1 2008-04-02 Rafael Espindola <espindola@google.com>
3 * tree-vrp.c (extract_code_and_val_from_cond): Remove.
4 (register_edge_assert_for_2): Split the cond argument.
5 (register_edge_assert_for_1): Adjust for the change in
6 register_edge_assert_for_2.
7 (register_edge_assert_for): Split the cond argument.
8 (find_switch_asserts): Adjust for the change in
9 register_edge_assert_for.
11 2008-04-02 Kai Tietz <kai.tietz@onevision.com>
13 * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
14 * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
15 offsets for 64-bit mingw.
16 * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
17 abi for x86_64-pc-mingw.
19 2008-04-02 Richard Guenther <rguenther@suse.de>
21 * tree-vrp.c (extract_range_from_assert): Make sure to not
22 produce range min/max with TREE_OVERFOW set.
23 If merging a anti-range and a range keep the anti-range if
24 the range covers all values of the type.
25 (register_edge_assert_for_2): Only allow sign-changing
26 conversions in detecting canonical range checks. Also
27 register an assert for the unsigned name if useful.
29 PR tree-optimization/35787
30 * tree-vrp.c (vrp_val_max): New function.
31 (vrp_val_min): Likewise.
32 (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
33 (vrp_val_is_min): Likewise.
34 (supports_overflow_infinity): Use vrp_val_{min,max}.
35 (negative_overflow_infinity): Likewise.
36 (positive_overflow_infinity): Likewise.
37 (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
38 (is_positive_overflow_infinity): Likewise.
39 (is_overflow_infinity): Likewise.
40 (avoid_overflow_infinity): Use vrp_val_{min,max} and
42 (set_and_canonicalize_value_range): Canonicalize anti-ranges
43 to ranges if possible. Avoid empty ranges.
45 2008-04-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
48 * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
49 the expression is a function address.
51 2008-04-01 George Helffrich <george@gcc.gnu.org>
53 PR fortran/PR35154, fortran/PR23057
54 * fortran/trans-common.c (create_common): Add decl to function
55 chain to preserve identifier scope in debug output.
57 * dbxout.c: Emit .stabs debug info for Fortran COMMON block
58 variables as base symbol name + offset using N_BCOMM/N_ECOMM.
59 (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
60 (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
62 (dbxout_syms): Check for COMMON-based symbol and wrap in
63 N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
64 in bracket for efficiency.
66 * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
67 using DW_TAG_common_block + member offset.
68 (add_pubname_string): New function.
69 (dw_expand_expr): New function to find block name and offset for
71 (common_check): New function to check whether symbol in Fortran COMMON.
72 (gen_variable_die): If COMMON, use DW_TAG_common_block.
74 * testsuite/gcc.dg/debug/pr35154.c: New test to check that non-Fortran
75 use of common is unchanged.
77 * testsuite/lib/gfortran-dg.exp: New harness to compile Fortran progs
78 with all combinations of debug options available on target.
79 * testsuite/gfortran.dg/debug/debug.exp: Ditto.
80 * testsuite/gfortran.dg/debug/trivial.f: Ditto.
81 * testsuite/gfortran.dg/debug/pr35154-stabs.f: New test case for
83 * testsuite/gfortran.dg/debug/pr35154-dwarf2.f: New test case for
86 2008-04-01 Volker Reichelt <v.reichelt@netcologne.de>
89 * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
91 2008-04-02 Ben Elliston <bje@au.ibm.com>
93 * config/v850/v850.md (casesi): Remove if (0) code.
94 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
95 * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
97 2008-04-01 Uros Bizjak <ubizjak@gmail.com>
99 * config/i386/i386.md (rex64suffix): New mode attribute.
100 (floathi<mode>2): Disable expander for SSE math.
101 (*floathi<mode>2_1): New insn insn_and_split pattern.
102 (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
103 corresponding post-reload splitters.
104 (*floathi<mode>2_i387): New macroized insn pattern.
105 (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
106 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
107 insn_and_split pattern.
108 (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
109 New macroized instruction patterns and corresponding post-reload
111 (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
112 and corresponding post-reload splitters.
113 (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
114 New macroized instruction patterns.
115 (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
116 macroized instruction patterns and corresponding post-reload splitters.
117 (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
118 corresponding post-reload splitters.
119 (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
120 New macroized instruction patterns.
121 (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
122 corresponding post-reload splitters.
123 (*floatsi<mode>2_i387): New macroized instruction patterns.
125 2008-04-01 H.J. Lu <hongjiu.lu@intel.com>
127 * config/i386/i386.md (smaxmin): New.
129 (maxminiprefix): Likewise.
130 (maxminfprefix): Likewise.
131 (<code><mode>3): Likewise.
132 (smin<mode>3): Removed.
133 (smax<mode>3): Likewise.
135 * config/i386/mmx.md (mmx_<code>v2sf3): New.
136 (mmx_<code>v4hi3): Likewise.
137 (mmx_<code>v8qi3): Likewise.
138 (mmx_smaxv2sf3): Removed.
139 (mmx_sminv2sf3): Likewise.
140 (mmx_umaxv8qi3): Likewise.
141 (mmx_smaxv4hi3): Likewise.
142 (mmx_uminv8qi3): Likewise.
143 (mmx_sminv4hi3): Likewise.
145 * config/i386/sse.md (<addsub><mode>3): New.
146 (*<addsub><mode>3): Likewise.
147 (<sse>_vm<addsub><mode>3): Likewise.
148 (<maxmin><mode>3): Likewise.
149 (*<maxmin><mode>3_finite): Likewise.
150 (*<maxmin><mode>3): Likewise.
151 (<sse>_vm<maxmin><mode>3): Likewise.
152 (sse3_h<addsub>v4sf3): Likewise.
153 (sse3_h<addsub>v2df3): Likewise.
154 (<maxmin>v16qi3): Likewise.
155 (*<maxmin>v16qi3): Likewise.
156 (<maxmin>v8hi3): Likewise.
157 (*<maxmin>v8hi3): Likewise.
158 (*sse4_1_<maxmin><mode>3): Likewise.
159 (*sse4_1_<maxmin><mode>3): Likewise.
160 (add<mode>3): Removed.
161 (*add<mode>3): Likewise.
162 (<sse>_vmadd<mode>3): Likewise.
163 (sub<mode>3): Likewise.
164 (*sub<mode>3): Likewise.
165 (<sse>_vmsub<mode>3): Likewise.
166 (smin<mode>3): Likewise.
167 (*smin<mode>3_finite): Likewise.
168 (*smin<mode>3): Likewise.
169 (<sse>_vmsmin<mode>3): Likewise.
170 (smax<mode>3): Likewise.
171 (*smax<mode>3_finite): Likewise.
172 (*smax<mode>3): Likewise.
173 (<sse>_vmsmax<mode>3): Likewise.
174 (sse3_haddv4sf3): Likewise.
175 (sse3_haddv2df3): Likewise.
176 (sse3_hsubv4sf3): Likewise.
177 (sse3_hsubv2df3): Likewise.
178 (umaxv16qi3): Likewise.
179 (*umaxv16qi3): Likewise.
180 (smaxv8hi3): Likewise.
181 (*smaxv8hi3): Likewise.
182 (*sse4_1_smax<mode>3): Likewise.
183 (*sse4_1_umax<mode>3): Likewise.
184 (uminv16qi3): Likewise.
185 (*uminv16qi3): Likewise.
186 (sminv8hi3): Likewise.
187 (*sminv8hi3): Likewise.
188 (*sse4_1_smin<mode>3): Likewise.
189 (*sse4_1_umin<mode>3): Likewise.
191 2008-04-01 Rafael Espindola <espindola@google.com>
193 * tree-cfg.c (verify_expr): remove in_phi.
194 (verify_stmt): Don't call walk_tree with verify_expr. Use
195 is_gimple_min_invariant instead of is_gimple_val.
197 2008-04-01 Joseph Myers <joseph@codesourcery.com>
199 * doc/include/gpl_v3.texi: Update for manpage generation.
200 * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
202 * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
203 * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
204 gpl_v3.texi instead of gpl.texi.
207 2008-04-01 Jakub Jelinek <jakub@redhat.com>
210 * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
212 2008-04-01 Rafael Espindola <espindola@google.com>
214 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
215 (extract_code_and_val_from_cond): Use
216 extract_code_and_val_from_cond_with_ops.
218 2008-04-01 Jan Hubicka <jh@suse.cz>
220 * function.c (free_after_compilation): Free epilogue_delay_list.
221 (prepare_function_start): Assert that previous compilation was freed.
223 2008-04-01 Jan Hubicka <jh@suse.cz>
224 Jim Wilson <wilson@tuliptree.org>
225 Andreas Tobler <andreast@gcc.gnu.org>
228 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
229 rtl.emit instead cfun->emit.
230 * sparc/sparc.h (INIT_EXPANDERS): Likewise.
231 * ia64/ia64.h (INIT_EXPANDERS): Likewise.
233 2008-04-01 Ben Elliston <bje@au.ibm.com>
235 * doc/c-tree.texi (Function Basics): Fix grammatical error.
237 2008-03-31 Seongbae Park <seongbae.park@gmail.com>
239 * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
241 (fprofile-use): Add var flag_profile_use
242 * coverage.c (coverage_begin_output): Do not open a gcno file for
243 output only if -ftest-coverage is set.
244 Do not add getpwd() to gcda file path.
245 (build_gcov_info): Check the new flag
246 flag_profile_datafile_relative_path.
247 (coverage_init): Use profile_data_prefix.
248 Read profile counter only if flag_profile_use is set.
249 * opts.c (common_handle_option): New option fprofile-use=,
250 fprofile-dir=, fprofile-generate=.
251 * toplev.c (profile_data_prefix): New variable definition.
252 * toplev.h (profile_data_prefix): New declaration.
253 * doc/invoke.tex (Option Summary, Optimization Options):
256 2008-03-31 James E. Wilson <wilson@tuliptree.org>
258 * varasm.c (output_constant_pool_1): In LABEL_REF check,
259 use tmp consistently.
262 * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
263 * config/ia64/ia64.c (rtx_needs_barrier): Handle
264 UNSPEC_FR_RECIP_APPROX_RES.
265 * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
267 2008-03-31 Volker Reichelt <v.reichelt@netcologne.de>
270 * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
272 2008-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
275 * fold-const.c (fold_indirect_ref_1): Support accessing non first
276 element of the vector via a pointer.
278 2008-03-31 Ian Lance Taylor <iant@google.com>
280 * tlink.c (scan_linker_output): Look for symbol name in single quotes.
282 2008-03-31 Jan Hubicka <jh@suse.cz>
284 * builtins.c (expand_builtin_setjmp_receiver): Update call of
285 get_arg_pointer_save_area.
286 * expr.c (init_expr): Just clear out rtl.expr.
287 * function.c (free_after_compilation): Clear out whole RTL structure.
288 (get_func_frame_size): Merge into ...
289 (get_frame_size): ... this one.
290 (assign_stack_local_1): Merge into ...
291 (assign_stack_local): ... this one.
292 (expand_function_end): Update call of get_arg_pointer_save_area.
293 (get_art_pointer_save_area): Remove cfun argument.
294 * function.h (emit_status): regno_pointer_align does not need length
295 attribute. Move x_regno_reg_rtx to ...
296 (regno_reg_rtx): ... new global array.
297 (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
298 (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
299 apply_args_value, forced_labels, stack_pointer_delta):
301 (struct varasm_status): Move here from varasm.c
302 (struct rtl_data): New. Move here some fields from struct function.
303 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
304 frame_offset, stack_check_probe_note, arg_pointer_save_area,
305 used_temp_slots avail_temp_slots, temp_slot_level,
306 nonlocal_goto_handler_labels): Update accesstors.
307 (rtl): New global variable.
308 (struct function): Move some fileds to rtl_data.
309 (get_arg_pointer_save_area): Update prototype.
310 * emit-rtl.c (rtl): Declare.
311 (regno_reg_rtx): Declare.
312 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
314 (gen_reg_rtx): Update.
315 (init_virtual_regs): Do not tate emit_status argument.
316 (init_emit): Do not allocate emit.
317 * varasm.c (varasm_statuc): Move to function.h.
318 (n_deferred_constatns): Update accestor.
319 (init_varasm_status): Do not allocate varasm_status.
320 (force_const_mem, get_pool_size, output_constant_pool): Update.
321 * stmt.c (force_label_rtx): Do not use x_ prefixes.
322 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
324 2008-03-31 Zdenek Dvorak <ook@ucw.cz>
326 PR rtl-optimization/35729
327 * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
330 2008-03-31 H.J. Lu <hongjiu.lu@intel.com>
333 * config/i386/i386.md (*movti_internal): Emit unaligned SSE
334 load/store if memory is unaligned.
335 (*movti_rex64): Likewise.
337 * config/i386/predicates.md (misaligned_operand): New.
339 2008-03-31 Andrew Pinski <pinskia@gmail.com>
342 * tree-ssa-phiopt.c (conditional_replacement): Return early for
345 2008-03-31 Jan Beulich <jbeulich@novell.com>
347 * config/ia64/constraints.md: Add 'j' constraint.
348 * config/ia64/ia64.md (movsi_internal): Add addp4 case.
349 (movdi_internal): Likewise.
351 2008-03-30 Volker Reichelt <v.reichelt@netcologne.de>
354 * c-typeck.c (build_c_cast): Skip invalid fields in unions.
356 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
359 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
360 proper error message for the third argument on blendpd and
363 * config/i386/sse.md (blendbits): New.
364 (sse4_1_blendp<ssemodesuffixf2c>): Use it.
366 2008-03-30 Eric Botcazou <ebotcazou@adacore.com>
368 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
370 2008-03-30 Richard Guenther <rguenther@suse.de>
373 * fold-const.c (fold_sign_changed_comparison): Do leave
374 conversions to base-types alone.
376 2008-03-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
378 * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
379 the link register if one altivec register is be saved.
381 2008-03-30 Ben Elliston <bje@au.ibm.com>
383 * final.c (final_scan_insn): Remove if (0) code.
385 2008-03-28 Volker Reichelt <v.reichelt@netcologne.de>
387 * c-parser.c (c_parser_next_token_is_keyword): Simplify.
389 2008-03-28 H.J. Lu <hongjiu.lu@intel.com>
391 * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
392 of V4SFmode to ix86_binary_operator_ok.
394 2008-03-28 Uros Bizjak <ubizjak@gmail.com>
396 * config/i386/i386.c (override_options): Initialize
397 ix86_veclib_handler to ix86_veclibabi_svml when
398 -mveclibabi=svml is used.
399 (ix86_veclibabi_svml): New function for SVML ABI style
400 vectorization support.
401 * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
403 2008-03-28 Rafael Espindola <espindola@google.com>
405 * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
406 (tree_binary_nonnegative_warnv_p): Make it public.
407 (tree_single_nonnegative_warnv_p): Make it public.
408 (tree_invalid_nonnegative_warnv_p): Make it public.
409 (tree_unary_nonzero_warnv_p): Make it public.
410 (tree_binary_nonzero_warnv_p): Make it public
411 (tree_single_nonzero_warnv_p): Make it public.
412 * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
413 (extract_range_from_binary_expr): Split the expr argument.
414 (extract_range_from_unary_expr): Split the expr argument.
415 (extract_range_from_comparison): Split the expr argument.
416 (extract_range_from_expr): Use the new aux functions.
417 (vrp_evaluate_conditional_warnv): Use
418 vrp_evaluate_conditional_warnv_with_ops.
419 * tree.h (tree_unary_nonzero_warnv_p): Declare.
420 (tree_binary_nonzero_warnv_p): Declare.
421 (tree_single_nonzero_warnv_p): Declare.
422 (tree_expr_nonzero_warnv_p): Declare.
423 (tree_unary_nonnegative_warnv_p): Declare.
424 (tree_binary_nonnegative_warnv_p): Declare.
425 (tree_single_nonnegative_warnv_p): Declare.
426 (tree_invalid_nonnegative_warnv_p): Declare.
428 2008-03-28 Richard Guenther <rguenther@suse.de>
430 PR tree-optimization/30317
431 PR tree-optimization/30911
432 PR tree-optimization/34793
433 * tree-vrp.c (set_and_canonicalize_value_range): New function.
434 (struct assert_locus_d): New member EXPR.
435 (register_new_assert_for): Add EXPR parameter to support
436 ASSERT_EXPR <name, expr OP limit>.
437 (register_edge_assert_for_1): Adjust callers.
438 (find_assert_locations): Likewise.
439 (process_assert_insertions_for): Build condition from expression.
440 (extract_range_from_assert): Handle ASSERT_EXPRs
441 of the form ASSERT_EXPR <name, expr OP limit>.
442 (register_edge_assert_for_2): New helper registering
443 asserts for comparisons. Recognize range tests of the form
444 (unsigned)i - CST1 OP CST2.
445 (register_edge_assert_for_1): Use it.
446 (register_edge_assert_for): Likewise.
447 (needs_overflow_infinity): Integer sub-types
448 do not need overflow infinities.
449 (vrp_val_is_max): The extreme values of integer sub-types
450 are those of the base type.
451 (vrp_val_is_min): Likewise.
452 * tree.def (ASSERT_EXPR): Document extra allowed conditional
455 2008-03-28 Nick Clifton <nickc@redhat.com>
457 * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
458 Return GENERAL_REGS for stack adjustment reloads.
460 2008-03-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
463 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
464 const_vector when all the vectors are constant.
466 2008-03-27 Bob Wilson <bob.wilson@acm.org>
468 * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
470 * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
471 (any_scc_sf): Add uneq, unlt, unle and unordered operators.
473 (s<code>_sf): Use new scc_sf attribute for opcode names.
475 2008-03-27 Tom Tromey <tromey@redhat.com>
477 * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
478 configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
479 config/spu/t-spu-elf, config/i386/t-interix,
480 config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
481 config/i386/x-darwin, config/i386/x-mingw32,
482 config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
483 config/sh/t-sh, config/sh/t-symbian, config/x-linux,
484 config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
485 config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
486 config/rs6000/x-rs6000, config/rs6000/x-darwin64,
487 config/rs6000/x-darwin, config/rs6000/t-rs6000,
488 config/score/t-score-elf, config/arm/t-strongarm-pe,
489 config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
490 config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
491 Revert automatic dependency patch.
493 2008-03-27 H.J. Lu <hongjiu.lu@intel.com>
496 * config/i386/i386.c (ix86_function_arg_boundary): Align
497 decimal floating point to its natural boundary.
499 2008-03-27 Richard Guenther <rguenther@suse.de>
502 * fold-const.c (fold_comparison): Restrict distinct decl
503 comparison folding to VAR_DECLs and PARM_DECLs. Do not
504 solely rely on operand_equal_p.
506 2008-03-27 Richard Guenther <rguenther@suse.de>
509 * c-common.c (handle_weak_attribute): Reject combination of
512 2008-03-27 Richard Guenther <rguenther@suse.de>
514 PR tree-optimization/32810
515 * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
516 conversions from DECL_INITIAL.
517 (fold_const_aggregate_ref): Likewise from constructor elements.
519 2008-03-27 Zdenek Dvorak <ook@ucw.cz>
521 * tree-affine.h (aff_combination_expand): Declare.
522 (get_inner_reference_aff): Likewise.
523 * tree-affine.c (aff_combination_expand): Split out from
524 tree_to_aff_combination_expand.
525 (get_inner_reference_aff): New function.
526 * tree-parloops.c (loop_parallel_p): Free vectorizer info.
527 * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
528 (struct lim_aux_data): sm_done field removed.
529 (mem_ref_loc_p, mem_ref_locs_p): New types.
530 (struct mem_ref): Added id, stored, accesses_in_loop,
531 indep_loop, dep_loop, indep_ref, dep_ref fields.
532 Removed is_stored, locs and next fields.
533 (memory_accesses): New variable.
534 (movement_possibility): Do not allow moving statements
535 that store to memory.
536 (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
538 (determine_max_movement): For statements with memory references,
539 find the outermost loop in that the reference is independent.
540 (move_computations_stmt): Mark the virtual operands for renaming.
541 (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
542 gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
543 vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
544 add_vop_ref_mapping, create_vop_ref_mapping_loop,
545 create_vop_ref_mapping, analyze_memory_references,
546 cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
547 get_all_locs_in_loop, ref_always_accessed_p,
548 refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
549 ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
550 store_motion_loop, store_motion): New functions.
551 (struct vop_to_refs_elt): New type.
552 (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
553 memref_hash, memref_eq, hoist_memory_references): Rewritten.
554 (schedule_sm): Replaced by...
555 (execute_sm): ... this.
556 (determine_lsm_ref, hoist_memory_references,
557 loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
558 find_more_ref_vops, free_mem_ref, free_mem_refs,
559 determine_lsm_loop, determine_lsm): Removed.
560 (tree_ssa_lim_finalize): Free data structures used by store motion.
561 (tree_ssa_lim): Call analyze_memory_references. Use
562 store_motion instead of determine_lsm.
564 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
566 * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
567 rename tmake_file to m68hc11/t-m68hc11.
568 (mcore): Set inhibit_libc to true.
569 * config.host (alpha*-dec-*vms*): Set extra_programs.
570 (interix3*): Don't use host_xmake_file.
571 * configure.ac: Let config.gcc override inhibit_libc.
572 * configure: Regenerate.
574 * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
575 * config/t-openbsd-thread: Remove commented out lines.
577 * config/x-interix: Remove.
579 * config/m68hc11/t-m68hc11-gas: Rename to...
580 * config/m68hc11/t-m68hc11: ... this. Remove T_CPPFLAGS.
582 * config/mcore/t-mcore: Remove T_CFLAGS.
583 * config/mcore/t-mcore-pe: Likewise.
585 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
587 * configure.ac: Replace custom __GNU_SOURCE test with
588 AC_USE_SYSTEM_EXTENSIONS. Move it earlier.
589 * aclocal.m4: Regenerate.
590 * configure: Regenerate.
591 * config.in: Regenerate.
593 2008-03-27 Richard Guenther <rguenther@suse.de>
595 * fold-const.c (target.h): Include.
596 (fold_comparison): Fold comparison of addresses of decls
597 that bind locally or of constants. Consolidate address folding code.
598 * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
599 results from fold_binary_to_constant.
600 (compare_values_warnv): Likewise.
602 2008-03-27 Andrew Pinski <pinskia@gmail.com>
605 * fold-const.c (fold_truthop): Check for integeral types when folding
606 a == 0 && b == 0 and a != 0 || b != 0 .
608 2008-03-26 Eric Botcazou <ebotcazou@adacore.com>
610 * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
612 2008-03-26 Andreas Schwab <schwab@suse.de>
614 * doc/invoke.texi: Fix use of @item vs. @itemx.
616 2008-03-26 Tom Tromey <tromey@redhat.com>
618 * Makefile.in (build/gensupport.o, build/print-rtl.o,
619 build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
620 build/genattrtab.o, build/genautomata.o, build/gencheck.o,
621 build/gencodes.o, build/genconditions.o, build/genconfig.o,
622 build/genconstants.o, build/genemit.o, build/genextract.o,
623 build/genflags.o, build/genmddeps.o, build/genopinit.o,
624 build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
627 2008-03-26 Richard Guenther <rguenther@suse.de>
630 2008-03-26 Richard Guenther <rguenther@suse.de>
632 * fold-const.c (target.h): Include.
633 (fold_comparison): Fold comparison of addresses of two decls
634 that bind locally. Consolidate address folding code.
636 2008-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
638 * builtins.c (expand_builtin_pow, fold_builtin_cabs,
639 fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
640 fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
641 dconstsqrt2, dconstthird, dconste and/or dconst10.
642 * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
643 * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
644 dconstsqrt2, dconste): Delete.
645 (init_emit_once): Likewise. Simplify initializing dconstm1.
647 * real.c (get_real_const): New.
648 * real.h (dconst3, dconst10, dconstm2, dconstthird,
649 dconstsqrt2, dconste): Delete.
650 (real_value_const, get_real_const): New.
652 2008-03-26 H.J. Lu <hongjiu.lu@intel.com>
654 * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
656 * config/i386/i386.c (ix86_function_arg_boundary): Check
657 BIGGEST_ALIGNMENT instead of 128.
658 (setup_incoming_varargs_64): Likewise.
660 2008-03-26 Tom Tromey <tromey@redhat.com>
662 * Makefile.in (DEPFILES): Add missing '/'.
664 2008-03-26 Richard Guenther <rguenther@suse.de>
666 * fold-const.c (target.h): Include.
667 (fold_comparison): Fold comparison of addresses of two decls
668 that bind locally. Consolidate address folding code.
670 2008-03-26 Nick Clifton <nickc@redhat.com>
673 * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
674 not allow INT+INT as a legitimate addressing mode.
676 2008-03-26 Richard Guenther <rguenther@suse.de>
678 * tree-flow.h (widen_bitfield): Remove declaration.
679 * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
680 (widen_bitfield): Remove function.
681 * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
684 2008-03-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
687 * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
690 2008-03-25 Richard Sandiford <rsandifo@nildram.co.uk>
692 PR rtl-optimization/35232
693 * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
694 (forget_old_reloads_1, forget_marked_reloads): Don't clear
695 reg_reloaded_call_part_clobbered here.
696 (reload_regs_reach_end_p): New function.
697 (reload_reg_rtx_for_input): New variable.
698 (reload_reg_rtx_for_output): Likewise.
699 (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
700 when reassigning a pseudo register. Load reloadreg from
701 reload_reg_rtx_for_input, moving the mode and register
703 (do_input_reload): ...here. Use the mode-adjusted reg_rtx
704 instead of the original when deciding whether an input reload
705 would be a no-op or whether an output reload can be deleted.
706 (emit_output_reload_insns): Use the mode-adjusted reg_rtx
707 when setting up new_spill_reg_store. Load it from
708 reload_reg_rtx_for_output, moving the mode and register
710 (do_output_reload): ...here. Use the mode-adjusted reg_rtx
711 instead of the original when deciding whether an output reload
712 would be a no-op. Do the same when modifying insn notes.
713 Use rtx_equal_p instead of == to compare the registers.
714 (inherit_piecemeal_p): Take a mode and two register numbers
716 (emit_reload_insns): Clear new_spill_reg_store for every hard
717 register in the reload register. Remove spill registers
718 from reg_reloaded_valid before considering whether to record
719 inheritance information for them. Use reload_reg_rtx_for_output
720 instead of reg_rtx when recording output reloads. Use
721 reload_reg_rtx_for_input instead of reg_rtx when recording
722 input reloads. Set or clear reg_reloaded_call_part_clobbered
723 at the same time as setting reg_reloaded_valid.
724 (delete_output_reload): Add a new_reload_reg parameter and use it
725 instead of rld[j].reg_rtx.
726 (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
729 2008-03-25 Tom Tromey <tromey@redhat.com>
731 * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
732 (build/genattr.o): Likewise.
733 (build/genattrtab.o): Likewise.
734 (build/gencodes.o): Likewise.
735 (build/genconfig.o): Likewise.
736 (build/genconstants.o): Likewise.
737 (build/genemit.o): Likewise.
738 (build/genextract.o): Likewise.
739 (build/genflags.o): Likewise.
741 2008-03-25 Bob Wilson <bob.wilson@acm.org>
743 * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
744 instead of size_int for integer types.
745 (xtensa_gimplify_va_arg_expr): Likewise. Convert index to sizetype
746 to match type of MINUS_EXPR.
748 2008-03-25 Tom Tromey <tromey@redhat.com>
750 * configure: Rebuilt.
751 * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
754 2008-03-25 Tom Tromey <tromey@redhat.com>
756 * config/x-solaris (host-solaris.o): Update.
757 * config/x-linux (host-linux.o): Update.
758 * config/x-hpux (host-hpux.o): Update.
759 * config/x-darwin (host-darwin.o): Update.
760 * config/v850/t-v850e (v850-c.o): Update.
761 * config/v850/t-v850 (v850-c.o): Update.
762 * config/t-vxworks (vxworks.o): Update.
763 * config/t-sol2 (sol2-c.o, sol2.o): Update.
764 * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
765 * config/spu/t-spu-elf (spu-c.o): Update.
767 * config/sh/t-symbian (sh-c.o): Update.
769 * config/sh/t-sh (sh-c.o): Update.
770 * config/score/t-score-elf (score7.o, score3.o): Update.
771 * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
772 * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
773 * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
774 * config/rs6000/t-rs6000 (rs6000-c.o): Update.
776 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
777 * config/m32c/t-m32c (m32c-pragma.o): Update.
778 * config/ia64/t-ia64 (ia64-c.o): Update.
779 * config/i386/x-mingw32 (host-mingw32.o): Update.
780 * config/i386/x-i386 (driver-i386.o): Update.
781 * config/i386/x-darwin (host-i386-darwin.o): Update.
782 * config/i386/x-cygwin (host-cygwin.o): Update.
783 * config/i386/t-nwld (nwld.o): Update.
784 * config/i386/t-netware (netware.o): Update.
785 * config/i386/t-interix (winnt.o): Update.
786 * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
787 * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
788 msformat-c.o): Update.
789 * config/bfin/t-bfin-linux (generated_files): Add
790 linux-sysroot-suffix.h.
791 * config/arm/t-wince-pe (pe.o): Update.
792 * config/arm/t-strongarm-pe (pe.o): Update.
793 * config/arm/t-pe (pe.o): Update.
794 * config/arm/t-arm (arm-c.o): Update.
795 * doc/install.texi (Prerequisites): Require make 3.80.
796 * Makefile.in: Remove .o targets.
797 (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
798 (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
799 (simple_generated_h, simple_generated_c): Move earlier.
800 (generated_files): New variable.
801 (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
802 TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
803 BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
804 ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
805 REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
806 CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
807 CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
808 INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
809 PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
810 TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
811 DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
812 VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
814 (COMPILE.base, COMPILE): New variables.
815 (%.o): New pattern rule.
816 (ALL_HOST_OBJS): New variable.
817 (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
818 (dummy-checksum.o, cc1-checksum.o): Remove.
819 (DRIVER_SHLIB): New variable.
820 (DRIVER_DEFINES): Use it.
821 (gencondmd.c): Move out of build/.
822 (s-conditions): Update.
823 (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
824 (ALL_BUILD_OBJS): Likewise.
825 (build/%.o): Use BUILDCOMPILE.
826 (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
827 build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
828 build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
829 build/gencheck.o, build/gencodes.o, build/genconditions.o,
830 build/genconfig.o, build/genconstants.o, build/genemit.o,
831 build/genextract.o, build/genflags.o, build/genmddeps.o,
832 build/genopinit.o, build/genoutput.o, build/genpeep.o,
833 build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
834 build/gen-protos.o, build/scan.o, build/fix-header.o,
835 build/scan-decls.o): Simplify.
836 (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
837 cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
838 prefix.o, toplev.o): Reduce to variable setting.
839 (libbackend.o): Use COMPILE. Remove most dependencies. Move later.
840 ($(out_object_file), gcc-options.o): New targets.
841 ($(ALL_HOST_OBJS)): New target. Include dependency files.
842 * configure: Rebuilt.
843 * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
844 * doc/sourcebuild.texi (Front End Directory): Document new variable.
846 2008-03-25 Douglas Gregor <doug.gregor@gmail.com>
848 * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
849 complain when we hit an error, return ERROR_MARK_NODE.
851 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
853 * config/sh/constraints.md (Pso, Psz): New constraints.
854 * config/sh/sh.c (print_operand): Add %V and %W operand codes.
855 * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
857 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
859 * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
860 * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
862 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
864 * config/sh/sh.md (prefetch): Add condition for SH2A target.
865 (prefetch_sh2a): New.
867 2008-03-25 Jayant Sonar <Jayant.sonar@kpitcummins.com>
868 Naveen.H.S <naveen.hs@kpitcummins.com>
870 * config/sh/constraints.md (I28): New constraint.
871 * config/sh/sh.c (broken_move): Add support for movi20s.
872 * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
874 2008-03-25 Anil Paranjape <anil.paranjape@kpitcummins.com>
875 Jayant Sonar <Jayant.sonar@kpitcummins.com>
876 Naveen.H.S <naveen.hs@kpitcummins.com>
878 * config/sh/sh.c (SH_ATTRIBUTES): Define.
879 (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
880 (print_operand): Handle resbank in %@ operand code.
881 (sh_encode_section_info): New.
882 (push_regs): Add conditions for resbank.
883 (sh_expand_epilogue): Likewise.
884 (sh_insert_attributes): Likewise.
885 (sh_attribute_table): Likewise.
886 (sh_handle_resbank_handler_attribute): New.
887 (sh2a_handle_function_vector_handler_attribute): New.
888 (sh2a_is_function_vector_call): New.
889 (sh2a_get_function_vector_number): New.
890 (sh2a_function_vector_p): New.
891 (sh_cfun_resbank_handler_p): New.
892 * config/sh/sh.md (calli): Emit jsr/n if possible.
893 (calli_tbr_rel): New.
894 (calli_pcrel): Emit jsr/n if possible.
895 (return_i): Emit rts/n if possible.
896 (call_valuei_tbr_rel): New.
897 (call_valuei_pcrel): Add condition for SH2A target.
898 (call_value): Likewise.
899 * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
900 (sh2a_get_function_vector_number): Likewise.
901 (sh2a_is_function_vector_call): Likewise.
902 * doc/extend.texi: Document TBR relative addressing of SH2A.
903 (resbank): Add description for SH2A.
905 2008-03-24 Richard Guenther <rguenther@suse.de>
908 * gimplify.c (gimplify_modify_expr): For frontend type-correct
909 pointer assignments change conversions according to middle-end rules.
910 (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
911 * configure.ac: Include type checking in yes.
912 * configure: Regenerate.
914 2008-03-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
916 * diagnostic.c (diagnostic_count_diagnostic): Delete.
917 (diagnostic_report_diagnostic): Update. Handle ICEs here.
919 2008-03-24 Nathan Sidwell <nathan@codesourcery.com>
921 * gthr-vxworks.h (UNUSED): Define.
923 2008-03-23 H.J. Lu <hongjiu.lu@intel.com>
925 * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
927 2008-03-23 Zuxy Meng <zuxy.meng@gmail.com>
929 * doc/extend.texi (Function Attributes): Add missing comma in the
930 example of the "alloc_size" attribute.
932 2008-03-23 Uros Bizjak <ubizjak@gmail.com>
935 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
937 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
940 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
943 * stor-layout.c (update_alignment_for_field): Set minimum alignment
944 of the underlying type of a MS bitfield layout to the natural
945 alignment of the type.
947 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
949 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
950 to their natural alignment to avoid store forwarding stalls.
952 2008-03-22 Richard Guenther <rguenther@suse.de>
954 * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
955 For PHI nodes verify the address is invariant.
956 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
957 (get_symbol_constant_value): Use is_gimple_min_invariant.
958 (maybe_fold_stmt_indirect): Likewise.
960 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
962 PR rtl-optimization/33927
963 * Makefile.in (dse.o): Depend on $(TM_P_H).
964 * expr.h (extract_low_bits): Declare.
965 * expmed.c (extract_low_bits): New function.
966 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
967 * dse.c: Include tm_p.h.
968 (find_shift_sequence): Remove the read_reg argument and return the
969 read value. Emit the instructions instead of returning them.
970 Iterate on new_mode rather than calculating it each time.
971 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
972 source to NEW_MODE and extract_low_bits to convert the shifted
974 (replace_read): Allow the load and store to have different mode
975 classes. Use extract_low_bits when SHIFT == 0. Create the shift
976 or extraction instructions before trying the replacement. Update
977 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
979 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
981 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
982 to their natural alignment to avoid store forwarding stalls.
984 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
987 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
988 encouraging but not allowing gprs for input;
989 change the input constraint to !f#r.
990 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
992 change the output constraint to !f#r.
994 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
997 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
998 corresponding post-reload splitters.
999 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
1000 when x87 FP math is selected.
1001 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
1002 New function prototype.
1003 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
1004 unreachable function to ease macroization of insn patterns.
1006 2008-03-21 Martin Jambor <mjambor@suse.cz>
1008 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
1009 reference dumps if ddr is NULL or dependence is unknown.
1011 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1013 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
1014 unsigned extension into account.
1015 (ATOMIC_COMPARE_AND_SWAP): Likewise.
1016 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
1017 Do computations on a scratch register.
1019 2008-03-21 Richard Guenther <rguenther@suse.de>
1021 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1022 Use is_gimple_min_invariant instead of TREE_INVARIANT.
1023 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
1024 * tree-ssa-dom.c (record_equality): Likewise.
1025 * tree-inline.c (copy_body_r): Likewise.
1026 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
1029 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1031 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
1032 as 'delete_unused' argument.
1034 2008-03-20 Richard Guenther <rguenther@suse.de>
1036 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1037 special casing of constant qualifiers.
1038 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
1039 care about them in general.
1040 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
1041 regardless of their type.
1042 (fold_stmt_r): Forcefully fold *& if we end up with that.
1044 2008-03-20 Paul Brook <paul@codesourcery.com>
1046 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
1047 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
1049 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
1051 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
1052 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
1054 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
1056 * common.opt (Wmudflap): New option.
1057 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
1058 (mx_register_decls): Likewise.
1059 (mudflap_finish_file): Likewise.
1060 * doc/invoke.texi: Document -Wno-mudflap.
1062 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
1064 * c-format.c (replace_format_name_to_system_name): New.
1066 (convert_format_name_to_system_name): New.
1067 (decode_format_attr): Add use of convert_format_name_to_system_name.
1068 (format_types_orig): Add gnu_ prefix to names.
1069 (check_format_info_main): Special treating of \0 escaped names for
1070 supporting multi-character format specifiers as I32, I64.
1071 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
1072 (gnu_target_overrides_format_attributes): New.
1073 * c-format.h: Add structure target_ovr_attr to hold
1074 system specific formatter names.
1075 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
1076 msformat-c.o file to c_target_objs and cxx_target_objs.
1077 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1078 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
1079 (TARGET_N_FORMAT_TYPES): New.
1080 * config/i386/msformat-c.c: New.
1081 * config/i386/t-cygming: Add build rule for msformat-c.o.
1082 * doc/extend.texi: Add new format names gnu_* and ms_* and
1084 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1086 2008-03-20 Ira Rosen <irar@il.ibm.com>
1088 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
1089 optimizations turned on under -O3.
1090 (ftree-vectorize): Add that the flag is turned on with -O3.
1092 2008-03-20 Ben Elliston <bje@au.ibm.com>
1094 * regmove.c (try_auto_increment): Fix spelling error in comment.
1095 * final.c (final_scan_insn): Likewise.
1097 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
1100 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
1101 allocator preferences for "y" and "r" class registers.
1102 ("*mov<mode>_internal"): Ditto.
1103 ("*movv2sf_internal_rex64"): Ditto.
1104 ("*movv2sf_internal"): Ditto.
1106 2008-03-19 Michael Matz <matz@suse.de>
1109 * calls.c (expand_call): Check overlap of arguments with call
1110 address for sibcalls.
1112 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
1115 * stor-layout.c (update_alignment_for_field): Set minimum alignment
1116 of the underlying type of a MS bitfield layout to the natural
1117 alignment of the type.
1119 2008-03-19 Jan Hubicka <jh@suse.cz>
1122 * toplev.c (decode_d_option): Handle all CPP flags.
1123 * tree-vrp.c: Update tree_pass descriptors.
1124 * regrename.c: Update tree_pass descriptors.
1125 * fwprop.c: Update tree_pass descriptors.
1126 * doc/invoke.texi: Remove documentation of dropped -d? flags.
1127 * tree-into-ssa.c: Update tree_pass descriptors.
1128 * tree-dump.c: Update tree_pass descriptors.
1129 * tree-complex.c: Update tree_pass descriptors.
1130 * tree-dump.h: Update tree_pass descriptors.
1131 * see.c: Update tree_pass descriptors.
1132 * cgraphbuild.c: Update tree_pass descriptors.
1133 * tracer.c: Update tree_pass descriptors.
1134 * tree-loop-distribution.c: Update tree_pass descriptors.
1135 * cgraph.c: Update tree_pass descriptors.
1136 * postreload-gcse.c: Update tree_pass descriptors.
1137 * postreload.c: Update tree_pass descriptors.
1138 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1139 * tree-tailcall.c: Update tree_pass descriptors.
1140 * tree-pass.h (tree_opt_pass): Rename to ...
1141 (opt_pass) ... this one; add "type" field and remove letter field.
1142 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
1143 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
1144 all_lowering_passes): Update declaration.
1145 * ipa-cp.c: Update tree_pass descriptors.
1146 * final.c: Update tree_pass descriptors.
1147 * omp-low.c: Update tree_pass descriptors.
1148 * tree-ssa-dse.c: Update tree_pass descriptors.
1149 * ipa-reference.c: Update tree_pass descriptors.
1150 * tree-ssa-uncprop.c: Update tree_pass descriptors.
1151 * auto-inc-dec.c: Update tree_pass descriptors.
1152 * reorg.c: Update tree_pass descriptors.
1153 * cgraphunit.c: Update tree_pass descriptors.
1154 * tree-ssa-copyrename.c: Update tree_pass descriptors.
1155 * tree-ssa-ccp.c: Update tree_pass descriptors.
1156 * df-core.c: Update tree_pass descriptors.
1157 * mode-switching.c: Update tree_pass descriptors.
1158 * tree-nomudflap.c: Update tree_pass descriptors.
1159 * modulo-sched.c: Update tree_pass descriptors.
1160 * ipa-pure-const.c: Update tree_pass descriptors.
1161 * cse.c: Update tree_pass descriptors.
1162 * web.c: Update tree_pass descriptors.
1163 * tree-stdarg.c: Update tree_pass descriptors.
1164 * tree-ssa-math-opts.c: Update tree_pass descriptors.
1165 * tree-ssa-dom.c: Update tree_pass descriptors.
1166 * tree-nrv.c: Update tree_pass descriptors.
1167 * tree-ssa-alias.c: Update tree_pass descriptors.
1168 * loop-init.c: Update tree_pass descriptors.
1169 * gimple-low.c: Update tree_pass descriptors.
1170 * ipa-inline.c: Update tree_pass descriptors.
1171 * tree-ssa-sink.c: Update tree_pass descriptors.
1172 * global.c: Update tree_pass descriptors.
1173 * ifcvt.c: Update tree_pass descriptors.
1174 * jump.c: Update tree_pass descriptors.
1175 * predict.c: Update tree_pass descriptors.
1176 * tree-ssa-loop.c: Update tree_pass descriptors.
1177 * recog.c: Update tree_pass descriptors.
1178 * dse.c: Update tree_pass descriptors.
1179 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
1180 * tree-eh.c: Update tree_pass descriptors.
1181 * regmove.c: Update tree_pass descriptors.
1183 * function.c: Update tree_pass descriptors.
1184 * tree-vectorizer.c: Update tree_pass descriptors.
1185 * gcse.c: Update tree_pass descriptors.
1186 * ipa-type-escape.c: Update tree_pass descriptors.
1187 * tree-if-conv.c: Update tree_pass descriptors.
1188 * init-regs.c: Update tree_pass descriptors.
1189 * ipa.c: Update tree_pass descriptors.
1190 * tree-ssa-phiopt.c: Update tree_pass descriptors.
1191 * rtl-factoring.c: Update tree_pass descriptors.
1192 * lower-subreg.c: Update tree_pass descriptors.
1193 * bt-load.c: Update tree_pass descriptors.
1194 * tree-dfa.c: Update tree_pass descriptors.
1195 * except.c: Update tree_pass descriptors.
1196 * emit-rtl.c: Update tree_pass descriptors.
1197 * cfgexpand.c: Update tree_pass descriptors.
1198 * tree-cfgcleanup.c: Update tree_pass descriptors.
1199 * cfgcleanup.c: Update tree_pass descriptors.
1200 * tree-ssa-pre.c: Update tree_pass descriptors.
1201 * tree-sra.c: Update tree_pass descriptors.
1202 * tree-mudflap.c: Update tree_pass descriptors.
1203 * tree-ssa-copy.c: Update tree_pass descriptors.
1204 * cfglayout.c: Update tree_pass descriptors.
1205 * tree-ssa-forwprop.c: Update tree_pass descriptors.
1206 * tree-ssa-dce.c: Update tree_pass descriptors.
1207 * tree-ssa.c: Update tree_pass descriptors.
1208 * regclass.c: Update tree_pass descriptors.
1209 * integrate.c: Update tree_pass descriptors.
1210 * tree-optimize.c: Update tree_pass descriptors.
1211 * tree-ssa-phiprop.c: Update tree_pass descriptors.
1212 * tree-object-size.c: Update tree_pass descriptors.
1213 * combine.c: Update tree_pass descriptors.
1214 * tree-outof-ssa.c: Update tree_pass descriptors.
1215 * bb-reorder.c: Update tree_pass descriptors.
1216 * stack-ptr-mod.c: Update tree_pass descriptors.
1217 * var-tracking.c: Update tree_pass descriptors.
1218 * tree-profile.c: Update tree_pass descriptors.
1219 * tree-vect-generic.c: Update tree_pass descriptors.
1220 * reg-stack.c: Update tree_pass descriptors.
1221 * sched-rgn.c: Update tree_pass descriptors.
1222 * tree-ssa-structalias.c: Update tree_pass descriptors.
1223 * tree-cfg.c: Update tree_pass descriptors.
1224 * passes.c (current_pass): Update declaration.
1225 (finish_optimization_passes): Update.
1226 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
1227 (register_one_dump_file, register_dump_files_1, next_pass_1):
1229 (init_optimization_passes): Update handling of new types.
1230 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
1231 * ipa-struct-reorg.c: Update tree_pass descriptors.
1232 * tree-ssa-reassoc.c: Update tree_pass descriptors.
1233 * combine-stack-adj.c: Update tree_pass descriptors.
1234 * cfgrtl.c: Update tree_pass descriptors.
1235 * dce.c: Update tree_pass descriptors.
1236 * tree-ssanames.c: Update tree_pass descriptors.
1238 2008-03-19 Richard Guenther <rguenther@suse.de>
1241 * tree-ssa.c (walk_data): New structure.
1242 (warn_uninitialized_var): If not always_executed warn with "maybe"
1244 (execute_early_warn_uninitialized): Compute post-dominators.
1245 Initialize always_executed before processing each basic block.
1247 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
1250 * config/i386/i386.c (x86_this_parameter): Calculate correct location
1251 of "this" pointer when "regparm = N" or "fastcall" is in effect.
1253 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1255 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1257 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
1259 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1261 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1262 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1263 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
1264 target after ignore has been set, and move there also the commputation
1265 of subtarget and original_target.
1266 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1267 (LANG_HOOKS_INITIALIZER): Remove it.
1268 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1270 2008-03-18 Richard Guenther <rguenther@suse.de>
1272 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1273 found an expression with constants, note that in the VN for the lhs.
1274 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1275 fold them to constants if possible. Run cleanup_cfg if done so.
1276 (execute_pre): Return todo.
1278 (execute_fre): Likewise.
1279 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1281 (get_prop_source_stmt): Look through pointer conversions.
1283 2008-03-18 Jan Hubicka <jh@suse.cz>
1285 * tree-pretty-print.c: Include predict.h.
1286 (dump_generic_node): Dump predictor.
1287 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1288 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1289 * gimple-low.c (lower_stmt): Likewise.
1290 * expr.c (expand_expr_real): Likewise.
1291 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1293 (build_predict_expr, build_predict_expr): New.
1294 * predict.h (predictor_name, build_predict_expr): Update.
1295 * c-typeck.c (c_finish_bc_stmt): Add prediction.
1296 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1297 * predict.def (PRED_CONTINUE): Update hitrate.
1298 * tree.def (PREDICT_EXPR): Define.
1299 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1300 do not handle BIND_EXPR.
1301 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1302 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1303 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1306 2008-03-18 Michael Matz <matz@suse.de>
1308 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1310 2008-03-18 Richard Guenther <rguenther@suse.de>
1312 * tree-gimple.h (is_gimple_invariant_address): Declare.
1313 (is_gimple_constant): Likewise.
1314 * tree-gimple.c (is_gimple_constant): New function.
1315 (is_gimple_invariant_address): Likewise.
1316 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1317 and is_gimple_invariant_address.
1318 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1320 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1321 an addressable base.
1323 2008-03-18 Jakub Jelinek <jakub@redhat.com>
1326 * gimplify.c (gimplify_expr): Gimplify second operand of
1329 2008-03-17 Richard Guenther <rguenther@suse.de>
1331 PR tree-optimization/19637
1332 * fold-const.c (fold_unary): Remove restrictions of removing
1333 intermediate pointer-conversions (P2)(P1)P0.
1334 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1335 conversion to void pointer.
1336 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1338 2008-03-16 James E. Wilson <wilson@tuliptree.org>
1341 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1342 emulated thread local variables.
1344 2008-03-16 Richard Guenther <rguenther@suse.de>
1347 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1348 expand TREE_INVARIANT operations that are not gimple invariant.
1350 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
1352 * doc/extend.texi (Alignment): Say that the ABI controls
1353 the __alignof__ for non-strict-alignment targets rather
1354 than being a recommendation.
1356 2008-03-15 Paul Brook <paul@codesourcery.com>
1358 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1360 (arm_output_fn_unwind): Mark functions that can not be unwound.
1362 2008-03-15 Paul Brook <paul@codesourcery.com>
1364 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1365 extension instructions.
1367 2008-03-15 Richard Guenther <rguenther@suse.de>
1369 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1370 and fold constant aggregate refs.
1371 (fold_const_aggregate_ref): Handle string constants
1372 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
1373 (evaluate_stmt): Simplify now that ccp_fold folds constant
1376 2008-03-15 Paul Brook <paul@codesourcery.com>
1378 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1379 (extzv): Use gen_extzv_t2.
1380 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1382 2008-03-15 Richard Guenther <rguenther@suse.de>
1384 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1385 (fold_const_aggregate_ref): Likewise.
1386 (get_value): Return NULL if we don't have any values.
1387 (ccp_finalize): Set const_val to NULL after freeing it.
1388 * tree-flow.h (get_symbol_constant_value): Declare.
1389 (fold_const_aggregate_ref): Likewise.
1390 * tree-ssa-sccvn.c (try_to_simplify): Use them.
1392 2008-03-15 Richard Guenther <rguenther@suse.de>
1395 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1396 to not produce negative array indices if not allowed. Add
1397 parameter to indicate that.
1398 (maybe_fold_offset_to_component_ref): Allow negative array
1399 indices only for the first member of a structure.
1400 (maybe_fold_offset_to_reference): Allow negative array indices.
1401 (maybe_fold_stmt_addition): Likewise.
1403 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
1404 Anatoly Sokolov <aesok@post.ru>
1406 * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1407 (avr_arch): Add ARCH_AVR6.
1408 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1409 (initial_elimination_offset): Initialize and use 'avr_pc_size'
1410 instead of fixed value 2.
1411 (print_operand_address): Use gs() asm specifier instead of pm().
1412 (avr_assemble_integer): (Ditto.).
1413 (avr_output_addr_vec_elt): (Ditto.).
1414 (print_operand): Handle "!" code.
1415 * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
1416 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1417 (AVR_HAVE_EIJMP_EICALL): Define.
1418 (AVR_3_BYTE_PC): Redefine.
1419 (AVR_2_BYTE_PC): (Ditto.).
1420 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1421 (LINK_SPEC): Add atmega2560 and atmega2561.
1422 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
1424 * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
1425 for 3 byte PC devices.
1426 (call_value_insn): (Ditto.).
1427 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1428 (indirect_jump): Use only for for 2 byte PC devices.
1429 (*tablejump): (Ditto.).
1430 (*indirect_jump_avr6): Add insn.
1431 (*tablejump_rjmp): Don't use for 3 byte PC devices.
1432 * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
1433 instead of ijmp for 3 byte PC devices.
1434 (__tablejump2__): (Ditto.).
1435 * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1436 (MULITLIB_DIRNAMES): (Ditto.).
1437 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1439 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
1441 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1442 "sse2_umulsidi3". Use V1DI mode for operand 0.
1443 ("mmx_psadbw"): Use V1DI mode for operand 0.
1444 * config/i386/i386-modes.def (V1SI): New vector mode.
1445 * config/i386/i386.c (struct builtin_description)
1446 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1447 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1448 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1449 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1450 v1di_ftype_v8qi_v8qi type.
1451 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1453 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1454 __builtin_ia32_pmuludq]: Fix the mode of return value.
1456 2008-03-15 Richard Guenther <rguenther@suse.de>
1459 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1462 2008-03-14 Bob Wilson <bob.wilson@acm.org>
1464 * doc/invoke.texi (Option Summary, Xtensa Options): Document
1465 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1466 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1467 unless TARGET_SERIALIZE_VOLATILE is enabled.
1468 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1469 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1470 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1472 2008-03-14 Richard Guenther <rguenther@suse.de>
1474 PR tree-optimization/34172
1475 * tree-flow.h (refs_may_alias_p): Declare.
1476 (get_single_def_stmt): Likewise.
1477 (get_single_def_stmt_from_phi): Likewise.
1478 (get_single_def_stmt_with_phi): Likewise.
1479 * tree-dfa.c (refs_may_alias_p): New function.
1480 (get_single_def_stmt): Likewise.
1481 (get_single_def_stmt_from_phi): Likewise.
1482 (get_single_def_stmt_with_phi): Likewise.
1483 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1484 (vn_reference_lookup_1): New helper function.
1485 (vn_reference_lookup): Walk the virtual use-def chain to
1486 continue searching for a match if the def does not alias the
1487 reference we are looking for.
1489 2008-03-14 David Edelsohn <edelsohn@gnu.org>
1491 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
1492 archive and Perzl. Update The Written Word listing.
1494 2008-03-14 Richard Guenther <rguenther@suse.de>
1496 PR tree-optimization/34043
1497 PR tree-optimization/33989
1498 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1500 (bitmap_find_leader): Use extra argument to verify dominance
1501 relationship inside a basic-block.
1502 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1503 (find_leader_in_sets): Adjust.
1504 (create_component_ref_by_pieces): Take extra argument for
1505 dominance check, handle lookup failures.
1506 (find_or_generate_expression): Likewise.
1507 (create_expression_by_pieces): Likewise.
1508 (insert_into_preds_of_block): Adjust.
1509 (create_value_expr_from): If asked for, verify all operands
1510 are in the blocks AVAIL_OUT set.
1511 (make_values_for_stmt): Check for SSA_NAMEs that are life
1512 over an abnormal edge.
1513 (compute_avail): Remove such check.
1514 (do_SCCVN_insertion): New function.
1515 (eliminate): If we do not find a leader suitable for replacement
1516 insert a replacement expression from SCCVN if available.
1517 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1518 (struct vn_ssa_aux): Add needs_insertion flag.
1519 * tree-ssa-sccvn.c (may_insert): New global flag.
1520 (copy_reference_ops_from_ref): Value-number union member access
1521 based on its size, not type and member if insertion is allowed.
1522 (visit_reference_op_load): For a weak match from union type
1523 punning lookup a view-converted value and insert a SSA_NAME
1524 for that value if that is not found.
1525 (visit_use): Make dumps shorter. Do not disallow value numbering
1526 SSA_NAMEs that are life over an abnormal edge to constants.
1527 (free_scc_vn): Release inserted SSA_NAMEs.
1528 (run_scc_vn): New flag to specify whether insertion is allowed.
1529 Process SSA_NAMEs in forward order.
1530 * tree-ssa-loop-im.c (for_each_index): Handle invariant
1531 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
1532 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
1533 pointer type to/from integral types that do not change the
1534 precision to regular conversions.
1536 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
1538 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1539 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1540 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
1541 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
1542 input arguments and the mode of return value. Built-in functions
1543 that operate on whole 64-bit MMX register now use V1DI mode.
1545 2008-03-13 Alon Dayan <alond@il.ibm.com>
1546 Olga Golovanevsky <olga@il.ibm.com>
1548 PR tree-optimization/35041
1549 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
1550 to locate the right position in a statement.
1552 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
1556 * config/i386/xmmintrin.h: Change all static inline functions to
1557 extern inline and add __gnu_inline__ attribute.
1558 * config/i386/bmintrin.h: Ditto.
1559 * config/i386/smmintrin.h: Ditto.
1560 * config/i386/tmmintrin.h: Ditto.
1561 * config/i386/mmintrin-common.h: Ditto.
1562 * config/i386/ammintrin.h: Ditto.
1563 * config/i386/emmintrin.h: Ditto.
1564 * config/i386/pmmintrin.h: Ditto.
1565 * config/i386/mmintrin.h: Ditto.
1566 * config/i386/mm3dnow.h: Ditto.
1568 2008-03-13 Jakub Jelinek <jakub@redhat.com>
1571 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
1572 (lower_omp_2): New function.
1573 (lower_omp_1, lower_omp): Rewritten.
1575 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
1578 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
1579 with the phrase "Microsoft Windows compilers".
1580 (Push/Pop Macro Pragmas): New subsection. Document
1581 #pragma push_macro and pragma pop_macro.
1583 2008-03-12 Paul Brook <paul@codesourcery.com>
1585 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
1587 2008-03-12 Paul Brook <paul@codesourcery.com>
1589 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
1590 (thumb2_alusi3_short): Exclude PLUS and MINUS.
1591 (thumb2_addsi_shortim): Rename ...
1592 (thumb2_addsi_short): ... to this. Allow register operands.
1593 (thumb2_subsi_short): New pattern.
1594 (thumb2_one_cmplsi2_short,
1595 thumb2_negsi2_short): New patterns and peepholes.
1597 2008-03-12 Paul Brook <paul@codesourcery.com>
1599 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
1601 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
1603 * config/i386/i386.md (int_cond): New code iterator.
1605 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
1606 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
1607 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
1608 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
1609 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1610 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1611 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1612 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1614 2008-03-12 Paul Brook <paul@codesourcery.com>
1616 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1617 instead of {arm,thumb}_compute_save_reg_mask.
1618 (output_return_instruction): Ditto.
1619 (thumb_unexpanded_epilogue): Ditto.
1620 (thumb1_expand_prologue): Ditto.
1621 (thumb1_output_function_prologue): Ditto.
1622 (arm_set_return_address): Ditto.
1623 (thumb_set_return_address): Ditto.
1624 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
1625 regs to achieve stack alignment.
1626 (thumb1_compute_save_reg_mask): Fix compiler warning.
1627 (arm_output_epilogue): Use offsets->saved_regs_mask.
1628 Adjust stack pointer by poping call clobered registers.
1629 (arm_expand_prologue): Use offsets->saved_regs_mask.
1630 Adjust stack pointer by pushing extra registers.
1631 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1633 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
1636 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1637 conversion to the operands of a multiplication.
1639 2008-03-12 Richard Guenther <rguenther@suse.de>
1641 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1642 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1643 * timevar.def (TV_TREE_PHIPROP): Add.
1644 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1645 pass description. Use TV_TREE_PHIPROP.
1646 * tree-ssa-forwprop.c: Remove phiprop code.
1648 2008-03-12 Jakub Jelinek <jakub@redhat.com>
1651 * omp-low.c (maybe_lookup_decl): Constify first argument.
1652 (use_pointer_for_field): Change last argument from bool to
1653 omp_context *. Disallow shared copy-in/out in nested
1654 parallel if decl is shared in outer parallel too.
1655 (build_outer_var_ref, scan_sharing_clauses,
1656 lower_rec_input_clauses, lower_copyprivate_clauses,
1657 lower_send_clauses, lower_send_shared_vars): Adjust callers.
1659 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
1660 Ira Rosen <irar@il.ibm.com>
1662 * tree-vectorizer.c (free_stmt_vec_info): New function.
1663 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1664 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1665 * tree-vectorizer.h (free_stmt_vec_info): Declare.
1666 * tree-vect-transform.c (vectorizable_conversion): Free
1667 vec_oprnds0 if it was allocated.
1668 (vect_permute_store_chain): Remove unused VECs.
1669 (vectorizable_store): Free VECs that are allocated in the..
1671 (vect_transform_strided_load, vectorizable_load): Likewise.
1672 (vect_remove_stores): Simplify the code.
1673 (vect_transform_loop): Move code to vect_remove_stores().
1674 Call vect_remove_stores() and free_stmt_vec_info().
1676 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1678 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1679 TARGET_HPUX. Revise comment.
1680 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1681 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1682 Use sr4 variant of `be' instruction when not generating PIC code.
1683 (attr_length_call): Adjust for above change.
1685 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1687 * ipa-reference.c (static_execute): Remove module_statics_const and
1688 associated setting code.
1690 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
1693 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1694 predicate for operand 1.
1695 (paritysi2_cmp): Use register_operand predicate for operand 2.
1696 Use earlyclobber modifier for operand 1. Remove support for
1698 (paritydi2_cmp): Use register_operand predicate for operand 3.
1699 Use earlyclobber modifier for operand 1. Remove support for
1702 2008-03-11 Paul Brook <paul@codesourcery.com>
1703 Vladimir Prus <vladimir@codesourcery.com>
1705 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1706 (arm_compute_save_reg0_reg12_mask): Always
1707 check if register 11 must be saved. Always safe hard frame pointer
1708 when frame_pointer_needeed.
1709 (arm_compute_save_reg_mask): Save IP and PC
1710 only with apcs frames.
1711 (arm_output_epilogue): Adjust Thumb2 codepath to
1712 be also invoked and work for ARM non-apcs frames.
1713 (arm_expand_prologue): Don't bother saving IP
1714 for non-apcs frame, since it's not clobbered by
1715 prologue code. Implement non-apcs frame
1718 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
1720 PR rtl-optimization/35281
1721 * expr.c (convert_move): Use a new pseudo for the intermediate
1722 from_mode->word_mode result.
1724 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
1726 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
1727 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
1728 * toplev.c (compile_file): Don't call it.
1730 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
1733 * expr.c (store_expr): Call emit_block_move if the mode
1734 of "temp" RTX is BLKmode.
1736 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1737 Richard Guenther <rguenther@suse.de>
1739 PR tree-optimization/31358
1740 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1741 the step with a NULL_TREE.
1742 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1743 to sizetype if type is a pointer type.
1744 (add_candidate_1): Don't convert the base and step to
1745 the generic type if the orginal type is a pointer type.
1746 (add_iv_value_candidates): Use sizetype for the step
1747 if type is a pointer type.
1748 (cand_value_at): Likewise.
1749 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1751 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
1752 Don't convert the tem affine to the type.
1753 (add_elt_to_tree): Use sizetype for the step if a pointer.
1754 Use POINTER_PLUS_EXPR for pointers.
1755 (aff_combination_to_tree): Use sizetype for the step if a
1758 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
1760 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
1761 Remove commutativity hint.
1763 2008-03-10 Jakub Jelinek <jakub@redhat.com>
1767 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
1768 errorneous type. Check that v is a VAR_DECL.
1771 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
1773 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
1775 PR tree-optimization/35494
1776 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
1777 may be overriden at link and run time.
1779 2008-03-10 Richard Guenther <rguenther@suse.de>
1781 PR tree-optimization/34677
1782 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
1783 (poolify_tree): Likewise.
1784 (modify_expr_template): Likewise.
1785 (poolify_modify_stmt): Likewise.
1786 (insert_fake_stores): Handle all component-ref style stores
1787 in addition to INDIRECT_REF. Also handle complex types.
1788 Do not poolify the inserted load.
1789 (realify_fake_stores): Do not rebuild the tree but only
1790 make it a SSA_NAME copy.
1791 (init_pre): Remove initialzation of modify_expr_template.
1792 Do not allocate modify_expr_node_pool.
1793 (fini_pre): Do not free modify_expr_node_pool.
1795 2008-03-10 Paul Brook <paul@codesourcery.com>
1797 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
1800 2008-03-10 Paul Brook <paul@codesourcery.com>
1801 Mark Shinwell <shinwell@codesourcery.com>
1803 * config/arm/cortex-r4.md: New.
1804 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
1806 * config/arm/arm.md: Include cortex-r4.md.
1807 (insn): Add smmls, sdiv and udiv values.
1808 (generic_sched): Don't use generic scheduling for Cortex-R4.
1809 (arm_issue_rate): New function.
1810 (TARGET_SCHED_ISSUE_RATE): Define.
1812 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
1814 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
1816 2008-03-10 Richard Guenther <rguenther@suse.de>
1818 * tree-ssa-pre.c (get_sccvn_value): Simplify.
1819 (compute_avail): Do not add stmt uses to AVAIL_OUT.
1821 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
1823 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1824 Set default to true.
1826 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1828 * c.opt (Wsynth): Deprecate.
1829 * doc/invoke.texi (Option Summary, Warning Options): Document
1830 -Wno-format-contains-nul.
1832 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
1835 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
1836 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
1838 2008-03-09 Ira Rosen <irar@il.ibm.com>
1840 * config/rs6000/rs6000.c (builtin_description): Rename vector
1841 left shift operations.
1842 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
1843 (altivec_vsl<VI_char>): Rename to ...
1844 (ashl<mode>3): ... new name.
1845 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
1847 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
1849 2008-03-08 Richard Guenther <rguenther@suse.de>
1851 * coverage.h (tree_coverage_counter_addr): Declare.
1852 * coverage.c (tree_coverage_counter_addr): New function.
1853 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
1855 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
1856 (tree_gen_one_value_profiler): Likewise.
1857 (tree_gen_ic_profiler): Likewise.
1858 (tree_gen_average_profiler): Likewise.
1859 (tree_gen_ior_profiler): Likewise.
1861 2008-03-08 Richard Guenther <rguenther@suse.de>
1863 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
1864 (vn_binary_op_insert): Likewise.
1865 (vn_unary_op_lookup): Likewise.
1866 (vn_unary_op_insert): Likewise.
1867 (vn_nary_op_lookup): Declare.
1868 (vn_nary_op_insert): Likewise.
1869 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
1870 and binary hashes, use a single obstack for unary_op_pool
1872 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
1873 a single struct vn_nary_op_s. Store tree code length and
1874 a variable number of operands.
1875 (struct vn_reference_op_struct): Remove unused op2.
1876 (vn_reference_op_eq): Do not compare op2.
1877 (vn_reference_op_compute_hash): Do not compute hash of op2.
1878 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
1879 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
1880 with vn_nary_op_compute_hash.
1881 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
1882 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
1884 (vn_unary_op_insert, vn_binary_op_insert): Replace with
1886 (visit_unary_op): Call nary functions.
1887 (visit_binary_op): Likewise.
1888 (process_scc): Adjust for struct vn_tables_s changes.
1889 (allocate_vn_table): Likewise.
1890 (free_vn_table): Likewise.
1891 * tree-vn.c (vn_add): Call nary functions.
1892 (vn_lookup): Likewise.
1894 2008-03-08 Jakub Jelinek <jakub@redhat.com>
1897 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
1898 wdst back after sync_compare_and_swapqhi_internal.
1900 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
1903 * config/i386/i386-modes.def (V1DI): New vector mode.
1904 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
1905 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
1906 (MMXMODE248): Ditto.
1907 (MMXMODE): Add V1DI mode.
1908 (mmxvecsize): Change DI mode to V1DI mode.
1909 ("mov<mode>): Use MMXMODEI8 mode iterator.
1910 ("*mov<mode>_internal_rex64"): Ditto.
1911 ("*mov<mode>_internal"): Ditto.
1912 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
1913 ("mmx_sub<mode>3"): Ditto.
1914 ("mmx_adddi3"): Remove insn pattern.
1915 ("mmx_subdi3"): Ditto.
1916 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
1917 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
1918 ("mmx_ashl<mode>3"): Ditto.
1919 ("mmx_lshrdi3"): Remove insn pattern.
1920 ("mmx_ashldi3"): Ditto.
1921 * config/i386/i386.c (classify_argument): Handle V1DImode.
1922 (function_arg_advance_32): Ditto.
1923 (function_arg_32): Ditto.
1924 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
1925 mmx_addv1di3 insn pattern.
1926 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
1927 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
1928 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
1929 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
1930 Remove definitions of built-in functions.
1931 (V1DI_type_node): New node.
1932 (v1di_ftype_v1di_int): Ditto.
1933 (v1di_ftype_v1di_v1di): Ditto.
1934 (v2si_ftype_v2si_si): Ditto.
1935 (v4hi_ftype_v4hi_di): Remove node.
1936 (v2si_ftype_v2si_di): Ditto.
1937 (ix86_init_mmx_sse_builtins): Handle V1DImode.
1938 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
1939 Redefine builtins using def_builtin_const with *_ftype_*_int node.
1940 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
1941 Add new builtins using def_builtin_const.
1942 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
1943 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
1944 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
1945 * config/i386/mmintrin.h (__v1di): New typedef.
1946 (_mm_add_si64): Cast arguments to __v1di type.
1947 (_mm_sub_si64): Ditto.
1948 (_mm_sll_pi16): Cast __count to __v4hi type.
1949 (_mm_sll_pi32): Cast __count to __v2si type.
1950 (_mm_sll_si64): Cast arguments to __v1di type.
1951 (_mm_srl_pi16): Cast __count to __v4hi type.
1952 (_mm_srl_pi32): Cast __count to __v2si type.
1953 (_mm_srl_si64): Cast arguments to __v1di type.
1954 (_mm_sra_pi16): Cast __count to __v4hi type.
1955 (_mm_sra_pi32): Cast __count to __v2si type.
1956 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
1957 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
1958 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
1959 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
1960 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
1961 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
1962 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
1963 (_mm_srai_pi32): Use __builtin_ia32_psradi.
1964 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
1965 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1966 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1967 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
1969 2008-03-07 Joseph Myers <joseph@codesourcery.com>
1971 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
1973 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
1976 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
1977 reg+const addressing for Altivec modes. Don't generate reg+reg
1978 addressing for TFmode or TDmode quantities.
1980 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
1982 * c-common.c (vector_types_convertible_p): Call langhook
1983 instead of comptypes.
1985 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1988 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
1989 integral and scalar float variables which have a
1992 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
1994 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
1995 dwarf_register_span hook when emitting unwind information for
1996 register-to-memory saves.
1997 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
1998 (rs6000_frame_related): Remove call to spe_synthesize_frame.
2000 2008-03-06 Jakub Jelinek <jakub@redhat.com>
2002 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
2003 for the same VAR_DECL.
2005 2008-03-06 Tom Tromey <tromey@redhat.com>
2008 * doc/standards.texi (Standards): Don't mention treelang.
2009 * doc/invoke.texi (Overall Options): Don't mention treelang.
2010 * doc/install.texi (Prerequisites): Don't mention bison or
2012 (Configuration): Don't mention treelang.
2013 (Building): Likewise.
2014 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
2016 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
2018 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
2019 word-extractions out of a multi-word object.
2021 2008-03-06 Richard Guenther <rguenther@suse.de>
2023 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
2024 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
2025 result type and precision.
2026 * expr.c (get_inner_reference): Set unsignedp based on the result
2027 type of BIT_FIELD_REF.
2028 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
2029 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
2030 (try_instantiate_multiple_fields): Likewise. Use the correct type
2032 (sra_build_assignment): Likewise.
2033 (sra_build_elt_assignment): Likewise.
2034 (sra_explode_bitfield_assignment): Likewise.
2035 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
2036 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
2037 set BIT_FIELD_REF_UNSIGNED.
2038 (vectorizable_load): Likewise.
2040 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
2042 * cse.c (cse_extended_basic_block): Invalidate artificial defs
2045 2008-03-06 Richard Guenther <rguenther@suse.de>
2047 * alias.c (struct alias_set_entry): Move has_zero_child field
2048 to pack with alias_set.
2050 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
2052 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2055 2008-03-05 Ian Lance Taylor <iant@google.com>
2057 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
2059 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
2061 * fwprop.c (update_df): Support width and offset parameters of
2063 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
2064 global_conflicts): Change DF_REF_EXTRACT to either
2065 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
2066 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2067 * df-scan.c (df_ref_record, df_defs_record,
2068 df_ref_create_structure, df_def_record_1, df_uses_record,
2069 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
2070 df_bb_refs_collect, df_entry_block_defs_collect,
2071 df_exit_block_uses_collect): Support new width and offset fields.
2072 (ref_extract_pool): New storage pool.
2073 (df_free_ref): New function.
2074 (df_reg_chain_unlink, df_free_collection_rec,
2075 df_sort_and_compress_refs): Call df_free_ref.
2076 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
2078 (df_ref_create_structure): Allocate df_ref_extract if offset and
2079 width fields are used.
2080 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
2081 (df_uses_record): Get offset and width from ZERO_EXTRACT
2083 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
2084 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
2085 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2086 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
2087 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
2088 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2089 (df_ref_extract): New structure.
2090 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
2091 (df_ref_create): Add width and offset parameters.
2093 2008-03-05 Richard Guenther <rguenther@suse.de>
2095 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2096 Use ranges_overlap_p.
2097 (offset_overlaps_with_access): Rename
2098 to ranges_overlap_p and move ...
2099 * tree-flow-inline.h (ranges_overlap_p): ... here.
2101 * tree.h (get_inner_reference, handled_component_p): Update
2104 * tree.h (record_component_aliases, get_alias_set,
2105 alias_sets_conflict_p, alias_sets_must_conflict_p,
2106 objects_must_conflict_p): Move declarations ...
2107 * alias.h (record_component_aliases, get_alias_set,
2108 alias_sets_conflict_p, alias_sets_must_conflict_p,
2109 objects_must_conflict_p): ... here.
2110 Include coretypes.h.
2111 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
2113 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
2115 * cfg.c: Include tree-flow.h.
2116 (remove_edge_raw): Call redirect_edge_var_map_clear.
2117 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
2118 * tree-flow-inline.h (redirect_edge_var_map_def): New.
2119 (redirect_edge_var_map_result): New.
2120 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
2121 PENDING_STMT use with redirect_edge_var_map_*.
2122 * tree-ssa.c (edge_var_maps): New definition.
2123 (redirect_edge_var_map_add): New.
2124 (redirect_edge_var_map_clear): New.
2125 (redirect_edge_var_map_dup): New.
2126 (redirect_edge_var_map_vector): New.
2127 (redirect_edge_var_map_destroy): New.
2128 (ssa_redirect_edge): Replace PENDING_STMT use with
2129 redirect_edge_var_map_*.
2130 (flush_pending_stmts): Same.
2131 (delete_tree_ssa): Destroy edge var map.
2132 * tree-flow.h (struct _edge_var_map): New.
2133 Define edge_var_map vector type.
2134 Declare redirect_edge_var_map_* prototypes.
2135 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2136 * tree-cfg.c (reinstall_phi_args): Replace
2137 PENDING_STMT use with redirect_edge_var_map_*.
2139 2008-03-05 Richard Guenther <rguenther@suse.de>
2141 PR tree-optimization/35472
2142 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
2143 whose single use_stmt has a overlapping set of loaded and
2144 stored symbols as that use_stmt might be a noop assignment then.
2146 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2148 * gthr-rtems.h: Implement __gthread_mutex_destroy.
2150 2008-03-05 Richard Guenther <rguenther@suse.de>
2153 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
2154 should be constants.
2155 * tree-cfg.c (verify_expr): Verify it.
2156 * fold-const.c (fold_truthop): Remove code generating
2157 BIT_FIELD_REFs of structure bases.
2158 (fold_binary): Likewise.
2159 (fold_ternary): Position and size of BIT_FIELD_REFs are
2160 always host integers.
2161 (make_bit_field_ref): Remove.
2162 (optimize_bit_field_compare): Remove.
2163 (all_ones_mask_p): Remove.
2165 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
2168 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
2169 (split_block_and_df_analyze): New. Split basic block and rebuild
2171 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
2173 (split_pattern_seq): Likewise.
2174 (erase_matching_seqs): Likewise.
2175 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
2177 2008-03-04 Geoff Keating <geoffk@apple.com>
2179 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
2180 declaration and code.
2181 (tree_invalid_nonnegative_warnv_p): Likewise.
2183 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2185 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
2186 examples. Truncate option-names then causing overfull hbox.
2188 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2191 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2193 * configure: Rebuilt.
2195 2008-03-04 Rafael Espindola <espindola@google.com>
2197 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2198 (tree_unary_nonnegative_warnv_p): New.
2199 (tree_binary_nonnegative_warnv_p): New.
2200 (tree_single_nonnegative_warnv_p): New.
2201 (tree_invalid_nonnegative_warnv_p): New.
2202 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2204 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2207 * opts.c (handle_option): Postpone 'unknown option' errors only for
2210 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
2213 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2216 2008-03-04 Rafael Espindola <espindola@google.com>
2218 * fold-const.c (tree_unary_nonzero_warnv_p): New.
2219 (tree_binary_nonzero_warnv_p): New.
2220 (tree_single_nonzero_warnv_p): New.
2221 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
2223 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
2226 * fold-const.c (fold_cond_expr_with_comparison): Prevent
2227 transformations for modes that have signed zeros.
2228 * ifcvt.c (noce_try_abs): Ditto.
2230 2008-03-04 Joseph Myers <joseph@codesourcery.com>
2232 * config/i386/i386.c (override_options): Force
2233 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
2235 2008-03-04 Jan Hubicka <jh@suse.cz>
2238 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2241 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
2243 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
2244 label to probe the stack.
2246 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
2248 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2249 (__gthr_win32_mutex_destroy): Declare.
2250 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2251 __gthr_win32_mutex_destroy.
2252 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
2254 2008-03-03 Jan Hubicka <jh@suse.cz>
2257 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2258 aggressive on inlining cold calls.
2260 2008-03-03 Richard Guenther <rguenther@suse.de>
2262 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2263 struct copies into the expression table.
2264 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2265 (try_to_simplify): Likewise.
2266 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2267 integral and pointer arguments which do not change the
2268 precision to NOP_EXPRs.
2269 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2270 VIEW_CONVERT_EXPR case.
2272 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
2274 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2275 defined in a loop at depth 0 is invariant.
2276 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2277 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2278 be called at loop depth 0.
2280 2008-03-02 Jakub Jelinek <jakub@redhat.com>
2283 * gcc.c (process_command): Update copyright notice dates.
2284 * gcov.c (print_version): Likewise.
2285 * gcov-dump.c (print_version): Likewise.
2286 * mips-tfile.c (main): Likewise.
2287 * mips-tdump.c (main): Likewise.
2289 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2292 * c-common.c (flag_permissive): Delete.
2293 (constant_expression_warnings): Check flags first.
2294 (constant_expression_error): New.
2295 * c-common.h (flag_permissive): Delete.
2296 (constant_expression_error): Declare.
2297 * flags.h (flag_permissive): Declare. Update description.
2298 * diagnostic.c (pedwarn): Update.
2300 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2301 (permissive_error_kind): New.
2302 * toplev.c (flag_permissive): Define. Update description.
2303 * toplev.h (permissive_error_kind): Declare.
2304 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2305 (pedwarn_c90): Use pedantic_warning_kind.
2306 * c-opts.c (c_common_post_options): flag_permissive does not affect
2307 flag_pedantic_errors.
2309 2008-03-02 Joseph Myers <joseph@codesourcery.com>
2311 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2312 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2313 __absvsi2, __absvDI2): Use unsigned arithmetic.
2315 2008-03-02 Andi Kleen <ak@suse.de>
2316 Richard Guenther <rguenther@suse.de>
2318 * struct-equiv.c: Remove file.
2319 * cfg_cleanup.c (condjump_equiv_p): Remove.
2320 * Makefile.in (OBJS-common): Remove struct-equiv.o.
2321 (struct-equiv.o): Remove rule.
2322 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2323 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
2324 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2326 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
2328 * ifcvt.c (noce_process_if_block): Try to handle only the then
2329 block if the else block exists but isn't suitable.
2331 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
2334 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2335 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2336 regression from previous patch.
2338 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
2341 * gthr.h: Add __gthread_mutex_destroy as a function that must be
2343 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2344 * gthr-single.h (__gthread_mutex_destroy): Likewise.
2345 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2346 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2347 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2348 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2349 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2350 (__gthread_mutex_destroy_function): Rename to
2351 __gthread_mutex_destroy.
2352 * gthr-dce.h (__gthread_mutex_destroy): Call
2353 pthread_mutex_destroy.
2354 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2355 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2356 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2358 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
2360 * df-scan.c (df_ref_chain_change_bb): Simplify.
2361 (df_insn_change_bb): Add new_bb argument. Simplify. Call
2362 set_block_for_insn if there's any change.
2363 * df.h ((df_insn_change_bb): Fix prototype.
2364 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2365 df_insn_change_bb, don't call set_block_for_insn.
2366 * emit-rtl.c (reorder_insns): Likewise.
2367 * haifa-sched.c (move_insn): Likewise.
2369 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
2371 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2373 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
2375 * tree-flow-inline.h (next_readonly_imm_use): Return
2376 NULL_USE_OPERAND_P after the end.
2378 2008-03-01 Richard Guenther <rguenther@suse.de>
2380 PR tree-optimization/35411
2381 * tree-sra.c (sra_build_assignment): Split conversion to
2382 final type to a separate statement if we are not assigning
2385 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2387 * fold-const.c (fold_convertible_p): Correct the logic to follow
2388 that in fold_convert().
2390 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
2393 * tree-inline.c (build_duplicate_type): When we make a
2394 duplicate type, make it unique in the canonical types system.
2396 2008-02-29 Tom Tromey <tromey@redhat.com>
2398 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2399 input_file_stack_history, input_file_stack_restored): Remove.
2400 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2401 * input.h (struct file_stack): Remove.
2402 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2403 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2405 * diagnostic.h (struct diagnostic_context) <last_module>: Change
2407 (diagnostic_last_module_changed): Add 'map' argument.
2408 (diagnostic_set_last_function): Likewise.
2409 * diagnostic.c (undiagnostic_report_current_module): Iterate using
2410 line map, not input_file_stack.
2411 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2413 2008-02-29 Paul Brook <paul@codesourcery.com>
2415 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2417 2008-02-29 Paul Brook <paul@codesourcery.com>
2419 * config/arm/ieee754-df.S (muldf3): Use RET macros.
2421 2008-02-29 Richard Guenther <rguenther@suse.de>
2423 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2425 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2426 value for comparing for a store match.
2427 (simplify_unary_expression): Do nothing for SSA_NAMEs.
2428 (try_to_simplify): Do not do a full-blown reference lookup.
2430 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
2432 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2433 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2435 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2437 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
2439 * tree-loop-linear.c (try_interchange_loops): Compare memory access
2440 strides against cache sizes.
2442 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
2444 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2447 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
2449 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2450 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2451 is smaller than the original promoted value.
2452 (simplify_subreg): If OP is a SUBREG, try to preserve its
2453 SUBREG_PROMOTED_VAR_P information.
2455 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
2457 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2458 (VN_INFO_GET): Allocate new objects on the obstack.
2459 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
2460 for rpo_numbers_temp, for consistency.
2461 (free_scc_vn): Free the obstack.
2463 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
2465 * doc/invoke.texi: Document -ftree-loop-distribution.
2466 * tree-loop-distribution.c: New.
2467 * tree-pass.h (pass_loop_distribution): New.
2468 * graphds.h (struct graph): Add htab_t indices.
2469 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2470 * tree-vectorizer.c (rename_variables_in_loop): Extern.
2471 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2472 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2473 * tree-data-ref.c (debug_data_dependence_relations): New.
2474 (dump_data_dependence_relation): Also print data references.
2475 (free_data_ref): Extern.
2476 (same_access_functions): Moved...
2477 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2478 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2479 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2480 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2481 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2482 (stmts_from_loop): Skip LABEL_EXPR.
2483 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2485 (build_rdg): Initialize rdg->indices htab.
2486 (free_rdg, stores_from_loop, ref_base_address,
2487 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2488 have_similar_memory_accesses_1, ref_base_address_1,
2489 remove_similar_memory_refs): New.
2490 * tree-data-ref.h: Depend on tree-chrec.h.
2491 (debug_data_dependence_relations, free_data_ref): Declared.
2492 (same_access_functions): ... here.
2493 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2495 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2496 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2497 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2498 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2499 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2500 rdg_vertex_for_stmt): Declared.
2501 (struct rdg_edge): Add level.
2503 (free_rdg, stores_from_loop, remove_similar_memory_refs,
2504 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2506 (rdg_has_similar_memory_accesses): New.
2507 * tree-vect-analyze.c: Remove unused static decls.
2508 * lambda.h (dependence_level): New.
2509 * common.opt (ftree-loop-distribution): New.
2510 * tree-flow.h (mark_virtual_ops_in_bb,
2511 slpeel_tree_duplicate_loop_to_edge_cfg,
2512 rename_variables_in_loop): Declared.
2513 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2514 (OBJS-common): Add tree-loop-distribution.o.
2515 (tree-loop-distribution.o): New rule.
2516 * tree-cfg.c (mark_virtual_ops_in_bb): New.
2517 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2518 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2520 2008-02-28 Joseph Myers <joseph@codesourcery.com>
2523 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
2524 other than structures and unions.
2526 2008-02-28 Richard Guenther <rguenther@suse.de>
2529 2008-02-26 Richard Guenther <rguenther@suse.de>
2531 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2532 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2533 (lookup_decl_from_uid): Declare.
2534 (remove_decl_from_map): Likewise.
2535 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2536 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2537 (decl_for_uid_map): New global hashtable mapping DECL_UID
2539 (init_ttree): Allocate it.
2540 (insert_decl_to_uid_decl_map): New helper function.
2541 (make_node_stat): Insert new decls into the map.
2542 (copy_node_stat): Likewise.
2543 (lookup_decl_from_uid): New function.
2544 (remove_decl_from_map): Likewise.
2545 (print_decl_for_uid_map_statistics): New helper.
2546 (dump_tree_statistics): Call it.
2548 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2549 (referenced_var_iterator): Adjust.
2550 (FOR_EACH_REFERENCED_VAR): Adjust.
2551 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2552 (num_referenced_vars): Adjust.
2553 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2554 (first_referenced_var): Remove.
2555 (end_referenced_vars_p): Likewise.
2556 (next_referenced_var): Likewise.
2557 (referenced_var_iterator_set): New helper function.
2558 * tree-dfa.c (referenced_var_lookup): Adjust.
2559 (referenced_var_check_and_insert): Likewise.
2560 (remove_referenced_var): Likewise.
2561 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2562 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2563 (verify_call_clobbering): Likewise.
2564 (verify_memory_partitions): Likewise.
2565 (init_tree_ssa): Allocate bitmap instead of hashtable for
2567 (delete_tree_ssa): Adjust.
2568 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2569 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2570 (compute_tag_properties): Likewise.
2571 (set_initial_properties): Likewise.
2572 (find_partition_for): Likewise.
2573 (update_reference_counts): Likewise.
2574 (dump_may_aliases_for): Likewise.
2575 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2576 (add_call_clobber_ops): Likewise.
2577 (add_call_read_ops): Likewise.
2578 (get_asm_expr_operands): Likewise.
2579 * tree-into-ssa.c (dump_decl_set): Likewise.
2580 (update_ssa): Likewise.
2581 * tree-sra.c (scan_function): Likewise.
2582 (decide_instantiations): Likewise.
2583 (scalarize_parms): Likewise.
2584 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2585 (dsa_named_for): Likewise.
2586 * tree-ssa-structalias.c (update_alias_info): Likewise.
2587 (merge_smts_into): Likewise.
2589 2008-02-27 David Daney <ddaney@avtrex.com>
2592 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
2593 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
2594 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
2595 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
2596 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
2598 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
2601 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
2602 (BUILT_IN_NEXTTOWARD): Remove.
2603 (BUILT_IN_NEXTTOWARDF): Ditto.
2604 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
2605 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
2607 2008-02-27 Tom Tromey <tromey@redhat.com>
2609 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2610 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2612 2008-02-27 Jan Beulich <jbeulich@novell.com>
2614 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2615 update the respective field on newdecl.
2617 2008-02-27 Revital Eres <eres@il.ibm.com>
2619 PR rtl-optimization/34999
2620 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2621 crossing edges that ends with a call insn.
2622 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2623 call insn and clear the EDGE_CROSSING flag of the crossing edge
2624 when fixing fallthru edges.
2626 2008-02-27 Richard Guenther <rguenther@suse.de>
2629 * fold-const.c (fold_unary): Return the correct argument,
2630 converted to the result type.
2632 2008-02-27 Richard Guenther <rguenther@suse.de>
2635 * expr.c (expand_expr_real_1): Assert on rotates that operate
2637 * fold-const.c (fold_binary): Use the types precision, not the
2638 bitsize of the mode if folding rotate expressions. Build rotates
2639 only for full modes.
2641 2008-02-27 Jakub Jelinek <jakub@redhat.com>
2643 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2645 * c-pragma.c (pragma_ns_name): New typedef.
2646 (registered_pp_pragmas): New variable.
2647 (c_pp_lookup_pragma): New function.
2648 (c_register_pragma_1): If flag_preprocess_only, do nothing
2649 for non-expanded pragmas, for expanded ones push pragma's
2650 namespace and name into registered_pp_pragmas vector.
2651 (c_invoke_pragma_handler): Register OpenMP pragmas even when
2652 flag_preprocess_only, don't register GCC pch_preprocess
2653 pragma if flag_preprocess_only.
2654 * c-opts.c (c_common_init): Call init_pragma even if
2655 flag_preprocess_only.
2656 * c-pragma.c (c_pp_lookup_pragma): New prototype.
2657 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2658 cpp_register_pragma if flag_preprocess_only.
2660 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2663 * c-parser.c (c_parser_translation_unit): Warn for empty
2664 translation unit, not empty source file.
2666 2008-02-26 Paul Brook <paul@codesourcery.com>
2668 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2669 operand for Thumb-2.
2670 * config/arm/arm.h (reg_class): Add CORE_REGS.
2671 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2672 (BASE_REG_CLASS): Use CORE_REGS.
2673 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2674 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2675 (REGNO_OK_FOR_INDEX_P): Exclude SP.
2676 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
2677 ARM_REGNO_OK_FOR_INDEX_P.
2678 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2679 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2680 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2681 (ldm/stm peepholes): Ditto.
2682 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2683 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2684 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2685 * config/arm/constraints.md: Enable "k" constraint on ARM.
2687 2008-02-27 Ben Elliston <bje@au.ibm.com>
2689 * config/rs6000/rs6000.c: Annotate cache line size field in all
2690 instances of struct processor_costs.
2692 2008-02-26 David Edelsohn <edelsohn@gnu.org>
2694 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2695 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2696 jump_bypass): New counters.
2697 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2698 * dce.c (gate_ud_dce): Same.
2699 (gate_fast_dce): Same.
2700 * dse.c (gate_dse1): New function.
2701 (gate_dse2): New function.
2702 (gate_dse): Merge results of new gate functions.
2703 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2704 (gate_handle_jump_bypass): Add dbg_cnt.
2705 (gate_handle_gcse): Add dbg_cnt.
2706 * ifcvt.c (gate_handle_if_conversion): Same.
2707 (gate_handle_if_after_combine): Same.
2708 (gate_handle_if_after_reload): Same.
2709 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2711 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
2713 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2715 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
2717 2008-02-26 Jason Merrill <jason@redhat.com>
2720 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
2721 alone if it's the naming decl for the type's main variant.
2723 2008-02-26 Tom Tromey <tromey@redhat.com>
2725 * system.h (USE_MAPPED_LOCATION): Poison.
2726 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
2727 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
2728 (make_goto_expr_edges): Likewise.
2729 (remove_bb): Likewise.
2730 (execute_warn_function_return): Likewise.
2731 * basic-block.h (struct edge_def) <goto_locus>: Change type to
2733 * c-common.c (fname_decl): Remove old location code.
2734 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2736 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2738 (ASM_INPUT_SOURCE_LOCATION): Likewise.
2739 (gen_rtx_ASM_INPUT): Likewise.
2740 (gen_rtx_ASM_INPUT_loc): Likewise.
2741 (get_rtx_asm_OPERANDS): Remove.
2742 * cfglayout.c (insn_locators_alloc): Remove old location code.
2743 (set_curr_insn_source_location): Likewise.
2744 (curr_insn_locator): Likewise.
2745 * print-tree.c (print_node): Remove old location code.
2746 * tree-mudflap.c (mf_varname_tree): Remove old location code.
2747 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2748 * cfgexpand.c (expand_gimple_cond_expr): Don't use
2749 location_from_locus.
2750 (construct_exit_block): Remove old location code.
2751 * emit-rtl.c (force_next_line_note): Remove old location code.
2752 * profile.c (branch_prob): Remove old location code.
2753 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
2754 LOC_LINE): Remove old-location variants.
2755 * langhooks.c (lhd_print_error_function): Remove old location
2757 * configure, config.in: Rebuilt.
2758 * configure.ac (--enable-mapped-location): Remove.
2759 * c-decl.c (c_init_decl_processing): Remove old location code.
2760 (finish_function): Likewise.
2761 * recog.c (decode_asm_operands): Remove old location code.
2762 * c-pch.c (c_common_read_pch): Remove old location code.
2763 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
2765 * gimple-low.c (lower_function_body): Remove old location code.
2766 * toplev.c (unknown_location): Remove.
2767 (push_srcloc): Remove old-location variant.
2768 (process_options): Remove old location code.
2769 (lang_dependent_init): Likewise.
2770 * input.h (UNKNOWN_LOCATION): Move definition.
2771 (location_t): Undeprecate.
2772 (source_locus): Remove.
2773 (location_from_locus): Remove.
2774 (struct location_s): Remove.
2775 Remove all old-location code.
2776 (input_line, input_filename): Remove.
2777 * final.c (final_scan_insn): Remove old location code.
2778 * diagnostic.c (diagnostic_build_prefix): Remove
2779 USE_MAPPED_LOCATION test.
2780 * tree.h (gimple_stmt) <locus>: Now a location_t.
2781 (tree_exp) <locus>: Likewise.
2782 (DECL_IS_BUILTIN): Remove old-location variant.
2783 (annotate_with_file_line, annotate_with_locus): Likewise.
2784 (expr_locus, set_expr_locus): Update.
2785 * tree.c (build1_stat): Remove old location code.
2786 (last_annotated_node): Remove.
2787 (annotate_with_file_line): Remove old-location variant.
2788 (annotate_with_locus): Likewise.
2789 (expr_location): Remove old location code.
2790 (set_expr_location): Likewise.
2791 (expr_has_location): Likewise.
2792 (expr_locus): Likewise.
2793 (set_expr_locus): Likewise.
2794 (expr_filename): Don't use location_from_locus.
2795 (expr_lineno): Likewise.
2796 * rtl-error.c (location_for_asm): Remove old location code.
2797 * c-lex.c (cb_line_change): Remove old location code.
2798 (fe_file_change): Likewise.
2799 (cb_def_pragma): Likewise.
2800 (c_lex_with_flags): Likewise.
2801 * gengtype.c (do_typedef): Don't special-case location types.
2802 (define_location_structures): Remove.
2803 (main): Don't call define_location_structures.
2804 * tree-pretty-print.c (dump_implicit_edges): Remove old location
2807 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2810 * builtins.def (BUILT_IN_STDARG_START): Remove.
2811 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
2812 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2813 * tree-inline.c (inline_forbidden_p_1): Likewise.
2815 2008-02-26 Richard Guenther <rguenther@suse.de>
2817 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2818 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2819 (lookup_decl_from_uid): Declare.
2820 (remove_decl_from_map): Likewise.
2821 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2822 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2823 (decl_for_uid_map): New global hashtable mapping DECL_UID
2825 (init_ttree): Allocate it.
2826 (insert_decl_to_uid_decl_map): New helper function.
2827 (make_node_stat): Insert new decls into the map.
2828 (copy_node_stat): Likewise.
2829 (lookup_decl_from_uid): New function.
2830 (remove_decl_from_map): Likewise.
2831 (print_decl_for_uid_map_statistics): New helper.
2832 (dump_tree_statistics): Call it.
2834 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2835 (referenced_var_iterator): Adjust.
2836 (FOR_EACH_REFERENCED_VAR): Adjust.
2837 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2838 (num_referenced_vars): Adjust.
2839 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2840 (first_referenced_var): Remove.
2841 (end_referenced_vars_p): Likewise.
2842 (next_referenced_var): Likewise.
2843 (referenced_var_iterator_set): New helper function.
2844 * tree-dfa.c (referenced_var_lookup): Adjust.
2845 (referenced_var_check_and_insert): Likewise.
2846 (remove_referenced_var): Likewise.
2847 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2848 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2849 (verify_call_clobbering): Likewise.
2850 (verify_memory_partitions): Likewise.
2851 (init_tree_ssa): Allocate bitmap instead of hashtable for
2853 (delete_tree_ssa): Adjust.
2854 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2855 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2856 (compute_tag_properties): Likewise.
2857 (set_initial_properties): Likewise.
2858 (find_partition_for): Likewise.
2859 (update_reference_counts): Likewise.
2860 (dump_may_aliases_for): Likewise.
2861 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2862 (add_call_clobber_ops): Likewise.
2863 (add_call_read_ops): Likewise.
2864 (get_asm_expr_operands): Likewise.
2865 * tree-into-ssa.c (dump_decl_set): Likewise.
2866 (update_ssa): Likewise.
2867 * tree-sra.c (scan_function): Likewise.
2868 (decide_instantiations): Likewise.
2869 (scalarize_parms): Likewise.
2870 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2871 (dsa_named_for): Likewise.
2872 * tree-ssa-structalias.c (update_alias_info): Likewise.
2873 (merge_smts_into): Likewise.
2875 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2878 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
2879 * c-opts.c (c_common_handle_option): Wall enables
2880 Wvolatile-register-var.
2881 * common.opt: Move Wvolatile-register-var to...
2884 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2886 * common.opt (Wlarger-than=): New.
2887 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
2889 * opts.c (common_handle_option): Handle -Wlarger-than=.
2890 * optc-gen.awk: Likewise.
2891 * opth-gen.awk: Likewise.
2892 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
2893 * tree-optimize.c (tree_rest_of_compilation): Likewise.
2895 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2897 * c-common.c (match_case_to_enum_1): Add appropriate
2898 OPT_W* parameter to warning.
2899 (c_do_switch_warnings): Likewise.
2900 * c-typeck.c (warning_init): Add one more parameter following
2902 (push_init_level): Update call to warning_init.
2903 (pop_init_level): Likewise.
2904 (add_pending_init): Likewise.
2905 (output_init_element: Likewise.
2907 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2910 * toplev.c (toplev_main): If there are warnings or error, print
2911 errors for ignored options.
2912 * opts.c (ignored_options): New static variable.
2913 (postpone_unknown_option_error): New.
2914 (print_ignored_options): New.
2915 (handle_option): Postpone errors for unknown -Wno-* options.
2916 * opts.h (print_ignored_options): Declare.
2918 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
2920 * config/mips/mips.md (loadgp_blockage, blockage): Change type
2923 2008-02-25 Richard Guenther <rguenther@suse.de>
2926 2008-02-25 Richard Guenther <rguenther@suse.de>
2928 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2929 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2930 (lookup_decl_from_uid): Declare.
2931 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2932 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2933 (decl_for_uid_map): New global hashtable mapping DECL_UID
2935 (init_ttree): Allocate it.
2936 (insert_decl_to_uid_decl_map): New helper function.
2937 (make_node_stat): Insert new decls into the map.
2938 (copy_node_stat): Likewise.
2939 (lookup_decl_from_uid): New function.
2940 (print_decl_for_uid_map_statistics): New helper.
2941 (dump_tree_statistics): Call it.
2943 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2944 (referenced_var_iterator): Adjust.
2945 (FOR_EACH_REFERENCED_VAR): Adjust.
2946 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2947 (num_referenced_vars): Adjust.
2948 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2949 (first_referenced_var): Remove.
2950 (end_referenced_vars_p): Likewise.
2951 (next_referenced_var): Likewise.
2952 (referenced_var_iterator_set): New helper function.
2953 * tree-dfa.c (referenced_var_lookup): Adjust.
2954 (referenced_var_check_and_insert): Likewise.
2955 (remove_referenced_var): Likewise.
2956 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2957 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2958 (verify_call_clobbering): Likewise.
2959 (verify_memory_partitions): Likewise.
2960 (init_tree_ssa): Allocate bitmap instead of hashtable for
2962 (delete_tree_ssa): Adjust.
2963 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2964 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2965 (compute_tag_properties): Likewise.
2966 (set_initial_properties): Likewise.
2967 (find_partition_for): Likewise.
2968 (update_reference_counts): Likewise.
2969 (dump_may_aliases_for): Likewise.
2970 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2971 (add_call_clobber_ops): Likewise.
2972 (add_call_read_ops): Likewise.
2973 (get_asm_expr_operands): Likewise.
2974 * tree-into-ssa.c (dump_decl_set): Likewise.
2975 (update_ssa): Likewise.
2976 * tree-sra.c (scan_function): Likewise.
2977 (decide_instantiations): Likewise.
2978 (scalarize_parms): Likewise.
2979 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2980 (dsa_named_for): Likewise.
2981 * tree-ssa-structalias.c (update_alias_info): Likewise.
2982 (merge_smts_into): Likewise.
2984 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
2987 * doc/invoke.texi (-fcx-limited-range): Document new option.
2988 * toplev.c (process_options): Handle -fcx-fortran-rules.
2989 * common.opt: Add documentation for -fcx-fortran-rules.
2991 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
2994 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
2995 actual behaviour and C99.
2997 2008-02-26 Ben Elliston <bje@au.ibm.com>
2999 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
3000 (ASM_CPU_POWER6_SPEC): Likewise.
3001 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
3002 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
3003 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
3005 2008-02-25 Richard Guenther <rguenther@suse.de>
3007 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3008 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3009 (lookup_decl_from_uid): Declare.
3010 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3011 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3012 (decl_for_uid_map): New global hashtable mapping DECL_UID
3014 (init_ttree): Allocate it.
3015 (insert_decl_to_uid_decl_map): New helper function.
3016 (make_node_stat): Insert new decls into the map.
3017 (copy_node_stat): Likewise.
3018 (lookup_decl_from_uid): New function.
3019 (print_decl_for_uid_map_statistics): New helper.
3020 (dump_tree_statistics): Call it.
3022 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3023 (referenced_var_iterator): Adjust.
3024 (FOR_EACH_REFERENCED_VAR): Adjust.
3025 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3026 (num_referenced_vars): Adjust.
3027 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3028 (first_referenced_var): Remove.
3029 (end_referenced_vars_p): Likewise.
3030 (next_referenced_var): Likewise.
3031 (referenced_var_iterator_set): New helper function.
3032 * tree-dfa.c (referenced_var_lookup): Adjust.
3033 (referenced_var_check_and_insert): Likewise.
3034 (remove_referenced_var): Likewise.
3035 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3036 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3037 (verify_call_clobbering): Likewise.
3038 (verify_memory_partitions): Likewise.
3039 (init_tree_ssa): Allocate bitmap instead of hashtable for
3041 (delete_tree_ssa): Adjust.
3042 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3043 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3044 (compute_tag_properties): Likewise.
3045 (set_initial_properties): Likewise.
3046 (find_partition_for): Likewise.
3047 (update_reference_counts): Likewise.
3048 (dump_may_aliases_for): Likewise.
3049 * tree-ssa-operands.c (add_virtual_operand): Likewise.
3050 (add_call_clobber_ops): Likewise.
3051 (add_call_read_ops): Likewise.
3052 (get_asm_expr_operands): Likewise.
3053 * tree-into-ssa.c (dump_decl_set): Likewise.
3054 (update_ssa): Likewise.
3055 * tree-sra.c (scan_function): Likewise.
3056 (decide_instantiations): Likewise.
3057 (scalarize_parms): Likewise.
3058 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3059 (dsa_named_for): Likewise.
3060 * tree-ssa-structalias.c (update_alias_info): Likewise.
3061 (merge_smts_into): Likewise.
3063 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
3066 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
3067 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
3068 * alias.h (nonoverlapping_memrefs_p): Likewise.
3070 2008-02-25 Jan Beulich <jbeulich@novell.com>
3072 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
3073 * config/i386/netware-libgcc.exp: Add __bswap?i2,
3074 __emultls_get_address, __emultls_register_common,
3075 __floatundi?f, and _Unwind_GetIPInfo.
3076 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
3077 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
3078 (gen_regparm_prefix): Likewise.
3079 (i386_nlm_encode_section_info): Sync with
3080 config/i386/winnt.c:i386_pe_encode_section_info().
3081 (i386_nlm_maybe_mangle_decl_assembler_name): New.
3082 i386_nlm_mangle_decl_assembler_name): New.
3083 (netware_override_options): New.
3084 * config/i386/netware.h (netware_override_options): Declare.
3085 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
3086 (i386_nlm_mangle_decl_assembler_name): Declare.
3087 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
3089 2008-02-25 Ben Elliston <bje@au.ibm.com>
3092 * c-decl.c (grokdeclarator): Remove unused local variables
3093 `typedef_type' and `type_as_written'.
3095 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
3096 unused local variable `has_hot_blocks'.
3097 (fix_crossing_conditional_branches): Remove unused local variable
3100 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
3103 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
3104 using DEF_C99_BUILTIN.
3105 (BUILT_IN_NANF): Ditto.
3106 (BUILT_IN_NANL): Ditto.
3108 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
3109 Revital Eres <eres@il.ibm.com>
3111 * modulo-sched.c (calculate_must_precede_follow): Address TODO
3112 regarding the order of two dependent insns in the same row.
3114 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
3116 * stor-layout.c (layout_decl): Do not bump the alignment of a
3117 bit-field to more than byte alignment if it is packed.
3119 2008-02-24 David Edelsohn <edelsohn@gnu.org>
3121 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
3124 2008-02-24 Diego Novillo <dnovillo@google.com>
3126 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
3129 * tree-vrp.c (vrp_evaluate_conditional): With
3130 -Wtype-limits, emit a warning when comparing against a
3131 constant outside the natural range of OP0's type.
3132 * c.opt (Wtype-limits): Move ...
3133 * common.opt (Wtype-limits): ... here.
3135 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
3137 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
3138 * config/rs6000/e300c2c3.md: New file.
3139 * config/rs6000/rs6000.c (processor_costs): Add new costs for
3141 (rs6000_override_options): Add e300c2 and e300c3 cases to
3142 processor_target_table. Do not allow usage of Altivec or Spe
3143 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
3144 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
3145 * config/rs6000/rs6000.h (processor_type): Add
3146 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
3147 (ASM_CPU_SPEC): Add e300c2 and e300c3.
3148 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
3149 and ppce300c3. Include e300c2c3.md.
3151 2008-02-23 David Edelsohn <edelsohn@gnu.org>
3153 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
3154 instead of TARGET_STRICT_ALIGN.
3156 2008-02-23 Joseph Myers <joseph@codesourcery.com>
3158 * explow.c (memory_address): Assert that the generated address is
3161 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3164 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
3165 * config/darwin-ppc-ldouble-patch.def: New file.
3166 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
3167 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
3168 SUBTARGET_INIT_BUILTINS if defined.
3169 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
3172 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
3175 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
3176 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
3178 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
3181 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
3182 file" warning condtional on -Winvalid-PCH.
3184 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
3186 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
3188 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
3192 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
3193 prevent reload from using MMX registers.
3194 (*mov<mode>_internal): Ditto.
3195 (*movv2sf_internal_rex64): Ditto.
3196 (*movv2sf_internal): Ditto.
3198 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3200 PR documentation/31569
3201 * doc/install.texi2html: Use makeinfo --no-number-sections.
3203 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
3205 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
3206 ensure that we can address an entire entity > 8 bytes. Don't
3207 generate reg+reg addressing for such data.
3209 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
3211 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
3212 strings when optimizing for size, unless the target cares about
3215 2008-02-22 Tom Tromey <tromey@redhat.com>
3217 * regclass.c (current_pass): Remove declaration.
3219 2008-02-22 Anatoly Sokolov <aesok@post.ru>
3221 * config/avr/libgcc.S (__RAMPZ__): Define.
3222 (__do_copy_data): Add for devices with 128KB code memory.
3224 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
3226 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3228 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
3230 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
3232 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
3235 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3238 * c-typeck.c (build_binary_op): Warn about floating point
3239 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
3241 2008-02-21 Janis Johnson <janis187@us.ibm.com>
3244 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
3245 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
3247 (rs6000_override_options): Set altivec_abi as default, not override,
3248 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
3249 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
3250 is used; use new member spe_abi.
3251 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
3252 spe_abi and altivec_abi.
3254 2008-02-22 Tomas Bily <tbily@suse.cz>
3256 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
3258 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3261 * config.build (build_file_translate): Set to `CMD //c' only if
3263 * Makefile.in (build_file_translate): Improve comment.
3265 2008-02-21 Jan Hubicka <jh@suse.cz>
3267 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
3268 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
3269 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
3271 2008-02-21 Michael Matz <matz@suse.de>
3274 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
3276 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
3278 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
3279 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
3281 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
3282 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
3283 SSE_VEC_FLOAT_MODE_P as insn constraint.
3284 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
3285 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
3286 sse4a_movntdf using MODEF mode iterator.
3287 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
3288 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
3289 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
3290 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
3291 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
3292 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
3293 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
3295 2008-02-21 Richard Guenther <rguenther@suse.de>
3297 * tree.def (PAREN_EXPR): New tree code.
3298 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
3300 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
3301 * expr.c (expand_expr_real_1): Likewise.
3302 * tree-inline.c (estimate_num_insns_1): Likewise.
3303 * tree-complex.c (expand_complex_move): Likewise.
3304 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
3307 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
3310 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
3312 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
3315 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
3317 * config/sh/sh.c (find_barrier): Don't go past
3318 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
3320 2008-02-20 DJ Delorie <dj@redhat.com>
3322 * config/h8300/h8300.md (insv): Force source operand to be a register.
3324 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
3325 as a jump, not as a plain insn.
3327 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
3329 * doc/invoke.texi (Warning Options): Add new option
3330 -Wframe-larger-than=.
3331 (-Wframe-larger-than): Document.
3333 * flags.h (warn_frame_larger_than, frame_larger_than_size):
3334 Add declarations for new option variables.
3336 * final.c (final_start_function): Check the frame size
3337 before emission and issue a Wframe-larger-than warning.
3339 * opts.c (warn_frame_larger_than, frame_larger_than_size):
3340 Add definitions for new option variables.
3341 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
3343 * common.opt (Wframe-larger-than=): New option.
3345 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
3347 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
3348 (<sse>_div<mode>3): Ditto.
3349 (<sse>_vmdiv<mode>3): Ditto.
3350 (<sse>_vmsqrt<mode>2): Ditto.
3351 (*smax<mode>3): Ditto.
3352 (sse5_frcz<mode>2): Ditto.
3353 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
3356 2008-02-20 Richard Guenther <rguenther@suse.de>
3359 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
3360 be happy with INTEGRAL_TYPE_P.
3362 2008-02-20 Richard Guenther <rguenther@suse.de>
3364 * fold-const.c (split_tree): Associate floatig-point expressions
3365 if flag_associative_math is set.
3367 2008-02-20 Richard Guenther <rguenther@suse.de>
3369 * tree.h (fold_real_zero_addition_p): Declare.
3370 * fold-const.c (fold_real_zero_addition_p): Export.
3371 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
3372 floating-point operations with zero and one.
3374 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
3376 * doc/install.texi: Correct references to CFLAGS, replacing them
3377 with BOOT_CFLAGS. Document flags used during bootstrap for
3380 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
3382 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
3383 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
3384 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
3386 (smin<mode>3): Ditto from similar patterns.
3387 (smax<mode>3): Ditto.
3388 (*ieee_smin<mode>3): Ditto.
3389 (*ieee_smax<mode>3): Ditto.
3390 * config/i386/sse.md (sse): New mode attribute.
3391 (mov<mode>): Macroize expander from movv4sf and movv2df using
3392 SSEMODEF2P mode iterator.
3393 (<sse>_movnt<mode>): Ditto from similar patterns. Use
3394 SSE_VEC_FLOAT_MODE_P as insn constraint.
3395 (storent<mode>): Ditto.
3396 (storent<mode>): Macroize expander from storentsf and storentdf using
3397 MODEF mode iterator.
3398 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
3399 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
3400 (abs<mode>2): Ditto from similar patterns.
3401 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
3402 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
3403 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
3404 (<sse>_vmsqrt<mode>2): Ditto.
3405 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
3406 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
3407 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
3408 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
3409 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
3410 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
3411 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
3413 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
3414 iterator and SSE_FLOAT_MODE_P as insn constraint.
3415 (<sse>_ucomi): Ditto from similar patterns.
3416 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
3417 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
3418 SSE_VEC_FLOAT_MODE_P as insn constraint.
3419 (vcond<mode>): Ditto from similar patterns.
3420 (and<mode>3, *and<mode>3): Ditto.
3421 (<sse>_nand<mode>3): Ditto.
3422 (ior<mode>3, *ior<mode>3): Ditto.
3423 (xor<mode>3, *xor<mode>3): Ditto.
3424 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
3425 iterator and SSE_FLOAT_MODE_P as insn constraint.
3426 (*nand<mode>3): Ditto from similar patterns.
3427 (*ior<mode>3): Ditto.
3428 (*xor<mode>3): Ditto.
3430 2008-02-20 Ira Rosen <irar@il.ibm.com>
3432 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
3433 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
3434 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
3436 2008-02-19 Jan Hubicka <jh@suse.cz>
3438 * predict.c (tree_bb_level_predictions): Remove variable next
3439 mistakely introduced by previous commit.
3441 2008-02-19 Jan Hubicka <jh@suse.cz>
3443 * predict.c (predict_paths_leading_to): Rewrite.
3444 (predict_paths_for_bb): New.
3445 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
3447 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3450 * Makefile.in (build_file_translate): New.
3451 (gcc-vers.texi): Use it for translating $(abs_srcdir).
3452 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
3453 * configure.ac (build_file_translate): Substitute it.
3454 * configure: Regenerate.
3456 2008-02-19 Jan Hubicka <jh@suse.cz>
3458 PR rtl-optimization/34408
3459 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
3462 2008-02-19 Jan Hubicka <jh@suse.cz>
3465 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
3468 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
3471 * config/i386/i386-modes.def: Revert the last DI alignment
3472 change until Ada people can look into it.
3474 2008-02-19 Nick Clifton <nickc@redhat.com>
3476 * opts.c (print_specific_help): Fix typo in --help text.
3478 2008-02-19 Jakub Jelinek <jakub@redhat.com>
3481 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
3482 32-bit inline asm without asm alternatives for host GCC < 3.0.
3484 2008-02-19 Richard Guenther <rguenther@suse.de>
3486 PR tree-optimization/34989
3487 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
3488 Allow propagation to INDIRECT_REF if we can simplify only.
3490 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3492 * c-common.c (warn_for_collisions_1): Use appropriate option when
3495 2008-02-19 Nick Clifton <nickc@redhat.com>
3498 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
3499 (handle_options): Fix indentation.
3500 (print_filtered_help): If no language-specific options were
3501 displayed tell the user how to list all the options supported by
3502 the language's front-end.
3503 (print_specific_help): Fix indentation and remove duplicate line.
3504 (common_handle_option): Handle the -v option.
3505 For --help enable the display of undocumented options if the -v
3506 switch has been included on the command line.
3507 For --help= check for overlaps in the arguments between the option
3508 classes and the language names and issue a warning when they
3509 cannot be disambiguated.
3510 * c.opt (v): Pass on to the common option handler.
3512 2008-02-19 Revital Eres <eres@il.ibm.com>
3514 * modulo-sched.c (sms_schedule): Change dump message when
3515 create_ddg function fails.
3516 (try_scheduling_node_in_cycle): Rename row to cycle.
3517 (print_partial_schedule): Rename CYCLE to ROW.
3519 2008-02-19 Christian Bruel <christian.bruel@st.com>
3520 Zdenek Dvorak <ook@ucw.cz>
3522 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
3524 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
3527 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
3528 (*x86_movdicc_0_m1_se): Ditto.
3530 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
3532 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
3533 (CMPtype): Define as __gcc_CMPtype.
3534 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
3535 (CMPtype): Define as __gcc_CMPtype.
3537 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
3539 Support valgrind 3.3 for --enable-checking=valgrind.
3540 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
3542 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
3543 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
3544 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
3545 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
3546 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
3547 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
3548 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
3550 * ggc-zone.c: Similar.
3551 * ggc-page.c: Similar.
3553 2008-02-19 Paul Brook <paul@codesourcery.com>
3556 * config/arm/ieee754-df.S: Fix do_it typo.
3557 * config/arm/ieee754-sf.S: Fix do_it typo.
3559 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
3562 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
3563 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
3564 (OPTION_MASK_ISA_SSE_SET): Likewise.
3565 (OPTION_MASK_ISA_SSE2_SET): Likewise.
3566 (OPTION_MASK_ISA_SSE3_SET): Likewise.
3567 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
3568 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
3569 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
3570 (OPTION_MASK_ISA_SSE4_SET): Likewise.
3571 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
3572 (OPTION_MASK_ISA_SSE5_SET): Likewise.
3573 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
3574 (OPTION_MASK_ISA_MMX_UNSET): Updated.
3575 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
3576 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3577 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3578 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3579 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3580 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3581 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3582 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
3583 (OPTION_MASK_ISA_SSE4): Removed.
3584 (ix86_handle_option): Turn on bits in ix86_isa_flags and
3585 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
3586 (override_options): Don't turn on implied SSE/MMX bits in
3589 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
3591 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3594 2008-02-18 Joey Ye <joey.ye@intel.com>
3597 * tree-nested.c (insert_field_into_struct): Set type alignment
3598 to field alignment if the former is less than the latter.
3600 2008-02-18 Jakub Jelinek <jakub@redhat.com>
3602 * BASE-VER: Set to 4.4.0.
3604 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3606 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
3607 * doc/cfg.texi: Likewise.
3608 * doc/extend.texi: Likewise.
3609 * doc/gty.texi: Likewise.
3610 * doc/invoke.texi: Likewise.
3611 * doc/loop.texi: Likewise.
3612 * doc/md.texi: Likewise.
3613 * doc/passes.texi: Likewise.
3614 * doc/rtl.texi: Likewise.
3615 * doc/sourcebuild.texi: Likewise.
3616 * doc/tm.texi: Likewise.
3617 * doc/tree-ssa.texi: Likewise.
3619 2008-02-17 Richard Guenther <rguenther@suse.de>
3622 * tree-complex.c (init_parameter_lattice_values): Handle parameters
3623 without default definition.
3625 2008-02-17 Richard Guenther <rguenther@suse.de>
3627 PR tree-optimization/35231
3628 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
3631 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
3634 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3635 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3636 libgcc_cmp_return mode.
3638 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3641 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
3643 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
3645 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
3648 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3650 * doc/c-tree.texi: Use `@.' where appropriate.
3651 * doc/extend.texi: Likewise.
3652 * doc/install.texi: Likewise.
3653 * doc/invoke.texi: Likewise.
3654 * doc/loop.texi: Likewise.
3655 * doc/makefile.texi: Likewise.
3656 * doc/md.texi: Likewise.
3657 * doc/passes.texi: Likewise.
3658 * doc/standards.texi: Likewise.
3659 * doc/tm.texi: Likewise.
3661 2008-02-15 Jakub Jelinek <jakub@redhat.com>
3664 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
3666 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
3667 rather than in entry_bb.
3669 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3671 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3672 libgcc_cmp_return mode.
3674 2008-02-15 Jakub Jelinek <jakub@redhat.com>
3677 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
3678 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
3680 2008-02-15 Richard Guenther <rguenther@suse.de>
3681 Zdenek Dvorak <ook@ucw.cz>
3683 PR tree-optimization/35164
3684 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
3685 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
3686 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
3687 Only propagate addresses which do not have abnormal SSA_NAMEs
3690 2008-02-15 Joseph Myers <joseph@codesourcery.com>
3693 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
3695 2008-02-15 Jan Hubicka <jh@suse.cz>
3698 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
3700 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3703 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
3704 when calculating alignment_pad.
3706 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3708 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
3709 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
3710 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
3711 and STACK_BOUNDARY define.
3713 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
3715 PR preprocessor/35061
3716 * c-pragma.c (handle_pragma_pop_macro): Check that
3717 pushed_macro_table has been allocated.
3719 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
3722 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
3723 (force_gimple_operand): Likewise.
3724 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
3725 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
3726 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
3727 (find_interesting_uses_address): Check addressability and alignment
3728 of the base expression only after substituting bases of IVs into it.
3730 2008-02-14 Michael Matz <matz@suse.de>
3733 * function.c (instantiate_virtual_regs_in_insn): Reload address
3734 before falling back to reloading the whole operand.
3736 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
3738 * config/s390/s390.c (s390_mainpool_start): Emit the pool
3739 before the first section switch note.
3741 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3743 * doc/bugreport.texi: Update copyright years.
3744 * doc/c-tree.texi: Likewise.
3745 * doc/cfg.texi: Likewise.
3746 * doc/cpp.texi: Likewise.
3747 * doc/cppinternals.texi: Likewise.
3748 * doc/fragments.texi: Likewise.
3749 * doc/frontends.texi: Likewise.
3750 * doc/gcc.texi: Likewise.
3751 * doc/gty.texi: Likewise.
3752 * doc/hostconfig.texi: Likewise.
3753 * doc/implement-c.texi: Likewise.
3754 * doc/libgcc.texi: Likewise.
3755 * doc/loop.texi: Likewise.
3756 * doc/makefile.texi: Likewise.
3757 * doc/options.texi: Likewise.
3758 * doc/passes.texi: Likewise.
3759 * doc/rtl.texi: Likewise.
3760 * doc/sourcebuild.texi: Likewise.
3761 * doc/standards.texi: Likewise.
3762 * doc/tree-ssa.texi: Likewise.
3763 * doc/trouble.texi: Likewise.
3765 * doc/extend.texi: Use @: or add comma where appropriate.
3766 * doc/invoke.texi: Likewise.
3767 * doc/tm.texi: Likewise.
3769 2008-02-14 Alan Modra <amodra@bigpond.net.au>
3772 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
3775 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
3777 * doc/md.texi (clz, ctz): Add reference.
3778 * doc/rtl.texi (clz, ctz): Likewise.
3780 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3783 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
3786 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
3788 * config/s390/s390.c (struct constant_pool): New field
3789 emit_pool_after added.
3790 (s390_mainpool_start): Set the emit_pool_after flag according
3791 to the section switch notes.
3792 (s390_mainpool_finish): Consider emit_pool_after when emitting
3793 the literal pool at the end of the function.
3794 (s390_chunkify_start): Force literal pool splits at section
3797 2008-02-13 Michael Matz <matz@suse.de>
3800 * var-tracking.c (clobber_variable_part): Correctly traverse the
3803 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3806 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
3807 Add -fdump-ipa-inline.
3808 * tree-dump.c (dump_files): Remove tree-inlined dump.
3809 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
3811 2008-02-12 Richard Guenther <rguenther@suse.de>
3813 PR tree-optimization/35171
3814 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
3817 2008-02-12 Richard Guenther <rguenther@suse.de>
3820 * fold-const.c (fold_widened_comparison): Use get_unwidened in
3821 value-preserving mode. Disallow final truncation.
3823 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
3826 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
3827 code from here to...
3828 (force_gimple_operand): ...here.
3830 2008-02-12 Jakub Jelinek <jakub@redhat.com>
3833 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
3834 non-compatible pointers.
3835 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
3836 different FIELD_DECLs, try harder by comparing field offsets, sizes
3840 * function.c (match_asm_constraints_1): Don't replace the same input
3843 2008-02-12 Anatoly Sokolov <aesok@post.ru>
3845 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
3846 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
3847 (expand_epilogue): Restore RAMPZ register.
3848 * config/avr/avr.md (RAMPZ_ADDR): New constant.
3850 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
3852 * config/i386/cygwin.asm: (__alloca): Correct calling
3853 convention and alignment.
3854 (__chkstk): Force 8 byte stack alignment.
3856 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
3857 Richard Guenther <rguenther@suse.de>
3859 PR tree-optimization/33992
3860 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
3861 the zero we compare against.
3863 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
3866 * gthr-win32.h (__gthread_mutex_destroy_function): New function
3867 to CloseHandle after unlocking to prevent accumulation of handle
3870 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3873 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
3874 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
3875 and update LABEL_NUSES during and after reload.
3877 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
3880 * combine.c (simplify_if_then_else): Make sure the comparison is
3881 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
3883 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
3886 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
3887 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
3888 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
3889 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
3890 * tree.h (get_type_static_bounds): Likewise.
3892 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3894 * doc/invoke.texi (Option Summary, C++ Dialect Options)
3895 (Objective-C and Objective-C++ Dialect Options, Warning Options):
3896 Make -Wfoo language annotations match what the compiler outputs.
3898 2008-02-08 Sa Liu <saliu@de.ibm.com>
3900 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
3901 intrinsics spu_convts, spu_convtu, spu_convtf.
3902 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
3904 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
3906 * doc/extend.texi (Function Attributes) <noinline>: Mention
3907 asm ("") as method to keep calls.
3909 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3912 * doc/options.texi (Options): Replace references to opts.sh with
3914 * opts-common.c: Likewise.
3915 * optc-gen.awk: Likewise.
3917 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
3919 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
3921 2008-02-07 Richard Henderson <rth@redhat.com>
3924 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
3925 EXPR_LIST for the REG_EQUAL instead of a comparison with a
3928 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
3930 PR tree-optimization/35085
3931 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
3932 for operand entry oe2 in addition to operand entry oe3 in order to
3933 expose more opportunities for vectorizer sum reduction.
3935 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3938 * Makefile.in (LIBS): Remove $(GMPLIBS).
3939 (cc1-dummy, cc1): Add $(GMPLIBS).
3941 2008-02-06 Jan Hubicka <jh@suse.cz>
3944 * i386.md (moddf_integer): Do not produce partial memory stalls for
3945 targets where it hurts.
3947 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
3950 * optabs.c (expand_float): Do not check for decimal modes when
3951 expanding unsigned integer through signed conversion.
3953 2008-02-06 Nick Clifton <nickc@redhat.com>
3955 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
3956 inside the clobber with a match_operand and duplicated operand
3957 number in the constraint.
3958 (ineqbranchsi): Delete redundant comment.
3960 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
3962 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
3963 builtin_define ("__USE_INIT_FINI__").
3964 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
3966 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
3968 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3970 PR documentation/30330
3971 * doc/invoke.texi (C++ Dialect Options)
3972 (Objective-C and Objective-C++ Dialect Options, Warning Options):
3973 For each warning option -Wfoo that allows -Wno-foo, ensure both
3974 -Wfoo and -Wno-foo are listed in the option index. Fix index
3975 entry of -Wswitch-default, index -Wnormalized= including the
3976 `=', and -Wlarger-than-@var{len} including @var{len}.
3978 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
3980 * config/i386/i386.md (floatunssisf2): Use
3981 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
3982 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
3983 Macroize expander using MODEF mode iterator.
3985 2008-02-05 Diego Novillo <dnovillo@google.com>
3987 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
3990 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
3992 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3995 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
3997 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
4000 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
4001 to indicate if a message should be generated.
4002 (init_cumulative_args): Updated.
4003 (function_value_32): Likewise.
4005 2008-02-05 Joseph Myers <joseph@codesourcery.com>
4007 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
4009 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
4012 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
4013 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
4015 2008-02-04 Diego Novillo <dnovillo@google.com>
4017 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
4020 * tree-vrp.c (vrp_evaluate_conditional): With
4021 -Wtype-limits, emit a warning when comparing against a
4022 constant outside the natural range of OP0's type.
4024 2008-02-04 Richard Guenther <rguenther@suse.de>
4027 * expr.c (count_type_elements): Give for unions instead of
4030 2008-02-04 Richard Guenther <rguenther@suse.de>
4033 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
4034 to TYPE_DOMAINs base type instead of using bitsizetype here.
4036 2008-02-03 Jason Merrill <jason@redhat.com>
4038 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
4040 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4043 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
4044 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
4045 (RS/6000 and PowerPC Options): Fix typos and markup.
4046 * doc/passes.texi (Tree-SSA passes): Likewise.
4048 2008-02-02 Michael Matz <matz@suse.de>
4051 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
4052 from record_last_reg_set_info.
4053 (record_last_reg_set_info): Take an RTX argument, iterate over all
4054 constituent hardregs.
4055 (record_last_set_info, record_opr_changes): Change calls to
4056 new signature or to record_last_reg_set_info_regno.
4058 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
4060 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
4062 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
4064 PR rtl-optimization/34773
4065 * reg-notes.def (EQUAL): Mention significance of combination of
4066 REG_EQUAL and REG_RETVAL.
4067 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
4068 insn that has a REG_RETVAL.
4070 2008-02-01 Roger Sayle <roger@eyesopen.com>
4073 * configure.ac (--enable-fixed-point): Disable unless explicitly
4075 * configure: Regenerate.
4077 2008-02-01 Richard Guenther <rguenther@suse.de>
4080 * invoke.texi (-finline-limit): Remove no longer true parts
4081 of the documentation. Note that there is no default value.
4083 2008-02-01 Andrew Pinski <pinskia@gmail.com>
4084 Mark Mitchell <mark@codesourcery.com>
4085 Ben Elliston <bje@au.ibm.com>
4088 * doc/extend.texi (Other Builtins): Document.
4090 2008-01-31 Tom Browder <tom.browder@gmail.com>
4092 * doc/c-tree.texi (Types): Fix grammar.
4093 (Expression trees): Ditto.
4094 * doc/passes.texi (Tree-SSA passes): Ditto.
4096 * doc/configterms.texi (Configure Terms): Fix typo.
4097 * doc/cpp.texi (Common Predefined Macros): Ditto.
4098 * doc/md.texi (Machine Constraints): Ditto.
4100 * doc/makefile.texi (Makefile): Add comma.
4102 2008-01-31 Tom Browder <tom.browder@gmail.com>
4103 Gerald Pfeifer <gerald@pfeifer.com>
4105 * doc/sourcebuild.texi (Front End): Remove references to CVS
4106 and CVSROOT/modules.
4107 (Texinfo Manuals): Replace reference to CVS by one to SVN.
4108 (Back End): Remove reference to CVS.
4110 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
4113 * config/mips/mips.c (gen_load_const_gp): New function, taking a
4115 (mips16_gp_pseudo_reg): ...here.
4116 * config/mips/mips.md (load_const_gp): Replace with...
4117 (load_const_gp_<mode>): ...this :P-based insn.
4119 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4121 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
4122 options. Minor fixes.
4123 (-std): Move reference to standards closer to where language
4124 standards are first mentioned.
4126 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
4128 PR rtl-optimization/34995
4129 * reload.c (alternative_allows_const_pool_ref): Take an rtx
4130 parameter and return a bool. If the rtx parameter is nonnull,
4131 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
4132 (find_reloads): Update call accordingly. Pass the new operand
4133 if it needed no address reloads, otherwise pass null.
4135 2008-01-30 Richard Henderson <rth@redhat.com>
4138 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
4139 for unbounded arrays.
4141 2008-01-30 Silvius Rus <rus@google.com>
4143 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
4145 2008-01-30 Jan Hubicka <jh@suse.cz>
4148 * i386.c (init_cumulative_args): Use real function declaration when
4151 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
4153 PR rtl-optimization/34998
4154 * global.c (build_insn_chain): Treat non-subreg_lowpart
4155 SUBREGs of pseudos as clobbering all the words covered by the
4156 SUBREG, not just all the bytes.
4157 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
4158 original df_ref rather than an extract parameter.
4159 (global_conflicts): Update call accordingly.
4161 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
4163 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
4164 the overflow check to make it easier to read.
4165 (__fixtfdi): Change the type of the ll member in union
4166 long_double to UDItype_x.
4168 2008-01-30 Jakub Jelinek <jakub@redhat.com>
4171 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
4172 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
4173 * tree-inline.c (fold_marked_statements): Call
4174 cgraph_update_edges_for_call_stmt if folding a call statement.
4175 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
4176 debug_generic_stmt calls, reset it back afterwards.
4179 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
4181 * c-typeck.c (build_external_ref): Don't pedwarn about
4182 static vars in current function's scope.
4184 2008-01-29 Joseph Myers <joseph@codesourcery.com>
4186 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
4188 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
4191 * ipa-struct-reorg.c: Fix spelling.
4192 * params.def: Ditto.
4194 2008-01-29 Richard Guenther <rguenther@suse.de>
4197 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
4199 * tree-inline.c (remap_type): Increment remapping_type_depth
4200 around remapping types.
4201 (copy_body_r): Only add referenced variables if they are referenced
4202 from code, not types.
4204 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
4215 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
4216 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
4218 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
4221 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
4222 pointer for tiny stack.
4224 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
4226 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
4228 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
4230 * config/vx-common.h: Fix typo in comment.
4232 2008-01-28 Ian Lance Taylor <iant@google.com>
4236 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
4237 coalesce pointers if they have different DECL_NO_TBAA_P values.
4238 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
4239 between variables with different DECL_NO_TBAA_P values.
4241 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
4244 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
4245 are not legitimate small data references on SPE targets.
4247 2008-01-28 David Daney <ddaney@avtrex.com>
4249 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
4251 2008-01-28 David Daney <ddaney@avtrex.com>
4253 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
4255 2008-01-27 Joseph Myers <joseph@codesourcery.com>
4257 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
4258 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
4259 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
4260 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
4261 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
4262 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
4263 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
4264 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
4266 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
4268 * basic-block.h (condjump_equiv_p): Fix comment.
4270 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
4272 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
4273 print_generic_stmt_indented): Fix comment.
4275 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
4277 * configure.ac (__stack_chk_fail): Add detecion for availability
4278 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
4279 * configure: Regenerate.
4281 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
4284 * final.c (output_addr_const): Handle TRUNCATE.
4286 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
4289 * tree-ssa-loop-ivopts.c (comp_cost): New type.
4290 (zero_cost, infinite_cost): New constants.
4291 (struct cost_pair): Change type of cost to comp_cost.
4292 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
4293 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
4295 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
4296 split_address_cost, ptr_difference_cost, difference_cost,
4297 get_computation_cost_at, get_computation_cost,
4298 determine_use_iv_cost_generic, determine_use_iv_cost_address,
4299 determine_use_iv_cost_condition, determine_use_iv_costs,
4300 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
4301 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
4302 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
4303 Change type of cost to comp_cost.
4304 (determine_iv_cost): Increase cost of non-original ivs, instead
4305 of decreasing the cost of original ones.
4306 (get_address_cost): Indicate the complexity of the addressing mode
4308 (try_add_cand_for): Prefer using ivs not specific to some object.
4309 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
4311 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
4312 Janis Johnson <janis187@us.ibm.com>
4315 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
4316 (TARGET_INSTANTIATE_DECLS): Likewise.
4317 * target.h (expand_to_rtl_hook): New target hook.
4318 (instantiate_decls): Likewise.
4319 * function.c (instantiate_decl): Make non-static. Rename to...
4320 (instantiate_decl_rtl): ... this.
4321 (instantiate_expr): Use instantiate_decl_rtl.
4322 (instantiate_decls_1): Likewise.
4323 (instantiate_decls): Likewise.
4324 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
4325 * function.h (instantiate_decl_rtl): Add prototype.
4326 * cfgexpand.c (target.h): New include.
4327 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
4328 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
4329 (TARGET_INSTANTIATE_DECLS): Likewise.
4330 (TARGET_INITIALIZER): New target hooks added.
4331 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
4333 * config/rs6000/rs6000.c (tree-flow.h): New include.
4334 (machine_function): Add sdmode_stack_slot field.
4335 (rs6000_alloc_sdmode_stack_slot): New function.
4336 (rs6000_instantiate_decls): Likewise.
4337 (rs6000_secondary_memory_needed_rtx): Likewise.
4338 (rs6000_check_sdmode): Likewise.
4339 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
4340 (TARGET_INSTANTIATE_DECLS): Likewise.
4341 (rs6000_hard_regno_mode_ok): Allow SDmode.
4342 (num_insns_constant): Likewise. Handle _Decimal32 constants.
4343 (rs6000_emit_move): Handle SDmode.
4344 (function_arg_advance): Likewise.
4345 (function_arg): Likewise.
4346 (rs6000_gimplify_va_arg): Likewise. Add special handling of
4347 SDmode var args for 32-bit compiles.
4348 (rs6000_secondary_reload_class): Handle SDmode.
4349 (rs6000_output_function_epilogue): Likewise.
4350 (rs6000_function_value): Simplify if statement.
4351 (rs6000_libcall_value): Likewise.
4352 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
4353 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
4354 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
4355 (movsd_hardfloat): New define_insn.
4356 (movsd_softfloat): Likewise.
4357 (movsd_store): Likewise.
4358 (movsd_load): Likewise.
4359 (extendsddd2): Likewise.
4360 (extendsdtd2): Likewise.
4361 (truncddsd2): Likewise.
4362 (movdd_hardfloat64): Fixup comment.
4363 (UNSPEC_MOVSD_LOAD): New constant.
4364 (UNSPEC_MOVSD_STORE): Likewise.
4366 2008-01-26 Jakub Jelinek <jakub@redhat.com>
4369 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
4371 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
4372 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
4373 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
4376 2008-01-26 David Edelsohn <edelsohn@gnu.org>
4379 * config.gcc: Separate AIX 5.3 from AIX 6.1.
4380 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4381 __LONGDOUBLE128 too.
4382 * config/rs6000/aix61.h: New file.
4384 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
4386 PR rtl-optimization/34959
4387 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
4388 popcount and parity rtxes the same mode as their operand.
4389 Truncate or extend the result to the return value's mode
4392 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
4395 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
4396 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
4397 to GOT_VERSION_REGNUM.
4398 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
4399 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
4400 * config/mips/mips.c (mips_emit_call_insn): New function.
4401 (mips_call_tls_get_addr): Call mips_expand_call directly.
4402 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
4404 (mips16_build_call_stub): Likewise. Return the call insn or null.
4405 (mips_expand_call): Update the call to mips16_build_call_stub
4406 accordingly and a remove redundant condition. Assert that MIPS16
4407 stubs do not use lazy binding. Use mips_emit_call_insn and return
4409 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
4411 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
4412 (mips_avoid_hazard): Remove hazard_set handling.
4413 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
4414 (UNSPEC_RESTORE_GP): ...this.
4415 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
4416 (FAKE_CALL_REGNO): Rename to...
4417 (GOT_VERSION_REGNUM): ...this.
4418 (type): Add "ghost" value. Add an associated insn reservation.
4419 (hazard_set): Remove.
4420 (exception_receiver): Rename to...
4421 (restore_gp): ...this and update the unspec identifier accordingly.
4422 (exception_receiver, nonlocal_got_receiver): New expanders.
4423 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
4424 FAKE_CALL_REGNO. Remove hazard_set attribute.
4425 (set_got_version, update_got_version): New patterns.
4427 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
4430 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
4432 2008-01-25 Joseph Myers <joseph@codesourcery.com>
4435 * doc/install.texi2html: Generate gcc-vers.texi.
4437 2008-01-25 DJ Delorie <dj@redhat.com>
4439 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4441 2008-01-25 Joseph Myers <joseph@codesourcery.com>
4443 * config/c4x: Remove directory.
4444 * config.gcc (crx-*, mt-*): Mark obsolete.
4445 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
4446 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
4447 sh-*-rtemscoff*): Remove cases.
4448 * defaults.h (C4X_FLOAT_FORMAT): Remove.
4449 * real.c (encode_c4x_single, decode_c4x_single,
4450 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
4451 c4x_extended_format): Remove.
4452 * real.h (c4x_single_format, c4x_extended_format): Remove.
4453 * doc/extend.texi (interrupt, naked): Remove mention of attributes
4455 (Pragmas): Remove comment about c4x pragmas.
4456 * doc/install.texi (c4x): Remove target-specific instructions.
4457 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
4458 * doc/md.texi (Machine Constraints): Remove C4x documentation.
4459 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
4460 refer to C4x source files as examples.
4461 (C4X_FLOAT_FORMAT): Remove documentation.
4463 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
4465 * config/bfin/bfin.c (override_options): Reorder tests so that
4466 flag_pic gets enabled for -msep-data.
4468 2008-01-25 Richard Guenther <rguenther@suse.de>
4471 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
4472 to its bitfield precision if required.
4474 2008-01-25 Jakub Jelinek <jakub@redhat.com>
4477 * tree-nested.c (walk_omp_for): New function.
4478 (convert_nonlocal_reference, convert_local_reference): Call
4479 walk_omp_for on OMP_FOR.
4480 (convert_call_expr): Call walk_body on OMP_FOR's
4481 OMP_FOR_PRE_INIT_BODY.
4483 2008-01-25 Richard Guenther <rguenther@suse.de>
4485 PR tree-optimization/34966
4486 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
4487 default defs and PHI_NODEs we have to insert after the
4490 2008-01-24 Nick Clifton <nickc@redhat.com>
4492 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
4493 Provide a default definition.
4494 (LIBGCC2_UNITS_PER_WORD): Likewise.
4496 * config/stormy16/stormy16.c: Include df.h for the prototype
4497 for df_regs_ever_live_p.
4498 (xstormy16_expand_builtin_va_start): Convert the stack offset
4499 into a component_ref and then use POINTER_PLUS_EXPR to add it
4500 to the incoming_virtual_args_rtx.
4501 (xstormy16_gimplify_va_arg_expr): Rename to
4502 xstormy16_gimplify_va_arg_expr.
4503 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
4504 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
4505 xstormy16_gimplify_va_arg_expr.
4506 Fix up some formatting issues.
4508 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
4509 Move to predicates.md.
4510 (xs_hi_general_operand): Likewise.
4511 (xs_hi_nonmemory_operand): Likewise.
4512 * config/stormy16/predicates.md:
4513 (xstormy16_carry_plus_operand): New predicate.
4514 (xs_hi_general_operand): New predicate.
4515 (xs_hi_nonmemory_operand): New predicate.
4516 * config/stormy16/stormy16-protos.h:
4517 (xstormy16_carry_plus_operand): Delete prototype.
4518 (xs_hi_general_operand): Likewise.
4519 (xs_hi_nonmemory_operand): Likewise.
4521 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
4522 modifiers as they are no longer needed and they can trigger
4523 reload spill failures.
4525 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
4526 with a match_operand in order to help reload.
4528 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
4529 constraint with 'e' for the 8th alternative as this version of
4530 the mov.w instruction only accepts the lower 8 registers.
4532 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
4535 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
4536 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
4539 2008-01-25 Jakub Jelinek <jakub@redhat.com>
4542 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
4544 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
4546 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
4548 (remove_structure): Update allocations list before removing structure.
4550 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
4552 * ipa-struct-reorg.c (is_safe_cond_expr,
4553 create_new_stmts_for_cond_expr): Use integer_zerop function,
4554 that recognize not only zero-pointer, but zero-integer too.
4556 2008-01-25 Ben Elliston <bje@au.ibm.com>
4559 * fixproto: Escape "." in sed expression that strips leading "./".
4561 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
4564 * gcc.c (SWITCH_OK): Removed.
4565 (SWITCH_LIVE): Changed to bit.
4566 (SWITCH_FALSE): Likewise.
4567 (SWITCH_IGNORE): Likewise.
4568 (switchstr): Change live_cond to unsigned int.
4569 (process_command): Replace SWITCH_OK with 0.
4570 (do_self_spec): Likewise.
4571 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
4572 (give_switch): Likewise.
4573 (used_arg): Likewise.
4574 (do_spec_1): Set the SWITCH_IGNORE bit.
4575 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
4576 bits. Set the SWITCH_LIVE bit.
4578 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
4580 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
4582 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
4584 PR tree-optimization/34472
4585 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
4586 parameter to a "bool *" and set *DATA to false if there is
4587 an unsafe access. Do not delete the structure here.
4588 (check_cond_exprs): Delete it here instead.
4589 (check_cond_exprs, exclude_cold_structs): Do not increase
4590 I when removing a structure.
4592 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
4595 * config/i386/i386.c (ix86_expand_vector_init): Consider only
4596 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
4598 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
4601 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
4602 a fixed vector for stack.
4604 2008-01-24 Ben Elliston <bje@au.ibm.com>
4607 * doc/gcc.texi (Software development): Add a direntry for g++.
4609 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
4611 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
4612 stale and straggling -fforce-addr comments above.
4614 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
4616 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
4617 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
4619 2008-01-23 Michael Matz <matz@suse.de>
4622 * dwarf2out.c (force_type_die): Use modified_type_die instead of
4625 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
4627 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
4630 2008-01-23 Anatoly Sokolov <aesok@post.ru>
4632 * config/avr/avr.c (avr_current_arch): New variable.
4633 (avr_arch_types): Add 'avr31' and 'avr51' entries.
4634 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
4635 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
4636 (avr_override_options): Init 'avr_current_arch'.
4637 (base_arch_s): Move from here...
4638 * config/avr/avr.h (base_arch_s): ... here. Add new members
4639 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
4640 'mega' to 'have_jmp_call'.
4641 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
4642 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
4644 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
4646 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
4647 MULTILIB_MATCHES): (Ditto.).
4649 2008-01-23 Richard Guenther <rguenther@suse.de>
4652 * cgraphunit.c (cgraph_reset_node): Always mark the node
4653 not reachable if it is not queued already.
4655 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
4657 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
4658 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
4659 (cputype_selected): New static variable.
4660 (bfin_handle_option): Set it if -mcpu is used.
4661 (override_option): Select default set of workarounds if no cpu type
4662 selected on the command line.
4663 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
4665 From Michael Frysinger <michael.frysinger@analog.com>
4666 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
4667 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
4669 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
4670 for bf547, bf523, bf524, and bf526.
4671 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
4673 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4674 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
4675 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
4676 __ADSPBF547__ and __ADSPBF54x__ for bf547.
4677 * doc/invoke.texi (Blackfin Options): Document that
4678 -mcpu now accept bf547, bf523, bf524, and bf526.
4680 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
4682 PR rtl-optimization/34628
4683 * combine.c (try_combine): Stop and undo after the first combination
4684 if an autoincrement side-effect on the first insn has effectively
4687 2008-01-22 David Edelsohn <edelsohn@gnu.org>
4690 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
4691 Offset addresses are not valid for Altivec or paired float modes.
4693 2008-01-22 Jakub Jelinek <jakub@redhat.com>
4696 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
4697 if DECL_INITIAL (decl) is error_mark_node.
4700 * c-common.c (handle_vector_size_attribute): Only allow
4701 integral, scalar float and fixed point types. Handle OFFSET_TYPE
4702 the same way as pointer, array etc. types.
4703 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
4706 * tree.c (build_type_attribute_qual_variant): Call
4707 build_qualified_type if attributes are equal, but quals are not.
4709 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4712 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
4713 * flags.h (warn_strict_aliasing): Remove.
4714 (warn_strict_overflow): Remove.
4715 * opts.c (warn_strict_aliasing): Remove.
4716 (warn_strict_overflow): Remove.
4717 * c-opts.c (c_common_handle_option): -Wall only sets
4718 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
4719 (c_common_post_options): Give default values to -Wstrict-aliasing
4720 and -Wstrict-overflow if they are uninitialized.
4721 * common.opt (Wstrict-aliasing): Specify Var and Init.
4722 (Wstrict-overflow): Likewise.
4724 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4726 PR rtl-optimization/26854
4727 PR rtl-optimization/34400
4728 PR rtl-optimization/34884
4729 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
4731 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
4732 (df_rd_bb_info.expanded_lr_out): Deleted
4733 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
4734 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
4735 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4736 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4737 Removed code to allocate, initialize or free expanded_lr_out.
4738 (df_rd_bb_local_compute_process_def): Restructured to make more
4740 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
4741 sets if the sets are being trimmed.
4743 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
4746 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
4747 (as_vers): Likewise.
4748 * configure: Regenerated.
4750 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4753 * tree-pass.h (pass_build_alias): New pass.
4754 * tree-ssa-alias.c (gate_build_alias): New.
4755 (pass_build_alias): New.
4756 * passes.c (init_optimization_passes): Add pass_build_alias after
4757 pass_create_structure_vars.
4759 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
4761 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
4762 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
4763 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
4764 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
4765 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
4766 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
4767 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
4768 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
4769 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
4770 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
4771 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
4772 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
4773 * config/s390/s390.md (FP_ALL): New mode iterator.
4774 (_d): New mode attribute.
4775 ("*signbit<mode>2>"): Changed mode of first operand.
4776 ("isinf<mode>2"): Changed mode of first operand.
4777 ("*TDC_insn"): Adaptation for DFP modes.
4779 2008-01-22 Ben Elliston <bje@au.ibm.com>
4781 * tree.c (check_qualified_type): Improve function description.
4783 2008-01-21 Jason Merrill <jason@redhat.com>
4786 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
4787 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
4790 2008-01-21 DJ Delorie <dj@redhat.com>
4792 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
4795 2008-01-21 Richard Guenther <rguenther@suse.de>
4798 * tree-cfg.c (verify_expr): Allow all invariant expressions
4799 instead of just constant class ones as reference argument.
4800 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
4801 like any other constant.
4802 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
4804 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
4806 * regmove.c (fixup_match_1): Update call crossed frequencies.
4808 2008-01-21 Richard Guenther <rguenther@suse.de>
4811 * tree-inline.c (setup_one_parameter): Deal with mismatched
4812 types using a VIEW_CONVERT_EXPR.
4814 2008-01-21 Alon Dayan <alond@il.ibm.com>
4815 Olga Golovanevsky <olga@il.ibm.com>
4817 PR tree-optimization/34701
4818 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
4819 when the structure size is not a power of 2.
4821 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
4823 * doc/install.texi: Add doc for --enable-checking=df.
4825 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
4827 PR rtl-optimization/34808
4828 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
4830 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
4832 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
4835 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4837 PR rtl-optimization/26854
4838 PR rtl-optimization/34400
4839 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
4841 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
4842 (df_rd_bb_info.expanded_lr_out): New.
4843 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
4844 * loop_iv.c (iv_analysis_loop_init): Ditto.
4845 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4846 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4847 Added code to allocate, initialize or free expanded_lr_out.
4848 (df_rd_bb_local_compute_process_def): Restructured to make
4849 more understandable.
4850 (df_rd_confluence_n): Add code to do nothing with fake edges and
4851 code to no apply invalidate_by_call sets if the sets are being trimmed.
4852 (df_lr_local_finalize): Renamed to df_lr_finalize.
4853 (df_live_local_finalize): Renamed to df_live_finalize.
4855 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
4858 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
4859 deciding whether to use reciprocal instructions.
4861 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
4863 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
4864 dwarf2out_note_section_used if cold_text_section is NULL.
4866 2008-01-19 Jakub Jelinek <jakub@redhat.com>
4868 PR gcov-profile/34610
4869 * tree-cfg.c (make_edges): Mark both outgoing edges from
4870 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
4871 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
4872 from OMP_FOR and OMP_CONTINUE outgoing edges.
4874 * tree-profile.c (tree_profiling): Return early if
4875 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
4877 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
4878 from cfun to child_cfun.
4879 * function.h (struct function): Add after_tree_profile bit.
4881 2008-01-19 Anatoly Sokolov <aesok@post.ru>
4883 * config/avr/avr.S (_exit): Disable interrupt.
4885 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
4886 Steven Bosscher <stevenb.gcc@gmail.com>
4888 PR rtl-optimization/26854
4889 PR rtl-optimization/34400
4890 * df-problems.c (df_live_scratch): New scratch bitmap.
4891 (df_live_alloc): Allocate df_live_scratch when doing df_live.
4892 (df_live_reset): Clear the proper bitmaps.
4893 (df_live_bb_local_compute): Only process the artificial defs once
4894 since the order is not important.
4895 (df_live_init): Init the df_live sets only with the variables
4896 found live by df_lr.
4897 (df_live_transfer_function): Use the df_lr sets to prune the
4898 df_live sets as they are being computed.
4899 (df_live_free): Free df_live_scratch.
4901 2008-01-18 Ian Lance Taylor <iant@google.com>
4903 * common.opt: Add fmerge-debug-strings.
4904 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
4905 flag_merge_debug_strings rather than flag_merge_constants.
4906 * doc/invoke.texi (Option Summary): Mention
4907 -fmerge-debug-strings.
4908 (Debugging Options): Document -fmerge-debug-strings.
4910 2008-01-18 Ian Lance Taylor <iant@google.com>
4913 * tree.h (DECL_IS_OPERATOR_NEW): Define.
4914 (struct tree_function_decl): Add new field operator_new_flag.
4915 * tree-inline.c (expand_call_inline): When inlining a call to
4916 operator new, force the return value to go into a variable, and
4917 set DECL_NO_TBAA_P on that variable.
4918 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
4920 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
4923 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
4924 DWARF2_DEBUGGING_INFO.
4925 (dwarf2out_note_section_used): Ditto. Add prototype.
4926 (have_multiple_function_sections, text_section_used,
4927 cold_text_section_used, *cold_text_sections): Move declarations
4930 2008-01-17 Bob Wilson <bob.wilson@acm.org>
4932 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
4933 field and add signal_ra.
4934 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
4935 assignments to frame state pc. Move end of stack check after
4936 MD_FALLBACK_FRAME_STATE_FOR.
4937 (uw_update_context_1): Use frame state signal_regs if set, instead
4938 of checking signal_frame flag.
4939 (uw_update_context): Use frame state signal_ra if set.
4940 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
4941 * config/xtensa/linux-unwind.h: New file.
4943 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
4945 * modulo-sched.c (get_sched_window): Fix comment typo.
4947 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
4949 PR tree-optimization/34648
4950 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
4952 2008-01-17 Anatoly Sokolov <aesok@post.ru>
4954 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
4955 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
4957 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
4959 PR rtl-optimization/34400
4960 * df-core.c (df_worklist_dataflow_overeager,
4961 df_worklist_dataflow_doublequeue): New functions.
4962 (df_worklist_dataflow): Two different worklist solvers.
4963 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
4966 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4969 * doc/invoke.texi: Document the dependence on pthread for fopenmp
4970 and ftree-parallelize-loops.
4972 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
4974 PR rtl-optimization/34826
4975 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
4977 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
4979 * global.c (find_reg): Mark the eh regs as used if necessary.
4980 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
4981 * ra.h (struct allocno): no_eh_reg field added. Changed
4982 no_stack_reg type to bitfield.
4984 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
4986 * tree.c (substitute_in_expr): Add missing 'break'.
4988 2008-01-17 Richard Guenther <rguenther@suse.de>
4990 PR tree-optimization/34825
4991 * tree-ssa-math-opts.c (is_division_by): Do not recognize
4992 x / x as division to handle.
4994 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4996 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
4997 "-pthread" is specified.
4998 * pa-hpux11.h (LIB_SPEC): Likewise.
5000 2008-01-16 Janis Johnson <janis187@us.ibm.com>
5001 Peter Bergner <bergner@vnet.ibm.com>
5003 PR rtl-optimization/33796
5004 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
5006 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5008 PR libgfortran/34699
5009 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
5011 * pa-hpux10.h (LINK_SPEC): Likewise.
5012 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
5014 2008-01-16 Richard Guenther <rguenther@suse.de>
5017 * fold-const.c (fold_convert_const_int_from_int): Do not
5018 set overflow if that occured only because of a sign extension
5019 change when converting from/to a sizetype with the same
5020 precision and signedness.
5022 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
5025 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
5026 location address to the correct place. Update copyright year.
5028 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
5030 * lambda-code.c (lambda_transform_legal_p): Handle the case of
5031 no dependences in the dependence_relations vector.
5033 2008-01-16 Jan Hubicka <jh@suse.cz>
5035 PR rtl-optimization/31396
5036 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
5037 * cfg.c (dump_reg_info): Print it.
5038 * regs.h (struct reg_info_t): add freq_calls_crossed.
5039 (REG_FREQ_CALLS_CROSSED): New macro.
5040 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
5041 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
5042 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
5043 regmove_optimize): Update call crossed frequencies.
5044 * local-alloc.c (struct qty): Add freq_calls_crossed.
5045 (alloc_qty): Copute freq_calls_crossed.
5046 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
5047 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
5048 * ra.h (struct allocno): Add freq_calls_crossed.
5050 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
5052 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
5053 libgomp when compiling with ftree-parallelize-loops.
5054 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
5056 2008-01-16 Richard Guenther <rguenther@suse.de>
5058 PR tree-optimization/34769
5059 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
5060 * tree.c (int_cst_value): Instead make this function more
5061 permissive in what it accepts as valid input. Document this
5062 function always sign-extends the value.
5064 2008-01-16 Jakub Jelinek <jakub@redhat.com>
5065 Richard Guenther <rguenther@suse.de>
5068 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
5069 (gimple_fold_indirect_ref_rhs): ... this.
5070 (gimple_fold_indirect_ref): New function with foldings
5071 that preserve lvalueness.
5072 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
5073 * tree-flow.h (gimple_fold_indirect_ref): Declare.
5074 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
5075 to fold an INDIRECT_REF, fall back to the old use of
5076 fold_indirect_ref_1.
5078 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
5080 * tree-data-ref.c (subscript_dependence_tester_1): Call
5081 free_conflict_function.
5082 (compute_self_dependence): Same.
5084 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
5087 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
5088 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
5090 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
5091 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
5092 for DWARF2_UNWIND_INFO targets.
5094 2008-01-16 Richard Guenther <rguenther@suse.de>
5097 * c-typeck.c (common_pointer_type): Do not merge inconsistent
5098 type qualifiers for function types.
5100 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
5102 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
5103 loop_iterator li from previous commit.
5105 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
5107 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
5109 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
5111 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
5112 (parallelize_loops): Don't parallelize irreducible components.
5114 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5117 * c-opts (c_common_post_options): Do not enable CPP
5118 flag_pedantic_errors by default.
5120 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
5122 PR rtl-optimization/31944
5123 * cse.c (remove_pseudo_from_table): New function.
5124 (merge_equiv_classes): Use above function to remove pseudo-registers.
5125 (invalidate): Likewise.
5127 2008-01-13 Richard Guenther <rguenther@suse.de>
5130 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
5131 instead of TYPE_MODE to deal with calls from expand_one_error_var.
5133 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
5135 * gcse.c (cprop_jump): Call validate_unshare_change instead of
5136 validate_change to unshare the source of the PC set.
5138 2008-01-12 Jan Hubicka <jh@suse.cz>
5141 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
5142 references above array bounds. This might trigger bounds checks for
5145 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
5147 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
5148 new_replaceable_dependencies.
5150 2008-01-12 Doug Kwan <dougkwan@google.com>
5152 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
5153 instead of OPT_Wreturn_type in warning due to ignored return type
5155 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
5156 options included in -Wextra.
5157 * c.opt: New option -Wignored_qualifiers.
5158 * doc/invoke.texi (Warning Options, -Wextra): Add new option
5159 -Wignore_qualifiers.
5160 (-Wignored-qualifiers): Document.
5161 (-Wreturn-type): Remove description of functionality now handled
5162 by -Wignored-qualifiers.
5164 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
5167 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
5168 NOP_EXPR if it is between integral types with the same precision.
5170 2008-01-12 Jan Hubicka <jh@suse.cz>
5173 * invoke.texi (max-inline-recursive-depth): Fix default value.
5175 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
5177 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
5180 2008-01-11 Bob Wilson <bob.wilson@acm.org>
5182 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
5184 2008-01-11 James E. Wilson <wilson@specifix.com>
5187 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
5189 2008-01-11 Anatoly Sokolov <aesok@post.ru>
5191 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
5192 save/restore frame pointer register and don't use 'call-prologues'
5193 optimization in function with "OS_task" attribute.
5195 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
5198 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
5199 when copying to memory.
5201 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
5203 PR rtl-optimization/30905
5204 * cfgcleanup.c: Include dce.h
5205 (crossjumps_occured): New global variable.
5206 (try_crossjump_bb): Exit loop after finding a fallthru edge.
5207 If something changed, set crossjumps_occured to true.
5208 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
5209 Don't add/remove fake edges to exit here...
5210 (cleanup_cfg): ...but do it here, when crossjumping.
5211 Run a fast DCE when successful crossjumps occured in the latest
5212 iteration of try_optimize_cfg.
5214 2008-01-11 Richard Guenther <rguenther@suse.de>
5216 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
5217 (struct vn_unary_op_s): Likewise.
5218 (vn_reference_insert): Free old reference on hash collision.
5220 2008-01-10 Raksit Ashok <raksit@google.com>
5222 PR rtl-optimization/27971
5223 * combine.c (find_split_point): Split PLUS expressions which are
5224 inside a MEM rtx, and whose first operand is complex.
5226 2008-01-10 DJ Delorie <dj@redhat.com>
5228 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
5229 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
5230 (m32c_hard_regno_ok): Call the underlying function.
5232 2008-01-10 Richard Guenther <rguenther@suse.de>
5235 * tree-cfg.c (tree_merge_blocks): Do not go through the
5236 full-blown folding and stmt updating path if we just deal
5237 with virtual operands.
5238 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
5239 test for abnormal SSA_NAMEs.
5241 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
5244 * reload.c (push_reload): Add assertions. All constants from
5245 reg_equiv_constant should have been used for replacing the respective
5247 (find_reloads_address): Invoke find_reloads_address_part for
5248 constant taken from the reg_equiv_constant array.
5250 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
5252 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
5253 field (valnum) the first in the struct. Replace bools with
5256 2008-01-10 Richard Guenther <rguenther@suse.de>
5258 PR tree-optimization/34651
5259 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
5260 types and ordering for masking and converting.
5262 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
5264 PR tree-optimization/34017
5265 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
5266 also for PHI_NODE expressions.
5268 2008-01-09 Jan Hubicka <jh@suse.cz>
5270 PR tree-optimization/34708
5271 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
5272 based on number of case labels.
5273 (init_inline_once): Remove switch_cost.
5274 * tree-inline.h (eni_weights_d): Remove switch_cost.
5276 2008-01-09 Richard Guenther <rguenther@suse.de>
5277 Andrew Pinski <andrew_pinski@playstation.sony.com>
5280 * gimplify.c (gimplify_cond_expr): Do not create an addressable
5281 temporary if an rvalue is ok or an lvalue is not required.
5283 2008-01-09 Richard Guenther <rguenther@suse.de>
5286 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
5289 2008-01-09 Richard Guenther <rguenther@suse.de>
5292 * tree.c (host_integerp): Check for sizetype only if the
5293 type is an integer type.
5295 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
5298 * opts.c (decode_options): Disable inlining of functions called
5299 once if not in unit-at-a-time mode.
5301 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
5303 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
5305 2008-01-08 Richard Guenther <rguenther@suse.de>
5308 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
5309 out early if the result will be unused.
5311 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
5316 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
5317 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5320 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
5322 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
5323 for vectorization tuned.
5325 2008-01-08 Richard Guenther <rguenther@suse.de>
5327 PR tree-optimization/34683
5328 * tree-ssa-operands.c (operand_build_cmp): Export.
5329 * tree-ssa-operands.h (operand_build_cmp): Declare.
5330 * tree-vn.c (vuses_compare): Remove.
5331 (sort_vuses): Use operand_build_cmp.
5332 (sort_vuses_heap): Likewise.
5333 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
5334 to re-use old VEC if available. Do not sort already sorted VUSEs.
5335 (vdefs_to_vec): Do not sort already sorted VDEFs.
5337 2008-01-08 Jakub Jelinek <jakub@redhat.com>
5340 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
5342 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
5345 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
5346 limitations of reciprocal sequences on x86 targets.
5348 2008-01-08 Richard Guenther <rguenther@suse.de>
5350 PR tree-optimization/34683
5351 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
5353 2008-01-07 Jakub Jelinek <jakub@redhat.com>
5356 * config/darwin.c (darwin_mergeable_string_section): Don't use
5357 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
5359 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
5362 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
5363 negxf2. Macroize expander using X87MODEF mode iterator. Change
5364 predicates of op0 and op1 to register_operand.
5365 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
5366 expander using X87MODEF mode iterator. Change predicates of
5367 op0 and op1 to register_operand.
5368 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
5369 corresponding patterns and macroize using MODEF macro. Change
5370 predicates of op0 and op1 to register_operand and remove
5371 "m" constraint. Disparage "r" alternative with "!".
5372 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
5373 macroize using X87MODEF macro. Change predicates of op0 and op1
5374 to register_operand and remove "m" constraint. Disparage "r"
5375 alternative with "!".
5376 (absneg splitter with memory operands): Remove.
5377 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
5378 patterns and macroize using X87MODEF mode iterator.
5379 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
5380 Change predicate of op1 to register_operand.
5381 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
5382 for memory operands.
5384 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
5386 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
5388 2008-01-07 Richard Guenther <rguenther@suse.de>
5390 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
5393 2008-01-07 Richard Guenther <rguenther@suse.de>
5395 PR tree-optimization/34683
5396 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
5397 VOPs of the needed size to save memory. Use VEC_quick_push
5398 to save compile-time.
5399 (vdefs_to_vec): Likewise.
5401 2008-01-07 Sa Liu <saliu@de.ibm.com>
5403 * config/spu/spu.md (divdf3): Genetate inline code for double
5404 division. The implementation doesn't handle INF or NAN, therefore it
5405 only applies when -ffinite-math-only is given.
5407 2008-01-06 Paolo Carlini <pcarlini@suse.de>
5410 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
5411 * doc/cpp.texi ([Common Predefined Macros]): Document.
5413 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
5415 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
5416 order to use commutative addition instead of subtraction.
5418 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
5419 Mircea Namolaru <namolaru@il.ibm.com>
5420 Vladimir Yanovsky <yanov@il.ibm.com>
5421 Revital Eres <eres@il.ibm.com>
5423 PR tree-optimization/34263
5424 * tree-outof-ssa.c (process_single_block_loop_latch,
5425 contains_tree_r): New functions.
5426 (analyze_edges_for_bb): Call process_single_block_loop_latch
5427 function to empty single-basic-block latch block if possible.
5429 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
5431 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5433 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
5435 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
5437 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
5439 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
5441 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
5443 2008-01-05 Jakub Jelinek <jakub@redhat.com>
5445 PR tree-optimization/34618
5446 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
5449 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
5452 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
5453 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
5454 Update copyright year.
5456 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
5457 Update copyright year.
5458 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
5461 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
5463 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
5464 edge does not point to current bb before changing need_assert.
5466 2008-01-04 Richard Guenther <rguenther@suse.de>
5469 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
5470 for verifying purposes if they are is_gimple_min_invariant.
5472 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
5474 PR tree-optimization/34448
5475 PR tree-optimization/34465
5476 * gimplify.c (gimplify_init_constructor): Add new parameter
5477 notify_temp_creation. Use it.
5478 (gimplify_modify_expr_rhs): Take volatiles into account when
5479 optimizing constructors.
5480 Do not optimize constructors if gimplify_init_constructor will dump to
5482 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
5483 * gcc.c-torture/compile/pr34448.c: New.
5485 2008-01-04 Jakub Jelinek <jakub@redhat.com>
5487 PR gcov-profile/34609
5488 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
5489 return_slot if result is TREE_ADDRESSABLE.
5491 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
5493 * config/mips/mips.md (sqrt_condition): Tweak comment.
5494 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
5496 2008-01-03 Tom Tromey <tromey@redhat.com>
5499 * c-common.c (c_type_hash): Handle VLAs.
5501 2008-01-03 Jan Hubicka <jh@suse.cz>
5503 PR tree-optimization/31081
5504 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
5505 0 when inlining and not inlining to first basic block.
5506 (remap_decl): When var is initialized to 0, don't set default_def.
5507 (expand_call_inline): Set entry_bb.
5508 * tree-inline.h (copy_body_data): Add entry_bb.
5510 2008-01-03 Jakub Jelinek <jakub@redhat.com>
5513 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
5516 PR tree-optimization/29484
5517 * tree-inline.c (inline_forbidden_p_2): New function.
5518 (inline_forbidden_p): Disallow inlining if some static var
5519 has an address of a local LABEL_DECL in its initializer.
5520 * doc/extend.texi (Labels as Values): Document &&foo behaviour
5523 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
5525 PR tree-optimization/34635
5526 * tree-data-ref.c (add_other_self_distances): Make sure that the
5527 evolution step is constant.
5529 2008-01-03 Jakub Jelinek <jakub@redhat.com>
5532 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
5534 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
5536 * tree-sra.c (scalarize_init): Insert the generate_element_init
5537 statements after the generate_element_zero statements.
5539 2008-01-02 Richard Guenther <rguenther@suse.de>
5543 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
5544 for very large number of operands instead of ICEing.
5546 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
5549 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
5550 while stack probing.
5552 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
5554 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
5557 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
5560 * tree-mudflap.c (mx_register_decls): Guard warning by
5561 !DECL_ARTIFICIAL check.
5563 2008-01-01 Jakub Jelinek <jakub@redhat.com>
5565 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
5566 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
5567 sse5_perm<mode>): Fix constraints.