| blob | 8efd317842efd839f15cb6351be0c797cc177cb2 |
1 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
3 * expr.c (expand_var): Delete it.
4 * expr.h (expand_var): Delete prototype.
5 * function.c (expand_function_start): Use expand_decl instead.
6 * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
7 langhook.
9 2008-04-02 Andy Hutchinson <hutchinsonamdy@aim.com>
11 PR rtl-optimization/35542
12 * fwprop.c (forward_propagate_and_simplify): Replace
13 loc_reg_mentioned_in_p with reg_mentioned_p.
15 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
17 PR rtl-optimization/35281
18 * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
19 (propagate_rtx_1): Handle PR_HANDLE_MEM.
20 (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
21 (varying_mem_p): Move above propagate_rtx.
22 (all_uses_available_at): Do not check MEMs.
24 2008-04-02 Rafael Espindola <espindola@google.com>
26 * tree-vrp.c (extract_code_and_val_from_cond): Remove.
27 (register_edge_assert_for_2): Split the cond argument.
28 (register_edge_assert_for_1): Adjust for the change in
29 register_edge_assert_for_2.
30 (register_edge_assert_for): Split the cond argument.
31 (find_switch_asserts): Adjust for the change in
32 register_edge_assert_for.
34 2008-04-02 Kai Tietz <kai.tietz@onevision.com>
36 * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
37 * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
38 offsets for 64-bit mingw.
39 * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
40 abi for x86_64-pc-mingw.
42 2008-04-02 Richard Guenther <rguenther@suse.de>
44 * tree-vrp.c (extract_range_from_assert): Make sure to not
45 produce range min/max with TREE_OVERFOW set.
46 If merging a anti-range and a range keep the anti-range if
47 the range covers all values of the type.
48 (register_edge_assert_for_2): Only allow sign-changing
49 conversions in detecting canonical range checks. Also
50 register an assert for the unsigned name if useful.
52 PR tree-optimization/35787
53 * tree-vrp.c (vrp_val_max): New function.
54 (vrp_val_min): Likewise.
55 (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
56 (vrp_val_is_min): Likewise.
57 (supports_overflow_infinity): Use vrp_val_{min,max}.
58 (negative_overflow_infinity): Likewise.
59 (positive_overflow_infinity): Likewise.
60 (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
61 (is_positive_overflow_infinity): Likewise.
62 (is_overflow_infinity): Likewise.
63 (avoid_overflow_infinity): Use vrp_val_{min,max} and
64 vrp_val_is_{min,max}.
65 (set_and_canonicalize_value_range): Canonicalize anti-ranges
66 to ranges if possible. Avoid empty ranges.
68 2008-04-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
70 PR middle-end/35705
71 * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
72 the expression is a function address.
74 2008-04-01 George Helffrich <george@gcc.gnu.org>
76 PR fortran/PR35154, fortran/PR23057
77 * fortran/trans-common.c (create_common): Add decl to function
78 chain to preserve identifier scope in debug output.
80 * dbxout.c: Emit .stabs debug info for Fortran COMMON block
81 variables as base symbol name + offset using N_BCOMM/N_ECOMM.
82 (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
83 (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
84 in common.
85 (dbxout_syms): Check for COMMON-based symbol and wrap in
86 N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
87 in bracket for efficiency.
89 * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
90 using DW_TAG_common_block + member offset.
91 (add_pubname_string): New function.
92 (dw_expand_expr): New function to find block name and offset for
93 COMMON var.
94 (common_check): New function to check whether symbol in Fortran COMMON.
95 (gen_variable_die): If COMMON, use DW_TAG_common_block.
97 * testsuite/gcc.dg/debug/pr35154.c: New test to check that non-Fortran
98 use of common is unchanged.
100 * testsuite/lib/gfortran-dg.exp: New harness to compile Fortran progs
101 with all combinations of debug options available on target.
102 * testsuite/gfortran.dg/debug/debug.exp: Ditto.
103 * testsuite/gfortran.dg/debug/trivial.f: Ditto.
104 * testsuite/gfortran.dg/debug/pr35154-stabs.f: New test case for
105 .stabs functionality.
106 * testsuite/gfortran.dg/debug/pr35154-dwarf2.f: New test case for
107 DWARF functionality.
109 2008-04-01 Volker Reichelt <v.reichelt@netcologne.de>
111 PR c/35436
112 * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
114 2008-04-02 Ben Elliston <bje@au.ibm.com>
116 * config/v850/v850.md (casesi): Remove if (0) code.
117 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
118 * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
120 2008-04-01 Uros Bizjak <ubizjak@gmail.com>
122 * config/i386/i386.md (rex64suffix): New mode attribute.
123 (floathi<mode>2): Disable expander for SSE math.
124 (*floathi<mode>2_1): New insn insn_and_split pattern.
125 (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
126 corresponding post-reload splitters.
127 (*floathi<mode>2_i387): New macroized insn pattern.
128 (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
129 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
130 insn_and_split pattern.
131 (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
132 New macroized instruction patterns and corresponding post-reload
133 splitters.
134 (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
135 and corresponding post-reload splitters.
136 (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
137 New macroized instruction patterns.
138 (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
139 macroized instruction patterns and corresponding post-reload splitters.
140 (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
141 corresponding post-reload splitters.
142 (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
143 New macroized instruction patterns.
144 (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
145 corresponding post-reload splitters.
146 (*floatsi<mode>2_i387): New macroized instruction patterns.
148 2008-04-01 H.J. Lu <hongjiu.lu@intel.com>
150 * config/i386/i386.md (smaxmin): New.
151 (umaxmin): Likewise.
152 (maxminiprefix): Likewise.
153 (maxminfprefix): Likewise.
154 (<code><mode>3): Likewise.
155 (smin<mode>3): Removed.
156 (smax<mode>3): Likewise.
158 * config/i386/mmx.md (mmx_<code>v2sf3): New.
159 (mmx_<code>v4hi3): Likewise.
160 (mmx_<code>v8qi3): Likewise.
161 (mmx_smaxv2sf3): Removed.
162 (mmx_sminv2sf3): Likewise.
163 (mmx_umaxv8qi3): Likewise.
164 (mmx_smaxv4hi3): Likewise.
165 (mmx_uminv8qi3): Likewise.
166 (mmx_sminv4hi3): Likewise.
168 * config/i386/sse.md (<addsub><mode>3): New.
169 (*<addsub><mode>3): Likewise.
170 (<sse>_vm<addsub><mode>3): Likewise.
171 (<maxmin><mode>3): Likewise.
172 (*<maxmin><mode>3_finite): Likewise.
173 (*<maxmin><mode>3): Likewise.
174 (<sse>_vm<maxmin><mode>3): Likewise.
175 (sse3_h<addsub>v4sf3): Likewise.
176 (sse3_h<addsub>v2df3): Likewise.
177 (<maxmin>v16qi3): Likewise.
178 (*<maxmin>v16qi3): Likewise.
179 (<maxmin>v8hi3): Likewise.
180 (*<maxmin>v8hi3): Likewise.
181 (*sse4_1_<maxmin><mode>3): Likewise.
182 (*sse4_1_<maxmin><mode>3): Likewise.
183 (add<mode>3): Removed.
184 (*add<mode>3): Likewise.
185 (<sse>_vmadd<mode>3): Likewise.
186 (sub<mode>3): Likewise.
187 (*sub<mode>3): Likewise.
188 (<sse>_vmsub<mode>3): Likewise.
189 (smin<mode>3): Likewise.
190 (*smin<mode>3_finite): Likewise.
191 (*smin<mode>3): Likewise.
192 (<sse>_vmsmin<mode>3): Likewise.
193 (smax<mode>3): Likewise.
194 (*smax<mode>3_finite): Likewise.
195 (*smax<mode>3): Likewise.
196 (<sse>_vmsmax<mode>3): Likewise.
197 (sse3_haddv4sf3): Likewise.
198 (sse3_haddv2df3): Likewise.
199 (sse3_hsubv4sf3): Likewise.
200 (sse3_hsubv2df3): Likewise.
201 (umaxv16qi3): Likewise.
202 (*umaxv16qi3): Likewise.
203 (smaxv8hi3): Likewise.
204 (*smaxv8hi3): Likewise.
205 (*sse4_1_smax<mode>3): Likewise.
206 (*sse4_1_umax<mode>3): Likewise.
207 (uminv16qi3): Likewise.
208 (*uminv16qi3): Likewise.
209 (sminv8hi3): Likewise.
210 (*sminv8hi3): Likewise.
211 (*sse4_1_smin<mode>3): Likewise.
212 (*sse4_1_umin<mode>3): Likewise.
214 2008-04-01 Rafael Espindola <espindola@google.com>
216 * tree-cfg.c (verify_expr): remove in_phi.
217 (verify_stmt): Don't call walk_tree with verify_expr. Use
218 is_gimple_min_invariant instead of is_gimple_val.
220 2008-04-01 Joseph Myers <joseph@codesourcery.com>
222 * doc/include/gpl_v3.texi: Update for manpage generation.
223 * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
224 gpl.texi.
225 * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
226 * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
227 gpl_v3.texi instead of gpl.texi.
228 (gpl.pod): New.
230 2008-04-01 Jakub Jelinek <jakub@redhat.com>
232 PR pch/13675
233 * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
235 2008-04-01 Rafael Espindola <espindola@google.com>
237 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
238 (extract_code_and_val_from_cond): Use
239 extract_code_and_val_from_cond_with_ops.
241 2008-04-01 Jan Hubicka <jh@suse.cz>
243 * function.c (free_after_compilation): Free epilogue_delay_list.
244 (prepare_function_start): Assert that previous compilation was freed.
246 2008-04-01 Jan Hubicka <jh@suse.cz>
247 Jim Wilson <wilson@tuliptree.org>
248 Andreas Tobler <andreast@gcc.gnu.org>
250 PR middle-end/35781
251 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
252 rtl.emit instead cfun->emit.
253 * sparc/sparc.h (INIT_EXPANDERS): Likewise.
254 * ia64/ia64.h (INIT_EXPANDERS): Likewise.
256 2008-04-01 Ben Elliston <bje@au.ibm.com>
258 * doc/c-tree.texi (Function Basics): Fix grammatical error.
260 2008-03-31 Seongbae Park <seongbae.park@gmail.com>
262 * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
263 New options
264 (fprofile-use): Add var flag_profile_use
265 * coverage.c (coverage_begin_output): Do not open a gcno file for
266 output only if -ftest-coverage is set.
267 Do not add getpwd() to gcda file path.
268 (build_gcov_info): Check the new flag
269 flag_profile_datafile_relative_path.
270 (coverage_init): Use profile_data_prefix.
271 Read profile counter only if flag_profile_use is set.
272 * opts.c (common_handle_option): New option fprofile-use=,
273 fprofile-dir=, fprofile-generate=.
274 * toplev.c (profile_data_prefix): New variable definition.
275 * toplev.h (profile_data_prefix): New declaration.
276 * doc/invoke.tex (Option Summary, Optimization Options):
277 Add new options.
279 2008-03-31 James E. Wilson <wilson@tuliptree.org>
281 * varasm.c (output_constant_pool_1): In LABEL_REF check,
282 use tmp consistently.
284 PR target/35695
285 * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
286 * config/ia64/ia64.c (rtx_needs_barrier): Handle
287 UNSPEC_FR_RECIP_APPROX_RES.
288 * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
290 2008-03-31 Volker Reichelt <v.reichelt@netcologne.de>
292 PR c/35750
293 * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
295 2008-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
297 PR middle-end/30186
298 * fold-const.c (fold_indirect_ref_1): Support accessing non first
299 element of the vector via a pointer.
301 2008-03-31 Ian Lance Taylor <iant@google.com>
303 * tlink.c (scan_linker_output): Look for symbol name in single quotes.
305 2008-03-31 Jan Hubicka <jh@suse.cz>
307 * builtins.c (expand_builtin_setjmp_receiver): Update call of
308 get_arg_pointer_save_area.
309 * expr.c (init_expr): Just clear out rtl.expr.
310 * function.c (free_after_compilation): Clear out whole RTL structure.
311 (get_func_frame_size): Merge into ...
312 (get_frame_size): ... this one.
313 (assign_stack_local_1): Merge into ...
314 (assign_stack_local): ... this one.
315 (expand_function_end): Update call of get_arg_pointer_save_area.
316 (get_art_pointer_save_area): Remove cfun argument.
317 * function.h (emit_status): regno_pointer_align does not need length
318 attribute. Move x_regno_reg_rtx to ...
319 (regno_reg_rtx): ... new global array.
320 (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
321 (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
322 apply_args_value, forced_labels, stack_pointer_delta):
323 Update accestors.
324 (struct varasm_status): Move here from varasm.c
325 (struct rtl_data): New. Move here some fields from struct function.
326 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
327 frame_offset, stack_check_probe_note, arg_pointer_save_area,
328 used_temp_slots avail_temp_slots, temp_slot_level,
329 nonlocal_goto_handler_labels): Update accesstors.
330 (rtl): New global variable.
331 (struct function): Move some fileds to rtl_data.
332 (get_arg_pointer_save_area): Update prototype.
333 * emit-rtl.c (rtl): Declare.
334 (regno_reg_rtx): Declare.
335 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
336 Update.
337 (gen_reg_rtx): Update.
338 (init_virtual_regs): Do not tate emit_status argument.
339 (init_emit): Do not allocate emit.
340 * varasm.c (varasm_statuc): Move to function.h.
341 (n_deferred_constatns): Update accestor.
342 (init_varasm_status): Do not allocate varasm_status.
343 (force_const_mem, get_pool_size, output_constant_pool): Update.
344 * stmt.c (force_label_rtx): Do not use x_ prefixes.
345 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
347 2008-03-31 Zdenek Dvorak <ook@ucw.cz>
349 PR rtl-optimization/35729
350 * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
351 references.
353 2008-03-31 H.J. Lu <hongjiu.lu@intel.com>
355 PR target/32000
356 * config/i386/i386.md (*movti_internal): Emit unaligned SSE
357 load/store if memory is unaligned.
358 (*movti_rex64): Likewise.
360 * config/i386/predicates.md (misaligned_operand): New.
362 2008-03-31 Andrew Pinski <pinskia@gmail.com>
364 PR tree-opt/35431
365 * tree-ssa-phiopt.c (conditional_replacement): Return early for
366 complex types.
368 2008-03-31 Jan Beulich <jbeulich@novell.com>
370 * config/ia64/constraints.md: Add 'j' constraint.
371 * config/ia64/ia64.md (movsi_internal): Add addp4 case.
372 (movdi_internal): Likewise.
374 2008-03-30 Volker Reichelt <v.reichelt@netcologne.de>
376 PR c/35748
377 * c-typeck.c (build_c_cast): Skip invalid fields in unions.
379 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
381 PR target/35757
382 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
383 proper error message for the third argument on blendpd and
384 blendps.
386 * config/i386/sse.md (blendbits): New.
387 (sse4_1_blendp<ssemodesuffixf2c>): Use it.
389 2008-03-30 Eric Botcazou <ebotcazou@adacore.com>
391 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
393 2008-03-30 Richard Guenther <rguenther@suse.de>
395 PR middle-end/31023
396 * fold-const.c (fold_sign_changed_comparison): Do leave
397 conversions to base-types alone.
399 2008-03-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
401 * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
402 the link register if one altivec register is be saved.
404 2008-03-30 Ben Elliston <bje@au.ibm.com>
406 * final.c (final_scan_insn): Remove if (0) code.
408 2008-03-28 Volker Reichelt <v.reichelt@netcologne.de>
410 * c-parser.c (c_parser_next_token_is_keyword): Simplify.
412 2008-03-28 H.J. Lu <hongjiu.lu@intel.com>
414 * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
415 of V4SFmode to ix86_binary_operator_ok.
417 2008-03-28 Uros Bizjak <ubizjak@gmail.com>
419 * config/i386/i386.c (override_options): Initialize
420 ix86_veclib_handler to ix86_veclibabi_svml when
421 -mveclibabi=svml is used.
422 (ix86_veclibabi_svml): New function for SVML ABI style
423 vectorization support.
424 * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
426 2008-03-28 Rafael Espindola <espindola@google.com>
428 * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
429 (tree_binary_nonnegative_warnv_p): Make it public.
430 (tree_single_nonnegative_warnv_p): Make it public.
431 (tree_invalid_nonnegative_warnv_p): Make it public.
432 (tree_unary_nonzero_warnv_p): Make it public.
433 (tree_binary_nonzero_warnv_p): Make it public
434 (tree_single_nonzero_warnv_p): Make it public.
435 * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
436 (extract_range_from_binary_expr): Split the expr argument.
437 (extract_range_from_unary_expr): Split the expr argument.
438 (extract_range_from_comparison): Split the expr argument.
439 (extract_range_from_expr): Use the new aux functions.
440 (vrp_evaluate_conditional_warnv): Use
441 vrp_evaluate_conditional_warnv_with_ops.
442 * tree.h (tree_unary_nonzero_warnv_p): Declare.
443 (tree_binary_nonzero_warnv_p): Declare.
444 (tree_single_nonzero_warnv_p): Declare.
445 (tree_expr_nonzero_warnv_p): Declare.
446 (tree_unary_nonnegative_warnv_p): Declare.
447 (tree_binary_nonnegative_warnv_p): Declare.
448 (tree_single_nonnegative_warnv_p): Declare.
449 (tree_invalid_nonnegative_warnv_p): Declare.
451 2008-03-28 Richard Guenther <rguenther@suse.de>
453 PR tree-optimization/30317
454 PR tree-optimization/30911
455 PR tree-optimization/34793
456 * tree-vrp.c (set_and_canonicalize_value_range): New function.
457 (struct assert_locus_d): New member EXPR.
458 (register_new_assert_for): Add EXPR parameter to support
459 ASSERT_EXPR <name, expr OP limit>.
460 (register_edge_assert_for_1): Adjust callers.
461 (find_assert_locations): Likewise.
462 (process_assert_insertions_for): Build condition from expression.
463 (extract_range_from_assert): Handle ASSERT_EXPRs
464 of the form ASSERT_EXPR <name, expr OP limit>.
465 (register_edge_assert_for_2): New helper registering
466 asserts for comparisons. Recognize range tests of the form
467 (unsigned)i - CST1 OP CST2.
468 (register_edge_assert_for_1): Use it.
469 (register_edge_assert_for): Likewise.
470 (needs_overflow_infinity): Integer sub-types
471 do not need overflow infinities.
472 (vrp_val_is_max): The extreme values of integer sub-types
473 are those of the base type.
474 (vrp_val_is_min): Likewise.
475 * tree.def (ASSERT_EXPR): Document extra allowed conditional
476 expressions.
478 2008-03-28 Nick Clifton <nickc@redhat.com>
480 * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
481 Return GENERAL_REGS for stack adjustment reloads.
483 2008-03-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
485 PR target/31334
486 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
487 const_vector when all the vectors are constant.
489 2008-03-27 Bob Wilson <bob.wilson@acm.org>
491 * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
492 comparisons.
493 * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
494 (any_scc_sf): Add uneq, unlt, unle and unordered operators.
495 (scc_sf): New.
496 (s<code>_sf): Use new scc_sf attribute for opcode names.
498 2008-03-27 Tom Tromey <tromey@redhat.com>
500 * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
501 configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
502 config/spu/t-spu-elf, config/i386/t-interix,
503 config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
504 config/i386/x-darwin, config/i386/x-mingw32,
505 config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
506 config/sh/t-sh, config/sh/t-symbian, config/x-linux,
507 config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
508 config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
509 config/rs6000/x-rs6000, config/rs6000/x-darwin64,
510 config/rs6000/x-darwin, config/rs6000/t-rs6000,
511 config/score/t-score-elf, config/arm/t-strongarm-pe,
512 config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
513 config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
514 Revert automatic dependency patch.
516 2008-03-27 H.J. Lu <hongjiu.lu@intel.com>
518 PR target/35657
519 * config/i386/i386.c (ix86_function_arg_boundary): Align
520 decimal floating point to its natural boundary.
522 2008-03-27 Richard Guenther <rguenther@suse.de>
524 PR middle-end/35716
525 * fold-const.c (fold_comparison): Restrict distinct decl
526 comparison folding to VAR_DECLs and PARM_DECLs. Do not
527 solely rely on operand_equal_p.
529 2008-03-27 Richard Guenther <rguenther@suse.de>
531 PR c/32511
532 * c-common.c (handle_weak_attribute): Reject combination of
533 weak and inline.
535 2008-03-27 Richard Guenther <rguenther@suse.de>
537 PR tree-optimization/32810
538 * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
539 conversions from DECL_INITIAL.
540 (fold_const_aggregate_ref): Likewise from constructor elements.
542 2008-03-27 Zdenek Dvorak <ook@ucw.cz>
544 * tree-affine.h (aff_combination_expand): Declare.
545 (get_inner_reference_aff): Likewise.
546 * tree-affine.c (aff_combination_expand): Split out from
547 tree_to_aff_combination_expand.
548 (get_inner_reference_aff): New function.
549 * tree-parloops.c (loop_parallel_p): Free vectorizer info.
550 * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
551 (struct lim_aux_data): sm_done field removed.
552 (mem_ref_loc_p, mem_ref_locs_p): New types.
553 (struct mem_ref): Added id, stored, accesses_in_loop,
554 indep_loop, dep_loop, indep_ref, dep_ref fields.
555 Removed is_stored, locs and next fields.
556 (memory_accesses): New variable.
557 (movement_possibility): Do not allow moving statements
558 that store to memory.
559 (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
560 New functions.
561 (determine_max_movement): For statements with memory references,
562 find the outermost loop in that the reference is independent.
563 (move_computations_stmt): Mark the virtual operands for renaming.
564 (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
565 gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
566 vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
567 add_vop_ref_mapping, create_vop_ref_mapping_loop,
568 create_vop_ref_mapping, analyze_memory_references,
569 cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
570 get_all_locs_in_loop, ref_always_accessed_p,
571 refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
572 ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
573 store_motion_loop, store_motion): New functions.
574 (struct vop_to_refs_elt): New type.
575 (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
576 memref_hash, memref_eq, hoist_memory_references): Rewritten.
577 (schedule_sm): Replaced by...
578 (execute_sm): ... this.
579 (determine_lsm_ref, hoist_memory_references,
580 loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
581 find_more_ref_vops, free_mem_ref, free_mem_refs,
582 determine_lsm_loop, determine_lsm): Removed.
583 (tree_ssa_lim_finalize): Free data structures used by store motion.
584 (tree_ssa_lim): Call analyze_memory_references. Use
585 store_motion instead of determine_lsm.
587 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
589 * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
590 rename tmake_file to m68hc11/t-m68hc11.
591 (mcore): Set inhibit_libc to true.
592 * config.host (alpha*-dec-*vms*): Set extra_programs.
593 (interix3*): Don't use host_xmake_file.
594 * configure.ac: Let config.gcc override inhibit_libc.
595 * configure: Regenerate.
597 * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
598 * config/t-openbsd-thread: Remove commented out lines.
600 * config/x-interix: Remove.
602 * config/m68hc11/t-m68hc11-gas: Rename to...
603 * config/m68hc11/t-m68hc11: ... this. Remove T_CPPFLAGS.
605 * config/mcore/t-mcore: Remove T_CFLAGS.
606 * config/mcore/t-mcore-pe: Likewise.
608 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
610 * configure.ac: Replace custom __GNU_SOURCE test with
611 AC_USE_SYSTEM_EXTENSIONS. Move it earlier.
612 * aclocal.m4: Regenerate.
613 * configure: Regenerate.
614 * config.in: Regenerate.
616 2008-03-27 Richard Guenther <rguenther@suse.de>
618 * fold-const.c (target.h): Include.
619 (fold_comparison): Fold comparison of addresses of decls
620 that bind locally or of constants. Consolidate address folding code.
621 * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
622 results from fold_binary_to_constant.
623 (compare_values_warnv): Likewise.
625 2008-03-27 Andrew Pinski <pinskia@gmail.com>
627 PR middle-end/35429
628 * fold-const.c (fold_truthop): Check for integeral types when folding
629 a == 0 && b == 0 and a != 0 || b != 0 .
631 2008-03-26 Eric Botcazou <ebotcazou@adacore.com>
633 * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
635 2008-03-26 Andreas Schwab <schwab@suse.de>
637 * doc/invoke.texi: Fix use of @item vs. @itemx.
639 2008-03-26 Tom Tromey <tromey@redhat.com>
641 * Makefile.in (build/gensupport.o, build/print-rtl.o,
642 build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
643 build/genattrtab.o, build/genautomata.o, build/gencheck.o,
644 build/gencodes.o, build/genconditions.o, build/genconfig.o,
645 build/genconstants.o, build/genemit.o, build/genextract.o,
646 build/genflags.o, build/genmddeps.o, build/genopinit.o,
647 build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
648 options.h.
650 2008-03-26 Richard Guenther <rguenther@suse.de>
652 Revert
653 2008-03-26 Richard Guenther <rguenther@suse.de>
655 * fold-const.c (target.h): Include.
656 (fold_comparison): Fold comparison of addresses of two decls
657 that bind locally. Consolidate address folding code.
659 2008-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
661 * builtins.c (expand_builtin_pow, fold_builtin_cabs,
662 fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
663 fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
664 dconstsqrt2, dconstthird, dconste and/or dconst10.
665 * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
666 * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
667 dconstsqrt2, dconste): Delete.
668 (init_emit_once): Likewise. Simplify initializing dconstm1.
669 Constify variable.
670 * real.c (get_real_const): New.
671 * real.h (dconst3, dconst10, dconstm2, dconstthird,
672 dconstsqrt2, dconste): Delete.
673 (real_value_const, get_real_const): New.
675 2008-03-26 H.J. Lu <hongjiu.lu@intel.com>
677 * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
679 * config/i386/i386.c (ix86_function_arg_boundary): Check
680 BIGGEST_ALIGNMENT instead of 128.
681 (setup_incoming_varargs_64): Likewise.
683 2008-03-26 Tom Tromey <tromey@redhat.com>
685 * Makefile.in (DEPFILES): Add missing '/'.
687 2008-03-26 Richard Guenther <rguenther@suse.de>
689 * fold-const.c (target.h): Include.
690 (fold_comparison): Fold comparison of addresses of two decls
691 that bind locally. Consolidate address folding code.
693 2008-03-26 Nick Clifton <nickc@redhat.com>
695 PR target/31232
696 * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
697 not allow INT+INT as a legitimate addressing mode.
699 2008-03-26 Richard Guenther <rguenther@suse.de>
701 * tree-flow.h (widen_bitfield): Remove declaration.
702 * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
703 (widen_bitfield): Remove function.
704 * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
705 code.
707 2008-03-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
709 PR target/31558
710 * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
711 error_mark_node's.
713 2008-03-25 Richard Sandiford <rsandifo@nildram.co.uk>
715 PR rtl-optimization/35232
716 * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
717 (forget_old_reloads_1, forget_marked_reloads): Don't clear
718 reg_reloaded_call_part_clobbered here.
719 (reload_regs_reach_end_p): New function.
720 (reload_reg_rtx_for_input): New variable.
721 (reload_reg_rtx_for_output): Likewise.
722 (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
723 when reassigning a pseudo register. Load reloadreg from
724 reload_reg_rtx_for_input, moving the mode and register
725 calculation to...
726 (do_input_reload): ...here. Use the mode-adjusted reg_rtx
727 instead of the original when deciding whether an input reload
728 would be a no-op or whether an output reload can be deleted.
729 (emit_output_reload_insns): Use the mode-adjusted reg_rtx
730 when setting up new_spill_reg_store. Load it from
731 reload_reg_rtx_for_output, moving the mode and register
732 calculation to...
733 (do_output_reload): ...here. Use the mode-adjusted reg_rtx
734 instead of the original when deciding whether an output reload
735 would be a no-op. Do the same when modifying insn notes.
736 Use rtx_equal_p instead of == to compare the registers.
737 (inherit_piecemeal_p): Take a mode and two register numbers
738 as argument.
739 (emit_reload_insns): Clear new_spill_reg_store for every hard
740 register in the reload register. Remove spill registers
741 from reg_reloaded_valid before considering whether to record
742 inheritance information for them. Use reload_reg_rtx_for_output
743 instead of reg_rtx when recording output reloads. Use
744 reload_reg_rtx_for_input instead of reg_rtx when recording
745 input reloads. Set or clear reg_reloaded_call_part_clobbered
746 at the same time as setting reg_reloaded_valid.
747 (delete_output_reload): Add a new_reload_reg parameter and use it
748 instead of rld[j].reg_rtx.
749 (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
750 calls accordingly.
752 2008-03-25 Tom Tromey <tromey@redhat.com>
754 * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
755 (build/genattr.o): Likewise.
756 (build/genattrtab.o): Likewise.
757 (build/gencodes.o): Likewise.
758 (build/genconfig.o): Likewise.
759 (build/genconstants.o): Likewise.
760 (build/genemit.o): Likewise.
761 (build/genextract.o): Likewise.
762 (build/genflags.o): Likewise.
764 2008-03-25 Bob Wilson <bob.wilson@acm.org>
766 * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
767 instead of size_int for integer types.
768 (xtensa_gimplify_va_arg_expr): Likewise. Convert index to sizetype
769 to match type of MINUS_EXPR.
771 2008-03-25 Tom Tromey <tromey@redhat.com>
773 * configure: Rebuilt.
774 * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
775 Makefile.
777 2008-03-25 Tom Tromey <tromey@redhat.com>
779 * config/x-solaris (host-solaris.o): Update.
780 * config/x-linux (host-linux.o): Update.
781 * config/x-hpux (host-hpux.o): Update.
782 * config/x-darwin (host-darwin.o): Update.
783 * config/v850/t-v850e (v850-c.o): Update.
784 * config/v850/t-v850 (v850-c.o): Update.
785 * config/t-vxworks (vxworks.o): Update.
786 * config/t-sol2 (sol2-c.o, sol2.o): Update.
787 * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
788 * config/spu/t-spu-elf (spu-c.o): Update.
789 (spu.o): Remove.
790 * config/sh/t-symbian (sh-c.o): Update.
791 (symbian.o): Update.
792 * config/sh/t-sh (sh-c.o): Update.
793 * config/score/t-score-elf (score7.o, score3.o): Update.
794 * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
795 * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
796 * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
797 * config/rs6000/t-rs6000 (rs6000-c.o): Update.
798 (rs6000.o): Remove.
799 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
800 * config/m32c/t-m32c (m32c-pragma.o): Update.
801 * config/ia64/t-ia64 (ia64-c.o): Update.
802 * config/i386/x-mingw32 (host-mingw32.o): Update.
803 * config/i386/x-i386 (driver-i386.o): Update.
804 * config/i386/x-darwin (host-i386-darwin.o): Update.
805 * config/i386/x-cygwin (host-cygwin.o): Update.
806 * config/i386/t-nwld (nwld.o): Update.
807 * config/i386/t-netware (netware.o): Update.
808 * config/i386/t-interix (winnt.o): Update.
809 * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
810 * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
811 msformat-c.o): Update.
812 * config/bfin/t-bfin-linux (generated_files): Add
813 linux-sysroot-suffix.h.
814 * config/arm/t-wince-pe (pe.o): Update.
815 * config/arm/t-strongarm-pe (pe.o): Update.
816 * config/arm/t-pe (pe.o): Update.
817 * config/arm/t-arm (arm-c.o): Update.
818 * doc/install.texi (Prerequisites): Require make 3.80.
819 * Makefile.in: Remove .o targets.
820 (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
821 (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
822 (simple_generated_h, simple_generated_c): Move earlier.
823 (generated_files): New variable.
824 (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
825 TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
826 BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
827 ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
828 REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
829 CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
830 CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
831 INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
832 PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
833 TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
834 DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
835 VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
836 (.c.o): Remove.
837 (COMPILE.base, COMPILE): New variables.
838 (%.o): New pattern rule.
839 (ALL_HOST_OBJS): New variable.
840 (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
841 (dummy-checksum.o, cc1-checksum.o): Remove.
842 (DRIVER_SHLIB): New variable.
843 (DRIVER_DEFINES): Use it.
844 (gencondmd.c): Move out of build/.
845 (s-conditions): Update.
846 (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
847 (ALL_BUILD_OBJS): Likewise.
848 (build/%.o): Use BUILDCOMPILE.
849 (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
850 build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
851 build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
852 build/gencheck.o, build/gencodes.o, build/genconditions.o,
853 build/genconfig.o, build/genconstants.o, build/genemit.o,
854 build/genextract.o, build/genflags.o, build/genmddeps.o,
855 build/genopinit.o, build/genoutput.o, build/genpeep.o,
856 build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
857 build/gen-protos.o, build/scan.o, build/fix-header.o,
858 build/scan-decls.o): Simplify.
859 (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
860 cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
861 prefix.o, toplev.o): Reduce to variable setting.
862 (libbackend.o): Use COMPILE. Remove most dependencies. Move later.
863 ($(out_object_file), gcc-options.o): New targets.
864 ($(ALL_HOST_OBJS)): New target. Include dependency files.
865 * configure: Rebuilt.
866 * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
867 * doc/sourcebuild.texi (Front End Directory): Document new variable.
869 2008-03-25 Douglas Gregor <doug.gregor@gmail.com>
871 * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
872 complain when we hit an error, return ERROR_MARK_NODE.
874 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
876 * config/sh/constraints.md (Pso, Psz): New constraints.
877 * config/sh/sh.c (print_operand): Add %V and %W operand codes.
878 * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
880 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
882 * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
883 * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
885 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
887 * config/sh/sh.md (prefetch): Add condition for SH2A target.
888 (prefetch_sh2a): New.
890 2008-03-25 Jayant Sonar <Jayant.sonar@kpitcummins.com>
891 Naveen.H.S <naveen.hs@kpitcummins.com>
893 * config/sh/constraints.md (I28): New constraint.
894 * config/sh/sh.c (broken_move): Add support for movi20s.
895 * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
897 2008-03-25 Anil Paranjape <anil.paranjape@kpitcummins.com>
898 Jayant Sonar <Jayant.sonar@kpitcummins.com>
899 Naveen.H.S <naveen.hs@kpitcummins.com>
901 * config/sh/sh.c (SH_ATTRIBUTES): Define.
902 (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
903 (print_operand): Handle resbank in %@ operand code.
904 (sh_encode_section_info): New.
905 (push_regs): Add conditions for resbank.
906 (sh_expand_epilogue): Likewise.
907 (sh_insert_attributes): Likewise.
908 (sh_attribute_table): Likewise.
909 (sh_handle_resbank_handler_attribute): New.
910 (sh2a_handle_function_vector_handler_attribute): New.
911 (sh2a_is_function_vector_call): New.
912 (sh2a_get_function_vector_number): New.
913 (sh2a_function_vector_p): New.
914 (sh_cfun_resbank_handler_p): New.
915 * config/sh/sh.md (calli): Emit jsr/n if possible.
916 (calli_tbr_rel): New.
917 (calli_pcrel): Emit jsr/n if possible.
918 (return_i): Emit rts/n if possible.
919 (call_valuei_tbr_rel): New.
920 (call_valuei_pcrel): Add condition for SH2A target.
921 (call_value): Likewise.
922 * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
923 (sh2a_get_function_vector_number): Likewise.
924 (sh2a_is_function_vector_call): Likewise.
925 * doc/extend.texi: Document TBR relative addressing of SH2A.
926 (resbank): Add description for SH2A.
928 2008-03-24 Richard Guenther <rguenther@suse.de>
930 PR c/22371
931 * gimplify.c (gimplify_modify_expr): For frontend type-correct
932 pointer assignments change conversions according to middle-end rules.
933 (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
934 * configure.ac: Include type checking in yes.
935 * configure: Regenerate.
937 2008-03-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
939 * diagnostic.c (diagnostic_count_diagnostic): Delete.
940 (diagnostic_report_diagnostic): Update. Handle ICEs here.
942 2008-03-24 Nathan Sidwell <nathan@codesourcery.com>
944 * gthr-vxworks.h (UNUSED): Define.
946 2008-03-23 H.J. Lu <hongjiu.lu@intel.com>
948 * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
950 2008-03-23 Zuxy Meng <zuxy.meng@gmail.com>
952 * doc/extend.texi (Function Attributes): Add missing comma in the
953 example of the "alloc_size" attribute.
955 2008-03-23 Uros Bizjak <ubizjak@gmail.com>
957 Revert:
958 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
960 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
961 32bit host.
963 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
965 PR target/35496
966 * stor-layout.c (update_alignment_for_field): Set minimum alignment
967 of the underlying type of a MS bitfield layout to the natural
968 alignment of the type.
970 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
972 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
973 to their natural alignment to avoid store forwarding stalls.
975 2008-03-22 Richard Guenther <rguenther@suse.de>
977 * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
978 For PHI nodes verify the address is invariant.
979 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
980 (get_symbol_constant_value): Use is_gimple_min_invariant.
981 (maybe_fold_stmt_indirect): Likewise.
983 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
985 PR rtl-optimization/33927
986 * Makefile.in (dse.o): Depend on $(TM_P_H).
987 * expr.h (extract_low_bits): Declare.
988 * expmed.c (extract_low_bits): New function.
989 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
990 * dse.c: Include tm_p.h.
991 (find_shift_sequence): Remove the read_reg argument and return the
992 read value. Emit the instructions instead of returning them.
993 Iterate on new_mode rather than calculating it each time.
994 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
995 source to NEW_MODE and extract_low_bits to convert the shifted
996 value to READ_MODE.
997 (replace_read): Allow the load and store to have different mode
998 classes. Use extract_low_bits when SHIFT == 0. Create the shift
999 or extraction instructions before trying the replacement. Update
1000 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
1002 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
1004 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1005 to their natural alignment to avoid store forwarding stalls.
1007 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
1009 PR target/27946
1010 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
1011 encouraging but not allowing gprs for input;
1012 change the input constraint to !f#r.
1013 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
1014 gprs for output;
1015 change the output constraint to !f#r.
1017 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
1019 PR target/13958
1020 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
1021 corresponding post-reload splitters.
1022 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
1023 when x87 FP math is selected.
1024 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
1025 New function prototype.
1026 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
1027 unreachable function to ease macroization of insn patterns.
1029 2008-03-21 Martin Jambor <mjambor@suse.cz>
1031 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
1032 reference dumps if ddr is NULL or dependence is unknown.
1034 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1036 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
1037 unsigned extension into account.
1038 (ATOMIC_COMPARE_AND_SWAP): Likewise.
1039 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
1040 Do computations on a scratch register.
1042 2008-03-21 Richard Guenther <rguenther@suse.de>
1044 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1045 Use is_gimple_min_invariant instead of TREE_INVARIANT.
1046 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
1047 * tree-ssa-dom.c (record_equality): Likewise.
1048 * tree-inline.c (copy_body_r): Likewise.
1049 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
1050 TREE_INVARIANT.
1052 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1054 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
1055 as 'delete_unused' argument.
1057 2008-03-20 Richard Guenther <rguenther@suse.de>
1059 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1060 special casing of constant qualifiers.
1061 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
1062 care about them in general.
1063 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
1064 regardless of their type.
1065 (fold_stmt_r): Forcefully fold *& if we end up with that.
1067 2008-03-20 Paul Brook <paul@codesourcery.com>
1069 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
1070 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
1071 linker flags.
1072 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
1073 definition.
1074 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
1075 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
1077 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
1079 * common.opt (Wmudflap): New option.
1080 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
1081 (mx_register_decls): Likewise.
1082 (mudflap_finish_file): Likewise.
1083 * doc/invoke.texi: Document -Wno-mudflap.
1085 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
1087 * c-format.c (replace_format_name_to_system_name): New.
1088 (cmp_attribs): New.
1089 (convert_format_name_to_system_name): New.
1090 (decode_format_attr): Add use of convert_format_name_to_system_name.
1091 (format_types_orig): Add gnu_ prefix to names.
1092 (check_format_info_main): Special treating of \0 escaped names for
1093 supporting multi-character format specifiers as I32, I64.
1094 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
1095 (gnu_target_overrides_format_attributes): New.
1096 * c-format.h: Add structure target_ovr_attr to hold
1097 system specific formatter names.
1098 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
1099 msformat-c.o file to c_target_objs and cxx_target_objs.
1100 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1101 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
1102 (TARGET_N_FORMAT_TYPES): New.
1103 * config/i386/msformat-c.c: New.
1104 * config/i386/t-cygming: Add build rule for msformat-c.o.
1105 * doc/extend.texi: Add new format names gnu_* and ms_* and
1106 further details.
1107 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1109 2008-03-20 Ira Rosen <irar@il.ibm.com>
1111 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
1112 optimizations turned on under -O3.
1113 (ftree-vectorize): Add that the flag is turned on with -O3.
1115 2008-03-20 Ben Elliston <bje@au.ibm.com>
1117 * regmove.c (try_auto_increment): Fix spelling error in comment.
1118 * final.c (final_scan_insn): Likewise.
1120 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
1122 PR target/14552
1123 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
1124 allocator preferences for "y" and "r" class registers.
1125 ("*mov<mode>_internal"): Ditto.
1126 ("*movv2sf_internal_rex64"): Ditto.
1127 ("*movv2sf_internal"): Ditto.
1129 2008-03-19 Michael Matz <matz@suse.de>
1131 PR middle-end/35616
1132 * calls.c (expand_call): Check overlap of arguments with call
1133 address for sibcalls.
1135 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
1137 PR target/35496
1138 * stor-layout.c (update_alignment_for_field): Set minimum alignment
1139 of the underlying type of a MS bitfield layout to the natural
1140 alignment of the type.
1142 2008-03-19 Jan Hubicka <jh@suse.cz>
1144 PR other/35094
1145 * toplev.c (decode_d_option): Handle all CPP flags.
1146 * tree-vrp.c: Update tree_pass descriptors.
1147 * regrename.c: Update tree_pass descriptors.
1148 * fwprop.c: Update tree_pass descriptors.
1149 * doc/invoke.texi: Remove documentation of dropped -d? flags.
1150 * tree-into-ssa.c: Update tree_pass descriptors.
1151 * tree-dump.c: Update tree_pass descriptors.
1152 * tree-complex.c: Update tree_pass descriptors.
1153 * tree-dump.h: Update tree_pass descriptors.
1154 * see.c: Update tree_pass descriptors.
1155 * cgraphbuild.c: Update tree_pass descriptors.
1156 * tracer.c: Update tree_pass descriptors.
1157 * tree-loop-distribution.c: Update tree_pass descriptors.
1158 * cgraph.c: Update tree_pass descriptors.
1159 * postreload-gcse.c: Update tree_pass descriptors.
1160 * postreload.c: Update tree_pass descriptors.
1161 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1162 * tree-tailcall.c: Update tree_pass descriptors.
1163 * tree-pass.h (tree_opt_pass): Rename to ...
1164 (opt_pass) ... this one; add "type" field and remove letter field.
1165 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
1166 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
1167 all_lowering_passes): Update declaration.
1168 * ipa-cp.c: Update tree_pass descriptors.
1169 * final.c: Update tree_pass descriptors.
1170 * omp-low.c: Update tree_pass descriptors.
1171 * tree-ssa-dse.c: Update tree_pass descriptors.
1172 * ipa-reference.c: Update tree_pass descriptors.
1173 * tree-ssa-uncprop.c: Update tree_pass descriptors.
1174 * auto-inc-dec.c: Update tree_pass descriptors.
1175 * reorg.c: Update tree_pass descriptors.
1176 * cgraphunit.c: Update tree_pass descriptors.
1177 * tree-ssa-copyrename.c: Update tree_pass descriptors.
1178 * tree-ssa-ccp.c: Update tree_pass descriptors.
1179 * df-core.c: Update tree_pass descriptors.
1180 * mode-switching.c: Update tree_pass descriptors.
1181 * tree-nomudflap.c: Update tree_pass descriptors.
1182 * modulo-sched.c: Update tree_pass descriptors.
1183 * ipa-pure-const.c: Update tree_pass descriptors.
1184 * cse.c: Update tree_pass descriptors.
1185 * web.c: Update tree_pass descriptors.
1186 * tree-stdarg.c: Update tree_pass descriptors.
1187 * tree-ssa-math-opts.c: Update tree_pass descriptors.
1188 * tree-ssa-dom.c: Update tree_pass descriptors.
1189 * tree-nrv.c: Update tree_pass descriptors.
1190 * tree-ssa-alias.c: Update tree_pass descriptors.
1191 * loop-init.c: Update tree_pass descriptors.
1192 * gimple-low.c: Update tree_pass descriptors.
1193 * ipa-inline.c: Update tree_pass descriptors.
1194 * tree-ssa-sink.c: Update tree_pass descriptors.
1195 * global.c: Update tree_pass descriptors.
1196 * ifcvt.c: Update tree_pass descriptors.
1197 * jump.c: Update tree_pass descriptors.
1198 * predict.c: Update tree_pass descriptors.
1199 * tree-ssa-loop.c: Update tree_pass descriptors.
1200 * recog.c: Update tree_pass descriptors.
1201 * dse.c: Update tree_pass descriptors.
1202 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
1203 * tree-eh.c: Update tree_pass descriptors.
1204 * regmove.c: Update tree_pass descriptors.
1205 * local-alloc.c
1206 * function.c: Update tree_pass descriptors.
1207 * tree-vectorizer.c: Update tree_pass descriptors.
1208 * gcse.c: Update tree_pass descriptors.
1209 * ipa-type-escape.c: Update tree_pass descriptors.
1210 * tree-if-conv.c: Update tree_pass descriptors.
1211 * init-regs.c: Update tree_pass descriptors.
1212 * ipa.c: Update tree_pass descriptors.
1213 * tree-ssa-phiopt.c: Update tree_pass descriptors.
1214 * rtl-factoring.c: Update tree_pass descriptors.
1215 * lower-subreg.c: Update tree_pass descriptors.
1216 * bt-load.c: Update tree_pass descriptors.
1217 * tree-dfa.c: Update tree_pass descriptors.
1218 * except.c: Update tree_pass descriptors.
1219 * emit-rtl.c: Update tree_pass descriptors.
1220 * cfgexpand.c: Update tree_pass descriptors.
1221 * tree-cfgcleanup.c: Update tree_pass descriptors.
1222 * cfgcleanup.c: Update tree_pass descriptors.
1223 * tree-ssa-pre.c: Update tree_pass descriptors.
1224 * tree-sra.c: Update tree_pass descriptors.
1225 * tree-mudflap.c: Update tree_pass descriptors.
1226 * tree-ssa-copy.c: Update tree_pass descriptors.
1227 * cfglayout.c: Update tree_pass descriptors.
1228 * tree-ssa-forwprop.c: Update tree_pass descriptors.
1229 * tree-ssa-dce.c: Update tree_pass descriptors.
1230 * tree-ssa.c: Update tree_pass descriptors.
1231 * regclass.c: Update tree_pass descriptors.
1232 * integrate.c: Update tree_pass descriptors.
1233 * tree-optimize.c: Update tree_pass descriptors.
1234 * tree-ssa-phiprop.c: Update tree_pass descriptors.
1235 * tree-object-size.c: Update tree_pass descriptors.
1236 * combine.c: Update tree_pass descriptors.
1237 * tree-outof-ssa.c: Update tree_pass descriptors.
1238 * bb-reorder.c: Update tree_pass descriptors.
1239 * stack-ptr-mod.c: Update tree_pass descriptors.
1240 * var-tracking.c: Update tree_pass descriptors.
1241 * tree-profile.c: Update tree_pass descriptors.
1242 * tree-vect-generic.c: Update tree_pass descriptors.
1243 * reg-stack.c: Update tree_pass descriptors.
1244 * sched-rgn.c: Update tree_pass descriptors.
1245 * tree-ssa-structalias.c: Update tree_pass descriptors.
1246 * tree-cfg.c: Update tree_pass descriptors.
1247 * passes.c (current_pass): Update declaration.
1248 (finish_optimization_passes): Update.
1249 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
1250 (register_one_dump_file, register_dump_files_1, next_pass_1):
1251 Update arguments.
1252 (init_optimization_passes): Update handling of new types.
1253 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
1254 * ipa-struct-reorg.c: Update tree_pass descriptors.
1255 * tree-ssa-reassoc.c: Update tree_pass descriptors.
1256 * combine-stack-adj.c: Update tree_pass descriptors.
1257 * cfgrtl.c: Update tree_pass descriptors.
1258 * dce.c: Update tree_pass descriptors.
1259 * tree-ssanames.c: Update tree_pass descriptors.
1261 2008-03-19 Richard Guenther <rguenther@suse.de>
1263 PR middle-end/35609
1264 * tree-ssa.c (walk_data): New structure.
1265 (warn_uninitialized_var): If not always_executed warn with "maybe"
1266 instead of "is".
1267 (execute_early_warn_uninitialized): Compute post-dominators.
1268 Initialize always_executed before processing each basic block.
1270 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
1272 PR target/35504
1273 * config/i386/i386.c (x86_this_parameter): Calculate correct location
1274 of "this" pointer when "regparm = N" or "fastcall" is in effect.
1276 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1278 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1280 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
1282 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1283 is true.
1284 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1285 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1286 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
1287 target after ignore has been set, and move there also the commputation
1288 of subtarget and original_target.
1289 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1290 (LANG_HOOKS_INITIALIZER): Remove it.
1291 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1293 2008-03-18 Richard Guenther <rguenther@suse.de>
1295 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1296 found an expression with constants, note that in the VN for the lhs.
1297 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1298 fold them to constants if possible. Run cleanup_cfg if done so.
1299 (execute_pre): Return todo.
1300 (do_pre): Likewise.
1301 (execute_fre): Likewise.
1302 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1303 of constants.
1304 (get_prop_source_stmt): Look through pointer conversions.
1306 2008-03-18 Jan Hubicka <jh@suse.cz>
1308 * tree-pretty-print.c: Include predict.h.
1309 (dump_generic_node): Dump predictor.
1310 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1311 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1312 * gimple-low.c (lower_stmt): Likewise.
1313 * expr.c (expand_expr_real): Likewise.
1314 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1315 them.
1316 (build_predict_expr, build_predict_expr): New.
1317 * predict.h (predictor_name, build_predict_expr): Update.
1318 * c-typeck.c (c_finish_bc_stmt): Add prediction.
1319 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1320 * predict.def (PRED_CONTINUE): Update hitrate.
1321 * tree.def (PREDICT_EXPR): Define.
1322 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1323 do not handle BIND_EXPR.
1324 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1325 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1326 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1327 operands.
1329 2008-03-18 Michael Matz <matz@suse.de>
1331 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1333 2008-03-18 Richard Guenther <rguenther@suse.de>
1335 * tree-gimple.h (is_gimple_invariant_address): Declare.
1336 (is_gimple_constant): Likewise.
1337 * tree-gimple.c (is_gimple_constant): New function.
1338 (is_gimple_invariant_address): Likewise.
1339 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1340 and is_gimple_invariant_address.
1341 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1342 previous change.
1343 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1344 an addressable base.
1346 2008-03-18 Jakub Jelinek <jakub@redhat.com>
1348 PR middle-end/35611
1349 * gimplify.c (gimplify_expr): Gimplify second operand of
1350 OMP_ATOMIC_LOAD.
1352 2008-03-17 Richard Guenther <rguenther@suse.de>
1354 PR tree-optimization/19637
1355 * fold-const.c (fold_unary): Remove restrictions of removing
1356 intermediate pointer-conversions (P2)(P1)P0.
1357 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1358 conversion to void pointer.
1359 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1361 2008-03-16 James E. Wilson <wilson@tuliptree.org>
1363 PR debug/31510
1364 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1365 emulated thread local variables.
1367 2008-03-16 Richard Guenther <rguenther@suse.de>
1369 PR middle-end/35607
1370 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1371 expand TREE_INVARIANT operations that are not gimple invariant.
1373 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
1375 * doc/extend.texi (Alignment): Say that the ABI controls
1376 the __alignof__ for non-strict-alignment targets rather
1377 than being a recommendation.
1379 2008-03-15 Paul Brook <paul@codesourcery.com>
1381 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1382 annotations.
1383 (arm_output_fn_unwind): Mark functions that can not be unwound.
1385 2008-03-15 Paul Brook <paul@codesourcery.com>
1387 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1388 extension instructions.
1390 2008-03-15 Richard Guenther <rguenther@suse.de>
1392 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1393 and fold constant aggregate refs.
1394 (fold_const_aggregate_ref): Handle string constants
1395 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
1396 (evaluate_stmt): Simplify now that ccp_fold folds constant
1397 aggregate refs.
1399 2008-03-15 Paul Brook <paul@codesourcery.com>
1401 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1402 (extzv): Use gen_extzv_t2.
1403 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1405 2008-03-15 Richard Guenther <rguenther@suse.de>
1407 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1408 (fold_const_aggregate_ref): Likewise.
1409 (get_value): Return NULL if we don't have any values.
1410 (ccp_finalize): Set const_val to NULL after freeing it.
1411 * tree-flow.h (get_symbol_constant_value): Declare.
1412 (fold_const_aggregate_ref): Likewise.
1413 * tree-ssa-sccvn.c (try_to_simplify): Use them.
1415 2008-03-15 Richard Guenther <rguenther@suse.de>
1417 PR middle-end/35593
1418 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1419 to not produce negative array indices if not allowed. Add
1420 parameter to indicate that.
1421 (maybe_fold_offset_to_component_ref): Allow negative array
1422 indices only for the first member of a structure.
1423 (maybe_fold_offset_to_reference): Allow negative array indices.
1424 (maybe_fold_stmt_addition): Likewise.
1426 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
1427 Anatoly Sokolov <aesok@post.ru>
1429 * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1430 (avr_arch): Add ARCH_AVR6.
1431 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1432 (initial_elimination_offset): Initialize and use 'avr_pc_size'
1433 instead of fixed value 2.
1434 (print_operand_address): Use gs() asm specifier instead of pm().
1435 (avr_assemble_integer): (Ditto.).
1436 (avr_output_addr_vec_elt): (Ditto.).
1437 (print_operand): Handle "!" code.
1438 * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
1439 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1440 (AVR_HAVE_EIJMP_EICALL): Define.
1441 (AVR_3_BYTE_PC): Redefine.
1442 (AVR_2_BYTE_PC): (Ditto.).
1443 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1444 (LINK_SPEC): Add atmega2560 and atmega2561.
1445 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
1446 (crtm2561.o).
1447 * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
1448 for 3 byte PC devices.
1449 (call_value_insn): (Ditto.).
1450 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1451 (indirect_jump): Use only for for 2 byte PC devices.
1452 (*tablejump): (Ditto.).
1453 (*indirect_jump_avr6): Add insn.
1454 (*tablejump_rjmp): Don't use for 3 byte PC devices.
1455 * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
1456 instead of ijmp for 3 byte PC devices.
1457 (__tablejump2__): (Ditto.).
1458 * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1459 (MULITLIB_DIRNAMES): (Ditto.).
1460 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1462 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
1464 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1465 "sse2_umulsidi3". Use V1DI mode for operand 0.
1466 ("mmx_psadbw"): Use V1DI mode for operand 0.
1467 * config/i386/i386-modes.def (V1SI): New vector mode.
1468 * config/i386/i386.c (struct builtin_description)
1469 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1470 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1471 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1472 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1473 v1di_ftype_v8qi_v8qi type.
1474 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1476 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1477 __builtin_ia32_pmuludq]: Fix the mode of return value.
1479 2008-03-15 Richard Guenther <rguenther@suse.de>
1481 PR middle-end/35595
1482 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1483 being a PHI_NODE.
1485 2008-03-14 Bob Wilson <bob.wilson@acm.org>
1487 * doc/invoke.texi (Option Summary, Xtensa Options): Document
1488 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1489 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1490 unless TARGET_SERIALIZE_VOLATILE is enabled.
1491 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1492 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1493 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1495 2008-03-14 Richard Guenther <rguenther@suse.de>
1497 PR tree-optimization/34172
1498 * tree-flow.h (refs_may_alias_p): Declare.
1499 (get_single_def_stmt): Likewise.
1500 (get_single_def_stmt_from_phi): Likewise.
1501 (get_single_def_stmt_with_phi): Likewise.
1502 * tree-dfa.c (refs_may_alias_p): New function.
1503 (get_single_def_stmt): Likewise.
1504 (get_single_def_stmt_from_phi): Likewise.
1505 (get_single_def_stmt_with_phi): Likewise.
1506 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1507 (vn_reference_lookup_1): New helper function.
1508 (vn_reference_lookup): Walk the virtual use-def chain to
1509 continue searching for a match if the def does not alias the
1510 reference we are looking for.
1512 2008-03-14 David Edelsohn <edelsohn@gnu.org>
1514 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
1515 archive and Perzl. Update The Written Word listing.
1517 2008-03-14 Richard Guenther <rguenther@suse.de>
1519 PR tree-optimization/34043
1520 PR tree-optimization/33989
1521 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1522 when doing FRE.
1523 (bitmap_find_leader): Use extra argument to verify dominance
1524 relationship inside a basic-block.
1525 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1526 (find_leader_in_sets): Adjust.
1527 (create_component_ref_by_pieces): Take extra argument for
1528 dominance check, handle lookup failures.
1529 (find_or_generate_expression): Likewise.
1530 (create_expression_by_pieces): Likewise.
1531 (insert_into_preds_of_block): Adjust.
1532 (create_value_expr_from): If asked for, verify all operands
1533 are in the blocks AVAIL_OUT set.
1534 (make_values_for_stmt): Check for SSA_NAMEs that are life
1535 over an abnormal edge.
1536 (compute_avail): Remove such check.
1537 (do_SCCVN_insertion): New function.
1538 (eliminate): If we do not find a leader suitable for replacement
1539 insert a replacement expression from SCCVN if available.
1540 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1541 (struct vn_ssa_aux): Add needs_insertion flag.
1542 * tree-ssa-sccvn.c (may_insert): New global flag.
1543 (copy_reference_ops_from_ref): Value-number union member access
1544 based on its size, not type and member if insertion is allowed.
1545 (visit_reference_op_load): For a weak match from union type
1546 punning lookup a view-converted value and insert a SSA_NAME
1547 for that value if that is not found.
1548 (visit_use): Make dumps shorter. Do not disallow value numbering
1549 SSA_NAMEs that are life over an abnormal edge to constants.
1550 (free_scc_vn): Release inserted SSA_NAMEs.
1551 (run_scc_vn): New flag to specify whether insertion is allowed.
1552 Process SSA_NAMEs in forward order.
1553 * tree-ssa-loop-im.c (for_each_index): Handle invariant
1554 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
1555 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
1556 pointer type to/from integral types that do not change the
1557 precision to regular conversions.
1559 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
1561 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1562 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1563 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
1564 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
1565 input arguments and the mode of return value. Built-in functions
1566 that operate on whole 64-bit MMX register now use V1DI mode.
1568 2008-03-13 Alon Dayan <alond@il.ibm.com>
1569 Olga Golovanevsky <olga@il.ibm.com>
1571 PR tree-optimization/35041
1572 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
1573 to locate the right position in a statement.
1575 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
1577 PR target/34000
1578 PR target/35553
1579 * config/i386/xmmintrin.h: Change all static inline functions to
1580 extern inline and add __gnu_inline__ attribute.
1581 * config/i386/bmintrin.h: Ditto.
1582 * config/i386/smmintrin.h: Ditto.
1583 * config/i386/tmmintrin.h: Ditto.
1584 * config/i386/mmintrin-common.h: Ditto.
1585 * config/i386/ammintrin.h: Ditto.
1586 * config/i386/emmintrin.h: Ditto.
1587 * config/i386/pmmintrin.h: Ditto.
1588 * config/i386/mmintrin.h: Ditto.
1589 * config/i386/mm3dnow.h: Ditto.
1591 2008-03-13 Jakub Jelinek <jakub@redhat.com>
1593 PR middle-end/35185
1594 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
1595 (lower_omp_2): New function.
1596 (lower_omp_1, lower_omp): Rewritten.
1598 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
1600 PR 35054
1601 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
1602 with the phrase "Microsoft Windows compilers".
1603 (Push/Pop Macro Pragmas): New subsection. Document
1604 #pragma push_macro and pragma pop_macro.
1606 2008-03-12 Paul Brook <paul@codesourcery.com>
1608 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
1610 2008-03-12 Paul Brook <paul@codesourcery.com>
1612 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
1613 (thumb2_alusi3_short): Exclude PLUS and MINUS.
1614 (thumb2_addsi_shortim): Rename ...
1615 (thumb2_addsi_short): ... to this. Allow register operands.
1616 (thumb2_subsi_short): New pattern.
1617 (thumb2_one_cmplsi2_short,
1618 thumb2_negsi2_short): New patterns and peepholes.
1620 2008-03-12 Paul Brook <paul@codesourcery.com>
1622 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
1624 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
1626 * config/i386/i386.md (int_cond): New code iterator.
1627 (fp_cond): Ditto.
1628 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
1629 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
1630 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
1631 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
1632 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1633 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1634 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1635 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1637 2008-03-12 Paul Brook <paul@codesourcery.com>
1639 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1640 instead of {arm,thumb}_compute_save_reg_mask.
1641 (output_return_instruction): Ditto.
1642 (thumb_unexpanded_epilogue): Ditto.
1643 (thumb1_expand_prologue): Ditto.
1644 (thumb1_output_function_prologue): Ditto.
1645 (arm_set_return_address): Ditto.
1646 (thumb_set_return_address): Ditto.
1647 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
1648 regs to achieve stack alignment.
1649 (thumb1_compute_save_reg_mask): Fix compiler warning.
1650 (arm_output_epilogue): Use offsets->saved_regs_mask.
1651 Adjust stack pointer by poping call clobered registers.
1652 (arm_expand_prologue): Use offsets->saved_regs_mask.
1653 Adjust stack pointer by pushing extra registers.
1654 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1656 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
1658 PR tree-opt/35422
1659 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1660 conversion to the operands of a multiplication.
1662 2008-03-12 Richard Guenther <rguenther@suse.de>
1664 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1665 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1666 * timevar.def (TV_TREE_PHIPROP): Add.
1667 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1668 pass description. Use TV_TREE_PHIPROP.
1669 * tree-ssa-forwprop.c: Remove phiprop code.
1671 2008-03-12 Jakub Jelinek <jakub@redhat.com>
1673 PR middle-end/35549
1674 * omp-low.c (maybe_lookup_decl): Constify first argument.
1675 (use_pointer_for_field): Change last argument from bool to
1676 omp_context *. Disallow shared copy-in/out in nested
1677 parallel if decl is shared in outer parallel too.
1678 (build_outer_var_ref, scan_sharing_clauses,
1679 lower_rec_input_clauses, lower_copyprivate_clauses,
1680 lower_send_clauses, lower_send_shared_vars): Adjust callers.
1682 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
1683 Ira Rosen <irar@il.ibm.com>
1685 * tree-vectorizer.c (free_stmt_vec_info): New function.
1686 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1687 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1688 * tree-vectorizer.h (free_stmt_vec_info): Declare.
1689 * tree-vect-transform.c (vectorizable_conversion): Free
1690 vec_oprnds0 if it was allocated.
1691 (vect_permute_store_chain): Remove unused VECs.
1692 (vectorizable_store): Free VECs that are allocated in the..
1693 function.
1694 (vect_transform_strided_load, vectorizable_load): Likewise.
1695 (vect_remove_stores): Simplify the code.
1696 (vect_transform_loop): Move code to vect_remove_stores().
1697 Call vect_remove_stores() and free_stmt_vec_info().
1699 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1701 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1702 TARGET_HPUX. Revise comment.
1703 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1704 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1705 Use sr4 variant of `be' instruction when not generating PIC code.
1706 (attr_length_call): Adjust for above change.
1708 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1710 * ipa-reference.c (static_execute): Remove module_statics_const and
1711 associated setting code.
1713 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
1715 PR target/35540
1716 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1717 predicate for operand 1.
1718 (paritysi2_cmp): Use register_operand predicate for operand 2.
1719 Use earlyclobber modifier for operand 1. Remove support for
1720 memory operands.
1721 (paritydi2_cmp): Use register_operand predicate for operand 3.
1722 Use earlyclobber modifier for operand 1. Remove support for
1723 memory operands.
1725 2008-03-11 Paul Brook <paul@codesourcery.com>
1726 Vladimir Prus <vladimir@codesourcery.com>
1728 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1729 (arm_compute_save_reg0_reg12_mask): Always
1730 check if register 11 must be saved. Always safe hard frame pointer
1731 when frame_pointer_needeed.
1732 (arm_compute_save_reg_mask): Save IP and PC
1733 only with apcs frames.
1734 (arm_output_epilogue): Adjust Thumb2 codepath to
1735 be also invoked and work for ARM non-apcs frames.
1736 (arm_expand_prologue): Don't bother saving IP
1737 for non-apcs frame, since it's not clobbered by
1738 prologue code. Implement non-apcs frame
1739 layout.
1741 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
1743 PR rtl-optimization/35281
1744 * expr.c (convert_move): Use a new pseudo for the intermediate
1745 from_mode->word_mode result.
1747 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
1749 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
1750 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
1751 * toplev.c (compile_file): Don't call it.
1753 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
1755 PR middle-end/35526
1756 * expr.c (store_expr): Call emit_block_move if the mode
1757 of "temp" RTX is BLKmode.
1759 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1760 Richard Guenther <rguenther@suse.de>
1762 PR tree-optimization/31358
1763 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1764 the step with a NULL_TREE.
1765 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1766 to sizetype if type is a pointer type.
1767 (add_candidate_1): Don't convert the base and step to
1768 the generic type if the orginal type is a pointer type.
1769 (add_iv_value_candidates): Use sizetype for the step
1770 if type is a pointer type.
1771 (cand_value_at): Likewise.
1772 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1773 for pointer types.
1774 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
1775 Don't convert the tem affine to the type.
1776 (add_elt_to_tree): Use sizetype for the step if a pointer.
1777 Use POINTER_PLUS_EXPR for pointers.
1778 (aff_combination_to_tree): Use sizetype for the step if a
1779 pointer.
1781 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
1783 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
1784 Remove commutativity hint.
1786 2008-03-10 Jakub Jelinek <jakub@redhat.com>
1788 PR c/35438
1789 PR c/35439
1790 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
1791 errorneous type. Check that v is a VAR_DECL.
1793 PR middle-end/35099
1794 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
1796 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
1798 PR tree-optimization/35494
1799 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
1800 may be overriden at link and run time.
1802 2008-03-10 Richard Guenther <rguenther@suse.de>
1804 PR tree-optimization/34677
1805 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
1806 (poolify_tree): Likewise.
1807 (modify_expr_template): Likewise.
1808 (poolify_modify_stmt): Likewise.
1809 (insert_fake_stores): Handle all component-ref style stores
1810 in addition to INDIRECT_REF. Also handle complex types.
1811 Do not poolify the inserted load.
1812 (realify_fake_stores): Do not rebuild the tree but only
1813 make it a SSA_NAME copy.
1814 (init_pre): Remove initialzation of modify_expr_template.
1815 Do not allocate modify_expr_node_pool.
1816 (fini_pre): Do not free modify_expr_node_pool.
1818 2008-03-10 Paul Brook <paul@codesourcery.com>
1820 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
1821 to avoid conflicts.
1823 2008-03-10 Paul Brook <paul@codesourcery.com>
1824 Mark Shinwell <shinwell@codesourcery.com>
1826 * config/arm/cortex-r4.md: New.
1827 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
1828 insn attributes.
1829 * config/arm/arm.md: Include cortex-r4.md.
1830 (insn): Add smmls, sdiv and udiv values.
1831 (generic_sched): Don't use generic scheduling for Cortex-R4.
1832 (arm_issue_rate): New function.
1833 (TARGET_SCHED_ISSUE_RATE): Define.
1835 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
1837 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
1839 2008-03-10 Richard Guenther <rguenther@suse.de>
1841 * tree-ssa-pre.c (get_sccvn_value): Simplify.
1842 (compute_avail): Do not add stmt uses to AVAIL_OUT.
1844 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
1846 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1847 Set default to true.
1849 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1851 * c.opt (Wsynth): Deprecate.
1852 * doc/invoke.texi (Option Summary, Warning Options): Document
1853 -Wno-format-contains-nul.
1855 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
1857 PR target/35496
1858 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
1859 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
1861 2008-03-09 Ira Rosen <irar@il.ibm.com>
1863 * config/rs6000/rs6000.c (builtin_description): Rename vector
1864 left shift operations.
1865 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
1866 (altivec_vsl<VI_char>): Rename to ...
1867 (ashl<mode>3): ... new name.
1868 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
1869 gen_ashlv4si3.
1870 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
1872 2008-03-08 Richard Guenther <rguenther@suse.de>
1874 * coverage.h (tree_coverage_counter_addr): Declare.
1875 * coverage.c (tree_coverage_counter_addr): New function.
1876 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
1877 before using again.
1878 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
1879 (tree_gen_one_value_profiler): Likewise.
1880 (tree_gen_ic_profiler): Likewise.
1881 (tree_gen_average_profiler): Likewise.
1882 (tree_gen_ior_profiler): Likewise.
1884 2008-03-08 Richard Guenther <rguenther@suse.de>
1886 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
1887 (vn_binary_op_insert): Likewise.
1888 (vn_unary_op_lookup): Likewise.
1889 (vn_unary_op_insert): Likewise.
1890 (vn_nary_op_lookup): Declare.
1891 (vn_nary_op_insert): Likewise.
1892 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
1893 and binary hashes, use a single obstack for unary_op_pool
1894 and binary_op_pool.
1895 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
1896 a single struct vn_nary_op_s. Store tree code length and
1897 a variable number of operands.
1898 (struct vn_reference_op_struct): Remove unused op2.
1899 (vn_reference_op_eq): Do not compare op2.
1900 (vn_reference_op_compute_hash): Do not compute hash of op2.
1901 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
1902 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
1903 with vn_nary_op_compute_hash.
1904 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
1905 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
1906 vn_nary_op_lookup.
1907 (vn_unary_op_insert, vn_binary_op_insert): Replace with
1908 vn_nary_op_insert.
1909 (visit_unary_op): Call nary functions.
1910 (visit_binary_op): Likewise.
1911 (process_scc): Adjust for struct vn_tables_s changes.
1912 (allocate_vn_table): Likewise.
1913 (free_vn_table): Likewise.
1914 * tree-vn.c (vn_add): Call nary functions.
1915 (vn_lookup): Likewise.
1917 2008-03-08 Jakub Jelinek <jakub@redhat.com>
1919 PR target/35498
1920 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
1921 wdst back after sync_compare_and_swapqhi_internal.
1923 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
1925 PR target/22152
1926 * config/i386/i386-modes.def (V1DI): New vector mode.
1927 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
1928 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
1929 (MMXMODE248): Ditto.
1930 (MMXMODE): Add V1DI mode.
1931 (mmxvecsize): Change DI mode to V1DI mode.
1932 ("mov<mode>): Use MMXMODEI8 mode iterator.
1933 ("*mov<mode>_internal_rex64"): Ditto.
1934 ("*mov<mode>_internal"): Ditto.
1935 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
1936 ("mmx_sub<mode>3"): Ditto.
1937 ("mmx_adddi3"): Remove insn pattern.
1938 ("mmx_subdi3"): Ditto.
1939 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
1940 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
1941 ("mmx_ashl<mode>3"): Ditto.
1942 ("mmx_lshrdi3"): Remove insn pattern.
1943 ("mmx_ashldi3"): Ditto.
1944 * config/i386/i386.c (classify_argument): Handle V1DImode.
1945 (function_arg_advance_32): Ditto.
1946 (function_arg_32): Ditto.
1947 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
1948 mmx_addv1di3 insn pattern.
1949 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
1950 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
1951 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
1952 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
1953 Remove definitions of built-in functions.
1954 (V1DI_type_node): New node.
1955 (v1di_ftype_v1di_int): Ditto.
1956 (v1di_ftype_v1di_v1di): Ditto.
1957 (v2si_ftype_v2si_si): Ditto.
1958 (v4hi_ftype_v4hi_di): Remove node.
1959 (v2si_ftype_v2si_di): Ditto.
1960 (ix86_init_mmx_sse_builtins): Handle V1DImode.
1961 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
1962 Redefine builtins using def_builtin_const with *_ftype_*_int node.
1963 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
1964 Add new builtins using def_builtin_const.
1965 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
1966 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
1967 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
1968 * config/i386/mmintrin.h (__v1di): New typedef.
1969 (_mm_add_si64): Cast arguments to __v1di type.
1970 (_mm_sub_si64): Ditto.
1971 (_mm_sll_pi16): Cast __count to __v4hi type.
1972 (_mm_sll_pi32): Cast __count to __v2si type.
1973 (_mm_sll_si64): Cast arguments to __v1di type.
1974 (_mm_srl_pi16): Cast __count to __v4hi type.
1975 (_mm_srl_pi32): Cast __count to __v2si type.
1976 (_mm_srl_si64): Cast arguments to __v1di type.
1977 (_mm_sra_pi16): Cast __count to __v4hi type.
1978 (_mm_sra_pi32): Cast __count to __v2si type.
1979 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
1980 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
1981 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
1982 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
1983 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
1984 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
1985 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
1986 (_mm_srai_pi32): Use __builtin_ia32_psradi.
1987 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
1988 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1989 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1990 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
1992 2008-03-07 Joseph Myers <joseph@codesourcery.com>
1994 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
1996 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
1998 PR target/35373
1999 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
2000 reg+const addressing for Altivec modes. Don't generate reg+reg
2001 addressing for TFmode or TDmode quantities.
2003 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
2005 * c-common.c (vector_types_convertible_p): Call langhook
2006 instead of comptypes.
2008 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2010 PR tree-opt/35402
2011 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
2012 integral and scalar float variables which have a
2013 NULL DECL_INITIAL.
2015 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
2017 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
2018 dwarf_register_span hook when emitting unwind information for
2019 register-to-memory saves.
2020 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
2021 (rs6000_frame_related): Remove call to spe_synthesize_frame.
2023 2008-03-06 Jakub Jelinek <jakub@redhat.com>
2025 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
2026 for the same VAR_DECL.
2028 2008-03-06 Tom Tromey <tromey@redhat.com>
2030 * treelang: Delete.
2031 * doc/standards.texi (Standards): Don't mention treelang.
2032 * doc/invoke.texi (Overall Options): Don't mention treelang.
2033 * doc/install.texi (Prerequisites): Don't mention bison or
2034 treelang.
2035 (Configuration): Don't mention treelang.
2036 (Building): Likewise.
2037 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
2039 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
2041 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
2042 word-extractions out of a multi-word object.
2044 2008-03-06 Richard Guenther <rguenther@suse.de>
2046 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
2047 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
2048 result type and precision.
2049 * expr.c (get_inner_reference): Set unsignedp based on the result
2050 type of BIT_FIELD_REF.
2051 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
2052 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
2053 (try_instantiate_multiple_fields): Likewise. Use the correct type
2054 for BIT_FIELD_REF.
2055 (sra_build_assignment): Likewise.
2056 (sra_build_elt_assignment): Likewise.
2057 (sra_explode_bitfield_assignment): Likewise.
2058 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
2059 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
2060 set BIT_FIELD_REF_UNSIGNED.
2061 (vectorizable_load): Likewise.
2063 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
2065 * cse.c (cse_extended_basic_block): Invalidate artificial defs
2066 at bb start.
2068 2008-03-06 Richard Guenther <rguenther@suse.de>
2070 * alias.c (struct alias_set_entry): Move has_zero_child field
2071 to pack with alias_set.
2073 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
2075 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2076 32bit host.
2078 2008-03-05 Ian Lance Taylor <iant@google.com>
2080 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
2082 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
2084 * fwprop.c (update_df): Support width and offset parameters of
2085 df_ref_create.
2086 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
2087 global_conflicts): Change DF_REF_EXTRACT to either
2088 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
2089 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2090 * df-scan.c (df_ref_record, df_defs_record,
2091 df_ref_create_structure, df_def_record_1, df_uses_record,
2092 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
2093 df_bb_refs_collect, df_entry_block_defs_collect,
2094 df_exit_block_uses_collect): Support new width and offset fields.
2095 (ref_extract_pool): New storage pool.
2096 (df_free_ref): New function.
2097 (df_reg_chain_unlink, df_free_collection_rec,
2098 df_sort_and_compress_refs): Call df_free_ref.
2099 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
2100 of df_ref_extract.
2101 (df_ref_create_structure): Allocate df_ref_extract if offset and
2102 width fields are used.
2103 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
2104 (df_uses_record): Get offset and width from ZERO_EXTRACT
2105 and SIGN_EXTRACT.
2106 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
2107 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
2108 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2109 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
2110 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
2111 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2112 (df_ref_extract): New structure.
2113 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
2114 (df_ref_create): Add width and offset parameters.
2116 2008-03-05 Richard Guenther <rguenther@suse.de>
2118 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2119 Use ranges_overlap_p.
2120 (offset_overlaps_with_access): Rename
2121 to ranges_overlap_p and move ...
2122 * tree-flow-inline.h (ranges_overlap_p): ... here.
2124 * tree.h (get_inner_reference, handled_component_p): Update
2125 comments.
2127 * tree.h (record_component_aliases, get_alias_set,
2128 alias_sets_conflict_p, alias_sets_must_conflict_p,
2129 objects_must_conflict_p): Move declarations ...
2130 * alias.h (record_component_aliases, get_alias_set,
2131 alias_sets_conflict_p, alias_sets_must_conflict_p,
2132 objects_must_conflict_p): ... here.
2133 Include coretypes.h.
2134 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
2136 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
2138 * cfg.c: Include tree-flow.h.
2139 (remove_edge_raw): Call redirect_edge_var_map_clear.
2140 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
2141 * tree-flow-inline.h (redirect_edge_var_map_def): New.
2142 (redirect_edge_var_map_result): New.
2143 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
2144 PENDING_STMT use with redirect_edge_var_map_*.
2145 * tree-ssa.c (edge_var_maps): New definition.
2146 (redirect_edge_var_map_add): New.
2147 (redirect_edge_var_map_clear): New.
2148 (redirect_edge_var_map_dup): New.
2149 (redirect_edge_var_map_vector): New.
2150 (redirect_edge_var_map_destroy): New.
2151 (ssa_redirect_edge): Replace PENDING_STMT use with
2152 redirect_edge_var_map_*.
2153 (flush_pending_stmts): Same.
2154 (delete_tree_ssa): Destroy edge var map.
2155 * tree-flow.h (struct _edge_var_map): New.
2156 Define edge_var_map vector type.
2157 Declare redirect_edge_var_map_* prototypes.
2158 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2159 * tree-cfg.c (reinstall_phi_args): Replace
2160 PENDING_STMT use with redirect_edge_var_map_*.
2162 2008-03-05 Richard Guenther <rguenther@suse.de>
2164 PR tree-optimization/35472
2165 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
2166 whose single use_stmt has a overlapping set of loaded and
2167 stored symbols as that use_stmt might be a noop assignment then.
2169 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2171 * gthr-rtems.h: Implement __gthread_mutex_destroy.
2173 2008-03-05 Richard Guenther <rguenther@suse.de>
2175 PR c++/35336
2176 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
2177 should be constants.
2178 * tree-cfg.c (verify_expr): Verify it.
2179 * fold-const.c (fold_truthop): Remove code generating
2180 BIT_FIELD_REFs of structure bases.
2181 (fold_binary): Likewise.
2182 (fold_ternary): Position and size of BIT_FIELD_REFs are
2183 always host integers.
2184 (make_bit_field_ref): Remove.
2185 (optimize_bit_field_compare): Remove.
2186 (all_ones_mask_p): Remove.
2188 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
2190 PR gcc/33009
2191 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
2192 (split_block_and_df_analyze): New. Split basic block and rebuild
2193 dataflow.
2194 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
2195 SPLIT_BLOCK.
2196 (split_pattern_seq): Likewise.
2197 (erase_matching_seqs): Likewise.
2198 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
2200 2008-03-04 Geoff Keating <geoffk@apple.com>
2202 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
2203 declaration and code.
2204 (tree_invalid_nonnegative_warnv_p): Likewise.
2206 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2208 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
2209 examples. Truncate option-names then causing overfull hbox.
2211 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2213 PR target/35222
2214 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2215 on hpux10.
2216 * configure: Rebuilt.
2218 2008-03-04 Rafael Espindola <espindola@google.com>
2220 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2221 (tree_unary_nonnegative_warnv_p): New.
2222 (tree_binary_nonnegative_warnv_p): New.
2223 (tree_single_nonnegative_warnv_p): New.
2224 (tree_invalid_nonnegative_warnv_p): New.
2225 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2227 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2229 PR 28322
2230 * opts.c (handle_option): Postpone 'unknown option' errors only for
2231 warning options.
2233 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
2235 PR target/35453
2236 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2237 (_SIDD_XXX): This.
2239 2008-03-04 Rafael Espindola <espindola@google.com>
2241 * fold-const.c (tree_unary_nonzero_warnv_p): New.
2242 (tree_binary_nonzero_warnv_p): New.
2243 (tree_single_nonzero_warnv_p): New.
2244 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
2246 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
2248 PR middle-end/35456
2249 * fold-const.c (fold_cond_expr_with_comparison): Prevent
2250 transformations for modes that have signed zeros.
2251 * ifcvt.c (noce_try_abs): Ditto.
2253 2008-03-04 Joseph Myers <joseph@codesourcery.com>
2255 * config/i386/i386.c (override_options): Force
2256 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
2258 2008-03-04 Jan Hubicka <jh@suse.cz>
2260 PR c++/35262
2261 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2262 in last commit.
2264 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
2266 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
2267 label to probe the stack.
2269 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
2271 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2272 (__gthr_win32_mutex_destroy): Declare.
2273 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2274 __gthr_win32_mutex_destroy.
2275 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
2277 2008-03-03 Jan Hubicka <jh@suse.cz>
2279 PR c++/35262
2280 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2281 aggressive on inlining cold calls.
2283 2008-03-03 Richard Guenther <rguenther@suse.de>
2285 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2286 struct copies into the expression table.
2287 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2288 (try_to_simplify): Likewise.
2289 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2290 integral and pointer arguments which do not change the
2291 precision to NOP_EXPRs.
2292 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2293 VIEW_CONVERT_EXPR case.
2295 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
2297 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2298 defined in a loop at depth 0 is invariant.
2299 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2300 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2301 be called at loop depth 0.
2303 2008-03-02 Jakub Jelinek <jakub@redhat.com>
2305 PR driver/35420
2306 * gcc.c (process_command): Update copyright notice dates.
2307 * gcov.c (print_version): Likewise.
2308 * gcov-dump.c (print_version): Likewise.
2309 * mips-tfile.c (main): Likewise.
2310 * mips-tdump.c (main): Likewise.
2312 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2314 PR 24924
2315 * c-common.c (flag_permissive): Delete.
2316 (constant_expression_warnings): Check flags first.
2317 (constant_expression_error): New.
2318 * c-common.h (flag_permissive): Delete.
2319 (constant_expression_error): Declare.
2320 * flags.h (flag_permissive): Declare. Update description.
2321 * diagnostic.c (pedwarn): Update.
2322 (permerror): New.
2323 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2324 (permissive_error_kind): New.
2325 * toplev.c (flag_permissive): Define. Update description.
2326 * toplev.h (permissive_error_kind): Declare.
2327 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2328 (pedwarn_c90): Use pedantic_warning_kind.
2329 * c-opts.c (c_common_post_options): flag_permissive does not affect
2330 flag_pedantic_errors.
2332 2008-03-02 Joseph Myers <joseph@codesourcery.com>
2334 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2335 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2336 __absvsi2, __absvDI2): Use unsigned arithmetic.
2338 2008-03-02 Andi Kleen <ak@suse.de>
2339 Richard Guenther <rguenther@suse.de>
2341 * struct-equiv.c: Remove file.
2342 * cfg_cleanup.c (condjump_equiv_p): Remove.
2343 * Makefile.in (OBJS-common): Remove struct-equiv.o.
2344 (struct-equiv.o): Remove rule.
2345 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2346 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
2347 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2349 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
2351 * ifcvt.c (noce_process_if_block): Try to handle only the then
2352 block if the else block exists but isn't suitable.
2354 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
2356 PR gcc/35063
2357 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2358 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2359 regression from previous patch.
2361 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
2363 PR gcc/35063
2364 * gthr.h: Add __gthread_mutex_destroy as a function that must be
2365 implemented.
2366 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2367 * gthr-single.h (__gthread_mutex_destroy): Likewise.
2368 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2369 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2370 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2371 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2372 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2373 (__gthread_mutex_destroy_function): Rename to
2374 __gthread_mutex_destroy.
2375 * gthr-dce.h (__gthread_mutex_destroy): Call
2376 pthread_mutex_destroy.
2377 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2378 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2379 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2381 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
2383 * df-scan.c (df_ref_chain_change_bb): Simplify.
2384 (df_insn_change_bb): Add new_bb argument. Simplify. Call
2385 set_block_for_insn if there's any change.
2386 * df.h ((df_insn_change_bb): Fix prototype.
2387 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2388 df_insn_change_bb, don't call set_block_for_insn.
2389 * emit-rtl.c (reorder_insns): Likewise.
2390 * haifa-sched.c (move_insn): Likewise.
2392 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
2394 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2396 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
2398 * tree-flow-inline.h (next_readonly_imm_use): Return
2399 NULL_USE_OPERAND_P after the end.
2401 2008-03-01 Richard Guenther <rguenther@suse.de>
2403 PR tree-optimization/35411
2404 * tree-sra.c (sra_build_assignment): Split conversion to
2405 final type to a separate statement if we are not assigning
2406 to a register.
2408 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2410 * fold-const.c (fold_convertible_p): Correct the logic to follow
2411 that in fold_convert().
2413 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
2415 PR c++/35315
2416 * tree-inline.c (build_duplicate_type): When we make a
2417 duplicate type, make it unique in the canonical types system.
2419 2008-02-29 Tom Tromey <tromey@redhat.com>
2421 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2422 input_file_stack_history, input_file_stack_restored): Remove.
2423 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2424 * input.h (struct file_stack): Remove.
2425 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2426 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2427 Likewise.
2428 * diagnostic.h (struct diagnostic_context) <last_module>: Change
2429 type.
2430 (diagnostic_last_module_changed): Add 'map' argument.
2431 (diagnostic_set_last_function): Likewise.
2432 * diagnostic.c (undiagnostic_report_current_module): Iterate using
2433 line map, not input_file_stack.
2434 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2436 2008-02-29 Paul Brook <paul@codesourcery.com>
2438 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2440 2008-02-29 Paul Brook <paul@codesourcery.com>
2442 * config/arm/ieee754-df.S (muldf3): Use RET macros.
2444 2008-02-29 Richard Guenther <rguenther@suse.de>
2446 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2447 vn_lookup_or_add.
2448 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2449 value for comparing for a store match.
2450 (simplify_unary_expression): Do nothing for SSA_NAMEs.
2451 (try_to_simplify): Do not do a full-blown reference lookup.
2453 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
2455 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2456 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2458 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2460 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
2462 * tree-loop-linear.c (try_interchange_loops): Compare memory access
2463 strides against cache sizes.
2465 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
2467 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2468 constant to fpul.
2470 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
2472 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2473 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2474 is smaller than the original promoted value.
2475 (simplify_subreg): If OP is a SUBREG, try to preserve its
2476 SUBREG_PROMOTED_VAR_P information.
2478 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
2480 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2481 (VN_INFO_GET): Allocate new objects on the obstack.
2482 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
2483 for rpo_numbers_temp, for consistency.
2484 (free_scc_vn): Free the obstack.
2486 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
2488 * doc/invoke.texi: Document -ftree-loop-distribution.
2489 * tree-loop-distribution.c: New.
2490 * tree-pass.h (pass_loop_distribution): New.
2491 * graphds.h (struct graph): Add htab_t indices.
2492 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2493 * tree-vectorizer.c (rename_variables_in_loop): Extern.
2494 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2495 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2496 * tree-data-ref.c (debug_data_dependence_relations): New.
2497 (dump_data_dependence_relation): Also print data references.
2498 (free_data_ref): Extern.
2499 (same_access_functions): Moved...
2500 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2501 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2502 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2503 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2504 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2505 (stmts_from_loop): Skip LABEL_EXPR.
2506 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2507 New.
2508 (build_rdg): Initialize rdg->indices htab.
2509 (free_rdg, stores_from_loop, ref_base_address,
2510 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2511 have_similar_memory_accesses_1, ref_base_address_1,
2512 remove_similar_memory_refs): New.
2513 * tree-data-ref.h: Depend on tree-chrec.h.
2514 (debug_data_dependence_relations, free_data_ref): Declared.
2515 (same_access_functions): ... here.
2516 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2517 New.
2518 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2519 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2520 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2521 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2522 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2523 rdg_vertex_for_stmt): Declared.
2524 (struct rdg_edge): Add level.
2525 (RDGE_LEVEL): New.
2526 (free_rdg, stores_from_loop, remove_similar_memory_refs,
2527 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2528 Declared.
2529 (rdg_has_similar_memory_accesses): New.
2530 * tree-vect-analyze.c: Remove unused static decls.
2531 * lambda.h (dependence_level): New.
2532 * common.opt (ftree-loop-distribution): New.
2533 * tree-flow.h (mark_virtual_ops_in_bb,
2534 slpeel_tree_duplicate_loop_to_edge_cfg,
2535 rename_variables_in_loop): Declared.
2536 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2537 (OBJS-common): Add tree-loop-distribution.o.
2538 (tree-loop-distribution.o): New rule.
2539 * tree-cfg.c (mark_virtual_ops_in_bb): New.
2540 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2541 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2543 2008-02-28 Joseph Myers <joseph@codesourcery.com>
2545 PR target/33963
2546 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
2547 other than structures and unions.
2549 2008-02-28 Richard Guenther <rguenther@suse.de>
2551 Revert:
2552 2008-02-26 Richard Guenther <rguenther@suse.de>
2554 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2555 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2556 (lookup_decl_from_uid): Declare.
2557 (remove_decl_from_map): Likewise.
2558 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2559 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2560 (decl_for_uid_map): New global hashtable mapping DECL_UID
2561 to the decl tree.
2562 (init_ttree): Allocate it.
2563 (insert_decl_to_uid_decl_map): New helper function.
2564 (make_node_stat): Insert new decls into the map.
2565 (copy_node_stat): Likewise.
2566 (lookup_decl_from_uid): New function.
2567 (remove_decl_from_map): Likewise.
2568 (print_decl_for_uid_map_statistics): New helper.
2569 (dump_tree_statistics): Call it.
2571 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2572 (referenced_var_iterator): Adjust.
2573 (FOR_EACH_REFERENCED_VAR): Adjust.
2574 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2575 (num_referenced_vars): Adjust.
2576 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2577 (first_referenced_var): Remove.
2578 (end_referenced_vars_p): Likewise.
2579 (next_referenced_var): Likewise.
2580 (referenced_var_iterator_set): New helper function.
2581 * tree-dfa.c (referenced_var_lookup): Adjust.
2582 (referenced_var_check_and_insert): Likewise.
2583 (remove_referenced_var): Likewise.
2584 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2585 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2586 (verify_call_clobbering): Likewise.
2587 (verify_memory_partitions): Likewise.
2588 (init_tree_ssa): Allocate bitmap instead of hashtable for
2589 referenced_vars.
2590 (delete_tree_ssa): Adjust.
2591 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2592 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2593 (compute_tag_properties): Likewise.
2594 (set_initial_properties): Likewise.
2595 (find_partition_for): Likewise.
2596 (update_reference_counts): Likewise.
2597 (dump_may_aliases_for): Likewise.
2598 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2599 (add_call_clobber_ops): Likewise.
2600 (add_call_read_ops): Likewise.
2601 (get_asm_expr_operands): Likewise.
2602 * tree-into-ssa.c (dump_decl_set): Likewise.
2603 (update_ssa): Likewise.
2604 * tree-sra.c (scan_function): Likewise.
2605 (decide_instantiations): Likewise.
2606 (scalarize_parms): Likewise.
2607 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2608 (dsa_named_for): Likewise.
2609 * tree-ssa-structalias.c (update_alias_info): Likewise.
2610 (merge_smts_into): Likewise.
2612 2008-02-27 David Daney <ddaney@avtrex.com>
2614 PR target/34409
2615 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
2616 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
2617 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
2618 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
2619 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
2621 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
2623 PR target/25477
2624 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
2625 (BUILT_IN_NEXTTOWARD): Remove.
2626 (BUILT_IN_NEXTTOWARDF): Ditto.
2627 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
2628 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
2630 2008-02-27 Tom Tromey <tromey@redhat.com>
2632 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2633 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2635 2008-02-27 Jan Beulich <jbeulich@novell.com>
2637 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2638 update the respective field on newdecl.
2640 2008-02-27 Revital Eres <eres@il.ibm.com>
2642 PR rtl-optimization/34999
2643 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2644 crossing edges that ends with a call insn.
2645 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2646 call insn and clear the EDGE_CROSSING flag of the crossing edge
2647 when fixing fallthru edges.
2649 2008-02-27 Richard Guenther <rguenther@suse.de>
2651 PR middle-end/35390
2652 * fold-const.c (fold_unary): Return the correct argument,
2653 converted to the result type.
2655 2008-02-27 Richard Guenther <rguenther@suse.de>
2657 PR middle-end/34971
2658 * expr.c (expand_expr_real_1): Assert on rotates that operate
2659 on partial modes.
2660 * fold-const.c (fold_binary): Use the types precision, not the
2661 bitsize of the mode if folding rotate expressions. Build rotates
2662 only for full modes.
2664 2008-02-27 Jakub Jelinek <jakub@redhat.com>
2666 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2667 and CPP_PRAGMA_EOL.
2668 * c-pragma.c (pragma_ns_name): New typedef.
2669 (registered_pp_pragmas): New variable.
2670 (c_pp_lookup_pragma): New function.
2671 (c_register_pragma_1): If flag_preprocess_only, do nothing
2672 for non-expanded pragmas, for expanded ones push pragma's
2673 namespace and name into registered_pp_pragmas vector.
2674 (c_invoke_pragma_handler): Register OpenMP pragmas even when
2675 flag_preprocess_only, don't register GCC pch_preprocess
2676 pragma if flag_preprocess_only.
2677 * c-opts.c (c_common_init): Call init_pragma even if
2678 flag_preprocess_only.
2679 * c-pragma.c (c_pp_lookup_pragma): New prototype.
2680 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2681 cpp_register_pragma if flag_preprocess_only.
2683 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2685 PR c/28800
2686 * c-parser.c (c_parser_translation_unit): Warn for empty
2687 translation unit, not empty source file.
2689 2008-02-26 Paul Brook <paul@codesourcery.com>
2691 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2692 operand for Thumb-2.
2693 * config/arm/arm.h (reg_class): Add CORE_REGS.
2694 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2695 (BASE_REG_CLASS): Use CORE_REGS.
2696 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2697 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2698 (REGNO_OK_FOR_INDEX_P): Exclude SP.
2699 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
2700 ARM_REGNO_OK_FOR_INDEX_P.
2701 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2702 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2703 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2704 (ldm/stm peepholes): Ditto.
2705 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2706 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2707 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2708 * config/arm/constraints.md: Enable "k" constraint on ARM.
2710 2008-02-27 Ben Elliston <bje@au.ibm.com>
2712 * config/rs6000/rs6000.c: Annotate cache line size field in all
2713 instances of struct processor_costs.
2715 2008-02-26 David Edelsohn <edelsohn@gnu.org>
2717 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2718 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2719 jump_bypass): New counters.
2720 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2721 * dce.c (gate_ud_dce): Same.
2722 (gate_fast_dce): Same.
2723 * dse.c (gate_dse1): New function.
2724 (gate_dse2): New function.
2725 (gate_dse): Merge results of new gate functions.
2726 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2727 (gate_handle_jump_bypass): Add dbg_cnt.
2728 (gate_handle_gcse): Add dbg_cnt.
2729 * ifcvt.c (gate_handle_if_conversion): Same.
2730 (gate_handle_if_after_combine): Same.
2731 (gate_handle_if_after_reload): Same.
2732 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2734 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
2736 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2737 line sizes.
2738 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
2740 2008-02-26 Jason Merrill <jason@redhat.com>
2742 PR c++/35315
2743 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
2744 alone if it's the naming decl for the type's main variant.
2746 2008-02-26 Tom Tromey <tromey@redhat.com>
2748 * system.h (USE_MAPPED_LOCATION): Poison.
2749 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
2750 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
2751 (make_goto_expr_edges): Likewise.
2752 (remove_bb): Likewise.
2753 (execute_warn_function_return): Likewise.
2754 * basic-block.h (struct edge_def) <goto_locus>: Change type to
2755 location_t.
2756 * c-common.c (fname_decl): Remove old location code.
2757 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2758 location code.
2759 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2760 variant.
2761 (ASM_INPUT_SOURCE_LOCATION): Likewise.
2762 (gen_rtx_ASM_INPUT): Likewise.
2763 (gen_rtx_ASM_INPUT_loc): Likewise.
2764 (get_rtx_asm_OPERANDS): Remove.
2765 * cfglayout.c (insn_locators_alloc): Remove old location code.
2766 (set_curr_insn_source_location): Likewise.
2767 (curr_insn_locator): Likewise.
2768 * print-tree.c (print_node): Remove old location code.
2769 * tree-mudflap.c (mf_varname_tree): Remove old location code.
2770 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2771 * cfgexpand.c (expand_gimple_cond_expr): Don't use
2772 location_from_locus.
2773 (construct_exit_block): Remove old location code.
2774 * emit-rtl.c (force_next_line_note): Remove old location code.
2775 * profile.c (branch_prob): Remove old location code.
2776 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
2777 LOC_LINE): Remove old-location variants.
2778 * langhooks.c (lhd_print_error_function): Remove old location
2779 code.
2780 * configure, config.in: Rebuilt.
2781 * configure.ac (--enable-mapped-location): Remove.
2782 * c-decl.c (c_init_decl_processing): Remove old location code.
2783 (finish_function): Likewise.
2784 * recog.c (decode_asm_operands): Remove old location code.
2785 * c-pch.c (c_common_read_pch): Remove old location code.
2786 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
2787 variants.
2788 * gimple-low.c (lower_function_body): Remove old location code.
2789 * toplev.c (unknown_location): Remove.
2790 (push_srcloc): Remove old-location variant.
2791 (process_options): Remove old location code.
2792 (lang_dependent_init): Likewise.
2793 * input.h (UNKNOWN_LOCATION): Move definition.
2794 (location_t): Undeprecate.
2795 (source_locus): Remove.
2796 (location_from_locus): Remove.
2797 (struct location_s): Remove.
2798 Remove all old-location code.
2799 (input_line, input_filename): Remove.
2800 * final.c (final_scan_insn): Remove old location code.
2801 * diagnostic.c (diagnostic_build_prefix): Remove
2802 USE_MAPPED_LOCATION test.
2803 * tree.h (gimple_stmt) <locus>: Now a location_t.
2804 (tree_exp) <locus>: Likewise.
2805 (DECL_IS_BUILTIN): Remove old-location variant.
2806 (annotate_with_file_line, annotate_with_locus): Likewise.
2807 (expr_locus, set_expr_locus): Update.
2808 * tree.c (build1_stat): Remove old location code.
2809 (last_annotated_node): Remove.
2810 (annotate_with_file_line): Remove old-location variant.
2811 (annotate_with_locus): Likewise.
2812 (expr_location): Remove old location code.
2813 (set_expr_location): Likewise.
2814 (expr_has_location): Likewise.
2815 (expr_locus): Likewise.
2816 (set_expr_locus): Likewise.
2817 (expr_filename): Don't use location_from_locus.
2818 (expr_lineno): Likewise.
2819 * rtl-error.c (location_for_asm): Remove old location code.
2820 * c-lex.c (cb_line_change): Remove old location code.
2821 (fe_file_change): Likewise.
2822 (cb_def_pragma): Likewise.
2823 (c_lex_with_flags): Likewise.
2824 * gengtype.c (do_typedef): Don't special-case location types.
2825 (define_location_structures): Remove.
2826 (main): Don't call define_location_structures.
2827 * tree-pretty-print.c (dump_implicit_edges): Remove old location
2828 code.
2830 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2832 PR 26264
2833 * builtins.def (BUILT_IN_STDARG_START): Remove.
2834 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
2835 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2836 * tree-inline.c (inline_forbidden_p_1): Likewise.
2838 2008-02-26 Richard Guenther <rguenther@suse.de>
2840 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2841 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2842 (lookup_decl_from_uid): Declare.
2843 (remove_decl_from_map): Likewise.
2844 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2845 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2846 (decl_for_uid_map): New global hashtable mapping DECL_UID
2847 to the decl tree.
2848 (init_ttree): Allocate it.
2849 (insert_decl_to_uid_decl_map): New helper function.
2850 (make_node_stat): Insert new decls into the map.
2851 (copy_node_stat): Likewise.
2852 (lookup_decl_from_uid): New function.
2853 (remove_decl_from_map): Likewise.
2854 (print_decl_for_uid_map_statistics): New helper.
2855 (dump_tree_statistics): Call it.
2857 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2858 (referenced_var_iterator): Adjust.
2859 (FOR_EACH_REFERENCED_VAR): Adjust.
2860 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2861 (num_referenced_vars): Adjust.
2862 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2863 (first_referenced_var): Remove.
2864 (end_referenced_vars_p): Likewise.
2865 (next_referenced_var): Likewise.
2866 (referenced_var_iterator_set): New helper function.
2867 * tree-dfa.c (referenced_var_lookup): Adjust.
2868 (referenced_var_check_and_insert): Likewise.
2869 (remove_referenced_var): Likewise.
2870 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2871 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2872 (verify_call_clobbering): Likewise.
2873 (verify_memory_partitions): Likewise.
2874 (init_tree_ssa): Allocate bitmap instead of hashtable for
2875 referenced_vars.
2876 (delete_tree_ssa): Adjust.
2877 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2878 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2879 (compute_tag_properties): Likewise.
2880 (set_initial_properties): Likewise.
2881 (find_partition_for): Likewise.
2882 (update_reference_counts): Likewise.
2883 (dump_may_aliases_for): Likewise.
2884 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2885 (add_call_clobber_ops): Likewise.
2886 (add_call_read_ops): Likewise.
2887 (get_asm_expr_operands): Likewise.
2888 * tree-into-ssa.c (dump_decl_set): Likewise.
2889 (update_ssa): Likewise.
2890 * tree-sra.c (scan_function): Likewise.
2891 (decide_instantiations): Likewise.
2892 (scalarize_parms): Likewise.
2893 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2894 (dsa_named_for): Likewise.
2895 * tree-ssa-structalias.c (update_alias_info): Likewise.
2896 (merge_smts_into): Likewise.
2898 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2900 PR 34351
2901 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
2902 * c-opts.c (c_common_handle_option): Wall enables
2903 Wvolatile-register-var.
2904 * common.opt: Move Wvolatile-register-var to...
2905 * c.opt: ...here.
2907 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2909 * common.opt (Wlarger-than=): New.
2910 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
2911 -Wlarger-than=.
2912 * opts.c (common_handle_option): Handle -Wlarger-than=.
2913 * optc-gen.awk: Likewise.
2914 * opth-gen.awk: Likewise.
2915 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
2916 * tree-optimize.c (tree_rest_of_compilation): Likewise.
2918 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2920 * c-common.c (match_case_to_enum_1): Add appropriate
2921 OPT_W* parameter to warning.
2922 (c_do_switch_warnings): Likewise.
2923 * c-typeck.c (warning_init): Add one more parameter following
2924 'warning' function.
2925 (push_init_level): Update call to warning_init.
2926 (pop_init_level): Likewise.
2927 (add_pending_init): Likewise.
2928 (output_init_element: Likewise.
2930 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2932 PR 28322
2933 * toplev.c (toplev_main): If there are warnings or error, print
2934 errors for ignored options.
2935 * opts.c (ignored_options): New static variable.
2936 (postpone_unknown_option_error): New.
2937 (print_ignored_options): New.
2938 (handle_option): Postpone errors for unknown -Wno-* options.
2939 * opts.h (print_ignored_options): Declare.
2941 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
2943 * config/mips/mips.md (loadgp_blockage, blockage): Change type
2944 to "ghost".
2946 2008-02-25 Richard Guenther <rguenther@suse.de>
2948 Revert:
2949 2008-02-25 Richard Guenther <rguenther@suse.de>
2951 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2952 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2953 (lookup_decl_from_uid): Declare.
2954 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2955 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2956 (decl_for_uid_map): New global hashtable mapping DECL_UID
2957 to the decl tree.
2958 (init_ttree): Allocate it.
2959 (insert_decl_to_uid_decl_map): New helper function.
2960 (make_node_stat): Insert new decls into the map.
2961 (copy_node_stat): Likewise.
2962 (lookup_decl_from_uid): New function.
2963 (print_decl_for_uid_map_statistics): New helper.
2964 (dump_tree_statistics): Call it.
2966 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2967 (referenced_var_iterator): Adjust.
2968 (FOR_EACH_REFERENCED_VAR): Adjust.
2969 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2970 (num_referenced_vars): Adjust.
2971 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2972 (first_referenced_var): Remove.
2973 (end_referenced_vars_p): Likewise.
2974 (next_referenced_var): Likewise.
2975 (referenced_var_iterator_set): New helper function.
2976 * tree-dfa.c (referenced_var_lookup): Adjust.
2977 (referenced_var_check_and_insert): Likewise.
2978 (remove_referenced_var): Likewise.
2979 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2980 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2981 (verify_call_clobbering): Likewise.
2982 (verify_memory_partitions): Likewise.
2983 (init_tree_ssa): Allocate bitmap instead of hashtable for
2984 referenced_vars.
2985 (delete_tree_ssa): Adjust.
2986 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2987 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2988 (compute_tag_properties): Likewise.
2989 (set_initial_properties): Likewise.
2990 (find_partition_for): Likewise.
2991 (update_reference_counts): Likewise.
2992 (dump_may_aliases_for): Likewise.
2993 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2994 (add_call_clobber_ops): Likewise.
2995 (add_call_read_ops): Likewise.
2996 (get_asm_expr_operands): Likewise.
2997 * tree-into-ssa.c (dump_decl_set): Likewise.
2998 (update_ssa): Likewise.
2999 * tree-sra.c (scan_function): Likewise.
3000 (decide_instantiations): Likewise.
3001 (scalarize_parms): Likewise.
3002 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3003 (dsa_named_for): Likewise.
3004 * tree-ssa-structalias.c (update_alias_info): Likewise.
3005 (merge_smts_into): Likewise.
3007 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
3009 PR fortran/29549
3010 * doc/invoke.texi (-fcx-limited-range): Document new option.
3011 * toplev.c (process_options): Handle -fcx-fortran-rules.
3012 * common.opt: Add documentation for -fcx-fortran-rules.
3014 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
3016 PR c/35162
3017 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
3018 actual behaviour and C99.
3020 2008-02-26 Ben Elliston <bje@au.ibm.com>
3022 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
3023 (ASM_CPU_POWER6_SPEC): Likewise.
3024 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
3025 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
3026 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
3028 2008-02-25 Richard Guenther <rguenther@suse.de>
3030 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3031 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3032 (lookup_decl_from_uid): Declare.
3033 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3034 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3035 (decl_for_uid_map): New global hashtable mapping DECL_UID
3036 to the decl tree.
3037 (init_ttree): Allocate it.
3038 (insert_decl_to_uid_decl_map): New helper function.
3039 (make_node_stat): Insert new decls into the map.
3040 (copy_node_stat): Likewise.
3041 (lookup_decl_from_uid): New function.
3042 (print_decl_for_uid_map_statistics): New helper.
3043 (dump_tree_statistics): Call it.
3045 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3046 (referenced_var_iterator): Adjust.
3047 (FOR_EACH_REFERENCED_VAR): Adjust.
3048 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3049 (num_referenced_vars): Adjust.
3050 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3051 (first_referenced_var): Remove.
3052 (end_referenced_vars_p): Likewise.
3053 (next_referenced_var): Likewise.
3054 (referenced_var_iterator_set): New helper function.
3055 * tree-dfa.c (referenced_var_lookup): Adjust.
3056 (referenced_var_check_and_insert): Likewise.
3057 (remove_referenced_var): Likewise.
3058 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3059 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3060 (verify_call_clobbering): Likewise.
3061 (verify_memory_partitions): Likewise.
3062 (init_tree_ssa): Allocate bitmap instead of hashtable for
3063 referenced_vars.
3064 (delete_tree_ssa): Adjust.
3065 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3066 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3067 (compute_tag_properties): Likewise.
3068 (set_initial_properties): Likewise.
3069 (find_partition_for): Likewise.
3070 (update_reference_counts): Likewise.
3071 (dump_may_aliases_for): Likewise.
3072 * tree-ssa-operands.c (add_virtual_operand): Likewise.
3073 (add_call_clobber_ops): Likewise.
3074 (add_call_read_ops): Likewise.
3075 (get_asm_expr_operands): Likewise.
3076 * tree-into-ssa.c (dump_decl_set): Likewise.
3077 (update_ssa): Likewise.
3078 * tree-sra.c (scan_function): Likewise.
3079 (decide_instantiations): Likewise.
3080 (scalarize_parms): Likewise.
3081 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3082 (dsa_named_for): Likewise.
3083 * tree-ssa-structalias.c (update_alias_info): Likewise.
3084 (merge_smts_into): Likewise.
3086 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
3088 PR target/35258
3089 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
3090 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
3091 * alias.h (nonoverlapping_memrefs_p): Likewise.
3093 2008-02-25 Jan Beulich <jbeulich@novell.com>
3095 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
3096 * config/i386/netware-libgcc.exp: Add __bswap?i2,
3097 __emultls_get_address, __emultls_register_common,
3098 __floatundi?f, and _Unwind_GetIPInfo.
3099 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
3100 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
3101 (gen_regparm_prefix): Likewise.
3102 (i386_nlm_encode_section_info): Sync with
3103 config/i386/winnt.c:i386_pe_encode_section_info().
3104 (i386_nlm_maybe_mangle_decl_assembler_name): New.
3105 i386_nlm_mangle_decl_assembler_name): New.
3106 (netware_override_options): New.
3107 * config/i386/netware.h (netware_override_options): Declare.
3108 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
3109 (i386_nlm_mangle_decl_assembler_name): Declare.
3110 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
3112 2008-02-25 Ben Elliston <bje@au.ibm.com>
3114 PR other/32948
3115 * c-decl.c (grokdeclarator): Remove unused local variables
3116 `typedef_type' and `type_as_written'.
3117 * bb-reorder.c
3118 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
3119 unused local variable `has_hot_blocks'.
3120 (fix_crossing_conditional_branches): Remove unused local variable
3121 `prev_bb'.
3123 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
3125 PR middle-end/19984
3126 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
3127 using DEF_C99_BUILTIN.
3128 (BUILT_IN_NANF): Ditto.
3129 (BUILT_IN_NANL): Ditto.
3131 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
3132 Revital Eres <eres@il.ibm.com>
3134 * modulo-sched.c (calculate_must_precede_follow): Address TODO
3135 regarding the order of two dependent insns in the same row.
3137 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
3139 * stor-layout.c (layout_decl): Do not bump the alignment of a
3140 bit-field to more than byte alignment if it is packed.
3142 2008-02-24 David Edelsohn <edelsohn@gnu.org>
3144 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
3145 e300c2 and e300c3.
3147 2008-02-24 Diego Novillo <dnovillo@google.com>
3149 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
3151 PR 33738
3152 * tree-vrp.c (vrp_evaluate_conditional): With
3153 -Wtype-limits, emit a warning when comparing against a
3154 constant outside the natural range of OP0's type.
3155 * c.opt (Wtype-limits): Move ...
3156 * common.opt (Wtype-limits): ... here.
3158 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
3160 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
3161 * config/rs6000/e300c2c3.md: New file.
3162 * config/rs6000/rs6000.c (processor_costs): Add new costs for
3163 e300c2 and e300c3.
3164 (rs6000_override_options): Add e300c2 and e300c3 cases to
3165 processor_target_table. Do not allow usage of Altivec or Spe
3166 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
3167 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
3168 * config/rs6000/rs6000.h (processor_type): Add
3169 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
3170 (ASM_CPU_SPEC): Add e300c2 and e300c3.
3171 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
3172 and ppce300c3. Include e300c2c3.md.
3174 2008-02-23 David Edelsohn <edelsohn@gnu.org>
3176 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
3177 instead of TARGET_STRICT_ALIGN.
3179 2008-02-23 Joseph Myers <joseph@codesourcery.com>
3181 * explow.c (memory_address): Assert that the generated address is
3182 valid.
3184 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3186 PR target/25477
3187 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
3188 * config/darwin-ppc-ldouble-patch.def: New file.
3189 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
3190 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
3191 SUBTARGET_INIT_BUILTINS if defined.
3192 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
3193 New functions.
3195 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
3197 PR rtl-opt/33512
3198 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
3199 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
3201 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
3203 PR pch/35027
3204 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
3205 file" warning condtional on -Winvalid-PCH.
3207 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
3209 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
3211 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
3213 PR target/22076
3214 PR target/34256
3215 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
3216 prevent reload from using MMX registers.
3217 (*mov<mode>_internal): Ditto.
3218 (*movv2sf_internal_rex64): Ditto.
3219 (*movv2sf_internal): Ditto.
3221 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3223 PR documentation/31569
3224 * doc/install.texi2html: Use makeinfo --no-number-sections.
3226 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
3228 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
3229 ensure that we can address an entire entity > 8 bytes. Don't
3230 generate reg+reg addressing for such data.
3232 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
3234 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
3235 strings when optimizing for size, unless the target cares about
3236 alignment.
3238 2008-02-22 Tom Tromey <tromey@redhat.com>
3240 * regclass.c (current_pass): Remove declaration.
3242 2008-02-22 Anatoly Sokolov <aesok@post.ru>
3244 * config/avr/libgcc.S (__RAMPZ__): Define.
3245 (__do_copy_data): Add for devices with 128KB code memory.
3247 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
3249 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3250 Use spe_abi.
3251 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
3253 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
3255 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
3256 GENNONACR_REGS.
3258 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3260 PR c/19999
3261 * c-typeck.c (build_binary_op): Warn about floating point
3262 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
3264 2008-02-21 Janis Johnson <janis187@us.ibm.com>
3266 PR target/34526
3267 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
3268 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
3269 add vrsave.
3270 (rs6000_override_options): Set altivec_abi as default, not override,
3271 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
3272 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
3273 is used; use new member spe_abi.
3274 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
3275 spe_abi and altivec_abi.
3277 2008-02-22 Tomas Bily <tbily@suse.cz>
3279 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
3281 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3283 PR bootstrap/35273
3284 * config.build (build_file_translate): Set to `CMD //c' only if
3285 it works.
3286 * Makefile.in (build_file_translate): Improve comment.
3288 2008-02-21 Jan Hubicka <jh@suse.cz>
3290 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
3291 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
3292 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
3294 2008-02-21 Michael Matz <matz@suse.de>
3296 PR target/35264
3297 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
3299 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
3301 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
3302 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
3303 as insn constraint.
3304 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
3305 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
3306 SSE_VEC_FLOAT_MODE_P as insn constraint.
3307 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
3308 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
3309 sse4a_movntdf using MODEF mode iterator.
3310 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
3311 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
3312 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
3313 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
3314 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
3315 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
3316 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
3318 2008-02-21 Richard Guenther <rguenther@suse.de>
3320 * tree.def (PAREN_EXPR): New tree code.
3321 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
3322 and PAREN_EXPR.
3323 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
3324 * expr.c (expand_expr_real_1): Likewise.
3325 * tree-inline.c (estimate_num_insns_1): Likewise.
3326 * tree-complex.c (expand_complex_move): Likewise.
3327 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
3328 as plain x.
3330 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
3332 PR target/35225
3333 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
3335 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
3337 PR target/35190
3338 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
3340 * config/sh/sh.c (find_barrier): Don't go past
3341 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
3343 2008-02-20 DJ Delorie <dj@redhat.com>
3345 * config/h8300/h8300.md (insv): Force source operand to be a register.
3347 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
3348 as a jump, not as a plain insn.
3350 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
3352 * doc/invoke.texi (Warning Options): Add new option
3353 -Wframe-larger-than=.
3354 (-Wframe-larger-than): Document.
3356 * flags.h (warn_frame_larger_than, frame_larger_than_size):
3357 Add declarations for new option variables.
3359 * final.c (final_start_function): Check the frame size
3360 before emission and issue a Wframe-larger-than warning.
3362 * opts.c (warn_frame_larger_than, frame_larger_than_size):
3363 Add definitions for new option variables.
3364 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
3366 * common.opt (Wframe-larger-than=): New option.
3368 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
3370 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
3371 (<sse>_div<mode>3): Ditto.
3372 (<sse>_vmdiv<mode>3): Ditto.
3373 (<sse>_vmsqrt<mode>2): Ditto.
3374 (*smax<mode>3): Ditto.
3375 (sse5_frcz<mode>2): Ditto.
3376 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
3377 as insn constraint.
3379 2008-02-20 Richard Guenther <rguenther@suse.de>
3381 PR middle-end/35265
3382 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
3383 be happy with INTEGRAL_TYPE_P.
3385 2008-02-20 Richard Guenther <rguenther@suse.de>
3387 * fold-const.c (split_tree): Associate floatig-point expressions
3388 if flag_associative_math is set.
3390 2008-02-20 Richard Guenther <rguenther@suse.de>
3392 * tree.h (fold_real_zero_addition_p): Declare.
3393 * fold-const.c (fold_real_zero_addition_p): Export.
3394 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
3395 floating-point operations with zero and one.
3397 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
3399 * doc/install.texi: Correct references to CFLAGS, replacing them
3400 with BOOT_CFLAGS. Document flags used during bootstrap for
3401 target libraries.
3403 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
3405 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
3406 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
3407 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
3408 insn constraint.
3409 (smin<mode>3): Ditto from similar patterns.
3410 (smax<mode>3): Ditto.
3411 (*ieee_smin<mode>3): Ditto.
3412 (*ieee_smax<mode>3): Ditto.
3413 * config/i386/sse.md (sse): New mode attribute.
3414 (mov<mode>): Macroize expander from movv4sf and movv2df using
3415 SSEMODEF2P mode iterator.
3416 (<sse>_movnt<mode>): Ditto from similar patterns. Use
3417 SSE_VEC_FLOAT_MODE_P as insn constraint.
3418 (storent<mode>): Ditto.
3419 (storent<mode>): Macroize expander from storentsf and storentdf using
3420 MODEF mode iterator.
3421 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
3422 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
3423 (abs<mode>2): Ditto from similar patterns.
3424 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
3425 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
3426 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
3427 (<sse>_vmsqrt<mode>2): Ditto.
3428 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
3429 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
3430 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
3431 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
3432 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
3433 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
3434 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
3435 insn constraint.
3436 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
3437 iterator and SSE_FLOAT_MODE_P as insn constraint.
3438 (<sse>_ucomi): Ditto from similar patterns.
3439 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
3440 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
3441 SSE_VEC_FLOAT_MODE_P as insn constraint.
3442 (vcond<mode>): Ditto from similar patterns.
3443 (and<mode>3, *and<mode>3): Ditto.
3444 (<sse>_nand<mode>3): Ditto.
3445 (ior<mode>3, *ior<mode>3): Ditto.
3446 (xor<mode>3, *xor<mode>3): Ditto.
3447 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
3448 iterator and SSE_FLOAT_MODE_P as insn constraint.
3449 (*nand<mode>3): Ditto from similar patterns.
3450 (*ior<mode>3): Ditto.
3451 (*xor<mode>3): Ditto.
3453 2008-02-20 Ira Rosen <irar@il.ibm.com>
3455 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
3456 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
3457 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
3459 2008-02-19 Jan Hubicka <jh@suse.cz>
3461 * predict.c (tree_bb_level_predictions): Remove variable next
3462 mistakely introduced by previous commit.
3464 2008-02-19 Jan Hubicka <jh@suse.cz>
3466 * predict.c (predict_paths_leading_to): Rewrite.
3467 (predict_paths_for_bb): New.
3468 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
3470 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3472 PR bootstrap/35218
3473 * Makefile.in (build_file_translate): New.
3474 (gcc-vers.texi): Use it for translating $(abs_srcdir).
3475 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
3476 * configure.ac (build_file_translate): Substitute it.
3477 * configure: Regenerate.
3479 2008-02-19 Jan Hubicka <jh@suse.cz>
3481 PR rtl-optimization/34408
3482 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
3483 invalid sharing.
3485 2008-02-19 Jan Hubicka <jh@suse.cz>
3487 PR middle-end/28779
3488 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
3489 call_expr.
3491 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
3493 PR Ada/35186
3494 * config/i386/i386-modes.def: Revert the last DI alignment
3495 change until Ada people can look into it.
3497 2008-02-19 Nick Clifton <nickc@redhat.com>
3499 * opts.c (print_specific_help): Fix typo in --help text.
3501 2008-02-19 Jakub Jelinek <jakub@redhat.com>
3503 PR target/35239
3504 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
3505 32-bit inline asm without asm alternatives for host GCC < 3.0.
3507 2008-02-19 Richard Guenther <rguenther@suse.de>
3509 PR tree-optimization/34989
3510 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
3511 Allow propagation to INDIRECT_REF if we can simplify only.
3513 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3515 * c-common.c (warn_for_collisions_1): Use appropriate option when
3516 warning.
3518 2008-02-19 Nick Clifton <nickc@redhat.com>
3520 PR other/31349
3521 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
3522 (handle_options): Fix indentation.
3523 (print_filtered_help): If no language-specific options were
3524 displayed tell the user how to list all the options supported by
3525 the language's front-end.
3526 (print_specific_help): Fix indentation and remove duplicate line.
3527 (common_handle_option): Handle the -v option.
3528 For --help enable the display of undocumented options if the -v
3529 switch has been included on the command line.
3530 For --help= check for overlaps in the arguments between the option
3531 classes and the language names and issue a warning when they
3532 cannot be disambiguated.
3533 * c.opt (v): Pass on to the common option handler.
3535 2008-02-19 Revital Eres <eres@il.ibm.com>
3537 * modulo-sched.c (sms_schedule): Change dump message when
3538 create_ddg function fails.
3539 (try_scheduling_node_in_cycle): Rename row to cycle.
3540 (print_partial_schedule): Rename CYCLE to ROW.
3542 2008-02-19 Christian Bruel <christian.bruel@st.com>
3543 Zdenek Dvorak <ook@ucw.cz>
3545 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
3547 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
3549 PR target/33555
3550 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
3551 (*x86_movdicc_0_m1_se): Ditto.
3553 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
3555 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
3556 (CMPtype): Define as __gcc_CMPtype.
3557 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
3558 (CMPtype): Define as __gcc_CMPtype.
3560 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
3562 Support valgrind 3.3 for --enable-checking=valgrind.
3563 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
3564 here.
3565 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
3566 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
3567 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
3568 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
3569 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
3570 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
3571 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
3572 respectively.
3573 * ggc-zone.c: Similar.
3574 * ggc-page.c: Similar.
3576 2008-02-19 Paul Brook <paul@codesourcery.com>
3578 PR target/35071
3579 * config/arm/ieee754-df.S: Fix do_it typo.
3580 * config/arm/ieee754-sf.S: Fix do_it typo.
3582 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
3584 PR target/35189
3585 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
3586 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
3587 (OPTION_MASK_ISA_SSE_SET): Likewise.
3588 (OPTION_MASK_ISA_SSE2_SET): Likewise.
3589 (OPTION_MASK_ISA_SSE3_SET): Likewise.
3590 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
3591 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
3592 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
3593 (OPTION_MASK_ISA_SSE4_SET): Likewise.
3594 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
3595 (OPTION_MASK_ISA_SSE5_SET): Likewise.
3596 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
3597 (OPTION_MASK_ISA_MMX_UNSET): Updated.
3598 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
3599 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3600 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3601 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3602 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3603 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3604 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3605 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
3606 (OPTION_MASK_ISA_SSE4): Removed.
3607 (ix86_handle_option): Turn on bits in ix86_isa_flags and
3608 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
3609 (override_options): Don't turn on implied SSE/MMX bits in
3610 ix86_isa_flags.
3612 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
3614 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3615 32bit host.
3617 2008-02-18 Joey Ye <joey.ye@intel.com>
3619 PR middle-end/34921
3620 * tree-nested.c (insert_field_into_struct): Set type alignment
3621 to field alignment if the former is less than the latter.
3623 2008-02-18 Jakub Jelinek <jakub@redhat.com>
3625 * BASE-VER: Set to 4.4.0.
3627 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3629 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
3630 * doc/cfg.texi: Likewise.
3631 * doc/extend.texi: Likewise.
3632 * doc/gty.texi: Likewise.
3633 * doc/invoke.texi: Likewise.
3634 * doc/loop.texi: Likewise.
3635 * doc/md.texi: Likewise.
3636 * doc/passes.texi: Likewise.
3637 * doc/rtl.texi: Likewise.
3638 * doc/sourcebuild.texi: Likewise.
3639 * doc/tm.texi: Likewise.
3640 * doc/tree-ssa.texi: Likewise.
3642 2008-02-17 Richard Guenther <rguenther@suse.de>
3644 PR middle-end/35227
3645 * tree-complex.c (init_parameter_lattice_values): Handle parameters
3646 without default definition.
3648 2008-02-17 Richard Guenther <rguenther@suse.de>
3650 PR tree-optimization/35231
3651 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
3652 if A | B != 1.
3654 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
3656 Revert:
3657 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3658 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3659 libgcc_cmp_return mode.
3661 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3663 PR c/28368
3664 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
3666 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
3668 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
3669 multilibs.
3671 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3673 * doc/c-tree.texi: Use `@.' where appropriate.
3674 * doc/extend.texi: Likewise.
3675 * doc/install.texi: Likewise.
3676 * doc/invoke.texi: Likewise.
3677 * doc/loop.texi: Likewise.
3678 * doc/makefile.texi: Likewise.
3679 * doc/md.texi: Likewise.
3680 * doc/passes.texi: Likewise.
3681 * doc/standards.texi: Likewise.
3682 * doc/tm.texi: Likewise.
3684 2008-02-15 Jakub Jelinek <jakub@redhat.com>
3686 PR middle-end/35196
3687 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
3688 in entry_bb.
3689 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
3690 rather than in entry_bb.
3692 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3694 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3695 libgcc_cmp_return mode.
3697 2008-02-15 Jakub Jelinek <jakub@redhat.com>
3699 PR middle-end/35130
3700 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
3701 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
3703 2008-02-15 Richard Guenther <rguenther@suse.de>
3704 Zdenek Dvorak <ook@ucw.cz>
3706 PR tree-optimization/35164
3707 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
3708 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
3709 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
3710 Only propagate addresses which do not have abnormal SSA_NAMEs
3711 in their operands.
3713 2008-02-15 Joseph Myers <joseph@codesourcery.com>
3715 PR target/35088
3716 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
3718 2008-02-15 Jan Hubicka <jh@suse.cz>
3720 PR middle-end/35149
3721 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
3723 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3725 PR middle-end/34621
3726 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
3727 when calculating alignment_pad.
3729 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
3731 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
3732 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
3733 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
3734 and STACK_BOUNDARY define.
3736 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
3738 PR preprocessor/35061
3739 * c-pragma.c (handle_pragma_pop_macro): Check that
3740 pushed_macro_table has been allocated.
3742 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
3744 PR middle-end/35136
3745 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
3746 (force_gimple_operand): Likewise.
3747 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
3748 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
3749 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
3750 (find_interesting_uses_address): Check addressability and alignment
3751 of the base expression only after substituting bases of IVs into it.
3753 2008-02-14 Michael Matz <matz@suse.de>
3755 PR target/34930
3756 * function.c (instantiate_virtual_regs_in_insn): Reload address
3757 before falling back to reloading the whole operand.
3759 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
3761 * config/s390/s390.c (s390_mainpool_start): Emit the pool
3762 before the first section switch note.
3764 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3766 * doc/bugreport.texi: Update copyright years.
3767 * doc/c-tree.texi: Likewise.
3768 * doc/cfg.texi: Likewise.
3769 * doc/cpp.texi: Likewise.
3770 * doc/cppinternals.texi: Likewise.
3771 * doc/fragments.texi: Likewise.
3772 * doc/frontends.texi: Likewise.
3773 * doc/gcc.texi: Likewise.
3774 * doc/gty.texi: Likewise.
3775 * doc/hostconfig.texi: Likewise.
3776 * doc/implement-c.texi: Likewise.
3777 * doc/libgcc.texi: Likewise.
3778 * doc/loop.texi: Likewise.
3779 * doc/makefile.texi: Likewise.
3780 * doc/options.texi: Likewise.
3781 * doc/passes.texi: Likewise.
3782 * doc/rtl.texi: Likewise.
3783 * doc/sourcebuild.texi: Likewise.
3784 * doc/standards.texi: Likewise.
3785 * doc/tree-ssa.texi: Likewise.
3786 * doc/trouble.texi: Likewise.
3788 * doc/extend.texi: Use @: or add comma where appropriate.
3789 * doc/invoke.texi: Likewise.
3790 * doc/tm.texi: Likewise.
3792 2008-02-14 Alan Modra <amodra@bigpond.net.au>
3794 PR target/34393
3795 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
3796 to a reg.
3798 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
3800 * doc/md.texi (clz, ctz): Add reference.
3801 * doc/rtl.texi (clz, ctz): Likewise.
3803 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3805 PR other/35148
3806 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
3807 srcdir.
3809 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
3811 * config/s390/s390.c (struct constant_pool): New field
3812 emit_pool_after added.
3813 (s390_mainpool_start): Set the emit_pool_after flag according
3814 to the section switch notes.
3815 (s390_mainpool_finish): Consider emit_pool_after when emitting
3816 the literal pool at the end of the function.
3817 (s390_chunkify_start): Force literal pool splits at section
3818 switch notes.
3820 2008-02-13 Michael Matz <matz@suse.de>
3822 PR debug/35065
3823 * var-tracking.c (clobber_variable_part): Correctly traverse the
3824 list.
3826 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3828 PR 29673
3829 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
3830 Add -fdump-ipa-inline.
3831 * tree-dump.c (dump_files): Remove tree-inlined dump.
3832 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
3834 2008-02-12 Richard Guenther <rguenther@suse.de>
3836 PR tree-optimization/35171
3837 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
3838 default defs.
3840 2008-02-12 Richard Guenther <rguenther@suse.de>
3842 PR middle-end/35163
3843 * fold-const.c (fold_widened_comparison): Use get_unwidened in
3844 value-preserving mode. Disallow final truncation.
3846 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
3848 PR middle-end/35136
3849 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
3850 code from here to...
3851 (force_gimple_operand): ...here.
3853 2008-02-12 Jakub Jelinek <jakub@redhat.com>
3855 PR c++/35144
3856 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
3857 non-compatible pointers.
3858 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
3859 different FIELD_DECLs, try harder by comparing field offsets, sizes
3860 and types.
3862 PR inline-asm/35160
3863 * function.c (match_asm_constraints_1): Don't replace the same input
3864 multiple times.
3866 2008-02-12 Anatoly Sokolov <aesok@post.ru>
3868 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
3869 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
3870 (expand_epilogue): Restore RAMPZ register.
3871 * config/avr/avr.md (RAMPZ_ADDR): New constant.
3873 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
3875 * config/i386/cygwin.asm: (__alloca): Correct calling
3876 convention and alignment.
3877 (__chkstk): Force 8 byte stack alignment.
3879 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
3880 Richard Guenther <rguenther@suse.de>
3882 PR tree-optimization/33992
3883 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
3884 the zero we compare against.
3886 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
3888 PR libfortran/35063
3889 * gthr-win32.h (__gthread_mutex_destroy_function): New function
3890 to CloseHandle after unlocking to prevent accumulation of handle
3891 count.
3893 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3895 PR middle_end/34150
3896 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
3897 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
3898 and update LABEL_NUSES during and after reload.
3900 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
3902 PR middle-end/34627
3903 * combine.c (simplify_if_then_else): Make sure the comparison is
3904 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
3906 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
3908 PR bootstrap/35051
3909 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
3910 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
3911 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
3912 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
3913 * tree.h (get_type_static_bounds): Likewise.
3915 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3917 * doc/invoke.texi (Option Summary, C++ Dialect Options)
3918 (Objective-C and Objective-C++ Dialect Options, Warning Options):
3919 Make -Wfoo language annotations match what the compiler outputs.
3921 2008-02-08 Sa Liu <saliu@de.ibm.com>
3923 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
3924 intrinsics spu_convts, spu_convtu, spu_convtf.
3925 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
3927 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
3929 * doc/extend.texi (Function Attributes) <noinline>: Mention
3930 asm ("") as method to keep calls.
3932 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3934 PR other/32754
3935 * doc/options.texi (Options): Replace references to opts.sh with
3936 optc-gen.awk.
3937 * opts-common.c: Likewise.
3938 * optc-gen.awk: Likewise.
3940 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
3942 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
3944 2008-02-07 Richard Henderson <rth@redhat.com>
3946 PR rtl-opt/33410
3947 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
3948 EXPR_LIST for the REG_EQUAL instead of a comparison with a
3949 funny mode.
3951 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
3953 PR tree-optimization/35085
3954 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
3955 for operand entry oe2 in addition to operand entry oe3 in order to
3956 expose more opportunities for vectorizer sum reduction.
3958 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3960 PR other/35107
3961 * Makefile.in (LIBS): Remove $(GMPLIBS).
3962 (cc1-dummy, cc1): Add $(GMPLIBS).
3964 2008-02-06 Jan Hubicka <jh@suse.cz>
3966 PR target/23322
3967 * i386.md (moddf_integer): Do not produce partial memory stalls for
3968 targets where it hurts.
3970 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
3972 PR target/35083
3973 * optabs.c (expand_float): Do not check for decimal modes when
3974 expanding unsigned integer through signed conversion.
3976 2008-02-06 Nick Clifton <nickc@redhat.com>
3978 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
3979 inside the clobber with a match_operand and duplicated operand
3980 number in the constraint.
3981 (ineqbranchsi): Delete redundant comment.
3983 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
3985 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
3986 builtin_define ("__USE_INIT_FINI__").
3987 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
3988 -msx multilibs.
3989 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
3991 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3993 PR documentation/30330
3994 * doc/invoke.texi (C++ Dialect Options)
3995 (Objective-C and Objective-C++ Dialect Options, Warning Options):
3996 For each warning option -Wfoo that allows -Wno-foo, ensure both
3997 -Wfoo and -Wno-foo are listed in the option index. Fix index
3998 entry of -Wswitch-default, index -Wnormalized= including the
3999 `=', and -Wlarger-than-@var{len} including @var{len}.
4001 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
4003 * config/i386/i386.md (floatunssisf2): Use
4004 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
4005 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
4006 Macroize expander using MODEF mode iterator.
4008 2008-02-05 Diego Novillo <dnovillo@google.com>
4010 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
4012 PR 33738
4013 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
4015 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4017 PR other/35070
4018 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
4020 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
4022 PR target/35084
4023 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
4024 to indicate if a message should be generated.
4025 (init_cumulative_args): Updated.
4026 (function_value_32): Likewise.
4028 2008-02-05 Joseph Myers <joseph@codesourcery.com>
4030 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
4032 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
4034 PR target/35083
4035 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
4036 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
4038 2008-02-04 Diego Novillo <dnovillo@google.com>
4040 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
4042 PR 33738
4043 * tree-vrp.c (vrp_evaluate_conditional): With
4044 -Wtype-limits, emit a warning when comparing against a
4045 constant outside the natural range of OP0's type.
4047 2008-02-04 Richard Guenther <rguenther@suse.de>
4049 PR middle-end/33631
4050 * expr.c (count_type_elements): Give for unions instead of
4051 guessing.
4053 2008-02-04 Richard Guenther <rguenther@suse.de>
4055 PR middle-end/35043
4056 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
4057 to TYPE_DOMAINs base type instead of using bitsizetype here.
4059 2008-02-03 Jason Merrill <jason@redhat.com>
4061 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
4063 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4065 PR other/29972
4066 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
4067 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
4068 (RS/6000 and PowerPC Options): Fix typos and markup.
4069 * doc/passes.texi (Tree-SSA passes): Likewise.
4071 2008-02-02 Michael Matz <matz@suse.de>
4073 PR target/35045
4074 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
4075 from record_last_reg_set_info.
4076 (record_last_reg_set_info): Take an RTX argument, iterate over all
4077 constituent hardregs.
4078 (record_last_set_info, record_opr_changes): Change calls to
4079 new signature or to record_last_reg_set_info_regno.
4081 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
4083 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
4085 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
4087 PR rtl-optimization/34773
4088 * reg-notes.def (EQUAL): Mention significance of combination of
4089 REG_EQUAL and REG_RETVAL.
4090 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
4091 insn that has a REG_RETVAL.
4093 2008-02-01 Roger Sayle <roger@eyesopen.com>
4095 PR bootstrap/33781
4096 * configure.ac (--enable-fixed-point): Disable unless explicitly
4097 requested on IRIX.
4098 * configure: Regenerate.
4100 2008-02-01 Richard Guenther <rguenther@suse.de>
4102 PR other/35042
4103 * invoke.texi (-finline-limit): Remove no longer true parts
4104 of the documentation. Note that there is no default value.
4106 2008-02-01 Andrew Pinski <pinskia@gmail.com>
4107 Mark Mitchell <mark@codesourcery.com>
4108 Ben Elliston <bje@au.ibm.com>
4110 PR c/29326
4111 * doc/extend.texi (Other Builtins): Document.
4113 2008-01-31 Tom Browder <tom.browder@gmail.com>
4115 * doc/c-tree.texi (Types): Fix grammar.
4116 (Expression trees): Ditto.
4117 * doc/passes.texi (Tree-SSA passes): Ditto.
4119 * doc/configterms.texi (Configure Terms): Fix typo.
4120 * doc/cpp.texi (Common Predefined Macros): Ditto.
4121 * doc/md.texi (Machine Constraints): Ditto.
4123 * doc/makefile.texi (Makefile): Add comma.
4125 2008-01-31 Tom Browder <tom.browder@gmail.com>
4126 Gerald Pfeifer <gerald@pfeifer.com>
4128 * doc/sourcebuild.texi (Front End): Remove references to CVS
4129 and CVSROOT/modules.
4130 (Texinfo Manuals): Replace reference to CVS by one to SVN.
4131 (Back End): Remove reference to CVS.
4133 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
4135 PR target/34900
4136 * config/mips/mips.c (gen_load_const_gp): New function, taking a
4137 comment from...
4138 (mips16_gp_pseudo_reg): ...here.
4139 * config/mips/mips.md (load_const_gp): Replace with...
4140 (load_const_gp_<mode>): ...this :P-based insn.
4142 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4144 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
4145 options. Minor fixes.
4146 (-std): Move reference to standards closer to where language
4147 standards are first mentioned.
4149 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
4151 PR rtl-optimization/34995
4152 * reload.c (alternative_allows_const_pool_ref): Take an rtx
4153 parameter and return a bool. If the rtx parameter is nonnull,
4154 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
4155 (find_reloads): Update call accordingly. Pass the new operand
4156 if it needed no address reloads, otherwise pass null.
4158 2008-01-30 Richard Henderson <rth@redhat.com>
4160 PR c/34993
4161 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
4162 for unbounded arrays.
4164 2008-01-30 Silvius Rus <rus@google.com>
4166 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
4168 2008-01-30 Jan Hubicka <jh@suse.cz>
4170 PR target/34982
4171 * i386.c (init_cumulative_args): Use real function declaration when
4172 calling locally.
4174 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
4176 PR rtl-optimization/34998
4177 * global.c (build_insn_chain): Treat non-subreg_lowpart
4178 SUBREGs of pseudos as clobbering all the words covered by the
4179 SUBREG, not just all the bytes.
4180 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
4181 original df_ref rather than an extract parameter.
4182 (global_conflicts): Update call accordingly.
4184 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
4186 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
4187 the overflow check to make it easier to read.
4188 (__fixtfdi): Change the type of the ll member in union
4189 long_double to UDItype_x.
4191 2008-01-30 Jakub Jelinek <jakub@redhat.com>
4193 PR middle-end/34969
4194 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
4195 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
4196 * tree-inline.c (fold_marked_statements): Call
4197 cgraph_update_edges_for_call_stmt if folding a call statement.
4198 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
4199 debug_generic_stmt calls, reset it back afterwards.
4201 PR c/35017
4202 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
4203 static decls.
4204 * c-typeck.c (build_external_ref): Don't pedwarn about
4205 static vars in current function's scope.
4207 2008-01-29 Joseph Myers <joseph@codesourcery.com>
4209 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
4211 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
4213 PR c/35002
4214 * ipa-struct-reorg.c: Fix spelling.
4215 * params.def: Ditto.
4217 2008-01-29 Richard Guenther <rguenther@suse.de>
4219 PR middle-end/35006
4220 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
4221 field.
4222 * tree-inline.c (remap_type): Increment remapping_type_depth
4223 around remapping types.
4224 (copy_body_r): Only add referenced variables if they are referenced
4225 from code, not types.
4227 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
4229 PR c++/34055
4230 PR c++/34103
4231 PR c++/34219
4232 PR c++/34606
4233 PR c++/34753
4234 PR c++/34754
4235 PR c++/34755
4236 PR c++/34919
4237 PR c++/34961
4238 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
4239 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
4241 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
4243 PR target/34412
4244 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
4245 pointer for tiny stack.
4247 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
4249 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
4251 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
4253 * config/vx-common.h: Fix typo in comment.
4255 2008-01-28 Ian Lance Taylor <iant@google.com>
4257 PR c++/34862
4258 PR c++/33407
4259 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
4260 coalesce pointers if they have different DECL_NO_TBAA_P values.
4261 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
4262 between variables with different DECL_NO_TBAA_P values.
4264 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
4266 PR 31535
4267 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
4268 are not legitimate small data references on SPE targets.
4270 2008-01-28 David Daney <ddaney@avtrex.com>
4272 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
4274 2008-01-28 David Daney <ddaney@avtrex.com>
4276 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
4278 2008-01-27 Joseph Myers <joseph@codesourcery.com>
4280 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
4281 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
4282 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
4283 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
4284 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
4285 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
4286 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
4287 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
4289 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
4291 * basic-block.h (condjump_equiv_p): Fix comment.
4293 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
4295 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
4296 print_generic_stmt_indented): Fix comment.
4298 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
4300 * configure.ac (__stack_chk_fail): Add detecion for availability
4301 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
4302 * configure: Regenerate.
4304 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
4306 PR middle-end/34688
4307 * final.c (output_addr_const): Handle TRUNCATE.
4309 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
4311 PR target/34711
4312 * tree-ssa-loop-ivopts.c (comp_cost): New type.
4313 (zero_cost, infinite_cost): New constants.
4314 (struct cost_pair): Change type of cost to comp_cost.
4315 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
4316 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
4317 New functions.
4318 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
4319 split_address_cost, ptr_difference_cost, difference_cost,
4320 get_computation_cost_at, get_computation_cost,
4321 determine_use_iv_cost_generic, determine_use_iv_cost_address,
4322 determine_use_iv_cost_condition, determine_use_iv_costs,
4323 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
4324 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
4325 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
4326 Change type of cost to comp_cost.
4327 (determine_iv_cost): Increase cost of non-original ivs, instead
4328 of decreasing the cost of original ones.
4329 (get_address_cost): Indicate the complexity of the addressing mode
4330 in comp_cost.
4331 (try_add_cand_for): Prefer using ivs not specific to some object.
4332 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
4334 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
4335 Janis Johnson <janis187@us.ibm.com>
4337 PR target/34814
4338 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
4339 (TARGET_INSTANTIATE_DECLS): Likewise.
4340 * target.h (expand_to_rtl_hook): New target hook.
4341 (instantiate_decls): Likewise.
4342 * function.c (instantiate_decl): Make non-static. Rename to...
4343 (instantiate_decl_rtl): ... this.
4344 (instantiate_expr): Use instantiate_decl_rtl.
4345 (instantiate_decls_1): Likewise.
4346 (instantiate_decls): Likewise.
4347 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
4348 * function.h (instantiate_decl_rtl): Add prototype.
4349 * cfgexpand.c (target.h): New include.
4350 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
4351 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
4352 (TARGET_INSTANTIATE_DECLS): Likewise.
4353 (TARGET_INITIALIZER): New target hooks added.
4354 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
4355 New prototype.
4356 * config/rs6000/rs6000.c (tree-flow.h): New include.
4357 (machine_function): Add sdmode_stack_slot field.
4358 (rs6000_alloc_sdmode_stack_slot): New function.
4359 (rs6000_instantiate_decls): Likewise.
4360 (rs6000_secondary_memory_needed_rtx): Likewise.
4361 (rs6000_check_sdmode): Likewise.
4362 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
4363 (TARGET_INSTANTIATE_DECLS): Likewise.
4364 (rs6000_hard_regno_mode_ok): Allow SDmode.
4365 (num_insns_constant): Likewise. Handle _Decimal32 constants.
4366 (rs6000_emit_move): Handle SDmode.
4367 (function_arg_advance): Likewise.
4368 (function_arg): Likewise.
4369 (rs6000_gimplify_va_arg): Likewise. Add special handling of
4370 SDmode var args for 32-bit compiles.
4371 (rs6000_secondary_reload_class): Handle SDmode.
4372 (rs6000_output_function_epilogue): Likewise.
4373 (rs6000_function_value): Simplify if statement.
4374 (rs6000_libcall_value): Likewise.
4375 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
4376 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
4377 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
4378 (movsd_hardfloat): New define_insn.
4379 (movsd_softfloat): Likewise.
4380 (movsd_store): Likewise.
4381 (movsd_load): Likewise.
4382 (extendsddd2): Likewise.
4383 (extendsdtd2): Likewise.
4384 (truncddsd2): Likewise.
4385 (movdd_hardfloat64): Fixup comment.
4386 (UNSPEC_MOVSD_LOAD): New constant.
4387 (UNSPEC_MOVSD_STORE): Likewise.
4389 2008-01-26 Jakub Jelinek <jakub@redhat.com>
4391 PR c++/34965
4392 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
4393 TRUTH_XOR_EXPR.
4394 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
4395 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
4396 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
4397 and TRUTH_XOR_EXPR.
4399 2008-01-26 David Edelsohn <edelsohn@gnu.org>
4401 PR target/34794
4402 * config.gcc: Separate AIX 5.3 from AIX 6.1.
4403 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4404 __LONGDOUBLE128 too.
4405 * config/rs6000/aix61.h: New file.
4407 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
4409 PR rtl-optimization/34959
4410 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
4411 popcount and parity rtxes the same mode as their operand.
4412 Truncate or extend the result to the return value's mode
4413 if necessary.
4415 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
4417 PR target/34981
4418 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
4419 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
4420 to GOT_VERSION_REGNUM.
4421 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
4422 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
4423 * config/mips/mips.c (mips_emit_call_insn): New function.
4424 (mips_call_tls_get_addr): Call mips_expand_call directly.
4425 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
4426 emit_call_insn.
4427 (mips16_build_call_stub): Likewise. Return the call insn or null.
4428 (mips_expand_call): Update the call to mips16_build_call_stub
4429 accordingly and a remove redundant condition. Assert that MIPS16
4430 stubs do not use lazy binding. Use mips_emit_call_insn and return
4431 the call insn.
4432 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
4433 TARGET_USE_GOT.
4434 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
4435 (mips_avoid_hazard): Remove hazard_set handling.
4436 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
4437 (UNSPEC_RESTORE_GP): ...this.
4438 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
4439 (FAKE_CALL_REGNO): Rename to...
4440 (GOT_VERSION_REGNUM): ...this.
4441 (type): Add "ghost" value. Add an associated insn reservation.
4442 (hazard_set): Remove.
4443 (exception_receiver): Rename to...
4444 (restore_gp): ...this and update the unspec identifier accordingly.
4445 (exception_receiver, nonlocal_got_receiver): New expanders.
4446 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
4447 FAKE_CALL_REGNO. Remove hazard_set attribute.
4448 (set_got_version, update_got_version): New patterns.
4450 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
4452 PR target/34970
4453 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
4455 2008-01-25 Joseph Myers <joseph@codesourcery.com>
4457 PR other/31955
4458 * doc/install.texi2html: Generate gcc-vers.texi.
4460 2008-01-25 DJ Delorie <dj@redhat.com>
4462 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4464 2008-01-25 Joseph Myers <joseph@codesourcery.com>
4466 * config/c4x: Remove directory.
4467 * config.gcc (crx-*, mt-*): Mark obsolete.
4468 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
4469 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
4470 sh-*-rtemscoff*): Remove cases.
4471 * defaults.h (C4X_FLOAT_FORMAT): Remove.
4472 * real.c (encode_c4x_single, decode_c4x_single,
4473 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
4474 c4x_extended_format): Remove.
4475 * real.h (c4x_single_format, c4x_extended_format): Remove.
4476 * doc/extend.texi (interrupt, naked): Remove mention of attributes
4477 on C4x.
4478 (Pragmas): Remove comment about c4x pragmas.
4479 * doc/install.texi (c4x): Remove target-specific instructions.
4480 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
4481 * doc/md.texi (Machine Constraints): Remove C4x documentation.
4482 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
4483 refer to C4x source files as examples.
4484 (C4X_FLOAT_FORMAT): Remove documentation.
4486 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
4488 * config/bfin/bfin.c (override_options): Reorder tests so that
4489 flag_pic gets enabled for -msep-data.
4491 2008-01-25 Richard Guenther <rguenther@suse.de>
4493 PR middle-end/32244
4494 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
4495 to its bitfield precision if required.
4497 2008-01-25 Jakub Jelinek <jakub@redhat.com>
4499 PR middle-end/33880
4500 * tree-nested.c (walk_omp_for): New function.
4501 (convert_nonlocal_reference, convert_local_reference): Call
4502 walk_omp_for on OMP_FOR.
4503 (convert_call_expr): Call walk_body on OMP_FOR's
4504 OMP_FOR_PRE_INIT_BODY.
4506 2008-01-25 Richard Guenther <rguenther@suse.de>
4508 PR tree-optimization/34966
4509 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
4510 default defs and PHI_NODEs we have to insert after the
4511 defining statement.
4513 2008-01-24 Nick Clifton <nickc@redhat.com>
4515 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
4516 Provide a default definition.
4517 (LIBGCC2_UNITS_PER_WORD): Likewise.
4519 * config/stormy16/stormy16.c: Include df.h for the prototype
4520 for df_regs_ever_live_p.
4521 (xstormy16_expand_builtin_va_start): Convert the stack offset
4522 into a component_ref and then use POINTER_PLUS_EXPR to add it
4523 to the incoming_virtual_args_rtx.
4524 (xstormy16_gimplify_va_arg_expr): Rename to
4525 xstormy16_gimplify_va_arg_expr.
4526 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
4527 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
4528 xstormy16_gimplify_va_arg_expr.
4529 Fix up some formatting issues.
4531 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
4532 Move to predicates.md.
4533 (xs_hi_general_operand): Likewise.
4534 (xs_hi_nonmemory_operand): Likewise.
4535 * config/stormy16/predicates.md:
4536 (xstormy16_carry_plus_operand): New predicate.
4537 (xs_hi_general_operand): New predicate.
4538 (xs_hi_nonmemory_operand): New predicate.
4539 * config/stormy16/stormy16-protos.h:
4540 (xstormy16_carry_plus_operand): Delete prototype.
4541 (xs_hi_general_operand): Likewise.
4542 (xs_hi_nonmemory_operand): Likewise.
4544 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
4545 modifiers as they are no longer needed and they can trigger
4546 reload spill failures.
4548 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
4549 with a match_operand in order to help reload.
4551 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
4552 constraint with 'e' for the 8th alternative as this version of
4553 the mov.w instruction only accepts the lower 8 registers.
4555 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
4557 PR target/34856
4558 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
4559 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
4560 vector elements.
4562 2008-01-25 Jakub Jelinek <jakub@redhat.com>
4564 PR middle-end/33333
4565 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
4567 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
4569 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
4570 New functions.
4571 (remove_structure): Update allocations list before removing structure.
4573 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
4575 * ipa-struct-reorg.c (is_safe_cond_expr,
4576 create_new_stmts_for_cond_expr): Use integer_zerop function,
4577 that recognize not only zero-pointer, but zero-integer too.
4579 2008-01-25 Ben Elliston <bje@au.ibm.com>
4581 PR other/22232
4582 * fixproto: Escape "." in sed expression that strips leading "./".
4584 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
4586 PR driver/34904
4587 * gcc.c (SWITCH_OK): Removed.
4588 (SWITCH_LIVE): Changed to bit.
4589 (SWITCH_FALSE): Likewise.
4590 (SWITCH_IGNORE): Likewise.
4591 (switchstr): Change live_cond to unsigned int.
4592 (process_command): Replace SWITCH_OK with 0.
4593 (do_self_spec): Likewise.
4594 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
4595 (give_switch): Likewise.
4596 (used_arg): Likewise.
4597 (do_spec_1): Set the SWITCH_IGNORE bit.
4598 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
4599 bits. Set the SWITCH_LIVE bit.
4601 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
4603 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
4605 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
4607 PR tree-optimization/34472
4608 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
4609 parameter to a "bool *" and set *DATA to false if there is
4610 an unsafe access. Do not delete the structure here.
4611 (check_cond_exprs): Delete it here instead.
4612 (check_cond_exprs, exclude_cold_structs): Do not increase
4613 I when removing a structure.
4615 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
4617 PR target/34856
4618 * config/i386/i386.c (ix86_expand_vector_init): Consider only
4619 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
4621 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
4623 PR middle-end/34934
4624 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
4625 a fixed vector for stack.
4627 2008-01-24 Ben Elliston <bje@au.ibm.com>
4629 PR c++/25701
4630 * doc/gcc.texi (Software development): Add a direntry for g++.
4632 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
4634 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
4635 stale and straggling -fforce-addr comments above.
4637 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
4638 define.
4639 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
4640 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
4642 2008-01-23 Michael Matz <matz@suse.de>
4644 PR debug/34895
4645 * dwarf2out.c (force_type_die): Use modified_type_die instead of
4646 gen_type_die.
4648 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
4650 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
4651 malloc result type.
4653 2008-01-23 Anatoly Sokolov <aesok@post.ru>
4655 * config/avr/avr.c (avr_current_arch): New variable.
4656 (avr_arch_types): Add 'avr31' and 'avr51' entries.
4657 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
4658 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
4659 (avr_override_options): Init 'avr_current_arch'.
4660 (base_arch_s): Move from here...
4661 * config/avr/avr.h (base_arch_s): ... here. Add new members
4662 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
4663 'mega' to 'have_jmp_call'.
4664 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
4665 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
4666 macros.
4667 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
4668 architectures.
4669 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
4670 MULTILIB_MATCHES): (Ditto.).
4672 2008-01-23 Richard Guenther <rguenther@suse.de>
4674 PR middle-end/31529
4675 * cgraphunit.c (cgraph_reset_node): Always mark the node
4676 not reachable if it is not queued already.
4678 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
4680 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
4681 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
4682 (cputype_selected): New static variable.
4683 (bfin_handle_option): Set it if -mcpu is used.
4684 (override_option): Select default set of workarounds if no cpu type
4685 selected on the command line.
4686 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
4688 From Michael Frysinger <michael.frysinger@analog.com>
4689 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
4690 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
4692 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
4693 for bf547, bf523, bf524, and bf526.
4694 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
4695 bf526.
4696 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4697 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
4698 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
4699 __ADSPBF547__ and __ADSPBF54x__ for bf547.
4700 * doc/invoke.texi (Blackfin Options): Document that
4701 -mcpu now accept bf547, bf523, bf524, and bf526.
4703 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
4705 PR rtl-optimization/34628
4706 * combine.c (try_combine): Stop and undo after the first combination
4707 if an autoincrement side-effect on the first insn has effectively
4708 been lost.
4710 2008-01-22 David Edelsohn <edelsohn@gnu.org>
4712 PR target/34529
4713 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
4714 Offset addresses are not valid for Altivec or paired float modes.
4716 2008-01-22 Jakub Jelinek <jakub@redhat.com>
4718 PR c++/34607
4719 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
4720 if DECL_INITIAL (decl) is error_mark_node.
4722 PR c++/34914
4723 * c-common.c (handle_vector_size_attribute): Only allow
4724 integral, scalar float and fixed point types. Handle OFFSET_TYPE
4725 the same way as pointer, array etc. types.
4726 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
4728 PR c++/34917
4729 * tree.c (build_type_attribute_qual_variant): Call
4730 build_qualified_type if attributes are equal, but quals are not.
4732 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4734 PR 32102
4735 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
4736 * flags.h (warn_strict_aliasing): Remove.
4737 (warn_strict_overflow): Remove.
4738 * opts.c (warn_strict_aliasing): Remove.
4739 (warn_strict_overflow): Remove.
4740 * c-opts.c (c_common_handle_option): -Wall only sets
4741 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
4742 (c_common_post_options): Give default values to -Wstrict-aliasing
4743 and -Wstrict-overflow if they are uninitialized.
4744 * common.opt (Wstrict-aliasing): Specify Var and Init.
4745 (Wstrict-overflow): Likewise.
4747 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4749 PR rtl-optimization/26854
4750 PR rtl-optimization/34400
4751 PR rtl-optimization/34884
4752 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
4753 DF_RD->gen.
4754 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
4755 (df_rd_bb_info.expanded_lr_out): Deleted
4756 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
4757 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
4758 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4759 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4760 Removed code to allocate, initialize or free expanded_lr_out.
4761 (df_rd_bb_local_compute_process_def): Restructured to make more
4762 understandable.
4763 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
4764 sets if the sets are being trimmed.
4766 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
4768 PR bootstrap/32287
4769 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
4770 (as_vers): Likewise.
4771 * configure: Regenerated.
4773 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4775 PR middle-end/33092
4776 * tree-pass.h (pass_build_alias): New pass.
4777 * tree-ssa-alias.c (gate_build_alias): New.
4778 (pass_build_alias): New.
4779 * passes.c (init_optimization_passes): Add pass_build_alias after
4780 pass_create_structure_vars.
4782 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
4784 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
4785 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
4786 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
4787 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
4788 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
4789 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
4790 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
4791 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
4792 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
4793 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
4794 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
4795 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
4796 * config/s390/s390.md (FP_ALL): New mode iterator.
4797 (_d): New mode attribute.
4798 ("*signbit<mode>2>"): Changed mode of first operand.
4799 ("isinf<mode>2"): Changed mode of first operand.
4800 ("*TDC_insn"): Adaptation for DFP modes.
4802 2008-01-22 Ben Elliston <bje@au.ibm.com>
4804 * tree.c (check_qualified_type): Improve function description.
4806 2008-01-21 Jason Merrill <jason@redhat.com>
4808 PR c++/34196
4809 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
4810 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
4811 if it is set.
4813 2008-01-21 DJ Delorie <dj@redhat.com>
4815 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
4816 return zero.
4818 2008-01-21 Richard Guenther <rguenther@suse.de>
4820 PR middle-end/34856
4821 * tree-cfg.c (verify_expr): Allow all invariant expressions
4822 instead of just constant class ones as reference argument.
4823 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
4824 like any other constant.
4825 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
4827 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
4829 * regmove.c (fixup_match_1): Update call crossed frequencies.
4831 2008-01-21 Richard Guenther <rguenther@suse.de>
4833 PR c/34885
4834 * tree-inline.c (setup_one_parameter): Deal with mismatched
4835 types using a VIEW_CONVERT_EXPR.
4837 2008-01-21 Alon Dayan <alond@il.ibm.com>
4838 Olga Golovanevsky <olga@il.ibm.com>
4840 PR tree-optimization/34701
4841 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
4842 when the structure size is not a power of 2.
4844 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
4846 * doc/install.texi: Add doc for --enable-checking=df.
4848 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
4850 PR rtl-optimization/34808
4851 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
4853 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
4855 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
4856 input.
4858 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4860 PR rtl-optimization/26854
4861 PR rtl-optimization/34400
4862 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
4863 DF_RD->gen.
4864 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
4865 (df_rd_bb_info.expanded_lr_out): New.
4866 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
4867 * loop_iv.c (iv_analysis_loop_init): Ditto.
4868 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4869 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4870 Added code to allocate, initialize or free expanded_lr_out.
4871 (df_rd_bb_local_compute_process_def): Restructured to make
4872 more understandable.
4873 (df_rd_confluence_n): Add code to do nothing with fake edges and
4874 code to no apply invalidate_by_call sets if the sets are being trimmed.
4875 (df_lr_local_finalize): Renamed to df_lr_finalize.
4876 (df_live_local_finalize): Renamed to df_live_finalize.
4878 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
4880 PR target/34831
4881 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
4882 deciding whether to use reciprocal instructions.
4884 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
4886 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
4887 dwarf2out_note_section_used if cold_text_section is NULL.
4889 2008-01-19 Jakub Jelinek <jakub@redhat.com>
4891 PR gcov-profile/34610
4892 * tree-cfg.c (make_edges): Mark both outgoing edges from
4893 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
4894 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
4895 from OMP_FOR and OMP_CONTINUE outgoing edges.
4897 * tree-profile.c (tree_profiling): Return early if
4898 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
4899 at the end.
4900 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
4901 from cfun to child_cfun.
4902 * function.h (struct function): Add after_tree_profile bit.
4904 2008-01-19 Anatoly Sokolov <aesok@post.ru>
4906 * config/avr/avr.S (_exit): Disable interrupt.
4908 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
4909 Steven Bosscher <stevenb.gcc@gmail.com>
4911 PR rtl-optimization/26854
4912 PR rtl-optimization/34400
4913 * df-problems.c (df_live_scratch): New scratch bitmap.
4914 (df_live_alloc): Allocate df_live_scratch when doing df_live.
4915 (df_live_reset): Clear the proper bitmaps.
4916 (df_live_bb_local_compute): Only process the artificial defs once
4917 since the order is not important.
4918 (df_live_init): Init the df_live sets only with the variables
4919 found live by df_lr.
4920 (df_live_transfer_function): Use the df_lr sets to prune the
4921 df_live sets as they are being computed.
4922 (df_live_free): Free df_live_scratch.
4924 2008-01-18 Ian Lance Taylor <iant@google.com>
4926 * common.opt: Add fmerge-debug-strings.
4927 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
4928 flag_merge_debug_strings rather than flag_merge_constants.
4929 * doc/invoke.texi (Option Summary): Mention
4930 -fmerge-debug-strings.
4931 (Debugging Options): Document -fmerge-debug-strings.
4933 2008-01-18 Ian Lance Taylor <iant@google.com>
4935 PR c++/33407
4936 * tree.h (DECL_IS_OPERATOR_NEW): Define.
4937 (struct tree_function_decl): Add new field operator_new_flag.
4938 * tree-inline.c (expand_call_inline): When inlining a call to
4939 operator new, force the return value to go into a variable, and
4940 set DECL_NO_TBAA_P on that variable.
4941 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
4943 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
4945 PR debug/34484
4946 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
4947 DWARF2_DEBUGGING_INFO.
4948 (dwarf2out_note_section_used): Ditto. Add prototype.
4949 (have_multiple_function_sections, text_section_used,
4950 cold_text_section_used, *cold_text_sections): Move declarations
4951 before their uses.
4953 2008-01-17 Bob Wilson <bob.wilson@acm.org>
4955 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
4956 field and add signal_ra.
4957 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
4958 assignments to frame state pc. Move end of stack check after
4959 MD_FALLBACK_FRAME_STATE_FOR.
4960 (uw_update_context_1): Use frame state signal_regs if set, instead
4961 of checking signal_frame flag.
4962 (uw_update_context): Use frame state signal_ra if set.
4963 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
4964 * config/xtensa/linux-unwind.h: New file.
4966 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
4968 * modulo-sched.c (get_sched_window): Fix comment typo.
4970 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
4972 PR tree-optimization/34648
4973 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
4975 2008-01-17 Anatoly Sokolov <aesok@post.ru>
4977 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
4978 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
4980 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
4982 PR rtl-optimization/34400
4983 * df-core.c (df_worklist_dataflow_overeager,
4984 df_worklist_dataflow_doublequeue): New functions.
4985 (df_worklist_dataflow): Two different worklist solvers.
4986 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
4987 New param.
4989 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4991 PR testsuite/34821
4992 * doc/invoke.texi: Document the dependence on pthread for fopenmp
4993 and ftree-parallelize-loops.
4995 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
4997 PR rtl-optimization/34826
4998 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
5000 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
5002 * global.c (find_reg): Mark the eh regs as used if necessary.
5003 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
5004 * ra.h (struct allocno): no_eh_reg field added. Changed
5005 no_stack_reg type to bitfield.
5007 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
5009 * tree.c (substitute_in_expr): Add missing 'break'.
5011 2008-01-17 Richard Guenther <rguenther@suse.de>
5013 PR tree-optimization/34825
5014 * tree-ssa-math-opts.c (is_division_by): Do not recognize
5015 x / x as division to handle.
5017 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5019 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
5020 "-pthread" is specified.
5021 * pa-hpux11.h (LIB_SPEC): Likewise.
5023 2008-01-16 Janis Johnson <janis187@us.ibm.com>
5024 Peter Bergner <bergner@vnet.ibm.com>
5026 PR rtl-optimization/33796
5027 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
5029 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5031 PR libgfortran/34699
5032 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
5033 static links.
5034 * pa-hpux10.h (LINK_SPEC): Likewise.
5035 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
5037 2008-01-16 Richard Guenther <rguenther@suse.de>
5039 PR middle-end/32628
5040 * fold-const.c (fold_convert_const_int_from_int): Do not
5041 set overflow if that occured only because of a sign extension
5042 change when converting from/to a sizetype with the same
5043 precision and signedness.
5045 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
5047 PR debug/34249
5048 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
5049 location address to the correct place. Update copyright year.
5051 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
5053 * lambda-code.c (lambda_transform_legal_p): Handle the case of
5054 no dependences in the dependence_relations vector.
5056 2008-01-16 Jan Hubicka <jh@suse.cz>
5058 PR rtl-optimization/31396
5059 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
5060 * cfg.c (dump_reg_info): Print it.
5061 * regs.h (struct reg_info_t): add freq_calls_crossed.
5062 (REG_FREQ_CALLS_CROSSED): New macro.
5063 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
5064 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
5065 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
5066 regmove_optimize): Update call crossed frequencies.
5067 * local-alloc.c (struct qty): Add freq_calls_crossed.
5068 (alloc_qty): Copute freq_calls_crossed.
5069 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
5070 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
5071 * ra.h (struct allocno): Add freq_calls_crossed.
5073 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
5075 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
5076 libgomp when compiling with ftree-parallelize-loops.
5077 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
5079 2008-01-16 Richard Guenther <rguenther@suse.de>
5081 PR tree-optimization/34769
5082 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
5083 * tree.c (int_cst_value): Instead make this function more
5084 permissive in what it accepts as valid input. Document this
5085 function always sign-extends the value.
5087 2008-01-16 Jakub Jelinek <jakub@redhat.com>
5088 Richard Guenther <rguenther@suse.de>
5090 PR c/34668
5091 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
5092 (gimple_fold_indirect_ref_rhs): ... this.
5093 (gimple_fold_indirect_ref): New function with foldings
5094 that preserve lvalueness.
5095 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
5096 * tree-flow.h (gimple_fold_indirect_ref): Declare.
5097 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
5098 to fold an INDIRECT_REF, fall back to the old use of
5099 fold_indirect_ref_1.
5101 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
5103 * tree-data-ref.c (subscript_dependence_tester_1): Call
5104 free_conflict_function.
5105 (compute_self_dependence): Same.
5107 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
5109 PR debug/34249
5110 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
5111 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
5112 function global.
5113 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
5114 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
5115 for DWARF2_UNWIND_INFO targets.
5117 2008-01-16 Richard Guenther <rguenther@suse.de>
5119 PR c/34768
5120 * c-typeck.c (common_pointer_type): Do not merge inconsistent
5121 type qualifiers for function types.
5123 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
5125 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
5126 loop_iterator li from previous commit.
5128 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
5130 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
5132 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
5134 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
5135 (parallelize_loops): Don't parallelize irreducible components.
5137 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5139 PR c++/24924
5140 * c-opts (c_common_post_options): Do not enable CPP
5141 flag_pedantic_errors by default.
5143 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
5145 PR rtl-optimization/31944
5146 * cse.c (remove_pseudo_from_table): New function.
5147 (merge_equiv_classes): Use above function to remove pseudo-registers.
5148 (invalidate): Likewise.
5150 2008-01-13 Richard Guenther <rguenther@suse.de>
5152 PR middle-end/34601
5153 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
5154 instead of TYPE_MODE to deal with calls from expand_one_error_var.
5156 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
5158 * gcse.c (cprop_jump): Call validate_unshare_change instead of
5159 validate_change to unshare the source of the PC set.
5161 2008-01-12 Jan Hubicka <jh@suse.cz>
5163 PR middle-end/32135
5164 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
5165 references above array bounds. This might trigger bounds checks for
5166 pointers to arrays.
5168 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
5170 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
5171 new_replaceable_dependencies.
5173 2008-01-12 Doug Kwan <dougkwan@google.com>
5175 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
5176 instead of OPT_Wreturn_type in warning due to ignored return type
5177 qualifiers.
5178 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
5179 options included in -Wextra.
5180 * c.opt: New option -Wignored_qualifiers.
5181 * doc/invoke.texi (Warning Options, -Wextra): Add new option
5182 -Wignore_qualifiers.
5183 (-Wignored-qualifiers): Document.
5184 (-Wreturn-type): Remove description of functionality now handled
5185 by -Wignored-qualifiers.
5187 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
5189 PR ada/33788
5190 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
5191 NOP_EXPR if it is between integral types with the same precision.
5193 2008-01-12 Jan Hubicka <jh@suse.cz>
5195 PR other/28023
5196 * invoke.texi (max-inline-recursive-depth): Fix default value.
5198 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
5200 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
5201 correct type.
5203 2008-01-11 Bob Wilson <bob.wilson@acm.org>
5205 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
5207 2008-01-11 James E. Wilson <wilson@specifix.com>
5209 PR target/26015
5210 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
5212 2008-01-11 Anatoly Sokolov <aesok@post.ru>
5214 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
5215 save/restore frame pointer register and don't use 'call-prologues'
5216 optimization in function with "OS_task" attribute.
5218 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
5220 PR middle-end/31309
5221 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
5222 when copying to memory.
5224 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
5226 PR rtl-optimization/30905
5227 * cfgcleanup.c: Include dce.h
5228 (crossjumps_occured): New global variable.
5229 (try_crossjump_bb): Exit loop after finding a fallthru edge.
5230 If something changed, set crossjumps_occured to true.
5231 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
5232 Don't add/remove fake edges to exit here...
5233 (cleanup_cfg): ...but do it here, when crossjumping.
5234 Run a fast DCE when successful crossjumps occured in the latest
5235 iteration of try_optimize_cfg.
5237 2008-01-11 Richard Guenther <rguenther@suse.de>
5239 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
5240 (struct vn_unary_op_s): Likewise.
5241 (vn_reference_insert): Free old reference on hash collision.
5243 2008-01-10 Raksit Ashok <raksit@google.com>
5245 PR rtl-optimization/27971
5246 * combine.c (find_split_point): Split PLUS expressions which are
5247 inside a MEM rtx, and whose first operand is complex.
5249 2008-01-10 DJ Delorie <dj@redhat.com>
5251 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
5252 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
5253 (m32c_hard_regno_ok): Call the underlying function.
5255 2008-01-10 Richard Guenther <rguenther@suse.de>
5257 PR middle-end/34683
5258 * tree-cfg.c (tree_merge_blocks): Do not go through the
5259 full-blown folding and stmt updating path if we just deal
5260 with virtual operands.
5261 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
5262 test for abnormal SSA_NAMEs.
5264 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
5266 PR middle-end/34641
5267 * reload.c (push_reload): Add assertions. All constants from
5268 reg_equiv_constant should have been used for replacing the respective
5269 pseudo earlier.
5270 (find_reloads_address): Invoke find_reloads_address_part for
5271 constant taken from the reg_equiv_constant array.
5273 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
5275 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
5276 field (valnum) the first in the struct. Replace bools with
5277 unit bit fields.
5279 2008-01-10 Richard Guenther <rguenther@suse.de>
5281 PR tree-optimization/34651
5282 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
5283 types and ordering for masking and converting.
5285 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
5287 PR tree-optimization/34017
5288 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
5289 also for PHI_NODE expressions.
5291 2008-01-09 Jan Hubicka <jh@suse.cz>
5293 PR tree-optimization/34708
5294 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
5295 based on number of case labels.
5296 (init_inline_once): Remove switch_cost.
5297 * tree-inline.h (eni_weights_d): Remove switch_cost.
5299 2008-01-09 Richard Guenther <rguenther@suse.de>
5300 Andrew Pinski <andrew_pinski@playstation.sony.com>
5302 PR middle-end/30132
5303 * gimplify.c (gimplify_cond_expr): Do not create an addressable
5304 temporary if an rvalue is ok or an lvalue is not required.
5306 2008-01-09 Richard Guenther <rguenther@suse.de>
5308 PR middle-end/34458
5309 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
5310 adjust return type.
5312 2008-01-09 Richard Guenther <rguenther@suse.de>
5314 PR middle-end/34679
5315 * tree.c (host_integerp): Check for sizetype only if the
5316 type is an integer type.
5318 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
5320 PR debug/26364
5321 * opts.c (decode_options): Disable inlining of functions called
5322 once if not in unit-at-a-time mode.
5324 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
5326 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
5328 2008-01-08 Richard Guenther <rguenther@suse.de>
5330 PR middle-end/31863
5331 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
5332 out early if the result will be unused.
5334 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
5336 PR target/34709
5337 Revert:
5339 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
5340 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5341 for TARGET_RECIP.
5343 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
5345 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
5346 for vectorization tuned.
5348 2008-01-08 Richard Guenther <rguenther@suse.de>
5350 PR tree-optimization/34683
5351 * tree-ssa-operands.c (operand_build_cmp): Export.
5352 * tree-ssa-operands.h (operand_build_cmp): Declare.
5353 * tree-vn.c (vuses_compare): Remove.
5354 (sort_vuses): Use operand_build_cmp.
5355 (sort_vuses_heap): Likewise.
5356 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
5357 to re-use old VEC if available. Do not sort already sorted VUSEs.
5358 (vdefs_to_vec): Do not sort already sorted VDEFs.
5360 2008-01-08 Jakub Jelinek <jakub@redhat.com>
5362 PR middle-end/34694
5363 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
5365 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
5367 PR target/34702
5368 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
5369 limitations of reciprocal sequences on x86 targets.
5371 2008-01-08 Richard Guenther <rguenther@suse.de>
5373 PR tree-optimization/34683
5374 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
5376 2008-01-07 Jakub Jelinek <jakub@redhat.com>
5378 PR target/34622
5379 * config/darwin.c (darwin_mergeable_string_section): Don't use
5380 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
5382 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
5384 PR target/34682
5385 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
5386 negxf2. Macroize expander using X87MODEF mode iterator. Change
5387 predicates of op0 and op1 to register_operand.
5388 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
5389 expander using X87MODEF mode iterator. Change predicates of
5390 op0 and op1 to register_operand.
5391 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
5392 corresponding patterns and macroize using MODEF macro. Change
5393 predicates of op0 and op1 to register_operand and remove
5394 "m" constraint. Disparage "r" alternative with "!".
5395 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
5396 macroize using X87MODEF macro. Change predicates of op0 and op1
5397 to register_operand and remove "m" constraint. Disparage "r"
5398 alternative with "!".
5399 (absneg splitter with memory operands): Remove.
5400 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
5401 patterns and macroize using X87MODEF mode iterator.
5402 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
5403 Change predicate of op1 to register_operand.
5404 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
5405 for memory operands.
5407 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
5409 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
5411 2008-01-07 Richard Guenther <rguenther@suse.de>
5413 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
5414 fields.
5416 2008-01-07 Richard Guenther <rguenther@suse.de>
5418 PR tree-optimization/34683
5419 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
5420 VOPs of the needed size to save memory. Use VEC_quick_push
5421 to save compile-time.
5422 (vdefs_to_vec): Likewise.
5424 2008-01-07 Sa Liu <saliu@de.ibm.com>
5426 * config/spu/spu.md (divdf3): Genetate inline code for double
5427 division. The implementation doesn't handle INF or NAN, therefore it
5428 only applies when -ffinite-math-only is given.
5430 2008-01-06 Paolo Carlini <pcarlini@suse.de>
5432 PR libstdc++/34680
5433 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
5434 * doc/cpp.texi ([Common Predefined Macros]): Document.
5436 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
5438 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
5439 order to use commutative addition instead of subtraction.
5441 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
5442 Mircea Namolaru <namolaru@il.ibm.com>
5443 Vladimir Yanovsky <yanov@il.ibm.com>
5444 Revital Eres <eres@il.ibm.com>
5446 PR tree-optimization/34263
5447 * tree-outof-ssa.c (process_single_block_loop_latch,
5448 contains_tree_r): New functions.
5449 (analyze_edges_for_bb): Call process_single_block_loop_latch
5450 function to empty single-basic-block latch block if possible.
5452 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
5454 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5455 for TARGET_RECIP.
5456 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
5458 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
5460 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
5462 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
5464 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
5466 2008-01-05 Jakub Jelinek <jakub@redhat.com>
5468 PR tree-optimization/34618
5469 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
5470 flag from T.
5472 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
5474 PR target/34673
5475 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
5476 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
5477 Update copyright year.
5479 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
5480 Update copyright year.
5481 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
5482 using NR fixup.
5484 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
5486 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
5487 edge does not point to current bb before changing need_assert.
5489 2008-01-04 Richard Guenther <rguenther@suse.de>
5491 PR middle-end/34029
5492 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
5493 for verifying purposes if they are is_gimple_min_invariant.
5495 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
5497 PR tree-optimization/34448
5498 PR tree-optimization/34465
5499 * gimplify.c (gimplify_init_constructor): Add new parameter
5500 notify_temp_creation. Use it.
5501 (gimplify_modify_expr_rhs): Take volatiles into account when
5502 optimizing constructors.
5503 Do not optimize constructors if gimplify_init_constructor will dump to
5504 memory.
5505 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
5506 * gcc.c-torture/compile/pr34448.c: New.
5508 2008-01-04 Jakub Jelinek <jakub@redhat.com>
5510 PR gcov-profile/34609
5511 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
5512 return_slot if result is TREE_ADDRESSABLE.
5514 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
5516 * config/mips/mips.md (sqrt_condition): Tweak comment.
5517 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
5519 2008-01-03 Tom Tromey <tromey@redhat.com>
5521 PR c/34457
5522 * c-common.c (c_type_hash): Handle VLAs.
5524 2008-01-03 Jan Hubicka <jh@suse.cz>
5526 PR tree-optimization/31081
5527 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
5528 0 when inlining and not inlining to first basic block.
5529 (remap_decl): When var is initialized to 0, don't set default_def.
5530 (expand_call_inline): Set entry_bb.
5531 * tree-inline.h (copy_body_data): Add entry_bb.
5533 2008-01-03 Jakub Jelinek <jakub@redhat.com>
5535 PR c++/34619
5536 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
5537 before returning.
5539 PR tree-optimization/29484
5540 * tree-inline.c (inline_forbidden_p_2): New function.
5541 (inline_forbidden_p): Disallow inlining if some static var
5542 has an address of a local LABEL_DECL in its initializer.
5543 * doc/extend.texi (Labels as Values): Document &&foo behaviour
5544 vs. inlining.
5546 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
5548 PR tree-optimization/34635
5549 * tree-data-ref.c (add_other_self_distances): Make sure that the
5550 evolution step is constant.
5552 2008-01-03 Jakub Jelinek <jakub@redhat.com>
5554 PR middle-end/34608
5555 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
5557 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
5559 * tree-sra.c (scalarize_init): Insert the generate_element_init
5560 statements after the generate_element_zero statements.
5562 2008-01-02 Richard Guenther <rguenther@suse.de>
5564 PR middle-end/34093
5565 PR middle-end/31976
5566 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
5567 for very large number of operands instead of ICEing.
5569 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
5571 PR target/34013
5572 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
5573 while stack probing.
5575 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
5577 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
5578 in C++0x mode.
5580 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
5582 PR libmudflap/26442
5583 * tree-mudflap.c (mx_register_decls): Guard warning by
5584 !DECL_ARTIFICIAL check.
5586 2008-01-01 Jakub Jelinek <jakub@redhat.com>
5588 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
5589 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
5590 sse5_perm<mode>): Fix constraints.