1 2007-04-25 Anatoly Sokolov <aesok@post.ru>
4 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
6 2007-04-24 Brooks Moses <brooks.moses@codesourcery.com>
8 * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
9 rounding mode to be specified by the caller.
10 (real_to_mpfr) Likewise.
11 * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
12 include new arguments.
13 * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
15 2007-04-24 Ian Lance Taylor <iant@google.com>
17 PR tree-optimization/31605
18 * tree-vrp.c (set_value_range): Check that min and max are not
19 both overflow infinities.
20 (set_value_range_to_value): New static function.
21 (extract_range_from_binary_expr): Call set_value_range_to_value.
22 (extract_range_from_cond_expr): Likewise.
23 (extract_range_from_expr): Likewise.
24 (extract_range_from_unary_expr): Likewise. Don't create a range
25 which overflows on both sides.
26 (vrp_meet): Check for a useless range.
27 (vrp_visit_phi_node): If we see a constant which looks like an
28 overflow infinity, turn off the TREE_OVERFLOW flag.
30 2007-04-24 Ian Lance Taylor <iant@google.com>
32 * flow.c (elim_reg_cond): Handle a comparison of a subreg.
34 2007-04-24 Simon Martin <simartin@users.sourceforge.net>
37 * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
38 diagnostic message is being built.
39 * tree-pretty-print.c (dump_generic_node): Only write the
40 formatted text into BUFFER's stream if we are not building a
42 * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
44 * Makefile.in (toplev.o): Depend on tree-pass.h.
46 2007-04-24 Ian Lance Taylor <iant@google.com>
48 PR tree-optimization/31602
49 * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
50 conditionals in the copied loop header.
51 * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
52 warnings if TREE_NO_WARNING is set.
53 * doc/invoke.texi (Warning Options): Clarify that
54 -Wstrict-overflow does not warn about loops.
56 2007-04-24 Janis Johnson <janis187@us.ibm.com>
58 * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
59 expand on the comment about _Decimal128 arguments and check the
60 integer result of the modulus operation; for 64-bit ELF ABI, ensure
61 that _Decimal128 argument uses even/odd register pair.
62 (function_arg): Ditto.
64 2007-04-24 Hui-May Chang <hm.chang@apple.com>
66 * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
67 instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
69 2007-04-24 Richard Guenther <rguenther@suse.de>
70 Olga Golovanevsky <olga@il.ibm.com>
72 * fold-const.c (multiple_of_p): Check for bottom
75 2007-04-24 Richard Henderson <rth@redhat.com>
77 * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
78 IS_IBM_EXTENDED. Also define in terms of WIDEST_HARDWARE_FP_SIZE.
79 * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
80 looking for non-zero bits shifted out. Avoid a recursive call
81 when constructing the scalar.
82 (__floatundisf): Likewise.
84 2007-04-24 Nathan Froyd <froydnj@codesourcery.com>
86 * dwarf2out.c (field_byte_offset): Move the existing logic
87 under the control of PCC_BITFIELD_TYPE_MATTERS and just use
88 the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
90 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
93 * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
94 argument of 0 for memset.
95 (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
96 unsigned shift instead of the signed variant.
98 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
100 * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
101 "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
102 "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
103 "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
104 "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
105 "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
106 "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
107 "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
108 "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
109 ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
110 "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
111 "mul<mode>3", "div<mode>3"): Insn definitions added.
112 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
113 "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
114 to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
115 ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
116 "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
117 "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
118 ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
119 * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
120 TARGET_FLOAT_FORMAT): Macro definitions removed.
121 (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
122 * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
123 z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
124 (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
125 (s390_gen_rtx_const_DI): Function removed.
126 * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
128 2007-04-24 Richard Sandiford <richard@codesourcery.com>
130 * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
131 over an external ffs function.
133 2007-04-24 Chao-ying Fu <fu@mips.com>
134 Richard Sandiford <richard@nildram.co.uk>
136 * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
137 * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
138 (smadd_widen_optab, umadd_widen_optab): Define.
139 * optabs.c (init_optabs): Initialize smadd_widen_optab and
141 * genopinit.c (optabs): Fill in smadd_widen_optab and
143 * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
144 and umadd_widen_optab to implement multiply-add sequences.
145 * config/mips/mips.md (*<su>mul_acc_di): Rename to...
146 (<u>maddsidi4): ...this. Extend condition to include
147 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
148 of operand 0 to "ka" and use the three-operand form of madd<u>
150 * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
152 * config/mips/constraints.md (ka): New register constraint.
154 2007-04-24 Jan Hubicka <j@suse.cz>
158 2007-04-23 Jan Hubicka <jh@suse.cz>
159 * function.c (init_function_start): Don't init line number info.
160 (expand_function_end): Update.
161 (reset_block_changes, record_block_change, finalize_block_changes,
162 check_block_change, free_block_changes): Kill.
163 * function.h (reset_block_changes, record_block_change,
164 finalize_block_changes, check_block_change, free_block_changes): Remove
166 (struct function): Remove ib_boundaries_block.
167 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
168 Use curr_insn_locator to initialize locator.
169 (emit_line_note): Remove.
170 * cfgexpand.c (expand_gimple_cond_expr): Update.
171 (construct_exit_block): Likewise.
172 (tree_expand_cfg): Initialize/finalize locators.
173 * expr.c (expand_expr_real): Update.
174 * cfglayout.c (line_locators_locs, line_locators_lines,
175 file_locators_locs, file_locators_files): Remove.
176 (set_block_levels): Move to cfgexpand.c.
177 (insn_locators_initialize): Remove.
178 (pass_insn_locators_initialize): Remove.
179 (locations_locators_locs, locations_locators_vals): New static vars.
180 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
182 (insn_locators_alloc, insn_locators_finalize,
183 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
185 (locator_location): New.
186 (locator_line, locator_file): Rewrite.
187 * rtl.h (emit_line_note): Kill.
188 (insn_locators_alloc, insn_locators_finalize,
189 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
191 * tree-inline.c (initialize_cfun): Do not initialize
193 * passes.c (pass_insn_locators_initialize): Remove.
195 2007-04-24 Daniel Franke <franke.daniel@gmail.com>
197 * doc/invoke.texi: Removed leading '-' from option index entries.
199 2007-04-23 Zdenek Dvorak <dvorakz@suse.cz>
201 * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
203 (create_phi_node): Use set_phi_nodes.
204 * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
205 * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
206 (combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
207 * tree-flow-inline.h (phi_nodes, set_phi_nodes,
208 (bsi_start, bsi_last): Use bb_stmt_list.
209 (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
210 * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
211 Traverse the statements using tsi iterator.
212 * basic-block.h (struct basic_block_def): Fields stmt_list
213 and phi_nodes moved to ...
214 (struct tree_bb_info): ... new structure.
215 * tree-cfg.c (create_bb): Allocate il.tree. Use set_bb_stmt_list.
216 (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
217 (remove_bb): Handle blocks with NULL stmt list. Clear il.tree field.
218 (tree_verify_flow_info): Verify that il.tree is not set for
219 entry and exit block.
220 (tree_split_block): Use set_bb_stmt_list.
222 2007-04-23 Mike Stump <mrs@apple.com>
224 * config/i386/i386.c (ix86_tune_features
225 [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
228 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
230 * config/i386/i386.md (prefix_extra): New attribute.
231 (length): Add prefix_extra.
233 * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
234 (sse2_movntv2di): Likewise.
235 (sse2_cvtps2dq): Likewise.
236 (sse2_cvtpd2pi): Likewise.
237 (sse2_cvttpd2pi): Likewise.
238 (*sse2_cvtpd2ps): Likewise.
239 (*add<mode>3): Likewise.
240 (sse2_ssadd<mode>3): Likewise.
241 (sse2_usadd<mode>3): Likewise.
242 (*sub<mode>3): Likewise.
243 (sse2_sssub<mode>3): Likewise.
244 (sse2_ussub<mode>3): Likewise.
245 (*mulv8hi3): Likewise.
246 (*smulv8hi3_highpart): Likewise.
247 (*umulv8hi3_highpart): Likewise.
248 (sse2_umulv2siv2di3): Likewise.
249 (sse2_pmaddwd): Likewise.
250 (ashr<mode>3): Likewise.
251 (lshr<mode>3): Likewise.
252 (ashl<mode>3): Likewise.
253 (sse2_ashlti3): Likewise.
254 (sse2_lshrti3): Likewise.
255 (*umaxv16qi3): Likewise.
256 (*smaxv8hi3): Likewise.
257 (*uminv16qi3): Likewise.
258 (*sminv8hi3): Likewise.
259 (sse2_eq<mode>3): Likewise.
260 (sse2_gt<mode>3): Likewise.
261 (*and<mode>3): Likewise.
262 (sse2_nand<mode>3): Likewise.
263 (*ior<mode>3): Likewise.
264 (*xor<mode>3): Likewise.
265 (sse2_packsswb): Likewise.
266 (sse2_packssdw): Likewise.
267 (sse2_packuswb): Likewise.
268 (sse2_punpckhbw): Likewise.
269 (sse2_punpcklbw): Likewise.
270 (sse2_punpckhwd): Likewise.
271 (sse2_punpcklwd): Likewise.
272 (sse2_punpckhdq): Likewise.
273 (sse2_punpckldq): Likewise.
274 (sse2_punpckhqdq): Likewise.
275 (sse2_punpcklqdq): Likewise.
276 (*sse2_pinsrw): Likewise.
277 (*sse2_pextrw): Likewise.
278 (sse2_pshufd_1): Likewise.
279 (sse2_uavgv16qi3): Likewise.
280 (sse2_uavgv8hi3): Likewise.
281 (sse2_psadbw): Likewise.
282 (sse2_pmovmskb): Likewise.
283 (*sse2_maskmovdqu): Likewise.
284 (*sse2_maskmovdqu_rex64): Likewise.
285 (sse4a_extrqi): Likewise.
286 (sse4a_extrq): Likewise.
287 (sse3_lddqu): Set prefix_rep.
288 (sse3_addsubv4sf3): Likewise.
289 (sse3_haddv4sf3): Likewise.
290 (sse3_hsubv4sf3): Likewise.
291 (sse_cvtss2si): Likewise.
292 (sse_cvtss2si_2): Likewise.
293 (sse_cvtss2siq): Likewise.
294 (sse_cvtss2siq_2): Likewise.
295 (sse_cvttss2si): Likewise.
296 (sse_cvttss2siq): Likewise.
297 (sse2_cvttps2dq): Likewise.
298 (sse3_movshdup): Likewise.
299 (sse3_movsldup): Likewise.
300 (sse2_cvtsd2si): Likewise.
301 (sse2_cvtsd2si_2): Likewise.
302 (sse2_cvtsd2siq): Likewise.
303 (sse2_cvtsd2siq_2): Likewise.
304 (sse2_cvttsd2si): Likewise.
305 (sse2_cvttsd2siq): Likewise.
306 (*sse2_cvtpd2dq): Likewise.
307 (*sse2_cvttpd2dq): Likewise.
308 (sse2_pshuflw_1): Likewise.
309 (sse2_pshufhw_1): Likewise.
310 (sse4a_insertqi): Likewise.
311 (sse4a_insertq): Likewise.
312 (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
313 (ssse3_phadddv4si3): Likewise.
314 (ssse3_phaddswv8hi3): Likewise.
315 (ssse3_phsubwv8hi3): Likewise.
316 (ssse3_phsubdv4si3): Likewise.
317 (ssse3_phsubswv8hi3): Likewise.
318 (ssse3_pmaddubswv8hi3): Likewise.
319 (ssse3_pmulhrswv8hi3): Likewise.
320 (ssse3_pshufbv16qi3): Likewise.
321 (ssse3_psign<mode>3): Likewise.
322 (ssse3_palignrti): Likewise.
323 (abs<mode>2): Likewise.
324 (ssse3_phaddwv4hi3): Set prefix_extra.
325 (ssse3_phadddv2si3): Likewise.
326 (ssse3_phaddswv4hi3): Likewise.
327 (ssse3_phsubwv4hi3): Likewise.
328 (ssse3_phsubdv2si3): Likewise.
329 (ssse3_phsubswv4hi3): Likewise.
330 (ssse3_pmaddubswv4hi3): Likewise.
331 (ssse3_pmulhrswv4hi3): Likewise.
332 (ssse3_pshufbv8qi3): Likewise.
333 (ssse3_psign<mode>3): Likewise.
334 (ssse3_palignrdi): Likewise.
335 (abs<mode>2): Likewise.
336 (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
337 (*vec_dupv2df): Set mode to V2DF instead of V4SF.
338 (sse2_pmovmskb): Set mode to SI instead of V2DF.
340 2007-04-23 Nick Clifton <nickc@redhat.com>
342 * params.def: Fix formatting of emacs local variables.
344 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
346 * config/i386/sse.md (sse2_stored): Don't split to inter-unit
347 move if inter-unit move isn't allowed.
348 Don't split moving the first element of V2DI to DI to inter-unit
349 move if inter-unit move isn't allowed.
351 2007-04-23 Richard Guenther <rguenther@suse.de>
353 * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
354 and CDI_POST_DOMINATORS separately.
356 2007-04-23 Nick Clifton <nickc@redhat.com>
358 * c.opt (Wformat-contains-nul): Add warning attribute.
360 2007-04-23 Jan Hubicka <jh@suse.cz>
362 * function.c (init_function_start): Don't init line number info.
363 (expand_function_end): Update.
364 (reset_block_changes, record_block_change, finalize_block_changes,
365 check_block_change, free_block_changes): Kill.
366 * function.h (reset_block_changes, record_block_change,
367 finalize_block_changes, check_block_change, free_block_changes): Remove
369 (struct function): Remove ib_boundaries_block.
370 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
371 Use curr_insn_locator to initialize locator.
372 (emit_line_note): Remove.
373 * cfgexpand.c (expand_gimple_cond_expr): Update.
374 (construct_exit_block): Likewise.
375 (tree_expand_cfg): Initialize/finalize locators.
376 * expr.c (expand_expr_real): Update.
377 * cfglayout.c (line_locators_locs, line_locators_lines,
378 file_locators_locs, file_locators_files): Remove.
379 (set_block_levels): Move to cfgexpand.c.
380 (insn_locators_initialize): Remove.
381 (pass_insn_locators_initialize): Remove.
382 (locations_locators_locs, locations_locators_vals): New static vars.
383 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
385 (insn_locators_alloc, insn_locators_finalize,
386 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
388 (locator_location): New.
389 (locator_line, locator_file): Rewrite.
390 * rtl.h (emit_line_note): Kill.
391 (insn_locators_alloc, insn_locators_finalize,
392 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
394 * tree-inline.c (initialize_cfun): Do not initialize
396 * passes.c (pass_insn_locators_initialize): Remove.
398 2007-04-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
401 * expr.c (reduce_to_bit_field_precision): Handle
404 2007-04-22 Uros Bizjak <ubizjak@gmail.com>
406 PR tree-optimization/24659
407 * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
408 OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
409 (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
410 * genopinit.c (optabs): Rename vec_pack_mod_optab
411 to vec_pack_trunc_optab.
412 * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
413 early for scalar floating point operands for NOP_EXPR.
414 (vectorizable_type_promotion): Ditto.
415 * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
416 vec_pack_trunc_optab.
417 (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
419 * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
420 * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
421 Rename from VEC_PACK_MOD_EXPR.
422 (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
423 * expr.c (expand_expr_real_1): Ditto.
424 * tree-inline.c (estimate_num_insns_1): Ditto.
425 * tree-vect-generic.c (expand_vector_operations_1): Ditto.
427 * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
428 (vec_unpacks_lo_v4sf): Ditto.
429 (vec_pack_trunc_v2df): Ditto.
430 (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
431 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
432 (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
434 * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
436 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
438 * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
439 Rename from VEC_PACK_MOD_EXPR. This expression also represent
440 packing of floating point operands.
441 [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
442 represent unpacking of floating point operands.
443 * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
444 [vec_unpacks_hi]: Ditto.
445 [vec_unpacks_lo]: Ditto.
447 2007-04-22 Jan Hubicka <jh@suse.cz>
449 * final.c (rest_of_handle_final): Call
450 targetm.asm_out.constructor/targetm.asm_out.destructor
451 * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
452 proper priority via decl_*_priority_insert.
453 * c-common.c (c_expand_body): Likewise.
455 2007-04-22 Richard Guenther <rguenther@suse.de>
457 PR tree-optimization/29789
458 * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
459 (rewrite_reciprocal): New helper split out from
460 determine_invariantness_stmt.
461 (rewrite_bittest): Likewise.
462 (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
463 A & (1 << B) if (1 << B) is loop invariant but (A >> B)
466 2007-04-22 Revital Eres <eres@il.ibm.com>
468 * loop-unroll.c (var_to_expand): New field to support also
469 insns of the form x = something + x.
470 (analyze_insn_to_expand_var): Use it.
471 (expand_var_during_unrolling): Likewise.
473 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
475 * predict.c: Include pointer-set.h.
476 (bb_predictions): New variable.
477 (tree_predicted_by_p, tree_predict_edge,
478 remove_predictions_associated_with_edge): Use bb_predictions map
479 instead of bb->predictions.
480 (clear_bb_predictions, assert_is_empty): New functions.
481 (combine_predictions_for_bb): Use bb_predictions map. Call
482 clear_bb_predictions.
483 (tree_estimate_probability): Create and free bb_predictions map.
484 * Makefile.in (predict.o): Add pointer-set.h dependency.
485 * basic-block.h (struct basic_block_def): Remove predictions
487 * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
489 2007-04-21 Kaz Kojima <kkojima@gcc.gnu.org>
492 * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
495 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
497 * timevar.c (timevar_print): Change reference of --disable-checking to
498 --enable-checking=release. Also warn if assert checking is disabled.
500 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
503 * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
504 decl as addressable if the compound literal was marked as
506 Mark the decl as a gimple register if it is a complex or
507 vector decl and does not live in memory.
509 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
511 * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
512 (GENERIC_NEXT): New function macro.
513 (PHI_CHAIN): Use phi_node's new chain variable.
514 (tree_phi_node): Change tree_common to tree_base
515 and add the chain field.
516 * tree-phinodes.c (make_phi_node): Don't set
517 TREE_TYPE on the new node.
518 * c-decl.c (lang_tree_node): Use GENERIC_NEXT
519 instead of checking GIMPLE_TUPLE_P in chain_next.
520 * tree-vect-transform.c
521 (get_initial_def_for_induction): Look at
522 PHI_RESULT_TREE for the type of the phi node.
523 (update_vuses_to_preheader): Use PHI_CHAIN
524 instead of TREE_CHAIN on the phi node.
525 * tree-ssa-structalias.c (compute_points_to_sets):
527 (ipa_pta_execute): Likewise.
529 2007-04-21 Richard Guenther <rguenther@suse.de>
532 * fold-const.c (fold_unary): Call fold_convert_const on the
535 2007-04-21 Alexandre Oliva <aoliva@redhat.com>
537 * gcse.c (store_killed_in_insn): Handle PARALLELs.
538 (store_killed_in_pat): New.
540 2007-04-20 Richard Henderson <rth@redhat.com>
543 * config/i386/i386.c (type_has_variadic_args_p): Look for any
544 TREE_LIST with a void_type_node value, not void_list_node exactly.
546 2007-04-21 Douglas Gregor <doug.gregor@gmail.com>
548 * doc/standards.texi: Re-arrange into language-specific
549 subsections. Add a C++ section, documenting which standards we
552 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
554 * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
555 * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
557 2007-04-20 Daniel Jacobowitz <dan@codesourcery.com>
559 * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
560 ecrti.o and crtbegin.o.
561 (LIB_DEFAULT_SPEC): Include -lc.
562 (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
564 2007-04-20 Richard Henderson <rth@redhat.com>
567 * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
568 argument; update all callers.
569 (get_unaligned_offset): New.
570 * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
571 get_unaligned_address, just pass on the address directly.
572 (unaligned_extendqidi): Use gen_lowpart instead of open-coding
573 the subreg in the helper patterns.
574 (unaligned_extendqidi_le): Use get_unaligned_offset.
575 (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
576 (unaligned_extendhidi_be): Likewise.
577 (unaligned_extendhidi): Tidy.
578 * config/alpha/alpha-protos.h: Update.
580 2007-04-20 Richard Henderson <rth@redhat.com>
582 * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
583 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
584 * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
585 * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
586 * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
587 (CPP_SPEC): Don't include %(cpp_subtarget).
588 * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
589 (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
590 * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
592 2007-04-20 Jakub Jelinek <jakub@redhat.com>
594 * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
595 for __builtin_ia32_cmpordss.
597 PR tree-optimization/31632
598 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
599 and arg1 for optimizations of comparison against min/max values.
600 Fold arg0 to arg1's type for optimizations of comparison against
601 min+1 and max-1 values.
603 2007-04-19 Bernd Schmidt <bernd.schmidt@analog.com>
605 * reload.c (combine_reloads): When trying to use a dying register,
606 check whether it's uninitialized and don't use if so.
608 2007-04-19 Brooks Moses <brooks.moses@codesourcery.com>
610 * fold-const.c: Remove prototypes for native_encode_expr and
611 native_interpret_expr.
612 (native_encode_expr): Make non-static.
613 (native_interpret_expr): Likewise.
614 * tree.h: Add prototypes for the above.
616 2007-04-19 Joseph Myers <joseph@codesourcery.com>
618 * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
619 *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
620 *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
621 spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
622 tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
623 Add length attributes.
625 2007-04-19 Janis Johnson <janis187@us.ibm.com>
627 * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
630 * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
631 __STDC_WANT_DEC_FP__.
633 2007-04-19 Joseph Myers <joseph@codesourcery.com>
635 * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
636 for long double compatibility.
637 * configure: Regenerate.
639 2007-04-19 Eric Botcazou <ebotcazou@libertysurf.fr>
641 PR rtl-optimization/29841
642 * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
644 * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
645 that may cause control flow transfer from being moved.
647 2007-04-18 Jan Hubicka <jh@suse.cz>
649 * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
652 2007-04-18 Eric Christopher <echristo@apple.com>
654 * config/rs6000/darwin.md (load_macho_picbase): Use link register
655 only. Update operands.
656 * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
657 * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
658 link register to pic register.
660 2007-04-18 Dirk Mueller <dmueller@suse.de>
663 * tree-vrp.c (search_for_addr_array): New.
664 (check_array_bounds): Suppress warning about
665 address taken of array refs if its not de-referenced.
667 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
669 * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
670 * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
672 * tree-vectorizer.h (NITERS_KNOWN_P): New.
673 * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
674 instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
676 * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
678 (vect_analyze_operations): Fix indenetation. Fix a comment. Fix a
680 (vect_analyze_scalar_cycles): Fix indentation.
681 (vect_enhance_data_refs_alignment): Fix check in case of peeling.
682 (vect_mark_relevant): Include phis in relevance analysis.
684 * tree-vect-transform.c (vect_transform_loop): Add an assert.
686 2007-04-18 Anatoly Sokolov <aesok@post.ru>
688 * config/avr/avr.c (ptrreg_to_str): Replace error() with
689 output_operand_lossage().
691 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
693 * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
694 the unused code for reduction without adjust-in-epilog to simplify the
697 2007-04-18 Wolfgang Gellerich <gellerich@de.ibm.com>
699 * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
700 (S390_TDC_NEGATIVE_ZERO): New constant.
701 (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
702 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
703 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
704 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
705 (S390_TDC_POSITIVE_INFINITY): New constant.
706 (S390_TDC_NEGATIVE_INFINITY): New constant.
707 (S390_TDC_POSITIVE_QUIET_NAN): New constant.
708 (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
709 (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
710 (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
711 (S390_TDC_INFINITY): New constant.
712 * config/s390/s390.c (s390_canonicalize_comparison): Renamed
713 UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
714 optimization for UNSPEC_CCZ_TO_INT.
715 * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
716 ("*ccz_to_int"): New insn.
717 ("isinf<mode>2"): New insn.
718 (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
719 (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
720 (UNSPEC_CCZ_TO_INT): New constant.
722 2007-04-18 Richard Guenther <rguenther@suse.de>
724 PR tree-optimization/19431
725 PR tree-optimization/21463
726 * tree-pass.h (pass_phiprop): Declare.
727 * passes.c (init_optimization_passes): New phiprop pass.
728 * tree-ssa-forwprop.c (struct phiprop_d): New structure.
729 (phivn_valid_p): New helper function.
730 (phiprop_insert_phi): Likewise.
731 (propagate_with_phi): Likewise.
732 (tree_ssa_phiprop): New propagator propagating loads
733 through phi nodes if profitable.
735 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
737 * tree-vect-analyze.c (process_use): New function.
738 (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
739 Check phis in all bbs.
740 * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
743 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
745 * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
748 2007-04-17 Anatoly Sokolov <aesok@post.ru>
751 * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
754 2007-04-17 H.J. Lu <hongjiu.lu@intel.com>
756 * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
758 (sse_vmmulv4sf3): Likewise.
759 (sse2_vmaddv2df3): Likewise.
760 (sse2_vmmulv2df3): Likewise.
762 2007-04-17 Zdenek Dvorak <dvorakz@suse.cz>
764 PR rtl-optimization/31360
765 * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
766 (target_reg_cost): New.
767 (init_set_costs): Initialize target_reg_cost. Add comments
768 regarding the rationale of the costs.
769 (global_cost_for_size): Renamed to...
770 (estimate_reg_pressure_cost): ... and simplify. Decrease importance
771 of register pressure.
772 * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
773 estimate_reg_pressure_cost. Add number of ivs.
774 (determine_set_costs): Dump target_reg_cost.
775 * loop-invariant.c (gain_for_invariant): Use
776 estimate_reg_pressure_cost. Removed n_inv_uses argument.
777 (best_gain_for_invariant, find_invariants_to_move): Remove
779 * cfgloop.h (target_small_cost, target_pres_cost): Removed.
780 (target_reg_cost): Declare.
781 (global_cost_for_size): Declaration removed.
782 (estimate_reg_pressure_cost): Declare.
784 2007-04-17 Peter Bergner <bergner@vnet.ibm.com>
786 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
787 regnos into even/odd register pairs.
788 * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
789 TDmode similar to the other floating point modes.
790 [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
791 * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
793 (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
794 nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
795 (movdd_hardfloat64): Use TARGET_MFPGPR.
797 2007-04-17 Bernd Schmidt <bernd.schmidt@analog.com>
799 * reload1.c (delete_output_reload): Don't count output in n_inherited.
802 2005-01-05 Richard Henderson <rth@redhat.com>
804 * reload1.c (do_input_reload): Restrict the optimization deleteing
805 a previous output reload to RELOAD_FOR_INPUT.
807 2007-04-17 Dorit Nuzman <dorit@il.ibm.com>
809 * tree-vectorizer.h (stmt_vec_info_type): Add enum value
811 (vectorizable_induction): New function declaration.
812 * tree-vect-transform.c (get_initial_def_for_induction): No need to
813 check if already vectorized. Find first place in BB where new stmts
814 can be inserted. Takes only one argument.
815 (vectorizable_induction): New function.
816 (vect_transform_stmt): Add case for induc_vec_info_type to call
817 vectorizable_induction.
818 (vect_transform_loop): Consider phis for vectorization.
819 * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
821 (analyze_operations): Call vectorizable_induction when analyzing phis.
823 (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
824 (vect_mark_relevant): Include phis in relevance analysis.
825 (vect_mark_stmts_to_be_vectorize): Likewise.
826 * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
828 2007-04-16 Lawrence Crowl <crowl@google.com>
830 * doc/invoke.texi (Debugging Options): Add documentation for the
831 -femit-struct-debug options -femit-struct-debug-baseonly,
832 -femit-struct-debug-reduced, and
833 -femit-struct-debug-detailed[=...].
835 * c-opts.c (c_common_handle_option): Add
836 OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
837 and OPT_femit_struct_debug_detailed_.
838 * c.opt: Add specifications for
839 -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
840 and -femit-struct-debug-detailed[=...].
841 * opts.c (set_struct_debug_option): Parse the
842 -femit-struct-debug-... options.
843 * opts.c (matches_main_base, main_input_basename,
844 main_input_baselength, base_of_path, matches_main_base): Add
845 variables and functions to compare header base name to compilation
847 * opts.c (should_emit_struct_debug): Add to determine to emit a
848 structure based on the option.
849 (dump_struct_debug) Also disabled function to debug this
851 * opts.c (handle_options): Save the base name of the
854 * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
855 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
856 This hook indicates if a type is generic. Set it by default
858 * langhooks.h (struct lang_hooks_for_types): Add a new hook
859 to determine if a struct type is generic or not.
860 * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
861 * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
862 * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
865 * flags.h (enum debug_info_usage): Add an enumeration to describe
866 a program's use of a structure type.
867 * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
868 to indicate the program's usage of the type. Filter structs based
869 on the -femit-struct-debug-... specification.
870 (gen_type_die): Split into two routines, gen_type_die and
871 gen_type_die_with_usage. gen_type_die is now a wrapper
872 that assumes direct usage.
873 (gen_type_die_with_usage): Replace calls to gen_type_die
874 with gen_type_die_with_usage adding the program usage of
876 (dwarf2out_imported_module_or_decl): Suppress struct debug
877 information using should_emit_struct_debug when appropriate.
879 2007-04-16 Ian Lance Taylor <iant@google.com>
881 PR tree-optimization/31522
882 * tree-vrp.c (vr_phi_edge_counts): New static variable.
883 (vrp_initialize): Allocate vr_phi_edge_counts.
884 (vrp_visit_phi_node): Don't push to infinity if we saw a new
885 executable edge. Drop test for all constants.
886 (vrp_finalize): Free vrp_phi_edge_counts.
888 * doc/cpp.texi (Common Predefined Macros): Clarify description of
889 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
891 * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
892 predecessors at head rather than tail.
894 2007-04-16 Matthias Klose <doko@debian.org>
896 * config/alpha/linux.h (CPP_SPEC): Define.
897 * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
899 2007-04-16 Aldy Hernandez <aldyh@redhat.com>
901 * function.h: Remove sequence_stack extern declaration.
903 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
905 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
907 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
910 2007-04-16 Anatoly Sokolov <aesok@post.ru>
912 * config/avr/avr.c (avr_arch_types): Rearranging array.
913 (enum avr_arch): Add.
914 (avr_mcu_types): Use avr_arch enumeration constants instead of
916 * config/avr/avr.h (LINK_SPEC): Simplify.
918 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
920 * config/m68k/m68k.c (m68k_libcall_value,
921 m68k_function_value): Use macros for register names more.
923 * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
925 (M68K_REGNAME): Use A6_REG.
926 * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
928 2007-04-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
931 * sched-int.h (struct deps): Split field 'pending_lists_length' into
932 'pending_read_list_length' and 'pending_write_list_length'. Update
934 * sched-deps.c (add_insn_mem_dependence): Change signature. Update
935 to handle two length counters instead of one. Update all uses.
936 (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
937 two length counters instead of one.
938 * sched-rgn.c (propagate_deps): Update to handle two length counters
941 2007-04-16 H.J. Lu <hongjiu.lu@intel.com>
944 * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
945 copy of source, pass it to ix86_expand_vector_set and return
948 2007-04-16 David Ung <davidu@mips.com>
949 Joseph Myers <joseph@codesourcery.com>
951 * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
952 PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
953 * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
954 Add 74K processor information.
955 * config/mips/mips.md: Include 74k.md.
956 (cpu): Add 74kc,74kf,74kx.
957 (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
958 * config/mips/74k.md: New.
959 * doc/invoke.texi (MIPS Options): Document 74K support.
961 2007-04-16 Dorit Nuzman <dorit@il.ibm.com>
963 * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
964 vectorizable_* functions.
965 * tree-vect-transform.c (vectorizable_call): Add check for
966 STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
967 (vectorizable_store): likewise.
968 (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
970 (vectorizable_operation, vectorizable_type_demotion): Likewise.
971 (vectorizable_type_promotion, vectorizable_load): Likewise.
972 (vectorizable_live_operation, vectorizable_condition): Likewise.
973 (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
975 (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
977 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
979 * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
980 register numbers more.
981 * config/m68k/m68k.h (STACK_POINTER_REGNUM,
982 FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
983 M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
984 FUNCTION_VALUE_REGNO_P): Likewise.
985 * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
986 STATIC_CHAIN_REGNUM): Likewise.
987 * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
988 * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
989 STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
990 * config/m68k/m68k.md (FP_REG): New.
992 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
994 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
997 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
999 * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
1000 tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
1003 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
1005 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
1008 2007-04-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
1011 * c-decl.c (finish_decl): Grab the type of the decl after the call
1012 to store_init_value.
1014 2007-04-14 Steven Bosscher <steven@gcc.gnu.org>
1016 * common.opt (fforward-propagate): Fix "Optimization" annotation.
1018 2007-04-14 Jakub Jelinek <jakub@redhat.com>
1021 * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
1022 post dominators and cleanup cfg before returning.
1024 2007-04-14 Bernd Schmidt <bernd.schmidt@analog.com>
1026 * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
1027 * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
1029 2007-04-14 Kazu Hirata <kazu@codesourcery.com>
1031 * config.gcc: Recognize fido.
1032 * config/m68k/m68k-devices.def (fidoa): New.
1033 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
1035 (FL_FIDOA, TARGET_FIDOA): New.
1036 * config/m68k/m68k.opt (mfidoa): New.
1038 2007-04-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1041 * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
1042 when a personality function is used.
1044 2007-04-13 Bob Wilson <bob.wilson@acm.org>
1046 * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
1048 2007-04-13 Mike Stump <mrs@apple.com>
1050 * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
1052 * config/darwin.opt (fapple-kext): Make C++ only.
1053 * config/darwin.c (darwin_override_options): Remove code to ensure
1054 -fapple-kext is given for C++ only.
1056 2007-04-13 Richard Sandiford <richard@codesourcery.com>
1058 * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
1059 * config/mips/mips.c (override_options): Call
1060 SUBTARGET_OVERRIDE_OPTIONS, if defined.
1062 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
1064 * config/i386/i386.opt (msvr3-shlib): Removed.
1066 * doc/invoke.texi: Remove -msvr3-shlib.
1068 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
1070 * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
1071 with "popcnt" instruction.
1073 2007-04-13 Richard Guenther <rguenther@suse.de>
1075 PR tree-optimization/21258
1076 * tree-vrp.c (compare_case_labels): New helper.
1077 (find_switch_asserts): New function.
1078 (find_assert_locations): Call it for SWITCH_EXPRs.
1080 2007-04-13 Uros Bizjak <ubizjak@gmail.com>
1082 * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
1083 * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
1084 check is now implied in X87_FLOAT_MODE_P.
1085 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1086 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1087 (fix_trunc<mode>_i386_fisttp): Ditto.
1088 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1089 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1090 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1091 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1092 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1093 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1094 (unnamed_splitters): Ditto.
1095 * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
1096 for X87_FLOAT_MODE_P mode. Override FIRST_FLOAT_REG with
1097 FIRST_SSE_REG for local functions when SSE math is enabled or
1098 for functions with sseregparm attribute.
1099 (standard_80387_constant_p): Return -1 if mode is not
1101 (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
1102 (ix86_expand_compare): Ditto.
1103 (ix86_expand_carry_flag_compare): Ditto.
1104 (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
1105 of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
1106 DECIMAL_FLOAT_MODE_P.
1107 (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
1108 of SCALAR_FLOAT_MODE_P.
1109 (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
1110 [MINUS]: ... here. Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
1111 checks before FLOAT_MODE_P.
1112 [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
1113 before FLOAT_MODE_P.
1118 [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
1120 2007-04-12 Paolo Bonzini <bonzini@gnu.org>
1121 Charles Wilson <libtool@cwilson.fastmail.fm>
1123 * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
1124 (libgcc.mvars): Don't depend on them.
1125 * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
1126 * exec-tool.in: New.
1128 2007-04-12 Brooks Moses <brooks.moses@codesourcery.com>
1130 * doc/invoke.text (--help): Document --help=common.
1132 2007-04-12 Thomas Neumann <tneumann@users.sourceforge.net>
1134 * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
1136 2007-04-12 Richard Sandiford <richard@codesourcery.com>
1138 * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
1139 * genemit.c (main): Emit #include "integrate.h".
1140 * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
1141 (LOADGP_RTP): New mips_loadgp_style.
1142 * config/mips/mips.h: Include config/vxworks-dummy.h.
1143 (TARGET_RTP_PIC): New macro.
1144 (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
1145 (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
1146 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
1148 * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define. Pass down
1149 -mvxworks-pic when using -mrtp and a PIC option.
1150 * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
1152 (mips_symbolic_constant_p, mips_symbolic_address_p)
1153 (mips_symbol_insns): Handle SYMBOL_HALF.
1154 (override_options): Warn about -G and -mrtp being used together.
1155 Initialize mips_lo_relocs[SYMBOL_HALF].
1156 (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
1157 (mips_emit_loadgp): Handle LOADGP_RTP.
1158 (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
1159 * config/mips/mips.md (loadgp_rtp): New insn and splitter.
1160 (tablejump): Handle function-relative case table entries if
1162 * config/mips/predicates.md (symbol_ref_operand): New predicate.
1164 2007-04-12 Richard Sandiford <richard@codesourcery.com>
1166 * config/mips/mips.md (load_call<mode>): Allow any general register.
1168 (sibcall_value_internal, sibcall_value_multiple_internal)
1169 (call_value_internal, call_value_split, call_value_multiple_internal)
1170 (call_value_multiple_split): Remove constraints from operand 0.
1172 2007-04-12 Richard Sandiford <richard@codesourcery.com>
1174 * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
1175 rather than loadgp_noshared.
1176 * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
1177 instead of gen_loadgp_noshared. Use gen_loadgp_newabi instead of
1179 * config/mips/mips.md (loadgp): Rename to...
1180 (loadgp_newabi): ...this.
1181 (loadgp_noshared): Rename to...
1182 (loadgp_absolute): ...this.
1184 2007-04-12 Richard Sandiford <richard@codesourcery.com>
1186 * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
1187 false for locally-binding symbols.
1188 (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
1190 2007-04-12 Richard Sandiford <richard@codesourcery.com>
1192 * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
1193 (SYMBOL_GOT_PAGE_OFST): ...this.
1194 (SYMBOL_GOT_GLOBAL): Rename to...
1195 (SYMBOL_GOT_DISP): ...this.
1196 (SYMBOL_GOTOFF_GLOBAL): Rename to...
1197 (SYMBOL_GOTOFF_DISP): ...this. Update comments accordingly.
1198 * config/mips/mips.c (mips_global_symbol_p): New function.
1199 (mips_symbol_binds_local_p): Likewise.
1200 (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
1201 and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST. Use mips_global_symbol_p
1202 and mips_symbol_binds_local_p.
1203 (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
1204 (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
1205 SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
1207 (mips_ok_for_lazy_binding_p): New function.
1208 (mips_load_call_address, mips_expand_call): Use it.
1209 (mips_dangerous_for_la25_p): Likewise.
1210 * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
1211 (*got_disp<mode>): Use got_disp_operand instead of
1212 global_got_operand. Use SYMBOL_GOTOFF_DISP instead of
1213 SYMBOL_GOTOFF_GLOBAL.
1214 (*got_page<mode>): Use got_page_ofst_operand instead of
1216 * config/mips/predicates.md (const_call_insn_operand): Use
1217 SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
1218 (global_got_operand): Rename to...
1219 (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
1221 (local_got_operand): Rename to...
1222 (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
1223 of SYMBOL_GOT_LOCAL.
1225 2007-04-12 Richard Sandiford <richard@codesourcery.com>
1227 * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
1228 TARGET_CALL_CLOBBERED_GP.
1229 (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1230 (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
1231 (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
1232 (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
1233 of TARGET_ABICALLS && !TARGET_NEWABI.
1234 (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1235 * config/mips/mips.c (mips_load_call_address): Check
1236 TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1237 (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1238 Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1239 (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
1240 TARGET_ABICALLS && TARGET_NEWABI.
1241 (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
1243 (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
1244 (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
1245 TARGET_ABICALLS && TARGET_NEWABI.
1246 (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
1247 TARGET_ABICALLS. Check TARGET_CALL_SAVED_GP instead of
1248 TARGET_NEWABI. Use TARGET_USE_PIC_FN_ADDR_REG to decide
1249 whether indirect calls must use $25.
1250 (mips_extra_live_on_entry): Check TARGET_GOT instead of
1252 * config/mips/mips.md (jal_macro): Check flag_pic and
1253 TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
1254 (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
1255 instead of TARGET_ABICALLS.
1256 (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
1257 TARGET_ABICALLS && TARGET_OLDABI.
1258 (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1259 (sibcall): In the comment above the define_insn, mention
1260 TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
1261 * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
1262 instead of TARGET_ABICALLS.
1264 2007-04-12 Bernd Schmidt <bernd.schmidt@analog.com>
1266 * doc/md.texi (Blackfin family constraints): Document PA and PB.
1267 * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
1268 (MACFLAGS_MATCH_P): New macro.
1269 * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
1270 (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
1271 * config/bfin/bfin.md (MACFLAG_IS_M): New constant. Renumber some of
1272 the other MACFLAG constants.
1273 (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
1274 (flag_machi): Tighten constraints. Renumber some of the operands.
1275 (flag_machi_acconly): Tighten constraints. Correct operand numbers in
1277 (flag_machi_parts_acconly): New pattern.
1278 (flag_macinithi): Tighten constraints. Allow any accumulator to be
1280 (flag_macinit1hi): Tighten constraints.
1281 (flag_mul_macv2hi_parts_acconly): New pattern.
1283 * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
1284 Use a more efficient implementation.
1285 * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
1286 inline sequences when not optimizing for size.
1288 * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
1289 movhi_high2low): Delete, merge functionality into...
1290 (packv2hi): ... this pattern.
1292 2007-02-11 Jie Zhang <jie.zhang@analog.com>
1293 * config/bfin/bfin.opt (msim): New option.
1294 (mcpu=): New option.
1295 * config/bfin/bfin-protos.h (enum bfin_cpu): New.
1296 (bfin_cpu_t): Typedef of enum bfin_cpu.
1297 (bfin_cpu_type): New declaration.
1298 * config/bfin/elf.h (STARTFILE_SPEC): Add support for
1299 -msim and -mcpu= options.
1300 (LIB_SPEC): Likewise.
1301 * config/bfin/bfin.c (bfin_cpu_type): Define.
1302 (bfin_handle_option): Handle -mcpu= option.
1303 * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
1304 (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
1305 __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
1307 2007-04-12 Richard Sandiford <richard@codesourcery.com>
1309 * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
1310 (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
1311 (powerpc-wrs-vxworksae): Use ${tm_file}.
1312 (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
1313 after elfos.h. Remove i386/sysv4.h and add i386/vx-common.h.
1314 * config/i386/vx-common.h: New file.
1316 2007-04-12 Richard Sandiford <richard@codesourcery.com>
1318 * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
1321 2007-04-12 Andreas Krebbel <krebbel1@de.ibm.com>
1323 * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
1326 2007-04-12 Douglas Gregor <doug.gregor@gmail.com>
1330 * c-common.c (c_build_qualified_type): Set canonical type
1333 2007-04-12 Richard Guenther <rguenther@suse.de>
1335 * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
1336 lower bound and element size if lower bound is not zero
1337 or either of the ARRAY_REF operands is set.
1339 2007-04-12 Richard Guenther <rguenther@suse.de>
1341 PR tree-optimization/24689
1342 PR tree-optimization/31307
1343 * fold-const.c (operand_equal_p): Compare INTEGER_CST array
1345 * gimplify.c (canonicalize_addr_expr): To be consistent with
1346 gimplify_compound_lval only set operands two and three of
1347 ARRAY_REFs if they are not gimple_min_invariant. This makes
1348 it never at this place.
1349 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
1351 2007-04-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1353 * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
1354 null before emitting a .nsubspa directive.
1356 2007-04-11 Diego Novillo <dnovillo@redhat.com>
1358 * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
1359 need_to_partition_p if there are no memory statements in the
1362 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
1364 * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
1365 (gcd_of_steps_may_divide_p): New function.
1366 (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
1368 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
1370 * reload.c (find_reloads_toplev, find_reloads_address,
1371 find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
1372 not a pointer equality test, to decide if we need to call
1373 push_reg_equiv_alt_mem.
1375 2007-04-11 Sebastian Pop <sebastian.pop@inria.fr>
1377 * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
1378 insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
1379 (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
1381 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
1383 * tree-data-ref.c (add_multivariate_self_dist): Force the distance
1384 vector to be positive.
1386 2007-04-11 Diego Novillo <dnovillo@redhat.com>
1390 * doc/invoke.texi: Document --params max-aliased-vops and
1392 * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
1393 debug_memory_partitions): Move to tree-flow.h
1394 * params.h (AVG_ALIASED_VOPS): Define.
1395 * tree-ssa-alias.c (struct mp_info_def): Remove. Update all
1397 (mp_info_t): Likewise.
1398 (get_mem_sym_stats_for): New.
1399 (set_memory_partition): Move from tree-flow-inline.h.
1400 (mark_non_addressable): Only clear the set of symbols for the
1401 partition if it exists.
1402 (dump_memory_partitions): Move from tree-ssa-operands.c
1403 (debug_memory_partitions): Likewise.
1404 (need_to_partition_p): New.
1405 (dump_mem_ref_stats): New.
1406 (debug_mem_ref_stats): New.
1407 (dump_mem_sym_stats): New.
1408 (debug_mem_sym_stats): New.
1409 (update_mem_sym_stats_from_stmt): New.
1410 (compare_mp_info_entries): New.
1411 (mp_info_cmp): Call it.
1412 (sort_mp_info): Change argument to a list of mem_sym_stats_t
1414 (get_mpt_for): Move from tree-ssa-operands.c.
1415 (find_partition_for): New.
1416 (create_partition_for): Remove.
1417 (estimate_vop_reduction): New.
1418 (update_reference_counts): New.
1419 (build_mp_info): New.
1420 (compute_memory_partitions): Refactor.
1421 Document new heuristic.
1422 Call build_mp_info, update_reference_counts,
1423 find_partition_for and estimate_vop_reduction.
1424 (compute_may_aliases): Populate virtual operands before
1425 calling debugging dumps.
1426 (delete_mem_sym_stats): New.
1427 (delete_mem_ref_stats): New.
1428 (init_mem_ref_stats): New.
1429 (init_alias_info): Call it.
1430 (maybe_create_global_var): Remove alias_info argument.
1431 Get number of call sites and number of pure/const call sites
1432 from gimple_mem_ref_stats().
1433 (dump_alias_info): Call dump_memory_partitions first.
1434 (dump_points_to_info_for): Show how many times a pointer has
1436 * opts.c (decode_options): For -O2 set --param
1437 max-aliased-vops to 500.
1438 For -O3 set --param max-aliased-vops to 1000 and --param
1439 avg-aliased-vops to 3.
1440 * fortran/options.c (gfc_init_options): Remove assignment to
1442 * tree-flow-inline.h (gimple_mem_ref_stats): New.
1443 * tree-dfa.c (dump_variable): Dump memory reference
1445 Dump NO_ALIAS* settings.
1446 (referenced_var_lookup): Tidy.
1447 (mem_sym_stats): New.
1448 * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
1449 and ORIG are different SSA names for a memory partition.
1450 * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
1451 * tree-flow.h (struct mem_sym_stats_d): Define.
1452 (mem_sym_stats_t): Define.
1453 (struct mem_ref_stats_d): Define.
1454 (struct gimple_df): Add field mem_ref_stats.
1455 (enum noalias_state): Define.
1456 (struct var_ann_d): Add bitfield noalias_state.
1457 (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
1458 debug_mem_ref_stats, debug_memory_partitions,
1459 debug_mem_sym_stats): Declare.
1460 * tree-ssa-structalias.c (update_alias_info): Update call
1461 sites, pure/const call sites and asm sites in structure
1462 returned by gimple_mem_ref_stats.
1463 Remove local variable IS_POTENTIAL_DEREF.
1464 Increase NUM_DEREFS if the memory expression is a potential
1466 Call update_mem_sym_stats_from_stmt.
1467 If the memory references memory, call
1468 update_mem_sym_stats_from_stmt for all the direct memory
1469 symbol references found.
1470 (intra_create_variable_infos): Set noalias_state field for
1471 pointer arguments according to the value of
1472 flag_argument_noalias.
1473 * tree-ssa-structalias.h (struct alias_info): Remove fields
1474 num_calls_found and num_pure_const_calls_found.
1475 (update_mem_sym_stats_from_stmt): Declare.
1476 * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
1477 Set default value to 100.
1478 (PARAM_AVG_ALIASED_VOPS): Define.
1480 2007-04-11 Richard Guenther <rguenther@suse.de>
1483 * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
1484 a * -b + c as c - a * b if we honor sign dependent rounding.
1486 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
1488 * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
1490 * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
1491 bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
1493 (initialize_trampoline): Don't use old-style function definition.
1494 (bfin_secondary_reload): Mark IN_P argument as unused.
1496 2007-04-10 Sebastian Pop <sebastian.pop@inria.fr>
1498 PR tree-optimization/31343
1499 * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
1500 (build_polynomial_chrec): Return a scalar when the evolution is zero.
1501 * testsuite/gcc.dg/vect/pr31343.c: New.
1503 2007-04-10 Eric Christopher <echristo@apple.com>
1505 * config/i386/i386.h (X87_FLOAT_MODE_P): New.
1506 * config/i386/i386.md (*cmpfp0): Use.
1507 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1508 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1509 (fix_trunc<mode>_i386_fisttp): Ditto.
1510 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1511 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1512 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1513 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1514 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1515 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1516 (unnamed_splitters): Ditto.
1517 * config/i386/i386.c (output_fix_trunc): Assert that
1518 we're not being passed a TFmode operand.
1520 2007-04-10 Zdenek Dvorak <dvorakz@suse.cz>
1522 PR tree-optimization/31526
1523 * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
1524 n_basic_blocks to find newly added blocks.
1526 2007-04-10 Uros Bizjak <ubizjak@gmail.com>
1528 * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
1530 (fix_trunc<mode>si_sse): Ditto.
1531 (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
1532 (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
1533 (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
1534 (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
1535 (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
1536 expander using SSEMODEF mode macro.
1537 (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
1538 expander using SSEMODEF mode macro.
1539 (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
1540 *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
1541 (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
1542 *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
1543 (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
1544 *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
1545 (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
1546 Macroize insn using X87MODEF mode macro.
1548 2007-04-09 H.J. Lu <hongjiu.lu@intel.com>
1550 * config/i386/sse.md (sse2_pinsrw): Removed.
1551 (sse2_pextrw): Renamed to ...
1552 (*sse2_pextrw): This.
1554 2007-04-09 Jan Hubicka <jh@suse.cz>
1557 * config/i386/sse.md
1558 (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
1559 (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
1560 (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
1561 (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
1563 2007-04-09 Jan Hubicka <jh@suse.cz>
1565 * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
1566 multiple fields of union.
1568 2007-04-09 Zdenek Dvorak <dvorakz@suse.cz>
1570 * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
1571 (create_preheaders): Check that loops are available.
1572 (fix_loop_structure): Clean up, improve comments.
1573 * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
1574 Check that loops are available. Set LOOP_CLOSED_SSA to the loops
1576 * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
1577 * predict.c (tree_estimate_probability): Do not call
1578 calculate_dominance_info. Call create_preheaders.
1579 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
1580 rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
1582 * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
1583 * cfgloop.h (LOOP_CLOSED_SSA): New constant.
1584 * tree-cfg.c (tree_split_edge): Make an assert more precise.
1585 * tree-ssa-threadedge.c (thread_across_edge): Comment the function
1588 2007-04-08 Jan Hubicka <jh@suse.cz>
1590 * tree.h (maybe_fold_offset_to_component_ref): Declare.
1591 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
1592 * fold-const.c (fold_unary): Use it.
1594 2007-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
1596 * varasm.c (assemble_variable): Remove call to
1597 lang_hooks.decls.prepare_assemble_variable.
1598 * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
1599 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
1600 * langhooks.h (lang_hooks_for_decls): Remove
1601 prepare_assemble_variable.
1603 2007-04-08 Mike Stump <mrs@apple.com>
1605 * config/i386/i386.c: Use inc/dec on Core2.
1607 2007-04-08 Steven Bosscher <steven@gcc.gnu.org>
1609 * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
1610 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
1611 lhd_tree_inlining_end_inlining): Remove.
1612 * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
1613 add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
1615 * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
1616 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
1617 lhd_tree_inlining_end_inlining): Remove prototypes.
1618 (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
1619 LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
1620 LANG_HOOKS_TREE_INLINING_START_INLINING,
1621 LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
1623 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
1626 2007-04-08 Anatoly Sokolov <aesok@post.ru>
1629 * config/avr/predicates.md (io_address_operand): Delete predicate.
1630 (low_io_address_operand): Don't use 'mode' argument.
1631 (higth_io_address_operand): Rename ...
1632 (high_io_address_operand): ... to this. Don't use 'mode' argument.
1633 * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
1636 2007-04-07 Daniel Berlin <dberlin@dberlin.org>
1638 Revert change removing staticp.
1640 2007-04-07 Anatoly Sokolov <aesok@post.ru>
1643 * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
1646 2007-04-07 Bruce Korb <bkorb@gnu.org>
1648 * c.opt: Add -Wformat-contains-nul.
1649 * c-format.c (set_Wformat): Set warn_format_contains_nul to the
1651 (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
1652 the NUL byte warning.
1654 2007-04-07 H.J. Lu <hongjiu.lu@intel.com>
1656 * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
1658 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
1660 * tree.c (staticp): No longer use staticp langhook.
1661 * langhooks.c (lhd_staticp): Removed.
1662 * langhooks.h (struct lang_hooks): Remove staticp.
1663 * c-common.c (c_staticp): Remove.
1664 * c-common.h (c_staticp): Ditto.
1665 * langhooks-defs.h (lhd_staticp): Ditto.
1666 (LHD_HOOKS_STATICP): Ditto
1667 * tree.h (gcc_assert_lowered): New macro.
1669 2007-04-06 Zdenek Dvorak <dvorakz@suse.cz>
1671 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
1672 argument "reliable".
1673 (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
1674 Add argument "reliable". Propagate it through calls.
1675 (infer_loop_bounds_from_undefined): Derive number of iterations
1676 estimates from references in blocks that do not dominate loop latch.
1677 (gcov_type_to_double_int): New function.
1678 (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
1679 and expected_loop_iterations_unbounded.
1680 * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
1681 (expected_loop_iterations): Use expected_loop_iterations_unbounded.
1682 * tree-data-ref.c (estimated_loop_iterations): Export.
1683 (get_references_in_stmt): Fix -- do not return addresses of local
1685 * cfgloop.h (expected_loop_iterations_unbounded,
1686 estimated_loop_iterations): Declare.
1688 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
1690 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
1692 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
1694 * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
1695 and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
1696 (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
1697 Use output_387_reg_move().
1698 (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
1699 expander using X87MODEF12 mode macro.
1700 (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
1701 choosing register preferences. Use output_387_reg_move().
1702 (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
1703 instead of "x". Use output_387_reg_move().
1704 (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
1705 *truncxfdf2_i387_noop. Macroize insn using X87MODEF12 mode macro.
1706 (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
1707 *truncxfdf2_i387. Macroize insn using X87MODEF12 mode macro.
1708 Use output_387_reg_move().
1709 (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
1711 (*truncxf?f_i387 splitter): Ditto.
1713 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
1715 * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
1716 LANG_HOOKS_SAFE_FROM_P.
1717 * expr.c (safe_from_p): Remove langhook call.
1718 * langhooks.h (lang_hooks): Remove safe_from_p.
1719 (lhd_safe_from_p): Remove prototype.
1720 * langhooks.c (lhd_safe_from_p): Remove.
1722 2007-04-06 Jan Hubicka <jh@suse.cz>
1724 * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
1727 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
1729 * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
1730 * config/i386/i386.md (*movsf_1, *movdf_nointeger,
1731 *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
1732 *movxf_integer): Use output_387_reg_move() for x87 reg->mem
1734 (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
1735 *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
1737 2007-04-05 Richard Henderson <rth@redhat.com>
1739 * config/alpha/alpha.c (print_operand) [+]: Remove.
1740 (alpha_end_function): Print nop if call at end of function.
1741 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
1742 * config/alpha/alpha.md (UNSPEC_LDGP1): New.
1743 (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
1744 (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
1745 (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
1746 the call pattern. Update peepholes to match.
1748 2007-04-05 Janis Johnson <janis187@us.ibm.com>
1750 * doc/extend.texi (Other Builtins): Add decimal float variants
1752 * builtins.def: Ditto.
1753 * builtins.c (expand_builtin): Ditto.
1755 2007-04-05 Uros Bizjak <ubizjak@gmail.com>
1756 H.J. Lu <hongjiu.lu@intel.com>
1759 * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
1760 of V8HImode when calling ix86_binary_operator_ok.
1761 (sse2_pmaddwd): Call ix86_binary_operator_ok.
1762 (sdot_prodv8hi): Operands 1 and 2 must be register.
1764 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
1766 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
1767 initialize align to silence bogus warning.
1769 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
1772 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
1774 (struct sra_walk_fns): Remove use_all parameter from use.
1775 (sra_hash_tree): Handle BIT_FIELD_REFs.
1776 (sra_elt_hash): Don't hash bitfld blocks.
1777 (sra_elt_eq): Skip them in parent compares as well. Handle
1779 (sra_walk_expr): Don't maintain or pass down use_all_p.
1780 (scan_use): Remove use_all parameter.
1781 (scalarize_use): Likewise. Re-expand assignment to
1782 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
1783 output, and re-scalarize after output. Don't mark anything
1785 (scalarize_ldst): Adjust.
1786 (scalarize_walk_gimple_modify_statement): Likewise.
1787 (build_element_name_1): Handle BIT_FIELD_REFs.
1788 (instantiate_element): Don't warn for any element whose parent
1790 (instantiate_missing_elements_1): Return the sra_elt.
1791 (canon_type_for_field): New.
1792 (try_instantiate_multiple_fields): New.
1793 (instantiate_missing_elemnts): Use them.
1794 (mark_no_warning): Removed.
1795 (generate_one_element_ref): Handle BIT_FIELD_REFs.
1796 (REPLDUP, sra_build_elt_assignment): New.
1797 (generate_copy_inout): Use them.
1798 (generate_element_copy): Likewise. Handle bitfld differences.
1799 (generate_element_zero): Don't recurse for blocks. Use
1800 sra_build_elt_assignment.
1801 (generate_one_element_int): Take elt instead of var. Use
1802 sra_build_elt_assignment.
1803 (generate_element_init_1): Adjust.
1804 (scalarize_use, scalarize_copy): Use REPLDUP.
1805 (scalarize_ldst): Move assert before dereference.
1806 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
1808 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
1810 * regmove.c: Fix unused variable warnings due to previous commit.
1812 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
1814 * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
1815 (regmove_bb_head): Remove.
1816 (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
1817 (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
1818 problems with fixup_match_1.
1819 Don't initialize/free regmove_bb_head.
1821 (reg_is_remote_constant_p): If an insn is in the same basic block
1822 but not before INSN, consider it remote, too.
1824 2007-04-05 Anatoly Sokolov <aesok@post.ru>
1827 * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
1828 DECL_ASSEMBLER_NAME, not the DECL_NAME.
1830 2007-04-05 H.J. Lu <hongjiu.lu@intel.com>
1832 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
1833 (CONDITIONAL_REGISTER_USAGE): Likewise.
1835 2007-04-04 Richard Henderson <rth@redhat.com>
1837 * config/alpha/lib1funcs.asm: Remove unused file.
1839 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
1842 * opts.c (print_specific_help): Fix --help=<language>
1844 (common_handle_option): Support --help=common.
1846 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
1849 * gcc.c (main): Do not run the linker if
1850 print_subprocess_help indicates that it shouldn't be
1853 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
1856 * doc/invoke.texi (--help=): Document <languages> value, fix
1857 formatting in tables of values.
1859 2007-04-04 Danny Smith <dannysmith.users.sourceforge.net>
1861 * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
1862 dllimport attribute of virtual methods.
1864 2007-04-04 Chen Liqin <liqin@sunnorth.com.cn>
1866 * config/score/crti.asm: Change _bss_start to __bss_start.
1867 * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
1868 (OUTGOING_REG_PARM_STACK_SPACE) update.
1869 * config/score/score.opt: add options to make backend support
1870 score5, score5u, score7 and score7d.
1871 * config/score/score.md: Likewise.
1872 * config/score/misc.md: Likewise.
1873 * config/score/mac.md: Likewise.
1874 * doc/invoke.texi: Likewise.
1875 * doc/md.texi: update constraints define.
1877 2007-04-03 Richard Henderson <rth@redhat.com>
1879 * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
1880 an appropriate type, use the mode instead.
1882 2007-04-03 Richard Sandiford <richard@codesourcery.com>
1884 * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
1885 Set the default --with-arch setting to mips2.
1886 * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
1887 (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
1888 (MULTILIB_OSDIRNAMES): Delete.
1889 (MULTILIB_DIRNAMES): Define.
1890 * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
1891 (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
1892 (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
1893 definitions, except for _WRS_R3K_EXC_SUPPORT. Call
1894 VXWORKS_OS_CPP_BUILTINS.
1895 (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
1896 (MIPS_DEBUGGING_INFO): Undefine.
1897 (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
1899 2007-04-03 Jakub Jelinek <jakub@redhat.com>
1902 * fold-const.c (native_encode_real): Encode real.c provided longs
1903 as a series of 32-bit native integers.
1904 (native_interpret_real): Interpret buffer as a series of 32-bit
1907 2007-04-03 Richard Guenther <rguenther@suse.de>
1909 * genpreds.c (write_insn_constraint_len): Write function
1910 optimized for CONSTRAINT_LEN implementation.
1911 (write_tm_preds_h): Output insn_constraint_len inline and
1912 use it for CONSTRAINT_LEN.
1913 (write_insn_preds_c): Don't output insn_constraint_len.
1914 * doc/md.texi (define_register_constraint): Document multi-letter
1915 constraints shall have the same length if they start with the same
1918 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
1921 * config/i386/i386.md (isinf<mode>2): Expand only when
1922 TARGET_C99_FUNCTIONS is set.
1924 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
1926 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
1927 (x86_64-*-linux*): Ditto.
1928 * config/i386/i386.opt (mpc): New option.
1929 * config/i386/i386.c (overrride_options): Handle
1930 ix87_precision_string.
1931 * config/i386/crtprec.c: New file.
1932 * config/i386/t-crtpc: Ditto.
1933 * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
1935 * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
1936 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
1937 crtprec32.o, crtprec64.o and crtprec80.o.
1939 * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
1941 (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
1943 2007-04-02 Eric Christopher <echristo@apple.com>
1945 * doc/invoke.texi (i386 and x86-64 Options): Document -m64
1946 limitations on darwin.
1948 2007-04-02 Anatoly Sokolov <aesok@post.ru>
1951 * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
1953 2007-04-02 Dave Korn <dave.korn@artimi.com>
1955 * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
1957 2007-04-02 Dave Korn <dave.korn@artimi.com>
1959 * libgcc2.h (exception_descriptor): Don't forward-declare.
1960 (__get_eh_table_language, __get_eh_table_version): Delete
1961 prototypes of long-dead functions.
1963 2007-04-01 Daniel Berlin <dberlin@dberlin.org>
1965 * ebitmap.h: New file
1966 * ebitmap.c: New file
1967 * Makefile.in (ebitmap.o): New target.
1969 2007-04-01 Jan Hubicka <jh@suse.cz>
1971 * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
1972 before very first instruction.
1974 2007-04-01 Jan Hubicka <jh@suse.cz>
1976 * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
1977 waring on 64bit hosts.
1978 * bitmap.h: Fix typo in bitmap_head_def.
1980 2007-04-01 Steven Bosscher <steven@gcc.gnu.org>
1982 PR rtl-optimization/31391
1983 * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
1984 into a DELETED_LABEL note, and the label is in an empty basic
1985 block, update BB_END as well as BB_HEAD.
1987 2007-04-01 Richard Henderson <rth@redhat.com>
1989 PR tree-optimization/31169
1990 * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
1991 to varying if the range is outside [0, prec-1].
1993 2007-04-01 Richard Sandiford <richard@codesourcery.com>
1996 * config/mips/mips.md (load_const_gp): New insn.
1997 * config/mips/mips.c (mips_split_symbol): Avoid using or creating
1998 the MIPS16 GP pseudo register if no_new_pseudos.
1999 (mips16_gp_pseudo_reg): Use gen_load_const_gp.
2001 2007-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
2004 * config/rs6000/rs6000.md (call): Convert to LR hard reg for
2006 (call_value): Likewise.
2008 2007-03-31 Wolfgang Bangerth <bangerth@dealii.org>
2009 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2012 * doc/invoke.texi: (optimization options): Reword description
2013 of -ffast-math. Document its primary purpose.
2015 2007-03-31 Richard Guenther <rguenther@suse.de>
2017 * omp-low.c (splay-tree.h): Include.
2018 (lookup_decl): Replace splay-tree usage by pointer-map.
2019 (maybe_lookup_decl): Likewise.
2020 (new_omp_context): Likewise.
2021 (delete_omp_context): Likewise.
2022 * gimplify.c (splay-tree.h): Include.
2023 * tree-inline.c (insert_decl_map): Replace splay-tree usage by
2025 (remap_ssa_name): Likewise.
2026 (remap_decl): Likewise.
2027 (remap_type_1): Likewise.
2028 (remap_type): Likewise.
2029 (copy_body_r): Likewise.
2030 (expand_call_inline): Likewise.
2031 (clone_body): Likewise.
2032 (copy_tree_r): Likewise.
2033 (remap_save_expr): Likewise.
2034 (unsave_r): Likewise.
2035 (unsave_expr_now): Likewise.
2036 (tree_function_versioning): Likewise.
2037 (build_duplicate_type): Likewise.
2038 * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
2039 (struct copy_body_data): Replace splay-tree by pointer-map.
2040 * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
2041 not $(SPLAY_TREE_H).
2042 (gimplify.o): Depend on $(SPLAY_TREE_H).
2043 (omp-low.p): Likewise.
2045 2007-03-31 Anatoly Sokolov <aesok@post.ru>
2047 * config/avr/predicates.md (even_register_operand,
2048 odd_register_operand): New predicates.
2049 * config/avr/avr.md (movw peephole2): New.
2050 (movw_r peephole2): New.
2052 2007-03-30 Rafael Avila de Espindola <espindola@google.com>
2054 * tree.h (get_signed_or_unsigned_type): New.
2055 * fold-const.c (operand_equal_for_comparison_p): Use
2056 get_signed_or_unsigned_type instead of
2057 lang_hooks.types.signed_or_unsigned_type.
2058 * expr.c (store_expr): Ditto.
2059 * langhooks.c (get_signed_or_unsigned_type): New.
2060 (lhd_signed_or_unsigned_type): New.
2061 * langhooks.h (lhd_signed_or_unsigned_type): New.
2062 * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
2064 2007-03-30 Richard Henderson <rth@redhat.com>
2066 * tree-ssa-loop-ivopts.c: Include target.h.
2067 (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
2068 (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
2069 (force_expr_to_var_cost): Use produce_memory_decl_rtl.
2070 * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
2072 2007-03-30 Richard Henderson <rth@redhat.com>
2073 Kai Tietz <kai.tietz@onevision.com>
2075 * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
2077 (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
2078 (TARGET_64BIT_MS_ABI): New.
2079 (DBX_REGISTER_NUMBER): Handle 64-bit.
2080 (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
2081 (LONG_TYPE_SIZE): Force to 32.
2082 (REG_PARM_STACK_SPACE): New.
2083 (OUTGOING_REG_PARM_STACK_SPACE): New.
2084 (REGPARM_MAX, SSE_REGPARM_MAX): New.
2085 (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2086 (STACK_BOUNDARY): Use 128 for 64-bit.
2087 * config/i386/cygwin.asm: Use push/ret to preserve call stack.
2088 Add 64-bit implementation.
2089 * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
2091 * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
2092 (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
2093 Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
2094 for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
2095 (ix86_handle_cconv_attribute): Don't warn when ignoring if
2096 TARGET_64BIT_MS_ABI.
2097 (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
2098 (ix86_pass_by_reference): Likewise.
2099 (ix86_function_value_regno_p): Likewise.
2100 (ix86_build_builtin_va_list): Likewise.
2101 (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2102 (function_arg_advance_ms_64): New.
2103 (function_arg_advance): Call it.
2104 (function_arg_ms_64): New.
2105 (function_arg): Call it.
2106 (function_value_ms_64): New.
2107 (ix86_function_value_1): Call it.
2108 (return_in_memory_ms_64): New.
2109 (ix86_return_in_memory): Call it.
2110 (setup_incoming_varargs_ms_64): New.
2111 (ix86_setup_incoming_varargs): Call it.
2112 (ix86_expand_prologue): Handle 64-bit stack probing.
2113 (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
2114 (output_pic_addr_const): Likewise.
2115 (x86_this_parameter): Likewise.
2116 (x86_output_mi_thunk): Likewise.
2117 (x86_function_profiler): Likewise.
2118 (TARGET_STRICT_ARGUMENT_NAMING): New.
2119 * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
2120 (TARGET_64BIT_MS_ABI): New.
2121 (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
2122 * config/i386/i386.md (allocate_stack_worker): Remove.
2123 (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
2124 describe the clobber of eax without a match_scratch.
2125 (allocate_stack_worker_postreload): Remove.
2126 (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
2127 describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
2128 (allocate_stack_worker_rex64_postreload): Remove.
2129 (allocate_stack): Handle 64-bit.
2130 * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
2131 * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
2132 (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
2133 (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
2134 (STANDARD_STARTFILE_PREFIX_1): Likewise.
2135 * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
2136 * config.build (x86_64-*-mingw*): New host.
2137 * config.host (x86_64-*-mingw*): New host.
2138 * config.gcc (x86_64-*-mingw*): New target.
2139 * gthr-win32.h (__gthread_key_create): Mark dtor unused.
2141 2007-03-30 Richard Henderson <rth@redhat.com>
2142 Kai Tietz <kai.tietz@onevision.com>
2144 * c-pragma.c (struct def_pragma_macro_value): New.
2145 (struct def_pragma_macro): New.
2146 (pushed_macro_table): New.
2147 (dpm_hash, dpm_eq): New.
2148 (handle_pragma_push_macro, handle_pragma_pop_macro): New.
2149 (init_pragma): Install them.
2150 * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2152 2007-03-30 Anatoly Sokolov <aesok@post.ru>
2154 * config/avr/avr.c (avr_override_options): Clear
2155 'flag_delete_null_pointer_checks'.
2157 2007-03-30 Paolo Carlini <pcarlini@suse.de>
2160 * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
2161 RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
2162 RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
2163 RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
2164 RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
2165 RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
2166 RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
2168 * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
2170 2007-03-30 Steven Bosscher <steven@gcc.gnu.org>
2172 * regmove.c: Move all of pass_stack_adjustments from here...
2173 * combine-stack-adj.c: ...to this new file.
2174 * Makefile.in: Add rules for combine-stack-adj.o.
2176 2007-03-30 Zdenek Dvorak <dvorakz@suse.cz>
2178 PR tree-optimization/31383
2179 * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
2180 to have the same length.
2182 2007-03-30 Jan Hubicka <jh@suse.cz>
2185 * dwarf2out.c (reference_to_unused): Ask cgraph for functions
2186 availablility; add more sanity checking; ask varpool only about
2189 2007-03-29 Richard Henderson <rth@redhat.com>
2191 * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
2192 to decide, but __SIZEOF_LONG_LONG__.
2194 2007-03-29 Richard Henderson <rth@redhat.com>
2196 * emutls.c (struct __emutls_array): New.
2197 (emutls_destroy): Use it instead of casting element 0 from void*.
2198 (__emutls_get_address): Likewise.
2200 2007-03-29 Richard Henderson <rth@redhat.com>
2202 * varasm.c (initializer_constant_valid_p): Don't deny
2203 DECL_DLLIMPORT_P on functions.
2205 * config/i386/cygming.h: Remove function declarations.
2206 (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
2207 (ASM_OUTPUT_LABELREF): Remove.
2208 (COMMON_ASM_OP): Remove.
2209 (ASM_OUTPUT_COMMON): Remove.
2210 (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
2211 (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
2212 (ASM_DECLARE_FUNCTION_NAME): Likewise.
2213 * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
2214 Rename from TARGET_ENCODE_SECTION_INFO.
2215 * config/i386/netware.h: Likewise.
2216 * config/i386/i386-protos.h: Update.
2217 * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
2218 of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
2219 (legitimate_constant_p): Reject dllimports.
2220 (dllimport_map, get_dllimport_decl): New.
2221 (legitimize_dllimport_symbol): New.
2222 (legitimize_address, ix86_expand_move): Use it.
2223 (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
2224 * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
2225 (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
2226 (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
2227 * config/i386/predicates.md (constant_call_address_operand): Only
2228 accept symbols; reject dllimport_p symbols.
2229 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
2230 i386_pe_maybe_record_exported_symbol.
2231 * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
2232 (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
2233 (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
2234 trust the setting of DECL_DLLIMPORT_P.
2235 (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
2236 (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
2237 (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
2238 tidy the argument scanning loop.
2239 (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
2240 SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
2241 (i386_pe_strip_name_encoding): Remove.
2242 (i386_pe_binds_local_p): New.
2243 (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
2244 (i386_pe_output_labelref): Remove.
2245 (i386_pe_asm_output_aligned_decl_common): New.
2246 (i386_pe_maybe_record_exported_symbol): Rename from
2247 i386_pe_record_exported_symbol; check for dllexported symbols.
2249 2007-03-29 Zack Weinberg <zack@mrtock.ucsd.edu>
2251 * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
2252 add comment explaining why vsnprintf cannot be used.
2254 2007-03-29 Douglas Gregor <doug.gregor@gmail.com>
2256 PR tree-optimization/30666
2257 * tree.c (build_complex_type): When creating type names for DWARF2
2258 debug info, create TYPE_DECLs for TYPE_NAME instead of
2260 (build_common_tree_nodes_2): Use build_complex_type when building
2261 predefined complex types, to preserve canonical types.
2263 2007-03-29 Steven Bosscher <steven@gcc.gnu.org>
2265 * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
2266 (noce_get_alt_condition): Look at it to determine whether to
2267 reverse the condition or not.
2268 (noce_get_condition): Substitute the truth for lies.
2269 (noce_find_if_block): Set the then_else_reversed field.
2271 2007-03-29 Lars Poeschel <larsi@wh2.tu-dresden.de>
2273 * config/fr30/fr30.md (movdi): Do not accept immediates as the
2274 destination of this insn.
2275 * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
2276 than calling gen_rtx_SET directly. Use r0 to hold the value of
2277 'address + 4' rather than a stack based temporary which can be
2280 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2282 * config/s390/s390.c (s390_secondary_input_reload_class,
2283 s390_secondary_output_reload_class): Functions removed.
2284 (s390_secondary_reload): New function.
2285 (TARGET_SECONDARY_RELOAD): Target macro defined.
2286 * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
2287 SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
2288 * config/s390/s390.md ("reload_outti", "reload_outdi",
2289 "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
2290 "reload_out<mode>"): Expanders removed.
2291 ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
2292 "reload<mode>_nonoffmem_out"): Expanders added.
2294 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2296 * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
2297 SRC->DEST replacement failed anyway.
2299 2007-03-28 Mike Stump <mrs@apple.com>
2301 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
2302 * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
2303 * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
2305 2007-03-28 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
2307 * config.gcc: Accept barcelona as a variant of amdfam10.
2308 * config/i386/i386.c (override_options): Likewise.
2309 * doc/invoke.texi: Likewise.
2311 2007-03-28 Eric Botcazou <ebotcazou@adacore.com>
2313 * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
2314 offsets for BIT_FIELD_REF and COMPONENT_REF.
2316 2007-03-28 Richard Guenther <rguenther@suse.de>
2318 * tree.c (is_global_var): Move ...
2319 * tree-flow-inline.h (is_global_var): ... here.
2320 * tree.h (is_global_var): Remove declaration.
2322 2007-03-28 Uros Bizjak <ubizjak@gmail.com>
2324 * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
2326 (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
2327 * config/i386/i386.c (ix86_tune_features): Initialize new
2329 * config/i386/predicates.md (promotable_binary_operator): Use
2330 TARGET_TUNE_PROMOTE_HIMODE_IMUL.
2332 2007-03-28 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
2335 * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
2337 2007-03-28 Lars Poeschel <larsi@wh2.tu-dresden.de>
2339 * config/fr30/fr30.md (movsi_internal): Change destination
2340 constraint from m to V and add m to the end.
2342 2007-03-28 Christian Bruel <christian.bruel@st.com>
2344 * config/sh/sh.md (movsi_i): Fix type attribute.
2346 2007-03-28 Christian Bruel <christian.bruel@st.com>
2348 * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
2349 (movsf_ie): Likewise.
2351 2007-03-28 Christian Bruel <christian.bruel@st.com>
2353 * config.gcc: Add sh4-300 to multilib.
2354 * config/sh/t-mlib-sh4-300: New file.
2356 2007-03-28 Andreas Krebbel <krebbel1@de.ibm.com>
2358 * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
2359 ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
2361 ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
2362 fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
2363 ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
2364 "fixuns_trunctddi2"): Whitespace fix.
2366 2007-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2368 * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
2369 the definition of struct sh_args.
2370 (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
2371 CALL_COOKIE_INT_REG_GET): Likewise.
2373 2007-03-28 Steven Bosscher <steven@gcc.gnu.org>
2375 * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
2376 transformations are applied successfully.
2378 2007-03-27 Douglas Gregor <doug.gregor@gmail.com>
2380 * tree.c (tree_contains_struct): Permit 512 tree codes.
2381 * tree.h (tree_contains_struct): Ditto.
2382 (MAX_TREE_CODES): Ditto.
2383 (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
2384 SPARE member to store remaining padding bits.
2386 2007-03-27 Anatoly Sokolov <aesok@post.ru>
2388 * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
2391 2007-03-27 Janis Johnson <janis187@us.ibm.com>
2393 * configure.ac: Fix assembler test for powerpc*-linux decimal float.
2394 * configure: Regenerate.
2396 * configure: Regenerate using the correct version of autoconf.
2398 2007-03-27 Anatoly Sokolov <aesok@post.ru>
2400 * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
2402 * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
2403 regs to "__SP_L__" and "__SP_H__".
2405 2007-03-27 Richard Guenther <rguenther@suse.de>
2407 * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
2408 computations with it with a HOST_WIDE_INT variable.
2410 2007-03-26 Mike Stump <mrs@apple.com>
2412 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
2413 objective-c-header, objective-c++-header and objc++-cpp-output
2415 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
2417 2007-03-26 Richard Henderson <rth@redhat.com>
2420 * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
2421 IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
2422 IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
2423 IX86_BUILTIN_PSRLQ128): New.
2424 (ix86_init_mmx_sse_builtins): Add them.
2425 (ix86_expand_builtin): Expand them.
2426 * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
2427 operand 2 be TImode.
2428 * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
2429 _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
2430 _mm_srli_epi64): Mark __B const.
2431 (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
2432 (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
2433 _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
2434 new two-vector shift builtins.
2436 2007-03-26 Ian Lance Taylor <iant@google.com>
2438 PR tree-optimization/31345
2439 * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
2440 [+INF, +INF(OVF)] into VARYING.
2442 2007-03-26 Zack Weinberg <zackw@panix.com>
2444 * gengtype-parse.c: New file.
2445 * gengtype-yacc.y: Delete.
2446 * gengtype-lex.l: Don't include gengtype-yacc.h.
2447 Define YY_DECL and yyterminate appropriately for recursive
2448 descent parser. yylval is now a string out-parameter to yylex.
2449 (HWS, EOID): New shorthand.
2450 (IWORD): Add a couple more types.
2451 (yylex): Add a setup stanza. Remove the complex rules for
2452 detecting GTY'ed types and typedefs; replace with simple
2453 keyword detectors. Adjust everything for the changed
2454 definition of yylval. Ignore all pp-directives, not just #define.
2456 (parse_file): Rename yybegin; do not call yyparse.
2458 * gengtype.c (xasprintf): Export again.
2459 (this_file): New. Use everywhere __FILE__ was being used.
2460 (get_lang_bitmap): Special case types defined in gengtype.c.
2461 (do_typedef, new_structure): Suppress definition of certain types.
2462 (new_structure): Improve diagnostics of duplicate definitions.
2463 Make sure location_s is associated with input.h.
2464 (nreverse_pairs, define_location_structures): New functions.
2465 (main): Improve tagging of kludge types. Remove old kludges
2466 for input.h types; use define_location_structures.
2467 * gengtype.h: Update prototypes. Define token codes here.
2468 * Makefile.in: Remove all references to gengtype-yacc.
2469 Add rules for gengtype-parse.o. Adjust rules for gengtype-lex.o
2471 * bitmap.h (struct bitmap_head_def): Coalesce definitions,
2472 add GTY((skip)) to the field that's only conditionally there.
2473 * doc/install.texi: Document that Bison is no longer required
2474 unless building treelang.
2476 * gengtype.c: Don't include gtyp-gen.h.
2477 (srcdir): Declare here.
2478 (base_files, lang_dir_names): Allocate dynamically.
2479 (gt_files, num_gt_files, num_lang_dirs): New globals.
2480 (measure_input_list, read_input_line, read_input_list)
2481 (set_lang_bitmap): New functions.
2482 (get_base_file_bitmap): Rename get_lang_bitmap and drastically
2483 simplify, relying on read_input_list to set up the bitmaps.
2484 (main): Arguments are no longer unused. Check for correct number
2485 of command line arguments, set srcdir and srcdir_len, then call
2486 read_input_list, before doing anything else. No need to worry
2487 about duplicates in main loop.
2488 * configure.ac: Simplify the calculation of all_gtfiles.
2489 Put language tags in there. Don't set or substitute
2490 all_gtfiles_files_langs or all_gtfiles_files_frags.
2491 * Makefile.in: Revamp the way gengtype is invoked, now that it
2492 takes a file on its command line with a much simpler format.
2493 Remove or replace with gtyp-input.list all references to gtyp-gen.h.
2494 (GTFILES): Remove duplicates and C source files.
2495 * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
2496 * objcp/config-lang.in: Add c-pragma.h to gtfiles.
2497 * configure: Regenerate.
2499 * gengtype.h: Remove all type definitions to gengtype.c; leave
2500 only definitions of options_p, type_p, and pair_p as opaque
2501 pointers. Update prototypes.
2502 * gengtype.c: Many type definitions moved here from gengtype.h.
2503 Consolidate type definitions at the top of the file.
2504 (xvasprintf): Delete.
2505 (xasprintf): Make static.
2506 (create_nested_pointer_option): Add 'next' parameter.
2507 (create_field_all, create_field_at): New functions.
2508 (create_field): Now a thin wrapper around create_field_all.
2509 (create_optional_field): Rename create_optional_field_ and add
2510 line argument. Original name is now a macro which supplies
2512 (oprintf): Use vsnprintf directly.
2513 (close_output_files): Use fatal rather than perror/exit.
2514 (note_def_vec, note_def_vec_alloc): Use create_field_at.
2515 (main): Set progname. Don't use exit.
2516 * gengtype-yacc.y (struct_fields): Use create_field_at.
2517 (option, optionseqopt): Delete.
2518 (optionseq): Consolidate productions from option here so we
2519 can use the first argument to create_option.
2521 * gengtype-lex.l: Distinguish unions from structures in the
2522 token type. Don't call find_structure; return the tag as a string.
2523 * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
2524 Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
2525 Reorganize typedef_struct production accordingly.
2526 Use create_nested_ptr_option.
2527 * gengtype.c (create_nested_ptr_option): New function.
2528 * gengtype.h: Declare it.
2530 * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
2531 (string_type): Don't declare.
2532 (do_scalar_typedef): Declare.
2533 (create_scalar_type): Update prototype.
2534 * gengtype.c (string_type): Make static.
2535 (scalar_nonchar, scalar_char): New.
2536 (do_scalar_typedef): Export. Always use scalar_nonchar for the type.
2537 (resolve_typedef): Use scalar_nonchar for error recovery.
2538 (create_scalar_type): Remove name_len field. Return scalar_char
2539 or scalar_nonchar as appropriate.
2540 (adjust_field_type): Look at scalar_is_char boolean to decide whether
2542 (throughout): Use scalar_nonchar instead of calling create_scalar_type,
2544 (main): Initialize scalar_char and scalar_nonchar before calling
2546 * gengtype-lex.l: Adjust for removal of second argument to
2547 create_scalar_type. Use yylval.s instead of yylval.t when
2549 * gengtype-yacc.y: Type of SCALAR is string. Call
2550 create_scalar_type from type:SCALAR rule. Adjust for removal of
2551 second argument to create_scalar_type.
2553 * vec.h: Remove all #if IN_GENGTYPE blocks.
2554 Add comment saying that changes may require adjustments to gengtype.
2555 * gengtype.c: Don't include coretypes.h or tm.h.
2556 Add comment to inclusion of errors.h.
2557 (note_def_vec, note_def_vec_alloc): New functions.
2558 * gengtype.h: Declare new functions.
2559 * gengtype-lex.l: Don't include coretypes.h.
2560 (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
2562 (update_lineno): Remove unnecessary prototype.
2563 (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
2564 (VEC rule): Just return VEC_TOKEN.
2565 * gengtype-yacc.y (VEC_TOKEN): New token type.
2566 (type): Add a production for VEC(a,b).
2567 * Makefile.in: Update dependencies.
2569 * gengtype-lex.l: Remove rules for parsing pointer-to-function
2570 typedefs that use the old PARAMS macro.
2572 * gengtype-lex.l: Remove all rules and states relating to yacc
2574 * gengtype-yacc.y: Similarly.
2575 * gengtype.c (note_yacc_type): Delete function.
2576 * gengtype.h: Update prototypes.
2578 2007-03-26 Joseph Myers <joseph@codesourcery.com>
2580 * tree-pretty-print.c (dump_generic_node): Report precision of
2581 unnamed integer types.
2583 2007-03-26 Steven Bosscher <steven@gcc.gnu.org>
2585 * ifcvt.c (noce_try_store_flag_constants): Don't check
2586 no_new_pseudos here.
2587 (noce_try_store_flag_constants): Don't check no_new_pseudos.
2588 (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
2589 noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
2590 noce_try_sign_mask): Likewise.
2591 (if_convert): Check no_new_pseudos here.
2593 (cond_exec_process_if_block, noce_process_if_block, find_if_block):
2595 (struct noce_if_info): Add then_bb, else_bb, join_bb members.
2596 (noce_get_condition): Handle new then_else_reversed argument.
2597 (noce_init_if_info): Remove, fold into noce_find_if_block.
2598 (noce_process_if_block): Take a struct noce_if_info as the
2599 argument. Don't set up one based on ce_if_info. Update pointer
2600 references accordingly.
2601 (cond_move_process_if_block): Likewise.
2602 (process_if_block): Removed.
2603 (find_if_block): Removed. Move functionality two new functions,
2604 noce_find_if_block and cond_exec_find_if_block.
2605 (noce_find_if_block): New function. Be aware of IF-THEN-JOIN
2606 blocks and the symmetric IF-ELSE-JOIN case.
2607 (cond_exec_find_if_block): Also new function mostly based on old
2608 find_if_block and process_if_block.
2609 (find_if_header): Replace find_if_block call with separately
2610 guarded calls to noce_find_if_block and cond_exec_find_if_block.
2611 (find_cond_trap): Update noce_get_condition call.
2612 (dead_or_predicable): Likewise.
2614 2007-03-26 Jakub Jelinek <jakub@redhat.com>
2616 * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
2618 (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
2619 IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
2620 IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
2621 (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
2622 v4si_ftype_v4si_v2di. Remove __builtin_ia32_psllw128,
2623 __builtin_ia32_pslld128, __builtin_ia32_psllq128,
2624 __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
2625 __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
2626 __builtin_ia32_psrad128 builtins.
2628 2007-03-26 Uros Bizjak <ubizjak@gmail.com>
2630 * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
2631 * config/i386/constraints.md
2632 (define_constraint "I"): Use IN_RANGE macro.
2633 (define_constraint "J"): Ditto.
2634 (define_constraint "K"): Ditto.
2635 (define_constraint "M"): Ditto.
2636 (define_constraint "N"): Ditto.
2637 (define_constraint "O"): Ditto.
2638 * config/i386/predicates.md
2639 (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
2640 (define_predicate "const_0_to_3_operand"): Ditto.
2641 (define_predicate "const_0_to_7_operand"): Ditto.
2642 (define_predicate "const_0_to_15_operand"): Ditto.
2643 (define_predicate "const_0_to_63_operand"): Ditto.
2644 (define_predicate "const_0_to_255_operand"): Ditto.
2645 (define_predicate "const_1_to_31_operand"): Ditto.
2646 (define_predicate "const_2_to_3_operand"): Ditto.
2647 (define_predicate "const_4_to_7_operand"): Ditto.
2649 2007-03-25 David Edelsohn <edelsohn@gnu.org>
2651 * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
2652 in SImode for save_world.
2653 * config/rs6000/altivec.md (save_world, restore_world): Convert to
2656 2007-03-25 Dorit Nuzman <dorit@il.ibm.com>
2658 PR tree-optimization/30784
2659 * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
2662 2007-03-25 Revital Eres <eres@il.ibm.com>
2664 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
2665 Fold movement_possibility function into it.
2667 2007-03-25 David Edelsohn <edelsohn@gnu.org>
2669 * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
2670 (load_macho_picbase_{si,di}): Convert to LR hard reg.
2671 (call_indirect_nonlocal_darwin64): Same.
2672 (call_nonlocal_darwin64): Same.
2673 (call_value_indirect_nonlocal_darwin64): Same.
2674 (call_value_nonlocal_darwin64): Same.
2675 (sibcall_nonlocal_darwin64): Same.
2676 (sibcall_value_nonlocal_darwin64): Same.
2677 (sibcall_symbolic_64): Same.
2678 (sibcall_value_symbolic_64): Same.
2679 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
2681 (rs6000_emit_load_toc_table): Same.
2682 * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
2683 * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
2689 (load_toc_v4_pic_si): Same
2690 (load_toc_v4_PIC_1): Same.
2691 (load_toc_v4_PIC_1b): Same.
2692 (call_indirect_aix{32,64}): Same.
2693 (call_value_indirect_aix{32,64}): Same.
2696 (call_local{32,64}): Same.
2697 (call_value_local{32,64}): Same.
2698 (call_indirect_nonlocal_aix{32,64}): Same.
2699 (call_nonlocal_aix{32,64}): Same.
2700 (call_value_indirect_nonlocal_aix{32,64}): Same.
2701 (call_value_nonlocal_aix{32,64}): Same.
2702 (call_indirect_nonlocal_sysv<mode>): Same.
2703 (call_nonlocal_sysv<mode>): Same.
2704 (call_value_indirect_nonlocal_sysv<mode>): Same.
2705 (call_value_nonlocal_sysv<mode>): Same.
2707 (sibcall_local{32,64}): Same.
2708 (sibcall_value_local{32,64}): Same.
2709 (sibcall_nonlocal_aix{32,64}): Same.
2710 (sibcall_value_nonlocal_aix{32,64}): Same.
2711 (sibcall_nonlocal_sysv<mode>): Same.
2712 (sibcall_value): Same.
2713 (sibcall_value_nonlocal_sysv<mode>): Same.
2715 2007-03-24 Paul Brook <paul@codesourcery.com>
2717 * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
2718 * config/arm/linux-eabi.h: Remove legacy syscall hack.
2720 2007-03-24 Richard Henderson <rth@redhat.com>
2722 * config/ia64/constraints.md: New file.
2723 * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
2724 satisfies_constraint_?.
2725 * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
2726 ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
2727 ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
2728 ia64_output_mi_thunk): Likewise.
2729 (ia64_const_ok_for_letter_p): Remove.
2730 (ia64_const_double_ok_for_letter_p): Remove.
2731 (ia64_extra_constraint): Remove.
2732 * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
2733 (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
2734 CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
2735 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
2736 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
2737 EXTRA_MEMORY_CONSTRAINT): Remove.
2738 * config/ia64/ia64.md: Include constriants.md. Replace
2739 CONST_OK_FOR_? with satisfies_constraint_?.
2741 2007-03-23 Michael Meissner <michael.meissner@amd.com>
2742 H.J. Lu <hongjiu.lu@intel.com>
2744 * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
2746 (name macros): Use DPD_BID_NAME to convert names properly.
2748 * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
2749 decimal floating point format.
2750 (init_floating_libfuncs): Change decimal functions so that they
2751 have a "bid_" prefix if the decimal system uses the BID format,
2752 and "dpd_" prefix if the decimal system uses the DPD format.
2753 (init_interclass_conv_libfuncs): Ditto.
2754 (init_intraclass_conv_libfuncs): Ditto.
2756 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
2757 using the BID format.
2759 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
2760 whether we are using the BID decimal format.
2761 * configure: Regenerate.
2763 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
2764 the compiler has decimal floating point enabled. Define
2765 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
2768 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
2769 using the BID format.
2771 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
2772 whether we are using the BID decimal format.
2773 * configure: Regenerate.
2775 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
2776 the compiler has decimal floating point enabled. Define
2777 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
2780 * doc/install.texi (--enable-decimal-float): Document BID and DPD
2781 options, and that it is enabled for i386/x86_64 systems.
2783 * Makefile.in (enable_decimal_float): New.
2785 (DECNUMINC): Add -I$(DECNUMFMT).
2786 (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
2787 to $(DECNUMFMT) from $(DECNUM).
2789 * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
2790 Substitute enable_decimal_float.
2791 * configure: Regenerated.
2794 * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
2797 * configure.ac: Enable decimal float for x86_64-*-linux*.
2798 * configure: Regenerated.
2801 * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
2802 decimal128ClearSign to flip and clear the sign bit in decimal128.
2803 (decimal_real_maxval): Set decimal128SetSign to set the sign
2806 2007-03-23 Ian Lance Taylor <iant@google.com>
2808 * fold-const.c (fold_binary): Correct warning for X - c >= X.
2810 2007-03-23 Ian Lance Taylor <iant@google.com>
2812 * tree-dump.c (dump_files): Correct comment.
2814 2007-03-23 Ian Lance Taylor <iant@google.com>
2816 * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
2818 2007-03-23 Steven Bosscher <steven@gcc.gnu.org>
2820 * tracer.c (tracer): Don't take FLAGS argument. Assert we are
2821 in cfglayout mode. Don't go into and out of cfglayout mode.
2822 Link the blocks in the order of the constructed traces.
2823 (rest_of_handle_tracer): Adjust call to tracer.
2824 * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
2825 Don't go into cfglayout mode.
2826 (rtl_loop_done): Don't go out of cfglayout mode.
2827 * cfglayout.c (relink_block_chain): New function, split out from...
2828 (fixup_reorder_chain): ...here. Remove redundant checking.
2829 (cfg_layout_finalize): Don't clear the header, footer, and aux
2830 fields here, move the code to do so to relink_block_chain. Likewise
2831 for free_original_copy_tables.
2832 * rtl.h (tracer): Update prototype.
2833 * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
2834 Assert we are in cfglayout mode. Don't go into and out of cfglayout
2835 mode. Use relink_block_chain to serialize the CFG according to the
2836 new basic block order. Move targetm.cannot_modify_jumps_p check from
2838 (gate_handle_reorder_blocks): ...to here.
2839 (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
2841 (gate_duplicate_computed_gotos): ...to here.
2842 (rest_of_handle_reorder_blocks): Don't see if anything has changed,
2843 something always changes when going into and out of cfglayout mode.
2844 Perform an expensive cfg cleanup while going into cfglayout mode.
2845 Always update liveness information on HAVE_conditional_execution
2846 targets. Reserialize the basic blocks and go out of cfglayout mode.
2847 * reg-stack.c: Include cfglayout.h.
2848 (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
2849 the call to reorder_basic_blocks.
2850 * basic-block.h (reorder_basic_blocks): Update prototype.
2851 (relink_block_chain): New prototype.
2852 * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
2854 2007-03-23 Joseph Myers <joseph@codesourcery.com>
2856 * config/mips/mips.md (type, hazard, *movdi_32bit,
2857 *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
2858 *movhi_internal, *movqi_internal, *movsf_hardfloat,
2859 *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
2860 movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
2861 mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
2863 (movcc): Change first xfer to multi.
2864 * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
2865 config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
2866 config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
2867 config/mips/generic.md: Change reservations using "xfer" to use
2869 * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
2870 using match_operand.
2871 (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
2872 * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
2874 (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
2876 2007-03-22 Richard Henderson <rth@redhat.com>
2878 * config/i386/i386.c: Remove unnecessary function declarations.
2879 Move targetm definition, and all related macros, to the end of
2880 the file. Resort some functions to put definitions before uses.
2881 (ix86_attribute_table): Make static. Move to end of file.
2882 (ix86_gimplify_va_arg): Make static.
2884 2007-03-22 Richard Henderson <rth@redhat.com>
2886 * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
2887 don't increase local_regparm with force_align_arg_pointer check.
2888 (ix86_function_sseregparm): Assert 32-bit.
2889 (type_has_variadic_args_p): New.
2890 (ix86_return_pops_args): Early exit for 64-bit. Reindent; use
2891 type_has_variadic_args_p.
2892 (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
2893 (init_cumulative_args): Remove TARGET_DEBUG_ARG. Remove zero_cum;
2894 use memset instead. Do maybe_vaarg check first; skip attribute
2895 tests if true; skip attribute tests for 64-bit.
2896 (construct_container): Remove TARGET_DEBUG_ARG.
2897 (function_arg_advance_32, function_arg_advance_64): Split out ...
2898 (function_arg_advance): ... from here.
2899 (function_arg_32, function_arg_64): Split out ...
2900 (function_arg): ... from here.
2901 (ix86_pass_by_reference): Tidy.
2902 (ix86_function_value_regno_p): Rearrange w/ switch on regno.
2903 (function_value_32): New, from parts of ix86_function_value
2904 and ix86_value_regno.
2905 (function_value_64): New, from parts of ix86_function_value
2906 and ix86_libcall_value.
2907 (ix86_function_value_1): New.
2908 (ix86_function_value, ix86_libcall_value): Use it.
2909 (return_in_memory_32, return_in_memory_64): Split out ...
2910 (ix86_return_in_memory): ... from here.
2911 (ix86_struct_value_rtx): Skip for 64-bit.
2912 (ix86_libcall_value, ix86_value_regno): Remove.
2913 (setup_incoming_varargs_64): Split out ...
2914 (ix86_setup_incoming_varargs): ... from here.
2915 (ix86_va_start): Remove TARGET_DEBUG_ARG.
2916 (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
2917 * config/i386/i386-protos.h (ix86_function_value): Remove.
2918 * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
2920 2007-03-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2923 * c-lex.c (interpret_float): On overflow, emit pedantic warning if
2924 infinities not supported, otherwise emit warning if -Woverflow. On
2925 underflow, emit warning if -Woverflow.
2926 * real.c (real_from_string): Return -1 if underflow, +1 if overflow
2928 * real.h (real_from_string): Update declaration
2930 2007-03-22 Kai Tietz <kai.tietz@onevision.com>
2931 Richard Henderson <rth@redhat.com>
2933 * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
2934 * calls.c (compute_argument_block_size, expand_call,
2935 emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
2936 * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
2937 * function.c (STACK_DYNAMIC_OFFSET): Likewise.
2938 * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
2939 * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
2940 config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
2941 config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
2942 config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
2945 2007-03-22 Joseph Myers <joseph@codesourcery.com>
2947 * c-incpath.c (add_sysroot_to_chain): New.
2948 (merge_include_chains): Add sysroot argument. Call
2949 add_sysroot_to_chain if sysrooted.
2950 (register_include_chains): Update call to merge_include_chains.
2951 * doc/cppopts.texi: Document use of '=' in include directory
2954 2007-03-22 Uros Bizjak <ubizjak@gmail.com>
2956 * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
2957 Macroize expander using SSEMODEF mode macro. Use SSE_FLOAT_MODE_P.
2958 (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
2959 insn pattern using X87MODEF12 mode macro.
2961 2007-03-21 Seongbae Park <seongbae.park@gmail.com>
2963 * regmove.c (regmove_optimize): Use reg_mentioned_p
2964 instead of reg_overlap_mentioned_p for DST.
2966 2007-03-21 Mike Stump <mrs@apple.com>
2968 * c.opt: Fixup for Objective-C/C++.
2970 2007-03-21 Steve Ellcey <sje@cup.hp.com>
2972 * explow.c (convert_memory_address): Fold memory reference when
2973 POINTERS_EXTEND_UNSIGNED < 0
2975 2007-03-21 Richard Henderson <rth@redhat.com>
2978 * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
2979 * config/i386/mmintrin.h (__m64): Likewise.
2980 * config/i386/xmmintrin.h (__m128): Likewise.
2982 2007-03-21 Richard Sandiford <richard@codesourcery.com>
2984 * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
2985 (VXWORKS_OS_CPP_BUILTINS): Define.
2986 * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
2987 (TARGET_OS_CPP_BUILTINS): ...here. Use VXWORKS_OS_CPP_BUILTINS.
2989 2007-03-21 Richard Sandiford <richard@codesourcery.com>
2991 * rtl.h (constant_pool_reference_p): Delete.
2992 (find_constant_src): Declare.
2993 * rtlanal.c (find_constant_src): New function.
2994 * simplify-rtx.c (constant_pool_reference_p): Delete.
2995 * config/i386/i386.md: Use find_constant_src instead of
2996 constant_pool_reference_p/avoid_constant_pool_reference pairs.
2998 2007-03-21 Richard Sandiford <richard@codesourcery.com>
3000 * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
3001 * c-cppbuiltin.c (c_cpp_builtins): Define them.
3003 2007-03-20 Mark Mitchell <mark@codesourcery.com>
3005 * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
3006 * config/arm/arm.c (arm_elf_asm_cdtor): New function.
3007 (arm_elf_asm_constructor): Use it.
3008 (arm_elf_asm_destructor): New function.
3010 2007-03-20 Bernd Schmidt <bernd.schmidt@analog.com>
3012 * jump.c (mark_jump_label): Treat SEQUENCE specially.
3014 2007-03-20 Nathan Sidwell <nathan@codesourcery.com>
3016 * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
3018 2007-03-19 Andrew Haley <aph@redhat.com>
3020 PR tree-optimization/31264
3021 * tree-vrp.c (register_edge_assert_for_1): Don't look though
3024 2007-03-19 Paolo Bonzini <bonzini@gnu.org>
3026 PR rtl-optimization/30907
3027 * fwprop.c (forward_propagate_into): Never propagate inside a loop.
3028 (fwprop_init): Always call loop_optimizer_initialize.
3029 (fwprop_done): Always call loop_optimizer_finalize.
3030 (fwprop): We always have loop info now.
3031 (gate_fwprop_addr): Remove.
3032 (pass_fwprop_addr): Use gate_fwprop as gate.
3034 PR rtl-optimization/30841
3035 * df-problems.c (df_ru_local_compute, df_rd_local_compute,
3036 df_chain_alloc): Call df_reorganize_refs unconditionally.
3037 * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
3038 refs_organized to refs_organized_size.
3039 (df_ref_create_structure): Use refs_organized_size instead of
3040 bitmap_size if refs had been organized, and keep refs_organized_size
3042 * df.h (struct df_ref_info): Change refs_organized to
3043 refs_organized_size.
3044 (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
3047 2007-03-19 Mark Mitchell <mark@codesourcery.com>
3049 * except.c (output_function_exception_table): Do not reference the
3050 EH personality routine for functions that do not require an
3053 2007-03-20 Jakub Jelinek <jakub@redhat.com>
3056 * c-typeck.c (convert_for_assignment): Call comptypes for
3057 RECORD_TYPE or UNION_TYPE.
3060 * reload1.c (reload): Do invalid ASM checking after
3061 cleanup_subreg_operands.
3063 2007-03-19 Jeff Law <law@redhat.com>
3065 * tree-cfg.c (find_taken_edge): Tighten conditions for
3066 optimizing computed gotos.
3068 2007-03-19 Michael Matz <matz@suse.de>
3070 * builtins.c (expand_builtin_sync_operation,
3071 expand_builtin_compare_and_swap,
3072 expand_builtin_lock_test_and_set): Care for extending CONST_INTs
3075 * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
3076 sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
3079 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
3081 * doc/tm.texi: Add brackets around the return type of
3082 TARGET_SECONDARY_RELOAD.
3084 2007-03-19 Andrew Pinski <andrew_pinski@playstation.sony.com>
3085 Richard Guenther <rguenther@suse.de>
3087 PR tree-optimization/31254
3088 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3089 Use handled_component_p () where appropriate. Continue
3090 propagating into the rhs if we propagated into an INDIRECT_REF
3093 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
3095 * config/s390/s390.md (op_type attribute): RRR instruction type added.
3096 (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
3097 (xde, xdee): Mode attributes adjusted to support DFP modes.
3098 (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
3099 ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
3100 DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
3101 "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
3102 "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
3103 "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3104 "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
3106 ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
3107 "movsf"): Insn definitions removed.
3108 ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
3109 "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
3110 "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
3112 ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
3113 "reload_in<mode>", "reload_out<mode>"): Expander added.
3114 ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
3117 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
3119 * config/s390/s390.md: Only non-functional changes. Renamed
3120 FPR mode macro to BFP all over the file.
3122 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
3124 * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
3125 (op_type attribute): RRF instruction type added.
3126 (fT0): New mode attribute.
3127 ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3128 "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
3129 * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
3130 no secondary memory is needed when moving DFmode values between GPRs
3133 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
3135 * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
3136 inverted and documentation adjusted.
3137 ("mhard-dfp", "msoft-dfp"): New options.
3138 * config/s390/s390.c (s390_handle_arch_option): New architecture
3140 (override_options): Sanity checks for the new options added.
3141 * config.gcc: New architecture switch: z9-ec.
3142 * config/s390/s390.h (processor_flags): PF_DFP added.
3143 (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
3144 (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
3145 when the bit is NOT set so remove it from the defaults.
3147 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
3149 * genemit.c (main): Print include statement for dfp.h.
3150 * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
3153 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
3155 * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
3157 2007-03-19 Kaz Kojima <kkojima@gcc.gnu.org>
3160 * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
3163 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3165 * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
3166 attr_length_call, output_call, output_indirect_call): Cleanup
3167 formatting of targetm calls.
3169 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
3171 * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
3173 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3175 * pa.md: Add fpstore_load and store_fpload instruction types. Provide
3176 reservation, bypass and anti-bypass descriptions for these instructions.
3177 Update move patterns.
3178 * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
3181 2007-03-18 Dorit Nuzman <dorit@il.ibm.com>
3183 * tree-vect-transform.c (get_initial_def_for_induction): Replace
3184 GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
3185 (get_initial_def_for_reduction): Likewise.
3187 2007-03-16 Daniel Berlin <dberlin@dberlin.org>
3189 Fix PR tree-optimization/29922
3190 * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
3191 (get_representative): Removed.
3192 (value_dies_in_block_x): Update for rvuse removal.
3193 (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
3194 (compute_antic_aux): Handle when PHI nodes appear in
3195 non-single-successors.
3196 (dump_bitmap_of_names): Removed.
3197 (compute_antic_safe): Renamed and removed rvuse calculation.
3198 Calculate only antic safe.
3199 (insert_into_preds_of_block): Remove assert.
3200 (execute_pre): Update for renamed functions.
3201 (defer_or_phi_translate_block): New function.
3203 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
3205 * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
3206 config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
3208 * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
3209 Follow spelling conventions.
3211 * tree-data-ref.h: Remove the prototype for analyze_array.
3213 2007-03-17 Dorit Nuzman <dorit@il.ibm.com>
3215 PR tree-optimization/31041
3216 * tree-vect-transform.c (get_initial_def_for_induction): Call
3217 force_gimple_operand.
3219 2007-03-17 Olga Golovanevsky <olga@il.ibm.com>
3221 * ipa-type-escape.c (look_for_casts) : Revert code to use
3222 handled_component_p due to ada test a-numaux.adb.
3224 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
3226 * final.c (final_scan_insn): Alter the condition of a
3227 conditional trap if we have nonstandard CC.
3229 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
3231 * configure.ac: Remove excess quoting from asm line 0 test.
3232 * configure: Rebuilt.
3234 2007-03-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3236 * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
3237 * c-common.c (convert_and_check): Move warning logic to...
3238 (warnings_for_convert_and_check): ...here. Define.
3239 * c-common.h (warnings_for_convert_and_check): Declare.
3241 2007-03-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3243 * pa.c (attr_length_call): Partially revert change of 2007-03-09.
3244 (output_call): Likewise.
3246 2007-03-16 Richard Sandiford <richard@codesourcery.com>
3248 * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
3250 2007-03-16 Richard Sandiford <richard@codesourcery.com>
3252 * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
3254 2007-03-16 Uros Bizjak <ubizjak@gmail.com>
3256 * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
3257 opteron, athlon-64 and athlon-fx processor_alias_table entries.
3259 2007-03-16 Sebastian Pop <sebastian.pop@inria.fr>
3261 PR tree-optimization/31183
3262 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
3263 Use double_int instead of unsigned int for representing access_strides.
3264 * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
3266 2007-03-16 Richard Guenther <rguenther@suse.de>
3268 PR tree-optimization/31146
3269 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
3270 to allow recursion of forward_propagate_addr_expr.
3271 (forward_propagate_addr_into_variable_array_index): Likewise.
3272 (forward_propagate_addr_expr): Likewise.
3273 (tree_ssa_forward_propagate_single_use_vars): Likewise.
3274 (forward_propagate_addr_expr_1): Recurse on simple copies
3275 instead of propagating into them. Do so for useless conversions
3277 (forward_propagate_addr_expr): Clean up unused statements after
3280 2007-03-16 Richard Guenther <rguenther@suse.de>
3282 * builtins.c (expand_builtin_cexpi): Use the right argument
3283 for the expansion via cexp.
3285 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
3287 * configure.ac: Don't require ELF binutils to tolerate # 0 "".
3288 * configure: Rebuilt.
3290 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
3293 * dwarf2out.c (force_type_die): Adjust comment.
3294 (dwarf2out_imported_module_or_decl): Handle base AT_import types.
3296 2007-03-15 DJ Delorie <dj@redhat.com>
3298 * config/frv/predicates.md (minmax_operator): Don't check operands
3301 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3303 * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
3304 Update constant estimates of number of iterations.
3305 (record_nonwrapping_iv): Add "upper" argument. "data_size_bounds_p"
3306 argument renamed to "realistic".
3307 (compute_estimated_nb_iterations): Removed.
3308 (record_niter_bound): New function.
3309 (idx_infer_loop_bounds): For possible but unlikely tail arrays,
3310 call record_nonwrapping_iv with upper = false.
3311 (infer_loop_bounds_from_signedness): Pass upper argument to
3312 record_nonwrapping_iv.
3313 (estimate_numbers_of_iterations_loop): Do not call
3314 compute_estimated_nb_iterations. Record estimate based on profile
3315 information. Initialize the constant estimates of number of
3317 * tree-data-ref.c (estimated_loop_iterations): Return the recorded
3319 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
3320 number of iterations is too small.
3321 * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
3322 (EST_NOT_AVAILABLE): Removed.
3323 (struct loop): Replace estimated_nb_iterations by any_upper_bound,
3324 nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
3327 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3329 * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
3330 Handle NE_EXPR guards.
3332 2007-03-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3335 * c-opts.c (c_common_post_options): Handle C++ post-processing here.
3336 Set also -pedantic-errors by default for the preprocessor unless
3337 -fpermissive is given.
3339 2007-03-15 Richard Guenther <rguenther@suse.de>
3343 * builtins.c (expand_builtin_cexpi): As a fallback if we
3344 don't have builtins for sincos or cexp create a function
3345 declaration for cexp and expand to a call to that.
3346 (expand_builtin_int_roundingfn): Always fall
3347 back to floor/ceil and its variants even if they may be
3350 2007-03-15 Steven Bosscher <steven@gcc.gnu.org>
3353 * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
3354 jump tables, move the call to delete_dead_jumptables from here...
3355 (cfg_layout_finalize): ...to here. But rebuild jump labels first.
3356 * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
3357 don't allow merging of blocks that try_redirect_by_replacing_jump
3358 also does not handle when not optimizing.
3360 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
3361 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3363 * config/i386/i386.md (x86_sahf_1): Correctly handle
3366 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
3369 * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
3370 x86_64_general_operand as operand[2] predicate. Remove "iF"
3371 from operand constraints and use "e" constraint instead.
3372 (*subti3_1, *subti3_1 splitter): Ditto.
3373 (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
3374 operand[1] predicate.
3376 2007-03-14 Sebastian Pop <sebastian.pop@inria.fr>
3378 * tree-loop-linear.c (gather_interchange_stats): For multidimensional
3379 arrays, multiply the access strides by the size of the sub-array.
3380 * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
3382 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
3384 * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
3385 the configured assembler supports the sahf mnemonic.
3386 * configure: Regenerate.
3387 * config.in: Regenerate.
3389 * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
3390 emit "sahf" or ".byte\t0x9e" as asm template.
3392 2007-03-14 Michael Meissner <michael.meissner@amd.com>
3395 * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
3396 option to replace hard coded TARGET_xxx in md file.
3397 (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
3398 (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
3399 (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
3400 (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
3401 (X86_TUNE_NOT_UNPAIRABLE): Ditto.
3402 (X86_TUNE_NOT_VECTORMODE): Ditto.
3403 (TUNE_SHORTEN_X87_SSE): Use new tuning option.
3404 (TUNE_AVOID_VECTOR_DECODE): Ditto.
3405 (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
3406 (TUNE_SLOW_IMUL_IMM8): Ditto.
3407 (TUNE_MOVE_M1_VIA_OR): Ditto.
3408 (TUNE_NOT_UNPAIRABLE): Ditto.
3409 (TUNE_NOT_VECTORMODE): Ditto.
3411 * config/i386/i386.c (ix86_tune_features): Fill in new tuning
3414 * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
3415 tuning options instead of hard coded TARGET_xxx.
3416 (fix ssemode peephole2's): Ditto.
3417 (imul peephole2's): Ditto.
3419 (movdi_or_rex64): Ditto.
3420 (move peephole2): Ditto.
3421 (not peephole2's): Ditto.
3423 2007-03-14 Dirk Mueller <dmueller@suse.de>
3425 * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
3426 * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
3427 * c-parser.c (c_parser_if_body): Always add an empty statement in case
3429 * c-parser.c (c_parser_do_statement): Warn about empty body in
3431 * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
3432 * doc/invoke.texi (-Wempty-body): Update documentation.
3434 2007-03-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3437 * c-common.h (warn_for_div_by_zero): Declare.
3438 * c-common.c (warn_for_div_by_zero): Define.
3439 * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
3442 2007-03-14 Richard Sandiford <richard@codesourcery.com>
3444 * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
3445 to PREFIX and STANDARD_PREFIX.
3447 2007-03-14 Richard Sandiford <richard@codesourcery.com>
3448 Phil Edwards <phil@codesourcery.com>
3450 * gthr-vxworks.h: Add an extern "C" wrapper for C++.
3451 (__gthread_once_t): Remove busy field for RTPs.
3452 (__GTHREAD_ONCE_INIT): Update accordingly.
3454 2007-03-14 Richard Sandiford <richard@codesourcery.com>
3456 * doc/invoke.texi: Document VxWorks options.
3458 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
3460 * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
3462 2007-03-13 Seongbae Park <seongbae.park@gmail.com>
3464 PR tree-optimization/30590
3465 * tree-nrv.c (tree_nrv): Check for the partial update of the
3468 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
3470 * flags.h (flag_random_seed): Remove declaration, in favor of...
3471 * toplev.h (get_random_seed, set_random_seed): ... these.
3472 * tree.c (get_file_function_name): Use the former.
3473 * opts.c (common_handle_option): Use the latter.
3476 2007-03-13 Steven Bosscher <steven@gcc.gnu.org>
3479 * cse.c (cse_find_path): Do not bail out if a basic block that
3480 we already visited now becomes part of a path that starts at a
3481 different basic block. Just disallow this, to make sure we
3482 visit each basic block at most once.
3484 2007-03-13 Jan Hubicka <jh@suse.cz>
3486 * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
3487 when profile esitmate is present, calls with very low frequency are
3490 2007-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3492 PR tree-optimization/30730
3493 PR tree-optimization/26900
3494 * tree-ssa-loop-niter.c: Include gmp.h.
3496 (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
3497 split_to_var_and_offset, determine_value_range,
3498 bound_difference_of_offsetted_base, refine_bounds_using_guard,
3499 bound_difference, bounds_add, bounds_negate,
3500 number_of_iterations_ne_max, dump_affine_iv): New functions.
3501 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3502 assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
3503 difference of initial and final value of control iv to validate
3505 (number_of_iterations_cond): Add loop parameter. Determine bounds
3506 on the difference of the extremes of the control iv. Add dumps.
3507 (expand_simple_operations): Handle phi nodes.
3508 (simplify_using_initial_conditions): Do not record used conditions.
3509 (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
3510 Do not set additional_info.
3511 (implies_nonnegative_p, implies_ge_p): Removed.
3512 (derive_constant_upper_bound): Do not use parameter `additional'.
3513 (record_estimate): Parameter `additional' removed. Parameter
3514 `i_bound' added. Do not call derive_constant_upper_bound.
3515 (record_nonwrapping_iv): Use derive_constant_upper_bound to
3516 bound the number of iterations estimate.
3517 (estimate_numbers_of_iterations_loop): Pass the estimate from
3518 the number of iterations analysis to record_estimate.
3519 * tree.h (multiple_of_p): Declare.
3520 * tree-scalar-evolution.c (expression_expensive_p): Removed.
3521 (scev_const_prop): Do not check expression_expensive_p.
3522 * fold-const.c (multiple_of_p): Exported.
3523 * double-int.c (double_int_mask): Exported.
3524 * double-int.h (double_int_mask): Declare.
3525 * tree-flow.h (struct tree_niter_desc): Removed additional_info
3526 field. Added max field.
3528 2007-03-13 David Taylor <taylor@candd.org>
3531 * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
3534 2007-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3537 * pa.md (vdepi_ior): Don't allow zero length deposit. Likewise for
3538 two unamed patterns.
3540 2007-03-13 Uros Bizjak <ubizjak@gmail.com>
3542 * config/i386/i386.opt (mcx16, msahf): New options.
3543 * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
3544 (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
3546 * config/i386/driver-i386.c (bit_LAHF_LM): New define.
3547 (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
3548 Output -mcx16 and -msahf options when corresponding bit is set.
3550 * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
3553 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
3555 * configure.ac: Test for assembler tolerance to # 0 "".
3556 * configure, config.in: Rebuilt.
3557 * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
3559 2007-03-13 Geoffrey Keating <geoffk@apple.com>
3561 * doc/invoke.texi (Spec Files): Update for '%{,' spec.
3563 * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
3564 (handle_syscall): Handle direct system calls.
3565 * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
3567 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
3569 * doc/invoke.texi: Fix cpp.info cross-reference.
3570 * doc/passes.texi: Fix gcc.info cross-reference.
3572 2007-03-12 Zdenek Dvorak <dvorakz@suse.cz>
3574 PR tree-optimization/30835
3575 * lambda-code.c (can_convert_to_perfect_nest): Check whether
3576 bb_for_stmt is not NULL before accessing it.
3578 2007-03-12 Joseph Myers <joseph@codesourcery.com>
3580 * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
3583 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
3586 * doc/install.texi: Document --enable-stage1-languages
3588 2007-03-12 Steven Bosscher <steven@gcc.gnu.org>
3590 * tree-pass.h (pass_into_cfg_layout_mode,
3591 pass_outof_cfg_layout_mode): Declare.
3592 * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
3593 pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
3594 * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
3595 (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
3597 2007-03-12 Seongbae Park <seongbae.park@gmail.com>
3599 * c-decl.c (warn_variable_length_array): New function.
3600 Refactored from grokdeclarator to handle warn_vla
3601 and handle unnamed array case.
3602 (grokdeclarator): Refactored VLA warning case.
3603 * c.opt (Wvla): New flag.
3604 * doc/invoke.texi (Wvla): New warning.
3606 2007-03-12 Richard Henderson <rth@redhat.com>
3608 * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
3609 (TARGET_SECTION_TYPE_FLAGS): New.
3611 2007-03-12 Richard Henderson <rth@redhat.com>
3613 * config/darwin.c (machopic_reloc_rw_mask): New.
3614 * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
3615 * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
3617 2007-03-12 Mark Mitchell <mark@codesourcery.com>
3619 * cppdefault.c (cpp_EXEC_PREFIX): New variable.
3620 * cppdefault.h (cpp_PREFIX): Document.
3621 (cpp_PREFIX_len): Likewise.
3622 (cpp_EXEC_PREFIX): New variable.
3623 * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
3624 * c-incpath.c (add_standard_paths): Correct logic for relocating
3625 paths within prefix.
3627 2007-03-12 Uros Bizjak <ubizjak@gmail.com>
3629 * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
3630 fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
3632 (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
3633 fix_truncdfdi_sse using SSEMODEF mode macro.
3634 (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
3635 fix_truncdfsi_sse using SSEMODEF mode macro.
3636 (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
3637 (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
3639 2007-03-12 Richard Sandiford <richard@codesourcery.com>
3641 * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
3644 2007-03-12 Olga Golovanevsky <olga@il.ibm.com>
3646 * tree.h : Add multiple_of_p declaration.
3647 * fold-const.c (multiple_of_p): Make multiple_of_p public.
3648 * ipa-type-escape.c (results_of_malloc): Redundant.
3649 (visited_stmts): New. Visited stmt for walk_use_def_chains.
3650 (cast_type): Extended with new members.
3651 (check_cast): Returns cast_type.
3652 (cast): New structure for data of walk_use_def_chains.
3653 (is_malloc_result, is_cast_from_non_pointer_1,
3654 is_cast_from_non_pointer,
3655 is_array_access_through_pointer_and_index): New functions.
3656 (look_for_casts): Returns cast types.
3657 (check_call): Returns void.
3658 (okay_pointer_operation): Use support of pointer plus index,
3659 pointer plus constant and allow all multiplications.
3661 2007-03-11 Richard Guenther <rguenther@suse.de>
3663 PR tree-optimization/31115
3664 * tree-vrp.c (extract_range_from_binary_expr): Make sure
3665 the shift count is positive and non-anti-range for RSHIFT_EXPR.
3666 A shift count of zero is not special as with *_DIV_EXPR.
3667 (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
3670 2007-03-11 Ian Lance Taylor <iant@google.com>
3672 * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
3673 the *_DIV_EXPR codes correctly with overflow infinities.
3675 2007-03-11 Ira Rosen <irar@il.ibm.com>
3677 * tree-data-ref.c (analyze_offset): Add a return value (bool) to
3678 indicate success/failure of the analysis. Add negation to subtrahend
3679 in case of subtraction. Fail if both operands contain constants.
3680 (create_data_ref): Fail if analyze_offset fails.
3682 2007-03-11 Uros Bizjak <ubizjak@gmail.com>
3684 * config/i386/i386.md (frndintxf2): Rename to ...
3685 (rintxf2): ... this. Remove expander having same name.
3686 (rintsf2, rintdf2): Implement using SSEMODEF macro.
3687 (roundsf2, rounddf2): Ditto.
3688 (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
3689 (lround<mode>di2, lround<mode>si2): Ditto.
3691 2007-03-11 Steven Bosscher <steven@gcc.gnu.org>
3693 * lower-subreg.c: Include except.h.
3694 (decompose_multiword_subregs): Verify that the only control flow
3695 insns we can split are loads to multi-words pseudos.
3696 Handle breaking such blocks after splitting, instead of calling
3697 find_many_sub_basic_blocks.
3699 * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
3700 on the new basic block. Add a lengthy comment explaining why we
3701 thought this was necessary.
3702 * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
3704 2007-03-10 Mark Mitchell <mark@codesourcery.com>
3707 * tree.c (walk_type_fields): Recurse into the element type of
3708 ARRAY_TYPEs if there is a pointer set.
3710 2007-03-10 Dirk Mueller <dmueller@suse.de>
3712 * c-common.c (warn_logical_operator): Fix condition.
3714 2007-03-10 Tobias Schlüter <tobi@gcc.gnu.org>
3716 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
3718 * config/darwin.c (machopic_select_section): Remove superfluous
3719 argument in call to categorize_decl_for_section. Remove unused
3722 2007-03-10 Joseph Myers <joseph@codesourcery.com>
3724 * configure.ac (glibc_header_dir): Set using with_build_sysroot if
3726 * configure: Regenerate.
3728 2007-03-10 Uros Bizjak <ubizjak@gmail.com>
3731 * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
3732 (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
3733 (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
3734 Add LABEL_NUSES to emitted label.
3735 * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
3736 branch probability value to emitted jump insn.
3737 * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
3738 Do not check life information and do not re-arrange input operands
3739 for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
3741 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
3743 * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
3744 the change of decode_asm_operands.
3746 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
3748 * mode-switching.c (create_pre_exit): Skip blockage insn.
3750 2007-03-09 Diego Novillo <dnovillo@redhat.com>
3752 * tree-pass.h (TODO_update_smt_usage): Remove.
3754 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
3758 2007-03-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3760 * pa.c (attr_length_call): Revise condition for long pc-relative branch.
3761 (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
3762 calls on the SOM target. Don't use "LONG_PIC_PCREL" call sequence on
3765 2007-03-09 Geoffrey Keating <geoffk@apple.com>
3767 * gcc.c: Document %{, in big comment at top.
3768 (input_suffix_matches): Remove special handling for .s and
3770 (input_spec_matches): New.
3771 (handle_braces): Handle %{,.
3772 (validate_switches): ',' indicates a value which is not a switch.
3773 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
3774 to detect assembler input.
3775 * config/i386/sol2.h (CPP_SPEC): Likewise.
3776 * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
3777 * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
3778 * config/rs6000/lynx.h (ASM_SPEC): Likewise.
3779 * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
3780 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
3781 -m64 causes deployment target to default to 10.5.
3782 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3784 2007-03-09 Richard Henderson <rth@redhat.com>
3787 * target.h (targetm.asm.out.reloc_rw_mask): New.
3788 * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
3789 (TARGET_ASM_OUT): Use it.
3790 * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
3791 * varasm.c (categorize_decl_for_section): Remove shlib argument;
3792 use the new reloc_rw_mask target hook instead.
3793 (default_section_type_flags_1): Merge into...
3794 (default_section_type_flags): ... here.
3795 (decl_readonly_section_1): Merge into...
3796 (decl_readonly_section): ... here.
3797 (default_elf_select_section_1): Merge into...
3798 (default_elf_select_section): ... here.
3799 (default_unique_section_1): Merge into...
3800 (default_unique_section): ... here.
3801 (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
3802 (default_select_rtx_section): Use it.
3803 (default_elf_select_rtx_section): Likewise.
3804 * output.h: Update to match.
3805 * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
3806 * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
3807 (TARGET_ASM_RELOC_RW_MASK): New.
3808 * config/i386/i386.c (x86_64_elf_select_section): Adjust call
3809 to categorize_decl_for_section.
3810 (x86_64_elf_unique_section): Likewise.
3811 * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
3812 TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
3813 (TARGET_ASM_RELOC_RW_MASK): New.
3814 * config/ia64/ia64.c (ia64_rwreloc_select_section,
3815 ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
3816 (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
3817 (TARGET_RWRELOC): Remove.
3818 (ia64_section_type_flags): Adjust call to default_section_type_flags.
3819 * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
3820 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
3821 (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
3822 (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
3823 (rs6000_xcoff_select_section): Use decl_readonly_section.
3824 (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
3825 * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
3826 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
3827 (TARGET_SECTION_TYPE_FLAGS): Remove.
3828 * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
3830 2007-03-09 Roger Sayle <roger@eyesopen.com>
3832 * fold-const.c (fold_comparison): Remove compile-time evaluation of
3833 complex constant equality/inequality comparisons for here.
3834 (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
3835 known at compile-time or can be simplified to a scalar comparison.
3836 (fold_relational_const): Move compile-time evaluation of complex
3837 constant equality/inequality comparisons to here.
3839 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
3841 PR rtl-optimization/30643
3842 * cse.c (cse_insn): Recompute dest_hash after insert_regs for
3844 (fold_rtx): Recurse, like before 2006-11-03.
3846 2007-03-09 DJ Delorie <dj@redhat.com>
3848 * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
3851 2007-03-09 Aldy Hernandez <aldyh@redhat.com>
3853 PR tree-optimization/30375
3854 * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
3855 LHS of statements is not the same.
3856 * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
3858 2007-03-09 Chao-ying Fu <fu@mips.com>
3860 * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
3862 * doc/invoke.texi (-mdspr2): Document new option.
3863 * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
3864 New unspec for DSP REV 2.
3865 (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
3866 these instructions are extended in DSP REV 2.
3867 (mips-dspr2.md): Include.
3868 * config/mips/mips.opt (mdspr2): New option.
3869 * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
3870 MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
3871 MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
3872 (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
3873 (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
3874 (dsp_bdesc): Add DSP REV 2 builtins. Remove 32-bit only DSP builtins.
3875 (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
3877 (bdesc_map): Add one field of unsupported_target_flags.
3878 (bdesc_arrays): Update entries to have extra fields. Add
3880 (mips_init_builtins): Initialize new function types.
3881 Check unsupported_target_fileds to filter out builtins.
3882 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
3884 (ASM_SPEC): Pass mdspr2 to the assembler.
3885 * config/mips/mips-dspr2.md: New file.
3887 2007-03-09 Sa Liu <saliu@de.ibm.com>
3889 * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
3891 2007-03-09 Ian Lance Taylor <iant@google.com>
3893 * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
3894 argument) like -Wstrict-overflow=2.
3895 * doc/invoke.texi (Warning Options): Update documentation.
3897 2007-03-09 Dirk Mueller <dmueller@suse.de>
3900 * doc/invoke.texi (-Wlogical-op): Document.
3901 * common.opt (-Wlogical-op): New.
3902 * c-common.h (warn_logical_operator): Declare.
3903 * c-common.c (warn_logical_operator): Define.
3904 * c-typeck.c (parser_build_binary_op): Call
3905 warn_logical_operator.
3907 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
3909 * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
3910 * final.c (final_scan_insn): Test for non-"" file name.
3912 2007-03-09 Sebastian Pop <sebastian.pop@inria.fr>
3914 * doc/loop.texi: Document the Omega linear constraints solver.
3915 * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
3916 omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
3917 omega-hash-table-size, omega-max-keys, and
3918 omega-eliminate-redundant-constraints.
3919 * tree-pass.h (pass_check_data_deps): Declared.
3922 * timevar.def (TV_CHECK_DATA_DEPS): Declared.
3923 * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
3924 pass_check_data_deps): New.
3925 * tree-data-ref.c (init_data_ref): Remove declaration.
3926 (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
3927 (analyze_array): Renamed init_array_ref, move up initializations.
3928 (init_data_ref): Renamed init_pointer_ref. Moved before its call.
3929 Removed arguments that are set to NULL.
3930 (analyze_indirect_ref): Correct indentation, correct call to
3932 (object_analysis): Call init_array_ref instead of analyze_array.
3933 (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
3934 (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
3935 of DR_ACCESS_FNS_ADDR.
3936 (init_omega_eq_with_af, omega_extract_distance_vectors,
3937 omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
3938 ddr_consistent_p): New.
3939 (compute_affine_dependence): Check consistency of ddrs when
3940 flag_check_data_deps is passed.
3941 (analyze_all_data_dependences): Uncomment.
3942 (tree_check_data_deps): New.
3943 * tree-data-ref.h: Include omega.h.
3944 (DR_ACCESS_FNS_ADDR): Removed.
3945 (data_dependence_relation): Add inner_loop.
3946 (DDR_INNER_LOOP): New.
3947 * common.opt (fcheck-data-deps): New.
3948 * tree-flow.h (tree_check_data_deps): Declare.
3949 * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
3950 (OBJS-common): Depend on omega.o.
3952 * passes.c (pass_check_data_deps): Scheduled.
3953 * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
3954 PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
3955 PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
3956 PARAM_VECT_MAX_VERSION_CHECKS,
3957 PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
3959 2007-03-09 Richard Guenther <rguenther@suse.de>
3961 PR tree-optimization/30904
3963 * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
3964 the same way as *_DIV_EXPR.
3966 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
3968 * recog.c (decode_asm_operands): No mixed declarations and code.
3970 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
3972 * rtl.def (ASM_INPUT): Add location.
3973 * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
3974 (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
3975 (decode_asm_operands): Add loc operand.
3976 (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
3977 * stmt.c (expand_asm): Rename to...
3978 (expand_asm_loc): ... this. Add locus argument. Pass it on to
3979 gen_rtx_ASM_INPUT_loc.
3980 (expand_asm_expr): Adjust.
3981 * recog.c (decode_asm_operands): Add loc operand.
3982 (check_asm_operands, extract_insn): Adjust.
3983 * reload1.c (maybe_fix_stack_asms): Likewise.
3984 * final.c (asm_insn_count): Likewise.
3985 (final_scan_insn): Output # line before and after asm.
3987 2007-03-09 Daniel Berlin <dberlin@dberlin.org>
3989 * tree-ssa-structalias.c (variable_info): Remove
3991 (new_var_info): Ditto.
3992 (shared_bitmap_info_t): New structure.
3993 (shared_bitmap_table): New variable.
3994 (shared_bitmap_hash): New function.
3995 (shared_bitmap_eq): Ditto
3996 (shared_bitmap_lookup): Ditto.
3997 (shared_bitmap_add): Ditto.
3998 (merge_smts_into): Change to take bitmap directly.
3999 (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
4000 (init_alias_vars): Init shared bitmap hashtable.
4001 (delete_points_to_sets): Delete shared bitmap hashtable.
4002 * tree-ssa-operands.c (add_virtual_operand): Partially revert the
4003 is_aliased removal as a change that was still necessary was
4006 2007-03-09 Uros Bizjak <ubizjak@gmail.com>
4008 * config/i386/i386.h (override_options): Conditionally disable
4009 x86_sahf for 64bit targets only.
4011 2007-03-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
4014 * c-decl.c (merge_decls): Don't call make_var_volatile.
4015 * varasm.c (make_var_volatile): Remove.
4016 * output.h (make_var_volatile): Remove.
4018 2007-03-08 Zdenek Dvorak <dvorakz@suse.cz>
4020 PR tree-optimization/31085
4021 * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
4023 2007-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4025 * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
4026 llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
4027 ATTR_CONST_NOTHROW_LIST.
4029 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4032 2007-03-08 Diego Novillo <dnovillo@redhat.com>
4034 * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
4036 2007-03-08 Geoffrey Keating <geoffk@apple.com>
4039 * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
4041 * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
4042 passed, use shared libgcc.
4044 2007-03-08 Roger Sayle <roger@eyesopen.com>
4046 * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
4047 instead of calling build2 with a GIMPLE_MODIFY_STMT.
4048 (honor_protect_cleanup_actions, lower_try_finally_switch):
4050 * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
4051 ifc_temp_var): Likewise.
4052 * tree-inline.c (setup_one_parameter): Likewise.
4053 * tree-mudflap.c (mf_decl_cache_locals,
4054 mf_build_check_statement_for): Likewise.
4055 * tree-nested.c (init_tmp_var, save_tmp_var,
4056 finalize_nesting_tree_1): Likewise.
4057 * tree-outof-ssa.c (insert_copy_on_edge,
4058 insert_backedge_copies): Likewise.
4059 * tree-profile.c (tree_gen_edge_profiler,
4060 tree_gen_ic_profiler): Likewise.
4061 * tree-scalar-evolution.c (scev_const_prop): Likewise.
4062 * tree-sra.c (sra_build_assignment): Likewise.
4063 * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
4064 * tree-ssa-math-opts.c (insert_reciprocals,
4065 execute_cse_sincos_1): Likewise.
4066 * tree-tailcall.c (adjust_accumulator_values,
4067 adjust_return_value): Likewise.
4068 * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
4069 * tree-vect-transform.c (vect_create_data_ref_ptr,
4070 bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
4071 vect_create_epilog_for_reduction, vectorizable_reduction,
4072 vectorizable_call, vectorizable_conversion,
4073 vectorizable_assignment, vectorizable_operation,
4074 vectorizable_type_demotion, vect_gen_widened_results_half,
4075 vect_permute_store_chain, vectorizable_store,
4076 vect_setup_realignment, vect_permute_load_chain,
4077 vectorizable_load, vectorizable_condition,
4078 vect_create_cond_for_align_checks): Likewise.
4079 * tree-vrp.c (build_assert_expr_for): Likewise.
4081 2007-03-08 Ian Lance Taylor <iant@google.com>
4083 * tree-vrp.c: Include "intl.h".
4084 (usable_range_p): New static function.
4085 (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
4086 overflowed values, juts set *strict_overflow_p.
4087 (compare_values): Only return -2 if one of the operands is not a
4089 (compare_ranges): Call usable_range_p.
4090 (compare_range_with_value): Likewise.
4091 (vrp_evaluate_conditional_warnv): Rename from
4092 vrp_evaluate_conditional. Make static. Change all callers.
4093 (vrp_evaluate_conditional): New function.
4094 (simplify_div_or_mod_using_ranges): Issue warning about reliance
4096 (simplify_abs_using_ranges): Likewise.
4097 (simplify_stmt_for_jump_threading): Add within_stmt parameter.
4098 * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
4099 within_stmt parameter.
4100 * tree-ssa-propagate.c (fold_predicate_in): Update call to
4101 vrp_evaluate_conditional.
4102 * tree-ssa-threadedge.c
4103 (record_temporary_equivalences_from_stmts_at_dest): Change
4104 simplify parameter to take a second tree parameter.
4105 (simplify_control_stmt_condition): Likewise.
4106 (thread_across_edge): Likewise.
4107 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4108 (thread_across_edge): Likewise.
4109 * Makefile.in (tree-vrp.o): Depend upon intl.h.
4111 2007-03-08 Uros Bizjak <ubizjak@gmail.com>
4113 * config/i386/i386.h (TARGET_SAHF): New define.
4114 * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
4115 Also enable for m_K8, m_AMDFAM10 and m_CORE2.
4116 (x86_sahf): New global variable.
4117 (override_options): Add PTA_NO_SAHF to pta_flags enum. Recode
4118 pta_flags masks using shifts. Add PTA_NO_SAHF to x86_64 and
4119 nocona processor flags. Set x86_sahf when PTA_NO_SAHF is not set
4120 in processor flags. Do not unconditionally disable TARGET_USE_SAHF
4122 (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
4123 (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
4124 when expanding fcomi/sahf based tests.
4125 (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
4126 expanding sahf based alternative. Emit sahf based sequence when
4127 optimizing for code size.
4128 * config/i386/i386.md (x86_sahf_1): Do not disable for
4129 TARGET_64BIT, enable for TARGET_SAHF.
4131 2007-03-08 Martin Michlmayr <tbm@cyrius.com>
4133 * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
4134 spurious whitespace from error message.
4136 2007-03-08 Volker Reichelt <reichelt@netcologne.de>
4139 * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
4141 2007-03-08 Alexandre Oliva <aoliva@redhat.com>
4143 * c-decl.c (grokdeclarator): Disable warnings for anonymous
4145 * tree-sra.c (instantiate_element): Propagate disabled warnings
4146 from the element itself to the created variable.
4148 2007-03-07 Richard Henderson <rth@redhat.com>
4151 * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
4152 silently fix up the stack in the case of a missing register.
4154 2007-03-07 Paul Brook <paul@codesourcery.com>
4156 * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
4158 2007-03-07 Joseph Myers <joseph@codesourcery.com>
4160 * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
4162 (phase1_vrs): Use them.
4163 (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
4164 (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
4165 __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
4166 (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
4167 __gnu_Unwind_Restore_WMMXC if required.
4168 (_Unwind_VRS_Pop): Implement iWMMXt support.
4169 * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
4170 gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
4171 gnu_Unwind_Save_WMMXC): Define.
4173 2007-03-07 Richard Sandiford <richard@codesourcery.com>
4175 * config/vxworks.h (vxworks_override_options): Declare.
4176 (VXWORKS_OVERRIDE_OPTIONS): Use it.
4177 * config/vxworks.c: Include target.h and toplev.h.
4178 (vxworks_override_options): New function.
4179 * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
4181 2007-03-07 Andreas Krebbel <krebbel1@de.ibm.com>
4183 * config/s390/s390.c (override_options): Don't emit an error when
4184 -mstack-size is used without providing -mstack-guard.
4185 (s390_emit_prologue): Choose stack_guard value automatically if not
4186 provided via command line.
4187 * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
4189 2007-03-07 Richard Sandiford <richard@codesourcery.com>
4191 * config/i386/i386.c (output_set_got): Add a GOT initialization
4192 sequence for VxWorks PIC.
4193 (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
4194 around labels as well as symbols. Use gotoff_operand instead
4195 of local_symbolic_operand.
4196 (legitimize_pic_address): Use gotoff_operand instead of
4197 local_symbolic_operand. Use @GOT accesses for labels as
4199 (ix86_output_addr_diff_elt): Use PC-relative rather than
4200 GP-relative offsets for VxWorks PIC.
4201 (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
4202 no_new_pseudos. Check whether the returned register is op0.
4203 * config/i386/i386.md (tablejump): Use PC-relative rather than
4204 GP-relative offsets for VxWorks PIC.
4205 * config/i386/predicates.md (gotoff_operand): New predicate.
4207 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4209 * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
4211 * config/vxworks-dummy.h: New file.
4212 * config/i386/i386.h: Include it.
4214 2007-03-07 Alexandre Oliva <aoliva@redhat.com>
4216 * dwarf2out.c (is_inlined_entry_point): New
4217 (add_high_low_attributes): Emit DW_AT_entry_pc along with
4218 DW_AT_ranges if the first subblock is the entry point.
4220 2007-03-06 David Daney <ddaney@avtrex.com>
4222 * doc/install.texi (mips-*-*): Change recommended binutils
4225 2007-03-06 Anatoly Sokolov <aesok@post.ru>
4227 * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
4228 ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
4230 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4231 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4233 2007-03-06 Jan Hubicka <jh@suse.cz>
4235 * errors.h (warning, error, fatal, internal_error): Mark as cold.
4236 * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
4238 (probably_cold_bb_p): Cold functions are cold.
4239 (probably_never_executed_bb_p): Cold functions are cold.
4240 (tree_bb_level_predictions): Predict calls to cold functions as not
4242 (compute_function_frequency): Check hot/cold attributes.
4243 * function.h (function_frequency): Update comments.
4244 * predict.def (PRED_COLD_FUNCTION): Predict cold function.
4245 * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
4246 (c_common_att): Add cold and hot.
4248 * doc/extend.texi (hot,cold attributes): Document.
4250 2007-03-06 Andrew Haley <aph@redhat.com>
4252 * function.c (expand_function_end): Move blockage to just after we
4253 emit the label for the naked return from the function.
4255 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4257 * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
4260 2007-03-06 Jan Hubicka <jh@suse.cz>
4262 * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
4263 loaded for constant large models. Non-large 64bit PIC can do.
4264 * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
4265 * cmodel.h: Add LARGE PIC.
4266 * i386.md (UNSPEC_PLTOFF): New.
4267 (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
4269 (*call_1_rex64): Disable for large models.
4270 (*call_1_rex64_large): New.
4271 (*call_value_1_rex64): Disable for large models.
4272 (*call_value_1_rex64_large): New.
4273 (set_rip_rex4): New.
4274 (set_got_offset_rex64): New.
4275 * predicates.md (constant_call_address_operand): For large model
4276 constant calls are not possible.
4277 * i386-protos.h (construct_plt_address): Declare.
4278 * i386.c (override_options): Accept large models.
4279 (ix86_expand_prologue): Expand large PIC GOT pointer load.
4280 (legitimate_constant_p): Add new UNSPECs.
4281 (legitimate_pic_operand_p): Likewise.
4282 (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
4283 (legitimize_pic_address): Do easy RIP relative way for TLS only for
4285 (output_pic_addr_const): Add PLTOFF.
4286 (ix86_output_addr_diff_elt): Output 64bit tables when needed.
4287 (ix86_expand_move): Legitimize pic address when in PIC mode.
4288 (construct_plt_address): New function.
4289 (ix86_expand_call): Offload the address to register and use GOT pointer
4291 * invoke.texi (mcmodel=large): Update documentation.
4293 2007-03-06 Richard Henderson <rth@redhat.com>
4295 * config/i386/i386.c (x86_use_leave, x86_push_memory,
4296 x86_zero_extend_with_and, x86_movx, x86_double_with_add,
4297 x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
4298 x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
4299 x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
4300 x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
4301 x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
4302 x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
4303 x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
4304 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4305 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4306 x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
4307 x86_sse_partial_reg_dependency, x86_sse_split_regs,
4308 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4309 x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
4310 x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
4311 x86_schedule, x86_use_bt, x86_pad_returns,
4312 x86_use_xchgb): Merge into ...
4313 (ix86_tune_features): ... here. New array.
4314 (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4315 x86_bswap): Merge into ...
4316 (ix86_arch_features): ... here. New array.
4317 (x86_3dnow_a): Remove.
4318 (x86_accumulate_outgoing_args): Make static.
4319 (x86_arch_always_fancy_math_387): Make static.
4320 (ix86_tune_mask, ix86_arch_mask): Move ...
4321 (override_options): ... to local variables here. Apply the
4322 appropriate mask to each element of ix86_arch_features and
4323 ix86_tune_features. Adjust TARGET_CMOVE and TARGET_USE_SAHF
4324 as were done in the old macros.
4325 (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
4326 * config/i386/i386.h (x86_use_leave, x86_push_memory,
4327 x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
4328 x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
4329 x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
4330 x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
4331 x86_read_modify_write, x86_read_modify, x86_split_long_moves,
4332 x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
4333 x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
4334 x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
4335 x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
4336 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4337 x86_accumulate_outgoing_args, x86_prologue_using_move,
4338 x86_epilogue_using_move, x86_decompose_lea,
4339 x86_arch_always_fancy_math_387, x86_shift1,
4340 x86_sse_partial_reg_dependency, x86_sse_split_regs,
4341 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4342 x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
4343 x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4344 x86_use_incdec, x86_pad_returns, x86_bswap,
4345 x86_partial_flag_reg_stall): Remove.
4346 (enum ix86_tune_indices): New.
4347 (ix86_tune_features): New.
4348 (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
4349 TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
4350 TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
4351 TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
4352 TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
4353 TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
4354 TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
4355 TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
4356 TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
4357 TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
4358 TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
4359 TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
4360 TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
4361 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
4362 TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
4363 TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
4364 TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
4365 TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
4366 TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
4367 TARGET_EXT_80387_CONSTANTS): Use it.
4368 (enum ix86_arch_indices): New.
4369 (ix86_arch_features): New.
4370 (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
4371 TARGET_BSWAP): Use it.
4372 (ix86_tune_mask, ix86_arch_mask): Remove.
4374 2007-03-06 Joseph Myers <joseph@codesourcery.com>
4377 * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
4378 Define using $${sysroot_headers_suffix}.
4379 * configure: Regenerate.
4380 * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
4381 multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
4383 * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
4384 * gcc.c (print_sysroot_headers_suffix): New.
4385 (option_map): Include --print-sysroot-headers-suffix.
4386 (display_help): Mention -print-sysroot-headers-suffix.
4387 (process_command): Handle -print-sysroot-headers-suffix.
4388 (do_spec_1): Append multilib directory to include-fixed path if
4389 sysroot suffixes in use.
4390 (main): Handle -print-sysroot-headers-suffix.
4391 * Makefile.in (start.encap): Don't depend on xlimits.h
4392 (xlimits.h): Remove.
4393 (stmp-int-hdrs): Don't depend on xlimits.h. Inline generation of
4394 limits.h for each multilib in fixinc_list.
4395 (fixinc_list, s-fixinc_list): New.
4396 (stmp-fixinc): Depend on fixinc_list. If not copying headers,
4397 generate them for each multilib in fixinc_list.
4398 (stmp-fixproto): Use include-fixed. Run fixproto for each
4399 multilib in fixinc_list.
4400 (mostlyclean): Don't remove xlimits.h.
4401 (clean): Remove include-fixed.
4402 (real-install-headers-tar, real-install-headers-cpio,
4403 real-install-headers-cp): Don't copy include, only include-fixed.
4404 (install-mkheaders): Depend on fixinc_list. Don't depend on
4405 xlimits.h. Save limits.h files for each multilib in fixinc_list.
4406 Always save mkinstalldirs. Preserve ${sysroot_headers_suffix} in
4407 SYSTEM_HEADER_DIR setting in mkheaders.conf.
4409 2007-03-06 Jan Hubicka <jh@suse.cz>
4411 * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
4414 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4416 * configure.ac: Allow tm_file to contain build-directory files.
4417 * configure: Regenerate.
4418 * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
4419 * config/m68k/t-uclinux (sysroot-suffix.h): New target.
4420 * config/m68k/print-sysroot-suffix.sh: New file.
4422 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4424 * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
4425 of pic_offset_table_rtx if reload_completed.
4426 (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
4427 PIC_OFFSET_TABLE_REGNUM.
4428 * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
4430 (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
4431 (m68k_output_mi_thunk): Rewrite to use RTL. Honor vcall_offset.
4433 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4435 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
4436 functions that call eh_return.
4438 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4440 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
4441 functions that need a constant pool.
4443 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4446 * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
4447 (m68k_preferred_reload_class): Likewise.
4448 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
4449 (SECONDARY_RELOAD_CLASS): Define.
4450 (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
4451 (LIMIT_RELOAD_CLASS): Delete.
4452 * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
4453 registers from storing bytes.
4454 (m68k_secondary_reload_class): New function.
4455 (m68k_preferred_reload_class): Likewise.
4457 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4459 * config/m68k/m68k.c (m68k_save_reg): Remove special case for
4461 (m68k_expand_prologue): Likewise.
4463 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4465 * config/m68k/m68k-protos.h (output_sibcall): Declare.
4466 (mips_expand_epilogue): Add a bool parameter.
4467 (m68k_legitimize_sibcall_address): Declare.
4468 * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
4469 (m68k_expand_epilogue): Add a parameter to select between sibling
4470 and normal epilogues. Only generate a return for the latter.
4471 (m68k_ok_for_sibcall_p): New function.
4472 (m68k_legitimize_sibcall_address, output_sibcall): New functions.
4473 * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
4474 (sibcall_value, *sibcall_value): Likewise.
4475 (*call, *call_value): Require !SIBLING_CALL_P.
4476 (epilogue): Update call to m68k_expand_epilogue.
4477 (sibcall_epilogue): New pattern.
4478 * config/m68k/predicates.md (const_call_operand): Say that this
4479 predicate applies to sibling calls too.
4480 (sibcall_operand): New predicate.
4482 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4484 * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
4485 alternatives as movsi_cf.
4486 (movsf_cf_hard): Add commentary.
4488 2007-03-06 Kazu Hirata <kazu@codesourcery.com>
4489 Richard Sandiford <richard@codesourcery.com>
4491 * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
4492 (m68k_movem_pattern_p, m68k_output_movem): Likewise.
4493 (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
4494 * config/m68k/m68k.h (EPILOGUE_USES): Define. Treat all registers
4495 as being live on exit from an interrupt function.
4496 (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
4497 * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
4498 (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
4499 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
4500 (m68k_interrupt_function_p): Globalize.
4501 (m68k_compute_frame_layout): Remove reverse mask code.
4502 (m68k_emit_movem, m68k_set_frame_related): New functions.
4503 (m68k_output_function_prologue): Delete in favor of...
4504 (m68k_expand_prologue): ...this new function.
4505 (m68k_output_function_epilogue): Delete in favor of...
4506 (m68k_expand_epilogue): ...this new function.
4507 (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
4509 (print_operand): Handle %?.
4510 * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
4511 (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
4512 (prologue, epilogue): New patterns.
4513 (return): Turn into a define_expand.
4514 (*return): New pattern, derived from old "return" pattern. Use rte
4515 rather than rts for interrupt functions. Only use rtd if the pop
4517 (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
4518 (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
4519 (link, *link, unlink, *unlink, load_got): Likewise.
4521 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4525 * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
4526 (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
4527 (m68k_matches_q_p, m68k_matches_u_p): Likewise.
4528 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
4529 and m68k_matches_u_p.
4530 (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
4531 (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
4532 (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
4533 (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
4534 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
4535 (REG_STRICT_P): New macro.
4536 (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
4537 PCREL_GENERAL_OPERAND_OK.
4538 (REG_OK_FOR_BASE_P): Merge definitions. Use REG_STRICT_P and
4539 m68k_legitimate_base_reg_p.
4540 (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
4541 (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
4542 (PIC_CASE_VECTOR_ADDRESS): Update comment.
4543 * config/m68k/m68k.c (m68k_address): New structure.
4544 (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
4545 (m68k_decompose_index, m68k_legitimate_constant_address_p)
4546 (m68k_jump_table_ref_p, m68k_decompose_address)
4547 (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
4548 (m68k_matches_u_p): New functions.
4549 (print_operand_address): Rewrite to use m68k_decompose_index.
4551 2007-03-05 David Taylor <dtaylor@emc.com>
4553 * gcc.c: Correct copyright date in --version output.
4555 2007-03-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4557 * pa.md: In unamed move patterns, disparge copies between general
4558 and floating point registers using '?' modifier. Don't include 'f'
4559 constraint for register preferences in DImode, SImode, HImode and
4560 QImode patterns. Likewise for 'r' in DFmode and SFmode patterns.
4561 Remove constraints for copies between general and floating registers
4562 in soft-float DFmode pattern.
4563 (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
4567 2007-03-05 Mike Stump <mrs@apple.com>
4569 * c-common.c (targetcm): Add.
4570 * c-opts.c (c_common_handle_option): Handle language specific
4572 * opts.c (handle_option): Verify language for target options, if
4574 * opth-gen.awk: Add CL_LANG_ALL.
4575 * target-def.h (TARGET_HANDLE_C_OPTION): Add.
4576 (TARGETCM_INITIALIZER): Add.
4577 * target.h (struct gcc_targetcm): Add.
4579 * targhooks.c (default_handle_c_option): Add.
4580 * targhooks.h (default_handle_c_option): Add.
4581 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
4583 * config/darwin.opt (iframework): Add.
4584 * config/darwin.h (TARGET_HAS_TARGETCM): Add.
4585 * config/darwin-c.c (handle_c_option): Add.
4586 (TARGET_HANDLE_C_OPTION): Add.
4588 * doc/invoke.texi (Darwin Options): Add -iframework.
4590 2007-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4592 * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
4595 2007-03-05 Ian Lance Taylor <iant@google.com>
4597 * c.opt (fgnu89-inline): New option.
4598 * c-opts.c (c_common_post_options): Set default value for
4600 * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
4601 (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
4603 (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
4604 (grokdeclarator, start_function): Likewise.
4605 * c-cppbuiltin.c (c_cpp_builtins): Define either
4606 __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
4607 * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
4608 (C Dialect Options): Document -fgnu89-inline.
4609 * doc/extend.texi (Function Attributes): Explain what the
4610 gnu_inline attribute does.
4611 * doc/cpp.texi (Common Predefined Macros): Document
4612 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
4614 2007-03-05 Ian Lance Taylor <iant@google.com>
4616 PR tree-optimization/31034
4617 * tree-vrp.c (extract_range_from_assert): Don't try to handle a
4618 half-range if the other side is an overflow infinity.
4620 2007-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
4622 * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
4623 (bfin*-linux-uclibc*): New configuration.
4624 * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
4626 * config/bfin/linux.h: New file.
4627 * config/bfin/libgcc-bfin.ver: New file.
4628 * config/bfin/t-bfin-uclinux: New file.
4629 * config/bfin/t-bfin-linux: New file.
4630 * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
4631 (TARGET_OS_CPP_BUILTINS): New macro.
4633 2007-03-05 Richard Guenther <rguenther@suse.de>
4635 * fold-const.c (fold_binary): Remove duplicate folding
4636 of comparison of non-null ADDR_EXPR against null.
4638 2007-03-05 Richard Guenther <rguenther@suse.de>
4639 Dorit Nuzman <dorit@il.ibm.com>
4641 PR tree-optimization/26420
4642 * tree-vectorizer.c (vectorize_loops): Bail out early if there
4643 are no loops in the function. Only print the number of
4644 vectorized loops if it is greater than zero or we are supposed
4645 to print information about unvectorized loops.
4647 2007-03-05 Revital Eres <eres@il.ibm.com>
4649 * gcc.dg/var-expand1.c: New test.
4650 * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
4651 when an accumulator is expanded.
4653 2007-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4656 * c-common.c (convert_and_check): Don't give warnings for
4657 conversion if 'expr' already overflowed.
4659 2007-03-04 Roger Sayle <roger@eyesopen.com>
4662 * fold-const.c (fold_comparison): Enforce type consistency when
4663 transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
4665 2007-03-04 Zdenek Dvorak <dvorakz@suse.cz>
4667 * tree-ssa-address.c (create_mem_ref): Do not put an expression
4668 containing a cast to the base of TARGET_MEM_REF.
4670 2007-03-04 Martin Michlmayr <tbm@cyrius.com>
4672 * tree.c (tree_contains_struct_check_failed): Remove spurious
4673 whitespace from error message.
4675 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
4678 * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
4679 instead of precision.
4681 2007-03-04 Roman Zippel <zippel@linux-m68k.org>
4682 Nathan Sidwell <nathan@codesourcery.com>
4684 * emit-rtl.c (find_auto_inc): New.
4685 (try_split): recreate REG_INC notes,
4686 Use regular for loops rather than whiles.
4688 2007-03-03 Andreas Schwab <schwab@suse.de>
4690 * configure.ac (HAVE_AS_REL16): Move test back to correct place.
4691 * configure: Regenerate.
4693 2007-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4695 * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
4696 flag_rounding_math, not flag_unsafe_math_optimizations.
4698 * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
4700 * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
4701 alpha_fold_vector_minmax): Likewise.
4702 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
4703 * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
4705 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
4707 * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
4708 (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
4709 if the lhs has side-effects.
4710 <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
4712 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
4714 * config/i386/i386.h (TUNEMASK): Remove define.
4715 (ARCHMASK): Remove define.
4716 (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
4717 Use ix86_arch_mask variable instead of ARCHMASK.
4718 * config/i386/i386.c (override_options): Ditto.
4719 (standard_80387_constant_p): Ditto.
4721 2007-03-02 Ian Lance Taylor <iant@google.com>
4723 Used signed infinities in VRP.
4724 * tree-vrp.c (uses_overflow_infinity): New static function.
4725 (supports_overflow_infinity): New static function.
4726 (make_overflow_infinity): New static function.
4727 (negative_overflow_infinity): New static function.
4728 (positive_overflow_infinity): New static function.
4729 (is_negative_overflow_infinity): New static function.
4730 (is_positive_overflow_infinity): New static function.
4731 (is_overflow_infinity): New static function.
4732 (overflow_infinity_range_p): New static function.
4733 (compare_values_warnv): New function split out of compare_values.
4734 (compare_value): Call it.
4735 (set_value_range_to_nonnegative): Add overflow_infinity
4736 parameter. Change caller.
4737 (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
4739 (vrp_expr_computes_nonzero): Likewise.
4740 (compare_ranges, compare_range_with_value): Likewise.
4741 (compare_name_with_value, compare_names): Likewise.
4742 (vrp_evaluate_conditional): Likewise.
4743 (set_value_range): Handle infinity
4744 (vrp_operand_equal_p, operand_less_p): Likewise.
4745 (extract_range_from_assert): Likewise.
4746 (vrp_int_const_binop): Likewise.
4747 (extract_range_from_binary_expr): Likewise.
4748 (extract_range_from_unary_expr): Likewise.
4749 (extract_range_from_comparison): Likewise.
4750 (extract_range_from_expr): Likewise.
4751 (dump_value_range): Likewise.
4752 (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
4753 (test_for_singularity): Likewise.
4754 (vrp_int_const_binop): Remove inline qualifier.
4755 (adjust_range_with_scev): Add comment.
4756 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4758 2007-03-02 Diego Novillo <dnovillo@redhat.com>
4760 * tree-ssa-structalias.c (could_have_pointers): Tidy.
4761 (get_constraint_for): Likewise.
4762 (do_structure_copy): Likewise.
4763 (find_func_aliases): Fix references to MODIFY_EXPR.
4764 (intra_create_variable_infos): Tidy.
4765 * tree-ssa-operands.c (add_virtual_operand): Add argument
4767 When adding members of alias sets, if IS_CALL_SITE is true and
4768 the symbol is not call-clobbered, skip it.
4771 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
4773 * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
4774 entry by means of emit_insn_at_entry.
4776 2007-03-02 Richard Henderson <rth@redhat.com>
4778 * expr.h (promoted_input_arg): Remove decl.
4779 * function.c (promoted_input_arg): Merge into ...
4780 * combine.c (setup_incoming_promotions): ... only caller.
4781 Rearrange to avoid double loop.
4783 2007-03-02 Ben Elliston <bje@au.ibm.com>
4784 Peter Bergner <bergner@vnet.ibm.com>
4785 Janis Johnson <janis187@us.ibm.com>
4787 * config/rs6000/dfp.md: New file.
4788 * config/rs6000/rs6000.md: Include dfp.md.
4789 (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
4790 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
4791 and TDmode decimal float modes in FP registers.
4792 (num_insns_constant): Likewise.
4793 (rs6000_legitimate_offset_address_p): Likewise.
4794 (rs6000_legitimize_address): Likewise.
4795 (rs6000_legitimize_reload_address): Likewise.
4796 (rs6000_legitimate_address): Likewise.
4797 (rs6000_emit_move): Likewise.
4798 (function_arg_boundary): Likewise.
4799 (function_arg_advance): Likewise.
4800 (rs6000_darwin64_record_arg_recurse): Likewise.
4801 (function_arg): Likewise.
4802 (rs6000_gimplify_va_arg): Likewise.
4803 (rs6000_split_multireg_move): Likewise.
4804 (rs6000_output_function_epilogue): Likewise.
4805 (rs6000_output_function_epilogue): Likewise.
4806 (rs6000_register_move_cost): Likewise.
4807 (rs6000_function_value): Likewise.
4808 (rs6000_libcall_value): Likewise.
4810 2007-03-02 Richard Sandiford <richard@codesourcery.com>
4812 * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
4814 2007-03-02 Richard Sandiford <richard@codesourcery.com>
4816 * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
4817 Use $MULTIDIR to choose between the kernel and RTP headers,
4818 and use $WIND_BASE and $WIND_USR to locate them.
4820 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
4822 * config/i386/i386.c (override_options): Put initialization of
4823 ix86_tune_mask and ix86_arch_mask to the correct place.
4825 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
4826 Michael Meissner <michael.meissner@amd.com>
4829 * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
4831 (TARGET_CMOVE): Use ARCHMASK.
4832 (TARGET_CMPXCHG): Ditto.
4833 (TARGET_CMPXCHG8B): Ditto.
4834 (TARGET_XADD): Ditto.
4835 (TARGET_BSWAP): Ditto.
4836 * config/i386/i386.c (ix86_tune_mask): New global variable.
4837 (ix86_arch_mask): Ditto.
4838 (override_options): Initialize ix86_tune_mask and
4839 ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
4842 2007-03-02 Ben Elliston <bje@au.ibm.com>
4845 * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
4847 2007-03-02 Joseph Myers <joseph@codesourcery.com>
4849 * target.h (init_dwarf_reg_sizes_extra): New target hook.
4850 * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
4851 * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
4852 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
4854 * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
4855 rs6000_init_dwarf_reg_sizes_extra): New.
4856 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
4857 SPE register high parts.
4859 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
4861 * Makefile.in: Add install-pdf target as
4862 copied from automake v1.10 rules.
4863 * configure.ac: Add install-pdf to target list.
4864 * configure: Regenerate.
4866 2007-03-01 Paul Brook <paul@codesourcery.com>
4868 * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
4869 modes to LDRD for DImode.
4870 (output_move_double): Fixup out of range ldrd/strd.
4871 (vfp_secondary_reload_class): Rename...
4872 (coproc_secondary_reload_class): ... to this. Add wb argument.
4873 * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
4874 coproc_secondary_reload_class for CLASS_IWMMXT.
4875 (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
4876 * arm-protos.h (coproc_secondary_reload_class): Update prototype.
4878 2007-03-01 Zdenek Dvorak <dvorakz@suse.cz>
4880 * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the unroll
4881 factor by the estimated number of iterations.
4882 (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
4885 * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
4886 decode_caches_intel, detect_caches_intel): New functions.
4887 (host_detect_local_cpu): Use detect_caches_amd and
4888 detect_caches_intel.
4890 2007-03-01 Richard Henderson <rth@redhat.com>
4892 * expr.c (emit_move_complex_push): Export.
4893 (emit_move_complex_parts): Split out from ...
4894 (emit_move_complex): ... here.
4895 * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
4896 * config/i386/i386.md (movcdi): New.
4898 2007-03-01 Uros Bizjak <ubizjak@gmail.com>
4900 * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
4901 size of mode1 to check for tieable modes in MMX case.
4903 2007-03-01 Richard Sandiford <richard@codesourcery.com>
4905 * Makefile.in (rtlanal.o): Depend on tree.h.
4906 * rtl.h (offset_within_section_p, split_const): Declare.
4907 * rtlanal.c: Include tree.h.
4908 (offset_within_block_p): New function, taken from
4909 mips_offset_within_object_p.
4910 (split_const): New function, taken from mips_split_const.
4911 * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
4913 * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
4914 (CONSTANT_ADDRESS_P): Only accept legitimate constants.
4915 (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
4916 * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
4917 (m68k_illegitimate_symbolic_constant_p): New function.
4918 * config/m68k/m68k.md (movsi): Remove misleading predicates.
4919 If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
4920 symbolic constant that might be outside the symbol's section,
4921 move the symbol first and then add the offset.
4922 * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
4924 * config/mips/mips.c (mips_split_const): Delete.
4925 (mips_offset_within_object_p): Delete.
4926 (mips_symbolic_constant_p): Use offset_within_section_p and
4927 split_const instead of mips_offset_within_object_p and
4929 (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
4930 (mips_legitimize_const_move, print_operand_reloc)
4931 (mips_dangerous_for_la25_p): Use split_const instead of
4934 2007-02-28 Eric Christopher <echristo@apple.com>
4936 * Makefile.in (install-include-dir): Don't rm -rf include.
4938 2007-02-28 Richard Guenther <rguenther@suse.de>
4941 * fold-const.c (fold_binary): Do not associate expressions
4942 with more than one variable for integer types that do not wrap.
4944 2007-02-28 Sandra Loosemore <sandra@codesourcery.com>
4946 * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
4947 Delete, and replace with...
4948 (fold_builtin_call_array): This. Update callers to use it.
4949 * fold-const.c (fold_build_call_list): Delete, and replace with...
4950 (fold_build_call_array): This.
4951 (fold_build_call_list_initializer): Delete, and replace with...
4952 (fold_build_call_array_initializer): This.
4953 * tree.h: Update declarations to reflect above changes.
4955 * c-typeck.c (build_function_call): Store converted arguments
4956 in a stack-allocated array instead of building a list.
4957 (convert_arguments): Store arguments in the array passed in as an
4958 argument, and return the actual number of arguments.
4959 * c-format.c: (check_function_format): Pass arguments in an
4960 array instead of a list.
4961 * c-common.c (check_function_nonnull): Likewise.
4962 (check_function_sentinel): Likewise.
4963 (check_function_arguments): Likewise.
4964 * c-common.h: Update declarations to reflect above changes.
4966 2007-02-28 Jan Hubicka <jh@suse.cz>
4968 * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
4969 PRED_NEGATIVE_RETURN): Update outcomes.
4971 2007-02-28 Bernd Schmidt <bernd.schmidt@analog.com>
4973 * calls.c (emit_library_call_value_1): Handle partial registers
4974 correctly when building up CALL_INSN_FUNCTION_USAGE.
4976 2007-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4978 * pa/predicates.md (move_src_operand): Allow zero for mode.
4979 * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
4982 2007-02-27 Uros Bizjak <ubizjak@gmail.com>
4985 * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
4986 *movv2df_internal): Enable pattern only for valid operand
4988 * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
4989 tie only 128bit modes. For MMX registers, tie only 64bit modes.
4991 2007-02-27 Mike Stump <mrs@apple.com>
4993 * config/darwin-crt3.c: Avoid compilation when compiling for a
4996 2007-02-27 Joseph Myers <joseph@codesourcery.com>
4998 * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
5000 (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
5001 for fixed headers and limits.h.
5002 (install-include-dir, install-headers-tar, install-headers-cpio,
5003 install-headers-cp, real-install-headers-tar,
5004 real-install-headers-cpio, real-install-headers-cp): Handle
5005 include-fixed as well as include.
5006 (install-mkheaders): Don't install files that go only in include
5008 * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
5009 from GCC_INCLUDE_DIR.
5010 * gcc.c (process_command): Remove special -BstageN/ handling.
5011 (do_spec_1): Add include-fixed directories.
5013 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
5015 * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
5017 * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
5019 * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
5022 2007-02-27 Mark Mitchell <mark@codesourcery.com>
5024 * c-common.c (get_priority): Add check for
5025 SUPPORTS_INIT_PRIORITY.
5027 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
5029 * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
5031 * config/bfin/bfin.c: Include "cfglayout.h".
5032 (MAX_LSETUP_DISTANCE): New macro.
5033 (struct loop_info): New members incoming, incoming_src and
5034 incoming_dest. Delete member predecessor.
5035 (length_for_loop): New function.
5036 (bfin_optimize_loop): Handle more different loop structures.
5037 (bfin_discover_loop): Rework detection of predecessor blocks by
5038 examining incoming edges.
5039 (bfin_discover_loops, bfin_free_loops): New functions, broken out of
5041 (bfin_reorder_loops): New function.
5042 (bfin_reorg_loops): Use these three new functions.
5044 * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
5045 REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
5046 (CONSTRAINT_LEN): Add entry for 'q'.
5047 (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
5048 Add 'q' constraints.
5049 (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
5050 (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
5052 * config/bfin/bfin.md (add_with_carry): New pattern.
5053 (s_or_u, su_optab, su_modifier): New code macros/attrs.
5054 (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
5055 <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
5056 support unsigned multiplies too. Removed incorrect commutativity from
5057 operand 1 constraint where appropriate.
5058 (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
5060 (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
5061 <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
5063 (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
5064 usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
5065 usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
5066 usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
5067 usmulhisi_hh_huh): New patterns.
5069 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
5070 lshifthi3): Fix output template to use half reg for operand 2.
5072 * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
5075 * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
5077 2007-02-27 Andreas Schwab <schwab@suse.de>
5079 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
5081 2007-02-27 Jan Hubicka <jh@suse.cz>
5083 * predict.c (last_basic_block_p): Remove.
5084 (tree_estimate_probability): Update return heuristic for commonized
5087 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
5089 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
5091 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
5093 * doc/include/gcc-common.texi (versionsubtitle): New macro.
5094 * doc/cpp.texi: Standardize title page.
5095 * doc/cppinternals.texi: Likewise.
5096 * doc/gcc.texi: Standardize title page, remove version number
5097 from copyright page.
5098 * doc/gccint.texi: Likewise.
5099 * doc/install.texi: Standardize title page, add table of
5102 2007-02-26 Jan Hubicka <jh@suse.cz>
5104 * predict.def: Set outcomes according to more recent results.
5105 (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
5106 Remove dead predictors.
5107 * predict.c (return_prediction): Fix pasto.
5109 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
5111 * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
5112 change; avoid a memory leak when returning early.
5114 2007-02-26 Mark Mitchell <mark@codesourcery.com>
5116 * c-decl.c (static_ctors): Move to c-common.c.
5117 (static_dtors): Likewise.
5118 (finish_function): Use c_record_cdtor_fn.
5119 (build_cdtor): Move to c-common.c.
5120 (c_write_global_declarations): Use c_build_cdtor_fns.
5121 * c-common.h (static_ctors): Declare.
5122 (static_dtors): Likewise.
5123 (c_record_cdtor_fn): Likewise.
5124 (c_build_cdtor_fns): Likewise.
5125 * c-common.c (static_ctors): New variable.
5126 (static_dtors): Likewise.
5127 (c_record_cdtor_fn): New function.
5128 (build_cdtor): Move from c-decl.c
5129 (c_build_cdtor_fns): New function.
5131 * output.h (assemble_addr_to_section): Declare.
5132 (get_cdtor_priority_section): Likewise.
5133 * varasm.c (assemble_addr_to_section): New function.
5134 (get_cdtor_priority_section): Likewise.
5135 (default_named_section_asm_out_destructor): Use them.
5136 (destor_dtor_section_asm_out_destructor): Likewise.
5137 (default_named_section_asm_out_constructor): Likewise.
5138 (default_ctor_section_asm_out_constructor): Likewise.
5139 * config.gcc (*-*-vxworks*): Include vxworks.o.
5140 * config/t-vxworks (vxworks.o): New target.
5141 * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
5142 (TARGET_ASM_CONSTRUCTOR): Define.
5143 (TARGET_ASM_DESTRUCTOR): Likewise.
5144 (vxworks_asm_out_constructor): Declare.
5145 (vxworks_asm_out_destructor): Likewise.
5147 * c-common.c (get_priority): Check that we have not just an
5148 INTEGER_CST, but an integer constant with integeral type.
5150 2007-02-25 Uros Bizjak <ubizjak@gmail.com>
5152 PR tree-optimization/30938
5153 * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
5154 use &dt[nargs-1] instead of &dt[nargs] in the call to
5155 vect_is_simple_use().
5157 2007-02-25 Ulrich Weigand <uweigand@de.ibm.com>
5159 * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
5160 from register elimination as PRE_MODIFY / POST_MODIFY increments.
5161 Do not attempt to handle MEM inside auto-inc expressions.
5162 * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
5163 of a register modified by an auto-inc expression. However, do handle
5164 elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
5165 (elimination_effects): Prohibit elimination of a register modified
5166 by an auto-inc expression. Disable register elimination rules whose
5167 target register is modified by an auto-inc expression with variable
5170 2007-02-25 Zdenek Dvorak <dvorakz@suse.cz>
5172 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
5174 (array_at_struct_end_p): New function.
5175 (idx_infer_loop_bounds): Use it.
5176 (estimate_numbers_of_iterations_loop): Export.
5177 * predict.c (predict_loops): Use estimated_loop_iterations_int.
5178 Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
5179 (tree_estimate_probability): Call record_loop_exits.
5180 * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
5181 (estimated_loop_iterations, estimated_loop_iterations_int,
5182 estimated_loop_iterations_tree): New functions.
5183 (analyze_siv_subscript_cst_affine,
5184 compute_overlap_steps_for_affine_1_2,
5185 analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
5186 (analyze_miv_subscript): Use estimated_loop_iterations_tree.
5187 * predict.def (PRED_LOOP_ITERATIONS): Update comment.
5188 (PRED_LOOP_ITERATIONS_GUESSED): New.
5189 * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
5190 * cfgloop.h (estimate_numbers_of_iterations_loop,
5191 estimated_loop_iterations_int): Declare.
5193 2007-02-25 Mark Mitchell <mark@codesourcery.com>
5195 * doc/extend.texi: Document optional priority argument to
5196 constructors and destructors.
5197 * tree.c (init_priority_for_decl): Adjust GTY markers.
5198 (init_ttree): Use priority-info hash functions for
5199 init_priority_for_decl.
5200 (tree_map_eq): Rename to ...
5201 (tree_map_base_eq): ... this.
5202 (tree_map_marked_p): Rename to ...
5203 (tree_map_base_marked_p): ... this.
5204 (tree_map_base_hash): New function.
5205 (decl_init_priority_lookup): Rework.
5206 (decl_fini_priority_lookup): New function.
5207 (decl_priority_info): New function.
5208 (decl_init_priority_insert): Use it.
5209 (decl_fini_priority_insert): Likewise.
5210 (decl_restrict_base_lookup): Adjust for refactoring of tree_map
5212 (decl_restrict_base_insert): Likewise.
5213 (decl_debug_expr_insert): Likewise.
5214 (decl_value_expr_lookup): Likewise.
5215 (decl_value_expr_insert): Likewise.
5216 * tree.h (priority_type): New type.
5217 (decl_init_priority_lookup): Use priority_type.
5218 (decl_fini_priority_lookup): New function.
5219 (decl_init_priority_insert): Use priority_type.
5220 (decl_fini_priority_insert): New function.
5221 (DECL_HAS_INIT_PRIORITY): Tweak comments.
5222 (DECL_INIT_PRIORITY): Likewise.
5223 (SET_DECL_INIT_PRIORITY): Add comment.
5224 (DECL_FINI_PRIORITY): New macro.
5225 (SET_DECL_FINI_PRIORITY): Likewise.
5226 (DEFAULT_INIT_PRIORITY): Document.
5227 (MAX_INIT_PRIORITY): Likewise.
5228 (MAX_RESERVED_INIT_PRIORITY): Likewise.
5229 (tree_map_base): New type.
5230 (tree_map_base_eq): New function.
5231 (tree_map_base_hash): Likewise.
5232 (tree_map_base_marked_p): Likewise.
5233 (tree_map): Inherit from tree_map_base.
5234 (tree_map_eq): Make it a macro.
5235 (tree_map_marked_p): Likewise.
5236 (tree_int_map): Inherit from tree_map_base.
5237 (tree_int_map_eq): Make it a macro.
5238 (tree_int_map_hash): Likewise.
5239 (tree_int_map_marked_p): Likewise.
5240 (tree_priority_map): New type.
5241 (tree_priority_map_eq): New macro.
5242 (tree_priority_map_hash): Likewise.
5243 (tree_priority_map_marked_p): Likewise.
5244 * varasm.c (emults_decl): Adjust for refactoring of tree_map
5246 (emutls_common_1): Likewise.
5247 * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
5248 * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
5249 of tree_map hierarchy.
5250 * tree-cfg.c (move_stmt_r): Likewise.
5251 (new_label_mapper): Likewise.
5252 * c-tree.h (c_expand_body): Move to ...
5253 * c-common.h (c_expand_body): ... here.
5254 * c-decl.c (c_expand_body): Move to ...
5255 * c-common.c (c_expand_body): ... here.
5256 (c_common_attribute_table): Allow 1 argument for the constructor
5257 and destructor attributes.
5258 (get_priority): New function.
5259 (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
5260 (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
5262 2007-02-24 Jan Hubicka <jh@suse.cz>
5265 * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
5267 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
5268 Jan Hubicka <jh@suse.cz>
5271 * i386.c (counter_mode): New function.
5272 (expand_set_or_movmem_via_loop): Use it.
5273 (expand_movmem_epilogue): Likewise; fix pasto.
5274 (ix86_expand_movmem): Do emit guard even for constant counts.
5275 (ix86_expand_setmem): Likewise.
5277 2007-02-25 Nick Clifton <nickc@redhat.com>
5279 * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
5280 (JUMP_TABLES_IN_TEXT_SECTION): Define.
5282 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
5285 * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
5286 count argument with 0x10, not with 0x16.
5287 (expand_setmem_epilogue): Ditto.
5289 2007-02-24 Mike Stump <mrs@apple.com>
5291 * config/i386/i386.c (output_pic_addr_const): Stubify optimized
5294 2007-02-24 Richard Guenther <rguenther@suse.de>
5297 * fold-const.c (fold_binary): Fold x +- CST op x for
5298 EQ_EXPR and NE_EXPR.
5300 2007-02-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5302 * pa.md (muldi3): Force subregs to registers in 64-bit expander.
5304 2007-02-24 Jan Hubicka <jh@suse.cz>
5306 * cgraphunit.c (decide_is_function_needed): Honor
5307 -fkeep-inline-functions.
5309 2007-02-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5311 * builtins.c (fold_builtin_modf): New.
5312 (fold_builtin_2): Use it.
5314 2007-02-24 Bernd Schmidt <bernd.schmidt@analog.com>
5316 * loop-iv.c (implies_p): Detect additional cases where A implies B.
5317 (determine_max_iter): Take additional LOOP arg; all callers changed.
5318 Lose broken logic dealing with PLUS. Try to limit the upper bound by
5319 one using simplifications.
5320 (simplify_using_initial_values): Return if the expression becomes
5321 invalid due to altered regs.
5323 2007-02-23 DJ Delorie <dj@redhat.com>
5325 * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
5327 2007-02-23 Mike Stump <mrs@apple.com>
5329 * tlink.c (scan_linker_output): Parse linker messages from
5330 darwin9's linker better.
5332 2007-02-23 Steve Ellcey <sje@cup.hp.com>
5335 * varpool.c (varpool_assemble_pending_decls): Set
5336 varpool_last_needed_node to null.
5338 2007-02-23 DJ Delorie <dj@redhat.com>
5340 * config/i386/i386.c (ix86_data_alignment): Don't specify an
5341 alignment bigger than the object file can handle.
5343 2007-02-23 Uros Bizjak <ubizjak@gmail.com>
5346 * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
5347 zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
5348 (*movsf_1): Penalize MMX moves.
5350 2007-02-23 Bernd Schmidt <bernd.schmidt@analog.com>
5352 * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
5353 2^32-1 or more times unless flag_unsafe_loop_optimizations.
5355 * loop-iv.c (determine_max_iter): Moved in front of its sole user.
5357 2007-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5359 * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
5360 (fold_builtin_1): Use them.
5361 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
5362 BUILT_IN_SIGNIFICAND.
5364 2007-02-23 H.J. Lu <hongjiu.lu@intel.com>
5366 * config/i386/i386.c (bdesc_1arg): Initialize
5367 IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
5368 "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
5369 (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
5370 and IX86_BUILTIN_MOVSLDUP.
5372 2007-02-22 Paolo Bonzini <bonzini@gnu.org>
5374 PR rtl-optimization/30841
5375 * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
5377 2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5379 * builtins.c (fold_builtin_frexp): New.
5380 (fold_builtin_2): Use it.
5382 2007-02-22 Mark Mitchell <mark@codesourcery.com>
5384 * doc/invoke.texi (Spec Files): Document getenv spec function.
5386 * gcc.c (getenv_spec_function): New function.
5387 (static_spec_functions): Add it.
5388 * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
5389 (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
5392 2007-02-22 Michael Matz <matz@suse.de
5395 * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
5396 (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
5398 2007-02-22 Ian Lance Taylor <iant@google.com>
5401 * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
5402 (mem_loc_descriptor): Call it.
5404 2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
5405 Ira Rosen <irar@il.ibm.com>
5407 * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
5409 2007-02-22 Ira Rosen <irar@il.ibm.com>
5411 PR tree-optimization/30843
5412 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
5413 stores only after all the group is vectorized.
5415 2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
5417 PR tree-optimization/30858
5418 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
5419 in the reduction cycle have a single use in the loop.
5420 * tree-vectorizer.h (relevant): Add documentation.
5422 2007-02-20 Mike Stump <mrs@apple.com>
5424 * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
5425 * configure: Regenerate.
5427 2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
5429 Change the defaults of some parameters and options.
5430 * config/spu/spu-protos.h (spu_optimization_options): Declare.
5431 * config/spu/spu.c (spu_optimization_options): Add.
5432 (spu_override_options): Change params in spu_optimization_options.
5433 * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
5435 Register 127 is only 16 byte aligned when used as a frame pointer.
5436 * config/spu/spu-protos.h (spu_init_expanders): Declare.
5437 * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
5438 HARD_FRAME_POINTER_REGNUM.
5439 (spu_legitimate_address): Use regno_aligned_for_reload.
5440 (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
5441 aligned when frame_pointer_needed is true.
5442 (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
5444 * config/spu/spu.h (INIT_EXPANDERS): Define.
5446 Make sure shift and rotate instructions have valid immediate operands.
5447 * config/spu/predicates.md (spu_shift_operand): Remove.
5448 * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
5449 * config/spu/constraints.md (W, O): Extend range.
5450 * config/spu/spu.md (umask, nmask): Define.
5451 (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
5452 lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
5453 rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
5454 rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
5455 spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
5456 (lshr<mode>3_reg): Fix rtl description.
5458 Make sure mulhisi immediate operands are valid.
5459 * config/spu/predicates.md (imm_K_operand): Add.
5460 * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
5462 Generate constants using fsmbi and andi.
5463 * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
5464 (print_operand, spu_split_immediate, classify_immediate,
5465 fsmbi_const_p): Handle IC_FSMBI2.
5467 Correctly handle a CONST_VECTOR containing symbols.
5468 * config/spu/spu.c (print_operand): Handle HIGH correctly.
5469 (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
5470 (immediate_load_p): Allow symbols that use 2 instructions to create.
5471 (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
5472 with symbols when flag_pic is set.
5473 (const_vector_immediate_p): New.
5474 (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
5475 accept a CONST_VECTOR with symbols.
5476 (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
5477 accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
5479 * config/spu/spu.md (high, low): Delete.
5480 (low_<mode>): Define.
5482 Remove INTRmode and INTR_REGNUM, which didn't work.
5483 * config/spu/spu.c (spu_conditional_register_usage): Remove reference
5485 * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
5486 set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
5487 peephole2 pattern): Don't use INTR or 131.
5488 (movintrcc): Delete.
5489 * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
5490 CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
5491 * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
5492 (UNSPEC_SET_INTR): Add.
5493 * config/spu/spu-modes.def (INTR): Remove.
5495 More accurate warnings about run-time relocations.
5496 * config/spu/spu.c (reloc_diagnostic): Test in_section.
5498 Correctly warn about immediate arguments to specific intrinsics.
5499 * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
5500 (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
5501 the instruction predicate.
5503 Fix tree check errors with latest update.
5504 * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
5506 (spu_expand_builtin): Use CALL_EXPR_FN.
5508 Add missing specific intrinsics.
5509 * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
5511 * config/spu/spu_internals.h: Ditto.
5513 Fix incorrect operand modifiers.
5514 * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
5515 * config/spu/spu.md (xor<mode>3): Change %S to %J.
5517 Optimize one case of zero_extend of a vec_select.
5518 * config/spu/spu.md (_vec_extractv8hi_ze): Add.
5520 Accept any immediate for hbr.
5521 * config/spu/spu.md (hbr): Change s constraints to i.
5523 2007-02-21 Paul Brook <paul@codesourcery.com>
5525 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
5526 condexec_count when skipping USE and CLOBBER.
5528 2007-02-21 Nick Clifton <nickc@redhat.com>
5530 * common.opt (Warray-bounds): Add Warning attribute.
5531 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
5533 (fsized-zeroes): Add Optimization attribute.
5534 (fsplit-wide-types, ftree-scev-cprop): Likewise.
5535 * c.opt (Wc++0x-compat): Add Warning attribute.
5537 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
5540 * reload1.c (eliminate_regs_in_insn): In the single_set special
5541 case, attempt to re-recognize the insn before falling back to
5542 having reload fix it up.
5544 2007-02-20 Eric Christopher <echristo@gmail.com>
5546 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
5547 Rewrite accordingly.
5548 (frv_read_iacc_argument): Ditto.
5549 (frv_expand_set_builtin): Take a call instead of arglist, update for
5551 (frv_expand_unop_builtin): Ditto.
5552 (frv_expand_binop_builtin): Ditto.
5553 (frv_expand_cut_builtin): Ditto.
5554 (frv_expand_binopimm_builtin): Ditto.
5555 (frv_expand_voidbinop_builtin): Ditto.
5556 (frv_expand_int_void2arg): Ditto.
5557 (frv_expand_prefetches): Ditto.
5558 (frv_expand_voidtriop_builtin): Ditto.
5559 (frv_expand_voidaccop_builtin): Ditto.
5560 (frv_expand_load_builtin): Ditto.
5561 (frv_expand_store_builtin): Ditto.
5562 (frv_expand_mdpackh_builtin): Ditto.
5563 (frv_expand_mclracc_builtin): Ditto.
5564 (frv_expand_mrdacc_builtin): Ditto.
5565 (frv_expand_mwtacc_builtin): Ditto.
5566 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
5569 2007-02-20 Janis Johnson <janis187@us.ibm.com>
5571 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
5572 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
5574 (HAVE_GAS_DFP): Check for assembler support of decimal floating
5576 * configure: Regenerate.
5577 * config.in: Regenerate.
5578 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
5579 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
5580 masks to power6 and power6x and to POWERPC_MASKS.
5581 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5583 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
5584 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
5585 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
5586 Access PROTOTYPE as variable, not mask.
5588 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
5590 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
5591 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
5592 * combine.c (adjust_for_new_dest): Use it.
5593 * postreload.c (reload_combine): Likewise.
5595 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
5597 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
5598 notes on an insn with multiple sets, even if single_set returns
5599 non-NULL for that insn.
5601 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5603 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
5606 2007-02-20 Geoffrey Keating <geoffk@apple.com>
5608 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
5609 if user didn't pass it.
5610 * config/i386/darwin.h (CC1_SPEC): Likewise.
5611 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
5612 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
5613 -mmacosx-version-min.
5615 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5616 Uros Bizjak <ubizjak@gmail.com>
5618 * optabs.h (enum optab_index): Add new OTI_scalb.
5619 (scalb_optab): Define corresponding macro.
5620 * optabs.c (init_optabs): Initialize scalb_optab.
5621 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
5623 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
5624 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
5625 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
5626 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
5627 flag_unsafe_math_optimizations is set.
5629 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
5630 to implement scalbf, scalb and scalbl built-ins as inline x87
5633 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5634 DJ Delorie <dj@redhat.com>
5637 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
5638 (diagnostic_report_diagnostic): ... here, and turn them into real
5639 errors. If warnings are inhibited, no need to do anything.
5641 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
5643 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
5644 better code generation.
5646 2007-02-20 Ben Elliston <bje@au.ibm.com>
5648 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
5650 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
5652 * config/alpha/alpha.c, config/alpha/alpha.md,
5653 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
5654 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
5655 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
5656 config/arm/lib1funcs.asm: Follow spelling conventions.
5658 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
5659 config/fr30/fr30.md, config/i386/i386.h,
5660 config/iq2000/iq2000.h, config/iq2000/predicates.md,
5661 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
5662 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
5663 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
5664 config/rs6000/altivec.md, config/rs6000/rs6000.c,
5665 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
5666 config/sparc/sparc.c, config/sparc/sparc.h,
5667 config/sparc/sparc.md, config/spu/constraints.md,
5668 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
5671 2007-02-20 Alan Modra <amodra@bigpond.net.au>
5674 * varasm.c (use_blocks_for_decl_p): Return false for decls with
5677 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
5679 * doc/invoke.texi (-ftree-lrs): Remove.
5681 2007-02-19 Diego Novillo <dnovillo@redhat.com>
5683 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
5686 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
5688 * config/ia64/ia64.c (ia64_expand_builtin): Use the
5689 new CALL_EXPR_FN macro for retrieving the function
5690 declaration of the input expression.
5692 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5694 * c.opt (Waddress): New.
5695 * common.opt (Walways-true): Delete.
5696 (Wstring-literal-comparison): Delete.
5697 * doc/invoke.texi (Warning Options): Delete -Walways-true and
5698 -Wstring-literal-comparison. Add -Waddress.
5700 (Walways-true): Delete.
5701 (Wstring-literal-comparison): Delete.
5702 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
5703 consistently instead of -Walways-true in example.
5704 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
5705 * c-typeck.c (parser_build_binary_op): Replace
5706 -Wstring-literal-comparison and -Walways-true with -Waddress.
5707 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
5710 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
5712 * tree-cfg.c (dump_function_to_file): Be prepared for functions
5713 without DECL_STRUCT_FUNCTION initialized.
5715 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
5717 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
5718 due to calls to functions taking pointers as parameters.
5720 2007-02-19 Richard Henderson <rth@redhat.com>
5723 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
5726 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
5728 * config/s390/s390.c (s390_call_saved_register_used,
5729 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
5730 accessed to the new scheme.
5732 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5734 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
5735 (cris_print_index, cris_print_operand, cris_print_operand_address)
5736 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
5737 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
5738 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
5740 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
5741 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
5742 GO_IF_LEGITIMATE_ADDRESS): Ditto.
5743 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
5744 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
5745 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
5746 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
5747 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
5748 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
5749 (uminsi3, call, call_value): Ditto.
5750 (define_split: indir_to_reg_split, unnamed): Ditto.
5752 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
5754 PR tree-optimization/30975
5755 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
5758 2007-02-18 Eric Christopher <echristo@gmail.com>
5760 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
5761 Remove use of arglist.
5762 (mips_expand_builtin): Remove use of arglist, pass in expr.
5763 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
5764 (mips_expand_builtin_movtf): Ditto.
5765 (mips_expand_builtin_compare): Ditto.
5767 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
5769 * tree-sra.c (sra_build_assignment): Replace assertion
5770 checking with a comment explaining why it can't be done.
5772 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
5775 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
5776 during CALL_EXPR representation conversion.
5777 * tree-ssa-propagate.c (set_rhs): Likewise.
5779 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
5781 * tree-sra.c (sra_build_assignment): Disable assertion checking
5784 2007-02-18 Roger Sayle <roger@eyesopen.com>
5786 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
5787 instead of calling build2 with a GIMPLE_MODIFY_STMT.
5788 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
5790 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
5791 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
5792 gimplify_init_ctor_eval_range, gimple_push_cleanup,
5793 gimplify_omp_for, gimplify_omp_atomic_pipeline,
5794 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
5795 force_gimple_operand): Likewise.
5796 * ipa-cp.c (constant_val_insert): Likewise.
5797 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5798 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
5799 perfect_nestify): Likewise.
5800 * langhooks.c (lhd_omp_assignment): Likewise.
5801 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
5802 lower_copyprivate_clauses, lower_send_clauses,
5803 lower_send_shared_vars, expand_parallel_call,
5804 expand_omp_for_generic, expand_omp_for_static_nochunk,
5805 expand_omp_for_static_chunk, expand_omp_sections,
5806 lower_omp_single_copy, lower_omp_for_lastprivate,
5807 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
5808 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
5809 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
5812 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
5814 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
5815 config/sh/sh.md: Follow spelling conventions.
5817 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
5818 config/frv/predicates.md: Follow spelling conventions.
5820 * config/m68k/linux-unwind.h: Fix a comment typo.
5821 * target.h: Follow spelling conventions.
5823 2007-02-18 Roger Sayle <roger@eyesopen.com>
5825 PR rtl-optimization/28173
5826 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
5827 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
5828 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
5829 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
5830 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
5832 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5834 * builtins.c (fold_builtin_load_exponent): New.
5835 (fold_builtin_2): Use it.
5837 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
5839 PR rtl-optimization/30773
5840 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
5841 if we fail to attach a REG_EQUIV note.
5843 2007-02-18 David Edelsohn <edelsohn@gnu.org>
5844 Roger Sayle <roger@eyesopen.com>
5846 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
5848 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
5850 * calls.c (initialize_argument_information): Pass original EXP
5851 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
5852 code to split complex arguments here, as part of initializing the
5854 (expand_call): Remove code that builds a list of arguments and
5855 inserts implicit arguments into it. Instead, just count how many
5856 implicit arguments there will be so we can determine the size of
5857 the ARGS array, and let initialize_argument_information do the work.
5858 (split_complex_values): Delete unused function.
5860 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
5862 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
5864 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
5866 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
5867 for arg pointer based indexed addressing.
5869 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
5871 * config/ia64/ia64.h, config/ia64/ia64.md,
5872 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
5873 spelling conventions.
5875 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
5877 * config/m68k/m68k.c (split_di): New.
5878 * config/m68k/m68k-protos.h: Declare split_di.
5879 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
5880 Improve predicate handling and split constant shifts.
5882 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
5884 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
5885 parameter for register bitfield operations, general predicates
5888 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
5890 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
5891 * config/m68k/linux-unwind.h: New file.
5893 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
5895 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
5896 config/i386/athlon.md, config/ia64/ia64.md,
5897 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
5898 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
5899 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
5900 tree-ssa-loop-niter.c, tree-vect-analyze.c,
5901 tree-vect-transform.c: Fix comment typos.
5903 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
5905 * sched-deps.c (find_insn_list): Remove.
5906 * sched-int.h: Remove the prototype for find_insn_list.
5908 2007-02-16 Geoffrey Keating <geoffk@apple.com>
5910 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
5912 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
5913 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
5914 darwin_rs6000_override_options.
5915 (C_COMMON_OVERRIDE_OPTIONS): Expect
5916 darwin_macosx_version_min to be non-NULL always.
5917 (TARGET_C99_FUNCTIONS): Likewise.
5918 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
5919 (DARWIN_MINVERSION_SPEC): New.
5920 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
5921 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
5923 (DARWIN_MINVERSION_SPEC): New.
5924 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
5926 * config/darwin-c.c (darwin_cpp_builtins): Expect
5927 darwin_macosx_version_min to be non-NULL always.
5929 * config/rs6000/rs6000.c: Clean up trailing whitespace.
5931 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
5933 * config/i386/i386.h (x86_use_xchgb): New.
5934 (TARGET_USE_XCHGB): New macro.
5935 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
5936 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
5937 Split after reload into bswaphi for shifts of 8.
5938 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
5939 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
5940 or when optimizing for size.
5942 2007-02-16 Richard Guenther <rguenther@suse.de>
5943 Christian Bruel <christian.bruel@st.com>
5945 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
5946 DECLs but prefer SSA_NAMEs over DECLs.
5948 2007-02-16 Richard Guenther <rguenther@suse.de>
5950 * tree-flow-inline.h (single_imm_use_p): Remove.
5951 (zero_imm_uses_p): Likewise.
5952 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
5953 instead of single_imm_use_p.
5954 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
5957 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5960 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
5961 nested double- and backquotes.
5963 2007-02-15 Roger Sayle <roger@eyesopen.com>
5966 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
5967 should be unreachable.
5968 (build2_stat): Allow construction of MODIFY_EXPR at any time.
5969 For the time being redirect GIMPLE_MODIFY_STMT to the new
5970 (renamed) build_gimple_modify_stmt_stat.
5971 (build2_gimple_stat): Rename to...
5972 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
5973 Always build a GIMPLE_MODIFY_STMT node.
5974 * tree.h (build2_gimple, build2_gimple_stat): Delete.
5975 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
5978 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
5979 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
5980 * tree-complex.c (set_component_ssa_name, expand_complex_move,
5981 expand_complex_div_wide): Likewise.
5982 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
5983 * tree-ssa-loop-im.c (schedule_sm): Likewise.
5984 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
5985 * tree-ssa-loop-manip.c (create_iv): Likewise.
5986 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
5987 abs_replacement): Likewise.
5988 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
5989 realify_fake_stores): Likewise.
5991 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
5992 node rather than a GIMPLE_MODIFY_STMT node.
5993 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
5994 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
5996 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
5997 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
6000 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
6003 * fold-const.c (fold_comparison): Add back the
6004 folding of constant complex comparisions.
6006 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
6009 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
6010 effects unknown to this function, return early.
6012 2007-02-15 Ian Lance Taylor <iant@google.com>
6014 * lower-subreg.c (move_eh_region_note): New static function.
6015 (resolve_simple_move): Call it.
6016 (decompose_multiword_subregs): Track blocks for which we resolve a
6017 simple move which is also a control flow insn. Pass them to
6018 find_many_sub_basic_blocks.
6019 (pass_lower_subreg): Add TODO_verify_flow.
6020 (pass_lower_subreg2): Likewise.
6022 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
6023 Brooks Moses <brooks.moses@codesourcery.com>
6024 Lee Millward <lee.millward@codesourcery.com>
6026 * tree.h (enum tree_code_class): Add tcc_vl_exp.
6027 (VL_EXP_CLASS_P): New.
6028 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
6030 (TREE_OPERAND_CHECK_CODE): Likewise.
6031 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
6032 (TREE_RTL_OPERAND_CHECK): Likewise.
6033 (tree_operand_check_failed): Make second parameter the whole tree
6034 instead of its code. Fixed callers.
6035 (VL_EXP_CHECK): New.
6036 (TREE_OPERAND_LENGTH): New.
6037 (VL_EXP_OPERAND_LENGTH): New.
6038 (CALL_EXPR_FN): New.
6039 (CALL_EXPR_STATIC_CHAIN): New.
6040 (CALL_EXPR_ARGS): New.
6041 (CALL_EXPR_ARG): New.
6042 (call_expr_nargs): New.
6043 (CALL_EXPR_ARGP): New.
6044 (build_nt_call_list): Declare.
6045 (build_vl_exp_stat): Declare.
6046 (build_vl_exp): New.
6047 (build_call_list): Declare.
6048 (build_call_nary): Declare.
6049 (build_call_valist): Declare.
6050 (build_call_array): Declare.
6051 (call_expr_arg): Declare.
6052 (call_expr_argp): Declare.
6053 (call_expr_arglist): Declare.
6054 (fold_build_call_list): Declare.
6055 (fold_build_call_list_initializer): Declare.
6056 (fold_call_expr): Declare to replace fold_builtin.
6057 (fold_builtin_fputs): Update to agree with modified definition.
6058 (fold_builtin_strcpy): Likewise.
6059 (fold_builtin_strncpy): Likewise.
6060 (fold_builtin_memory_chk): Likewise.
6061 (fold_builtin_stxcpy_chk): Likewise.
6062 (fold_builtin_strncpy_chk): Likewise.
6063 (fold_builtin_next_arg): Likewise.
6064 (fold_build_call_expr): Declare.
6065 (fold_builtin_call_list): Declare.
6066 (fold_builtin_call_valist): Declare.
6067 (build_call_expr): Declare.
6068 (validate_arglist): Update to agree with modified definition.
6069 (tree_operand_length): New.
6070 (call_expr_arg_iterator): New.
6071 (init_call_expr_arg_iterator): New.
6072 (next_call_expr_arg): New.
6073 (first_call_expr_arg): New.
6074 (more_call_expr_args_p): New.
6075 (FOR_EACH_CALL_EXPR_ARG): New.
6077 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
6078 and tcc_gimple_stmt.
6079 (tree_code_size): Update documentation. Use sizeof (tree) rather
6080 than sizeof (char *).
6081 (tree_size): Likewise. Add case for tcc_vl_exp.
6082 (tree_node_structure): Add case for tcc_vl_exp.
6083 (contains_placeholder_p): Likewise.
6084 (substitute_in_expr): Likewise.
6085 (substitute_placeholder_in_expr): Likewise.
6086 (stabilize_reference_1): Likewise.
6087 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
6088 to diagnose breakage of this interface for constructing CALL_EXPRs.
6089 (build_nt): Add similar assertion here.
6090 (build_nt_call_list): New.
6091 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
6092 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
6094 (get_callee_fndecl): Use new CALL_EXPR accessors.
6095 (tree_operand_check_failed): Change parameters to pass entire node
6096 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
6097 (process_call_operands): New.
6098 (build_vl_exp_stat): New.
6099 (build_call_list): New.
6100 (build_call_nary): New.
6101 (build_call_valist): New.
6102 (build_call_array): New.
6103 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6104 (call_expr_arglist): New.
6106 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
6107 tcc_vl_exp instead of a fixed-size tcc_expression.
6109 * doc/c-tree.texi (CALL_EXPR): Document new representation and
6110 accessors for CALL_EXPRs.
6111 (AGGR_INIT_EXPR): Likewise.
6113 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
6114 Brooks Moses <brooks.moses@codesourcery.com>
6115 Lee Millward <lee.millward@codesourcery.com>
6117 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
6118 (expand_builtin_nonlocal_goto): Change parameter to be entire
6119 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
6120 (expand_builtin_prefetch): Likewise.
6121 (expand_builtin_classify_type): Likewise.
6122 (mathfn_built_in): Return NULL_TREE instead of 0.
6123 (expand_errno_check): Use new CALL_EXPR accessors.
6124 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
6125 Return NULL_RTX instead of 0.
6126 (expand_builtin_mathfn_2): Likewise.
6127 (expand_builtin_mathfn_3): Likewise.
6128 (expand_builtin_interclass_mathfn): Likewise.
6129 (expand_builtin_sincos): Likewise.
6130 (expand_builtin_cexpi): Likewise.
6131 (expand_builtin_int_roundingfn): Likewise.
6132 (expand_builtin_int_roundingfn_2): Likewise.
6133 (expand_builtin_pow): Likewise.
6134 (expand_builtin_powi): Likewise.
6135 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
6136 of arglist, fixing callers appropriately. Use new CALL_EXPR
6137 accessors and constructors. Return NULL_RTX instead of 0.
6138 (expand_builtin_strstr): Likewise.
6139 (expand_builtin_strchr): Likewise.
6140 (expand_builtin_strrchr): Likewise.
6141 (expand_builtin_strpbrk): Likewise.
6142 (expand_builtin_memcpy): Likewise.
6143 (expand_builtin_mempcpy): Likewise.
6144 (expand_builtin_mempcpy_args): New.
6145 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
6146 (expand_builtin_memmove_args): New.
6147 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
6148 (expand_movstr): Likewise.
6149 (expand_builtin_strcpy): Likewise.
6150 (expand_builtin_strcpy_args): New.
6151 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
6152 (expand_builtin_strncpy): Likewise.
6153 (expand_builtin_memset): Likewise.
6154 (expand_builtin_memset_args): New.
6155 (expand_builtin_bzero): Similarly to expand_builtin_memset.
6156 (expand_builtin_memcmp): Likewise.
6157 (expand_builtin_strcmp): Likewise.
6158 (expand_builtin_strncmp): Likewise.
6159 (expand_builtin_strcat): Likewise.
6160 (expand_builtin_strncat): Likewise.
6161 (expand_builtin_strspn): Likewise.
6162 (expand_builtin_strcspn): Likewise.
6163 (expand_builtin_args_info): Likewise.
6164 (expand_builtin_va_start): Likewise.
6165 (gimplify_va_arg_expr): Likewise.
6166 (expand_builtin_va_end): Likewise.
6167 (expand_builtin_va_copy): Likewise.
6168 (expand_builtin_frame_address): Likewise.
6169 (expand_builtin_alloca): Likewise.
6170 (expand_builtin_bswap): Likewise.
6171 (expand_builtin_unop): Likewise.
6172 (expand_builtin_fputs): Likewise.
6173 (expand_builtin_expect): Likewise.
6174 (expand_builtin_fabs): Likewise.
6175 (expand_builtin_copysign): Likewise.
6176 (expand_builtin_printf): Likewise.
6177 (expand_builtin_fprintf): Likewise.
6178 (expand_builtin_sprintf): Likewise.
6179 (expand_builtin_init_trampoline): Likewise.
6180 (expand_builtin_signbit): Likewise.
6181 (expand_builtin_fork_or_exec): Likewise.
6182 (expand_builtin_sync_operation): Likewise.
6183 (expand_builtin_compare_and_swap): Likewise.
6184 (expand_builtin_lock_test_and_set): Likewise.
6185 (expand_builtin_lock_release): Likewise.
6186 (expand_builtin): Likewise.
6187 (builtin_mathfn_code): Likewise.
6189 (fold_builtin_constant_p): Pass call arguments individually instead
6190 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
6191 accessors and constructors. Return NULL_TREE instead of 0.
6192 (fold_builtin_expect): Likewise.
6193 (fold_builtin_classify_type): Likewise.
6194 (fold_builtin_strlen): Likewise.
6195 (fold_builtin_nan): Likewise.
6196 (integer_valued_real_p): Likewise.
6197 (fold_trunc_transparent_mathfn): Likewise.
6198 (fold_fixed_mathfn): Likewise.
6199 (fold_builtin_cabs): Likewise.
6200 (fold_builtin_sqrt): Likewise.
6201 (fold_builtin_cbrt): Likewise.
6202 (fold_builtin_cos): Likewise.
6203 (fold_builtin_cosh): Likewise.
6204 (fold_builtin_tan): Likewise.
6205 (fold_builtin_sincos): Likewise.
6206 (fold_builtin_cexp): Likewise.
6207 (fold_builtin_trunc): Likewise.
6208 (fold_builtin_floor): Likewise.
6209 (fold_builtin_ceil): Likewise.
6210 (fold_builtin_round): Likewise.
6211 (fold_builtin_int_roundingfn): Likewise.
6212 (fold_builtin_bitop): Likewise.
6213 (fold_builtin_bswap): Likewise.
6214 (fold_builtin_logarithm): Likewise.
6215 (fold_builtin_hypot): Likewise.
6216 (fold_builtin_pow): Likewise.
6217 (fold_builtin_powi): Likewise.
6218 (fold_builtin_exponent): Likewise.
6219 (fold_builtin_memset): Likewise.
6220 (fold_builtin_bzero): Likewise.
6221 (fold_builtin_memory_op): Likewise.
6222 (fold_builtin_bcopy): Deleted; call site changed to invoke
6223 fold_builtin_memory_op directly.
6224 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
6225 (fold_builtin_strncpy): Likewise.
6226 (fold_builtin_memcmp): Likewise.
6227 (fold_builtin_strcmp): Likewise.
6228 (fold_builtin_strncmp): Likewise.
6229 (fold_builtin_signbit): Likewise.
6230 (fold_builtin_copysign): Likewise.
6231 (fold_builtin_isascii): Likewise.
6232 (fold_builtin_toascii): Likewise.
6233 (fold_builtin_isdigit): Likewise.
6234 (fold_builtin_fabs): Likewise.
6235 (fold_builtin_abs): Likewise.
6236 (fold_builtin_fmin_fmax): Likewise.
6237 (fold_builtin_carg): Likewise.
6238 (fold_builtin_classify): Likewise.
6239 (fold_builtin_unordered_cmp): Likewise.
6241 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
6242 New functions split out from fold_builtin_1.
6243 (fold_builtin_n): New.
6244 (fold_builtin_varargs): New.
6245 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
6247 (fold_call_expr): New.
6248 (build_function_call_expr): Rewrite to use new helper function.
6249 (fold_builtin_call_list): New.
6250 (build_call_expr): New.
6251 (fold_builtin_call_valist): New.
6252 (rewrite_call_expr): New.
6253 (validate_arg): New.
6254 (validate_arglist): Change parameter to be entire CALL_EXPR instead
6255 of an arglist. Change return type to bool. Use new CALL_EXPR
6258 (fold_builtin_strstr): Pass call arguments individually instead
6259 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
6260 accessors and constructors. Return NULL_TREE instead of 0.
6261 (fold_builtin_strchr): Likewise.
6262 (fold_builtin_strrchr): Likewise.
6263 (fold_builtin_strpbrk): Likewise.
6264 (fold_builtin_strcat): Likewise.
6265 (fold_builtin_strncat): Likewise.
6266 (fold_builtin_strspn): Likewise.
6267 (fold_builtin_strcspn): Likewise.
6268 (fold_builtin_fputs): Likewise.
6269 (fold_builtin_next_arg): Likewise.
6270 (fold_builtin_sprintf): Likewise.
6272 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
6273 NULL_RTX instead of 0.
6274 (expand_builtin_memory_chk): Likewise.
6275 (maybe_emit_chk_warning): Likewise.
6276 (maybe_emit_sprintf_chk_warning): Likewise.
6278 (fold_builtin_object_size): Pass call arguments individually instead
6279 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
6280 accessors and constructors. Return NULL_TREE instead of 0.
6281 (fold_builtin_memory_chk): Likewise.
6282 (fold_builtin_stxcpy_chk): Likewise.
6283 (fold_builtin_strncpy_chk): Likewise.
6284 (fold_builtin_strcat_chk): Likewise.
6285 (fold_builtin_strcat_chk): Likewise.
6286 (fold_builtin_strncat_chk): Likewise.
6287 (fold_builtin_sprintf_chk): Likewise.
6288 (fold_builtin_snprintf_chk): Likewise.
6289 (fold_builtin_printf): Likewise.
6290 (fold_builtin_vprintf): Likewise.
6292 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
6294 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
6295 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6296 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
6297 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
6298 (fold_unary): Likewise.
6299 (fold_binary): Likewise.
6300 (fold_ternary): Remove CALL_EXPR case, since they are no longer
6301 ternary expressions.
6302 (fold): Add logic for tcc_vl_exp.
6303 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
6304 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6305 (fold_build3_stat): Add assertion to flag broken interface for
6306 constructing CALL_EXPRs.
6307 (fold_build_call_list): New.
6308 (fold_build_call_list_initializer): New.
6309 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
6311 (fold_strip_sign_ops): Likewise.
6313 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
6314 Brooks Moses <brooks.moses@codesourcery.com>
6315 Lee Millward <lee.millward@codesourcery.com>
6317 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
6318 accessors and dump arguments explicitly.
6320 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
6322 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
6324 (print_call_name): Use new CALL_EXPR accessors.
6326 * print-tree.c (print_node): Add case tcc_vl_exp. Print
6327 CALL_EXPR arguments explicitly instead of as a list. Use
6328 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6330 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
6331 (vrp_visit_stmt): Likewise.
6333 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
6334 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
6336 (force_move_till_expr): Likewise.
6338 * targhooks.c (default_external_stack_protect_fail): Use
6339 build_call_expr instead of build_function_call_expr.
6340 (default_hidden_stack_protect_fail): Likewise.
6342 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
6345 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
6346 and walk arguments explicitly.
6348 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
6349 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6350 (expand_simple_operations): Likewise.
6351 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
6353 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
6354 of TREE_CODE_LENGTH.
6355 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
6357 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
6358 instead of TREE_CODE_LENGTH.
6360 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
6361 (tree_ic_transform): Likewise.
6362 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
6363 parameter instead of arglist. Fix callers.
6364 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
6365 (tree_stringops_transform): Likewise.
6366 (tree_indirect_call_to_profile): Likewise.
6367 (tree_stringops_values_to_profile): Likewise.
6369 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
6370 (eliminate_tail_call): Likewise.
6372 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
6374 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
6375 Use TREE_OPERAND_LENGTH and generalize to handle any number of
6377 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
6379 * omp-low.c (build_omp_barrier): Use build_call_expr.
6380 (lower_rec_input_clauses): Likewise.
6381 (lower_reduction_clauses): Likewise.
6382 (expand_parallel_call): Likewise.
6383 (maybe_catch_exception): Likewise.
6384 (expand_omp_for_generic): Likewise.
6385 (expand_omp_for_static_nochunk): Likewise.
6386 (expand_omp_sections): Likewise.
6387 (lower_omp_single_simple): Likewise.
6388 (lower_omp_single_copy): Likewise.
6389 (lower_omp_master): Likewise.
6390 (lower_omp_ordered): Likewise.
6391 (lower_omp_critical): Likewise.
6393 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
6394 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
6396 * tree-gimple.c (is_gimple_call_addr): Fix doc.
6397 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
6398 TREE_CODE_LENGTH. Add tcc_vl_exp case.
6400 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
6401 and generalize to handle any number of operands.
6402 (chrec_contains_undetermined): Likewise.
6403 (tree_contains_chrecs): Likewise.
6404 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
6406 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
6408 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
6409 fold_call_expr instead of fold_builtin.
6410 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
6411 match declarations there.
6412 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
6415 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
6416 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6418 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
6419 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
6421 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
6424 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
6425 (execute_cse_sincos): Use new CALL_EXPR accessors.
6427 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
6429 * gimple-low.c (lower_function_body): Use build_call_expr.
6430 (lower_builtin_setjmp): Likewise.
6432 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
6433 (set_storage_via_libcall): Likewise.
6434 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
6435 instead of TREE_CODE_LENGTH.
6436 (expand_expr_real_1): Use new CALL_EXPR accessors.
6438 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
6439 generalize to handle any number of operands.
6440 (TB_parent_eq): Likewise.
6442 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
6443 (strip_builtin_expect): Likewise.
6445 * function.c (gimplify_parameters): Use build_call_expr.
6447 * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
6448 instead of TREE_CODE_LENGTH.
6450 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
6451 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
6453 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
6456 * gimplify.c (build_stack_save_restore): Use build_call_expr.
6457 (gimplify_decl_expr): Likewise.
6458 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
6459 Use new CALL_EXPR iterators.
6460 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
6461 (gimplify_modify_expr_to_memset): Likewise.
6462 (gimplify_variable_sized_compare): Likewise.
6463 (gimplify_omp_atomic_fetch_op): Likewise.
6464 (gimplify_omp_atomic_pipeline): Likewise.
6465 (gimplify_omp_atomic_mutex): Likewise.
6466 (gimplify_function_tree): Likewise.
6468 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
6469 (call_expr_flags): Likewise.
6470 (expand_call): Likewise.
6472 * except.c (expand_builtin_eh_return_data_regno): Pass entire
6473 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
6476 * coverage.c (create_coverage): Use build_call_expr.
6478 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
6479 (temp_call_expr_obstack): New.
6480 (pool_copy_list): Delete.
6481 (temp_copy_call_expr): New.
6482 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
6483 CALL_EXPR accessors. Get rid of special goo for copying argument
6484 lists and use temp_copy_call_expr instead.
6485 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
6486 CALL_EXPR accessors.
6487 (create_expression_by_pieces): Likewise. Use build_call_array
6488 to construct the result instead of fold_build3.
6489 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
6490 dealing with argument lists.
6491 (init_pre): Remove references to expression_node_pool and
6492 list_node_pool. Init temp_call_expr_obstack instead.
6493 (fini_pre): Remove references to expression_node_pool and
6496 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
6497 and walk arguments explicitly instead of as a list.
6499 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
6500 (mx_register_decls): Likewise.
6501 (mudflap_register_call): Likewise.
6502 (mudflap_finish_file): Likewise.
6504 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
6505 (ipa_callsite_compute_param): Likewise.
6507 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
6508 accessors and constructor.
6510 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
6511 accessors and constructor.
6512 (convert_tramp_reference): Likewise.
6513 (convert_call_expr): Likewise.
6514 (finalize_nesting_tree_1): Likewise.
6516 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
6519 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
6521 * tree-inline.c (initialize_inlined_parameters): Pass entire
6522 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
6524 (estimate_num_insns_1): Use new CALL_EXPR accessors.
6525 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
6527 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
6528 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6529 (vectorizable_reduction): Likewise.
6530 (vectorizable_call): Use new CALL_EXPR iterators.
6531 (vectorizable_conversion): Use build_call_expr.
6532 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
6533 (vect_gen_widened_results_half): Use build_call_expr.
6534 (vect_setup_realignment): Likewise.
6535 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
6537 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
6538 (pass_through_call): Likewise.
6539 (compute_object_sizes): Likewise. Use fold_call_expr instead of
6542 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
6543 (tree_gen_pow2_profiler): Likewise.
6544 (tree_gen_one_value_profiler): Likewise.
6545 (tree_gen_ic_func_profiler): Likewise.
6546 (tree_gen_average_profiler): Likewise.
6547 (tree_gen_ior_profiler): Likewise.
6549 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
6550 (find_func_aliases): Use new CALL_EXPR accessors. Add case
6551 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6553 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
6554 of TREE_CODE_LENGTH.
6556 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
6557 of TREE_CODE_LENGTH.
6559 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
6561 (convert_to_integer): Likewise.
6563 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
6566 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
6567 Brooks Moses <brooks.moses@codesourcery.com>
6568 Lee Millward <lee.millward@codesourcery.com>
6570 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
6572 * config/frv/frv.c (frv_expand_builtin): Likewise.
6573 * config/s390/s390.c (s390_expand_builtin): Likewise.
6575 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
6576 (sparc_expand_builtin): Use new CALL_EXPR accessors.
6578 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
6579 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
6580 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
6581 (ix86_expand_store_builtin): Likewise.
6582 (ix86_expand_unop_builtin): Likewise.
6583 (ix86_expand_unop1_builtin): Likewise.
6584 (ix86_expand_sse_compare): Likewise.
6585 (ix86_expand_sse_comi): Likewise.
6586 (ix86_expand_vec_init_builtin): Likewise.
6587 (ix86_expand_vec_ext_builtin): Likewise.
6588 (ix86_expand_vec_set_builtin): Likewise.
6589 (ix86_expand_builtin): Use new CALL_EXPR accessors.
6591 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
6592 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
6594 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
6595 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
6596 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
6598 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
6600 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
6601 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
6602 arglist. Use new CALL_EXPR accessors. Fix callers.
6603 (altivec_expand_abs_builtin): Likewise.
6604 (rs6000_expand_binop_builtin): Likewise.
6605 (altivec_expand_predicate_builtin): Likewise.
6606 (altivec_expand_lv_builtin): Likewise.
6607 (spe_expand_stv_builtin): Likewise.
6608 (altivec_expand_stv_builtin): Likewise.
6609 (rs6000_expand_ternop_builtin): Likewise.
6610 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
6611 (altivec_expand_st_builtin): Likewise.
6612 (altivec_expand_dst_builtin): Likewise.
6613 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
6614 arglist. Use new CALL_EXPR accessors. Fix callers.
6615 (altivec_expand_vec_set_builtin): Likewise.
6616 (altivec_expand_vec_ext_builtin): Likewise.
6617 (altivec_expand_builtin): Use new CALL_EXPR accessors.
6618 (spe_expand_builtin): Likewise.
6619 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
6620 arglist. Use new CALL_EXPR accessors. Fix callers.
6621 (spe_expand_evsel_builtin): Likewise.
6622 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
6623 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
6625 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
6626 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
6627 (arm_expand_unop_builtin): Likewise.
6628 (arm_expand_builtin): Use new CALL_EXPR accessors.
6630 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
6633 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
6634 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
6635 (bfin_expand_unop_builtin): Likewise.
6636 (bfin_expand_builtin): Use new CALL_EXPR accessors.
6638 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
6639 Brooks Moses <brooks.moses@codesourcery.com>
6640 Lee Millward <lee.millward@codesourcery.com>
6642 * c-semantics.c (build_stmt): Add internal diagnostic check.
6644 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
6645 accessors. Print arguments explicitly instead of as a list.
6647 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
6649 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
6650 (c_finish_omp_flish): Likewise.
6652 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
6653 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
6654 instead of TREE_CODE_LENGTH.
6655 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
6656 (c_warn_unused_result): Likewise.
6658 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6661 * doc/invoke.texi (Warning Options): Remove
6662 -Werror-implicit-function-declaration.
6663 (Wimplicit-function-declaration): Update description.
6664 * opts.c (common_handle_option): Move handling of -Werror=* to...
6665 (enable_warning_as_error): ...here.
6666 * opts.h (enable_warning_as_error): Declare.
6667 * c-decl.c (implicit_decl_warning): Unless
6668 -Wno-implicit-function-declaration is given, emit a pedwarn if
6669 -std=c99 or emit a warning if -Wimplicit-function-declaration.
6670 * c.opt (Wimplicit-function-declaration): Replace
6671 mesg_implicit_function_declaration with
6672 warn_implicit_function_declaration.
6673 * c-opts.c (c_common_handle_option):
6674 -Werror-implicit-function-declaration is exactly equal as
6675 -Werror=implicit-function-declaration.
6676 (set_Wimplicit): Replace mesg_implicit_function_declaration with
6677 warn_implicit_function_declaration.
6678 (c_common_post_options): -Wimplict-function-declaration is enabled
6679 by default by -std=c99, otherwise is disabled by default.
6680 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
6682 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
6684 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
6685 DECL on the rhs to a DECL on the lhs for debug info purposes if the
6686 former is ignored but not the latter.
6688 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
6690 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
6691 is made and the reference doesn't use the alias set of its type,
6692 do not create the temporary using that type.
6694 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
6696 * jump.c: Remove prototypes for delete_computation and
6697 delete_prior_computation.
6699 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
6701 * jump.c (get_label_after): Delete.
6702 (get_label_before, delete_computation, delete_jump,
6703 delete_prior_computation, follow_jumps): Move...
6704 * reorg.c (delete_computation, delete_prior_computation): ... here...
6705 (get_label_before, delete_jump): ... making these static ...
6706 (follow_jumps): ... and simplifying this since it only runs after
6708 * rtl.h (get_label_after, get_label_before, delete_jump,
6709 follow_jumps): Delete prototypes.
6711 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
6713 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
6715 2007-02-15 Nick Clifton <nickc@redhat.com>
6717 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
6718 order to prevent it from being munged by the target.
6720 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
6722 * config/i386/i386.md: Remove misleading comment.
6724 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
6726 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
6727 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
6730 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
6732 * tree-sra.c (instantiate_missing_elements): Canonicalize
6734 (sra_build_assignment): New.
6735 (generate_copy_inout, generate_element_copy,
6736 generate_element_zero, generate_one_element_init): Use it.
6738 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
6740 * tree-sra.c (instantiate_missing_elements): Canonicalize
6742 (sra_build_assignment): New.
6743 (generate_copy_inout, generate_element_copy,
6744 generate_element_zero, generate_one_element_init): Use it.
6746 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
6748 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
6751 2007-02-14 Joseph Myers <joseph@codesourcery.com>
6753 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
6754 types as aggregates not scalars.
6755 * function.c (assign_stack_temp_for_type): Likewise.
6757 2007-02-14 Roger Sayle <roger@eyesopen.com>
6758 Zdenek Dvorak <dvorakz@suse.cz>
6760 * tree-dump.c (dump_switch_p_1): Require exact match of the option
6763 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6765 * passes.c (next_pass_1): Clear the next field of the copied
6768 2007-02-14 Richard Henderson <rth@redhat.com>
6770 * tree-sra.c (early_sra): New.
6771 (decl_can_be_decomposed_p): Deny va_list if early_sra.
6772 (tree_sra_early, pass_sra_early): New.
6773 * tree-pass.h (pass_sra_early): Declare.
6774 * passes.c (init_optimization_passes): Use it.
6776 2007-02-14 Richard Guenther <rguenther@suse.de>
6778 * flags.h (issue_strict_overflow_warning): Convert to a macro.
6780 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
6782 PR tree-optimization/30771
6783 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
6785 (vect_analyze_operations): Induction phis can now be marked as
6787 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
6788 Update documentation accordingly.
6790 2007-02-14 Nick Clifton <nickc@redhat.com>
6792 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
6793 most 3 arguments are supported.
6794 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
6796 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
6798 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
6799 Ensure dst->current is valid.
6801 2007-02-13 Paul Brook <paul@codesourcery.com>
6803 * config.gcc: Add arm*-*-uclinux-*eabi.
6804 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
6805 (SUBTARGET_EXTRA_LINK_SPEC): Define.
6806 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
6807 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
6808 (LINK_SPEC): Define.
6810 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
6812 * config/arm/uclinux-eabi.h: New file.
6813 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
6814 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
6817 2007-02-13 Ian Lance Taylor <iant@google.com>
6819 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
6820 * flags.h (warn_strict_overflow): Declare.
6821 (enum warn_strict_overflow_code): Define.
6822 (issue_strict_overflow_warning): New static inline function.
6823 * opts.c (warn_strict_overflow): New variable.
6824 (common_handle_option): Handle OPT_Wstrict_overflow and
6825 OPT_Wstrict_overflow_.
6826 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
6828 * fold-const.c: Include intl.h.
6829 (fold_deferring_overflow_warnings): New static variable.
6830 (fold_deferred_overflow_warning): New static variable.
6831 (fold_deferred_overflow_code): New static variable.
6832 (fold_defer_overflow_warnings): New function.
6833 (fold_undefer_overflow_warnings): New function.
6834 (fold_undefer_and_ignore_overflow_warnings): New function.
6835 (fold_deferring_overflow_warnings_p): New function.
6836 (fold_overflow_warning): New static function.
6837 (make_range): Add strict_overflow_p parameter. Change all
6839 (extract_muldiv, extract_muldiv_1): Likewise.
6840 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
6841 tree_expr_nonnegative_p.
6842 (fold_negate_expr): Call fold_overflow_warning.
6843 (fold_range_test): Likewise.
6844 (fold_comparison): Likewise.
6845 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
6846 instead of tree_expr_nonnegative_p.
6847 (tree_expr_nonnegative_warnv_p): Rename from
6848 tree_expr_nonnegative_p, add strict_overflow_p parameter.
6849 (tree_expr_nonnegative_p): New function.
6850 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
6851 strict_overflow_p parameter.
6852 (tree_expr_nonzero_p): New function.
6853 * passes.c (verify_interpass_invariants): New static function.
6854 (execute_one_pass): Call it.
6855 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
6857 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
6858 (estimate_numbers_of_iterations): Likewise.
6859 (scev_probably_wraps_p): Likewise.
6860 * tree-ssa-ccp.c: Include "toplev.h".
6861 (evaluate_stmt): Defer fold overflow warnings until we know we are
6863 (struct fold_stmt_r_data): Add stmt field.
6864 (fold_stmt_r): Defer fold overflow warnings until we know we
6866 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
6867 (fold_stmt_inplace): Likewise.
6868 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
6869 (cleanup_control_expr_graph): Defer fold overflow warnings until
6870 we know we are going to optimize.
6871 * tree-cfg.c (fold_cond_expr_cond): Likewise.
6872 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
6874 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
6875 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
6876 * tree-ssa-loop-manip.c (create_iv): Likewise.
6877 * c-typeck.c (build_conditional_expr): Likewise.
6878 (build_binary_op): Likewise.
6879 * tree-vrp.c (vrp_expr_computes_nonzero): Call
6880 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
6881 (extract_range_from_unary_expr): Likewise.
6882 * simplify-rtx.c (simplify_const_relational_operation): Warn when
6883 assuming that signed overflow does not occur.
6884 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
6885 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
6886 (fold_defer_overflow_warnings): Declare.
6887 (fold_undefer_overflow_warnings): Declare.
6888 (fold_undefer_and_ignore_overflow_warnings): Declare.
6889 (fold_deferring_overflow_warnings_p): Declare.
6890 (tree_expr_nonzero_warnv_p): Declare.
6891 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
6893 (Warning Options): Document -Wstrict-overflow.
6894 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
6895 (tree-ssa-ccp.o): Likewise.
6896 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
6897 (fold-const.o): Depend on intl.h.
6899 2007-02-13 Ian Lance Taylor <iant@google.com>
6902 * lower-subreg.c (resolve_simple_move): Decompose subregs in
6905 2007-02-13 Stuart Hastings <stuart@apple.com>
6907 * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
6909 2007-02-13 Richard Henderson <rth@redhat.com>
6911 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
6912 handled_component_p before looking for the indirect_ref.
6914 2007-02-13 Richard Henderson <rth@redhat.com>
6916 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
6917 remove flags clobber.
6918 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
6919 (bswaphi_lowpart): New.
6920 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
6921 remove TARGET_BSWAP test. Delete expander of the same name.
6923 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
6924 (expand_unop): Use them.
6926 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
6928 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
6929 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
6930 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
6931 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
6932 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
6933 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
6934 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
6935 assembler dialect choice from asm templates.
6937 2007-02-12 Richard Henderson <rth@redhat.com>
6939 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
6940 (fixuns_trunc<SSEMODEF>si2): Use it.
6941 * config/i386/sse.md (vec_setv4sf_0): Export.
6942 * config/i386/i386.c (ix86_build_const_vector): Export.
6943 (ix86_split_convert_uns_si_sse): Rename from
6944 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
6945 * config/i386/i386-protos.h: Update.
6947 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6950 * c-typeck.c (c_finish_return): Improve warning message.
6952 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6954 * alias.c (find_symbolic_term): Delete unused function.
6956 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
6958 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
6959 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
6960 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
6962 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
6964 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
6965 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
6966 the function, temporarily point the debug interface to the null one.
6968 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
6970 * dwarf2out.c (round_up_to_align): New static function.
6971 (field_byte_offset): Use it to round the offset.
6973 2007-02-12 Richard Henderson <rth@redhat.com>
6975 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
6976 (inswl_const): Export.
6978 2007-02-12 Richard Henderson <rth@redhat.com>
6980 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
6981 result mode of the libcall, convert back to outmode.
6983 2007-02-12 Roger Sayle <roger@eyesopen.com>
6985 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
6986 (bswapdi2): New define_expand to implement 32-bit implementation.
6988 2007-02-12 Nick Clifton <nickc@redhat.com>
6990 * doc/invoke.texi (Overall Options): Document --help=.
6991 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
6992 (cc1_options): Pass --help= on to cc1.
6993 (display_help): Add description of --help=.
6994 (process_command): Add code to handle --help=. Allow translated
6995 --help and --target-help switches to be passed on to compiler
6997 (main): Remove unused if statement.
6998 * opts.c (columns): Remove.
6999 (LEFT_COLUMN): Define.
7000 (wrap_help): Add columns argument.
7001 (print_filtered_help): Change parameters to be an include bitmask,
7002 an exclude bitmask, an any bitmask and the column width. Move the
7003 code to display the params list here. Add code to display the
7004 status of options rather than their descriptions if the quiet flag
7006 (print_specific_help): Change parameters to be an include bitmask,
7007 an exclude bitmask and an any bitmask. Move code to look up the
7008 column width here. Decide upon the title for an options listing.
7009 (common_handle_options): Add code to handle --help=. Adapt code
7010 for --help and --target-help to use the revised form of the
7011 print_specific_help function.
7012 (print_help): Delete.
7013 (print_param_help): Delete.
7014 (print_switch): Delete.
7015 * opts.h (cl_lang_count): Add prototype.
7016 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
7017 CL_MAX_OPTION_CLASS): New defines.
7018 * optc-gen.awk: Add construction of cl_lang_count.
7019 * c.opt: Add Warning attribute to warning options and Optimization
7020 attribute to optimization options.
7021 * common.opt: Likewise.
7023 Add -fhelp and -ftarget-help as aliases for the transformed --help
7024 and --target-help options.
7025 * opt-functions.awk: Add code to handle Warning and Optimization
7028 2007-02-12 Richard Henderson <rth@redhat.com>
7030 * config/alpha/constraints.md: New file.
7031 * config/alpha/alpha.c: Include tm-constrs.h.
7032 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
7033 alpha_extra_constraint): Remove.
7034 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
7035 * config/alpha/alpha-protos.h: Update.
7036 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
7037 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
7038 (EXTRA_CONSTRAINT): Remove.
7039 * config/alpha/alpha.md: Include constraints.md.
7040 (adddi splitter): Use satisfies_constraint_*.
7041 * config/alpha/predicates.md (add_operand): Likewise.
7042 (sext_add_operand, addition_operation): Likewise.
7044 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
7046 PR tree-optimization/29145
7047 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
7048 in our handling of restrict qualified pointers.
7050 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7053 * doc/invoke.texi (Wunused-value): Update description.
7054 (Wextra): Delete item.
7055 * opts.c (set_Wextra): Don't use the value of Wextra to set the
7056 value of Wunused-value.
7057 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
7058 (c_finish_stmt_expr): Don't check extra_warnings.
7059 (emit_side_effect_warnings): The caller is responsible to check
7062 2007-02-11 Roger Sayle <roger@eyesopen.com>
7063 Matt Thomas <matt@3am-software.com>
7065 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
7067 2007-02-11 Roger Sayle <roger@eyesopen.com>
7069 * simplify-rtx.c (simplify_relational_operation_1): Optimize
7070 comparisons of POPCOUNT against zero.
7071 (simplify_const_relational_operation): Likewise.
7073 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7075 * doc/invoke.texi (Wextra): Delete outdated paragraph.
7077 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7079 * dwarf2out.c (root_type): Delete unused function.
7081 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7083 * genattrtab.c (contained_in_p): Delete unused function.
7084 (write_expr_attr_cache): Likewise.
7086 2007-02-11 Jan Hubicka <jh@suse.cz>
7088 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
7091 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
7093 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
7094 to add the REG_EQ* note.
7095 * see.c (see_merge_one_use_extension): Likewise.
7096 * local-alloc.c (update_equiv_regs): Likewise. Also don't
7097 turn REG_EQUAL notes into REG_EQUIV notes if the target
7098 register may have more than one set.
7099 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
7100 * gcse.c (try_replace_reg): Likewise.
7101 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
7102 * calls.c (fixup_tail_calls): Likewise. Abort if there is
7103 more than one REG_EQUIV note.
7104 * reload1.c (gen_reload): Use set_unique_reg_note.
7106 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
7108 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
7109 (ix86_builtin_conversion): New function.
7111 2007-02-06 Mark Mitchell <mark@codesourcery.com>
7114 * tree.h (DECL_REPLACEABLE_P): New macro.
7115 * except.c (set_nothrow_function_flags): Likewise.
7117 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
7118 Ira Rosen <irar@il.ibm.com>
7119 Dorit Nuzman <dorit@il.ibm.com>
7121 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
7122 * targhooks.c (default_builtin_vectorized_conversion): New.
7123 * targhooks.h (default_builtin_vectorized_function): New declaration.
7124 * target.h (struct vectorize): Add builtin_conversion field.
7125 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
7126 stmt_vec_info_type value.
7127 (vectorizable_conversion): New declaration.
7128 * tree-vect-analyze.c (vect_analyze_operations): Add
7129 vectorizable_conversion call.
7130 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
7131 * tree-vect-transform.c (vectorizable_conversion): New function.
7132 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
7133 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
7135 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
7136 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
7137 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
7138 or ALTIVEC_BUILTIN_VCFSX.
7140 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7143 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
7144 CONST_DOUBLE and operand 0 is a hard register.
7145 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
7146 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
7147 is a hard floating-point register.
7149 2007-02-10 Richard Henderson <rth@redhat.com>
7150 Jakub Jelinek <jakub@redhat.com>
7151 Alexandre Oliva <aoliva@redhat.com>
7153 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
7154 * builtin-types.def (BT_WORD): Make unsigned.
7155 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7156 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7157 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7158 * c-decl.c (grokdeclarator): Don't error if !have_tls.
7159 * c-parser.c (c_parser_omp_threadprivate): Likewise.
7160 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7162 * expr.c (emutls_var_address): New.
7163 (expand_expr_real_1): Expand emulated tls.
7164 (expand_expr_addr_expr_1): Likewise.
7165 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7166 * output.h (emutls_finish): Declare.
7167 * toplev.c (compile_file): Call it.
7168 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7169 address before wrapping in CONST.
7170 * varasm.c (emutls_htab, emutls_object_type): New.
7171 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7172 (get_emutls_object_name, get_emutls_object_type): New.
7173 (get_emutls_init_templ_addr, emutls_decl): New.
7174 (emutls_common_1, emutls_finish): New.
7175 (assemble_variable): When emulating tls, swap decls; generate
7176 constructor for the emutls objects.
7177 (do_assemble_alias): When emulating tls, swap decl and target name.
7178 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7180 * varpool.c (decide_is_variable_needed): Look at force_output.
7181 Recurse for emulated tls.
7182 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
7183 with decide_is_variable_needed.
7184 * emutls.c: New file.
7185 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7186 tls_object for real tls.
7188 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
7190 PR rtl-optimization/29599
7191 * reload1.c (eliminate_regs_in_insn): Take the destination
7192 mode into account when computing the offset.
7194 2007-02-09 Stuart Hastings <stuart@apple.com>
7195 Richard Henderson <rth@redhat.com>
7197 * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7198 * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7199 * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
7200 fixuns_truncdfhi2): New.
7201 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
7202 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
7203 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
7204 (floatunssidf2): Allow nonimmediate source.
7205 * config/i386/sse.md (movdi_to_sse): New.
7206 (vec_concatv2di): Drop '*'.
7207 * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
7208 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7209 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
7211 * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
7212 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7213 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
7214 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
7215 (ix86_build_signbit_mask): Fix decl of v, refactor to call
7216 ix86_build_const_vector.
7217 (x86_emit_floatuns): Rewrite.
7219 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7221 * genautomata.c (longest_path_length): Delete unused function.
7222 (struct state): Delete unused longest_path_length.
7223 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
7224 (get_free_state): Delete unused.
7226 2007-02-09 Jan Hubicka <jh@suse.cz>
7228 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
7229 * doc/invoke.texi (inline-unit-growth): Update default value.
7231 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
7232 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
7233 (rebuild_cgraph_edges): Likewise.
7234 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
7235 (dump_cgraph_node): Dump frequencies.
7236 (cgraph_clone_edge): Add frequency scales.
7237 (cgraph_clone_node): Add freuqnecy.
7238 * cgraph.h (cgraph_edge): Add freuqnecy argument.
7239 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
7240 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
7241 * tree-pass.h (TODO_rebuild_frequencies): New constant.
7242 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
7243 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
7244 (save_inline_function_body): Likewise.
7245 * ipa-inline.c: inluce rtl.h
7246 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
7247 (cgraph_edge_badness): Use frequencies.
7248 (cgraph_decide_recursive_inlining): Update clonning.
7249 (cgraph_decide_inlining_of_small_function): Dump frequency.
7250 * predict.c (estimate_bb_frequencies): Export.
7251 * predict.h (estimate_bb_frequencies): Declare.
7252 * tree-inline.c (copy_bb): Watch overflows.
7253 (expand_call_inline): Update call of cgraph_create_edge.
7254 (optimize_inline_calls): Use TODO flags to update frequnecies.
7255 * passes.h: Include predict.h
7256 (init_optimization_passes): Move profile ahead.
7257 (execute_function_todo): Handle TODO_rebuild_frequencies.
7259 2007-02-09 Roger Sayle <roger@eyesopen.com>
7261 * config/alpha/alpha.c (emit_insxl): Force the first operand of
7262 the insbl or inswl pattern into a register.
7264 2007-02-09 Roger Sayle <roger@eyesopen.com>
7266 * config/ia64/ia64.md (bswapdi2): New define_insn.
7268 2007-02-09 Richard Henderson <rth@redhat.com>
7270 * config/i386/constraints.md (Ym): New constraint.
7271 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
7272 (movdi_1_rex64): Split sse and xmm general register moves from
7273 memory move alternatives. Use conditional register constraints.
7274 (movsf_1, movdf_integer): Likewise.
7275 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
7276 (movdf_integer_rex64): New.
7277 (pushsf_rex64): Fix output constraints.
7278 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
7279 (sse2_stored): Likewise.
7280 (sse2_storeq_rex64): New.
7281 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
7282 amd and not generic.
7283 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
7284 for optimize_size. Remove SF/DFmode hack.
7286 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
7288 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
7291 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
7292 Richard Sandiford <richard@codesourcery.com>
7294 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
7295 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
7296 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
7297 m68k/t-mlib to tmake_file.
7298 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
7299 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
7300 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
7301 Allow it to be cf or m68k. Set m68k_arch_family. If that
7302 variable is not empty, add t-$m68k_arch_family to tmake_file.
7303 Add t-mlibs to tmake_file.
7304 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
7305 * config/m68k/t-cf: New file.
7306 * config/m68k/t-m68k: Likewise.
7307 * config/m68k/t-mlibs: Likewise.
7308 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7309 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7310 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7311 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7312 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
7314 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
7315 (INSTALL_LIBGCC): Delete.
7316 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7317 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7318 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7319 (M68K_MLIB_CPU): Define.
7320 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7321 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7322 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
7324 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7325 Richard Guenther <rguenther@suse.de>
7328 * fold-const.c (fold_comparison): Handle obfuscated comparisons
7329 against INT_MIN/INT_MAX.
7330 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
7331 file if a loop is removed.
7333 2007-02-09 Joseph Myers <joseph@codesourcery.com>
7335 * calls.c (store_one_arg): Pass correct alignment to
7336 emit_push_insn for non-BLKmode values.
7337 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
7338 unaligned stack slot via a suitably aligned slot.
7340 2007-02-08 DJ Delorie <dj@redhat.com>
7342 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
7344 (legal_subregs): Use unsigned char, make const.
7345 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
7347 2007-02-08 Paul Brook <paul@codesourcery.com>
7349 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
7350 special interworking needed.
7352 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
7354 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
7355 conditional to __SSE2__.
7356 (Entries below should have been added to first ChangeLog
7357 entry for amdfam10 dated 2007-02-05)
7358 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
7360 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
7362 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
7365 2007-02-08 DJ Delorie <dj@redhat.com>
7367 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
7368 * config/m32c/m32c.c (legal_subregs): New.
7369 (m32c_illegal_subreg_p): New.
7370 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
7371 unsupported subregs of hard regs.
7373 2007-02-08 Jan Hubicka <jh@suse.cz>
7375 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
7376 the same one; always update histograms.
7378 2007-02-08 Diego Novillo <dnovillo@redhat.com>
7380 * passes.c (init_optimization_passes): Tidy comment.
7382 2007-02-08 Roger Sayle <roger@eyesopen.com>
7384 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
7385 strip zero_extend, bswap and rotates from POCOUNT's argument.
7386 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
7387 zero_extend and rotates from PARITY's argument.
7388 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
7389 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
7390 of an integer constant at compile-time.
7392 2007-02-08 Diego Novillo <dnovillo@redhat.com>
7395 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
7397 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
7400 * tree-ssa-live.c (remove_unused_locals): Do not remove
7401 TREE_ADDRESSABLE variables.
7402 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
7403 * tree-ssa-operands.c (add_virtual_operand): Remove argument
7404 FOR_CLOBBER. Update all users.
7405 If VAR has an associated alias set, add a virtual operand for
7406 it if no alias is found to conflict with the memory reference.
7408 2007-02-07 Jan Hubicka <jh@suse.cz>
7409 Robert Kidd <rkidd@crhc.uiuc.edu>
7411 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
7413 2007-02-07 Ian Lance Taylor <iant@google.com>
7415 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
7417 2007-02-07 Roger Sayle <roger@eyesopen.com>
7419 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
7420 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
7421 tablejumpdi, movsi_to_cr_one): Remove constraints from
7422 define_expand's match_operands.
7424 2007-02-07 Roger Sayle <roger@eyesopen.com>
7426 * global.c (compute_regsets): Move declatation of "i" inside of
7427 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
7429 2007-02-07 Jakub Jelinek <jakub@redhat.com>
7432 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
7433 of INDIRECT_REF <RESULT_DECL>.
7435 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
7437 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
7438 Kaz Kojima <kkojima@gcc.gnu.org>
7441 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
7443 (sh_initialize_trampoline): Add parentheses to avoid a warning.
7445 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7447 * doc/loop.texi: Document possibility not to perform disambiguation
7448 of loops with multiple latches.
7449 * cfgloopmanip.c (alp_enum_p): Removed.
7450 (add_loop): Handle subloops. Use get_loop_body_with_size.
7451 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
7452 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
7453 the new forwarder block.
7454 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
7455 Handle the case latch is NULL.
7456 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
7457 when marking loop exits.
7458 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
7460 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
7461 disambiguate_loops_with_multiple_latches.
7462 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
7463 before fix_loop_structure.
7464 * cfgloop.c: Include pointer-set.h and output.h.
7465 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
7466 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
7467 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
7468 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
7469 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
7470 disambiguate_multiple_latches, get_loop_body_with_size,
7471 disambiguate_loops_with_multiple_latches): New functions.
7472 (flow_loop_dump): Dump multiple latch edges.
7473 (flow_loop_nodes_find): Handle loops with multiple latches.
7474 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
7475 (glb_enum_p): Modified.
7476 (get_loop_body): Use get_loop_body_with_size.
7477 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
7478 (AVOID_CFG_MODIFICATIONS): New constant.
7479 (disambiguate_loops_with_multiple_latches, add_loop,
7480 get_loop_body_with_size): Declare.
7481 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
7483 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
7486 * global.c (compute_regsets): New function.
7487 (global_alloc): Refactored ELIMINABLE_REGSET
7488 and NO_GLOBAL_ALLOC_REGS computation out.
7489 (rest_of_handle_global_alloc): Call compute_regsets()
7490 for non-optimizing case.
7492 2007-02-06 Richard Henderson <rth@redhat.com>
7494 * config/i386/constraints.md (Y2): Rename from Y.
7495 (Yi): New constraint.
7496 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
7497 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
7498 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
7499 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
7500 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
7501 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
7502 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
7503 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
7504 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
7505 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
7506 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
7507 vec_extractv2si_1): Change Y constraints to Y2.
7508 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
7509 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
7510 Change Y constraints to Y2.
7511 (sse2_loadld): Change Y constraints to x.
7513 2007-02-06 Roger Sayle <roger@eyesopen.com>
7515 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
7516 (parity<mode>2): New define_expand using rs6000_emit_parity.
7517 * config/rs6000/rs6000.c (rs6000_emit_popcount,
7518 rs6000_emit_parity): New functions.
7519 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
7520 rs6000_emit_parity): Prototype here.
7522 2007-02-06 Ian Lance Taylor <iant@google.com>
7524 * lower-subreg.c (simple_move_operand): Reject CONST.
7525 (resolve_clobber): Call validate_change rather than directly
7526 assigning to XEXP (pat, 0).
7528 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
7530 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
7531 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
7532 (tree-cfg.o): Remove hashtab.h dependency.
7534 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
7535 (struct ivopts_data): Change niters to pointer_map_t.
7536 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
7537 (niter_for_exit): Create pointer_map on demand. Change for
7539 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
7540 (free_loop_data): Destroy data->niters if created and reset field.
7541 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
7542 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
7544 * tree-ssa-reassoc.c: Include pointer-set.h.
7545 (bb_rank): Change to long *.
7546 (operand_rank): Change to pointer_map_t.
7547 (find_operand_rank): Return long, -1 if not found. Declare as inline.
7548 (insert_operand_rank): Accept long.
7549 (operand_entry_hash, operand_entry_eq): Remove.
7550 (get_rank): Return long. Adjust for changes above.
7551 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
7553 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
7555 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
7556 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
7557 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
7559 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
7560 directly since it cannot be NULL.
7561 (get_vi_for_tree): Rewrite for pointer_map API.
7562 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
7563 (init_alias_vars): Create vi_for_tree as pointer_map.
7564 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
7566 * tree-cfg.c: Don't include hashtab.h.
7567 (edge_to_cases): Declare as pointer_map.
7568 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
7570 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
7571 (start_recording_case_labels): Create edge_to_cases as pointer_map.
7572 (end_recoding_case_labels): Cleanup edge_to_cases manually before
7574 (record_switch_edge): Delete.
7575 (get_cases_for_edge): Adjust for pointer_map API, inline
7576 record_switch_edge (rewritten for new API), remove goto.
7578 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
7580 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
7581 * tree-nested.c: Include pointer-set.h.
7582 (var_map_elt, var_map_eq, var_map_hash): Delete.
7583 (struct nesting_info): Remove GTY marker. Change the two htab_t's
7585 (nesting_info_bitmap_obstack): New.
7586 (lookup_field_for_decl): Adjust for pointer_map API.
7587 (lookup_tramp_for_decl): Adjust for pointer_map API.
7588 (get_nonlocal_debug_decl): Adjust for pointer_map API.
7589 (get_local_debug_decl): Adjust for pointer_map API.
7590 (convert_nl_goto_reference): Adjust for pointer_map API.
7591 (convert_nl_goto_receiver): Adjust for pointer_map API.
7592 (create_nesting_tree): Create outside GGC space. Create bitmap on
7593 the new obstack. Create field_map and var_map as pointer_maps.
7594 (free_nesting_tree): Adjust for changes to create_nesting_tree.
7596 (lower_nested_functions): Move root here, no need to NULL it.
7597 Initialize and release the obstack.
7599 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
7601 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
7602 Remove prototypes and make them non-static.
7603 (struct tree_int_map): Remove.
7604 * tree.h (struct tree_int_map): Move here, turning TO into an
7606 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
7608 * tree.h (TREE_COMPLEXITY): Remove.
7609 (struct tree_exp): Remove complexity field.
7610 * tree.c (build1_stat): Don't set it.
7612 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
7613 Victor Kaplansky <victork@il.ibm.com>
7615 * tree-vectorizer.c (vect_is_simple_use): Support induction.
7616 (vect_is_simple_reduction): Support reduction with induction as
7617 one of the operands.
7618 (vect_is_simple_iv_evolution): Fix formatting.
7619 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
7620 formatting. Don't mark induction phis for vectorization.
7621 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
7622 * tree-vect-transform.c (get_initial_def_for_induction): New function.
7623 (vect_get_vec_def_for_operand): Support induction.
7624 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
7626 (vectorizable_reduction): Support reduction with induction as one of
7628 (vectorizable_type_demotion): Use def-type of stmt argument rather
7629 than dummy def-type.
7631 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
7632 flag_tree_scev_cprop.
7633 * common.opt (tree-scev-cprop): New flag.
7635 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
7636 call to vect_get_new_vect_var.
7638 2007-02-06 Ira Rosen <irar@il.ibm.com>
7640 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
7641 vectype is not NULL.
7642 (vect_pattern_recog_1): Likewise.
7644 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7646 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
7647 (fold_negate_expr): Likewise.
7649 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
7652 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
7653 even if cv-qualification is the same.
7655 2007-02-05 Geoffrey Keating <geoffk@apple.com>
7657 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
7658 __enable_execute_stack on completion.
7660 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
7662 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
7663 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
7664 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
7665 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
7666 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
7667 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
7668 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
7669 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
7671 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
7673 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
7674 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
7675 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
7676 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
7677 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
7678 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
7679 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
7680 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
7681 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
7682 umuldi3_highpart_rex64, umulsi3_highpart_insn,
7683 umulsi3_highpart_zext, smuldi3_highpart_rex64,
7684 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
7685 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
7686 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
7687 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
7688 sqrtextenddfxf2_i387): Added amdfam10_decode.
7690 * config/i386/athlon.md (athlon_idirect_amdfam10,
7691 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
7692 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
7693 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
7694 athlon_ivector_store_amdfam10): New define_insn_reservation.
7695 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
7698 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
7700 * config/i386/athlon.md (athlon_call_amdfam10,
7701 athlon_pop_amdfam10, athlon_lea_amdfam10): New
7702 define_insn_reservation.
7703 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
7704 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
7705 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
7707 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
7709 * config/i386/athlon.md (athlon_sseld_amdfam10,
7710 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
7711 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
7713 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
7715 * config/i386/athlon.md (athlon_sseins_amdfam10): New
7716 define_insn_reservation.
7717 * config/i386/i386.md (sseins): Added sseins to define_attr type
7718 and define_attr unit.
7719 * config/i386/sse.md: Set type attribute to sseins for insertq
7722 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
7724 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
7725 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
7726 ssecomi_load_amdfam10, ssecomi_amdfam10,
7727 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
7728 define_insn_reservation.
7729 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
7731 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
7733 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
7734 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
7735 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
7736 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
7737 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
7738 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
7739 define_insn_reservation.
7741 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
7742 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
7743 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
7744 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
7745 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
7747 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
7749 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
7750 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
7751 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
7752 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
7753 athlon_ssemul_load_k8): Added amdfam10.
7755 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
7757 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
7758 (x86_sse_unaligned_move_optimal): New variable.
7760 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
7762 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
7763 for unaligned vector SSE double/single precision loads for AMDFAM10.
7765 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
7767 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
7768 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
7769 Define TARGET_CPU_DEFAULT_amdfam10.
7770 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
7771 (processor_type): Add PROCESSOR_AMDFAM10.
7773 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
7774 processor_type in config/i386/i386.h.
7775 Enable imul peepholes for TARGET_AMDFAM10.
7777 * config.gcc: Add support for --with-cpu option for amdfam10.
7779 * config/i386/i386.c (amdfam10_cost): New variable.
7780 (m_AMDFAM10): New macro.
7781 (m_ATHLON_K8_AMDFAM10): New macro.
7782 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
7783 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
7784 x86_promote_QImode, x86_integer_DFmode_moves,
7785 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7786 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
7787 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
7788 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
7789 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
7790 Enable/disable for amdfam10.
7791 (override_options): Add amdfam10_cost to processor_target_table.
7792 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
7793 processor_alias_table.
7794 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
7795 (ix86_adjust_cost): Add code for amdfam10.
7797 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
7799 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
7800 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
7801 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
7802 * config/i386/i386.h: Add builtin definition for SSE4A.
7803 * config/i386/i386.md: Add support for ABM instructions
7805 * config/i386/sse.md: Add support for SSE4A instructions
7806 (movntss, movntsd, extrq, insertq).
7807 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
7808 Add -march=amdfam10 flag.
7809 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
7810 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
7812 * doc/extend.texi: Add documentation for SSE4A builtins.
7814 2007-02-05 Bob Wilson <bob.wilson@acm.org>
7816 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
7818 2007-02-05 Richard Guenther <rguenther@suse.de>
7820 * tree-vectorizer.h (vectorizable_function): Add argument type
7821 argument, change return type.
7822 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
7823 * tree-vect-transform.c (vectorizable_function): Handle extra
7824 argument, return vectorized function decl.
7825 (build_vectorized_function_call): Remove.
7826 (vectorizable_call): Handle calls with result and argument types
7827 differing. Handle loop vectorization factor correctly.
7828 * targhooks.c (default_builtin_vectorized_function): Adjust for
7830 * targhooks.h (default_builtin_vectorized_function): Likewise.
7831 * target.h (builtin_vectorized_function): Add argument type
7833 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
7834 extra argument, allow vectorizing of lrintf.
7835 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
7836 documentation of target hook.
7838 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
7841 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
7842 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
7843 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
7845 2007-02-05 Roger Sayle <roger@eyesopen.com>
7847 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
7848 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
7849 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
7850 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
7851 before canonicalizing sincos to cexpi.
7852 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
7854 2007-02-05 Roger Sayle <roger@eyesopen.com>
7856 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
7857 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
7858 (alpha_init_builtins): Use alpha_add_builtins to process tables.
7860 2007-02-05 Roger Sayle <roger@eyesopen.com>
7862 * mips-tfile.c (initialize_init_file): Correct endianness test.
7864 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
7866 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
7869 2007-02-05 Richard Sandiford <richard@codesourcery.com>
7871 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
7872 saves in a PARALLEL before the register assignments.
7874 2007-02-05 Richard Sandiford <richard@codesourcery.com>
7876 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
7877 DWARF_FRAME_RETURN_COLUMN to be a general register.
7878 * dwarf2out.c (init_return_column_size): New function, split from...
7879 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
7880 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
7881 to be nongeneral registers.
7882 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
7884 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
7885 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
7887 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7889 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
7891 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7893 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
7894 (remove_path): Use can_remove_branch_p and remove_branch instead
7895 of loop_delete_branch_edge.
7896 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
7897 (tree_transform_and_unroll_loop): Remove dead branches immediately.
7898 Update profile using scale_dominated_blocks_in_loop.
7899 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
7900 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
7901 (can_remove_branch_p, remove_branch): Declare.
7902 * tree-cfg.c (tree_can_remove_branch_p): New function.
7903 (tree_cfg_hooks): Add tree_can_remove_branch_p.
7904 * cfgrtl.c (rtl_can_remove_branch_p): New function.
7905 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
7907 2007-02-05 Jan Hubicka <jh@suse.cz>
7910 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
7911 nodes in cgraph, don't remove offline copy of the function.
7913 2007-02-04 Jan Hubicka <jh@suse.cz>
7915 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
7916 vectors might cause maybe_lookup_element_for_expr to be called
7917 on non-sra-candidate.
7919 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
7921 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
7922 config/bfin/bfin.md, config/bfin/predicates.md: Follow
7923 spelling conventions.
7925 2007-02-04 Richard Guenther <rguenther@suse.de>
7928 * fold-const.c (try_move_mult_to_index): Make sure to not
7929 overflow one dimension of a multi-dimensional array access.
7931 2007-02-04 Jan Hubicka <jh@suse.cz>
7933 * passes.c (init_optimization_passes): Reindent.
7935 2007-02-04 Jan Hubicka <jh@suse.cz>
7936 Eric Botcazou <ebotcazou@adacore.com>
7938 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
7939 (execute_fixup_cfg): Break out the abnormal goto code.
7940 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
7941 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
7942 (optimize_inline_calls): Call make_nonlocal_label_edges.
7944 2007-02-04 Jan Hubicka <jh@suse.cz>
7946 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
7947 true when something was changed.
7948 (rename_ssa_copies): When something was changed, do
7949 TODO_remove_unused_locals.
7950 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
7951 add TODO_remove_unused_locals when instruction was removed.
7953 2007-02-04 Jan Hubicka <jh@suse.cz>
7955 * ipa-inline.c (try_inline): Improve debug output; work on already
7957 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
7958 call try_inline for already inlined edges too when flattening;
7959 inline also functions that make callee growth but overall unit size
7962 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
7964 * config/m32c/bitops.md, config/m32c/jump.md,
7965 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
7966 config/m32r/m32r.h, config/m32r/m32r.md,
7967 config/m32r/predicates.md, config/m68hc11/larith.asm,
7968 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
7969 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
7970 config/mips/mips-protos.h, config/mips/mips.c,
7971 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
7972 config/mn10300/mn10300.h, config/mn10300/predicates.md,
7973 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
7974 spelling conventions.
7976 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
7977 Follow spelling conventions.
7979 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
7981 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
7982 warn about C++0x compatibility.
7984 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
7986 * config/h8300/h8300.c, config/h8300/h8300.h,
7987 config/h8300/h8300.md: Follow spelling conventions.
7989 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
7992 * combine.c (try_combine): Do not substitute source operand
7993 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
7995 2007-02-03 Jan Hubicka <jh@suse.cz>
7997 PR gcov-profile/30650
7998 * value-prof.c (stringop_block_profile): Fix handling of size counter;
7999 do not divide by zero for never executed counters.
8000 (tree_find_values_to_profile): Fix counters.
8001 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
8003 2007-02-03 Ian Lance Taylor <iant@google.com>
8005 * lower-subreg.c (simple_move_operand): New static function,
8006 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
8008 (simple_move): Call simple_move_operand.
8009 (find_decomposable_subregs): Add special handling of MEMs.
8010 (can_decompose_p): Rename from cannot_decompose_p. Reverse
8011 meaning of return value. If we see a hard register, test whether
8012 it can store a word_mode value. Change all callers.
8014 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8016 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
8017 ftrapv insns and expanders.
8018 (subdi3): Change define_expand operand 1 to arith11_operand, and
8019 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
8020 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
8021 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
8025 * varasm.c (notice_global_symbol): Treat global objects as weak when
8028 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8030 * emit-rtl.c (dconstpi): Delete.
8032 (init_emit_once): Delete dconstpi and init dconstsqrt2.
8033 * real.h (dconstpi): Delete.
8035 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
8036 (fold_builtin_hypot): Likewise.
8038 2007-02-03 Tom Tromey <tromey@redhat.com>
8041 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
8042 -gcoff3, -gxcoff3, -gvms3 implies -dD.
8044 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
8046 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
8047 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
8048 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
8049 config/rs6000/cell.md, config/rs6000/darwin.h,
8050 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
8051 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
8052 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
8053 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
8054 typos. Follow spelling conventions.
8055 * doc/invoke.texi: Follow spelling conventions.
8057 2007-02-03 Roger Sayle <roger@eyesopen.com>
8059 * simplify-rtx.c (simplify_relational_operation_1): Implement some
8060 canonicalization transformations that attempt to simplify integer
8061 constant comparisons to become comparisons against zero.
8063 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8065 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
8067 * fold-const.c (fold_binary): Fix comment typos. Fold complex
8068 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
8070 2007-02-02 Mike Stump <mrs@apple.com>
8072 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
8073 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
8074 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
8075 generate a branch island.
8077 2007-02-02 Bob Wilson <bob.wilson@acm.org>
8079 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
8080 (xtensa_legitimate_address_p): New.
8081 (xtensa_legitimize_address): New.
8082 (xtensa_output_addr_const_extra): New.
8083 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
8085 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
8086 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
8087 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
8088 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
8089 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
8090 (xtensa_legitimize_address): New.
8091 (xtensa_output_addr_const_extra): New.
8093 2007-02-02 Steve Ellcey <sje@cup.hp.com>
8095 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
8097 2007-02-02 Ian Lance Taylor <iant@google.com>
8099 * expmed.c (expand_divmod): Add comment.
8101 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
8103 * emit-rtl.c (renumber_insns): Remove.
8104 * flags.h: Remove the extern for flag_renumber_insns.
8105 * rtl.h: Remove the prototype for renumber_insns.
8106 * toplev.c (flag_renumber_insns): Remove.
8108 2007-02-02 Hui-May Chang <hm.chang@apple.com>
8110 Revert for x86 darwin:
8111 2005-06-19 Uros Bizjak <uros@kss-loka.si>
8113 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
8114 code before the following patch under TARGET_MACHO.
8115 (ix86_function_value_regno_p): Likewise.
8117 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8119 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
8122 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8125 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
8126 general or fp registers. Add comments.
8127 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
8129 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
8131 * pointer-set.c (insert_aux): Only return insertion slot.
8132 (pointer_set_insert): Adjust.
8133 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
8134 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
8135 pointer_map_traverse): New.
8136 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
8137 pointer_map_create, pointer_map_destroy, pointer_map_insert,
8138 pointer_map_contains, pointer_map_traverse): Declare.
8140 2007-02-02 Jakub Jelinek <jakub@redhat.com>
8143 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
8144 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
8146 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8148 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
8150 (struct _dep): New type.
8151 (dep_t): New typedef.
8152 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
8153 (DEP_STATUS): New access macro. The macro with the same name was
8154 renamed to DEP_LINK_STATUS.
8155 (dep_init): Declare function
8157 (struct _dep_link): New type.
8158 (dep_link_t): New typedef.
8159 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
8160 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
8161 (DEP_LINK_STATUS): New macro.
8162 (debug_dep_links): New debug function.
8164 (struct _deps_list): New type.
8165 (deps_list_t): New typedef.
8166 (DEPS_LIST_FIRST): New access macro.
8167 (FOR_EACH_DEP_LINK): New cycle macro.
8168 (create_deps_list, free_deps_list, delete_deps_list): Declare
8170 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
8171 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
8172 (copy_deps_list_change_con): Ditto.
8174 (move_dep_link): Declare function.
8176 (struct _dep_node): New type.
8177 (dep_node_t): New typedef.
8178 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
8180 (struct haifa_insn_data.back_deps): New field to hold backward
8181 dependencies of the insn.
8182 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
8184 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
8185 Change its type to deps_list_t.
8186 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
8187 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
8188 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
8190 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
8192 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
8194 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
8196 (dep_cost): Declare.
8198 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
8199 (ds_to_dk, dk_to_ds): New functions.
8201 (init_dep_1): New static function.
8202 (init_dep): New function.
8203 (copy_dep): New static function.
8205 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
8207 (detach_dep_link): New static function.
8208 (move_dep_link): New function.
8210 (dep_links_consistent_p, dump_dep_links): New static functions.
8211 (debug_dep_links): New debugging function.
8213 (deps_obstack, dl_obstack, dn_obstack): New static variables.
8215 (alloc_deps_list, init_deps_list): New static functions.
8216 (create_deps_list): New function.
8217 (clear_deps_list): New static function.
8218 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
8219 (deps_list_consistent_p, dump_deps_list): New static functions.
8220 (debug_deps_list): New function.
8221 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
8223 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
8225 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
8226 use new scheduler dependencies lists.
8227 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
8228 (sched_analyze): Ditto. Initialize dependencies lists.
8229 (add_forw_dep, compute_forward_dependences): Update to use new
8230 scheduler dependencies lists.
8232 (init_dependency_caches): Init deps_obstack.
8233 (free_dependency_caches): Free deps_obstack.
8235 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
8236 new scheduler dependencies lists.
8237 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
8238 (add_back_forw_dep, delete_back_forw_dep): Ditto.
8240 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
8241 Update to use new scheduler dependencies lists.
8242 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
8243 (debug_dependencies): Ditto.
8244 (schedule_region): Update comments.
8246 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
8247 scheduler dependencies lists.
8248 (schedule_ebb): Update comments.
8250 * rtl.def (DEPS_LIST): Remove.
8252 * lists.c (unused_deps_list): Remove.
8253 (free_list): Update assertions.
8255 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
8256 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8258 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
8259 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8261 * haifa-sched.c (comments): Update.
8262 (insn_cost1): Remove. Inline the code into insn_cost ().
8263 (insn_cost): Update to use new scheduler dependencies lists. Move
8264 processing of the dependency cost to dep_cost ().
8265 (dep_cost): New function. Use it instead of insn_cost () when
8266 evaluating cost of the dependency. Use compatible interface to
8267 interact with the target.
8268 (priority): Update to use new scheduler dependencies lists.
8269 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
8270 with greater number of insns that depend on the insn.
8271 (schedule_insn): Update to use new scheduler dependencies lists. Add
8272 code to free backward dependencies lists. Inline and optimize code
8273 from resolve_dep () - see PR28071.
8274 (ok_for_early_queue_removal): Update to use new scheduler dependencies
8275 lists. Update call to targetm.sched.is_costly_dependence hook.
8277 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
8278 scheduler dependencies lists.
8280 (resolve_dep): Remove. Move the logic to schedule_insn ().
8281 (init_h_i_d): Initialize dependencies lists.
8283 (process_insn_depend_be_in_spec): Rename to
8284 process_insn_forw_deps_be_in_spec. Update to use new scheduler
8286 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
8287 Update to use new scheduler dependencies lists.
8288 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
8290 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
8291 new scheduler dependencies lists.
8292 (build_intra_loop_deps): Ditto.
8294 * target.h (struct _dep): Declare to use in
8295 gcc_target.sched.is_costly_dependence.
8296 (struct gcc_target.sched.adjust_cost): Fix typo.
8297 (struct gcc_target.sched.is_costly_dependence): Change signature to use
8298 single dep_t parameter instead of an equivalent triad.
8299 (struct gcc_target.sched.adjust_cost_2): Remove.
8301 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
8303 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
8305 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
8307 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
8309 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
8310 (REG_DEP_TRUE): Document.
8312 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
8313 Change signature to correspond to the targetm.sched.adjust_cost hook.
8314 Update use in TARGET_SCHED_ADJUST_COST_2.
8315 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
8316 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
8317 new scheduler dependencies lists.
8318 (ia64_gen_check): Ditto.
8320 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
8323 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
8324 signature to correspond to the targetm.sched.is_costly_dependence hook.
8325 (is_costly_group): Update to use new scheduler dependencies lists.
8327 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
8328 instead of INSN_COST () macro.
8330 2007-02-01 Ian Lance Taylor <iant@google.com>
8332 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
8334 2007-02-01 Guy Martin <gmsoft@gentoo.org>
8336 * pa.md (tp_load): Correct mfctl instruction syntax.
8338 2007-02-01 Geoffrey Keating <geoffk@apple.com>
8340 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
8341 altivec_padding_size calculation on AIX. Improve comment, add
8342 assert to verify that it's right.
8344 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
8347 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
8350 * global.c (global_alloc): Add mising initialization of
8353 2007-02-01 Roger Sayle <roger@eyesopen.com>
8355 * alias.c (init_alias_analysis): Correct whitespace.
8356 * bb-reorder.c (fix_edges_for_rarely_executed_code,
8357 partition_hot_cold_basic_blocks): Likewise.
8358 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
8359 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
8360 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
8361 fold_builtin_snprintf_chk, fold_builtin_printf,
8362 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
8363 do_mpfr_arg3, do_mpfr_sincos): Likewise.
8364 * cfgcleanup.c (cleanup_cfg): Likewise.
8365 * cfgexpand.c (tree_expand_cfg): Likewise.
8366 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
8367 * function.c (get_next_funcdef_no): Likewise.
8368 * gengtype.c (main): Likewise.
8369 * genmodes.c (main): Likewise.
8370 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
8371 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
8372 * ifcvt.c (noce_emit_move_insn): Likewise.
8373 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
8375 * stor-layout.c (get_best_mode): Likewise.
8376 * tree-ssa-loop-niter.c (get_val_for): Likewise.
8377 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
8378 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
8379 perform_var_substitution, solve_graph): Likewise.
8380 * tree-vrp.c (vrp_finalize): Likewise.
8382 2007-02-01 Ian Lance Taylor <iant@google.com>
8384 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
8385 high part of a paradoxical subreg, return a constant zero.
8387 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
8389 * toplev.c (lang_dependent_init): Call init_set_costs.
8390 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
8392 2007-02-01 Richard Guenther <rguenther@suse.de>
8395 * fold-const.c (fold_negate_expr): Allow negating a
8396 constant if overflow does not change.
8398 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8400 * doc/c-tree.texi (Expression trees): Improve markup.
8401 * doc/tm.texi (Register Classes, Addressing Modes)
8402 (Floating Point): Fix spacing after abbreviations. Fix some
8405 2007-02-01 Ben Elliston <bje@au.ibm.com>
8407 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
8408 * doc/contrib.texi: Likewise.
8409 * doc/install.texi: Likewise.
8411 2007-01-31 Richard Henderson <rth@redhat.com>
8412 Ian Lance Taylor <iant@google.com>
8414 * lower-subreg.c: New file.
8415 * rtl.def (CONCATN): Define.
8416 * passes.c (init_optimization_passes): Add pass_lower_subreg and
8418 * emit-rtl.c (update_reg_offset): New static function, broken out
8419 of gen_rtx_REG_offset.
8420 (gen_rtx_REG_offset): Call update_reg_offset.
8421 (gen_reg_rtx_offset): New function.
8422 * regclass.c: Revert patch of 2006-03-05, restoring
8424 (clear_reg_info_regno): New function.
8425 * dwarf2out.c (concatn_loc_descriptor): New static function.
8426 (loc_descriptor): Handle CONCATN.
8427 * common.opt (fsplit_wide_types): New option.
8428 * opts.c (decode_options): Set flag_split_wide_types when
8430 * timevar.def (TV_LOWER_SUBREG): Define.
8431 * rtl.h (gen_reg_rtx_offset): Declare.
8432 (reg_scan_update): Declare.
8433 * regs.h (clear_reg_info_regno): Declare.
8434 * tree-pass.h (pass_lower_subreg): Declare.
8435 (pass_lower_subreg2): Declare.
8436 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
8437 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
8439 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
8440 * Makefile.in (OBJS-common): Add lower-subreg.o.
8441 (lower-subreg.o): New target.
8443 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
8445 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
8447 2007-01-31 Anatoly Sokolov <aesok@post.ru>
8450 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
8452 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8455 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
8457 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
8459 * cfgloop.h: Include vec-prim.h.
8460 (enum li_flags): Remove LI_ONLY_OLD.
8461 (loop_iterator): Changed.
8462 (fel_next, fel_init): Iterate over loop tree.
8463 (FOR_EACH_LOOP_BREAK): New macro.
8464 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
8466 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
8467 * modulo-sched.c (sms_schedule): Ditto.
8468 * tree-vectorizer.c (vectorize_loops): Ditto.
8469 * doc/loop.texi: Update information on loop numbering and behavior of
8470 FOR_EACH_LOOP wrto new loops.
8471 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8472 add_to_evolution_1): Test nestedness of loops instead of comparing
8474 * tree-chrec.c (chrec_fold_plus_poly_poly,
8475 chrec_fold_multiply_poly_poly, chrec_evaluate,
8476 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
8477 reset_evolution_in_loop): Ditto.
8478 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
8480 2007-01-31 Dirk Mueller <dmueller@suse.de>
8482 * c-common.c (warn_about_parentheses): Separate warning about
8483 un-parenthized sequence of comparison operators from the one
8484 which is supposed to warn about x <= y <= z.
8486 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
8488 * optabs.h (enum optab_index): Add new OTI_isinf.
8489 (isinf_optab): Define corresponding macro.
8490 * optabs.c (init_optabs): Initialize isinf_optab.
8491 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
8493 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
8494 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
8496 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
8497 expand_builtin_interclass_mathfn.
8498 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
8499 * config/i386/i386.md (UNSPEC_FXAM): New constant.
8500 (fxam<mode>2_i387): New insn pattern.
8501 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
8502 built-in functions as x87 inline asm.
8504 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
8506 * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
8508 2007-01-30 Eric Christopher <echristo@apple.com>
8510 * config.gcc: Add geode.
8512 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
8514 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
8515 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
8516 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
8517 value-prof.c: Fix comment typos.
8519 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8522 * doc/invoke.texi (Wpointer-arith): Document warning.
8524 2007-01-30 Janis Johnson <janis187@us.ibm.com>
8526 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
8527 the list of discrepancies from the draft TR.
8529 2007-01-30 Dirk Mueller <dmueller@suse.de>
8532 * doc/invoke.texi (-Wreturn-type): Update description to
8535 2007-01-30 Richard Sandiford <richard@codesourcery.com>
8537 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
8539 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
8541 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
8542 to handle optabs that operate on floating point input argument and
8543 output to integer output.
8544 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
8545 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
8546 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
8547 expand_builtin_interclass_mathfn ().
8548 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
8550 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
8551 ilogbl built-in functions as x87 intrinsics.
8553 2007-01-30 Richard Guenther <rguenther@suse.de>
8556 * dwarf2out.c (reference_to_unused): Query varpool if the
8557 variable was output.
8559 2007-01-30 Richard Guenther <rguenther@suse.de>
8562 * passes.c (execute_one_pass): Reset in_gimple_form to not
8563 confuse non-unit-at-a-time mode.
8565 2007-01-29 Roger Sayle <roger@eyesopen.com>
8566 Richard Guenther <rguenther@suse.de>
8568 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
8569 avoid undefined behaviour on overflow. Use force_fit_type_double
8570 to construct the constant with the specified TREE_OVERFLOW.
8572 2007-01-29 Janis Johnson <janis187@us.ibm.com>
8574 * config/dfp-bit.c: Add parameterized support for fp exceptions.
8575 * config/dfp-bit.h: Ditto.
8577 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8579 * c-decl.c (pop_scope): Replace warnings with call to
8580 warn_for_unused_label.
8581 * c-common.h (warn_for_unused_label): Declare.
8582 * c-common.c (warn_for_unused_label): Define.
8584 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8586 * tree-optimize.c (update_inlined_to_pointers): Delete unused
8589 2007-01-29 Janis Johnson <janis187@us.ibm.com>
8591 * Makefile.in (USER_H): Remove decfloat.h.
8592 * ginclude/decfloat.h: Delete, moving contents to ...
8593 * ginclude/float.h: Add support for decimal floating point,
8594 guarded by __STDC_WANT_DEC_FP__.
8596 2007-01-29 Mike Stump <mrs@apple.com>
8598 * doc/gccint.texi (Top): Rename Loop Representation to Loop
8599 Analysis and Representation to resolve case insensitive conflict.
8600 * doc/loop.texi (Loop Analysis and Representation): Likewise.
8602 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
8604 * tree.h (struct tree_memory_tag): Add aliases member.
8605 (MTAG_ALIASES): New macro.
8606 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
8607 (add_may_alias): Remove pointer-set. Update for may_aliases being
8609 (mark_aliases_call_clobbered): Update for may_aliases being a
8611 (compute_tag_properties): Ditto.
8612 (create_partition_for): Ditto.
8613 (compute_memory_partitions): Ditto.
8614 (dump_may_aliases_for): Ditto.
8615 (is_aliased_with): Ditto.
8616 (add_may_alias_for_new_tag): Ditto.
8617 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
8618 (compute_is_aliased): New function.
8619 (compute_may_aliases): Call compute_is_aliased).
8620 (init_alias_info): Initialize alias_bitmap_obstack.
8621 (union_alias_set_into): New function.
8622 (compute_flow_sensitive_aliasing): Use union_aliases_into.
8623 (have_common_aliases_p): Rewrite to take two bitmaps and use
8625 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
8627 (finalize_ref_all_pointers): Update for add_may_alias changes.
8628 (new_type_alias): Ditto.
8629 * tree-flow-inline.h (may_aliases): Return a bitmap.
8630 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
8631 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
8632 may_aliases being a bitmap.
8633 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
8634 may_aliases now returns a bitmap.
8635 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
8637 * tree-ssa-operands.c (add_virtual_operand): Update for
8638 may_aliases being a bitmap.
8640 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
8642 PR tree-optimization/30630
8643 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
8644 variable as changed.
8646 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
8649 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
8650 expanded only once even if an error occurs.
8652 2007-01-29 Ben Elliston <bje@au.ibm.com>
8654 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
8655 (__gcov_average_profiler): Likewise.
8656 (__gcov_ior_profiler): Likewise.
8657 (__gcov_merge_ior): Likewise.
8659 2007-01-28 Jan Hubicka <jh@suse.cz>
8661 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
8662 * value-prof.c (stringop_block_profile): Likewise.
8664 2007-01-28 Jan Hubicka <jh@suse.cz>
8666 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
8667 variant handling histograms; add wrapper.
8668 (clear_storage_via_libcall): Export.
8669 (emit_block_move_hints): Break out from ...; add histograms.
8670 (emit_block_move): ... this one.
8671 (clear_storage_hints): Break out from ...; add histograms.
8672 (clear_storage): ... this one.
8673 (set_storage_via_memset): Handle histogram.
8674 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
8675 (clear_storage_hints, clear_storage_via_libcall): Declare.
8676 (set_storage_via_setmem): Update prototype.
8677 * doc/md.texi (movmem, setmem): Document new arguments.
8679 * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
8681 (stringop_block_profile): New global function.
8682 (tree_stringops_values_to_profile): Profile block size and alignment.
8683 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
8685 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
8686 (stringop_block_profile): Declare.
8687 * builtins.c: Include value-prof.h.
8688 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
8689 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
8690 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
8691 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
8692 * profile.c (instrument_values): Add new counters.
8693 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
8695 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
8696 (tree_init_edge_profiler): Build new profilers.
8697 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
8698 (pass_tree_profile): Add dump.
8699 (tree_profile_hooks): Update.
8700 * Makefile.in (LIBGCOV): Add new constants.
8701 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
8702 __gcov_ior_profiler): New.
8703 * i386.md (movmem/setmem expanders): Add new optional arguments.
8705 2007-01-28 David Edelsohn <edelsohn@gnu.org>
8707 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
8709 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
8711 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
8712 (tree_unswitch_single_loop): Pass eni_size_weights to
8713 tree_num_loop_insns.
8714 * tree-ssa-loop-manip.c: Include tree-inline.h.
8715 (can_unroll_loop_p): Pass eni_size_weights to
8716 tree_num_loop_insns.
8717 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
8718 Pass eni_size_weights to estimate_num_insns.
8719 * tree.h (init_inline_once): Export.
8720 * toplev.c (backend_init): Call init_inline_once.
8721 * cgraphunit.c (cgraph_process_new_functions,
8722 cgraph_analyze_function): Pass eni_inlining_weights to
8724 * ipa-inline.c (compute_inline_parameters): Ditto.
8725 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
8726 to estimate_num_insns.
8727 (try_unroll_loop_completely): Pass eni_size_weights to
8728 tree_num_loop_insns.
8729 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
8730 ot estimate_num_insns.
8731 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
8732 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
8733 * tree-inline.c (eni_inlining_weights, eni_size_weights,
8734 eni_time_weights): New variables.
8735 (init_inline_once): Initialize them.
8736 (struct eni_data): Mew.
8737 (estimate_num_insns_1, estimate_num_insns): Use weights.
8738 * tree-inline.h (struct eni_weights_d): New.
8739 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
8740 (estimate_num_insns): Declaration changed.
8741 * cfgloop.h (tree_num_loop_insns): Declaration changed.
8742 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
8743 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
8745 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
8747 * tree-data-ref.c (conflict_fn): Assert that the number of affine
8748 relations in the conflict function is valid.
8750 2007-01-27 Ian Lance Taylor <iant@google.com>
8752 * common.opt: Add fstrict-overflow.
8753 * opts.c (decode_options): Set flag_strict_overflow if -O2.
8754 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
8755 (TYPE_OVERFLOW_UNDEFINED): Define.
8756 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
8758 * tree.h (TYPE_TRAP_SIGNED): Don't define.
8759 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
8760 (fold_negate_expr): Likewise.
8761 (make_range): Likewise.
8762 (extract_muldiv_1): Likewise.
8763 (maybe_canonicalize_comparison): Likewise.
8764 (fold_comparison): Likewise.
8765 (fold_binary): Likewise.
8766 (tree_expr_nonnegative_p): Likewise.
8767 (tree_expr_nonzero_p): Likewise.
8768 * tree-vrp.c (compare_values): Likewise.
8769 (extract_range_from_binary_expr): Likewise.
8770 (extract_range_from_unary_expr): Likewise.
8771 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
8773 (nowrap_type_p): Likewise.
8774 * tree-scalar-evolution.c (simple_iv): Likewise.
8775 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
8776 (build_range_check): Likewise.
8777 (extract_muldiv_1): Likewise.
8778 (fold_comparison): Likewise.
8779 * tree-vrp.c (vrp_int_const_binop): Likewise.
8780 (extract_range_from_unary_expr): Likewise.
8781 * convert.c (convert_to_integer): Likewise.
8782 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
8783 (fold_comparison): Likewise.
8784 (fold_binary): Likewise.
8785 * optabs.c (optab_for_tree_code): Likewise.
8786 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
8787 * simplify-rtx.c (simplify_const_relational_operation): Check
8788 flag_strict_overflow and flag_trapv.
8789 (simplify_const_relational_operation): Likewise.
8790 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
8791 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
8794 2007-01-27 Roger Sayle <roger@eyesopen.com>
8796 * tree.c (tree_fold_gcd): Delete.
8797 * tree.h (tree_fold_gcd): Remove prototype.
8798 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
8799 test whether one constant integer is a multiple of another. Instead
8800 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
8801 * fold-const.c (multiple_of_p): We've determined both TOP and
8802 BOTTOM are integer constants so we can call int_const_binop directly
8803 instead of the more generic const_binop.
8805 2007-01-27 Roger Sayle <roger@eyesopen.com>
8807 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
8808 1*X check that the constant hasn't overflowed, to preserve the
8810 (round_up): Provide an efficient implementation when rouding-up an
8811 INTEGER_CST to a power-of-two.
8813 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8815 * doc/sourcebuild.texi: Add comma for clarity.
8816 * doc/extend.texi: Fix some typos.
8817 * doc/passes.texi: Likewise.
8818 * doc/cppinternals.texi: Likewise.
8819 * doc/c-tree.texi: Likewise.
8820 * doc/tree-ssa.texi: Likewise.
8821 * doc/install.texi: Likewise.
8823 2007-01-27 Jan Hubicka <jh@suse.cz>
8825 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
8826 (pass_sra): Do not require alias information.
8827 * passes.c (init_optimization_passes): Add SRA
8829 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
8831 * tracer.c (rest_of_handle_tracer): We already cleaned
8832 up the CFG in tracer() so don't do it here again.
8833 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
8834 cleanup_cfg here, either. And don't call renumber_insns.
8836 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
8837 and BB_HEAD are in the insn stream here. Instead make sure
8838 that BB_INSN is valid on all insns. Also, do check here that
8839 there are no pending branch predictions...
8840 (rtl_verify_flow_info): ...instead of doing it here. Checks
8841 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
8844 2007-01-26 Roger Sayle <roger@eyesopen.com>
8846 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
8847 function to simplify/factorize operand order canonicalization.
8848 (ix86_fixup_binary_operands): Reorganize using the above function.
8849 (ix86_binary_operator_ok): Likewise.
8851 2007-01-27 Jakub Jelinek <jakub@redhat.com>
8853 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
8854 file scope from optimize_attrs.
8855 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
8857 (optimize_attrs): Clear insn_code_values after freeing it.
8859 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
8861 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
8862 a parts.base assignment.
8864 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
8866 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
8867 (compute_subscript_distance, initialize_data_dependence_relation,
8868 finalize_ddr_dependent, analyze_ziv_subscript,
8869 analyze_siv_subscript_cst_affine,
8870 compute_overlap_steps_for_affine_univar,
8871 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
8872 analyze_siv_subscript, analyze_miv_subscript,
8873 analyze_overlapping_iterations, subscript_dependence_tester_1,
8874 compute_self_dependence, free_dependence_relation): Work
8875 with affine_fn instead of chrecs.
8876 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
8877 common_affine_function, affine_function_base,
8878 affine_function_constant_p, affine_fn_op, affine_fn_plus,
8879 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
8880 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
8881 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
8882 (all_chrecs_equal_p): Removed.
8883 * tree-data-ref.h (affine_fn, conflict_function): New types.
8884 (struct subscript): Change type of conflicting_iterations_in_a
8885 and conflicting_iterations_in_b.
8887 2007-01-26 Steve Ellcey <sje@cup.hp.com>
8890 * config/pa/pa.h (TARGET_HPUX_11): New.
8891 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
8892 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
8894 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
8895 Richard Guenther <rguenther@suse.de>
8897 * tree-ssa-structalias.c (solve_graph): Handle case
8898 we merged the variable to another.
8900 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8902 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
8905 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
8906 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
8908 2007-01-25 DJ Delorie <dj@redhat.com>
8910 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
8911 allow changes to modes which don't fit in those registers.
8913 * reload1.c (choose_reload_regs): Check for invalid subregs before
8914 computing their locations, not after.
8916 2007-01-25 Geoffrey Keating <geoffk@apple.com>
8919 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
8920 save Altivec registers in an eh_return function.
8921 (compute_vrsave_mask): Likewise.
8922 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
8923 for saving Altivec registers.
8924 (rs6000_emit_prologue): Don't allocate stack twice in
8925 eh_return function. Correct expected value of altivec_save_offset
8926 when using save_world. Describe save of R0 to stack when using
8927 save_world. Describe stack pointer adjustment when using
8928 save_world. Remove duplicated eh_return parameter register saving.
8929 Update sp_offset variable after save_world.
8930 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
8932 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
8933 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
8936 2007-01-25 Steve Ellcey <sje@cup.hp.com>
8938 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
8940 2007-01-25 Steve Ellcey <sje@cup.hp.com>
8943 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
8944 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
8946 2007-01-25 Richard Guenther <rguenther@suse.de>
8948 * doc/invoke.texi (-Wcoverage-mismatch): Document.
8949 * common.opt (-Wcoverage-mismatch): New warning option.
8950 * coverage.c (get_coverage_counts): Ignore coverage mismatch
8951 if -Wcoverage-mismatch is given.
8953 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
8955 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
8956 (ipcp_driver): Change to static definition.
8957 Add dumping of the ifunctions.
8958 (constant_val_insert): Remove unused parameter. Support for SSA.
8959 (ipcp_propagate_const): Support for SSA.
8960 (ipcp_profile_bb_print): Print only analyzed nodes.
8961 (ipcp_replace_map_create): Remove support for Fortran constant
8963 * ipa-prop.c (ipa_method_modify_stmt,
8964 ipa_callsite_compute_param): Support for SSA.
8965 * ipa-prop.h (ipcp_driver): Remove declaration.
8966 (IS_VALID_TREE_MAP_INDEX): Add define.
8968 2007-01-24 Geoffrey Keating <geoffk@apple.com>
8970 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
8972 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8975 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
8976 constant argument to cabs and do it without checking for
8977 -funsafe-math-optimizations.
8979 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
8981 * c-common.h (RID_FIRST_CXX0X): New.
8982 (RID_LAST_CXX0X): New.
8983 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
8985 * c.opt (Wc++0x-compat): New.
8986 * doc/invoke.texi (-Wc++0x-compat): Document.
8988 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8990 * builtins.c (fold_builtin_carg): New.
8991 (fold_builtin_1): Use it.
8993 2007-01-24 Jan Hubicka <jh@suse.cz>
8995 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
8997 * ipa-inline.c (initial_insns, max_insns): Delete.
8998 (compute_max_insns): New function.
8999 (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
9000 of insns as base for code growth.
9001 (cgraph_decide_inlining): Make initial_insns local; do not compute
9003 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
9004 * doc/invoke.texi (inline-unit-growth): Update docs.
9006 2007-01-24 Jakub Jelinek <jakub@redhat.com>
9008 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
9009 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
9010 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
9011 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
9012 for CPUs that have PTA_CX16 set.
9015 * gimplify.c (omp_check_private): New function.
9016 (gimplify_scan_omp_clauses): Use it for
9017 firstprivate/lastprivate/reduction.
9020 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
9021 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
9024 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
9025 If lower_lastprivate_clauses emits some statements, append them
9026 to dlist rather than body_p and to body_p append an initializer.
9027 (lower_omp_for): Adjust caller.
9029 2007-01-24 Steve Ellcey <sje@cup.hp.com>
9031 * target.h (globalize_decl_name): New.
9032 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9033 * output.h (default_globalize_decl_name): New.
9034 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
9036 (globalize_decl): Ditto.
9037 (default_globalize_decl_name): New.
9038 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
9039 (ia64_handle_version_id_attribute): New.
9040 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9041 (ia64_asm_output_external): Use globalize_decl_name instead
9043 * doc/extend.texi (version_id): New pragma.
9044 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
9046 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
9048 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
9049 _uleb128_t and _Unwind_SWord with _sleb128_t.
9050 * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
9051 uw_frame_state_for, uw_update_context_1): Likewise.
9052 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
9053 * unwind-pe.h (read_uleb128, read_sleb128,
9054 read_encoded_value_with_base): Likewise.
9055 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
9057 2007-01-24 Richard Guenther <rguenther@suse.de>
9059 * builtins.c (expand_builtin_cexpi): Get the fndecl
9060 for cexp in the correct way.
9062 2007-01-24 Jan Hubicka <jh@suse.cz>
9064 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
9066 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
9068 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
9069 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
9070 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
9071 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
9072 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
9073 __SIZEOF_PTRDIFF_T__.
9074 * doc/cpp.texi: Documentation for the new builtin macros added.
9076 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
9078 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
9079 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
9080 instead of operands[2] to avoid access past the end of array.
9082 2007-01-24 Richard Sandiford <richard@codesourcery.com>
9084 * reload1.c (emit_reload_insns): Pass the reload register
9085 for a non-spill output reload through forget_old_reloads_1.
9087 2007-01-23 Joseph Myers <joseph@codesourcery.com>
9089 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
9090 _SOFT_DOUBLE if doubles use software floating-point.
9091 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
9092 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9093 * config/rs6000/darwin-ldouble.c: Also compile functions for
9094 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
9095 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9096 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
9097 commented-out long double override.
9098 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
9099 * config/rs6000/eabispe.h: Likewise.
9100 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
9101 long double for non-SPE.
9102 (rs6000_handle_option): Likewise.
9103 (invalid_e500_subreg): Disallow more subregs involding DImode,
9104 DFmode, TImode or TFmode.
9105 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
9107 (legitimate_lo_sum_address_p): Also check for TFmode for E500
9109 (rs6000_legitimize_address): Also handle TFmode for E500 double.
9110 (rs6000_legitimize_reload_address): Also handle TFmode for E500
9112 (rs6000_legitimate_address): Also check for TFmode for E500
9114 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
9115 (spe_build_register_parallel): Handle TFmode and TCmode.
9116 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
9118 (function_arg): Handle TFmode and TCmode for E500 double.
9119 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
9121 (print_operand): Handle TFmode and TImode for %y.
9122 (rs6000_generate_compare): Handle TFmode comparisons for E500
9124 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
9125 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
9126 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
9127 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
9128 TFmode for E500 double.
9129 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
9130 (floatsidf2): Enable for E500 double.
9131 (movtf_softfloat): Use rs6000_nonimmediate_operand.
9132 (extenddftf2): Change to extenddftf2_fprs.
9133 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
9134 depending on TARGET_E500_DOUBLE.
9135 (extendsftf2): Enable for E500 double.
9136 (trunctfdf2): Enable for E500 double.
9137 (trunctfsf2): Change to trunctfsf2_fprs.
9138 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
9139 depending on TARGET_E500_DOUBLE.
9140 (floatsitf2): Enable for E500 double.
9141 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
9142 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
9143 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
9144 (negtf2): Change to negtf2_internal.
9145 (negtf2): New expander.
9146 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
9147 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
9148 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
9149 (movdi_internal32): Use rs6000_nonimmediate_operand.
9150 (unnamed splitter): Likewise.
9151 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
9152 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
9153 (SPE64TF, DITI): New mode macros.
9154 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
9157 (frob_<mode>_di_2): New.
9158 (frob_tf_di_8_2): New.
9159 (frob_di_df): Change to frob_di_<mode>; allow more modes.
9161 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
9163 (frob_ti_<mode>_8_2): New.
9164 (frob_ti_tf_2): New.
9165 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
9166 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
9168 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
9169 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
9170 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
9171 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
9172 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
9173 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
9176 2007-01-23 Ian Lance Taylor <iant@google.com>
9178 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
9180 (OBJS-archive): Reformat, alphabetize.
9181 (OBJS): Change out_object_file to OBJS-md.
9183 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
9185 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
9186 JUMP_P and CALL_P predicates where applicable.
9187 * config/i386/i386.c: Ditto.
9188 * config/i386/i386.md: Ditto.
9189 * config/i386/mmx.md: Ditto.
9190 * config/i386/predicates.md: Ditto.
9192 2007-01-22 Andreas Schwab <schwab@suse.de>
9194 * config/m68k/m68k.h: Fix comment.
9196 2007-01-22 Jan Hubicka <jh@suse.cz>
9198 * passes.c (init_optimization_passes): Do not rerun
9199 pass_early_warn_uninitialized.
9201 2007-01-22 Richard Guenther <rguenther@suse.de>
9203 PR tree-optimization/30038
9204 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
9206 (execute_cse_sincos_1): Likewise.
9207 (execute_cse_sincos): Likewise.
9208 (gate_cse_sincos): Likewise.
9209 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
9210 the cexpi() canonicalization of sincos().
9211 * tree-pass.h (pass_cse_sincos): Declare.
9212 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
9214 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9216 PR rtl-optimization/29329
9217 * combine.c (replaced_rhs_insn): Rename to i2mod.
9218 (replaced_rhs_value): Rename to i2mod_new_rhs.
9219 (i2mod_old_rhs): New global variable.
9220 (combine_instructions): Adjust for above change. Save a copy of
9221 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
9222 note are substituted in the second instruction.
9223 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
9224 ditch the note if it pertains to the second eliminated register
9225 and this register is mentioned in i2mod_old_rhs.
9228 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
9230 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
9231 the insn to which the note was originally attached.
9233 2007-01-21 Jan Hubicka <jh@suse.cz>
9235 * ipa-inline.c (inlining_mode): Comment, move up.
9236 (cgraph_decide_inlining_incrementally): Do not perform inlining
9237 itself; fix handling of flattening of self recursive functions.
9238 (cgraph_find_cycles): Remove.
9239 (cgraph_flatten_node): Remove.
9240 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
9241 (try_inline): New function.
9242 (cgraph_early_inlining): Update call of
9243 cgraph_decide_inlining_incrementally. Apply inlining here.
9244 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
9246 2007-01-21 Dirk Mueller <dmueller@suse.de>
9249 * tree-vrp.c (check_array_bounds): do not warn
9250 about ADDR_EXPR's of ARRAY_REF's which are immediately
9251 used in binary expressions.
9253 2007-01-21 Ira Rosen <irar@il.ibm.com>
9255 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
9256 read_write_dep and macros for its access.
9257 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
9258 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
9259 argument, call vect_check_interleaving for every independent pair of
9260 data-refs. Mark loads that access the same memory location as a store
9262 (vect_check_dependences): Remove.
9263 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
9264 call, fix the call to vect_analyze_data_ref_dependence.
9265 (vect_analyze_data_ref_access): For statements that access the same
9266 data-ref, check that they are not stores; for loads, check that there
9267 is no store that access the same location.
9269 2007-01-20 Roger Sayle <roger@eyesopen.com>
9270 Joseph Myers <joseph@codesourcery.com>
9272 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
9273 (-fdump-rtl-stack): Likewise.
9274 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
9275 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
9276 (-mpt-fixed): Use @minus{} for minus sign.
9277 (Using Precompiled Headers): Fix under/overfull hbox.
9279 2007-01-20 Jan Hubicka <jh@suse.cz>
9281 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
9282 place within annotation.
9284 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9286 * pa.c (output_move_double): Change array size of xoperands to 4.
9288 2007-01-20 Jan Hubicka <jh@suse.cz>
9290 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
9293 2007-01-19 Ian Lance Taylor <iant@google.com>
9295 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
9296 constant to unsigned HOST_WIDE_INT before negating.
9298 2007-01-19 Ian Lance Taylor <iant@google.com>
9300 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
9302 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
9303 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9304 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
9305 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
9306 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9307 (realloc_vdef, realloc_vuse): Change second parameter to
9309 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
9311 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
9312 unsigned. Change x and lim locals to unsigned.
9313 (realloc_vdef, realloc_vuse): Change num_elem parameter to
9315 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
9316 (copy_virtual_operands): Change i and n locals to unsigned.
9318 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9321 * builtins.c (fold_builtin_1): Handle builtin fdim.
9323 2007-01-20 Jan Hubicka <jh@suse.cz>
9325 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
9326 * tree-ssa-structalias.c (compute_points_to_sets): Do call
9327 init_alias_heapvars.
9328 (init_alias_heapvars): Initialize only when not already initialized.
9329 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
9331 2007-01-19 Roger Sayle <roger@eyesopen.com>
9333 * common.opt (fsigned-zeros): New command line option.
9334 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
9335 of flag_unsafe_math_optimizations.
9336 * opts.c (set_fast_math_flags): The -ffast-math command line option
9337 implies -fno-signed-zeros.
9338 (fast_math_flags_set_p): Likewise.
9340 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
9341 the documentation of -ffast-math appropriately. Wrap long lines.
9343 2007-01-19 Steve Ellcey <sje@cup.hp.com>
9345 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
9346 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
9348 2007-01-19 Tomas Bily <tbily@suse.cz>
9350 * cgraphunit.c (cgraph_finalize_function): Updating of pid
9352 (tree_init_ic_make_global_vars): New function
9353 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
9354 (tree_gen_ic_profiler): New function
9355 (tree_gen_ic_func_profiler): New function
9356 (tree_profiling): Added calling of tree_gen_ic_func_profiler
9357 (tree_profile_hooks): Added hook for indirec/virtual calls
9358 * value-prof.c (tree_find_values_to_profile): New case for
9360 (tree_values_to_profile): Call for determining indirect/virtual
9362 (tree_indirect_call_to_profile): New function
9363 (tree_ic_transform): New function
9364 (tree_ic): New function
9365 (find_func_by_pid): New function
9366 (init_pid_map): New function
9367 (tree_value_profile_transformations): Added check for
9368 indirect/virtual call transformation
9369 * value-prof.h (enum hist_type): New counter type for
9370 indirect/virtual calls
9371 (profile_hooks): Added new hook for profiling indirect/virtual
9373 * profile.c (instrument_values): New case for indirect/virtual
9375 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
9376 (GCOV_COUNTER_V_INDIR): New counter type
9377 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
9378 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
9380 * cgraph.c: Definition of cgraph_max_pid
9381 (cgraph_create_node): Default init of pid attribute
9382 * cgraph.h: Declaration of cgraph_max_pid
9383 (struct cgraph_node): Added pid attribute
9384 * libgcov.c (__gcov_indirect_call_profiler): New function
9385 (__gcov_one_value_profiler_body): New function
9386 (__gcov_one_value_profiler): Body was moved to
9387 __gcov_one_value_profiler_body and calls it
9389 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
9391 * doc/gty.texi (Options): Document the mark_hook option to GTY.
9392 * gengtype.c (write_types_data, write_func_for_structure,
9393 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
9394 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
9395 (walk_type, write_func_for_structure): Generate the mark_hook if
9398 2007-01-19 Jan Hubicka <jh@suse.cz>
9400 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
9401 'early' argument take inlining mode argument specifying whether to
9402 inline for size/speeed or all functions; add support for flattening;
9404 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
9406 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9409 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
9410 the name of the declared identifier.
9412 2007-01-19 Dirk Mueller <dmueller@suse.de>
9414 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
9415 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
9416 duplicate evaluation.
9418 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
9420 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
9421 Macroize expander using X87MODEF12 mode macro. Extend operand 1
9422 to XFMode, use acosxf2 and truncate result to requested mode.
9423 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
9424 (asin<mode>2): Similarly, with asin expanders.
9425 (*fscalexf4_i387): Rename from *fscalexf4.
9426 (expNcorexf3): New expander.
9427 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
9428 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
9429 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
9430 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
9431 patterns for SSE math.
9432 (exp10<mode>2): Similarly, with exp10 expanders.
9433 (exp2<mode>2): Similarly, with exp2 expanders.
9434 (expm1<mode>2): Similarly, with expm1 expanders.
9435 (ldexp<mode>3): Similarly, with ldexp expanders.
9436 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
9437 Use gen_truncxf<mode>2_i387_noop to truncate result.
9439 2007-01-19 Richard Sandiford <richard@codesourcery.com>
9441 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
9442 for ColdFire targets.
9444 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
9445 Richard Sandiford <richard@codesourcery.com>
9447 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
9448 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
9449 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
9450 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
9451 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
9452 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
9454 2007-01-19 Richard Sandiford <richard@codesourcery.com>
9456 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
9457 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
9458 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
9459 (*adddi_dilshr32_cf): New pattern.
9460 (adddi3, subdi3): Remove first alternatives.
9462 2007-01-19 Richard Sandiford <richard@codesourcery.com>
9464 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
9465 implemented using move.l, do not use its cc result for floating-point
9468 2007-01-19 Richard Sandiford <richard@codesourcery.com>
9470 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
9471 from accepting 's' constraints if flag_pic.
9473 2007-01-19 Richard Sandiford <richard@codesourcery.com>
9475 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
9476 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
9477 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
9478 condition from TARGET_68881 to TARGET_HARD_FLOAT.
9480 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
9482 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
9483 ColdFire alternatives.
9484 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
9485 * config/m68k/m68k.md (clzsi2): Define for ColdFire
9486 architectures that support ff1 instruction.
9488 2007-01-19 Richard Sandiford <richard@codesourcery.com>
9489 Julian Brown <julian@codesourcery.com>
9491 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
9492 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
9493 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
9496 2007-01-19 Richard Sandiford <richard@codesourcery.com>
9498 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
9500 (output_move_const_into_data_reg, output_move_simode_const): Delete.
9501 * config/m68k/m68k.c (const_method, const_int_cost): Take a
9502 HOST_WIDE_INT instead of an rtx.
9503 (m68k_rtx_costs): Update call accordingly.
9504 (output_move_const_into_data_reg): Likewise. Fix formatting.
9505 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
9507 (output_move_simode_const): Update calls after above changes.
9508 Rework to use automatic variables and predicates like MEM_P.
9509 * config/m68k/m68k.md (pushexthisi_const): Update call to
9512 2007-01-19 Dirk Mueller <dmueller@suse.de>
9514 * tree-ssa-alias.c (perform_var_substitution): Fix typo
9517 2007-01-19 Richard Guenther <rguenther@suse.de>
9519 * builtins.c (expand_builtin_cexpi): Fall back to expanding
9520 via cexp in case sincos is not available.
9522 2007-01-19 Richard Guenther <rguenther@suse.de>
9524 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
9525 * defaults.h (TARGET_HAS_SINCOS): Default to off.
9526 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
9527 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
9528 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
9529 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
9530 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
9531 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
9533 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
9535 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
9537 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
9538 (atan2xf3): Directly generate RTL pattern.
9539 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
9540 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
9541 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
9542 disable patterns for SSE math.
9543 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
9544 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
9545 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
9546 disable patterns for SSE math.
9548 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
9550 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
9552 2007-01-18 Roger Sayle <roger@eyesopen.com>
9554 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
9555 VIEW_CONVERT_EXPR to the same type as it's operand.
9557 2007-01-18 David Edelsohn <edelsohn@gnu.org>
9559 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
9560 configured for long double 128.
9562 2007-01-18 Mike Stump <mrs@apple.com>
9564 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
9567 2007-01-18 Michael Meissner <michael.meissner@amd.com>
9569 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
9572 2007-01-18 Jan Hubicka <jh@suse.cz>
9574 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
9575 greater than NUM_VOP_FREE_BUCKETS.
9577 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
9579 * tree-ssa-structalias.c: Update comments.
9580 (ptabitmap_obstack): Removed.
9582 (oldpta_obstack): Ditto.
9583 (stats): Add a few members.
9584 (struct variable_info): Remove node, complex, address_taken, and
9585 indirect_target members. Add oldsolution member.
9586 (new_var_info): Do not initialize removed members.
9587 (constraint_expr_type): Remove INCLUDES.
9588 (constraint_graph): Add size, implicit_preds, rep,
9589 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
9590 (FIRST_REF_NODE): New macro.
9591 (LAST_REF_NODE): Ditto.
9592 (FIRST_ADDR_NODE): Ditto.
9593 (find): New function.
9595 (dump_constraint): Do not handle INCLUDES.
9596 (insert_into_complex): Do not insert duplicate constraints.
9597 (condense_varmap_nodes): Renamed and rewritten into ...
9598 (merge_node_constraints): This. Also fix bug in handling of
9599 offseted copy constraints.
9600 (clear_edges_for_node): No longer need to deal with preds at all,
9601 or removing associated preds/succs.
9602 (merge_graph_nodes): Deal with indirect_cycles.
9603 Don't deal with predecessors.
9604 (add_implicit_graph_edge): New function.
9605 (add_pred_graph_edge): Ditto.
9606 (add_graph_edge): Don't deal with predecessors.
9607 (build_constraint_graph): Removed.
9608 (build_pred_graph): New function.
9609 (build_succ_graph): Ditto.
9610 (struct scc_info): Removed in_component. Added roots, dfs, and
9611 node_mapping. Remove visited_index, unification_queue.
9612 (scc_visit): Deal with union-find we do now.
9613 Deal with cycles with REF nodes.
9614 (collapse_nodes): Renamed and rewritten to ...
9615 (unify_nodes): This.
9616 (process_unification_queue): Removed.
9617 (topo_visit): Cleanup
9618 (do_da_constraint): Use find.
9619 (do_sd_constraint): Ditto.
9620 (do_ds_constraint): Ditto.
9621 (do_complex_constraint): Ditto.
9622 (init_scc_info): Update for removed and added members.
9623 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
9624 (find_indirect_cycles): This.
9625 (equivalence_class): New variable.
9626 (label_visit): New function.
9627 (perform_variable_substitution): Rewritten.
9628 (free_var_substitution_info): New function.
9629 (find_equivalent_node): Ditto.
9630 (move_complex_constraints): Ditto.
9631 (eliminate_indirect_cycles): Ditto.
9632 (solve_graph): Only propagate changed bits.
9633 Use indirect cycle elimination.
9635 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
9636 (tree_id_eq): Renamed to ...
9637 (tree_vi_eq): This. Update for member change
9638 (insert_id_for_tree): Renamed and rewritten to ...
9639 (insert_vi_for_tree): This.
9640 (lookup_id_for_tree): Renamed and rewritten to ...
9641 (lookup_vi_for_tree): This.
9642 (get_id_for_tree): Renamed and rewritten to ...
9643 (get_vi_for_tree): Ditto.
9644 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
9645 (process_constraint): Don't handle INCLUDES.
9646 Remove special ADDRESSOF case.
9647 (find_func_aliases): Rewrite to use vi functions instead of id
9649 (create_function_info_for): Ditto.
9650 (create_variable_info_for): Ditto.
9651 (intra_create_variable_infos): Ditto.
9652 (merge_smts_into): Ditto.
9653 (find_what_p_points_to): Ditto.
9654 (init_base_vars): Ditto.
9655 (init_alias_vars): Ditto.
9656 (remove_preds_and_fake_succs): New function.
9657 (dump_sa_points_to_info): Dump new stats.
9658 (dump_solution_for_var): Use find.
9659 (set_used_smts): Fix formatting.
9660 (compute_points_to_sets): Updated for new functions.
9661 (ipa_pta_execute): Ditto.
9663 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
9664 Richard Sandiford <richard@codesourcery.com>
9666 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
9668 * calls.c (expand_call): If the return value is a PARALLEL,
9669 extract its first member.
9670 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
9671 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
9672 use FUNCTION_EXTRA_EPILOGUE.
9673 (m68k_function_value): Return a PARALLEL if the return value
9674 is of a pointer type.
9675 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
9676 (FUNCTION_EXTRA_EPILOGUE): Remove.
9677 * config/m68k/m68k.md (D0_REG): New constant.
9679 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
9681 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
9682 output a NOP for empty epilogues.
9684 2007-01-18 Richard Sandiford <richard@codesourcery.com>
9686 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
9687 before function. Extend register save check to include all
9688 registers, not just integer ones.
9690 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
9692 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
9693 (m68k_use_return_insn): ...this.
9694 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
9695 * config/m68k/m68k.c (use_return_insn): Rename to...
9696 (m68k_use_return_insn): ...this.
9697 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
9700 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
9702 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
9703 nearest even, fix denormal rounding overflow.
9705 2007-01-18 Richard Sandiford <richard@codesourcery.com>
9707 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
9708 f%$smove and f%$move.
9709 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
9710 (extendsfdf2_cf): Use fdmove instead of f%&move.
9711 (truncdfsf2_cf): Use fsmove instead of f%$smove.
9712 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
9714 2007-01-18 Richard Sandiford <richard@codesourcery.com>
9716 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
9719 2007-01-18 Richard Sandiford <richard@codesourcery.com>
9721 * real.h (real_format): Add a canonical_nan_lsbs_set field.
9722 (coldfire_single_format): Declare.
9723 (coldfire_double_format): Likewise.
9724 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
9725 of qnan_msb_set to determine the lower bits of a canonical
9727 (encode_ieee_double): Likewise.
9728 (encode_ieee_quad): Likewise.
9729 (ieee_single_format): Initialize canonical_nan_lsbs_set.
9730 (mips_single_format): Likewise.
9731 (ieee_double_format): Likewise.
9732 (mips_double_format): Likewise.
9733 (ieee_extended_motorola_format): Likewise.
9734 (ieee_extended_intel_96_format): Likewise.
9735 (ieee_extended_intel_128_format): Likewise.
9736 (ieee_extended_intel_96_round_53_format): Likewise.
9737 (ibm_extended_format): Likewise.
9738 (mips_extended_format): Likewise.
9739 (ieee_quad_format): Likewise.
9740 (mips_quad_format): Likewise.
9741 (vax_f_format): Likewise.
9742 (vax_d_format): Likewise.
9743 (vax_g_format): Likewise.
9744 (i370_single_format): Likewise.
9745 (i370_double_format): Likewise.
9746 (decimal_single_format): Likewise.
9747 (decimal_double_format): Likewise.
9748 (decimal_quad_format): Likewise.
9749 (c4x_single_format): Likewise.
9750 (c4x_extended_format): Likewise.
9751 (real_internal_format): Likewise.
9752 (coldfire_single_format): New real_format.
9753 (coldfire_double_format): Likewise.
9754 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
9755 canonical_nan_lsbs_set.
9756 (pdp11_d_format): Likewise.
9757 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
9758 if TARGET_COLDFIRE_CPU.
9760 2007-01-18 Richard Sandiford <richard@codesourcery.com>
9762 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
9763 (output_call, m68k_legitimize_call_address): Declare.
9764 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
9765 parenthesees. Add support for a 'W' constraint.
9766 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
9767 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
9768 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
9769 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
9771 (override_options): Initialize them. Do not set flag_no_function_cse
9772 for TARGET_ID_SHARED_LIBRARY.
9773 (m68k_output_pic_call): Delete.
9774 (m68k_legitimize_call_address): New function.
9775 (print_operand): Remove the %o prefix. Handle the %p prefix.
9776 (output_call): New function.
9777 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
9778 target address from the GOT if symbolic jumps are not allowed.
9779 * config/m68k/m68k.md (call, general_operand): Do not set
9780 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
9781 Merge separate flag_pic and !flag_pic define_insns into...
9782 (*call, *call_value): ...these new patterns. Match the address
9783 rather than the containing MEM and require it to be a call_operand.
9784 Use output_call to generate the asm template.
9785 * config/m68k/predicates.md (const_call_operand): New predicate.
9786 (call_operand): Likewise.
9788 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
9790 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
9791 (STACK_GROWS_DOWNWARD): Define to 1.
9792 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
9793 comments, emphasizing that these values are only defaults.
9794 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
9795 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
9797 2007-01-18 Richard Sandiford <richard@codesourcery.com>
9799 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
9801 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
9802 Richard Sandiford <richard@codesourcery.com>
9804 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
9805 (FP_REGNO_P): New macros.
9806 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
9807 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
9808 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
9809 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
9811 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
9813 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9814 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
9816 * config/m68k/t-floatlib: New file, extracting common code from...
9817 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
9818 * config/m68k/t-uclinux: Here.
9819 * config/m68k/fpgnulib.c: Do not compile extendeed precision
9820 routines on ColdFire targets.
9822 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
9824 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9825 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
9826 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
9827 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
9828 explicitly set MOTOROLA to 1.
9829 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
9831 2007-01-18 Richard Sandiford <richard@codesourcery.com>
9832 Nathan Sidwell <nathan@codesourcery.com>
9834 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
9835 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
9836 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
9837 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
9838 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
9839 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
9840 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
9841 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
9842 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
9843 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
9844 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
9845 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
9846 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
9847 (DBX_REGISTER_NUMBER): Delete.
9848 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
9849 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
9850 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
9852 2007-01-18 Richard Sandiford <richard@codesourcery.com>
9854 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
9855 * config/flat.h: New file.
9856 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
9858 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
9859 indirect references for -msep-data or -mid-shared-library.
9860 Do not use PC-relative code addresses either.
9861 * config/m68k/m68k.c (override_options): Restrict -fPIC error
9863 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
9864 for shared libraries and crt1.o for executables. Use crti.o and
9866 (ENDFILE_SPEC): Use crtend.o and crtn.o.
9867 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
9868 Do not add -elf2flt or -shared-lib-id options here.
9869 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
9870 Pass -shared-lib-id if -mid-shared-library, taking the library
9871 identifier from -mshared-library-id if given, otherwise
9873 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
9874 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
9875 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
9876 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
9877 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
9878 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
9880 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
9881 jump sequence for ISA A and ISA A+.
9882 (PICJUMP): Likewise.
9884 2007-01-18 Richard Sandiford <richard@codesourcery.com>
9886 * config.gcc (m68k-*-uclinux*): Base the port on the common
9887 and m68k GNU/Linux files rather than on the generic ELF ones.
9888 * config/m68k/uclinux.h (TARGET_VERSION): Override.
9889 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
9891 2007-01-18 Julian Brown <julian@codesourcery.com>
9892 Richard Sandiford <richard@codesourcery.com>
9894 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
9895 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
9896 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
9898 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
9900 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
9902 2007-01-18 Richard Sandiford <richard@codesourcery.com>
9904 * doc/install.texi: Document m68k-uclinuxoldabi.
9905 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
9906 * config/m68k/uclinux-oldabi.h: New file, copied from
9907 config/m68k/uclinux.h.
9909 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
9911 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
9912 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
9913 (m32r_compute_frame_size): Use unsigned for regno.
9914 (m32r_reload_lr): Use gen_frame_mem.
9916 (m32r_output_function_epilogue): Don't output the function epilogue
9918 (m32r_expand_epilogue): New.
9919 (direct_return): Return false if the function has the interrupt
9921 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
9922 * config/m32r/m32r.md (epilogue): New expander.
9923 (return_lr, return_rte): New insns.
9924 (return): Make it expander.
9925 (return_normal): New expander.
9927 2007-01-18 Josh Conner <jconner@apple.com>
9930 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
9931 support for UNLE, UNLT, UNGE, and UNGT.
9933 2007-01-18 Jan Hubicka <jh@suse.cz>
9935 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
9936 * tree-tailcall (add_virtual_phis): Likewise.
9937 (optimize_tail_call): Return TODOs.
9938 (execute_tail_calls): Return TODOs.
9939 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
9940 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
9942 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
9943 Cleanup cfg using TODO.
9944 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
9945 * passes.c (execute_function_todo): When cleanup did something, remove
9947 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
9948 (make_edges): Don't cleanup_cfg.
9950 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
9952 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
9953 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
9954 operate on the top of stack.
9955 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
9956 register handling of instructions that output to the second
9958 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
9959 (move_for_stack_reg): Special-case check for dead destination
9960 stack slot for constant load of 1.0 inside UNSPEC_TAN.
9962 * config/i386/i386.md (UNSPEC_TAN): New constant.
9963 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
9964 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
9965 to correctly model move of constant 1.0 to top stack slot.
9966 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
9967 (unnamed peephole2 pattern): Remove corresponding peephole2
9968 pattern that optimizes tan insn and loading of constant 1.0.
9969 (tanxf2): Use fptanxf4_i387.
9970 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
9971 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
9972 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
9973 disable patterns for SSE math.
9974 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
9975 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
9977 2007-01-18 Dirk Mueller <dmueller@suse.de>
9978 Richard Guenther <rguenther@suse.de>
9981 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
9982 * common.opt (Warray-bounds): Add new warning option.
9983 * c-opts.c (c_common_handle_option): Define -Warray-bounds
9985 * Makefile.in: make tree-vrp.o depend on toplev.h
9986 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
9988 (check_array_refs, check_array_bounds, check_array_ref): New.
9990 2007-01-18 Jan Hubicka <jh@suse.cz>
9992 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
9993 (execute_ssa_ccp): Return flags conditionally.
9994 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
9996 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
9998 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
10000 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
10001 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
10003 * Makefile.c (GTFILES): Add cfglayout.h.
10004 * gengtype.c (open_base_files): Likewise.
10005 * cfglayout.c (cfg_layout_function_footer,
10006 cfg_layout_function_header) Reindent to make gengtype happy.
10007 * cfglayout.h (cfg_layout_function_footer,
10008 cfg_layout_function_header): Add GTY(()) marker.
10010 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
10012 2007-01-18 Ben Elliston <bje@au.ibm.com>
10014 * genautomata.c (write_automata): Include xstrerror output in the
10015 error message if writing the DFA description file fails.
10017 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
10019 * config/mips/mips-protos.h (mips_output_external): Make it
10021 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
10022 * config/mips/mips.c (irix_output_external_libcall): Likewise.
10023 (extern_list): Likewise.
10024 (extern_head): Likewise.
10025 (TARGET_ASM_FILE_END): Likewise.
10026 (mips_file_end): Likewise.
10027 (mips_output_external): Rewritten.
10029 2007-01-18 Ben Elliston <bje@au.ibm.com>
10031 * genpreds.c (write_insn_preds_c): Only write out the function
10032 body for regclass_for_constraint if we have register constraints.
10034 2007-01-17 Tom Tromey <tromey@redhat.com>
10036 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
10037 * doc/install.texi (Testing): Use sourceware.org.
10038 (Binaries): Likewise.
10039 (Specific): Likewise.
10040 * doc/contrib.texi (Contributors): Use sourceware.org.
10042 2007-01-17 Anatoly Sokolov <aesok@post.ru>
10044 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
10045 (AVR_ENHANCED): Rename to ...
10046 (AVR_HAVE_MUL): ... new.
10047 (avr_enhanced_p): Rename to ...
10048 (avr_have_mul_p): ... new.
10049 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
10050 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
10051 * config/avr/avr.c (avr_enhanced_p): Rename to ...
10052 (avr_have_mul_p): ... new.
10053 (base_arch_s): Rename 'enhanced' to 'have_mul'.
10054 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
10055 'avr_enhanced_p' and 'enhanced'.
10056 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
10057 AVR_HAVE_MUL instead of AVR_ENHANCED.
10058 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10059 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
10060 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
10061 instead of AVR_ENHANCED.
10062 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10063 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
10064 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
10066 2007-01-17 Ian Lance Taylor <iant@google.com>
10068 * vec.h (VEC_reserve_exact): Define.
10069 (vec_gc_p_reserve_exact): Declare.
10070 (vec_gc_o_reserve_exact): Declare.
10071 (vec_heap_p_reserve_exact): Declare.
10072 (vec_heap_o_reserve_exact): Declare.
10073 (VEC_OP (T,A,reserve_exact)): New static inline function, three
10075 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
10076 negative parameter.
10077 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
10078 (VEC_OP (T,A,copy)) [all versions]: Likewise.
10079 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
10080 * vec.c (calculate_allocation): Add exact parameter. Change all
10082 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
10083 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
10084 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
10085 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
10086 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
10087 (vec_heap_p_reserve_exact): New function.
10088 (vec_heap_o_reserve_exact): New function.
10090 2007-01-17 Jan Hubicka <jh@suse.cz>
10092 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
10094 2007-01-17 Eric Christopher <echristo@apple.com>
10096 * config.gcc: Support core2 processor.
10098 2007-01-16 Jan Hubicka <jh@suse.cz>
10100 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
10101 the names, just unlink the chain so we don't crash on dangling pointers
10104 2007-01-16 Jan Hubicka <jh@suse.cz>
10106 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
10107 * tree-pass.h: Reorder to make IPA passes appear toegher.
10108 (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
10109 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
10110 parameters, do not call early inliner.
10111 * ipa-inline.c: Update comments. Include tree-flow.h
10112 (cgraph_decide_inlining): Do not compute inlining parameters.
10113 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
10114 be called with function context set up.
10115 (pass_ipa_inline): Remove unreachable functions before pass.
10116 (cgraph_early_inlining): Simplify assuming to be called from the
10118 (pass_early_inline): New pass.
10119 (cgraph_gate_ipa_early_inlining): New gate.
10120 (pass_ipa_early_inline): Turn into simple wrapper.
10121 (compute_inline_parameters): New function.
10122 (gate_inline_passes): New gate.
10123 (pass_inline_parameters): New pass.
10124 (apply_inline): Move here from tree-optimize.c
10125 (pass_apply_inline): New pass.
10126 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
10128 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
10129 doing them by hand.
10130 (tree_function_versioning): Do not allocate dummy struct function.
10131 * tree-inline.h (optimize_inline_calls): Update prototype.
10132 * tree-optimize.c (execute_fixup_cfg): Export.
10133 (pass_fixup_cfg): Remove
10134 (tree_rest_of_compilation): Do not apply inlines.
10135 * tree-flow.h (execute_fixup_cfg): Declare.
10136 * Makefile.in (gt-passes.c): New.
10137 * passes.c: Include gt-passes.h
10138 (init_optimization_passes): New passes.
10139 (nnodes, order): New static vars.
10140 (do_per_function_toporder): New function.
10141 (execute_one_pass): Dump current pass here.
10142 (execute_ipa_pass_list): Don't dump current pass here.
10144 2007-01-16 Janis Johnson <janis187@us.ibm.com>
10146 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
10147 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
10149 2007-01-16 David Edelsohn <edelsohn@gnu.org>
10151 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
10152 (strong_alias): Define.
10153 (__gcc_qmul): Provide non-FMA for soft-float.
10154 (__gcc_qdiv): Same.
10159 (__gcc_qunord): New.
10169 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
10170 soft-float functions.
10171 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
10172 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
10173 about long double soft float.
10175 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
10176 Tehila Meyzels <tehila@il.ibm.com>
10178 * tree-vectorizer.h (is_pattern_stmt_p): New.
10179 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
10180 formatting (tabs instead of spaces). Cleanup and clarify setting
10181 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
10182 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
10183 (vectorizable_type_demotion): Check that types are integral.
10184 (vectorizable_type_promotion): Likewise.
10185 (vectorizable_store): Fix typo. Eliminate new-line at end of
10188 2007-01-16 Jan Hubicka <jh@suse.cz>
10190 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
10193 2007-01-15 Eric Christopher <echristo@apple.com>
10195 * ifcvt.c: Include vec.h, vecprim.h.
10196 (check_cond_move_block): New argument regs.
10197 Reorganize. Add registers used to regs.
10198 (cond_move_process_if_block): Use regs set above as
10201 2007-01-15 Eric Christopher <echristo@apple.com>
10203 * config/darwin.h: Update copyright.
10204 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
10205 (LINK_COMMAND_SPEC): Add -u.
10206 (LINK_SPEC): Fix umbrella for above.
10208 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
10210 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
10213 2007-01-15 Tom Tromey <tromey@redhat.com>
10215 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
10216 * doc/install.texi (Testing): Don't mention jacks.
10217 (Configuration): Document --enable-java-maintainer-mode. Move
10218 --with-java-home to libgcj-specific section. Document
10220 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
10222 2007-01-15 Jan Hubicka <jh@suse.cz>
10224 * tree-ssa-dce.c (DCE_TODOs): New.
10225 (propagate_necessity): Return if something changed.
10226 (eliminate_unnecessary_stmts): Likewise.
10227 (perform_tree_ssa_dce): Return TODO flags when needed.
10228 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
10230 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
10232 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
10233 (fyl2x_extend<mode>xf3_i387): New insn pattern.
10234 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
10235 patterns using X87MODEF12 mode macro. Extend operand 1
10236 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10237 (log10<mode>2): Ditto.
10238 (log2<mode>2): Ditto.
10239 (log1p<mode>2): Ditto.
10240 (logb<mode>2): Ditto.
10241 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
10242 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
10243 (*fxtractxf3_i387): Rename from *fxtractxf3.
10244 (fxtract_extend<mode>xf3_i387): New insn pattern.
10245 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
10246 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
10247 and gen_fyl2xxf3_i387().
10249 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10251 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
10252 * cfgloopmanip.c (fix_loop_placement): Made static. Use
10253 get_loop_exit_edges. Changed return type to bool.
10254 * cfgloop.h (fix_loop_placement): Declaration removed.
10256 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
10258 * param.h (MIN_VECT_LOOP_BOUND): New.
10259 * params.def (MIN_VECT_LOOP_BOUND): New.
10260 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
10261 argument - minimum threshold for number of iterations.
10262 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
10263 argument to declaration.
10264 * tree-vect-analyze.c (vect_analyze_operations): Check value of
10265 MIN_VECT_LOOP_BOUND.
10266 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
10267 slpeel_tree_peel_loop_to_edge with additional argument.
10268 (vect_do_peeling_for_alignment): Likewise.
10269 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
10271 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
10274 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
10275 operands of size 1.
10277 2007-01-14 Jan Hubicka <jh@suse.cz>
10279 * tree-dfa.c (remove_referenced_var): New function.
10280 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
10281 prune referenced vars list too.
10282 * tree-flow.h (remove_referenced_var): Declare.
10284 2007-01-14 Jan Hubicka <jh@suse.cz>
10286 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
10288 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
10289 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
10290 * except.h (verify_eh_throw_table_statements): Kill prototype.
10291 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
10292 into call exrepssions.
10293 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
10295 * tree-cfg.c: Include pointer-set.h.
10296 (verify_node_sharing): Work on pointer set.
10297 (verify_eh_throw_stmt_node): New.
10298 (verify_stmts): Use pointers sets, verify throw_stmt.
10300 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
10302 * ipa-reference.c (analyze_function): Consider also addresses taken
10305 2007-01-12 Roger Sayle <roger@eyesopen.com>
10307 * c-typeck.c (null_pointer_constant_p): Replace use of
10308 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10309 (build_c_cast): Likewise.
10311 2007-01-12 Roger Sayle <roger@eyesopen.com>
10313 * tree.h (force_fit_type_double): Remove unused final argument.
10314 * c-common.c (constant_expression_warning): Replace use of
10315 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10316 (convert_and_check): Likewise.
10317 (shorten_compare): Update call to force_fit_type_double.
10318 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
10319 * convert.c (convert_to_pointer): Update call to
10320 force_fit_type_double.
10321 * fold-const.c (force_fit_type_double): Remove overflowed_const
10323 (int_const_binop, fold_convert_const_int_from_int,
10324 fold_convert_const_int_from_real, fold_div_compare,
10325 fold_sign_changed_comparison, fold_unary, fold_negate_const,
10326 fold_abs_const, fold_not_const): Remove the final argument from
10327 calls to force_fit_type_double.
10329 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
10331 * configure.ac: Set insn to "nop" for spu-*-* also.
10332 * configure: Regenerate.
10334 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
10336 * builtins.def : Add BUILT_IN_FREE.
10338 2007-01-12 Jan Hubicka <jh@suse.cz>
10340 PR tree-optimization/30443
10341 * tree-inline.c (tree_function_versioning): Do not optimize when
10342 cloning for inlining.
10344 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
10346 * doc/loop.texi: Document recording of loop exits.
10347 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
10348 (update_single_exits_after_duplication,
10349 update_single_exit_for_duplicated_loop,
10350 update_single_exit_for_duplicated_loops): Removed.
10351 (duplicate_loop_to_header_edge): Do not call
10352 update_single_exits_after_duplication and
10353 update_single_exit_for_duplicated_loops.
10354 (loop_version): Do not update single_exit information.
10355 (fix_loop_structure): Use record_loop_exits instead of
10356 mark_single_exit_loops.
10357 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
10358 the lists of loop exits.
10359 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
10360 split_edge, merge_blocks): Update the lists of loop exits.
10361 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
10362 loop_optimizer_init.
10363 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
10364 of mark_single_exit_loops.
10365 (loop_optimizer_finalize): Call release_recorded_exits.
10366 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
10367 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
10368 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
10369 update single exit information.
10370 * lambda-code.c (perfect_nestify): Ditto.
10371 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
10372 (mark_single_exit_loops): Removed.
10373 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
10374 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
10375 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
10377 (get_loop_exit_edges, single_exit): Use recorded exit lists.
10378 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
10379 (verify_loop_structure): Verify consistency of the exit lists.
10380 (flow_loops_find): Use alloc_loop. Initialize exits hash.
10381 (set_single_exit): Removed.
10382 * cfgloop.h (struct loop_exit): New function.
10383 (struct loop): single_exit_ field replaced by exits field.
10384 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
10385 (struct loops): Added exits hash.
10386 (mark_single_exit_loops, set_single_exit): Declaration removed.
10387 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
10389 2007-01-12 Richard Sandiford <richard@codesourcery.com>
10391 * doc/invoke.texi: Avoid use of @headitem.
10393 2007-01-12 Richard Sandiford <richard@codesourcery.com>
10395 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
10397 2007-01-12 Richard Sandiford <richard@codesourcery.com>
10399 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
10402 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
10403 Richard Sandiford <richard@codesourcery.com>
10405 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
10406 * config/m68k/m68k.opt: Resort options.
10407 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
10409 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
10410 Richard Sandiford <richard@codesourcery.com>
10412 * doc/invoke.texi: Document the macros that are defined by
10413 m68k's -mtune and -mhard-float options.
10414 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
10415 (m68k_cpp_cpu_family): Likewise.
10416 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
10417 of __ucfv*__ macros. Define __mcffpu__ if generating code for
10418 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
10419 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
10420 (m68k_cpp_cpu_family): Likewise.
10422 2007-01-12 Richard Sandiford <richard@codesourcery.com>
10424 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
10425 macros besides mc68000 as tuning macros. Use a switch statement
10426 to set them and mcpu32.
10428 2007-01-12 Julian Brown <julian@codesourcery.com>
10430 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
10431 (TARGET_68040_ONLY): Rename to...
10432 (TARGET_68040): ...this.
10433 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
10434 * config/m68k/m68k.md: Likewise.
10436 2007-01-12 Julian Brown <julian@codesourcery.com>
10437 Nathan Sidwell <nathan@codesourcery.com>
10438 Richard Sandiford <richard@codesourcery.com>
10440 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
10441 the -mcpu= argument associated with the --with-cpu setting.
10442 Define M68K_DEFAULT_TUNE to the default -mtune= option,
10443 if different from the one implied by the -mcpu setting.
10444 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
10445 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
10446 * doc/invoke.texi: Mention ColdFire in the introduction to the
10447 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
10448 -mno-div and -mhard-float options. Make -m68881 a synonym for
10449 -mhard-float. Document the previously-undocumented -m5206e,
10450 -m528x, -m5307 and -m5407 options. Tweak the existing option
10451 documentation for consistency.
10452 * doc/install.texi: Mention new --with-cpu arguments.
10453 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
10454 default CPU if neither -mcpu nor -march are specified.
10455 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
10456 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
10457 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
10458 using m68k_tune to decide between families that implement the
10459 same ISA. Use m68k_tune to set __mcfv4e__.
10460 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
10461 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
10462 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
10463 (FL_ISA_C, FL_ISA_MMU): New macros.
10464 (MASK_COLDFIRE): Delete.
10465 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
10466 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
10467 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
10468 (TARGET_HARD_FLOAT): Do not define here.
10469 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
10470 (TUNE_68000): New macro.
10471 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
10472 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
10473 (TUNE_CFV2): Redefine in terms of m68k_tune.
10474 (uarch_type, target_device, fpu_type): New enums.
10475 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
10476 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
10477 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
10478 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
10479 (FL_FOR_isa_c): New macros.
10480 (m68k_isa): New enum.
10481 (m68k_target_selection): New structure.
10482 (all_devices, all_isas, all_microarchs): New tables.
10483 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
10484 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
10485 (MASK_ALL_CPU_BITS): Delete.
10486 (m68k_find_selection): New function.
10487 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
10488 Map the legacy target options to a combination of the new ones.
10489 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
10490 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
10491 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
10493 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
10494 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
10496 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
10497 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
10498 * config/m68k/m68k-devices.def: New file.
10500 2007-01-12 Richard Sandiford <richard@codesourcery.com>
10501 Nathan Sidwell <nathan@codesourcery.com>
10503 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
10504 (SUBTARGET_EXTRA_SPECS): New macros.
10505 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
10506 use %(asm_cpu_spec) instead.
10507 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
10508 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
10509 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
10510 (EXTRA_SPECS): Rename to...
10511 (SUBTARGET_EXTRA_SPECS): ...this.
10513 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
10514 Richard Sandiford <richard@codesourcery.com>
10515 Julian Brown <julian@codesourcery.com>
10517 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10518 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
10519 to the configuration's default CPU.
10520 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
10521 Remove default masks.
10522 (m680[012]0-*-*): Set the default with_cpu to the first part of
10524 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
10525 (m68k*-*-linux): Extend the --with-cpu handling to...
10526 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
10527 and m68010. Don't set target_cpu_default2.
10528 * doc/install.texi: Document --with-cpu for m68k.
10529 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
10530 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
10531 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
10532 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
10533 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
10534 (ASM_SPEC): Remove use of %(asm_cpu_default).
10535 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
10536 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
10537 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
10538 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
10539 __HAVE_FPU__ if TARGET_HARD_FLOAT.
10540 (TARGET_DEFAULT): Delete.
10541 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
10542 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
10543 (CPP_CPU_SPEC): Delete.
10544 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
10545 the appropriate string.
10546 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
10547 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
10548 (ASM_SPEC): Don't use %(asm_default_spec).
10549 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10550 TARGET_DEFAULT and add MASK_68881.
10551 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
10553 2007-01-12 Richard Sandiford <richard@codesourcery.com>
10555 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
10556 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
10557 MASK_68010 alongside MASK_68020.
10558 * doc/invoke.texi: Document -m68010.
10559 * config/m68k/m68k.opt (m68010): New.
10560 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
10562 (TUNE_68010): New macro.
10563 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
10564 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
10565 (M68K_CPU_m68332): Add MASK_68010.
10566 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
10567 fallback definition.
10568 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
10570 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
10571 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
10572 to all entries that use MASK_68020.
10573 (output_move_simode_const, output_move_himode, output_move_qimode)
10574 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
10575 instead of TARGET_68020 to select clr behavior. Remove comment
10576 about there being no TARGET_68010.
10577 * config/m68k/m68k.md: Likewise throughout.
10579 2007-01-12 Julian Brown <julian@codesourcery.com>
10581 * config/m68k/m68k.h (TARGET_ISAB): New macro.
10582 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
10583 * config/m68k/m68k.md: Likewise.
10585 2007-01-12 Julian Brown <julian@codesourcery.com>
10587 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
10588 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
10590 2007-01-12 Julian Brown <julian@codesourcery.com>
10592 * config/m68k/m68k.h (TUNE_68040_60): New macro.
10593 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
10594 * config/m68k/m68k.md: Likewise.
10596 2007-01-12 Julian Brown <julian@codesourcery.com>
10597 Richard Sandiford <richard@codesourcery.com>
10599 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
10600 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
10601 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
10603 (TARGET_CPU32): Rename to...
10604 (TUNE_CPU32): ...this.
10605 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
10606 (TUNE_CFV2): New macros.
10607 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
10608 remove conditions that are implied by TARGET_68020.
10609 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
10610 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
10611 (m68k_output_function_epilogue): Likewise.
10612 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
10613 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
10614 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
10615 non-68000 timings. Refactor multiplication and division costs.
10616 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
10617 TUNE_CPU32 instead of TARGET_CPU32.
10618 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
10619 and TUNE_68060 instead of TARGET_68060.
10620 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
10621 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
10623 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
10624 && !TARGET_COLDFIRE" to choose between moveq and clr.
10625 Likewise in the unnamed movsf pattern.
10626 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
10627 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
10630 2007-01-12 Richard Sandiford <richard@codesourcery.com>
10632 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
10633 of tabbing before backslashes.
10635 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10637 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
10638 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
10639 (ASM_OUTPUT_INTERNAL_LABEL): Define.
10641 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10643 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
10644 find_interesting_uses_cond.
10645 (find_interesting_uses_cond): Use extract_cond_operands.
10646 (rewrite_use_compare): Use extract_cond_operands and
10647 force_gimple_operand_bsi. Do not call update_stmt.
10648 (determine_use_iv_cost_condition): Use extract_cond_operands.
10649 Return cheaper of using original bound and changing the exit bound.
10651 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10653 PR tree-optimization/29516
10654 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
10655 most_expensive_mult_to_index, addr_to_parts,
10656 create_mem_ref, maybe_fold_tmr): Make the type of
10657 fields of TARGET_MEM_REF sizetype.
10658 (move_fixed_address_to_symbol, move_pointer_to_base):
10660 * tree.def (TARGET_MEM_REF): Add comment on types of
10663 2007-01-11 Joseph Myers <joseph@codesourcery.com>
10665 * c-common.c (vector_types_convertible_p): Treat opaque types as
10666 always convertible if they have the same size, but not otherwise.
10668 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
10670 * ifcvt.c (struct noce_if_info): Add comments to the fields.
10671 Remove the b_unconditional field.
10672 (noce_try_sign_mask): Do not look at b_unconditional.
10673 (noce_process_if_block): Do not use merge_if_blocks. Update
10674 the CFG here. Do not set b_unconditional.
10675 (cond_move_process_if_block): Likewise.
10676 (find_cond_trap): Likewise.
10677 (check_cond_move_block): Require simple jump insns at the end
10678 of the basic block.
10680 2007-01-11 Jan Hubicka <jh@suse.cz>
10682 PR tree-optimization/1046
10683 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
10684 when alias info is not ready.
10685 (pass_tail_recursion): Do not require aliasing.
10686 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
10687 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
10688 * tree-ssa-copy.c (pass_copy_prop): Likewise.
10689 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
10690 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
10691 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
10692 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
10694 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
10695 When aliasing is not build, mark statement as volatile.
10697 2007-01-11 Tom Tromey <tromey@redhat.com>
10699 PR preprocessor/15185, PR preprocessor/20989:
10700 * doc/cppopts.texi <-MT>: Update description of algorithm for
10701 computing default target.
10702 <-M, -MD>: Reword "basename" text.
10704 2007-01-11 Roger Sayle <roger@eyesopen.com>
10706 * builtins.c (expand_builtin_pow, expand_builtin_powi,
10707 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
10708 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
10709 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
10710 fold_builtin_bswap, real_constp, fold_builtin_pow,
10711 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
10712 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
10713 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10714 * convert.c (convert_to_pointer): Likewise.
10715 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
10716 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
10717 const_binop, fold_convert_const_int_from_int,
10718 fold_convert_const_int_from_real,
10719 fold_convert_const_real_from_real, sign_bit_p,
10720 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
10721 fold_sign_changed_comparison, fold_unary, fold_comparison,
10722 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
10723 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
10724 * print-tree.c (print_node_brief, print_node): Likewise.
10725 * stor-layout.c (place_field, layout_type): Likewise.
10726 * tree-chrec.c (keep_cast): Likewise.
10727 * tree.c (build_vector, build_real, build_real_from_int_cst,
10728 build_complex): Likewise.
10730 2007-01-11 Roger Sayle <roger@eyesopen.com>
10732 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
10733 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
10735 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
10737 * configure.ac (strict1_warn): Rename to strict_warn.
10738 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
10739 cc_set_by_configure, quoted_cc_set_by_configure,
10740 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
10741 all_boot_languages, all_stagestuff): Remove.
10742 (target_list): Remove bootstrap targets.
10743 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
10744 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
10745 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
10746 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
10747 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
10748 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
10749 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
10750 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
10751 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
10752 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
10753 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
10754 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
10755 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
10756 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
10757 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
10758 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
10759 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
10760 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
10761 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
10762 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
10763 (mostlyclean): Adjust.
10764 (clean, distclean): Don't mention bootstrap stuff.
10765 * configure: Regenerate.
10766 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
10767 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
10768 treelang/config-lang.in (stagestuff): Remove.
10769 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
10770 stageprofile, stagefeedback, stagestuff): Remove mention.
10772 2007-01-11 Nick Clifton <nickc@redhat.com>
10774 * config/mcore/predicates.md (mcore_general_movesrc_operand):
10776 (mcore_general_movdst_operand): Do not accept CONST_INTs.
10777 (mcore_arith_K_S_operand): Run the test for the S constraint not
10778 the test for the M constraint.
10779 (mcore_addsub_operand): Do not accept integer values that are
10780 larger than 32 bits.
10781 * config/mcore/mcore.md: Remove unused constraints from split.
10782 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
10783 (addsi3): Likewise.
10784 (allocate_stack): Likewise.
10785 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
10786 operands to 32 bits.
10787 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
10789 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
10790 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
10791 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
10792 mcore_output_bclri, mcore_output_andn, output_inline_const,
10793 mcore_output_move, mcore_output_movedouble): Likewise.
10794 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
10795 (output_inline_const): Likewise.
10796 (output_inline_const): Fix format strings used in sprintf
10798 * config/mcore/mcore-protos.h: Update prototypes for changed
10799 functions in mcore.c.
10800 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
10801 HOST_WIDE_INT and not int.
10802 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
10803 CONST_OK_FOR_N): Likewise.
10804 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
10805 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
10808 2007-01-10 Jan Hubicka <jh@suse.cz>
10810 * tree-vrp.c (remove_range_assertions): Release defs.
10811 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
10812 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
10814 2007-01-10 Paul Brook <paul@codesourcery.com>
10816 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
10817 * config/arm/arm.md (mulsi3subsi): New insn.
10819 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
10821 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
10822 (tree_transform_and_unroll_loop): New.
10823 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
10826 2007-01-10 Robert Kennedy <jimbob@google.com>
10828 * fold-const.c (fold_comparison): Fold comparisons like (x *
10829 1000 < 0) to (x < 0).
10831 2007-01-10 Ian Lance Taylor <iant@google.com>
10833 * tree-pretty-print.c (dump_generic_node): Print parentheses when
10834 operands have the same priority.
10836 2007-01-10 Tom Tromey <tromey@redhat.com>
10838 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
10839 (fold_binary): Likewise.
10840 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
10841 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
10842 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
10843 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
10844 * langhooks.h (struct lang_hooks): Removed field
10845 'can_use_bit_fields_p'.
10847 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
10849 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
10851 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
10853 * function.c (get_last_funcdef_no): New function.
10854 * function.h (get_last_funcdef_no): Declare.
10855 * tree-inline.c (initialize_cfun): Add initialization.
10856 (tree_function_versioning): Cleanup.
10858 2007-01-10 Jan Hubicka <jh@suse.cz>
10860 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
10863 2007-01-10 Sa Liu <saliu@de.ibm.com>
10864 Ben Elliston <bje@au.ibm.com>
10866 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
10867 for SAVE_NONLOCAL and Pmode for any other save level.
10868 * spu-protos.h (spu_restore_stack_block): Declare.
10869 * spu.md (save_stack_block): Remove.
10870 (restore_stack_block): Call spu_restore_stack_block.
10871 * spu.c (spu_restore_stack_block): New function.
10872 (spu_expand_epilogue): Remove old comment.
10874 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
10876 PR tree-optimization/30322
10877 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
10878 (cand_value_at): Return the value as aff_tree.
10879 (may_eliminate_iv): Convert the bound from aff_tree to tree.
10880 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
10881 aff_combination_mult): New functions.
10882 (aff_combination_add): Use aff_combination_add_cst.
10883 (aff_combination_convert): Allow conversions to a wider type.
10884 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
10885 * tree-affine.h (aff_combination_mult): Declare.
10887 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
10889 * doc/tm.texi: Update documentation to reflect reality of exec
10890 and start file search behaviours. Update copyright year.
10891 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
10892 header file directories.
10894 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
10896 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
10897 (*cosxf2): Rename to cosxf2_i387.
10898 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
10899 using X87MODEF12 mode macro. Rename patterns to
10900 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
10902 (*cosdf2, *cossf2): Ditto.
10903 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
10904 to match extended input operands.
10905 (sincos<mode>3): New expander.
10906 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
10907 insn patterns and corresponding splitters.
10909 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
10911 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
10912 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
10914 2007-01-09 Nicolas Pitre <nico@cam.org>
10917 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
10919 2007-01-08 Geoffrey Keating <geoffk@apple.com>
10921 * target.h (struct gcc_target): New field library_rtti_comdat.
10922 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
10923 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
10924 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
10925 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
10927 2007-01-08 Geoffrey Keating <geoffk@apple.com>
10929 * doc/invoke.texi (Optimize Options): Correct description of -O0.
10931 2007-01-08 Richard Guenther <rguenther@suse.de>
10933 * tree.h (force_fit_type_double): Export.
10934 (force_fit_type): Remove.
10935 * fold-const.c (force_fit_type_double): New function.
10936 (force_fit_type): Remove.
10937 (int_const_binop): Use it.
10938 (fold_convert_const_int_from_int): Likewise.
10939 (fold_convert_const_int_from_real): Likewise.
10940 (fold_div_compare): Likewise.
10941 (fold_sign_changed_comparison): Likewise.
10942 (fold_unary): Likewise.
10943 (fold_negate_const): Likewise.
10944 (fold_abs_const): Likewise.
10945 (fold_not_const): Likewise.
10946 * c-common.c (shorten_compare): Use force_fit_type_double.
10947 * convert.c (convert_to_pointer): Likewise.
10949 2007-01-08 Richard Guenther <rguenther@suse.de>
10951 * tree.h (build_int_cst_wide_type): Export.
10952 * tree.c (build_int_cst_wide_type): New function.
10953 (build_int_cst_wide): Fix comment.
10954 * builtins.c (fold_builtin_object_size): Use build_int_cst
10955 to build -1 or 0 of the correct type. Use fit_double_type
10956 to check for overflow.
10957 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
10959 (decode_field_reference): Likewise.
10960 (all_ones_mask_p): Likewise.
10961 (native_interpret_int): Use build_int_cst_wide_type.
10962 (fold_binary): Use build_int_cst_type to build an all-ones
10964 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
10966 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
10968 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
10970 2007-01-09 Ben Elliston <bje@au.ibm.com>
10972 * genautomata.c (STATS_OPTION): New option.
10973 (stats_flag): New flag.
10974 (gen_automata_option): Handle it.
10975 (initiate_automaton_gen): Ditto.
10976 (write_automata): Output statistics only if stats_flag is
10977 set. Likewise, output time statistics only if time_flag is set.
10978 * doc/md.texi (Processor pipeline description): Document new flag.
10980 2007-01-08 Richard Guenther <rguenther@suse.de>
10982 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
10983 * tree.c (build_int_cst_type): Likewise.
10984 (size_in_bytes): Don't call force_fit_type on the result.
10985 (int_fits_type_p): Use fit_double_type.
10986 * fold-const.c (fit_double_type): New function.
10987 (force_fit_type): Use it.
10988 * tree.h (fit_double_type): Export.
10990 2007-01-08 Jan Hubicka <jh@suse.cz>
10992 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
10993 * ipa.c (function_and_variable_visibility): Fix return type.
10995 2007-01-08 Richard Guenther <rguenther@suse.de>
10997 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
10998 of offset to build the index.
10999 * tree-pretty-print.c (dump_generic_node): Don't build negated
11000 const just for printing.
11001 * c-pretty-print.c (pp_c_integer_constant): Likewise.
11002 * builtins.c (fold_builtin_int_roundingfn): Check if result
11003 fits the type by using force_fit_type and comparing the result.
11004 * predict.c (predict_loops): Use compare_tree_int for comparison.
11005 * tree.c (build_int_cst): Fall back to integer_type_node for
11007 (build_int_cst_wide): Assert type is non-null.
11009 2007-01-08 Roberto Costa <roberto.costa@st.com>
11011 * tree-vrp.c (extract_range_from_cond_expr): New.
11012 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
11013 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
11015 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
11016 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
11017 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
11018 used as expressions.
11019 * tree-object-size.c (cond_expr_object_size): New.
11020 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
11022 2007-01-08 Jan Hubicka <jh@suse.cz>
11024 * tree-ssa-forwprop.c (forward_propagate_into_cond,
11025 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
11028 2007-01-08 Richard Guenther <rguenther@suse.de>
11030 PR tree-optimization/23603
11031 * tree-vrp.c (set_value_range_to_truthvalue): New function.
11032 (extract_range_from_binary): Fall back to truthvalue instead of
11033 varying for TRUTH_*_EXPR.
11034 (extract_range_from_comparison): Fall back to truthvalue instead of
11036 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
11037 if all visited PHI values were constant.
11039 2007-01-08 Jan Hubicka <jh@suse.cz>
11041 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
11042 (cgraph_analyze_function): break out from ...
11043 (cgraph_finalize_compilation_unit): ... here.
11044 (cgraph_expand_function): Remove forgoten commented out line.
11045 (cgraph_optimize): Analyze functions.
11047 2007-01-08 Jan Hubicka <jh@suse.cz>
11049 * tree-pas.h (TODO_remove_function): New flag.
11050 (TODO_update*): Renumber.
11051 (pass_ipa_increase_alignment,
11052 pass_ipa_function_and_variable_visibility): New passes.
11053 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
11054 (cgraph_function_and_variable_visibility): Move to ipa.c
11055 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
11056 cgraph_increase_alignment.
11057 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
11058 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
11059 calling tree-inline.
11060 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
11061 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
11062 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
11063 (gate_increase_alignment): New function.
11064 (pass_ipa_increase_alignment): New pass.
11065 * ipa.c: Inline tree-pass.h and timevar.h
11066 (function_and_variable_visibility): Move here from cgraphunit.c
11067 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
11068 * passes.c (init_optimization_passes): Add the two new passes.
11069 (execute_todo): Handle cgraph_remove_functions.
11071 2007-01-08 Nick Clifton <nickc@redhat.com>
11073 * config/frv/predicates.md (reg_or_0_operand): Accept
11076 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
11078 * config/bfin/rtems.h, config/bfin/t-rtems: New.
11079 * config.gcc: Add bfin*-rtems*.
11081 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
11083 * c.opt: Add -flax-vector-conversions.
11084 * c-typeck.c (convert_for_assignment): Pass flag to
11085 vector_types_convertible_p to allow emission of note.
11086 (digest_init): Likewise.
11087 * c-opts.c: Handle -flax-vector-conversions.
11088 * c-common.c (flag_lax_vector_conversions): New.
11089 (vector_types_convertible_p): Unless -flax-vector conversions
11090 has been passed, disallow conversions between vectors with
11091 differing numbers of subparts and/or element types. If such
11092 a conversion is disallowed, possibly emit a note on the first
11093 occasion only to inform the user of -flax-vector-conversions.
11094 The new last argument specifies this.
11095 * c-common.h (flag_lax_vector_conversions): New.
11096 (vector_types_convertible_p): Add extra argument.
11097 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
11098 char_type_node for V*QI type vectors.
11099 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
11100 Update to satisfy new typechecking rules.
11101 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
11102 C and C++ variants.
11103 * doc/invoke.texi (C Dialect Options): Document
11104 -flax-vector-conversions.
11106 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
11108 PR tree-optimization/29877
11109 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
11110 a register variable on the RHS to not be replaceable.
11112 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
11113 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
11114 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
11115 const_simm15, const_pow2, const_npow2): Added.
11116 * config/score/misc.md (insv, extv, extzv, movmemsi,
11117 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
11118 * config/score/score.c (score_address_cost, score_select_cc_mode):
11120 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
11121 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
11122 Update score_print_operand.
11123 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
11124 Adjust register allocate order and update some macro define.
11125 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
11126 mdx_block_move_straight, mdx_block_move_loop_head,
11127 mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
11128 mdx_block_move): Added.
11129 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
11130 mdp_limm): Updated and fix some bug and typo.
11131 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
11132 (movsf, movdf, doloop_end): Added.
11134 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
11136 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
11137 config/arm/thumb2.md: Fix comment typos.
11138 * doc/extend.texi: Fix a typo.
11140 2007-01-07 Eric Christopher <echristo@apple.com>
11142 * configure.ac: Check for __stack_chk_fail for darwin.
11143 * configure: Regenerate.
11145 2007-01-07 Richard Guenther <rguenther@suse.de>
11147 * tree-vrp.c (extract_range_from_assert): CSE calls to
11148 compare_values where possible.
11149 (extract_range_from_unary_expr): Likewise.
11151 2007-01-07 Anatoly Sokolov <aesok@post.ru>
11153 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
11154 * config/avr/avr.c (call_insn_operand): Delete function.
11155 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
11156 instead of register number. Use predicates.
11157 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
11158 call_insn_operand): Add.
11160 2007-01-06 Jan Hubicka <jh@suse.cz>
11162 * tree-pass.h (pass_build_cgraph_edges): Declare.
11163 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
11164 (visited_nodes): Remove.
11165 (cgraph_create_edges): Move to cgraphbuild.c; rename to
11166 build_cgrpah_edges; make visited_nodes local.
11167 (cgraph_process_new_functions): DO not call initialize_inline_failed.
11168 (record_references_in_initializer): Move to cgraphbuild.c
11169 (initialize_inline_failed, rebuild_cgraph_edges,
11170 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
11171 (verify_cgraph_node): Make visited_nodes local.
11172 (cgraph_analyze_function): Do not call cgraph_create_edges and
11173 initialize_inline_failed.
11174 (cgraph_expand_function): Do not call cgraph_lower_function;
11175 assert that function is already lowered.
11176 * Makefile.in (cgraphbuild.o): New.
11177 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
11178 at the end of lowering passes.
11180 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
11182 * ifcvt.c (cond_move_convert_if_block): New function, code
11183 factored out from...
11184 (cond_move_process_if_block): ...here. Call the new function
11185 on the THEN and ELSE blocks.
11186 (merge_if_block): Do not copy global_live_at_end, merge_blocks
11187 already takes care of this.
11189 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11192 * tree.h (TREE_OVERFLOW_P): New.
11193 * c-typeck.c (parser_build_unary_op): Warn only if result
11194 overflowed and operands did not.
11195 (parser_build_binary_op): Likewise.
11196 (convert_for_assignment): Remove redundant overflow_warning.
11197 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
11199 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11201 * c-typeck.c (store_init_value): Split over two lines to follow
11202 the GNU coding style.
11204 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
11206 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
11207 __GXX_EXPERIMENTAL_CXX0X__.
11208 * doc/cpp.texi: Same.
11210 2007-01-05 Richard Guenther <rguenther@suse.de>
11212 PR middle-end/27826
11213 * tree.c (get_narrower): Do not construct COMPONENT_REFs
11214 with mismatched types. Instead explicitly build a
11215 conversion NOP_EXPR.
11217 2007-01-05 Ian Lance Taylor <iant@google.com>
11219 * c-common.c (decl_with_nonnull_addr_p): New function.
11220 (c_common_truthvalue_conversion): Call it.
11221 * c-typeck.c (build_binary_op): Likewise.
11222 * c-common.h (decl_with_nonnull_addr_p): Declare.
11224 2007-01-05 Jakub Jelinek <jakub@redhat.com>
11227 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
11230 2007-01-05 Joel Brobecker <brobecker@adacore.com>
11232 * doc/install.texi (Final install): Document the fact that
11233 the GNAT runtime should not be stripped.
11235 2007-01-04 Jan Hubicka <jh@suse.cz>
11237 * tree-inline.c (fold_marked_statements): Update operand caches
11238 and EH after folding
11240 2007-01-04 Ian Lance Taylor <iant@google.com>
11242 * c-common.c (check_function_nonnull): Whitespace fix.
11244 2007-01-04 Jan Hubicka <jh@suse.cz>
11246 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
11247 comitted older version of patch.
11248 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
11249 function, celanup cfg and collect garbage.
11251 2007-01-04 Mike Stump <mrs@apple.com>
11253 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
11256 2007-01-04 Eric Christopher <echristo@apple.com>
11258 * libgcc2.c (__bswapsi2): Use SItype.
11259 (__bswapdi2): Use DItype.
11260 * libgcc2.h: Update for above.
11262 2007-01-04 Paul Brook <paul@codesourcery.com>
11264 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
11265 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
11266 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
11267 umulsidi3, umulsidi3adddi, smulsi3_highpart,
11268 umulsi3_highpart): Make conditional on !arm_arch6.
11269 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
11270 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
11271 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
11272 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
11273 umulsi3_highpart_v6): New insns.
11275 2007-01-04 Roger Sayle <roger@eyesopen.com>
11277 * fold-const.c (fold_convert): When casting an expression to void,
11278 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
11279 have a type. Instead of attempting to build a NOP_EXPR, return
11280 these "special" trees directly.
11282 2007-01-04 Joseph Myers <joseph@codesourcery.com>
11284 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
11285 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
11286 rs6000_cost->fp not 0 as adjustment for outer NEG.
11288 2007-01-04 Jan Hubicka <jh@suse.cz>
11290 * cgraph.c (cgraph_release_function_body): New function.
11291 (cgraph_remove_node): Use it.
11292 * cgraph.h (cgraph_release_function_body): Declare.
11293 * cgraphunit.c (cgraph_expand_function): Use it.
11294 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
11295 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
11296 is initialized and while compilation of other function is running.
11297 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
11298 statement CFG annotations from here to ...
11299 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
11301 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
11303 * cfgloop.h (enum li_flags): Make the constants powers of two.
11305 2007-01-04 Jan Hubicka <jh@suse.cz>
11307 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
11309 (fold_marked_statements): New function.
11310 (optimize_inline_calls, tree_function_versioning): Fold new statements.
11311 * tree-inline.h (copy_body_data): Add statements_to_fold.
11313 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
11315 * config.gcc: Mention libgcc/config.host.
11316 * Makefile.in: Update comments mentioning libgcc.
11317 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
11318 (all.cross, start.encap, rest.encap, rest.cross): Update
11319 dependencies for libgcc move.
11320 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
11321 (clean-target, clean-target-libgcc): Delete.
11322 (srcdirify, GCC_EXTRA_PARTS): New macros.
11323 (libgcc-support, libgcc.mvars): New rules.
11324 (distclean): Remove mention of mklibgcc.
11325 (install): Don't reference INSTALL_LIBGCC.
11326 (install-common): Don't reference EXTRA_PARTS.
11327 (install-libgcc, install-multilib): Delete rules.
11328 * mklibgcc.in: Delete file.
11329 * doc/configfiles.texi: Don't mention mklibgcc.
11331 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
11332 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
11333 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
11334 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
11335 (mklibgcc, ldblspecs): Likewise.
11337 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
11338 (posixpre.def): Use $(T).
11339 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
11340 (SHLIB_SRC, SHLIB_INSTALL): Delete.
11341 (SHLIB_LINK): Make dummy.
11342 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
11344 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
11346 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
11347 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
11348 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
11349 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
11351 * configure.ac (all_outputs): Remove mklibgcc.
11352 * configure: Regenerated.
11354 2007-01-03 Josh Conner <jconner@apple.com>
11356 PR middle-end/29683
11357 * calls.c (compute_argument_addresses): Set stack and stack_slot
11358 for partial args, too.
11359 (store_one_arg): Use locate.size.constant for the size when
11360 generating a save_area.
11362 2007-01-03 Robert Kennedy <jimbob@google.com>
11364 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
11365 whose definitions are deleted due to basic block merging.
11367 2007-01-03 Paul Brook <paul@codesourcery.com>
11370 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
11372 (use_return_insn): Return 0 for Thumb interrupt functions.
11373 (print_multi_reg): Add rfe argument for IRQ returns.
11374 (arm_output_epilogue): Pop interrupt return address directly into PC.
11375 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
11377 2007-01-03 Paul Brook <paul@codesourcery.com>
11379 Merge from sourcerygxx-4_1.
11380 * config/arm/thumb2.md: New file.
11381 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
11383 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
11384 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
11385 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
11386 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
11388 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
11389 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
11391 * config/arm/ieee754-sf.S: Ditto.
11392 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
11393 (thumb1_base_register_rtx_p): ... to this.
11394 (thumb_index_register_rtx_p): Rename...
11395 (thumb1_index_register_rtx_p): ... to this.
11396 (thumb_output_function_prologue): Rename...
11397 (thumb1_output_function_prologue): ... to this.
11398 (thumb_legitimate_address_p): Rename...
11399 (thumb1_legitimate_address_p): ... to this.
11400 (thumb_rtx_costs): Rename...
11401 (thumb1_rtx_costs): ... to this.
11402 (thumb_compute_save_reg_mask): Rename...
11403 (thumb1_compute_save_reg_mask): ... to this.
11404 (thumb_final_prescan_insn): Rename...
11405 (thumb1_final_prescan_insn): ... to this.
11406 (thumb_expand_epilogue): Rename...
11407 (thumb1_expand_epilogue): ... to this.
11408 (arm_unwind_emit_stm): Rename...
11409 (arm_unwind_emit_sequence): ... to this.
11410 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
11411 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
11412 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
11413 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
11414 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
11415 thumb2_output_casesi): New functions.
11416 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
11417 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
11418 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
11419 THUMB2_WORK_REGS): Define.
11420 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
11421 arm_condexec_mask, arm_condexec_masklen)): New variables.
11422 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
11423 (arm_override_options): Check new CPU capabilities.
11424 Set new architecture flag variables.
11425 (arm_isr_value): Handle v7m interrupt functions.
11426 (user_return_insn): Return 0 for v7m interrupt functions. Handle
11428 (const_ok_for_arm): Handle Thumb-2 constants.
11429 (arm_gen_constant): Ditto. Use movw when available.
11430 (arm_function_ok_for_sibcall): Return false for v7m interrupt
11432 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
11433 (thumb_find_work_register, arm_load_pic_register,
11434 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
11435 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
11436 print_multi_reg, output_mov_long_double_fpa_from_arm,
11437 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
11438 output_mov_double_fpa_from_arm, output_move_double,
11439 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
11440 output_return_instruction, arm_output_function_prologue,
11441 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
11442 arm_output_mi_thunk, thumb_set_return_address): Ditto.
11443 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
11444 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
11445 (arithmetic_instr, shift_op): Use arm_shift_nmem.
11446 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
11448 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
11449 (thumb_expand_prologue): Use thumb_set_frame_pointer.
11450 (arm_file_start): Output directive for unified syntax.
11451 (arm_unwind_emit_set): Handle stack alignment instruction.
11452 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
11453 Add v6t2, v7, v7a, v7r and v7m.
11454 (RETLDM): Add Thumb-2 code.
11455 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
11456 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
11457 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
11458 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
11459 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
11460 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
11461 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
11462 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
11463 ADJUST_INSN_LENGTH): Define.
11464 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
11465 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
11466 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
11467 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
11468 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
11469 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
11470 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
11471 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
11472 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
11473 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
11474 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
11475 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
11476 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
11477 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
11478 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
11479 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
11480 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
11482 * config/arm/arm-tune.md: Regenerate.
11483 * config/arm/arm-protos.h: Update prototypes.
11484 * config/arm/vfp.md: Enable patterns for Thumb-2.
11485 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
11486 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
11487 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
11488 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
11489 * config/arm/libunwind.S: Add Thumb-2 code.
11490 * config/arm/constraints.md: Update include Thumb-2.
11491 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
11492 * config/arm/ieee754-df.S: Ditto.
11493 * config/arm/bpabi.S: Ditto.
11494 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
11495 * config/arm/predicates.md (low_register_operand,
11496 low_reg_or_int_operand, thumb_16bit_operator): New.
11497 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
11498 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
11499 * config/arm/t-arm-elf: Add armv7 multilib.
11500 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
11502 (UNSPEC_STACK_ALIGN, ce_count): New.
11503 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
11504 arm_zero_extendsidi2, arm_zero_extendqidi2): New
11506 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
11507 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
11508 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
11509 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
11510 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
11511 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
11513 * doc/extend.texi: Document ARMv7-M interrupt functions.
11514 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
11516 2007-01-03 Jakub Jelinek <jakub@redhat.com>
11518 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
11519 (struct _Unwind_Context): Rename args_size to flags, remove
11520 signal_frame field, add a new args_size field and version field.
11521 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
11522 _Unwind_IsExtendedContext): New inline functions.
11523 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11524 Assume by_value array is only present if _Unwind_IsExtendedContext.
11525 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
11526 _Unwind_IsSignalFrame.
11527 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
11528 (uw_update_context_1): Use _Unwind_SetSignalFrame.
11529 (uw_init_context_1): Initialize context->flags to
11530 EXTENDED_CONTEXT_BIT.
11531 * config/rs6000/linux-unwind.h (frob_update_context): Use
11532 _Unwind_SetSignalFrame.
11534 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
11536 PR middle-end/30353
11537 * gimplify.c (gimplify_modify_expr_complex_part): Move below
11538 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
11541 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
11543 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
11544 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
11545 RET, AT_SP): Remove.
11546 * config/i386/i386.md (*sse_prologue_save_insn): Use return
11549 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11550 * cfgbuild.c (find_basic_blocks): Likewise.
11551 * cfgrtl.c (rtl_create_basic_block): Likewise.
11552 * function.c (temp_slots_at_level): Likewise.
11553 * reg-stack.c (stack_regs_mentioned): Likewise.
11554 * regclass.c (allocate_reg_info): Likewise.
11555 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11556 set_bb_for_stmt, move_block_to_fn): Likewise.
11557 * tree-complex.c (tree_lower_complex): Likewise.
11558 * vec.h (VEC_safe_grow_cleared): New.
11560 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
11562 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
11564 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
11565 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
11567 * cfgloopmanip.c (scale_loop_frequencies): Export.
11568 (loopify): Scale the frequencies by prescribed coefficients.
11569 (set_zero_probability): New function.
11570 (duplicate_loop_to_header_edge): Improve updating of frequencies.
11571 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
11572 and frequencies according to arguments.
11573 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
11575 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
11576 * modulo-sched.c (sms_schedule): Set probabilities for entering
11577 versioned loop correctly.
11578 * tree-vect-transform.c (vect_transform_loop): Ditto.
11579 * cfgloop.h (loopify, loop_version): Declaration changed.
11580 (scale_loop_frequencies): Declared.
11582 2007-01-02 Jan Hubicka <jh@suse.cz>
11584 * cgraph.c: Include tree-flow.h
11585 (cgraph_add_new-function): Handle IPA_SSA mode; execute
11586 early_local_passes.
11587 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
11588 * tree-pass.h (pass_all_early_optimizations): Declare.
11589 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
11590 early_local_passes.
11591 (cgraph_analyze_function): Do early_local_passes.
11592 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
11593 Do not add referenced vars.
11594 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
11596 (gate_all_early_local_passes): New gate.
11597 (pass_early_local_passes): Use new gate.
11598 (execute_early_local_optimizations): New functions.
11599 (gate_all_early_optimizations): New gate.
11600 (pass_all_early_optimizations): New pass.
11601 (execute_free_datastructures): Free SSA only when initialized.
11602 (gate_init_datastructures): Init only when optimizing.
11603 (tree_lowering_passes): Do early local passes when called late.
11604 * tree-profile.c (do_tree_profiling): Don't profile functions added
11606 (do_early_tree_profiling, pass_early_tree_profile): Kill.
11607 * tree-cfg.c (update_modified_stmts): Do not update when operands are
11609 * passes.c (init_optimizations_passes): Reorder so we go into SSA
11610 during early_local_passes.
11611 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
11614 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
11616 * Makefile.in: Update copyright year.
11618 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
11620 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
11621 in $(lang_checks) and check-consistency targets.
11623 2007-01-02 Jan Hubicka <jh@suse.cz>
11625 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
11626 Do not add referenced vars.
11627 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
11629 * passes.c (init_optimization_passes): Put mudflap_2 after
11630 free_datastructures.
11632 2007-01-02 Jan Hubicka <jh@suse.cz>
11634 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
11635 Set NOTHROW flag on call statements proved to be nothrow.
11636 Update statement of local calls so new pure/const functions are
11637 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
11639 (tree_rest_of_compilation): Register hooks and initialize bitmap
11640 early. Do not set after_inlining flag.
11642 2007-01-02 Steve Ellcey <sje@cup.hp.com>
11644 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
11645 HOST_BITS_PER_LONGLONG
11647 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11650 * c-typeck.c (store_init_value): Don't emit pedantic overflow
11651 warning for non-static initializers.
11653 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
11655 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
11656 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
11657 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
11658 Always use set_unique_reg_note to add REG_EQUAL notes.
11660 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
11663 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
11665 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11666 * cfgbuild.c (find_basic_blocks): Likewise.
11667 * cfgrtl.c (rtl_create_basic_block): Likewise.
11668 * function.c (temp_slots_at_level): Likewise.
11669 * reg-stack.c (stack_regs_mentioned): Likewise.
11670 * regclass.c (allocate_reg_info): Likewise.
11671 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11672 set_bb_for_stmt, move_block_to_fn): Likewise.
11673 * tree-complex.c (tree_lower_complex): Likewise.
11674 * vec.h (VEC_safe_grow_cleared): New.
11676 2007-01-02 Ian Lance Taylor <iant@google.com>
11678 * c-common.c (c_common_truthvalue_conversion): When warning about
11679 using an assignment as a truth value, set TREE_NO_WARNING.
11681 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11684 * c.opt (Wold-style-declaration): New.
11685 * doc/invoke.texi (C-only Warning Options): New.
11686 (Wold-style-declaration): Document it.
11687 (Wextra): Enabled by -Wextra.
11688 * c-opts.c (c_common_post_options): Enabled by -Wextra.
11689 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
11690 -Wold-style-declaration.
11692 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
11694 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11695 * cfgbuild.c (find_basic_blocks): Likewise.
11696 * cfgrtl.c (rtl_create_basic_block): Likewise.
11697 * function.c (temp_slots_at_level): Likewise.
11698 * reg-stack.c (stack_regs_mentioned): Likewise.
11699 * regclass.c (allocate_reg_info): Likewise.
11700 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11701 set_bb_for_stmt, move_block_to_fn): Likewise.
11702 * tree-complex.c (tree_lower_complex): Likewise.
11703 * vec.h (VEC_safe_grow_cleared): New.
11705 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
11707 * c-common.c (c_common_nodes_and_builtins): Since variants of
11708 void_type_node get built before it is given a name, we need to
11709 give those variants the name, too.
11710 (complete_array_type): We need to work with the canonical main
11711 type of the array, from which we will build the qualified version.
11712 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
11713 * print-tree.c (print_node): Display canonical type information
11715 * stor-layout.c (layout_type): When we don't know the
11716 alignment of a type for which we're building an array, we end up
11717 guessing wrong, so make the type require structural equality.
11718 * tree.c (make_node_stat): When we build a new type, it is its
11719 own canonical type.
11720 (build_type_attribute_qual_variant): When building an attribute
11721 variant, its canonical type is the non-attribute variant. However,
11722 if the attributes are target-dependent and they differ, we need to
11723 use structural equality checks for this type.
11724 (build_qualified_type): A qualified type is not equivalent to its
11725 unqualified variant; set the canonical type appropriately.
11726 (build_distinct_type_copy): When building a distinct type from
11727 another type, the new type is its own canonical type.
11728 (build_variant_type_copy): When building a new type variant, we
11729 assume that it is equivalent to the original type.
11730 (build_pointer_type_for_mode): When building a pointer type, also
11731 build a canonical type pointer.
11732 (build_reference_type_for_mode): When building a reference type,
11733 also build a canonical type reference.
11734 (build_index_type): When we can't hash an index type (e.g.,
11735 because its maximum value is negative), the index type requires
11736 structural equality tests.
11737 (build_array_type): Build the canonical form of an array type.
11738 (build_function_type): Function types require structural equality,
11739 because they contain default arguments, attributes, etc.
11740 (build_method_type_directly): Ditto for method types.
11741 (build_offset_type): Build the canonical offset type.
11742 (build_complex_type): Build the canonical vector type.
11743 (make_vector_type): Build the canonical vector type.
11744 * tree.h (TYPE_CANONICAL): New.
11745 (TYPE_STRUCTURAL_EQUALITY_P): New.
11746 (SET_TYPE_STRUCTURAL_EQUALITY): New.
11747 (struct tree_type): Added "canonical" field.
11748 * params.h (VERIFY_CANONICAL_TYPES): New.
11749 * doc/c-tree.texi (TYPE_CANONICAL): Document.
11750 (TYPE_STRUCTURAL_EQUALITY_P): Document.
11751 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
11752 * doc/invoke.texi (verify-canonical-types): Document --param
11753 parameter for verifying canonical types.
11755 2007-01-02 Joseph Myers <joseph@codesourcery.com>
11757 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
11758 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
11759 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
11760 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
11762 * config/rs6000/e500.h: New.
11763 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
11764 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
11766 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
11767 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
11768 TARGET_E500_DOUBLE): Remove.
11769 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
11770 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
11771 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
11772 * config/rs6000/rs6000.c (rs6000_override_options): Use
11773 CHECK_E500_OPTIONS.
11775 2007-01-02 Joseph Myers <joseph@codesourcery.com>
11777 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
11778 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
11779 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
11780 rs6000_emit_cmove): Don't check TARGET_E500.
11781 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
11782 sordered): Don't check TARGET_E500.
11784 2007-01-01 Eric Christopher <echristo@apple.com>
11786 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
11787 HARD_REGISTER_NUM_P.
11789 2007-01-01 Roger Sayle <roger@eyesopen.com>
11791 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
11792 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
11793 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
11796 2007-01-01 Mike Stump <mrs@apple.com>
11798 * configure.ac: Remove support for building with Apple's gcc-3.1.
11800 2007-01-02 Joseph Myers <joseph@codesourcery.com>
11802 PR middle-end/30311
11803 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
11804 REG is a hard register. Do not modify REG before calling
11806 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
11807 multiple of the size of YMODE for certain lowpart cases.
11809 2007-01-01 Andrew Pinski <pinskia@gmail.com>
11811 PR middle-end/30253
11812 * gimplify (voidify_wrapper_expr): Update for
11813 GIMPLE_MODIFY_STMT.
11815 2007-01-01 Andreas Schwab <schwab@suse.de>
11818 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
11819 save of BR0 in extra_spill_size instead of spill_size.
11820 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
11822 (ia64_expand_epilogue): Restore BR0 from its new location.
11824 2007-01-01 Andrew Pinski <pinskia@gmail.com>
11826 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
11827 Use a temporary variable if the left hand side is not a gimple
11830 2007-01-01 Andrew Pinski <pinskia@gmail.com>
11832 * gimplify.c (gimplify_return_expr): Make the temporary variable
11833 for the return expression, a gimple register variable.
11835 2007-01-01 Jan Hubicka <jh@suse.cz>
11837 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
11840 2007-01-01 Mike Stump <mrs@apple.com>
11842 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
11844 * config/darwin.c (machopic_select_rtx_section): Use
11845 HAVE_GAS_LITERAL16.
11846 (darwin_mergeable_constant_section): Likewise.
11847 * configure: Regenerate.
11848 * config.in: Regenerate.
11850 2007-01-01 Jan Hubicka <jh@suse.cz>
11851 Andrew Pinski <pinskia@gmail.com>
11853 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
11854 before starting IPA passes.