1 2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
3 * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
4 and __builtin_ia32_shufpd. Provide __builtin_ia32_roundsd and
5 __builtin_ia32_roundss.
6 (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
7 __builtin_ia32_shufpd, __builtin_ia32_roundsd and
8 __builtin_ia32_roundss.
9 (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
10 IX86_BUILTIN_SHUFPD here.
12 2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
14 * config/i386/i386.md (plogic): New.
15 (plogicprefix): Likewise.
17 * config/i386/mmx.md (mmx_<code><mode>3): New.
18 (mmx_and<mode>3): Removed.
19 (mmx_ior<mode>3): Likewise.
20 (mmx_xor<mode>3): Likewise.
22 * config/i386/sse.md (<code><mode>3): New.
23 (*<code><mode>3): Likewise.
24 (*<code><mode>3): Likewise.
25 (<code><mode>3): Likewise.
26 (*sse_<code><mode>3): Likewise.
27 (*sse2_<code><mode>3): Likewise.
28 (<code>tf3): Likewise.
29 (*<code>tf3): Likewise.
30 (and<mode>3): Likewise.
31 (*and<mode>3): Likewise.
32 (ior<mode>3): Removed.
33 (*ior<mode>3): Likewise.
34 (xor<mode>3): Likewise.
35 (*xor<mode>3): Likewise.
36 (*and<mode>3): Likewise.
37 (*ior<mode>3): Likewise.
38 (*xor<mode>3): Likewise.
39 (and<mode>3): Likewise.
40 (*sse_and<mode>3): Likewise.
41 (*sse2_and<mode>3): Likewise.
44 (ior<mode>3): Likewise.
45 (*sse_ior<mode>3): Likewise.
46 (*sse2_ior<mode>3): Likewise.
49 (xor<mode>3): Likewise.
50 (*sse_xor<mode>3): Likewise.
51 (*sse2_xor<mode>3): Likewise.
55 2008-04-02 Richard Guenther <rguenther@suse.de>
57 PR tree-optimization/14495
58 PR tree-optimization/34793
59 * tree-vrp.c (struct switch_update): New structure.
60 (to_remove_edges, to_update_switch_stmts): New VECs.
61 (simplify_switch_using_ranges): New function. Remove not taken
62 case labels and edges.
63 (simplify_stmt_using_ranges): Call it.
64 (identify_jump_threads): Mark edges we have queued for removal
65 so we don't thread them.
66 (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
68 * tree-cfg.c (group_case_labels): Deal with missing default label.
69 (tree_verify_flow_info): Allow missing default label.
70 * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
71 (emit_case_nodes): Likewise.
72 (expand_case): Do not rely on the default label to be present.
73 * expr.c (try_casesi): Deal with NULL default_label.
74 (do_tablejump): Likewise.
76 2008-04-02 Richard Guenther <rguenther@suse.de>
78 PR tree-optimization/14495
79 * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
81 (vrp_visit_switch_stmt): ... but here (new function).
82 (find_case_label_index): New helper function.
83 (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
85 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
87 * fwprop.c: Fix ISO-C99ism.
89 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
92 * Makefile.in (objdir): Set it here.
93 * configure.ac: Not here. Find dynamic linker characteristics.
94 * exec-tool.in: Use them.
95 * aclocal.m4: Regenerate.
96 * configure: Regenerate.
98 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
100 * expr.c (expand_var): Delete it.
101 * expr.h (expand_var): Delete prototype.
102 * function.c (expand_function_start): Use expand_decl instead.
103 * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
106 2008-04-02 Andy Hutchinson <hutchinsonamdy@aim.com>
108 PR rtl-optimization/35542
109 * fwprop.c (forward_propagate_and_simplify): Replace
110 loc_reg_mentioned_in_p with reg_mentioned_p.
112 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
114 PR rtl-optimization/35281
115 * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
116 (propagate_rtx_1): Handle PR_HANDLE_MEM.
117 (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
118 (varying_mem_p): Move above propagate_rtx.
119 (all_uses_available_at): Do not check MEMs.
121 2008-04-02 Rafael Espindola <espindola@google.com>
123 * tree-vrp.c (extract_code_and_val_from_cond): Remove.
124 (register_edge_assert_for_2): Split the cond argument.
125 (register_edge_assert_for_1): Adjust for the change in
126 register_edge_assert_for_2.
127 (register_edge_assert_for): Split the cond argument.
128 (find_switch_asserts): Adjust for the change in
129 register_edge_assert_for.
131 2008-04-02 Kai Tietz <kai.tietz@onevision.com>
133 * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
134 * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
135 offsets for 64-bit mingw.
136 * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
137 abi for x86_64-pc-mingw.
139 2008-04-02 Richard Guenther <rguenther@suse.de>
141 * tree-vrp.c (extract_range_from_assert): Make sure to not
142 produce range min/max with TREE_OVERFOW set.
143 If merging a anti-range and a range keep the anti-range if
144 the range covers all values of the type.
145 (register_edge_assert_for_2): Only allow sign-changing
146 conversions in detecting canonical range checks. Also
147 register an assert for the unsigned name if useful.
149 PR tree-optimization/35787
150 * tree-vrp.c (vrp_val_max): New function.
151 (vrp_val_min): Likewise.
152 (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
153 (vrp_val_is_min): Likewise.
154 (supports_overflow_infinity): Use vrp_val_{min,max}.
155 (negative_overflow_infinity): Likewise.
156 (positive_overflow_infinity): Likewise.
157 (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
158 (is_positive_overflow_infinity): Likewise.
159 (is_overflow_infinity): Likewise.
160 (avoid_overflow_infinity): Use vrp_val_{min,max} and
161 vrp_val_is_{min,max}.
162 (set_and_canonicalize_value_range): Canonicalize anti-ranges
163 to ranges if possible. Avoid empty ranges.
165 2008-04-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
168 * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
169 the expression is a function address.
171 2008-04-01 George Helffrich <george@gcc.gnu.org>
173 PR fortran/PR35154, fortran/PR23057
174 * fortran/trans-common.c (create_common): Add decl to function
175 chain to preserve identifier scope in debug output.
177 * dbxout.c: Emit .stabs debug info for Fortran COMMON block
178 variables as base symbol name + offset using N_BCOMM/N_ECOMM.
179 (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
180 (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
182 (dbxout_syms): Check for COMMON-based symbol and wrap in
183 N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
184 in bracket for efficiency.
186 * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
187 using DW_TAG_common_block + member offset.
188 (add_pubname_string): New function.
189 (dw_expand_expr): New function to find block name and offset for
191 (common_check): New function to check whether symbol in Fortran COMMON.
192 (gen_variable_die): If COMMON, use DW_TAG_common_block.
194 * testsuite/gcc.dg/debug/pr35154.c: New test to check that non-Fortran
195 use of common is unchanged.
197 * testsuite/lib/gfortran-dg.exp: New harness to compile Fortran progs
198 with all combinations of debug options available on target.
199 * testsuite/gfortran.dg/debug/debug.exp: Ditto.
200 * testsuite/gfortran.dg/debug/trivial.f: Ditto.
201 * testsuite/gfortran.dg/debug/pr35154-stabs.f: New test case for
202 .stabs functionality.
203 * testsuite/gfortran.dg/debug/pr35154-dwarf2.f: New test case for
206 2008-04-01 Volker Reichelt <v.reichelt@netcologne.de>
209 * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
211 2008-04-02 Ben Elliston <bje@au.ibm.com>
213 * config/v850/v850.md (casesi): Remove if (0) code.
214 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
215 * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
217 2008-04-01 Uros Bizjak <ubizjak@gmail.com>
219 * config/i386/i386.md (rex64suffix): New mode attribute.
220 (floathi<mode>2): Disable expander for SSE math.
221 (*floathi<mode>2_1): New insn insn_and_split pattern.
222 (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
223 corresponding post-reload splitters.
224 (*floathi<mode>2_i387): New macroized insn pattern.
225 (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
226 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
227 insn_and_split pattern.
228 (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
229 New macroized instruction patterns and corresponding post-reload
231 (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
232 and corresponding post-reload splitters.
233 (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
234 New macroized instruction patterns.
235 (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
236 macroized instruction patterns and corresponding post-reload splitters.
237 (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
238 corresponding post-reload splitters.
239 (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
240 New macroized instruction patterns.
241 (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
242 corresponding post-reload splitters.
243 (*floatsi<mode>2_i387): New macroized instruction patterns.
245 2008-04-01 H.J. Lu <hongjiu.lu@intel.com>
247 * config/i386/i386.md (smaxmin): New.
249 (maxminiprefix): Likewise.
250 (maxminfprefix): Likewise.
251 (<code><mode>3): Likewise.
252 (smin<mode>3): Removed.
253 (smax<mode>3): Likewise.
255 * config/i386/mmx.md (mmx_<code>v2sf3): New.
256 (mmx_<code>v4hi3): Likewise.
257 (mmx_<code>v8qi3): Likewise.
258 (mmx_smaxv2sf3): Removed.
259 (mmx_sminv2sf3): Likewise.
260 (mmx_umaxv8qi3): Likewise.
261 (mmx_smaxv4hi3): Likewise.
262 (mmx_uminv8qi3): Likewise.
263 (mmx_sminv4hi3): Likewise.
265 * config/i386/sse.md (<addsub><mode>3): New.
266 (*<addsub><mode>3): Likewise.
267 (<sse>_vm<addsub><mode>3): Likewise.
268 (<maxmin><mode>3): Likewise.
269 (*<maxmin><mode>3_finite): Likewise.
270 (*<maxmin><mode>3): Likewise.
271 (<sse>_vm<maxmin><mode>3): Likewise.
272 (sse3_h<addsub>v4sf3): Likewise.
273 (sse3_h<addsub>v2df3): Likewise.
274 (<maxmin>v16qi3): Likewise.
275 (*<maxmin>v16qi3): Likewise.
276 (<maxmin>v8hi3): Likewise.
277 (*<maxmin>v8hi3): Likewise.
278 (*sse4_1_<maxmin><mode>3): Likewise.
279 (*sse4_1_<maxmin><mode>3): Likewise.
280 (add<mode>3): Removed.
281 (*add<mode>3): Likewise.
282 (<sse>_vmadd<mode>3): Likewise.
283 (sub<mode>3): Likewise.
284 (*sub<mode>3): Likewise.
285 (<sse>_vmsub<mode>3): Likewise.
286 (smin<mode>3): Likewise.
287 (*smin<mode>3_finite): Likewise.
288 (*smin<mode>3): Likewise.
289 (<sse>_vmsmin<mode>3): Likewise.
290 (smax<mode>3): Likewise.
291 (*smax<mode>3_finite): Likewise.
292 (*smax<mode>3): Likewise.
293 (<sse>_vmsmax<mode>3): Likewise.
294 (sse3_haddv4sf3): Likewise.
295 (sse3_haddv2df3): Likewise.
296 (sse3_hsubv4sf3): Likewise.
297 (sse3_hsubv2df3): Likewise.
298 (umaxv16qi3): Likewise.
299 (*umaxv16qi3): Likewise.
300 (smaxv8hi3): Likewise.
301 (*smaxv8hi3): Likewise.
302 (*sse4_1_smax<mode>3): Likewise.
303 (*sse4_1_umax<mode>3): Likewise.
304 (uminv16qi3): Likewise.
305 (*uminv16qi3): Likewise.
306 (sminv8hi3): Likewise.
307 (*sminv8hi3): Likewise.
308 (*sse4_1_smin<mode>3): Likewise.
309 (*sse4_1_umin<mode>3): Likewise.
311 2008-04-01 Rafael Espindola <espindola@google.com>
313 * tree-cfg.c (verify_expr): remove in_phi.
314 (verify_stmt): Don't call walk_tree with verify_expr. Use
315 is_gimple_min_invariant instead of is_gimple_val.
317 2008-04-01 Joseph Myers <joseph@codesourcery.com>
319 * doc/include/gpl_v3.texi: Update for manpage generation.
320 * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
322 * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
323 * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
324 gpl_v3.texi instead of gpl.texi.
327 2008-04-01 Jakub Jelinek <jakub@redhat.com>
330 * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
332 2008-04-01 Rafael Espindola <espindola@google.com>
334 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
335 (extract_code_and_val_from_cond): Use
336 extract_code_and_val_from_cond_with_ops.
338 2008-04-01 Jan Hubicka <jh@suse.cz>
340 * function.c (free_after_compilation): Free epilogue_delay_list.
341 (prepare_function_start): Assert that previous compilation was freed.
343 2008-04-01 Jan Hubicka <jh@suse.cz>
344 Jim Wilson <wilson@tuliptree.org>
345 Andreas Tobler <andreast@gcc.gnu.org>
348 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
349 rtl.emit instead cfun->emit.
350 * sparc/sparc.h (INIT_EXPANDERS): Likewise.
351 * ia64/ia64.h (INIT_EXPANDERS): Likewise.
353 2008-04-01 Ben Elliston <bje@au.ibm.com>
355 * doc/c-tree.texi (Function Basics): Fix grammatical error.
357 2008-03-31 Seongbae Park <seongbae.park@gmail.com>
359 * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
361 (fprofile-use): Add var flag_profile_use
362 * coverage.c (coverage_begin_output): Do not open a gcno file for
363 output only if -ftest-coverage is set.
364 Do not add getpwd() to gcda file path.
365 (build_gcov_info): Check the new flag
366 flag_profile_datafile_relative_path.
367 (coverage_init): Use profile_data_prefix.
368 Read profile counter only if flag_profile_use is set.
369 * opts.c (common_handle_option): New option fprofile-use=,
370 fprofile-dir=, fprofile-generate=.
371 * toplev.c (profile_data_prefix): New variable definition.
372 * toplev.h (profile_data_prefix): New declaration.
373 * doc/invoke.tex (Option Summary, Optimization Options):
376 2008-03-31 James E. Wilson <wilson@tuliptree.org>
378 * varasm.c (output_constant_pool_1): In LABEL_REF check,
379 use tmp consistently.
382 * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
383 * config/ia64/ia64.c (rtx_needs_barrier): Handle
384 UNSPEC_FR_RECIP_APPROX_RES.
385 * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
387 2008-03-31 Volker Reichelt <v.reichelt@netcologne.de>
390 * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
392 2008-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
395 * fold-const.c (fold_indirect_ref_1): Support accessing non first
396 element of the vector via a pointer.
398 2008-03-31 Ian Lance Taylor <iant@google.com>
400 * tlink.c (scan_linker_output): Look for symbol name in single quotes.
402 2008-03-31 Jan Hubicka <jh@suse.cz>
404 * builtins.c (expand_builtin_setjmp_receiver): Update call of
405 get_arg_pointer_save_area.
406 * expr.c (init_expr): Just clear out rtl.expr.
407 * function.c (free_after_compilation): Clear out whole RTL structure.
408 (get_func_frame_size): Merge into ...
409 (get_frame_size): ... this one.
410 (assign_stack_local_1): Merge into ...
411 (assign_stack_local): ... this one.
412 (expand_function_end): Update call of get_arg_pointer_save_area.
413 (get_art_pointer_save_area): Remove cfun argument.
414 * function.h (emit_status): regno_pointer_align does not need length
415 attribute. Move x_regno_reg_rtx to ...
416 (regno_reg_rtx): ... new global array.
417 (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
418 (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
419 apply_args_value, forced_labels, stack_pointer_delta):
421 (struct varasm_status): Move here from varasm.c
422 (struct rtl_data): New. Move here some fields from struct function.
423 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
424 frame_offset, stack_check_probe_note, arg_pointer_save_area,
425 used_temp_slots avail_temp_slots, temp_slot_level,
426 nonlocal_goto_handler_labels): Update accesstors.
427 (rtl): New global variable.
428 (struct function): Move some fileds to rtl_data.
429 (get_arg_pointer_save_area): Update prototype.
430 * emit-rtl.c (rtl): Declare.
431 (regno_reg_rtx): Declare.
432 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
434 (gen_reg_rtx): Update.
435 (init_virtual_regs): Do not tate emit_status argument.
436 (init_emit): Do not allocate emit.
437 * varasm.c (varasm_statuc): Move to function.h.
438 (n_deferred_constatns): Update accestor.
439 (init_varasm_status): Do not allocate varasm_status.
440 (force_const_mem, get_pool_size, output_constant_pool): Update.
441 * stmt.c (force_label_rtx): Do not use x_ prefixes.
442 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
444 2008-03-31 Zdenek Dvorak <ook@ucw.cz>
446 PR rtl-optimization/35729
447 * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
450 2008-03-31 H.J. Lu <hongjiu.lu@intel.com>
453 * config/i386/i386.md (*movti_internal): Emit unaligned SSE
454 load/store if memory is unaligned.
455 (*movti_rex64): Likewise.
457 * config/i386/predicates.md (misaligned_operand): New.
459 2008-03-31 Andrew Pinski <pinskia@gmail.com>
462 * tree-ssa-phiopt.c (conditional_replacement): Return early for
465 2008-03-31 Jan Beulich <jbeulich@novell.com>
467 * config/ia64/constraints.md: Add 'j' constraint.
468 * config/ia64/ia64.md (movsi_internal): Add addp4 case.
469 (movdi_internal): Likewise.
471 2008-03-30 Volker Reichelt <v.reichelt@netcologne.de>
474 * c-typeck.c (build_c_cast): Skip invalid fields in unions.
476 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
479 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
480 proper error message for the third argument on blendpd and
483 * config/i386/sse.md (blendbits): New.
484 (sse4_1_blendp<ssemodesuffixf2c>): Use it.
486 2008-03-30 Eric Botcazou <ebotcazou@adacore.com>
488 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
490 2008-03-30 Richard Guenther <rguenther@suse.de>
493 * fold-const.c (fold_sign_changed_comparison): Do leave
494 conversions to base-types alone.
496 2008-03-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
498 * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
499 the link register if one altivec register is be saved.
501 2008-03-30 Ben Elliston <bje@au.ibm.com>
503 * final.c (final_scan_insn): Remove if (0) code.
505 2008-03-28 Volker Reichelt <v.reichelt@netcologne.de>
507 * c-parser.c (c_parser_next_token_is_keyword): Simplify.
509 2008-03-28 H.J. Lu <hongjiu.lu@intel.com>
511 * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
512 of V4SFmode to ix86_binary_operator_ok.
514 2008-03-28 Uros Bizjak <ubizjak@gmail.com>
516 * config/i386/i386.c (override_options): Initialize
517 ix86_veclib_handler to ix86_veclibabi_svml when
518 -mveclibabi=svml is used.
519 (ix86_veclibabi_svml): New function for SVML ABI style
520 vectorization support.
521 * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
523 2008-03-28 Rafael Espindola <espindola@google.com>
525 * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
526 (tree_binary_nonnegative_warnv_p): Make it public.
527 (tree_single_nonnegative_warnv_p): Make it public.
528 (tree_invalid_nonnegative_warnv_p): Make it public.
529 (tree_unary_nonzero_warnv_p): Make it public.
530 (tree_binary_nonzero_warnv_p): Make it public
531 (tree_single_nonzero_warnv_p): Make it public.
532 * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
533 (extract_range_from_binary_expr): Split the expr argument.
534 (extract_range_from_unary_expr): Split the expr argument.
535 (extract_range_from_comparison): Split the expr argument.
536 (extract_range_from_expr): Use the new aux functions.
537 (vrp_evaluate_conditional_warnv): Use
538 vrp_evaluate_conditional_warnv_with_ops.
539 * tree.h (tree_unary_nonzero_warnv_p): Declare.
540 (tree_binary_nonzero_warnv_p): Declare.
541 (tree_single_nonzero_warnv_p): Declare.
542 (tree_expr_nonzero_warnv_p): Declare.
543 (tree_unary_nonnegative_warnv_p): Declare.
544 (tree_binary_nonnegative_warnv_p): Declare.
545 (tree_single_nonnegative_warnv_p): Declare.
546 (tree_invalid_nonnegative_warnv_p): Declare.
548 2008-03-28 Richard Guenther <rguenther@suse.de>
550 PR tree-optimization/30317
551 PR tree-optimization/30911
552 PR tree-optimization/34793
553 * tree-vrp.c (set_and_canonicalize_value_range): New function.
554 (struct assert_locus_d): New member EXPR.
555 (register_new_assert_for): Add EXPR parameter to support
556 ASSERT_EXPR <name, expr OP limit>.
557 (register_edge_assert_for_1): Adjust callers.
558 (find_assert_locations): Likewise.
559 (process_assert_insertions_for): Build condition from expression.
560 (extract_range_from_assert): Handle ASSERT_EXPRs
561 of the form ASSERT_EXPR <name, expr OP limit>.
562 (register_edge_assert_for_2): New helper registering
563 asserts for comparisons. Recognize range tests of the form
564 (unsigned)i - CST1 OP CST2.
565 (register_edge_assert_for_1): Use it.
566 (register_edge_assert_for): Likewise.
567 (needs_overflow_infinity): Integer sub-types
568 do not need overflow infinities.
569 (vrp_val_is_max): The extreme values of integer sub-types
570 are those of the base type.
571 (vrp_val_is_min): Likewise.
572 * tree.def (ASSERT_EXPR): Document extra allowed conditional
575 2008-03-28 Nick Clifton <nickc@redhat.com>
577 * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
578 Return GENERAL_REGS for stack adjustment reloads.
580 2008-03-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
583 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
584 const_vector when all the vectors are constant.
586 2008-03-27 Bob Wilson <bob.wilson@acm.org>
588 * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
590 * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
591 (any_scc_sf): Add uneq, unlt, unle and unordered operators.
593 (s<code>_sf): Use new scc_sf attribute for opcode names.
595 2008-03-27 Tom Tromey <tromey@redhat.com>
597 * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
598 configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
599 config/spu/t-spu-elf, config/i386/t-interix,
600 config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
601 config/i386/x-darwin, config/i386/x-mingw32,
602 config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
603 config/sh/t-sh, config/sh/t-symbian, config/x-linux,
604 config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
605 config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
606 config/rs6000/x-rs6000, config/rs6000/x-darwin64,
607 config/rs6000/x-darwin, config/rs6000/t-rs6000,
608 config/score/t-score-elf, config/arm/t-strongarm-pe,
609 config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
610 config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
611 Revert automatic dependency patch.
613 2008-03-27 H.J. Lu <hongjiu.lu@intel.com>
616 * config/i386/i386.c (ix86_function_arg_boundary): Align
617 decimal floating point to its natural boundary.
619 2008-03-27 Richard Guenther <rguenther@suse.de>
622 * fold-const.c (fold_comparison): Restrict distinct decl
623 comparison folding to VAR_DECLs and PARM_DECLs. Do not
624 solely rely on operand_equal_p.
626 2008-03-27 Richard Guenther <rguenther@suse.de>
629 * c-common.c (handle_weak_attribute): Reject combination of
632 2008-03-27 Richard Guenther <rguenther@suse.de>
634 PR tree-optimization/32810
635 * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
636 conversions from DECL_INITIAL.
637 (fold_const_aggregate_ref): Likewise from constructor elements.
639 2008-03-27 Zdenek Dvorak <ook@ucw.cz>
641 * tree-affine.h (aff_combination_expand): Declare.
642 (get_inner_reference_aff): Likewise.
643 * tree-affine.c (aff_combination_expand): Split out from
644 tree_to_aff_combination_expand.
645 (get_inner_reference_aff): New function.
646 * tree-parloops.c (loop_parallel_p): Free vectorizer info.
647 * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
648 (struct lim_aux_data): sm_done field removed.
649 (mem_ref_loc_p, mem_ref_locs_p): New types.
650 (struct mem_ref): Added id, stored, accesses_in_loop,
651 indep_loop, dep_loop, indep_ref, dep_ref fields.
652 Removed is_stored, locs and next fields.
653 (memory_accesses): New variable.
654 (movement_possibility): Do not allow moving statements
655 that store to memory.
656 (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
658 (determine_max_movement): For statements with memory references,
659 find the outermost loop in that the reference is independent.
660 (move_computations_stmt): Mark the virtual operands for renaming.
661 (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
662 gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
663 vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
664 add_vop_ref_mapping, create_vop_ref_mapping_loop,
665 create_vop_ref_mapping, analyze_memory_references,
666 cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
667 get_all_locs_in_loop, ref_always_accessed_p,
668 refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
669 ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
670 store_motion_loop, store_motion): New functions.
671 (struct vop_to_refs_elt): New type.
672 (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
673 memref_hash, memref_eq, hoist_memory_references): Rewritten.
674 (schedule_sm): Replaced by...
675 (execute_sm): ... this.
676 (determine_lsm_ref, hoist_memory_references,
677 loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
678 find_more_ref_vops, free_mem_ref, free_mem_refs,
679 determine_lsm_loop, determine_lsm): Removed.
680 (tree_ssa_lim_finalize): Free data structures used by store motion.
681 (tree_ssa_lim): Call analyze_memory_references. Use
682 store_motion instead of determine_lsm.
684 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
686 * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
687 rename tmake_file to m68hc11/t-m68hc11.
688 (mcore): Set inhibit_libc to true.
689 * config.host (alpha*-dec-*vms*): Set extra_programs.
690 (interix3*): Don't use host_xmake_file.
691 * configure.ac: Let config.gcc override inhibit_libc.
692 * configure: Regenerate.
694 * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
695 * config/t-openbsd-thread: Remove commented out lines.
697 * config/x-interix: Remove.
699 * config/m68hc11/t-m68hc11-gas: Rename to...
700 * config/m68hc11/t-m68hc11: ... this. Remove T_CPPFLAGS.
702 * config/mcore/t-mcore: Remove T_CFLAGS.
703 * config/mcore/t-mcore-pe: Likewise.
705 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
707 * configure.ac: Replace custom __GNU_SOURCE test with
708 AC_USE_SYSTEM_EXTENSIONS. Move it earlier.
709 * aclocal.m4: Regenerate.
710 * configure: Regenerate.
711 * config.in: Regenerate.
713 2008-03-27 Richard Guenther <rguenther@suse.de>
715 * fold-const.c (target.h): Include.
716 (fold_comparison): Fold comparison of addresses of decls
717 that bind locally or of constants. Consolidate address folding code.
718 * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
719 results from fold_binary_to_constant.
720 (compare_values_warnv): Likewise.
722 2008-03-27 Andrew Pinski <pinskia@gmail.com>
725 * fold-const.c (fold_truthop): Check for integeral types when folding
726 a == 0 && b == 0 and a != 0 || b != 0 .
728 2008-03-26 Eric Botcazou <ebotcazou@adacore.com>
730 * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
732 2008-03-26 Andreas Schwab <schwab@suse.de>
734 * doc/invoke.texi: Fix use of @item vs. @itemx.
736 2008-03-26 Tom Tromey <tromey@redhat.com>
738 * Makefile.in (build/gensupport.o, build/print-rtl.o,
739 build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
740 build/genattrtab.o, build/genautomata.o, build/gencheck.o,
741 build/gencodes.o, build/genconditions.o, build/genconfig.o,
742 build/genconstants.o, build/genemit.o, build/genextract.o,
743 build/genflags.o, build/genmddeps.o, build/genopinit.o,
744 build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
747 2008-03-26 Richard Guenther <rguenther@suse.de>
750 2008-03-26 Richard Guenther <rguenther@suse.de>
752 * fold-const.c (target.h): Include.
753 (fold_comparison): Fold comparison of addresses of two decls
754 that bind locally. Consolidate address folding code.
756 2008-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
758 * builtins.c (expand_builtin_pow, fold_builtin_cabs,
759 fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
760 fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
761 dconstsqrt2, dconstthird, dconste and/or dconst10.
762 * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
763 * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
764 dconstsqrt2, dconste): Delete.
765 (init_emit_once): Likewise. Simplify initializing dconstm1.
767 * real.c (get_real_const): New.
768 * real.h (dconst3, dconst10, dconstm2, dconstthird,
769 dconstsqrt2, dconste): Delete.
770 (real_value_const, get_real_const): New.
772 2008-03-26 H.J. Lu <hongjiu.lu@intel.com>
774 * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
776 * config/i386/i386.c (ix86_function_arg_boundary): Check
777 BIGGEST_ALIGNMENT instead of 128.
778 (setup_incoming_varargs_64): Likewise.
780 2008-03-26 Tom Tromey <tromey@redhat.com>
782 * Makefile.in (DEPFILES): Add missing '/'.
784 2008-03-26 Richard Guenther <rguenther@suse.de>
786 * fold-const.c (target.h): Include.
787 (fold_comparison): Fold comparison of addresses of two decls
788 that bind locally. Consolidate address folding code.
790 2008-03-26 Nick Clifton <nickc@redhat.com>
793 * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
794 not allow INT+INT as a legitimate addressing mode.
796 2008-03-26 Richard Guenther <rguenther@suse.de>
798 * tree-flow.h (widen_bitfield): Remove declaration.
799 * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
800 (widen_bitfield): Remove function.
801 * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
804 2008-03-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
807 * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
810 2008-03-25 Richard Sandiford <rsandifo@nildram.co.uk>
812 PR rtl-optimization/35232
813 * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
814 (forget_old_reloads_1, forget_marked_reloads): Don't clear
815 reg_reloaded_call_part_clobbered here.
816 (reload_regs_reach_end_p): New function.
817 (reload_reg_rtx_for_input): New variable.
818 (reload_reg_rtx_for_output): Likewise.
819 (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
820 when reassigning a pseudo register. Load reloadreg from
821 reload_reg_rtx_for_input, moving the mode and register
823 (do_input_reload): ...here. Use the mode-adjusted reg_rtx
824 instead of the original when deciding whether an input reload
825 would be a no-op or whether an output reload can be deleted.
826 (emit_output_reload_insns): Use the mode-adjusted reg_rtx
827 when setting up new_spill_reg_store. Load it from
828 reload_reg_rtx_for_output, moving the mode and register
830 (do_output_reload): ...here. Use the mode-adjusted reg_rtx
831 instead of the original when deciding whether an output reload
832 would be a no-op. Do the same when modifying insn notes.
833 Use rtx_equal_p instead of == to compare the registers.
834 (inherit_piecemeal_p): Take a mode and two register numbers
836 (emit_reload_insns): Clear new_spill_reg_store for every hard
837 register in the reload register. Remove spill registers
838 from reg_reloaded_valid before considering whether to record
839 inheritance information for them. Use reload_reg_rtx_for_output
840 instead of reg_rtx when recording output reloads. Use
841 reload_reg_rtx_for_input instead of reg_rtx when recording
842 input reloads. Set or clear reg_reloaded_call_part_clobbered
843 at the same time as setting reg_reloaded_valid.
844 (delete_output_reload): Add a new_reload_reg parameter and use it
845 instead of rld[j].reg_rtx.
846 (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
849 2008-03-25 Tom Tromey <tromey@redhat.com>
851 * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
852 (build/genattr.o): Likewise.
853 (build/genattrtab.o): Likewise.
854 (build/gencodes.o): Likewise.
855 (build/genconfig.o): Likewise.
856 (build/genconstants.o): Likewise.
857 (build/genemit.o): Likewise.
858 (build/genextract.o): Likewise.
859 (build/genflags.o): Likewise.
861 2008-03-25 Bob Wilson <bob.wilson@acm.org>
863 * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
864 instead of size_int for integer types.
865 (xtensa_gimplify_va_arg_expr): Likewise. Convert index to sizetype
866 to match type of MINUS_EXPR.
868 2008-03-25 Tom Tromey <tromey@redhat.com>
870 * configure: Rebuilt.
871 * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
874 2008-03-25 Tom Tromey <tromey@redhat.com>
876 * config/x-solaris (host-solaris.o): Update.
877 * config/x-linux (host-linux.o): Update.
878 * config/x-hpux (host-hpux.o): Update.
879 * config/x-darwin (host-darwin.o): Update.
880 * config/v850/t-v850e (v850-c.o): Update.
881 * config/v850/t-v850 (v850-c.o): Update.
882 * config/t-vxworks (vxworks.o): Update.
883 * config/t-sol2 (sol2-c.o, sol2.o): Update.
884 * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
885 * config/spu/t-spu-elf (spu-c.o): Update.
887 * config/sh/t-symbian (sh-c.o): Update.
889 * config/sh/t-sh (sh-c.o): Update.
890 * config/score/t-score-elf (score7.o, score3.o): Update.
891 * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
892 * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
893 * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
894 * config/rs6000/t-rs6000 (rs6000-c.o): Update.
896 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
897 * config/m32c/t-m32c (m32c-pragma.o): Update.
898 * config/ia64/t-ia64 (ia64-c.o): Update.
899 * config/i386/x-mingw32 (host-mingw32.o): Update.
900 * config/i386/x-i386 (driver-i386.o): Update.
901 * config/i386/x-darwin (host-i386-darwin.o): Update.
902 * config/i386/x-cygwin (host-cygwin.o): Update.
903 * config/i386/t-nwld (nwld.o): Update.
904 * config/i386/t-netware (netware.o): Update.
905 * config/i386/t-interix (winnt.o): Update.
906 * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
907 * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
908 msformat-c.o): Update.
909 * config/bfin/t-bfin-linux (generated_files): Add
910 linux-sysroot-suffix.h.
911 * config/arm/t-wince-pe (pe.o): Update.
912 * config/arm/t-strongarm-pe (pe.o): Update.
913 * config/arm/t-pe (pe.o): Update.
914 * config/arm/t-arm (arm-c.o): Update.
915 * doc/install.texi (Prerequisites): Require make 3.80.
916 * Makefile.in: Remove .o targets.
917 (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
918 (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
919 (simple_generated_h, simple_generated_c): Move earlier.
920 (generated_files): New variable.
921 (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
922 TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
923 BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
924 ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
925 REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
926 CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
927 CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
928 INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
929 PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
930 TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
931 DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
932 VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
934 (COMPILE.base, COMPILE): New variables.
935 (%.o): New pattern rule.
936 (ALL_HOST_OBJS): New variable.
937 (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
938 (dummy-checksum.o, cc1-checksum.o): Remove.
939 (DRIVER_SHLIB): New variable.
940 (DRIVER_DEFINES): Use it.
941 (gencondmd.c): Move out of build/.
942 (s-conditions): Update.
943 (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
944 (ALL_BUILD_OBJS): Likewise.
945 (build/%.o): Use BUILDCOMPILE.
946 (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
947 build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
948 build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
949 build/gencheck.o, build/gencodes.o, build/genconditions.o,
950 build/genconfig.o, build/genconstants.o, build/genemit.o,
951 build/genextract.o, build/genflags.o, build/genmddeps.o,
952 build/genopinit.o, build/genoutput.o, build/genpeep.o,
953 build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
954 build/gen-protos.o, build/scan.o, build/fix-header.o,
955 build/scan-decls.o): Simplify.
956 (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
957 cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
958 prefix.o, toplev.o): Reduce to variable setting.
959 (libbackend.o): Use COMPILE. Remove most dependencies. Move later.
960 ($(out_object_file), gcc-options.o): New targets.
961 ($(ALL_HOST_OBJS)): New target. Include dependency files.
962 * configure: Rebuilt.
963 * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
964 * doc/sourcebuild.texi (Front End Directory): Document new variable.
966 2008-03-25 Douglas Gregor <doug.gregor@gmail.com>
968 * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
969 complain when we hit an error, return ERROR_MARK_NODE.
971 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
973 * config/sh/constraints.md (Pso, Psz): New constraints.
974 * config/sh/sh.c (print_operand): Add %V and %W operand codes.
975 * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
977 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
979 * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
980 * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
982 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
984 * config/sh/sh.md (prefetch): Add condition for SH2A target.
985 (prefetch_sh2a): New.
987 2008-03-25 Jayant Sonar <Jayant.sonar@kpitcummins.com>
988 Naveen.H.S <naveen.hs@kpitcummins.com>
990 * config/sh/constraints.md (I28): New constraint.
991 * config/sh/sh.c (broken_move): Add support for movi20s.
992 * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
994 2008-03-25 Anil Paranjape <anil.paranjape@kpitcummins.com>
995 Jayant Sonar <Jayant.sonar@kpitcummins.com>
996 Naveen.H.S <naveen.hs@kpitcummins.com>
998 * config/sh/sh.c (SH_ATTRIBUTES): Define.
999 (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
1000 (print_operand): Handle resbank in %@ operand code.
1001 (sh_encode_section_info): New.
1002 (push_regs): Add conditions for resbank.
1003 (sh_expand_epilogue): Likewise.
1004 (sh_insert_attributes): Likewise.
1005 (sh_attribute_table): Likewise.
1006 (sh_handle_resbank_handler_attribute): New.
1007 (sh2a_handle_function_vector_handler_attribute): New.
1008 (sh2a_is_function_vector_call): New.
1009 (sh2a_get_function_vector_number): New.
1010 (sh2a_function_vector_p): New.
1011 (sh_cfun_resbank_handler_p): New.
1012 * config/sh/sh.md (calli): Emit jsr/n if possible.
1013 (calli_tbr_rel): New.
1014 (calli_pcrel): Emit jsr/n if possible.
1015 (return_i): Emit rts/n if possible.
1016 (call_valuei_tbr_rel): New.
1017 (call_valuei_pcrel): Add condition for SH2A target.
1018 (call_value): Likewise.
1019 * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
1020 (sh2a_get_function_vector_number): Likewise.
1021 (sh2a_is_function_vector_call): Likewise.
1022 * doc/extend.texi: Document TBR relative addressing of SH2A.
1023 (resbank): Add description for SH2A.
1025 2008-03-24 Richard Guenther <rguenther@suse.de>
1028 * gimplify.c (gimplify_modify_expr): For frontend type-correct
1029 pointer assignments change conversions according to middle-end rules.
1030 (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
1031 * configure.ac: Include type checking in yes.
1032 * configure: Regenerate.
1034 2008-03-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1036 * diagnostic.c (diagnostic_count_diagnostic): Delete.
1037 (diagnostic_report_diagnostic): Update. Handle ICEs here.
1039 2008-03-24 Nathan Sidwell <nathan@codesourcery.com>
1041 * gthr-vxworks.h (UNUSED): Define.
1043 2008-03-23 H.J. Lu <hongjiu.lu@intel.com>
1045 * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
1047 2008-03-23 Zuxy Meng <zuxy.meng@gmail.com>
1049 * doc/extend.texi (Function Attributes): Add missing comma in the
1050 example of the "alloc_size" attribute.
1052 2008-03-23 Uros Bizjak <ubizjak@gmail.com>
1055 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
1057 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1060 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
1063 * stor-layout.c (update_alignment_for_field): Set minimum alignment
1064 of the underlying type of a MS bitfield layout to the natural
1065 alignment of the type.
1067 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
1069 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1070 to their natural alignment to avoid store forwarding stalls.
1072 2008-03-22 Richard Guenther <rguenther@suse.de>
1074 * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
1075 For PHI nodes verify the address is invariant.
1076 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
1077 (get_symbol_constant_value): Use is_gimple_min_invariant.
1078 (maybe_fold_stmt_indirect): Likewise.
1080 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
1082 PR rtl-optimization/33927
1083 * Makefile.in (dse.o): Depend on $(TM_P_H).
1084 * expr.h (extract_low_bits): Declare.
1085 * expmed.c (extract_low_bits): New function.
1086 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
1087 * dse.c: Include tm_p.h.
1088 (find_shift_sequence): Remove the read_reg argument and return the
1089 read value. Emit the instructions instead of returning them.
1090 Iterate on new_mode rather than calculating it each time.
1091 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
1092 source to NEW_MODE and extract_low_bits to convert the shifted
1094 (replace_read): Allow the load and store to have different mode
1095 classes. Use extract_low_bits when SHIFT == 0. Create the shift
1096 or extraction instructions before trying the replacement. Update
1097 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
1099 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
1101 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1102 to their natural alignment to avoid store forwarding stalls.
1104 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
1107 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
1108 encouraging but not allowing gprs for input;
1109 change the input constraint to !f#r.
1110 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
1112 change the output constraint to !f#r.
1114 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
1117 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
1118 corresponding post-reload splitters.
1119 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
1120 when x87 FP math is selected.
1121 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
1122 New function prototype.
1123 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
1124 unreachable function to ease macroization of insn patterns.
1126 2008-03-21 Martin Jambor <mjambor@suse.cz>
1128 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
1129 reference dumps if ddr is NULL or dependence is unknown.
1131 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1133 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
1134 unsigned extension into account.
1135 (ATOMIC_COMPARE_AND_SWAP): Likewise.
1136 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
1137 Do computations on a scratch register.
1139 2008-03-21 Richard Guenther <rguenther@suse.de>
1141 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1142 Use is_gimple_min_invariant instead of TREE_INVARIANT.
1143 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
1144 * tree-ssa-dom.c (record_equality): Likewise.
1145 * tree-inline.c (copy_body_r): Likewise.
1146 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
1149 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1151 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
1152 as 'delete_unused' argument.
1154 2008-03-20 Richard Guenther <rguenther@suse.de>
1156 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1157 special casing of constant qualifiers.
1158 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
1159 care about them in general.
1160 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
1161 regardless of their type.
1162 (fold_stmt_r): Forcefully fold *& if we end up with that.
1164 2008-03-20 Paul Brook <paul@codesourcery.com>
1166 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
1167 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
1169 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
1171 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
1172 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
1174 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
1176 * common.opt (Wmudflap): New option.
1177 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
1178 (mx_register_decls): Likewise.
1179 (mudflap_finish_file): Likewise.
1180 * doc/invoke.texi: Document -Wno-mudflap.
1182 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
1184 * c-format.c (replace_format_name_to_system_name): New.
1186 (convert_format_name_to_system_name): New.
1187 (decode_format_attr): Add use of convert_format_name_to_system_name.
1188 (format_types_orig): Add gnu_ prefix to names.
1189 (check_format_info_main): Special treating of \0 escaped names for
1190 supporting multi-character format specifiers as I32, I64.
1191 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
1192 (gnu_target_overrides_format_attributes): New.
1193 * c-format.h: Add structure target_ovr_attr to hold
1194 system specific formatter names.
1195 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
1196 msformat-c.o file to c_target_objs and cxx_target_objs.
1197 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1198 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
1199 (TARGET_N_FORMAT_TYPES): New.
1200 * config/i386/msformat-c.c: New.
1201 * config/i386/t-cygming: Add build rule for msformat-c.o.
1202 * doc/extend.texi: Add new format names gnu_* and ms_* and
1204 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1206 2008-03-20 Ira Rosen <irar@il.ibm.com>
1208 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
1209 optimizations turned on under -O3.
1210 (ftree-vectorize): Add that the flag is turned on with -O3.
1212 2008-03-20 Ben Elliston <bje@au.ibm.com>
1214 * regmove.c (try_auto_increment): Fix spelling error in comment.
1215 * final.c (final_scan_insn): Likewise.
1217 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
1220 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
1221 allocator preferences for "y" and "r" class registers.
1222 ("*mov<mode>_internal"): Ditto.
1223 ("*movv2sf_internal_rex64"): Ditto.
1224 ("*movv2sf_internal"): Ditto.
1226 2008-03-19 Michael Matz <matz@suse.de>
1229 * calls.c (expand_call): Check overlap of arguments with call
1230 address for sibcalls.
1232 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
1235 * stor-layout.c (update_alignment_for_field): Set minimum alignment
1236 of the underlying type of a MS bitfield layout to the natural
1237 alignment of the type.
1239 2008-03-19 Jan Hubicka <jh@suse.cz>
1242 * toplev.c (decode_d_option): Handle all CPP flags.
1243 * tree-vrp.c: Update tree_pass descriptors.
1244 * regrename.c: Update tree_pass descriptors.
1245 * fwprop.c: Update tree_pass descriptors.
1246 * doc/invoke.texi: Remove documentation of dropped -d? flags.
1247 * tree-into-ssa.c: Update tree_pass descriptors.
1248 * tree-dump.c: Update tree_pass descriptors.
1249 * tree-complex.c: Update tree_pass descriptors.
1250 * tree-dump.h: Update tree_pass descriptors.
1251 * see.c: Update tree_pass descriptors.
1252 * cgraphbuild.c: Update tree_pass descriptors.
1253 * tracer.c: Update tree_pass descriptors.
1254 * tree-loop-distribution.c: Update tree_pass descriptors.
1255 * cgraph.c: Update tree_pass descriptors.
1256 * postreload-gcse.c: Update tree_pass descriptors.
1257 * postreload.c: Update tree_pass descriptors.
1258 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1259 * tree-tailcall.c: Update tree_pass descriptors.
1260 * tree-pass.h (tree_opt_pass): Rename to ...
1261 (opt_pass) ... this one; add "type" field and remove letter field.
1262 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
1263 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
1264 all_lowering_passes): Update declaration.
1265 * ipa-cp.c: Update tree_pass descriptors.
1266 * final.c: Update tree_pass descriptors.
1267 * omp-low.c: Update tree_pass descriptors.
1268 * tree-ssa-dse.c: Update tree_pass descriptors.
1269 * ipa-reference.c: Update tree_pass descriptors.
1270 * tree-ssa-uncprop.c: Update tree_pass descriptors.
1271 * auto-inc-dec.c: Update tree_pass descriptors.
1272 * reorg.c: Update tree_pass descriptors.
1273 * cgraphunit.c: Update tree_pass descriptors.
1274 * tree-ssa-copyrename.c: Update tree_pass descriptors.
1275 * tree-ssa-ccp.c: Update tree_pass descriptors.
1276 * df-core.c: Update tree_pass descriptors.
1277 * mode-switching.c: Update tree_pass descriptors.
1278 * tree-nomudflap.c: Update tree_pass descriptors.
1279 * modulo-sched.c: Update tree_pass descriptors.
1280 * ipa-pure-const.c: Update tree_pass descriptors.
1281 * cse.c: Update tree_pass descriptors.
1282 * web.c: Update tree_pass descriptors.
1283 * tree-stdarg.c: Update tree_pass descriptors.
1284 * tree-ssa-math-opts.c: Update tree_pass descriptors.
1285 * tree-ssa-dom.c: Update tree_pass descriptors.
1286 * tree-nrv.c: Update tree_pass descriptors.
1287 * tree-ssa-alias.c: Update tree_pass descriptors.
1288 * loop-init.c: Update tree_pass descriptors.
1289 * gimple-low.c: Update tree_pass descriptors.
1290 * ipa-inline.c: Update tree_pass descriptors.
1291 * tree-ssa-sink.c: Update tree_pass descriptors.
1292 * global.c: Update tree_pass descriptors.
1293 * ifcvt.c: Update tree_pass descriptors.
1294 * jump.c: Update tree_pass descriptors.
1295 * predict.c: Update tree_pass descriptors.
1296 * tree-ssa-loop.c: Update tree_pass descriptors.
1297 * recog.c: Update tree_pass descriptors.
1298 * dse.c: Update tree_pass descriptors.
1299 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
1300 * tree-eh.c: Update tree_pass descriptors.
1301 * regmove.c: Update tree_pass descriptors.
1303 * function.c: Update tree_pass descriptors.
1304 * tree-vectorizer.c: Update tree_pass descriptors.
1305 * gcse.c: Update tree_pass descriptors.
1306 * ipa-type-escape.c: Update tree_pass descriptors.
1307 * tree-if-conv.c: Update tree_pass descriptors.
1308 * init-regs.c: Update tree_pass descriptors.
1309 * ipa.c: Update tree_pass descriptors.
1310 * tree-ssa-phiopt.c: Update tree_pass descriptors.
1311 * rtl-factoring.c: Update tree_pass descriptors.
1312 * lower-subreg.c: Update tree_pass descriptors.
1313 * bt-load.c: Update tree_pass descriptors.
1314 * tree-dfa.c: Update tree_pass descriptors.
1315 * except.c: Update tree_pass descriptors.
1316 * emit-rtl.c: Update tree_pass descriptors.
1317 * cfgexpand.c: Update tree_pass descriptors.
1318 * tree-cfgcleanup.c: Update tree_pass descriptors.
1319 * cfgcleanup.c: Update tree_pass descriptors.
1320 * tree-ssa-pre.c: Update tree_pass descriptors.
1321 * tree-sra.c: Update tree_pass descriptors.
1322 * tree-mudflap.c: Update tree_pass descriptors.
1323 * tree-ssa-copy.c: Update tree_pass descriptors.
1324 * cfglayout.c: Update tree_pass descriptors.
1325 * tree-ssa-forwprop.c: Update tree_pass descriptors.
1326 * tree-ssa-dce.c: Update tree_pass descriptors.
1327 * tree-ssa.c: Update tree_pass descriptors.
1328 * regclass.c: Update tree_pass descriptors.
1329 * integrate.c: Update tree_pass descriptors.
1330 * tree-optimize.c: Update tree_pass descriptors.
1331 * tree-ssa-phiprop.c: Update tree_pass descriptors.
1332 * tree-object-size.c: Update tree_pass descriptors.
1333 * combine.c: Update tree_pass descriptors.
1334 * tree-outof-ssa.c: Update tree_pass descriptors.
1335 * bb-reorder.c: Update tree_pass descriptors.
1336 * stack-ptr-mod.c: Update tree_pass descriptors.
1337 * var-tracking.c: Update tree_pass descriptors.
1338 * tree-profile.c: Update tree_pass descriptors.
1339 * tree-vect-generic.c: Update tree_pass descriptors.
1340 * reg-stack.c: Update tree_pass descriptors.
1341 * sched-rgn.c: Update tree_pass descriptors.
1342 * tree-ssa-structalias.c: Update tree_pass descriptors.
1343 * tree-cfg.c: Update tree_pass descriptors.
1344 * passes.c (current_pass): Update declaration.
1345 (finish_optimization_passes): Update.
1346 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
1347 (register_one_dump_file, register_dump_files_1, next_pass_1):
1349 (init_optimization_passes): Update handling of new types.
1350 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
1351 * ipa-struct-reorg.c: Update tree_pass descriptors.
1352 * tree-ssa-reassoc.c: Update tree_pass descriptors.
1353 * combine-stack-adj.c: Update tree_pass descriptors.
1354 * cfgrtl.c: Update tree_pass descriptors.
1355 * dce.c: Update tree_pass descriptors.
1356 * tree-ssanames.c: Update tree_pass descriptors.
1358 2008-03-19 Richard Guenther <rguenther@suse.de>
1361 * tree-ssa.c (walk_data): New structure.
1362 (warn_uninitialized_var): If not always_executed warn with "maybe"
1364 (execute_early_warn_uninitialized): Compute post-dominators.
1365 Initialize always_executed before processing each basic block.
1367 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
1370 * config/i386/i386.c (x86_this_parameter): Calculate correct location
1371 of "this" pointer when "regparm = N" or "fastcall" is in effect.
1373 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1375 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1377 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
1379 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1381 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1382 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1383 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
1384 target after ignore has been set, and move there also the commputation
1385 of subtarget and original_target.
1386 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1387 (LANG_HOOKS_INITIALIZER): Remove it.
1388 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1390 2008-03-18 Richard Guenther <rguenther@suse.de>
1392 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1393 found an expression with constants, note that in the VN for the lhs.
1394 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1395 fold them to constants if possible. Run cleanup_cfg if done so.
1396 (execute_pre): Return todo.
1398 (execute_fre): Likewise.
1399 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1401 (get_prop_source_stmt): Look through pointer conversions.
1403 2008-03-18 Jan Hubicka <jh@suse.cz>
1405 * tree-pretty-print.c: Include predict.h.
1406 (dump_generic_node): Dump predictor.
1407 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1408 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1409 * gimple-low.c (lower_stmt): Likewise.
1410 * expr.c (expand_expr_real): Likewise.
1411 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1413 (build_predict_expr, build_predict_expr): New.
1414 * predict.h (predictor_name, build_predict_expr): Update.
1415 * c-typeck.c (c_finish_bc_stmt): Add prediction.
1416 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1417 * predict.def (PRED_CONTINUE): Update hitrate.
1418 * tree.def (PREDICT_EXPR): Define.
1419 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1420 do not handle BIND_EXPR.
1421 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1422 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1423 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1426 2008-03-18 Michael Matz <matz@suse.de>
1428 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1430 2008-03-18 Richard Guenther <rguenther@suse.de>
1432 * tree-gimple.h (is_gimple_invariant_address): Declare.
1433 (is_gimple_constant): Likewise.
1434 * tree-gimple.c (is_gimple_constant): New function.
1435 (is_gimple_invariant_address): Likewise.
1436 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1437 and is_gimple_invariant_address.
1438 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1440 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1441 an addressable base.
1443 2008-03-18 Jakub Jelinek <jakub@redhat.com>
1446 * gimplify.c (gimplify_expr): Gimplify second operand of
1449 2008-03-17 Richard Guenther <rguenther@suse.de>
1451 PR tree-optimization/19637
1452 * fold-const.c (fold_unary): Remove restrictions of removing
1453 intermediate pointer-conversions (P2)(P1)P0.
1454 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1455 conversion to void pointer.
1456 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1458 2008-03-16 James E. Wilson <wilson@tuliptree.org>
1461 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1462 emulated thread local variables.
1464 2008-03-16 Richard Guenther <rguenther@suse.de>
1467 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1468 expand TREE_INVARIANT operations that are not gimple invariant.
1470 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
1472 * doc/extend.texi (Alignment): Say that the ABI controls
1473 the __alignof__ for non-strict-alignment targets rather
1474 than being a recommendation.
1476 2008-03-15 Paul Brook <paul@codesourcery.com>
1478 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1480 (arm_output_fn_unwind): Mark functions that can not be unwound.
1482 2008-03-15 Paul Brook <paul@codesourcery.com>
1484 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1485 extension instructions.
1487 2008-03-15 Richard Guenther <rguenther@suse.de>
1489 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1490 and fold constant aggregate refs.
1491 (fold_const_aggregate_ref): Handle string constants
1492 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
1493 (evaluate_stmt): Simplify now that ccp_fold folds constant
1496 2008-03-15 Paul Brook <paul@codesourcery.com>
1498 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1499 (extzv): Use gen_extzv_t2.
1500 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1502 2008-03-15 Richard Guenther <rguenther@suse.de>
1504 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1505 (fold_const_aggregate_ref): Likewise.
1506 (get_value): Return NULL if we don't have any values.
1507 (ccp_finalize): Set const_val to NULL after freeing it.
1508 * tree-flow.h (get_symbol_constant_value): Declare.
1509 (fold_const_aggregate_ref): Likewise.
1510 * tree-ssa-sccvn.c (try_to_simplify): Use them.
1512 2008-03-15 Richard Guenther <rguenther@suse.de>
1515 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1516 to not produce negative array indices if not allowed. Add
1517 parameter to indicate that.
1518 (maybe_fold_offset_to_component_ref): Allow negative array
1519 indices only for the first member of a structure.
1520 (maybe_fold_offset_to_reference): Allow negative array indices.
1521 (maybe_fold_stmt_addition): Likewise.
1523 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
1524 Anatoly Sokolov <aesok@post.ru>
1526 * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1527 (avr_arch): Add ARCH_AVR6.
1528 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1529 (initial_elimination_offset): Initialize and use 'avr_pc_size'
1530 instead of fixed value 2.
1531 (print_operand_address): Use gs() asm specifier instead of pm().
1532 (avr_assemble_integer): (Ditto.).
1533 (avr_output_addr_vec_elt): (Ditto.).
1534 (print_operand): Handle "!" code.
1535 * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
1536 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1537 (AVR_HAVE_EIJMP_EICALL): Define.
1538 (AVR_3_BYTE_PC): Redefine.
1539 (AVR_2_BYTE_PC): (Ditto.).
1540 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1541 (LINK_SPEC): Add atmega2560 and atmega2561.
1542 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
1544 * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
1545 for 3 byte PC devices.
1546 (call_value_insn): (Ditto.).
1547 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1548 (indirect_jump): Use only for for 2 byte PC devices.
1549 (*tablejump): (Ditto.).
1550 (*indirect_jump_avr6): Add insn.
1551 (*tablejump_rjmp): Don't use for 3 byte PC devices.
1552 * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
1553 instead of ijmp for 3 byte PC devices.
1554 (__tablejump2__): (Ditto.).
1555 * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1556 (MULITLIB_DIRNAMES): (Ditto.).
1557 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1559 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
1561 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1562 "sse2_umulsidi3". Use V1DI mode for operand 0.
1563 ("mmx_psadbw"): Use V1DI mode for operand 0.
1564 * config/i386/i386-modes.def (V1SI): New vector mode.
1565 * config/i386/i386.c (struct builtin_description)
1566 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1567 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1568 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1569 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1570 v1di_ftype_v8qi_v8qi type.
1571 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1573 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1574 __builtin_ia32_pmuludq]: Fix the mode of return value.
1576 2008-03-15 Richard Guenther <rguenther@suse.de>
1579 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1582 2008-03-14 Bob Wilson <bob.wilson@acm.org>
1584 * doc/invoke.texi (Option Summary, Xtensa Options): Document
1585 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1586 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1587 unless TARGET_SERIALIZE_VOLATILE is enabled.
1588 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1589 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1590 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1592 2008-03-14 Richard Guenther <rguenther@suse.de>
1594 PR tree-optimization/34172
1595 * tree-flow.h (refs_may_alias_p): Declare.
1596 (get_single_def_stmt): Likewise.
1597 (get_single_def_stmt_from_phi): Likewise.
1598 (get_single_def_stmt_with_phi): Likewise.
1599 * tree-dfa.c (refs_may_alias_p): New function.
1600 (get_single_def_stmt): Likewise.
1601 (get_single_def_stmt_from_phi): Likewise.
1602 (get_single_def_stmt_with_phi): Likewise.
1603 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1604 (vn_reference_lookup_1): New helper function.
1605 (vn_reference_lookup): Walk the virtual use-def chain to
1606 continue searching for a match if the def does not alias the
1607 reference we are looking for.
1609 2008-03-14 David Edelsohn <edelsohn@gnu.org>
1611 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
1612 archive and Perzl. Update The Written Word listing.
1614 2008-03-14 Richard Guenther <rguenther@suse.de>
1616 PR tree-optimization/34043
1617 PR tree-optimization/33989
1618 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1620 (bitmap_find_leader): Use extra argument to verify dominance
1621 relationship inside a basic-block.
1622 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1623 (find_leader_in_sets): Adjust.
1624 (create_component_ref_by_pieces): Take extra argument for
1625 dominance check, handle lookup failures.
1626 (find_or_generate_expression): Likewise.
1627 (create_expression_by_pieces): Likewise.
1628 (insert_into_preds_of_block): Adjust.
1629 (create_value_expr_from): If asked for, verify all operands
1630 are in the blocks AVAIL_OUT set.
1631 (make_values_for_stmt): Check for SSA_NAMEs that are life
1632 over an abnormal edge.
1633 (compute_avail): Remove such check.
1634 (do_SCCVN_insertion): New function.
1635 (eliminate): If we do not find a leader suitable for replacement
1636 insert a replacement expression from SCCVN if available.
1637 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1638 (struct vn_ssa_aux): Add needs_insertion flag.
1639 * tree-ssa-sccvn.c (may_insert): New global flag.
1640 (copy_reference_ops_from_ref): Value-number union member access
1641 based on its size, not type and member if insertion is allowed.
1642 (visit_reference_op_load): For a weak match from union type
1643 punning lookup a view-converted value and insert a SSA_NAME
1644 for that value if that is not found.
1645 (visit_use): Make dumps shorter. Do not disallow value numbering
1646 SSA_NAMEs that are life over an abnormal edge to constants.
1647 (free_scc_vn): Release inserted SSA_NAMEs.
1648 (run_scc_vn): New flag to specify whether insertion is allowed.
1649 Process SSA_NAMEs in forward order.
1650 * tree-ssa-loop-im.c (for_each_index): Handle invariant
1651 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
1652 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
1653 pointer type to/from integral types that do not change the
1654 precision to regular conversions.
1656 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
1658 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1659 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1660 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
1661 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
1662 input arguments and the mode of return value. Built-in functions
1663 that operate on whole 64-bit MMX register now use V1DI mode.
1665 2008-03-13 Alon Dayan <alond@il.ibm.com>
1666 Olga Golovanevsky <olga@il.ibm.com>
1668 PR tree-optimization/35041
1669 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
1670 to locate the right position in a statement.
1672 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
1676 * config/i386/xmmintrin.h: Change all static inline functions to
1677 extern inline and add __gnu_inline__ attribute.
1678 * config/i386/bmintrin.h: Ditto.
1679 * config/i386/smmintrin.h: Ditto.
1680 * config/i386/tmmintrin.h: Ditto.
1681 * config/i386/mmintrin-common.h: Ditto.
1682 * config/i386/ammintrin.h: Ditto.
1683 * config/i386/emmintrin.h: Ditto.
1684 * config/i386/pmmintrin.h: Ditto.
1685 * config/i386/mmintrin.h: Ditto.
1686 * config/i386/mm3dnow.h: Ditto.
1688 2008-03-13 Jakub Jelinek <jakub@redhat.com>
1691 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
1692 (lower_omp_2): New function.
1693 (lower_omp_1, lower_omp): Rewritten.
1695 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
1698 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
1699 with the phrase "Microsoft Windows compilers".
1700 (Push/Pop Macro Pragmas): New subsection. Document
1701 #pragma push_macro and pragma pop_macro.
1703 2008-03-12 Paul Brook <paul@codesourcery.com>
1705 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
1707 2008-03-12 Paul Brook <paul@codesourcery.com>
1709 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
1710 (thumb2_alusi3_short): Exclude PLUS and MINUS.
1711 (thumb2_addsi_shortim): Rename ...
1712 (thumb2_addsi_short): ... to this. Allow register operands.
1713 (thumb2_subsi_short): New pattern.
1714 (thumb2_one_cmplsi2_short,
1715 thumb2_negsi2_short): New patterns and peepholes.
1717 2008-03-12 Paul Brook <paul@codesourcery.com>
1719 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
1721 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
1723 * config/i386/i386.md (int_cond): New code iterator.
1725 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
1726 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
1727 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
1728 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
1729 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1730 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1731 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1732 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1734 2008-03-12 Paul Brook <paul@codesourcery.com>
1736 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1737 instead of {arm,thumb}_compute_save_reg_mask.
1738 (output_return_instruction): Ditto.
1739 (thumb_unexpanded_epilogue): Ditto.
1740 (thumb1_expand_prologue): Ditto.
1741 (thumb1_output_function_prologue): Ditto.
1742 (arm_set_return_address): Ditto.
1743 (thumb_set_return_address): Ditto.
1744 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
1745 regs to achieve stack alignment.
1746 (thumb1_compute_save_reg_mask): Fix compiler warning.
1747 (arm_output_epilogue): Use offsets->saved_regs_mask.
1748 Adjust stack pointer by poping call clobered registers.
1749 (arm_expand_prologue): Use offsets->saved_regs_mask.
1750 Adjust stack pointer by pushing extra registers.
1751 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1753 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
1756 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1757 conversion to the operands of a multiplication.
1759 2008-03-12 Richard Guenther <rguenther@suse.de>
1761 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1762 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1763 * timevar.def (TV_TREE_PHIPROP): Add.
1764 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1765 pass description. Use TV_TREE_PHIPROP.
1766 * tree-ssa-forwprop.c: Remove phiprop code.
1768 2008-03-12 Jakub Jelinek <jakub@redhat.com>
1771 * omp-low.c (maybe_lookup_decl): Constify first argument.
1772 (use_pointer_for_field): Change last argument from bool to
1773 omp_context *. Disallow shared copy-in/out in nested
1774 parallel if decl is shared in outer parallel too.
1775 (build_outer_var_ref, scan_sharing_clauses,
1776 lower_rec_input_clauses, lower_copyprivate_clauses,
1777 lower_send_clauses, lower_send_shared_vars): Adjust callers.
1779 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
1780 Ira Rosen <irar@il.ibm.com>
1782 * tree-vectorizer.c (free_stmt_vec_info): New function.
1783 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1784 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1785 * tree-vectorizer.h (free_stmt_vec_info): Declare.
1786 * tree-vect-transform.c (vectorizable_conversion): Free
1787 vec_oprnds0 if it was allocated.
1788 (vect_permute_store_chain): Remove unused VECs.
1789 (vectorizable_store): Free VECs that are allocated in the..
1791 (vect_transform_strided_load, vectorizable_load): Likewise.
1792 (vect_remove_stores): Simplify the code.
1793 (vect_transform_loop): Move code to vect_remove_stores().
1794 Call vect_remove_stores() and free_stmt_vec_info().
1796 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1798 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1799 TARGET_HPUX. Revise comment.
1800 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1801 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1802 Use sr4 variant of `be' instruction when not generating PIC code.
1803 (attr_length_call): Adjust for above change.
1805 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1807 * ipa-reference.c (static_execute): Remove module_statics_const and
1808 associated setting code.
1810 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
1813 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1814 predicate for operand 1.
1815 (paritysi2_cmp): Use register_operand predicate for operand 2.
1816 Use earlyclobber modifier for operand 1. Remove support for
1818 (paritydi2_cmp): Use register_operand predicate for operand 3.
1819 Use earlyclobber modifier for operand 1. Remove support for
1822 2008-03-11 Paul Brook <paul@codesourcery.com>
1823 Vladimir Prus <vladimir@codesourcery.com>
1825 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1826 (arm_compute_save_reg0_reg12_mask): Always
1827 check if register 11 must be saved. Always safe hard frame pointer
1828 when frame_pointer_needeed.
1829 (arm_compute_save_reg_mask): Save IP and PC
1830 only with apcs frames.
1831 (arm_output_epilogue): Adjust Thumb2 codepath to
1832 be also invoked and work for ARM non-apcs frames.
1833 (arm_expand_prologue): Don't bother saving IP
1834 for non-apcs frame, since it's not clobbered by
1835 prologue code. Implement non-apcs frame
1838 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
1840 PR rtl-optimization/35281
1841 * expr.c (convert_move): Use a new pseudo for the intermediate
1842 from_mode->word_mode result.
1844 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
1846 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
1847 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
1848 * toplev.c (compile_file): Don't call it.
1850 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
1853 * expr.c (store_expr): Call emit_block_move if the mode
1854 of "temp" RTX is BLKmode.
1856 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1857 Richard Guenther <rguenther@suse.de>
1859 PR tree-optimization/31358
1860 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1861 the step with a NULL_TREE.
1862 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1863 to sizetype if type is a pointer type.
1864 (add_candidate_1): Don't convert the base and step to
1865 the generic type if the orginal type is a pointer type.
1866 (add_iv_value_candidates): Use sizetype for the step
1867 if type is a pointer type.
1868 (cand_value_at): Likewise.
1869 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1871 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
1872 Don't convert the tem affine to the type.
1873 (add_elt_to_tree): Use sizetype for the step if a pointer.
1874 Use POINTER_PLUS_EXPR for pointers.
1875 (aff_combination_to_tree): Use sizetype for the step if a
1878 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
1880 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
1881 Remove commutativity hint.
1883 2008-03-10 Jakub Jelinek <jakub@redhat.com>
1887 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
1888 errorneous type. Check that v is a VAR_DECL.
1891 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
1893 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
1895 PR tree-optimization/35494
1896 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
1897 may be overriden at link and run time.
1899 2008-03-10 Richard Guenther <rguenther@suse.de>
1901 PR tree-optimization/34677
1902 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
1903 (poolify_tree): Likewise.
1904 (modify_expr_template): Likewise.
1905 (poolify_modify_stmt): Likewise.
1906 (insert_fake_stores): Handle all component-ref style stores
1907 in addition to INDIRECT_REF. Also handle complex types.
1908 Do not poolify the inserted load.
1909 (realify_fake_stores): Do not rebuild the tree but only
1910 make it a SSA_NAME copy.
1911 (init_pre): Remove initialzation of modify_expr_template.
1912 Do not allocate modify_expr_node_pool.
1913 (fini_pre): Do not free modify_expr_node_pool.
1915 2008-03-10 Paul Brook <paul@codesourcery.com>
1917 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
1920 2008-03-10 Paul Brook <paul@codesourcery.com>
1921 Mark Shinwell <shinwell@codesourcery.com>
1923 * config/arm/cortex-r4.md: New.
1924 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
1926 * config/arm/arm.md: Include cortex-r4.md.
1927 (insn): Add smmls, sdiv and udiv values.
1928 (generic_sched): Don't use generic scheduling for Cortex-R4.
1929 (arm_issue_rate): New function.
1930 (TARGET_SCHED_ISSUE_RATE): Define.
1932 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
1934 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
1936 2008-03-10 Richard Guenther <rguenther@suse.de>
1938 * tree-ssa-pre.c (get_sccvn_value): Simplify.
1939 (compute_avail): Do not add stmt uses to AVAIL_OUT.
1941 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
1943 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1944 Set default to true.
1946 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1948 * c.opt (Wsynth): Deprecate.
1949 * doc/invoke.texi (Option Summary, Warning Options): Document
1950 -Wno-format-contains-nul.
1952 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
1955 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
1956 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
1958 2008-03-09 Ira Rosen <irar@il.ibm.com>
1960 * config/rs6000/rs6000.c (builtin_description): Rename vector
1961 left shift operations.
1962 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
1963 (altivec_vsl<VI_char>): Rename to ...
1964 (ashl<mode>3): ... new name.
1965 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
1967 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
1969 2008-03-08 Richard Guenther <rguenther@suse.de>
1971 * coverage.h (tree_coverage_counter_addr): Declare.
1972 * coverage.c (tree_coverage_counter_addr): New function.
1973 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
1975 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
1976 (tree_gen_one_value_profiler): Likewise.
1977 (tree_gen_ic_profiler): Likewise.
1978 (tree_gen_average_profiler): Likewise.
1979 (tree_gen_ior_profiler): Likewise.
1981 2008-03-08 Richard Guenther <rguenther@suse.de>
1983 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
1984 (vn_binary_op_insert): Likewise.
1985 (vn_unary_op_lookup): Likewise.
1986 (vn_unary_op_insert): Likewise.
1987 (vn_nary_op_lookup): Declare.
1988 (vn_nary_op_insert): Likewise.
1989 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
1990 and binary hashes, use a single obstack for unary_op_pool
1992 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
1993 a single struct vn_nary_op_s. Store tree code length and
1994 a variable number of operands.
1995 (struct vn_reference_op_struct): Remove unused op2.
1996 (vn_reference_op_eq): Do not compare op2.
1997 (vn_reference_op_compute_hash): Do not compute hash of op2.
1998 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
1999 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
2000 with vn_nary_op_compute_hash.
2001 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
2002 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
2004 (vn_unary_op_insert, vn_binary_op_insert): Replace with
2006 (visit_unary_op): Call nary functions.
2007 (visit_binary_op): Likewise.
2008 (process_scc): Adjust for struct vn_tables_s changes.
2009 (allocate_vn_table): Likewise.
2010 (free_vn_table): Likewise.
2011 * tree-vn.c (vn_add): Call nary functions.
2012 (vn_lookup): Likewise.
2014 2008-03-08 Jakub Jelinek <jakub@redhat.com>
2017 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
2018 wdst back after sync_compare_and_swapqhi_internal.
2020 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
2023 * config/i386/i386-modes.def (V1DI): New vector mode.
2024 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
2025 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
2026 (MMXMODE248): Ditto.
2027 (MMXMODE): Add V1DI mode.
2028 (mmxvecsize): Change DI mode to V1DI mode.
2029 ("mov<mode>): Use MMXMODEI8 mode iterator.
2030 ("*mov<mode>_internal_rex64"): Ditto.
2031 ("*mov<mode>_internal"): Ditto.
2032 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
2033 ("mmx_sub<mode>3"): Ditto.
2034 ("mmx_adddi3"): Remove insn pattern.
2035 ("mmx_subdi3"): Ditto.
2036 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
2037 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
2038 ("mmx_ashl<mode>3"): Ditto.
2039 ("mmx_lshrdi3"): Remove insn pattern.
2040 ("mmx_ashldi3"): Ditto.
2041 * config/i386/i386.c (classify_argument): Handle V1DImode.
2042 (function_arg_advance_32): Ditto.
2043 (function_arg_32): Ditto.
2044 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
2045 mmx_addv1di3 insn pattern.
2046 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
2047 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
2048 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
2049 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
2050 Remove definitions of built-in functions.
2051 (V1DI_type_node): New node.
2052 (v1di_ftype_v1di_int): Ditto.
2053 (v1di_ftype_v1di_v1di): Ditto.
2054 (v2si_ftype_v2si_si): Ditto.
2055 (v4hi_ftype_v4hi_di): Remove node.
2056 (v2si_ftype_v2si_di): Ditto.
2057 (ix86_init_mmx_sse_builtins): Handle V1DImode.
2058 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
2059 Redefine builtins using def_builtin_const with *_ftype_*_int node.
2060 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
2061 Add new builtins using def_builtin_const.
2062 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
2063 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
2064 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
2065 * config/i386/mmintrin.h (__v1di): New typedef.
2066 (_mm_add_si64): Cast arguments to __v1di type.
2067 (_mm_sub_si64): Ditto.
2068 (_mm_sll_pi16): Cast __count to __v4hi type.
2069 (_mm_sll_pi32): Cast __count to __v2si type.
2070 (_mm_sll_si64): Cast arguments to __v1di type.
2071 (_mm_srl_pi16): Cast __count to __v4hi type.
2072 (_mm_srl_pi32): Cast __count to __v2si type.
2073 (_mm_srl_si64): Cast arguments to __v1di type.
2074 (_mm_sra_pi16): Cast __count to __v4hi type.
2075 (_mm_sra_pi32): Cast __count to __v2si type.
2076 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
2077 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
2078 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
2079 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
2080 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
2081 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
2082 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
2083 (_mm_srai_pi32): Use __builtin_ia32_psradi.
2084 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
2085 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2086 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2087 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
2089 2008-03-07 Joseph Myers <joseph@codesourcery.com>
2091 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
2093 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
2096 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
2097 reg+const addressing for Altivec modes. Don't generate reg+reg
2098 addressing for TFmode or TDmode quantities.
2100 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
2102 * c-common.c (vector_types_convertible_p): Call langhook
2103 instead of comptypes.
2105 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2108 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
2109 integral and scalar float variables which have a
2112 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
2114 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
2115 dwarf_register_span hook when emitting unwind information for
2116 register-to-memory saves.
2117 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
2118 (rs6000_frame_related): Remove call to spe_synthesize_frame.
2120 2008-03-06 Jakub Jelinek <jakub@redhat.com>
2122 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
2123 for the same VAR_DECL.
2125 2008-03-06 Tom Tromey <tromey@redhat.com>
2128 * doc/standards.texi (Standards): Don't mention treelang.
2129 * doc/invoke.texi (Overall Options): Don't mention treelang.
2130 * doc/install.texi (Prerequisites): Don't mention bison or
2132 (Configuration): Don't mention treelang.
2133 (Building): Likewise.
2134 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
2136 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
2138 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
2139 word-extractions out of a multi-word object.
2141 2008-03-06 Richard Guenther <rguenther@suse.de>
2143 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
2144 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
2145 result type and precision.
2146 * expr.c (get_inner_reference): Set unsignedp based on the result
2147 type of BIT_FIELD_REF.
2148 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
2149 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
2150 (try_instantiate_multiple_fields): Likewise. Use the correct type
2152 (sra_build_assignment): Likewise.
2153 (sra_build_elt_assignment): Likewise.
2154 (sra_explode_bitfield_assignment): Likewise.
2155 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
2156 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
2157 set BIT_FIELD_REF_UNSIGNED.
2158 (vectorizable_load): Likewise.
2160 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
2162 * cse.c (cse_extended_basic_block): Invalidate artificial defs
2165 2008-03-06 Richard Guenther <rguenther@suse.de>
2167 * alias.c (struct alias_set_entry): Move has_zero_child field
2168 to pack with alias_set.
2170 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
2172 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2175 2008-03-05 Ian Lance Taylor <iant@google.com>
2177 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
2179 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
2181 * fwprop.c (update_df): Support width and offset parameters of
2183 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
2184 global_conflicts): Change DF_REF_EXTRACT to either
2185 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
2186 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2187 * df-scan.c (df_ref_record, df_defs_record,
2188 df_ref_create_structure, df_def_record_1, df_uses_record,
2189 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
2190 df_bb_refs_collect, df_entry_block_defs_collect,
2191 df_exit_block_uses_collect): Support new width and offset fields.
2192 (ref_extract_pool): New storage pool.
2193 (df_free_ref): New function.
2194 (df_reg_chain_unlink, df_free_collection_rec,
2195 df_sort_and_compress_refs): Call df_free_ref.
2196 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
2198 (df_ref_create_structure): Allocate df_ref_extract if offset and
2199 width fields are used.
2200 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
2201 (df_uses_record): Get offset and width from ZERO_EXTRACT
2203 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
2204 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
2205 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2206 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
2207 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
2208 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2209 (df_ref_extract): New structure.
2210 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
2211 (df_ref_create): Add width and offset parameters.
2213 2008-03-05 Richard Guenther <rguenther@suse.de>
2215 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2216 Use ranges_overlap_p.
2217 (offset_overlaps_with_access): Rename
2218 to ranges_overlap_p and move ...
2219 * tree-flow-inline.h (ranges_overlap_p): ... here.
2221 * tree.h (get_inner_reference, handled_component_p): Update
2224 * tree.h (record_component_aliases, get_alias_set,
2225 alias_sets_conflict_p, alias_sets_must_conflict_p,
2226 objects_must_conflict_p): Move declarations ...
2227 * alias.h (record_component_aliases, get_alias_set,
2228 alias_sets_conflict_p, alias_sets_must_conflict_p,
2229 objects_must_conflict_p): ... here.
2230 Include coretypes.h.
2231 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
2233 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
2235 * cfg.c: Include tree-flow.h.
2236 (remove_edge_raw): Call redirect_edge_var_map_clear.
2237 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
2238 * tree-flow-inline.h (redirect_edge_var_map_def): New.
2239 (redirect_edge_var_map_result): New.
2240 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
2241 PENDING_STMT use with redirect_edge_var_map_*.
2242 * tree-ssa.c (edge_var_maps): New definition.
2243 (redirect_edge_var_map_add): New.
2244 (redirect_edge_var_map_clear): New.
2245 (redirect_edge_var_map_dup): New.
2246 (redirect_edge_var_map_vector): New.
2247 (redirect_edge_var_map_destroy): New.
2248 (ssa_redirect_edge): Replace PENDING_STMT use with
2249 redirect_edge_var_map_*.
2250 (flush_pending_stmts): Same.
2251 (delete_tree_ssa): Destroy edge var map.
2252 * tree-flow.h (struct _edge_var_map): New.
2253 Define edge_var_map vector type.
2254 Declare redirect_edge_var_map_* prototypes.
2255 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2256 * tree-cfg.c (reinstall_phi_args): Replace
2257 PENDING_STMT use with redirect_edge_var_map_*.
2259 2008-03-05 Richard Guenther <rguenther@suse.de>
2261 PR tree-optimization/35472
2262 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
2263 whose single use_stmt has a overlapping set of loaded and
2264 stored symbols as that use_stmt might be a noop assignment then.
2266 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2268 * gthr-rtems.h: Implement __gthread_mutex_destroy.
2270 2008-03-05 Richard Guenther <rguenther@suse.de>
2273 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
2274 should be constants.
2275 * tree-cfg.c (verify_expr): Verify it.
2276 * fold-const.c (fold_truthop): Remove code generating
2277 BIT_FIELD_REFs of structure bases.
2278 (fold_binary): Likewise.
2279 (fold_ternary): Position and size of BIT_FIELD_REFs are
2280 always host integers.
2281 (make_bit_field_ref): Remove.
2282 (optimize_bit_field_compare): Remove.
2283 (all_ones_mask_p): Remove.
2285 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
2288 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
2289 (split_block_and_df_analyze): New. Split basic block and rebuild
2291 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
2293 (split_pattern_seq): Likewise.
2294 (erase_matching_seqs): Likewise.
2295 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
2297 2008-03-04 Geoff Keating <geoffk@apple.com>
2299 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
2300 declaration and code.
2301 (tree_invalid_nonnegative_warnv_p): Likewise.
2303 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2305 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
2306 examples. Truncate option-names then causing overfull hbox.
2308 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2311 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2313 * configure: Rebuilt.
2315 2008-03-04 Rafael Espindola <espindola@google.com>
2317 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2318 (tree_unary_nonnegative_warnv_p): New.
2319 (tree_binary_nonnegative_warnv_p): New.
2320 (tree_single_nonnegative_warnv_p): New.
2321 (tree_invalid_nonnegative_warnv_p): New.
2322 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2324 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2327 * opts.c (handle_option): Postpone 'unknown option' errors only for
2330 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
2333 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2336 2008-03-04 Rafael Espindola <espindola@google.com>
2338 * fold-const.c (tree_unary_nonzero_warnv_p): New.
2339 (tree_binary_nonzero_warnv_p): New.
2340 (tree_single_nonzero_warnv_p): New.
2341 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
2343 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
2346 * fold-const.c (fold_cond_expr_with_comparison): Prevent
2347 transformations for modes that have signed zeros.
2348 * ifcvt.c (noce_try_abs): Ditto.
2350 2008-03-04 Joseph Myers <joseph@codesourcery.com>
2352 * config/i386/i386.c (override_options): Force
2353 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
2355 2008-03-04 Jan Hubicka <jh@suse.cz>
2358 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2361 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
2363 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
2364 label to probe the stack.
2366 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
2368 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2369 (__gthr_win32_mutex_destroy): Declare.
2370 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2371 __gthr_win32_mutex_destroy.
2372 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
2374 2008-03-03 Jan Hubicka <jh@suse.cz>
2377 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2378 aggressive on inlining cold calls.
2380 2008-03-03 Richard Guenther <rguenther@suse.de>
2382 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2383 struct copies into the expression table.
2384 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2385 (try_to_simplify): Likewise.
2386 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2387 integral and pointer arguments which do not change the
2388 precision to NOP_EXPRs.
2389 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2390 VIEW_CONVERT_EXPR case.
2392 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
2394 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2395 defined in a loop at depth 0 is invariant.
2396 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2397 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2398 be called at loop depth 0.
2400 2008-03-02 Jakub Jelinek <jakub@redhat.com>
2403 * gcc.c (process_command): Update copyright notice dates.
2404 * gcov.c (print_version): Likewise.
2405 * gcov-dump.c (print_version): Likewise.
2406 * mips-tfile.c (main): Likewise.
2407 * mips-tdump.c (main): Likewise.
2409 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2412 * c-common.c (flag_permissive): Delete.
2413 (constant_expression_warnings): Check flags first.
2414 (constant_expression_error): New.
2415 * c-common.h (flag_permissive): Delete.
2416 (constant_expression_error): Declare.
2417 * flags.h (flag_permissive): Declare. Update description.
2418 * diagnostic.c (pedwarn): Update.
2420 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2421 (permissive_error_kind): New.
2422 * toplev.c (flag_permissive): Define. Update description.
2423 * toplev.h (permissive_error_kind): Declare.
2424 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2425 (pedwarn_c90): Use pedantic_warning_kind.
2426 * c-opts.c (c_common_post_options): flag_permissive does not affect
2427 flag_pedantic_errors.
2429 2008-03-02 Joseph Myers <joseph@codesourcery.com>
2431 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2432 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2433 __absvsi2, __absvDI2): Use unsigned arithmetic.
2435 2008-03-02 Andi Kleen <ak@suse.de>
2436 Richard Guenther <rguenther@suse.de>
2438 * struct-equiv.c: Remove file.
2439 * cfg_cleanup.c (condjump_equiv_p): Remove.
2440 * Makefile.in (OBJS-common): Remove struct-equiv.o.
2441 (struct-equiv.o): Remove rule.
2442 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2443 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
2444 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2446 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
2448 * ifcvt.c (noce_process_if_block): Try to handle only the then
2449 block if the else block exists but isn't suitable.
2451 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
2454 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2455 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2456 regression from previous patch.
2458 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
2461 * gthr.h: Add __gthread_mutex_destroy as a function that must be
2463 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2464 * gthr-single.h (__gthread_mutex_destroy): Likewise.
2465 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2466 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2467 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2468 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2469 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2470 (__gthread_mutex_destroy_function): Rename to
2471 __gthread_mutex_destroy.
2472 * gthr-dce.h (__gthread_mutex_destroy): Call
2473 pthread_mutex_destroy.
2474 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2475 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2476 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2478 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
2480 * df-scan.c (df_ref_chain_change_bb): Simplify.
2481 (df_insn_change_bb): Add new_bb argument. Simplify. Call
2482 set_block_for_insn if there's any change.
2483 * df.h ((df_insn_change_bb): Fix prototype.
2484 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2485 df_insn_change_bb, don't call set_block_for_insn.
2486 * emit-rtl.c (reorder_insns): Likewise.
2487 * haifa-sched.c (move_insn): Likewise.
2489 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
2491 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2493 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
2495 * tree-flow-inline.h (next_readonly_imm_use): Return
2496 NULL_USE_OPERAND_P after the end.
2498 2008-03-01 Richard Guenther <rguenther@suse.de>
2500 PR tree-optimization/35411
2501 * tree-sra.c (sra_build_assignment): Split conversion to
2502 final type to a separate statement if we are not assigning
2505 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2507 * fold-const.c (fold_convertible_p): Correct the logic to follow
2508 that in fold_convert().
2510 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
2513 * tree-inline.c (build_duplicate_type): When we make a
2514 duplicate type, make it unique in the canonical types system.
2516 2008-02-29 Tom Tromey <tromey@redhat.com>
2518 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2519 input_file_stack_history, input_file_stack_restored): Remove.
2520 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2521 * input.h (struct file_stack): Remove.
2522 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2523 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2525 * diagnostic.h (struct diagnostic_context) <last_module>: Change
2527 (diagnostic_last_module_changed): Add 'map' argument.
2528 (diagnostic_set_last_function): Likewise.
2529 * diagnostic.c (undiagnostic_report_current_module): Iterate using
2530 line map, not input_file_stack.
2531 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2533 2008-02-29 Paul Brook <paul@codesourcery.com>
2535 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2537 2008-02-29 Paul Brook <paul@codesourcery.com>
2539 * config/arm/ieee754-df.S (muldf3): Use RET macros.
2541 2008-02-29 Richard Guenther <rguenther@suse.de>
2543 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2545 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2546 value for comparing for a store match.
2547 (simplify_unary_expression): Do nothing for SSA_NAMEs.
2548 (try_to_simplify): Do not do a full-blown reference lookup.
2550 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
2552 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2553 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2555 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2557 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
2559 * tree-loop-linear.c (try_interchange_loops): Compare memory access
2560 strides against cache sizes.
2562 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
2564 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2567 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
2569 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2570 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2571 is smaller than the original promoted value.
2572 (simplify_subreg): If OP is a SUBREG, try to preserve its
2573 SUBREG_PROMOTED_VAR_P information.
2575 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
2577 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2578 (VN_INFO_GET): Allocate new objects on the obstack.
2579 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
2580 for rpo_numbers_temp, for consistency.
2581 (free_scc_vn): Free the obstack.
2583 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
2585 * doc/invoke.texi: Document -ftree-loop-distribution.
2586 * tree-loop-distribution.c: New.
2587 * tree-pass.h (pass_loop_distribution): New.
2588 * graphds.h (struct graph): Add htab_t indices.
2589 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2590 * tree-vectorizer.c (rename_variables_in_loop): Extern.
2591 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2592 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2593 * tree-data-ref.c (debug_data_dependence_relations): New.
2594 (dump_data_dependence_relation): Also print data references.
2595 (free_data_ref): Extern.
2596 (same_access_functions): Moved...
2597 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2598 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2599 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2600 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2601 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2602 (stmts_from_loop): Skip LABEL_EXPR.
2603 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2605 (build_rdg): Initialize rdg->indices htab.
2606 (free_rdg, stores_from_loop, ref_base_address,
2607 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2608 have_similar_memory_accesses_1, ref_base_address_1,
2609 remove_similar_memory_refs): New.
2610 * tree-data-ref.h: Depend on tree-chrec.h.
2611 (debug_data_dependence_relations, free_data_ref): Declared.
2612 (same_access_functions): ... here.
2613 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2615 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2616 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2617 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2618 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2619 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2620 rdg_vertex_for_stmt): Declared.
2621 (struct rdg_edge): Add level.
2623 (free_rdg, stores_from_loop, remove_similar_memory_refs,
2624 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2626 (rdg_has_similar_memory_accesses): New.
2627 * tree-vect-analyze.c: Remove unused static decls.
2628 * lambda.h (dependence_level): New.
2629 * common.opt (ftree-loop-distribution): New.
2630 * tree-flow.h (mark_virtual_ops_in_bb,
2631 slpeel_tree_duplicate_loop_to_edge_cfg,
2632 rename_variables_in_loop): Declared.
2633 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2634 (OBJS-common): Add tree-loop-distribution.o.
2635 (tree-loop-distribution.o): New rule.
2636 * tree-cfg.c (mark_virtual_ops_in_bb): New.
2637 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2638 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2640 2008-02-28 Joseph Myers <joseph@codesourcery.com>
2643 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
2644 other than structures and unions.
2646 2008-02-28 Richard Guenther <rguenther@suse.de>
2649 2008-02-26 Richard Guenther <rguenther@suse.de>
2651 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2652 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2653 (lookup_decl_from_uid): Declare.
2654 (remove_decl_from_map): Likewise.
2655 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2656 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2657 (decl_for_uid_map): New global hashtable mapping DECL_UID
2659 (init_ttree): Allocate it.
2660 (insert_decl_to_uid_decl_map): New helper function.
2661 (make_node_stat): Insert new decls into the map.
2662 (copy_node_stat): Likewise.
2663 (lookup_decl_from_uid): New function.
2664 (remove_decl_from_map): Likewise.
2665 (print_decl_for_uid_map_statistics): New helper.
2666 (dump_tree_statistics): Call it.
2668 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2669 (referenced_var_iterator): Adjust.
2670 (FOR_EACH_REFERENCED_VAR): Adjust.
2671 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2672 (num_referenced_vars): Adjust.
2673 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2674 (first_referenced_var): Remove.
2675 (end_referenced_vars_p): Likewise.
2676 (next_referenced_var): Likewise.
2677 (referenced_var_iterator_set): New helper function.
2678 * tree-dfa.c (referenced_var_lookup): Adjust.
2679 (referenced_var_check_and_insert): Likewise.
2680 (remove_referenced_var): Likewise.
2681 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2682 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2683 (verify_call_clobbering): Likewise.
2684 (verify_memory_partitions): Likewise.
2685 (init_tree_ssa): Allocate bitmap instead of hashtable for
2687 (delete_tree_ssa): Adjust.
2688 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2689 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2690 (compute_tag_properties): Likewise.
2691 (set_initial_properties): Likewise.
2692 (find_partition_for): Likewise.
2693 (update_reference_counts): Likewise.
2694 (dump_may_aliases_for): Likewise.
2695 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2696 (add_call_clobber_ops): Likewise.
2697 (add_call_read_ops): Likewise.
2698 (get_asm_expr_operands): Likewise.
2699 * tree-into-ssa.c (dump_decl_set): Likewise.
2700 (update_ssa): Likewise.
2701 * tree-sra.c (scan_function): Likewise.
2702 (decide_instantiations): Likewise.
2703 (scalarize_parms): Likewise.
2704 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2705 (dsa_named_for): Likewise.
2706 * tree-ssa-structalias.c (update_alias_info): Likewise.
2707 (merge_smts_into): Likewise.
2709 2008-02-27 David Daney <ddaney@avtrex.com>
2712 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
2713 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
2714 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
2715 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
2716 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
2718 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
2721 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
2722 (BUILT_IN_NEXTTOWARD): Remove.
2723 (BUILT_IN_NEXTTOWARDF): Ditto.
2724 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
2725 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
2727 2008-02-27 Tom Tromey <tromey@redhat.com>
2729 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2730 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2732 2008-02-27 Jan Beulich <jbeulich@novell.com>
2734 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2735 update the respective field on newdecl.
2737 2008-02-27 Revital Eres <eres@il.ibm.com>
2739 PR rtl-optimization/34999
2740 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2741 crossing edges that ends with a call insn.
2742 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2743 call insn and clear the EDGE_CROSSING flag of the crossing edge
2744 when fixing fallthru edges.
2746 2008-02-27 Richard Guenther <rguenther@suse.de>
2749 * fold-const.c (fold_unary): Return the correct argument,
2750 converted to the result type.
2752 2008-02-27 Richard Guenther <rguenther@suse.de>
2755 * expr.c (expand_expr_real_1): Assert on rotates that operate
2757 * fold-const.c (fold_binary): Use the types precision, not the
2758 bitsize of the mode if folding rotate expressions. Build rotates
2759 only for full modes.
2761 2008-02-27 Jakub Jelinek <jakub@redhat.com>
2763 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2765 * c-pragma.c (pragma_ns_name): New typedef.
2766 (registered_pp_pragmas): New variable.
2767 (c_pp_lookup_pragma): New function.
2768 (c_register_pragma_1): If flag_preprocess_only, do nothing
2769 for non-expanded pragmas, for expanded ones push pragma's
2770 namespace and name into registered_pp_pragmas vector.
2771 (c_invoke_pragma_handler): Register OpenMP pragmas even when
2772 flag_preprocess_only, don't register GCC pch_preprocess
2773 pragma if flag_preprocess_only.
2774 * c-opts.c (c_common_init): Call init_pragma even if
2775 flag_preprocess_only.
2776 * c-pragma.c (c_pp_lookup_pragma): New prototype.
2777 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2778 cpp_register_pragma if flag_preprocess_only.
2780 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2783 * c-parser.c (c_parser_translation_unit): Warn for empty
2784 translation unit, not empty source file.
2786 2008-02-26 Paul Brook <paul@codesourcery.com>
2788 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2789 operand for Thumb-2.
2790 * config/arm/arm.h (reg_class): Add CORE_REGS.
2791 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2792 (BASE_REG_CLASS): Use CORE_REGS.
2793 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2794 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2795 (REGNO_OK_FOR_INDEX_P): Exclude SP.
2796 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
2797 ARM_REGNO_OK_FOR_INDEX_P.
2798 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2799 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2800 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2801 (ldm/stm peepholes): Ditto.
2802 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2803 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2804 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2805 * config/arm/constraints.md: Enable "k" constraint on ARM.
2807 2008-02-27 Ben Elliston <bje@au.ibm.com>
2809 * config/rs6000/rs6000.c: Annotate cache line size field in all
2810 instances of struct processor_costs.
2812 2008-02-26 David Edelsohn <edelsohn@gnu.org>
2814 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2815 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2816 jump_bypass): New counters.
2817 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2818 * dce.c (gate_ud_dce): Same.
2819 (gate_fast_dce): Same.
2820 * dse.c (gate_dse1): New function.
2821 (gate_dse2): New function.
2822 (gate_dse): Merge results of new gate functions.
2823 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2824 (gate_handle_jump_bypass): Add dbg_cnt.
2825 (gate_handle_gcse): Add dbg_cnt.
2826 * ifcvt.c (gate_handle_if_conversion): Same.
2827 (gate_handle_if_after_combine): Same.
2828 (gate_handle_if_after_reload): Same.
2829 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2831 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
2833 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2835 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
2837 2008-02-26 Jason Merrill <jason@redhat.com>
2840 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
2841 alone if it's the naming decl for the type's main variant.
2843 2008-02-26 Tom Tromey <tromey@redhat.com>
2845 * system.h (USE_MAPPED_LOCATION): Poison.
2846 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
2847 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
2848 (make_goto_expr_edges): Likewise.
2849 (remove_bb): Likewise.
2850 (execute_warn_function_return): Likewise.
2851 * basic-block.h (struct edge_def) <goto_locus>: Change type to
2853 * c-common.c (fname_decl): Remove old location code.
2854 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2856 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2858 (ASM_INPUT_SOURCE_LOCATION): Likewise.
2859 (gen_rtx_ASM_INPUT): Likewise.
2860 (gen_rtx_ASM_INPUT_loc): Likewise.
2861 (get_rtx_asm_OPERANDS): Remove.
2862 * cfglayout.c (insn_locators_alloc): Remove old location code.
2863 (set_curr_insn_source_location): Likewise.
2864 (curr_insn_locator): Likewise.
2865 * print-tree.c (print_node): Remove old location code.
2866 * tree-mudflap.c (mf_varname_tree): Remove old location code.
2867 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2868 * cfgexpand.c (expand_gimple_cond_expr): Don't use
2869 location_from_locus.
2870 (construct_exit_block): Remove old location code.
2871 * emit-rtl.c (force_next_line_note): Remove old location code.
2872 * profile.c (branch_prob): Remove old location code.
2873 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
2874 LOC_LINE): Remove old-location variants.
2875 * langhooks.c (lhd_print_error_function): Remove old location
2877 * configure, config.in: Rebuilt.
2878 * configure.ac (--enable-mapped-location): Remove.
2879 * c-decl.c (c_init_decl_processing): Remove old location code.
2880 (finish_function): Likewise.
2881 * recog.c (decode_asm_operands): Remove old location code.
2882 * c-pch.c (c_common_read_pch): Remove old location code.
2883 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
2885 * gimple-low.c (lower_function_body): Remove old location code.
2886 * toplev.c (unknown_location): Remove.
2887 (push_srcloc): Remove old-location variant.
2888 (process_options): Remove old location code.
2889 (lang_dependent_init): Likewise.
2890 * input.h (UNKNOWN_LOCATION): Move definition.
2891 (location_t): Undeprecate.
2892 (source_locus): Remove.
2893 (location_from_locus): Remove.
2894 (struct location_s): Remove.
2895 Remove all old-location code.
2896 (input_line, input_filename): Remove.
2897 * final.c (final_scan_insn): Remove old location code.
2898 * diagnostic.c (diagnostic_build_prefix): Remove
2899 USE_MAPPED_LOCATION test.
2900 * tree.h (gimple_stmt) <locus>: Now a location_t.
2901 (tree_exp) <locus>: Likewise.
2902 (DECL_IS_BUILTIN): Remove old-location variant.
2903 (annotate_with_file_line, annotate_with_locus): Likewise.
2904 (expr_locus, set_expr_locus): Update.
2905 * tree.c (build1_stat): Remove old location code.
2906 (last_annotated_node): Remove.
2907 (annotate_with_file_line): Remove old-location variant.
2908 (annotate_with_locus): Likewise.
2909 (expr_location): Remove old location code.
2910 (set_expr_location): Likewise.
2911 (expr_has_location): Likewise.
2912 (expr_locus): Likewise.
2913 (set_expr_locus): Likewise.
2914 (expr_filename): Don't use location_from_locus.
2915 (expr_lineno): Likewise.
2916 * rtl-error.c (location_for_asm): Remove old location code.
2917 * c-lex.c (cb_line_change): Remove old location code.
2918 (fe_file_change): Likewise.
2919 (cb_def_pragma): Likewise.
2920 (c_lex_with_flags): Likewise.
2921 * gengtype.c (do_typedef): Don't special-case location types.
2922 (define_location_structures): Remove.
2923 (main): Don't call define_location_structures.
2924 * tree-pretty-print.c (dump_implicit_edges): Remove old location
2927 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2930 * builtins.def (BUILT_IN_STDARG_START): Remove.
2931 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
2932 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2933 * tree-inline.c (inline_forbidden_p_1): Likewise.
2935 2008-02-26 Richard Guenther <rguenther@suse.de>
2937 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2938 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2939 (lookup_decl_from_uid): Declare.
2940 (remove_decl_from_map): Likewise.
2941 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2942 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2943 (decl_for_uid_map): New global hashtable mapping DECL_UID
2945 (init_ttree): Allocate it.
2946 (insert_decl_to_uid_decl_map): New helper function.
2947 (make_node_stat): Insert new decls into the map.
2948 (copy_node_stat): Likewise.
2949 (lookup_decl_from_uid): New function.
2950 (remove_decl_from_map): Likewise.
2951 (print_decl_for_uid_map_statistics): New helper.
2952 (dump_tree_statistics): Call it.
2954 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2955 (referenced_var_iterator): Adjust.
2956 (FOR_EACH_REFERENCED_VAR): Adjust.
2957 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2958 (num_referenced_vars): Adjust.
2959 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2960 (first_referenced_var): Remove.
2961 (end_referenced_vars_p): Likewise.
2962 (next_referenced_var): Likewise.
2963 (referenced_var_iterator_set): New helper function.
2964 * tree-dfa.c (referenced_var_lookup): Adjust.
2965 (referenced_var_check_and_insert): Likewise.
2966 (remove_referenced_var): Likewise.
2967 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2968 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2969 (verify_call_clobbering): Likewise.
2970 (verify_memory_partitions): Likewise.
2971 (init_tree_ssa): Allocate bitmap instead of hashtable for
2973 (delete_tree_ssa): Adjust.
2974 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2975 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2976 (compute_tag_properties): Likewise.
2977 (set_initial_properties): Likewise.
2978 (find_partition_for): Likewise.
2979 (update_reference_counts): Likewise.
2980 (dump_may_aliases_for): Likewise.
2981 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2982 (add_call_clobber_ops): Likewise.
2983 (add_call_read_ops): Likewise.
2984 (get_asm_expr_operands): Likewise.
2985 * tree-into-ssa.c (dump_decl_set): Likewise.
2986 (update_ssa): Likewise.
2987 * tree-sra.c (scan_function): Likewise.
2988 (decide_instantiations): Likewise.
2989 (scalarize_parms): Likewise.
2990 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2991 (dsa_named_for): Likewise.
2992 * tree-ssa-structalias.c (update_alias_info): Likewise.
2993 (merge_smts_into): Likewise.
2995 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2998 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
2999 * c-opts.c (c_common_handle_option): Wall enables
3000 Wvolatile-register-var.
3001 * common.opt: Move Wvolatile-register-var to...
3004 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3006 * common.opt (Wlarger-than=): New.
3007 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
3009 * opts.c (common_handle_option): Handle -Wlarger-than=.
3010 * optc-gen.awk: Likewise.
3011 * opth-gen.awk: Likewise.
3012 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
3013 * tree-optimize.c (tree_rest_of_compilation): Likewise.
3015 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3017 * c-common.c (match_case_to_enum_1): Add appropriate
3018 OPT_W* parameter to warning.
3019 (c_do_switch_warnings): Likewise.
3020 * c-typeck.c (warning_init): Add one more parameter following
3022 (push_init_level): Update call to warning_init.
3023 (pop_init_level): Likewise.
3024 (add_pending_init): Likewise.
3025 (output_init_element: Likewise.
3027 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3030 * toplev.c (toplev_main): If there are warnings or error, print
3031 errors for ignored options.
3032 * opts.c (ignored_options): New static variable.
3033 (postpone_unknown_option_error): New.
3034 (print_ignored_options): New.
3035 (handle_option): Postpone errors for unknown -Wno-* options.
3036 * opts.h (print_ignored_options): Declare.
3038 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
3040 * config/mips/mips.md (loadgp_blockage, blockage): Change type
3043 2008-02-25 Richard Guenther <rguenther@suse.de>
3046 2008-02-25 Richard Guenther <rguenther@suse.de>
3048 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3049 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3050 (lookup_decl_from_uid): Declare.
3051 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3052 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3053 (decl_for_uid_map): New global hashtable mapping DECL_UID
3055 (init_ttree): Allocate it.
3056 (insert_decl_to_uid_decl_map): New helper function.
3057 (make_node_stat): Insert new decls into the map.
3058 (copy_node_stat): Likewise.
3059 (lookup_decl_from_uid): New function.
3060 (print_decl_for_uid_map_statistics): New helper.
3061 (dump_tree_statistics): Call it.
3063 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3064 (referenced_var_iterator): Adjust.
3065 (FOR_EACH_REFERENCED_VAR): Adjust.
3066 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3067 (num_referenced_vars): Adjust.
3068 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3069 (first_referenced_var): Remove.
3070 (end_referenced_vars_p): Likewise.
3071 (next_referenced_var): Likewise.
3072 (referenced_var_iterator_set): New helper function.
3073 * tree-dfa.c (referenced_var_lookup): Adjust.
3074 (referenced_var_check_and_insert): Likewise.
3075 (remove_referenced_var): Likewise.
3076 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3077 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3078 (verify_call_clobbering): Likewise.
3079 (verify_memory_partitions): Likewise.
3080 (init_tree_ssa): Allocate bitmap instead of hashtable for
3082 (delete_tree_ssa): Adjust.
3083 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3084 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3085 (compute_tag_properties): Likewise.
3086 (set_initial_properties): Likewise.
3087 (find_partition_for): Likewise.
3088 (update_reference_counts): Likewise.
3089 (dump_may_aliases_for): Likewise.
3090 * tree-ssa-operands.c (add_virtual_operand): Likewise.
3091 (add_call_clobber_ops): Likewise.
3092 (add_call_read_ops): Likewise.
3093 (get_asm_expr_operands): Likewise.
3094 * tree-into-ssa.c (dump_decl_set): Likewise.
3095 (update_ssa): Likewise.
3096 * tree-sra.c (scan_function): Likewise.
3097 (decide_instantiations): Likewise.
3098 (scalarize_parms): Likewise.
3099 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3100 (dsa_named_for): Likewise.
3101 * tree-ssa-structalias.c (update_alias_info): Likewise.
3102 (merge_smts_into): Likewise.
3104 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
3107 * doc/invoke.texi (-fcx-limited-range): Document new option.
3108 * toplev.c (process_options): Handle -fcx-fortran-rules.
3109 * common.opt: Add documentation for -fcx-fortran-rules.
3111 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
3114 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
3115 actual behaviour and C99.
3117 2008-02-26 Ben Elliston <bje@au.ibm.com>
3119 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
3120 (ASM_CPU_POWER6_SPEC): Likewise.
3121 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
3122 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
3123 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
3125 2008-02-25 Richard Guenther <rguenther@suse.de>
3127 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3128 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3129 (lookup_decl_from_uid): Declare.
3130 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3131 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3132 (decl_for_uid_map): New global hashtable mapping DECL_UID
3134 (init_ttree): Allocate it.
3135 (insert_decl_to_uid_decl_map): New helper function.
3136 (make_node_stat): Insert new decls into the map.
3137 (copy_node_stat): Likewise.
3138 (lookup_decl_from_uid): New function.
3139 (print_decl_for_uid_map_statistics): New helper.
3140 (dump_tree_statistics): Call it.
3142 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3143 (referenced_var_iterator): Adjust.
3144 (FOR_EACH_REFERENCED_VAR): Adjust.
3145 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3146 (num_referenced_vars): Adjust.
3147 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3148 (first_referenced_var): Remove.
3149 (end_referenced_vars_p): Likewise.
3150 (next_referenced_var): Likewise.
3151 (referenced_var_iterator_set): New helper function.
3152 * tree-dfa.c (referenced_var_lookup): Adjust.
3153 (referenced_var_check_and_insert): Likewise.
3154 (remove_referenced_var): Likewise.
3155 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3156 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3157 (verify_call_clobbering): Likewise.
3158 (verify_memory_partitions): Likewise.
3159 (init_tree_ssa): Allocate bitmap instead of hashtable for
3161 (delete_tree_ssa): Adjust.
3162 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3163 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3164 (compute_tag_properties): Likewise.
3165 (set_initial_properties): Likewise.
3166 (find_partition_for): Likewise.
3167 (update_reference_counts): Likewise.
3168 (dump_may_aliases_for): Likewise.
3169 * tree-ssa-operands.c (add_virtual_operand): Likewise.
3170 (add_call_clobber_ops): Likewise.
3171 (add_call_read_ops): Likewise.
3172 (get_asm_expr_operands): Likewise.
3173 * tree-into-ssa.c (dump_decl_set): Likewise.
3174 (update_ssa): Likewise.
3175 * tree-sra.c (scan_function): Likewise.
3176 (decide_instantiations): Likewise.
3177 (scalarize_parms): Likewise.
3178 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3179 (dsa_named_for): Likewise.
3180 * tree-ssa-structalias.c (update_alias_info): Likewise.
3181 (merge_smts_into): Likewise.
3183 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
3186 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
3187 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
3188 * alias.h (nonoverlapping_memrefs_p): Likewise.
3190 2008-02-25 Jan Beulich <jbeulich@novell.com>
3192 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
3193 * config/i386/netware-libgcc.exp: Add __bswap?i2,
3194 __emultls_get_address, __emultls_register_common,
3195 __floatundi?f, and _Unwind_GetIPInfo.
3196 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
3197 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
3198 (gen_regparm_prefix): Likewise.
3199 (i386_nlm_encode_section_info): Sync with
3200 config/i386/winnt.c:i386_pe_encode_section_info().
3201 (i386_nlm_maybe_mangle_decl_assembler_name): New.
3202 i386_nlm_mangle_decl_assembler_name): New.
3203 (netware_override_options): New.
3204 * config/i386/netware.h (netware_override_options): Declare.
3205 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
3206 (i386_nlm_mangle_decl_assembler_name): Declare.
3207 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
3209 2008-02-25 Ben Elliston <bje@au.ibm.com>
3212 * c-decl.c (grokdeclarator): Remove unused local variables
3213 `typedef_type' and `type_as_written'.
3215 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
3216 unused local variable `has_hot_blocks'.
3217 (fix_crossing_conditional_branches): Remove unused local variable
3220 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
3223 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
3224 using DEF_C99_BUILTIN.
3225 (BUILT_IN_NANF): Ditto.
3226 (BUILT_IN_NANL): Ditto.
3228 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
3229 Revital Eres <eres@il.ibm.com>
3231 * modulo-sched.c (calculate_must_precede_follow): Address TODO
3232 regarding the order of two dependent insns in the same row.
3234 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
3236 * stor-layout.c (layout_decl): Do not bump the alignment of a
3237 bit-field to more than byte alignment if it is packed.
3239 2008-02-24 David Edelsohn <edelsohn@gnu.org>
3241 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
3244 2008-02-24 Diego Novillo <dnovillo@google.com>
3246 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
3249 * tree-vrp.c (vrp_evaluate_conditional): With
3250 -Wtype-limits, emit a warning when comparing against a
3251 constant outside the natural range of OP0's type.
3252 * c.opt (Wtype-limits): Move ...
3253 * common.opt (Wtype-limits): ... here.
3255 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
3257 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
3258 * config/rs6000/e300c2c3.md: New file.
3259 * config/rs6000/rs6000.c (processor_costs): Add new costs for
3261 (rs6000_override_options): Add e300c2 and e300c3 cases to
3262 processor_target_table. Do not allow usage of Altivec or Spe
3263 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
3264 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
3265 * config/rs6000/rs6000.h (processor_type): Add
3266 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
3267 (ASM_CPU_SPEC): Add e300c2 and e300c3.
3268 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
3269 and ppce300c3. Include e300c2c3.md.
3271 2008-02-23 David Edelsohn <edelsohn@gnu.org>
3273 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
3274 instead of TARGET_STRICT_ALIGN.
3276 2008-02-23 Joseph Myers <joseph@codesourcery.com>
3278 * explow.c (memory_address): Assert that the generated address is
3281 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3284 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
3285 * config/darwin-ppc-ldouble-patch.def: New file.
3286 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
3287 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
3288 SUBTARGET_INIT_BUILTINS if defined.
3289 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
3292 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
3295 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
3296 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
3298 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
3301 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
3302 file" warning condtional on -Winvalid-PCH.
3304 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
3306 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
3308 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
3312 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
3313 prevent reload from using MMX registers.
3314 (*mov<mode>_internal): Ditto.
3315 (*movv2sf_internal_rex64): Ditto.
3316 (*movv2sf_internal): Ditto.
3318 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3320 PR documentation/31569
3321 * doc/install.texi2html: Use makeinfo --no-number-sections.
3323 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
3325 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
3326 ensure that we can address an entire entity > 8 bytes. Don't
3327 generate reg+reg addressing for such data.
3329 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
3331 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
3332 strings when optimizing for size, unless the target cares about
3335 2008-02-22 Tom Tromey <tromey@redhat.com>
3337 * regclass.c (current_pass): Remove declaration.
3339 2008-02-22 Anatoly Sokolov <aesok@post.ru>
3341 * config/avr/libgcc.S (__RAMPZ__): Define.
3342 (__do_copy_data): Add for devices with 128KB code memory.
3344 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
3346 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3348 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
3350 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
3352 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
3355 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3358 * c-typeck.c (build_binary_op): Warn about floating point
3359 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
3361 2008-02-21 Janis Johnson <janis187@us.ibm.com>
3364 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
3365 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
3367 (rs6000_override_options): Set altivec_abi as default, not override,
3368 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
3369 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
3370 is used; use new member spe_abi.
3371 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
3372 spe_abi and altivec_abi.
3374 2008-02-22 Tomas Bily <tbily@suse.cz>
3376 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
3378 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3381 * config.build (build_file_translate): Set to `CMD //c' only if
3383 * Makefile.in (build_file_translate): Improve comment.
3385 2008-02-21 Jan Hubicka <jh@suse.cz>
3387 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
3388 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
3389 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
3391 2008-02-21 Michael Matz <matz@suse.de>
3394 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
3396 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
3398 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
3399 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
3401 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
3402 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
3403 SSE_VEC_FLOAT_MODE_P as insn constraint.
3404 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
3405 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
3406 sse4a_movntdf using MODEF mode iterator.
3407 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
3408 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
3409 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
3410 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
3411 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
3412 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
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