| blob | c6282e0a9eb0d40cf3b97db7c4b492c9409ce1b9 |
1 2007-04-28 Sandra Loosemore <sandra@codesourcery.com>
2 Nigel Stephens <nigel@mips.com>
4 * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
6 2007-04-28 Jan Hubicka <jh@suse.cz>
8 * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
9 insn_locators_alloc instead of insn_locators_initialize;
10 call reset_block_changes.
11 * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
12 * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
13 * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
14 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
15 * config/score/score.c (th_output_mi_thunk): Likewise.
16 * config/mips/mips.c (mips_output_mi_thunk): Likewise.
17 * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
18 tolerate uninitialized locator info.
20 Re-apply:
21 * function.c (init_function_start): Don't init line number info.
22 (expand_function_end): Update.
23 (reset_block_changes, record_block_change, finalize_block_changes,
24 check_block_change, free_block_changes): Kill.
25 * function.h (reset_block_changes, record_block_change,
26 finalize_block_changes, check_block_change, free_block_changes): Remove
27 prototypes.
28 (struct function): Remove ib_boundaries_block.
29 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
30 Use curr_insn_locator to initialize locator.
31 (emit_line_note): Remove.
32 * cfgexpand.c (expand_gimple_cond_expr): Update.
33 (construct_exit_block): Likewise.
34 (tree_expand_cfg): Initialize/finalize locators.
35 * expr.c (expand_expr_real): Update.
36 * cfglayout.c (line_locators_locs, line_locators_lines,
37 file_locators_locs, file_locators_files): Remove.
38 (set_block_levels): Move to cfgexpand.c.
39 (insn_locators_initialize): Remove.
40 (pass_insn_locators_initialize): Remove.
41 (locations_locators_locs, locations_locators_vals): New static vars.
42 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
43 Likewise.
44 (insn_locators_alloc, insn_locators_finalize,
45 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
46 New functions.
47 (locator_location): New.
48 (locator_line, locator_file): Rewrite.
49 * rtl.h (emit_line_note): Kill.
50 (insn_locators_alloc, insn_locators_finalize,
51 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
52 Declare.
53 * tree-inline.c (initialize_cfun): Do not initialize
54 ib_boundaries_block.
55 * passes.c (pass_insn_locators_initialize): Remove.
57 2007-04-28 Zdenek Dvorak <dvorakz@suse.cz>
59 * tree-cfg.c (move_block_to_fn): Release bb from dominance
60 info. Update last_basic_block correctly.
62 2007-04-27 Kaz Kojima <kkojima@gcc.gnu.org>
64 PR target/31701
65 * config/sh/sh.c (output_stack_adjust): Avoid using the frame
66 register itself to hold the offset constant. Tell flow the use
67 of r4 and r5 when they are used.
69 2007-04-27 Richard Guenther <rguenther@suse.de>
71 * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
72 if we simplified anything.
73 (tree_ssa_forward_propagate_single_use_vars): Defer overflow
74 warnings until we did a simplification and the stmt was not
75 marked as TREE_NO_WARNING.
77 2007-04-27 Mike Stump <mrs@apple.com>
79 * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
81 2007-04-27 Ian Lance Taylor <iant@google.com>
83 PR middle-end/31710
84 * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
85 TYPE_MAX_VALUE exist, convert them to the new type.
87 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
89 * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
90 if it claims to be available.
91 * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
92 edge is redirected.
93 (perform_tree_ssa_dce): Always free postdominators.
95 2007-04-27 Richard Henderson <rth@redhat.com>
97 * config/alpha/predicates.md (aligned_memory_operand): Mark
98 as define_special_predicate.
99 (unaligned_memory_operand, normal_memory_operand): Likewise.
100 (reg_or_unaligned_mem_operand): Remove.
101 (any_memory_operand): Match the documentation and check for
102 non-renumbered pseudos during reload.
103 * config/alpha/alpha.c (alpha_secondary_reload): Rename from
104 alpha_secondary_reload_class, update to new interface, make static.
105 Handle CQImode like HImode. Remove FP subreg check.
106 (alpha_expand_mov): Use replace_equiv_address.
107 (alpha_expand_mov_nobwx): Use any_memory_operand.
108 (TARGET_SECONDARY_RELOAD): New.
109 * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
110 (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
111 * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
112 * config/alpha/alpha.md: ... here.
113 (RELOAD12, reloadmode): New.
114 (movcqi): New.
115 (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
116 Don't handle the aligned case here.
117 (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
118 (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
119 reload_inhi_help. Don't expect a scratch register.
120 (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
121 reload_outhi_help.
122 * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
124 2007-04-27 Richard Guenther <rguenther@suse.de>
126 * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
128 2007-04-27 Richard Guenther <rguenther@suse.de>
130 PR tree-optimization/30965
131 PR tree-optimization/30978
132 * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
133 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
134 (find_equivalent_equality_comparison): Likewise.
135 (simplify_cond): Likewise.
136 (get_prop_source_stmt): New helper.
137 (get_prop_dest_stmt): Likewise.
138 (can_propagate_from): Likewise.
139 (remove_prop_source_from_use): Likewise.
140 (combine_cond_expr_cond): Likewise.
141 (forward_propagate_comparison): New function.
142 (forward_propagate_into_cond): Rewrite to use fold for
143 tree combining.
144 (tree_ssa_forward_propagate_single_use_vars): Call
145 forward_propagate_comparison to propagate comparisons.
147 2007-04-27 Richard Guenther <rguenther@suse.de>
149 PR tree-optimization/31715
150 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
151 sure to do computation on the offset in an appropriate
152 signed type.
154 2007-04-27 Richard Sandiford <richard@codesourcery.com>
156 * reload.h (elimination_target_reg_p): Declare.
157 * reload.c (find_reloads): Don't apply the reg_rtx move
158 optimization if the SET_DEST satisfies elimination_target_reg_p.
159 * reload1.c (elimination_target_reg_p): New function.
160 (gen_reload): In the move/add2 fallback, make sure that op0
161 does not overlap the destination register.
163 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
165 * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
166 transform only GIMPLE_MODIFY_STMTs.
167 * tree-complex.c (expand_complex_operations_1): Ditto.
168 (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
169 * tree-ssa-loop-manip.c (build_if_stmt): Removed.
170 (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
171 branches.
172 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
173 tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
174 * omp-low.c (expand_parallel_call, expand_omp_for_generic,
175 expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
176 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
177 slpeel_add_loop_guard): Ditto.
178 * tree-mudflap.c (mf_build_check_statement_for): Ditto.
179 * lambda-code.c (perfect_nestify): Ditto.
180 * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
181 before the first statement.
182 * tree-optimize.c (execute_free_datastructures): Fix comments.
183 (execute_free_cfg_annotations): Do not call disband_implicit_edges.
184 * tree-flow.h (disband_implicit_edges): Declaration removed.
185 * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
186 branches.
187 (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
188 without gotos.
189 (disband_implicit_edges, has_label_p): Removed.
190 (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
191 (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
192 branches.
193 * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
194 side effects.
195 * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
196 also for COND_EXPRs.
197 * cfgexpand.c (label_rtx_for_bb): New function.
198 (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
199 Use label_rtx_for_bb to find the labels.
200 (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
201 last block. Detect fallthru edges.
203 2007-04-26 Ian Lance Taylor <iant@google.com>
205 PR target/28675
206 * reload.c (find_reloads_subreg_address): If the address was valid
207 in the original mode but not in the new mode, reload the whole
208 address.
210 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
212 * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
213 (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
214 (cleanup_control_expr_graph): Do not invalidate dominance info.
215 Record altered blocks.
216 (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
217 (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
218 cleanup_tree_cfg_bb): New functions.
219 (remove_forwarder_block): Do not maintain the worklist of blocks.
220 Record altered blocks.
221 (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
222 not over whole cfg.
223 (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1. Only call
224 delete_unreachable_blocks if dominators are not available.
225 * tree-inline.c (optimize_inline_calls): Free dominance information
226 earlier.
227 * tree-flow.h (remove_edge_and_dominated_blocks,
228 cfgcleanup_altered_bbs): Altered.
229 * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
230 blocks.
231 (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
232 functions.
233 (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
234 do not invalidate dominators.
236 2007-04-26 Anatoly Sokolov <aesok@post.ru>
238 * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
239 ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
240 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
241 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
243 2007-04-26 Steve Ellcey <sje@cup.hp.com>
245 * config/ia64/ia64.md (ip_value): Fix itanium_class attribute.
247 2007-04-26 Richard Guenther <rguenther@suse.de>
249 PR tree-optimization/31703
250 * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
251 the right type for the target of the bittest.
253 2007-04-26 Richard Sandiford <richard@codesourcery.com>
255 * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
256 ix86_sol10_return_in_memory.
258 2007-04-26 Richard Sandiford <richard@codesourcery.com>
260 * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
261 variables.
263 2007-04-26 Jakub Jelinek <jakub@redhat.com>
265 PR c++/31598
266 * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
268 PR tree-optimization/30558
269 * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
270 clear this_state.prev_try.
272 2007-04-26 Richard Sandiford <richard@codesourcery.com>
273 Mark Mitchell <mark@codesourcery.com>
275 * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
276 * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
277 * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
279 2007-04-26 Richard Sandiford <richard@codesourcery.com>
281 PR driver/31107
282 * doc/invoke.texi (%:print-asm-header): Document.
283 * gcc.c (asm_options): Use %:print-asm-header() for --target-help
284 and -ftarget-help.
285 (static_spec_functions): Add print-asm-header.
286 (main): Print a banner before the --target-help linker options.
287 (print_asm_header_spec_function): New function.
289 2007-04-25 Kaz Kojima <kkojima@gcc.gnu.org>
291 PR target/31403
292 * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
293 (movsf_ie): Likewise.
295 2007-04-25 Paolo Carlini <pcarlini@suse.de>
297 * doc/extend.texi ([Type Traits]): Adjust per N2255.
299 2007-04-25 Bob Wilson <bob.wilson@acm.org>
301 * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
302 for divide-by-zero.
303 (__umodsi3, __modsi3): Likewise.
305 2007-04-25 Dirk Mueller <dmueller@suse.de>
307 * c-typeck.c (build_compound_expr): Annotate warning()
308 call with OPT_Wunused_value.
309 * tree-ssa.c (warn_uninit): Annotate warning with
310 OPT_Wunintialized.
311 * c-common.c (handle_sentinel_attribute): Annotate warning
312 call with OPT_Wattributes.
314 2007-04-25 Thiemo Seufer <ths@mips.com>
316 * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
317 (mips16): Fix typo.
318 * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
319 on to the assembler. Improve handling of -mno-mips16. Add handling
320 of -mno-mips3d, -mno-dsp, -mno-dspr2.
321 * doc/invoke.texi (MIPS Options): Whitespace cleanup. Fix wrong use
322 of @itemx. Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
323 -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
325 2007-04-25 Danny Smith <dannysmith.users.sourceforge.net>
327 PR target/31680
328 * config/i386/winnt.c (i386_pe_file_end): Strip only
329 USER_LABEL_PREFIX when writing export name.
331 2007-04-25 Richard Sandiford <richard@codesourcery.com>
333 * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h. Include
334 sh/elf.h, vx-common.h and vxworks.h.
335 * config/sh/sh.h: Include config/vxworks-dummy.h.
336 (SUBTARGET_OVERRIDE_OPTIONS): Define.
337 (OVERRIDE_OPTIONS): Use it.
338 * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
339 (vxworks_picreg): New pattern.
340 * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
341 VXWORKS_OS_CPP_BUILTINS.
342 (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
343 to their VXWORKS_* equivalents.
344 (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
345 (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
346 * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
347 (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
348 * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
349 -mrtp/-fPIC multilibs.
350 (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
351 (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
352 (MULTILIB_OSDIRNAMES): Delete.
354 2007-04-25 Anatoly Sokolov <aesok@post.ru>
356 PR target/18989
357 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
359 2007-04-24 Brooks Moses <brooks.moses@codesourcery.com>
361 * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
362 rounding mode to be specified by the caller.
363 (real_to_mpfr) Likewise.
364 * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
365 include new arguments.
366 * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
368 2007-04-24 Ian Lance Taylor <iant@google.com>
370 PR tree-optimization/31605
371 * tree-vrp.c (set_value_range): Check that min and max are not
372 both overflow infinities.
373 (set_value_range_to_value): New static function.
374 (extract_range_from_binary_expr): Call set_value_range_to_value.
375 (extract_range_from_cond_expr): Likewise.
376 (extract_range_from_expr): Likewise.
377 (extract_range_from_unary_expr): Likewise. Don't create a range
378 which overflows on both sides.
379 (vrp_meet): Check for a useless range.
380 (vrp_visit_phi_node): If we see a constant which looks like an
381 overflow infinity, turn off the TREE_OVERFLOW flag.
383 2007-04-24 Ian Lance Taylor <iant@google.com>
385 * flow.c (elim_reg_cond): Handle a comparison of a subreg.
387 2007-04-24 Simon Martin <simartin@users.sourceforge.net>
389 PR diagnostic/25923
390 * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
391 diagnostic message is being built.
392 * tree-pretty-print.c (dump_generic_node): Only write the
393 formatted text into BUFFER's stream if we are not building a
394 diagnostic message.
395 * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
396 dump_generic_node.
397 * Makefile.in (toplev.o): Depend on tree-pass.h.
399 2007-04-24 Ian Lance Taylor <iant@google.com>
401 PR tree-optimization/31602
402 * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
403 conditionals in the copied loop header.
404 * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
405 warnings if TREE_NO_WARNING is set.
406 * doc/invoke.texi (Warning Options): Clarify that
407 -Wstrict-overflow does not warn about loops.
409 2007-04-24 Janis Johnson <janis187@us.ibm.com>
411 * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
412 expand on the comment about _Decimal128 arguments and check the
413 integer result of the modulus operation; for 64-bit ELF ABI, ensure
414 that _Decimal128 argument uses even/odd register pair.
415 (function_arg): Ditto.
417 2007-04-24 Hui-May Chang <hm.chang@apple.com>
419 * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
420 instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
422 2007-04-24 Richard Guenther <rguenther@suse.de>
423 Olga Golovanevsky <olga@il.ibm.com>
425 * fold-const.c (multiple_of_p): Check for bottom
426 to be zero.
428 2007-04-24 Richard Henderson <rth@redhat.com>
430 * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
431 IS_IBM_EXTENDED. Also define in terms of WIDEST_HARDWARE_FP_SIZE.
432 * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
433 looking for non-zero bits shifted out. Avoid a recursive call
434 when constructing the scalar.
435 (__floatundisf): Likewise.
437 2007-04-24 Nathan Froyd <froydnj@codesourcery.com>
439 * dwarf2out.c (field_byte_offset): Move the existing logic
440 under the control of PCC_BITFIELD_TYPE_MATTERS and just use
441 the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
443 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
445 PR target/31641
446 * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
447 argument of 0 for memset.
448 (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
449 unsigned shift instead of the signed variant.
451 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
453 * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
454 "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
455 "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
456 "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
457 "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
458 "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
459 "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
460 "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
461 "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
462 ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
463 "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
464 "mul<mode>3", "div<mode>3"): Insn definitions added.
465 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
466 "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
467 to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
468 ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
469 "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
470 "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
471 ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
472 * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
473 TARGET_FLOAT_FORMAT): Macro definitions removed.
474 (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
475 * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
476 z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
477 (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
478 (s390_gen_rtx_const_DI): Function removed.
479 * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
481 2007-04-24 Richard Sandiford <richard@codesourcery.com>
483 * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
484 over an external ffs function.
486 2007-04-24 Chao-ying Fu <fu@mips.com>
487 Richard Sandiford <richard@nildram.co.uk>
489 * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
490 * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
491 (smadd_widen_optab, umadd_widen_optab): Define.
492 * optabs.c (init_optabs): Initialize smadd_widen_optab and
493 umadd_widen_optab.
494 * genopinit.c (optabs): Fill in smadd_widen_optab and
495 umadd_widen_optab.
496 * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
497 and umadd_widen_optab to implement multiply-add sequences.
498 * config/mips/mips.md (*<su>mul_acc_di): Rename to...
499 (<u>maddsidi4): ...this. Extend condition to include
500 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
501 of operand 0 to "ka" and use the three-operand form of madd<u>
502 for TARGET_DSPR2.
503 * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
504 to define_expands.
505 * config/mips/constraints.md (ka): New register constraint.
507 2007-04-24 Jan Hubicka <j@suse.cz>
509 Revert:
511 2007-04-23 Jan Hubicka <jh@suse.cz>
512 * function.c (init_function_start): Don't init line number info.
513 (expand_function_end): Update.
514 (reset_block_changes, record_block_change, finalize_block_changes,
515 check_block_change, free_block_changes): Kill.
516 * function.h (reset_block_changes, record_block_change,
517 finalize_block_changes, check_block_change, free_block_changes): Remove
518 prototypes.
519 (struct function): Remove ib_boundaries_block.
520 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
521 Use curr_insn_locator to initialize locator.
522 (emit_line_note): Remove.
523 * cfgexpand.c (expand_gimple_cond_expr): Update.
524 (construct_exit_block): Likewise.
525 (tree_expand_cfg): Initialize/finalize locators.
526 * expr.c (expand_expr_real): Update.
527 * cfglayout.c (line_locators_locs, line_locators_lines,
528 file_locators_locs, file_locators_files): Remove.
529 (set_block_levels): Move to cfgexpand.c.
530 (insn_locators_initialize): Remove.
531 (pass_insn_locators_initialize): Remove.
532 (locations_locators_locs, locations_locators_vals): New static vars.
533 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
534 Likewise.
535 (insn_locators_alloc, insn_locators_finalize,
536 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
537 New functions.
538 (locator_location): New.
539 (locator_line, locator_file): Rewrite.
540 * rtl.h (emit_line_note): Kill.
541 (insn_locators_alloc, insn_locators_finalize,
542 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
543 Declare.
544 * tree-inline.c (initialize_cfun): Do not initialize
545 ib_boundaries_block.
546 * passes.c (pass_insn_locators_initialize): Remove.
548 2007-04-24 Daniel Franke <franke.daniel@gmail.com>
550 * doc/invoke.texi: Removed leading '-' from option index entries.
552 2007-04-23 Zdenek Dvorak <dvorakz@suse.cz>
554 * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
555 Use phi_nodes_ptr.
556 (create_phi_node): Use set_phi_nodes.
557 * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
558 * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
559 (combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
560 * tree-flow-inline.h (phi_nodes, set_phi_nodes,
561 (bsi_start, bsi_last): Use bb_stmt_list.
562 (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
563 * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
564 Traverse the statements using tsi iterator.
565 * basic-block.h (struct basic_block_def): Fields stmt_list
566 and phi_nodes moved to ...
567 (struct tree_bb_info): ... new structure.
568 * tree-cfg.c (create_bb): Allocate il.tree. Use set_bb_stmt_list.
569 (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
570 (remove_bb): Handle blocks with NULL stmt list. Clear il.tree field.
571 (tree_verify_flow_info): Verify that il.tree is not set for
572 entry and exit block.
573 (tree_split_block): Use set_bb_stmt_list.
575 2007-04-23 Mike Stump <mrs@apple.com>
577 * config/i386/i386.c (ix86_tune_features
578 [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
579 nocona and core2.
581 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
583 * config/i386/i386.md (prefix_extra): New attribute.
584 (length): Add prefix_extra.
586 * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
587 (sse2_movntv2di): Likewise.
588 (sse2_cvtps2dq): Likewise.
589 (sse2_cvtpd2pi): Likewise.
590 (sse2_cvttpd2pi): Likewise.
591 (*sse2_cvtpd2ps): Likewise.
592 (*add<mode>3): Likewise.
593 (sse2_ssadd<mode>3): Likewise.
594 (sse2_usadd<mode>3): Likewise.
595 (*sub<mode>3): Likewise.
596 (sse2_sssub<mode>3): Likewise.
597 (sse2_ussub<mode>3): Likewise.
598 (*mulv8hi3): Likewise.
599 (*smulv8hi3_highpart): Likewise.
600 (*umulv8hi3_highpart): Likewise.
601 (sse2_umulv2siv2di3): Likewise.
602 (sse2_pmaddwd): Likewise.
603 (ashr<mode>3): Likewise.
604 (lshr<mode>3): Likewise.
605 (ashl<mode>3): Likewise.
606 (sse2_ashlti3): Likewise.
607 (sse2_lshrti3): Likewise.
608 (*umaxv16qi3): Likewise.
609 (*smaxv8hi3): Likewise.
610 (*uminv16qi3): Likewise.
611 (*sminv8hi3): Likewise.
612 (sse2_eq<mode>3): Likewise.
613 (sse2_gt<mode>3): Likewise.
614 (*and<mode>3): Likewise.
615 (sse2_nand<mode>3): Likewise.
616 (*ior<mode>3): Likewise.
617 (*xor<mode>3): Likewise.
618 (sse2_packsswb): Likewise.
619 (sse2_packssdw): Likewise.
620 (sse2_packuswb): Likewise.
621 (sse2_punpckhbw): Likewise.
622 (sse2_punpcklbw): Likewise.
623 (sse2_punpckhwd): Likewise.
624 (sse2_punpcklwd): Likewise.
625 (sse2_punpckhdq): Likewise.
626 (sse2_punpckldq): Likewise.
627 (sse2_punpckhqdq): Likewise.
628 (sse2_punpcklqdq): Likewise.
629 (*sse2_pinsrw): Likewise.
630 (*sse2_pextrw): Likewise.
631 (sse2_pshufd_1): Likewise.
632 (sse2_uavgv16qi3): Likewise.
633 (sse2_uavgv8hi3): Likewise.
634 (sse2_psadbw): Likewise.
635 (sse2_pmovmskb): Likewise.
636 (*sse2_maskmovdqu): Likewise.
637 (*sse2_maskmovdqu_rex64): Likewise.
638 (sse4a_extrqi): Likewise.
639 (sse4a_extrq): Likewise.
640 (sse3_lddqu): Set prefix_rep.
641 (sse3_addsubv4sf3): Likewise.
642 (sse3_haddv4sf3): Likewise.
643 (sse3_hsubv4sf3): Likewise.
644 (sse_cvtss2si): Likewise.
645 (sse_cvtss2si_2): Likewise.
646 (sse_cvtss2siq): Likewise.
647 (sse_cvtss2siq_2): Likewise.
648 (sse_cvttss2si): Likewise.
649 (sse_cvttss2siq): Likewise.
650 (sse2_cvttps2dq): Likewise.
651 (sse3_movshdup): Likewise.
652 (sse3_movsldup): Likewise.
653 (sse2_cvtsd2si): Likewise.
654 (sse2_cvtsd2si_2): Likewise.
655 (sse2_cvtsd2siq): Likewise.
656 (sse2_cvtsd2siq_2): Likewise.
657 (sse2_cvttsd2si): Likewise.
658 (sse2_cvttsd2siq): Likewise.
659 (*sse2_cvtpd2dq): Likewise.
660 (*sse2_cvttpd2dq): Likewise.
661 (sse2_pshuflw_1): Likewise.
662 (sse2_pshufhw_1): Likewise.
663 (sse4a_insertqi): Likewise.
664 (sse4a_insertq): Likewise.
665 (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
666 (ssse3_phadddv4si3): Likewise.
667 (ssse3_phaddswv8hi3): Likewise.
668 (ssse3_phsubwv8hi3): Likewise.
669 (ssse3_phsubdv4si3): Likewise.
670 (ssse3_phsubswv8hi3): Likewise.
671 (ssse3_pmaddubswv8hi3): Likewise.
672 (ssse3_pmulhrswv8hi3): Likewise.
673 (ssse3_pshufbv16qi3): Likewise.
674 (ssse3_psign<mode>3): Likewise.
675 (ssse3_palignrti): Likewise.
676 (abs<mode>2): Likewise.
677 (ssse3_phaddwv4hi3): Set prefix_extra.
678 (ssse3_phadddv2si3): Likewise.
679 (ssse3_phaddswv4hi3): Likewise.
680 (ssse3_phsubwv4hi3): Likewise.
681 (ssse3_phsubdv2si3): Likewise.
682 (ssse3_phsubswv4hi3): Likewise.
683 (ssse3_pmaddubswv4hi3): Likewise.
684 (ssse3_pmulhrswv4hi3): Likewise.
685 (ssse3_pshufbv8qi3): Likewise.
686 (ssse3_psign<mode>3): Likewise.
687 (ssse3_palignrdi): Likewise.
688 (abs<mode>2): Likewise.
689 (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
690 (*vec_dupv2df): Set mode to V2DF instead of V4SF.
691 (sse2_pmovmskb): Set mode to SI instead of V2DF.
693 2007-04-23 Nick Clifton <nickc@redhat.com>
695 * params.def: Fix formatting of emacs local variables.
697 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
699 * config/i386/sse.md (sse2_stored): Don't split to inter-unit
700 move if inter-unit move isn't allowed.
701 Don't split moving the first element of V2DI to DI to inter-unit
702 move if inter-unit move isn't allowed.
704 2007-04-23 Richard Guenther <rguenther@suse.de>
706 * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
707 and CDI_POST_DOMINATORS separately.
709 2007-04-23 Nick Clifton <nickc@redhat.com>
711 * c.opt (Wformat-contains-nul): Add warning attribute.
713 2007-04-23 Jan Hubicka <jh@suse.cz>
715 * function.c (init_function_start): Don't init line number info.
716 (expand_function_end): Update.
717 (reset_block_changes, record_block_change, finalize_block_changes,
718 check_block_change, free_block_changes): Kill.
719 * function.h (reset_block_changes, record_block_change,
720 finalize_block_changes, check_block_change, free_block_changes): Remove
721 prototypes.
722 (struct function): Remove ib_boundaries_block.
723 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
724 Use curr_insn_locator to initialize locator.
725 (emit_line_note): Remove.
726 * cfgexpand.c (expand_gimple_cond_expr): Update.
727 (construct_exit_block): Likewise.
728 (tree_expand_cfg): Initialize/finalize locators.
729 * expr.c (expand_expr_real): Update.
730 * cfglayout.c (line_locators_locs, line_locators_lines,
731 file_locators_locs, file_locators_files): Remove.
732 (set_block_levels): Move to cfgexpand.c.
733 (insn_locators_initialize): Remove.
734 (pass_insn_locators_initialize): Remove.
735 (locations_locators_locs, locations_locators_vals): New static vars.
736 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
737 Likewise.
738 (insn_locators_alloc, insn_locators_finalize,
739 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
740 New functions.
741 (locator_location): New.
742 (locator_line, locator_file): Rewrite.
743 * rtl.h (emit_line_note): Kill.
744 (insn_locators_alloc, insn_locators_finalize,
745 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
746 Declare.
747 * tree-inline.c (initialize_cfun): Do not initialize
748 ib_boundaries_block.
749 * passes.c (pass_insn_locators_initialize): Remove.
751 2007-04-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
753 PR middle-end/31448
754 * expr.c (reduce_to_bit_field_precision): Handle
755 CONST_INT rtx's.
757 2007-04-22 Uros Bizjak <ubizjak@gmail.com>
759 PR tree-optimization/24659
760 * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
761 OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
762 (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
763 * genopinit.c (optabs): Rename vec_pack_mod_optab
764 to vec_pack_trunc_optab.
765 * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
766 early for scalar floating point operands for NOP_EXPR.
767 (vectorizable_type_promotion): Ditto.
768 * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
769 vec_pack_trunc_optab.
770 (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
772 * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
773 * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
774 Rename from VEC_PACK_MOD_EXPR.
775 (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
776 * expr.c (expand_expr_real_1): Ditto.
777 * tree-inline.c (estimate_num_insns_1): Ditto.
778 * tree-vect-generic.c (expand_vector_operations_1): Ditto.
780 * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
781 (vec_unpacks_lo_v4sf): Ditto.
782 (vec_pack_trunc_v2df): Ditto.
783 (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
784 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
785 (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
787 * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
788 vec_pack_mod_v8hi.
789 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
791 * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
792 Rename from VEC_PACK_MOD_EXPR. This expression also represent
793 packing of floating point operands.
794 [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
795 represent unpacking of floating point operands.
796 * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
797 [vec_unpacks_hi]: Ditto.
798 [vec_unpacks_lo]: Ditto.
800 2007-04-22 Jan Hubicka <jh@suse.cz>
802 * final.c (rest_of_handle_final): Call
803 targetm.asm_out.constructor/targetm.asm_out.destructor
804 * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
805 proper priority via decl_*_priority_insert.
806 * c-common.c (c_expand_body): Likewise.
808 2007-04-22 Richard Guenther <rguenther@suse.de>
810 PR tree-optimization/29789
811 * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
812 (rewrite_reciprocal): New helper split out from
813 determine_invariantness_stmt.
814 (rewrite_bittest): Likewise.
815 (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
816 A & (1 << B) if (1 << B) is loop invariant but (A >> B)
817 is not.
819 2007-04-22 Revital Eres <eres@il.ibm.com>
821 * loop-unroll.c (var_to_expand): New field to support also
822 insns of the form x = something + x.
823 (analyze_insn_to_expand_var): Use it.
824 (expand_var_during_unrolling): Likewise.
826 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
828 * predict.c: Include pointer-set.h.
829 (bb_predictions): New variable.
830 (tree_predicted_by_p, tree_predict_edge,
831 remove_predictions_associated_with_edge): Use bb_predictions map
832 instead of bb->predictions.
833 (clear_bb_predictions, assert_is_empty): New functions.
834 (combine_predictions_for_bb): Use bb_predictions map. Call
835 clear_bb_predictions.
836 (tree_estimate_probability): Create and free bb_predictions map.
837 * Makefile.in (predict.o): Add pointer-set.h dependency.
838 * basic-block.h (struct basic_block_def): Remove predictions
839 field.
840 * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
842 2007-04-21 Kaz Kojima <kkojima@gcc.gnu.org>
844 PR target/31480
845 * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
846 is null.
848 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
850 * timevar.c (timevar_print): Change reference of --disable-checking to
851 --enable-checking=release. Also warn if assert checking is disabled.
853 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
855 PR C/30265
856 * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
857 decl as addressable if the compound literal was marked as
858 addressable.
859 Mark the decl as a gimple register if it is a complex or
860 vector decl and does not live in memory.
862 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
864 * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
865 (GENERIC_NEXT): New function macro.
866 (PHI_CHAIN): Use phi_node's new chain variable.
867 (tree_phi_node): Change tree_common to tree_base
868 and add the chain field.
869 * tree-phinodes.c (make_phi_node): Don't set
870 TREE_TYPE on the new node.
871 * c-decl.c (lang_tree_node): Use GENERIC_NEXT
872 instead of checking GIMPLE_TUPLE_P in chain_next.
873 * tree-vect-transform.c
874 (get_initial_def_for_induction): Look at
875 PHI_RESULT_TREE for the type of the phi node.
876 (update_vuses_to_preheader): Use PHI_CHAIN
877 instead of TREE_CHAIN on the phi node.
878 * tree-ssa-structalias.c (compute_points_to_sets):
879 Likewise.
880 (ipa_pta_execute): Likewise.
882 2007-04-21 Richard Guenther <rguenther@suse.de>
884 PR middle-end/31136
885 * fold-const.c (fold_unary): Call fold_convert_const on the
886 original tree.
888 2007-04-21 Alexandre Oliva <aoliva@redhat.com>
890 * gcse.c (store_killed_in_insn): Handle PARALLELs.
891 (store_killed_in_pat): New.
893 2007-04-20 Richard Henderson <rth@redhat.com>
895 PR target/31628
896 * config/i386/i386.c (type_has_variadic_args_p): Look for any
897 TREE_LIST with a void_type_node value, not void_list_node exactly.
899 2007-04-21 Douglas Gregor <doug.gregor@gmail.com>
901 * doc/standards.texi: Re-arrange into language-specific
902 subsections. Add a C++ section, documenting which standards we
903 support.
905 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
907 * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
908 * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
910 2007-04-20 Daniel Jacobowitz <dan@codesourcery.com>
912 * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
913 ecrti.o and crtbegin.o.
914 (LIB_DEFAULT_SPEC): Include -lc.
915 (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
917 2007-04-20 Richard Henderson <rth@redhat.com>
919 PR target/28623
920 * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
921 argument; update all callers.
922 (get_unaligned_offset): New.
923 * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
924 get_unaligned_address, just pass on the address directly.
925 (unaligned_extendqidi): Use gen_lowpart instead of open-coding
926 the subreg in the helper patterns.
927 (unaligned_extendqidi_le): Use get_unaligned_offset.
928 (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
929 (unaligned_extendhidi_be): Likewise.
930 (unaligned_extendhidi): Tidy.
931 * config/alpha/alpha-protos.h: Update.
933 2007-04-20 Richard Henderson <rth@redhat.com>
935 * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
936 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
937 * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
938 * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
939 * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
940 (CPP_SPEC): Don't include %(cpp_subtarget).
941 * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
942 (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
943 * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
945 2007-04-20 Jakub Jelinek <jakub@redhat.com>
947 * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
948 for __builtin_ia32_cmpordss.
950 PR tree-optimization/31632
951 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
952 and arg1 for optimizations of comparison against min/max values.
953 Fold arg0 to arg1's type for optimizations of comparison against
954 min+1 and max-1 values.
956 2007-04-19 Bernd Schmidt <bernd.schmidt@analog.com>
958 * reload.c (combine_reloads): When trying to use a dying register,
959 check whether it's uninitialized and don't use if so.
961 2007-04-19 Brooks Moses <brooks.moses@codesourcery.com>
963 * fold-const.c: Remove prototypes for native_encode_expr and
964 native_interpret_expr.
965 (native_encode_expr): Make non-static.
966 (native_interpret_expr): Likewise.
967 * tree.h: Add prototypes for the above.
969 2007-04-19 Joseph Myers <joseph@codesourcery.com>
971 * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
972 *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
973 *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
974 spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
975 tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
976 Add length attributes.
978 2007-04-19 Janis Johnson <janis187@us.ibm.com>
980 * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
981 not that it is 1.
983 * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
984 __STDC_WANT_DEC_FP__.
986 2007-04-19 Joseph Myers <joseph@codesourcery.com>
988 * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
989 for long double compatibility.
990 * configure: Regenerate.
992 2007-04-19 Eric Botcazou <ebotcazou@libertysurf.fr>
994 PR rtl-optimization/29841
995 * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
996 trap instructions.
997 * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
998 that may cause control flow transfer from being moved.
1000 2007-04-18 Jan Hubicka <jh@suse.cz>
1002 * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
1003 types.
1005 2007-04-18 Eric Christopher <echristo@apple.com>
1007 * config/rs6000/darwin.md (load_macho_picbase): Use link register
1008 only. Update operands.
1009 * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
1010 * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
1011 link register to pic register.
1013 2007-04-18 Dirk Mueller <dmueller@suse.de>
1015 PR diagnostic/31227
1016 * tree-vrp.c (search_for_addr_array): New.
1017 (check_array_bounds): Suppress warning about
1018 address taken of array refs if its not de-referenced.
1020 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
1022 * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
1023 * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
1025 * tree-vectorizer.h (NITERS_KNOWN_P): New.
1026 * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
1027 instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
1029 * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
1030 dump print.
1031 (vect_analyze_operations): Fix indenetation. Fix a comment. Fix a
1032 print message.
1033 (vect_analyze_scalar_cycles): Fix indentation.
1034 (vect_enhance_data_refs_alignment): Fix check in case of peeling.
1035 (vect_mark_relevant): Include phis in relevance analysis.
1037 * tree-vect-transform.c (vect_transform_loop): Add an assert.
1039 2007-04-18 Anatoly Sokolov <aesok@post.ru>
1041 * config/avr/avr.c (ptrreg_to_str): Replace error() with
1042 output_operand_lossage().
1044 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
1046 * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
1047 the unused code for reduction without adjust-in-epilog to simplify the
1048 function.
1050 2007-04-18 Wolfgang Gellerich <gellerich@de.ibm.com>
1052 * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
1053 (S390_TDC_NEGATIVE_ZERO): New constant.
1054 (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
1055 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
1056 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
1057 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
1058 (S390_TDC_POSITIVE_INFINITY): New constant.
1059 (S390_TDC_NEGATIVE_INFINITY): New constant.
1060 (S390_TDC_POSITIVE_QUIET_NAN): New constant.
1061 (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
1062 (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
1063 (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
1064 (S390_TDC_INFINITY): New constant.
1065 * config/s390/s390.c (s390_canonicalize_comparison): Renamed
1066 UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
1067 optimization for UNSPEC_CCZ_TO_INT.
1068 * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
1069 ("*ccz_to_int"): New insn.
1070 ("isinf<mode>2"): New insn.
1071 (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
1072 (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
1073 (UNSPEC_CCZ_TO_INT): New constant.
1075 2007-04-18 Richard Guenther <rguenther@suse.de>
1077 PR tree-optimization/19431
1078 PR tree-optimization/21463
1079 * tree-pass.h (pass_phiprop): Declare.
1080 * passes.c (init_optimization_passes): New phiprop pass.
1081 * tree-ssa-forwprop.c (struct phiprop_d): New structure.
1082 (phivn_valid_p): New helper function.
1083 (phiprop_insert_phi): Likewise.
1084 (propagate_with_phi): Likewise.
1085 (tree_ssa_phiprop): New propagator propagating loads
1086 through phi nodes if profitable.
1088 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
1090 * tree-vect-analyze.c (process_use): New function.
1091 (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
1092 Check phis in all bbs.
1093 * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
1094 assert.
1096 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
1098 * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
1099 we use REG_EQUAL.
1101 2007-04-17 Anatoly Sokolov <aesok@post.ru>
1103 PR target/30483
1104 * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
1105 error().
1107 2007-04-17 H.J. Lu <hongjiu.lu@intel.com>
1109 * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
1110 on "0".
1111 (sse_vmmulv4sf3): Likewise.
1112 (sse2_vmaddv2df3): Likewise.
1113 (sse2_vmmulv2df3): Likewise.
1115 2007-04-17 Zdenek Dvorak <dvorakz@suse.cz>
1117 PR rtl-optimization/31360
1118 * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
1119 (target_reg_cost): New.
1120 (init_set_costs): Initialize target_reg_cost. Add comments
1121 regarding the rationale of the costs.
1122 (global_cost_for_size): Renamed to...
1123 (estimate_reg_pressure_cost): ... and simplify. Decrease importance
1124 of register pressure.
1125 * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
1126 estimate_reg_pressure_cost. Add number of ivs.
1127 (determine_set_costs): Dump target_reg_cost.
1128 * loop-invariant.c (gain_for_invariant): Use
1129 estimate_reg_pressure_cost. Removed n_inv_uses argument.
1130 (best_gain_for_invariant, find_invariants_to_move): Remove
1131 n_inv_uses.
1132 * cfgloop.h (target_small_cost, target_pres_cost): Removed.
1133 (target_reg_cost): Declare.
1134 (global_cost_for_size): Declaration removed.
1135 (estimate_reg_pressure_cost): Declare.
1137 2007-04-17 Peter Bergner <bergner@vnet.ibm.com>
1139 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
1140 regnos into even/odd register pairs.
1141 * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
1142 TDmode similar to the other floating point modes.
1143 [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
1144 * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
1145 define_expand's.
1146 (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
1147 nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
1148 (movdd_hardfloat64): Use TARGET_MFPGPR.
1150 2007-04-17 Bernd Schmidt <bernd.schmidt@analog.com>
1152 * reload1.c (delete_output_reload): Don't count output in n_inherited.
1154 Revert
1155 2005-01-05 Richard Henderson <rth@redhat.com>
1156 PR rtl-opt/10692
1157 * reload1.c (do_input_reload): Restrict the optimization deleteing
1158 a previous output reload to RELOAD_FOR_INPUT.
1160 2007-04-17 Dorit Nuzman <dorit@il.ibm.com>
1162 * tree-vectorizer.h (stmt_vec_info_type): Add enum value
1163 induc_vec_info_type.
1164 (vectorizable_induction): New function declaration.
1165 * tree-vect-transform.c (get_initial_def_for_induction): No need to
1166 check if already vectorized. Find first place in BB where new stmts
1167 can be inserted. Takes only one argument.
1168 (vectorizable_induction): New function.
1169 (vect_transform_stmt): Add case for induc_vec_info_type to call
1170 vectorizable_induction.
1171 (vect_transform_loop): Consider phis for vectorization.
1172 * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
1173 condition.
1174 (analyze_operations): Call vectorizable_induction when analyzing phis.
1175 Fix comment.
1176 (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
1177 (vect_mark_relevant): Include phis in relevance analysis.
1178 (vect_mark_stmts_to_be_vectorize): Likewise.
1179 * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
1181 2007-04-16 Lawrence Crowl <crowl@google.com>
1183 * doc/invoke.texi (Debugging Options): Add documentation for the
1184 -femit-struct-debug options -femit-struct-debug-baseonly,
1185 -femit-struct-debug-reduced, and
1186 -femit-struct-debug-detailed[=...].
1188 * c-opts.c (c_common_handle_option): Add
1189 OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
1190 and OPT_femit_struct_debug_detailed_.
1191 * c.opt: Add specifications for
1192 -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
1193 and -femit-struct-debug-detailed[=...].
1194 * opts.c (set_struct_debug_option): Parse the
1195 -femit-struct-debug-... options.
1196 * opts.c (matches_main_base, main_input_basename,
1197 main_input_baselength, base_of_path, matches_main_base): Add
1198 variables and functions to compare header base name to compilation
1199 unit base name.
1200 * opts.c (should_emit_struct_debug): Add to determine to emit a
1201 structure based on the option.
1202 (dump_struct_debug) Also disabled function to debug this
1203 function.
1204 * opts.c (handle_options): Save the base name of the
1205 compilation unit.
1207 * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
1208 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
1209 This hook indicates if a type is generic. Set it by default
1210 to "never generic".
1211 * langhooks.h (struct lang_hooks_for_types): Add a new hook
1212 to determine if a struct type is generic or not.
1213 * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
1214 * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
1215 * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
1216 with live C++ hook.
1218 * flags.h (enum debug_info_usage): Add an enumeration to describe
1219 a program's use of a structure type.
1220 * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
1221 to indicate the program's usage of the type. Filter structs based
1222 on the -femit-struct-debug-... specification.
1223 (gen_type_die): Split into two routines, gen_type_die and
1224 gen_type_die_with_usage. gen_type_die is now a wrapper
1225 that assumes direct usage.
1226 (gen_type_die_with_usage): Replace calls to gen_type_die
1227 with gen_type_die_with_usage adding the program usage of
1228 the referenced type.
1229 (dwarf2out_imported_module_or_decl): Suppress struct debug
1230 information using should_emit_struct_debug when appropriate.
1232 2007-04-16 Ian Lance Taylor <iant@google.com>
1234 PR tree-optimization/31522
1235 * tree-vrp.c (vr_phi_edge_counts): New static variable.
1236 (vrp_initialize): Allocate vr_phi_edge_counts.
1237 (vrp_visit_phi_node): Don't push to infinity if we saw a new
1238 executable edge. Drop test for all constants.
1239 (vrp_finalize): Free vrp_phi_edge_counts.
1241 * doc/cpp.texi (Common Predefined Macros): Clarify description of
1242 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
1244 * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
1245 predecessors at head rather than tail.
1247 2007-04-16 Matthias Klose <doko@debian.org>
1249 * config/alpha/linux.h (CPP_SPEC): Define.
1250 * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
1252 2007-04-16 Aldy Hernandez <aldyh@redhat.com>
1254 * function.h: Remove sequence_stack extern declaration.
1256 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
1258 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
1259 TARGET_FIDOA.
1260 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
1261 defined.
1263 2007-04-16 Anatoly Sokolov <aesok@post.ru>
1265 * config/avr/avr.c (avr_arch_types): Rearranging array.
1266 (enum avr_arch): Add.
1267 (avr_mcu_types): Use avr_arch enumeration constants instead of
1268 numbers.
1269 * config/avr/avr.h (LINK_SPEC): Simplify.
1271 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
1273 * config/m68k/m68k.c (m68k_libcall_value,
1274 m68k_function_value): Use macros for register names more.
1276 * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
1277 instead.
1278 (M68K_REGNAME): Use A6_REG.
1279 * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
1281 2007-04-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1283 PR middle-end/28071
1284 * sched-int.h (struct deps): Split field 'pending_lists_length' into
1285 'pending_read_list_length' and 'pending_write_list_length'. Update
1286 comment.
1287 * sched-deps.c (add_insn_mem_dependence): Change signature. Update
1288 to handle two length counters instead of one. Update all uses.
1289 (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
1290 two length counters instead of one.
1291 * sched-rgn.c (propagate_deps): Update to handle two length counters
1292 instead of one.
1294 2007-04-16 H.J. Lu <hongjiu.lu@intel.com>
1296 PR target/31582
1297 * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
1298 copy of source, pass it to ix86_expand_vector_set and return
1299 it as target.
1301 2007-04-16 David Ung <davidu@mips.com>
1302 Joseph Myers <joseph@codesourcery.com>
1304 * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
1305 PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
1306 * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
1307 Add 74K processor information.
1308 * config/mips/mips.md: Include 74k.md.
1309 (cpu): Add 74kc,74kf,74kx.
1310 (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
1311 * config/mips/74k.md: New.
1312 * doc/invoke.texi (MIPS Options): Document 74K support.
1314 2007-04-16 Dorit Nuzman <dorit@il.ibm.com>
1316 * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
1317 vectorizable_* functions.
1318 * tree-vect-transform.c (vectorizable_call): Add check for
1319 STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
1320 (vectorizable_store): likewise.
1321 (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
1322 Add comments.
1323 (vectorizable_operation, vectorizable_type_demotion): Likewise.
1324 (vectorizable_type_promotion, vectorizable_load): Likewise.
1325 (vectorizable_live_operation, vectorizable_condition): Likewise.
1326 (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
1327 STMT_VINFO_LIVE_P.
1328 (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
1330 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
1332 * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
1333 register numbers more.
1334 * config/m68k/m68k.h (STACK_POINTER_REGNUM,
1335 FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
1336 M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
1337 FUNCTION_VALUE_REGNO_P): Likewise.
1338 * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
1339 STATIC_CHAIN_REGNUM): Likewise.
1340 * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
1341 * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
1342 STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
1343 * config/m68k/m68k.md (FP_REG): New.
1345 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
1347 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
1348 alignment on fido.
1350 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
1352 * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
1353 tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
1354 comment typos.
1356 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
1358 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
1359 cold loops.
1361 2007-04-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
1363 PR c/31520
1364 * c-decl.c (finish_decl): Grab the type of the decl after the call
1365 to store_init_value.
1367 2007-04-14 Steven Bosscher <steven@gcc.gnu.org>
1369 * common.opt (fforward-propagate): Fix "Optimization" annotation.
1371 2007-04-14 Jakub Jelinek <jakub@redhat.com>
1373 PR c++/25874
1374 * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
1375 post dominators and cleanup cfg before returning.
1377 2007-04-14 Bernd Schmidt <bernd.schmidt@analog.com>
1379 * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
1380 * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
1382 2007-04-14 Kazu Hirata <kazu@codesourcery.com>
1384 * config.gcc: Recognize fido.
1385 * config/m68k/m68k-devices.def (fidoa): New.
1386 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
1387 __mfido__.
1388 (FL_FIDOA, TARGET_FIDOA): New.
1389 * config/m68k/m68k.opt (mfidoa): New.
1391 2007-04-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1393 PR middle-end/31322
1394 * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
1395 when a personality function is used.
1397 2007-04-13 Bob Wilson <bob.wilson@acm.org>
1399 * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
1401 2007-04-13 Mike Stump <mrs@apple.com>
1403 * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
1404 we can...
1405 * config/darwin.opt (fapple-kext): Make C++ only.
1406 * config/darwin.c (darwin_override_options): Remove code to ensure
1407 -fapple-kext is given for C++ only.
1409 2007-04-13 Richard Sandiford <richard@codesourcery.com>
1411 * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
1412 * config/mips/mips.c (override_options): Call
1413 SUBTARGET_OVERRIDE_OPTIONS, if defined.
1415 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
1417 * config/i386/i386.opt (msvr3-shlib): Removed.
1419 * doc/invoke.texi: Remove -msvr3-shlib.
1421 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
1423 * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
1424 with "popcnt" instruction.
1426 2007-04-13 Richard Guenther <rguenther@suse.de>
1428 PR tree-optimization/21258
1429 * tree-vrp.c (compare_case_labels): New helper.
1430 (find_switch_asserts): New function.
1431 (find_assert_locations): Call it for SWITCH_EXPRs.
1433 2007-04-13 Uros Bizjak <ubizjak@gmail.com>
1435 * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
1436 * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
1437 check is now implied in X87_FLOAT_MODE_P.
1438 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1439 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1440 (fix_trunc<mode>_i386_fisttp): Ditto.
1441 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1442 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1443 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1444 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1445 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1446 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1447 (unnamed_splitters): Ditto.
1448 * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
1449 for X87_FLOAT_MODE_P mode. Override FIRST_FLOAT_REG with
1450 FIRST_SSE_REG for local functions when SSE math is enabled or
1451 for functions with sseregparm attribute.
1452 (standard_80387_constant_p): Return -1 if mode is not
1453 X87_FLOAT_MODE_P.
1454 (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
1455 (ix86_expand_compare): Ditto.
1456 (ix86_expand_carry_flag_compare): Ditto.
1457 (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
1458 of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
1459 DECIMAL_FLOAT_MODE_P.
1460 (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
1461 of SCALAR_FLOAT_MODE_P.
1462 (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
1463 [MINUS]: ... here. Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
1464 checks before FLOAT_MODE_P.
1465 [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
1466 before FLOAT_MODE_P.
1467 [DIV]: Ditto.
1468 [NEG]: Ditto.
1469 [ABS]: Ditto.
1470 [SQRT]: Ditto.
1471 [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
1473 2007-04-12 Paolo Bonzini <bonzini@gnu.org>
1474 Charles Wilson <libtool@cwilson.fastmail.fm>
1476 * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
1477 (libgcc.mvars): Don't depend on them.
1478 * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
1479 * exec-tool.in: New.
1481 2007-04-12 Brooks Moses <brooks.moses@codesourcery.com>
1483 * doc/invoke.text (--help): Document --help=common.
1485 2007-04-12 Thomas Neumann <tneumann@users.sourceforge.net>
1487 * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
1489 2007-04-12 Richard Sandiford <richard@codesourcery.com>
1491 * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
1492 * genemit.c (main): Emit #include "integrate.h".
1493 * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
1494 (LOADGP_RTP): New mips_loadgp_style.
1495 * config/mips/mips.h: Include config/vxworks-dummy.h.
1496 (TARGET_RTP_PIC): New macro.
1497 (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
1498 (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
1499 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
1500 for TARGET_RTP_PIC.
1501 * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define. Pass down
1502 -mvxworks-pic when using -mrtp and a PIC option.
1503 * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
1504 for RTP PIC.
1505 (mips_symbolic_constant_p, mips_symbolic_address_p)
1506 (mips_symbol_insns): Handle SYMBOL_HALF.
1507 (override_options): Warn about -G and -mrtp being used together.
1508 Initialize mips_lo_relocs[SYMBOL_HALF].
1509 (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
1510 (mips_emit_loadgp): Handle LOADGP_RTP.
1511 (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
1512 * config/mips/mips.md (loadgp_rtp): New insn and splitter.
1513 (tablejump): Handle function-relative case table entries if
1514 TARGET_RTP_PIC.
1515 * config/mips/predicates.md (symbol_ref_operand): New predicate.
1517 2007-04-12 Richard Sandiford <richard@codesourcery.com>
1519 * config/mips/mips.md (load_call<mode>): Allow any general register.
1520 destination.
1521 (sibcall_value_internal, sibcall_value_multiple_internal)
1522 (call_value_internal, call_value_split, call_value_multiple_internal)
1523 (call_value_multiple_split): Remove constraints from operand 0.
1525 2007-04-12 Richard Sandiford <richard@codesourcery.com>
1527 * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
1528 rather than loadgp_noshared.
1529 * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
1530 instead of gen_loadgp_noshared. Use gen_loadgp_newabi instead of
1531 gen_loadgp.
1532 * config/mips/mips.md (loadgp): Rename to...
1533 (loadgp_newabi): ...this.
1534 (loadgp_noshared): Rename to...
1535 (loadgp_absolute): ...this.
1537 2007-04-12 Richard Sandiford <richard@codesourcery.com>
1539 * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
1540 false for locally-binding symbols.
1541 (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
1543 2007-04-12 Richard Sandiford <richard@codesourcery.com>
1545 * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
1546 (SYMBOL_GOT_PAGE_OFST): ...this.
1547 (SYMBOL_GOT_GLOBAL): Rename to...
1548 (SYMBOL_GOT_DISP): ...this.
1549 (SYMBOL_GOTOFF_GLOBAL): Rename to...
1550 (SYMBOL_GOTOFF_DISP): ...this. Update comments accordingly.
1551 * config/mips/mips.c (mips_global_symbol_p): New function.
1552 (mips_symbol_binds_local_p): Likewise.
1553 (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
1554 and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST. Use mips_global_symbol_p
1555 and mips_symbol_binds_local_p.
1556 (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
1557 (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
1558 SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
1559 SYMBOL_GOTOFF_DISP.
1560 (mips_ok_for_lazy_binding_p): New function.
1561 (mips_load_call_address, mips_expand_call): Use it.
1562 (mips_dangerous_for_la25_p): Likewise.
1563 * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
1564 (*got_disp<mode>): Use got_disp_operand instead of
1565 global_got_operand. Use SYMBOL_GOTOFF_DISP instead of
1566 SYMBOL_GOTOFF_GLOBAL.
1567 (*got_page<mode>): Use got_page_ofst_operand instead of
1568 local_got_operand.
1569 * config/mips/predicates.md (const_call_insn_operand): Use
1570 SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
1571 (global_got_operand): Rename to...
1572 (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
1573 SYMBOL_GOT_GLOBAL.
1574 (local_got_operand): Rename to...
1575 (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
1576 of SYMBOL_GOT_LOCAL.
1578 2007-04-12 Richard Sandiford <richard@codesourcery.com>
1580 * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
1581 TARGET_CALL_CLOBBERED_GP.
1582 (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1583 (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
1584 (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
1585 (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
1586 of TARGET_ABICALLS && !TARGET_NEWABI.
1587 (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1588 * config/mips/mips.c (mips_load_call_address): Check
1589 TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1590 (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1591 Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1592 (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
1593 TARGET_ABICALLS && TARGET_NEWABI.
1594 (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
1595 TARGET_ABICALLS.
1596 (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
1597 (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
1598 TARGET_ABICALLS && TARGET_NEWABI.
1599 (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
1600 TARGET_ABICALLS. Check TARGET_CALL_SAVED_GP instead of
1601 TARGET_NEWABI. Use TARGET_USE_PIC_FN_ADDR_REG to decide
1602 whether indirect calls must use $25.
1603 (mips_extra_live_on_entry): Check TARGET_GOT instead of
1604 TARGET_ABICALLS.
1605 * config/mips/mips.md (jal_macro): Check flag_pic and
1606 TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
1607 (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
1608 instead of TARGET_ABICALLS.
1609 (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
1610 TARGET_ABICALLS && TARGET_OLDABI.
1611 (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1612 (sibcall): In the comment above the define_insn, mention
1613 TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
1614 * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
1615 instead of TARGET_ABICALLS.
1617 2007-04-12 Bernd Schmidt <bernd.schmidt@analog.com>
1619 * doc/md.texi (Blackfin family constraints): Document PA and PB.
1620 * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
1621 (MACFLAGS_MATCH_P): New macro.
1622 * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
1623 (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
1624 * config/bfin/bfin.md (MACFLAG_IS_M): New constant. Renumber some of
1625 the other MACFLAG constants.
1626 (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
1627 (flag_machi): Tighten constraints. Renumber some of the operands.
1628 (flag_machi_acconly): Tighten constraints. Correct operand numbers in
1629 output template.
1630 (flag_machi_parts_acconly): New pattern.
1631 (flag_macinithi): Tighten constraints. Allow any accumulator to be
1632 used.
1633 (flag_macinit1hi): Tighten constraints.
1634 (flag_mul_macv2hi_parts_acconly): New pattern.
1636 * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
1637 Use a more efficient implementation.
1638 * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
1639 inline sequences when not optimizing for size.
1641 * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
1642 movhi_high2low): Delete, merge functionality into...
1643 (packv2hi): ... this pattern.
1645 2007-02-11 Jie Zhang <jie.zhang@analog.com>
1646 * config/bfin/bfin.opt (msim): New option.
1647 (mcpu=): New option.
1648 * config/bfin/bfin-protos.h (enum bfin_cpu): New.
1649 (bfin_cpu_t): Typedef of enum bfin_cpu.
1650 (bfin_cpu_type): New declaration.
1651 * config/bfin/elf.h (STARTFILE_SPEC): Add support for
1652 -msim and -mcpu= options.
1653 (LIB_SPEC): Likewise.
1654 * config/bfin/bfin.c (bfin_cpu_type): Define.
1655 (bfin_handle_option): Handle -mcpu= option.
1656 * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
1657 (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
1658 __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
1660 2007-04-12 Richard Sandiford <richard@codesourcery.com>
1662 * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
1663 (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
1664 (powerpc-wrs-vxworksae): Use ${tm_file}.
1665 (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
1666 after elfos.h. Remove i386/sysv4.h and add i386/vx-common.h.
1667 * config/i386/vx-common.h: New file.
1669 2007-04-12 Richard Sandiford <richard@codesourcery.com>
1671 * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
1672 of crt0.o%s.
1674 2007-04-12 Andreas Krebbel <krebbel1@de.ibm.com>
1676 * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
1677 ldxtr.
1679 2007-04-12 Douglas Gregor <doug.gregor@gmail.com>
1681 PR c++/31078
1682 PR c++/31103
1683 * c-common.c (c_build_qualified_type): Set canonical type
1684 appropriately.
1686 2007-04-12 Richard Guenther <rguenther@suse.de>
1688 * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
1689 lower bound and element size if lower bound is not zero
1690 or either of the ARRAY_REF operands is set.
1692 2007-04-12 Richard Guenther <rguenther@suse.de>
1694 PR tree-optimization/24689
1695 PR tree-optimization/31307
1696 * fold-const.c (operand_equal_p): Compare INTEGER_CST array
1697 indices by value.
1698 * gimplify.c (canonicalize_addr_expr): To be consistent with
1699 gimplify_compound_lval only set operands two and three of
1700 ARRAY_REFs if they are not gimple_min_invariant. This makes
1701 it never at this place.
1702 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
1704 2007-04-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1706 * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
1707 null before emitting a .nsubspa directive.
1709 2007-04-11 Diego Novillo <dnovillo@redhat.com>
1711 * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
1712 need_to_partition_p if there are no memory statements in the
1713 function.
1715 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
1717 * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
1718 (gcd_of_steps_may_divide_p): New function.
1719 (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
1721 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
1723 * reload.c (find_reloads_toplev, find_reloads_address,
1724 find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
1725 not a pointer equality test, to decide if we need to call
1726 push_reg_equiv_alt_mem.
1728 2007-04-11 Sebastian Pop <sebastian.pop@inria.fr>
1730 * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
1731 insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
1732 (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
1734 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
1736 * tree-data-ref.c (add_multivariate_self_dist): Force the distance
1737 vector to be positive.
1739 2007-04-11 Diego Novillo <dnovillo@redhat.com>
1741 PR 30735
1742 PR 31090
1743 * doc/invoke.texi: Document --params max-aliased-vops and
1744 avg-aliased-vops.
1745 * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
1746 debug_memory_partitions): Move to tree-flow.h
1747 * params.h (AVG_ALIASED_VOPS): Define.
1748 * tree-ssa-alias.c (struct mp_info_def): Remove. Update all
1749 users.
1750 (mp_info_t): Likewise.
1751 (get_mem_sym_stats_for): New.
1752 (set_memory_partition): Move from tree-flow-inline.h.
1753 (mark_non_addressable): Only clear the set of symbols for the
1754 partition if it exists.
1755 (dump_memory_partitions): Move from tree-ssa-operands.c
1756 (debug_memory_partitions): Likewise.
1757 (need_to_partition_p): New.
1758 (dump_mem_ref_stats): New.
1759 (debug_mem_ref_stats): New.
1760 (dump_mem_sym_stats): New.
1761 (debug_mem_sym_stats): New.
1762 (update_mem_sym_stats_from_stmt): New.
1763 (compare_mp_info_entries): New.
1764 (mp_info_cmp): Call it.
1765 (sort_mp_info): Change argument to a list of mem_sym_stats_t
1766 objects.
1767 (get_mpt_for): Move from tree-ssa-operands.c.
1768 (find_partition_for): New.
1769 (create_partition_for): Remove.
1770 (estimate_vop_reduction): New.
1771 (update_reference_counts): New.
1772 (build_mp_info): New.
1773 (compute_memory_partitions): Refactor.
1774 Document new heuristic.
1775 Call build_mp_info, update_reference_counts,
1776 find_partition_for and estimate_vop_reduction.
1777 (compute_may_aliases): Populate virtual operands before
1778 calling debugging dumps.
1779 (delete_mem_sym_stats): New.
1780 (delete_mem_ref_stats): New.
1781 (init_mem_ref_stats): New.
1782 (init_alias_info): Call it.
1783 (maybe_create_global_var): Remove alias_info argument.
1784 Get number of call sites and number of pure/const call sites
1785 from gimple_mem_ref_stats().
1786 (dump_alias_info): Call dump_memory_partitions first.
1787 (dump_points_to_info_for): Show how many times a pointer has
1788 been dereferenced.
1789 * opts.c (decode_options): For -O2 set --param
1790 max-aliased-vops to 500.
1791 For -O3 set --param max-aliased-vops to 1000 and --param
1792 avg-aliased-vops to 3.
1793 * fortran/options.c (gfc_init_options): Remove assignment to
1794 MAX_ALIASED_VOPS.
1795 * tree-flow-inline.h (gimple_mem_ref_stats): New.
1796 * tree-dfa.c (dump_variable): Dump memory reference
1797 statistics.
1798 Dump NO_ALIAS* settings.
1799 (referenced_var_lookup): Tidy.
1800 (mem_sym_stats): New.
1801 * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
1802 and ORIG are different SSA names for a memory partition.
1803 * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
1804 * tree-flow.h (struct mem_sym_stats_d): Define.
1805 (mem_sym_stats_t): Define.
1806 (struct mem_ref_stats_d): Define.
1807 (struct gimple_df): Add field mem_ref_stats.
1808 (enum noalias_state): Define.
1809 (struct var_ann_d): Add bitfield noalias_state.
1810 (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
1811 debug_mem_ref_stats, debug_memory_partitions,
1812 debug_mem_sym_stats): Declare.
1813 * tree-ssa-structalias.c (update_alias_info): Update call
1814 sites, pure/const call sites and asm sites in structure
1815 returned by gimple_mem_ref_stats.
1816 Remove local variable IS_POTENTIAL_DEREF.
1817 Increase NUM_DEREFS if the memory expression is a potential
1818 dereference.
1819 Call update_mem_sym_stats_from_stmt.
1820 If the memory references memory, call
1821 update_mem_sym_stats_from_stmt for all the direct memory
1822 symbol references found.
1823 (intra_create_variable_infos): Set noalias_state field for
1824 pointer arguments according to the value of
1825 flag_argument_noalias.
1826 * tree-ssa-structalias.h (struct alias_info): Remove fields
1827 num_calls_found and num_pure_const_calls_found.
1828 (update_mem_sym_stats_from_stmt): Declare.
1829 * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
1830 Set default value to 100.
1831 (PARAM_AVG_ALIASED_VOPS): Define.
1833 2007-04-11 Richard Guenther <rguenther@suse.de>
1835 PR middle-end/31530
1836 * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
1837 a * -b + c as c - a * b if we honor sign dependent rounding.
1839 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
1841 * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
1842 bfin_expand_strmov.
1843 * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
1844 bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
1845 variables.
1846 (initialize_trampoline): Don't use old-style function definition.
1847 (bfin_secondary_reload): Mark IN_P argument as unused.
1849 2007-04-10 Sebastian Pop <sebastian.pop@inria.fr>
1851 PR tree-optimization/31343
1852 * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
1853 (build_polynomial_chrec): Return a scalar when the evolution is zero.
1854 * testsuite/gcc.dg/vect/pr31343.c: New.
1856 2007-04-10 Eric Christopher <echristo@apple.com>
1858 * config/i386/i386.h (X87_FLOAT_MODE_P): New.
1859 * config/i386/i386.md (*cmpfp0): Use.
1860 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1861 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1862 (fix_trunc<mode>_i386_fisttp): Ditto.
1863 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1864 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1865 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1866 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1867 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1868 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1869 (unnamed_splitters): Ditto.
1870 * config/i386/i386.c (output_fix_trunc): Assert that
1871 we're not being passed a TFmode operand.
1873 2007-04-10 Zdenek Dvorak <dvorakz@suse.cz>
1875 PR tree-optimization/31526
1876 * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
1877 n_basic_blocks to find newly added blocks.
1879 2007-04-10 Uros Bizjak <ubizjak@gmail.com>
1881 * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
1882 alternative.
1883 (fix_trunc<mode>si_sse): Ditto.
1884 (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
1885 (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
1886 (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
1887 (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
1888 (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
1889 expander using SSEMODEF mode macro.
1890 (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
1891 expander using SSEMODEF mode macro.
1892 (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
1893 *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
1894 (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
1895 *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
1896 (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
1897 *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
1898 (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
1899 Macroize insn using X87MODEF mode macro.
1901 2007-04-09 H.J. Lu <hongjiu.lu@intel.com>
1903 * config/i386/sse.md (sse2_pinsrw): Removed.
1904 (sse2_pextrw): Renamed to ...
1905 (*sse2_pextrw): This.
1907 2007-04-09 Jan Hubicka <jh@suse.cz>
1909 PR target/27869
1910 * config/i386/sse.md
1911 (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
1912 (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
1913 (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
1914 (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
1916 2007-04-09 Jan Hubicka <jh@suse.cz>
1918 * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
1919 multiple fields of union.
1921 2007-04-09 Zdenek Dvorak <dvorakz@suse.cz>
1923 * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
1924 (create_preheaders): Check that loops are available.
1925 (fix_loop_structure): Clean up, improve comments.
1926 * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
1927 Check that loops are available. Set LOOP_CLOSED_SSA to the loops
1928 state flags.
1929 * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
1930 * predict.c (tree_estimate_probability): Do not call
1931 calculate_dominance_info. Call create_preheaders.
1932 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
1933 rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
1934 flags.
1935 * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
1936 * cfgloop.h (LOOP_CLOSED_SSA): New constant.
1937 * tree-cfg.c (tree_split_edge): Make an assert more precise.
1938 * tree-ssa-threadedge.c (thread_across_edge): Comment the function
1939 arguments.
1941 2007-04-08 Jan Hubicka <jh@suse.cz>
1943 * tree.h (maybe_fold_offset_to_component_ref): Declare.
1944 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
1945 * fold-const.c (fold_unary): Use it.
1947 2007-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
1949 * varasm.c (assemble_variable): Remove call to
1950 lang_hooks.decls.prepare_assemble_variable.
1951 * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
1952 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
1953 * langhooks.h (lang_hooks_for_decls): Remove
1954 prepare_assemble_variable.
1956 2007-04-08 Mike Stump <mrs@apple.com>
1958 * config/i386/i386.c: Use inc/dec on Core2.
1960 2007-04-08 Steven Bosscher <steven@gcc.gnu.org>
1962 * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
1963 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
1964 lhd_tree_inlining_end_inlining): Remove.
1965 * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
1966 add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
1967 end_inlining hooks.
1968 * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
1969 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
1970 lhd_tree_inlining_end_inlining): Remove prototypes.
1971 (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
1972 LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
1973 LANG_HOOKS_TREE_INLINING_START_INLINING,
1974 LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
1976 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
1977 not set it.
1979 2007-04-08 Anatoly Sokolov <aesok@post.ru>
1981 PR target/29932
1982 * config/avr/predicates.md (io_address_operand): Delete predicate.
1983 (low_io_address_operand): Don't use 'mode' argument.
1984 (higth_io_address_operand): Rename ...
1985 (high_io_address_operand): ... to this. Don't use 'mode' argument.
1986 * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
1987 for above change.
1989 2007-04-07 Daniel Berlin <dberlin@dberlin.org>
1991 Revert change removing staticp.
1993 2007-04-07 Anatoly Sokolov <aesok@post.ru>
1995 PR target/30289
1996 * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
1997 earlyclobber.
1999 2007-04-07 Bruce Korb <bkorb@gnu.org>
2001 * c.opt: Add -Wformat-contains-nul.
2002 * c-format.c (set_Wformat): Set warn_format_contains_nul to the
2003 -Wformat setting.
2004 (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
2005 the NUL byte warning.
2007 2007-04-07 H.J. Lu <hongjiu.lu@intel.com>
2009 * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
2011 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
2013 * tree.c (staticp): No longer use staticp langhook.
2014 * langhooks.c (lhd_staticp): Removed.
2015 * langhooks.h (struct lang_hooks): Remove staticp.
2016 * c-common.c (c_staticp): Remove.
2017 * c-common.h (c_staticp): Ditto.
2018 * langhooks-defs.h (lhd_staticp): Ditto.
2019 (LHD_HOOKS_STATICP): Ditto
2020 * tree.h (gcc_assert_lowered): New macro.
2022 2007-04-06 Zdenek Dvorak <dvorakz@suse.cz>
2024 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
2025 argument "reliable".
2026 (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
2027 Add argument "reliable". Propagate it through calls.
2028 (infer_loop_bounds_from_undefined): Derive number of iterations
2029 estimates from references in blocks that do not dominate loop latch.
2030 (gcov_type_to_double_int): New function.
2031 (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
2032 and expected_loop_iterations_unbounded.
2033 * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
2034 (expected_loop_iterations): Use expected_loop_iterations_unbounded.
2035 * tree-data-ref.c (estimated_loop_iterations): Export.
2036 (get_references_in_stmt): Fix -- do not return addresses of local
2037 objects.
2038 * cfgloop.h (expected_loop_iterations_unbounded,
2039 estimated_loop_iterations): Declare.
2041 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
2043 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
2045 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
2047 * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
2048 and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
2049 (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
2050 Use output_387_reg_move().
2051 (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
2052 expander using X87MODEF12 mode macro.
2053 (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
2054 choosing register preferences. Use output_387_reg_move().
2055 (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
2056 instead of "x". Use output_387_reg_move().
2057 (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
2058 *truncxfdf2_i387_noop. Macroize insn using X87MODEF12 mode macro.
2059 (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
2060 *truncxfdf2_i387. Macroize insn using X87MODEF12 mode macro.
2061 Use output_387_reg_move().
2062 (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
2063 mode macro.
2064 (*truncxf?f_i387 splitter): Ditto.
2066 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
2068 * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
2069 LANG_HOOKS_SAFE_FROM_P.
2070 * expr.c (safe_from_p): Remove langhook call.
2071 * langhooks.h (lang_hooks): Remove safe_from_p.
2072 (lhd_safe_from_p): Remove prototype.
2073 * langhooks.c (lhd_safe_from_p): Remove.
2075 2007-04-06 Jan Hubicka <jh@suse.cz>
2077 * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
2078 functions.
2080 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
2082 * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
2083 * config/i386/i386.md (*movsf_1, *movdf_nointeger,
2084 *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
2085 *movxf_integer): Use output_387_reg_move() for x87 reg->mem
2086 alternative.
2087 (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
2088 *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
2090 2007-04-05 Richard Henderson <rth@redhat.com>
2092 * config/alpha/alpha.c (print_operand) [+]: Remove.
2093 (alpha_end_function): Print nop if call at end of function.
2094 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
2095 * config/alpha/alpha.md (UNSPEC_LDGP1): New.
2096 (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
2097 (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
2098 (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
2099 the call pattern. Update peepholes to match.
2101 2007-04-05 Janis Johnson <janis187@us.ibm.com>
2103 * doc/extend.texi (Other Builtins): Add decimal float variants
2104 of signbit.
2105 * builtins.def: Ditto.
2106 * builtins.c (expand_builtin): Ditto.
2108 2007-04-05 Uros Bizjak <ubizjak@gmail.com>
2109 H.J. Lu <hongjiu.lu@intel.com>
2111 PR target/31478
2112 * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
2113 of V8HImode when calling ix86_binary_operator_ok.
2114 (sse2_pmaddwd): Call ix86_binary_operator_ok.
2115 (sdot_prodv8hi): Operands 1 and 2 must be register.
2117 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
2119 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
2120 initialize align to silence bogus warning.
2122 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
2124 PR middle-end/22156
2125 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
2126 all_no_warning.
2127 (struct sra_walk_fns): Remove use_all parameter from use.
2128 (sra_hash_tree): Handle BIT_FIELD_REFs.
2129 (sra_elt_hash): Don't hash bitfld blocks.
2130 (sra_elt_eq): Skip them in parent compares as well. Handle
2131 BIT_FIELD_REFs.
2132 (sra_walk_expr): Don't maintain or pass down use_all_p.
2133 (scan_use): Remove use_all parameter.
2134 (scalarize_use): Likewise. Re-expand assignment to
2135 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
2136 output, and re-scalarize after output. Don't mark anything
2137 for no warning.
2138 (scalarize_ldst): Adjust.
2139 (scalarize_walk_gimple_modify_statement): Likewise.
2140 (build_element_name_1): Handle BIT_FIELD_REFs.
2141 (instantiate_element): Don't warn for any element whose parent
2142 is used as a whole.
2143 (instantiate_missing_elements_1): Return the sra_elt.
2144 (canon_type_for_field): New.
2145 (try_instantiate_multiple_fields): New.
2146 (instantiate_missing_elemnts): Use them.
2147 (mark_no_warning): Removed.
2148 (generate_one_element_ref): Handle BIT_FIELD_REFs.
2149 (REPLDUP, sra_build_elt_assignment): New.
2150 (generate_copy_inout): Use them.
2151 (generate_element_copy): Likewise. Handle bitfld differences.
2152 (generate_element_zero): Don't recurse for blocks. Use
2153 sra_build_elt_assignment.
2154 (generate_one_element_int): Take elt instead of var. Use
2155 sra_build_elt_assignment.
2156 (generate_element_init_1): Adjust.
2157 (scalarize_use, scalarize_copy): Use REPLDUP.
2158 (scalarize_ldst): Move assert before dereference.
2159 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
2161 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
2163 * regmove.c: Fix unused variable warnings due to previous commit.
2165 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
2167 * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
2168 (regmove_bb_head): Remove.
2169 (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
2170 (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
2171 problems with fixup_match_1.
2172 Don't initialize/free regmove_bb_head.
2174 (reg_is_remote_constant_p): If an insn is in the same basic block
2175 but not before INSN, consider it remote, too.
2177 2007-04-05 Anatoly Sokolov <aesok@post.ru>
2179 PR target/25448
2180 * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
2181 DECL_ASSEMBLER_NAME, not the DECL_NAME.
2183 2007-04-05 H.J. Lu <hongjiu.lu@intel.com>
2185 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
2186 (CONDITIONAL_REGISTER_USAGE): Likewise.
2188 2007-04-04 Richard Henderson <rth@redhat.com>
2190 * config/alpha/lib1funcs.asm: Remove unused file.
2192 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
2194 PR other/31356
2195 * opts.c (print_specific_help): Fix --help=<language>
2196 header line.
2197 (common_handle_option): Support --help=common.
2199 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
2201 PR other/31353
2202 * gcc.c (main): Do not run the linker if
2203 print_subprocess_help indicates that it shouldn't be
2204 run.
2206 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
2208 PR doc/31355
2209 * doc/invoke.texi (--help=): Document <languages> value, fix
2210 formatting in tables of values.
2212 2007-04-04 Danny Smith <dannysmith.users.sourceforge.net>
2214 * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
2215 dllimport attribute of virtual methods.
2217 2007-04-04 Chen Liqin <liqin@sunnorth.com.cn>
2219 * config/score/crti.asm: Change _bss_start to __bss_start.
2220 * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
2221 (OUTGOING_REG_PARM_STACK_SPACE) update.
2222 * config/score/score.opt: add options to make backend support
2223 score5, score5u, score7 and score7d.
2224 * config/score/score.md: Likewise.
2225 * config/score/misc.md: Likewise.
2226 * config/score/mac.md: Likewise.
2227 * doc/invoke.texi: Likewise.
2228 * doc/md.texi: update constraints define.
2230 2007-04-03 Richard Henderson <rth@redhat.com>
2232 * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
2233 an appropriate type, use the mode instead.
2235 2007-04-03 Richard Sandiford <richard@codesourcery.com>
2237 * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
2238 Set the default --with-arch setting to mips2.
2239 * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
2240 (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
2241 (MULTILIB_OSDIRNAMES): Delete.
2242 (MULTILIB_DIRNAMES): Define.
2243 * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
2244 (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
2245 (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
2246 definitions, except for _WRS_R3K_EXC_SUPPORT. Call
2247 VXWORKS_OS_CPP_BUILTINS.
2248 (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
2249 (MIPS_DEBUGGING_INFO): Undefine.
2250 (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
2252 2007-04-03 Jakub Jelinek <jakub@redhat.com>
2254 PR middle-end/30704
2255 * fold-const.c (native_encode_real): Encode real.c provided longs
2256 as a series of 32-bit native integers.
2257 (native_interpret_real): Interpret buffer as a series of 32-bit
2258 native integers.
2260 2007-04-03 Richard Guenther <rguenther@suse.de>
2262 * genpreds.c (write_insn_constraint_len): Write function
2263 optimized for CONSTRAINT_LEN implementation.
2264 (write_tm_preds_h): Output insn_constraint_len inline and
2265 use it for CONSTRAINT_LEN.
2266 (write_insn_preds_c): Don't output insn_constraint_len.
2267 * doc/md.texi (define_register_constraint): Document multi-letter
2268 constraints shall have the same length if they start with the same
2269 letter.
2271 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
2273 PR target/31175
2274 * config/i386/i386.md (isinf<mode>2): Expand only when
2275 TARGET_C99_FUNCTIONS is set.
2277 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
2279 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
2280 (x86_64-*-linux*): Ditto.
2281 * config/i386/i386.opt (mpc): New option.
2282 * config/i386/i386.c (overrride_options): Handle
2283 ix87_precision_string.
2284 * config/i386/crtprec.c: New file.
2285 * config/i386/t-crtpc: Ditto.
2286 * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
2287 and -mpc80 options.
2288 * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
2289 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2290 crtprec32.o, crtprec64.o and crtprec80.o.
2292 * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
2293 and -mpc80 options.
2294 (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
2296 2007-04-02 Eric Christopher <echristo@apple.com>
2298 * doc/invoke.texi (i386 and x86-64 Options): Document -m64
2299 limitations on darwin.
2301 2007-04-02 Anatoly Sokolov <aesok@post.ru>
2303 PR target/31137
2304 * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
2306 2007-04-02 Dave Korn <dave.korn@artimi.com>
2308 * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
2310 2007-04-02 Dave Korn <dave.korn@artimi.com>
2312 * libgcc2.h (exception_descriptor): Don't forward-declare.
2313 (__get_eh_table_language, __get_eh_table_version): Delete
2314 prototypes of long-dead functions.
2316 2007-04-01 Daniel Berlin <dberlin@dberlin.org>
2318 * ebitmap.h: New file
2319 * ebitmap.c: New file
2320 * Makefile.in (ebitmap.o): New target.
2322 2007-04-01 Jan Hubicka <jh@suse.cz>
2324 * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
2325 before very first instruction.
2327 2007-04-01 Jan Hubicka <jh@suse.cz>
2329 * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
2330 waring on 64bit hosts.
2331 * bitmap.h: Fix typo in bitmap_head_def.
2333 2007-04-01 Steven Bosscher <steven@gcc.gnu.org>
2335 PR rtl-optimization/31391
2336 * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
2337 into a DELETED_LABEL note, and the label is in an empty basic
2338 block, update BB_END as well as BB_HEAD.
2340 2007-04-01 Richard Henderson <rth@redhat.com>
2342 PR tree-optimization/31169
2343 * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
2344 to varying if the range is outside [0, prec-1].
2346 2007-04-01 Richard Sandiford <richard@codesourcery.com>
2348 PR target/31388
2349 * config/mips/mips.md (load_const_gp): New insn.
2350 * config/mips/mips.c (mips_split_symbol): Avoid using or creating
2351 the MIPS16 GP pseudo register if no_new_pseudos.
2352 (mips16_gp_pseudo_reg): Use gen_load_const_gp.
2354 2007-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
2356 PR target/31364
2357 * config/rs6000/rs6000.md (call): Convert to LR hard reg for
2358 secureplt.
2359 (call_value): Likewise.
2361 2007-03-31 Wolfgang Bangerth <bangerth@dealii.org>
2362 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2364 PR 14737
2365 * doc/invoke.texi: (optimization options): Reword description
2366 of -ffast-math. Document its primary purpose.
2368 2007-03-31 Richard Guenther <rguenther@suse.de>
2370 * omp-low.c (splay-tree.h): Include.
2371 (lookup_decl): Replace splay-tree usage by pointer-map.
2372 (maybe_lookup_decl): Likewise.
2373 (new_omp_context): Likewise.
2374 (delete_omp_context): Likewise.
2375 * gimplify.c (splay-tree.h): Include.
2376 * tree-inline.c (insert_decl_map): Replace splay-tree usage by
2377 pointer-map.
2378 (remap_ssa_name): Likewise.
2379 (remap_decl): Likewise.
2380 (remap_type_1): Likewise.
2381 (remap_type): Likewise.
2382 (copy_body_r): Likewise.
2383 (expand_call_inline): Likewise.
2384 (clone_body): Likewise.
2385 (copy_tree_r): Likewise.
2386 (remap_save_expr): Likewise.
2387 (unsave_r): Likewise.
2388 (unsave_expr_now): Likewise.
2389 (tree_function_versioning): Likewise.
2390 (build_duplicate_type): Likewise.
2391 * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
2392 (struct copy_body_data): Replace splay-tree by pointer-map.
2393 * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
2394 not $(SPLAY_TREE_H).
2395 (gimplify.o): Depend on $(SPLAY_TREE_H).
2396 (omp-low.p): Likewise.
2398 2007-03-31 Anatoly Sokolov <aesok@post.ru>
2400 * config/avr/predicates.md (even_register_operand,
2401 odd_register_operand): New predicates.
2402 * config/avr/avr.md (movw peephole2): New.
2403 (movw_r peephole2): New.
2405 2007-03-30 Rafael Avila de Espindola <espindola@google.com>
2407 * tree.h (get_signed_or_unsigned_type): New.
2408 * fold-const.c (operand_equal_for_comparison_p): Use
2409 get_signed_or_unsigned_type instead of
2410 lang_hooks.types.signed_or_unsigned_type.
2411 * expr.c (store_expr): Ditto.
2412 * langhooks.c (get_signed_or_unsigned_type): New.
2413 (lhd_signed_or_unsigned_type): New.
2414 * langhooks.h (lhd_signed_or_unsigned_type): New.
2415 * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
2417 2007-03-30 Richard Henderson <rth@redhat.com>
2419 * tree-ssa-loop-ivopts.c: Include target.h.
2420 (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
2421 (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
2422 (force_expr_to_var_cost): Use produce_memory_decl_rtl.
2423 * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
2425 2007-03-30 Richard Henderson <rth@redhat.com>
2426 Kai Tietz <kai.tietz@onevision.com>
2428 * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
2429 default for 64-bit.
2430 (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
2431 (TARGET_64BIT_MS_ABI): New.
2432 (DBX_REGISTER_NUMBER): Handle 64-bit.
2433 (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
2434 (LONG_TYPE_SIZE): Force to 32.
2435 (REG_PARM_STACK_SPACE): New.
2436 (OUTGOING_REG_PARM_STACK_SPACE): New.
2437 (REGPARM_MAX, SSE_REGPARM_MAX): New.
2438 (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2439 (STACK_BOUNDARY): Use 128 for 64-bit.
2440 * config/i386/cygwin.asm: Use push/ret to preserve call stack.
2441 Add 64-bit implementation.
2442 * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
2443 argument unused.
2444 * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
2445 (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
2446 Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
2447 for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
2448 (ix86_handle_cconv_attribute): Don't warn when ignoring if
2449 TARGET_64BIT_MS_ABI.
2450 (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
2451 (ix86_pass_by_reference): Likewise.
2452 (ix86_function_value_regno_p): Likewise.
2453 (ix86_build_builtin_va_list): Likewise.
2454 (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2455 (function_arg_advance_ms_64): New.
2456 (function_arg_advance): Call it.
2457 (function_arg_ms_64): New.
2458 (function_arg): Call it.
2459 (function_value_ms_64): New.
2460 (ix86_function_value_1): Call it.
2461 (return_in_memory_ms_64): New.
2462 (ix86_return_in_memory): Call it.
2463 (setup_incoming_varargs_ms_64): New.
2464 (ix86_setup_incoming_varargs): Call it.
2465 (ix86_expand_prologue): Handle 64-bit stack probing.
2466 (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
2467 (output_pic_addr_const): Likewise.
2468 (x86_this_parameter): Likewise.
2469 (x86_output_mi_thunk): Likewise.
2470 (x86_function_profiler): Likewise.
2471 (TARGET_STRICT_ARGUMENT_NAMING): New.
2472 * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
2473 (TARGET_64BIT_MS_ABI): New.
2474 (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
2475 * config/i386/i386.md (allocate_stack_worker): Remove.
2476 (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
2477 describe the clobber of eax without a match_scratch.
2478 (allocate_stack_worker_postreload): Remove.
2479 (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
2480 describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
2481 (allocate_stack_worker_rex64_postreload): Remove.
2482 (allocate_stack): Handle 64-bit.
2483 * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
2484 * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
2485 (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
2486 (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
2487 (STANDARD_STARTFILE_PREFIX_1): Likewise.
2488 * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
2489 * config.build (x86_64-*-mingw*): New host.
2490 * config.host (x86_64-*-mingw*): New host.
2491 * config.gcc (x86_64-*-mingw*): New target.
2492 * gthr-win32.h (__gthread_key_create): Mark dtor unused.
2494 2007-03-30 Richard Henderson <rth@redhat.com>
2495 Kai Tietz <kai.tietz@onevision.com>
2497 * c-pragma.c (struct def_pragma_macro_value): New.
2498 (struct def_pragma_macro): New.
2499 (pushed_macro_table): New.
2500 (dpm_hash, dpm_eq): New.
2501 (handle_pragma_push_macro, handle_pragma_pop_macro): New.
2502 (init_pragma): Install them.
2503 * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2505 2007-03-30 Anatoly Sokolov <aesok@post.ru>
2507 * config/avr/avr.c (avr_override_options): Clear
2508 'flag_delete_null_pointer_checks'.
2510 2007-03-30 Paolo Carlini <pcarlini@suse.de>
2512 PR c++/26099
2513 * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
2514 RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
2515 RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
2516 RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
2517 RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
2518 RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
2519 RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
2520 C++ extensions.
2521 * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
2523 2007-03-30 Steven Bosscher <steven@gcc.gnu.org>
2525 * regmove.c: Move all of pass_stack_adjustments from here...
2526 * combine-stack-adj.c: ...to this new file.
2527 * Makefile.in: Add rules for combine-stack-adj.o.
2529 2007-03-30 Zdenek Dvorak <dvorakz@suse.cz>
2531 PR tree-optimization/31383
2532 * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
2533 to have the same length.
2535 2007-03-30 Jan Hubicka <jh@suse.cz>
2537 PR middle-end/30700
2538 * dwarf2out.c (reference_to_unused): Ask cgraph for functions
2539 availablility; add more sanity checking; ask varpool only about
2540 VAR_DECL.
2542 2007-03-29 Richard Henderson <rth@redhat.com>
2544 * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
2545 to decide, but __SIZEOF_LONG_LONG__.
2547 2007-03-29 Richard Henderson <rth@redhat.com>
2549 * emutls.c (struct __emutls_array): New.
2550 (emutls_destroy): Use it instead of casting element 0 from void*.
2551 (__emutls_get_address): Likewise.
2553 2007-03-29 Richard Henderson <rth@redhat.com>
2555 * varasm.c (initializer_constant_valid_p): Don't deny
2556 DECL_DLLIMPORT_P on functions.
2558 * config/i386/cygming.h: Remove function declarations.
2559 (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
2560 (ASM_OUTPUT_LABELREF): Remove.
2561 (COMMON_ASM_OP): Remove.
2562 (ASM_OUTPUT_COMMON): Remove.
2563 (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
2564 (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
2565 (ASM_DECLARE_FUNCTION_NAME): Likewise.
2566 * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
2567 Rename from TARGET_ENCODE_SECTION_INFO.
2568 * config/i386/netware.h: Likewise.
2569 * config/i386/i386-protos.h: Update.
2570 * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
2571 of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
2572 (legitimate_constant_p): Reject dllimports.
2573 (dllimport_map, get_dllimport_decl): New.
2574 (legitimize_dllimport_symbol): New.
2575 (legitimize_address, ix86_expand_move): Use it.
2576 (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
2577 * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
2578 (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
2579 (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
2580 * config/i386/predicates.md (constant_call_address_operand): Only
2581 accept symbols; reject dllimport_p symbols.
2582 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
2583 i386_pe_maybe_record_exported_symbol.
2584 * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
2585 (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
2586 (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
2587 trust the setting of DECL_DLLIMPORT_P.
2588 (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
2589 (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
2590 (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
2591 tidy the argument scanning loop.
2592 (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
2593 SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
2594 (i386_pe_strip_name_encoding): Remove.
2595 (i386_pe_binds_local_p): New.
2596 (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
2597 (i386_pe_output_labelref): Remove.
2598 (i386_pe_asm_output_aligned_decl_common): New.
2599 (i386_pe_maybe_record_exported_symbol): Rename from
2600 i386_pe_record_exported_symbol; check for dllexported symbols.
2602 2007-03-29 Zack Weinberg <zack@mrtock.ucsd.edu>
2604 * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
2605 add comment explaining why vsnprintf cannot be used.
2607 2007-03-29 Douglas Gregor <doug.gregor@gmail.com>
2609 PR tree-optimization/30666
2610 * tree.c (build_complex_type): When creating type names for DWARF2
2611 debug info, create TYPE_DECLs for TYPE_NAME instead of
2612 IDENTIFIER_NODEs.
2613 (build_common_tree_nodes_2): Use build_complex_type when building
2614 predefined complex types, to preserve canonical types.
2616 2007-03-29 Steven Bosscher <steven@gcc.gnu.org>
2618 * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
2619 (noce_get_alt_condition): Look at it to determine whether to
2620 reverse the condition or not.
2621 (noce_get_condition): Substitute the truth for lies.
2622 (noce_find_if_block): Set the then_else_reversed field.
2624 2007-03-29 Lars Poeschel <larsi@wh2.tu-dresden.de>
2626 * config/fr30/fr30.md (movdi): Do not accept immediates as the
2627 destination of this insn.
2628 * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
2629 than calling gen_rtx_SET directly. Use r0 to hold the value of
2630 'address + 4' rather than a stack based temporary which can be
2631 mis-optimized away.
2633 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2635 * config/s390/s390.c (s390_secondary_input_reload_class,
2636 s390_secondary_output_reload_class): Functions removed.
2637 (s390_secondary_reload): New function.
2638 (TARGET_SECONDARY_RELOAD): Target macro defined.
2639 * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
2640 SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
2641 * config/s390/s390.md ("reload_outti", "reload_outdi",
2642 "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
2643 "reload_out<mode>"): Expanders removed.
2644 ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
2645 "reload<mode>_nonoffmem_out"): Expanders added.
2647 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2649 * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
2650 SRC->DEST replacement failed anyway.
2652 2007-03-28 Mike Stump <mrs@apple.com>
2654 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
2655 * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
2656 * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
2658 2007-03-28 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
2660 * config.gcc: Accept barcelona as a variant of amdfam10.
2661 * config/i386/i386.c (override_options): Likewise.
2662 * doc/invoke.texi: Likewise.
2664 2007-03-28 Eric Botcazou <ebotcazou@adacore.com>
2666 * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
2667 offsets for BIT_FIELD_REF and COMPONENT_REF.
2669 2007-03-28 Richard Guenther <rguenther@suse.de>
2671 * tree.c (is_global_var): Move ...
2672 * tree-flow-inline.h (is_global_var): ... here.
2673 * tree.h (is_global_var): Remove declaration.
2675 2007-03-28 Uros Bizjak <ubizjak@gmail.com>
2677 * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
2678 option.
2679 (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
2680 * config/i386/i386.c (ix86_tune_features): Initialize new
2681 tuning option.
2682 * config/i386/predicates.md (promotable_binary_operator): Use
2683 TARGET_TUNE_PROMOTE_HIMODE_IMUL.
2685 2007-03-28 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
2687 PR target/31380
2688 * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
2690 2007-03-28 Lars Poeschel <larsi@wh2.tu-dresden.de>
2692 * config/fr30/fr30.md (movsi_internal): Change destination
2693 constraint from m to V and add m to the end.
2695 2007-03-28 Christian Bruel <christian.bruel@st.com>
2697 * config/sh/sh.md (movsi_i): Fix type attribute.
2699 2007-03-28 Christian Bruel <christian.bruel@st.com>
2701 * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
2702 (movsf_ie): Likewise.
2704 2007-03-28 Christian Bruel <christian.bruel@st.com>
2706 * config.gcc: Add sh4-300 to multilib.
2707 * config/sh/t-mlib-sh4-300: New file.
2709 2007-03-28 Andreas Krebbel <krebbel1@de.ibm.com>
2711 * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
2712 ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
2713 fix_trunc<mode>di2.
2714 ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
2715 fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
2716 ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
2717 "fixuns_trunctddi2"): Whitespace fix.
2719 2007-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2721 * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
2722 the definition of struct sh_args.
2723 (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
2724 CALL_COOKIE_INT_REG_GET): Likewise.
2726 2007-03-28 Steven Bosscher <steven@gcc.gnu.org>
2728 * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
2729 transformations are applied successfully.
2731 2007-03-27 Douglas Gregor <doug.gregor@gmail.com>
2733 * tree.c (tree_contains_struct): Permit 512 tree codes.
2734 * tree.h (tree_contains_struct): Ditto.
2735 (MAX_TREE_CODES): Ditto.
2736 (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
2737 SPARE member to store remaining padding bits.
2739 2007-03-27 Anatoly Sokolov <aesok@post.ru>
2741 * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
2742 architecture.
2744 2007-03-27 Janis Johnson <janis187@us.ibm.com>
2746 * configure.ac: Fix assembler test for powerpc*-linux decimal float.
2747 * configure: Regenerate.
2749 * configure: Regenerate using the correct version of autoconf.
2751 2007-03-27 Anatoly Sokolov <aesok@post.ru>
2753 * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
2754 pointer regs.
2755 * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
2756 regs to "__SP_L__" and "__SP_H__".
2758 2007-03-27 Richard Guenther <rguenther@suse.de>
2760 * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
2761 computations with it with a HOST_WIDE_INT variable.
2763 2007-03-26 Mike Stump <mrs@apple.com>
2765 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
2766 objective-c-header, objective-c++-header and objc++-cpp-output
2767 support.
2768 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
2770 2007-03-26 Richard Henderson <rth@redhat.com>
2772 PR target/31361
2773 * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
2774 IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
2775 IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
2776 IX86_BUILTIN_PSRLQ128): New.
2777 (ix86_init_mmx_sse_builtins): Add them.
2778 (ix86_expand_builtin): Expand them.
2779 * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
2780 operand 2 be TImode.
2781 * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
2782 _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
2783 _mm_srli_epi64): Mark __B const.
2784 (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
2785 (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
2786 _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
2787 new two-vector shift builtins.
2789 2007-03-26 Ian Lance Taylor <iant@google.com>
2791 PR tree-optimization/31345
2792 * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
2793 [+INF, +INF(OVF)] into VARYING.
2795 2007-03-26 Zack Weinberg <zackw@panix.com>
2797 * gengtype-parse.c: New file.
2798 * gengtype-yacc.y: Delete.
2799 * gengtype-lex.l: Don't include gengtype-yacc.h.
2800 Define YY_DECL and yyterminate appropriately for recursive
2801 descent parser. yylval is now a string out-parameter to yylex.
2802 (HWS, EOID): New shorthand.
2803 (IWORD): Add a couple more types.
2804 (yylex): Add a setup stanza. Remove the complex rules for
2805 detecting GTY'ed types and typedefs; replace with simple
2806 keyword detectors. Adjust everything for the changed
2807 definition of yylval. Ignore all pp-directives, not just #define.
2808 (yyerror): Delete.
2809 (parse_file): Rename yybegin; do not call yyparse.
2810 (yyend): New.
2811 * gengtype.c (xasprintf): Export again.
2812 (this_file): New. Use everywhere __FILE__ was being used.
2813 (get_lang_bitmap): Special case types defined in gengtype.c.
2814 (do_typedef, new_structure): Suppress definition of certain types.
2815 (new_structure): Improve diagnostics of duplicate definitions.
2816 Make sure location_s is associated with input.h.
2817 (nreverse_pairs, define_location_structures): New functions.
2818 (main): Improve tagging of kludge types. Remove old kludges
2819 for input.h types; use define_location_structures.
2820 * gengtype.h: Update prototypes. Define token codes here.
2821 * Makefile.in: Remove all references to gengtype-yacc.
2822 Add rules for gengtype-parse.o. Adjust rules for gengtype-lex.o
2823 and gengtype.
2824 * bitmap.h (struct bitmap_head_def): Coalesce definitions,
2825 add GTY((skip)) to the field that's only conditionally there.
2826 * doc/install.texi: Document that Bison is no longer required
2827 unless building treelang.
2829 * gengtype.c: Don't include gtyp-gen.h.
2830 (srcdir): Declare here.
2831 (base_files, lang_dir_names): Allocate dynamically.
2832 (gt_files, num_gt_files, num_lang_dirs): New globals.
2833 (measure_input_list, read_input_line, read_input_list)
2834 (set_lang_bitmap): New functions.
2835 (get_base_file_bitmap): Rename get_lang_bitmap and drastically
2836 simplify, relying on read_input_list to set up the bitmaps.
2837 (main): Arguments are no longer unused. Check for correct number
2838 of command line arguments, set srcdir and srcdir_len, then call
2839 read_input_list, before doing anything else. No need to worry
2840 about duplicates in main loop.
2841 * configure.ac: Simplify the calculation of all_gtfiles.
2842 Put language tags in there. Don't set or substitute
2843 all_gtfiles_files_langs or all_gtfiles_files_frags.
2844 * Makefile.in: Revamp the way gengtype is invoked, now that it
2845 takes a file on its command line with a much simpler format.
2846 Remove or replace with gtyp-input.list all references to gtyp-gen.h.
2847 (GTFILES): Remove duplicates and C source files.
2848 * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
2849 * objcp/config-lang.in: Add c-pragma.h to gtfiles.
2850 * configure: Regenerate.
2852 * gengtype.h: Remove all type definitions to gengtype.c; leave
2853 only definitions of options_p, type_p, and pair_p as opaque
2854 pointers. Update prototypes.
2855 * gengtype.c: Many type definitions moved here from gengtype.h.
2856 Consolidate type definitions at the top of the file.
2857 (xvasprintf): Delete.
2858 (xasprintf): Make static.
2859 (create_nested_pointer_option): Add 'next' parameter.
2860 (create_field_all, create_field_at): New functions.
2861 (create_field): Now a thin wrapper around create_field_all.
2862 (create_optional_field): Rename create_optional_field_ and add
2863 line argument. Original name is now a macro which supplies
2864 __LINE__.
2865 (oprintf): Use vsnprintf directly.
2866 (close_output_files): Use fatal rather than perror/exit.
2867 (note_def_vec, note_def_vec_alloc): Use create_field_at.
2868 (main): Set progname. Don't use exit.
2869 * gengtype-yacc.y (struct_fields): Use create_field_at.
2870 (option, optionseqopt): Delete.
2871 (optionseq): Consolidate productions from option here so we
2872 can use the first argument to create_option.
2874 * gengtype-lex.l: Distinguish unions from structures in the
2875 token type. Don't call find_structure; return the tag as a string.
2876 * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
2877 Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
2878 Reorganize typedef_struct production accordingly.
2879 Use create_nested_ptr_option.
2880 * gengtype.c (create_nested_ptr_option): New function.
2881 * gengtype.h: Declare it.
2883 * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
2884 (string_type): Don't declare.
2885 (do_scalar_typedef): Declare.
2886 (create_scalar_type): Update prototype.
2887 * gengtype.c (string_type): Make static.
2888 (scalar_nonchar, scalar_char): New.
2889 (do_scalar_typedef): Export. Always use scalar_nonchar for the type.
2890 (resolve_typedef): Use scalar_nonchar for error recovery.
2891 (create_scalar_type): Remove name_len field. Return scalar_char
2892 or scalar_nonchar as appropriate.
2893 (adjust_field_type): Look at scalar_is_char boolean to decide whether
2894 to use string_type.
2895 (throughout): Use scalar_nonchar instead of calling create_scalar_type,
2896 whenever possible.
2897 (main): Initialize scalar_char and scalar_nonchar before calling
2898 gen_rtx_next.
2899 * gengtype-lex.l: Adjust for removal of second argument to
2900 create_scalar_type. Use yylval.s instead of yylval.t when
2901 returning SCALAR.
2902 * gengtype-yacc.y: Type of SCALAR is string. Call
2903 create_scalar_type from type:SCALAR rule. Adjust for removal of
2904 second argument to create_scalar_type.
2906 * vec.h: Remove all #if IN_GENGTYPE blocks.
2907 Add comment saying that changes may require adjustments to gengtype.
2908 * gengtype.c: Don't include coretypes.h or tm.h.
2909 Add comment to inclusion of errors.h.
2910 (note_def_vec, note_def_vec_alloc): New functions.
2911 * gengtype.h: Declare new functions.
2912 * gengtype-lex.l: Don't include coretypes.h.
2913 (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
2914 Delete.
2915 (update_lineno): Remove unnecessary prototype.
2916 (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
2917 (VEC rule): Just return VEC_TOKEN.
2918 * gengtype-yacc.y (VEC_TOKEN): New token type.
2919 (type): Add a production for VEC(a,b).
2920 * Makefile.in: Update dependencies.
2922 * gengtype-lex.l: Remove rules for parsing pointer-to-function
2923 typedefs that use the old PARAMS macro.
2925 * gengtype-lex.l: Remove all rules and states relating to yacc
2926 input files.
2927 * gengtype-yacc.y: Similarly.
2928 * gengtype.c (note_yacc_type): Delete function.
2929 * gengtype.h: Update prototypes.
2931 2007-03-26 Joseph Myers <joseph@codesourcery.com>
2933 * tree-pretty-print.c (dump_generic_node): Report precision of
2934 unnamed integer types.
2936 2007-03-26 Steven Bosscher <steven@gcc.gnu.org>
2938 * ifcvt.c (noce_try_store_flag_constants): Don't check
2939 no_new_pseudos here.
2940 (noce_try_store_flag_constants): Don't check no_new_pseudos.
2941 (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
2942 noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
2943 noce_try_sign_mask): Likewise.
2944 (if_convert): Check no_new_pseudos here.
2946 (cond_exec_process_if_block, noce_process_if_block, find_if_block):
2947 Remove prototypes.
2948 (struct noce_if_info): Add then_bb, else_bb, join_bb members.
2949 (noce_get_condition): Handle new then_else_reversed argument.
2950 (noce_init_if_info): Remove, fold into noce_find_if_block.
2951 (noce_process_if_block): Take a struct noce_if_info as the
2952 argument. Don't set up one based on ce_if_info. Update pointer
2953 references accordingly.
2954 (cond_move_process_if_block): Likewise.
2955 (process_if_block): Removed.
2956 (find_if_block): Removed. Move functionality two new functions,
2957 noce_find_if_block and cond_exec_find_if_block.
2958 (noce_find_if_block): New function. Be aware of IF-THEN-JOIN
2959 blocks and the symmetric IF-ELSE-JOIN case.
2960 (cond_exec_find_if_block): Also new function mostly based on old
2961 find_if_block and process_if_block.
2962 (find_if_header): Replace find_if_block call with separately
2963 guarded calls to noce_find_if_block and cond_exec_find_if_block.
2964 (find_cond_trap): Update noce_get_condition call.
2965 (dead_or_predicable): Likewise.
2967 2007-03-26 Jakub Jelinek <jakub@redhat.com>
2969 * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
2970 Remove.
2971 (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
2972 IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
2973 IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
2974 (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
2975 v4si_ftype_v4si_v2di. Remove __builtin_ia32_psllw128,
2976 __builtin_ia32_pslld128, __builtin_ia32_psllq128,
2977 __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
2978 __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
2979 __builtin_ia32_psrad128 builtins.
2981 2007-03-26 Uros Bizjak <ubizjak@gmail.com>
2983 * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
2984 * config/i386/constraints.md
2985 (define_constraint "I"): Use IN_RANGE macro.
2986 (define_constraint "J"): Ditto.
2987 (define_constraint "K"): Ditto.
2988 (define_constraint "M"): Ditto.
2989 (define_constraint "N"): Ditto.
2990 (define_constraint "O"): Ditto.
2991 * config/i386/predicates.md
2992 (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
2993 (define_predicate "const_0_to_3_operand"): Ditto.
2994 (define_predicate "const_0_to_7_operand"): Ditto.
2995 (define_predicate "const_0_to_15_operand"): Ditto.
2996 (define_predicate "const_0_to_63_operand"): Ditto.
2997 (define_predicate "const_0_to_255_operand"): Ditto.
2998 (define_predicate "const_1_to_31_operand"): Ditto.
2999 (define_predicate "const_2_to_3_operand"): Ditto.
3000 (define_predicate "const_4_to_7_operand"): Ditto.
3002 2007-03-25 David Edelsohn <edelsohn@gnu.org>
3004 * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
3005 in SImode for save_world.
3006 * config/rs6000/altivec.md (save_world, restore_world): Convert to
3007 LR hard reg.
3009 2007-03-25 Dorit Nuzman <dorit@il.ibm.com>
3011 PR tree-optimization/30784
3012 * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
3013 BIT_FIELD_REF.
3015 2007-03-25 Revital Eres <eres@il.ibm.com>
3017 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
3018 Fold movement_possibility function into it.
3020 2007-03-25 David Edelsohn <edelsohn@gnu.org>
3022 * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
3023 (load_macho_picbase_{si,di}): Convert to LR hard reg.
3024 (call_indirect_nonlocal_darwin64): Same.
3025 (call_nonlocal_darwin64): Same.
3026 (call_value_indirect_nonlocal_darwin64): Same.
3027 (call_value_nonlocal_darwin64): Same.
3028 (sibcall_nonlocal_darwin64): Same.
3029 (sibcall_value_nonlocal_darwin64): Same.
3030 (sibcall_symbolic_64): Same.
3031 (sibcall_value_symbolic_64): Same.
3032 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
3033 LR pseudo.
3034 (rs6000_emit_load_toc_table): Same.
3035 * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
3036 * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
3037 (mull_call): Same.
3038 (divss_call): Same.
3039 (divus_call): Same.
3040 (quoss_call): Same.
3041 (quous_call): Same.
3042 (load_toc_v4_pic_si): Same
3043 (load_toc_v4_PIC_1): Same.
3044 (load_toc_v4_PIC_1b): Same.
3045 (call_indirect_aix{32,64}): Same.
3046 (call_value_indirect_aix{32,64}): Same.
3047 (call): Same.
3048 (call_value): Same.
3049 (call_local{32,64}): Same.
3050 (call_value_local{32,64}): Same.
3051 (call_indirect_nonlocal_aix{32,64}): Same.
3052 (call_nonlocal_aix{32,64}): Same.
3053 (call_value_indirect_nonlocal_aix{32,64}): Same.
3054 (call_value_nonlocal_aix{32,64}): Same.
3055 (call_indirect_nonlocal_sysv<mode>): Same.
3056 (call_nonlocal_sysv<mode>): Same.
3057 (call_value_indirect_nonlocal_sysv<mode>): Same.
3058 (call_value_nonlocal_sysv<mode>): Same.
3059 (sibcall): Same.
3060 (sibcall_local{32,64}): Same.
3061 (sibcall_value_local{32,64}): Same.
3062 (sibcall_nonlocal_aix{32,64}): Same.
3063 (sibcall_value_nonlocal_aix{32,64}): Same.
3064 (sibcall_nonlocal_sysv<mode>): Same.
3065 (sibcall_value): Same.
3066 (sibcall_value_nonlocal_sysv<mode>): Same.
3068 2007-03-24 Paul Brook <paul@codesourcery.com>
3070 * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
3071 * config/arm/linux-eabi.h: Remove legacy syscall hack.
3073 2007-03-24 Richard Henderson <rth@redhat.com>
3075 * config/ia64/constraints.md: New file.
3076 * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
3077 satisfies_constraint_?.
3078 * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
3079 ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
3080 ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
3081 ia64_output_mi_thunk): Likewise.
3082 (ia64_const_ok_for_letter_p): Remove.
3083 (ia64_const_double_ok_for_letter_p): Remove.
3084 (ia64_extra_constraint): Remove.
3085 * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
3086 (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
3087 CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
3088 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
3089 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
3090 EXTRA_MEMORY_CONSTRAINT): Remove.
3091 * config/ia64/ia64.md: Include constriants.md. Replace
3092 CONST_OK_FOR_? with satisfies_constraint_?.
3094 2007-03-23 Michael Meissner <michael.meissner@amd.com>
3095 H.J. Lu <hongjiu.lu@intel.com>
3097 * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
3098 DPD or BID name.
3099 (name macros): Use DPD_BID_NAME to convert names properly.
3101 * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
3102 decimal floating point format.
3103 (init_floating_libfuncs): Change decimal functions so that they
3104 have a "bid_" prefix if the decimal system uses the BID format,
3105 and "dpd_" prefix if the decimal system uses the DPD format.
3106 (init_interclass_conv_libfuncs): Ditto.
3107 (init_intraclass_conv_libfuncs): Ditto.
3109 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3110 using the BID format.
3112 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3113 whether we are using the BID decimal format.
3114 * configure: Regenerate.
3116 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3117 the compiler has decimal floating point enabled. Define
3118 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3119 instead of DPD.
3121 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3122 using the BID format.
3124 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3125 whether we are using the BID decimal format.
3126 * configure: Regenerate.
3128 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3129 the compiler has decimal floating point enabled. Define
3130 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3131 instead of DPD.
3133 * doc/install.texi (--enable-decimal-float): Document BID and DPD
3134 options, and that it is enabled for i386/x86_64 systems.
3136 * Makefile.in (enable_decimal_float): New.
3137 (DECNUMFMT): New.
3138 (DECNUMINC): Add -I$(DECNUMFMT).
3139 (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
3140 to $(DECNUMFMT) from $(DECNUM).
3142 * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
3143 Substitute enable_decimal_float.
3144 * configure: Regenerated.
3146 PR other/30529
3147 * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
3148 unsigned long.
3150 * configure.ac: Enable decimal float for x86_64-*-linux*.
3151 * configure: Regenerated.
3153 PR other/30530
3154 * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
3155 decimal128ClearSign to flip and clear the sign bit in decimal128.
3156 (decimal_real_maxval): Set decimal128SetSign to set the sign
3157 bit in decimal128.
3159 2007-03-23 Ian Lance Taylor <iant@google.com>
3161 * fold-const.c (fold_binary): Correct warning for X - c >= X.
3163 2007-03-23 Ian Lance Taylor <iant@google.com>
3165 * tree-dump.c (dump_files): Correct comment.
3167 2007-03-23 Ian Lance Taylor <iant@google.com>
3169 * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
3171 2007-03-23 Steven Bosscher <steven@gcc.gnu.org>
3173 * tracer.c (tracer): Don't take FLAGS argument. Assert we are
3174 in cfglayout mode. Don't go into and out of cfglayout mode.
3175 Link the blocks in the order of the constructed traces.
3176 (rest_of_handle_tracer): Adjust call to tracer.
3177 * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
3178 Don't go into cfglayout mode.
3179 (rtl_loop_done): Don't go out of cfglayout mode.
3180 * cfglayout.c (relink_block_chain): New function, split out from...
3181 (fixup_reorder_chain): ...here. Remove redundant checking.
3182 (cfg_layout_finalize): Don't clear the header, footer, and aux
3183 fields here, move the code to do so to relink_block_chain. Likewise
3184 for free_original_copy_tables.
3185 * rtl.h (tracer): Update prototype.
3186 * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
3187 Assert we are in cfglayout mode. Don't go into and out of cfglayout
3188 mode. Use relink_block_chain to serialize the CFG according to the
3189 new basic block order. Move targetm.cannot_modify_jumps_p check from
3190 here...
3191 (gate_handle_reorder_blocks): ...to here.
3192 (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
3193 from here...
3194 (gate_duplicate_computed_gotos): ...to here.
3195 (rest_of_handle_reorder_blocks): Don't see if anything has changed,
3196 something always changes when going into and out of cfglayout mode.
3197 Perform an expensive cfg cleanup while going into cfglayout mode.
3198 Always update liveness information on HAVE_conditional_execution
3199 targets. Reserialize the basic blocks and go out of cfglayout mode.
3200 * reg-stack.c: Include cfglayout.h.
3201 (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
3202 the call to reorder_basic_blocks.
3203 * basic-block.h (reorder_basic_blocks): Update prototype.
3204 (relink_block_chain): New prototype.
3205 * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
3207 2007-03-23 Joseph Myers <joseph@codesourcery.com>
3209 * config/mips/mips.md (type, hazard, *movdi_32bit,
3210 *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
3211 *movhi_internal, *movqi_internal, *movsf_hardfloat,
3212 *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
3213 movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
3214 mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
3215 applicable.
3216 (movcc): Change first xfer to multi.
3217 * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
3218 config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
3219 config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
3220 config/mips/generic.md: Change reservations using "xfer" to use
3221 "mfc,mtc".
3222 * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
3223 using match_operand.
3224 (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
3225 * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
3226 examining mode.
3227 (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
3229 2007-03-22 Richard Henderson <rth@redhat.com>
3231 * config/i386/i386.c: Remove unnecessary function declarations.
3232 Move targetm definition, and all related macros, to the end of
3233 the file. Resort some functions to put definitions before uses.
3234 (ix86_attribute_table): Make static. Move to end of file.
3235 (ix86_gimplify_va_arg): Make static.
3237 2007-03-22 Richard Henderson <rth@redhat.com>
3239 * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
3240 don't increase local_regparm with force_align_arg_pointer check.
3241 (ix86_function_sseregparm): Assert 32-bit.
3242 (type_has_variadic_args_p): New.
3243 (ix86_return_pops_args): Early exit for 64-bit. Reindent; use
3244 type_has_variadic_args_p.
3245 (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
3246 (init_cumulative_args): Remove TARGET_DEBUG_ARG. Remove zero_cum;
3247 use memset instead. Do maybe_vaarg check first; skip attribute
3248 tests if true; skip attribute tests for 64-bit.
3249 (construct_container): Remove TARGET_DEBUG_ARG.
3250 (function_arg_advance_32, function_arg_advance_64): Split out ...
3251 (function_arg_advance): ... from here.
3252 (function_arg_32, function_arg_64): Split out ...
3253 (function_arg): ... from here.
3254 (ix86_pass_by_reference): Tidy.
3255 (ix86_function_value_regno_p): Rearrange w/ switch on regno.
3256 (function_value_32): New, from parts of ix86_function_value
3257 and ix86_value_regno.
3258 (function_value_64): New, from parts of ix86_function_value
3259 and ix86_libcall_value.
3260 (ix86_function_value_1): New.
3261 (ix86_function_value, ix86_libcall_value): Use it.
3262 (return_in_memory_32, return_in_memory_64): Split out ...
3263 (ix86_return_in_memory): ... from here.
3264 (ix86_struct_value_rtx): Skip for 64-bit.
3265 (ix86_libcall_value, ix86_value_regno): Remove.
3266 (setup_incoming_varargs_64): Split out ...
3267 (ix86_setup_incoming_varargs): ... from here.
3268 (ix86_va_start): Remove TARGET_DEBUG_ARG.
3269 (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
3270 * config/i386/i386-protos.h (ix86_function_value): Remove.
3271 * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
3273 2007-03-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3275 PR other/23572
3276 * c-lex.c (interpret_float): On overflow, emit pedantic warning if
3277 infinities not supported, otherwise emit warning if -Woverflow. On
3278 underflow, emit warning if -Woverflow.
3279 * real.c (real_from_string): Return -1 if underflow, +1 if overflow
3280 and 0 otherwise.
3281 * real.h (real_from_string): Update declaration
3283 2007-03-22 Kai Tietz <kai.tietz@onevision.com>
3284 Richard Henderson <rth@redhat.com>
3286 * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
3287 * calls.c (compute_argument_block_size, expand_call,
3288 emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
3289 * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
3290 * function.c (STACK_DYNAMIC_OFFSET): Likewise.
3291 * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
3292 * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
3293 config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
3294 config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
3295 config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
3296 Set to 1.
3298 2007-03-22 Joseph Myers <joseph@codesourcery.com>
3300 * c-incpath.c (add_sysroot_to_chain): New.
3301 (merge_include_chains): Add sysroot argument. Call
3302 add_sysroot_to_chain if sysrooted.
3303 (register_include_chains): Update call to merge_include_chains.
3304 * doc/cppopts.texi: Document use of '=' in include directory
3305 arguments.
3307 2007-03-22 Uros Bizjak <ubizjak@gmail.com>
3309 * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
3310 Macroize expander using SSEMODEF mode macro. Use SSE_FLOAT_MODE_P.
3311 (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
3312 insn pattern using X87MODEF12 mode macro.
3314 2007-03-21 Seongbae Park <seongbae.park@gmail.com>
3316 * regmove.c (regmove_optimize): Use reg_mentioned_p
3317 instead of reg_overlap_mentioned_p for DST.
3319 2007-03-21 Mike Stump <mrs@apple.com>
3321 * c.opt: Fixup for Objective-C/C++.
3323 2007-03-21 Steve Ellcey <sje@cup.hp.com>
3325 * explow.c (convert_memory_address): Fold memory reference when
3326 POINTERS_EXTEND_UNSIGNED < 0
3328 2007-03-21 Richard Henderson <rth@redhat.com>
3330 PR target/31245
3331 * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
3332 * config/i386/mmintrin.h (__m64): Likewise.
3333 * config/i386/xmmintrin.h (__m128): Likewise.
3335 2007-03-21 Richard Sandiford <richard@codesourcery.com>
3337 * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
3338 (VXWORKS_OS_CPP_BUILTINS): Define.
3339 * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
3340 (TARGET_OS_CPP_BUILTINS): ...here. Use VXWORKS_OS_CPP_BUILTINS.
3342 2007-03-21 Richard Sandiford <richard@codesourcery.com>
3344 * rtl.h (constant_pool_reference_p): Delete.
3345 (find_constant_src): Declare.
3346 * rtlanal.c (find_constant_src): New function.
3347 * simplify-rtx.c (constant_pool_reference_p): Delete.
3348 * config/i386/i386.md: Use find_constant_src instead of
3349 constant_pool_reference_p/avoid_constant_pool_reference pairs.
3351 2007-03-21 Richard Sandiford <richard@codesourcery.com>
3353 * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
3354 * c-cppbuiltin.c (c_cpp_builtins): Define them.
3356 2007-03-20 Mark Mitchell <mark@codesourcery.com>
3358 * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
3359 * config/arm/arm.c (arm_elf_asm_cdtor): New function.
3360 (arm_elf_asm_constructor): Use it.
3361 (arm_elf_asm_destructor): New function.
3363 2007-03-20 Bernd Schmidt <bernd.schmidt@analog.com>
3365 * jump.c (mark_jump_label): Treat SEQUENCE specially.
3367 2007-03-20 Nathan Sidwell <nathan@codesourcery.com>
3369 * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
3371 2007-03-19 Andrew Haley <aph@redhat.com>
3373 PR tree-optimization/31264
3374 * tree-vrp.c (register_edge_assert_for_1): Don't look though
3375 VIEW_CONVERT_EXPRs.
3377 2007-03-19 Paolo Bonzini <bonzini@gnu.org>
3379 PR rtl-optimization/30907
3380 * fwprop.c (forward_propagate_into): Never propagate inside a loop.
3381 (fwprop_init): Always call loop_optimizer_initialize.
3382 (fwprop_done): Always call loop_optimizer_finalize.
3383 (fwprop): We always have loop info now.
3384 (gate_fwprop_addr): Remove.
3385 (pass_fwprop_addr): Use gate_fwprop as gate.
3387 PR rtl-optimization/30841
3388 * df-problems.c (df_ru_local_compute, df_rd_local_compute,
3389 df_chain_alloc): Call df_reorganize_refs unconditionally.
3390 * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
3391 refs_organized to refs_organized_size.
3392 (df_ref_create_structure): Use refs_organized_size instead of
3393 bitmap_size if refs had been organized, and keep refs_organized_size
3394 up-to-date.
3395 * df.h (struct df_ref_info): Change refs_organized to
3396 refs_organized_size.
3397 (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
3398 bitmap_size.
3400 2007-03-19 Mark Mitchell <mark@codesourcery.com>
3402 * except.c (output_function_exception_table): Do not reference the
3403 EH personality routine for functions that do not require an
3404 exception table.
3406 2007-03-20 Jakub Jelinek <jakub@redhat.com>
3408 PR c/30762
3409 * c-typeck.c (convert_for_assignment): Call comptypes for
3410 RECORD_TYPE or UNION_TYPE.
3412 PR inline-asm/30505
3413 * reload1.c (reload): Do invalid ASM checking after
3414 cleanup_subreg_operands.
3416 2007-03-19 Jeff Law <law@redhat.com>
3418 * tree-cfg.c (find_taken_edge): Tighten conditions for
3419 optimizing computed gotos.
3421 2007-03-19 Michael Matz <matz@suse.de>
3423 * builtins.c (expand_builtin_sync_operation,
3424 expand_builtin_compare_and_swap,
3425 expand_builtin_lock_test_and_set): Care for extending CONST_INTs
3426 correctly.
3428 * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
3429 sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
3430 for operand 3.
3432 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
3434 * doc/tm.texi: Add brackets around the return type of
3435 TARGET_SECONDARY_RELOAD.
3437 2007-03-19 Andrew Pinski <andrew_pinski@playstation.sony.com>
3438 Richard Guenther <rguenther@suse.de>
3440 PR tree-optimization/31254
3441 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3442 Use handled_component_p () where appropriate. Continue
3443 propagating into the rhs if we propagated into an INDIRECT_REF
3444 on the lhs.
3446 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
3448 * config/s390/s390.md (op_type attribute): RRR instruction type added.
3449 (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
3450 (xde, xdee): Mode attributes adjusted to support DFP modes.
3451 (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
3452 ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
3453 DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
3454 "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
3455 "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
3456 "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3457 "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
3458 numbers.
3459 ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
3460 "movsf"): Insn definitions removed.
3461 ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
3462 "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
3463 "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
3464 definitions added.
3465 ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
3466 "reload_in<mode>", "reload_out<mode>"): Expander added.
3467 ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
3468 Expander removed.
3470 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
3472 * config/s390/s390.md: Only non-functional changes. Renamed
3473 FPR mode macro to BFP all over the file.
3475 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
3477 * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
3478 (op_type attribute): RRF instruction type added.
3479 (fT0): New mode attribute.
3480 ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3481 "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
3482 * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
3483 no secondary memory is needed when moving DFmode values between GPRs
3484 and FPRs.
3486 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
3488 * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
3489 inverted and documentation adjusted.
3490 ("mhard-dfp", "msoft-dfp"): New options.
3491 * config/s390/s390.c (s390_handle_arch_option): New architecture
3492 switch: z9-ec.
3493 (override_options): Sanity checks for the new options added.
3494 * config.gcc: New architecture switch: z9-ec.
3495 * config/s390/s390.h (processor_flags): PF_DFP added.
3496 (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
3497 (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
3498 when the bit is NOT set so remove it from the defaults.
3500 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
3502 * genemit.c (main): Print include statement for dfp.h.
3503 * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
3504 is not available.
3506 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
3508 * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
3510 2007-03-19 Kaz Kojima <kkojima@gcc.gnu.org>
3512 PR target/31022
3513 * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
3514 instead of PATTERN.
3516 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3518 * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
3519 attr_length_call, output_call, output_indirect_call): Cleanup
3520 formatting of targetm calls.
3522 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
3524 * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
3526 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3528 * pa.md: Add fpstore_load and store_fpload instruction types. Provide
3529 reservation, bypass and anti-bypass descriptions for these instructions.
3530 Update move patterns.
3531 * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
3532 TYPE_FPSTORE.
3534 2007-03-18 Dorit Nuzman <dorit@il.ibm.com>
3536 * tree-vect-transform.c (get_initial_def_for_induction): Replace
3537 GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
3538 (get_initial_def_for_reduction): Likewise.
3540 2007-03-16 Daniel Berlin <dberlin@dberlin.org>
3542 Fix PR tree-optimization/29922
3543 * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
3544 (get_representative): Removed.
3545 (value_dies_in_block_x): Update for rvuse removal.
3546 (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
3547 (compute_antic_aux): Handle when PHI nodes appear in
3548 non-single-successors.
3549 (dump_bitmap_of_names): Removed.
3550 (compute_antic_safe): Renamed and removed rvuse calculation.
3551 Calculate only antic safe.
3552 (insert_into_preds_of_block): Remove assert.
3553 (execute_pre): Update for renamed functions.
3554 (defer_or_phi_translate_block): New function.
3556 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
3558 * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
3559 config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
3560 typos.
3561 * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
3562 Follow spelling conventions.
3564 * tree-data-ref.h: Remove the prototype for analyze_array.
3566 2007-03-17 Dorit Nuzman <dorit@il.ibm.com>
3568 PR tree-optimization/31041
3569 * tree-vect-transform.c (get_initial_def_for_induction): Call
3570 force_gimple_operand.
3572 2007-03-17 Olga Golovanevsky <olga@il.ibm.com>
3574 * ipa-type-escape.c (look_for_casts) : Revert code to use
3575 handled_component_p due to ada test a-numaux.adb.
3577 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
3579 * final.c (final_scan_insn): Alter the condition of a
3580 conditional trap if we have nonstandard CC.
3582 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
3584 * configure.ac: Remove excess quoting from asm line 0 test.
3585 * configure: Rebuilt.
3587 2007-03-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3589 * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
3590 * c-common.c (convert_and_check): Move warning logic to...
3591 (warnings_for_convert_and_check): ...here. Define.
3592 * c-common.h (warnings_for_convert_and_check): Declare.
3594 2007-03-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3596 * pa.c (attr_length_call): Partially revert change of 2007-03-09.
3597 (output_call): Likewise.
3599 2007-03-16 Richard Sandiford <richard@codesourcery.com>
3601 * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
3603 2007-03-16 Richard Sandiford <richard@codesourcery.com>
3605 * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
3607 2007-03-16 Uros Bizjak <ubizjak@gmail.com>
3609 * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
3610 opteron, athlon-64 and athlon-fx processor_alias_table entries.
3612 2007-03-16 Sebastian Pop <sebastian.pop@inria.fr>
3614 PR tree-optimization/31183
3615 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
3616 Use double_int instead of unsigned int for representing access_strides.
3617 * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
3619 2007-03-16 Richard Guenther <rguenther@suse.de>
3621 PR tree-optimization/31146
3622 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
3623 to allow recursion of forward_propagate_addr_expr.
3624 (forward_propagate_addr_into_variable_array_index): Likewise.
3625 (forward_propagate_addr_expr): Likewise.
3626 (tree_ssa_forward_propagate_single_use_vars): Likewise.
3627 (forward_propagate_addr_expr_1): Recurse on simple copies
3628 instead of propagating into them. Do so for useless conversions
3629 as well.
3630 (forward_propagate_addr_expr): Clean up unused statements after
3631 recursion.
3633 2007-03-16 Richard Guenther <rguenther@suse.de>
3635 * builtins.c (expand_builtin_cexpi): Use the right argument
3636 for the expansion via cexp.
3638 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
3640 * configure.ac: Don't require ELF binutils to tolerate # 0 "".
3641 * configure: Rebuilt.
3643 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
3645 PR debug/29906
3646 * dwarf2out.c (force_type_die): Adjust comment.
3647 (dwarf2out_imported_module_or_decl): Handle base AT_import types.
3649 2007-03-15 DJ Delorie <dj@redhat.com>
3651 * config/frv/predicates.md (minmax_operator): Don't check operands
3652 here.
3654 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3656 * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
3657 Update constant estimates of number of iterations.
3658 (record_nonwrapping_iv): Add "upper" argument. "data_size_bounds_p"
3659 argument renamed to "realistic".
3660 (compute_estimated_nb_iterations): Removed.
3661 (record_niter_bound): New function.
3662 (idx_infer_loop_bounds): For possible but unlikely tail arrays,
3663 call record_nonwrapping_iv with upper = false.
3664 (infer_loop_bounds_from_signedness): Pass upper argument to
3665 record_nonwrapping_iv.
3666 (estimate_numbers_of_iterations_loop): Do not call
3667 compute_estimated_nb_iterations. Record estimate based on profile
3668 information. Initialize the constant estimates of number of
3669 iterations.
3670 * tree-data-ref.c (estimated_loop_iterations): Return the recorded
3671 estimates.
3672 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
3673 number of iterations is too small.
3674 * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
3675 (EST_NOT_AVAILABLE): Removed.
3676 (struct loop): Replace estimated_nb_iterations by any_upper_bound,
3677 nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
3678 fields.
3680 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3682 * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
3683 Handle NE_EXPR guards.
3685 2007-03-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3687 PR c++/24924
3688 * c-opts.c (c_common_post_options): Handle C++ post-processing here.
3689 Set also -pedantic-errors by default for the preprocessor unless
3690 -fpermissive is given.
3692 2007-03-15 Richard Guenther <rguenther@suse.de>
3694 PR middle-end/29719
3695 PR middle-end/31161
3696 * builtins.c (expand_builtin_cexpi): As a fallback if we
3697 don't have builtins for sincos or cexp create a function
3698 declaration for cexp and expand to a call to that.
3699 (expand_builtin_int_roundingfn): Always fall
3700 back to floor/ceil and its variants even if they may be
3701 not available.
3703 2007-03-15 Steven Bosscher <steven@gcc.gnu.org>
3705 PR middle-end/31159
3706 * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
3707 jump tables, move the call to delete_dead_jumptables from here...
3708 (cfg_layout_finalize): ...to here. But rebuild jump labels first.
3709 * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
3710 don't allow merging of blocks that try_redirect_by_replacing_jump
3711 also does not handle when not optimizing.
3713 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
3714 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3716 * config/i386/i386.md (x86_sahf_1): Correctly handle
3717 HAVE_AS_IX86_SAHF.
3719 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
3721 PR target/31167
3722 * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
3723 x86_64_general_operand as operand[2] predicate. Remove "iF"
3724 from operand constraints and use "e" constraint instead.
3725 (*subti3_1, *subti3_1 splitter): Ditto.
3726 (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
3727 operand[1] predicate.
3729 2007-03-14 Sebastian Pop <sebastian.pop@inria.fr>
3731 * tree-loop-linear.c (gather_interchange_stats): For multidimensional
3732 arrays, multiply the access strides by the size of the sub-array.
3733 * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
3735 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
3737 * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
3738 the configured assembler supports the sahf mnemonic.
3739 * configure: Regenerate.
3740 * config.in: Regenerate.
3742 * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
3743 emit "sahf" or ".byte\t0x9e" as asm template.
3745 2007-03-14 Michael Meissner <michael.meissner@amd.com>
3747 PR 31018
3748 * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
3749 option to replace hard coded TARGET_xxx in md file.
3750 (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
3751 (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
3752 (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
3753 (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
3754 (X86_TUNE_NOT_UNPAIRABLE): Ditto.
3755 (X86_TUNE_NOT_VECTORMODE): Ditto.
3756 (TUNE_SHORTEN_X87_SSE): Use new tuning option.
3757 (TUNE_AVOID_VECTOR_DECODE): Ditto.
3758 (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
3759 (TUNE_SLOW_IMUL_IMM8): Ditto.
3760 (TUNE_MOVE_M1_VIA_OR): Ditto.
3761 (TUNE_NOT_UNPAIRABLE): Ditto.
3762 (TUNE_NOT_VECTORMODE): Ditto.
3764 * config/i386/i386.c (ix86_tune_features): Fill in new tuning
3765 options.
3767 * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
3768 tuning options instead of hard coded TARGET_xxx.
3769 (fix ssemode peephole2's): Ditto.
3770 (imul peephole2's): Ditto.
3771 (movsi_or): Ditto.
3772 (movdi_or_rex64): Ditto.
3773 (move peephole2): Ditto.
3774 (not peephole2's): Ditto.
3776 2007-03-14 Dirk Mueller <dmueller@suse.de>
3778 * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
3779 * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
3780 * c-parser.c (c_parser_if_body): Always add an empty statement in case
3781 of empty body.
3782 * c-parser.c (c_parser_do_statement): Warn about empty body in
3783 do/while statement.
3784 * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
3785 * doc/invoke.texi (-Wempty-body): Update documentation.
3787 2007-03-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3789 PR c/21438
3790 * c-common.h (warn_for_div_by_zero): Declare.
3791 * c-common.c (warn_for_div_by_zero): Define.
3792 * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
3793 warning.
3795 2007-03-14 Richard Sandiford <richard@codesourcery.com>
3797 * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
3798 to PREFIX and STANDARD_PREFIX.
3800 2007-03-14 Richard Sandiford <richard@codesourcery.com>
3801 Phil Edwards <phil@codesourcery.com>
3803 * gthr-vxworks.h: Add an extern "C" wrapper for C++.
3804 (__gthread_once_t): Remove busy field for RTPs.
3805 (__GTHREAD_ONCE_INIT): Update accordingly.
3807 2007-03-14 Richard Sandiford <richard@codesourcery.com>
3809 * doc/invoke.texi: Document VxWorks options.
3811 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
3813 * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
3815 2007-03-13 Seongbae Park <seongbae.park@gmail.com>
3817 PR tree-optimization/30590
3818 * tree-nrv.c (tree_nrv): Check for the partial update of the
3819 return value.
3821 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
3823 * flags.h (flag_random_seed): Remove declaration, in favor of...
3824 * toplev.h (get_random_seed, set_random_seed): ... these.
3825 * tree.c (get_file_function_name): Use the former.
3826 * opts.c (common_handle_option): Use the latter.
3827 * toplev.c
3829 2007-03-13 Steven Bosscher <steven@gcc.gnu.org>
3831 PR middle-end/31127
3832 * cse.c (cse_find_path): Do not bail out if a basic block that
3833 we already visited now becomes part of a path that starts at a
3834 different basic block. Just disallow this, to make sure we
3835 visit each basic block at most once.
3837 2007-03-13 Jan Hubicka <jh@suse.cz>
3839 * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
3840 when profile esitmate is present, calls with very low frequency are
3841 cold.
3843 2007-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3845 PR tree-optimization/30730
3846 PR tree-optimization/26900
3847 * tree-ssa-loop-niter.c: Include gmp.h.
3848 (bounds): New type.
3849 (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
3850 split_to_var_and_offset, determine_value_range,
3851 bound_difference_of_offsetted_base, refine_bounds_using_guard,
3852 bound_difference, bounds_add, bounds_negate,
3853 number_of_iterations_ne_max, dump_affine_iv): New functions.
3854 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3855 assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
3856 difference of initial and final value of control iv to validate
3857 results.
3858 (number_of_iterations_cond): Add loop parameter. Determine bounds
3859 on the difference of the extremes of the control iv. Add dumps.
3860 (expand_simple_operations): Handle phi nodes.
3861 (simplify_using_initial_conditions): Do not record used conditions.
3862 (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
3863 Do not set additional_info.
3864 (implies_nonnegative_p, implies_ge_p): Removed.
3865 (derive_constant_upper_bound): Do not use parameter `additional'.
3866 (record_estimate): Parameter `additional' removed. Parameter
3867 `i_bound' added. Do not call derive_constant_upper_bound.
3868 (record_nonwrapping_iv): Use derive_constant_upper_bound to
3869 bound the number of iterations estimate.
3870 (estimate_numbers_of_iterations_loop): Pass the estimate from
3871 the number of iterations analysis to record_estimate.
3872 * tree.h (multiple_of_p): Declare.
3873 * tree-scalar-evolution.c (expression_expensive_p): Removed.
3874 (scev_const_prop): Do not check expression_expensive_p.
3875 * fold-const.c (multiple_of_p): Exported.
3876 * double-int.c (double_int_mask): Exported.
3877 * double-int.h (double_int_mask): Declare.
3878 * tree-flow.h (struct tree_niter_desc): Removed additional_info
3879 field. Added max field.
3881 2007-03-13 David Taylor <taylor@candd.org>
3883 PR driver/12448:
3884 * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
3885 default -MQ.
3887 2007-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3889 PR target/31123
3890 * pa.md (vdepi_ior): Don't allow zero length deposit. Likewise for
3891 two unamed patterns.
3893 2007-03-13 Uros Bizjak <ubizjak@gmail.com>
3895 * config/i386/i386.opt (mcx16, msahf): New options.
3896 * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
3897 (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
3899 * config/i386/driver-i386.c (bit_LAHF_LM): New define.
3900 (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
3901 Output -mcx16 and -msahf options when corresponding bit is set.
3903 * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
3904 and -msahf options.
3906 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
3908 * configure.ac: Test for assembler tolerance to # 0 "".
3909 * configure, config.in: Rebuilt.
3910 * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
3912 2007-03-13 Geoffrey Keating <geoffk@apple.com>
3914 * doc/invoke.texi (Spec Files): Update for '%{,' spec.
3916 * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
3917 (handle_syscall): Handle direct system calls.
3918 * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
3920 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
3922 * doc/invoke.texi: Fix cpp.info cross-reference.
3923 * doc/passes.texi: Fix gcc.info cross-reference.
3925 2007-03-12 Zdenek Dvorak <dvorakz@suse.cz>
3927 PR tree-optimization/30835
3928 * lambda-code.c (can_convert_to_perfect_nest): Check whether
3929 bb_for_stmt is not NULL before accessing it.
3931 2007-03-12 Joseph Myers <joseph@codesourcery.com>
3933 * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
3934 some multilibs.
3936 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
3938 PR 30635
3939 * doc/install.texi: Document --enable-stage1-languages
3941 2007-03-12 Steven Bosscher <steven@gcc.gnu.org>
3943 * tree-pass.h (pass_into_cfg_layout_mode,
3944 pass_outof_cfg_layout_mode): Declare.
3945 * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
3946 pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
3947 * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
3948 (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
3950 2007-03-12 Seongbae Park <seongbae.park@gmail.com>
3952 * c-decl.c (warn_variable_length_array): New function.
3953 Refactored from grokdeclarator to handle warn_vla
3954 and handle unnamed array case.
3955 (grokdeclarator): Refactored VLA warning case.
3956 * c.opt (Wvla): New flag.
3957 * doc/invoke.texi (Wvla): New warning.
3959 2007-03-12 Richard Henderson <rth@redhat.com>
3961 * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
3962 (TARGET_SECTION_TYPE_FLAGS): New.
3964 2007-03-12 Richard Henderson <rth@redhat.com>
3966 * config/darwin.c (machopic_reloc_rw_mask): New.
3967 * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
3968 * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
3970 2007-03-12 Mark Mitchell <mark@codesourcery.com>
3972 * cppdefault.c (cpp_EXEC_PREFIX): New variable.
3973 * cppdefault.h (cpp_PREFIX): Document.
3974 (cpp_PREFIX_len): Likewise.
3975 (cpp_EXEC_PREFIX): New variable.
3976 * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
3977 * c-incpath.c (add_standard_paths): Correct logic for relocating
3978 paths within prefix.
3980 2007-03-12 Uros Bizjak <ubizjak@gmail.com>
3982 * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
3983 fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
3984 mode macro.
3985 (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
3986 fix_truncdfdi_sse using SSEMODEF mode macro.
3987 (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
3988 fix_truncdfsi_sse using SSEMODEF mode macro.
3989 (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
3990 (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
3992 2007-03-12 Richard Sandiford <richard@codesourcery.com>
3994 * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
3995 elfos.h to tm_file.
3997 2007-03-12 Olga Golovanevsky <olga@il.ibm.com>
3999 * tree.h : Add multiple_of_p declaration.
4000 * fold-const.c (multiple_of_p): Make multiple_of_p public.
4001 * ipa-type-escape.c (results_of_malloc): Redundant.
4002 (visited_stmts): New. Visited stmt for walk_use_def_chains.
4003 (cast_type): Extended with new members.
4004 (check_cast): Returns cast_type.
4005 (cast): New structure for data of walk_use_def_chains.
4006 (is_malloc_result, is_cast_from_non_pointer_1,
4007 is_cast_from_non_pointer,
4008 is_array_access_through_pointer_and_index): New functions.
4009 (look_for_casts): Returns cast types.
4010 (check_call): Returns void.
4011 (okay_pointer_operation): Use support of pointer plus index,
4012 pointer plus constant and allow all multiplications.
4014 2007-03-11 Richard Guenther <rguenther@suse.de>
4016 PR tree-optimization/31115
4017 * tree-vrp.c (extract_range_from_binary_expr): Make sure
4018 the shift count is positive and non-anti-range for RSHIFT_EXPR.
4019 A shift count of zero is not special as with *_DIV_EXPR.
4020 (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
4021 direction.
4023 2007-03-11 Ian Lance Taylor <iant@google.com>
4025 * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
4026 the *_DIV_EXPR codes correctly with overflow infinities.
4028 2007-03-11 Ira Rosen <irar@il.ibm.com>
4030 * tree-data-ref.c (analyze_offset): Add a return value (bool) to
4031 indicate success/failure of the analysis. Add negation to subtrahend
4032 in case of subtraction. Fail if both operands contain constants.
4033 (create_data_ref): Fail if analyze_offset fails.
4035 2007-03-11 Uros Bizjak <ubizjak@gmail.com>
4037 * config/i386/i386.md (frndintxf2): Rename to ...
4038 (rintxf2): ... this. Remove expander having same name.
4039 (rintsf2, rintdf2): Implement using SSEMODEF macro.
4040 (roundsf2, rounddf2): Ditto.
4041 (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
4042 (lround<mode>di2, lround<mode>si2): Ditto.
4044 2007-03-11 Steven Bosscher <steven@gcc.gnu.org>
4046 * lower-subreg.c: Include except.h.
4047 (decompose_multiword_subregs): Verify that the only control flow
4048 insns we can split are loads to multi-words pseudos.
4049 Handle breaking such blocks after splitting, instead of calling
4050 find_many_sub_basic_blocks.
4052 * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
4053 on the new basic block. Add a lengthy comment explaining why we
4054 thought this was necessary.
4055 * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
4057 2007-03-10 Mark Mitchell <mark@codesourcery.com>
4059 PR c++/30924
4060 * tree.c (walk_type_fields): Recurse into the element type of
4061 ARRAY_TYPEs if there is a pointer set.
4063 2007-03-10 Dirk Mueller <dmueller@suse.de>
4065 * c-common.c (warn_logical_operator): Fix condition.
4067 2007-03-10 Tobias Schlüter <tobi@gcc.gnu.org>
4069 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
4070 quotation mark.
4071 * config/darwin.c (machopic_select_section): Remove superfluous
4072 argument in call to categorize_decl_for_section. Remove unused
4073 variable shlib.
4075 2007-03-10 Joseph Myers <joseph@codesourcery.com>
4077 * configure.ac (glibc_header_dir): Set using with_build_sysroot if
4078 defined.
4079 * configure: Regenerate.
4081 2007-03-10 Uros Bizjak <ubizjak@gmail.com>
4083 PR target/31101
4084 * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
4085 (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
4086 (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
4087 Add LABEL_NUSES to emitted label.
4088 * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
4089 branch probability value to emitted jump insn.
4090 * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
4091 Do not check life information and do not re-arrange input operands
4092 for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
4094 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
4096 * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
4097 the change of decode_asm_operands.
4099 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
4101 * mode-switching.c (create_pre_exit): Skip blockage insn.
4103 2007-03-09 Diego Novillo <dnovillo@redhat.com>
4105 * tree-pass.h (TODO_update_smt_usage): Remove.
4106 Update all users.
4107 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
4108 argument SOME.
4109 Update all users.
4111 2007-03-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4113 * pa.c (attr_length_call): Revise condition for long pc-relative branch.
4114 (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
4115 calls on the SOM target. Don't use "LONG_PIC_PCREL" call sequence on
4116 SOM target.
4118 2007-03-09 Geoffrey Keating <geoffk@apple.com>
4120 * gcc.c: Document %{, in big comment at top.
4121 (input_suffix_matches): Remove special handling for .s and
4122 .S.
4123 (input_spec_matches): New.
4124 (handle_braces): Handle %{,.
4125 (validate_switches): ',' indicates a value which is not a switch.
4126 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
4127 to detect assembler input.
4128 * config/i386/sol2.h (CPP_SPEC): Likewise.
4129 * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
4130 * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
4131 * config/rs6000/lynx.h (ASM_SPEC): Likewise.
4132 * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
4133 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
4134 -m64 causes deployment target to default to 10.5.
4135 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
4137 2007-03-09 Richard Henderson <rth@redhat.com>
4139 PR target/26090
4140 * target.h (targetm.asm.out.reloc_rw_mask): New.
4141 * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
4142 (TARGET_ASM_OUT): Use it.
4143 * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
4144 * varasm.c (categorize_decl_for_section): Remove shlib argument;
4145 use the new reloc_rw_mask target hook instead.
4146 (default_section_type_flags_1): Merge into...
4147 (default_section_type_flags): ... here.
4148 (decl_readonly_section_1): Merge into...
4149 (decl_readonly_section): ... here.
4150 (default_elf_select_section_1): Merge into...
4151 (default_elf_select_section): ... here.
4152 (default_unique_section_1): Merge into...
4153 (default_unique_section): ... here.
4154 (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
4155 (default_select_rtx_section): Use it.
4156 (default_elf_select_rtx_section): Likewise.
4157 * output.h: Update to match.
4158 * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
4159 * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
4160 (TARGET_ASM_RELOC_RW_MASK): New.
4161 * config/i386/i386.c (x86_64_elf_select_section): Adjust call
4162 to categorize_decl_for_section.
4163 (x86_64_elf_unique_section): Likewise.
4164 * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
4165 TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
4166 (TARGET_ASM_RELOC_RW_MASK): New.
4167 * config/ia64/ia64.c (ia64_rwreloc_select_section,
4168 ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
4169 (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
4170 (TARGET_RWRELOC): Remove.
4171 (ia64_section_type_flags): Adjust call to default_section_type_flags.
4172 * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4173 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
4174 (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
4175 (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
4176 (rs6000_xcoff_select_section): Use decl_readonly_section.
4177 (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
4178 * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4179 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
4180 (TARGET_SECTION_TYPE_FLAGS): Remove.
4181 * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
4183 2007-03-09 Roger Sayle <roger@eyesopen.com>
4185 * fold-const.c (fold_comparison): Remove compile-time evaluation of
4186 complex constant equality/inequality comparisons for here.
4187 (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
4188 known at compile-time or can be simplified to a scalar comparison.
4189 (fold_relational_const): Move compile-time evaluation of complex
4190 constant equality/inequality comparisons to here.
4192 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
4194 PR rtl-optimization/30643
4195 * cse.c (cse_insn): Recompute dest_hash after insert_regs for
4196 dest_addr_elt.
4197 (fold_rtx): Recurse, like before 2006-11-03.
4199 2007-03-09 DJ Delorie <dj@redhat.com>
4201 * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
4202 m32c-pragma.o.
4204 2007-03-09 Aldy Hernandez <aldyh@redhat.com>
4206 PR tree-optimization/30375
4207 * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
4208 LHS of statements is not the same.
4209 * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
4211 2007-03-09 Chao-ying Fu <fu@mips.com>
4213 * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
4214 REV 2.
4215 * doc/invoke.texi (-mdspr2): Document new option.
4216 * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
4217 New unspec for DSP REV 2.
4218 (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
4219 these instructions are extended in DSP REV 2.
4220 (mips-dspr2.md): Include.
4221 * config/mips/mips.opt (mdspr2): New option.
4222 * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
4223 MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
4224 MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
4225 (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
4226 (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
4227 (dsp_bdesc): Add DSP REV 2 builtins. Remove 32-bit only DSP builtins.
4228 (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
4229 and 2 builtins.
4230 (bdesc_map): Add one field of unsupported_target_flags.
4231 (bdesc_arrays): Update entries to have extra fields. Add
4232 dsp_32only_bdesc.
4233 (mips_init_builtins): Initialize new function types.
4234 Check unsupported_target_fileds to filter out builtins.
4235 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
4236 TARGET_DSPR2.
4237 (ASM_SPEC): Pass mdspr2 to the assembler.
4238 * config/mips/mips-dspr2.md: New file.
4240 2007-03-09 Sa Liu <saliu@de.ibm.com>
4242 * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
4244 2007-03-09 Ian Lance Taylor <iant@google.com>
4246 * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
4247 argument) like -Wstrict-overflow=2.
4248 * doc/invoke.texi (Warning Options): Update documentation.
4250 2007-03-09 Dirk Mueller <dmueller@suse.de>
4252 PR c++/17946
4253 * doc/invoke.texi (-Wlogical-op): Document.
4254 * common.opt (-Wlogical-op): New.
4255 * c-common.h (warn_logical_operator): Declare.
4256 * c-common.c (warn_logical_operator): Define.
4257 * c-typeck.c (parser_build_binary_op): Call
4258 warn_logical_operator.
4260 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
4262 * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
4263 * final.c (final_scan_insn): Test for non-"" file name.
4265 2007-03-09 Sebastian Pop <sebastian.pop@inria.fr>
4267 * doc/loop.texi: Document the Omega linear constraints solver.
4268 * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
4269 omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
4270 omega-hash-table-size, omega-max-keys, and
4271 omega-eliminate-redundant-constraints.
4272 * tree-pass.h (pass_check_data_deps): Declared.
4273 * omega.c: New.
4274 * omega.h: New.
4275 * timevar.def (TV_CHECK_DATA_DEPS): Declared.
4276 * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
4277 pass_check_data_deps): New.
4278 * tree-data-ref.c (init_data_ref): Remove declaration.
4279 (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
4280 (analyze_array): Renamed init_array_ref, move up initializations.
4281 (init_data_ref): Renamed init_pointer_ref. Moved before its call.
4282 Removed arguments that are set to NULL.
4283 (analyze_indirect_ref): Correct indentation, correct call to
4284 init_pointer_ref.
4285 (object_analysis): Call init_array_ref instead of analyze_array.
4286 (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
4287 (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
4288 of DR_ACCESS_FNS_ADDR.
4289 (init_omega_eq_with_af, omega_extract_distance_vectors,
4290 omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
4291 ddr_consistent_p): New.
4292 (compute_affine_dependence): Check consistency of ddrs when
4293 flag_check_data_deps is passed.
4294 (analyze_all_data_dependences): Uncomment.
4295 (tree_check_data_deps): New.
4296 * tree-data-ref.h: Include omega.h.
4297 (DR_ACCESS_FNS_ADDR): Removed.
4298 (data_dependence_relation): Add inner_loop.
4299 (DDR_INNER_LOOP): New.
4300 * common.opt (fcheck-data-deps): New.
4301 * tree-flow.h (tree_check_data_deps): Declare.
4302 * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
4303 (OBJS-common): Depend on omega.o.
4304 (omega.o): Define.
4305 * passes.c (pass_check_data_deps): Scheduled.
4306 * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
4307 PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
4308 PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
4309 PARAM_VECT_MAX_VERSION_CHECKS,
4310 PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
4312 2007-03-09 Richard Guenther <rguenther@suse.de>
4314 PR tree-optimization/30904
4315 PR middle-end/31058
4316 * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
4317 the same way as *_DIV_EXPR.
4319 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
4321 * recog.c (decode_asm_operands): No mixed declarations and code.
4323 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
4325 * rtl.def (ASM_INPUT): Add location.
4326 * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
4327 (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
4328 (decode_asm_operands): Add loc operand.
4329 (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
4330 * stmt.c (expand_asm): Rename to...
4331 (expand_asm_loc): ... this. Add locus argument. Pass it on to
4332 gen_rtx_ASM_INPUT_loc.
4333 (expand_asm_expr): Adjust.
4334 * recog.c (decode_asm_operands): Add loc operand.
4335 (check_asm_operands, extract_insn): Adjust.
4336 * reload1.c (maybe_fix_stack_asms): Likewise.
4337 * final.c (asm_insn_count): Likewise.
4338 (final_scan_insn): Output # line before and after asm.
4340 2007-03-09 Daniel Berlin <dberlin@dberlin.org>
4342 * tree-ssa-structalias.c (variable_info): Remove
4343 finished_solution.
4344 (new_var_info): Ditto.
4345 (shared_bitmap_info_t): New structure.
4346 (shared_bitmap_table): New variable.
4347 (shared_bitmap_hash): New function.
4348 (shared_bitmap_eq): Ditto
4349 (shared_bitmap_lookup): Ditto.
4350 (shared_bitmap_add): Ditto.
4351 (merge_smts_into): Change to take bitmap directly.
4352 (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
4353 (init_alias_vars): Init shared bitmap hashtable.
4354 (delete_points_to_sets): Delete shared bitmap hashtable.
4355 * tree-ssa-operands.c (add_virtual_operand): Partially revert the
4356 is_aliased removal as a change that was still necessary was
4357 deleted.
4359 2007-03-09 Uros Bizjak <ubizjak@gmail.com>
4361 * config/i386/i386.h (override_options): Conditionally disable
4362 x86_sahf for 64bit targets only.
4364 2007-03-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
4366 PR C/31072
4367 * c-decl.c (merge_decls): Don't call make_var_volatile.
4368 * varasm.c (make_var_volatile): Remove.
4369 * output.h (make_var_volatile): Remove.
4371 2007-03-08 Zdenek Dvorak <dvorakz@suse.cz>
4373 PR tree-optimization/31085
4374 * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
4376 2007-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4378 * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
4379 llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
4380 ATTR_CONST_NOTHROW_LIST.
4382 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4383 FIX_TRUNC_EXPR.
4385 2007-03-08 Diego Novillo <dnovillo@redhat.com>
4387 * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
4389 2007-03-08 Geoffrey Keating <geoffk@apple.com>
4391 PR 31013
4392 * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
4393 is declared.
4394 * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
4395 passed, use shared libgcc.
4397 2007-03-08 Roger Sayle <roger@eyesopen.com>
4399 * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
4400 instead of calling build2 with a GIMPLE_MODIFY_STMT.
4401 (honor_protect_cleanup_actions, lower_try_finally_switch):
4402 Likewise.
4403 * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
4404 ifc_temp_var): Likewise.
4405 * tree-inline.c (setup_one_parameter): Likewise.
4406 * tree-mudflap.c (mf_decl_cache_locals,
4407 mf_build_check_statement_for): Likewise.
4408 * tree-nested.c (init_tmp_var, save_tmp_var,
4409 finalize_nesting_tree_1): Likewise.
4410 * tree-outof-ssa.c (insert_copy_on_edge,
4411 insert_backedge_copies): Likewise.
4412 * tree-profile.c (tree_gen_edge_profiler,
4413 tree_gen_ic_profiler): Likewise.
4414 * tree-scalar-evolution.c (scev_const_prop): Likewise.
4415 * tree-sra.c (sra_build_assignment): Likewise.
4416 * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
4417 * tree-ssa-math-opts.c (insert_reciprocals,
4418 execute_cse_sincos_1): Likewise.
4419 * tree-tailcall.c (adjust_accumulator_values,
4420 adjust_return_value): Likewise.
4421 * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
4422 * tree-vect-transform.c (vect_create_data_ref_ptr,
4423 bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
4424 vect_create_epilog_for_reduction, vectorizable_reduction,
4425 vectorizable_call, vectorizable_conversion,
4426 vectorizable_assignment, vectorizable_operation,
4427 vectorizable_type_demotion, vect_gen_widened_results_half,
4428 vect_permute_store_chain, vectorizable_store,
4429 vect_setup_realignment, vect_permute_load_chain,
4430 vectorizable_load, vectorizable_condition,
4431 vect_create_cond_for_align_checks): Likewise.
4432 * tree-vrp.c (build_assert_expr_for): Likewise.
4434 2007-03-08 Ian Lance Taylor <iant@google.com>
4436 * tree-vrp.c: Include "intl.h".
4437 (usable_range_p): New static function.
4438 (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
4439 overflowed values, juts set *strict_overflow_p.
4440 (compare_values): Only return -2 if one of the operands is not a
4441 constant.
4442 (compare_ranges): Call usable_range_p.
4443 (compare_range_with_value): Likewise.
4444 (vrp_evaluate_conditional_warnv): Rename from
4445 vrp_evaluate_conditional. Make static. Change all callers.
4446 (vrp_evaluate_conditional): New function.
4447 (simplify_div_or_mod_using_ranges): Issue warning about reliance
4448 on signed overflow.
4449 (simplify_abs_using_ranges): Likewise.
4450 (simplify_stmt_for_jump_threading): Add within_stmt parameter.
4451 * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
4452 within_stmt parameter.
4453 * tree-ssa-propagate.c (fold_predicate_in): Update call to
4454 vrp_evaluate_conditional.
4455 * tree-ssa-threadedge.c
4456 (record_temporary_equivalences_from_stmts_at_dest): Change
4457 simplify parameter to take a second tree parameter.
4458 (simplify_control_stmt_condition): Likewise.
4459 (thread_across_edge): Likewise.
4460 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4461 (thread_across_edge): Likewise.
4462 * Makefile.in (tree-vrp.o): Depend upon intl.h.
4464 2007-03-08 Uros Bizjak <ubizjak@gmail.com>
4466 * config/i386/i386.h (TARGET_SAHF): New define.
4467 * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
4468 Also enable for m_K8, m_AMDFAM10 and m_CORE2.
4469 (x86_sahf): New global variable.
4470 (override_options): Add PTA_NO_SAHF to pta_flags enum. Recode
4471 pta_flags masks using shifts. Add PTA_NO_SAHF to x86_64 and
4472 nocona processor flags. Set x86_sahf when PTA_NO_SAHF is not set
4473 in processor flags. Do not unconditionally disable TARGET_USE_SAHF
4474 for 64-bit.
4475 (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
4476 (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
4477 when expanding fcomi/sahf based tests.
4478 (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
4479 expanding sahf based alternative. Emit sahf based sequence when
4480 optimizing for code size.
4481 * config/i386/i386.md (x86_sahf_1): Do not disable for
4482 TARGET_64BIT, enable for TARGET_SAHF.
4484 2007-03-08 Martin Michlmayr <tbm@cyrius.com>
4486 * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
4487 spurious whitespace from error message.
4489 2007-03-08 Volker Reichelt <reichelt@netcologne.de>
4491 PR c++/30852
4492 * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
4494 2007-03-08 Alexandre Oliva <aoliva@redhat.com>
4496 * c-decl.c (grokdeclarator): Disable warnings for anonymous
4497 bitfields.
4498 * tree-sra.c (instantiate_element): Propagate disabled warnings
4499 from the element itself to the created variable.
4501 2007-03-07 Richard Henderson <rth@redhat.com>
4503 PR target/30848
4504 * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
4505 silently fix up the stack in the case of a missing register.
4507 2007-03-07 Paul Brook <paul@codesourcery.com>
4509 * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
4511 2007-03-07 Joseph Myers <joseph@codesourcery.com>
4513 * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
4514 New.
4515 (phase1_vrs): Use them.
4516 (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
4517 (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
4518 __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
4519 (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
4520 __gnu_Unwind_Restore_WMMXC if required.
4521 (_Unwind_VRS_Pop): Implement iWMMXt support.
4522 * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
4523 gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
4524 gnu_Unwind_Save_WMMXC): Define.
4526 2007-03-07 Richard Sandiford <richard@codesourcery.com>
4528 * config/vxworks.h (vxworks_override_options): Declare.
4529 (VXWORKS_OVERRIDE_OPTIONS): Use it.
4530 * config/vxworks.c: Include target.h and toplev.h.
4531 (vxworks_override_options): New function.
4532 * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
4534 2007-03-07 Andreas Krebbel <krebbel1@de.ibm.com>
4536 * config/s390/s390.c (override_options): Don't emit an error when
4537 -mstack-size is used without providing -mstack-guard.
4538 (s390_emit_prologue): Choose stack_guard value automatically if not
4539 provided via command line.
4540 * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
4542 2007-03-07 Richard Sandiford <richard@codesourcery.com>
4544 * config/i386/i386.c (output_set_got): Add a GOT initialization
4545 sequence for VxWorks PIC.
4546 (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
4547 around labels as well as symbols. Use gotoff_operand instead
4548 of local_symbolic_operand.
4549 (legitimize_pic_address): Use gotoff_operand instead of
4550 local_symbolic_operand. Use @GOT accesses for labels as
4551 well as symbols.
4552 (ix86_output_addr_diff_elt): Use PC-relative rather than
4553 GP-relative offsets for VxWorks PIC.
4554 (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
4555 no_new_pseudos. Check whether the returned register is op0.
4556 * config/i386/i386.md (tablejump): Use PC-relative rather than
4557 GP-relative offsets for VxWorks PIC.
4558 * config/i386/predicates.md (gotoff_operand): New predicate.
4560 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4562 * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
4563 before defining.
4564 * config/vxworks-dummy.h: New file.
4565 * config/i386/i386.h: Include it.
4567 2007-03-07 Alexandre Oliva <aoliva@redhat.com>
4569 * dwarf2out.c (is_inlined_entry_point): New
4570 (add_high_low_attributes): Emit DW_AT_entry_pc along with
4571 DW_AT_ranges if the first subblock is the entry point.
4573 2007-03-06 David Daney <ddaney@avtrex.com>
4575 * doc/install.texi (mips-*-*): Change recommended binutils
4576 version.
4578 2007-03-06 Anatoly Sokolov <aesok@post.ru>
4580 * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
4581 ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
4582 devices.
4583 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4584 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4586 2007-03-06 Jan Hubicka <jh@suse.cz>
4588 * errors.h (warning, error, fatal, internal_error): Mark as cold.
4589 * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
4590 are hot.
4591 (probably_cold_bb_p): Cold functions are cold.
4592 (probably_never_executed_bb_p): Cold functions are cold.
4593 (tree_bb_level_predictions): Predict calls to cold functions as not
4594 taken.
4595 (compute_function_frequency): Check hot/cold attributes.
4596 * function.h (function_frequency): Update comments.
4597 * predict.def (PRED_COLD_FUNCTION): Predict cold function.
4598 * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
4599 (c_common_att): Add cold and hot.
4601 * doc/extend.texi (hot,cold attributes): Document.
4603 2007-03-06 Andrew Haley <aph@redhat.com>
4605 * function.c (expand_function_end): Move blockage to just after we
4606 emit the label for the naked return from the function.
4608 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4610 * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
4611 before redefining.
4613 2007-03-06 Jan Hubicka <jh@suse.cz>
4615 * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
4616 loaded for constant large models. Non-large 64bit PIC can do.
4617 * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
4618 * cmodel.h: Add LARGE PIC.
4619 * i386.md (UNSPEC_PLTOFF): New.
4620 (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
4621 needed.
4622 (*call_1_rex64): Disable for large models.
4623 (*call_1_rex64_large): New.
4624 (*call_value_1_rex64): Disable for large models.
4625 (*call_value_1_rex64_large): New.
4626 (set_rip_rex4): New.
4627 (set_got_offset_rex64): New.
4628 * predicates.md (constant_call_address_operand): For large model
4629 constant calls are not possible.
4630 * i386-protos.h (construct_plt_address): Declare.
4631 * i386.c (override_options): Accept large models.
4632 (ix86_expand_prologue): Expand large PIC GOT pointer load.
4633 (legitimate_constant_p): Add new UNSPECs.
4634 (legitimate_pic_operand_p): Likewise.
4635 (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
4636 (legitimize_pic_address): Do easy RIP relative way for TLS only for
4637 non-large model.
4638 (output_pic_addr_const): Add PLTOFF.
4639 (ix86_output_addr_diff_elt): Output 64bit tables when needed.
4640 (ix86_expand_move): Legitimize pic address when in PIC mode.
4641 (construct_plt_address): New function.
4642 (ix86_expand_call): Offload the address to register and use GOT pointer
4643 for large model.
4644 * invoke.texi (mcmodel=large): Update documentation.
4646 2007-03-06 Richard Henderson <rth@redhat.com>
4648 * config/i386/i386.c (x86_use_leave, x86_push_memory,
4649 x86_zero_extend_with_and, x86_movx, x86_double_with_add,
4650 x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
4651 x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
4652 x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
4653 x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
4654 x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
4655 x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
4656 x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
4657 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4658 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4659 x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
4660 x86_sse_partial_reg_dependency, x86_sse_split_regs,
4661 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4662 x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
4663 x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
4664 x86_schedule, x86_use_bt, x86_pad_returns,
4665 x86_use_xchgb): Merge into ...
4666 (ix86_tune_features): ... here. New array.
4667 (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4668 x86_bswap): Merge into ...
4669 (ix86_arch_features): ... here. New array.
4670 (x86_3dnow_a): Remove.
4671 (x86_accumulate_outgoing_args): Make static.
4672 (x86_arch_always_fancy_math_387): Make static.
4673 (ix86_tune_mask, ix86_arch_mask): Move ...
4674 (override_options): ... to local variables here. Apply the
4675 appropriate mask to each element of ix86_arch_features and
4676 ix86_tune_features. Adjust TARGET_CMOVE and TARGET_USE_SAHF
4677 as were done in the old macros.
4678 (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
4679 * config/i386/i386.h (x86_use_leave, x86_push_memory,
4680 x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
4681 x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
4682 x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
4683 x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
4684 x86_read_modify_write, x86_read_modify, x86_split_long_moves,
4685 x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
4686 x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
4687 x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
4688 x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
4689 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4690 x86_accumulate_outgoing_args, x86_prologue_using_move,
4691 x86_epilogue_using_move, x86_decompose_lea,
4692 x86_arch_always_fancy_math_387, x86_shift1,
4693 x86_sse_partial_reg_dependency, x86_sse_split_regs,
4694 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4695 x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
4696 x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4697 x86_use_incdec, x86_pad_returns, x86_bswap,
4698 x86_partial_flag_reg_stall): Remove.
4699 (enum ix86_tune_indices): New.
4700 (ix86_tune_features): New.
4701 (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
4702 TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
4703 TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
4704 TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
4705 TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
4706 TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
4707 TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
4708 TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
4709 TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
4710 TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
4711 TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
4712 TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
4713 TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
4714 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
4715 TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
4716 TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
4717 TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
4718 TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
4719 TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
4720 TARGET_EXT_80387_CONSTANTS): Use it.
4721 (enum ix86_arch_indices): New.
4722 (ix86_arch_features): New.
4723 (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
4724 TARGET_BSWAP): Use it.
4725 (ix86_tune_mask, ix86_arch_mask): Remove.
4727 2007-03-06 Joseph Myers <joseph@codesourcery.com>
4729 PR bootstrap/31020
4730 * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
4731 Define using $${sysroot_headers_suffix}.
4732 * configure: Regenerate.
4733 * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
4734 multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
4735 defined.
4736 * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
4737 * gcc.c (print_sysroot_headers_suffix): New.
4738 (option_map): Include --print-sysroot-headers-suffix.
4739 (display_help): Mention -print-sysroot-headers-suffix.
4740 (process_command): Handle -print-sysroot-headers-suffix.
4741 (do_spec_1): Append multilib directory to include-fixed path if
4742 sysroot suffixes in use.
4743 (main): Handle -print-sysroot-headers-suffix.
4744 * Makefile.in (start.encap): Don't depend on xlimits.h
4745 (xlimits.h): Remove.
4746 (stmp-int-hdrs): Don't depend on xlimits.h. Inline generation of
4747 limits.h for each multilib in fixinc_list.
4748 (fixinc_list, s-fixinc_list): New.
4749 (stmp-fixinc): Depend on fixinc_list. If not copying headers,
4750 generate them for each multilib in fixinc_list.
4751 (stmp-fixproto): Use include-fixed. Run fixproto for each
4752 multilib in fixinc_list.
4753 (mostlyclean): Don't remove xlimits.h.
4754 (clean): Remove include-fixed.
4755 (real-install-headers-tar, real-install-headers-cpio,
4756 real-install-headers-cp): Don't copy include, only include-fixed.
4757 (install-mkheaders): Depend on fixinc_list. Don't depend on
4758 xlimits.h. Save limits.h files for each multilib in fixinc_list.
4759 Always save mkinstalldirs. Preserve ${sysroot_headers_suffix} in
4760 SYSTEM_HEADER_DIR setting in mkheaders.conf.
4762 2007-03-06 Jan Hubicka <jh@suse.cz>
4764 * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
4765 NANs easilly.
4767 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4769 * configure.ac: Allow tm_file to contain build-directory files.
4770 * configure: Regenerate.
4771 * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
4772 * config/m68k/t-uclinux (sysroot-suffix.h): New target.
4773 * config/m68k/print-sysroot-suffix.sh: New file.
4775 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4777 * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
4778 of pic_offset_table_rtx if reload_completed.
4779 (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
4780 PIC_OFFSET_TABLE_REGNUM.
4781 * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
4782 return true.
4783 (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
4784 (m68k_output_mi_thunk): Rewrite to use RTL. Honor vcall_offset.
4786 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4788 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
4789 functions that call eh_return.
4791 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4793 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
4794 functions that need a constant pool.
4796 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4798 PR target/28181
4799 * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
4800 (m68k_preferred_reload_class): Likewise.
4801 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
4802 (SECONDARY_RELOAD_CLASS): Define.
4803 (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
4804 (LIMIT_RELOAD_CLASS): Delete.
4805 * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
4806 registers from storing bytes.
4807 (m68k_secondary_reload_class): New function.
4808 (m68k_preferred_reload_class): Likewise.
4810 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4812 * config/m68k/m68k.c (m68k_save_reg): Remove special case for
4813 leaf functions.
4814 (m68k_expand_prologue): Likewise.
4816 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4818 * config/m68k/m68k-protos.h (output_sibcall): Declare.
4819 (mips_expand_epilogue): Add a bool parameter.
4820 (m68k_legitimize_sibcall_address): Declare.
4821 * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
4822 (m68k_expand_epilogue): Add a parameter to select between sibling
4823 and normal epilogues. Only generate a return for the latter.
4824 (m68k_ok_for_sibcall_p): New function.
4825 (m68k_legitimize_sibcall_address, output_sibcall): New functions.
4826 * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
4827 (sibcall_value, *sibcall_value): Likewise.
4828 (*call, *call_value): Require !SIBLING_CALL_P.
4829 (epilogue): Update call to m68k_expand_epilogue.
4830 (sibcall_epilogue): New pattern.
4831 * config/m68k/predicates.md (const_call_operand): Say that this
4832 predicate applies to sibling calls too.
4833 (sibcall_operand): New predicate.
4835 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4837 * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
4838 alternatives as movsi_cf.
4839 (movsf_cf_hard): Add commentary.
4841 2007-03-06 Kazu Hirata <kazu@codesourcery.com>
4842 Richard Sandiford <richard@codesourcery.com>
4844 * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
4845 (m68k_movem_pattern_p, m68k_output_movem): Likewise.
4846 (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
4847 * config/m68k/m68k.h (EPILOGUE_USES): Define. Treat all registers
4848 as being live on exit from an interrupt function.
4849 (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
4850 * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
4851 (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
4852 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
4853 (m68k_interrupt_function_p): Globalize.
4854 (m68k_compute_frame_layout): Remove reverse mask code.
4855 (m68k_emit_movem, m68k_set_frame_related): New functions.
4856 (m68k_output_function_prologue): Delete in favor of...
4857 (m68k_expand_prologue): ...this new function.
4858 (m68k_output_function_epilogue): Delete in favor of...
4859 (m68k_expand_epilogue): ...this new function.
4860 (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
4861 functions.
4862 (print_operand): Handle %?.
4863 * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
4864 (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
4865 (prologue, epilogue): New patterns.
4866 (return): Turn into a define_expand.
4867 (*return): New pattern, derived from old "return" pattern. Use rte
4868 rather than rts for interrupt functions. Only use rtd if the pop
4869 count is nonzero.
4870 (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
4871 (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
4872 (link, *link, unlink, *unlink, load_got): Likewise.
4874 2007-03-06 Richard Sandiford <richard@codesourcery.com>
4876 PR target/23482
4877 PR target/17114
4878 * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
4879 (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
4880 (m68k_matches_q_p, m68k_matches_u_p): Likewise.
4881 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
4882 and m68k_matches_u_p.
4883 (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
4884 (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
4885 (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
4886 (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
4887 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
4888 (REG_STRICT_P): New macro.
4889 (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
4890 PCREL_GENERAL_OPERAND_OK.
4891 (REG_OK_FOR_BASE_P): Merge definitions. Use REG_STRICT_P and
4892 m68k_legitimate_base_reg_p.
4893 (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
4894 (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
4895 (PIC_CASE_VECTOR_ADDRESS): Update comment.
4896 * config/m68k/m68k.c (m68k_address): New structure.
4897 (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
4898 (m68k_decompose_index, m68k_legitimate_constant_address_p)
4899 (m68k_jump_table_ref_p, m68k_decompose_address)
4900 (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
4901 (m68k_matches_u_p): New functions.
4902 (print_operand_address): Rewrite to use m68k_decompose_index.
4904 2007-03-05 David Taylor <dtaylor@emc.com>
4906 * gcc.c: Correct copyright date in --version output.
4908 2007-03-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4910 * pa.md: In unamed move patterns, disparge copies between general
4911 and floating point registers using '?' modifier. Don't include 'f'
4912 constraint for register preferences in DImode, SImode, HImode and
4913 QImode patterns. Likewise for 'r' in DFmode and SFmode patterns.
4914 Remove constraints for copies between general and floating registers
4915 in soft-float DFmode pattern.
4916 (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
4917 floating register.
4918 (movsf): Likewise.
4920 2007-03-05 Mike Stump <mrs@apple.com>
4922 * c-common.c (targetcm): Add.
4923 * c-opts.c (c_common_handle_option): Handle language specific
4924 target options.
4925 * opts.c (handle_option): Verify language for target options, if
4926 any are given.
4927 * opth-gen.awk: Add CL_LANG_ALL.
4928 * target-def.h (TARGET_HANDLE_C_OPTION): Add.
4929 (TARGETCM_INITIALIZER): Add.
4930 * target.h (struct gcc_targetcm): Add.
4931 (targetcm): Add.
4932 * targhooks.c (default_handle_c_option): Add.
4933 * targhooks.h (default_handle_c_option): Add.
4934 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
4936 * config/darwin.opt (iframework): Add.
4937 * config/darwin.h (TARGET_HAS_TARGETCM): Add.
4938 * config/darwin-c.c (handle_c_option): Add.
4939 (TARGET_HANDLE_C_OPTION): Add.
4940 (targetcm): Add.
4941 * doc/invoke.texi (Darwin Options): Add -iframework.
4943 2007-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4945 * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
4946 conversion.
4948 2007-03-05 Ian Lance Taylor <iant@google.com>
4950 * c.opt (fgnu89-inline): New option.
4951 * c-opts.c (c_common_post_options): Set default value for
4952 flag_gnu89_inline.
4953 * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
4954 (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
4955 inline functions.
4956 (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
4957 (grokdeclarator, start_function): Likewise.
4958 * c-cppbuiltin.c (c_cpp_builtins): Define either
4959 __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
4960 * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
4961 (C Dialect Options): Document -fgnu89-inline.
4962 * doc/extend.texi (Function Attributes): Explain what the
4963 gnu_inline attribute does.
4964 * doc/cpp.texi (Common Predefined Macros): Document
4965 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
4967 2007-03-05 Ian Lance Taylor <iant@google.com>
4969 PR tree-optimization/31034
4970 * tree-vrp.c (extract_range_from_assert): Don't try to handle a
4971 half-range if the other side is an overflow infinity.
4973 2007-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
4975 * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
4976 (bfin*-linux-uclibc*): New configuration.
4977 * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
4978 defining.
4979 * config/bfin/linux.h: New file.
4980 * config/bfin/libgcc-bfin.ver: New file.
4981 * config/bfin/t-bfin-uclinux: New file.
4982 * config/bfin/t-bfin-linux: New file.
4983 * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
4984 (TARGET_OS_CPP_BUILTINS): New macro.
4986 2007-03-05 Richard Guenther <rguenther@suse.de>
4988 * fold-const.c (fold_binary): Remove duplicate folding
4989 of comparison of non-null ADDR_EXPR against null.
4991 2007-03-05 Richard Guenther <rguenther@suse.de>
4992 Dorit Nuzman <dorit@il.ibm.com>
4994 PR tree-optimization/26420
4995 * tree-vectorizer.c (vectorize_loops): Bail out early if there
4996 are no loops in the function. Only print the number of
4997 vectorized loops if it is greater than zero or we are supposed
4998 to print information about unvectorized loops.
5000 2007-03-05 Revital Eres <eres@il.ibm.com>
5002 * gcc.dg/var-expand1.c: New test.
5003 * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
5004 when an accumulator is expanded.
5006 2007-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5008 PR other/30465
5009 * c-common.c (convert_and_check): Don't give warnings for
5010 conversion if 'expr' already overflowed.
5012 2007-03-04 Roger Sayle <roger@eyesopen.com>
5014 PR middle-end/30744
5015 * fold-const.c (fold_comparison): Enforce type consistency when
5016 transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
5018 2007-03-04 Zdenek Dvorak <dvorakz@suse.cz>
5020 * tree-ssa-address.c (create_mem_ref): Do not put an expression
5021 containing a cast to the base of TARGET_MEM_REF.
5023 2007-03-04 Martin Michlmayr <tbm@cyrius.com>
5025 * tree.c (tree_contains_struct_check_failed): Remove spurious
5026 whitespace from error message.
5028 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
5030 PR target/30406
5031 * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
5032 instead of precision.
5034 2007-03-04 Roman Zippel <zippel@linux-m68k.org>
5035 Nathan Sidwell <nathan@codesourcery.com>
5037 * emit-rtl.c (find_auto_inc): New.
5038 (try_split): recreate REG_INC notes,
5039 Use regular for loops rather than whiles.
5041 2007-03-03 Andreas Schwab <schwab@suse.de>
5043 * configure.ac (HAVE_AS_REL16): Move test back to correct place.
5044 * configure: Regenerate.
5046 2007-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5048 * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
5049 flag_rounding_math, not flag_unsafe_math_optimizations.
5051 * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
5052 fold_build2.
5053 * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
5054 alpha_fold_vector_minmax): Likewise.
5055 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5056 * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
5058 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
5060 * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
5061 (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
5062 if the lhs has side-effects.
5063 <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
5065 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
5067 * config/i386/i386.h (TUNEMASK): Remove define.
5068 (ARCHMASK): Remove define.
5069 (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
5070 Use ix86_arch_mask variable instead of ARCHMASK.
5071 * config/i386/i386.c (override_options): Ditto.
5072 (standard_80387_constant_p): Ditto.
5074 2007-03-02 Ian Lance Taylor <iant@google.com>
5076 Used signed infinities in VRP.
5077 * tree-vrp.c (uses_overflow_infinity): New static function.
5078 (supports_overflow_infinity): New static function.
5079 (make_overflow_infinity): New static function.
5080 (negative_overflow_infinity): New static function.
5081 (positive_overflow_infinity): New static function.
5082 (is_negative_overflow_infinity): New static function.
5083 (is_positive_overflow_infinity): New static function.
5084 (is_overflow_infinity): New static function.
5085 (overflow_infinity_range_p): New static function.
5086 (compare_values_warnv): New function split out of compare_values.
5087 (compare_value): Call it.
5088 (set_value_range_to_nonnegative): Add overflow_infinity
5089 parameter. Change caller.
5090 (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
5091 Change callers.
5092 (vrp_expr_computes_nonzero): Likewise.
5093 (compare_ranges, compare_range_with_value): Likewise.
5094 (compare_name_with_value, compare_names): Likewise.
5095 (vrp_evaluate_conditional): Likewise.
5096 (set_value_range): Handle infinity
5097 (vrp_operand_equal_p, operand_less_p): Likewise.
5098 (extract_range_from_assert): Likewise.
5099 (vrp_int_const_binop): Likewise.
5100 (extract_range_from_binary_expr): Likewise.
5101 (extract_range_from_unary_expr): Likewise.
5102 (extract_range_from_comparison): Likewise.
5103 (extract_range_from_expr): Likewise.
5104 (dump_value_range): Likewise.
5105 (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
5106 (test_for_singularity): Likewise.
5107 (vrp_int_const_binop): Remove inline qualifier.
5108 (adjust_range_with_scev): Add comment.
5109 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5111 2007-03-02 Diego Novillo <dnovillo@redhat.com>
5113 * tree-ssa-structalias.c (could_have_pointers): Tidy.
5114 (get_constraint_for): Likewise.
5115 (do_structure_copy): Likewise.
5116 (find_func_aliases): Fix references to MODIFY_EXPR.
5117 (intra_create_variable_infos): Tidy.
5118 * tree-ssa-operands.c (add_virtual_operand): Add argument
5119 IS_CALL_SITE.
5120 When adding members of alias sets, if IS_CALL_SITE is true and
5121 the symbol is not call-clobbered, skip it.
5122 Adjust all callers.
5124 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
5126 * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
5127 entry by means of emit_insn_at_entry.
5129 2007-03-02 Richard Henderson <rth@redhat.com>
5131 * expr.h (promoted_input_arg): Remove decl.
5132 * function.c (promoted_input_arg): Merge into ...
5133 * combine.c (setup_incoming_promotions): ... only caller.
5134 Rearrange to avoid double loop.
5136 2007-03-02 Ben Elliston <bje@au.ibm.com>
5137 Peter Bergner <bergner@vnet.ibm.com>
5138 Janis Johnson <janis187@us.ibm.com>
5140 * config/rs6000/dfp.md: New file.
5141 * config/rs6000/rs6000.md: Include dfp.md.
5142 (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
5143 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
5144 and TDmode decimal float modes in FP registers.
5145 (num_insns_constant): Likewise.
5146 (rs6000_legitimate_offset_address_p): Likewise.
5147 (rs6000_legitimize_address): Likewise.
5148 (rs6000_legitimize_reload_address): Likewise.
5149 (rs6000_legitimate_address): Likewise.
5150 (rs6000_emit_move): Likewise.
5151 (function_arg_boundary): Likewise.
5152 (function_arg_advance): Likewise.
5153 (rs6000_darwin64_record_arg_recurse): Likewise.
5154 (function_arg): Likewise.
5155 (rs6000_gimplify_va_arg): Likewise.
5156 (rs6000_split_multireg_move): Likewise.
5157 (rs6000_output_function_epilogue): Likewise.
5158 (rs6000_output_function_epilogue): Likewise.
5159 (rs6000_register_move_cost): Likewise.
5160 (rs6000_function_value): Likewise.
5161 (rs6000_libcall_value): Likewise.
5163 2007-03-02 Richard Sandiford <richard@codesourcery.com>
5165 * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
5167 2007-03-02 Richard Sandiford <richard@codesourcery.com>
5169 * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
5170 Use $MULTIDIR to choose between the kernel and RTP headers,
5171 and use $WIND_BASE and $WIND_USR to locate them.
5173 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
5175 * config/i386/i386.c (override_options): Put initialization of
5176 ix86_tune_mask and ix86_arch_mask to the correct place.
5178 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
5179 Michael Meissner <michael.meissner@amd.com>
5181 PR target/31019
5182 * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
5183 (ARCHMASK): Define.
5184 (TARGET_CMOVE): Use ARCHMASK.
5185 (TARGET_CMPXCHG): Ditto.
5186 (TARGET_CMPXCHG8B): Ditto.
5187 (TARGET_XADD): Ditto.
5188 (TARGET_BSWAP): Ditto.
5189 * config/i386/i386.c (ix86_tune_mask): New global variable.
5190 (ix86_arch_mask): Ditto.
5191 (override_options): Initialize ix86_tune_mask and
5192 ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
5193 target_flags.
5195 2007-03-02 Ben Elliston <bje@au.ibm.com>
5197 PR 30992
5198 * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
5200 2007-03-02 Joseph Myers <joseph@codesourcery.com>
5202 * target.h (init_dwarf_reg_sizes_extra): New target hook.
5203 * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
5204 * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
5205 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
5206 hook.
5207 * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
5208 rs6000_init_dwarf_reg_sizes_extra): New.
5209 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
5210 SPE register high parts.
5212 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
5214 * Makefile.in: Add install-pdf target as
5215 copied from automake v1.10 rules.
5216 * configure.ac: Add install-pdf to target list.
5217 * configure: Regenerate.
5219 2007-03-01 Paul Brook <paul@codesourcery.com>
5221 * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
5222 modes to LDRD for DImode.
5223 (output_move_double): Fixup out of range ldrd/strd.
5224 (vfp_secondary_reload_class): Rename...
5225 (coproc_secondary_reload_class): ... to this. Add wb argument.
5226 * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
5227 coproc_secondary_reload_class for CLASS_IWMMXT.
5228 (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
5229 * arm-protos.h (coproc_secondary_reload_class): Update prototype.
5231 2007-03-01 Zdenek Dvorak <dvorakz@suse.cz>
5233 * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the unroll
5234 factor by the estimated number of iterations.
5235 (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
5236 prefetch latency.
5238 * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
5239 decode_caches_intel, detect_caches_intel): New functions.
5240 (host_detect_local_cpu): Use detect_caches_amd and
5241 detect_caches_intel.
5243 2007-03-01 Richard Henderson <rth@redhat.com>
5245 * expr.c (emit_move_complex_push): Export.
5246 (emit_move_complex_parts): Split out from ...
5247 (emit_move_complex): ... here.
5248 * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
5249 * config/i386/i386.md (movcdi): New.
5251 2007-03-01 Uros Bizjak <ubizjak@gmail.com>
5253 * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
5254 size of mode1 to check for tieable modes in MMX case.
5256 2007-03-01 Richard Sandiford <richard@codesourcery.com>
5258 * Makefile.in (rtlanal.o): Depend on tree.h.
5259 * rtl.h (offset_within_section_p, split_const): Declare.
5260 * rtlanal.c: Include tree.h.
5261 (offset_within_block_p): New function, taken from
5262 mips_offset_within_object_p.
5263 (split_const): New function, taken from mips_split_const.
5264 * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
5265 Declare.
5266 * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
5267 (CONSTANT_ADDRESS_P): Only accept legitimate constants.
5268 (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
5269 * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
5270 (m68k_illegitimate_symbolic_constant_p): New function.
5271 * config/m68k/m68k.md (movsi): Remove misleading predicates.
5272 If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
5273 symbolic constant that might be outside the symbol's section,
5274 move the symbol first and then add the offset.
5275 * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
5276 Override.
5277 * config/mips/mips.c (mips_split_const): Delete.
5278 (mips_offset_within_object_p): Delete.
5279 (mips_symbolic_constant_p): Use offset_within_section_p and
5280 split_const instead of mips_offset_within_object_p and
5281 mips_split_const.
5282 (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
5283 (mips_legitimize_const_move, print_operand_reloc)
5284 (mips_dangerous_for_la25_p): Use split_const instead of
5285 mips_split_const.
5287 2007-02-28 Eric Christopher <echristo@apple.com>
5289 * Makefile.in (install-include-dir): Don't rm -rf include.
5291 2007-02-28 Richard Guenther <rguenther@suse.de>
5293 PR middle-end/30364
5294 * fold-const.c (fold_binary): Do not associate expressions
5295 with more than one variable for integer types that do not wrap.
5297 2007-02-28 Sandra Loosemore <sandra@codesourcery.com>
5299 * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
5300 Delete, and replace with...
5301 (fold_builtin_call_array): This. Update callers to use it.
5302 * fold-const.c (fold_build_call_list): Delete, and replace with...
5303 (fold_build_call_array): This.
5304 (fold_build_call_list_initializer): Delete, and replace with...
5305 (fold_build_call_array_initializer): This.
5306 * tree.h: Update declarations to reflect above changes.
5308 * c-typeck.c (build_function_call): Store converted arguments
5309 in a stack-allocated array instead of building a list.
5310 (convert_arguments): Store arguments in the array passed in as an
5311 argument, and return the actual number of arguments.
5312 * c-format.c: (check_function_format): Pass arguments in an
5313 array instead of a list.
5314 * c-common.c (check_function_nonnull): Likewise.
5315 (check_function_sentinel): Likewise.
5316 (check_function_arguments): Likewise.
5317 * c-common.h: Update declarations to reflect above changes.
5319 2007-02-28 Jan Hubicka <jh@suse.cz>
5321 * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
5322 PRED_NEGATIVE_RETURN): Update outcomes.
5324 2007-02-28 Bernd Schmidt <bernd.schmidt@analog.com>
5326 * calls.c (emit_library_call_value_1): Handle partial registers
5327 correctly when building up CALL_INSN_FUNCTION_USAGE.
5329 2007-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5331 * pa/predicates.md (move_src_operand): Allow zero for mode.
5332 * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
5333 move pattern.
5335 2007-02-27 Uros Bizjak <ubizjak@gmail.com>
5337 PR target/30970
5338 * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
5339 *movv2df_internal): Enable pattern only for valid operand
5340 combinations.
5341 * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
5342 tie only 128bit modes. For MMX registers, tie only 64bit modes.
5344 2007-02-27 Mike Stump <mrs@apple.com>
5346 * config/darwin-crt3.c: Avoid compilation when compiling for a
5347 kext multilib.
5349 2007-02-27 Joseph Myers <joseph@codesourcery.com>
5351 * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
5352 FIXED_INCLUDE_DIR.
5353 (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
5354 for fixed headers and limits.h.
5355 (install-include-dir, install-headers-tar, install-headers-cpio,
5356 install-headers-cp, real-install-headers-tar,
5357 real-install-headers-cpio, real-install-headers-cp): Handle
5358 include-fixed as well as include.
5359 (install-mkheaders): Don't install files that go only in include
5360 not include-fixed.
5361 * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
5362 from GCC_INCLUDE_DIR.
5363 * gcc.c (process_command): Remove special -BstageN/ handling.
5364 (do_spec_1): Add include-fixed directories.
5366 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
5368 * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
5369 _smulsi3_highpart.
5370 * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
5371 New functions.
5372 * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
5373 patterns.
5375 2007-02-27 Mark Mitchell <mark@codesourcery.com>
5377 * c-common.c (get_priority): Add check for
5378 SUPPORTS_INIT_PRIORITY.
5380 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
5382 * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
5384 * config/bfin/bfin.c: Include "cfglayout.h".
5385 (MAX_LSETUP_DISTANCE): New macro.
5386 (struct loop_info): New members incoming, incoming_src and
5387 incoming_dest. Delete member predecessor.
5388 (length_for_loop): New function.
5389 (bfin_optimize_loop): Handle more different loop structures.
5390 (bfin_discover_loop): Rework detection of predecessor blocks by
5391 examining incoming edges.
5392 (bfin_discover_loops, bfin_free_loops): New functions, broken out of
5393 bfin_reorg_loops.
5394 (bfin_reorder_loops): New function.
5395 (bfin_reorg_loops): Use these three new functions.
5397 * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
5398 REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
5399 (CONSTRAINT_LEN): Add entry for 'q'.
5400 (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
5401 Add 'q' constraints.
5402 (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
5403 (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
5405 * config/bfin/bfin.md (add_with_carry): New pattern.
5406 (s_or_u, su_optab, su_modifier): New code macros/attrs.
5407 (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
5408 <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
5409 support unsigned multiplies too. Removed incorrect commutativity from
5410 operand 1 constraint where appropriate.
5411 (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
5412 patterns.
5413 (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
5414 <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
5415 New patterns.
5416 (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
5417 usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
5418 usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
5419 usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
5420 usmulhisi_hh_huh): New patterns.
5422 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
5423 lshifthi3): Fix output template to use half reg for operand 2.
5425 * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
5426 instead of R2.
5428 * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
5430 2007-02-27 Andreas Schwab <schwab@suse.de>
5432 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
5434 2007-02-27 Jan Hubicka <jh@suse.cz>
5436 * predict.c (last_basic_block_p): Remove.
5437 (tree_estimate_probability): Update return heuristic for commonized
5438 return blocks.
5440 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
5442 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
5444 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
5446 * doc/include/gcc-common.texi (versionsubtitle): New macro.
5447 * doc/cpp.texi: Standardize title page.
5448 * doc/cppinternals.texi: Likewise.
5449 * doc/gcc.texi: Standardize title page, remove version number
5450 from copyright page.
5451 * doc/gccint.texi: Likewise.
5452 * doc/install.texi: Standardize title page, add table of
5453 contents.
5455 2007-02-26 Jan Hubicka <jh@suse.cz>
5457 * predict.def: Set outcomes according to more recent results.
5458 (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
5459 Remove dead predictors.
5460 * predict.c (return_prediction): Fix pasto.
5462 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
5464 * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
5465 change; avoid a memory leak when returning early.
5467 2007-02-26 Mark Mitchell <mark@codesourcery.com>
5469 * c-decl.c (static_ctors): Move to c-common.c.
5470 (static_dtors): Likewise.
5471 (finish_function): Use c_record_cdtor_fn.
5472 (build_cdtor): Move to c-common.c.
5473 (c_write_global_declarations): Use c_build_cdtor_fns.
5474 * c-common.h (static_ctors): Declare.
5475 (static_dtors): Likewise.
5476 (c_record_cdtor_fn): Likewise.
5477 (c_build_cdtor_fns): Likewise.
5478 * c-common.c (static_ctors): New variable.
5479 (static_dtors): Likewise.
5480 (c_record_cdtor_fn): New function.
5481 (build_cdtor): Move from c-decl.c
5482 (c_build_cdtor_fns): New function.
5484 * output.h (assemble_addr_to_section): Declare.
5485 (get_cdtor_priority_section): Likewise.
5486 * varasm.c (assemble_addr_to_section): New function.
5487 (get_cdtor_priority_section): Likewise.
5488 (default_named_section_asm_out_destructor): Use them.
5489 (destor_dtor_section_asm_out_destructor): Likewise.
5490 (default_named_section_asm_out_constructor): Likewise.
5491 (default_ctor_section_asm_out_constructor): Likewise.
5492 * config.gcc (*-*-vxworks*): Include vxworks.o.
5493 * config/t-vxworks (vxworks.o): New target.
5494 * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
5495 (TARGET_ASM_CONSTRUCTOR): Define.
5496 (TARGET_ASM_DESTRUCTOR): Likewise.
5497 (vxworks_asm_out_constructor): Declare.
5498 (vxworks_asm_out_destructor): Likewise.
5500 * c-common.c (get_priority): Check that we have not just an
5501 INTEGER_CST, but an integer constant with integeral type.
5503 2007-02-25 Uros Bizjak <ubizjak@gmail.com>
5505 PR tree-optimization/30938
5506 * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
5507 use &dt[nargs-1] instead of &dt[nargs] in the call to
5508 vect_is_simple_use().
5510 2007-02-25 Ulrich Weigand <uweigand@de.ibm.com>
5512 * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
5513 from register elimination as PRE_MODIFY / POST_MODIFY increments.
5514 Do not attempt to handle MEM inside auto-inc expressions.
5515 * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
5516 of a register modified by an auto-inc expression. However, do handle
5517 elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
5518 (elimination_effects): Prohibit elimination of a register modified
5519 by an auto-inc expression. Disable register elimination rules whose
5520 target register is modified by an auto-inc expression with variable
5521 increment.
5523 2007-02-25 Zdenek Dvorak <dvorakz@suse.cz>
5525 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
5526 off-by-one error.
5527 (array_at_struct_end_p): New function.
5528 (idx_infer_loop_bounds): Use it.
5529 (estimate_numbers_of_iterations_loop): Export.
5530 * predict.c (predict_loops): Use estimated_loop_iterations_int.
5531 Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
5532 (tree_estimate_probability): Call record_loop_exits.
5533 * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
5534 (estimated_loop_iterations, estimated_loop_iterations_int,
5535 estimated_loop_iterations_tree): New functions.
5536 (analyze_siv_subscript_cst_affine,
5537 compute_overlap_steps_for_affine_1_2,
5538 analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
5539 (analyze_miv_subscript): Use estimated_loop_iterations_tree.
5540 * predict.def (PRED_LOOP_ITERATIONS): Update comment.
5541 (PRED_LOOP_ITERATIONS_GUESSED): New.
5542 * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
5543 * cfgloop.h (estimate_numbers_of_iterations_loop,
5544 estimated_loop_iterations_int): Declare.
5546 2007-02-25 Mark Mitchell <mark@codesourcery.com>
5548 * doc/extend.texi: Document optional priority argument to
5549 constructors and destructors.
5550 * tree.c (init_priority_for_decl): Adjust GTY markers.
5551 (init_ttree): Use priority-info hash functions for
5552 init_priority_for_decl.
5553 (tree_map_eq): Rename to ...
5554 (tree_map_base_eq): ... this.
5555 (tree_map_marked_p): Rename to ...
5556 (tree_map_base_marked_p): ... this.
5557 (tree_map_base_hash): New function.
5558 (decl_init_priority_lookup): Rework.
5559 (decl_fini_priority_lookup): New function.
5560 (decl_priority_info): New function.
5561 (decl_init_priority_insert): Use it.
5562 (decl_fini_priority_insert): Likewise.
5563 (decl_restrict_base_lookup): Adjust for refactoring of tree_map
5564 hierarchy.
5565 (decl_restrict_base_insert): Likewise.
5566 (decl_debug_expr_insert): Likewise.
5567 (decl_value_expr_lookup): Likewise.
5568 (decl_value_expr_insert): Likewise.
5569 * tree.h (priority_type): New type.
5570 (decl_init_priority_lookup): Use priority_type.
5571 (decl_fini_priority_lookup): New function.
5572 (decl_init_priority_insert): Use priority_type.
5573 (decl_fini_priority_insert): New function.
5574 (DECL_HAS_INIT_PRIORITY): Tweak comments.
5575 (DECL_INIT_PRIORITY): Likewise.
5576 (SET_DECL_INIT_PRIORITY): Add comment.
5577 (DECL_FINI_PRIORITY): New macro.
5578 (SET_DECL_FINI_PRIORITY): Likewise.
5579 (DEFAULT_INIT_PRIORITY): Document.
5580 (MAX_INIT_PRIORITY): Likewise.
5581 (MAX_RESERVED_INIT_PRIORITY): Likewise.
5582 (tree_map_base): New type.
5583 (tree_map_base_eq): New function.
5584 (tree_map_base_hash): Likewise.
5585 (tree_map_base_marked_p): Likewise.
5586 (tree_map): Inherit from tree_map_base.
5587 (tree_map_eq): Make it a macro.
5588 (tree_map_marked_p): Likewise.
5589 (tree_int_map): Inherit from tree_map_base.
5590 (tree_int_map_eq): Make it a macro.
5591 (tree_int_map_hash): Likewise.
5592 (tree_int_map_marked_p): Likewise.
5593 (tree_priority_map): New type.
5594 (tree_priority_map_eq): New macro.
5595 (tree_priority_map_hash): Likewise.
5596 (tree_priority_map_marked_p): Likewise.
5597 * varasm.c (emults_decl): Adjust for refactoring of tree_map
5598 hierarchy.
5599 (emutls_common_1): Likewise.
5600 * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
5601 * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
5602 of tree_map hierarchy.
5603 * tree-cfg.c (move_stmt_r): Likewise.
5604 (new_label_mapper): Likewise.
5605 * c-tree.h (c_expand_body): Move to ...
5606 * c-common.h (c_expand_body): ... here.
5607 * c-decl.c (c_expand_body): Move to ...
5608 * c-common.c (c_expand_body): ... here.
5609 (c_common_attribute_table): Allow 1 argument for the constructor
5610 and destructor attributes.
5611 (get_priority): New function.
5612 (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
5613 (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
5615 2007-02-24 Jan Hubicka <jh@suse.cz>
5617 PR middle-end/30509
5618 * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
5620 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
5621 Jan Hubicka <jh@suse.cz>
5623 PR target/30778
5624 * i386.c (counter_mode): New function.
5625 (expand_set_or_movmem_via_loop): Use it.
5626 (expand_movmem_epilogue): Likewise; fix pasto.
5627 (ix86_expand_movmem): Do emit guard even for constant counts.
5628 (ix86_expand_setmem): Likewise.
5630 2007-02-25 Nick Clifton <nickc@redhat.com>
5632 * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
5633 (JUMP_TABLES_IN_TEXT_SECTION): Define.
5635 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
5637 PR target/30770
5638 * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
5639 count argument with 0x10, not with 0x16.
5640 (expand_setmem_epilogue): Ditto.
5642 2007-02-24 Mike Stump <mrs@apple.com>
5644 * config/i386/i386.c (output_pic_addr_const): Stubify optimized
5645 symbols.
5647 2007-02-24 Richard Guenther <rguenther@suse.de>
5649 PR middle-end/30951
5650 * fold-const.c (fold_binary): Fold x +- CST op x for
5651 EQ_EXPR and NE_EXPR.
5653 2007-02-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5655 * pa.md (muldi3): Force subregs to registers in 64-bit expander.
5657 2007-02-24 Jan Hubicka <jh@suse.cz>
5659 * cgraphunit.c (decide_is_function_needed): Honor
5660 -fkeep-inline-functions.
5662 2007-02-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5664 * builtins.c (fold_builtin_modf): New.
5665 (fold_builtin_2): Use it.
5667 2007-02-24 Bernd Schmidt <bernd.schmidt@analog.com>
5669 * loop-iv.c (implies_p): Detect additional cases where A implies B.
5670 (determine_max_iter): Take additional LOOP arg; all callers changed.
5671 Lose broken logic dealing with PLUS. Try to limit the upper bound by
5672 one using simplifications.
5673 (simplify_using_initial_values): Return if the expression becomes
5674 invalid due to altered regs.
5676 2007-02-23 DJ Delorie <dj@redhat.com>
5678 * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
5680 2007-02-23 Mike Stump <mrs@apple.com>
5682 * tlink.c (scan_linker_output): Parse linker messages from
5683 darwin9's linker better.
5685 2007-02-23 Steve Ellcey <sje@cup.hp.com>
5687 PR debug/29614
5688 * varpool.c (varpool_assemble_pending_decls): Set
5689 varpool_last_needed_node to null.
5691 2007-02-23 DJ Delorie <dj@redhat.com>
5693 * config/i386/i386.c (ix86_data_alignment): Don't specify an
5694 alignment bigger than the object file can handle.
5696 2007-02-23 Uros Bizjak <ubizjak@gmail.com>
5698 PR target/30825
5699 * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
5700 zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
5701 (*movsf_1): Penalize MMX moves.
5703 2007-02-23 Bernd Schmidt <bernd.schmidt@analog.com>
5705 * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
5706 2^32-1 or more times unless flag_unsafe_loop_optimizations.
5708 * loop-iv.c (determine_max_iter): Moved in front of its sole user.
5710 2007-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5712 * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
5713 (fold_builtin_1): Use them.
5714 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
5715 BUILT_IN_SIGNIFICAND.
5717 2007-02-23 H.J. Lu <hongjiu.lu@intel.com>
5719 * config/i386/i386.c (bdesc_1arg): Initialize
5720 IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
5721 "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
5722 (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
5723 and IX86_BUILTIN_MOVSLDUP.
5725 2007-02-22 Paolo Bonzini <bonzini@gnu.org>
5727 PR rtl-optimization/30841
5728 * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
5730 2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5732 * builtins.c (fold_builtin_frexp): New.
5733 (fold_builtin_2): Use it.
5735 2007-02-22 Mark Mitchell <mark@codesourcery.com>
5737 * doc/invoke.texi (Spec Files): Document getenv spec function.
5739 * gcc.c (getenv_spec_function): New function.
5740 (static_spec_functions): Add it.
5741 * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
5742 (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
5743 header files.
5745 2007-02-22 Michael Matz <matz@suse.de
5747 PR c++/29433
5748 * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
5749 (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
5751 2007-02-22 Ian Lance Taylor <iant@google.com>
5753 PR debug/30898
5754 * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
5755 (mem_loc_descriptor): Call it.
5757 2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
5758 Ira Rosen <irar@il.ibm.com>
5760 * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
5762 2007-02-22 Ira Rosen <irar@il.ibm.com>
5764 PR tree-optimization/30843
5765 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
5766 stores only after all the group is vectorized.
5768 2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
5770 PR tree-optimization/30858
5771 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
5772 in the reduction cycle have a single use in the loop.
5773 * tree-vectorizer.h (relevant): Add documentation.
5775 2007-02-20 Mike Stump <mrs@apple.com>
5777 * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
5778 * configure: Regenerate.
5780 2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
5782 Change the defaults of some parameters and options.
5783 * config/spu/spu-protos.h (spu_optimization_options): Declare.
5784 * config/spu/spu.c (spu_optimization_options): Add.
5785 (spu_override_options): Change params in spu_optimization_options.
5786 * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
5788 Register 127 is only 16 byte aligned when used as a frame pointer.
5789 * config/spu/spu-protos.h (spu_init_expanders): Declare.
5790 * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
5791 HARD_FRAME_POINTER_REGNUM.
5792 (spu_legitimate_address): Use regno_aligned_for_reload.
5793 (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
5794 aligned when frame_pointer_needed is true.
5795 (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
5796 to 8 bits.
5797 * config/spu/spu.h (INIT_EXPANDERS): Define.
5799 Make sure shift and rotate instructions have valid immediate operands.
5800 * config/spu/predicates.md (spu_shift_operand): Remove.
5801 * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
5802 * config/spu/constraints.md (W, O): Extend range.
5803 * config/spu/spu.md (umask, nmask): Define.
5804 (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
5805 lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
5806 rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
5807 rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
5808 spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
5809 (lshr<mode>3_reg): Fix rtl description.
5811 Make sure mulhisi immediate operands are valid.
5812 * config/spu/predicates.md (imm_K_operand): Add.
5813 * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
5815 Generate constants using fsmbi and andi.
5816 * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
5817 (print_operand, spu_split_immediate, classify_immediate,
5818 fsmbi_const_p): Handle IC_FSMBI2.
5820 Correctly handle a CONST_VECTOR containing symbols.
5821 * config/spu/spu.c (print_operand): Handle HIGH correctly.
5822 (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
5823 (immediate_load_p): Allow symbols that use 2 instructions to create.
5824 (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
5825 with symbols when flag_pic is set.
5826 (const_vector_immediate_p): New.
5827 (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
5828 accept a CONST_VECTOR with symbols.
5829 (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
5830 accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
5831 correctly.
5832 * config/spu/spu.md (high, low): Delete.
5833 (low_<mode>): Define.
5835 Remove INTRmode and INTR_REGNUM, which didn't work.
5836 * config/spu/spu.c (spu_conditional_register_usage): Remove reference
5837 of INTR_REGNUM.
5838 * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
5839 set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
5840 peephole2 pattern): Don't use INTR or 131.
5841 (movintrcc): Delete.
5842 * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
5843 CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
5844 * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
5845 (UNSPEC_SET_INTR): Add.
5846 * config/spu/spu-modes.def (INTR): Remove.
5848 More accurate warnings about run-time relocations.
5849 * config/spu/spu.c (reloc_diagnostic): Test in_section.
5851 Correctly warn about immediate arguments to specific intrinsics.
5852 * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
5853 (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
5854 the instruction predicate.
5856 Fix tree check errors with latest update.
5857 * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
5858 CALL_EXPR_ARG.
5859 (spu_expand_builtin): Use CALL_EXPR_FN.
5861 Add missing specific intrinsics.
5862 * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
5863 si_bislede.
5864 * config/spu/spu_internals.h: Ditto.
5866 Fix incorrect operand modifiers.
5867 * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
5868 * config/spu/spu.md (xor<mode>3): Change %S to %J.
5870 Optimize one case of zero_extend of a vec_select.
5871 * config/spu/spu.md (_vec_extractv8hi_ze): Add.
5873 Accept any immediate for hbr.
5874 * config/spu/spu.md (hbr): Change s constraints to i.
5876 2007-02-21 Paul Brook <paul@codesourcery.com>
5878 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
5879 condexec_count when skipping USE and CLOBBER.
5881 2007-02-21 Nick Clifton <nickc@redhat.com>
5883 * common.opt (Warray-bounds): Add Warning attribute.
5884 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
5885 Likewise.
5886 (fsized-zeroes): Add Optimization attribute.
5887 (fsplit-wide-types, ftree-scev-cprop): Likewise.
5888 * c.opt (Wc++0x-compat): Add Warning attribute.
5890 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
5892 PR middle-end/30761
5893 * reload1.c (eliminate_regs_in_insn): In the single_set special
5894 case, attempt to re-recognize the insn before falling back to
5895 having reload fix it up.
5897 2007-02-20 Eric Christopher <echristo@gmail.com>
5899 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
5900 Rewrite accordingly.
5901 (frv_read_iacc_argument): Ditto.
5902 (frv_expand_set_builtin): Take a call instead of arglist, update for
5903 above changes.
5904 (frv_expand_unop_builtin): Ditto.
5905 (frv_expand_binop_builtin): Ditto.
5906 (frv_expand_cut_builtin): Ditto.
5907 (frv_expand_binopimm_builtin): Ditto.
5908 (frv_expand_voidbinop_builtin): Ditto.
5909 (frv_expand_int_void2arg): Ditto.
5910 (frv_expand_prefetches): Ditto.
5911 (frv_expand_voidtriop_builtin): Ditto.
5912 (frv_expand_voidaccop_builtin): Ditto.
5913 (frv_expand_load_builtin): Ditto.
5914 (frv_expand_store_builtin): Ditto.
5915 (frv_expand_mdpackh_builtin): Ditto.
5916 (frv_expand_mclracc_builtin): Ditto.
5917 (frv_expand_mrdacc_builtin): Ditto.
5918 (frv_expand_mwtacc_builtin): Ditto.
5919 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
5920 calls for above.
5922 2007-02-20 Janis Johnson <janis187@us.ibm.com>
5924 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
5925 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
5926 cmpb instruction.
5927 (HAVE_GAS_DFP): Check for assembler support of decimal floating
5928 point instructions.
5929 * configure: Regenerate.
5930 * config.in: Regenerate.
5931 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
5932 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
5933 masks to power6 and power6x and to POWERPC_MASKS.
5934 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5935 _ARCH_PWR6.
5936 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
5937 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
5938 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
5939 Access PROTOTYPE as variable, not mask.
5941 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
5943 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
5944 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
5945 * combine.c (adjust_for_new_dest): Use it.
5946 * postreload.c (reload_combine): Likewise.
5948 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
5950 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
5951 notes on an insn with multiple sets, even if single_set returns
5952 non-NULL for that insn.
5954 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5956 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
5957 scalbn and scalbln.
5959 2007-02-20 Geoffrey Keating <geoffk@apple.com>
5961 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
5962 if user didn't pass it.
5963 * config/i386/darwin.h (CC1_SPEC): Likewise.
5964 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
5965 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
5966 -mmacosx-version-min.
5968 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5969 Uros Bizjak <ubizjak@gmail.com>
5971 * optabs.h (enum optab_index): Add new OTI_scalb.
5972 (scalb_optab): Define corresponding macro.
5973 * optabs.c (init_optabs): Initialize scalb_optab.
5974 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
5975 patterns.
5976 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
5977 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
5978 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
5979 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
5980 flag_unsafe_math_optimizations is set.
5982 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
5983 to implement scalbf, scalb and scalbl built-ins as inline x87
5984 intrinsics.
5986 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5987 DJ Delorie <dj@redhat.com>
5989 PR other/30824
5990 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
5991 (diagnostic_report_diagnostic): ... here, and turn them into real
5992 errors. If warnings are inhibited, no need to do anything.
5994 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
5996 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
5997 better code generation.
5999 2007-02-20 Ben Elliston <bje@au.ibm.com>
6001 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
6003 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
6005 * config/alpha/alpha.c, config/alpha/alpha.md,
6006 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
6007 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
6008 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
6009 config/arm/lib1funcs.asm: Follow spelling conventions.
6011 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
6012 config/fr30/fr30.md, config/i386/i386.h,
6013 config/iq2000/iq2000.h, config/iq2000/predicates.md,
6014 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
6015 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
6016 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
6017 config/rs6000/altivec.md, config/rs6000/rs6000.c,
6018 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
6019 config/sparc/sparc.c, config/sparc/sparc.h,
6020 config/sparc/sparc.md, config/spu/constraints.md,
6021 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
6022 conventions.
6024 2007-02-20 Alan Modra <amodra@bigpond.net.au>
6026 PR target/29943
6027 * varasm.c (use_blocks_for_decl_p): Return false for decls with
6028 alias attribute.
6030 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
6032 * doc/invoke.texi (-ftree-lrs): Remove.
6034 2007-02-19 Diego Novillo <dnovillo@redhat.com>
6036 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
6037 NULL.
6039 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
6041 * config/ia64/ia64.c (ia64_expand_builtin): Use the
6042 new CALL_EXPR_FN macro for retrieving the function
6043 declaration of the input expression.
6045 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6047 * c.opt (Waddress): New.
6048 * common.opt (Walways-true): Delete.
6049 (Wstring-literal-comparison): Delete.
6050 * doc/invoke.texi (Warning Options): Delete -Walways-true and
6051 -Wstring-literal-comparison. Add -Waddress.
6052 (Waddress): New.
6053 (Walways-true): Delete.
6054 (Wstring-literal-comparison): Delete.
6055 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
6056 consistently instead of -Walways-true in example.
6057 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
6058 * c-typeck.c (parser_build_binary_op): Replace
6059 -Wstring-literal-comparison and -Walways-true with -Waddress.
6060 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
6061 with -Waddress.
6063 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
6065 * tree-cfg.c (dump_function_to_file): Be prepared for functions
6066 without DECL_STRUCT_FUNCTION initialized.
6068 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
6070 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
6071 due to calls to functions taking pointers as parameters.
6073 2007-02-19 Richard Henderson <rth@redhat.com>
6075 PR debug/29558
6076 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
6077 in memory.
6079 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
6081 * config/s390/s390.c (s390_call_saved_register_used,
6082 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
6083 accessed to the new scheme.
6085 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6087 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
6088 (cris_print_index, cris_print_operand, cris_print_operand_address)
6089 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
6090 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
6091 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
6092 GET_CODE () == xxx.
6093 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
6094 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
6095 GO_IF_LEGITIMATE_ADDRESS): Ditto.
6096 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
6097 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
6098 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
6099 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
6100 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
6101 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
6102 (uminsi3, call, call_value): Ditto.
6103 (define_split: indir_to_reg_split, unnamed): Ditto.
6105 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
6107 PR tree-optimization/30975
6108 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
6109 wrong assert.
6111 2007-02-18 Eric Christopher <echristo@gmail.com>
6113 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
6114 Remove use of arglist.
6115 (mips_expand_builtin): Remove use of arglist, pass in expr.
6116 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
6117 (mips_expand_builtin_movtf): Ditto.
6118 (mips_expand_builtin_compare): Ditto.
6120 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
6122 * tree-sra.c (sra_build_assignment): Replace assertion
6123 checking with a comment explaining why it can't be done.
6125 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
6127 PR middle-end/30833
6128 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
6129 during CALL_EXPR representation conversion.
6130 * tree-ssa-propagate.c (set_rhs): Likewise.
6132 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
6134 * tree-sra.c (sra_build_assignment): Disable assertion checking
6135 for now.
6137 2007-02-18 Roger Sayle <roger@eyesopen.com>
6139 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
6140 instead of calling build2 with a GIMPLE_MODIFY_STMT.
6141 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
6142 Likewise.
6143 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
6144 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
6145 gimplify_init_ctor_eval_range, gimple_push_cleanup,
6146 gimplify_omp_for, gimplify_omp_atomic_pipeline,
6147 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
6148 force_gimple_operand): Likewise.
6149 * ipa-cp.c (constant_val_insert): Likewise.
6150 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6151 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
6152 perfect_nestify): Likewise.
6153 * langhooks.c (lhd_omp_assignment): Likewise.
6154 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
6155 lower_copyprivate_clauses, lower_send_clauses,
6156 lower_send_shared_vars, expand_parallel_call,
6157 expand_omp_for_generic, expand_omp_for_static_nochunk,
6158 expand_omp_for_static_chunk, expand_omp_sections,
6159 lower_omp_single_copy, lower_omp_for_lastprivate,
6160 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
6161 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6162 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
6163 Likewise.
6165 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
6167 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
6168 config/sh/sh.md: Follow spelling conventions.
6170 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
6171 config/frv/predicates.md: Follow spelling conventions.
6173 * config/m68k/linux-unwind.h: Fix a comment typo.
6174 * target.h: Follow spelling conventions.
6176 2007-02-18 Roger Sayle <roger@eyesopen.com>
6178 PR rtl-optimization/28173
6179 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
6180 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
6181 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
6182 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
6183 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
6185 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6187 * builtins.c (fold_builtin_load_exponent): New.
6188 (fold_builtin_2): Use it.
6190 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
6192 PR rtl-optimization/30773
6193 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
6194 if we fail to attach a REG_EQUIV note.
6196 2007-02-18 David Edelsohn <edelsohn@gnu.org>
6197 Roger Sayle <roger@eyesopen.com>
6199 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
6201 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
6203 * calls.c (initialize_argument_information): Pass original EXP
6204 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
6205 code to split complex arguments here, as part of initializing the
6206 ARGS array.
6207 (expand_call): Remove code that builds a list of arguments and
6208 inserts implicit arguments into it. Instead, just count how many
6209 implicit arguments there will be so we can determine the size of
6210 the ARGS array, and let initialize_argument_information do the work.
6211 (split_complex_values): Delete unused function.
6213 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
6215 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
6217 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
6219 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
6220 for arg pointer based indexed addressing.
6222 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
6224 * config/ia64/ia64.h, config/ia64/ia64.md,
6225 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
6226 spelling conventions.
6228 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
6230 * config/m68k/m68k.c (split_di): New.
6231 * config/m68k/m68k-protos.h: Declare split_di.
6232 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
6233 Improve predicate handling and split constant shifts.
6235 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
6237 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
6238 parameter for register bitfield operations, general predicates
6239 cleanup
6241 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
6243 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
6244 * config/m68k/linux-unwind.h: New file.
6246 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
6248 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
6249 config/i386/athlon.md, config/ia64/ia64.md,
6250 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
6251 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
6252 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
6253 tree-ssa-loop-niter.c, tree-vect-analyze.c,
6254 tree-vect-transform.c: Fix comment typos.
6256 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
6258 * sched-deps.c (find_insn_list): Remove.
6259 * sched-int.h: Remove the prototype for find_insn_list.
6261 2007-02-16 Geoffrey Keating <geoffk@apple.com>
6263 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
6264 to linker.
6265 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
6266 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
6267 darwin_rs6000_override_options.
6268 (C_COMMON_OVERRIDE_OPTIONS): Expect
6269 darwin_macosx_version_min to be non-NULL always.
6270 (TARGET_C99_FUNCTIONS): Likewise.
6271 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
6272 (DARWIN_MINVERSION_SPEC): New.
6273 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
6274 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
6275 to cc1*.
6276 (DARWIN_MINVERSION_SPEC): New.
6277 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
6278 value.
6279 * config/darwin-c.c (darwin_cpp_builtins): Expect
6280 darwin_macosx_version_min to be non-NULL always.
6282 * config/rs6000/rs6000.c: Clean up trailing whitespace.
6284 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
6286 * config/i386/i386.h (x86_use_xchgb): New.
6287 (TARGET_USE_XCHGB): New macro.
6288 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
6289 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
6290 Split after reload into bswaphi for shifts of 8.
6291 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
6292 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
6293 or when optimizing for size.
6295 2007-02-16 Richard Guenther <rguenther@suse.de>
6296 Christian Bruel <christian.bruel@st.com>
6298 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
6299 DECLs but prefer SSA_NAMEs over DECLs.
6301 2007-02-16 Richard Guenther <rguenther@suse.de>
6303 * tree-flow-inline.h (single_imm_use_p): Remove.
6304 (zero_imm_uses_p): Likewise.
6305 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
6306 instead of single_imm_use_p.
6307 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
6308 zero_imm_uses_p.
6310 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6312 PR other/27843
6313 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
6314 nested double- and backquotes.
6316 2007-02-15 Roger Sayle <roger@eyesopen.com>
6318 PR middle-end/30391
6319 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
6320 should be unreachable.
6321 (build2_stat): Allow construction of MODIFY_EXPR at any time.
6322 For the time being redirect GIMPLE_MODIFY_STMT to the new
6323 (renamed) build_gimple_modify_stmt_stat.
6324 (build2_gimple_stat): Rename to...
6325 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
6326 Always build a GIMPLE_MODIFY_STMT node.
6327 * tree.h (build2_gimple, build2_gimple_stat): Delete.
6328 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
6329 declarations.
6331 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
6332 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
6333 * tree-complex.c (set_component_ssa_name, expand_complex_move,
6334 expand_complex_div_wide): Likewise.
6335 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
6336 * tree-ssa-loop-im.c (schedule_sm): Likewise.
6337 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
6338 * tree-ssa-loop-manip.c (create_iv): Likewise.
6339 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
6340 abs_replacement): Likewise.
6341 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
6342 realify_fake_stores): Likewise.
6344 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
6345 node rather than a GIMPLE_MODIFY_STMT node.
6346 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
6347 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
6348 Likewise.
6349 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
6350 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
6351 GIMPLE_MODIFY_STMT.
6353 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
6355 PR middle-end/30433
6356 * fold-const.c (fold_comparison): Add back the
6357 folding of constant complex comparisions.
6359 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
6361 PR middle-end/30729
6362 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
6363 effects unknown to this function, return early.
6365 2007-02-15 Ian Lance Taylor <iant@google.com>
6367 * lower-subreg.c (move_eh_region_note): New static function.
6368 (resolve_simple_move): Call it.
6369 (decompose_multiword_subregs): Track blocks for which we resolve a
6370 simple move which is also a control flow insn. Pass them to
6371 find_many_sub_basic_blocks.
6372 (pass_lower_subreg): Add TODO_verify_flow.
6373 (pass_lower_subreg2): Likewise.
6375 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
6376 Brooks Moses <brooks.moses@codesourcery.com>
6377 Lee Millward <lee.millward@codesourcery.com>
6379 * tree.h (enum tree_code_class): Add tcc_vl_exp.
6380 (VL_EXP_CLASS_P): New.
6381 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
6382 TREE_CODE_LENGTH.
6383 (TREE_OPERAND_CHECK_CODE): Likewise.
6384 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
6385 (TREE_RTL_OPERAND_CHECK): Likewise.
6386 (tree_operand_check_failed): Make second parameter the whole tree
6387 instead of its code. Fixed callers.
6388 (VL_EXP_CHECK): New.
6389 (TREE_OPERAND_LENGTH): New.
6390 (VL_EXP_OPERAND_LENGTH): New.
6391 (CALL_EXPR_FN): New.
6392 (CALL_EXPR_STATIC_CHAIN): New.
6393 (CALL_EXPR_ARGS): New.
6394 (CALL_EXPR_ARG): New.
6395 (call_expr_nargs): New.
6396 (CALL_EXPR_ARGP): New.
6397 (build_nt_call_list): Declare.
6398 (build_vl_exp_stat): Declare.
6399 (build_vl_exp): New.
6400 (build_call_list): Declare.
6401 (build_call_nary): Declare.
6402 (build_call_valist): Declare.
6403 (build_call_array): Declare.
6404 (call_expr_arg): Declare.
6405 (call_expr_argp): Declare.
6406 (call_expr_arglist): Declare.
6407 (fold_build_call_list): Declare.
6408 (fold_build_call_list_initializer): Declare.
6409 (fold_call_expr): Declare to replace fold_builtin.
6410 (fold_builtin_fputs): Update to agree with modified definition.
6411 (fold_builtin_strcpy): Likewise.
6412 (fold_builtin_strncpy): Likewise.
6413 (fold_builtin_memory_chk): Likewise.
6414 (fold_builtin_stxcpy_chk): Likewise.
6415 (fold_builtin_strncpy_chk): Likewise.
6416 (fold_builtin_next_arg): Likewise.
6417 (fold_build_call_expr): Declare.
6418 (fold_builtin_call_list): Declare.
6419 (fold_builtin_call_valist): Declare.
6420 (build_call_expr): Declare.
6421 (validate_arglist): Update to agree with modified definition.
6422 (tree_operand_length): New.
6423 (call_expr_arg_iterator): New.
6424 (init_call_expr_arg_iterator): New.
6425 (next_call_expr_arg): New.
6426 (first_call_expr_arg): New.
6427 (more_call_expr_args_p): New.
6428 (FOR_EACH_CALL_EXPR_ARG): New.
6430 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
6431 and tcc_gimple_stmt.
6432 (tree_code_size): Update documentation. Use sizeof (tree) rather
6433 than sizeof (char *).
6434 (tree_size): Likewise. Add case for tcc_vl_exp.
6435 (tree_node_structure): Add case for tcc_vl_exp.
6436 (contains_placeholder_p): Likewise.
6437 (substitute_in_expr): Likewise.
6438 (substitute_placeholder_in_expr): Likewise.
6439 (stabilize_reference_1): Likewise.
6440 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
6441 to diagnose breakage of this interface for constructing CALL_EXPRs.
6442 (build_nt): Add similar assertion here.
6443 (build_nt_call_list): New.
6444 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
6445 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
6446 TREE_CODE_LENGTH.
6447 (get_callee_fndecl): Use new CALL_EXPR accessors.
6448 (tree_operand_check_failed): Change parameters to pass entire node
6449 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
6450 (process_call_operands): New.
6451 (build_vl_exp_stat): New.
6452 (build_call_list): New.
6453 (build_call_nary): New.
6454 (build_call_valist): New.
6455 (build_call_array): New.
6456 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6457 (call_expr_arglist): New.
6459 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
6460 tcc_vl_exp instead of a fixed-size tcc_expression.
6462 * doc/c-tree.texi (CALL_EXPR): Document new representation and
6463 accessors for CALL_EXPRs.
6464 (AGGR_INIT_EXPR): Likewise.
6466 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
6467 Brooks Moses <brooks.moses@codesourcery.com>
6468 Lee Millward <lee.millward@codesourcery.com>
6470 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
6471 (expand_builtin_nonlocal_goto): Change parameter to be entire
6472 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
6473 (expand_builtin_prefetch): Likewise.
6474 (expand_builtin_classify_type): Likewise.
6475 (mathfn_built_in): Return NULL_TREE instead of 0.
6476 (expand_errno_check): Use new CALL_EXPR accessors.
6477 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
6478 Return NULL_RTX instead of 0.
6479 (expand_builtin_mathfn_2): Likewise.
6480 (expand_builtin_mathfn_3): Likewise.
6481 (expand_builtin_interclass_mathfn): Likewise.
6482 (expand_builtin_sincos): Likewise.
6483 (expand_builtin_cexpi): Likewise.
6484 (expand_builtin_int_roundingfn): Likewise.
6485 (expand_builtin_int_roundingfn_2): Likewise.
6486 (expand_builtin_pow): Likewise.
6487 (expand_builtin_powi): Likewise.
6488 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
6489 of arglist, fixing callers appropriately. Use new CALL_EXPR
6490 accessors and constructors. Return NULL_RTX instead of 0.
6491 (expand_builtin_strstr): Likewise.
6492 (expand_builtin_strchr): Likewise.
6493 (expand_builtin_strrchr): Likewise.
6494 (expand_builtin_strpbrk): Likewise.
6495 (expand_builtin_memcpy): Likewise.
6496 (expand_builtin_mempcpy): Likewise.
6497 (expand_builtin_mempcpy_args): New.
6498 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
6499 (expand_builtin_memmove_args): New.
6500 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
6501 (expand_movstr): Likewise.
6502 (expand_builtin_strcpy): Likewise.
6503 (expand_builtin_strcpy_args): New.
6504 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
6505 (expand_builtin_strncpy): Likewise.
6506 (expand_builtin_memset): Likewise.
6507 (expand_builtin_memset_args): New.
6508 (expand_builtin_bzero): Similarly to expand_builtin_memset.
6509 (expand_builtin_memcmp): Likewise.
6510 (expand_builtin_strcmp): Likewise.
6511 (expand_builtin_strncmp): Likewise.
6512 (expand_builtin_strcat): Likewise.
6513 (expand_builtin_strncat): Likewise.
6514 (expand_builtin_strspn): Likewise.
6515 (expand_builtin_strcspn): Likewise.
6516 (expand_builtin_args_info): Likewise.
6517 (expand_builtin_va_start): Likewise.
6518 (gimplify_va_arg_expr): Likewise.
6519 (expand_builtin_va_end): Likewise.
6520 (expand_builtin_va_copy): Likewise.
6521 (expand_builtin_frame_address): Likewise.
6522 (expand_builtin_alloca): Likewise.
6523 (expand_builtin_bswap): Likewise.
6524 (expand_builtin_unop): Likewise.
6525 (expand_builtin_fputs): Likewise.
6526 (expand_builtin_expect): Likewise.
6527 (expand_builtin_fabs): Likewise.
6528 (expand_builtin_copysign): Likewise.
6529 (expand_builtin_printf): Likewise.
6530 (expand_builtin_fprintf): Likewise.
6531 (expand_builtin_sprintf): Likewise.
6532 (expand_builtin_init_trampoline): Likewise.
6533 (expand_builtin_signbit): Likewise.
6534 (expand_builtin_fork_or_exec): Likewise.
6535 (expand_builtin_sync_operation): Likewise.
6536 (expand_builtin_compare_and_swap): Likewise.
6537 (expand_builtin_lock_test_and_set): Likewise.
6538 (expand_builtin_lock_release): Likewise.
6539 (expand_builtin): Likewise.
6540 (builtin_mathfn_code): Likewise.
6542 (fold_builtin_constant_p): Pass call arguments individually instead
6543 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
6544 accessors and constructors. Return NULL_TREE instead of 0.
6545 (fold_builtin_expect): Likewise.
6546 (fold_builtin_classify_type): Likewise.
6547 (fold_builtin_strlen): Likewise.
6548 (fold_builtin_nan): Likewise.
6549 (integer_valued_real_p): Likewise.
6550 (fold_trunc_transparent_mathfn): Likewise.
6551 (fold_fixed_mathfn): Likewise.
6552 (fold_builtin_cabs): Likewise.
6553 (fold_builtin_sqrt): Likewise.
6554 (fold_builtin_cbrt): Likewise.
6555 (fold_builtin_cos): Likewise.
6556 (fold_builtin_cosh): Likewise.
6557 (fold_builtin_tan): Likewise.
6558 (fold_builtin_sincos): Likewise.
6559 (fold_builtin_cexp): Likewise.
6560 (fold_builtin_trunc): Likewise.
6561 (fold_builtin_floor): Likewise.
6562 (fold_builtin_ceil): Likewise.
6563 (fold_builtin_round): Likewise.
6564 (fold_builtin_int_roundingfn): Likewise.
6565 (fold_builtin_bitop): Likewise.
6566 (fold_builtin_bswap): Likewise.
6567 (fold_builtin_logarithm): Likewise.
6568 (fold_builtin_hypot): Likewise.
6569 (fold_builtin_pow): Likewise.
6570 (fold_builtin_powi): Likewise.
6571 (fold_builtin_exponent): Likewise.
6572 (fold_builtin_memset): Likewise.
6573 (fold_builtin_bzero): Likewise.
6574 (fold_builtin_memory_op): Likewise.
6575 (fold_builtin_bcopy): Deleted; call site changed to invoke
6576 fold_builtin_memory_op directly.
6577 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
6578 (fold_builtin_strncpy): Likewise.
6579 (fold_builtin_memcmp): Likewise.
6580 (fold_builtin_strcmp): Likewise.
6581 (fold_builtin_strncmp): Likewise.
6582 (fold_builtin_signbit): Likewise.
6583 (fold_builtin_copysign): Likewise.
6584 (fold_builtin_isascii): Likewise.
6585 (fold_builtin_toascii): Likewise.
6586 (fold_builtin_isdigit): Likewise.
6587 (fold_builtin_fabs): Likewise.
6588 (fold_builtin_abs): Likewise.
6589 (fold_builtin_fmin_fmax): Likewise.
6590 (fold_builtin_carg): Likewise.
6591 (fold_builtin_classify): Likewise.
6592 (fold_builtin_unordered_cmp): Likewise.
6594 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
6595 New functions split out from fold_builtin_1.
6596 (fold_builtin_n): New.
6597 (fold_builtin_varargs): New.
6598 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
6599 instead.
6600 (fold_call_expr): New.
6601 (build_function_call_expr): Rewrite to use new helper function.
6602 (fold_builtin_call_list): New.
6603 (build_call_expr): New.
6604 (fold_builtin_call_valist): New.
6605 (rewrite_call_expr): New.
6606 (validate_arg): New.
6607 (validate_arglist): Change parameter to be entire CALL_EXPR instead
6608 of an arglist. Change return type to bool. Use new CALL_EXPR
6609 accessors.
6611 (fold_builtin_strstr): Pass call arguments individually instead
6612 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
6613 accessors and constructors. Return NULL_TREE instead of 0.
6614 (fold_builtin_strchr): Likewise.
6615 (fold_builtin_strrchr): Likewise.
6616 (fold_builtin_strpbrk): Likewise.
6617 (fold_builtin_strcat): Likewise.
6618 (fold_builtin_strncat): Likewise.
6619 (fold_builtin_strspn): Likewise.
6620 (fold_builtin_strcspn): Likewise.
6621 (fold_builtin_fputs): Likewise.
6622 (fold_builtin_next_arg): Likewise.
6623 (fold_builtin_sprintf): Likewise.
6625 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
6626 NULL_RTX instead of 0.
6627 (expand_builtin_memory_chk): Likewise.
6628 (maybe_emit_chk_warning): Likewise.
6629 (maybe_emit_sprintf_chk_warning): Likewise.
6631 (fold_builtin_object_size): Pass call arguments individually instead
6632 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
6633 accessors and constructors. Return NULL_TREE instead of 0.
6634 (fold_builtin_memory_chk): Likewise.
6635 (fold_builtin_stxcpy_chk): Likewise.
6636 (fold_builtin_strncpy_chk): Likewise.
6637 (fold_builtin_strcat_chk): Likewise.
6638 (fold_builtin_strcat_chk): Likewise.
6639 (fold_builtin_strncat_chk): Likewise.
6640 (fold_builtin_sprintf_chk): Likewise.
6641 (fold_builtin_snprintf_chk): Likewise.
6642 (fold_builtin_printf): Likewise.
6643 (fold_builtin_vprintf): Likewise.
6645 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
6646 constructors.
6647 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
6648 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6649 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
6650 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
6651 (fold_unary): Likewise.
6652 (fold_binary): Likewise.
6653 (fold_ternary): Remove CALL_EXPR case, since they are no longer
6654 ternary expressions.
6655 (fold): Add logic for tcc_vl_exp.
6656 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
6657 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6658 (fold_build3_stat): Add assertion to flag broken interface for
6659 constructing CALL_EXPRs.
6660 (fold_build_call_list): New.
6661 (fold_build_call_list_initializer): New.
6662 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
6663 constructors.
6664 (fold_strip_sign_ops): Likewise.
6666 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
6667 Brooks Moses <brooks.moses@codesourcery.com>
6668 Lee Millward <lee.millward@codesourcery.com>
6670 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
6671 accessors and dump arguments explicitly.
6673 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
6674 TREE_CODE_LENGTH.
6675 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
6676 explicitly.
6677 (print_call_name): Use new CALL_EXPR accessors.
6679 * print-tree.c (print_node): Add case tcc_vl_exp. Print
6680 CALL_EXPR arguments explicitly instead of as a list. Use
6681 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6683 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
6684 (vrp_visit_stmt): Likewise.
6686 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
6687 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
6688 TREE_CODE_LENGTH.
6689 (force_move_till_expr): Likewise.
6691 * targhooks.c (default_external_stack_protect_fail): Use
6692 build_call_expr instead of build_function_call_expr.
6693 (default_hidden_stack_protect_fail): Likewise.
6695 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
6696 build the call.
6698 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
6699 and walk arguments explicitly.
6701 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
6702 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6703 (expand_simple_operations): Likewise.
6704 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
6706 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
6707 of TREE_CODE_LENGTH.
6708 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
6710 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
6711 instead of TREE_CODE_LENGTH.
6713 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
6714 (tree_ic_transform): Likewise.
6715 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
6716 parameter instead of arglist. Fix callers.
6717 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
6718 (tree_stringops_transform): Likewise.
6719 (tree_indirect_call_to_profile): Likewise.
6720 (tree_stringops_values_to_profile): Likewise.
6722 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
6723 (eliminate_tail_call): Likewise.
6725 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
6727 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
6728 Use TREE_OPERAND_LENGTH and generalize to handle any number of
6729 operands.
6730 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
6732 * omp-low.c (build_omp_barrier): Use build_call_expr.
6733 (lower_rec_input_clauses): Likewise.
6734 (lower_reduction_clauses): Likewise.
6735 (expand_parallel_call): Likewise.
6736 (maybe_catch_exception): Likewise.
6737 (expand_omp_for_generic): Likewise.
6738 (expand_omp_for_static_nochunk): Likewise.
6739 (expand_omp_sections): Likewise.
6740 (lower_omp_single_simple): Likewise.
6741 (lower_omp_single_copy): Likewise.
6742 (lower_omp_master): Likewise.
6743 (lower_omp_ordered): Likewise.
6744 (lower_omp_critical): Likewise.
6746 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
6747 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
6749 * tree-gimple.c (is_gimple_call_addr): Fix doc.
6750 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
6751 TREE_CODE_LENGTH. Add tcc_vl_exp case.
6753 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
6754 and generalize to handle any number of operands.
6755 (chrec_contains_undetermined): Likewise.
6756 (tree_contains_chrecs): Likewise.
6757 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
6759 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
6761 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
6762 fold_call_expr instead of fold_builtin.
6763 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
6764 match declarations there.
6765 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
6766 updates.
6768 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
6769 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6771 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
6772 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
6774 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
6775 accessors.
6777 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
6778 (execute_cse_sincos): Use new CALL_EXPR accessors.
6780 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
6782 * gimple-low.c (lower_function_body): Use build_call_expr.
6783 (lower_builtin_setjmp): Likewise.
6785 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
6786 (set_storage_via_libcall): Likewise.
6787 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
6788 instead of TREE_CODE_LENGTH.
6789 (expand_expr_real_1): Use new CALL_EXPR accessors.
6791 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
6792 generalize to handle any number of operands.
6793 (TB_parent_eq): Likewise.
6795 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
6796 (strip_builtin_expect): Likewise.
6798 * function.c (gimplify_parameters): Use build_call_expr.
6800 * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
6801 instead of TREE_CODE_LENGTH.
6803 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
6804 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
6806 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
6807 iterators.
6809 * gimplify.c (build_stack_save_restore): Use build_call_expr.
6810 (gimplify_decl_expr): Likewise.
6811 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
6812 Use new CALL_EXPR iterators.
6813 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
6814 (gimplify_modify_expr_to_memset): Likewise.
6815 (gimplify_variable_sized_compare): Likewise.
6816 (gimplify_omp_atomic_fetch_op): Likewise.
6817 (gimplify_omp_atomic_pipeline): Likewise.
6818 (gimplify_omp_atomic_mutex): Likewise.
6819 (gimplify_function_tree): Likewise.
6821 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
6822 (call_expr_flags): Likewise.
6823 (expand_call): Likewise.
6825 * except.c (expand_builtin_eh_return_data_regno): Pass entire
6826 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
6827 accessors.
6829 * coverage.c (create_coverage): Use build_call_expr.
6831 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
6832 (temp_call_expr_obstack): New.
6833 (pool_copy_list): Delete.
6834 (temp_copy_call_expr): New.
6835 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
6836 CALL_EXPR accessors. Get rid of special goo for copying argument
6837 lists and use temp_copy_call_expr instead.
6838 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
6839 CALL_EXPR accessors.
6840 (create_expression_by_pieces): Likewise. Use build_call_array
6841 to construct the result instead of fold_build3.
6842 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
6843 dealing with argument lists.
6844 (init_pre): Remove references to expression_node_pool and
6845 list_node_pool. Init temp_call_expr_obstack instead.
6846 (fini_pre): Remove references to expression_node_pool and
6847 list_node_pool.
6849 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
6850 and walk arguments explicitly instead of as a list.
6852 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
6853 (mx_register_decls): Likewise.
6854 (mudflap_register_call): Likewise.
6855 (mudflap_finish_file): Likewise.
6857 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
6858 (ipa_callsite_compute_param): Likewise.
6860 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
6861 accessors and constructor.
6863 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
6864 accessors and constructor.
6865 (convert_tramp_reference): Likewise.
6866 (convert_call_expr): Likewise.
6867 (finalize_nesting_tree_1): Likewise.
6869 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
6870 accessors.
6872 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
6874 * tree-inline.c (initialize_inlined_parameters): Pass entire
6875 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
6876 accessors.
6877 (estimate_num_insns_1): Use new CALL_EXPR accessors.
6878 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
6880 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
6881 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6882 (vectorizable_reduction): Likewise.
6883 (vectorizable_call): Use new CALL_EXPR iterators.
6884 (vectorizable_conversion): Use build_call_expr.
6885 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
6886 (vect_gen_widened_results_half): Use build_call_expr.
6887 (vect_setup_realignment): Likewise.
6888 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
6890 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
6891 (pass_through_call): Likewise.
6892 (compute_object_sizes): Likewise. Use fold_call_expr instead of
6893 fold_builtin.
6895 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
6896 (tree_gen_pow2_profiler): Likewise.
6897 (tree_gen_one_value_profiler): Likewise.
6898 (tree_gen_ic_func_profiler): Likewise.
6899 (tree_gen_average_profiler): Likewise.
6900 (tree_gen_ior_profiler): Likewise.
6902 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
6903 (find_func_aliases): Use new CALL_EXPR accessors. Add case
6904 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6906 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
6907 of TREE_CODE_LENGTH.
6909 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
6910 of TREE_CODE_LENGTH.
6912 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
6913 constructor.
6914 (convert_to_integer): Likewise.
6916 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
6917 accessors.
6919 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
6920 Brooks Moses <brooks.moses@codesourcery.com>
6921 Lee Millward <lee.millward@codesourcery.com>
6923 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
6924 accessors.
6925 * config/frv/frv.c (frv_expand_builtin): Likewise.
6926 * config/s390/s390.c (s390_expand_builtin): Likewise.
6928 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
6929 (sparc_expand_builtin): Use new CALL_EXPR accessors.
6931 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
6932 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
6933 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
6934 (ix86_expand_store_builtin): Likewise.
6935 (ix86_expand_unop_builtin): Likewise.
6936 (ix86_expand_unop1_builtin): Likewise.
6937 (ix86_expand_sse_compare): Likewise.
6938 (ix86_expand_sse_comi): Likewise.
6939 (ix86_expand_vec_init_builtin): Likewise.
6940 (ix86_expand_vec_ext_builtin): Likewise.
6941 (ix86_expand_vec_set_builtin): Likewise.
6942 (ix86_expand_builtin): Use new CALL_EXPR accessors.
6944 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
6945 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
6947 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
6948 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
6949 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
6951 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
6952 build_call_expr.
6953 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
6954 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
6955 arglist. Use new CALL_EXPR accessors. Fix callers.
6956 (altivec_expand_abs_builtin): Likewise.
6957 (rs6000_expand_binop_builtin): Likewise.
6958 (altivec_expand_predicate_builtin): Likewise.
6959 (altivec_expand_lv_builtin): Likewise.
6960 (spe_expand_stv_builtin): Likewise.
6961 (altivec_expand_stv_builtin): Likewise.
6962 (rs6000_expand_ternop_builtin): Likewise.
6963 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
6964 (altivec_expand_st_builtin): Likewise.
6965 (altivec_expand_dst_builtin): Likewise.
6966 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
6967 arglist. Use new CALL_EXPR accessors. Fix callers.
6968 (altivec_expand_vec_set_builtin): Likewise.
6969 (altivec_expand_vec_ext_builtin): Likewise.
6970 (altivec_expand_builtin): Use new CALL_EXPR accessors.
6971 (spe_expand_builtin): Likewise.
6972 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
6973 arglist. Use new CALL_EXPR accessors. Fix callers.
6974 (spe_expand_evsel_builtin): Likewise.
6975 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
6976 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
6978 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
6979 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
6980 (arm_expand_unop_builtin): Likewise.
6981 (arm_expand_builtin): Use new CALL_EXPR accessors.
6983 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
6984 accessors.
6986 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
6987 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
6988 (bfin_expand_unop_builtin): Likewise.
6989 (bfin_expand_builtin): Use new CALL_EXPR accessors.
6991 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
6992 Brooks Moses <brooks.moses@codesourcery.com>
6993 Lee Millward <lee.millward@codesourcery.com>
6995 * c-semantics.c (build_stmt): Add internal diagnostic check.
6997 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
6998 accessors. Print arguments explicitly instead of as a list.
7000 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
7002 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
7003 (c_finish_omp_flish): Likewise.
7005 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
7006 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
7007 instead of TREE_CODE_LENGTH.
7008 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
7009 (c_warn_unused_result): Likewise.
7011 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7013 PR c/26494
7014 * doc/invoke.texi (Warning Options): Remove
7015 -Werror-implicit-function-declaration.
7016 (Wimplicit-function-declaration): Update description.
7017 * opts.c (common_handle_option): Move handling of -Werror=* to...
7018 (enable_warning_as_error): ...here.
7019 * opts.h (enable_warning_as_error): Declare.
7020 * c-decl.c (implicit_decl_warning): Unless
7021 -Wno-implicit-function-declaration is given, emit a pedwarn if
7022 -std=c99 or emit a warning if -Wimplicit-function-declaration.
7023 * c.opt (Wimplicit-function-declaration): Replace
7024 mesg_implicit_function_declaration with
7025 warn_implicit_function_declaration.
7026 * c-opts.c (c_common_handle_option):
7027 -Werror-implicit-function-declaration is exactly equal as
7028 -Werror=implicit-function-declaration.
7029 (set_Wimplicit): Replace mesg_implicit_function_declaration with
7030 warn_implicit_function_declaration.
7031 (c_common_post_options): -Wimplict-function-declaration is enabled
7032 by default by -std=c99, otherwise is disabled by default.
7033 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
7035 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
7037 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
7038 DECL on the rhs to a DECL on the lhs for debug info purposes if the
7039 former is ignored but not the latter.
7041 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
7043 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
7044 is made and the reference doesn't use the alias set of its type,
7045 do not create the temporary using that type.
7047 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
7049 * jump.c: Remove prototypes for delete_computation and
7050 delete_prior_computation.
7052 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
7054 * jump.c (get_label_after): Delete.
7055 (get_label_before, delete_computation, delete_jump,
7056 delete_prior_computation, follow_jumps): Move...
7057 * reorg.c (delete_computation, delete_prior_computation): ... here...
7058 (get_label_before, delete_jump): ... making these static ...
7059 (follow_jumps): ... and simplifying this since it only runs after
7060 reload.
7061 * rtl.h (get_label_after, get_label_before, delete_jump,
7062 follow_jumps): Delete prototypes.
7064 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
7066 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
7068 2007-02-15 Nick Clifton <nickc@redhat.com>
7070 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
7071 order to prevent it from being munged by the target.
7073 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
7075 * config/i386/i386.md: Remove misleading comment.
7077 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
7079 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
7080 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
7081 invalid patterns.
7083 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
7085 * tree-sra.c (instantiate_missing_elements): Canonicalize
7086 bit-field types.
7087 (sra_build_assignment): New.
7088 (generate_copy_inout, generate_element_copy,
7089 generate_element_zero, generate_one_element_init): Use it.
7091 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
7093 * tree-sra.c (instantiate_missing_elements): Canonicalize
7094 bit-field types.
7095 (sra_build_assignment): New.
7096 (generate_copy_inout, generate_element_copy,
7097 generate_element_zero, generate_one_element_init): Use it.
7099 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
7101 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
7102 limbo die nodes.
7104 2007-02-14 Joseph Myers <joseph@codesourcery.com>
7106 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
7107 types as aggregates not scalars.
7108 * function.c (assign_stack_temp_for_type): Likewise.
7110 2007-02-14 Roger Sayle <roger@eyesopen.com>
7111 Zdenek Dvorak <dvorakz@suse.cz>
7113 * tree-dump.c (dump_switch_p_1): Require exact match of the option
7114 name.
7116 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7118 * passes.c (next_pass_1): Clear the next field of the copied
7119 pass structure.
7121 2007-02-14 Richard Henderson <rth@redhat.com>
7123 * tree-sra.c (early_sra): New.
7124 (decl_can_be_decomposed_p): Deny va_list if early_sra.
7125 (tree_sra_early, pass_sra_early): New.
7126 * tree-pass.h (pass_sra_early): Declare.
7127 * passes.c (init_optimization_passes): Use it.
7129 2007-02-14 Richard Guenther <rguenther@suse.de>
7131 * flags.h (issue_strict_overflow_warning): Convert to a macro.
7133 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
7135 PR tree-optimization/30771
7136 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
7137 also phi nodes.
7138 (vect_analyze_operations): Induction phis can now be marked as
7139 used_in_loop.
7140 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
7141 Update documentation accordingly.
7143 2007-02-14 Nick Clifton <nickc@redhat.com>
7145 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
7146 most 3 arguments are supported.
7147 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
7149 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
7151 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
7152 Ensure dst->current is valid.
7154 2007-02-13 Paul Brook <paul@codesourcery.com>
7156 * config.gcc: Add arm*-*-uclinux-*eabi.
7157 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
7158 (SUBTARGET_EXTRA_LINK_SPEC): Define.
7159 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
7160 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
7161 (LINK_SPEC): Define.
7162 (LIB_SPEC): Define.
7163 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
7164 register.
7165 * config/arm/uclinux-eabi.h: New file.
7166 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
7167 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
7168 based targets.
7170 2007-02-13 Ian Lance Taylor <iant@google.com>
7172 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
7173 * flags.h (warn_strict_overflow): Declare.
7174 (enum warn_strict_overflow_code): Define.
7175 (issue_strict_overflow_warning): New static inline function.
7176 * opts.c (warn_strict_overflow): New variable.
7177 (common_handle_option): Handle OPT_Wstrict_overflow and
7178 OPT_Wstrict_overflow_.
7179 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
7180 OPT_Wall.
7181 * fold-const.c: Include intl.h.
7182 (fold_deferring_overflow_warnings): New static variable.
7183 (fold_deferred_overflow_warning): New static variable.
7184 (fold_deferred_overflow_code): New static variable.
7185 (fold_defer_overflow_warnings): New function.
7186 (fold_undefer_overflow_warnings): New function.
7187 (fold_undefer_and_ignore_overflow_warnings): New function.
7188 (fold_deferring_overflow_warnings_p): New function.
7189 (fold_overflow_warning): New static function.
7190 (make_range): Add strict_overflow_p parameter. Change all
7191 callers.
7192 (extract_muldiv, extract_muldiv_1): Likewise.
7193 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
7194 tree_expr_nonnegative_p.
7195 (fold_negate_expr): Call fold_overflow_warning.
7196 (fold_range_test): Likewise.
7197 (fold_comparison): Likewise.
7198 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
7199 instead of tree_expr_nonnegative_p.
7200 (tree_expr_nonnegative_warnv_p): Rename from
7201 tree_expr_nonnegative_p, add strict_overflow_p parameter.
7202 (tree_expr_nonnegative_p): New function.
7203 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
7204 strict_overflow_p parameter.
7205 (tree_expr_nonzero_p): New function.
7206 * passes.c (verify_interpass_invariants): New static function.
7207 (execute_one_pass): Call it.
7208 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
7209 warnings.
7210 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
7211 (estimate_numbers_of_iterations): Likewise.
7212 (scev_probably_wraps_p): Likewise.
7213 * tree-ssa-ccp.c: Include "toplev.h".
7214 (evaluate_stmt): Defer fold overflow warnings until we know we are
7215 going to optimize.
7216 (struct fold_stmt_r_data): Add stmt field.
7217 (fold_stmt_r): Defer fold overflow warnings until we know we
7218 optimized.
7219 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
7220 (fold_stmt_inplace): Likewise.
7221 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
7222 (cleanup_control_expr_graph): Defer fold overflow warnings until
7223 we know we are going to optimize.
7224 * tree-cfg.c (fold_cond_expr_cond): Likewise.
7225 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
7226 Likewise.
7227 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
7228 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
7229 * tree-ssa-loop-manip.c (create_iv): Likewise.
7230 * c-typeck.c (build_conditional_expr): Likewise.
7231 (build_binary_op): Likewise.
7232 * tree-vrp.c (vrp_expr_computes_nonzero): Call
7233 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
7234 (extract_range_from_unary_expr): Likewise.
7235 * simplify-rtx.c (simplify_const_relational_operation): Warn when
7236 assuming that signed overflow does not occur.
7237 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
7238 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
7239 (fold_defer_overflow_warnings): Declare.
7240 (fold_undefer_overflow_warnings): Declare.
7241 (fold_undefer_and_ignore_overflow_warnings): Declare.
7242 (fold_deferring_overflow_warnings_p): Declare.
7243 (tree_expr_nonzero_warnv_p): Declare.
7244 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
7245 of warning options.
7246 (Warning Options): Document -Wstrict-overflow.
7247 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
7248 (tree-ssa-ccp.o): Likewise.
7249 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
7250 (fold-const.o): Depend on intl.h.
7252 2007-02-13 Ian Lance Taylor <iant@google.com>
7254 PR middle-end/30751
7255 * lower-subreg.c (resolve_simple_move): Decompose subregs in
7256 addresses.
7258 2007-02-13 Stuart Hastings <stuart@apple.com>
7260 * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
7262 2007-02-13 Richard Henderson <rth@redhat.com>
7264 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
7265 handled_component_p before looking for the indirect_ref.
7267 2007-02-13 Richard Henderson <rth@redhat.com>
7269 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
7270 remove flags clobber.
7271 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
7272 (bswaphi_lowpart): New.
7273 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
7274 remove TARGET_BSWAP test. Delete expander of the same name.
7276 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
7277 (expand_unop): Use them.
7279 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
7281 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
7282 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
7283 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
7284 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
7285 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
7286 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
7287 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
7288 assembler dialect choice from asm templates.
7290 2007-02-12 Richard Henderson <rth@redhat.com>
7292 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
7293 (fixuns_trunc<SSEMODEF>si2): Use it.
7294 * config/i386/sse.md (vec_setv4sf_0): Export.
7295 * config/i386/i386.c (ix86_build_const_vector): Export.
7296 (ix86_split_convert_uns_si_sse): Rename from
7297 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
7298 * config/i386/i386-protos.h: Update.
7300 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7302 PR c/29521
7303 * c-typeck.c (c_finish_return): Improve warning message.
7305 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7307 * alias.c (find_symbolic_term): Delete unused function.
7309 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
7311 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
7312 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
7313 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
7315 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
7317 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
7318 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
7319 the function, temporarily point the debug interface to the null one.
7321 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
7323 * dwarf2out.c (round_up_to_align): New static function.
7324 (field_byte_offset): Use it to round the offset.
7326 2007-02-12 Richard Henderson <rth@redhat.com>
7328 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
7329 (inswl_const): Export.
7331 2007-02-12 Richard Henderson <rth@redhat.com>
7333 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
7334 result mode of the libcall, convert back to outmode.
7336 2007-02-12 Roger Sayle <roger@eyesopen.com>
7338 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
7339 (bswapdi2): New define_expand to implement 32-bit implementation.
7341 2007-02-12 Nick Clifton <nickc@redhat.com>
7343 * doc/invoke.texi (Overall Options): Document --help=.
7344 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
7345 (cc1_options): Pass --help= on to cc1.
7346 (display_help): Add description of --help=.
7347 (process_command): Add code to handle --help=. Allow translated
7348 --help and --target-help switches to be passed on to compiler
7349 sub-process.
7350 (main): Remove unused if statement.
7351 * opts.c (columns): Remove.
7352 (LEFT_COLUMN): Define.
7353 (wrap_help): Add columns argument.
7354 (print_filtered_help): Change parameters to be an include bitmask,
7355 an exclude bitmask, an any bitmask and the column width. Move the
7356 code to display the params list here. Add code to display the
7357 status of options rather than their descriptions if the quiet flag
7358 is not active.
7359 (print_specific_help): Change parameters to be an include bitmask,
7360 an exclude bitmask and an any bitmask. Move code to look up the
7361 column width here. Decide upon the title for an options listing.
7362 (common_handle_options): Add code to handle --help=. Adapt code
7363 for --help and --target-help to use the revised form of the
7364 print_specific_help function.
7365 (print_help): Delete.
7366 (print_param_help): Delete.
7367 (print_switch): Delete.
7368 * opts.h (cl_lang_count): Add prototype.
7369 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
7370 CL_MAX_OPTION_CLASS): New defines.
7371 * optc-gen.awk: Add construction of cl_lang_count.
7372 * c.opt: Add Warning attribute to warning options and Optimization
7373 attribute to optimization options.
7374 * common.opt: Likewise.
7375 Add --help=.
7376 Add -fhelp and -ftarget-help as aliases for the transformed --help
7377 and --target-help options.
7378 * opt-functions.awk: Add code to handle Warning and Optimization
7379 attributes.
7381 2007-02-12 Richard Henderson <rth@redhat.com>
7383 * config/alpha/constraints.md: New file.
7384 * config/alpha/alpha.c: Include tm-constrs.h.
7385 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
7386 alpha_extra_constraint): Remove.
7387 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
7388 * config/alpha/alpha-protos.h: Update.
7389 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
7390 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
7391 (EXTRA_CONSTRAINT): Remove.
7392 * config/alpha/alpha.md: Include constraints.md.
7393 (adddi splitter): Use satisfies_constraint_*.
7394 * config/alpha/predicates.md (add_operand): Likewise.
7395 (sext_add_operand, addition_operation): Likewise.
7397 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
7399 PR tree-optimization/29145
7400 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
7401 in our handling of restrict qualified pointers.
7403 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7405 PR middle-end/7651
7406 * doc/invoke.texi (Wunused-value): Update description.
7407 (Wextra): Delete item.
7408 * opts.c (set_Wextra): Don't use the value of Wextra to set the
7409 value of Wunused-value.
7410 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
7411 (c_finish_stmt_expr): Don't check extra_warnings.
7412 (emit_side_effect_warnings): The caller is responsible to check
7413 warn_unused_value.
7415 2007-02-11 Roger Sayle <roger@eyesopen.com>
7416 Matt Thomas <matt@3am-software.com>
7418 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
7420 2007-02-11 Roger Sayle <roger@eyesopen.com>
7422 * simplify-rtx.c (simplify_relational_operation_1): Optimize
7423 comparisons of POPCOUNT against zero.
7424 (simplify_const_relational_operation): Likewise.
7426 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7428 * doc/invoke.texi (Wextra): Delete outdated paragraph.
7430 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7432 * dwarf2out.c (root_type): Delete unused function.
7434 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7436 * genattrtab.c (contained_in_p): Delete unused function.
7437 (write_expr_attr_cache): Likewise.
7439 2007-02-11 Jan Hubicka <jh@suse.cz>
7441 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
7442 previous patch.
7444 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
7446 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
7447 to add the REG_EQ* note.
7448 * see.c (see_merge_one_use_extension): Likewise.
7449 * local-alloc.c (update_equiv_regs): Likewise. Also don't
7450 turn REG_EQUAL notes into REG_EQUIV notes if the target
7451 register may have more than one set.
7452 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
7453 * gcse.c (try_replace_reg): Likewise.
7454 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
7455 * calls.c (fixup_tail_calls): Likewise. Abort if there is
7456 more than one REG_EQUIV note.
7457 * reload1.c (gen_reload): Use set_unique_reg_note.
7459 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
7461 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
7462 (ix86_builtin_conversion): New function.
7464 2007-02-06 Mark Mitchell <mark@codesourcery.com>
7466 PR target/29487
7467 * tree.h (DECL_REPLACEABLE_P): New macro.
7468 * except.c (set_nothrow_function_flags): Likewise.
7470 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
7471 Ira Rosen <irar@il.ibm.com>
7472 Dorit Nuzman <dorit@il.ibm.com>
7474 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
7475 * targhooks.c (default_builtin_vectorized_conversion): New.
7476 * targhooks.h (default_builtin_vectorized_function): New declaration.
7477 * target.h (struct vectorize): Add builtin_conversion field.
7478 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
7479 stmt_vec_info_type value.
7480 (vectorizable_conversion): New declaration.
7481 * tree-vect-analyze.c (vect_analyze_operations): Add
7482 vectorizable_conversion call.
7483 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
7484 * tree-vect-transform.c (vectorizable_conversion): New function.
7485 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
7486 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
7487 mode.
7488 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
7489 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
7490 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
7491 or ALTIVEC_BUILTIN_VCFSX.
7493 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7495 PR target/30634
7496 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
7497 CONST_DOUBLE and operand 0 is a hard register.
7498 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
7499 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
7500 is a hard floating-point register.
7502 2007-02-10 Richard Henderson <rth@redhat.com>
7503 Jakub Jelinek <jakub@redhat.com>
7504 Alexandre Oliva <aoliva@redhat.com>
7506 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
7507 * builtin-types.def (BT_WORD): Make unsigned.
7508 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7509 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7510 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7511 * c-decl.c (grokdeclarator): Don't error if !have_tls.
7512 * c-parser.c (c_parser_omp_threadprivate): Likewise.
7513 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7514 emulated tls.
7515 * expr.c (emutls_var_address): New.
7516 (expand_expr_real_1): Expand emulated tls.
7517 (expand_expr_addr_expr_1): Likewise.
7518 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7519 * output.h (emutls_finish): Declare.
7520 * toplev.c (compile_file): Call it.
7521 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7522 address before wrapping in CONST.
7523 * varasm.c (emutls_htab, emutls_object_type): New.
7524 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7525 (get_emutls_object_name, get_emutls_object_type): New.
7526 (get_emutls_init_templ_addr, emutls_decl): New.
7527 (emutls_common_1, emutls_finish): New.
7528 (assemble_variable): When emulating tls, swap decls; generate
7529 constructor for the emutls objects.
7530 (do_assemble_alias): When emulating tls, swap decl and target name.
7531 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7532 for emulated tls.
7533 * varpool.c (decide_is_variable_needed): Look at force_output.
7534 Recurse for emulated tls.
7535 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
7536 with decide_is_variable_needed.
7537 * emutls.c: New file.
7538 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7539 tls_object for real tls.
7541 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
7543 PR rtl-optimization/29599
7544 * reload1.c (eliminate_regs_in_insn): Take the destination
7545 mode into account when computing the offset.
7547 2007-02-09 Stuart Hastings <stuart@apple.com>
7548 Richard Henderson <rth@redhat.com>
7550 * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7551 * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7552 * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
7553 fixuns_truncdfhi2): New.
7554 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
7555 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
7556 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
7557 (floatunssidf2): Allow nonimmediate source.
7558 * config/i386/sse.md (movdi_to_sse): New.
7559 (vec_concatv2di): Drop '*'.
7560 * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
7561 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7562 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
7563 New.
7564 * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
7565 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7566 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
7567 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
7568 (ix86_build_signbit_mask): Fix decl of v, refactor to call
7569 ix86_build_const_vector.
7570 (x86_emit_floatuns): Rewrite.
7572 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7574 * genautomata.c (longest_path_length): Delete unused function.
7575 (struct state): Delete unused longest_path_length.
7576 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
7577 (get_free_state): Delete unused.
7579 2007-02-09 Jan Hubicka <jh@suse.cz>
7581 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
7582 * doc/invoke.texi (inline-unit-growth): Update default value.
7584 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
7585 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
7586 (rebuild_cgraph_edges): Likewise.
7587 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
7588 (dump_cgraph_node): Dump frequencies.
7589 (cgraph_clone_edge): Add frequency scales.
7590 (cgraph_clone_node): Add freuqnecy.
7591 * cgraph.h (cgraph_edge): Add freuqnecy argument.
7592 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
7593 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
7594 * tree-pass.h (TODO_rebuild_frequencies): New constant.
7595 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
7596 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
7597 (save_inline_function_body): Likewise.
7598 * ipa-inline.c: inluce rtl.h
7599 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
7600 (cgraph_edge_badness): Use frequencies.
7601 (cgraph_decide_recursive_inlining): Update clonning.
7602 (cgraph_decide_inlining_of_small_function): Dump frequency.
7603 * predict.c (estimate_bb_frequencies): Export.
7604 * predict.h (estimate_bb_frequencies): Declare.
7605 * tree-inline.c (copy_bb): Watch overflows.
7606 (expand_call_inline): Update call of cgraph_create_edge.
7607 (optimize_inline_calls): Use TODO flags to update frequnecies.
7608 * passes.h: Include predict.h
7609 (init_optimization_passes): Move profile ahead.
7610 (execute_function_todo): Handle TODO_rebuild_frequencies.
7612 2007-02-09 Roger Sayle <roger@eyesopen.com>
7614 * config/alpha/alpha.c (emit_insxl): Force the first operand of
7615 the insbl or inswl pattern into a register.
7617 2007-02-09 Roger Sayle <roger@eyesopen.com>
7619 * config/ia64/ia64.md (bswapdi2): New define_insn.
7621 2007-02-09 Richard Henderson <rth@redhat.com>
7623 * config/i386/constraints.md (Ym): New constraint.
7624 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
7625 (movdi_1_rex64): Split sse and xmm general register moves from
7626 memory move alternatives. Use conditional register constraints.
7627 (movsf_1, movdf_integer): Likewise.
7628 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
7629 (movdf_integer_rex64): New.
7630 (pushsf_rex64): Fix output constraints.
7631 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
7632 (sse2_stored): Likewise.
7633 (sse2_storeq_rex64): New.
7634 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
7635 amd and not generic.
7636 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
7637 for optimize_size. Remove SF/DFmode hack.
7639 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
7641 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
7642 (bit_SSE4a): New.
7644 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
7645 Richard Sandiford <richard@codesourcery.com>
7647 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
7648 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
7649 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
7650 m68k/t-mlib to tmake_file.
7651 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
7652 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
7653 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
7654 Allow it to be cf or m68k. Set m68k_arch_family. If that
7655 variable is not empty, add t-$m68k_arch_family to tmake_file.
7656 Add t-mlibs to tmake_file.
7657 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
7658 * config/m68k/t-cf: New file.
7659 * config/m68k/t-m68k: Likewise.
7660 * config/m68k/t-mlibs: Likewise.
7661 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7662 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7663 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7664 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7665 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
7666 Delete.
7667 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
7668 (INSTALL_LIBGCC): Delete.
7669 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7670 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7671 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7672 (M68K_MLIB_CPU): Define.
7673 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7674 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7675 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
7677 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7678 Richard Guenther <rguenther@suse.de>
7680 PR middle-end/23361
7681 * fold-const.c (fold_comparison): Handle obfuscated comparisons
7682 against INT_MIN/INT_MAX.
7683 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
7684 file if a loop is removed.
7686 2007-02-09 Joseph Myers <joseph@codesourcery.com>
7688 * calls.c (store_one_arg): Pass correct alignment to
7689 emit_push_insn for non-BLKmode values.
7690 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
7691 unaligned stack slot via a suitably aligned slot.
7693 2007-02-08 DJ Delorie <dj@redhat.com>
7695 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
7696 warnings.
7697 (legal_subregs): Use unsigned char, make const.
7698 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
7700 2007-02-08 Paul Brook <paul@codesourcery.com>
7702 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
7703 special interworking needed.
7705 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
7707 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
7708 conditional to __SSE2__.
7709 (Entries below should have been added to first ChangeLog
7710 entry for amdfam10 dated 2007-02-05)
7711 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
7712 defined.
7713 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
7714 defined.
7715 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
7716 defined.
7718 2007-02-08 DJ Delorie <dj@redhat.com>
7720 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
7721 * config/m32c/m32c.c (legal_subregs): New.
7722 (m32c_illegal_subreg_p): New.
7723 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
7724 unsupported subregs of hard regs.
7726 2007-02-08 Jan Hubicka <jh@suse.cz>
7728 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
7729 the same one; always update histograms.
7731 2007-02-08 Diego Novillo <dnovillo@redhat.com>
7733 * passes.c (init_optimization_passes): Tidy comment.
7735 2007-02-08 Roger Sayle <roger@eyesopen.com>
7737 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
7738 strip zero_extend, bswap and rotates from POCOUNT's argument.
7739 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
7740 zero_extend and rotates from PARITY's argument.
7741 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
7742 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
7743 of an integer constant at compile-time.
7745 2007-02-08 Diego Novillo <dnovillo@redhat.com>
7747 PR 30562
7748 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
7749 Update all users.
7750 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
7751 users.
7752 (init_alias_info):
7753 * tree-ssa-live.c (remove_unused_locals): Do not remove
7754 TREE_ADDRESSABLE variables.
7755 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
7756 * tree-ssa-operands.c (add_virtual_operand): Remove argument
7757 FOR_CLOBBER. Update all users.
7758 If VAR has an associated alias set, add a virtual operand for
7759 it if no alias is found to conflict with the memory reference.
7761 2007-02-07 Jan Hubicka <jh@suse.cz>
7762 Robert Kidd <rkidd@crhc.uiuc.edu>
7764 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
7766 2007-02-07 Ian Lance Taylor <iant@google.com>
7768 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
7770 2007-02-07 Roger Sayle <roger@eyesopen.com>
7772 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
7773 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
7774 tablejumpdi, movsi_to_cr_one): Remove constraints from
7775 define_expand's match_operands.
7777 2007-02-07 Roger Sayle <roger@eyesopen.com>
7779 * global.c (compute_regsets): Move declatation of "i" inside of
7780 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
7782 2007-02-07 Jakub Jelinek <jakub@redhat.com>
7784 PR c++/30703
7785 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
7786 of INDIRECT_REF <RESULT_DECL>.
7788 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
7790 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
7791 Kaz Kojima <kkojima@gcc.gnu.org>
7793 PR target/29746
7794 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
7795 properly.
7796 (sh_initialize_trampoline): Add parentheses to avoid a warning.
7798 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7800 * doc/loop.texi: Document possibility not to perform disambiguation
7801 of loops with multiple latches.
7802 * cfgloopmanip.c (alp_enum_p): Removed.
7803 (add_loop): Handle subloops. Use get_loop_body_with_size.
7804 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
7805 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
7806 the new forwarder block.
7807 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
7808 Handle the case latch is NULL.
7809 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
7810 when marking loop exits.
7811 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
7812 be modified.
7813 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
7814 disambiguate_loops_with_multiple_latches.
7815 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
7816 before fix_loop_structure.
7817 * cfgloop.c: Include pointer-set.h and output.h.
7818 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
7819 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
7820 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
7821 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
7822 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
7823 disambiguate_multiple_latches, get_loop_body_with_size,
7824 disambiguate_loops_with_multiple_latches): New functions.
7825 (flow_loop_dump): Dump multiple latch edges.
7826 (flow_loop_nodes_find): Handle loops with multiple latches.
7827 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
7828 (glb_enum_p): Modified.
7829 (get_loop_body): Use get_loop_body_with_size.
7830 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
7831 (AVOID_CFG_MODIFICATIONS): New constant.
7832 (disambiguate_loops_with_multiple_latches, add_loop,
7833 get_loop_body_with_size): Declare.
7834 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
7836 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
7838 PR inline-asm/28686
7839 * global.c (compute_regsets): New function.
7840 (global_alloc): Refactored ELIMINABLE_REGSET
7841 and NO_GLOBAL_ALLOC_REGS computation out.
7842 (rest_of_handle_global_alloc): Call compute_regsets()
7843 for non-optimizing case.
7845 2007-02-06 Richard Henderson <rth@redhat.com>
7847 * config/i386/constraints.md (Y2): Rename from Y.
7848 (Yi): New constraint.
7849 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
7850 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
7851 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
7852 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
7853 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
7854 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
7855 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
7856 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
7857 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
7858 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
7859 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
7860 vec_extractv2si_1): Change Y constraints to Y2.
7861 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
7862 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
7863 Change Y constraints to Y2.
7864 (sse2_loadld): Change Y constraints to x.
7866 2007-02-06 Roger Sayle <roger@eyesopen.com>
7868 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
7869 (parity<mode>2): New define_expand using rs6000_emit_parity.
7870 * config/rs6000/rs6000.c (rs6000_emit_popcount,
7871 rs6000_emit_parity): New functions.
7872 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
7873 rs6000_emit_parity): Prototype here.
7875 2007-02-06 Ian Lance Taylor <iant@google.com>
7877 * lower-subreg.c (simple_move_operand): Reject CONST.
7878 (resolve_clobber): Call validate_change rather than directly
7879 assigning to XEXP (pat, 0).
7881 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
7883 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
7884 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
7885 (tree-cfg.o): Remove hashtab.h dependency.
7887 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
7888 (struct ivopts_data): Change niters to pointer_map_t.
7889 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
7890 (niter_for_exit): Create pointer_map on demand. Change for
7891 pointer_map API.
7892 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
7893 (free_loop_data): Destroy data->niters if created and reset field.
7894 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
7895 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
7897 * tree-ssa-reassoc.c: Include pointer-set.h.
7898 (bb_rank): Change to long *.
7899 (operand_rank): Change to pointer_map_t.
7900 (find_operand_rank): Return long, -1 if not found. Declare as inline.
7901 (insert_operand_rank): Accept long.
7902 (operand_entry_hash, operand_entry_eq): Remove.
7903 (get_rank): Return long. Adjust for changes above.
7904 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
7905 and operand_rank.
7906 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
7908 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
7909 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
7910 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
7911 is not NULL.
7912 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
7913 directly since it cannot be NULL.
7914 (get_vi_for_tree): Rewrite for pointer_map API.
7915 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
7916 (init_alias_vars): Create vi_for_tree as pointer_map.
7917 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
7919 * tree-cfg.c: Don't include hashtab.h.
7920 (edge_to_cases): Declare as pointer_map.
7921 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
7922 Delete.
7923 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
7924 (start_recording_case_labels): Create edge_to_cases as pointer_map.
7925 (end_recoding_case_labels): Cleanup edge_to_cases manually before
7926 destroying it.
7927 (record_switch_edge): Delete.
7928 (get_cases_for_edge): Adjust for pointer_map API, inline
7929 record_switch_edge (rewritten for new API), remove goto.
7931 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
7933 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
7934 * tree-nested.c: Include pointer-set.h.
7935 (var_map_elt, var_map_eq, var_map_hash): Delete.
7936 (struct nesting_info): Remove GTY marker. Change the two htab_t's
7937 to pointer_map_t's.
7938 (nesting_info_bitmap_obstack): New.
7939 (lookup_field_for_decl): Adjust for pointer_map API.
7940 (lookup_tramp_for_decl): Adjust for pointer_map API.
7941 (get_nonlocal_debug_decl): Adjust for pointer_map API.
7942 (get_local_debug_decl): Adjust for pointer_map API.
7943 (convert_nl_goto_reference): Adjust for pointer_map API.
7944 (convert_nl_goto_receiver): Adjust for pointer_map API.
7945 (create_nesting_tree): Create outside GGC space. Create bitmap on
7946 the new obstack. Create field_map and var_map as pointer_maps.
7947 (free_nesting_tree): Adjust for changes to create_nesting_tree.
7948 (root): Delete.
7949 (lower_nested_functions): Move root here, no need to NULL it.
7950 Initialize and release the obstack.
7952 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
7954 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
7955 Remove prototypes and make them non-static.
7956 (struct tree_int_map): Remove.
7957 * tree.h (struct tree_int_map): Move here, turning TO into an
7958 unsigned int.
7959 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
7961 * tree.h (TREE_COMPLEXITY): Remove.
7962 (struct tree_exp): Remove complexity field.
7963 * tree.c (build1_stat): Don't set it.
7965 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
7966 Victor Kaplansky <victork@il.ibm.com>
7968 * tree-vectorizer.c (vect_is_simple_use): Support induction.
7969 (vect_is_simple_reduction): Support reduction with induction as
7970 one of the operands.
7971 (vect_is_simple_iv_evolution): Fix formatting.
7972 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
7973 formatting. Don't mark induction phis for vectorization.
7974 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
7975 * tree-vect-transform.c (get_initial_def_for_induction): New function.
7976 (vect_get_vec_def_for_operand): Support induction.
7977 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
7978 induction case.
7979 (vectorizable_reduction): Support reduction with induction as one of
7980 the operands.
7981 (vectorizable_type_demotion): Use def-type of stmt argument rather
7982 than dummy def-type.
7984 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
7985 flag_tree_scev_cprop.
7986 * common.opt (tree-scev-cprop): New flag.
7988 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
7989 call to vect_get_new_vect_var.
7991 2007-02-06 Ira Rosen <irar@il.ibm.com>
7993 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
7994 vectype is not NULL.
7995 (vect_pattern_recog_1): Likewise.
7997 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7999 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
8000 (fold_negate_expr): Likewise.
8002 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
8004 PR debug/30189
8005 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
8006 even if cv-qualification is the same.
8008 2007-02-05 Geoffrey Keating <geoffk@apple.com>
8010 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
8011 __enable_execute_stack on completion.
8013 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8015 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
8016 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
8017 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
8018 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
8019 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
8020 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
8021 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
8022 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
8024 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8026 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
8027 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
8028 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
8029 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
8030 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
8031 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
8032 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
8033 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
8034 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
8035 umuldi3_highpart_rex64, umulsi3_highpart_insn,
8036 umulsi3_highpart_zext, smuldi3_highpart_rex64,
8037 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
8038 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
8039 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
8040 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
8041 sqrtextenddfxf2_i387): Added amdfam10_decode.
8043 * config/i386/athlon.md (athlon_idirect_amdfam10,
8044 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
8045 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
8046 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
8047 athlon_ivector_store_amdfam10): New define_insn_reservation.
8048 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
8049 amdfam10.
8051 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8053 * config/i386/athlon.md (athlon_call_amdfam10,
8054 athlon_pop_amdfam10, athlon_lea_amdfam10): New
8055 define_insn_reservation.
8056 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
8057 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
8058 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
8060 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8062 * config/i386/athlon.md (athlon_sseld_amdfam10,
8063 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
8064 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
8066 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8068 * config/i386/athlon.md (athlon_sseins_amdfam10): New
8069 define_insn_reservation.
8070 * config/i386/i386.md (sseins): Added sseins to define_attr type
8071 and define_attr unit.
8072 * config/i386/sse.md: Set type attribute to sseins for insertq
8073 and insertqi.
8075 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8077 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
8078 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
8079 ssecomi_load_amdfam10, ssecomi_amdfam10,
8080 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
8081 define_insn_reservation.
8082 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
8084 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8086 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
8087 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
8088 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
8089 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
8090 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
8091 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
8092 define_insn_reservation.
8094 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
8095 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
8096 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
8097 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
8098 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
8100 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8102 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
8103 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
8104 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
8105 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
8106 athlon_ssemul_load_k8): Added amdfam10.
8108 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8110 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
8111 (x86_sse_unaligned_move_optimal): New variable.
8113 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
8114 m_AMDFAM10.
8115 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
8116 for unaligned vector SSE double/single precision loads for AMDFAM10.
8118 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8120 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
8121 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
8122 Define TARGET_CPU_DEFAULT_amdfam10.
8123 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
8124 (processor_type): Add PROCESSOR_AMDFAM10.
8126 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
8127 processor_type in config/i386/i386.h.
8128 Enable imul peepholes for TARGET_AMDFAM10.
8130 * config.gcc: Add support for --with-cpu option for amdfam10.
8132 * config/i386/i386.c (amdfam10_cost): New variable.
8133 (m_AMDFAM10): New macro.
8134 (m_ATHLON_K8_AMDFAM10): New macro.
8135 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
8136 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
8137 x86_promote_QImode, x86_integer_DFmode_moves,
8138 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8139 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
8140 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
8141 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
8142 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
8143 Enable/disable for amdfam10.
8144 (override_options): Add amdfam10_cost to processor_target_table.
8145 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
8146 processor_alias_table.
8147 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
8148 (ix86_adjust_cost): Add code for amdfam10.
8150 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8152 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
8153 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
8154 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
8155 * config/i386/i386.h: Add builtin definition for SSE4A.
8156 * config/i386/i386.md: Add support for ABM instructions
8157 (popcnt and lzcnt).
8158 * config/i386/sse.md: Add support for SSE4A instructions
8159 (movntss, movntsd, extrq, insertq).
8160 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
8161 Add -march=amdfam10 flag.
8162 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
8163 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
8164 and amdfam10.
8165 * doc/extend.texi: Add documentation for SSE4A builtins.
8167 2007-02-05 Bob Wilson <bob.wilson@acm.org>
8169 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
8171 2007-02-05 Richard Guenther <rguenther@suse.de>
8173 * tree-vectorizer.h (vectorizable_function): Add argument type
8174 argument, change return type.
8175 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
8176 * tree-vect-transform.c (vectorizable_function): Handle extra
8177 argument, return vectorized function decl.
8178 (build_vectorized_function_call): Remove.
8179 (vectorizable_call): Handle calls with result and argument types
8180 differing. Handle loop vectorization factor correctly.
8181 * targhooks.c (default_builtin_vectorized_function): Adjust for
8182 extra argument.
8183 * targhooks.h (default_builtin_vectorized_function): Likewise.
8184 * target.h (builtin_vectorized_function): Add argument type
8185 argument.
8186 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
8187 extra argument, allow vectorizing of lrintf.
8188 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
8189 documentation of target hook.
8191 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
8193 PR target/30665
8194 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
8195 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
8196 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
8198 2007-02-05 Roger Sayle <roger@eyesopen.com>
8200 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
8201 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
8202 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
8203 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
8204 before canonicalizing sincos to cexpi.
8205 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
8207 2007-02-05 Roger Sayle <roger@eyesopen.com>
8209 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
8210 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
8211 (alpha_init_builtins): Use alpha_add_builtins to process tables.
8213 2007-02-05 Roger Sayle <roger@eyesopen.com>
8215 * mips-tfile.c (initialize_init_file): Correct endianness test.
8217 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
8219 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
8220 the 'y' constraint.
8222 2007-02-05 Richard Sandiford <richard@codesourcery.com>
8224 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
8225 saves in a PARALLEL before the register assignments.
8227 2007-02-05 Richard Sandiford <richard@codesourcery.com>
8229 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
8230 DWARF_FRAME_RETURN_COLUMN to be a general register.
8231 * dwarf2out.c (init_return_column_size): New function, split from...
8232 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
8233 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
8234 to be nongeneral registers.
8235 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
8236 integer registers.
8237 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
8238 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
8240 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8242 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
8244 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8246 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
8247 (remove_path): Use can_remove_branch_p and remove_branch instead
8248 of loop_delete_branch_edge.
8249 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
8250 (tree_transform_and_unroll_loop): Remove dead branches immediately.
8251 Update profile using scale_dominated_blocks_in_loop.
8252 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
8253 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
8254 (can_remove_branch_p, remove_branch): Declare.
8255 * tree-cfg.c (tree_can_remove_branch_p): New function.
8256 (tree_cfg_hooks): Add tree_can_remove_branch_p.
8257 * cfgrtl.c (rtl_can_remove_branch_p): New function.
8258 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
8260 2007-02-05 Jan Hubicka <jh@suse.cz>
8262 PR middle-end/30696
8263 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
8264 nodes in cgraph, don't remove offline copy of the function.
8266 2007-02-04 Jan Hubicka <jh@suse.cz>
8268 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
8269 vectors might cause maybe_lookup_element_for_expr to be called
8270 on non-sra-candidate.
8272 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
8274 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
8275 config/bfin/bfin.md, config/bfin/predicates.md: Follow
8276 spelling conventions.
8278 2007-02-04 Richard Guenther <rguenther@suse.de>
8280 PR middle-end/30636
8281 * fold-const.c (try_move_mult_to_index): Make sure to not
8282 overflow one dimension of a multi-dimensional array access.
8284 2007-02-04 Jan Hubicka <jh@suse.cz>
8286 * passes.c (init_optimization_passes): Reindent.
8288 2007-02-04 Jan Hubicka <jh@suse.cz>
8289 Eric Botcazou <ebotcazou@adacore.com>
8291 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
8292 (execute_fixup_cfg): Break out the abnormal goto code.
8293 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
8294 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
8295 (optimize_inline_calls): Call make_nonlocal_label_edges.
8297 2007-02-04 Jan Hubicka <jh@suse.cz>
8299 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
8300 true when something was changed.
8301 (rename_ssa_copies): When something was changed, do
8302 TODO_remove_unused_locals.
8303 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8304 add TODO_remove_unused_locals when instruction was removed.
8306 2007-02-04 Jan Hubicka <jh@suse.cz>
8308 * ipa-inline.c (try_inline): Improve debug output; work on already
8309 inline edges too.
8310 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
8311 call try_inline for already inlined edges too when flattening;
8312 inline also functions that make callee growth but overall unit size
8313 reduce.
8315 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
8317 * config/m32c/bitops.md, config/m32c/jump.md,
8318 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
8319 config/m32r/m32r.h, config/m32r/m32r.md,
8320 config/m32r/predicates.md, config/m68hc11/larith.asm,
8321 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
8322 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
8323 config/mips/mips-protos.h, config/mips/mips.c,
8324 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
8325 config/mn10300/mn10300.h, config/mn10300/predicates.md,
8326 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
8327 spelling conventions.
8329 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
8330 Follow spelling conventions.
8332 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
8334 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
8335 warn about C++0x compatibility.
8337 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
8339 * config/h8300/h8300.c, config/h8300/h8300.h,
8340 config/h8300/h8300.md: Follow spelling conventions.
8342 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
8344 PR middle-end/30667
8345 * combine.c (try_combine): Do not substitute source operand
8346 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
8348 2007-02-03 Jan Hubicka <jh@suse.cz>
8350 PR gcov-profile/30650
8351 * value-prof.c (stringop_block_profile): Fix handling of size counter;
8352 do not divide by zero for never executed counters.
8353 (tree_find_values_to_profile): Fix counters.
8354 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
8356 2007-02-03 Ian Lance Taylor <iant@google.com>
8358 * lower-subreg.c (simple_move_operand): New static function,
8359 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
8360 operands.
8361 (simple_move): Call simple_move_operand.
8362 (find_decomposable_subregs): Add special handling of MEMs.
8363 (can_decompose_p): Rename from cannot_decompose_p. Reverse
8364 meaning of return value. If we see a hard register, test whether
8365 it can store a word_mode value. Change all callers.
8367 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8369 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
8370 ftrapv insns and expanders.
8371 (subdi3): Change define_expand operand 1 to arith11_operand, and
8372 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
8373 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
8374 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
8375 respectively.
8377 PR middle-end/30174
8378 * varasm.c (notice_global_symbol): Treat global objects as weak when
8379 flag_shlib is true.
8381 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8383 * emit-rtl.c (dconstpi): Delete.
8384 (dconstsqrt2): New.
8385 (init_emit_once): Delete dconstpi and init dconstsqrt2.
8386 * real.h (dconstpi): Delete.
8387 (dconstsqrt2): New.
8388 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
8389 (fold_builtin_hypot): Likewise.
8391 2007-02-03 Tom Tromey <tromey@redhat.com>
8393 PR driver/30246
8394 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
8395 -gcoff3, -gxcoff3, -gvms3 implies -dD.
8397 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
8399 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
8400 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
8401 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
8402 config/rs6000/cell.md, config/rs6000/darwin.h,
8403 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
8404 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
8405 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
8406 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
8407 typos. Follow spelling conventions.
8408 * doc/invoke.texi: Follow spelling conventions.
8410 2007-02-03 Roger Sayle <roger@eyesopen.com>
8412 * simplify-rtx.c (simplify_relational_operation_1): Implement some
8413 canonicalization transformations that attempt to simplify integer
8414 constant comparisons to become comparisons against zero.
8416 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8418 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
8419 fabs(x)*sqrt(2).
8420 * fold-const.c (fold_binary): Fix comment typos. Fold complex
8421 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
8423 2007-02-02 Mike Stump <mrs@apple.com>
8425 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
8426 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
8427 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
8428 generate a branch island.
8430 2007-02-02 Bob Wilson <bob.wilson@acm.org>
8432 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
8433 (xtensa_legitimate_address_p): New.
8434 (xtensa_legitimize_address): New.
8435 (xtensa_output_addr_const_extra): New.
8436 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
8437 (BASE_REG_P): New.
8438 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
8439 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
8440 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
8441 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
8442 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
8443 (xtensa_legitimize_address): New.
8444 (xtensa_output_addr_const_extra): New.
8446 2007-02-02 Steve Ellcey <sje@cup.hp.com>
8448 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
8450 2007-02-02 Ian Lance Taylor <iant@google.com>
8452 * expmed.c (expand_divmod): Add comment.
8454 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
8456 * emit-rtl.c (renumber_insns): Remove.
8457 * flags.h: Remove the extern for flag_renumber_insns.
8458 * rtl.h: Remove the prototype for renumber_insns.
8459 * toplev.c (flag_renumber_insns): Remove.
8461 2007-02-02 Hui-May Chang <hm.chang@apple.com>
8463 Revert for x86 darwin:
8464 2005-06-19 Uros Bizjak <uros@kss-loka.si>
8466 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
8467 code before the following patch under TARGET_MACHO.
8468 (ix86_function_value_regno_p): Likewise.
8470 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8472 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
8473 COMPLEX_EXPR.
8475 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8477 PR target/29682
8478 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
8479 general or fp registers. Add comments.
8480 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
8482 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
8484 * pointer-set.c (insert_aux): Only return insertion slot.
8485 (pointer_set_insert): Adjust.
8486 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
8487 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
8488 pointer_map_traverse): New.
8489 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
8490 pointer_map_create, pointer_map_destroy, pointer_map_insert,
8491 pointer_map_contains, pointer_map_traverse): Declare.
8493 2007-02-02 Jakub Jelinek <jakub@redhat.com>
8495 PR middle-end/30473
8496 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
8497 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
8499 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8501 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
8503 (struct _dep): New type.
8504 (dep_t): New typedef.
8505 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
8506 (DEP_STATUS): New access macro. The macro with the same name was
8507 renamed to DEP_LINK_STATUS.
8508 (dep_init): Declare function
8510 (struct _dep_link): New type.
8511 (dep_link_t): New typedef.
8512 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
8513 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
8514 (DEP_LINK_STATUS): New macro.
8515 (debug_dep_links): New debug function.
8517 (struct _deps_list): New type.
8518 (deps_list_t): New typedef.
8519 (DEPS_LIST_FIRST): New access macro.
8520 (FOR_EACH_DEP_LINK): New cycle macro.
8521 (create_deps_list, free_deps_list, delete_deps_list): Declare
8522 functions.
8523 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
8524 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
8525 (copy_deps_list_change_con): Ditto.
8527 (move_dep_link): Declare function.
8529 (struct _dep_node): New type.
8530 (dep_node_t): New typedef.
8531 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
8533 (struct haifa_insn_data.back_deps): New field to hold backward
8534 dependencies of the insn.
8535 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
8536 to deps_list_t.
8537 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
8538 Change its type to deps_list_t.
8539 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
8540 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
8541 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
8543 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
8545 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
8547 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
8548 all callers.
8549 (dep_cost): Declare.
8551 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
8552 (ds_to_dk, dk_to_ds): New functions.
8554 (init_dep_1): New static function.
8555 (init_dep): New function.
8556 (copy_dep): New static function.
8558 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
8559 functions.
8560 (detach_dep_link): New static function.
8561 (move_dep_link): New function.
8563 (dep_links_consistent_p, dump_dep_links): New static functions.
8564 (debug_dep_links): New debugging function.
8566 (deps_obstack, dl_obstack, dn_obstack): New static variables.
8568 (alloc_deps_list, init_deps_list): New static functions.
8569 (create_deps_list): New function.
8570 (clear_deps_list): New static function.
8571 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
8572 (deps_list_consistent_p, dump_deps_list): New static functions.
8573 (debug_deps_list): New function.
8574 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
8575 functions.
8576 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
8578 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
8579 use new scheduler dependencies lists.
8580 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
8581 (sched_analyze): Ditto. Initialize dependencies lists.
8582 (add_forw_dep, compute_forward_dependences): Update to use new
8583 scheduler dependencies lists.
8585 (init_dependency_caches): Init deps_obstack.
8586 (free_dependency_caches): Free deps_obstack.
8588 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
8589 new scheduler dependencies lists.
8590 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
8591 (add_back_forw_dep, delete_back_forw_dep): Ditto.
8593 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
8594 Update to use new scheduler dependencies lists.
8595 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
8596 (debug_dependencies): Ditto.
8597 (schedule_region): Update comments.
8599 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
8600 scheduler dependencies lists.
8601 (schedule_ebb): Update comments.
8603 * rtl.def (DEPS_LIST): Remove.
8605 * lists.c (unused_deps_list): Remove.
8606 (free_list): Update assertions.
8608 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
8609 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8611 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
8612 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8614 * haifa-sched.c (comments): Update.
8615 (insn_cost1): Remove. Inline the code into insn_cost ().
8616 (insn_cost): Update to use new scheduler dependencies lists. Move
8617 processing of the dependency cost to dep_cost ().
8618 (dep_cost): New function. Use it instead of insn_cost () when
8619 evaluating cost of the dependency. Use compatible interface to
8620 interact with the target.
8621 (priority): Update to use new scheduler dependencies lists.
8622 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
8623 with greater number of insns that depend on the insn.
8624 (schedule_insn): Update to use new scheduler dependencies lists. Add
8625 code to free backward dependencies lists. Inline and optimize code
8626 from resolve_dep () - see PR28071.
8627 (ok_for_early_queue_removal): Update to use new scheduler dependencies
8628 lists. Update call to targetm.sched.is_costly_dependence hook.
8630 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
8631 scheduler dependencies lists.
8633 (resolve_dep): Remove. Move the logic to schedule_insn ().
8634 (init_h_i_d): Initialize dependencies lists.
8636 (process_insn_depend_be_in_spec): Rename to
8637 process_insn_forw_deps_be_in_spec. Update to use new scheduler
8638 dependencies lists.
8639 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
8640 Update to use new scheduler dependencies lists.
8641 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
8643 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
8644 new scheduler dependencies lists.
8645 (build_intra_loop_deps): Ditto.
8647 * target.h (struct _dep): Declare to use in
8648 gcc_target.sched.is_costly_dependence.
8649 (struct gcc_target.sched.adjust_cost): Fix typo.
8650 (struct gcc_target.sched.is_costly_dependence): Change signature to use
8651 single dep_t parameter instead of an equivalent triad.
8652 (struct gcc_target.sched.adjust_cost_2): Remove.
8654 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
8656 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
8658 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
8659 documentation.
8660 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
8662 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
8663 (REG_DEP_TRUE): Document.
8665 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
8666 Change signature to correspond to the targetm.sched.adjust_cost hook.
8667 Update use in TARGET_SCHED_ADJUST_COST_2.
8668 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
8669 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
8670 new scheduler dependencies lists.
8671 (ia64_gen_check): Ditto.
8673 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
8674 dependencies lists.
8676 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
8677 signature to correspond to the targetm.sched.is_costly_dependence hook.
8678 (is_costly_group): Update to use new scheduler dependencies lists.
8680 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
8681 instead of INSN_COST () macro.
8683 2007-02-01 Ian Lance Taylor <iant@google.com>
8685 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
8687 2007-02-01 Guy Martin <gmsoft@gentoo.org>
8689 * pa.md (tp_load): Correct mfctl instruction syntax.
8691 2007-02-01 Geoffrey Keating <geoffk@apple.com>
8693 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
8694 altivec_padding_size calculation on AIX. Improve comment, add
8695 assert to verify that it's right.
8697 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
8698 64-bit.
8700 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
8702 PR inline-asm/28686
8703 * global.c (global_alloc): Add mising initialization of
8704 ELIMINABLE_REGSET.
8706 2007-02-01 Roger Sayle <roger@eyesopen.com>
8708 * alias.c (init_alias_analysis): Correct whitespace.
8709 * bb-reorder.c (fix_edges_for_rarely_executed_code,
8710 partition_hot_cold_basic_blocks): Likewise.
8711 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
8712 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
8713 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
8714 fold_builtin_snprintf_chk, fold_builtin_printf,
8715 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
8716 do_mpfr_arg3, do_mpfr_sincos): Likewise.
8717 * cfgcleanup.c (cleanup_cfg): Likewise.
8718 * cfgexpand.c (tree_expand_cfg): Likewise.
8719 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
8720 * function.c (get_next_funcdef_no): Likewise.
8721 * gengtype.c (main): Likewise.
8722 * genmodes.c (main): Likewise.
8723 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
8724 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
8725 * ifcvt.c (noce_emit_move_insn): Likewise.
8726 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
8727 Likewise.
8728 * stor-layout.c (get_best_mode): Likewise.
8729 * tree-ssa-loop-niter.c (get_val_for): Likewise.
8730 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
8731 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
8732 perform_var_substitution, solve_graph): Likewise.
8733 * tree-vrp.c (vrp_finalize): Likewise.
8735 2007-02-01 Ian Lance Taylor <iant@google.com>
8737 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
8738 high part of a paradoxical subreg, return a constant zero.
8740 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
8742 * toplev.c (lang_dependent_init): Call init_set_costs.
8743 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
8745 2007-02-01 Richard Guenther <rguenther@suse.de>
8747 PR middle-end/30656
8748 * fold-const.c (fold_negate_expr): Allow negating a
8749 constant if overflow does not change.
8751 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8753 * doc/c-tree.texi (Expression trees): Improve markup.
8754 * doc/tm.texi (Register Classes, Addressing Modes)
8755 (Floating Point): Fix spacing after abbreviations. Fix some
8756 typos.
8758 2007-02-01 Ben Elliston <bje@au.ibm.com>
8760 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
8761 * doc/contrib.texi: Likewise.
8762 * doc/install.texi: Likewise.
8764 2007-01-31 Richard Henderson <rth@redhat.com>
8765 Ian Lance Taylor <iant@google.com>
8767 * lower-subreg.c: New file.
8768 * rtl.def (CONCATN): Define.
8769 * passes.c (init_optimization_passes): Add pass_lower_subreg and
8770 pass_lower_subreg2.
8771 * emit-rtl.c (update_reg_offset): New static function, broken out
8772 of gen_rtx_REG_offset.
8773 (gen_rtx_REG_offset): Call update_reg_offset.
8774 (gen_reg_rtx_offset): New function.
8775 * regclass.c: Revert patch of 2006-03-05, restoring
8776 reg_scan_update.
8777 (clear_reg_info_regno): New function.
8778 * dwarf2out.c (concatn_loc_descriptor): New static function.
8779 (loc_descriptor): Handle CONCATN.
8780 * common.opt (fsplit_wide_types): New option.
8781 * opts.c (decode_options): Set flag_split_wide_types when
8782 optimizing.
8783 * timevar.def (TV_LOWER_SUBREG): Define.
8784 * rtl.h (gen_reg_rtx_offset): Declare.
8785 (reg_scan_update): Declare.
8786 * regs.h (clear_reg_info_regno): Declare.
8787 * tree-pass.h (pass_lower_subreg): Declare.
8788 (pass_lower_subreg2): Declare.
8789 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
8790 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
8791 -fsplit-wide-types.
8792 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
8793 * Makefile.in (OBJS-common): Add lower-subreg.o.
8794 (lower-subreg.o): New target.
8796 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
8798 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
8800 2007-01-31 Anatoly Sokolov <aesok@post.ru>
8802 PR target/19087
8803 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
8805 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8807 PR middle-end/29335
8808 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
8810 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
8812 * cfgloop.h: Include vec-prim.h.
8813 (enum li_flags): Remove LI_ONLY_OLD.
8814 (loop_iterator): Changed.
8815 (fel_next, fel_init): Iterate over loop tree.
8816 (FOR_EACH_LOOP_BREAK): New macro.
8817 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
8818 FOR_EACH_LOOP.
8819 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
8820 * modulo-sched.c (sms_schedule): Ditto.
8821 * tree-vectorizer.c (vectorize_loops): Ditto.
8822 * doc/loop.texi: Update information on loop numbering and behavior of
8823 FOR_EACH_LOOP wrto new loops.
8824 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8825 add_to_evolution_1): Test nestedness of loops instead of comparing
8826 their numbers.
8827 * tree-chrec.c (chrec_fold_plus_poly_poly,
8828 chrec_fold_multiply_poly_poly, chrec_evaluate,
8829 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
8830 reset_evolution_in_loop): Ditto.
8831 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
8833 2007-01-31 Dirk Mueller <dmueller@suse.de>
8835 * c-common.c (warn_about_parentheses): Separate warning about
8836 un-parenthized sequence of comparison operators from the one
8837 which is supposed to warn about x <= y <= z.
8839 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
8841 * optabs.h (enum optab_index): Add new OTI_isinf.
8842 (isinf_optab): Define corresponding macro.
8843 * optabs.c (init_optabs): Initialize isinf_optab.
8844 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
8845 patterns.
8846 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
8847 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
8848 using isinf_optab.
8849 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
8850 expand_builtin_interclass_mathfn.
8851 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
8852 * config/i386/i386.md (UNSPEC_FXAM): New constant.
8853 (fxam<mode>2_i387): New insn pattern.
8854 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
8855 built-in functions as x87 inline asm.
8857 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
8859 * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
8861 2007-01-30 Eric Christopher <echristo@apple.com>
8863 * config.gcc: Add geode.
8865 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
8867 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
8868 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
8869 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
8870 value-prof.c: Fix comment typos.
8872 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8874 PR c++/24745
8875 * doc/invoke.texi (Wpointer-arith): Document warning.
8877 2007-01-30 Janis Johnson <janis187@us.ibm.com>
8879 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
8880 the list of discrepancies from the draft TR.
8882 2007-01-30 Dirk Mueller <dmueller@suse.de>
8884 PR c++/30601
8885 * doc/invoke.texi (-Wreturn-type): Update description to
8886 match new behavior.
8888 2007-01-30 Richard Sandiford <richard@codesourcery.com>
8890 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
8892 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
8894 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
8895 to handle optabs that operate on floating point input argument and
8896 output to integer output.
8897 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
8898 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
8899 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
8900 expand_builtin_interclass_mathfn ().
8901 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
8902 (ilogbsi2): Remove.
8903 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
8904 ilogbl built-in functions as x87 intrinsics.
8906 2007-01-30 Richard Guenther <rguenther@suse.de>
8908 PR middle-end/27657
8909 * dwarf2out.c (reference_to_unused): Query varpool if the
8910 variable was output.
8912 2007-01-30 Richard Guenther <rguenther@suse.de>
8914 PR middle-end/30313
8915 * passes.c (execute_one_pass): Reset in_gimple_form to not
8916 confuse non-unit-at-a-time mode.
8918 2007-01-29 Roger Sayle <roger@eyesopen.com>
8919 Richard Guenther <rguenther@suse.de>
8921 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
8922 avoid undefined behaviour on overflow. Use force_fit_type_double
8923 to construct the constant with the specified TREE_OVERFLOW.
8925 2007-01-29 Janis Johnson <janis187@us.ibm.com>
8927 * config/dfp-bit.c: Add parameterized support for fp exceptions.
8928 * config/dfp-bit.h: Ditto.
8930 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8932 * c-decl.c (pop_scope): Replace warnings with call to
8933 warn_for_unused_label.
8934 * c-common.h (warn_for_unused_label): Declare.
8935 * c-common.c (warn_for_unused_label): Define.
8937 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8939 * tree-optimize.c (update_inlined_to_pointers): Delete unused
8940 function.
8942 2007-01-29 Janis Johnson <janis187@us.ibm.com>
8944 * Makefile.in (USER_H): Remove decfloat.h.
8945 * ginclude/decfloat.h: Delete, moving contents to ...
8946 * ginclude/float.h: Add support for decimal floating point,
8947 guarded by __STDC_WANT_DEC_FP__.
8949 2007-01-29 Mike Stump <mrs@apple.com>
8951 * doc/gccint.texi (Top): Rename Loop Representation to Loop
8952 Analysis and Representation to resolve case insensitive conflict.
8953 * doc/loop.texi (Loop Analysis and Representation): Likewise.
8955 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
8957 * tree.h (struct tree_memory_tag): Add aliases member.
8958 (MTAG_ALIASES): New macro.
8959 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
8960 (add_may_alias): Remove pointer-set. Update for may_aliases being
8961 a bitmap.
8962 (mark_aliases_call_clobbered): Update for may_aliases being a
8963 bitmap.
8964 (compute_tag_properties): Ditto.
8965 (create_partition_for): Ditto.
8966 (compute_memory_partitions): Ditto.
8967 (dump_may_aliases_for): Ditto.
8968 (is_aliased_with): Ditto.
8969 (add_may_alias_for_new_tag): Ditto.
8970 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
8971 (compute_is_aliased): New function.
8972 (compute_may_aliases): Call compute_is_aliased).
8973 (init_alias_info): Initialize alias_bitmap_obstack.
8974 (union_alias_set_into): New function.
8975 (compute_flow_sensitive_aliasing): Use union_aliases_into.
8976 (have_common_aliases_p): Rewrite to take two bitmaps and use
8977 intersection.
8978 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
8979 Update for bitmaps.
8980 (finalize_ref_all_pointers): Update for add_may_alias changes.
8981 (new_type_alias): Ditto.
8982 * tree-flow-inline.h (may_aliases): Return a bitmap.
8983 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
8984 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
8985 may_aliases being a bitmap.
8986 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
8987 may_aliases now returns a bitmap.
8988 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
8989 being a bitmap.
8990 * tree-ssa-operands.c (add_virtual_operand): Update for
8991 may_aliases being a bitmap.
8993 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
8995 PR tree-optimization/30630
8996 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
8997 variable as changed.
8999 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
9001 PR c++/28266
9002 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
9003 expanded only once even if an error occurs.
9005 2007-01-29 Ben Elliston <bje@au.ibm.com>
9007 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
9008 (__gcov_average_profiler): Likewise.
9009 (__gcov_ior_profiler): Likewise.
9010 (__gcov_merge_ior): Likewise.
9012 2007-01-28 Jan Hubicka <jh@suse.cz>
9014 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
9015 * value-prof.c (stringop_block_profile): Likewise.
9017 2007-01-28 Jan Hubicka <jh@suse.cz>
9019 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
9020 variant handling histograms; add wrapper.
9021 (clear_storage_via_libcall): Export.
9022 (emit_block_move_hints): Break out from ...; add histograms.
9023 (emit_block_move): ... this one.
9024 (clear_storage_hints): Break out from ...; add histograms.
9025 (clear_storage): ... this one.
9026 (set_storage_via_memset): Handle histogram.
9027 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
9028 (clear_storage_hints, clear_storage_via_libcall): Declare.
9029 (set_storage_via_setmem): Update prototype.
9030 * doc/md.texi (movmem, setmem): Document new arguments.
9032 * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
9033 new histograms.
9034 (stringop_block_profile): New global function.
9035 (tree_stringops_values_to_profile): Profile block size and alignment.
9036 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
9037 HIST_TYPE_IOR.
9038 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
9039 (stringop_block_profile): Declare.
9040 * builtins.c: Include value-prof.h.
9041 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
9042 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
9043 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
9044 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
9045 * profile.c (instrument_values): Add new counters.
9046 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
9047 calls.
9048 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
9049 (tree_init_edge_profiler): Build new profilers.
9050 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
9051 (pass_tree_profile): Add dump.
9052 (tree_profile_hooks): Update.
9053 * Makefile.in (LIBGCOV): Add new constants.
9054 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
9055 __gcov_ior_profiler): New.
9056 * i386.md (movmem/setmem expanders): Add new optional arguments.
9058 2007-01-28 David Edelsohn <edelsohn@gnu.org>
9060 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
9062 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
9064 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
9065 (tree_unswitch_single_loop): Pass eni_size_weights to
9066 tree_num_loop_insns.
9067 * tree-ssa-loop-manip.c: Include tree-inline.h.
9068 (can_unroll_loop_p): Pass eni_size_weights to
9069 tree_num_loop_insns.
9070 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
9071 Pass eni_size_weights to estimate_num_insns.
9072 * tree.h (init_inline_once): Export.
9073 * toplev.c (backend_init): Call init_inline_once.
9074 * cgraphunit.c (cgraph_process_new_functions,
9075 cgraph_analyze_function): Pass eni_inlining_weights to
9076 estimate_num_insns.
9077 * ipa-inline.c (compute_inline_parameters): Ditto.
9078 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
9079 to estimate_num_insns.
9080 (try_unroll_loop_completely): Pass eni_size_weights to
9081 tree_num_loop_insns.
9082 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
9083 ot estimate_num_insns.
9084 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
9085 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
9086 * tree-inline.c (eni_inlining_weights, eni_size_weights,
9087 eni_time_weights): New variables.
9088 (init_inline_once): Initialize them.
9089 (struct eni_data): Mew.
9090 (estimate_num_insns_1, estimate_num_insns): Use weights.
9091 * tree-inline.h (struct eni_weights_d): New.
9092 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
9093 (estimate_num_insns): Declaration changed.
9094 * cfgloop.h (tree_num_loop_insns): Declaration changed.
9095 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
9096 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
9098 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
9100 * tree-data-ref.c (conflict_fn): Assert that the number of affine
9101 relations in the conflict function is valid.
9103 2007-01-27 Ian Lance Taylor <iant@google.com>
9105 * common.opt: Add fstrict-overflow.
9106 * opts.c (decode_options): Set flag_strict_overflow if -O2.
9107 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
9108 (TYPE_OVERFLOW_UNDEFINED): Define.
9109 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
9110 Replace all uses.
9111 * tree.h (TYPE_TRAP_SIGNED): Don't define.
9112 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
9113 (fold_negate_expr): Likewise.
9114 (make_range): Likewise.
9115 (extract_muldiv_1): Likewise.
9116 (maybe_canonicalize_comparison): Likewise.
9117 (fold_comparison): Likewise.
9118 (fold_binary): Likewise.
9119 (tree_expr_nonnegative_p): Likewise.
9120 (tree_expr_nonzero_p): Likewise.
9121 * tree-vrp.c (compare_values): Likewise.
9122 (extract_range_from_binary_expr): Likewise.
9123 (extract_range_from_unary_expr): Likewise.
9124 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
9125 Likewise.
9126 (nowrap_type_p): Likewise.
9127 * tree-scalar-evolution.c (simple_iv): Likewise.
9128 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
9129 (build_range_check): Likewise.
9130 (extract_muldiv_1): Likewise.
9131 (fold_comparison): Likewise.
9132 * tree-vrp.c (vrp_int_const_binop): Likewise.
9133 (extract_range_from_unary_expr): Likewise.
9134 * convert.c (convert_to_integer): Likewise.
9135 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
9136 (fold_comparison): Likewise.
9137 (fold_binary): Likewise.
9138 * optabs.c (optab_for_tree_code): Likewise.
9139 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
9140 * simplify-rtx.c (simplify_const_relational_operation): Check
9141 flag_strict_overflow and flag_trapv.
9142 (simplify_const_relational_operation): Likewise.
9143 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
9144 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
9145 -fstrict-overflow.
9147 2007-01-27 Roger Sayle <roger@eyesopen.com>
9149 * tree.c (tree_fold_gcd): Delete.
9150 * tree.h (tree_fold_gcd): Remove prototype.
9151 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
9152 test whether one constant integer is a multiple of another. Instead
9153 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
9154 * fold-const.c (multiple_of_p): We've determined both TOP and
9155 BOTTOM are integer constants so we can call int_const_binop directly
9156 instead of the more generic const_binop.
9158 2007-01-27 Roger Sayle <roger@eyesopen.com>
9160 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
9161 1*X check that the constant hasn't overflowed, to preserve the
9162 TREE_OVERFLOW bit.
9163 (round_up): Provide an efficient implementation when rouding-up an
9164 INTEGER_CST to a power-of-two.
9166 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
9168 * doc/sourcebuild.texi: Add comma for clarity.
9169 * doc/extend.texi: Fix some typos.
9170 * doc/passes.texi: Likewise.
9171 * doc/cppinternals.texi: Likewise.
9172 * doc/c-tree.texi: Likewise.
9173 * doc/tree-ssa.texi: Likewise.
9174 * doc/install.texi: Likewise.
9176 2007-01-27 Jan Hubicka <jh@suse.cz>
9178 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
9179 (pass_sra): Do not require alias information.
9180 * passes.c (init_optimization_passes): Add SRA
9182 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
9184 * tracer.c (rest_of_handle_tracer): We already cleaned
9185 up the CFG in tracer() so don't do it here again.
9186 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
9187 cleanup_cfg here, either. And don't call renumber_insns.
9189 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
9190 and BB_HEAD are in the insn stream here. Instead make sure
9191 that BB_INSN is valid on all insns. Also, do check here that
9192 there are no pending branch predictions...
9193 (rtl_verify_flow_info): ...instead of doing it here. Checks
9194 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
9195 here.
9197 2007-01-26 Roger Sayle <roger@eyesopen.com>
9199 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
9200 function to simplify/factorize operand order canonicalization.
9201 (ix86_fixup_binary_operands): Reorganize using the above function.
9202 (ix86_binary_operator_ok): Likewise.
9204 2007-01-27 Jakub Jelinek <jakub@redhat.com>
9206 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
9207 file scope from optimize_attrs.
9208 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
9209 up search.
9210 (optimize_attrs): Clear insn_code_values after freeing it.
9212 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
9214 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
9215 a parts.base assignment.
9217 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
9219 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
9220 (compute_subscript_distance, initialize_data_dependence_relation,
9221 finalize_ddr_dependent, analyze_ziv_subscript,
9222 analyze_siv_subscript_cst_affine,
9223 compute_overlap_steps_for_affine_univar,
9224 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
9225 analyze_siv_subscript, analyze_miv_subscript,
9226 analyze_overlapping_iterations, subscript_dependence_tester_1,
9227 compute_self_dependence, free_dependence_relation): Work
9228 with affine_fn instead of chrecs.
9229 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
9230 common_affine_function, affine_function_base,
9231 affine_function_constant_p, affine_fn_op, affine_fn_plus,
9232 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
9233 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
9234 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
9235 (all_chrecs_equal_p): Removed.
9236 * tree-data-ref.h (affine_fn, conflict_function): New types.
9237 (struct subscript): Change type of conflicting_iterations_in_a
9238 and conflicting_iterations_in_b.
9240 2007-01-26 Steve Ellcey <sje@cup.hp.com>
9242 PR other/30182
9243 * config/pa/pa.h (TARGET_HPUX_11): New.
9244 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
9245 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
9247 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
9248 Richard Guenther <rguenther@suse.de>
9250 * tree-ssa-structalias.c (solve_graph): Handle case
9251 we merged the variable to another.
9253 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9255 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
9256 functions.
9258 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
9259 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
9261 2007-01-25 DJ Delorie <dj@redhat.com>
9263 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
9264 allow changes to modes which don't fit in those registers.
9266 * reload1.c (choose_reload_regs): Check for invalid subregs before
9267 computing their locations, not after.
9269 2007-01-25 Geoffrey Keating <geoffk@apple.com>
9271 PR 25127
9272 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
9273 save Altivec registers in an eh_return function.
9274 (compute_vrsave_mask): Likewise.
9275 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
9276 for saving Altivec registers.
9277 (rs6000_emit_prologue): Don't allocate stack twice in
9278 eh_return function. Correct expected value of altivec_save_offset
9279 when using save_world. Describe save of R0 to stack when using
9280 save_world. Describe stack pointer adjustment when using
9281 save_world. Remove duplicated eh_return parameter register saving.
9282 Update sp_offset variable after save_world.
9283 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
9284 darwin-world.asm.
9285 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
9286 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
9287 implies Altivec.
9289 2007-01-25 Steve Ellcey <sje@cup.hp.com>
9291 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
9293 2007-01-25 Steve Ellcey <sje@cup.hp.com>
9295 PR other/30182
9296 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
9297 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
9299 2007-01-25 Richard Guenther <rguenther@suse.de>
9301 * doc/invoke.texi (-Wcoverage-mismatch): Document.
9302 * common.opt (-Wcoverage-mismatch): New warning option.
9303 * coverage.c (get_coverage_counts): Ignore coverage mismatch
9304 if -Wcoverage-mismatch is given.
9306 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
9308 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
9309 (ipcp_driver): Change to static definition.
9310 Add dumping of the ifunctions.
9311 (constant_val_insert): Remove unused parameter. Support for SSA.
9312 (ipcp_propagate_const): Support for SSA.
9313 (ipcp_profile_bb_print): Print only analyzed nodes.
9314 (ipcp_replace_map_create): Remove support for Fortran constant
9315 for now.
9316 * ipa-prop.c (ipa_method_modify_stmt,
9317 ipa_callsite_compute_param): Support for SSA.
9318 * ipa-prop.h (ipcp_driver): Remove declaration.
9319 (IS_VALID_TREE_MAP_INDEX): Add define.
9321 2007-01-24 Geoffrey Keating <geoffk@apple.com>
9323 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
9325 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9327 PR middle-end/30447
9328 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
9329 constant argument to cabs and do it without checking for
9330 -funsafe-math-optimizations.
9332 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
9334 * c-common.h (RID_FIRST_CXX0X): New.
9335 (RID_LAST_CXX0X): New.
9336 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
9337 by -Wall.
9338 * c.opt (Wc++0x-compat): New.
9339 * doc/invoke.texi (-Wc++0x-compat): Document.
9341 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9343 * builtins.c (fold_builtin_carg): New.
9344 (fold_builtin_1): Use it.
9346 2007-01-24 Jan Hubicka <jh@suse.cz>
9348 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
9350 * ipa-inline.c (initial_insns, max_insns): Delete.
9351 (compute_max_insns): New function.
9352 (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
9353 of insns as base for code growth.
9354 (cgraph_decide_inlining): Make initial_insns local; do not compute
9355 max_insns.
9356 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
9357 * doc/invoke.texi (inline-unit-growth): Update docs.
9359 2007-01-24 Jakub Jelinek <jakub@redhat.com>
9361 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
9362 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
9363 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
9364 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
9365 for CPUs that have PTA_CX16 set.
9367 PR middle-end/27416
9368 * gimplify.c (omp_check_private): New function.
9369 (gimplify_scan_omp_clauses): Use it for
9370 firstprivate/lastprivate/reduction.
9372 PR middle-end/30494
9373 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
9374 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
9376 PR middle-end/30421
9377 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
9378 If lower_lastprivate_clauses emits some statements, append them
9379 to dlist rather than body_p and to body_p append an initializer.
9380 (lower_omp_for): Adjust caller.
9382 2007-01-24 Steve Ellcey <sje@cup.hp.com>
9384 * target.h (globalize_decl_name): New.
9385 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9386 * output.h (default_globalize_decl_name): New.
9387 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
9388 globalize_label.
9389 (globalize_decl): Ditto.
9390 (default_globalize_decl_name): New.
9391 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
9392 (ia64_handle_version_id_attribute): New.
9393 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9394 (ia64_asm_output_external): Use globalize_decl_name instead
9395 of globalize_label.
9396 * doc/extend.texi (version_id): New pragma.
9397 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
9399 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
9401 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
9402 _uleb128_t and _Unwind_SWord with _sleb128_t.
9403 * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
9404 uw_frame_state_for, uw_update_context_1): Likewise.
9405 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
9406 * unwind-pe.h (read_uleb128, read_sleb128,
9407 read_encoded_value_with_base): Likewise.
9408 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
9410 2007-01-24 Richard Guenther <rguenther@suse.de>
9412 * builtins.c (expand_builtin_cexpi): Get the fndecl
9413 for cexp in the correct way.
9415 2007-01-24 Jan Hubicka <jh@suse.cz>
9417 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
9419 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
9421 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
9422 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
9423 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
9424 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
9425 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
9426 __SIZEOF_PTRDIFF_T__.
9427 * doc/cpp.texi: Documentation for the new builtin macros added.
9429 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
9431 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
9432 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
9433 instead of operands[2] to avoid access past the end of array.
9435 2007-01-24 Richard Sandiford <richard@codesourcery.com>
9437 * reload1.c (emit_reload_insns): Pass the reload register
9438 for a non-spill output reload through forget_old_reloads_1.
9440 2007-01-23 Joseph Myers <joseph@codesourcery.com>
9442 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
9443 _SOFT_DOUBLE if doubles use software floating-point.
9444 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
9445 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9446 * config/rs6000/darwin-ldouble.c: Also compile functions for
9447 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
9448 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9449 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
9450 commented-out long double override.
9451 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
9452 * config/rs6000/eabispe.h: Likewise.
9453 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
9454 long double for non-SPE.
9455 (rs6000_handle_option): Likewise.
9456 (invalid_e500_subreg): Disallow more subregs involding DImode,
9457 DFmode, TImode or TFmode.
9458 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
9459 E500 double.
9460 (legitimate_lo_sum_address_p): Also check for TFmode for E500
9461 double.
9462 (rs6000_legitimize_address): Also handle TFmode for E500 double.
9463 (rs6000_legitimize_reload_address): Also handle TFmode for E500
9464 double.
9465 (rs6000_legitimate_address): Also check for TFmode for E500
9466 double.
9467 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
9468 (spe_build_register_parallel): Handle TFmode and TCmode.
9469 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
9470 double.
9471 (function_arg): Handle TFmode and TCmode for E500 double.
9472 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
9473 in general.
9474 (print_operand): Handle TFmode and TImode for %y.
9475 (rs6000_generate_compare): Handle TFmode comparisons for E500
9476 double.
9477 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
9478 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
9479 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
9480 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
9481 TFmode for E500 double.
9482 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
9483 (floatsidf2): Enable for E500 double.
9484 (movtf_softfloat): Use rs6000_nonimmediate_operand.
9485 (extenddftf2): Change to extenddftf2_fprs.
9486 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
9487 depending on TARGET_E500_DOUBLE.
9488 (extendsftf2): Enable for E500 double.
9489 (trunctfdf2): Enable for E500 double.
9490 (trunctfsf2): Change to trunctfsf2_fprs.
9491 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
9492 depending on TARGET_E500_DOUBLE.
9493 (floatsitf2): Enable for E500 double.
9494 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
9495 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
9496 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
9497 (negtf2): Change to negtf2_internal.
9498 (negtf2): New expander.
9499 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
9500 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
9501 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
9502 (movdi_internal32): Use rs6000_nonimmediate_operand.
9503 (unnamed splitter): Likewise.
9504 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
9505 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
9506 (SPE64TF, DITI): New mode macros.
9507 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
9508 modes.
9509 (frob_tf_ti): New.
9510 (frob_<mode>_di_2): New.
9511 (frob_tf_di_8_2): New.
9512 (frob_di_df): Change to frob_di_<mode>; allow more modes.
9513 (frob_ti_tf): New.
9514 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
9515 more modes.
9516 (frob_ti_<mode>_8_2): New.
9517 (frob_ti_tf_2): New.
9518 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
9519 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
9520 TFmode.
9521 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
9522 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
9523 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
9524 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
9525 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
9526 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
9527 tsttflt_gp): New.
9529 2007-01-23 Ian Lance Taylor <iant@google.com>
9531 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
9532 insn-*.o first.
9533 (OBJS-archive): Reformat, alphabetize.
9534 (OBJS): Change out_object_file to OBJS-md.
9536 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
9538 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
9539 JUMP_P and CALL_P predicates where applicable.
9540 * config/i386/i386.c: Ditto.
9541 * config/i386/i386.md: Ditto.
9542 * config/i386/mmx.md: Ditto.
9543 * config/i386/predicates.md: Ditto.
9545 2007-01-22 Andreas Schwab <schwab@suse.de>
9547 * config/m68k/m68k.h: Fix comment.
9549 2007-01-22 Jan Hubicka <jh@suse.cz>
9551 * passes.c (init_optimization_passes): Do not rerun
9552 pass_early_warn_uninitialized.
9554 2007-01-22 Richard Guenther <rguenther@suse.de>
9556 PR tree-optimization/30038
9557 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
9558 function.
9559 (execute_cse_sincos_1): Likewise.
9560 (execute_cse_sincos): Likewise.
9561 (gate_cse_sincos): Likewise.
9562 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
9563 the cexpi() canonicalization of sincos().
9564 * tree-pass.h (pass_cse_sincos): Declare.
9565 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
9567 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9569 PR rtl-optimization/29329
9570 * combine.c (replaced_rhs_insn): Rename to i2mod.
9571 (replaced_rhs_value): Rename to i2mod_new_rhs.
9572 (i2mod_old_rhs): New global variable.
9573 (combine_instructions): Adjust for above change. Save a copy of
9574 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
9575 note are substituted in the second instruction.
9576 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
9577 ditch the note if it pertains to the second eliminated register
9578 and this register is mentioned in i2mod_old_rhs.
9580 Revert:
9581 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
9583 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
9584 the insn to which the note was originally attached.
9586 2007-01-21 Jan Hubicka <jh@suse.cz>
9588 * ipa-inline.c (inlining_mode): Comment, move up.
9589 (cgraph_decide_inlining_incrementally): Do not perform inlining
9590 itself; fix handling of flattening of self recursive functions.
9591 (cgraph_find_cycles): Remove.
9592 (cgraph_flatten_node): Remove.
9593 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
9594 (try_inline): New function.
9595 (cgraph_early_inlining): Update call of
9596 cgraph_decide_inlining_incrementally. Apply inlining here.
9597 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
9599 2007-01-21 Dirk Mueller <dmueller@suse.de>
9601 PR bootstrap/30511
9602 * tree-vrp.c (check_array_bounds): do not warn
9603 about ADDR_EXPR's of ARRAY_REF's which are immediately
9604 used in binary expressions.
9606 2007-01-21 Ira Rosen <irar@il.ibm.com>
9608 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
9609 read_write_dep and macros for its access.
9610 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
9611 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
9612 argument, call vect_check_interleaving for every independent pair of
9613 data-refs. Mark loads that access the same memory location as a store
9614 in the loop.
9615 (vect_check_dependences): Remove.
9616 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
9617 call, fix the call to vect_analyze_data_ref_dependence.
9618 (vect_analyze_data_ref_access): For statements that access the same
9619 data-ref, check that they are not stores; for loads, check that there
9620 is no store that access the same location.
9622 2007-01-20 Roger Sayle <roger@eyesopen.com>
9623 Joseph Myers <joseph@codesourcery.com>
9625 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
9626 (-fdump-rtl-stack): Likewise.
9627 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
9628 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
9629 (-mpt-fixed): Use @minus{} for minus sign.
9630 (Using Precompiled Headers): Fix under/overfull hbox.
9632 2007-01-20 Jan Hubicka <jh@suse.cz>
9634 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
9635 place within annotation.
9637 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9639 * pa.c (output_move_double): Change array size of xoperands to 4.
9641 2007-01-20 Jan Hubicka <jh@suse.cz>
9643 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
9644 as temporary.
9646 2007-01-19 Ian Lance Taylor <iant@google.com>
9648 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
9649 constant to unsigned HOST_WIDE_INT before negating.
9651 2007-01-19 Ian Lance Taylor <iant@google.com>
9653 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
9654 to unsigned.
9655 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
9656 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9657 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
9658 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
9659 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9660 (realloc_vdef, realloc_vuse): Change second parameter to
9661 unsigned.
9662 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
9663 fields to unsigned.
9664 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
9665 unsigned. Change x and lim locals to unsigned.
9666 (realloc_vdef, realloc_vuse): Change num_elem parameter to
9667 unsigned.
9668 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
9669 (copy_virtual_operands): Change i and n locals to unsigned.
9671 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9673 PR middle-end/29335
9674 * builtins.c (fold_builtin_1): Handle builtin fdim.
9676 2007-01-20 Jan Hubicka <jh@suse.cz>
9678 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
9679 * tree-ssa-structalias.c (compute_points_to_sets): Do call
9680 init_alias_heapvars.
9681 (init_alias_heapvars): Initialize only when not already initialized.
9682 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
9684 2007-01-19 Roger Sayle <roger@eyesopen.com>
9686 * common.opt (fsigned-zeros): New command line option.
9687 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
9688 of flag_unsafe_math_optimizations.
9689 * opts.c (set_fast_math_flags): The -ffast-math command line option
9690 implies -fno-signed-zeros.
9691 (fast_math_flags_set_p): Likewise.
9693 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
9694 the documentation of -ffast-math appropriately. Wrap long lines.
9696 2007-01-19 Steve Ellcey <sje@cup.hp.com>
9698 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
9699 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
9701 2007-01-19 Tomas Bily <tbily@suse.cz>
9703 * cgraphunit.c (cgraph_finalize_function): Updating of pid
9704 * tree-profile.c:
9705 (tree_init_ic_make_global_vars): New function
9706 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
9707 (tree_gen_ic_profiler): New function
9708 (tree_gen_ic_func_profiler): New function
9709 (tree_profiling): Added calling of tree_gen_ic_func_profiler
9710 (tree_profile_hooks): Added hook for indirec/virtual calls
9711 * value-prof.c (tree_find_values_to_profile): New case for
9712 indirect calls
9713 (tree_values_to_profile): Call for determining indirect/virtual
9714 counters
9715 (tree_indirect_call_to_profile): New function
9716 (tree_ic_transform): New function
9717 (tree_ic): New function
9718 (find_func_by_pid): New function
9719 (init_pid_map): New function
9720 (tree_value_profile_transformations): Added check for
9721 indirect/virtual call transformation
9722 * value-prof.h (enum hist_type): New counter type for
9723 indirect/virtual calls
9724 (profile_hooks): Added new hook for profiling indirect/virtual
9725 calls
9726 * profile.c (instrument_values): New case for indirect/virtual
9727 call added
9728 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
9729 (GCOV_COUNTER_V_INDIR): New counter type
9730 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
9731 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
9732 call added
9733 * cgraph.c: Definition of cgraph_max_pid
9734 (cgraph_create_node): Default init of pid attribute
9735 * cgraph.h: Declaration of cgraph_max_pid
9736 (struct cgraph_node): Added pid attribute
9737 * libgcov.c (__gcov_indirect_call_profiler): New function
9738 (__gcov_one_value_profiler_body): New function
9739 (__gcov_one_value_profiler): Body was moved to
9740 __gcov_one_value_profiler_body and calls it
9742 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
9744 * doc/gty.texi (Options): Document the mark_hook option to GTY.
9745 * gengtype.c (write_types_data, write_func_for_structure,
9746 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
9747 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
9748 (walk_type, write_func_for_structure): Generate the mark_hook if
9749 needed.
9751 2007-01-19 Jan Hubicka <jh@suse.cz>
9753 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
9754 'early' argument take inlining mode argument specifying whether to
9755 inline for size/speeed or all functions; add support for flattening;
9756 improve dumpting.
9757 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
9759 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9761 PR c++/17947
9762 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
9763 the name of the declared identifier.
9765 2007-01-19 Dirk Mueller <dmueller@suse.de>
9767 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
9768 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
9769 duplicate evaluation.
9771 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
9773 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
9774 Macroize expander using X87MODEF12 mode macro. Extend operand 1
9775 to XFMode, use acosxf2 and truncate result to requested mode.
9776 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
9777 (asin<mode>2): Similarly, with asin expanders.
9778 (*fscalexf4_i387): Rename from *fscalexf4.
9779 (expNcorexf3): New expander.
9780 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
9781 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
9782 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
9783 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
9784 patterns for SSE math.
9785 (exp10<mode>2): Similarly, with exp10 expanders.
9786 (exp2<mode>2): Similarly, with exp2 expanders.
9787 (expm1<mode>2): Similarly, with expm1 expanders.
9788 (ldexp<mode>3): Similarly, with ldexp expanders.
9789 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
9790 Use gen_truncxf<mode>2_i387_noop to truncate result.
9792 2007-01-19 Richard Sandiford <richard@codesourcery.com>
9794 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
9795 for ColdFire targets.
9797 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
9798 Richard Sandiford <richard@codesourcery.com>
9800 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
9801 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
9802 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
9803 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
9804 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
9805 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
9807 2007-01-19 Richard Sandiford <richard@codesourcery.com>
9809 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
9810 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
9811 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
9812 (*adddi_dilshr32_cf): New pattern.
9813 (adddi3, subdi3): Remove first alternatives.
9815 2007-01-19 Richard Sandiford <richard@codesourcery.com>
9817 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
9818 implemented using move.l, do not use its cc result for floating-point
9819 comparisons.
9821 2007-01-19 Richard Sandiford <richard@codesourcery.com>
9823 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
9824 from accepting 's' constraints if flag_pic.
9826 2007-01-19 Richard Sandiford <richard@codesourcery.com>
9828 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
9829 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
9830 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
9831 condition from TARGET_68881 to TARGET_HARD_FLOAT.
9833 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
9835 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
9836 ColdFire alternatives.
9837 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
9838 * config/m68k/m68k.md (clzsi2): Define for ColdFire
9839 architectures that support ff1 instruction.
9841 2007-01-19 Richard Sandiford <richard@codesourcery.com>
9842 Julian Brown <julian@codesourcery.com>
9844 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
9845 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
9846 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
9847 Add commentary.
9849 2007-01-19 Richard Sandiford <richard@codesourcery.com>
9851 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
9852 and return a bool.
9853 (output_move_const_into_data_reg, output_move_simode_const): Delete.
9854 * config/m68k/m68k.c (const_method, const_int_cost): Take a
9855 HOST_WIDE_INT instead of an rtx.
9856 (m68k_rtx_costs): Update call accordingly.
9857 (output_move_const_into_data_reg): Likewise. Fix formatting.
9858 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
9859 Return a bool.
9860 (output_move_simode_const): Update calls after above changes.
9861 Rework to use automatic variables and predicates like MEM_P.
9862 * config/m68k/m68k.md (pushexthisi_const): Update call to
9863 valid_mov3q_const.
9865 2007-01-19 Dirk Mueller <dmueller@suse.de>
9867 * tree-ssa-alias.c (perform_var_substitution): Fix typo
9868 in dump_flags test.
9870 2007-01-19 Richard Guenther <rguenther@suse.de>
9872 * builtins.c (expand_builtin_cexpi): Fall back to expanding
9873 via cexp in case sincos is not available.
9875 2007-01-19 Richard Guenther <rguenther@suse.de>
9877 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
9878 * defaults.h (TARGET_HAS_SINCOS): Default to off.
9879 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
9880 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
9881 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
9882 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
9883 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
9884 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
9886 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
9888 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
9889 New insn patterns.
9890 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
9891 (atan2xf3): Directly generate RTL pattern.
9892 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
9893 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
9894 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
9895 disable patterns for SSE math.
9896 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
9897 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
9898 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
9899 disable patterns for SSE math.
9901 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
9903 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
9905 2007-01-18 Roger Sayle <roger@eyesopen.com>
9907 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
9908 VIEW_CONVERT_EXPR to the same type as it's operand.
9910 2007-01-18 David Edelsohn <edelsohn@gnu.org>
9912 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
9913 configured for long double 128.
9915 2007-01-18 Mike Stump <mrs@apple.com>
9917 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
9918 error.
9920 2007-01-18 Michael Meissner <michael.meissner@amd.com>
9922 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
9923 type correct.
9925 2007-01-18 Jan Hubicka <jh@suse.cz>
9927 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
9928 greater than NUM_VOP_FREE_BUCKETS.
9930 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
9932 * tree-ssa-structalias.c: Update comments.
9933 (ptabitmap_obstack): Removed.
9934 (pta_obstack): New.
9935 (oldpta_obstack): Ditto.
9936 (stats): Add a few members.
9937 (struct variable_info): Remove node, complex, address_taken, and
9938 indirect_target members. Add oldsolution member.
9939 (new_var_info): Do not initialize removed members.
9940 (constraint_expr_type): Remove INCLUDES.
9941 (constraint_graph): Add size, implicit_preds, rep,
9942 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
9943 (FIRST_REF_NODE): New macro.
9944 (LAST_REF_NODE): Ditto.
9945 (FIRST_ADDR_NODE): Ditto.
9946 (find): New function.
9947 (unite): Ditto.
9948 (dump_constraint): Do not handle INCLUDES.
9949 (insert_into_complex): Do not insert duplicate constraints.
9950 (condense_varmap_nodes): Renamed and rewritten into ...
9951 (merge_node_constraints): This. Also fix bug in handling of
9952 offseted copy constraints.
9953 (clear_edges_for_node): No longer need to deal with preds at all,
9954 or removing associated preds/succs.
9955 (merge_graph_nodes): Deal with indirect_cycles.
9956 Don't deal with predecessors.
9957 (add_implicit_graph_edge): New function.
9958 (add_pred_graph_edge): Ditto.
9959 (add_graph_edge): Don't deal with predecessors.
9960 (build_constraint_graph): Removed.
9961 (build_pred_graph): New function.
9962 (build_succ_graph): Ditto.
9963 (struct scc_info): Removed in_component. Added roots, dfs, and
9964 node_mapping. Remove visited_index, unification_queue.
9965 (scc_visit): Deal with union-find we do now.
9966 Deal with cycles with REF nodes.
9967 (collapse_nodes): Renamed and rewritten to ...
9968 (unify_nodes): This.
9969 (process_unification_queue): Removed.
9970 (topo_visit): Cleanup
9971 (do_da_constraint): Use find.
9972 (do_sd_constraint): Ditto.
9973 (do_ds_constraint): Ditto.
9974 (do_complex_constraint): Ditto.
9975 (init_scc_info): Update for removed and added members.
9976 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
9977 (find_indirect_cycles): This.
9978 (equivalence_class): New variable.
9979 (label_visit): New function.
9980 (perform_variable_substitution): Rewritten.
9981 (free_var_substitution_info): New function.
9982 (find_equivalent_node): Ditto.
9983 (move_complex_constraints): Ditto.
9984 (eliminate_indirect_cycles): Ditto.
9985 (solve_graph): Only propagate changed bits.
9986 Use indirect cycle elimination.
9987 Use find.
9988 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
9989 (tree_id_eq): Renamed to ...
9990 (tree_vi_eq): This. Update for member change
9991 (insert_id_for_tree): Renamed and rewritten to ...
9992 (insert_vi_for_tree): This.
9993 (lookup_id_for_tree): Renamed and rewritten to ...
9994 (lookup_vi_for_tree): This.
9995 (get_id_for_tree): Renamed and rewritten to ...
9996 (get_vi_for_tree): Ditto.
9997 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
9998 (process_constraint): Don't handle INCLUDES.
9999 Remove special ADDRESSOF case.
10000 (find_func_aliases): Rewrite to use vi functions instead of id
10001 ones.
10002 (create_function_info_for): Ditto.
10003 (create_variable_info_for): Ditto.
10004 (intra_create_variable_infos): Ditto.
10005 (merge_smts_into): Ditto.
10006 (find_what_p_points_to): Ditto.
10007 (init_base_vars): Ditto.
10008 (init_alias_vars): Ditto.
10009 (remove_preds_and_fake_succs): New function.
10010 (dump_sa_points_to_info): Dump new stats.
10011 (dump_solution_for_var): Use find.
10012 (set_used_smts): Fix formatting.
10013 (compute_points_to_sets): Updated for new functions.
10014 (ipa_pta_execute): Ditto.
10016 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
10017 Richard Sandiford <richard@codesourcery.com>
10019 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
10020 parallels.
10021 * calls.c (expand_call): If the return value is a PARALLEL,
10022 extract its first member.
10023 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
10024 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10025 use FUNCTION_EXTRA_EPILOGUE.
10026 (m68k_function_value): Return a PARALLEL if the return value
10027 is of a pointer type.
10028 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
10029 (FUNCTION_EXTRA_EPILOGUE): Remove.
10030 * config/m68k/m68k.md (D0_REG): New constant.
10032 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
10034 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10035 output a NOP for empty epilogues.
10037 2007-01-18 Richard Sandiford <richard@codesourcery.com>
10039 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
10040 before function. Extend register save check to include all
10041 registers, not just integer ones.
10043 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
10045 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
10046 (m68k_use_return_insn): ...this.
10047 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
10048 * config/m68k/m68k.c (use_return_insn): Rename to...
10049 (m68k_use_return_insn): ...this.
10050 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
10051 of USE_RETURN_INSN.
10053 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
10055 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
10056 nearest even, fix denormal rounding overflow.
10058 2007-01-18 Richard Sandiford <richard@codesourcery.com>
10060 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
10061 f%$smove and f%$move.
10062 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
10063 (extendsfdf2_cf): Use fdmove instead of f%&move.
10064 (truncdfsf2_cf): Use fsmove instead of f%$smove.
10065 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
10067 2007-01-18 Richard Sandiford <richard@codesourcery.com>
10069 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
10070 GPR<-GPR moves.
10072 2007-01-18 Richard Sandiford <richard@codesourcery.com>
10074 * real.h (real_format): Add a canonical_nan_lsbs_set field.
10075 (coldfire_single_format): Declare.
10076 (coldfire_double_format): Likewise.
10077 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
10078 of qnan_msb_set to determine the lower bits of a canonical
10079 NaN significand.
10080 (encode_ieee_double): Likewise.
10081 (encode_ieee_quad): Likewise.
10082 (ieee_single_format): Initialize canonical_nan_lsbs_set.
10083 (mips_single_format): Likewise.
10084 (ieee_double_format): Likewise.
10085 (mips_double_format): Likewise.
10086 (ieee_extended_motorola_format): Likewise.
10087 (ieee_extended_intel_96_format): Likewise.
10088 (ieee_extended_intel_128_format): Likewise.
10089 (ieee_extended_intel_96_round_53_format): Likewise.
10090 (ibm_extended_format): Likewise.
10091 (mips_extended_format): Likewise.
10092 (ieee_quad_format): Likewise.
10093 (mips_quad_format): Likewise.
10094 (vax_f_format): Likewise.
10095 (vax_d_format): Likewise.
10096 (vax_g_format): Likewise.
10097 (i370_single_format): Likewise.
10098 (i370_double_format): Likewise.
10099 (decimal_single_format): Likewise.
10100 (decimal_double_format): Likewise.
10101 (decimal_quad_format): Likewise.
10102 (c4x_single_format): Likewise.
10103 (c4x_extended_format): Likewise.
10104 (real_internal_format): Likewise.
10105 (coldfire_single_format): New real_format.
10106 (coldfire_double_format): Likewise.
10107 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
10108 canonical_nan_lsbs_set.
10109 (pdp11_d_format): Likewise.
10110 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
10111 if TARGET_COLDFIRE_CPU.
10113 2007-01-18 Richard Sandiford <richard@codesourcery.com>
10115 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
10116 (output_call, m68k_legitimize_call_address): Declare.
10117 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
10118 parenthesees. Add support for a 'W' constraint.
10119 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
10120 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
10121 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
10122 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
10123 variables.
10124 (override_options): Initialize them. Do not set flag_no_function_cse
10125 for TARGET_ID_SHARED_LIBRARY.
10126 (m68k_output_pic_call): Delete.
10127 (m68k_legitimize_call_address): New function.
10128 (print_operand): Remove the %o prefix. Handle the %p prefix.
10129 (output_call): New function.
10130 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
10131 target address from the GOT if symbolic jumps are not allowed.
10132 * config/m68k/m68k.md (call, general_operand): Do not set
10133 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
10134 Merge separate flag_pic and !flag_pic define_insns into...
10135 (*call, *call_value): ...these new patterns. Match the address
10136 rather than the containing MEM and require it to be a call_operand.
10137 Use output_call to generate the asm template.
10138 * config/m68k/predicates.md (const_call_operand): New predicate.
10139 (call_operand): Likewise.
10141 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
10143 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
10144 (STACK_GROWS_DOWNWARD): Define to 1.
10145 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
10146 comments, emphasizing that these values are only defaults.
10147 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
10148 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
10150 2007-01-18 Richard Sandiford <richard@codesourcery.com>
10152 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
10154 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
10155 Richard Sandiford <richard@codesourcery.com>
10157 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
10158 (FP_REGNO_P): New macros.
10159 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
10160 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
10161 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
10162 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
10164 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
10166 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10167 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
10168 to $tmake_file.
10169 * config/m68k/t-floatlib: New file, extracting common code from...
10170 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
10171 * config/m68k/t-uclinux: Here.
10172 * config/m68k/fpgnulib.c: Do not compile extendeed precision
10173 routines on ColdFire targets.
10175 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
10177 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10178 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
10179 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
10180 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
10181 explicitly set MOTOROLA to 1.
10182 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
10184 2007-01-18 Richard Sandiford <richard@codesourcery.com>
10185 Nathan Sidwell <nathan@codesourcery.com>
10187 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
10188 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
10189 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
10190 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
10191 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
10192 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
10193 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
10194 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
10195 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
10196 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10197 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
10198 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
10199 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
10200 (DBX_REGISTER_NUMBER): Delete.
10201 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
10202 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10203 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
10205 2007-01-18 Richard Sandiford <richard@codesourcery.com>
10207 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
10208 * config/flat.h: New file.
10209 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
10210 OBJECT_FORMAT_FLAT.
10211 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
10212 indirect references for -msep-data or -mid-shared-library.
10213 Do not use PC-relative code addresses either.
10214 * config/m68k/m68k.c (override_options): Restrict -fPIC error
10215 to -mpcrel.
10216 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
10217 for shared libraries and crt1.o for executables. Use crti.o and
10218 crtbegin.o.
10219 (ENDFILE_SPEC): Use crtend.o and crtn.o.
10220 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
10221 Do not add -elf2flt or -shared-lib-id options here.
10222 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
10223 Pass -shared-lib-id if -mid-shared-library, taking the library
10224 identifier from -mshared-library-id if given, otherwise
10225 defaulting to 0.
10226 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
10227 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
10228 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
10229 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
10230 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
10231 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
10232 and crtend.o.
10233 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
10234 jump sequence for ISA A and ISA A+.
10235 (PICJUMP): Likewise.
10237 2007-01-18 Richard Sandiford <richard@codesourcery.com>
10239 * config.gcc (m68k-*-uclinux*): Base the port on the common
10240 and m68k GNU/Linux files rather than on the generic ELF ones.
10241 * config/m68k/uclinux.h (TARGET_VERSION): Override.
10242 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
10244 2007-01-18 Julian Brown <julian@codesourcery.com>
10245 Richard Sandiford <richard@codesourcery.com>
10247 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
10248 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10249 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
10250 before redefining.
10251 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
10252 80 unconditionally.
10253 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10255 2007-01-18 Richard Sandiford <richard@codesourcery.com>
10257 * doc/install.texi: Document m68k-uclinuxoldabi.
10258 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
10259 * config/m68k/uclinux-oldabi.h: New file, copied from
10260 config/m68k/uclinux.h.
10262 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
10264 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
10265 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
10266 (m32r_compute_frame_size): Use unsigned for regno.
10267 (m32r_reload_lr): Use gen_frame_mem.
10268 (pop): New.
10269 (m32r_output_function_epilogue): Don't output the function epilogue
10270 textually here.
10271 (m32r_expand_epilogue): New.
10272 (direct_return): Return false if the function has the interrupt
10273 attribute.
10274 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
10275 * config/m32r/m32r.md (epilogue): New expander.
10276 (return_lr, return_rte): New insns.
10277 (return): Make it expander.
10278 (return_normal): New expander.
10280 2007-01-18 Josh Conner <jconner@apple.com>
10282 PR target/30485
10283 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
10284 support for UNLE, UNLT, UNGE, and UNGT.
10286 2007-01-18 Jan Hubicka <jh@suse.cz>
10288 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
10289 * tree-tailcall (add_virtual_phis): Likewise.
10290 (optimize_tail_call): Return TODOs.
10291 (execute_tail_calls): Return TODOs.
10292 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
10293 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
10294 changed.
10295 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
10296 Cleanup cfg using TODO.
10297 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
10298 * passes.c (execute_function_todo): When cleanup did something, remove
10299 unused locals.
10300 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
10301 (make_edges): Don't cleanup_cfg.
10303 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
10305 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
10306 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
10307 operate on the top of stack.
10308 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
10309 register handling of instructions that output to the second
10310 stack slot.
10311 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
10312 (move_for_stack_reg): Special-case check for dead destination
10313 stack slot for constant load of 1.0 inside UNSPEC_TAN.
10315 * config/i386/i386.md (UNSPEC_TAN): New constant.
10316 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
10317 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
10318 to correctly model move of constant 1.0 to top stack slot.
10319 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
10320 (unnamed peephole2 pattern): Remove corresponding peephole2
10321 pattern that optimizes tan insn and loading of constant 1.0.
10322 (tanxf2): Use fptanxf4_i387.
10323 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
10324 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
10325 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
10326 disable patterns for SSE math.
10327 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
10328 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
10330 2007-01-18 Dirk Mueller <dmueller@suse.de>
10331 Richard Guenther <rguenther@suse.de>
10333 PR diagnostic/8268
10334 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
10335 * common.opt (Warray-bounds): Add new warning option.
10336 * c-opts.c (c_common_handle_option): Define -Warray-bounds
10337 if -Wall is given.
10338 * Makefile.in: make tree-vrp.o depend on toplev.h
10339 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
10340 is enabled.
10341 (check_array_refs, check_array_bounds, check_array_ref): New.
10343 2007-01-18 Jan Hubicka <jh@suse.cz>
10345 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
10346 (execute_ssa_ccp): Return flags conditionally.
10347 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
10348 changed.
10349 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
10351 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
10353 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
10354 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
10356 * Makefile.c (GTFILES): Add cfglayout.h.
10357 * gengtype.c (open_base_files): Likewise.
10358 * cfglayout.c (cfg_layout_function_footer,
10359 cfg_layout_function_header) Reindent to make gengtype happy.
10360 * cfglayout.h (cfg_layout_function_footer,
10361 cfg_layout_function_header): Add GTY(()) marker.
10363 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
10365 2007-01-18 Ben Elliston <bje@au.ibm.com>
10367 * genautomata.c (write_automata): Include xstrerror output in the
10368 error message if writing the DFA description file fails.
10370 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
10372 * config/mips/mips-protos.h (mips_output_external): Make it
10373 return void.
10374 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
10375 * config/mips/mips.c (irix_output_external_libcall): Likewise.
10376 (extern_list): Likewise.
10377 (extern_head): Likewise.
10378 (TARGET_ASM_FILE_END): Likewise.
10379 (mips_file_end): Likewise.
10380 (mips_output_external): Rewritten.
10382 2007-01-18 Ben Elliston <bje@au.ibm.com>
10384 * genpreds.c (write_insn_preds_c): Only write out the function
10385 body for regclass_for_constraint if we have register constraints.
10387 2007-01-17 Tom Tromey <tromey@redhat.com>
10389 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
10390 * doc/install.texi (Testing): Use sourceware.org.
10391 (Binaries): Likewise.
10392 (Specific): Likewise.
10393 * doc/contrib.texi (Contributors): Use sourceware.org.
10395 2007-01-17 Anatoly Sokolov <aesok@post.ru>
10397 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
10398 (AVR_ENHANCED): Rename to ...
10399 (AVR_HAVE_MUL): ... new.
10400 (avr_enhanced_p): Rename to ...
10401 (avr_have_mul_p): ... new.
10402 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
10403 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
10404 * config/avr/avr.c (avr_enhanced_p): Rename to ...
10405 (avr_have_mul_p): ... new.
10406 (base_arch_s): Rename 'enhanced' to 'have_mul'.
10407 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
10408 'avr_enhanced_p' and 'enhanced'.
10409 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
10410 AVR_HAVE_MUL instead of AVR_ENHANCED.
10411 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10412 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
10413 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
10414 instead of AVR_ENHANCED.
10415 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10416 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
10417 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
10419 2007-01-17 Ian Lance Taylor <iant@google.com>
10421 * vec.h (VEC_reserve_exact): Define.
10422 (vec_gc_p_reserve_exact): Declare.
10423 (vec_gc_o_reserve_exact): Declare.
10424 (vec_heap_p_reserve_exact): Declare.
10425 (vec_heap_o_reserve_exact): Declare.
10426 (VEC_OP (T,A,reserve_exact)): New static inline function, three
10427 versions.
10428 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
10429 negative parameter.
10430 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
10431 (VEC_OP (T,A,copy)) [all versions]: Likewise.
10432 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
10433 * vec.c (calculate_allocation): Add exact parameter. Change all
10434 callers.
10435 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
10436 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
10437 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
10438 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
10439 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
10440 (vec_heap_p_reserve_exact): New function.
10441 (vec_heap_o_reserve_exact): New function.
10443 2007-01-17 Jan Hubicka <jh@suse.cz>
10445 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
10447 2007-01-17 Eric Christopher <echristo@apple.com>
10449 * config.gcc: Support core2 processor.
10451 2007-01-16 Jan Hubicka <jh@suse.cz>
10453 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
10454 the names, just unlink the chain so we don't crash on dangling pointers
10455 to dead SSA names.
10457 2007-01-16 Jan Hubicka <jh@suse.cz>
10459 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
10460 * tree-pass.h: Reorder to make IPA passes appear toegher.
10461 (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
10462 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
10463 parameters, do not call early inliner.
10464 * ipa-inline.c: Update comments. Include tree-flow.h
10465 (cgraph_decide_inlining): Do not compute inlining parameters.
10466 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
10467 be called with function context set up.
10468 (pass_ipa_inline): Remove unreachable functions before pass.
10469 (cgraph_early_inlining): Simplify assuming to be called from the
10470 PM as local pass.
10471 (pass_early_inline): New pass.
10472 (cgraph_gate_ipa_early_inlining): New gate.
10473 (pass_ipa_early_inline): Turn into simple wrapper.
10474 (compute_inline_parameters): New function.
10475 (gate_inline_passes): New gate.
10476 (pass_inline_parameters): New pass.
10477 (apply_inline): Move here from tree-optimize.c
10478 (pass_apply_inline): New pass.
10479 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
10480 transforming.
10481 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
10482 doing them by hand.
10483 (tree_function_versioning): Do not allocate dummy struct function.
10484 * tree-inline.h (optimize_inline_calls): Update prototype.
10485 * tree-optimize.c (execute_fixup_cfg): Export.
10486 (pass_fixup_cfg): Remove
10487 (tree_rest_of_compilation): Do not apply inlines.
10488 * tree-flow.h (execute_fixup_cfg): Declare.
10489 * Makefile.in (gt-passes.c): New.
10490 * passes.c: Include gt-passes.h
10491 (init_optimization_passes): New passes.
10492 (nnodes, order): New static vars.
10493 (do_per_function_toporder): New function.
10494 (execute_one_pass): Dump current pass here.
10495 (execute_ipa_pass_list): Don't dump current pass here.
10497 2007-01-16 Janis Johnson <janis187@us.ibm.com>
10499 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
10500 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
10502 2007-01-16 David Edelsohn <edelsohn@gnu.org>
10504 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
10505 (strong_alias): Define.
10506 (__gcc_qmul): Provide non-FMA for soft-float.
10507 (__gcc_qdiv): Same.
10508 (__gcc_qneg): New.
10509 (__gcc_qeq): New.
10510 (__gcc_qle): New.
10511 (__gcc_qge): New.
10512 (__gcc_qunord): New.
10513 (__gcc_stoq): New.
10514 (__gcc_dtoq): New.
10515 (__gcc_qtos): New.
10516 (__gcc_qtod): New.
10517 (__gcc_qtoi): New.
10518 (__gcc_qtou): New.
10519 (__gcc_itoq): New.
10520 (__gcc_utoq): New.
10521 (fmsub): New.
10522 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
10523 soft-float functions.
10524 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
10525 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
10526 about long double soft float.
10528 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
10529 Tehila Meyzels <tehila@il.ibm.com>
10531 * tree-vectorizer.h (is_pattern_stmt_p): New.
10532 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
10533 formatting (tabs instead of spaces). Cleanup and clarify setting
10534 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
10535 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
10536 (vectorizable_type_demotion): Check that types are integral.
10537 (vectorizable_type_promotion): Likewise.
10538 (vectorizable_store): Fix typo. Eliminate new-line at end of
10539 comments.
10541 2007-01-16 Jan Hubicka <jh@suse.cz>
10543 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
10544 cgraph edges too.
10546 2007-01-15 Eric Christopher <echristo@apple.com>
10548 * ifcvt.c: Include vec.h, vecprim.h.
10549 (check_cond_move_block): New argument regs.
10550 Reorganize. Add registers used to regs.
10551 (cond_move_process_if_block): Use regs set above as
10552 loop bounds.
10554 2007-01-15 Eric Christopher <echristo@apple.com>
10556 * config/darwin.h: Update copyright.
10557 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
10558 (LINK_COMMAND_SPEC): Add -u.
10559 (LINK_SPEC): Fix umbrella for above.
10561 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
10563 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
10564 glibc CVS.
10566 2007-01-15 Tom Tromey <tromey@redhat.com>
10568 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
10569 * doc/install.texi (Testing): Don't mention jacks.
10570 (Configuration): Document --enable-java-maintainer-mode. Move
10571 --with-java-home to libgcj-specific section. Document
10572 --with-ecj-jar.
10573 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
10575 2007-01-15 Jan Hubicka <jh@suse.cz>
10577 * tree-ssa-dce.c (DCE_TODOs): New.
10578 (propagate_necessity): Return if something changed.
10579 (eliminate_unnecessary_stmts): Likewise.
10580 (perform_tree_ssa_dce): Return TODO flags when needed.
10581 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
10583 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
10585 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
10586 (fyl2x_extend<mode>xf3_i387): New insn pattern.
10587 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
10588 patterns using X87MODEF12 mode macro. Extend operand 1
10589 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10590 (log10<mode>2): Ditto.
10591 (log2<mode>2): Ditto.
10592 (log1p<mode>2): Ditto.
10593 (logb<mode>2): Ditto.
10594 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
10595 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
10596 (*fxtractxf3_i387): Rename from *fxtractxf3.
10597 (fxtract_extend<mode>xf3_i387): New insn pattern.
10598 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
10599 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
10600 and gen_fyl2xxf3_i387().
10602 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10604 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
10605 * cfgloopmanip.c (fix_loop_placement): Made static. Use
10606 get_loop_exit_edges. Changed return type to bool.
10607 * cfgloop.h (fix_loop_placement): Declaration removed.
10609 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
10611 * param.h (MIN_VECT_LOOP_BOUND): New.
10612 * params.def (MIN_VECT_LOOP_BOUND): New.
10613 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
10614 argument - minimum threshold for number of iterations.
10615 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
10616 argument to declaration.
10617 * tree-vect-analyze.c (vect_analyze_operations): Check value of
10618 MIN_VECT_LOOP_BOUND.
10619 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
10620 slpeel_tree_peel_loop_to_edge with additional argument.
10621 (vect_do_peeling_for_alignment): Likewise.
10622 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
10624 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
10626 PR target/30413
10627 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
10628 operands of size 1.
10630 2007-01-14 Jan Hubicka <jh@suse.cz>
10632 * tree-dfa.c (remove_referenced_var): New function.
10633 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
10634 prune referenced vars list too.
10635 * tree-flow.h (remove_referenced_var): Declare.
10637 2007-01-14 Jan Hubicka <jh@suse.cz>
10639 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
10640 separately.
10641 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
10642 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
10643 * except.h (verify_eh_throw_table_statements): Kill prototype.
10644 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
10645 into call exrepssions.
10646 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
10647 eh trhow verifier.
10648 * tree-cfg.c: Include pointer-set.h.
10649 (verify_node_sharing): Work on pointer set.
10650 (verify_eh_throw_stmt_node): New.
10651 (verify_stmts): Use pointers sets, verify throw_stmt.
10653 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
10655 * ipa-reference.c (analyze_function): Consider also addresses taken
10656 in phi nodes.
10658 2007-01-12 Roger Sayle <roger@eyesopen.com>
10660 * c-typeck.c (null_pointer_constant_p): Replace use of
10661 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10662 (build_c_cast): Likewise.
10664 2007-01-12 Roger Sayle <roger@eyesopen.com>
10666 * tree.h (force_fit_type_double): Remove unused final argument.
10667 * c-common.c (constant_expression_warning): Replace use of
10668 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10669 (convert_and_check): Likewise.
10670 (shorten_compare): Update call to force_fit_type_double.
10671 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
10672 * convert.c (convert_to_pointer): Update call to
10673 force_fit_type_double.
10674 * fold-const.c (force_fit_type_double): Remove overflowed_const
10675 argument.
10676 (int_const_binop, fold_convert_const_int_from_int,
10677 fold_convert_const_int_from_real, fold_div_compare,
10678 fold_sign_changed_comparison, fold_unary, fold_negate_const,
10679 fold_abs_const, fold_not_const): Remove the final argument from
10680 calls to force_fit_type_double.
10682 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
10684 * configure.ac: Set insn to "nop" for spu-*-* also.
10685 * configure: Regenerate.
10687 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
10689 * builtins.def : Add BUILT_IN_FREE.
10691 2007-01-12 Jan Hubicka <jh@suse.cz>
10693 PR tree-optimization/30443
10694 * tree-inline.c (tree_function_versioning): Do not optimize when
10695 cloning for inlining.
10697 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
10699 * doc/loop.texi: Document recording of loop exits.
10700 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
10701 (update_single_exits_after_duplication,
10702 update_single_exit_for_duplicated_loop,
10703 update_single_exit_for_duplicated_loops): Removed.
10704 (duplicate_loop_to_header_edge): Do not call
10705 update_single_exits_after_duplication and
10706 update_single_exit_for_duplicated_loops.
10707 (loop_version): Do not update single_exit information.
10708 (fix_loop_structure): Use record_loop_exits instead of
10709 mark_single_exit_loops.
10710 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
10711 the lists of loop exits.
10712 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
10713 split_edge, merge_blocks): Update the lists of loop exits.
10714 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
10715 loop_optimizer_init.
10716 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
10717 of mark_single_exit_loops.
10718 (loop_optimizer_finalize): Call release_recorded_exits.
10719 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
10720 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
10721 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
10722 update single exit information.
10723 * lambda-code.c (perfect_nestify): Ditto.
10724 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
10725 (mark_single_exit_loops): Removed.
10726 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
10727 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
10728 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
10729 functions.
10730 (get_loop_exit_edges, single_exit): Use recorded exit lists.
10731 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
10732 (verify_loop_structure): Verify consistency of the exit lists.
10733 (flow_loops_find): Use alloc_loop. Initialize exits hash.
10734 (set_single_exit): Removed.
10735 * cfgloop.h (struct loop_exit): New function.
10736 (struct loop): single_exit_ field replaced by exits field.
10737 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
10738 (struct loops): Added exits hash.
10739 (mark_single_exit_loops, set_single_exit): Declaration removed.
10740 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
10742 2007-01-12 Richard Sandiford <richard@codesourcery.com>
10744 * doc/invoke.texi: Avoid use of @headitem.
10746 2007-01-12 Richard Sandiford <richard@codesourcery.com>
10748 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
10750 2007-01-12 Richard Sandiford <richard@codesourcery.com>
10752 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
10753 list of targets.
10755 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
10756 Richard Sandiford <richard@codesourcery.com>
10758 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
10759 * config/m68k/m68k.opt: Resort options.
10760 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
10762 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
10763 Richard Sandiford <richard@codesourcery.com>
10765 * doc/invoke.texi: Document the macros that are defined by
10766 m68k's -mtune and -mhard-float options.
10767 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
10768 (m68k_cpp_cpu_family): Likewise.
10769 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
10770 of __ucfv*__ macros. Define __mcffpu__ if generating code for
10771 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
10772 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
10773 (m68k_cpp_cpu_family): Likewise.
10775 2007-01-12 Richard Sandiford <richard@codesourcery.com>
10777 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
10778 macros besides mc68000 as tuning macros. Use a switch statement
10779 to set them and mcpu32.
10781 2007-01-12 Julian Brown <julian@codesourcery.com>
10783 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
10784 (TARGET_68040_ONLY): Rename to...
10785 (TARGET_68040): ...this.
10786 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
10787 * config/m68k/m68k.md: Likewise.
10789 2007-01-12 Julian Brown <julian@codesourcery.com>
10790 Nathan Sidwell <nathan@codesourcery.com>
10791 Richard Sandiford <richard@codesourcery.com>
10793 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
10794 the -mcpu= argument associated with the --with-cpu setting.
10795 Define M68K_DEFAULT_TUNE to the default -mtune= option,
10796 if different from the one implied by the -mcpu setting.
10797 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
10798 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
10799 * doc/invoke.texi: Mention ColdFire in the introduction to the
10800 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
10801 -mno-div and -mhard-float options. Make -m68881 a synonym for
10802 -mhard-float. Document the previously-undocumented -m5206e,
10803 -m528x, -m5307 and -m5407 options. Tweak the existing option
10804 documentation for consistency.
10805 * doc/install.texi: Mention new --with-cpu arguments.
10806 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
10807 default CPU if neither -mcpu nor -march are specified.
10808 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
10809 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
10810 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
10811 using m68k_tune to decide between families that implement the
10812 same ISA. Use m68k_tune to set __mcfv4e__.
10813 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
10814 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
10815 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
10816 (FL_ISA_C, FL_ISA_MMU): New macros.
10817 (MASK_COLDFIRE): Delete.
10818 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
10819 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
10820 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
10821 (TARGET_HARD_FLOAT): Do not define here.
10822 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
10823 (TUNE_68000): New macro.
10824 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
10825 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
10826 (TUNE_CFV2): Redefine in terms of m68k_tune.
10827 (uarch_type, target_device, fpu_type): New enums.
10828 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
10829 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
10830 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
10831 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
10832 (FL_FOR_isa_c): New macros.
10833 (m68k_isa): New enum.
10834 (m68k_target_selection): New structure.
10835 (all_devices, all_isas, all_microarchs): New tables.
10836 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
10837 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
10838 (MASK_ALL_CPU_BITS): Delete.
10839 (m68k_find_selection): New function.
10840 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
10841 Map the legacy target options to a combination of the new ones.
10842 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
10843 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
10844 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
10845 settings.
10846 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
10847 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
10848 properties.
10849 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
10850 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
10851 * config/m68k/m68k-devices.def: New file.
10853 2007-01-12 Richard Sandiford <richard@codesourcery.com>
10854 Nathan Sidwell <nathan@codesourcery.com>
10856 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
10857 (SUBTARGET_EXTRA_SPECS): New macros.
10858 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
10859 use %(asm_cpu_spec) instead.
10860 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
10861 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
10862 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
10863 (EXTRA_SPECS): Rename to...
10864 (SUBTARGET_EXTRA_SPECS): ...this.
10866 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
10867 Richard Sandiford <richard@codesourcery.com>
10868 Julian Brown <julian@codesourcery.com>
10870 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10871 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
10872 to the configuration's default CPU.
10873 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
10874 Remove default masks.
10875 (m680[012]0-*-*): Set the default with_cpu to the first part of
10876 the target name.
10877 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
10878 (m68k*-*-linux): Extend the --with-cpu handling to...
10879 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
10880 and m68010. Don't set target_cpu_default2.
10881 * doc/install.texi: Document --with-cpu for m68k.
10882 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
10883 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
10884 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
10885 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
10886 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
10887 (ASM_SPEC): Remove use of %(asm_cpu_default).
10888 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
10889 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
10890 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
10891 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
10892 __HAVE_FPU__ if TARGET_HARD_FLOAT.
10893 (TARGET_DEFAULT): Delete.
10894 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
10895 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
10896 (CPP_CPU_SPEC): Delete.
10897 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
10898 the appropriate string.
10899 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
10900 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
10901 (ASM_SPEC): Don't use %(asm_default_spec).
10902 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10903 TARGET_DEFAULT and add MASK_68881.
10904 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
10906 2007-01-12 Richard Sandiford <richard@codesourcery.com>
10908 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
10909 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
10910 MASK_68010 alongside MASK_68020.
10911 * doc/invoke.texi: Document -m68010.
10912 * config/m68k/m68k.opt (m68010): New.
10913 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
10914 if TUNE_68010.
10915 (TUNE_68010): New macro.
10916 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
10917 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
10918 (M68K_CPU_m68332): Add MASK_68010.
10919 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
10920 fallback definition.
10921 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
10922 defines.
10923 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
10924 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
10925 to all entries that use MASK_68020.
10926 (output_move_simode_const, output_move_himode, output_move_qimode)
10927 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
10928 instead of TARGET_68020 to select clr behavior. Remove comment
10929 about there being no TARGET_68010.
10930 * config/m68k/m68k.md: Likewise throughout.
10932 2007-01-12 Julian Brown <julian@codesourcery.com>
10934 * config/m68k/m68k.h (TARGET_ISAB): New macro.
10935 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
10936 * config/m68k/m68k.md: Likewise.
10938 2007-01-12 Julian Brown <julian@codesourcery.com>
10940 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
10941 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
10943 2007-01-12 Julian Brown <julian@codesourcery.com>
10945 * config/m68k/m68k.h (TUNE_68040_60): New macro.
10946 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
10947 * config/m68k/m68k.md: Likewise.
10949 2007-01-12 Julian Brown <julian@codesourcery.com>
10950 Richard Sandiford <richard@codesourcery.com>
10952 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
10953 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
10954 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
10955 TARGET_CPU32.
10956 (TARGET_CPU32): Rename to...
10957 (TUNE_CPU32): ...this.
10958 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
10959 (TUNE_CFV2): New macros.
10960 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
10961 remove conditions that are implied by TARGET_68020.
10962 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
10963 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
10964 (m68k_output_function_epilogue): Likewise.
10965 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
10966 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
10967 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
10968 non-68000 timings. Refactor multiplication and division costs.
10969 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
10970 TUNE_CPU32 instead of TARGET_CPU32.
10971 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
10972 and TUNE_68060 instead of TARGET_68060.
10973 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
10974 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
10975 TARGET_CPU32.
10976 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
10977 && !TARGET_COLDFIRE" to choose between moveq and clr.
10978 Likewise in the unnamed movsf pattern.
10979 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
10980 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
10981 ashiftrt pattern.
10983 2007-01-12 Richard Sandiford <richard@codesourcery.com>
10985 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
10986 of tabbing before backslashes.
10988 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10990 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
10991 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
10992 (ASM_OUTPUT_INTERNAL_LABEL): Define.
10994 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10996 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
10997 find_interesting_uses_cond.
10998 (find_interesting_uses_cond): Use extract_cond_operands.
10999 (rewrite_use_compare): Use extract_cond_operands and
11000 force_gimple_operand_bsi. Do not call update_stmt.
11001 (determine_use_iv_cost_condition): Use extract_cond_operands.
11002 Return cheaper of using original bound and changing the exit bound.
11004 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11006 PR tree-optimization/29516
11007 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
11008 most_expensive_mult_to_index, addr_to_parts,
11009 create_mem_ref, maybe_fold_tmr): Make the type of
11010 fields of TARGET_MEM_REF sizetype.
11011 (move_fixed_address_to_symbol, move_pointer_to_base):
11012 New functions.
11013 * tree.def (TARGET_MEM_REF): Add comment on types of
11014 the operands.
11016 2007-01-11 Joseph Myers <joseph@codesourcery.com>
11018 * c-common.c (vector_types_convertible_p): Treat opaque types as
11019 always convertible if they have the same size, but not otherwise.
11021 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
11023 * ifcvt.c (struct noce_if_info): Add comments to the fields.
11024 Remove the b_unconditional field.
11025 (noce_try_sign_mask): Do not look at b_unconditional.
11026 (noce_process_if_block): Do not use merge_if_blocks. Update
11027 the CFG here. Do not set b_unconditional.
11028 (cond_move_process_if_block): Likewise.
11029 (find_cond_trap): Likewise.
11030 (check_cond_move_block): Require simple jump insns at the end
11031 of the basic block.
11033 2007-01-11 Jan Hubicka <jh@suse.cz>
11035 PR tree-optimization/1046
11036 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
11037 when alias info is not ready.
11038 (pass_tail_recursion): Do not require aliasing.
11039 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
11040 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
11041 * tree-ssa-copy.c (pass_copy_prop): Likewise.
11042 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
11043 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
11044 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
11045 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
11046 before inlining.
11047 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
11048 When aliasing is not build, mark statement as volatile.
11050 2007-01-11 Tom Tromey <tromey@redhat.com>
11052 PR preprocessor/15185, PR preprocessor/20989:
11053 * doc/cppopts.texi <-MT>: Update description of algorithm for
11054 computing default target.
11055 <-M, -MD>: Reword "basename" text.
11057 2007-01-11 Roger Sayle <roger@eyesopen.com>
11059 * builtins.c (expand_builtin_pow, expand_builtin_powi,
11060 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
11061 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
11062 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
11063 fold_builtin_bswap, real_constp, fold_builtin_pow,
11064 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
11065 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
11066 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11067 * convert.c (convert_to_pointer): Likewise.
11068 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11069 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
11070 const_binop, fold_convert_const_int_from_int,
11071 fold_convert_const_int_from_real,
11072 fold_convert_const_real_from_real, sign_bit_p,
11073 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
11074 fold_sign_changed_comparison, fold_unary, fold_comparison,
11075 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
11076 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
11077 * print-tree.c (print_node_brief, print_node): Likewise.
11078 * stor-layout.c (place_field, layout_type): Likewise.
11079 * tree-chrec.c (keep_cast): Likewise.
11080 * tree.c (build_vector, build_real, build_real_from_int_cst,
11081 build_complex): Likewise.
11083 2007-01-11 Roger Sayle <roger@eyesopen.com>
11085 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
11086 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
11088 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
11090 * configure.ac (strict1_warn): Rename to strict_warn.
11091 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
11092 cc_set_by_configure, quoted_cc_set_by_configure,
11093 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
11094 all_boot_languages, all_stagestuff): Remove.
11095 (target_list): Remove bootstrap targets.
11096 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
11097 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
11098 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
11099 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
11100 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
11101 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
11102 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
11103 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
11104 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
11105 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
11106 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
11107 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
11108 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
11109 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
11110 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
11111 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
11112 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
11113 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
11114 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
11115 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
11116 (mostlyclean): Adjust.
11117 (clean, distclean): Don't mention bootstrap stuff.
11118 * configure: Regenerate.
11119 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
11120 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
11121 treelang/config-lang.in (stagestuff): Remove.
11122 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
11123 stageprofile, stagefeedback, stagestuff): Remove mention.
11125 2007-01-11 Nick Clifton <nickc@redhat.com>
11127 * config/mcore/predicates.md (mcore_general_movesrc_operand):
11128 Accept CONSTs.
11129 (mcore_general_movdst_operand): Do not accept CONST_INTs.
11130 (mcore_arith_K_S_operand): Run the test for the S constraint not
11131 the test for the M constraint.
11132 (mcore_addsub_operand): Do not accept integer values that are
11133 larger than 32 bits.
11134 * config/mcore/mcore.md: Remove unused constraints from split.
11135 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
11136 (addsi3): Likewise.
11137 (allocate_stack): Likewise.
11138 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
11139 operands to 32 bits.
11140 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
11141 INTVAL.
11142 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
11143 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
11144 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
11145 mcore_output_bclri, mcore_output_andn, output_inline_const,
11146 mcore_output_move, mcore_output_movedouble): Likewise.
11147 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
11148 (output_inline_const): Likewise.
11149 (output_inline_const): Fix format strings used in sprintf
11150 statements.
11151 * config/mcore/mcore-protos.h: Update prototypes for changed
11152 functions in mcore.c.
11153 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
11154 HOST_WIDE_INT and not int.
11155 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
11156 CONST_OK_FOR_N): Likewise.
11157 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
11158 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
11159 an INTVAL.
11161 2007-01-10 Jan Hubicka <jh@suse.cz>
11163 * tree-vrp.c (remove_range_assertions): Release defs.
11164 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
11165 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
11167 2007-01-10 Paul Brook <paul@codesourcery.com>
11169 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
11170 * config/arm/arm.md (mulsi3subsi): New insn.
11172 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
11174 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
11175 (tree_transform_and_unroll_loop): New.
11176 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
11177 Declare.
11179 2007-01-10 Robert Kennedy <jimbob@google.com>
11181 * fold-const.c (fold_comparison): Fold comparisons like (x *
11182 1000 < 0) to (x < 0).
11184 2007-01-10 Ian Lance Taylor <iant@google.com>
11186 * tree-pretty-print.c (dump_generic_node): Print parentheses when
11187 operands have the same priority.
11189 2007-01-10 Tom Tromey <tromey@redhat.com>
11191 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
11192 (fold_binary): Likewise.
11193 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
11194 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
11195 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
11196 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
11197 * langhooks.h (struct lang_hooks): Removed field
11198 'can_use_bit_fields_p'.
11200 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
11202 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
11204 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
11206 * function.c (get_last_funcdef_no): New function.
11207 * function.h (get_last_funcdef_no): Declare.
11208 * tree-inline.c (initialize_cfun): Add initialization.
11209 (tree_function_versioning): Cleanup.
11211 2007-01-10 Jan Hubicka <jh@suse.cz>
11213 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
11214 PHIs.
11216 2007-01-10 Sa Liu <saliu@de.ibm.com>
11217 Ben Elliston <bje@au.ibm.com>
11219 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
11220 for SAVE_NONLOCAL and Pmode for any other save level.
11221 * spu-protos.h (spu_restore_stack_block): Declare.
11222 * spu.md (save_stack_block): Remove.
11223 (restore_stack_block): Call spu_restore_stack_block.
11224 * spu.c (spu_restore_stack_block): New function.
11225 (spu_expand_epilogue): Remove old comment.
11227 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
11229 PR tree-optimization/30322
11230 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
11231 (cand_value_at): Return the value as aff_tree.
11232 (may_eliminate_iv): Convert the bound from aff_tree to tree.
11233 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
11234 aff_combination_mult): New functions.
11235 (aff_combination_add): Use aff_combination_add_cst.
11236 (aff_combination_convert): Allow conversions to a wider type.
11237 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
11238 * tree-affine.h (aff_combination_mult): Declare.
11240 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
11242 * doc/tm.texi: Update documentation to reflect reality of exec
11243 and start file search behaviours. Update copyright year.
11244 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
11245 header file directories.
11247 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
11249 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
11250 (*cosxf2): Rename to cosxf2_i387.
11251 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
11252 using X87MODEF12 mode macro. Rename patterns to
11253 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
11254 for SSE math.
11255 (*cosdf2, *cossf2): Ditto.
11256 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
11257 to match extended input operands.
11258 (sincos<mode>3): New expander.
11259 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
11260 insn patterns and corresponding splitters.
11262 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
11264 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
11265 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
11267 2007-01-09 Nicolas Pitre <nico@cam.org>
11269 PR target/30173
11270 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
11272 2007-01-08 Geoffrey Keating <geoffk@apple.com>
11274 * target.h (struct gcc_target): New field library_rtti_comdat.
11275 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
11276 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
11277 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
11278 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
11280 2007-01-08 Geoffrey Keating <geoffk@apple.com>
11282 * doc/invoke.texi (Optimize Options): Correct description of -O0.
11284 2007-01-08 Richard Guenther <rguenther@suse.de>
11286 * tree.h (force_fit_type_double): Export.
11287 (force_fit_type): Remove.
11288 * fold-const.c (force_fit_type_double): New function.
11289 (force_fit_type): Remove.
11290 (int_const_binop): Use it.
11291 (fold_convert_const_int_from_int): Likewise.
11292 (fold_convert_const_int_from_real): Likewise.
11293 (fold_div_compare): Likewise.
11294 (fold_sign_changed_comparison): Likewise.
11295 (fold_unary): Likewise.
11296 (fold_negate_const): Likewise.
11297 (fold_abs_const): Likewise.
11298 (fold_not_const): Likewise.
11299 * c-common.c (shorten_compare): Use force_fit_type_double.
11300 * convert.c (convert_to_pointer): Likewise.
11302 2007-01-08 Richard Guenther <rguenther@suse.de>
11304 * tree.h (build_int_cst_wide_type): Export.
11305 * tree.c (build_int_cst_wide_type): New function.
11306 (build_int_cst_wide): Fix comment.
11307 * builtins.c (fold_builtin_object_size): Use build_int_cst
11308 to build -1 or 0 of the correct type. Use fit_double_type
11309 to check for overflow.
11310 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
11311 to build the mask.
11312 (decode_field_reference): Likewise.
11313 (all_ones_mask_p): Likewise.
11314 (native_interpret_int): Use build_int_cst_wide_type.
11315 (fold_binary): Use build_int_cst_type to build an all-ones
11316 value.
11317 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
11319 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
11321 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
11323 2007-01-09 Ben Elliston <bje@au.ibm.com>
11325 * genautomata.c (STATS_OPTION): New option.
11326 (stats_flag): New flag.
11327 (gen_automata_option): Handle it.
11328 (initiate_automaton_gen): Ditto.
11329 (write_automata): Output statistics only if stats_flag is
11330 set. Likewise, output time statistics only if time_flag is set.
11331 * doc/md.texi (Processor pipeline description): Document new flag.
11333 2007-01-08 Richard Guenther <rguenther@suse.de>
11335 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
11336 * tree.c (build_int_cst_type): Likewise.
11337 (size_in_bytes): Don't call force_fit_type on the result.
11338 (int_fits_type_p): Use fit_double_type.
11339 * fold-const.c (fit_double_type): New function.
11340 (force_fit_type): Use it.
11341 * tree.h (fit_double_type): Export.
11343 2007-01-08 Jan Hubicka <jh@suse.cz>
11345 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
11346 * ipa.c (function_and_variable_visibility): Fix return type.
11348 2007-01-08 Richard Guenther <rguenther@suse.de>
11350 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
11351 of offset to build the index.
11352 * tree-pretty-print.c (dump_generic_node): Don't build negated
11353 const just for printing.
11354 * c-pretty-print.c (pp_c_integer_constant): Likewise.
11355 * builtins.c (fold_builtin_int_roundingfn): Check if result
11356 fits the type by using force_fit_type and comparing the result.
11357 * predict.c (predict_loops): Use compare_tree_int for comparison.
11358 * tree.c (build_int_cst): Fall back to integer_type_node for
11359 NULL_TREE type.
11360 (build_int_cst_wide): Assert type is non-null.
11362 2007-01-08 Roberto Costa <roberto.costa@st.com>
11364 * tree-vrp.c (extract_range_from_cond_expr): New.
11365 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
11366 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
11367 as expressions.
11368 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
11369 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
11370 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
11371 used as expressions.
11372 * tree-object-size.c (cond_expr_object_size): New.
11373 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
11375 2007-01-08 Jan Hubicka <jh@suse.cz>
11377 * tree-ssa-forwprop.c (forward_propagate_into_cond,
11378 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
11379 statement.
11381 2007-01-08 Richard Guenther <rguenther@suse.de>
11383 PR tree-optimization/23603
11384 * tree-vrp.c (set_value_range_to_truthvalue): New function.
11385 (extract_range_from_binary): Fall back to truthvalue instead of
11386 varying for TRUTH_*_EXPR.
11387 (extract_range_from_comparison): Fall back to truthvalue instead of
11388 varying.
11389 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
11390 if all visited PHI values were constant.
11392 2007-01-08 Jan Hubicka <jh@suse.cz>
11394 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
11395 (cgraph_analyze_function): break out from ...
11396 (cgraph_finalize_compilation_unit): ... here.
11397 (cgraph_expand_function): Remove forgoten commented out line.
11398 (cgraph_optimize): Analyze functions.
11400 2007-01-08 Jan Hubicka <jh@suse.cz>
11402 * tree-pas.h (TODO_remove_function): New flag.
11403 (TODO_update*): Renumber.
11404 (pass_ipa_increase_alignment,
11405 pass_ipa_function_and_variable_visibility): New passes.
11406 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
11407 (cgraph_function_and_variable_visibility): Move to ipa.c
11408 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
11409 cgraph_increase_alignment.
11410 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
11411 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
11412 calling tree-inline.
11413 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
11414 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
11415 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
11416 (gate_increase_alignment): New function.
11417 (pass_ipa_increase_alignment): New pass.
11418 * ipa.c: Inline tree-pass.h and timevar.h
11419 (function_and_variable_visibility): Move here from cgraphunit.c
11420 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
11421 * passes.c (init_optimization_passes): Add the two new passes.
11422 (execute_todo): Handle cgraph_remove_functions.
11424 2007-01-08 Nick Clifton <nickc@redhat.com>
11426 * config/frv/predicates.md (reg_or_0_operand): Accept
11427 CONST_DOUBLEs.
11429 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
11431 * config/bfin/rtems.h, config/bfin/t-rtems: New.
11432 * config.gcc: Add bfin*-rtems*.
11434 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
11436 * c.opt: Add -flax-vector-conversions.
11437 * c-typeck.c (convert_for_assignment): Pass flag to
11438 vector_types_convertible_p to allow emission of note.
11439 (digest_init): Likewise.
11440 * c-opts.c: Handle -flax-vector-conversions.
11441 * c-common.c (flag_lax_vector_conversions): New.
11442 (vector_types_convertible_p): Unless -flax-vector conversions
11443 has been passed, disallow conversions between vectors with
11444 differing numbers of subparts and/or element types. If such
11445 a conversion is disallowed, possibly emit a note on the first
11446 occasion only to inform the user of -flax-vector-conversions.
11447 The new last argument specifies this.
11448 * c-common.h (flag_lax_vector_conversions): New.
11449 (vector_types_convertible_p): Add extra argument.
11450 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
11451 char_type_node for V*QI type vectors.
11452 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
11453 Update to satisfy new typechecking rules.
11454 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
11455 C and C++ variants.
11456 * doc/invoke.texi (C Dialect Options): Document
11457 -flax-vector-conversions.
11459 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
11461 PR tree-optimization/29877
11462 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
11463 a register variable on the RHS to not be replaceable.
11465 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
11466 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
11467 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
11468 const_simm15, const_pow2, const_npow2): Added.
11469 * config/score/misc.md (insv, extv, extzv, movmemsi,
11470 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
11471 * config/score/score.c (score_address_cost, score_select_cc_mode):
11472 Added.
11473 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
11474 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
11475 Update score_print_operand.
11476 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
11477 Adjust register allocate order and update some macro define.
11478 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
11479 mdx_block_move_straight, mdx_block_move_loop_head,
11480 mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
11481 mdx_block_move): Added.
11482 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
11483 mdp_limm): Updated and fix some bug and typo.
11484 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
11485 (movsf, movdf, doloop_end): Added.
11487 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
11489 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
11490 config/arm/thumb2.md: Fix comment typos.
11491 * doc/extend.texi: Fix a typo.
11493 2007-01-07 Eric Christopher <echristo@apple.com>
11495 * configure.ac: Check for __stack_chk_fail for darwin.
11496 * configure: Regenerate.
11498 2007-01-07 Richard Guenther <rguenther@suse.de>
11500 * tree-vrp.c (extract_range_from_assert): CSE calls to
11501 compare_values where possible.
11502 (extract_range_from_unary_expr): Likewise.
11504 2007-01-07 Anatoly Sokolov <aesok@post.ru>
11506 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
11507 * config/avr/avr.c (call_insn_operand): Delete function.
11508 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
11509 instead of register number. Use predicates.
11510 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
11511 call_insn_operand): Add.
11513 2007-01-06 Jan Hubicka <jh@suse.cz>
11515 * tree-pass.h (pass_build_cgraph_edges): Declare.
11516 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
11517 (visited_nodes): Remove.
11518 (cgraph_create_edges): Move to cgraphbuild.c; rename to
11519 build_cgrpah_edges; make visited_nodes local.
11520 (cgraph_process_new_functions): DO not call initialize_inline_failed.
11521 (record_references_in_initializer): Move to cgraphbuild.c
11522 (initialize_inline_failed, rebuild_cgraph_edges,
11523 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
11524 (verify_cgraph_node): Make visited_nodes local.
11525 (cgraph_analyze_function): Do not call cgraph_create_edges and
11526 initialize_inline_failed.
11527 (cgraph_expand_function): Do not call cgraph_lower_function;
11528 assert that function is already lowered.
11529 * Makefile.in (cgraphbuild.o): New.
11530 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
11531 at the end of lowering passes.
11533 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
11535 * ifcvt.c (cond_move_convert_if_block): New function, code
11536 factored out from...
11537 (cond_move_process_if_block): ...here. Call the new function
11538 on the THEN and ELSE blocks.
11539 (merge_if_block): Do not copy global_live_at_end, merge_blocks
11540 already takes care of this.
11542 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11544 PR c/19978
11545 * tree.h (TREE_OVERFLOW_P): New.
11546 * c-typeck.c (parser_build_unary_op): Warn only if result
11547 overflowed and operands did not.
11548 (parser_build_binary_op): Likewise.
11549 (convert_for_assignment): Remove redundant overflow_warning.
11550 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
11552 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11554 * c-typeck.c (store_init_value): Split over two lines to follow
11555 the GNU coding style.
11557 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
11559 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
11560 __GXX_EXPERIMENTAL_CXX0X__.
11561 * doc/cpp.texi: Same.
11563 2007-01-05 Richard Guenther <rguenther@suse.de>
11565 PR middle-end/27826
11566 * tree.c (get_narrower): Do not construct COMPONENT_REFs
11567 with mismatched types. Instead explicitly build a
11568 conversion NOP_EXPR.
11570 2007-01-05 Ian Lance Taylor <iant@google.com>
11572 * c-common.c (decl_with_nonnull_addr_p): New function.
11573 (c_common_truthvalue_conversion): Call it.
11574 * c-typeck.c (build_binary_op): Likewise.
11575 * c-common.h (decl_with_nonnull_addr_p): Declare.
11577 2007-01-05 Jakub Jelinek <jakub@redhat.com>
11579 PR c/30360
11580 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
11581 denom against 0.0.
11583 2007-01-05 Joel Brobecker <brobecker@adacore.com>
11585 * doc/install.texi (Final install): Document the fact that
11586 the GNAT runtime should not be stripped.
11588 2007-01-04 Jan Hubicka <jh@suse.cz>
11590 * tree-inline.c (fold_marked_statements): Update operand caches
11591 and EH after folding
11593 2007-01-04 Ian Lance Taylor <iant@google.com>
11595 * c-common.c (check_function_nonnull): Whitespace fix.
11597 2007-01-04 Jan Hubicka <jh@suse.cz>
11599 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
11600 comitted older version of patch.
11601 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
11602 function, celanup cfg and collect garbage.
11604 2007-01-04 Mike Stump <mrs@apple.com>
11606 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
11607 (clean): Likewise.
11609 2007-01-04 Eric Christopher <echristo@apple.com>
11611 * libgcc2.c (__bswapsi2): Use SItype.
11612 (__bswapdi2): Use DItype.
11613 * libgcc2.h: Update for above.
11615 2007-01-04 Paul Brook <paul@codesourcery.com>
11617 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
11618 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
11619 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
11620 umulsidi3, umulsidi3adddi, smulsi3_highpart,
11621 umulsi3_highpart): Make conditional on !arm_arch6.
11622 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
11623 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
11624 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
11625 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
11626 umulsi3_highpart_v6): New insns.
11628 2007-01-04 Roger Sayle <roger@eyesopen.com>
11630 * fold-const.c (fold_convert): When casting an expression to void,
11631 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
11632 have a type. Instead of attempting to build a NOP_EXPR, return
11633 these "special" trees directly.
11635 2007-01-04 Joseph Myers <joseph@codesourcery.com>
11637 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
11638 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
11639 rs6000_cost->fp not 0 as adjustment for outer NEG.
11641 2007-01-04 Jan Hubicka <jh@suse.cz>
11643 * cgraph.c (cgraph_release_function_body): New function.
11644 (cgraph_remove_node): Use it.
11645 * cgraph.h (cgraph_release_function_body): Declare.
11646 * cgraphunit.c (cgraph_expand_function): Use it.
11647 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
11648 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
11649 is initialized and while compilation of other function is running.
11650 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
11651 statement CFG annotations from here to ...
11652 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
11654 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
11656 * cfgloop.h (enum li_flags): Make the constants powers of two.
11658 2007-01-04 Jan Hubicka <jh@suse.cz>
11660 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
11661 set.
11662 (fold_marked_statements): New function.
11663 (optimize_inline_calls, tree_function_versioning): Fold new statements.
11664 * tree-inline.h (copy_body_data): Add statements_to_fold.
11666 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
11668 * config.gcc: Mention libgcc/config.host.
11669 * Makefile.in: Update comments mentioning libgcc.
11670 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
11671 (all.cross, start.encap, rest.encap, rest.cross): Update
11672 dependencies for libgcc move.
11673 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
11674 (clean-target, clean-target-libgcc): Delete.
11675 (srcdirify, GCC_EXTRA_PARTS): New macros.
11676 (libgcc-support, libgcc.mvars): New rules.
11677 (distclean): Remove mention of mklibgcc.
11678 (install): Don't reference INSTALL_LIBGCC.
11679 (install-common): Don't reference EXTRA_PARTS.
11680 (install-libgcc, install-multilib): Delete rules.
11681 * mklibgcc.in: Delete file.
11682 * doc/configfiles.texi: Don't mention mklibgcc.
11684 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
11685 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
11686 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
11687 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
11688 (mklibgcc, ldblspecs): Likewise.
11690 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
11691 (posixpre.def): Use $(T).
11692 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
11693 (SHLIB_SRC, SHLIB_INSTALL): Delete.
11694 (SHLIB_LINK): Make dummy.
11695 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
11697 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
11699 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
11700 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
11701 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
11702 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
11704 * configure.ac (all_outputs): Remove mklibgcc.
11705 * configure: Regenerated.
11707 2007-01-03 Josh Conner <jconner@apple.com>
11709 PR middle-end/29683
11710 * calls.c (compute_argument_addresses): Set stack and stack_slot
11711 for partial args, too.
11712 (store_one_arg): Use locate.size.constant for the size when
11713 generating a save_area.
11715 2007-01-03 Robert Kennedy <jimbob@google.com>
11717 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
11718 whose definitions are deleted due to basic block merging.
11720 2007-01-03 Paul Brook <paul@codesourcery.com>
11722 PR target/16634
11723 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
11724 functions.
11725 (use_return_insn): Return 0 for Thumb interrupt functions.
11726 (print_multi_reg): Add rfe argument for IRQ returns.
11727 (arm_output_epilogue): Pop interrupt return address directly into PC.
11728 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
11730 2007-01-03 Paul Brook <paul@codesourcery.com>
11732 Merge from sourcerygxx-4_1.
11733 * config/arm/thumb2.md: New file.
11734 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
11735 Thumb-2.
11736 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
11737 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
11738 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
11739 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
11740 tables.
11741 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
11742 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
11743 comptibility.
11744 * config/arm/ieee754-sf.S: Ditto.
11745 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
11746 (thumb1_base_register_rtx_p): ... to this.
11747 (thumb_index_register_rtx_p): Rename...
11748 (thumb1_index_register_rtx_p): ... to this.
11749 (thumb_output_function_prologue): Rename...
11750 (thumb1_output_function_prologue): ... to this.
11751 (thumb_legitimate_address_p): Rename...
11752 (thumb1_legitimate_address_p): ... to this.
11753 (thumb_rtx_costs): Rename...
11754 (thumb1_rtx_costs): ... to this.
11755 (thumb_compute_save_reg_mask): Rename...
11756 (thumb1_compute_save_reg_mask): ... to this.
11757 (thumb_final_prescan_insn): Rename...
11758 (thumb1_final_prescan_insn): ... to this.
11759 (thumb_expand_epilogue): Rename...
11760 (thumb1_expand_epilogue): ... to this.
11761 (arm_unwind_emit_stm): Rename...
11762 (arm_unwind_emit_sequence): ... to this.
11763 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
11764 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
11765 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
11766 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
11767 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
11768 thumb2_output_casesi): New functions.
11769 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
11770 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
11771 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
11772 THUMB2_WORK_REGS): Define.
11773 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
11774 arm_condexec_mask, arm_condexec_masklen)): New variables.
11775 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
11776 (arm_override_options): Check new CPU capabilities.
11777 Set new architecture flag variables.
11778 (arm_isr_value): Handle v7m interrupt functions.
11779 (user_return_insn): Return 0 for v7m interrupt functions. Handle
11780 Thumb-2.
11781 (const_ok_for_arm): Handle Thumb-2 constants.
11782 (arm_gen_constant): Ditto. Use movw when available.
11783 (arm_function_ok_for_sibcall): Return false for v7m interrupt
11784 functions.
11785 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
11786 (thumb_find_work_register, arm_load_pic_register,
11787 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
11788 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
11789 print_multi_reg, output_mov_long_double_fpa_from_arm,
11790 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
11791 output_mov_double_fpa_from_arm, output_move_double,
11792 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
11793 output_return_instruction, arm_output_function_prologue,
11794 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
11795 arm_output_mi_thunk, thumb_set_return_address): Ditto.
11796 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
11797 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
11798 (arithmetic_instr, shift_op): Use arm_shift_nmem.
11799 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
11800 '!' and 'L'.
11801 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
11802 (thumb_expand_prologue): Use thumb_set_frame_pointer.
11803 (arm_file_start): Output directive for unified syntax.
11804 (arm_unwind_emit_set): Handle stack alignment instruction.
11805 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
11806 Add v6t2, v7, v7a, v7r and v7m.
11807 (RETLDM): Add Thumb-2 code.
11808 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
11809 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
11810 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
11811 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
11812 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
11813 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
11814 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
11815 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
11816 ADJUST_INSN_LENGTH): Define.
11817 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
11818 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
11819 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
11820 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
11821 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
11822 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
11823 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
11824 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
11825 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
11826 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
11827 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
11828 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
11829 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
11830 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
11831 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
11832 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
11833 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
11834 cortex-m3.
11835 * config/arm/arm-tune.md: Regenerate.
11836 * config/arm/arm-protos.h: Update prototypes.
11837 * config/arm/vfp.md: Enable patterns for Thumb-2.
11838 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
11839 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
11840 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
11841 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
11842 * config/arm/libunwind.S: Add Thumb-2 code.
11843 * config/arm/constraints.md: Update include Thumb-2.
11844 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
11845 * config/arm/ieee754-df.S: Ditto.
11846 * config/arm/bpabi.S: Ditto.
11847 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
11848 * config/arm/predicates.md (low_register_operand,
11849 low_reg_or_int_operand, thumb_16bit_operator): New.
11850 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
11851 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
11852 * config/arm/t-arm-elf: Add armv7 multilib.
11853 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
11854 Include thumb2.md.
11855 (UNSPEC_STACK_ALIGN, ce_count): New.
11856 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
11857 arm_zero_extendsidi2, arm_zero_extendqidi2): New
11858 insns/expanders.
11859 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
11860 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
11861 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
11862 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
11863 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
11864 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
11865 insns.
11866 * doc/extend.texi: Document ARMv7-M interrupt functions.
11867 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
11869 2007-01-03 Jakub Jelinek <jakub@redhat.com>
11871 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
11872 (struct _Unwind_Context): Rename args_size to flags, remove
11873 signal_frame field, add a new args_size field and version field.
11874 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
11875 _Unwind_IsExtendedContext): New inline functions.
11876 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11877 Assume by_value array is only present if _Unwind_IsExtendedContext.
11878 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
11879 _Unwind_IsSignalFrame.
11880 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
11881 (uw_update_context_1): Use _Unwind_SetSignalFrame.
11882 (uw_init_context_1): Initialize context->flags to
11883 EXTENDED_CONTEXT_BIT.
11884 * config/rs6000/linux-unwind.h (frob_update_context): Use
11885 _Unwind_SetSignalFrame.
11887 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
11889 PR middle-end/30353
11890 * gimplify.c (gimplify_modify_expr_complex_part): Move below
11891 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
11892 the value.
11894 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
11896 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
11897 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
11898 RET, AT_SP): Remove.
11899 * config/i386/i386.md (*sse_prologue_save_insn): Use return
11900 instead of RET.
11902 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11903 * cfgbuild.c (find_basic_blocks): Likewise.
11904 * cfgrtl.c (rtl_create_basic_block): Likewise.
11905 * function.c (temp_slots_at_level): Likewise.
11906 * reg-stack.c (stack_regs_mentioned): Likewise.
11907 * regclass.c (allocate_reg_info): Likewise.
11908 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11909 set_bb_for_stmt, move_block_to_fn): Likewise.
11910 * tree-complex.c (tree_lower_complex): Likewise.
11911 * vec.h (VEC_safe_grow_cleared): New.
11913 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
11915 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
11917 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
11918 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
11919 to loop_version.
11920 * cfgloopmanip.c (scale_loop_frequencies): Export.
11921 (loopify): Scale the frequencies by prescribed coefficients.
11922 (set_zero_probability): New function.
11923 (duplicate_loop_to_header_edge): Improve updating of frequencies.
11924 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
11925 and frequencies according to arguments.
11926 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
11927 correctly.
11928 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
11929 * modulo-sched.c (sms_schedule): Set probabilities for entering
11930 versioned loop correctly.
11931 * tree-vect-transform.c (vect_transform_loop): Ditto.
11932 * cfgloop.h (loopify, loop_version): Declaration changed.
11933 (scale_loop_frequencies): Declared.
11935 2007-01-02 Jan Hubicka <jh@suse.cz>
11937 * cgraph.c: Include tree-flow.h
11938 (cgraph_add_new-function): Handle IPA_SSA mode; execute
11939 early_local_passes.
11940 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
11941 * tree-pass.h (pass_all_early_optimizations): Declare.
11942 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
11943 early_local_passes.
11944 (cgraph_analyze_function): Do early_local_passes.
11945 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
11946 Do not add referenced vars.
11947 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
11948 SSA form.
11949 (gate_all_early_local_passes): New gate.
11950 (pass_early_local_passes): Use new gate.
11951 (execute_early_local_optimizations): New functions.
11952 (gate_all_early_optimizations): New gate.
11953 (pass_all_early_optimizations): New pass.
11954 (execute_free_datastructures): Free SSA only when initialized.
11955 (gate_init_datastructures): Init only when optimizing.
11956 (tree_lowering_passes): Do early local passes when called late.
11957 * tree-profile.c (do_tree_profiling): Don't profile functions added
11958 late.
11959 (do_early_tree_profiling, pass_early_tree_profile): Kill.
11960 * tree-cfg.c (update_modified_stmts): Do not update when operands are
11961 not active.
11962 * passes.c (init_optimizations_passes): Reorder so we go into SSA
11963 during early_local_passes.
11964 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
11967 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
11969 * Makefile.in: Update copyright year.
11971 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
11973 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
11974 in $(lang_checks) and check-consistency targets.
11976 2007-01-02 Jan Hubicka <jh@suse.cz>
11978 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
11979 Do not add referenced vars.
11980 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
11981 are not active.
11982 * passes.c (init_optimization_passes): Put mudflap_2 after
11983 free_datastructures.
11985 2007-01-02 Jan Hubicka <jh@suse.cz>
11987 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
11988 Set NOTHROW flag on call statements proved to be nothrow.
11989 Update statement of local calls so new pure/const functions are
11990 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
11991 goto receivers.
11992 (tree_rest_of_compilation): Register hooks and initialize bitmap
11993 early. Do not set after_inlining flag.
11995 2007-01-02 Steve Ellcey <sje@cup.hp.com>
11997 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
11998 HOST_BITS_PER_LONGLONG
12000 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12002 PR c/19977
12003 * c-typeck.c (store_init_value): Don't emit pedantic overflow
12004 warning for non-static initializers.
12006 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
12008 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
12009 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
12010 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
12011 Always use set_unique_reg_note to add REG_EQUAL notes.
12013 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
12015 Revert:
12016 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
12018 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12019 * cfgbuild.c (find_basic_blocks): Likewise.
12020 * cfgrtl.c (rtl_create_basic_block): Likewise.
12021 * function.c (temp_slots_at_level): Likewise.
12022 * reg-stack.c (stack_regs_mentioned): Likewise.
12023 * regclass.c (allocate_reg_info): Likewise.
12024 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12025 set_bb_for_stmt, move_block_to_fn): Likewise.
12026 * tree-complex.c (tree_lower_complex): Likewise.
12027 * vec.h (VEC_safe_grow_cleared): New.
12029 2007-01-02 Ian Lance Taylor <iant@google.com>
12031 * c-common.c (c_common_truthvalue_conversion): When warning about
12032 using an assignment as a truth value, set TREE_NO_WARNING.
12034 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12036 PR middle-end/7651
12037 * c.opt (Wold-style-declaration): New.
12038 * doc/invoke.texi (C-only Warning Options): New.
12039 (Wold-style-declaration): Document it.
12040 (Wextra): Enabled by -Wextra.
12041 * c-opts.c (c_common_post_options): Enabled by -Wextra.
12042 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
12043 -Wold-style-declaration.
12045 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
12047 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12048 * cfgbuild.c (find_basic_blocks): Likewise.
12049 * cfgrtl.c (rtl_create_basic_block): Likewise.
12050 * function.c (temp_slots_at_level): Likewise.
12051 * reg-stack.c (stack_regs_mentioned): Likewise.
12052 * regclass.c (allocate_reg_info): Likewise.
12053 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12054 set_bb_for_stmt, move_block_to_fn): Likewise.
12055 * tree-complex.c (tree_lower_complex): Likewise.
12056 * vec.h (VEC_safe_grow_cleared): New.
12058 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
12060 * c-common.c (c_common_nodes_and_builtins): Since variants of
12061 void_type_node get built before it is given a name, we need to
12062 give those variants the name, too.
12063 (complete_array_type): We need to work with the canonical main
12064 type of the array, from which we will build the qualified version.
12065 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
12066 * print-tree.c (print_node): Display canonical type information
12067 for each type.
12068 * stor-layout.c (layout_type): When we don't know the
12069 alignment of a type for which we're building an array, we end up
12070 guessing wrong, so make the type require structural equality.
12071 * tree.c (make_node_stat): When we build a new type, it is its
12072 own canonical type.
12073 (build_type_attribute_qual_variant): When building an attribute
12074 variant, its canonical type is the non-attribute variant. However,
12075 if the attributes are target-dependent and they differ, we need to
12076 use structural equality checks for this type.
12077 (build_qualified_type): A qualified type is not equivalent to its
12078 unqualified variant; set the canonical type appropriately.
12079 (build_distinct_type_copy): When building a distinct type from
12080 another type, the new type is its own canonical type.
12081 (build_variant_type_copy): When building a new type variant, we
12082 assume that it is equivalent to the original type.
12083 (build_pointer_type_for_mode): When building a pointer type, also
12084 build a canonical type pointer.
12085 (build_reference_type_for_mode): When building a reference type,
12086 also build a canonical type reference.
12087 (build_index_type): When we can't hash an index type (e.g.,
12088 because its maximum value is negative), the index type requires
12089 structural equality tests.
12090 (build_array_type): Build the canonical form of an array type.
12091 (build_function_type): Function types require structural equality,
12092 because they contain default arguments, attributes, etc.
12093 (build_method_type_directly): Ditto for method types.
12094 (build_offset_type): Build the canonical offset type.
12095 (build_complex_type): Build the canonical vector type.
12096 (make_vector_type): Build the canonical vector type.
12097 * tree.h (TYPE_CANONICAL): New.
12098 (TYPE_STRUCTURAL_EQUALITY_P): New.
12099 (SET_TYPE_STRUCTURAL_EQUALITY): New.
12100 (struct tree_type): Added "canonical" field.
12101 * params.h (VERIFY_CANONICAL_TYPES): New.
12102 * doc/c-tree.texi (TYPE_CANONICAL): Document.
12103 (TYPE_STRUCTURAL_EQUALITY_P): Document.
12104 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
12105 * doc/invoke.texi (verify-canonical-types): Document --param
12106 parameter for verifying canonical types.
12108 2007-01-02 Joseph Myers <joseph@codesourcery.com>
12110 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
12111 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
12112 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
12113 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
12114 tm_file.
12115 * config/rs6000/e500.h: New.
12116 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
12117 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
12118 Remove.
12119 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
12120 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
12121 TARGET_E500_DOUBLE): Remove.
12122 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
12123 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
12124 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
12125 * config/rs6000/rs6000.c (rs6000_override_options): Use
12126 CHECK_E500_OPTIONS.
12128 2007-01-02 Joseph Myers <joseph@codesourcery.com>
12130 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
12131 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
12132 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
12133 rs6000_emit_cmove): Don't check TARGET_E500.
12134 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
12135 sordered): Don't check TARGET_E500.
12137 2007-01-01 Eric Christopher <echristo@apple.com>
12139 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
12140 HARD_REGISTER_NUM_P.
12142 2007-01-01 Roger Sayle <roger@eyesopen.com>
12144 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
12145 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
12146 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
12147 eq/ne Y".
12149 2007-01-01 Mike Stump <mrs@apple.com>
12151 * configure.ac: Remove support for building with Apple's gcc-3.1.
12153 2007-01-02 Joseph Myers <joseph@codesourcery.com>
12155 PR middle-end/30311
12156 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
12157 REG is a hard register. Do not modify REG before calling
12158 subreg_nregs.
12159 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
12160 multiple of the size of YMODE for certain lowpart cases.
12162 2007-01-01 Andrew Pinski <pinskia@gmail.com>
12164 PR middle-end/30253
12165 * gimplify (voidify_wrapper_expr): Update for
12166 GIMPLE_MODIFY_STMT.
12168 2007-01-01 Andreas Schwab <schwab@suse.de>
12170 PR target/29166
12171 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
12172 save of BR0 in extra_spill_size instead of spill_size.
12173 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
12174 area.
12175 (ia64_expand_epilogue): Restore BR0 from its new location.
12177 2007-01-01 Andrew Pinski <pinskia@gmail.com>
12179 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
12180 Use a temporary variable if the left hand side is not a gimple
12181 register.
12183 2007-01-01 Andrew Pinski <pinskia@gmail.com>
12185 * gimplify.c (gimplify_return_expr): Make the temporary variable
12186 for the return expression, a gimple register variable.
12188 2007-01-01 Jan Hubicka <jh@suse.cz>
12190 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
12191 INSN_LIST.
12193 2007-01-01 Mike Stump <mrs@apple.com>
12195 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
12196 .literal16.
12197 * config/darwin.c (machopic_select_rtx_section): Use
12198 HAVE_GAS_LITERAL16.
12199 (darwin_mergeable_constant_section): Likewise.
12200 * configure: Regenerate.
12201 * config.in: Regenerate.
12203 2007-01-01 Jan Hubicka <jh@suse.cz>
12204 Andrew Pinski <pinskia@gmail.com>
12206 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
12207 before starting IPA passes.