darwin*): Test $host, not $target.
6597 2006-05-12 Stuart Hastings <stuart@apple.com>
6599 * config/i386/i386.opt (-mstackrealign): New flag.
6600 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6601 (ix86_handle_cconv_attribute): Emit error when
6602 force_align_arg_pointer attribute collides with too many regparms.
6603 (ix86_function_regparm): Limit regparms when used with
6604 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6605 Support stack-realigning prologue in non-main functions. Emit
6606 warning for nested functions under -mstackrealign, emit error for
6607 nested functions with force_align_arg_pointer attribute.
6608 * doc/extend.texi (force_align_arg_pointer): Document it.
6609 * doc/invoke.texi (-mstackrealign): Document it.
6611 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6613 PR rtl-optimization/27477
6614 * combine.c (try_combine): Don't split a parallel consisting
6615 of two sets into two individual sets if both sets reference
6618 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6620 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6621 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6623 * doc/options.texi (VarExists): Updated.
6625 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6627 * unwind-dw2.c: Add declarations for uw_update_context and
6629 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6630 detected, advance frame state and context once to skip over stub.
6632 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6636 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6637 Call rewrite_into_loop_closed_ssa only when something changed.
6638 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6639 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6640 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6641 Test for perfect_nest_p here. Fix formating.
6642 (replace_uses_equiv_to_x_with_y): Fix formating.
6643 (stmt_uses_op): Removed.
6644 (can_convert_to_perfect_nest): Removed loopivs parameter.
6645 Complete the test by checking the scalar dependences.
6646 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6649 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6652 From Dan Kegel <dank@kegel.com>:
6653 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6655 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6657 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6658 if the element type is variably modified without recursing.
6660 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6663 * tree-loop-linear.c (try_interchange_loops): Test for
6664 no data dependences.
6666 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6668 PR tree-optimization/27548
6669 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6670 range of ssa names that appear on abnormal edges.
6671 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6672 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6674 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6677 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6679 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6682 * tree.h (OMP_PARALLEL_COMBINED): Define.
6683 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6684 (new_omp_context): Add is_combined_parallel argument.
6685 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6686 new_omp_context caller.
6687 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6688 Adjust gimplify_scan_omp_clauses callers.
6689 (omp_is_private): Issue errors if iteration variable is firstprivate
6690 or reduction in the current context.
6691 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6692 on combined parallel workshare constructs.
6694 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6696 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6697 (gcc-options.o): New rule.
6699 * optc-gen.awk: Protect variables for gcc-options.o with
6700 #ifdef GCC_DRIVER/#endif.
6702 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6704 Fix PR tree-optimization/27373
6705 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6706 (forward_propagate_addr_expr): Update call.
6708 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6710 * doc/options.texi: Move the Negative option.
6712 2006-05-16 Richard Guenther <rguenther@suse.de>
6714 PR tree-optimization/22303
6715 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6717 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6718 ccp_fold did not simplify the statement.
6720 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6723 * Makefile.in (GCC_OBJS): New.
6724 (OBJS-common): Add opts-common.o.
6725 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6726 (cpp$(exeext)): Likewise.
6727 (gcc.o): Also depend on opts.h.
6728 (opts-common.o): New.
6730 * common.opt (gcoff): Add Negative(gdwarf-2).
6731 (gdwarf-2): Add Negative(gstabs).
6732 (gstabs): Add Negative(gstabs+).
6733 (gstabs+): Add Negative(gvms).
6734 (gvms): Add Negative(gxcoff).
6735 (gxcoff): Add Negative(gxcoff+).
6736 (gxcoff+): Add Negative(gcoff).
6737 * config/i386/i386.opt (m32): Add Negative(m64).
6738 (m64): Add Negative(m32).
6740 * doc/options.texi: Document the Negative option.
6742 * gcc.c: Include "opts.h".
6743 (main): Call prune_options after expandargv.
6745 * optc-gen.awk: Generate common declarations for all flag
6746 variables in options.c. Output the neg_index field.
6748 * opts.c (find_opt): Moved to ...
6749 * opts-common.c: Here. New file.
6751 * opts.h (cl_option): Add a neg_index field.
6753 (prune_options): Likewise.
6755 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6758 * omp-low.c (expand_omp_parallel): Don't assert
6759 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6760 instead search for it.
6763 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6766 2006-05-16 Andreas Schwab <schwab@suse.de>
6768 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6771 2006-05-15 Roger Sayle <roger@eyesopen.com>
6774 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6775 integer constants other than zero are only legitimate on TARGET_64BIT.
6776 <CONST_VECTOR> Only zero vectors are legitimate.
6777 (ix86_cannot_force_const_mem): Integral and vector constants can
6778 always be put in the constant pool.
6780 2006-05-16 DJ Delorie <dj@redhat.com>
6782 * crtstuff.c (__dso_handle): Set section from
6783 TARGET_LBIGCC_SDATA_SECTION if defined.
6784 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6785 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6787 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6790 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6793 2006-05-16 Ben Elliston <bje@au.ibm.com>
6795 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6797 2006-05-15 Per Bothner <per@bothner.com>
6799 * tree.c: (last_annotated_node): Use source_locus typedef.
6800 This permits bootstrapping with --enable-mapped-location.
6802 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6804 PR tree-optimization/26830
6805 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6806 (info_for_ssa_name, current_info_for_ssa_name_age,
6807 blocks_to_update): New variables.
6808 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6809 (clear_ssa_name_info, initialize_flags_in_bb,
6810 mark_block_for_update): New functions.
6811 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6812 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6813 prepare_def_site_for): Use mark_block_for_update.
6814 (mark_def_interesting): Assert that the processed block is marked in
6815 blocks_to_update. Do not take blocks argument.
6816 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6818 (rewrite_update_init_block, rewrite_update_stmt): Only process
6819 blocks with statements to rewrite.
6820 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6821 (update_ssa): Initialize and free blocks_to_update. Do not
6822 clear flags on statements. Do not use blocks bitmap.
6823 * tree.h (SSA_NAME_AUX): Removed.
6824 (struct tree_ssa_name): Removed aux field.
6825 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6827 2006-05-15 Richard Guenther <rguenther@suse.de>
6829 PR tree-optimization/27603
6830 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6831 Do computations in original type.
6833 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6835 * see.c: Code style changes such as redundant paranthesis,
6836 redundant intialization of local variables etc.
6837 (see_main): Declared now as static.
6838 * doc/invoke.texi: Update that -fsee is not enabled by
6841 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6843 * omp-low.c (check_omp_nesting_restrictions): New function.
6844 (scan_omp_1): Call it.
6847 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6848 construct, return *VAR.
6850 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6852 PR rtl-optimization/27406
6853 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6856 2006-05-14 Roger Sayle <roger@eyesopen.com>
6858 PR rtl-optimization/27538
6859 * combine.c (expand_compound_operation): Call gen_lowpart
6860 before calling simplify_shift_const.
6862 2006-05-14 Roger Sayle <roger@eyesopen.com>
6864 PR rtl-optimization/22563
6865 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6866 a fixed width bitfield, always force the intermediates into psuedos.
6868 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6871 * mkconfig.sh: Use operator = instead of == for test.
6873 2006-05-13 Nick Clifton <nickc@redhat.com>
6875 * dwarf2out.c (dbx_reg_number): Check return value from
6876 LEAF_REG_REMAP and only use it if it is valid.
6877 (multiple_reg_loc_descriptor): Likewise.
6879 2006-05-13 Richard Guenther <rguenther@suse.de>
6881 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6884 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6886 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6887 information attached to non-INSNs such as NOTEs.
6888 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6890 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6892 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6894 * config/s390/s390.md: Adjust comment describing On constraint.
6896 2006-05-11 Jan Hubicka <jh@suse.cz>
6898 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6899 to be output at -O0.
6901 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6904 * fold-const.c (size_binop): Move sanity check for arguments to
6905 the beginning of the function.
6908 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6911 2006-05-11 Richard Guenther <rguenther@suse.de>
6914 * fold-const.c (fold_unary): Handle intermediate conversion
6915 to a pointer type like intermediate conversion to an integer
6916 type in folding of (T1)(T2)var to var.
6917 Match the code to the comment in the final conversion for
6918 (T1)(T2)var to (T1)var regarding to type precision. Rather
6919 than disallow T1 being of pointer type, assert that both T1
6920 and var are of pointer type or not. Make sure not to fall
6921 over the frontends lazyness wrt array to pointer decay though.
6923 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6925 * arm.c (arm_struct_value_rtx): Delete.
6926 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6927 (arm_init_cumulative_args): Always initialize nregs to zero.
6929 2006-05-10 Richard Guenther <rguenther@suse.de>
6931 PR tree-optimization/27532
6932 * tree-object-size.c (plus_expr_object_size): Fix typo.
6934 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6937 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6938 ashrdi_const, ashrdi3): Use a scratch register.
6940 2006-05-10 Richard Guenther <rguenther@suse.de>
6942 PR tree-optimization/27302
6943 * fold-const.c (operand_equal_p): For two comparisons,
6944 try comparison of one comparison code swapped if that yields
6947 2006-05-10 Ben Elliston <bje@au.ibm.com>
6949 * tree-pretty-print.c (pretty_print_string): No need to handle
6950 '\0' as a special character.
6952 * tree.h: Include "hashtab.h".
6953 (iterative_hash_expr): Use hashval_t in its prototype.
6954 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6956 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6959 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6960 (hppa*64*-*-hpux11*): Ditto.
6961 (hppa[12]*-*-hpux11*): Ditto.
6963 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6966 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6968 2006-05-09 Michael Matz <matz@suse.de>
6970 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6971 host_extra_gcc_objs and host_xmake_file.
6972 (<*-*-linux*>): Don't overwrite host_xmake_file.
6973 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6974 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6975 (host_detect_local_cpu): Declare.
6976 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6977 * config/i386/i386.c (override_options): Handle -mtune=native
6979 * config/i386/x-i386: New file.
6980 * config/i386/driver-i386.c: New file.
6981 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6984 2006-05-09 Dirk Mueller <dmueller@suse.de>
6985 Richard Guenther <rguenther@suse.de>
6988 * fold-const.c (fold_read_from_constant_string): Relax check
6989 for matching types to matching modes.
6991 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6993 PR rtl-optimization/27335
6994 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6997 2006-05-08 Chao-ying Fu <fu@mips.com>
6998 Richard Sandiford <richard@codesourcery.com>
7000 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
7001 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
7002 * config/mips/mips.md (UNSPEC_SCC): New constant.
7003 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
7004 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
7005 (mips_emit_compare): Use it.
7006 (mips_expand_vcondv2sf): New function.
7008 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
7010 Fix PR tree-optimization/27093
7011 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
7012 renaming when they become not-used_alone.
7014 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7016 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7017 relocation and relocation stubs.
7019 2006-05-08 Eric Christopher <echristo@apple.com>
7021 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7024 2006-05-08 Jan Hubicka <jh@suse.cz>
7027 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7028 unused static functions are needed.
7030 2006-05-08 Roger Sayle <roger@eyesopen.com>
7033 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7034 of a reg_equiv_constant if the result is a legitimate constant.
7036 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7039 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7040 standard 80387 constants, raise the cost to prevent
7041 compress_float_constant() to generate load from memory.
7043 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7045 * config/arm/constraints.md (c): Fix a typo.
7047 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7050 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7053 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7055 (_mm_mwait): Likewise.
7057 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7059 (sse3_monitor): Make it 32bit only.
7060 (sse3_monitor64): New. 64bit monitor.
7062 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7065 * config/i386/i386.c (classify_argument): Skip fields with invalid
7068 2006-05-07 Richard Guenther <rguenther@suse.de>
7070 PR tree-optimization/27409
7071 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7072 Do not try to find zero-sized subvars.
7074 2006-05-07 Richard Guenther <rguenther@suse.de>
7076 PR tree-optimization/27136
7077 * tree-ssa-loop-niter.c (get_val_for): Correct function
7078 comment, assert requirements.
7079 (loop_niter_by_eval): Stop processing if the iterated
7080 value did not simplify.
7082 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7084 * opts.c (flag_see): remove its setting at -O3.
7086 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7088 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7089 * arm/constraints.md: New file.
7090 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7091 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7092 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7093 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7094 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7095 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7096 * arm.md: Include constraints.md.
7097 (thumb_movsi_insn): Use satisfies_constraint_J.
7098 (movhi, movqi): Use satisfies_constraint_I.
7100 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7102 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7103 for atmeg a645 device.
7105 2006-05-06 Richard Guenther <rguenther@suse.de>
7107 PR tree-optimization/27151
7108 * tree-vect-transform.c (vectorizable_condition): Punt on
7109 values that have a different type than the condition.
7111 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7114 * c-parser.c (c_parser_cast_expression): Only insert casts into
7115 hash table if pointer.
7116 * function.c (used_types_insert_helper): Rename from
7118 (used_types_insert): Call used_types_insert_helper.
7119 * function.h (used_types_insert): Accept only one argument.
7121 2006-05-05 David Edelsohn <edesohn@gnu.org>
7123 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7124 scratch with output modifier.
7126 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7129 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7130 with output modifier.
7132 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7135 * config/mips/mips.c (mips_symbolic_address_p): Return true
7136 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7137 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7139 2006-05-04 Richard Guenther <rguenther@suse.de>
7141 PR tree-optimization/14287
7142 PR tree-optimization/14844
7143 PR tree-optimization/19792
7144 PR tree-optimization/21608
7145 PR tree-optimization/27090
7146 * tree-ssa-pre.c (try_combine_conversion): New function.
7147 (compute_avail): After constructing the value-handle
7148 expression, use try_combine_conversion to combine NOP_EXPRs
7149 with previous value-handle expressions and use the result if it
7152 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7154 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7156 2006-05-04 Jan Hubicka <jh@suse.cz>
7159 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7161 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7163 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7164 that this only matches CONST_INTs. All users changed to VOIDmode
7167 * config/bfin/bfin.c: Include "optabs.h".
7168 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7170 (enum bfin_builtins): Add a number of fractional and vector builtins.
7171 (bfin_init_builtins): Likewise.
7172 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7173 (safe_vector_operand, bfin_expand_binop_builtin,
7174 bfin_expand_unop_builtin): New functions.
7175 (bfin_expand_builtin): Handle the new builtins.
7176 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7179 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7182 * Makefile.in (OBJS-common): Add see.o.
7183 (see.o): Add dependencies.
7184 * common.opt (fsee): New flag for the see optimization was added.
7185 * opts.c (flag_see): Initialized.
7186 * passes.c (init_optimization_passes, pass_see): New pass.
7187 * rtl.h (see_main): Declaration as extern.
7188 * timevar.def (TV_SEE): New.
7189 * tree-pass.h (pass_see): Declaration as extern.
7190 * invoke.texi (-fsee): Document.
7191 * recog.c (validate_simplify_insn): New function.
7192 * recog.h (validate_simplify_insn): Declaration as extern.
7193 * df-problems.c (df_chain_dump): Check for NULL.
7195 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7196 Daniel Berlin <dberlin@dberlin.org>
7198 * cfgrtl.c (insert_insn_bb_end_new): New function.
7199 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7201 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7203 * df.h (struct web_entry): Moved from web.c.
7204 (union_defs): Declaration as extern.
7205 (unionfind_root): Likewise.
7206 (unionfind_union): Likewise.
7207 * web.c (struct web_entry): Moved to df.h.
7208 (unionfind_root): Remove static declaration.
7209 (unionfind_union): Likewise.
7210 (union_defs): Likewise and generalize to use callback function.
7211 (web_main): Update arguments for union_defs function call.
7213 2006-05-04 Richard Guenther <rguenther@suse.de>
7215 PR tree-optimization/26447
7216 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7217 produce SSA_NAME copies before the store stmt to avoid
7218 breaking exception handling.
7220 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7223 * gimplify.c (omp_is_private): If var is shared in some outer context,
7224 return false instead of true. Stop searching on parallel context
7227 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7230 * coverage.c: Use get_gcov_unsigned_t() instead of
7231 unsigned_type_node all over.
7233 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7235 PR tree-optimization/27381
7236 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7237 maintain the same immediate_use links.
7238 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7239 node rather than segfaulting.
7241 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7244 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7245 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7246 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7248 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7250 Fix PR tree-optimization/26626
7251 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7253 * tree-ssa-operands.c (access_can_touch_variable): Allow
7254 typecasting through union pointers.
7256 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7259 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7260 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7261 to find if var will be a global variable even in the nested context.
7262 (omp_copy_decl): Only check for global variable at the end, it might
7263 be overridden in outer contexts.
7264 (scan_sharing_clauses): For global variables don't create a field.
7265 (lower_rec_input_clauses): Do nothing for global shared variables.
7266 Emit a barrier at the end of ILIST if there were any decls in both
7267 firstprivate and lastprivate clauses.
7268 (lower_send_clauses): Do nothing for global variables except for
7271 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7273 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7274 of the correct signedness is returned.
7276 2006-05-02 Jeff Law <law@redhat.com>
7278 PR tree-optimization/27364
7279 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7280 multiply expressions.
7282 2006-05-02 Tom Tromey <tromey@redhat.com>
7284 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7286 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7289 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7290 -mthumb -fPIC are used.
7292 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7293 Joshua Kinard <kumba@gentoo.org>
7296 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7297 with 64-bit pointers.
7299 2006-05-02 Paul Brook <paul@codesourcery.com>
7301 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7303 (create_fix_barrier): Check that a suitable barrier location is
7305 (arm_reorg): Include ftmp->address in allowable range of addresses.
7307 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7310 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7313 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7316 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7317 around RESULT_DECL for result passed by reference.
7318 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7319 * omp-low.c (use_pointer_for_field): Don't look at
7320 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7321 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7322 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7323 time or var for passing by reference for
7324 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7325 TREE_ADDRESSABLE variables when passing by reference.
7327 * omp-low.c (dump_omp_region): Fix output formatting.
7330 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7331 (expand_omp_parallel): Likewise.
7332 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7335 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7336 on statement list containing also constructors and destructors.
7337 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7340 * except.c (duplicate_eh_regions): Fix clearing of
7341 cfun->eh->region_array entries.
7343 2006-05-01 DJ Delorie <dj@redhat.com>
7345 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7347 (gcc_cv_objdump): Likewise.
7348 * configure: Regenerated.
7350 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7353 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7354 templates for case 3 and 4.
7356 2006-05-01 DJ Delorie <dj@redhat.com>
7358 * vec.c: Include bconfig.h when appropriate.
7359 * Makefile.in (build/vec.o): Adjust dependencies.
7360 * mkconfig.sh: Make sure config.h isn't used for build machine
7363 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7365 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7367 (mark_phi_for_rewrite): New function.
7368 (insert_phi_nodes_for, mark_use_interesting): Call
7369 mark_phi_for_rewrite.
7370 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7371 (update_ssa): Initialize and free phis_to_rewrite.
7373 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7375 PR rtl-optimization/27291
7376 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7377 folded to a constant.
7379 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7381 PR tree-optimization/27283
7382 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7383 not whole # of iteration descriptions.
7384 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7385 uses abnormal ssa name.
7386 (niter_for_single_dom_exit): Ditto.
7387 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7388 return just the number of iterations.
7390 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7392 PR tree-optimization/27144
7393 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7394 (record_estimate): Only record constant upper bound.
7395 (infer_loop_bounds_from_undefined): Call
7396 compute_estimated_nb_iterations just once.
7397 (proved_non_wrapping_p): Renamed to ...
7398 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7399 (convert_step_widening, scev_probably_wraps_p): Call
7400 n_of_executions_at_most instead of proved_non_wrapping_p.
7401 (substitute_in_loop_info): Do not replace values in bounds.
7402 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7405 2006-05-01 Richard Henderson <rth@redhat.com>
7408 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7409 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7412 2006-05-01 Roger Sayle <roger@eyesopen.com>
7414 * c-typeck.c (parser_build_binary_op): Don't call the function
7415 unsigned_conversion_warning to spot operand/result type overflow.
7416 (build_binary_op): Instead, call convert_and_check instead of
7417 convert to report the problem when the operands are promoted.
7418 * c-common.c (unsigned_conversion_warning): Make static.
7419 * c-common.h (unsigned_conversion_warning): Delete prototype.
7421 2006-05-01 Richard Guenther <rguenther@suse.de>
7423 PR tree-optimization/26726
7424 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7426 (find_interesting_uses_address): ... we work around here
7427 by folding INDIRECT_REFs in the substituted base.
7429 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7431 * omp-low.c (dump_omp_region): Add newlines.
7433 2006-04-30 Roger Sayle <roger@eyesopen.com>
7435 * common.opt (Woverflow): New command line option.
7436 * c-common.c (constant_expression_warning): Check warn_overflow.
7437 (overflow_waring): Pass OPT_Woverflow to warning.
7438 (unsigned_conversion_warning): Likewise.
7439 (convert_and_check): Likewise.
7440 * doc/invoke.texi: Document new command line option.
7442 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7444 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7445 TARGET_NO_FP_IN_TOC for section anchors.
7446 (optimization_options): Enable section anchors for all
7447 non-"Objective" languages.
7449 2006-04-28 Eric Christopher <echristo@apple.com>
7451 * config/darwin-c.c (darwin_ms_struct): Move this
7452 (darwin_set_default_type_attributes): and this...
7453 * config/darwin.c: ... here.
7454 * config/darwin.h (darwin_ms_struct): Declare.
7456 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7458 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7460 2006-04-28 Roger Sayle <roger@eyesopen.com>
7463 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7464 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7465 an unsigned HOST_WIDE_INT.
7466 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7468 (really_start_incremental_init): No need to call convert because
7469 bitsize_zero_node is already of type bitsizetype.
7470 (push_init_level): Extract the value of constructor_index as an
7471 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7472 (process_init_element): Likewise.
7474 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7476 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7477 value before passing to make_relative_prefix.
7479 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7482 * builtins.c (expand_builtin_memset): Expand val in original mode.
7484 2006-04-27 Eric Christopher <echristo@apple.com>
7486 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7487 with #ifndef/#endif.
7488 * config/darwin-c.c (darwin_ms_struct): New.
7489 (darwin_pragma_ms_struct): Ditto.
7490 (darwin_set_default_type_attributes): Ditto.
7491 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7492 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7493 Register ms_struct pragma.
7494 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7495 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7496 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7497 darwin_set_default_type_attributes if TARGET_MACHO.
7499 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7501 PR tree-optimization/26854
7502 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7503 * doc/tree-ssa.texi: Update immuse iterator documentation.
7504 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7505 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7506 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7507 first_safe_imm_use, next_safe_imm_use): Remove.
7508 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7509 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7510 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7511 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7512 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7513 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7514 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7515 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7516 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7517 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7518 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7519 (perfect_nestify): Use new iterator.
7520 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7522 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7523 (next_imm_name): New field in struct immediate_use_iterator_d.
7524 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7525 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7526 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7527 * tree-cfg.c (replace_uses_by): Use new iterator.
7528 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7529 * tree-ssa-operands.c (correct_use_link): Remove.
7530 (finalize_ssa_use_ops): No longer call correct_use_link.
7532 2006-04-27 Stuart Hastings <stuart@apple.com>
7534 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7535 * config/t-darwin (crt3.o): Use it.
7536 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7537 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7538 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7539 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7540 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7543 2006-04-27 Roger Sayle <roger@eyesopen.com>
7545 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7546 size, force the intermediate into a new pseudo rather instead of
7547 performing both a bitwise AND and a bitwise IOR in memory.
7549 2006-04-27 Richard Guenther <rguenther@suse.de>
7551 PR rtl-optimization/26685
7552 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7553 this one "max-flow-memory-locations".
7555 2006-04-27 Richard Guenther <rguenther@suse.de>
7557 PR tree-optimization/25148
7558 * tree-vrp.c (compare_values): Remove code dealing with
7559 comparisons against type min/max value. Honour overflow
7560 and negative constants in code dealing with comparisons
7561 of plus and minus expressions.
7562 (value_inside_range): Use fold_binary with LE_EXPR and
7563 GE_EXPR rather than compare_values.
7565 2006-04-27 Dirk Mueller <dmueller@suse.de>
7567 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7570 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7572 * basic-block.h (safe_insert_insn_on_edge): Removed.
7573 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7575 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7576 Paolo Bonzini <bonzini@gnu.org>
7579 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7580 (simplify_and_const_int): Same.
7582 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7584 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7586 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7589 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7590 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7591 cgraph_global_info_ready.
7594 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7597 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7598 either decl or init is error_mark_node.
7601 * tree-flow.h (struct omp_region): Add sched_kind.
7602 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7603 instead of extracting omp for data.
7604 (expand_omp_for): Save extracted sched_kind.
7606 2006-04-25 Roger Sayle <roger@eyesopen.com>
7608 * expmed.c (store_bit_field): Also check whether the bitsize is
7609 valid for the machine's "insv" instruction before moving the
7610 target into a pseudo for use with the insv.
7611 * config/i386/predicates.md (const8_operand): New predicate.
7612 * config/i386/i386.md (extv, extzv, insv): Use the new
7613 const8_operand predicate where appropriate.
7615 2006-04-25 DJ Delorie <dj@redhat.com>
7617 * doc/install.texi (Specific): Clarify that this is not a list of
7618 supported hosts or targets.
7620 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7622 PR rtl-optimization/26725
7623 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7624 block's BB_DIRTY flag.
7626 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7628 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7631 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7632 to print an integer.
7634 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7636 * varasm.c (align_variable): New function.
7637 (get_block_for_decl): Apply align_variable to DECL before
7638 calculating section information.
7639 (assemble_variable): Split out alignment computation.
7641 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7643 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7646 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7648 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7649 MODE_PARTIAL_INT mode.
7650 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7651 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7653 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7654 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7656 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7658 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7660 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7661 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7662 MACFLAG_IH): Likewise.
7663 (movstricthi_1): Renamed from "*movstricthi".
7664 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7665 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7666 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7667 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7668 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7669 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7670 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7671 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7672 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7673 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7674 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7675 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7676 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7677 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7678 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7680 * doc/rtl.texi (ss_ashift): Improve wording.
7682 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7684 * dwarf2out.c (verify_marks_clear): New.
7685 (prune_unused_types): Call verify_marks_clear initially, not
7688 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7690 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7691 * doc/rtl.texi: Document them.
7692 * simplify-rtx.c (simplify_unary_operation,
7693 simplify_binary_operation_1): Don't abort when we see them.
7695 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7698 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7699 * configure.ac: Completely disregard languages that are not
7701 * configure: Regenerated.
7703 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7704 Richard Guenther <rguenther@suse.de>
7706 PR tree-optimization/27236
7707 * tree-inline.c (copy_body_r): Make sure to copy
7708 TREE_THIS_VOLATILE flag.
7710 2006-04-24 Richard Guenther <rguenther@suse.de>
7713 * tree-complex.c (update_parameter_components): Don't handle
7714 unused parameters which have no default def.
7716 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7717 Richard Guenther <rguenther@suse.de>
7719 PR tree-optimization/27218
7720 * tree-inline.c (expand_call_inline): Strip useless type
7721 conversions for the return slot address.
7723 2006-04-24 Richard Guenther <rguenther@suse.de>
7725 * cfgloop.h (struct loops): Remove unused field array. Reorder
7727 (LOOP_PREFETCH): Remove.
7729 2006-04-24 Richard Guenther <rguenther@suse.de>
7731 PR tree-optimization/22525
7732 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7733 variable, adjust types of generated expressions.
7735 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7737 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7738 (tree-vect-patterns.o): Likewise.
7740 (cselib.o): Likewise.
7741 (loop-doloop.o): Likewise.
7742 (regclass.o): Likewise.
7743 (reload1.o): Likewise.
7744 (explow.o): Replace target.h with $(TARGET_H).
7745 (ipa-prop.o): Likewise.
7746 (ipa-cp.o): Likewise.
7747 (ipa-inline.o): Likewise.
7748 (reorg.o): Likewise.
7749 (reg-stack.o): Likewise.
7751 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7753 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7755 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7757 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7759 * configure.ac: Completely disregard languages that are not
7761 * configure: Regenerated.
7764 * c-common.h (c_build_bitfield_integer_type): Declare.
7765 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7766 * c-common.c (c_build_bitfield_integer_type): ... here.
7768 2006-04-23 Roger Sayle <roger@eyesopen.com>
7771 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7772 a SImode SUBREG of a floating point register after no_new_pseudos.
7774 2006-04-23 Roger Sayle <roger@eyesopen.com>
7776 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7777 identify potentially eliminable registers to additionally catch
7778 VIRTUAL_INCOMING_ARGS_REGNUM.
7779 (addsi3): Update the conditions on when to use addsi_small_int.
7781 2006-04-23 Roger Sayle <roger@eyesopen.com>
7784 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7785 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7786 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7788 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7790 * fold-const.c (range_predecessor): Use operand_equal_p
7791 as the predicate for equality.
7792 (range_successor): Likewise.
7794 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7797 * config/soft-fp/op-common.h: Fix a typo.
7799 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7802 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7803 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7805 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7807 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7809 * doc/tm.texi: Fix a typo.
7811 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7813 * dwarf2out.c (struct die_struct): Document that die_sib makes
7814 a circular linked list.
7815 (FOR_EACH_CHILD): New.
7816 (reverse_die_lists): Delete.
7817 (reverse_all_dies): Delete.
7818 (add_dwarf_attr): Correct documentation.
7819 (remove_child_with_prev): New.
7820 (remove_child_TAG): Update for change to die_struct, use
7821 remove_child_with_prev.
7822 (add_child_die): Update for change to die_struct.
7823 (splice_child_die): Use remove_child_with_prev and add_child_die.
7824 (print_die): Use FOR_EACH_CHILD.
7825 (die_checksum): Likewise.
7826 (assign_symbol_names): Likewise.
7827 (output_location_lists): Likewise.
7828 (build_abbrev_table): Likewise.
7829 (calc_die_sizes): Likewise.
7830 (mark_dies): Likewise.
7831 (unmark_dies): Likewise.
7832 (unmark_all_dies): Likewise.
7833 (output_die): Likewise.
7834 (prune_unused_types_mark): Likewise.
7835 (prune_unused_types_walk): Likewise.
7836 (same_die_p): Update for change to die_struct.
7837 (break_out_includes): Likewise.
7838 (prune_unused_types_prune): Likewise.
7839 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7840 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7842 (dwarf2out_finish): Don't call reverse_all_dies.
7844 2006-04-21 Eric Christopher <echristo@apple.com>
7846 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7847 in comments and function names.
7849 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7852 * c-typeck.c (digest_init): Robustify.
7854 * c-typeck.c (pop_init_level): Simplify.
7856 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7858 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7860 2006-04-21 Paul Brook <paul@codesourcery.com>
7862 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7863 hardware floating point.
7865 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7867 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7870 2006-04-21 Nick Clifton <nickc@redhat.com>
7872 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7875 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7878 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7879 C++ lang type in traceback table for Objective-C++.
7881 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7883 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7885 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7887 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7890 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7891 were errors. Remove check for erroneous objects.
7893 2006-04-20 Jeff Law <law@redhat.com>
7895 PR tree-optimization/26854
7896 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7897 checking for zero or one use.
7898 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7899 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7900 * tree-ssa-reassoc.c (negate_value): Similarly.
7901 (reassociate_bb): Similarly.
7903 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7905 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7906 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7907 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7909 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7911 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7912 fp regs if the last fp arg doesn't fit in regs.
7914 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7917 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7918 that the last insn has the REG_INC note.
7920 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7921 Nathan Sidwell <nathan@codesourcery.com>
7924 * stor-layout.c (update_alignment_for_field): Do not align
7926 (place_union_field): Place union field at the start of the union.
7927 (place_field): Move ERROR_MARK check later, and use the current
7928 allocation position to maintain monotonicity.
7930 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7932 * dominance.c: Include timevar.h.
7933 (calculate_dominance_info): Use TV_DOMINANCE.
7934 * timevar.def (TV_DOMINANCE): New timevar.
7935 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7937 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7939 PR rtl-optimization/14261
7940 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7941 move would be an INSV insn.
7942 (noce_process_if_block): Don't optimize if the destination is a
7943 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7945 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7947 * config/s390/s390.md: Add comments with the instructions emitted
7948 by an insn pattern if macros are used.
7950 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7952 PR rtl-optimization/26026
7953 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7954 is a known power of two shifted left a variable amount.
7956 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7958 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7959 to hash table twice when the debug_str section has SECTION_MERGE.
7961 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7963 * config/soft-fp: New directory. From glibc.
7964 * config/soft-fp/t-softfp: New.
7965 * config/soft-fp/README: New.
7966 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7967 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7968 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7969 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7970 * config.gcc: Use rs6000/t-fprules-fpbit or
7971 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7973 * config/rs6000/sfp-machine.h: New. Based on glibc.
7974 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7976 * config/rs6000/t-fprules: Remove fp-bit rules.
7977 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7978 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7979 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7980 (softfp_wrap_start, softfp_wrap_end): New.
7982 2006-04-18 DJ Delorie <dj@redhat.com>
7984 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7986 2006-04-18 Devang Patel <dpatel@apple.com>
7988 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7990 2006-04-18 Nick Clifton <nickc@redhat.com>
7992 * config/sh/t-symbian: Add rule to build sh-c.o
7993 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7994 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7995 (sh_symbian_encode_section_info): Likewise.
7997 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7999 * builtins.c (expand_builtin_strcmp): Cover label definition of
8000 do_libcall with HAVE_cmpstrnsi.
8002 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
8004 * function.c (temp_slots_at_level, max_slot_level): Use VEC
8006 * function.h (temp_slot_p): New.
8007 (function): Change the type of x_used_temp_slots to
8008 VEC(temp_slot_p,gc) *.
8010 2006-04-18 Nick Clifton <nickc@redhat.com>
8012 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
8013 flag_strength_reduce.
8015 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8017 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8021 Partial revert of revision 112637
8022 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8023 Dale Johannesen <dalej@apple.com>
8026 * regclass.c (struct reg_pref): Update documentation.
8027 (regclass): Set prefclass to NO_REGS if memory is the best option.
8028 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8030 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8032 PR tree-optimization/26821
8033 * tree-ssa-math-opts.c (get_constant_one): New.
8034 (insert_reciprocals): Use it.
8036 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8038 * dwarf2out.c (free_AT): Delete.
8039 (remove_AT): Update string ref counts.
8040 (remove_child_TAG): Don't call free_die.
8042 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8043 or DW_TAG_GNU_EINCL.
8044 (prune_unused_types_walk_attribs): Reset string refcounts.
8045 (prune_unused_types_update_strings): New.
8046 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8047 call free_die. Do call prune_unused_types_update_strings.
8048 (prune_unused_types): Empty debug_str_hash.
8050 2006-04-17 Roger Sayle <roger@eyesopen.com>
8052 * expr.c (expand_assignment): Optimize away no-op moves where the
8053 source and destination are equal and have no side-effects.
8055 2006-04-17 Richard Guenther <rguenther@suse.de>
8058 * reload.c (push_reload): Guard calls to get_secondary_mem
8061 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8063 * alias.c (reg_base_value, old_reg_base_value): Change the
8064 type to VEC(rtx,gc) *.
8065 (REG_BASE_VALUE, find_base_value, record_set,
8066 init_alias_analysis): Use VEC instead of VARRAY.
8068 * alias.c (alias_sets): Change the type to
8069 VEC(alias_set_entry,gc) *.
8070 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8071 VEC instead of VARRAY.
8072 (last_alias_set): Remove.
8074 * cgraph.h (cgraph_edge_p): New.
8075 Update the prototype of cgraph_function_versioning.
8076 * cgraphunit.c (cgraph_copy_node_for_versioning,
8077 cgraph_function_versioning): Use VEC instead of VARRAY.
8078 * ipa-cp.c (ipcp_insert_stage): Likewise.
8080 2006-04-16 Roger Sayle <roger@eyesopen.com>
8083 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8084 "A op B" or "A op C", we may need to convert A to the type of B and C.
8086 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8088 * target.h (struct gcc_target): Add mode_rep_extended.
8089 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8090 (init_num_sign_bit_copies_in_rep): Initialize it using
8092 (truncate_to_mode): Use it.
8093 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8094 * targhooks.h (default_mode_rep_extended): Declare it.
8095 * targhooks.c (default_mode_rep_extended): Define it.
8096 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8097 default_mode_rep_extended.
8098 (TARGET_INITIALIZER): Include it.
8099 * doc/tm.texi (Misc): Document it.
8100 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8101 (mips_truncated_to_mode): New function.
8103 2006-04-16 Roger Sayle <roger@eyesopen.com>
8106 * expr.c (compress_float_constant): Copy the narrow constant into
8107 a new pseudo before extending it to its final width.
8109 2006-04-16 Roger Sayle <roger@eyesopen.com>
8110 Andrew Pinski <pinskia@gcc.gnu.org>
8111 Dale Johannesen <dalej@apple.com>
8114 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8115 special case code to implement V8HImode and V16QImode with SSE2.
8117 2006-04-15 Roger Sayle <roger@eyesopen.com>
8119 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8120 trees are constructed with a suitable tree type.
8122 2006-04-15 Roger Sayle <roger@eyesopen.com>
8124 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8125 (integer_onep): Likewise.
8126 (integer_all_onesp): Likewise.
8127 (integer_pow2p): Likewise.
8128 (integer_nonzerop): Likewise.
8129 (real_zerop): Likewise.
8130 (real_onep): Likewise.
8131 (real_twop): Likewise.
8132 (real_minus_onep): Likewise.
8133 (int_size_in_bytes): Likewise.
8134 (host_integerp): Likewise.
8136 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8138 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8139 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8140 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8142 * tree-ssa-structalias.h (alias_info): Remove num_references.
8144 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8146 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8147 (output_bvb patterns): Likewise.
8148 * pa.c (output_bb): Use 'bb' insn for long branch case.
8149 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8150 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8151 1. Correct length operand for alternatives 1 and 2.
8152 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8153 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8155 2006-04-14 Roger Sayle <roger@eyesopen.com>
8157 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8158 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8159 were accidentally reverted by r112959.
8161 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8164 * except.h (eh_region_outermost): New prototype.
8165 * except.c (eh_region_outermost): New function.
8166 * tree-cfg.c (find_outermost_region_in_block): Use it.
8168 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8170 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8172 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8173 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8174 (init_reload, reload): Use VEC instead of VARRAY.
8175 * reload.h: Update the prototype for
8176 reg_equiv_memory_loc_varray.
8178 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8179 Eric Botcazou <ebotcazou@libertysurf.fr>
8181 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8184 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8187 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8188 to expand fallback builtin function call.
8190 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8193 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8194 and emit libcall here in case the builtin fails.
8195 (expand_builtin_strcmp): Always emit the libcall here on failure.
8197 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8199 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8200 * flow.c (reg_n_info): Change the type to
8201 VEC(reg_info_p,heap) *.
8202 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8204 * regs.h (reg_info_p): New.
8205 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8206 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8207 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8210 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8212 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8214 * params.h (MAX_SCHED_READY_INSNS): New macro.
8215 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8216 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8217 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8218 the ready list for 1 cycle during the first scheduling pass.
8219 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8221 2006-04-13 Richard Henderson <rth@redhat.com>
8224 * gimple-low.c (lower_omp_directive): Remove dead code.
8225 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8226 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8227 * omp-low.c (struct omp_region): Move to tree-flow.h.
8228 (root_omp_region): Export.
8229 (omp_regions, lookup_omp_region): Remove.
8230 (determine_parallel_type): Update for struct omp_region changes.
8231 (dump_omp_region): Dump regions with block numbers.
8232 (new_omp_region): Take type and block instead of stmt; malloc
8234 (free_omp_region_1, free_omp_regions): New.
8235 (expand_parallel_call): Take entry_stmt as argument; update for
8236 changes to omp_region.
8237 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8238 (remove_exit_barriers): New.
8239 (expand_omp_parallel): Update for struct omp_region changes.
8240 (expand_omp_synch): Likewise.
8241 (expand_omp): Likewise.
8242 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8243 (expand_omp_for_static_chunk): Likewise.
8244 (expand_omp_for): Likewise.
8245 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8246 (expand_omp_sections): Similarly, with GOMP_sections_end.
8247 (expand_omp_single): New.
8248 (build_omp_regions_1): Update for OMP_CONTINUE.
8249 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8250 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8251 OMP_SECTIONS_SECTIONS.
8252 (lower_omp_single_simple): Don't emit barrier here.
8253 (lower_omp_single_copy): Likewise.
8254 (lower_omp_single): Fix bindings, and lower to straightline now.
8255 (lower_omp_master, lower_omp_ordered): Likewise.
8256 (lower_omp_critical): Likewise.
8257 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8258 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8259 omp edges, free it afterward.
8260 (make_omp_sections_edges): Remove.
8261 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8262 (move_stmt_r): Handle OMP_CONTINUE.
8263 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8264 statement pointers to basic blocks. Add type member.
8265 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8266 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8267 * tree-inline.c (estimate_num_insns_1): Likewise.
8268 * tree-pretty-print.c (dump_generic_node): Likewise.
8269 * tree-ssa-operands.c (get_expr_operands): Likewise.
8270 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8271 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8272 (OMP_CONTINUE): New.
8273 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8274 (OMP_SECTIONS_SECTIONS): Remove.
8275 (OMP_SECTION_LAST): New.
8276 (OMP_RETURN_NOWAIT): New.
8278 2006-04-13 Roger Sayle <roger@eyesopen.com>
8280 * fold-const.c (native_encode_vector, native_interpret_real):
8281 Correct obvious mistakes in the previous check-in.
8283 2006-04-13 Roger Sayle <roger@eyesopen.com>
8285 * fold-const.c (native_encode_expr): New function to encode
8286 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8287 or VECTOR_CST into a specified buffer.
8288 (native_encode_int): New function.
8289 (native_encode_real): New function.
8290 (native_encode_complex): New function.
8291 (native_encode_vector): New function.
8292 (native_interpret_expr): Inverse of native_encode_expr to convert
8293 a target representation into an INTEGER_CST, REAL_CST etc...
8294 (native_interpret_int): New function.
8295 (native_interpret_real): New function.
8296 (native_interpret_complex): New function.
8297 (native_interpret_vector): New function.
8298 (fold_view_convert_expr): New function to constant fold/evaluate
8299 a VIEW_CONVERT_EXPR of a suitable constant expression.
8300 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8301 Change call of build1 to fold_build1 when constructing a
8304 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8305 Ulrich Weigand <uweigand@de.ibm.com>
8308 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8311 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8314 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8315 optimize to lo_sum for DFmode if !TARGET_FPRS.
8317 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8319 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8320 delete_alias_info, compute_flow_sensitive_aliasing,
8321 group_aliases): Use VEC instead of VARRAY.
8322 * tree-ssa-structalias.c (update_alias_info): Likewise.
8323 * tree-ssa-structalias.h (alias_info): Change the type of
8324 processed_ptrs to VEC(tree,heap) *.
8326 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8329 * config/sh/lib1funcs.h: New file, broken out of:
8330 * config/sh/lib1funcs.asm.
8331 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8333 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8334 * config/sh/lib1funcs-Os-4-200.asm: New file.
8335 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8336 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8337 (EXTRA_MULTILIB_PARTS): Include it.
8338 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8339 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8340 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8341 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8344 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8346 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8347 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8348 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8350 * tree-ssa-live.h: Include vecprim.h.
8351 (tree_partition_associator_d): Change the type of
8352 first_partition to VEC(int,heap) *.
8353 (tpa_first_partition): Use VEC instead of VARRAY.
8355 * Makefile.in (GTFILES): Move functions.h after tree.h.
8356 * function.c (reset_block_changes, record_block_change,
8357 check_block_change, free_block_changes): Use VEC instead of
8359 * function.h (function): Change the type of
8360 ib_boundaries_block to VEC(tree,gc) *.
8361 * tree-inline.c (copy_cfg_body): Initialize
8362 ib_boundaries_block to NULL instead of (varray_type) 0.
8364 2006-04-12 Roger Sayle <roger@eyesopen.com>
8366 * expr.c (emit_group_store): Correct operand order in call to
8367 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8368 a SUBREG_BYTE of zero.
8370 2006-04-12 Richard Guenther <rguenther@suse.de>
8372 * profile.c (compute_branch_probabilities): Remove code
8373 encapsulated in !ir_type (), which are remanents of the
8374 removed RTL profiling code.
8375 * rtl-profile.c: Remove.
8377 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8379 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8380 magic NULL_RTX comment.
8381 (function_arg): Store entire fp arg to mem if any part should go
8383 (rs6000_arg_partial_bytes): Adjust for above change.
8385 2006-04-11 Roger Sayle <roger@eyesopen.com>
8387 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8388 if it hasn't been initialized by dwarf2out_init.
8390 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8392 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8393 symbolic constants in branch patterns.
8395 2006-04-11 Roger Sayle <roger@eyesopen.com>
8397 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8399 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8401 PR rtl-optimization/27073
8402 * gcse.c (try_replace_reg): Revert last change. Continue to search
8403 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8406 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8408 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8409 aggregate types other than record and union types.
8410 (function_arg): Likewise.
8411 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8413 (function_value): In 64-bit mode, return objects that require it
8416 2006-04-11 Roger Sayle <roger@eyesopen.com>
8418 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8420 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8422 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8424 2006-04-03 Jeff Law <law@redhat.com>
8427 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8428 alias information too.
8430 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8432 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8434 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8437 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8438 (premark_used_types_helper): New.
8439 (premark_used_types): New.
8440 (gen_subprogram_die): Call premark_used_types.
8441 (prune_unused_types_walk): Do not prune perennial dies.
8442 * function.c (used_types_insert): New.
8443 * function.h (struct function): Add used_types_hash field.
8444 (used_types_insert): Add prototype.
8445 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8446 * c-parser.c (c_parser_cast_expression): Save casted types in used
8449 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8452 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8453 rs6000_explicit_options.float_gprs.
8455 2006-04-10 Roger Sayle <roger@eyesopen.com>
8457 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8458 from ix86_expand_vector_init_low_nonzero. Take an additional
8459 one_var argument indicating which element is non-zero. Support
8460 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8461 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8462 with one_var instead of ix86_expand_vector_init_low_nonzero.
8464 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8466 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8467 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8468 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8469 build/genextract.o): Depend on vecprim.h.
8470 * cfglayout.c, df-problems.c, function.c, genextract.c,
8471 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8472 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8476 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8478 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8479 Declare VECs of this type.
8480 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8481 (remove_children): Delete.
8482 (add_dwarf_attr): Use VEC routines.
8483 (add_AT_flag): Update for changes to add_dwarf_attr.
8484 (add_AT_int): Likewise.
8485 (add_AT_unsigned): Likewise.
8486 (add_AT_long_long): Likewise.
8487 (add_AT_vec): Likewise.
8488 (add_AT_string): Likewise.
8489 (add_AT_die_ref): Likewise.
8490 (add_AT_fde_ref): Likewise.
8491 (add_AT_loc): Likewise.
8492 (add_AT_loc_list): Likewise.
8493 (add_AT_addr): Likewise.
8494 (add_AT_lbl_id): Likewise.
8495 (add_AT_lineptr): Likewise.
8496 (add_AT_macptr): Likewise.
8497 (add_AT_offset): Likewise.
8498 (add_AT_range_list): Likewise.
8499 (get_AT): Use VEC_iterate.
8500 (remove_AT): Use VEC_ordered_remove.
8501 (free_die): Fold remove_children into here; have it use VEC_iterate.
8502 (print_die): Use VEC_iterate on attrs.
8503 (reverse_die_lists): Don't reverse attr lists.
8504 (die_checksum): Use VEC_iterate on attrs.
8505 (same_die_p): Likewise.
8506 (output_location_lists): Likewise.
8507 (build_abbrev_table): Likewise.
8508 (size_of_die): Likewise.
8509 (unmark_all_dies): Likewise.
8510 (output_abbrev_section): Likewise.
8511 (output_die): Likewise.
8512 (prune_unused_types_walk_attribs): Likewise.
8514 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8516 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8518 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8521 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8523 2006-04-09 Roger Sayle <roger@eyesopen.com>
8525 * expr.c (store_constructor): Don't bother clearing target if
8526 we're about to assign a vector to it using vec_init_optab.
8528 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8530 * tree-ssa-alias.c (lhs_may_store_to): New function.
8531 (recalculate_used_alone): Handle LHS of calls.
8533 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8537 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8538 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8539 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8540 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8541 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8542 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8543 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8544 stubs. Add ".align 8" directives before all ".dword" directives.
8545 (GTHREAD_USE_WEAK): Revise comment.
8546 (TARGET_ATTRIBUTE_WEAK): Define.
8547 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8548 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8549 * stublib.c: New file.
8554 * pa.md (cbranch patterns): Revise arguments used in calls to
8555 output_cbranch, output_bb and output_bvd. Add long branch length
8557 (fbranch patterns): Handle long branches.
8558 (jump): Revise length check. Revise arguments for output_lbranch call.
8559 Add long branch length attributes.
8560 (decrement_and_branch_until_zero): Add long branch length attributes.
8561 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8562 Likewise. Revise arguments for output_parallel_addb and
8563 output_parallel_movb calls.
8564 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8565 output_parallel_movb and output_parallel_addb): Update prototypes.
8566 * pa.c (output_cbranch): Revise arguments. Correct handling of
8567 nullification in long branches.
8568 (output_lbranch): Add new argument to control extraction of delay
8570 (output_bb): Handle long branches.
8571 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8572 output_parallel_addb): Likewise.
8574 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8576 PR rtl-optimization/27073
8577 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8580 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8582 * tree.h (tree_memory_tag): Add old_used_alone.
8583 (SMT_OLD_USED_ALONE): New macro.
8584 * tree-ssa-alias.c (recalculate_used_alone): Stop
8585 marking things for renaming unnecessarily.
8587 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8589 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8590 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8591 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8592 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8593 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8594 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8595 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8596 spelling convensions.
8597 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8598 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8599 typos. Follow spelling conventions.
8601 2006-04-07 DJ Delorie <dj@redhat.com>
8603 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8604 passed on the stack.
8605 (m32c_init_cumulative_args): When a function returns a structure,
8606 always pass the pointer to that return area on the stack.
8607 (m32c_function_arg_advance): Don't increment the parameter number
8608 if we're processing the returned structure pointer.
8609 (pushm_info): Reverse order of registers.
8611 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8613 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8614 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8615 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8616 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8618 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8619 chrec_fold_multiply): Same.
8620 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8621 force_expr_to_var_cost): Same.
8622 * tree-mudflap.c (mf_xform_derefs_1): Same.
8623 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8625 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8627 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8628 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8631 2006-04-07 Jan Hubicka <jh@suse.cz>
8633 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8635 2006-04-07 Richard Guenther <rguenther@suse.de>
8637 PR tree-optimization/26135
8638 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8639 loads for store copy-prop.
8640 (copy_prop_visit_stmt): Likewise.
8642 2006-04-05 Robert Millan <robertmh@gnu.org>
8644 * config/i386/linux.h: Add a comment to mark macros that are
8645 being overriden in config/k*bsd-gnu.h.
8646 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8648 * config/knetbsd-gnu.h: Ditto.
8650 2006-04-06 Jan Hubicka <jh@suse.cz>
8654 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8657 2006-04-06 Mike Stump <mrs@apple.com>
8659 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8660 for HAVE_nonlocal_goto to be consistent.
8661 (expand_builtin_nonlocal_goto): Likewise.
8662 (expand_builtin_strcmp): Use #ifdef instead of #if
8663 for HAVE_cmpstrnsi to be consistent.
8665 2006-04-05 DJ Delorie <dj@redhat.com>
8667 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8670 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8672 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8673 got-relative addressing for anything but SImode.
8675 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8676 even if the calling function doesn't modify them.
8678 2006-04-05 Richard Guenther <rguenther@suse.de>
8680 PR tree-optimization/26919
8681 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8682 to cgraph_estimate_size_after_inlining.
8684 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8686 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8688 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8690 PR tree-optimization/26996
8691 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8692 VECTOR_TYPE variables.
8694 2006-04-05 Richard Guenther <rguenther@suse.de>
8696 PR tree-optimization/26763
8697 * fold-const.c (fold_comparison): Move folding of
8698 PTR + CST CMP PTR + CST ...
8699 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8701 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8703 * doc/install.texi (Prerequisites): Refine some wording on
8704 bootstrapping and ksh.
8705 Move the version numbers of DejaGnu here from the testing section
8706 and fix casing of names.
8707 Fix markup and clarify wording for autogen requirements.
8708 Refer to GCJ instead of just java.
8709 Refer to SVN instead of CVS.
8710 Describe diffutils as useful instead of necessary.
8711 (Downloading the source): Refer to SVN instead of CVS.
8712 Adjust a link to our web site accordingly.
8713 (Configuration): Fix casing of Bison.
8714 (Building): Refer to SVN instead of CVS.
8715 Fix a sentence on the use of Bison and remove duplicate (and
8716 incorrect) version number of Bison requirement.
8717 Remove one redundant list of packages needed for building.
8718 (Specific): Avoid reference to CVS.
8720 2006-04-04 Eric Christopher <echristo@apple.com>
8722 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8723 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8724 (rs6000_handle_struct_attribute): New.
8725 (rs6000_ms_bitfield_layout_p): Ditto.
8727 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8729 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8730 NULL for dso parameter to atexit_common.
8732 2006-04-04 Eric Christopher <echristo@apple.com>
8734 * config/i386/i386.c (machopic_output_stub): Output \t
8735 between instructions and operands.
8737 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8739 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8740 satisfies_constraint_[IL] to explicit tests on value.
8742 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8744 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8745 set_nb_iterations_in_loop): Use build_int_cst instead of
8747 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8748 build_int_cst instead of convert.
8750 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8752 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8753 new value 2 for incoming.
8754 * function.c (expand_function_start): Call struct_value_rtx
8756 * config/sparc/sparc.md: Comment updated_return.
8757 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8758 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8759 struct return if sparc_std_struct_return and incoming is 2.
8760 (print_operand): Do not adjust return if
8761 sparc_std_struct_return.
8763 2006-04-04 Roger Sayle <roger@eyesopen.com>
8765 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8766 convert in the middle-end.
8767 * expr.c (store_expr, store_constructor, get_inner_reference,
8768 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8770 * tree.c (build_range_type): Likewise.
8772 2006-04-04 Tom Tromey <tromey@redhat.com>
8774 * doc/install.texi (Prerequisites): Mention jar.
8776 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8778 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8781 2006-04-04 Matthias Klose <doko@debian.org>
8783 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8787 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8790 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8792 * doc/extend.texi (Function Attributes): Rewrite visibility
8793 attribute documentation.
8794 * doc/invoke.texi (C++ Dialect Options): Rewrite
8795 -fvisibility-inlines-hidden documentation to describe something
8796 entirely different, although in practise compatible.
8797 (Code Gen Options): Warn about system headers in -fvisibility=
8800 * doc/extend.texi (Other Builtins): Document that
8801 __builtin_nan is a compile-time constant only when its argument
8804 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8806 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8807 trying to remove TRUNCATE check if all bits outside the new mode
8808 are identical to the sign bit.
8810 2006-04-03 Jeff Law <law@redhat.com>
8812 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8813 and operand scanning in some common cases.
8815 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8816 Dale Johannesen <dalej@apple.com>
8819 * regclass.c (struct reg_pref): Update documentation.
8820 (regclass): Set prefclass to NO_REGS if memory is the best option.
8821 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8822 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8823 into account. For non-registers, equate an empty preferred
8824 reload class to a `!' in the constraint; move the if clause to
8825 do so after those that reject the insn.
8826 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8828 (find_dummy_reload): Likewise.
8829 * doc/tm.texi (Register Classes): Document what it means
8830 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8831 * config/i386/i386.c (ix86_preferred_reload_class): Force
8832 using SSE registers (and return NO_REGS for floating-point
8833 constants) if math is done with SSE.
8834 (ix86_preferred_output_reload_class): New.
8835 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8836 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8837 * config/i386/i386.md: Remove # register preferences.
8839 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8842 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8843 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8844 the type of nb_iter.
8845 (instantiate_parameters_1): Convert the operands before calling
8846 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8847 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8849 2006-04-02 Roger Sayle <roger@eyesopen.com>
8851 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8852 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8854 * dojump.c (do_jump): Likewise.
8855 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8856 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8857 gimplify_boolean_expr): Likewise.
8858 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8859 * varasm.c (array_size_for_constructor): Likewise.
8860 * tree-object-size.c (compute_object_offset): Likewise.
8862 2006-04-02 Roger Sayle <roger@eyesopen.com>
8865 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8866 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8868 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8870 PR tree-optimization/26939
8871 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8873 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8875 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8876 at_stmt. Convert the type of operands before calling
8877 build_polynomial_chrec.
8878 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8880 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8881 (instantiate_parameters_1): Convert the type of operands before calling
8882 build_polynomial_chrec.
8883 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8884 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8885 reset_evolution_in_loop): Insert asserts to check the types of the
8887 (chrec_type): Moved...
8888 (eq_evolutions_p): Use operand_equal_p.
8889 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8890 the types of the operands.
8891 (chrec_type): ...here.
8892 * tree-data-ref.c (create_data_ref): Convert the operands before
8893 calling chrec_replace_initial_condition.
8894 (same_access_functions, analyze_subscript_affine_affine,
8895 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8896 (compute_subscript_distance, analyze_ziv_subscript,
8897 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8898 analyze_miv_subscript): Convert the operands before calling
8899 chrec_fold_minus or chrec_fold_plus.
8901 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8903 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8904 the dependence_relations vector.
8905 (compute_data_dependences_for_loop): Adjust call to
8906 compute_all_dependences.
8908 2006-04-01 Roger Sayle <roger@eyesopen.com>
8909 Richard Henderson <rth@redhat.com>
8911 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8912 gimple_boolify on the condition before calling gimplify_expr.
8914 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8916 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8917 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8918 the frame size. Update to use the new macros.
8919 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8920 * config/xtensa/ieee754-df.S: Likewise.
8922 2006-03-31 Richard Henderson <rth@redhat.com>
8924 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8925 (make_edges): ... here. Control fallthru creation with a local
8926 variable. Do not play with fake edges.
8927 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8928 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8931 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8933 * dwarf2.h (DW64_CIE_ID): Define.
8934 * dwarf2out.c (DWARF_CIE_ID): Define.
8935 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8936 length header. Use DWARF_CIE_ID.
8937 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8938 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8940 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8942 * config/sh/linux-atomic.asm: New file.
8943 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8945 2006-03-31 DJ Delorie <dj@redhat.com>
8947 * config/m32c/cond.md: Set condition flags properly throughout.
8948 * config/m32c/minmax.md: Likewise.
8949 * config/m32c/prologue.md: Likewise.
8950 * config/m32c/bitops.md: Likewise.
8951 * config/m32c/muldiv.md: Likewise.
8952 * config/m32c/mov.md: Likewise.
8953 * config/m32c/addsub.md: Likewise.
8954 * config/m32c/m32c.md: Likewise.
8955 * config/m32c/jump.md: Likewise.
8956 * config/m32c/shift.md: Likewise.
8958 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8959 conditionally output the pattern for this.
8960 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8961 (m32c_compare_redundant): New.
8962 (m32c_output_compare): New.
8963 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8965 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8966 dest, not src. Allow other 4-byte modes.
8968 2006-03-30 Denis Chertykov <denisc@overta.ru>
8970 * doc/md.texi: Refer to avr/constraints.md instead of
8973 2006-03-30 Roger Sayle <roger@eyesopen.com>
8975 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8976 signed vs. unsigned comparison failures on some hosts.
8978 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8981 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8982 change to FLOAT_REGS.
8984 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8985 (rs6000_override_options): Use it.
8986 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8987 only for -mabi=spe/no-spe and -mabi=altivec.
8989 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8991 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8994 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8996 * Makefile.in: Rename docdir to gcc_docdir.
8998 2006-03-30 Roger Sayle <roger@eyesopen.com>
9001 * expr.c (emit_group_store): Optimize group stores into a pseudo
9002 register by using a paradoxical subreg to initialize the destination
9003 if the first or last member of the group specifies a "low part".
9005 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9008 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
9009 * target.h (struct gcc_target.speculate_insn): Change type of the
9010 second parameter to 'int'.
9011 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
9012 the second operand of the DEPS_LIST.
9013 (copy_DEPS_LIST_list): Update reference to the second operand of the
9015 * rtl.h (alloc_DEPS_LIST): Update signature.
9016 * sched-int.h (ds_t): Change typedef to 'int'.
9017 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9019 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9021 * haifa-sched.c (try_ready): Change condition to restore
9022 non-speculative pattern of the instruction.
9023 (process_insn_depend_be_in_spec): Code to keep probability of the
9024 speculative dependence non-decreasing.
9026 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9028 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9029 (single_move_for_movmem): ... this. Also change all uses.
9030 (bfin_expand_strmov): Renamed to...
9031 (bfin_expand_movmem): ... this. Also change all uses.
9032 * config/bfin/bfin.md (movstrsi): Renamed to...
9033 (movstrsi): ...this.
9035 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9037 PR tree-optimization/26830
9039 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9040 (copy_prop_visit_stmt): Remove write-only variable ann.
9041 (init_copy_prop): Check variable loop depth here. Do not simulate
9042 memory-tag and virtual operand PHIs except for store copy prop.
9044 2006-03-30 Richard Guenther <rguenther@suse.de>
9046 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9047 variants with double arguments.
9049 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9051 * genpreds.c (write_tm_constrs_h): Delete variable p.
9052 * genconditions.c (write_header): Add tm-constrs.h to included
9054 * genpeep.c (main): Add toplev.h to included headers.
9055 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9056 (build/genpeep.o): Add toplev.h dependency.
9057 * config/rs6000/constraints.md: Add "W" constraint.
9059 2006-03-29 Roger Sayle <roger@eyesopen.com>
9061 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9062 sizes by correctly testing whether the size fits a host integer.
9063 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9064 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9065 SImode range for the default sizetype and bitsizetype.
9067 2006-03-29 Roger Sayle <roger@eyesopen.com>
9069 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9070 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9071 quickly if the argument is already of the correct type.
9072 Call fold_build1 instead of build1. Tidy up blank lines.
9074 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9076 * genemit.c (main): Add tm-constrs.h to included headers.
9077 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9078 * genpeep.c (main): Add tm-constrs.h to included headers.
9079 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9080 (write_tm_constrs_h): this and write complete file.
9081 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9082 (write_insn_preds_c): Add tm-constrs.h to included headers.
9083 (gen_constrs): New variable.
9084 (parse_option): Parse "-c".
9085 (main): Invoke write_tm_constrs_h.
9086 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9087 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9088 (object_out_file): Add tm-constrs.h dependency.
9089 (insn-emit.o): Same.
9090 (insn-output.o): Same.
9091 (insn-peep.o): Same.
9092 (insn-preds.o): Same.
9093 (insn-recog.o): Same.
9094 (tm-constsr.h): New target.
9095 (s-constrs-h): New target.
9097 * config/rs6000/constraints.md: New file.
9098 * config/rs6000/rs6000.c: Include tm-constrs.h.
9099 (num_insn_constant_wide): Convert to satisfies_constraint.
9100 (rs6000_rtx_costs): Convert to satisfies_constraint.
9101 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9102 (CONST_OK_FOR_LETTER_P): Delete.
9103 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9104 (EXTRA_CONSTRAINT): Delete.
9105 (EXTRA_MEMORY_CONSTRAINT): Delete.
9106 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9107 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9108 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9109 satisfies_constraint.
9111 * config/i386/i386.c: Include tm-constrs.h.
9113 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9115 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9116 * tree-data-ref.c (find_data_references_in_loop,
9117 compute_data_dependences_for_loop): Use pointers to VEC.
9118 (analyze_all_data_dependences): Adjust calls.
9119 * tree-data-ref.h (find_data_references_in_loop,
9120 compute_data_dependences_for_loop): Adjust declarations.
9121 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9122 compute_data_dependences_for_loop.
9124 2006-03-29 Paul Brook <paul@codesourcery.com>
9126 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9129 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9131 PR tree-optimization/26859
9132 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9134 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9135 for the step after fold_convert.
9137 2006-03-29 Paul Brook <paul@codesourcery.com>
9139 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9140 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9142 2006-03-29 Paul Brook <paul@codesourcery.com>
9145 * targhooks.c (default_narrow_bitfield): New fuction.
9146 * targhooks.h (default_narrow_bitfield): add prototype.
9147 * target.h (gcc_target): Add narrow_volatile_bitfield.
9148 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9149 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9150 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9151 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9153 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9155 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9157 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9158 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9159 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9160 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9161 (s390_function_arg_float): Allow SDmode and DDmode values to be
9162 passed in floating point registers.
9163 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9164 check with SCALAR_FLOAT_MODE_P.
9165 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9167 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9169 PR tree-optimization/25985
9170 * tree-ssa-loop-niter.c (number_of_iterations_le,
9171 number_of_iterations_ne): Make comments more precise.
9172 (number_of_iterations_cond): Add only_exit argument. Use the
9173 fact that signed variables do not overflow only when only_exit
9175 (loop_only_exit_p): New.
9176 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9177 number_of_iterations_cond.
9179 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9181 PR tree-optimization/26643
9182 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9185 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9187 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9188 (divsi3_i4_int): Likewise.
9190 2006-03-28 Roger Sayle <roger@eyesopen.com>
9192 * expr.c (emit_group_store): Only create a new pseudo reg if the
9193 quantity it needs to hold isn't already a suitable pseudo.
9195 2006-03-28 Jeff Law <law@redhat.com>
9197 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9198 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9200 2006-03-28 Roger Sayle <roger@eyesopen.com>
9202 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9203 the equivalent ~X & Y, and the symmetry related transformations.
9204 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9205 ~X & Y, and symmetry related transforms.
9207 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9209 Revert my 2006-03-27 patches.
9211 2006-03-28 Roger Sayle <roger@eyesopen.com>
9213 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9214 ~(T1)X, when T1 and T2 are integer types of the same precision
9215 and (T2)X isn't an extension.
9217 2006-03-28 Jeff Law <law@redhat.com>
9219 PR tree-optimization/26796
9220 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9221 need EH edge cleanups rather than purging them immediately.
9222 (eliminate_degenerate_phis): Handle queued EH cleanups.
9224 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9226 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9229 2006-03-27 Roger Sayle <roger@eyesopen.com>
9232 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9233 cast BIT_NOT_EXPR operand to the correct type.
9235 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9237 * tree-loop-linear.c: Don't include varray.h.
9238 (gather_interchange_stats, try_interchange_loops,
9239 linear_transform_loops): Use VEC instead of VARRAY.
9240 * lambda-mat.c: Don't include varray.h.
9241 * tree-chrec.c: Same.
9242 * lambda-trans.c: Same.
9243 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9244 VEC instead of VARRAY.
9245 * tree-vectorizer.h: Idem.
9246 * tree-data-ref.c (dump_data_references,
9247 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9248 initialize_data_dependence_relation, finalize_ddr_dependent,
9249 compute_all_dependences, find_data_references_in_loop,
9250 compute_data_dependences_for_loop, analyze_all_data_dependences,
9251 free_dependence_relation, free_dependence_relations,
9252 free_data_refs): Idem.
9253 * tree-data-ref.h (data_reference_p, subscript_p): New.
9254 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9255 VEC instead of VARRAY.
9256 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9257 (find_data_references_in_loop, compute_data_dependences_for_loop,
9258 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9259 dump_data_dependence_relations, free_dependence_relations,
9260 free_data_refs): Adjust declaration.
9261 (lambda_transform_legal_p): Move declaration here...
9262 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9263 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9264 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9265 vect_analyze_data_refs): Use VEC instead of VARRAY.
9266 * lambda.h (lambda_transform_legal_p): ...from here.
9267 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9268 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9269 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9270 tree-chrec.o): Don't depend on VARRAY_H.
9272 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9274 * rtl.def (Copyright): Update date.
9275 (DEPS_LIST): Change type of the second operand to 'int'.
9276 * target.h (Copyright): Update date.
9277 (struct gcc_target.speculate_insn): Change type of the second parameter
9279 * lists.c (Copyright): Update date.
9280 (alloc_DEPS_LIST): Change signature. Update reference to the second
9281 operand of the DEPS_LIST.
9282 (copy_DEPS_LIST_list): Update reference to the second operand of the
9284 * rtl.h (Copyright): Update date.
9285 (alloc_DEPS_LIST): Update signature.
9286 * sched-int.h (Copyright): Update date.
9287 (ds_t): Change typedef to 'int'.
9288 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9290 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9292 * haifa-sched.c (Copyright): Update date.
9293 (try_ready): Change condition to restore non-speculative pattern
9295 (process_insn_depend_be_in_spec): Code to keep probability of the
9296 speculative dependence non-decreasing.
9298 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9300 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9301 shut up the compiler.
9303 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9305 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9306 to use lib prefix for target.
9307 ($(T)libic_invalidate_array_4-200.a): Likewise.
9308 ($(T)libic_invalidate_array_4a.a): Likewise.
9310 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9311 J"orn Rennecke <joern.rennecke@st.com>
9313 * superh.opt: New file.
9314 * sh.c (boardtype, osruntime): Remove.
9315 * superh.h (SUBTARGET_OPTIONS): Remove.
9316 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9318 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9319 arguments with ^ and/or [].
9321 * config.gcc (sh-*-*): Add quoting to account for quirk of
9323 Replace == with = in enable_incomplete_targets test.
9325 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9326 with MASK_LITTLE_ENDIAN.
9328 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9329 * config/sh/sh.opt: Added to some comments.
9330 * config/sh/superh.h: Removed some chaff.
9332 * config/sh/sh.opt: Add m4-[1234]00* options.
9333 * config/sh/sh.c (sh_handle_option): Likewise.
9334 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9335 (ic_invalidate_array_4-100.o): New rule.
9336 ($(T)libic_invalidate_array_4-100.a): Likewise.
9337 (ic_invalidate_array_4-200.o): Likewise.
9338 ($(T)libic_invalidate_array_4-200.a): Likewise.
9339 (ic_invalidate_array_4a.o): Likewise.
9340 ($(T)libic_invalidate_array_4a.a): Likewise.
9341 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9342 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9344 * config/sh/crt1.asm: Merged in profiling code.
9345 * config/sh/superh.h (STARTFILE_SPEC): Override.
9346 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9347 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9348 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9350 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9351 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9352 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9354 * sh.opt (mpretend-cmove): New option.
9355 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9356 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9357 (movsicc): Add TARGET_PRETEND_CMOVE code.
9359 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9361 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9362 s390_class_max_nregs): New function prototypes.
9363 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9364 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9365 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9366 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9368 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9370 * dwarf2out.c (add_location_or_const_value_attribute): Call
9371 tree_add_const_value_attribute if nothing else works.
9372 (reference_to_unused): New.
9373 (rtl_for_decl_init): Use reference_to_unused to decide whether
9374 to output an initializer.
9376 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9379 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9380 peephole removing spe frob_di_df_2.
9382 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9384 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9385 (subscript_dependence_tester_1): Declared.
9386 (print_dir_vectors, print_dist_vectors): New.
9387 (debug_data_dependence_relation): New.
9388 (dump_data_dependence_relation): Print more details.
9389 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9390 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9391 (save_dist_v, save_dir_v, add_outer_distances,
9392 build_classic_dist_vector_1): New.
9393 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9394 Don't test for lambda_vector_lexico_pos.
9395 (same_access_functions, add_multivariate_self_dist,
9396 add_other_self_distances, dir_from_dist): New.
9397 (build_classic_dir_vector): Replace implementation almost identical to
9398 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9400 (subscript_dependence_tester_1): New.
9401 (subscript_dependence_tester): Handle the lexicographically negative
9402 distance vectors by recomputing the dependence relation.
9403 (compute_affine_dependence): Remove parameter loop_nest_depth.
9404 (compute_self_dependence): Don't call compute_subscript_distance.
9405 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9406 Add a parameter for the loop_nest.
9407 (find_loop_nest_1, find_loop_nest): New.
9408 (compute_data_dependences_for_loop): Compute the loop nest, and give
9409 up if the nest is not well formed.
9410 * tree-data-ref.h (loop_p): New.
9411 (struct data_dependence_relation): Replace size_vect field with
9412 loop_nest, a vec of loops.
9413 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9414 (DDR_LOOP_NEST): New.
9415 (print_dir_vectors, print_dist_vectors,
9416 debug_data_dependence_relation): Declared.
9417 (index_in_loop_nest): New.
9418 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9419 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9422 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9424 * simplify-rtx.c (simplify_relational_operation): Call
9425 simplify_relational_operation_1 even if mode is VOIDmode.
9427 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9429 PR tree-optimization/26804
9430 * tree.h (DECL_CALL_CLOBBERED): New macro.
9431 (tree_decl_common): Add call_clobbered_flag.
9432 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9433 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9434 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9435 (mark_non_addressable): Ditto.
9436 * tree-ssa.c (verify_call_clobbered): New function.
9437 (verify_alias_info): Use it.
9438 * tree-pass.h (pass_reset_cc_flags): New prototype.
9439 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9440 (reset_cc_flags): New function.
9441 * passes.c (init_optimization_passes): Call reset_cc_flags after
9442 initializing referenced_vars.
9444 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9445 Roger Sayle <roger@eyesopen.com>
9448 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9449 to 1.0 for non-real operands. Implement A / A optimization for
9452 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9454 * config/i386/i386.c (size_cost): Correct the comment for
9455 cost of storing fp registers.
9456 (i386_cost): Likewise.
9457 (i486_cost): Likewise.
9458 (pentium_cost): Likewise.
9459 (pentiumpro_cost): Likewise.
9460 (k6_cost): Likewise.
9461 (athlon_cost): Likewise.
9462 (k8_cost): Likewise.
9463 (pentium4_cost): Likewise.
9464 (nocona_cost): Likewise.
9465 (generic64_cost): Likewise.
9466 (generic32_cost): Likewise.
9468 2006-03-24 Denis Chertykov <denisc@overta.ru>
9470 * config/avr/avr-protos.h (extra_constraint): Delete.
9471 (extra_constraint_Q): New declaration.
9472 * config/avr/constraints.md: New file.
9473 * config/avr/avr.md: Include it.
9474 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9475 (TMP_REGNO, ZERO_REGNO): Likewise.
9476 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9477 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9478 (extra_constraint): Delete.
9479 (extra_constraint_Q): Test for memory constraint 'Q'.
9480 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9481 (REG_CLASS_FROM_LETTER): Delete.
9482 (CONST_OK_FOR_LETTER_P): Delete.
9483 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9484 (EXTRA_CONSTRAINT): Delete.
9485 (TMP_REGNO): Delete.
9486 (ZERO_REGNO): Delete.
9488 2006-03-24 Jeff Law <law@redhat.com>
9490 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9491 directly. Call mark_new_vars_to_rename slightly earlier.
9493 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9495 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9497 (gen_compile_unit_die): Use new language types for Objective-C and
9499 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9500 DW_LANG_C_plus_plus.
9503 * config/t-darwin (crt3.o): Work around bug 26840.
9504 * config/darwin-crt3.c: Rewrite.
9505 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9507 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9509 * doc/invoke.texi: Document -femit-class-debug-always
9510 * common.opt: Add -femit-class-debug-always.
9512 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9514 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9515 index and base register.
9516 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9517 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9518 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9519 REGNO_OK_FOR_INDEX_P.
9520 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9522 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9523 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9524 REG_OK_FOR_BASE_P): Definitions removed.
9526 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9529 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9530 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9531 set yet or weren't marked as local yet.
9533 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9535 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9538 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9540 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9541 (rs6000_legitimate_small_data_p): Delete.
9542 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9543 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9544 and make static. Add forward declaration. Update uses.
9545 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9546 of offsettable_memref_p.
9547 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9548 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9550 2006-03-24 Jeff Law <law@redhat.com>
9552 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9553 around bug in immediate-use iterator.
9555 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9558 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9559 or __LITTLE_ENDIAN__.
9561 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9563 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9564 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9565 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9566 * config/sh/sh.opt (mdiv=): Amend description.
9567 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9568 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9569 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9570 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9571 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9572 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9573 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9574 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9575 TARGET_DIVIDE_CALL_FP.
9577 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9579 * haifa-sched.c (choose_ready): Fix type of the local variable.
9580 Move local variables. Add comment.
9581 (check_reg_live): Change signature. Make callable from debugger.
9582 * sched-int.h (check_reg_live): Update signature.
9583 * sched-ebb.c (check_reg_live): Update parameters.
9584 * sched-rgn.c (check_reg_live): Ditto.
9585 (region_head_or_leaf_p): Check pointer before dereferencing.
9586 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9587 before reload on optimization levels below 1.
9589 2006-03-23 Richard Henderson <rth@redhat.com>
9591 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9595 * config/alpha/predicates.md (local_symbolic_operand): Reject
9598 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9601 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9602 expressions which have overflowed constants.
9604 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9606 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9608 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9610 * cfgloopmanip.c (create_loop_notes): Removed.
9611 * final.c (final_scan_insn): Do not handle loop notes.
9612 * jump.c (squeeze_notes): Ditto.
9613 * cfglayout.c (skip_insns_after_block,
9614 duplicate_insn_chain): Ditto.
9615 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9617 * cfgloop.h (create_loop_notes): Declaration removed.
9619 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9621 * varasm.c (output_constant_pool): Restore fnname and fndecl
9623 (assemble_start_function): Adjust call accordingly.
9624 (assemble_end_function): Likewise.
9626 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9629 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9632 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9634 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9637 * system.h (ICE_EXIT_CODE): New macro.
9638 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9639 (diagnostic_action_after_output): Likewise.
9640 * gcc.c (fatal_ice): New function.
9641 (execute): Use it instead of fatal.
9642 (fancy_abort): Likewise.
9643 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9645 2006-03-22 Jeff Law <law@redhat.com>
9647 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9648 iv_analyze_result returning false.
9650 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9652 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9654 2006-03-22 Richard Henderson <rth@redhat.com>
9657 * except.c (duplicate_eh_regions_0): New.
9658 (duplicate_eh_region_1): Duplicate the children of the node as
9659 well as the node itself. Link them up properly.
9660 (duplicate_eh_region_2): Merge into ...
9661 (duplicate_eh_regions): ... here. Take copy_region argument, and
9662 copy only a sub-tree if asked. Simplify copying and fixup.
9663 (eh_region_outer_p): New.
9664 * except.h (duplicate_eh_regions): Update decl.
9665 (eh_region_outer_p): Declare.
9666 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9667 (lower_omp_master): Likewise.
9668 (lower_omp_ordered): Likewise.
9669 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9670 (move_stmt_r): Use it to remap labels. Handle recursion vs
9671 remap_decls_p properly.
9672 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9673 (find_outermost_region_in_block): New.
9674 (new_label_mapper): New.
9675 (move_sese_region_to_fn): Copy eh information to the new function
9677 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9679 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9682 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9684 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9685 into shared libraries.
9687 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9689 * doc/md.texi: Refer to i386/constraints.md instead of
9691 * config/i386/constraints.md: New file, extracted from...
9692 * config/i386/predicates.md: ...here.
9693 * config/i386/i386.md: Include constraints.md.
9695 2006-03-21 Jason Merrill <jason@redhat.com>
9697 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9700 * expr.c (init_block_move_fn): Force default visibility.
9701 (init_block_clear_fn): Likewise.
9702 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9703 * targhooks.c (default_external_stack_protect_fail): Likewise.
9705 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9707 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9708 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9709 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9710 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9711 (loadgp): Use mips_current_loadgp_style.
9712 (loadgp_noshared): New pattern.
9713 (sibcall_internal): Use MIPS_CALL.
9714 (sibcall_value_internal): Likewise.
9715 (sibcall_value_multiple_internal): Likewise.
9716 (call_internal): Likewise.
9717 (call_value_internal): Likewise.
9718 (call_value_multiple_internal): Likewise.
9719 (call_split): Use MIPS_CALL and add an 'S' constraint.
9720 (call_value_split): Likewise.
9721 (call_value_multiple_split): Likewise.
9722 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9723 (-mshared): New option.
9724 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9725 (mips_current_loadgp_style): Declare.
9726 * config/mips/mips.c (mips_classify_symbol): Avoid using
9727 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9728 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9729 TARGET_ABSOLUTE_ABICALLS.
9730 (override_options): Adjust comments. Improve the warning that is
9731 issued when -mabicalls and -G are used together.
9732 (mips_file_start): Remove comment.
9733 (mips_current_loadgp_style): New function.
9734 (mips_gnu_local_gp): New variable.
9735 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9737 (mips_output_function_prologue): Use mips_current_laodgp_style.
9738 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9739 the cprestore instruction.
9740 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9741 live for TARGET_ABSOLUTE_ABICALLS.
9742 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9743 (ASM_SPEC): Pass down -mshared and -mno-shared.
9744 (MIPS_CALL): New macro.
9745 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9747 * doc/invoke.texi (-mabicalls): Update documentation.
9748 (-mshared): Document.
9750 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9752 * config/ia64/unwind-hpux.c: New file.
9753 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9755 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9758 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9760 2006-03-21 Jeff Law <law@redhat.com>
9762 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9763 type conversions of a VR_VARYING source to a wider type.
9765 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9767 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9768 tm_file on Solaris 10 and later.
9769 (sparc64-*-solaris2*): Likewise.
9770 (sparc-*-solaris2*): Likewise.
9771 * config/sol26.h: Rename to config/sol2-6.h.
9772 * config/sol2-10.h: New file.
9774 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9777 * tree-ssa-pre.c (create_component_ref_by_pieces):
9780 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9783 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9784 return it immediately.
9786 2006-03-21 Michael Matz <matz@suse.de>
9788 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9790 (remove_arc, add_arc): Update num_out_arcs member.
9791 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9793 (cache_presence): New function.
9794 (compare_states_for_equiv): New function.
9795 (state_is_differed): Don't take number of outargs, adjust callers.
9796 Use new invariant for speeding up.
9797 (init_equiv_class): Create initial classes based on sorted
9799 (partition_equiv_class): Don't track out_arcs_num.
9800 (evaluate_equiv_classes): Call cache_presence on all states and
9803 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9805 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9806 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9807 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9808 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9810 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9811 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9812 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9813 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9814 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9816 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9817 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9818 (REGNO_REG_CLASS): ARGP is in PREGS.
9819 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9821 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9822 to deal with those addresses.
9823 * addresses.h: New file.
9824 * caller-save.c: Include "addresses.h".
9825 (init_caller_save): Use new base_reg_class function.
9826 * rtl-factoring.c: Include "addresses.h".
9827 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9828 * recog.c: Include "addresses.h".
9829 (preprocess_constraints): Use new base_reg_class function.
9830 * regrename.c: Include "addresses.h".
9831 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9832 functions. Keep track of a new var INDEX_CODE to compute valid
9834 (replace_oldest_value_addr): Likewise.
9835 (replace_oldest_value_mem): Use base_reg_class.
9836 * reload.c: Include "addresses.h".
9837 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9838 (find_reloads): Use new base_reg_class function.
9839 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9840 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9841 all callers and prototype changed.
9842 * reload1.c: Include "addresses.h".
9843 (maybe_fix_stack_asms): Use base_reg_class.
9844 * regclass.c: Include "addresses.h".
9845 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9846 (init_reg_autoinc): Use new base_reg_class function.
9847 (record_reg_classes): Likewise.
9848 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9849 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9850 Use new args to compute necessary class.
9852 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9853 regrename.o, rtl-factoring.o): Update dependencies.
9854 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9855 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9856 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9857 REG_OK_FOR_INDEX_P): Delete documentation.
9859 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9861 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9862 from V7 to V9 for Solaris 7 and above.
9864 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9866 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9867 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9868 argument pointers may not alias any other storage.
9869 * common.opt: Define option -fargument-noalias-anything.
9870 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9871 alias semantics is specified by flag_argument_noalias > 2.
9873 2006-03-20 Jeff Law <law@redhat.com>
9875 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9876 (pass_phi_only_cprop): Declare.
9877 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9879 * tree-ssa-dom.c (degenerate_phi_result): New function.
9880 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9881 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9882 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9883 (eliminate_degenerate_phis): Likewise.
9884 (pass_phi_only_cprop): New pass descriptor.
9885 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9886 support code. Callers updated.
9887 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9888 (store_copy_prop): Likewise.
9889 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9891 2006-03-20 Jason Merrill <jason@redhat.com>
9894 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9895 (push_visibility, pop_visibility): Likewise.
9896 * c-pragma.h: Declare them.
9898 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9900 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9902 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9903 parameter and use get_ebb_head_tail.
9904 (sh_md_init_global): Adjust uses of find_regmode_weight.
9906 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9908 * function.h (struct function) <x_tail_recursion_reentry>:
9909 Rename to x_stack_check_probe_note.
9910 (tail_recursion_reentry): Rename to stack_check_probe_note.
9911 * function.c: Replace tail_recursion_reentry with
9912 stack_check_probe_note everywhere.
9913 (expand_function_start): Only emit a note for
9914 stack_check_probe_note with -fstack-protect.
9915 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9917 * emit-rtl.c (remove_unnecessary_notes): Remove.
9918 (pass_remove_unnecessary_notes): Remove.
9919 * rtl.h (remove_unnecessary_notes): Remove prototype.
9920 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9921 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9922 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9924 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9927 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9928 (valid_in_set): Handle ARRAY_REF.
9929 Change "if min_variant or VH" to asserts.
9930 (create_component_ref_by_pieces): Handle ARRAY_REF.
9931 (create_expression_by_pieces): Likewise.
9932 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9934 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9936 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9937 is operand of switch, not str[0].
9939 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9941 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9942 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9944 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9946 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9947 end of insn_extra_address_constraint declaration.
9949 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9951 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9952 (no-sum-in-toc): Same.
9953 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9955 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9956 NO_FP_IN_TOC for -fPIC instead of mask.
9958 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9959 (BOOT_LDFLAGS): Delete.
9961 * config/rs6000/t-aix52: Same.
9963 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9964 (stmsi[345678]_power): New.
9966 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9968 * config/ia64/ia64.opt: Add empty line to end of file.
9970 2006-03-17 Richard Guenther <rguenther@suse.de>
9973 * builtins.c (get_pointer_alignment): For component style references
9974 adjust alignment to the component type alignment. Make sure
9975 to adjust alignment for component access of constants.
9977 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9979 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9982 2006-03-17 Paul Brook <paul@codesourcery.com>
9984 * doc/install.texi: Docuemnt --with-mode.
9985 * config.gcc: Add --with-mode for arm*-*-*.
9986 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9988 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9990 * sh.c (max_labelno_before_reorg): New variable.
9991 (sh_reorg): Initialize it.
9992 (find_barrier): Check max_labelno_before_reorg before using
9993 label_to_alignment. Take length of explicit alignment insns
9994 into account. When seeing a UNSPECV_CONST_END, return it.
9996 * sh.c (fixup_mova): Set mode of affected label to QImode.
9997 (untangle_mova): New function.
9998 (find_barrier): Use it. Check mode of label before decrementing
10000 (sh_reorg): Likewise.
10001 Set mode of all insns back to VOIDmode.
10003 * sh.c (MOVA_LABELREF): New macro.
10004 (mova_p, fixup_mova, sh_reorg): Use it.
10005 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
10006 ADDR_DIFF_VEC matches mova.
10008 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
10010 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
10011 with ATTRIBUTE_UNUSED.
10013 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
10015 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10016 pointer, instead of assuming it is possible to derive the
10017 correct args size from a call insn.
10019 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10021 * rtl.h (CONST_INT_P): Define.
10022 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10023 instead of GET_CODE(x) == CONST_INT.
10024 (vax_rtx_costs): Likewise.
10025 (vax_output_int_move): Likewise.
10026 (vax_output_int_add): Likewise.
10027 (legitimate_constant_address_p): Likewise.
10028 (index_term_p): Likewise.
10029 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10030 * config/vax/vax.md (and<mode>3): Likewise.
10031 (ashrsi3): Likewise.
10033 (movstricthi): Likewise.
10034 (movstrictqi): Likewise.
10035 (rotrsi3): Likewise.
10036 (five unnamed insns): Likewise.
10038 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10040 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10041 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10042 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10043 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10044 Pass to ASM_OUTPUT_DWARF_OFFSET.
10045 * dwarf2out.c (debug_frame_section): New.
10046 (output_call_frame_info): Use debug_frame_section. Pass it to
10047 dw2_asm_output_offset.
10048 (output_die): Pass appropriate section to dw2_asm_output_offset.
10049 (output_compilation_unit_header): Likewise.
10050 (output_pubnames): Likewise.
10051 (output_aranges): Likewise.
10052 (enum dw_val_class): Break dw_val_class_lbl_offset into
10053 dw_val_class_lineptr and dw_val_class_macptr.
10054 (add_AT_lbl_offset): Delete.
10055 (add_AT_lineptr): New.
10056 (add_AT_macptr): New.
10057 (AT_lbl): Expect a lineptr or macptr.
10058 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10059 (attr_checksum): Likewise.
10060 (same_dw_val_p): Likewise.
10061 (size_of_die): Likewise.
10062 (value_format): Likewise.
10063 (output_die): Likewise.
10064 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10066 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10067 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10068 * config/darwin-protos.h (darwin_file_start): New.
10069 (darwin_asm_output_dwarf_offset): New.
10070 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10071 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10073 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10074 if not EH section; simplify.
10075 (darwin_file_start): New.
10076 (darwin_asm_output_dwarf_offset): New.
10077 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10079 (DEBUG_INFO_SECTION): Likewise.
10080 (DEBUG_ABBREV_SECTION): Likewise.
10081 (DEBUG_ARANGES_SECTION): Likewise.
10082 (DEBUG_MACINFO_SECTION): Likewise.
10083 (DEBUG_LINE_SECTION): Likewise.
10084 (DEBUG_LOC_SECTION): Likewise.
10085 (DEBUG_PUBNAMES_SECTION): Likewise.
10086 (DEBUG_STR_SECTION): Likewise.
10087 (DEBUG_RANGES_SECTION): Likewise.
10088 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10089 (ASM_OUTPUT_DWARF_OFFSET): New.
10091 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10093 * config.gcc (tm_defines): Always add to previous value rather
10096 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10098 * config/mips/predicates.md (splittable_const_int_operand): New,
10099 split from move_operand.
10100 (splittable_symbolic_operand): New.
10101 (move_operand): Add commentary. Use splittable_const_int_operand.
10102 Inline mips_atomic_symbolic_constant_p.
10103 * config/mips/mips.md: Add combine splitters for handling moves
10104 of splittable_const_int_operands and splittable_symbolic_operands.
10105 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10106 (mips_split_symbol): Declare.
10107 (mips_move_integer): Declare.
10108 * config/mips/mips.c (mips_split_p): Make global.
10109 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10110 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10111 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10112 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10113 (mips_offset_within_object_p): Handle block symbols.
10114 (mips_atomic_symbolic_constant_p): Delete.
10115 (mips_cannot_force_const_mem): Return false for constants that
10116 mips_legitimize_move can handle.
10117 (mips_use_blocks_for_constant_p): New function.
10118 (mips_split_symbol): Make global.
10119 (mips_move_integer): Likewise. Add a temporary register argument.
10120 (mips_legitimize_const_move): Use splittable_const_int_operand and
10121 splittable_symbolic_operand.
10122 (mips_use_anchors_for_symbol_p): New function.
10123 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10124 (mips_split_p): Declare.
10126 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10128 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10129 (mips*-*-linux*): Likewise.
10131 2006-03-16 Roger Sayle <roger@eyesopen.com>
10132 Daniel Speyer <dspeyer@wam.umd.edu>
10134 PR middle-end/18259
10135 * tree-dump.c (dump_real): New function.
10136 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10137 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10138 (tree-dump.o): Add $(REAL_H) to the dependencies.
10140 2006-03-16 Roger Sayle <roger@eyesopen.com>
10142 PR middle-end/21781
10143 * real.c (real_from_string): If the mantissa is zero, don't bother
10144 parsing the exponent as the result should always be zero.
10146 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10148 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10150 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10152 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10153 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10154 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10155 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10156 ia64_sched_finish_global): New static functions to implement
10157 hooks from gcc_target.sched.
10158 (spec_check_no, max_uid, pending_data_specs): New static variables.
10159 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10160 ia64_spec_check_src_p): New static functions.
10161 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10162 (TARGET_SCHED_ADJUST_COST): Removed.
10163 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10164 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10165 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10166 TARGET_SCHED_GEN_CHECK,
10167 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10168 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10169 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10170 Fixed to handle speculation checks.
10171 (rtx_needs_barrier): Fixed to handle speculative loads and
10173 (ia64_variable_issue): Added code to count speculative loads and their
10175 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10177 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10179 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10181 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10182 (ia64_reorg): Reset stops_p to NULL after it is freed.
10183 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10184 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10185 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10187 (data_speculative, control_speculative, check_load): New attributes.
10188 (mov<mode>_advanced, mov<mode>_speculative,
10189 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10190 zero_extend<mode>di2_speculative,
10191 zero_extend<mode>di2_speculative_advanced): New patterns for
10192 data and control speculative loads.
10193 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10195 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10196 New pattern for data and control speculation checks.
10197 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10198 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10199 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10200 Auxiliary definitions for the patterns.
10201 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10202 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10204 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10206 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10207 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10208 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10209 New resource constraints.
10210 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10212 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10213 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10214 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10215 msched-in-control-spec, msched-ldc, msched-control-ldc,
10216 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10217 msched-prefer-non-control-spec-insns,
10218 msched-count-spec-in-critical-path): New flags to tune speculative
10220 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10221 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10222 msched-in-control-spec, msched-ldc, msched-control-ldc,
10223 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10224 msched-prefer-non-control-spec-insns,
10225 msched-count-spec-in-critical-path): Document new flags.
10227 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10229 * target.h (struct spec_info_def): New opaque declaration.
10230 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10231 speculate_insn, needs_block_p, gen_check,
10232 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10233 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10234 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10235 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10236 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10237 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10239 (TARGET_SCHED): Use new macros.
10240 * rtl.h (copy_DEPS_LIST_list): New prototype.
10241 * sched-int.h (struct sched_info): Change signature of new_ready field,
10242 adjust all initializations. New fields: add_remove_insn,
10243 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10244 region_head_or_leaf_p.
10245 (struct spec_info_def): New structure declaration.
10246 (spec_info_t): New typedef.
10247 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10248 recovery_block, orig_pat.
10249 (glat_start, glat_end): New variables declaraions.
10250 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10252 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10253 DETACH_LIFE_INFO, USE_GLAT.
10254 (enum SPEC_SCHED_FLAGS): New enumeration.
10255 (NOTE_NOTE_BB_P): New macro.
10256 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10257 attach_life_info, debug_spec_status, check_reg_live): New functions.
10258 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10259 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10261 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10262 * ddg.c (get_block_head_tail): Adjust all uses.
10263 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10264 (sms_sched_info): Initialize new fields.
10265 (contributes_to_priority): Removed.
10266 * haifa-sched.c (params.h): New include.
10267 (get_block_head_tail): Adjust all uses.
10268 (ISSUE_POINTS): New macro.
10269 (glat_start, glat_end): New global variables.
10270 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10271 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10272 old_last_basic_block, before_recovery, current_sched_info_var,
10273 rgn_n_insns, luid): New static variables.
10274 (insn_cost1): New function. Move logic from insn_cost to here.
10275 (find_insn_reg_weight1): New function. Move logic from
10276 find_insn_reg_weight to here.
10277 (reemit_notes, move_insn, max_issue): Change signature.
10278 (move_insn1): Removed.
10279 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10280 extend_bb): New static functions to support extension of scheduler's
10282 (generate_recovery_code, process_insn_depend_be_in_spec,
10283 begin_speculative_block, add_to_speculative_block,
10284 init_before_recovery, create_recovery_block, create_check_block_twin,
10285 fix_recovery_deps): New static functions to support
10286 generation of recovery code.
10287 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10288 restore_bb_notes, move_block_after_check, move_succs): New static
10289 functions to support ebb scheduling.
10290 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10291 functions to support handling of register live information.
10292 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10293 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10294 add_jump_dependencies): New static functions.
10295 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10296 consistancy checking.
10297 (debug_spec_status): New function to call from debugger.
10298 (priority): Added code to handle speculation checks.
10299 (rank_for_schedule): Added code to distinguish speculative instructions.
10300 (schedule_insn): Added code to handle speculation checks.
10301 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10302 Fixed to handle ebbs.
10303 (move_insn): Added code to handle ebb scheduling.
10304 (max_issue): Added code to use ISSUE_POINTS of instructions.
10305 (choose_ready): Added code to choose between speculative and
10306 non-speculative instructions.
10307 (schedule_block): Added code to handle ebb scheduling and scheduling of
10308 speculative instructions.
10309 (sched_init): Initialize new variables.
10310 (sched_finish): Free new variables. Print statistics.
10311 (try_ready): Added code to handle speculative instructions.
10312 * lists.c (copy_DEPS_LIST_list): New function.
10313 * sched-deps.c (extend_dependency_caches): New function. Move logic
10314 from create_dependency_caches to here.
10315 (get_dep_weak, ds_merge): Make global.
10316 * genattr.c (main): Code to output prototype for
10317 dfa_clear_single_insn_cache.
10318 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10319 (output_dfa_clean_insn_cache_func): Code to output
10320 dfa_clear_single_insn_cache function.
10321 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10323 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10325 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10326 New static variables.
10327 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10328 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10330 (ebb_sched_info): Initialize new fields.
10331 (get_block_head_tail): Adjust all uses.
10332 (compute_jump_reg_dependencies): Fixed to use glat_start.
10333 (schedule_ebb): Code to remove unreachable last block.
10334 (schedule_ebbs): Added code to update register live information.
10335 * sched-rgn.c (region_sched_info): Initialize new fields.
10336 (get_block_head_tail): Adjust all uses.
10337 (last_was_jump): Removed. Adjust users.
10338 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10339 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10340 Implement new hooks.
10341 (check_dead_notes1): New static function.
10342 (struct region): New fields: dont_calc_deps, has_real_ebb.
10343 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10344 (BB_TO_BLOCK): Fixed to handle EBBs.
10345 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10346 (ebb_head): New static variable.
10347 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10348 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10350 (compute_dom_prob_ps): New assertion.
10351 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10352 global_live_at_start.
10353 (init_ready_list): New assertions.
10354 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10355 (new_ready): Add support for BEGIN_CONTROL speculation.
10356 (schedule_insns): Fixed code that updates register live information
10358 (schedule_region): Fixed to handle EBBs.
10359 (init_regions): Use extend_regions and check_dead_notes1.
10360 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10361 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10362 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10363 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10364 TARGET_SCHED_GEN_CHECK,
10365 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10366 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10367 * doc/invoke.texi (max-sched-insn-conflict-delay,
10368 sched-spec-prob-cutoff): Document.
10370 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10372 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10373 inter_tick, queue_index.
10374 (struct sched_info): Change signature of init_ready_list field.
10375 Adjust all initializations.
10376 (RESOLVED_DEPS): New access macro.
10377 (ready_add): Remove prototype.
10378 (try_ready): Add prototype.
10379 * sched-rgn.c (init_ready_list): Use try_ready.
10380 (schedule_region): Initialize
10381 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10382 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10383 (init_ready_list): Use try_ready.
10384 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10385 * lists.c (remove_list_elem): Remove `static'.
10386 (remove_free_INSN_LIST_elem): New function.
10387 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10388 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10389 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10391 (readyp): New variable.
10392 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10393 change_queue_index, resolve_dep): New static functions.
10394 (try_ready): New function. Adjust callers in sched-rgn.c and
10395 sched-ebb.c to use it instead of ready_add.
10396 (clock_var): Move at the begining of file.
10397 (rank_for_schedule): Fix typo.
10398 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10399 (ready_lastpos): Enforce assertion.
10400 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10401 update all callers.
10402 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10403 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10404 (queue_to_ready): Use free_INSN_LIST_list.
10405 (early_queue_to_ready): Fix typo.
10406 (schedule_block): Init readyp. Move init_ready_list call after the
10407 initialization of clock_var. Fix error in rejecting insn by
10408 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10409 that previously corrected INSN_TICKs. Add code for handling
10411 (set_priorities): Fix typo.
10412 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10413 Clarify comment and code that keeps current_sched_info->next_tail
10416 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10418 * sched-rgn.c (extend_rgns): New static function.
10419 (find_rgns): Use it.
10420 (gather_region_statistics, print_region_statistics): New static
10422 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10423 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10425 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10426 Andrey Belevantsev <abel@ispras.ru>
10428 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10429 * lists.c (unused_deps_list): New variable.
10430 (free_list): Add assertions to verify the proper distinguishing
10431 between INSN_LISTs and DEPS_LISTs.
10432 (find_list_elem, remove_list_elem, remove_list_node): New static
10434 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10435 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10436 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10437 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10439 (free_INSN_LIST_node): Likewise.
10440 * modulo-sched.c (current_sched_info): Initialize flags field.
10441 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10442 * rtl.def (DEPS_LIST): Define.
10443 * rtl.h: Declare new functions from lists.c.
10444 * sched-deps.c (spec_dependency_cache): New static variable.
10445 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10446 (add_dependence): Change return type to void. Move the logic to ...
10447 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10448 (delete_all_dependences): Add comment about forward_dependency_cache.
10449 Handle spec_dependency_cache. Handle DEPS_LISTs.
10450 (fixup_sched_groups): Clarify the change of priority of output
10451 and anti dependencies.
10452 (sched_analyze_2): Adjust add_dependence calls to create data
10453 speculative dependence.
10454 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10455 Adjust all callers. Handle DEPS_LISTS.
10456 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10457 presence of speculation.
10458 (init_dependency_caches, free_dependency_caches):
10459 Handle spec_dependency_cache.
10460 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10461 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10462 New static functions.
10463 (add_or_update_back_dep, add_or_update_back_forw_dep,
10464 add_back_forw_dep, delete_back_forw_dep): New functions.
10465 * sched-int.h (ds_t, dw_t): New typedefs.
10466 (struct sched_info): Add new field flags.
10467 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10468 Prototype new sched-deps.c functions.
10469 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10470 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10471 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10472 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10473 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10474 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10476 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10478 * sched-rgn.c (current_sched_info): Initialize flags field.
10479 (schedule_insns): Initialize current_sched_info before the sched_init
10481 * sched-ebb.c (current_sched_info): Initialize flags field.
10482 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10483 Call add_or_update_back_dep instead of add_dependence.
10484 Create control speculative dependencies.
10485 (schedule_insns): Initialize current_sched_info before the sched_init
10488 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10490 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10492 (sh_fallback_frame_state): Likewise.
10494 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10496 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10497 Do switch on default_use_cxa_atexit.
10498 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10499 * config/darwin-crt3.o: New.
10500 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10501 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10502 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10504 * config/rs6000/t-darwin: Move crt2.o building to here.
10505 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10506 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10509 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10511 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10512 from '! xxx' to '!xxx' for coding-style conformance.
10513 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10514 (EXTRA_CONSTRAINT): Likewise.
10515 * config/vax/vax.md (four unnamed insns): Likewise.
10517 2006-03-15 Paul Brook <paul@codesourcery.com>
10519 * config/arm/arm.c (minipool_pad): New.
10520 (add_minipool_forward_ref): Include pool alignment padding in address
10522 (push_minipool_fix): Set minipool_pad.
10523 (minipool_pad): Ditto.
10525 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10527 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10528 instead of GET_CODE() == MEM and REG_P() instead of
10530 (print_operand_address): Likewise.
10531 (vax_address_cost): Likewise.
10532 (vax_rtx_costs): Likewise.
10533 (vax_notice_update_cc): Likewise.
10534 (vax_output_int_add): Likewise.
10535 (INDEX_REGISTER_P): Likewise.
10536 (BASE_REGISTER_P): Likewise.
10537 (nonindexed_address_p): Likewise.
10538 (vax_mode_dependent_address_p): Likewise.
10539 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10540 (PRINT_OPERAND): Likewise.
10541 * config/vax/vax.md (ashlsi3): Likewise.
10542 (ashlsi3): Likewise.
10543 (some more unnamed insns): Likewise.
10545 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10547 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10548 iterator-style macro.
10549 (mark_control_dependent_edges_necessary): Update the use of
10550 EXECUTE_IF_CONTROL_DEPENDENT.
10552 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10554 * config/sh/predicates.md (cache_address_operand): Special.
10555 (ua_address_operand): Likewise.
10557 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10559 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10561 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10563 2006-03-15 Andreas Schwab <schwab@suse.de>
10565 * gensupport.c (identify_predicable_attribute): Don't free p_false
10566 when it is still in use.
10568 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10570 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10571 the default setting here.
10573 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10575 * tree-pass.h (pass_cfg): Remove.
10576 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10577 * passes.c (pass_cfg): Don't run it.
10579 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10581 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10582 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10584 (stack_regs_mentioned): Update the uses of
10585 stack_regs_mentioned_data. Don't access the array beyond its
10587 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10588 Don't include gt-reg-stack.h.
10590 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10591 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10593 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10595 PR middle-end/26684
10596 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10599 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10601 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10603 2006-03-14 Richard Guenther <rguenther@suse.de>
10605 PR tree-optimization/26672
10606 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10609 2006-03-14 Richard Guenther <rguenther@suse.de>
10611 PR tree-optimization/26667
10612 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10613 node for the callees. Always allow inlining if it will shrink
10616 2006-03-14 Richard Guenther <rguenther@suse.de>
10618 PR middle-end/26659
10619 * builtins.c (get_pointer_alignment): Prefer alignment
10620 information from decls over that from types.
10622 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10625 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10627 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10629 * config/rs6000/rs6000.opt (mdlmzb): New option.
10630 (msched-prolog, msched-epilog): Use Var not Mask.
10631 * doc/invoke.texi (-mdlmzb): Document.
10632 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10634 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10635 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10637 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10639 PR rtl-optimization/25739
10640 * bt-load.c (augment_live_range): Free tos pointer.
10642 * gensupport.c (identify_predicable_attribute): Free
10644 * gcov.c (create_file_names): Free name pointer.
10646 2006-03-13 Roger Sayle <roger@eyesopen.com>
10648 PR middle-end/26557
10649 * stmt.c (emit_case_nodes): Handle the case where the index is a
10650 CONST_INT, where the comparison mode is specified by the index type.
10652 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10654 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10657 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10659 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10660 (*branch_fp_inverted): Likewise.
10662 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10664 PR middle-end/25989
10665 * omp-low.c (expand_omp_for_generic): Mark istart0
10666 and iend0 as addressable.
10668 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10670 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10672 2006-03-13 Jeff Law <law@redhat.com>
10674 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10675 virtual operands are interesting.
10676 (vrp_visit_stmt): Corresponding changes.
10678 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10680 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10682 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10683 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10684 * config/bfin/crti.S: Use it instead of __PIC__.
10685 * config/bfin/crtn.S: Likewise.
10687 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10688 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10690 Lose 'G' modifier for call operand.
10691 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10692 recognize 'G' modifier.
10694 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10696 PR middle-end/18859
10697 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10698 * stmt.c (expand_case): Likewise.
10700 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10702 PR rtl-optimization/26254
10703 * loop-invariant.c (seq_insns_valid_p): New function.
10704 (move_invariant_reg): Only emit new code if it is valid.
10706 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10708 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10710 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10711 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10712 (commit_one_edge_insertion): Do not look for loop notes.
10714 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10716 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10717 flag_test_coverage out of loop.
10719 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10721 * final.c (shorten_branches): Remove outdated comment, and turn
10722 the if branch that guards it to continue.
10724 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10726 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10727 * cfgloop.h (struct loop): Remove unused fields.
10729 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10731 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10732 (-dL, -fdump-rtl-loop2): Update the dump file names
10734 * doc/invoke.texi: Update dump file names.
10736 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10738 * predict.c (estimate_probability): Remove.
10739 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10740 * basic-block.h (estimate_probability): Remove prototype.
10741 * passes.c (finish_optimization_passes): Dump branch prediction or
10742 profiling heuristics to the .profile tree dump.
10743 (init_optimization_passes): Unqueue pass_branch_prob.
10745 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10747 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10749 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10750 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10752 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10754 * function.h (frame_offset_overflow): Declare.
10755 * function.c (frame_offset_overflow): New function.
10756 (assign_stack_local_1): Call it to detect that the offset overflows.
10757 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10759 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10761 * config/sh/sh.c: Include alloc-pool.h.
10762 (label_ref_list_pool): New alloc pool.
10763 (label_ref_list_t): New type for lists of labels.
10764 (struct pool_node): Make wend a label_ref_list_t.
10765 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10767 (dump_table): Likewise.
10768 (sh_reorg): Set up the alloc pool before using add_constant and
10769 dump_table, and destroy it when finishing.
10771 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10773 * config/mips/mips.c: Remove redundant comment.
10775 2006-03-10 Jason Merrill <jason@redhat.com>
10778 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10779 the target was declared 'register'.
10781 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10783 * genpreds.c (write_insn_constraint_len): Change definition of
10784 insn_constraint_len to return size_t to match the declaration.
10786 2006-03-10 DJ Delorie <dj@redhat.com>
10788 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10790 (m32c_expand_insv): Fix test for an AND mask.
10792 2006-03-10 Richard Guenther <rguenther@suse.de>
10794 PR middle-end/26565
10795 * builtins.c (get_pointer_alignment): Handle component
10796 references for field alignment.
10798 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10800 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10801 when building with libgloss.
10802 (sh*elf): Implement --without-fp option.
10803 (sh64-superh-linux*): Don't multilib.
10805 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10807 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10809 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10811 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10812 Set it when one of the replacement functions returned true.
10813 Return TODO_cleanup_cfg if cfgchanged is true.
10814 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10816 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10818 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10819 instead of gen_lowpart.
10821 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10823 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10825 (mips_output_order_conditional_branch): Declare.
10826 * config/mips/mips.h (MIPS_BRANCH): New macro.
10827 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10828 for the comparison. Use gen_condjump.
10829 (mips_output_conditional_branch): Rework interface to take the
10830 asm templates for a direct branch and the inverse of a direct branch.
10831 (mips_output_order_conditional_branch): New function.
10832 (mips_builtin_branch_and_move): New function.
10833 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10834 branch condition. Use gen_single_cc as the condition for
10835 __builtin_mips_upper_* or __builtin_mips_lower_*.
10836 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10837 Use VOIDmode for the branch condition.
10838 * config/mips/predicates.md (order_operator): New predicate.
10839 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10840 (branch_fp): Rename to...
10841 (*branch_fp): ...this. Remove mode from comparison operator.
10842 Use new mips_output_conditional_branch interface.
10843 (branch_fp_inverted): Rename to...
10844 (*branch_fp_inverted): ...this and update as for *branch_fp.
10845 (*branch_zero<mode>): Rename to...
10846 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10847 Use mips_output_order_conditional_branch. Only accept ordered
10849 (*branch_zero<mode>_inverted): Rename to...
10850 (*branch_order<mode>_inverted): ...this and update as for
10851 *branch_order<mode>.
10852 (*branch_equality<mode>): Accept zero as the second operand to
10853 the equality operator. Use the new mips_output_conditional_branch
10855 (*branch_equality<mode>_inverted): Likewise.
10856 (condjump): New expander.
10857 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10859 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10860 (bc1any2t, bc1any2f): Likewise.
10861 (single_cc): New expander.
10862 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10864 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10866 * doc/md.texi: Update documentation of MIPS constraints.
10867 * config/mips/constraints.md: New file.
10868 * config/mips/mips.md: Include it.
10869 * config/mips/mips.c (mips_char_to_class): Delete.
10870 (override_options): Don't initialize mips_char_to_class.
10871 * config/mips/mips.h (mips_char_to_class): Delete.
10872 (REG_CLASS_FROM_LETTER): Delete.
10873 (CONST_OK_FOR_LETTER_P): Delete.
10874 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10875 (EXTRA_CONSTRAINT_Y): Delete.
10876 (EXTRA_CONSTRAINT_STR): Delete.
10877 (CONSTRAINT_LEN): Delete.
10878 (EXTRA_MEMORY_CONSTRAINT): Delete.
10880 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10882 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10883 original fn's eh regions.
10885 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10887 * fold-const.c (build_range_check): Make sure to use a valid type to
10888 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10891 (range_predecessor): New static function.
10892 (range_successor): Likewise.
10893 (merge_ranges): Use them to compute predecessors and successors of
10896 2006-03-09 Roger Sayle <roger@eyesopen.com>
10898 PR middle-end/26561
10899 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10900 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10902 2006-03-08 DJ Delorie <dj@redhat.com>
10904 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10905 (addpsi3): Expand to include memory operands. Remove
10906 reload-specific splits.
10907 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10908 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10909 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10910 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10911 (shift1_qi, shift1_hi, insv): New.
10912 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10913 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10914 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10916 * config/m32c/m32c-protos.h: Update as needed.
10917 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10918 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10919 Fail for unrecognized R* constraints.
10920 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10921 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10922 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10924 (m32c_init_libfuncs): New.
10925 (m32c_legitimate_address_p): Add debug wrapper.
10926 (m32c_rtx_costs): New.
10927 (m32c_address_cost): New.
10928 (conversions): Add 'B' prefix.
10929 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10930 operands, or word regnames for QI operands. 'B' prints bit
10932 (m32c_expand_setmemhi): New.
10933 (m32c_expand_movmemhi): New.
10934 (m32c_expand_movstr): New.
10935 (m32c_expand_cmpstr): New.
10936 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10937 (m32c_expand_neg_mulpsi3): Handle non-ints.
10938 (m32c_cmp_flg_0): New.
10939 (m32c_expand_movcc): New.
10940 (m32c_expand_insv): New.
10941 (m32c_scc_pattern): New.
10942 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10943 a0/a1 out of SIregs.
10944 (STORE_FLAG_VALUE): New.
10945 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10948 * config/m32c/mov.md: Make constraints more liberal.
10949 (zero_extendqihi2): Optimize r0/r1 case.
10950 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10951 * config/m32c/predicates.md (m32c_any_operand): New.
10952 (m32c_nonimmediate_operand): New.
10953 (m32c_hl_operand): New.
10954 (m32c_r3_operand): New.
10957 (memsym_operand): New.
10958 (memimmed_operand): New.
10959 (a_qi_operand): New.
10960 (m32c_eqne_operator): New.
10961 (m32c_1bit8_operand): New.
10962 (m32c_1bit16_operand): New.
10963 (m32c_1mask8_operand): New.
10964 (m32c_1mask16_operand): New.
10965 * config/m32c/blkmov.md: New file.
10966 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10968 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10970 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10971 unsigned to fix signed/unsigned comparison issue in
10972 DWARF2_FRAME_REG_OUT.
10973 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10974 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10976 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10977 of ptr into the ENABLE_CHECKING section.
10979 2006-03-08 Jeff Law <law@redhat.com>
10981 * tree-vrp.c (infer_value_range): Only count pointer uses
10982 and dereferences if -fdelete-null-pointer-checks is enabled.
10984 * tree-vrp.c (find_assert_locations): Infer value ranges for
10985 single use pointers, but do not create ASSERT_EXPRs for them.
10986 When a non-null range is inferred for a pointer, backwards
10987 propagate that range to other equivalent pointers through the
10990 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10993 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10994 language hook targets.
10995 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10996 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10997 if language hook targets were missing.
10999 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
11001 * tree-ssa-opfinalize.h: Removed.
11002 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
11004 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
11005 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
11006 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
11007 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
11008 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11009 finalize_ssa_v_must_def_ops): New.
11011 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
11013 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11014 block as parameter.
11016 2006-03-07 Geoffrey Keating <geoffk@apple.com>
11018 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11020 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11021 addresses with offsets; reorganize.
11023 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11024 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11025 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11027 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11030 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11032 2006-03-08 Ben Elliston <bje@au.ibm.com>
11034 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11036 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11039 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11042 2006-03-07 Richard Guenther <rguenther@suse.de>
11044 PR tree-optimization/26587
11045 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11047 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11049 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11051 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11053 * hooks.c (hook_bool_mode_rtx_true): New function.
11054 * hooks.h (hook_bool_mode_rtx_true): Declare.
11055 * toplev.c (compile_file): Call output_shared_constant_pool.
11056 * varasm.c (shared_constant_pool): New variable.
11057 (assemble_start_function, assemble_end_function): Remove arguments
11058 from call to output_constant_pool.
11059 (create_constant_pool): New function, split out from...
11060 (init_varasm_status): ...here.
11061 (force_const_mem): Choose between the shared and per-function constant
11062 pools. Set current_function_uses_const_pool when reusing old entries
11063 as well as when creating new ones.
11064 (mark_constant): Ignore data argument.
11065 (mark_constants): Remove pool argument.
11066 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11067 to decide whether the function uses a constant pool.
11068 (output_constant_pool_contents): New function, split out from...
11069 (output_constant_pool): ...here.
11070 (output_shared_constant_pool): New function.
11071 (init_varasm_once): Initialize shared_constant_pool.
11072 * output.h (output_constant_pool): Delete.
11073 (output_shared_constant_pool): Declare.
11074 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11075 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11077 2006-03-06 Nick Clifton <nickc@redhat.com>
11079 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11080 flag_strength_reduce.
11082 2006-03-06 Ben Elliston <bje@au.ibm.com>
11084 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11085 x86_64-*-linux* configurations.
11087 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11088 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11090 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11092 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11094 * basic-block.h: Remove the extern for
11095 rediscover_loops_after_threading.
11097 * cfgloop.c (cancel_loop): Make it static.
11098 * cfgloop.h: Remove the prototype for cancel_loop.
11100 * flow.c (recompute_reg_usage): Make it static.
11101 * rtl.h: Remove the prototype for recompute_reg_usage.
11103 * function.c (use_return_register): Make it static.
11104 * function.h: Remove the prototype.
11106 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11108 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11110 * recog.h: Remove the prototype for
11111 validate_change_maybe_volatile.
11113 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11115 * rtlanal.c (replace_reg): Remove.
11116 * rtl.h: Remove the prototype for replace_reg.
11118 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11120 * regclass.c (reg_scan_update): Remove.
11121 (reg_scan_mark_refs): Remove the last argument.
11122 * rtl.h: Remove the prototype for reg_scan_update.
11124 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11126 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11127 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11128 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11129 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11130 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11131 loop-invariant.c, omp-low.c, opts.c, passes.c,
11132 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11133 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11134 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11135 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11136 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11137 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11139 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11141 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11142 * dwarf2out.h: Remove the prototype for
11143 dwarf2out_add_library_unit_info.
11145 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11147 * tree.c (add_var_to_bind_expr): Remove.
11148 * tree.h: Remove the prototype for add_var_to_bind_expr.
11150 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11152 * regclass.c (n_non_fixed_regs): Remove.
11153 (init_reg_sets_1, globalize_reg): Remove all uses of
11155 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11157 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11159 * rtlanal.c (insns_safe_to_move_p): Remove.
11160 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11162 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11164 * expmed.c (expand_mult_add): Remove.
11165 * expr.h: Remove the prototype for expand_mult_add.
11167 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11169 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11170 and REG_SAVED_VAL_EXP constants.
11171 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11172 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11173 Handle regs stored by value.
11174 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11175 (execute_cfa_program): Handle DW_CFA_val_offset,
11176 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11177 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11178 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11179 (uw_install_context_1): Handle target regs stored by value.
11181 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11183 * tree-sra.c (tree_sra): Return todoflags;
11184 (generate_one_element): Set TODO_update_smt_usage if needed.
11185 (pass_sra): Remove TODO_update_smt_usage.
11186 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11188 (tree_ssa_forward_propagate_single_use_vars): Return
11189 TODO_update_smt_usage if we need to update SMT usage.
11190 (pass_forwprop): Remove TODO_update_smt_usage.
11192 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11194 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11195 (correct_use_link): Remove reference to get_stmt_operands.
11196 (update_stmt_operands): Likewise.
11197 (get_modify_expr_operands): New function factored out of
11198 parse_ssa_operands and get_expr_operands.
11199 Try to create V_MUST_DEFs for LHS by default.
11200 (get_expr_operands) <case MODIFY_EXPR>: Call
11201 get_modify_expr_operands.
11202 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11203 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11204 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11205 get_modify_expr_operands.
11207 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11209 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11210 * tree-flow.h: Remove the prototype for
11211 referenced_var_lookup_if_exists.
11213 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11215 PR rtl-optimization/26345
11217 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11219 2006-03-03 Roger Sayle <roger@eyesopen.com>
11221 PR tree-optimization/26524
11222 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11223 fold_convert to create a constant of the appropriate type.
11225 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11227 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11228 SYMBOL_REF_IN_BLOCK_P.
11229 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11230 of SYMBOL_FLAG_IN_BLOCK.
11231 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11232 instead of SYMBOL_REF_IN_BLOCK_P.
11233 * explow.c (use_anchored_address): Likewise.
11234 * rtl.c (rtx_size): Likewise.
11235 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11236 instead of SYMBOL_FLAG_IN_BLOCK.
11237 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11238 SYMBOL_REF_IN_BLOCK_P.
11239 (assemble_variable): Likewise.
11240 (output_constant_def_contents): Likewise.
11241 (output_constant_pool): Likewise.
11242 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11243 instead of SYMBOL_FLAG_IN_BLOCK.
11244 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11245 SYMBOL_REF_IN_BLOCK_P.
11246 (SYMBOL_REF_BLOCK): Likewise.
11247 (SYMBOL_REF_OFFSET): Likewise.
11248 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11249 SYMBOL_REF_IN_BLOCK_P.
11250 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11251 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11252 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11253 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11255 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11257 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11259 2006-03-02 Roger Sayle <roger@eyesopen.com>
11261 * simplify-rtx.c (simplify_unary_operation): When simplifying
11262 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11263 that we perform the right shift in the appropriate mode, and
11264 then extend or truncate the result to requested mode.
11266 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11268 * gengtype.c (main): Handle double_int type.
11269 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11270 * double-int.c: New file.
11271 * double-int.h: New file.
11272 * system.h: Include doubleint.h.
11273 * Makefile.in (SYSTEM_H): Include double-int.h.
11274 (double-int.o): Add.
11276 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11279 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11282 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11284 * tree-vrp.c (remove_range_assertions): Do not update statements
11287 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11289 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11291 * gcse.c (rest_of_handle_gcse): Ditto.
11292 * except.c (gate_handle_eh): Ditto.
11293 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11294 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11296 2006-03-02 Eric Christopher <echristo@apple.com>
11298 * config/i386/i386.c (machopic_output_stub): Add indirection to
11301 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11305 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11307 Sun Niagara specific optimizations.
11308 * config.gcc: Recognize niagara as target.
11309 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11310 (TARGET_CPU_niagara): Define.
11311 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11312 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11313 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11314 (ASM_CPU_SPEC): Likewise.
11315 (PROCESSOR_NIAGARA): New enum entry.
11316 (REGISTER_MOVE_COST): Handle Niagara.
11317 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11318 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11319 (sparc_override_options): Recognize "niagara", set appropriate
11320 default MASK_* values for it, and align functions to 32-bytes
11321 by default just like ULTRASPARC/ULTRASPARC3.
11322 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11323 (sparc64_initialize_trampoline): Likewise.
11324 (sparc_use_sched_lookahead): Use zero for niagara.
11325 (sparc_issue_rate): Use one for niagara.
11326 * config/sparc/niagara.md: New file.
11327 * config/sparc/sparc.md: Include it.
11328 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11329 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11330 when default cpu is niagara.
11331 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11332 (ASM_CPU_SPEC): Likewise.
11333 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11334 when default cpu is niagara.
11335 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11336 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11337 just like v9/ultrasparc/ultrasparc3.
11338 * doc/invoke.texi: Add documentation for "niagara" and improve
11339 existing documentation for ultrasparc variants.
11341 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11343 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11345 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11347 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11348 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11349 and say that only one is needed.
11350 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11351 * target.h (have_switchable_bss_sections): New hook.
11352 * explow.c (use_anchored_address): Check that the symbol is in a block.
11353 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11354 (bss_noswitch_section): New variables.
11355 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11356 (get_noswitch_section): New function.
11357 (get_block_for_section): Allow SECT to be null.
11358 (unlikely_text_section_p): Use SECTION_STYLE.
11359 (bss_initializer_p): New function.
11360 (get_variable_section): Move earlier in file. Take a new argument,
11361 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11362 Return one of the new *_sections in such cases.
11363 (get_block_for_decl): New function, extracting some logic from
11364 use_blocks_for_decl_p.
11365 (change_symbol_section): Remove in favor of...
11366 (change_symbol_block): ...this new function.
11367 (use_blocks_for_decl_p): Remove checks now performed by
11368 get_block_for_decl.
11369 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11370 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11371 (emit_local, emit_bss, emit_common): ...these new functions.
11372 Return true if the alignment was honored.
11373 (emit_tls_common): New function.
11374 (asm_emit_uninitialised): Delete.
11375 (assemble_variable_noswitch): New function, split out from...
11376 (assemble_variable): ...here. Don't make decisions about common
11377 variables here. Globalize all public decls that go into non-common
11378 sections. Check whether SYMBOL_REF_BLOCK is null.
11379 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11380 (output_constant_pool): Likewise.
11381 (init_varasm_once): Initialize the new section variables.
11382 (have_global_bss_p): New function.
11383 (categorize_decl_for_section): Use bss_initializer_p.
11384 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11385 (place_block_symbol): Assert that the symbol must be in a block.
11386 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11387 (TARGET_INITIALIZER): Include it.
11388 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11389 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11390 (SECTION_MACH_DEP): Bump by two.
11391 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11392 (unnamed_section): Mention SECTION_UNNAMED in comment.
11393 (named_section): Likewise SECTION_NAMED.
11394 (noswitch_section_callback): New type.
11395 (noswitch_section): New structure.
11396 (section): Add a noswitch_section alternative.
11397 (SECTION_STYLE): New macro.
11398 (tls_comm_section, comm_section, lcomm_section): Declare.
11399 (bss_noswitch_section, have_global_bss_p): Declare.
11400 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11401 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11403 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11404 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11407 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11409 * tree-vrp.c (execute_vrp): Return value.
11410 * regrename.c (rest_of_handle_regrename): Ditto.
11411 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11412 * tree-complex.c (tree_lower_complex): Ditto.
11413 (tree_lower_complex_O0): Ditto.
11414 * tracer.c (rest_of_handle_tracer): Ditto.
11415 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11416 * postreload.c (rest_of_handle_postreload): Ditto.
11417 * tree-tailcall.c (execute_tail_recursion): Ditto.
11418 (execute_tail_calls): Ditto.
11419 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11420 * tree.h (init_function_for_compilation): Ditto.
11421 * ipa-cp.c (ipcp_driver): Ditto.
11422 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11423 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11424 * final.c (compute_alignments): Ditto.
11425 (rest_of_handle_final): Ditto.
11426 (rest_of_handle_shorten_branches): Ditto.
11427 (rest_of_clean_state): Ditto.
11428 * omp-low.c (execute_expand_omp): Ditto.
11429 (execute_lower_omp): Ditto.
11430 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11431 * ipa-reference.c (static_execute): Ditto.
11432 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11433 * reorg.c (rest_of_handle_delay_slots): Ditto.
11434 (rest_of_handle_machine_reorg): Ditto.
11435 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11436 * flow.c (recompute_reg_usage): Ditto.
11437 (rest_of_handle_remove_death_notes): Ditto.
11438 (rest_of_handle_life): Ditto.
11439 (rest_of_handle_flow2): Ditto.
11440 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11441 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11442 (do_ssa_store_ccp): Ditto.
11443 (execute_fold_all_builtins): Ditto.
11444 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11445 * modulo-sched.c (rest_of_handle_sms): Ditto.
11446 * ipa-pure-const.c (static_execute): Ditto.
11447 * cse.c (rest_of_handle_cse): Ditto.
11448 (rest_of_handle_cse2): Ditto.
11449 * web.c (rest_of_handle_web): Ditto.
11450 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11451 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11452 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11453 * tree-nrv.c (tree_nrv): Ditto.
11454 (execute_return_slot_opt): Ditto.
11455 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11456 (create_structure_vars): Ditto.
11457 * loop-init.c (rtl_loop_init): Ditto.
11458 (rtl_loop_done): Ditto.
11459 (rtl_move_loop_invariants): Ditto.
11460 (rtl_unswitch): Ditto.
11461 (rtl_unroll_and_peel_loops): Ditto.
11462 (rtl_doloop): Ditto.
11463 * gimple-low.c (lower_function_body): Ditto.
11464 (mark_used_blocks): Ditto.
11465 * tree-ssa-sink.c (execute_sink_code): Ditto.
11466 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11467 (cgraph_early_inlining): Ditto.
11468 * global.c (rest_of_handle_global_alloc): Ditto.
11469 * jump.c (cleanup_barriers): Ditto.
11470 (purge_line_number_notes): Ditto.
11471 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11472 (rest_of_handle_if_after_reload): Ditto.
11473 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11474 (tree_ssa_loop_im): Ditto.
11475 (tree_ssa_loop_unswitch): Ditto.
11476 (tree_vectorize): Ditto.
11477 (tree_linear_transform): Ditto.
11478 (tree_ssa_loop_ivcanon): Ditto.
11479 (tree_ssa_empty_loop): Ditto.
11480 (tree_ssa_loop_bounds): Ditto.
11481 (tree_complete_unroll): Ditto.
11482 (tree_ssa_loop_prefetch): Ditto.
11483 (tree_ssa_loop_ivopts): Ditto.
11484 (tree_ssa_loop_done): Ditto.
11485 * predict.c (tree_estimate_probability): Ditto.
11486 * recog.c (split_all_insns_noflow): Ditto.
11487 (rest_of_handle_peephole2): Ditto.
11488 (rest_of_handle_split_all_insns): Ditto.
11489 * tree-eh.c (lower_eh_constructs): Ditto.
11490 * regmove.c (rest_of_handle_regmove): Ditto.
11491 (rest_of_handle_stack_adjustments): Ditto.
11492 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11493 * function.c (instantiate_virtual_regs): Ditto.
11494 (init_function_for_compilation): Ditto.
11495 (rest_of_handle_check_leaf_regs): Ditto.
11496 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11497 (rest_of_handle_gcse): Ditto.
11498 * ipa-type-escape.c (type_escape_execute): Ditto.
11499 * alias.c (rest_of_handle_cfg): Ditto.
11500 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11501 * profile.c (rest_of_handle_branch_prob): Ditto.
11502 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11503 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11504 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11505 * tree-dfa.c (find_referenced_vars): Ditto.
11506 * except.c (set_nothrow_function_flags): Ditto.
11507 (convert_to_eh_region_ranges): Ditto.
11508 (rest_of_handle_eh): Ditto.
11509 * emit-rtl.c (unshare_all_rtl): Ditto.
11510 (remove_unnecessary_notes): Ditto.
11511 * except.h (set_nothrow_function_flags): Ditto.
11512 (convert_to_eh_region_ranges): Ditto.
11513 * cfgexpand.c (tree_expand_cfg): Ditto.
11514 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11515 * tree-ssa-pre.c (do_pre): Ditto.
11516 (execute_fre): Ditto.
11517 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11518 (rest_of_handle_jump2): Ditto.
11519 * tree-sra.c (tree_sra): Ditto.
11520 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11521 (execute_mudflap_function_decls): Ditto.
11522 * tree-ssa-copy.c (do_copy_prop): Ditto.
11523 (do_store_copy_prop): Ditto.
11524 * ipa-prop.h (ipcp_driver): Ditto.
11525 * cfglayout.c (insn_locators_initialize): Ditto.
11526 * tree-ssa-forwprop.c
11527 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11528 * cfglayout.h (insn_locators_initialize): Ditto.
11529 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11530 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11531 (execute_late_warn_uninitialized): Ditto.
11532 * rtl.h (cleanup_barriers): Ditto.
11533 (split_all_insns_noflow): Ditto.
11534 (purge_line_number_notes): Ditto.
11535 (unshare_all_rtl): Ditto.
11536 (remove_unnecessary_notes): Ditto.
11537 (recompute_reg_usage): Ditto.
11538 (variable_tracking_main): Ditto.
11539 * integrate.c (emit_initial_value_sets): Ditto.
11540 * integrate.h (emit_initial_value_sets): Ditto.
11541 * tree-optimize.c (execute_free_datastructures): Ditto
11542 (execute_free_cfg_annotations): Ditto.
11543 (execute_fixup_cfg): Ditto.
11544 (execute_cleanup_cfg_pre_ipa): Ditto.
11545 (execute_cleanup_cfg_post_optimizing): Ditto.
11546 (execute_init_datastructures): Ditto.
11547 * tree-object-size.c (compute_object_sizes): Ditto.
11548 * combine.c (rest_of_handle_combine): Ditto.
11549 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11550 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11551 (rest_of_handle_reorder_blocks): Ditto.
11552 (rest_of_handle_partition_blocks): Ditto.
11553 * var-tracking.c (variable_tracking_main): Ditto.
11554 * tree-profile.c (tree_profiling): Ditto.
11555 * tree-vect-generic.c (expand_vector_operations): Ditto.
11556 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11557 * sched-rgn.c (rest_of_handle_sched): Ditto.
11558 (rest_of_handle_sched2): Ditto.
11559 * basic-block.h (free_bb_insn): Ditto.
11560 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11561 * tree-cfg.c (execute_build_cfg): Ditto.
11562 (remove_useless_stmts): Ditto.
11563 (split_critical_edges): Ditto.
11564 (execute_warn_function_return): Ditto.
11565 (execute_warn_function_noreturn): Ditto.
11566 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11567 * cfgrtl.c (free_bb_for_insn): Ditto.
11568 * passes.c (execute_one_pass): Run additional
11569 todos returned by execute function.
11570 * tree-pass.h (struct tree_opt_pass): Make execute
11573 2006-03-02 Richard Guenther <rguenther@suse.de>
11575 * tree-ssa-alias.c (find_used_portions): Consider taking
11576 the address as making the variable not write-only.
11578 2006-03-02 Nick Clifton <nickc@redhat.com>
11580 * config.gcc (default_use_cxa_atexit): Extend the description of
11581 this configure variable. Set its default value to "yes" for
11582 Linux, NetBSD and ELF targets on the assumption that they will
11583 use C libraries with the __cxa_atexit function.
11585 2006-03-02 Ben Elliston <bje@au.ibm.com>
11587 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11588 parameter as unused to suppress a build warning.
11590 2006-03-02 Ben Elliston <bje@au.ibm.com>
11592 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11595 2006-03-01 Roger Sayle <roger@eyesopen.com>
11598 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11599 declared name, the weak reference name, and the typeof name.
11600 (__gthrw): Avoid expanding the declared name suffix.
11601 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11603 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11605 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11607 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11608 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11609 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11610 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11611 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11612 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11613 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11614 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11615 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11616 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11617 (DW_END_default, DW_END_big, DW_END_little): New.
11618 (DW_END_lo_user, DW_END_hi_user): Define.
11619 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11620 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11621 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11624 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11626 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11628 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11630 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11632 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11634 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11635 to 'symbol_mem_tag'.
11637 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11640 2006-03-01 Roger Sayle <roger@eyesopen.com>
11642 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11644 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11647 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11648 MACHO_DYNAMIC_NO_PIC_P.
11649 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11651 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11654 * config/darwin-protos.h (darwin_asm_output_anchor):
11656 * config/darwin-sections.def (cstring_section):
11657 Add SECTION_MERGE to the flags.
11658 (literal4_section): Likewise.
11659 (literal8_section): Likewise.
11660 (objc_selector_refs_section): Likewise.
11661 (objc_cls_refs_section): Likewise.
11662 * config/darwin.c (darwin_asm_output_anchor): New
11664 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11666 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11668 Fix PR tree-optimization/26443
11669 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11670 to todo and PROP_tmt_usage to properties_destroyed.
11671 * tree-ssa-ccp.c (pass_ccp): Ditto.
11672 (pass_store_ccp): Ditto.
11673 * tree-ssa-dom.c (pass_dominator): Ditto.
11675 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11677 * tree-ssa-operands.c: Cleanup whitespace.
11678 (get_asm_expr_operands): Move before first invocation.
11679 (get_indirect_ref_operands): Likewise.
11680 (get_tmr_operands): Likewise.
11681 (get_call_expr_operands): Likewise.
11682 (append_def): Likewise.
11683 (append_use): Likewise.
11684 (append_v_may_def): Likewise.
11685 (append_v_must_def): Likewise.
11686 (add_call_clobber_ops): Likewise.
11687 (add_call_read_ops): Likewise.
11688 (add_stmt_operand): Likewise.
11689 (add_virtual_operand): Likewise.
11690 (build_ssa_operands): Likewise.
11692 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11694 PR middle-end/26022
11696 PR middle-end/24437
11697 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11698 with a call expr to ...
11699 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11701 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11703 * tree-vrp.c (extract_range_from_assert): Remove special
11704 handling for types with super-types.
11706 2006-03-01 Ben Elliston <bje@au.ibm.com>
11708 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11709 and powerpc64-*-linux* configurations.
11710 * config/t-dfprules: New file.
11712 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11713 Compile dfp-bit.c from the source directory using -DWIDTH and
11714 $DFP_CFLAGS to control the compilation of that file, rather than
11715 generating width-specific versions in the build directory.
11716 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11717 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11719 2006-02-28 Zack Weinberg <zackw@panix.com>
11721 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11724 2006-02-28 Eric Christopher <echristo@apple.com>
11726 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11727 Set up IN_LIBGCC definition of TARGET_64BIT.
11728 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11730 2006-02-28 Roger Sayle <roger@eyesopen.com>
11732 PR middle-end/14752
11733 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11734 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11735 cases via the construction of "expr != 0".
11737 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11739 * alias.c (alias_invariant, alias_invariant_size): Remove.
11740 (record_base_value): Remove.
11741 (memrefs_conflict_p): Don't look at alias_invariant.
11742 (end_alias_analysis): Don't free it.
11743 * alias.h (record_base_value): Remove prototype.
11745 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11746 Adam Nemet <anemet@caviumnetworks.com>
11748 * rtl.h (truncated_to_mode): Declare it.
11749 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11750 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11751 (RTL_HOOKS_INITIALIZER): Include it.
11752 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11753 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11754 reg_truncated_to_mode.
11755 * rtlanal.c (truncated_to_mode): Define it.
11756 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11758 2006-02-28 Jeff Law <law@redhat.com>
11760 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11761 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11762 the range allowed by TYPE_PRECISION.
11764 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11766 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11768 PR tree-optimization/26419
11769 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11772 2006-02-27 Zack Weinberg <zackw@panix.com>
11774 * doc/md.texi: Fix typo in previous change.
11776 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11780 2006-02-27 Zack Weinberg <zackw@panix.com>
11782 * rtl.def (define_constraint, define_register_constraint)
11783 (define_memory_constraint, define_address_constraint): New MD forms.
11784 * gensupport.c (process_rtx): Put define_constraint etc on the
11786 * genpreds.c (process_define_predicate): Adjust comment. Validate
11787 the name, and call validate_exp to validate the expression.
11788 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11789 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11790 all callers changed.
11791 (validate_exp, needs_variable, struct constraint_data)
11792 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11793 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11794 (const_dbl_constraints, constraint_max_namelen)
11795 (have_register_constraints, have_memory_constraints)
11796 (have_address_constraints, have_address_constraints)
11797 (have_extra_constraints, have_const_int_constraints)
11798 (have_const_dbl_constraints, mangle, add_constraint)
11799 (process_define_constraint, process_define_register_constraint)
11800 (write_enum_constraint_num, write_lookup_constraint)
11801 (write_insn_constraint_len, write_regclass_for_constraint)
11802 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11803 (write_insn_extra_memory_constraint)
11804 (write_insn_extra_address_constraint)
11805 (write_satisfies_constraint_fns): New.
11806 (write_tm_preds_h): If we have new-style constraint definitions,
11807 prototype the functions generated from them, and define the
11808 old constraint interface (still used by generic code) in terms of
11810 (write_insn_preds_c): If we have new-style constraint definitions,
11811 generate all relevant functions from those definitions.
11812 (main): Handle define_constraint etc.
11813 * genoutput.c (struct constraint_data, indep_constraints)
11814 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11815 (mdep_constraint_len): New data structures and functions, defined
11816 #ifdef USE_MD_CONSTRAINTS.
11817 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11818 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11819 use new logic to validate operand constraints against constraint
11821 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11823 * defaults.h: If none of the old-style constraint macros are
11824 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11825 old-style macros; and poison REG_CLASS_FROM_LETTER,
11826 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11828 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11829 * doc/md.texi: Document new constraint-definition mechanism and the
11830 C interface it provides. Remove references to old mechanism
11831 elsewhere in the document.
11832 (Machine Constraints): Use pathnames relative to gcc directory,
11833 i.e. config/ARCH/FILE. Change i386 section to refer to
11834 config/i386/predicates.md; update that section to match docstrings.
11835 * doc/tm.texi: Move all documentation of the old constraint-
11836 definition macros to their own section, clearly mark as obsolete.
11838 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11839 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11841 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11842 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11843 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11844 constraint strings.
11845 (splits and peepholes): Use satisfies_constraint_*.
11846 * config/i386/i386.c (memory_address_length)
11847 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11849 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11851 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11852 scalar operation to be put back into the loop.
11854 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11857 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11858 (extract_cie_info): Handle S flag in augmentation string.
11859 (execute_cfa_program): If context->signal_frame, execute also
11860 fs->pc == context->ra instructions.
11861 (uw_frame_state_for): If context->signal_frame, don't subtract one
11862 from context->ra to find FDE.
11863 (uw_update_context_1): Set context->signal_frame to
11865 (_Unwind_GetIPInfo): New function.
11866 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11867 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11869 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11870 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11871 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11872 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11873 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11874 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11875 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11876 x86_64_fallback_frame_state): Set fs->signal_frame.
11877 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11878 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11879 (frob_update_context): Likewise. Workaround missing S flag in
11880 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11881 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11882 Remove the psw_addr + 1 hack.
11884 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11886 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11887 with aggregates here.
11888 (find_func_aliases): Remove code for &<aggregate> from here.
11890 2006-02-26 Roger Sayle <roger@eyesopen.com>
11892 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11893 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11894 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11895 as (X & C) ne/eq 0.
11897 2006-02-26 Roger Sayle <roger@eyesopen.com>
11899 PR middle-end/19983
11900 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11902 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11904 * opts.c (decode_options): Do not handle flag_strength_reduce.
11905 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11906 and OPT_fstrength_reduce.
11907 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11908 flag_prefetch_loop_arrays for being nonzero.
11909 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11911 (fprefetch-loop-arrays-rtl): Removed.
11912 (flag_prefetch_loop_arrays): Do not specify the value.
11914 * doc/passes.texi: Update documentation of loop optimizer
11916 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11917 -frerun-loop-opt): Remove.
11919 2006-02-26 Richard Guenther <rguenther@suse.de>
11921 PR tree-optimization/26421
11922 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11923 in function calls that are ADDR_EXPRs as using the whole structure.
11925 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11927 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11928 * tree-pass.h (pass_loop_optimize): Remove.
11929 * passes.c (pass_loop_optimize): Never run it.
11930 * toplev.c (backend_init): Don't call init_loop.
11931 * opts.c (flag_loop_optimize_set): Remove.
11932 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11933 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11934 the old RTL loop optimizer when profiling enabled.
11935 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11936 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11937 pre-headers for the sake of the old RTL loop optimizer.
11938 * Makefile.in: Remove all references to loop.o.
11940 * doc/invoke.texi: Remove all references to -floop-optimize
11941 and -frerun-loop-opt.
11943 2006-02-26 Zack Weinberg <zackw@panix.com>
11945 * doc/md.texi (Machine Constraints): Refer to all files with paths
11946 relative to gcc directory (i.e. config/CPU/file). Add missing
11947 @table @code ... @end table to M32C subsection.
11949 2006-02-26 Roger Sayle <roger@eyesopen.com>
11951 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11953 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11955 2006-02-26 Roger Sayle <roger@eyesopen.com>
11956 James A. Morrison <phython@gcc.gnu.org>
11958 PR middle-end/21137
11959 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11960 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11961 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11962 signedness of the shift operation.
11964 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11966 PR tree-optimization/26359
11967 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11969 2006-02-25 Roger Sayle <roger@eyesopen.com>
11971 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11972 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11973 as X == 0, and some symmetry related transformations.
11974 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11976 2006-02-25 Roger Sayle <roger@eyesopen.com>
11978 PR middle-end/23673
11979 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11980 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11981 symmetry related transformations. Fold (X^C1) == C2 as
11984 2006-02-25 Juergen Weigert <jw@suse.de>
11985 Richard Guenther <rguenther@suse.de>
11987 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11989 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11991 * combine.c (gen_lowpart_or_truncate): Call
11992 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11994 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11996 * doc/invoke.texi: Move -fopenmp description to "Options for
11998 Remove reference to -lgomp.
12000 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12002 * doc/install.texi: Require GNU tar version 1.14.
12004 2006-02-24 Geoffrey Keating <geoffk@apple.com>
12006 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
12007 * doc/invoke.texi (C++ Dialect Options): Document
12008 -fno-use-cxa-get-exception-ptr.
12009 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
12010 * configure: Regenerate.
12011 * c.opt (fuse-cxa-get-exception-ptr): New.
12012 * c-opts.c (c_common_handle_option): Handle
12013 OPT_fuse_cxa_get_exception_ptr.
12014 * c-common.c (flag_use_cxa_atexit): Update documentation.
12015 (flag_use_cxa_get_exception_ptr): New.
12016 * c-common.h (flag_use_cxa_get_exception_ptr): New.
12017 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12019 (C_COMMON_OVERRIDE_OPTIONS): New.
12021 2006-02-24 Roger Sayle <roger@eyesopen.com>
12023 PR middle-end/24952
12024 * combine.c (try_combine): Explicitly check whether GET_CODE is
12025 a SET or a CLOBBER, instead on checking that it isn't a USE.
12027 2006-02-24 Roger Sayle <roger@eyesopen.com>
12029 * fold-const.c (fold_comparison): New subroutine of fold_binary
12030 containing transformations common to both the equality and
12031 ordering relational operators, factored out of fold_binary.
12032 (fold_binary): Separate out the equality operators (EQ_EXPR
12033 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12034 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12035 transformations common to both.
12036 (fold_div_compare): Fix latent bugs in the previously unreachable
12037 LT_EXPR and GE_EXPR cases.
12039 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12041 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12042 decl libname for clog to __clog on AIX.
12044 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12046 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12049 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12050 output traceback table for thunks. Localise rs6000_stack_info call.
12052 2006-02-23 Roger Sayle <roger@eyesopen.com>
12053 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12055 * gthr-posix.h (__gthrw): Fix typo in comment.
12057 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12059 * doc/cpp.texi (Character sets): Document that we do support
12060 input files to be in any character set.
12062 2006-02-23 Jeff Law <law@redhat.com>
12064 * tree.h (PHI_ARG_NONZERO): Remove.
12065 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12066 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12067 node to the new node.
12069 PR tree-optimization/26425
12070 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12071 min/max, then assume its varying.
12073 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12075 PR rtl-optimization/26316
12076 * rtlanal.c (enum may_trap_p_flags): New.
12077 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12078 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12079 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12080 (may_trap_after_code_motion_p): New function.
12081 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12082 (find_invariant_insn): Use may_trap_after_code_motion_p.
12083 * rtl.h (may_trap_after_code_motion_p): Declare.
12085 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12087 * emit-rtl.c (immed_double_const): Cleanup.
12089 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12091 Fix PR tree-optimization/26376
12092 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12095 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12097 PR middle-end/26412
12098 * gimplify.c (omp_add_variable): Guard variable size decl test with
12099 DECL_SIZE (decl) check.
12101 2006-02-23 Richard Guenther <rguenther@suse.de>
12103 PR middle-end/26439
12104 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12105 like aggregate types.
12107 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12109 * configure.ac: Add --with{,out}-long-double-128 configure option.
12110 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12111 * configure: Rebuilt.
12112 * config.in: Rebuilt.
12113 * doc/install.texi (Options specification): Document
12114 --with-long-double-128.
12116 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12117 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12118 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12119 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12121 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12123 * config/s390/s390.c (override_options): Handle
12124 TARGET_DEFAULT_LONG_DOUBLE_128.
12126 * config/alpha/alpha.c (override_options): Handle
12127 TARGET_DEFAULT_LONG_DOUBLE_128.
12129 * config/sparc/sparc.c (sparc_override_options): Handle
12130 TARGET_DEFAULT_LONG_DOUBLE_128.
12132 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12134 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12135 (real-install-headers-tar, real-install-headers-cpio)
12136 (real-install-headers-cp): New targets.
12138 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12140 * tree.h (variable_section): Delete.
12141 * varasm.c (variable_section): Delete.
12143 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12145 * install.texi: Add notes on install.texi2html.
12146 (Building in parallel): Do not use footnotes.
12148 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12151 * doc/install.texi (Configuration): Document --disable-libgomp.
12153 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12155 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12157 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12159 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12160 (vec_extractv2df_0_sse): New.
12162 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12164 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12165 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12166 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12167 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12168 to the result of the expression.
12169 (def_cfa_1): Adjust.
12170 (frame_pointer_cfa_offset): Rename to...
12171 (frame_pointer_fb_offset): ... this. Adjust all uses.
12172 (convert_cfa_to_loc_list): Rename to...
12173 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12174 Pass it on to build_cfa_loc.
12175 (compute_frame_pointer_to_cfa_displacement): Rename to...
12176 (compute_frame_pointer_to_fb_displacement): ... this. New
12177 offset parameter. Use it in computation.
12178 (gen_subprogram_die): Compute cfa_fb_offset with the new
12179 macro, and use it to compute the fb loc list and the
12182 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12184 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12185 replaced with register_operand.
12186 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12187 non-DREG is expensive.
12188 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12189 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12192 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12194 * doc/install.texi2html: Use set -e.
12196 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12198 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12199 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12200 * doc/invoke.texi (-fshared-data): Delete.
12201 * common.opt (fshared-data): Delete.
12202 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12203 (assemble_static_space): Remove #if 0 code.
12204 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12205 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12206 * config/cris/cris.h: Remove FIXME.
12208 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12210 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12213 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12215 PR middle-end/26379
12216 * combine.c (simplify_shift_const_1): Disable nested shifts
12217 optimization for vector shifts.
12219 2006-02-20 Roger Sayle <roger@eyesopen.com>
12221 PR tree-optimization/26361
12222 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12223 of unsigned integer types.
12225 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12227 * tree-chrec.c (eq_evolutions_p): New.
12228 * tree-chrec.h (eq_evolutions_p): Declared.
12229 * tree-data-ref.c: Fix formatting.
12230 (datadep_stats, dependence_stats): New.
12232 (print_direction_vector): New.
12233 (dump_data_dependence_relation): Use print_direction_vector.
12234 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12235 (compute_subscript_distance): Static.
12236 (initialize_data_dependence_relation): Static. Get the number
12237 of loops surrounding the references from the callers, and initialize
12238 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12239 base_object_differ_p analyzers.
12240 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12241 compute_overlap_steps_for_affine_1_2,
12242 analyze_subscript_affine_affine): Count the classified dependences.
12243 Print a message when a test failed.
12244 (can_use_analyze_subscript_affine_affine): New.
12245 (analyze_siv_subscript): Compute the data dependences on symbolic
12246 scevs that verify can_use_analyze_subscript_affine_affine.
12247 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12248 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12249 Handle symbolic scevs.
12250 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12252 (subscript_dependence_tester): Moved...
12253 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12254 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12255 DDR_SIZE_VECT instead of getting it in parameter.
12256 (subscript_dependence_tester): ... here. Take as a parameter
12257 loop_nest_depth. Call build_classic_dist_vector and
12258 build_classic_dir_vector.
12259 (compute_affine_dependence): Update subscript_dependence_tester
12260 parameters. Update datadep_stats counters. Call
12261 compute_subscript_distance.
12262 (compute_self_dependence): Save the dist and dir vectors. Call
12263 compute_subscript_distance.
12264 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12265 (compute_all_dependences): Reorder parameters as they were before
12266 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12267 compute_subscript_distance. Update the use of
12268 compute_affine_dependence and initialize_data_dependence_relation.
12269 (find_data_references_in_loop): Handle COMPONENT_REF.
12270 (compute_data_dependences_for_loop): Initialize dependence_stats.
12271 Don't call build_classic_dist_vector and build_classic_dir_vector.
12272 Update the parameters of initialize_data_dependence_relation and
12273 compute_all_dependences. Print the statistics from datadep_stats.
12274 (analyze_all_data_dependences): Static. Not used until the pass for
12275 checking the data dependences is contributed.
12276 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12277 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12278 (initialize_data_dependence_relation, compute_affine_dependence,
12279 analyze_all_data_dependences, compute_subscript_distance): Removed.
12280 (print_direction_vector): New.
12281 * lambda.h (gcd): ... here.
12282 (lambda_vector_gcd): Moved here from gcd_vector.
12283 * lambda-code.c (gcd, gcd_vector): Removed.
12284 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12285 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12287 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12289 * ipa-type-escape.c: Tidy some comments and white space.
12290 * tree-ssa-operands.c: Likewise.
12292 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12295 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12296 (dump_decl_name): Do not walk the decl tree chains.
12297 * tree-pass.h (TDF_CHAIN): Remove.
12299 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12301 * Makefile.in (C): Remove
12303 (.PHONY): Remove C and PROTO
12305 2006-02-20 Roger Sayle <roger@eyesopen.com>
12307 PR middle-end/26236
12308 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12309 deprecated CHAR_TYPE tree code.
12311 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12313 * configure.ac (target_list): Add install-info, dvi, html.
12314 * configure: Regenerate.
12316 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12317 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12318 treelang/Make-lang.in: Do not use double-colon rules.
12320 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12322 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12323 (TMT_USED_ALONE): New macro.
12324 * tree-pass.h (PROP_tmt_usage): New property.
12325 (TODO_update_tmt_usage): New todo.
12326 * tree-ssa-alias.c (updating_used_alone): New variable.
12327 (recalculate_used_alone): New function.
12328 (compute_may_aliases): Set updating_used_alone, call
12329 recalculate_used_alone.
12330 * tree-sra.c (pass_sra): Note that this pass destroys
12331 PROP_tmt_usage, and add TODO_update_tmt_usage.
12332 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12333 * tree-flow.h (updating_used_alone): Prototype.
12334 (recalculate_used_alone): Ditto.
12335 * passes.c (execute_todo): Add code to set updating_used_alone,
12336 and call recalculate.
12337 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12338 for clobber if used alone, and add assert to verify used_alone
12341 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12343 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12344 for non tls symbols added.
12345 (legitimize_address): Do nothing for PLUS expressions if one of the
12346 addends is a tls symbol reference.
12348 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12352 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12354 * Makefile.in (BOOTSTRAPPING): New.
12355 (quickstrap): New definition if BOOTSTRAPPING=yes.
12357 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12358 * configure.ac: Substitute all_selected_languages with the languages
12359 that were configured. For all the other variables except
12360 lang_specs_files, include all the languages in the tree.
12361 * configure: Regenerate.
12363 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12364 if there is one. Run the commands to run fixincludes in the same
12367 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12368 * doc/install.texi: Document exact conventions for searching target tools.
12369 Document --with-build-time-tools. Document toplevel bootstrap. Document
12370 something more about building an Ada cross-compiler. Don't list GNU Make
12371 requirements which affect all platforms.
12373 2006-02-19 Roger Sayle <roger@eyesopen.com>
12375 PR middle-end/19543
12376 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12377 only equivalent if the have both the same mode and precision.
12379 2006-02-20 Ben Elliston <bje@au.ibm.com>
12381 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12383 2006-02-19 Roger Sayle <roger@eyesopen.com>
12384 Steven Bosscher <stevenb.gcc@gmail.com>
12386 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12387 constant pool references to identify stack mode constants.
12388 * rtlanal.c (constant_pool_constant_p): New predicate to check
12389 whether operand is a floating point constant in the pool.
12390 * rtl.h (constant_pool_constant_p): Prototype here.
12391 * loop.c (scan_loop): Avoid hoisting constants from the constant
12392 pool on STACK_REGS targets.
12393 (load_mems): Likewise.
12394 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12395 loads into x87 registers expensive in terms of register pressure.
12397 2006-02-19 Roger Sayle <roger@eyesopen.com>
12399 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12400 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12402 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12404 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12405 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12407 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12409 * doc/invoke.texi: Document -fipa-pta.
12410 * common.opt: Add ipa-pta option.
12411 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12412 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12413 (do_ds_constraint): Ditto.
12414 (get_constraint_for): Only add to referenced_vars if
12415 referenced_vars exists.
12416 (insert_into_field_list): Rewrite to do this unsorted.
12417 (insert_into_field_list_sorted): Rename old insert_into_field_list
12419 (create_function_info_for): Use insert_into_field_list_sorted.
12420 (create_variable_info_for): Rewrite so it uses unsorted version,
12421 since the field list is sorted.
12422 (intra_create_variable_infos): Only add to referenced_vars if
12423 referenced_vars exists.
12424 (ipa_pta_execute): Init heapvars, and delete when done.
12425 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12427 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12429 * doc/install.texi: Add missing `@samp'.
12431 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12433 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12436 2006-02-18 Mark Wielaard <mark@klomp.org>
12438 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12439 who added new 4.1 features, bug fixes and integration support.
12441 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12444 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12445 MEM for ABI_V4 pic.
12447 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12449 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12450 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12451 (copy_insn_1): Likewise. Don't copy each field individually.
12453 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12455 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12456 * rtl.c (rtx_size): Rename variable to...
12457 (rtx_code_size): ...this.
12458 (rtx_size): New function.
12459 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12460 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12462 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12463 * rtl.h (rtx_code_size): New variable.
12464 (rtx_size): Change from a variable to a function.
12465 (RTX_SIZE): Rename to...
12466 (RTX_CODE_SIZE): ...this.
12469 PR tree-optimization/17106
12470 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12471 (Anchored Addresses): New section.
12472 * doc/invoke.texi (-fsection-anchors): Document.
12473 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12474 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12475 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12476 * hooks.c (hook_bool_mode_rtx_false): New function.
12477 * hooks.h (hook_bool_mode_rtx_false): Declare.
12478 * gengtype.c (create_optional_field): New function.
12479 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12480 SYMBOL_REF_IN_BLOCK_P is true.
12481 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12482 (min_anchor_offset, max_anchor_offset): Likewise.
12483 (use_anchors_for_symbol_p): New hook.
12484 * toplev.c (compile_file): Call output_object_blocks.
12485 (target_supports_section_anchors_p): New function.
12486 (process_options): Check that -fsection-anchors is only used on
12487 targets that support it and when -funit-at-a-time is in effect.
12488 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12489 if the decl doesn't have one.
12490 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12491 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12492 of force_const_mem through use_anchored_address.
12493 (expand_expr_constant): New function.
12494 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12495 calling expand_expr for INDIRECT_REF.
12496 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12497 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12498 * expr.h (use_anchored_address): Declare.
12499 * loop-unroll.c: Don't declare rtx vectors here.
12500 * explow.c: Include output.h.
12501 (validize_mem): Call use_anchored_address.
12502 (use_anchored_address): New function.
12503 * common.opt (-fsection-anchors): New switch.
12504 * varasm.c (object_block_htab, anchor_labelno): New variables.
12505 (hash_section, object_block_entry_eq, object_block_entry_hash)
12506 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12507 (use_blocks_for_decl_p, change_symbol_section): New functions.
12508 (get_variable_section): New function, split out from assemble_variable.
12509 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12510 use_blocks_for_decl_p say so. Use change_symbol_section if the
12511 symbol has already been created.
12512 (assemble_variable_contents): New function, split out from...
12513 (assemble_variable): ...here. Don't output any code for
12514 block symbols; just pass them to place_block_symbol.
12515 Use get_variable_section and assemble_variable_contents.
12516 (get_constant_alignment, get_constant_section, get_constant_size): New
12517 functions, split from output_constant_def_contents.
12518 (build_constant_desc): Create a block symbol if use_object_blocks_p
12519 says so. Or into SYMBOL_REF_FLAGS.
12520 (assemble_constant_contents): New function, split from...
12521 (output_constant_def_contents): ...here. Don't output any code
12522 for block symbols; just pass them to place_section_symbol.
12523 Use get_constant_section and get_constant_alignment.
12524 (force_const_mem): Create a block symbol if use_object_blocks_p and
12525 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12526 (output_constant_pool_1): Add an explicit alignment argument.
12527 Don't switch sections here.
12528 (output_constant_pool): Adjust call to output_constant_pool_1.
12529 Switch sections here instead. Don't output anything for block symbols;
12530 just pass them to place_block_symbol.
12531 (init_varasm_once): Initialize object_block_htab.
12532 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12533 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12534 (place_block_symbol, get_section_anchor, output_object_block)
12535 (output_object_block_htab, output_object_blocks): New functions.
12536 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12537 (TARGET_ASM_OUT): Include it.
12538 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12539 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12540 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12541 (TARGET_INITIALIZER): Include them.
12542 * rtl.c (rtl_check_failed_block_symbol): New function.
12543 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12544 (block_symbol, object_block): New structures.
12545 (rtx_def): Add a block_symbol field to the union.
12546 (BLOCK_SYMBOL_CHECK): New macro.
12547 (rtl_check_failed_block_symbol): Declare.
12548 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12549 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12550 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12551 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12552 * output.h (output_section_symbols): Declare.
12553 (object_block): Name structure.
12554 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12555 (default_use_anchors_for_symbol_p): Declare.
12556 * Makefile.in (RTL_BASE_H): Add vec.h.
12557 (explow.o): Depend on output.h.
12558 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12559 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12560 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12561 (rs6000_use_blocks_for_constant_p): New function.
12563 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12565 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12567 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12570 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12573 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12575 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12579 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12581 PR middle-end/26334
12582 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12583 instead of DECL_REGISTER.
12585 2006-02-18 Olivier Hainque <hainque@adacore.com>
12588 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12590 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12593 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12594 * opth-gen.awk: Handle Var and InverseMask together.
12595 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12596 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12597 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12598 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12600 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12601 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12602 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12603 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12604 LINUX_DYNAMIC_LINKER): Define.
12605 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12606 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12608 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12609 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12610 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12611 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12612 (TARGET_C99_FUNCTIONS): Don't define.
12613 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12614 GLIBC_DYNAMIC_LINKER.
12615 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12616 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12617 GLIBC_DYNAMIC_LINKER64): Define.
12618 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12619 LINUX_DYNAMIC_LINKER64.
12620 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12621 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12622 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12623 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12624 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12625 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12626 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12627 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12628 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12629 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12630 and LINUX_DYNAMIC_LINKER32.
12631 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12632 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12633 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12634 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12635 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12637 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12638 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12639 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12640 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12641 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12642 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12643 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12644 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12645 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12646 LINUX_DYNAMIC_LINKER): Define.
12647 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12648 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12649 GLIBC_DYNAMIC_LINKER64): Define.
12650 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12651 LINUX_DYNAMIC_LINKER64.
12652 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12653 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12654 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12655 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12656 LINUX_DYNAMIC_LINKER): Define.
12657 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12658 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12659 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12660 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12661 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12662 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12663 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12664 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12665 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12666 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12667 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12668 * doc/invoke.texi (-muclibc): Remove caveat about supported
12671 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12673 * doc/cpp.texi (__TIMESTAMP__): Document.
12675 2006-02-17 Roger Sayle <roger@eyesopen.com>
12677 PR middle-end/25600
12678 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12679 C is one less than the width of X (and related transformations).
12680 * simplify-rtx.c (simplify_unary_operation_1): Transform
12681 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12682 depending on STORE_FLAG_VALUE, were C is one less then the
12685 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12687 Fix PR tree-optimization/26341
12688 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12689 about NAME_MEMORY_TAG's.
12691 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12694 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12695 with hardware float support, and software float support. Add fcpy
12696 alternative to hardware patterns. Add alternatives to copy between
12697 general and floating-point registers to the 32-bit pattern.
12698 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12699 secondary reload to load a QI or HI mode constant into a floating
12701 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12702 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12704 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12707 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12709 (load_macho_picbase_di): Likewise.
12711 2006-02-16 Jeff Law <law@redhat.com>
12713 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12714 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12715 (ssa_name_nonzero_p): Likewise.
12716 (get_value_range): Return NULL if VRP is not running.
12717 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12718 VRP routines do not discover a range.
12719 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12720 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12721 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12722 (tree_expr_nonnegative_p): Similarly.
12723 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12724 (restore_nonzero_vars_to_original_value): Remove.
12725 (unsafe_associative_fp_binop): Remove.
12726 (tree_ssa_dominator_optimize): Remove initialization and
12727 finalization of nonzero_vars and nonzero_vars_stack.
12728 (dom_opt_initialize_block): No longer push marker on
12729 nonzero_vars_stack.
12730 (dom_opt_finalize_block): No longer call
12731 restore_nonzero_vars_to_original_value.
12732 (record_equivalences_from_phis): No longer look for
12733 nonzero PHI arguments.
12734 (cprop_into_successor_phis): No longer propagate nonzero
12735 property into PHI arguments. Lose unused argument. Caller
12737 (record_equivalences_from_stmt): No longer record nonzero
12738 values for SSA_NAMEs.
12739 (lookup_avail_expr): No longer use nonzero_vars.
12741 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12742 for sizetype when sizetype is unsigned.
12744 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12746 PR rtl-optimization/25603
12747 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12748 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12749 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12750 with new meaning of SETS.
12752 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12757 * config/linux.opt: New file.
12758 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12759 LINUX_DYNAMIC_LINKER): Define.
12760 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12761 * config.gcc (*-*-linux*): Define extra_options.
12762 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12763 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12764 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12765 GLIBC_DYNAMIC_LINKER.
12766 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12767 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12768 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12769 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12770 * doc/invoke.texi (GNU/Linux Options): New section.
12772 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12774 * config/sparc/sparc.md (setjmp): Rewrite.
12775 (setjmp_32): Delete.
12776 (setjmp_64): Likewise.
12778 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12780 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12783 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12785 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12788 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12790 PR rtl-optimization/26296
12791 * Makefile.in (loop-invariant.c): Add except.h dependency.
12792 * loop-invariant.c: Include except.h.
12793 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12795 2005-02-16 Paul Brook <paul@codesourcery.com>
12797 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12800 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12802 PR rtl-optimization/25636
12803 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12804 when deciding whether an insn is an initializing insn.
12806 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12808 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12809 (tree_code_size): Ditto.
12810 * tree.h (struct tree_memory_tag): Remove parent_var.
12811 (struct tree_struct_field_tag): New.
12814 (union tree_node): Add sft member.
12815 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12817 (create_sft): Add size and offset argument, set SFT_OFFSET and
12819 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12820 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12821 * tree-flow-inline.h (get_subvar_at): Update for
12822 SFT_OFFSET/SFT_SIZE.
12823 (var_can_have_subvars): Ditto.
12824 (overlap_subvar): Ditto.
12825 * print-tree.c (print_node): Print out interesting things for
12827 * tree-flow.h (struct subvar): Remove offset and size members.
12828 * tree-ssa-operands.c (get_expr_operands): Update for
12829 get_indirect_ref_operands changes.
12830 (get_indirect_ref_operands): Call add_virtual_operand instead of
12831 add_stmt_operand. Only recurse on base var if requested.
12832 (access_can_touch_variable): New function.
12833 (add_stmt_operand): Split virtual operand handling into ...
12834 (add_virtual_operand): Here. Add offset, size, and for_clobber
12835 arguments. Prune alias sets.
12836 (add_call_clobber_ops): Call add_virtual_operand.
12838 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12840 PR middle-end/26300
12841 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12843 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12844 than TREE_CODE as index into omp_clause_num_ops array.
12846 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12848 PR rtl-optimization/26184
12849 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12851 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12852 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12853 must_precede, must_follow and tobe_scheduled.
12856 * opts.c (common_handle_option): Free new_option pointer.
12857 * df-core.c (df_analyze): Free postorder pointer.
12859 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12861 * Makefile.in: Fix the examples about the use of stamps
12863 2006-02-15 Michael Matz <matz@suse.de>
12865 PR middle-end/22275
12867 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12868 influenced by maximum_field_alignment or DECL_PACKED.
12869 (update_alignment_for_field): Ditto.
12870 (place_field): Ditto.
12871 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12874 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12876 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12877 (debug_flow_info): Pass it.
12878 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12879 * bb-reorder.c (reorder_basic_blocks): Likewise.
12880 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12881 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12882 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12883 * gcse.c (gcse_main, bypass_jumps): Likewise.
12884 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12885 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12886 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12887 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12888 * rtl.h (dump_flow_info): Adjust prototype.
12889 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12890 * var-tracking.c (variable_tracking_main): Likewise.
12891 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12892 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12895 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12897 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12900 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12902 PR tree-optimization/26209
12903 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12904 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12906 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12908 2006-02-14 Roger Sayle <roger@eyesopen.com>
12910 PR middle-end/23670
12911 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12912 (X,Y) and the corresponding symmetry related transformations.
12913 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12914 (X,Y) and its symmetry related transformations.
12916 2006-02-14 Roger Sayle <roger@eyesopen.com>
12918 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12921 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12923 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12925 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12928 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12929 support COMDAT group.
12930 * configure: Regenerate.
12932 2006-02-14 Roger Sayle <roger@eyesopen.com>
12934 PR middle-end/26279
12935 PR middle-end/26280
12936 PR middle-end/26283
12937 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12939 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12941 Fix PR tree-optimization/26260
12943 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12945 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12946 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12947 * tree-ssa-structalias.c (create_variable_info_for): Use
12948 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12950 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12952 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12954 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12955 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12956 of the ending condition.
12957 * tree-ssa-loop-manip.c: Include params.h.
12958 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12959 tree_unroll_loop): New functions.
12960 * tree-pass.h (pass_loop_prefetch): Declare.
12961 * loop.c (rest_of_handle_loop_optimize): Test for
12962 -fprefetch-loop-arrays-rtl.
12963 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12964 * timevar.def (TV_TREE_PREFETCH): New timevar.
12965 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12966 pass_loop_prefetch): New.
12967 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12968 (cleanup_tree_cfg_loop): Call scev_reset.
12969 * common.opt (fprefetch-loop-arrays-rtl): Add.
12970 * tree-ssa-loop-prefetch.c: New file.
12971 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12972 (new_temp_expr_table): Initialize expr_vars.
12973 (free_temp_expr_table): Cleanup expr_vars.
12974 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12975 expressions from being merged into one.
12976 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12977 (struct tree_niter_desc): Add control, bound and cmp fields.
12978 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12980 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12981 (tree-cfgcleanup.o): Add SCEV_H dependency.
12982 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12983 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12985 2006-02-14 Richard Guenther <rguenther@suse.de>
12987 PR tree-optimization/26258
12988 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12989 in PHI argument processing.
12991 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12993 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12994 new expression in the requested machine mode.
12996 2006-02-13 Roger Sayle <roger@eyesopen.com>
12998 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12999 directly, instead let do_compare_rtx_and_jump handle this for us.
13000 * expr.c (expand_expr_real_1): Likewise.
13001 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
13002 before do_jump_by_parts_greater.
13003 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
13004 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
13006 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13008 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
13010 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13012 PR rtl-optimization/26235
13013 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13014 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
13017 2006-02-13 Jeff Law <law@redhat.com>
13019 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13022 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13024 PR middle-end/26092
13025 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13026 twice if decl is a builtin. When trying again, call get_callee_fndecl
13027 first to verify it is still a builtin.
13029 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13031 * dwarf2out.c (base_type_die): Don't add AT_name here.
13032 (subrange_type_die): Don't add AT_name here.
13033 (modified_type_die): Rearrange code flow. Do add AT_name here.
13035 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13037 PR rtl-optimization/26247
13038 PR rtl-optimization/26248
13039 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13041 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13043 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13044 * config/fixtfdi.c: Likewise.
13045 * config/fixunstfdi.c: Likewise.
13046 * config/floatditf.c: Likewise.
13048 2006-02-13 Roger Sayle <roger@eyesopen.com>
13050 PR middle-end/24427
13051 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13052 into (X,C2) if C1 is a subset of the bits of C2. Transform
13053 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13055 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13057 2006-02-13 Josh Conner <jconner@apple.com>
13060 * varasm.c (function_section): Check for section name before
13061 calling select_section on targets that define
13062 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13063 unlikely_text_section instead of hot_function_section if
13064 first_function_block_is_cold.
13066 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13068 PR middle-end/25335
13069 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13071 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13073 PR rtl-optimization/26222
13074 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13075 after tree->rtl expansion.
13076 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13077 before passing it to emit_move_insn.
13079 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13081 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13083 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13084 Clarify documentation.
13085 * c-common.h (warn_write_strings): Remove.
13086 * c-common.c (warn_write_strings): Likewise.
13087 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13090 2006-02-12 Roger Sayle <roger@eyesopen.com>
13092 PR middle-end/25724
13093 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13094 (do_jump_parts_zero_rtx): New function renamed from
13095 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13096 (do_jump_parts_equality_rtx): New function split out from
13097 do_jump_parts_equality. Old implementation renamed as above.
13098 Call do_jump_parts_zero_rtx if either operand is zero.
13099 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13100 do all of the heavy lifting.
13101 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13102 calling either do_jump_by_parts_greater_rtx or
13103 do_jump_by_parts_equality_rtx.
13104 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13105 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13106 moved to do_compare_rtx_and_jump, call it directly.
13107 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13108 mode argument. Call do_compare_rtx_and_jump.
13109 (emit_case_nodes): Update calls to do_jump_if_equal.
13111 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13113 PR rtl-optimization/26225
13114 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13116 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13118 PR rtl-optimization/26232
13119 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13121 2006-02-11 Jason Merrill <jason@redhat.com>
13124 * tree-inline.c (declare_return_variable): Just don't use the
13125 modify target if it's a gimple complex reg and the return slot
13128 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13130 * doc/contrib.texi: Update my entry.
13132 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13134 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13136 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13138 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13141 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13143 * doc/invoke.texi (-floop-optimize2): Removed.
13144 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13145 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13146 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13147 * common.opt (floop-optimize2): Removed.
13148 (fmove-loop-invariants): Enabled by default.
13150 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13152 * tree-if-conv.c (combine_blocks): Free the result of
13153 get_loop_exit_edges.
13155 2006-02-10 Jeff Law <law@redhat.com>
13157 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13159 PR tree-optimization/26213
13160 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13161 loop trying to follow SSA_NAME_VALUE chains.
13163 2006-02-10 Richard Guenther <rguenther@suse.de>
13165 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13166 deal with structures that end in implicitly variable sized arrays.
13168 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13170 PR rtl-optimization/24762
13171 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13174 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13176 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13177 (struct ivopts_data): Add regs_used field.
13178 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13179 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13180 instead of loop_data->regs_used;
13181 (free_loop_data): Do not free aux fields for loops.
13182 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13183 and tree_ssa_iv_optimize_finalize.
13185 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13187 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13189 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13192 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13193 computing the effective result type.
13195 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13197 PR inline-asm/16194
13198 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13199 (tree_overlaps_hard_reg_set): Declare.
13200 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13201 type and signature to match function type expected by walk_tree.
13202 (tree_overlaps_hard_reg_set): New function.
13203 (decl_conflicts_with_clobbers_p): Rename to:
13204 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13205 Use tree_overlaps_hard_reg_set. Changed caller.
13206 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13207 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13208 * cris.c (cris_md_asm_clobbers): Likewise.
13210 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13212 * reload1.c (emit_input_reload_insns): Delete code that tries to
13213 inherit using find_equiv_reg.
13215 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13217 * c-common.h (flag_const_strings): Don't declare.
13218 * c-common.c (flag_const_strings): Remove.
13219 * c.opt (fconst_strings): Remove.
13220 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13221 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13222 (c_common_init_options): Don't set flag_const_strings.
13223 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13225 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13227 * arm.md (tlobits_cbranch): New pattern.
13228 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13229 testing a single bit.
13231 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13234 * tree-ssa-pre.c (create_component_ref_by_pieces):
13235 Handle RETURN_DECL like VAR_DECL.
13237 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13239 PR middle-end/26134
13240 * fold-const.c (fold_indirect_ref_1): Fold
13241 "*(foo *)&complexfoo" to "__real__ complexfoo"
13242 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13244 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13246 * tree-flow-inline.h (var_can_have_subvars):
13247 Volatile variables should not have subvariables.
13249 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13252 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13253 multiplying unsigned values.
13256 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13258 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13260 2006-02-08 Jason Merrill <jason@redhat.com>
13263 * tree.def: Elaborate on difference from MODIFY_EXPR.
13264 * doc/c-tree.texi (INIT_EXPR): Likewise.
13265 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13266 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13267 (gimplify_target_expr): Likewise.
13268 (gimplify_cond_expr): Remove target handling.
13269 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13270 (gimplify_expr): Clobber it here.
13271 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13272 Do return slot optimization if we have an INIT_EXPR.
13275 * tree-inline.c (declare_return_variable): Also clear
13276 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13279 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13281 PR middle-end/22439
13282 * gimplify.c (gimplify_one_sizepos): Fix typo.
13284 2006-02-08 Jeff Law <law@redhat.com>
13286 PR tree-optimization/21417
13287 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13288 across a backedge if the control statement at the end of the
13289 block is data dependent on other statements in the same block.
13290 (record_temporary_equivalences_from_stmts): Remove over-conservative
13291 test for threading across backedges.
13293 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13294 control statement, handle all three special cases in the same
13295 manner as they all have the same desired solution. No longer
13296 special case edge flag updating when the post dominator is
13299 2006-02-08 Roger Sayle <roger@eyesopen.com>
13301 * tree.def (CHAR_TYPE): Remove.
13302 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13303 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13304 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13305 (gen_string_type_die): Delete unreachable function.
13307 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13308 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13309 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13310 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13311 * builtins.c (type_to_class): Likewise.
13312 * fold-const.c (fold_convert, build_range_check,
13313 merge_ranges): Likewise.
13314 * expr.c (count_type_elements): Likewise.
13315 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13316 * stor-layout.c (layout_type): Likewise.
13317 * ipa-type-escape.c (type_to_consider): Likewise.
13318 * gimplify.c (omp_firstprivatize_type_sizes,
13319 gimplify_type_sizes): Likewise.
13320 * explow.c (promote_mode): Likewise.
13321 * tree-sra.c (is_sra_scalar_type): Likewise.
13322 * varasm.c (output_constant): Likewise.
13323 * tree-inline.c (remap_type_1): Likewise.
13324 * convert.c (convert_to_pointer, convert_to_real,
13325 convert_to_integer, convert_to_complex): Likewise.
13327 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13329 * df-scan.c (df_def_record_1): A set destination may
13330 be a parallel regardless of mode.
13332 2006-02-08 Roger Sayle <roger@eyesopen.com>
13335 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13336 * config/mips/_tilib.c: Remove.
13337 * config/fixtfdi.c: New libgcc source file.
13338 * config/fixunstfdi.c: New source file.
13339 * config/floatditf.c: New source file.
13340 * config/floatunditf.c: New souce file.
13341 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13342 files above instead of config/mips/_tilib.c.
13343 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13345 2006-02-08 Jeff Law <law@redhat.com>
13347 PR tree-optimization/26169
13348 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13351 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13353 * df.h (DF_REG_SIZE): Return the length of the initialized
13356 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13358 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13359 __muldf3): Return a correctly signed zero.
13361 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13363 * passes.c (register_one_dump_file): Accept the current properties
13364 instead of pass number. Adjust call to dump_register. Remove
13366 (register_dump_files): Now a wrapper around...
13367 (register_dump_files_1): ... this one. Do not modify the pass
13369 (next_pass_1): Cosmetic fix.
13370 (execute_todo): Keep second parameter only. Use curr_properties
13371 instead of fetching it from the pass structure. Check and set
13373 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13374 instead of fetching it from the pass structure. Fix calls to
13375 execute_todo. Update curr_properties and initialize .vcg RTL dump
13376 after running the pass. Reset last_verified.
13377 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13379 (FIRST_AUTO_NUMBERED_DUMP): New.
13380 (dump_register): Remove "num" parameter, assign it within the
13382 (get_dump_file_name): Modify template for dumps.
13383 * tree-dump.h (dump_register): Adjust prototype.
13384 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13385 (PROP_trees): Add PROP_gimple_lomp.
13386 (TODO_set_props): New.
13387 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13388 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13389 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13391 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13393 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13394 (sparc64-*-linux*): Likewise.
13395 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13396 * config/sparc/t-linux: New file.
13397 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13398 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13399 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13400 -m32 -mlong-double-128.
13402 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13403 * config/alpha/t-linux: New file.
13404 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13406 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13407 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13408 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13409 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13410 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13411 (CPP_ARCH32_SPEC): Remove.
13413 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13415 PR tree-optimization/26145
13416 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13419 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13422 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13423 >= 240000 when generating code for SOM runtime.
13424 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13425 to $$dyncall when generating code for SOM runtime..
13427 2006-02-07 Dirk Mueller <dmueller@suse.com>
13430 * doc/invoke.texi (-Wsequence-point): Update documentation
13431 that -Wsequence-point is implemented for C++ as well.
13433 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13435 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13436 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13437 (LIB_SPEC): Likewise.
13438 * doc/invoke.texi (SPARC options): Document -pthread.
13440 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13442 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13445 2006-02-07 Roger Sayle <roger@eyesopen.com>
13447 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13448 Correct comment describing BOOLEAN_TYPE.
13450 2006-02-07 Dirk Mueller <dmueller@suse.com>
13452 * c.opt: C++ frontend supports -Wdiv-by-zero.
13453 * c-opts.c (c_common_handle_option): Remove dead case.
13455 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13457 * configure.ac (TLS assembler check): Do not enable TLS by
13458 default on SPARC/Solaris before version 10.
13459 * configure: Regenerate.
13461 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13463 * doc/invoke.texi (xl-compat): Document conversion and support
13466 2006-02-07 Jeff Law <law@redhat.com>
13468 * tree-vrp.c (find_conditional_asserts): Update comments.
13469 (simplify_stmt_for_jump_threading): New.
13470 (identify_jump_threads, finalize_jump_threads): New.
13471 (vrp_finalize): Call identify_jump_threads.
13472 (execute_vrp): Call finalize_jump_threads.
13473 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13474 (vrp_element, vrp_data, vrp_element_p): Remove.
13475 (vrp_hash_elt, vrp_variables_stack): Remove.
13476 (vrp_hash, vrp_eq, record_range): Remove.
13477 (simplify_cond_and_lookup_avail_expr): Remove.
13478 (extract_range_from_cond): Remove.
13479 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13480 (simplify_stmt_for_jump_threading): New.
13481 (dom_thread_across_edge): New wrapper.
13482 (tree_ssa_dominator_optimize): No longer initialize or
13483 finalize any of the VRP datastructures. Remove iteration
13484 step and simplify as a result of removal of iteration step.
13485 (pass_dominator): Perform a cfg cleanup after DOM.
13486 (dom_opt_finalize_block): Use the new common routines
13487 for threading jumps. Simplify stack management slightly.
13488 No longer need to unwind VRP state.
13489 (record_equivalences_from_incoming_edge): No longer record
13491 (eliminate_redundant_computations): No longer call
13492 simplify_cond_and_lookup_avail_expr.
13493 * tree-flow.h (potentially_threadable_block): Prototype.
13494 (thread_across_edge): Likewise.
13495 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13496 (tree-ssa-threadedge.o): Add dependencies.
13497 * tree-ssa-threadedge.c: New file.
13498 * passes.c (init_optimization_passes): Merge PHIs before
13499 calling VRP. Run VRP again late in the SSA optimization pipeline.
13501 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13503 * df-core.c (df_set_blocks): Do not dereference function pointers.
13504 (df_finish1): Likewise.
13505 (df_hybrid_search_forward): Likewise.
13506 (df_hybrid_search_backward): Likewise.
13507 (df_iterative_dataflow): Likewise.
13508 (df_analyze_problem): Likewise.
13509 (df_compact_blocks): Likewise.
13510 (df_dump): Likewise.
13511 * df-scan.c (df_rescan_blocks): Likewise.
13512 (df_record_entry_block_defs): Likewise.
13514 * genconditions.c (write_conditions): Guard the definition of
13515 'insn_conditions' with the check on GCC version.
13516 (write_writer): Guard the traversal 'insn_conditions' with
13517 the check on GCC version.
13519 2006-02-07 Richard Guenther <rguenther@suse.de>
13523 2006-01-30 Richard Guenther <rguenther@suse.de>
13525 * gimplify.c (gimplify_target_expr): Handle easy cases
13526 without creating a temporary.
13528 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13530 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13531 use of float in probability computations. Use edge probabilities
13532 in place of statically computed probabilities.
13533 (min_spec_prob): New static variable.
13534 (schedule_insns): Initialize it.
13535 (GET_SRC_PROB): Removed.
13536 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13538 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13541 * config/ia64/unwind-ia64.c: Revert last change.
13542 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13543 (INCOMING_FRAME_SP_OFFSET): Define.
13545 2006-02-06 Roger Sayle <roger@eyesopen.com>
13547 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13549 2006-02-07 Ben Elliston <bje@au.ibm.com>
13551 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13552 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13553 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13554 (ix86_return_in_memory): Handle TDmode.
13555 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13556 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13558 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13560 * reorg.c (dbr_schedule): Use dump_file instead of file.
13562 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13565 * config/ia64/predicates.md (extr_len_operand): New predicate.
13566 * config/ia64/ia64.md (extv): Tighten constraints.
13568 (*tbit_and_2): Ditto.
13569 (*tbit_and_3): Ditto.
13570 (*tbit_or_2): Ditto.
13571 (*tbit_or_3): Ditto.
13572 (*bit_zero): Ditto.
13575 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13578 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13580 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13582 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13583 loop_optimizer_init and loop_optimizer_finalize
13584 * tree-ssa-sink.c (execute_sink_code): Ditto.
13585 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13586 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13587 tree_ssa_loop_done): Ditto.
13588 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13589 * sched-ebb.c: Include output.h.
13590 (schedule_ebbs): Do not use dump argument.
13591 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13592 * loop.c (loop_dump_stream): Removed.
13593 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13595 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13596 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13597 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13598 loop_iterations, strength_reduce, record_biv, record_giv,
13599 final_giv_value, check_final_value, check_ext_dependent_givs,
13600 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13601 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13602 dump_file instead of loop_dump_stream.
13603 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13604 argument dump_file.
13605 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13607 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13608 * haifa-sched.c: Include output.h
13609 (schedule_insns, sched_init): Do not use dump argument.
13610 * mode-switching.c (optimize_mode_switching): Ditto.
13611 * modulo-sched.c (stats_file): Removed.
13612 (print_node_sched_params): Do not call argument dump_file.
13613 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13614 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13616 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13618 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13619 rtl_loop_init, rtl_loop_done): Ditto.
13620 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13621 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13623 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13624 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13625 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13626 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13627 * emit-rtl.c (renumber_insns): Ditto.
13628 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13629 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13630 * regclass.c (regclass): Ditto.
13631 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13632 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13633 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13634 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13636 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13637 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13639 * gcse.c (gcse_file, debug_stderr): Removed.
13640 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13641 rest_of_handle_gcse): Do not use dump argument.
13642 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13643 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13644 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13645 compute_code_hoist_vbeinout, compute_code_hoist_data,
13646 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13647 compute_store_table, build_store_vectors, insert_insn_start_bb,
13648 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13649 store_motion): Use dump_file instead of gcse_file.
13650 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13651 * profile.c (profile_dump_file): Removed.
13652 (branch_prob): Use dump_file instead of profile_dump_file.
13653 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13655 * tree-ssa-copy.c (dump_copy_of): Ditto.
13656 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13657 dump file to life_analysis.
13658 * bt-load.c (branch_target_load_optimize): Ditto.
13659 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13661 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13662 regclass, dbr_schedule): Declaration changed.
13663 * sched-int.h (sched_init): Declaration changed.
13664 * tree-profile.c (tree_profile_dump_file): Removed.
13665 (tree_profile_hooks): Removed profile_dump_file hook.
13666 * rtl-profile (rtl_profile_dump_file): Removed.
13667 (rtl_profile_hooks): emoved profile_dump_file hook.
13668 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13670 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13671 * tree-cfg.c (build_tree_cfg): Ditto.
13672 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13673 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13674 Declaration changed.
13675 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13676 life_analysis and schedule_insns.
13677 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13679 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13681 * config/mips/mips.c (mips_reorg): Ditto.
13682 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13685 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13687 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13688 (s390_mangle_fundamental_type): New.
13689 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13692 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13693 (alpha_mangle_fundamental_type): New.
13694 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13697 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13699 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13701 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13702 (sparc_mangle_fundamental_type): New.
13704 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13706 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13707 (s390x-*-linux*): Likewise.
13708 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13709 * config/s390/t-linux: New file.
13711 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13713 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13714 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13716 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13718 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13719 (ANTIC_SAFE_LOADS): New macro.
13720 (find_or_generate_expression): Add prototype.
13721 (set_contains_value): Allow null set for sake of not always having
13722 to allocate ANTIC_SAFE_LOADS.
13723 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13724 Allow COMPONENT_REF too.
13725 (valid_in_set): Allow COMPONENT_REF.
13726 Check ANTIC_SAFE_LOADS too.
13727 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13728 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13730 (can_PRE_operation): Add COMPONENT_REF.
13731 (create_component_ref_by_pieces): New function.
13732 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13733 (insert_aux): Move AGGREGATE_TYPE_P check here.
13734 (compute_avail): Set bb local stmt uids.
13735 (pass_pre): Use TODO_update_ssa_only_virtuals.
13737 2006-02-06 Ben Elliston <bje@au.ibm.com>
13739 * configure.ac: Unconditionally disable decimal float by default.
13740 * configure: Regenerate.
13742 2006-02-06 Ben Elliston <bje@au.ibm.com>
13744 * read-rtl.c (read_name): Terminate reading on EOF.
13746 2006-02-06 Ben Elliston <bje@au.ibm.com>
13748 * dfp.c (decimal_real_arithmetic): Change second argument type
13749 from int to enum tree_code. Do not always return true, but now
13750 return result of any call to decimal_do helper functions.
13751 * dfp.h (decimal_real_arithmetic): Update prototype.
13753 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13755 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13757 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13760 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13763 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13765 * tree-vrp.c (cfg_loops): Removed.
13766 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13767 Use current_loops instead of cfg_loops. Pass flags to
13768 loop_optimizer_init.
13769 * cfgloopmanip.c (fix_loop_structure): Update only available
13771 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13772 loop_optimizer_init.
13773 * modulo-sched.c (build_loops_structure): Removed.
13774 (sms_schedule): Use loop_optimizer_init.
13775 * loop-init.c (loop_optimizer_init): Use flags to determine
13776 which properties of loops to prepare.
13777 (rtl_loop_init): Pass flags to loop_optimizer_init.
13778 * tree-ssa-sink.c (execute_sink_code): Ditto.
13779 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13780 * tree-ssa-pre.c (init_pre): Ditto.
13781 * cfgloop.h (LOOPS_NORMAL): New.
13782 (loop_optimizer_init): Declaration changed.
13784 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13786 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13787 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13789 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13791 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13793 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13794 * pa/t-pa64: Delete quadlib.c rule.
13795 * pa/x-ada: Revert last change.
13796 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13798 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13800 PR rtl-optimization/26087
13801 * rtlanal.c (canonicalize_condition): Do not cross basic block
13804 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13807 * config/ia64/ia64.c: Include debug.h.
13808 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13809 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13810 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13811 (process_epilogue, process_set, process_for_unwind_directive):
13812 Output unwind info only if requested. Add CFA info if requested.
13813 Add new arguments as needed. Adjust callers.
13814 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13816 (DWARF2_FRAME_INFO): Define to zero.
13817 * config/ia64/unwind-ia64.c: Remove code that compensated for
13818 the CFA offset error fixed above.
13819 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13820 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13821 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13822 -funwind-tables and -fexceptions to enable frame info.
13823 (dwarf2out_frame_init): Define initial CFA even if
13824 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13825 DWARF2_UNWIND_INFO is nonzero, not just defined.
13826 (dwarf2out_frame_finish): Output non-EH call frame info only
13827 if DWARF2_FRAME_INFO is nonzero.
13828 (convert_cfa_to_loc_list,
13829 compute_frame_pointer_to_cfa_displacement): Define even if
13830 unwind info is not supported.
13831 (gen_subprogram_die): Use the above unconditionally. Remove
13832 legacy alternate code.
13833 * toplev.c (compile_file): Compile in call to
13834 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13835 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13837 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13838 Jakub Jelinek <jakub@redhat.com>
13840 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13841 IBM extended float format long double as "g" on powerpc*-linux.
13843 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13846 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13847 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13849 2006-02-03 Jason Merrill <jason@redhat.com>
13852 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13854 PR middle-end/25977
13855 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13856 on the return slot if it's an NRV.
13858 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13860 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13861 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13862 rewrite_use): Do not handle USE_OUTER.
13863 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13864 add_iv_outer_candidates, may_replace_final_value,
13865 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13866 (find_interesting_uses_op): Functionality of
13867 find_interesting_uses_outer_or_nonlin moved here.
13868 (find_interesting_uses_outside): Use find_interesting_uses_op.
13870 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13873 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13875 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13876 Ulrich Weigand <uweigand@de.ibm.com>
13879 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13880 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13881 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13882 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13884 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13885 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13886 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13887 Define secondary reloads for TFmode moves.
13888 (constant_modes): Add TFmode.
13889 (NR_C_MODES): Set to 8.
13890 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13892 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13893 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13894 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13895 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13896 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13897 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13898 (FPR mode macro): Add TFmode.
13899 (DSF mode macro): New.
13900 (<de>, <dee> mode attributes): Removed.
13901 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13902 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13903 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13904 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13905 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13906 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13907 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13908 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13909 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13910 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13911 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13912 "*negabs<mode>2", "sqrt<mode>2"):
13913 Changed <de> to <xde>. R constraint replaced by <Rf>.
13914 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13916 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13917 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13918 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13920 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13921 "extenddftf2", "extendsftf2"): New expanders.
13922 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13923 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13924 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13925 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13927 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13928 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13929 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13930 __floatditf): Add a GCC_4.1.0 symbol version tag.
13931 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13934 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13937 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13938 Use targetm.binds_local_p instead of TREE_PUBLIC.
13940 2006-02-02 Roger Sayle <roger@eyesopen.com>
13942 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13943 on INTEGER_TYPEs to indicate that it denotes a character type.
13944 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13945 signed_char_type_node, unsigned_char_type_node and char_type_node.
13946 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13947 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13948 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13950 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13951 Daniel Berlin <dberlin@dberlin.org>
13953 * tree-tailcall.c (arg_needs_copy_p): New function.
13954 (eliminate_tail_call): Use arg_needs_copy_p.
13955 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13956 (add_virtual_phis): New function.
13958 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13960 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13961 #ignore instead of #scratch for %g7 .register directive.
13963 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13965 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13968 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13970 * flow.c (calculate_global_regs_live): Assert that there aren't any
13973 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13975 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13976 what its name says.
13977 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13978 bsi_after_labels iterator.
13979 * tree-if-conv.c (find_phi_replacement_condition,
13980 replace_phi_with_cond_modify_expr): Likewise.
13981 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13982 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13984 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13986 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13988 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13991 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13992 array after growing it.
13994 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13996 PR middle-end/24901
13997 * fold-const.c (fold_checksum_tree): Change type of buf.
13999 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
14001 * reload.c (push_secondary_reload): Initialize t_icode.
14003 2006-02-01 Jakub Jelinek <jakub@redhat.com>
14005 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
14006 -msoft-float -mlong-double-128 only issue a warning, but don't
14007 swich to DFmode long double.
14009 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
14011 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14012 has a constant equivalent, iterate over equivalents for arg0,
14013 calling simplify_relational_operation and if there's a result
14014 cheaper than X, apply fold_rtx and return the result.
14016 2006-02-01 Jan Hubicka <jh@suse.cz>
14018 * opts.c (no_unit_at_a_time_default): New global variable.
14019 (decode_options): Use it.
14020 * opts.h (no_unit_at_a_time_default): Declare.
14022 2006-02-01 Paul Brook <paul@codesourcery.com>
14024 * function.c (assign_parm_setup_reg): Use function argument promotion
14026 * expr.c (expand_expr_real_1): Use function argument promotion rules
14029 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14031 * gcc.c (process_command): Change j to 'unsigned int'.
14033 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14035 PR middle-end/26001
14036 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14037 Use the corrected index for the character
14038 out of the string constant.
14040 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14042 * mode-switching.c (optimize_mode_switching): Fix size
14043 allocated for bb_info[n_entities].
14045 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14047 * gcc.c (main): Correct type that is allocated for
14048 explicit_link_files.
14050 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14052 * config/s390/s390.c (init_alignment_context): Set
14053 ALIAS_SET_MEMORY_BARRIER on the MEM.
14054 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14056 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14058 PR middle-end/25933
14059 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14061 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14064 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14066 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14067 * regrename.c: Ditto.
14068 * tree-ssa-loop-im.c: Ditto.
14069 * tree-dump.c: Ditto.
14070 * tree-complex.c: Ditto.
14071 * genrecog.c: Ditto.
14072 * tree-ssa-threadupdate.c: Ditto.
14074 * java/class.c: Ditto.
14075 * java/jcf-parse.c: Ditto.
14076 * java/resource.c: Ditto.
14077 * java/except.c: Ditto.
14078 * java/jvspec.c: Ditto.
14079 * java/jcf-write.c: Ditto.
14080 * java/jcf-path.c: Ditto.
14081 * java/gjavah.c: Ditto.
14082 * java/zextract.c: Ditto.
14083 * java/jcf-io.c: Ditto.
14084 * java/jcf.h: Ditto.
14085 * java/buffer.c: Ditto.
14086 * java/lang.c: Ditto.
14087 * java/parse-scan.y: Ditto.
14088 * java/lex.c: Ditto.
14089 * java/lex.h: Ditto.
14090 * cfgloopmanip.c: Ditto.
14091 * postreload-gcse.c: Ditto.
14092 * tree-ssa-loop-manip.c: Ditto.
14093 * postreload.c: Ditto.
14094 * tree-ssa-loop-ch.c: Ditto.
14097 * cppspec.c: Ditto.
14098 * diagnostic.c: Ditto.
14100 * genoutput.c: Ditto.
14102 * cfghooks.c: Ditto.
14103 * cfgloopanal.c: Ditto.
14104 * objc/objc-act.c: Ditto.
14106 * genextract.c: Ditto.
14107 * genautomata.c: Ditto.
14108 * pretty-print.c: Ditto.
14109 * genemit.c: Ditto.
14110 * cgraphunit.c: Ditto.
14112 * df-scan.c: Ditto.
14113 * haifa-sched.c: Ditto.
14114 * dominance.c: Ditto.
14116 * tree-ssa-loop-ivopts.c: Ditto.
14117 * df-core.c: Ditto.
14118 * mode-switching.c: Ditto.
14119 * modulo-sched.c: Ditto.
14121 * ipa-pure-const.c: Ditto.
14123 * fix-header.c: Ditto.
14125 * tree-stdarg.c: Ditto.
14126 * ipa-utils.c: Ditto.
14127 * loop-init.c: Ditto.
14128 * ipa-inline.c: Ditto.
14129 * cfganal.c: Ditto.
14131 * alloc-pool.c: Ditto.
14132 * dwarf2out.c: Ditto.
14134 * genattrtab.c: Ditto.
14135 * tree-ssa-loop-ivcanon.c: Ditto.
14136 * predict.c: Ditto.
14137 * timevar.c: Ditto.
14139 * fortran/gfortranspec.c: Ditto.
14140 * regmove.c: Ditto.
14141 * local-alloc.c: Ditto.
14142 * langhooks.c: Ditto.
14143 * function.c: Ditto.
14144 * tree-vectorizer.c: Ditto.
14146 * ipa-type-escape.c: Ditto.
14148 * tree-if-conv.c: Ditto.
14149 * profile.c: Ditto.
14151 * tree-data-ref.c: Ditto.
14152 * loop-unroll.c: Ditto.
14153 * treelang/treetree.c: Ditto.
14155 * bt-load.c: Ditto.
14156 * ggc-common.c: Ditto.
14158 * coverage.c: Ditto.
14160 * tree-cfgcleanup.c: Ditto.
14161 * tree-ssa-pre.c: Ditto.
14162 * cfgcleanup.c: Ditto.
14163 * loop-invariant.c: Ditto.
14164 * loop-iv.c: Ditto.
14165 * ipa-prop.c: Ditto.
14166 * print-tree.c: Ditto.
14167 * conflict.c: Ditto.
14168 * ggc-page.c: Ditto.
14169 * sched-deps.c: Ditto.
14170 * regclass.c: Ditto.
14171 * tree-object-size.c: Ditto.
14172 * combine.c: Ditto.
14173 * bb-reorder.c: Ditto.
14174 * resource.c: Ditto.
14175 * var-tracking.c: Ditto.
14176 * cfgloop.c: Ditto.
14177 * df-problems.c: Ditto.
14178 * reg-stack.c: Ditto.
14180 * gccspec.c: Ditto.
14181 * sched-rgn.c: Ditto.
14182 * tree-ssa-structalias.c: Ditto.
14183 * tree-ssa-reassoc.c: Ditto.
14184 * config/darwin-c.c: Ditto.
14185 * config/darwin.c: Ditto.
14186 * config/arm/arm.c: Ditto.
14188 * collect2.c: Ditto.
14189 * reload1.c: Ditto.
14191 2006-01-31 Nicolas Pitre <nico@cam.org>
14193 * arm.md (smaxsi3): Make aware of smax_m1.
14196 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14198 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14200 2006-01-31 Richard Guenther <rguenther@suse.de>
14202 * doc/invoke.texi (-msselibm): Document.
14203 * target.h (expand_library_builtin): New target hook.
14204 * builtins.c (expand_builtin): Use expand_library_builtin.
14205 (default_expand_library_builtin): New function.
14206 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14207 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14208 (link_gcc_math_spec): Declare.
14209 (static_specs): Add link_gcc_math_spec.
14210 * expr.h (default_expand_library_builtin): Declare.
14211 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14212 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14213 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14214 * config/i386/i386.opt (msselibm): New target option.
14215 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14216 (ix86_init_sse_abi_builtins): New function.
14217 (ix86_expand_library_builtin): Likewise.
14218 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14219 (override_options): Handle error conditions wrt -msselibm.
14220 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14221 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14222 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14225 2006-01-31 Richard Guenther <rguenther@suse.de>
14226 Paolo Bonzini <bonzini@gnu.org>
14228 * doc/install.texi (--disable-libgcc-math): Document.
14230 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14232 * expr.h (expand_normal): new inline function.
14233 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14234 * dojump.c: use it.
14235 * dwarf2out.c: use it.
14238 * expmed.c: use it.
14239 * except.c: use it.
14240 * config/sparc/sparc.c: use it.
14241 * config/i386/i386.c: use it.
14242 * config/rs6000/rs6000.c: use it.
14243 * config/arm/arm.c: use it.
14244 * config/mips/mips.c: use it.
14245 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14247 2006-01-30 Roger Sayle <roger@eyesopen.com>
14249 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14250 argv to the appropriate type.
14252 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14254 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14257 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14260 * config/s390/s390.c (struct machine_function): New flag
14261 decomposed_literal_pool_addresses_ok_p.
14262 (s390_reorg): Set it before final stage of literal pool transforms.
14263 (s390_decompose_address): Only accept displacements of the form
14264 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14266 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14268 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14269 the comparison routine return.
14271 2006-01-30 Michael Matz <matz@suse.de>
14273 * global.c (find_reg): Only evict for global regs.
14274 Take n_refs into account and dump more info.
14276 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14279 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14280 (pragma_trap, pragma_nosave_low_regs): Likewise.
14281 (current_function_anonymous_args): Likewise.
14282 (sh_deferred_function_attributes): New variable.
14283 (sh_deferred_function_attributes_tail): Likewise.
14284 (print_operand): For '@', look up trap_exit attribute.
14285 (calc_live_regs): Look up trapa_handler attribute. For trapa
14286 handlers, save/restore fpscr, but don't do any other
14287 interrupt-specific saves.
14288 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14289 Fix check for partially saved registers to check for SHmedia.
14290 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14291 (sh_output_function_epilogue): Don't clear any of the removed
14293 (sh_insert_attributes): Don't check pragma_interrupt.
14294 Insert deferred attributes. Check that interrupt attribute is
14295 present for other attributes that require its presence.
14296 (sh_attribute_table): Add new attributes trapa_handler and
14298 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14299 Don't check for pragma_interrupt. Don't store argument.
14300 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14301 (sh_deferred_function_attributes): Declare.
14302 (sh_deferred_function_attributes_tail): Likewise.
14303 * sh.md (sp_switch_1): Add operand. Change generator caller.
14304 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14305 (*return_i): Don't use when trap_exit attribute is in effect.
14306 (*return_trapa): New insn pattern.
14307 * sh-c.c: New file.
14308 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14309 setting c_target_objs and cxx_target_objs.
14310 * t-sh: Add rule for sh-c.o.
14312 2006-01-30 Richard Guenther <rguenther@suse.de>
14315 * gimplify.c (gimplify_target_expr): Handle easy cases
14316 without creating a temporary.
14318 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14320 * vec.h (safe_grow): Remove duplicated line.
14322 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14325 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14326 (expand_omp): ... here.
14327 (expand_omp_parallel): Only remove barriers for combined
14328 parallel+workshare constructs.
14330 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14334 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14335 * tree.c (build_qualified_type): Chain the new type to the original
14336 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14337 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14338 (build_pointer_type_for_mode): Only return unqualified types.
14339 (build_reference_type_for_mode): Likewise.
14341 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14343 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14344 * Makefile.in (CXX_COMPAT_WARN): Define.
14345 * configure: Regenerate.
14347 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14350 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14353 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14355 * toplev.c: Fix thinko.
14357 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14358 Marcin Dalecki <martin@dalecki.de>
14360 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14361 (push_srcloc): Use XNEW.
14362 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14364 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14366 * df-core.c (df_set_blocks): Deleted all variable.
14368 2006-01-28 Ian Lance Taylor <ian@airs.com>
14370 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14371 cgraph_output_pending_asms.
14373 2006-01-28 Zack Weinberg <zackw@panix.com>
14375 * c.opt: Add -W(no-)overlength-strings.
14376 * doc/invoke.texi: Document it.
14377 * c-opts.c (c_common_handle_option): -pedantic implies
14378 -Woverlength-strings, if not explicitly disabled already.
14379 (c_common_post_options): -Woverlength-strings defaults to off, and
14380 is always off for C++.
14381 * c-common.c (fix_string_type): Issue warning about strings longer
14382 than is portable only if warn_overlength_strings. Rearrange code
14383 a little for clarity.
14384 * configure.in: Check for -Wno-overlength-strings as well before
14385 enabling -pedantic in stage 1.
14386 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14387 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14389 * genconditions.c (write_header, write_one_condition)
14390 (write_conditions, write_writer): Consolidate very long strings
14391 that were broken up to fit in C89 portable limit. Don't use
14392 printf when fputs will do.
14394 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14396 * combine.c (simplify_comparison <AND>): Check
14397 TRULY_NOOP_TRUNCATION before start using a subreg.
14399 * config/mips/mips.md (*branch_zero<mode>,
14400 *branch_zero<mode>_inverted, *branch_equality<mode>,
14401 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14402 Remove mode check from comparisons.
14404 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14406 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14408 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14410 * expmed.c (const_mult_add_overflow_p): Remove.
14411 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14413 * recog.c (validate_replace_rtx_subexp): Remove.
14414 * recog.h: Remove the prototype for
14415 validate_replace_rtx_subexp.
14417 * integrate.h: Remove the prototype for
14418 copy_decl_for_inlining.
14419 * rtl.h: Remove the prototype for mark_constant_function.
14420 * tree-vectorizer.h: Remove the prototype for
14421 vect_strip_conversion.
14423 * modulo-sched.c (create_partial_schedule,
14424 free_partial_schedule, reset_partial_schedule): Make them
14427 * hooks.c (hook_bool_rtx_int_false): Remove.
14428 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14430 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14432 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14433 and -mlong-double-128 are incompatible.
14434 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14435 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14436 (TARGET_LIBGCC2_CFLAGS): Define.
14437 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14438 (TARGET_LIBGCC2_CFLAGS): Same.
14439 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14441 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14444 * c-typeck.c (build_binary_op): Perform implicit casts of
14445 operands before shortening them.
14447 * cfgloopmanip.c (split_loop_bb): Remove.
14448 * cfgloop.h: Remove the prototype for split_loop_bb.
14450 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14451 * cfgloop.h: Remove the prototype for
14452 flow_loop_outside_edge_p.
14454 * emit-rtl.c (init_virtual_regs): Make it static.
14455 * function.h: Remove the prototype for init_virtual_regs.
14457 * recog.c (peephole2_optimize): Make it static.
14458 * recog.h: Remove the prototype for peephole2_optimize.
14460 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14462 * df-scan.c (df_record_entry_block_defs): Check if
14463 INCOMING_RETURN_ADDR_RTX is defined.
14465 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14466 Kenneth Zadeck <zadeck@naturalbridge.com>
14468 PR rtl-optimization/24762
14469 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14470 * targhooks.c (hook_void_bitmap): New hook prototype.
14471 * targhoohs.h (hook_void_bitmap): Ditto.
14472 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14473 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14474 * target.h (live_on_entry): New function pointer.
14475 * df-scan.c (df_all_hard_regs): Removed.
14476 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14477 (df_scan_free_internal): Added df->entry_block_defs.
14478 (df_scan_alloc): Ditto.
14479 (df_scan_dump): Ditto.
14480 (df_uses_record): Plumbed flag field properly thru calls.
14481 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14482 This part fixes PR24762.
14483 (df_bb_refs_record): Added code to make the frame and arg
14484 pointers live in EH blocks.
14485 (df_refs_record): Added call to df_record_entry_block_defs.
14486 (df_record_entry_block_defs): New function.
14487 * df-core.c: Added comments to describe new artifical defs.
14488 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14489 (entry_block_defs): New field in struct df.
14490 (df_all_hard_regs): Deleted.
14491 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14492 * df-problems.c (df_ru_bb_local_compute_process_def):
14493 Added code to handle artifical defs in the entry to a function.
14494 (df_ru_bb_local_compute): Ditto.
14495 (df_rd_bb_local_compute_process_def): Ditto.
14496 (df_rd_bb_local_compute): Ditto.
14497 (df_lr_bb_local_compute): Ditto.
14498 (df_ur_bb_local_compute): Ditto.
14499 (df_urec_bb_local_compute): Ditto.
14500 (df_chain_create_bb): Ditto.
14501 (df_ur_local_finalize): Removed entry.
14502 (df_urec_init): Ditto.
14503 (df_urec_local_finalize): Ditto.
14504 (df_ri_bb_compute): Added detection of last use of pseudos.
14505 * Makefile.in (df-scan.o): Updated dependencies.
14506 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14507 * config/mips/mips.c (mips_set_live_on_entry): Added.
14508 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14510 * dce.c (marked_insn_p): Added code to handle artifical defs.
14512 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14514 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14516 (_mm_cvtsi128_si64): Likewise.
14517 (_mm_cvtsd_si64): Likewise.
14518 (_mm_cvttsd_si64): Likewise.
14519 (_mm_cvtsi64_sd): Likewise.
14520 (_mm_cvtsi64_si128): Likewise.
14521 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14522 (_mm_cvtsi64_m64): Likewise.
14523 (_m_to_int64): Likewise.
14524 (_mm_cvtm64_si64): Likewise.
14525 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14526 (_mm_cvttss_si64): Likewise.
14527 (_mm_cvtsi64_ss): Likewise.
14528 (_mm_cvtss_f32): Likewise.
14530 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14532 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14533 for pragma redefine_extname.
14535 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14538 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14539 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14540 -mno-minimal-toc to previous content.
14541 (bispecs): Remove goal.
14542 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14543 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14544 compatibility aliases on powerpc-*-*gnu*.
14545 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14546 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14547 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14548 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14549 (ldblspecs): New goal.
14550 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14551 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14553 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14554 L_sf_to_tf or L_df_to_tf is defined.
14556 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14557 Alan Modra <amodra@bigpond.net.au>
14560 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14561 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14562 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14563 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14564 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14565 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14566 (rs6000_override_options): Initialize rs6000_ieeequad.
14567 Initialize TFmode format to ibm_extended_format if not
14569 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14571 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14572 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14573 (function_arg_advance): IBM long double passed in two FPRs, not
14575 (function_arg): IBM long double passed in FPRs.
14576 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14577 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14578 Only multireg GPR aligned.
14579 (rs6000_init_libfuncs): Enable IBM long double functions if not
14581 (rs6000_generate_compare): Use IBM long double compare if not
14583 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14584 (TARGET_IEEEQUAD): Define.
14585 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14586 not TARGET_IEEEQUAD.
14587 * config/rs6000/rs6000.md: Enable TFmode patterns if
14589 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14590 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14591 and -mlong-double-128 are incompatible.
14592 * doc/invoke.texi (-mabi): Collect options together. Add
14593 ibmlongdouble and ieeelongdouble.
14595 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14597 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14599 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14600 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14601 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14602 * rtl.h (rtunion_def): Remove rt_ptr.
14604 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14605 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14606 * config/i386/winnt.c (i386_pe_mark_dllexport)
14607 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14609 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14611 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14613 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14617 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14618 pthread_key_delete. From John David Anglin. gthrw-ify
14619 pthread_getunique_np only if it it's not a macro. Delete
14621 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14622 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14623 __gthread_objc_condition_signal, __gthread_key_delete): Add
14624 "__attribute__ ((__unused__))" to unused arguments.
14625 (__gthread_recursive_mutex_init_function): Add missing return.
14626 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14627 gthr-posix95.h: Use macro-based approach for name redirection
14628 on targets missing weakref.
14630 2006-01-26 Zack Weinberg <zackw@panix.com>
14632 * genconditions.c (write_header): In generated code, #ifdef out
14633 all includes and fake declarations, except includes of bconfig.h
14634 and system.h, unless GCC_VERSION >= 3001. Do not include
14635 gensupport.h in any case.
14636 (write_conditions): Generate a definition of struct c_test. Add
14637 a comment to the generated #endif.
14638 (write_one_condition): Escape backslashes in string too.
14639 (write_writer): Generated code must escape backslashes and quote
14640 marks (but not newlines) in the strings it writes.
14641 * Makefile.in (build/gencondmd.o): Update dependencies.
14643 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14646 * Makefile.in (insn-automata.o): Add header file dependencies.
14647 * genautomata.c: Add includes.
14649 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14652 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14654 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14656 * configure.ac: Expect target tools paths to be passed from the toplevel
14657 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14659 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14661 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14664 * c.opt (Wpointer-sign): Init to -1.
14665 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14666 OPT_pedantic, to 0 otherwise.
14667 * doc/invoke.texi: Update.
14669 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14671 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14672 constants provided by 80387 instructions in the destination mode.
14674 2006-01-26 Richard Guenther <rguenther@suse.de>
14675 Andrew Pinski <pinskia@physics.uc.edu>
14678 partial PR tree-opt/17064
14679 * tree-ssa-structalias.c (intra_create_variable_infos):
14680 Create heap variables for incoming parameters if
14681 flag_argument_noalias > 1.
14682 (find_what_p_points_to): Look through default defs of
14685 2006-01-26 Jeff Law <law@redhat.com>
14688 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14689 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14690 within the VR_RANGE, use the VR_RANGE as the result, not the
14692 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14693 bounds for the type.
14695 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14697 * tree-ssa-alias.c (maybe_create_global_var): Change
14698 subvar walking to an assertion that we don't have subvar'd variables.
14700 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14703 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14704 Use a new variable, inner. PARM_DECLs are always non-weak.
14706 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14708 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14709 --disable-checking.
14711 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14713 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14715 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14717 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14718 (smax_insn, smin_insn, smax_0, smin_0): New.
14720 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14723 * config/cris/cris.c (cris_order_for_addsi3): New function.
14724 * config/cris/cris-protos.h: Prototype it.
14725 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14726 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14727 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14728 (split for "op.S1 [rx=rx+i],ry (swapped)")
14729 (split for "op(s|u).S1 [rx=rx+i],ry")
14730 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14731 Apply cris_order_for_addsi3 when generating addsi3 insns.
14733 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14735 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14736 (TREE_BLOCK): Add call to EXPR_CHECK.
14738 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14741 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14742 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14743 (dump_omp_clauses): ... here.
14744 (dump_generic_node): Handle OMP_CLAUSE.
14745 * tree.c (omp_clause_num_ops): New.
14746 (omp_clause_code_name): New.
14747 (tree_code_size): Handle OMP_CLAUSE.
14748 (tree_size): Likewise.
14749 (make_node): Document handling of OMP_CLAUSE.
14750 (tree_node_structure): Handle OMP_CLAUSE.
14751 (omp_clause_check_failed): New.
14752 (omp_clause_range_check_failed): New.
14753 (omp_clause_operand_check_failed): New.
14754 (build_omp_clause): New.
14755 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14756 * tree.h (enum omp_clause_code): Declare.
14757 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14758 (OMP_CLAUSE_RANGE_CHECK): Define.
14759 (OMP_CLAUSE_ELT_CHECK): Define.
14760 (omp_clause_check_failed): Declare.
14761 (omp_clause_operand_check_failed): Declare.
14762 (omp_clause_range_check_failed): Declare.
14763 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14764 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14765 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14766 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14767 (OMP_CLAUSE_IF_EXPR): Likewise.
14768 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14769 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14770 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14771 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14772 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14773 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14774 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14775 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14776 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14777 (OMP_CLAUSE_CODE): Define.
14778 (OMP_CLAUSE_SET_CODE): Define.
14779 (OMP_CLAUSE_CODE): Define.
14780 (OMP_CLAUSE_OPERAND): Define.
14781 (struct tree_omp_clause): Declare.
14782 (union tree_node): Add field 'omp_clause'.
14783 * treestruct.def (TS_OMP_CLAUSE): Define.
14784 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14785 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14786 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14787 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14788 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14789 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14790 (OMP_CLAUSE): Define.
14791 * print-tree.c (print_node): Handle OMP_CLAUSE.
14792 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14793 * c-typeck.c: Likewise.
14794 * gimplify.c: Likewise.
14795 * c-omp.c: Likewise.
14796 * tree-nested.c: Likewise.
14797 * tree-inline.c: Likewise.
14798 * c-parser.c: Likewise.
14799 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14802 2006-01-25 Roger Sayle <roger@eyesopen.com>
14804 PR rtl-optimization/25703
14805 * combine.c (try_combine): Handle zero_extract and strict_low_part
14806 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14808 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14810 * global.c: Fix comment typos.
14812 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14815 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14816 Use output_addr_const instead of assemble_name.
14818 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14820 * Makefile.in (sched-vis.o): Update dependencies.
14821 * haifa-sched.c (sched_finish): Clear current_sched_info.
14822 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14823 (dump_flow_info): Call it.
14824 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14826 * basic-block.h (dump_bb_info): Declare.
14827 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14828 option, and apply options only for dump files whose TDF_RTL,
14829 TDF_TREE, or TDF_IPA bits match.
14830 * rtl.h: Declare new functions exported from sched-vis.c.
14831 * sched-vis.c: Enable also if scheduling is not used.
14832 (print_value): Print the mode of registers if not inside scheduling.
14833 (print_insn): Make it work outside the scheduler. Beautify the output
14835 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14837 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14839 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14840 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14841 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14842 depending on the value of CONSTANT_POOL_ADDRESS_P.
14843 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14845 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14846 rather than SYMBOL_REF_DECL.
14847 (rtx_constant_pool): Remove const_rtx_sym_htab.
14848 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14849 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14850 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14851 Remove handling of const_rtx_sym_htab.
14852 (find_pool_constant): Delete.
14853 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14854 rather than find_pool_constant.
14855 (get_pool_constant_for_function): Delete.
14856 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14857 find_pool_constant.
14858 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14859 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14860 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14861 (SYMBOL_REF_CONSTANT): New macro.
14862 (get_pool_constant_for_function): Delete.
14863 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14864 rather than SYMBOL_REF_DECL.
14865 (i386_pe_mark_dllimport): Likewise.
14866 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14867 rather than SYMBOL_REF_DECL.
14868 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14869 (machopic_indirect_call_target): Likewise.
14871 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14873 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14875 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14877 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14879 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14881 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14883 2006-01-24 David Daney <ddaney@avtrex.com>
14886 * configure.ac (enable_tls): New enable option.
14887 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14888 * configure: Regenerate.
14889 * doc/install.texi (--enable-tls): Document new option.
14890 (--disable-tls): Ditto.
14892 2006-01-24 Richard Henderson <rth@redehat.com>
14894 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14895 * alias.c (true_dependence): Respect it.
14896 (canon_true_dependence, write_dependence_p): Likewise.
14897 * builtins.c (get_builtin_sync_mem): Set it.
14899 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14901 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14904 2006-01-24 DJ Delorie <dj@redhat.com>
14906 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14907 for storing constants in single-bit bitfields.
14909 2006-01-25 Ben Elliston <bje@au.ibm.com>
14911 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14913 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14916 * tree-ssa-pre.c (phi_translate): Return NULL
14917 for AGGREGATE_TYPE's.
14919 2006-01-24 Zack Weinberg <zackw@panix.com>
14921 * genautomata.c (process_state_for_insn_equiv_partition):
14922 Use xcalloc for insn_arcs_array.
14923 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14924 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14926 2006-01-24 Richard Henderson <rth@redhat.com>
14928 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14929 update all callers.
14931 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14933 PR rtl-optimization/25890
14934 PR rtl-optimization/25905
14935 * combine.c (expand_compound_operation, expand_field_assignment):
14936 Fail if the bitfield's final position is out of bounds.
14938 2006-01-24 Ian Lance Taylor <ian@airs.com>
14940 PR middle-end/25930
14941 * cgraphunit.c (cgraph_output_in_order): Don't clear
14942 cgraph_asm_nodes until after asm strings have been output.
14944 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14946 * fix-header.c (read_scan_file): Add new parameter imultilib when
14947 calling register_include_chains.
14949 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14951 * omp-low.c: Update documentation.
14953 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14954 Daniel Berlin <dberlin@dberlin.org>
14958 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14959 return from the function.
14961 2006-01-22 Zack Weinberg <zackw@panix.com>
14963 * rtl.def (match_code): Add second argument.
14964 * genpreds.c (write_extract_subexp): New function.
14965 (write_match_code): Add path argument. Use write_extract_subexp.
14966 (write_predicate_expr): Pass path to write_match_code.
14967 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14968 not perform a mode test.
14969 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14970 a subexpression does not constrain the top-level code set.
14971 * read-rtl.c (read_rtx_variadic): New function.
14972 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14973 * doc/md.texi: Document new notation.
14974 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14975 (cmpsi_operand): ... here, using new notation.
14977 2006-01-22 Zack Weinberg <zackw@panix.com>
14979 * varray.c: Remove GENERATOR_FILE #ifdefs.
14981 2006-01-22 Zack Weinberg <zackw@panix.com>
14983 * genautomata.c (output_reserved_units_table): Emit nothing if
14984 description->query_units_num is zero. Remove extra blank line.
14985 (output_cpu_unit_reservation_p): Short circuit
14986 if description->query_units_num is zero.
14988 2006-01-22 Zack Weinberg <zackw@panix.com>
14990 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14991 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14992 nor any of the random handful of variables that used to be necessary
14993 when this program was linked with rtlanal.o. Prune set of forward
14994 function declarations.
14995 (struct attr_desc): Remove static_p field.
14996 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14997 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14998 (attr_string): Do not read the character one past the length of
15000 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
15001 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
15002 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
15003 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
15004 (make_automaton_attrs): New.
15005 (main): Do not call into genautomata. Call local gen_bypass
15006 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
15007 Remove special case for insn_alts.
15008 * genautomata.c: Include gensupport.h; not genattrtab.h nor
15009 varray.h (leftover from previous change). Prune set of forward
15010 function declarations. Remove state_alts fields from all
15011 structures. Remove state_alts_table from struct automaton.
15012 Make everything except main static. Do not maintain num_dfa_decls.
15013 Do not maintain state_alts fields of various structures.
15014 (process_decls): Don't validate condexp for dm_insn_reserv decls.
15015 (add_arc): Remove state_alts argument. All callers updated.
15016 (output_reserved_units_table): Emit #ifdef here...
15017 (output_tables): ...not here. Don't generate state_alts tables.
15018 (expand_automata): Don't generate attributes.
15019 (write_automata): Don't generate state_alts functions.
15020 (main): New function.
15021 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15022 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15023 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15024 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15025 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15026 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15027 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15028 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15030 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15031 * genattrtab.h: Delete file.
15032 * Makefile.in (OBJS-common): Add insn-automata.o.
15033 (insn-automata.o): New rule.
15034 (simple_generated_c): Add insn-automata.c.
15035 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15036 (genprogmd): Add automata.
15037 (build/genattrtab): Needs no extra objects nor libraries.
15038 (build/genautomata): Needs build/vec.o and -lm.
15040 2006-01-22 Zack Weinberg <zackw@panix.com>
15042 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15043 (output_dfa_max_issue_rate, locked_states_num): Delete.
15044 (struct automaton): Add locked_states field.
15045 (output_dead_lock_vect): Save number of locked states in
15046 automaton->locked_states. If it is zero, don't print anything.
15047 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15048 (output_internal_dead_lock_func): Only test the dead_lock_vect
15049 for automata that have locked states.
15050 (output_statistics): Always print the number of locked states for
15051 each automaton. Calculate total number of locked states here.
15052 (write_automata): Don't call output_dfa_max_issue_rate.
15053 * genattrtab.c: Define length_unit_log as a const variable.
15054 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15055 max_insn_queue_index const.
15056 * final.c (length_unit_log): Declare const.
15057 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15059 2006-01-22 Zack Weinberg <zackw@panix.com>
15061 * genautomata.c: Include vec.h, not varray.h.
15062 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15063 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15064 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15065 VEC_* macros operating on appropriately typed vectors, or to
15066 malloced arrays when the size is known in advance. Const-ify
15067 many char* variables and function arguments. No functional changes.
15068 * Makefile.in (build/varray.o): Delete rule.
15069 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15070 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15072 2006-01-22 Zack Weinberg <zackw@panix.com>
15074 * gensupport.c: Define get_insn_name and record_insn_name here.
15075 (read_md_rtx): Call record_insn_name as appropriate.
15076 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15077 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15078 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15080 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15081 (BUILD_VARRAY): Delete.
15082 (genprognormal): Rename genprogmd. Fold in all programs from
15083 genprognoprint; also attrtab.
15084 (build/genattrtab): Just mention genautomata.o and varray.o.
15085 Reorganize a bit, add comments to make the categories clearer.
15087 2006-01-22 Zack Weinberg <zackw@panix.com>
15089 * genconditions.c (condition_table, add_condition): Delete.
15090 (write_conditions): Don't emit n_insn_conditions nor
15091 insn_elision_unavailable. Issue the gcc version #ifdef here,
15092 inside the table, with no #else clause ...
15093 (write_header): ...not here.
15094 (write_writer): New function.
15095 (main): Don't initialize condition_table. Use add_c_test.
15097 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15098 files on the command line.
15099 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15100 Return -1 if there is no entry in the table, don't abort.
15101 (add_c_test, traverse_c_tests): New functions.
15102 * gensupport.h (insn_elision_unavailable, insn_conditions)
15103 (n_insn_conditions): Delete declarations.
15104 (add_c_test, traverse_c_tests): Declare.
15105 * read-rtl.c: Include gensupport.h.
15106 (read_conditions): New function.
15107 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15108 (read_rtx_1): If we get EOF when we were looking for an initial
15109 open paren, return 0. Call read_conditions when appropriate.
15110 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15111 dummy-conditions.o. Eliminate references to insn-conditions.o,
15112 or change them to build/gencondmd.o, as appropriate. Remove
15113 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15114 from $(simple_generated_c). For all files remaining in those
15115 two lists, add insn-conditions.md to the generator command line.
15116 Give insn-constants.h/s-constants their own rules. Add rules
15117 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15118 (build/read-rtl.o): Depend on gensupport.h.
15119 (genprognormal): Include preds.
15120 (genprogearly): Rename genprognoprint; only difference is now that
15121 they don't link with $(BUILD_PRINT).
15122 * dummy-conditions.c: Delete.
15124 2006-01-22 Zack Weinberg <zackw@panix.com>
15126 * genextract.c: Don't include insn-config.h. Do include vec.h.
15127 Declare vectors of int, char, and locstr.
15128 (locstr): New typedef.
15129 (struct extraction): Make all array fields into bare pointers.
15130 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15131 (insn_code_number): Delete.
15132 (accum_extract): New struct.
15133 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15134 (gen_insn): Take insn_code_number as an argument. Use an
15135 accum_extract structure instead of loading data directly into
15136 a struct extraction, and having to know how big it might get.
15137 (walk_rtx): Operate entirely on an accum_extract structure.
15138 (print_path): Avoid unnecessary use of printf.
15139 (print_header): New function, split out of main. Distinguish
15140 more carefully between an unrecognizable insn and an insn that
15141 has the code number of a define_expand.
15142 (main): Pass insn_code_number to gen_insn. Call print_header
15143 only after parsing. Avoid unnecessary use of printf.
15144 * Makefile.in (build/vec.o): New rule.
15145 (build/genextract): Depend on build/vec.o.
15146 (build/genextract.o): Don't depend on insn-config.h.
15148 2006-01-22 Zack Weinberg <zackw@panix.com>
15150 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15151 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15152 practical. Eliminate per-generator-program link rules.
15154 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15156 PR middle-end/24437
15157 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15158 with a call expr to ...
15159 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15161 2006-01-23 Richard Guenther <rguenther@suse.de>
15163 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15164 before make_edge with conditional EDGE_TRUE_VALUE.
15166 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15167 Jan Hubicka <jh@suse.cz>
15168 Richard Guenther <rguenther@suse.de>
15170 PR rtl-optimization/25654
15171 * cfgexpand.c (aggregate_contains_union_type): New function.
15172 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15173 for structure variables that contain a union type.
15175 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15177 * gengtype.c (new_structure): Return the structure.
15178 (create_option): Add an extra "next" argument.
15179 (create_field): New function.
15180 (adjust_field_rtx_def): Use create_option and create_field.
15181 Remove a now-unnecessary call to find_structure.
15182 (adjust_field_tree_def): Likewise.
15183 (note_yacc_type): Remove an unnecessary call to find_structure.
15184 * gengtype.h (new_structure): Return the structure.
15185 (create_option): Add an extra argument.
15186 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15187 (option): Adjust calls to create_option.
15189 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15191 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15193 2006-01-22 Paul Brook <paul@codesourcery.com>
15194 Peter Barada <peter@the-baradas.com>
15196 * config/m68k/m68k.md: Add Coldfire FPU support.
15197 Define FP mode macro and associated attributes.
15198 Use it for float mode patterns.
15199 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15200 (LIBCALL_VALUE): Use m68k_libcall_value.
15201 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15202 (m68k_function_value): Ditto.
15203 (emit_move_sequence): Ditto.
15204 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15205 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15206 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15207 (MULTILIB_EXCEPTIONS): Ditto.
15208 * config/m68k/m68k.opt: Add mcfv4e.
15209 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15210 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15211 (m68k_output_function_prologue): Save ColdFire FPU registers.
15212 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15213 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15214 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15215 ColdFire FPU registers.
15216 (m68k_libcall_value, m68k_function_value): New functions.
15217 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15218 (LIBCALL_VALUE): Use m68k_libcall_value.
15219 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15220 (MASK_COLDFIRE): Add MASK_CFV4E.
15221 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15222 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15223 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15224 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15225 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15226 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15227 * doc/invoke.tex: Document -mcfv4e on m68k.
15229 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15231 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15234 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15237 * c-opts.c (c_common_handle_option): Don't include
15238 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15239 * doc/invoke.texi (C++ Dialect Options): Document that
15240 -Wnon-virtual-dtor is no longer included in -Wall.
15242 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15244 * gcov.c (print_version), gcov-dump.c (print_version),
15245 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15248 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15250 * df-scan.c (problem_SCAN): Added NULL reset function.
15251 (df_scan_reset_blocks): Added code to call reset block function
15252 (df_bb_refs_delete) Fixed comment.
15253 (df_insn_refs_delete): Made tolerant of deleting non existent info
15254 for dataflow problems that need to be reset.
15255 * df-core.c (df_set_blocks): Ditto.
15256 * df.h (struct df_problem): Added reset_fun.
15257 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15258 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15259 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15260 functions to clear out all references to def-use or use-def chains.
15262 2006-01-21 Ben Elliston <bje@au.ibm.com>
15264 * varasm.c (assemble_real): Initialise data array.
15266 2006-01-20 Paul Brook <paul@codesourcery.com>
15268 Merge from csl-arm-branch.
15269 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15270 * config/arm/arm.md (movdi): Force operands[1] to a register
15271 if we have a non-register source.
15272 (*arm_movdi, *movdf_soft_insn): Require that one of the
15273 operands be a register.
15274 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15275 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15277 2006-01-20 DJ Delorie <dj@redhat.com>
15279 * varasm.c (initializer_constant_valid_p): Allow pointers
15280 initialized from integer constants of lesser precision.
15281 (output_constant): Allow non-int-sized pointer modes to be
15282 initialized from integer constants.
15284 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15287 * cppdefault.h (struct default_include): Add multilib flag.
15288 * cppdefault.c (cpp_include_defaults): Set it.
15289 * c.opt (-imultilib): New option.
15290 * c-opts.c (imultilib): New.
15291 (c_common_handle_option): Handle -imultilib.
15292 (c_common_post_options): Likewise.
15293 * c-incpath.c (add_standard_paths, register_include_chains):
15295 * c-incpath.h (register_include_chains): Add extra parameter.
15296 * gcc.c (do_spec_1): Generate -imultilib option.
15297 (The Specs Language): Update %I description.
15298 (process_command): Update copyright notice.
15299 * doc/cppopts.texi (-imultilib): Document.
15300 * doc/invoke.texi (-imultilib): Include in option summary.
15301 (%I): Update specs documentation.
15303 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15305 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15307 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15309 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15312 2006-01-20 Richard Guenther <rguenther@suse.de>
15313 Steven Bosscher <stevenb.gcc@gmail.com>
15315 PR rtl-optimization/24626
15316 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15317 EDGE_TRUE_VALUE if in RTL mode.
15320 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15321 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15323 2006-01-20 Dirk Mueller <dmueller@suse.com>
15326 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15327 instead of a special NOP marker.
15328 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15329 NOP marker handling.
15330 * c-common.h (empty_body_warning): Add forward declaration.
15331 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15332 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15334 2006-01-20 Paul Brook <paul@codesourcery.com>
15336 * Makefile.in (lang_checks): Keep going if mkdir fails.
15338 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15340 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15341 be able to clean out basic block when not necessary.
15342 (df_scan_free): Fixed to properly delete information if df is
15343 unused before calling df_finish.
15344 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15345 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15347 (df_bb_refs_delete): New function.
15348 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15349 * df-core.c (df_set_blocks): Added code to properly clean out
15350 unused blocks if they are not part of the blocks to consider.
15351 Added additional null check.
15352 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15353 be able to clean out basic block when not necessary
15354 * df.h (df_free_bb_function): Ditto.
15355 (df_bb_refs_delete): New function.
15356 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15357 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15358 basic block parameter to be able to clean out basic block when not
15360 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15361 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15362 Fixed to properly delete information if df is unused before
15365 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15367 PR rtl-optimization/25799
15368 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15369 Corrected confluence operator to remove bits from op2 before oring
15370 with op1 rather than removing bits from op1.
15371 (df_ru_transfer_function): Corrected test on wrong bitmap which
15372 caused infinite loop. Both of these problems were introduced in
15373 the dataflow rewrite.
15375 2006-01-19 DJ Delorie <dj@redhat.com>
15377 * reload1.c (find_reload_regs): Note the details of reload
15378 failures in the dump file.
15379 (spill_failure): Likewise.
15381 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15383 * loop-iv.c: Include df.h and hashtab.h.
15384 (enum iv_grd_result): New enum.
15385 (DF_REF_IV, DF_REF_IV_SET): New macros.
15386 (struct biv_entry): New.
15387 (df, bivs): New global variables.
15388 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15389 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15391 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15392 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15393 analyzed_for_bivness_p, record_biv): New functions.
15394 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15395 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15396 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15398 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15400 (iv_number_of_iterations): Use new interface to iv analysis.
15401 * loop-unroll.c: Do not include varray.h.
15402 (analyze_iv_to_split_insn): Use new interface to iv
15404 * loop-unswitch.c (may_unswitch_on): Ditto.
15405 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15407 (df_bb_modify): Realloc tables to the new index.
15408 (df_find_use): New function.
15409 * df.h (df_find_use): Declare.
15410 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15412 * cfgloop.h (struct rtx_iv): Remove analysed field.
15413 (iv_get_reaching_def): Removed.
15414 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15415 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15416 (loop-iv.o): Add df.h and hashtab.h dependency.
15417 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15419 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15422 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15424 (__floatundisf, __floatundidf): Likewise.
15425 * libgcc2.h (IS_IBM_EXTENDED): Define.
15427 2006-01-19 DJ Delorie <dj@redhat.com>
15429 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15431 2006-01-19 Paul Brook <paul@codesourcery.com>
15433 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15434 as nothrow when unwinding tables are disabled.
15436 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15439 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15440 of bit-field" when in system header.
15442 2006-01-19 DJ Delorie <dj@redhat.com>
15444 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15445 the 16 bit shift limit of the m16c.
15447 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15450 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15451 * config/i386/i386.c (output_set_got): Output the label if we have one
15452 for the TARGET_DEEP_BRANCH_PREDICTION case.
15454 2006-01-19 Jan Hubicka <jh@suse.cz>
15455 H.J. Lu <hongjiu.lu@intel.com>
15456 Evandro Menezes <evandro.menezes@amd.com>
15458 * invoke.texi (generic): Document
15460 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15461 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15462 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15463 (x86_use_incdec, x86_pad_returns): New variables
15464 (TARGET_CPU_DEFAULT_generic): New constant
15465 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15466 (enum processor_type): Add generic32 and generic64.
15467 * i386.md (cpu attribute): Add generic32/generic64
15468 (movhi splitter): Behave sanely when both partial_reg_dependency and
15469 partial_reg_stall are set.
15470 (K8 splitters): Enable for generic as well.
15471 * predicates.md (incdec_operand): Use TARGET_INCDEC
15472 (aligned_operand): Avoid memory mismatch stalls.
15473 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15474 * ppro.md: Enable for generic32
15475 * i386.c (generic64_cost, generic32_cost): New.
15476 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15477 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15478 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15479 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15480 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15481 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15482 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15483 x86_accumulate_outgoing_args, x86_prologue_using_move,
15484 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15485 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15486 Enable for generic.
15487 (x86_use_incdec, x86_pad_returns): New.
15488 (override_options): Add generic32 and generic64, translate "generic"
15489 to generic32/generic64 and "i686" to "generic32", refuse
15490 "generic32"/"generic64" as arch target.
15491 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15492 (ix86_reorg): Honor PAD_RETURNS.
15494 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15496 * tree-pretty-print.c (dump_generic_node): Handle
15497 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15498 * cgraph.c (cgraph_expand_queue): Rename from
15499 cgraph_analyze_queue. Update all users.
15500 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15501 cgraph_expand_queue.
15502 (cgraph_expand_all_functions): Likewise.
15503 (cgraph_finalize_pending_functions): Remove. Update callers.
15505 * tree.h (OMP_DIRECTIVE_P): Define.
15506 (OMP_PARALLEL_FN): Define.
15507 (OMP_PARALLEL_DATA_ARG): Define.
15508 (OMP_SECTIONS_SECTIONS): Define.
15509 * tree-pass.h (pass_expand_omp): Declare.
15510 * omp-low.c (struct omp_region): Declare.
15511 (struct omp_context): Remove fields 'parallel_type',
15512 'parallel_start_ix' and 'parallel_start_additional_args'.
15514 (struct omp_for_data): Rename from struct expand_omp_for_data.
15515 (omp_regions): New static variable.
15516 (root_omp_region): New static variable.
15517 (find_omp_clause): Make static.
15518 (is_in_combined_parallel_ctx): Remove.
15519 (is_combined_parallel): New.
15520 (extract_omp_for_data): Move earlier in the file.
15521 (workshare_safe_to_combine_p): New.
15522 (get_ws_args_for): New.
15523 (determine_parallel_type): Move earlier in the file.
15524 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15526 (omp_copy_decl): Likewise.
15527 (create_omp_child_function): Likewise.
15528 (lookup_omp_region): New.
15529 (dump_omp_region): New.
15530 (debug_omp_region): New.
15531 (debug_all_omp_regions): New.
15532 (new_omp_region): New.
15533 (scan_omp_parallel): If parallel_nesting_level > 1, the
15534 directive is nested within another parallel directive.
15535 Set OMP_PARALLEL_FN.
15536 (scan_omp_for): Do not try to handle combined parallel+for
15538 Remove FIXME comment.
15539 (scan_omp_nested): Remove.
15540 (scan_omp_1): Do not call scan_omp_nested when
15541 parallel_nesting_level is > 1.
15542 Do not change the DECL_CONTEXT of local variables found.
15543 (lookup_decl_in_outer_ctx): New.
15544 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15545 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15546 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15547 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15548 If CTX is nested, lookup VAR in the outer context when
15549 building copy assignment.
15550 (lower_send_clauses): Rename from expand_send_clauses.
15551 If CTX is nested, lookup VAR in the outer context when
15552 building copy assignments.
15553 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15554 If CTX is nested, lookup VAR in the outer context when
15555 building copy assignments.
15556 (expand_parallel_call): Rename from build_parallel_call.
15557 Handle combined parallel+workshare cases.
15558 Re-implement to emit code into the CFG.
15560 (expand_omp_parallel): Re-implement to emit code into the CFG.
15561 Call move_sese_region_to_fn to outline the sub-graph
15562 containing the parallel region.
15563 (expand_omp_for_1): Remove.
15564 (expand_omp_for_generic): Re-implement to emit code into the
15566 (expand_omp_for_static_nochunk): Likewise.
15567 (expand_omp_for_static_chunk): Likewise.
15568 (expand_omp_for): Likewise.
15569 (expand_omp_sections): Likewise.
15570 (remove_exit_barriers): New.
15571 (expand_omp_synch): New.
15573 (build_omp_regions_1): New.
15574 (build_omp_regions): New.
15575 (execute_expand_omp): New.
15576 (gate_expand_omp): New.
15577 (pass_expand_omp): Define.
15578 (lower_omp_sections): Rename from expand_omp_sections.
15579 Set OMP_SECTIONS_SECTIONS.
15580 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15581 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15582 (lower_omp_single): Rename from expand_omp_simple.
15583 (lower_omp_master): Rename from expand_omp_master.
15584 (lower_omp_ordered): Rename from expand_omp_ordered.
15585 (lower_omp_critical): Rename from expand_omp_critical.
15586 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15587 (lower_omp_for): Re-implement.
15588 (lower_omp_parallel): Re-implement.
15589 (lower_regimplify): Rename from expand_regimplify.
15590 (lower_omp_1): Rename from expand_omp_1.
15591 If there are syntax errors in the program, replace every
15592 OpenMP directive with NOP.
15593 Call lower_omp_* instead of expand_omp_*.
15594 (lower_omp): Rename from expand_omp.
15596 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15597 * tree-gimple.h (enum omp_parallel_type): Remove.
15598 (gimple_boolify): Declare extern.
15599 (find_omp_clause, determine_parallel_type): Remove.
15601 * gimple-low.c (lower_omp_directive): New.
15602 (lower_stmt): Call it.
15603 (record_vars_into): Move from ...
15604 (record_vars): ... here.
15605 Call record_vars_into with current_function_decl.
15607 * gimplify.c (struct gimplify_ctx): Remove fields
15608 combined_pre_p and combined_ctxp. Update users.
15609 (get_formal_tmp_var): Add documentation.
15610 (gimple_boolify): Make extern.
15611 (gimplify_expr_in_ctx): Remove. Update callers.
15612 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15613 will always be a BIND_EXPR.
15614 (gimplify_expr): Handle OMP_RETURN_EXPR.
15615 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15616 (OMP_PARALLEL): Add 3 operands.
15617 (OMP_SECTIONS): Add 1 operand.
15618 (OMP_RETURN_EXPR): Define.
15620 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15621 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15622 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15623 creating a circular free list.
15624 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15626 * tree-flow.h (move_sese_region_to_fn): Declare.
15627 (record_vars_into): Declare.
15628 * tree-cfg.c (make_omp_sections_edges): New.
15629 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15630 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15631 OMP_SECTIONS and OMP_SECTION.
15632 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15633 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15634 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15635 (gather_blocks_in_sese_region): New.
15636 (struct move_stmt_d): Declare.
15637 (move_stmt_r): New.
15638 (move_block_to_fn): New.
15639 (move_sese_region_to_fn): New.
15641 * passes.c (init_optimization_passes): Schedule
15642 pass_expand_omp after pass_init_datastructures.
15644 * tree-ssa-operands.c (get_expr_operands): Handle
15645 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15646 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15648 2006-01-19 Jeff Law <law@redhat.com>
15650 * tree-vrp.c (extract_range_from_assert): Refine the result range
15651 if the variable referenced by the ASSERT_EXPR has a range and
15652 either the tentative result range or the previous range is a
15655 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15657 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15659 2006-01-19 Jan Hubicka <jh@suse.cz>
15661 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15663 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15665 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15666 (expand_compound_operation, expand_field_assignment): Fail if the
15667 bit lengths of an extract operation are out of range.
15668 (make_extraction): Compute wanted_inner_mode based on the position
15669 and length of the extraction. Make it extraction_mode for non-constant
15670 positions, and do not modify offset in that case. When generating a
15671 new MEM, use a mode that can hold the extraction while keeping correct
15672 alignment. Remove code that supported MEMs wrapped by USEs.
15673 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15675 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15677 * config/s390/s390.md ("Y", "y"): New mode attribute.
15678 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15679 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15680 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15681 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15682 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15683 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15684 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15685 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15686 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15687 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15688 "addsi3", "subsi3"): Insn patterns removed.
15689 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15690 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15691 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15692 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15693 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15694 "*sub<mode>3_cconly2"): New insn patterns.
15695 ("addsi3", "subsi3"): New expanders.
15697 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15699 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15700 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15701 existing STMT_VINFO_VECTYPE if available.
15702 (vect_mark_relevant): Add special handling for stmts that are
15703 marked as STMT_VINFO_IN_PATTERN_P.
15704 (vect_analyze_loop): Call vect_pattern_recog.
15705 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15706 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15708 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15709 (vect_recog_func_ptr): New function-pointer type.
15710 * tree-vect-patterns.c: New file.
15711 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15712 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15713 (vect_pattern_recog_1): New functions.
15714 (vect_pattern_recog_funcs): New array of function pointers.
15716 * tree-vectorizer.h (ternary_op): New enum value.
15717 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15718 declaration. Revised documentation. Removed redundant dump prints.
15719 Removed redundant argument. Added support for reduction patterns.
15720 (vectorizable_reduction): Added support for reduction patterns.
15721 (vect_transform_stmt): Added support for patterns.
15723 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15724 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15725 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15726 (expand_widen_pattern_expr): New function.
15727 (init_optabs): Initialize new optabs udot_prod_optab,
15729 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15730 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15731 (expand_widen_pattern_expr): New function declaration.
15732 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15734 * tree-inline.c (estimate_num_insns_1): Added cases for new
15735 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15736 * tree-pretty-print.c (dump_generic_node): Likewise.
15737 (op_prio): Likewise.
15738 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15739 * tree-ssa-operands.c (get_expr_operands): Added case for
15741 * tree-vect-patterns.c (widened_name_p): New function.
15742 (vect_recog_dot_prod_pattern): Added function implementation.
15743 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15744 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15745 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15746 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15748 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15749 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15750 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15751 (init_optabs): Initialize new optabs widen_ssum_optab,
15753 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15754 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15755 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15756 use instead of type of def.
15757 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15758 function implementation.
15759 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15760 widen_ssumv8hi): New.
15762 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15765 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15768 * c-decl.c (add_flexible_array_elts_to_size): New function.
15769 (finish_decl): Use it.
15771 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15773 * diagnostic.h: Include options.h.
15774 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15775 dependancies for diagnostic.h.
15776 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15778 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15780 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15781 (ssa_ro_call_cache_valid): Ditto.
15782 * tree-ssa-alias.c (sort_tags_by_id): New function.
15783 (init_transitive_clobber_worklist): Ditto.
15784 (add_to_worklist): Ditto.
15785 (mark_aliases_call_clobbered): Ditto.
15786 (compute_tag_properties): Ditto.
15787 (set_initial_properties): Ditto.
15788 (compute_call_clobbered): Ditto.
15789 (compute_may_aliases): Call compute_call_clobbered and grouping.
15790 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15791 (compute_flow_insensitive_aliasing): Grouping now happens in our
15793 (setup_pointers_and_addressables): Remove clobbering related code.
15794 (add_may_alias): Ditto.
15795 (replace_may_alias): Ditto.
15796 (get_nmt_for): Ditto.
15797 (create_global_var):
15798 (is_escape_site): Return an escape_type enumeration.
15799 * tree-flow-inline.h (is_call_clobbered): Global var does not
15800 imply call clobbered.
15801 (mark_call_clobbered): Take a reason for marking this. Remove
15802 marking of globalness, and cache invalidation.
15803 (clear_call_clobbered): Remove cache invalidation code.
15804 * tree-dfa.c (dump_variable): If details is on, dump the reason
15806 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15808 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15809 (struct var_ann_d): Ditto.
15810 (enum escape_type): New.
15811 (mark_call_clobbered): Adjust prototype.
15812 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15813 are never call clobbered.
15814 Record reasons for escaping.
15815 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15816 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15817 (ssa_ro_call_cache_valid): Ditto.
15818 (clobbered_v_may_defs): Ditto.
15819 (clobbered_vuses): Ditto.
15820 (ro_call_vuses): Ditto.
15821 (clobber_stats): New.
15822 (init_ssa_operands): Zero out clobber stats.
15823 (fini_ssa_operands): Print out clobber stats.
15824 (get_call_expr_operands): Pass callee fndecl to
15825 add_call_read_ops).
15826 (add_call_clobber_ops): Remove use of cache.
15827 Add use of PURE_CONST information.
15828 (add_call_read_ops): Remove use of cache.
15829 Add use of static not_read information.
15831 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15833 Introduce TLS descriptors for i386 and x86_64.
15834 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15835 (TARGET_ANY_GNU_TLS): New macro.
15836 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15837 (struct machine_function): Add tls_descriptor_call_expanded_p.
15838 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15839 (ix86_current_function_calls_tls_descriptor): Likewise.
15840 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15841 (override_options): Introduce gnu2 tls dialect.
15842 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15844 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15846 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15847 (ix86_init_machine_status): Initialize new field.
15848 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15849 (ix86_tls_module_base): New.
15850 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15851 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15852 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15853 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15854 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15855 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15856 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15857 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15858 * config/i386/predicates.md (tls_modbase_operand): New.
15859 (tp_or_register_operand): New.
15861 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15863 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15864 (look_for_address_of): Ditto.
15865 (ipa_init): Walk the function decls.
15866 (static_execute): Don't set readonly on FUNCTION_DECL's.
15868 2006-01-18 Roger Sayle <roger@eyesopen.com>
15870 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15871 for shifts where the source and destination registers are different.
15873 2006-01-18 Paul Brook <paul@codesourcery.com>
15875 Merge from csl-arm-branch.
15876 2005-03-14 Julian Brown <julian@codesourcery.com>
15877 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15878 (aeabi_llsl): Likewise.
15879 (ashrdi3): Likewise.
15880 (aeabi_lasr): Likewise.
15881 (lshrdi3): Likewise.
15882 (aeabi_llsr): Likewise.
15883 2005-03-10 Julian Brown <julian@codesourcery.com>
15884 * config.gcc: Disable shared libgcc for SymbianOS.
15885 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15887 2006-01-18 DJ Delorie <dj@redhat.com>
15889 * c-pragma.c (handle_pragma_diagnostic): New.
15890 (init_pragma): Register it.
15891 * doc/extend.texi: Document it.
15893 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15894 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15895 (diagnostic_context): Add classify_diagnostic[].
15896 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15897 as errors if they're overridden to DK_WARNING.
15898 (diagnostic_initialize): Initialize classify_diagnostic[].
15899 (diagnostic_set_kind_override): New.
15900 (diagnostic_report_diagnostic): Check for kind changes.
15901 * opts.c (common_handle_option): Take lang_mask. Update callers.
15902 Handle OPT_Werror_.
15903 * common.opt (Werror=): New.
15904 * doc/invoke.texi: Document -Werror=*
15906 2006-01-18 Jeff Law <law@redhat.com>
15908 * tree-vrp.c (test_for_singularity): Correct test for new
15909 min limit. Use operand_equal_p rather than pointer equality
15910 for testing if new min/max values are equal.
15912 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15913 using range information until after propagation and folding.
15915 2006-01-18 Richard Henderson <rth@redhat.com>
15916 Aldy Hernandez <aldyh@redhat.com>
15917 Jakub Jelinek <jakub@redhat.com>
15918 Diego Novillo <dnovillo@redhat.com>
15920 * omp-low.c: New file.
15921 * c-omp.c: New file.
15923 2006-01-18 Richard Henderson <rth@redhat.com>
15924 Jakub Jelinek <jakub@redhat.com>
15925 Diego Novillo <dnovillo@redhat.com>
15927 * doc/invoke.texi: Document -fopenmp.
15928 * tree-dump.h (debug_function): Declare.
15929 * hooks.c (hook_bool_tree_bool_false): New function.
15930 (hook_tree_tree_null): Remove.
15931 (hook_tree_tree_tree_null): New.
15932 * hooks.h: Update to match.
15933 * tree-pretty-print.c (debug_tree_chain): New.
15934 (print_generic_expr): Handle TDF_CHAIN.
15935 (dump_generic_node): Handle BLOCK.
15936 Do not abort with incomplete SWITCH_EXPRs.
15937 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15938 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15939 print space after directive name.
15940 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15941 Handle OMP_MASTER and OMP_ORDERED.
15942 Handle printing of OMP_BODY just in one place, goto
15943 dump_omp_body in the rest of OMP_* nodes that have
15945 Don't handle clause nodes here. Update omp statements to
15946 use dump_omp_clauses.
15947 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15948 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15949 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15950 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15951 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15952 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15953 Adjust output for GOMP_PARALLEL.
15954 (dump_omp_clauses): New.
15955 (print_declaration): Dump DECL_VALUE_EXPR.
15956 (op_symbol_1): Split out of op_symbol.
15957 (dumping_stmts): Remove. Update all users.
15958 * cgraph.c (cgraph_analyze_queue): New.
15959 (cgraph_add_new_function): New.
15960 * cgraph.h (cgraph_analyze_queue): Declare.
15961 (cgraph_add_new_function): Declare.
15962 (cgraph_lower_function): Remove.
15963 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15964 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15965 and TYPE_P nodes in its default clause.
15966 (empty_body_p): New.
15967 (tree_range_check_failed): New.
15968 (build5_stat): New.
15969 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15970 OMP_CLAUSE_REDUCTION_MERGE,
15971 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15972 OMP_CLAUSE_PRIVATE_DEBUG,
15973 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15974 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15975 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15976 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15977 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15978 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15979 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15980 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15981 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15982 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15983 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15984 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15985 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15986 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15987 (TREE_RANGE_CHECK): New.
15988 (empty_body_p): Declare.
15989 (enum omp_clause_default_kind): New.
15990 (build_string_literal): Declare.
15991 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15992 (build5_stat, build5): Declare.
15993 * tree-pass.h (TDF_CHAIN): Define.
15994 * tree-pass.h (PROP_gimple_lomp): Define.
15995 (pass_lower_omp): Declare.
15996 * diagnostic.h (debug_tree_chain): Declare.
15997 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15999 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
16000 * builtins.c (build_string_literal): Make extern.
16001 * gcc.c (include_spec_function): New.
16002 (static_spec_functions): Add it.
16003 (main): Move load of libgomp.spec ...
16004 (LINK_COMMAND_SPEC): ... here.
16005 (link_gomp_spec): New.
16006 (static_specs): Include it.
16007 (LINK_COMMAND_SPEC): Add link_gomp.
16008 (GOMP_SELF_SPECS): New.
16009 (driver_self_specs): Include it.
16010 (switch_matches): Don't mark inline.
16011 (main): Load libgomp.spec.
16012 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
16013 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16014 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16015 * tree-gimple.h (enum omp_parallel): Declare.
16016 (determine_parallel_type): Declare.
16017 (omp_firstprivatize_variable): Declare.
16018 (omp_reduction_init): Declare.
16019 (diagnose_omp_structured_block_errors): Declare.
16020 (struct walk_stmt_info): Add want_return_expr.
16021 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16022 (find_omp_clause): Declare.
16023 (insert_field_into_struct): Declare.
16024 (struct walk_stmt_info): Move from tree-nested.c
16025 (walk_stmts): Declare.
16026 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16028 * cgraphunit.c (cgraph_lower_function): Make static.
16029 (cgraph_finalize_pending_functions): New.
16030 (cgraph_finalize_function): Call it.
16031 (cgraph_finalize_compilation_unit): Likewise.
16032 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16033 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16034 (BT_FN_UINT_UINT): New.
16035 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16036 DEF_FUNCTION_TYPE_VAR_4): Document.
16037 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16038 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16039 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16040 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16041 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16042 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16043 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16044 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16045 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16046 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16047 into separate files.
16048 (DEF_GOMP_BUILTIN): New.
16049 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16050 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16051 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16052 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16053 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16054 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16055 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16056 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16057 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16058 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16059 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16060 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16061 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16062 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16063 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16064 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16065 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16066 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16067 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16068 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16069 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16070 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16071 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16072 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16073 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16074 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16075 * sync-builtins.def: New file, moved from builtins.def.
16076 * omp-builtins.def: New file, moved from builtins.def.
16077 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16078 * gimple-low.c (lower_function_body): Clear data.
16079 (lower_stmt): Do not handle COMPOUND_EXPR.
16080 Remove call to print_node_brief.
16081 * c-tree.h (c_finish_omp_clauses): New prototype.
16082 (C_DECL_THREADPRIVATE_P): Define.
16083 (lookup_name_no_remap, c_omp_remap_private): Remove
16084 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16085 (check_for_loop_decls): Update decl.
16086 (lookup_name_no_remap, c_omp_remap_private): Declare.
16087 (build_indirect_ref, build_modify_expr, pushdecl,
16088 pushdecl_top_level): Move to c-common.h.
16089 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16090 before the switch, but just in the 2 places that need it.
16091 * c-decl.c (diagnose_mismatched_decls): Do not check for
16092 mismatched thread-local attributes when OLDDECL is marked
16093 threadprivate and NEWDECL has no thread-local attributes.
16094 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16095 (c_gimple_diagnostics_recursively): Rename from
16096 c_warn_unused_result_recursively. Invoke
16097 diagnose_omp_structured_block_errors.
16098 (check_for_loop_decls): Return a singular decl found.
16099 * langhooks.c (lhd_omp_predetermined_sharing): Return
16100 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16101 (lhd_omp_firstprivatize_type_sizes): New.
16102 (lhd_omp_assignment): New.
16103 (lhd_omp_predetermined_sharing): New.
16104 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16105 (struct lang_hooks_for_types): Add
16106 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16107 omp_predetermined_sharing, omp_disregard_value_expr,
16108 omp_private_debug_clause, omp_clause_default_ctor,
16109 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16110 (c_finish_omp_clauses): New.
16111 (c_finish_bc_stmt): Diagnose break within omp for.
16112 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16113 (build_unary_op): Return error_mark after reporting
16115 (build_modify_expr): Likewise.
16116 * gimplify.c: Include optabs.h and pointer-set.h.
16117 (enum gimplify_omp_var_data): Declare.
16118 (struct gimplify_omp_ctx): Declare.
16119 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16121 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16122 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16123 (splay_tree_compare_decl_uid): New.
16124 (new_omp_context): New.
16125 (delete_omp_context): New.
16126 (gimple_add_tmp_var): Call omp_add_variable.
16127 (gimplify_bind_expr): Likewise.
16128 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16129 true, disregard DECL_VALUE_EXPR on the decl if any.
16130 (gimplify_expr_in_ctx): New.
16131 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16132 omp_add_variable, omp_notice_variable, omp_is_private
16133 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16134 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16135 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16136 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16137 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16138 gimplify_omp_atomic): New.
16139 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16140 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16141 OMP_CRITICAL and OMP_ATOMIC.
16142 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16143 * c-pragma.h (enum pragma_kind): Add
16144 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16145 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16146 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16147 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16148 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16149 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16150 PRAGMA_OMP_THREADPRIVATE.
16151 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16152 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16153 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16154 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16155 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16156 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16157 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16158 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16159 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16160 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16161 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16162 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16163 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16165 (struct nesting_info): Add field_map,
16166 suppress_expansion, debug_var_chain.
16167 (create_nesting_tree): Initialize them.
16168 (lookup_field_for_decl): Use field_map.
16169 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16170 (convert_local_omp_clauses): New.
16171 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16172 (walk_body): Split out of walk_function.
16173 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16174 (convert_nonlocal_reference): Handle omp statements.
16175 (convert_local_reference): Likewise.
16176 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16177 (unnest_nesting_tree): New.
16178 (lower_nested_functions): Call it.
16179 (insert_field_into_struct): Make extern.
16180 (struct walk_stmt_info): Move to tree-gimple.h.
16181 (walk_stmts): Make extern.
16182 * omp-builtins.def: New file.
16183 * tree-iterator.c (expr_only): Clarify comment.
16184 * c-common.h (pushdecl_top_level, pushdecl,
16185 build_modify_expr, build_indirect_ref,
16186 c_finish_omp_master, c_finish_omp_critical,
16187 c_finish_omp_ordered, c_finish_omp_barrier,
16188 c_finish_omp_atomic, c_finish_omp_flush,
16189 c_finish_omp_for, c_split_parallel_clauses,
16190 omp_clause_default_kind, c_omp_sharing_predetermined,
16191 c_omp_remap_decl): Declare.
16192 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16193 (OBJS-common): Add omp-low.o.
16194 (c-omp.o, omp-low.o): Add.
16195 (gimplify.o): Add dependency on $(OPTABS_H).
16196 (GTFILES): Add omp-low.c.
16197 (gt-stringpool.h): Add.
16198 * tree-cfg.c (set_bb_for_stmt): Do not update the
16199 block-to-labels map if we are currently expanding to RTL.
16200 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16202 Handle IDENTIFIER_NODE.
16203 (tree_verify_flow_info): Do not ICE when emitting error
16204 messages about invalid labels.
16205 (dump_function_to_file): Reset CFUN before emitting the body
16207 (debug_function): New.
16208 * passes.c (init_optimization_passes): Schedule
16210 * langhooks-def.h (lhd_omp_predetermined_sharing,
16211 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16213 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16214 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16215 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16216 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16217 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16218 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16219 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16220 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16221 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16222 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16223 (LANG_HOOK_DECLS): Use them.
16225 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16226 Richard Henderson <rth@redhat.com>
16227 Jakub Jelinek <jakub@redhat.com>
16228 Diego Novillo <dnovillo@redhat.com>
16230 * c-parser.c (pragma_omp_clause): Define.
16231 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16232 (c_parser_compound_statement): Likewise.
16233 (c_parser_statement): Likewise.
16234 (c_parser_pragma): Handle omp pragmas.
16235 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16236 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16237 (c_parser_omp_clause_name, check_no_duplicate_clause,
16238 c_parser_omp_variable_list,
16239 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16240 c_parser_omp_clause_copyprivate,
16241 c_parser_omp_clause_default,
16242 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16243 c_parser_omp_clause_lastprivate,
16244 c_parser_omp_clause_nowait,
16245 c_parser_omp_clause_num_threads,
16246 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16247 c_parser_omp_clause_reduction,
16248 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16249 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16250 c_parser_omp_atomic, c_parser_omp_barrier,
16251 c_parser_omp_critical, c_parser_omp_flush,
16252 c_parser_omp_for_loop, c_parser_omp_for,
16253 c_parser_omp_master, c_parser_omp_ordered,
16254 c_parser_omp_sections_scope, c_parser_omp_sections,
16255 c_parser_omp_parallel, c_parser_omp_single,
16256 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16257 * c-pragma.c (init_pragma): Do omp pragma registration here.
16258 * c.opt (fopenmp): New flag.
16260 2006-01-18 Eric Christopher <echristo@apple.com>
16262 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16263 * config/darwin.h (GOMP_SELF_SPECS): Define.
16265 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16267 * rtl.h: Remove the prototype for reg_alloc.
16269 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16272 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16273 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16274 sjlj and dwarf2 exception handling.
16275 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16276 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16277 * pa/pa.c (function_value): Treat complex and vector types as
16279 (function_arg): Likewise. Only pass scalar floats in the floating
16280 point argument registers.
16281 * pa/t-slibgcc-dwarf-ver: New file.
16282 * pa/t-slibgcc-sjlj-ver: New file.
16283 * pa/t-slibgcc-elf-ver: Delete file.
16285 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16287 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16288 unlikely_test_section_p test.
16290 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16292 * mode-switching.c (optimize_mode_switching): Make it static.
16293 * basic-block.h: Remove the prototype for
16294 optimize_mode_switching.
16296 * modulo-sched.c (sms_schedule): Make it static.
16297 * rtl.h: Remove the prototype for sms_schedule.
16299 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16300 * rtl.h: Remove the prototype for gcse_after_reload_main.
16302 * reg-stack.c (reg_to_stack): Make it static.
16303 * rtl.h: Remove the prototype for reg_to_stack.
16305 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16307 * rtl.h: Remove the prototypes for regrename_optimize and
16308 copyprop_hardreg_forward.
16310 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16312 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16313 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16314 Test against the appropriate null constant for the mode.
16315 If 'fixup_overlap' is true, swap the operands if they overlap.
16316 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16317 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16318 alpha_split_tmode_pair and adjust for above change.
16319 * config/alpha/alpha.md (movtf_internal): Adjust call to
16320 alpha_split_tfmode_pair and rely on it to swap the operands.
16321 (movti_internal): New insn and post-reload splitter.
16322 (movti): New expander.
16324 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16326 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16329 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16331 * rtlanal.c (global_reg_mentioned_p_1,
16332 global_reg_mentioned_p): Remove.
16333 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16335 * flow.c (initialize_uninitialized_subregs): Make it static.
16336 * rtl.h: Remove the prototype for
16337 initialize_uninitialized_subregs.
16339 * function.c (instantiate_virtual_regs): Make it static.
16340 * function.h: Remove the prototype for
16341 instantiate_virtual_regs.
16343 * regmove.c (regmove_optimize, combine_stack_adjustments):
16345 * rtl.h: Remove the prototypes for regmove_optimize and
16346 combine_stack_adjustments.
16348 2006-01-17 Roger Sayle <roger@eyesopen.com>
16350 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16351 (size_cost): Encode costs in bytes so that a reg-reg addition is
16352 equivalent to COSTS_N_INSNS(1).
16353 (override_options): Use the size_cost.branch_cost as the default
16354 ix86_branch_cost when optimizing for size.
16356 2006-01-18 Ben Elliston <bje@au.ibm.com>
16358 * Makefile.in (D32PBIT_FUNCS): New.
16359 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16360 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16361 D64PBIT_FUNCS and D128PBIT_FUNCS.
16362 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16363 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16365 (decnumber_dep): Define.
16366 * doc/libgcc.texi (Decimal float library routines): New node.
16367 * config/dfp-bit.h, config/dfp-bit.c: New files.
16369 2006-01-18 Ben Elliston <bje@au.ibm.com>
16371 * expr.c (emit_move_change_mode): Always adjust addresses, not
16372 just during reload. Copy replacements only during reload.
16373 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16374 emit_move_via_integer.
16376 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16378 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16379 instead of $(srcdir) and ${srcdir}.
16381 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16384 PR middle-end/11135
16385 * arm.h (struct machine_function): Add pic_reg.
16386 * arm.c (arm_pic_register): Make unsigned.
16387 (arm_override_options): Only set arm_pic_register if
16388 TARGET_SINGLE_PIC_BASE.
16389 (use_return_insn): Only test for a pic register if it is fixed.
16390 (arm_compute_save_reg0_reg12_mask): Likewise.
16391 (thumb_compute_save_reg_mask): Likewise.
16392 (legitimate_pic_operand): Factor out some known invariants.
16393 (legitimize_pic_address): If we don't have a fixed pic register,
16394 then set up a pseudo in the function entry sequence. Handle the
16395 pic base being in a pseudo.
16396 (arm_load_pic_register): Handle the pic register being in a pseudo.
16397 (arm_expand_prologue): Only set up the pic register if it is fixed.
16398 (thumb_expand_prologue): Likewise.
16399 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16400 (pic_load_addr_based_insn): Likewise.
16401 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16404 2006-01-18 Ben Elliston <bje@au.ibm.com>
16406 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16407 decimal float modes for all floating point registers.
16409 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16410 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16412 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16415 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16416 even when the pointer is not NULL.
16418 2006-01-16 Ian Lance Taylor <ian@airs.com>
16420 * common.opt (ftoplevel-reorder): New option.
16421 * cgraph.c (cgraph_asm_nodes): New global variable.
16422 (cgraph_asm_last_node): New static variable.
16423 (cgraph_order): New global variable.
16424 (cgraph_create_node): Set new order field.
16425 (cgraph_varpool_node): Likewise.
16426 (decide_is_variable_needed): Return true if not
16427 flag_toplevel_reorder.
16428 (cgraph_add_asm_node): New function.
16429 * cgraph.h (struct cgraph_node): Add order field.
16430 (struct cgraph_varpool_node): Add order field.
16431 (struct cgraph_asm_node): Define.
16432 (cgraph_asm_nodes, cgraph_order): Declare.
16433 (cgraph_add_asm_node): Declare.
16434 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16436 (cgraph_varpool_assemble_pending_decls): Call it.
16437 (cgraph_output_pending_asms): New static function.
16438 (cgraph_finalize_compilation_unit): Call it.
16439 (struct cgraph_order_sort): Define.
16440 (cgraph_output_in_order): New static function.
16441 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16442 !flag_toplevel_reorder case.
16443 * c-parser.c: Include "cgraph.h".
16444 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16446 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16447 than -fno-unit-at-a-time.
16448 * doc/invoke.texi (Option Summary): Mention
16449 -fno-toplevel-reorder.
16450 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16451 -funit-at-a-time documentation.
16453 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16454 Kazu Hirata <kazu@codesourcery.com>
16456 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16458 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16460 * Makefile.in (FUNCTION_H): New. Use it instead of
16461 function.h throughout the file.
16462 * function.h: Include tree.h.
16464 2006-01-17 Ben Elliston <bje@au.ibm.com>
16466 * recog.c: Separate some functions with whitespace.
16468 2006-01-16 Richard Henderson <rth@redhat.com>
16470 Merge from gomp branch:
16471 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16472 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16473 and rename from struct inline_data. Rename callee* to dst*;
16474 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16475 transform_new_cfg, transform_return_to_modify, and
16476 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16478 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16479 (copy_decl_for_dup): Remove.
16480 * tree-inline.c (struct inline_data): Move to header.
16481 (insert_decl_map): Export.
16482 (remap_decl): Update for member name changes. Use copy_decl hook.
16483 Allow for replacement to be a non-decl. Remove dead code.
16484 (remap_type_1): Check for existing mapping.
16485 (remap_type): Export.
16486 (remap_decls): Update for member name changes.
16487 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16488 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16489 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16490 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16491 (tree_function_versioning, build_duplicate_type): Likewise.
16492 (copy_body_r): Likewise. Export.
16493 (copy_decl_for_dup): Split into ...
16494 (copy_decl_for_dup_finish, copy_decl_to_var,
16495 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16496 (replace_ref_tree, inlining_p): Remove.
16498 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16500 * ifcvt.c (if_convert): Make it static.
16501 * rtl.h: Remove the prototype for if_convert.
16503 * local-alloc.c (local_alloc): Make it static.
16504 * rtl.h: Remove the prototype for local_alloc.
16506 * loop.c (loop_optimize): Make it static.
16507 * cfgloop.h: Remove the prototype for loop_optimize.
16510 2006-01-16 DJ Delorie <dj@redhat.com>
16512 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16515 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16517 * pa.md: Disparage copies between general and floating-point registers
16518 in 32-bit move patterns.
16520 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16523 * Makefile.in (check-%): Depend on site.exp instead of
16524 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16527 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16529 * global.c (global_alloc): Make it static.
16530 * rtl.h: Remove the prototype for global_alloc.
16532 2006-01-16 Richard Guenther <rguenther@suse.de>
16534 * tree-ssa-alias.c (struct used_part): Add write_only field.
16535 (get_or_create_used_part_for): Initialize it to true.
16536 (create_overlap_variables_for): Don't create structure variables
16537 for structures that only are written to.
16538 (find_used_portions): Handle MODIFY_EXPR to track whether a
16539 structure is only written to.
16541 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16543 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16545 * basic-block.h: Remove the prototype for
16546 partition_hot_cold_basic_blocks.
16548 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16550 * cppspec.c (lang_specific_spec_functions): Remove.
16551 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16552 * gcc.h (lang_specific_spec_functions): Remove.
16553 * gccspec.c (lang_specific_spec_functions): Remove.
16555 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16557 * combine.c (record_value_for_reg): Invalidate registers
16559 (record_dead_and_set_regs_1): Likewise, by passing them to
16560 record_value_for_reg.
16561 (record_dead_and_set_regs): Invalidate stores made by a
16562 call. We do not combine across a call, but we still
16563 relied on equivalences.
16565 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16567 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16568 vrp_int_const_binop returning non-constant nodes.
16570 2006-01-16 Paul Brook <paul@codesourcery.com>
16572 * config/m68k/m68k.c (output_move_const_into_data_reg):
16573 Output correct mnemonic for mvz and mvs.
16575 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16577 * rtl-factoring.c: Add sequence abstraction algorithm.
16578 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16579 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16581 (block_has_preserve_label): New function.
16582 * common.opt: Register new pass.
16583 * Makefile.in: Ditto.
16585 * timevar.def: Ditto.
16586 * tree-pass.h: Ditto.
16587 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16588 * rtl.h (make_jump_insn_raw): Add forward decl.
16589 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16591 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16592 Roger Sayle <roger@eyesopen.com>
16594 * fold-const.c (fold_minmax): New static function.
16595 (fold_binary) <MIN_EXPR>: Call it.
16596 <MAX_EXPR>: Likewise.
16597 * stor-layout.c (place_field): Use DECL_SIZE consistently
16598 in the computation of the new record size.
16600 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16602 * cse.c (cse_condition_code_reg): Make it static.
16603 * rtl.h: Remove the prototype for cse_condition_code_reg.
16605 * combine.c (combine_instructions): Make it static.
16606 * rtl.h: Remove the prototype for combine_instructions.
16608 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16611 * tree.c (get_file_function_name_long): Concatenate the first global
16612 object name with a string derived from the input filename of the object
16615 2006-01-16 Ben Elliston <bje@au.ibm.com>
16617 * config/i386/winnt-stubs.c: Update FSF address.
16618 * config/xtensa/ieee754-df.S: Ditto.
16619 * config/xtensa/ieee754-sf.S: Ditto.
16621 2006-01-14 Ian Lance Taylor <ian@airs.com>
16623 * ifcvt.c (noce_init_if_info): New static function, broken out of
16624 noce_process_if_block.
16625 (noce_process_if_block): Call noce_init_if_info.
16626 (check_cond_move_block): New static function.
16627 (cond_move_process_if_block): New static function.
16628 (process_if_block): Call cond_move_process_if_block.
16630 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16632 * cselib.c (hash_table): Rename to cselib_hash_table.
16633 (cselib_clear_table, discard_useless_values,
16634 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16635 cselib_init, cselib_finish): Adjust uses of hash_table.
16637 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16639 PR tree-optimization/25485
16640 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16641 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16642 is known to be false and true, respectively.
16644 2006-01-14 Richard Guenther <rguenther@suse.de>
16646 PR tree-optimization/22548
16647 PR tree-optimization/22555
16648 PR tree-optimization/22501
16649 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16650 * params.def (salias-max-array-elements): New parameter.
16651 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16652 * doc/invoke.texi (salias-max-array-elements): Document.
16653 * tree-flow-inline.h (var_can_have_subvars): We also handle
16655 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16657 * tree-ssa-structalias.c (params.h): Include.
16658 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16659 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16660 (get_constraint_for): For ADDR_EXPR operating on something
16661 containing an ARRAY_REF, add all subvars to the solution.
16662 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16663 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16664 for creating MUST_DEFs.
16665 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16667 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16669 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16671 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16672 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16673 number_of_iterations_le): New functions.
16674 (number_of_iterations_special): Removed.
16675 (number_of_iterations_exit): Do not use number_of_iterations_special.
16676 * tree.c (unsigned_type_for): Always return integer type.
16678 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16679 Richard Guenther <rguenther@suse.de>
16681 PR rtl-optimization/24257
16682 * gcse.c (find_moveable_store): Only consider a store movable
16683 when the SET_SRC of the insn can be assigned to a register.
16685 2006-01-14 Ian Lance Taylor <ian@airs.com>
16687 * tree.c (tree_not_class_check_failed): New function.
16688 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16689 (tree_not_class_check_failed): Declare.
16691 2006-01-13 Ian Lance Taylor <ian@airs.com>
16693 * reload1.c (do_output_reload): Add assertion rejecting a
16696 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16698 * combine.c (struct reg_stat): Add new fields truncation_label and
16700 (record_value_for_reg): Reset truncated_to_mode.
16701 (record_truncated_value): New function.
16702 (check_promoted_subreg): Call it. Rename to check_conversions.
16703 (combine_instructions): Rename check_promoted_subreg to
16705 (reg_truncated_to_mode): New function.
16706 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16707 (gen_lowpart_or_truncate): New function.
16708 (force_to_mode): Use it instead of gen_lowpart.
16710 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16712 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16713 VAR is a tag, not its type tag.
16715 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16717 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16718 alternatives to match style of other entries.
16719 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16721 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16723 PR tree-optimization/25771
16724 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16727 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16730 * tree-inline.c (declare_return_variable): If the return variable
16731 was marked as a non gimple complex, set the return slot variable
16732 to be a non gimple comple variable.
16734 2006-01-13 Richard Guenther <rguenther@suse.de>
16736 * builtins.c (expand_builtin_sincos): New function.
16737 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16739 (expand_builtin): Expand sincos using expand_builtin_sincos.
16741 2006-01-12 DJ Delorie <dj@redhat.com>
16743 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16744 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16745 so that constant shifts can be split.
16746 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16747 (m32c_valid_pointer_mode): Make static.
16748 (shift_gen_func_for): New.
16749 (m32c_prepare_shift): Use it. Split large const shifts into
16751 * config/m32c/predicates.md (shiftcount_operand): Allow more
16753 (longshiftcount_operand): New.
16754 * doc/md.texi (Machine Constraints): Document In6.
16756 2006-01-13 Ben Elliston <bje@au.ibm.com>
16758 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16759 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16762 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16764 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16765 to try to avoid clobbering pieces of structures when we know
16766 something about the whole structure.
16767 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16769 2006-01-13 Ben Elliston <bje@au.ibm.com>
16771 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16772 return in memory, as this is no limitation is no longer present.
16774 2006-01-12 DJ Delorie <dj@redhat.com>
16776 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16777 mova with fb, and for fb+0 -> An.
16779 * config/m32c/mov.md (peephole2): Fix enabling logic.
16781 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16782 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16783 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16784 FINI_ARRAY_SECTION_ASM_OP): Define.
16786 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16788 (m32c_legitimize_reload_address): New logic to reload FB to An.
16789 (m32c_output_reg_push): Add newline.
16790 (m32c_output_reg_pop): Likewise.
16792 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16794 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16796 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16798 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16800 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16802 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16805 2006-01-11 Ben Elliston <bje@au.ibm.com>
16807 * rtlanal.c (find_reg_note): Assert insn is not null.
16809 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16811 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16814 2006-01-11 Jeff Law <law@redhat.com>
16816 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16818 (mark_threaded_blocks, register_jump_thread): New functions.
16819 (thread_through_all_blocks): Remove unwanted argument. No
16820 longer rely on e->aux to communicate thread target info.
16821 Call mark_threaded_blocks. Release the threaded_blocks
16822 bitmap and threaded_edges vector when complete.
16823 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16824 (threaded_blocks): Remove.
16825 (tree_ssa_dominator_optimize): Remove initialization and
16826 finalization of threaded_blocks. Simplify call to
16827 thread_through_all_blocks.
16828 (thread_across_edge): Call register_jump_thread rather than
16829 storing thread information into e->aux.
16830 (free_all_edge_infos): Simplify now that e->aux is no longer
16831 used to communicate with thread_through_all_blocks.
16832 * tree-flow.h (thread_through_all_blocks): Update prototype.
16833 (register_jump_thread): Prototype.
16835 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16837 * df-core.c (df_compact_blocks, df_bb_replace): Use
16838 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16840 2006-01-11 Richard Guenther <rguenther@suse.de>
16842 PR tree-optimization/25734
16843 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16844 stop propagation after successful propagation to the LHS.
16846 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16848 * basic-block.h (control_flow_graph): Change the type of
16849 x_basic_block_info to VEC(basic_block,gc) *.
16850 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16852 (SET_BASIC_BLOCK): New.
16853 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16854 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16855 * cfgbuild.c (find_basic_blocks): Likewise.
16856 * cfglayout.c (fixup_reorder_chain): Likewise.
16857 * cfgrtl.c (create_basic_block_structure,
16858 rtl_create_basic_block): Likewise.
16859 * ifcvt.c (find_if_case_1): Likewise.
16860 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16863 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16865 * Makefile.in: Removed rotted odf.c entry.
16867 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16870 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16871 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16872 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16873 output pattern modifier, not %e.
16874 * config/cris/cris.c (cris_op_str): Update comment about pattern
16876 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16877 before falling through into...
16878 <case 'E'>: Redefined from old 'e' case.
16880 2006-01-11 Jan Hubicka <jh@suse.cz>
16883 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16885 2006-01-11 Jan Hubicka <jh@suse.cz>
16887 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16888 * i386.c (x86_decompose_lea): Kill.
16889 (ix86_rtx_costs): Kill.
16891 2006-01-11 Jan Hubicka <jh@suse.cz>
16893 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16894 * cgraph.h (cgraph_node): Add inline_decl.
16895 (cgraph_insert_node_to_hashtable): Declare.
16896 (save_inline_function_body): Declare.
16897 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16899 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16900 (cgraph_function_versioning): Update call of tree_function_versioning.
16901 (save_inline_function_body): New function.
16902 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16903 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16904 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16905 (cgraph_default_inline_p): Likewise.
16906 (cgraph_decide_inlining_incrementally): Likewise.
16907 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16908 (copy_bb): Kill saving; do updating of clones.
16909 (copy_cfg_body): Kill saving.
16910 (initialize_inlined-parameters): Likewise.
16911 (expand_call_inline): Likewise.
16913 (tree_function_versioning): New parameter "update_clones".
16914 (inlining_p): Kill saving.
16915 * tree-inline.h (tree_function_versioning): Update prototype.
16916 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16919 2006-01-11 Ian Lance Taylor <ian@airs.com>
16921 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16922 Allow undoing set of machine mode.
16923 (do_SUBST): Use enums instead of is_int.
16924 (do_SUBST_MODE): New function.
16925 (SUBST_MODE): New macro.
16926 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16927 reg and trying to replace reg_regno_rtx with a new register.
16928 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16929 (simplify_set): Use SUBST_MODE.
16930 (distribute_notes): Remove code that tried to update reg notes
16931 for regno_reg_rtx changes.
16933 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16935 PR tree-optimization/23109
16936 PR tree-optimization/23948
16937 PR tree-optimization/24123
16939 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16940 * tree-cfg.c (single_noncomplex_succ): New.
16941 * tree-flow.h (single_noncomplex_succ): Declare it.
16942 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16943 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16944 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16945 insert_bb, register_division_in, insert_reciprocals,
16946 replace_reciprocal, free_bb): New.
16947 (execute_cse_reciprocals_1): Rewritten.
16948 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16949 Do not commit any edge insertion. Always compute dominators and
16950 create the allocation pool.
16951 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16952 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16953 * targhooks.c (default_min_divistions_for_recip_mul): New.
16954 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16955 * passes.c (init_optimization_passes): Run recip after tree loop
16957 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16959 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16960 Kenneth Zadeck <zadeck@naturalbridge.com>
16962 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16963 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16964 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16965 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16966 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16967 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16968 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16969 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16970 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16971 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16972 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16973 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16974 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16975 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16976 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16977 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16978 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16979 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16980 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16981 DF_SCAN_POST_ALLOC): New macros.
16982 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16983 df_free_bb_function, df_local_compute_function, df_init_function,
16984 df_dataflow_function, df_confluence_function_0,
16985 df_confluence_function_n, df_transfer_function,
16986 df_finalizer_function, df_free_function, df_dump_problem_function,
16987 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16988 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16989 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16990 df_urec_bb_info, ) New types.
16991 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16993 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16994 df_analyze_simple_change_some_blocks,
16995 df_analyze_simple_change_one_block, df_compact_blocks,
16996 df_bb_replace, df_bb_regno_last_use_find,
16997 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16998 df_insn_regno_def_p, df_find_def, df_find_use,
16999 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
17000 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
17001 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
17002 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
17003 debug_df_chain, df_get_dependent_problem, df_chain_create,
17004 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
17005 df_grow_bb_info, df_chain_dump, df_print_bb_index,
17006 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
17007 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
17008 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
17009 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
17010 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
17011 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
17012 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
17013 df_ref_remove, df_insn_refs_delete, df_refs_delete,
17014 df_reorganize_refs, df_set_state, df_hard_reg_init,
17015 df_read_modify_subreg_p) New public functions.
17016 * df-core.c: The core dataflow solver and glue routines for rtl
17018 (df_init, df_add_problem, df_set_blocks, df_finish,
17019 df_hybrid_search_forward, df_hybrid_search_backward,
17020 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17021 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17022 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17023 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17024 df_reg_defined, df_find_use, df_reg_used, df_dump,
17025 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17026 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17027 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17028 debug_df_useno, reset_df_after_reload): New functions.
17029 * df-scan.c: The scanning fuctions, once in df.c, completely
17030 rewritten so that they now fully model the functionality of
17031 register usage at the backend.
17032 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17033 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17034 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17035 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17036 df_get_artificial_defs, df_get_artificial_uses,
17037 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17038 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17039 df_refs_delete, df_reorganize_refs, df_set_state,
17040 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17041 df_def_record_1, df_defs_record, df_uses_record,
17042 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17043 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17044 df_record_exit_block_uses, df_hard_reg_init): New functions.
17046 * df-problems.c: Seven concrete dataflow problems that use the
17047 scanning in df-scan.c and are solved by the engine in df-core.c.
17048 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17049 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17050 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17051 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17052 df_ru_free_bb_info, df_ru_alloc,
17053 df_ru_bb_local_compute_process_def,
17054 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17055 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17056 df_ru_transfer_function, df_ru_free, df_ru_dump,
17057 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17058 df_rd_free_bb_info, df_rd_alloc,
17059 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17060 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17061 df_rd_transfer_function, df_rd_free, df_rd_dump,
17062 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17063 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17064 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17065 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17066 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17067 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17068 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17069 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17070 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17071 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17072 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17073 df_urec_mark_reg_use_for_earlyclobber,
17074 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17075 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17076 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17077 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17078 df_chain_create_bb_process_use, df_chain_create_bb,
17079 df_chain_finalize, df_chain_free, df_chains_dump,
17080 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17081 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17082 df_reg_lifetime): New functions.
17083 * df.c: Deleted file.
17084 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17085 consistent with new df api.
17086 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17087 rest_of_handle_sms): Ditto.
17088 * web.c (unionfind_union, union_defs, entry_register, web_main):
17090 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17091 invariant_expr_equal_p, find_defs, check_dependencies,
17092 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17093 free_inv_motion_data, move_loop_invariants): Ditto.
17094 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17095 Update dependencies.
17096 (odf.c): Added defective entry that was deleted later in day.
17097 * sched-deps.c (sched_analyze_1): Ditto.
17099 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17101 * tree-ssa-operands.c (get_expr_operands): Record addressable
17102 variables directly. Do not call add_stmt_operands for CONST_DECLs
17104 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17105 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17107 2006-01-11 Ben Elliston <bje@au.ibm.com>
17109 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17110 function returns true in the positive case.
17112 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17115 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17116 for SI, DI, SF and DF modes. Add alternatives to copy between
17117 general and floating point registers to the 32-bit patterns.
17118 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17119 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17120 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17121 generating 64-bit code.
17122 * config/pa/pa.c (output_move_double): Handle copies between general
17123 and floating registers.
17125 2006-01-10 Stuart Hastings <stuart@apple.com>
17127 * config/i386/i386.md (set_got): Update.
17128 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17129 (builtin_setjmp_receiver): Mach-O support.
17130 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17131 (GOT_SYMBOL_NAME): Define.
17132 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17133 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17134 * config/i386/i386.c (override_options): Revise for Darwin.
17135 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17136 support. (darwin_x86_file_end): New. (output_set_got): Add label
17137 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17138 * config/i386/i386-protos.h (output_set_got): Likewise.
17139 * config/darwin.c (machopic_legitimize_pic_address): Update
17142 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17144 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17145 when MODE isn't BLKmode.
17147 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17149 PR rtl-optimization/25367
17150 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17152 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17155 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17156 for a negative bound.
17158 2006-01-10 Richard Guenther <rguenther@suse.de>
17160 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17161 Never override with anything constraint.
17163 2006-01-10 Jan Beulich <jbeulich@novell.com>
17165 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17166 256 bits when optimize_size.
17168 2006-01-10 Jan Beulich <jbeulich@novell.com>
17170 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17172 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17173 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17176 2006-01-10 Ben Elliston <bje@au.ibm.com>
17178 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17180 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17181 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17182 (USE_FP_FOR_ARG): Reject decimal float modes.
17183 (function_arg_advance): Likewise.
17184 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17185 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17186 point types in AltiVec vectors.
17187 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17188 (rs6000_libcall_value): Likewise.
17190 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17192 * config/xtensa/ieee754-df.S: New file.
17193 * config/xtensa/ieee754-sf.S: New file.
17194 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17195 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17196 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17198 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17200 * config/sh/predicates.md (binary_float_operator,
17201 binary_logical_operator, commutative_float_operator,
17202 equality_comparison_operator, greater_comparison_operator,
17203 less_comparison_operator, logical_operator,
17204 noncommutative_float_operator, shift_operator,
17205 symbol_ref_operand, unary_float_operator): Remove redundant
17208 2006-01-09 Jeff Law <law@redhat.com>
17210 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17211 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17212 now unused arguments. Callers updated.
17213 (eliminate_redundant_computations): Remove now unused arguments,
17215 (local_fold): Remove, no longer used.
17216 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17218 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17219 (simplify_cond): New function.
17220 (forward_propagate_into_cond): Call simplify_cond.
17222 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17224 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17225 (*vec_extractv2di_1_sse): New.
17227 2006-01-09 Ben Elliston <bje@au.ibm.com>
17229 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17231 2006-01-08 Richard Guenther <rguenther@suse.de>
17233 * tree-ssa-structalias.c (get_constraint_for): Remove
17234 anyoffset argument.
17235 (get_constraint_for_component_ref): Likewise.
17236 (do_deref): Likewise.
17237 (get_constraint_for): Likewise.
17238 (do_structure_copy): Likewise.
17239 (handle_ptr_arith): Likewise.
17240 (find_func_aliases): Likewise. Remove unused need_anyoffset
17243 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17244 Kaz Kojima <kkojima@gcc.gnu.org>
17246 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17247 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17248 (EXTRA_CONSTRAINT_C16): Remove.
17249 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17250 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17251 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17252 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17253 constants of SHmedia. Handle nested constant expressions of
17255 (andcosts): Fix the costs for SHmedia constants.
17256 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17257 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17258 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17259 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17260 (movv4hi_i, movv2si_i): Likewise.
17261 (movsi_const): Adjust the second operand of ior so to match with
17262 the Csu constraint.
17263 (movdi_const, movdi_const_32bit): Likewise.
17264 (movdi_const_16bit+1): Don't sign-extend LOW.
17265 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17267 (*double_shori): Fix the split condition. Use GEN_INT instead
17268 of get_int_mode calls. Mask lower 16-bit of the argument of
17270 (sym2GOTPLT): Remove.
17271 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17273 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17274 instead of EXTRA_CONSTRAINT_C16.
17276 2006-01-07 Ian Lance Taylor <ian@airs.com>
17277 David Edelsohn <edelsohn@gnu.org>
17279 PR rtl-optimization/25662
17280 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17281 for constant operands instead of simplify_gen_binary.
17282 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17283 after trying simplify_binary_operation
17285 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17287 * tree.c (iterative_hash_expr): Hash decls based on UID.
17289 2006-01-06 Eric Christopher <echristo@apple.com>
17291 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17292 (TARGET_UNWIND_EMIT): Fix spelling.
17293 * target.h (gcc_target): Add except_table_label.
17294 * except.c (output_function_exception_table): Use.
17295 * varasm.c (default_emit_except_table_label): New.
17296 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17298 (asm_out): Add here.
17299 * output.h (default_emit_except_table_label): Prototype.
17300 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17301 * config/darwin.c (darwin_emit_except_table_label): Define.
17302 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17304 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17306 PR tree-optimization/18527
17307 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17308 number_of_iterations_special, number_of_iterations_exit):
17309 Move base and step of an iv to a single structure. Add
17310 no_overflow flag, and use it in # of iterations analysis.
17311 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17312 folded_casts argument.
17313 (simple_iv): Pass base and step in a structure. Set no_overflow
17315 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17316 Evaluate expensiveness of computing # of iterations instead of
17317 the final expression.
17318 * tree-scalar-evolution.h (affine_iv): New structure.
17319 (simple_iv): Declaration changed.
17320 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17321 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17322 find_givs_in_stmt): Changed due to simple_iv change.
17324 2006-01-06 Jeff Law <law@redhat.com>
17327 * tree-cfg.c (bsi_replace): Rename final argument from
17328 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17329 change (stmt -> orig_stmt).
17330 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17331 (bsi_remove): Add new argument. Remove EH information
17333 (verify_eh_throw_table_statements): New function.
17334 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17336 * tree-optimize.c (execute_free_cfg_annotations): Verify
17337 the EH throw statement table after removing annotations.
17338 * except.h (verify_eh_throw_table_statements): Prototype.
17339 * tree-flow.h (bsi_remove): Update prototype.
17340 * tree-vrp.c (remove_range_assertions): Add new argument to
17342 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17343 * tree-complex.c (expand_complex_div_wide): Likewise.
17344 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17345 * tree-tailcall.c (eliminate_tailcall): Likewise.
17346 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17347 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17348 * tree-nrv.c (tree_nrv): Likewise.
17349 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17350 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17351 (combine_blocks): Likewise.
17352 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17353 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17354 (cleanup_control_flow): Likewise.
17355 (remove_forwarder_block): Likewise.
17356 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17357 * tree-sra.c (sra_replace): Likewise.
17358 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17359 (forward_propagate_single_use_vars): Likewise.
17360 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17361 * tree-inline.c (expand_call_inline): Likewise.
17362 * tree-vect-transform.c (vect_transform_loop): Likewise.
17363 * tree-outof-ssa.c (rewrite_trees): Likewise.
17364 * tree-cfg.c (make_goto_expr_edges): Likewise.
17365 (cleanup_dead_labels): Likewise.
17366 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17367 (bsi_move_before, bsi_move_after): Likewise.
17368 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17369 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17371 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17374 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17376 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17377 on non gimple variables. Also add checks at the top for decls and
17379 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17381 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17382 and IMAGPART_EXPR for creating MUST_DEFs.
17383 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17384 and NAME_MEMORY_TAG separately from the DECLs.
17386 2006-01-06 Richard Guenther <rguenther@suse.de>
17388 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17389 annotation, if necessary.
17390 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17391 redundant calls to update_stmt.
17392 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17395 2006-01-05 Richard Henderson <rth@redhat.com>
17397 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17399 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17401 * c-typeck.c: Update copyright date.
17403 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17405 * c-typeck.c (build_c_cast): Always warn when casting
17406 from a pointer to an integer of different size, even if
17407 the node was constant.
17409 2006-01-05 Richard Guenther <rguenther@suse.de>
17411 PR tree-optimization/22555
17412 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17413 if one structure field is an array.
17414 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17415 operands even if we found a subvar, but ignore VOPs in this
17417 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17419 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17421 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17423 PR middle-end/24998
17424 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17426 2006-01-05 Richard Guenther <rguenther@suse.de>
17427 Diego Novillo <dnovillo@redhat.com>
17429 * tree-pass.h (TODO_remove_unused_locals): Define.
17430 * gimple-low.c (expand_var_p, remove_useless_vars,
17431 pass_remove_useless_vars): Remove. Update all users.
17432 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17433 (remove_unused_locals): New function.
17434 * tree-flow.h (remove_unused_locals): Declare.
17435 * passes.c (execute_todo): Call remove_unused_locals if
17436 TODO_remove_unused_locals is set.
17437 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17438 * tree-ssa-dce.c (pass_dce): Likewise.
17439 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17441 2006-01-05 Richard Guenther <rguenther@suse.de>
17443 * tree-flow.h (struct fieldoff): Decompose field to
17444 type, size and decl.
17445 * tree-ssa-alias.c (create_sft): Take type as parameter.
17446 (create_overlap_variables_for): Store type, size and decl
17447 in the fieldoff structure.
17448 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17449 of struct fieldoff.
17450 (push_fields_onto_fieldstack): Likewise.
17451 (create_variable_info_for): Likewise. Use offset for the
17452 SFT name if the decl is not available.
17454 2006-01-04 Paul Brook <paul@codesourcery.com>
17456 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17458 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17460 * lambda-code.c (can_put_in_inner_loop): Relax
17462 (can_put_after_inner_loop): New function.
17463 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17464 (perfect_nestify): Change to make copies and modify uses.
17466 2006-01-04 Richard Henderson <rth@redhat.com>
17468 Merge from gomp branch:
17469 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17470 via integer constant.
17471 (pragma_lex): Remove.
17472 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17473 rather than parsing it.
17474 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17475 handle_pragma_extern_prefix): Add %< %> quotes.
17476 (registered_pragmas): New.
17477 (c_register_pragma_1): New.
17478 (c_register_pragma): Use it.
17479 (c_register_pragma_with_expansion): Likewise.
17480 (c_invoke_pragma_handler): New.
17481 (init_pragma): Use cpp_register_deferred_pragma directly for
17483 * c-pragma.h (enum pragma_kind): New.
17484 (pragma_handler): New.
17485 (c_invoke_pragma_handler): Declare.
17486 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17488 * c-common.h (c_common_pch_pragma): Update decl.
17489 * Makefile.in (c-parser.o): Update dependencies.
17490 (GTFILES): Add c-pragma.h.
17491 * c-parser.c (struct c_token): Add pragma_kind.
17492 (struct c_parser): Add in_pragma.
17493 (c_lex_one_token): Always initialize keyword and pragma_kind.
17494 Extract data for CPP_PRAGMA.
17495 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17496 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17497 Don't allow CPP_PRAGMA_EOL if in_pragma.
17498 (c_parser_consume_pragma): New.
17499 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17500 (c_parser_skip_to_end_of_parameter): Likewise.
17501 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17502 (c_parser_skip_to_pragma_eol): New.
17503 (c_parser_external_declaration): Handle CPP_PRAGMA.
17504 (c_parser_compound_statement_nostart): Likewise.
17505 (c_parser_statement_after_labels): Likewise.
17506 (c_parser_pragma): New.
17507 (pragma_lex): Likewise.
17508 (c_parser_pragma_pch_preprocess): New.
17509 (c_parser_new): Merge into ...
17510 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17512 2006-01-04 Jeff Law <law@redhat.com>
17515 * tree-cfg.c (bsi_replace): Remove the original statement
17516 from the EH throw statement table.
17518 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17520 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17521 make the prototype extern "C" and add throw ().
17524 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17525 and pos non-negative and pos + len <= 32.
17526 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17527 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17528 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17531 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17532 as well as sizes not multiple of component size.
17535 * function.c (instantiate_expr): New function.
17536 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17537 walk its DECL_VALUE_EXPR with instantiate_expr.
17539 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17540 DW_OP_deref{,_size} if address isn't going to be added.
17542 2006-01-04 Ben Elliston <bje@au.ibm.com>
17544 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17545 * config/fp-bit.c: Likewise.
17547 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17549 * dominance.c: Add comment about why we use DFS numbering
17552 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17553 Richard Henderson <rth@redhat.com>
17555 Merge from gomp-branch:
17556 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17557 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17559 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17561 PR rtl-optimization/25578
17562 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17563 pass a parameter to simplify_shift_const if changing ASHIFTRT
17566 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17568 * builtins.c (get_builtin_sync_mem): New function.
17569 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17570 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17571 Call get_builtin_sync_mem to generate mem rtx.
17573 2006-01-03 Richard Guenther <rguenther@suse.de>
17576 * stmt.c (add_case_node): Make sure to clear overflow flags
17579 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17581 Merge from gomp-branch.
17582 * config/sparc/sync.md: New file.
17583 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17584 UNSPECV_LDSTUB): New constants.
17585 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17586 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17587 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17590 2006-01-03 Roger Sayle <roger@eyesopen.com>
17592 * combine.c (reg_subword_p): New predicate to test whether the
17593 destination of a set refers to a subword/piece of a register.
17594 (try_combine): Generalize the code to merge the setting of a
17595 pseudo to a constant followed by a set of a subword of that
17596 register to a constant.
17598 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17600 * basic-block.h (control_flow_graph): Change the type of
17601 x_label_to_block_map to VEC(basic_block,gc) *.
17602 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17603 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17605 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17606 VEC(basic_block,heap) *.
17607 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17608 ssa_prop_fini): Adjust the uses of cfg_blocks.
17610 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17612 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17614 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17615 hashing trees instead of a pointer hash.
17616 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17617 compare for MEM_EXPR.
17619 PR rtl-optimization/25130
17620 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17621 when comparing MEMs for GCSE
17623 2006-01-03 Ben Elliston <bje@au.ibm.com>
17625 * targhooks.h (default_decimal_float_supported_p): Declare.
17626 * targhooks.c (default_decimal_float_supported_p): Define.
17627 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17628 `default_decimal_float_supported_p'.
17629 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17631 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17633 * combine.c (apply_distributive_law <SUBREG>): Check
17634 TRULY_NOOP_TRUNCATION.
17636 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17638 * dwarf2out.c (have_switched_text_section): Delete.
17639 (have_multiple_function_sections): New.
17640 (have_location_lists): Make 'bool'.
17641 (add_AT_loc_list): Use 'true' not '1'.
17642 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17643 (output_loc_list): Use have_multiple_function_sections.
17644 (output_ranges): Likewise.
17645 (dwarf2out_begin_function): Set have_multiple_function_sections if
17647 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17648 Check function_section rather than DECL_SECTION_NAME.
17649 (dwarf2out_finish): Use have_multiple_function_sections.
17650 Don't clear have_location_lists.
17652 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17653 Jan Hubicka <jh@suse.cz>
17655 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17656 case of conditional jump jumping to the next instruction.
17657 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17658 cases of conditional jump jumping to the next instruction.
17660 2006-01-02 Jan Hubicka <jh@suse.cz>
17662 * i386.c (*_cost): Add COSTS_N_INSNS.
17663 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17665 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17668 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17670 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17672 * config/arm/arm.c (all_fpus): Fix comment typo.
17673 * config/darwin.c: Likewise.
17674 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17675 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17676 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17678 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17680 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17681 (rs6000_split_compare_and_swapqhi): New.
17682 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17683 (sync_compare_and_swapqhi_internal): New.
17684 * config/rs6000/rs6000-protos.h: Declare.