1 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
3 * fwprop.c: Fix ISO-C99ism.
5 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
8 * Makefile.in (objdir): Set it here.
9 * configure.ac: Not here. Find dynamic linker characteristics.
10 * exec-tool.in: Use them.
11 * aclocal.m4: Regenerate.
12 * configure: Regenerate.
14 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
16 * expr.c (expand_var): Delete it.
17 * expr.h (expand_var): Delete prototype.
18 * function.c (expand_function_start): Use expand_decl instead.
19 * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
22 2008-04-02 Andy Hutchinson <hutchinsonamdy@aim.com>
24 PR rtl-optimization/35542
25 * fwprop.c (forward_propagate_and_simplify): Replace
26 loc_reg_mentioned_in_p with reg_mentioned_p.
28 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
30 PR rtl-optimization/35281
31 * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
32 (propagate_rtx_1): Handle PR_HANDLE_MEM.
33 (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
34 (varying_mem_p): Move above propagate_rtx.
35 (all_uses_available_at): Do not check MEMs.
37 2008-04-02 Rafael Espindola <espindola@google.com>
39 * tree-vrp.c (extract_code_and_val_from_cond): Remove.
40 (register_edge_assert_for_2): Split the cond argument.
41 (register_edge_assert_for_1): Adjust for the change in
42 register_edge_assert_for_2.
43 (register_edge_assert_for): Split the cond argument.
44 (find_switch_asserts): Adjust for the change in
45 register_edge_assert_for.
47 2008-04-02 Kai Tietz <kai.tietz@onevision.com>
49 * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
50 * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
51 offsets for 64-bit mingw.
52 * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
53 abi for x86_64-pc-mingw.
55 2008-04-02 Richard Guenther <rguenther@suse.de>
57 * tree-vrp.c (extract_range_from_assert): Make sure to not
58 produce range min/max with TREE_OVERFOW set.
59 If merging a anti-range and a range keep the anti-range if
60 the range covers all values of the type.
61 (register_edge_assert_for_2): Only allow sign-changing
62 conversions in detecting canonical range checks. Also
63 register an assert for the unsigned name if useful.
65 PR tree-optimization/35787
66 * tree-vrp.c (vrp_val_max): New function.
67 (vrp_val_min): Likewise.
68 (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
69 (vrp_val_is_min): Likewise.
70 (supports_overflow_infinity): Use vrp_val_{min,max}.
71 (negative_overflow_infinity): Likewise.
72 (positive_overflow_infinity): Likewise.
73 (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
74 (is_positive_overflow_infinity): Likewise.
75 (is_overflow_infinity): Likewise.
76 (avoid_overflow_infinity): Use vrp_val_{min,max} and
78 (set_and_canonicalize_value_range): Canonicalize anti-ranges
79 to ranges if possible. Avoid empty ranges.
81 2008-04-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
84 * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
85 the expression is a function address.
87 2008-04-01 George Helffrich <george@gcc.gnu.org>
89 PR fortran/PR35154, fortran/PR23057
90 * fortran/trans-common.c (create_common): Add decl to function
91 chain to preserve identifier scope in debug output.
93 * dbxout.c: Emit .stabs debug info for Fortran COMMON block
94 variables as base symbol name + offset using N_BCOMM/N_ECOMM.
95 (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
96 (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
98 (dbxout_syms): Check for COMMON-based symbol and wrap in
99 N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
100 in bracket for efficiency.
102 * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
103 using DW_TAG_common_block + member offset.
104 (add_pubname_string): New function.
105 (dw_expand_expr): New function to find block name and offset for
107 (common_check): New function to check whether symbol in Fortran COMMON.
108 (gen_variable_die): If COMMON, use DW_TAG_common_block.
110 * testsuite/gcc.dg/debug/pr35154.c: New test to check that non-Fortran
111 use of common is unchanged.
113 * testsuite/lib/gfortran-dg.exp: New harness to compile Fortran progs
114 with all combinations of debug options available on target.
115 * testsuite/gfortran.dg/debug/debug.exp: Ditto.
116 * testsuite/gfortran.dg/debug/trivial.f: Ditto.
117 * testsuite/gfortran.dg/debug/pr35154-stabs.f: New test case for
118 .stabs functionality.
119 * testsuite/gfortran.dg/debug/pr35154-dwarf2.f: New test case for
122 2008-04-01 Volker Reichelt <v.reichelt@netcologne.de>
125 * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
127 2008-04-02 Ben Elliston <bje@au.ibm.com>
129 * config/v850/v850.md (casesi): Remove if (0) code.
130 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
131 * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
133 2008-04-01 Uros Bizjak <ubizjak@gmail.com>
135 * config/i386/i386.md (rex64suffix): New mode attribute.
136 (floathi<mode>2): Disable expander for SSE math.
137 (*floathi<mode>2_1): New insn insn_and_split pattern.
138 (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
139 corresponding post-reload splitters.
140 (*floathi<mode>2_i387): New macroized insn pattern.
141 (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
142 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
143 insn_and_split pattern.
144 (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
145 New macroized instruction patterns and corresponding post-reload
147 (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
148 and corresponding post-reload splitters.
149 (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
150 New macroized instruction patterns.
151 (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
152 macroized instruction patterns and corresponding post-reload splitters.
153 (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
154 corresponding post-reload splitters.
155 (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
156 New macroized instruction patterns.
157 (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
158 corresponding post-reload splitters.
159 (*floatsi<mode>2_i387): New macroized instruction patterns.
161 2008-04-01 H.J. Lu <hongjiu.lu@intel.com>
163 * config/i386/i386.md (smaxmin): New.
165 (maxminiprefix): Likewise.
166 (maxminfprefix): Likewise.
167 (<code><mode>3): Likewise.
168 (smin<mode>3): Removed.
169 (smax<mode>3): Likewise.
171 * config/i386/mmx.md (mmx_<code>v2sf3): New.
172 (mmx_<code>v4hi3): Likewise.
173 (mmx_<code>v8qi3): Likewise.
174 (mmx_smaxv2sf3): Removed.
175 (mmx_sminv2sf3): Likewise.
176 (mmx_umaxv8qi3): Likewise.
177 (mmx_smaxv4hi3): Likewise.
178 (mmx_uminv8qi3): Likewise.
179 (mmx_sminv4hi3): Likewise.
181 * config/i386/sse.md (<addsub><mode>3): New.
182 (*<addsub><mode>3): Likewise.
183 (<sse>_vm<addsub><mode>3): Likewise.
184 (<maxmin><mode>3): Likewise.
185 (*<maxmin><mode>3_finite): Likewise.
186 (*<maxmin><mode>3): Likewise.
187 (<sse>_vm<maxmin><mode>3): Likewise.
188 (sse3_h<addsub>v4sf3): Likewise.
189 (sse3_h<addsub>v2df3): Likewise.
190 (<maxmin>v16qi3): Likewise.
191 (*<maxmin>v16qi3): Likewise.
192 (<maxmin>v8hi3): Likewise.
193 (*<maxmin>v8hi3): Likewise.
194 (*sse4_1_<maxmin><mode>3): Likewise.
195 (*sse4_1_<maxmin><mode>3): Likewise.
196 (add<mode>3): Removed.
197 (*add<mode>3): Likewise.
198 (<sse>_vmadd<mode>3): Likewise.
199 (sub<mode>3): Likewise.
200 (*sub<mode>3): Likewise.
201 (<sse>_vmsub<mode>3): Likewise.
202 (smin<mode>3): Likewise.
203 (*smin<mode>3_finite): Likewise.
204 (*smin<mode>3): Likewise.
205 (<sse>_vmsmin<mode>3): Likewise.
206 (smax<mode>3): Likewise.
207 (*smax<mode>3_finite): Likewise.
208 (*smax<mode>3): Likewise.
209 (<sse>_vmsmax<mode>3): Likewise.
210 (sse3_haddv4sf3): Likewise.
211 (sse3_haddv2df3): Likewise.
212 (sse3_hsubv4sf3): Likewise.
213 (sse3_hsubv2df3): Likewise.
214 (umaxv16qi3): Likewise.
215 (*umaxv16qi3): Likewise.
216 (smaxv8hi3): Likewise.
217 (*smaxv8hi3): Likewise.
218 (*sse4_1_smax<mode>3): Likewise.
219 (*sse4_1_umax<mode>3): Likewise.
220 (uminv16qi3): Likewise.
221 (*uminv16qi3): Likewise.
222 (sminv8hi3): Likewise.
223 (*sminv8hi3): Likewise.
224 (*sse4_1_smin<mode>3): Likewise.
225 (*sse4_1_umin<mode>3): Likewise.
227 2008-04-01 Rafael Espindola <espindola@google.com>
229 * tree-cfg.c (verify_expr): remove in_phi.
230 (verify_stmt): Don't call walk_tree with verify_expr. Use
231 is_gimple_min_invariant instead of is_gimple_val.
233 2008-04-01 Joseph Myers <joseph@codesourcery.com>
235 * doc/include/gpl_v3.texi: Update for manpage generation.
236 * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
238 * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
239 * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
240 gpl_v3.texi instead of gpl.texi.
243 2008-04-01 Jakub Jelinek <jakub@redhat.com>
246 * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
248 2008-04-01 Rafael Espindola <espindola@google.com>
250 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
251 (extract_code_and_val_from_cond): Use
252 extract_code_and_val_from_cond_with_ops.
254 2008-04-01 Jan Hubicka <jh@suse.cz>
256 * function.c (free_after_compilation): Free epilogue_delay_list.
257 (prepare_function_start): Assert that previous compilation was freed.
259 2008-04-01 Jan Hubicka <jh@suse.cz>
260 Jim Wilson <wilson@tuliptree.org>
261 Andreas Tobler <andreast@gcc.gnu.org>
264 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
265 rtl.emit instead cfun->emit.
266 * sparc/sparc.h (INIT_EXPANDERS): Likewise.
267 * ia64/ia64.h (INIT_EXPANDERS): Likewise.
269 2008-04-01 Ben Elliston <bje@au.ibm.com>
271 * doc/c-tree.texi (Function Basics): Fix grammatical error.
273 2008-03-31 Seongbae Park <seongbae.park@gmail.com>
275 * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
277 (fprofile-use): Add var flag_profile_use
278 * coverage.c (coverage_begin_output): Do not open a gcno file for
279 output only if -ftest-coverage is set.
280 Do not add getpwd() to gcda file path.
281 (build_gcov_info): Check the new flag
282 flag_profile_datafile_relative_path.
283 (coverage_init): Use profile_data_prefix.
284 Read profile counter only if flag_profile_use is set.
285 * opts.c (common_handle_option): New option fprofile-use=,
286 fprofile-dir=, fprofile-generate=.
287 * toplev.c (profile_data_prefix): New variable definition.
288 * toplev.h (profile_data_prefix): New declaration.
289 * doc/invoke.tex (Option Summary, Optimization Options):
292 2008-03-31 James E. Wilson <wilson@tuliptree.org>
294 * varasm.c (output_constant_pool_1): In LABEL_REF check,
295 use tmp consistently.
298 * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
299 * config/ia64/ia64.c (rtx_needs_barrier): Handle
300 UNSPEC_FR_RECIP_APPROX_RES.
301 * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
303 2008-03-31 Volker Reichelt <v.reichelt@netcologne.de>
306 * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
308 2008-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
311 * fold-const.c (fold_indirect_ref_1): Support accessing non first
312 element of the vector via a pointer.
314 2008-03-31 Ian Lance Taylor <iant@google.com>
316 * tlink.c (scan_linker_output): Look for symbol name in single quotes.
318 2008-03-31 Jan Hubicka <jh@suse.cz>
320 * builtins.c (expand_builtin_setjmp_receiver): Update call of
321 get_arg_pointer_save_area.
322 * expr.c (init_expr): Just clear out rtl.expr.
323 * function.c (free_after_compilation): Clear out whole RTL structure.
324 (get_func_frame_size): Merge into ...
325 (get_frame_size): ... this one.
326 (assign_stack_local_1): Merge into ...
327 (assign_stack_local): ... this one.
328 (expand_function_end): Update call of get_arg_pointer_save_area.
329 (get_art_pointer_save_area): Remove cfun argument.
330 * function.h (emit_status): regno_pointer_align does not need length
331 attribute. Move x_regno_reg_rtx to ...
332 (regno_reg_rtx): ... new global array.
333 (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
334 (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
335 apply_args_value, forced_labels, stack_pointer_delta):
337 (struct varasm_status): Move here from varasm.c
338 (struct rtl_data): New. Move here some fields from struct function.
339 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
340 frame_offset, stack_check_probe_note, arg_pointer_save_area,
341 used_temp_slots avail_temp_slots, temp_slot_level,
342 nonlocal_goto_handler_labels): Update accesstors.
343 (rtl): New global variable.
344 (struct function): Move some fileds to rtl_data.
345 (get_arg_pointer_save_area): Update prototype.
346 * emit-rtl.c (rtl): Declare.
347 (regno_reg_rtx): Declare.
348 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
350 (gen_reg_rtx): Update.
351 (init_virtual_regs): Do not tate emit_status argument.
352 (init_emit): Do not allocate emit.
353 * varasm.c (varasm_statuc): Move to function.h.
354 (n_deferred_constatns): Update accestor.
355 (init_varasm_status): Do not allocate varasm_status.
356 (force_const_mem, get_pool_size, output_constant_pool): Update.
357 * stmt.c (force_label_rtx): Do not use x_ prefixes.
358 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
360 2008-03-31 Zdenek Dvorak <ook@ucw.cz>
362 PR rtl-optimization/35729
363 * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
366 2008-03-31 H.J. Lu <hongjiu.lu@intel.com>
369 * config/i386/i386.md (*movti_internal): Emit unaligned SSE
370 load/store if memory is unaligned.
371 (*movti_rex64): Likewise.
373 * config/i386/predicates.md (misaligned_operand): New.
375 2008-03-31 Andrew Pinski <pinskia@gmail.com>
378 * tree-ssa-phiopt.c (conditional_replacement): Return early for
381 2008-03-31 Jan Beulich <jbeulich@novell.com>
383 * config/ia64/constraints.md: Add 'j' constraint.
384 * config/ia64/ia64.md (movsi_internal): Add addp4 case.
385 (movdi_internal): Likewise.
387 2008-03-30 Volker Reichelt <v.reichelt@netcologne.de>
390 * c-typeck.c (build_c_cast): Skip invalid fields in unions.
392 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
395 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
396 proper error message for the third argument on blendpd and
399 * config/i386/sse.md (blendbits): New.
400 (sse4_1_blendp<ssemodesuffixf2c>): Use it.
402 2008-03-30 Eric Botcazou <ebotcazou@adacore.com>
404 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
406 2008-03-30 Richard Guenther <rguenther@suse.de>
409 * fold-const.c (fold_sign_changed_comparison): Do leave
410 conversions to base-types alone.
412 2008-03-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
414 * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
415 the link register if one altivec register is be saved.
417 2008-03-30 Ben Elliston <bje@au.ibm.com>
419 * final.c (final_scan_insn): Remove if (0) code.
421 2008-03-28 Volker Reichelt <v.reichelt@netcologne.de>
423 * c-parser.c (c_parser_next_token_is_keyword): Simplify.
425 2008-03-28 H.J. Lu <hongjiu.lu@intel.com>
427 * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
428 of V4SFmode to ix86_binary_operator_ok.
430 2008-03-28 Uros Bizjak <ubizjak@gmail.com>
432 * config/i386/i386.c (override_options): Initialize
433 ix86_veclib_handler to ix86_veclibabi_svml when
434 -mveclibabi=svml is used.
435 (ix86_veclibabi_svml): New function for SVML ABI style
436 vectorization support.
437 * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
439 2008-03-28 Rafael Espindola <espindola@google.com>
441 * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
442 (tree_binary_nonnegative_warnv_p): Make it public.
443 (tree_single_nonnegative_warnv_p): Make it public.
444 (tree_invalid_nonnegative_warnv_p): Make it public.
445 (tree_unary_nonzero_warnv_p): Make it public.
446 (tree_binary_nonzero_warnv_p): Make it public
447 (tree_single_nonzero_warnv_p): Make it public.
448 * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
449 (extract_range_from_binary_expr): Split the expr argument.
450 (extract_range_from_unary_expr): Split the expr argument.
451 (extract_range_from_comparison): Split the expr argument.
452 (extract_range_from_expr): Use the new aux functions.
453 (vrp_evaluate_conditional_warnv): Use
454 vrp_evaluate_conditional_warnv_with_ops.
455 * tree.h (tree_unary_nonzero_warnv_p): Declare.
456 (tree_binary_nonzero_warnv_p): Declare.
457 (tree_single_nonzero_warnv_p): Declare.
458 (tree_expr_nonzero_warnv_p): Declare.
459 (tree_unary_nonnegative_warnv_p): Declare.
460 (tree_binary_nonnegative_warnv_p): Declare.
461 (tree_single_nonnegative_warnv_p): Declare.
462 (tree_invalid_nonnegative_warnv_p): Declare.
464 2008-03-28 Richard Guenther <rguenther@suse.de>
466 PR tree-optimization/30317
467 PR tree-optimization/30911
468 PR tree-optimization/34793
469 * tree-vrp.c (set_and_canonicalize_value_range): New function.
470 (struct assert_locus_d): New member EXPR.
471 (register_new_assert_for): Add EXPR parameter to support
472 ASSERT_EXPR <name, expr OP limit>.
473 (register_edge_assert_for_1): Adjust callers.
474 (find_assert_locations): Likewise.
475 (process_assert_insertions_for): Build condition from expression.
476 (extract_range_from_assert): Handle ASSERT_EXPRs
477 of the form ASSERT_EXPR <name, expr OP limit>.
478 (register_edge_assert_for_2): New helper registering
479 asserts for comparisons. Recognize range tests of the form
480 (unsigned)i - CST1 OP CST2.
481 (register_edge_assert_for_1): Use it.
482 (register_edge_assert_for): Likewise.
483 (needs_overflow_infinity): Integer sub-types
484 do not need overflow infinities.
485 (vrp_val_is_max): The extreme values of integer sub-types
486 are those of the base type.
487 (vrp_val_is_min): Likewise.
488 * tree.def (ASSERT_EXPR): Document extra allowed conditional
491 2008-03-28 Nick Clifton <nickc@redhat.com>
493 * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
494 Return GENERAL_REGS for stack adjustment reloads.
496 2008-03-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
499 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
500 const_vector when all the vectors are constant.
502 2008-03-27 Bob Wilson <bob.wilson@acm.org>
504 * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
506 * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
507 (any_scc_sf): Add uneq, unlt, unle and unordered operators.
509 (s<code>_sf): Use new scc_sf attribute for opcode names.
511 2008-03-27 Tom Tromey <tromey@redhat.com>
513 * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
514 configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
515 config/spu/t-spu-elf, config/i386/t-interix,
516 config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
517 config/i386/x-darwin, config/i386/x-mingw32,
518 config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
519 config/sh/t-sh, config/sh/t-symbian, config/x-linux,
520 config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
521 config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
522 config/rs6000/x-rs6000, config/rs6000/x-darwin64,
523 config/rs6000/x-darwin, config/rs6000/t-rs6000,
524 config/score/t-score-elf, config/arm/t-strongarm-pe,
525 config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
526 config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
527 Revert automatic dependency patch.
529 2008-03-27 H.J. Lu <hongjiu.lu@intel.com>
532 * config/i386/i386.c (ix86_function_arg_boundary): Align
533 decimal floating point to its natural boundary.
535 2008-03-27 Richard Guenther <rguenther@suse.de>
538 * fold-const.c (fold_comparison): Restrict distinct decl
539 comparison folding to VAR_DECLs and PARM_DECLs. Do not
540 solely rely on operand_equal_p.
542 2008-03-27 Richard Guenther <rguenther@suse.de>
545 * c-common.c (handle_weak_attribute): Reject combination of
548 2008-03-27 Richard Guenther <rguenther@suse.de>
550 PR tree-optimization/32810
551 * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
552 conversions from DECL_INITIAL.
553 (fold_const_aggregate_ref): Likewise from constructor elements.
555 2008-03-27 Zdenek Dvorak <ook@ucw.cz>
557 * tree-affine.h (aff_combination_expand): Declare.
558 (get_inner_reference_aff): Likewise.
559 * tree-affine.c (aff_combination_expand): Split out from
560 tree_to_aff_combination_expand.
561 (get_inner_reference_aff): New function.
562 * tree-parloops.c (loop_parallel_p): Free vectorizer info.
563 * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
564 (struct lim_aux_data): sm_done field removed.
565 (mem_ref_loc_p, mem_ref_locs_p): New types.
566 (struct mem_ref): Added id, stored, accesses_in_loop,
567 indep_loop, dep_loop, indep_ref, dep_ref fields.
568 Removed is_stored, locs and next fields.
569 (memory_accesses): New variable.
570 (movement_possibility): Do not allow moving statements
571 that store to memory.
572 (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
574 (determine_max_movement): For statements with memory references,
575 find the outermost loop in that the reference is independent.
576 (move_computations_stmt): Mark the virtual operands for renaming.
577 (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
578 gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
579 vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
580 add_vop_ref_mapping, create_vop_ref_mapping_loop,
581 create_vop_ref_mapping, analyze_memory_references,
582 cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
583 get_all_locs_in_loop, ref_always_accessed_p,
584 refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
585 ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
586 store_motion_loop, store_motion): New functions.
587 (struct vop_to_refs_elt): New type.
588 (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
589 memref_hash, memref_eq, hoist_memory_references): Rewritten.
590 (schedule_sm): Replaced by...
591 (execute_sm): ... this.
592 (determine_lsm_ref, hoist_memory_references,
593 loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
594 find_more_ref_vops, free_mem_ref, free_mem_refs,
595 determine_lsm_loop, determine_lsm): Removed.
596 (tree_ssa_lim_finalize): Free data structures used by store motion.
597 (tree_ssa_lim): Call analyze_memory_references. Use
598 store_motion instead of determine_lsm.
600 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
602 * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
603 rename tmake_file to m68hc11/t-m68hc11.
604 (mcore): Set inhibit_libc to true.
605 * config.host (alpha*-dec-*vms*): Set extra_programs.
606 (interix3*): Don't use host_xmake_file.
607 * configure.ac: Let config.gcc override inhibit_libc.
608 * configure: Regenerate.
610 * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
611 * config/t-openbsd-thread: Remove commented out lines.
613 * config/x-interix: Remove.
615 * config/m68hc11/t-m68hc11-gas: Rename to...
616 * config/m68hc11/t-m68hc11: ... this. Remove T_CPPFLAGS.
618 * config/mcore/t-mcore: Remove T_CFLAGS.
619 * config/mcore/t-mcore-pe: Likewise.
621 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
623 * configure.ac: Replace custom __GNU_SOURCE test with
624 AC_USE_SYSTEM_EXTENSIONS. Move it earlier.
625 * aclocal.m4: Regenerate.
626 * configure: Regenerate.
627 * config.in: Regenerate.
629 2008-03-27 Richard Guenther <rguenther@suse.de>
631 * fold-const.c (target.h): Include.
632 (fold_comparison): Fold comparison of addresses of decls
633 that bind locally or of constants. Consolidate address folding code.
634 * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
635 results from fold_binary_to_constant.
636 (compare_values_warnv): Likewise.
638 2008-03-27 Andrew Pinski <pinskia@gmail.com>
641 * fold-const.c (fold_truthop): Check for integeral types when folding
642 a == 0 && b == 0 and a != 0 || b != 0 .
644 2008-03-26 Eric Botcazou <ebotcazou@adacore.com>
646 * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
648 2008-03-26 Andreas Schwab <schwab@suse.de>
650 * doc/invoke.texi: Fix use of @item vs. @itemx.
652 2008-03-26 Tom Tromey <tromey@redhat.com>
654 * Makefile.in (build/gensupport.o, build/print-rtl.o,
655 build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
656 build/genattrtab.o, build/genautomata.o, build/gencheck.o,
657 build/gencodes.o, build/genconditions.o, build/genconfig.o,
658 build/genconstants.o, build/genemit.o, build/genextract.o,
659 build/genflags.o, build/genmddeps.o, build/genopinit.o,
660 build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
663 2008-03-26 Richard Guenther <rguenther@suse.de>
666 2008-03-26 Richard Guenther <rguenther@suse.de>
668 * fold-const.c (target.h): Include.
669 (fold_comparison): Fold comparison of addresses of two decls
670 that bind locally. Consolidate address folding code.
672 2008-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
674 * builtins.c (expand_builtin_pow, fold_builtin_cabs,
675 fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
676 fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
677 dconstsqrt2, dconstthird, dconste and/or dconst10.
678 * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
679 * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
680 dconstsqrt2, dconste): Delete.
681 (init_emit_once): Likewise. Simplify initializing dconstm1.
683 * real.c (get_real_const): New.
684 * real.h (dconst3, dconst10, dconstm2, dconstthird,
685 dconstsqrt2, dconste): Delete.
686 (real_value_const, get_real_const): New.
688 2008-03-26 H.J. Lu <hongjiu.lu@intel.com>
690 * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
692 * config/i386/i386.c (ix86_function_arg_boundary): Check
693 BIGGEST_ALIGNMENT instead of 128.
694 (setup_incoming_varargs_64): Likewise.
696 2008-03-26 Tom Tromey <tromey@redhat.com>
698 * Makefile.in (DEPFILES): Add missing '/'.
700 2008-03-26 Richard Guenther <rguenther@suse.de>
702 * fold-const.c (target.h): Include.
703 (fold_comparison): Fold comparison of addresses of two decls
704 that bind locally. Consolidate address folding code.
706 2008-03-26 Nick Clifton <nickc@redhat.com>
709 * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
710 not allow INT+INT as a legitimate addressing mode.
712 2008-03-26 Richard Guenther <rguenther@suse.de>
714 * tree-flow.h (widen_bitfield): Remove declaration.
715 * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
716 (widen_bitfield): Remove function.
717 * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
720 2008-03-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
723 * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
726 2008-03-25 Richard Sandiford <rsandifo@nildram.co.uk>
728 PR rtl-optimization/35232
729 * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
730 (forget_old_reloads_1, forget_marked_reloads): Don't clear
731 reg_reloaded_call_part_clobbered here.
732 (reload_regs_reach_end_p): New function.
733 (reload_reg_rtx_for_input): New variable.
734 (reload_reg_rtx_for_output): Likewise.
735 (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
736 when reassigning a pseudo register. Load reloadreg from
737 reload_reg_rtx_for_input, moving the mode and register
739 (do_input_reload): ...here. Use the mode-adjusted reg_rtx
740 instead of the original when deciding whether an input reload
741 would be a no-op or whether an output reload can be deleted.
742 (emit_output_reload_insns): Use the mode-adjusted reg_rtx
743 when setting up new_spill_reg_store. Load it from
744 reload_reg_rtx_for_output, moving the mode and register
746 (do_output_reload): ...here. Use the mode-adjusted reg_rtx
747 instead of the original when deciding whether an output reload
748 would be a no-op. Do the same when modifying insn notes.
749 Use rtx_equal_p instead of == to compare the registers.
750 (inherit_piecemeal_p): Take a mode and two register numbers
752 (emit_reload_insns): Clear new_spill_reg_store for every hard
753 register in the reload register. Remove spill registers
754 from reg_reloaded_valid before considering whether to record
755 inheritance information for them. Use reload_reg_rtx_for_output
756 instead of reg_rtx when recording output reloads. Use
757 reload_reg_rtx_for_input instead of reg_rtx when recording
758 input reloads. Set or clear reg_reloaded_call_part_clobbered
759 at the same time as setting reg_reloaded_valid.
760 (delete_output_reload): Add a new_reload_reg parameter and use it
761 instead of rld[j].reg_rtx.
762 (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
765 2008-03-25 Tom Tromey <tromey@redhat.com>
767 * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
768 (build/genattr.o): Likewise.
769 (build/genattrtab.o): Likewise.
770 (build/gencodes.o): Likewise.
771 (build/genconfig.o): Likewise.
772 (build/genconstants.o): Likewise.
773 (build/genemit.o): Likewise.
774 (build/genextract.o): Likewise.
775 (build/genflags.o): Likewise.
777 2008-03-25 Bob Wilson <bob.wilson@acm.org>
779 * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
780 instead of size_int for integer types.
781 (xtensa_gimplify_va_arg_expr): Likewise. Convert index to sizetype
782 to match type of MINUS_EXPR.
784 2008-03-25 Tom Tromey <tromey@redhat.com>
786 * configure: Rebuilt.
787 * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
790 2008-03-25 Tom Tromey <tromey@redhat.com>
792 * config/x-solaris (host-solaris.o): Update.
793 * config/x-linux (host-linux.o): Update.
794 * config/x-hpux (host-hpux.o): Update.
795 * config/x-darwin (host-darwin.o): Update.
796 * config/v850/t-v850e (v850-c.o): Update.
797 * config/v850/t-v850 (v850-c.o): Update.
798 * config/t-vxworks (vxworks.o): Update.
799 * config/t-sol2 (sol2-c.o, sol2.o): Update.
800 * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
801 * config/spu/t-spu-elf (spu-c.o): Update.
803 * config/sh/t-symbian (sh-c.o): Update.
805 * config/sh/t-sh (sh-c.o): Update.
806 * config/score/t-score-elf (score7.o, score3.o): Update.
807 * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
808 * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
809 * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
810 * config/rs6000/t-rs6000 (rs6000-c.o): Update.
812 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
813 * config/m32c/t-m32c (m32c-pragma.o): Update.
814 * config/ia64/t-ia64 (ia64-c.o): Update.
815 * config/i386/x-mingw32 (host-mingw32.o): Update.
816 * config/i386/x-i386 (driver-i386.o): Update.
817 * config/i386/x-darwin (host-i386-darwin.o): Update.
818 * config/i386/x-cygwin (host-cygwin.o): Update.
819 * config/i386/t-nwld (nwld.o): Update.
820 * config/i386/t-netware (netware.o): Update.
821 * config/i386/t-interix (winnt.o): Update.
822 * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
823 * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
824 msformat-c.o): Update.
825 * config/bfin/t-bfin-linux (generated_files): Add
826 linux-sysroot-suffix.h.
827 * config/arm/t-wince-pe (pe.o): Update.
828 * config/arm/t-strongarm-pe (pe.o): Update.
829 * config/arm/t-pe (pe.o): Update.
830 * config/arm/t-arm (arm-c.o): Update.
831 * doc/install.texi (Prerequisites): Require make 3.80.
832 * Makefile.in: Remove .o targets.
833 (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
834 (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
835 (simple_generated_h, simple_generated_c): Move earlier.
836 (generated_files): New variable.
837 (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
838 TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
839 BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
840 ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
841 REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
842 CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
843 CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
844 INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
845 PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
846 TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
847 DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
848 VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
850 (COMPILE.base, COMPILE): New variables.
851 (%.o): New pattern rule.
852 (ALL_HOST_OBJS): New variable.
853 (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
854 (dummy-checksum.o, cc1-checksum.o): Remove.
855 (DRIVER_SHLIB): New variable.
856 (DRIVER_DEFINES): Use it.
857 (gencondmd.c): Move out of build/.
858 (s-conditions): Update.
859 (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
860 (ALL_BUILD_OBJS): Likewise.
861 (build/%.o): Use BUILDCOMPILE.
862 (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
863 build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
864 build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
865 build/gencheck.o, build/gencodes.o, build/genconditions.o,
866 build/genconfig.o, build/genconstants.o, build/genemit.o,
867 build/genextract.o, build/genflags.o, build/genmddeps.o,
868 build/genopinit.o, build/genoutput.o, build/genpeep.o,
869 build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
870 build/gen-protos.o, build/scan.o, build/fix-header.o,
871 build/scan-decls.o): Simplify.
872 (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
873 cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
874 prefix.o, toplev.o): Reduce to variable setting.
875 (libbackend.o): Use COMPILE. Remove most dependencies. Move later.
876 ($(out_object_file), gcc-options.o): New targets.
877 ($(ALL_HOST_OBJS)): New target. Include dependency files.
878 * configure: Rebuilt.
879 * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
880 * doc/sourcebuild.texi (Front End Directory): Document new variable.
882 2008-03-25 Douglas Gregor <doug.gregor@gmail.com>
884 * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
885 complain when we hit an error, return ERROR_MARK_NODE.
887 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
889 * config/sh/constraints.md (Pso, Psz): New constraints.
890 * config/sh/sh.c (print_operand): Add %V and %W operand codes.
891 * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
893 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
895 * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
896 * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
898 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
900 * config/sh/sh.md (prefetch): Add condition for SH2A target.
901 (prefetch_sh2a): New.
903 2008-03-25 Jayant Sonar <Jayant.sonar@kpitcummins.com>
904 Naveen.H.S <naveen.hs@kpitcummins.com>
906 * config/sh/constraints.md (I28): New constraint.
907 * config/sh/sh.c (broken_move): Add support for movi20s.
908 * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
910 2008-03-25 Anil Paranjape <anil.paranjape@kpitcummins.com>
911 Jayant Sonar <Jayant.sonar@kpitcummins.com>
912 Naveen.H.S <naveen.hs@kpitcummins.com>
914 * config/sh/sh.c (SH_ATTRIBUTES): Define.
915 (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
916 (print_operand): Handle resbank in %@ operand code.
917 (sh_encode_section_info): New.
918 (push_regs): Add conditions for resbank.
919 (sh_expand_epilogue): Likewise.
920 (sh_insert_attributes): Likewise.
921 (sh_attribute_table): Likewise.
922 (sh_handle_resbank_handler_attribute): New.
923 (sh2a_handle_function_vector_handler_attribute): New.
924 (sh2a_is_function_vector_call): New.
925 (sh2a_get_function_vector_number): New.
926 (sh2a_function_vector_p): New.
927 (sh_cfun_resbank_handler_p): New.
928 * config/sh/sh.md (calli): Emit jsr/n if possible.
929 (calli_tbr_rel): New.
930 (calli_pcrel): Emit jsr/n if possible.
931 (return_i): Emit rts/n if possible.
932 (call_valuei_tbr_rel): New.
933 (call_valuei_pcrel): Add condition for SH2A target.
934 (call_value): Likewise.
935 * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
936 (sh2a_get_function_vector_number): Likewise.
937 (sh2a_is_function_vector_call): Likewise.
938 * doc/extend.texi: Document TBR relative addressing of SH2A.
939 (resbank): Add description for SH2A.
941 2008-03-24 Richard Guenther <rguenther@suse.de>
944 * gimplify.c (gimplify_modify_expr): For frontend type-correct
945 pointer assignments change conversions according to middle-end rules.
946 (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
947 * configure.ac: Include type checking in yes.
948 * configure: Regenerate.
950 2008-03-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
952 * diagnostic.c (diagnostic_count_diagnostic): Delete.
953 (diagnostic_report_diagnostic): Update. Handle ICEs here.
955 2008-03-24 Nathan Sidwell <nathan@codesourcery.com>
957 * gthr-vxworks.h (UNUSED): Define.
959 2008-03-23 H.J. Lu <hongjiu.lu@intel.com>
961 * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
963 2008-03-23 Zuxy Meng <zuxy.meng@gmail.com>
965 * doc/extend.texi (Function Attributes): Add missing comma in the
966 example of the "alloc_size" attribute.
968 2008-03-23 Uros Bizjak <ubizjak@gmail.com>
971 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
973 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
976 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
979 * stor-layout.c (update_alignment_for_field): Set minimum alignment
980 of the underlying type of a MS bitfield layout to the natural
981 alignment of the type.
983 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
985 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
986 to their natural alignment to avoid store forwarding stalls.
988 2008-03-22 Richard Guenther <rguenther@suse.de>
990 * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
991 For PHI nodes verify the address is invariant.
992 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
993 (get_symbol_constant_value): Use is_gimple_min_invariant.
994 (maybe_fold_stmt_indirect): Likewise.
996 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
998 PR rtl-optimization/33927
999 * Makefile.in (dse.o): Depend on $(TM_P_H).
1000 * expr.h (extract_low_bits): Declare.
1001 * expmed.c (extract_low_bits): New function.
1002 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
1003 * dse.c: Include tm_p.h.
1004 (find_shift_sequence): Remove the read_reg argument and return the
1005 read value. Emit the instructions instead of returning them.
1006 Iterate on new_mode rather than calculating it each time.
1007 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
1008 source to NEW_MODE and extract_low_bits to convert the shifted
1010 (replace_read): Allow the load and store to have different mode
1011 classes. Use extract_low_bits when SHIFT == 0. Create the shift
1012 or extraction instructions before trying the replacement. Update
1013 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
1015 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
1017 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1018 to their natural alignment to avoid store forwarding stalls.
1020 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
1023 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
1024 encouraging but not allowing gprs for input;
1025 change the input constraint to !f#r.
1026 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
1028 change the output constraint to !f#r.
1030 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
1033 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
1034 corresponding post-reload splitters.
1035 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
1036 when x87 FP math is selected.
1037 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
1038 New function prototype.
1039 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
1040 unreachable function to ease macroization of insn patterns.
1042 2008-03-21 Martin Jambor <mjambor@suse.cz>
1044 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
1045 reference dumps if ddr is NULL or dependence is unknown.
1047 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1049 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
1050 unsigned extension into account.
1051 (ATOMIC_COMPARE_AND_SWAP): Likewise.
1052 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
1053 Do computations on a scratch register.
1055 2008-03-21 Richard Guenther <rguenther@suse.de>
1057 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1058 Use is_gimple_min_invariant instead of TREE_INVARIANT.
1059 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
1060 * tree-ssa-dom.c (record_equality): Likewise.
1061 * tree-inline.c (copy_body_r): Likewise.
1062 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
1065 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1067 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
1068 as 'delete_unused' argument.
1070 2008-03-20 Richard Guenther <rguenther@suse.de>
1072 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1073 special casing of constant qualifiers.
1074 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
1075 care about them in general.
1076 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
1077 regardless of their type.
1078 (fold_stmt_r): Forcefully fold *& if we end up with that.
1080 2008-03-20 Paul Brook <paul@codesourcery.com>
1082 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
1083 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
1085 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
1087 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
1088 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
1090 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
1092 * common.opt (Wmudflap): New option.
1093 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
1094 (mx_register_decls): Likewise.
1095 (mudflap_finish_file): Likewise.
1096 * doc/invoke.texi: Document -Wno-mudflap.
1098 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
1100 * c-format.c (replace_format_name_to_system_name): New.
1102 (convert_format_name_to_system_name): New.
1103 (decode_format_attr): Add use of convert_format_name_to_system_name.
1104 (format_types_orig): Add gnu_ prefix to names.
1105 (check_format_info_main): Special treating of \0 escaped names for
1106 supporting multi-character format specifiers as I32, I64.
1107 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
1108 (gnu_target_overrides_format_attributes): New.
1109 * c-format.h: Add structure target_ovr_attr to hold
1110 system specific formatter names.
1111 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
1112 msformat-c.o file to c_target_objs and cxx_target_objs.
1113 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1114 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
1115 (TARGET_N_FORMAT_TYPES): New.
1116 * config/i386/msformat-c.c: New.
1117 * config/i386/t-cygming: Add build rule for msformat-c.o.
1118 * doc/extend.texi: Add new format names gnu_* and ms_* and
1120 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1122 2008-03-20 Ira Rosen <irar@il.ibm.com>
1124 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
1125 optimizations turned on under -O3.
1126 (ftree-vectorize): Add that the flag is turned on with -O3.
1128 2008-03-20 Ben Elliston <bje@au.ibm.com>
1130 * regmove.c (try_auto_increment): Fix spelling error in comment.
1131 * final.c (final_scan_insn): Likewise.
1133 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
1136 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
1137 allocator preferences for "y" and "r" class registers.
1138 ("*mov<mode>_internal"): Ditto.
1139 ("*movv2sf_internal_rex64"): Ditto.
1140 ("*movv2sf_internal"): Ditto.
1142 2008-03-19 Michael Matz <matz@suse.de>
1145 * calls.c (expand_call): Check overlap of arguments with call
1146 address for sibcalls.
1148 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
1151 * stor-layout.c (update_alignment_for_field): Set minimum alignment
1152 of the underlying type of a MS bitfield layout to the natural
1153 alignment of the type.
1155 2008-03-19 Jan Hubicka <jh@suse.cz>
1158 * toplev.c (decode_d_option): Handle all CPP flags.
1159 * tree-vrp.c: Update tree_pass descriptors.
1160 * regrename.c: Update tree_pass descriptors.
1161 * fwprop.c: Update tree_pass descriptors.
1162 * doc/invoke.texi: Remove documentation of dropped -d? flags.
1163 * tree-into-ssa.c: Update tree_pass descriptors.
1164 * tree-dump.c: Update tree_pass descriptors.
1165 * tree-complex.c: Update tree_pass descriptors.
1166 * tree-dump.h: Update tree_pass descriptors.
1167 * see.c: Update tree_pass descriptors.
1168 * cgraphbuild.c: Update tree_pass descriptors.
1169 * tracer.c: Update tree_pass descriptors.
1170 * tree-loop-distribution.c: Update tree_pass descriptors.
1171 * cgraph.c: Update tree_pass descriptors.
1172 * postreload-gcse.c: Update tree_pass descriptors.
1173 * postreload.c: Update tree_pass descriptors.
1174 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1175 * tree-tailcall.c: Update tree_pass descriptors.
1176 * tree-pass.h (tree_opt_pass): Rename to ...
1177 (opt_pass) ... this one; add "type" field and remove letter field.
1178 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
1179 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
1180 all_lowering_passes): Update declaration.
1181 * ipa-cp.c: Update tree_pass descriptors.
1182 * final.c: Update tree_pass descriptors.
1183 * omp-low.c: Update tree_pass descriptors.
1184 * tree-ssa-dse.c: Update tree_pass descriptors.
1185 * ipa-reference.c: Update tree_pass descriptors.
1186 * tree-ssa-uncprop.c: Update tree_pass descriptors.
1187 * auto-inc-dec.c: Update tree_pass descriptors.
1188 * reorg.c: Update tree_pass descriptors.
1189 * cgraphunit.c: Update tree_pass descriptors.
1190 * tree-ssa-copyrename.c: Update tree_pass descriptors.
1191 * tree-ssa-ccp.c: Update tree_pass descriptors.
1192 * df-core.c: Update tree_pass descriptors.
1193 * mode-switching.c: Update tree_pass descriptors.
1194 * tree-nomudflap.c: Update tree_pass descriptors.
1195 * modulo-sched.c: Update tree_pass descriptors.
1196 * ipa-pure-const.c: Update tree_pass descriptors.
1197 * cse.c: Update tree_pass descriptors.
1198 * web.c: Update tree_pass descriptors.
1199 * tree-stdarg.c: Update tree_pass descriptors.
1200 * tree-ssa-math-opts.c: Update tree_pass descriptors.
1201 * tree-ssa-dom.c: Update tree_pass descriptors.
1202 * tree-nrv.c: Update tree_pass descriptors.
1203 * tree-ssa-alias.c: Update tree_pass descriptors.
1204 * loop-init.c: Update tree_pass descriptors.
1205 * gimple-low.c: Update tree_pass descriptors.
1206 * ipa-inline.c: Update tree_pass descriptors.
1207 * tree-ssa-sink.c: Update tree_pass descriptors.
1208 * global.c: Update tree_pass descriptors.
1209 * ifcvt.c: Update tree_pass descriptors.
1210 * jump.c: Update tree_pass descriptors.
1211 * predict.c: Update tree_pass descriptors.
1212 * tree-ssa-loop.c: Update tree_pass descriptors.
1213 * recog.c: Update tree_pass descriptors.
1214 * dse.c: Update tree_pass descriptors.
1215 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
1216 * tree-eh.c: Update tree_pass descriptors.
1217 * regmove.c: Update tree_pass descriptors.
1219 * function.c: Update tree_pass descriptors.
1220 * tree-vectorizer.c: Update tree_pass descriptors.
1221 * gcse.c: Update tree_pass descriptors.
1222 * ipa-type-escape.c: Update tree_pass descriptors.
1223 * tree-if-conv.c: Update tree_pass descriptors.
1224 * init-regs.c: Update tree_pass descriptors.
1225 * ipa.c: Update tree_pass descriptors.
1226 * tree-ssa-phiopt.c: Update tree_pass descriptors.
1227 * rtl-factoring.c: Update tree_pass descriptors.
1228 * lower-subreg.c: Update tree_pass descriptors.
1229 * bt-load.c: Update tree_pass descriptors.
1230 * tree-dfa.c: Update tree_pass descriptors.
1231 * except.c: Update tree_pass descriptors.
1232 * emit-rtl.c: Update tree_pass descriptors.
1233 * cfgexpand.c: Update tree_pass descriptors.
1234 * tree-cfgcleanup.c: Update tree_pass descriptors.
1235 * cfgcleanup.c: Update tree_pass descriptors.
1236 * tree-ssa-pre.c: Update tree_pass descriptors.
1237 * tree-sra.c: Update tree_pass descriptors.
1238 * tree-mudflap.c: Update tree_pass descriptors.
1239 * tree-ssa-copy.c: Update tree_pass descriptors.
1240 * cfglayout.c: Update tree_pass descriptors.
1241 * tree-ssa-forwprop.c: Update tree_pass descriptors.
1242 * tree-ssa-dce.c: Update tree_pass descriptors.
1243 * tree-ssa.c: Update tree_pass descriptors.
1244 * regclass.c: Update tree_pass descriptors.
1245 * integrate.c: Update tree_pass descriptors.
1246 * tree-optimize.c: Update tree_pass descriptors.
1247 * tree-ssa-phiprop.c: Update tree_pass descriptors.
1248 * tree-object-size.c: Update tree_pass descriptors.
1249 * combine.c: Update tree_pass descriptors.
1250 * tree-outof-ssa.c: Update tree_pass descriptors.
1251 * bb-reorder.c: Update tree_pass descriptors.
1252 * stack-ptr-mod.c: Update tree_pass descriptors.
1253 * var-tracking.c: Update tree_pass descriptors.
1254 * tree-profile.c: Update tree_pass descriptors.
1255 * tree-vect-generic.c: Update tree_pass descriptors.
1256 * reg-stack.c: Update tree_pass descriptors.
1257 * sched-rgn.c: Update tree_pass descriptors.
1258 * tree-ssa-structalias.c: Update tree_pass descriptors.
1259 * tree-cfg.c: Update tree_pass descriptors.
1260 * passes.c (current_pass): Update declaration.
1261 (finish_optimization_passes): Update.
1262 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
1263 (register_one_dump_file, register_dump_files_1, next_pass_1):
1265 (init_optimization_passes): Update handling of new types.
1266 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
1267 * ipa-struct-reorg.c: Update tree_pass descriptors.
1268 * tree-ssa-reassoc.c: Update tree_pass descriptors.
1269 * combine-stack-adj.c: Update tree_pass descriptors.
1270 * cfgrtl.c: Update tree_pass descriptors.
1271 * dce.c: Update tree_pass descriptors.
1272 * tree-ssanames.c: Update tree_pass descriptors.
1274 2008-03-19 Richard Guenther <rguenther@suse.de>
1277 * tree-ssa.c (walk_data): New structure.
1278 (warn_uninitialized_var): If not always_executed warn with "maybe"
1280 (execute_early_warn_uninitialized): Compute post-dominators.
1281 Initialize always_executed before processing each basic block.
1283 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
1286 * config/i386/i386.c (x86_this_parameter): Calculate correct location
1287 of "this" pointer when "regparm = N" or "fastcall" is in effect.
1289 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1291 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1293 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
1295 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1297 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1298 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1299 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
1300 target after ignore has been set, and move there also the commputation
1301 of subtarget and original_target.
1302 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1303 (LANG_HOOKS_INITIALIZER): Remove it.
1304 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1306 2008-03-18 Richard Guenther <rguenther@suse.de>
1308 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1309 found an expression with constants, note that in the VN for the lhs.
1310 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1311 fold them to constants if possible. Run cleanup_cfg if done so.
1312 (execute_pre): Return todo.
1314 (execute_fre): Likewise.
1315 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1317 (get_prop_source_stmt): Look through pointer conversions.
1319 2008-03-18 Jan Hubicka <jh@suse.cz>
1321 * tree-pretty-print.c: Include predict.h.
1322 (dump_generic_node): Dump predictor.
1323 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1324 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1325 * gimple-low.c (lower_stmt): Likewise.
1326 * expr.c (expand_expr_real): Likewise.
1327 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1329 (build_predict_expr, build_predict_expr): New.
1330 * predict.h (predictor_name, build_predict_expr): Update.
1331 * c-typeck.c (c_finish_bc_stmt): Add prediction.
1332 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1333 * predict.def (PRED_CONTINUE): Update hitrate.
1334 * tree.def (PREDICT_EXPR): Define.
1335 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1336 do not handle BIND_EXPR.
1337 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1338 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1339 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1342 2008-03-18 Michael Matz <matz@suse.de>
1344 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1346 2008-03-18 Richard Guenther <rguenther@suse.de>
1348 * tree-gimple.h (is_gimple_invariant_address): Declare.
1349 (is_gimple_constant): Likewise.
1350 * tree-gimple.c (is_gimple_constant): New function.
1351 (is_gimple_invariant_address): Likewise.
1352 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1353 and is_gimple_invariant_address.
1354 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1356 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1357 an addressable base.
1359 2008-03-18 Jakub Jelinek <jakub@redhat.com>
1362 * gimplify.c (gimplify_expr): Gimplify second operand of
1365 2008-03-17 Richard Guenther <rguenther@suse.de>
1367 PR tree-optimization/19637
1368 * fold-const.c (fold_unary): Remove restrictions of removing
1369 intermediate pointer-conversions (P2)(P1)P0.
1370 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1371 conversion to void pointer.
1372 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1374 2008-03-16 James E. Wilson <wilson@tuliptree.org>
1377 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1378 emulated thread local variables.
1380 2008-03-16 Richard Guenther <rguenther@suse.de>
1383 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1384 expand TREE_INVARIANT operations that are not gimple invariant.
1386 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
1388 * doc/extend.texi (Alignment): Say that the ABI controls
1389 the __alignof__ for non-strict-alignment targets rather
1390 than being a recommendation.
1392 2008-03-15 Paul Brook <paul@codesourcery.com>
1394 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1396 (arm_output_fn_unwind): Mark functions that can not be unwound.
1398 2008-03-15 Paul Brook <paul@codesourcery.com>
1400 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1401 extension instructions.
1403 2008-03-15 Richard Guenther <rguenther@suse.de>
1405 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1406 and fold constant aggregate refs.
1407 (fold_const_aggregate_ref): Handle string constants
1408 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
1409 (evaluate_stmt): Simplify now that ccp_fold folds constant
1412 2008-03-15 Paul Brook <paul@codesourcery.com>
1414 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1415 (extzv): Use gen_extzv_t2.
1416 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1418 2008-03-15 Richard Guenther <rguenther@suse.de>
1420 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1421 (fold_const_aggregate_ref): Likewise.
1422 (get_value): Return NULL if we don't have any values.
1423 (ccp_finalize): Set const_val to NULL after freeing it.
1424 * tree-flow.h (get_symbol_constant_value): Declare.
1425 (fold_const_aggregate_ref): Likewise.
1426 * tree-ssa-sccvn.c (try_to_simplify): Use them.
1428 2008-03-15 Richard Guenther <rguenther@suse.de>
1431 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1432 to not produce negative array indices if not allowed. Add
1433 parameter to indicate that.
1434 (maybe_fold_offset_to_component_ref): Allow negative array
1435 indices only for the first member of a structure.
1436 (maybe_fold_offset_to_reference): Allow negative array indices.
1437 (maybe_fold_stmt_addition): Likewise.
1439 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
1440 Anatoly Sokolov <aesok@post.ru>
1442 * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1443 (avr_arch): Add ARCH_AVR6.
1444 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1445 (initial_elimination_offset): Initialize and use 'avr_pc_size'
1446 instead of fixed value 2.
1447 (print_operand_address): Use gs() asm specifier instead of pm().
1448 (avr_assemble_integer): (Ditto.).
1449 (avr_output_addr_vec_elt): (Ditto.).
1450 (print_operand): Handle "!" code.
1451 * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
1452 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1453 (AVR_HAVE_EIJMP_EICALL): Define.
1454 (AVR_3_BYTE_PC): Redefine.
1455 (AVR_2_BYTE_PC): (Ditto.).
1456 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1457 (LINK_SPEC): Add atmega2560 and atmega2561.
1458 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
1460 * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
1461 for 3 byte PC devices.
1462 (call_value_insn): (Ditto.).
1463 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1464 (indirect_jump): Use only for for 2 byte PC devices.
1465 (*tablejump): (Ditto.).
1466 (*indirect_jump_avr6): Add insn.
1467 (*tablejump_rjmp): Don't use for 3 byte PC devices.
1468 * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
1469 instead of ijmp for 3 byte PC devices.
1470 (__tablejump2__): (Ditto.).
1471 * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1472 (MULITLIB_DIRNAMES): (Ditto.).
1473 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1475 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
1477 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1478 "sse2_umulsidi3". Use V1DI mode for operand 0.
1479 ("mmx_psadbw"): Use V1DI mode for operand 0.
1480 * config/i386/i386-modes.def (V1SI): New vector mode.
1481 * config/i386/i386.c (struct builtin_description)
1482 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1483 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1484 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1485 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1486 v1di_ftype_v8qi_v8qi type.
1487 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1489 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1490 __builtin_ia32_pmuludq]: Fix the mode of return value.
1492 2008-03-15 Richard Guenther <rguenther@suse.de>
1495 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1498 2008-03-14 Bob Wilson <bob.wilson@acm.org>
1500 * doc/invoke.texi (Option Summary, Xtensa Options): Document
1501 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1502 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1503 unless TARGET_SERIALIZE_VOLATILE is enabled.
1504 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1505 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1506 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1508 2008-03-14 Richard Guenther <rguenther@suse.de>
1510 PR tree-optimization/34172
1511 * tree-flow.h (refs_may_alias_p): Declare.
1512 (get_single_def_stmt): Likewise.
1513 (get_single_def_stmt_from_phi): Likewise.
1514 (get_single_def_stmt_with_phi): Likewise.
1515 * tree-dfa.c (refs_may_alias_p): New function.
1516 (get_single_def_stmt): Likewise.
1517 (get_single_def_stmt_from_phi): Likewise.
1518 (get_single_def_stmt_with_phi): Likewise.
1519 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1520 (vn_reference_lookup_1): New helper function.
1521 (vn_reference_lookup): Walk the virtual use-def chain to
1522 continue searching for a match if the def does not alias the
1523 reference we are looking for.
1525 2008-03-14 David Edelsohn <edelsohn@gnu.org>
1527 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
1528 archive and Perzl. Update The Written Word listing.
1530 2008-03-14 Richard Guenther <rguenther@suse.de>
1532 PR tree-optimization/34043
1533 PR tree-optimization/33989
1534 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1536 (bitmap_find_leader): Use extra argument to verify dominance
1537 relationship inside a basic-block.
1538 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1539 (find_leader_in_sets): Adjust.
1540 (create_component_ref_by_pieces): Take extra argument for
1541 dominance check, handle lookup failures.
1542 (find_or_generate_expression): Likewise.
1543 (create_expression_by_pieces): Likewise.
1544 (insert_into_preds_of_block): Adjust.
1545 (create_value_expr_from): If asked for, verify all operands
1546 are in the blocks AVAIL_OUT set.
1547 (make_values_for_stmt): Check for SSA_NAMEs that are life
1548 over an abnormal edge.
1549 (compute_avail): Remove such check.
1550 (do_SCCVN_insertion): New function.
1551 (eliminate): If we do not find a leader suitable for replacement
1552 insert a replacement expression from SCCVN if available.
1553 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1554 (struct vn_ssa_aux): Add needs_insertion flag.
1555 * tree-ssa-sccvn.c (may_insert): New global flag.
1556 (copy_reference_ops_from_ref): Value-number union member access
1557 based on its size, not type and member if insertion is allowed.
1558 (visit_reference_op_load): For a weak match from union type
1559 punning lookup a view-converted value and insert a SSA_NAME
1560 for that value if that is not found.
1561 (visit_use): Make dumps shorter. Do not disallow value numbering
1562 SSA_NAMEs that are life over an abnormal edge to constants.
1563 (free_scc_vn): Release inserted SSA_NAMEs.
1564 (run_scc_vn): New flag to specify whether insertion is allowed.
1565 Process SSA_NAMEs in forward order.
1566 * tree-ssa-loop-im.c (for_each_index): Handle invariant
1567 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
1568 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
1569 pointer type to/from integral types that do not change the
1570 precision to regular conversions.
1572 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
1574 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1575 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1576 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
1577 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
1578 input arguments and the mode of return value. Built-in functions
1579 that operate on whole 64-bit MMX register now use V1DI mode.
1581 2008-03-13 Alon Dayan <alond@il.ibm.com>
1582 Olga Golovanevsky <olga@il.ibm.com>
1584 PR tree-optimization/35041
1585 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
1586 to locate the right position in a statement.
1588 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
1592 * config/i386/xmmintrin.h: Change all static inline functions to
1593 extern inline and add __gnu_inline__ attribute.
1594 * config/i386/bmintrin.h: Ditto.
1595 * config/i386/smmintrin.h: Ditto.
1596 * config/i386/tmmintrin.h: Ditto.
1597 * config/i386/mmintrin-common.h: Ditto.
1598 * config/i386/ammintrin.h: Ditto.
1599 * config/i386/emmintrin.h: Ditto.
1600 * config/i386/pmmintrin.h: Ditto.
1601 * config/i386/mmintrin.h: Ditto.
1602 * config/i386/mm3dnow.h: Ditto.
1604 2008-03-13 Jakub Jelinek <jakub@redhat.com>
1607 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
1608 (lower_omp_2): New function.
1609 (lower_omp_1, lower_omp): Rewritten.
1611 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
1614 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
1615 with the phrase "Microsoft Windows compilers".
1616 (Push/Pop Macro Pragmas): New subsection. Document
1617 #pragma push_macro and pragma pop_macro.
1619 2008-03-12 Paul Brook <paul@codesourcery.com>
1621 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
1623 2008-03-12 Paul Brook <paul@codesourcery.com>
1625 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
1626 (thumb2_alusi3_short): Exclude PLUS and MINUS.
1627 (thumb2_addsi_shortim): Rename ...
1628 (thumb2_addsi_short): ... to this. Allow register operands.
1629 (thumb2_subsi_short): New pattern.
1630 (thumb2_one_cmplsi2_short,
1631 thumb2_negsi2_short): New patterns and peepholes.
1633 2008-03-12 Paul Brook <paul@codesourcery.com>
1635 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
1637 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
1639 * config/i386/i386.md (int_cond): New code iterator.
1641 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
1642 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
1643 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
1644 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
1645 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1646 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1647 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1648 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1650 2008-03-12 Paul Brook <paul@codesourcery.com>
1652 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1653 instead of {arm,thumb}_compute_save_reg_mask.
1654 (output_return_instruction): Ditto.
1655 (thumb_unexpanded_epilogue): Ditto.
1656 (thumb1_expand_prologue): Ditto.
1657 (thumb1_output_function_prologue): Ditto.
1658 (arm_set_return_address): Ditto.
1659 (thumb_set_return_address): Ditto.
1660 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
1661 regs to achieve stack alignment.
1662 (thumb1_compute_save_reg_mask): Fix compiler warning.
1663 (arm_output_epilogue): Use offsets->saved_regs_mask.
1664 Adjust stack pointer by poping call clobered registers.
1665 (arm_expand_prologue): Use offsets->saved_regs_mask.
1666 Adjust stack pointer by pushing extra registers.
1667 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1669 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
1672 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1673 conversion to the operands of a multiplication.
1675 2008-03-12 Richard Guenther <rguenther@suse.de>
1677 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1678 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1679 * timevar.def (TV_TREE_PHIPROP): Add.
1680 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1681 pass description. Use TV_TREE_PHIPROP.
1682 * tree-ssa-forwprop.c: Remove phiprop code.
1684 2008-03-12 Jakub Jelinek <jakub@redhat.com>
1687 * omp-low.c (maybe_lookup_decl): Constify first argument.
1688 (use_pointer_for_field): Change last argument from bool to
1689 omp_context *. Disallow shared copy-in/out in nested
1690 parallel if decl is shared in outer parallel too.
1691 (build_outer_var_ref, scan_sharing_clauses,
1692 lower_rec_input_clauses, lower_copyprivate_clauses,
1693 lower_send_clauses, lower_send_shared_vars): Adjust callers.
1695 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
1696 Ira Rosen <irar@il.ibm.com>
1698 * tree-vectorizer.c (free_stmt_vec_info): New function.
1699 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1700 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1701 * tree-vectorizer.h (free_stmt_vec_info): Declare.
1702 * tree-vect-transform.c (vectorizable_conversion): Free
1703 vec_oprnds0 if it was allocated.
1704 (vect_permute_store_chain): Remove unused VECs.
1705 (vectorizable_store): Free VECs that are allocated in the..
1707 (vect_transform_strided_load, vectorizable_load): Likewise.
1708 (vect_remove_stores): Simplify the code.
1709 (vect_transform_loop): Move code to vect_remove_stores().
1710 Call vect_remove_stores() and free_stmt_vec_info().
1712 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1714 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1715 TARGET_HPUX. Revise comment.
1716 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1717 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1718 Use sr4 variant of `be' instruction when not generating PIC code.
1719 (attr_length_call): Adjust for above change.
1721 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1723 * ipa-reference.c (static_execute): Remove module_statics_const and
1724 associated setting code.
1726 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
1729 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1730 predicate for operand 1.
1731 (paritysi2_cmp): Use register_operand predicate for operand 2.
1732 Use earlyclobber modifier for operand 1. Remove support for
1734 (paritydi2_cmp): Use register_operand predicate for operand 3.
1735 Use earlyclobber modifier for operand 1. Remove support for
1738 2008-03-11 Paul Brook <paul@codesourcery.com>
1739 Vladimir Prus <vladimir@codesourcery.com>
1741 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1742 (arm_compute_save_reg0_reg12_mask): Always
1743 check if register 11 must be saved. Always safe hard frame pointer
1744 when frame_pointer_needeed.
1745 (arm_compute_save_reg_mask): Save IP and PC
1746 only with apcs frames.
1747 (arm_output_epilogue): Adjust Thumb2 codepath to
1748 be also invoked and work for ARM non-apcs frames.
1749 (arm_expand_prologue): Don't bother saving IP
1750 for non-apcs frame, since it's not clobbered by
1751 prologue code. Implement non-apcs frame
1754 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
1756 PR rtl-optimization/35281
1757 * expr.c (convert_move): Use a new pseudo for the intermediate
1758 from_mode->word_mode result.
1760 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
1762 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
1763 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
1764 * toplev.c (compile_file): Don't call it.
1766 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
1769 * expr.c (store_expr): Call emit_block_move if the mode
1770 of "temp" RTX is BLKmode.
1772 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1773 Richard Guenther <rguenther@suse.de>
1775 PR tree-optimization/31358
1776 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1777 the step with a NULL_TREE.
1778 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1779 to sizetype if type is a pointer type.
1780 (add_candidate_1): Don't convert the base and step to
1781 the generic type if the orginal type is a pointer type.
1782 (add_iv_value_candidates): Use sizetype for the step
1783 if type is a pointer type.
1784 (cand_value_at): Likewise.
1785 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1787 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
1788 Don't convert the tem affine to the type.
1789 (add_elt_to_tree): Use sizetype for the step if a pointer.
1790 Use POINTER_PLUS_EXPR for pointers.
1791 (aff_combination_to_tree): Use sizetype for the step if a
1794 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
1796 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
1797 Remove commutativity hint.
1799 2008-03-10 Jakub Jelinek <jakub@redhat.com>
1803 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
1804 errorneous type. Check that v is a VAR_DECL.
1807 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
1809 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
1811 PR tree-optimization/35494
1812 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
1813 may be overriden at link and run time.
1815 2008-03-10 Richard Guenther <rguenther@suse.de>
1817 PR tree-optimization/34677
1818 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
1819 (poolify_tree): Likewise.
1820 (modify_expr_template): Likewise.
1821 (poolify_modify_stmt): Likewise.
1822 (insert_fake_stores): Handle all component-ref style stores
1823 in addition to INDIRECT_REF. Also handle complex types.
1824 Do not poolify the inserted load.
1825 (realify_fake_stores): Do not rebuild the tree but only
1826 make it a SSA_NAME copy.
1827 (init_pre): Remove initialzation of modify_expr_template.
1828 Do not allocate modify_expr_node_pool.
1829 (fini_pre): Do not free modify_expr_node_pool.
1831 2008-03-10 Paul Brook <paul@codesourcery.com>
1833 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
1836 2008-03-10 Paul Brook <paul@codesourcery.com>
1837 Mark Shinwell <shinwell@codesourcery.com>
1839 * config/arm/cortex-r4.md: New.
1840 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
1842 * config/arm/arm.md: Include cortex-r4.md.
1843 (insn): Add smmls, sdiv and udiv values.
1844 (generic_sched): Don't use generic scheduling for Cortex-R4.
1845 (arm_issue_rate): New function.
1846 (TARGET_SCHED_ISSUE_RATE): Define.
1848 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
1850 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
1852 2008-03-10 Richard Guenther <rguenther@suse.de>
1854 * tree-ssa-pre.c (get_sccvn_value): Simplify.
1855 (compute_avail): Do not add stmt uses to AVAIL_OUT.
1857 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
1859 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1860 Set default to true.
1862 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1864 * c.opt (Wsynth): Deprecate.
1865 * doc/invoke.texi (Option Summary, Warning Options): Document
1866 -Wno-format-contains-nul.
1868 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
1871 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
1872 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
1874 2008-03-09 Ira Rosen <irar@il.ibm.com>
1876 * config/rs6000/rs6000.c (builtin_description): Rename vector
1877 left shift operations.
1878 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
1879 (altivec_vsl<VI_char>): Rename to ...
1880 (ashl<mode>3): ... new name.
1881 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
1883 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
1885 2008-03-08 Richard Guenther <rguenther@suse.de>
1887 * coverage.h (tree_coverage_counter_addr): Declare.
1888 * coverage.c (tree_coverage_counter_addr): New function.
1889 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
1891 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
1892 (tree_gen_one_value_profiler): Likewise.
1893 (tree_gen_ic_profiler): Likewise.
1894 (tree_gen_average_profiler): Likewise.
1895 (tree_gen_ior_profiler): Likewise.
1897 2008-03-08 Richard Guenther <rguenther@suse.de>
1899 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
1900 (vn_binary_op_insert): Likewise.
1901 (vn_unary_op_lookup): Likewise.
1902 (vn_unary_op_insert): Likewise.
1903 (vn_nary_op_lookup): Declare.
1904 (vn_nary_op_insert): Likewise.
1905 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
1906 and binary hashes, use a single obstack for unary_op_pool
1908 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
1909 a single struct vn_nary_op_s. Store tree code length and
1910 a variable number of operands.
1911 (struct vn_reference_op_struct): Remove unused op2.
1912 (vn_reference_op_eq): Do not compare op2.
1913 (vn_reference_op_compute_hash): Do not compute hash of op2.
1914 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
1915 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
1916 with vn_nary_op_compute_hash.
1917 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
1918 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
1920 (vn_unary_op_insert, vn_binary_op_insert): Replace with
1922 (visit_unary_op): Call nary functions.
1923 (visit_binary_op): Likewise.
1924 (process_scc): Adjust for struct vn_tables_s changes.
1925 (allocate_vn_table): Likewise.
1926 (free_vn_table): Likewise.
1927 * tree-vn.c (vn_add): Call nary functions.
1928 (vn_lookup): Likewise.
1930 2008-03-08 Jakub Jelinek <jakub@redhat.com>
1933 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
1934 wdst back after sync_compare_and_swapqhi_internal.
1936 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
1939 * config/i386/i386-modes.def (V1DI): New vector mode.
1940 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
1941 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
1942 (MMXMODE248): Ditto.
1943 (MMXMODE): Add V1DI mode.
1944 (mmxvecsize): Change DI mode to V1DI mode.
1945 ("mov<mode>): Use MMXMODEI8 mode iterator.
1946 ("*mov<mode>_internal_rex64"): Ditto.
1947 ("*mov<mode>_internal"): Ditto.
1948 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
1949 ("mmx_sub<mode>3"): Ditto.
1950 ("mmx_adddi3"): Remove insn pattern.
1951 ("mmx_subdi3"): Ditto.
1952 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
1953 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
1954 ("mmx_ashl<mode>3"): Ditto.
1955 ("mmx_lshrdi3"): Remove insn pattern.
1956 ("mmx_ashldi3"): Ditto.
1957 * config/i386/i386.c (classify_argument): Handle V1DImode.
1958 (function_arg_advance_32): Ditto.
1959 (function_arg_32): Ditto.
1960 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
1961 mmx_addv1di3 insn pattern.
1962 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
1963 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
1964 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
1965 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
1966 Remove definitions of built-in functions.
1967 (V1DI_type_node): New node.
1968 (v1di_ftype_v1di_int): Ditto.
1969 (v1di_ftype_v1di_v1di): Ditto.
1970 (v2si_ftype_v2si_si): Ditto.
1971 (v4hi_ftype_v4hi_di): Remove node.
1972 (v2si_ftype_v2si_di): Ditto.
1973 (ix86_init_mmx_sse_builtins): Handle V1DImode.
1974 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
1975 Redefine builtins using def_builtin_const with *_ftype_*_int node.
1976 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
1977 Add new builtins using def_builtin_const.
1978 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
1979 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
1980 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
1981 * config/i386/mmintrin.h (__v1di): New typedef.
1982 (_mm_add_si64): Cast arguments to __v1di type.
1983 (_mm_sub_si64): Ditto.
1984 (_mm_sll_pi16): Cast __count to __v4hi type.
1985 (_mm_sll_pi32): Cast __count to __v2si type.
1986 (_mm_sll_si64): Cast arguments to __v1di type.
1987 (_mm_srl_pi16): Cast __count to __v4hi type.
1988 (_mm_srl_pi32): Cast __count to __v2si type.
1989 (_mm_srl_si64): Cast arguments to __v1di type.
1990 (_mm_sra_pi16): Cast __count to __v4hi type.
1991 (_mm_sra_pi32): Cast __count to __v2si type.
1992 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
1993 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
1994 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
1995 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
1996 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
1997 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
1998 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
1999 (_mm_srai_pi32): Use __builtin_ia32_psradi.
2000 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
2001 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2002 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2003 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
2005 2008-03-07 Joseph Myers <joseph@codesourcery.com>
2007 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
2009 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
2012 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
2013 reg+const addressing for Altivec modes. Don't generate reg+reg
2014 addressing for TFmode or TDmode quantities.
2016 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
2018 * c-common.c (vector_types_convertible_p): Call langhook
2019 instead of comptypes.
2021 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2024 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
2025 integral and scalar float variables which have a
2028 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
2030 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
2031 dwarf_register_span hook when emitting unwind information for
2032 register-to-memory saves.
2033 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
2034 (rs6000_frame_related): Remove call to spe_synthesize_frame.
2036 2008-03-06 Jakub Jelinek <jakub@redhat.com>
2038 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
2039 for the same VAR_DECL.
2041 2008-03-06 Tom Tromey <tromey@redhat.com>
2044 * doc/standards.texi (Standards): Don't mention treelang.
2045 * doc/invoke.texi (Overall Options): Don't mention treelang.
2046 * doc/install.texi (Prerequisites): Don't mention bison or
2048 (Configuration): Don't mention treelang.
2049 (Building): Likewise.
2050 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
2052 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
2054 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
2055 word-extractions out of a multi-word object.
2057 2008-03-06 Richard Guenther <rguenther@suse.de>
2059 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
2060 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
2061 result type and precision.
2062 * expr.c (get_inner_reference): Set unsignedp based on the result
2063 type of BIT_FIELD_REF.
2064 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
2065 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
2066 (try_instantiate_multiple_fields): Likewise. Use the correct type
2068 (sra_build_assignment): Likewise.
2069 (sra_build_elt_assignment): Likewise.
2070 (sra_explode_bitfield_assignment): Likewise.
2071 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
2072 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
2073 set BIT_FIELD_REF_UNSIGNED.
2074 (vectorizable_load): Likewise.
2076 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
2078 * cse.c (cse_extended_basic_block): Invalidate artificial defs
2081 2008-03-06 Richard Guenther <rguenther@suse.de>
2083 * alias.c (struct alias_set_entry): Move has_zero_child field
2084 to pack with alias_set.
2086 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
2088 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2091 2008-03-05 Ian Lance Taylor <iant@google.com>
2093 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
2095 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
2097 * fwprop.c (update_df): Support width and offset parameters of
2099 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
2100 global_conflicts): Change DF_REF_EXTRACT to either
2101 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
2102 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2103 * df-scan.c (df_ref_record, df_defs_record,
2104 df_ref_create_structure, df_def_record_1, df_uses_record,
2105 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
2106 df_bb_refs_collect, df_entry_block_defs_collect,
2107 df_exit_block_uses_collect): Support new width and offset fields.
2108 (ref_extract_pool): New storage pool.
2109 (df_free_ref): New function.
2110 (df_reg_chain_unlink, df_free_collection_rec,
2111 df_sort_and_compress_refs): Call df_free_ref.
2112 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
2114 (df_ref_create_structure): Allocate df_ref_extract if offset and
2115 width fields are used.
2116 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
2117 (df_uses_record): Get offset and width from ZERO_EXTRACT
2119 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
2120 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
2121 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2122 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
2123 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
2124 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2125 (df_ref_extract): New structure.
2126 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
2127 (df_ref_create): Add width and offset parameters.
2129 2008-03-05 Richard Guenther <rguenther@suse.de>
2131 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2132 Use ranges_overlap_p.
2133 (offset_overlaps_with_access): Rename
2134 to ranges_overlap_p and move ...
2135 * tree-flow-inline.h (ranges_overlap_p): ... here.
2137 * tree.h (get_inner_reference, handled_component_p): Update
2140 * tree.h (record_component_aliases, get_alias_set,
2141 alias_sets_conflict_p, alias_sets_must_conflict_p,
2142 objects_must_conflict_p): Move declarations ...
2143 * alias.h (record_component_aliases, get_alias_set,
2144 alias_sets_conflict_p, alias_sets_must_conflict_p,
2145 objects_must_conflict_p): ... here.
2146 Include coretypes.h.
2147 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
2149 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
2151 * cfg.c: Include tree-flow.h.
2152 (remove_edge_raw): Call redirect_edge_var_map_clear.
2153 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
2154 * tree-flow-inline.h (redirect_edge_var_map_def): New.
2155 (redirect_edge_var_map_result): New.
2156 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
2157 PENDING_STMT use with redirect_edge_var_map_*.
2158 * tree-ssa.c (edge_var_maps): New definition.
2159 (redirect_edge_var_map_add): New.
2160 (redirect_edge_var_map_clear): New.
2161 (redirect_edge_var_map_dup): New.
2162 (redirect_edge_var_map_vector): New.
2163 (redirect_edge_var_map_destroy): New.
2164 (ssa_redirect_edge): Replace PENDING_STMT use with
2165 redirect_edge_var_map_*.
2166 (flush_pending_stmts): Same.
2167 (delete_tree_ssa): Destroy edge var map.
2168 * tree-flow.h (struct _edge_var_map): New.
2169 Define edge_var_map vector type.
2170 Declare redirect_edge_var_map_* prototypes.
2171 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2172 * tree-cfg.c (reinstall_phi_args): Replace
2173 PENDING_STMT use with redirect_edge_var_map_*.
2175 2008-03-05 Richard Guenther <rguenther@suse.de>
2177 PR tree-optimization/35472
2178 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
2179 whose single use_stmt has a overlapping set of loaded and
2180 stored symbols as that use_stmt might be a noop assignment then.
2182 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2184 * gthr-rtems.h: Implement __gthread_mutex_destroy.
2186 2008-03-05 Richard Guenther <rguenther@suse.de>
2189 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
2190 should be constants.
2191 * tree-cfg.c (verify_expr): Verify it.
2192 * fold-const.c (fold_truthop): Remove code generating
2193 BIT_FIELD_REFs of structure bases.
2194 (fold_binary): Likewise.
2195 (fold_ternary): Position and size of BIT_FIELD_REFs are
2196 always host integers.
2197 (make_bit_field_ref): Remove.
2198 (optimize_bit_field_compare): Remove.
2199 (all_ones_mask_p): Remove.
2201 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
2204 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
2205 (split_block_and_df_analyze): New. Split basic block and rebuild
2207 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
2209 (split_pattern_seq): Likewise.
2210 (erase_matching_seqs): Likewise.
2211 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
2213 2008-03-04 Geoff Keating <geoffk@apple.com>
2215 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
2216 declaration and code.
2217 (tree_invalid_nonnegative_warnv_p): Likewise.
2219 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2221 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
2222 examples. Truncate option-names then causing overfull hbox.
2224 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2227 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2229 * configure: Rebuilt.
2231 2008-03-04 Rafael Espindola <espindola@google.com>
2233 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2234 (tree_unary_nonnegative_warnv_p): New.
2235 (tree_binary_nonnegative_warnv_p): New.
2236 (tree_single_nonnegative_warnv_p): New.
2237 (tree_invalid_nonnegative_warnv_p): New.
2238 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2240 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2243 * opts.c (handle_option): Postpone 'unknown option' errors only for
2246 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
2249 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2252 2008-03-04 Rafael Espindola <espindola@google.com>
2254 * fold-const.c (tree_unary_nonzero_warnv_p): New.
2255 (tree_binary_nonzero_warnv_p): New.
2256 (tree_single_nonzero_warnv_p): New.
2257 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
2259 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
2262 * fold-const.c (fold_cond_expr_with_comparison): Prevent
2263 transformations for modes that have signed zeros.
2264 * ifcvt.c (noce_try_abs): Ditto.
2266 2008-03-04 Joseph Myers <joseph@codesourcery.com>
2268 * config/i386/i386.c (override_options): Force
2269 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
2271 2008-03-04 Jan Hubicka <jh@suse.cz>
2274 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2277 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
2279 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
2280 label to probe the stack.
2282 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
2284 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2285 (__gthr_win32_mutex_destroy): Declare.
2286 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2287 __gthr_win32_mutex_destroy.
2288 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
2290 2008-03-03 Jan Hubicka <jh@suse.cz>
2293 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2294 aggressive on inlining cold calls.
2296 2008-03-03 Richard Guenther <rguenther@suse.de>
2298 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2299 struct copies into the expression table.
2300 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2301 (try_to_simplify): Likewise.
2302 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2303 integral and pointer arguments which do not change the
2304 precision to NOP_EXPRs.
2305 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2306 VIEW_CONVERT_EXPR case.
2308 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
2310 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2311 defined in a loop at depth 0 is invariant.
2312 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2313 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2314 be called at loop depth 0.
2316 2008-03-02 Jakub Jelinek <jakub@redhat.com>
2319 * gcc.c (process_command): Update copyright notice dates.
2320 * gcov.c (print_version): Likewise.
2321 * gcov-dump.c (print_version): Likewise.
2322 * mips-tfile.c (main): Likewise.
2323 * mips-tdump.c (main): Likewise.
2325 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2328 * c-common.c (flag_permissive): Delete.
2329 (constant_expression_warnings): Check flags first.
2330 (constant_expression_error): New.
2331 * c-common.h (flag_permissive): Delete.
2332 (constant_expression_error): Declare.
2333 * flags.h (flag_permissive): Declare. Update description.
2334 * diagnostic.c (pedwarn): Update.
2336 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2337 (permissive_error_kind): New.
2338 * toplev.c (flag_permissive): Define. Update description.
2339 * toplev.h (permissive_error_kind): Declare.
2340 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2341 (pedwarn_c90): Use pedantic_warning_kind.
2342 * c-opts.c (c_common_post_options): flag_permissive does not affect
2343 flag_pedantic_errors.
2345 2008-03-02 Joseph Myers <joseph@codesourcery.com>
2347 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2348 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2349 __absvsi2, __absvDI2): Use unsigned arithmetic.
2351 2008-03-02 Andi Kleen <ak@suse.de>
2352 Richard Guenther <rguenther@suse.de>
2354 * struct-equiv.c: Remove file.
2355 * cfg_cleanup.c (condjump_equiv_p): Remove.
2356 * Makefile.in (OBJS-common): Remove struct-equiv.o.
2357 (struct-equiv.o): Remove rule.
2358 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2359 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
2360 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2362 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
2364 * ifcvt.c (noce_process_if_block): Try to handle only the then
2365 block if the else block exists but isn't suitable.
2367 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
2370 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2371 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2372 regression from previous patch.
2374 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
2377 * gthr.h: Add __gthread_mutex_destroy as a function that must be
2379 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2380 * gthr-single.h (__gthread_mutex_destroy): Likewise.
2381 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2382 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2383 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2384 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2385 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2386 (__gthread_mutex_destroy_function): Rename to
2387 __gthread_mutex_destroy.
2388 * gthr-dce.h (__gthread_mutex_destroy): Call
2389 pthread_mutex_destroy.
2390 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2391 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2392 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2394 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
2396 * df-scan.c (df_ref_chain_change_bb): Simplify.
2397 (df_insn_change_bb): Add new_bb argument. Simplify. Call
2398 set_block_for_insn if there's any change.
2399 * df.h ((df_insn_change_bb): Fix prototype.
2400 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2401 df_insn_change_bb, don't call set_block_for_insn.
2402 * emit-rtl.c (reorder_insns): Likewise.
2403 * haifa-sched.c (move_insn): Likewise.
2405 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
2407 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2409 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
2411 * tree-flow-inline.h (next_readonly_imm_use): Return
2412 NULL_USE_OPERAND_P after the end.
2414 2008-03-01 Richard Guenther <rguenther@suse.de>
2416 PR tree-optimization/35411
2417 * tree-sra.c (sra_build_assignment): Split conversion to
2418 final type to a separate statement if we are not assigning
2421 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2423 * fold-const.c (fold_convertible_p): Correct the logic to follow
2424 that in fold_convert().
2426 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
2429 * tree-inline.c (build_duplicate_type): When we make a
2430 duplicate type, make it unique in the canonical types system.
2432 2008-02-29 Tom Tromey <tromey@redhat.com>
2434 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2435 input_file_stack_history, input_file_stack_restored): Remove.
2436 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2437 * input.h (struct file_stack): Remove.
2438 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2439 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2441 * diagnostic.h (struct diagnostic_context) <last_module>: Change
2443 (diagnostic_last_module_changed): Add 'map' argument.
2444 (diagnostic_set_last_function): Likewise.
2445 * diagnostic.c (undiagnostic_report_current_module): Iterate using
2446 line map, not input_file_stack.
2447 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2449 2008-02-29 Paul Brook <paul@codesourcery.com>
2451 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2453 2008-02-29 Paul Brook <paul@codesourcery.com>
2455 * config/arm/ieee754-df.S (muldf3): Use RET macros.
2457 2008-02-29 Richard Guenther <rguenther@suse.de>
2459 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2461 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2462 value for comparing for a store match.
2463 (simplify_unary_expression): Do nothing for SSA_NAMEs.
2464 (try_to_simplify): Do not do a full-blown reference lookup.
2466 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
2468 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2469 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2471 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2473 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
2475 * tree-loop-linear.c (try_interchange_loops): Compare memory access
2476 strides against cache sizes.
2478 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
2480 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2483 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
2485 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2486 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2487 is smaller than the original promoted value.
2488 (simplify_subreg): If OP is a SUBREG, try to preserve its
2489 SUBREG_PROMOTED_VAR_P information.
2491 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
2493 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2494 (VN_INFO_GET): Allocate new objects on the obstack.
2495 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
2496 for rpo_numbers_temp, for consistency.
2497 (free_scc_vn): Free the obstack.
2499 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
2501 * doc/invoke.texi: Document -ftree-loop-distribution.
2502 * tree-loop-distribution.c: New.
2503 * tree-pass.h (pass_loop_distribution): New.
2504 * graphds.h (struct graph): Add htab_t indices.
2505 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2506 * tree-vectorizer.c (rename_variables_in_loop): Extern.
2507 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2508 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2509 * tree-data-ref.c (debug_data_dependence_relations): New.
2510 (dump_data_dependence_relation): Also print data references.
2511 (free_data_ref): Extern.
2512 (same_access_functions): Moved...
2513 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2514 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2515 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2516 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2517 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2518 (stmts_from_loop): Skip LABEL_EXPR.
2519 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2521 (build_rdg): Initialize rdg->indices htab.
2522 (free_rdg, stores_from_loop, ref_base_address,
2523 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2524 have_similar_memory_accesses_1, ref_base_address_1,
2525 remove_similar_memory_refs): New.
2526 * tree-data-ref.h: Depend on tree-chrec.h.
2527 (debug_data_dependence_relations, free_data_ref): Declared.
2528 (same_access_functions): ... here.
2529 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2531 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2532 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2533 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2534 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2535 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2536 rdg_vertex_for_stmt): Declared.
2537 (struct rdg_edge): Add level.
2539 (free_rdg, stores_from_loop, remove_similar_memory_refs,
2540 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2542 (rdg_has_similar_memory_accesses): New.
2543 * tree-vect-analyze.c: Remove unused static decls.
2544 * lambda.h (dependence_level): New.
2545 * common.opt (ftree-loop-distribution): New.
2546 * tree-flow.h (mark_virtual_ops_in_bb,
2547 slpeel_tree_duplicate_loop_to_edge_cfg,
2548 rename_variables_in_loop): Declared.
2549 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2550 (OBJS-common): Add tree-loop-distribution.o.
2551 (tree-loop-distribution.o): New rule.
2552 * tree-cfg.c (mark_virtual_ops_in_bb): New.
2553 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2554 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2556 2008-02-28 Joseph Myers <joseph@codesourcery.com>
2559 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
2560 other than structures and unions.
2562 2008-02-28 Richard Guenther <rguenther@suse.de>
2565 2008-02-26 Richard Guenther <rguenther@suse.de>
2567 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2568 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2569 (lookup_decl_from_uid): Declare.
2570 (remove_decl_from_map): Likewise.
2571 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2572 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2573 (decl_for_uid_map): New global hashtable mapping DECL_UID
2575 (init_ttree): Allocate it.
2576 (insert_decl_to_uid_decl_map): New helper function.
2577 (make_node_stat): Insert new decls into the map.
2578 (copy_node_stat): Likewise.
2579 (lookup_decl_from_uid): New function.
2580 (remove_decl_from_map): Likewise.
2581 (print_decl_for_uid_map_statistics): New helper.
2582 (dump_tree_statistics): Call it.
2584 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2585 (referenced_var_iterator): Adjust.
2586 (FOR_EACH_REFERENCED_VAR): Adjust.
2587 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2588 (num_referenced_vars): Adjust.
2589 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2590 (first_referenced_var): Remove.
2591 (end_referenced_vars_p): Likewise.
2592 (next_referenced_var): Likewise.
2593 (referenced_var_iterator_set): New helper function.
2594 * tree-dfa.c (referenced_var_lookup): Adjust.
2595 (referenced_var_check_and_insert): Likewise.
2596 (remove_referenced_var): Likewise.
2597 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2598 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2599 (verify_call_clobbering): Likewise.
2600 (verify_memory_partitions): Likewise.
2601 (init_tree_ssa): Allocate bitmap instead of hashtable for
2603 (delete_tree_ssa): Adjust.
2604 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2605 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2606 (compute_tag_properties): Likewise.
2607 (set_initial_properties): Likewise.
2608 (find_partition_for): Likewise.
2609 (update_reference_counts): Likewise.
2610 (dump_may_aliases_for): Likewise.
2611 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2612 (add_call_clobber_ops): Likewise.
2613 (add_call_read_ops): Likewise.
2614 (get_asm_expr_operands): Likewise.
2615 * tree-into-ssa.c (dump_decl_set): Likewise.
2616 (update_ssa): Likewise.
2617 * tree-sra.c (scan_function): Likewise.
2618 (decide_instantiations): Likewise.
2619 (scalarize_parms): Likewise.
2620 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2621 (dsa_named_for): Likewise.
2622 * tree-ssa-structalias.c (update_alias_info): Likewise.
2623 (merge_smts_into): Likewise.
2625 2008-02-27 David Daney <ddaney@avtrex.com>
2628 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
2629 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
2630 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
2631 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
2632 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
2634 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
2637 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
2638 (BUILT_IN_NEXTTOWARD): Remove.
2639 (BUILT_IN_NEXTTOWARDF): Ditto.
2640 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
2641 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
2643 2008-02-27 Tom Tromey <tromey@redhat.com>
2645 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2646 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2648 2008-02-27 Jan Beulich <jbeulich@novell.com>
2650 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2651 update the respective field on newdecl.
2653 2008-02-27 Revital Eres <eres@il.ibm.com>
2655 PR rtl-optimization/34999
2656 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2657 crossing edges that ends with a call insn.
2658 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2659 call insn and clear the EDGE_CROSSING flag of the crossing edge
2660 when fixing fallthru edges.
2662 2008-02-27 Richard Guenther <rguenther@suse.de>
2665 * fold-const.c (fold_unary): Return the correct argument,
2666 converted to the result type.
2668 2008-02-27 Richard Guenther <rguenther@suse.de>
2671 * expr.c (expand_expr_real_1): Assert on rotates that operate
2673 * fold-const.c (fold_binary): Use the types precision, not the
2674 bitsize of the mode if folding rotate expressions. Build rotates
2675 only for full modes.
2677 2008-02-27 Jakub Jelinek <jakub@redhat.com>
2679 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2681 * c-pragma.c (pragma_ns_name): New typedef.
2682 (registered_pp_pragmas): New variable.
2683 (c_pp_lookup_pragma): New function.
2684 (c_register_pragma_1): If flag_preprocess_only, do nothing
2685 for non-expanded pragmas, for expanded ones push pragma's
2686 namespace and name into registered_pp_pragmas vector.
2687 (c_invoke_pragma_handler): Register OpenMP pragmas even when
2688 flag_preprocess_only, don't register GCC pch_preprocess
2689 pragma if flag_preprocess_only.
2690 * c-opts.c (c_common_init): Call init_pragma even if
2691 flag_preprocess_only.
2692 * c-pragma.c (c_pp_lookup_pragma): New prototype.
2693 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2694 cpp_register_pragma if flag_preprocess_only.
2696 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2699 * c-parser.c (c_parser_translation_unit): Warn for empty
2700 translation unit, not empty source file.
2702 2008-02-26 Paul Brook <paul@codesourcery.com>
2704 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2705 operand for Thumb-2.
2706 * config/arm/arm.h (reg_class): Add CORE_REGS.
2707 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2708 (BASE_REG_CLASS): Use CORE_REGS.
2709 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2710 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2711 (REGNO_OK_FOR_INDEX_P): Exclude SP.
2712 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
2713 ARM_REGNO_OK_FOR_INDEX_P.
2714 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2715 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2716 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2717 (ldm/stm peepholes): Ditto.
2718 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2719 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2720 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2721 * config/arm/constraints.md: Enable "k" constraint on ARM.
2723 2008-02-27 Ben Elliston <bje@au.ibm.com>
2725 * config/rs6000/rs6000.c: Annotate cache line size field in all
2726 instances of struct processor_costs.
2728 2008-02-26 David Edelsohn <edelsohn@gnu.org>
2730 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2731 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2732 jump_bypass): New counters.
2733 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2734 * dce.c (gate_ud_dce): Same.
2735 (gate_fast_dce): Same.
2736 * dse.c (gate_dse1): New function.
2737 (gate_dse2): New function.
2738 (gate_dse): Merge results of new gate functions.
2739 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2740 (gate_handle_jump_bypass): Add dbg_cnt.
2741 (gate_handle_gcse): Add dbg_cnt.
2742 * ifcvt.c (gate_handle_if_conversion): Same.
2743 (gate_handle_if_after_combine): Same.
2744 (gate_handle_if_after_reload): Same.
2745 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2747 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
2749 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2751 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
2753 2008-02-26 Jason Merrill <jason@redhat.com>
2756 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
2757 alone if it's the naming decl for the type's main variant.
2759 2008-02-26 Tom Tromey <tromey@redhat.com>
2761 * system.h (USE_MAPPED_LOCATION): Poison.
2762 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
2763 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
2764 (make_goto_expr_edges): Likewise.
2765 (remove_bb): Likewise.
2766 (execute_warn_function_return): Likewise.
2767 * basic-block.h (struct edge_def) <goto_locus>: Change type to
2769 * c-common.c (fname_decl): Remove old location code.
2770 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2772 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2774 (ASM_INPUT_SOURCE_LOCATION): Likewise.
2775 (gen_rtx_ASM_INPUT): Likewise.
2776 (gen_rtx_ASM_INPUT_loc): Likewise.
2777 (get_rtx_asm_OPERANDS): Remove.
2778 * cfglayout.c (insn_locators_alloc): Remove old location code.
2779 (set_curr_insn_source_location): Likewise.
2780 (curr_insn_locator): Likewise.
2781 * print-tree.c (print_node): Remove old location code.
2782 * tree-mudflap.c (mf_varname_tree): Remove old location code.
2783 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2784 * cfgexpand.c (expand_gimple_cond_expr): Don't use
2785 location_from_locus.
2786 (construct_exit_block): Remove old location code.
2787 * emit-rtl.c (force_next_line_note): Remove old location code.
2788 * profile.c (branch_prob): Remove old location code.
2789 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
2790 LOC_LINE): Remove old-location variants.
2791 * langhooks.c (lhd_print_error_function): Remove old location
2793 * configure, config.in: Rebuilt.
2794 * configure.ac (--enable-mapped-location): Remove.
2795 * c-decl.c (c_init_decl_processing): Remove old location code.
2796 (finish_function): Likewise.
2797 * recog.c (decode_asm_operands): Remove old location code.
2798 * c-pch.c (c_common_read_pch): Remove old location code.
2799 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
2801 * gimple-low.c (lower_function_body): Remove old location code.
2802 * toplev.c (unknown_location): Remove.
2803 (push_srcloc): Remove old-location variant.
2804 (process_options): Remove old location code.
2805 (lang_dependent_init): Likewise.
2806 * input.h (UNKNOWN_LOCATION): Move definition.
2807 (location_t): Undeprecate.
2808 (source_locus): Remove.
2809 (location_from_locus): Remove.
2810 (struct location_s): Remove.
2811 Remove all old-location code.
2812 (input_line, input_filename): Remove.
2813 * final.c (final_scan_insn): Remove old location code.
2814 * diagnostic.c (diagnostic_build_prefix): Remove
2815 USE_MAPPED_LOCATION test.
2816 * tree.h (gimple_stmt) <locus>: Now a location_t.
2817 (tree_exp) <locus>: Likewise.
2818 (DECL_IS_BUILTIN): Remove old-location variant.
2819 (annotate_with_file_line, annotate_with_locus): Likewise.
2820 (expr_locus, set_expr_locus): Update.
2821 * tree.c (build1_stat): Remove old location code.
2822 (last_annotated_node): Remove.
2823 (annotate_with_file_line): Remove old-location variant.
2824 (annotate_with_locus): Likewise.
2825 (expr_location): Remove old location code.
2826 (set_expr_location): Likewise.
2827 (expr_has_location): Likewise.
2828 (expr_locus): Likewise.
2829 (set_expr_locus): Likewise.
2830 (expr_filename): Don't use location_from_locus.
2831 (expr_lineno): Likewise.
2832 * rtl-error.c (location_for_asm): Remove old location code.
2833 * c-lex.c (cb_line_change): Remove old location code.
2834 (fe_file_change): Likewise.
2835 (cb_def_pragma): Likewise.
2836 (c_lex_with_flags): Likewise.
2837 * gengtype.c (do_typedef): Don't special-case location types.
2838 (define_location_structures): Remove.
2839 (main): Don't call define_location_structures.
2840 * tree-pretty-print.c (dump_implicit_edges): Remove old location
2843 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2846 * builtins.def (BUILT_IN_STDARG_START): Remove.
2847 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
2848 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2849 * tree-inline.c (inline_forbidden_p_1): Likewise.
2851 2008-02-26 Richard Guenther <rguenther@suse.de>
2853 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2854 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2855 (lookup_decl_from_uid): Declare.
2856 (remove_decl_from_map): Likewise.
2857 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2858 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2859 (decl_for_uid_map): New global hashtable mapping DECL_UID
2861 (init_ttree): Allocate it.
2862 (insert_decl_to_uid_decl_map): New helper function.
2863 (make_node_stat): Insert new decls into the map.
2864 (copy_node_stat): Likewise.
2865 (lookup_decl_from_uid): New function.
2866 (remove_decl_from_map): Likewise.
2867 (print_decl_for_uid_map_statistics): New helper.
2868 (dump_tree_statistics): Call it.
2870 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2871 (referenced_var_iterator): Adjust.
2872 (FOR_EACH_REFERENCED_VAR): Adjust.
2873 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2874 (num_referenced_vars): Adjust.
2875 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2876 (first_referenced_var): Remove.
2877 (end_referenced_vars_p): Likewise.
2878 (next_referenced_var): Likewise.
2879 (referenced_var_iterator_set): New helper function.
2880 * tree-dfa.c (referenced_var_lookup): Adjust.
2881 (referenced_var_check_and_insert): Likewise.
2882 (remove_referenced_var): Likewise.
2883 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2884 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2885 (verify_call_clobbering): Likewise.
2886 (verify_memory_partitions): Likewise.
2887 (init_tree_ssa): Allocate bitmap instead of hashtable for
2889 (delete_tree_ssa): Adjust.
2890 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2891 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2892 (compute_tag_properties): Likewise.
2893 (set_initial_properties): Likewise.
2894 (find_partition_for): Likewise.
2895 (update_reference_counts): Likewise.
2896 (dump_may_aliases_for): Likewise.
2897 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2898 (add_call_clobber_ops): Likewise.
2899 (add_call_read_ops): Likewise.
2900 (get_asm_expr_operands): Likewise.
2901 * tree-into-ssa.c (dump_decl_set): Likewise.
2902 (update_ssa): Likewise.
2903 * tree-sra.c (scan_function): Likewise.
2904 (decide_instantiations): Likewise.
2905 (scalarize_parms): Likewise.
2906 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2907 (dsa_named_for): Likewise.
2908 * tree-ssa-structalias.c (update_alias_info): Likewise.
2909 (merge_smts_into): Likewise.
2911 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2914 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
2915 * c-opts.c (c_common_handle_option): Wall enables
2916 Wvolatile-register-var.
2917 * common.opt: Move Wvolatile-register-var to...
2920 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2922 * common.opt (Wlarger-than=): New.
2923 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
2925 * opts.c (common_handle_option): Handle -Wlarger-than=.
2926 * optc-gen.awk: Likewise.
2927 * opth-gen.awk: Likewise.
2928 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
2929 * tree-optimize.c (tree_rest_of_compilation): Likewise.
2931 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2933 * c-common.c (match_case_to_enum_1): Add appropriate
2934 OPT_W* parameter to warning.
2935 (c_do_switch_warnings): Likewise.
2936 * c-typeck.c (warning_init): Add one more parameter following
2938 (push_init_level): Update call to warning_init.
2939 (pop_init_level): Likewise.
2940 (add_pending_init): Likewise.
2941 (output_init_element: Likewise.
2943 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2946 * toplev.c (toplev_main): If there are warnings or error, print
2947 errors for ignored options.
2948 * opts.c (ignored_options): New static variable.
2949 (postpone_unknown_option_error): New.
2950 (print_ignored_options): New.
2951 (handle_option): Postpone errors for unknown -Wno-* options.
2952 * opts.h (print_ignored_options): Declare.
2954 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
2956 * config/mips/mips.md (loadgp_blockage, blockage): Change type
2959 2008-02-25 Richard Guenther <rguenther@suse.de>
2962 2008-02-25 Richard Guenther <rguenther@suse.de>
2964 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2965 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2966 (lookup_decl_from_uid): Declare.
2967 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2968 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2969 (decl_for_uid_map): New global hashtable mapping DECL_UID
2971 (init_ttree): Allocate it.
2972 (insert_decl_to_uid_decl_map): New helper function.
2973 (make_node_stat): Insert new decls into the map.
2974 (copy_node_stat): Likewise.
2975 (lookup_decl_from_uid): New function.
2976 (print_decl_for_uid_map_statistics): New helper.
2977 (dump_tree_statistics): Call it.
2979 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2980 (referenced_var_iterator): Adjust.
2981 (FOR_EACH_REFERENCED_VAR): Adjust.
2982 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2983 (num_referenced_vars): Adjust.
2984 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2985 (first_referenced_var): Remove.
2986 (end_referenced_vars_p): Likewise.
2987 (next_referenced_var): Likewise.
2988 (referenced_var_iterator_set): New helper function.
2989 * tree-dfa.c (referenced_var_lookup): Adjust.
2990 (referenced_var_check_and_insert): Likewise.
2991 (remove_referenced_var): Likewise.
2992 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2993 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2994 (verify_call_clobbering): Likewise.
2995 (verify_memory_partitions): Likewise.
2996 (init_tree_ssa): Allocate bitmap instead of hashtable for
2998 (delete_tree_ssa): Adjust.
2999 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3000 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3001 (compute_tag_properties): Likewise.
3002 (set_initial_properties): Likewise.
3003 (find_partition_for): Likewise.
3004 (update_reference_counts): Likewise.
3005 (dump_may_aliases_for): Likewise.
3006 * tree-ssa-operands.c (add_virtual_operand): Likewise.
3007 (add_call_clobber_ops): Likewise.
3008 (add_call_read_ops): Likewise.
3009 (get_asm_expr_operands): Likewise.
3010 * tree-into-ssa.c (dump_decl_set): Likewise.
3011 (update_ssa): Likewise.
3012 * tree-sra.c (scan_function): Likewise.
3013 (decide_instantiations): Likewise.
3014 (scalarize_parms): Likewise.
3015 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3016 (dsa_named_for): Likewise.
3017 * tree-ssa-structalias.c (update_alias_info): Likewise.
3018 (merge_smts_into): Likewise.
3020 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
3023 * doc/invoke.texi (-fcx-limited-range): Document new option.
3024 * toplev.c (process_options): Handle -fcx-fortran-rules.
3025 * common.opt: Add documentation for -fcx-fortran-rules.
3027 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
3030 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
3031 actual behaviour and C99.
3033 2008-02-26 Ben Elliston <bje@au.ibm.com>
3035 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
3036 (ASM_CPU_POWER6_SPEC): Likewise.
3037 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
3038 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
3039 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
3041 2008-02-25 Richard Guenther <rguenther@suse.de>
3043 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3044 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3045 (lookup_decl_from_uid): Declare.
3046 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3047 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3048 (decl_for_uid_map): New global hashtable mapping DECL_UID
3050 (init_ttree): Allocate it.
3051 (insert_decl_to_uid_decl_map): New helper function.
3052 (make_node_stat): Insert new decls into the map.
3053 (copy_node_stat): Likewise.
3054 (lookup_decl_from_uid): New function.
3055 (print_decl_for_uid_map_statistics): New helper.
3056 (dump_tree_statistics): Call it.
3058 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3059 (referenced_var_iterator): Adjust.
3060 (FOR_EACH_REFERENCED_VAR): Adjust.
3061 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3062 (num_referenced_vars): Adjust.
3063 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3064 (first_referenced_var): Remove.
3065 (end_referenced_vars_p): Likewise.
3066 (next_referenced_var): Likewise.
3067 (referenced_var_iterator_set): New helper function.
3068 * tree-dfa.c (referenced_var_lookup): Adjust.
3069 (referenced_var_check_and_insert): Likewise.
3070 (remove_referenced_var): Likewise.
3071 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3072 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3073 (verify_call_clobbering): Likewise.
3074 (verify_memory_partitions): Likewise.
3075 (init_tree_ssa): Allocate bitmap instead of hashtable for
3077 (delete_tree_ssa): Adjust.
3078 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3079 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3080 (compute_tag_properties): Likewise.
3081 (set_initial_properties): Likewise.
3082 (find_partition_for): Likewise.
3083 (update_reference_counts): Likewise.
3084 (dump_may_aliases_for): Likewise.
3085 * tree-ssa-operands.c (add_virtual_operand): Likewise.
3086 (add_call_clobber_ops): Likewise.
3087 (add_call_read_ops): Likewise.
3088 (get_asm_expr_operands): Likewise.
3089 * tree-into-ssa.c (dump_decl_set): Likewise.
3090 (update_ssa): Likewise.
3091 * tree-sra.c (scan_function): Likewise.
3092 (decide_instantiations): Likewise.
3093 (scalarize_parms): Likewise.
3094 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3095 (dsa_named_for): Likewise.
3096 * tree-ssa-structalias.c (update_alias_info): Likewise.
3097 (merge_smts_into): Likewise.
3099 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
3102 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
3103 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
3104 * alias.h (nonoverlapping_memrefs_p): Likewise.
3106 2008-02-25 Jan Beulich <jbeulich@novell.com>
3108 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
3109 * config/i386/netware-libgcc.exp: Add __bswap?i2,
3110 __emultls_get_address, __emultls_register_common,
3111 __floatundi?f, and _Unwind_GetIPInfo.
3112 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
3113 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
3114 (gen_regparm_prefix): Likewise.
3115 (i386_nlm_encode_section_info): Sync with
3116 config/i386/winnt.c:i386_pe_encode_section_info().
3117 (i386_nlm_maybe_mangle_decl_assembler_name): New.
3118 i386_nlm_mangle_decl_assembler_name): New.
3119 (netware_override_options): New.
3120 * config/i386/netware.h (netware_override_options): Declare.
3121 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
3122 (i386_nlm_mangle_decl_assembler_name): Declare.
3123 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
3125 2008-02-25 Ben Elliston <bje@au.ibm.com>
3128 * c-decl.c (grokdeclarator): Remove unused local variables
3129 `typedef_type' and `type_as_written'.
3131 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
3132 unused local variable `has_hot_blocks'.
3133 (fix_crossing_conditional_branches): Remove unused local variable
3136 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
3139 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
3140 using DEF_C99_BUILTIN.
3141 (BUILT_IN_NANF): Ditto.
3142 (BUILT_IN_NANL): Ditto.
3144 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
3145 Revital Eres <eres@il.ibm.com>
3147 * modulo-sched.c (calculate_must_precede_follow): Address TODO
3148 regarding the order of two dependent insns in the same row.
3150 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
3152 * stor-layout.c (layout_decl): Do not bump the alignment of a
3153 bit-field to more than byte alignment if it is packed.
3155 2008-02-24 David Edelsohn <edelsohn@gnu.org>
3157 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
3160 2008-02-24 Diego Novillo <dnovillo@google.com>
3162 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
3165 * tree-vrp.c (vrp_evaluate_conditional): With
3166 -Wtype-limits, emit a warning when comparing against a
3167 constant outside the natural range of OP0's type.
3168 * c.opt (Wtype-limits): Move ...
3169 * common.opt (Wtype-limits): ... here.
3171 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
3173 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
3174 * config/rs6000/e300c2c3.md: New file.
3175 * config/rs6000/rs6000.c (processor_costs): Add new costs for
3177 (rs6000_override_options): Add e300c2 and e300c3 cases to
3178 processor_target_table. Do not allow usage of Altivec or Spe
3179 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
3180 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
3181 * config/rs6000/rs6000.h (processor_type): Add
3182 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
3183 (ASM_CPU_SPEC): Add e300c2 and e300c3.
3184 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
3185 and ppce300c3. Include e300c2c3.md.
3187 2008-02-23 David Edelsohn <edelsohn@gnu.org>
3189 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
3190 instead of TARGET_STRICT_ALIGN.
3192 2008-02-23 Joseph Myers <joseph@codesourcery.com>
3194 * explow.c (memory_address): Assert that the generated address is
3197 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3200 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
3201 * config/darwin-ppc-ldouble-patch.def: New file.
3202 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
3203 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
3204 SUBTARGET_INIT_BUILTINS if defined.
3205 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
3208 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
3211 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
3212 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
3214 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
3217 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
3218 file" warning condtional on -Winvalid-PCH.
3220 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
3222 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
3224 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
3228 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
3229 prevent reload from using MMX registers.
3230 (*mov<mode>_internal): Ditto.
3231 (*movv2sf_internal_rex64): Ditto.
3232 (*movv2sf_internal): Ditto.
3234 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3236 PR documentation/31569
3237 * doc/install.texi2html: Use makeinfo --no-number-sections.
3239 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
3241 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
3242 ensure that we can address an entire entity > 8 bytes. Don't
3243 generate reg+reg addressing for such data.
3245 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
3247 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
3248 strings when optimizing for size, unless the target cares about
3251 2008-02-22 Tom Tromey <tromey@redhat.com>
3253 * regclass.c (current_pass): Remove declaration.
3255 2008-02-22 Anatoly Sokolov <aesok@post.ru>
3257 * config/avr/libgcc.S (__RAMPZ__): Define.
3258 (__do_copy_data): Add for devices with 128KB code memory.
3260 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
3262 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3264 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
3266 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
3268 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
3271 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3274 * c-typeck.c (build_binary_op): Warn about floating point
3275 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
3277 2008-02-21 Janis Johnson <janis187@us.ibm.com>
3280 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
3281 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
3283 (rs6000_override_options): Set altivec_abi as default, not override,
3284 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
3285 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
3286 is used; use new member spe_abi.
3287 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
3288 spe_abi and altivec_abi.
3290 2008-02-22 Tomas Bily <tbily@suse.cz>
3292 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
3294 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3297 * config.build (build_file_translate): Set to `CMD //c' only if
3299 * Makefile.in (build_file_translate): Improve comment.
3301 2008-02-21 Jan Hubicka <jh@suse.cz>
3303 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
3304 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
3305 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
3307 2008-02-21 Michael Matz <matz@suse.de>
3310 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
3312 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
3314 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
3315 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
3317 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
3318 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
3319 SSE_VEC_FLOAT_MODE_P as insn constraint.
3320 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
3321 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
3322 sse4a_movntdf using MODEF mode iterator.
3323 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
3324 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
3325 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
3326 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
3327 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
3328 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
3329 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
3331 2008-02-21 Richard Guenther <rguenther@suse.de>
3333 * tree.def (PAREN_EXPR): New tree code.
3334 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
3336 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
3337 * expr.c (expand_expr_real_1): Likewise.
3338 * tree-inline.c (estimate_num_insns_1): Likewise.
3339 * tree-complex.c (expand_complex_move): Likewise.
3340 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
3343 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
3346 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
3348 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
3351 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
3353 * config/sh/sh.c (find_barrier): Don't go past
3354 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
3356 2008-02-20 DJ Delorie <dj@redhat.com>
3358 * config/h8300/h8300.md (insv): Force source operand to be a register.
3360 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
3361 as a jump, not as a plain insn.
3363 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
3365 * doc/invoke.texi (Warning Options): Add new option
3366 -Wframe-larger-than=.
3367 (-Wframe-larger-than): Document.
3369 * flags.h (warn_frame_larger_than, frame_larger_than_size):
3370 Add declarations for new option variables.
3372 * final.c (final_start_function): Check the frame size
3373 before emission and issue a Wframe-larger-than warning.
3375 * opts.c (warn_frame_larger_than, frame_larger_than_size):
3376 Add definitions for new option variables.
3377 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
3379 * common.opt (Wframe-larger-than=): New option.
3381 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
3383 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
3384 (<sse>_div<mode>3): Ditto.
3385 (<sse>_vmdiv<mode>3): Ditto.
3386 (<sse>_vmsqrt<mode>2): Ditto.
3387 (*smax<mode>3): Ditto.
3388 (sse5_frcz<mode>2): Ditto.
3389 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
3392 2008-02-20 Richard Guenther <rguenther@suse.de>
3395 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
3396 be happy with INTEGRAL_TYPE_P.
3398 2008-02-20 Richard Guenther <rguenther@suse.de>
3400 * fold-const.c (split_tree): Associate floatig-point expressions
3401 if flag_associative_math is set.
3403 2008-02-20 Richard Guenther <rguenther@suse.de>
3405 * tree.h (fold_real_zero_addition_p): Declare.
3406 * fold-const.c (fold_real_zero_addition_p): Export.
3407 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
3408 floating-point operations with zero and one.
3410 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
3412 * doc/install.texi: Correct references to CFLAGS, replacing them
3413 with BOOT_CFLAGS. Document flags used during bootstrap for
3416 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
3418 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
3419 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
3420 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
3422 (smin<mode>3): Ditto from similar patterns.
3423 (smax<mode>3): Ditto.
3424 (*ieee_smin<mode>3): Ditto.
3425 (*ieee_smax<mode>3): Ditto.
3426 * config/i386/sse.md (sse): New mode attribute.
3427 (mov<mode>): Macroize expander from movv4sf and movv2df using
3428 SSEMODEF2P mode iterator.
3429 (<sse>_movnt<mode>): Ditto from similar patterns. Use
3430 SSE_VEC_FLOAT_MODE_P as insn constraint.
3431 (storent<mode>): Ditto.
3432 (storent<mode>): Macroize expander from storentsf and storentdf using
3433 MODEF mode iterator.
3434 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
3435 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
3436 (abs<mode>2): Ditto from similar patterns.
3437 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
3438 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
3439 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
3440 (<sse>_vmsqrt<mode>2): Ditto.
3441 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
3442 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
3443 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
3444 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
3445 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
3446 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
3447 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
3449 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
3450 iterator and SSE_FLOAT_MODE_P as insn constraint.
3451 (<sse>_ucomi): Ditto from similar patterns.
3452 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
3453 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
3454 SSE_VEC_FLOAT_MODE_P as insn constraint.
3455 (vcond<mode>): Ditto from similar patterns.
3456 (and<mode>3, *and<mode>3): Ditto.
3457 (<sse>_nand<mode>3): Ditto.
3458 (ior<mode>3, *ior<mode>3): Ditto.
3459 (xor<mode>3, *xor<mode>3): Ditto.
3460 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
3461 iterator and SSE_FLOAT_MODE_P as insn constraint.
3462 (*nand<mode>3): Ditto from similar patterns.
3463 (*ior<mode>3): Ditto.
3464 (*xor<mode>3): Ditto.
3466 2008-02-20 Ira Rosen <irar@il.ibm.com>
3468 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
3469 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
3470 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
3472 2008-02-19 Jan Hubicka <jh@suse.cz>
3474 * predict.c (tree_bb_level_predictions): Remove variable next
3475 mistakely introduced by previous commit.
3477 2008-02-19 Jan Hubicka <jh@suse.cz>
3479 * predict.c (predict_paths_leading_to): Rewrite.
3480 (predict_paths_for_bb): New.
3481 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
3483 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3486 * Makefile.in (build_file_translate): New.
3487 (gcc-vers.texi): Use it for translating $(abs_srcdir).
3488 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
3489 * configure.ac (build_file_translate): Substitute it.
3490 * configure: Regenerate.
3492 2008-02-19 Jan Hubicka <jh@suse.cz>
3494 PR rtl-optimization/34408
3495 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
3498 2008-02-19 Jan Hubicka <jh@suse.cz>
3501 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
3504 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
3507 * config/i386/i386-modes.def: Revert the last DI alignment
3508 change until Ada people can look into it.
3510 2008-02-19 Nick Clifton <nickc@redhat.com>
3512 * opts.c (print_specific_help): Fix typo in --help text.
3514 2008-02-19 Jakub Jelinek <jakub@redhat.com>
3517 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
3518 32-bit inline asm without asm alternatives for host GCC < 3.0.
3520 2008-02-19 Richard Guenther <rguenther@suse.de>
3522 PR tree-optimization/34989
3523 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
3524 Allow propagation to INDIRECT_REF if we can simplify only.
3526 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3528 * c-common.c (warn_for_collisions_1): Use appropriate option when
3531 2008-02-19 Nick Clifton <nickc@redhat.com>
3534 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
3535 (handle_options): Fix indentation.
3536 (print_filtered_help): If no language-specific options were
3537 displayed tell the user how to list all the options supported by
3538 the language's front-end.
3539 (print_specific_help): Fix indentation and remove duplicate line.
3540 (common_handle_option): Handle the -v option.
3541 For --help enable the display of undocumented options if the -v
3542 switch has been included on the command line.
3543 For --help= check for overlaps in the arguments between the option
3544 classes and the language names and issue a warning when they
3545 cannot be disambiguated.
3546 * c.opt (v): Pass on to the common option handler.
3548 2008-02-19 Revital Eres <eres@il.ibm.com>
3550 * modulo-sched.c (sms_schedule): Change dump message when
3551 create_ddg function fails.
3552 (try_scheduling_node_in_cycle): Rename row to cycle.
3553 (print_partial_schedule): Rename CYCLE to ROW.
3555 2008-02-19 Christian Bruel <christian.bruel@st.com>
3556 Zdenek Dvorak <ook@ucw.cz>
3558 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
3560 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
3563 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
3564 (*x86_movdicc_0_m1_se): Ditto.
3566 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
3568 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
3569 (CMPtype): Define as __gcc_CMPtype.
3570 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
3571 (CMPtype): Define as __gcc_CMPtype.
3573 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
3575 Support valgrind 3.3 for --enable-checking=valgrind.
3576 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
3578 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
3579 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
3580 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
3581 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
3582 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
3583 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
3584 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
3586 * ggc-zone.c: Similar.
3587 * ggc-page.c: Similar.
3589 2008-02-19 Paul Brook <paul@codesourcery.com>
3592 * config/arm/ieee754-df.S: Fix do_it typo.
3593 * config/arm/ieee754-sf.S: Fix do_it typo.
3595 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
3598 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
3599 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
3600 (OPTION_MASK_ISA_SSE_SET): Likewise.
3601 (OPTION_MASK_ISA_SSE2_SET): Likewise.
3602 (OPTION_MASK_ISA_SSE3_SET): Likewise.
3603 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
3604 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
3605 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
3606 (OPTION_MASK_ISA_SSE4_SET): Likewise.
3607 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
3608 (OPTION_MASK_ISA_SSE5_SET): Likewise.
3609 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
3610 (OPTION_MASK_ISA_MMX_UNSET): Updated.
3611 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
3612 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3613 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3614 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3615 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3616 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3617 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3618 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
3619 (OPTION_MASK_ISA_SSE4): Removed.
3620 (ix86_handle_option): Turn on bits in ix86_isa_flags and
3621 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
3622 (override_options): Don't turn on implied SSE/MMX bits in
3625 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
3627 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3630 2008-02-18 Joey Ye <joey.ye@intel.com>
3633 * tree-nested.c (insert_field_into_struct): Set type alignment
3634 to field alignment if the former is less than the latter.
3636 2008-02-18 Jakub Jelinek <jakub@redhat.com>
3638 * BASE-VER: Set to 4.4.0.
3640 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3642 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
3643 * doc/cfg.texi: Likewise.
3644 * doc/extend.texi: Likewise.
3645 * doc/gty.texi: Likewise.
3646 * doc/invoke.texi: Likewise.
3647 * doc/loop.texi: Likewise.
3648 * doc/md.texi: Likewise.
3649 * doc/passes.texi: Likewise.
3650 * doc/rtl.texi: Likewise.
3651 * doc/sourcebuild.texi: Likewise.
3652 * doc/tm.texi: Likewise.
3653 * doc/tree-ssa.texi: Likewise.
3655 2008-02-17 Richard Guenther <rguenther@suse.de>
3658 * tree-complex.c (init_parameter_lattice_values): Handle parameters
3659 without default definition.
3661 2008-02-17 Richard Guenther <rguenther@suse.de>
3663 PR tree-optimization/35231
3664 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
3667 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
3670 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 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3677 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
3679 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
3681 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
3684 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3686 * doc/c-tree.texi: Use `@.' where appropriate.
3687 * doc/extend.texi: Likewise.
3688 * doc/install.texi: Likewise.
3689 * doc/invoke.texi: Likewise.
3690 * doc/loop.texi: Likewise.
3691 * doc/makefile.texi: Likewise.
3692 * doc/md.texi: Likewise.
3693 * doc/passes.texi: Likewise.
3694 * doc/standards.texi: Likewise.
3695 * doc/tm.texi: Likewise.
3697 2008-02-15 Jakub Jelinek <jakub@redhat.com>
3700 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
3702 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
3703 rather than in entry_bb.
3705 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3707 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3708 libgcc_cmp_return mode.
3710 2008-02-15 Jakub Jelinek <jakub@redhat.com>
3713 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
3714 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
3716 2008-02-15 Richard Guenther <rguenther@suse.de>
3717 Zdenek Dvorak <ook@ucw.cz>
3719 PR tree-optimization/35164
3720 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
3721 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
3722 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
3723 Only propagate addresses which do not have abnormal SSA_NAMEs
3726 2008-02-15 Joseph Myers <joseph@codesourcery.com>
3729 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
3731 2008-02-15 Jan Hubicka <jh@suse.cz>
3734 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
3736 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3739 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
3740 when calculating alignment_pad.
3742 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3744 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
3745 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
3746 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
3747 and STACK_BOUNDARY define.
3749 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
3751 PR preprocessor/35061
3752 * c-pragma.c (handle_pragma_pop_macro): Check that
3753 pushed_macro_table has been allocated.
3755 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
3758 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
3759 (force_gimple_operand): Likewise.
3760 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
3761 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
3762 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
3763 (find_interesting_uses_address): Check addressability and alignment
3764 of the base expression only after substituting bases of IVs into it.
3766 2008-02-14 Michael Matz <matz@suse.de>
3769 * function.c (instantiate_virtual_regs_in_insn): Reload address
3770 before falling back to reloading the whole operand.
3772 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
3774 * config/s390/s390.c (s390_mainpool_start): Emit the pool
3775 before the first section switch note.
3777 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3779 * doc/bugreport.texi: Update copyright years.
3780 * doc/c-tree.texi: Likewise.
3781 * doc/cfg.texi: Likewise.
3782 * doc/cpp.texi: Likewise.
3783 * doc/cppinternals.texi: Likewise.
3784 * doc/fragments.texi: Likewise.
3785 * doc/frontends.texi: Likewise.
3786 * doc/gcc.texi: Likewise.
3787 * doc/gty.texi: Likewise.
3788 * doc/hostconfig.texi: Likewise.
3789 * doc/implement-c.texi: Likewise.
3790 * doc/libgcc.texi: Likewise.
3791 * doc/loop.texi: Likewise.
3792 * doc/makefile.texi: Likewise.
3793 * doc/options.texi: Likewise.
3794 * doc/passes.texi: Likewise.
3795 * doc/rtl.texi: Likewise.
3796 * doc/sourcebuild.texi: Likewise.
3797 * doc/standards.texi: Likewise.
3798 * doc/tree-ssa.texi: Likewise.
3799 * doc/trouble.texi: Likewise.
3801 * doc/extend.texi: Use @: or add comma where appropriate.
3802 * doc/invoke.texi: Likewise.
3803 * doc/tm.texi: Likewise.
3805 2008-02-14 Alan Modra <amodra@bigpond.net.au>
3808 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
3811 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
3813 * doc/md.texi (clz, ctz): Add reference.
3814 * doc/rtl.texi (clz, ctz): Likewise.
3816 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3819 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
3822 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
3824 * config/s390/s390.c (struct constant_pool): New field
3825 emit_pool_after added.
3826 (s390_mainpool_start): Set the emit_pool_after flag according
3827 to the section switch notes.
3828 (s390_mainpool_finish): Consider emit_pool_after when emitting
3829 the literal pool at the end of the function.
3830 (s390_chunkify_start): Force literal pool splits at section
3833 2008-02-13 Michael Matz <matz@suse.de>
3836 * var-tracking.c (clobber_variable_part): Correctly traverse the
3839 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3842 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
3843 Add -fdump-ipa-inline.
3844 * tree-dump.c (dump_files): Remove tree-inlined dump.
3845 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
3847 2008-02-12 Richard Guenther <rguenther@suse.de>
3849 PR tree-optimization/35171
3850 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
3853 2008-02-12 Richard Guenther <rguenther@suse.de>
3856 * fold-const.c (fold_widened_comparison): Use get_unwidened in
3857 value-preserving mode. Disallow final truncation.
3859 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
3862 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
3863 code from here to...
3864 (force_gimple_operand): ...here.
3866 2008-02-12 Jakub Jelinek <jakub@redhat.com>
3869 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
3870 non-compatible pointers.
3871 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
3872 different FIELD_DECLs, try harder by comparing field offsets, sizes
3876 * function.c (match_asm_constraints_1): Don't replace the same input
3879 2008-02-12 Anatoly Sokolov <aesok@post.ru>
3881 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
3882 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
3883 (expand_epilogue): Restore RAMPZ register.
3884 * config/avr/avr.md (RAMPZ_ADDR): New constant.
3886 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
3888 * config/i386/cygwin.asm: (__alloca): Correct calling
3889 convention and alignment.
3890 (__chkstk): Force 8 byte stack alignment.
3892 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
3893 Richard Guenther <rguenther@suse.de>
3895 PR tree-optimization/33992
3896 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
3897 the zero we compare against.
3899 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
3902 * gthr-win32.h (__gthread_mutex_destroy_function): New function
3903 to CloseHandle after unlocking to prevent accumulation of handle
3906 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3909 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
3910 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
3911 and update LABEL_NUSES during and after reload.
3913 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
3916 * combine.c (simplify_if_then_else): Make sure the comparison is
3917 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
3919 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
3922 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
3923 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
3924 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
3925 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
3926 * tree.h (get_type_static_bounds): Likewise.
3928 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3930 * doc/invoke.texi (Option Summary, C++ Dialect Options)
3931 (Objective-C and Objective-C++ Dialect Options, Warning Options):
3932 Make -Wfoo language annotations match what the compiler outputs.
3934 2008-02-08 Sa Liu <saliu@de.ibm.com>
3936 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
3937 intrinsics spu_convts, spu_convtu, spu_convtf.
3938 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
3940 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
3942 * doc/extend.texi (Function Attributes) <noinline>: Mention
3943 asm ("") as method to keep calls.
3945 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3948 * doc/options.texi (Options): Replace references to opts.sh with
3950 * opts-common.c: Likewise.
3951 * optc-gen.awk: Likewise.
3953 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
3955 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
3957 2008-02-07 Richard Henderson <rth@redhat.com>
3960 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
3961 EXPR_LIST for the REG_EQUAL instead of a comparison with a
3964 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
3966 PR tree-optimization/35085
3967 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
3968 for operand entry oe2 in addition to operand entry oe3 in order to
3969 expose more opportunities for vectorizer sum reduction.
3971 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3974 * Makefile.in (LIBS): Remove $(GMPLIBS).
3975 (cc1-dummy, cc1): Add $(GMPLIBS).
3977 2008-02-06 Jan Hubicka <jh@suse.cz>
3980 * i386.md (moddf_integer): Do not produce partial memory stalls for
3981 targets where it hurts.
3983 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
3986 * optabs.c (expand_float): Do not check for decimal modes when
3987 expanding unsigned integer through signed conversion.
3989 2008-02-06 Nick Clifton <nickc@redhat.com>
3991 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
3992 inside the clobber with a match_operand and duplicated operand
3993 number in the constraint.
3994 (ineqbranchsi): Delete redundant comment.
3996 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
3998 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
3999 builtin_define ("__USE_INIT_FINI__").
4000 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
4002 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
4004 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4006 PR documentation/30330
4007 * doc/invoke.texi (C++ Dialect Options)
4008 (Objective-C and Objective-C++ Dialect Options, Warning Options):
4009 For each warning option -Wfoo that allows -Wno-foo, ensure both
4010 -Wfoo and -Wno-foo are listed in the option index. Fix index
4011 entry of -Wswitch-default, index -Wnormalized= including the
4012 `=', and -Wlarger-than-@var{len} including @var{len}.
4014 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
4016 * config/i386/i386.md (floatunssisf2): Use
4017 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
4018 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
4019 Macroize expander using MODEF mode iterator.
4021 2008-02-05 Diego Novillo <dnovillo@google.com>
4023 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
4026 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
4028 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4031 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
4033 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
4036 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
4037 to indicate if a message should be generated.
4038 (init_cumulative_args): Updated.
4039 (function_value_32): Likewise.
4041 2008-02-05 Joseph Myers <joseph@codesourcery.com>
4043 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
4045 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
4048 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
4049 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
4051 2008-02-04 Diego Novillo <dnovillo@google.com>
4053 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
4056 * tree-vrp.c (vrp_evaluate_conditional): With
4057 -Wtype-limits, emit a warning when comparing against a
4058 constant outside the natural range of OP0's type.
4060 2008-02-04 Richard Guenther <rguenther@suse.de>
4063 * expr.c (count_type_elements): Give for unions instead of
4066 2008-02-04 Richard Guenther <rguenther@suse.de>
4069 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
4070 to TYPE_DOMAINs base type instead of using bitsizetype here.
4072 2008-02-03 Jason Merrill <jason@redhat.com>
4074 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
4076 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4079 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
4080 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
4081 (RS/6000 and PowerPC Options): Fix typos and markup.
4082 * doc/passes.texi (Tree-SSA passes): Likewise.
4084 2008-02-02 Michael Matz <matz@suse.de>
4087 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
4088 from record_last_reg_set_info.
4089 (record_last_reg_set_info): Take an RTX argument, iterate over all
4090 constituent hardregs.
4091 (record_last_set_info, record_opr_changes): Change calls to
4092 new signature or to record_last_reg_set_info_regno.
4094 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
4096 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
4098 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
4100 PR rtl-optimization/34773
4101 * reg-notes.def (EQUAL): Mention significance of combination of
4102 REG_EQUAL and REG_RETVAL.
4103 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
4104 insn that has a REG_RETVAL.
4106 2008-02-01 Roger Sayle <roger@eyesopen.com>
4109 * configure.ac (--enable-fixed-point): Disable unless explicitly
4111 * configure: Regenerate.
4113 2008-02-01 Richard Guenther <rguenther@suse.de>
4116 * invoke.texi (-finline-limit): Remove no longer true parts
4117 of the documentation. Note that there is no default value.
4119 2008-02-01 Andrew Pinski <pinskia@gmail.com>
4120 Mark Mitchell <mark@codesourcery.com>
4121 Ben Elliston <bje@au.ibm.com>
4124 * doc/extend.texi (Other Builtins): Document.
4126 2008-01-31 Tom Browder <tom.browder@gmail.com>
4128 * doc/c-tree.texi (Types): Fix grammar.
4129 (Expression trees): Ditto.
4130 * doc/passes.texi (Tree-SSA passes): Ditto.
4132 * doc/configterms.texi (Configure Terms): Fix typo.
4133 * doc/cpp.texi (Common Predefined Macros): Ditto.
4134 * doc/md.texi (Machine Constraints): Ditto.
4136 * doc/makefile.texi (Makefile): Add comma.
4138 2008-01-31 Tom Browder <tom.browder@gmail.com>
4139 Gerald Pfeifer <gerald@pfeifer.com>
4141 * doc/sourcebuild.texi (Front End): Remove references to CVS
4142 and CVSROOT/modules.
4143 (Texinfo Manuals): Replace reference to CVS by one to SVN.
4144 (Back End): Remove reference to CVS.
4146 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
4149 * config/mips/mips.c (gen_load_const_gp): New function, taking a
4151 (mips16_gp_pseudo_reg): ...here.
4152 * config/mips/mips.md (load_const_gp): Replace with...
4153 (load_const_gp_<mode>): ...this :P-based insn.
4155 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4157 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
4158 options. Minor fixes.
4159 (-std): Move reference to standards closer to where language
4160 standards are first mentioned.
4162 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
4164 PR rtl-optimization/34995
4165 * reload.c (alternative_allows_const_pool_ref): Take an rtx
4166 parameter and return a bool. If the rtx parameter is nonnull,
4167 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
4168 (find_reloads): Update call accordingly. Pass the new operand
4169 if it needed no address reloads, otherwise pass null.
4171 2008-01-30 Richard Henderson <rth@redhat.com>
4174 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
4175 for unbounded arrays.
4177 2008-01-30 Silvius Rus <rus@google.com>
4179 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
4181 2008-01-30 Jan Hubicka <jh@suse.cz>
4184 * i386.c (init_cumulative_args): Use real function declaration when
4187 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
4189 PR rtl-optimization/34998
4190 * global.c (build_insn_chain): Treat non-subreg_lowpart
4191 SUBREGs of pseudos as clobbering all the words covered by the
4192 SUBREG, not just all the bytes.
4193 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
4194 original df_ref rather than an extract parameter.
4195 (global_conflicts): Update call accordingly.
4197 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
4199 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
4200 the overflow check to make it easier to read.
4201 (__fixtfdi): Change the type of the ll member in union
4202 long_double to UDItype_x.
4204 2008-01-30 Jakub Jelinek <jakub@redhat.com>
4207 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
4208 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
4209 * tree-inline.c (fold_marked_statements): Call
4210 cgraph_update_edges_for_call_stmt if folding a call statement.
4211 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
4212 debug_generic_stmt calls, reset it back afterwards.
4215 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
4217 * c-typeck.c (build_external_ref): Don't pedwarn about
4218 static vars in current function's scope.
4220 2008-01-29 Joseph Myers <joseph@codesourcery.com>
4222 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
4224 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
4227 * ipa-struct-reorg.c: Fix spelling.
4228 * params.def: Ditto.
4230 2008-01-29 Richard Guenther <rguenther@suse.de>
4233 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
4235 * tree-inline.c (remap_type): Increment remapping_type_depth
4236 around remapping types.
4237 (copy_body_r): Only add referenced variables if they are referenced
4238 from code, not types.
4240 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
4251 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
4252 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
4254 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
4257 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
4258 pointer for tiny stack.
4260 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
4262 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
4264 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
4266 * config/vx-common.h: Fix typo in comment.
4268 2008-01-28 Ian Lance Taylor <iant@google.com>
4272 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
4273 coalesce pointers if they have different DECL_NO_TBAA_P values.
4274 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
4275 between variables with different DECL_NO_TBAA_P values.
4277 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
4280 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
4281 are not legitimate small data references on SPE targets.
4283 2008-01-28 David Daney <ddaney@avtrex.com>
4285 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
4287 2008-01-28 David Daney <ddaney@avtrex.com>
4289 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
4291 2008-01-27 Joseph Myers <joseph@codesourcery.com>
4293 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
4294 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
4295 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
4296 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
4297 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
4298 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
4299 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
4300 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
4302 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
4304 * basic-block.h (condjump_equiv_p): Fix comment.
4306 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
4308 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
4309 print_generic_stmt_indented): Fix comment.
4311 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
4313 * configure.ac (__stack_chk_fail): Add detecion for availability
4314 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
4315 * configure: Regenerate.
4317 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
4320 * final.c (output_addr_const): Handle TRUNCATE.
4322 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
4325 * tree-ssa-loop-ivopts.c (comp_cost): New type.
4326 (zero_cost, infinite_cost): New constants.
4327 (struct cost_pair): Change type of cost to comp_cost.
4328 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
4329 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
4331 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
4332 split_address_cost, ptr_difference_cost, difference_cost,
4333 get_computation_cost_at, get_computation_cost,
4334 determine_use_iv_cost_generic, determine_use_iv_cost_address,
4335 determine_use_iv_cost_condition, determine_use_iv_costs,
4336 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
4337 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
4338 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
4339 Change type of cost to comp_cost.
4340 (determine_iv_cost): Increase cost of non-original ivs, instead
4341 of decreasing the cost of original ones.
4342 (get_address_cost): Indicate the complexity of the addressing mode
4344 (try_add_cand_for): Prefer using ivs not specific to some object.
4345 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
4347 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
4348 Janis Johnson <janis187@us.ibm.com>
4351 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
4352 (TARGET_INSTANTIATE_DECLS): Likewise.
4353 * target.h (expand_to_rtl_hook): New target hook.
4354 (instantiate_decls): Likewise.
4355 * function.c (instantiate_decl): Make non-static. Rename to...
4356 (instantiate_decl_rtl): ... this.
4357 (instantiate_expr): Use instantiate_decl_rtl.
4358 (instantiate_decls_1): Likewise.
4359 (instantiate_decls): Likewise.
4360 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
4361 * function.h (instantiate_decl_rtl): Add prototype.
4362 * cfgexpand.c (target.h): New include.
4363 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
4364 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
4365 (TARGET_INSTANTIATE_DECLS): Likewise.
4366 (TARGET_INITIALIZER): New target hooks added.
4367 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
4369 * config/rs6000/rs6000.c (tree-flow.h): New include.
4370 (machine_function): Add sdmode_stack_slot field.
4371 (rs6000_alloc_sdmode_stack_slot): New function.
4372 (rs6000_instantiate_decls): Likewise.
4373 (rs6000_secondary_memory_needed_rtx): Likewise.
4374 (rs6000_check_sdmode): Likewise.
4375 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
4376 (TARGET_INSTANTIATE_DECLS): Likewise.
4377 (rs6000_hard_regno_mode_ok): Allow SDmode.
4378 (num_insns_constant): Likewise. Handle _Decimal32 constants.
4379 (rs6000_emit_move): Handle SDmode.
4380 (function_arg_advance): Likewise.
4381 (function_arg): Likewise.
4382 (rs6000_gimplify_va_arg): Likewise. Add special handling of
4383 SDmode var args for 32-bit compiles.
4384 (rs6000_secondary_reload_class): Handle SDmode.
4385 (rs6000_output_function_epilogue): Likewise.
4386 (rs6000_function_value): Simplify if statement.
4387 (rs6000_libcall_value): Likewise.
4388 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
4389 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
4390 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
4391 (movsd_hardfloat): New define_insn.
4392 (movsd_softfloat): Likewise.
4393 (movsd_store): Likewise.
4394 (movsd_load): Likewise.
4395 (extendsddd2): Likewise.
4396 (extendsdtd2): Likewise.
4397 (truncddsd2): Likewise.
4398 (movdd_hardfloat64): Fixup comment.
4399 (UNSPEC_MOVSD_LOAD): New constant.
4400 (UNSPEC_MOVSD_STORE): Likewise.
4402 2008-01-26 Jakub Jelinek <jakub@redhat.com>
4405 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
4407 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
4408 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
4409 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
4412 2008-01-26 David Edelsohn <edelsohn@gnu.org>
4415 * config.gcc: Separate AIX 5.3 from AIX 6.1.
4416 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4417 __LONGDOUBLE128 too.
4418 * config/rs6000/aix61.h: New file.
4420 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
4422 PR rtl-optimization/34959
4423 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
4424 popcount and parity rtxes the same mode as their operand.
4425 Truncate or extend the result to the return value's mode
4428 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
4431 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
4432 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
4433 to GOT_VERSION_REGNUM.
4434 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
4435 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
4436 * config/mips/mips.c (mips_emit_call_insn): New function.
4437 (mips_call_tls_get_addr): Call mips_expand_call directly.
4438 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
4440 (mips16_build_call_stub): Likewise. Return the call insn or null.
4441 (mips_expand_call): Update the call to mips16_build_call_stub
4442 accordingly and a remove redundant condition. Assert that MIPS16
4443 stubs do not use lazy binding. Use mips_emit_call_insn and return
4445 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
4447 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
4448 (mips_avoid_hazard): Remove hazard_set handling.
4449 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
4450 (UNSPEC_RESTORE_GP): ...this.
4451 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
4452 (FAKE_CALL_REGNO): Rename to...
4453 (GOT_VERSION_REGNUM): ...this.
4454 (type): Add "ghost" value. Add an associated insn reservation.
4455 (hazard_set): Remove.
4456 (exception_receiver): Rename to...
4457 (restore_gp): ...this and update the unspec identifier accordingly.
4458 (exception_receiver, nonlocal_got_receiver): New expanders.
4459 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
4460 FAKE_CALL_REGNO. Remove hazard_set attribute.
4461 (set_got_version, update_got_version): New patterns.
4463 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
4466 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
4468 2008-01-25 Joseph Myers <joseph@codesourcery.com>
4471 * doc/install.texi2html: Generate gcc-vers.texi.
4473 2008-01-25 DJ Delorie <dj@redhat.com>
4475 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4477 2008-01-25 Joseph Myers <joseph@codesourcery.com>
4479 * config/c4x: Remove directory.
4480 * config.gcc (crx-*, mt-*): Mark obsolete.
4481 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
4482 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
4483 sh-*-rtemscoff*): Remove cases.
4484 * defaults.h (C4X_FLOAT_FORMAT): Remove.
4485 * real.c (encode_c4x_single, decode_c4x_single,
4486 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
4487 c4x_extended_format): Remove.
4488 * real.h (c4x_single_format, c4x_extended_format): Remove.
4489 * doc/extend.texi (interrupt, naked): Remove mention of attributes
4491 (Pragmas): Remove comment about c4x pragmas.
4492 * doc/install.texi (c4x): Remove target-specific instructions.
4493 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
4494 * doc/md.texi (Machine Constraints): Remove C4x documentation.
4495 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
4496 refer to C4x source files as examples.
4497 (C4X_FLOAT_FORMAT): Remove documentation.
4499 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
4501 * config/bfin/bfin.c (override_options): Reorder tests so that
4502 flag_pic gets enabled for -msep-data.
4504 2008-01-25 Richard Guenther <rguenther@suse.de>
4507 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
4508 to its bitfield precision if required.
4510 2008-01-25 Jakub Jelinek <jakub@redhat.com>
4513 * tree-nested.c (walk_omp_for): New function.
4514 (convert_nonlocal_reference, convert_local_reference): Call
4515 walk_omp_for on OMP_FOR.
4516 (convert_call_expr): Call walk_body on OMP_FOR's
4517 OMP_FOR_PRE_INIT_BODY.
4519 2008-01-25 Richard Guenther <rguenther@suse.de>
4521 PR tree-optimization/34966
4522 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
4523 default defs and PHI_NODEs we have to insert after the
4526 2008-01-24 Nick Clifton <nickc@redhat.com>
4528 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
4529 Provide a default definition.
4530 (LIBGCC2_UNITS_PER_WORD): Likewise.
4532 * config/stormy16/stormy16.c: Include df.h for the prototype
4533 for df_regs_ever_live_p.
4534 (xstormy16_expand_builtin_va_start): Convert the stack offset
4535 into a component_ref and then use POINTER_PLUS_EXPR to add it
4536 to the incoming_virtual_args_rtx.
4537 (xstormy16_gimplify_va_arg_expr): Rename to
4538 xstormy16_gimplify_va_arg_expr.
4539 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
4540 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
4541 xstormy16_gimplify_va_arg_expr.
4542 Fix up some formatting issues.
4544 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
4545 Move to predicates.md.
4546 (xs_hi_general_operand): Likewise.
4547 (xs_hi_nonmemory_operand): Likewise.
4548 * config/stormy16/predicates.md:
4549 (xstormy16_carry_plus_operand): New predicate.
4550 (xs_hi_general_operand): New predicate.
4551 (xs_hi_nonmemory_operand): New predicate.
4552 * config/stormy16/stormy16-protos.h:
4553 (xstormy16_carry_plus_operand): Delete prototype.
4554 (xs_hi_general_operand): Likewise.
4555 (xs_hi_nonmemory_operand): Likewise.
4557 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
4558 modifiers as they are no longer needed and they can trigger
4559 reload spill failures.
4561 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
4562 with a match_operand in order to help reload.
4564 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
4565 constraint with 'e' for the 8th alternative as this version of
4566 the mov.w instruction only accepts the lower 8 registers.
4568 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
4571 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
4572 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
4575 2008-01-25 Jakub Jelinek <jakub@redhat.com>
4578 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
4580 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
4582 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
4584 (remove_structure): Update allocations list before removing structure.
4586 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
4588 * ipa-struct-reorg.c (is_safe_cond_expr,
4589 create_new_stmts_for_cond_expr): Use integer_zerop function,
4590 that recognize not only zero-pointer, but zero-integer too.
4592 2008-01-25 Ben Elliston <bje@au.ibm.com>
4595 * fixproto: Escape "." in sed expression that strips leading "./".
4597 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
4600 * gcc.c (SWITCH_OK): Removed.
4601 (SWITCH_LIVE): Changed to bit.
4602 (SWITCH_FALSE): Likewise.
4603 (SWITCH_IGNORE): Likewise.
4604 (switchstr): Change live_cond to unsigned int.
4605 (process_command): Replace SWITCH_OK with 0.
4606 (do_self_spec): Likewise.
4607 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
4608 (give_switch): Likewise.
4609 (used_arg): Likewise.
4610 (do_spec_1): Set the SWITCH_IGNORE bit.
4611 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
4612 bits. Set the SWITCH_LIVE bit.
4614 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
4616 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
4618 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
4620 PR tree-optimization/34472
4621 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
4622 parameter to a "bool *" and set *DATA to false if there is
4623 an unsafe access. Do not delete the structure here.
4624 (check_cond_exprs): Delete it here instead.
4625 (check_cond_exprs, exclude_cold_structs): Do not increase
4626 I when removing a structure.
4628 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
4631 * config/i386/i386.c (ix86_expand_vector_init): Consider only
4632 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
4634 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
4637 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
4638 a fixed vector for stack.
4640 2008-01-24 Ben Elliston <bje@au.ibm.com>
4643 * doc/gcc.texi (Software development): Add a direntry for g++.
4645 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
4647 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
4648 stale and straggling -fforce-addr comments above.
4650 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
4652 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
4653 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
4655 2008-01-23 Michael Matz <matz@suse.de>
4658 * dwarf2out.c (force_type_die): Use modified_type_die instead of
4661 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
4663 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
4666 2008-01-23 Anatoly Sokolov <aesok@post.ru>
4668 * config/avr/avr.c (avr_current_arch): New variable.
4669 (avr_arch_types): Add 'avr31' and 'avr51' entries.
4670 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
4671 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
4672 (avr_override_options): Init 'avr_current_arch'.
4673 (base_arch_s): Move from here...
4674 * config/avr/avr.h (base_arch_s): ... here. Add new members
4675 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
4676 'mega' to 'have_jmp_call'.
4677 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
4678 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
4680 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
4682 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
4683 MULTILIB_MATCHES): (Ditto.).
4685 2008-01-23 Richard Guenther <rguenther@suse.de>
4688 * cgraphunit.c (cgraph_reset_node): Always mark the node
4689 not reachable if it is not queued already.
4691 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
4693 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
4694 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
4695 (cputype_selected): New static variable.
4696 (bfin_handle_option): Set it if -mcpu is used.
4697 (override_option): Select default set of workarounds if no cpu type
4698 selected on the command line.
4699 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
4701 From Michael Frysinger <michael.frysinger@analog.com>
4702 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
4703 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
4705 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
4706 for bf547, bf523, bf524, and bf526.
4707 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
4709 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4710 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
4711 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
4712 __ADSPBF547__ and __ADSPBF54x__ for bf547.
4713 * doc/invoke.texi (Blackfin Options): Document that
4714 -mcpu now accept bf547, bf523, bf524, and bf526.
4716 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
4718 PR rtl-optimization/34628
4719 * combine.c (try_combine): Stop and undo after the first combination
4720 if an autoincrement side-effect on the first insn has effectively
4723 2008-01-22 David Edelsohn <edelsohn@gnu.org>
4726 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
4727 Offset addresses are not valid for Altivec or paired float modes.
4729 2008-01-22 Jakub Jelinek <jakub@redhat.com>
4732 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
4733 if DECL_INITIAL (decl) is error_mark_node.
4736 * c-common.c (handle_vector_size_attribute): Only allow
4737 integral, scalar float and fixed point types. Handle OFFSET_TYPE
4738 the same way as pointer, array etc. types.
4739 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
4742 * tree.c (build_type_attribute_qual_variant): Call
4743 build_qualified_type if attributes are equal, but quals are not.
4745 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4748 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
4749 * flags.h (warn_strict_aliasing): Remove.
4750 (warn_strict_overflow): Remove.
4751 * opts.c (warn_strict_aliasing): Remove.
4752 (warn_strict_overflow): Remove.
4753 * c-opts.c (c_common_handle_option): -Wall only sets
4754 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
4755 (c_common_post_options): Give default values to -Wstrict-aliasing
4756 and -Wstrict-overflow if they are uninitialized.
4757 * common.opt (Wstrict-aliasing): Specify Var and Init.
4758 (Wstrict-overflow): Likewise.
4760 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4762 PR rtl-optimization/26854
4763 PR rtl-optimization/34400
4764 PR rtl-optimization/34884
4765 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
4767 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
4768 (df_rd_bb_info.expanded_lr_out): Deleted
4769 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
4770 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
4771 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4772 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4773 Removed code to allocate, initialize or free expanded_lr_out.
4774 (df_rd_bb_local_compute_process_def): Restructured to make more
4776 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
4777 sets if the sets are being trimmed.
4779 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
4782 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
4783 (as_vers): Likewise.
4784 * configure: Regenerated.
4786 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4789 * tree-pass.h (pass_build_alias): New pass.
4790 * tree-ssa-alias.c (gate_build_alias): New.
4791 (pass_build_alias): New.
4792 * passes.c (init_optimization_passes): Add pass_build_alias after
4793 pass_create_structure_vars.
4795 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
4797 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
4798 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
4799 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
4800 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
4801 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
4802 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
4803 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
4804 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
4805 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
4806 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
4807 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
4808 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
4809 * config/s390/s390.md (FP_ALL): New mode iterator.
4810 (_d): New mode attribute.
4811 ("*signbit<mode>2>"): Changed mode of first operand.
4812 ("isinf<mode>2"): Changed mode of first operand.
4813 ("*TDC_insn"): Adaptation for DFP modes.
4815 2008-01-22 Ben Elliston <bje@au.ibm.com>
4817 * tree.c (check_qualified_type): Improve function description.
4819 2008-01-21 Jason Merrill <jason@redhat.com>
4822 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
4823 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
4826 2008-01-21 DJ Delorie <dj@redhat.com>
4828 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
4831 2008-01-21 Richard Guenther <rguenther@suse.de>
4834 * tree-cfg.c (verify_expr): Allow all invariant expressions
4835 instead of just constant class ones as reference argument.
4836 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
4837 like any other constant.
4838 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
4840 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
4842 * regmove.c (fixup_match_1): Update call crossed frequencies.
4844 2008-01-21 Richard Guenther <rguenther@suse.de>
4847 * tree-inline.c (setup_one_parameter): Deal with mismatched
4848 types using a VIEW_CONVERT_EXPR.
4850 2008-01-21 Alon Dayan <alond@il.ibm.com>
4851 Olga Golovanevsky <olga@il.ibm.com>
4853 PR tree-optimization/34701
4854 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
4855 when the structure size is not a power of 2.
4857 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
4859 * doc/install.texi: Add doc for --enable-checking=df.
4861 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
4863 PR rtl-optimization/34808
4864 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
4866 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
4868 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
4871 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4873 PR rtl-optimization/26854
4874 PR rtl-optimization/34400
4875 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
4877 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
4878 (df_rd_bb_info.expanded_lr_out): New.
4879 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
4880 * loop_iv.c (iv_analysis_loop_init): Ditto.
4881 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4882 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4883 Added code to allocate, initialize or free expanded_lr_out.
4884 (df_rd_bb_local_compute_process_def): Restructured to make
4885 more understandable.
4886 (df_rd_confluence_n): Add code to do nothing with fake edges and
4887 code to no apply invalidate_by_call sets if the sets are being trimmed.
4888 (df_lr_local_finalize): Renamed to df_lr_finalize.
4889 (df_live_local_finalize): Renamed to df_live_finalize.
4891 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
4894 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
4895 deciding whether to use reciprocal instructions.
4897 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
4899 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
4900 dwarf2out_note_section_used if cold_text_section is NULL.
4902 2008-01-19 Jakub Jelinek <jakub@redhat.com>
4904 PR gcov-profile/34610
4905 * tree-cfg.c (make_edges): Mark both outgoing edges from
4906 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
4907 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
4908 from OMP_FOR and OMP_CONTINUE outgoing edges.
4910 * tree-profile.c (tree_profiling): Return early if
4911 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
4913 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
4914 from cfun to child_cfun.
4915 * function.h (struct function): Add after_tree_profile bit.
4917 2008-01-19 Anatoly Sokolov <aesok@post.ru>
4919 * config/avr/avr.S (_exit): Disable interrupt.
4921 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
4922 Steven Bosscher <stevenb.gcc@gmail.com>
4924 PR rtl-optimization/26854
4925 PR rtl-optimization/34400
4926 * df-problems.c (df_live_scratch): New scratch bitmap.
4927 (df_live_alloc): Allocate df_live_scratch when doing df_live.
4928 (df_live_reset): Clear the proper bitmaps.
4929 (df_live_bb_local_compute): Only process the artificial defs once
4930 since the order is not important.
4931 (df_live_init): Init the df_live sets only with the variables
4932 found live by df_lr.
4933 (df_live_transfer_function): Use the df_lr sets to prune the
4934 df_live sets as they are being computed.
4935 (df_live_free): Free df_live_scratch.
4937 2008-01-18 Ian Lance Taylor <iant@google.com>
4939 * common.opt: Add fmerge-debug-strings.
4940 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
4941 flag_merge_debug_strings rather than flag_merge_constants.
4942 * doc/invoke.texi (Option Summary): Mention
4943 -fmerge-debug-strings.
4944 (Debugging Options): Document -fmerge-debug-strings.
4946 2008-01-18 Ian Lance Taylor <iant@google.com>
4949 * tree.h (DECL_IS_OPERATOR_NEW): Define.
4950 (struct tree_function_decl): Add new field operator_new_flag.
4951 * tree-inline.c (expand_call_inline): When inlining a call to
4952 operator new, force the return value to go into a variable, and
4953 set DECL_NO_TBAA_P on that variable.
4954 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
4956 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
4959 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
4960 DWARF2_DEBUGGING_INFO.
4961 (dwarf2out_note_section_used): Ditto. Add prototype.
4962 (have_multiple_function_sections, text_section_used,
4963 cold_text_section_used, *cold_text_sections): Move declarations
4966 2008-01-17 Bob Wilson <bob.wilson@acm.org>
4968 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
4969 field and add signal_ra.
4970 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
4971 assignments to frame state pc. Move end of stack check after
4972 MD_FALLBACK_FRAME_STATE_FOR.
4973 (uw_update_context_1): Use frame state signal_regs if set, instead
4974 of checking signal_frame flag.
4975 (uw_update_context): Use frame state signal_ra if set.
4976 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
4977 * config/xtensa/linux-unwind.h: New file.
4979 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
4981 * modulo-sched.c (get_sched_window): Fix comment typo.
4983 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
4985 PR tree-optimization/34648
4986 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
4988 2008-01-17 Anatoly Sokolov <aesok@post.ru>
4990 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
4991 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
4993 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
4995 PR rtl-optimization/34400
4996 * df-core.c (df_worklist_dataflow_overeager,
4997 df_worklist_dataflow_doublequeue): New functions.
4998 (df_worklist_dataflow): Two different worklist solvers.
4999 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
5002 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
5005 * doc/invoke.texi: Document the dependence on pthread for fopenmp
5006 and ftree-parallelize-loops.
5008 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
5010 PR rtl-optimization/34826
5011 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
5013 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
5015 * global.c (find_reg): Mark the eh regs as used if necessary.
5016 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
5017 * ra.h (struct allocno): no_eh_reg field added. Changed
5018 no_stack_reg type to bitfield.
5020 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
5022 * tree.c (substitute_in_expr): Add missing 'break'.
5024 2008-01-17 Richard Guenther <rguenther@suse.de>
5026 PR tree-optimization/34825
5027 * tree-ssa-math-opts.c (is_division_by): Do not recognize
5028 x / x as division to handle.
5030 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5032 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
5033 "-pthread" is specified.
5034 * pa-hpux11.h (LIB_SPEC): Likewise.
5036 2008-01-16 Janis Johnson <janis187@us.ibm.com>
5037 Peter Bergner <bergner@vnet.ibm.com>
5039 PR rtl-optimization/33796
5040 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
5042 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5044 PR libgfortran/34699
5045 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
5047 * pa-hpux10.h (LINK_SPEC): Likewise.
5048 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
5050 2008-01-16 Richard Guenther <rguenther@suse.de>
5053 * fold-const.c (fold_convert_const_int_from_int): Do not
5054 set overflow if that occured only because of a sign extension
5055 change when converting from/to a sizetype with the same
5056 precision and signedness.
5058 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
5061 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
5062 location address to the correct place. Update copyright year.
5064 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
5066 * lambda-code.c (lambda_transform_legal_p): Handle the case of
5067 no dependences in the dependence_relations vector.
5069 2008-01-16 Jan Hubicka <jh@suse.cz>
5071 PR rtl-optimization/31396
5072 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
5073 * cfg.c (dump_reg_info): Print it.
5074 * regs.h (struct reg_info_t): add freq_calls_crossed.
5075 (REG_FREQ_CALLS_CROSSED): New macro.
5076 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
5077 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
5078 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
5079 regmove_optimize): Update call crossed frequencies.
5080 * local-alloc.c (struct qty): Add freq_calls_crossed.
5081 (alloc_qty): Copute freq_calls_crossed.
5082 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
5083 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
5084 * ra.h (struct allocno): Add freq_calls_crossed.
5086 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
5088 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
5089 libgomp when compiling with ftree-parallelize-loops.
5090 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
5092 2008-01-16 Richard Guenther <rguenther@suse.de>
5094 PR tree-optimization/34769
5095 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
5096 * tree.c (int_cst_value): Instead make this function more
5097 permissive in what it accepts as valid input. Document this
5098 function always sign-extends the value.
5100 2008-01-16 Jakub Jelinek <jakub@redhat.com>
5101 Richard Guenther <rguenther@suse.de>
5104 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
5105 (gimple_fold_indirect_ref_rhs): ... this.
5106 (gimple_fold_indirect_ref): New function with foldings
5107 that preserve lvalueness.
5108 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
5109 * tree-flow.h (gimple_fold_indirect_ref): Declare.
5110 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
5111 to fold an INDIRECT_REF, fall back to the old use of
5112 fold_indirect_ref_1.
5114 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
5116 * tree-data-ref.c (subscript_dependence_tester_1): Call
5117 free_conflict_function.
5118 (compute_self_dependence): Same.
5120 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
5123 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
5124 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
5126 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
5127 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
5128 for DWARF2_UNWIND_INFO targets.
5130 2008-01-16 Richard Guenther <rguenther@suse.de>
5133 * c-typeck.c (common_pointer_type): Do not merge inconsistent
5134 type qualifiers for function types.
5136 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
5138 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
5139 loop_iterator li from previous commit.
5141 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
5143 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
5145 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
5147 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
5148 (parallelize_loops): Don't parallelize irreducible components.
5150 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5153 * c-opts (c_common_post_options): Do not enable CPP
5154 flag_pedantic_errors by default.
5156 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
5158 PR rtl-optimization/31944
5159 * cse.c (remove_pseudo_from_table): New function.
5160 (merge_equiv_classes): Use above function to remove pseudo-registers.
5161 (invalidate): Likewise.
5163 2008-01-13 Richard Guenther <rguenther@suse.de>
5166 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
5167 instead of TYPE_MODE to deal with calls from expand_one_error_var.
5169 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
5171 * gcse.c (cprop_jump): Call validate_unshare_change instead of
5172 validate_change to unshare the source of the PC set.
5174 2008-01-12 Jan Hubicka <jh@suse.cz>
5177 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
5178 references above array bounds. This might trigger bounds checks for
5181 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
5183 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
5184 new_replaceable_dependencies.
5186 2008-01-12 Doug Kwan <dougkwan@google.com>
5188 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
5189 instead of OPT_Wreturn_type in warning due to ignored return type
5191 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
5192 options included in -Wextra.
5193 * c.opt: New option -Wignored_qualifiers.
5194 * doc/invoke.texi (Warning Options, -Wextra): Add new option
5195 -Wignore_qualifiers.
5196 (-Wignored-qualifiers): Document.
5197 (-Wreturn-type): Remove description of functionality now handled
5198 by -Wignored-qualifiers.
5200 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
5203 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
5204 NOP_EXPR if it is between integral types with the same precision.
5206 2008-01-12 Jan Hubicka <jh@suse.cz>
5209 * invoke.texi (max-inline-recursive-depth): Fix default value.
5211 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
5213 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
5216 2008-01-11 Bob Wilson <bob.wilson@acm.org>
5218 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
5220 2008-01-11 James E. Wilson <wilson@specifix.com>
5223 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
5225 2008-01-11 Anatoly Sokolov <aesok@post.ru>
5227 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
5228 save/restore frame pointer register and don't use 'call-prologues'
5229 optimization in function with "OS_task" attribute.
5231 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
5234 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
5235 when copying to memory.
5237 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
5239 PR rtl-optimization/30905
5240 * cfgcleanup.c: Include dce.h
5241 (crossjumps_occured): New global variable.
5242 (try_crossjump_bb): Exit loop after finding a fallthru edge.
5243 If something changed, set crossjumps_occured to true.
5244 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
5245 Don't add/remove fake edges to exit here...
5246 (cleanup_cfg): ...but do it here, when crossjumping.
5247 Run a fast DCE when successful crossjumps occured in the latest
5248 iteration of try_optimize_cfg.
5250 2008-01-11 Richard Guenther <rguenther@suse.de>
5252 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
5253 (struct vn_unary_op_s): Likewise.
5254 (vn_reference_insert): Free old reference on hash collision.
5256 2008-01-10 Raksit Ashok <raksit@google.com>
5258 PR rtl-optimization/27971
5259 * combine.c (find_split_point): Split PLUS expressions which are
5260 inside a MEM rtx, and whose first operand is complex.
5262 2008-01-10 DJ Delorie <dj@redhat.com>
5264 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
5265 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
5266 (m32c_hard_regno_ok): Call the underlying function.
5268 2008-01-10 Richard Guenther <rguenther@suse.de>
5271 * tree-cfg.c (tree_merge_blocks): Do not go through the
5272 full-blown folding and stmt updating path if we just deal
5273 with virtual operands.
5274 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
5275 test for abnormal SSA_NAMEs.
5277 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
5280 * reload.c (push_reload): Add assertions. All constants from
5281 reg_equiv_constant should have been used for replacing the respective
5283 (find_reloads_address): Invoke find_reloads_address_part for
5284 constant taken from the reg_equiv_constant array.
5286 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
5288 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
5289 field (valnum) the first in the struct. Replace bools with
5292 2008-01-10 Richard Guenther <rguenther@suse.de>
5294 PR tree-optimization/34651
5295 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
5296 types and ordering for masking and converting.
5298 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
5300 PR tree-optimization/34017
5301 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
5302 also for PHI_NODE expressions.
5304 2008-01-09 Jan Hubicka <jh@suse.cz>
5306 PR tree-optimization/34708
5307 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
5308 based on number of case labels.
5309 (init_inline_once): Remove switch_cost.
5310 * tree-inline.h (eni_weights_d): Remove switch_cost.
5312 2008-01-09 Richard Guenther <rguenther@suse.de>
5313 Andrew Pinski <andrew_pinski@playstation.sony.com>
5316 * gimplify.c (gimplify_cond_expr): Do not create an addressable
5317 temporary if an rvalue is ok or an lvalue is not required.
5319 2008-01-09 Richard Guenther <rguenther@suse.de>
5322 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
5325 2008-01-09 Richard Guenther <rguenther@suse.de>
5328 * tree.c (host_integerp): Check for sizetype only if the
5329 type is an integer type.
5331 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
5334 * opts.c (decode_options): Disable inlining of functions called
5335 once if not in unit-at-a-time mode.
5337 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
5339 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
5341 2008-01-08 Richard Guenther <rguenther@suse.de>
5344 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
5345 out early if the result will be unused.
5347 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
5352 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
5353 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5356 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
5358 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
5359 for vectorization tuned.
5361 2008-01-08 Richard Guenther <rguenther@suse.de>
5363 PR tree-optimization/34683
5364 * tree-ssa-operands.c (operand_build_cmp): Export.
5365 * tree-ssa-operands.h (operand_build_cmp): Declare.
5366 * tree-vn.c (vuses_compare): Remove.
5367 (sort_vuses): Use operand_build_cmp.
5368 (sort_vuses_heap): Likewise.
5369 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
5370 to re-use old VEC if available. Do not sort already sorted VUSEs.
5371 (vdefs_to_vec): Do not sort already sorted VDEFs.
5373 2008-01-08 Jakub Jelinek <jakub@redhat.com>
5376 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
5378 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
5381 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
5382 limitations of reciprocal sequences on x86 targets.
5384 2008-01-08 Richard Guenther <rguenther@suse.de>
5386 PR tree-optimization/34683
5387 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
5389 2008-01-07 Jakub Jelinek <jakub@redhat.com>
5392 * config/darwin.c (darwin_mergeable_string_section): Don't use
5393 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
5395 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
5398 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
5399 negxf2. Macroize expander using X87MODEF mode iterator. Change
5400 predicates of op0 and op1 to register_operand.
5401 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
5402 expander using X87MODEF mode iterator. Change predicates of
5403 op0 and op1 to register_operand.
5404 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
5405 corresponding patterns and macroize using MODEF macro. Change
5406 predicates of op0 and op1 to register_operand and remove
5407 "m" constraint. Disparage "r" alternative with "!".
5408 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
5409 macroize using X87MODEF macro. Change predicates of op0 and op1
5410 to register_operand and remove "m" constraint. Disparage "r"
5411 alternative with "!".
5412 (absneg splitter with memory operands): Remove.
5413 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
5414 patterns and macroize using X87MODEF mode iterator.
5415 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
5416 Change predicate of op1 to register_operand.
5417 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
5418 for memory operands.
5420 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
5422 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
5424 2008-01-07 Richard Guenther <rguenther@suse.de>
5426 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
5429 2008-01-07 Richard Guenther <rguenther@suse.de>
5431 PR tree-optimization/34683
5432 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
5433 VOPs of the needed size to save memory. Use VEC_quick_push
5434 to save compile-time.
5435 (vdefs_to_vec): Likewise.
5437 2008-01-07 Sa Liu <saliu@de.ibm.com>
5439 * config/spu/spu.md (divdf3): Genetate inline code for double
5440 division. The implementation doesn't handle INF or NAN, therefore it
5441 only applies when -ffinite-math-only is given.
5443 2008-01-06 Paolo Carlini <pcarlini@suse.de>
5446 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
5447 * doc/cpp.texi ([Common Predefined Macros]): Document.
5449 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
5451 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
5452 order to use commutative addition instead of subtraction.
5454 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
5455 Mircea Namolaru <namolaru@il.ibm.com>
5456 Vladimir Yanovsky <yanov@il.ibm.com>
5457 Revital Eres <eres@il.ibm.com>
5459 PR tree-optimization/34263
5460 * tree-outof-ssa.c (process_single_block_loop_latch,
5461 contains_tree_r): New functions.
5462 (analyze_edges_for_bb): Call process_single_block_loop_latch
5463 function to empty single-basic-block latch block if possible.
5465 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
5467 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5469 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
5471 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
5473 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
5475 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
5477 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
5479 2008-01-05 Jakub Jelinek <jakub@redhat.com>
5481 PR tree-optimization/34618
5482 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
5485 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
5488 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
5489 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
5490 Update copyright year.
5492 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
5493 Update copyright year.
5494 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
5497 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
5499 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
5500 edge does not point to current bb before changing need_assert.
5502 2008-01-04 Richard Guenther <rguenther@suse.de>
5505 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
5506 for verifying purposes if they are is_gimple_min_invariant.
5508 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
5510 PR tree-optimization/34448
5511 PR tree-optimization/34465
5512 * gimplify.c (gimplify_init_constructor): Add new parameter
5513 notify_temp_creation. Use it.
5514 (gimplify_modify_expr_rhs): Take volatiles into account when
5515 optimizing constructors.
5516 Do not optimize constructors if gimplify_init_constructor will dump to
5518 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
5519 * gcc.c-torture/compile/pr34448.c: New.
5521 2008-01-04 Jakub Jelinek <jakub@redhat.com>
5523 PR gcov-profile/34609
5524 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
5525 return_slot if result is TREE_ADDRESSABLE.
5527 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
5529 * config/mips/mips.md (sqrt_condition): Tweak comment.
5530 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
5532 2008-01-03 Tom Tromey <tromey@redhat.com>
5535 * c-common.c (c_type_hash): Handle VLAs.
5537 2008-01-03 Jan Hubicka <jh@suse.cz>
5539 PR tree-optimization/31081
5540 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
5541 0 when inlining and not inlining to first basic block.
5542 (remap_decl): When var is initialized to 0, don't set default_def.
5543 (expand_call_inline): Set entry_bb.
5544 * tree-inline.h (copy_body_data): Add entry_bb.
5546 2008-01-03 Jakub Jelinek <jakub@redhat.com>
5549 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
5552 PR tree-optimization/29484
5553 * tree-inline.c (inline_forbidden_p_2): New function.
5554 (inline_forbidden_p): Disallow inlining if some static var
5555 has an address of a local LABEL_DECL in its initializer.
5556 * doc/extend.texi (Labels as Values): Document &&foo behaviour
5559 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
5561 PR tree-optimization/34635
5562 * tree-data-ref.c (add_other_self_distances): Make sure that the
5563 evolution step is constant.
5565 2008-01-03 Jakub Jelinek <jakub@redhat.com>
5568 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
5570 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
5572 * tree-sra.c (scalarize_init): Insert the generate_element_init
5573 statements after the generate_element_zero statements.
5575 2008-01-02 Richard Guenther <rguenther@suse.de>
5579 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
5580 for very large number of operands instead of ICEing.
5582 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
5585 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
5586 while stack probing.
5588 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
5590 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
5593 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
5596 * tree-mudflap.c (mx_register_decls): Guard warning by
5597 !DECL_ARTIFICIAL check.
5599 2008-01-01 Jakub Jelinek <jakub@redhat.com>
5601 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
5602 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
5603 sse5_perm<mode>): Fix constraints.