1 2007-04-24 Ian Lance Taylor <iant@google.com>
3 PR tree-optimization/31605
4 * tree-vrp.c (set_value_range): Check that min and max are not
5 both overflow infinities.
6 (set_value_range_to_value): New static function.
7 (extract_range_from_binary_expr): Call set_value_range_to_value.
8 (extract_range_from_cond_expr): Likewise.
9 (extract_range_from_expr): Likewise.
10 (extract_range_from_unary_expr): Likewise. Don't create a range
11 which overflows on both sides.
12 (vrp_meet): Check for a useless range.
13 (vrp_visit_phi_node): If we see a constant which looks like an
14 overflow infinity, turn off the TREE_OVERFLOW flag.
16 2007-04-24 Ian Lance Taylor <iant@google.com>
18 * flow.c (elim_reg_cond): Handle a comparison of a subreg.
20 2007-04-24 Simon Martin <simartin@users.sourceforge.net>
23 * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
24 diagnostic message is being built.
25 * tree-pretty-print.c (dump_generic_node): Only write the
26 formatted text into BUFFER's stream if we are not building a
28 * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
30 * Makefile.in (toplev.o): Depend on tree-pass.h.
32 2007-04-24 Ian Lance Taylor <iant@google.com>
34 PR tree-optimization/31602
35 * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
36 conditionals in the copied loop header.
37 * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
38 warnings if TREE_NO_WARNING is set.
39 * doc/invoke.texi (Warning Options): Clarify that
40 -Wstrict-overflow does not warn about loops.
42 2007-04-24 Janis Johnson <janis187@us.ibm.com>
44 * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
45 expand on the comment about _Decimal128 arguments and check the
46 integer result of the modulus operation; for 64-bit ELF ABI, ensure
47 that _Decimal128 argument uses even/odd register pair.
48 (function_arg): Ditto.
50 2007-04-24 Hui-May Chang <hm.chang@apple.com>
52 * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
53 instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
55 2007-04-24 Richard Guenther <rguenther@suse.de>
56 Olga Golovanevsky <olga@il.ibm.com>
58 * fold-const.c (multiple_of_p): Check for bottom
61 2007-04-24 Richard Henderson <rth@redhat.com>
63 * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
64 IS_IBM_EXTENDED. Also define in terms of WIDEST_HARDWARE_FP_SIZE.
65 * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
66 looking for non-zero bits shifted out. Avoid a recursive call
67 when constructing the scalar.
68 (__floatundisf): Likewise.
70 2007-04-24 Nathan Froyd <froydnj@codesourcery.com>
72 * dwarf2out.c (field_byte_offset): Move the existing logic
73 under the control of PCC_BITFIELD_TYPE_MATTERS and just use
74 the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
76 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
79 * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
80 argument of 0 for memset.
81 (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
82 unsigned shift instead of the signed variant.
84 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
86 * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
87 "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
88 "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
89 "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
90 "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
91 "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
92 "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
93 "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
94 "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
95 ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
96 "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
97 "mul<mode>3", "div<mode>3"): Insn definitions added.
98 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
99 "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
100 to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
101 ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
102 "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
103 "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
104 ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
105 * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
106 TARGET_FLOAT_FORMAT): Macro definitions removed.
107 (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
108 * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
109 z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
110 (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
111 (s390_gen_rtx_const_DI): Function removed.
112 * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
114 2007-04-24 Richard Sandiford <richard@codesourcery.com>
116 * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
117 over an external ffs function.
119 2007-04-24 Chao-ying Fu <fu@mips.com>
120 Richard Sandiford <richard@nildram.co.uk>
122 * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
123 * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
124 (smadd_widen_optab, umadd_widen_optab): Define.
125 * optabs.c (init_optabs): Initialize smadd_widen_optab and
127 * genopinit.c (optabs): Fill in smadd_widen_optab and
129 * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
130 and umadd_widen_optab to implement multiply-add sequences.
131 * config/mips/mips.md (*<su>mul_acc_di): Rename to...
132 (<u>maddsidi4): ...this. Extend condition to include
133 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
134 of operand 0 to "ka" and use the three-operand form of madd<u>
136 * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
138 * config/mips/constraints.md (ka): New register constraint.
140 2007-04-24 Jan Hubicka <j@suse.cz>
144 2007-04-23 Jan Hubicka <jh@suse.cz>
145 * function.c (init_function_start): Don't init line number info.
146 (expand_function_end): Update.
147 (reset_block_changes, record_block_change, finalize_block_changes,
148 check_block_change, free_block_changes): Kill.
149 * function.h (reset_block_changes, record_block_change,
150 finalize_block_changes, check_block_change, free_block_changes): Remove
152 (struct function): Remove ib_boundaries_block.
153 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
154 Use curr_insn_locator to initialize locator.
155 (emit_line_note): Remove.
156 * cfgexpand.c (expand_gimple_cond_expr): Update.
157 (construct_exit_block): Likewise.
158 (tree_expand_cfg): Initialize/finalize locators.
159 * expr.c (expand_expr_real): Update.
160 * cfglayout.c (line_locators_locs, line_locators_lines,
161 file_locators_locs, file_locators_files): Remove.
162 (set_block_levels): Move to cfgexpand.c.
163 (insn_locators_initialize): Remove.
164 (pass_insn_locators_initialize): Remove.
165 (locations_locators_locs, locations_locators_vals): New static vars.
166 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
168 (insn_locators_alloc, insn_locators_finalize,
169 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
171 (locator_location): New.
172 (locator_line, locator_file): Rewrite.
173 * rtl.h (emit_line_note): Kill.
174 (insn_locators_alloc, insn_locators_finalize,
175 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
177 * tree-inline.c (initialize_cfun): Do not initialize
179 * passes.c (pass_insn_locators_initialize): Remove.
181 2007-04-24 Daniel Franke <franke.daniel@gmail.com>
183 * doc/invoke.texi: Removed leading '-' from option index entries.
185 2007-04-23 Zdenek Dvorak <dvorakz@suse.cz>
187 * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
189 (create_phi_node): Use set_phi_nodes.
190 * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
191 * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
192 (combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
193 * tree-flow-inline.h (phi_nodes, set_phi_nodes,
194 (bsi_start, bsi_last): Use bb_stmt_list.
195 (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
196 * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
197 Traverse the statements using tsi iterator.
198 * basic-block.h (struct basic_block_def): Fields stmt_list
199 and phi_nodes moved to ...
200 (struct tree_bb_info): ... new structure.
201 * tree-cfg.c (create_bb): Allocate il.tree. Use set_bb_stmt_list.
202 (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
203 (remove_bb): Handle blocks with NULL stmt list. Clear il.tree field.
204 (tree_verify_flow_info): Verify that il.tree is not set for
205 entry and exit block.
206 (tree_split_block): Use set_bb_stmt_list.
208 2007-04-23 Mike Stump <mrs@apple.com>
210 * config/i386/i386.c (ix86_tune_features
211 [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
214 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
216 * config/i386/i386.md (prefix_extra): New attribute.
217 (length): Add prefix_extra.
219 * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
220 (sse2_movntv2di): Likewise.
221 (sse2_cvtps2dq): Likewise.
222 (sse2_cvtpd2pi): Likewise.
223 (sse2_cvttpd2pi): Likewise.
224 (*sse2_cvtpd2ps): Likewise.
225 (*add<mode>3): Likewise.
226 (sse2_ssadd<mode>3): Likewise.
227 (sse2_usadd<mode>3): Likewise.
228 (*sub<mode>3): Likewise.
229 (sse2_sssub<mode>3): Likewise.
230 (sse2_ussub<mode>3): Likewise.
231 (*mulv8hi3): Likewise.
232 (*smulv8hi3_highpart): Likewise.
233 (*umulv8hi3_highpart): Likewise.
234 (sse2_umulv2siv2di3): Likewise.
235 (sse2_pmaddwd): Likewise.
236 (ashr<mode>3): Likewise.
237 (lshr<mode>3): Likewise.
238 (ashl<mode>3): Likewise.
239 (sse2_ashlti3): Likewise.
240 (sse2_lshrti3): Likewise.
241 (*umaxv16qi3): Likewise.
242 (*smaxv8hi3): Likewise.
243 (*uminv16qi3): Likewise.
244 (*sminv8hi3): Likewise.
245 (sse2_eq<mode>3): Likewise.
246 (sse2_gt<mode>3): Likewise.
247 (*and<mode>3): Likewise.
248 (sse2_nand<mode>3): Likewise.
249 (*ior<mode>3): Likewise.
250 (*xor<mode>3): Likewise.
251 (sse2_packsswb): Likewise.
252 (sse2_packssdw): Likewise.
253 (sse2_packuswb): Likewise.
254 (sse2_punpckhbw): Likewise.
255 (sse2_punpcklbw): Likewise.
256 (sse2_punpckhwd): Likewise.
257 (sse2_punpcklwd): Likewise.
258 (sse2_punpckhdq): Likewise.
259 (sse2_punpckldq): Likewise.
260 (sse2_punpckhqdq): Likewise.
261 (sse2_punpcklqdq): Likewise.
262 (*sse2_pinsrw): Likewise.
263 (*sse2_pextrw): Likewise.
264 (sse2_pshufd_1): Likewise.
265 (sse2_uavgv16qi3): Likewise.
266 (sse2_uavgv8hi3): Likewise.
267 (sse2_psadbw): Likewise.
268 (sse2_pmovmskb): Likewise.
269 (*sse2_maskmovdqu): Likewise.
270 (*sse2_maskmovdqu_rex64): Likewise.
271 (sse4a_extrqi): Likewise.
272 (sse4a_extrq): Likewise.
273 (sse3_lddqu): Set prefix_rep.
274 (sse3_addsubv4sf3): Likewise.
275 (sse3_haddv4sf3): Likewise.
276 (sse3_hsubv4sf3): Likewise.
277 (sse_cvtss2si): Likewise.
278 (sse_cvtss2si_2): Likewise.
279 (sse_cvtss2siq): Likewise.
280 (sse_cvtss2siq_2): Likewise.
281 (sse_cvttss2si): Likewise.
282 (sse_cvttss2siq): Likewise.
283 (sse2_cvttps2dq): Likewise.
284 (sse3_movshdup): Likewise.
285 (sse3_movsldup): Likewise.
286 (sse2_cvtsd2si): Likewise.
287 (sse2_cvtsd2si_2): Likewise.
288 (sse2_cvtsd2siq): Likewise.
289 (sse2_cvtsd2siq_2): Likewise.
290 (sse2_cvttsd2si): Likewise.
291 (sse2_cvttsd2siq): Likewise.
292 (*sse2_cvtpd2dq): Likewise.
293 (*sse2_cvttpd2dq): Likewise.
294 (sse2_pshuflw_1): Likewise.
295 (sse2_pshufhw_1): Likewise.
296 (sse4a_insertqi): Likewise.
297 (sse4a_insertq): Likewise.
298 (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
299 (ssse3_phadddv4si3): Likewise.
300 (ssse3_phaddswv8hi3): Likewise.
301 (ssse3_phsubwv8hi3): Likewise.
302 (ssse3_phsubdv4si3): Likewise.
303 (ssse3_phsubswv8hi3): Likewise.
304 (ssse3_pmaddubswv8hi3): Likewise.
305 (ssse3_pmulhrswv8hi3): Likewise.
306 (ssse3_pshufbv16qi3): Likewise.
307 (ssse3_psign<mode>3): Likewise.
308 (ssse3_palignrti): Likewise.
309 (abs<mode>2): Likewise.
310 (ssse3_phaddwv4hi3): Set prefix_extra.
311 (ssse3_phadddv2si3): Likewise.
312 (ssse3_phaddswv4hi3): Likewise.
313 (ssse3_phsubwv4hi3): Likewise.
314 (ssse3_phsubdv2si3): Likewise.
315 (ssse3_phsubswv4hi3): Likewise.
316 (ssse3_pmaddubswv4hi3): Likewise.
317 (ssse3_pmulhrswv4hi3): Likewise.
318 (ssse3_pshufbv8qi3): Likewise.
319 (ssse3_psign<mode>3): Likewise.
320 (ssse3_palignrdi): Likewise.
321 (abs<mode>2): Likewise.
322 (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
323 (*vec_dupv2df): Set mode to V2DF instead of V4SF.
324 (sse2_pmovmskb): Set mode to SI instead of V2DF.
326 2007-04-23 Nick Clifton <nickc@redhat.com>
328 * params.def: Fix formatting of emacs local variables.
330 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
332 * config/i386/sse.md (sse2_stored): Don't split to inter-unit
333 move if inter-unit move isn't allowed.
334 Don't split moving the first element of V2DI to DI to inter-unit
335 move if inter-unit move isn't allowed.
337 2007-04-23 Richard Guenther <rguenther@suse.de>
339 * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
340 and CDI_POST_DOMINATORS separately.
342 2007-04-23 Nick Clifton <nickc@redhat.com>
344 * c.opt (Wformat-contains-nul): Add warning attribute.
346 2007-04-23 Jan Hubicka <jh@suse.cz>
348 * function.c (init_function_start): Don't init line number info.
349 (expand_function_end): Update.
350 (reset_block_changes, record_block_change, finalize_block_changes,
351 check_block_change, free_block_changes): Kill.
352 * function.h (reset_block_changes, record_block_change,
353 finalize_block_changes, check_block_change, free_block_changes): Remove
355 (struct function): Remove ib_boundaries_block.
356 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
357 Use curr_insn_locator to initialize locator.
358 (emit_line_note): Remove.
359 * cfgexpand.c (expand_gimple_cond_expr): Update.
360 (construct_exit_block): Likewise.
361 (tree_expand_cfg): Initialize/finalize locators.
362 * expr.c (expand_expr_real): Update.
363 * cfglayout.c (line_locators_locs, line_locators_lines,
364 file_locators_locs, file_locators_files): Remove.
365 (set_block_levels): Move to cfgexpand.c.
366 (insn_locators_initialize): Remove.
367 (pass_insn_locators_initialize): Remove.
368 (locations_locators_locs, locations_locators_vals): New static vars.
369 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
371 (insn_locators_alloc, insn_locators_finalize,
372 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
374 (locator_location): New.
375 (locator_line, locator_file): Rewrite.
376 * rtl.h (emit_line_note): Kill.
377 (insn_locators_alloc, insn_locators_finalize,
378 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
380 * tree-inline.c (initialize_cfun): Do not initialize
382 * passes.c (pass_insn_locators_initialize): Remove.
384 2007-04-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
387 * expr.c (reduce_to_bit_field_precision): Handle
390 2007-04-22 Uros Bizjak <ubizjak@gmail.com>
392 PR tree-optimization/24659
393 * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
394 OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
395 (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
396 * genopinit.c (optabs): Rename vec_pack_mod_optab
397 to vec_pack_trunc_optab.
398 * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
399 early for scalar floating point operands for NOP_EXPR.
400 (vectorizable_type_promotion): Ditto.
401 * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
402 vec_pack_trunc_optab.
403 (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
405 * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
406 * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
407 Rename from VEC_PACK_MOD_EXPR.
408 (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
409 * expr.c (expand_expr_real_1): Ditto.
410 * tree-inline.c (estimate_num_insns_1): Ditto.
411 * tree-vect-generic.c (expand_vector_operations_1): Ditto.
413 * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
414 (vec_unpacks_lo_v4sf): Ditto.
415 (vec_pack_trunc_v2df): Ditto.
416 (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
417 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
418 (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
420 * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
422 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
424 * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
425 Rename from VEC_PACK_MOD_EXPR. This expression also represent
426 packing of floating point operands.
427 [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
428 represent unpacking of floating point operands.
429 * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
430 [vec_unpacks_hi]: Ditto.
431 [vec_unpacks_lo]: Ditto.
433 2007-04-22 Jan Hubicka <jh@suse.cz>
435 * final.c (rest_of_handle_final): Call
436 targetm.asm_out.constructor/targetm.asm_out.destructor
437 * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
438 proper priority via decl_*_priority_insert.
439 * c-common.c (c_expand_body): Likewise.
441 2007-04-22 Richard Guenther <rguenther@suse.de>
443 PR tree-optimization/29789
444 * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
445 (rewrite_reciprocal): New helper split out from
446 determine_invariantness_stmt.
447 (rewrite_bittest): Likewise.
448 (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
449 A & (1 << B) if (1 << B) is loop invariant but (A >> B)
452 2007-04-22 Revital Eres <eres@il.ibm.com>
454 * loop-unroll.c (var_to_expand): New field to support also
455 insns of the form x = something + x.
456 (analyze_insn_to_expand_var): Use it.
457 (expand_var_during_unrolling): Likewise.
459 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
461 * predict.c: Include pointer-set.h.
462 (bb_predictions): New variable.
463 (tree_predicted_by_p, tree_predict_edge,
464 remove_predictions_associated_with_edge): Use bb_predictions map
465 instead of bb->predictions.
466 (clear_bb_predictions, assert_is_empty): New functions.
467 (combine_predictions_for_bb): Use bb_predictions map. Call
468 clear_bb_predictions.
469 (tree_estimate_probability): Create and free bb_predictions map.
470 * Makefile.in (predict.o): Add pointer-set.h dependency.
471 * basic-block.h (struct basic_block_def): Remove predictions
473 * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
475 2007-04-21 Kaz Kojima <kkojima@gcc.gnu.org>
478 * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
481 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
483 * timevar.c (timevar_print): Change reference of --disable-checking to
484 --enable-checking=release. Also warn if assert checking is disabled.
486 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
489 * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
490 decl as addressable if the compound literal was marked as
492 Mark the decl as a gimple register if it is a complex or
493 vector decl and does not live in memory.
495 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
497 * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
498 (GENERIC_NEXT): New function macro.
499 (PHI_CHAIN): Use phi_node's new chain variable.
500 (tree_phi_node): Change tree_common to tree_base
501 and add the chain field.
502 * tree-phinodes.c (make_phi_node): Don't set
503 TREE_TYPE on the new node.
504 * c-decl.c (lang_tree_node): Use GENERIC_NEXT
505 instead of checking GIMPLE_TUPLE_P in chain_next.
506 * tree-vect-transform.c
507 (get_initial_def_for_induction): Look at
508 PHI_RESULT_TREE for the type of the phi node.
509 (update_vuses_to_preheader): Use PHI_CHAIN
510 instead of TREE_CHAIN on the phi node.
511 * tree-ssa-structalias.c (compute_points_to_sets):
513 (ipa_pta_execute): Likewise.
515 2007-04-21 Richard Guenther <rguenther@suse.de>
518 * fold-const.c (fold_unary): Call fold_convert_const on the
521 2007-04-21 Alexandre Oliva <aoliva@redhat.com>
523 * gcse.c (store_killed_in_insn): Handle PARALLELs.
524 (store_killed_in_pat): New.
526 2007-04-20 Richard Henderson <rth@redhat.com>
529 * config/i386/i386.c (type_has_variadic_args_p): Look for any
530 TREE_LIST with a void_type_node value, not void_list_node exactly.
532 2007-04-21 Douglas Gregor <doug.gregor@gmail.com>
534 * doc/standards.texi: Re-arrange into language-specific
535 subsections. Add a C++ section, documenting which standards we
538 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
540 * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
541 * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
543 2007-04-20 Daniel Jacobowitz <dan@codesourcery.com>
545 * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
546 ecrti.o and crtbegin.o.
547 (LIB_DEFAULT_SPEC): Include -lc.
548 (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
550 2007-04-20 Richard Henderson <rth@redhat.com>
553 * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
554 argument; update all callers.
555 (get_unaligned_offset): New.
556 * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
557 get_unaligned_address, just pass on the address directly.
558 (unaligned_extendqidi): Use gen_lowpart instead of open-coding
559 the subreg in the helper patterns.
560 (unaligned_extendqidi_le): Use get_unaligned_offset.
561 (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
562 (unaligned_extendhidi_be): Likewise.
563 (unaligned_extendhidi): Tidy.
564 * config/alpha/alpha-protos.h: Update.
566 2007-04-20 Richard Henderson <rth@redhat.com>
568 * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
569 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
570 * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
571 * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
572 * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
573 (CPP_SPEC): Don't include %(cpp_subtarget).
574 * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
575 (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
576 * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
578 2007-04-20 Jakub Jelinek <jakub@redhat.com>
580 * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
581 for __builtin_ia32_cmpordss.
583 PR tree-optimization/31632
584 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
585 and arg1 for optimizations of comparison against min/max values.
586 Fold arg0 to arg1's type for optimizations of comparison against
587 min+1 and max-1 values.
589 2007-04-19 Bernd Schmidt <bernd.schmidt@analog.com>
591 * reload.c (combine_reloads): When trying to use a dying register,
592 check whether it's uninitialized and don't use if so.
594 2007-04-19 Brooks Moses <brooks.moses@codesourcery.com>
596 * fold-const.c: Remove prototypes for native_encode_expr and
597 native_interpret_expr.
598 (native_encode_expr): Make non-static.
599 (native_interpret_expr): Likewise.
600 * tree.h: Add prototypes for the above.
602 2007-04-19 Joseph Myers <joseph@codesourcery.com>
604 * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
605 *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
606 *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
607 spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
608 tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
609 Add length attributes.
611 2007-04-19 Janis Johnson <janis187@us.ibm.com>
613 * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
616 * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
617 __STDC_WANT_DEC_FP__.
619 2007-04-19 Joseph Myers <joseph@codesourcery.com>
621 * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
622 for long double compatibility.
623 * configure: Regenerate.
625 2007-04-19 Eric Botcazou <ebotcazou@libertysurf.fr>
627 PR rtl-optimization/29841
628 * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
630 * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
631 that may cause control flow transfer from being moved.
633 2007-04-18 Jan Hubicka <jh@suse.cz>
635 * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
638 2007-04-18 Eric Christopher <echristo@apple.com>
640 * config/rs6000/darwin.md (load_macho_picbase): Use link register
641 only. Update operands.
642 * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
643 * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
644 link register to pic register.
646 2007-04-18 Dirk Mueller <dmueller@suse.de>
649 * tree-vrp.c (search_for_addr_array): New.
650 (check_array_bounds): Suppress warning about
651 address taken of array refs if its not de-referenced.
653 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
655 * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
656 * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
658 * tree-vectorizer.h (NITERS_KNOWN_P): New.
659 * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
660 instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
662 * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
664 (vect_analyze_operations): Fix indenetation. Fix a comment. Fix a
666 (vect_analyze_scalar_cycles): Fix indentation.
667 (vect_enhance_data_refs_alignment): Fix check in case of peeling.
668 (vect_mark_relevant): Include phis in relevance analysis.
670 * tree-vect-transform.c (vect_transform_loop): Add an assert.
672 2007-04-18 Anatoly Sokolov <aesok@post.ru>
674 * config/avr/avr.c (ptrreg_to_str): Replace error() with
675 output_operand_lossage().
677 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
679 * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
680 the unused code for reduction without adjust-in-epilog to simplify the
683 2007-04-18 Wolfgang Gellerich <gellerich@de.ibm.com>
685 * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
686 (S390_TDC_NEGATIVE_ZERO): New constant.
687 (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
688 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
689 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
690 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
691 (S390_TDC_POSITIVE_INFINITY): New constant.
692 (S390_TDC_NEGATIVE_INFINITY): New constant.
693 (S390_TDC_POSITIVE_QUIET_NAN): New constant.
694 (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
695 (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
696 (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
697 (S390_TDC_INFINITY): New constant.
698 * config/s390/s390.c (s390_canonicalize_comparison): Renamed
699 UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
700 optimization for UNSPEC_CCZ_TO_INT.
701 * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
702 ("*ccz_to_int"): New insn.
703 ("isinf<mode>2"): New insn.
704 (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
705 (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
706 (UNSPEC_CCZ_TO_INT): New constant.
708 2007-04-18 Richard Guenther <rguenther@suse.de>
710 PR tree-optimization/19431
711 PR tree-optimization/21463
712 * tree-pass.h (pass_phiprop): Declare.
713 * passes.c (init_optimization_passes): New phiprop pass.
714 * tree-ssa-forwprop.c (struct phiprop_d): New structure.
715 (phivn_valid_p): New helper function.
716 (phiprop_insert_phi): Likewise.
717 (propagate_with_phi): Likewise.
718 (tree_ssa_phiprop): New propagator propagating loads
719 through phi nodes if profitable.
721 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
723 * tree-vect-analyze.c (process_use): New function.
724 (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
725 Check phis in all bbs.
726 * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
729 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
731 * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
734 2007-04-17 Anatoly Sokolov <aesok@post.ru>
737 * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
740 2007-04-17 H.J. Lu <hongjiu.lu@intel.com>
742 * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
744 (sse_vmmulv4sf3): Likewise.
745 (sse2_vmaddv2df3): Likewise.
746 (sse2_vmmulv2df3): Likewise.
748 2007-04-17 Zdenek Dvorak <dvorakz@suse.cz>
750 PR rtl-optimization/31360
751 * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
752 (target_reg_cost): New.
753 (init_set_costs): Initialize target_reg_cost. Add comments
754 regarding the rationale of the costs.
755 (global_cost_for_size): Renamed to...
756 (estimate_reg_pressure_cost): ... and simplify. Decrease importance
757 of register pressure.
758 * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
759 estimate_reg_pressure_cost. Add number of ivs.
760 (determine_set_costs): Dump target_reg_cost.
761 * loop-invariant.c (gain_for_invariant): Use
762 estimate_reg_pressure_cost. Removed n_inv_uses argument.
763 (best_gain_for_invariant, find_invariants_to_move): Remove
765 * cfgloop.h (target_small_cost, target_pres_cost): Removed.
766 (target_reg_cost): Declare.
767 (global_cost_for_size): Declaration removed.
768 (estimate_reg_pressure_cost): Declare.
770 2007-04-17 Peter Bergner <bergner@vnet.ibm.com>
772 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
773 regnos into even/odd register pairs.
774 * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
775 TDmode similar to the other floating point modes.
776 [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
777 * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
779 (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
780 nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
781 (movdd_hardfloat64): Use TARGET_MFPGPR.
783 2007-04-17 Bernd Schmidt <bernd.schmidt@analog.com>
785 * reload1.c (delete_output_reload): Don't count output in n_inherited.
788 2005-01-05 Richard Henderson <rth@redhat.com>
790 * reload1.c (do_input_reload): Restrict the optimization deleteing
791 a previous output reload to RELOAD_FOR_INPUT.
793 2007-04-17 Dorit Nuzman <dorit@il.ibm.com>
795 * tree-vectorizer.h (stmt_vec_info_type): Add enum value
797 (vectorizable_induction): New function declaration.
798 * tree-vect-transform.c (get_initial_def_for_induction): No need to
799 check if already vectorized. Find first place in BB where new stmts
800 can be inserted. Takes only one argument.
801 (vectorizable_induction): New function.
802 (vect_transform_stmt): Add case for induc_vec_info_type to call
803 vectorizable_induction.
804 (vect_transform_loop): Consider phis for vectorization.
805 * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
807 (analyze_operations): Call vectorizable_induction when analyzing phis.
809 (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
810 (vect_mark_relevant): Include phis in relevance analysis.
811 (vect_mark_stmts_to_be_vectorize): Likewise.
812 * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
814 2007-04-16 Lawrence Crowl <crowl@google.com>
816 * doc/invoke.texi (Debugging Options): Add documentation for the
817 -femit-struct-debug options -femit-struct-debug-baseonly,
818 -femit-struct-debug-reduced, and
819 -femit-struct-debug-detailed[=...].
821 * c-opts.c (c_common_handle_option): Add
822 OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
823 and OPT_femit_struct_debug_detailed_.
824 * c.opt: Add specifications for
825 -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
826 and -femit-struct-debug-detailed[=...].
827 * opts.c (set_struct_debug_option): Parse the
828 -femit-struct-debug-... options.
829 * opts.c (matches_main_base, main_input_basename,
830 main_input_baselength, base_of_path, matches_main_base): Add
831 variables and functions to compare header base name to compilation
833 * opts.c (should_emit_struct_debug): Add to determine to emit a
834 structure based on the option.
835 (dump_struct_debug) Also disabled function to debug this
837 * opts.c (handle_options): Save the base name of the
840 * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
841 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
842 This hook indicates if a type is generic. Set it by default
844 * langhooks.h (struct lang_hooks_for_types): Add a new hook
845 to determine if a struct type is generic or not.
846 * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
847 * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
848 * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
851 * flags.h (enum debug_info_usage): Add an enumeration to describe
852 a program's use of a structure type.
853 * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
854 to indicate the program's usage of the type. Filter structs based
855 on the -femit-struct-debug-... specification.
856 (gen_type_die): Split into two routines, gen_type_die and
857 gen_type_die_with_usage. gen_type_die is now a wrapper
858 that assumes direct usage.
859 (gen_type_die_with_usage): Replace calls to gen_type_die
860 with gen_type_die_with_usage adding the program usage of
862 (dwarf2out_imported_module_or_decl): Suppress struct debug
863 information using should_emit_struct_debug when appropriate.
865 2007-04-16 Ian Lance Taylor <iant@google.com>
867 PR tree-optimization/31522
868 * tree-vrp.c (vr_phi_edge_counts): New static variable.
869 (vrp_initialize): Allocate vr_phi_edge_counts.
870 (vrp_visit_phi_node): Don't push to infinity if we saw a new
871 executable edge. Drop test for all constants.
872 (vrp_finalize): Free vrp_phi_edge_counts.
874 * doc/cpp.texi (Common Predefined Macros): Clarify description of
875 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
877 * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
878 predecessors at head rather than tail.
880 2007-04-16 Matthias Klose <doko@debian.org>
882 * config/alpha/linux.h (CPP_SPEC): Define.
883 * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
885 2007-04-16 Aldy Hernandez <aldyh@redhat.com>
887 * function.h: Remove sequence_stack extern declaration.
889 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
891 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
893 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
896 2007-04-16 Anatoly Sokolov <aesok@post.ru>
898 * config/avr/avr.c (avr_arch_types): Rearranging array.
899 (enum avr_arch): Add.
900 (avr_mcu_types): Use avr_arch enumeration constants instead of
902 * config/avr/avr.h (LINK_SPEC): Simplify.
904 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
906 * config/m68k/m68k.c (m68k_libcall_value,
907 m68k_function_value): Use macros for register names more.
909 * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
911 (M68K_REGNAME): Use A6_REG.
912 * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
914 2007-04-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
917 * sched-int.h (struct deps): Split field 'pending_lists_length' into
918 'pending_read_list_length' and 'pending_write_list_length'. Update
920 * sched-deps.c (add_insn_mem_dependence): Change signature. Update
921 to handle two length counters instead of one. Update all uses.
922 (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
923 two length counters instead of one.
924 * sched-rgn.c (propagate_deps): Update to handle two length counters
927 2007-04-16 H.J. Lu <hongjiu.lu@intel.com>
930 * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
931 copy of source, pass it to ix86_expand_vector_set and return
934 2007-04-16 David Ung <davidu@mips.com>
935 Joseph Myers <joseph@codesourcery.com>
937 * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
938 PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
939 * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
940 Add 74K processor information.
941 * config/mips/mips.md: Include 74k.md.
942 (cpu): Add 74kc,74kf,74kx.
943 (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
944 * config/mips/74k.md: New.
945 * doc/invoke.texi (MIPS Options): Document 74K support.
947 2007-04-16 Dorit Nuzman <dorit@il.ibm.com>
949 * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
950 vectorizable_* functions.
951 * tree-vect-transform.c (vectorizable_call): Add check for
952 STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
953 (vectorizable_store): likewise.
954 (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
956 (vectorizable_operation, vectorizable_type_demotion): Likewise.
957 (vectorizable_type_promotion, vectorizable_load): Likewise.
958 (vectorizable_live_operation, vectorizable_condition): Likewise.
959 (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
961 (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
963 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
965 * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
966 register numbers more.
967 * config/m68k/m68k.h (STACK_POINTER_REGNUM,
968 FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
969 M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
970 FUNCTION_VALUE_REGNO_P): Likewise.
971 * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
972 STATIC_CHAIN_REGNUM): Likewise.
973 * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
974 * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
975 STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
976 * config/m68k/m68k.md (FP_REG): New.
978 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
980 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
983 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
985 * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
986 tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
989 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
991 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
994 2007-04-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
997 * c-decl.c (finish_decl): Grab the type of the decl after the call
1000 2007-04-14 Steven Bosscher <steven@gcc.gnu.org>
1002 * common.opt (fforward-propagate): Fix "Optimization" annotation.
1004 2007-04-14 Jakub Jelinek <jakub@redhat.com>
1007 * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
1008 post dominators and cleanup cfg before returning.
1010 2007-04-14 Bernd Schmidt <bernd.schmidt@analog.com>
1012 * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
1013 * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
1015 2007-04-14 Kazu Hirata <kazu@codesourcery.com>
1017 * config.gcc: Recognize fido.
1018 * config/m68k/m68k-devices.def (fidoa): New.
1019 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
1021 (FL_FIDOA, TARGET_FIDOA): New.
1022 * config/m68k/m68k.opt (mfidoa): New.
1024 2007-04-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1027 * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
1028 when a personality function is used.
1030 2007-04-13 Bob Wilson <bob.wilson@acm.org>
1032 * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
1034 2007-04-13 Mike Stump <mrs@apple.com>
1036 * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
1038 * config/darwin.opt (fapple-kext): Make C++ only.
1039 * config/darwin.c (darwin_override_options): Remove code to ensure
1040 -fapple-kext is given for C++ only.
1042 2007-04-13 Richard Sandiford <richard@codesourcery.com>
1044 * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
1045 * config/mips/mips.c (override_options): Call
1046 SUBTARGET_OVERRIDE_OPTIONS, if defined.
1048 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
1050 * config/i386/i386.opt (msvr3-shlib): Removed.
1052 * doc/invoke.texi: Remove -msvr3-shlib.
1054 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
1056 * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
1057 with "popcnt" instruction.
1059 2007-04-13 Richard Guenther <rguenther@suse.de>
1061 PR tree-optimization/21258
1062 * tree-vrp.c (compare_case_labels): New helper.
1063 (find_switch_asserts): New function.
1064 (find_assert_locations): Call it for SWITCH_EXPRs.
1066 2007-04-13 Uros Bizjak <ubizjak@gmail.com>
1068 * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
1069 * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
1070 check is now implied in X87_FLOAT_MODE_P.
1071 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1072 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1073 (fix_trunc<mode>_i386_fisttp): Ditto.
1074 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1075 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1076 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1077 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1078 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1079 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1080 (unnamed_splitters): Ditto.
1081 * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
1082 for X87_FLOAT_MODE_P mode. Override FIRST_FLOAT_REG with
1083 FIRST_SSE_REG for local functions when SSE math is enabled or
1084 for functions with sseregparm attribute.
1085 (standard_80387_constant_p): Return -1 if mode is not
1087 (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
1088 (ix86_expand_compare): Ditto.
1089 (ix86_expand_carry_flag_compare): Ditto.
1090 (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
1091 of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
1092 DECIMAL_FLOAT_MODE_P.
1093 (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
1094 of SCALAR_FLOAT_MODE_P.
1095 (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
1096 [MINUS]: ... here. Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
1097 checks before FLOAT_MODE_P.
1098 [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
1099 before FLOAT_MODE_P.
1104 [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
1106 2007-04-12 Paolo Bonzini <bonzini@gnu.org>
1107 Charles Wilson <libtool@cwilson.fastmail.fm>
1109 * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
1110 (libgcc.mvars): Don't depend on them.
1111 * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
1112 * exec-tool.in: New.
1114 2007-04-12 Brooks Moses <brooks.moses@codesourcery.com>
1116 * doc/invoke.text (--help): Document --help=common.
1118 2007-04-12 Thomas Neumann <tneumann@users.sourceforge.net>
1120 * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
1122 2007-04-12 Richard Sandiford <richard@codesourcery.com>
1124 * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
1125 * genemit.c (main): Emit #include "integrate.h".
1126 * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
1127 (LOADGP_RTP): New mips_loadgp_style.
1128 * config/mips/mips.h: Include config/vxworks-dummy.h.
1129 (TARGET_RTP_PIC): New macro.
1130 (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
1131 (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
1132 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
1134 * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define. Pass down
1135 -mvxworks-pic when using -mrtp and a PIC option.
1136 * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
1138 (mips_symbolic_constant_p, mips_symbolic_address_p)
1139 (mips_symbol_insns): Handle SYMBOL_HALF.
1140 (override_options): Warn about -G and -mrtp being used together.
1141 Initialize mips_lo_relocs[SYMBOL_HALF].
1142 (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
1143 (mips_emit_loadgp): Handle LOADGP_RTP.
1144 (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
1145 * config/mips/mips.md (loadgp_rtp): New insn and splitter.
1146 (tablejump): Handle function-relative case table entries if
1148 * config/mips/predicates.md (symbol_ref_operand): New predicate.
1150 2007-04-12 Richard Sandiford <richard@codesourcery.com>
1152 * config/mips/mips.md (load_call<mode>): Allow any general register.
1154 (sibcall_value_internal, sibcall_value_multiple_internal)
1155 (call_value_internal, call_value_split, call_value_multiple_internal)
1156 (call_value_multiple_split): Remove constraints from operand 0.
1158 2007-04-12 Richard Sandiford <richard@codesourcery.com>
1160 * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
1161 rather than loadgp_noshared.
1162 * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
1163 instead of gen_loadgp_noshared. Use gen_loadgp_newabi instead of
1165 * config/mips/mips.md (loadgp): Rename to...
1166 (loadgp_newabi): ...this.
1167 (loadgp_noshared): Rename to...
1168 (loadgp_absolute): ...this.
1170 2007-04-12 Richard Sandiford <richard@codesourcery.com>
1172 * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
1173 false for locally-binding symbols.
1174 (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
1176 2007-04-12 Richard Sandiford <richard@codesourcery.com>
1178 * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
1179 (SYMBOL_GOT_PAGE_OFST): ...this.
1180 (SYMBOL_GOT_GLOBAL): Rename to...
1181 (SYMBOL_GOT_DISP): ...this.
1182 (SYMBOL_GOTOFF_GLOBAL): Rename to...
1183 (SYMBOL_GOTOFF_DISP): ...this. Update comments accordingly.
1184 * config/mips/mips.c (mips_global_symbol_p): New function.
1185 (mips_symbol_binds_local_p): Likewise.
1186 (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
1187 and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST. Use mips_global_symbol_p
1188 and mips_symbol_binds_local_p.
1189 (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
1190 (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
1191 SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
1193 (mips_ok_for_lazy_binding_p): New function.
1194 (mips_load_call_address, mips_expand_call): Use it.
1195 (mips_dangerous_for_la25_p): Likewise.
1196 * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
1197 (*got_disp<mode>): Use got_disp_operand instead of
1198 global_got_operand. Use SYMBOL_GOTOFF_DISP instead of
1199 SYMBOL_GOTOFF_GLOBAL.
1200 (*got_page<mode>): Use got_page_ofst_operand instead of
1202 * config/mips/predicates.md (const_call_insn_operand): Use
1203 SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
1204 (global_got_operand): Rename to...
1205 (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
1207 (local_got_operand): Rename to...
1208 (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
1209 of SYMBOL_GOT_LOCAL.
1211 2007-04-12 Richard Sandiford <richard@codesourcery.com>
1213 * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
1214 TARGET_CALL_CLOBBERED_GP.
1215 (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1216 (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
1217 (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
1218 (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
1219 of TARGET_ABICALLS && !TARGET_NEWABI.
1220 (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1221 * config/mips/mips.c (mips_load_call_address): Check
1222 TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1223 (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1224 Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1225 (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
1226 TARGET_ABICALLS && TARGET_NEWABI.
1227 (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
1229 (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
1230 (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
1231 TARGET_ABICALLS && TARGET_NEWABI.
1232 (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
1233 TARGET_ABICALLS. Check TARGET_CALL_SAVED_GP instead of
1234 TARGET_NEWABI. Use TARGET_USE_PIC_FN_ADDR_REG to decide
1235 whether indirect calls must use $25.
1236 (mips_extra_live_on_entry): Check TARGET_GOT instead of
1238 * config/mips/mips.md (jal_macro): Check flag_pic and
1239 TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
1240 (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
1241 instead of TARGET_ABICALLS.
1242 (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
1243 TARGET_ABICALLS && TARGET_OLDABI.
1244 (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1245 (sibcall): In the comment above the define_insn, mention
1246 TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
1247 * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
1248 instead of TARGET_ABICALLS.
1250 2007-04-12 Bernd Schmidt <bernd.schmidt@analog.com>
1252 * doc/md.texi (Blackfin family constraints): Document PA and PB.
1253 * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
1254 (MACFLAGS_MATCH_P): New macro.
1255 * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
1256 (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
1257 * config/bfin/bfin.md (MACFLAG_IS_M): New constant. Renumber some of
1258 the other MACFLAG constants.
1259 (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
1260 (flag_machi): Tighten constraints. Renumber some of the operands.
1261 (flag_machi_acconly): Tighten constraints. Correct operand numbers in
1263 (flag_machi_parts_acconly): New pattern.
1264 (flag_macinithi): Tighten constraints. Allow any accumulator to be
1266 (flag_macinit1hi): Tighten constraints.
1267 (flag_mul_macv2hi_parts_acconly): New pattern.
1269 * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
1270 Use a more efficient implementation.
1271 * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
1272 inline sequences when not optimizing for size.
1274 * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
1275 movhi_high2low): Delete, merge functionality into...
1276 (packv2hi): ... this pattern.
1278 2007-02-11 Jie Zhang <jie.zhang@analog.com>
1279 * config/bfin/bfin.opt (msim): New option.
1280 (mcpu=): New option.
1281 * config/bfin/bfin-protos.h (enum bfin_cpu): New.
1282 (bfin_cpu_t): Typedef of enum bfin_cpu.
1283 (bfin_cpu_type): New declaration.
1284 * config/bfin/elf.h (STARTFILE_SPEC): Add support for
1285 -msim and -mcpu= options.
1286 (LIB_SPEC): Likewise.
1287 * config/bfin/bfin.c (bfin_cpu_type): Define.
1288 (bfin_handle_option): Handle -mcpu= option.
1289 * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
1290 (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
1291 __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
1293 2007-04-12 Richard Sandiford <richard@codesourcery.com>
1295 * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
1296 (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
1297 (powerpc-wrs-vxworksae): Use ${tm_file}.
1298 (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
1299 after elfos.h. Remove i386/sysv4.h and add i386/vx-common.h.
1300 * config/i386/vx-common.h: New file.
1302 2007-04-12 Richard Sandiford <richard@codesourcery.com>
1304 * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
1307 2007-04-12 Andreas Krebbel <krebbel1@de.ibm.com>
1309 * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
1312 2007-04-12 Douglas Gregor <doug.gregor@gmail.com>
1316 * c-common.c (c_build_qualified_type): Set canonical type
1319 2007-04-12 Richard Guenther <rguenther@suse.de>
1321 * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
1322 lower bound and element size if lower bound is not zero
1323 or either of the ARRAY_REF operands is set.
1325 2007-04-12 Richard Guenther <rguenther@suse.de>
1327 PR tree-optimization/24689
1328 PR tree-optimization/31307
1329 * fold-const.c (operand_equal_p): Compare INTEGER_CST array
1331 * gimplify.c (canonicalize_addr_expr): To be consistent with
1332 gimplify_compound_lval only set operands two and three of
1333 ARRAY_REFs if they are not gimple_min_invariant. This makes
1334 it never at this place.
1335 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
1337 2007-04-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1339 * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
1340 null before emitting a .nsubspa directive.
1342 2007-04-11 Diego Novillo <dnovillo@redhat.com>
1344 * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
1345 need_to_partition_p if there are no memory statements in the
1348 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
1350 * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
1351 (gcd_of_steps_may_divide_p): New function.
1352 (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
1354 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
1356 * reload.c (find_reloads_toplev, find_reloads_address,
1357 find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
1358 not a pointer equality test, to decide if we need to call
1359 push_reg_equiv_alt_mem.
1361 2007-04-11 Sebastian Pop <sebastian.pop@inria.fr>
1363 * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
1364 insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
1365 (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
1367 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
1369 * tree-data-ref.c (add_multivariate_self_dist): Force the distance
1370 vector to be positive.
1372 2007-04-11 Diego Novillo <dnovillo@redhat.com>
1376 * doc/invoke.texi: Document --params max-aliased-vops and
1378 * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
1379 debug_memory_partitions): Move to tree-flow.h
1380 * params.h (AVG_ALIASED_VOPS): Define.
1381 * tree-ssa-alias.c (struct mp_info_def): Remove. Update all
1383 (mp_info_t): Likewise.
1384 (get_mem_sym_stats_for): New.
1385 (set_memory_partition): Move from tree-flow-inline.h.
1386 (mark_non_addressable): Only clear the set of symbols for the
1387 partition if it exists.
1388 (dump_memory_partitions): Move from tree-ssa-operands.c
1389 (debug_memory_partitions): Likewise.
1390 (need_to_partition_p): New.
1391 (dump_mem_ref_stats): New.
1392 (debug_mem_ref_stats): New.
1393 (dump_mem_sym_stats): New.
1394 (debug_mem_sym_stats): New.
1395 (update_mem_sym_stats_from_stmt): New.
1396 (compare_mp_info_entries): New.
1397 (mp_info_cmp): Call it.
1398 (sort_mp_info): Change argument to a list of mem_sym_stats_t
1400 (get_mpt_for): Move from tree-ssa-operands.c.
1401 (find_partition_for): New.
1402 (create_partition_for): Remove.
1403 (estimate_vop_reduction): New.
1404 (update_reference_counts): New.
1405 (build_mp_info): New.
1406 (compute_memory_partitions): Refactor.
1407 Document new heuristic.
1408 Call build_mp_info, update_reference_counts,
1409 find_partition_for and estimate_vop_reduction.
1410 (compute_may_aliases): Populate virtual operands before
1411 calling debugging dumps.
1412 (delete_mem_sym_stats): New.
1413 (delete_mem_ref_stats): New.
1414 (init_mem_ref_stats): New.
1415 (init_alias_info): Call it.
1416 (maybe_create_global_var): Remove alias_info argument.
1417 Get number of call sites and number of pure/const call sites
1418 from gimple_mem_ref_stats().
1419 (dump_alias_info): Call dump_memory_partitions first.
1420 (dump_points_to_info_for): Show how many times a pointer has
1422 * opts.c (decode_options): For -O2 set --param
1423 max-aliased-vops to 500.
1424 For -O3 set --param max-aliased-vops to 1000 and --param
1425 avg-aliased-vops to 3.
1426 * fortran/options.c (gfc_init_options): Remove assignment to
1428 * tree-flow-inline.h (gimple_mem_ref_stats): New.
1429 * tree-dfa.c (dump_variable): Dump memory reference
1431 Dump NO_ALIAS* settings.
1432 (referenced_var_lookup): Tidy.
1433 (mem_sym_stats): New.
1434 * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
1435 and ORIG are different SSA names for a memory partition.
1436 * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
1437 * tree-flow.h (struct mem_sym_stats_d): Define.
1438 (mem_sym_stats_t): Define.
1439 (struct mem_ref_stats_d): Define.
1440 (struct gimple_df): Add field mem_ref_stats.
1441 (enum noalias_state): Define.
1442 (struct var_ann_d): Add bitfield noalias_state.
1443 (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
1444 debug_mem_ref_stats, debug_memory_partitions,
1445 debug_mem_sym_stats): Declare.
1446 * tree-ssa-structalias.c (update_alias_info): Update call
1447 sites, pure/const call sites and asm sites in structure
1448 returned by gimple_mem_ref_stats.
1449 Remove local variable IS_POTENTIAL_DEREF.
1450 Increase NUM_DEREFS if the memory expression is a potential
1452 Call update_mem_sym_stats_from_stmt.
1453 If the memory references memory, call
1454 update_mem_sym_stats_from_stmt for all the direct memory
1455 symbol references found.
1456 (intra_create_variable_infos): Set noalias_state field for
1457 pointer arguments according to the value of
1458 flag_argument_noalias.
1459 * tree-ssa-structalias.h (struct alias_info): Remove fields
1460 num_calls_found and num_pure_const_calls_found.
1461 (update_mem_sym_stats_from_stmt): Declare.
1462 * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
1463 Set default value to 100.
1464 (PARAM_AVG_ALIASED_VOPS): Define.
1466 2007-04-11 Richard Guenther <rguenther@suse.de>
1469 * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
1470 a * -b + c as c - a * b if we honor sign dependent rounding.
1472 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
1474 * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
1476 * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
1477 bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
1479 (initialize_trampoline): Don't use old-style function definition.
1480 (bfin_secondary_reload): Mark IN_P argument as unused.
1482 2007-04-10 Sebastian Pop <sebastian.pop@inria.fr>
1484 PR tree-optimization/31343
1485 * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
1486 (build_polynomial_chrec): Return a scalar when the evolution is zero.
1487 * testsuite/gcc.dg/vect/pr31343.c: New.
1489 2007-04-10 Eric Christopher <echristo@apple.com>
1491 * config/i386/i386.h (X87_FLOAT_MODE_P): New.
1492 * config/i386/i386.md (*cmpfp0): Use.
1493 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1494 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1495 (fix_trunc<mode>_i386_fisttp): Ditto.
1496 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1497 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1498 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1499 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1500 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1501 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1502 (unnamed_splitters): Ditto.
1503 * config/i386/i386.c (output_fix_trunc): Assert that
1504 we're not being passed a TFmode operand.
1506 2007-04-10 Zdenek Dvorak <dvorakz@suse.cz>
1508 PR tree-optimization/31526
1509 * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
1510 n_basic_blocks to find newly added blocks.
1512 2007-04-10 Uros Bizjak <ubizjak@gmail.com>
1514 * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
1516 (fix_trunc<mode>si_sse): Ditto.
1517 (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
1518 (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
1519 (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
1520 (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
1521 (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
1522 expander using SSEMODEF mode macro.
1523 (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
1524 expander using SSEMODEF mode macro.
1525 (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
1526 *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
1527 (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
1528 *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
1529 (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
1530 *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
1531 (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
1532 Macroize insn using X87MODEF mode macro.
1534 2007-04-09 H.J. Lu <hongjiu.lu@intel.com>
1536 * config/i386/sse.md (sse2_pinsrw): Removed.
1537 (sse2_pextrw): Renamed to ...
1538 (*sse2_pextrw): This.
1540 2007-04-09 Jan Hubicka <jh@suse.cz>
1543 * config/i386/sse.md
1544 (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
1545 (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
1546 (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
1547 (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
1549 2007-04-09 Jan Hubicka <jh@suse.cz>
1551 * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
1552 multiple fields of union.
1554 2007-04-09 Zdenek Dvorak <dvorakz@suse.cz>
1556 * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
1557 (create_preheaders): Check that loops are available.
1558 (fix_loop_structure): Clean up, improve comments.
1559 * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
1560 Check that loops are available. Set LOOP_CLOSED_SSA to the loops
1562 * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
1563 * predict.c (tree_estimate_probability): Do not call
1564 calculate_dominance_info. Call create_preheaders.
1565 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
1566 rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
1568 * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
1569 * cfgloop.h (LOOP_CLOSED_SSA): New constant.
1570 * tree-cfg.c (tree_split_edge): Make an assert more precise.
1571 * tree-ssa-threadedge.c (thread_across_edge): Comment the function
1574 2007-04-08 Jan Hubicka <jh@suse.cz>
1576 * tree.h (maybe_fold_offset_to_component_ref): Declare.
1577 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
1578 * fold-const.c (fold_unary): Use it.
1580 2007-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
1582 * varasm.c (assemble_variable): Remove call to
1583 lang_hooks.decls.prepare_assemble_variable.
1584 * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
1585 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
1586 * langhooks.h (lang_hooks_for_decls): Remove
1587 prepare_assemble_variable.
1589 2007-04-08 Mike Stump <mrs@apple.com>
1591 * config/i386/i386.c: Use inc/dec on Core2.
1593 2007-04-08 Steven Bosscher <steven@gcc.gnu.org>
1595 * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
1596 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
1597 lhd_tree_inlining_end_inlining): Remove.
1598 * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
1599 add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
1601 * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
1602 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
1603 lhd_tree_inlining_end_inlining): Remove prototypes.
1604 (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
1605 LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
1606 LANG_HOOKS_TREE_INLINING_START_INLINING,
1607 LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
1609 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
1612 2007-04-08 Anatoly Sokolov <aesok@post.ru>
1615 * config/avr/predicates.md (io_address_operand): Delete predicate.
1616 (low_io_address_operand): Don't use 'mode' argument.
1617 (higth_io_address_operand): Rename ...
1618 (high_io_address_operand): ... to this. Don't use 'mode' argument.
1619 * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
1622 2007-04-07 Daniel Berlin <dberlin@dberlin.org>
1624 Revert change removing staticp.
1626 2007-04-07 Anatoly Sokolov <aesok@post.ru>
1629 * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
1632 2007-04-07 Bruce Korb <bkorb@gnu.org>
1634 * c.opt: Add -Wformat-contains-nul.
1635 * c-format.c (set_Wformat): Set warn_format_contains_nul to the
1637 (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
1638 the NUL byte warning.
1640 2007-04-07 H.J. Lu <hongjiu.lu@intel.com>
1642 * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
1644 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
1646 * tree.c (staticp): No longer use staticp langhook.
1647 * langhooks.c (lhd_staticp): Removed.
1648 * langhooks.h (struct lang_hooks): Remove staticp.
1649 * c-common.c (c_staticp): Remove.
1650 * c-common.h (c_staticp): Ditto.
1651 * langhooks-defs.h (lhd_staticp): Ditto.
1652 (LHD_HOOKS_STATICP): Ditto
1653 * tree.h (gcc_assert_lowered): New macro.
1655 2007-04-06 Zdenek Dvorak <dvorakz@suse.cz>
1657 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
1658 argument "reliable".
1659 (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
1660 Add argument "reliable". Propagate it through calls.
1661 (infer_loop_bounds_from_undefined): Derive number of iterations
1662 estimates from references in blocks that do not dominate loop latch.
1663 (gcov_type_to_double_int): New function.
1664 (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
1665 and expected_loop_iterations_unbounded.
1666 * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
1667 (expected_loop_iterations): Use expected_loop_iterations_unbounded.
1668 * tree-data-ref.c (estimated_loop_iterations): Export.
1669 (get_references_in_stmt): Fix -- do not return addresses of local
1671 * cfgloop.h (expected_loop_iterations_unbounded,
1672 estimated_loop_iterations): Declare.
1674 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
1676 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
1678 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
1680 * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
1681 and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
1682 (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
1683 Use output_387_reg_move().
1684 (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
1685 expander using X87MODEF12 mode macro.
1686 (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
1687 choosing register preferences. Use output_387_reg_move().
1688 (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
1689 instead of "x". Use output_387_reg_move().
1690 (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
1691 *truncxfdf2_i387_noop. Macroize insn using X87MODEF12 mode macro.
1692 (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
1693 *truncxfdf2_i387. Macroize insn using X87MODEF12 mode macro.
1694 Use output_387_reg_move().
1695 (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
1697 (*truncxf?f_i387 splitter): Ditto.
1699 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
1701 * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
1702 LANG_HOOKS_SAFE_FROM_P.
1703 * expr.c (safe_from_p): Remove langhook call.
1704 * langhooks.h (lang_hooks): Remove safe_from_p.
1705 (lhd_safe_from_p): Remove prototype.
1706 * langhooks.c (lhd_safe_from_p): Remove.
1708 2007-04-06 Jan Hubicka <jh@suse.cz>
1710 * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
1713 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
1715 * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
1716 * config/i386/i386.md (*movsf_1, *movdf_nointeger,
1717 *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
1718 *movxf_integer): Use output_387_reg_move() for x87 reg->mem
1720 (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
1721 *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
1723 2007-04-05 Richard Henderson <rth@redhat.com>
1725 * config/alpha/alpha.c (print_operand) [+]: Remove.
1726 (alpha_end_function): Print nop if call at end of function.
1727 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
1728 * config/alpha/alpha.md (UNSPEC_LDGP1): New.
1729 (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
1730 (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
1731 (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
1732 the call pattern. Update peepholes to match.
1734 2007-04-05 Janis Johnson <janis187@us.ibm.com>
1736 * doc/extend.texi (Other Builtins): Add decimal float variants
1738 * builtins.def: Ditto.
1739 * builtins.c (expand_builtin): Ditto.
1741 2007-04-05 Uros Bizjak <ubizjak@gmail.com>
1742 H.J. Lu <hongjiu.lu@intel.com>
1745 * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
1746 of V8HImode when calling ix86_binary_operator_ok.
1747 (sse2_pmaddwd): Call ix86_binary_operator_ok.
1748 (sdot_prodv8hi): Operands 1 and 2 must be register.
1750 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
1752 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
1753 initialize align to silence bogus warning.
1755 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
1758 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
1760 (struct sra_walk_fns): Remove use_all parameter from use.
1761 (sra_hash_tree): Handle BIT_FIELD_REFs.
1762 (sra_elt_hash): Don't hash bitfld blocks.
1763 (sra_elt_eq): Skip them in parent compares as well. Handle
1765 (sra_walk_expr): Don't maintain or pass down use_all_p.
1766 (scan_use): Remove use_all parameter.
1767 (scalarize_use): Likewise. Re-expand assignment to
1768 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
1769 output, and re-scalarize after output. Don't mark anything
1771 (scalarize_ldst): Adjust.
1772 (scalarize_walk_gimple_modify_statement): Likewise.
1773 (build_element_name_1): Handle BIT_FIELD_REFs.
1774 (instantiate_element): Don't warn for any element whose parent
1776 (instantiate_missing_elements_1): Return the sra_elt.
1777 (canon_type_for_field): New.
1778 (try_instantiate_multiple_fields): New.
1779 (instantiate_missing_elemnts): Use them.
1780 (mark_no_warning): Removed.
1781 (generate_one_element_ref): Handle BIT_FIELD_REFs.
1782 (REPLDUP, sra_build_elt_assignment): New.
1783 (generate_copy_inout): Use them.
1784 (generate_element_copy): Likewise. Handle bitfld differences.
1785 (generate_element_zero): Don't recurse for blocks. Use
1786 sra_build_elt_assignment.
1787 (generate_one_element_int): Take elt instead of var. Use
1788 sra_build_elt_assignment.
1789 (generate_element_init_1): Adjust.
1790 (scalarize_use, scalarize_copy): Use REPLDUP.
1791 (scalarize_ldst): Move assert before dereference.
1792 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
1794 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
1796 * regmove.c: Fix unused variable warnings due to previous commit.
1798 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
1800 * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
1801 (regmove_bb_head): Remove.
1802 (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
1803 (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
1804 problems with fixup_match_1.
1805 Don't initialize/free regmove_bb_head.
1807 (reg_is_remote_constant_p): If an insn is in the same basic block
1808 but not before INSN, consider it remote, too.
1810 2007-04-05 Anatoly Sokolov <aesok@post.ru>
1813 * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
1814 DECL_ASSEMBLER_NAME, not the DECL_NAME.
1816 2007-04-05 H.J. Lu <hongjiu.lu@intel.com>
1818 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
1819 (CONDITIONAL_REGISTER_USAGE): Likewise.
1821 2007-04-04 Richard Henderson <rth@redhat.com>
1823 * config/alpha/lib1funcs.asm: Remove unused file.
1825 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
1828 * opts.c (print_specific_help): Fix --help=<language>
1830 (common_handle_option): Support --help=common.
1832 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
1835 * gcc.c (main): Do not run the linker if
1836 print_subprocess_help indicates that it shouldn't be
1839 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
1842 * doc/invoke.texi (--help=): Document <languages> value, fix
1843 formatting in tables of values.
1845 2007-04-04 Danny Smith <dannysmith.users.sourceforge.net>
1847 * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
1848 dllimport attribute of virtual methods.
1850 2007-04-04 Chen Liqin <liqin@sunnorth.com.cn>
1852 * config/score/crti.asm: Change _bss_start to __bss_start.
1853 * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
1854 (OUTGOING_REG_PARM_STACK_SPACE) update.
1855 * config/score/score.opt: add options to make backend support
1856 score5, score5u, score7 and score7d.
1857 * config/score/score.md: Likewise.
1858 * config/score/misc.md: Likewise.
1859 * config/score/mac.md: Likewise.
1860 * doc/invoke.texi: Likewise.
1861 * doc/md.texi: update constraints define.
1863 2007-04-03 Richard Henderson <rth@redhat.com>
1865 * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
1866 an appropriate type, use the mode instead.
1868 2007-04-03 Richard Sandiford <richard@codesourcery.com>
1870 * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
1871 Set the default --with-arch setting to mips2.
1872 * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
1873 (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
1874 (MULTILIB_OSDIRNAMES): Delete.
1875 (MULTILIB_DIRNAMES): Define.
1876 * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
1877 (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
1878 (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
1879 definitions, except for _WRS_R3K_EXC_SUPPORT. Call
1880 VXWORKS_OS_CPP_BUILTINS.
1881 (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
1882 (MIPS_DEBUGGING_INFO): Undefine.
1883 (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
1885 2007-04-03 Jakub Jelinek <jakub@redhat.com>
1888 * fold-const.c (native_encode_real): Encode real.c provided longs
1889 as a series of 32-bit native integers.
1890 (native_interpret_real): Interpret buffer as a series of 32-bit
1893 2007-04-03 Richard Guenther <rguenther@suse.de>
1895 * genpreds.c (write_insn_constraint_len): Write function
1896 optimized for CONSTRAINT_LEN implementation.
1897 (write_tm_preds_h): Output insn_constraint_len inline and
1898 use it for CONSTRAINT_LEN.
1899 (write_insn_preds_c): Don't output insn_constraint_len.
1900 * doc/md.texi (define_register_constraint): Document multi-letter
1901 constraints shall have the same length if they start with the same
1904 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
1907 * config/i386/i386.md (isinf<mode>2): Expand only when
1908 TARGET_C99_FUNCTIONS is set.
1910 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
1912 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
1913 (x86_64-*-linux*): Ditto.
1914 * config/i386/i386.opt (mpc): New option.
1915 * config/i386/i386.c (overrride_options): Handle
1916 ix87_precision_string.
1917 * config/i386/crtprec.c: New file.
1918 * config/i386/t-crtpc: Ditto.
1919 * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
1921 * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
1922 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
1923 crtprec32.o, crtprec64.o and crtprec80.o.
1925 * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
1927 (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
1929 2007-04-02 Eric Christopher <echristo@apple.com>
1931 * doc/invoke.texi (i386 and x86-64 Options): Document -m64
1932 limitations on darwin.
1934 2007-04-02 Anatoly Sokolov <aesok@post.ru>
1937 * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
1939 2007-04-02 Dave Korn <dave.korn@artimi.com>
1941 * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
1943 2007-04-02 Dave Korn <dave.korn@artimi.com>
1945 * libgcc2.h (exception_descriptor): Don't forward-declare.
1946 (__get_eh_table_language, __get_eh_table_version): Delete
1947 prototypes of long-dead functions.
1949 2007-04-01 Daniel Berlin <dberlin@dberlin.org>
1951 * ebitmap.h: New file
1952 * ebitmap.c: New file
1953 * Makefile.in (ebitmap.o): New target.
1955 2007-04-01 Jan Hubicka <jh@suse.cz>
1957 * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
1958 before very first instruction.
1960 2007-04-01 Jan Hubicka <jh@suse.cz>
1962 * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
1963 waring on 64bit hosts.
1964 * bitmap.h: Fix typo in bitmap_head_def.
1966 2007-04-01 Steven Bosscher <steven@gcc.gnu.org>
1968 PR rtl-optimization/31391
1969 * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
1970 into a DELETED_LABEL note, and the label is in an empty basic
1971 block, update BB_END as well as BB_HEAD.
1973 2007-04-01 Richard Henderson <rth@redhat.com>
1975 PR tree-optimization/31169
1976 * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
1977 to varying if the range is outside [0, prec-1].
1979 2007-04-01 Richard Sandiford <richard@codesourcery.com>
1982 * config/mips/mips.md (load_const_gp): New insn.
1983 * config/mips/mips.c (mips_split_symbol): Avoid using or creating
1984 the MIPS16 GP pseudo register if no_new_pseudos.
1985 (mips16_gp_pseudo_reg): Use gen_load_const_gp.
1987 2007-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
1990 * config/rs6000/rs6000.md (call): Convert to LR hard reg for
1992 (call_value): Likewise.
1994 2007-03-31 Wolfgang Bangerth <bangerth@dealii.org>
1995 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1998 * doc/invoke.texi: (optimization options): Reword description
1999 of -ffast-math. Document its primary purpose.
2001 2007-03-31 Richard Guenther <rguenther@suse.de>
2003 * omp-low.c (splay-tree.h): Include.
2004 (lookup_decl): Replace splay-tree usage by pointer-map.
2005 (maybe_lookup_decl): Likewise.
2006 (new_omp_context): Likewise.
2007 (delete_omp_context): Likewise.
2008 * gimplify.c (splay-tree.h): Include.
2009 * tree-inline.c (insert_decl_map): Replace splay-tree usage by
2011 (remap_ssa_name): Likewise.
2012 (remap_decl): Likewise.
2013 (remap_type_1): Likewise.
2014 (remap_type): Likewise.
2015 (copy_body_r): Likewise.
2016 (expand_call_inline): Likewise.
2017 (clone_body): Likewise.
2018 (copy_tree_r): Likewise.
2019 (remap_save_expr): Likewise.
2020 (unsave_r): Likewise.
2021 (unsave_expr_now): Likewise.
2022 (tree_function_versioning): Likewise.
2023 (build_duplicate_type): Likewise.
2024 * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
2025 (struct copy_body_data): Replace splay-tree by pointer-map.
2026 * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
2027 not $(SPLAY_TREE_H).
2028 (gimplify.o): Depend on $(SPLAY_TREE_H).
2029 (omp-low.p): Likewise.
2031 2007-03-31 Anatoly Sokolov <aesok@post.ru>
2033 * config/avr/predicates.md (even_register_operand,
2034 odd_register_operand): New predicates.
2035 * config/avr/avr.md (movw peephole2): New.
2036 (movw_r peephole2): New.
2038 2007-03-30 Rafael Avila de Espindola <espindola@google.com>
2040 * tree.h (get_signed_or_unsigned_type): New.
2041 * fold-const.c (operand_equal_for_comparison_p): Use
2042 get_signed_or_unsigned_type instead of
2043 lang_hooks.types.signed_or_unsigned_type.
2044 * expr.c (store_expr): Ditto.
2045 * langhooks.c (get_signed_or_unsigned_type): New.
2046 (lhd_signed_or_unsigned_type): New.
2047 * langhooks.h (lhd_signed_or_unsigned_type): New.
2048 * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
2050 2007-03-30 Richard Henderson <rth@redhat.com>
2052 * tree-ssa-loop-ivopts.c: Include target.h.
2053 (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
2054 (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
2055 (force_expr_to_var_cost): Use produce_memory_decl_rtl.
2056 * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
2058 2007-03-30 Richard Henderson <rth@redhat.com>
2059 Kai Tietz <kai.tietz@onevision.com>
2061 * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
2063 (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
2064 (TARGET_64BIT_MS_ABI): New.
2065 (DBX_REGISTER_NUMBER): Handle 64-bit.
2066 (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
2067 (LONG_TYPE_SIZE): Force to 32.
2068 (REG_PARM_STACK_SPACE): New.
2069 (OUTGOING_REG_PARM_STACK_SPACE): New.
2070 (REGPARM_MAX, SSE_REGPARM_MAX): New.
2071 (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2072 (STACK_BOUNDARY): Use 128 for 64-bit.
2073 * config/i386/cygwin.asm: Use push/ret to preserve call stack.
2074 Add 64-bit implementation.
2075 * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
2077 * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
2078 (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
2079 Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
2080 for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
2081 (ix86_handle_cconv_attribute): Don't warn when ignoring if
2082 TARGET_64BIT_MS_ABI.
2083 (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
2084 (ix86_pass_by_reference): Likewise.
2085 (ix86_function_value_regno_p): Likewise.
2086 (ix86_build_builtin_va_list): Likewise.
2087 (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2088 (function_arg_advance_ms_64): New.
2089 (function_arg_advance): Call it.
2090 (function_arg_ms_64): New.
2091 (function_arg): Call it.
2092 (function_value_ms_64): New.
2093 (ix86_function_value_1): Call it.
2094 (return_in_memory_ms_64): New.
2095 (ix86_return_in_memory): Call it.
2096 (setup_incoming_varargs_ms_64): New.
2097 (ix86_setup_incoming_varargs): Call it.
2098 (ix86_expand_prologue): Handle 64-bit stack probing.
2099 (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
2100 (output_pic_addr_const): Likewise.
2101 (x86_this_parameter): Likewise.
2102 (x86_output_mi_thunk): Likewise.
2103 (x86_function_profiler): Likewise.
2104 (TARGET_STRICT_ARGUMENT_NAMING): New.
2105 * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
2106 (TARGET_64BIT_MS_ABI): New.
2107 (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
2108 * config/i386/i386.md (allocate_stack_worker): Remove.
2109 (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
2110 describe the clobber of eax without a match_scratch.
2111 (allocate_stack_worker_postreload): Remove.
2112 (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
2113 describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
2114 (allocate_stack_worker_rex64_postreload): Remove.
2115 (allocate_stack): Handle 64-bit.
2116 * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
2117 * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
2118 (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
2119 (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
2120 (STANDARD_STARTFILE_PREFIX_1): Likewise.
2121 * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
2122 * config.build (x86_64-*-mingw*): New host.
2123 * config.host (x86_64-*-mingw*): New host.
2124 * config.gcc (x86_64-*-mingw*): New target.
2125 * gthr-win32.h (__gthread_key_create): Mark dtor unused.
2127 2007-03-30 Richard Henderson <rth@redhat.com>
2128 Kai Tietz <kai.tietz@onevision.com>
2130 * c-pragma.c (struct def_pragma_macro_value): New.
2131 (struct def_pragma_macro): New.
2132 (pushed_macro_table): New.
2133 (dpm_hash, dpm_eq): New.
2134 (handle_pragma_push_macro, handle_pragma_pop_macro): New.
2135 (init_pragma): Install them.
2136 * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2138 2007-03-30 Anatoly Sokolov <aesok@post.ru>
2140 * config/avr/avr.c (avr_override_options): Clear
2141 'flag_delete_null_pointer_checks'.
2143 2007-03-30 Paolo Carlini <pcarlini@suse.de>
2146 * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
2147 RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
2148 RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
2149 RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
2150 RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
2151 RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
2152 RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
2154 * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
2156 2007-03-30 Steven Bosscher <steven@gcc.gnu.org>
2158 * regmove.c: Move all of pass_stack_adjustments from here...
2159 * combine-stack-adj.c: ...to this new file.
2160 * Makefile.in: Add rules for combine-stack-adj.o.
2162 2007-03-30 Zdenek Dvorak <dvorakz@suse.cz>
2164 PR tree-optimization/31383
2165 * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
2166 to have the same length.
2168 2007-03-30 Jan Hubicka <jh@suse.cz>
2171 * dwarf2out.c (reference_to_unused): Ask cgraph for functions
2172 availablility; add more sanity checking; ask varpool only about
2175 2007-03-29 Richard Henderson <rth@redhat.com>
2177 * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
2178 to decide, but __SIZEOF_LONG_LONG__.
2180 2007-03-29 Richard Henderson <rth@redhat.com>
2182 * emutls.c (struct __emutls_array): New.
2183 (emutls_destroy): Use it instead of casting element 0 from void*.
2184 (__emutls_get_address): Likewise.
2186 2007-03-29 Richard Henderson <rth@redhat.com>
2188 * varasm.c (initializer_constant_valid_p): Don't deny
2189 DECL_DLLIMPORT_P on functions.
2191 * config/i386/cygming.h: Remove function declarations.
2192 (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
2193 (ASM_OUTPUT_LABELREF): Remove.
2194 (COMMON_ASM_OP): Remove.
2195 (ASM_OUTPUT_COMMON): Remove.
2196 (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
2197 (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
2198 (ASM_DECLARE_FUNCTION_NAME): Likewise.
2199 * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
2200 Rename from TARGET_ENCODE_SECTION_INFO.
2201 * config/i386/netware.h: Likewise.
2202 * config/i386/i386-protos.h: Update.
2203 * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
2204 of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
2205 (legitimate_constant_p): Reject dllimports.
2206 (dllimport_map, get_dllimport_decl): New.
2207 (legitimize_dllimport_symbol): New.
2208 (legitimize_address, ix86_expand_move): Use it.
2209 (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
2210 * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
2211 (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
2212 (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
2213 * config/i386/predicates.md (constant_call_address_operand): Only
2214 accept symbols; reject dllimport_p symbols.
2215 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
2216 i386_pe_maybe_record_exported_symbol.
2217 * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
2218 (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
2219 (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
2220 trust the setting of DECL_DLLIMPORT_P.
2221 (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
2222 (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
2223 (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
2224 tidy the argument scanning loop.
2225 (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
2226 SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
2227 (i386_pe_strip_name_encoding): Remove.
2228 (i386_pe_binds_local_p): New.
2229 (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
2230 (i386_pe_output_labelref): Remove.
2231 (i386_pe_asm_output_aligned_decl_common): New.
2232 (i386_pe_maybe_record_exported_symbol): Rename from
2233 i386_pe_record_exported_symbol; check for dllexported symbols.
2235 2007-03-29 Zack Weinberg <zack@mrtock.ucsd.edu>
2237 * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
2238 add comment explaining why vsnprintf cannot be used.
2240 2007-03-29 Douglas Gregor <doug.gregor@gmail.com>
2242 PR tree-optimization/30666
2243 * tree.c (build_complex_type): When creating type names for DWARF2
2244 debug info, create TYPE_DECLs for TYPE_NAME instead of
2246 (build_common_tree_nodes_2): Use build_complex_type when building
2247 predefined complex types, to preserve canonical types.
2249 2007-03-29 Steven Bosscher <steven@gcc.gnu.org>
2251 * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
2252 (noce_get_alt_condition): Look at it to determine whether to
2253 reverse the condition or not.
2254 (noce_get_condition): Substitute the truth for lies.
2255 (noce_find_if_block): Set the then_else_reversed field.
2257 2007-03-29 Lars Poeschel <larsi@wh2.tu-dresden.de>
2259 * config/fr30/fr30.md (movdi): Do not accept immediates as the
2260 destination of this insn.
2261 * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
2262 than calling gen_rtx_SET directly. Use r0 to hold the value of
2263 'address + 4' rather than a stack based temporary which can be
2266 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2268 * config/s390/s390.c (s390_secondary_input_reload_class,
2269 s390_secondary_output_reload_class): Functions removed.
2270 (s390_secondary_reload): New function.
2271 (TARGET_SECONDARY_RELOAD): Target macro defined.
2272 * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
2273 SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
2274 * config/s390/s390.md ("reload_outti", "reload_outdi",
2275 "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
2276 "reload_out<mode>"): Expanders removed.
2277 ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
2278 "reload<mode>_nonoffmem_out"): Expanders added.
2280 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2282 * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
2283 SRC->DEST replacement failed anyway.
2285 2007-03-28 Mike Stump <mrs@apple.com>
2287 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
2288 * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
2289 * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
2291 2007-03-28 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
2293 * config.gcc: Accept barcelona as a variant of amdfam10.
2294 * config/i386/i386.c (override_options): Likewise.
2295 * doc/invoke.texi: Likewise.
2297 2007-03-28 Eric Botcazou <ebotcazou@adacore.com>
2299 * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
2300 offsets for BIT_FIELD_REF and COMPONENT_REF.
2302 2007-03-28 Richard Guenther <rguenther@suse.de>
2304 * tree.c (is_global_var): Move ...
2305 * tree-flow-inline.h (is_global_var): ... here.
2306 * tree.h (is_global_var): Remove declaration.
2308 2007-03-28 Uros Bizjak <ubizjak@gmail.com>
2310 * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
2312 (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
2313 * config/i386/i386.c (ix86_tune_features): Initialize new
2315 * config/i386/predicates.md (promotable_binary_operator): Use
2316 TARGET_TUNE_PROMOTE_HIMODE_IMUL.
2318 2007-03-28 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
2321 * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
2323 2007-03-28 Lars Poeschel <larsi@wh2.tu-dresden.de>
2325 * config/fr30/fr30.md (movsi_internal): Change destination
2326 constraint from m to V and add m to the end.
2328 2007-03-28 Christian Bruel <christian.bruel@st.com>
2330 * config/sh/sh.md (movsi_i): Fix type attribute.
2332 2007-03-28 Christian Bruel <christian.bruel@st.com>
2334 * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
2335 (movsf_ie): Likewise.
2337 2007-03-28 Christian Bruel <christian.bruel@st.com>
2339 * config.gcc: Add sh4-300 to multilib.
2340 * config/sh/t-mlib-sh4-300: New file.
2342 2007-03-28 Andreas Krebbel <krebbel1@de.ibm.com>
2344 * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
2345 ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
2347 ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
2348 fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
2349 ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
2350 "fixuns_trunctddi2"): Whitespace fix.
2352 2007-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2354 * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
2355 the definition of struct sh_args.
2356 (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
2357 CALL_COOKIE_INT_REG_GET): Likewise.
2359 2007-03-28 Steven Bosscher <steven@gcc.gnu.org>
2361 * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
2362 transformations are applied successfully.
2364 2007-03-27 Douglas Gregor <doug.gregor@gmail.com>
2366 * tree.c (tree_contains_struct): Permit 512 tree codes.
2367 * tree.h (tree_contains_struct): Ditto.
2368 (MAX_TREE_CODES): Ditto.
2369 (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
2370 SPARE member to store remaining padding bits.
2372 2007-03-27 Anatoly Sokolov <aesok@post.ru>
2374 * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
2377 2007-03-27 Janis Johnson <janis187@us.ibm.com>
2379 * configure.ac: Fix assembler test for powerpc*-linux decimal float.
2380 * configure: Regenerate.
2382 * configure: Regenerate using the correct version of autoconf.
2384 2007-03-27 Anatoly Sokolov <aesok@post.ru>
2386 * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
2388 * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
2389 regs to "__SP_L__" and "__SP_H__".
2391 2007-03-27 Richard Guenther <rguenther@suse.de>
2393 * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
2394 computations with it with a HOST_WIDE_INT variable.
2396 2007-03-26 Mike Stump <mrs@apple.com>
2398 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
2399 objective-c-header, objective-c++-header and objc++-cpp-output
2401 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
2403 2007-03-26 Richard Henderson <rth@redhat.com>
2406 * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
2407 IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
2408 IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
2409 IX86_BUILTIN_PSRLQ128): New.
2410 (ix86_init_mmx_sse_builtins): Add them.
2411 (ix86_expand_builtin): Expand them.
2412 * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
2413 operand 2 be TImode.
2414 * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
2415 _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
2416 _mm_srli_epi64): Mark __B const.
2417 (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
2418 (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
2419 _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
2420 new two-vector shift builtins.
2422 2007-03-26 Ian Lance Taylor <iant@google.com>
2424 PR tree-optimization/31345
2425 * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
2426 [+INF, +INF(OVF)] into VARYING.
2428 2007-03-26 Zack Weinberg <zackw@panix.com>
2430 * gengtype-parse.c: New file.
2431 * gengtype-yacc.y: Delete.
2432 * gengtype-lex.l: Don't include gengtype-yacc.h.
2433 Define YY_DECL and yyterminate appropriately for recursive
2434 descent parser. yylval is now a string out-parameter to yylex.
2435 (HWS, EOID): New shorthand.
2436 (IWORD): Add a couple more types.
2437 (yylex): Add a setup stanza. Remove the complex rules for
2438 detecting GTY'ed types and typedefs; replace with simple
2439 keyword detectors. Adjust everything for the changed
2440 definition of yylval. Ignore all pp-directives, not just #define.
2442 (parse_file): Rename yybegin; do not call yyparse.
2444 * gengtype.c (xasprintf): Export again.
2445 (this_file): New. Use everywhere __FILE__ was being used.
2446 (get_lang_bitmap): Special case types defined in gengtype.c.
2447 (do_typedef, new_structure): Suppress definition of certain types.
2448 (new_structure): Improve diagnostics of duplicate definitions.
2449 Make sure location_s is associated with input.h.
2450 (nreverse_pairs, define_location_structures): New functions.
2451 (main): Improve tagging of kludge types. Remove old kludges
2452 for input.h types; use define_location_structures.
2453 * gengtype.h: Update prototypes. Define token codes here.
2454 * Makefile.in: Remove all references to gengtype-yacc.
2455 Add rules for gengtype-parse.o. Adjust rules for gengtype-lex.o
2457 * bitmap.h (struct bitmap_head_def): Coalesce definitions,
2458 add GTY((skip)) to the field that's only conditionally there.
2459 * doc/install.texi: Document that Bison is no longer required
2460 unless building treelang.
2462 * gengtype.c: Don't include gtyp-gen.h.
2463 (srcdir): Declare here.
2464 (base_files, lang_dir_names): Allocate dynamically.
2465 (gt_files, num_gt_files, num_lang_dirs): New globals.
2466 (measure_input_list, read_input_line, read_input_list)
2467 (set_lang_bitmap): New functions.
2468 (get_base_file_bitmap): Rename get_lang_bitmap and drastically
2469 simplify, relying on read_input_list to set up the bitmaps.
2470 (main): Arguments are no longer unused. Check for correct number
2471 of command line arguments, set srcdir and srcdir_len, then call
2472 read_input_list, before doing anything else. No need to worry
2473 about duplicates in main loop.
2474 * configure.ac: Simplify the calculation of all_gtfiles.
2475 Put language tags in there. Don't set or substitute
2476 all_gtfiles_files_langs or all_gtfiles_files_frags.
2477 * Makefile.in: Revamp the way gengtype is invoked, now that it
2478 takes a file on its command line with a much simpler format.
2479 Remove or replace with gtyp-input.list all references to gtyp-gen.h.
2480 (GTFILES): Remove duplicates and C source files.
2481 * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
2482 * objcp/config-lang.in: Add c-pragma.h to gtfiles.
2483 * configure: Regenerate.
2485 * gengtype.h: Remove all type definitions to gengtype.c; leave
2486 only definitions of options_p, type_p, and pair_p as opaque
2487 pointers. Update prototypes.
2488 * gengtype.c: Many type definitions moved here from gengtype.h.
2489 Consolidate type definitions at the top of the file.
2490 (xvasprintf): Delete.
2491 (xasprintf): Make static.
2492 (create_nested_pointer_option): Add 'next' parameter.
2493 (create_field_all, create_field_at): New functions.
2494 (create_field): Now a thin wrapper around create_field_all.
2495 (create_optional_field): Rename create_optional_field_ and add
2496 line argument. Original name is now a macro which supplies
2498 (oprintf): Use vsnprintf directly.
2499 (close_output_files): Use fatal rather than perror/exit.
2500 (note_def_vec, note_def_vec_alloc): Use create_field_at.
2501 (main): Set progname. Don't use exit.
2502 * gengtype-yacc.y (struct_fields): Use create_field_at.
2503 (option, optionseqopt): Delete.
2504 (optionseq): Consolidate productions from option here so we
2505 can use the first argument to create_option.
2507 * gengtype-lex.l: Distinguish unions from structures in the
2508 token type. Don't call find_structure; return the tag as a string.
2509 * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
2510 Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
2511 Reorganize typedef_struct production accordingly.
2512 Use create_nested_ptr_option.
2513 * gengtype.c (create_nested_ptr_option): New function.
2514 * gengtype.h: Declare it.
2516 * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
2517 (string_type): Don't declare.
2518 (do_scalar_typedef): Declare.
2519 (create_scalar_type): Update prototype.
2520 * gengtype.c (string_type): Make static.
2521 (scalar_nonchar, scalar_char): New.
2522 (do_scalar_typedef): Export. Always use scalar_nonchar for the type.
2523 (resolve_typedef): Use scalar_nonchar for error recovery.
2524 (create_scalar_type): Remove name_len field. Return scalar_char
2525 or scalar_nonchar as appropriate.
2526 (adjust_field_type): Look at scalar_is_char boolean to decide whether
2528 (throughout): Use scalar_nonchar instead of calling create_scalar_type,
2530 (main): Initialize scalar_char and scalar_nonchar before calling
2532 * gengtype-lex.l: Adjust for removal of second argument to
2533 create_scalar_type. Use yylval.s instead of yylval.t when
2535 * gengtype-yacc.y: Type of SCALAR is string. Call
2536 create_scalar_type from type:SCALAR rule. Adjust for removal of
2537 second argument to create_scalar_type.
2539 * vec.h: Remove all #if IN_GENGTYPE blocks.
2540 Add comment saying that changes may require adjustments to gengtype.
2541 * gengtype.c: Don't include coretypes.h or tm.h.
2542 Add comment to inclusion of errors.h.
2543 (note_def_vec, note_def_vec_alloc): New functions.
2544 * gengtype.h: Declare new functions.
2545 * gengtype-lex.l: Don't include coretypes.h.
2546 (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
2548 (update_lineno): Remove unnecessary prototype.
2549 (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
2550 (VEC rule): Just return VEC_TOKEN.
2551 * gengtype-yacc.y (VEC_TOKEN): New token type.
2552 (type): Add a production for VEC(a,b).
2553 * Makefile.in: Update dependencies.
2555 * gengtype-lex.l: Remove rules for parsing pointer-to-function
2556 typedefs that use the old PARAMS macro.
2558 * gengtype-lex.l: Remove all rules and states relating to yacc
2560 * gengtype-yacc.y: Similarly.
2561 * gengtype.c (note_yacc_type): Delete function.
2562 * gengtype.h: Update prototypes.
2564 2007-03-26 Joseph Myers <joseph@codesourcery.com>
2566 * tree-pretty-print.c (dump_generic_node): Report precision of
2567 unnamed integer types.
2569 2007-03-26 Steven Bosscher <steven@gcc.gnu.org>
2571 * ifcvt.c (noce_try_store_flag_constants): Don't check
2572 no_new_pseudos here.
2573 (noce_try_store_flag_constants): Don't check no_new_pseudos.
2574 (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
2575 noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
2576 noce_try_sign_mask): Likewise.
2577 (if_convert): Check no_new_pseudos here.
2579 (cond_exec_process_if_block, noce_process_if_block, find_if_block):
2581 (struct noce_if_info): Add then_bb, else_bb, join_bb members.
2582 (noce_get_condition): Handle new then_else_reversed argument.
2583 (noce_init_if_info): Remove, fold into noce_find_if_block.
2584 (noce_process_if_block): Take a struct noce_if_info as the
2585 argument. Don't set up one based on ce_if_info. Update pointer
2586 references accordingly.
2587 (cond_move_process_if_block): Likewise.
2588 (process_if_block): Removed.
2589 (find_if_block): Removed. Move functionality two new functions,
2590 noce_find_if_block and cond_exec_find_if_block.
2591 (noce_find_if_block): New function. Be aware of IF-THEN-JOIN
2592 blocks and the symmetric IF-ELSE-JOIN case.
2593 (cond_exec_find_if_block): Also new function mostly based on old
2594 find_if_block and process_if_block.
2595 (find_if_header): Replace find_if_block call with separately
2596 guarded calls to noce_find_if_block and cond_exec_find_if_block.
2597 (find_cond_trap): Update noce_get_condition call.
2598 (dead_or_predicable): Likewise.
2600 2007-03-26 Jakub Jelinek <jakub@redhat.com>
2602 * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
2604 (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
2605 IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
2606 IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
2607 (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
2608 v4si_ftype_v4si_v2di. Remove __builtin_ia32_psllw128,
2609 __builtin_ia32_pslld128, __builtin_ia32_psllq128,
2610 __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
2611 __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
2612 __builtin_ia32_psrad128 builtins.
2614 2007-03-26 Uros Bizjak <ubizjak@gmail.com>
2616 * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
2617 * config/i386/constraints.md
2618 (define_constraint "I"): Use IN_RANGE macro.
2619 (define_constraint "J"): Ditto.
2620 (define_constraint "K"): Ditto.
2621 (define_constraint "M"): Ditto.
2622 (define_constraint "N"): Ditto.
2623 (define_constraint "O"): Ditto.
2624 * config/i386/predicates.md
2625 (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
2626 (define_predicate "const_0_to_3_operand"): Ditto.
2627 (define_predicate "const_0_to_7_operand"): Ditto.
2628 (define_predicate "const_0_to_15_operand"): Ditto.
2629 (define_predicate "const_0_to_63_operand"): Ditto.
2630 (define_predicate "const_0_to_255_operand"): Ditto.
2631 (define_predicate "const_1_to_31_operand"): Ditto.
2632 (define_predicate "const_2_to_3_operand"): Ditto.
2633 (define_predicate "const_4_to_7_operand"): Ditto.
2635 2007-03-25 David Edelsohn <edelsohn@gnu.org>
2637 * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
2638 in SImode for save_world.
2639 * config/rs6000/altivec.md (save_world, restore_world): Convert to
2642 2007-03-25 Dorit Nuzman <dorit@il.ibm.com>
2644 PR tree-optimization/30784
2645 * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
2648 2007-03-25 Revital Eres <eres@il.ibm.com>
2650 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
2651 Fold movement_possibility function into it.
2653 2007-03-25 David Edelsohn <edelsohn@gnu.org>
2655 * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
2656 (load_macho_picbase_{si,di}): Convert to LR hard reg.
2657 (call_indirect_nonlocal_darwin64): Same.
2658 (call_nonlocal_darwin64): Same.
2659 (call_value_indirect_nonlocal_darwin64): Same.
2660 (call_value_nonlocal_darwin64): Same.
2661 (sibcall_nonlocal_darwin64): Same.
2662 (sibcall_value_nonlocal_darwin64): Same.
2663 (sibcall_symbolic_64): Same.
2664 (sibcall_value_symbolic_64): Same.
2665 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
2667 (rs6000_emit_load_toc_table): Same.
2668 * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
2669 * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
2675 (load_toc_v4_pic_si): Same
2676 (load_toc_v4_PIC_1): Same.
2677 (load_toc_v4_PIC_1b): Same.
2678 (call_indirect_aix{32,64}): Same.
2679 (call_value_indirect_aix{32,64}): Same.
2682 (call_local{32,64}): Same.
2683 (call_value_local{32,64}): Same.
2684 (call_indirect_nonlocal_aix{32,64}): Same.
2685 (call_nonlocal_aix{32,64}): Same.
2686 (call_value_indirect_nonlocal_aix{32,64}): Same.
2687 (call_value_nonlocal_aix{32,64}): Same.
2688 (call_indirect_nonlocal_sysv<mode>): Same.
2689 (call_nonlocal_sysv<mode>): Same.
2690 (call_value_indirect_nonlocal_sysv<mode>): Same.
2691 (call_value_nonlocal_sysv<mode>): Same.
2693 (sibcall_local{32,64}): Same.
2694 (sibcall_value_local{32,64}): Same.
2695 (sibcall_nonlocal_aix{32,64}): Same.
2696 (sibcall_value_nonlocal_aix{32,64}): Same.
2697 (sibcall_nonlocal_sysv<mode>): Same.
2698 (sibcall_value): Same.
2699 (sibcall_value_nonlocal_sysv<mode>): Same.
2701 2007-03-24 Paul Brook <paul@codesourcery.com>
2703 * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
2704 * config/arm/linux-eabi.h: Remove legacy syscall hack.
2706 2007-03-24 Richard Henderson <rth@redhat.com>
2708 * config/ia64/constraints.md: New file.
2709 * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
2710 satisfies_constraint_?.
2711 * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
2712 ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
2713 ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
2714 ia64_output_mi_thunk): Likewise.
2715 (ia64_const_ok_for_letter_p): Remove.
2716 (ia64_const_double_ok_for_letter_p): Remove.
2717 (ia64_extra_constraint): Remove.
2718 * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
2719 (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
2720 CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
2721 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
2722 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
2723 EXTRA_MEMORY_CONSTRAINT): Remove.
2724 * config/ia64/ia64.md: Include constriants.md. Replace
2725 CONST_OK_FOR_? with satisfies_constraint_?.
2727 2007-03-23 Michael Meissner <michael.meissner@amd.com>
2728 H.J. Lu <hongjiu.lu@intel.com>
2730 * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
2732 (name macros): Use DPD_BID_NAME to convert names properly.
2734 * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
2735 decimal floating point format.
2736 (init_floating_libfuncs): Change decimal functions so that they
2737 have a "bid_" prefix if the decimal system uses the BID format,
2738 and "dpd_" prefix if the decimal system uses the DPD format.
2739 (init_interclass_conv_libfuncs): Ditto.
2740 (init_intraclass_conv_libfuncs): Ditto.
2742 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
2743 using the BID format.
2745 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
2746 whether we are using the BID decimal format.
2747 * configure: Regenerate.
2749 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
2750 the compiler has decimal floating point enabled. Define
2751 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
2754 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
2755 using the BID format.
2757 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
2758 whether we are using the BID decimal format.
2759 * configure: Regenerate.
2761 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
2762 the compiler has decimal floating point enabled. Define
2763 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
2766 * doc/install.texi (--enable-decimal-float): Document BID and DPD
2767 options, and that it is enabled for i386/x86_64 systems.
2769 * Makefile.in (enable_decimal_float): New.
2771 (DECNUMINC): Add -I$(DECNUMFMT).
2772 (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
2773 to $(DECNUMFMT) from $(DECNUM).
2775 * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
2776 Substitute enable_decimal_float.
2777 * configure: Regenerated.
2780 * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
2783 * configure.ac: Enable decimal float for x86_64-*-linux*.
2784 * configure: Regenerated.
2787 * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
2788 decimal128ClearSign to flip and clear the sign bit in decimal128.
2789 (decimal_real_maxval): Set decimal128SetSign to set the sign
2792 2007-03-23 Ian Lance Taylor <iant@google.com>
2794 * fold-const.c (fold_binary): Correct warning for X - c >= X.
2796 2007-03-23 Ian Lance Taylor <iant@google.com>
2798 * tree-dump.c (dump_files): Correct comment.
2800 2007-03-23 Ian Lance Taylor <iant@google.com>
2802 * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
2804 2007-03-23 Steven Bosscher <steven@gcc.gnu.org>
2806 * tracer.c (tracer): Don't take FLAGS argument. Assert we are
2807 in cfglayout mode. Don't go into and out of cfglayout mode.
2808 Link the blocks in the order of the constructed traces.
2809 (rest_of_handle_tracer): Adjust call to tracer.
2810 * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
2811 Don't go into cfglayout mode.
2812 (rtl_loop_done): Don't go out of cfglayout mode.
2813 * cfglayout.c (relink_block_chain): New function, split out from...
2814 (fixup_reorder_chain): ...here. Remove redundant checking.
2815 (cfg_layout_finalize): Don't clear the header, footer, and aux
2816 fields here, move the code to do so to relink_block_chain. Likewise
2817 for free_original_copy_tables.
2818 * rtl.h (tracer): Update prototype.
2819 * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
2820 Assert we are in cfglayout mode. Don't go into and out of cfglayout
2821 mode. Use relink_block_chain to serialize the CFG according to the
2822 new basic block order. Move targetm.cannot_modify_jumps_p check from
2824 (gate_handle_reorder_blocks): ...to here.
2825 (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
2827 (gate_duplicate_computed_gotos): ...to here.
2828 (rest_of_handle_reorder_blocks): Don't see if anything has changed,
2829 something always changes when going into and out of cfglayout mode.
2830 Perform an expensive cfg cleanup while going into cfglayout mode.
2831 Always update liveness information on HAVE_conditional_execution
2832 targets. Reserialize the basic blocks and go out of cfglayout mode.
2833 * reg-stack.c: Include cfglayout.h.
2834 (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
2835 the call to reorder_basic_blocks.
2836 * basic-block.h (reorder_basic_blocks): Update prototype.
2837 (relink_block_chain): New prototype.
2838 * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
2840 2007-03-23 Joseph Myers <joseph@codesourcery.com>
2842 * config/mips/mips.md (type, hazard, *movdi_32bit,
2843 *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
2844 *movhi_internal, *movqi_internal, *movsf_hardfloat,
2845 *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
2846 movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
2847 mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
2849 (movcc): Change first xfer to multi.
2850 * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
2851 config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
2852 config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
2853 config/mips/generic.md: Change reservations using "xfer" to use
2855 * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
2856 using match_operand.
2857 (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
2858 * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
2860 (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
2862 2007-03-22 Richard Henderson <rth@redhat.com>
2864 * config/i386/i386.c: Remove unnecessary function declarations.
2865 Move targetm definition, and all related macros, to the end of
2866 the file. Resort some functions to put definitions before uses.
2867 (ix86_attribute_table): Make static. Move to end of file.
2868 (ix86_gimplify_va_arg): Make static.
2870 2007-03-22 Richard Henderson <rth@redhat.com>
2872 * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
2873 don't increase local_regparm with force_align_arg_pointer check.
2874 (ix86_function_sseregparm): Assert 32-bit.
2875 (type_has_variadic_args_p): New.
2876 (ix86_return_pops_args): Early exit for 64-bit. Reindent; use
2877 type_has_variadic_args_p.
2878 (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
2879 (init_cumulative_args): Remove TARGET_DEBUG_ARG. Remove zero_cum;
2880 use memset instead. Do maybe_vaarg check first; skip attribute
2881 tests if true; skip attribute tests for 64-bit.
2882 (construct_container): Remove TARGET_DEBUG_ARG.
2883 (function_arg_advance_32, function_arg_advance_64): Split out ...
2884 (function_arg_advance): ... from here.
2885 (function_arg_32, function_arg_64): Split out ...
2886 (function_arg): ... from here.
2887 (ix86_pass_by_reference): Tidy.
2888 (ix86_function_value_regno_p): Rearrange w/ switch on regno.
2889 (function_value_32): New, from parts of ix86_function_value
2890 and ix86_value_regno.
2891 (function_value_64): New, from parts of ix86_function_value
2892 and ix86_libcall_value.
2893 (ix86_function_value_1): New.
2894 (ix86_function_value, ix86_libcall_value): Use it.
2895 (return_in_memory_32, return_in_memory_64): Split out ...
2896 (ix86_return_in_memory): ... from here.
2897 (ix86_struct_value_rtx): Skip for 64-bit.
2898 (ix86_libcall_value, ix86_value_regno): Remove.
2899 (setup_incoming_varargs_64): Split out ...
2900 (ix86_setup_incoming_varargs): ... from here.
2901 (ix86_va_start): Remove TARGET_DEBUG_ARG.
2902 (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
2903 * config/i386/i386-protos.h (ix86_function_value): Remove.
2904 * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
2906 2007-03-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2909 * c-lex.c (interpret_float): On overflow, emit pedantic warning if
2910 infinities not supported, otherwise emit warning if -Woverflow. On
2911 underflow, emit warning if -Woverflow.
2912 * real.c (real_from_string): Return -1 if underflow, +1 if overflow
2914 * real.h (real_from_string): Update declaration
2916 2007-03-22 Kai Tietz <kai.tietz@onevision.com>
2917 Richard Henderson <rth@redhat.com>
2919 * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
2920 * calls.c (compute_argument_block_size, expand_call,
2921 emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
2922 * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
2923 * function.c (STACK_DYNAMIC_OFFSET): Likewise.
2924 * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
2925 * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
2926 config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
2927 config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
2928 config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
2931 2007-03-22 Joseph Myers <joseph@codesourcery.com>
2933 * c-incpath.c (add_sysroot_to_chain): New.
2934 (merge_include_chains): Add sysroot argument. Call
2935 add_sysroot_to_chain if sysrooted.
2936 (register_include_chains): Update call to merge_include_chains.
2937 * doc/cppopts.texi: Document use of '=' in include directory
2940 2007-03-22 Uros Bizjak <ubizjak@gmail.com>
2942 * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
2943 Macroize expander using SSEMODEF mode macro. Use SSE_FLOAT_MODE_P.
2944 (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
2945 insn pattern using X87MODEF12 mode macro.
2947 2007-03-21 Seongbae Park <seongbae.park@gmail.com>
2949 * regmove.c (regmove_optimize): Use reg_mentioned_p
2950 instead of reg_overlap_mentioned_p for DST.
2952 2007-03-21 Mike Stump <mrs@apple.com>
2954 * c.opt: Fixup for Objective-C/C++.
2956 2007-03-21 Steve Ellcey <sje@cup.hp.com>
2958 * explow.c (convert_memory_address): Fold memory reference when
2959 POINTERS_EXTEND_UNSIGNED < 0
2961 2007-03-21 Richard Henderson <rth@redhat.com>
2964 * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
2965 * config/i386/mmintrin.h (__m64): Likewise.
2966 * config/i386/xmmintrin.h (__m128): Likewise.
2968 2007-03-21 Richard Sandiford <richard@codesourcery.com>
2970 * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
2971 (VXWORKS_OS_CPP_BUILTINS): Define.
2972 * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
2973 (TARGET_OS_CPP_BUILTINS): ...here. Use VXWORKS_OS_CPP_BUILTINS.
2975 2007-03-21 Richard Sandiford <richard@codesourcery.com>
2977 * rtl.h (constant_pool_reference_p): Delete.
2978 (find_constant_src): Declare.
2979 * rtlanal.c (find_constant_src): New function.
2980 * simplify-rtx.c (constant_pool_reference_p): Delete.
2981 * config/i386/i386.md: Use find_constant_src instead of
2982 constant_pool_reference_p/avoid_constant_pool_reference pairs.
2984 2007-03-21 Richard Sandiford <richard@codesourcery.com>
2986 * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
2987 * c-cppbuiltin.c (c_cpp_builtins): Define them.
2989 2007-03-20 Mark Mitchell <mark@codesourcery.com>
2991 * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
2992 * config/arm/arm.c (arm_elf_asm_cdtor): New function.
2993 (arm_elf_asm_constructor): Use it.
2994 (arm_elf_asm_destructor): New function.
2996 2007-03-20 Bernd Schmidt <bernd.schmidt@analog.com>
2998 * jump.c (mark_jump_label): Treat SEQUENCE specially.
3000 2007-03-20 Nathan Sidwell <nathan@codesourcery.com>
3002 * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
3004 2007-03-19 Andrew Haley <aph@redhat.com>
3006 PR tree-optimization/31264
3007 * tree-vrp.c (register_edge_assert_for_1): Don't look though
3010 2007-03-19 Paolo Bonzini <bonzini@gnu.org>
3012 PR rtl-optimization/30907
3013 * fwprop.c (forward_propagate_into): Never propagate inside a loop.
3014 (fwprop_init): Always call loop_optimizer_initialize.
3015 (fwprop_done): Always call loop_optimizer_finalize.
3016 (fwprop): We always have loop info now.
3017 (gate_fwprop_addr): Remove.
3018 (pass_fwprop_addr): Use gate_fwprop as gate.
3020 PR rtl-optimization/30841
3021 * df-problems.c (df_ru_local_compute, df_rd_local_compute,
3022 df_chain_alloc): Call df_reorganize_refs unconditionally.
3023 * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
3024 refs_organized to refs_organized_size.
3025 (df_ref_create_structure): Use refs_organized_size instead of
3026 bitmap_size if refs had been organized, and keep refs_organized_size
3028 * df.h (struct df_ref_info): Change refs_organized to
3029 refs_organized_size.
3030 (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
3033 2007-03-19 Mark Mitchell <mark@codesourcery.com>
3035 * except.c (output_function_exception_table): Do not reference the
3036 EH personality routine for functions that do not require an
3039 2007-03-20 Jakub Jelinek <jakub@redhat.com>
3042 * c-typeck.c (convert_for_assignment): Call comptypes for
3043 RECORD_TYPE or UNION_TYPE.
3046 * reload1.c (reload): Do invalid ASM checking after
3047 cleanup_subreg_operands.
3049 2007-03-19 Jeff Law <law@redhat.com>
3051 * tree-cfg.c (find_taken_edge): Tighten conditions for
3052 optimizing computed gotos.
3054 2007-03-19 Michael Matz <matz@suse.de>
3056 * builtins.c (expand_builtin_sync_operation,
3057 expand_builtin_compare_and_swap,
3058 expand_builtin_lock_test_and_set): Care for extending CONST_INTs
3061 * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
3062 sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
3065 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
3067 * doc/tm.texi: Add brackets around the return type of
3068 TARGET_SECONDARY_RELOAD.
3070 2007-03-19 Andrew Pinski <andrew_pinski@playstation.sony.com>
3071 Richard Guenther <rguenther@suse.de>
3073 PR tree-optimization/31254
3074 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3075 Use handled_component_p () where appropriate. Continue
3076 propagating into the rhs if we propagated into an INDIRECT_REF
3079 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
3081 * config/s390/s390.md (op_type attribute): RRR instruction type added.
3082 (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
3083 (xde, xdee): Mode attributes adjusted to support DFP modes.
3084 (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
3085 ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
3086 DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
3087 "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
3088 "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
3089 "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3090 "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
3092 ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
3093 "movsf"): Insn definitions removed.
3094 ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
3095 "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
3096 "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
3098 ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
3099 "reload_in<mode>", "reload_out<mode>"): Expander added.
3100 ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
3103 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
3105 * config/s390/s390.md: Only non-functional changes. Renamed
3106 FPR mode macro to BFP all over the file.
3108 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
3110 * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
3111 (op_type attribute): RRF instruction type added.
3112 (fT0): New mode attribute.
3113 ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3114 "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
3115 * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
3116 no secondary memory is needed when moving DFmode values between GPRs
3119 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
3121 * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
3122 inverted and documentation adjusted.
3123 ("mhard-dfp", "msoft-dfp"): New options.
3124 * config/s390/s390.c (s390_handle_arch_option): New architecture
3126 (override_options): Sanity checks for the new options added.
3127 * config.gcc: New architecture switch: z9-ec.
3128 * config/s390/s390.h (processor_flags): PF_DFP added.
3129 (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
3130 (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
3131 when the bit is NOT set so remove it from the defaults.
3133 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
3135 * genemit.c (main): Print include statement for dfp.h.
3136 * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
3139 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
3141 * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
3143 2007-03-19 Kaz Kojima <kkojima@gcc.gnu.org>
3146 * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
3149 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3151 * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
3152 attr_length_call, output_call, output_indirect_call): Cleanup
3153 formatting of targetm calls.
3155 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
3157 * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
3159 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3161 * pa.md: Add fpstore_load and store_fpload instruction types. Provide
3162 reservation, bypass and anti-bypass descriptions for these instructions.
3163 Update move patterns.
3164 * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
3167 2007-03-18 Dorit Nuzman <dorit@il.ibm.com>
3169 * tree-vect-transform.c (get_initial_def_for_induction): Replace
3170 GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
3171 (get_initial_def_for_reduction): Likewise.
3173 2007-03-16 Daniel Berlin <dberlin@dberlin.org>
3175 Fix PR tree-optimization/29922
3176 * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
3177 (get_representative): Removed.
3178 (value_dies_in_block_x): Update for rvuse removal.
3179 (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
3180 (compute_antic_aux): Handle when PHI nodes appear in
3181 non-single-successors.
3182 (dump_bitmap_of_names): Removed.
3183 (compute_antic_safe): Renamed and removed rvuse calculation.
3184 Calculate only antic safe.
3185 (insert_into_preds_of_block): Remove assert.
3186 (execute_pre): Update for renamed functions.
3187 (defer_or_phi_translate_block): New function.
3189 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
3191 * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
3192 config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
3194 * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
3195 Follow spelling conventions.
3197 * tree-data-ref.h: Remove the prototype for analyze_array.
3199 2007-03-17 Dorit Nuzman <dorit@il.ibm.com>
3201 PR tree-optimization/31041
3202 * tree-vect-transform.c (get_initial_def_for_induction): Call
3203 force_gimple_operand.
3205 2007-03-17 Olga Golovanevsky <olga@il.ibm.com>
3207 * ipa-type-escape.c (look_for_casts) : Revert code to use
3208 handled_component_p due to ada test a-numaux.adb.
3210 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
3212 * final.c (final_scan_insn): Alter the condition of a
3213 conditional trap if we have nonstandard CC.
3215 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
3217 * configure.ac: Remove excess quoting from asm line 0 test.
3218 * configure: Rebuilt.
3220 2007-03-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3222 * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
3223 * c-common.c (convert_and_check): Move warning logic to...
3224 (warnings_for_convert_and_check): ...here. Define.
3225 * c-common.h (warnings_for_convert_and_check): Declare.
3227 2007-03-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3229 * pa.c (attr_length_call): Partially revert change of 2007-03-09.
3230 (output_call): Likewise.
3232 2007-03-16 Richard Sandiford <richard@codesourcery.com>
3234 * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
3236 2007-03-16 Richard Sandiford <richard@codesourcery.com>
3238 * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
3240 2007-03-16 Uros Bizjak <ubizjak@gmail.com>
3242 * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
3243 opteron, athlon-64 and athlon-fx processor_alias_table entries.
3245 2007-03-16 Sebastian Pop <sebastian.pop@inria.fr>
3247 PR tree-optimization/31183
3248 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
3249 Use double_int instead of unsigned int for representing access_strides.
3250 * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
3252 2007-03-16 Richard Guenther <rguenther@suse.de>
3254 PR tree-optimization/31146
3255 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
3256 to allow recursion of forward_propagate_addr_expr.
3257 (forward_propagate_addr_into_variable_array_index): Likewise.
3258 (forward_propagate_addr_expr): Likewise.
3259 (tree_ssa_forward_propagate_single_use_vars): Likewise.
3260 (forward_propagate_addr_expr_1): Recurse on simple copies
3261 instead of propagating into them. Do so for useless conversions
3263 (forward_propagate_addr_expr): Clean up unused statements after
3266 2007-03-16 Richard Guenther <rguenther@suse.de>
3268 * builtins.c (expand_builtin_cexpi): Use the right argument
3269 for the expansion via cexp.
3271 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
3273 * configure.ac: Don't require ELF binutils to tolerate # 0 "".
3274 * configure: Rebuilt.
3276 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
3279 * dwarf2out.c (force_type_die): Adjust comment.
3280 (dwarf2out_imported_module_or_decl): Handle base AT_import types.
3282 2007-03-15 DJ Delorie <dj@redhat.com>
3284 * config/frv/predicates.md (minmax_operator): Don't check operands
3287 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3289 * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
3290 Update constant estimates of number of iterations.
3291 (record_nonwrapping_iv): Add "upper" argument. "data_size_bounds_p"
3292 argument renamed to "realistic".
3293 (compute_estimated_nb_iterations): Removed.
3294 (record_niter_bound): New function.
3295 (idx_infer_loop_bounds): For possible but unlikely tail arrays,
3296 call record_nonwrapping_iv with upper = false.
3297 (infer_loop_bounds_from_signedness): Pass upper argument to
3298 record_nonwrapping_iv.
3299 (estimate_numbers_of_iterations_loop): Do not call
3300 compute_estimated_nb_iterations. Record estimate based on profile
3301 information. Initialize the constant estimates of number of
3303 * tree-data-ref.c (estimated_loop_iterations): Return the recorded
3305 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
3306 number of iterations is too small.
3307 * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
3308 (EST_NOT_AVAILABLE): Removed.
3309 (struct loop): Replace estimated_nb_iterations by any_upper_bound,
3310 nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
3313 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3315 * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
3316 Handle NE_EXPR guards.
3318 2007-03-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3321 * c-opts.c (c_common_post_options): Handle C++ post-processing here.
3322 Set also -pedantic-errors by default for the preprocessor unless
3323 -fpermissive is given.
3325 2007-03-15 Richard Guenther <rguenther@suse.de>
3329 * builtins.c (expand_builtin_cexpi): As a fallback if we
3330 don't have builtins for sincos or cexp create a function
3331 declaration for cexp and expand to a call to that.
3332 (expand_builtin_int_roundingfn): Always fall
3333 back to floor/ceil and its variants even if they may be
3336 2007-03-15 Steven Bosscher <steven@gcc.gnu.org>
3339 * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
3340 jump tables, move the call to delete_dead_jumptables from here...
3341 (cfg_layout_finalize): ...to here. But rebuild jump labels first.
3342 * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
3343 don't allow merging of blocks that try_redirect_by_replacing_jump
3344 also does not handle when not optimizing.
3346 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
3347 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3349 * config/i386/i386.md (x86_sahf_1): Correctly handle
3352 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
3355 * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
3356 x86_64_general_operand as operand[2] predicate. Remove "iF"
3357 from operand constraints and use "e" constraint instead.
3358 (*subti3_1, *subti3_1 splitter): Ditto.
3359 (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
3360 operand[1] predicate.
3362 2007-03-14 Sebastian Pop <sebastian.pop@inria.fr>
3364 * tree-loop-linear.c (gather_interchange_stats): For multidimensional
3365 arrays, multiply the access strides by the size of the sub-array.
3366 * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
3368 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
3370 * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
3371 the configured assembler supports the sahf mnemonic.
3372 * configure: Regenerate.
3373 * config.in: Regenerate.
3375 * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
3376 emit "sahf" or ".byte\t0x9e" as asm template.
3378 2007-03-14 Michael Meissner <michael.meissner@amd.com>
3381 * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
3382 option to replace hard coded TARGET_xxx in md file.
3383 (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
3384 (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
3385 (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
3386 (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
3387 (X86_TUNE_NOT_UNPAIRABLE): Ditto.
3388 (X86_TUNE_NOT_VECTORMODE): Ditto.
3389 (TUNE_SHORTEN_X87_SSE): Use new tuning option.
3390 (TUNE_AVOID_VECTOR_DECODE): Ditto.
3391 (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
3392 (TUNE_SLOW_IMUL_IMM8): Ditto.
3393 (TUNE_MOVE_M1_VIA_OR): Ditto.
3394 (TUNE_NOT_UNPAIRABLE): Ditto.
3395 (TUNE_NOT_VECTORMODE): Ditto.
3397 * config/i386/i386.c (ix86_tune_features): Fill in new tuning
3400 * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
3401 tuning options instead of hard coded TARGET_xxx.
3402 (fix ssemode peephole2's): Ditto.
3403 (imul peephole2's): Ditto.
3405 (movdi_or_rex64): Ditto.
3406 (move peephole2): Ditto.
3407 (not peephole2's): Ditto.
3409 2007-03-14 Dirk Mueller <dmueller@suse.de>
3411 * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
3412 * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
3413 * c-parser.c (c_parser_if_body): Always add an empty statement in case
3415 * c-parser.c (c_parser_do_statement): Warn about empty body in
3417 * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
3418 * doc/invoke.texi (-Wempty-body): Update documentation.
3420 2007-03-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3423 * c-common.h (warn_for_div_by_zero): Declare.
3424 * c-common.c (warn_for_div_by_zero): Define.
3425 * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
3428 2007-03-14 Richard Sandiford <richard@codesourcery.com>
3430 * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
3431 to PREFIX and STANDARD_PREFIX.
3433 2007-03-14 Richard Sandiford <richard@codesourcery.com>
3434 Phil Edwards <phil@codesourcery.com>
3436 * gthr-vxworks.h: Add an extern "C" wrapper for C++.
3437 (__gthread_once_t): Remove busy field for RTPs.
3438 (__GTHREAD_ONCE_INIT): Update accordingly.
3440 2007-03-14 Richard Sandiford <richard@codesourcery.com>
3442 * doc/invoke.texi: Document VxWorks options.
3444 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
3446 * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
3448 2007-03-13 Seongbae Park <seongbae.park@gmail.com>
3450 PR tree-optimization/30590
3451 * tree-nrv.c (tree_nrv): Check for the partial update of the
3454 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
3456 * flags.h (flag_random_seed): Remove declaration, in favor of...
3457 * toplev.h (get_random_seed, set_random_seed): ... these.
3458 * tree.c (get_file_function_name): Use the former.
3459 * opts.c (common_handle_option): Use the latter.
3462 2007-03-13 Steven Bosscher <steven@gcc.gnu.org>
3465 * cse.c (cse_find_path): Do not bail out if a basic block that
3466 we already visited now becomes part of a path that starts at a
3467 different basic block. Just disallow this, to make sure we
3468 visit each basic block at most once.
3470 2007-03-13 Jan Hubicka <jh@suse.cz>
3472 * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
3473 when profile esitmate is present, calls with very low frequency are
3476 2007-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3478 PR tree-optimization/30730
3479 PR tree-optimization/26900
3480 * tree-ssa-loop-niter.c: Include gmp.h.
3482 (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
3483 split_to_var_and_offset, determine_value_range,
3484 bound_difference_of_offsetted_base, refine_bounds_using_guard,
3485 bound_difference, bounds_add, bounds_negate,
3486 number_of_iterations_ne_max, dump_affine_iv): New functions.
3487 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3488 assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
3489 difference of initial and final value of control iv to validate
3491 (number_of_iterations_cond): Add loop parameter. Determine bounds
3492 on the difference of the extremes of the control iv. Add dumps.
3493 (expand_simple_operations): Handle phi nodes.
3494 (simplify_using_initial_conditions): Do not record used conditions.
3495 (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
3496 Do not set additional_info.
3497 (implies_nonnegative_p, implies_ge_p): Removed.
3498 (derive_constant_upper_bound): Do not use parameter `additional'.
3499 (record_estimate): Parameter `additional' removed. Parameter
3500 `i_bound' added. Do not call derive_constant_upper_bound.
3501 (record_nonwrapping_iv): Use derive_constant_upper_bound to
3502 bound the number of iterations estimate.
3503 (estimate_numbers_of_iterations_loop): Pass the estimate from
3504 the number of iterations analysis to record_estimate.
3505 * tree.h (multiple_of_p): Declare.
3506 * tree-scalar-evolution.c (expression_expensive_p): Removed.
3507 (scev_const_prop): Do not check expression_expensive_p.
3508 * fold-const.c (multiple_of_p): Exported.
3509 * double-int.c (double_int_mask): Exported.
3510 * double-int.h (double_int_mask): Declare.
3511 * tree-flow.h (struct tree_niter_desc): Removed additional_info
3512 field. Added max field.
3514 2007-03-13 David Taylor <taylor@candd.org>
3517 * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
3520 2007-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3523 * pa.md (vdepi_ior): Don't allow zero length deposit. Likewise for
3524 two unamed patterns.
3526 2007-03-13 Uros Bizjak <ubizjak@gmail.com>
3528 * config/i386/i386.opt (mcx16, msahf): New options.
3529 * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
3530 (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
3532 * config/i386/driver-i386.c (bit_LAHF_LM): New define.
3533 (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
3534 Output -mcx16 and -msahf options when corresponding bit is set.
3536 * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
3539 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
3541 * configure.ac: Test for assembler tolerance to # 0 "".
3542 * configure, config.in: Rebuilt.
3543 * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
3545 2007-03-13 Geoffrey Keating <geoffk@apple.com>
3547 * doc/invoke.texi (Spec Files): Update for '%{,' spec.
3549 * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
3550 (handle_syscall): Handle direct system calls.
3551 * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
3553 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
3555 * doc/invoke.texi: Fix cpp.info cross-reference.
3556 * doc/passes.texi: Fix gcc.info cross-reference.
3558 2007-03-12 Zdenek Dvorak <dvorakz@suse.cz>
3560 PR tree-optimization/30835
3561 * lambda-code.c (can_convert_to_perfect_nest): Check whether
3562 bb_for_stmt is not NULL before accessing it.
3564 2007-03-12 Joseph Myers <joseph@codesourcery.com>
3566 * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
3569 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
3572 * doc/install.texi: Document --enable-stage1-languages
3574 2007-03-12 Steven Bosscher <steven@gcc.gnu.org>
3576 * tree-pass.h (pass_into_cfg_layout_mode,
3577 pass_outof_cfg_layout_mode): Declare.
3578 * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
3579 pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
3580 * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
3581 (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
3583 2007-03-12 Seongbae Park <seongbae.park@gmail.com>
3585 * c-decl.c (warn_variable_length_array): New function.
3586 Refactored from grokdeclarator to handle warn_vla
3587 and handle unnamed array case.
3588 (grokdeclarator): Refactored VLA warning case.
3589 * c.opt (Wvla): New flag.
3590 * doc/invoke.texi (Wvla): New warning.
3592 2007-03-12 Richard Henderson <rth@redhat.com>
3594 * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
3595 (TARGET_SECTION_TYPE_FLAGS): New.
3597 2007-03-12 Richard Henderson <rth@redhat.com>
3599 * config/darwin.c (machopic_reloc_rw_mask): New.
3600 * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
3601 * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
3603 2007-03-12 Mark Mitchell <mark@codesourcery.com>
3605 * cppdefault.c (cpp_EXEC_PREFIX): New variable.
3606 * cppdefault.h (cpp_PREFIX): Document.
3607 (cpp_PREFIX_len): Likewise.
3608 (cpp_EXEC_PREFIX): New variable.
3609 * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
3610 * c-incpath.c (add_standard_paths): Correct logic for relocating
3611 paths within prefix.
3613 2007-03-12 Uros Bizjak <ubizjak@gmail.com>
3615 * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
3616 fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
3618 (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
3619 fix_truncdfdi_sse using SSEMODEF mode macro.
3620 (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
3621 fix_truncdfsi_sse using SSEMODEF mode macro.
3622 (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
3623 (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
3625 2007-03-12 Richard Sandiford <richard@codesourcery.com>
3627 * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
3630 2007-03-12 Olga Golovanevsky <olga@il.ibm.com>
3632 * tree.h : Add multiple_of_p declaration.
3633 * fold-const.c (multiple_of_p): Make multiple_of_p public.
3634 * ipa-type-escape.c (results_of_malloc): Redundant.
3635 (visited_stmts): New. Visited stmt for walk_use_def_chains.
3636 (cast_type): Extended with new members.
3637 (check_cast): Returns cast_type.
3638 (cast): New structure for data of walk_use_def_chains.
3639 (is_malloc_result, is_cast_from_non_pointer_1,
3640 is_cast_from_non_pointer,
3641 is_array_access_through_pointer_and_index): New functions.
3642 (look_for_casts): Returns cast types.
3643 (check_call): Returns void.
3644 (okay_pointer_operation): Use support of pointer plus index,
3645 pointer plus constant and allow all multiplications.
3647 2007-03-11 Richard Guenther <rguenther@suse.de>
3649 PR tree-optimization/31115
3650 * tree-vrp.c (extract_range_from_binary_expr): Make sure
3651 the shift count is positive and non-anti-range for RSHIFT_EXPR.
3652 A shift count of zero is not special as with *_DIV_EXPR.
3653 (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
3656 2007-03-11 Ian Lance Taylor <iant@google.com>
3658 * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
3659 the *_DIV_EXPR codes correctly with overflow infinities.
3661 2007-03-11 Ira Rosen <irar@il.ibm.com>
3663 * tree-data-ref.c (analyze_offset): Add a return value (bool) to
3664 indicate success/failure of the analysis. Add negation to subtrahend
3665 in case of subtraction. Fail if both operands contain constants.
3666 (create_data_ref): Fail if analyze_offset fails.
3668 2007-03-11 Uros Bizjak <ubizjak@gmail.com>
3670 * config/i386/i386.md (frndintxf2): Rename to ...
3671 (rintxf2): ... this. Remove expander having same name.
3672 (rintsf2, rintdf2): Implement using SSEMODEF macro.
3673 (roundsf2, rounddf2): Ditto.
3674 (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
3675 (lround<mode>di2, lround<mode>si2): Ditto.
3677 2007-03-11 Steven Bosscher <steven@gcc.gnu.org>
3679 * lower-subreg.c: Include except.h.
3680 (decompose_multiword_subregs): Verify that the only control flow
3681 insns we can split are loads to multi-words pseudos.
3682 Handle breaking such blocks after splitting, instead of calling
3683 find_many_sub_basic_blocks.
3685 * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
3686 on the new basic block. Add a lengthy comment explaining why we
3687 thought this was necessary.
3688 * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
3690 2007-03-10 Mark Mitchell <mark@codesourcery.com>
3693 * tree.c (walk_type_fields): Recurse into the element type of
3694 ARRAY_TYPEs if there is a pointer set.
3696 2007-03-10 Dirk Mueller <dmueller@suse.de>
3698 * c-common.c (warn_logical_operator): Fix condition.
3700 2007-03-10 Tobias Schlüter <tobi@gcc.gnu.org>
3702 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
3704 * config/darwin.c (machopic_select_section): Remove superfluous
3705 argument in call to categorize_decl_for_section. Remove unused
3708 2007-03-10 Joseph Myers <joseph@codesourcery.com>
3710 * configure.ac (glibc_header_dir): Set using with_build_sysroot if
3712 * configure: Regenerate.
3714 2007-03-10 Uros Bizjak <ubizjak@gmail.com>
3717 * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
3718 (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
3719 (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
3720 Add LABEL_NUSES to emitted label.
3721 * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
3722 branch probability value to emitted jump insn.
3723 * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
3724 Do not check life information and do not re-arrange input operands
3725 for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
3727 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
3729 * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
3730 the change of decode_asm_operands.
3732 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
3734 * mode-switching.c (create_pre_exit): Skip blockage insn.
3736 2007-03-09 Diego Novillo <dnovillo@redhat.com>
3738 * tree-pass.h (TODO_update_smt_usage): Remove.
3740 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
3744 2007-03-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3746 * pa.c (attr_length_call): Revise condition for long pc-relative branch.
3747 (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
3748 calls on the SOM target. Don't use "LONG_PIC_PCREL" call sequence on
3751 2007-03-09 Geoffrey Keating <geoffk@apple.com>
3753 * gcc.c: Document %{, in big comment at top.
3754 (input_suffix_matches): Remove special handling for .s and
3756 (input_spec_matches): New.
3757 (handle_braces): Handle %{,.
3758 (validate_switches): ',' indicates a value which is not a switch.
3759 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
3760 to detect assembler input.
3761 * config/i386/sol2.h (CPP_SPEC): Likewise.
3762 * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
3763 * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
3764 * config/rs6000/lynx.h (ASM_SPEC): Likewise.
3765 * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
3766 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
3767 -m64 causes deployment target to default to 10.5.
3768 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3770 2007-03-09 Richard Henderson <rth@redhat.com>
3773 * target.h (targetm.asm.out.reloc_rw_mask): New.
3774 * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
3775 (TARGET_ASM_OUT): Use it.
3776 * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
3777 * varasm.c (categorize_decl_for_section): Remove shlib argument;
3778 use the new reloc_rw_mask target hook instead.
3779 (default_section_type_flags_1): Merge into...
3780 (default_section_type_flags): ... here.
3781 (decl_readonly_section_1): Merge into...
3782 (decl_readonly_section): ... here.
3783 (default_elf_select_section_1): Merge into...
3784 (default_elf_select_section): ... here.
3785 (default_unique_section_1): Merge into...
3786 (default_unique_section): ... here.
3787 (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
3788 (default_select_rtx_section): Use it.
3789 (default_elf_select_rtx_section): Likewise.
3790 * output.h: Update to match.
3791 * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
3792 * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
3793 (TARGET_ASM_RELOC_RW_MASK): New.
3794 * config/i386/i386.c (x86_64_elf_select_section): Adjust call
3795 to categorize_decl_for_section.
3796 (x86_64_elf_unique_section): Likewise.
3797 * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
3798 TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
3799 (TARGET_ASM_RELOC_RW_MASK): New.
3800 * config/ia64/ia64.c (ia64_rwreloc_select_section,
3801 ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
3802 (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
3803 (TARGET_RWRELOC): Remove.
3804 (ia64_section_type_flags): Adjust call to default_section_type_flags.
3805 * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
3806 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
3807 (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
3808 (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
3809 (rs6000_xcoff_select_section): Use decl_readonly_section.
3810 (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
3811 * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
3812 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
3813 (TARGET_SECTION_TYPE_FLAGS): Remove.
3814 * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
3816 2007-03-09 Roger Sayle <roger@eyesopen.com>
3818 * fold-const.c (fold_comparison): Remove compile-time evaluation of
3819 complex constant equality/inequality comparisons for here.
3820 (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
3821 known at compile-time or can be simplified to a scalar comparison.
3822 (fold_relational_const): Move compile-time evaluation of complex
3823 constant equality/inequality comparisons to here.
3825 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
3827 PR rtl-optimization/30643
3828 * cse.c (cse_insn): Recompute dest_hash after insert_regs for
3830 (fold_rtx): Recurse, like before 2006-11-03.
3832 2007-03-09 DJ Delorie <dj@redhat.com>
3834 * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
3837 2007-03-09 Aldy Hernandez <aldyh@redhat.com>
3839 PR tree-optimization/30375
3840 * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
3841 LHS of statements is not the same.
3842 * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
3844 2007-03-09 Chao-ying Fu <fu@mips.com>
3846 * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
3848 * doc/invoke.texi (-mdspr2): Document new option.
3849 * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
3850 New unspec for DSP REV 2.
3851 (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
3852 these instructions are extended in DSP REV 2.
3853 (mips-dspr2.md): Include.
3854 * config/mips/mips.opt (mdspr2): New option.
3855 * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
3856 MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
3857 MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
3858 (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
3859 (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
3860 (dsp_bdesc): Add DSP REV 2 builtins. Remove 32-bit only DSP builtins.
3861 (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
3863 (bdesc_map): Add one field of unsupported_target_flags.
3864 (bdesc_arrays): Update entries to have extra fields. Add
3866 (mips_init_builtins): Initialize new function types.
3867 Check unsupported_target_fileds to filter out builtins.
3868 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
3870 (ASM_SPEC): Pass mdspr2 to the assembler.
3871 * config/mips/mips-dspr2.md: New file.
3873 2007-03-09 Sa Liu <saliu@de.ibm.com>
3875 * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
3877 2007-03-09 Ian Lance Taylor <iant@google.com>
3879 * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
3880 argument) like -Wstrict-overflow=2.
3881 * doc/invoke.texi (Warning Options): Update documentation.
3883 2007-03-09 Dirk Mueller <dmueller@suse.de>
3886 * doc/invoke.texi (-Wlogical-op): Document.
3887 * common.opt (-Wlogical-op): New.
3888 * c-common.h (warn_logical_operator): Declare.
3889 * c-common.c (warn_logical_operator): Define.
3890 * c-typeck.c (parser_build_binary_op): Call
3891 warn_logical_operator.
3893 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
3895 * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
3896 * final.c (final_scan_insn): Test for non-"" file name.
3898 2007-03-09 Sebastian Pop <sebastian.pop@inria.fr>
3900 * doc/loop.texi: Document the Omega linear constraints solver.
3901 * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
3902 omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
3903 omega-hash-table-size, omega-max-keys, and
3904 omega-eliminate-redundant-constraints.
3905 * tree-pass.h (pass_check_data_deps): Declared.
3908 * timevar.def (TV_CHECK_DATA_DEPS): Declared.
3909 * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
3910 pass_check_data_deps): New.
3911 * tree-data-ref.c (init_data_ref): Remove declaration.
3912 (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
3913 (analyze_array): Renamed init_array_ref, move up initializations.
3914 (init_data_ref): Renamed init_pointer_ref. Moved before its call.
3915 Removed arguments that are set to NULL.
3916 (analyze_indirect_ref): Correct indentation, correct call to
3918 (object_analysis): Call init_array_ref instead of analyze_array.
3919 (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
3920 (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
3921 of DR_ACCESS_FNS_ADDR.
3922 (init_omega_eq_with_af, omega_extract_distance_vectors,
3923 omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
3924 ddr_consistent_p): New.
3925 (compute_affine_dependence): Check consistency of ddrs when
3926 flag_check_data_deps is passed.
3927 (analyze_all_data_dependences): Uncomment.
3928 (tree_check_data_deps): New.
3929 * tree-data-ref.h: Include omega.h.
3930 (DR_ACCESS_FNS_ADDR): Removed.
3931 (data_dependence_relation): Add inner_loop.
3932 (DDR_INNER_LOOP): New.
3933 * common.opt (fcheck-data-deps): New.
3934 * tree-flow.h (tree_check_data_deps): Declare.
3935 * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
3936 (OBJS-common): Depend on omega.o.
3938 * passes.c (pass_check_data_deps): Scheduled.
3939 * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
3940 PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
3941 PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
3942 PARAM_VECT_MAX_VERSION_CHECKS,
3943 PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
3945 2007-03-09 Richard Guenther <rguenther@suse.de>
3947 PR tree-optimization/30904
3949 * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
3950 the same way as *_DIV_EXPR.
3952 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
3954 * recog.c (decode_asm_operands): No mixed declarations and code.
3956 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
3958 * rtl.def (ASM_INPUT): Add location.
3959 * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
3960 (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
3961 (decode_asm_operands): Add loc operand.
3962 (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
3963 * stmt.c (expand_asm): Rename to...
3964 (expand_asm_loc): ... this. Add locus argument. Pass it on to
3965 gen_rtx_ASM_INPUT_loc.
3966 (expand_asm_expr): Adjust.
3967 * recog.c (decode_asm_operands): Add loc operand.
3968 (check_asm_operands, extract_insn): Adjust.
3969 * reload1.c (maybe_fix_stack_asms): Likewise.
3970 * final.c (asm_insn_count): Likewise.
3971 (final_scan_insn): Output # line before and after asm.
3973 2007-03-09 Daniel Berlin <dberlin@dberlin.org>
3975 * tree-ssa-structalias.c (variable_info): Remove
3977 (new_var_info): Ditto.
3978 (shared_bitmap_info_t): New structure.
3979 (shared_bitmap_table): New variable.
3980 (shared_bitmap_hash): New function.
3981 (shared_bitmap_eq): Ditto
3982 (shared_bitmap_lookup): Ditto.
3983 (shared_bitmap_add): Ditto.
3984 (merge_smts_into): Change to take bitmap directly.
3985 (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
3986 (init_alias_vars): Init shared bitmap hashtable.
3987 (delete_points_to_sets): Delete shared bitmap hashtable.
3988 * tree-ssa-operands.c (add_virtual_operand): Partially revert the
3989 is_aliased removal as a change that was still necessary was
3992 2007-03-09 Uros Bizjak <ubizjak@gmail.com>
3994 * config/i386/i386.h (override_options): Conditionally disable
3995 x86_sahf for 64bit targets only.
3997 2007-03-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
4000 * c-decl.c (merge_decls): Don't call make_var_volatile.
4001 * varasm.c (make_var_volatile): Remove.
4002 * output.h (make_var_volatile): Remove.
4004 2007-03-08 Zdenek Dvorak <dvorakz@suse.cz>
4006 PR tree-optimization/31085
4007 * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
4009 2007-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4011 * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
4012 llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
4013 ATTR_CONST_NOTHROW_LIST.
4015 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4018 2007-03-08 Diego Novillo <dnovillo@redhat.com>
4020 * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
4022 2007-03-08 Geoffrey Keating <geoffk@apple.com>
4025 * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
4027 * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
4028 passed, use shared libgcc.
4030 2007-03-08 Roger Sayle <roger@eyesopen.com>
4032 * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
4033 instead of calling build2 with a GIMPLE_MODIFY_STMT.
4034 (honor_protect_cleanup_actions, lower_try_finally_switch):
4036 * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
4037 ifc_temp_var): Likewise.
4038 * tree-inline.c (setup_one_parameter): Likewise.
4039 * tree-mudflap.c (mf_decl_cache_locals,
4040 mf_build_check_statement_for): Likewise.
4041 * tree-nested.c (init_tmp_var, save_tmp_var,
4042 finalize_nesting_tree_1): Likewise.
4043 * tree-outof-ssa.c (insert_copy_on_edge,
4044 insert_backedge_copies): Likewise.
4045 * tree-profile.c (tree_gen_edge_profiler,
4046 tree_gen_ic_profiler): Likewise.
4047 * tree-scalar-evolution.c (scev_const_prop): Likewise.
4048 * tree-sra.c (sra_build_assignment): Likewise.
4049 * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
4050 * tree-ssa-math-opts.c (insert_reciprocals,
4051 execute_cse_sincos_1): Likewise.
4052 * tree-tailcall.c (adjust_accumulator_values,
4053 adjust_return_value): Likewise.
4054 * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
4055 * tree-vect-transform.c (vect_create_data_ref_ptr,
4056 bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
4057 vect_create_epilog_for_reduction, vectorizable_reduction,
4058 vectorizable_call, vectorizable_conversion,
4059 vectorizable_assignment, vectorizable_operation,
4060 vectorizable_type_demotion, vect_gen_widened_results_half,
4061 vect_permute_store_chain, vectorizable_store,
4062 vect_setup_realignment, vect_permute_load_chain,
4063 vectorizable_load, vectorizable_condition,
4064 vect_create_cond_for_align_checks): Likewise.
4065 * tree-vrp.c (build_assert_expr_for): Likewise.
4067 2007-03-08 Ian Lance Taylor <iant@google.com>
4069 * tree-vrp.c: Include "intl.h".
4070 (usable_range_p): New static function.
4071 (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
4072 overflowed values, juts set *strict_overflow_p.
4073 (compare_values): Only return -2 if one of the operands is not a
4075 (compare_ranges): Call usable_range_p.
4076 (compare_range_with_value): Likewise.
4077 (vrp_evaluate_conditional_warnv): Rename from
4078 vrp_evaluate_conditional. Make static. Change all callers.
4079 (vrp_evaluate_conditional): New function.
4080 (simplify_div_or_mod_using_ranges): Issue warning about reliance
4082 (simplify_abs_using_ranges): Likewise.
4083 (simplify_stmt_for_jump_threading): Add within_stmt parameter.
4084 * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
4085 within_stmt parameter.
4086 * tree-ssa-propagate.c (fold_predicate_in): Update call to
4087 vrp_evaluate_conditional.
4088 * tree-ssa-threadedge.c
4089 (record_temporary_equivalences_from_stmts_at_dest): Change
4090 simplify parameter to take a second tree parameter.
4091 (simplify_control_stmt_condition): Likewise.
4092 (thread_across_edge): Likewise.
4093 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4094 (thread_across_edge): Likewise.
4095 * Makefile.in (tree-vrp.o): Depend upon intl.h.
4097 2007-03-08 Uros Bizjak <ubizjak@gmail.com>
4099 * config/i386/i386.h (TARGET_SAHF): New define.
4100 * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
4101 Also enable for m_K8, m_AMDFAM10 and m_CORE2.
4102 (x86_sahf): New global variable.
4103 (override_options): Add PTA_NO_SAHF to pta_flags enum. Recode
4104 pta_flags masks using shifts. Add PTA_NO_SAHF to x86_64 and
4105 nocona processor flags. Set x86_sahf when PTA_NO_SAHF is not set
4106 in processor flags. Do not unconditionally disable TARGET_USE_SAHF
4108 (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
4109 (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
4110 when expanding fcomi/sahf based tests.
4111 (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
4112 expanding sahf based alternative. Emit sahf based sequence when
4113 optimizing for code size.
4114 * config/i386/i386.md (x86_sahf_1): Do not disable for
4115 TARGET_64BIT, enable for TARGET_SAHF.
4117 2007-03-08 Martin Michlmayr <tbm@cyrius.com>
4119 * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
4120 spurious whitespace from error message.
4122 2007-03-08 Volker Reichelt <reichelt@netcologne.de>
4125 * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
4127 2007-03-08 Alexandre Oliva <aoliva@redhat.com>
4129 * c-decl.c (grokdeclarator): Disable warnings for anonymous
4131 * tree-sra.c (instantiate_element): Propagate disabled warnings
4132 from the element itself to the created variable.
4134 2007-03-07 Richard Henderson <rth@redhat.com>
4137 * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
4138 silently fix up the stack in the case of a missing register.
4140 2007-03-07 Paul Brook <paul@codesourcery.com>
4142 * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
4144 2007-03-07 Joseph Myers <joseph@codesourcery.com>
4146 * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
4148 (phase1_vrs): Use them.
4149 (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
4150 (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
4151 __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
4152 (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
4153 __gnu_Unwind_Restore_WMMXC if required.
4154 (_Unwind_VRS_Pop): Implement iWMMXt support.
4155 * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
4156 gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
4157 gnu_Unwind_Save_WMMXC): Define.
4159 2007-03-07 Richard Sandiford <richard@codesourcery.com>
4161 * config/vxworks.h (vxworks_override_options): Declare.
4162 (VXWORKS_OVERRIDE_OPTIONS): Use it.
4163 * config/vxworks.c: Include target.h and toplev.h.
4164 (vxworks_override_options): New function.
4165 * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
4167 2007-03-07 Andreas Krebbel <krebbel1@de.ibm.com>
4169 * config/s390/s390.c (override_options): Don't emit an error when
4170 -mstack-size is used without providing -mstack-guard.
4171 (s390_emit_prologue): Choose stack_guard value automatically if not
4172 provided via command line.
4173 * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
4175 2007-03-07 Richard Sandiford <richard@codesourcery.com>
4177 * config/i386/i386.c (output_set_got): Add a GOT initialization
4178 sequence for VxWorks PIC.
4179 (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
4180 around labels as well as symbols. Use gotoff_operand instead
4181 of local_symbolic_operand.
4182 (legitimize_pic_address): Use gotoff_operand instead of
4183 local_symbolic_operand. Use @GOT accesses for labels as
4185 (ix86_output_addr_diff_elt): Use PC-relative rather than
4186 GP-relative offsets for VxWorks PIC.
4187 (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
4188 no_new_pseudos. Check whether the returned register is op0.
4189 * config/i386/i386.md (tablejump): Use PC-relative rather than
4190 GP-relative offsets for VxWorks PIC.
4191 * config/i386/predicates.md (gotoff_operand): New predicate.
4193 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4195 * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
4197 * config/vxworks-dummy.h: New file.
4198 * config/i386/i386.h: Include it.
4200 2007-03-07 Alexandre Oliva <aoliva@redhat.com>
4202 * dwarf2out.c (is_inlined_entry_point): New
4203 (add_high_low_attributes): Emit DW_AT_entry_pc along with
4204 DW_AT_ranges if the first subblock is the entry point.
4206 2007-03-06 David Daney <ddaney@avtrex.com>
4208 * doc/install.texi (mips-*-*): Change recommended binutils
4211 2007-03-06 Anatoly Sokolov <aesok@post.ru>
4213 * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
4214 ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
4216 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4217 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4219 2007-03-06 Jan Hubicka <jh@suse.cz>
4221 * errors.h (warning, error, fatal, internal_error): Mark as cold.
4222 * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
4224 (probably_cold_bb_p): Cold functions are cold.
4225 (probably_never_executed_bb_p): Cold functions are cold.
4226 (tree_bb_level_predictions): Predict calls to cold functions as not
4228 (compute_function_frequency): Check hot/cold attributes.
4229 * function.h (function_frequency): Update comments.
4230 * predict.def (PRED_COLD_FUNCTION): Predict cold function.
4231 * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
4232 (c_common_att): Add cold and hot.
4234 * doc/extend.texi (hot,cold attributes): Document.
4236 2007-03-06 Andrew Haley <aph@redhat.com>
4238 * function.c (expand_function_end): Move blockage to just after we
4239 emit the label for the naked return from the function.
4241 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4243 * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
4246 2007-03-06 Jan Hubicka <jh@suse.cz>
4248 * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
4249 loaded for constant large models. Non-large 64bit PIC can do.
4250 * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
4251 * cmodel.h: Add LARGE PIC.
4252 * i386.md (UNSPEC_PLTOFF): New.
4253 (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
4255 (*call_1_rex64): Disable for large models.
4256 (*call_1_rex64_large): New.
4257 (*call_value_1_rex64): Disable for large models.
4258 (*call_value_1_rex64_large): New.
4259 (set_rip_rex4): New.
4260 (set_got_offset_rex64): New.
4261 * predicates.md (constant_call_address_operand): For large model
4262 constant calls are not possible.
4263 * i386-protos.h (construct_plt_address): Declare.
4264 * i386.c (override_options): Accept large models.
4265 (ix86_expand_prologue): Expand large PIC GOT pointer load.
4266 (legitimate_constant_p): Add new UNSPECs.
4267 (legitimate_pic_operand_p): Likewise.
4268 (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
4269 (legitimize_pic_address): Do easy RIP relative way for TLS only for
4271 (output_pic_addr_const): Add PLTOFF.
4272 (ix86_output_addr_diff_elt): Output 64bit tables when needed.
4273 (ix86_expand_move): Legitimize pic address when in PIC mode.
4274 (construct_plt_address): New function.
4275 (ix86_expand_call): Offload the address to register and use GOT pointer
4277 * invoke.texi (mcmodel=large): Update documentation.
4279 2007-03-06 Richard Henderson <rth@redhat.com>
4281 * config/i386/i386.c (x86_use_leave, x86_push_memory,
4282 x86_zero_extend_with_and, x86_movx, x86_double_with_add,
4283 x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
4284 x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
4285 x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
4286 x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
4287 x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
4288 x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
4289 x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
4290 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4291 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4292 x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
4293 x86_sse_partial_reg_dependency, x86_sse_split_regs,
4294 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4295 x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
4296 x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
4297 x86_schedule, x86_use_bt, x86_pad_returns,
4298 x86_use_xchgb): Merge into ...
4299 (ix86_tune_features): ... here. New array.
4300 (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4301 x86_bswap): Merge into ...
4302 (ix86_arch_features): ... here. New array.
4303 (x86_3dnow_a): Remove.
4304 (x86_accumulate_outgoing_args): Make static.
4305 (x86_arch_always_fancy_math_387): Make static.
4306 (ix86_tune_mask, ix86_arch_mask): Move ...
4307 (override_options): ... to local variables here. Apply the
4308 appropriate mask to each element of ix86_arch_features and
4309 ix86_tune_features. Adjust TARGET_CMOVE and TARGET_USE_SAHF
4310 as were done in the old macros.
4311 (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
4312 * config/i386/i386.h (x86_use_leave, x86_push_memory,
4313 x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
4314 x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
4315 x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
4316 x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
4317 x86_read_modify_write, x86_read_modify, x86_split_long_moves,
4318 x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
4319 x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
4320 x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
4321 x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
4322 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4323 x86_accumulate_outgoing_args, x86_prologue_using_move,
4324 x86_epilogue_using_move, x86_decompose_lea,
4325 x86_arch_always_fancy_math_387, x86_shift1,
4326 x86_sse_partial_reg_dependency, x86_sse_split_regs,
4327 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4328 x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
4329 x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4330 x86_use_incdec, x86_pad_returns, x86_bswap,
4331 x86_partial_flag_reg_stall): Remove.
4332 (enum ix86_tune_indices): New.
4333 (ix86_tune_features): New.
4334 (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
4335 TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
4336 TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
4337 TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
4338 TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
4339 TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
4340 TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
4341 TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
4342 TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
4343 TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
4344 TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
4345 TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
4346 TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
4347 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
4348 TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
4349 TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
4350 TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
4351 TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
4352 TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
4353 TARGET_EXT_80387_CONSTANTS): Use it.
4354 (enum ix86_arch_indices): New.
4355 (ix86_arch_features): New.
4356 (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
4357 TARGET_BSWAP): Use it.
4358 (ix86_tune_mask, ix86_arch_mask): Remove.
4360 2007-03-06 Joseph Myers <joseph@codesourcery.com>
4363 * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
4364 Define using $${sysroot_headers_suffix}.
4365 * configure: Regenerate.
4366 * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
4367 multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
4369 * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
4370 * gcc.c (print_sysroot_headers_suffix): New.
4371 (option_map): Include --print-sysroot-headers-suffix.
4372 (display_help): Mention -print-sysroot-headers-suffix.
4373 (process_command): Handle -print-sysroot-headers-suffix.
4374 (do_spec_1): Append multilib directory to include-fixed path if
4375 sysroot suffixes in use.
4376 (main): Handle -print-sysroot-headers-suffix.
4377 * Makefile.in (start.encap): Don't depend on xlimits.h
4378 (xlimits.h): Remove.
4379 (stmp-int-hdrs): Don't depend on xlimits.h. Inline generation of
4380 limits.h for each multilib in fixinc_list.
4381 (fixinc_list, s-fixinc_list): New.
4382 (stmp-fixinc): Depend on fixinc_list. If not copying headers,
4383 generate them for each multilib in fixinc_list.
4384 (stmp-fixproto): Use include-fixed. Run fixproto for each
4385 multilib in fixinc_list.
4386 (mostlyclean): Don't remove xlimits.h.
4387 (clean): Remove include-fixed.
4388 (real-install-headers-tar, real-install-headers-cpio,
4389 real-install-headers-cp): Don't copy include, only include-fixed.
4390 (install-mkheaders): Depend on fixinc_list. Don't depend on
4391 xlimits.h. Save limits.h files for each multilib in fixinc_list.
4392 Always save mkinstalldirs. Preserve ${sysroot_headers_suffix} in
4393 SYSTEM_HEADER_DIR setting in mkheaders.conf.
4395 2007-03-06 Jan Hubicka <jh@suse.cz>
4397 * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
4400 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4402 * configure.ac: Allow tm_file to contain build-directory files.
4403 * configure: Regenerate.
4404 * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
4405 * config/m68k/t-uclinux (sysroot-suffix.h): New target.
4406 * config/m68k/print-sysroot-suffix.sh: New file.
4408 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4410 * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
4411 of pic_offset_table_rtx if reload_completed.
4412 (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
4413 PIC_OFFSET_TABLE_REGNUM.
4414 * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
4416 (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
4417 (m68k_output_mi_thunk): Rewrite to use RTL. Honor vcall_offset.
4419 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4421 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
4422 functions that call eh_return.
4424 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4426 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
4427 functions that need a constant pool.
4429 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4432 * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
4433 (m68k_preferred_reload_class): Likewise.
4434 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
4435 (SECONDARY_RELOAD_CLASS): Define.
4436 (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
4437 (LIMIT_RELOAD_CLASS): Delete.
4438 * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
4439 registers from storing bytes.
4440 (m68k_secondary_reload_class): New function.
4441 (m68k_preferred_reload_class): Likewise.
4443 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4445 * config/m68k/m68k.c (m68k_save_reg): Remove special case for
4447 (m68k_expand_prologue): Likewise.
4449 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4451 * config/m68k/m68k-protos.h (output_sibcall): Declare.
4452 (mips_expand_epilogue): Add a bool parameter.
4453 (m68k_legitimize_sibcall_address): Declare.
4454 * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
4455 (m68k_expand_epilogue): Add a parameter to select between sibling
4456 and normal epilogues. Only generate a return for the latter.
4457 (m68k_ok_for_sibcall_p): New function.
4458 (m68k_legitimize_sibcall_address, output_sibcall): New functions.
4459 * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
4460 (sibcall_value, *sibcall_value): Likewise.
4461 (*call, *call_value): Require !SIBLING_CALL_P.
4462 (epilogue): Update call to m68k_expand_epilogue.
4463 (sibcall_epilogue): New pattern.
4464 * config/m68k/predicates.md (const_call_operand): Say that this
4465 predicate applies to sibling calls too.
4466 (sibcall_operand): New predicate.
4468 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4470 * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
4471 alternatives as movsi_cf.
4472 (movsf_cf_hard): Add commentary.
4474 2007-03-06 Kazu Hirata <kazu@codesourcery.com>
4475 Richard Sandiford <richard@codesourcery.com>
4477 * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
4478 (m68k_movem_pattern_p, m68k_output_movem): Likewise.
4479 (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
4480 * config/m68k/m68k.h (EPILOGUE_USES): Define. Treat all registers
4481 as being live on exit from an interrupt function.
4482 (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
4483 * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
4484 (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
4485 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
4486 (m68k_interrupt_function_p): Globalize.
4487 (m68k_compute_frame_layout): Remove reverse mask code.
4488 (m68k_emit_movem, m68k_set_frame_related): New functions.
4489 (m68k_output_function_prologue): Delete in favor of...
4490 (m68k_expand_prologue): ...this new function.
4491 (m68k_output_function_epilogue): Delete in favor of...
4492 (m68k_expand_epilogue): ...this new function.
4493 (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
4495 (print_operand): Handle %?.
4496 * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
4497 (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
4498 (prologue, epilogue): New patterns.
4499 (return): Turn into a define_expand.
4500 (*return): New pattern, derived from old "return" pattern. Use rte
4501 rather than rts for interrupt functions. Only use rtd if the pop
4503 (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
4504 (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
4505 (link, *link, unlink, *unlink, load_got): Likewise.
4507 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4511 * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
4512 (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
4513 (m68k_matches_q_p, m68k_matches_u_p): Likewise.
4514 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
4515 and m68k_matches_u_p.
4516 (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
4517 (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
4518 (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
4519 (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
4520 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
4521 (REG_STRICT_P): New macro.
4522 (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
4523 PCREL_GENERAL_OPERAND_OK.
4524 (REG_OK_FOR_BASE_P): Merge definitions. Use REG_STRICT_P and
4525 m68k_legitimate_base_reg_p.
4526 (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
4527 (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
4528 (PIC_CASE_VECTOR_ADDRESS): Update comment.
4529 * config/m68k/m68k.c (m68k_address): New structure.
4530 (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
4531 (m68k_decompose_index, m68k_legitimate_constant_address_p)
4532 (m68k_jump_table_ref_p, m68k_decompose_address)
4533 (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
4534 (m68k_matches_u_p): New functions.
4535 (print_operand_address): Rewrite to use m68k_decompose_index.
4537 2007-03-05 David Taylor <dtaylor@emc.com>
4539 * gcc.c: Correct copyright date in --version output.
4541 2007-03-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4543 * pa.md: In unamed move patterns, disparge copies between general
4544 and floating point registers using '?' modifier. Don't include 'f'
4545 constraint for register preferences in DImode, SImode, HImode and
4546 QImode patterns. Likewise for 'r' in DFmode and SFmode patterns.
4547 Remove constraints for copies between general and floating registers
4548 in soft-float DFmode pattern.
4549 (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
4553 2007-03-05 Mike Stump <mrs@apple.com>
4555 * c-common.c (targetcm): Add.
4556 * c-opts.c (c_common_handle_option): Handle language specific
4558 * opts.c (handle_option): Verify language for target options, if
4560 * opth-gen.awk: Add CL_LANG_ALL.
4561 * target-def.h (TARGET_HANDLE_C_OPTION): Add.
4562 (TARGETCM_INITIALIZER): Add.
4563 * target.h (struct gcc_targetcm): Add.
4565 * targhooks.c (default_handle_c_option): Add.
4566 * targhooks.h (default_handle_c_option): Add.
4567 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
4569 * config/darwin.opt (iframework): Add.
4570 * config/darwin.h (TARGET_HAS_TARGETCM): Add.
4571 * config/darwin-c.c (handle_c_option): Add.
4572 (TARGET_HANDLE_C_OPTION): Add.
4574 * doc/invoke.texi (Darwin Options): Add -iframework.
4576 2007-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4578 * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
4581 2007-03-05 Ian Lance Taylor <iant@google.com>
4583 * c.opt (fgnu89-inline): New option.
4584 * c-opts.c (c_common_post_options): Set default value for
4586 * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
4587 (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
4589 (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
4590 (grokdeclarator, start_function): Likewise.
4591 * c-cppbuiltin.c (c_cpp_builtins): Define either
4592 __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
4593 * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
4594 (C Dialect Options): Document -fgnu89-inline.
4595 * doc/extend.texi (Function Attributes): Explain what the
4596 gnu_inline attribute does.
4597 * doc/cpp.texi (Common Predefined Macros): Document
4598 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
4600 2007-03-05 Ian Lance Taylor <iant@google.com>
4602 PR tree-optimization/31034
4603 * tree-vrp.c (extract_range_from_assert): Don't try to handle a
4604 half-range if the other side is an overflow infinity.
4606 2007-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
4608 * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
4609 (bfin*-linux-uclibc*): New configuration.
4610 * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
4612 * config/bfin/linux.h: New file.
4613 * config/bfin/libgcc-bfin.ver: New file.
4614 * config/bfin/t-bfin-uclinux: New file.
4615 * config/bfin/t-bfin-linux: New file.
4616 * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
4617 (TARGET_OS_CPP_BUILTINS): New macro.
4619 2007-03-05 Richard Guenther <rguenther@suse.de>
4621 * fold-const.c (fold_binary): Remove duplicate folding
4622 of comparison of non-null ADDR_EXPR against null.
4624 2007-03-05 Richard Guenther <rguenther@suse.de>
4625 Dorit Nuzman <dorit@il.ibm.com>
4627 PR tree-optimization/26420
4628 * tree-vectorizer.c (vectorize_loops): Bail out early if there
4629 are no loops in the function. Only print the number of
4630 vectorized loops if it is greater than zero or we are supposed
4631 to print information about unvectorized loops.
4633 2007-03-05 Revital Eres <eres@il.ibm.com>
4635 * gcc.dg/var-expand1.c: New test.
4636 * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
4637 when an accumulator is expanded.
4639 2007-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4642 * c-common.c (convert_and_check): Don't give warnings for
4643 conversion if 'expr' already overflowed.
4645 2007-03-04 Roger Sayle <roger@eyesopen.com>
4648 * fold-const.c (fold_comparison): Enforce type consistency when
4649 transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
4651 2007-03-04 Zdenek Dvorak <dvorakz@suse.cz>
4653 * tree-ssa-address.c (create_mem_ref): Do not put an expression
4654 containing a cast to the base of TARGET_MEM_REF.
4656 2007-03-04 Martin Michlmayr <tbm@cyrius.com>
4658 * tree.c (tree_contains_struct_check_failed): Remove spurious
4659 whitespace from error message.
4661 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
4664 * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
4665 instead of precision.
4667 2007-03-04 Roman Zippel <zippel@linux-m68k.org>
4668 Nathan Sidwell <nathan@codesourcery.com>
4670 * emit-rtl.c (find_auto_inc): New.
4671 (try_split): recreate REG_INC notes,
4672 Use regular for loops rather than whiles.
4674 2007-03-03 Andreas Schwab <schwab@suse.de>
4676 * configure.ac (HAVE_AS_REL16): Move test back to correct place.
4677 * configure: Regenerate.
4679 2007-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4681 * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
4682 flag_rounding_math, not flag_unsafe_math_optimizations.
4684 * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
4686 * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
4687 alpha_fold_vector_minmax): Likewise.
4688 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
4689 * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
4691 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
4693 * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
4694 (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
4695 if the lhs has side-effects.
4696 <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
4698 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
4700 * config/i386/i386.h (TUNEMASK): Remove define.
4701 (ARCHMASK): Remove define.
4702 (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
4703 Use ix86_arch_mask variable instead of ARCHMASK.
4704 * config/i386/i386.c (override_options): Ditto.
4705 (standard_80387_constant_p): Ditto.
4707 2007-03-02 Ian Lance Taylor <iant@google.com>
4709 Used signed infinities in VRP.
4710 * tree-vrp.c (uses_overflow_infinity): New static function.
4711 (supports_overflow_infinity): New static function.
4712 (make_overflow_infinity): New static function.
4713 (negative_overflow_infinity): New static function.
4714 (positive_overflow_infinity): New static function.
4715 (is_negative_overflow_infinity): New static function.
4716 (is_positive_overflow_infinity): New static function.
4717 (is_overflow_infinity): New static function.
4718 (overflow_infinity_range_p): New static function.
4719 (compare_values_warnv): New function split out of compare_values.
4720 (compare_value): Call it.
4721 (set_value_range_to_nonnegative): Add overflow_infinity
4722 parameter. Change caller.
4723 (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
4725 (vrp_expr_computes_nonzero): Likewise.
4726 (compare_ranges, compare_range_with_value): Likewise.
4727 (compare_name_with_value, compare_names): Likewise.
4728 (vrp_evaluate_conditional): Likewise.
4729 (set_value_range): Handle infinity
4730 (vrp_operand_equal_p, operand_less_p): Likewise.
4731 (extract_range_from_assert): Likewise.
4732 (vrp_int_const_binop): Likewise.
4733 (extract_range_from_binary_expr): Likewise.
4734 (extract_range_from_unary_expr): Likewise.
4735 (extract_range_from_comparison): Likewise.
4736 (extract_range_from_expr): Likewise.
4737 (dump_value_range): Likewise.
4738 (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
4739 (test_for_singularity): Likewise.
4740 (vrp_int_const_binop): Remove inline qualifier.
4741 (adjust_range_with_scev): Add comment.
4742 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4744 2007-03-02 Diego Novillo <dnovillo@redhat.com>
4746 * tree-ssa-structalias.c (could_have_pointers): Tidy.
4747 (get_constraint_for): Likewise.
4748 (do_structure_copy): Likewise.
4749 (find_func_aliases): Fix references to MODIFY_EXPR.
4750 (intra_create_variable_infos): Tidy.
4751 * tree-ssa-operands.c (add_virtual_operand): Add argument
4753 When adding members of alias sets, if IS_CALL_SITE is true and
4754 the symbol is not call-clobbered, skip it.
4757 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
4759 * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
4760 entry by means of emit_insn_at_entry.
4762 2007-03-02 Richard Henderson <rth@redhat.com>
4764 * expr.h (promoted_input_arg): Remove decl.
4765 * function.c (promoted_input_arg): Merge into ...
4766 * combine.c (setup_incoming_promotions): ... only caller.
4767 Rearrange to avoid double loop.
4769 2007-03-02 Ben Elliston <bje@au.ibm.com>
4770 Peter Bergner <bergner@vnet.ibm.com>
4771 Janis Johnson <janis187@us.ibm.com>
4773 * config/rs6000/dfp.md: New file.
4774 * config/rs6000/rs6000.md: Include dfp.md.
4775 (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
4776 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
4777 and TDmode decimal float modes in FP registers.
4778 (num_insns_constant): Likewise.
4779 (rs6000_legitimate_offset_address_p): Likewise.
4780 (rs6000_legitimize_address): Likewise.
4781 (rs6000_legitimize_reload_address): Likewise.
4782 (rs6000_legitimate_address): Likewise.
4783 (rs6000_emit_move): Likewise.
4784 (function_arg_boundary): Likewise.
4785 (function_arg_advance): Likewise.
4786 (rs6000_darwin64_record_arg_recurse): Likewise.
4787 (function_arg): Likewise.
4788 (rs6000_gimplify_va_arg): Likewise.
4789 (rs6000_split_multireg_move): Likewise.
4790 (rs6000_output_function_epilogue): Likewise.
4791 (rs6000_output_function_epilogue): Likewise.
4792 (rs6000_register_move_cost): Likewise.
4793 (rs6000_function_value): Likewise.
4794 (rs6000_libcall_value): Likewise.
4796 2007-03-02 Richard Sandiford <richard@codesourcery.com>
4798 * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
4800 2007-03-02 Richard Sandiford <richard@codesourcery.com>
4802 * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
4803 Use $MULTIDIR to choose between the kernel and RTP headers,
4804 and use $WIND_BASE and $WIND_USR to locate them.
4806 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
4808 * config/i386/i386.c (override_options): Put initialization of
4809 ix86_tune_mask and ix86_arch_mask to the correct place.
4811 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
4812 Michael Meissner <michael.meissner@amd.com>
4815 * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
4817 (TARGET_CMOVE): Use ARCHMASK.
4818 (TARGET_CMPXCHG): Ditto.
4819 (TARGET_CMPXCHG8B): Ditto.
4820 (TARGET_XADD): Ditto.
4821 (TARGET_BSWAP): Ditto.
4822 * config/i386/i386.c (ix86_tune_mask): New global variable.
4823 (ix86_arch_mask): Ditto.
4824 (override_options): Initialize ix86_tune_mask and
4825 ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
4828 2007-03-02 Ben Elliston <bje@au.ibm.com>
4831 * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
4833 2007-03-02 Joseph Myers <joseph@codesourcery.com>
4835 * target.h (init_dwarf_reg_sizes_extra): New target hook.
4836 * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
4837 * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
4838 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
4840 * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
4841 rs6000_init_dwarf_reg_sizes_extra): New.
4842 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
4843 SPE register high parts.
4845 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
4847 * Makefile.in: Add install-pdf target as
4848 copied from automake v1.10 rules.
4849 * configure.ac: Add install-pdf to target list.
4850 * configure: Regenerate.
4852 2007-03-01 Paul Brook <paul@codesourcery.com>
4854 * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
4855 modes to LDRD for DImode.
4856 (output_move_double): Fixup out of range ldrd/strd.
4857 (vfp_secondary_reload_class): Rename...
4858 (coproc_secondary_reload_class): ... to this. Add wb argument.
4859 * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
4860 coproc_secondary_reload_class for CLASS_IWMMXT.
4861 (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
4862 * arm-protos.h (coproc_secondary_reload_class): Update prototype.
4864 2007-03-01 Zdenek Dvorak <dvorakz@suse.cz>
4866 * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the unroll
4867 factor by the estimated number of iterations.
4868 (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
4871 * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
4872 decode_caches_intel, detect_caches_intel): New functions.
4873 (host_detect_local_cpu): Use detect_caches_amd and
4874 detect_caches_intel.
4876 2007-03-01 Richard Henderson <rth@redhat.com>
4878 * expr.c (emit_move_complex_push): Export.
4879 (emit_move_complex_parts): Split out from ...
4880 (emit_move_complex): ... here.
4881 * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
4882 * config/i386/i386.md (movcdi): New.
4884 2007-03-01 Uros Bizjak <ubizjak@gmail.com>
4886 * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
4887 size of mode1 to check for tieable modes in MMX case.
4889 2007-03-01 Richard Sandiford <richard@codesourcery.com>
4891 * Makefile.in (rtlanal.o): Depend on tree.h.
4892 * rtl.h (offset_within_section_p, split_const): Declare.
4893 * rtlanal.c: Include tree.h.
4894 (offset_within_block_p): New function, taken from
4895 mips_offset_within_object_p.
4896 (split_const): New function, taken from mips_split_const.
4897 * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
4899 * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
4900 (CONSTANT_ADDRESS_P): Only accept legitimate constants.
4901 (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
4902 * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
4903 (m68k_illegitimate_symbolic_constant_p): New function.
4904 * config/m68k/m68k.md (movsi): Remove misleading predicates.
4905 If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
4906 symbolic constant that might be outside the symbol's section,
4907 move the symbol first and then add the offset.
4908 * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
4910 * config/mips/mips.c (mips_split_const): Delete.
4911 (mips_offset_within_object_p): Delete.
4912 (mips_symbolic_constant_p): Use offset_within_section_p and
4913 split_const instead of mips_offset_within_object_p and
4915 (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
4916 (mips_legitimize_const_move, print_operand_reloc)
4917 (mips_dangerous_for_la25_p): Use split_const instead of
4920 2007-02-28 Eric Christopher <echristo@apple.com>
4922 * Makefile.in (install-include-dir): Don't rm -rf include.
4924 2007-02-28 Richard Guenther <rguenther@suse.de>
4927 * fold-const.c (fold_binary): Do not associate expressions
4928 with more than one variable for integer types that do not wrap.
4930 2007-02-28 Sandra Loosemore <sandra@codesourcery.com>
4932 * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
4933 Delete, and replace with...
4934 (fold_builtin_call_array): This. Update callers to use it.
4935 * fold-const.c (fold_build_call_list): Delete, and replace with...
4936 (fold_build_call_array): This.
4937 (fold_build_call_list_initializer): Delete, and replace with...
4938 (fold_build_call_array_initializer): This.
4939 * tree.h: Update declarations to reflect above changes.
4941 * c-typeck.c (build_function_call): Store converted arguments
4942 in a stack-allocated array instead of building a list.
4943 (convert_arguments): Store arguments in the array passed in as an
4944 argument, and return the actual number of arguments.
4945 * c-format.c: (check_function_format): Pass arguments in an
4946 array instead of a list.
4947 * c-common.c (check_function_nonnull): Likewise.
4948 (check_function_sentinel): Likewise.
4949 (check_function_arguments): Likewise.
4950 * c-common.h: Update declarations to reflect above changes.
4952 2007-02-28 Jan Hubicka <jh@suse.cz>
4954 * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
4955 PRED_NEGATIVE_RETURN): Update outcomes.
4957 2007-02-28 Bernd Schmidt <bernd.schmidt@analog.com>
4959 * calls.c (emit_library_call_value_1): Handle partial registers
4960 correctly when building up CALL_INSN_FUNCTION_USAGE.
4962 2007-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4964 * pa/predicates.md (move_src_operand): Allow zero for mode.
4965 * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
4968 2007-02-27 Uros Bizjak <ubizjak@gmail.com>
4971 * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
4972 *movv2df_internal): Enable pattern only for valid operand
4974 * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
4975 tie only 128bit modes. For MMX registers, tie only 64bit modes.
4977 2007-02-27 Mike Stump <mrs@apple.com>
4979 * config/darwin-crt3.c: Avoid compilation when compiling for a
4982 2007-02-27 Joseph Myers <joseph@codesourcery.com>
4984 * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
4986 (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
4987 for fixed headers and limits.h.
4988 (install-include-dir, install-headers-tar, install-headers-cpio,
4989 install-headers-cp, real-install-headers-tar,
4990 real-install-headers-cpio, real-install-headers-cp): Handle
4991 include-fixed as well as include.
4992 (install-mkheaders): Don't install files that go only in include
4994 * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
4995 from GCC_INCLUDE_DIR.
4996 * gcc.c (process_command): Remove special -BstageN/ handling.
4997 (do_spec_1): Add include-fixed directories.
4999 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
5001 * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
5003 * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
5005 * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
5008 2007-02-27 Mark Mitchell <mark@codesourcery.com>
5010 * c-common.c (get_priority): Add check for
5011 SUPPORTS_INIT_PRIORITY.
5013 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
5015 * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
5017 * config/bfin/bfin.c: Include "cfglayout.h".
5018 (MAX_LSETUP_DISTANCE): New macro.
5019 (struct loop_info): New members incoming, incoming_src and
5020 incoming_dest. Delete member predecessor.
5021 (length_for_loop): New function.
5022 (bfin_optimize_loop): Handle more different loop structures.
5023 (bfin_discover_loop): Rework detection of predecessor blocks by
5024 examining incoming edges.
5025 (bfin_discover_loops, bfin_free_loops): New functions, broken out of
5027 (bfin_reorder_loops): New function.
5028 (bfin_reorg_loops): Use these three new functions.
5030 * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
5031 REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
5032 (CONSTRAINT_LEN): Add entry for 'q'.
5033 (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
5034 Add 'q' constraints.
5035 (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
5036 (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
5038 * config/bfin/bfin.md (add_with_carry): New pattern.
5039 (s_or_u, su_optab, su_modifier): New code macros/attrs.
5040 (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
5041 <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
5042 support unsigned multiplies too. Removed incorrect commutativity from
5043 operand 1 constraint where appropriate.
5044 (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
5046 (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
5047 <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
5049 (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
5050 usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
5051 usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
5052 usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
5053 usmulhisi_hh_huh): New patterns.
5055 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
5056 lshifthi3): Fix output template to use half reg for operand 2.
5058 * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
5061 * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
5063 2007-02-27 Andreas Schwab <schwab@suse.de>
5065 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
5067 2007-02-27 Jan Hubicka <jh@suse.cz>
5069 * predict.c (last_basic_block_p): Remove.
5070 (tree_estimate_probability): Update return heuristic for commonized
5073 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
5075 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
5077 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
5079 * doc/include/gcc-common.texi (versionsubtitle): New macro.
5080 * doc/cpp.texi: Standardize title page.
5081 * doc/cppinternals.texi: Likewise.
5082 * doc/gcc.texi: Standardize title page, remove version number
5083 from copyright page.
5084 * doc/gccint.texi: Likewise.
5085 * doc/install.texi: Standardize title page, add table of
5088 2007-02-26 Jan Hubicka <jh@suse.cz>
5090 * predict.def: Set outcomes according to more recent results.
5091 (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
5092 Remove dead predictors.
5093 * predict.c (return_prediction): Fix pasto.
5095 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
5097 * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
5098 change; avoid a memory leak when returning early.
5100 2007-02-26 Mark Mitchell <mark@codesourcery.com>
5102 * c-decl.c (static_ctors): Move to c-common.c.
5103 (static_dtors): Likewise.
5104 (finish_function): Use c_record_cdtor_fn.
5105 (build_cdtor): Move to c-common.c.
5106 (c_write_global_declarations): Use c_build_cdtor_fns.
5107 * c-common.h (static_ctors): Declare.
5108 (static_dtors): Likewise.
5109 (c_record_cdtor_fn): Likewise.
5110 (c_build_cdtor_fns): Likewise.
5111 * c-common.c (static_ctors): New variable.
5112 (static_dtors): Likewise.
5113 (c_record_cdtor_fn): New function.
5114 (build_cdtor): Move from c-decl.c
5115 (c_build_cdtor_fns): New function.
5117 * output.h (assemble_addr_to_section): Declare.
5118 (get_cdtor_priority_section): Likewise.
5119 * varasm.c (assemble_addr_to_section): New function.
5120 (get_cdtor_priority_section): Likewise.
5121 (default_named_section_asm_out_destructor): Use them.
5122 (destor_dtor_section_asm_out_destructor): Likewise.
5123 (default_named_section_asm_out_constructor): Likewise.
5124 (default_ctor_section_asm_out_constructor): Likewise.
5125 * config.gcc (*-*-vxworks*): Include vxworks.o.
5126 * config/t-vxworks (vxworks.o): New target.
5127 * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
5128 (TARGET_ASM_CONSTRUCTOR): Define.
5129 (TARGET_ASM_DESTRUCTOR): Likewise.
5130 (vxworks_asm_out_constructor): Declare.
5131 (vxworks_asm_out_destructor): Likewise.
5133 * c-common.c (get_priority): Check that we have not just an
5134 INTEGER_CST, but an integer constant with integeral type.
5136 2007-02-25 Uros Bizjak <ubizjak@gmail.com>
5138 PR tree-optimization/30938
5139 * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
5140 use &dt[nargs-1] instead of &dt[nargs] in the call to
5141 vect_is_simple_use().
5143 2007-02-25 Ulrich Weigand <uweigand@de.ibm.com>
5145 * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
5146 from register elimination as PRE_MODIFY / POST_MODIFY increments.
5147 Do not attempt to handle MEM inside auto-inc expressions.
5148 * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
5149 of a register modified by an auto-inc expression. However, do handle
5150 elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
5151 (elimination_effects): Prohibit elimination of a register modified
5152 by an auto-inc expression. Disable register elimination rules whose
5153 target register is modified by an auto-inc expression with variable
5156 2007-02-25 Zdenek Dvorak <dvorakz@suse.cz>
5158 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
5160 (array_at_struct_end_p): New function.
5161 (idx_infer_loop_bounds): Use it.
5162 (estimate_numbers_of_iterations_loop): Export.
5163 * predict.c (predict_loops): Use estimated_loop_iterations_int.
5164 Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
5165 (tree_estimate_probability): Call record_loop_exits.
5166 * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
5167 (estimated_loop_iterations, estimated_loop_iterations_int,
5168 estimated_loop_iterations_tree): New functions.
5169 (analyze_siv_subscript_cst_affine,
5170 compute_overlap_steps_for_affine_1_2,
5171 analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
5172 (analyze_miv_subscript): Use estimated_loop_iterations_tree.
5173 * predict.def (PRED_LOOP_ITERATIONS): Update comment.
5174 (PRED_LOOP_ITERATIONS_GUESSED): New.
5175 * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
5176 * cfgloop.h (estimate_numbers_of_iterations_loop,
5177 estimated_loop_iterations_int): Declare.
5179 2007-02-25 Mark Mitchell <mark@codesourcery.com>
5181 * doc/extend.texi: Document optional priority argument to
5182 constructors and destructors.
5183 * tree.c (init_priority_for_decl): Adjust GTY markers.
5184 (init_ttree): Use priority-info hash functions for
5185 init_priority_for_decl.
5186 (tree_map_eq): Rename to ...
5187 (tree_map_base_eq): ... this.
5188 (tree_map_marked_p): Rename to ...
5189 (tree_map_base_marked_p): ... this.
5190 (tree_map_base_hash): New function.
5191 (decl_init_priority_lookup): Rework.
5192 (decl_fini_priority_lookup): New function.
5193 (decl_priority_info): New function.
5194 (decl_init_priority_insert): Use it.
5195 (decl_fini_priority_insert): Likewise.
5196 (decl_restrict_base_lookup): Adjust for refactoring of tree_map
5198 (decl_restrict_base_insert): Likewise.
5199 (decl_debug_expr_insert): Likewise.
5200 (decl_value_expr_lookup): Likewise.
5201 (decl_value_expr_insert): Likewise.
5202 * tree.h (priority_type): New type.
5203 (decl_init_priority_lookup): Use priority_type.
5204 (decl_fini_priority_lookup): New function.
5205 (decl_init_priority_insert): Use priority_type.
5206 (decl_fini_priority_insert): New function.
5207 (DECL_HAS_INIT_PRIORITY): Tweak comments.
5208 (DECL_INIT_PRIORITY): Likewise.
5209 (SET_DECL_INIT_PRIORITY): Add comment.
5210 (DECL_FINI_PRIORITY): New macro.
5211 (SET_DECL_FINI_PRIORITY): Likewise.
5212 (DEFAULT_INIT_PRIORITY): Document.
5213 (MAX_INIT_PRIORITY): Likewise.
5214 (MAX_RESERVED_INIT_PRIORITY): Likewise.
5215 (tree_map_base): New type.
5216 (tree_map_base_eq): New function.
5217 (tree_map_base_hash): Likewise.
5218 (tree_map_base_marked_p): Likewise.
5219 (tree_map): Inherit from tree_map_base.
5220 (tree_map_eq): Make it a macro.
5221 (tree_map_marked_p): Likewise.
5222 (tree_int_map): Inherit from tree_map_base.
5223 (tree_int_map_eq): Make it a macro.
5224 (tree_int_map_hash): Likewise.
5225 (tree_int_map_marked_p): Likewise.
5226 (tree_priority_map): New type.
5227 (tree_priority_map_eq): New macro.
5228 (tree_priority_map_hash): Likewise.
5229 (tree_priority_map_marked_p): Likewise.
5230 * varasm.c (emults_decl): Adjust for refactoring of tree_map
5232 (emutls_common_1): Likewise.
5233 * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
5234 * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
5235 of tree_map hierarchy.
5236 * tree-cfg.c (move_stmt_r): Likewise.
5237 (new_label_mapper): Likewise.
5238 * c-tree.h (c_expand_body): Move to ...
5239 * c-common.h (c_expand_body): ... here.
5240 * c-decl.c (c_expand_body): Move to ...
5241 * c-common.c (c_expand_body): ... here.
5242 (c_common_attribute_table): Allow 1 argument for the constructor
5243 and destructor attributes.
5244 (get_priority): New function.
5245 (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
5246 (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
5248 2007-02-24 Jan Hubicka <jh@suse.cz>
5251 * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
5253 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
5254 Jan Hubicka <jh@suse.cz>
5257 * i386.c (counter_mode): New function.
5258 (expand_set_or_movmem_via_loop): Use it.
5259 (expand_movmem_epilogue): Likewise; fix pasto.
5260 (ix86_expand_movmem): Do emit guard even for constant counts.
5261 (ix86_expand_setmem): Likewise.
5263 2007-02-25 Nick Clifton <nickc@redhat.com>
5265 * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
5266 (JUMP_TABLES_IN_TEXT_SECTION): Define.
5268 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
5271 * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
5272 count argument with 0x10, not with 0x16.
5273 (expand_setmem_epilogue): Ditto.
5275 2007-02-24 Mike Stump <mrs@apple.com>
5277 * config/i386/i386.c (output_pic_addr_const): Stubify optimized
5280 2007-02-24 Richard Guenther <rguenther@suse.de>
5283 * fold-const.c (fold_binary): Fold x +- CST op x for
5284 EQ_EXPR and NE_EXPR.
5286 2007-02-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5288 * pa.md (muldi3): Force subregs to registers in 64-bit expander.
5290 2007-02-24 Jan Hubicka <jh@suse.cz>
5292 * cgraphunit.c (decide_is_function_needed): Honor
5293 -fkeep-inline-functions.
5295 2007-02-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5297 * builtins.c (fold_builtin_modf): New.
5298 (fold_builtin_2): Use it.
5300 2007-02-24 Bernd Schmidt <bernd.schmidt@analog.com>
5302 * loop-iv.c (implies_p): Detect additional cases where A implies B.
5303 (determine_max_iter): Take additional LOOP arg; all callers changed.
5304 Lose broken logic dealing with PLUS. Try to limit the upper bound by
5305 one using simplifications.
5306 (simplify_using_initial_values): Return if the expression becomes
5307 invalid due to altered regs.
5309 2007-02-23 DJ Delorie <dj@redhat.com>
5311 * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
5313 2007-02-23 Mike Stump <mrs@apple.com>
5315 * tlink.c (scan_linker_output): Parse linker messages from
5316 darwin9's linker better.
5318 2007-02-23 Steve Ellcey <sje@cup.hp.com>
5321 * varpool.c (varpool_assemble_pending_decls): Set
5322 varpool_last_needed_node to null.
5324 2007-02-23 DJ Delorie <dj@redhat.com>
5326 * config/i386/i386.c (ix86_data_alignment): Don't specify an
5327 alignment bigger than the object file can handle.
5329 2007-02-23 Uros Bizjak <ubizjak@gmail.com>
5332 * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
5333 zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
5334 (*movsf_1): Penalize MMX moves.
5336 2007-02-23 Bernd Schmidt <bernd.schmidt@analog.com>
5338 * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
5339 2^32-1 or more times unless flag_unsafe_loop_optimizations.
5341 * loop-iv.c (determine_max_iter): Moved in front of its sole user.
5343 2007-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5345 * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
5346 (fold_builtin_1): Use them.
5347 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
5348 BUILT_IN_SIGNIFICAND.
5350 2007-02-23 H.J. Lu <hongjiu.lu@intel.com>
5352 * config/i386/i386.c (bdesc_1arg): Initialize
5353 IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
5354 "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
5355 (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
5356 and IX86_BUILTIN_MOVSLDUP.
5358 2007-02-22 Paolo Bonzini <bonzini@gnu.org>
5360 PR rtl-optimization/30841
5361 * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
5363 2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5365 * builtins.c (fold_builtin_frexp): New.
5366 (fold_builtin_2): Use it.
5368 2007-02-22 Mark Mitchell <mark@codesourcery.com>
5370 * doc/invoke.texi (Spec Files): Document getenv spec function.
5372 * gcc.c (getenv_spec_function): New function.
5373 (static_spec_functions): Add it.
5374 * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
5375 (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
5378 2007-02-22 Michael Matz <matz@suse.de
5381 * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
5382 (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
5384 2007-02-22 Ian Lance Taylor <iant@google.com>
5387 * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
5388 (mem_loc_descriptor): Call it.
5390 2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
5391 Ira Rosen <irar@il.ibm.com>
5393 * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
5395 2007-02-22 Ira Rosen <irar@il.ibm.com>
5397 PR tree-optimization/30843
5398 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
5399 stores only after all the group is vectorized.
5401 2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
5403 PR tree-optimization/30858
5404 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
5405 in the reduction cycle have a single use in the loop.
5406 * tree-vectorizer.h (relevant): Add documentation.
5408 2007-02-20 Mike Stump <mrs@apple.com>
5410 * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
5411 * configure: Regenerate.
5413 2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
5415 Change the defaults of some parameters and options.
5416 * config/spu/spu-protos.h (spu_optimization_options): Declare.
5417 * config/spu/spu.c (spu_optimization_options): Add.
5418 (spu_override_options): Change params in spu_optimization_options.
5419 * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
5421 Register 127 is only 16 byte aligned when used as a frame pointer.
5422 * config/spu/spu-protos.h (spu_init_expanders): Declare.
5423 * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
5424 HARD_FRAME_POINTER_REGNUM.
5425 (spu_legitimate_address): Use regno_aligned_for_reload.
5426 (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
5427 aligned when frame_pointer_needed is true.
5428 (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
5430 * config/spu/spu.h (INIT_EXPANDERS): Define.
5432 Make sure shift and rotate instructions have valid immediate operands.
5433 * config/spu/predicates.md (spu_shift_operand): Remove.
5434 * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
5435 * config/spu/constraints.md (W, O): Extend range.
5436 * config/spu/spu.md (umask, nmask): Define.
5437 (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
5438 lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
5439 rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
5440 rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
5441 spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
5442 (lshr<mode>3_reg): Fix rtl description.
5444 Make sure mulhisi immediate operands are valid.
5445 * config/spu/predicates.md (imm_K_operand): Add.
5446 * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
5448 Generate constants using fsmbi and andi.
5449 * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
5450 (print_operand, spu_split_immediate, classify_immediate,
5451 fsmbi_const_p): Handle IC_FSMBI2.
5453 Correctly handle a CONST_VECTOR containing symbols.
5454 * config/spu/spu.c (print_operand): Handle HIGH correctly.
5455 (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
5456 (immediate_load_p): Allow symbols that use 2 instructions to create.
5457 (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
5458 with symbols when flag_pic is set.
5459 (const_vector_immediate_p): New.
5460 (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
5461 accept a CONST_VECTOR with symbols.
5462 (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
5463 accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
5465 * config/spu/spu.md (high, low): Delete.
5466 (low_<mode>): Define.
5468 Remove INTRmode and INTR_REGNUM, which didn't work.
5469 * config/spu/spu.c (spu_conditional_register_usage): Remove reference
5471 * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
5472 set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
5473 peephole2 pattern): Don't use INTR or 131.
5474 (movintrcc): Delete.
5475 * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
5476 CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
5477 * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
5478 (UNSPEC_SET_INTR): Add.
5479 * config/spu/spu-modes.def (INTR): Remove.
5481 More accurate warnings about run-time relocations.
5482 * config/spu/spu.c (reloc_diagnostic): Test in_section.
5484 Correctly warn about immediate arguments to specific intrinsics.
5485 * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
5486 (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
5487 the instruction predicate.
5489 Fix tree check errors with latest update.
5490 * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
5492 (spu_expand_builtin): Use CALL_EXPR_FN.
5494 Add missing specific intrinsics.
5495 * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
5497 * config/spu/spu_internals.h: Ditto.
5499 Fix incorrect operand modifiers.
5500 * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
5501 * config/spu/spu.md (xor<mode>3): Change %S to %J.
5503 Optimize one case of zero_extend of a vec_select.
5504 * config/spu/spu.md (_vec_extractv8hi_ze): Add.
5506 Accept any immediate for hbr.
5507 * config/spu/spu.md (hbr): Change s constraints to i.
5509 2007-02-21 Paul Brook <paul@codesourcery.com>
5511 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
5512 condexec_count when skipping USE and CLOBBER.
5514 2007-02-21 Nick Clifton <nickc@redhat.com>
5516 * common.opt (Warray-bounds): Add Warning attribute.
5517 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
5519 (fsized-zeroes): Add Optimization attribute.
5520 (fsplit-wide-types, ftree-scev-cprop): Likewise.
5521 * c.opt (Wc++0x-compat): Add Warning attribute.
5523 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
5526 * reload1.c (eliminate_regs_in_insn): In the single_set special
5527 case, attempt to re-recognize the insn before falling back to
5528 having reload fix it up.
5530 2007-02-20 Eric Christopher <echristo@gmail.com>
5532 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
5533 Rewrite accordingly.
5534 (frv_read_iacc_argument): Ditto.
5535 (frv_expand_set_builtin): Take a call instead of arglist, update for
5537 (frv_expand_unop_builtin): Ditto.
5538 (frv_expand_binop_builtin): Ditto.
5539 (frv_expand_cut_builtin): Ditto.
5540 (frv_expand_binopimm_builtin): Ditto.
5541 (frv_expand_voidbinop_builtin): Ditto.
5542 (frv_expand_int_void2arg): Ditto.
5543 (frv_expand_prefetches): Ditto.
5544 (frv_expand_voidtriop_builtin): Ditto.
5545 (frv_expand_voidaccop_builtin): Ditto.
5546 (frv_expand_load_builtin): Ditto.
5547 (frv_expand_store_builtin): Ditto.
5548 (frv_expand_mdpackh_builtin): Ditto.
5549 (frv_expand_mclracc_builtin): Ditto.
5550 (frv_expand_mrdacc_builtin): Ditto.
5551 (frv_expand_mwtacc_builtin): Ditto.
5552 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
5555 2007-02-20 Janis Johnson <janis187@us.ibm.com>
5557 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
5558 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
5560 (HAVE_GAS_DFP): Check for assembler support of decimal floating
5562 * configure: Regenerate.
5563 * config.in: Regenerate.
5564 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
5565 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
5566 masks to power6 and power6x and to POWERPC_MASKS.
5567 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5569 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
5570 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
5571 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
5572 Access PROTOTYPE as variable, not mask.
5574 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
5576 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
5577 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
5578 * combine.c (adjust_for_new_dest): Use it.
5579 * postreload.c (reload_combine): Likewise.
5581 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
5583 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
5584 notes on an insn with multiple sets, even if single_set returns
5585 non-NULL for that insn.
5587 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5589 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
5592 2007-02-20 Geoffrey Keating <geoffk@apple.com>
5594 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
5595 if user didn't pass it.
5596 * config/i386/darwin.h (CC1_SPEC): Likewise.
5597 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
5598 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
5599 -mmacosx-version-min.
5601 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5602 Uros Bizjak <ubizjak@gmail.com>
5604 * optabs.h (enum optab_index): Add new OTI_scalb.
5605 (scalb_optab): Define corresponding macro.
5606 * optabs.c (init_optabs): Initialize scalb_optab.
5607 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
5609 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
5610 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
5611 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
5612 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
5613 flag_unsafe_math_optimizations is set.
5615 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
5616 to implement scalbf, scalb and scalbl built-ins as inline x87
5619 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5620 DJ Delorie <dj@redhat.com>
5623 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
5624 (diagnostic_report_diagnostic): ... here, and turn them into real
5625 errors. If warnings are inhibited, no need to do anything.
5627 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
5629 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
5630 better code generation.
5632 2007-02-20 Ben Elliston <bje@au.ibm.com>
5634 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
5636 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
5638 * config/alpha/alpha.c, config/alpha/alpha.md,
5639 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
5640 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
5641 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
5642 config/arm/lib1funcs.asm: Follow spelling conventions.
5644 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
5645 config/fr30/fr30.md, config/i386/i386.h,
5646 config/iq2000/iq2000.h, config/iq2000/predicates.md,
5647 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
5648 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
5649 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
5650 config/rs6000/altivec.md, config/rs6000/rs6000.c,
5651 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
5652 config/sparc/sparc.c, config/sparc/sparc.h,
5653 config/sparc/sparc.md, config/spu/constraints.md,
5654 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
5657 2007-02-20 Alan Modra <amodra@bigpond.net.au>
5660 * varasm.c (use_blocks_for_decl_p): Return false for decls with
5663 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
5665 * doc/invoke.texi (-ftree-lrs): Remove.
5667 2007-02-19 Diego Novillo <dnovillo@redhat.com>
5669 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
5672 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
5674 * config/ia64/ia64.c (ia64_expand_builtin): Use the
5675 new CALL_EXPR_FN macro for retrieving the function
5676 declaration of the input expression.
5678 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5680 * c.opt (Waddress): New.
5681 * common.opt (Walways-true): Delete.
5682 (Wstring-literal-comparison): Delete.
5683 * doc/invoke.texi (Warning Options): Delete -Walways-true and
5684 -Wstring-literal-comparison. Add -Waddress.
5686 (Walways-true): Delete.
5687 (Wstring-literal-comparison): Delete.
5688 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
5689 consistently instead of -Walways-true in example.
5690 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
5691 * c-typeck.c (parser_build_binary_op): Replace
5692 -Wstring-literal-comparison and -Walways-true with -Waddress.
5693 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
5696 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
5698 * tree-cfg.c (dump_function_to_file): Be prepared for functions
5699 without DECL_STRUCT_FUNCTION initialized.
5701 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
5703 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
5704 due to calls to functions taking pointers as parameters.
5706 2007-02-19 Richard Henderson <rth@redhat.com>
5709 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
5712 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
5714 * config/s390/s390.c (s390_call_saved_register_used,
5715 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
5716 accessed to the new scheme.
5718 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5720 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
5721 (cris_print_index, cris_print_operand, cris_print_operand_address)
5722 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
5723 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
5724 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
5726 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
5727 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
5728 GO_IF_LEGITIMATE_ADDRESS): Ditto.
5729 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
5730 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
5731 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
5732 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
5733 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
5734 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
5735 (uminsi3, call, call_value): Ditto.
5736 (define_split: indir_to_reg_split, unnamed): Ditto.
5738 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
5740 PR tree-optimization/30975
5741 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
5744 2007-02-18 Eric Christopher <echristo@gmail.com>
5746 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
5747 Remove use of arglist.
5748 (mips_expand_builtin): Remove use of arglist, pass in expr.
5749 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
5750 (mips_expand_builtin_movtf): Ditto.
5751 (mips_expand_builtin_compare): Ditto.
5753 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
5755 * tree-sra.c (sra_build_assignment): Replace assertion
5756 checking with a comment explaining why it can't be done.
5758 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
5761 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
5762 during CALL_EXPR representation conversion.
5763 * tree-ssa-propagate.c (set_rhs): Likewise.
5765 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
5767 * tree-sra.c (sra_build_assignment): Disable assertion checking
5770 2007-02-18 Roger Sayle <roger@eyesopen.com>
5772 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
5773 instead of calling build2 with a GIMPLE_MODIFY_STMT.
5774 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
5776 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
5777 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
5778 gimplify_init_ctor_eval_range, gimple_push_cleanup,
5779 gimplify_omp_for, gimplify_omp_atomic_pipeline,
5780 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
5781 force_gimple_operand): Likewise.
5782 * ipa-cp.c (constant_val_insert): Likewise.
5783 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5784 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
5785 perfect_nestify): Likewise.
5786 * langhooks.c (lhd_omp_assignment): Likewise.
5787 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
5788 lower_copyprivate_clauses, lower_send_clauses,
5789 lower_send_shared_vars, expand_parallel_call,
5790 expand_omp_for_generic, expand_omp_for_static_nochunk,
5791 expand_omp_for_static_chunk, expand_omp_sections,
5792 lower_omp_single_copy, lower_omp_for_lastprivate,
5793 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
5794 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
5795 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
5798 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
5800 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
5801 config/sh/sh.md: Follow spelling conventions.
5803 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
5804 config/frv/predicates.md: Follow spelling conventions.
5806 * config/m68k/linux-unwind.h: Fix a comment typo.
5807 * target.h: Follow spelling conventions.
5809 2007-02-18 Roger Sayle <roger@eyesopen.com>
5811 PR rtl-optimization/28173
5812 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
5813 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
5814 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
5815 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
5816 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
5818 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5820 * builtins.c (fold_builtin_load_exponent): New.
5821 (fold_builtin_2): Use it.
5823 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
5825 PR rtl-optimization/30773
5826 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
5827 if we fail to attach a REG_EQUIV note.
5829 2007-02-18 David Edelsohn <edelsohn@gnu.org>
5830 Roger Sayle <roger@eyesopen.com>
5832 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
5834 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
5836 * calls.c (initialize_argument_information): Pass original EXP
5837 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
5838 code to split complex arguments here, as part of initializing the
5840 (expand_call): Remove code that builds a list of arguments and
5841 inserts implicit arguments into it. Instead, just count how many
5842 implicit arguments there will be so we can determine the size of
5843 the ARGS array, and let initialize_argument_information do the work.
5844 (split_complex_values): Delete unused function.
5846 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
5848 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
5850 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
5852 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
5853 for arg pointer based indexed addressing.
5855 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
5857 * config/ia64/ia64.h, config/ia64/ia64.md,
5858 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
5859 spelling conventions.
5861 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
5863 * config/m68k/m68k.c (split_di): New.
5864 * config/m68k/m68k-protos.h: Declare split_di.
5865 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
5866 Improve predicate handling and split constant shifts.
5868 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
5870 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
5871 parameter for register bitfield operations, general predicates
5874 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
5876 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
5877 * config/m68k/linux-unwind.h: New file.
5879 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
5881 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
5882 config/i386/athlon.md, config/ia64/ia64.md,
5883 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
5884 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
5885 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
5886 tree-ssa-loop-niter.c, tree-vect-analyze.c,
5887 tree-vect-transform.c: Fix comment typos.
5889 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
5891 * sched-deps.c (find_insn_list): Remove.
5892 * sched-int.h: Remove the prototype for find_insn_list.
5894 2007-02-16 Geoffrey Keating <geoffk@apple.com>
5896 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
5898 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
5899 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
5900 darwin_rs6000_override_options.
5901 (C_COMMON_OVERRIDE_OPTIONS): Expect
5902 darwin_macosx_version_min to be non-NULL always.
5903 (TARGET_C99_FUNCTIONS): Likewise.
5904 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
5905 (DARWIN_MINVERSION_SPEC): New.
5906 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
5907 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
5909 (DARWIN_MINVERSION_SPEC): New.
5910 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
5912 * config/darwin-c.c (darwin_cpp_builtins): Expect
5913 darwin_macosx_version_min to be non-NULL always.
5915 * config/rs6000/rs6000.c: Clean up trailing whitespace.
5917 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
5919 * config/i386/i386.h (x86_use_xchgb): New.
5920 (TARGET_USE_XCHGB): New macro.
5921 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
5922 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
5923 Split after reload into bswaphi for shifts of 8.
5924 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
5925 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
5926 or when optimizing for size.
5928 2007-02-16 Richard Guenther <rguenther@suse.de>
5929 Christian Bruel <christian.bruel@st.com>
5931 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
5932 DECLs but prefer SSA_NAMEs over DECLs.
5934 2007-02-16 Richard Guenther <rguenther@suse.de>
5936 * tree-flow-inline.h (single_imm_use_p): Remove.
5937 (zero_imm_uses_p): Likewise.
5938 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
5939 instead of single_imm_use_p.
5940 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
5943 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5946 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
5947 nested double- and backquotes.
5949 2007-02-15 Roger Sayle <roger@eyesopen.com>
5952 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
5953 should be unreachable.
5954 (build2_stat): Allow construction of MODIFY_EXPR at any time.
5955 For the time being redirect GIMPLE_MODIFY_STMT to the new
5956 (renamed) build_gimple_modify_stmt_stat.
5957 (build2_gimple_stat): Rename to...
5958 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
5959 Always build a GIMPLE_MODIFY_STMT node.
5960 * tree.h (build2_gimple, build2_gimple_stat): Delete.
5961 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
5964 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
5965 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
5966 * tree-complex.c (set_component_ssa_name, expand_complex_move,
5967 expand_complex_div_wide): Likewise.
5968 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
5969 * tree-ssa-loop-im.c (schedule_sm): Likewise.
5970 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
5971 * tree-ssa-loop-manip.c (create_iv): Likewise.
5972 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
5973 abs_replacement): Likewise.
5974 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
5975 realify_fake_stores): Likewise.
5977 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
5978 node rather than a GIMPLE_MODIFY_STMT node.
5979 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
5980 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
5982 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
5983 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
5986 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
5989 * fold-const.c (fold_comparison): Add back the
5990 folding of constant complex comparisions.
5992 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
5995 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
5996 effects unknown to this function, return early.
5998 2007-02-15 Ian Lance Taylor <iant@google.com>
6000 * lower-subreg.c (move_eh_region_note): New static function.
6001 (resolve_simple_move): Call it.
6002 (decompose_multiword_subregs): Track blocks for which we resolve a
6003 simple move which is also a control flow insn. Pass them to
6004 find_many_sub_basic_blocks.
6005 (pass_lower_subreg): Add TODO_verify_flow.
6006 (pass_lower_subreg2): Likewise.
6008 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
6009 Brooks Moses <brooks.moses@codesourcery.com>
6010 Lee Millward <lee.millward@codesourcery.com>
6012 * tree.h (enum tree_code_class): Add tcc_vl_exp.
6013 (VL_EXP_CLASS_P): New.
6014 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
6016 (TREE_OPERAND_CHECK_CODE): Likewise.
6017 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
6018 (TREE_RTL_OPERAND_CHECK): Likewise.
6019 (tree_operand_check_failed): Make second parameter the whole tree
6020 instead of its code. Fixed callers.
6021 (VL_EXP_CHECK): New.
6022 (TREE_OPERAND_LENGTH): New.
6023 (VL_EXP_OPERAND_LENGTH): New.
6024 (CALL_EXPR_FN): New.
6025 (CALL_EXPR_STATIC_CHAIN): New.
6026 (CALL_EXPR_ARGS): New.
6027 (CALL_EXPR_ARG): New.
6028 (call_expr_nargs): New.
6029 (CALL_EXPR_ARGP): New.
6030 (build_nt_call_list): Declare.
6031 (build_vl_exp_stat): Declare.
6032 (build_vl_exp): New.
6033 (build_call_list): Declare.
6034 (build_call_nary): Declare.
6035 (build_call_valist): Declare.
6036 (build_call_array): Declare.
6037 (call_expr_arg): Declare.
6038 (call_expr_argp): Declare.
6039 (call_expr_arglist): Declare.
6040 (fold_build_call_list): Declare.
6041 (fold_build_call_list_initializer): Declare.
6042 (fold_call_expr): Declare to replace fold_builtin.
6043 (fold_builtin_fputs): Update to agree with modified definition.
6044 (fold_builtin_strcpy): Likewise.
6045 (fold_builtin_strncpy): Likewise.
6046 (fold_builtin_memory_chk): Likewise.
6047 (fold_builtin_stxcpy_chk): Likewise.
6048 (fold_builtin_strncpy_chk): Likewise.
6049 (fold_builtin_next_arg): Likewise.
6050 (fold_build_call_expr): Declare.
6051 (fold_builtin_call_list): Declare.
6052 (fold_builtin_call_valist): Declare.
6053 (build_call_expr): Declare.
6054 (validate_arglist): Update to agree with modified definition.
6055 (tree_operand_length): New.
6056 (call_expr_arg_iterator): New.
6057 (init_call_expr_arg_iterator): New.
6058 (next_call_expr_arg): New.
6059 (first_call_expr_arg): New.
6060 (more_call_expr_args_p): New.
6061 (FOR_EACH_CALL_EXPR_ARG): New.
6063 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
6064 and tcc_gimple_stmt.
6065 (tree_code_size): Update documentation. Use sizeof (tree) rather
6066 than sizeof (char *).
6067 (tree_size): Likewise. Add case for tcc_vl_exp.
6068 (tree_node_structure): Add case for tcc_vl_exp.
6069 (contains_placeholder_p): Likewise.
6070 (substitute_in_expr): Likewise.
6071 (substitute_placeholder_in_expr): Likewise.
6072 (stabilize_reference_1): Likewise.
6073 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
6074 to diagnose breakage of this interface for constructing CALL_EXPRs.
6075 (build_nt): Add similar assertion here.
6076 (build_nt_call_list): New.
6077 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
6078 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
6080 (get_callee_fndecl): Use new CALL_EXPR accessors.
6081 (tree_operand_check_failed): Change parameters to pass entire node
6082 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
6083 (process_call_operands): New.
6084 (build_vl_exp_stat): New.
6085 (build_call_list): New.
6086 (build_call_nary): New.
6087 (build_call_valist): New.
6088 (build_call_array): New.
6089 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6090 (call_expr_arglist): New.
6092 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
6093 tcc_vl_exp instead of a fixed-size tcc_expression.
6095 * doc/c-tree.texi (CALL_EXPR): Document new representation and
6096 accessors for CALL_EXPRs.
6097 (AGGR_INIT_EXPR): Likewise.
6099 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
6100 Brooks Moses <brooks.moses@codesourcery.com>
6101 Lee Millward <lee.millward@codesourcery.com>
6103 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
6104 (expand_builtin_nonlocal_goto): Change parameter to be entire
6105 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
6106 (expand_builtin_prefetch): Likewise.
6107 (expand_builtin_classify_type): Likewise.
6108 (mathfn_built_in): Return NULL_TREE instead of 0.
6109 (expand_errno_check): Use new CALL_EXPR accessors.
6110 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
6111 Return NULL_RTX instead of 0.
6112 (expand_builtin_mathfn_2): Likewise.
6113 (expand_builtin_mathfn_3): Likewise.
6114 (expand_builtin_interclass_mathfn): Likewise.
6115 (expand_builtin_sincos): Likewise.
6116 (expand_builtin_cexpi): Likewise.
6117 (expand_builtin_int_roundingfn): Likewise.
6118 (expand_builtin_int_roundingfn_2): Likewise.
6119 (expand_builtin_pow): Likewise.
6120 (expand_builtin_powi): Likewise.
6121 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
6122 of arglist, fixing callers appropriately. Use new CALL_EXPR
6123 accessors and constructors. Return NULL_RTX instead of 0.
6124 (expand_builtin_strstr): Likewise.
6125 (expand_builtin_strchr): Likewise.
6126 (expand_builtin_strrchr): Likewise.
6127 (expand_builtin_strpbrk): Likewise.
6128 (expand_builtin_memcpy): Likewise.
6129 (expand_builtin_mempcpy): Likewise.
6130 (expand_builtin_mempcpy_args): New.
6131 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
6132 (expand_builtin_memmove_args): New.
6133 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
6134 (expand_movstr): Likewise.
6135 (expand_builtin_strcpy): Likewise.
6136 (expand_builtin_strcpy_args): New.
6137 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
6138 (expand_builtin_strncpy): Likewise.
6139 (expand_builtin_memset): Likewise.
6140 (expand_builtin_memset_args): New.
6141 (expand_builtin_bzero): Similarly to expand_builtin_memset.
6142 (expand_builtin_memcmp): Likewise.
6143 (expand_builtin_strcmp): Likewise.
6144 (expand_builtin_strncmp): Likewise.
6145 (expand_builtin_strcat): Likewise.
6146 (expand_builtin_strncat): Likewise.
6147 (expand_builtin_strspn): Likewise.
6148 (expand_builtin_strcspn): Likewise.
6149 (expand_builtin_args_info): Likewise.
6150 (expand_builtin_va_start): Likewise.
6151 (gimplify_va_arg_expr): Likewise.
6152 (expand_builtin_va_end): Likewise.
6153 (expand_builtin_va_copy): Likewise.
6154 (expand_builtin_frame_address): Likewise.
6155 (expand_builtin_alloca): Likewise.
6156 (expand_builtin_bswap): Likewise.
6157 (expand_builtin_unop): Likewise.
6158 (expand_builtin_fputs): Likewise.
6159 (expand_builtin_expect): Likewise.
6160 (expand_builtin_fabs): Likewise.
6161 (expand_builtin_copysign): Likewise.
6162 (expand_builtin_printf): Likewise.
6163 (expand_builtin_fprintf): Likewise.
6164 (expand_builtin_sprintf): Likewise.
6165 (expand_builtin_init_trampoline): Likewise.
6166 (expand_builtin_signbit): Likewise.
6167 (expand_builtin_fork_or_exec): Likewise.
6168 (expand_builtin_sync_operation): Likewise.
6169 (expand_builtin_compare_and_swap): Likewise.
6170 (expand_builtin_lock_test_and_set): Likewise.
6171 (expand_builtin_lock_release): Likewise.
6172 (expand_builtin): Likewise.
6173 (builtin_mathfn_code): Likewise.
6175 (fold_builtin_constant_p): Pass call arguments individually instead
6176 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
6177 accessors and constructors. Return NULL_TREE instead of 0.
6178 (fold_builtin_expect): Likewise.
6179 (fold_builtin_classify_type): Likewise.
6180 (fold_builtin_strlen): Likewise.
6181 (fold_builtin_nan): Likewise.
6182 (integer_valued_real_p): Likewise.
6183 (fold_trunc_transparent_mathfn): Likewise.
6184 (fold_fixed_mathfn): Likewise.
6185 (fold_builtin_cabs): Likewise.
6186 (fold_builtin_sqrt): Likewise.
6187 (fold_builtin_cbrt): Likewise.
6188 (fold_builtin_cos): Likewise.
6189 (fold_builtin_cosh): Likewise.
6190 (fold_builtin_tan): Likewise.
6191 (fold_builtin_sincos): Likewise.
6192 (fold_builtin_cexp): Likewise.
6193 (fold_builtin_trunc): Likewise.
6194 (fold_builtin_floor): Likewise.
6195 (fold_builtin_ceil): Likewise.
6196 (fold_builtin_round): Likewise.
6197 (fold_builtin_int_roundingfn): Likewise.
6198 (fold_builtin_bitop): Likewise.
6199 (fold_builtin_bswap): Likewise.
6200 (fold_builtin_logarithm): Likewise.
6201 (fold_builtin_hypot): Likewise.
6202 (fold_builtin_pow): Likewise.
6203 (fold_builtin_powi): Likewise.
6204 (fold_builtin_exponent): Likewise.
6205 (fold_builtin_memset): Likewise.
6206 (fold_builtin_bzero): Likewise.
6207 (fold_builtin_memory_op): Likewise.
6208 (fold_builtin_bcopy): Deleted; call site changed to invoke
6209 fold_builtin_memory_op directly.
6210 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
6211 (fold_builtin_strncpy): Likewise.
6212 (fold_builtin_memcmp): Likewise.
6213 (fold_builtin_strcmp): Likewise.
6214 (fold_builtin_strncmp): Likewise.
6215 (fold_builtin_signbit): Likewise.
6216 (fold_builtin_copysign): Likewise.
6217 (fold_builtin_isascii): Likewise.
6218 (fold_builtin_toascii): Likewise.
6219 (fold_builtin_isdigit): Likewise.
6220 (fold_builtin_fabs): Likewise.
6221 (fold_builtin_abs): Likewise.
6222 (fold_builtin_fmin_fmax): Likewise.
6223 (fold_builtin_carg): Likewise.
6224 (fold_builtin_classify): Likewise.
6225 (fold_builtin_unordered_cmp): Likewise.
6227 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
6228 New functions split out from fold_builtin_1.
6229 (fold_builtin_n): New.
6230 (fold_builtin_varargs): New.
6231 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
6233 (fold_call_expr): New.
6234 (build_function_call_expr): Rewrite to use new helper function.
6235 (fold_builtin_call_list): New.
6236 (build_call_expr): New.
6237 (fold_builtin_call_valist): New.
6238 (rewrite_call_expr): New.
6239 (validate_arg): New.
6240 (validate_arglist): Change parameter to be entire CALL_EXPR instead
6241 of an arglist. Change return type to bool. Use new CALL_EXPR
6244 (fold_builtin_strstr): Pass call arguments individually instead
6245 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
6246 accessors and constructors. Return NULL_TREE instead of 0.
6247 (fold_builtin_strchr): Likewise.
6248 (fold_builtin_strrchr): Likewise.
6249 (fold_builtin_strpbrk): Likewise.
6250 (fold_builtin_strcat): Likewise.
6251 (fold_builtin_strncat): Likewise.
6252 (fold_builtin_strspn): Likewise.
6253 (fold_builtin_strcspn): Likewise.
6254 (fold_builtin_fputs): Likewise.
6255 (fold_builtin_next_arg): Likewise.
6256 (fold_builtin_sprintf): Likewise.
6258 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
6259 NULL_RTX instead of 0.
6260 (expand_builtin_memory_chk): Likewise.
6261 (maybe_emit_chk_warning): Likewise.
6262 (maybe_emit_sprintf_chk_warning): Likewise.
6264 (fold_builtin_object_size): Pass call arguments individually instead
6265 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
6266 accessors and constructors. Return NULL_TREE instead of 0.
6267 (fold_builtin_memory_chk): Likewise.
6268 (fold_builtin_stxcpy_chk): Likewise.
6269 (fold_builtin_strncpy_chk): Likewise.
6270 (fold_builtin_strcat_chk): Likewise.
6271 (fold_builtin_strcat_chk): Likewise.
6272 (fold_builtin_strncat_chk): Likewise.
6273 (fold_builtin_sprintf_chk): Likewise.
6274 (fold_builtin_snprintf_chk): Likewise.
6275 (fold_builtin_printf): Likewise.
6276 (fold_builtin_vprintf): Likewise.
6278 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
6280 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
6281 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6282 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
6283 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
6284 (fold_unary): Likewise.
6285 (fold_binary): Likewise.
6286 (fold_ternary): Remove CALL_EXPR case, since they are no longer
6287 ternary expressions.
6288 (fold): Add logic for tcc_vl_exp.
6289 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
6290 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6291 (fold_build3_stat): Add assertion to flag broken interface for
6292 constructing CALL_EXPRs.
6293 (fold_build_call_list): New.
6294 (fold_build_call_list_initializer): New.
6295 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
6297 (fold_strip_sign_ops): Likewise.
6299 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
6300 Brooks Moses <brooks.moses@codesourcery.com>
6301 Lee Millward <lee.millward@codesourcery.com>
6303 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
6304 accessors and dump arguments explicitly.
6306 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
6308 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
6310 (print_call_name): Use new CALL_EXPR accessors.
6312 * print-tree.c (print_node): Add case tcc_vl_exp. Print
6313 CALL_EXPR arguments explicitly instead of as a list. Use
6314 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6316 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
6317 (vrp_visit_stmt): Likewise.
6319 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
6320 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
6322 (force_move_till_expr): Likewise.
6324 * targhooks.c (default_external_stack_protect_fail): Use
6325 build_call_expr instead of build_function_call_expr.
6326 (default_hidden_stack_protect_fail): Likewise.
6328 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
6331 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
6332 and walk arguments explicitly.
6334 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
6335 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6336 (expand_simple_operations): Likewise.
6337 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
6339 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
6340 of TREE_CODE_LENGTH.
6341 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
6343 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
6344 instead of TREE_CODE_LENGTH.
6346 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
6347 (tree_ic_transform): Likewise.
6348 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
6349 parameter instead of arglist. Fix callers.
6350 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
6351 (tree_stringops_transform): Likewise.
6352 (tree_indirect_call_to_profile): Likewise.
6353 (tree_stringops_values_to_profile): Likewise.
6355 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
6356 (eliminate_tail_call): Likewise.
6358 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
6360 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
6361 Use TREE_OPERAND_LENGTH and generalize to handle any number of
6363 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
6365 * omp-low.c (build_omp_barrier): Use build_call_expr.
6366 (lower_rec_input_clauses): Likewise.
6367 (lower_reduction_clauses): Likewise.
6368 (expand_parallel_call): Likewise.
6369 (maybe_catch_exception): Likewise.
6370 (expand_omp_for_generic): Likewise.
6371 (expand_omp_for_static_nochunk): Likewise.
6372 (expand_omp_sections): Likewise.
6373 (lower_omp_single_simple): Likewise.
6374 (lower_omp_single_copy): Likewise.
6375 (lower_omp_master): Likewise.
6376 (lower_omp_ordered): Likewise.
6377 (lower_omp_critical): Likewise.
6379 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
6380 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
6382 * tree-gimple.c (is_gimple_call_addr): Fix doc.
6383 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
6384 TREE_CODE_LENGTH. Add tcc_vl_exp case.
6386 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
6387 and generalize to handle any number of operands.
6388 (chrec_contains_undetermined): Likewise.
6389 (tree_contains_chrecs): Likewise.
6390 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
6392 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
6394 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
6395 fold_call_expr instead of fold_builtin.
6396 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
6397 match declarations there.
6398 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
6401 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
6402 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6404 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
6405 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
6407 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
6410 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
6411 (execute_cse_sincos): Use new CALL_EXPR accessors.
6413 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
6415 * gimple-low.c (lower_function_body): Use build_call_expr.
6416 (lower_builtin_setjmp): Likewise.
6418 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
6419 (set_storage_via_libcall): Likewise.
6420 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
6421 instead of TREE_CODE_LENGTH.
6422 (expand_expr_real_1): Use new CALL_EXPR accessors.
6424 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
6425 generalize to handle any number of operands.
6426 (TB_parent_eq): Likewise.
6428 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
6429 (strip_builtin_expect): Likewise.
6431 * function.c (gimplify_parameters): Use build_call_expr.
6433 * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
6434 instead of TREE_CODE_LENGTH.
6436 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
6437 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
6439 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
6442 * gimplify.c (build_stack_save_restore): Use build_call_expr.
6443 (gimplify_decl_expr): Likewise.
6444 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
6445 Use new CALL_EXPR iterators.
6446 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
6447 (gimplify_modify_expr_to_memset): Likewise.
6448 (gimplify_variable_sized_compare): Likewise.
6449 (gimplify_omp_atomic_fetch_op): Likewise.
6450 (gimplify_omp_atomic_pipeline): Likewise.
6451 (gimplify_omp_atomic_mutex): Likewise.
6452 (gimplify_function_tree): Likewise.
6454 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
6455 (call_expr_flags): Likewise.
6456 (expand_call): Likewise.
6458 * except.c (expand_builtin_eh_return_data_regno): Pass entire
6459 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
6462 * coverage.c (create_coverage): Use build_call_expr.
6464 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
6465 (temp_call_expr_obstack): New.
6466 (pool_copy_list): Delete.
6467 (temp_copy_call_expr): New.
6468 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
6469 CALL_EXPR accessors. Get rid of special goo for copying argument
6470 lists and use temp_copy_call_expr instead.
6471 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
6472 CALL_EXPR accessors.
6473 (create_expression_by_pieces): Likewise. Use build_call_array
6474 to construct the result instead of fold_build3.
6475 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
6476 dealing with argument lists.
6477 (init_pre): Remove references to expression_node_pool and
6478 list_node_pool. Init temp_call_expr_obstack instead.
6479 (fini_pre): Remove references to expression_node_pool and
6482 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
6483 and walk arguments explicitly instead of as a list.
6485 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
6486 (mx_register_decls): Likewise.
6487 (mudflap_register_call): Likewise.
6488 (mudflap_finish_file): Likewise.
6490 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
6491 (ipa_callsite_compute_param): Likewise.
6493 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
6494 accessors and constructor.
6496 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
6497 accessors and constructor.
6498 (convert_tramp_reference): Likewise.
6499 (convert_call_expr): Likewise.
6500 (finalize_nesting_tree_1): Likewise.
6502 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
6505 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
6507 * tree-inline.c (initialize_inlined_parameters): Pass entire
6508 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
6510 (estimate_num_insns_1): Use new CALL_EXPR accessors.
6511 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
6513 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
6514 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6515 (vectorizable_reduction): Likewise.
6516 (vectorizable_call): Use new CALL_EXPR iterators.
6517 (vectorizable_conversion): Use build_call_expr.
6518 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
6519 (vect_gen_widened_results_half): Use build_call_expr.
6520 (vect_setup_realignment): Likewise.
6521 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
6523 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
6524 (pass_through_call): Likewise.
6525 (compute_object_sizes): Likewise. Use fold_call_expr instead of
6528 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
6529 (tree_gen_pow2_profiler): Likewise.
6530 (tree_gen_one_value_profiler): Likewise.
6531 (tree_gen_ic_func_profiler): Likewise.
6532 (tree_gen_average_profiler): Likewise.
6533 (tree_gen_ior_profiler): Likewise.
6535 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
6536 (find_func_aliases): Use new CALL_EXPR accessors. Add case
6537 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6539 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
6540 of TREE_CODE_LENGTH.
6542 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
6543 of TREE_CODE_LENGTH.
6545 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
6547 (convert_to_integer): Likewise.
6549 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
6552 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
6553 Brooks Moses <brooks.moses@codesourcery.com>
6554 Lee Millward <lee.millward@codesourcery.com>
6556 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
6558 * config/frv/frv.c (frv_expand_builtin): Likewise.
6559 * config/s390/s390.c (s390_expand_builtin): Likewise.
6561 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
6562 (sparc_expand_builtin): Use new CALL_EXPR accessors.
6564 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
6565 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
6566 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
6567 (ix86_expand_store_builtin): Likewise.
6568 (ix86_expand_unop_builtin): Likewise.
6569 (ix86_expand_unop1_builtin): Likewise.
6570 (ix86_expand_sse_compare): Likewise.
6571 (ix86_expand_sse_comi): Likewise.
6572 (ix86_expand_vec_init_builtin): Likewise.
6573 (ix86_expand_vec_ext_builtin): Likewise.
6574 (ix86_expand_vec_set_builtin): Likewise.
6575 (ix86_expand_builtin): Use new CALL_EXPR accessors.
6577 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
6578 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
6580 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
6581 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
6582 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
6584 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
6586 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
6587 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
6588 arglist. Use new CALL_EXPR accessors. Fix callers.
6589 (altivec_expand_abs_builtin): Likewise.
6590 (rs6000_expand_binop_builtin): Likewise.
6591 (altivec_expand_predicate_builtin): Likewise.
6592 (altivec_expand_lv_builtin): Likewise.
6593 (spe_expand_stv_builtin): Likewise.
6594 (altivec_expand_stv_builtin): Likewise.
6595 (rs6000_expand_ternop_builtin): Likewise.
6596 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
6597 (altivec_expand_st_builtin): Likewise.
6598 (altivec_expand_dst_builtin): Likewise.
6599 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
6600 arglist. Use new CALL_EXPR accessors. Fix callers.
6601 (altivec_expand_vec_set_builtin): Likewise.
6602 (altivec_expand_vec_ext_builtin): Likewise.
6603 (altivec_expand_builtin): Use new CALL_EXPR accessors.
6604 (spe_expand_builtin): Likewise.
6605 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
6606 arglist. Use new CALL_EXPR accessors. Fix callers.
6607 (spe_expand_evsel_builtin): Likewise.
6608 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
6609 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
6611 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
6612 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
6613 (arm_expand_unop_builtin): Likewise.
6614 (arm_expand_builtin): Use new CALL_EXPR accessors.
6616 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
6619 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
6620 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
6621 (bfin_expand_unop_builtin): Likewise.
6622 (bfin_expand_builtin): Use new CALL_EXPR accessors.
6624 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
6625 Brooks Moses <brooks.moses@codesourcery.com>
6626 Lee Millward <lee.millward@codesourcery.com>
6628 * c-semantics.c (build_stmt): Add internal diagnostic check.
6630 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
6631 accessors. Print arguments explicitly instead of as a list.
6633 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
6635 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
6636 (c_finish_omp_flish): Likewise.
6638 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
6639 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
6640 instead of TREE_CODE_LENGTH.
6641 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
6642 (c_warn_unused_result): Likewise.
6644 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6647 * doc/invoke.texi (Warning Options): Remove
6648 -Werror-implicit-function-declaration.
6649 (Wimplicit-function-declaration): Update description.
6650 * opts.c (common_handle_option): Move handling of -Werror=* to...
6651 (enable_warning_as_error): ...here.
6652 * opts.h (enable_warning_as_error): Declare.
6653 * c-decl.c (implicit_decl_warning): Unless
6654 -Wno-implicit-function-declaration is given, emit a pedwarn if
6655 -std=c99 or emit a warning if -Wimplicit-function-declaration.
6656 * c.opt (Wimplicit-function-declaration): Replace
6657 mesg_implicit_function_declaration with
6658 warn_implicit_function_declaration.
6659 * c-opts.c (c_common_handle_option):
6660 -Werror-implicit-function-declaration is exactly equal as
6661 -Werror=implicit-function-declaration.
6662 (set_Wimplicit): Replace mesg_implicit_function_declaration with
6663 warn_implicit_function_declaration.
6664 (c_common_post_options): -Wimplict-function-declaration is enabled
6665 by default by -std=c99, otherwise is disabled by default.
6666 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
6668 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
6670 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
6671 DECL on the rhs to a DECL on the lhs for debug info purposes if the
6672 former is ignored but not the latter.
6674 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
6676 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
6677 is made and the reference doesn't use the alias set of its type,
6678 do not create the temporary using that type.
6680 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
6682 * jump.c: Remove prototypes for delete_computation and
6683 delete_prior_computation.
6685 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
6687 * jump.c (get_label_after): Delete.
6688 (get_label_before, delete_computation, delete_jump,
6689 delete_prior_computation, follow_jumps): Move...
6690 * reorg.c (delete_computation, delete_prior_computation): ... here...
6691 (get_label_before, delete_jump): ... making these static ...
6692 (follow_jumps): ... and simplifying this since it only runs after
6694 * rtl.h (get_label_after, get_label_before, delete_jump,
6695 follow_jumps): Delete prototypes.
6697 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
6699 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
6701 2007-02-15 Nick Clifton <nickc@redhat.com>
6703 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
6704 order to prevent it from being munged by the target.
6706 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
6708 * config/i386/i386.md: Remove misleading comment.
6710 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
6712 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
6713 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
6716 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
6718 * tree-sra.c (instantiate_missing_elements): Canonicalize
6720 (sra_build_assignment): New.
6721 (generate_copy_inout, generate_element_copy,
6722 generate_element_zero, generate_one_element_init): Use it.
6724 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
6726 * tree-sra.c (instantiate_missing_elements): Canonicalize
6728 (sra_build_assignment): New.
6729 (generate_copy_inout, generate_element_copy,
6730 generate_element_zero, generate_one_element_init): Use it.
6732 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
6734 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
6737 2007-02-14 Joseph Myers <joseph@codesourcery.com>
6739 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
6740 types as aggregates not scalars.
6741 * function.c (assign_stack_temp_for_type): Likewise.
6743 2007-02-14 Roger Sayle <roger@eyesopen.com>
6744 Zdenek Dvorak <dvorakz@suse.cz>
6746 * tree-dump.c (dump_switch_p_1): Require exact match of the option
6749 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6751 * passes.c (next_pass_1): Clear the next field of the copied
6754 2007-02-14 Richard Henderson <rth@redhat.com>
6756 * tree-sra.c (early_sra): New.
6757 (decl_can_be_decomposed_p): Deny va_list if early_sra.
6758 (tree_sra_early, pass_sra_early): New.
6759 * tree-pass.h (pass_sra_early): Declare.
6760 * passes.c (init_optimization_passes): Use it.
6762 2007-02-14 Richard Guenther <rguenther@suse.de>
6764 * flags.h (issue_strict_overflow_warning): Convert to a macro.
6766 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
6768 PR tree-optimization/30771
6769 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
6771 (vect_analyze_operations): Induction phis can now be marked as
6773 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
6774 Update documentation accordingly.
6776 2007-02-14 Nick Clifton <nickc@redhat.com>
6778 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
6779 most 3 arguments are supported.
6780 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
6782 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
6784 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
6785 Ensure dst->current is valid.
6787 2007-02-13 Paul Brook <paul@codesourcery.com>
6789 * config.gcc: Add arm*-*-uclinux-*eabi.
6790 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
6791 (SUBTARGET_EXTRA_LINK_SPEC): Define.
6792 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
6793 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
6794 (LINK_SPEC): Define.
6796 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
6798 * config/arm/uclinux-eabi.h: New file.
6799 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
6800 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
6803 2007-02-13 Ian Lance Taylor <iant@google.com>
6805 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
6806 * flags.h (warn_strict_overflow): Declare.
6807 (enum warn_strict_overflow_code): Define.
6808 (issue_strict_overflow_warning): New static inline function.
6809 * opts.c (warn_strict_overflow): New variable.
6810 (common_handle_option): Handle OPT_Wstrict_overflow and
6811 OPT_Wstrict_overflow_.
6812 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
6814 * fold-const.c: Include intl.h.
6815 (fold_deferring_overflow_warnings): New static variable.
6816 (fold_deferred_overflow_warning): New static variable.
6817 (fold_deferred_overflow_code): New static variable.
6818 (fold_defer_overflow_warnings): New function.
6819 (fold_undefer_overflow_warnings): New function.
6820 (fold_undefer_and_ignore_overflow_warnings): New function.
6821 (fold_deferring_overflow_warnings_p): New function.
6822 (fold_overflow_warning): New static function.
6823 (make_range): Add strict_overflow_p parameter. Change all
6825 (extract_muldiv, extract_muldiv_1): Likewise.
6826 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
6827 tree_expr_nonnegative_p.
6828 (fold_negate_expr): Call fold_overflow_warning.
6829 (fold_range_test): Likewise.
6830 (fold_comparison): Likewise.
6831 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
6832 instead of tree_expr_nonnegative_p.
6833 (tree_expr_nonnegative_warnv_p): Rename from
6834 tree_expr_nonnegative_p, add strict_overflow_p parameter.
6835 (tree_expr_nonnegative_p): New function.
6836 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
6837 strict_overflow_p parameter.
6838 (tree_expr_nonzero_p): New function.
6839 * passes.c (verify_interpass_invariants): New static function.
6840 (execute_one_pass): Call it.
6841 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
6843 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
6844 (estimate_numbers_of_iterations): Likewise.
6845 (scev_probably_wraps_p): Likewise.
6846 * tree-ssa-ccp.c: Include "toplev.h".
6847 (evaluate_stmt): Defer fold overflow warnings until we know we are
6849 (struct fold_stmt_r_data): Add stmt field.
6850 (fold_stmt_r): Defer fold overflow warnings until we know we
6852 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
6853 (fold_stmt_inplace): Likewise.
6854 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
6855 (cleanup_control_expr_graph): Defer fold overflow warnings until
6856 we know we are going to optimize.
6857 * tree-cfg.c (fold_cond_expr_cond): Likewise.
6858 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
6860 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
6861 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
6862 * tree-ssa-loop-manip.c (create_iv): Likewise.
6863 * c-typeck.c (build_conditional_expr): Likewise.
6864 (build_binary_op): Likewise.
6865 * tree-vrp.c (vrp_expr_computes_nonzero): Call
6866 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
6867 (extract_range_from_unary_expr): Likewise.
6868 * simplify-rtx.c (simplify_const_relational_operation): Warn when
6869 assuming that signed overflow does not occur.
6870 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
6871 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
6872 (fold_defer_overflow_warnings): Declare.
6873 (fold_undefer_overflow_warnings): Declare.
6874 (fold_undefer_and_ignore_overflow_warnings): Declare.
6875 (fold_deferring_overflow_warnings_p): Declare.
6876 (tree_expr_nonzero_warnv_p): Declare.
6877 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
6879 (Warning Options): Document -Wstrict-overflow.
6880 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
6881 (tree-ssa-ccp.o): Likewise.
6882 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
6883 (fold-const.o): Depend on intl.h.
6885 2007-02-13 Ian Lance Taylor <iant@google.com>
6888 * lower-subreg.c (resolve_simple_move): Decompose subregs in
6891 2007-02-13 Stuart Hastings <stuart@apple.com>
6893 * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
6895 2007-02-13 Richard Henderson <rth@redhat.com>
6897 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
6898 handled_component_p before looking for the indirect_ref.
6900 2007-02-13 Richard Henderson <rth@redhat.com>
6902 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
6903 remove flags clobber.
6904 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
6905 (bswaphi_lowpart): New.
6906 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
6907 remove TARGET_BSWAP test. Delete expander of the same name.
6909 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
6910 (expand_unop): Use them.
6912 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
6914 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
6915 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
6916 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
6917 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
6918 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
6919 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
6920 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
6921 assembler dialect choice from asm templates.
6923 2007-02-12 Richard Henderson <rth@redhat.com>
6925 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
6926 (fixuns_trunc<SSEMODEF>si2): Use it.
6927 * config/i386/sse.md (vec_setv4sf_0): Export.
6928 * config/i386/i386.c (ix86_build_const_vector): Export.
6929 (ix86_split_convert_uns_si_sse): Rename from
6930 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
6931 * config/i386/i386-protos.h: Update.
6933 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6936 * c-typeck.c (c_finish_return): Improve warning message.
6938 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6940 * alias.c (find_symbolic_term): Delete unused function.
6942 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
6944 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
6945 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
6946 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
6948 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
6950 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
6951 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
6952 the function, temporarily point the debug interface to the null one.
6954 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
6956 * dwarf2out.c (round_up_to_align): New static function.
6957 (field_byte_offset): Use it to round the offset.
6959 2007-02-12 Richard Henderson <rth@redhat.com>
6961 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
6962 (inswl_const): Export.
6964 2007-02-12 Richard Henderson <rth@redhat.com>
6966 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
6967 result mode of the libcall, convert back to outmode.
6969 2007-02-12 Roger Sayle <roger@eyesopen.com>
6971 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
6972 (bswapdi2): New define_expand to implement 32-bit implementation.
6974 2007-02-12 Nick Clifton <nickc@redhat.com>
6976 * doc/invoke.texi (Overall Options): Document --help=.
6977 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
6978 (cc1_options): Pass --help= on to cc1.
6979 (display_help): Add description of --help=.
6980 (process_command): Add code to handle --help=. Allow translated
6981 --help and --target-help switches to be passed on to compiler
6983 (main): Remove unused if statement.
6984 * opts.c (columns): Remove.
6985 (LEFT_COLUMN): Define.
6986 (wrap_help): Add columns argument.
6987 (print_filtered_help): Change parameters to be an include bitmask,
6988 an exclude bitmask, an any bitmask and the column width. Move the
6989 code to display the params list here. Add code to display the
6990 status of options rather than their descriptions if the quiet flag
6992 (print_specific_help): Change parameters to be an include bitmask,
6993 an exclude bitmask and an any bitmask. Move code to look up the
6994 column width here. Decide upon the title for an options listing.
6995 (common_handle_options): Add code to handle --help=. Adapt code
6996 for --help and --target-help to use the revised form of the
6997 print_specific_help function.
6998 (print_help): Delete.
6999 (print_param_help): Delete.
7000 (print_switch): Delete.
7001 * opts.h (cl_lang_count): Add prototype.
7002 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
7003 CL_MAX_OPTION_CLASS): New defines.
7004 * optc-gen.awk: Add construction of cl_lang_count.
7005 * c.opt: Add Warning attribute to warning options and Optimization
7006 attribute to optimization options.
7007 * common.opt: Likewise.
7009 Add -fhelp and -ftarget-help as aliases for the transformed --help
7010 and --target-help options.
7011 * opt-functions.awk: Add code to handle Warning and Optimization
7014 2007-02-12 Richard Henderson <rth@redhat.com>
7016 * config/alpha/constraints.md: New file.
7017 * config/alpha/alpha.c: Include tm-constrs.h.
7018 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
7019 alpha_extra_constraint): Remove.
7020 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
7021 * config/alpha/alpha-protos.h: Update.
7022 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
7023 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
7024 (EXTRA_CONSTRAINT): Remove.
7025 * config/alpha/alpha.md: Include constraints.md.
7026 (adddi splitter): Use satisfies_constraint_*.
7027 * config/alpha/predicates.md (add_operand): Likewise.
7028 (sext_add_operand, addition_operation): Likewise.
7030 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
7032 PR tree-optimization/29145
7033 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
7034 in our handling of restrict qualified pointers.
7036 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7039 * doc/invoke.texi (Wunused-value): Update description.
7040 (Wextra): Delete item.
7041 * opts.c (set_Wextra): Don't use the value of Wextra to set the
7042 value of Wunused-value.
7043 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
7044 (c_finish_stmt_expr): Don't check extra_warnings.
7045 (emit_side_effect_warnings): The caller is responsible to check
7048 2007-02-11 Roger Sayle <roger@eyesopen.com>
7049 Matt Thomas <matt@3am-software.com>
7051 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
7053 2007-02-11 Roger Sayle <roger@eyesopen.com>
7055 * simplify-rtx.c (simplify_relational_operation_1): Optimize
7056 comparisons of POPCOUNT against zero.
7057 (simplify_const_relational_operation): Likewise.
7059 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7061 * doc/invoke.texi (Wextra): Delete outdated paragraph.
7063 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7065 * dwarf2out.c (root_type): Delete unused function.
7067 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7069 * genattrtab.c (contained_in_p): Delete unused function.
7070 (write_expr_attr_cache): Likewise.
7072 2007-02-11 Jan Hubicka <jh@suse.cz>
7074 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
7077 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
7079 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
7080 to add the REG_EQ* note.
7081 * see.c (see_merge_one_use_extension): Likewise.
7082 * local-alloc.c (update_equiv_regs): Likewise. Also don't
7083 turn REG_EQUAL notes into REG_EQUIV notes if the target
7084 register may have more than one set.
7085 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
7086 * gcse.c (try_replace_reg): Likewise.
7087 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
7088 * calls.c (fixup_tail_calls): Likewise. Abort if there is
7089 more than one REG_EQUIV note.
7090 * reload1.c (gen_reload): Use set_unique_reg_note.
7092 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
7094 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
7095 (ix86_builtin_conversion): New function.
7097 2007-02-06 Mark Mitchell <mark@codesourcery.com>
7100 * tree.h (DECL_REPLACEABLE_P): New macro.
7101 * except.c (set_nothrow_function_flags): Likewise.
7103 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
7104 Ira Rosen <irar@il.ibm.com>
7105 Dorit Nuzman <dorit@il.ibm.com>
7107 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
7108 * targhooks.c (default_builtin_vectorized_conversion): New.
7109 * targhooks.h (default_builtin_vectorized_function): New declaration.
7110 * target.h (struct vectorize): Add builtin_conversion field.
7111 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
7112 stmt_vec_info_type value.
7113 (vectorizable_conversion): New declaration.
7114 * tree-vect-analyze.c (vect_analyze_operations): Add
7115 vectorizable_conversion call.
7116 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
7117 * tree-vect-transform.c (vectorizable_conversion): New function.
7118 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
7119 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
7121 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
7122 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
7123 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
7124 or ALTIVEC_BUILTIN_VCFSX.
7126 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7129 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
7130 CONST_DOUBLE and operand 0 is a hard register.
7131 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
7132 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
7133 is a hard floating-point register.
7135 2007-02-10 Richard Henderson <rth@redhat.com>
7136 Jakub Jelinek <jakub@redhat.com>
7137 Alexandre Oliva <aoliva@redhat.com>
7139 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
7140 * builtin-types.def (BT_WORD): Make unsigned.
7141 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7142 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7143 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7144 * c-decl.c (grokdeclarator): Don't error if !have_tls.
7145 * c-parser.c (c_parser_omp_threadprivate): Likewise.
7146 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7148 * expr.c (emutls_var_address): New.
7149 (expand_expr_real_1): Expand emulated tls.
7150 (expand_expr_addr_expr_1): Likewise.
7151 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7152 * output.h (emutls_finish): Declare.
7153 * toplev.c (compile_file): Call it.
7154 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7155 address before wrapping in CONST.
7156 * varasm.c (emutls_htab, emutls_object_type): New.
7157 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7158 (get_emutls_object_name, get_emutls_object_type): New.
7159 (get_emutls_init_templ_addr, emutls_decl): New.
7160 (emutls_common_1, emutls_finish): New.
7161 (assemble_variable): When emulating tls, swap decls; generate
7162 constructor for the emutls objects.
7163 (do_assemble_alias): When emulating tls, swap decl and target name.
7164 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7166 * varpool.c (decide_is_variable_needed): Look at force_output.
7167 Recurse for emulated tls.
7168 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
7169 with decide_is_variable_needed.
7170 * emutls.c: New file.
7171 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7172 tls_object for real tls.
7174 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
7176 PR rtl-optimization/29599
7177 * reload1.c (eliminate_regs_in_insn): Take the destination
7178 mode into account when computing the offset.
7180 2007-02-09 Stuart Hastings <stuart@apple.com>
7181 Richard Henderson <rth@redhat.com>
7183 * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7184 * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7185 * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
7186 fixuns_truncdfhi2): New.
7187 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
7188 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
7189 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
7190 (floatunssidf2): Allow nonimmediate source.
7191 * config/i386/sse.md (movdi_to_sse): New.
7192 (vec_concatv2di): Drop '*'.
7193 * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
7194 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7195 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
7197 * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
7198 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7199 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
7200 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
7201 (ix86_build_signbit_mask): Fix decl of v, refactor to call
7202 ix86_build_const_vector.
7203 (x86_emit_floatuns): Rewrite.
7205 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7207 * genautomata.c (longest_path_length): Delete unused function.
7208 (struct state): Delete unused longest_path_length.
7209 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
7210 (get_free_state): Delete unused.
7212 2007-02-09 Jan Hubicka <jh@suse.cz>
7214 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
7215 * doc/invoke.texi (inline-unit-growth): Update default value.
7217 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
7218 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
7219 (rebuild_cgraph_edges): Likewise.
7220 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
7221 (dump_cgraph_node): Dump frequencies.
7222 (cgraph_clone_edge): Add frequency scales.
7223 (cgraph_clone_node): Add freuqnecy.
7224 * cgraph.h (cgraph_edge): Add freuqnecy argument.
7225 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
7226 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
7227 * tree-pass.h (TODO_rebuild_frequencies): New constant.
7228 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
7229 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
7230 (save_inline_function_body): Likewise.
7231 * ipa-inline.c: inluce rtl.h
7232 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
7233 (cgraph_edge_badness): Use frequencies.
7234 (cgraph_decide_recursive_inlining): Update clonning.
7235 (cgraph_decide_inlining_of_small_function): Dump frequency.
7236 * predict.c (estimate_bb_frequencies): Export.
7237 * predict.h (estimate_bb_frequencies): Declare.
7238 * tree-inline.c (copy_bb): Watch overflows.
7239 (expand_call_inline): Update call of cgraph_create_edge.
7240 (optimize_inline_calls): Use TODO flags to update frequnecies.
7241 * passes.h: Include predict.h
7242 (init_optimization_passes): Move profile ahead.
7243 (execute_function_todo): Handle TODO_rebuild_frequencies.
7245 2007-02-09 Roger Sayle <roger@eyesopen.com>
7247 * config/alpha/alpha.c (emit_insxl): Force the first operand of
7248 the insbl or inswl pattern into a register.
7250 2007-02-09 Roger Sayle <roger@eyesopen.com>
7252 * config/ia64/ia64.md (bswapdi2): New define_insn.
7254 2007-02-09 Richard Henderson <rth@redhat.com>
7256 * config/i386/constraints.md (Ym): New constraint.
7257 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
7258 (movdi_1_rex64): Split sse and xmm general register moves from
7259 memory move alternatives. Use conditional register constraints.
7260 (movsf_1, movdf_integer): Likewise.
7261 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
7262 (movdf_integer_rex64): New.
7263 (pushsf_rex64): Fix output constraints.
7264 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
7265 (sse2_stored): Likewise.
7266 (sse2_storeq_rex64): New.
7267 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
7268 amd and not generic.
7269 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
7270 for optimize_size. Remove SF/DFmode hack.
7272 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
7274 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
7277 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
7278 Richard Sandiford <richard@codesourcery.com>
7280 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
7281 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
7282 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
7283 m68k/t-mlib to tmake_file.
7284 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
7285 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
7286 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
7287 Allow it to be cf or m68k. Set m68k_arch_family. If that
7288 variable is not empty, add t-$m68k_arch_family to tmake_file.
7289 Add t-mlibs to tmake_file.
7290 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
7291 * config/m68k/t-cf: New file.
7292 * config/m68k/t-m68k: Likewise.
7293 * config/m68k/t-mlibs: Likewise.
7294 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7295 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7296 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7297 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7298 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
7300 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
7301 (INSTALL_LIBGCC): Delete.
7302 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7303 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7304 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7305 (M68K_MLIB_CPU): Define.
7306 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7307 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7308 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
7310 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7311 Richard Guenther <rguenther@suse.de>
7314 * fold-const.c (fold_comparison): Handle obfuscated comparisons
7315 against INT_MIN/INT_MAX.
7316 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
7317 file if a loop is removed.
7319 2007-02-09 Joseph Myers <joseph@codesourcery.com>
7321 * calls.c (store_one_arg): Pass correct alignment to
7322 emit_push_insn for non-BLKmode values.
7323 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
7324 unaligned stack slot via a suitably aligned slot.
7326 2007-02-08 DJ Delorie <dj@redhat.com>
7328 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
7330 (legal_subregs): Use unsigned char, make const.
7331 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
7333 2007-02-08 Paul Brook <paul@codesourcery.com>
7335 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
7336 special interworking needed.
7338 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
7340 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
7341 conditional to __SSE2__.
7342 (Entries below should have been added to first ChangeLog
7343 entry for amdfam10 dated 2007-02-05)
7344 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
7346 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
7348 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
7351 2007-02-08 DJ Delorie <dj@redhat.com>
7353 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
7354 * config/m32c/m32c.c (legal_subregs): New.
7355 (m32c_illegal_subreg_p): New.
7356 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
7357 unsupported subregs of hard regs.
7359 2007-02-08 Jan Hubicka <jh@suse.cz>
7361 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
7362 the same one; always update histograms.
7364 2007-02-08 Diego Novillo <dnovillo@redhat.com>
7366 * passes.c (init_optimization_passes): Tidy comment.
7368 2007-02-08 Roger Sayle <roger@eyesopen.com>
7370 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
7371 strip zero_extend, bswap and rotates from POCOUNT's argument.
7372 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
7373 zero_extend and rotates from PARITY's argument.
7374 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
7375 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
7376 of an integer constant at compile-time.
7378 2007-02-08 Diego Novillo <dnovillo@redhat.com>
7381 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
7383 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
7386 * tree-ssa-live.c (remove_unused_locals): Do not remove
7387 TREE_ADDRESSABLE variables.
7388 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
7389 * tree-ssa-operands.c (add_virtual_operand): Remove argument
7390 FOR_CLOBBER. Update all users.
7391 If VAR has an associated alias set, add a virtual operand for
7392 it if no alias is found to conflict with the memory reference.
7394 2007-02-07 Jan Hubicka <jh@suse.cz>
7395 Robert Kidd <rkidd@crhc.uiuc.edu>
7397 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
7399 2007-02-07 Ian Lance Taylor <iant@google.com>
7401 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
7403 2007-02-07 Roger Sayle <roger@eyesopen.com>
7405 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
7406 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
7407 tablejumpdi, movsi_to_cr_one): Remove constraints from
7408 define_expand's match_operands.
7410 2007-02-07 Roger Sayle <roger@eyesopen.com>
7412 * global.c (compute_regsets): Move declatation of "i" inside of
7413 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
7415 2007-02-07 Jakub Jelinek <jakub@redhat.com>
7418 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
7419 of INDIRECT_REF <RESULT_DECL>.
7421 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
7423 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
7424 Kaz Kojima <kkojima@gcc.gnu.org>
7427 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
7429 (sh_initialize_trampoline): Add parentheses to avoid a warning.
7431 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7433 * doc/loop.texi: Document possibility not to perform disambiguation
7434 of loops with multiple latches.
7435 * cfgloopmanip.c (alp_enum_p): Removed.
7436 (add_loop): Handle subloops. Use get_loop_body_with_size.
7437 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
7438 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
7439 the new forwarder block.
7440 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
7441 Handle the case latch is NULL.
7442 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
7443 when marking loop exits.
7444 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
7446 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
7447 disambiguate_loops_with_multiple_latches.
7448 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
7449 before fix_loop_structure.
7450 * cfgloop.c: Include pointer-set.h and output.h.
7451 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
7452 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
7453 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
7454 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
7455 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
7456 disambiguate_multiple_latches, get_loop_body_with_size,
7457 disambiguate_loops_with_multiple_latches): New functions.
7458 (flow_loop_dump): Dump multiple latch edges.
7459 (flow_loop_nodes_find): Handle loops with multiple latches.
7460 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
7461 (glb_enum_p): Modified.
7462 (get_loop_body): Use get_loop_body_with_size.
7463 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
7464 (AVOID_CFG_MODIFICATIONS): New constant.
7465 (disambiguate_loops_with_multiple_latches, add_loop,
7466 get_loop_body_with_size): Declare.
7467 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
7469 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
7472 * global.c (compute_regsets): New function.
7473 (global_alloc): Refactored ELIMINABLE_REGSET
7474 and NO_GLOBAL_ALLOC_REGS computation out.
7475 (rest_of_handle_global_alloc): Call compute_regsets()
7476 for non-optimizing case.
7478 2007-02-06 Richard Henderson <rth@redhat.com>
7480 * config/i386/constraints.md (Y2): Rename from Y.
7481 (Yi): New constraint.
7482 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
7483 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
7484 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
7485 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
7486 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
7487 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
7488 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
7489 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
7490 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
7491 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
7492 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
7493 vec_extractv2si_1): Change Y constraints to Y2.
7494 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
7495 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
7496 Change Y constraints to Y2.
7497 (sse2_loadld): Change Y constraints to x.
7499 2007-02-06 Roger Sayle <roger@eyesopen.com>
7501 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
7502 (parity<mode>2): New define_expand using rs6000_emit_parity.
7503 * config/rs6000/rs6000.c (rs6000_emit_popcount,
7504 rs6000_emit_parity): New functions.
7505 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
7506 rs6000_emit_parity): Prototype here.
7508 2007-02-06 Ian Lance Taylor <iant@google.com>
7510 * lower-subreg.c (simple_move_operand): Reject CONST.
7511 (resolve_clobber): Call validate_change rather than directly
7512 assigning to XEXP (pat, 0).
7514 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
7516 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
7517 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
7518 (tree-cfg.o): Remove hashtab.h dependency.
7520 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
7521 (struct ivopts_data): Change niters to pointer_map_t.
7522 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
7523 (niter_for_exit): Create pointer_map on demand. Change for
7525 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
7526 (free_loop_data): Destroy data->niters if created and reset field.
7527 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
7528 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
7530 * tree-ssa-reassoc.c: Include pointer-set.h.
7531 (bb_rank): Change to long *.
7532 (operand_rank): Change to pointer_map_t.
7533 (find_operand_rank): Return long, -1 if not found. Declare as inline.
7534 (insert_operand_rank): Accept long.
7535 (operand_entry_hash, operand_entry_eq): Remove.
7536 (get_rank): Return long. Adjust for changes above.
7537 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
7539 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
7541 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
7542 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
7543 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
7545 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
7546 directly since it cannot be NULL.
7547 (get_vi_for_tree): Rewrite for pointer_map API.
7548 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
7549 (init_alias_vars): Create vi_for_tree as pointer_map.
7550 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
7552 * tree-cfg.c: Don't include hashtab.h.
7553 (edge_to_cases): Declare as pointer_map.
7554 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
7556 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
7557 (start_recording_case_labels): Create edge_to_cases as pointer_map.
7558 (end_recoding_case_labels): Cleanup edge_to_cases manually before
7560 (record_switch_edge): Delete.
7561 (get_cases_for_edge): Adjust for pointer_map API, inline
7562 record_switch_edge (rewritten for new API), remove goto.
7564 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
7566 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
7567 * tree-nested.c: Include pointer-set.h.
7568 (var_map_elt, var_map_eq, var_map_hash): Delete.
7569 (struct nesting_info): Remove GTY marker. Change the two htab_t's
7571 (nesting_info_bitmap_obstack): New.
7572 (lookup_field_for_decl): Adjust for pointer_map API.
7573 (lookup_tramp_for_decl): Adjust for pointer_map API.
7574 (get_nonlocal_debug_decl): Adjust for pointer_map API.
7575 (get_local_debug_decl): Adjust for pointer_map API.
7576 (convert_nl_goto_reference): Adjust for pointer_map API.
7577 (convert_nl_goto_receiver): Adjust for pointer_map API.
7578 (create_nesting_tree): Create outside GGC space. Create bitmap on
7579 the new obstack. Create field_map and var_map as pointer_maps.
7580 (free_nesting_tree): Adjust for changes to create_nesting_tree.
7582 (lower_nested_functions): Move root here, no need to NULL it.
7583 Initialize and release the obstack.
7585 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
7587 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
7588 Remove prototypes and make them non-static.
7589 (struct tree_int_map): Remove.
7590 * tree.h (struct tree_int_map): Move here, turning TO into an
7592 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
7594 * tree.h (TREE_COMPLEXITY): Remove.
7595 (struct tree_exp): Remove complexity field.
7596 * tree.c (build1_stat): Don't set it.
7598 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
7599 Victor Kaplansky <victork@il.ibm.com>
7601 * tree-vectorizer.c (vect_is_simple_use): Support induction.
7602 (vect_is_simple_reduction): Support reduction with induction as
7603 one of the operands.
7604 (vect_is_simple_iv_evolution): Fix formatting.
7605 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
7606 formatting. Don't mark induction phis for vectorization.
7607 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
7608 * tree-vect-transform.c (get_initial_def_for_induction): New function.
7609 (vect_get_vec_def_for_operand): Support induction.
7610 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
7612 (vectorizable_reduction): Support reduction with induction as one of
7614 (vectorizable_type_demotion): Use def-type of stmt argument rather
7615 than dummy def-type.
7617 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
7618 flag_tree_scev_cprop.
7619 * common.opt (tree-scev-cprop): New flag.
7621 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
7622 call to vect_get_new_vect_var.
7624 2007-02-06 Ira Rosen <irar@il.ibm.com>
7626 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
7627 vectype is not NULL.
7628 (vect_pattern_recog_1): Likewise.
7630 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7632 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
7633 (fold_negate_expr): Likewise.
7635 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
7638 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
7639 even if cv-qualification is the same.
7641 2007-02-05 Geoffrey Keating <geoffk@apple.com>
7643 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
7644 __enable_execute_stack on completion.
7646 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
7648 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
7649 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
7650 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
7651 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
7652 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
7653 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
7654 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
7655 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
7657 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
7659 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
7660 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
7661 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
7662 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
7663 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
7664 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
7665 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
7666 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
7667 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
7668 umuldi3_highpart_rex64, umulsi3_highpart_insn,
7669 umulsi3_highpart_zext, smuldi3_highpart_rex64,
7670 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
7671 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
7672 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
7673 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
7674 sqrtextenddfxf2_i387): Added amdfam10_decode.
7676 * config/i386/athlon.md (athlon_idirect_amdfam10,
7677 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
7678 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
7679 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
7680 athlon_ivector_store_amdfam10): New define_insn_reservation.
7681 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
7684 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
7686 * config/i386/athlon.md (athlon_call_amdfam10,
7687 athlon_pop_amdfam10, athlon_lea_amdfam10): New
7688 define_insn_reservation.
7689 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
7690 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
7691 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
7693 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
7695 * config/i386/athlon.md (athlon_sseld_amdfam10,
7696 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
7697 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
7699 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
7701 * config/i386/athlon.md (athlon_sseins_amdfam10): New
7702 define_insn_reservation.
7703 * config/i386/i386.md (sseins): Added sseins to define_attr type
7704 and define_attr unit.
7705 * config/i386/sse.md: Set type attribute to sseins for insertq
7708 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
7710 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
7711 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
7712 ssecomi_load_amdfam10, ssecomi_amdfam10,
7713 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
7714 define_insn_reservation.
7715 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
7717 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
7719 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
7720 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
7721 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
7722 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
7723 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
7724 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
7725 define_insn_reservation.
7727 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
7728 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
7729 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
7730 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
7731 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
7733 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
7735 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
7736 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
7737 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
7738 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
7739 athlon_ssemul_load_k8): Added amdfam10.
7741 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
7743 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
7744 (x86_sse_unaligned_move_optimal): New variable.
7746 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
7748 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
7749 for unaligned vector SSE double/single precision loads for AMDFAM10.
7751 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
7753 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
7754 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
7755 Define TARGET_CPU_DEFAULT_amdfam10.
7756 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
7757 (processor_type): Add PROCESSOR_AMDFAM10.
7759 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
7760 processor_type in config/i386/i386.h.
7761 Enable imul peepholes for TARGET_AMDFAM10.
7763 * config.gcc: Add support for --with-cpu option for amdfam10.
7765 * config/i386/i386.c (amdfam10_cost): New variable.
7766 (m_AMDFAM10): New macro.
7767 (m_ATHLON_K8_AMDFAM10): New macro.
7768 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
7769 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
7770 x86_promote_QImode, x86_integer_DFmode_moves,
7771 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7772 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
7773 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
7774 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
7775 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
7776 Enable/disable for amdfam10.
7777 (override_options): Add amdfam10_cost to processor_target_table.
7778 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
7779 processor_alias_table.
7780 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
7781 (ix86_adjust_cost): Add code for amdfam10.
7783 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
7785 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
7786 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
7787 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
7788 * config/i386/i386.h: Add builtin definition for SSE4A.
7789 * config/i386/i386.md: Add support for ABM instructions
7791 * config/i386/sse.md: Add support for SSE4A instructions
7792 (movntss, movntsd, extrq, insertq).
7793 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
7794 Add -march=amdfam10 flag.
7795 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
7796 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
7798 * doc/extend.texi: Add documentation for SSE4A builtins.
7800 2007-02-05 Bob Wilson <bob.wilson@acm.org>
7802 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
7804 2007-02-05 Richard Guenther <rguenther@suse.de>
7806 * tree-vectorizer.h (vectorizable_function): Add argument type
7807 argument, change return type.
7808 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
7809 * tree-vect-transform.c (vectorizable_function): Handle extra
7810 argument, return vectorized function decl.
7811 (build_vectorized_function_call): Remove.
7812 (vectorizable_call): Handle calls with result and argument types
7813 differing. Handle loop vectorization factor correctly.
7814 * targhooks.c (default_builtin_vectorized_function): Adjust for
7816 * targhooks.h (default_builtin_vectorized_function): Likewise.
7817 * target.h (builtin_vectorized_function): Add argument type
7819 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
7820 extra argument, allow vectorizing of lrintf.
7821 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
7822 documentation of target hook.
7824 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
7827 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
7828 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
7829 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
7831 2007-02-05 Roger Sayle <roger@eyesopen.com>
7833 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
7834 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
7835 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
7836 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
7837 before canonicalizing sincos to cexpi.
7838 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
7840 2007-02-05 Roger Sayle <roger@eyesopen.com>
7842 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
7843 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
7844 (alpha_init_builtins): Use alpha_add_builtins to process tables.
7846 2007-02-05 Roger Sayle <roger@eyesopen.com>
7848 * mips-tfile.c (initialize_init_file): Correct endianness test.
7850 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
7852 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
7855 2007-02-05 Richard Sandiford <richard@codesourcery.com>
7857 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
7858 saves in a PARALLEL before the register assignments.
7860 2007-02-05 Richard Sandiford <richard@codesourcery.com>
7862 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
7863 DWARF_FRAME_RETURN_COLUMN to be a general register.
7864 * dwarf2out.c (init_return_column_size): New function, split from...
7865 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
7866 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
7867 to be nongeneral registers.
7868 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
7870 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
7871 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
7873 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7875 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
7877 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7879 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
7880 (remove_path): Use can_remove_branch_p and remove_branch instead
7881 of loop_delete_branch_edge.
7882 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
7883 (tree_transform_and_unroll_loop): Remove dead branches immediately.
7884 Update profile using scale_dominated_blocks_in_loop.
7885 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
7886 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
7887 (can_remove_branch_p, remove_branch): Declare.
7888 * tree-cfg.c (tree_can_remove_branch_p): New function.
7889 (tree_cfg_hooks): Add tree_can_remove_branch_p.
7890 * cfgrtl.c (rtl_can_remove_branch_p): New function.
7891 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
7893 2007-02-05 Jan Hubicka <jh@suse.cz>
7896 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
7897 nodes in cgraph, don't remove offline copy of the function.
7899 2007-02-04 Jan Hubicka <jh@suse.cz>
7901 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
7902 vectors might cause maybe_lookup_element_for_expr to be called
7903 on non-sra-candidate.
7905 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
7907 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
7908 config/bfin/bfin.md, config/bfin/predicates.md: Follow
7909 spelling conventions.
7911 2007-02-04 Richard Guenther <rguenther@suse.de>
7914 * fold-const.c (try_move_mult_to_index): Make sure to not
7915 overflow one dimension of a multi-dimensional array access.
7917 2007-02-04 Jan Hubicka <jh@suse.cz>
7919 * passes.c (init_optimization_passes): Reindent.
7921 2007-02-04 Jan Hubicka <jh@suse.cz>
7922 Eric Botcazou <ebotcazou@adacore.com>
7924 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
7925 (execute_fixup_cfg): Break out the abnormal goto code.
7926 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
7927 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
7928 (optimize_inline_calls): Call make_nonlocal_label_edges.
7930 2007-02-04 Jan Hubicka <jh@suse.cz>
7932 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
7933 true when something was changed.
7934 (rename_ssa_copies): When something was changed, do
7935 TODO_remove_unused_locals.
7936 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
7937 add TODO_remove_unused_locals when instruction was removed.
7939 2007-02-04 Jan Hubicka <jh@suse.cz>
7941 * ipa-inline.c (try_inline): Improve debug output; work on already
7943 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
7944 call try_inline for already inlined edges too when flattening;
7945 inline also functions that make callee growth but overall unit size
7948 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
7950 * config/m32c/bitops.md, config/m32c/jump.md,
7951 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
7952 config/m32r/m32r.h, config/m32r/m32r.md,
7953 config/m32r/predicates.md, config/m68hc11/larith.asm,
7954 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
7955 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
7956 config/mips/mips-protos.h, config/mips/mips.c,
7957 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
7958 config/mn10300/mn10300.h, config/mn10300/predicates.md,
7959 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
7960 spelling conventions.
7962 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
7963 Follow spelling conventions.
7965 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
7967 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
7968 warn about C++0x compatibility.
7970 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
7972 * config/h8300/h8300.c, config/h8300/h8300.h,
7973 config/h8300/h8300.md: Follow spelling conventions.
7975 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
7978 * combine.c (try_combine): Do not substitute source operand
7979 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
7981 2007-02-03 Jan Hubicka <jh@suse.cz>
7983 PR gcov-profile/30650
7984 * value-prof.c (stringop_block_profile): Fix handling of size counter;
7985 do not divide by zero for never executed counters.
7986 (tree_find_values_to_profile): Fix counters.
7987 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
7989 2007-02-03 Ian Lance Taylor <iant@google.com>
7991 * lower-subreg.c (simple_move_operand): New static function,
7992 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
7994 (simple_move): Call simple_move_operand.
7995 (find_decomposable_subregs): Add special handling of MEMs.
7996 (can_decompose_p): Rename from cannot_decompose_p. Reverse
7997 meaning of return value. If we see a hard register, test whether
7998 it can store a word_mode value. Change all callers.
8000 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8002 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
8003 ftrapv insns and expanders.
8004 (subdi3): Change define_expand operand 1 to arith11_operand, and
8005 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
8006 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
8007 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
8011 * varasm.c (notice_global_symbol): Treat global objects as weak when
8014 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8016 * emit-rtl.c (dconstpi): Delete.
8018 (init_emit_once): Delete dconstpi and init dconstsqrt2.
8019 * real.h (dconstpi): Delete.
8021 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
8022 (fold_builtin_hypot): Likewise.
8024 2007-02-03 Tom Tromey <tromey@redhat.com>
8027 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
8028 -gcoff3, -gxcoff3, -gvms3 implies -dD.
8030 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
8032 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
8033 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
8034 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
8035 config/rs6000/cell.md, config/rs6000/darwin.h,
8036 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
8037 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
8038 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
8039 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
8040 typos. Follow spelling conventions.
8041 * doc/invoke.texi: Follow spelling conventions.
8043 2007-02-03 Roger Sayle <roger@eyesopen.com>
8045 * simplify-rtx.c (simplify_relational_operation_1): Implement some
8046 canonicalization transformations that attempt to simplify integer
8047 constant comparisons to become comparisons against zero.
8049 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8051 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
8053 * fold-const.c (fold_binary): Fix comment typos. Fold complex
8054 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
8056 2007-02-02 Mike Stump <mrs@apple.com>
8058 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
8059 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
8060 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
8061 generate a branch island.
8063 2007-02-02 Bob Wilson <bob.wilson@acm.org>
8065 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
8066 (xtensa_legitimate_address_p): New.
8067 (xtensa_legitimize_address): New.
8068 (xtensa_output_addr_const_extra): New.
8069 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
8071 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
8072 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
8073 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
8074 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
8075 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
8076 (xtensa_legitimize_address): New.
8077 (xtensa_output_addr_const_extra): New.
8079 2007-02-02 Steve Ellcey <sje@cup.hp.com>
8081 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
8083 2007-02-02 Ian Lance Taylor <iant@google.com>
8085 * expmed.c (expand_divmod): Add comment.
8087 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
8089 * emit-rtl.c (renumber_insns): Remove.
8090 * flags.h: Remove the extern for flag_renumber_insns.
8091 * rtl.h: Remove the prototype for renumber_insns.
8092 * toplev.c (flag_renumber_insns): Remove.
8094 2007-02-02 Hui-May Chang <hm.chang@apple.com>
8096 Revert for x86 darwin:
8097 2005-06-19 Uros Bizjak <uros@kss-loka.si>
8099 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
8100 code before the following patch under TARGET_MACHO.
8101 (ix86_function_value_regno_p): Likewise.
8103 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8105 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
8108 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8111 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
8112 general or fp registers. Add comments.
8113 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
8115 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
8117 * pointer-set.c (insert_aux): Only return insertion slot.
8118 (pointer_set_insert): Adjust.
8119 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
8120 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
8121 pointer_map_traverse): New.
8122 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
8123 pointer_map_create, pointer_map_destroy, pointer_map_insert,
8124 pointer_map_contains, pointer_map_traverse): Declare.
8126 2007-02-02 Jakub Jelinek <jakub@redhat.com>
8129 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
8130 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
8132 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8134 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
8136 (struct _dep): New type.
8137 (dep_t): New typedef.
8138 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
8139 (DEP_STATUS): New access macro. The macro with the same name was
8140 renamed to DEP_LINK_STATUS.
8141 (dep_init): Declare function
8143 (struct _dep_link): New type.
8144 (dep_link_t): New typedef.
8145 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
8146 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
8147 (DEP_LINK_STATUS): New macro.
8148 (debug_dep_links): New debug function.
8150 (struct _deps_list): New type.
8151 (deps_list_t): New typedef.
8152 (DEPS_LIST_FIRST): New access macro.
8153 (FOR_EACH_DEP_LINK): New cycle macro.
8154 (create_deps_list, free_deps_list, delete_deps_list): Declare
8156 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
8157 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
8158 (copy_deps_list_change_con): Ditto.
8160 (move_dep_link): Declare function.
8162 (struct _dep_node): New type.
8163 (dep_node_t): New typedef.
8164 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
8166 (struct haifa_insn_data.back_deps): New field to hold backward
8167 dependencies of the insn.
8168 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
8170 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
8171 Change its type to deps_list_t.
8172 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
8173 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
8174 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
8176 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
8178 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
8180 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
8182 (dep_cost): Declare.
8184 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
8185 (ds_to_dk, dk_to_ds): New functions.
8187 (init_dep_1): New static function.
8188 (init_dep): New function.
8189 (copy_dep): New static function.
8191 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
8193 (detach_dep_link): New static function.
8194 (move_dep_link): New function.
8196 (dep_links_consistent_p, dump_dep_links): New static functions.
8197 (debug_dep_links): New debugging function.
8199 (deps_obstack, dl_obstack, dn_obstack): New static variables.
8201 (alloc_deps_list, init_deps_list): New static functions.
8202 (create_deps_list): New function.
8203 (clear_deps_list): New static function.
8204 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
8205 (deps_list_consistent_p, dump_deps_list): New static functions.
8206 (debug_deps_list): New function.
8207 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
8209 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
8211 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
8212 use new scheduler dependencies lists.
8213 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
8214 (sched_analyze): Ditto. Initialize dependencies lists.
8215 (add_forw_dep, compute_forward_dependences): Update to use new
8216 scheduler dependencies lists.
8218 (init_dependency_caches): Init deps_obstack.
8219 (free_dependency_caches): Free deps_obstack.
8221 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
8222 new scheduler dependencies lists.
8223 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
8224 (add_back_forw_dep, delete_back_forw_dep): Ditto.
8226 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
8227 Update to use new scheduler dependencies lists.
8228 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
8229 (debug_dependencies): Ditto.
8230 (schedule_region): Update comments.
8232 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
8233 scheduler dependencies lists.
8234 (schedule_ebb): Update comments.
8236 * rtl.def (DEPS_LIST): Remove.
8238 * lists.c (unused_deps_list): Remove.
8239 (free_list): Update assertions.
8241 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
8242 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8244 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
8245 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8247 * haifa-sched.c (comments): Update.
8248 (insn_cost1): Remove. Inline the code into insn_cost ().
8249 (insn_cost): Update to use new scheduler dependencies lists. Move
8250 processing of the dependency cost to dep_cost ().
8251 (dep_cost): New function. Use it instead of insn_cost () when
8252 evaluating cost of the dependency. Use compatible interface to
8253 interact with the target.
8254 (priority): Update to use new scheduler dependencies lists.
8255 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
8256 with greater number of insns that depend on the insn.
8257 (schedule_insn): Update to use new scheduler dependencies lists. Add
8258 code to free backward dependencies lists. Inline and optimize code
8259 from resolve_dep () - see PR28071.
8260 (ok_for_early_queue_removal): Update to use new scheduler dependencies
8261 lists. Update call to targetm.sched.is_costly_dependence hook.
8263 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
8264 scheduler dependencies lists.
8266 (resolve_dep): Remove. Move the logic to schedule_insn ().
8267 (init_h_i_d): Initialize dependencies lists.
8269 (process_insn_depend_be_in_spec): Rename to
8270 process_insn_forw_deps_be_in_spec. Update to use new scheduler
8272 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
8273 Update to use new scheduler dependencies lists.
8274 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
8276 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
8277 new scheduler dependencies lists.
8278 (build_intra_loop_deps): Ditto.
8280 * target.h (struct _dep): Declare to use in
8281 gcc_target.sched.is_costly_dependence.
8282 (struct gcc_target.sched.adjust_cost): Fix typo.
8283 (struct gcc_target.sched.is_costly_dependence): Change signature to use
8284 single dep_t parameter instead of an equivalent triad.
8285 (struct gcc_target.sched.adjust_cost_2): Remove.
8287 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
8289 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
8291 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
8293 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
8295 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
8296 (REG_DEP_TRUE): Document.
8298 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
8299 Change signature to correspond to the targetm.sched.adjust_cost hook.
8300 Update use in TARGET_SCHED_ADJUST_COST_2.
8301 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
8302 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
8303 new scheduler dependencies lists.
8304 (ia64_gen_check): Ditto.
8306 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
8309 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
8310 signature to correspond to the targetm.sched.is_costly_dependence hook.
8311 (is_costly_group): Update to use new scheduler dependencies lists.
8313 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
8314 instead of INSN_COST () macro.
8316 2007-02-01 Ian Lance Taylor <iant@google.com>
8318 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
8320 2007-02-01 Guy Martin <gmsoft@gentoo.org>
8322 * pa.md (tp_load): Correct mfctl instruction syntax.
8324 2007-02-01 Geoffrey Keating <geoffk@apple.com>
8326 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
8327 altivec_padding_size calculation on AIX. Improve comment, add
8328 assert to verify that it's right.
8330 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
8333 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
8336 * global.c (global_alloc): Add mising initialization of
8339 2007-02-01 Roger Sayle <roger@eyesopen.com>
8341 * alias.c (init_alias_analysis): Correct whitespace.
8342 * bb-reorder.c (fix_edges_for_rarely_executed_code,
8343 partition_hot_cold_basic_blocks): Likewise.
8344 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
8345 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
8346 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
8347 fold_builtin_snprintf_chk, fold_builtin_printf,
8348 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
8349 do_mpfr_arg3, do_mpfr_sincos): Likewise.
8350 * cfgcleanup.c (cleanup_cfg): Likewise.
8351 * cfgexpand.c (tree_expand_cfg): Likewise.
8352 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
8353 * function.c (get_next_funcdef_no): Likewise.
8354 * gengtype.c (main): Likewise.
8355 * genmodes.c (main): Likewise.
8356 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
8357 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
8358 * ifcvt.c (noce_emit_move_insn): Likewise.
8359 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
8361 * stor-layout.c (get_best_mode): Likewise.
8362 * tree-ssa-loop-niter.c (get_val_for): Likewise.
8363 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
8364 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
8365 perform_var_substitution, solve_graph): Likewise.
8366 * tree-vrp.c (vrp_finalize): Likewise.
8368 2007-02-01 Ian Lance Taylor <iant@google.com>
8370 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
8371 high part of a paradoxical subreg, return a constant zero.
8373 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
8375 * toplev.c (lang_dependent_init): Call init_set_costs.
8376 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
8378 2007-02-01 Richard Guenther <rguenther@suse.de>
8381 * fold-const.c (fold_negate_expr): Allow negating a
8382 constant if overflow does not change.
8384 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8386 * doc/c-tree.texi (Expression trees): Improve markup.
8387 * doc/tm.texi (Register Classes, Addressing Modes)
8388 (Floating Point): Fix spacing after abbreviations. Fix some
8391 2007-02-01 Ben Elliston <bje@au.ibm.com>
8393 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
8394 * doc/contrib.texi: Likewise.
8395 * doc/install.texi: Likewise.
8397 2007-01-31 Richard Henderson <rth@redhat.com>
8398 Ian Lance Taylor <iant@google.com>
8400 * lower-subreg.c: New file.
8401 * rtl.def (CONCATN): Define.
8402 * passes.c (init_optimization_passes): Add pass_lower_subreg and
8404 * emit-rtl.c (update_reg_offset): New static function, broken out
8405 of gen_rtx_REG_offset.
8406 (gen_rtx_REG_offset): Call update_reg_offset.
8407 (gen_reg_rtx_offset): New function.
8408 * regclass.c: Revert patch of 2006-03-05, restoring
8410 (clear_reg_info_regno): New function.
8411 * dwarf2out.c (concatn_loc_descriptor): New static function.
8412 (loc_descriptor): Handle CONCATN.
8413 * common.opt (fsplit_wide_types): New option.
8414 * opts.c (decode_options): Set flag_split_wide_types when
8416 * timevar.def (TV_LOWER_SUBREG): Define.
8417 * rtl.h (gen_reg_rtx_offset): Declare.
8418 (reg_scan_update): Declare.
8419 * regs.h (clear_reg_info_regno): Declare.
8420 * tree-pass.h (pass_lower_subreg): Declare.
8421 (pass_lower_subreg2): Declare.
8422 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
8423 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
8425 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
8426 * Makefile.in (OBJS-common): Add lower-subreg.o.
8427 (lower-subreg.o): New target.
8429 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
8431 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
8433 2007-01-31 Anatoly Sokolov <aesok@post.ru>
8436 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
8438 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8441 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
8443 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
8445 * cfgloop.h: Include vec-prim.h.
8446 (enum li_flags): Remove LI_ONLY_OLD.
8447 (loop_iterator): Changed.
8448 (fel_next, fel_init): Iterate over loop tree.
8449 (FOR_EACH_LOOP_BREAK): New macro.
8450 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
8452 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
8453 * modulo-sched.c (sms_schedule): Ditto.
8454 * tree-vectorizer.c (vectorize_loops): Ditto.
8455 * doc/loop.texi: Update information on loop numbering and behavior of
8456 FOR_EACH_LOOP wrto new loops.
8457 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8458 add_to_evolution_1): Test nestedness of loops instead of comparing
8460 * tree-chrec.c (chrec_fold_plus_poly_poly,
8461 chrec_fold_multiply_poly_poly, chrec_evaluate,
8462 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
8463 reset_evolution_in_loop): Ditto.
8464 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
8466 2007-01-31 Dirk Mueller <dmueller@suse.de>
8468 * c-common.c (warn_about_parentheses): Separate warning about
8469 un-parenthized sequence of comparison operators from the one
8470 which is supposed to warn about x <= y <= z.
8472 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
8474 * optabs.h (enum optab_index): Add new OTI_isinf.
8475 (isinf_optab): Define corresponding macro.
8476 * optabs.c (init_optabs): Initialize isinf_optab.
8477 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
8479 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
8480 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
8482 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
8483 expand_builtin_interclass_mathfn.
8484 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
8485 * config/i386/i386.md (UNSPEC_FXAM): New constant.
8486 (fxam<mode>2_i387): New insn pattern.
8487 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
8488 built-in functions as x87 inline asm.
8490 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
8492 * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
8494 2007-01-30 Eric Christopher <echristo@apple.com>
8496 * config.gcc: Add geode.
8498 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
8500 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
8501 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
8502 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
8503 value-prof.c: Fix comment typos.
8505 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8508 * doc/invoke.texi (Wpointer-arith): Document warning.
8510 2007-01-30 Janis Johnson <janis187@us.ibm.com>
8512 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
8513 the list of discrepancies from the draft TR.
8515 2007-01-30 Dirk Mueller <dmueller@suse.de>
8518 * doc/invoke.texi (-Wreturn-type): Update description to
8521 2007-01-30 Richard Sandiford <richard@codesourcery.com>
8523 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
8525 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
8527 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
8528 to handle optabs that operate on floating point input argument and
8529 output to integer output.
8530 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
8531 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
8532 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
8533 expand_builtin_interclass_mathfn ().
8534 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
8536 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
8537 ilogbl built-in functions as x87 intrinsics.
8539 2007-01-30 Richard Guenther <rguenther@suse.de>
8542 * dwarf2out.c (reference_to_unused): Query varpool if the
8543 variable was output.
8545 2007-01-30 Richard Guenther <rguenther@suse.de>
8548 * passes.c (execute_one_pass): Reset in_gimple_form to not
8549 confuse non-unit-at-a-time mode.
8551 2007-01-29 Roger Sayle <roger@eyesopen.com>
8552 Richard Guenther <rguenther@suse.de>
8554 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
8555 avoid undefined behaviour on overflow. Use force_fit_type_double
8556 to construct the constant with the specified TREE_OVERFLOW.
8558 2007-01-29 Janis Johnson <janis187@us.ibm.com>
8560 * config/dfp-bit.c: Add parameterized support for fp exceptions.
8561 * config/dfp-bit.h: Ditto.
8563 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8565 * c-decl.c (pop_scope): Replace warnings with call to
8566 warn_for_unused_label.
8567 * c-common.h (warn_for_unused_label): Declare.
8568 * c-common.c (warn_for_unused_label): Define.
8570 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8572 * tree-optimize.c (update_inlined_to_pointers): Delete unused
8575 2007-01-29 Janis Johnson <janis187@us.ibm.com>
8577 * Makefile.in (USER_H): Remove decfloat.h.
8578 * ginclude/decfloat.h: Delete, moving contents to ...
8579 * ginclude/float.h: Add support for decimal floating point,
8580 guarded by __STDC_WANT_DEC_FP__.
8582 2007-01-29 Mike Stump <mrs@apple.com>
8584 * doc/gccint.texi (Top): Rename Loop Representation to Loop
8585 Analysis and Representation to resolve case insensitive conflict.
8586 * doc/loop.texi (Loop Analysis and Representation): Likewise.
8588 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
8590 * tree.h (struct tree_memory_tag): Add aliases member.
8591 (MTAG_ALIASES): New macro.
8592 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
8593 (add_may_alias): Remove pointer-set. Update for may_aliases being
8595 (mark_aliases_call_clobbered): Update for may_aliases being a
8597 (compute_tag_properties): Ditto.
8598 (create_partition_for): Ditto.
8599 (compute_memory_partitions): Ditto.
8600 (dump_may_aliases_for): Ditto.
8601 (is_aliased_with): Ditto.
8602 (add_may_alias_for_new_tag): Ditto.
8603 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
8604 (compute_is_aliased): New function.
8605 (compute_may_aliases): Call compute_is_aliased).
8606 (init_alias_info): Initialize alias_bitmap_obstack.
8607 (union_alias_set_into): New function.
8608 (compute_flow_sensitive_aliasing): Use union_aliases_into.
8609 (have_common_aliases_p): Rewrite to take two bitmaps and use
8611 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
8613 (finalize_ref_all_pointers): Update for add_may_alias changes.
8614 (new_type_alias): Ditto.
8615 * tree-flow-inline.h (may_aliases): Return a bitmap.
8616 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
8617 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
8618 may_aliases being a bitmap.
8619 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
8620 may_aliases now returns a bitmap.
8621 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
8623 * tree-ssa-operands.c (add_virtual_operand): Update for
8624 may_aliases being a bitmap.
8626 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
8628 PR tree-optimization/30630
8629 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
8630 variable as changed.
8632 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
8635 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
8636 expanded only once even if an error occurs.
8638 2007-01-29 Ben Elliston <bje@au.ibm.com>
8640 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
8641 (__gcov_average_profiler): Likewise.
8642 (__gcov_ior_profiler): Likewise.
8643 (__gcov_merge_ior): Likewise.
8645 2007-01-28 Jan Hubicka <jh@suse.cz>
8647 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
8648 * value-prof.c (stringop_block_profile): Likewise.
8650 2007-01-28 Jan Hubicka <jh@suse.cz>
8652 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
8653 variant handling histograms; add wrapper.
8654 (clear_storage_via_libcall): Export.
8655 (emit_block_move_hints): Break out from ...; add histograms.
8656 (emit_block_move): ... this one.
8657 (clear_storage_hints): Break out from ...; add histograms.
8658 (clear_storage): ... this one.
8659 (set_storage_via_memset): Handle histogram.
8660 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
8661 (clear_storage_hints, clear_storage_via_libcall): Declare.
8662 (set_storage_via_setmem): Update prototype.
8663 * doc/md.texi (movmem, setmem): Document new arguments.
8665 * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
8667 (stringop_block_profile): New global function.
8668 (tree_stringops_values_to_profile): Profile block size and alignment.
8669 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
8671 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
8672 (stringop_block_profile): Declare.
8673 * builtins.c: Include value-prof.h.
8674 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
8675 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
8676 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
8677 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
8678 * profile.c (instrument_values): Add new counters.
8679 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
8681 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
8682 (tree_init_edge_profiler): Build new profilers.
8683 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
8684 (pass_tree_profile): Add dump.
8685 (tree_profile_hooks): Update.
8686 * Makefile.in (LIBGCOV): Add new constants.
8687 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
8688 __gcov_ior_profiler): New.
8689 * i386.md (movmem/setmem expanders): Add new optional arguments.
8691 2007-01-28 David Edelsohn <edelsohn@gnu.org>
8693 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
8695 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
8697 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
8698 (tree_unswitch_single_loop): Pass eni_size_weights to
8699 tree_num_loop_insns.
8700 * tree-ssa-loop-manip.c: Include tree-inline.h.
8701 (can_unroll_loop_p): Pass eni_size_weights to
8702 tree_num_loop_insns.
8703 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
8704 Pass eni_size_weights to estimate_num_insns.
8705 * tree.h (init_inline_once): Export.
8706 * toplev.c (backend_init): Call init_inline_once.
8707 * cgraphunit.c (cgraph_process_new_functions,
8708 cgraph_analyze_function): Pass eni_inlining_weights to
8710 * ipa-inline.c (compute_inline_parameters): Ditto.
8711 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
8712 to estimate_num_insns.
8713 (try_unroll_loop_completely): Pass eni_size_weights to
8714 tree_num_loop_insns.
8715 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
8716 ot estimate_num_insns.
8717 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
8718 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
8719 * tree-inline.c (eni_inlining_weights, eni_size_weights,
8720 eni_time_weights): New variables.
8721 (init_inline_once): Initialize them.
8722 (struct eni_data): Mew.
8723 (estimate_num_insns_1, estimate_num_insns): Use weights.
8724 * tree-inline.h (struct eni_weights_d): New.
8725 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
8726 (estimate_num_insns): Declaration changed.
8727 * cfgloop.h (tree_num_loop_insns): Declaration changed.
8728 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
8729 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
8731 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
8733 * tree-data-ref.c (conflict_fn): Assert that the number of affine
8734 relations in the conflict function is valid.
8736 2007-01-27 Ian Lance Taylor <iant@google.com>
8738 * common.opt: Add fstrict-overflow.
8739 * opts.c (decode_options): Set flag_strict_overflow if -O2.
8740 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
8741 (TYPE_OVERFLOW_UNDEFINED): Define.
8742 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
8744 * tree.h (TYPE_TRAP_SIGNED): Don't define.
8745 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
8746 (fold_negate_expr): Likewise.
8747 (make_range): Likewise.
8748 (extract_muldiv_1): Likewise.
8749 (maybe_canonicalize_comparison): Likewise.
8750 (fold_comparison): Likewise.
8751 (fold_binary): Likewise.
8752 (tree_expr_nonnegative_p): Likewise.
8753 (tree_expr_nonzero_p): Likewise.
8754 * tree-vrp.c (compare_values): Likewise.
8755 (extract_range_from_binary_expr): Likewise.
8756 (extract_range_from_unary_expr): Likewise.
8757 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
8759 (nowrap_type_p): Likewise.
8760 * tree-scalar-evolution.c (simple_iv): Likewise.
8761 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
8762 (build_range_check): Likewise.
8763 (extract_muldiv_1): Likewise.
8764 (fold_comparison): Likewise.
8765 * tree-vrp.c (vrp_int_const_binop): Likewise.
8766 (extract_range_from_unary_expr): Likewise.
8767 * convert.c (convert_to_integer): Likewise.
8768 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
8769 (fold_comparison): Likewise.
8770 (fold_binary): Likewise.
8771 * optabs.c (optab_for_tree_code): Likewise.
8772 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
8773 * simplify-rtx.c (simplify_const_relational_operation): Check
8774 flag_strict_overflow and flag_trapv.
8775 (simplify_const_relational_operation): Likewise.
8776 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
8777 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
8780 2007-01-27 Roger Sayle <roger@eyesopen.com>
8782 * tree.c (tree_fold_gcd): Delete.
8783 * tree.h (tree_fold_gcd): Remove prototype.
8784 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
8785 test whether one constant integer is a multiple of another. Instead
8786 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
8787 * fold-const.c (multiple_of_p): We've determined both TOP and
8788 BOTTOM are integer constants so we can call int_const_binop directly
8789 instead of the more generic const_binop.
8791 2007-01-27 Roger Sayle <roger@eyesopen.com>
8793 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
8794 1*X check that the constant hasn't overflowed, to preserve the
8796 (round_up): Provide an efficient implementation when rouding-up an
8797 INTEGER_CST to a power-of-two.
8799 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8801 * doc/sourcebuild.texi: Add comma for clarity.
8802 * doc/extend.texi: Fix some typos.
8803 * doc/passes.texi: Likewise.
8804 * doc/cppinternals.texi: Likewise.
8805 * doc/c-tree.texi: Likewise.
8806 * doc/tree-ssa.texi: Likewise.
8807 * doc/install.texi: Likewise.
8809 2007-01-27 Jan Hubicka <jh@suse.cz>
8811 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
8812 (pass_sra): Do not require alias information.
8813 * passes.c (init_optimization_passes): Add SRA
8815 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
8817 * tracer.c (rest_of_handle_tracer): We already cleaned
8818 up the CFG in tracer() so don't do it here again.
8819 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
8820 cleanup_cfg here, either. And don't call renumber_insns.
8822 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
8823 and BB_HEAD are in the insn stream here. Instead make sure
8824 that BB_INSN is valid on all insns. Also, do check here that
8825 there are no pending branch predictions...
8826 (rtl_verify_flow_info): ...instead of doing it here. Checks
8827 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
8830 2007-01-26 Roger Sayle <roger@eyesopen.com>
8832 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
8833 function to simplify/factorize operand order canonicalization.
8834 (ix86_fixup_binary_operands): Reorganize using the above function.
8835 (ix86_binary_operator_ok): Likewise.
8837 2007-01-27 Jakub Jelinek <jakub@redhat.com>
8839 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
8840 file scope from optimize_attrs.
8841 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
8843 (optimize_attrs): Clear insn_code_values after freeing it.
8845 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
8847 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
8848 a parts.base assignment.
8850 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
8852 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
8853 (compute_subscript_distance, initialize_data_dependence_relation,
8854 finalize_ddr_dependent, analyze_ziv_subscript,
8855 analyze_siv_subscript_cst_affine,
8856 compute_overlap_steps_for_affine_univar,
8857 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
8858 analyze_siv_subscript, analyze_miv_subscript,
8859 analyze_overlapping_iterations, subscript_dependence_tester_1,
8860 compute_self_dependence, free_dependence_relation): Work
8861 with affine_fn instead of chrecs.
8862 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
8863 common_affine_function, affine_function_base,
8864 affine_function_constant_p, affine_fn_op, affine_fn_plus,
8865 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
8866 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
8867 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
8868 (all_chrecs_equal_p): Removed.
8869 * tree-data-ref.h (affine_fn, conflict_function): New types.
8870 (struct subscript): Change type of conflicting_iterations_in_a
8871 and conflicting_iterations_in_b.
8873 2007-01-26 Steve Ellcey <sje@cup.hp.com>
8876 * config/pa/pa.h (TARGET_HPUX_11): New.
8877 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
8878 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
8880 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
8881 Richard Guenther <rguenther@suse.de>
8883 * tree-ssa-structalias.c (solve_graph): Handle case
8884 we merged the variable to another.
8886 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8888 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
8891 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
8892 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
8894 2007-01-25 DJ Delorie <dj@redhat.com>
8896 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
8897 allow changes to modes which don't fit in those registers.
8899 * reload1.c (choose_reload_regs): Check for invalid subregs before
8900 computing their locations, not after.
8902 2007-01-25 Geoffrey Keating <geoffk@apple.com>
8905 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
8906 save Altivec registers in an eh_return function.
8907 (compute_vrsave_mask): Likewise.
8908 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
8909 for saving Altivec registers.
8910 (rs6000_emit_prologue): Don't allocate stack twice in
8911 eh_return function. Correct expected value of altivec_save_offset
8912 when using save_world. Describe save of R0 to stack when using
8913 save_world. Describe stack pointer adjustment when using
8914 save_world. Remove duplicated eh_return parameter register saving.
8915 Update sp_offset variable after save_world.
8916 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
8918 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
8919 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
8922 2007-01-25 Steve Ellcey <sje@cup.hp.com>
8924 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
8926 2007-01-25 Steve Ellcey <sje@cup.hp.com>
8929 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
8930 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
8932 2007-01-25 Richard Guenther <rguenther@suse.de>
8934 * doc/invoke.texi (-Wcoverage-mismatch): Document.
8935 * common.opt (-Wcoverage-mismatch): New warning option.
8936 * coverage.c (get_coverage_counts): Ignore coverage mismatch
8937 if -Wcoverage-mismatch is given.
8939 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
8941 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
8942 (ipcp_driver): Change to static definition.
8943 Add dumping of the ifunctions.
8944 (constant_val_insert): Remove unused parameter. Support for SSA.
8945 (ipcp_propagate_const): Support for SSA.
8946 (ipcp_profile_bb_print): Print only analyzed nodes.
8947 (ipcp_replace_map_create): Remove support for Fortran constant
8949 * ipa-prop.c (ipa_method_modify_stmt,
8950 ipa_callsite_compute_param): Support for SSA.
8951 * ipa-prop.h (ipcp_driver): Remove declaration.
8952 (IS_VALID_TREE_MAP_INDEX): Add define.
8954 2007-01-24 Geoffrey Keating <geoffk@apple.com>
8956 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
8958 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8961 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
8962 constant argument to cabs and do it without checking for
8963 -funsafe-math-optimizations.
8965 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
8967 * c-common.h (RID_FIRST_CXX0X): New.
8968 (RID_LAST_CXX0X): New.
8969 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
8971 * c.opt (Wc++0x-compat): New.
8972 * doc/invoke.texi (-Wc++0x-compat): Document.
8974 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8976 * builtins.c (fold_builtin_carg): New.
8977 (fold_builtin_1): Use it.
8979 2007-01-24 Jan Hubicka <jh@suse.cz>
8981 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
8983 * ipa-inline.c (initial_insns, max_insns): Delete.
8984 (compute_max_insns): New function.
8985 (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
8986 of insns as base for code growth.
8987 (cgraph_decide_inlining): Make initial_insns local; do not compute
8989 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
8990 * doc/invoke.texi (inline-unit-growth): Update docs.
8992 2007-01-24 Jakub Jelinek <jakub@redhat.com>
8994 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
8995 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
8996 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
8997 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
8998 for CPUs that have PTA_CX16 set.
9001 * gimplify.c (omp_check_private): New function.
9002 (gimplify_scan_omp_clauses): Use it for
9003 firstprivate/lastprivate/reduction.
9006 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
9007 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
9010 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
9011 If lower_lastprivate_clauses emits some statements, append them
9012 to dlist rather than body_p and to body_p append an initializer.
9013 (lower_omp_for): Adjust caller.
9015 2007-01-24 Steve Ellcey <sje@cup.hp.com>
9017 * target.h (globalize_decl_name): New.
9018 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9019 * output.h (default_globalize_decl_name): New.
9020 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
9022 (globalize_decl): Ditto.
9023 (default_globalize_decl_name): New.
9024 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
9025 (ia64_handle_version_id_attribute): New.
9026 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9027 (ia64_asm_output_external): Use globalize_decl_name instead
9029 * doc/extend.texi (version_id): New pragma.
9030 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
9032 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
9034 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
9035 _uleb128_t and _Unwind_SWord with _sleb128_t.
9036 * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
9037 uw_frame_state_for, uw_update_context_1): Likewise.
9038 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
9039 * unwind-pe.h (read_uleb128, read_sleb128,
9040 read_encoded_value_with_base): Likewise.
9041 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
9043 2007-01-24 Richard Guenther <rguenther@suse.de>
9045 * builtins.c (expand_builtin_cexpi): Get the fndecl
9046 for cexp in the correct way.
9048 2007-01-24 Jan Hubicka <jh@suse.cz>
9050 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
9052 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
9054 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
9055 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
9056 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
9057 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
9058 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
9059 __SIZEOF_PTRDIFF_T__.
9060 * doc/cpp.texi: Documentation for the new builtin macros added.
9062 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
9064 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
9065 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
9066 instead of operands[2] to avoid access past the end of array.
9068 2007-01-24 Richard Sandiford <richard@codesourcery.com>
9070 * reload1.c (emit_reload_insns): Pass the reload register
9071 for a non-spill output reload through forget_old_reloads_1.
9073 2007-01-23 Joseph Myers <joseph@codesourcery.com>
9075 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
9076 _SOFT_DOUBLE if doubles use software floating-point.
9077 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
9078 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9079 * config/rs6000/darwin-ldouble.c: Also compile functions for
9080 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
9081 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9082 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
9083 commented-out long double override.
9084 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
9085 * config/rs6000/eabispe.h: Likewise.
9086 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
9087 long double for non-SPE.
9088 (rs6000_handle_option): Likewise.
9089 (invalid_e500_subreg): Disallow more subregs involding DImode,
9090 DFmode, TImode or TFmode.
9091 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
9093 (legitimate_lo_sum_address_p): Also check for TFmode for E500
9095 (rs6000_legitimize_address): Also handle TFmode for E500 double.
9096 (rs6000_legitimize_reload_address): Also handle TFmode for E500
9098 (rs6000_legitimate_address): Also check for TFmode for E500
9100 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
9101 (spe_build_register_parallel): Handle TFmode and TCmode.
9102 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
9104 (function_arg): Handle TFmode and TCmode for E500 double.
9105 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
9107 (print_operand): Handle TFmode and TImode for %y.
9108 (rs6000_generate_compare): Handle TFmode comparisons for E500
9110 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
9111 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
9112 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
9113 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
9114 TFmode for E500 double.
9115 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
9116 (floatsidf2): Enable for E500 double.
9117 (movtf_softfloat): Use rs6000_nonimmediate_operand.
9118 (extenddftf2): Change to extenddftf2_fprs.
9119 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
9120 depending on TARGET_E500_DOUBLE.
9121 (extendsftf2): Enable for E500 double.
9122 (trunctfdf2): Enable for E500 double.
9123 (trunctfsf2): Change to trunctfsf2_fprs.
9124 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
9125 depending on TARGET_E500_DOUBLE.
9126 (floatsitf2): Enable for E500 double.
9127 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
9128 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
9129 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
9130 (negtf2): Change to negtf2_internal.
9131 (negtf2): New expander.
9132 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
9133 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
9134 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
9135 (movdi_internal32): Use rs6000_nonimmediate_operand.
9136 (unnamed splitter): Likewise.
9137 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
9138 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
9139 (SPE64TF, DITI): New mode macros.
9140 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
9143 (frob_<mode>_di_2): New.
9144 (frob_tf_di_8_2): New.
9145 (frob_di_df): Change to frob_di_<mode>; allow more modes.
9147 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
9149 (frob_ti_<mode>_8_2): New.
9150 (frob_ti_tf_2): New.
9151 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
9152 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
9154 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
9155 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
9156 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
9157 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
9158 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
9159 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
9162 2007-01-23 Ian Lance Taylor <iant@google.com>
9164 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
9166 (OBJS-archive): Reformat, alphabetize.
9167 (OBJS): Change out_object_file to OBJS-md.
9169 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
9171 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
9172 JUMP_P and CALL_P predicates where applicable.
9173 * config/i386/i386.c: Ditto.
9174 * config/i386/i386.md: Ditto.
9175 * config/i386/mmx.md: Ditto.
9176 * config/i386/predicates.md: Ditto.
9178 2007-01-22 Andreas Schwab <schwab@suse.de>
9180 * config/m68k/m68k.h: Fix comment.
9182 2007-01-22 Jan Hubicka <jh@suse.cz>
9184 * passes.c (init_optimization_passes): Do not rerun
9185 pass_early_warn_uninitialized.
9187 2007-01-22 Richard Guenther <rguenther@suse.de>
9189 PR tree-optimization/30038
9190 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
9192 (execute_cse_sincos_1): Likewise.
9193 (execute_cse_sincos): Likewise.
9194 (gate_cse_sincos): Likewise.
9195 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
9196 the cexpi() canonicalization of sincos().
9197 * tree-pass.h (pass_cse_sincos): Declare.
9198 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
9200 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9202 PR rtl-optimization/29329
9203 * combine.c (replaced_rhs_insn): Rename to i2mod.
9204 (replaced_rhs_value): Rename to i2mod_new_rhs.
9205 (i2mod_old_rhs): New global variable.
9206 (combine_instructions): Adjust for above change. Save a copy of
9207 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
9208 note are substituted in the second instruction.
9209 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
9210 ditch the note if it pertains to the second eliminated register
9211 and this register is mentioned in i2mod_old_rhs.
9214 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
9216 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
9217 the insn to which the note was originally attached.
9219 2007-01-21 Jan Hubicka <jh@suse.cz>
9221 * ipa-inline.c (inlining_mode): Comment, move up.
9222 (cgraph_decide_inlining_incrementally): Do not perform inlining
9223 itself; fix handling of flattening of self recursive functions.
9224 (cgraph_find_cycles): Remove.
9225 (cgraph_flatten_node): Remove.
9226 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
9227 (try_inline): New function.
9228 (cgraph_early_inlining): Update call of
9229 cgraph_decide_inlining_incrementally. Apply inlining here.
9230 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
9232 2007-01-21 Dirk Mueller <dmueller@suse.de>
9235 * tree-vrp.c (check_array_bounds): do not warn
9236 about ADDR_EXPR's of ARRAY_REF's which are immediately
9237 used in binary expressions.
9239 2007-01-21 Ira Rosen <irar@il.ibm.com>
9241 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
9242 read_write_dep and macros for its access.
9243 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
9244 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
9245 argument, call vect_check_interleaving for every independent pair of
9246 data-refs. Mark loads that access the same memory location as a store
9248 (vect_check_dependences): Remove.
9249 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
9250 call, fix the call to vect_analyze_data_ref_dependence.
9251 (vect_analyze_data_ref_access): For statements that access the same
9252 data-ref, check that they are not stores; for loads, check that there
9253 is no store that access the same location.
9255 2007-01-20 Roger Sayle <roger@eyesopen.com>
9256 Joseph Myers <joseph@codesourcery.com>
9258 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
9259 (-fdump-rtl-stack): Likewise.
9260 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
9261 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
9262 (-mpt-fixed): Use @minus{} for minus sign.
9263 (Using Precompiled Headers): Fix under/overfull hbox.
9265 2007-01-20 Jan Hubicka <jh@suse.cz>
9267 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
9268 place within annotation.
9270 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9272 * pa.c (output_move_double): Change array size of xoperands to 4.
9274 2007-01-20 Jan Hubicka <jh@suse.cz>
9276 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
9279 2007-01-19 Ian Lance Taylor <iant@google.com>
9281 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
9282 constant to unsigned HOST_WIDE_INT before negating.
9284 2007-01-19 Ian Lance Taylor <iant@google.com>
9286 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
9288 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
9289 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9290 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
9291 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
9292 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9293 (realloc_vdef, realloc_vuse): Change second parameter to
9295 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
9297 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
9298 unsigned. Change x and lim locals to unsigned.
9299 (realloc_vdef, realloc_vuse): Change num_elem parameter to
9301 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
9302 (copy_virtual_operands): Change i and n locals to unsigned.
9304 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9307 * builtins.c (fold_builtin_1): Handle builtin fdim.
9309 2007-01-20 Jan Hubicka <jh@suse.cz>
9311 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
9312 * tree-ssa-structalias.c (compute_points_to_sets): Do call
9313 init_alias_heapvars.
9314 (init_alias_heapvars): Initialize only when not already initialized.
9315 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
9317 2007-01-19 Roger Sayle <roger@eyesopen.com>
9319 * common.opt (fsigned-zeros): New command line option.
9320 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
9321 of flag_unsafe_math_optimizations.
9322 * opts.c (set_fast_math_flags): The -ffast-math command line option
9323 implies -fno-signed-zeros.
9324 (fast_math_flags_set_p): Likewise.
9326 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
9327 the documentation of -ffast-math appropriately. Wrap long lines.
9329 2007-01-19 Steve Ellcey <sje@cup.hp.com>
9331 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
9332 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
9334 2007-01-19 Tomas Bily <tbily@suse.cz>
9336 * cgraphunit.c (cgraph_finalize_function): Updating of pid
9338 (tree_init_ic_make_global_vars): New function
9339 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
9340 (tree_gen_ic_profiler): New function
9341 (tree_gen_ic_func_profiler): New function
9342 (tree_profiling): Added calling of tree_gen_ic_func_profiler
9343 (tree_profile_hooks): Added hook for indirec/virtual calls
9344 * value-prof.c (tree_find_values_to_profile): New case for
9346 (tree_values_to_profile): Call for determining indirect/virtual
9348 (tree_indirect_call_to_profile): New function
9349 (tree_ic_transform): New function
9350 (tree_ic): New function
9351 (find_func_by_pid): New function
9352 (init_pid_map): New function
9353 (tree_value_profile_transformations): Added check for
9354 indirect/virtual call transformation
9355 * value-prof.h (enum hist_type): New counter type for
9356 indirect/virtual calls
9357 (profile_hooks): Added new hook for profiling indirect/virtual
9359 * profile.c (instrument_values): New case for indirect/virtual
9361 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
9362 (GCOV_COUNTER_V_INDIR): New counter type
9363 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
9364 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
9366 * cgraph.c: Definition of cgraph_max_pid
9367 (cgraph_create_node): Default init of pid attribute
9368 * cgraph.h: Declaration of cgraph_max_pid
9369 (struct cgraph_node): Added pid attribute
9370 * libgcov.c (__gcov_indirect_call_profiler): New function
9371 (__gcov_one_value_profiler_body): New function
9372 (__gcov_one_value_profiler): Body was moved to
9373 __gcov_one_value_profiler_body and calls it
9375 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
9377 * doc/gty.texi (Options): Document the mark_hook option to GTY.
9378 * gengtype.c (write_types_data, write_func_for_structure,
9379 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
9380 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
9381 (walk_type, write_func_for_structure): Generate the mark_hook if
9384 2007-01-19 Jan Hubicka <jh@suse.cz>
9386 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
9387 'early' argument take inlining mode argument specifying whether to
9388 inline for size/speeed or all functions; add support for flattening;
9390 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
9392 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9395 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
9396 the name of the declared identifier.
9398 2007-01-19 Dirk Mueller <dmueller@suse.de>
9400 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
9401 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
9402 duplicate evaluation.
9404 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
9406 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
9407 Macroize expander using X87MODEF12 mode macro. Extend operand 1
9408 to XFMode, use acosxf2 and truncate result to requested mode.
9409 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
9410 (asin<mode>2): Similarly, with asin expanders.
9411 (*fscalexf4_i387): Rename from *fscalexf4.
9412 (expNcorexf3): New expander.
9413 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
9414 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
9415 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
9416 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
9417 patterns for SSE math.
9418 (exp10<mode>2): Similarly, with exp10 expanders.
9419 (exp2<mode>2): Similarly, with exp2 expanders.
9420 (expm1<mode>2): Similarly, with expm1 expanders.
9421 (ldexp<mode>3): Similarly, with ldexp expanders.
9422 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
9423 Use gen_truncxf<mode>2_i387_noop to truncate result.
9425 2007-01-19 Richard Sandiford <richard@codesourcery.com>
9427 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
9428 for ColdFire targets.
9430 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
9431 Richard Sandiford <richard@codesourcery.com>
9433 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
9434 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
9435 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
9436 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
9437 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
9438 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
9440 2007-01-19 Richard Sandiford <richard@codesourcery.com>
9442 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
9443 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
9444 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
9445 (*adddi_dilshr32_cf): New pattern.
9446 (adddi3, subdi3): Remove first alternatives.
9448 2007-01-19 Richard Sandiford <richard@codesourcery.com>
9450 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
9451 implemented using move.l, do not use its cc result for floating-point
9454 2007-01-19 Richard Sandiford <richard@codesourcery.com>
9456 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
9457 from accepting 's' constraints if flag_pic.
9459 2007-01-19 Richard Sandiford <richard@codesourcery.com>
9461 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
9462 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
9463 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
9464 condition from TARGET_68881 to TARGET_HARD_FLOAT.
9466 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
9468 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
9469 ColdFire alternatives.
9470 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
9471 * config/m68k/m68k.md (clzsi2): Define for ColdFire
9472 architectures that support ff1 instruction.
9474 2007-01-19 Richard Sandiford <richard@codesourcery.com>
9475 Julian Brown <julian@codesourcery.com>
9477 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
9478 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
9479 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
9482 2007-01-19 Richard Sandiford <richard@codesourcery.com>
9484 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
9486 (output_move_const_into_data_reg, output_move_simode_const): Delete.
9487 * config/m68k/m68k.c (const_method, const_int_cost): Take a
9488 HOST_WIDE_INT instead of an rtx.
9489 (m68k_rtx_costs): Update call accordingly.
9490 (output_move_const_into_data_reg): Likewise. Fix formatting.
9491 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
9493 (output_move_simode_const): Update calls after above changes.
9494 Rework to use automatic variables and predicates like MEM_P.
9495 * config/m68k/m68k.md (pushexthisi_const): Update call to
9498 2007-01-19 Dirk Mueller <dmueller@suse.de>
9500 * tree-ssa-alias.c (perform_var_substitution): Fix typo
9503 2007-01-19 Richard Guenther <rguenther@suse.de>
9505 * builtins.c (expand_builtin_cexpi): Fall back to expanding
9506 via cexp in case sincos is not available.
9508 2007-01-19 Richard Guenther <rguenther@suse.de>
9510 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
9511 * defaults.h (TARGET_HAS_SINCOS): Default to off.
9512 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
9513 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
9514 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
9515 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
9516 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
9517 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
9519 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
9521 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
9523 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
9524 (atan2xf3): Directly generate RTL pattern.
9525 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
9526 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
9527 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
9528 disable patterns for SSE math.
9529 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
9530 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
9531 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
9532 disable patterns for SSE math.
9534 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
9536 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
9538 2007-01-18 Roger Sayle <roger@eyesopen.com>
9540 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
9541 VIEW_CONVERT_EXPR to the same type as it's operand.
9543 2007-01-18 David Edelsohn <edelsohn@gnu.org>
9545 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
9546 configured for long double 128.
9548 2007-01-18 Mike Stump <mrs@apple.com>
9550 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
9553 2007-01-18 Michael Meissner <michael.meissner@amd.com>
9555 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
9558 2007-01-18 Jan Hubicka <jh@suse.cz>
9560 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
9561 greater than NUM_VOP_FREE_BUCKETS.
9563 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
9565 * tree-ssa-structalias.c: Update comments.
9566 (ptabitmap_obstack): Removed.
9568 (oldpta_obstack): Ditto.
9569 (stats): Add a few members.
9570 (struct variable_info): Remove node, complex, address_taken, and
9571 indirect_target members. Add oldsolution member.
9572 (new_var_info): Do not initialize removed members.
9573 (constraint_expr_type): Remove INCLUDES.
9574 (constraint_graph): Add size, implicit_preds, rep,
9575 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
9576 (FIRST_REF_NODE): New macro.
9577 (LAST_REF_NODE): Ditto.
9578 (FIRST_ADDR_NODE): Ditto.
9579 (find): New function.
9581 (dump_constraint): Do not handle INCLUDES.
9582 (insert_into_complex): Do not insert duplicate constraints.
9583 (condense_varmap_nodes): Renamed and rewritten into ...
9584 (merge_node_constraints): This. Also fix bug in handling of
9585 offseted copy constraints.
9586 (clear_edges_for_node): No longer need to deal with preds at all,
9587 or removing associated preds/succs.
9588 (merge_graph_nodes): Deal with indirect_cycles.
9589 Don't deal with predecessors.
9590 (add_implicit_graph_edge): New function.
9591 (add_pred_graph_edge): Ditto.
9592 (add_graph_edge): Don't deal with predecessors.
9593 (build_constraint_graph): Removed.
9594 (build_pred_graph): New function.
9595 (build_succ_graph): Ditto.
9596 (struct scc_info): Removed in_component. Added roots, dfs, and
9597 node_mapping. Remove visited_index, unification_queue.
9598 (scc_visit): Deal with union-find we do now.
9599 Deal with cycles with REF nodes.
9600 (collapse_nodes): Renamed and rewritten to ...
9601 (unify_nodes): This.
9602 (process_unification_queue): Removed.
9603 (topo_visit): Cleanup
9604 (do_da_constraint): Use find.
9605 (do_sd_constraint): Ditto.
9606 (do_ds_constraint): Ditto.
9607 (do_complex_constraint): Ditto.
9608 (init_scc_info): Update for removed and added members.
9609 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
9610 (find_indirect_cycles): This.
9611 (equivalence_class): New variable.
9612 (label_visit): New function.
9613 (perform_variable_substitution): Rewritten.
9614 (free_var_substitution_info): New function.
9615 (find_equivalent_node): Ditto.
9616 (move_complex_constraints): Ditto.
9617 (eliminate_indirect_cycles): Ditto.
9618 (solve_graph): Only propagate changed bits.
9619 Use indirect cycle elimination.
9621 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
9622 (tree_id_eq): Renamed to ...
9623 (tree_vi_eq): This. Update for member change
9624 (insert_id_for_tree): Renamed and rewritten to ...
9625 (insert_vi_for_tree): This.
9626 (lookup_id_for_tree): Renamed and rewritten to ...
9627 (lookup_vi_for_tree): This.
9628 (get_id_for_tree): Renamed and rewritten to ...
9629 (get_vi_for_tree): Ditto.
9630 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
9631 (process_constraint): Don't handle INCLUDES.
9632 Remove special ADDRESSOF case.
9633 (find_func_aliases): Rewrite to use vi functions instead of id
9635 (create_function_info_for): Ditto.
9636 (create_variable_info_for): Ditto.
9637 (intra_create_variable_infos): Ditto.
9638 (merge_smts_into): Ditto.
9639 (find_what_p_points_to): Ditto.
9640 (init_base_vars): Ditto.
9641 (init_alias_vars): Ditto.
9642 (remove_preds_and_fake_succs): New function.
9643 (dump_sa_points_to_info): Dump new stats.
9644 (dump_solution_for_var): Use find.
9645 (set_used_smts): Fix formatting.
9646 (compute_points_to_sets): Updated for new functions.
9647 (ipa_pta_execute): Ditto.
9649 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
9650 Richard Sandiford <richard@codesourcery.com>
9652 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
9654 * calls.c (expand_call): If the return value is a PARALLEL,
9655 extract its first member.
9656 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
9657 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
9658 use FUNCTION_EXTRA_EPILOGUE.
9659 (m68k_function_value): Return a PARALLEL if the return value
9660 is of a pointer type.
9661 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
9662 (FUNCTION_EXTRA_EPILOGUE): Remove.
9663 * config/m68k/m68k.md (D0_REG): New constant.
9665 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
9667 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
9668 output a NOP for empty epilogues.
9670 2007-01-18 Richard Sandiford <richard@codesourcery.com>
9672 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
9673 before function. Extend register save check to include all
9674 registers, not just integer ones.
9676 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
9678 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
9679 (m68k_use_return_insn): ...this.
9680 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
9681 * config/m68k/m68k.c (use_return_insn): Rename to...
9682 (m68k_use_return_insn): ...this.
9683 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
9686 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
9688 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
9689 nearest even, fix denormal rounding overflow.
9691 2007-01-18 Richard Sandiford <richard@codesourcery.com>
9693 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
9694 f%$smove and f%$move.
9695 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
9696 (extendsfdf2_cf): Use fdmove instead of f%&move.
9697 (truncdfsf2_cf): Use fsmove instead of f%$smove.
9698 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
9700 2007-01-18 Richard Sandiford <richard@codesourcery.com>
9702 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
9705 2007-01-18 Richard Sandiford <richard@codesourcery.com>
9707 * real.h (real_format): Add a canonical_nan_lsbs_set field.
9708 (coldfire_single_format): Declare.
9709 (coldfire_double_format): Likewise.
9710 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
9711 of qnan_msb_set to determine the lower bits of a canonical
9713 (encode_ieee_double): Likewise.
9714 (encode_ieee_quad): Likewise.
9715 (ieee_single_format): Initialize canonical_nan_lsbs_set.
9716 (mips_single_format): Likewise.
9717 (ieee_double_format): Likewise.
9718 (mips_double_format): Likewise.
9719 (ieee_extended_motorola_format): Likewise.
9720 (ieee_extended_intel_96_format): Likewise.
9721 (ieee_extended_intel_128_format): Likewise.
9722 (ieee_extended_intel_96_round_53_format): Likewise.
9723 (ibm_extended_format): Likewise.
9724 (mips_extended_format): Likewise.
9725 (ieee_quad_format): Likewise.
9726 (mips_quad_format): Likewise.
9727 (vax_f_format): Likewise.
9728 (vax_d_format): Likewise.
9729 (vax_g_format): Likewise.
9730 (i370_single_format): Likewise.
9731 (i370_double_format): Likewise.
9732 (decimal_single_format): Likewise.
9733 (decimal_double_format): Likewise.
9734 (decimal_quad_format): Likewise.
9735 (c4x_single_format): Likewise.
9736 (c4x_extended_format): Likewise.
9737 (real_internal_format): Likewise.
9738 (coldfire_single_format): New real_format.
9739 (coldfire_double_format): Likewise.
9740 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
9741 canonical_nan_lsbs_set.
9742 (pdp11_d_format): Likewise.
9743 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
9744 if TARGET_COLDFIRE_CPU.
9746 2007-01-18 Richard Sandiford <richard@codesourcery.com>
9748 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
9749 (output_call, m68k_legitimize_call_address): Declare.
9750 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
9751 parenthesees. Add support for a 'W' constraint.
9752 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
9753 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
9754 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
9755 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
9757 (override_options): Initialize them. Do not set flag_no_function_cse
9758 for TARGET_ID_SHARED_LIBRARY.
9759 (m68k_output_pic_call): Delete.
9760 (m68k_legitimize_call_address): New function.
9761 (print_operand): Remove the %o prefix. Handle the %p prefix.
9762 (output_call): New function.
9763 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
9764 target address from the GOT if symbolic jumps are not allowed.
9765 * config/m68k/m68k.md (call, general_operand): Do not set
9766 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
9767 Merge separate flag_pic and !flag_pic define_insns into...
9768 (*call, *call_value): ...these new patterns. Match the address
9769 rather than the containing MEM and require it to be a call_operand.
9770 Use output_call to generate the asm template.
9771 * config/m68k/predicates.md (const_call_operand): New predicate.
9772 (call_operand): Likewise.
9774 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
9776 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
9777 (STACK_GROWS_DOWNWARD): Define to 1.
9778 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
9779 comments, emphasizing that these values are only defaults.
9780 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
9781 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
9783 2007-01-18 Richard Sandiford <richard@codesourcery.com>
9785 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
9787 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
9788 Richard Sandiford <richard@codesourcery.com>
9790 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
9791 (FP_REGNO_P): New macros.
9792 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
9793 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
9794 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
9795 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
9797 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
9799 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9800 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
9802 * config/m68k/t-floatlib: New file, extracting common code from...
9803 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
9804 * config/m68k/t-uclinux: Here.
9805 * config/m68k/fpgnulib.c: Do not compile extendeed precision
9806 routines on ColdFire targets.
9808 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
9810 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9811 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
9812 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
9813 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
9814 explicitly set MOTOROLA to 1.
9815 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
9817 2007-01-18 Richard Sandiford <richard@codesourcery.com>
9818 Nathan Sidwell <nathan@codesourcery.com>
9820 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
9821 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
9822 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
9823 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
9824 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
9825 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
9826 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
9827 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
9828 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
9829 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
9830 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
9831 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
9832 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
9833 (DBX_REGISTER_NUMBER): Delete.
9834 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
9835 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
9836 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
9838 2007-01-18 Richard Sandiford <richard@codesourcery.com>
9840 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
9841 * config/flat.h: New file.
9842 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
9844 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
9845 indirect references for -msep-data or -mid-shared-library.
9846 Do not use PC-relative code addresses either.
9847 * config/m68k/m68k.c (override_options): Restrict -fPIC error
9849 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
9850 for shared libraries and crt1.o for executables. Use crti.o and
9852 (ENDFILE_SPEC): Use crtend.o and crtn.o.
9853 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
9854 Do not add -elf2flt or -shared-lib-id options here.
9855 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
9856 Pass -shared-lib-id if -mid-shared-library, taking the library
9857 identifier from -mshared-library-id if given, otherwise
9859 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
9860 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
9861 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
9862 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
9863 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
9864 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
9866 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
9867 jump sequence for ISA A and ISA A+.
9868 (PICJUMP): Likewise.
9870 2007-01-18 Richard Sandiford <richard@codesourcery.com>
9872 * config.gcc (m68k-*-uclinux*): Base the port on the common
9873 and m68k GNU/Linux files rather than on the generic ELF ones.
9874 * config/m68k/uclinux.h (TARGET_VERSION): Override.
9875 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
9877 2007-01-18 Julian Brown <julian@codesourcery.com>
9878 Richard Sandiford <richard@codesourcery.com>
9880 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
9881 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
9882 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
9884 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
9886 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
9888 2007-01-18 Richard Sandiford <richard@codesourcery.com>
9890 * doc/install.texi: Document m68k-uclinuxoldabi.
9891 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
9892 * config/m68k/uclinux-oldabi.h: New file, copied from
9893 config/m68k/uclinux.h.
9895 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
9897 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
9898 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
9899 (m32r_compute_frame_size): Use unsigned for regno.
9900 (m32r_reload_lr): Use gen_frame_mem.
9902 (m32r_output_function_epilogue): Don't output the function epilogue
9904 (m32r_expand_epilogue): New.
9905 (direct_return): Return false if the function has the interrupt
9907 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
9908 * config/m32r/m32r.md (epilogue): New expander.
9909 (return_lr, return_rte): New insns.
9910 (return): Make it expander.
9911 (return_normal): New expander.
9913 2007-01-18 Josh Conner <jconner@apple.com>
9916 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
9917 support for UNLE, UNLT, UNGE, and UNGT.
9919 2007-01-18 Jan Hubicka <jh@suse.cz>
9921 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
9922 * tree-tailcall (add_virtual_phis): Likewise.
9923 (optimize_tail_call): Return TODOs.
9924 (execute_tail_calls): Return TODOs.
9925 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
9926 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
9928 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
9929 Cleanup cfg using TODO.
9930 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
9931 * passes.c (execute_function_todo): When cleanup did something, remove
9933 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
9934 (make_edges): Don't cleanup_cfg.
9936 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
9938 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
9939 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
9940 operate on the top of stack.
9941 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
9942 register handling of instructions that output to the second
9944 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
9945 (move_for_stack_reg): Special-case check for dead destination
9946 stack slot for constant load of 1.0 inside UNSPEC_TAN.
9948 * config/i386/i386.md (UNSPEC_TAN): New constant.
9949 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
9950 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
9951 to correctly model move of constant 1.0 to top stack slot.
9952 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
9953 (unnamed peephole2 pattern): Remove corresponding peephole2
9954 pattern that optimizes tan insn and loading of constant 1.0.
9955 (tanxf2): Use fptanxf4_i387.
9956 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
9957 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
9958 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
9959 disable patterns for SSE math.
9960 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
9961 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
9963 2007-01-18 Dirk Mueller <dmueller@suse.de>
9964 Richard Guenther <rguenther@suse.de>
9967 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
9968 * common.opt (Warray-bounds): Add new warning option.
9969 * c-opts.c (c_common_handle_option): Define -Warray-bounds
9971 * Makefile.in: make tree-vrp.o depend on toplev.h
9972 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
9974 (check_array_refs, check_array_bounds, check_array_ref): New.
9976 2007-01-18 Jan Hubicka <jh@suse.cz>
9978 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
9979 (execute_ssa_ccp): Return flags conditionally.
9980 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
9982 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
9984 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
9986 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
9987 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
9989 * Makefile.c (GTFILES): Add cfglayout.h.
9990 * gengtype.c (open_base_files): Likewise.
9991 * cfglayout.c (cfg_layout_function_footer,
9992 cfg_layout_function_header) Reindent to make gengtype happy.
9993 * cfglayout.h (cfg_layout_function_footer,
9994 cfg_layout_function_header): Add GTY(()) marker.
9996 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
9998 2007-01-18 Ben Elliston <bje@au.ibm.com>
10000 * genautomata.c (write_automata): Include xstrerror output in the
10001 error message if writing the DFA description file fails.
10003 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
10005 * config/mips/mips-protos.h (mips_output_external): Make it
10007 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
10008 * config/mips/mips.c (irix_output_external_libcall): Likewise.
10009 (extern_list): Likewise.
10010 (extern_head): Likewise.
10011 (TARGET_ASM_FILE_END): Likewise.
10012 (mips_file_end): Likewise.
10013 (mips_output_external): Rewritten.
10015 2007-01-18 Ben Elliston <bje@au.ibm.com>
10017 * genpreds.c (write_insn_preds_c): Only write out the function
10018 body for regclass_for_constraint if we have register constraints.
10020 2007-01-17 Tom Tromey <tromey@redhat.com>
10022 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
10023 * doc/install.texi (Testing): Use sourceware.org.
10024 (Binaries): Likewise.
10025 (Specific): Likewise.
10026 * doc/contrib.texi (Contributors): Use sourceware.org.
10028 2007-01-17 Anatoly Sokolov <aesok@post.ru>
10030 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
10031 (AVR_ENHANCED): Rename to ...
10032 (AVR_HAVE_MUL): ... new.
10033 (avr_enhanced_p): Rename to ...
10034 (avr_have_mul_p): ... new.
10035 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
10036 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
10037 * config/avr/avr.c (avr_enhanced_p): Rename to ...
10038 (avr_have_mul_p): ... new.
10039 (base_arch_s): Rename 'enhanced' to 'have_mul'.
10040 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
10041 'avr_enhanced_p' and 'enhanced'.
10042 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
10043 AVR_HAVE_MUL instead of AVR_ENHANCED.
10044 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10045 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
10046 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
10047 instead of AVR_ENHANCED.
10048 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10049 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
10050 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
10052 2007-01-17 Ian Lance Taylor <iant@google.com>
10054 * vec.h (VEC_reserve_exact): Define.
10055 (vec_gc_p_reserve_exact): Declare.
10056 (vec_gc_o_reserve_exact): Declare.
10057 (vec_heap_p_reserve_exact): Declare.
10058 (vec_heap_o_reserve_exact): Declare.
10059 (VEC_OP (T,A,reserve_exact)): New static inline function, three
10061 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
10062 negative parameter.
10063 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
10064 (VEC_OP (T,A,copy)) [all versions]: Likewise.
10065 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
10066 * vec.c (calculate_allocation): Add exact parameter. Change all
10068 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
10069 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
10070 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
10071 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
10072 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
10073 (vec_heap_p_reserve_exact): New function.
10074 (vec_heap_o_reserve_exact): New function.
10076 2007-01-17 Jan Hubicka <jh@suse.cz>
10078 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
10080 2007-01-17 Eric Christopher <echristo@apple.com>
10082 * config.gcc: Support core2 processor.
10084 2007-01-16 Jan Hubicka <jh@suse.cz>
10086 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
10087 the names, just unlink the chain so we don't crash on dangling pointers
10090 2007-01-16 Jan Hubicka <jh@suse.cz>
10092 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
10093 * tree-pass.h: Reorder to make IPA passes appear toegher.
10094 (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
10095 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
10096 parameters, do not call early inliner.
10097 * ipa-inline.c: Update comments. Include tree-flow.h
10098 (cgraph_decide_inlining): Do not compute inlining parameters.
10099 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
10100 be called with function context set up.
10101 (pass_ipa_inline): Remove unreachable functions before pass.
10102 (cgraph_early_inlining): Simplify assuming to be called from the
10104 (pass_early_inline): New pass.
10105 (cgraph_gate_ipa_early_inlining): New gate.
10106 (pass_ipa_early_inline): Turn into simple wrapper.
10107 (compute_inline_parameters): New function.
10108 (gate_inline_passes): New gate.
10109 (pass_inline_parameters): New pass.
10110 (apply_inline): Move here from tree-optimize.c
10111 (pass_apply_inline): New pass.
10112 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
10114 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
10115 doing them by hand.
10116 (tree_function_versioning): Do not allocate dummy struct function.
10117 * tree-inline.h (optimize_inline_calls): Update prototype.
10118 * tree-optimize.c (execute_fixup_cfg): Export.
10119 (pass_fixup_cfg): Remove
10120 (tree_rest_of_compilation): Do not apply inlines.
10121 * tree-flow.h (execute_fixup_cfg): Declare.
10122 * Makefile.in (gt-passes.c): New.
10123 * passes.c: Include gt-passes.h
10124 (init_optimization_passes): New passes.
10125 (nnodes, order): New static vars.
10126 (do_per_function_toporder): New function.
10127 (execute_one_pass): Dump current pass here.
10128 (execute_ipa_pass_list): Don't dump current pass here.
10130 2007-01-16 Janis Johnson <janis187@us.ibm.com>
10132 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
10133 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
10135 2007-01-16 David Edelsohn <edelsohn@gnu.org>
10137 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
10138 (strong_alias): Define.
10139 (__gcc_qmul): Provide non-FMA for soft-float.
10140 (__gcc_qdiv): Same.
10145 (__gcc_qunord): New.
10155 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
10156 soft-float functions.
10157 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
10158 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
10159 about long double soft float.
10161 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
10162 Tehila Meyzels <tehila@il.ibm.com>
10164 * tree-vectorizer.h (is_pattern_stmt_p): New.
10165 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
10166 formatting (tabs instead of spaces). Cleanup and clarify setting
10167 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
10168 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
10169 (vectorizable_type_demotion): Check that types are integral.
10170 (vectorizable_type_promotion): Likewise.
10171 (vectorizable_store): Fix typo. Eliminate new-line at end of
10174 2007-01-16 Jan Hubicka <jh@suse.cz>
10176 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
10179 2007-01-15 Eric Christopher <echristo@apple.com>
10181 * ifcvt.c: Include vec.h, vecprim.h.
10182 (check_cond_move_block): New argument regs.
10183 Reorganize. Add registers used to regs.
10184 (cond_move_process_if_block): Use regs set above as
10187 2007-01-15 Eric Christopher <echristo@apple.com>
10189 * config/darwin.h: Update copyright.
10190 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
10191 (LINK_COMMAND_SPEC): Add -u.
10192 (LINK_SPEC): Fix umbrella for above.
10194 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
10196 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
10199 2007-01-15 Tom Tromey <tromey@redhat.com>
10201 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
10202 * doc/install.texi (Testing): Don't mention jacks.
10203 (Configuration): Document --enable-java-maintainer-mode. Move
10204 --with-java-home to libgcj-specific section. Document
10206 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
10208 2007-01-15 Jan Hubicka <jh@suse.cz>
10210 * tree-ssa-dce.c (DCE_TODOs): New.
10211 (propagate_necessity): Return if something changed.
10212 (eliminate_unnecessary_stmts): Likewise.
10213 (perform_tree_ssa_dce): Return TODO flags when needed.
10214 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
10216 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
10218 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
10219 (fyl2x_extend<mode>xf3_i387): New insn pattern.
10220 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
10221 patterns using X87MODEF12 mode macro. Extend operand 1
10222 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10223 (log10<mode>2): Ditto.
10224 (log2<mode>2): Ditto.
10225 (log1p<mode>2): Ditto.
10226 (logb<mode>2): Ditto.
10227 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
10228 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
10229 (*fxtractxf3_i387): Rename from *fxtractxf3.
10230 (fxtract_extend<mode>xf3_i387): New insn pattern.
10231 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
10232 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
10233 and gen_fyl2xxf3_i387().
10235 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10237 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
10238 * cfgloopmanip.c (fix_loop_placement): Made static. Use
10239 get_loop_exit_edges. Changed return type to bool.
10240 * cfgloop.h (fix_loop_placement): Declaration removed.
10242 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
10244 * param.h (MIN_VECT_LOOP_BOUND): New.
10245 * params.def (MIN_VECT_LOOP_BOUND): New.
10246 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
10247 argument - minimum threshold for number of iterations.
10248 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
10249 argument to declaration.
10250 * tree-vect-analyze.c (vect_analyze_operations): Check value of
10251 MIN_VECT_LOOP_BOUND.
10252 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
10253 slpeel_tree_peel_loop_to_edge with additional argument.
10254 (vect_do_peeling_for_alignment): Likewise.
10255 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
10257 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
10260 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
10261 operands of size 1.
10263 2007-01-14 Jan Hubicka <jh@suse.cz>
10265 * tree-dfa.c (remove_referenced_var): New function.
10266 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
10267 prune referenced vars list too.
10268 * tree-flow.h (remove_referenced_var): Declare.
10270 2007-01-14 Jan Hubicka <jh@suse.cz>
10272 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
10274 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
10275 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
10276 * except.h (verify_eh_throw_table_statements): Kill prototype.
10277 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
10278 into call exrepssions.
10279 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
10281 * tree-cfg.c: Include pointer-set.h.
10282 (verify_node_sharing): Work on pointer set.
10283 (verify_eh_throw_stmt_node): New.
10284 (verify_stmts): Use pointers sets, verify throw_stmt.
10286 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
10288 * ipa-reference.c (analyze_function): Consider also addresses taken
10291 2007-01-12 Roger Sayle <roger@eyesopen.com>
10293 * c-typeck.c (null_pointer_constant_p): Replace use of
10294 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10295 (build_c_cast): Likewise.
10297 2007-01-12 Roger Sayle <roger@eyesopen.com>
10299 * tree.h (force_fit_type_double): Remove unused final argument.
10300 * c-common.c (constant_expression_warning): Replace use of
10301 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10302 (convert_and_check): Likewise.
10303 (shorten_compare): Update call to force_fit_type_double.
10304 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
10305 * convert.c (convert_to_pointer): Update call to
10306 force_fit_type_double.
10307 * fold-const.c (force_fit_type_double): Remove overflowed_const
10309 (int_const_binop, fold_convert_const_int_from_int,
10310 fold_convert_const_int_from_real, fold_div_compare,
10311 fold_sign_changed_comparison, fold_unary, fold_negate_const,
10312 fold_abs_const, fold_not_const): Remove the final argument from
10313 calls to force_fit_type_double.
10315 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
10317 * configure.ac: Set insn to "nop" for spu-*-* also.
10318 * configure: Regenerate.
10320 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
10322 * builtins.def : Add BUILT_IN_FREE.
10324 2007-01-12 Jan Hubicka <jh@suse.cz>
10326 PR tree-optimization/30443
10327 * tree-inline.c (tree_function_versioning): Do not optimize when
10328 cloning for inlining.
10330 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
10332 * doc/loop.texi: Document recording of loop exits.
10333 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
10334 (update_single_exits_after_duplication,
10335 update_single_exit_for_duplicated_loop,
10336 update_single_exit_for_duplicated_loops): Removed.
10337 (duplicate_loop_to_header_edge): Do not call
10338 update_single_exits_after_duplication and
10339 update_single_exit_for_duplicated_loops.
10340 (loop_version): Do not update single_exit information.
10341 (fix_loop_structure): Use record_loop_exits instead of
10342 mark_single_exit_loops.
10343 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
10344 the lists of loop exits.
10345 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
10346 split_edge, merge_blocks): Update the lists of loop exits.
10347 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
10348 loop_optimizer_init.
10349 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
10350 of mark_single_exit_loops.
10351 (loop_optimizer_finalize): Call release_recorded_exits.
10352 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
10353 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
10354 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
10355 update single exit information.
10356 * lambda-code.c (perfect_nestify): Ditto.
10357 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
10358 (mark_single_exit_loops): Removed.
10359 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
10360 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
10361 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
10363 (get_loop_exit_edges, single_exit): Use recorded exit lists.
10364 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
10365 (verify_loop_structure): Verify consistency of the exit lists.
10366 (flow_loops_find): Use alloc_loop. Initialize exits hash.
10367 (set_single_exit): Removed.
10368 * cfgloop.h (struct loop_exit): New function.
10369 (struct loop): single_exit_ field replaced by exits field.
10370 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
10371 (struct loops): Added exits hash.
10372 (mark_single_exit_loops, set_single_exit): Declaration removed.
10373 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
10375 2007-01-12 Richard Sandiford <richard@codesourcery.com>
10377 * doc/invoke.texi: Avoid use of @headitem.
10379 2007-01-12 Richard Sandiford <richard@codesourcery.com>
10381 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
10383 2007-01-12 Richard Sandiford <richard@codesourcery.com>
10385 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
10388 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
10389 Richard Sandiford <richard@codesourcery.com>
10391 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
10392 * config/m68k/m68k.opt: Resort options.
10393 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
10395 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
10396 Richard Sandiford <richard@codesourcery.com>
10398 * doc/invoke.texi: Document the macros that are defined by
10399 m68k's -mtune and -mhard-float options.
10400 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
10401 (m68k_cpp_cpu_family): Likewise.
10402 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
10403 of __ucfv*__ macros. Define __mcffpu__ if generating code for
10404 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
10405 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
10406 (m68k_cpp_cpu_family): Likewise.
10408 2007-01-12 Richard Sandiford <richard@codesourcery.com>
10410 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
10411 macros besides mc68000 as tuning macros. Use a switch statement
10412 to set them and mcpu32.
10414 2007-01-12 Julian Brown <julian@codesourcery.com>
10416 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
10417 (TARGET_68040_ONLY): Rename to...
10418 (TARGET_68040): ...this.
10419 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
10420 * config/m68k/m68k.md: Likewise.
10422 2007-01-12 Julian Brown <julian@codesourcery.com>
10423 Nathan Sidwell <nathan@codesourcery.com>
10424 Richard Sandiford <richard@codesourcery.com>
10426 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
10427 the -mcpu= argument associated with the --with-cpu setting.
10428 Define M68K_DEFAULT_TUNE to the default -mtune= option,
10429 if different from the one implied by the -mcpu setting.
10430 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
10431 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
10432 * doc/invoke.texi: Mention ColdFire in the introduction to the
10433 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
10434 -mno-div and -mhard-float options. Make -m68881 a synonym for
10435 -mhard-float. Document the previously-undocumented -m5206e,
10436 -m528x, -m5307 and -m5407 options. Tweak the existing option
10437 documentation for consistency.
10438 * doc/install.texi: Mention new --with-cpu arguments.
10439 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
10440 default CPU if neither -mcpu nor -march are specified.
10441 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
10442 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
10443 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
10444 using m68k_tune to decide between families that implement the
10445 same ISA. Use m68k_tune to set __mcfv4e__.
10446 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
10447 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
10448 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
10449 (FL_ISA_C, FL_ISA_MMU): New macros.
10450 (MASK_COLDFIRE): Delete.
10451 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
10452 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
10453 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
10454 (TARGET_HARD_FLOAT): Do not define here.
10455 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
10456 (TUNE_68000): New macro.
10457 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
10458 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
10459 (TUNE_CFV2): Redefine in terms of m68k_tune.
10460 (uarch_type, target_device, fpu_type): New enums.
10461 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
10462 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
10463 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
10464 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
10465 (FL_FOR_isa_c): New macros.
10466 (m68k_isa): New enum.
10467 (m68k_target_selection): New structure.
10468 (all_devices, all_isas, all_microarchs): New tables.
10469 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
10470 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
10471 (MASK_ALL_CPU_BITS): Delete.
10472 (m68k_find_selection): New function.
10473 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
10474 Map the legacy target options to a combination of the new ones.
10475 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
10476 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
10477 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
10479 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
10480 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
10482 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
10483 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
10484 * config/m68k/m68k-devices.def: New file.
10486 2007-01-12 Richard Sandiford <richard@codesourcery.com>
10487 Nathan Sidwell <nathan@codesourcery.com>
10489 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
10490 (SUBTARGET_EXTRA_SPECS): New macros.
10491 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
10492 use %(asm_cpu_spec) instead.
10493 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
10494 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
10495 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
10496 (EXTRA_SPECS): Rename to...
10497 (SUBTARGET_EXTRA_SPECS): ...this.
10499 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
10500 Richard Sandiford <richard@codesourcery.com>
10501 Julian Brown <julian@codesourcery.com>
10503 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10504 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
10505 to the configuration's default CPU.
10506 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
10507 Remove default masks.
10508 (m680[012]0-*-*): Set the default with_cpu to the first part of
10510 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
10511 (m68k*-*-linux): Extend the --with-cpu handling to...
10512 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
10513 and m68010. Don't set target_cpu_default2.
10514 * doc/install.texi: Document --with-cpu for m68k.
10515 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
10516 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
10517 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
10518 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
10519 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
10520 (ASM_SPEC): Remove use of %(asm_cpu_default).
10521 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
10522 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
10523 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
10524 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
10525 __HAVE_FPU__ if TARGET_HARD_FLOAT.
10526 (TARGET_DEFAULT): Delete.
10527 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
10528 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
10529 (CPP_CPU_SPEC): Delete.
10530 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
10531 the appropriate string.
10532 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
10533 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
10534 (ASM_SPEC): Don't use %(asm_default_spec).
10535 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10536 TARGET_DEFAULT and add MASK_68881.
10537 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
10539 2007-01-12 Richard Sandiford <richard@codesourcery.com>
10541 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
10542 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
10543 MASK_68010 alongside MASK_68020.
10544 * doc/invoke.texi: Document -m68010.
10545 * config/m68k/m68k.opt (m68010): New.
10546 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
10548 (TUNE_68010): New macro.
10549 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
10550 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
10551 (M68K_CPU_m68332): Add MASK_68010.
10552 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
10553 fallback definition.
10554 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
10556 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
10557 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
10558 to all entries that use MASK_68020.
10559 (output_move_simode_const, output_move_himode, output_move_qimode)
10560 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
10561 instead of TARGET_68020 to select clr behavior. Remove comment
10562 about there being no TARGET_68010.
10563 * config/m68k/m68k.md: Likewise throughout.
10565 2007-01-12 Julian Brown <julian@codesourcery.com>
10567 * config/m68k/m68k.h (TARGET_ISAB): New macro.
10568 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
10569 * config/m68k/m68k.md: Likewise.
10571 2007-01-12 Julian Brown <julian@codesourcery.com>
10573 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
10574 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
10576 2007-01-12 Julian Brown <julian@codesourcery.com>
10578 * config/m68k/m68k.h (TUNE_68040_60): New macro.
10579 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
10580 * config/m68k/m68k.md: Likewise.
10582 2007-01-12 Julian Brown <julian@codesourcery.com>
10583 Richard Sandiford <richard@codesourcery.com>
10585 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
10586 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
10587 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
10589 (TARGET_CPU32): Rename to...
10590 (TUNE_CPU32): ...this.
10591 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
10592 (TUNE_CFV2): New macros.
10593 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
10594 remove conditions that are implied by TARGET_68020.
10595 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
10596 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
10597 (m68k_output_function_epilogue): Likewise.
10598 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
10599 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
10600 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
10601 non-68000 timings. Refactor multiplication and division costs.
10602 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
10603 TUNE_CPU32 instead of TARGET_CPU32.
10604 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
10605 and TUNE_68060 instead of TARGET_68060.
10606 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
10607 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
10609 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
10610 && !TARGET_COLDFIRE" to choose between moveq and clr.
10611 Likewise in the unnamed movsf pattern.
10612 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
10613 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
10616 2007-01-12 Richard Sandiford <richard@codesourcery.com>
10618 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
10619 of tabbing before backslashes.
10621 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10623 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
10624 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
10625 (ASM_OUTPUT_INTERNAL_LABEL): Define.
10627 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10629 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
10630 find_interesting_uses_cond.
10631 (find_interesting_uses_cond): Use extract_cond_operands.
10632 (rewrite_use_compare): Use extract_cond_operands and
10633 force_gimple_operand_bsi. Do not call update_stmt.
10634 (determine_use_iv_cost_condition): Use extract_cond_operands.
10635 Return cheaper of using original bound and changing the exit bound.
10637 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10639 PR tree-optimization/29516
10640 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
10641 most_expensive_mult_to_index, addr_to_parts,
10642 create_mem_ref, maybe_fold_tmr): Make the type of
10643 fields of TARGET_MEM_REF sizetype.
10644 (move_fixed_address_to_symbol, move_pointer_to_base):
10646 * tree.def (TARGET_MEM_REF): Add comment on types of
10649 2007-01-11 Joseph Myers <joseph@codesourcery.com>
10651 * c-common.c (vector_types_convertible_p): Treat opaque types as
10652 always convertible if they have the same size, but not otherwise.
10654 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
10656 * ifcvt.c (struct noce_if_info): Add comments to the fields.
10657 Remove the b_unconditional field.
10658 (noce_try_sign_mask): Do not look at b_unconditional.
10659 (noce_process_if_block): Do not use merge_if_blocks. Update
10660 the CFG here. Do not set b_unconditional.
10661 (cond_move_process_if_block): Likewise.
10662 (find_cond_trap): Likewise.
10663 (check_cond_move_block): Require simple jump insns at the end
10664 of the basic block.
10666 2007-01-11 Jan Hubicka <jh@suse.cz>
10668 PR tree-optimization/1046
10669 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
10670 when alias info is not ready.
10671 (pass_tail_recursion): Do not require aliasing.
10672 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
10673 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
10674 * tree-ssa-copy.c (pass_copy_prop): Likewise.
10675 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
10676 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
10677 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
10678 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
10680 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
10681 When aliasing is not build, mark statement as volatile.
10683 2007-01-11 Tom Tromey <tromey@redhat.com>
10685 PR preprocessor/15185, PR preprocessor/20989:
10686 * doc/cppopts.texi <-MT>: Update description of algorithm for
10687 computing default target.
10688 <-M, -MD>: Reword "basename" text.
10690 2007-01-11 Roger Sayle <roger@eyesopen.com>
10692 * builtins.c (expand_builtin_pow, expand_builtin_powi,
10693 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
10694 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
10695 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
10696 fold_builtin_bswap, real_constp, fold_builtin_pow,
10697 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
10698 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
10699 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10700 * convert.c (convert_to_pointer): Likewise.
10701 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
10702 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
10703 const_binop, fold_convert_const_int_from_int,
10704 fold_convert_const_int_from_real,
10705 fold_convert_const_real_from_real, sign_bit_p,
10706 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
10707 fold_sign_changed_comparison, fold_unary, fold_comparison,
10708 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
10709 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
10710 * print-tree.c (print_node_brief, print_node): Likewise.
10711 * stor-layout.c (place_field, layout_type): Likewise.
10712 * tree-chrec.c (keep_cast): Likewise.
10713 * tree.c (build_vector, build_real, build_real_from_int_cst,
10714 build_complex): Likewise.
10716 2007-01-11 Roger Sayle <roger@eyesopen.com>
10718 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
10719 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
10721 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
10723 * configure.ac (strict1_warn): Rename to strict_warn.
10724 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
10725 cc_set_by_configure, quoted_cc_set_by_configure,
10726 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
10727 all_boot_languages, all_stagestuff): Remove.
10728 (target_list): Remove bootstrap targets.
10729 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
10730 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
10731 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
10732 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
10733 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
10734 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
10735 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
10736 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
10737 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
10738 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
10739 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
10740 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
10741 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
10742 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
10743 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
10744 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
10745 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
10746 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
10747 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
10748 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
10749 (mostlyclean): Adjust.
10750 (clean, distclean): Don't mention bootstrap stuff.
10751 * configure: Regenerate.
10752 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
10753 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
10754 treelang/config-lang.in (stagestuff): Remove.
10755 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
10756 stageprofile, stagefeedback, stagestuff): Remove mention.
10758 2007-01-11 Nick Clifton <nickc@redhat.com>
10760 * config/mcore/predicates.md (mcore_general_movesrc_operand):
10762 (mcore_general_movdst_operand): Do not accept CONST_INTs.
10763 (mcore_arith_K_S_operand): Run the test for the S constraint not
10764 the test for the M constraint.
10765 (mcore_addsub_operand): Do not accept integer values that are
10766 larger than 32 bits.
10767 * config/mcore/mcore.md: Remove unused constraints from split.
10768 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
10769 (addsi3): Likewise.
10770 (allocate_stack): Likewise.
10771 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
10772 operands to 32 bits.
10773 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
10775 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
10776 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
10777 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
10778 mcore_output_bclri, mcore_output_andn, output_inline_const,
10779 mcore_output_move, mcore_output_movedouble): Likewise.
10780 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
10781 (output_inline_const): Likewise.
10782 (output_inline_const): Fix format strings used in sprintf
10784 * config/mcore/mcore-protos.h: Update prototypes for changed
10785 functions in mcore.c.
10786 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
10787 HOST_WIDE_INT and not int.
10788 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
10789 CONST_OK_FOR_N): Likewise.
10790 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
10791 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
10794 2007-01-10 Jan Hubicka <jh@suse.cz>
10796 * tree-vrp.c (remove_range_assertions): Release defs.
10797 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
10798 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
10800 2007-01-10 Paul Brook <paul@codesourcery.com>
10802 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
10803 * config/arm/arm.md (mulsi3subsi): New insn.
10805 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
10807 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
10808 (tree_transform_and_unroll_loop): New.
10809 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
10812 2007-01-10 Robert Kennedy <jimbob@google.com>
10814 * fold-const.c (fold_comparison): Fold comparisons like (x *
10815 1000 < 0) to (x < 0).
10817 2007-01-10 Ian Lance Taylor <iant@google.com>
10819 * tree-pretty-print.c (dump_generic_node): Print parentheses when
10820 operands have the same priority.
10822 2007-01-10 Tom Tromey <tromey@redhat.com>
10824 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
10825 (fold_binary): Likewise.
10826 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
10827 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
10828 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
10829 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
10830 * langhooks.h (struct lang_hooks): Removed field
10831 'can_use_bit_fields_p'.
10833 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
10835 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
10837 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
10839 * function.c (get_last_funcdef_no): New function.
10840 * function.h (get_last_funcdef_no): Declare.
10841 * tree-inline.c (initialize_cfun): Add initialization.
10842 (tree_function_versioning): Cleanup.
10844 2007-01-10 Jan Hubicka <jh@suse.cz>
10846 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
10849 2007-01-10 Sa Liu <saliu@de.ibm.com>
10850 Ben Elliston <bje@au.ibm.com>
10852 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
10853 for SAVE_NONLOCAL and Pmode for any other save level.
10854 * spu-protos.h (spu_restore_stack_block): Declare.
10855 * spu.md (save_stack_block): Remove.
10856 (restore_stack_block): Call spu_restore_stack_block.
10857 * spu.c (spu_restore_stack_block): New function.
10858 (spu_expand_epilogue): Remove old comment.
10860 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
10862 PR tree-optimization/30322
10863 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
10864 (cand_value_at): Return the value as aff_tree.
10865 (may_eliminate_iv): Convert the bound from aff_tree to tree.
10866 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
10867 aff_combination_mult): New functions.
10868 (aff_combination_add): Use aff_combination_add_cst.
10869 (aff_combination_convert): Allow conversions to a wider type.
10870 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
10871 * tree-affine.h (aff_combination_mult): Declare.
10873 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
10875 * doc/tm.texi: Update documentation to reflect reality of exec
10876 and start file search behaviours. Update copyright year.
10877 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
10878 header file directories.
10880 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
10882 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
10883 (*cosxf2): Rename to cosxf2_i387.
10884 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
10885 using X87MODEF12 mode macro. Rename patterns to
10886 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
10888 (*cosdf2, *cossf2): Ditto.
10889 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
10890 to match extended input operands.
10891 (sincos<mode>3): New expander.
10892 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
10893 insn patterns and corresponding splitters.
10895 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
10897 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
10898 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
10900 2007-01-09 Nicolas Pitre <nico@cam.org>
10903 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
10905 2007-01-08 Geoffrey Keating <geoffk@apple.com>
10907 * target.h (struct gcc_target): New field library_rtti_comdat.
10908 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
10909 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
10910 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
10911 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
10913 2007-01-08 Geoffrey Keating <geoffk@apple.com>
10915 * doc/invoke.texi (Optimize Options): Correct description of -O0.
10917 2007-01-08 Richard Guenther <rguenther@suse.de>
10919 * tree.h (force_fit_type_double): Export.
10920 (force_fit_type): Remove.
10921 * fold-const.c (force_fit_type_double): New function.
10922 (force_fit_type): Remove.
10923 (int_const_binop): Use it.
10924 (fold_convert_const_int_from_int): Likewise.
10925 (fold_convert_const_int_from_real): Likewise.
10926 (fold_div_compare): Likewise.
10927 (fold_sign_changed_comparison): Likewise.
10928 (fold_unary): Likewise.
10929 (fold_negate_const): Likewise.
10930 (fold_abs_const): Likewise.
10931 (fold_not_const): Likewise.
10932 * c-common.c (shorten_compare): Use force_fit_type_double.
10933 * convert.c (convert_to_pointer): Likewise.
10935 2007-01-08 Richard Guenther <rguenther@suse.de>
10937 * tree.h (build_int_cst_wide_type): Export.
10938 * tree.c (build_int_cst_wide_type): New function.
10939 (build_int_cst_wide): Fix comment.
10940 * builtins.c (fold_builtin_object_size): Use build_int_cst
10941 to build -1 or 0 of the correct type. Use fit_double_type
10942 to check for overflow.
10943 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
10945 (decode_field_reference): Likewise.
10946 (all_ones_mask_p): Likewise.
10947 (native_interpret_int): Use build_int_cst_wide_type.
10948 (fold_binary): Use build_int_cst_type to build an all-ones
10950 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
10952 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
10954 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
10956 2007-01-09 Ben Elliston <bje@au.ibm.com>
10958 * genautomata.c (STATS_OPTION): New option.
10959 (stats_flag): New flag.
10960 (gen_automata_option): Handle it.
10961 (initiate_automaton_gen): Ditto.
10962 (write_automata): Output statistics only if stats_flag is
10963 set. Likewise, output time statistics only if time_flag is set.
10964 * doc/md.texi (Processor pipeline description): Document new flag.
10966 2007-01-08 Richard Guenther <rguenther@suse.de>
10968 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
10969 * tree.c (build_int_cst_type): Likewise.
10970 (size_in_bytes): Don't call force_fit_type on the result.
10971 (int_fits_type_p): Use fit_double_type.
10972 * fold-const.c (fit_double_type): New function.
10973 (force_fit_type): Use it.
10974 * tree.h (fit_double_type): Export.
10976 2007-01-08 Jan Hubicka <jh@suse.cz>
10978 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
10979 * ipa.c (function_and_variable_visibility): Fix return type.
10981 2007-01-08 Richard Guenther <rguenther@suse.de>
10983 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
10984 of offset to build the index.
10985 * tree-pretty-print.c (dump_generic_node): Don't build negated
10986 const just for printing.
10987 * c-pretty-print.c (pp_c_integer_constant): Likewise.
10988 * builtins.c (fold_builtin_int_roundingfn): Check if result
10989 fits the type by using force_fit_type and comparing the result.
10990 * predict.c (predict_loops): Use compare_tree_int for comparison.
10991 * tree.c (build_int_cst): Fall back to integer_type_node for
10993 (build_int_cst_wide): Assert type is non-null.
10995 2007-01-08 Roberto Costa <roberto.costa@st.com>
10997 * tree-vrp.c (extract_range_from_cond_expr): New.
10998 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
10999 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
11001 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
11002 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
11003 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
11004 used as expressions.
11005 * tree-object-size.c (cond_expr_object_size): New.
11006 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
11008 2007-01-08 Jan Hubicka <jh@suse.cz>
11010 * tree-ssa-forwprop.c (forward_propagate_into_cond,
11011 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
11014 2007-01-08 Richard Guenther <rguenther@suse.de>
11016 PR tree-optimization/23603
11017 * tree-vrp.c (set_value_range_to_truthvalue): New function.
11018 (extract_range_from_binary): Fall back to truthvalue instead of
11019 varying for TRUTH_*_EXPR.
11020 (extract_range_from_comparison): Fall back to truthvalue instead of
11022 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
11023 if all visited PHI values were constant.
11025 2007-01-08 Jan Hubicka <jh@suse.cz>
11027 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
11028 (cgraph_analyze_function): break out from ...
11029 (cgraph_finalize_compilation_unit): ... here.
11030 (cgraph_expand_function): Remove forgoten commented out line.
11031 (cgraph_optimize): Analyze functions.
11033 2007-01-08 Jan Hubicka <jh@suse.cz>
11035 * tree-pas.h (TODO_remove_function): New flag.
11036 (TODO_update*): Renumber.
11037 (pass_ipa_increase_alignment,
11038 pass_ipa_function_and_variable_visibility): New passes.
11039 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
11040 (cgraph_function_and_variable_visibility): Move to ipa.c
11041 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
11042 cgraph_increase_alignment.
11043 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
11044 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
11045 calling tree-inline.
11046 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
11047 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
11048 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
11049 (gate_increase_alignment): New function.
11050 (pass_ipa_increase_alignment): New pass.
11051 * ipa.c: Inline tree-pass.h and timevar.h
11052 (function_and_variable_visibility): Move here from cgraphunit.c
11053 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
11054 * passes.c (init_optimization_passes): Add the two new passes.
11055 (execute_todo): Handle cgraph_remove_functions.
11057 2007-01-08 Nick Clifton <nickc@redhat.com>
11059 * config/frv/predicates.md (reg_or_0_operand): Accept
11062 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
11064 * config/bfin/rtems.h, config/bfin/t-rtems: New.
11065 * config.gcc: Add bfin*-rtems*.
11067 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
11069 * c.opt: Add -flax-vector-conversions.
11070 * c-typeck.c (convert_for_assignment): Pass flag to
11071 vector_types_convertible_p to allow emission of note.
11072 (digest_init): Likewise.
11073 * c-opts.c: Handle -flax-vector-conversions.
11074 * c-common.c (flag_lax_vector_conversions): New.
11075 (vector_types_convertible_p): Unless -flax-vector conversions
11076 has been passed, disallow conversions between vectors with
11077 differing numbers of subparts and/or element types. If such
11078 a conversion is disallowed, possibly emit a note on the first
11079 occasion only to inform the user of -flax-vector-conversions.
11080 The new last argument specifies this.
11081 * c-common.h (flag_lax_vector_conversions): New.
11082 (vector_types_convertible_p): Add extra argument.
11083 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
11084 char_type_node for V*QI type vectors.
11085 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
11086 Update to satisfy new typechecking rules.
11087 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
11088 C and C++ variants.
11089 * doc/invoke.texi (C Dialect Options): Document
11090 -flax-vector-conversions.
11092 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
11094 PR tree-optimization/29877
11095 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
11096 a register variable on the RHS to not be replaceable.
11098 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
11099 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
11100 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
11101 const_simm15, const_pow2, const_npow2): Added.
11102 * config/score/misc.md (insv, extv, extzv, movmemsi,
11103 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
11104 * config/score/score.c (score_address_cost, score_select_cc_mode):
11106 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
11107 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
11108 Update score_print_operand.
11109 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
11110 Adjust register allocate order and update some macro define.
11111 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
11112 mdx_block_move_straight, mdx_block_move_loop_head,
11113 mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
11114 mdx_block_move): Added.
11115 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
11116 mdp_limm): Updated and fix some bug and typo.
11117 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
11118 (movsf, movdf, doloop_end): Added.
11120 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
11122 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
11123 config/arm/thumb2.md: Fix comment typos.
11124 * doc/extend.texi: Fix a typo.
11126 2007-01-07 Eric Christopher <echristo@apple.com>
11128 * configure.ac: Check for __stack_chk_fail for darwin.
11129 * configure: Regenerate.
11131 2007-01-07 Richard Guenther <rguenther@suse.de>
11133 * tree-vrp.c (extract_range_from_assert): CSE calls to
11134 compare_values where possible.
11135 (extract_range_from_unary_expr): Likewise.
11137 2007-01-07 Anatoly Sokolov <aesok@post.ru>
11139 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
11140 * config/avr/avr.c (call_insn_operand): Delete function.
11141 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
11142 instead of register number. Use predicates.
11143 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
11144 call_insn_operand): Add.
11146 2007-01-06 Jan Hubicka <jh@suse.cz>
11148 * tree-pass.h (pass_build_cgraph_edges): Declare.
11149 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
11150 (visited_nodes): Remove.
11151 (cgraph_create_edges): Move to cgraphbuild.c; rename to
11152 build_cgrpah_edges; make visited_nodes local.
11153 (cgraph_process_new_functions): DO not call initialize_inline_failed.
11154 (record_references_in_initializer): Move to cgraphbuild.c
11155 (initialize_inline_failed, rebuild_cgraph_edges,
11156 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
11157 (verify_cgraph_node): Make visited_nodes local.
11158 (cgraph_analyze_function): Do not call cgraph_create_edges and
11159 initialize_inline_failed.
11160 (cgraph_expand_function): Do not call cgraph_lower_function;
11161 assert that function is already lowered.
11162 * Makefile.in (cgraphbuild.o): New.
11163 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
11164 at the end of lowering passes.
11166 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
11168 * ifcvt.c (cond_move_convert_if_block): New function, code
11169 factored out from...
11170 (cond_move_process_if_block): ...here. Call the new function
11171 on the THEN and ELSE blocks.
11172 (merge_if_block): Do not copy global_live_at_end, merge_blocks
11173 already takes care of this.
11175 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11178 * tree.h (TREE_OVERFLOW_P): New.
11179 * c-typeck.c (parser_build_unary_op): Warn only if result
11180 overflowed and operands did not.
11181 (parser_build_binary_op): Likewise.
11182 (convert_for_assignment): Remove redundant overflow_warning.
11183 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
11185 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11187 * c-typeck.c (store_init_value): Split over two lines to follow
11188 the GNU coding style.
11190 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
11192 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
11193 __GXX_EXPERIMENTAL_CXX0X__.
11194 * doc/cpp.texi: Same.
11196 2007-01-05 Richard Guenther <rguenther@suse.de>
11198 PR middle-end/27826
11199 * tree.c (get_narrower): Do not construct COMPONENT_REFs
11200 with mismatched types. Instead explicitly build a
11201 conversion NOP_EXPR.
11203 2007-01-05 Ian Lance Taylor <iant@google.com>
11205 * c-common.c (decl_with_nonnull_addr_p): New function.
11206 (c_common_truthvalue_conversion): Call it.
11207 * c-typeck.c (build_binary_op): Likewise.
11208 * c-common.h (decl_with_nonnull_addr_p): Declare.
11210 2007-01-05 Jakub Jelinek <jakub@redhat.com>
11213 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
11216 2007-01-05 Joel Brobecker <brobecker@adacore.com>
11218 * doc/install.texi (Final install): Document the fact that
11219 the GNAT runtime should not be stripped.
11221 2007-01-04 Jan Hubicka <jh@suse.cz>
11223 * tree-inline.c (fold_marked_statements): Update operand caches
11224 and EH after folding
11226 2007-01-04 Ian Lance Taylor <iant@google.com>
11228 * c-common.c (check_function_nonnull): Whitespace fix.
11230 2007-01-04 Jan Hubicka <jh@suse.cz>
11232 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
11233 comitted older version of patch.
11234 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
11235 function, celanup cfg and collect garbage.
11237 2007-01-04 Mike Stump <mrs@apple.com>
11239 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
11242 2007-01-04 Eric Christopher <echristo@apple.com>
11244 * libgcc2.c (__bswapsi2): Use SItype.
11245 (__bswapdi2): Use DItype.
11246 * libgcc2.h: Update for above.
11248 2007-01-04 Paul Brook <paul@codesourcery.com>
11250 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
11251 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
11252 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
11253 umulsidi3, umulsidi3adddi, smulsi3_highpart,
11254 umulsi3_highpart): Make conditional on !arm_arch6.
11255 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
11256 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
11257 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
11258 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
11259 umulsi3_highpart_v6): New insns.
11261 2007-01-04 Roger Sayle <roger@eyesopen.com>
11263 * fold-const.c (fold_convert): When casting an expression to void,
11264 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
11265 have a type. Instead of attempting to build a NOP_EXPR, return
11266 these "special" trees directly.
11268 2007-01-04 Joseph Myers <joseph@codesourcery.com>
11270 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
11271 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
11272 rs6000_cost->fp not 0 as adjustment for outer NEG.
11274 2007-01-04 Jan Hubicka <jh@suse.cz>
11276 * cgraph.c (cgraph_release_function_body): New function.
11277 (cgraph_remove_node): Use it.
11278 * cgraph.h (cgraph_release_function_body): Declare.
11279 * cgraphunit.c (cgraph_expand_function): Use it.
11280 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
11281 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
11282 is initialized and while compilation of other function is running.
11283 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
11284 statement CFG annotations from here to ...
11285 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
11287 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
11289 * cfgloop.h (enum li_flags): Make the constants powers of two.
11291 2007-01-04 Jan Hubicka <jh@suse.cz>
11293 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
11295 (fold_marked_statements): New function.
11296 (optimize_inline_calls, tree_function_versioning): Fold new statements.
11297 * tree-inline.h (copy_body_data): Add statements_to_fold.
11299 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
11301 * config.gcc: Mention libgcc/config.host.
11302 * Makefile.in: Update comments mentioning libgcc.
11303 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
11304 (all.cross, start.encap, rest.encap, rest.cross): Update
11305 dependencies for libgcc move.
11306 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
11307 (clean-target, clean-target-libgcc): Delete.
11308 (srcdirify, GCC_EXTRA_PARTS): New macros.
11309 (libgcc-support, libgcc.mvars): New rules.
11310 (distclean): Remove mention of mklibgcc.
11311 (install): Don't reference INSTALL_LIBGCC.
11312 (install-common): Don't reference EXTRA_PARTS.
11313 (install-libgcc, install-multilib): Delete rules.
11314 * mklibgcc.in: Delete file.
11315 * doc/configfiles.texi: Don't mention mklibgcc.
11317 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
11318 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
11319 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
11320 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
11321 (mklibgcc, ldblspecs): Likewise.
11323 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
11324 (posixpre.def): Use $(T).
11325 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
11326 (SHLIB_SRC, SHLIB_INSTALL): Delete.
11327 (SHLIB_LINK): Make dummy.
11328 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
11330 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
11332 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
11333 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
11334 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
11335 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
11337 * configure.ac (all_outputs): Remove mklibgcc.
11338 * configure: Regenerated.
11340 2007-01-03 Josh Conner <jconner@apple.com>
11342 PR middle-end/29683
11343 * calls.c (compute_argument_addresses): Set stack and stack_slot
11344 for partial args, too.
11345 (store_one_arg): Use locate.size.constant for the size when
11346 generating a save_area.
11348 2007-01-03 Robert Kennedy <jimbob@google.com>
11350 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
11351 whose definitions are deleted due to basic block merging.
11353 2007-01-03 Paul Brook <paul@codesourcery.com>
11356 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
11358 (use_return_insn): Return 0 for Thumb interrupt functions.
11359 (print_multi_reg): Add rfe argument for IRQ returns.
11360 (arm_output_epilogue): Pop interrupt return address directly into PC.
11361 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
11363 2007-01-03 Paul Brook <paul@codesourcery.com>
11365 Merge from sourcerygxx-4_1.
11366 * config/arm/thumb2.md: New file.
11367 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
11369 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
11370 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
11371 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
11372 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
11374 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
11375 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
11377 * config/arm/ieee754-sf.S: Ditto.
11378 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
11379 (thumb1_base_register_rtx_p): ... to this.
11380 (thumb_index_register_rtx_p): Rename...
11381 (thumb1_index_register_rtx_p): ... to this.
11382 (thumb_output_function_prologue): Rename...
11383 (thumb1_output_function_prologue): ... to this.
11384 (thumb_legitimate_address_p): Rename...
11385 (thumb1_legitimate_address_p): ... to this.
11386 (thumb_rtx_costs): Rename...
11387 (thumb1_rtx_costs): ... to this.
11388 (thumb_compute_save_reg_mask): Rename...
11389 (thumb1_compute_save_reg_mask): ... to this.
11390 (thumb_final_prescan_insn): Rename...
11391 (thumb1_final_prescan_insn): ... to this.
11392 (thumb_expand_epilogue): Rename...
11393 (thumb1_expand_epilogue): ... to this.
11394 (arm_unwind_emit_stm): Rename...
11395 (arm_unwind_emit_sequence): ... to this.
11396 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
11397 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
11398 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
11399 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
11400 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
11401 thumb2_output_casesi): New functions.
11402 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
11403 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
11404 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
11405 THUMB2_WORK_REGS): Define.
11406 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
11407 arm_condexec_mask, arm_condexec_masklen)): New variables.
11408 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
11409 (arm_override_options): Check new CPU capabilities.
11410 Set new architecture flag variables.
11411 (arm_isr_value): Handle v7m interrupt functions.
11412 (user_return_insn): Return 0 for v7m interrupt functions. Handle
11414 (const_ok_for_arm): Handle Thumb-2 constants.
11415 (arm_gen_constant): Ditto. Use movw when available.
11416 (arm_function_ok_for_sibcall): Return false for v7m interrupt
11418 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
11419 (thumb_find_work_register, arm_load_pic_register,
11420 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
11421 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
11422 print_multi_reg, output_mov_long_double_fpa_from_arm,
11423 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
11424 output_mov_double_fpa_from_arm, output_move_double,
11425 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
11426 output_return_instruction, arm_output_function_prologue,
11427 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
11428 arm_output_mi_thunk, thumb_set_return_address): Ditto.
11429 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
11430 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
11431 (arithmetic_instr, shift_op): Use arm_shift_nmem.
11432 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
11434 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
11435 (thumb_expand_prologue): Use thumb_set_frame_pointer.
11436 (arm_file_start): Output directive for unified syntax.
11437 (arm_unwind_emit_set): Handle stack alignment instruction.
11438 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
11439 Add v6t2, v7, v7a, v7r and v7m.
11440 (RETLDM): Add Thumb-2 code.
11441 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
11442 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
11443 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
11444 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
11445 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
11446 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
11447 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
11448 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
11449 ADJUST_INSN_LENGTH): Define.
11450 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
11451 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
11452 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
11453 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
11454 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
11455 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
11456 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
11457 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
11458 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
11459 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
11460 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
11461 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
11462 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
11463 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
11464 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
11465 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
11466 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
11468 * config/arm/arm-tune.md: Regenerate.
11469 * config/arm/arm-protos.h: Update prototypes.
11470 * config/arm/vfp.md: Enable patterns for Thumb-2.
11471 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
11472 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
11473 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
11474 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
11475 * config/arm/libunwind.S: Add Thumb-2 code.
11476 * config/arm/constraints.md: Update include Thumb-2.
11477 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
11478 * config/arm/ieee754-df.S: Ditto.
11479 * config/arm/bpabi.S: Ditto.
11480 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
11481 * config/arm/predicates.md (low_register_operand,
11482 low_reg_or_int_operand, thumb_16bit_operator): New.
11483 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
11484 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
11485 * config/arm/t-arm-elf: Add armv7 multilib.
11486 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
11488 (UNSPEC_STACK_ALIGN, ce_count): New.
11489 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
11490 arm_zero_extendsidi2, arm_zero_extendqidi2): New
11492 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
11493 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
11494 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
11495 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
11496 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
11497 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
11499 * doc/extend.texi: Document ARMv7-M interrupt functions.
11500 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
11502 2007-01-03 Jakub Jelinek <jakub@redhat.com>
11504 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
11505 (struct _Unwind_Context): Rename args_size to flags, remove
11506 signal_frame field, add a new args_size field and version field.
11507 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
11508 _Unwind_IsExtendedContext): New inline functions.
11509 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11510 Assume by_value array is only present if _Unwind_IsExtendedContext.
11511 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
11512 _Unwind_IsSignalFrame.
11513 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
11514 (uw_update_context_1): Use _Unwind_SetSignalFrame.
11515 (uw_init_context_1): Initialize context->flags to
11516 EXTENDED_CONTEXT_BIT.
11517 * config/rs6000/linux-unwind.h (frob_update_context): Use
11518 _Unwind_SetSignalFrame.
11520 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
11522 PR middle-end/30353
11523 * gimplify.c (gimplify_modify_expr_complex_part): Move below
11524 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
11527 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
11529 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
11530 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
11531 RET, AT_SP): Remove.
11532 * config/i386/i386.md (*sse_prologue_save_insn): Use return
11535 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11536 * cfgbuild.c (find_basic_blocks): Likewise.
11537 * cfgrtl.c (rtl_create_basic_block): Likewise.
11538 * function.c (temp_slots_at_level): Likewise.
11539 * reg-stack.c (stack_regs_mentioned): Likewise.
11540 * regclass.c (allocate_reg_info): Likewise.
11541 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11542 set_bb_for_stmt, move_block_to_fn): Likewise.
11543 * tree-complex.c (tree_lower_complex): Likewise.
11544 * vec.h (VEC_safe_grow_cleared): New.
11546 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
11548 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
11550 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
11551 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
11553 * cfgloopmanip.c (scale_loop_frequencies): Export.
11554 (loopify): Scale the frequencies by prescribed coefficients.
11555 (set_zero_probability): New function.
11556 (duplicate_loop_to_header_edge): Improve updating of frequencies.
11557 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
11558 and frequencies according to arguments.
11559 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
11561 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
11562 * modulo-sched.c (sms_schedule): Set probabilities for entering
11563 versioned loop correctly.
11564 * tree-vect-transform.c (vect_transform_loop): Ditto.
11565 * cfgloop.h (loopify, loop_version): Declaration changed.
11566 (scale_loop_frequencies): Declared.
11568 2007-01-02 Jan Hubicka <jh@suse.cz>
11570 * cgraph.c: Include tree-flow.h
11571 (cgraph_add_new-function): Handle IPA_SSA mode; execute
11572 early_local_passes.
11573 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
11574 * tree-pass.h (pass_all_early_optimizations): Declare.
11575 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
11576 early_local_passes.
11577 (cgraph_analyze_function): Do early_local_passes.
11578 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
11579 Do not add referenced vars.
11580 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
11582 (gate_all_early_local_passes): New gate.
11583 (pass_early_local_passes): Use new gate.
11584 (execute_early_local_optimizations): New functions.
11585 (gate_all_early_optimizations): New gate.
11586 (pass_all_early_optimizations): New pass.
11587 (execute_free_datastructures): Free SSA only when initialized.
11588 (gate_init_datastructures): Init only when optimizing.
11589 (tree_lowering_passes): Do early local passes when called late.
11590 * tree-profile.c (do_tree_profiling): Don't profile functions added
11592 (do_early_tree_profiling, pass_early_tree_profile): Kill.
11593 * tree-cfg.c (update_modified_stmts): Do not update when operands are
11595 * passes.c (init_optimizations_passes): Reorder so we go into SSA
11596 during early_local_passes.
11597 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
11600 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
11602 * Makefile.in: Update copyright year.
11604 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
11606 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
11607 in $(lang_checks) and check-consistency targets.
11609 2007-01-02 Jan Hubicka <jh@suse.cz>
11611 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
11612 Do not add referenced vars.
11613 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
11615 * passes.c (init_optimization_passes): Put mudflap_2 after
11616 free_datastructures.
11618 2007-01-02 Jan Hubicka <jh@suse.cz>
11620 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
11621 Set NOTHROW flag on call statements proved to be nothrow.
11622 Update statement of local calls so new pure/const functions are
11623 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
11625 (tree_rest_of_compilation): Register hooks and initialize bitmap
11626 early. Do not set after_inlining flag.
11628 2007-01-02 Steve Ellcey <sje@cup.hp.com>
11630 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
11631 HOST_BITS_PER_LONGLONG
11633 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11636 * c-typeck.c (store_init_value): Don't emit pedantic overflow
11637 warning for non-static initializers.
11639 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
11641 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
11642 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
11643 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
11644 Always use set_unique_reg_note to add REG_EQUAL notes.
11646 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
11649 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
11651 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11652 * cfgbuild.c (find_basic_blocks): Likewise.
11653 * cfgrtl.c (rtl_create_basic_block): Likewise.
11654 * function.c (temp_slots_at_level): Likewise.
11655 * reg-stack.c (stack_regs_mentioned): Likewise.
11656 * regclass.c (allocate_reg_info): Likewise.
11657 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11658 set_bb_for_stmt, move_block_to_fn): Likewise.
11659 * tree-complex.c (tree_lower_complex): Likewise.
11660 * vec.h (VEC_safe_grow_cleared): New.
11662 2007-01-02 Ian Lance Taylor <iant@google.com>
11664 * c-common.c (c_common_truthvalue_conversion): When warning about
11665 using an assignment as a truth value, set TREE_NO_WARNING.
11667 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11670 * c.opt (Wold-style-declaration): New.
11671 * doc/invoke.texi (C-only Warning Options): New.
11672 (Wold-style-declaration): Document it.
11673 (Wextra): Enabled by -Wextra.
11674 * c-opts.c (c_common_post_options): Enabled by -Wextra.
11675 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
11676 -Wold-style-declaration.
11678 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
11680 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11681 * cfgbuild.c (find_basic_blocks): Likewise.
11682 * cfgrtl.c (rtl_create_basic_block): Likewise.
11683 * function.c (temp_slots_at_level): Likewise.
11684 * reg-stack.c (stack_regs_mentioned): Likewise.
11685 * regclass.c (allocate_reg_info): Likewise.
11686 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11687 set_bb_for_stmt, move_block_to_fn): Likewise.
11688 * tree-complex.c (tree_lower_complex): Likewise.
11689 * vec.h (VEC_safe_grow_cleared): New.
11691 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
11693 * c-common.c (c_common_nodes_and_builtins): Since variants of
11694 void_type_node get built before it is given a name, we need to
11695 give those variants the name, too.
11696 (complete_array_type): We need to work with the canonical main
11697 type of the array, from which we will build the qualified version.
11698 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
11699 * print-tree.c (print_node): Display canonical type information
11701 * stor-layout.c (layout_type): When we don't know the
11702 alignment of a type for which we're building an array, we end up
11703 guessing wrong, so make the type require structural equality.
11704 * tree.c (make_node_stat): When we build a new type, it is its
11705 own canonical type.
11706 (build_type_attribute_qual_variant): When building an attribute
11707 variant, its canonical type is the non-attribute variant. However,
11708 if the attributes are target-dependent and they differ, we need to
11709 use structural equality checks for this type.
11710 (build_qualified_type): A qualified type is not equivalent to its
11711 unqualified variant; set the canonical type appropriately.
11712 (build_distinct_type_copy): When building a distinct type from
11713 another type, the new type is its own canonical type.
11714 (build_variant_type_copy): When building a new type variant, we
11715 assume that it is equivalent to the original type.
11716 (build_pointer_type_for_mode): When building a pointer type, also
11717 build a canonical type pointer.
11718 (build_reference_type_for_mode): When building a reference type,
11719 also build a canonical type reference.
11720 (build_index_type): When we can't hash an index type (e.g.,
11721 because its maximum value is negative), the index type requires
11722 structural equality tests.
11723 (build_array_type): Build the canonical form of an array type.
11724 (build_function_type): Function types require structural equality,
11725 because they contain default arguments, attributes, etc.
11726 (build_method_type_directly): Ditto for method types.
11727 (build_offset_type): Build the canonical offset type.
11728 (build_complex_type): Build the canonical vector type.
11729 (make_vector_type): Build the canonical vector type.
11730 * tree.h (TYPE_CANONICAL): New.
11731 (TYPE_STRUCTURAL_EQUALITY_P): New.
11732 (SET_TYPE_STRUCTURAL_EQUALITY): New.
11733 (struct tree_type): Added "canonical" field.
11734 * params.h (VERIFY_CANONICAL_TYPES): New.
11735 * doc/c-tree.texi (TYPE_CANONICAL): Document.
11736 (TYPE_STRUCTURAL_EQUALITY_P): Document.
11737 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
11738 * doc/invoke.texi (verify-canonical-types): Document --param
11739 parameter for verifying canonical types.
11741 2007-01-02 Joseph Myers <joseph@codesourcery.com>
11743 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
11744 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
11745 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
11746 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
11748 * config/rs6000/e500.h: New.
11749 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
11750 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
11752 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
11753 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
11754 TARGET_E500_DOUBLE): Remove.
11755 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
11756 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
11757 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
11758 * config/rs6000/rs6000.c (rs6000_override_options): Use
11759 CHECK_E500_OPTIONS.
11761 2007-01-02 Joseph Myers <joseph@codesourcery.com>
11763 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
11764 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
11765 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
11766 rs6000_emit_cmove): Don't check TARGET_E500.
11767 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
11768 sordered): Don't check TARGET_E500.
11770 2007-01-01 Eric Christopher <echristo@apple.com>
11772 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
11773 HARD_REGISTER_NUM_P.
11775 2007-01-01 Roger Sayle <roger@eyesopen.com>
11777 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
11778 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
11779 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
11782 2007-01-01 Mike Stump <mrs@apple.com>
11784 * configure.ac: Remove support for building with Apple's gcc-3.1.
11786 2007-01-02 Joseph Myers <joseph@codesourcery.com>
11788 PR middle-end/30311
11789 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
11790 REG is a hard register. Do not modify REG before calling
11792 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
11793 multiple of the size of YMODE for certain lowpart cases.
11795 2007-01-01 Andrew Pinski <pinskia@gmail.com>
11797 PR middle-end/30253
11798 * gimplify (voidify_wrapper_expr): Update for
11799 GIMPLE_MODIFY_STMT.
11801 2007-01-01 Andreas Schwab <schwab@suse.de>
11804 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
11805 save of BR0 in extra_spill_size instead of spill_size.
11806 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
11808 (ia64_expand_epilogue): Restore BR0 from its new location.
11810 2007-01-01 Andrew Pinski <pinskia@gmail.com>
11812 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
11813 Use a temporary variable if the left hand side is not a gimple
11816 2007-01-01 Andrew Pinski <pinskia@gmail.com>
11818 * gimplify.c (gimplify_return_expr): Make the temporary variable
11819 for the return expression, a gimple register variable.
11821 2007-01-01 Jan Hubicka <jh@suse.cz>
11823 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
11826 2007-01-01 Mike Stump <mrs@apple.com>
11828 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
11830 * config/darwin.c (machopic_select_rtx_section): Use
11831 HAVE_GAS_LITERAL16.
11832 (darwin_mergeable_constant_section): Likewise.
11833 * configure: Regenerate.
11834 * config.in: Regenerate.
11836 2007-01-01 Jan Hubicka <jh@suse.cz>
11837 Andrew Pinski <pinskia@gmail.com>
11839 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
11840 before starting IPA passes.