| blob | 7deb475d038c0a5cb5b4d514a1519b0f65fc8efc |
1 2006-05-20 Andreas Schwab <schwab@suse.de>
3 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5 2006-05-19 Mike Stump <mrs@apple.com>
7 * c-tree.h (default_conversion): Remove.
8 * c-common.h (default_conversion): Add.
10 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
12 * tree-vrp.c (valid_value_p): New function.
13 (adjust_range_with_scev): Fail if the value of bound is not
14 simple.
16 2006-05-19 Richard Sandiford <richard@codesourcery.com>
18 * config/mips/linux-unwind.h: Include <asm/unistd.h>
19 (mips_fallback_frame_state): Use syscall numbers to determine
20 the appropriate li instruction for the current ABI. Only use
21 __NR_sigreturn for o32.
23 2006-05-19 Nicolas Setton <setton@adacore.com>
25 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
26 * langhooks.c (lhd_dwarf_name): New function.
27 * langhooks-def.h (lhd_dwarf_name): Declare.
28 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
29 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
30 * ada/misc.c (gnat_dwarf_name): New function.
31 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
33 2006-05-19 Richard Sandiford <richard@codesourcery.com>
35 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
36 libgcc2.h.
37 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
38 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
39 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
40 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
41 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
42 determine the size of Wtype, etc.
43 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
44 (swfloatfuncs): New variable.
45 (dwfloatfuncs): Likewise.
46 (lib2funcs): Remove floating-point conversion functions from
47 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
48 the set of conversion routines needed. Allow entries to specify
49 an object name, filename and word size. Update users accordingly.
50 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
51 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
53 Revert:
55 2006-02-08 Roger Sayle <roger@eyesopen.com>
57 PR target/22209
58 * config/fixtfdi.c: New libgcc source file.
59 * config/fixunstfdi.c: New source file.
60 * config/floatditf.c: New source file.
61 * config/floatunditf.c: New souce file.
62 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
63 files above instead of config/mips/_tilib.c.
64 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
66 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
68 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
69 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
71 2006-05-18 Mike Stump <mrs@apple.com>
73 Fix up vla, vm and [*] sematics.
75 PR c/18740
76 PR c/7948
77 PR c/25802
78 PR c/27673
79 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
80 (c_vla_unspec_p): Add.
81 (c_vla_type_p): Add.
82 * c-decl.c (struct c_scope): Add had_vla_unspec.
83 (build_array_declarator): Add support for [*].
84 (grokdeclarator): Likewise.
85 (grokparms): Likewise.
86 (get_parm_info): Likewise.
87 * c-objc-common.c (c_vla_unspec_p): Likewise.
88 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
89 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
90 typeof when argument is a variably modified type not inside sizeof or alignof.
91 (c_parser_direct_declarator_inner): Propagate errors.
92 (c_parser_sizeof_expression): Add support for [*].
93 (c_parser_parms_declarator): Initialize had_vla_unspec.
94 (c_parser_parms_list_declarator): Likewise.
95 * c-typeck.c (c_vla_type_p): Add.
96 (composite_type): Add support for vla compositing.
97 (comptypes_internal): Add support for vla compatibility.
98 (c_expr_sizeof_expr): Evaluate vla arguments.
99 * tree.c (variably_modified_type_p): Update comment for [*].
101 2006-05-18 Michael Matz <matz@suse.de>
103 PR target/27599
104 * config.host: Make assignments to host_xmake_file cumulative.
105 * config.host (*-darwin*): Test $host, not $target.
107 2006-05-12 Stuart Hastings <stuart@apple.com>
109 * config/i386/i386.opt (-mstackrealign): New flag.
110 * config/i386/i386.c (force_align_arg_pointer): New attribute.
111 (ix86_handle_cconv_attribute): Emit error when
112 force_align_arg_pointer attribute collides with too many regparms.
113 (ix86_function_regparm): Limit regparms when used with
114 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
115 Support stack-realigning prologue in non-main functions. Emit
116 warning for nested functions under -mstackrealign, emit error for
117 nested functions with force_align_arg_pointer attribute.
118 * doc/extend.texi (force_align_arg_pointer): Document it.
119 * doc/invoke.texi (-mstackrealign): Document it.
121 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
123 PR rtl-optimization/27477
124 * combine.c (try_combine): Don't split a parallel consisting
125 of two sets into two individual sets if both sets reference
126 cc0.
128 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
130 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
131 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
133 * doc/options.texi (VarExists): Updated.
135 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
137 * unwind-dw2.c: Add declarations for uw_update_context and
138 uw_frame_state_for.
139 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
140 detected, advance frame state and context once to skip over stub.
142 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
144 PR middle-end/20256
145 PR middle-end/26435
146 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
147 Call rewrite_into_loop_closed_ssa only when something changed.
148 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
149 * lambda-code.c (can_convert_to_perfect_nest): Declared.
150 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
151 Test for perfect_nest_p here. Fix formating.
152 (replace_uses_equiv_to_x_with_y): Fix formating.
153 (stmt_uses_op): Removed.
154 (can_convert_to_perfect_nest): Removed loopivs parameter.
155 Complete the test by checking the scalar dependences.
156 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
157 Fix formating.
159 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
161 PR bootstrap/22541
162 From Dan Kegel <dank@kegel.com>:
163 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
165 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
167 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
168 if the element type is variably modified without recursing.
170 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
172 PR middle-end/27332
173 * tree-loop-linear.c (try_interchange_loops): Test for
174 no data dependences.
176 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
178 PR tree-optimization/27548
179 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
180 range of ssa names that appear on abnormal edges.
181 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
182 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
184 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
186 PR middle-end/27620
187 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
189 2006-05-17 Jakub Jelinek <jakub@redhat.com>
191 PR middle-end/27415
192 * tree.h (OMP_PARALLEL_COMBINED): Define.
193 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
194 (new_omp_context): Add is_combined_parallel argument.
195 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
196 new_omp_context caller.
197 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
198 Adjust gimplify_scan_omp_clauses callers.
199 (omp_is_private): Issue errors if iteration variable is firstprivate
200 or reduction in the current context.
201 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
202 on combined parallel workshare constructs.
204 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
206 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
207 (gcc-options.o): New rule.
209 * optc-gen.awk: Protect variables for gcc-options.o with
210 #ifdef GCC_DRIVER/#endif.
212 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
214 Fix PR tree-optimization/27373
215 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
216 (forward_propagate_addr_expr): Update call.
218 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
220 * doc/options.texi: Move the Negative option.
222 2006-05-16 Richard Guenther <rguenther@suse.de>
224 PR tree-optimization/22303
225 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
226 from STRING_CSTs.
227 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
228 ccp_fold did not simplify the statement.
230 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
232 PR driver/26885
233 * Makefile.in (GCC_OBJS): New.
234 (OBJS-common): Add opts-common.o.
235 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
236 (cpp$(exeext)): Likewise.
237 (gcc.o): Also depend on opts.h.
238 (opts-common.o): New.
240 * common.opt (gcoff): Add Negative(gdwarf-2).
241 (gdwarf-2): Add Negative(gstabs).
242 (gstabs): Add Negative(gstabs+).
243 (gstabs+): Add Negative(gvms).
244 (gvms): Add Negative(gxcoff).
245 (gxcoff): Add Negative(gxcoff+).
246 (gxcoff+): Add Negative(gcoff).
247 * config/i386/i386.opt (m32): Add Negative(m64).
248 (m64): Add Negative(m32).
250 * doc/options.texi: Document the Negative option.
252 * gcc.c: Include "opts.h".
253 (main): Call prune_options after expandargv.
255 * optc-gen.awk: Generate common declarations for all flag
256 variables in options.c. Output the neg_index field.
258 * opts.c (find_opt): Moved to ...
259 * opts-common.c: Here. New file.
261 * opts.h (cl_option): Add a neg_index field.
262 (find_opt): New.
263 (prune_options): Likewise.
265 2006-05-16 Jakub Jelinek <jakub@redhat.com>
267 PR middle-end/27573
268 * omp-low.c (expand_omp_parallel): Don't assert
269 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
270 instead search for it.
272 PR c/27499
273 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
274 is signed.
276 2006-05-16 Andreas Schwab <schwab@suse.de>
278 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
279 defmac.
281 2006-05-15 Roger Sayle <roger@eyesopen.com>
283 PR target/26600
284 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
285 integer constants other than zero are only legitimate on TARGET_64BIT.
286 <CONST_VECTOR> Only zero vectors are legitimate.
287 (ix86_cannot_force_const_mem): Integral and vector constants can
288 always be put in the constant pool.
290 2006-05-16 DJ Delorie <dj@redhat.com>
292 * crtstuff.c (__dso_handle): Set section from
293 TARGET_LBIGCC_SDATA_SECTION if defined.
294 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
295 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
297 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
299 PR target/27599
300 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
301 host_xmake_file.
303 2006-05-16 Ben Elliston <bje@au.ibm.com>
305 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
307 2006-05-15 Per Bothner <per@bothner.com>
309 * tree.c: (last_annotated_node): Use sources_locus typedef.
310 This permits bootstrapping with --enable-mapped-location.
312 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
314 PR tree-optimization/26830
315 * tree-into-ssa.c (struct ssa_name_info): Add age field.
316 (info_for_ssa_name, current_info_for_ssa_name_age,
317 blocks_to_update): New variables.
318 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
319 (clear_ssa_name_info, initialize_flags_in_bb,
320 mark_block_for_update): New functions.
321 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
322 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
323 prepare_def_site_for): Use mark_block_for_update.
324 (mark_def_interesting): Assert that the processed block is marked in
325 blocks_to_update. Do not take blocks argument.
326 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
327 argument.
328 (rewrite_update_init_block, rewrite_update_stmt): Only process
329 blocks with statements to rewrite.
330 (delete_update_ssa): Do not clear SSA_NAME_AUX.
331 (update_ssa): Initialize and free blocks_to_update. Do not
332 clear flags on statements. Do not use blocks bitmap.
333 * tree.h (SSA_NAME_AUX): Removed.
334 (struct tree_ssa_name): Removed aux field.
335 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
337 2006-05-15 Richard Guenther <rguenther@suse.de>
339 PR tree-optimization/27603
340 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
341 Do computations in original type.
343 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
345 * see.c: Code style changes such as redundant paranthesis,
346 redundant intialization of local variables etc.
347 (see_main): Declared now as static.
348 * doc/invoke.texi: Update that -fsee is not enabled by
349 default at -O3.
351 2006-05-15 Jakub Jelinek <jakub@redhat.com>
353 * omp-low.c (check_omp_nesting_restrictions): New function.
354 (scan_omp_1): Call it.
356 PR middle-end/27416
357 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
358 construct, return *VAR.
360 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
362 PR rtl-optimization/27406
363 * bt-load.c (migrate_btr_def): Skip the block having abnormal
364 edges.
366 2006-05-14 Roger Sayle <roger@eyesopen.com>
368 PR rtl-optimization/27538
369 * combine.c (expand_compound_operation): Call gen_lowpart
370 before calling simplify_shift_const.
372 2006-05-14 Roger Sayle <roger@eyesopen.com>
374 PR rtl-optimization/22563
375 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
376 a fixed width bitfield, always force the intermediates into psuedos.
378 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
380 PR 27501
381 * mkconfig.sh: Use operator = instead of == for test.
383 2006-05-13 Nick Clifton <nickc@redhat.com>
385 * dwarf2out.c (dbx_reg_number): Check return value from
386 LEAF_REG_REMAP and only use it if it is valid.
387 (multiple_reg_loc_descriptor): Likewise.
389 2006-05-13 Richard Guenther <rguenther@suse.de>
391 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
392 host_xmake_file.
394 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
396 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
397 information attached to non-INSNs such as NOTEs.
398 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
400 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
402 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
403 On contraint.
404 * config/s390/s390.md: Adjust comment describing On constraint.
406 2006-05-11 Jan Hubicka <jh@suse.cz>
408 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
409 to be output at -O0.
411 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
413 PR middle-end/27384
414 * fold-const.c (size_binop): Move sanity check for arguments to
415 the beginning of the function.
417 PR middle-end/27488
418 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
419 expression.
421 2006-05-11 Richard Guenther <rguenther@suse.de>
423 PR middle-end/27529
424 * fold-const.c (fold_unary): Handle intermediate conversion
425 to a pointer type like intermediate conversion to an integer
426 type in folding of (T1)(T2)var to var.
427 Match the code to the comment in the final conversion for
428 (T1)(T2)var to (T1)var regarding to type precision. Rather
429 than disallow T1 being of pointer type, assert that both T1
430 and var are of pointer type or not. Make sure not to fall
431 over the frontends lazyness wrt array to pointer decay though.
433 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
435 * arm.c (arm_struct_value_rtx): Delete.
436 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
437 (arm_init_cumulative_args): Always initialize nregs to zero.
439 2006-05-10 Richard Guenther <rguenther@suse.de>
441 PR tree-optimization/27532
442 * tree-object-size.c (plus_expr_object_size): Fix typo.
444 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
446 PR target/24949
447 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
448 ashrdi_const, ashrdi3): Use a scratch register.
450 2006-05-10 Richard Guenther <rguenther@suse.de>
452 PR tree-optimization/27302
453 * fold-const.c (operand_equal_p): For two comparisons,
454 try comparison of one comparison code swapped if that yields
455 the same code.
457 2006-05-10 Ben Elliston <bje@au.ibm.com>
459 * tree-pretty-print.c (pretty_print_string): No need to handle
460 '\0' as a special character.
462 * tree.h: Include "hashtab.h".
463 (iterative_hash_expr): Use hashval_t in its prototype.
464 * Makefile.in (TREE_H): Add $(HASHTAB_H).
466 2006-05-09 Steve Ellcey <sje@cup.hp.com>
468 PR bootstrap/26872
469 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
470 (hppa*64*-*-hpux11*): Ditto.
471 (hppa[12]*-*-hpux11*): Ditto.
473 2006-05-09 David Edelsohn <edelsohn@gnu.org>
475 PR target/26545
476 * config/rs6000/aix41.h (TARGET_64BIT): Define.
478 2006-05-09 Michael Matz <matz@suse.de>
480 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
481 host_extra_gcc_objs and host_xmake_file.
482 (<*-*-linux*>): Don't overwrite host_xmake_file.
483 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
484 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
485 (host_detect_local_cpu): Declare.
486 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
487 * config/i386/i386.c (override_options): Handle -mtune=native
488 as -mtune=generic.
489 * config/i386/x-i386: New file.
490 * config/i386/driver-i386.c: New file.
491 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
492 cpu-type "native".
494 2006-05-09 Dirk Mueller <dmueller@suse.de>
495 Richard Guenther <rguenther@suse.de>
497 PR middle-end/27498
498 * fold-const.c (fold_read_from_constant_string): Relax check
499 for matching types to matching modes.
501 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
503 PR rtl-optimization/27335
504 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
505 loops.
507 2006-05-08 Chao-ying Fu <fu@mips.com>
508 Richard Sandiford <richard@codesourcery.com>
510 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
511 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
512 * config/mips/mips.md (UNSPEC_SCC): New constant.
513 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
514 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
515 (mips_emit_compare): Use it.
516 (mips_expand_vcondv2sf): New function.
518 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
520 Fix PR tree-optimization/27093
521 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
522 renaming when they become not-used_alone.
524 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
526 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
527 relocation and relocation stubs.
529 2006-05-08 Eric Christopher <echristo@apple.com>
531 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
532 section for ppc.
534 2006-05-08 Jan Hubicka <jh@suse.cz>
536 PR middle-end/25962
537 * cgraphunit.c (decide_is_function_needed): When not optimizing even
538 unused static functions are needed.
540 2006-05-08 Roger Sayle <roger@eyesopen.com>
542 PR target/27158
543 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
544 of a reg_equiv_constant if the result is a legitimate constant.
546 2006-05-08 Uros Bizjak <uros@kss-loka.si>
548 PR target/27277
549 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
550 standard 80387 constants, raise the cost to prevent
551 compress_float_constant() to generate load from memory.
553 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
555 * config/arm/constraints.md (c): Fix a typo.
557 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
558 typos.
560 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
562 PR target/24879
563 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
564 inline function.
565 (_mm_mwait): Likewise.
567 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
568 "mwait".
569 (sse3_monitor): Make it 32bit only.
570 (sse3_monitor64): New. 64bit monitor.
572 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
574 PR target/27421
575 * config/i386/i386.c (classify_argument): Skip fields with invalid
576 types.
578 2006-05-07 Richard Guenther <rguenther@suse.de>
580 PR tree-optimization/27409
581 * tree-ssa-structalias.c (get_constraint_for_component_ref):
582 Do not try to find zero-sized subvars.
584 2006-05-07 Richard Guenther <rguenther@suse.de>
586 PR tree-optimization/27136
587 * tree-ssa-loop-niter.c (get_val_for): Correct function
588 comment, assert requirements.
589 (loop_niter_by_eval): Stop processing if the iterated
590 value did not simplify.
592 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
594 * opts.c (flag_see): remove its setting at -O3.
596 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
598 * genpeep.c (main): Make insn-peep.c depend on flags.h.
599 * arm/constraints.md: New file.
600 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
601 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
602 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
603 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
604 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
605 (EXTRA_MEMORY_CONSTRAINT): Likewise.
606 * arm.md: Include constraints.md.
607 (thumb_movsi_insn): Use satisfies_constraint_J.
608 (movhi, movqi): Use satisfies_constraint_I.
610 2006-04-29 Anatoly Sokolov <aesok@post.ru>
612 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
613 for atmeg a645 device.
615 2006-05-06 Richard Guenther <rguenther@suse.de>
617 PR tree-optimization/27151
618 * tree-vect-transform.c (vectorizable_condition): Punt on
619 values that have a different type than the condition.
621 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
623 PR/21391
624 * c-parser.c (c_parser_cast_expression): Only insert casts into
625 hash table if pointer.
626 * function.c (used_types_insert_helper): Rename from
627 used_types_insert.
628 (used_types_insert): Call used_types_insert_helper.
629 * function.h (used_types_insert): Accept only one argument.
631 2006-05-05 David Edelsohn <edesohn@gnu.org>
633 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
634 scratch with output modifier.
636 2006-05-04 David Edelsohn <edelsohn@gnu.org>
638 PR target/26481
639 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
640 with output modifier.
642 2006-05-04 Richard Sandiford <richard@codesourcery.com>
644 PR target/26765
645 * config/mips/mips.c (mips_symbolic_address_p): Return true
646 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
647 SYMBOL_GOTTPREL, and SYMBOL_TLS.
649 2006-05-04 Richard Guenther <rguenther@suse.de>
651 PR tree-optimization/14287
652 PR tree-optimization/14844
653 PR tree-optimization/19792
654 PR tree-optimization/21608
655 PR tree-optimization/27090
656 * tree-ssa-pre.c (try_combine_conversion): New function.
657 (compute_avail): After constructing the value-handle
658 expression, use try_combine_conversion to combine NOP_EXPRs
659 with previous value-handle expressions and use the result if it
660 is available.
662 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
664 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
666 2006-05-04 Jan Hubicka <jh@suse.cz>
668 PR middle-end/25962
669 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
671 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
673 * config/bfin/predicates.md (const01_rtx): Tell generator programs
674 that this only matches CONST_INTs. All users changed to VOIDmode
675 operands.
677 * config/bfin/bfin.c: Include "optabs.h".
678 (bfin_rtx_costs): Some costs for vector operations, to allow combine
679 to do more work.
680 (enum bfin_builtins): Add a number of fractional and vector builtins.
681 (bfin_init_builtins): Likewise.
682 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
683 (safe_vector_operand, bfin_expand_binop_builtin,
684 bfin_expand_unop_builtin): New functions.
685 (bfin_expand_builtin): Handle the new builtins.
686 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
687 __ADSPBLACKFIN__.
689 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
691 * see.c: New file.
692 * Makefile.in (OBJS-common): Add see.o.
693 (see.o): Add dependencies.
694 * common.opt (fsee): New flag for the see optimization was added.
695 * opts.c (flag_see): Initialized.
696 * passes.c (init_optimization_passes, pass_see): New pass.
697 * rtl.h (see_main): Declaration as extern.
698 * timevar.def (TV_SEE): New.
699 * tree-pass.h (pass_see): Declaration as extern.
700 * invoke.texi (-fsee): Document.
701 * recog.c (validate_simplify_insn): New function.
702 * recog.h (validate_simplify_insn): Declaration as extern.
703 * df-problems.c (df_chain_dump): Check for NULL.
705 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
706 Daniel Berlin <dberlin@dberlin.org>
708 * cfgrtl.c (insert_insn_bb_end_new): New function.
709 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
711 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
713 * df.h (struct web_entry): Moved from web.c.
714 (union_defs): Declaration as extern.
715 (unionfind_root): Likewise.
716 (unionfind_union): Likewise.
717 * web.c (struct web_entry): Moved to df.h.
718 (unionfind_root): Remove static declaration.
719 (unionfind_union): Likewise.
720 (union_defs): Likewise and generalize to use callback function.
721 (web_main): Update arguments for union_defs function call.
723 2006-05-04 Richard Guenther <rguenther@suse.de>
725 PR tree-optimization/26447
726 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
727 produce SSA_NAME copies before the store stmt to avoid
728 breaking exception handling.
730 2006-05-04 Jakub Jelinek <jakub@redhat.com>
732 PR middle-end/27388
733 * gimplify.c (omp_is_private): If var is shared in some outer context,
734 return false instead of true. Stop searching on parallel context
735 boundary.
737 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
739 PR java/8260
740 * coverage.c: Use get_gcov_unsigned_t() instead of
741 unsigned_type_node all over.
743 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
745 PR tree-optimization/27381
746 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
747 maintain the same immediate_use links.
748 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
749 node rather than segfaulting.
751 2006-05-03 Jakub Jelinek <jakub@redhat.com>
753 PR fortran/27395
754 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
755 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
756 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
758 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
760 Fix PR tree-optimization/26626
761 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
762 always.
763 * tree-ssa-operands.c (access_can_touch_variable): Allow
764 typecasting through union pointers.
766 2006-05-02 Jakub Jelinek <jakub@redhat.com>
768 PR c++/26943
769 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
770 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
771 to find if var will be a global variable even in the nested context.
772 (omp_copy_decl): Only check for global variable at the end, it might
773 be overridden in outer contexts.
774 (scan_sharing_clauses): For global variables don't create a field.
775 (lower_rec_input_clauses): Do nothing for global shared variables.
776 Emit a barrier at the end of ILIST if there were any decls in both
777 firstprivate and lastprivate clauses.
778 (lower_send_clauses): Do nothing for global variables except for
779 COPYIN.
781 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
783 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
784 of the correct signedness is returned.
786 2006-05-02 Jeff Law <law@redhat.com>
788 PR tree-optimization/27364
789 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
790 multiply expressions.
792 2006-05-02 Tom Tromey <tromey@redhat.com>
794 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
796 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
798 PR target/27387
799 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
800 -mthumb -fPIC are used.
802 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
803 Joshua Kinard <kumba@gentoo.org>
805 PR target/25871
806 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
807 with 64-bit pointers.
809 2006-05-02 Paul Brook <paul@codesourcery.com>
811 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
812 and pool overlap.
813 (create_fix_barrier): Check that a suitable barrier location is
814 found.
815 (arm_reorg): Include ftmp->address in allowable range of addresses.
817 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
819 PR ada/27366
820 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
821 on Cygwin.
823 2006-05-02 Jakub Jelinek <jakub@redhat.com>
825 PR middle-end/27337
826 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
827 around RESULT_DECL for result passed by reference.
828 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
829 * omp-low.c (use_pointer_for_field): Don't look at
830 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
831 (scan_omp_1): Call remap_decl on RESULT_DECLs.
832 (lower_rec_input_clauses): Don't allocate VLA memory for the second
833 time or var for passing by reference for
834 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
835 TREE_ADDRESSABLE variables when passing by reference.
837 * omp-low.c (dump_omp_region): Fix output formatting.
839 PR middle-end/27328
840 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
841 (expand_omp_parallel): Likewise.
842 * tree-cfg.c (move_sese_region_to_fn): Likewise.
844 PR middle-end/27325
845 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
846 on statement list containing also constructors and destructors.
847 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
849 PR middle-end/27310
850 * except.c (duplicate_eh_regions): Fix clearing of
851 cfun->eh->region_array entries.
853 2006-05-01 DJ Delorie <dj@redhat.com>
855 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
856 build!=host.
857 (gcc_cv_objdump): Likewise.
858 * configure: Regenerated.
860 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
862 PR target/27374
863 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
864 templates for case 3 and 4.
866 2006-05-01 DJ Delorie <dj@redhat.com>
868 * vec.c: Include bconfig.h when appropriate.
869 * Makefile.in (build/vec.o): Adjust dependencies.
870 * mkconfig.sh: Make sure config.h isn't used for build machine
871 compiles.
873 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
875 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
876 variables.
877 (mark_phi_for_rewrite): New function.
878 (insert_phi_nodes_for, mark_use_interesting): Call
879 mark_phi_for_rewrite.
880 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
881 (update_ssa): Initialize and free phis_to_rewrite.
883 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
885 PR rtl-optimization/27291
886 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
887 folded to a constant.
889 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
891 PR tree-optimization/27283
892 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
893 not whole # of iteration descriptions.
894 (niter_for_exit): Return just # of iterations. Fail if # of iterations
895 uses abnormal ssa name.
896 (niter_for_single_dom_exit): Ditto.
897 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
898 return just the number of iterations.
900 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
902 PR tree-optimization/27144
903 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
904 (record_estimate): Only record constant upper bound.
905 (infer_loop_bounds_from_undefined): Call
906 compute_estimated_nb_iterations just once.
907 (proved_non_wrapping_p): Renamed to ...
908 (n_of_executions_at_most): ... this. Expect bound to be a constant.
909 (convert_step_widening, scev_probably_wraps_p): Call
910 n_of_executions_at_most instead of proved_non_wrapping_p.
911 (substitute_in_loop_info): Do not replace values in bounds.
912 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
913 comments.
915 2006-05-01 Richard Henderson <rth@redhat.com>
917 PR c/27358
918 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
919 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
920 CPP_PRAGMA.
922 2006-05-01 Roger Sayle <roger@eyesopen.com>
924 * c-typeck.c (parser_build_binary_op): Don't call the function
925 unsigned_conversion_warning to spot operand/result type overflow.
926 (build_binary_op): Instead, call convert_and_check instead of
927 convert to report the problem when the operands are promoted.
928 * c-common.c (unsigned_conversion_warning): Make static.
929 * c-common.h (unsigned_conversion_warning): Delete prototype.
931 2006-05-01 Richard Guenther <rguenther@suse.de>
933 PR tree-optimization/26726
934 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
935 problem ...
936 (find_interesting_uses_address): ... we work around here
937 by folding INDIRECT_REFs in the substituted base.
939 2006-05-01 Diego Novillo <dnovillo@redhat.com>
941 * omp-low.c (dump_omp_region): Add newlines.
943 2006-04-30 Roger Sayle <roger@eyesopen.com>
945 * common.opt (Woverflow): New command line option.
946 * c-common.c (constant_expression_warning): Check warn_overflow.
947 (overflow_waring): Pass OPT_Woverflow to warning.
948 (unsigned_conversion_warning): Likewise.
949 (convert_and_check): Likewise.
950 * doc/invoke.texi: Document new command line option.
952 2006-04-30 David Edelsohn <edelsohn@gnu.org>
954 * config/rs6000/rs6000.c (rs6000_override_options): Enable
955 TARGET_NO_FP_IN_TOC for section anchors.
956 (optimization_options): Enable section anchors for all
957 non-"Objective" languages.
959 2006-04-28 Eric Christopher <echristo@apple.com>
961 * config/darwin-c.c (darwin_ms_struct): Move this
962 (darwin_set_default_type_attributes): and this...
963 * config/darwin.c: ... here.
964 * config/darwin.h (darwin_ms_struct): Declare.
966 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
968 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
970 2006-04-28 Roger Sayle <roger@eyesopen.com>
972 PR c/25309
973 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
974 (push_array_bounds): Delete prototype. Change BOUNDS argument to
975 an unsigned HOST_WIDE_INT.
976 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
977 array index.
978 (really_start_incremental_init): No need to call convert because
979 bitsize_zero_node is already of type bitsizetype.
980 (push_init_level): Extract the value of constructor_index as an
981 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
982 (process_init_element): Likewise.
984 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
986 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
987 value before passing to make_relative_prefix.
989 2006-04-28 Alan Modra <amodra@bigpond.net.au>
991 PR middle-end/27260
992 * builtins.c (expand_builtin_memset): Expand val in original mode.
994 2006-04-27 Eric Christopher <echristo@apple.com>
996 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
997 with #ifndef/#endif.
998 * config/darwin-c.c (darwin_ms_struct): New.
999 (darwin_pragma_ms_struct): Ditto.
1000 (darwin_set_default_type_attributes): Ditto.
1001 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1002 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1003 Register ms_struct pragma.
1004 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1005 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1006 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1007 darwin_set_default_type_attributes if TARGET_MACHO.
1009 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1011 PR tree-optimization/26854
1012 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1013 * doc/tree-ssa.texi: Update immuse iterator documentation.
1014 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1015 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1016 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1017 first_safe_imm_use, next_safe_imm_use): Remove.
1018 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1019 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1020 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1021 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1022 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1023 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1024 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1025 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1026 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1027 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1028 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1029 (perfect_nestify): Use new iterator.
1030 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1031 iterator.
1032 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1033 (next_imm_name): New field in struct immediate_use_iterator_d.
1034 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1035 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1036 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1037 * tree-cfg.c (replace_uses_by): Use new iterator.
1038 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1039 * tree-ssa-operands.c (correct_use_link): Remove.
1040 (finalize_ssa_use_ops): No longer call correct_use_link.
1042 2006-04-27 Stuart Hastings <stuart@apple.com>
1044 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1045 * config/t-darwin (crt3.o): Use it.
1046 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1047 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1048 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1049 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1050 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1051 support.
1053 2006-04-27 Roger Sayle <roger@eyesopen.com>
1055 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1056 size, force the intermediate into a new pseudo rather instead of
1057 performing both a bitwise AND and a bitwise IOR in memory.
1059 2006-04-27 Richard Guenther <rguenther@suse.de>
1061 PR rtl-optimization/26685
1062 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1063 this one "max-flow-memory-locations".
1065 2006-04-27 Richard Guenther <rguenther@suse.de>
1067 PR tree-optimization/25148
1068 * tree-vrp.c (compare_values): Remove code dealing with
1069 comparisons against type min/max value. Honour overflow
1070 and negative constants in code dealing with comparisons
1071 of plus and minus expressions.
1072 (value_inside_range): Use fold_binary with LE_EXPR and
1073 GE_EXPR rather than compare_values.
1075 2006-04-27 Dirk Mueller <dmueller@suse.de>
1077 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1078 prototype for SSE.
1080 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1082 * basic-block.h (safe_insert_insn_on_edge): Removed.
1083 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1085 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1086 Paolo Bonzini <bonzini@gnu.org>
1088 PR middle-end/27282
1089 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1090 (simplify_and_const_int): Same.
1092 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1094 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1096 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1098 PR c/26171
1099 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1100 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1101 cgraph_global_info_ready.
1103 PR middle-end/26913
1104 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1106 PR c/25996
1107 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1108 either decl or init is error_mark_node.
1110 PR middle-end/25989
1111 * tree-flow.h (struct omp_region): Add sched_kind.
1112 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1113 instead of extracting omp for data.
1114 (expand_omp_for): Save extracted sched_kind.
1116 2006-04-25 Roger Sayle <roger@eyesopen.com>
1118 * expmed.c (store_bit_field): Also check whether the bitsize is
1119 valid for the machine's "insv" instruction before moving the
1120 target into a pseudo for use with the insv.
1121 * config/i386/predicates.md (const8_operand): New predicate.
1122 * config/i386/i386.md (extv, extzv, insv): Use the new
1123 const8_operand predicate where appropriate.
1125 2006-04-25 DJ Delorie <dj@redhat.com>
1127 * doc/install.texi (Specific): Clarify that this is not a list of
1128 supported hosts or targets.
1130 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1132 PR rtl-optimization/26725
1133 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1134 block's BB_DIRTY flag.
1136 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1138 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1139 are no branches.
1141 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1142 to print an integer.
1144 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1146 * varasm.c (align_variable): New function.
1147 (get_block_for_decl): Apply align_variable to DECL before
1148 calculating section information.
1149 (assemble_variable): Split out alignment computation.
1151 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1153 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1154 machines.
1156 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1158 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1159 MODE_PARTIAL_INT mode.
1160 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1161 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1162 for CONST_INTs.
1163 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1164 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1165 V2PDImode.
1166 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1167 New predicates.
1168 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1169 New constants.
1170 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1171 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1172 MACFLAG_IH): Likewise.
1173 (movstricthi_1): Renamed from "*movstricthi".
1174 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1175 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1176 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1177 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1178 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1179 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1180 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1181 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1182 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1183 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1184 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1185 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1186 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1187 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1188 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1190 * doc/rtl.texi (ss_ashift): Improve wording.
1192 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1194 * dwarf2out.c (verify_marks_clear): New.
1195 (prune_unused_types): Call verify_marks_clear initially, not
1196 prune_unmark_dies.
1198 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1200 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1201 * doc/rtl.texi: Document them.
1202 * simplify-rtx.c (simplify_unary_operation,
1203 simplify_binary_operation_1): Don't abort when we see them.
1205 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1207 Revert:
1208 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1209 * configure.ac: Completely disregard languages that are not
1210 enabled.
1211 * configure: Regenerated.
1213 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1214 Richard Guenther <rguenther@suse.de>
1216 PR tree-optimization/27236
1217 * tree-inline.c (copy_body_r): Make sure to copy
1218 TREE_THIS_VOLATILE flag.
1220 2006-04-24 Richard Guenther <rguenther@suse.de>
1222 PR middle-end/26869
1223 * tree-complex.c (update_parameter_components): Don't handle
1224 unused parameters which have no default def.
1226 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1227 Richard Guenther <rguenther@suse.de>
1229 PR tree-optimization/27218
1230 * tree-inline.c (expand_call_inline): Strip useless type
1231 conversions for the return slot address.
1233 2006-04-24 Richard Guenther <rguenther@suse.de>
1235 * cfgloop.h (struct loops): Remove unused field array. Reorder
1236 state after num.
1237 (LOOP_PREFETCH): Remove.
1239 2006-04-24 Richard Guenther <rguenther@suse.de>
1241 PR tree-optimization/22525
1242 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1243 variable, adjust types of generated expressions.
1245 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1247 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1248 (tree-vect-patterns.o): Likewise.
1249 (jump.o): Likewise.
1250 (cselib.o): Likewise.
1251 (loop-doloop.o): Likewise.
1252 (regclass.o): Likewise.
1253 (reload1.o): Likewise.
1254 (explow.o): Replace target.h with $(TARGET_H).
1255 (ipa-prop.o): Likewise.
1256 (ipa-cp.o): Likewise.
1257 (ipa-inline.o): Likewise.
1258 (reorg.o): Likewise.
1259 (reg-stack.o): Likewise.
1261 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1263 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1265 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1267 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1269 * configure.ac: Completely disregard languages that are not
1270 enabled.
1271 * configure: Regenerated.
1273 PR c++/26534
1274 * c-common.h (c_build_bitfield_integer_type): Declare.
1275 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1276 * c-common.c (c_build_bitfield_integer_type): ... here.
1278 2006-04-23 Roger Sayle <roger@eyesopen.com>
1280 PR target/21283
1281 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1282 a SImode SUBREG of a floating point register after no_new_pseudos.
1284 2006-04-23 Roger Sayle <roger@eyesopen.com>
1286 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1287 identify potentially eliminable registers to additionally catch
1288 VIRTUAL_INCOMING_ARGS_REGNUM.
1289 (addsi3): Update the conditions on when to use addsi_small_int.
1291 2006-04-23 Roger Sayle <roger@eyesopen.com>
1293 PR target/16641
1294 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1295 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1296 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1298 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1300 * fold-const.c (range_predecessor): Use operand_equal_p
1301 as the predicate for equality.
1302 (range_successor): Likewise.
1304 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1306 Revert:
1307 * config/soft-fp/op-common.h: Fix a typo.
1309 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1311 PR libmudflap/26864
1312 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1313 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1315 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1317 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1318 Fix comment typos.
1319 * doc/tm.texi: Fix a typo.
1321 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1323 * dwarf2out.c (struct die_struct): Document that die_sib makes
1324 a circular linked list.
1325 (FOR_EACH_CHILD): New.
1326 (reverse_die_lists): Delete.
1327 (reverse_all_dies): Delete.
1328 (add_dwarf_attr): Correct documentation.
1329 (remove_child_with_prev): New.
1330 (remove_child_TAG): Update for change to die_struct, use
1331 remove_child_with_prev.
1332 (add_child_die): Update for change to die_struct.
1333 (splice_child_die): Use remove_child_with_prev and add_child_die.
1334 (print_die): Use FOR_EACH_CHILD.
1335 (die_checksum): Likewise.
1336 (assign_symbol_names): Likewise.
1337 (output_location_lists): Likewise.
1338 (build_abbrev_table): Likewise.
1339 (calc_die_sizes): Likewise.
1340 (mark_dies): Likewise.
1341 (unmark_dies): Likewise.
1342 (unmark_all_dies): Likewise.
1343 (output_die): Likewise.
1344 (prune_unused_types_mark): Likewise.
1345 (prune_unused_types_walk): Likewise.
1346 (same_die_p): Update for change to die_struct.
1347 (break_out_includes): Likewise.
1348 (prune_unused_types_prune): Likewise.
1349 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1350 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1351 it's already clear.
1352 (dwarf2out_finish): Don't call reverse_all_dies.
1354 2006-04-21 Eric Christopher <echristo@apple.com>
1356 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1357 in comments and function names.
1359 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1361 PR c/25875
1362 * c-typeck.c (digest_init): Robustify.
1364 * c-typeck.c (pop_init_level): Simplify.
1366 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1368 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1370 2006-04-21 Paul Brook <paul@codesourcery.com>
1372 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1373 hardware floating point.
1375 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1377 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1378 NON_FLOAT_REGS.
1380 2006-04-21 Nick Clifton <nickc@redhat.com>
1382 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1383 OPT_EXTRA_PARTS.
1385 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1387 PR target/27230
1388 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1389 C++ lang type in traceback table for Objective-C++.
1391 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1393 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1395 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1397 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1399 PR mudflap/26789
1400 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1401 were errors. Remove check for erroneous objects.
1403 2006-04-20 Jeff Law <law@redhat.com>
1405 PR tree-optimization/26854
1406 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1407 checking for zero or one use.
1408 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1409 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1410 * tree-ssa-reassoc.c (negate_value): Similarly.
1411 (reassociate_bb): Similarly.
1413 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1415 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1416 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1417 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1419 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1421 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1422 fp regs if the last fp arg doesn't fit in regs.
1424 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1426 PR target/27182
1427 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1428 that the last insn has the REG_INC note.
1430 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1431 Nathan Sidwell <nathan@codesourcery.com>
1433 PR c/26774
1434 * stor-layout.c (update_alignment_for_field): Do not align
1435 ERROR_MARK nodes.
1436 (place_union_field): Place union field at the start of the union.
1437 (place_field): Move ERROR_MARK check later, and use the current
1438 allocation position to maintain monotonicity.
1440 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1442 * dominance.c: Include timevar.h.
1443 (calculate_dominance_info): Use TV_DOMINANCE.
1444 * timevar.def (TV_DOMINANCE): New timevar.
1445 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1447 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1449 PR rtl-optimization/14261
1450 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1451 move would be an INSV insn.
1452 (noce_process_if_block): Don't optimize if the destination is a
1453 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1455 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1457 * config/s390/s390.md: Add comments with the instructions emitted
1458 by an insn pattern if macros are used.
1460 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1462 PR rtl-optimization/26026
1463 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1464 is a known power of two shifted left a variable amount.
1466 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1468 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1469 to hash table twice when the debug_str section has SECTION_MERGE.
1471 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1473 * config/soft-fp: New directory. From glibc.
1474 * config/soft-fp/t-softfp: New.
1475 * config/soft-fp/README: New.
1476 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1477 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1478 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1479 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1480 * config.gcc: Use rs6000/t-fprules-fpbit or
1481 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1482 rs6000/t-fprules.
1483 * config/rs6000/sfp-machine.h: New. Based on glibc.
1484 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1485 New.
1486 * config/rs6000/t-fprules: Remove fp-bit rules.
1487 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1488 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1489 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1490 (softfp_wrap_start, softfp_wrap_end): New.
1492 2006-04-18 DJ Delorie <dj@redhat.com>
1494 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1496 2006-04-18 Devang Patel <dpatel@apple.com>
1498 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1500 2006-04-18 Nick Clifton <nickc@redhat.com>
1502 * config/sh/t-symbian: Add rule to build sh-c.o
1503 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1504 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1505 (sh_symbian_encode_section_info): Likewise.
1507 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1509 * builtins.c (expand_builtin_strcmp): Cover label definition of
1510 do_libcall with HAVE_cmpstrnsi.
1512 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1514 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1515 instead of VARRAY.
1516 * function.h (temp_slot_p): New.
1517 (function): Change the type of x_used_temp_slots to
1518 VEC(temp_slot_p,gc) *.
1520 2006-04-18 Nick Clifton <nickc@redhat.com>
1522 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1523 flag_strength_reduce.
1525 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1527 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1529 PR target/27117
1531 Partial revert of revision 112637
1532 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1533 Dale Johannesen <dalej@apple.com>
1535 PR target/19653
1536 * regclass.c (struct reg_pref): Update documentation.
1537 (regclass): Set prefclass to NO_REGS if memory is the best option.
1538 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1540 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1542 PR tree-optimization/26821
1543 * tree-ssa-math-opts.c (get_constant_one): New.
1544 (insert_reciprocals): Use it.
1546 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1548 * dwarf2out.c (free_AT): Delete.
1549 (remove_AT): Update string ref counts.
1550 (remove_child_TAG): Don't call free_die.
1551 (free_die): Delete.
1552 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1553 or DW_TAG_GNU_EINCL.
1554 (prune_unused_types_walk_attribs): Reset string refcounts.
1555 (prune_unused_types_update_strings): New.
1556 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1557 call free_die. Do call prune_unused_types_update_strings.
1558 (prune_unused_types): Empty debug_str_hash.
1560 2006-04-17 Roger Sayle <roger@eyesopen.com>
1562 * expr.c (expand_assignment): Optimize away no-op moves where the
1563 source and destination are equal and have no side-effects.
1565 2006-04-17 Richard Guenther <rguenther@suse.de>
1567 PR target/26826
1568 * reload.c (push_reload): Guard calls to get_secondary_mem
1569 for memory subregs.
1571 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1573 * alias.c (reg_base_value, old_reg_base_value): Change the
1574 type to VEC(rtx,gc) *.
1575 (REG_BASE_VALUE, find_base_value, record_set,
1576 init_alias_analysis): Use VEC instead of VARRAY.
1578 * alias.c (alias_sets): Change the type to
1579 VEC(alias_set_entry,gc) *.
1580 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1581 VEC instead of VARRAY.
1582 (last_alias_set): Remove.
1584 * cgraph.h (cgraph_edge_p): New.
1585 Update the prototype of cgraph_function_versioning.
1586 * cgraphunit.c (cgraph_copy_node_for_versioning,
1587 cgraph_function_versioning): Use VEC instead of VARRAY.
1588 * ipa-cp.c (ipcp_insert_stage): Likewise.
1590 2006-04-16 Roger Sayle <roger@eyesopen.com>
1592 PR target/26961
1593 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1594 "A op B" or "A op C", we may need to convert A to the type of B and C.
1596 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1598 * target.h (struct gcc_target): Add mode_rep_extended.
1599 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1600 (init_num_sign_bit_copies_in_rep): Initialize it using
1601 mode_rep_extended.
1602 (truncate_to_mode): Use it.
1603 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1604 * targhooks.h (default_mode_rep_extended): Declare it.
1605 * targhooks.c (default_mode_rep_extended): Define it.
1606 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1607 default_mode_rep_extended.
1608 (TARGET_INITIALIZER): Include it.
1609 * doc/tm.texi (Misc): Document it.
1610 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1611 (mips_truncated_to_mode): New function.
1613 2006-04-16 Roger Sayle <roger@eyesopen.com>
1615 PR middle-end/25474
1616 * expr.c (compress_float_constant): Copy the narrow constant into
1617 a new pseudo before extending it to its final width.
1619 2006-04-16 Roger Sayle <roger@eyesopen.com>
1620 Andrew Pinski <pinskia@gcc.gnu.org>
1621 Dale Johannesen <dalej@apple.com>
1623 PR target/24076
1624 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1625 special case code to implement V8HImode and V16QImode with SSE2.
1627 2006-04-15 Roger Sayle <roger@eyesopen.com>
1629 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1630 trees are constructed with a suitable tree type.
1632 2006-04-15 Roger Sayle <roger@eyesopen.com>
1634 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1635 (integer_onep): Likewise.
1636 (integer_all_onesp): Likewise.
1637 (integer_pow2p): Likewise.
1638 (integer_nonzerop): Likewise.
1639 (real_zerop): Likewise.
1640 (real_onep): Likewise.
1641 (real_twop): Likewise.
1642 (real_minus_onep): Likewise.
1643 (int_size_in_bytes): Likewise.
1644 (host_integerp): Likewise.
1646 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1648 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1649 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1650 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1652 * tree-ssa-structalias.h (alias_info): Remove num_references.
1654 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1656 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1657 (output_bvb patterns): Likewise.
1658 * pa.c (output_bb): Use 'bb' insn for long branch case.
1659 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1660 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1661 1. Correct length operand for alternatives 1 and 2.
1662 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1663 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1665 2006-04-14 Roger Sayle <roger@eyesopen.com>
1667 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1668 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1669 were accidentally reverted by r112959.
1671 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1673 PR middle-end/26823
1674 * except.h (eh_region_outermost): New prototype.
1675 * except.c (eh_region_outermost): New function.
1676 * tree-cfg.c (find_outermost_region_in_block): Use it.
1678 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1680 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1681 of VARRAY.
1682 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1683 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1684 (init_reload, reload): Use VEC instead of VARRAY.
1685 * reload.h: Update the prototype for
1686 reg_equiv_memory_loc_varray.
1688 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1689 Eric Botcazou <ebotcazou@libertysurf.fr>
1691 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1692 register save area.
1694 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1696 PR middle-end/27134
1697 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1698 to expand fallback builtin function call.
1700 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1702 PR middle-end/27095
1703 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1704 and emit libcall here in case the builtin fails.
1705 (expand_builtin_strcmp): Always emit the libcall here on failure.
1707 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1709 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1710 * flow.c (reg_n_info): Change the type to
1711 VEC(reg_info_p,heap) *.
1712 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1713 instead of VARRAY.
1714 * regs.h (reg_info_p): New.
1715 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1716 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1717 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1718 instead of VARRAY.
1720 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1722 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1723 defaulting to 100.
1724 * params.h (MAX_SCHED_READY_INSNS): New macro.
1725 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1726 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1727 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1728 the ready list for 1 cycle during the first scheduling pass.
1729 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1731 2006-04-13 Richard Henderson <rth@redhat.com>
1733 PR libgomp/26651
1734 * gimple-low.c (lower_omp_directive): Remove dead code.
1735 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1736 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1737 * omp-low.c (struct omp_region): Move to tree-flow.h.
1738 (root_omp_region): Export.
1739 (omp_regions, lookup_omp_region): Remove.
1740 (determine_parallel_type): Update for struct omp_region changes.
1741 (dump_omp_region): Dump regions with block numbers.
1742 (new_omp_region): Take type and block instead of stmt; malloc
1743 instead of ggc.
1744 (free_omp_region_1, free_omp_regions): New.
1745 (expand_parallel_call): Take entry_stmt as argument; update for
1746 changes to omp_region.
1747 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1748 (remove_exit_barriers): New.
1749 (expand_omp_parallel): Update for struct omp_region changes.
1750 (expand_omp_synch): Likewise.
1751 (expand_omp): Likewise.
1752 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1753 (expand_omp_for_static_chunk): Likewise.
1754 (expand_omp_for): Likewise.
1755 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1756 (expand_omp_sections): Similarly, with GOMP_sections_end.
1757 (expand_omp_single): New.
1758 (build_omp_regions_1): Update for OMP_CONTINUE.
1759 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1760 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1761 OMP_SECTIONS_SECTIONS.
1762 (lower_omp_single_simple): Don't emit barrier here.
1763 (lower_omp_single_copy): Likewise.
1764 (lower_omp_single): Fix bindings, and lower to straightline now.
1765 (lower_omp_master, lower_omp_ordered): Likewise.
1766 (lower_omp_critical): Likewise.
1767 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1768 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1769 omp edges, free it afterward.
1770 (make_omp_sections_edges): Remove.
1771 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1772 (move_stmt_r): Handle OMP_CONTINUE.
1773 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1774 statement pointers to basic blocks. Add type member.
1775 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1776 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1777 * tree-inline.c (estimate_num_insns_1): Likewise.
1778 * tree-pretty-print.c (dump_generic_node): Likewise.
1779 * tree-ssa-operands.c (get_expr_operands): Likewise.
1780 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1781 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1782 (OMP_CONTINUE): New.
1783 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1784 (OMP_SECTIONS_SECTIONS): Remove.
1785 (OMP_SECTION_LAST): New.
1786 (OMP_RETURN_NOWAIT): New.
1788 2006-04-13 Roger Sayle <roger@eyesopen.com>
1790 * fold-const.c (native_encode_vector, native_interpret_real):
1791 Correct obvious mistakes in the previous check-in.
1793 2006-04-13 Roger Sayle <roger@eyesopen.com>
1795 * fold-const.c (native_encode_expr): New function to encode
1796 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1797 or VECTOR_CST into a specified buffer.
1798 (native_encode_int): New function.
1799 (native_encode_real): New function.
1800 (native_encode_complex): New function.
1801 (native_encode_vector): New function.
1802 (native_interpret_expr): Inverse of native_encode_expr to convert
1803 a target representation into an INTEGER_CST, REAL_CST etc...
1804 (native_interpret_int): New function.
1805 (native_interpret_real): New function.
1806 (native_interpret_complex): New function.
1807 (native_interpret_vector): New function.
1808 (fold_view_convert_expr): New function to constant fold/evaluate
1809 a VIEW_CONVERT_EXPR of a suitable constant expression.
1810 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1811 Change call of build1 to fold_build1 when constructing a
1812 VIEW_CONVERT_EXPR.
1814 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1815 Ulrich Weigand <uweigand@de.ibm.com>
1817 PR target/27006
1818 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1819 to be even.
1821 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1823 PR target/26459
1824 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1825 optimize to lo_sum for DFmode if !TARGET_FPRS.
1827 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1829 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1830 delete_alias_info, compute_flow_sensitive_aliasing,
1831 group_aliases): Use VEC instead of VARRAY.
1832 * tree-ssa-structalias.c (update_alias_info): Likewise.
1833 * tree-ssa-structalias.h (alias_info): Change the type of
1834 processed_ptrs to VEC(tree,heap) *.
1836 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1838 PR target/27060
1839 * config/sh/lib1funcs.h: New file, broken out of:
1840 * config/sh/lib1funcs.asm.
1841 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1842 New macros.
1843 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1844 * config/sh/lib1funcs-Os-4-200.asm: New file.
1845 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1846 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1847 (EXTRA_MULTILIB_PARTS): Include it.
1848 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1849 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1850 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1851 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1852 TARGET_SH2.
1854 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1856 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1857 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1858 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1859 VARRAY.
1860 * tree-ssa-live.h: Include vecprim.h.
1861 (tree_partition_associator_d): Change the type of
1862 first_partition to VEC(int,heap) *.
1863 (tpa_first_partition): Use VEC instead of VARRAY.
1865 * Makefile.in (GTFILES): Move functions.h after tree.h.
1866 * function.c (reset_block_changes, record_block_change,
1867 check_block_change, free_block_changes): Use VEC instead of
1868 VARRAY.
1869 * function.h (function): Change the type of
1870 ib_boundaries_block to VEC(tree,gc) *.
1871 * tree-inline.c (copy_cfg_body): Initialize
1872 ib_boundaries_block to NULL instead of (varray_type) 0.
1874 2006-04-12 Roger Sayle <roger@eyesopen.com>
1876 * expr.c (emit_group_store): Correct operand order in call to
1877 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1878 a SUBREG_BYTE of zero.
1880 2006-04-12 Richard Guenther <rguenther@suse.de>
1882 * profile.c (compute_branch_probabilities): Remove code
1883 encapsulated in !ir_type (), which are remanents of the
1884 removed RTL profiling code.
1885 * rtl-profile.c: Remove.
1887 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1889 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1890 magic NULL_RTX comment.
1891 (function_arg): Store entire fp arg to mem if any part should go
1892 on stack.
1893 (rs6000_arg_partial_bytes): Adjust for above change.
1895 2006-04-11 Roger Sayle <roger@eyesopen.com>
1897 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1898 if it hasn't been initialized by dwarf2out_init.
1900 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1902 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1903 symbolic constants in branch patterns.
1905 2006-04-11 Roger Sayle <roger@eyesopen.com>
1907 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1909 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1911 PR rtl-optimization/27073
1912 * gcse.c (try_replace_reg): Revert last change. Continue to search
1913 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1914 on the former.
1916 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1918 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1919 aggregate types other than record and union types.
1920 (function_arg): Likewise.
1921 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1922 small arrays.
1923 (function_value): In 64-bit mode, return objects that require it
1924 in FP registers.
1926 2006-04-11 Roger Sayle <roger@eyesopen.com>
1928 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1930 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1932 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1934 2006-04-03 Jeff Law <law@redhat.com>
1936 PR/27087
1937 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1938 alias information too.
1940 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1942 * Makefile.in (gcc-cross): Add $(exeext) to target name.
1944 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1946 PR/21391
1947 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1948 (premark_used_types_helper): New.
1949 (premark_used_types): New.
1950 (gen_subprogram_die): Call premark_used_types.
1951 (prune_unused_types_walk): Do not prune perennial dies.
1952 * function.c (used_types_insert): New.
1953 * function.h (struct function): Add used_types_hash field.
1954 (used_types_insert): Add prototype.
1955 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1956 * c-parser.c (c_parser_cast_expression): Save casted types in used
1957 types hash table.
1959 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1961 PR target/26459
1962 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1963 rs6000_explicit_options.float_gprs.
1965 2006-04-10 Roger Sayle <roger@eyesopen.com>
1967 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1968 from ix86_expand_vector_init_low_nonzero. Take an additional
1969 one_var argument indicating which element is non-zero. Support
1970 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1971 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1972 with one_var instead of ix86_expand_vector_init_low_nonzero.
1974 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1976 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1977 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1978 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1979 build/genextract.o): Depend on vecprim.h.
1980 * cfglayout.c, df-problems.c, function.c, genextract.c,
1981 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1982 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1983 vecprim.h.
1984 * vecprim.h: New.
1986 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1988 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1989 Declare VECs of this type.
1990 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1991 (remove_children): Delete.
1992 (add_dwarf_attr): Use VEC routines.
1993 (add_AT_flag): Update for changes to add_dwarf_attr.
1994 (add_AT_int): Likewise.
1995 (add_AT_unsigned): Likewise.
1996 (add_AT_long_long): Likewise.
1997 (add_AT_vec): Likewise.
1998 (add_AT_string): Likewise.
1999 (add_AT_die_ref): Likewise.
2000 (add_AT_fde_ref): Likewise.
2001 (add_AT_loc): Likewise.
2002 (add_AT_loc_list): Likewise.
2003 (add_AT_addr): Likewise.
2004 (add_AT_lbl_id): Likewise.
2005 (add_AT_lineptr): Likewise.
2006 (add_AT_macptr): Likewise.
2007 (add_AT_offset): Likewise.
2008 (add_AT_range_list): Likewise.
2009 (get_AT): Use VEC_iterate.
2010 (remove_AT): Use VEC_ordered_remove.
2011 (free_die): Fold remove_children into here; have it use VEC_iterate.
2012 (print_die): Use VEC_iterate on attrs.
2013 (reverse_die_lists): Don't reverse attr lists.
2014 (die_checksum): Use VEC_iterate on attrs.
2015 (same_die_p): Likewise.
2016 (output_location_lists): Likewise.
2017 (build_abbrev_table): Likewise.
2018 (size_of_die): Likewise.
2019 (unmark_all_dies): Likewise.
2020 (output_abbrev_section): Likewise.
2021 (output_die): Likewise.
2022 (prune_unused_types_walk_attribs): Likewise.
2024 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2026 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2028 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2030 PR debug/27057
2031 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2033 2006-04-09 Roger Sayle <roger@eyesopen.com>
2035 * expr.c (store_constructor): Don't bother clearing target if
2036 we're about to assign a vector to it using vec_init_optab.
2038 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2040 * tree-ssa-alias.c (lhs_may_store_to): New function.
2041 (recalculate_used_alone): Handle LHS of calls.
2043 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2045 PR target/27034
2046 PR target/26508
2047 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2048 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2049 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2050 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2051 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2052 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2053 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2054 stubs. Add ".align 8" directives before all ".dword" directives.
2055 (GTHREAD_USE_WEAK): Revise comment.
2056 (TARGET_ATTRIBUTE_WEAK): Define.
2057 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2058 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2059 * stublib.c: New file.
2061 PR target/26743
2062 PR target/11254
2063 PR target/10274
2064 * pa.md (cbranch patterns): Revise arguments used in calls to
2065 output_cbranch, output_bb and output_bvd. Add long branch length
2066 attributes.
2067 (fbranch patterns): Handle long branches.
2068 (jump): Revise length check. Revise arguments for output_lbranch call.
2069 Add long branch length attributes.
2070 (decrement_and_branch_until_zero): Add long branch length attributes.
2071 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2072 Likewise. Revise arguments for output_parallel_addb and
2073 output_parallel_movb calls.
2074 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2075 output_parallel_movb and output_parallel_addb): Update prototypes.
2076 * pa.c (output_cbranch): Revise arguments. Correct handling of
2077 nullification in long branches.
2078 (output_lbranch): Add new argument to control extraction of delay
2079 instruction.
2080 (output_bb): Handle long branches.
2081 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2082 output_parallel_addb): Likewise.
2084 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2086 PR rtl-optimization/27073
2087 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2088 not REG_EQUIVs.
2090 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2092 * tree.h (tree_memory_tag): Add old_used_alone.
2093 (SMT_OLD_USED_ALONE): New macro.
2094 * tree-ssa-alias.c (recalculate_used_alone): Stop
2095 marking things for renaming unnecessarily.
2097 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2099 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2100 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2101 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2102 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2103 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2104 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2105 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2106 spelling convensions.
2107 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2108 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2109 typos. Follow spelling conventions.
2111 2006-04-07 DJ Delorie <dj@redhat.com>
2113 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2114 passed on the stack.
2115 (m32c_init_cumulative_args): When a function returns a structure,
2116 always pass the pointer to that return area on the stack.
2117 (m32c_function_arg_advance): Don't increment the parameter number
2118 if we're processing the returned structure pointer.
2119 (pushm_info): Reverse order of registers.
2121 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2123 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2124 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2125 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2126 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2127 build_int_cst_type.
2128 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2129 chrec_fold_multiply): Same.
2130 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2131 force_expr_to_var_cost): Same.
2132 * tree-mudflap.c (mf_xform_derefs_1): Same.
2133 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2135 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2137 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2138 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2139 insn.
2141 2006-04-07 Jan Hubicka <jh@suse.cz>
2143 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2145 2006-04-07 Richard Guenther <rguenther@suse.de>
2147 PR tree-optimization/26135
2148 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2149 loads for store copy-prop.
2150 (copy_prop_visit_stmt): Likewise.
2152 2006-04-05 Robert Millan <robertmh@gnu.org>
2154 * config/i386/linux.h: Add a comment to mark macros that are
2155 being overriden in config/k*bsd-gnu.h.
2156 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2157 DYNAMIC_LINKER.
2158 * config/knetbsd-gnu.h: Ditto.
2160 2006-04-06 Jan Hubicka <jh@suse.cz>
2162 PR profile/20815
2163 PR profile/26399
2164 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2165 after buffer.
2167 2006-04-06 Mike Stump <mrs@apple.com>
2169 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2170 for HAVE_nonlocal_goto to be consistent.
2171 (expand_builtin_nonlocal_goto): Likewise.
2172 (expand_builtin_strcmp): Use #ifdef instead of #if
2173 for HAVE_cmpstrnsi to be consistent.
2175 2006-04-05 DJ Delorie <dj@redhat.com>
2177 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2178 vs m32c.
2180 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2182 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2183 got-relative addressing for anything but SImode.
2185 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2186 even if the calling function doesn't modify them.
2188 2006-04-05 Richard Guenther <rguenther@suse.de>
2190 PR tree-optimization/26919
2191 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2192 to cgraph_estimate_size_after_inlining.
2194 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2196 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2198 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2200 PR tree-optimization/26996
2201 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2202 VECTOR_TYPE variables.
2204 2006-04-05 Richard Guenther <rguenther@suse.de>
2206 PR tree-optimization/26763
2207 * fold-const.c (fold_comparison): Move folding of
2208 PTR + CST CMP PTR + CST ...
2209 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2211 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2213 * doc/install.texi (Prerequisites): Refine some wording on
2214 bootstrapping and ksh.
2215 Move the version numbers of DejaGnu here from the testing section
2216 and fix casing of names.
2217 Fix markup and clarify wording for autogen requirements.
2218 Refer to GCJ instead of just java.
2219 Refer to SVN instead of CVS.
2220 Describe diffutils as useful instead of necessary.
2221 (Downloading the source): Refer to SVN instead of CVS.
2222 Adjust a link to our web site accordingly.
2223 (Configuration): Fix casing of Bison.
2224 (Building): Refer to SVN instead of CVS.
2225 Fix a sentence on the use of Bison and remove duplicate (and
2226 incorrect) version number of Bison requirement.
2227 Remove one redundant list of packages needed for building.
2228 (Specific): Avoid reference to CVS.
2230 2006-04-04 Eric Christopher <echristo@apple.com>
2232 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2233 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2234 (rs6000_handle_struct_attribute): New.
2235 (rs6000_ms_bitfield_layout_p): Ditto.
2237 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2239 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2240 NULL for dso parameter to atexit_common.
2242 2006-04-04 Eric Christopher <echristo@apple.com>
2244 * config/i386/i386.c (machopic_output_stub): Output \t
2245 between instructions and operands.
2247 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2249 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2250 satisfies_constraint_[IL] to explicit tests on value.
2252 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2254 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2255 set_nb_iterations_in_loop): Use build_int_cst instead of
2256 build_int_cst_type.
2257 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2258 build_int_cst instead of convert.
2260 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2262 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2263 new value 2 for incoming.
2264 * function.c (expand_function_start): Call struct_value_rtx
2265 with incoming as 2.
2266 * config/sparc/sparc.md: Comment updated_return.
2267 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2268 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2269 struct return if sparc_std_struct_return and incoming is 2.
2270 (print_operand): Do not adjust return if
2271 sparc_std_struct_return.
2273 2006-04-04 Roger Sayle <roger@eyesopen.com>
2275 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2276 convert in the middle-end.
2277 * expr.c (store_expr, store_constructor, get_inner_reference,
2278 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2279 Likewise.
2280 * tree.c (build_range_type): Likewise.
2282 2006-04-04 Tom Tromey <tromey@redhat.com>
2284 * doc/install.texi (Prerequisites): Mention jar.
2286 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2288 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2289 subsection.
2291 2006-04-04 Matthias Klose <doko@debian.org>
2293 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2294 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2295 strings.
2297 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2299 * doc/extend.texi (Function Attributes): Rewrite visibility
2300 attribute documentation.
2301 * doc/invoke.texi (C++ Dialect Options): Rewrite
2302 -fvisibility-inlines-hidden documentation to describe something
2303 entirely different, although in practise compatible.
2304 (Code Gen Options): Warn about system headers in -fvisibiltity=
2305 documentation.
2307 * doc/extend.texi (Other Builtins): Document that
2308 __builtin_nan is a compile-time constant only when its argument
2309 is valid.
2311 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2313 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2314 trying to remove TRUNCATE check if all bits outside the new mode
2315 are identical to the sign bit.
2317 2006-04-03 Jeff Law <law@redhat.com>
2319 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2320 and operand scanning in some common cases.
2322 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2323 Dale Johannesen <dalej@apple.com>
2325 PR target/19653
2326 * regclass.c (struct reg_pref): Update documentation.
2327 (regclass): Set prefclass to NO_REGS if memory is the best option.
2328 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2329 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2330 into account. For non-registers, equate an empty preferred
2331 reload class to a `!' in the constraint; move the if clause to
2332 do so after those that reject the insn.
2333 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2334 return NO_REGS.
2335 (find_dummy_reload): Likewise.
2336 * doc/tm.texi (Register Classes): Document what it means
2337 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2338 * config/i386/i386.c (ix86_preferred_reload_class): Force
2339 using SSE registers (and return NO_REGS for floating-point
2340 constants) if math is done with SSE.
2341 (ix86_preferred_output_reload_class): New.
2342 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2343 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2344 * config/i386/i386.md: Remove # register preferences.
2346 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2348 PR bootstrap/26992
2349 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2350 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2351 the type of nb_iter.
2352 (instantiate_parameters_1): Convert the operands before calling
2353 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2354 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2356 2006-04-02 Roger Sayle <roger@eyesopen.com>
2358 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2359 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2360 instead of convert.
2361 * dojump.c (do_jump): Likewise.
2362 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2363 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2364 gimplify_boolean_expr): Likewise.
2365 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2366 * varasm.c (array_size_for_constructor): Likewise.
2367 * tree-object-size.c (compute_object_offset): Likewise.
2369 2006-04-02 Roger Sayle <roger@eyesopen.com>
2371 PR middle-end/26977
2372 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2373 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2375 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2377 PR tree-optimization/26939
2378 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2380 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2382 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2383 at_stmt. Convert the type of operands before calling
2384 build_polynomial_chrec.
2385 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2386 add_to_evolution_1.
2387 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2388 (instantiate_parameters_1): Convert the type of operands before calling
2389 build_polynomial_chrec.
2390 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2391 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2392 reset_evolution_in_loop): Insert asserts to check the types of the
2393 operands.
2394 (chrec_type): Moved...
2395 (eq_evolutions_p): Use operand_equal_p.
2396 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2397 the types of the operands.
2398 (chrec_type): ...here.
2399 * tree-data-ref.c (create_data_ref): Convert the operands before
2400 calling chrec_replace_initial_condition.
2401 (same_access_functions, analyze_subscript_affine_affine,
2402 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2403 (compute_subscript_distance, analyze_ziv_subscript,
2404 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2405 analyze_miv_subscript): Convert the operands before calling
2406 chrec_fold_minus or chrec_fold_plus.
2408 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2410 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2411 the dependence_relations vector.
2412 (compute_data_dependences_for_loop): Adjust call to
2413 compute_all_dependences.
2415 2006-04-01 Roger Sayle <roger@eyesopen.com>
2416 Richard Henderson <rth@redhat.com>
2418 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2419 gimple_boolify on the condition before calling gimplify_expr.
2421 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2423 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2424 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2425 the frame size. Update to use the new macros.
2426 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2427 * config/xtensa/ieee754-df.S: Likewise.
2429 2006-03-31 Richard Henderson <rth@redhat.com>
2431 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2432 (make_edges): ... here. Control fallthru creation with a local
2433 variable. Do not play with fake edges.
2434 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2435 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2436 a boolean.
2438 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2440 * dwarf2.h (DW64_CIE_ID): Define.
2441 * dwarf2out.c (DWARF_CIE_ID): Define.
2442 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2443 length header. Use DWARF_CIE_ID.
2444 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2445 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2447 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2449 * config/sh/linux-atomic.asm: New file.
2450 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2452 2006-03-31 DJ Delorie <dj@redhat.com>
2454 * config/m32c/cond.md: Set condition flags properly throughout.
2455 * config/m32c/minmax.md: Likewise.
2456 * config/m32c/prologue.md: Likewise.
2457 * config/m32c/bitops.md: Likewise.
2458 * config/m32c/muldiv.md: Likewise.
2459 * config/m32c/mov.md: Likewise.
2460 * config/m32c/addsub.md: Likewise.
2461 * config/m32c/m32c.md: Likewise.
2462 * config/m32c/jump.md: Likewise.
2463 * config/m32c/shift.md: Likewise.
2465 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2466 conditionally output the pattern for this.
2467 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2468 (m32c_compare_redundant): New.
2469 (m32c_output_compare): New.
2470 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2472 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2473 dest, not src. Allow other 4-byte modes.
2475 2006-03-30 Denis Chertykov <denisc@overta.ru>
2477 * doc/md.texi: Refer to avr/constraints.md instead of
2478 avr/avr.h.
2480 2006-03-30 Roger Sayle <roger@eyesopen.com>
2482 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2483 signed vs. unsigned comparison failures on some hosts.
2485 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2487 PR target/26459
2488 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2489 change to FLOAT_REGS.
2491 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2492 (rs6000_override_options): Use it.
2493 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2494 only for -mabi=spe/no-spe and -mabi=altivec.
2496 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2498 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2499 !Zdynamiclib.
2501 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2503 * Makefile.in: Rename docdir to gcc_docdir.
2505 2006-03-30 Roger Sayle <roger@eyesopen.com>
2507 PR target/17959
2508 * expr.c (emit_group_store): Optimize group stores into a pseudo
2509 register by using a paradoxical subreg to initialize the destination
2510 if the first or last member of the group specifies a "low part".
2512 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2514 PR target/26734
2515 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2516 * target.h (struct gcc_target.speculate_insn): Change type of the
2517 second parameter to 'int'.
2518 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2519 the second operand of the DEPS_LIST.
2520 (copy_DEPS_LIST_list): Update reference to the second operand of the
2521 DEPS_LIST.
2522 * rtl.h (alloc_DEPS_LIST): Update signature.
2523 * sched-int.h (ds_t): Change typedef to 'int'.
2524 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2526 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2528 * haifa-sched.c (try_ready): Change condition to restore
2529 non-speculative pattern of the instruction.
2530 (process_insn_depend_be_in_spec): Code to keep probability of the
2531 speculative dependence non-decreasing.
2533 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2535 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2536 (single_move_for_movmem): ... this. Also change all uses.
2537 (bfin_expand_strmov): Renamed to...
2538 (bfin_expand_movmem): ... this. Also change all uses.
2539 * config/bfin/bfin.md (movstrsi): Renamed to...
2540 (movstrsi): ...this.
2542 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2544 PR tree-optimization/26830
2546 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2547 (copy_prop_visit_stmt): Remove write-only variable ann.
2548 (init_copy_prop): Check variable loop depth here. Do not simulate
2549 memory-tag and virtual operand PHIs except for store copy prop.
2551 2006-03-30 Richard Guenther <rguenther@suse.de>
2553 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2554 variants with double arguments.
2556 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2558 * genpreds.c (write_tm_constrs_h): Delete variable p.
2559 * genconditions.c (write_header): Add tm-constrs.h to included
2560 headers.
2561 * genpeep.c (main): Add toplev.h to included headers.
2562 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2563 (build/genpeep.o): Add toplev.h dependency.
2564 * config/rs6000/constraints.md: Add "W" constraint.
2566 2006-03-29 Roger Sayle <roger@eyesopen.com>
2568 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2569 sizes by correctly testing whether the size fits a host integer.
2570 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2571 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2572 SImode range for the default sizetype and bitsizetype.
2574 2006-03-29 Roger Sayle <roger@eyesopen.com>
2576 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2577 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2578 quickly if the argument is already of the correct type.
2579 Call fold_build1 instead of build1. Tidy up blank lines.
2581 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2583 * genemit.c (main): Add tm-constrs.h to included headers.
2584 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2585 * genpeep.c (main): Add tm-constrs.h to included headers.
2586 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2587 (write_tm_constrs_h): this and write complete file.
2588 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2589 (write_insn_preds_c): Add tm-constrs.h to included headers.
2590 (gen_constrs): New variable.
2591 (parse_option): Parse "-c".
2592 (main): Invoke write_tm_constrs_h.
2593 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2594 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2595 (object_out_file): Add tm-constrs.h dependency.
2596 (insn-emit.o): Same.
2597 (insn-output.o): Same.
2598 (insn-peep.o): Same.
2599 (insn-preds.o): Same.
2600 (insn-recog.o): Same.
2601 (tm-constsr.h): New target.
2602 (s-constrs-h): New target.
2604 * config/rs6000/constraints.md: New file.
2605 * config/rs6000/rs6000.c: Include tm-constrs.h.
2606 (num_insn_constant_wide): Convert to satisfies_constraint.
2607 (rs6000_rtx_costs): Convert to satisfies_constraint.
2608 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2609 (CONST_OK_FOR_LETTER_P): Delete.
2610 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2611 (EXTRA_CONSTRAINT): Delete.
2612 (EXTRA_MEMORY_CONSTRAINT): Delete.
2613 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2614 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2615 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2616 satisfies_constraint.
2618 * config/i386/i386.c: Include tm-constrs.h.
2620 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2622 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2623 * tree-data-ref.c (find_data_references_in_loop,
2624 compute_data_dependences_for_loop): Use pointers to VEC.
2625 (analyze_all_data_dependences): Adjust calls.
2626 * tree-data-ref.h (find_data_references_in_loop,
2627 compute_data_dependences_for_loop): Adjust declarations.
2628 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2629 compute_data_dependences_for_loop.
2631 2006-03-29 Paul Brook <paul@codesourcery.com>
2633 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2634 (movdf_vfp): Ditto.
2636 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2638 PR tree-optimization/26859
2639 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2640 division by zero.
2641 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2642 for the step after fold_convert.
2644 2006-03-29 Paul Brook <paul@codesourcery.com>
2646 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2647 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2649 2006-03-29 Paul Brook <paul@codesourcery.com>
2651 PR middle-end/23623
2652 * targhooks.c (default_narrow_bitfield): New fuction.
2653 * targhooks.h (default_narrow_bitfield): add prototype.
2654 * target.h (gcc_target): Add narrow_volatile_bitfield.
2655 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2656 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2657 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2658 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2660 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2662 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2663 tmake_file.
2664 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2665 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2666 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2667 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2668 (s390_function_arg_float): Allow SDmode and DDmode values to be
2669 passed in floating point registers.
2670 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2671 check with SCALAR_FLOAT_MODE_P.
2672 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2674 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2676 PR tree-optimization/25985
2677 * tree-ssa-loop-niter.c (number_of_iterations_le,
2678 number_of_iterations_ne): Make comments more precise.
2679 (number_of_iterations_cond): Add only_exit argument. Use the
2680 fact that signed variables do not overflow only when only_exit
2681 is true.
2682 (loop_only_exit_p): New.
2683 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2684 number_of_iterations_cond.
2686 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2688 PR tree-optimization/26643
2689 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2690 bit_field_refs.
2692 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2694 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2695 (divsi3_i4_int): Likewise.
2697 2006-03-28 Roger Sayle <roger@eyesopen.com>
2699 * expr.c (emit_group_store): Only create a new pseudo reg if the
2700 quantity it needs to hold isn't already a suitable pseudo.
2702 2006-03-28 Jeff Law <law@redhat.com>
2704 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2705 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2707 2006-03-28 Roger Sayle <roger@eyesopen.com>
2709 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2710 the equivalent ~X & Y, and the symmetry related transformations.
2711 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2712 ~X & Y, and symmetry related transforms.
2714 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2716 Revert my 2006-03-27 patches.
2718 2006-03-28 Roger Sayle <roger@eyesopen.com>
2720 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2721 ~(T1)X, when T1 and T2 are integer types of the same precision
2722 and (T2)X isn't an extension.
2724 2006-03-28 Jeff Law <law@redhat.com>
2726 PR tree-optimization/26796
2727 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2728 need EH edge cleanups rather than purging them immediately.
2729 (eliminate_degenerate_phis): Handle queued EH cleanups.
2731 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2733 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2734 from parent_var.
2736 2006-03-27 Roger Sayle <roger@eyesopen.com>
2738 PR middle-end/22524
2739 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2740 cast BIT_NOT_EXPR operand to the correct type.
2742 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2744 * tree-loop-linear.c: Don't include varray.h.
2745 (gather_interchange_stats, try_interchange_loops,
2746 linear_transform_loops): Use VEC instead of VARRAY.
2747 * lambda-mat.c: Don't include varray.h.
2748 * tree-chrec.c: Same.
2749 * lambda-trans.c: Same.
2750 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2751 VEC instead of VARRAY.
2752 * tree-vectorizer.h: Idem.
2753 * tree-data-ref.c (dump_data_references,
2754 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2755 initialize_data_dependence_relation, finalize_ddr_dependent,
2756 compute_all_dependences, find_data_references_in_loop,
2757 compute_data_dependences_for_loop, analyze_all_data_dependences,
2758 free_dependence_relation, free_dependence_relations,
2759 free_data_refs): Idem.
2760 * tree-data-ref.h (data_reference_p, subscript_p): New.
2761 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2762 VEC instead of VARRAY.
2763 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2764 (find_data_references_in_loop, compute_data_dependences_for_loop,
2765 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2766 dump_data_dependence_relations, free_dependence_relations,
2767 free_data_refs): Adjust declaration.
2768 (lambda_transform_legal_p): Move declaration here...
2769 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2770 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2771 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2772 vect_analyze_data_refs): Use VEC instead of VARRAY.
2773 * lambda.h (lambda_transform_legal_p): ...from here.
2774 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2775 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2776 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2777 tree-chrec.o): Don't depend on VARRAY_H.
2779 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2781 * rtl.def (Copyright): Update date.
2782 (DEPS_LIST): Change type of the second operand to 'int'.
2783 * target.h (Copyright): Update date.
2784 (struct gcc_target.speculate_insn): Change type of the second parameter
2785 to 'int'.
2786 * lists.c (Copyright): Update date.
2787 (alloc_DEPS_LIST): Change signature. Update reference to the second
2788 operand of the DEPS_LIST.
2789 (copy_DEPS_LIST_list): Update reference to the second operand of the
2790 DEPS_LIST.
2791 * rtl.h (Copyright): Update date.
2792 (alloc_DEPS_LIST): Update signature.
2793 * sched-int.h (Copyright): Update date.
2794 (ds_t): Change typedef to 'int'.
2795 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2797 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2799 * haifa-sched.c (Copyright): Update date.
2800 (try_ready): Change condition to restore non-speculative pattern
2801 of the instruction.
2802 (process_insn_depend_be_in_spec): Code to keep probability of the
2803 speculative dependence non-decreasing.
2805 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2807 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2808 shut up the compiler.
2810 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2812 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2813 to use lib prefix for target.
2814 ($(T)libic_invalidate_array_4-200.a): Likewise.
2815 ($(T)libic_invalidate_array_4a.a): Likewise.
2817 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2818 J"orn Rennecke <joern.rennecke@st.com>
2820 * superh.opt: New file.
2821 * sh.c (boardtype, osruntime): Remove.
2822 * superh.h (SUBTARGET_OPTIONS): Remove.
2823 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2825 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2826 arguments with ^ and/or [].
2828 * config.gcc (sh-*-*): Add quoting to account for quirk of
2829 Solaris /bin/sh.
2830 Replace == with = in enable_incomplete_targets test.
2832 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2833 with MASK_LITTLE_ENDIAN.
2835 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2836 * config/sh/sh.opt: Added to some comments.
2837 * config/sh/superh.h: Removed some chaff.
2839 * config/sh/sh.opt: Add m4-[1234]00* options.
2840 * config/sh/sh.c (sh_handle_option): Likewise.
2841 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2842 (ic_invalidate_array_4-100.o): New rule.
2843 ($(T)libic_invalidate_array_4-100.a): Likewise.
2844 (ic_invalidate_array_4-200.o): Likewise.
2845 ($(T)libic_invalidate_array_4-200.a): Likewise.
2846 (ic_invalidate_array_4a.o): Likewise.
2847 ($(T)libic_invalidate_array_4a.a): Likewise.
2848 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2849 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2850 m4-200*, and m4a*.
2851 * config/sh/crt1.asm: Merged in profiling code.
2852 * config/sh/superh.h (STARTFILE_SPEC): Override.
2853 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2854 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2855 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2857 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2858 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2859 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2861 * sh.opt (mpretend-cmove): New option.
2862 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2863 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2864 (movsicc): Add TARGET_PRETEND_CMOVE code.
2866 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2868 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2869 s390_class_max_nregs): New function prototypes.
2870 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2871 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2872 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2873 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2875 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2877 * dwarf2out.c (add_location_or_const_value_attribute): Call
2878 tree_add_const_value_attribute if nothing else works.
2879 (reference_to_unused): New.
2880 (rtl_for_decl_init): Use reference_to_unused to decide whether
2881 to output an initializer.
2883 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2885 PR target/26459
2886 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2887 peephole removing spe frob_di_df_2.
2889 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2891 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2892 (subscript_dependence_tester_1): Declared.
2893 (print_dir_vectors, print_dist_vectors): New.
2894 (debug_data_dependence_relation): New.
2895 (dump_data_dependence_relation): Print more details.
2896 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2897 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2898 (save_dist_v, save_dir_v, add_outer_distances,
2899 build_classic_dist_vector_1): New.
2900 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2901 Don't test for lambda_vector_lexico_pos.
2902 (same_access_functions, add_multivariate_self_dist,
2903 add_other_self_distances, dir_from_dist): New.
2904 (build_classic_dir_vector): Replace implementation almost identical to
2905 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2906 dir_from_dist.
2907 (subscript_dependence_tester_1): New.
2908 (subscript_dependence_tester): Handle the lexicographically negative
2909 distance vectors by recomputing the dependence relation.
2910 (compute_affine_dependence): Remove parameter loop_nest_depth.
2911 (compute_self_dependence): Don't call compute_subscript_distance.
2912 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2913 Add a parameter for the loop_nest.
2914 (find_loop_nest_1, find_loop_nest): New.
2915 (compute_data_dependences_for_loop): Compute the loop nest, and give
2916 up if the nest is not well formed.
2917 * tree-data-ref.h (loop_p): New.
2918 (struct data_dependence_relation): Replace size_vect field with
2919 loop_nest, a vec of loops.
2920 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2921 (DDR_LOOP_NEST): New.
2922 (print_dir_vectors, print_dist_vectors,
2923 debug_data_dependence_relation): Declared.
2924 (index_in_loop_nest): New.
2925 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2926 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2927 distance.
2929 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2931 * simplify-rtx.c (simplify_relational_operation): Call
2932 simplify_relational_operation_1 even if mode is VOIDmode.
2934 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2936 PR tree-optimization/26804
2937 * tree.h (DECL_CALL_CLOBBERED): New macro.
2938 (tree_decl_common): Add call_clobbered_flag.
2939 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2940 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2941 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2942 (mark_non_addressable): Ditto.
2943 * tree-ssa.c (verify_call_clobbered): New function.
2944 (verify_alias_info): Use it.
2945 * tree-pass.h (pass_reset_cc_flags): New prototype.
2946 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2947 (reset_cc_flags): New function.
2948 * passes.c (init_optimization_passes): Call reset_cc_flags after
2949 initializing referenced_vars.
2951 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2952 Roger Sayle <roger@eyesopen.com>
2954 PR middle-end/26717
2955 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2956 to 1.0 for non-real operands. Implement A / A optimization for
2957 complex operands.
2959 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2961 * config/i386/i386.c (size_cost): Correct the comment for
2962 cost of storing fp registers.
2963 (i386_cost): Likewise.
2964 (i486_cost): Likewise.
2965 (pentium_cost): Likewise.
2966 (pentiumpro_cost): Likewise.
2967 (k6_cost): Likewise.
2968 (athlon_cost): Likewise.
2969 (k8_cost): Likewise.
2970 (pentium4_cost): Likewise.
2971 (nocona_cost): Likewise.
2972 (generic64_cost): Likewise.
2973 (generic32_cost): Likewise.
2975 2006-03-24 Denis Chertykov <denisc@overta.ru>
2977 * config/avr/avr-protos.h (extra_constraint): Delete.
2978 (extra_constraint_Q): New declaration.
2979 * config/avr/constraints.md: New file.
2980 * config/avr/avr.md: Include it.
2981 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2982 (TMP_REGNO, ZERO_REGNO): Likewise.
2983 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2984 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2985 (extra_constraint): Delete.
2986 (extra_constraint_Q): Test for memory constraint 'Q'.
2987 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2988 (REG_CLASS_FROM_LETTER): Delete.
2989 (CONST_OK_FOR_LETTER_P): Delete.
2990 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2991 (EXTRA_CONSTRAINT): Delete.
2992 (TMP_REGNO): Delete.
2993 (ZERO_REGNO): Delete.
2995 2006-03-24 Jeff Law <law@redhat.com>
2997 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2998 directly. Call mark_new_vars_to_rename slightly earlier.
3000 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3002 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3003 (is_cxx): Likewise.
3004 (gen_compile_unit_die): Use new language types for Objective-C and
3005 Objective-C++.
3006 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3007 DW_LANG_C_plus_plus.
3009 PR 26793
3010 * config/t-darwin (crt3.o): Work around bug 26840.
3011 * config/darwin-crt3.c: Rewrite.
3012 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3014 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3016 * doc/invoke.texi: Document -femit-class-debug-always
3017 * common.opt: Add -femit-class-debug-always.
3019 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3021 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3022 index and base register.
3023 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3024 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3025 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3026 REGNO_OK_FOR_INDEX_P.
3027 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3028 ADDR_REGNO_P.
3029 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3030 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3031 REG_OK_FOR_BASE_P): Definitions removed.
3033 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3035 PR middle-end/26611
3036 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3037 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3038 set yet or weren't marked as local yet.
3040 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3042 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3043 the compiler.
3045 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3047 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3048 (rs6000_legitimate_small_data_p): Delete.
3049 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3050 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3051 and make static. Add forward declaration. Update uses.
3052 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3053 of offsettable_memref_p.
3054 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3055 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3057 2006-03-24 Jeff Law <law@redhat.com>
3059 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3060 around bug in immediate-use iterator.
3062 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3064 PR target/26607
3065 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3066 or __LITTLE_ENDIAN__.
3068 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3070 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3071 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3072 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3073 * config/sh/sh.opt (mdiv=): Amend description.
3074 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3075 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3076 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3077 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3078 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3079 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3080 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3081 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3082 TARGET_DIVIDE_CALL_FP.
3084 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3086 * haifa-sched.c (choose_ready): Fix type of the local variable.
3087 Move local variables. Add comment.
3088 (check_reg_live): Change signature. Make callable from debugger.
3089 * sched-int.h (check_reg_live): Update signature.
3090 * sched-ebb.c (check_reg_live): Update parameters.
3091 * sched-rgn.c (check_reg_live): Ditto.
3092 (region_head_or_leaf_p): Check pointer before dereferencing.
3093 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3094 before reload on optimization levels below 1.
3096 2006-03-23 Richard Henderson <rth@redhat.com>
3098 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3099 tls symbols.
3101 PR target/26347
3102 * config/alpha/predicates.md (local_symbolic_operand): Reject
3103 weak symbols.
3105 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3107 PR tree-opt/26795
3108 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3109 expressions which have overflowed constants.
3111 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3113 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3115 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3117 * cfgloopmanip.c (create_loop_notes): Removed.
3118 * final.c (final_scan_insn): Do not handle loop notes.
3119 * jump.c (squeeze_notes): Ditto.
3120 * cfglayout.c (skip_insns_after_block,
3121 duplicate_insn_chain): Ditto.
3122 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3123 create_loop_notes.
3124 * cfgloop.h (create_loop_notes): Declaration removed.
3126 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3128 * varasm.c (output_constant_pool): Restore fnname and fndecl
3129 arguments.
3130 (assemble_start_function): Adjust call accordingly.
3131 (assemble_end_function): Likewise.
3133 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3135 PR mudflap/26789
3136 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3138 PR mudflap/26790
3139 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3141 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3143 PR driver/22600
3144 * system.h (ICE_EXIT_CODE): New macro.
3145 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3146 (diagnostic_action_after_output): Likewise.
3147 * gcc.c (fatal_ice): New function.
3148 (execute): Use it instead of fatal.
3149 (fancy_abort): Likewise.
3150 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3152 2006-03-22 Jeff Law <law@redhat.com>
3154 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3155 iv_analyze_result returning false.
3157 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3159 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3161 2006-03-22 Richard Henderson <rth@redhat.com>
3163 PR middle-end/26084
3164 * except.c (duplicate_eh_regions_0): New.
3165 (duplicate_eh_region_1): Duplicate the children of the node as
3166 well as the node itself. Link them up properly.
3167 (duplicate_eh_region_2): Merge into ...
3168 (duplicate_eh_regions): ... here. Take copy_region argument, and
3169 copy only a sub-tree if asked. Simplify copying and fixup.
3170 (eh_region_outer_p): New.
3171 * except.h (duplicate_eh_regions): Update decl.
3172 (eh_region_outer_p): Declare.
3173 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3174 (lower_omp_master): Likewise.
3175 (lower_omp_ordered): Likewise.
3176 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3177 (move_stmt_r): Use it to remap labels. Handle recursion vs
3178 remap_decls_p properly.
3179 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3180 (find_outermost_region_in_block): New.
3181 (new_label_mapper): New.
3182 (move_sese_region_to_fn): Copy eh information to the new function
3183 properly.
3184 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3185 argument.
3186 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3187 number.
3189 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3191 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3192 into shared libraries.
3194 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3196 * doc/md.texi: Refer to i386/constraints.md instead of
3197 i386/predicates.md.
3198 * config/i386/constraints.md: New file, extracted from...
3199 * config/i386/predicates.md: ...here.
3200 * config/i386/i386.md: Include constraints.md.
3202 2006-03-21 Jason Merrill <jason@redhat.com>
3204 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3206 PR middle-end/20297
3207 * expr.c (init_block_move_fn): Force default visibility.
3208 (init_block_clear_fn): Likewise.
3209 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3210 * targhooks.c (default_external_stack_protect_fail): Likewise.
3212 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3214 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3215 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3216 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3217 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3218 (loadgp): Use mips_current_loadgp_style.
3219 (loadgp_noshared): New pattern.
3220 (sibcall_internal): Use MIPS_CALL.
3221 (sibcall_value_internal): Likewise.
3222 (sibcall_value_multiple_internal): Likewise.
3223 (call_internal): Likewise.
3224 (call_value_internal): Likewise.
3225 (call_value_multiple_internal): Likewise.
3226 (call_split): Use MIPS_CALL and add an 'S' constraint.
3227 (call_value_split): Likewise.
3228 (call_value_multiple_split): Likewise.
3229 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3230 (-mshared): New option.
3231 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3232 (mips_current_loadgp_style): Declare.
3233 * config/mips/mips.c (mips_classify_symbol): Avoid using
3234 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3235 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3236 TARGET_ABSOLUTE_ABICALLS.
3237 (override_options): Adjust comments. Improve the warning that is
3238 issued when -mabicalls and -G are used together.
3239 (mips_file_start): Remove comment.
3240 (mips_current_loadgp_style): New function.
3241 (mips_gnu_local_gp): New variable.
3242 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3243 LOADGP_ABSOLUTE.
3244 (mips_output_function_prologue): Use mips_current_laodgp_style.
3245 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3246 the cprestore instruction.
3247 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3248 live for TARGET_ABSOLUTE_ABICALLS.
3249 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3250 (ASM_SPEC): Pass down -mshared and -mno-shared.
3251 (MIPS_CALL): New macro.
3252 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3253 definition.
3254 * doc/invoke.texi (-mabicalls): Update documentation.
3255 (-mshared): Document.
3257 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3259 * config/ia64/unwind-hpux.c: New file.
3260 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3262 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3264 PR libgomp/26384
3265 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3267 2006-03-21 Jeff Law <law@redhat.com>
3269 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3270 type conversions of a VR_VARYING source to a wider type.
3272 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3274 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3275 tm_file on Solaris 10 and later.
3276 (sparc64-*-solaris2*): Likewise.
3277 (sparc-*-solaris2*): Likewise.
3278 * config/sol26.h: Rename to config/sol2-6.h.
3279 * config/sol2-10.h: New file.
3281 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3283 PR tree-opt/26781
3284 * tree-ssa-pre.c (create_component_ref_by_pieces):
3285 Handle STRING_CST.
3287 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3289 PR c++/26690
3290 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3291 return it immediately.
3293 2006-03-21 Michael Matz <matz@suse.de>
3295 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3296 New members.
3297 (remove_arc, add_arc): Update num_out_arcs member.
3298 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3299 of out arcs.
3300 (cache_presence): New function.
3301 (compare_states_for_equiv): New function.
3302 (state_is_differed): Don't take number of outargs, adjust callers.
3303 Use new invariant for speeding up.
3304 (init_equiv_class): Create initial classes based on sorted
3305 input.
3306 (partition_equiv_class): Don't track out_arcs_num.
3307 (evaluate_equiv_classes): Call cache_presence on all states and
3308 sort them.
3310 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3312 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3313 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3314 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3315 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3316 callers changed.
3317 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3318 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3319 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3320 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3321 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3322 macros.
3323 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3324 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3325 (REGNO_REG_CLASS): ARGP is in PREGS.
3326 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3327 IREGS.
3328 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3329 to deal with those addresses.
3330 * addresses.h: New file.
3331 * caller-save.c: Include "addresses.h".
3332 (init_caller_save): Use new base_reg_class function.
3333 * rtl-factoring.c: Include "addresses.h".
3334 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3335 * recog.c: Include "addresses.h".
3336 (preprocess_constraints): Use new base_reg_class function.
3337 * regrename.c: Include "addresses.h".
3338 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3339 functions. Keep track of a new var INDEX_CODE to compute valid
3340 classes.
3341 (replace_oldest_value_addr): Likewise.
3342 (replace_oldest_value_mem): Use base_reg_class.
3343 * reload.c: Include "addresses.h".
3344 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3345 (find_reloads): Use new base_reg_class function.
3346 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3347 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3348 all callers and prototype changed.
3349 * reload1.c: Include "addresses.h".
3350 (maybe_fix_stack_asms): Use base_reg_class.
3351 * regclass.c: Include "addresses.h".
3352 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3353 (init_reg_autoinc): Use new base_reg_class function.
3354 (record_reg_classes): Likewise.
3355 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3356 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3357 Use new args to compute necessary class.
3359 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3360 regrename.o, rtl-factoring.o): Update dependencies.
3361 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3362 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3363 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3364 REG_OK_FOR_INDEX_P): Delete documentation.
3366 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3368 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3369 from V7 to V9 for Solaris 7 and above.
3371 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3373 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3374 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3375 argument pointers may not alias any other storage.
3376 * common.opt: Define option -fargument-noalias-anything.
3377 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3378 alias semantics is specified by flag_argument_noalias > 2.
3380 2006-03-20 Jeff Law <law@redhat.com>
3382 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3383 (pass_phi_only_cprop): Declare.
3384 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3385 with phi_only_cprop
3386 * tree-ssa-dom.c (degenerate_phi_result): New function.
3387 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3388 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3389 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3390 (eliminate_degenerate_phis): Likewise.
3391 (pass_phi_only_cprop): New pass descriptor.
3392 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3393 support code. Callers updated.
3394 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3395 (store_copy_prop): Likewise.
3396 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3398 2006-03-20 Jason Merrill <jason@redhat.com>
3400 PR c++/21764
3401 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3402 (push_visibility, pop_visibility): Likewise.
3403 * c-pragma.h: Declare them.
3405 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3407 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3409 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3410 parameter and use get_ebb_head_tail.
3411 (sh_md_init_global): Adjust uses of find_regmode_weight.
3413 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3415 * function.h (struct function) <x_tail_recursion_reentry>:
3416 Rename to x_stack_check_probe_note.
3417 (tail_recursion_reentry): Rename to stack_check_probe_note.
3418 * function.c: Replace tail_recursion_reentry with
3419 stack_check_probe_note everywhere.
3420 (expand_function_start): Only emit a note for
3421 stack_check_probe_note with -fstack-protect.
3422 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3424 * emit-rtl.c (remove_unnecessary_notes): Remove.
3425 (pass_remove_unnecessary_notes): Remove.
3426 * rtl.h (remove_unnecessary_notes): Remove prototype.
3427 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3428 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3429 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3431 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3433 PR tree-opt/26629
3434 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3435 (valid_in_set): Handle ARRAY_REF.
3436 Change "if min_variant or VH" to asserts.
3437 (create_component_ref_by_pieces): Handle ARRAY_REF.
3438 (create_expression_by_pieces): Likewise.
3439 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3441 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3443 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3444 is operand of switch, not str[0].
3446 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3448 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3449 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3451 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3453 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3454 end of insn_extra_address_constraint declaration.
3456 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3458 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3459 (no-sum-in-toc): Same.
3460 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3461 variables.
3462 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3463 NO_FP_IN_TOC for -fPIC instead of mask.
3465 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3466 (BOOT_LDFLAGS): Delete.
3467 (LDFLAGS): Delete.
3468 * config/rs6000/t-aix52: Same.
3470 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3471 (stmsi[345678]_power): New.
3473 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3475 * config/ia64/ia64.opt: Add empty line to end of file.
3477 2006-03-17 Richard Guenther <rguenther@suse.de>
3479 PR middle-end/26721
3480 * builtins.c (get_pointer_alignment): For component style references
3481 adjust alignment to the component type alignment. Make sure
3482 to adjust alignment for component access of constants.
3484 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3486 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3487 unconditional jump.
3489 2006-03-17 Paul Brook <paul@codesourcery.com>
3491 * doc/install.texi: Docuemnt --with-mode.
3492 * config.gcc: Add --with-mode for arm*-*-*.
3493 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3495 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3497 * sh.c (max_labelno_before_reorg): New variable.
3498 (sh_reorg): Initialize it.
3499 (find_barrier): Check max_labelno_before_reorg before using
3500 label_to_alignment. Take length of explicit alignment insns
3501 into account. When seeing a UNSPECV_CONST_END, return it.
3503 * sh.c (fixup_mova): Set mode of affected label to QImode.
3504 (untangle_mova): New function.
3505 (find_barrier): Use it. Check mode of label before decrementing
3506 num_mova.
3507 (sh_reorg): Likewise.
3508 Set mode of all insns back to VOIDmode.
3510 * sh.c (MOVA_LABELREF): New macro.
3511 (mova_p, fixup_mova, sh_reorg): Use it.
3512 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3513 ADDR_DIFF_VEC matches mova.
3515 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3517 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3518 with ATTRIBUTE_UNUSED.
3520 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3522 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3523 pointer, instead of assuming it is possible to derive the
3524 correct args size from a call insn.
3526 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3528 * rtl.h (CONST_INT_P): Define.
3529 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3530 instead of GET_CODE(x) == CONST_INT.
3531 (vax_rtx_costs): Likewise.
3532 (vax_output_int_move): Likewise.
3533 (vax_output_int_add): Likewise.
3534 (legitimate_constant_address_p): Likewise.
3535 (index_term_p): Likewise.
3536 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3537 * config/vax/vax.md (and<mode>3): Likewise.
3538 (ashrsi3): Likewise.
3539 (extv): Likewise.
3540 (movstricthi): Likewise.
3541 (movstrictqi): Likewise.
3542 (rotrsi3): Likewise.
3543 (five unnamed insns): Likewise.
3545 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3547 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3548 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3549 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3550 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3551 Pass to ASM_OUTPUT_DWARF_OFFSET.
3552 * dwarf2out.c (debug_frame_section): New.
3553 (output_call_frame_info): Use debug_frame_section. Pass it to
3554 dw2_asm_output_offset.
3555 (output_die): Pass appropriate section to dw2_asm_output_offset.
3556 (output_compilation_unit_header): Likewise.
3557 (output_pubnames): Likewise.
3558 (output_aranges): Likewise.
3559 (enum dw_val_class): Break dw_val_class_lbl_offset into
3560 dw_val_class_lineptr and dw_val_class_macptr.
3561 (add_AT_lbl_offset): Delete.
3562 (add_AT_lineptr): New.
3563 (add_AT_macptr): New.
3564 (AT_lbl): Expect a lineptr or macptr.
3565 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3566 (attr_checksum): Likewise.
3567 (same_dw_val_p): Likewise.
3568 (size_of_die): Likewise.
3569 (value_format): Likewise.
3570 (output_die): Likewise.
3571 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3572 add_AT_lbl_offset.
3573 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3574 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3575 * config/darwin-protos.h (darwin_file_start): New.
3576 (darwin_asm_output_dwarf_offset): New.
3577 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3578 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3579 darwin_file_start.
3580 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3581 if not EH section; simplify.
3582 (darwin_file_start): New.
3583 (darwin_asm_output_dwarf_offset): New.
3584 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3585 mark as 'debug'.
3586 (DEBUG_INFO_SECTION): Likewise.
3587 (DEBUG_ABBREV_SECTION): Likewise.
3588 (DEBUG_ARANGES_SECTION): Likewise.
3589 (DEBUG_MACINFO_SECTION): Likewise.
3590 (DEBUG_LINE_SECTION): Likewise.
3591 (DEBUG_LOC_SECTION): Likewise.
3592 (DEBUG_PUBNAMES_SECTION): Likewise.
3593 (DEBUG_STR_SECTION): Likewise.
3594 (DEBUG_RANGES_SECTION): Likewise.
3595 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3596 (ASM_OUTPUT_DWARF_OFFSET): New.
3598 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3600 * config.gcc (tm_defines): Always add to previous value rather
3601 than replacing it.
3603 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3605 * config/mips/predicates.md (splittable_const_int_operand): New,
3606 split from move_operand.
3607 (splittable_symbolic_operand): New.
3608 (move_operand): Add commentary. Use splittable_const_int_operand.
3609 Inline mips_atomic_symbolic_constant_p.
3610 * config/mips/mips.md: Add combine splitters for handling moves
3611 of splittable_const_int_operands and splittable_symbolic_operands.
3612 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3613 (mips_split_symbol): Declare.
3614 (mips_move_integer): Declare.
3615 * config/mips/mips.c (mips_split_p): Make global.
3616 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3617 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3618 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3619 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3620 (mips_offset_within_object_p): Handle block symbols.
3621 (mips_atomic_symbolic_constant_p): Delete.
3622 (mips_cannot_force_const_mem): Return false for constants that
3623 mips_legitimize_move can handle.
3624 (mips_use_blocks_for_constant_p): New function.
3625 (mips_split_symbol): Make global.
3626 (mips_move_integer): Likewise. Add a temporary register argument.
3627 (mips_legitimize_const_move): Use splittable_const_int_operand and
3628 splittable_symbolic_operand.
3629 (mips_use_anchors_for_symbol_p): New function.
3630 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3631 (mips_split_p): Declare.
3633 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3635 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3636 (mips*-*-linux*): Likewise.
3638 2006-03-16 Roger Sayle <roger@eyesopen.com>
3639 Daniel Speyer <dspeyer@wam.umd.edu>
3641 PR middle-end/18259
3642 * tree-dump.c (dump_real): New function.
3643 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3644 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3645 (tree-dump.o): Add $(REAL_H) to the dependencies.
3647 2006-03-16 Roger Sayle <roger@eyesopen.com>
3649 PR middle-end/21781
3650 * real.c (real_from_string): If the mantissa is zero, don't bother
3651 parsing the exponent as the result should always be zero.
3653 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3655 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3657 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3659 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3660 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3661 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3662 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3663 ia64_sched_finish_global): New static functions to implement
3664 hooks from gcc_target.sched.
3665 (spec_check_no, max_uid, pending_data_specs): New static variables.
3666 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3667 ia64_spec_check_src_p): New static functions.
3668 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3669 (TARGET_SCHED_ADJUST_COST): Removed.
3670 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3671 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3672 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3673 TARGET_SCHED_GEN_CHECK,
3674 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3675 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3676 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3677 Fixed to handle speculation checks.
3678 (rtx_needs_barrier): Fixed to handle speculative loads and
3679 their checks.
3680 (ia64_variable_issue): Added code to count speculative loads and their
3681 checks.
3682 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3683 speculative loads.
3684 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3685 New enumerations.
3686 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3687 New constants.
3688 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3689 (ia64_reorg): Reset stops_p to NULL after it is freed.
3690 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3691 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3692 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3693 chk_a.
3694 (data_speculative, control_speculative, check_load): New attributes.
3695 (mov<mode>_advanced, mov<mode>_speculative,
3696 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3697 zero_extend<mode>di2_speculative,
3698 zero_extend<mode>di2_speculative_advanced): New patterns for
3699 data and control speculative loads.
3700 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3701 check loads.
3702 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3703 New pattern for data and control speculation checks.
3704 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3705 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3706 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3707 Auxiliary definitions for the patterns.
3708 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3709 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3710 constraints.
3711 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3712 for speculation.
3713 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3714 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3715 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3716 New resource constraints.
3717 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3718 for speculation.
3719 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3720 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3721 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3722 msched-in-control-spec, msched-ldc, msched-control-ldc,
3723 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3724 msched-prefer-non-control-spec-insns,
3725 msched-count-spec-in-critical-path): New flags to tune speculative
3726 scheduling.
3727 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3728 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3729 msched-in-control-spec, msched-ldc, msched-control-ldc,
3730 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3731 msched-prefer-non-control-spec-insns,
3732 msched-count-spec-in-critical-path): Document new flags.
3734 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3736 * target.h (struct spec_info_def): New opaque declaration.
3737 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3738 speculate_insn, needs_block_p, gen_check,
3739 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3740 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3741 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3742 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3743 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3744 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3745 gcc_target.sched.
3746 (TARGET_SCHED): Use new macros.
3747 * rtl.h (copy_DEPS_LIST_list): New prototype.
3748 * sched-int.h (struct sched_info): Change signature of new_ready field,
3749 adjust all initializations. New fields: add_remove_insn,
3750 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3751 region_head_or_leaf_p.
3752 (struct spec_info_def): New structure declaration.
3753 (spec_info_t): New typedef.
3754 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3755 recovery_block, orig_pat.
3756 (glat_start, glat_end): New variables declaraions.
3757 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3758 New access macros.
3759 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3760 DETACH_LIFE_INFO, USE_GLAT.
3761 (enum SPEC_SCHED_FLAGS): New enumeration.
3762 (NOTE_NOTE_BB_P): New macro.
3763 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3764 attach_life_info, debug_spec_status, check_reg_live): New functions.
3765 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3766 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3767 sched-ebb.c
3768 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3769 * ddg.c (get_block_head_tail): Adjust all uses.
3770 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3771 (sms_sched_info): Initialize new fields.
3772 (contributes_to_priority): Removed.
3773 * haifa-sched.c (params.h): New include.
3774 (get_block_head_tail): Adjust all uses.
3775 (ISSUE_POINTS): New macro.
3776 (glat_start, glat_end): New global variables.
3777 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3778 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3779 old_last_basic_block, before_recovery, current_sched_info_var,
3780 rgn_n_insns, luid): New static variables.
3781 (insn_cost1): New function. Move logic from insn_cost to here.
3782 (find_insn_reg_weight1): New function. Move logic from
3783 find_insn_reg_weight to here.
3784 (reemit_notes, move_insn, max_issue): Change signature.
3785 (move_insn1): Removed.
3786 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3787 extend_bb): New static functions to support extension of scheduler's
3788 data structures.
3789 (generate_recovery_code, process_insn_depend_be_in_spec,
3790 begin_speculative_block, add_to_speculative_block,
3791 init_before_recovery, create_recovery_block, create_check_block_twin,
3792 fix_recovery_deps): New static functions to support
3793 generation of recovery code.
3794 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3795 restore_bb_notes, move_block_after_check, move_succs): New static
3796 functions to support ebb scheduling.
3797 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3798 functions to support handling of register live information.
3799 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3800 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3801 add_jump_dependencies): New static functions.
3802 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3803 consistancy checking.
3804 (debug_spec_status): New function to call from debugger.
3805 (priority): Added code to handle speculation checks.
3806 (rank_for_schedule): Added code to distinguish speculative instructions.
3807 (schedule_insn): Added code to handle speculation checks.
3808 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3809 Fixed to handle ebbs.
3810 (move_insn): Added code to handle ebb scheduling.
3811 (max_issue): Added code to use ISSUE_POINTS of instructions.
3812 (choose_ready): Added code to choose between speculative and
3813 non-speculative instructions.
3814 (schedule_block): Added code to handle ebb scheduling and scheduling of
3815 speculative instructions.
3816 (sched_init): Initialize new variables.
3817 (sched_finish): Free new variables. Print statistics.
3818 (try_ready): Added code to handle speculative instructions.
3819 * lists.c (copy_DEPS_LIST_list): New function.
3820 * sched-deps.c (extend_dependency_caches): New function. Move logic
3821 from create_dependency_caches to here.
3822 (get_dep_weak, ds_merge): Make global.
3823 * genattr.c (main): Code to output prototype for
3824 dfa_clear_single_insn_cache.
3825 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3826 (output_dfa_clean_insn_cache_func): Code to output
3827 dfa_clear_single_insn_cache function.
3828 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3829 n_insns.
3830 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3831 Removed.
3832 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3833 New static variables.
3834 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3835 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3836 struct sched_info.
3837 (ebb_sched_info): Initialize new fields.
3838 (get_block_head_tail): Adjust all uses.
3839 (compute_jump_reg_dependencies): Fixed to use glat_start.
3840 (schedule_ebb): Code to remove unreachable last block.
3841 (schedule_ebbs): Added code to update register live information.
3842 * sched-rgn.c (region_sched_info): Initialize new fields.
3843 (get_block_head_tail): Adjust all uses.
3844 (last_was_jump): Removed. Adjust users.
3845 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3846 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3847 Implement new hooks.
3848 (check_dead_notes1): New static function.
3849 (struct region): New fields: dont_calc_deps, has_real_ebb.
3850 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3851 (BB_TO_BLOCK): Fixed to handle EBBs.
3852 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3853 (ebb_head): New static variable.
3854 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3855 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3856 new fields.
3857 (compute_dom_prob_ps): New assertion.
3858 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3859 global_live_at_start.
3860 (init_ready_list): New assertions.
3861 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3862 (new_ready): Add support for BEGIN_CONTROL speculation.
3863 (schedule_insns): Fixed code that updates register live information
3864 to handle EBBs.
3865 (schedule_region): Fixed to handle EBBs.
3866 (init_regions): Use extend_regions and check_dead_notes1.
3867 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3868 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3869 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3870 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3871 TARGET_SCHED_GEN_CHECK,
3872 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3873 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3874 * doc/invoke.texi (max-sched-insn-conflict-delay,
3875 sched-spec-prob-cutoff): Document.
3877 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3879 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3880 inter_tick, queue_index.
3881 (struct sched_info): Change signature of init_ready_list field.
3882 Adjust all initializations.
3883 (RESOLVED_DEPS): New access macro.
3884 (ready_add): Remove prototype.
3885 (try_ready): Add prototype.
3886 * sched-rgn.c (init_ready_list): Use try_ready.
3887 (schedule_region): Initialize
3888 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3889 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3890 (init_ready_list): Use try_ready.
3891 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3892 * lists.c (remove_list_elem): Remove `static'.
3893 (remove_free_INSN_LIST_elem): New function.
3894 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3895 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3896 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3897 New constants.
3898 (readyp): New variable.
3899 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3900 change_queue_index, resolve_dep): New static functions.
3901 (try_ready): New function. Adjust callers in sched-rgn.c and
3902 sched-ebb.c to use it instead of ready_add.
3903 (clock_var): Move at the begining of file.
3904 (rank_for_schedule): Fix typo.
3905 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3906 (ready_lastpos): Enforce assertion.
3907 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3908 update all callers.
3909 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3910 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3911 (queue_to_ready): Use free_INSN_LIST_list.
3912 (early_queue_to_ready): Fix typo.
3913 (schedule_block): Init readyp. Move init_ready_list call after the
3914 initialization of clock_var. Fix error in rejecting insn by
3915 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3916 that previously corrected INSN_TICKs. Add code for handling
3917 QUEUE_INDEX.
3918 (set_priorities): Fix typo.
3919 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3920 Clarify comment and code that keeps current_sched_info->next_tail
3921 non-null.
3923 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3925 * sched-rgn.c (extend_rgns): New static function.
3926 (find_rgns): Use it.
3927 (gather_region_statistics, print_region_statistics): New static
3928 functions.
3929 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3930 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3932 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3933 Andrey Belevantsev <abel@ispras.ru>
3935 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3936 * lists.c (unused_deps_list): New variable.
3937 (free_list): Add assertions to verify the proper distinguishing
3938 between INSN_LISTs and DEPS_LISTs.
3939 (find_list_elem, remove_list_elem, remove_list_node): New static
3940 functions.
3941 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3942 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3943 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3944 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3945 an INSN_LIST.
3946 (free_INSN_LIST_node): Likewise.
3947 * modulo-sched.c (current_sched_info): Initialize flags field.
3948 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3949 * rtl.def (DEPS_LIST): Define.
3950 * rtl.h: Declare new functions from lists.c.
3951 * sched-deps.c (spec_dependency_cache): New static variable.
3952 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3953 (add_dependence): Change return type to void. Move the logic to ...
3954 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3955 (delete_all_dependences): Add comment about forward_dependency_cache.
3956 Handle spec_dependency_cache. Handle DEPS_LISTs.
3957 (fixup_sched_groups): Clarify the change of priority of output
3958 and anti dependencies.
3959 (sched_analyze_2): Adjust add_dependence calls to create data
3960 speculative dependence.
3961 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3962 Adjust all callers. Handle DEPS_LISTS.
3963 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3964 presence of speculation.
3965 (init_dependency_caches, free_dependency_caches):
3966 Handle spec_dependency_cache.
3967 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3968 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3969 New static functions.
3970 (add_or_update_back_dep, add_or_update_back_forw_dep,
3971 add_back_forw_dep, delete_back_forw_dep): New functions.
3972 * sched-int.h (ds_t, dw_t): New typedefs.
3973 (struct sched_info): Add new field flags.
3974 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3975 Prototype new sched-deps.c functions.
3976 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3977 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3978 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3979 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3980 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3981 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3982 New constants.
3983 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3984 New enums.
3985 * sched-rgn.c (current_sched_info): Initialize flags field.
3986 (schedule_insns): Initialize current_sched_info before the sched_init
3987 call.
3988 * sched-ebb.c (current_sched_info): Initialize flags field.
3989 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3990 Call add_or_update_back_dep instead of add_dependence.
3991 Create control speculative dependencies.
3992 (schedule_insns): Initialize current_sched_info before the sched_init
3993 call.
3995 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3997 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3998 fs->signal_frame.
3999 (sh_fallback_frame_state): Likewise.
4001 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4003 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4004 Do switch on default_use_cxa_atexit.
4005 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4006 * config/darwin-crt3.o: New.
4007 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4008 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4009 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4010 OS version.
4011 * config/rs6000/t-darwin: Move crt2.o building to here.
4012 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4013 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4014 of __cxa_atexit.
4016 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4018 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4019 from '! xxx' to '!xxx' for coding-style conformance.
4020 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4021 (EXTRA_CONSTRAINT): Likewise.
4022 * config/vax/vax.md (four unnamed insns): Likewise.
4024 2006-03-15 Paul Brook <paul@codesourcery.com>
4026 * config/arm/arm.c (minipool_pad): New.
4027 (add_minipool_forward_ref): Include pool alignment padding in address
4028 calculation.
4029 (push_minipool_fix): Set minipool_pad.
4030 (minipool_pad): Ditto.
4032 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4034 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4035 instead of GET_CODE() == MEM and REG_P() instead of
4036 GET_CODE() == REG.
4037 (print_operand_address): Likewise.
4038 (vax_address_cost): Likewise.
4039 (vax_rtx_costs): Likewise.
4040 (vax_notice_update_cc): Likewise.
4041 (vax_output_int_add): Likewise.
4042 (INDEX_REGISTER_P): Likewise.
4043 (BASE_REGISTER_P): Likewise.
4044 (nonindexed_address_p): Likewise.
4045 (vax_mode_dependent_address_p): Likewise.
4046 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4047 (PRINT_OPERAND): Likewise.
4048 * config/vax/vax.md (ashlsi3): Likewise.
4049 (ashlsi3): Likewise.
4050 (some more unnamed insns): Likewise.
4052 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4054 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4055 iterator-style macro.
4056 (mark_control_dependent_edges_necessary): Update the use of
4057 EXECUTE_IF_CONTROL_DEPENDENT.
4059 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4061 * config/sh/predicates.md (cache_address_operand): Special.
4062 (ua_address_operand): Likewise.
4064 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4066 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4067 loop notes.
4068 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4070 2006-03-15 Andreas Schwab <schwab@suse.de>
4072 * gensupport.c (identify_predicable_attribute): Don't free p_false
4073 when it is still in use.
4075 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4077 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4078 the default setting here.
4080 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4082 * tree-pass.h (pass_cfg): Remove.
4083 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4084 * passes.c (pass_cfg): Don't run it.
4086 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4088 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4089 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4090 VEC(char,heap) *.
4091 (stack_regs_mentioned): Update the uses of
4092 stack_regs_mentioned_data. Don't access the array beyond its
4093 end.
4094 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4095 Don't include gt-reg-stack.h.
4097 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4098 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4100 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4102 PR middle-end/26684
4103 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4104 STACK_REGS.
4106 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4108 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4110 2006-03-14 Richard Guenther <rguenther@suse.de>
4112 PR tree-optimization/26672
4113 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4114 SSA form.
4116 2006-03-14 Richard Guenther <rguenther@suse.de>
4118 PR tree-optimization/26667
4119 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4120 node for the callees. Always allow inlining if it will shrink
4121 the function size.
4123 2006-03-14 Richard Guenther <rguenther@suse.de>
4125 PR middle-end/26659
4126 * builtins.c (get_pointer_alignment): Prefer alignment
4127 information from decls over that from types.
4129 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4131 PR target/26657
4132 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4134 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4136 * config/rs6000/rs6000.opt (mdlmzb): New option.
4137 (msched-prolog, msched-epilog): Use Var not Mask.
4138 * doc/invoke.texi (-mdlmzb): Document.
4139 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4140 MASK_SCHED_PROLOG.
4141 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4142 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4144 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4146 PR rtl-optimization/25739
4147 * bt-load.c (augment_live_range): Free tos pointer.
4149 * gensupport.c (identify_predicable_attribute): Free
4150 p_false pointer.
4151 * gcov.c (create_file_names): Free name pointer.
4153 2006-03-13 Roger Sayle <roger@eyesopen.com>
4155 PR middle-end/26557
4156 * stmt.c (emit_case_nodes): Handle the case where the index is a
4157 CONST_INT, where the comparison mode is specified by the index type.
4159 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4161 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4162 is defined.
4164 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4166 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4167 (*branch_fp_inverted): Likewise.
4169 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4171 PR middle-end/25989
4172 * omp-low.c (expand_omp_for_generic): Mark istart0
4173 and iend0 as addressable.
4175 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4177 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4179 2006-03-13 Jeff Law <law@redhat.com>
4181 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4182 virtual operands are interesting.
4183 (vrp_visit_stmt): Corresponding changes.
4185 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4187 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
4188 of RETS.
4189 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
4190 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
4191 * config/bfin/crti.S: Use it instead of __PIC__.
4192 * config/bfin/crtn.S: Likewise.
4194 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
4195 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
4196 not if flag_pic.
4197 Lose 'G' modifier for call operand.
4198 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
4199 recognize 'G' modifier.
4201 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4203 PR middle-end/18859
4204 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
4205 * stmt.c (expand_case): Likewise.
4207 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4209 PR rtl-optimization/26254
4210 * loop-invariant.c (seq_insns_valid_p): New function.
4211 (move_invariant_reg): Only emit new code if it is valid.
4213 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4215 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
4216 Removed.
4217 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
4218 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
4219 (commit_one_edge_insertion): Do not look for loop notes.
4221 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4223 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4224 flag_test_coverage out of loop.
4226 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4228 * final.c (shorten_branches): Remove outdated comment, and turn
4229 the if branch that guards it to continue.
4231 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4233 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4234 * cfgloop.h (struct loop): Remove unused fields.
4236 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
4238 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4239 (-dL, -fdump-rtl-loop2): Update the dump file names
4241 * doc/invoke.texi: Update dump file names.
4243 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
4245 * predict.c (estimate_probability): Remove.
4246 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
4247 * basic-block.h (estimate_probability): Remove prototype.
4248 * passes.c (finish_optimization_passes): Dump branch prediction or
4249 profiling heuristics to the .profile tree dump.
4250 (init_optimization_passes): Unqueue pass_branch_prob.
4252 * doc/invoke.texi (-fdump-rtl-bp): Remove.
4254 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4256 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
4257 * rtl.h (LABEL_NEXTREF): Remove field accessor.
4259 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
4261 * function.h (frame_offset_overflow): Declare.
4262 * function.c (frame_offset_overflow): New function.
4263 (assign_stack_local_1): Call it to detect that the offset overflows.
4264 * cfgexpand.c (alloc_stack_frame_space): Likewise.
4266 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4268 * config/sh/sh.c: Include alloc-pool.h.
4269 (label_ref_list_pool): New alloc pool.
4270 (label_ref_list_t): New type for lists of labels.
4271 (struct pool_node): Make wend a label_ref_list_t.
4272 (add_constant): Use the new type, eradicate LABEL_NEXTREF
4273 references.
4274 (dump_table): Likewise.
4275 (sh_reorg): Set up the alloc pool before using add_constant and
4276 dump_table, and destroy it when finishing.
4278 2006-03-11 Richard Sandiford <richard@codesourcery.com>
4280 * config/mips/mips.c: Remove redundant comment.
4282 2006-03-10 Jason Merrill <jason@redhat.com>
4284 PR c/26004
4285 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
4286 the target was declared 'register'.
4288 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4290 * genpreds.c (write_insn_constraint_len): Change definition of
4291 insn_constraint_len to return size_t to match the declaration.
4293 2006-03-10 DJ Delorie <dj@redhat.com>
4295 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4296 start at zero.
4297 (m32c_expand_insv): Fix test for an AND mask.
4299 2006-03-10 Richard Guenther <rguenther@suse.de>
4301 PR middle-end/26565
4302 * builtins.c (get_pointer_alignment): Handle component
4303 references for field alignment.
4305 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4307 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4308 when building with libgloss.
4309 (sh*elf): Implement --without-fp option.
4310 (sh64-superh-linux*): Don't multilib.
4312 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4314 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
4316 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
4318 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
4319 Set it when one of the replacement functions returned true.
4320 Return TODO_cleanup_cfg if cfgchanged is true.
4321 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
4323 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
4325 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4326 instead of gen_lowpart.
4328 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4330 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
4331 interface.
4332 (mips_output_order_conditional_branch): Declare.
4333 * config/mips/mips.h (MIPS_BRANCH): New macro.
4334 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
4335 for the comparison. Use gen_condjump.
4336 (mips_output_conditional_branch): Rework interface to take the
4337 asm templates for a direct branch and the inverse of a direct branch.
4338 (mips_output_order_conditional_branch): New function.
4339 (mips_builtin_branch_and_move): New function.
4340 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4341 branch condition. Use gen_single_cc as the condition for
4342 __builtin_mips_upper_* or __builtin_mips_lower_*.
4343 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4344 Use VOIDmode for the branch condition.
4345 * config/mips/predicates.md (order_operator): New predicate.
4346 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4347 (branch_fp): Rename to...
4348 (*branch_fp): ...this. Remove mode from comparison operator.
4349 Use new mips_output_conditional_branch interface.
4350 (branch_fp_inverted): Rename to...
4351 (*branch_fp_inverted): ...this and update as for *branch_fp.
4352 (*branch_zero<mode>): Rename to...
4353 (*branch_order<mode>): ...this. Remove mode from comparison operator.
4354 Use mips_output_order_conditional_branch. Only accept ordered
4355 comparisons.
4356 (*branch_zero<mode>_inverted): Rename to...
4357 (*branch_order<mode>_inverted): ...this and update as for
4358 *branch_order<mode>.
4359 (*branch_equality<mode>): Accept zero as the second operand to
4360 the equality operator. Use the new mips_output_conditional_branch
4361 interface.
4362 (*branch_equality<mode>_inverted): Likewise.
4363 (condjump): New expander.
4364 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
4365 operator.
4366 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
4367 (bc1any2t, bc1any2f): Likewise.
4368 (single_cc): New expander.
4369 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
4371 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4373 * doc/md.texi: Update documentation of MIPS constraints.
4374 * config/mips/constraints.md: New file.
4375 * config/mips/mips.md: Include it.
4376 * config/mips/mips.c (mips_char_to_class): Delete.
4377 (override_options): Don't initialize mips_char_to_class.
4378 * config/mips/mips.h (mips_char_to_class): Delete.
4379 (REG_CLASS_FROM_LETTER): Delete.
4380 (CONST_OK_FOR_LETTER_P): Delete.
4381 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4382 (EXTRA_CONSTRAINT_Y): Delete.
4383 (EXTRA_CONSTRAINT_STR): Delete.
4384 (CONSTRAINT_LEN): Delete.
4385 (EXTRA_MEMORY_CONSTRAINT): Delete.
4387 2006-03-09 Diego Novillo <dnovillo@redhat.com>
4389 * tree-cfg.c (move_block_to_fn): Remove the statements from the
4390 original fn's eh regions.
4392 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
4394 * fold-const.c (build_range_check): Make sure to use a valid type to
4395 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
4396 transformation.
4398 (range_predecessor): New static function.
4399 (range_successor): Likewise.
4400 (merge_ranges): Use them to compute predecessors and successors of
4401 range bounds.
4403 2006-03-09 Roger Sayle <roger@eyesopen.com>
4405 PR middle-end/26561
4406 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
4407 X op C3, consider whether C3 overflows towards +Inf or -Inf.
4409 2006-03-08 DJ Delorie <dj@redhat.com>
4411 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
4412 (addpsi3): Expand to include memory operands. Remove
4413 reload-specific splits.
4414 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
4415 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
4416 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
4417 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
4418 (shift1_qi, shift1_hi, insv): New.
4419 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
4420 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
4421 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
4422 cond_to_int): New.
4423 * config/m32c/m32c-protos.h: Update as needed.
4424 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
4425 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
4426 Fail for unrecognized R* constraints.
4427 (m32c_cannot_change_mode_class): Be more picky about pseudos.
4428 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
4429 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
4430 Add Sp constraint.
4431 (m32c_init_libfuncs): New.
4432 (m32c_legitimate_address_p): Add debug wrapper.
4433 (m32c_rtx_costs): New.
4434 (m32c_address_cost): New.
4435 (conversions): Add 'B' prefix.
4436 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
4437 operands, or word regnames for QI operands. 'B' prints bit
4438 position.
4439 (m32c_expand_setmemhi): New.
4440 (m32c_expand_movmemhi): New.
4441 (m32c_expand_movstr): New.
4442 (m32c_expand_cmpstr): New.
4443 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
4444 (m32c_expand_neg_mulpsi3): Handle non-ints.
4445 (m32c_cmp_flg_0): New.
4446 (m32c_expand_movcc): New.
4447 (m32c_expand_insv): New.
4448 (m32c_scc_pattern): New.
4449 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4450 a0/a1 out of SIregs.
4451 (STORE_FLAG_VALUE): New.
4452 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
4453 code macros.
4454 (no_insn): New.
4455 * config/m32c/mov.md: Make constraints more liberal.
4456 (zero_extendqihi2): Optimize r0/r1 case.
4457 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
4458 * config/m32c/predicates.md (m32c_any_operand): New.
4459 (m32c_nonimmediate_operand): New.
4460 (m32c_hl_operand): New.
4461 (m32c_r3_operand): New.
4462 (ap_operand): New.
4463 (ma_operand): New.
4464 (memsym_operand): New.
4465 (memimmed_operand): New.
4466 (a_qi_operand): New.
4467 (m32c_eqne_operator): New.
4468 (m32c_1bit8_operand): New.
4469 (m32c_1bit16_operand): New.
4470 (m32c_1mask8_operand): New.
4471 (m32c_1mask16_operand): New.
4472 * config/m32c/blkmov.md: New file.
4473 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4475 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4477 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4478 unsigned to fix signed/unsigned comparison issue in
4479 DWARF2_FRAME_REG_OUT.
4480 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4481 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4483 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4484 of ptr into the ENABLE_CHECKING section.
4486 2006-03-08 Jeff Law <law@redhat.com>
4488 * tree-vrp.c (infer_value_range): Only count pointer uses
4489 and dereferences if -fdelete-null-pointer-checks is enabled.
4491 * tree-vrp.c (find_assert_locations): Infer value ranges for
4492 single use pointers, but do not create ASSERT_EXPRs for them.
4493 When a non-null range is inferred for a pointer, backwards
4494 propagate that range to other equivalent pointers through the
4495 use-def chain.
4497 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4499 PR bootstrap/26500
4500 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4501 language hook targets.
4502 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4503 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4504 if language hook targets were missing.
4506 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4508 * tree-ssa-opfinalize.h: Removed.
4509 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4510 dependency.
4511 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4512 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4513 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4514 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4515 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4516 finalize_ssa_v_must_def_ops): New.
4518 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4520 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4521 block as parameter.
4523 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4525 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4527 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4528 addresses with offsets; reorganize.
4530 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4531 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4532 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4534 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4536 PR target/26588
4537 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4539 2006-03-08 Ben Elliston <bje@au.ibm.com>
4541 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4543 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4545 PR gomp/26238
4546 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4547 expansion.
4549 2006-03-07 Richard Guenther <rguenther@suse.de>
4551 PR tree-optimization/26587
4552 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4554 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4556 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4558 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4560 * hooks.c (hook_bool_mode_rtx_true): New function.
4561 * hooks.h (hook_bool_mode_rtx_true): Declare.
4562 * toplev.c (compile_file): Call output_shared_constant_pool.
4563 * varasm.c (shared_constant_pool): New variable.
4564 (assemble_start_function, assemble_end_function): Remove arguments
4565 from call to output_constant_pool.
4566 (create_constant_pool): New function, split out from...
4567 (init_varasm_status): ...here.
4568 (force_const_mem): Choose between the shared and per-function constant
4569 pools. Set current_function_uses_const_pool when reusing old entries
4570 as well as when creating new ones.
4571 (mark_constant): Ignore data argument.
4572 (mark_constants): Remove pool argument.
4573 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4574 to decide whether the function uses a constant pool.
4575 (output_constant_pool_contents): New function, split out from...
4576 (output_constant_pool): ...here.
4577 (output_shared_constant_pool): New function.
4578 (init_varasm_once): Initialize shared_constant_pool.
4579 * output.h (output_constant_pool): Delete.
4580 (output_shared_constant_pool): Declare.
4581 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4582 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4584 2006-03-06 Nick Clifton <nickc@redhat.com>
4586 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4587 flag_strength_reduce.
4589 2006-03-06 Ben Elliston <bje@au.ibm.com>
4591 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4592 x86_64-*-linux* configurations.
4594 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4595 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4597 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4599 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4600 Remove.
4601 * basic-block.h: Remove the extern for
4602 rediscover_loops_after_threading.
4604 * cfgloop.c (cancel_loop): Make it static.
4605 * cfgloop.h: Remove the prototype for cancel_loop.
4607 * flow.c (recompute_reg_usage): Make it static.
4608 * rtl.h: Remove the prototype for recompute_reg_usage.
4610 * function.c (use_return_register): Make it static.
4611 * function.h: Remove the prototype.
4613 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4615 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4616 Remove.
4617 * recog.h: Remove the prototype for
4618 validate_change_maybe_volatile.
4620 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4622 * rtlanal.c (replace_reg): Remove.
4623 * rtl.h: Remove the prototype for replace_reg.
4625 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4627 * regclass.c (reg_scan_update): Remove.
4628 (reg_scan_mark_refs): Remove the last argument.
4629 * rtl.h: Remove the prototype for reg_scan_update.
4631 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4633 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4634 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4635 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4636 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4637 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4638 loop-invariant.c, omp-low.c, opts.c, passes.c,
4639 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4640 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4641 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4642 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4643 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4644 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4646 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4648 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4649 * dwarf2out.h: Remove the prototype for
4650 dwarf2out_add_library_unit_info.
4652 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4654 * tree.c (add_var_to_bind_expr): Remove.
4655 * tree.h: Remove the prototype for add_var_to_bind_expr.
4657 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4659 * regclass.c (n_non_fixed_regs): Remove.
4660 (init_reg_sets_1, globalize_reg): Remove all uses of
4661 n_non_fixed_regs.
4662 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4664 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4666 * rtlanal.c (insns_safe_to_move_p): Remove.
4667 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4669 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4671 * expmed.c (expand_mult_add): Remove.
4672 * expr.h: Remove the prototype for expand_mult_add.
4674 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4676 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4677 and REG_SAVED_VAL_EXP constants.
4678 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4679 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4680 Handle regs stored by value.
4681 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4682 (execute_cfa_program): Handle DW_CFA_val_offset,
4683 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4684 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4685 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4686 (uw_install_context_1): Handle target regs stored by value.
4688 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4690 * tree-sra.c (tree_sra): Return todoflags;
4691 (generate_one_element): Set TODO_update_smt_usage if needed.
4692 (pass_sra): Remove TODO_update_smt_usage.
4693 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4694 parameter.
4695 (tree_ssa_forward_propagate_single_use_vars): Return
4696 TODO_update_smt_usage if we need to update SMT usage.
4697 (pass_forwprop): Remove TODO_update_smt_usage.
4699 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4701 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4702 (correct_use_link): Remove reference to get_stmt_operands.
4703 (update_stmt_operands): Likewise.
4704 (get_modify_expr_operands): New function factored out of
4705 parse_ssa_operands and get_expr_operands.
4706 Try to create V_MUST_DEFs for LHS by default.
4707 (get_expr_operands) <case MODIFY_EXPR>: Call
4708 get_modify_expr_operands.
4709 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4710 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4711 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4712 get_modify_expr_operands.
4714 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4716 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4717 * tree-flow.h: Remove the prototype for
4718 referenced_var_lookup_if_exists.
4720 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4722 PR rtl-optimization/26345
4723 PR target/19061
4724 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4726 2006-03-03 Roger Sayle <roger@eyesopen.com>
4728 PR tree-optimization/26524
4729 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4730 fold_convert to create a constant of the appropriate type.
4732 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4734 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4735 SYMBOL_REF_IN_BLOCK_P.
4736 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4737 of SYMBOL_FLAG_IN_BLOCK.
4738 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4739 instead of SYMBOL_REF_IN_BLOCK_P.
4740 * explow.c (use_anchored_address): Likewise.
4741 * rtl.c (rtx_size): Likewise.
4742 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4743 instead of SYMBOL_FLAG_IN_BLOCK.
4744 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4745 SYMBOL_REF_IN_BLOCK_P.
4746 (assemble_variable): Likewise.
4747 (output_constant_def_contents): Likewise.
4748 (output_constant_pool): Likewise.
4749 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4750 instead of SYMBOL_FLAG_IN_BLOCK.
4751 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4752 SYMBOL_REF_IN_BLOCK_P.
4753 (SYMBOL_REF_BLOCK): Likewise.
4754 (SYMBOL_REF_OFFSET): Likewise.
4755 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4756 SYMBOL_REF_IN_BLOCK_P.
4757 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4758 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4759 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4760 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4762 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4764 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4766 2006-03-02 Roger Sayle <roger@eyesopen.com>
4768 * simplify-rtx.c (simplify_unary_operation): When simplifying
4769 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4770 that we perform the right shift in the appropriate mode, and
4771 then extend or truncate the result to requested mode.
4773 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4775 * gengtype.c (main): Handle double_int type.
4776 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4777 * double-int.c: New file.
4778 * double-int.h: New file.
4779 * system.h: Include doubleint.h.
4780 * Makefile.in (SYSTEM_H): Include double-int.h.
4781 (double-int.o): Add.
4783 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4785 PR bootstrap/26478
4786 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4787 copying over it.
4789 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4791 * tree-vrp.c (remove_range_assertions): Do not update statements
4792 unnecessarily.
4794 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4796 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4797 cleanup.
4798 * gcse.c (rest_of_handle_gcse): Ditto.
4799 * except.c (gate_handle_eh): Ditto.
4800 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4801 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4803 2006-03-02 Eric Christopher <echristo@apple.com>
4805 * config/i386/i386.c (machopic_output_stub): Add indirection to
4806 jump.
4808 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4810 * loop.c: Removed.
4812 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4814 Sun Niagara specific optimizations.
4815 * config.gcc: Recognize niagara as target.
4816 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4817 (TARGET_CPU_niagara): Define.
4818 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4819 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4820 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4821 (ASM_CPU_SPEC): Likewise.
4822 (PROCESSOR_NIAGARA): New enum entry.
4823 (REGISTER_MOVE_COST): Handle Niagara.
4824 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4825 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4826 (sparc_override_options): Recognize "niagara", set appropriate
4827 default MASK_* values for it, and align functions to 32-bytes
4828 by default just like ULTRASPARC/ULTRASPARC3.
4829 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4830 (sparc64_initialize_trampoline): Likewise.
4831 (sparc_use_sched_lookahead): Use zero for niagara.
4832 (sparc_issue_rate): Use one for niagara.
4833 * config/sparc/niagara.md: New file.
4834 * config/sparc/sparc.md: Include it.
4835 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4836 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4837 when default cpu is niagara.
4838 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4839 (ASM_CPU_SPEC): Likewise.
4840 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4841 when default cpu is niagara.
4842 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4843 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4844 just like v9/ultrasparc/ultrasparc3.
4845 * doc/invoke.texi: Add documentation for "niagara" and improve
4846 existing documentation for ultrasparc variants.
4848 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4850 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4852 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4854 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4855 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4856 and say that only one is needed.
4857 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4858 * target.h (have_switchable_bss_sections): New hook.
4859 * explow.c (use_anchored_address): Check that the symbol is in a block.
4860 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4861 (bss_noswitch_section): New variables.
4862 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4863 (get_noswitch_section): New function.
4864 (get_block_for_section): Allow SECT to be null.
4865 (unlikely_text_section_p): Use SECTION_STYLE.
4866 (bss_initializer_p): New function.
4867 (get_variable_section): Move earlier in file. Take a new argument,
4868 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4869 Return one of the new *_sections in such cases.
4870 (get_block_for_decl): New function, extracting some logic from
4871 use_blocks_for_decl_p.
4872 (change_symbol_section): Remove in favor of...
4873 (change_symbol_block): ...this new function.
4874 (use_blocks_for_decl_p): Remove checks now performed by
4875 get_block_for_decl.
4876 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4877 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4878 (emit_local, emit_bss, emit_common): ...these new functions.
4879 Return true if the alignment was honored.
4880 (emit_tls_common): New function.
4881 (asm_emit_uninitialised): Delete.
4882 (assemble_variable_noswitch): New function, split out from...
4883 (assemble_variable): ...here. Don't make decisions about common
4884 variables here. Globalize all public decls that go into non-common
4885 sections. Check whether SYMBOL_REF_BLOCK is null.
4886 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4887 (output_constant_pool): Likewise.
4888 (init_varasm_once): Initialize the new section variables.
4889 (have_global_bss_p): New function.
4890 (categorize_decl_for_section): Use bss_initializer_p.
4891 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4892 (place_block_symbol): Assert that the symbol must be in a block.
4893 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4894 (TARGET_INITIALIZER): Include it.
4895 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4896 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4897 (SECTION_MACH_DEP): Bump by two.
4898 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4899 (unnamed_section): Mention SECTION_UNNAMED in comment.
4900 (named_section): Likewise SECTION_NAMED.
4901 (noswitch_section_callback): New type.
4902 (noswitch_section): New structure.
4903 (section): Add a noswitch_section alternative.
4904 (SECTION_STYLE): New macro.
4905 (tls_comm_section, comm_section, lcomm_section): Declare.
4906 (bss_noswitch_section, have_global_bss_p): Declare.
4907 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4908 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4909 Override.
4910 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4911 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4912 Override.
4914 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4916 * tree-vrp.c (execute_vrp): Return value.
4917 * regrename.c (rest_of_handle_regrename): Ditto.
4918 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
4919 * tree-complex.c (tree_lower_complex): Ditto.
4920 (tree_lower_complex_O0): Ditto.
4921 * tracer.c (rest_of_handle_tracer): Ditto.
4922 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4923 * postreload.c (rest_of_handle_postreload): Ditto.
4924 * tree-tailcall.c (execute_tail_recursion): Ditto.
4925 (execute_tail_calls): Ditto.
4926 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4927 * tree.h (init_function_for_compilation): Ditto.
4928 * ipa-cp.c (ipcp_driver): Ditto.
4929 * tree-scalar-evolution.c (scev_const_prop): Ditto.
4930 * tree-scalar-evolution.h (scev_const_prop): Ditto.
4931 * final.c (compute_alignments): Ditto.
4932 (rest_of_handle_final): Ditto.
4933 (rest_of_handle_shorten_branches): Ditto.
4934 (rest_of_clean_state): Ditto.
4935 * omp-low.c (execute_expand_omp): Ditto.
4936 (execute_lower_omp): Ditto.
4937 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
4938 * ipa-reference.c (static_execute): Ditto.
4939 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4940 * reorg.c (rest_of_handle_delay_slots): Ditto.
4941 (rest_of_handle_machine_reorg): Ditto.
4942 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
4943 * flow.c (recompute_reg_usage): Ditto.
4944 (rest_of_handle_remove_death_notes): Ditto.
4945 (rest_of_handle_life): Ditto.
4946 (rest_of_handle_flow2): Ditto.
4947 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4948 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4949 (do_ssa_store_ccp): Ditto.
4950 (execute_fold_all_builtins): Ditto.
4951 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
4952 * modulo-sched.c (rest_of_handle_sms): Ditto.
4953 * ipa-pure-const.c (static_execute): Ditto.
4954 * cse.c (rest_of_handle_cse): Ditto.
4955 (rest_of_handle_cse2): Ditto.
4956 * web.c (rest_of_handle_web): Ditto.
4957 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
4958 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4959 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4960 * tree-nrv.c (tree_nrv): Ditto.
4961 (execute_return_slot_opt): Ditto.
4962 * tree-ssa-alias.c (compute_may_aliases): Ditto.
4963 (create_structure_vars): Ditto.
4964 * loop-init.c (rtl_loop_init): Ditto.
4965 (rtl_loop_done): Ditto.
4966 (rtl_move_loop_invariants): Ditto.
4967 (rtl_unswitch): Ditto.
4968 (rtl_unroll_and_peel_loops): Ditto.
4969 (rtl_doloop): Ditto.
4970 * gimple-low.c (lower_function_body): Ditto.
4971 (mark_used_blocks): Ditto.
4972 * tree-ssa-sink.c (execute_sink_code): Ditto.
4973 * ipa-inline.c (cgraph_decide_inlining): Ditto.
4974 (cgraph_early_inlining): Ditto.
4975 * global.c (rest_of_handle_global_alloc): Ditto.
4976 * jump.c (cleanup_barriers): Ditto.
4977 (purge_line_number_notes): Ditto.
4978 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
4979 (rest_of_handle_if_after_reload): Ditto.
4980 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4981 (tree_ssa_loop_im): Ditto.
4982 (tree_ssa_loop_unswitch): Ditto.
4983 (tree_vectorize): Ditto.
4984 (tree_linear_transform): Ditto.
4985 (tree_ssa_loop_ivcanon): Ditto.
4986 (tree_ssa_empty_loop): Ditto.
4987 (tree_ssa_loop_bounds): Ditto.
4988 (tree_complete_unroll): Ditto.
4989 (tree_ssa_loop_prefetch): Ditto.
4990 (tree_ssa_loop_ivopts): Ditto.
4991 (tree_ssa_loop_done): Ditto.
4992 * predict.c (tree_estimate_probability): Ditto.
4993 * recog.c (split_all_insns_noflow): Ditto.
4994 (rest_of_handle_peephole2): Ditto.
4995 (rest_of_handle_split_all_insns): Ditto.
4996 * tree-eh.c (lower_eh_constructs): Ditto.
4997 * regmove.c (rest_of_handle_regmove): Ditto.
4998 (rest_of_handle_stack_adjustments): Ditto.
4999 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5000 * function.c (instantiate_virtual_regs): Ditto.
5001 (init_function_for_compilation): Ditto.
5002 (rest_of_handle_check_leaf_regs): Ditto.
5003 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5004 (rest_of_handle_gcse): Ditto.
5005 * ipa-type-escape.c (type_escape_execute): Ditto.
5006 * alias.c (rest_of_handle_cfg): Ditto.
5007 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5008 * profile.c (rest_of_handle_branch_prob): Ditto.
5009 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5010 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5011 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5012 * tree-dfa.c (find_referenced_vars): Ditto.
5013 * except.c (set_nothrow_function_flags): Ditto.
5014 (convert_to_eh_region_ranges): Ditto.
5015 (rest_of_handle_eh): Ditto.
5016 * emit-rtl.c (unshare_all_rtl): Ditto.
5017 (remove_unnecessary_notes): Ditto.
5018 * except.h (set_nothrow_function_flags): Ditto.
5019 (convert_to_eh_region_ranges): Ditto.
5020 * cfgexpand.c (tree_expand_cfg): Ditto.
5021 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5022 * tree-ssa-pre.c (do_pre): Ditto.
5023 (execute_fre): Ditto.
5024 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5025 (rest_of_handle_jump2): Ditto.
5026 * tree-sra.c (tree_sra): Ditto.
5027 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5028 (execute_mudflap_function_decls): Ditto.
5029 * tree-ssa-copy.c (do_copy_prop): Ditto.
5030 (do_store_copy_prop): Ditto.
5031 * ipa-prop.h (ipcp_driver): Ditto.
5032 * cfglayout.c (insn_locators_initialize): Ditto.
5033 * tree-ssa-forwprop.c
5034 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5035 * cfglayout.h (insn_locators_initialize): Ditto.
5036 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5037 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5038 (execute_late_warn_uninitialized): Ditto.
5039 * rtl.h (cleanup_barriers): Ditto.
5040 (split_all_insns_noflow): Ditto.
5041 (purge_line_number_notes): Ditto.
5042 (unshare_all_rtl): Ditto.
5043 (remove_unnecessary_notes): Ditto.
5044 (recompute_reg_usage): Ditto.
5045 (variable_tracking_main): Ditto.
5046 * integrate.c (emit_initial_value_sets): Ditto.
5047 * integrate.h (emit_initial_value_sets): Ditto.
5048 * tree-optimize.c (execute_free_datastructures): Ditto
5049 (execute_free_cfg_annotations): Ditto.
5050 (execute_fixup_cfg): Ditto.
5051 (execute_cleanup_cfg_pre_ipa): Ditto.
5052 (execute_cleanup_cfg_post_optimizing): Ditto.
5053 (execute_init_datastructures): Ditto.
5054 * tree-object-size.c (compute_object_sizes): Ditto.
5055 * combine.c (rest_of_handle_combine): Ditto.
5056 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5057 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5058 (rest_of_handle_reorder_blocks): Ditto.
5059 (rest_of_handle_partition_blocks): Ditto.
5060 * var-tracking.c (variable_tracking_main): Ditto.
5061 * tree-profile.c (tree_profiling): Ditto.
5062 * tree-vect-generic.c (expand_vector_operations): Ditto.
5063 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5064 * sched-rgn.c (rest_of_handle_sched): Ditto.
5065 (rest_of_handle_sched2): Ditto.
5066 * basic-block.h (free_bb_insn): Ditto.
5067 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5068 * tree-cfg.c (execute_build_cfg): Ditto.
5069 (remove_useless_stmts): Ditto.
5070 (split_critical_edges): Ditto.
5071 (execute_warn_function_return): Ditto.
5072 (execute_warn_function_noreturn): Ditto.
5073 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5074 * cfgrtl.c (free_bb_for_insn): Ditto.
5075 * passes.c (execute_one_pass): Run additional
5076 todos returned by execute function.
5077 * tree-pass.h (struct tree_opt_pass): Make execute
5078 return a value.
5080 2006-03-02 Richard Guenther <rguenther@suse.de>
5082 * tree-ssa-alias.c (find_used_portions): Consider taking
5083 the address as making the variable not write-only.
5085 2006-03-02 Nick Clifton <nickc@redhat.com>
5087 * config.gcc (default_use_cxa_atexit): Extend the description of
5088 this configure variable. Set its default value to "yes" for
5089 Linux, NetBSD and ELF targets on the assumption that they will
5090 use C libraries with the __cxa_atexit function.
5092 2006-03-02 Ben Elliston <bje@au.ibm.com>
5094 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5095 parameter as unused to suppress a build warning.
5097 2006-03-02 Ben Elliston <bje@au.ibm.com>
5099 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5100 config/dfp-bit.c.
5102 2006-03-01 Roger Sayle <roger@eyesopen.com>
5104 PR other/26489
5105 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5106 declared name, the weak reference name, and the typeof name.
5107 (__gthrw): Avoid expanding the declared name suffix.
5108 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5110 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5112 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5113 from DWARF 3.
5114 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5115 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5116 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5117 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5118 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5119 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5120 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5121 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5122 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5123 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5124 (DW_END_default, DW_END_big, DW_END_little): New.
5125 (DW_END_lo_user, DW_END_hi_user): Define.
5126 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5127 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5128 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5129 DW_LANG_D): New.
5131 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5133 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5134 Update all users.
5135 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5136 Update all users.
5137 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5138 Update all users.
5139 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5140 Update all users.
5141 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5142 to 'symbol_mem_tag'.
5143 Update all users.
5144 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5145 rename.
5147 2006-03-01 Roger Sayle <roger@eyesopen.com>
5149 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5151 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5153 PR target/25761
5154 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5155 MACHO_DYNAMIC_NO_PIC_P.
5156 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5158 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5160 PR target/26389
5161 * config/darwin-protos.h (darwin_asm_output_anchor):
5162 Declare.
5163 * config/darwin-sections.def (cstring_section):
5164 Add SECTION_MERGE to the flags.
5165 (literal4_section): Likewise.
5166 (literal8_section): Likewise.
5167 (objc_selector_refs_section): Likewise.
5168 (objc_cls_refs_section): Likewise.
5169 * config/darwin.c (darwin_asm_output_anchor): New
5170 function.
5171 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5173 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5175 Fix PR tree-optimization/26443
5176 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5177 to todo and PROP_tmt_usage to properties_destroyed.
5178 * tree-ssa-ccp.c (pass_ccp): Ditto.
5179 (pass_store_ccp): Ditto.
5180 * tree-ssa-dom.c (pass_dominator): Ditto.
5182 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5184 * tree-ssa-operands.c: Cleanup whitespace.
5185 (get_asm_expr_operands): Move before first invocation.
5186 (get_indirect_ref_operands): Likewise.
5187 (get_tmr_operands): Likewise.
5188 (get_call_expr_operands): Likewise.
5189 (append_def): Likewise.
5190 (append_use): Likewise.
5191 (append_v_may_def): Likewise.
5192 (append_v_must_def): Likewise.
5193 (add_call_clobber_ops): Likewise.
5194 (add_call_read_ops): Likewise.
5195 (add_stmt_operand): Likewise.
5196 (add_virtual_operand): Likewise.
5197 (build_ssa_operands): Likewise.
5199 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5201 PR middle-end/26022
5202 Revert:
5203 PR middle-end/24437
5204 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5205 with a call expr to ...
5206 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5208 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5210 * tree-vrp.c (extract_range_from_assert): Remove special
5211 handling for types with super-types.
5213 2006-03-01 Ben Elliston <bje@au.ibm.com>
5215 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
5216 and powerpc64-*-linux* configurations.
5217 * config/t-dfprules: New file.
5219 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
5220 Compile dfp-bit.c from the source directory using -DWIDTH and
5221 $DFP_CFLAGS to control the compilation of that file, rather than
5222 generating width-specific versions in the build directory.
5223 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
5224 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
5226 2006-02-28 Zack Weinberg <zackw@panix.com>
5228 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5229 continues to work.
5231 2006-02-28 Eric Christopher <echristo@apple.com>
5233 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5234 Set up IN_LIBGCC definition of TARGET_64BIT.
5235 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
5237 2006-02-28 Roger Sayle <roger@eyesopen.com>
5239 PR middle-end/14752
5240 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
5241 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
5242 cases via the construction of "expr != 0".
5244 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5246 * alias.c (alias_invariant, alias_invariant_size): Remove.
5247 (record_base_value): Remove.
5248 (memrefs_conflict_p): Don't look at alias_invariant.
5249 (end_alias_analysis): Don't free it.
5250 * alias.h (record_base_value): Remove prototype.
5252 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
5253 Adam Nemet <anemet@caviumnetworks.com>
5255 * rtl.h (truncated_to_mode): Declare it.
5256 (struct rtl_hooks): Add reg_truncated_to_mode hook.
5257 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
5258 (RTL_HOOKS_INITIALIZER): Include it.
5259 * rtlhooks.c (reg_truncated_to_mode_general): New function.
5260 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
5261 reg_truncated_to_mode.
5262 * rtlanal.c (truncated_to_mode): Define it.
5263 * simplify-rtx.c (simplify_unary_operation_1): Use it.
5265 2006-02-28 Jeff Law <law@redhat.com>
5267 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
5268 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
5269 the range allowed by TYPE_PRECISION.
5271 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
5273 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
5275 PR tree-optimization/26419
5276 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
5277 values of n.
5279 2006-02-27 Zack Weinberg <zackw@panix.com>
5281 * doc/md.texi: Fix typo in previous change.
5283 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5285 * df.c: Remove.
5287 2006-02-27 Zack Weinberg <zackw@panix.com>
5289 * rtl.def (define_constraint, define_register_constraint)
5290 (define_memory_constraint, define_address_constraint): New MD forms.
5291 * gensupport.c (process_rtx): Put define_constraint etc on the
5292 predicate queue.
5293 * genpreds.c (process_define_predicate): Adjust comment. Validate
5294 the name, and call validate_exp to validate the expression.
5295 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5296 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5297 all callers changed.
5298 (validate_exp, needs_variable, struct constraint_data)
5299 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
5300 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
5301 (const_dbl_constraints, constraint_max_namelen)
5302 (have_register_constraints, have_memory_constraints)
5303 (have_address_constraints, have_address_constraints)
5304 (have_extra_constraints, have_const_int_constraints)
5305 (have_const_dbl_constraints, mangle, add_constraint)
5306 (process_define_constraint, process_define_register_constraint)
5307 (write_enum_constraint_num, write_lookup_constraint)
5308 (write_insn_constraint_len, write_regclass_for_constraint)
5309 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
5310 (write_insn_extra_memory_constraint)
5311 (write_insn_extra_address_constraint)
5312 (write_satisfies_constraint_fns): New.
5313 (write_tm_preds_h): If we have new-style constraint definitions,
5314 prototype the functions generated from them, and define the
5315 old constraint interface (still used by generic code) in terms of
5316 those functions.
5317 (write_insn_preds_c): If we have new-style constraint definitions,
5318 generate all relevant functions from those definitions.
5319 (main): Handle define_constraint etc.
5320 * genoutput.c (struct constraint_data, indep_constraints)
5321 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
5322 (mdep_constraint_len): New data structures and functions, defined
5323 #ifdef USE_MD_CONSTRAINTS.
5324 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
5325 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
5326 use new logic to validate operand constraints against constraint
5327 definitions.
5328 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
5329 defined.
5330 * defaults.h: If none of the old-style constraint macros are
5331 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
5332 old-style macros; and poison REG_CLASS_FROM_LETTER,
5333 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
5334 EXTRA_CONSTRAINT.
5335 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
5336 * doc/md.texi: Document new constraint-definition mechanism and the
5337 C interface it provides. Remove references to old mechanism
5338 elsewhere in the document.
5339 (Machine Constraints): Use pathnames relative to gcc directory,
5340 i.e. config/ARCH/FILE. Change i386 section to refer to
5341 config/i386/predicates.md; update that section to match docstrings.
5342 * doc/tm.texi: Move all documentation of the old constraint-
5343 definition macros to their own section, clearly mark as obsolete.
5345 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
5346 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
5347 definitions.
5348 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
5349 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5350 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
5351 constraint strings.
5352 (splits and peepholes): Use satisfies_constraint_*.
5353 * config/i386/i386.c (memory_address_length)
5354 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
5356 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5358 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
5359 scalar operation to be put back into the loop.
5361 2006-02-27 Jakub Jelinek <jakub@redhat.com>
5363 PR other/26208
5364 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
5365 (extract_cie_info): Handle S flag in augmentation string.
5366 (execute_cfa_program): If context->signal_frame, execute also
5367 fs->pc == context->ra instructions.
5368 (uw_frame_state_for): If context->signal_frame, don't subtract one
5369 from context->ra to find FDE.
5370 (uw_update_context_1): Set context->signal_frame to
5371 fs->signal_frame.
5372 (_Unwind_GetIPInfo): New function.
5373 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
5374 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
5375 of _Unwind_GetIP.
5376 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
5377 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
5378 * unwind-compat.c (_Unwind_GetIPInfo): New function.
5379 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
5380 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
5381 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
5382 * config/i386/linux-unwind.h (x86_fallback_frame_state,
5383 x86_64_fallback_frame_state): Set fs->signal_frame.
5384 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
5385 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
5386 (frob_update_context): Likewise. Workaround missing S flag in
5387 Linux 2.6.12 - 2.6.16 kernel vDSOs.
5388 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
5389 Remove the psw_addr + 1 hack.
5391 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5393 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
5394 with aggregates here.
5395 (find_func_aliases): Remove code for &<aggregate> from here.
5397 2006-02-26 Roger Sayle <roger@eyesopen.com>
5399 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
5400 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
5401 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
5402 as (X & C) ne/eq 0.
5404 2006-02-26 Roger Sayle <roger@eyesopen.com>
5406 PR middle-end/19983
5407 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
5409 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
5411 * opts.c (decode_options): Do not handle flag_strength_reduce.
5412 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
5413 and OPT_fstrength_reduce.
5414 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
5415 flag_prefetch_loop_arrays for being nonzero.
5416 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
5417 no-ops.
5418 (fprefetch-loop-arrays-rtl): Removed.
5419 (flag_prefetch_loop_arrays): Do not specify the value.
5421 * doc/passes.texi: Update documentation of loop optimizer
5422 passes.
5423 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
5424 -frerun-loop-opt): Remove.
5426 2006-02-26 Richard Guenther <rguenther@suse.de>
5428 PR tree-optimization/26421
5429 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
5430 in function calls that are ADDR_EXPRs as using the whole structure.
5432 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
5434 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
5435 * tree-pass.h (pass_loop_optimize): Remove.
5436 * passes.c (pass_loop_optimize): Never run it.
5437 * toplev.c (backend_init): Don't call init_loop.
5438 * opts.c (flag_loop_optimize_set): Remove.
5439 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
5440 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
5441 the old RTL loop optimizer when profiling enabled.
5442 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5443 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
5444 pre-headers for the sake of the old RTL loop optimizer.
5445 * Makefile.in: Remove all references to loop.o.
5447 * doc/invoke.texi: Remove all references to -floop-optimize
5448 and -frerun-loop-opt.
5450 2006-02-26 Zack Weinberg <zackw@panix.com>
5452 * doc/md.texi (Machine Constraints): Refer to all files with paths
5453 relative to gcc directory (i.e. config/CPU/file). Add missing
5454 @table @code ... @end table to M32C subsection.
5456 2006-02-26 Roger Sayle <roger@eyesopen.com>
5458 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5459 (X & 1) == 0.
5460 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
5462 2006-02-26 Roger Sayle <roger@eyesopen.com>
5463 James A. Morrison <phython@gcc.gnu.org>
5465 PR middle-end/21137
5466 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
5467 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
5468 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
5469 signedness of the shift operation.
5471 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5473 PR tree-optimization/26359
5474 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5476 2006-02-25 Roger Sayle <roger@eyesopen.com>
5478 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5479 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5480 as X == 0, and some symmetry related transformations.
5481 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5483 2006-02-25 Roger Sayle <roger@eyesopen.com>
5485 PR middle-end/23673
5486 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5487 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5488 symmetry related transformations. Fold (X^C1) == C2 as
5489 X == (C1^C2).
5491 2006-02-25 Juergen Weigert <jw@suse.de>
5492 Richard Guenther <rguenther@suse.de>
5494 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5496 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5498 * combine.c (gen_lowpart_or_truncate): Call
5499 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5501 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5503 * doc/invoke.texi: Move -fopenmp description to "Options for
5504 Code Generation".
5505 Remove reference to -lgomp.
5507 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5509 * doc/install.texi: Require GNU tar version 1.14.
5511 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5513 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5514 * doc/invoke.texi (C++ Dialect Options): Document
5515 -fno-use-cxa-get-exception-ptr.
5516 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5517 * configure: Regenerate.
5518 * c.opt (fuse-cxa-get-exception-ptr): New.
5519 * c-opts.c (c_common_handle_option): Handle
5520 OPT_fuse_cxa_get_exception_ptr.
5521 * c-common.c (flag_use_cxa_atexit): Update documentation.
5522 (flag_use_cxa_get_exception_ptr): New.
5523 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5524 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5525 documentation.
5526 (C_COMMON_OVERRIDE_OPTIONS): New.
5528 2006-02-24 Roger Sayle <roger@eyesopen.com>
5530 PR middle-end/24952
5531 * combine.c (try_combine): Explicitly check whether GET_CODE is
5532 a SET or a CLOBBER, instead on checking that it isn't a USE.
5534 2006-02-24 Roger Sayle <roger@eyesopen.com>
5536 * fold-const.c (fold_comparison): New subroutine of fold_binary
5537 containing transformations common to both the equality and
5538 ordering relational operators, factored out of fold_binary.
5539 (fold_binary): Separate out the equality operators (EQ_EXPR
5540 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5541 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5542 transformations common to both.
5543 (fold_div_compare): Fix latent bugs in the previously unreachable
5544 LT_EXPR and GE_EXPR cases.
5546 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5548 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5549 decl libname for clog to __clog on AIX.
5551 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5553 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5555 PR target/26453
5556 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5557 output traceback table for thunks. Localise rs6000_stack_info call.
5559 2006-02-23 Roger Sayle <roger@eyesopen.com>
5560 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5562 * gthr-posix.h (__gthrw): Fix typo in comment.
5564 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5566 * doc/cpp.texi (Character sets): Document that we do support
5567 input files to be in any character set.
5569 2006-02-23 Jeff Law <law@redhat.com>
5571 * tree.h (PHI_ARG_NONZERO): Remove.
5572 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5573 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5574 node to the new node.
5576 PR tree-optimization/26425
5577 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5578 min/max, then assume its varying.
5580 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5582 PR rtl-optimization/26316
5583 * rtlanal.c (enum may_trap_p_flags): New.
5584 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5585 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5586 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5587 (may_trap_after_code_motion_p): New function.
5588 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5589 (find_invariant_insn): Use may_trap_after_code_motion_p.
5590 * rtl.h (may_trap_after_code_motion_p): Declare.
5592 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5594 * emit-rtl.c (immed_double_const): Cleanup.
5596 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5598 Fix PR tree-optimization/26376
5599 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5600 remove assert.
5602 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5604 PR middle-end/26412
5605 * gimplify.c (omp_add_variable): Guard variable size decl test with
5606 DECL_SIZE (decl) check.
5608 2006-02-23 Richard Guenther <rguenther@suse.de>
5610 PR middle-end/26439
5611 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5612 like aggregate types.
5614 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5616 * configure.ac: Add --with{,out}-long-double-128 configure option.
5617 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5618 * configure: Rebuilt.
5619 * config.in: Rebuilt.
5620 * doc/install.texi (Options specification): Document
5621 --with-long-double-128.
5623 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5624 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5625 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5626 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5628 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5630 * config/s390/s390.c (override_options): Handle
5631 TARGET_DEFAULT_LONG_DOUBLE_128.
5633 * config/alpha/alpha.c (override_options): Handle
5634 TARGET_DEFAULT_LONG_DOUBLE_128.
5636 * config/sparc/sparc.c (sparc_override_options): Handle
5637 TARGET_DEFAULT_LONG_DOUBLE_128.
5639 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5641 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5642 (real-install-headers-tar, real-install-headers-cpio)
5643 (real-install-headers-cp): New targets.
5645 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5647 * tree.h (variable_section): Delete.
5648 * varasm.c (variable_section): Delete.
5650 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5652 * install.texi: Add notes on install.texi2html.
5653 (Building in parallel): Do not use footnotes.
5655 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5657 PR libgomp/26234
5658 * doc/install.texi (Configuration): Document --disable-libgomp.
5660 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5662 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5664 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5666 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5667 (vec_extractv2df_0_sse): New.
5669 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5671 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5672 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5673 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5674 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5675 to the result of the expression.
5676 (def_cfa_1): Adjust.
5677 (frame_pointer_cfa_offset): Rename to...
5678 (frame_pointer_fb_offset): ... this. Adjust all uses.
5679 (convert_cfa_to_loc_list): Rename to...
5680 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5681 Pass it on to build_cfa_loc.
5682 (compute_frame_pointer_to_cfa_displacement): Rename to...
5683 (compute_frame_pointer_to_fb_displacement): ... this. New
5684 offset parameter. Use it in computation.
5685 (gen_subprogram_die): Compute cfa_fb_offset with the new
5686 macro, and use it to compute the fb loc list and the
5687 displacement.
5689 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5691 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5692 replaced with register_operand.
5693 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5694 non-DREG is expensive.
5695 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5696 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5697 involving memory.
5699 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5701 * doc/install.texi2html: Use set -e.
5703 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5705 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5706 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5707 * doc/invoke.texi (-fshared-data): Delete.
5708 * common.opt (fshared-data): Delete.
5709 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5710 (assemble_static_space): Remove #if 0 code.
5711 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5712 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5713 * config/cris/cris.h: Remove FIXME.
5715 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5717 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5718 hooks.
5720 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5722 PR middle-end/26379
5723 * combine.c (simplify_shift_const_1): Disable nested shifts
5724 optimization for vector shifts.
5726 2006-02-20 Roger Sayle <roger@eyesopen.com>
5728 PR tree-optimization/26361
5729 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5730 of unsigned integer types.
5732 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5734 * tree-chrec.c (eq_evolutions_p): New.
5735 * tree-chrec.h (eq_evolutions_p): Declared.
5736 * tree-data-ref.c: Fix formatting.
5737 (datadep_stats, dependence_stats): New.
5738 (gcd): Moved...
5739 (print_direction_vector): New.
5740 (dump_data_dependence_relation): Use print_direction_vector.
5741 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5742 (compute_subscript_distance): Static.
5743 (initialize_data_dependence_relation): Static. Get the number
5744 of loops surrounding the references from the callers, and initialize
5745 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5746 base_object_differ_p analyzers.
5747 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5748 compute_overlap_steps_for_affine_1_2,
5749 analyze_subscript_affine_affine): Count the classified dependences.
5750 Print a message when a test failed.
5751 (can_use_analyze_subscript_affine_affine): New.
5752 (analyze_siv_subscript): Compute the data dependences on symbolic
5753 scevs that verify can_use_analyze_subscript_affine_affine.
5754 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5755 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5756 Handle symbolic scevs.
5757 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5758 analyzed.
5759 (subscript_dependence_tester): Moved...
5760 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5761 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5762 DDR_SIZE_VECT instead of getting it in parameter.
5763 (subscript_dependence_tester): ... here. Take as a parameter
5764 loop_nest_depth. Call build_classic_dist_vector and
5765 build_classic_dir_vector.
5766 (compute_affine_dependence): Update subscript_dependence_tester
5767 parameters. Update datadep_stats counters. Call
5768 compute_subscript_distance.
5769 (compute_self_dependence): Save the dist and dir vectors. Call
5770 compute_subscript_distance.
5771 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5772 (compute_all_dependences): Reorder parameters as they were before
5773 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5774 compute_subscript_distance. Update the use of
5775 compute_affine_dependence and initialize_data_dependence_relation.
5776 (find_data_references_in_loop): Handle COMPONENT_REF.
5777 (compute_data_dependences_for_loop): Initialize dependence_stats.
5778 Don't call build_classic_dist_vector and build_classic_dir_vector.
5779 Update the parameters of initialize_data_dependence_relation and
5780 compute_all_dependences. Print the statistics from datadep_stats.
5781 (analyze_all_data_dependences): Static. Not used until the pass for
5782 checking the data dependences is contributed.
5783 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5784 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5785 (initialize_data_dependence_relation, compute_affine_dependence,
5786 analyze_all_data_dependences, compute_subscript_distance): Removed.
5787 (print_direction_vector): New.
5788 * lambda.h (gcd): ... here.
5789 (lambda_vector_gcd): Moved here from gcd_vector.
5790 * lambda-code.c (gcd, gcd_vector): Removed.
5791 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5792 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5794 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5796 * ipa-type-escape.c: Tidy some comments and white space.
5797 * tree-ssa-operands.c: Likewise.
5799 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5801 PR tree-opt/25879
5802 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5803 (dump_decl_name): Do not walk the decl tree chains.
5804 * tree-pass.h (TDF_CHAIN): Remove.
5806 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5808 * Makefile.in (C): Remove
5809 (PROTO): Remove
5810 (.PHONY): Remove C and PROTO
5812 2006-02-20 Roger Sayle <roger@eyesopen.com>
5814 PR middle-end/26236
5815 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5816 deprecated CHAR_TYPE tree code.
5818 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5820 * configure.ac (target_list): Add install-info, dvi, html.
5821 * configure: Regenerate.
5823 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5824 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5825 treelang/Make-lang.in: Do not use double-colon rules.
5827 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5829 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5830 (TMT_USED_ALONE): New macro.
5831 * tree-pass.h (PROP_tmt_usage): New property.
5832 (TODO_update_tmt_usage): New todo.
5833 * tree-ssa-alias.c (updating_used_alone): New variable.
5834 (recalculate_used_alone): New function.
5835 (compute_may_aliases): Set updating_used_alone, call
5836 recalculate_used_alone.
5837 * tree-sra.c (pass_sra): Note that this pass destroys
5838 PROP_tmt_usage, and add TODO_update_tmt_usage.
5839 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5840 * tree-flow.h (updating_used_alone): Prototype.
5841 (recalculate_used_alone): Ditto.
5842 * passes.c (execute_todo): Add code to set updating_used_alone,
5843 and call recalculate.
5844 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5845 for clobber if used alone, and add assert to verify used_alone
5846 status.
5848 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5850 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5851 for non tls symbols added.
5852 (legitimize_address): Do nothing for PLUS expressions if one of the
5853 addends is a tls symbol reference.
5855 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5857 PR bootstrap/25476
5859 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5861 * Makefile.in (BOOTSTRAPPING): New.
5862 (quickstrap): New definition if BOOTSTRAPPING=yes.
5864 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5865 * configure.ac: Substitute all_selected_languages with the languages
5866 that were configured. For all the other variables except
5867 lang_specs_files, include all the languages in the tree.
5868 * configure: Regenerate.
5870 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5871 if there is one. Run the commands to run fixincludes in the same
5872 subshell.
5874 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5875 * doc/install.texi: Document exact conventions for searching target tools.
5876 Document --with-build-time-tools. Document toplevel bootstrap. Document
5877 something more about building an Ada cross-compiler. Don't list GNU Make
5878 requirements which affect all platforms.
5880 2006-02-19 Roger Sayle <roger@eyesopen.com>
5882 PR middle-end/19543
5883 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5884 only equivalent if the have both the same mode and precision.
5886 2006-02-20 Ben Elliston <bje@au.ibm.com>
5888 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5890 2006-02-19 Roger Sayle <roger@eyesopen.com>
5891 Steven Bosscher <stevenb.gcc@gmail.com>
5893 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5894 constant pool references to identify stack mode constants.
5895 * rtlanal.c (constant_pool_constant_p): New predicate to check
5896 whether operand is a floating point constant in the pool.
5897 * rtl.h (constant_pool_constant_p): Prototype here.
5898 * loop.c (scan_loop): Avoid hoisting constants from the constant
5899 pool on STACK_REGS targets.
5900 (load_mems): Likewise.
5901 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5902 loads into x87 registers expensive in terms of register pressure.
5904 2006-02-19 Roger Sayle <roger@eyesopen.com>
5906 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5907 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5909 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5911 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5912 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5914 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5916 * doc/invoke.texi: Document -fipa-pta.
5917 * common.opt: Add ipa-pta option.
5918 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5919 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5920 (do_ds_constraint): Ditto.
5921 (get_constraint_for): Only add to referenced_vars if
5922 referenced_vars exists.
5923 (insert_into_field_list): Rewrite to do this unsorted.
5924 (insert_into_field_list_sorted): Rename old insert_into_field_list
5925 to this.
5926 (create_function_info_for): Use insert_into_field_list_sorted.
5927 (create_variable_info_for): Rewrite so it uses unsorted version,
5928 since the field list is sorted.
5929 (intra_create_variable_infos): Only add to referenced_vars if
5930 referenced_vars exists.
5931 (ipa_pta_execute): Init heapvars, and delete when done.
5932 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5934 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5936 * doc/install.texi: Add missing `@samp'.
5938 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5940 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5941 Use the arguments.
5943 2006-02-18 Mark Wielaard <mark@klomp.org>
5945 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5946 who added new 4.1 features, bug fixes and integration support.
5948 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5950 PR target/26350
5951 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5952 MEM for ABI_V4 pic.
5954 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5956 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5957 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5958 (copy_insn_1): Likewise. Don't copy each field individually.
5959 Reindent.
5960 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5961 of RTX_SIZE.
5962 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5963 * rtl.c (rtx_size): Rename variable to...
5964 (rtx_code_size): ...this.
5965 (rtx_size): New function.
5966 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5967 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5968 Reindent.
5969 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5970 * rtl.h (rtx_code_size): New variable.
5971 (rtx_size): Change from a variable to a function.
5972 (RTX_SIZE): Rename to...
5973 (RTX_CODE_SIZE): ...this.
5975 PR target/9703
5976 PR tree-optimization/17106
5977 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5978 (Anchored Addresses): New section.
5979 * doc/invoke.texi (-fsection-anchors): Document.
5980 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5981 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5982 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5983 * hooks.c (hook_bool_mode_rtx_false): New function.
5984 * hooks.h (hook_bool_mode_rtx_false): Declare.
5985 * gengtype.c (create_optional_field): New function.
5986 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5987 SYMBOL_REF_IN_BLOCK_P is true.
5988 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5989 (min_anchor_offset, max_anchor_offset): Likewise.
5990 (use_anchors_for_symbol_p): New hook.
5991 * toplev.c (compile_file): Call output_object_blocks.
5992 (target_supports_section_anchors_p): New function.
5993 (process_options): Check that -fsection-anchors is only used on
5994 targets that support it and when -funit-at-a-time is in effect.
5995 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5996 if the decl doesn't have one.
5997 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5998 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5999 of force_const_mem through use_anchored_address.
6000 (expand_expr_constant): New function.
6001 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6002 calling expand_expr for INDIRECT_REF.
6003 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6004 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6005 * expr.h (use_anchored_address): Declare.
6006 * loop-unroll.c: Don't declare rtx vectors here.
6007 * explow.c: Include output.h.
6008 (validize_mem): Call use_anchored_address.
6009 (use_anchored_address): New function.
6010 * common.opt (-fsection-anchors): New switch.
6011 * varasm.c (object_block_htab, anchor_labelno): New variables.
6012 (hash_section, object_block_entry_eq, object_block_entry_hash)
6013 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6014 (use_blocks_for_decl_p, change_symbol_section): New functions.
6015 (get_variable_section): New function, split out from assemble_variable.
6016 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6017 use_blocks_for_decl_p say so. Use change_symbol_section if the
6018 symbol has already been created.
6019 (assemble_variable_contents): New function, split out from...
6020 (assemble_variable): ...here. Don't output any code for
6021 block symbols; just pass them to place_block_symbol.
6022 Use get_variable_section and assemble_variable_contents.
6023 (get_constant_alignment, get_constant_section, get_constant_size): New
6024 functions, split from output_constant_def_contents.
6025 (build_constant_desc): Create a block symbol if use_object_blocks_p
6026 says so. Or into SYMBOL_REF_FLAGS.
6027 (assemble_constant_contents): New function, split from...
6028 (output_constant_def_contents): ...here. Don't output any code
6029 for block symbols; just pass them to place_section_symbol.
6030 Use get_constant_section and get_constant_alignment.
6031 (force_const_mem): Create a block symbol if use_object_blocks_p and
6032 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6033 (output_constant_pool_1): Add an explicit alignment argument.
6034 Don't switch sections here.
6035 (output_constant_pool): Adjust call to output_constant_pool_1.
6036 Switch sections here instead. Don't output anything for block symbols;
6037 just pass them to place_block_symbol.
6038 (init_varasm_once): Initialize object_block_htab.
6039 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6040 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6041 (place_block_symbol, get_section_anchor, output_object_block)
6042 (output_object_block_htab, output_object_blocks): New functions.
6043 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6044 (TARGET_ASM_OUT): Include it.
6045 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6046 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6047 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6048 (TARGET_INITIALIZER): Include them.
6049 * rtl.c (rtl_check_failed_block_symbol): New function.
6050 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6051 (block_symbol, object_block): New structures.
6052 (rtx_def): Add a block_symbol field to the union.
6053 (BLOCK_SYMBOL_CHECK): New macro.
6054 (rtl_check_failed_block_symbol): Declare.
6055 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6056 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6057 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6058 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6059 * output.h (output_section_symbols): Declare.
6060 (object_block): Name structure.
6061 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6062 (default_use_anchors_for_symbol_p): Declare.
6063 * Makefile.in (RTL_BASE_H): Add vec.h.
6064 (explow.o): Depend on output.h.
6065 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6066 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6067 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6068 (rs6000_use_blocks_for_constant_p): New function.
6070 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6072 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6074 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6076 PR tree-opt/25680
6077 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6078 IMAGPART_EXPR.
6080 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6082 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6083 is_aliased.
6084 Update all users.
6086 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6088 PR middle-end/26334
6089 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6090 instead of DECL_REGISTER.
6092 2006-02-18 Olivier Hainque <hainque@adacore.com>
6094 PR ada/13408
6095 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6097 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6099 PR target/24837
6100 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6101 * opth-gen.awk: Handle Var and InverseMask together.
6102 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6103 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6104 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6105 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6106 used together.
6107 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6108 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6109 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6110 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6111 LINUX_DYNAMIC_LINKER): Define.
6112 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6113 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6114 TARGET_GLIBC.
6115 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6116 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6117 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6118 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6119 (TARGET_C99_FUNCTIONS): Don't define.
6120 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6121 GLIBC_DYNAMIC_LINKER.
6122 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6123 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6124 GLIBC_DYNAMIC_LINKER64): Define.
6125 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6126 LINUX_DYNAMIC_LINKER64.
6127 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6128 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6129 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6130 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6131 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6132 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6133 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6134 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6135 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6136 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6137 and LINUX_DYNAMIC_LINKER32.
6138 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6139 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6140 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6141 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6142 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6143 TARGET_GLIBC.
6144 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6145 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6146 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6147 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6148 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6149 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6150 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6151 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6152 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6153 LINUX_DYNAMIC_LINKER): Define.
6154 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6155 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6156 GLIBC_DYNAMIC_LINKER64): Define.
6157 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6158 LINUX_DYNAMIC_LINKER64.
6159 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6160 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6161 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6162 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6163 LINUX_DYNAMIC_LINKER): Define.
6164 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6165 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6166 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6167 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6168 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6169 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6170 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6171 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6172 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6173 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6174 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6175 * doc/invoke.texi (-muclibc): Remove caveat about supported
6176 targets.
6178 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6180 * doc/cpp.texi (__TIMESTAMP__): Document.
6182 2006-02-17 Roger Sayle <roger@eyesopen.com>
6184 PR middle-end/25600
6185 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6186 C is one less than the width of X (and related transformations).
6187 * simplify-rtx.c (simplify_unary_operation_1): Transform
6188 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
6189 depending on STORE_FLAG_VALUE, were C is one less then the
6190 width of X.
6192 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
6194 Fix PR tree-optimization/26341
6195 * tree-ssa-operands.c (add_virtual_operand): Remove assert
6196 about NAME_MEMORY_TAG's.
6198 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6200 PR target/26255
6201 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
6202 with hardware float support, and software float support. Add fcpy
6203 alternative to hardware patterns. Add alternatives to copy between
6204 general and floating-point registers to the 32-bit pattern.
6205 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
6206 secondary reload to load a QI or HI mode constant into a floating
6207 point register.
6208 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
6209 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
6211 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
6213 PR target/26272
6214 * config/rs6000/darwin.md (load_macho_picbase_si): Add
6215 pc to the pattern.
6216 (load_macho_picbase_di): Likewise.
6218 2006-02-16 Jeff Law <law@redhat.com>
6220 * tree-vrp.c (set_value_range_to_nonnegative): New function.
6221 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
6222 (ssa_name_nonzero_p): Likewise.
6223 (get_value_range): Return NULL if VRP is not running.
6224 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
6225 VRP routines do not discover a range.
6226 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
6227 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
6228 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6229 (tree_expr_nonnegative_p): Similarly.
6230 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6231 (restore_nonzero_vars_to_original_value): Remove.
6232 (unsafe_associative_fp_binop): Remove.
6233 (tree_ssa_dominator_optimize): Remove initialization and
6234 finalization of nonzero_vars and nonzero_vars_stack.
6235 (dom_opt_initialize_block): No longer push marker on
6236 nonzero_vars_stack.
6237 (dom_opt_finalize_block): No longer call
6238 restore_nonzero_vars_to_original_value.
6239 (record_equivalences_from_phis): No longer look for
6240 nonzero PHI arguments.
6241 (cprop_into_successor_phis): No longer propagate nonzero
6242 property into PHI arguments. Lose unused argument. Caller
6243 updated.
6244 (record_equivalences_from_stmt): No longer record nonzero
6245 values for SSA_NAMEs.
6246 (lookup_avail_expr): No longer use nonzero_vars.
6248 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
6249 for sizetype when sizetype is unsigned.
6251 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
6253 PR rtl-optimization/25603
6254 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
6255 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
6256 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
6257 with new meaning of SETS.
6259 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6261 PR target/20353
6262 PR target/24578
6263 PR target/24837
6264 * config/linux.opt: New file.
6265 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
6266 LINUX_DYNAMIC_LINKER): Define.
6267 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
6268 * config.gcc (*-*-linux*): Define extra_options.
6269 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
6270 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
6271 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
6272 GLIBC_DYNAMIC_LINKER.
6273 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
6274 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6275 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6276 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6277 * doc/invoke.texi (GNU/Linux Options): New section.
6279 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6281 * config/sparc/sparc.md (setjmp): Rewrite.
6282 (setjmp_32): Delete.
6283 (setjmp_64): Likewise.
6285 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
6287 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
6288 previous change.
6290 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6292 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6293 read-write uses.
6295 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6297 PR rtl-optimization/26296
6298 * Makefile.in (loop-invariant.c): Add except.h dependency.
6299 * loop-invariant.c: Include except.h.
6300 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
6302 2005-02-16 Paul Brook <paul@codesourcery.com>
6304 * reload1.c (emit_reload_insns): Invalidate dead input registers used
6305 for reloads.
6307 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
6309 PR rtl-optimization/25636
6310 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
6311 when deciding whether an insn is an initializing insn.
6313 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
6315 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
6316 (tree_code_size): Ditto.
6317 * tree.h (struct tree_memory_tag): Remove parent_var.
6318 (struct tree_struct_field_tag): New.
6319 (SFT_OFFSET): New.
6320 (SFT_SIZE): New.
6321 (union tree_node): Add sft member.
6322 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
6323 specially here.
6324 (create_sft): Add size and offset argument, set SFT_OFFSET and
6325 SFT_SIZE.
6326 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
6327 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
6328 * tree-flow-inline.h (get_subvar_at): Update for
6329 SFT_OFFSET/SFT_SIZE.
6330 (var_can_have_subvars): Ditto.
6331 (overlap_subvar): Ditto.
6332 * print-tree.c (print_node): Print out interesting things for
6333 SFT's.
6334 * tree-flow.h (struct subvar): Remove offset and size members.
6335 * tree-ssa-operands.c (get_expr_operands): Update for
6336 get_indirect_ref_operands changes.
6337 (get_indirect_ref_operands): Call add_virtual_operand instead of
6338 add_stmt_operand. Only recurse on base var if requested.
6339 (access_can_touch_variable): New function.
6340 (add_stmt_operand): Split virtual operand handling into ...
6341 (add_virtual_operand): Here. Add offset, size, and for_clobber
6342 arguments. Prune alias sets.
6343 (add_call_clobber_ops): Call add_virtual_operand.
6345 2006-02-15 Jakub Jelinek <jakub@redhat.com>
6347 PR middle-end/26300
6348 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
6350 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
6351 than TREE_CODE as index into omp_clause_num_ops array.
6353 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
6355 PR rtl-optimization/26184
6356 * modulo-sched.c (generate_reg_moves): Free bitmap vector
6357 uses_of_defs.
6358 * modulo-sched.c (sms_schedule): Free g_arr pointer.
6359 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
6360 must_precede, must_follow and tobe_scheduled.
6362 PR other/26147
6363 * opts.c (common_handle_option): Free new_option pointer.
6364 * df-core.c (df_analyze): Free postorder pointer.
6366 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6368 * Makefile.in: Fix the examples about the use of stamps
6370 2006-02-15 Michael Matz <matz@suse.de>
6372 PR middle-end/22275
6374 * stor-layout.c (layout_decl): Zero-width bitfields aren't
6375 influenced by maximum_field_alignment or DECL_PACKED.
6376 (update_alignment_for_field): Ditto.
6377 (place_field): Ditto.
6378 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
6379 this behaviour.
6381 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
6383 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
6384 (debug_flow_info): Pass it.
6385 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
6386 * bb-reorder.c (reorder_basic_blocks): Likewise.
6387 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
6388 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
6389 * flow.c (life_analysis, recompute_reg_usage): Likewise.
6390 * gcse.c (gcse_main, bypass_jumps): Likewise.
6391 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
6392 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
6393 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
6394 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
6395 * rtl.h (dump_flow_info): Adjust prototype.
6396 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
6397 * var-tracking.c (variable_tracking_main): Likewise.
6398 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
6399 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
6400 options.
6402 2006-02-15 Marcin Dalecki <martin@dalecki.de>
6404 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
6405 construction.
6407 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6409 PR tree-optimization/26209
6410 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
6411 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
6412 eh edges.
6413 * tree-cfg.c (replace_uses_by): Do not alter cfg.
6415 2006-02-14 Roger Sayle <roger@eyesopen.com>
6417 PR middle-end/23670
6418 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
6419 (X,Y) and the corresponding symmetry related transformations.
6420 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
6421 (X,Y) and its symmetry related transformations.
6423 2006-02-14 Roger Sayle <roger@eyesopen.com>
6425 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
6426 and GEU.
6428 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
6430 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
6432 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6434 PR bootstrap/26053
6435 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
6436 support COMDAT group.
6437 * configure: Regenerate.
6439 2006-02-14 Roger Sayle <roger@eyesopen.com>
6441 PR middle-end/26279
6442 PR middle-end/26280
6443 PR middle-end/26283
6444 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
6446 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
6448 Fix PR tree-optimization/26260
6450 * doc/invoke.texi (max-fields-for-field-sensitive): Document
6451 param.
6452 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
6453 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
6454 * tree-ssa-structalias.c (create_variable_info_for): Use
6455 MAX_FIELDS_FOR_FIELD_SENSITIVE.
6457 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6459 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
6460 Document.
6461 * tree-ssa-loop-niter.c (number_of_iterations_ne,
6462 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
6463 of the ending condition.
6464 * tree-ssa-loop-manip.c: Include params.h.
6465 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
6466 tree_unroll_loop): New functions.
6467 * tree-pass.h (pass_loop_prefetch): Declare.
6468 * loop.c (rest_of_handle_loop_optimize): Test for
6469 -fprefetch-loop-arrays-rtl.
6470 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
6471 * timevar.def (TV_TREE_PREFETCH): New timevar.
6472 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6473 pass_loop_prefetch): New.
6474 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6475 (cleanup_tree_cfg_loop): Call scev_reset.
6476 * common.opt (fprefetch-loop-arrays-rtl): Add.
6477 * tree-ssa-loop-prefetch.c: New file.
6478 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6479 (new_temp_expr_table): Initialize expr_vars.
6480 (free_temp_expr_table): Cleanup expr_vars.
6481 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6482 expressions from being merged into one.
6483 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6484 (struct tree_niter_desc): Add control, bound and cmp fields.
6485 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6486 Declare.
6487 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6488 (tree-cfgcleanup.o): Add SCEV_H dependency.
6489 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6490 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6492 2006-02-14 Richard Guenther <rguenther@suse.de>
6494 PR tree-optimization/26258
6495 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6496 in PHI argument processing.
6498 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6500 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6501 new expression in the requested machine mode.
6503 2006-02-13 Roger Sayle <roger@eyesopen.com>
6505 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6506 directly, instead let do_compare_rtx_and_jump handle this for us.
6507 * expr.c (expand_expr_real_1): Likewise.
6508 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6509 before do_jump_by_parts_greater.
6510 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6511 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6513 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6515 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6517 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6519 PR rtl-optimization/26235
6520 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6521 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6522 format.
6524 2006-02-13 Jeff Law <law@redhat.com>
6526 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6527 TRUTH_XOR_EPR.
6529 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6531 PR middle-end/26092
6532 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6533 twice if decl is a builtin. When trying again, call get_callee_fndecl
6534 first to verify it is still a builtin.
6536 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6538 * dwarf2out.c (base_type_die): Don't add AT_name here.
6539 (subrange_type_die): Don't add AT_name here.
6540 (modified_type_die): Rearrange code flow. Do add AT_name here.
6542 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6544 PR rtl-optimization/26247
6545 PR rtl-optimization/26248
6546 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6548 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6550 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6551 * config/fixtfdi.c: Likewise.
6552 * config/fixunstfdi.c: Likewise.
6553 * config/floatditf.c: Likewise.
6555 2006-02-13 Roger Sayle <roger@eyesopen.com>
6557 PR middle-end/24427
6558 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6559 into (X,C2) if C1 is a subset of the bits of C2. Transform
6560 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6561 (X&(C1&~C2))|C2.
6562 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6564 2006-02-13 Josh Conner <jconner@apple.com>
6566 PR target/25376
6567 * varasm.c (function_section): Check for section name before
6568 calling select_section on targets that define
6569 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6570 unlikely_text_section instead of hot_function_section if
6571 first_function_block_is_cold.
6573 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6575 PR middle-end/25335
6576 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6578 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6580 PR rtl-optimization/26222
6581 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6582 after tree->rtl expansion.
6583 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6584 before passing it to emit_move_insn.
6586 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6588 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6589 default.
6590 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6591 Clarify documentation.
6592 * c-common.h (warn_write_strings): Remove.
6593 * c-common.c (warn_write_strings): Likewise.
6594 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6595 default for C++.
6597 2006-02-12 Roger Sayle <roger@eyesopen.com>
6599 PR middle-end/25724
6600 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6601 (do_jump_parts_zero_rtx): New function renamed from
6602 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6603 (do_jump_parts_equality_rtx): New function split out from
6604 do_jump_parts_equality. Old implementation renamed as above.
6605 Call do_jump_parts_zero_rtx if either operand is zero.
6606 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6607 do all of the heavy lifting.
6608 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6609 calling either do_jump_by_parts_greater_rtx or
6610 do_jump_by_parts_equality_rtx.
6611 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6612 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6613 moved to do_compare_rtx_and_jump, call it directly.
6614 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6615 mode argument. Call do_compare_rtx_and_jump.
6616 (emit_case_nodes): Update calls to do_jump_if_equal.
6618 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6620 PR rtl-optimization/26225
6621 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6623 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6625 PR rtl-optimization/26232
6626 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6628 2006-02-11 Jason Merrill <jason@redhat.com>
6630 PR tree-opt/24365
6631 * tree-inline.c (declare_return_variable): Just don't use the
6632 modify target if it's a gimple complex reg and the return slot
6633 isn't.
6635 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6637 * doc/contrib.texi: Update my entry.
6639 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6641 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6643 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6645 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6646 expensive.
6648 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6650 * doc/invoke.texi (-floop-optimize2): Removed.
6651 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6652 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6653 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6654 * common.opt (floop-optimize2): Removed.
6655 (fmove-loop-invariants): Enabled by default.
6657 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6659 * tree-if-conv.c (combine_blocks): Free the result of
6660 get_loop_exit_edges.
6662 2006-02-10 Jeff Law <law@redhat.com>
6664 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6666 PR tree-optimization/26213
6667 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6668 loop trying to follow SSA_NAME_VALUE chains.
6670 2006-02-10 Richard Guenther <rguenther@suse.de>
6672 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6673 deal with structures that end in implicitly variable sized arrays.
6675 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6677 PR rtl-optimization/24762
6678 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6679 eh edges.
6681 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6683 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6684 (struct ivopts_data): Add regs_used field.
6685 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6686 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6687 instead of loop_data->regs_used;
6688 (free_loop_data): Do not free aux fields for loops.
6689 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6690 and tree_ssa_iv_optimize_finalize.
6692 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6694 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6696 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6698 PR target/26141
6699 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6700 computing the effective result type.
6702 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6704 PR inline-asm/16194
6705 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6706 (tree_overlaps_hard_reg_set): Declare.
6707 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6708 type and signature to match function type expected by walk_tree.
6709 (tree_overlaps_hard_reg_set): New function.
6710 (decl_conflicts_with_clobbers_p): Rename to:
6711 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6712 Use tree_overlaps_hard_reg_set. Changed caller.
6713 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6714 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6715 * cris.c (cris_md_asm_clobbers): Likewise.
6717 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6719 * reload1.c (emit_input_reload_insns): Delete code that tries to
6720 inherit using find_equiv_reg.
6722 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6724 * c-common.h (flag_const_strings): Don't declare.
6725 * c-common.c (flag_const_strings): Remove.
6726 * c.opt (fconst_strings): Remove.
6727 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6728 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6729 (c_common_init_options): Don't set flag_const_strings.
6730 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6732 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6734 * arm.md (tlobits_cbranch): New pattern.
6735 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6736 testing a single bit.
6738 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6740 PR tree-opt/26179
6741 * tree-ssa-pre.c (create_component_ref_by_pieces):
6742 Handle RETURN_DECL like VAR_DECL.
6744 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6746 PR middle-end/26134
6747 * fold-const.c (fold_indirect_ref_1): Fold
6748 "*(foo *)&complexfoo" to "__real__ complexfoo"
6749 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6751 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6753 * tree-flow-inline.h (var_can_have_subvars):
6754 Volatile variables should not have subvariables.
6756 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6758 PR 26180
6759 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6760 multiplying unsigned values.
6761 Tidy comments.
6763 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6765 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6767 2006-02-08 Jason Merrill <jason@redhat.com>
6769 PR c++/25979
6770 * tree.def: Elaborate on difference from MODIFY_EXPR.
6771 * doc/c-tree.texi (INIT_EXPR): Likewise.
6772 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6773 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6774 (gimplify_target_expr): Likewise.
6775 (gimplify_cond_expr): Remove target handling.
6776 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6777 (gimplify_expr): Clobber it here.
6778 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6779 Do return slot optimization if we have an INIT_EXPR.
6781 PR tree-opt/24365
6782 * tree-inline.c (declare_return_variable): Also clear
6783 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6785 PR c++/16405
6786 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6788 PR middle-end/22439
6789 * gimplify.c (gimplify_one_sizepos): Fix typo.
6791 2006-02-08 Jeff Law <law@redhat.com>
6793 PR tree-optimization/21417
6794 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6795 across a backedge if the control statement at the end of the
6796 block is data dependent on other statements in the same block.
6797 (record_temporary_equivalences_from_stmts): Remove over-conservative
6798 test for threading across backedges.
6800 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6801 control statement, handle all three special cases in the same
6802 manner as they all have the same desired solution. No longer
6803 special case edge flag updating when the post dominator is
6804 the exit block.
6806 2006-02-08 Roger Sayle <roger@eyesopen.com>
6808 * tree.def (CHAR_TYPE): Remove.
6809 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6810 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6811 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6812 (gen_string_type_die): Delete unreachable function.
6814 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6815 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6816 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6817 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6818 * builtins.c (type_to_class): Likewise.
6819 * fold-const.c (fold_convert, build_range_check,
6820 merge_ranges): Likewise.
6821 * expr.c (count_type_elements): Likewise.
6822 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6823 * stor-layout.c (layout_type): Likewise.
6824 * ipa-type-escape.c (type_to_consider): Likewise.
6825 * gimplify.c (omp_firstprivatize_type_sizes,
6826 gimplify_type_sizes): Likewise.
6827 * explow.c (promote_mode): Likewise.
6828 * tree-sra.c (is_sra_scalar_type): Likewise.
6829 * varasm.c (output_constant): Likewise.
6830 * tree-inline.c (remap_type_1): Likewise.
6831 * convert.c (convert_to_pointer, convert_to_real,
6832 convert_to_integer, convert_to_complex): Likewise.
6834 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6836 * df-scan.c (df_def_record_1): A set destination may
6837 be a parallel regardless of mode.
6839 2006-02-08 Roger Sayle <roger@eyesopen.com>
6841 PR target/22209
6842 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6843 * config/mips/_tilib.c: Remove.
6844 * config/fixtfdi.c: New libgcc source file.
6845 * config/fixunstfdi.c: New source file.
6846 * config/floatditf.c: New source file.
6847 * config/floatunditf.c: New souce file.
6848 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6849 files above instead of config/mips/_tilib.c.
6850 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6852 2006-02-08 Jeff Law <law@redhat.com>
6854 PR tree-optimization/26169
6855 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6856 threading jumps.
6858 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6860 * df.h (DF_REG_SIZE): Return the length of the initialized
6861 part of the array.
6863 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6865 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6866 __muldf3): Return a correctly signed zero.
6868 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6870 * passes.c (register_one_dump_file): Accept the current properties
6871 instead of pass number. Adjust call to dump_register. Remove
6872 duplicated code.
6873 (register_dump_files): Now a wrapper around...
6874 (register_dump_files_1): ... this one. Do not modify the pass
6875 structure.
6876 (next_pass_1): Cosmetic fix.
6877 (execute_todo): Keep second parameter only. Use curr_properties
6878 instead of fetching it from the pass structure. Check and set
6879 last_verified.
6880 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6881 instead of fetching it from the pass structure. Fix calls to
6882 execute_todo. Update curr_properties and initialize .vcg RTL dump
6883 after running the pass. Reset last_verified.
6884 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6885 at the beginning.
6886 (FIRST_AUTO_NUMBERED_DUMP): New.
6887 (dump_register): Remove "num" parameter, assign it within the
6888 function.
6889 (get_dump_file_name): Modify template for dumps.
6890 * tree-dump.h (dump_register): Adjust prototype.
6891 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6892 (PROP_trees): Add PROP_gimple_lomp.
6893 (TODO_set_props): New.
6894 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6895 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6896 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6898 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6900 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6901 (sparc64-*-linux*): Likewise.
6902 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6903 * config/sparc/t-linux: New file.
6904 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6905 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6906 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6907 -m32 -mlong-double-128.
6909 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6910 * config/alpha/t-linux: New file.
6911 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6913 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6914 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6915 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6916 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6917 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6918 (CPP_ARCH32_SPEC): Remove.
6920 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6922 PR tree-optimization/26145
6923 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6924 bbs pointer.
6926 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6928 PR target/26109
6929 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6930 >= 240000 when generating code for SOM runtime.
6931 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6932 to $$dyncall when generating code for SOM runtime..
6934 2006-02-07 Dirk Mueller <dmueller@suse.com>
6936 PR c++/18150
6937 * doc/invoke.texi (-Wsequence-point): Update documentation
6938 that -Wsequence-point is implemented for C++ as well.
6940 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6942 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6943 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6944 (LIB_SPEC): Likewise.
6945 * doc/invoke.texi (SPARC options): Document -pthread.
6947 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6949 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6950 PIC addresses.
6952 2006-02-07 Roger Sayle <roger@eyesopen.com>
6954 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6955 Correct comment describing BOOLEAN_TYPE.
6957 2006-02-07 Dirk Mueller <dmueller@suse.com>
6959 * c.opt: C++ frontend supports -Wdiv-by-zero.
6960 * c-opts.c (c_common_handle_option): Remove dead case.
6962 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6964 * configure.ac (TLS assembler check): Do not enable TLS by
6965 default on SPARC/Solaris before version 10.
6966 * configure: Regenerate.
6968 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6970 * doc/invoke.texi (xl-compat): Document conversion and support
6971 routine names.
6973 2006-02-07 Jeff Law <law@redhat.com>
6975 * tree-vrp.c (find_conditional_asserts): Update comments.
6976 (simplify_stmt_for_jump_threading): New.
6977 (identify_jump_threads, finalize_jump_threads): New.
6978 (vrp_finalize): Call identify_jump_threads.
6979 (execute_vrp): Call finalize_jump_threads.
6980 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6981 (vrp_element, vrp_data, vrp_element_p): Remove.
6982 (vrp_hash_elt, vrp_variables_stack): Remove.
6983 (vrp_hash, vrp_eq, record_range): Remove.
6984 (simplify_cond_and_lookup_avail_expr): Remove.
6985 (extract_range_from_cond): Remove.
6986 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6987 (simplify_stmt_for_jump_threading): New.
6988 (dom_thread_across_edge): New wrapper.
6989 (tree_ssa_dominator_optimize): No longer initialize or
6990 finalize any of the VRP datastructures. Remove iteration
6991 step and simplify as a result of removal of iteration step.
6992 (pass_dominator): Perform a cfg cleanup after DOM.
6993 (dom_opt_finalize_block): Use the new common routines
6994 for threading jumps. Simplify stack management slightly.
6995 No longer need to unwind VRP state.
6996 (record_equivalences_from_incoming_edge): No longer record
6997 VRP information.
6998 (eliminate_redundant_computations): No longer call
6999 simplify_cond_and_lookup_avail_expr.
7000 * tree-flow.h (potentially_threadable_block): Prototype.
7001 (thread_across_edge): Likewise.
7002 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7003 (tree-ssa-threadedge.o): Add dependencies.
7004 * tree-ssa-threadedge.c: New file.
7005 * passes.c (init_optimization_passes): Merge PHIs before
7006 calling VRP. Run VRP again late in the SSA optimization pipeline.
7008 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7010 * df-core.c (df_set_blocks): Do not dereference function pointers.
7011 (df_finish1): Likewise.
7012 (df_hybrid_search_forward): Likewise.
7013 (df_hybrid_search_backward): Likewise.
7014 (df_iterative_dataflow): Likewise.
7015 (df_analyze_problem): Likewise.
7016 (df_compact_blocks): Likewise.
7017 (df_dump): Likewise.
7018 * df-scan.c (df_rescan_blocks): Likewise.
7019 (df_record_entry_block_defs): Likewise.
7021 * genconditions.c (write_conditions): Guard the definition of
7022 'insn_conditions' with the check on GCC version.
7023 (write_writer): Guard the traversal 'insn_conditions' with
7024 the check on GCC version.
7026 2006-02-07 Richard Guenther <rguenther@suse.de>
7028 PR c++/26140
7029 Revert
7030 2006-01-30 Richard Guenther <rguenther@suse.de>
7031 PR c++/23372
7032 * gimplify.c (gimplify_target_expr): Handle easy cases
7033 without creating a temporary.
7035 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7037 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7038 use of float in probability computations. Use edge probabilities
7039 in place of statically computed probabilities.
7040 (min_spec_prob): New static variable.
7041 (schedule_insns): Initialize it.
7042 (GET_SRC_PROB): Removed.
7043 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7045 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7047 PR debug/24444
7048 * config/ia64/unwind-ia64.c: Revert last change.
7049 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7050 (INCOMING_FRAME_SP_OFFSET): Define.
7052 2006-02-06 Roger Sayle <roger@eyesopen.com>
7054 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7056 2006-02-07 Ben Elliston <bje@au.ibm.com>
7058 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7059 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7060 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7061 (ix86_return_in_memory): Handle TDmode.
7062 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7063 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7065 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7067 * reorg.c (dbr_schedule): Use dump_file instead of file.
7069 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7071 PR target/25917
7072 * config/ia64/predicates.md (extr_len_operand): New predicate.
7073 * config/ia64/ia64.md (extv): Tighten constraints.
7074 (extzv): Ditto.
7075 (*tbit_and_2): Ditto.
7076 (*tbit_and_3): Ditto.
7077 (*tbit_or_2): Ditto.
7078 (*tbit_or_3): Ditto.
7079 (*bit_zero): Ditto.
7080 (*bit_one): Ditto.
7082 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7084 PR target/23359
7085 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7087 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7089 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7090 loop_optimizer_init and loop_optimizer_finalize
7091 * tree-ssa-sink.c (execute_sink_code): Ditto.
7092 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7093 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7094 tree_ssa_loop_done): Ditto.
7095 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7096 * sched-ebb.c: Include output.h.
7097 (schedule_ebbs): Do not use dump argument.
7098 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7099 * loop.c (loop_dump_stream): Removed.
7100 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7101 argument.
7102 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7103 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7104 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7105 loop_iterations, strength_reduce, record_biv, record_giv,
7106 final_giv_value, check_final_value, check_ext_dependent_givs,
7107 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7108 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7109 dump_file instead of loop_dump_stream.
7110 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7111 argument dump_file.
7112 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7113 dump argument.
7114 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7115 * haifa-sched.c: Include output.h
7116 (schedule_insns, sched_init): Do not use dump argument.
7117 * mode-switching.c (optimize_mode_switching): Ditto.
7118 * modulo-sched.c (stats_file): Removed.
7119 (print_node_sched_params): Do not call argument dump_file.
7120 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7121 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7122 of stats_file.
7123 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7124 use dump argument.
7125 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7126 rtl_loop_init, rtl_loop_done): Ditto.
7127 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7128 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7129 Ditto.
7130 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7131 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7132 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7133 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7134 * emit-rtl.c (renumber_insns): Ditto.
7135 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7136 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7137 * regclass.c (regclass): Ditto.
7138 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7139 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7140 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7141 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7142 Ditto.
7143 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7144 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7145 to regclass.
7146 * gcse.c (gcse_file, debug_stderr): Removed.
7147 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7148 rest_of_handle_gcse): Do not use dump argument.
7149 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7150 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7151 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7152 compute_code_hoist_vbeinout, compute_code_hoist_data,
7153 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7154 compute_store_table, build_store_vectors, insert_insn_start_bb,
7155 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7156 store_motion): Use dump_file instead of gcse_file.
7157 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7158 * profile.c (profile_dump_file): Removed.
7159 (branch_prob): Use dump_file instead of profile_dump_file.
7160 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7161 dump_file.
7162 * tree-ssa-copy.c (dump_copy_of): Ditto.
7163 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7164 dump file to life_analysis.
7165 * bt-load.c (branch_target_load_optimize): Ditto.
7166 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7167 renumber_insns.
7168 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7169 regclass, dbr_schedule): Declaration changed.
7170 * sched-int.h (sched_init): Declaration changed.
7171 * tree-profile.c (tree_profile_dump_file): Removed.
7172 (tree_profile_hooks): Removed profile_dump_file hook.
7173 * rtl-profile (rtl_profile_dump_file): Removed.
7174 (rtl_profile_hooks): emoved profile_dump_file hook.
7175 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7176 changed.
7177 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7178 * tree-cfg.c (build_tree_cfg): Ditto.
7179 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7180 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7181 Declaration changed.
7182 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7183 life_analysis and schedule_insns.
7184 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7185 life_analysis.
7186 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7187 dbr_schedule.
7188 * config/mips/mips.c (mips_reorg): Ditto.
7189 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
7190 schedule_ebbs.
7192 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
7194 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7195 (s390_mangle_fundamental_type): New.
7196 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7197 Define.
7199 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7200 (alpha_mangle_fundamental_type): New.
7201 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7202 Define.
7204 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7205 Define.
7206 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7207 Define.
7208 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7209 (sparc_mangle_fundamental_type): New.
7211 2006-02-06 Jakub Jelinek <jakub@redhat.com>
7213 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
7214 (s390x-*-linux*): Likewise.
7215 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
7216 * config/s390/t-linux: New file.
7218 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7220 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
7221 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
7223 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
7225 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
7226 (ANTIC_SAFE_LOADS): New macro.
7227 (find_or_generate_expression): Add prototype.
7228 (set_contains_value): Allow null set for sake of not always having
7229 to allocate ANTIC_SAFE_LOADS.
7230 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7231 Allow COMPONENT_REF too.
7232 (valid_in_set): Allow COMPONENT_REF.
7233 Check ANTIC_SAFE_LOADS too.
7234 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7235 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
7236 rename.
7237 (can_PRE_operation): Add COMPONENT_REF.
7238 (create_component_ref_by_pieces): New function.
7239 (create_expression_by_pieces): Use create_component_ref_by_pieces.
7240 (insert_aux): Move AGGREGATE_TYPE_P check here.
7241 (compute_avail): Set bb local stmt uids.
7242 (pass_pre): Use TODO_update_ssa_only_virtuals.
7244 2006-02-06 Ben Elliston <bje@au.ibm.com>
7246 * configure.ac: Unconditionally disable decimal float by default.
7247 * configure: Regenerate.
7249 2006-02-06 Ben Elliston <bje@au.ibm.com>
7251 * read-rtl.c (read_name): Terminate reading on EOF.
7253 2006-02-06 Ben Elliston <bje@au.ibm.com>
7255 * dfp.c (decimal_real_arithmetic): Change second argument type
7256 from int to enum tree_code. Do not always return true, but now
7257 return result of any call to decimal_do helper functions.
7258 * dfp.h (decimal_real_arithmetic): Update prototype.
7260 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
7262 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
7264 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
7266 PR tree-opt/25251
7267 * tree-cfg.c (cleanup_dead_labels): Also don't remove
7268 forced labels.
7270 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7272 * tree-vrp.c (cfg_loops): Removed.
7273 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
7274 Use current_loops instead of cfg_loops. Pass flags to
7275 loop_optimizer_init.
7276 * cfgloopmanip.c (fix_loop_structure): Update only available
7277 information.
7278 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
7279 loop_optimizer_init.
7280 * modulo-sched.c (build_loops_structure): Removed.
7281 (sms_schedule): Use loop_optimizer_init.
7282 * loop-init.c (loop_optimizer_init): Use flags to determine
7283 which properties of loops to prepare.
7284 (rtl_loop_init): Pass flags to loop_optimizer_init.
7285 * tree-ssa-sink.c (execute_sink_code): Ditto.
7286 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7287 * tree-ssa-pre.c (init_pre): Ditto.
7288 * cfgloop.h (LOOPS_NORMAL): New.
7289 (loop_optimizer_init): Declaration changed.
7291 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7293 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
7294 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7295 pa/t-pa.
7296 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7297 pa/t-pa.
7298 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
7299 pa/x-ada.
7300 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
7301 * pa/t-pa64: Delete quadlib.c rule.
7302 * pa/x-ada: Revert last change.
7303 * pa/t-pa: Revert last change. Delete quadlib.c rule.
7305 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7307 PR rtl-optimization/26087
7308 * rtlanal.c (canonicalize_condition): Do not cross basic block
7309 boundaries.
7311 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
7313 PR debug/24444
7314 * config/ia64/ia64.c: Include debug.h.
7315 (MAX_ARTIFICIAL_LABEL_BYTES): New.
7316 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7317 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
7318 (process_epilogue, process_set, process_for_unwind_directive):
7319 Output unwind info only if requested. Add CFA info if requested.
7320 Add new arguments as needed. Adjust callers.
7321 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
7322 incorrect default.
7323 (DWARF2_FRAME_INFO): Define to zero.
7324 * config/ia64/unwind-ia64.c: Remove code that compensated for
7325 the CFA offset error fixed above.
7326 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
7327 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
7328 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
7329 -funwind-tables and -fexceptions to enable frame info.
7330 (dwarf2out_frame_init): Define initial CFA even if
7331 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
7332 DWARF2_UNWIND_INFO is nonzero, not just defined.
7333 (dwarf2out_frame_finish): Output non-EH call frame info only
7334 if DWARF2_FRAME_INFO is nonzero.
7335 (convert_cfa_to_loc_list,
7336 compute_frame_pointer_to_cfa_displacement): Define even if
7337 unwind info is not supported.
7338 (gen_subprogram_die): Use the above unconditionally. Remove
7339 legacy alternate code.
7340 * toplev.c (compile_file): Compile in call to
7341 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
7342 (lang_dependent_init): Ditto for dwarf2out_frame_init.
7344 2006-02-04 David Edelsohn <edelsohn@gnu.org>
7345 Jakub Jelinek <jakub@redhat.com>
7347 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
7348 IBM extended float format long double as "g" on powerpc*-linux.
7350 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7352 PR target/25926
7353 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
7354 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
7356 2006-02-03 Jason Merrill <jason@redhat.com>
7358 PR c++/25979
7359 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
7361 PR middle-end/25977
7362 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
7363 on the return slot if it's an NRV.
7365 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
7367 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
7368 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
7369 rewrite_use): Do not handle USE_OUTER.
7370 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7371 add_iv_outer_candidates, may_replace_final_value,
7372 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
7373 (find_interesting_uses_op): Functionality of
7374 find_interesting_uses_outer_or_nonlin moved here.
7375 (find_interesting_uses_outside): Use find_interesting_uses_op.
7377 2006-02-03 Alan Modra <amodra@bigpond.net.au>
7379 PR target/25960
7380 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
7382 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
7383 Ulrich Weigand <uweigand@de.ibm.com>
7385 PR target/25864
7386 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
7387 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
7388 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
7389 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
7390 and dxr fields.
7391 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
7392 (s390_rtx_costs): Use the new fields to calculate rtx costs.
7393 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
7394 Define secondary reloads for TFmode moves.
7395 (constant_modes): Add TFmode.
7396 (NR_C_MODES): Set to 8.
7397 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
7398 builtin define.
7399 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
7400 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
7401 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
7402 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
7403 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
7404 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
7405 (FPR mode macro): Add TFmode.
7406 (DSF mode macro): New.
7407 (<de>, <dee> mode attributes): Removed.
7408 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
7409 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
7410 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
7411 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
7412 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
7413 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
7414 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
7415 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
7416 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
7417 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
7418 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
7419 "*negabs<mode>2", "sqrt<mode>2"):
7420 Changed <de> to <xde>. R constraint replaced by <Rf>.
7421 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
7422 <Rf>.
7423 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
7424 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
7425 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
7426 splitters.
7427 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
7428 "extenddftf2", "extendsftf2"): New expanders.
7429 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7430 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
7431 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
7432 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
7433 New options.
7434 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
7435 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
7436 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
7437 __floatditf): Add a GCC_4.1.0 symbol version tag.
7438 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
7439 the new options.
7441 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7443 PR target/25377
7444 * config/i386/i386.c (ix86_function_ok_for_sibcall):
7445 Use targetm.binds_local_p instead of TREE_PUBLIC.
7447 2006-02-02 Roger Sayle <roger@eyesopen.com>
7449 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
7450 on INTEGER_TYPEs to indicate that it denotes a character type.
7451 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
7452 signed_char_type_node, unsigned_char_type_node and char_type_node.
7453 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
7454 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
7455 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
7457 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
7458 Daniel Berlin <dberlin@dberlin.org>
7460 * tree-tailcall.c (arg_needs_copy_p): New function.
7461 (eliminate_tail_call): Use arg_needs_copy_p.
7462 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
7463 (add_virtual_phis): New function.
7465 2006-02-02 Jakub Jelinek <jakub@redhat.com>
7467 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
7468 #ignore instead of #scratch for %g7 .register directive.
7470 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7472 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7473 object files.
7475 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7477 * flow.c (calculate_global_regs_live): Assert that there aren't any
7478 EDGE_FAKE edges.
7480 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7482 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7483 what its name says.
7484 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7485 bsi_after_labels iterator.
7486 * tree-if-conv.c (find_phi_replacement_condition,
7487 replace_phi_with_cond_modify_expr): Likewise.
7488 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7489 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7491 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7493 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7495 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7497 PR 25990
7498 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7499 array after growing it.
7501 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7503 PR middle-end/24901
7504 * fold-const.c (fold_checksum_tree): Change type of buf.
7506 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7508 * reload.c (push_secondary_reload): Initialize t_icode.
7510 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7512 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7513 -msoft-float -mlong-double-128 only issue a warning, but don't
7514 swich to DFmode long double.
7516 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7518 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7519 has a constant equivalent, iterate over equivalents for arg0,
7520 calling simplify_relational_operation and if there's a result
7521 cheaper than X, apply fold_rtx and return the result.
7523 2006-02-01 Jan Hubicka <jh@suse.cz>
7525 * opts.c (no_unit_at_a_time_default): New global variable.
7526 (decode_options): Use it.
7527 * opts.h (no_unit_at_a_time_default): Declare.
7529 2006-02-01 Paul Brook <paul@codesourcery.com>
7531 * function.c (assign_parm_setup_reg): Use function argument promotion
7532 rules.
7533 * expr.c (expand_expr_real_1): Use function argument promotion rules
7534 for PARM_DECLs.
7536 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7538 * gcc.c (process_command): Change j to 'unsigned int'.
7540 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7542 PR middle-end/26001
7543 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7544 Use the corrected index for the character
7545 out of the string constant.
7547 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7549 * mode-switching.c (optimize_mode_switching): Fix size
7550 allocated for bb_info[n_entities].
7552 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7554 * gcc.c (main): Correct type that is allocated for
7555 explicit_link_files.
7557 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7559 * config/s390/s390.c (init_alignment_context): Set
7560 ALIAS_SET_MEMORY_BARRIER on the MEM.
7561 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7563 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7565 PR middle-end/25933
7566 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7567 dom_bbs pointer.
7568 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7569 call to tpa_init.
7571 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7573 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7574 * regrename.c: Ditto.
7575 * tree-ssa-loop-im.c: Ditto.
7576 * tree-dump.c: Ditto.
7577 * tree-complex.c: Ditto.
7578 * genrecog.c: Ditto.
7579 * tree-ssa-threadupdate.c: Ditto.
7580 * tracer.c: Ditto.
7581 * java/class.c: Ditto.
7582 * java/jcf-parse.c: Ditto.
7583 * java/resource.c: Ditto.
7584 * java/except.c: Ditto.
7585 * java/jvspec.c: Ditto.
7586 * java/jcf-write.c: Ditto.
7587 * java/jcf-path.c: Ditto.
7588 * java/gjavah.c: Ditto.
7589 * java/zextract.c: Ditto.
7590 * java/jcf-io.c: Ditto.
7591 * java/jcf.h: Ditto.
7592 * java/buffer.c: Ditto.
7593 * java/lang.c: Ditto.
7594 * java/parse-scan.y: Ditto.
7595 * java/lex.c: Ditto.
7596 * java/lex.h: Ditto.
7597 * cfgloopmanip.c: Ditto.
7598 * postreload-gcse.c: Ditto.
7599 * tree-ssa-loop-manip.c: Ditto.
7600 * postreload.c: Ditto.
7601 * tree-ssa-loop-ch.c: Ditto.
7602 * loop.c: Ditto.
7603 * ipa-cp.c: Ditto.
7604 * cppspec.c: Ditto.
7605 * diagnostic.c: Ditto.
7606 * final.c: Ditto.
7607 * genoutput.c: Ditto.
7608 * gcc.c: Ditto.
7609 * cfghooks.c: Ditto.
7610 * cfgloopanal.c: Ditto.
7611 * objc/objc-act.c: Ditto.
7612 * gcov.c: Ditto.
7613 * genextract.c: Ditto.
7614 * genautomata.c: Ditto.
7615 * pretty-print.c: Ditto.
7616 * genemit.c: Ditto.
7617 * cgraphunit.c: Ditto.
7618 * flow.c: Ditto.
7619 * df-scan.c: Ditto.
7620 * haifa-sched.c: Ditto.
7621 * dominance.c: Ditto.
7622 * dbxout.c: Ditto.
7623 * tree-ssa-loop-ivopts.c: Ditto.
7624 * df-core.c: Ditto.
7625 * mode-switching.c: Ditto.
7626 * modulo-sched.c: Ditto.
7627 * graph.c: Ditto.
7628 * ipa-pure-const.c: Ditto.
7629 * cse.c: Ditto.
7630 * fix-header.c: Ditto.
7631 * web.c: Ditto.
7632 * tree-stdarg.c: Ditto.
7633 * ipa-utils.c: Ditto.
7634 * loop-init.c: Ditto.
7635 * ipa-inline.c: Ditto.
7636 * cfganal.c: Ditto.
7637 * global.c: Ditto.
7638 * alloc-pool.c: Ditto.
7639 * dwarf2out.c: Ditto.
7640 * opts.c: Ditto.
7641 * genattrtab.c: Ditto.
7642 * tree-ssa-loop-ivcanon.c: Ditto.
7643 * predict.c: Ditto.
7644 * timevar.c: Ditto.
7645 * lcm.c: Ditto.
7646 * fortran/gfortranspec.c: Ditto.
7647 * regmove.c: Ditto.
7648 * local-alloc.c: Ditto.
7649 * langhooks.c: Ditto.
7650 * function.c: Ditto.
7651 * tree-vectorizer.c: Ditto.
7652 * gcse.c: Ditto.
7653 * ipa-type-escape.c: Ditto.
7654 * alias.c: Ditto.
7655 * tree-if-conv.c: Ditto.
7656 * profile.c: Ditto.
7657 * ipa.c: Ditto.
7658 * tree-data-ref.c: Ditto.
7659 * loop-unroll.c: Ditto.
7660 * treelang/treetree.c: Ditto.
7661 * calls.c: Ditto.
7662 * bt-load.c: Ditto.
7663 * ggc-common.c: Ditto.
7664 * except.c: Ditto.
7665 * coverage.c: Ditto.
7666 * cselib.c: Ditto.
7667 * tree-cfgcleanup.c: Ditto.
7668 * tree-ssa-pre.c: Ditto.
7669 * cfgcleanup.c: Ditto.
7670 * loop-invariant.c: Ditto.
7671 * loop-iv.c: Ditto.
7672 * ipa-prop.c: Ditto.
7673 * print-tree.c: Ditto.
7674 * conflict.c: Ditto.
7675 * ggc-page.c: Ditto.
7676 * sched-deps.c: Ditto.
7677 * regclass.c: Ditto.
7678 * tree-object-size.c: Ditto.
7679 * combine.c: Ditto.
7680 * bb-reorder.c: Ditto.
7681 * resource.c: Ditto.
7682 * var-tracking.c: Ditto.
7683 * cfgloop.c: Ditto.
7684 * df-problems.c: Ditto.
7685 * reg-stack.c: Ditto.
7686 * tlink.c: Ditto.
7687 * gccspec.c: Ditto.
7688 * sched-rgn.c: Ditto.
7689 * tree-ssa-structalias.c: Ditto.
7690 * tree-ssa-reassoc.c: Ditto.
7691 * config/darwin-c.c: Ditto.
7692 * config/darwin.c: Ditto.
7693 * config/arm/arm.c: Ditto.
7694 * cfgrtl.c: Ditto.
7695 * collect2.c: Ditto.
7696 * reload1.c: Ditto.
7698 2006-01-31 Nicolas Pitre <nico@cam.org>
7700 * arm.md (smaxsi3): Make aware of smax_m1.
7701 (smax_m1): New.
7703 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7705 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
7707 2006-01-31 Richard Guenther <rguenther@suse.de>
7709 * doc/invoke.texi (-msselibm): Document.
7710 * target.h (expand_library_builtin): New target hook.
7711 * builtins.c (expand_builtin): Use expand_library_builtin.
7712 (default_expand_library_builtin): New function.
7713 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7714 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7715 (link_gcc_math_spec): Declare.
7716 (static_specs): Add link_gcc_math_spec.
7717 * expr.h (default_expand_library_builtin): Declare.
7718 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7719 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7720 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7721 * config/i386/i386.opt (msselibm): New target option.
7722 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7723 (ix86_init_sse_abi_builtins): New function.
7724 (ix86_expand_library_builtin): Likewise.
7725 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7726 (override_options): Handle error conditions wrt -msselibm.
7727 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7728 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7729 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7730 builtins.
7732 2006-01-31 Richard Guenther <rguenther@suse.de>
7733 Paolo Bonzini <bonzini@gnu.org>
7735 * doc/install.texi (--disable-libgcc-math): Document.
7737 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7739 * expr.h (expand_normal): new inline function.
7740 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7741 * dojump.c: use it.
7742 * dwarf2out.c: use it.
7743 * expr.c: use it.
7744 * calls.c: use it.
7745 * expmed.c: use it.
7746 * except.c: use it.
7747 * config/sparc/sparc.c: use it.
7748 * config/i386/i386.c: use it.
7749 * config/rs6000/rs6000.c: use it.
7750 * config/arm/arm.c: use it.
7751 * config/mips/mips.c: use it.
7752 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7754 2006-01-30 Roger Sayle <roger@eyesopen.com>
7756 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7757 argv to the appropriate type.
7759 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7761 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7762 unreachable code.
7764 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7766 PR target/26018
7767 * config/s390/s390.c (struct machine_function): New flag
7768 decomposed_literal_pool_addresses_ok_p.
7769 (s390_reorg): Set it before final stage of literal pool transforms.
7770 (s390_decompose_address): Only accept displacements of the form
7771 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7773 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7775 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7776 the comparison routine return.
7778 2006-01-30 Michael Matz <matz@suse.de>
7780 * global.c (find_reg): Only evict for global regs.
7781 Take n_refs into account and dump more info.
7783 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7785 PR target/14798:
7786 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7787 (pragma_trap, pragma_nosave_low_regs): Likewise.
7788 (current_function_anonymous_args): Likewise.
7789 (sh_deferred_function_attributes): New variable.
7790 (sh_deferred_function_attributes_tail): Likewise.
7791 (print_operand): For '@', look up trap_exit attribute.
7792 (calc_live_regs): Look up trapa_handler attribute. For trapa
7793 handlers, save/restore fpscr, but don't do any other
7794 interrupt-specific saves.
7795 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7796 Fix check for partially saved registers to check for SHmedia.
7797 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7798 (sh_output_function_epilogue): Don't clear any of the removed
7799 variables.
7800 (sh_insert_attributes): Don't check pragma_interrupt.
7801 Insert deferred attributes. Check that interrupt attribute is
7802 present for other attributes that require its presence.
7803 (sh_attribute_table): Add new attributes trapa_handler and
7804 nosave_low_regs.
7805 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7806 Don't check for pragma_interrupt. Don't store argument.
7807 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7808 (sh_deferred_function_attributes): Declare.
7809 (sh_deferred_function_attributes_tail): Likewise.
7810 * sh.md (sp_switch_1): Add operand. Change generator caller.
7811 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7812 (*return_i): Don't use when trap_exit attribute is in effect.
7813 (*return_trapa): New insn pattern.
7814 * sh-c.c: New file.
7815 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7816 setting c_target_objs and cxx_target_objs.
7817 * t-sh: Add rule for sh-c.o.
7819 2006-01-30 Richard Guenther <rguenther@suse.de>
7821 PR c++/23372
7822 * gimplify.c (gimplify_target_expr): Handle easy cases
7823 without creating a temporary.
7825 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7827 * vec.h (safe_grow): Remove duplicated line.
7829 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7831 PR 25874
7832 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7833 (expand_omp): ... here.
7834 (expand_omp_parallel): Only remove barriers for combined
7835 parallel+workshare constructs.
7837 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7839 Revert
7841 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7842 * tree.c (build_qualified_type): Chain the new type to the original
7843 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7844 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7845 (build_pointer_type_for_mode): Only return unqualified types.
7846 (build_reference_type_for_mode): Likewise.
7848 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7850 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7851 * Makefile.in (CXX_COMPAT_WARN): Define.
7852 * configure: Regenerate.
7854 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7856 PR tree-opt/25911
7857 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7858 to an if check.
7860 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7862 * toplev.c: Fix thinko.
7864 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7865 Marcin Dalecki <martin@dalecki.de>
7867 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7868 (push_srcloc): Use XNEW.
7869 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7871 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7873 * df-core.c (df_set_blocks): Deleted all variable.
7875 2006-01-28 Ian Lance Taylor <ian@airs.com>
7877 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7878 cgraph_output_pending_asms.
7880 2006-01-28 Zack Weinberg <zackw@panix.com>
7882 * c.opt: Add -W(no-)overlength-strings.
7883 * doc/invoke.texi: Document it.
7884 * c-opts.c (c_common_handle_option): -pedantic implies
7885 -Woverlength-strings, if not explicitly disabled already.
7886 (c_common_post_options): -Woverlength-strings defaults to off, and
7887 is always off for C++.
7888 * c-common.c (fix_string_type): Issue warning about strings longer
7889 than is portable only if warn_overlength_strings. Rearrange code
7890 a little for clarity.
7891 * configure.in: Check for -Wno-overlength-strings as well before
7892 enabling -pedantic in stage 1.
7893 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7894 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7896 * genconditions.c (write_header, write_one_condition)
7897 (write_conditions, write_writer): Consolidate very long strings
7898 that were broken up to fit in C89 portable limit. Don't use
7899 printf when fputs will do.
7901 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7903 * combine.c (simplify_comparison <AND>): Check
7904 TRULY_NOOP_TRUNCATION before start using a subreg.
7906 * config/mips/mips.md (*branch_zero<mode>,
7907 *branch_zero<mode>_inverted, *branch_equality<mode>,
7908 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7909 Remove mode check from comparisons.
7911 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7913 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7915 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7917 * expmed.c (const_mult_add_overflow_p): Remove.
7918 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7920 * recog.c (validate_replace_rtx_subexp): Remove.
7921 * recog.h: Remove the prototype for
7922 validate_replace_rtx_subexp.
7924 * integrate.h: Remove the prototype for
7925 copy_decl_for_inlining.
7926 * rtl.h: Remove the prototype for mark_constant_function.
7927 * tree-vectorizer.h: Remove the prototype for
7928 vect_strip_conversion.
7930 * modulo-sched.c (create_partial_schedule,
7931 free_partial_schedule, reset_partial_schedule): Make them
7932 static.
7934 * hooks.c (hook_bool_rtx_int_false): Remove.
7935 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7937 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7939 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7940 and -mlong-double-128 are incompatible.
7941 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7942 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7943 (TARGET_LIBGCC2_CFLAGS): Define.
7944 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7945 (TARGET_LIBGCC2_CFLAGS): Same.
7946 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7948 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7950 PR c/19606.
7951 * c-typeck.c (build_binary_op): Perform implicit casts of
7952 operands before shortening them.
7954 * cfgloopmanip.c (split_loop_bb): Remove.
7955 * cfgloop.h: Remove the prototype for split_loop_bb.
7957 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7958 * cfgloop.h: Remove the prototype for
7959 flow_loop_outside_edge_p.
7961 * emit-rtl.c (init_virtual_regs): Make it static.
7962 * function.h: Remove the prototype for init_virtual_regs.
7964 * recog.c (peephole2_optimize): Make it static.
7965 * recog.h: Remove the prototype for peephole2_optimize.
7967 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7969 * df-scan.c (df_record_entry_block_defs): Check if
7970 INCOMING_RETURN_ADDR_RTX is defined.
7972 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7973 Kenneth Zadeck <zadeck@naturalbridge.com>
7975 PR rtl-optimization/24762
7976 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7977 * targhooks.c (hook_void_bitmap): New hook prototype.
7978 * targhoohs.h (hook_void_bitmap): Ditto.
7979 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7980 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7981 * target.h (live_on_entry): New function pointer.
7982 * df-scan.c (df_all_hard_regs): Removed.
7983 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7984 (df_scan_free_internal): Added df->entry_block_defs.
7985 (df_scan_alloc): Ditto.
7986 (df_scan_dump): Ditto.
7987 (df_uses_record): Plumbed flag field properly thru calls.
7988 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7989 This part fixes PR24762.
7990 (df_bb_refs_record): Added code to make the frame and arg
7991 pointers live in EH blocks.
7992 (df_refs_record): Added call to df_record_entry_block_defs.
7993 (df_record_entry_block_defs): New function.
7994 * df-core.c: Added comments to describe new artifical defs.
7995 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7996 (entry_block_defs): New field in struct df.
7997 (df_all_hard_regs): Deleted.
7998 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7999 * df-problems.c (df_ru_bb_local_compute_process_def):
8000 Added code to handle artifical defs in the entry to a function.
8001 (df_ru_bb_local_compute): Ditto.
8002 (df_rd_bb_local_compute_process_def): Ditto.
8003 (df_rd_bb_local_compute): Ditto.
8004 (df_lr_bb_local_compute): Ditto.
8005 (df_ur_bb_local_compute): Ditto.
8006 (df_urec_bb_local_compute): Ditto.
8007 (df_chain_create_bb): Ditto.
8008 (df_ur_local_finalize): Removed entry.
8009 (df_urec_init): Ditto.
8010 (df_urec_local_finalize): Ditto.
8011 (df_ri_bb_compute): Added detection of last use of pseudos.
8012 * Makefile.in (df-scan.o): Updated dependencies.
8013 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8014 * config/mips/mips.c (mips_set_live_on_entry): Added.
8015 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8016 for target hook.
8017 * dce.c (marked_insn_p): Added code to handle artifical defs.
8019 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8021 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8022 intrinsic.
8023 (_mm_cvtsi128_si64): Likewise.
8024 (_mm_cvtsd_si64): Likewise.
8025 (_mm_cvttsd_si64): Likewise.
8026 (_mm_cvtsi64_sd): Likewise.
8027 (_mm_cvtsi64_si128): Likewise.
8028 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8029 (_mm_cvtsi64_m64): Likewise.
8030 (_m_to_int64): Likewise.
8031 (_mm_cvtm64_si64): Likewise.
8032 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8033 (_mm_cvttss_si64): Likewise.
8034 (_mm_cvtsi64_ss): Likewise.
8035 (_mm_cvtss_f32): Likewise.
8037 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8039 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8040 for pragma redefine_extname.
8042 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8044 PR target/25864
8045 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8046 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8047 -mno-minimal-toc to previous content.
8048 (bispecs): Remove goal.
8049 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8050 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8051 compatibility aliases on powerpc-*-*gnu*.
8052 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8053 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8054 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8055 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8056 (ldblspecs): New goal.
8057 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8058 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8059 _df_to_tf.
8060 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8061 L_sf_to_tf or L_df_to_tf is defined.
8063 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8064 Alan Modra <amodra@bigpond.net.au>
8066 PR target/25864
8067 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8068 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8069 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8070 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8071 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8072 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8073 (rs6000_override_options): Initialize rs6000_ieeequad.
8074 Initialize TFmode format to ibm_extended_format if not
8075 TARGET_IEEEQUAD.
8076 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8077 ieeelongdouble.
8078 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8079 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8080 (function_arg_advance): IBM long double passed in two FPRs, not
8081 split.
8082 (function_arg): IBM long double passed in FPRs.
8083 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8084 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8085 Only multireg GPR aligned.
8086 (rs6000_init_libfuncs): Enable IBM long double functions if not
8087 IEEEQUAD.
8088 (rs6000_generate_compare): Use IBM long double compare if not
8089 TARGET_IEEEQUAD.
8090 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8091 (TARGET_IEEEQUAD): Define.
8092 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8093 not TARGET_IEEEQUAD.
8094 * config/rs6000/rs6000.md: Enable TFmode patterns if
8095 !TARGET_IEEEQUAD.
8096 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8097 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8098 and -mlong-double-128 are incompatible.
8099 * doc/invoke.texi (-mabi): Collect options together. Add
8100 ibmlongdouble and ieeelongdouble.
8102 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8104 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8105 opaque type.
8106 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8107 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8108 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8109 * rtl.h (rtunion_def): Remove rt_ptr.
8110 (X0PTR): Delete.
8111 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8112 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8113 * config/i386/winnt.c (i386_pe_mark_dllexport)
8114 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8116 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8118 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8120 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8122 PR other/24829
8123 PR target/24831
8124 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8125 pthread_key_delete. From John David Anglin. gthrw-ify
8126 pthread_getunique_np only if it it's not a macro. Delete
8127 UNUSED macro.
8128 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8129 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8130 __gthread_objc_condition_signal, __gthread_key_delete): Add
8131 "__attribute__ ((__unused__))" to unused arguments.
8132 (__gthread_recursive_mutex_init_function): Add missing return.
8133 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8134 gthr-posix95.h: Use macro-based approach for name redirection
8135 on targets missing weakref.
8137 2006-01-26 Zack Weinberg <zackw@panix.com>
8139 * genconditions.c (write_header): In generated code, #ifdef out
8140 all includes and fake declarations, except includes of bconfig.h
8141 and system.h, unless GCC_VERSION >= 3001. Do not include
8142 gensupport.h in any case.
8143 (write_conditions): Generate a definition of struct c_test. Add
8144 a comment to the generated #endif.
8145 (write_one_condition): Escape backslashes in string too.
8146 (write_writer): Generated code must escape backslashes and quote
8147 marks (but not newlines) in the strings it writes.
8148 * Makefile.in (build/gencondmd.o): Update dependencies.
8150 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8152 PR target/25961
8153 * Makefile.in (insn-automata.o): Add header file dependencies.
8154 * genautomata.c: Add includes.
8156 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8158 PR target/25961
8159 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8161 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8163 * configure.ac: Expect target tools paths to be passed from the toplevel
8164 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8165 AS_SET_VAR_IF.
8166 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8168 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8170 PR c/25892
8171 * c.opt (Wpointer-sign): Init to -1.
8172 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8173 OPT_pedantic, to 0 otherwise.
8174 * doc/invoke.texi: Update.
8176 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8178 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8179 constants provided by 80387 instructions in the destination mode.
8181 2006-01-26 Richard Guenther <rguenther@suse.de>
8182 Andrew Pinski <pinskia@physics.uc.edu>
8184 PR tree-opt/21470
8185 partial PR tree-opt/17064
8186 * tree-ssa-structalias.c (intra_create_variable_infos):
8187 Create heap variables for incoming parameters if
8188 flag_argument_noalias > 1.
8189 (find_what_p_points_to): Look through default defs of
8190 parameter decls.
8192 2006-01-26 Jeff Law <law@redhat.com>
8194 PR ada/25900
8195 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
8196 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
8197 within the VR_RANGE, use the VR_RANGE as the result, not the
8198 VR_ANTI_RANGE.
8199 (adjust_range_with_scev): Reject ranges from SCEV which are out of
8200 bounds for the type.
8202 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
8204 * tree-ssa-alias.c (maybe_create_global_var): Change
8205 subvar walking to an assertion that we don't have subvar'd variables.
8207 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
8209 PR C/25861
8210 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
8211 Use a new variable, inner. PARM_DECLs are always non-weak.
8213 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
8215 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
8216 --disable-checking.
8218 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
8220 * config/mips/mips.md (*clear_upper32): New combiner pattern.
8222 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
8224 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
8225 (smax_insn, smin_insn, smax_0, smin_0): New.
8227 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8229 PR target/25947
8230 * config/cris/cris.c (cris_order_for_addsi3): New function.
8231 * config/cris/cris-protos.h: Prototype it.
8232 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8233 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8234 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8235 (split for "op.S1 [rx=rx+i],ry (swapped)")
8236 (split for "op(s|u).S1 [rx=rx+i],ry")
8237 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
8238 Apply cris_order_for_addsi3 when generating addsi3 insns.
8240 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8242 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
8243 (TREE_BLOCK): Add call to EXPR_CHECK.
8245 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8247 PR 25886
8248 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
8249 * tree-pretty-print.c (dump_omp_clause): Extract from ...
8250 (dump_omp_clauses): ... here.
8251 (dump_generic_node): Handle OMP_CLAUSE.
8252 * tree.c (omp_clause_num_ops): New.
8253 (omp_clause_code_name): New.
8254 (tree_code_size): Handle OMP_CLAUSE.
8255 (tree_size): Likewise.
8256 (make_node): Document handling of OMP_CLAUSE.
8257 (tree_node_structure): Handle OMP_CLAUSE.
8258 (omp_clause_check_failed): New.
8259 (omp_clause_range_check_failed): New.
8260 (omp_clause_operand_check_failed): New.
8261 (build_omp_clause): New.
8262 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
8263 * tree.h (enum omp_clause_code): Declare.
8264 (OMP_CLAUSE_SUBCODE_CHECK): Define.
8265 (OMP_CLAUSE_RANGE_CHECK): Define.
8266 (OMP_CLAUSE_ELT_CHECK): Define.
8267 (omp_clause_check_failed): Declare.
8268 (omp_clause_operand_check_failed): Declare.
8269 (omp_clause_range_check_failed): Declare.
8270 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
8271 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
8272 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
8273 (OMP_CLAUSE_LASTPRIVATE): Likewise.
8274 (OMP_CLAUSE_IF_EXPR): Likewise.
8275 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
8276 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
8277 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
8278 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
8279 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
8280 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
8281 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
8282 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
8283 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
8284 (OMP_CLAUSE_CODE): Define.
8285 (OMP_CLAUSE_SET_CODE): Define.
8286 (OMP_CLAUSE_CODE): Define.
8287 (OMP_CLAUSE_OPERAND): Define.
8288 (struct tree_omp_clause): Declare.
8289 (union tree_node): Add field 'omp_clause'.
8290 * treestruct.def (TS_OMP_CLAUSE): Define.
8291 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8292 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
8293 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
8294 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
8295 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8296 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8297 (OMP_CLAUSE): Define.
8298 * print-tree.c (print_node): Handle OMP_CLAUSE.
8299 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
8300 * c-typeck.c: Likewise.
8301 * gimplify.c: Likewise.
8302 * c-omp.c: Likewise.
8303 * tree-nested.c: Likewise.
8304 * tree-inline.c: Likewise.
8305 * c-parser.c: Likewise.
8306 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
8307 clauses.
8309 2006-01-25 Roger Sayle <roger@eyesopen.com>
8311 PR rtl-optimization/25703
8312 * combine.c (try_combine): Handle zero_extract and strict_low_part
8313 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
8315 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
8317 * global.c: Fix comment typos.
8319 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
8321 PR target/25758
8322 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
8323 Use output_addr_const instead of assemble_name.
8325 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
8327 * Makefile.in (sched-vis.o): Update dependencies.
8328 * haifa-sched.c (sched_finish): Clear current_sched_info.
8329 * cfg.c (dump_bb_info): New, split from dump_flow_info.
8330 (dump_flow_info): Call it.
8331 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
8332 a slim RTL dump.
8333 * basic-block.h (dump_bb_info): Declare.
8334 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
8335 option, and apply options only for dump files whose TDF_RTL,
8336 TDF_TREE, or TDF_IPA bits match.
8337 * rtl.h: Declare new functions exported from sched-vis.c.
8338 * sched-vis.c: Enable also if scheduling is not used.
8339 (print_value): Print the mode of registers if not inside scheduling.
8340 (print_insn): Make it work outside the scheduler. Beautify the output
8341 a bit.
8342 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
8344 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8346 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
8347 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
8348 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
8349 depending on the value of CONSTANT_POOL_ADDRESS_P.
8350 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
8351 SYMBOL_REF_DECL.
8352 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
8353 rather than SYMBOL_REF_DECL.
8354 (rtx_constant_pool): Remove const_rtx_sym_htab.
8355 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
8356 (init_varasm_status): Don't initialize const_rtx_sym_htab.
8357 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
8358 Remove handling of const_rtx_sym_htab.
8359 (find_pool_constant): Delete.
8360 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
8361 rather than find_pool_constant.
8362 (get_pool_constant_for_function): Delete.
8363 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
8364 find_pool_constant.
8365 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
8366 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
8367 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
8368 (SYMBOL_REF_CONSTANT): New macro.
8369 (get_pool_constant_for_function): Delete.
8370 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
8371 rather than SYMBOL_REF_DECL.
8372 (i386_pe_mark_dllimport): Likewise.
8373 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
8374 rather than SYMBOL_REF_DECL.
8375 * config/darwin.c (machopic_indirect_data_reference): Likewise.
8376 (machopic_indirect_call_target): Likewise.
8378 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
8380 * flow.c (delete_noop_moves): Add missing EOL to dump message.
8382 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8384 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
8386 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
8388 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
8390 2006-01-24 David Daney <ddaney@avtrex.com>
8392 PR java/25816
8393 * configure.ac (enable_tls): New enable option.
8394 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
8395 * configure: Regenerate.
8396 * doc/install.texi (--enable-tls): Document new option.
8397 (--disable-tls): Ditto.
8399 2006-01-24 Richard Henderson <rth@redehat.com>
8401 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
8402 * alias.c (true_dependence): Respect it.
8403 (canon_true_dependence, write_dependence_p): Likewise.
8404 * builtins.c (get_builtin_sync_mem): Set it.
8406 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
8408 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
8409 efficient way.
8411 2006-01-24 DJ Delorie <dj@redhat.com>
8413 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
8414 for storing constants in single-bit bitfields.
8416 2006-01-25 Ben Elliston <bje@au.ibm.com>
8418 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
8420 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
8422 PR tree-opt/25860
8423 * tree-ssa-pre.c (phi_translate): Return NULL
8424 for AGGREGATE_TYPE's.
8426 2006-01-24 Zack Weinberg <zackw@panix.com>
8428 * genautomata.c (process_state_for_insn_equiv_partition):
8429 Use xcalloc for insn_arcs_array.
8430 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
8431 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
8433 2006-01-24 Richard Henderson <rth@redhat.com>
8435 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
8436 update all callers.
8438 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
8440 PR rtl-optimization/25890
8441 PR rtl-optimization/25905
8442 * combine.c (expand_compound_operation, expand_field_assignment):
8443 Fail if the bitfield's final position is out of bounds.
8445 2006-01-24 Ian Lance Taylor <ian@airs.com>
8447 PR middle-end/25930
8448 * cgraphunit.c (cgraph_output_in_order): Don't clear
8449 cgraph_asm_nodes until after asm strings have been output.
8451 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
8453 * fix-header.c (read_scan_file): Add new parameter imultilib when
8454 calling register_include_chains.
8456 2006-01-23 Diego Novillo <dnovillo@redhat.com>
8458 * omp-low.c: Update documentation.
8460 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8461 Daniel Berlin <dberlin@dberlin.org>
8463 PR tree-opt/25315
8464 PR tree-opt/25857
8465 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
8466 return from the function.
8468 2006-01-22 Zack Weinberg <zackw@panix.com>
8470 * rtl.def (match_code): Add second argument.
8471 * genpreds.c (write_extract_subexp): New function.
8472 (write_match_code): Add path argument. Use write_extract_subexp.
8473 (write_predicate_expr): Pass path to write_match_code.
8474 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8475 not perform a mode test.
8476 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8477 a subexpression does not constrain the top-level code set.
8478 * read-rtl.c (read_rtx_variadic): New function.
8479 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8480 * doc/md.texi: Document new notation.
8481 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8482 (cmpsi_operand): ... here, using new notation.
8484 2006-01-22 Zack Weinberg <zackw@panix.com>
8486 * varray.c: Remove GENERATOR_FILE #ifdefs.
8488 2006-01-22 Zack Weinberg <zackw@panix.com>
8490 * genautomata.c (output_reserved_units_table): Emit nothing if
8491 description->query_units_num is zero. Remove extra blank line.
8492 (output_cpu_unit_reservation_p): Short circuit
8493 if description->query_units_num is zero.
8495 2006-01-22 Zack Weinberg <zackw@panix.com>
8497 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8498 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8499 nor any of the random handful of variables that used to be necessary
8500 when this program was linked with rtlanal.o. Prune set of forward
8501 function declarations.
8502 (struct attr_desc): Remove static_p field.
8503 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8504 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8505 (attr_string): Do not read the character one past the length of
8506 the string.
8507 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8508 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8509 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8510 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8511 (make_automaton_attrs): New.
8512 (main): Do not call into genautomata. Call local gen_bypass
8513 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8514 Remove special case for insn_alts.
8515 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8516 varray.h (leftover from previous change). Prune set of forward
8517 function declarations. Remove state_alts fields from all
8518 structures. Remove state_alts_table from struct automaton.
8519 Make everything except main static. Do not maintain num_dfa_decls.
8520 Do not maintain state_alts fields of various structures.
8521 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8522 (add_arc): Remove state_alts argument. All callers updated.
8523 (output_reserved_units_table): Emit #ifdef here...
8524 (output_tables): ...not here. Don't generate state_alts tables.
8525 (expand_automata): Don't generate attributes.
8526 (write_automata): Don't generate state_alts functions.
8527 (main): New function.
8528 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8529 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8530 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8531 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8532 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8533 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8534 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8535 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8536 Delete.
8537 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8538 * genattrtab.h: Delete file.
8539 * Makefile.in (OBJS-common): Add insn-automata.o.
8540 (insn-automata.o): New rule.
8541 (simple_generated_c): Add insn-automata.c.
8542 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8543 (genprogmd): Add automata.
8544 (build/genattrtab): Needs no extra objects nor libraries.
8545 (build/genautomata): Needs build/vec.o and -lm.
8547 2006-01-22 Zack Weinberg <zackw@panix.com>
8549 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8550 (output_dfa_max_issue_rate, locked_states_num): Delete.
8551 (struct automaton): Add locked_states field.
8552 (output_dead_lock_vect): Save number of locked states in
8553 automaton->locked_states. If it is zero, don't print anything.
8554 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8555 (output_internal_dead_lock_func): Only test the dead_lock_vect
8556 for automata that have locked states.
8557 (output_statistics): Always print the number of locked states for
8558 each automaton. Calculate total number of locked states here.
8559 (write_automata): Don't call output_dfa_max_issue_rate.
8560 * genattrtab.c: Define length_unit_log as a const variable.
8561 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8562 max_insn_queue_index const.
8563 * final.c (length_unit_log): Declare const.
8564 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8566 2006-01-22 Zack Weinberg <zackw@panix.com>
8568 * genautomata.c: Include vec.h, not varray.h.
8569 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8570 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8571 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8572 VEC_* macros operating on appropriately typed vectors, or to
8573 malloced arrays when the size is known in advance. Const-ify
8574 many char* variables and function arguments. No functional changes.
8575 * Makefile.in (build/varray.o): Delete rule.
8576 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8577 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8579 2006-01-22 Zack Weinberg <zackw@panix.com>
8581 * gensupport.c: Define get_insn_name and record_insn_name here.
8582 (read_md_rtx): Call record_insn_name as appropriate.
8583 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8584 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8585 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8586 record_insn_name.
8587 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8588 (BUILD_VARRAY): Delete.
8589 (genprognormal): Rename genprogmd. Fold in all programs from
8590 genprognoprint; also attrtab.
8591 (build/genattrtab): Just mention genautomata.o and varray.o.
8592 Reorganize a bit, add comments to make the categories clearer.
8594 2006-01-22 Zack Weinberg <zackw@panix.com>
8596 * genconditions.c (condition_table, add_condition): Delete.
8597 (write_conditions): Don't emit n_insn_conditions nor
8598 insn_elision_unavailable. Issue the gcc version #ifdef here,
8599 inside the table, with no #else clause ...
8600 (write_header): ...not here.
8601 (write_writer): New function.
8602 (main): Don't initialize condition_table. Use add_c_test.
8603 Call write_writer.
8604 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8605 files on the command line.
8606 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8607 Return -1 if there is no entry in the table, don't abort.
8608 (add_c_test, traverse_c_tests): New functions.
8609 * gensupport.h (insn_elision_unavailable, insn_conditions)
8610 (n_insn_conditions): Delete declarations.
8611 (add_c_test, traverse_c_tests): Declare.
8612 * read-rtl.c: Include gensupport.h.
8613 (read_conditions): New function.
8614 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8615 (read_rtx_1): If we get EOF when we were looking for an initial
8616 open paren, return 0. Call read_conditions when appropriate.
8617 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8618 dummy-conditions.o. Eliminate references to insn-conditions.o,
8619 or change them to build/gencondmd.o, as appropriate. Remove
8620 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8621 from $(simple_generated_c). For all files remaining in those
8622 two lists, add insn-conditions.md to the generator command line.
8623 Give insn-constants.h/s-constants their own rules. Add rules
8624 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8625 (build/read-rtl.o): Depend on gensupport.h.
8626 (genprognormal): Include preds.
8627 (genprogearly): Rename genprognoprint; only difference is now that
8628 they don't link with $(BUILD_PRINT).
8629 * dummy-conditions.c: Delete.
8631 2006-01-22 Zack Weinberg <zackw@panix.com>
8633 * genextract.c: Don't include insn-config.h. Do include vec.h.
8634 Declare vectors of int, char, and locstr.
8635 (locstr): New typedef.
8636 (struct extraction): Make all array fields into bare pointers.
8637 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8638 (insn_code_number): Delete.
8639 (accum_extract): New struct.
8640 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8641 (gen_insn): Take insn_code_number as an argument. Use an
8642 accum_extract structure instead of loading data directly into
8643 a struct extraction, and having to know how big it might get.
8644 (walk_rtx): Operate entirely on an accum_extract structure.
8645 (print_path): Avoid unnecessary use of printf.
8646 (print_header): New function, split out of main. Distinguish
8647 more carefully between an unrecognizable insn and an insn that
8648 has the code number of a define_expand.
8649 (main): Pass insn_code_number to gen_insn. Call print_header
8650 only after parsing. Avoid unnecessary use of printf.
8651 * Makefile.in (build/vec.o): New rule.
8652 (build/genextract): Depend on build/vec.o.
8653 (build/genextract.o): Don't depend on insn-config.h.
8655 2006-01-22 Zack Weinberg <zackw@panix.com>
8657 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8658 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8659 practical. Eliminate per-generator-program link rules.
8661 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8663 PR middle-end/24437
8664 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8665 with a call expr to ...
8666 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8668 2006-01-23 Richard Guenther <rguenther@suse.de>
8670 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8671 before make_edge with conditional EDGE_TRUE_VALUE.
8673 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8674 Jan Hubicka <jh@suse.cz>
8675 Richard Guenther <rguenther@suse.de>
8677 PR rtl-optimization/25654
8678 * cfgexpand.c (aggregate_contains_union_type): New function.
8679 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8680 for structure variables that contain a union type.
8682 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8684 * gengtype.c (new_structure): Return the structure.
8685 (create_option): Add an extra "next" argument.
8686 (create_field): New function.
8687 (adjust_field_rtx_def): Use create_option and create_field.
8688 Remove a now-unnecessary call to find_structure.
8689 (adjust_field_tree_def): Likewise.
8690 (note_yacc_type): Remove an unnecessary call to find_structure.
8691 * gengtype.h (new_structure): Return the structure.
8692 (create_option): Add an extra argument.
8693 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8694 (option): Adjust calls to create_option.
8696 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8698 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8700 2006-01-22 Paul Brook <paul@codesourcery.com>
8701 Peter Barada <peter@the-baradas.com>
8703 * config/m68k/m68k.md: Add Coldfire FPU support.
8704 Define FP mode macro and associated attributes.
8705 Use it for float mode patterns.
8706 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8707 (LIBCALL_VALUE): Use m68k_libcall_value.
8708 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8709 (m68k_function_value): Ditto.
8710 (emit_move_sequence): Ditto.
8711 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8712 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8713 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8714 (MULTILIB_EXCEPTIONS): Ditto.
8715 * config/m68k/m68k.opt: Add mcfv4e.
8716 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8717 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8718 (m68k_output_function_prologue): Save ColdFire FPU registers.
8719 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8720 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8721 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8722 ColdFire FPU registers.
8723 (m68k_libcall_value, m68k_function_value): New functions.
8724 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8725 (LIBCALL_VALUE): Use m68k_libcall_value.
8726 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8727 (MASK_COLDFIRE): Add MASK_CFV4E.
8728 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8729 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8730 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8731 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8732 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8733 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8734 * doc/invoke.tex: Document -mcfv4e on m68k.
8736 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8738 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8739 URL.
8741 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8743 PR c++/16190
8744 * c-opts.c (c_common_handle_option): Don't include
8745 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8746 * doc/invoke.texi (C++ Dialect Options): Document that
8747 -Wnon-virtual-dtor is no longer included in -Wall.
8749 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8751 * gcov.c (print_version), gcov-dump.c (print_version),
8752 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8753 dates.
8755 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8757 * df-scan.c (problem_SCAN): Added NULL reset function.
8758 (df_scan_reset_blocks): Added code to call reset block function
8759 (df_bb_refs_delete) Fixed comment.
8760 (df_insn_refs_delete): Made tolerant of deleting non existent info
8761 for dataflow problems that need to be reset.
8762 * df-core.c (df_set_blocks): Ditto.
8763 * df.h (struct df_problem): Added reset_fun.
8764 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8765 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8766 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8767 functions to clear out all references to def-use or use-def chains.
8769 2006-01-21 Ben Elliston <bje@au.ibm.com>
8771 * varasm.c (assemble_real): Initialise data array.
8773 2006-01-20 Paul Brook <paul@codesourcery.com>
8775 Merge from csl-arm-branch.
8776 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8777 * config/arm/arm.md (movdi): Force operands[1] to a register
8778 if we have a non-register source.
8779 (*arm_movdi, *movdf_soft_insn): Require that one of the
8780 operands be a register.
8781 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8782 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8784 2006-01-20 DJ Delorie <dj@redhat.com>
8786 * varasm.c (initialize_constant_valid_p): Allow pointers
8787 initialized from integer constants of lesser precision.
8788 (output_constant): Allow non-int-sized pointer modes to be
8789 initialized from integer constants.
8791 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8793 PR libstdc++/25524
8794 * cppdefault.h (struct default_include): Add multilib flag.
8795 * cppdefault.c (cpp_include_defaults): Set it.
8796 * c.opt (-imultilib): New option.
8797 * c-opts.c (imultilib): New.
8798 (c_common_handle_option): Handle -imultilib.
8799 (c_common_post_options): Likewise.
8800 * c-incpath.c (add_standard_paths, register_include_chains):
8801 Likewise.
8802 * c-incpath.h (register_include_chains): Add extra parameter.
8803 * gcc.c (do_spec_1): Generate -imultilib option.
8804 (The Specs Language): Update %I description.
8805 (process_command): Update copyright notice.
8806 * doc/cppopts.texi (-imultilib): Document.
8807 * doc/invoke.texi (-imultilib): Include in option summary.
8808 (%I): Update specs documentation.
8810 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8812 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8814 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8816 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8817 label numbers.
8819 2006-01-20 Richard Guenther <rguenther@suse.de>
8820 Steven Bosscher <stevenb.gcc@gmail.com>
8822 PR rtl-optimization/24626
8823 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8824 EDGE_TRUE_VALUE if in RTL mode.
8826 Revert
8827 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8828 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8830 2006-01-20 Dirk Mueller <dmueller@suse.com>
8832 PR c++/5520
8833 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8834 instead of a special NOP marker.
8835 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8836 NOP marker handling.
8837 * c-common.h (empty_body_warning): Add forward declaration.
8838 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8839 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8841 2006-01-20 Paul Brook <paul@codesourcery.com>
8843 * Makefile.in (lang_checks): Keep going if mkdir fails.
8845 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8847 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8848 be able to clean out basic block when not necessary.
8849 (df_scan_free): Fixed to properly delete information if df is
8850 unused before calling df_finish.
8851 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8852 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8853 or comment typos.
8854 (df_bb_refs_delete): New function.
8855 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8856 * df-core.c (df_set_blocks): Added code to properly clean out
8857 unused blocks if they are not part of the blocks to consider.
8858 Added additional null check.
8859 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8860 be able to clean out basic block when not necessary
8861 * df.h (df_free_bb_function): Ditto.
8862 (df_bb_refs_delete): New function.
8863 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8864 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8865 basic block parameter to be able to clean out basic block when not
8866 necessary.
8867 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8868 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8869 Fixed to properly delete information if df is unused before
8870 calling df_finish.
8872 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8874 PR rtl-optimization/25799
8875 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8876 Corrected confluence operator to remove bits from op2 before oring
8877 with op1 rather than removing bits from op1.
8878 (df_ru_transfer_function): Corrected test on wrong bitmap which
8879 caused infinite loop. Both of these problems were introduced in
8880 the dataflow rewrite.
8882 2006-01-19 DJ Delorie <dj@redhat.com>
8884 * reload1.c (find_reload_regs): Note the details of reload
8885 failures in the dump file.
8886 (spill_failure): Likewise.
8888 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8890 * loop-iv.c: Include df.h and hashtab.h.
8891 (enum iv_grd_result): New enum.
8892 (DF_REF_IV, DF_REF_IV_SET): New macros.
8893 (struct biv_entry): New.
8894 (df, bivs): New global variables.
8895 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8896 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8897 Removed.
8898 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8899 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8900 analyzed_for_bivness_p, record_biv): New functions.
8901 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8902 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8903 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8904 UD chains.
8905 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8906 analysed.
8907 (iv_number_of_iterations): Use new interface to iv analysis.
8908 * loop-unroll.c: Do not include varray.h.
8909 (analyze_iv_to_split_insn): Use new interface to iv
8910 analysis.
8911 * loop-unswitch.c (may_unswitch_on): Ditto.
8912 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8913 allocated.
8914 (df_bb_modify): Realloc tables to the new index.
8915 (df_find_use): New function.
8916 * df.h (df_find_use): Declare.
8917 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8918 outmode.
8919 * cfgloop.h (struct rtx_iv): Remove analysed field.
8920 (iv_get_reaching_def): Removed.
8921 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8922 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8923 (loop-iv.o): Add df.h and hashtab.h dependency.
8924 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8926 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8928 PR target/25668
8929 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8930 Double TFmode.
8931 (__floatundisf, __floatundidf): Likewise.
8932 * libgcc2.h (IS_IBM_EXTENDED): Define.
8934 2006-01-19 DJ Delorie <dj@redhat.com>
8936 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8938 2006-01-19 Paul Brook <paul@codesourcery.com>
8940 * config/arm/arm.c (arm_compute_func_type): Treat all functions
8941 as nothrow when unwinding tables are disabled.
8943 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8945 PR testsuite/25171
8946 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8947 of bit-field" when in system header.
8949 2006-01-19 DJ Delorie <dj@redhat.com>
8951 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8952 the 16 bit shift limit of the m16c.
8954 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8956 PR target/22099
8957 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8958 * config/i386/i386.c (output_set_got): Output the label if we have one
8959 for the TARGET_DEEP_BRANCH_PREDICTION case.
8961 2006-01-19 Jan Hubicka <jh@suse.cz>
8962 H.J. Lu <hongjiu.lu@intel.com>
8963 Evandro Menezes <evandro.menezes@amd.com>
8965 * invoke.texi (generic): Document
8966 (i686) Update.
8967 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8968 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8969 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8970 (x86_use_incdec, x86_pad_returns): New variables
8971 (TARGET_CPU_DEFAULT_generic): New constant
8972 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8973 (enum processor_type): Add generic32 and generic64.
8974 * i386.md (cpu attribute): Add generic32/generic64
8975 (movhi splitter): Behave sanely when both partial_reg_dependency and
8976 partial_reg_stall are set.
8977 (K8 splitters): Enable for generic as well.
8978 * predicates.md (incdec_operand): Use TARGET_INCDEC
8979 (aligned_operand): Avoid memory mismatch stalls.
8980 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8981 * ppro.md: Enable for generic32
8982 * i386.c (generic64_cost, generic32_cost): New.
8983 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8984 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8985 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8986 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8987 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8988 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8989 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8990 x86_accumulate_outgoing_args, x86_prologue_using_move,
8991 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8992 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8993 Enable for generic.
8994 (x86_use_incdec, x86_pad_returns): New.
8995 (override_options): Add generic32 and generic64, translate "generic"
8996 to generic32/generic64 and "i686" to "generic32", refuse
8997 "generic32"/"generic64" as arch target.
8998 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8999 (ix86_reorg): Honor PAD_RETURNS.
9001 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9003 * tree-pretty-print.c (dump_generic_node): Handle
9004 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9005 * cgraph.c (cgraph_expand_queue): Rename from
9006 cgraph_analyze_queue. Update all users.
9007 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9008 cgraph_expand_queue.
9009 (cgraph_expand_all_functions): Likewise.
9010 (cgraph_finalize_pending_functions): Remove. Update callers.
9012 * tree.h (OMP_DIRECTIVE_P): Define.
9013 (OMP_PARALLEL_FN): Define.
9014 (OMP_PARALLEL_DATA_ARG): Define.
9015 (OMP_SECTIONS_SECTIONS): Define.
9016 * tree-pass.h (pass_expand_omp): Declare.
9017 * omp-low.c (struct omp_region): Declare.
9018 (struct omp_context): Remove fields 'parallel_type',
9019 'parallel_start_ix' and 'parallel_start_additional_args'.
9020 Update all users.
9021 (struct omp_for_data): Rename from struct expand_omp_for_data.
9022 (omp_regions): New static variable.
9023 (root_omp_region): New static variable.
9024 (find_omp_clause): Make static.
9025 (is_in_combined_parallel_ctx): Remove.
9026 (is_combined_parallel): New.
9027 (extract_omp_for_data): Move earlier in the file.
9028 (workshare_safe_to_combine_p): New.
9029 (get_ws_args_for): New.
9030 (determine_parallel_type): Move earlier in the file.
9031 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9032 child function.
9033 (omp_copy_decl): Likewise.
9034 (create_omp_child_function): Likewise.
9035 (lookup_omp_region): New.
9036 (dump_omp_region): New.
9037 (debug_omp_region): New.
9038 (debug_all_omp_regions): New.
9039 (new_omp_region): New.
9040 (scan_omp_parallel): If parallel_nesting_level > 1, the
9041 directive is nested within another parallel directive.
9042 Set OMP_PARALLEL_FN.
9043 (scan_omp_for): Do not try to handle combined parallel+for
9044 cases.
9045 Remove FIXME comment.
9046 (scan_omp_nested): Remove.
9047 (scan_omp_1): Do not call scan_omp_nested when
9048 parallel_nesting_level is > 1.
9049 Do not change the DECL_CONTEXT of local variables found.
9050 (lookup_decl_in_outer_ctx): New.
9051 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9052 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9053 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9054 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9055 If CTX is nested, lookup VAR in the outer context when
9056 building copy assignment.
9057 (lower_send_clauses): Rename from expand_send_clauses.
9058 If CTX is nested, lookup VAR in the outer context when
9059 building copy assignments.
9060 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9061 If CTX is nested, lookup VAR in the outer context when
9062 building copy assignments.
9063 (expand_parallel_call): Rename from build_parallel_call.
9064 Handle combined parallel+workshare cases.
9065 Re-implement to emit code into the CFG.
9066 (list2chain): New.
9067 (expand_omp_parallel): Re-implement to emit code into the CFG.
9068 Call move_sese_region_to_fn to outline the sub-graph
9069 containing the parallel region.
9070 (expand_omp_for_1): Remove.
9071 (expand_omp_for_generic): Re-implement to emit code into the
9072 CFG.
9073 (expand_omp_for_static_nochunk): Likewise.
9074 (expand_omp_for_static_chunk): Likewise.
9075 (expand_omp_for): Likewise.
9076 (expand_omp_sections): Likewise.
9077 (remove_exit_barriers): New.
9078 (expand_omp_synch): New.
9079 (expand_omp): New.
9080 (build_omp_regions_1): New.
9081 (build_omp_regions): New.
9082 (execute_expand_omp): New.
9083 (gate_expand_omp): New.
9084 (pass_expand_omp): Define.
9085 (lower_omp_sections): Rename from expand_omp_sections.
9086 Set OMP_SECTIONS_SECTIONS.
9087 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9088 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9089 (lower_omp_single): Rename from expand_omp_simple.
9090 (lower_omp_master): Rename from expand_omp_master.
9091 (lower_omp_ordered): Rename from expand_omp_ordered.
9092 (lower_omp_critical): Rename from expand_omp_critical.
9093 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9094 (lower_omp_for): Re-implement.
9095 (lower_omp_parallel): Re-implement.
9096 (lower_regimplify): Rename from expand_regimplify.
9097 (lower_omp_1): Rename from expand_omp_1.
9098 If there are syntax errors in the program, replace every
9099 OpenMP directive with NOP.
9100 Call lower_omp_* instead of expand_omp_*.
9101 (lower_omp): Rename from expand_omp.
9103 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9104 * tree-gimple.h (enum omp_parallel_type): Remove.
9105 (gimple_boolify): Declare extern.
9106 (find_omp_clause, determine_parallel_type): Remove.
9108 * gimple-low.c (lower_omp_directive): New.
9109 (lower_stmt): Call it.
9110 (record_vars_into): Move from ...
9111 (record_vars): ... here.
9112 Call record_vars_into with current_function_decl.
9114 * gimplify.c (struct gimplify_ctx): Remove fields
9115 combined_pre_p and combined_ctxp. Update users.
9116 (get_formal_tmp_var): Add documentation.
9117 (gimple_boolify): Make extern.
9118 (gimplify_expr_in_ctx): Remove. Update callers.
9119 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9120 will always be a BIND_EXPR.
9121 (gimplify_expr): Handle OMP_RETURN_EXPR.
9122 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9123 (OMP_PARALLEL): Add 3 operands.
9124 (OMP_SECTIONS): Add 1 operand.
9125 (OMP_RETURN_EXPR): Define.
9127 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9128 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9129 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9130 creating a circular free list.
9131 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9133 * tree-flow.h (move_sese_region_to_fn): Declare.
9134 (record_vars_into): Declare.
9135 * tree-cfg.c (make_omp_sections_edges): New.
9136 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9137 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9138 OMP_SECTIONS and OMP_SECTION.
9139 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9140 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9141 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9142 (gather_blocks_in_sese_region): New.
9143 (struct move_stmt_d): Declare.
9144 (move_stmt_r): New.
9145 (move_block_to_fn): New.
9146 (move_sese_region_to_fn): New.
9148 * passes.c (init_optimization_passes): Schedule
9149 pass_expand_omp after pass_init_datastructures.
9151 * tree-ssa-operands.c (get_expr_operands): Handle
9152 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9153 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9155 2006-01-19 Jeff Law <law@redhat.com>
9157 * tree-vrp.c (extract_range_from_assert): Refine the result range
9158 if the variable referenced by the ASSERT_EXPR has a range and
9159 either the tentative result range or the previous range is a
9160 VR_ANTI_RANGE.
9162 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9164 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9166 2006-01-19 Jan Hubicka <jh@suse.cz>
9168 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9170 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9172 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9173 (expand_compound_operation, expand_field_assignment): Fail if the
9174 bit lengths of an extract operation are out of range.
9175 (make_extraction): Compute wanted_inner_mode based on the position
9176 and length of the extraction. Make it extraction_mode for non-constant
9177 positions, and do not modify offset in that case. When generating a
9178 new MEM, use a mode that can hold the extraction while keeping correct
9179 alignment. Remove code that supported MEMs wrapped by USEs.
9180 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9182 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9184 * config/s390/s390.md ("Y", "y"): New mode attribute.
9185 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9186 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9187 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
9188 "*addsi3_imm_cc", "*addsi3_carry1_cc",
9189 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
9190 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
9191 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
9192 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
9193 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
9194 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
9195 "addsi3", "subsi3"): Insn patterns removed.
9196 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
9197 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
9198 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
9199 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
9200 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
9201 "*sub<mode>3_cconly2"): New insn patterns.
9202 ("addsi3", "subsi3"): New expanders.
9204 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
9206 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
9207 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
9208 existing STMT_VINFO_VECTYPE if available.
9209 (vect_mark_relevant): Add special handling for stmts that are
9210 marked as STMT_VINFO_IN_PATTERN_P.
9211 (vect_analyze_loop): Call vect_pattern_recog.
9212 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
9213 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
9214 stmt_info.
9215 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
9216 (vect_recog_func_ptr): New function-pointer type.
9217 * tree-vect-patterns.c: New file.
9218 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
9219 (vect_recog_dot_prod_pattern, vect_pattern_recog):
9220 (vect_pattern_recog_1): New functions.
9221 (vect_pattern_recog_funcs): New array of function pointers.
9223 * tree-vectorizer.h (ternary_op): New enum value.
9224 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
9225 declaration. Revised documentation. Removed redundant dump prints.
9226 Removed redundant argument. Added support for reduction patterns.
9227 (vectorizable_reduction): Added support for reduction patterns.
9228 (vect_transform_stmt): Added support for patterns.
9230 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9231 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9232 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9233 (expand_widen_pattern_expr): New function.
9234 (init_optabs): Initialize new optabs udot_prod_optab,
9235 sdot_prod_optab.
9236 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
9237 (sdot_prod_optab, udot_prod_optab): Define new optabs.
9238 (expand_widen_pattern_expr): New function declaration.
9239 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
9240 tree-codes.
9241 * tree-inline.c (estimate_num_insns_1): Added cases for new
9242 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9243 * tree-pretty-print.c (dump_generic_node): Likewise.
9244 (op_prio): Likewise.
9245 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9246 * tree-ssa-operands.c (get_expr_operands): Added case for
9247 DOT_PROD_EXPR.
9248 * tree-vect-patterns.c (widened_name_p): New function.
9249 (vect_recog_dot_prod_pattern): Added function implementation.
9250 * tree-vect-transform.c (get_initial_def_for_reduction): Added
9251 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
9252 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
9253 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
9255 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
9256 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
9257 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
9258 (init_optabs): Initialize new optabs widen_ssum_optab,
9259 widen_usum_optab.
9260 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
9261 (widen_ssum_optab, widen_usum_optab): Define new optabs.
9262 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
9263 use instead of type of def.
9264 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
9265 function implementation.
9266 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
9267 widen_ssumv8hi): New.
9269 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
9270 patterns.
9272 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9274 PR c/25805
9275 * c-decl.c (add_flexible_array_elts_to_size): New function.
9276 (finish_decl): Use it.
9278 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
9280 * diagnostic.h: Include options.h.
9281 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
9282 dependancies for diagnostic.h.
9283 * Makefile.in (DIAGNOSTIC_H): Add options.h.
9285 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
9287 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
9288 (ssa_ro_call_cache_valid): Ditto.
9289 * tree-ssa-alias.c (sort_tags_by_id): New function.
9290 (init_transitive_clobber_worklist): Ditto.
9291 (add_to_worklist): Ditto.
9292 (mark_aliases_call_clobbered): Ditto.
9293 (compute_tag_properties): Ditto.
9294 (set_initial_properties): Ditto.
9295 (compute_call_clobbered): Ditto.
9296 (compute_may_aliases): Call compute_call_clobbered and grouping.
9297 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9298 (compute_flow_insensitive_aliasing): Grouping now happens in our
9299 caller.
9300 (setup_pointers_and_addressables): Remove clobbering related code.
9301 (add_may_alias): Ditto.
9302 (replace_may_alias): Ditto.
9303 (get_nmt_for): Ditto.
9304 (create_global_var):
9305 (is_escape_site): Return an escape_type enumeration.
9306 * tree-flow-inline.h (is_call_clobbered): Global var does not
9307 imply call clobbered.
9308 (mark_call_clobbered): Take a reason for marking this. Remove
9309 marking of globalness, and cache invalidation.
9310 (clear_call_clobbered): Remove cache invalidation code.
9311 * tree-dfa.c (dump_variable): If details is on, dump the reason
9312 for escaping.
9313 * tree-outof-ssa.c (create_temp): Copy escape mask from original
9314 variable.
9315 * tree-flow.h (struct ptr_info_def): Add escape mask member.
9316 (struct var_ann_d): Ditto.
9317 (enum escape_type): New.
9318 (mark_call_clobbered): Adjust prototype.
9319 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
9320 are never call clobbered.
9321 Record reasons for escaping.
9322 * tree-ssa-structalias.h (is_escape_site): Update prototype.
9323 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
9324 (ssa_ro_call_cache_valid): Ditto.
9325 (clobbered_v_may_defs): Ditto.
9326 (clobbered_vuses): Ditto.
9327 (ro_call_vuses): Ditto.
9328 (clobber_stats): New.
9329 (init_ssa_operands): Zero out clobber stats.
9330 (fini_ssa_operands): Print out clobber stats.
9331 (get_call_expr_operands): Pass callee fndecl to
9332 add_call_read_ops).
9333 (add_call_clobber_ops): Remove use of cache.
9334 Add use of PURE_CONST information.
9335 (add_call_read_ops): Remove use of cache.
9336 Add use of static not_read information.
9338 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
9340 Introduce TLS descriptors for i386 and x86_64.
9341 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
9342 (TARGET_ANY_GNU_TLS): New macro.
9343 (enum tls_dialect): Added TLS_DIALECT_GNU2.
9344 (struct machine_function): Add tls_descriptor_call_expanded_p.
9345 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
9346 (ix86_current_function_calls_tls_descriptor): Likewise.
9347 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
9348 (override_options): Introduce gnu2 tls dialect.
9349 (ix86_frame_pointer_required): Functions containing TLSCALLs are
9350 not leaves.
9351 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
9352 Likewise.
9353 (legitimize_tls_address): Adjust logic for GNU2 TLS.
9354 (ix86_init_machine_status): Initialize new field.
9355 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
9356 (ix86_tls_module_base): New.
9357 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
9358 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
9359 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
9360 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
9361 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
9362 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
9363 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
9364 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
9365 * config/i386/predicates.md (tls_modbase_operand): New.
9366 (tp_or_register_operand): New.
9368 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
9370 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
9371 (look_for_address_of): Ditto.
9372 (ipa_init): Walk the function decls.
9373 (static_execute): Don't set readonly on FUNCTION_DECL's.
9375 2006-01-18 Roger Sayle <roger@eyesopen.com>
9377 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
9378 for shifts where the source and destination registers are different.
9380 2006-01-18 Paul Brook <paul@codesourcery.com>
9382 Merge from csl-arm-branch.
9383 2005-03-14 Julian Brown <julian@codesourcery.com>
9384 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
9385 (aeabi_llsl): Likewise.
9386 (ashrdi3): Likewise.
9387 (aeabi_lasr): Likewise.
9388 (lshrdi3): Likewise.
9389 (aeabi_llsr): Likewise.
9390 2005-03-10 Julian Brown <julian@codesourcery.com>
9391 * config.gcc: Disable shared libgcc for SymbianOS.
9392 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
9394 2006-01-18 DJ Delorie <dj@redhat.com>
9396 * c-pragma.c (handle_pragma_diagnostic): New.
9397 (init_pragma): Register it.
9398 * doc/extend.texi: Document it.
9400 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
9401 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
9402 (diagnostic_context): Add classify_diagnostic[].
9403 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
9404 as errors if they're overridden to DK_WARNING.
9405 (diagnostic_initialize): Initialize classify_diagnostic[].
9406 (diagnostic_set_kind_override): New.
9407 (diagnostic_report_diagnostic): Check for kind changes.
9408 * opts.c (common_handle_option): Take lang_mask. Update callers.
9409 Handle OPT_Werror_.
9410 * common.opt (Werror=): New.
9411 * doc/invoke.texi: Document -Werror=*
9413 2006-01-18 Jeff Law <law@redhat.com>
9415 * tree-vrp.c (test_for_singularity): Correct test for new
9416 min limit. Use operand_equal_p rather than pointer equality
9417 for testing if new min/max values are equal.
9419 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
9420 using range information until after propagation and folding.
9422 2006-01-18 Richard Henderson <rth@redhat.com>
9423 Aldy Hernandez <aldyh@redhat.com>
9424 Jakub Jelinek <jakub@redhat.com>
9425 Diego Novillo <dnovillo@redhat.com>
9427 * omp-low.c: New file.
9428 * c-omp.c: New file.
9430 2006-01-18 Richard Henderson <rth@redhat.com>
9431 Jakub Jelinek <jakub@redhat.com>
9432 Diego Novillo <dnovillo@redhat.com>
9434 * doc/invoke.texi: Document -fopenmp.
9435 * tree-dump.h (debug_function): Declare.
9436 * hooks.c (hook_bool_tree_bool_false): New function.
9437 (hook_tree_tree_null): Remove.
9438 (hook_tree_tree_tree_null): New.
9439 * hooks.h: Update to match.
9440 * tree-pretty-print.c (debug_tree_chain): New.
9441 (print_generic_expr): Handle TDF_CHAIN.
9442 (dump_generic_node): Handle BLOCK.
9443 Do not abort with incomplete SWITCH_EXPRs.
9444 Do not dump body of an OpenMP directive if TDF_SLIM is given.
9445 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
9446 print space after directive name.
9447 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
9448 Handle OMP_MASTER and OMP_ORDERED.
9449 Handle printing of OMP_BODY just in one place, goto
9450 dump_omp_body in the rest of OMP_* nodes that have
9451 OMP_BODY.
9452 Don't handle clause nodes here. Update omp statements to
9453 use dump_omp_clauses.
9454 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
9455 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
9456 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
9457 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
9458 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
9459 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
9460 Adjust output for GOMP_PARALLEL.
9461 (dump_omp_clauses): New.
9462 (print_declaration): Dump DECL_VALUE_EXPR.
9463 (op_symbol_1): Split out of op_symbol.
9464 (dumping_stmts): Remove. Update all users.
9465 * cgraph.c (cgraph_analyze_queue): New.
9466 (cgraph_add_new_function): New.
9467 * cgraph.h (cgraph_analyze_queue): Declare.
9468 (cgraph_add_new_function): Declare.
9469 (cgraph_lower_function): Remove.
9470 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
9471 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9472 and TYPE_P nodes in its default clause.
9473 (empty_body_p): New.
9474 (tree_range_check_failed): New.
9475 (build5_stat): New.
9476 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9477 OMP_CLAUSE_REDUCTION_MERGE,
9478 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9479 OMP_CLAUSE_PRIVATE_DEBUG,
9480 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9481 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9482 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9483 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9484 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9485 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9486 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9487 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9488 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9489 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9490 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9491 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9492 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9493 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9494 (TREE_RANGE_CHECK): New.
9495 (empty_body_p): Declare.
9496 (enum omp_clause_default_kind): New.
9497 (build_string_literal): Declare.
9498 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9499 (build5_stat, build5): Declare.
9500 * tree-pass.h (TDF_CHAIN): Define.
9501 * tree-pass.h (PROP_gimple_lomp): Define.
9502 (pass_lower_omp): Declare.
9503 * diagnostic.h (debug_tree_chain): Declare.
9504 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9505 mode_for_size.
9506 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9507 * builtins.c (build_string_literal): Make extern.
9508 * gcc.c (include_spec_function): New.
9509 (static_spec_functions): Add it.
9510 (main): Move load of libgomp.spec ...
9511 (LINK_COMMAND_SPEC): ... here.
9512 (link_gomp_spec): New.
9513 (static_specs): Include it.
9514 (LINK_COMMAND_SPEC): Add link_gomp.
9515 (GOMP_SELF_SPECS): New.
9516 (driver_self_specs): Include it.
9517 (switch_matches): Don't mark inline.
9518 (main): Load libgomp.spec.
9519 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9520 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9521 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9522 * tree-gimple.h (enum omp_parallel): Declare.
9523 (determine_parallel_type): Declare.
9524 (omp_firstprivatize_variable): Declare.
9525 (omp_reduction_init): Declare.
9526 (diagnose_omp_structured_block_errors): Declare.
9527 (struct walk_stmt_info): Add want_return_expr.
9528 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9529 (find_omp_clause): Declare.
9530 (insert_field_into_struct): Declare.
9531 (struct walk_stmt_info): Move from tree-nested.c
9532 (walk_stmts): Declare.
9533 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9534 to 200505.
9535 * cgraphunit.c (cgraph_lower_function): Make static.
9536 (cgraph_finalize_pending_functions): New.
9537 (cgraph_finalize_function): Call it.
9538 (cgraph_finalize_compilation_unit): Likewise.
9539 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9540 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9541 (BT_FN_UINT_UINT): New.
9542 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9543 DEF_FUNCTION_TYPE_VAR_4): Document.
9544 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9545 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9546 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9547 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9548 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9549 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9550 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9551 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9552 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9553 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9554 into separate files.
9555 (DEF_GOMP_BUILTIN): New.
9556 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9557 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9558 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9559 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9560 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9561 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9562 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9563 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9564 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9565 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9566 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9567 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9568 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9569 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9570 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9571 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9572 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9573 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9574 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9575 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9576 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9577 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9578 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9579 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9580 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9581 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9582 * sync-builtins.def: New file, moved from builtins.def.
9583 * omp-builtins.def: New file, moved from builtins.def.
9584 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9585 * gimple-low.c (lower_function_body): Clear data.
9586 (lower_stmt): Do not handle COMPOUND_EXPR.
9587 Remove call to print_node_brief.
9588 * c-tree.h (c_finish_omp_clauses): New prototype.
9589 (C_DECL_THREADPRIVATE_P): Define.
9590 (lookup_name_no_remap, c_omp_remap_private): Remove
9591 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9592 (check_for_loop_decls): Update decl.
9593 (lookup_name_no_remap, c_omp_remap_private): Declare.
9594 (build_indirect_ref, build_modify_expr, pushdecl,
9595 pushdecl_top_level): Move to c-common.h.
9596 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9597 before the switch, but just in the 2 places that need it.
9598 * c-decl.c (diagnose_mismatched_decls): Do not check for
9599 mismatched thread-local attributes when OLDDECL is marked
9600 threadprivate and NEWDECL has no thread-local attributes.
9601 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9602 (c_gimple_diagnostics_recursively): Rename from
9603 c_warn_unused_result_recursively. Invoke
9604 diagnose_omp_structured_block_errors.
9605 (check_for_loop_decls): Return a singular decl found.
9606 * langhooks.c (lhd_omp_predetermined_sharing): Return
9607 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9608 (lhd_omp_firstprivatize_type_sizes): New.
9609 (lhd_omp_assignment): New.
9610 (lhd_omp_predetermined_sharing): New.
9611 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9612 (struct lang_hooks_for_types): Add
9613 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9614 omp_predetermined_sharing, omp_disregard_value_expr,
9615 omp_private_debug_clause, omp_clause_default_ctor,
9616 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9617 (c_finish_omp_clauses): New.
9618 (c_finish_bc_stmt): Diagnose break within omp for.
9619 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9620 (build_unary_op): Return error_mark after reporting
9621 a readonly_error.
9622 (build_modify_expr): Likewise.
9623 * gimplify.c: Include optabs.h and pointer-set.h.
9624 (enum gimplify_omp_var_data): Declare.
9625 (struct gimplify_omp_ctx): Declare.
9626 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9627 and combined_ctxp.
9628 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9629 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9630 (splay_tree_compare_decl_uid): New.
9631 (new_omp_context): New.
9632 (delete_omp_context): New.
9633 (gimple_add_tmp_var): Call omp_add_variable.
9634 (gimplify_bind_expr): Likewise.
9635 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9636 true, disregard DECL_VALUE_EXPR on the decl if any.
9637 (gimplify_expr_in_ctx): New.
9638 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9639 omp_add_variable, omp_notice_variable, omp_is_private
9640 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9641 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9642 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9643 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9644 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9645 gimplify_omp_atomic): New.
9646 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9647 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9648 OMP_CRITICAL and OMP_ATOMIC.
9649 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9650 * c-pragma.h (enum pragma_kind): Add
9651 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9652 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9653 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9654 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9655 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9656 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9657 PRAGMA_OMP_THREADPRIVATE.
9658 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9659 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9660 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9661 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9662 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9663 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9664 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9665 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9666 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9667 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9668 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9669 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9670 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9671 OpenMP directives.
9672 (struct nesting_info): Add field_map,
9673 suppress_expansion, debug_var_chain.
9674 (create_nesting_tree): Initialize them.
9675 (lookup_field_for_decl): Use field_map.
9676 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9677 (convert_local_omp_clauses): New.
9678 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9679 (walk_body): Split out of walk_function.
9680 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9681 (convert_nonlocal_reference): Handle omp statements.
9682 (convert_local_reference): Likewise.
9683 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9684 (unnest_nesting_tree): New.
9685 (lower_nested_functions): Call it.
9686 (insert_field_into_struct): Make extern.
9687 (struct walk_stmt_info): Move to tree-gimple.h.
9688 (walk_stmts): Make extern.
9689 * omp-builtins.def: New file.
9690 * tree-iterator.c (expr_only): Clarify comment.
9691 * c-common.h (pushdecl_top_level, pushdecl,
9692 build_modify_expr, build_indirect_ref,
9693 c_finish_omp_master, c_finish_omp_critical,
9694 c_finish_omp_ordered, c_finish_omp_barrier,
9695 c_finish_omp_atomic, c_finish_omp_flush,
9696 c_finish_omp_for, c_split_parallel_clauses,
9697 omp_clause_default_kind, c_omp_sharing_predetermined,
9698 c_omp_remap_decl): Declare.
9699 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9700 (OBJS-common): Add omp-low.o.
9701 (c-omp.o, omp-low.o): Add.
9702 (gimplify.o): Add dependency on $(OPTABS_H).
9703 (GTFILES): Add omp-low.c.
9704 (gt-stringpool.h): Add.
9705 * tree-cfg.c (set_bb_for_stmt): Do not update the
9706 block-to-labels map if we are currently expanding to RTL.
9707 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9708 checks.
9709 Handle IDENTIFIER_NODE.
9710 (tree_verify_flow_info): Do not ICE when emitting error
9711 messages about invalid labels.
9712 (dump_function_to_file): Reset CFUN before emitting the body
9713 of the function.
9714 (debug_function): New.
9715 * passes.c (init_optimization_passes): Schedule
9716 pass_lower_omp.
9717 * langhooks-def.h (lhd_omp_predetermined_sharing,
9718 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9719 Declare.
9720 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9721 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9722 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9723 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9724 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9725 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9726 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9727 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9728 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9729 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9730 (LANG_HOOK_DECLS): Use them.
9732 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9733 Richard Henderson <rth@redhat.com>
9734 Jakub Jelinek <jakub@redhat.com>
9735 Diego Novillo <dnovillo@redhat.com>
9737 * c-parser.c (pragma_omp_clause): Define.
9738 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9739 (c_parser_compound_statement): Likewise.
9740 (c_parser_statement): Likewise.
9741 (c_parser_pragma): Handle omp pragmas.
9742 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9743 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9744 (c_parser_omp_clause_name, check_no_duplicate_clause,
9745 c_parser_omp_variable_list,
9746 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9747 c_parser_omp_clause_copyprivate,
9748 c_parser_omp_clause_default,
9749 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9750 c_parser_omp_clause_lastprivate,
9751 c_parser_omp_clause_nowait,
9752 c_parser_omp_clause_num_threads,
9753 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9754 c_parser_omp_clause_reduction,
9755 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9756 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9757 c_parser_omp_atomic, c_parser_omp_barrier,
9758 c_parser_omp_critical, c_parser_omp_flush,
9759 c_parser_omp_for_loop, c_parser_omp_for,
9760 c_parser_omp_master, c_parser_omp_ordered,
9761 c_parser_omp_sections_scope, c_parser_omp_sections,
9762 c_parser_omp_parallel, c_parser_omp_single,
9763 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9764 * c-pragma.c (init_pragma): Do omp pragma registration here.
9765 * c.opt (fopenmp): New flag.
9767 2006-01-18 Eric Christopher <echristo@apple.com>
9769 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9770 * config/darwin.h (GOMP_SELF_SPECS): Define.
9772 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9774 * rtl.h: Remove the prototype for reg_alloc.
9776 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9778 PR target/25731
9779 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9780 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9781 sjlj and dwarf2 exception handling.
9782 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9783 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9784 * pa/pa.c (function_value): Treat complex and vector types as
9785 aggregates.
9786 (function_arg): Likewise. Only pass scalar floats in the floating
9787 point argument registers.
9788 * pa/t-slibgcc-dwarf-ver: New file.
9789 * pa/t-slibgcc-sjlj-ver: New file.
9790 * pa/t-slibgcc-elf-ver: Delete file.
9792 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9794 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9795 unlikely_test_section_p test.
9797 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9799 * mode-switching.c (optimize_mode_switching): Make it static.
9800 * basic-block.h: Remove the prototype for
9801 optimize_mode_switching.
9803 * modulo-sched.c (sms_schedule): Make it static.
9804 * rtl.h: Remove the prototype for sms_schedule.
9806 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9807 * rtl.h: Remove the prototype for gcse_after_reload_main.
9809 * reg-stack.c (reg_to_stack): Make it static.
9810 * rtl.h: Remove the prototype for reg_to_stack.
9812 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9813 Make them static.
9814 * rtl.h: Remove the prototypes for regrename_optimize and
9815 copyprop_hardreg_forward.
9817 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9819 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9820 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9821 Test against the appropriate null constant for the mode.
9822 If 'fixup_overlap' is true, swap the operands if they overlap.
9823 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9824 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9825 alpha_split_tmode_pair and adjust for above change.
9826 * config/alpha/alpha.md (movtf_internal): Adjust call to
9827 alpha_split_tfmode_pair and rely on it to swap the operands.
9828 (movti_internal): New insn and post-reload splitter.
9829 (movti): New expander.
9831 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9833 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9834 operands.
9836 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9838 * rtlanal.c (global_reg_mentioned_p_1,
9839 global_reg_mentioned_p): Remove.
9840 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9842 * flow.c (initialize_uninitialized_subregs): Make it static.
9843 * rtl.h: Remove the prototype for
9844 initialize_uninitialized_subregs.
9846 * function.c (instantiate_virtual_regs): Make it static.
9847 * function.h: Remove the prototype for
9848 instantiate_virtual_regs.
9850 * regmove.c (regmove_optimize, combine_stack_adjustments):
9851 Make them static.
9852 * rtl.h: Remove the prototypes for regmove_optimize and
9853 combine_stack_adjustments.
9855 2006-01-17 Roger Sayle <roger@eyesopen.com>
9857 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9858 (size_cost): Encode costs in bytes so that a reg-reg addition is
9859 equivalent to COSTS_N_INSNS(1).
9860 (override_options): Use the size_cost.branch_cost as the default
9861 ix86_branch_cost when optimizing for size.
9863 2006-01-18 Ben Elliston <bje@au.ibm.com>
9865 * Makefile.in (D32PBIT_FUNCS): New.
9866 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9867 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9868 D64PBIT_FUNCS and D128PBIT_FUNCS.
9869 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9870 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9871 D128PBIT are set.
9872 (decnumber_dep): Define.
9873 * doc/libgcc.texi (Decimal float library routines): New node.
9874 * config/dfp-bit.h, config/dfp-bit.c: New files.
9876 2006-01-18 Ben Elliston <bje@au.ibm.com>
9878 * expr.c (emit_move_change_mode): Always adjust addresses, not
9879 just during reload. Copy replacements only during reload.
9880 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9881 emit_move_via_integer.
9883 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9885 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9886 instead of $(srcdir) and ${srcdir}.
9888 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9890 PR target/592
9891 PR middle-end/11135
9892 * arm.h (struct machine_function): Add pic_reg.
9893 * arm.c (arm_pic_register): Make unsigned.
9894 (arm_override_options): Only set arm_pic_register if
9895 TARGET_SINGLE_PIC_BASE.
9896 (use_return_insn): Only test for a pic register if it is fixed.
9897 (arm_compute_save_reg0_reg12_mask): Likewise.
9898 (thumb_compute_save_reg_mask): Likewise.
9899 (legitimate_pic_operand): Factor out some known invariants.
9900 (legitimize_pic_address): If we don't have a fixed pic register,
9901 then set up a pseudo in the function entry sequence. Handle the
9902 pic base being in a pseudo.
9903 (arm_load_pic_register): Handle the pic register being in a pseudo.
9904 (arm_expand_prologue): Only set up the pic register if it is fixed.
9905 (thumb_expand_prologue): Likewise.
9906 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9907 (pic_load_addr_based_insn): Likewise.
9908 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9909 fixed.
9911 2006-01-18 Ben Elliston <bje@au.ibm.com>
9913 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9914 decimal float modes for all floating point registers.
9916 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9917 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9919 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9921 PR c/25682
9922 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9923 even when the pointer is not NULL.
9925 2006-01-16 Ian Lance Taylor <ian@airs.com>
9927 * common.opt (ftoplevel-reorder): New option.
9928 * cgraph.c (cgraph_asm_nodes): New global variable.
9929 (cgraph_asm_last_node): New static variable.
9930 (cgraph_order): New global variable.
9931 (cgraph_create_node): Set new order field.
9932 (cgraph_varpool_node): Likewise.
9933 (decide_is_variable_needed): Return true if not
9934 flag_toplevel_reorder.
9935 (cgraph_add_asm_node): New function.
9936 * cgraph.h (struct cgraph_node): Add order field.
9937 (struct cgraph_varpool_node): Add order field.
9938 (struct cgraph_asm_node): Define.
9939 (cgraph_asm_nodes, cgraph_order): Declare.
9940 (cgraph_add_asm_node): Declare.
9941 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9942 function.
9943 (cgraph_varpool_assemble_pending_decls): Call it.
9944 (cgraph_output_pending_asms): New static function.
9945 (cgraph_finalize_compilation_unit): Call it.
9946 (struct cgraph_order_sort): Define.
9947 (cgraph_output_in_order): New static function.
9948 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9949 !flag_toplevel_reorder case.
9950 * c-parser.c: Include "cgraph.h".
9951 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9952 assemble_asm.
9953 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9954 than -fno-unit-at-a-time.
9955 * doc/invoke.texi (Option Summary): Mention
9956 -fno-toplevel-reorder.
9957 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9958 -funit-at-a-time documentation.
9960 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9961 Kazu Hirata <kazu@codesourcery.com>
9963 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9965 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9967 * Makefile.in (FUNCTION_H): New. Use it instead of
9968 function.h throughout the file.
9969 * function.h: Include tree.h.
9971 2006-01-17 Ben Elliston <bje@au.ibm.com>
9973 * recog.c: Separate some functions with whitespace.
9975 2006-01-16 Richard Henderson <rth@redhat.com>
9977 Merge from gomp branch:
9978 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9979 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9980 and rename from struct inline_data. Rename callee* to dst*;
9981 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9982 transform_new_cfg, transform_return_to_modify, and
9983 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9984 update_clones_p.
9985 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9986 (copy_decl_for_dup): Remove.
9987 * tree-inline.c (struct inline_data): Move to header.
9988 (insert_decl_map): Export.
9989 (remap_decl): Update for member name changes. Use copy_decl hook.
9990 Allow for replacement to be a non-decl. Remove dead code.
9991 (remap_type_1): Check for existing mapping.
9992 (remap_type): Export.
9993 (remap_decls): Update for member name changes.
9994 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9995 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9996 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9997 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9998 (tree_function_versioning, build_duplicate_type): Likewise.
9999 (copy_body_r): Likewise. Export.
10000 (copy_decl_for_dup): Split into ...
10001 (copy_decl_for_dup_finish, copy_decl_to_var,
10002 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10003 (replace_ref_tree, inlining_p): Remove.
10005 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10007 * ifcvt.c (if_convert): Make it static.
10008 * rtl.h: Remove the prototype for if_convert.
10010 * local-alloc.c (local_alloc): Make it static.
10011 * rtl.h: Remove the prototype for local_alloc.
10013 * loop.c (loop_optimize): Make it static.
10014 * cfgloop.h: Remove the prototype for loop_optimize.
10015 * rtl.h: Likewise.
10017 2006-01-16 DJ Delorie <dj@redhat.com>
10019 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10020 mems.
10022 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10024 * pa.md: Disparage copies between general and floating-point registers
10025 in 32-bit move patterns.
10027 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10029 PR testsuite/25741
10030 * Makefile.in (check-%): Depend on site.exp instead of
10031 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10032 directories.
10034 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10036 * global.c (global_alloc): Make it static.
10037 * rtl.h: Remove the prototype for global_alloc.
10039 2006-01-16 Richard Guenther <rguenther@suse.de>
10041 * tree-ssa-alias.c (struct used_part): Add write_only field.
10042 (get_or_create_used_part_for): Initialize it to true.
10043 (create_overlap_variables_for): Don't create structure variables
10044 for structures that only are written to.
10045 (find_used_portions): Handle MODIFY_EXPR to track whether a
10046 structure is only written to.
10048 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10050 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10051 static.
10052 * basic-block.h: Remove the prototype for
10053 partition_hot_cold_basic_blocks.
10055 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10057 * cppspec.c (lang_specific_spec_functions): Remove.
10058 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10059 * gcc.h (lang_specific_spec_functions): Remove.
10060 * gccspec.c (lang_specific_spec_functions): Remove.
10062 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10064 * combine.c (record_value_for_reg): Invalidate registers
10065 if INSN is null.
10066 (record_dead_and_set_regs_1): Likewise, by passing them to
10067 record_value_for_reg.
10068 (record_dead_and_set_regs): Invalidate stores made by a
10069 call. We do not combine across a call, but we still
10070 relied on equivalences.
10072 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10074 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10075 vrp_int_const_binop returning non-constant nodes.
10077 2006-01-16 Paul Brook <paul@codesourcery.com>
10079 * config/m68k/m68k.c (output_move_const_into_data_reg):
10080 Output correct mnemonic for mvz and mvs.
10082 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10084 * rtl-factoring.c: Add sequence abstraction algorithm.
10085 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10086 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10087 ABNORMAL edges.
10088 (block_has_preserve_label): New function.
10089 * common.opt: Register new pass.
10090 * Makefile.in: Ditto.
10091 * passes.c: Ditto.
10092 * timevar.def: Ditto.
10093 * tree-pass.h: Ditto.
10094 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10095 * rtl.h (make_jump_insn_raw): Add forward decl.
10096 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10098 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10099 Roger Sayle <roger@eyesopen.com>
10101 * fold-const.c (fold_minmax): New static function.
10102 (fold_binary) <MIN_EXPR>: Call it.
10103 <MAX_EXPR>: Likewise.
10104 * stor-layout.c (place_field): Use DECL_SIZE consistently
10105 in the computation of the new record size.
10107 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10109 * cse.c (cse_condition_code_reg): Make it static.
10110 * rtl.h: Remove the prototype for cse_condition_code_reg.
10112 * combine.c (combine_instructions): Make it static.
10113 * rtl.h: Remove the prototype for combine_instructions.
10115 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10117 PR target/25168
10118 * tree.c (get_file_function_name_long): Concatenate the first global
10119 object name with a string derived from the input filename of the object
10120 for type "F".
10122 2006-01-16 Ben Elliston <bje@au.ibm.com>
10124 * config/i386/winnt-stubs.c: Update FSF address.
10125 * config/xtensa/ieee754-df.S: Ditto.
10126 * config/xtensa/ieee754-sf.S: Ditto.
10128 2006-01-14 Ian Lance Taylor <ian@airs.com>
10130 * ifcvt.c (noce_init_if_info): New static function, broken out of
10131 noce_process_if_block.
10132 (noce_process_if_block): Call noce_init_if_info.
10133 (check_cond_move_block): New static function.
10134 (cond_move_process_if_block): New static function.
10135 (process_if_block): Call cond_move_process_if_block.
10137 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10139 * cselib.c (hash_table): Rename to cselib_hash_table.
10140 (cselib_clear_table, discard_useless_values,
10141 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10142 cselib_init, cselib_finish): Adjust uses of hash_table.
10144 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10146 PR tree-optimization/25485
10147 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10148 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10149 is known to be false and true, respectively.
10151 2006-01-14 Richard Guenther <rguenther@suse.de>
10153 PR tree-optimization/22548
10154 PR tree-optimization/22555
10155 PR tree-optimization/22501
10156 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10157 * params.def (salias-max-array-elements): New parameter.
10158 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10159 * doc/invoke.texi (salias-max-array-elements): Document.
10160 * tree-flow-inline.h (var_can_have_subvars): We also handle
10161 arrays now.
10162 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10163 COMPONENT_REF.
10164 * tree-ssa-structalias.c (params.h): Include.
10165 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10166 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10167 (get_constraint_for): For ADDR_EXPR operating on something
10168 containing an ARRAY_REF, add all subvars to the solution.
10169 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10170 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10171 for creating MUST_DEFs.
10172 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10174 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10176 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10177 functions.
10178 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10179 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10180 number_of_iterations_le): New functions.
10181 (number_of_iterations_special): Removed.
10182 (number_of_iterations_exit): Do not use number_of_iterations_special.
10183 * tree.c (unsigned_type_for): Always return integer type.
10185 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10186 Richard Guenther <rguenther@suse.de>
10188 PR rtl-optimization/24257
10189 * gcse.c (find_moveable_store): Only consider a store movable
10190 when the SET_SRC of the insn can be assigned to a register.
10192 2006-01-14 Ian Lance Taylor <ian@airs.com>
10194 * tree.c (tree_not_class_check_failed): New function.
10195 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
10196 (tree_not_class_check_failed): Declare.
10198 2006-01-13 Ian Lance Taylor <ian@airs.com>
10200 * reload1.c (do_output_reload): Add assertion rejecting a
10201 CALL_INSN.
10203 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
10205 * combine.c (struct reg_stat): Add new fields truncation_label and
10206 truncated_to_mode.
10207 (record_value_for_reg): Reset truncated_to_mode.
10208 (record_truncated_value): New function.
10209 (check_promoted_subreg): Call it. Rename to check_conversions.
10210 (combine_instructions): Rename check_promoted_subreg to
10211 check_conversions.
10212 (reg_truncated_to_mode): New function.
10213 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
10214 (gen_lowpart_or_truncate): New function.
10215 (force_to_mode): Use it instead of gen_lowpart.
10217 2006-01-13 Diego Novillo <dnovillo@redhat.com>
10219 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
10220 VAR is a tag, not its type tag.
10222 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
10224 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
10225 alternatives to match style of other entries.
10226 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
10228 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10230 PR tree-optimization/25771
10231 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10232 SSA_NAMES.
10234 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
10236 PR tree-opt/24365
10237 * tree-inline.c (declare_return_variable): If the return variable
10238 was marked as a non gimple complex, set the return slot variable
10239 to be a non gimple comple variable.
10241 2006-01-13 Richard Guenther <rguenther@suse.de>
10243 * builtins.c (expand_builtin_sincos): New function.
10244 (expand_builtin_mathfn_3): Remove dead code, sin and cos
10245 do not set errno.
10246 (expand_builtin): Expand sincos using expand_builtin_sincos.
10248 2006-01-12 DJ Delorie <dj@redhat.com>
10250 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
10251 shift counts, separate SI shifts for m32c vs m16c, pass shift type
10252 so that constant shifts can be split.
10253 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
10254 (m32c_valid_pointer_mode): Make static.
10255 (shift_gen_func_for): New.
10256 (m32c_prepare_shift): Use it. Split large const shifts into
10257 multiple shifts.
10258 * config/m32c/predicates.md (shiftcount_operand): Allow more
10259 general operands.
10260 (longshiftcount_operand): New.
10261 * doc/md.texi (Machine Constraints): Document In6.
10263 2006-01-13 Ben Elliston <bje@au.ibm.com>
10265 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
10266 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
10267 documentation.
10269 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
10271 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
10272 to try to avoid clobbering pieces of structures when we know
10273 something about the whole structure.
10274 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
10276 2006-01-13 Ben Elliston <bje@au.ibm.com>
10278 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
10279 return in memory, as this is no limitation is no longer present.
10281 2006-01-12 DJ Delorie <dj@redhat.com>
10283 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
10284 mova with fb, and for fb+0 -> An.
10286 * config/m32c/mov.md (peephole2): Fix enabling logic.
10288 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10289 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10290 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10291 FINI_ARRAY_SECTION_ASM_OP): Define.
10293 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
10294 variable.
10295 (m32c_legitimize_reload_address): New logic to reload FB to An.
10296 (m32c_output_reg_push): Add newline.
10297 (m32c_output_reg_pop): Likewise.
10299 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
10301 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
10303 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
10305 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
10307 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10309 * config/sh/predicates.md (sh_rep_vec): Add parallel to
10310 match_code.
10312 2006-01-11 Ben Elliston <bje@au.ibm.com>
10314 * rtlanal.c (find_reg_note): Assert insn is not null.
10316 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10318 * df-scan.c (df_hard_reg_init): Move declaration of i outside
10319 ifdef.
10321 2006-01-11 Jeff Law <law@redhat.com>
10323 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
10324 hold edge pairs.
10325 (mark_threaded_blocks, register_jump_thread): New functions.
10326 (thread_through_all_blocks): Remove unwanted argument. No
10327 longer rely on e->aux to communicate thread target info.
10328 Call mark_threaded_blocks. Release the threaded_blocks
10329 bitmap and threaded_edges vector when complete.
10330 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
10331 (threaded_blocks): Remove.
10332 (tree_ssa_dominator_optimize): Remove initialization and
10333 finalization of threaded_blocks. Simplify call to
10334 thread_through_all_blocks.
10335 (thread_across_edge): Call register_jump_thread rather than
10336 storing thread information into e->aux.
10337 (free_all_edge_infos): Simplify now that e->aux is no longer
10338 used to communicate with thread_through_all_blocks.
10339 * tree-flow.h (thread_through_all_blocks): Update prototype.
10340 (register_jump_thread): Prototype.
10342 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10344 * df-core.c (df_compact_blocks, df_bb_replace): Use
10345 SET_BASIC_BLOCK instead of BASIC_BLOCK.
10347 2006-01-11 Richard Guenther <rguenther@suse.de>
10349 PR tree-optimization/25734
10350 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
10351 stop propagation after successful propagation to the LHS.
10353 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10355 * basic-block.h (control_flow_graph): Change the type of
10356 x_basic_block_info to VEC(basic_block,gc) *.
10357 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
10358 basic_block_info.
10359 (SET_BASIC_BLOCK): New.
10360 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
10361 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
10362 * cfgbuild.c (find_basic_blocks): Likewise.
10363 * cfglayout.c (fixup_reorder_chain): Likewise.
10364 * cfgrtl.c (create_basic_block_structure,
10365 rtl_create_basic_block): Likewise.
10366 * ifcvt.c (find_if_case_1): Likewise.
10367 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
10368 Likewise.
10370 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10372 * Makefile.in: Removed rotted odf.c entry.
10374 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
10376 PR target/25706
10377 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
10378 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
10379 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
10380 output pattern modifier, not %e.
10381 * config/cris/cris.c (cris_op_str): Update comment about pattern
10382 modifier.
10383 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
10384 before falling through into...
10385 <case 'E'>: Redefined from old 'e' case.
10387 2006-01-11 Jan Hubicka <jh@suse.cz>
10389 PR target/25042
10390 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
10392 2006-01-11 Jan Hubicka <jh@suse.cz>
10394 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
10395 * i386.c (x86_decompose_lea): Kill.
10396 (ix86_rtx_costs): Kill.
10398 2006-01-11 Jan Hubicka <jh@suse.cz>
10400 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
10401 * cgraph.h (cgraph_node): Add inline_decl.
10402 (cgraph_insert_node_to_hashtable): Declare.
10403 (save_inline_function_body): Declare.
10404 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
10405 clones.
10406 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
10407 (cgraph_function_versioning): Update call of tree_function_versioning.
10408 (save_inline_function_body): New function.
10409 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
10410 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
10411 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
10412 (cgraph_default_inline_p): Likewise.
10413 (cgraph_decide_inlining_incrementally): Likewise.
10414 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
10415 (copy_bb): Kill saving; do updating of clones.
10416 (copy_cfg_body): Kill saving.
10417 (initialize_inlined-parameters): Likewise.
10418 (expand_call_inline): Likewise.
10419 (save_body): Kill.
10420 (tree_function_versioning): New parameter "update_clones".
10421 (inlining_p): Kill saving.
10422 * tree-inline.h (tree_function_versioning): Update prototype.
10423 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
10424 saving.
10426 2006-01-11 Ian Lance Taylor <ian@airs.com>
10428 * combine.c (struct undo): Remove is_int. Enumify types of undos.
10429 Allow undoing set of machine mode.
10430 (do_SUBST): Use enums instead of is_int.
10431 (do_SUBST_MODE): New function.
10432 (SUBST_MODE): New macro.
10433 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
10434 reg and trying to replace reg_regno_rtx with a new register.
10435 (undo_all): Use new enums, handle undoing a PUT_MODE change.
10436 (simplify_set): Use SUBST_MODE.
10437 (distribute_notes): Remove code that tried to update reg notes
10438 for regno_reg_rtx changes.
10440 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
10442 PR tree-optimization/23109
10443 PR tree-optimization/23948
10444 PR tree-optimization/24123
10446 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
10447 * tree-cfg.c (single_noncomplex_succ): New.
10448 * tree-flow.h (single_noncomplex_succ): Declare it.
10449 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10450 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10451 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
10452 insert_bb, register_division_in, insert_reciprocals,
10453 replace_reciprocal, free_bb): New.
10454 (execute_cse_reciprocals_1): Rewritten.
10455 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
10456 Do not commit any edge insertion. Always compute dominators and
10457 create the allocation pool.
10458 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
10459 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
10460 * targhooks.c (default_min_divistions_for_recip_mul): New.
10461 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
10462 * passes.c (init_optimization_passes): Run recip after tree loop
10463 optimizations.
10464 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
10466 2006-01-11 Danny Berlin <dberlin@dberlin.org>
10467 Kenneth Zadeck <zadeck@naturalbridge.com>
10469 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
10470 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
10471 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10472 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10473 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10474 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10475 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10476 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10477 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10478 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10479 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10480 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10481 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10482 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10483 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10484 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10485 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10486 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10487 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10488 DF_SCAN_POST_ALLOC): New macros.
10489 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10490 df_free_bb_function, df_local_compute_function, df_init_function,
10491 df_dataflow_function, df_confluence_function_0,
10492 df_confluence_function_n, df_transfer_function,
10493 df_finalizer_function, df_free_function, df_dump_problem_function,
10494 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10495 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10496 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10497 df_urec_bb_info, ) New types.
10498 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10499 variables.
10500 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10501 df_analyze_simple_change_some_blocks,
10502 df_analyze_simple_change_one_block, df_compact_blocks,
10503 df_bb_replace, df_bb_regno_last_use_find,
10504 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10505 df_insn_regno_def_p, df_find_def, df_find_use,
10506 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10507 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10508 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10509 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10510 debug_df_chain, df_get_dependent_problem, df_chain_create,
10511 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10512 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10513 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10514 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10515 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10516 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10517 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10518 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10519 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10520 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10521 df_reorganize_refs, df_set_state, df_hard_reg_init,
10522 df_read_modify_subreg_p) New public functions.
10523 * df-core.c: The core dataflow solver and glue routines for rtl
10524 dataflow.
10525 (df_init, df_add_problem, df_set_blocks, df_finish,
10526 df_hybrid_search_forward, df_hybrid_search_backward,
10527 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10528 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10529 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10530 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10531 df_reg_defined, df_find_use, df_reg_used, df_dump,
10532 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10533 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10534 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10535 debug_df_useno, reset_df_after_reload): New functions.
10536 * df-scan.c: The scanning fuctions, once in df.c, completely
10537 rewritten so that they now fully model the functionality of
10538 register usage at the backend.
10539 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10540 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10541 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10542 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10543 df_get_artificial_defs, df_get_artificial_uses,
10544 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10545 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10546 df_refs_delete, df_reorganize_refs, df_set_state,
10547 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10548 df_def_record_1, df_defs_record, df_uses_record,
10549 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10550 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10551 df_record_exit_block_uses, df_hard_reg_init): New functions.
10553 * df-problems.c: Seven concrete dataflow problems that use the
10554 scanning in df-scan.c and are solved by the engine in df-core.c.
10555 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10556 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10557 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10558 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10559 df_ru_free_bb_info, df_ru_alloc,
10560 df_ru_bb_local_compute_process_def,
10561 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10562 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10563 df_ru_transfer_function, df_ru_free, df_ru_dump,
10564 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10565 df_rd_free_bb_info, df_rd_alloc,
10566 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10567 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10568 df_rd_transfer_function, df_rd_free, df_rd_dump,
10569 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10570 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10571 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10572 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10573 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10574 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10575 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10576 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10577 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10578 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10579 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10580 df_urec_mark_reg_use_for_earlyclobber,
10581 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10582 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10583 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10584 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10585 df_chain_create_bb_process_use, df_chain_create_bb,
10586 df_chain_finalize, df_chain_free, df_chains_dump,
10587 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10588 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10589 df_reg_lifetime): New functions.
10590 * df.c: Deleted file.
10591 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10592 consistent with new df api.
10593 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10594 rest_of_handle_sms): Ditto.
10595 * web.c (unionfind_union, union_defs, entry_register, web_main):
10596 Ditto.
10597 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10598 invariant_expr_equal_p, find_defs, check_dependencies,
10599 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10600 free_inv_motion_data, move_loop_invariants): Ditto.
10601 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10602 Update dependencies.
10603 (odf.c): Added defective entry that was deleted later in day.
10604 * sched-deps.c (sched_analyze_1): Ditto.
10606 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10608 * tree-ssa-operands.c (get_expr_operands): Record addressable
10609 variables directly. Do not call add_stmt_operands for CONST_DECLs
10610 and ARRAY_DECLs.
10611 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10612 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10614 2006-01-11 Ben Elliston <bje@au.ibm.com>
10616 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10617 function returns true in the positive case.
10619 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10621 PR target/20754
10622 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10623 for SI, DI, SF and DF modes. Add alternatives to copy between
10624 general and floating point registers to the 32-bit patterns.
10625 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10626 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10627 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10628 generating 64-bit code.
10629 * config/pa/pa.c (output_move_double): Handle copies between general
10630 and floating registers.
10632 2006-01-10 Stuart Hastings <stuart@apple.com>
10634 * config/i386/i386.md (set_got): Update.
10635 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10636 (builtin_setjmp_receiver): Mach-O support.
10637 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10638 (GOT_SYMBOL_NAME): Define.
10639 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10640 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10641 * config/i386/i386.c (override_options): Revise for Darwin.
10642 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10643 support. (darwin_x86_file_end): New. (output_set_got): Add label
10644 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10645 * config/i386/i386-protos.h (output_set_got): Likewise.
10646 * config/darwin.c (machopic_legitimize_pic_address): Update
10647 regs_ever_live[].
10649 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10651 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10652 when MODE isn't BLKmode.
10654 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10656 PR rtl-optimization/25367
10657 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10659 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10661 PR target/25718
10662 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10663 for a negative bound.
10665 2006-01-10 Richard Guenther <rguenther@suse.de>
10667 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10668 Never override with anything constraint.
10670 2006-01-10 Jan Beulich <jbeulich@novell.com>
10672 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10673 256 bits when optimize_size.
10675 2006-01-10 Jan Beulich <jbeulich@novell.com>
10677 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10678 MASK_ALIGN_DOUBLE.
10679 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10680 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10681 arguments.
10683 2006-01-10 Ben Elliston <bje@au.ibm.com>
10685 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10686 float modes.
10687 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10688 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10689 (USE_FP_FOR_ARG): Reject decimal float modes.
10690 (function_arg_advance): Likewise.
10691 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10692 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10693 point types in AltiVec vectors.
10694 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10695 (rs6000_libcall_value): Likewise.
10697 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10699 * config/xtensa/ieee754-df.S: New file.
10700 * config/xtensa/ieee754-sf.S: New file.
10701 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10702 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10703 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10705 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10707 * config/sh/predicates.md (binary_float_operator,
10708 binary_logical_operator, commutative_float_operator,
10709 equality_comparison_operator, greater_comparison_operator,
10710 less_comparison_operator, logical_operator,
10711 noncommutative_float_operator, shift_operator,
10712 symbol_ref_operand, unary_float_operator): Remove redundant
10713 conditionals.
10715 2006-01-09 Jeff Law <law@redhat.com>
10717 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10718 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10719 now unused arguments. Callers updated.
10720 (eliminate_redundant_computations): Remove now unused arguments,
10721 callers updated.
10722 (local_fold): Remove, no longer used.
10723 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10724 and moved to...
10725 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10726 (simplify_cond): New function.
10727 (forward_propagate_into_cond): Call simplify_cond.
10729 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10731 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10732 (*vec_extractv2di_1_sse): New.
10734 2006-01-09 Ben Elliston <bje@au.ibm.com>
10736 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10738 2006-01-08 Richard Guenther <rguenther@suse.de>
10740 * tree-ssa-structalias.c (get_constraint_for): Remove
10741 anyoffset argument.
10742 (get_constraint_for_component_ref): Likewise.
10743 (do_deref): Likewise.
10744 (get_constraint_for): Likewise.
10745 (do_structure_copy): Likewise.
10746 (handle_ptr_arith): Likewise.
10747 (find_func_aliases): Likewise. Remove unused need_anyoffset
10748 variable.
10750 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10751 Kaz Kojima <kkojima@gcc.gnu.org>
10753 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10754 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10755 (EXTRA_CONSTRAINT_C16): Remove.
10756 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10757 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10758 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10759 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10760 constants of SHmedia. Handle nested constant expressions of
10761 SHmedia correctly.
10762 (andcosts): Fix the costs for SHmedia constants.
10763 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10764 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10765 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10766 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10767 (movv4hi_i, movv2si_i): Likewise.
10768 (movsi_const): Adjust the second operand of ior so to match with
10769 the Csu constraint.
10770 (movdi_const, movdi_const_32bit): Likewise.
10771 (movdi_const_16bit+1): Don't sign-extend LOW.
10772 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10773 step.
10774 (*double_shori): Fix the split condition. Use GEN_INT instead
10775 of get_int_mode calls. Mask lower 16-bit of the argument of
10776 the last GEN_INT.
10777 (sym2GOTPLT): Remove.
10778 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10779 gen_rtx_UNSPEC.
10780 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10781 instead of EXTRA_CONSTRAINT_C16.
10783 2006-01-07 Ian Lance Taylor <ian@airs.com>
10784 David Edelsohn <edelsohn@gnu.org>
10786 PR rtl-optimization/25662
10787 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10788 for constant operands instead of simplify_gen_binary.
10789 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10790 after trying simplify_binary_operation
10792 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10794 * tree.c (iterative_hash_expr): Hash decls based on UID.
10796 2006-01-06 Eric Christopher <echristo@apple.com>
10798 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10799 (TARGET_UNWIND_EMIT): Fix spelling.
10800 * target.h (gcc_target): Add except_table_label.
10801 * except.c (output_function_exception_table): Use.
10802 * varasm.c (default_emit_except_table_label): New.
10803 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10804 define.
10805 (asm_out): Add here.
10806 * output.h (default_emit_except_table_label): Prototype.
10807 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10808 * config/darwin.c (darwin_emit_except_table_label): Define.
10809 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10811 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10813 PR tree-optimization/18527
10814 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10815 number_of_iterations_special, number_of_iterations_exit):
10816 Move base and step of an iv to a single structure. Add
10817 no_overflow flag, and use it in # of iterations analysis.
10818 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10819 folded_casts argument.
10820 (simple_iv): Pass base and step in a structure. Set no_overflow
10821 flag.
10822 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10823 Evaluate expensiveness of computing # of iterations instead of
10824 the final expression.
10825 * tree-scalar-evolution.h (affine_iv): New structure.
10826 (simple_iv): Declaration changed.
10827 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10828 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10829 find_givs_in_stmt): Changed due to simple_iv change.
10831 2006-01-06 Jeff Law <law@redhat.com>
10833 PR ada/24994
10834 * tree-cfg.c (bsi_replace): Rename final argument from
10835 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10836 change (stmt -> orig_stmt).
10837 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10838 (bsi_remove): Add new argument. Remove EH information
10839 if requested.
10840 (verify_eh_throw_table_statements): New function.
10841 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10842 updated.
10843 * tree-optimize.c (execute_free_cfg_annotations): Verify
10844 the EH throw statement table after removing annotations.
10845 * except.h (verify_eh_throw_table_statements): Prototype.
10846 * tree-flow.h (bsi_remove): Update prototype.
10847 * tree-vrp.c (remove_range_assertions): Add new argument to
10848 bsi_remove call.
10849 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10850 * tree-complex.c (expand_complex_div_wide): Likewise.
10851 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10852 * tree-tailcall.c (eliminate_tailcall): Likewise.
10853 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10854 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10855 * tree-nrv.c (tree_nrv): Likewise.
10856 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10857 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10858 (combine_blocks): Likewise.
10859 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10860 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10861 (cleanup_control_flow): Likewise.
10862 (remove_forwarder_block): Likewise.
10863 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10864 * tree-sra.c (sra_replace): Likewise.
10865 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10866 (forward_propagate_single_use_vars): Likewise.
10867 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10868 * tree-inline.c (expand_call_inline): Likewise.
10869 * tree-vect-transform.c (vect_transform_loop): Likewise.
10870 * tree-outof-ssa.c (rewrite_trees): Likewise.
10871 * tree-cfg.c (make_goto_expr_edges): Likewise.
10872 (cleanup_dead_labels): Likewise.
10873 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10874 (bsi_move_before, bsi_move_after): Likewise.
10875 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10876 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10878 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10880 PR tree-opt/25528
10881 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10882 and IMAGPART_EXPR.
10883 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10884 on non gimple variables. Also add checks at the top for decls and
10885 mtags.
10886 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10887 complex types.
10888 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10889 and IMAGPART_EXPR for creating MUST_DEFs.
10890 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10891 and NAME_MEMORY_TAG separately from the DECLs.
10893 2006-01-06 Richard Guenther <rguenther@suse.de>
10895 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10896 annotation, if necessary.
10897 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10898 redundant calls to update_stmt.
10899 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10900 Likewise.
10902 2006-01-05 Richard Henderson <rth@redhat.com>
10904 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10906 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10908 * c-typeck.c: Update copyright date.
10910 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10912 * c-typeck.c (build_c_cast): Always warn when casting
10913 from a pointer to an integer of different size, even if
10914 the node was constant.
10916 2006-01-05 Richard Guenther <rguenther@suse.de>
10918 PR tree-optimization/22555
10919 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10920 if one structure field is an array.
10921 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10922 operands even if we found a subvar, but ignore VOPs in this
10923 case.
10924 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10925 for renaming.
10926 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10928 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10930 PR middle-end/24998
10931 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10933 2006-01-05 Richard Guenther <rguenther@suse.de>
10934 Diego Novillo <dnovillo@redhat.com>
10936 * tree-pass.h (TODO_remove_unused_locals): Define.
10937 * gimple-low.c (expand_var_p, remove_useless_vars,
10938 pass_remove_useless_vars): Remove. Update all users.
10939 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10940 (remove_unused_locals): New function.
10941 * tree-flow.h (remove_unused_locals): Declare.
10942 * passes.c (execute_todo): Call remove_unused_locals if
10943 TODO_remove_unused_locals is set.
10944 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10945 * tree-ssa-dce.c (pass_dce): Likewise.
10946 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10948 2006-01-05 Richard Guenther <rguenther@suse.de>
10950 * tree-flow.h (struct fieldoff): Decompose field to
10951 type, size and decl.
10952 * tree-ssa-alias.c (create_sft): Take type as parameter.
10953 (create_overlap_variables_for): Store type, size and decl
10954 in the fieldoff structure.
10955 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10956 of struct fieldoff.
10957 (push_fields_onto_fieldstack): Likewise.
10958 (create_variable_info_for): Likewise. Use offset for the
10959 SFT name if the decl is not available.
10961 2006-01-04 Paul Brook <paul@codesourcery.com>
10963 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10965 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10967 * lambda-code.c (can_put_in_inner_loop): Relax
10968 restrictions.
10969 (can_put_after_inner_loop): New function.
10970 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10971 (perfect_nestify): Change to make copies and modify uses.
10973 2006-01-04 Richard Henderson <rth@redhat.com>
10975 Merge from gomp branch:
10976 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10977 via integer constant.
10978 (pragma_lex): Remove.
10979 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10980 rather than parsing it.
10981 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10982 handle_pragma_extern_prefix): Add %< %> quotes.
10983 (registered_pragmas): New.
10984 (c_register_pragma_1): New.
10985 (c_register_pragma): Use it.
10986 (c_register_pragma_with_expansion): Likewise.
10987 (c_invoke_pragma_handler): New.
10988 (init_pragma): Use cpp_register_deferred_pragma directly for
10989 pch_preprocess.
10990 * c-pragma.h (enum pragma_kind): New.
10991 (pragma_handler): New.
10992 (c_invoke_pragma_handler): Declare.
10993 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10994 CPP_PRAGMA_EOL.
10995 * c-common.h (c_common_pch_pragma): Update decl.
10996 * Makefile.in (c-parser.o): Update dependencies.
10997 (GTFILES): Add c-pragma.h.
10998 * c-parser.c (struct c_token): Add pragma_kind.
10999 (struct c_parser): Add in_pragma.
11000 (c_lex_one_token): Always initialize keyword and pragma_kind.
11001 Extract data for CPP_PRAGMA.
11002 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11003 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11004 Don't allow CPP_PRAGMA_EOL if in_pragma.
11005 (c_parser_consume_pragma): New.
11006 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11007 (c_parser_skip_to_end_of_parameter): Likewise.
11008 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11009 (c_parser_skip_to_pragma_eol): New.
11010 (c_parser_external_declaration): Handle CPP_PRAGMA.
11011 (c_parser_compound_statement_nostart): Likewise.
11012 (c_parser_statement_after_labels): Likewise.
11013 (c_parser_pragma): New.
11014 (pragma_lex): Likewise.
11015 (c_parser_pragma_pch_preprocess): New.
11016 (c_parser_new): Merge into ...
11017 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11019 2006-01-04 Jeff Law <law@redhat.com>
11021 PR ada/24994
11022 * tree-cfg.c (bsi_replace): Remove the original statement
11023 from the EH throw statement table.
11025 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11027 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11028 make the prototype extern "C" and add throw ().
11030 PR target/25554
11031 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11032 and pos non-negative and pos + len <= 32.
11033 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11034 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11035 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11037 PR c/25559
11038 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11039 as well as sizes not multiple of component size.
11041 PR debug/25562
11042 * function.c (instantiate_expr): New function.
11043 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11044 walk its DECL_VALUE_EXPR with instantiate_expr.
11046 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11047 DW_OP_deref{,_size} if address isn't going to be added.
11049 2006-01-04 Ben Elliston <bje@au.ibm.com>
11051 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11052 * config/fp-bit.c: Likewise.
11054 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11056 * dominance.c: Add comment about why we use DFS numbering
11057 of dominance tree.
11059 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11060 Richard Henderson <rth@redhat.com>
11062 Merge from gomp-branch:
11063 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11064 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11066 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11068 PR rtl-optimization/25578
11069 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11070 pass a parameter to simplify_shift_const if changing ASHIFTRT
11071 to LSHIFTRT.
11073 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11075 * builtins.c (get_builtin_sync_mem): New function.
11076 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11077 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11078 Call get_builtin_sync_mem to generate mem rtx.
11080 2006-01-03 Richard Guenther <rguenther@suse.de>
11082 PR c/25183
11083 * stmt.c (add_case_node): Make sure to clear overflow flags
11084 from ranges.
11086 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11088 Merge from gomp-branch.
11089 * config/sparc/sync.md: New file.
11090 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11091 UNSPECV_LDSTUB): New constants.
11092 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11093 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11094 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11095 prototype.
11097 2006-01-03 Roger Sayle <roger@eyesopen.com>
11099 * combine.c (reg_subword_p): New predicate to test whether the
11100 destination of a set refers to a subword/piece of a register.
11101 (try_combine): Generalize the code to merge the setting of a
11102 pseudo to a constant followed by a set of a subword of that
11103 register to a constant.
11105 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11107 * basic-block.h (control_flow_graph): Change the type of
11108 x_label_to_block_map to VEC(basic_block,gc) *.
11109 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11110 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11112 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11113 VEC(basic_block,heap) *.
11114 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11115 ssa_prop_fini): Adjust the uses of cfg_blocks.
11117 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11119 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11120 COMPONENT_REFs.
11121 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11122 hashing trees instead of a pointer hash.
11123 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11124 compare for MEM_EXPR.
11126 PR rtl-optimization/25130
11127 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11128 when comparing MEMs for GCSE
11130 2006-01-03 Ben Elliston <bje@au.ibm.com>
11132 * targhooks.h (default_decimal_float_supported_p): Declare.
11133 * targhooks.c (default_decimal_float_supported_p): Define.
11134 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11135 `default_decimal_float_supported_p'.
11136 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11138 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11140 * combine.c (apply_distributive_law <SUBREG>): Check
11141 TRULY_NOOP_TRUNCATION.
11143 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11145 * dwarf2out.c (have_switched_text_section): Delete.
11146 (have_multiple_function_sections): New.
11147 (have_location_lists): Make 'bool'.
11148 (add_AT_loc_list): Use 'true' not '1'.
11149 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11150 (output_loc_list): Use have_multiple_function_sections.
11151 (output_ranges): Likewise.
11152 (dwarf2out_begin_function): Set have_multiple_function_sections if
11153 necessary.
11154 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11155 Check function_section rather than DECL_SECTION_NAME.
11156 (dwarf2out_finish): Use have_multiple_function_sections.
11157 Don't clear have_location_lists.
11159 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11160 Jan Hubicka <jh@suse.cz>
11162 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11163 case of conditional jump jumping to the next instruction.
11164 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11165 cases of conditional jump jumping to the next instruction.
11167 2006-01-02 Jan Hubicka <jh@suse.cz>
11169 * i386.c (*_cost): Add COSTS_N_INSNS.
11170 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11172 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11174 PR target/25259
11175 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11177 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11179 * config/arm/arm.c (all_fpus): Fix comment typo.
11180 * config/darwin.c: Likewise.
11181 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11182 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11183 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11185 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11187 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
11188 (rs6000_split_compare_and_swapqhi): New.
11189 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
11190 (sync_compare_and_swapqhi_internal): New.
11191 * config/rs6000/rs6000-protos.h: Declare.