1 2008-04-05 Jan Hubicka <jh@suse.cz>
3 * tree-dump.c (dump_enable_all): Remove prototype; do not accept
6 (enable_rtl_dump_file): Do not accept letter argument.
7 * tree-pass.h (dump_file_info): Remove letter argument.
8 * toplev.c (decode_d_option): Update -da handling.
9 * toplev.h (enable_rtl_dump_file): Update prototype.
10 * passes.c (register_one_dump_file): Do not accept IPA argument; work
11 it out based on pass type.
12 (register_dump_files_1): Likewise.
13 (init_optimization_passes): Update register_one_dump_file calls.
14 (execute_one_pass): Sanity check that IPA passes are called at IPA level
15 and RTL passes at RTL level.
16 (execute_pass_list): IPA pass can not be after or subpass of
18 (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
19 disallov RTL subpasses of IPA subpasses.
21 2008-04-05 Ben Elliston <bje@au.ibm.com>
23 * tree-cfg.c (need_fake_edge_p): Return false for calls to
24 builtins that return exactly once and do not throw. Cache call to
27 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
29 PR rtl-optimization/34916
31 * combine.c (create_log_links): Do not create duplicate LOG_LINKS
32 between instruction pairs.
34 2008-04-04 Naveen.H.S <naveen.hs@kpitcummins.com>
36 * doc/invoke.texi: Document -mbitops for SH.
37 * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
38 * config/sh/predicates.md (bitwise_memory_operand): New predicate.
39 * config/sh/sh.c (print_operand): Add %t operand code.
40 * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
41 * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
42 (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
43 (extendqihi2): Likewise.
45 (insv): Use bset, bclr and bst instructions for SH2A if possible.
46 (extv): Use bld instruction for SH2A if possible.
48 (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
49 bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
50 bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
51 (bset.b, bclr.b): Define peepholes.
52 * config/sh/sh.opt (mbitops): New option.
54 2008-04-04 Janis Johnson <janis187@us.ibm.com>
57 * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
58 and view convert expression.
60 2008-04-04 Jakub Jelinek <jakub@redhat.com>
63 * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
65 2008-04-04 H.J. Lu <hongjiu.lu@intel.com>
67 * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
69 * config/i386/cpuid.h (bit_AES): New.
70 (bit_PCLMUL): Likewise.
72 * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
73 (override_options): Handle PTA_AES and PTA_PCLMUL. Enable
74 SSE2 if AES or PCLMUL is enabled.
75 (ix86_builtins): Add IX86_BUILTIN_AESENC128,
76 IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
77 IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
78 IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
79 (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
80 (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
81 IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
82 IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
83 (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
84 (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
85 __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
86 __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
87 __builtin_ia32_aeskeygenassist128 and
88 __builtin_ia32_pclmulqdq128.
89 * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
90 (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
91 IX86_BUILTIN_PSRLDQI128. Handle IX86_BUILTIN_AESKEYGENASSIST128.
93 * config/i386/i386.h (TARGET_AES): New.
94 (TARGET_PCLMUL): Likewise.
95 (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
97 * config/i386/i386.md (UNSPEC_AESENC): New.
98 (UNSPEC_AESENCLAST): Likewise.
99 (UNSPEC_AESDEC): Likewise.
100 (UNSPEC_AESDECLAST): Likewise.
101 (UNSPEC_AESIMC): Likewise.
102 (UNSPEC_AESKEYGENASSIST): Likewise.
103 (UNSPEC_PCLMUL): Likewise.
105 * config/i386/i386.opt (maes): New.
108 * config/i386/sse.md (aesenc): New pattern.
109 (aesenclast): Likewise.
111 (aesdeclast): Likewise.
113 (aeskeygenassist): Likewise.
114 (pclmulqdq): Likewise.
116 * config/i386/wmmintrin.h: New.
118 * doc/extend.texi: Document AES and PCLMUL built-in function.
120 * doc/invoke.texi: Document -maes and -mpclmul.
122 2008-04-04 Paolo Bonzini <bonzini@gnu.org>
124 * function.c (free_after_parsing): Replace with
125 cxx_push_function_context from C++ front-end.
126 (allocate_struct_function): Don't call langhook.
127 * langhooks.h (struct lang_hooks_for_functions): Delete.
128 (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
130 * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
131 (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
132 LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
133 LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
134 (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
135 remove LANG_HOOKS_FUNCTION_INITIALIZER.
136 * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
138 * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
139 Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
141 2008-04-04 Jakub Jelinek <jakub@redhat.com>
144 * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
147 2008-04-04 Richard Guenther <rguenther@suse.de>
150 * fold-const.c (optimize_minmax_comparison): Use the correct
151 type for the constant in the simplified comparison.
153 2008-04-04 Zuxy Meng <zuxy.meng@gmail.com>
155 * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
156 Pass L2 size as "--param l2-cache-size" to the compiler.
157 (decode_l2_cache): New function to decode L2 cache parameters using
158 0x8000006 extended cpuid function.
159 (detect_caches_amd): Determine parameters of L2 cache using
160 decode_l2_caches function.
161 (decode_caches_intel): Decode L2 cache parameters.
162 (detect_caches_intel): Determine L2 cache parameters using
163 decode_caches_intel and decode_l2_caches functions.
165 2008-04-03 Bob Wilson <bob.wilson@acm.org>
167 * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
168 secondary input reload for subword loads from the constant pool.
170 2008-04-03 Janis Johnson <janis187@us.ibm.com>
173 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
174 constants of the appropriate size for runtime calculations.
177 * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
178 decimal-float literal constant zero.
180 2008-04-03 Jakub Jelinek <jakub@redhat.com>
183 * c-parser.c (c_parser_omp_atomic): Call
184 default_function_array_conversion on the RHS.
187 * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
188 call is_variable_sized if decl has incomplete type.
190 2008-04-03 H.J. Lu <hongjiu.lu@intel.com>
192 * config/i386/i386-protos.h (ix86_aligned_p): Removed.
194 2008-04-03 Adam Nemet <anemet@caviumnetworks.com>
196 * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
198 (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and
200 (sgt<u>): Merge sgt and sgtu into new expander.
201 (sgt, sgtu): Remove expanders.
202 (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new
204 (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
205 (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
206 *sgtu_<mode>_mips16 into new pattern.
207 (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
208 (sge<u>): Merge sge and sgeu into new expander.
209 (sge, sgeu): Remove expanders.
210 (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
212 (*sge_<mode>, second *sge_<mode>): Remove patterns.
213 (slt<u>): Merge slt and sltu into new expander.
214 (slt, sltu): Remove expanders.
215 (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new
217 (*slt_<mode>, *sltu_<mode>): Remove patterns.
218 (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
219 *sltu_<mode>_mips16 into new pattern.
220 (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
221 (sle<u>): Merge sle and sleu into new expander.
222 (sle, sleu): Remove expanders.
223 (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new
225 (*sle_<mode>, *sleu_<mode>): Remove patterns.
226 (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
227 *sleu_<mode>_mips16 into new pattern.
228 (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
230 2008-04-03 Jan Hubicka <jh@suse.cz>
232 PR tree-optimization/35795
233 * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
234 * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
235 * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
236 * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
237 * score/score3.c (score3_output_mi_thunk): Likewise.
238 * score/score7.c (score7_output_mi_thunk): Likewise.
239 * mips/mips.c (mips_output_mi_thunk): Likewise.
241 2008-04-03 Richard Guenther <rguenther@suse.de>
243 * tree-vrp.c (extract_range_from_unary_expr): Handle all
244 conversions. Simplify code.
246 2008-04-03 Kaz Kojima <kkojima@gcc.gnu.org>
248 * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
250 2008-04-03 Tom Tromey <tromey@redhat.com>
251 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
253 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
254 * config/bfin/t-bfin-linux (generated_files): Add
255 linux-sysroot-suffix.h.
256 * doc/install.texi (Prerequisites): Require make 3.80.
257 * doc/sourcebuild.texi (Front End Directory): Document new
259 * Makefile.in (generated_files): New variable.
260 (ALL_HOST_OBJS): New variable.
261 ($(ALL_HOST_OBJS)): New target.
263 2008-04-03 Paolo Bonzini <bonzini@gnu.org>
265 * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
266 (remap_block): Call id->transform_lang_insert_block instead
268 (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
269 Set id.transform_lang_insert_block to NULL.
270 (clone_body): Move to cp/optimize.c
271 * tree-inline.h (struct copy_body_data): Change
272 transform_lang_insert_block to function pointer.
273 (copy_generic_body, copy_decl_no_change): Export.
274 * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
275 * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
276 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
278 * c-tree.h (insert_block): Kill.
279 * c-decl.c (insert_block): Kill.
281 2008-04-03 Paolo Bonzini <bonzini@gnu.org>
283 * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
284 LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
285 * c-tree.h (c_push_function_context, c_pop_function_context): Remove
287 * c-decl.c (c_push_function_context, c_pop_function_context): Remove
288 argument, call {push,pop}_function_context from here.
289 * c-parser.c: Use c_{push,pop}_function_context.
291 * function.c (push_function_context_to): Move meat ...
292 (push_function_context): ... here. Simplify.
293 * function.c (pop_function_context_from): Move meat ...
294 (pop_function_context): ... here. Simplify.
295 * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
297 * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
298 LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
299 (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
300 * tree.h (push_function_context_to, pop_function_context_from): Remove.
302 2008-04-03 Ben Elliston <bje@au.ibm.com>
304 * expmed.c (extract_force_align_mem_bit_field): Remove.
306 2008-04-03 Richard Guenther <rguenther@suse.de>
309 * expr.h (try_casesi): Adjust prototype.
310 * expr.c (try_casesi): Take fallback label as extra parameter.
311 Use that for gen_casesi if default_label is NULL.
312 * stmt.c (expand_case): Pass fallback label to try_casesi,
313 make sure to fill gaps with a fallback label if default_label
316 2008-04-03 Dominique d'Humieres <dominiq@lps.ens.fr>
319 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
321 2008-04-03 Ben Elliston <bje@au.ibm.com>
323 * expmed.c (extract_split_bit_field): Remove if (0) code.
324 * tree-ssa-structalias.c (do_sd_constraint): Likewise.
325 (do_ds_constraint): Likewise.
327 2008-04-02 Joseph Myers <joseph@codesourcery.com>
329 * doc/cppopts.texi (-dU): Document.
330 * c-common.h (flag_dump_macros): Update comment.
331 * c-opts.c (handle_OPT_d): Handle -dU.
332 * c-ppoutput.c (macro_queue, define_queue, undef_queue,
333 dump_queued_macros, cb_used_define, cb_used_undef): New.
334 (init_pp_output): Handle -dU.
335 (cb_line_change): Call dump_queued_macros.
336 * toplev.c (decode_d_option): Accept -dU as preprocessor option.
338 2008-04-02 Anatoly Sokolov <aesok@post.ru>
340 * config/avr/predicates.md (io_address_operand): New predicate.
341 * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
342 * config/avr/avr.c (avr_io_address_p): Remove function.
343 (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
344 'avr_io_address_p' function.
345 (out_movhi_r_mr): (Ditto.).
346 (out_movqi_mr_r): (Ditto.).
347 (out_movhi_mr_r): (Ditto.).
348 (avr_address_cost): (Ditto.).
350 2008-04-02 Uros Bizjak <ubizjak@gmail.com>
352 * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
353 Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
354 in 32bit mode when XMM registers are available to avoid store
356 (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
357 corresponding post-reload splitters.
359 2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
361 * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
362 and __builtin_ia32_shufpd. Provide __builtin_ia32_roundsd and
363 __builtin_ia32_roundss.
364 (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
365 __builtin_ia32_shufpd, __builtin_ia32_roundsd and
366 __builtin_ia32_roundss.
367 (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
368 IX86_BUILTIN_SHUFPD here.
370 2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
372 * config/i386/i386.md (plogic): New.
373 (plogicprefix): Likewise.
375 * config/i386/mmx.md (mmx_<code><mode>3): New.
376 (mmx_and<mode>3): Removed.
377 (mmx_ior<mode>3): Likewise.
378 (mmx_xor<mode>3): Likewise.
380 * config/i386/sse.md (<code><mode>3): New.
381 (*<code><mode>3): Likewise.
382 (*<code><mode>3): Likewise.
383 (<code><mode>3): Likewise.
384 (*sse_<code><mode>3): Likewise.
385 (*sse2_<code><mode>3): Likewise.
386 (<code>tf3): Likewise.
387 (*<code>tf3): Likewise.
388 (and<mode>3): Likewise.
389 (*and<mode>3): Likewise.
390 (ior<mode>3): Removed.
391 (*ior<mode>3): Likewise.
392 (xor<mode>3): Likewise.
393 (*xor<mode>3): Likewise.
394 (*and<mode>3): Likewise.
395 (*ior<mode>3): Likewise.
396 (*xor<mode>3): Likewise.
397 (and<mode>3): Likewise.
398 (*sse_and<mode>3): Likewise.
399 (*sse2_and<mode>3): Likewise.
402 (ior<mode>3): Likewise.
403 (*sse_ior<mode>3): Likewise.
404 (*sse2_ior<mode>3): Likewise.
407 (xor<mode>3): Likewise.
408 (*sse_xor<mode>3): Likewise.
409 (*sse2_xor<mode>3): Likewise.
413 2008-04-02 Richard Guenther <rguenther@suse.de>
415 PR tree-optimization/14495
416 PR tree-optimization/34793
417 * tree-vrp.c (struct switch_update): New structure.
418 (to_remove_edges, to_update_switch_stmts): New VECs.
419 (simplify_switch_using_ranges): New function. Remove not taken
420 case labels and edges.
421 (simplify_stmt_using_ranges): Call it.
422 (identify_jump_threads): Mark edges we have queued for removal
423 so we don't thread them.
424 (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
426 * tree-cfg.c (group_case_labels): Deal with missing default label.
427 (tree_verify_flow_info): Allow missing default label.
428 * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
429 (emit_case_nodes): Likewise.
430 (expand_case): Do not rely on the default label to be present.
431 * expr.c (try_casesi): Deal with NULL default_label.
432 (do_tablejump): Likewise.
434 2008-04-02 Richard Guenther <rguenther@suse.de>
436 PR tree-optimization/14495
437 * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
439 (vrp_visit_switch_stmt): ... but here (new function).
440 (find_case_label_index): New helper function.
441 (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
443 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
445 * fwprop.c: Fix ISO-C99ism.
447 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
450 * Makefile.in (objdir): Set it here.
451 * configure.ac: Not here. Find dynamic linker characteristics.
452 * exec-tool.in: Use them.
453 * aclocal.m4: Regenerate.
454 * configure: Regenerate.
456 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
458 * expr.c (expand_var): Delete it.
459 * expr.h (expand_var): Delete prototype.
460 * function.c (expand_function_start): Use expand_decl instead.
461 * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
464 2008-04-02 Andy Hutchinson <hutchinsonamdy@aim.com>
466 PR rtl-optimization/35542
467 * fwprop.c (forward_propagate_and_simplify): Replace
468 loc_reg_mentioned_in_p with reg_mentioned_p.
470 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
472 PR rtl-optimization/35281
473 * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
474 (propagate_rtx_1): Handle PR_HANDLE_MEM.
475 (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
476 (varying_mem_p): Move above propagate_rtx.
477 (all_uses_available_at): Do not check MEMs.
479 2008-04-02 Rafael Espindola <espindola@google.com>
481 * tree-vrp.c (extract_code_and_val_from_cond): Remove.
482 (register_edge_assert_for_2): Split the cond argument.
483 (register_edge_assert_for_1): Adjust for the change in
484 register_edge_assert_for_2.
485 (register_edge_assert_for): Split the cond argument.
486 (find_switch_asserts): Adjust for the change in
487 register_edge_assert_for.
489 2008-04-02 Kai Tietz <kai.tietz@onevision.com>
491 * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
492 * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
493 offsets for 64-bit mingw.
494 * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
495 abi for x86_64-pc-mingw.
497 2008-04-02 Richard Guenther <rguenther@suse.de>
499 * tree-vrp.c (extract_range_from_assert): Make sure to not
500 produce range min/max with TREE_OVERFOW set.
501 If merging a anti-range and a range keep the anti-range if
502 the range covers all values of the type.
503 (register_edge_assert_for_2): Only allow sign-changing
504 conversions in detecting canonical range checks. Also
505 register an assert for the unsigned name if useful.
507 PR tree-optimization/35787
508 * tree-vrp.c (vrp_val_max): New function.
509 (vrp_val_min): Likewise.
510 (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
511 (vrp_val_is_min): Likewise.
512 (supports_overflow_infinity): Use vrp_val_{min,max}.
513 (negative_overflow_infinity): Likewise.
514 (positive_overflow_infinity): Likewise.
515 (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
516 (is_positive_overflow_infinity): Likewise.
517 (is_overflow_infinity): Likewise.
518 (avoid_overflow_infinity): Use vrp_val_{min,max} and
519 vrp_val_is_{min,max}.
520 (set_and_canonicalize_value_range): Canonicalize anti-ranges
521 to ranges if possible. Avoid empty ranges.
523 2008-04-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
526 * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
527 the expression is a function address.
529 2008-04-01 George Helffrich <george@gcc.gnu.org>
531 PR fortran/PR35154, fortran/PR23057
532 * fortran/trans-common.c (create_common): Add decl to function
533 chain to preserve identifier scope in debug output.
535 * dbxout.c: Emit .stabs debug info for Fortran COMMON block
536 variables as base symbol name + offset using N_BCOMM/N_ECOMM.
537 (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
538 (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
540 (dbxout_syms): Check for COMMON-based symbol and wrap in
541 N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
542 in bracket for efficiency.
544 * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
545 using DW_TAG_common_block + member offset.
546 (add_pubname_string): New function.
547 (dw_expand_expr): New function to find block name and offset for
549 (common_check): New function to check whether symbol in Fortran COMMON.
550 (gen_variable_die): If COMMON, use DW_TAG_common_block.
552 * testsuite/gcc.dg/debug/pr35154.c: New test to check that non-Fortran
553 use of common is unchanged.
555 * testsuite/lib/gfortran-dg.exp: New harness to compile Fortran progs
556 with all combinations of debug options available on target.
557 * testsuite/gfortran.dg/debug/debug.exp: Ditto.
558 * testsuite/gfortran.dg/debug/trivial.f: Ditto.
559 * testsuite/gfortran.dg/debug/pr35154-stabs.f: New test case for
560 .stabs functionality.
561 * testsuite/gfortran.dg/debug/pr35154-dwarf2.f: New test case for
564 2008-04-01 Volker Reichelt <v.reichelt@netcologne.de>
567 * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
569 2008-04-02 Ben Elliston <bje@au.ibm.com>
571 * config/v850/v850.md (casesi): Remove if (0) code.
572 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
573 * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
575 2008-04-01 Uros Bizjak <ubizjak@gmail.com>
577 * config/i386/i386.md (rex64suffix): New mode attribute.
578 (floathi<mode>2): Disable expander for SSE math.
579 (*floathi<mode>2_1): New insn insn_and_split pattern.
580 (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
581 corresponding post-reload splitters.
582 (*floathi<mode>2_i387): New macroized insn pattern.
583 (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
584 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
585 insn_and_split pattern.
586 (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
587 New macroized instruction patterns and corresponding post-reload
589 (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
590 and corresponding post-reload splitters.
591 (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
592 New macroized instruction patterns.
593 (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
594 macroized instruction patterns and corresponding post-reload splitters.
595 (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
596 corresponding post-reload splitters.
597 (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
598 New macroized instruction patterns.
599 (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
600 corresponding post-reload splitters.
601 (*floatsi<mode>2_i387): New macroized instruction patterns.
603 2008-04-01 H.J. Lu <hongjiu.lu@intel.com>
605 * config/i386/i386.md (smaxmin): New.
607 (maxminiprefix): Likewise.
608 (maxminfprefix): Likewise.
609 (<code><mode>3): Likewise.
610 (smin<mode>3): Removed.
611 (smax<mode>3): Likewise.
613 * config/i386/mmx.md (mmx_<code>v2sf3): New.
614 (mmx_<code>v4hi3): Likewise.
615 (mmx_<code>v8qi3): Likewise.
616 (mmx_smaxv2sf3): Removed.
617 (mmx_sminv2sf3): Likewise.
618 (mmx_umaxv8qi3): Likewise.
619 (mmx_smaxv4hi3): Likewise.
620 (mmx_uminv8qi3): Likewise.
621 (mmx_sminv4hi3): Likewise.
623 * config/i386/sse.md (<addsub><mode>3): New.
624 (*<addsub><mode>3): Likewise.
625 (<sse>_vm<addsub><mode>3): Likewise.
626 (<maxmin><mode>3): Likewise.
627 (*<maxmin><mode>3_finite): Likewise.
628 (*<maxmin><mode>3): Likewise.
629 (<sse>_vm<maxmin><mode>3): Likewise.
630 (sse3_h<addsub>v4sf3): Likewise.
631 (sse3_h<addsub>v2df3): Likewise.
632 (<maxmin>v16qi3): Likewise.
633 (*<maxmin>v16qi3): Likewise.
634 (<maxmin>v8hi3): Likewise.
635 (*<maxmin>v8hi3): Likewise.
636 (*sse4_1_<maxmin><mode>3): Likewise.
637 (*sse4_1_<maxmin><mode>3): Likewise.
638 (add<mode>3): Removed.
639 (*add<mode>3): Likewise.
640 (<sse>_vmadd<mode>3): Likewise.
641 (sub<mode>3): Likewise.
642 (*sub<mode>3): Likewise.
643 (<sse>_vmsub<mode>3): Likewise.
644 (smin<mode>3): Likewise.
645 (*smin<mode>3_finite): Likewise.
646 (*smin<mode>3): Likewise.
647 (<sse>_vmsmin<mode>3): Likewise.
648 (smax<mode>3): Likewise.
649 (*smax<mode>3_finite): Likewise.
650 (*smax<mode>3): Likewise.
651 (<sse>_vmsmax<mode>3): Likewise.
652 (sse3_haddv4sf3): Likewise.
653 (sse3_haddv2df3): Likewise.
654 (sse3_hsubv4sf3): Likewise.
655 (sse3_hsubv2df3): Likewise.
656 (umaxv16qi3): Likewise.
657 (*umaxv16qi3): Likewise.
658 (smaxv8hi3): Likewise.
659 (*smaxv8hi3): Likewise.
660 (*sse4_1_smax<mode>3): Likewise.
661 (*sse4_1_umax<mode>3): Likewise.
662 (uminv16qi3): Likewise.
663 (*uminv16qi3): Likewise.
664 (sminv8hi3): Likewise.
665 (*sminv8hi3): Likewise.
666 (*sse4_1_smin<mode>3): Likewise.
667 (*sse4_1_umin<mode>3): Likewise.
669 2008-04-01 Rafael Espindola <espindola@google.com>
671 * tree-cfg.c (verify_expr): remove in_phi.
672 (verify_stmt): Don't call walk_tree with verify_expr. Use
673 is_gimple_min_invariant instead of is_gimple_val.
675 2008-04-01 Joseph Myers <joseph@codesourcery.com>
677 * doc/include/gpl_v3.texi: Update for manpage generation.
678 * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
680 * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
681 * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
682 gpl_v3.texi instead of gpl.texi.
685 2008-04-01 Jakub Jelinek <jakub@redhat.com>
688 * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
690 2008-04-01 Rafael Espindola <espindola@google.com>
692 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
693 (extract_code_and_val_from_cond): Use
694 extract_code_and_val_from_cond_with_ops.
696 2008-04-01 Jan Hubicka <jh@suse.cz>
698 * function.c (free_after_compilation): Free epilogue_delay_list.
699 (prepare_function_start): Assert that previous compilation was freed.
701 2008-04-01 Jan Hubicka <jh@suse.cz>
702 Jim Wilson <wilson@tuliptree.org>
703 Andreas Tobler <andreast@gcc.gnu.org>
706 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
707 rtl.emit instead cfun->emit.
708 * sparc/sparc.h (INIT_EXPANDERS): Likewise.
709 * ia64/ia64.h (INIT_EXPANDERS): Likewise.
711 2008-04-01 Ben Elliston <bje@au.ibm.com>
713 * doc/c-tree.texi (Function Basics): Fix grammatical error.
715 2008-03-31 Seongbae Park <seongbae.park@gmail.com>
717 * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
719 (fprofile-use): Add var flag_profile_use
720 * coverage.c (coverage_begin_output): Do not open a gcno file for
721 output only if -ftest-coverage is set.
722 Do not add getpwd() to gcda file path.
723 (build_gcov_info): Check the new flag
724 flag_profile_datafile_relative_path.
725 (coverage_init): Use profile_data_prefix.
726 Read profile counter only if flag_profile_use is set.
727 * opts.c (common_handle_option): New option fprofile-use=,
728 fprofile-dir=, fprofile-generate=.
729 * toplev.c (profile_data_prefix): New variable definition.
730 * toplev.h (profile_data_prefix): New declaration.
731 * doc/invoke.tex (Option Summary, Optimization Options):
734 2008-03-31 James E. Wilson <wilson@tuliptree.org>
736 * varasm.c (output_constant_pool_1): In LABEL_REF check,
737 use tmp consistently.
740 * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
741 * config/ia64/ia64.c (rtx_needs_barrier): Handle
742 UNSPEC_FR_RECIP_APPROX_RES.
743 * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
745 2008-03-31 Volker Reichelt <v.reichelt@netcologne.de>
748 * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
750 2008-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
753 * fold-const.c (fold_indirect_ref_1): Support accessing non first
754 element of the vector via a pointer.
756 2008-03-31 Ian Lance Taylor <iant@google.com>
758 * tlink.c (scan_linker_output): Look for symbol name in single quotes.
760 2008-03-31 Jan Hubicka <jh@suse.cz>
762 * builtins.c (expand_builtin_setjmp_receiver): Update call of
763 get_arg_pointer_save_area.
764 * expr.c (init_expr): Just clear out rtl.expr.
765 * function.c (free_after_compilation): Clear out whole RTL structure.
766 (get_func_frame_size): Merge into ...
767 (get_frame_size): ... this one.
768 (assign_stack_local_1): Merge into ...
769 (assign_stack_local): ... this one.
770 (expand_function_end): Update call of get_arg_pointer_save_area.
771 (get_art_pointer_save_area): Remove cfun argument.
772 * function.h (emit_status): regno_pointer_align does not need length
773 attribute. Move x_regno_reg_rtx to ...
774 (regno_reg_rtx): ... new global array.
775 (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
776 (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
777 apply_args_value, forced_labels, stack_pointer_delta):
779 (struct varasm_status): Move here from varasm.c
780 (struct rtl_data): New. Move here some fields from struct function.
781 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
782 frame_offset, stack_check_probe_note, arg_pointer_save_area,
783 used_temp_slots avail_temp_slots, temp_slot_level,
784 nonlocal_goto_handler_labels): Update accesstors.
785 (rtl): New global variable.
786 (struct function): Move some fileds to rtl_data.
787 (get_arg_pointer_save_area): Update prototype.
788 * emit-rtl.c (rtl): Declare.
789 (regno_reg_rtx): Declare.
790 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
792 (gen_reg_rtx): Update.
793 (init_virtual_regs): Do not tate emit_status argument.
794 (init_emit): Do not allocate emit.
795 * varasm.c (varasm_statuc): Move to function.h.
796 (n_deferred_constatns): Update accestor.
797 (init_varasm_status): Do not allocate varasm_status.
798 (force_const_mem, get_pool_size, output_constant_pool): Update.
799 * stmt.c (force_label_rtx): Do not use x_ prefixes.
800 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
802 2008-03-31 Zdenek Dvorak <ook@ucw.cz>
804 PR rtl-optimization/35729
805 * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
808 2008-03-31 H.J. Lu <hongjiu.lu@intel.com>
811 * config/i386/i386.md (*movti_internal): Emit unaligned SSE
812 load/store if memory is unaligned.
813 (*movti_rex64): Likewise.
815 * config/i386/predicates.md (misaligned_operand): New.
817 2008-03-31 Andrew Pinski <pinskia@gmail.com>
820 * tree-ssa-phiopt.c (conditional_replacement): Return early for
823 2008-03-31 Jan Beulich <jbeulich@novell.com>
825 * config/ia64/constraints.md: Add 'j' constraint.
826 * config/ia64/ia64.md (movsi_internal): Add addp4 case.
827 (movdi_internal): Likewise.
829 2008-03-30 Volker Reichelt <v.reichelt@netcologne.de>
832 * c-typeck.c (build_c_cast): Skip invalid fields in unions.
834 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
837 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
838 proper error message for the third argument on blendpd and
841 * config/i386/sse.md (blendbits): New.
842 (sse4_1_blendp<ssemodesuffixf2c>): Use it.
844 2008-03-30 Eric Botcazou <ebotcazou@adacore.com>
846 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
848 2008-03-30 Richard Guenther <rguenther@suse.de>
851 * fold-const.c (fold_sign_changed_comparison): Do leave
852 conversions to base-types alone.
854 2008-03-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
856 * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
857 the link register if one altivec register is be saved.
859 2008-03-30 Ben Elliston <bje@au.ibm.com>
861 * final.c (final_scan_insn): Remove if (0) code.
863 2008-03-28 Volker Reichelt <v.reichelt@netcologne.de>
865 * c-parser.c (c_parser_next_token_is_keyword): Simplify.
867 2008-03-28 H.J. Lu <hongjiu.lu@intel.com>
869 * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
870 of V4SFmode to ix86_binary_operator_ok.
872 2008-03-28 Uros Bizjak <ubizjak@gmail.com>
874 * config/i386/i386.c (override_options): Initialize
875 ix86_veclib_handler to ix86_veclibabi_svml when
876 -mveclibabi=svml is used.
877 (ix86_veclibabi_svml): New function for SVML ABI style
878 vectorization support.
879 * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
881 2008-03-28 Rafael Espindola <espindola@google.com>
883 * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
884 (tree_binary_nonnegative_warnv_p): Make it public.
885 (tree_single_nonnegative_warnv_p): Make it public.
886 (tree_invalid_nonnegative_warnv_p): Make it public.
887 (tree_unary_nonzero_warnv_p): Make it public.
888 (tree_binary_nonzero_warnv_p): Make it public
889 (tree_single_nonzero_warnv_p): Make it public.
890 * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
891 (extract_range_from_binary_expr): Split the expr argument.
892 (extract_range_from_unary_expr): Split the expr argument.
893 (extract_range_from_comparison): Split the expr argument.
894 (extract_range_from_expr): Use the new aux functions.
895 (vrp_evaluate_conditional_warnv): Use
896 vrp_evaluate_conditional_warnv_with_ops.
897 * tree.h (tree_unary_nonzero_warnv_p): Declare.
898 (tree_binary_nonzero_warnv_p): Declare.
899 (tree_single_nonzero_warnv_p): Declare.
900 (tree_expr_nonzero_warnv_p): Declare.
901 (tree_unary_nonnegative_warnv_p): Declare.
902 (tree_binary_nonnegative_warnv_p): Declare.
903 (tree_single_nonnegative_warnv_p): Declare.
904 (tree_invalid_nonnegative_warnv_p): Declare.
906 2008-03-28 Richard Guenther <rguenther@suse.de>
908 PR tree-optimization/30317
909 PR tree-optimization/30911
910 PR tree-optimization/34793
911 * tree-vrp.c (set_and_canonicalize_value_range): New function.
912 (struct assert_locus_d): New member EXPR.
913 (register_new_assert_for): Add EXPR parameter to support
914 ASSERT_EXPR <name, expr OP limit>.
915 (register_edge_assert_for_1): Adjust callers.
916 (find_assert_locations): Likewise.
917 (process_assert_insertions_for): Build condition from expression.
918 (extract_range_from_assert): Handle ASSERT_EXPRs
919 of the form ASSERT_EXPR <name, expr OP limit>.
920 (register_edge_assert_for_2): New helper registering
921 asserts for comparisons. Recognize range tests of the form
922 (unsigned)i - CST1 OP CST2.
923 (register_edge_assert_for_1): Use it.
924 (register_edge_assert_for): Likewise.
925 (needs_overflow_infinity): Integer sub-types
926 do not need overflow infinities.
927 (vrp_val_is_max): The extreme values of integer sub-types
928 are those of the base type.
929 (vrp_val_is_min): Likewise.
930 * tree.def (ASSERT_EXPR): Document extra allowed conditional
933 2008-03-28 Nick Clifton <nickc@redhat.com>
935 * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
936 Return GENERAL_REGS for stack adjustment reloads.
938 2008-03-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
941 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
942 const_vector when all the vectors are constant.
944 2008-03-27 Bob Wilson <bob.wilson@acm.org>
946 * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
948 * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
949 (any_scc_sf): Add uneq, unlt, unle and unordered operators.
951 (s<code>_sf): Use new scc_sf attribute for opcode names.
953 2008-03-27 Tom Tromey <tromey@redhat.com>
955 * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
956 configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
957 config/spu/t-spu-elf, config/i386/t-interix,
958 config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
959 config/i386/x-darwin, config/i386/x-mingw32,
960 config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
961 config/sh/t-sh, config/sh/t-symbian, config/x-linux,
962 config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
963 config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
964 config/rs6000/x-rs6000, config/rs6000/x-darwin64,
965 config/rs6000/x-darwin, config/rs6000/t-rs6000,
966 config/score/t-score-elf, config/arm/t-strongarm-pe,
967 config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
968 config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
969 Revert automatic dependency patch.
971 2008-03-27 H.J. Lu <hongjiu.lu@intel.com>
974 * config/i386/i386.c (ix86_function_arg_boundary): Align
975 decimal floating point to its natural boundary.
977 2008-03-27 Richard Guenther <rguenther@suse.de>
980 * fold-const.c (fold_comparison): Restrict distinct decl
981 comparison folding to VAR_DECLs and PARM_DECLs. Do not
982 solely rely on operand_equal_p.
984 2008-03-27 Richard Guenther <rguenther@suse.de>
987 * c-common.c (handle_weak_attribute): Reject combination of
990 2008-03-27 Richard Guenther <rguenther@suse.de>
992 PR tree-optimization/32810
993 * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
994 conversions from DECL_INITIAL.
995 (fold_const_aggregate_ref): Likewise from constructor elements.
997 2008-03-27 Zdenek Dvorak <ook@ucw.cz>
999 * tree-affine.h (aff_combination_expand): Declare.
1000 (get_inner_reference_aff): Likewise.
1001 * tree-affine.c (aff_combination_expand): Split out from
1002 tree_to_aff_combination_expand.
1003 (get_inner_reference_aff): New function.
1004 * tree-parloops.c (loop_parallel_p): Free vectorizer info.
1005 * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
1006 (struct lim_aux_data): sm_done field removed.
1007 (mem_ref_loc_p, mem_ref_locs_p): New types.
1008 (struct mem_ref): Added id, stored, accesses_in_loop,
1009 indep_loop, dep_loop, indep_ref, dep_ref fields.
1010 Removed is_stored, locs and next fields.
1011 (memory_accesses): New variable.
1012 (movement_possibility): Do not allow moving statements
1013 that store to memory.
1014 (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
1016 (determine_max_movement): For statements with memory references,
1017 find the outermost loop in that the reference is independent.
1018 (move_computations_stmt): Mark the virtual operands for renaming.
1019 (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
1020 gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
1021 vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
1022 add_vop_ref_mapping, create_vop_ref_mapping_loop,
1023 create_vop_ref_mapping, analyze_memory_references,
1024 cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
1025 get_all_locs_in_loop, ref_always_accessed_p,
1026 refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
1027 ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
1028 store_motion_loop, store_motion): New functions.
1029 (struct vop_to_refs_elt): New type.
1030 (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
1031 memref_hash, memref_eq, hoist_memory_references): Rewritten.
1032 (schedule_sm): Replaced by...
1033 (execute_sm): ... this.
1034 (determine_lsm_ref, hoist_memory_references,
1035 loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
1036 find_more_ref_vops, free_mem_ref, free_mem_refs,
1037 determine_lsm_loop, determine_lsm): Removed.
1038 (tree_ssa_lim_finalize): Free data structures used by store motion.
1039 (tree_ssa_lim): Call analyze_memory_references. Use
1040 store_motion instead of determine_lsm.
1042 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
1044 * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
1045 rename tmake_file to m68hc11/t-m68hc11.
1046 (mcore): Set inhibit_libc to true.
1047 * config.host (alpha*-dec-*vms*): Set extra_programs.
1048 (interix3*): Don't use host_xmake_file.
1049 * configure.ac: Let config.gcc override inhibit_libc.
1050 * configure: Regenerate.
1052 * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
1053 * config/t-openbsd-thread: Remove commented out lines.
1055 * config/x-interix: Remove.
1057 * config/m68hc11/t-m68hc11-gas: Rename to...
1058 * config/m68hc11/t-m68hc11: ... this. Remove T_CPPFLAGS.
1060 * config/mcore/t-mcore: Remove T_CFLAGS.
1061 * config/mcore/t-mcore-pe: Likewise.
1063 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
1065 * configure.ac: Replace custom __GNU_SOURCE test with
1066 AC_USE_SYSTEM_EXTENSIONS. Move it earlier.
1067 * aclocal.m4: Regenerate.
1068 * configure: Regenerate.
1069 * config.in: Regenerate.
1071 2008-03-27 Richard Guenther <rguenther@suse.de>
1073 * fold-const.c (target.h): Include.
1074 (fold_comparison): Fold comparison of addresses of decls
1075 that bind locally or of constants. Consolidate address folding code.
1076 * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
1077 results from fold_binary_to_constant.
1078 (compare_values_warnv): Likewise.
1080 2008-03-27 Andrew Pinski <pinskia@gmail.com>
1083 * fold-const.c (fold_truthop): Check for integeral types when folding
1084 a == 0 && b == 0 and a != 0 || b != 0 .
1086 2008-03-26 Eric Botcazou <ebotcazou@adacore.com>
1088 * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
1090 2008-03-26 Andreas Schwab <schwab@suse.de>
1092 * doc/invoke.texi: Fix use of @item vs. @itemx.
1094 2008-03-26 Tom Tromey <tromey@redhat.com>
1096 * Makefile.in (build/gensupport.o, build/print-rtl.o,
1097 build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
1098 build/genattrtab.o, build/genautomata.o, build/gencheck.o,
1099 build/gencodes.o, build/genconditions.o, build/genconfig.o,
1100 build/genconstants.o, build/genemit.o, build/genextract.o,
1101 build/genflags.o, build/genmddeps.o, build/genopinit.o,
1102 build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
1105 2008-03-26 Richard Guenther <rguenther@suse.de>
1108 2008-03-26 Richard Guenther <rguenther@suse.de>
1110 * fold-const.c (target.h): Include.
1111 (fold_comparison): Fold comparison of addresses of two decls
1112 that bind locally. Consolidate address folding code.
1114 2008-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1116 * builtins.c (expand_builtin_pow, fold_builtin_cabs,
1117 fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
1118 fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
1119 dconstsqrt2, dconstthird, dconste and/or dconst10.
1120 * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
1121 * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
1122 dconstsqrt2, dconste): Delete.
1123 (init_emit_once): Likewise. Simplify initializing dconstm1.
1125 * real.c (get_real_const): New.
1126 * real.h (dconst3, dconst10, dconstm2, dconstthird,
1127 dconstsqrt2, dconste): Delete.
1128 (real_value_const, get_real_const): New.
1130 2008-03-26 H.J. Lu <hongjiu.lu@intel.com>
1132 * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
1134 * config/i386/i386.c (ix86_function_arg_boundary): Check
1135 BIGGEST_ALIGNMENT instead of 128.
1136 (setup_incoming_varargs_64): Likewise.
1138 2008-03-26 Tom Tromey <tromey@redhat.com>
1140 * Makefile.in (DEPFILES): Add missing '/'.
1142 2008-03-26 Richard Guenther <rguenther@suse.de>
1144 * fold-const.c (target.h): Include.
1145 (fold_comparison): Fold comparison of addresses of two decls
1146 that bind locally. Consolidate address folding code.
1148 2008-03-26 Nick Clifton <nickc@redhat.com>
1151 * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
1152 not allow INT+INT as a legitimate addressing mode.
1154 2008-03-26 Richard Guenther <rguenther@suse.de>
1156 * tree-flow.h (widen_bitfield): Remove declaration.
1157 * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
1158 (widen_bitfield): Remove function.
1159 * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
1162 2008-03-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
1165 * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
1168 2008-03-25 Richard Sandiford <rsandifo@nildram.co.uk>
1170 PR rtl-optimization/35232
1171 * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
1172 (forget_old_reloads_1, forget_marked_reloads): Don't clear
1173 reg_reloaded_call_part_clobbered here.
1174 (reload_regs_reach_end_p): New function.
1175 (reload_reg_rtx_for_input): New variable.
1176 (reload_reg_rtx_for_output): Likewise.
1177 (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
1178 when reassigning a pseudo register. Load reloadreg from
1179 reload_reg_rtx_for_input, moving the mode and register
1181 (do_input_reload): ...here. Use the mode-adjusted reg_rtx
1182 instead of the original when deciding whether an input reload
1183 would be a no-op or whether an output reload can be deleted.
1184 (emit_output_reload_insns): Use the mode-adjusted reg_rtx
1185 when setting up new_spill_reg_store. Load it from
1186 reload_reg_rtx_for_output, moving the mode and register
1188 (do_output_reload): ...here. Use the mode-adjusted reg_rtx
1189 instead of the original when deciding whether an output reload
1190 would be a no-op. Do the same when modifying insn notes.
1191 Use rtx_equal_p instead of == to compare the registers.
1192 (inherit_piecemeal_p): Take a mode and two register numbers
1194 (emit_reload_insns): Clear new_spill_reg_store for every hard
1195 register in the reload register. Remove spill registers
1196 from reg_reloaded_valid before considering whether to record
1197 inheritance information for them. Use reload_reg_rtx_for_output
1198 instead of reg_rtx when recording output reloads. Use
1199 reload_reg_rtx_for_input instead of reg_rtx when recording
1200 input reloads. Set or clear reg_reloaded_call_part_clobbered
1201 at the same time as setting reg_reloaded_valid.
1202 (delete_output_reload): Add a new_reload_reg parameter and use it
1203 instead of rld[j].reg_rtx.
1204 (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
1207 2008-03-25 Tom Tromey <tromey@redhat.com>
1209 * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
1210 (build/genattr.o): Likewise.
1211 (build/genattrtab.o): Likewise.
1212 (build/gencodes.o): Likewise.
1213 (build/genconfig.o): Likewise.
1214 (build/genconstants.o): Likewise.
1215 (build/genemit.o): Likewise.
1216 (build/genextract.o): Likewise.
1217 (build/genflags.o): Likewise.
1219 2008-03-25 Bob Wilson <bob.wilson@acm.org>
1221 * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
1222 instead of size_int for integer types.
1223 (xtensa_gimplify_va_arg_expr): Likewise. Convert index to sizetype
1224 to match type of MINUS_EXPR.
1226 2008-03-25 Tom Tromey <tromey@redhat.com>
1228 * configure: Rebuilt.
1229 * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
1232 2008-03-25 Tom Tromey <tromey@redhat.com>
1234 * config/x-solaris (host-solaris.o): Update.
1235 * config/x-linux (host-linux.o): Update.
1236 * config/x-hpux (host-hpux.o): Update.
1237 * config/x-darwin (host-darwin.o): Update.
1238 * config/v850/t-v850e (v850-c.o): Update.
1239 * config/v850/t-v850 (v850-c.o): Update.
1240 * config/t-vxworks (vxworks.o): Update.
1241 * config/t-sol2 (sol2-c.o, sol2.o): Update.
1242 * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
1243 * config/spu/t-spu-elf (spu-c.o): Update.
1245 * config/sh/t-symbian (sh-c.o): Update.
1246 (symbian.o): Update.
1247 * config/sh/t-sh (sh-c.o): Update.
1248 * config/score/t-score-elf (score7.o, score3.o): Update.
1249 * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
1250 * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
1251 * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
1252 * config/rs6000/t-rs6000 (rs6000-c.o): Update.
1254 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
1255 * config/m32c/t-m32c (m32c-pragma.o): Update.
1256 * config/ia64/t-ia64 (ia64-c.o): Update.
1257 * config/i386/x-mingw32 (host-mingw32.o): Update.
1258 * config/i386/x-i386 (driver-i386.o): Update.
1259 * config/i386/x-darwin (host-i386-darwin.o): Update.
1260 * config/i386/x-cygwin (host-cygwin.o): Update.
1261 * config/i386/t-nwld (nwld.o): Update.
1262 * config/i386/t-netware (netware.o): Update.
1263 * config/i386/t-interix (winnt.o): Update.
1264 * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
1265 * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
1266 msformat-c.o): Update.
1267 * config/bfin/t-bfin-linux (generated_files): Add
1268 linux-sysroot-suffix.h.
1269 * config/arm/t-wince-pe (pe.o): Update.
1270 * config/arm/t-strongarm-pe (pe.o): Update.
1271 * config/arm/t-pe (pe.o): Update.
1272 * config/arm/t-arm (arm-c.o): Update.
1273 * doc/install.texi (Prerequisites): Require make 3.80.
1274 * Makefile.in: Remove .o targets.
1275 (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
1276 (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
1277 (simple_generated_h, simple_generated_c): Move earlier.
1278 (generated_files): New variable.
1279 (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
1280 TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
1281 BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
1282 ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
1283 REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
1284 CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
1285 CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
1286 INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
1287 PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
1288 TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
1289 DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
1290 VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
1292 (COMPILE.base, COMPILE): New variables.
1293 (%.o): New pattern rule.
1294 (ALL_HOST_OBJS): New variable.
1295 (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
1296 (dummy-checksum.o, cc1-checksum.o): Remove.
1297 (DRIVER_SHLIB): New variable.
1298 (DRIVER_DEFINES): Use it.
1299 (gencondmd.c): Move out of build/.
1300 (s-conditions): Update.
1301 (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
1302 (ALL_BUILD_OBJS): Likewise.
1303 (build/%.o): Use BUILDCOMPILE.
1304 (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
1305 build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
1306 build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
1307 build/gencheck.o, build/gencodes.o, build/genconditions.o,
1308 build/genconfig.o, build/genconstants.o, build/genemit.o,
1309 build/genextract.o, build/genflags.o, build/genmddeps.o,
1310 build/genopinit.o, build/genoutput.o, build/genpeep.o,
1311 build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
1312 build/gen-protos.o, build/scan.o, build/fix-header.o,
1313 build/scan-decls.o): Simplify.
1314 (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
1315 cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
1316 prefix.o, toplev.o): Reduce to variable setting.
1317 (libbackend.o): Use COMPILE. Remove most dependencies. Move later.
1318 ($(out_object_file), gcc-options.o): New targets.
1319 ($(ALL_HOST_OBJS)): New target. Include dependency files.
1320 * configure: Rebuilt.
1321 * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
1322 * doc/sourcebuild.texi (Front End Directory): Document new variable.
1324 2008-03-25 Douglas Gregor <doug.gregor@gmail.com>
1326 * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
1327 complain when we hit an error, return ERROR_MARK_NODE.
1329 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
1331 * config/sh/constraints.md (Pso, Psz): New constraints.
1332 * config/sh/sh.c (print_operand): Add %V and %W operand codes.
1333 * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
1335 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
1337 * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
1338 * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
1340 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
1342 * config/sh/sh.md (prefetch): Add condition for SH2A target.
1343 (prefetch_sh2a): New.
1345 2008-03-25 Jayant Sonar <Jayant.sonar@kpitcummins.com>
1346 Naveen.H.S <naveen.hs@kpitcummins.com>
1348 * config/sh/constraints.md (I28): New constraint.
1349 * config/sh/sh.c (broken_move): Add support for movi20s.
1350 * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
1352 2008-03-25 Anil Paranjape <anil.paranjape@kpitcummins.com>
1353 Jayant Sonar <Jayant.sonar@kpitcummins.com>
1354 Naveen.H.S <naveen.hs@kpitcummins.com>
1356 * config/sh/sh.c (SH_ATTRIBUTES): Define.
1357 (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
1358 (print_operand): Handle resbank in %@ operand code.
1359 (sh_encode_section_info): New.
1360 (push_regs): Add conditions for resbank.
1361 (sh_expand_epilogue): Likewise.
1362 (sh_insert_attributes): Likewise.
1363 (sh_attribute_table): Likewise.
1364 (sh_handle_resbank_handler_attribute): New.
1365 (sh2a_handle_function_vector_handler_attribute): New.
1366 (sh2a_is_function_vector_call): New.
1367 (sh2a_get_function_vector_number): New.
1368 (sh2a_function_vector_p): New.
1369 (sh_cfun_resbank_handler_p): New.
1370 * config/sh/sh.md (calli): Emit jsr/n if possible.
1371 (calli_tbr_rel): New.
1372 (calli_pcrel): Emit jsr/n if possible.
1373 (return_i): Emit rts/n if possible.
1374 (call_valuei_tbr_rel): New.
1375 (call_valuei_pcrel): Add condition for SH2A target.
1376 (call_value): Likewise.
1377 * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
1378 (sh2a_get_function_vector_number): Likewise.
1379 (sh2a_is_function_vector_call): Likewise.
1380 * doc/extend.texi: Document TBR relative addressing of SH2A.
1381 (resbank): Add description for SH2A.
1383 2008-03-24 Richard Guenther <rguenther@suse.de>
1386 * gimplify.c (gimplify_modify_expr): For frontend type-correct
1387 pointer assignments change conversions according to middle-end rules.
1388 (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
1389 * configure.ac: Include type checking in yes.
1390 * configure: Regenerate.
1392 2008-03-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1394 * diagnostic.c (diagnostic_count_diagnostic): Delete.
1395 (diagnostic_report_diagnostic): Update. Handle ICEs here.
1397 2008-03-24 Nathan Sidwell <nathan@codesourcery.com>
1399 * gthr-vxworks.h (UNUSED): Define.
1401 2008-03-23 H.J. Lu <hongjiu.lu@intel.com>
1403 * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
1405 2008-03-23 Zuxy Meng <zuxy.meng@gmail.com>
1407 * doc/extend.texi (Function Attributes): Add missing comma in the
1408 example of the "alloc_size" attribute.
1410 2008-03-23 Uros Bizjak <ubizjak@gmail.com>
1413 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
1415 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1418 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
1421 * stor-layout.c (update_alignment_for_field): Set minimum alignment
1422 of the underlying type of a MS bitfield layout to the natural
1423 alignment of the type.
1425 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
1427 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1428 to their natural alignment to avoid store forwarding stalls.
1430 2008-03-22 Richard Guenther <rguenther@suse.de>
1432 * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
1433 For PHI nodes verify the address is invariant.
1434 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
1435 (get_symbol_constant_value): Use is_gimple_min_invariant.
1436 (maybe_fold_stmt_indirect): Likewise.
1438 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
1440 PR rtl-optimization/33927
1441 * Makefile.in (dse.o): Depend on $(TM_P_H).
1442 * expr.h (extract_low_bits): Declare.
1443 * expmed.c (extract_low_bits): New function.
1444 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
1445 * dse.c: Include tm_p.h.
1446 (find_shift_sequence): Remove the read_reg argument and return the
1447 read value. Emit the instructions instead of returning them.
1448 Iterate on new_mode rather than calculating it each time.
1449 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
1450 source to NEW_MODE and extract_low_bits to convert the shifted
1452 (replace_read): Allow the load and store to have different mode
1453 classes. Use extract_low_bits when SHIFT == 0. Create the shift
1454 or extraction instructions before trying the replacement. Update
1455 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
1457 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
1459 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1460 to their natural alignment to avoid store forwarding stalls.
1462 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
1465 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
1466 encouraging but not allowing gprs for input;
1467 change the input constraint to !f#r.
1468 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
1470 change the output constraint to !f#r.
1472 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
1475 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
1476 corresponding post-reload splitters.
1477 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
1478 when x87 FP math is selected.
1479 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
1480 New function prototype.
1481 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
1482 unreachable function to ease macroization of insn patterns.
1484 2008-03-21 Martin Jambor <mjambor@suse.cz>
1486 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
1487 reference dumps if ddr is NULL or dependence is unknown.
1489 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1491 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
1492 unsigned extension into account.
1493 (ATOMIC_COMPARE_AND_SWAP): Likewise.
1494 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
1495 Do computations on a scratch register.
1497 2008-03-21 Richard Guenther <rguenther@suse.de>
1499 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1500 Use is_gimple_min_invariant instead of TREE_INVARIANT.
1501 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
1502 * tree-ssa-dom.c (record_equality): Likewise.
1503 * tree-inline.c (copy_body_r): Likewise.
1504 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
1507 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1509 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
1510 as 'delete_unused' argument.
1512 2008-03-20 Richard Guenther <rguenther@suse.de>
1514 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1515 special casing of constant qualifiers.
1516 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
1517 care about them in general.
1518 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
1519 regardless of their type.
1520 (fold_stmt_r): Forcefully fold *& if we end up with that.
1522 2008-03-20 Paul Brook <paul@codesourcery.com>
1524 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
1525 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
1527 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
1529 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
1530 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
1532 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
1534 * common.opt (Wmudflap): New option.
1535 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
1536 (mx_register_decls): Likewise.
1537 (mudflap_finish_file): Likewise.
1538 * doc/invoke.texi: Document -Wno-mudflap.
1540 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
1542 * c-format.c (replace_format_name_to_system_name): New.
1544 (convert_format_name_to_system_name): New.
1545 (decode_format_attr): Add use of convert_format_name_to_system_name.
1546 (format_types_orig): Add gnu_ prefix to names.
1547 (check_format_info_main): Special treating of \0 escaped names for
1548 supporting multi-character format specifiers as I32, I64.
1549 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
1550 (gnu_target_overrides_format_attributes): New.
1551 * c-format.h: Add structure target_ovr_attr to hold
1552 system specific formatter names.
1553 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
1554 msformat-c.o file to c_target_objs and cxx_target_objs.
1555 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1556 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
1557 (TARGET_N_FORMAT_TYPES): New.
1558 * config/i386/msformat-c.c: New.
1559 * config/i386/t-cygming: Add build rule for msformat-c.o.
1560 * doc/extend.texi: Add new format names gnu_* and ms_* and
1562 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1564 2008-03-20 Ira Rosen <irar@il.ibm.com>
1566 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
1567 optimizations turned on under -O3.
1568 (ftree-vectorize): Add that the flag is turned on with -O3.
1570 2008-03-20 Ben Elliston <bje@au.ibm.com>
1572 * regmove.c (try_auto_increment): Fix spelling error in comment.
1573 * final.c (final_scan_insn): Likewise.
1575 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
1578 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
1579 allocator preferences for "y" and "r" class registers.
1580 ("*mov<mode>_internal"): Ditto.
1581 ("*movv2sf_internal_rex64"): Ditto.
1582 ("*movv2sf_internal"): Ditto.
1584 2008-03-19 Michael Matz <matz@suse.de>
1587 * calls.c (expand_call): Check overlap of arguments with call
1588 address for sibcalls.
1590 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
1593 * stor-layout.c (update_alignment_for_field): Set minimum alignment
1594 of the underlying type of a MS bitfield layout to the natural
1595 alignment of the type.
1597 2008-03-19 Jan Hubicka <jh@suse.cz>
1600 * toplev.c (decode_d_option): Handle all CPP flags.
1601 * tree-vrp.c: Update tree_pass descriptors.
1602 * regrename.c: Update tree_pass descriptors.
1603 * fwprop.c: Update tree_pass descriptors.
1604 * doc/invoke.texi: Remove documentation of dropped -d? flags.
1605 * tree-into-ssa.c: Update tree_pass descriptors.
1606 * tree-dump.c: Update tree_pass descriptors.
1607 * tree-complex.c: Update tree_pass descriptors.
1608 * tree-dump.h: Update tree_pass descriptors.
1609 * see.c: Update tree_pass descriptors.
1610 * cgraphbuild.c: Update tree_pass descriptors.
1611 * tracer.c: Update tree_pass descriptors.
1612 * tree-loop-distribution.c: Update tree_pass descriptors.
1613 * cgraph.c: Update tree_pass descriptors.
1614 * postreload-gcse.c: Update tree_pass descriptors.
1615 * postreload.c: Update tree_pass descriptors.
1616 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1617 * tree-tailcall.c: Update tree_pass descriptors.
1618 * tree-pass.h (tree_opt_pass): Rename to ...
1619 (opt_pass) ... this one; add "type" field and remove letter field.
1620 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
1621 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
1622 all_lowering_passes): Update declaration.
1623 * ipa-cp.c: Update tree_pass descriptors.
1624 * final.c: Update tree_pass descriptors.
1625 * omp-low.c: Update tree_pass descriptors.
1626 * tree-ssa-dse.c: Update tree_pass descriptors.
1627 * ipa-reference.c: Update tree_pass descriptors.
1628 * tree-ssa-uncprop.c: Update tree_pass descriptors.
1629 * auto-inc-dec.c: Update tree_pass descriptors.
1630 * reorg.c: Update tree_pass descriptors.
1631 * cgraphunit.c: Update tree_pass descriptors.
1632 * tree-ssa-copyrename.c: Update tree_pass descriptors.
1633 * tree-ssa-ccp.c: Update tree_pass descriptors.
1634 * df-core.c: Update tree_pass descriptors.
1635 * mode-switching.c: Update tree_pass descriptors.
1636 * tree-nomudflap.c: Update tree_pass descriptors.
1637 * modulo-sched.c: Update tree_pass descriptors.
1638 * ipa-pure-const.c: Update tree_pass descriptors.
1639 * cse.c: Update tree_pass descriptors.
1640 * web.c: Update tree_pass descriptors.
1641 * tree-stdarg.c: Update tree_pass descriptors.
1642 * tree-ssa-math-opts.c: Update tree_pass descriptors.
1643 * tree-ssa-dom.c: Update tree_pass descriptors.
1644 * tree-nrv.c: Update tree_pass descriptors.
1645 * tree-ssa-alias.c: Update tree_pass descriptors.
1646 * loop-init.c: Update tree_pass descriptors.
1647 * gimple-low.c: Update tree_pass descriptors.
1648 * ipa-inline.c: Update tree_pass descriptors.
1649 * tree-ssa-sink.c: Update tree_pass descriptors.
1650 * global.c: Update tree_pass descriptors.
1651 * ifcvt.c: Update tree_pass descriptors.
1652 * jump.c: Update tree_pass descriptors.
1653 * predict.c: Update tree_pass descriptors.
1654 * tree-ssa-loop.c: Update tree_pass descriptors.
1655 * recog.c: Update tree_pass descriptors.
1656 * dse.c: Update tree_pass descriptors.
1657 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
1658 * tree-eh.c: Update tree_pass descriptors.
1659 * regmove.c: Update tree_pass descriptors.
1661 * function.c: Update tree_pass descriptors.
1662 * tree-vectorizer.c: Update tree_pass descriptors.
1663 * gcse.c: Update tree_pass descriptors.
1664 * ipa-type-escape.c: Update tree_pass descriptors.
1665 * tree-if-conv.c: Update tree_pass descriptors.
1666 * init-regs.c: Update tree_pass descriptors.
1667 * ipa.c: Update tree_pass descriptors.
1668 * tree-ssa-phiopt.c: Update tree_pass descriptors.
1669 * rtl-factoring.c: Update tree_pass descriptors.
1670 * lower-subreg.c: Update tree_pass descriptors.
1671 * bt-load.c: Update tree_pass descriptors.
1672 * tree-dfa.c: Update tree_pass descriptors.
1673 * except.c: Update tree_pass descriptors.
1674 * emit-rtl.c: Update tree_pass descriptors.
1675 * cfgexpand.c: Update tree_pass descriptors.
1676 * tree-cfgcleanup.c: Update tree_pass descriptors.
1677 * cfgcleanup.c: Update tree_pass descriptors.
1678 * tree-ssa-pre.c: Update tree_pass descriptors.
1679 * tree-sra.c: Update tree_pass descriptors.
1680 * tree-mudflap.c: Update tree_pass descriptors.
1681 * tree-ssa-copy.c: Update tree_pass descriptors.
1682 * cfglayout.c: Update tree_pass descriptors.
1683 * tree-ssa-forwprop.c: Update tree_pass descriptors.
1684 * tree-ssa-dce.c: Update tree_pass descriptors.
1685 * tree-ssa.c: Update tree_pass descriptors.
1686 * regclass.c: Update tree_pass descriptors.
1687 * integrate.c: Update tree_pass descriptors.
1688 * tree-optimize.c: Update tree_pass descriptors.
1689 * tree-ssa-phiprop.c: Update tree_pass descriptors.
1690 * tree-object-size.c: Update tree_pass descriptors.
1691 * combine.c: Update tree_pass descriptors.
1692 * tree-outof-ssa.c: Update tree_pass descriptors.
1693 * bb-reorder.c: Update tree_pass descriptors.
1694 * stack-ptr-mod.c: Update tree_pass descriptors.
1695 * var-tracking.c: Update tree_pass descriptors.
1696 * tree-profile.c: Update tree_pass descriptors.
1697 * tree-vect-generic.c: Update tree_pass descriptors.
1698 * reg-stack.c: Update tree_pass descriptors.
1699 * sched-rgn.c: Update tree_pass descriptors.
1700 * tree-ssa-structalias.c: Update tree_pass descriptors.
1701 * tree-cfg.c: Update tree_pass descriptors.
1702 * passes.c (current_pass): Update declaration.
1703 (finish_optimization_passes): Update.
1704 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
1705 (register_one_dump_file, register_dump_files_1, next_pass_1):
1707 (init_optimization_passes): Update handling of new types.
1708 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
1709 * ipa-struct-reorg.c: Update tree_pass descriptors.
1710 * tree-ssa-reassoc.c: Update tree_pass descriptors.
1711 * combine-stack-adj.c: Update tree_pass descriptors.
1712 * cfgrtl.c: Update tree_pass descriptors.
1713 * dce.c: Update tree_pass descriptors.
1714 * tree-ssanames.c: Update tree_pass descriptors.
1716 2008-03-19 Richard Guenther <rguenther@suse.de>
1719 * tree-ssa.c (walk_data): New structure.
1720 (warn_uninitialized_var): If not always_executed warn with "maybe"
1722 (execute_early_warn_uninitialized): Compute post-dominators.
1723 Initialize always_executed before processing each basic block.
1725 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
1728 * config/i386/i386.c (x86_this_parameter): Calculate correct location
1729 of "this" pointer when "regparm = N" or "fastcall" is in effect.
1731 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1733 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1735 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
1737 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1739 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1740 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1741 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
1742 target after ignore has been set, and move there also the commputation
1743 of subtarget and original_target.
1744 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1745 (LANG_HOOKS_INITIALIZER): Remove it.
1746 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1748 2008-03-18 Richard Guenther <rguenther@suse.de>
1750 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1751 found an expression with constants, note that in the VN for the lhs.
1752 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1753 fold them to constants if possible. Run cleanup_cfg if done so.
1754 (execute_pre): Return todo.
1756 (execute_fre): Likewise.
1757 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1759 (get_prop_source_stmt): Look through pointer conversions.
1761 2008-03-18 Jan Hubicka <jh@suse.cz>
1763 * tree-pretty-print.c: Include predict.h.
1764 (dump_generic_node): Dump predictor.
1765 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1766 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1767 * gimple-low.c (lower_stmt): Likewise.
1768 * expr.c (expand_expr_real): Likewise.
1769 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1771 (build_predict_expr, build_predict_expr): New.
1772 * predict.h (predictor_name, build_predict_expr): Update.
1773 * c-typeck.c (c_finish_bc_stmt): Add prediction.
1774 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1775 * predict.def (PRED_CONTINUE): Update hitrate.
1776 * tree.def (PREDICT_EXPR): Define.
1777 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1778 do not handle BIND_EXPR.
1779 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1780 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1781 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1784 2008-03-18 Michael Matz <matz@suse.de>
1786 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1788 2008-03-18 Richard Guenther <rguenther@suse.de>
1790 * tree-gimple.h (is_gimple_invariant_address): Declare.
1791 (is_gimple_constant): Likewise.
1792 * tree-gimple.c (is_gimple_constant): New function.
1793 (is_gimple_invariant_address): Likewise.
1794 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1795 and is_gimple_invariant_address.
1796 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1798 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1799 an addressable base.
1801 2008-03-18 Jakub Jelinek <jakub@redhat.com>
1804 * gimplify.c (gimplify_expr): Gimplify second operand of
1807 2008-03-17 Richard Guenther <rguenther@suse.de>
1809 PR tree-optimization/19637
1810 * fold-const.c (fold_unary): Remove restrictions of removing
1811 intermediate pointer-conversions (P2)(P1)P0.
1812 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1813 conversion to void pointer.
1814 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1816 2008-03-16 James E. Wilson <wilson@tuliptree.org>
1819 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1820 emulated thread local variables.
1822 2008-03-16 Richard Guenther <rguenther@suse.de>
1825 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1826 expand TREE_INVARIANT operations that are not gimple invariant.
1828 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
1830 * doc/extend.texi (Alignment): Say that the ABI controls
1831 the __alignof__ for non-strict-alignment targets rather
1832 than being a recommendation.
1834 2008-03-15 Paul Brook <paul@codesourcery.com>
1836 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1838 (arm_output_fn_unwind): Mark functions that can not be unwound.
1840 2008-03-15 Paul Brook <paul@codesourcery.com>
1842 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1843 extension instructions.
1845 2008-03-15 Richard Guenther <rguenther@suse.de>
1847 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1848 and fold constant aggregate refs.
1849 (fold_const_aggregate_ref): Handle string constants
1850 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
1851 (evaluate_stmt): Simplify now that ccp_fold folds constant
1854 2008-03-15 Paul Brook <paul@codesourcery.com>
1856 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1857 (extzv): Use gen_extzv_t2.
1858 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1860 2008-03-15 Richard Guenther <rguenther@suse.de>
1862 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1863 (fold_const_aggregate_ref): Likewise.
1864 (get_value): Return NULL if we don't have any values.
1865 (ccp_finalize): Set const_val to NULL after freeing it.
1866 * tree-flow.h (get_symbol_constant_value): Declare.
1867 (fold_const_aggregate_ref): Likewise.
1868 * tree-ssa-sccvn.c (try_to_simplify): Use them.
1870 2008-03-15 Richard Guenther <rguenther@suse.de>
1873 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1874 to not produce negative array indices if not allowed. Add
1875 parameter to indicate that.
1876 (maybe_fold_offset_to_component_ref): Allow negative array
1877 indices only for the first member of a structure.
1878 (maybe_fold_offset_to_reference): Allow negative array indices.
1879 (maybe_fold_stmt_addition): Likewise.
1881 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
1882 Anatoly Sokolov <aesok@post.ru>
1884 * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1885 (avr_arch): Add ARCH_AVR6.
1886 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1887 (initial_elimination_offset): Initialize and use 'avr_pc_size'
1888 instead of fixed value 2.
1889 (print_operand_address): Use gs() asm specifier instead of pm().
1890 (avr_assemble_integer): (Ditto.).
1891 (avr_output_addr_vec_elt): (Ditto.).
1892 (print_operand): Handle "!" code.
1893 * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
1894 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1895 (AVR_HAVE_EIJMP_EICALL): Define.
1896 (AVR_3_BYTE_PC): Redefine.
1897 (AVR_2_BYTE_PC): (Ditto.).
1898 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1899 (LINK_SPEC): Add atmega2560 and atmega2561.
1900 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
1902 * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
1903 for 3 byte PC devices.
1904 (call_value_insn): (Ditto.).
1905 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1906 (indirect_jump): Use only for for 2 byte PC devices.
1907 (*tablejump): (Ditto.).
1908 (*indirect_jump_avr6): Add insn.
1909 (*tablejump_rjmp): Don't use for 3 byte PC devices.
1910 * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
1911 instead of ijmp for 3 byte PC devices.
1912 (__tablejump2__): (Ditto.).
1913 * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1914 (MULITLIB_DIRNAMES): (Ditto.).
1915 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1917 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
1919 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1920 "sse2_umulsidi3". Use V1DI mode for operand 0.
1921 ("mmx_psadbw"): Use V1DI mode for operand 0.
1922 * config/i386/i386-modes.def (V1SI): New vector mode.
1923 * config/i386/i386.c (struct builtin_description)
1924 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1925 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1926 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1927 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1928 v1di_ftype_v8qi_v8qi type.
1929 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1931 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1932 __builtin_ia32_pmuludq]: Fix the mode of return value.
1934 2008-03-15 Richard Guenther <rguenther@suse.de>
1937 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1940 2008-03-14 Bob Wilson <bob.wilson@acm.org>
1942 * doc/invoke.texi (Option Summary, Xtensa Options): Document
1943 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1944 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1945 unless TARGET_SERIALIZE_VOLATILE is enabled.
1946 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1947 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1948 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1950 2008-03-14 Richard Guenther <rguenther@suse.de>
1952 PR tree-optimization/34172
1953 * tree-flow.h (refs_may_alias_p): Declare.
1954 (get_single_def_stmt): Likewise.
1955 (get_single_def_stmt_from_phi): Likewise.
1956 (get_single_def_stmt_with_phi): Likewise.
1957 * tree-dfa.c (refs_may_alias_p): New function.
1958 (get_single_def_stmt): Likewise.
1959 (get_single_def_stmt_from_phi): Likewise.
1960 (get_single_def_stmt_with_phi): Likewise.
1961 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1962 (vn_reference_lookup_1): New helper function.
1963 (vn_reference_lookup): Walk the virtual use-def chain to
1964 continue searching for a match if the def does not alias the
1965 reference we are looking for.
1967 2008-03-14 David Edelsohn <edelsohn@gnu.org>
1969 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
1970 archive and Perzl. Update The Written Word listing.
1972 2008-03-14 Richard Guenther <rguenther@suse.de>
1974 PR tree-optimization/34043
1975 PR tree-optimization/33989
1976 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1978 (bitmap_find_leader): Use extra argument to verify dominance
1979 relationship inside a basic-block.
1980 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1981 (find_leader_in_sets): Adjust.
1982 (create_component_ref_by_pieces): Take extra argument for
1983 dominance check, handle lookup failures.
1984 (find_or_generate_expression): Likewise.
1985 (create_expression_by_pieces): Likewise.
1986 (insert_into_preds_of_block): Adjust.
1987 (create_value_expr_from): If asked for, verify all operands
1988 are in the blocks AVAIL_OUT set.
1989 (make_values_for_stmt): Check for SSA_NAMEs that are life
1990 over an abnormal edge.
1991 (compute_avail): Remove such check.
1992 (do_SCCVN_insertion): New function.
1993 (eliminate): If we do not find a leader suitable for replacement
1994 insert a replacement expression from SCCVN if available.
1995 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1996 (struct vn_ssa_aux): Add needs_insertion flag.
1997 * tree-ssa-sccvn.c (may_insert): New global flag.
1998 (copy_reference_ops_from_ref): Value-number union member access
1999 based on its size, not type and member if insertion is allowed.
2000 (visit_reference_op_load): For a weak match from union type
2001 punning lookup a view-converted value and insert a SSA_NAME
2002 for that value if that is not found.
2003 (visit_use): Make dumps shorter. Do not disallow value numbering
2004 SSA_NAMEs that are life over an abnormal edge to constants.
2005 (free_scc_vn): Release inserted SSA_NAMEs.
2006 (run_scc_vn): New flag to specify whether insertion is allowed.
2007 Process SSA_NAMEs in forward order.
2008 * tree-ssa-loop-im.c (for_each_index): Handle invariant
2009 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
2010 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
2011 pointer type to/from integral types that do not change the
2012 precision to regular conversions.
2014 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
2016 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2017 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2018 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
2019 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
2020 input arguments and the mode of return value. Built-in functions
2021 that operate on whole 64-bit MMX register now use V1DI mode.
2023 2008-03-13 Alon Dayan <alond@il.ibm.com>
2024 Olga Golovanevsky <olga@il.ibm.com>
2026 PR tree-optimization/35041
2027 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
2028 to locate the right position in a statement.
2030 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
2034 * config/i386/xmmintrin.h: Change all static inline functions to
2035 extern inline and add __gnu_inline__ attribute.
2036 * config/i386/bmintrin.h: Ditto.
2037 * config/i386/smmintrin.h: Ditto.
2038 * config/i386/tmmintrin.h: Ditto.
2039 * config/i386/mmintrin-common.h: Ditto.
2040 * config/i386/ammintrin.h: Ditto.
2041 * config/i386/emmintrin.h: Ditto.
2042 * config/i386/pmmintrin.h: Ditto.
2043 * config/i386/mmintrin.h: Ditto.
2044 * config/i386/mm3dnow.h: Ditto.
2046 2008-03-13 Jakub Jelinek <jakub@redhat.com>
2049 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
2050 (lower_omp_2): New function.
2051 (lower_omp_1, lower_omp): Rewritten.
2053 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
2056 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
2057 with the phrase "Microsoft Windows compilers".
2058 (Push/Pop Macro Pragmas): New subsection. Document
2059 #pragma push_macro and pragma pop_macro.
2061 2008-03-12 Paul Brook <paul@codesourcery.com>
2063 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
2065 2008-03-12 Paul Brook <paul@codesourcery.com>
2067 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
2068 (thumb2_alusi3_short): Exclude PLUS and MINUS.
2069 (thumb2_addsi_shortim): Rename ...
2070 (thumb2_addsi_short): ... to this. Allow register operands.
2071 (thumb2_subsi_short): New pattern.
2072 (thumb2_one_cmplsi2_short,
2073 thumb2_negsi2_short): New patterns and peepholes.
2075 2008-03-12 Paul Brook <paul@codesourcery.com>
2077 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
2079 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
2081 * config/i386/i386.md (int_cond): New code iterator.
2083 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
2084 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
2085 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
2086 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
2087 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
2088 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
2089 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
2090 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
2092 2008-03-12 Paul Brook <paul@codesourcery.com>
2094 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
2095 instead of {arm,thumb}_compute_save_reg_mask.
2096 (output_return_instruction): Ditto.
2097 (thumb_unexpanded_epilogue): Ditto.
2098 (thumb1_expand_prologue): Ditto.
2099 (thumb1_output_function_prologue): Ditto.
2100 (arm_set_return_address): Ditto.
2101 (thumb_set_return_address): Ditto.
2102 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
2103 regs to achieve stack alignment.
2104 (thumb1_compute_save_reg_mask): Fix compiler warning.
2105 (arm_output_epilogue): Use offsets->saved_regs_mask.
2106 Adjust stack pointer by poping call clobered registers.
2107 (arm_expand_prologue): Use offsets->saved_regs_mask.
2108 Adjust stack pointer by pushing extra registers.
2109 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
2111 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
2114 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
2115 conversion to the operands of a multiplication.
2117 2008-03-12 Richard Guenther <rguenther@suse.de>
2119 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
2120 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
2121 * timevar.def (TV_TREE_PHIPROP): Add.
2122 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
2123 pass description. Use TV_TREE_PHIPROP.
2124 * tree-ssa-forwprop.c: Remove phiprop code.
2126 2008-03-12 Jakub Jelinek <jakub@redhat.com>
2129 * omp-low.c (maybe_lookup_decl): Constify first argument.
2130 (use_pointer_for_field): Change last argument from bool to
2131 omp_context *. Disallow shared copy-in/out in nested
2132 parallel if decl is shared in outer parallel too.
2133 (build_outer_var_ref, scan_sharing_clauses,
2134 lower_rec_input_clauses, lower_copyprivate_clauses,
2135 lower_send_clauses, lower_send_shared_vars): Adjust callers.
2137 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
2138 Ira Rosen <irar@il.ibm.com>
2140 * tree-vectorizer.c (free_stmt_vec_info): New function.
2141 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
2142 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
2143 * tree-vectorizer.h (free_stmt_vec_info): Declare.
2144 * tree-vect-transform.c (vectorizable_conversion): Free
2145 vec_oprnds0 if it was allocated.
2146 (vect_permute_store_chain): Remove unused VECs.
2147 (vectorizable_store): Free VECs that are allocated in the..
2149 (vect_transform_strided_load, vectorizable_load): Likewise.
2150 (vect_remove_stores): Simplify the code.
2151 (vect_transform_loop): Move code to vect_remove_stores().
2152 Call vect_remove_stores() and free_stmt_vec_info().
2154 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2156 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
2157 TARGET_HPUX. Revise comment.
2158 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
2159 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
2160 Use sr4 variant of `be' instruction when not generating PIC code.
2161 (attr_length_call): Adjust for above change.
2163 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2165 * ipa-reference.c (static_execute): Remove module_statics_const and
2166 associated setting code.
2168 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
2171 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
2172 predicate for operand 1.
2173 (paritysi2_cmp): Use register_operand predicate for operand 2.
2174 Use earlyclobber modifier for operand 1. Remove support for
2176 (paritydi2_cmp): Use register_operand predicate for operand 3.
2177 Use earlyclobber modifier for operand 1. Remove support for
2180 2008-03-11 Paul Brook <paul@codesourcery.com>
2181 Vladimir Prus <vladimir@codesourcery.com>
2183 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
2184 (arm_compute_save_reg0_reg12_mask): Always
2185 check if register 11 must be saved. Always safe hard frame pointer
2186 when frame_pointer_needeed.
2187 (arm_compute_save_reg_mask): Save IP and PC
2188 only with apcs frames.
2189 (arm_output_epilogue): Adjust Thumb2 codepath to
2190 be also invoked and work for ARM non-apcs frames.
2191 (arm_expand_prologue): Don't bother saving IP
2192 for non-apcs frame, since it's not clobbered by
2193 prologue code. Implement non-apcs frame
2196 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
2198 PR rtl-optimization/35281
2199 * expr.c (convert_move): Use a new pseudo for the intermediate
2200 from_mode->word_mode result.
2202 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
2204 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
2205 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
2206 * toplev.c (compile_file): Don't call it.
2208 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
2211 * expr.c (store_expr): Call emit_block_move if the mode
2212 of "temp" RTX is BLKmode.
2214 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2215 Richard Guenther <rguenther@suse.de>
2217 PR tree-optimization/31358
2218 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
2219 the step with a NULL_TREE.
2220 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
2221 to sizetype if type is a pointer type.
2222 (add_candidate_1): Don't convert the base and step to
2223 the generic type if the orginal type is a pointer type.
2224 (add_iv_value_candidates): Use sizetype for the step
2225 if type is a pointer type.
2226 (cand_value_at): Likewise.
2227 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
2229 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
2230 Don't convert the tem affine to the type.
2231 (add_elt_to_tree): Use sizetype for the step if a pointer.
2232 Use POINTER_PLUS_EXPR for pointers.
2233 (aff_combination_to_tree): Use sizetype for the step if a
2236 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
2238 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
2239 Remove commutativity hint.
2241 2008-03-10 Jakub Jelinek <jakub@redhat.com>
2245 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
2246 errorneous type. Check that v is a VAR_DECL.
2249 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
2251 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
2253 PR tree-optimization/35494
2254 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
2255 may be overriden at link and run time.
2257 2008-03-10 Richard Guenther <rguenther@suse.de>
2259 PR tree-optimization/34677
2260 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
2261 (poolify_tree): Likewise.
2262 (modify_expr_template): Likewise.
2263 (poolify_modify_stmt): Likewise.
2264 (insert_fake_stores): Handle all component-ref style stores
2265 in addition to INDIRECT_REF. Also handle complex types.
2266 Do not poolify the inserted load.
2267 (realify_fake_stores): Do not rebuild the tree but only
2268 make it a SSA_NAME copy.
2269 (init_pre): Remove initialzation of modify_expr_template.
2270 Do not allocate modify_expr_node_pool.
2271 (fini_pre): Do not free modify_expr_node_pool.
2273 2008-03-10 Paul Brook <paul@codesourcery.com>
2275 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
2278 2008-03-10 Paul Brook <paul@codesourcery.com>
2279 Mark Shinwell <shinwell@codesourcery.com>
2281 * config/arm/cortex-r4.md: New.
2282 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
2284 * config/arm/arm.md: Include cortex-r4.md.
2285 (insn): Add smmls, sdiv and udiv values.
2286 (generic_sched): Don't use generic scheduling for Cortex-R4.
2287 (arm_issue_rate): New function.
2288 (TARGET_SCHED_ISSUE_RATE): Define.
2290 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
2292 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
2294 2008-03-10 Richard Guenther <rguenther@suse.de>
2296 * tree-ssa-pre.c (get_sccvn_value): Simplify.
2297 (compute_avail): Do not add stmt uses to AVAIL_OUT.
2299 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
2301 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
2302 Set default to true.
2304 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2306 * c.opt (Wsynth): Deprecate.
2307 * doc/invoke.texi (Option Summary, Warning Options): Document
2308 -Wno-format-contains-nul.
2310 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
2313 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
2314 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
2316 2008-03-09 Ira Rosen <irar@il.ibm.com>
2318 * config/rs6000/rs6000.c (builtin_description): Rename vector
2319 left shift operations.
2320 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
2321 (altivec_vsl<VI_char>): Rename to ...
2322 (ashl<mode>3): ... new name.
2323 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
2325 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
2327 2008-03-08 Richard Guenther <rguenther@suse.de>
2329 * coverage.h (tree_coverage_counter_addr): Declare.
2330 * coverage.c (tree_coverage_counter_addr): New function.
2331 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
2333 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
2334 (tree_gen_one_value_profiler): Likewise.
2335 (tree_gen_ic_profiler): Likewise.
2336 (tree_gen_average_profiler): Likewise.
2337 (tree_gen_ior_profiler): Likewise.
2339 2008-03-08 Richard Guenther <rguenther@suse.de>
2341 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
2342 (vn_binary_op_insert): Likewise.
2343 (vn_unary_op_lookup): Likewise.
2344 (vn_unary_op_insert): Likewise.
2345 (vn_nary_op_lookup): Declare.
2346 (vn_nary_op_insert): Likewise.
2347 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
2348 and binary hashes, use a single obstack for unary_op_pool
2350 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
2351 a single struct vn_nary_op_s. Store tree code length and
2352 a variable number of operands.
2353 (struct vn_reference_op_struct): Remove unused op2.
2354 (vn_reference_op_eq): Do not compare op2.
2355 (vn_reference_op_compute_hash): Do not compute hash of op2.
2356 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
2357 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
2358 with vn_nary_op_compute_hash.
2359 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
2360 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
2362 (vn_unary_op_insert, vn_binary_op_insert): Replace with
2364 (visit_unary_op): Call nary functions.
2365 (visit_binary_op): Likewise.
2366 (process_scc): Adjust for struct vn_tables_s changes.
2367 (allocate_vn_table): Likewise.
2368 (free_vn_table): Likewise.
2369 * tree-vn.c (vn_add): Call nary functions.
2370 (vn_lookup): Likewise.
2372 2008-03-08 Jakub Jelinek <jakub@redhat.com>
2375 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
2376 wdst back after sync_compare_and_swapqhi_internal.
2378 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
2381 * config/i386/i386-modes.def (V1DI): New vector mode.
2382 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
2383 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
2384 (MMXMODE248): Ditto.
2385 (MMXMODE): Add V1DI mode.
2386 (mmxvecsize): Change DI mode to V1DI mode.
2387 ("mov<mode>): Use MMXMODEI8 mode iterator.
2388 ("*mov<mode>_internal_rex64"): Ditto.
2389 ("*mov<mode>_internal"): Ditto.
2390 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
2391 ("mmx_sub<mode>3"): Ditto.
2392 ("mmx_adddi3"): Remove insn pattern.
2393 ("mmx_subdi3"): Ditto.
2394 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
2395 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
2396 ("mmx_ashl<mode>3"): Ditto.
2397 ("mmx_lshrdi3"): Remove insn pattern.
2398 ("mmx_ashldi3"): Ditto.
2399 * config/i386/i386.c (classify_argument): Handle V1DImode.
2400 (function_arg_advance_32): Ditto.
2401 (function_arg_32): Ditto.
2402 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
2403 mmx_addv1di3 insn pattern.
2404 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
2405 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
2406 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
2407 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
2408 Remove definitions of built-in functions.
2409 (V1DI_type_node): New node.
2410 (v1di_ftype_v1di_int): Ditto.
2411 (v1di_ftype_v1di_v1di): Ditto.
2412 (v2si_ftype_v2si_si): Ditto.
2413 (v4hi_ftype_v4hi_di): Remove node.
2414 (v2si_ftype_v2si_di): Ditto.
2415 (ix86_init_mmx_sse_builtins): Handle V1DImode.
2416 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
2417 Redefine builtins using def_builtin_const with *_ftype_*_int node.
2418 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
2419 Add new builtins using def_builtin_const.
2420 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
2421 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
2422 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
2423 * config/i386/mmintrin.h (__v1di): New typedef.
2424 (_mm_add_si64): Cast arguments to __v1di type.
2425 (_mm_sub_si64): Ditto.
2426 (_mm_sll_pi16): Cast __count to __v4hi type.
2427 (_mm_sll_pi32): Cast __count to __v2si type.
2428 (_mm_sll_si64): Cast arguments to __v1di type.
2429 (_mm_srl_pi16): Cast __count to __v4hi type.
2430 (_mm_srl_pi32): Cast __count to __v2si type.
2431 (_mm_srl_si64): Cast arguments to __v1di type.
2432 (_mm_sra_pi16): Cast __count to __v4hi type.
2433 (_mm_sra_pi32): Cast __count to __v2si type.
2434 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
2435 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
2436 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
2437 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
2438 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
2439 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
2440 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
2441 (_mm_srai_pi32): Use __builtin_ia32_psradi.
2442 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
2443 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2444 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2445 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
2447 2008-03-07 Joseph Myers <joseph@codesourcery.com>
2449 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
2451 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
2454 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
2455 reg+const addressing for Altivec modes. Don't generate reg+reg
2456 addressing for TFmode or TDmode quantities.
2458 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
2460 * c-common.c (vector_types_convertible_p): Call langhook
2461 instead of comptypes.
2463 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2466 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
2467 integral and scalar float variables which have a
2470 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
2472 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
2473 dwarf_register_span hook when emitting unwind information for
2474 register-to-memory saves.
2475 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
2476 (rs6000_frame_related): Remove call to spe_synthesize_frame.
2478 2008-03-06 Jakub Jelinek <jakub@redhat.com>
2480 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
2481 for the same VAR_DECL.
2483 2008-03-06 Tom Tromey <tromey@redhat.com>
2486 * doc/standards.texi (Standards): Don't mention treelang.
2487 * doc/invoke.texi (Overall Options): Don't mention treelang.
2488 * doc/install.texi (Prerequisites): Don't mention bison or
2490 (Configuration): Don't mention treelang.
2491 (Building): Likewise.
2492 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
2494 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
2496 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
2497 word-extractions out of a multi-word object.
2499 2008-03-06 Richard Guenther <rguenther@suse.de>
2501 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
2502 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
2503 result type and precision.
2504 * expr.c (get_inner_reference): Set unsignedp based on the result
2505 type of BIT_FIELD_REF.
2506 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
2507 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
2508 (try_instantiate_multiple_fields): Likewise. Use the correct type
2510 (sra_build_assignment): Likewise.
2511 (sra_build_elt_assignment): Likewise.
2512 (sra_explode_bitfield_assignment): Likewise.
2513 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
2514 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
2515 set BIT_FIELD_REF_UNSIGNED.
2516 (vectorizable_load): Likewise.
2518 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
2520 * cse.c (cse_extended_basic_block): Invalidate artificial defs
2523 2008-03-06 Richard Guenther <rguenther@suse.de>
2525 * alias.c (struct alias_set_entry): Move has_zero_child field
2526 to pack with alias_set.
2528 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
2530 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2533 2008-03-05 Ian Lance Taylor <iant@google.com>
2535 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
2537 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
2539 * fwprop.c (update_df): Support width and offset parameters of
2541 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
2542 global_conflicts): Change DF_REF_EXTRACT to either
2543 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
2544 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2545 * df-scan.c (df_ref_record, df_defs_record,
2546 df_ref_create_structure, df_def_record_1, df_uses_record,
2547 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
2548 df_bb_refs_collect, df_entry_block_defs_collect,
2549 df_exit_block_uses_collect): Support new width and offset fields.
2550 (ref_extract_pool): New storage pool.
2551 (df_free_ref): New function.
2552 (df_reg_chain_unlink, df_free_collection_rec,
2553 df_sort_and_compress_refs): Call df_free_ref.
2554 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
2556 (df_ref_create_structure): Allocate df_ref_extract if offset and
2557 width fields are used.
2558 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
2559 (df_uses_record): Get offset and width from ZERO_EXTRACT
2561 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
2562 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
2563 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2564 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
2565 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
2566 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2567 (df_ref_extract): New structure.
2568 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
2569 (df_ref_create): Add width and offset parameters.
2571 2008-03-05 Richard Guenther <rguenther@suse.de>
2573 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2574 Use ranges_overlap_p.
2575 (offset_overlaps_with_access): Rename
2576 to ranges_overlap_p and move ...
2577 * tree-flow-inline.h (ranges_overlap_p): ... here.
2579 * tree.h (get_inner_reference, handled_component_p): Update
2582 * tree.h (record_component_aliases, get_alias_set,
2583 alias_sets_conflict_p, alias_sets_must_conflict_p,
2584 objects_must_conflict_p): Move declarations ...
2585 * alias.h (record_component_aliases, get_alias_set,
2586 alias_sets_conflict_p, alias_sets_must_conflict_p,
2587 objects_must_conflict_p): ... here.
2588 Include coretypes.h.
2589 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
2591 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
2593 * cfg.c: Include tree-flow.h.
2594 (remove_edge_raw): Call redirect_edge_var_map_clear.
2595 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
2596 * tree-flow-inline.h (redirect_edge_var_map_def): New.
2597 (redirect_edge_var_map_result): New.
2598 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
2599 PENDING_STMT use with redirect_edge_var_map_*.
2600 * tree-ssa.c (edge_var_maps): New definition.
2601 (redirect_edge_var_map_add): New.
2602 (redirect_edge_var_map_clear): New.
2603 (redirect_edge_var_map_dup): New.
2604 (redirect_edge_var_map_vector): New.
2605 (redirect_edge_var_map_destroy): New.
2606 (ssa_redirect_edge): Replace PENDING_STMT use with
2607 redirect_edge_var_map_*.
2608 (flush_pending_stmts): Same.
2609 (delete_tree_ssa): Destroy edge var map.
2610 * tree-flow.h (struct _edge_var_map): New.
2611 Define edge_var_map vector type.
2612 Declare redirect_edge_var_map_* prototypes.
2613 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2614 * tree-cfg.c (reinstall_phi_args): Replace
2615 PENDING_STMT use with redirect_edge_var_map_*.
2617 2008-03-05 Richard Guenther <rguenther@suse.de>
2619 PR tree-optimization/35472
2620 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
2621 whose single use_stmt has a overlapping set of loaded and
2622 stored symbols as that use_stmt might be a noop assignment then.
2624 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2626 * gthr-rtems.h: Implement __gthread_mutex_destroy.
2628 2008-03-05 Richard Guenther <rguenther@suse.de>
2631 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
2632 should be constants.
2633 * tree-cfg.c (verify_expr): Verify it.
2634 * fold-const.c (fold_truthop): Remove code generating
2635 BIT_FIELD_REFs of structure bases.
2636 (fold_binary): Likewise.
2637 (fold_ternary): Position and size of BIT_FIELD_REFs are
2638 always host integers.
2639 (make_bit_field_ref): Remove.
2640 (optimize_bit_field_compare): Remove.
2641 (all_ones_mask_p): Remove.
2643 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
2646 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
2647 (split_block_and_df_analyze): New. Split basic block and rebuild
2649 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
2651 (split_pattern_seq): Likewise.
2652 (erase_matching_seqs): Likewise.
2653 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
2655 2008-03-04 Geoff Keating <geoffk@apple.com>
2657 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
2658 declaration and code.
2659 (tree_invalid_nonnegative_warnv_p): Likewise.
2661 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2663 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
2664 examples. Truncate option-names then causing overfull hbox.
2666 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2669 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2671 * configure: Rebuilt.
2673 2008-03-04 Rafael Espindola <espindola@google.com>
2675 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2676 (tree_unary_nonnegative_warnv_p): New.
2677 (tree_binary_nonnegative_warnv_p): New.
2678 (tree_single_nonnegative_warnv_p): New.
2679 (tree_invalid_nonnegative_warnv_p): New.
2680 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2682 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2685 * opts.c (handle_option): Postpone 'unknown option' errors only for
2688 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
2691 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2694 2008-03-04 Rafael Espindola <espindola@google.com>
2696 * fold-const.c (tree_unary_nonzero_warnv_p): New.
2697 (tree_binary_nonzero_warnv_p): New.
2698 (tree_single_nonzero_warnv_p): New.
2699 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
2701 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
2704 * fold-const.c (fold_cond_expr_with_comparison): Prevent
2705 transformations for modes that have signed zeros.
2706 * ifcvt.c (noce_try_abs): Ditto.
2708 2008-03-04 Joseph Myers <joseph@codesourcery.com>
2710 * config/i386/i386.c (override_options): Force
2711 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
2713 2008-03-04 Jan Hubicka <jh@suse.cz>
2716 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2719 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
2721 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
2722 label to probe the stack.
2724 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
2726 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2727 (__gthr_win32_mutex_destroy): Declare.
2728 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2729 __gthr_win32_mutex_destroy.
2730 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
2732 2008-03-03 Jan Hubicka <jh@suse.cz>
2735 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2736 aggressive on inlining cold calls.
2738 2008-03-03 Richard Guenther <rguenther@suse.de>
2740 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2741 struct copies into the expression table.
2742 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2743 (try_to_simplify): Likewise.
2744 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2745 integral and pointer arguments which do not change the
2746 precision to NOP_EXPRs.
2747 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2748 VIEW_CONVERT_EXPR case.
2750 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
2752 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2753 defined in a loop at depth 0 is invariant.
2754 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2755 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2756 be called at loop depth 0.
2758 2008-03-02 Jakub Jelinek <jakub@redhat.com>
2761 * gcc.c (process_command): Update copyright notice dates.
2762 * gcov.c (print_version): Likewise.
2763 * gcov-dump.c (print_version): Likewise.
2764 * mips-tfile.c (main): Likewise.
2765 * mips-tdump.c (main): Likewise.
2767 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2770 * c-common.c (flag_permissive): Delete.
2771 (constant_expression_warnings): Check flags first.
2772 (constant_expression_error): New.
2773 * c-common.h (flag_permissive): Delete.
2774 (constant_expression_error): Declare.
2775 * flags.h (flag_permissive): Declare. Update description.
2776 * diagnostic.c (pedwarn): Update.
2778 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2779 (permissive_error_kind): New.
2780 * toplev.c (flag_permissive): Define. Update description.
2781 * toplev.h (permissive_error_kind): Declare.
2782 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2783 (pedwarn_c90): Use pedantic_warning_kind.
2784 * c-opts.c (c_common_post_options): flag_permissive does not affect
2785 flag_pedantic_errors.
2787 2008-03-02 Joseph Myers <joseph@codesourcery.com>
2789 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2790 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2791 __absvsi2, __absvDI2): Use unsigned arithmetic.
2793 2008-03-02 Andi Kleen <ak@suse.de>
2794 Richard Guenther <rguenther@suse.de>
2796 * struct-equiv.c: Remove file.
2797 * cfg_cleanup.c (condjump_equiv_p): Remove.
2798 * Makefile.in (OBJS-common): Remove struct-equiv.o.
2799 (struct-equiv.o): Remove rule.
2800 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2801 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
2802 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2804 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
2806 * ifcvt.c (noce_process_if_block): Try to handle only the then
2807 block if the else block exists but isn't suitable.
2809 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
2812 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2813 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2814 regression from previous patch.
2816 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
2819 * gthr.h: Add __gthread_mutex_destroy as a function that must be
2821 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2822 * gthr-single.h (__gthread_mutex_destroy): Likewise.
2823 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2824 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2825 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2826 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2827 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2828 (__gthread_mutex_destroy_function): Rename to
2829 __gthread_mutex_destroy.
2830 * gthr-dce.h (__gthread_mutex_destroy): Call
2831 pthread_mutex_destroy.
2832 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2833 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2834 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2836 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
2838 * df-scan.c (df_ref_chain_change_bb): Simplify.
2839 (df_insn_change_bb): Add new_bb argument. Simplify. Call
2840 set_block_for_insn if there's any change.
2841 * df.h ((df_insn_change_bb): Fix prototype.
2842 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2843 df_insn_change_bb, don't call set_block_for_insn.
2844 * emit-rtl.c (reorder_insns): Likewise.
2845 * haifa-sched.c (move_insn): Likewise.
2847 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
2849 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2851 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
2853 * tree-flow-inline.h (next_readonly_imm_use): Return
2854 NULL_USE_OPERAND_P after the end.
2856 2008-03-01 Richard Guenther <rguenther@suse.de>
2858 PR tree-optimization/35411
2859 * tree-sra.c (sra_build_assignment): Split conversion to
2860 final type to a separate statement if we are not assigning
2863 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2865 * fold-const.c (fold_convertible_p): Correct the logic to follow
2866 that in fold_convert().
2868 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
2871 * tree-inline.c (build_duplicate_type): When we make a
2872 duplicate type, make it unique in the canonical types system.
2874 2008-02-29 Tom Tromey <tromey@redhat.com>
2876 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2877 input_file_stack_history, input_file_stack_restored): Remove.
2878 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2879 * input.h (struct file_stack): Remove.
2880 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2881 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2883 * diagnostic.h (struct diagnostic_context) <last_module>: Change
2885 (diagnostic_last_module_changed): Add 'map' argument.
2886 (diagnostic_set_last_function): Likewise.
2887 * diagnostic.c (undiagnostic_report_current_module): Iterate using
2888 line map, not input_file_stack.
2889 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2891 2008-02-29 Paul Brook <paul@codesourcery.com>
2893 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2895 2008-02-29 Paul Brook <paul@codesourcery.com>
2897 * config/arm/ieee754-df.S (muldf3): Use RET macros.
2899 2008-02-29 Richard Guenther <rguenther@suse.de>
2901 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2903 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2904 value for comparing for a store match.
2905 (simplify_unary_expression): Do nothing for SSA_NAMEs.
2906 (try_to_simplify): Do not do a full-blown reference lookup.
2908 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
2910 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2911 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2913 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2915 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
2917 * tree-loop-linear.c (try_interchange_loops): Compare memory access
2918 strides against cache sizes.
2920 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
2922 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2925 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
2927 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2928 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2929 is smaller than the original promoted value.
2930 (simplify_subreg): If OP is a SUBREG, try to preserve its
2931 SUBREG_PROMOTED_VAR_P information.
2933 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
2935 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2936 (VN_INFO_GET): Allocate new objects on the obstack.
2937 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
2938 for rpo_numbers_temp, for consistency.
2939 (free_scc_vn): Free the obstack.
2941 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
2943 * doc/invoke.texi: Document -ftree-loop-distribution.
2944 * tree-loop-distribution.c: New.
2945 * tree-pass.h (pass_loop_distribution): New.
2946 * graphds.h (struct graph): Add htab_t indices.
2947 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2948 * tree-vectorizer.c (rename_variables_in_loop): Extern.
2949 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2950 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2951 * tree-data-ref.c (debug_data_dependence_relations): New.
2952 (dump_data_dependence_relation): Also print data references.
2953 (free_data_ref): Extern.
2954 (same_access_functions): Moved...
2955 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2956 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2957 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2958 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2959 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2960 (stmts_from_loop): Skip LABEL_EXPR.
2961 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2963 (build_rdg): Initialize rdg->indices htab.
2964 (free_rdg, stores_from_loop, ref_base_address,
2965 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2966 have_similar_memory_accesses_1, ref_base_address_1,
2967 remove_similar_memory_refs): New.
2968 * tree-data-ref.h: Depend on tree-chrec.h.
2969 (debug_data_dependence_relations, free_data_ref): Declared.
2970 (same_access_functions): ... here.
2971 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2973 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2974 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2975 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2976 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2977 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2978 rdg_vertex_for_stmt): Declared.
2979 (struct rdg_edge): Add level.
2981 (free_rdg, stores_from_loop, remove_similar_memory_refs,
2982 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2984 (rdg_has_similar_memory_accesses): New.
2985 * tree-vect-analyze.c: Remove unused static decls.
2986 * lambda.h (dependence_level): New.
2987 * common.opt (ftree-loop-distribution): New.
2988 * tree-flow.h (mark_virtual_ops_in_bb,
2989 slpeel_tree_duplicate_loop_to_edge_cfg,
2990 rename_variables_in_loop): Declared.
2991 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2992 (OBJS-common): Add tree-loop-distribution.o.
2993 (tree-loop-distribution.o): New rule.
2994 * tree-cfg.c (mark_virtual_ops_in_bb): New.
2995 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2996 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2998 2008-02-28 Joseph Myers <joseph@codesourcery.com>
3001 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
3002 other than structures and unions.
3004 2008-02-28 Richard Guenther <rguenther@suse.de>
3007 2008-02-26 Richard Guenther <rguenther@suse.de>
3009 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3010 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3011 (lookup_decl_from_uid): Declare.
3012 (remove_decl_from_map): Likewise.
3013 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3014 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3015 (decl_for_uid_map): New global hashtable mapping DECL_UID
3017 (init_ttree): Allocate it.
3018 (insert_decl_to_uid_decl_map): New helper function.
3019 (make_node_stat): Insert new decls into the map.
3020 (copy_node_stat): Likewise.
3021 (lookup_decl_from_uid): New function.
3022 (remove_decl_from_map): Likewise.
3023 (print_decl_for_uid_map_statistics): New helper.
3024 (dump_tree_statistics): Call it.
3026 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3027 (referenced_var_iterator): Adjust.
3028 (FOR_EACH_REFERENCED_VAR): Adjust.
3029 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3030 (num_referenced_vars): Adjust.
3031 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3032 (first_referenced_var): Remove.
3033 (end_referenced_vars_p): Likewise.
3034 (next_referenced_var): Likewise.
3035 (referenced_var_iterator_set): New helper function.
3036 * tree-dfa.c (referenced_var_lookup): Adjust.
3037 (referenced_var_check_and_insert): Likewise.
3038 (remove_referenced_var): Likewise.
3039 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3040 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3041 (verify_call_clobbering): Likewise.
3042 (verify_memory_partitions): Likewise.
3043 (init_tree_ssa): Allocate bitmap instead of hashtable for
3045 (delete_tree_ssa): Adjust.
3046 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3047 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3048 (compute_tag_properties): Likewise.
3049 (set_initial_properties): Likewise.
3050 (find_partition_for): Likewise.
3051 (update_reference_counts): Likewise.
3052 (dump_may_aliases_for): Likewise.
3053 * tree-ssa-operands.c (add_virtual_operand): Likewise.
3054 (add_call_clobber_ops): Likewise.
3055 (add_call_read_ops): Likewise.
3056 (get_asm_expr_operands): Likewise.
3057 * tree-into-ssa.c (dump_decl_set): Likewise.
3058 (update_ssa): Likewise.
3059 * tree-sra.c (scan_function): Likewise.
3060 (decide_instantiations): Likewise.
3061 (scalarize_parms): Likewise.
3062 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3063 (dsa_named_for): Likewise.
3064 * tree-ssa-structalias.c (update_alias_info): Likewise.
3065 (merge_smts_into): Likewise.
3067 2008-02-27 David Daney <ddaney@avtrex.com>
3070 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
3071 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
3072 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
3073 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
3074 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
3076 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
3079 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
3080 (BUILT_IN_NEXTTOWARD): Remove.
3081 (BUILT_IN_NEXTTOWARDF): Ditto.
3082 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
3083 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
3085 2008-02-27 Tom Tromey <tromey@redhat.com>
3087 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
3088 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
3090 2008-02-27 Jan Beulich <jbeulich@novell.com>
3092 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
3093 update the respective field on newdecl.
3095 2008-02-27 Revital Eres <eres@il.ibm.com>
3097 PR rtl-optimization/34999
3098 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
3099 crossing edges that ends with a call insn.
3100 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
3101 call insn and clear the EDGE_CROSSING flag of the crossing edge
3102 when fixing fallthru edges.
3104 2008-02-27 Richard Guenther <rguenther@suse.de>
3107 * fold-const.c (fold_unary): Return the correct argument,
3108 converted to the result type.
3110 2008-02-27 Richard Guenther <rguenther@suse.de>
3113 * expr.c (expand_expr_real_1): Assert on rotates that operate
3115 * fold-const.c (fold_binary): Use the types precision, not the
3116 bitsize of the mode if folding rotate expressions. Build rotates
3117 only for full modes.
3119 2008-02-27 Jakub Jelinek <jakub@redhat.com>
3121 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
3123 * c-pragma.c (pragma_ns_name): New typedef.
3124 (registered_pp_pragmas): New variable.
3125 (c_pp_lookup_pragma): New function.
3126 (c_register_pragma_1): If flag_preprocess_only, do nothing
3127 for non-expanded pragmas, for expanded ones push pragma's
3128 namespace and name into registered_pp_pragmas vector.
3129 (c_invoke_pragma_handler): Register OpenMP pragmas even when
3130 flag_preprocess_only, don't register GCC pch_preprocess
3131 pragma if flag_preprocess_only.
3132 * c-opts.c (c_common_init): Call init_pragma even if
3133 flag_preprocess_only.
3134 * c-pragma.c (c_pp_lookup_pragma): New prototype.
3135 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
3136 cpp_register_pragma if flag_preprocess_only.
3138 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3141 * c-parser.c (c_parser_translation_unit): Warn for empty
3142 translation unit, not empty source file.
3144 2008-02-26 Paul Brook <paul@codesourcery.com>
3146 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
3147 operand for Thumb-2.
3148 * config/arm/arm.h (reg_class): Add CORE_REGS.
3149 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
3150 (BASE_REG_CLASS): Use CORE_REGS.
3151 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
3152 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
3153 (REGNO_OK_FOR_INDEX_P): Exclude SP.
3154 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
3155 ARM_REGNO_OK_FOR_INDEX_P.
3156 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
3157 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
3158 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
3159 (ldm/stm peepholes): Ditto.
3160 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
3161 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
3162 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
3163 * config/arm/constraints.md: Enable "k" constraint on ARM.
3165 2008-02-27 Ben Elliston <bje@au.ibm.com>
3167 * config/rs6000/rs6000.c: Annotate cache line size field in all
3168 instances of struct processor_costs.
3170 2008-02-26 David Edelsohn <edelsohn@gnu.org>
3172 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
3173 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
3174 jump_bypass): New counters.
3175 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
3176 * dce.c (gate_ud_dce): Same.
3177 (gate_fast_dce): Same.
3178 * dse.c (gate_dse1): New function.
3179 (gate_dse2): New function.
3180 (gate_dse): Merge results of new gate functions.
3181 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
3182 (gate_handle_jump_bypass): Add dbg_cnt.
3183 (gate_handle_gcse): Add dbg_cnt.
3184 * ifcvt.c (gate_handle_if_conversion): Same.
3185 (gate_handle_if_after_combine): Same.
3186 (gate_handle_if_after_reload): Same.
3187 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
3189 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
3191 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
3193 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
3195 2008-02-26 Jason Merrill <jason@redhat.com>
3198 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
3199 alone if it's the naming decl for the type's main variant.
3201 2008-02-26 Tom Tromey <tromey@redhat.com>
3203 * system.h (USE_MAPPED_LOCATION): Poison.
3204 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
3205 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
3206 (make_goto_expr_edges): Likewise.
3207 (remove_bb): Likewise.
3208 (execute_warn_function_return): Likewise.
3209 * basic-block.h (struct edge_def) <goto_locus>: Change type to
3211 * c-common.c (fname_decl): Remove old location code.
3212 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
3214 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
3216 (ASM_INPUT_SOURCE_LOCATION): Likewise.
3217 (gen_rtx_ASM_INPUT): Likewise.
3218 (gen_rtx_ASM_INPUT_loc): Likewise.
3219 (get_rtx_asm_OPERANDS): Remove.
3220 * cfglayout.c (insn_locators_alloc): Remove old location code.
3221 (set_curr_insn_source_location): Likewise.
3222 (curr_insn_locator): Likewise.
3223 * print-tree.c (print_node): Remove old location code.
3224 * tree-mudflap.c (mf_varname_tree): Remove old location code.
3225 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
3226 * cfgexpand.c (expand_gimple_cond_expr): Don't use
3227 location_from_locus.
3228 (construct_exit_block): Remove old location code.
3229 * emit-rtl.c (force_next_line_note): Remove old location code.
3230 * profile.c (branch_prob): Remove old location code.
3231 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
3232 LOC_LINE): Remove old-location variants.
3233 * langhooks.c (lhd_print_error_function): Remove old location
3235 * configure, config.in: Rebuilt.
3236 * configure.ac (--enable-mapped-location): Remove.
3237 * c-decl.c (c_init_decl_processing): Remove old location code.
3238 (finish_function): Likewise.
3239 * recog.c (decode_asm_operands): Remove old location code.
3240 * c-pch.c (c_common_read_pch): Remove old location code.
3241 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
3243 * gimple-low.c (lower_function_body): Remove old location code.
3244 * toplev.c (unknown_location): Remove.
3245 (push_srcloc): Remove old-location variant.
3246 (process_options): Remove old location code.
3247 (lang_dependent_init): Likewise.
3248 * input.h (UNKNOWN_LOCATION): Move definition.
3249 (location_t): Undeprecate.
3250 (source_locus): Remove.
3251 (location_from_locus): Remove.
3252 (struct location_s): Remove.
3253 Remove all old-location code.
3254 (input_line, input_filename): Remove.
3255 * final.c (final_scan_insn): Remove old location code.
3256 * diagnostic.c (diagnostic_build_prefix): Remove
3257 USE_MAPPED_LOCATION test.
3258 * tree.h (gimple_stmt) <locus>: Now a location_t.
3259 (tree_exp) <locus>: Likewise.
3260 (DECL_IS_BUILTIN): Remove old-location variant.
3261 (annotate_with_file_line, annotate_with_locus): Likewise.
3262 (expr_locus, set_expr_locus): Update.
3263 * tree.c (build1_stat): Remove old location code.
3264 (last_annotated_node): Remove.
3265 (annotate_with_file_line): Remove old-location variant.
3266 (annotate_with_locus): Likewise.
3267 (expr_location): Remove old location code.
3268 (set_expr_location): Likewise.
3269 (expr_has_location): Likewise.
3270 (expr_locus): Likewise.
3271 (set_expr_locus): Likewise.
3272 (expr_filename): Don't use location_from_locus.
3273 (expr_lineno): Likewise.
3274 * rtl-error.c (location_for_asm): Remove old location code.
3275 * c-lex.c (cb_line_change): Remove old location code.
3276 (fe_file_change): Likewise.
3277 (cb_def_pragma): Likewise.
3278 (c_lex_with_flags): Likewise.
3279 * gengtype.c (do_typedef): Don't special-case location types.
3280 (define_location_structures): Remove.
3281 (main): Don't call define_location_structures.
3282 * tree-pretty-print.c (dump_implicit_edges): Remove old location
3285 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3288 * builtins.def (BUILT_IN_STDARG_START): Remove.
3289 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
3290 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
3291 * tree-inline.c (inline_forbidden_p_1): Likewise.
3293 2008-02-26 Richard Guenther <rguenther@suse.de>
3295 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3296 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3297 (lookup_decl_from_uid): Declare.
3298 (remove_decl_from_map): Likewise.
3299 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3300 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3301 (decl_for_uid_map): New global hashtable mapping DECL_UID
3303 (init_ttree): Allocate it.
3304 (insert_decl_to_uid_decl_map): New helper function.
3305 (make_node_stat): Insert new decls into the map.
3306 (copy_node_stat): Likewise.
3307 (lookup_decl_from_uid): New function.
3308 (remove_decl_from_map): Likewise.
3309 (print_decl_for_uid_map_statistics): New helper.
3310 (dump_tree_statistics): Call it.
3312 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3313 (referenced_var_iterator): Adjust.
3314 (FOR_EACH_REFERENCED_VAR): Adjust.
3315 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3316 (num_referenced_vars): Adjust.
3317 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3318 (first_referenced_var): Remove.
3319 (end_referenced_vars_p): Likewise.
3320 (next_referenced_var): Likewise.
3321 (referenced_var_iterator_set): New helper function.
3322 * tree-dfa.c (referenced_var_lookup): Adjust.
3323 (referenced_var_check_and_insert): Likewise.
3324 (remove_referenced_var): Likewise.
3325 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3326 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3327 (verify_call_clobbering): Likewise.
3328 (verify_memory_partitions): Likewise.
3329 (init_tree_ssa): Allocate bitmap instead of hashtable for
3331 (delete_tree_ssa): Adjust.
3332 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3333 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3334 (compute_tag_properties): Likewise.
3335 (set_initial_properties): Likewise.
3336 (find_partition_for): Likewise.
3337 (update_reference_counts): Likewise.
3338 (dump_may_aliases_for): Likewise.
3339 * tree-ssa-operands.c (add_virtual_operand): Likewise.
3340 (add_call_clobber_ops): Likewise.
3341 (add_call_read_ops): Likewise.
3342 (get_asm_expr_operands): Likewise.
3343 * tree-into-ssa.c (dump_decl_set): Likewise.
3344 (update_ssa): Likewise.
3345 * tree-sra.c (scan_function): Likewise.
3346 (decide_instantiations): Likewise.
3347 (scalarize_parms): Likewise.
3348 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3349 (dsa_named_for): Likewise.
3350 * tree-ssa-structalias.c (update_alias_info): Likewise.
3351 (merge_smts_into): Likewise.
3353 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3356 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
3357 * c-opts.c (c_common_handle_option): Wall enables
3358 Wvolatile-register-var.
3359 * common.opt: Move Wvolatile-register-var to...
3362 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3364 * common.opt (Wlarger-than=): New.
3365 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
3367 * opts.c (common_handle_option): Handle -Wlarger-than=.
3368 * optc-gen.awk: Likewise.
3369 * opth-gen.awk: Likewise.
3370 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
3371 * tree-optimize.c (tree_rest_of_compilation): Likewise.
3373 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3375 * c-common.c (match_case_to_enum_1): Add appropriate
3376 OPT_W* parameter to warning.
3377 (c_do_switch_warnings): Likewise.
3378 * c-typeck.c (warning_init): Add one more parameter following
3380 (push_init_level): Update call to warning_init.
3381 (pop_init_level): Likewise.
3382 (add_pending_init): Likewise.
3383 (output_init_element: Likewise.
3385 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3388 * toplev.c (toplev_main): If there are warnings or error, print
3389 errors for ignored options.
3390 * opts.c (ignored_options): New static variable.
3391 (postpone_unknown_option_error): New.
3392 (print_ignored_options): New.
3393 (handle_option): Postpone errors for unknown -Wno-* options.
3394 * opts.h (print_ignored_options): Declare.
3396 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
3398 * config/mips/mips.md (loadgp_blockage, blockage): Change type
3401 2008-02-25 Richard Guenther <rguenther@suse.de>
3404 2008-02-25 Richard Guenther <rguenther@suse.de>
3406 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3407 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3408 (lookup_decl_from_uid): Declare.
3409 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3410 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3411 (decl_for_uid_map): New global hashtable mapping DECL_UID
3413 (init_ttree): Allocate it.
3414 (insert_decl_to_uid_decl_map): New helper function.
3415 (make_node_stat): Insert new decls into the map.
3416 (copy_node_stat): Likewise.
3417 (lookup_decl_from_uid): New function.
3418 (print_decl_for_uid_map_statistics): New helper.
3419 (dump_tree_statistics): Call it.
3421 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3422 (referenced_var_iterator): Adjust.
3423 (FOR_EACH_REFERENCED_VAR): Adjust.
3424 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3425 (num_referenced_vars): Adjust.
3426 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3427 (first_referenced_var): Remove.
3428 (end_referenced_vars_p): Likewise.
3429 (next_referenced_var): Likewise.
3430 (referenced_var_iterator_set): New helper function.
3431 * tree-dfa.c (referenced_var_lookup): Adjust.
3432 (referenced_var_check_and_insert): Likewise.
3433 (remove_referenced_var): Likewise.
3434 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3435 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3436 (verify_call_clobbering): Likewise.
3437 (verify_memory_partitions): Likewise.
3438 (init_tree_ssa): Allocate bitmap instead of hashtable for
3440 (delete_tree_ssa): Adjust.
3441 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3442 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3443 (compute_tag_properties): Likewise.
3444 (set_initial_properties): Likewise.
3445 (find_partition_for): Likewise.
3446 (update_reference_counts): Likewise.
3447 (dump_may_aliases_for): Likewise.
3448 * tree-ssa-operands.c (add_virtual_operand): Likewise.
3449 (add_call_clobber_ops): Likewise.
3450 (add_call_read_ops): Likewise.
3451 (get_asm_expr_operands): Likewise.
3452 * tree-into-ssa.c (dump_decl_set): Likewise.
3453 (update_ssa): Likewise.
3454 * tree-sra.c (scan_function): Likewise.
3455 (decide_instantiations): Likewise.
3456 (scalarize_parms): Likewise.
3457 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3458 (dsa_named_for): Likewise.
3459 * tree-ssa-structalias.c (update_alias_info): Likewise.
3460 (merge_smts_into): Likewise.
3462 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
3465 * doc/invoke.texi (-fcx-limited-range): Document new option.
3466 * toplev.c (process_options): Handle -fcx-fortran-rules.
3467 * common.opt: Add documentation for -fcx-fortran-rules.
3469 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
3472 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
3473 actual behaviour and C99.
3475 2008-02-26 Ben Elliston <bje@au.ibm.com>
3477 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
3478 (ASM_CPU_POWER6_SPEC): Likewise.
3479 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
3480 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
3481 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
3483 2008-02-25 Richard Guenther <rguenther@suse.de>
3485 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3486 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3487 (lookup_decl_from_uid): Declare.
3488 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3489 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3490 (decl_for_uid_map): New global hashtable mapping DECL_UID
3492 (init_ttree): Allocate it.
3493 (insert_decl_to_uid_decl_map): New helper function.
3494 (make_node_stat): Insert new decls into the map.
3495 (copy_node_stat): Likewise.
3496 (lookup_decl_from_uid): New function.
3497 (print_decl_for_uid_map_statistics): New helper.
3498 (dump_tree_statistics): Call it.
3500 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3501 (referenced_var_iterator): Adjust.
3502 (FOR_EACH_REFERENCED_VAR): Adjust.
3503 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3504 (num_referenced_vars): Adjust.
3505 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3506 (first_referenced_var): Remove.
3507 (end_referenced_vars_p): Likewise.
3508 (next_referenced_var): Likewise.
3509 (referenced_var_iterator_set): New helper function.
3510 * tree-dfa.c (referenced_var_lookup): Adjust.
3511 (referenced_var_check_and_insert): Likewise.
3512 (remove_referenced_var): Likewise.
3513 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3514 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3515 (verify_call_clobbering): Likewise.
3516 (verify_memory_partitions): Likewise.
3517 (init_tree_ssa): Allocate bitmap instead of hashtable for
3519 (delete_tree_ssa): Adjust.
3520 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3521 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3522 (compute_tag_properties): Likewise.
3523 (set_initial_properties): Likewise.
3524 (find_partition_for): Likewise.
3525 (update_reference_counts): Likewise.
3526 (dump_may_aliases_for): Likewise.
3527 * tree-ssa-operands.c (add_virtual_operand): Likewise.
3528 (add_call_clobber_ops): Likewise.
3529 (add_call_read_ops): Likewise.
3530 (get_asm_expr_operands): Likewise.
3531 * tree-into-ssa.c (dump_decl_set): Likewise.
3532 (update_ssa): Likewise.
3533 * tree-sra.c (scan_function): Likewise.
3534 (decide_instantiations): Likewise.
3535 (scalarize_parms): Likewise.
3536 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3537 (dsa_named_for): Likewise.
3538 * tree-ssa-structalias.c (update_alias_info): Likewise.
3539 (merge_smts_into): Likewise.
3541 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
3544 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
3545 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
3546 * alias.h (nonoverlapping_memrefs_p): Likewise.
3548 2008-02-25 Jan Beulich <jbeulich@novell.com>
3550 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
3551 * config/i386/netware-libgcc.exp: Add __bswap?i2,
3552 __emultls_get_address, __emultls_register_common,
3553 __floatundi?f, and _Unwind_GetIPInfo.
3554 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
3555 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
3556 (gen_regparm_prefix): Likewise.
3557 (i386_nlm_encode_section_info): Sync with
3558 config/i386/winnt.c:i386_pe_encode_section_info().
3559 (i386_nlm_maybe_mangle_decl_assembler_name): New.
3560 i386_nlm_mangle_decl_assembler_name): New.
3561 (netware_override_options): New.
3562 * config/i386/netware.h (netware_override_options): Declare.
3563 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
3564 (i386_nlm_mangle_decl_assembler_name): Declare.
3565 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
3567 2008-02-25 Ben Elliston <bje@au.ibm.com>
3570 * c-decl.c (grokdeclarator): Remove unused local variables
3571 `typedef_type' and `type_as_written'.
3573 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
3574 unused local variable `has_hot_blocks'.
3575 (fix_crossing_conditional_branches): Remove unused local variable
3578 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
3581 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
3582 using DEF_C99_BUILTIN.
3583 (BUILT_IN_NANF): Ditto.
3584 (BUILT_IN_NANL): Ditto.
3586 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
3587 Revital Eres <eres@il.ibm.com>
3589 * modulo-sched.c (calculate_must_precede_follow): Address TODO
3590 regarding the order of two dependent insns in the same row.
3592 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
3594 * stor-layout.c (layout_decl): Do not bump the alignment of a
3595 bit-field to more than byte alignment if it is packed.
3597 2008-02-24 David Edelsohn <edelsohn@gnu.org>
3599 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
3602 2008-02-24 Diego Novillo <dnovillo@google.com>
3604 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
3607 * tree-vrp.c (vrp_evaluate_conditional): With
3608 -Wtype-limits, emit a warning when comparing against a
3609 constant outside the natural range of OP0's type.
3610 * c.opt (Wtype-limits): Move ...
3611 * common.opt (Wtype-limits): ... here.
3613 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
3615 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
3616 * config/rs6000/e300c2c3.md: New file.
3617 * config/rs6000/rs6000.c (processor_costs): Add new costs for
3619 (rs6000_override_options): Add e300c2 and e300c3 cases to
3620 processor_target_table. Do not allow usage of Altivec or Spe
3621 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
3622 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
3623 * config/rs6000/rs6000.h (processor_type): Add
3624 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
3625 (ASM_CPU_SPEC): Add e300c2 and e300c3.
3626 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
3627 and ppce300c3. Include e300c2c3.md.
3629 2008-02-23 David Edelsohn <edelsohn@gnu.org>
3631 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
3632 instead of TARGET_STRICT_ALIGN.
3634 2008-02-23 Joseph Myers <joseph@codesourcery.com>
3636 * explow.c (memory_address): Assert that the generated address is
3639 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3642 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
3643 * config/darwin-ppc-ldouble-patch.def: New file.
3644 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
3645 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
3646 SUBTARGET_INIT_BUILTINS if defined.
3647 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
3650 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
3653 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
3654 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
3656 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
3659 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
3660 file" warning condtional on -Winvalid-PCH.
3662 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
3664 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
3666 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
3670 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
3671 prevent reload from using MMX registers.
3672 (*mov<mode>_internal): Ditto.
3673 (*movv2sf_internal_rex64): Ditto.
3674 (*movv2sf_internal): Ditto.
3676 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3678 PR documentation/31569
3679 * doc/install.texi2html: Use makeinfo --no-number-sections.
3681 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
3683 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
3684 ensure that we can address an entire entity > 8 bytes. Don't
3685 generate reg+reg addressing for such data.
3687 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
3689 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
3690 strings when optimizing for size, unless the target cares about
3693 2008-02-22 Tom Tromey <tromey@redhat.com>
3695 * regclass.c (current_pass): Remove declaration.
3697 2008-02-22 Anatoly Sokolov <aesok@post.ru>
3699 * config/avr/libgcc.S (__RAMPZ__): Define.
3700 (__do_copy_data): Add for devices with 128KB code memory.
3702 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
3704 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3706 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
3708 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
3710 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
3713 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3716 * c-typeck.c (build_binary_op): Warn about floating point
3717 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
3719 2008-02-21 Janis Johnson <janis187@us.ibm.com>
3722 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
3723 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
3725 (rs6000_override_options): Set altivec_abi as default, not override,
3726 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
3727 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
3728 is used; use new member spe_abi.
3729 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
3730 spe_abi and altivec_abi.
3732 2008-02-22 Tomas Bily <tbily@suse.cz>
3734 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
3736 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3739 * config.build (build_file_translate): Set to `CMD //c' only if
3741 * Makefile.in (build_file_translate): Improve comment.
3743 2008-02-21 Jan Hubicka <jh@suse.cz>
3745 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
3746 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
3747 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
3749 2008-02-21 Michael Matz <matz@suse.de>
3752 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
3754 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
3756 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
3757 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
3759 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
3760 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
3761 SSE_VEC_FLOAT_MODE_P as insn constraint.
3762 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
3763 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
3764 sse4a_movntdf using MODEF mode iterator.
3765 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
3766 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
3767 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
3768 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
3769 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
3770 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
3771 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
3773 2008-02-21 Richard Guenther <rguenther@suse.de>
3775 * tree.def (PAREN_EXPR): New tree code.
3776 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
3778 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
3779 * expr.c (expand_expr_real_1): Likewise.
3780 * tree-inline.c (estimate_num_insns_1): Likewise.
3781 * tree-complex.c (expand_complex_move): Likewise.
3782 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
3785 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
3788 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
3790 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
3793 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
3795 * config/sh/sh.c (find_barrier): Don't go past
3796 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
3798 2008-02-20 DJ Delorie <dj@redhat.com>
3800 * config/h8300/h8300.md (insv): Force source operand to be a register.
3802 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
3803 as a jump, not as a plain insn.
3805 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
3807 * doc/invoke.texi (Warning Options): Add new option
3808 -Wframe-larger-than=.
3809 (-Wframe-larger-than): Document.
3811 * flags.h (warn_frame_larger_than, frame_larger_than_size):
3812 Add declarations for new option variables.
3814 * final.c (final_start_function): Check the frame size
3815 before emission and issue a Wframe-larger-than warning.
3817 * opts.c (warn_frame_larger_than, frame_larger_than_size):
3818 Add definitions for new option variables.
3819 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
3821 * common.opt (Wframe-larger-than=): New option.
3823 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
3825 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
3826 (<sse>_div<mode>3): Ditto.
3827 (<sse>_vmdiv<mode>3): Ditto.
3828 (<sse>_vmsqrt<mode>2): Ditto.
3829 (*smax<mode>3): Ditto.
3830 (sse5_frcz<mode>2): Ditto.
3831 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
3834 2008-02-20 Richard Guenther <rguenther@suse.de>
3837 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
3838 be happy with INTEGRAL_TYPE_P.
3840 2008-02-20 Richard Guenther <rguenther@suse.de>
3842 * fold-const.c (split_tree): Associate floatig-point expressions
3843 if flag_associative_math is set.
3845 2008-02-20 Richard Guenther <rguenther@suse.de>
3847 * tree.h (fold_real_zero_addition_p): Declare.
3848 * fold-const.c (fold_real_zero_addition_p): Export.
3849 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
3850 floating-point operations with zero and one.
3852 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
3854 * doc/install.texi: Correct references to CFLAGS, replacing them
3855 with BOOT_CFLAGS. Document flags used during bootstrap for
3858 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
3860 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
3861 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
3862 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
3864 (smin<mode>3): Ditto from similar patterns.
3865 (smax<mode>3): Ditto.
3866 (*ieee_smin<mode>3): Ditto.
3867 (*ieee_smax<mode>3): Ditto.
3868 * config/i386/sse.md (sse): New mode attribute.
3869 (mov<mode>): Macroize expander from movv4sf and movv2df using
3870 SSEMODEF2P mode iterator.
3871 (<sse>_movnt<mode>): Ditto from similar patterns. Use
3872 SSE_VEC_FLOAT_MODE_P as insn constraint.
3873 (storent<mode>): Ditto.
3874 (storent<mode>): Macroize expander from storentsf and storentdf using
3875 MODEF mode iterator.
3876 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
3877 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
3878 (abs<mode>2): Ditto from similar patterns.
3879 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
3880 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
3881 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
3882 (<sse>_vmsqrt<mode>2): Ditto.
3883 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
3884 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
3885 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
3886 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
3887 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
3888 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
3889 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
3891 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
3892 iterator and SSE_FLOAT_MODE_P as insn constraint.
3893 (<sse>_ucomi): Ditto from similar patterns.
3894 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
3895 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
3896 SSE_VEC_FLOAT_MODE_P as insn constraint.
3897 (vcond<mode>): Ditto from similar patterns.
3898 (and<mode>3, *and<mode>3): Ditto.
3899 (<sse>_nand<mode>3): Ditto.
3900 (ior<mode>3, *ior<mode>3): Ditto.
3901 (xor<mode>3, *xor<mode>3): Ditto.
3902 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
3903 iterator and SSE_FLOAT_MODE_P as insn constraint.
3904 (*nand<mode>3): Ditto from similar patterns.
3905 (*ior<mode>3): Ditto.
3906 (*xor<mode>3): Ditto.
3908 2008-02-20 Ira Rosen <irar@il.ibm.com>
3910 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
3911 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
3912 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
3914 2008-02-19 Jan Hubicka <jh@suse.cz>
3916 * predict.c (tree_bb_level_predictions): Remove variable next
3917 mistakely introduced by previous commit.
3919 2008-02-19 Jan Hubicka <jh@suse.cz>
3921 * predict.c (predict_paths_leading_to): Rewrite.
3922 (predict_paths_for_bb): New.
3923 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
3925 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3928 * Makefile.in (build_file_translate): New.
3929 (gcc-vers.texi): Use it for translating $(abs_srcdir).
3930 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
3931 * configure.ac (build_file_translate): Substitute it.
3932 * configure: Regenerate.
3934 2008-02-19 Jan Hubicka <jh@suse.cz>
3936 PR rtl-optimization/34408
3937 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
3940 2008-02-19 Jan Hubicka <jh@suse.cz>
3943 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
3946 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
3949 * config/i386/i386-modes.def: Revert the last DI alignment
3950 change until Ada people can look into it.
3952 2008-02-19 Nick Clifton <nickc@redhat.com>
3954 * opts.c (print_specific_help): Fix typo in --help text.
3956 2008-02-19 Jakub Jelinek <jakub@redhat.com>
3959 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
3960 32-bit inline asm without asm alternatives for host GCC < 3.0.
3962 2008-02-19 Richard Guenther <rguenther@suse.de>
3964 PR tree-optimization/34989
3965 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
3966 Allow propagation to INDIRECT_REF if we can simplify only.
3968 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3970 * c-common.c (warn_for_collisions_1): Use appropriate option when
3973 2008-02-19 Nick Clifton <nickc@redhat.com>
3976 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
3977 (handle_options): Fix indentation.
3978 (print_filtered_help): If no language-specific options were
3979 displayed tell the user how to list all the options supported by
3980 the language's front-end.
3981 (print_specific_help): Fix indentation and remove duplicate line.
3982 (common_handle_option): Handle the -v option.
3983 For --help enable the display of undocumented options if the -v
3984 switch has been included on the command line.
3985 For --help= check for overlaps in the arguments between the option
3986 classes and the language names and issue a warning when they
3987 cannot be disambiguated.
3988 * c.opt (v): Pass on to the common option handler.
3990 2008-02-19 Revital Eres <eres@il.ibm.com>
3992 * modulo-sched.c (sms_schedule): Change dump message when
3993 create_ddg function fails.
3994 (try_scheduling_node_in_cycle): Rename row to cycle.
3995 (print_partial_schedule): Rename CYCLE to ROW.
3997 2008-02-19 Christian Bruel <christian.bruel@st.com>
3998 Zdenek Dvorak <ook@ucw.cz>
4000 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
4002 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
4005 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
4006 (*x86_movdicc_0_m1_se): Ditto.
4008 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
4010 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
4011 (CMPtype): Define as __gcc_CMPtype.
4012 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
4013 (CMPtype): Define as __gcc_CMPtype.
4015 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
4017 Support valgrind 3.3 for --enable-checking=valgrind.
4018 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
4020 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
4021 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
4022 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
4023 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
4024 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
4025 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
4026 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
4028 * ggc-zone.c: Similar.
4029 * ggc-page.c: Similar.
4031 2008-02-19 Paul Brook <paul@codesourcery.com>
4034 * config/arm/ieee754-df.S: Fix do_it typo.
4035 * config/arm/ieee754-sf.S: Fix do_it typo.
4037 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
4040 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
4041 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
4042 (OPTION_MASK_ISA_SSE_SET): Likewise.
4043 (OPTION_MASK_ISA_SSE2_SET): Likewise.
4044 (OPTION_MASK_ISA_SSE3_SET): Likewise.
4045 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
4046 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
4047 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
4048 (OPTION_MASK_ISA_SSE4_SET): Likewise.
4049 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
4050 (OPTION_MASK_ISA_SSE5_SET): Likewise.
4051 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
4052 (OPTION_MASK_ISA_MMX_UNSET): Updated.
4053 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
4054 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
4055 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
4056 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
4057 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
4058 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
4059 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
4060 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
4061 (OPTION_MASK_ISA_SSE4): Removed.
4062 (ix86_handle_option): Turn on bits in ix86_isa_flags and
4063 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
4064 (override_options): Don't turn on implied SSE/MMX bits in
4067 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
4069 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
4072 2008-02-18 Joey Ye <joey.ye@intel.com>
4075 * tree-nested.c (insert_field_into_struct): Set type alignment
4076 to field alignment if the former is less than the latter.
4078 2008-02-18 Jakub Jelinek <jakub@redhat.com>
4080 * BASE-VER: Set to 4.4.0.
4082 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4084 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
4085 * doc/cfg.texi: Likewise.
4086 * doc/extend.texi: Likewise.
4087 * doc/gty.texi: Likewise.
4088 * doc/invoke.texi: Likewise.
4089 * doc/loop.texi: Likewise.
4090 * doc/md.texi: Likewise.
4091 * doc/passes.texi: Likewise.
4092 * doc/rtl.texi: Likewise.
4093 * doc/sourcebuild.texi: Likewise.
4094 * doc/tm.texi: Likewise.
4095 * doc/tree-ssa.texi: Likewise.
4097 2008-02-17 Richard Guenther <rguenther@suse.de>
4100 * tree-complex.c (init_parameter_lattice_values): Handle parameters
4101 without default definition.
4103 2008-02-17 Richard Guenther <rguenther@suse.de>
4105 PR tree-optimization/35231
4106 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
4109 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
4112 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
4113 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
4114 libgcc_cmp_return mode.
4116 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4119 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
4121 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
4123 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
4126 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4128 * doc/c-tree.texi: Use `@.' where appropriate.
4129 * doc/extend.texi: Likewise.
4130 * doc/install.texi: Likewise.
4131 * doc/invoke.texi: Likewise.
4132 * doc/loop.texi: Likewise.
4133 * doc/makefile.texi: Likewise.
4134 * doc/md.texi: Likewise.
4135 * doc/passes.texi: Likewise.
4136 * doc/standards.texi: Likewise.
4137 * doc/tm.texi: Likewise.
4139 2008-02-15 Jakub Jelinek <jakub@redhat.com>
4142 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
4144 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
4145 rather than in entry_bb.
4147 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
4149 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
4150 libgcc_cmp_return mode.
4152 2008-02-15 Jakub Jelinek <jakub@redhat.com>
4155 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
4156 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
4158 2008-02-15 Richard Guenther <rguenther@suse.de>
4159 Zdenek Dvorak <ook@ucw.cz>
4161 PR tree-optimization/35164
4162 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
4163 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
4164 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
4165 Only propagate addresses which do not have abnormal SSA_NAMEs
4168 2008-02-15 Joseph Myers <joseph@codesourcery.com>
4171 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
4173 2008-02-15 Jan Hubicka <jh@suse.cz>
4176 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
4178 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
4181 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
4182 when calculating alignment_pad.
4184 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
4186 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
4187 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
4188 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
4189 and STACK_BOUNDARY define.
4191 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
4193 PR preprocessor/35061
4194 * c-pragma.c (handle_pragma_pop_macro): Check that
4195 pushed_macro_table has been allocated.
4197 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
4200 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
4201 (force_gimple_operand): Likewise.
4202 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
4203 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
4204 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
4205 (find_interesting_uses_address): Check addressability and alignment
4206 of the base expression only after substituting bases of IVs into it.
4208 2008-02-14 Michael Matz <matz@suse.de>
4211 * function.c (instantiate_virtual_regs_in_insn): Reload address
4212 before falling back to reloading the whole operand.
4214 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
4216 * config/s390/s390.c (s390_mainpool_start): Emit the pool
4217 before the first section switch note.
4219 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4221 * doc/bugreport.texi: Update copyright years.
4222 * doc/c-tree.texi: Likewise.
4223 * doc/cfg.texi: Likewise.
4224 * doc/cpp.texi: Likewise.
4225 * doc/cppinternals.texi: Likewise.
4226 * doc/fragments.texi: Likewise.
4227 * doc/frontends.texi: Likewise.
4228 * doc/gcc.texi: Likewise.
4229 * doc/gty.texi: Likewise.
4230 * doc/hostconfig.texi: Likewise.
4231 * doc/implement-c.texi: Likewise.
4232 * doc/libgcc.texi: Likewise.
4233 * doc/loop.texi: Likewise.
4234 * doc/makefile.texi: Likewise.
4235 * doc/options.texi: Likewise.
4236 * doc/passes.texi: Likewise.
4237 * doc/rtl.texi: Likewise.
4238 * doc/sourcebuild.texi: Likewise.
4239 * doc/standards.texi: Likewise.
4240 * doc/tree-ssa.texi: Likewise.
4241 * doc/trouble.texi: Likewise.
4243 * doc/extend.texi: Use @: or add comma where appropriate.
4244 * doc/invoke.texi: Likewise.
4245 * doc/tm.texi: Likewise.
4247 2008-02-14 Alan Modra <amodra@bigpond.net.au>
4250 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
4253 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
4255 * doc/md.texi (clz, ctz): Add reference.
4256 * doc/rtl.texi (clz, ctz): Likewise.
4258 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4261 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
4264 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
4266 * config/s390/s390.c (struct constant_pool): New field
4267 emit_pool_after added.
4268 (s390_mainpool_start): Set the emit_pool_after flag according
4269 to the section switch notes.
4270 (s390_mainpool_finish): Consider emit_pool_after when emitting
4271 the literal pool at the end of the function.
4272 (s390_chunkify_start): Force literal pool splits at section
4275 2008-02-13 Michael Matz <matz@suse.de>
4278 * var-tracking.c (clobber_variable_part): Correctly traverse the
4281 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4284 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
4285 Add -fdump-ipa-inline.
4286 * tree-dump.c (dump_files): Remove tree-inlined dump.
4287 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
4289 2008-02-12 Richard Guenther <rguenther@suse.de>
4291 PR tree-optimization/35171
4292 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
4295 2008-02-12 Richard Guenther <rguenther@suse.de>
4298 * fold-const.c (fold_widened_comparison): Use get_unwidened in
4299 value-preserving mode. Disallow final truncation.
4301 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
4304 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
4305 code from here to...
4306 (force_gimple_operand): ...here.
4308 2008-02-12 Jakub Jelinek <jakub@redhat.com>
4311 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
4312 non-compatible pointers.
4313 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
4314 different FIELD_DECLs, try harder by comparing field offsets, sizes
4318 * function.c (match_asm_constraints_1): Don't replace the same input
4321 2008-02-12 Anatoly Sokolov <aesok@post.ru>
4323 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
4324 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
4325 (expand_epilogue): Restore RAMPZ register.
4326 * config/avr/avr.md (RAMPZ_ADDR): New constant.
4328 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
4330 * config/i386/cygwin.asm: (__alloca): Correct calling
4331 convention and alignment.
4332 (__chkstk): Force 8 byte stack alignment.
4334 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
4335 Richard Guenther <rguenther@suse.de>
4337 PR tree-optimization/33992
4338 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
4339 the zero we compare against.
4341 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
4344 * gthr-win32.h (__gthread_mutex_destroy_function): New function
4345 to CloseHandle after unlocking to prevent accumulation of handle
4348 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4351 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
4352 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
4353 and update LABEL_NUSES during and after reload.
4355 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
4358 * combine.c (simplify_if_then_else): Make sure the comparison is
4359 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
4361 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
4364 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
4365 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
4366 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
4367 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
4368 * tree.h (get_type_static_bounds): Likewise.
4370 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4372 * doc/invoke.texi (Option Summary, C++ Dialect Options)
4373 (Objective-C and Objective-C++ Dialect Options, Warning Options):
4374 Make -Wfoo language annotations match what the compiler outputs.
4376 2008-02-08 Sa Liu <saliu@de.ibm.com>
4378 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
4379 intrinsics spu_convts, spu_convtu, spu_convtf.
4380 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
4382 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
4384 * doc/extend.texi (Function Attributes) <noinline>: Mention
4385 asm ("") as method to keep calls.
4387 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4390 * doc/options.texi (Options): Replace references to opts.sh with
4392 * opts-common.c: Likewise.
4393 * optc-gen.awk: Likewise.
4395 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
4397 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
4399 2008-02-07 Richard Henderson <rth@redhat.com>
4402 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
4403 EXPR_LIST for the REG_EQUAL instead of a comparison with a
4406 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
4408 PR tree-optimization/35085
4409 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
4410 for operand entry oe2 in addition to operand entry oe3 in order to
4411 expose more opportunities for vectorizer sum reduction.
4413 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4416 * Makefile.in (LIBS): Remove $(GMPLIBS).
4417 (cc1-dummy, cc1): Add $(GMPLIBS).
4419 2008-02-06 Jan Hubicka <jh@suse.cz>
4422 * i386.md (moddf_integer): Do not produce partial memory stalls for
4423 targets where it hurts.
4425 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
4428 * optabs.c (expand_float): Do not check for decimal modes when
4429 expanding unsigned integer through signed conversion.
4431 2008-02-06 Nick Clifton <nickc@redhat.com>
4433 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
4434 inside the clobber with a match_operand and duplicated operand
4435 number in the constraint.
4436 (ineqbranchsi): Delete redundant comment.
4438 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
4440 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
4441 builtin_define ("__USE_INIT_FINI__").
4442 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
4444 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
4446 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4448 PR documentation/30330
4449 * doc/invoke.texi (C++ Dialect Options)
4450 (Objective-C and Objective-C++ Dialect Options, Warning Options):
4451 For each warning option -Wfoo that allows -Wno-foo, ensure both
4452 -Wfoo and -Wno-foo are listed in the option index. Fix index
4453 entry of -Wswitch-default, index -Wnormalized= including the
4454 `=', and -Wlarger-than-@var{len} including @var{len}.
4456 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
4458 * config/i386/i386.md (floatunssisf2): Use
4459 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
4460 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
4461 Macroize expander using MODEF mode iterator.
4463 2008-02-05 Diego Novillo <dnovillo@google.com>
4465 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
4468 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
4470 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4473 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
4475 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
4478 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
4479 to indicate if a message should be generated.
4480 (init_cumulative_args): Updated.
4481 (function_value_32): Likewise.
4483 2008-02-05 Joseph Myers <joseph@codesourcery.com>
4485 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
4487 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
4490 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
4491 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
4493 2008-02-04 Diego Novillo <dnovillo@google.com>
4495 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
4498 * tree-vrp.c (vrp_evaluate_conditional): With
4499 -Wtype-limits, emit a warning when comparing against a
4500 constant outside the natural range of OP0's type.
4502 2008-02-04 Richard Guenther <rguenther@suse.de>
4505 * expr.c (count_type_elements): Give for unions instead of
4508 2008-02-04 Richard Guenther <rguenther@suse.de>
4511 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
4512 to TYPE_DOMAINs base type instead of using bitsizetype here.
4514 2008-02-03 Jason Merrill <jason@redhat.com>
4516 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
4518 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4521 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
4522 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
4523 (RS/6000 and PowerPC Options): Fix typos and markup.
4524 * doc/passes.texi (Tree-SSA passes): Likewise.
4526 2008-02-02 Michael Matz <matz@suse.de>
4529 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
4530 from record_last_reg_set_info.
4531 (record_last_reg_set_info): Take an RTX argument, iterate over all
4532 constituent hardregs.
4533 (record_last_set_info, record_opr_changes): Change calls to
4534 new signature or to record_last_reg_set_info_regno.
4536 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
4538 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
4540 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
4542 PR rtl-optimization/34773
4543 * reg-notes.def (EQUAL): Mention significance of combination of
4544 REG_EQUAL and REG_RETVAL.
4545 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
4546 insn that has a REG_RETVAL.
4548 2008-02-01 Roger Sayle <roger@eyesopen.com>
4551 * configure.ac (--enable-fixed-point): Disable unless explicitly
4553 * configure: Regenerate.
4555 2008-02-01 Richard Guenther <rguenther@suse.de>
4558 * invoke.texi (-finline-limit): Remove no longer true parts
4559 of the documentation. Note that there is no default value.
4561 2008-02-01 Andrew Pinski <pinskia@gmail.com>
4562 Mark Mitchell <mark@codesourcery.com>
4563 Ben Elliston <bje@au.ibm.com>
4566 * doc/extend.texi (Other Builtins): Document.
4568 2008-01-31 Tom Browder <tom.browder@gmail.com>
4570 * doc/c-tree.texi (Types): Fix grammar.
4571 (Expression trees): Ditto.
4572 * doc/passes.texi (Tree-SSA passes): Ditto.
4574 * doc/configterms.texi (Configure Terms): Fix typo.
4575 * doc/cpp.texi (Common Predefined Macros): Ditto.
4576 * doc/md.texi (Machine Constraints): Ditto.
4578 * doc/makefile.texi (Makefile): Add comma.
4580 2008-01-31 Tom Browder <tom.browder@gmail.com>
4581 Gerald Pfeifer <gerald@pfeifer.com>
4583 * doc/sourcebuild.texi (Front End): Remove references to CVS
4584 and CVSROOT/modules.
4585 (Texinfo Manuals): Replace reference to CVS by one to SVN.
4586 (Back End): Remove reference to CVS.
4588 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
4591 * config/mips/mips.c (gen_load_const_gp): New function, taking a
4593 (mips16_gp_pseudo_reg): ...here.
4594 * config/mips/mips.md (load_const_gp): Replace with...
4595 (load_const_gp_<mode>): ...this :P-based insn.
4597 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4599 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
4600 options. Minor fixes.
4601 (-std): Move reference to standards closer to where language
4602 standards are first mentioned.
4604 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
4606 PR rtl-optimization/34995
4607 * reload.c (alternative_allows_const_pool_ref): Take an rtx
4608 parameter and return a bool. If the rtx parameter is nonnull,
4609 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
4610 (find_reloads): Update call accordingly. Pass the new operand
4611 if it needed no address reloads, otherwise pass null.
4613 2008-01-30 Richard Henderson <rth@redhat.com>
4616 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
4617 for unbounded arrays.
4619 2008-01-30 Silvius Rus <rus@google.com>
4621 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
4623 2008-01-30 Jan Hubicka <jh@suse.cz>
4626 * i386.c (init_cumulative_args): Use real function declaration when
4629 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
4631 PR rtl-optimization/34998
4632 * global.c (build_insn_chain): Treat non-subreg_lowpart
4633 SUBREGs of pseudos as clobbering all the words covered by the
4634 SUBREG, not just all the bytes.
4635 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
4636 original df_ref rather than an extract parameter.
4637 (global_conflicts): Update call accordingly.
4639 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
4641 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
4642 the overflow check to make it easier to read.
4643 (__fixtfdi): Change the type of the ll member in union
4644 long_double to UDItype_x.
4646 2008-01-30 Jakub Jelinek <jakub@redhat.com>
4649 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
4650 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
4651 * tree-inline.c (fold_marked_statements): Call
4652 cgraph_update_edges_for_call_stmt if folding a call statement.
4653 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
4654 debug_generic_stmt calls, reset it back afterwards.
4657 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
4659 * c-typeck.c (build_external_ref): Don't pedwarn about
4660 static vars in current function's scope.
4662 2008-01-29 Joseph Myers <joseph@codesourcery.com>
4664 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
4666 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
4669 * ipa-struct-reorg.c: Fix spelling.
4670 * params.def: Ditto.
4672 2008-01-29 Richard Guenther <rguenther@suse.de>
4675 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
4677 * tree-inline.c (remap_type): Increment remapping_type_depth
4678 around remapping types.
4679 (copy_body_r): Only add referenced variables if they are referenced
4680 from code, not types.
4682 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
4693 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
4694 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
4696 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
4699 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
4700 pointer for tiny stack.
4702 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
4704 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
4706 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
4708 * config/vx-common.h: Fix typo in comment.
4710 2008-01-28 Ian Lance Taylor <iant@google.com>
4714 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
4715 coalesce pointers if they have different DECL_NO_TBAA_P values.
4716 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
4717 between variables with different DECL_NO_TBAA_P values.
4719 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
4722 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
4723 are not legitimate small data references on SPE targets.
4725 2008-01-28 David Daney <ddaney@avtrex.com>
4727 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
4729 2008-01-28 David Daney <ddaney@avtrex.com>
4731 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
4733 2008-01-27 Joseph Myers <joseph@codesourcery.com>
4735 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
4736 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
4737 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
4738 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
4739 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
4740 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
4741 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
4742 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
4744 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
4746 * basic-block.h (condjump_equiv_p): Fix comment.
4748 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
4750 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
4751 print_generic_stmt_indented): Fix comment.
4753 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
4755 * configure.ac (__stack_chk_fail): Add detecion for availability
4756 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
4757 * configure: Regenerate.
4759 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
4762 * final.c (output_addr_const): Handle TRUNCATE.
4764 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
4767 * tree-ssa-loop-ivopts.c (comp_cost): New type.
4768 (zero_cost, infinite_cost): New constants.
4769 (struct cost_pair): Change type of cost to comp_cost.
4770 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
4771 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
4773 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
4774 split_address_cost, ptr_difference_cost, difference_cost,
4775 get_computation_cost_at, get_computation_cost,
4776 determine_use_iv_cost_generic, determine_use_iv_cost_address,
4777 determine_use_iv_cost_condition, determine_use_iv_costs,
4778 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
4779 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
4780 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
4781 Change type of cost to comp_cost.
4782 (determine_iv_cost): Increase cost of non-original ivs, instead
4783 of decreasing the cost of original ones.
4784 (get_address_cost): Indicate the complexity of the addressing mode
4786 (try_add_cand_for): Prefer using ivs not specific to some object.
4787 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
4789 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
4790 Janis Johnson <janis187@us.ibm.com>
4793 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
4794 (TARGET_INSTANTIATE_DECLS): Likewise.
4795 * target.h (expand_to_rtl_hook): New target hook.
4796 (instantiate_decls): Likewise.
4797 * function.c (instantiate_decl): Make non-static. Rename to...
4798 (instantiate_decl_rtl): ... this.
4799 (instantiate_expr): Use instantiate_decl_rtl.
4800 (instantiate_decls_1): Likewise.
4801 (instantiate_decls): Likewise.
4802 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
4803 * function.h (instantiate_decl_rtl): Add prototype.
4804 * cfgexpand.c (target.h): New include.
4805 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
4806 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
4807 (TARGET_INSTANTIATE_DECLS): Likewise.
4808 (TARGET_INITIALIZER): New target hooks added.
4809 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
4811 * config/rs6000/rs6000.c (tree-flow.h): New include.
4812 (machine_function): Add sdmode_stack_slot field.
4813 (rs6000_alloc_sdmode_stack_slot): New function.
4814 (rs6000_instantiate_decls): Likewise.
4815 (rs6000_secondary_memory_needed_rtx): Likewise.
4816 (rs6000_check_sdmode): Likewise.
4817 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
4818 (TARGET_INSTANTIATE_DECLS): Likewise.
4819 (rs6000_hard_regno_mode_ok): Allow SDmode.
4820 (num_insns_constant): Likewise. Handle _Decimal32 constants.
4821 (rs6000_emit_move): Handle SDmode.
4822 (function_arg_advance): Likewise.
4823 (function_arg): Likewise.
4824 (rs6000_gimplify_va_arg): Likewise. Add special handling of
4825 SDmode var args for 32-bit compiles.
4826 (rs6000_secondary_reload_class): Handle SDmode.
4827 (rs6000_output_function_epilogue): Likewise.
4828 (rs6000_function_value): Simplify if statement.
4829 (rs6000_libcall_value): Likewise.
4830 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
4831 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
4832 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
4833 (movsd_hardfloat): New define_insn.
4834 (movsd_softfloat): Likewise.
4835 (movsd_store): Likewise.
4836 (movsd_load): Likewise.
4837 (extendsddd2): Likewise.
4838 (extendsdtd2): Likewise.
4839 (truncddsd2): Likewise.
4840 (movdd_hardfloat64): Fixup comment.
4841 (UNSPEC_MOVSD_LOAD): New constant.
4842 (UNSPEC_MOVSD_STORE): Likewise.
4844 2008-01-26 Jakub Jelinek <jakub@redhat.com>
4847 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
4849 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
4850 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
4851 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
4854 2008-01-26 David Edelsohn <edelsohn@gnu.org>
4857 * config.gcc: Separate AIX 5.3 from AIX 6.1.
4858 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4859 __LONGDOUBLE128 too.
4860 * config/rs6000/aix61.h: New file.
4862 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
4864 PR rtl-optimization/34959
4865 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
4866 popcount and parity rtxes the same mode as their operand.
4867 Truncate or extend the result to the return value's mode
4870 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
4873 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
4874 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
4875 to GOT_VERSION_REGNUM.
4876 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
4877 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
4878 * config/mips/mips.c (mips_emit_call_insn): New function.
4879 (mips_call_tls_get_addr): Call mips_expand_call directly.
4880 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
4882 (mips16_build_call_stub): Likewise. Return the call insn or null.
4883 (mips_expand_call): Update the call to mips16_build_call_stub
4884 accordingly and a remove redundant condition. Assert that MIPS16
4885 stubs do not use lazy binding. Use mips_emit_call_insn and return
4887 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
4889 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
4890 (mips_avoid_hazard): Remove hazard_set handling.
4891 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
4892 (UNSPEC_RESTORE_GP): ...this.
4893 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
4894 (FAKE_CALL_REGNO): Rename to...
4895 (GOT_VERSION_REGNUM): ...this.
4896 (type): Add "ghost" value. Add an associated insn reservation.
4897 (hazard_set): Remove.
4898 (exception_receiver): Rename to...
4899 (restore_gp): ...this and update the unspec identifier accordingly.
4900 (exception_receiver, nonlocal_got_receiver): New expanders.
4901 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
4902 FAKE_CALL_REGNO. Remove hazard_set attribute.
4903 (set_got_version, update_got_version): New patterns.
4905 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
4908 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
4910 2008-01-25 Joseph Myers <joseph@codesourcery.com>
4913 * doc/install.texi2html: Generate gcc-vers.texi.
4915 2008-01-25 DJ Delorie <dj@redhat.com>
4917 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4919 2008-01-25 Joseph Myers <joseph@codesourcery.com>
4921 * config/c4x: Remove directory.
4922 * config.gcc (crx-*, mt-*): Mark obsolete.
4923 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
4924 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
4925 sh-*-rtemscoff*): Remove cases.
4926 * defaults.h (C4X_FLOAT_FORMAT): Remove.
4927 * real.c (encode_c4x_single, decode_c4x_single,
4928 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
4929 c4x_extended_format): Remove.
4930 * real.h (c4x_single_format, c4x_extended_format): Remove.
4931 * doc/extend.texi (interrupt, naked): Remove mention of attributes
4933 (Pragmas): Remove comment about c4x pragmas.
4934 * doc/install.texi (c4x): Remove target-specific instructions.
4935 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
4936 * doc/md.texi (Machine Constraints): Remove C4x documentation.
4937 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
4938 refer to C4x source files as examples.
4939 (C4X_FLOAT_FORMAT): Remove documentation.
4941 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
4943 * config/bfin/bfin.c (override_options): Reorder tests so that
4944 flag_pic gets enabled for -msep-data.
4946 2008-01-25 Richard Guenther <rguenther@suse.de>
4949 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
4950 to its bitfield precision if required.
4952 2008-01-25 Jakub Jelinek <jakub@redhat.com>
4955 * tree-nested.c (walk_omp_for): New function.
4956 (convert_nonlocal_reference, convert_local_reference): Call
4957 walk_omp_for on OMP_FOR.
4958 (convert_call_expr): Call walk_body on OMP_FOR's
4959 OMP_FOR_PRE_INIT_BODY.
4961 2008-01-25 Richard Guenther <rguenther@suse.de>
4963 PR tree-optimization/34966
4964 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
4965 default defs and PHI_NODEs we have to insert after the
4968 2008-01-24 Nick Clifton <nickc@redhat.com>
4970 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
4971 Provide a default definition.
4972 (LIBGCC2_UNITS_PER_WORD): Likewise.
4974 * config/stormy16/stormy16.c: Include df.h for the prototype
4975 for df_regs_ever_live_p.
4976 (xstormy16_expand_builtin_va_start): Convert the stack offset
4977 into a component_ref and then use POINTER_PLUS_EXPR to add it
4978 to the incoming_virtual_args_rtx.
4979 (xstormy16_gimplify_va_arg_expr): Rename to
4980 xstormy16_gimplify_va_arg_expr.
4981 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
4982 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
4983 xstormy16_gimplify_va_arg_expr.
4984 Fix up some formatting issues.
4986 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
4987 Move to predicates.md.
4988 (xs_hi_general_operand): Likewise.
4989 (xs_hi_nonmemory_operand): Likewise.
4990 * config/stormy16/predicates.md:
4991 (xstormy16_carry_plus_operand): New predicate.
4992 (xs_hi_general_operand): New predicate.
4993 (xs_hi_nonmemory_operand): New predicate.
4994 * config/stormy16/stormy16-protos.h:
4995 (xstormy16_carry_plus_operand): Delete prototype.
4996 (xs_hi_general_operand): Likewise.
4997 (xs_hi_nonmemory_operand): Likewise.
4999 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
5000 modifiers as they are no longer needed and they can trigger
5001 reload spill failures.
5003 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
5004 with a match_operand in order to help reload.
5006 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
5007 constraint with 'e' for the 8th alternative as this version of
5008 the mov.w instruction only accepts the lower 8 registers.
5010 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
5013 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
5014 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
5017 2008-01-25 Jakub Jelinek <jakub@redhat.com>
5020 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
5022 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
5024 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
5026 (remove_structure): Update allocations list before removing structure.
5028 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
5030 * ipa-struct-reorg.c (is_safe_cond_expr,
5031 create_new_stmts_for_cond_expr): Use integer_zerop function,
5032 that recognize not only zero-pointer, but zero-integer too.
5034 2008-01-25 Ben Elliston <bje@au.ibm.com>
5037 * fixproto: Escape "." in sed expression that strips leading "./".
5039 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
5042 * gcc.c (SWITCH_OK): Removed.
5043 (SWITCH_LIVE): Changed to bit.
5044 (SWITCH_FALSE): Likewise.
5045 (SWITCH_IGNORE): Likewise.
5046 (switchstr): Change live_cond to unsigned int.
5047 (process_command): Replace SWITCH_OK with 0.
5048 (do_self_spec): Likewise.
5049 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
5050 (give_switch): Likewise.
5051 (used_arg): Likewise.
5052 (do_spec_1): Set the SWITCH_IGNORE bit.
5053 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
5054 bits. Set the SWITCH_LIVE bit.
5056 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
5058 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
5060 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
5062 PR tree-optimization/34472
5063 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
5064 parameter to a "bool *" and set *DATA to false if there is
5065 an unsafe access. Do not delete the structure here.
5066 (check_cond_exprs): Delete it here instead.
5067 (check_cond_exprs, exclude_cold_structs): Do not increase
5068 I when removing a structure.
5070 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
5073 * config/i386/i386.c (ix86_expand_vector_init): Consider only
5074 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
5076 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
5079 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
5080 a fixed vector for stack.
5082 2008-01-24 Ben Elliston <bje@au.ibm.com>
5085 * doc/gcc.texi (Software development): Add a direntry for g++.
5087 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
5089 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
5090 stale and straggling -fforce-addr comments above.
5092 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
5094 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
5095 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
5097 2008-01-23 Michael Matz <matz@suse.de>
5100 * dwarf2out.c (force_type_die): Use modified_type_die instead of
5103 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
5105 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
5108 2008-01-23 Anatoly Sokolov <aesok@post.ru>
5110 * config/avr/avr.c (avr_current_arch): New variable.
5111 (avr_arch_types): Add 'avr31' and 'avr51' entries.
5112 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
5113 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
5114 (avr_override_options): Init 'avr_current_arch'.
5115 (base_arch_s): Move from here...
5116 * config/avr/avr.h (base_arch_s): ... here. Add new members
5117 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
5118 'mega' to 'have_jmp_call'.
5119 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
5120 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
5122 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
5124 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
5125 MULTILIB_MATCHES): (Ditto.).
5127 2008-01-23 Richard Guenther <rguenther@suse.de>
5130 * cgraphunit.c (cgraph_reset_node): Always mark the node
5131 not reachable if it is not queued already.
5133 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
5135 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
5136 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
5137 (cputype_selected): New static variable.
5138 (bfin_handle_option): Set it if -mcpu is used.
5139 (override_option): Select default set of workarounds if no cpu type
5140 selected on the command line.
5141 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
5143 From Michael Frysinger <michael.frysinger@analog.com>
5144 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
5145 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
5147 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
5148 for bf547, bf523, bf524, and bf526.
5149 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
5151 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5152 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
5153 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
5154 __ADSPBF547__ and __ADSPBF54x__ for bf547.
5155 * doc/invoke.texi (Blackfin Options): Document that
5156 -mcpu now accept bf547, bf523, bf524, and bf526.
5158 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
5160 PR rtl-optimization/34628
5161 * combine.c (try_combine): Stop and undo after the first combination
5162 if an autoincrement side-effect on the first insn has effectively
5165 2008-01-22 David Edelsohn <edelsohn@gnu.org>
5168 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
5169 Offset addresses are not valid for Altivec or paired float modes.
5171 2008-01-22 Jakub Jelinek <jakub@redhat.com>
5174 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
5175 if DECL_INITIAL (decl) is error_mark_node.
5178 * c-common.c (handle_vector_size_attribute): Only allow
5179 integral, scalar float and fixed point types. Handle OFFSET_TYPE
5180 the same way as pointer, array etc. types.
5181 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
5184 * tree.c (build_type_attribute_qual_variant): Call
5185 build_qualified_type if attributes are equal, but quals are not.
5187 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5190 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
5191 * flags.h (warn_strict_aliasing): Remove.
5192 (warn_strict_overflow): Remove.
5193 * opts.c (warn_strict_aliasing): Remove.
5194 (warn_strict_overflow): Remove.
5195 * c-opts.c (c_common_handle_option): -Wall only sets
5196 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
5197 (c_common_post_options): Give default values to -Wstrict-aliasing
5198 and -Wstrict-overflow if they are uninitialized.
5199 * common.opt (Wstrict-aliasing): Specify Var and Init.
5200 (Wstrict-overflow): Likewise.
5202 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5204 PR rtl-optimization/26854
5205 PR rtl-optimization/34400
5206 PR rtl-optimization/34884
5207 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
5209 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
5210 (df_rd_bb_info.expanded_lr_out): Deleted
5211 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
5212 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
5213 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
5214 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
5215 Removed code to allocate, initialize or free expanded_lr_out.
5216 (df_rd_bb_local_compute_process_def): Restructured to make more
5218 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
5219 sets if the sets are being trimmed.
5221 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
5224 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
5225 (as_vers): Likewise.
5226 * configure: Regenerated.
5228 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5231 * tree-pass.h (pass_build_alias): New pass.
5232 * tree-ssa-alias.c (gate_build_alias): New.
5233 (pass_build_alias): New.
5234 * passes.c (init_optimization_passes): Add pass_build_alias after
5235 pass_create_structure_vars.
5237 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
5239 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
5240 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
5241 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
5242 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
5243 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
5244 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
5245 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
5246 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
5247 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
5248 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
5249 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
5250 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
5251 * config/s390/s390.md (FP_ALL): New mode iterator.
5252 (_d): New mode attribute.
5253 ("*signbit<mode>2>"): Changed mode of first operand.
5254 ("isinf<mode>2"): Changed mode of first operand.
5255 ("*TDC_insn"): Adaptation for DFP modes.
5257 2008-01-22 Ben Elliston <bje@au.ibm.com>
5259 * tree.c (check_qualified_type): Improve function description.
5261 2008-01-21 Jason Merrill <jason@redhat.com>
5264 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
5265 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
5268 2008-01-21 DJ Delorie <dj@redhat.com>
5270 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
5273 2008-01-21 Richard Guenther <rguenther@suse.de>
5276 * tree-cfg.c (verify_expr): Allow all invariant expressions
5277 instead of just constant class ones as reference argument.
5278 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
5279 like any other constant.
5280 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
5282 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
5284 * regmove.c (fixup_match_1): Update call crossed frequencies.
5286 2008-01-21 Richard Guenther <rguenther@suse.de>
5289 * tree-inline.c (setup_one_parameter): Deal with mismatched
5290 types using a VIEW_CONVERT_EXPR.
5292 2008-01-21 Alon Dayan <alond@il.ibm.com>
5293 Olga Golovanevsky <olga@il.ibm.com>
5295 PR tree-optimization/34701
5296 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
5297 when the structure size is not a power of 2.
5299 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
5301 * doc/install.texi: Add doc for --enable-checking=df.
5303 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
5305 PR rtl-optimization/34808
5306 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
5308 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
5310 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
5313 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
5315 PR rtl-optimization/26854
5316 PR rtl-optimization/34400
5317 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
5319 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
5320 (df_rd_bb_info.expanded_lr_out): New.
5321 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
5322 * loop_iv.c (iv_analysis_loop_init): Ditto.
5323 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
5324 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
5325 Added code to allocate, initialize or free expanded_lr_out.
5326 (df_rd_bb_local_compute_process_def): Restructured to make
5327 more understandable.
5328 (df_rd_confluence_n): Add code to do nothing with fake edges and
5329 code to no apply invalidate_by_call sets if the sets are being trimmed.
5330 (df_lr_local_finalize): Renamed to df_lr_finalize.
5331 (df_live_local_finalize): Renamed to df_live_finalize.
5333 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
5336 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
5337 deciding whether to use reciprocal instructions.
5339 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
5341 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
5342 dwarf2out_note_section_used if cold_text_section is NULL.
5344 2008-01-19 Jakub Jelinek <jakub@redhat.com>
5346 PR gcov-profile/34610
5347 * tree-cfg.c (make_edges): Mark both outgoing edges from
5348 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
5349 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
5350 from OMP_FOR and OMP_CONTINUE outgoing edges.
5352 * tree-profile.c (tree_profiling): Return early if
5353 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
5355 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
5356 from cfun to child_cfun.
5357 * function.h (struct function): Add after_tree_profile bit.
5359 2008-01-19 Anatoly Sokolov <aesok@post.ru>
5361 * config/avr/avr.S (_exit): Disable interrupt.
5363 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
5364 Steven Bosscher <stevenb.gcc@gmail.com>
5366 PR rtl-optimization/26854
5367 PR rtl-optimization/34400
5368 * df-problems.c (df_live_scratch): New scratch bitmap.
5369 (df_live_alloc): Allocate df_live_scratch when doing df_live.
5370 (df_live_reset): Clear the proper bitmaps.
5371 (df_live_bb_local_compute): Only process the artificial defs once
5372 since the order is not important.
5373 (df_live_init): Init the df_live sets only with the variables
5374 found live by df_lr.
5375 (df_live_transfer_function): Use the df_lr sets to prune the
5376 df_live sets as they are being computed.
5377 (df_live_free): Free df_live_scratch.
5379 2008-01-18 Ian Lance Taylor <iant@google.com>
5381 * common.opt: Add fmerge-debug-strings.
5382 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
5383 flag_merge_debug_strings rather than flag_merge_constants.
5384 * doc/invoke.texi (Option Summary): Mention
5385 -fmerge-debug-strings.
5386 (Debugging Options): Document -fmerge-debug-strings.
5388 2008-01-18 Ian Lance Taylor <iant@google.com>
5391 * tree.h (DECL_IS_OPERATOR_NEW): Define.
5392 (struct tree_function_decl): Add new field operator_new_flag.
5393 * tree-inline.c (expand_call_inline): When inlining a call to
5394 operator new, force the return value to go into a variable, and
5395 set DECL_NO_TBAA_P on that variable.
5396 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
5398 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
5401 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
5402 DWARF2_DEBUGGING_INFO.
5403 (dwarf2out_note_section_used): Ditto. Add prototype.
5404 (have_multiple_function_sections, text_section_used,
5405 cold_text_section_used, *cold_text_sections): Move declarations
5408 2008-01-17 Bob Wilson <bob.wilson@acm.org>
5410 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
5411 field and add signal_ra.
5412 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
5413 assignments to frame state pc. Move end of stack check after
5414 MD_FALLBACK_FRAME_STATE_FOR.
5415 (uw_update_context_1): Use frame state signal_regs if set, instead
5416 of checking signal_frame flag.
5417 (uw_update_context): Use frame state signal_ra if set.
5418 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
5419 * config/xtensa/linux-unwind.h: New file.
5421 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
5423 * modulo-sched.c (get_sched_window): Fix comment typo.
5425 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
5427 PR tree-optimization/34648
5428 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
5430 2008-01-17 Anatoly Sokolov <aesok@post.ru>
5432 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
5433 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
5435 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
5437 PR rtl-optimization/34400
5438 * df-core.c (df_worklist_dataflow_overeager,
5439 df_worklist_dataflow_doublequeue): New functions.
5440 (df_worklist_dataflow): Two different worklist solvers.
5441 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
5444 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
5447 * doc/invoke.texi: Document the dependence on pthread for fopenmp
5448 and ftree-parallelize-loops.
5450 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
5452 PR rtl-optimization/34826
5453 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
5455 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
5457 * global.c (find_reg): Mark the eh regs as used if necessary.
5458 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
5459 * ra.h (struct allocno): no_eh_reg field added. Changed
5460 no_stack_reg type to bitfield.
5462 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
5464 * tree.c (substitute_in_expr): Add missing 'break'.
5466 2008-01-17 Richard Guenther <rguenther@suse.de>
5468 PR tree-optimization/34825
5469 * tree-ssa-math-opts.c (is_division_by): Do not recognize
5470 x / x as division to handle.
5472 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5474 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
5475 "-pthread" is specified.
5476 * pa-hpux11.h (LIB_SPEC): Likewise.
5478 2008-01-16 Janis Johnson <janis187@us.ibm.com>
5479 Peter Bergner <bergner@vnet.ibm.com>
5481 PR rtl-optimization/33796
5482 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
5484 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5486 PR libgfortran/34699
5487 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
5489 * pa-hpux10.h (LINK_SPEC): Likewise.
5490 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
5492 2008-01-16 Richard Guenther <rguenther@suse.de>
5495 * fold-const.c (fold_convert_const_int_from_int): Do not
5496 set overflow if that occured only because of a sign extension
5497 change when converting from/to a sizetype with the same
5498 precision and signedness.
5500 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
5503 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
5504 location address to the correct place. Update copyright year.
5506 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
5508 * lambda-code.c (lambda_transform_legal_p): Handle the case of
5509 no dependences in the dependence_relations vector.
5511 2008-01-16 Jan Hubicka <jh@suse.cz>
5513 PR rtl-optimization/31396
5514 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
5515 * cfg.c (dump_reg_info): Print it.
5516 * regs.h (struct reg_info_t): add freq_calls_crossed.
5517 (REG_FREQ_CALLS_CROSSED): New macro.
5518 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
5519 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
5520 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
5521 regmove_optimize): Update call crossed frequencies.
5522 * local-alloc.c (struct qty): Add freq_calls_crossed.
5523 (alloc_qty): Copute freq_calls_crossed.
5524 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
5525 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
5526 * ra.h (struct allocno): Add freq_calls_crossed.
5528 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
5530 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
5531 libgomp when compiling with ftree-parallelize-loops.
5532 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
5534 2008-01-16 Richard Guenther <rguenther@suse.de>
5536 PR tree-optimization/34769
5537 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
5538 * tree.c (int_cst_value): Instead make this function more
5539 permissive in what it accepts as valid input. Document this
5540 function always sign-extends the value.
5542 2008-01-16 Jakub Jelinek <jakub@redhat.com>
5543 Richard Guenther <rguenther@suse.de>
5546 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
5547 (gimple_fold_indirect_ref_rhs): ... this.
5548 (gimple_fold_indirect_ref): New function with foldings
5549 that preserve lvalueness.
5550 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
5551 * tree-flow.h (gimple_fold_indirect_ref): Declare.
5552 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
5553 to fold an INDIRECT_REF, fall back to the old use of
5554 fold_indirect_ref_1.
5556 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
5558 * tree-data-ref.c (subscript_dependence_tester_1): Call
5559 free_conflict_function.
5560 (compute_self_dependence): Same.
5562 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
5565 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
5566 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
5568 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
5569 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
5570 for DWARF2_UNWIND_INFO targets.
5572 2008-01-16 Richard Guenther <rguenther@suse.de>
5575 * c-typeck.c (common_pointer_type): Do not merge inconsistent
5576 type qualifiers for function types.
5578 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
5580 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
5581 loop_iterator li from previous commit.
5583 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
5585 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
5587 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
5589 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
5590 (parallelize_loops): Don't parallelize irreducible components.
5592 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5595 * c-opts (c_common_post_options): Do not enable CPP
5596 flag_pedantic_errors by default.
5598 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
5600 PR rtl-optimization/31944
5601 * cse.c (remove_pseudo_from_table): New function.
5602 (merge_equiv_classes): Use above function to remove pseudo-registers.
5603 (invalidate): Likewise.
5605 2008-01-13 Richard Guenther <rguenther@suse.de>
5608 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
5609 instead of TYPE_MODE to deal with calls from expand_one_error_var.
5611 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
5613 * gcse.c (cprop_jump): Call validate_unshare_change instead of
5614 validate_change to unshare the source of the PC set.
5616 2008-01-12 Jan Hubicka <jh@suse.cz>
5619 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
5620 references above array bounds. This might trigger bounds checks for
5623 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
5625 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
5626 new_replaceable_dependencies.
5628 2008-01-12 Doug Kwan <dougkwan@google.com>
5630 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
5631 instead of OPT_Wreturn_type in warning due to ignored return type
5633 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
5634 options included in -Wextra.
5635 * c.opt: New option -Wignored_qualifiers.
5636 * doc/invoke.texi (Warning Options, -Wextra): Add new option
5637 -Wignore_qualifiers.
5638 (-Wignored-qualifiers): Document.
5639 (-Wreturn-type): Remove description of functionality now handled
5640 by -Wignored-qualifiers.
5642 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
5645 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
5646 NOP_EXPR if it is between integral types with the same precision.
5648 2008-01-12 Jan Hubicka <jh@suse.cz>
5651 * invoke.texi (max-inline-recursive-depth): Fix default value.
5653 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
5655 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
5658 2008-01-11 Bob Wilson <bob.wilson@acm.org>
5660 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
5662 2008-01-11 James E. Wilson <wilson@specifix.com>
5665 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
5667 2008-01-11 Anatoly Sokolov <aesok@post.ru>
5669 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
5670 save/restore frame pointer register and don't use 'call-prologues'
5671 optimization in function with "OS_task" attribute.
5673 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
5676 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
5677 when copying to memory.
5679 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
5681 PR rtl-optimization/30905
5682 * cfgcleanup.c: Include dce.h
5683 (crossjumps_occured): New global variable.
5684 (try_crossjump_bb): Exit loop after finding a fallthru edge.
5685 If something changed, set crossjumps_occured to true.
5686 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
5687 Don't add/remove fake edges to exit here...
5688 (cleanup_cfg): ...but do it here, when crossjumping.
5689 Run a fast DCE when successful crossjumps occured in the latest
5690 iteration of try_optimize_cfg.
5692 2008-01-11 Richard Guenther <rguenther@suse.de>
5694 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
5695 (struct vn_unary_op_s): Likewise.
5696 (vn_reference_insert): Free old reference on hash collision.
5698 2008-01-10 Raksit Ashok <raksit@google.com>
5700 PR rtl-optimization/27971
5701 * combine.c (find_split_point): Split PLUS expressions which are
5702 inside a MEM rtx, and whose first operand is complex.
5704 2008-01-10 DJ Delorie <dj@redhat.com>
5706 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
5707 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
5708 (m32c_hard_regno_ok): Call the underlying function.
5710 2008-01-10 Richard Guenther <rguenther@suse.de>
5713 * tree-cfg.c (tree_merge_blocks): Do not go through the
5714 full-blown folding and stmt updating path if we just deal
5715 with virtual operands.
5716 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
5717 test for abnormal SSA_NAMEs.
5719 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
5722 * reload.c (push_reload): Add assertions. All constants from
5723 reg_equiv_constant should have been used for replacing the respective
5725 (find_reloads_address): Invoke find_reloads_address_part for
5726 constant taken from the reg_equiv_constant array.
5728 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
5730 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
5731 field (valnum) the first in the struct. Replace bools with
5734 2008-01-10 Richard Guenther <rguenther@suse.de>
5736 PR tree-optimization/34651
5737 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
5738 types and ordering for masking and converting.
5740 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
5742 PR tree-optimization/34017
5743 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
5744 also for PHI_NODE expressions.
5746 2008-01-09 Jan Hubicka <jh@suse.cz>
5748 PR tree-optimization/34708
5749 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
5750 based on number of case labels.
5751 (init_inline_once): Remove switch_cost.
5752 * tree-inline.h (eni_weights_d): Remove switch_cost.
5754 2008-01-09 Richard Guenther <rguenther@suse.de>
5755 Andrew Pinski <andrew_pinski@playstation.sony.com>
5758 * gimplify.c (gimplify_cond_expr): Do not create an addressable
5759 temporary if an rvalue is ok or an lvalue is not required.
5761 2008-01-09 Richard Guenther <rguenther@suse.de>
5764 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
5767 2008-01-09 Richard Guenther <rguenther@suse.de>
5770 * tree.c (host_integerp): Check for sizetype only if the
5771 type is an integer type.
5773 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
5776 * opts.c (decode_options): Disable inlining of functions called
5777 once if not in unit-at-a-time mode.
5779 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
5781 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
5783 2008-01-08 Richard Guenther <rguenther@suse.de>
5786 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
5787 out early if the result will be unused.
5789 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
5794 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
5795 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5798 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
5800 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
5801 for vectorization tuned.
5803 2008-01-08 Richard Guenther <rguenther@suse.de>
5805 PR tree-optimization/34683
5806 * tree-ssa-operands.c (operand_build_cmp): Export.
5807 * tree-ssa-operands.h (operand_build_cmp): Declare.
5808 * tree-vn.c (vuses_compare): Remove.
5809 (sort_vuses): Use operand_build_cmp.
5810 (sort_vuses_heap): Likewise.
5811 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
5812 to re-use old VEC if available. Do not sort already sorted VUSEs.
5813 (vdefs_to_vec): Do not sort already sorted VDEFs.
5815 2008-01-08 Jakub Jelinek <jakub@redhat.com>
5818 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
5820 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
5823 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
5824 limitations of reciprocal sequences on x86 targets.
5826 2008-01-08 Richard Guenther <rguenther@suse.de>
5828 PR tree-optimization/34683
5829 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
5831 2008-01-07 Jakub Jelinek <jakub@redhat.com>
5834 * config/darwin.c (darwin_mergeable_string_section): Don't use
5835 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
5837 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
5840 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
5841 negxf2. Macroize expander using X87MODEF mode iterator. Change
5842 predicates of op0 and op1 to register_operand.
5843 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
5844 expander using X87MODEF mode iterator. Change predicates of
5845 op0 and op1 to register_operand.
5846 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
5847 corresponding patterns and macroize using MODEF macro. Change
5848 predicates of op0 and op1 to register_operand and remove
5849 "m" constraint. Disparage "r" alternative with "!".
5850 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
5851 macroize using X87MODEF macro. Change predicates of op0 and op1
5852 to register_operand and remove "m" constraint. Disparage "r"
5853 alternative with "!".
5854 (absneg splitter with memory operands): Remove.
5855 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
5856 patterns and macroize using X87MODEF mode iterator.
5857 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
5858 Change predicate of op1 to register_operand.
5859 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
5860 for memory operands.
5862 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
5864 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
5866 2008-01-07 Richard Guenther <rguenther@suse.de>
5868 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
5871 2008-01-07 Richard Guenther <rguenther@suse.de>
5873 PR tree-optimization/34683
5874 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
5875 VOPs of the needed size to save memory. Use VEC_quick_push
5876 to save compile-time.
5877 (vdefs_to_vec): Likewise.
5879 2008-01-07 Sa Liu <saliu@de.ibm.com>
5881 * config/spu/spu.md (divdf3): Genetate inline code for double
5882 division. The implementation doesn't handle INF or NAN, therefore it
5883 only applies when -ffinite-math-only is given.
5885 2008-01-06 Paolo Carlini <pcarlini@suse.de>
5888 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
5889 * doc/cpp.texi ([Common Predefined Macros]): Document.
5891 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
5893 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
5894 order to use commutative addition instead of subtraction.
5896 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
5897 Mircea Namolaru <namolaru@il.ibm.com>
5898 Vladimir Yanovsky <yanov@il.ibm.com>
5899 Revital Eres <eres@il.ibm.com>
5901 PR tree-optimization/34263
5902 * tree-outof-ssa.c (process_single_block_loop_latch,
5903 contains_tree_r): New functions.
5904 (analyze_edges_for_bb): Call process_single_block_loop_latch
5905 function to empty single-basic-block latch block if possible.
5907 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
5909 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5911 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
5913 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
5915 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
5917 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
5919 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
5921 2008-01-05 Jakub Jelinek <jakub@redhat.com>
5923 PR tree-optimization/34618
5924 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
5927 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
5930 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
5931 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
5932 Update copyright year.
5934 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
5935 Update copyright year.
5936 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
5939 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
5941 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
5942 edge does not point to current bb before changing need_assert.
5944 2008-01-04 Richard Guenther <rguenther@suse.de>
5947 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
5948 for verifying purposes if they are is_gimple_min_invariant.
5950 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
5952 PR tree-optimization/34448
5953 PR tree-optimization/34465
5954 * gimplify.c (gimplify_init_constructor): Add new parameter
5955 notify_temp_creation. Use it.
5956 (gimplify_modify_expr_rhs): Take volatiles into account when
5957 optimizing constructors.
5958 Do not optimize constructors if gimplify_init_constructor will dump to
5960 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
5961 * gcc.c-torture/compile/pr34448.c: New.
5963 2008-01-04 Jakub Jelinek <jakub@redhat.com>
5965 PR gcov-profile/34609
5966 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
5967 return_slot if result is TREE_ADDRESSABLE.
5969 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
5971 * config/mips/mips.md (sqrt_condition): Tweak comment.
5972 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
5974 2008-01-03 Tom Tromey <tromey@redhat.com>
5977 * c-common.c (c_type_hash): Handle VLAs.
5979 2008-01-03 Jan Hubicka <jh@suse.cz>
5981 PR tree-optimization/31081
5982 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
5983 0 when inlining and not inlining to first basic block.
5984 (remap_decl): When var is initialized to 0, don't set default_def.
5985 (expand_call_inline): Set entry_bb.
5986 * tree-inline.h (copy_body_data): Add entry_bb.
5988 2008-01-03 Jakub Jelinek <jakub@redhat.com>
5991 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
5994 PR tree-optimization/29484
5995 * tree-inline.c (inline_forbidden_p_2): New function.
5996 (inline_forbidden_p): Disallow inlining if some static var
5997 has an address of a local LABEL_DECL in its initializer.
5998 * doc/extend.texi (Labels as Values): Document &&foo behaviour
6001 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
6003 PR tree-optimization/34635
6004 * tree-data-ref.c (add_other_self_distances): Make sure that the
6005 evolution step is constant.
6007 2008-01-03 Jakub Jelinek <jakub@redhat.com>
6010 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
6012 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
6014 * tree-sra.c (scalarize_init): Insert the generate_element_init
6015 statements after the generate_element_zero statements.
6017 2008-01-02 Richard Guenther <rguenther@suse.de>
6021 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
6022 for very large number of operands instead of ICEing.
6024 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
6027 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
6028 while stack probing.
6030 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
6032 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
6035 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
6038 * tree-mudflap.c (mx_register_decls): Guard warning by
6039 !DECL_ARTIFICIAL check.
6041 2008-01-01 Jakub Jelinek <jakub@redhat.com>
6043 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
6044 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
6045 sse5_perm<mode>): Fix constraints.