1 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2 Peter Bergner <bergner@vnet.ibm.com>
4 * doc/invoke.texi: Add cpu_type power6x
5 (RS/6000 and PowerPC Options): Add -mmfpgpr.
6 * config.gcc: Add cpu_type power6x.
7 * configure.ac: Add test for mf{t,f}gpr instructions.
9 * config.in: Regenerate.
10 * configure: Regenerate.
11 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
12 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
13 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
14 and mftgpr attributes.
15 (define_attr "cpu"): Add power6.
16 Change instruction sequences to use new attributes.
17 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
18 (fix_truncdfsi2_mfpgpr): New.
19 (floatsidf_ppc64_mfpgpr): New.
20 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
21 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
22 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
23 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
24 (fix_truncdfsi2): Use gpc_reg_operand constraint.
25 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
26 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
27 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
28 cntlz,exts and var_delayed_compare.
29 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
30 _ARCH_PWR6X, if features enabled.
31 * config/rs6000/rs6000.opt (mmfpgpr): New.
32 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
33 (cached_can_issue_more): New variable.
34 (processor_costs): Add power6_cost.
35 (rs6000_sched_init): New function.
36 (is_dispatch_slot_restricted): Deleted.
37 (set_to_load_agen): New function.
38 (is_load_insn,is_store_insn): New functions.
39 (adjacent_mem_locations): New function.
40 (insn_must_be_first_in_group): New function.
41 (insn_must_be_last_in_group): New function.
42 (rs6000_sched_reorder): New function.
43 (rs6000_sched_reorder2): New function.
44 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
45 TARGET_SCHED_REORDER2): Define.
46 (processor_target_table): Use PROCESSOR_POWER6 for power6.
47 Add power6x. Add MASK_MFPGPR for power6x.
48 (POWERPC_MASKS): Add MASK_MFPGPR.
49 (rs6000_override_options): Set rs6000_always_hint to false
50 for power6. Set rs6000_align_branch_targets. Replace
51 rs6000_sched_groups check with rs6000_align_branch_targets.
53 (last_scheduled_insn): New variable.
54 (load_store_pendulum): New variable.
55 (rs6000_variable_issue): Set last_scheduled_insn and
56 cached_can_issue_more.
57 (rs6000_adjust_cost): Add power6 cost adjustments.
58 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
59 with insn_must_be_first_in_group. Add power6 priority adjustments.
60 (rs6000_issue_rate): Add CPU_POWER6.
61 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
62 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
64 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
65 (ASM_CPU_SPEC): Add power6x.
66 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
68 * config/rs6000/power6.md: New file.
70 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
72 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
73 HOST_WIDE_INT_PRINT to print high and low parts. Use
74 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
75 printing a hexadecimal number prefix it with 0x.
77 2006-11-01 Chris Johns <chris@contemporary.net.au>
80 * Makefile.in (install-driver): Use exeext when installing
83 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
85 * c-common.c (flag_cpp0x): New.
86 * c-common.h (flag_cpp0x): New.
87 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
88 supported, define __GXX_EXPERIMENTAL_CPP0X__.
89 * c-opts.c (set_std_cxx0x): New.
90 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
91 * c.opt (std=c++0x): Document.
93 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
94 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
96 2006-11-01 Richard Guenther <rguenther@suse.de>
98 * config/i386/i386.c (ix86_expand_rint): Fix issues with
100 (ix86_expand_floorceildf_32): Likewise.
101 (ix86_expand_floorceil): Likewise.
102 (ix86_expand_trunc): Likewise.
104 2006-10-31 Andrew Pinski <pinskia@gmail.com>
106 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
109 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
111 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
113 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
115 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
117 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
118 * configure.ac (use_cxa_atexit): As a special case, don't test
119 for libc definition of __cxa_atexit on mingw32
120 * configure: Regenerate.
121 * config.gcc (i[34567]86-pc-mingw32): Default to
122 enable__cxa_atexit=yes.
124 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
126 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
128 2006-10-31 Geoffrey Keating <geoffk@apple.com>
131 * c-decl.c (start_struct): Don't create self-containing
133 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
135 * config/rs6000/rs6000-protos.h
136 (darwin_rs6000_special_round_type_align): New.
137 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
138 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
140 2006-10-31 Geoffrey Keating <geoffk@apple.com>
142 * toplev.c (compile_file): Call final_write_globals
143 even if there have been errors.
145 2006-10-31 Eric Christopher <echristo@apple.com>
146 Falk Hueffner <falk@debian.org>
148 * doc/extend.texi (__builtin_bswap32): Document.
149 (__builtin_bswap64): Ditto.
150 * doc/libgcc.texi (bswapsi2): Document.
152 * doc/rtl.texi (bswap): Document.
153 * optabs.c (expand_unop): Don't widen a bswap.
154 (init_optabs): Init bswap. Set libfuncs explicitly
155 for bswapsi2 and bswapdi2.
156 * optabs.h (OTI_bswap): New.
157 (bswap_optab): Ditto.
158 * genopinit.c (optabs): Handle bswap_optab.
159 * tree.h (tree_index): Add TI_UINT32_TYPE and
161 (uint32_type_node): New.
162 (uint64_type_node): Ditto.
163 * tree.c (build_common_tree_nodes_2): Initialize
164 uint32_type_node and uint64_type_node.
165 * builtins.c (expand_builtin_bswap): New.
166 (expand_builtin): Call.
167 (fold_builtin_bswap): New.
168 (fold_builtin_1): Call.
169 * fold-const.c (tree_expr_nonnegative_p): Return true
171 * builtin-types.def (BT_UINT32): New.
173 (BT_FN_UINT32_UINT32): Ditto.
174 (BT_FN_UINT64_UINT64): Ditto.
175 * builtins.def (BUILT_IN_BSWAP32): New.
176 (BUILT_IN_BSWAP64): Ditto.
177 * rtl.def (BSWAP): New.
178 * genattrtab.c (check_attr_value): New.
179 * libgcc2.c (__bswapSI2): New.
181 * libgcc2.h (__bswapSI2): Declare.
183 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
184 * simplify-rtx.c (simplify_const_unary_operation): Return
186 * libgcc-std.ver (__bwapsi2): Add.
188 * reload1.c (eliminate_regs_1): Add bswap.
189 (elimination_effects): Ditto.
190 * config/i386/i386.h (x86_bswap): New.
192 * config/i386/i386.c (x86_bswap): Set.
194 2006-10-31 Geoffrey Keating <geoffk@apple.com>
196 * coverage.c (coverage_checksum_string): Update comment.
197 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
198 of get_file_function_name.
199 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
200 of get_file_function_name_long.
201 * tree.c (get_file_function_name): Rename from
202 get_file_function_name_long; improve comment; handle 'I' and 'D'
203 specially when the target has ctor/dtor support; remove special
205 (get_file_function_name): Remove.
206 * tree.h (get_file_function_name): Rename from
207 get_file_function_name_long.
208 (get_file_function_name): Remove prototype.
210 2006-10-31 Geoffrey Keating <geoffk@apple.com>
212 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
213 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
215 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
216 Call dsymutil when compiling and linking one or more source files
219 2006-10-31 Geoffrey Keating <geoffk@apple.com>
222 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
224 2006-10-31 Geoffrey Keating <geoffk@apple.com>
226 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
227 inline static functions in c99 mode.
230 * doc/extend.texi (Inline): Update.
231 * c-tree.h (struct language_function): Remove field 'extern_inline'.
232 * c-decl.c (current_extern_inline): Delete.
233 (pop_scope): Adjust test for an undefined nested function.
234 Add warning about undeclared inline function.
235 (diagnose_mismatched_decls): Update comments. Disallow overriding
236 of inline functions in a translation unit in C99. Allow inline
237 declarations in C99 at any time.
238 (merge_decls): Boolize variables. Handle C99 'extern inline'
240 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
241 C99 inline semantics.
242 (start_function): Don't clear current_extern_inline. Don't set
244 (c_push_function_context): Don't push current_extern_inline.
245 (c_pop_function_context): Don't restore current_extern_inline.
248 * c-typeck.c (build_external_ref): Warn about static variables
249 used in extern inline functions.
250 * c-decl.c (start_decl): Warn about static variables declared
251 in extern inline functions.
253 2006-10-31 Roger Sayle <roger@eyesopen.com>
256 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
257 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
258 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
259 or y is an even integer.
261 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
264 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
265 * gthr-posix95.h (__gthread_active_p): Likewise.
267 2006-10-31 Richard Guenther <rguenther@suse.de>
269 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
270 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
271 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
272 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
273 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
274 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
275 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
276 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
279 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
281 * opts.c (decode_options): Disable CSE skip blocks.
283 2006-10-30 Dirk Mueller <dmueller@suse.de>
285 * c-common.h (strict_aliasing_warning): Fix whitespace.
286 * c-decl (start_function): Move code for main decl warning ..
287 * c-common.c (check_main_parameter_types): .. here.
288 * c-common.h (check_main_parameter_types): Declare.
290 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
293 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
295 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
297 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
298 be a PARALLEL containing sets. Return false when out_pat is not
301 2006-10-30 Richard Sandiford <richard@codesourcery.com>
303 * config/mips/mips.md (mul<mode>3): Split into...
304 (mulsi3, muldi3): ...these separate patterns.
306 2006-10-30 Richard Sandiford <richard@codesourcery.com>
308 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
309 but with each set of options separated by spaces.
311 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
313 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
314 dwarf_reg_size_table has been initialized.
316 2006-10-30 Roger Sayle <roger@eyesopen.com>
318 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
319 * ddg.c (print_ddg_edge): Likewise.
320 * dwarf2out.c (prune_unused_types_walk): Likewise.
321 * ifcvt.c (noce_try_cmove_arith): Likewise.
322 * langhooks.c (add_builtin_function): Likewise.
323 * reg-stack.c (subst_stack_regs_pat): Likewise.
324 * tree.c (expanded_location): Likewise.
325 * tree-dump.c (dequeue_and_dump): Likewise.
327 2006-10-30 David Daney <ddaney@avtrex.com>
329 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
331 2006-10-30 Jakub Jelinek <jakub@redhat.com>
333 PR tree-optimization/29637
334 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
335 of the innertype is the innertype itself.
337 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
339 * dwarf2out.c (file_name_acquire): Correct typo.
341 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
343 * tree.h (tree_value_handle): Remove struct value_set declaration.
344 Change value_set to bitmap_set.
345 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
346 * tree-vn.c (get_value_handle): Made inline and moved to
348 * tree-flow-inline.h: (has_stmt_ann): New function.
349 * tree-ssa-pre.c (expressions): New variable.
350 (next_expression_id): Ditto.
351 (alloc_expression_id): New function.
352 (struct value_set): Remove.
353 (get_expression_id): New function.
354 (get_or_alloc_expression_id): Ditto.
355 (expression_for_id): Ditto.
356 (clear_expression_ids): Ditto.
357 (FOR_EACH_EXPR_ID_IN_SET): New macro.
358 (bb_value_sets): Renamed to bb_bitmap_sets.
359 All value sets replaced with bitmap_sets.
361 (BB_VISITED): New macro.
362 (postorder): New variable.
363 (add_to_value): Removed.
364 (value_exists_in_set_bitmap): Ditto.
365 (value_insert_into_set_bitmap): Ditto.
369 (set_contains_value): Ditto.
370 (insert_into_set): Ditto.
372 (find_leader): Ditto.
373 (bitmap_set_subtract_from_value_set): Ditto.
374 (value_insert_into_set): Ditto.
375 (print_value_set): Ditto.
376 (debug_value_set): Ditto.
377 (constant_expr_p): New function.
378 (bitmap_remove_from_set): Ditto.
379 (bitmap_insert_into_set): Ditto.
380 (bitmap_set_free): Ditto.
382 (sorted_array_from_bitmap_set): Ditto.
383 (bitmap_set_subtract): Ditto.
384 (bitmap_set_equal): Ditto.
385 (debug_bitmap_set): Ditto.
386 (find_leader_in_sets): Ditto.
387 (bitmap_set_replace_value): Modify for bitmapped sets.
388 (phi_translate): Ditto.
389 (phi_translate_set): Ditto.
390 (bitmap_find_leader): Ditto.
391 (valid_in_sets): Ditto.
392 (union_contains_value): Ditto.
394 (compute_antic_aux): Ditto. Mark changed blocks.
395 (compute_antic): Ditto. Iterate in postorder and only over
397 (compute_rvuse_and_antic_safe): Reuse postorder.
398 (create_component_ref_by_pieces): Modify for bitmapped sets.
399 (find_or_generate_expression): Ditto.
400 (create_expression_by_pieces): Ditto.
401 (insert_into_preds_of_block): Ditto.
402 (changed_blocks): New variable.
403 (do_regular_insertion): Broken out from insert_aux.
404 (insert_aux): Modified for bitmapped sets.
405 (find_existing_value_expr): New function.
406 (create_value_expr_from): Use it.
407 (insert_extra_phis): Removed.
408 (print_bitmap_set): Renamed from bitmap_print_value_set.
409 (compute_avail): Handle RETURN_EXPR.
410 (init_pre): Modify for bitmapped sets.
411 * tree-flow.h (has_stmt_ann): New function.
413 2006-10-29 Roger Sayle <roger@eyesopen.com>
415 * builtins.c (fold_builtin_floor): Check for the availability of
416 the C99 trunc function before transforming floor into trunc.
418 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
420 * builtins.c (fold_builtin_hypot): Rearrange recursive
421 transformation before others, and also do ABS_EXPR. When
422 necessary, check flag_unsafe_math_optimizations. When necessary,
425 2006-10-29 Roger Sayle <roger@eyesopen.com>
427 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
428 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
429 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
430 Fold -X eq/ne -Y as X eq/ne Y.
432 2006-10-29 Richard Sandiford <richard@codesourcery.com>
434 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
435 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
436 rather than GENERATE_MULT3_SI in the various define_peephole2s.
437 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
438 Use an inclusive test for "mult" rather than "mul".
439 (rotr<mode>3): Depend on ISA_HAS_ROR.
440 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
442 (GENERATE_MULT3_DI): Delete.
443 (ISA_HAS_64BIT_REGS): Use consistent formatting.
444 (ISA_HAS_MUL3): New macro.
445 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
446 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
447 (ISA_HAS_CLZ_CLO): Likewise.
448 (ISA_HAS_DCLZ_DCLO): Delete.
449 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
450 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
451 the VR4120 and VR4130.
452 (ISA_HAS_MACCHI): Use consistent formatting.
453 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
454 (ISA_HAS_ROR): ...this new macro.
455 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
456 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
457 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
459 2006-10-29 Roger Sayle <roger@eyesopen.com>
461 PR tree-optimization/15458
462 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
465 2006-10-29 Richard Guenther <rguenther@suse.de>
467 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
468 (ix86_expand_truncdf_32): Likewise.
469 * config/i386/i386.c (ix86_expand_trunc): New function expanding
470 trunc inline for SSE math and -fno-trapping-math and if not
472 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
473 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
474 for expanding btrunc inline for SSE math.
476 2006-10-29 Joseph Myers <joseph@codesourcery.com>
478 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
479 Handle tuning for bi-arch i[34567]86-*-linux* like that for
480 i[34567]86-*-solaris2.1[0-9]*.
481 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
482 Define conditionally depending on TARGET_64BIT_DEFAULT.
483 (SPEC_32, SPEC_64): Define.
484 (LINK_SPEC): Use them.
485 * doc/install.texi (--enable-targets=all): Document for x86-linux.
487 2006-10-29 Richard Guenther <rguenther@suse.de>
489 * config/i386/i386-protos.h (ix86_expand_round): Declare.
490 (ix86_expand_rounddf_32): Likewise.
491 * config/i386/i386.c (ix86_expand_round): New function expanding
492 round inline for SSE math and -fno-trapping-math and if not
494 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
495 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
496 round via ix86_expand_round.
498 2006-10-29 Richard Guenther <rguenther@suse.de>
500 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
501 (ix86_expand_floorceildf_32): Likewise.
502 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
503 static helper function.
504 (ix86_expand_floorceil): Expander for floor and ceil to SSE
506 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
507 * config/i386/i386.md (floordf2): Adjust to enable floor
508 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
509 -fno-trapping-math is enabled and if not optimizing for size.
510 (floorsf2, ceildf2, ceilsf2): Likewise.
511 * config/i386/sse.md (sse_maskcmpsf3): New insn.
512 (sse2_maskcmpdf3): Likewise.
514 2006-10-29 Richard Guenther <rguenther@suse.de>
516 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
517 rint in case -fno-trapping-math is enabled.
518 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
519 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
520 (ix86_expand_sse_fabs): Likewise.
521 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
522 * config/i386/i386.md (rintdf2): Enable for SSE math if
523 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
526 2006-10-29 Richard Guenther <rguenther@suse.de>
528 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
529 to conversion optabs.
530 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
532 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
533 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
534 (lfloor_optab, lceil_optab): Adjust defines.
535 * builtins.c (expand_builtin_int_roundingfn): Adjust for
536 lfloor and lceil optabs now being conversion optabs.
537 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
538 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
539 New static helper function.
540 (ix86_expand_lfloorceil): New function to expand lfloor and
542 * config/i386/i386.md (lfloor<mode>2): Split into ...
543 (lfloorxf<mode>2): ... x87 variant
544 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
545 using ix86_expand_lfloorceil.
546 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
548 * doc/md.texi (lfloorMN, lceilMN): Document.
550 2006-10-29 Richard Sandiford <richard@codesourcery.com>
552 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
553 -mno-shared assembler option on mips targets.
554 * configure, config.in: Regenerate.
555 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
556 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
557 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
559 2006-10-29 Richard Sandiford <richard@codesourcery.com>
561 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
562 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
564 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
566 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
567 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
570 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
573 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
574 (fold_builtin_pow): Evaluate constant arguments at compile-time
576 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
577 (do_mpfr_ckconv): New helper function.
578 (do_mpfr_arg1): Use do_mpfr_ckconv.
581 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
584 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
585 (-fdump-rtl-sched): Rename to ..
586 (-fdump-rtl-sched1): here. Also fix file extension number.
588 2006-10-28 Richard Guenther <rguenther@suse.de>
590 * fold-const.c (maybe_canonicalize_comparison): Fix code
593 2006-10-28 Uros Bizjak <uros@kss-loka.si>
595 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
596 (NON_QI_REG_P): Use IN_RANGE.
597 (REX_INT_REGNO_P): Use IN_RANGE.
598 (FP_REGNO_P): Use IN_RANGE.
599 (SSE_REGNO_P): Use IN_RANGE.
600 (REX_SSE_REGNO_P): Use IN_RANGE.
601 (MMX_REGNO_P): Use IN_RANGE.
602 (STACK_REGNO_P): New macro.
603 (STACK_REG_P): Use STACK_REGNO_P.
604 (NON_STACK_REG_P): Use STACK_REGNO_P.
605 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
606 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
607 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
608 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
609 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
611 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
613 * except.h (output_function_exception_table): Add 'const char*' param.
614 * except.c (switch_to_exception_section): Add 'const char*' param.
615 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
616 and flag_function_sections is set, use a function-specific section.
617 (output_function_exception_table): Add 'const char*' param.
618 Adjust call to switch_to_exception_section.
619 * final.c (rest_of_handle_final): Adjust calls to
620 output_function_exception_table.
621 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
622 * config.in: Regenerate.
623 * configure: Likewise.
625 2006-10-28 Richard Guenther <rguenther@suse.de>
628 * fold-const.c (maybe_canonicalize_comparison_1): Helper
629 for maybe_canonicalize_comparison.
630 (maybe_canonicalize_comparison): New function for canonicalizing
632 (fold_comparison): Call it to canonicalize comparisons with
635 2006-10-28 Richard Guenther <rguenther@suse.de>
638 * builtins.c (expand_builtin_int_roundingfn_2): Expand
639 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
640 (expand_builtin): Adjust likewise.
641 * genopinit.c (optabs[]): Add lround optab.
642 * optabs.c (init_optabs): Initialize lround_optab.
643 * optabs.h (enum convert_optab_index): Add COI_lround.
644 (lround_optab): Define.
645 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
646 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
648 (ix86_expand_lround): New function.
649 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
651 * doc/md.texi (lroundMN2): Document.
653 2006-10-28 Uros Bizjak <uros@kss-loka.si>
656 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
657 argument to HOST_WIDE_INT. Update function prototype.
658 (round_frame_size): Change return type to HOST_WIDE_INT. Change
659 "size" argument to HOST_WIDE_INT. Update function prototype.
661 2006-10-28 Uros Bizjak <uros@kss-loka.si>
663 * config/i386/i386.c (output_387_ffreep): Create output from a
664 template string for !HAVE_AS_IX86_FFREEP.
666 2006-10-27 Eric Christopher <echristo@apple.com>
668 * config/darwin.c: Fix formatting and grammar.
670 2006-10-27 Jan Hubicka <jh@suse.cz>
672 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
673 to be thrown away soon when IGNORE is set.
674 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
675 indicating when return value shall not be computed.
676 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
678 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
680 * config/i386/i386.h (TARGET_GEODE):
681 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
682 (TARGET_CPU_DEFAULT_geode): New macro.
683 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
684 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
685 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
686 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
687 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
689 (TARGET_CPU_DEFAULT_NAMES): Add geode.
690 (processor_type): Add PROCESSOR_GEODE.
692 * config/i386/i386.md: Include geode.md.
695 * config/i386/i386.c (geode_cost): New initialized global
697 (m_GEODE, m_K6_GEODE): New macros.
698 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
699 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
700 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
701 x86_schedule): Use m_K6_GEODE instead of m_K6.
702 (x86_movx, x86_cmove): Set up m_GEODE.
703 (x86_integer_DFmode_moves): Clear m_GEODE.
704 (processor_target_table): Add entry for geode.
705 (processor_alias_table): Ditto.
707 * config/i386/geode.md: New file.
709 * doc/invoke.texi: Add entry about geode processor.
711 2006-10-27 Mike Stump <mrs@apple.com>
713 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
714 __DYNAMIC__ from here back to ...
715 * config/darwin.h (CPP_SPEC): ... here.
717 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
718 Nathan Sidwell <nathan@codesourcery.com>
720 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
721 when choosing the minimum heapsize.
723 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
725 * gcc/unwind-dw2.h: Move cfa-related variables into
726 struct frame_state_reg_info to ensure that the CFA is properly
727 handled when executing DW_CFA_{remember,restore}_state.
728 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
729 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
730 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
731 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
732 gcc/config/rs6000/linux-unwind.h,
733 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
734 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
735 Modify to use new cfa_* fields.
737 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
739 * config/s390/s390.c (s390_init_frame_layout): Check positive
742 2006-10-26 Ben Elliston <bje@au.ibm.com>
744 * gimplify.c (get_name): Remove extraneous break.
745 (gimplify_omp_for): Initialise ret with GS_OK.
747 2006-10-25 Steve Ellcey <sje@cup.hp.com>
749 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
750 Add unix98.o to link line.
752 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
755 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
756 Calculate compile-time constants using MPFR.
757 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
758 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
760 2006-10-25 Bob Wilson <bob.wilson@acm.org>
762 * config/xtensa/lib2funcs.S: Use C-style comments.
764 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
766 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
767 (file_table_relative_p): Likewise.
768 (dwarf2out_finish): Likewise.
769 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
771 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
773 * tree-ssa-structalias.c (intra_create_variable_infos):
774 Don't recreate nonlocal_all if it already exists.
776 2006-10-25 Richard Guenther <rguenther@suse.de>
779 * optabs.h (enum optab_index): Remove OTI_lrint.
780 (enum convert_optab_index): Add COI_lrint.
781 (lrint_optab): Adjust.
782 (expand_sfix_optab): Declare.
783 * optabs.c (expand_sfix_optab): New function.
784 (init_optabs): Init lrint_optab as conversion optab.
785 * genopinit.c (lrint_optab): Change to a conversion optab.
786 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
787 expansion via conversion optab.
788 * config/i386/i386.md (*fistdi2_1): Remove
789 flag_unsafe_math_optimizations guard.
790 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
791 fist<mode>2_with_temp): Likewise.
792 (lrint<mode>2): Split into...
793 (lrintxf<mode>2): ... x87 part
794 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
795 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
796 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
797 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
798 * doc/md.texi (lrintMN2): Document.
800 2006-10-25 Uros Bizjak <uros@kss-loka.si>
803 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
804 Use inc and dec instructions for TARGET_USE_INCDEC.
805 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
806 ("sync_double_compare_and_swap<mode>"): Likewise.
807 ("*sync_double_compare_and_swapdi_pic"): Likewise.
808 ("*sync_compare_and_swap_cc<mode>"): Likewise.
809 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
810 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
811 ("sync_old_add<mode>"): Likewise.
812 ("sync_lock_test_and_set<mode>"): Likewise.
813 ("sync_lock_test_and_set<mode>"): Likewise.
814 ("sync_add<mode>"): Likewise.
815 ("sync_sub<mode>"): Likewise.
816 ("sync_ior<mode>"): Likewise.
817 ("sync_and<mode>"): Likewise.
818 ("sync_xor<mode>"): Likewise.
820 2006-10-25 Uros Bizjak <uros@kss-loka.si>
822 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
823 (remainder_optab): Define corresponding macro.
824 (drem_optab): Remove.
825 * optabs.c (init_optabs): Initialize remainder_optab. Remove
826 drem_optab initialization.
827 * genopinit.c (optabs): Implement remainder_optab using
828 remainder?f3 patterns. Remove drem_optab.
829 * builtins.c (expand_builtin_mathfn_2): Handle
830 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
831 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
832 expand_builtin_mathfn_2.
834 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
835 depend on flag_unsafe_math_optimizations.
837 * config/i386/i386.md ("remaindersf3", "remainderdf3")
838 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
839 Do not depend on flag_unsafe_math_optimizations. Use
840 truncxf?f expander instead of truncxf?f_i387_noop.
842 ("fpremxf4", "fprem1xf4"): Do not depend on
843 flag_unsafe_math_optimizations.
844 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
845 flag_unsafe_math_optimizations. Use truncxf?f expander
846 instead of truncxf?f_i387_noop.
848 * doc/md.texi (fmod, remainder): Document standard named pattern.
850 2006-10-24 Richard Sandiford <richard@codesourcery.com>
851 David Daney <ddaney@avtrex.com>
854 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
856 2006-10-25 Ben Elliston <bje@au.ibm.com>
858 * doc/extend.texi (Variable Attributes): Typo fix.
860 2006-10-24 Uros Bizjak <uros@kss-loka.si>
862 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
863 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
864 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
865 (FRAME_POINTER_REGNUM): Update register number to 21.
866 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
867 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
869 * config/i386/i386.c (regclass_map): Add fpcr entry.
870 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
872 (print_reg): Assert REGNO (x) != FPCR_REG.
874 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
875 (DIRFLAG_REG): Renumber.
876 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
877 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
878 (sse_prologue_save, *sse_prologue_save_insn): Renumber
879 hardcoded SSE register numbers.
881 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
882 hardcoded MMX register numbers.
884 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
887 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
888 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
890 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
891 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
892 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
893 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
895 2006-10-24 Richard Guenther <rguenther@suse.de>
898 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
899 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
900 for deciding optimizations in consistency with fold-const.c
901 (fold_builtin_unordered_cmp): Likewise.
903 2006-10-24 Richard Guenther <rguenther@suse.de>
905 * builtins.c (fold_builtin_floor): Fold floor (x) where
906 x is nonnegative to trunc (x).
907 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
908 nonnegative to FIX_TRUNC_EXPR.
910 2006-10-24 Richard Guenther <rguenther@suse.de>
912 PR tree-optimization/29567
913 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
914 for TRUTH_NOT_EXPR. Clarify comments.
916 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
919 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
920 at compile-time using MPFR. Change parameter VALUE to FUNC,
922 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
923 for overflow and underflow at all times and avoid folding in
926 2006-10-24 Ben Elliston <bje@au.ibm.com>
928 * reload1.c: Formatting fixes.
930 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
932 PR tree-optimization/14784
933 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
934 * tree-ssa-structalias.c (get_constraint_for,
935 intra_create_variable_infos): Set is_heapvar.
936 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
937 non-heapvar pointer variables specially.
939 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
942 * builtins.c (fold_builtin_sin, fold_builtin_cos,
943 fold_builtin_tan): Fold all constant arguments. Take a "type"
944 argument as necessary.
946 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
948 2006-10-23 Bob Wilson <bob.wilson@acm.org>
950 * config/xtensa/lib1funcs.asm: Use C-style comments.
952 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
954 * tree.c (local_define_builtin): Replace calls to
955 lang_hooks.builtin_function with add_builtin_function.
956 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
958 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
960 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
961 common code to add_builtin_function.
962 * langhooks.c (add_builtin_function): New function.
963 (lhd_builtin_function): New function.
964 * langhooks.h (struct lang_hooks): Change the signature of
966 (add_builtin_function): New function.
967 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
968 calls to lang_hooks.builtin_function with add_builtin_function.
969 * c-common.c (decl_builtin_1): Replace calls to
970 lang_hooks.builtin_function with add_builtin_function.
971 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
972 lang_hooks.builtin_function with add_builtin_function.
973 * config/frv/frv.c (def_builtin): Replace calls to
974 lang_hooks.builtin_function with add_builtin_function.
975 * config/s390/s390.c (s390_init_builtins): Replace calls to
976 lang_hooks.builtin_function with add_builtin_function.
977 * config/sparc/sparc.c (def_builtin): Replace calls to
978 lang_hooks.builtin_function with add_builtin_function.
979 * config/i386/i386.c (def_builtin): Replace calls to
980 lang_hooks.builtin_function with add_builtin_function.
981 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
982 lang_hooks.builtin_function with add_builtin_function.
983 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
984 lang_hooks.builtin_function with add_builtin_function.
985 * config/stormy16/stormy16.c (xstormy16_init_builtins):
986 Replace calls to lang_hooks.builtin_function with
987 add_builtin_function.
988 * config/iq2000/iq2000.c (def_builtin):
989 Replace calls to lang_hooks.builtin_function with
990 add_builtin_function.
991 * config/ia64/ia64.c (def_builtin): Replace calls to
992 lang_hooks.builtin_function with add_builtin_function.
993 * config/rs6000/rs6000.c (def_builtin): Replace calls to
994 lang_hooks.builtin_function with add_builtin_function.
995 (altivec_init_builtins): Replace calls to
996 lang_hooks.builtin_function with add_builtin_function.
997 * config/arm/arm.c (def_mbuiltin): Replace calls to
998 lang_hooks.builtin_function with add_builtin_function.
999 (arm_init_tls_builtins): Replace calls to
1000 lang_hooks.builtin_function with add_builtin_function.
1001 * config/mips/mips.c (mips_init_builtins): Replace calls to
1002 lang_hooks.builtin_function with add_builtin_function.
1003 * config/bfin/bfin.c (def_builtin): Replace calls to
1004 lang_hooks.builtin_function with add_builtin_function.
1005 * langhooks-def.h (lhd_builtin_function): New function.
1006 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1008 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1010 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1011 BUILT_IN_STRNCAT_CHK.
1013 2006-10-23 Jan Hubicka <jh@suse.cz>
1015 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1016 don't do conversion from memmove to memcpy here.
1017 (expand_builtin_bcopy, expand_builtin): Update call of
1018 expand_builtin_memmove.
1019 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1021 2006-10-23 Paul Brook <paul@codesourcery.com>
1023 * stor-layout.c (start_record_layout): maximum_field_alignment
1024 overrides STRUCTURE_SIZE_BOUNDARY.
1026 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1028 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1029 nonlocal function symbols if flag_pic.
1031 2006-10-23 Richard Guenther <rguenther@suse.de>
1035 * builtins.c (fold_binary): Remove checks for flag_wrapv
1036 and flag_trapv where negate_expr_p covers these cases.
1038 2006-10-23 Richard Guenther <rguenther@suse.de>
1041 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1042 of two on the absolute value.
1043 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1044 and negating -C does not overflow.
1046 2006-10-23 Richard Guenther <rguenther@suse.de>
1049 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1050 only if not flag_rounding_math.
1052 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1053 Kaz Kojima <kkojima@gcc.gnu.org>
1056 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1057 SImode memory reference for the source of a movua.
1058 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1059 (movua): Use an unspec instead of sign_extract. Expect the source
1060 to have mode BLKmode.
1061 (extv, insv): Use a BLKmode rather than SImode memory reference
1062 for the source of a movua.
1064 2006-10-22 Jeff Law <law@redhat.com>
1065 Richard Guenther <rguenther@suse.de>
1067 PR tree-optimization/15911
1068 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1069 (register_edge_assert_for_1): Likewise.
1070 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1071 (find_conditional_asserts): Adjust for new function signature.
1072 (find_assert_locations): Likewise.
1074 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1076 * config/i386/tmmintrin.h: Remove the duplicated content.
1078 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1080 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1081 (x86_64-*-*): Likewise.
1083 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1084 (override_options): Check SSSE3.
1085 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1086 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1087 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1088 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1089 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1090 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1091 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1092 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1093 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1094 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1095 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1096 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1097 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1098 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1099 IX86_BUILTIN_PABSD128.
1100 (bdesc_2arg): Add SSSE3.
1101 (bdesc_1arg): Likewise.
1102 (ix86_init_mmx_sse_builtins): Support SSSE3.
1103 (ix86_expand_builtin): Likewise.
1104 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1106 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1107 (UNSPEC_PSIGN): Likewise.
1108 (UNSPEC_PALIGNR): Likewise.
1109 Include mmx.md before sse.md.
1111 * config/i386/i386.opt: Add -mssse3.
1113 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1114 (ssse3_phaddwv4hi3): Likewise.
1115 (ssse3_phadddv4si3): Likewise.
1116 (ssse3_phadddv2si3): Likewise.
1117 (ssse3_phaddswv8hi3): Likewise.
1118 (ssse3_phaddswv4hi3): Likewise.
1119 (ssse3_phsubwv8hi3): Likewise.
1120 (ssse3_phsubwv4hi3): Likewise.
1121 (ssse3_phsubdv4si3): Likewise.
1122 (ssse3_phsubdv2si3): Likewise.
1123 (ssse3_phsubswv8hi3): Likewise.
1124 (ssse3_phsubswv4hi3): Likewise.
1125 (ssse3_pmaddubswv8hi3): Likewise.
1126 (ssse3_pmaddubswv4hi3): Likewise.
1127 (ssse3_pmulhrswv8hi3): Likewise.
1128 (ssse3_pmulhrswv4hi3): Likewise.
1129 (ssse3_pshufbv16qi3): Likewise.
1130 (ssse3_pshufbv8qi3): Likewise.
1131 (ssse3_psign<mode>3): Likewise.
1132 (ssse3_psign<mode>3): Likewise.
1133 (ssse3_palignrti): Likewise.
1134 (ssse3_palignrdi): Likewise.
1135 (abs<mode>2): Likewise.
1136 (abs<mode>2): Likewise.
1138 * config/i386/tmmintrin.h: New file.
1140 * doc/extend.texi: Document SSSE3 built-in functions.
1142 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1144 2006-10-22 Ira Rosen <irar@il.ibm.com>
1146 * tree-vect-transform.c (vectorizable_load): Use the type of the
1147 return value of the mask_for_load builtin to create realign_load
1150 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1152 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1155 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1157 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1158 (UNSPEC_LDDQU): This.
1159 * config/i386/sse.md (sse3_lddqu): Updated.
1161 2006-10-21 Richard Guenther <rguenther@suse.de>
1163 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1164 (expand_builtin): Use it to expand lrint instead of
1165 expand_builtin_mathfn.
1167 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1170 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1171 flag_unsafe_math_optimizations is set.
1173 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1176 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1177 patterns to use memory input operand in x87->mem->XMM
1178 reload sequences. Skip transformation for TARGET_K8.
1180 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1182 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1183 force operand1 to register if both operands are memory operands.
1184 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1185 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1186 if both operands are memory operands.
1187 (truncdfsf2): Do not force operand1 to register if both operands
1188 are memory operands.
1190 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1192 * Makefile.in (LIBS): Add $(GMPLIBS).
1193 * doc/install.texi: Update GMP and MPFR requirements.
1194 * doc/sourcebuild.texi (need_gmp): Delete.
1196 2006-10-21 Richard Guenther <rguenther@suse.de>
1198 PR tree-optimization/3511
1199 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1200 got new invariant arguments during PHI translation.
1202 2006-10-21 Richard Guenther <rguenther@suse.de>
1205 * fold-const.c (fold_comparison): Fold signed comparisons
1206 of the form X +- C1 CMP Y +- C2.
1208 2006-10-21 Richard Guenther <rguenther@suse.de>
1211 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1212 if flag_unsafe_math_optimizations is specified. We have
1213 flag_finite_math_only for that.
1214 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1215 or flag_unsafe_math_optimizations.
1217 2006-10-21 Richard Guenther <rguenther@suse.de>
1219 * builtins.c (fold_builtin_classify): Fix typo.
1221 2006-10-21 Richard Guenther <rguenther@suse.de>
1224 * simplify-rtx.c (simplify_const_relational_operation):
1225 Do not constant-fold ORDERED and UNORDERED for
1226 flag_unsafe_math_optimizations but only we do not need to
1227 honor NaNs for the given mode.
1229 2006-10-21 Richard Guenther <rguenther@suse.de>
1232 * config/i386/i386.c (classify_argument): Remove redundant
1233 walking of the BINFOs.
1234 (contains_128bit_aligned_vector_p): Likewise.
1236 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1238 * BASE-VER: Set to 4.3.0.
1240 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1242 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1243 (tree_decl_with_vis): Remove artificial_pta_var flag.
1244 * tree-flow.h (referenced_var_check_and_insert): Expose.
1245 (nonlocal_all): New prototype.
1246 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1247 (nonlocal_all): Make global.
1248 (nonlocal_lookup): Remove.
1249 (nonlocal_insert): Ditto.
1250 (create_nonlocal_var): Do not call nonlocal_insert.
1251 (get_nonlocal_id_for_type): Remove.
1252 (find_global_initializers): Mark new vars we find for renaming.
1253 (intra_create_variable_infos): Only create one nonlocal.
1254 (expand_nonlocal_solutions): Remove.
1255 (compute_points_to_sets): Don't call it.
1256 (ipa_pta_execute): Ditto.
1257 (init_alias_heapvars): Don't create nonlocal_for_type.
1258 (delete_alias_heapvars): Don't remove it.
1259 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1262 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1264 * doc/install.texi (Downloading GCC): Clarify mention of
1265 Fortran in the "full distribution" description.
1267 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1269 Fix PR tree-optimization/28778
1270 Fix PR tree-optimization/29156
1271 Fix PR tree-optimization/29415
1272 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1273 (tree_decl_with_vis): Add artificial_pta_var flag.
1274 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1275 pushed into callers.
1276 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1277 (nonlocal_all): Ditto.
1278 (struct variable_info): Add directly_dereferenced member.
1279 (var_escaped_vars): New variable.
1280 (escaped_vars_tree): Ditto.
1281 (escaped_vars_id): Ditto.
1282 (nonlocal_vars_id): Ditto.
1283 (new_var_info): Set directly_dereferenced.
1284 (graph_size): New variable
1285 (build_constraint_graph): Use graph_size.
1286 (solve_graph): Don't process constraints that cannot change the
1287 solution, don't try to propagate an empty solution to our
1289 (process_constraint): Set directly_dereferenced.
1290 (could_have_pointers): New function.
1291 (get_constraint_for_component_ref): Don't process STRING_CST.
1292 (nonlocal_lookup): New function.
1293 (nonlocal_insert): Ditto.
1294 (create_nonlocal_var): Ditto.
1295 (get_nonlocal_id_for_type): Ditto.
1296 (get_constraint_for): Allow results vector to be empty in the case
1297 of string constants.
1298 Handle results of calls properly.
1299 (update_alias_info): Update alias info stats on number and type of
1301 (find_func_aliases): Use could_have_pointers.
1302 (make_constraint_from_escaped): Renamed from
1303 make_constraint_to_anything, and changed to make constraints from
1305 (make_constraint_to_escaped): New function.
1306 (find_global_initializers): Ditto.
1307 (create_variable_info_for): Make constraint from escaped to any
1308 global variable, and from any global variable to the set of
1310 (intra_create_variable_infos): Deal with escaped instead of
1311 pointing to anything.
1312 (set_uids_in_ptset): Do type pruning on directly dereferenced
1314 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1315 (init_base_vars): Fix comment, and initialize escaped_vars.
1316 (need_to_solve): Removed.
1317 (find_escape_constraints): New function.
1318 (expand_nonlocal_solutions): Ditto.
1319 (compute_points_to_sets): Call find_escape_constraints and
1320 expand_nonlocal_solutions.
1321 (delete_points_to_sets): Don't fall off the end of the graph.
1322 (init_alias_heapvars): Initialize nonlocal_for_type and
1324 (delete_alias_heapvars): Free nonlocal_for_type and null out
1327 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1329 * fold-const.c (add_double): Rename to add_double_with_sign.
1330 Add 'unsigned_p' parameter and take it into account for the overflow.
1331 (mul_double): Rename to mul_double_with_sign.
1332 Add 'unsigned_p' parameter and take it into account for the overflow.
1333 (fold_div_compare): Call add_double_with_sign instead of add_double
1334 and mul_double_with_sign instead of mul_double, passing them the
1335 unsignedness of the type.
1336 * tree.h (add_double): Macroize.
1337 (add_double_with_sign): New prototype.
1338 (mul_double): Macroize.
1339 (mul_double_with_sign): New prototype.
1341 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1343 * config/score/crti.asm: New file.
1344 * config/score/crtn.asm: New file.
1345 * config/score/elf.h: New file.
1346 * config/score/mac.md: New file.
1347 * config/score/misc.md: New file.
1348 * config/score/mul-div.S: New file.
1349 * config/score/predicates.md: New file.
1350 * config/score/score7.md: New file.
1351 * config/score/score.c: New file.
1352 * config/score/score-conv.h: New file.
1353 * config/score/score.h: New file.
1354 * config/score/score.md: New file.
1355 * config/score/score-mdaux.c: New file.
1356 * config/score/score-mdaux.h: New file.
1357 * config/score/score-modes.def: New file.
1358 * config/score/score.opt: New file.
1359 * config/score/score-protos.h: New file.
1360 * config/score/score-version.h: New file.
1361 * config/score/t-score-elf: New file.
1362 * config.gcc: Add score*-*-* configurations(Update before).
1363 * doc/invoke.texi (Score Options): New section.
1364 * doc/md.texi (Score family): New section to document constraints.
1366 2006-10-19 Nick Clifton <nickc@redhat.com>
1368 * config/arm/arm.c: Fix spelling typo.
1370 2006-10-18 Tom Tromey <tromey@redhat.com>
1372 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1374 2006-10-18 Jan Hubicka <jh@suse.cz>
1377 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1380 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1382 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1383 TSI_SAME_STMT, since that's the desired entity.
1385 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1387 * config/s390/contraints.md: New file.
1388 * config/s390/s390-protos.h (s390_mem_constraint,
1389 s390_O_constraint_str, s390_N_constraint_str,
1390 s390_float_const_zero_p): Function prototypes added.
1391 * config/s390/s390.c (s390_extra_constraint_str,
1392 s390_const_double_ok_for_constraint_p,
1393 s390_const_ok_for_constraint_p): Functions removed.
1394 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1395 s390_float_const_zero_p): New functions.
1396 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1397 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1398 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1399 Macro definitions removed.
1400 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1401 s390_extra_constraint_str): Functions removed.
1403 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1404 Richard Sandiford <richard@codesourcery.com>
1407 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1408 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1410 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1412 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1413 (DWARF2_FRAME_REG_OUT): Likewise.
1414 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1415 (DWARF2_FRAME_REG_OUT): Likewise.
1417 2006-10-17 Paul Brook <paul@codesourcery.com>
1419 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1421 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1423 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1424 Standardize on "GNU Fortran" as the official name of the Fortran
1427 2006-10-16 Mike Stump <mrs@apple.com>
1429 * doc/invoke.texi (Darwin Options): Document -mkernel.
1430 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1432 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1433 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1434 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1435 (OS_MISSING_ALTIVEC): Add.
1436 * config/i386/i386.c (override_options): Add
1437 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1438 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1439 -mkernel, -static or -mdynamic-no-pic is given.
1440 (C_COMMON_OVERRIDE_OPTIONS): Add.
1441 * config/darwin.opt (fapple-kext): Add.
1443 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1444 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1446 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1447 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1448 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1449 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1450 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1451 (flag_mkernel): Add.
1452 (flag_apple_kext): Add.
1453 (TARGET_KEXTABI): Add.
1454 * config/darwin.c (darwin_handle_kext_attribute): Add.
1455 (DARWIN_VTABLE_P): Add.
1456 (darwin_binds_local_p): Add partial support for rebinding vtables
1458 (darwin_kextabi_p): Add.
1459 (darwin_override_options): Add.
1460 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1461 (darwin_kextabi_p): Add.
1462 (darwin_override_options): Add.
1463 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1464 __DYNAMIC__ and __STATIC__ here.
1466 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1468 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1469 Added mention of "make pdf" target, and Texinfo requirements for
1472 2006-10-16 DJ Delorie <dj@redhat.com>
1474 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1475 into the GOT in case we need a subreg of the address.
1477 2006-10-16 Richard Guenther <rguenther@suse.de>
1480 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1481 SSE builtin documentation. Document SSE2 builtins.
1483 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1485 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1486 symbol in the output file for non-shared links when -nostdlib or
1487 -nodefaultlibs isn't specified.
1489 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1490 posix thread support.
1492 2006-10-15 Jan Hubicka <jh@suse.cz>
1495 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1496 declared always_inline even when not inlining.
1498 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1499 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1500 Andrew Pinski <pinskia@gmail.com>
1503 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1505 2006-10-15 Jan Hubicka <jh@suse.cz>
1506 Richard Guenther <rguenther@suse.de>
1509 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1510 process_function_and_variable_attributes on all variables, including
1511 those discovered during cgraph construction phase.
1513 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1515 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1517 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1519 * config/i386/athlon.md (athlon_fist): Add fisttp.
1521 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1522 Ian Lance Taylor <ian@airs.com>
1525 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1526 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1529 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1531 * config/score/score.c, config/score/score.h: Fix comment
1534 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1537 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1540 2006-10-13 Eric Christopher <echristo@apple.com>
1542 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1544 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1547 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1548 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1549 alignment supported by 32-bit ELF.
1551 2006-10-13 Eric Christopher <echristo@apple.com>
1553 * config/darwin.c (darwin_emit_unwind_label): Strip
1554 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1556 2006-10-13 Richard Guenther <rguenther@suse.de>
1558 PR tree-optimization/29446
1559 * tree-vrp.c (fix_equivalence_set): Remove.
1560 (extract_range_from_assert): Do not call fix_equivalence_set.
1561 (debug_value_range): Print a newline.
1562 (compare_name_with_value): For equivalence sets with
1563 inconsistent value ranges conservatively bail out.
1564 (compare_names): Likewise.
1566 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1568 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1569 and MPFR for gfortran.
1571 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1573 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1574 alignment supported by 32-bit ELF.
1576 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1580 * c-typeck.c (digest_init): Always allow initializing vectors
1581 that have static storage duration with compound literals.
1582 * tree.c (build_type_attribute_qual_variant): New, based on
1583 build_type_attribute_variant.
1584 (build_type_attribute_variant): Rewrite using the former.
1585 (make_vector_type): Use build_type_attribute_qual_variant to build
1586 type variants. Use type_hash_canon on the others.
1588 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1589 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1591 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1593 2006-10-12 Jan Hubicka <jh@suse.cz>
1596 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1597 current_function_decl is set but current_function_scope is not.
1599 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1601 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1602 emit_insn to emit eh_return_internal instruction.
1603 (eh_return_internal): Explicitly set pc.
1605 2006-10-11 Richard Guenther <rguenther@suse.de>
1607 PR tree-optimization/28230
1608 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1609 to the correct place.
1611 2006-10-11 Richard Guenther <rguenther@suse.de>
1614 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1617 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1619 * configure.ac: Added pdf to "Make-hooks"
1620 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1621 targets and *.pdf file patterns in cleanup targets.
1622 * configure: Regenerated.
1624 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1626 * config/avr/predicates.md: New file.
1627 * config/avr/avr.md: Include it.
1628 (REG_SP): New constant.
1629 (peepholes): Use predicates.
1630 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1631 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1632 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1634 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1636 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1639 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1642 * builtins.c (var_decl_component_p): New function.
1643 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1644 single entry optimization to variables and components thereof.
1646 2006-10-10 Richard Guenther <rguenther@suse.de>
1648 PR rtl-optimization/29323
1649 * except.c (set_nothrow_function_flags): For functions
1650 that do not bind local bail out early.
1652 2006-10-10 Ben Elliston <bje@au.ibm.com>
1654 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1657 2006-10-09 Richard Henderson <rth@redhat.com>
1659 Revert emutls patch.
1661 2006-10-09 Richard Guenther <rguenther@suse.de>
1664 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1667 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1670 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1671 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1672 * configure: Regenerate.
1673 * config.in: Regenerate.
1675 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1677 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1679 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1681 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1682 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1683 Remove stray newline.
1685 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1687 * config/mips/mips.c (mips_classify_symbol): Do not return
1688 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1689 (mips_in_small_data_p): Tweak comments.
1691 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1693 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1695 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1697 * gimplify.c, sched-int.h: Fix comment typos.
1699 * sched-int.h: Fix comment typos.
1701 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1703 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1705 * sched-ebb.c (begin_schedule_ready): Use them.
1706 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1707 add_to_speculative_block, create_check_block_twin, speculate_insn,
1708 fix_jump_move, move_block_after_check): Ditto.
1709 * sched-rgn.c (new_ready): Ditto.
1711 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1713 PR rtl-optimization/29128
1714 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1715 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1716 allow interblock movement of speculation checks.
1718 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1721 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1722 casted to integer type.
1723 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1724 if they are significantly more expensive than [reg + index] ones.
1726 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1728 PR tree-optimization/29330
1729 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1730 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1731 on newly allocated ddrs.
1732 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1733 to VEC (loop_p, heap) pointer.
1734 (compute_data_dependences_for_loop): Adjust caller.
1735 (free_dependence_relations): Free DDR_LOOP_NEST.
1737 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1738 free DEPENDENCE_RELATIONS and DATAREFS.
1741 * builtins.c (expand_builtin_sync_operation,
1742 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1743 Use convert_to_mode to handle promoted arguments.
1745 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1747 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1749 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1751 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1753 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1755 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1756 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1757 Use <modeconstraint> instead of "r" as operand 1 constraint.
1759 2006-10-06 Olivier Hainque <hainque@adacore.com>
1761 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1762 Don't recurse on the pointed-to type.
1763 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1764 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1765 types with components of variable size.
1767 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1769 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1771 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1773 PR tree-optimization/29290
1774 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1778 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1779 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1782 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1783 the number of vector elements fill the rest with zeros.
1785 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1787 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1788 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1791 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1793 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1794 unnamed pattern into subsi3. Use correct constraints/predicates.
1795 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1796 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1798 2006-10-05 Ira Rosen <irar@il.ibm.com>
1800 * doc/loop.texi: Add data references analysis description.
1802 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1804 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1806 2006-10-04 Richard Henderson <rth@redhat.com>
1807 Jakub Jelinek <jakub@redhat.com>
1809 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1810 * builtin-types.def (BT_WORD): Make unsigned.
1811 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1812 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1813 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1814 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1815 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1816 * cgraph.c (decide_is_variable_needed): Look at force_output.
1817 Recurse for emulated tls.
1818 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1819 checks redundant with decide_is_variable_needed.
1820 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1821 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1823 * expr.c (emutls_var_address): New.
1824 (expand_expr_real_1): Expand emulated tls.
1825 (expand_expr_addr_expr_1): Likewise.
1826 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1827 * output.h (emutls_finish): Declare.
1828 * toplev.c (compile_file): Call it.
1829 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1830 address before wrapping in CONST.
1831 * varasm.c (emutls_htab, emutls_object_type): New.
1832 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1833 (get_emutls_object_name, get_emutls_object_type): New.
1834 (get_emutls_init_templ_addr, emutls_decl): New.
1835 (emutls_common_1, emutls_finish): New.
1836 (assemble_variable): When emulating tls, swap decls; generate
1837 constructor for the emutls objects.
1838 (do_assemble_alias): When emulating tls, swap decl and target name.
1839 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1841 * emutls.c: New file.
1842 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1843 tls_object for real tls.
1845 2006-10-04 Zack Weinberg <zackw@panix.com>
1847 Fix bug in constraint-check generator, reported by Rask Ingemann
1849 * genpreds.c (add_constraint): Don't remove anything from the
1851 (write_tm_constrs_h): Detect whether "op" argument is used, and
1852 mark it ARG_UNUSED if it isn't.
1853 (write_insn_const_int_ok_for_constraint): Skip the part of the
1854 expression that would test whether "op" (which is not available
1855 here) is a CONST_INT.
1857 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1860 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1862 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1864 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1865 current Leopard versions.
1866 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1868 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1870 * doc/install.texi: Fix typos.
1872 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1874 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1875 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1876 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1878 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1880 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1881 arg to be struct mach_header_64* instead.
1883 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1886 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1887 side effects after the outer expression's post side effects.
1889 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1891 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1892 comments to reflect actual behavior and relationship between
1893 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1895 * doc/c-tree.texi (Working with declarations): Fix documentation
1896 of FIELD_DECL likewise.
1898 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1901 * doc/extend.texi: Add used variable attribute description.
1903 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1906 * c.opt (Woverride-init): New.
1907 * c-opts.c (c_common_post_options): Default warn_override_init to
1909 * c-typeck.c (add_pending_init, output_init_element): Warn for
1910 overriding initializers without side effects.
1911 * doc/invoke.texi (-Woverride-init): Document.
1914 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1916 PR rtl-optimization/28096
1917 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1918 assignment has already been used as a destination earlier in the block.
1920 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1922 * builtins.c (expand_builtin_setjmp): Delete.
1923 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1924 <BUILT_IN_SETJMP_SETUP>: New case.
1925 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1926 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1927 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1928 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1929 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1930 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1931 (lower_function_body): Initialize it to false. If it is set to true
1932 at the end of the processing, emit the setjmp dispatcher.
1933 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1934 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1935 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1936 on the rhs of the assignment.
1937 (lower_builtin_setjmp): New function.
1938 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1939 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1940 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1941 to detect calls that can go to non-local labels. Use specific
1942 helper to create the abnormal edges associated with them.
1943 <MODIFY_EXPR>: Likewise.
1944 (make_abnormal_goto_edges): New function extracted from...
1945 (make_goto_expr_edges): ...here. Call it for computed gotos.
1946 (simple_goto_p): Minor tweak.
1947 (tree_can_make_abnormal_goto): New predicate.
1948 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1949 (tree_purge_dead_abnormal_call_edges): New function.
1950 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1951 (tree_purge_dead_abnormal_call_edges): Likewise.
1952 (make_abnormal_goto_edges): Likewise.
1953 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1954 Purge all dead abnormal edges if the call was in the last statement.
1955 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1956 (execute_fixup_cfg): If there are non-local labels in the function,
1957 scan the basic blocks and split them at calls that can go to non-local
1958 labels or add missing abnormal call edges. Write down the CFG in the
1960 (pass_fixup_cfg): Remove TODO_dump_func flag.
1961 * unwind-sjlj.c: Poison setjmp.
1962 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1963 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1964 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1965 (DONT_USE_BUILTIN_SETJMP): Document it.
1967 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1970 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1971 to 1 when __ppc64__ is defined.
1972 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1974 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1976 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1978 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1979 * config/ia64/unwind-hpux.c: Delete.
1981 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1983 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1984 on the element before gimplifying it, instead of punting if it is of
1987 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1989 * doc/loop.texi: New file.
1990 * doc/gccint.texi: Reference loop.texi.
1991 * Makefile.in (loop.texi): Add.
1993 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1995 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1997 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1998 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2000 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2002 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2004 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2006 * doc/install.texi: Document required versions of GMP and MPFR.
2008 2006-09-27 Paul Brook <paul@codesourcery.com>
2011 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2013 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2015 * reload1.c (alter_reg): Require the alignment of the stack slot to
2016 be at least reg_max_ref_width bytes.
2017 (scan_paradoxical_subregs): Record the largest width in
2020 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2024 * tree-nested.c (struct nesting_info): Added static_chain_added.
2025 (convert_call_expr): Set static_chain_added when adding static
2026 chain. Handle OMP_PARALLEL and OMP_SECTION.
2028 2006-09-25 Matthias Klose <doko@debian.org>
2030 * doc/invoke.texi: Add missing full stop.
2032 2006-09-25 Richard Henderson <rth@redhat.com>
2034 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2035 before cgraph_function_flags_ready.
2037 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2038 Adam Nemet <anemet@caviumnetworks.com>
2040 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2041 determine_common_wider_type): New functions.
2042 (get_computation_aff): Use them to simplify arithmetic between
2043 UBASE and CBASE if they are shortened from the same type.
2045 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2048 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2049 -2147483647 - 1 instead of 0x80000000.
2051 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2053 * flags.h (HONOR_NANS): Fix typo in comment.
2055 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2057 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2059 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2063 * tree.c (merge_attributes, attribute_list_contained): If both
2064 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2066 * c-typeck.c (comptypes_internal): Don't consider aggregates
2067 in different TUs as compatible if there one set of attributes is
2068 not a subset of the other type's attributes.
2069 (composite_type): Try harder not to create a new aggregate type.
2071 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2073 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2074 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2075 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2076 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2077 than replicating condition above.
2078 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2080 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2081 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2082 the linker by default.
2084 2006-09-22 Mike Stump <mrs@apple.com>
2086 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2089 2006-09-22 Richard Guenther <rguenther@suse.de>
2092 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2093 sort of stack variables stable.
2095 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2098 * explow.c (force_reg): Set REG_POINTER flag according to
2101 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2103 PR tree-optimization/28888
2104 * tree-if-conv.c (combine_blocks): Rewritten.
2105 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2106 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2108 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2110 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2113 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2115 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2117 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2119 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2121 2006-09-21 Roger Sayle <roger@eyesopen.com>
2124 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2125 dw_fde_current_label, to be the start of the function, i.e. the same
2126 value as dw_fde_begin.
2128 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2130 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2131 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2132 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2133 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2134 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2135 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2136 (abs<mode>2, neg<mode>2): Likewise.
2137 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2138 (*mips_abs_ps): New define_insn.
2140 2006-09-20 Josh Conner <jconner@apple.com>
2143 * calls.c (expand_call): Allow reuse of structure return stack
2146 2006-09-20 Paul Brook <paul@codesourcery.com>
2148 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2151 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2153 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2154 clean up terminology.
2156 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2159 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2160 with tablejumps in them.
2162 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2165 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2166 wrap it into TARGET_EXPR.
2168 2006-09-20 Eric Christopher <echristo@apple.com>
2170 * config/i386/i386.c (x86_fisttp): Remove.
2171 * config/i386/i386.h (x86_fisttp): Ditto.
2172 (TARGET_FISTTP): Ditto.
2174 2006-09-19 Eric Christopher <echristo@apple.com>
2176 * doc/tm.texi (OBJC_JBLEN): Describe.
2177 * config/i386/darwin.h (OBJC_JBLEN): Define.
2178 * config/rs6000/darwin.h: Ditto.
2180 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2182 PR rtl-optimization/21299
2183 * reload1.c (reload): Purge invalid ASMs in the final pass.
2185 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2188 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2189 pointers as legitimate constants.
2191 2006-09-19 Paul Brook <paul@codesourcery.com>
2194 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2196 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2198 PR tree-optimization/28887
2199 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2200 component parts from the reference.
2201 (gather_memory_references_ref): Record the reference without the
2202 nonaddressable component parts.
2204 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2207 * c-opts.c (c_common_handle_option): Ignore the -std options
2208 if the input language is assembly.
2210 2006-09-17 Ira Rosen <irar@il.ibm.com>
2213 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2215 (ptr_ptr_may_alias_p): Likewise.
2216 (record_record_differ_p): New function.
2217 (base_object_differ_p): Call record_record_differ_p.
2219 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2222 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2223 away for the expr argument.
2225 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2228 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2229 before using it for dumping after vectorizing loops.
2231 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2232 Jack Howarth <howarth@bromo.med.uc.edu>
2235 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2236 skip on error_mark_node.
2237 (rs6000_darwin64_record_arg_recurse): Likewise.
2239 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2241 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2242 * doc/rtl.texi: Remove related documentation.
2244 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2246 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2249 2006-09-15 Jim Wilson <wilson@specifix.com>
2251 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2252 Handle symbol offsets same as they are handled in ia64_expand_move
2255 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2257 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2258 Add forgotten parameter to the fprintf call.
2260 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2262 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2264 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2266 * doc/contrib.texi: Add my entry.
2268 2006-09-15 Nick Clifton <nickc@redhat.com>
2270 * doc/md.texi (Processor pipeline description): Fix typo in
2271 example of how to use the absence_set directive and reword the
2272 description to make it slightly easier to read.
2274 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2276 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2277 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2278 expanding the number of iterations.
2279 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2281 * cfgrtl.c (emit_insn_at_entry): New function.
2282 * rtl.h (emit_insn_at_entry): Declare it.
2283 * integrate.c (emit_initial_value_sets): Use it.
2285 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2287 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2289 (struct loop_work and related VEC declarations): Delete.
2290 (bfin_dump_loops): Print out new member bad.
2291 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2292 (bfin_scan_loop): Don't recurse.
2293 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2294 loops. No longer need to update outer loops if the current one is
2295 found bad. Move some validitiy checks to bfin_discover_loop.
2296 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2297 but changed not to check for nesting. Also changed to use the new bad
2299 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2300 time. Use bitmap based test to discover loop nesting.
2302 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2304 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2307 2006-09-14 Richard Guenther <rguenther@suse.de>
2308 Kazu Hirata <kazu@codesourcery.com>
2310 PR middle-end/28884.
2311 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2312 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2313 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2314 with TARGET_FUNCTION_VALUE.
2316 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2319 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2321 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2323 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2326 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2329 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2332 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2334 * basic_block.h (bb_has_eh_pred): Fix comment.
2336 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2338 * flow.c (calculate_global_regs_live): Invalidate eh registers
2339 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2340 (propagate_block): Handle eh registers as if they were set at basic
2342 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2344 * global.c (global_conflicts): Make eh registers to conflict with
2345 pseudos live at basic block begin.
2346 * basic_block.h (bb_has_eh_pred): New function.
2348 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2350 PR rtl-optimization/28982
2351 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2352 index of a PRE_MODIFY or POST_MODIFY address.
2353 * reload1.c (inc_for_reload): Use find_replacement on the original
2354 base and index registers.
2356 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2358 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2359 for -Os. Update __m128 alignment requirement.
2361 2006-09-13 Jan Hubicka <jh@suse.cz>
2363 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2365 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2367 PR rtl-optimization/28243
2368 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2369 the insn to which the note was originally attached.
2371 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2372 Roger Sayle <roger@eyesopen.com>
2374 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2375 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2376 on platforms that don't use dwarf for debug info.
2378 2006-09-12 Jason Merrill <jason@redhat.com>
2381 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2382 hard_frame_pointer_rtx after using it to update the frame pointer.
2384 2006-09-12 Roger Sayle <roger@eyesopen.com>
2386 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2387 (TARGET_ASM_CLOSE_PAREN): Likewise.
2388 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2389 (TARGET_ASM_CLOSE_PAREN): Likewise.
2391 2006-09-12 Roger Sayle <roger@eyesopen.com>
2394 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2395 frame information for frames larger than 512 Kbytes on Tru64 when
2396 using the native assembler.
2398 2006-09-12 Roger Sayle <roger@eyesopen.com>
2402 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2403 and symbols. Instead use the implementation from cse.c's hash_rtx.
2405 2006-09-12 Jan Hubicka <jh@suse.cz>
2407 PR rtl-optimization/28071
2408 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2409 (vect_transform_loop): Likewise.
2410 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2411 (new_loop_vec_info): Likewise.
2412 (destroy_loop_vec_info): Likewise.
2413 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2414 (create_stmt_ann): Likewise.
2415 (create_tree_ann): Rename to ...
2416 (create_tree_common_ann): ... this one; allocate only the common part
2418 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2419 (get_value_handle): Likewise.
2420 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2421 get_tree_common_ann.
2422 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2423 (vinfo_for_stmt): Use stmt annotations.
2424 * tree-flow.h (tree_ann_common_t): New type.
2425 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2426 (tree_ann, get_tree_ann, create_tree_ann): New.
2427 * tree-flow-inline.h (get_function_ann): Do more type checking.
2428 (stmt_ann): Likewise.
2429 (tree_ann): Rename to ...
2430 (tree_common_ann): ... this one; return ony common_ann
2431 (get_tree_ann): Rename to ...
2432 (tree_common_ann): This one; return only common_ann.
2433 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2436 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2438 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2439 with_cpu by default.
2441 * dwarf2out.c (dwarf_file_data): New.
2442 (enum dw_val_class): Add dw_val_class_file.
2443 (struct dw_val_struct): Add val_file.
2444 (file_table): Change to a hash table.
2445 (file_table_emitted): Delete.
2446 (file_table_last_lookup_index): Delete.
2447 (emitcount): Delete.
2448 (last_emitted_file): New.
2449 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2450 (init_file_table): Delete.
2451 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2452 (AT_addr): Add comment.
2456 (print_die): Handle dw_val_class_file.
2457 (print_dwarf_line_table): Update for new file table structure.
2458 (attr_checksum): Do checksum a filename.
2459 (same_dw_val_p, same_attr_p): Do compare a filename.
2460 (size_of_die): Handle dw_val_class_file.
2461 (value_format): Likewise.
2462 (output_die): Likewise. Also, call maybe_emit_file here.
2463 (struct file_info): Constify filenames. Make file_idx a pointer
2464 to a struct dwarf_file_data.
2465 (struct dir_info): Constify directory names. Remove 'used' field.
2466 (struct file_name_acquire_data): New.
2467 (file_name_acquire): New.
2468 (output_file_names): Modify to handle new file data structures.
2469 (add_src_coords_attributes): Use add_AT_file.
2470 (add_call_src_coords_attributes): Likewise.
2471 (dwarf2out_imported_module_or_decl): Likewise.
2472 (gen_subprogram_die): Modify for new file data structures.
2473 (gen_variable_die): Likewise.
2474 (file_table_eq): New.
2475 (file_table_hash): New.
2476 (file_table_last_lookup): New.
2477 (lookup_filename): Rewrite to handle new file data structures.
2478 (maybe_emit_file): Rewrite to handle new file data structures.
2479 (dwarf2out_source_line): Always call lookup_filename and
2481 (dwarf2out_init): Create file_table here.
2482 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2483 (file_table_relative_p): New.
2484 (dwarf2out_finish): Change detection of relative filenames
2485 to work with new file data structures. Move output_line_info call
2486 after debug_info output.
2488 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2493 * config/i386/i386.c (override_options): Always default to 16
2494 byte stack boundary.
2496 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2499 * var-tracking.c (dump_dataflow_set): Start dumping at
2501 (clobber_variable_part): Kill only the variable part in
2502 registers holding it, leaving other variables alone.
2504 2006-09-11 Josh Triplett <josh@freedesktop.org>
2506 * doc/extend.texi (Other Builtins): Actually use the macro
2507 argument in the documentation example for
2508 __builtin_types_compatible_p.
2510 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2512 PR rtl-optimization/28726
2513 * sched-deps.c (sched_analyze_reg): New function extracted from...
2514 (sched_analyze_1): ...here. Call it to analyze references to
2515 registers. Treat again writes to a stack register as writing to the
2517 (sched_analyze_2): ...and here. Call it to analyze references to
2518 registers. Treat again reads of a stack register as reading the
2521 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2522 David Edelsohn <edelsohn@gnu.org>
2525 * config/rs6000/spe.md (frob_df_di): Remove %H.
2526 (frob_di_df): Remove %H. Change evmergelo to mr.
2527 (frob_di_df_2): Remove %H. Change evldd to two loads.
2529 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2531 * doc/cpp.texi: Fix names of charset options.
2533 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2536 * config/i386/i386.c (override_options): Use 128-bit
2537 stack boundary always for 64bits.
2539 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2541 PR rtl-optimization/28636
2542 * combine.c (force_to_mode): Test for side-effects before
2543 substituting by zero.
2544 (simplify_shift_const): Likewise for zero or other constants.
2546 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2549 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2552 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2555 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2556 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2557 returned by mode_for_size, rather than the mode of src itself,
2558 to choose between 32-bit and 64-bit patterns.
2559 (mips_mem_fits_mode_p): New function.
2560 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2561 that the size of the source matches the size of the destination.
2562 (mov_<store>l, mov_<store>r): Likewise.
2564 2006-09-10 Eric Christopher <echristo@apple.com>
2566 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2569 2006-09-09 Eric Christopher <echristo@apple.com>
2572 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2575 2006-09-09 Roger Sayle <roger@eyesopen.com>
2576 Nicolas Setton <setton@adacore.com>
2578 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2580 2006-09-10 Andreas Schwab <schwab@suse.de>
2582 * config/m68k/m68k.md (bungt_rev): New pattern.
2584 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2585 Dale Johannesen <dalej@apple.com>
2588 * regclass.c (struct reg_pref): Update documentation.
2589 (regclass): Set prefclass to NO_REGS if memory is the best option.
2590 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2592 2006-09-08 Eric Christopher <echristo@apple.com>
2594 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2595 * config/t-slibgcc-darwin: Support x86_64 multilib.
2596 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2597 Return 1 for x86_64-darwin.
2598 * config/i386/t-darwin: Add m64 multilib.
2599 (LIB2_SIDITI_CONV_FUNCS): Use.
2600 (LIB2FUNCS_EXTRA): Ditto.
2601 * config/i386/darwin.h: Support x86_64.
2602 * config/i386/i386.c (override_options): Turn on flag_pic
2603 for x86_64-darwin. Disable flag_omit_pointer.
2604 (get_pc_thunk_name): Assert !TARGET_64BIT.
2605 (legitimate_address_p): Disable machopic addressing for
2607 (legitimize_pic_address): Ditto.
2608 (ix86_expand_move): Ditto.
2609 (ix86_expand_call): Ditto.
2610 (machopic_output_stub): Ditto.
2611 * config/darwin.c (machopic_select_section): Support literal16.
2612 (machopic_select_rtx_section): Ditto.
2613 * config/darwin-sections.def: Ditto.
2614 * config/darwin-64.c: New.
2616 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2619 * c-tree.h (struct c_arg_info): Add pending_sizes.
2620 * c-parser.c (c_parser_parms_declarator,
2621 c_parser_parms_list_declarator): Initialize pending_sizes.
2622 * c-decl.c (get_parm_info): Initialize pending_sizes.
2623 (get_parm_info): Set pending_sizes.
2624 (grokdeclarator): Call put_pending_sizes for parameters for
2625 function definition only.
2627 2006-09-07 Jason Merrill <jason@redhat.com>
2630 * varasm.c (output_constant): Only strip actual no-op conversions.
2633 * config/i386/i386.c (override_options): Use 128-bit
2634 stack boundary if -msse.
2636 2006-09-07 Eric Christopher <echristo@apple.com>
2638 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2640 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2643 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2645 * dwarf2out.c: Remove strange characters from comment above
2646 dwarf2out_frame_debug_expr.
2648 2006-09-07 Eric Christopher <echristo@apple.com>
2650 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2651 * config/darwin.h: ... to here.
2653 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2655 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2657 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2658 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2660 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2661 TARGET_PARTIAL_FLAG_REG_STALL.
2662 (*ashldi3_cconly_rex64): Likewise.
2663 (*ashlsi3_cmp): Likewise.
2664 (*ashlsi3_cconly): Likewise.
2665 (*ashlsi3_cmp_zext): Likewise.
2666 (*ashlhi3_cmp): Likewise.
2667 (*ashlhi3_cconly): Likewise.
2668 (*ashlqi3_cmp): Likewise.
2669 (*ashlqi3_cconly): Likewise.
2670 (*ashrdi3_cmp_rex64): Likewise.
2671 (*ashrdi3_cconly_rex64): Likewise.
2672 (*ashrsi3_cmp): Likewise.
2673 (*ashrsi3_cconly): Likewise.
2674 (*ashrsi3_cmp_zext): Likewise.
2675 (*ashrhi3_cmp): Likewise.
2676 (*ashrhi3_cconly): Likewise.
2677 (*ashrqi3_cmp): Likewise.
2678 (*ashrqi3_cconly): Likewise.
2679 (*lshrdi3_cmp_rex64): Likewise.
2680 (*lshrdi3_cconly_rex64): Likewise.
2681 (*lshrsi3_cmp): Likewise.
2682 (*lshrsi3_cconly): Likewise.
2683 (*lshrsi3_cmp_zext): Likewise.
2684 (*lshrhi3_cmp): Likewise.
2685 (*lshrhi3_cconly): Likewise.
2686 (*lshrqi2_cmp): Likewise.
2687 (*lshrqi2_cconly): Likewise.
2689 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2692 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2693 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2694 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2695 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2696 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2697 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2698 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2699 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2700 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2701 implement only CC setting effects of shift instructions.
2703 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2705 * doc/contrib.texi: Add myself.
2707 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2710 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2711 was set by the user.
2713 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2716 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2717 (divsi_inv_m1): Use them.
2718 (UNSPEC_DIV_INV_TABLE): New constant.
2720 2006-09-06 James E Wilson <wilson@specifix.com>
2723 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2724 then call count_or_remove_death_notes.
2726 2006-09-06 Jason Merrill <jason@redhat.com>
2729 * tree-inline.c (copy_result_decl_to_var): New fn.
2730 (declare_return_variable): Use it. Call declare_inline_vars here.
2731 (expand_call_inline): Not here.
2733 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2735 * doc/contrib.texi: Update my entry.
2737 2006-09-06 Nick Clifton <nickc@redhat.com>
2739 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2741 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2744 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2745 (canonicalize_induction_variables): Likewise.
2746 (tree_unroll_loops_completely): Likewise.
2747 (tree_ssa_prefetch_arrays): Likewise.
2748 (remove_empty_loops): Likewise.
2749 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2750 TODO_cleanup_cfg instead of directly calling
2751 cleanup_tree_cfg_loop.
2752 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2754 (tree_unroll_loops_completely): Likewise.
2755 (remove_empty_loops): Likewise.
2756 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2757 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2758 of tree_ssa_unswitch_loops.
2759 (tree_ssa_loop_ivcanon): Use the return value of
2760 canonicalize_induction_variables.
2761 (tree_ssa_empty_loop): Use the return value of
2763 (tree_complete_unroll): Use the return value of
2764 tree_unroll_loops_completely.
2765 (tree_ssa_loop_prefetch): Use the return value of
2766 tree_ssa_prefetch_arrays.
2767 * passes.c (execute_todo): Before Cleanup CFG, set
2768 updating_used_alone and after cleanup CFG, call
2769 recalculate_used_alone.
2771 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2774 * tree-vect-transform.c (vectorizable_condition): Move the check
2775 for the type after the check for simple condition.
2777 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2778 Kaz Kojima <kkojima@gcc.gnu.org>
2781 * mode-switching.c (optimize_mode_switching): Make the destination
2782 block of an abnormal edge have no anticipatable mode. Don't
2783 insert mode switching code at the end of the source block of
2786 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2788 PR rtl-optimization/26847
2789 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2790 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2791 (simplify_plus_minus): Count n_constants while filling ops. Replace
2792 qsort with insertion sort. Before going through the array to simplify
2793 pairs, sort it. Delay early exit until after the first sort, exiting
2794 only if no swaps occurred. Simplify pairs in reversed order, without
2795 special-casing the first iteration. Pack ops after simplifying pairs.
2797 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2799 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2800 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2801 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2802 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2804 2006-09-05 Richard Guenther <rguenther@suse.de>
2806 PR tree-optimization/28900
2807 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2808 compound conditional before creating COND_EXPR condition.
2810 2006-09-05 Richard Guenther <rguenther@suse.de>
2812 PR tree-optimization/28905
2813 * tree-vrp.c (fix_equivalence_set): Manually implement
2814 !value_ranges_intersect_p to also handle symbolic ranges.
2816 2006-09-05 Richard Guenther <rguenther@suse.de>
2819 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2822 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2824 PR rtl-optimization/27616
2825 * cse.c (table_size): New static variable.
2826 (new_basic_block): Initialize it to 0.
2827 (remove_from_table): Decrement it.
2828 (insert): Increment it.
2829 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2830 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2831 fold_rtx_mem_1 if under the cap.
2832 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2833 the lookup of the equivalent expression and test for equality of the
2834 first operand of the equivalent expression before in turn looking up
2835 an equivalent constant for the second operand.
2837 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2840 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2841 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2842 pointer, instead of assuming it is possible to derive the
2843 correct args size from a call insn.
2845 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2848 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2849 (fold_builtin_mempcpy): Rename to...
2850 (fold_builtin_memory_op): ... this. Optimize one element copy
2852 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2854 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2855 (expand_builtin_memcpy, expand_builtin_mempcpy,
2856 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2857 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2858 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2859 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2861 2006-09-01 DJ Delorie <dj@redhat.com>
2863 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2864 (stzx_16): Likewise.
2865 ("stzx_24_<mode>"): Likewise.
2866 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2867 ("cmp<mode>_op"): New.
2868 (cmp<mode>): Change to expander; just save operands.
2870 (b<code>): Change to expander, emit compare here.
2871 (s<code>_op): Change to use split and expander.
2872 (s<code>_24_op): Likewise.
2873 (s<code>_<mode>): New.
2874 (s<code>_<mode>_24): New.
2875 (movqicc_<code>_<mode): New.
2876 (movhicc_<code>_<mode>): New.
2879 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2880 (m32c_pend_compare): New.
2881 (m32c_unpend_compare): New.
2882 (m32c_expand_scc): New.
2883 (m32c_expand_movcc): Emit the compare also.
2884 * config/m32c/predicates.md (mra_nopp_operand): New.
2886 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2887 Richard Guenther <rguenther@suse.de>
2888 Adam Nemet <anemet@caviumnetworks.com>
2891 * builtins.c (get_pointer_alignment): Handle more forms
2892 of base addresses that can be used to derive more precise
2893 information about alignment.
2895 2006-09-01 Jason Merrill <jason@redhat.com>
2898 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2901 * gimplify.c (voidify_wrapper_expr): Handle null type.
2903 2006-09-01 Josh Conner <jconner@apple.com>
2906 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2907 (execute_return_slot_opt): Use it.
2909 2006-08-31 Josh Conner <jconner@apple.com>
2912 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2913 returning aggregates.
2915 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2917 PR tree-optimization/28839
2918 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2919 blocks in that phi arguments appear.
2921 2006-08-31 Roger Sayle <roger@eyesopen.com>
2924 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2925 NULL, otherwise use an advance_loc4 to adjust relative to the
2927 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2928 (dwarf2out_switch_text_section): Reset the current label to avoid
2929 using advance_loc4 over section boundaries.
2931 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2934 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2935 r12 + SYMBOLIC_CONST.
2937 2006-08-30 Richard Guenther <rguenther@suse.de>
2939 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2941 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2943 PR rtl-optimization/27735
2944 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2945 Add new argument to keep track of whether an irreducible region
2946 was affected. All callers changed.
2947 (fix_irreducible_loops): Removed.
2948 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2949 flags were invalidated.
2951 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2953 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2954 instead of SF operands.
2955 (*fop_df_comm_sse): Likewise.
2956 (*fop_df_comm_i387): Likewise.
2957 (*fop_df_1_mixed): Likewise.
2958 (*fop_df_1_sse): Likewise.
2960 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2961 J"orn Rennecke <joern.rennecke@st.com>
2963 PR tree-optimization/17506
2964 * tree-ssa.c (warn_uninit): If warning about a location outside of
2965 the current function, note where the variable was declared.
2967 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2969 PR tree-optimization/28411
2970 * double-int.c (double_int_div): Use double_int_divmod.
2971 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2972 double_int_mod, double_int_smod, double_int_umod): New functions.
2973 * double-int.h (double_int_divmod, double_int_sdivmod,
2974 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2976 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2978 (get_computation_aff, get_computation_cost_at): Handle double_int
2979 return type of constant_multiple_of.
2981 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2984 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2985 an implicit conversion.
2987 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2989 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2991 2006-08-27 Roger Sayle <roger@eyesopen.com>
2993 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2996 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2998 * config/i386/crtfastmath.c: Fix a comment typo.
3000 2006-08-26 Roger Sayle <roger@eyesopen.com>
3002 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3003 temporary visit flags on CASE_LABEL_EXPRs.
3004 * c-common.c (match_case_to_enum): Add function comment. Avoid
3005 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3006 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3007 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3008 a constant, only warn if that constant value isn't handled.
3010 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3013 * input.h (restore_input_file_stack): Declare.
3014 (INPUT_FILE_STACK_BITS): Define.
3015 * toplev.c (fs_p, input_file_stack_history,
3016 input_file_stack_restored, restore_input_file_stack): New.
3017 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3018 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3019 (pop_srcloc): Don't free old state of stack.
3021 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3024 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3025 (PowerPC Type Attributes): New.
3027 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3029 * config/xtensa/xtensa.c (function_arg_boundary): New.
3030 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3032 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3033 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3035 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3038 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3041 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3043 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3044 (verify_local_live_at_start): Likewise.
3046 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3049 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3050 omp_add_variable): Treat sizes as variable whenever not
3053 2006-08-26 Richard Guenther <rguenther@suse.de>
3056 * fold-const.c (fold_binary): Fold temporary to correct
3057 type before constructing new comparison.
3059 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3062 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3063 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3065 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3068 * c-decl.c (start_function): Don't try to process prototype
3069 information from old declaration that isn't a function.
3071 2006-08-25 Jan Hubicka <jh@suse.cz>
3074 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3076 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3079 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3082 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3084 PR tree-optimization/16876
3085 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3086 exit if PARM doesn't match VALUE.
3088 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3090 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3091 literal_prefix directive.
3092 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3093 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3094 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3096 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3099 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3100 predicate to general_operand. Add 0->y and I->r alternatives.
3102 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3104 * doc/tm.texi: Fix a typo.
3105 * predict.c: Fix comment typos.
3107 2006-08-25 Nick Clifton <nickc@redhat.com>
3109 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3110 assertions of "cpu" and "machine".
3112 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3115 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3116 the access through a base which has an alias set of 0 cannot
3119 2006-08-24 Bill Wendling <wendling@apple.com>
3121 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3123 2006-08-24 Jan Hubicka <jh@suse.cz>
3125 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3127 2006-08-24 Jan Hubicka <jh@suse.cz>
3130 * cgraph.c: Fix comments.
3131 (cgraph_varpool_mark_needed_node): Mark only variables not already
3133 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3134 (cgraph_varpool_assembled_nodes_queue): New static variable.
3135 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3136 (cgraph_varpool_output_debug_info): New function.
3137 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3138 * Makefile.in: Add gt-cgraphunit.h
3140 2006-08-24 Jan Hubicka <jh@suse.cz>
3142 * predict.c (probability_reliable_p): New predicate.
3143 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3144 (predict_loops): Do not predict loop exit with less than 2%
3146 * basic-block.h (edge_probability_reliable_p,
3147 br_prob_note_reliable_p): Declare.
3148 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3149 prediction when static predictor is not reliable.
3150 * rs6000.c (output_cbranch): Likewise.
3152 2006-08-23 Stuart Hastings <stuart@apple.com>
3155 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3156 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3158 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3161 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3162 complex values, nor for generic vector values.
3164 2006-08-22 Richard Guenther <rguenther@suse.de>
3167 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3168 parameter. Convert arguments to arithmetic expression to the
3170 (analyze_scalar_evolution_1): Adjust caller.
3172 2006-08-22 Jan Hubicka <jh@suse.cz>
3174 Patch by Paolo Bonzini
3175 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3178 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3180 PR tree-optimization/28003
3181 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3182 before grouping aliases.
3184 2006-08-22 Roger Sayle <roger@eyesopen.com>
3186 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3187 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3189 2006-08-21 Jason Merrill <jason@redhat.com>
3192 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3193 wrapper. Loop to handle nested wrappers.
3194 (gimplify_bind_expr): Remove temp parameter.
3195 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3196 and STATEMENT_LIST on the rhs.
3197 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3198 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3199 (gimplify_target_expr): Remove special BIND_EXPR handling.
3201 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3203 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3206 2006-08-21 Olivier Hainque <hainque@adacore.com>
3208 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3209 Arrange for the temporary captures of components overlapping the lhs
3210 to happen before the lhs is possibly cleared.
3212 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3214 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3215 necessary places to pass the correct "number of registers" values
3218 2006-08-20 Jan Hubicka <jh@suse.cz>
3220 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3221 (create_name_tags): Instead of quadratic checking use hashtable.
3222 * bitmap.h: Include hashtab.h.
3223 (bitmap_hash): Declare.
3224 * bitmap.c (bitmap_hash): New function.
3226 2006-08-20 Jan Hubicka <jh@suse.cz>
3228 PR rtl-optimization/28071
3229 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3231 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3232 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3233 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3234 cgraph_decide_inlining_incrementally): Update use of
3235 cgraph_check_inline_limits.
3236 * cgraph.c (edge_hash, edge_eq): New function.
3237 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3238 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3239 cgraph_remove_node): Maintain call site hash.
3240 * cgraph.h (struct cgraph_node): Add call_site_hash.
3241 (cgraph_set_call_stmt): New function.
3243 2006-08-20 Jan Hubicka <jh@suse.cz>
3245 PR rtl-optimization/28071
3246 * reload1.c (reg_has_output_reload): Turn into regset.
3247 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3248 choose_reload_regs, emit_reload_insns): Update to new
3249 reg_has_output_reload.
3251 2006-08-20 Jan Hubicka <jh@suse.cz>
3254 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3255 function body sizes.
3256 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3258 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3261 * tree.c (handle_dll_attribute): Return early if not a
3262 var or function decl.
3264 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3267 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3268 alignment of SPE vector types.
3270 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3272 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3274 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3277 * cgraph.h (struct cgraph_node): Remove externally_visible
3279 * cgraphunit.c (process_function_and_variable_attributes): Set
3280 local.externally_visible rather than externally_visible.
3283 * c-common.c (handle_externally_visible_attribute): First look
3284 at TREE_CODE and only if it is function or var decl, check for
3285 non-public objects. Don't warn for DECL_EXTERNAL.
3286 * cgraphunit.c (process_function_and_variable_attributes): Warn
3287 if externally_visible attribute is used on non-public object.
3289 2006-08-17 Jan Hubicka <jh@suse.cz>
3291 PR tree-optimization/27865
3292 * reload1.c (forget_marked_reloads): New function.
3293 (forget_old_reloads_1): When data are passed, just mark the registers
3295 (reload_as_needed): Use the new mechanizm.
3297 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3300 * reload.h (reg_equiv_alt_mem_list): New declaration.
3301 * reload1.c (reg_equiv_alt_mem_list): New definition.
3302 (reload): Initialize it and release it.
3303 (delete_output_reload): Use it.
3304 * reload.c (push_reg_equiv_alt_mem): New function.
3305 (find_reloads_toplev): Call it.
3306 (find_reloads_address, find_reloads_address_1): Likewise.
3307 (find_reloads_subreg_address): Likewise.
3309 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3311 PR rtl-optimization/28489
3312 * sched-ebb.c (begin_schedule_ready): Create basic block
3314 (advance_target_bb): Skip empty blocks.
3315 * haifa-sched.c (bb_note): Make global.
3316 * sched-int.h (bb_note): Add prototype.
3318 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3320 PR tree-optimization/27865
3321 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3323 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3324 fold_used_pointer, pointer_used_p): New functions.
3325 (analyze_scalar_evolution_1): Use fold_used_pointer.
3326 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3327 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3330 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3333 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3334 or the INTEGER_CST. Fail on a CALL_EXPR.
3335 (fold_offsetof): Pass new argument to fold_offsetof_1.
3336 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3337 operand into an INDIRECT_REF.
3338 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3340 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3342 PR gcov/profile/26570
3343 * value-prof.c (static_values): Removed.
3344 (tree_find_values_to_profile): Do not set static_values.
3345 (find_values_to_profile): Do not free static_values.
3346 * profile.c (instrument_values): Do not free the values.
3347 (branch_prob): Free the values.
3349 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3351 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3353 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3356 * c-typeck.c (build_component_ref): Combine qualifiers of
3357 structure or union and field.
3359 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3361 PR rtl-optimization/28071
3362 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3363 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3364 * tree-into-ssa.c (struct dom_dfsnum): New.
3365 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3367 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3368 compute_global_livein.
3369 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3370 in phi nodes in the correct blocks.
3372 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3374 PR tree-optimization/28364
3375 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3377 (fold_affine_expr): New function.
3378 (may_eliminate_iv): Use fold_affine_expr.
3380 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3383 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3386 2006-08-16 Mike Stump <mrs@apple.com>
3388 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3389 * doc/cppopts.texi (-MD): Likewise.
3391 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3394 * c-common.c (handle_weak_attribute): Ignore and warn if
3395 not a FUNCTION_ or VAR_DECL.
3397 2006-07-15 Mike Stump <mrs@apple.com>
3400 * c-parser.c (c_parser_typeof_specifier): Don't use
3401 c_finish_expr_stmt, open code desired semantics instead.
3403 2006-08-15 Nick Clifton <nickc@redhat.com>
3405 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3406 fragment to tmake_file only if threads are enabled.
3407 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3408 * config/i386/t-gthr-win32: New file. ... here.
3410 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3413 * c-parser.c (c_parser_compound_statement_nostart): Reset
3414 parser->error after each statement.
3416 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3419 * omp-low.c (lower_omp_parallel): Convert t to
3420 receiver_decl's type.
3421 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3422 source before comparison.
3425 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3426 to itype in assignment to oldival2.
3428 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3432 * c-typeck.c (build_compound_expr): If the second expression
3433 is an error mark, then just return an error mark instead of
3434 creating a COMPOUND_EXPR.
3436 2006-07-14 Mike Stump <mrs@apple.com>
3438 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3440 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3442 * c-decl.c, var-tracking.c: Fix comment typos.
3444 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3446 PR rtl-optimization/28634
3447 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3448 for floating-point modes unless flag_unsafe_math_optimizations.
3450 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3451 Andrew Pinski <pinskia@physics.uc.edu>
3454 * tree.c (build_array_type): Unify array types with
3455 unspecified index_type.
3456 * c-decl.c (grokdeclarator): Make sure we do not modify a
3457 unified incomplete array type.
3458 * c-typeck.c (store_init_value): Create distinct type before
3459 filling in the index type in an initializer from a compound
3462 * c-decl.c (grokdeclarator): Remove code where we copy the
3465 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3467 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3468 into account for TODO_dump_cgraph.
3469 (TODO_update_ssa_no_phi): Likewise.
3470 (TODO_update_ssa_full_phi): Likewise.
3471 (TODO_update_ssa_only_virtuals): Likewise.
3472 (TODO_remove_unused_locals): Likewise.
3473 (TODO_set_props): Likewise.
3474 (TODO_update_stmt_usage): Likewise.
3476 2006-08-13 Dirk Mueller <dmueller@suse.de>
3478 * c-common.c (strict_aliasing_warning): Fix formatting.
3480 2006-08-13 Matthias Klose <doko@debian.org>
3482 * doc/invoke.texi: Fix spelling errors.
3484 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3486 PR rtl-optimization/23454
3487 * reorg.c (relax_delay_slots): Update comment.
3489 2006-08-11 Richard Guenther <rguenther@suse.de>
3492 * simplify-rtx.c (simplify_const_relational_operation):
3493 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3496 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3498 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3499 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3501 2006-08-10 Paul Brook <paul@codesourcery.com>
3503 * final.c (final_scan_insn): Clear current_insn_predicate before
3504 outputting inline asm.
3506 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3508 PR tree-optimization/26197
3509 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3510 get_ref_base_and_extent and overlap_subvar to add only relevant
3511 subvars as may-aliases.
3512 (add_may_alias_for_new_tag): New function, factored out of
3514 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3515 with additional argument.
3516 * tree-flow.h (new_type_alias): Takes additional argument.
3518 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3520 * gcov.c (no_data_file): New flag.
3521 (read_count_file): Set it if data file not present. Assume counts
3523 (output_lines): Don't name the data file, if there wasn't one.
3525 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3527 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3528 (rs6000_generate_compare): Tweak comments.
3529 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3531 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3533 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3534 (var_debug_decl): New function.
3535 (var_reg_set): Follow debug decl link. Add location even if
3536 reg is already known to hold some other variable.
3537 (var_mem_set): Follow debug decl link.
3538 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3539 decl link. Delete other known locations of the variable part
3541 (var_reg_delete, var_mem_delete): Delete other known locations
3542 of the variable part if requested.
3543 (same_variable_part_p): New function.
3544 (add_stores): Select MO_COPY when appropriate.
3545 (vt_initialize): Handle it.
3546 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3547 known locations for MO_SET and MO_CLOBBER.
3548 (find_variable_location_part): New function.
3549 (set_variable_part, delete_variable_part): Use it.
3550 (clobber_variable_part): New function.
3551 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3554 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3556 PR tree-optimization/26969
3557 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3558 with an empty list of PHIs.
3560 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3564 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3567 2006-08-06 Andreas Schwab <schwab@suse.de>
3569 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3570 string. Whitespace and comment fixup.
3572 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3575 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3579 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3582 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3584 2006-08-04 Jan Hubicka <jh@suse.cz>
3588 * reload.c (push_reload): Patch out the mismatching instruction;
3590 (find_reload): Bail out if the instruction was patched out.
3592 2006-08-04 Jan Hubicka <jh@suse.cz>
3594 PR tree-optimization/24888
3595 * tree-inline.c (expand_call_inline): Do not re-record variables.
3596 (declare_inline_vars): Add variable to unexpanded_var_list.
3598 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3599 Roger Sayle <roger@eyesopen.com>
3601 PR rtl-optimization/26244
3602 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3603 inner_const are negative or greater than or equal to the bitsize of
3604 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3605 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3606 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3607 CONST0_RTX (mode) when the new shift count is greater than or equal to
3608 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3611 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3613 * tree-cfg.c: Fix a comment typo.
3615 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3618 * varasm.c (output_constant): Give the front end another chance to
3619 expand constants, after stripping NOPs.
3621 2006-08-03 Jan Hubicka <jh@suse.cz>
3623 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3626 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3628 PR tree-optimization/27770
3629 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3630 declaration removed (moved to tree-flow.h).
3631 (vect_can_force_dr_alignment_p): Likewise.
3632 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3633 (moved from tree-vectorizer.h).
3634 (vect_can_force_dr_alignment_p): Likewise.
3635 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3636 from outside the vectorizer - in particular from cgraph stage.
3637 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3638 the alignment of global arrays when -fsection-anchors is enabled.
3639 * cgraphunit.c (cgraph_increase_alignment): New function.
3640 (cgraph_optimize): Call cgraph_increase_alignment.
3642 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3645 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3646 not reload a SPE symbol_ref into a lo_sum address.
3648 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3651 * dwarf2out.c (prune_unused_types_prune): Move call to
3652 prune_unused_types_update_strings to cover the parent DIE also.
3654 2006-08-02 Jan Hubicka <jh@suse.cz>
3656 PR gcov/profile/28480
3657 * tree-cfg.c (change_bb_for_stmt): New function.
3658 (tree_merge_blocks, tree_split_blocks): Use it.
3660 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3666 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3667 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3668 (cgraph_optimize): Likewise.
3670 2006-08-01 Stuart Hastings <stuart@apple.com>
3672 * rtl.h (UINTVAL) New.
3673 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3674 * testsuite/gcc.dg/20060801-1.c: New.
3676 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3679 * c-typeck.c (build_external_type): Mark used enum types.
3680 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3682 (gen_subprogram_die): Whitespace fix.
3684 2006-08-01 Jan Hubicka <jh@suse.cz>
3686 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3687 bitmap when not needed.
3688 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3691 2006-08-01 Dirk Mueller <dmueller@suse.de>
3693 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3695 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3697 * Makefile.in: Revert part of previous patch:
3698 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3701 2006-07-30 Eric Christopher <echristo@apple.com>
3704 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3705 (PowerPC Variable Attributes): New section.
3707 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3709 PR target/28126 (partial fix)
3710 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3712 2006-07-28 Jan Hubicka <jh@suse.cz>
3714 PR rtl-optimization/28071
3715 * cfgrtl.c (rtl_delete_block): Free regsets.
3716 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3718 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3720 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3721 and variables used in dependencies.
3723 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3725 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3726 %fs for -mcmodel=kernel.
3727 (stack_tls_protect_test_di): Likewise.
3729 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3731 * Makefile.in: Use mkinstalldirs.
3733 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3736 * opts-common.c (prune_options): Skip joined switches.
3738 2006-07-27 Jan Hubicka <jh@suse.cz>
3740 PR rtl-optimization/28071
3741 * cselib.c (cselib_process_insn): Don't remove useless values too
3742 often for very large hashtables.
3744 2006-07-27 Jan Hubicka <jh@suse.cz>
3746 PR rtl-optimization/28071
3747 * global.c (greg_obstack): New obstack.
3748 (allocate_bb_info): Use it.
3749 (free_bb_info): Likewise.
3750 (modify_reg_pav): Likewise.
3752 2006-07-27 Roger Sayle <roger@eyesopen.com>
3754 * builtins.c (fold_fixed_mathfn): When long and long long are the
3755 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3756 functions to their lceil*, lfloor*, lround* and lrint* forms.
3758 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3761 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3763 (rev_branch_insn): Likewise.
3765 2006-07-27 Jan Hubicka <jh@suse.cz>
3767 PR rtl-optimization/28071
3768 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3769 (reg_set_in_bb, max_reg_computed): New static variables.
3770 (regmove_optimize): Free the new array.
3771 (fixup_match_1): Update call of reg_is_remote_constant_p.
3773 2006-07-26 Jan Hubicka <jh@suse.cz>
3775 PR tree-optimization/27882
3776 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3778 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3780 (cgraph_analyze_compilation_unit): Likewise.
3781 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3782 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3783 (cgraph_early_inlinine): Make order garbage collected.
3784 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3786 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3788 * dbxout.c (output_types_sort): Add a comment.
3789 (output_used_types): Free the VEC.
3791 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3793 * function.c (reorder_fix_fragments): Delete.
3794 (reorder_blocks): Don't call it.
3795 (reorder_blocks_1): Put all subblocks under the origin block.
3797 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3799 PR rtl-optimization/27907
3800 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3803 2006-07-25 Roger Sayle <roger@eyesopen.com>
3806 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3807 bar(x) check that bar's result type can represent all the values of T.
3809 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3811 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3813 2006-07-25 Nick Clifton <nickc@redhat.com>
3815 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3816 size_lookup[] array.
3817 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3818 (ggc_pch_count_object): Likewise.
3819 (ggc_pch_alloc_object): Likewise.
3820 (ggc_pch_write_object): Likewise.
3821 (init_ggc): Do not attempt to initialize entries in the
3822 size_lookup[] array for objects whose size is greater than than
3823 the length of the array.
3825 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3827 * dbxout.c (output_used_types_helper): Push queued types
3829 (output_types_sort): New.
3830 (output_used_types): Collect used types on a VEC and sort them
3833 2006-07-24 Richard Guenther <rguenther@suse.de>
3836 * cgraph.c (cgraph_remove_node): Do not check if dumps
3838 * cgraphunit.c (cgraph_optimize): Likewise.
3840 2006-07-24 Jan Hubicka <jh@suse.cz>
3842 PR rtl-optimization/28071
3843 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3844 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3845 splitting before first stmt.
3847 2006-07-24 Jan Hubicka <jh@suse.cz>
3849 PR rtl-optimization/28071
3850 * ipa-inline.c (update_caller_keys): Remove edges that
3851 are no longer inline candidates.
3853 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3856 * dbxout.c (output_used_types_helper, output_used_types): New.
3857 (dbxout_symbol): Call output_used_types.
3859 2006-07-23 Jan Hubicka <jh@suse.cz>
3863 * cgraph.c (cgraph_varpool_nodes): Export.
3864 (decide_is_variable_needed): Ignored "used" attribute in
3865 unit-at-a-time mode.
3866 * cgraph.h (cgraph_varpool_nodes): Declare.
3867 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3868 unit-at-a-time mode.
3870 2006-07-23 Roger Sayle <roger@eyesopen.com>
3873 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3874 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3875 the __gthrw form of thr_keycreate.
3876 (__gthread_key_delete): Silence the unused argument warning.
3878 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3881 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3882 Cache the last found '\0' marker to avoid quadratic behavior.
3884 2006-07-23 Jan Hubicka <jh@suse.cz>
3886 * i386.md (subsi_3_zext): Fix output template.
3888 2006-07-21 Mike Stump <mrs@apple.com>
3890 * doc/invoke.texi (C++ Dialect Options): Note that
3891 -fvisibility-inlines-hidden doesn't affect explicitly
3892 instantiationed inline methods.
3894 2006-07-20 Roger Sayle <roger@eyesopen.com>
3896 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3897 if the target assembler is GNU binutils' gas.
3898 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3899 whether to pass GNU gas or native as command line options.
3901 2006-07-20 Jason Merrill <jason@redhat.com>
3903 * tree.c (remove_attribute): New fn.
3904 * tree.h: Declare it.
3906 2006-07-20 Paul Brook <paul@codesourcery.com>
3909 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3910 they are invalidated by this instruction.
3912 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3915 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3917 2006-07-20 Eric Christopher <echristo@apple.com>
3920 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3922 2006-07-19 Eric Christopher <echristo@apple.com>
3924 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3925 Rewrite dependencies for libgcc_s.1.dylib.
3927 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3929 * except.c (duplicate_eh_regions_1): Clear next_peer.
3931 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3933 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3934 -mlongcall does not guarantee all calls will be long.
3935 * doc/extend.texi (long_call/short_call): Document that longcall
3936 does not guarantee a long call will be used.
3937 (longcall/shortcall): Likewise.
3939 2006-07-18 Roger Sayle <roger@eyesopen.com>
3942 * expmed.c (expand_shift): Additionally check that the shift_cost
3943 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3944 before implementing a LSHIFT_EXPR as a sequence of additions.
3945 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3946 middle-end that DImode shifts need to be synthesized by expand.
3948 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3951 * tree-ssa-operands.c (access_can_touch_variable): Update
3953 Return true if ALIAS is .GLOBAL_VAR.
3955 2006-07-18 David Daney <ddaney@avtrex.com>
3957 * gcc.c (display_help): Fix typo in help text.
3959 2006-07-18 Olivier Hainque <hainque@adacore.com>
3961 * tree.h (categorize_ctor_elements): Adjust prototype and add
3962 descriptive comment, both in accordance with the interface change
3964 * varasm.c (constructor_static_from_elts_p): New function.
3965 Whether a constructor node is a valid static constant initializer
3966 if all its elements are.
3967 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3968 * output.h: Declare it.
3969 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3970 is a valid constant initializer instead of computing the number of
3971 non-constant elements. Use constructor_static_from_elts_p for this
3972 purpose. Replace the head comment with an indication that this is a
3973 helper for categorize_ctor_elements.
3974 (categorize_ctor_elements): Same interface change as for the _1
3975 helper. Former head comment from this helper moved here, adjusted to
3976 account for the interface changes.
3977 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3978 (all_zeros_p): Likewise.
3979 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3980 static versions of the constructor from the categorize_ctor_elements
3981 return value instead of the formerly computed number of non-constant
3984 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3986 * configure: Regenerate.
3987 * Makefile.in (build_libsubdir): New configure substitution
3988 (build_libobjdir): New variable.
3989 (BUILD_LIBIBERTY): Use it.
3991 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3994 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3996 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3999 * c-common.c (handle_weakref_attribute): Ignore attribute in
4000 the same conditions the alias attribute is ignored.
4002 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4004 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4005 (dbxout_begin_prologue): Increment scope_labelno.
4007 2006-07-17 Richard Henderson <rth@redhat.com>
4010 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4013 2006-07-17 Roger Sayle <roger@eyesopen.com>
4014 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4016 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4017 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4018 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4019 functions such as sbrk, write, etc.. Add function prototypes.
4020 Convert function declarations from K&R to ISO C. Cast pointers
4021 to "long" and "unsigned long" instead of "int" and "unsigned int".
4022 Convert tokens following #endif into comments.
4024 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4026 * invoke.texi: Remove mention of f77; Reformat table for
4027 inline parameter options correctly; mention that -malign-double
4028 is default on x86-64 targets.
4030 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4032 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4033 (convert_affine_scev, chrec_convert_aggressive): Use
4034 avoid_arithmetics_in_type_p. Do not check for the subtypes
4037 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4040 * optabs.c (expand_doubleword_shift): Wrap the call to
4041 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4043 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4046 * optabs.c (expand_binop): Pass next_methods rather than methods
4047 to expand_doubleword_shift.
4049 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4052 * tree.h (dump_addr): Declare.
4053 * print-tree.c (dump_addr): New function.
4054 (print_node_brief, print_node): Use it.
4055 * print-rtl.c (print_rtx): Likewise.
4056 * common.opt (-fdump-noaddr): New option.
4057 * doc/invoke.texi (-fdump-noaddr): Document.
4058 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4059 (ve_info_hash): Likewise.
4061 2006-07-13 Andrew Haley <aph@redhat.com>
4063 PR tree-optimization/19505
4064 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4065 edge leaving this block, make sure that the destination of this
4066 block has only one predecessor.
4068 2006-07-17 Richard Guenther <rguenther@suse.de>
4070 PR tree-optimization/28238
4071 * tree-inline.c (copy_bb): Check if we produced valid
4072 gimple copying and substituting a stmt. If not, gimplify
4075 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4077 * optabs.c (maybe_encapsulate_block): New function extracted from...
4078 (emit_libcall_block): ...here. Invoke it on the block of insns to
4079 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4080 (emit_no_conflict_block): Likewise.
4082 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4084 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4086 2006-07-15 Roger Sayle <roger@eyesopen.com>
4088 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4089 a new NOP_EXPR case of the switch statement.
4091 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4094 * stor-layout.c (place_field): Take the bit field with
4095 an excessive size into account in the ms-bitfiled case.
4098 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4099 the previous bit field.
4101 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4104 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4106 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4108 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4109 signal frames correctly even when the signal was installed with
4112 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4114 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4115 (dbxout_function_end): Use local label LFBB. Remove hook
4117 (dbxout_source_line): Use local label LFBB.
4118 (dbxout_block): Likewise.
4119 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4120 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4121 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4122 and DBX_OUTPUT_NFUN.
4124 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4126 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4128 2006-07-13 Jan Hubicka <jh@suse.cz>
4130 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4132 * output.h (align_variable): Declare.
4133 * varasm.c (align_variable): Export.
4134 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4135 when basic block changed.
4137 2006-07-13 Nick Clifton <nickc@redhat.com>
4139 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4140 walking the LOG_LINKS chain.
4142 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4144 * doc/invoke.texi (C++ Dialect Options): Explain difference
4145 between -fvisibility-inlines-hidden and setting hidden
4146 visibility explicitly.
4148 2006-07-12 Eric Christopher <echristo@apple.com>
4150 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4151 (stmp-lipo): Depend on libgcc.a.
4153 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4155 * tree.c: Fix a comment typo.
4157 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4159 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4161 (umulhisi3_r): Likewise.
4163 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4166 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4167 x < 19, vs wchar_t support.
4169 2006-07-12 Nick Clifton <nickc@redhat.com>
4171 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4172 instead of -isa=sh4.
4174 2006-07-12 Mike Stump <mrs@apple.com>
4176 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4178 2006-07-10 Eric Christopher <echristo@apple.com>
4180 * config/t-slibgcc-darwin: Rewrite.
4182 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4185 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4188 2006-07-08 Matthias Klose <doko@debian.org>
4190 * doc/sourcebuild.texi: Fix typo.
4192 2006-07-07 Mike Stump <mrs@apple.com>
4194 * toplev.c (process_options): Don't give -ffunction-sections may
4195 affect debugging warning for Mach-O.
4197 2006-07-07 James E Wilson <wilson@specifix.com>
4199 * config/mips/mips.md (cpu): Add sb1a.
4200 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4201 addition to sb1. Adjust comments to clarify SB-1A differences from
4203 (ir_sb1a_load): New. Modify bypasses to use it.
4204 (ir_sb1a_simple_alu): Likewise.
4205 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4206 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4207 (mips_issue_rate): Add PROCESSOR_SB1A.
4208 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4209 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4210 (TARGET_SB1): Add PROCESSOR_SB1A check.
4211 (TUNE_SB1): Likewise.
4213 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4214 * config/mips/mips.c (mips_store_data_bypass_p): New.
4215 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4216 store_data_bypass_p.
4218 2006-07-08 Paul Brook <paul@codesourcery.com>
4221 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4223 2006-07-07 Richard Guenther <rguenther@suse.de>
4226 * tree.h (build_one_cst): Declare.
4227 * tree.c (build_one_cst): New function.
4228 * tree-ssa-math-opts.c (get_constant_one): Remove.
4229 (insert_reciprocals): Use build_one_cst.
4230 * fold-const.c (fold_plusminus_mult): Likewise.
4232 2006-07-07 Roger Sayle <roger@eyesopen.com>
4234 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4235 * cfgloopanal.c (dump_graph): Likewise.
4236 * dojump.c (discard_pending_stack_adjust): Likewise.
4237 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4239 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4240 * function.c (finalize_block_changes): Likewise.
4241 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4242 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4243 * rtl.c (dump_rtx_statistics): Likewise.
4244 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4246 * varray.c (dump_varray_statistics): Likewise.
4247 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4248 decode_decimal64, encode_decimal128, decode_decimal128,
4249 decimal_real_to_decimal): Likewise.
4251 2006-07-07 Richard Guenther <rguenther@suse.de>
4253 PR tree-optimization/28187
4254 * tree-vrp.c (vrp_operand_equal_p): New function.
4255 (vrp_bitmap_equal_p): Likewise.
4256 (update_value_range): Use them to compare old and new
4259 2006-07-06 Roger Sayle <roger@eyesopen.com>
4261 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4262 a default case to switch statement to silence compiler warnings.
4264 2006-07-06 Roger Sayle <roger@eyesopen.com>
4267 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4268 the configured assembler supports the x87's ffreep mnemonic.
4269 * configure: Regenerate.
4270 * config.in: Regenerate.
4272 * config/i386/i386.c (output_387_ffreep): New function.
4273 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4274 (output_387_reg_move): Likewise.
4276 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4278 Port to hosts whose 'sort' and 'tail' implementations
4279 treat operands with leading '+' as file names, as POSIX
4280 has required since 2001. However, make sure the code still
4281 works on pre-POSIX hosts.
4282 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4283 which says you should use "tail -c +N" rather than "tail +Nc".
4284 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4286 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4288 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4291 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4294 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4295 PRE_{INC,DEC} of TFmode.
4297 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4298 Alan Modra <amodra@bigpond.net.au>
4301 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4304 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4307 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4308 Remove duplicate gtu.
4310 2006-07-05 Jason Merrill <jason@redhat.com>
4314 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4315 * c-common.c (handle_packed_attribute): So don't copy it here.
4316 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4318 2006-07-05 Mike Stump <mrs@apple.com>
4320 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4322 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4325 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4327 2006-07-05 Richard Guenther <rguenther@suse.de>
4330 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4331 TARGET_SSE2 targets if using SSE math.
4332 (*absdf2_1): Likewise.
4334 2006-07-05 Richard Guenther <rguenther@suse.de>
4336 PR tree-optimization/28162
4337 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4338 make sure to convert the operands to the correct type.
4340 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4342 PR tree-optimization/28218
4344 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4345 to calculate and free the dominator information.
4347 2006-07-04 Peter O'Gorman <peter@pogma.com>
4349 * mklibgcc.in: chmod 644 before ranlib during install.
4351 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4352 J"orn Rennecke <joern.rennecke@st.com>
4354 * configure.ac (.eh_frame data check): Use diff -b.
4356 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4359 * Makefile.in (BUILD_RTL): Add build/vec.o.
4360 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4361 (build/genextract): Delete.
4362 (build/genautomata): Likewise.
4364 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4367 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4368 128-bit IBM long doubles for ABI_V4.
4370 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4372 * tree.c (range_in_array_bounds_p): New predicate.
4373 * tree.h (range_in_array_bounds_p): Declare it.
4374 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4375 return a less conservative answer.
4376 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4377 and flag 'is_group'.
4378 (IS_ELEMENT_FOR_GROUP): New macro.
4379 (FOR_EACH_ACTUAL_CHILD): Likewise.
4380 (next_child_for_group): New helper function.
4381 (can_completely_scalarize_p): Take into account groups.
4382 (sra_hash_tree): Handle RANGE_EXPR.
4383 (sra_elt_eq): Likewise.
4384 (lookup_element): Be prepared for handling groups.
4385 (is_valid_const_index): Delete.
4386 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4387 instead of is_valid_const_index.
4388 <ARRAY_RANGE_REF>: New case.
4389 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4390 is_valid_const_index.
4391 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4392 (scan_dump): Dump info for groups too.
4393 (decide_instantiation_1): Likewise.
4394 (decide_block_copy): Assert that the element is not a group.
4395 Propagate decision to groups.
4396 (generate_one_element_ref): Handle RANGE_EXPR.
4397 (mark_no_warning): Iterate over actual childs.
4398 (generate_copy_inout): Likewise.
4399 (generate_element_copy): Likewise.
4400 (generate_element_zero): Likewise.
4401 (generate_element_init_1): Likewise.
4402 (dump_sra_elt_name): Handle RANGE_EXPR.
4404 2006-07-03 Roger Sayle <roger@eyesopen.com>
4406 PR tree-optimization/26251
4407 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4408 (thread_block): When optimizing for size refuse to thread jumps
4409 that would require duplication of blocks other than redirection
4412 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4414 * configure.ac: Fix thinko in previous check-in.
4415 * configure: Regenerate.
4417 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4420 * configure.ac (for lang...): Simplify nesting of conditionals.
4421 Test subdir_requires for non-enabled languages. Move processing
4422 of lang_opt_files and lang_tree_fiels below that test.
4423 * configure: Regenerate.
4424 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4426 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4428 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4430 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4432 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4435 2006-06-29 Jason Merrill <jason@redhat.com>
4442 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4443 * c-common.c (c_determine_visibility): Handle it here.
4444 * c-decl.c (finish_decl): Call c_determine_visibility for
4446 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4448 * varasm.c (default_assemble_visibility): Likewise.
4449 * c-common.c (handle_visibility_attribute): Complain about trying
4450 to give visibility to an already defined class, or trying to change
4451 declared visibility. Always attach the attribute.
4456 * attribs.c (decl_attributes): Ignore type-in-place attributes
4457 once the type has been defined.
4459 2006-06-29 Roger Sayle <roger@eyesopen.com>
4462 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4463 to indicate the cpplib has issued an error message for us.
4465 2006-06-29 Asher Langton <langton2@llnl.gov>
4468 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4469 insert a label at the end of an function under Mach-O.
4471 2006-06-29 Eric Christopher <echristo@apple.com>
4472 Evan Cheng <evan.cheng@apple.com>
4474 * predicates.md (vector_all_ones_operand): New.
4475 (nonimmediate_or_sse_const_operand): Ditto.
4476 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4477 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4478 (standard_sse_mode_p): Ditto.
4479 (standard_sse_constant_p): Add case for -1 vector.
4480 (ix86_expand_vector_move): Try to use.
4481 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4482 Call standard_sse_constant_opcode.
4483 (*movv4sf_internal): Ditto.
4484 (*movv2df_internal): Ditto.
4486 2006-06-29 Roger Sayle <roger@eyesopen.com>
4488 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4489 of XEXP to extract the operands of a MATCH_CODE rtx.
4491 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4493 * tree.c (tree_size): Do not waste tail padding in
4494 struct tree_string and make the size be the same as
4495 build_string will generate.
4497 2006-06-28 Jason Merrill <jason@redhat.com>
4500 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4501 may_aliases already in the tag's annotations to the bitmap.
4503 2006-06-28 Roger Sayle <roger@eyesopen.com>
4505 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4507 2006-06-28 Roger Sayle <roger@eyesopen.com>
4509 * genpreds.c (generate_switch_p): New function.
4510 (add_mode_tests): Push the new mode test down inside an AND expr
4511 if this allows the switch-suitable MATCH_CODE to be near the root.
4512 (write_match_code_switch): New function to write a MATCH_CODE as
4514 (write_predicate_stmts): New function to write a predicate RTX
4515 expression as a sequence of statements.
4516 (write_one_predicate_function): Use write_predicate_stmts.
4517 (write_tm_constrs_h): Likewise.
4519 2006-06-26 Fred Fish <fnf@specifix.com>
4521 * config/mips/t-sb1: New file.
4522 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4525 2006-06-26 DJ Delorie <dj@redhat.com>
4527 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4529 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4530 Jayant Sonar <jayants@kpitcummins.com>
4531 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4533 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4534 (subsi3, subsi3_1, subsi3_2): New.
4535 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4536 * config/m32c/mov.md (SI mov peephole): New.
4537 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4538 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4540 2006-06-26 Olivier Hainque <hainque@adacore.com>
4542 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4543 a CALL_EXPR target function declaration.
4545 2006-06-26 Richard Guenther <rguenther@suse.de>
4547 * tree.c (build_string): Do not waste tail padding in
4550 2006-06-26 Richard Guenther <rguenther@suse.de>
4552 * ggc-page.c (init_ggc): Add missing element to size_lookup
4556 2006-06-23 Richard Guenther <rguenther@suse.de>
4558 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4559 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4560 alignment requests instead. Add verification code.
4561 Add struct tree_function_decl and struct tree_binfo size to
4562 extra_order_size_table. Add missing element to size_lookup
4565 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4568 * fold-const.c (const_binop): Be prepared for self returning zero.
4569 Simplify code handling complex values.
4571 2006-06-24 Olivier Hainque <hainque@adacore.com>
4573 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4574 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4577 2006-06-24 Olivier Hainque <hainque@adacore.com>
4579 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4580 ARRAY_REF, so have the callback called for the low bound expression.
4582 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4584 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4585 * c-typeck.c (c_common_type): Disallow operations on decimal float
4586 types and other float types.
4587 * convert.c (convert_to_real): Don't ignore conversions involving
4588 decimal float types.
4590 2006-06-23 Olivier Hainque <hainque@adacore.com>
4592 * tree.c (max_int_size_in_bytes): New function, inspired from
4593 code in function.c:assign_temp.
4594 * tree.h (max_int_size_in_bytes): Declare.
4595 * function.c (assign_temp): Use it.
4596 * gimplify.c (create_tmp_var): Relax the assertions on the type
4597 properties, not mandating constant size any more.
4598 (force_constant_size): New static function.
4599 (gimple_add_tmp_var): Use it, forcing variable size to a
4600 constant upper bound if it is not constant on entry.
4602 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4605 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4606 for initialization and setting of one_only flag to ...
4607 (i386_pe_encode_section_info): ...here.
4608 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4609 Recheck that the symbol has not been defined.
4611 2006-06-23 Richard Guenther <rguenther@suse.de>
4613 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4614 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4615 alignment requests instead. Add verification code.
4616 Add struct tree_function_decl and struct tree_binfo size to
4617 extra_order_size_table. Add missing element to size_lookup
4620 2006-06-22 Roger Sayle <roger@eyesopen.com>
4621 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4624 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4625 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4627 2006-06-23 Ben Elliston <bje@au.ibm.com>
4629 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4630 negate dn -- manipulate it directly.
4632 2006-06-22 Roger Sayle <roger@eyesopen.com>
4633 Steven Bosscher <stevenb.gcc@gmail.com>
4636 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4637 generated by gen_move_insn to add REG_LABEL notes if necessary.
4639 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4641 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4642 (leaf_entry): Remove use of MIN_ESA.
4644 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4646 PR rtl-optimization/28121
4647 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4650 2006-06-21 DJ Delorie <dj@redhat.com>
4652 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4654 (mulhisi3_r): Likewise.
4656 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4659 * coverage.c (coverage_counter_alloc): Leave the index type
4661 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4664 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4666 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4667 section from the "Options for Code Generation Conventions".
4669 2006-06-21 Richard Henderson <rth@redhat.com>
4673 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4675 (global_symbolic_operand): Allow weak symbols, even if local_p.
4677 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4679 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4680 (find_interesting_uses_address): Punt if above function returns true.
4682 2006-06-21 Richard Guenther <rguenther@suse.de>
4684 * configure: Regenerated.
4686 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4688 * config/mips/mips.c (function_arg): Where one part of a
4689 complex argument is in registers and the other part in the stack,
4690 return a REG not a PARALLEL.
4692 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4694 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4695 when cross-compiling. Do not substitute libstdcxx_incdir.
4696 * configure: Regenerated.
4698 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4700 * varasm.c (mergeable_string_section): Check for embedded NULs and
4701 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4702 rather than TREE_STRING_LENGTH bytes.
4704 2006-06-21 Richard Guenther <rguenther@suse.de>
4706 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4707 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4710 2006-06-21 Richrad Guenther <rguenther@suse.de>
4712 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4713 Limit iteration over the dominators.
4715 2006-06-20 Roger Sayle <roger@eyesopen.com>
4717 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4718 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4720 2006-06-20 Richard Guenther <rguenther@suse.de>
4721 Michael Matz <matz@suse.de>
4723 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4725 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4726 * et-forest.h (et_free_pools): Prototype new function.
4727 * et-forest.c (et_free_tree_force): Free parent occurrence.
4728 (et_free_pools): New function.
4729 * dominance.c (free_dominance_info): Free et-forest alloc
4732 2006-06-20 Roger Sayle <roger@eyesopen.com>
4734 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4735 integer modes, attempt to directly construct an integer constant.
4737 * fold-const.c (native_encode_vector): Determine the size of each
4738 element from the vector type instead of the first vector element.
4740 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4741 if all of its elements/components are constant.
4742 (build_constructor_from_list): Likewise.
4744 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4746 PR tree-optimization/27331
4747 * tree-data-ref.c (free_data_ref): New function.
4748 (create_data_ref): Fail if the data reference has unknown access
4750 (free_data_refs): Use free_data_ref.
4752 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4755 * tree-inline.c (setup_one_parameter): Strip useless
4756 type conversion before adding it to the IR.
4757 (declare_return_variable): Likewise.
4759 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4762 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4764 2006-06-19 Mike Stump <mrs@apple.com>
4766 * tree.c (variably_modified_type_p): VM arguments don't make the
4769 2006-06-19 Richard Guenther <rguenther@suse.de>
4771 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4772 type conversions after folding.
4774 2006-06-19 Richard Guenther <rguenther@suse.de>
4776 * ggc-page.c (extra_order_size_tab): Add entries with
4777 size of struct function and basic_block.
4778 (size_lookup): Extend to cover sizes up to 511.
4779 (ggc_alloc_stat): Adjust user.
4780 (ggc_pch_count_object): Likewise.
4781 (ggc_pch_alloc_object): Likewise.
4782 (ggc_pch_write_object): Likewise.
4784 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4786 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4787 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4790 2006-06-19 Denis Chertykov <denisc@overta.ru>
4792 * config/avr/libgcc.S : Correct my wrong previous commit.
4794 2006-06-19 Roger Sayle <roger@eyesopen.com>
4797 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4798 have stripped a SUBREG from the shift count, so we may need to
4799 convert_to_mode back to the type's mode before calling make_tree.
4800 Use new_amount instead of amount to avoid expanding a tree twice.
4802 2006-06-19 Richard Guenther <rguenther@suse.de>
4805 * fold-const.c (operand_equal_p): Check if the argument types
4806 have the same precision before stripping NOPs.
4808 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4810 Fix PR tree-optimization/27341
4811 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4813 * tree-complex.c (pass_lower_complex): Update SMT usage.
4815 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4817 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4818 Add a new alternative to the constraint strings. Add move of
4819 operand 1 to 3 to the splitter definition.
4820 ("doloop_si_long"): Second contraint alternative removed.
4822 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4824 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4825 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4827 (AVR_HAVE_MOVW) Define.
4828 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4829 (ASM_SPEC): Add avr25.
4830 (LINK_SPEC): Add avr25.
4831 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4832 (base_arch_s): Add new member 'have_movw_lpmx'.
4833 (avr_arch_types): Init 'have_movw_lpmx'.
4834 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4835 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4836 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4837 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4838 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4840 (avr_file_start): Do not output '.arh' derective.
4841 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4842 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4843 * config/avr/avr.md (mcu_enhanced): Delete.
4844 (mcu_have_movw): Define.
4845 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4846 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4847 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4848 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4849 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4850 attiny861 and at86rf401 devices.
4852 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4854 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4857 2006-06-17 Karl Berry <karl@gnu.org>
4859 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4860 doc/gccint.texi, doc/install.texi (@dircategory): Use
4861 "Software development" instead of "Programming", following
4862 the Free Software Directory.
4864 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4866 * config/i386/i386.c (legitimate_tls_address)
4867 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4868 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4869 (*tls_dynamic_gnu2_combine_64): Likewise.
4871 2006-06-16 Richard Guenther <rguenther@suse.de>
4874 * fold-const.c (negate_expr_p): Do not introduce undefined
4875 overflow in negating INTEGER_CSTs.
4876 (fold_negate_expr): Rename from negate_expr. Revert last
4877 change for folding BIT_NOT_EXPR. Change semantics to
4878 return NULL_TREE for non-simplified negations. Do not
4879 strip type conversions and unify type handling.
4880 (negate_expr): New function, wrap around fold_negate_expr
4881 but ensure building a tree always. Strip type conversions
4882 here, fold to result type.
4883 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4885 2006-06-16 Roger Sayle <roger@eyesopen.com>
4888 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4889 that (would) return their results in stack registers.
4891 2006-06-16 Michael Matz <matz@suse.de>
4892 Richard Guenther <rguenther@suse.de>
4894 * fold-const.c (fold_truthop): Only return new tree node if
4895 we canonicalized something.
4897 2006-06-16 Richard Guenther <rguenther@suse.de>
4899 * function.h (enum function_frequency): Move declaration
4900 out of struct function.
4901 (struct function): Move bool fields and the enum to the bitfield
4902 section. Reorder elements to avoid padding. Remove unused
4903 fields left over from the RTL inliner removal.
4904 * function.c (free_after_compilation): Do not zero removed fields.
4905 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4906 (ipa-type-escape.o): Likewise.
4908 2006-06-16 Richard Guenther <rguenther@suse.de>
4910 * cgraph.h (struct cgraph_local_info): Turn bool elements
4912 (struct cgraph_node): Likewise.
4913 (struct cgraph_varpool_node): Likewise.
4915 2006-06-15 Richard Guenther <rguenther@suse.de>
4917 * fold-const.c (fold_truth_not_expr): Rename from
4918 invert_truthvalue. Give it fold_* semantics to avoid
4920 (invert_truthvalue): New function. Wrapper around
4921 fold_truth_not_expr.
4922 (optimize_minmax_comparison): Avoid creating garbage.
4923 (fold_unary): Use fold_truth_not_expr for folding
4925 (fold_ternary): Replace uses of invert_truthvalue with
4926 fold_truth_not_expr where applicable.
4927 * tree.h (fold_truth_not_expr): Prototype.
4929 2006-06-16 Richard Guenther <rguenther@suse.de>
4931 PR tree-optimization/27781
4932 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4933 * ipa-pure-const.c (target.h): Include.
4934 (analyze_function): Do not analyze functions that do not
4937 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4940 * tree-dfa.c (referenced_vars_dup_list): Remove.
4941 (find_referenced_vars): Remove assert.
4942 (referenced_var_check_and_insert): Replace dup list with assert.
4943 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4944 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4946 2006-06-15 Richard Guenther <rguenther@suse.de>
4948 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4949 extra unused identifiers if not dumping.
4950 (create_variable_info_for): Likewise.
4952 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4954 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4955 (derive_constant_upper_bound): Derive more precise upper bound in
4956 common cases. Return type changed to double_int.
4957 (record_estimate): Reflect the changed return type of
4958 derive_constant_upper_bound.
4959 * double-int.c (double_int_zext, double_int_sext): Fix.
4961 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4963 * configure.ac (CFLAGS): Get them from the toplevel or from the
4964 configure invocation.
4965 * configure: Regenerate.
4966 * Makefile.in (CFLAGS): Substitute value provided by configure.
4968 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4971 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4972 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4973 rather than calling add_stmt on it.
4974 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4976 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4979 * reload1.c (reload): Remove registers returned by update_eliminables
4980 from used_spill_regs.
4982 2006-06-13 DJ Delorie <dj@redhat.com>
4984 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4986 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4988 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4989 html__strip_dir, html__mkdir_p. Enhance install-html target.
4990 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4991 * configure: Regenerate.
4993 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4995 * fold-const.c (fold_cond_expr_with_comparison): Check for
4996 Objective-C++ as language in deciding COND_EXPR transformation.
4998 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5001 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5002 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5003 * config/sh/lib1funcs.h (SL, SL1): Define.
5004 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5005 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5006 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5007 (OBJS_Os_4_200): New variable.
5008 ($(T)libgcc-Os-4-200.a): Use it.
5009 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5010 when dividing 1 and/or by 0.
5012 2006-06-13 Roger Sayle <roger@eyesopen.com>
5014 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5015 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5016 * configure: Regenerate.
5018 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5020 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5021 for real instruction.
5023 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5026 * haifa-sched.c (check_cfg): Handle special case.
5028 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5031 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5032 Add debug_info parameter. Chain the vars to the BLOCK instead
5033 of the BIND_EXPR if debug info are requested for them.
5034 (pop_gimplify_context): Adjust for above change.
5035 (gimple_add_tmp_var): Likewise.
5036 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5038 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5039 (convert_local_reference): Likewise.
5040 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5041 (finalize_nesting_tree_1): Request that debug info be emitted
5042 for debug_var_chain.
5044 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5046 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5047 for PR target/27863.
5049 2006-06-13 Richard Guenther <rguenther@suse.de>
5052 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5054 2006-06-13 Richard Guenther <rguenther@suse.de>
5056 PR tree-optimization/27830
5057 * tree-inline.c (copy_body_r): For copying the operand
5058 of an ADDR_EXPR make sure to fold &* afterwards.
5060 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5062 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5063 lvalues in the fb_none case with side-effects.
5065 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5067 * tree-flow.h: Remove the prototype for
5068 compute_phi_arg_on_exit.
5069 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5070 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5073 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5075 * builtins.c (expand_builtin_return_addr): Only use
5076 frame_pointer_rtx when count == 0 and we are expanding
5077 __builtin_return_address.
5079 2006-06-12 Fred Fish <fnf@specifix.com>
5081 * config/mips/mips.c (mips_file_start): Create special section
5082 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5084 2006-06-11 Eric Christopher <echristo@apple.com>
5087 * stor-layout.c (place_field): Remove check for
5088 remaining_in_alignment when aligning at the end of a run.
5090 2006-06-11 Eric Christopher <echristo@apple.com>
5093 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5096 2006-06-11 Roger Sayle <roger@eyesopen.com>
5099 Revert incorrect fix for PR target/27158
5100 2006-05-08 Roger Sayle <roger@eyesopen.com>
5101 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5102 of a reg_equiv_constant if the result is a legitimate constant.
5104 2006-06-11 Roger Sayle <roger@eyesopen.com>
5107 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5108 extract a CONST_VECTOR element and interpret it as an integer.
5109 (vspltis_constant): Use const_vector_elt_as_int instead of the
5110 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5111 * config/rs6000/predicates.md (easy_vector_const): Consider
5112 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5114 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5117 * stor-layout.c (update_alignment_for_field): Don't add extra
5118 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5121 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5123 * config/mips/t-rtems: Add EL/EB multilib variants.
5125 2006-06-09 Mike Stump <mrs@apple.com>
5127 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5129 2006-06-09 David Daney <ddaney@avtrex.com>
5131 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5133 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5135 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5137 2006-06-09 Richard Guenther <rguenther@suse.de>
5139 PR tree-optimization/26998
5140 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5141 of signed types, only TYPE_MIN_VALUE is special, but for both,
5142 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5143 in this case, as is -fwrapv.
5145 2006-06-08 Mike Stump <mrs@apple.com>
5148 * config/darwin.c (darwin_asm_output_anchor): Disable
5149 -fsection-anchors on darwin for now.
5150 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5151 * rs6000/rs6000.c (optimization_options): Likewise.
5153 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5156 * config/i386/i386.c (classify_argument): Skip fields with invalid
5159 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5161 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5162 (cse_insn): Likewise for the stack_pointer_rtx.
5164 2006-06-08 Roger Sayle <roger@eyesopen.com>
5166 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5167 conditions from floating point comparisons.
5169 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5172 * expmed.c (struct alg_hash_entry): Fix type of field T
5173 to match synth_mult argument.
5174 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5176 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5179 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5182 2006-06-08 Richard Guenther <rguenther@suse.de>
5185 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5186 only, if overflow is defined and not trapping.
5187 (negate_expr): Likewise.
5189 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5191 PR tree-optimization/27872
5192 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5193 flag on the new exit edge of the unrolled loop.
5195 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5197 PR rtl-optimization/26449
5198 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5200 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5203 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5204 referenced_variables with matching DECL_UID's.
5205 (find_referenced_vars): Make sure duplicate list is empty to start.
5206 (referenced_var_p): Remove.
5207 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5208 Check if var is in the list, and add if needed. Update the duplicate
5209 list if a different var is in the list with the same DECL_UID.
5210 (add_referenced_var): Call routine to check and insert.
5211 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5212 * tree-flow.h (referenced_vars_dup_list): External declaration.
5214 2006-06-07 Fred Fish <fnf@specifix.com>
5216 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5219 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5222 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5223 the imaginary and real parts of a clobbered register.
5224 Emit insn to set the imaginary part.
5226 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5228 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5229 in lieu of unwind-dw2-fde.c.
5231 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5233 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5235 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5238 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5239 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5240 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5241 V4SImode temporaries and operations instead.
5243 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5245 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5248 2006-06-06 Mike Stump <mrs@apple.com>
5250 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5251 installing during build.
5253 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5255 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5257 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5258 * config/ia64/ia64.c (params.h): New header.
5259 (ia64_optimization_options): New function to adjust parameters.
5260 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5261 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5262 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5264 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5266 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5268 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5271 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5273 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5274 Victor Kaplansky <victork@il.ibm.com>
5276 PR tree-optimization/26360
5277 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5280 2006-06-04 Roger Sayle <roger@eyesopen.com>
5281 Andrew Pinski <pinskia@physics.uc.edu>
5284 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5285 for LABEL_DECL before calling DECL_WEAK.
5288 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5289 LABEL_DECL and PARM_DECL.
5291 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5295 * c-decl.c (grokdeclarator): Disallow variably modified types at
5296 file scope. Avoid marking shared array type of constant size as
5299 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5302 * c-common.c (fold_offsetof_1): Handle static members.
5304 2006-06-04 Eric Christopher <echristo@apple.com>
5306 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5307 (debug_rli): Output value for remaining_in_alignment.
5308 (update_alignment_for_field): Unconditionalize
5309 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5310 extra alignment code.
5311 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5312 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5313 * tree.h (record_layout_info_s): Remove prev_packed.
5314 * doc/extend.texi (ms_struct): Add documentation of format.
5316 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5318 * tree.h: Declare folding_initializer.
5319 * builtins.c (fold_builtin_constant_p): Give definite answer
5320 if folding inside an initializer.
5321 * fold-const.c: Define folding_initializer.
5322 (START_FOLD_INIT): Save and then set folding_initializer.
5323 (END_FOLD_INIT): Restore folding_initializer.
5325 2006-06-04 Richard Guenther <rguenther@suse.de>
5327 PR tree-optimization/27039
5328 * fold-const.c (fold_comparison): Handle pointer comparison
5329 again for all comparison codes. Compare offsets in signed
5331 (fold_binary): Move code from here.
5333 2006-06-03 Roger Sayle <roger@eyesopen.com>
5336 * config/i386/i386.c (construct_container): Split static issued_error
5337 flag into issued_sse_arg_error, issued_sse_ret_error and
5338 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5339 requires the use of x87 registers and the user explicitly
5340 specified the -mno-80387 command line option.
5342 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5344 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5345 HAVE_DECL_SIGALTSTACK.
5347 (segv_handler): Use MC_FLD.
5348 * configure.ac: Check for a sigaltstack declaration.
5349 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5350 * configure: Regenerate.
5351 * config.in: Regenerate.
5353 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5356 * Makefile.in (stmp-fixinc): Fix typo.
5358 2006-06-02 Roger Sayle <roger@eyesopen.com>
5360 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5361 are type correct. Clean-up.
5362 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5363 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5365 2006-06-01 DJ Delorie <dj@redhat.com>
5367 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5368 shift, as we've disabled the "switch" insn that needs it.
5370 2006-06-01 Per Bothner <bothner@bothner.com>
5372 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5373 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5374 * c-ppoutput.c (cb_define): Don't increment line 0.
5376 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5378 * doc/invoke.texi: Add cpu_type power6.
5379 * config.gcc: Add cpu_type power6.
5380 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5381 to power5+ with Altivec.
5382 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5383 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5385 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5387 * config/avr/avr.h (SET_ASM_OP): Define.
5389 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5391 * config/bfin/bfin.c: Fix comment typos.
5393 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5396 * doc/install.texi: Document --enable-bootstrap and
5397 --disable-bootstrap.
5399 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5401 * doc/install.texi: Document that InfoZIP can replace jar.
5403 2006-05-31 Roger Sayle <roger@eyesopen.com>
5405 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5406 isn't available, directly generate the simpler x87 patterns without
5407 the (use (const_int 0)).
5408 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5409 implementation isn't available.
5410 (*negdf2_1): Likewise.
5411 (*negxf2_1): XF mode negation is always done using the x87.
5412 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5414 2006-05-31 Roger Sayle <roger@eyesopen.com>
5416 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5417 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5419 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5421 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5423 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5424 * config/bfin/bfin.c (basic-block.h): Include.
5425 (struct machine_function): New.
5426 (bfin_init_machine_status): New.
5427 (override_options): Initialize init_machine_status.
5428 (bfin_hardware_loop): New.
5429 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5430 (DEF_VEC_P (loop_info)): New.
5431 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5432 (struct loop_info): New.
5433 (loop_info): New typedef.
5434 (struct loop_work): New.
5435 (loop_work): New typedef.
5436 (DEF_VEC_O (loop_work)): New.
5437 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5438 (bfin_dump_loops): New.
5439 (bfin_bb_in_loop): New.
5440 (bfin_scan_loop): New.
5441 (bfin_optimize_loop): New.
5442 (bfin_reorg_loops): New.
5443 (bfin_reorg): Use bfin_reorg_loops.
5444 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5446 (I_REGNO_P): Simplify.
5447 (DP_REGNO_P, DPREG_P): New macros.
5448 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5449 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5450 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5451 Add LT_REGS, LC_REGS, LB_REGS.
5452 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5454 (REGNO_REG_CLASS): Deal with loop registers.
5455 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5457 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5458 New constants for loop registers.
5459 (UNSPEC_LSETUP_END): New.
5460 (seq_insns): New define_attr. Set it for appropriate insns.
5461 (movsi_insn): Add alternatives for move from/to
5462 loop count registers.
5463 (doloop_end): New define_expand.
5464 (loop_end): New define_insn.
5465 (define_split for bad doloop_end): New.
5466 (lsetup_with_autoinit): New define_insn.
5467 (lsetup_without_autoinit): New define_insn.
5468 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5469 * config/bfin/predicates.md (lc_register_operand): New.
5470 (lt_register_operand): New.
5471 (lb_register_operand): New.
5472 (nondp_register_operand): New.
5473 (nondp_reg_or_memory_operand): New.
5474 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5476 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5478 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5479 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5481 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5483 * Makefile.in (CATALOGS): Add po/ prefix.
5484 * configure: Regenerated.
5486 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5489 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5490 a shift operand before calling shift_op. Avoid redundant call of
5493 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5494 DJ Delorie <dj@redhat.com>
5496 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5497 we're inserting is a singlt-bit constant.
5499 2006-05-30 Roger Sayle <roger@eyesopen.com>
5501 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5502 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5504 2006-05-30 Roger Sayle <roger@eyesopen.com>
5506 PR tree-optimization/23452
5507 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5508 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5509 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5510 complex values and with -ffast-math for FP complex values.
5512 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5514 * c-common.h: Remove the prototype for yyparse.
5515 * rtl.h: Remove the prototype for init_loop.
5517 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5519 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5522 2006-05-30 Roger Sayle <roger@eyesopen.com>
5524 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5526 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5527 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5529 2006-05-30 Dirk Mueller <dmueller@suse.de>
5532 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5533 for CONSTANT_CLASS_P expresisons.
5535 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5538 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5540 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5542 PR tree-optimization/27779
5543 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5544 initial_condition instead of CHREC_LEFT.
5546 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5548 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5549 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5550 Make prototypes ISO C90.
5552 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5553 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5555 * see.c (see_analyze_one_def): Correct check.
5556 (see_get_extension_data): Check if extension is parallel.
5557 (see_get_extension_reg): Likewise.
5559 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5562 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5563 into register for (code == GTU).
5565 2006-05-29 Roger Sayle <roger@eyesopen.com>
5567 PR tree-optimization/24964
5568 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5569 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5570 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5571 abs(x)*abs(x) as x*x for scalar floating point modes.
5573 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5576 * lambda-code.c (perfect_nestify): Don't copy statements
5577 in the inner loop: move them to the inner loop header.
5579 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5582 * c-tree.texi: Document OpenMP directives and clauses.
5584 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5586 * varasm.c (globalize_decl): Fix indentation.
5588 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5591 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5592 pass_fre, pass_store_ccp, pass_copy_prop,
5593 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5594 pass_return_slot, pass_object_size, pass_lim,
5595 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5596 pass_loop_prefetch and pass_stdarg.
5598 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5600 * config/bfin/bfin.opt (mfdpic): New option.
5601 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5602 (EXTRA_MULTILIB_PARTS): Likewise.
5603 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5604 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5606 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5607 (CRT_CALL_STATIC_FUNCTION): New.
5608 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5610 (CRT_CALL_STATIC_FUNCTION): New.
5611 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5613 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5614 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5615 (initialize_trampoline): Changed to handle FD-PIC code generation.
5616 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5617 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5618 (override_options): Disallow -mid-shared-library -mfdpic combination.
5619 Can't do unaligned ops if FD-PIC.
5620 Turn off flag_pic if trying to generate non-id-shared-library
5621 non-fdpic code, since it's not supported.
5622 (bfin_assemble_integer): New function.
5623 (TARGET_ASM_INTEGER): Define.
5624 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5626 * config/bfin/crtn.s: Restore them.
5627 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5629 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5630 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5631 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5632 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5633 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5635 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5636 FDPIC_REGS and FDPIC_FPTR_REGS.
5637 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5638 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5639 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5640 (load_funcdescsi): New pattern.
5641 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5642 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5643 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5645 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5647 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5650 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5652 * tree-flow.h: Remove the prototype for add_type_alias.
5653 * tree-ssa-alias.c (add_type_alias): Remove.
5655 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5657 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5658 config/fr30/fr30.md, config/i386/i386-interix.h,
5659 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5660 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5661 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5662 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5663 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5664 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5665 Follow spelling conventions.
5666 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5667 Follow spelling conventions.
5669 2006-05-27 Richard Guenther <rguenther@suse.de>
5672 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5673 to produce a constant of value 1 of generic type.
5675 2006-05-27 Dirk Mueller <dmueller@suse.de>
5677 * cgraphunit.c (decide_is_function_needed): Fix wrong
5680 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5682 PR rtl-optimization/27661
5683 * reload.c (find_reloads): When reloading a VOIDmode constant
5684 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5685 use Pmode as mode of the reload register.
5687 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5689 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5690 is enabled at -O and above.
5692 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5695 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5698 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5701 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5702 for anonymous variables explicitly declared by front ends.
5704 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5706 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5707 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5708 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5709 ref-all pointers, run a finalization pass for them.
5710 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5711 (finalize_ref_all_pointers): New function.
5712 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5713 regular pointer type to a ref-all pointer type.
5714 (get_tmt_for): Return the special memory tag for ref-all pointers.
5716 2006-05-25 Richard Guenther <rguenther@suse.de>
5719 * fold-const.c (fold_binary): Do not look at the stripped
5720 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5722 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5724 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5725 for LT and GT if the computed range is effectively empty.
5727 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5730 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5731 mips_quad_format formats instead of ieee_single_format,
5732 ieee_double_format and ieee_quad_format formats, respectively.
5734 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5736 PR tree-optimization/27639
5737 PR tree-optimization/26719
5738 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5739 call to scev_probably_wraps_p.
5740 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5741 used_in_pointer_arithmetic_p, convert_step): Removed.
5742 (nowrap_type_p): New function.
5743 (scev_probably_wraps_p): Rewritten.
5744 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5745 chrec_convert if chrec_convert_aggressive might have been used.
5746 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5747 scev_direction): New functions.
5748 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5749 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5750 instead of convert_step.
5751 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5752 (convert_step): Declaration removed.
5753 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5755 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5757 * df-core.c: Added to header comments.
5758 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5759 df_ur_bb_info, df_urec_bb_info): Added comments.
5760 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5761 urec, ri problems): Fixed header comments.
5762 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5763 code from df_rd_transfer_function.
5765 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5767 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5768 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5769 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5771 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5773 * expr.c (undefined_operand_subword_p): New.
5774 (emit_move_multi_word): Do not generate move from undefined bits
5775 of a paradoxical subreg.
5777 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5779 PR rtl-optimization/27736
5780 * combine.c (replaced_rhs_value): New variable.
5781 (combine_instructions): Set it.
5782 (distribute_notes): When distributing a note in replaced_rhs_insn,
5783 check whether the value was used in replaced_rhs_value.
5785 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5788 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5789 add_referenced_var instead of add_referenced_tmp_var.
5790 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5791 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5793 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5794 tree_optimize_tail_calls_1): Use add_referenced_var.
5795 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5796 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5797 Use add_referenced_var.
5798 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5799 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5800 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5801 Use add_referenced_var.
5802 * tree-dfa.c (struct walk_state): Remove.
5803 (find_referenced_vars): Remove walk state and vars_found hash table.
5804 (make_rename_temp): Use add_referenced_var.
5805 (find_vars_r): Pass less parameters to add_referenced_var.
5806 (referenced_var_p): New. Is var in referenced_var hash table.
5807 (referenced_var_insert): Assert var isn't already in hash table.
5808 (add_referenced_var): Don't need walk_state parameter. Add var if it
5809 isn't already in the hash table.
5810 (add_referenced_tmp_var): Remove.
5811 (find_new_referenced_vars_1): Use add_referenced_var.
5812 * tree-ssa-pre.c (create_expression_by_pieces,
5813 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5814 Use add_referenced_var.
5815 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5816 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5817 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5819 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5820 vect_create_data_ref_ptr, vect_create_destination_var,
5821 vect_init_vector, vect_build_loop_niters,
5822 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5823 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5824 Use add_referenced_var.
5825 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5826 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5827 (add_referenced_var): Add prototype.
5828 * tree-ssa-structalias.c (get_constraint_for,
5829 intra_create_variable_infos): Use add_referenced_var.
5831 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5833 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5834 big-endian paradoxical subregs.
5835 * var-tracking.c (struct micro_operation_def): Document that,
5836 for modify micro operations, insn is the subsequent instruction.
5837 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5838 (var_reg_set, var_mem_set): ... new functions.
5839 (add_stores): Record subsequent insn.
5840 (compute_bb_dataflow): Use new functions for MO_USE.
5841 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5842 notes after the insn, and modify notes before the insn known
5843 to be the subsequent one.
5844 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5846 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5849 * config/i386/i386.c (ix86_expand_builtin): Use
5850 gen_sse3_monitor64 for TARGET_64BIT.
5852 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5854 PR rtl-optimization/26375
5855 PR rtl-optimization/26855
5856 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5858 (df_ru_bb_local_compute): Reversed statements and removed bogus
5859 comment explaining why they should be in wrong order.
5860 (df_ru_dump, df_rd_dump): Enhanced debug info.
5861 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5863 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5864 reaching uses and fixed space problem.
5866 2006-05-23 Jan Hubicka <jh@suse.cz>
5868 * cgraphunit.c (decide_is_function_needed): Also nested functions
5869 and functions declared inline can be optimized out at -O0.
5871 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5873 * doc/install.texi (Configuration): Remove reference to CrossGCC
5877 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5880 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5881 ix86_compare_emitted is non-NULL.
5883 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5886 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5889 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5891 PR rtl-optimization/25514
5892 * combine.c (replaced_rhs_insn): New variable.
5893 (combine_instructions): Set replaced_rhs_insn when trying to replace
5894 a SET_SRC with a REG_EQUAL note.
5895 (distribute_notes): Use replaced_rhs_insn when determining the live
5896 range of a REG_DEAD register.
5898 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5899 Anatoly Sokolov <aesok@post.ru>
5901 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5902 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5903 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5904 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5905 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5906 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5907 at90usb647, at90usb1286 and at90usb1287 devices.
5908 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5909 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5911 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5913 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5915 2006-05-22 Richard Guenther <rguenther@suse.de>
5918 2006-01-31 Richard Guenther <rguenther@suse.de>
5919 Paolo Bonzini <bonzini@gnu.org>
5921 * doc/install.texi (--disable-libgcc-math): Document.
5923 2006-05-22 Richard Guenther <rguenther@suse.de>
5926 2006-01-31 Richard Guenther <rguenther@suse.de>
5928 * doc/invoke.texi (-msselibm): Document.
5929 * target.h (expand_library_builtin): New target hook.
5930 * builtins.c (expand_builtin): Use expand_library_builtin.
5931 (default_expand_library_builtin): New function.
5932 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5933 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5934 (link_gcc_math_spec): Declare.
5935 (static_specs): Add link_gcc_math_spec.
5936 * expr.h (default_expand_library_builtin): Declare.
5937 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5938 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5939 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5940 * config/i386/i386.opt (msselibm): New target option.
5941 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5942 (ix86_init_sse_abi_builtins): New function.
5943 (ix86_expand_library_builtin): Likewise.
5944 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5945 (override_options): Handle error conditions wrt -msselibm.
5946 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5947 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5948 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5951 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5954 * c-common.c (self_promoting_args_p): Skip erroneous args.
5957 * c-decl.c (finish_struct): Skip erroneous fields.
5959 2006-05-22 Nick Clifton <nickc@redhat.com>
5961 * config/cris/cris.opt (march): Remove VarExists attribute.
5962 (max-stackframe=): Likewise.
5964 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5966 * doc/rtl.texi: Fix a typo.
5967 * see.c: Fix comment typos.
5969 * tree-ssa-structalias.h (alias_info): Remove num_references.
5971 2006-05-21 Mike Stump <mrs@apple.com>
5973 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5975 (darwin_pragma_options): Use BAD instead.
5976 (darwin_pragma_unused): Likewise.
5977 (darwin_pragma_ms_struct): Likewise.
5979 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5981 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5983 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5985 PR rtl-optimization/27671
5986 * simplify-rtx.c (simplify_relational_operation_1): Fix
5987 simplifications of (eq/ne (xor x y) y) and
5988 (eq/ne (xor x y) x).
5990 PR tree-optimization/26622.
5991 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5994 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5996 * tree-cfg.c: Prune whitespace.
5997 (debug_tree_cfg): Point to correct header containing the
6000 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6003 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6005 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6008 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6009 or sorry count is non zero.
6011 2006-05-20 Andreas Schwab <schwab@suse.de>
6013 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6015 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6016 Kenneth Zadeck <zadeck@naturalbridge.com>
6018 PR rtl-optimization/26855
6020 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6022 (df_scan_alloc): Added code to properly handle multiword hard
6023 registers and add all_blocks parameter.
6024 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6025 code to properly handle multiword hard registers.
6026 (df_rescan_blocks): Added code to remove deleted blocks from
6028 (df_ref_create_structure, df_ref_record): Added code to properly
6030 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6031 and set DF_REF_PARTIAL.
6032 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6033 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6034 (df_scan_add_problem): Added flags parameter.
6035 (df_ref_create_structure): Changed switching structure.
6036 (df_bb_refs_record): Fixed case where duplicate artificial refs
6037 were created. Changed location of flags.
6038 (df_record_entry_block_defs): Added code to make stack pointer
6039 live in entry block. Refined cases where frame pointer is needed.
6040 Changed location of flags.
6041 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6042 (df_set_state): Removed function.
6043 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6044 df_insn_create_insn_record, df_insn_refs_delete,
6045 df_ref_create_structure): Formatting changes.
6046 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6047 df_delete_basic_block): New function.
6048 (df_init): Changed location of flags.
6049 (df_add_problem): Added flags parameter and the way flags are
6051 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6052 debug_df_chain): Improved debugging output.
6053 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6054 (df_refs_chain_dump): Removed df parameter.
6055 (df_iterative_dataflow): Added consistency check.
6056 (df_prune_to_subcfg): Made public.
6057 (df_analyze_problem): Added blocks_to_init parameter and made
6059 (df_ref_record, df_bb_refs_record, df_mark_reg,
6060 df_record_exit_block_uses): Whitespace changes.
6061 (df_dump): Whitespace changes.
6062 * df.h: Some reordering to remove forward references.
6063 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6064 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6065 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6066 (dataflow.flags): New field.
6067 (df.flag): Deleted field.
6068 (df_alloc_function): Added additional bitmap parameter.
6069 (df_dependent_problem_function): New type.
6070 (df_problem.changeable_flags): New field.
6071 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6072 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6073 (df_mw_hardreg): New struct.
6074 (DF_INSN_UID_MWS): New macro.
6075 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6077 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6078 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6079 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6080 (df_set_state): Removed function.
6081 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6082 * df-problems.c (df_chain_dump): Removed df parameter.
6083 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6084 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6086 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6087 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6088 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6089 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6090 DF_REF_MUST_CLOBBER cases.
6091 (df_ru_bb_local_compute_process_def,
6092 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6093 df_lr_bb_local_compute, df_ur_bb_local_compute,
6094 df_chain_create_bb): Made subreg aware.
6095 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6096 df_lr_bb_local_compute, df_lr_bb_local_compute,
6097 df_chain_create_bb): Cleanup to use proper macros.
6098 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6099 code to fixup bitvectors.
6100 (df_ri_alloc): Cleared lifetime.
6101 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6102 df_create_unused_note): New function.
6103 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6104 REG_DEAD and REG_UNUSED notes as well as register information.
6105 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6106 df_chains_dump): Fixed crash if problem was never run.
6107 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6108 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6109 df_ri_add_problem): Processes flags in uniform manner.
6110 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6111 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6112 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6113 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6114 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6115 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6116 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6117 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6118 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6119 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6120 * see.c (see_initialize_data): Ditto.
6121 * final.c (rest_of_clean_state) Added regstack_completed.
6122 * rtl.h (regstack_completed): Ditto.
6123 * reg-stack.c (regstack_completed): Ditto.
6125 2006-05-19 Mike Stump <mrs@apple.com>
6127 * c-tree.h (default_conversion): Remove.
6128 * c-common.h (default_conversion): Add.
6130 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6132 * tree-vrp.c (valid_value_p): New function.
6133 (adjust_range_with_scev): Fail if the value of bound is not
6136 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6138 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6139 (mips_fallback_frame_state): Use syscall numbers to determine
6140 the appropriate li instruction for the current ABI. Only use
6141 __NR_sigreturn for o32.
6143 2006-05-19 Nicolas Setton <setton@adacore.com>
6145 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6146 * langhooks.c (lhd_dwarf_name): New function.
6147 * langhooks-def.h (lhd_dwarf_name): Declare.
6148 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6149 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6150 * ada/misc.c (gnat_dwarf_name): New function.
6151 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6153 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6155 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6157 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6158 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6159 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6160 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6161 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6162 determine the size of Wtype, etc.
6163 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6164 (swfloatfuncs): New variable.
6165 (dwfloatfuncs): Likewise.
6166 (lib2funcs): Remove floating-point conversion functions from
6167 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6168 the set of conversion routines needed. Allow entries to specify
6169 an object name, filename and word size. Update users accordingly.
6170 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6171 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6175 2006-02-08 Roger Sayle <roger@eyesopen.com>
6178 * config/fixtfdi.c: New libgcc source file.
6179 * config/fixunstfdi.c: New source file.
6180 * config/floatditf.c: New source file.
6181 * config/floatunditf.c: New souce file.
6182 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6183 files above instead of config/mips/_tilib.c.
6184 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6186 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6188 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6189 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6191 2006-05-18 Mike Stump <mrs@apple.com>
6193 Fix up vla, vm and [*] sematics.
6199 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6200 (c_vla_unspec_p): Add.
6201 (c_vla_type_p): Add.
6202 * c-decl.c (struct c_scope): Add had_vla_unspec.
6203 (build_array_declarator): Add support for [*].
6204 (grokdeclarator): Likewise.
6205 (grokparms): Likewise.
6206 (get_parm_info): Likewise.
6207 * c-objc-common.c (c_vla_unspec_p): Likewise.
6208 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6209 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6210 typeof when argument is a variably modified type not inside sizeof or alignof.
6211 (c_parser_direct_declarator_inner): Propagate errors.
6212 (c_parser_sizeof_expression): Add support for [*].
6213 (c_parser_parms_declarator): Initialize had_vla_unspec.
6214 (c_parser_parms_list_declarator): Likewise.
6215 * c-typeck.c (c_vla_type_p): Add.
6216 (composite_type): Add support for vla compositing.
6217 (comptypes_internal): Add support for vla compatibility.
6218 (c_expr_sizeof_expr): Evaluate vla arguments.
6219 * tree.c (variably_modified_type_p): Update comment for [*].
6221 2006-05-18 Michael Matz <matz@suse.de>
6224 * config.host: Make assignments to host_xmake_file cumulative.
6225 * config.host (*-darwin*): Test $host, not $target.
6227 2006-05-12 Stuart Hastings <stuart@apple.com>
6229 * config/i386/i386.opt (-mstackrealign): New flag.
6230 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6231 (ix86_handle_cconv_attribute): Emit error when
6232 force_align_arg_pointer attribute collides with too many regparms.
6233 (ix86_function_regparm): Limit regparms when used with
6234 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6235 Support stack-realigning prologue in non-main functions. Emit
6236 warning for nested functions under -mstackrealign, emit error for
6237 nested functions with force_align_arg_pointer attribute.
6238 * doc/extend.texi (force_align_arg_pointer): Document it.
6239 * doc/invoke.texi (-mstackrealign): Document it.
6241 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6243 PR rtl-optimization/27477
6244 * combine.c (try_combine): Don't split a parallel consisting
6245 of two sets into two individual sets if both sets reference
6248 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6250 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6251 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6253 * doc/options.texi (VarExists): Updated.
6255 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6257 * unwind-dw2.c: Add declarations for uw_update_context and
6259 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6260 detected, advance frame state and context once to skip over stub.
6262 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6266 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6267 Call rewrite_into_loop_closed_ssa only when something changed.
6268 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6269 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6270 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6271 Test for perfect_nest_p here. Fix formating.
6272 (replace_uses_equiv_to_x_with_y): Fix formating.
6273 (stmt_uses_op): Removed.
6274 (can_convert_to_perfect_nest): Removed loopivs parameter.
6275 Complete the test by checking the scalar dependences.
6276 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6279 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6282 From Dan Kegel <dank@kegel.com>:
6283 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6285 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6287 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6288 if the element type is variably modified without recursing.
6290 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6293 * tree-loop-linear.c (try_interchange_loops): Test for
6294 no data dependences.
6296 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6298 PR tree-optimization/27548
6299 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6300 range of ssa names that appear on abnormal edges.
6301 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6302 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6304 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6307 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6309 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6312 * tree.h (OMP_PARALLEL_COMBINED): Define.
6313 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6314 (new_omp_context): Add is_combined_parallel argument.
6315 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6316 new_omp_context caller.
6317 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6318 Adjust gimplify_scan_omp_clauses callers.
6319 (omp_is_private): Issue errors if iteration variable is firstprivate
6320 or reduction in the current context.
6321 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6322 on combined parallel workshare constructs.
6324 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6326 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6327 (gcc-options.o): New rule.
6329 * optc-gen.awk: Protect variables for gcc-options.o with
6330 #ifdef GCC_DRIVER/#endif.
6332 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6334 Fix PR tree-optimization/27373
6335 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6336 (forward_propagate_addr_expr): Update call.
6338 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6340 * doc/options.texi: Move the Negative option.
6342 2006-05-16 Richard Guenther <rguenther@suse.de>
6344 PR tree-optimization/22303
6345 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6347 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6348 ccp_fold did not simplify the statement.
6350 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6353 * Makefile.in (GCC_OBJS): New.
6354 (OBJS-common): Add opts-common.o.
6355 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6356 (cpp$(exeext)): Likewise.
6357 (gcc.o): Also depend on opts.h.
6358 (opts-common.o): New.
6360 * common.opt (gcoff): Add Negative(gdwarf-2).
6361 (gdwarf-2): Add Negative(gstabs).
6362 (gstabs): Add Negative(gstabs+).
6363 (gstabs+): Add Negative(gvms).
6364 (gvms): Add Negative(gxcoff).
6365 (gxcoff): Add Negative(gxcoff+).
6366 (gxcoff+): Add Negative(gcoff).
6367 * config/i386/i386.opt (m32): Add Negative(m64).
6368 (m64): Add Negative(m32).
6370 * doc/options.texi: Document the Negative option.
6372 * gcc.c: Include "opts.h".
6373 (main): Call prune_options after expandargv.
6375 * optc-gen.awk: Generate common declarations for all flag
6376 variables in options.c. Output the neg_index field.
6378 * opts.c (find_opt): Moved to ...
6379 * opts-common.c: Here. New file.
6381 * opts.h (cl_option): Add a neg_index field.
6383 (prune_options): Likewise.
6385 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6388 * omp-low.c (expand_omp_parallel): Don't assert
6389 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6390 instead search for it.
6393 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6396 2006-05-16 Andreas Schwab <schwab@suse.de>
6398 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6401 2006-05-15 Roger Sayle <roger@eyesopen.com>
6404 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6405 integer constants other than zero are only legitimate on TARGET_64BIT.
6406 <CONST_VECTOR> Only zero vectors are legitimate.
6407 (ix86_cannot_force_const_mem): Integral and vector constants can
6408 always be put in the constant pool.
6410 2006-05-16 DJ Delorie <dj@redhat.com>
6412 * crtstuff.c (__dso_handle): Set section from
6413 TARGET_LBIGCC_SDATA_SECTION if defined.
6414 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6415 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6417 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6420 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6423 2006-05-16 Ben Elliston <bje@au.ibm.com>
6425 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6427 2006-05-15 Per Bothner <per@bothner.com>
6429 * tree.c: (last_annotated_node): Use source_locus typedef.
6430 This permits bootstrapping with --enable-mapped-location.
6432 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6434 PR tree-optimization/26830
6435 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6436 (info_for_ssa_name, current_info_for_ssa_name_age,
6437 blocks_to_update): New variables.
6438 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6439 (clear_ssa_name_info, initialize_flags_in_bb,
6440 mark_block_for_update): New functions.
6441 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6442 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6443 prepare_def_site_for): Use mark_block_for_update.
6444 (mark_def_interesting): Assert that the processed block is marked in
6445 blocks_to_update. Do not take blocks argument.
6446 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6448 (rewrite_update_init_block, rewrite_update_stmt): Only process
6449 blocks with statements to rewrite.
6450 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6451 (update_ssa): Initialize and free blocks_to_update. Do not
6452 clear flags on statements. Do not use blocks bitmap.
6453 * tree.h (SSA_NAME_AUX): Removed.
6454 (struct tree_ssa_name): Removed aux field.
6455 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6457 2006-05-15 Richard Guenther <rguenther@suse.de>
6459 PR tree-optimization/27603
6460 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6461 Do computations in original type.
6463 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6465 * see.c: Code style changes such as redundant paranthesis,
6466 redundant intialization of local variables etc.
6467 (see_main): Declared now as static.
6468 * doc/invoke.texi: Update that -fsee is not enabled by
6471 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6473 * omp-low.c (check_omp_nesting_restrictions): New function.
6474 (scan_omp_1): Call it.
6477 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6478 construct, return *VAR.
6480 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6482 PR rtl-optimization/27406
6483 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6486 2006-05-14 Roger Sayle <roger@eyesopen.com>
6488 PR rtl-optimization/27538
6489 * combine.c (expand_compound_operation): Call gen_lowpart
6490 before calling simplify_shift_const.
6492 2006-05-14 Roger Sayle <roger@eyesopen.com>
6494 PR rtl-optimization/22563
6495 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6496 a fixed width bitfield, always force the intermediates into psuedos.
6498 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6501 * mkconfig.sh: Use operator = instead of == for test.
6503 2006-05-13 Nick Clifton <nickc@redhat.com>
6505 * dwarf2out.c (dbx_reg_number): Check return value from
6506 LEAF_REG_REMAP and only use it if it is valid.
6507 (multiple_reg_loc_descriptor): Likewise.
6509 2006-05-13 Richard Guenther <rguenther@suse.de>
6511 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6514 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6516 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6517 information attached to non-INSNs such as NOTEs.
6518 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6520 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6522 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6524 * config/s390/s390.md: Adjust comment describing On constraint.
6526 2006-05-11 Jan Hubicka <jh@suse.cz>
6528 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6529 to be output at -O0.
6531 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6534 * fold-const.c (size_binop): Move sanity check for arguments to
6535 the beginning of the function.
6538 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6541 2006-05-11 Richard Guenther <rguenther@suse.de>
6544 * fold-const.c (fold_unary): Handle intermediate conversion
6545 to a pointer type like intermediate conversion to an integer
6546 type in folding of (T1)(T2)var to var.
6547 Match the code to the comment in the final conversion for
6548 (T1)(T2)var to (T1)var regarding to type precision. Rather
6549 than disallow T1 being of pointer type, assert that both T1
6550 and var are of pointer type or not. Make sure not to fall
6551 over the frontends lazyness wrt array to pointer decay though.
6553 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6555 * arm.c (arm_struct_value_rtx): Delete.
6556 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6557 (arm_init_cumulative_args): Always initialize nregs to zero.
6559 2006-05-10 Richard Guenther <rguenther@suse.de>
6561 PR tree-optimization/27532
6562 * tree-object-size.c (plus_expr_object_size): Fix typo.
6564 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6567 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6568 ashrdi_const, ashrdi3): Use a scratch register.
6570 2006-05-10 Richard Guenther <rguenther@suse.de>
6572 PR tree-optimization/27302
6573 * fold-const.c (operand_equal_p): For two comparisons,
6574 try comparison of one comparison code swapped if that yields
6577 2006-05-10 Ben Elliston <bje@au.ibm.com>
6579 * tree-pretty-print.c (pretty_print_string): No need to handle
6580 '\0' as a special character.
6582 * tree.h: Include "hashtab.h".
6583 (iterative_hash_expr): Use hashval_t in its prototype.
6584 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6586 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6589 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6590 (hppa*64*-*-hpux11*): Ditto.
6591 (hppa[12]*-*-hpux11*): Ditto.
6593 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6596 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6598 2006-05-09 Michael Matz <matz@suse.de>
6600 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6601 host_extra_gcc_objs and host_xmake_file.
6602 (<*-*-linux*>): Don't overwrite host_xmake_file.
6603 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6604 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6605 (host_detect_local_cpu): Declare.
6606 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6607 * config/i386/i386.c (override_options): Handle -mtune=native
6609 * config/i386/x-i386: New file.
6610 * config/i386/driver-i386.c: New file.
6611 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6614 2006-05-09 Dirk Mueller <dmueller@suse.de>
6615 Richard Guenther <rguenther@suse.de>
6618 * fold-const.c (fold_read_from_constant_string): Relax check
6619 for matching types to matching modes.
6621 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6623 PR rtl-optimization/27335
6624 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6627 2006-05-08 Chao-ying Fu <fu@mips.com>
6628 Richard Sandiford <richard@codesourcery.com>
6630 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6631 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6632 * config/mips/mips.md (UNSPEC_SCC): New constant.
6633 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6634 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6635 (mips_emit_compare): Use it.
6636 (mips_expand_vcondv2sf): New function.
6638 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6640 Fix PR tree-optimization/27093
6641 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6642 renaming when they become not-used_alone.
6644 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6646 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6647 relocation and relocation stubs.
6649 2006-05-08 Eric Christopher <echristo@apple.com>
6651 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6654 2006-05-08 Jan Hubicka <jh@suse.cz>
6657 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6658 unused static functions are needed.
6660 2006-05-08 Roger Sayle <roger@eyesopen.com>
6663 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6664 of a reg_equiv_constant if the result is a legitimate constant.
6666 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6669 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6670 standard 80387 constants, raise the cost to prevent
6671 compress_float_constant() to generate load from memory.
6673 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6675 * config/arm/constraints.md (c): Fix a typo.
6677 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6680 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6683 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6685 (_mm_mwait): Likewise.
6687 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6689 (sse3_monitor): Make it 32bit only.
6690 (sse3_monitor64): New. 64bit monitor.
6692 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6695 * config/i386/i386.c (classify_argument): Skip fields with invalid
6698 2006-05-07 Richard Guenther <rguenther@suse.de>
6700 PR tree-optimization/27409
6701 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6702 Do not try to find zero-sized subvars.
6704 2006-05-07 Richard Guenther <rguenther@suse.de>
6706 PR tree-optimization/27136
6707 * tree-ssa-loop-niter.c (get_val_for): Correct function
6708 comment, assert requirements.
6709 (loop_niter_by_eval): Stop processing if the iterated
6710 value did not simplify.
6712 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6714 * opts.c (flag_see): remove its setting at -O3.
6716 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6718 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6719 * arm/constraints.md: New file.
6720 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6721 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6722 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6723 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6724 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6725 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6726 * arm.md: Include constraints.md.
6727 (thumb_movsi_insn): Use satisfies_constraint_J.
6728 (movhi, movqi): Use satisfies_constraint_I.
6730 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6732 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6733 for atmeg a645 device.
6735 2006-05-06 Richard Guenther <rguenther@suse.de>
6737 PR tree-optimization/27151
6738 * tree-vect-transform.c (vectorizable_condition): Punt on
6739 values that have a different type than the condition.
6741 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6744 * c-parser.c (c_parser_cast_expression): Only insert casts into
6745 hash table if pointer.
6746 * function.c (used_types_insert_helper): Rename from
6748 (used_types_insert): Call used_types_insert_helper.
6749 * function.h (used_types_insert): Accept only one argument.
6751 2006-05-05 David Edelsohn <edesohn@gnu.org>
6753 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6754 scratch with output modifier.
6756 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6759 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6760 with output modifier.
6762 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6765 * config/mips/mips.c (mips_symbolic_address_p): Return true
6766 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6767 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6769 2006-05-04 Richard Guenther <rguenther@suse.de>
6771 PR tree-optimization/14287
6772 PR tree-optimization/14844
6773 PR tree-optimization/19792
6774 PR tree-optimization/21608
6775 PR tree-optimization/27090
6776 * tree-ssa-pre.c (try_combine_conversion): New function.
6777 (compute_avail): After constructing the value-handle
6778 expression, use try_combine_conversion to combine NOP_EXPRs
6779 with previous value-handle expressions and use the result if it
6782 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6784 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6786 2006-05-04 Jan Hubicka <jh@suse.cz>
6789 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6791 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6793 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6794 that this only matches CONST_INTs. All users changed to VOIDmode
6797 * config/bfin/bfin.c: Include "optabs.h".
6798 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6800 (enum bfin_builtins): Add a number of fractional and vector builtins.
6801 (bfin_init_builtins): Likewise.
6802 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6803 (safe_vector_operand, bfin_expand_binop_builtin,
6804 bfin_expand_unop_builtin): New functions.
6805 (bfin_expand_builtin): Handle the new builtins.
6806 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6809 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6812 * Makefile.in (OBJS-common): Add see.o.
6813 (see.o): Add dependencies.
6814 * common.opt (fsee): New flag for the see optimization was added.
6815 * opts.c (flag_see): Initialized.
6816 * passes.c (init_optimization_passes, pass_see): New pass.
6817 * rtl.h (see_main): Declaration as extern.
6818 * timevar.def (TV_SEE): New.
6819 * tree-pass.h (pass_see): Declaration as extern.
6820 * invoke.texi (-fsee): Document.
6821 * recog.c (validate_simplify_insn): New function.
6822 * recog.h (validate_simplify_insn): Declaration as extern.
6823 * df-problems.c (df_chain_dump): Check for NULL.
6825 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6826 Daniel Berlin <dberlin@dberlin.org>
6828 * cfgrtl.c (insert_insn_bb_end_new): New function.
6829 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6831 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6833 * df.h (struct web_entry): Moved from web.c.
6834 (union_defs): Declaration as extern.
6835 (unionfind_root): Likewise.
6836 (unionfind_union): Likewise.
6837 * web.c (struct web_entry): Moved to df.h.
6838 (unionfind_root): Remove static declaration.
6839 (unionfind_union): Likewise.
6840 (union_defs): Likewise and generalize to use callback function.
6841 (web_main): Update arguments for union_defs function call.
6843 2006-05-04 Richard Guenther <rguenther@suse.de>
6845 PR tree-optimization/26447
6846 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6847 produce SSA_NAME copies before the store stmt to avoid
6848 breaking exception handling.
6850 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6853 * gimplify.c (omp_is_private): If var is shared in some outer context,
6854 return false instead of true. Stop searching on parallel context
6857 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6860 * coverage.c: Use get_gcov_unsigned_t() instead of
6861 unsigned_type_node all over.
6863 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6865 PR tree-optimization/27381
6866 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6867 maintain the same immediate_use links.
6868 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6869 node rather than segfaulting.
6871 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6874 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6875 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6876 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6878 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6880 Fix PR tree-optimization/26626
6881 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6883 * tree-ssa-operands.c (access_can_touch_variable): Allow
6884 typecasting through union pointers.
6886 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6889 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6890 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6891 to find if var will be a global variable even in the nested context.
6892 (omp_copy_decl): Only check for global variable at the end, it might
6893 be overridden in outer contexts.
6894 (scan_sharing_clauses): For global variables don't create a field.
6895 (lower_rec_input_clauses): Do nothing for global shared variables.
6896 Emit a barrier at the end of ILIST if there were any decls in both
6897 firstprivate and lastprivate clauses.
6898 (lower_send_clauses): Do nothing for global variables except for
6901 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6903 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6904 of the correct signedness is returned.
6906 2006-05-02 Jeff Law <law@redhat.com>
6908 PR tree-optimization/27364
6909 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6910 multiply expressions.
6912 2006-05-02 Tom Tromey <tromey@redhat.com>
6914 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6916 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6919 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6920 -mthumb -fPIC are used.
6922 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6923 Joshua Kinard <kumba@gentoo.org>
6926 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6927 with 64-bit pointers.
6929 2006-05-02 Paul Brook <paul@codesourcery.com>
6931 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6933 (create_fix_barrier): Check that a suitable barrier location is
6935 (arm_reorg): Include ftmp->address in allowable range of addresses.
6937 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6940 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6943 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6946 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6947 around RESULT_DECL for result passed by reference.
6948 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6949 * omp-low.c (use_pointer_for_field): Don't look at
6950 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6951 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6952 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6953 time or var for passing by reference for
6954 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6955 TREE_ADDRESSABLE variables when passing by reference.
6957 * omp-low.c (dump_omp_region): Fix output formatting.
6960 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6961 (expand_omp_parallel): Likewise.
6962 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6965 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6966 on statement list containing also constructors and destructors.
6967 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6970 * except.c (duplicate_eh_regions): Fix clearing of
6971 cfun->eh->region_array entries.
6973 2006-05-01 DJ Delorie <dj@redhat.com>
6975 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6977 (gcc_cv_objdump): Likewise.
6978 * configure: Regenerated.
6980 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6983 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6984 templates for case 3 and 4.
6986 2006-05-01 DJ Delorie <dj@redhat.com>
6988 * vec.c: Include bconfig.h when appropriate.
6989 * Makefile.in (build/vec.o): Adjust dependencies.
6990 * mkconfig.sh: Make sure config.h isn't used for build machine
6993 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6995 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6997 (mark_phi_for_rewrite): New function.
6998 (insert_phi_nodes_for, mark_use_interesting): Call
6999 mark_phi_for_rewrite.
7000 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7001 (update_ssa): Initialize and free phis_to_rewrite.
7003 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7005 PR rtl-optimization/27291
7006 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7007 folded to a constant.
7009 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7011 PR tree-optimization/27283
7012 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7013 not whole # of iteration descriptions.
7014 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7015 uses abnormal ssa name.
7016 (niter_for_single_dom_exit): Ditto.
7017 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7018 return just the number of iterations.
7020 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7022 PR tree-optimization/27144
7023 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7024 (record_estimate): Only record constant upper bound.
7025 (infer_loop_bounds_from_undefined): Call
7026 compute_estimated_nb_iterations just once.
7027 (proved_non_wrapping_p): Renamed to ...
7028 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7029 (convert_step_widening, scev_probably_wraps_p): Call
7030 n_of_executions_at_most instead of proved_non_wrapping_p.
7031 (substitute_in_loop_info): Do not replace values in bounds.
7032 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7035 2006-05-01 Richard Henderson <rth@redhat.com>
7038 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7039 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7042 2006-05-01 Roger Sayle <roger@eyesopen.com>
7044 * c-typeck.c (parser_build_binary_op): Don't call the function
7045 unsigned_conversion_warning to spot operand/result type overflow.
7046 (build_binary_op): Instead, call convert_and_check instead of
7047 convert to report the problem when the operands are promoted.
7048 * c-common.c (unsigned_conversion_warning): Make static.
7049 * c-common.h (unsigned_conversion_warning): Delete prototype.
7051 2006-05-01 Richard Guenther <rguenther@suse.de>
7053 PR tree-optimization/26726
7054 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7056 (find_interesting_uses_address): ... we work around here
7057 by folding INDIRECT_REFs in the substituted base.
7059 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7061 * omp-low.c (dump_omp_region): Add newlines.
7063 2006-04-30 Roger Sayle <roger@eyesopen.com>
7065 * common.opt (Woverflow): New command line option.
7066 * c-common.c (constant_expression_warning): Check warn_overflow.
7067 (overflow_waring): Pass OPT_Woverflow to warning.
7068 (unsigned_conversion_warning): Likewise.
7069 (convert_and_check): Likewise.
7070 * doc/invoke.texi: Document new command line option.
7072 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7074 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7075 TARGET_NO_FP_IN_TOC for section anchors.
7076 (optimization_options): Enable section anchors for all
7077 non-"Objective" languages.
7079 2006-04-28 Eric Christopher <echristo@apple.com>
7081 * config/darwin-c.c (darwin_ms_struct): Move this
7082 (darwin_set_default_type_attributes): and this...
7083 * config/darwin.c: ... here.
7084 * config/darwin.h (darwin_ms_struct): Declare.
7086 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7088 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7090 2006-04-28 Roger Sayle <roger@eyesopen.com>
7093 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7094 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7095 an unsigned HOST_WIDE_INT.
7096 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7098 (really_start_incremental_init): No need to call convert because
7099 bitsize_zero_node is already of type bitsizetype.
7100 (push_init_level): Extract the value of constructor_index as an
7101 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7102 (process_init_element): Likewise.
7104 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7106 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7107 value before passing to make_relative_prefix.
7109 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7112 * builtins.c (expand_builtin_memset): Expand val in original mode.
7114 2006-04-27 Eric Christopher <echristo@apple.com>
7116 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7117 with #ifndef/#endif.
7118 * config/darwin-c.c (darwin_ms_struct): New.
7119 (darwin_pragma_ms_struct): Ditto.
7120 (darwin_set_default_type_attributes): Ditto.
7121 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7122 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7123 Register ms_struct pragma.
7124 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7125 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7126 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7127 darwin_set_default_type_attributes if TARGET_MACHO.
7129 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7131 PR tree-optimization/26854
7132 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7133 * doc/tree-ssa.texi: Update immuse iterator documentation.
7134 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7135 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7136 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7137 first_safe_imm_use, next_safe_imm_use): Remove.
7138 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7139 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7140 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7141 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7142 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7143 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7144 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7145 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7146 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7147 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7148 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7149 (perfect_nestify): Use new iterator.
7150 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7152 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7153 (next_imm_name): New field in struct immediate_use_iterator_d.
7154 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7155 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7156 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7157 * tree-cfg.c (replace_uses_by): Use new iterator.
7158 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7159 * tree-ssa-operands.c (correct_use_link): Remove.
7160 (finalize_ssa_use_ops): No longer call correct_use_link.
7162 2006-04-27 Stuart Hastings <stuart@apple.com>
7164 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7165 * config/t-darwin (crt3.o): Use it.
7166 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7167 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7168 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7169 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7170 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7173 2006-04-27 Roger Sayle <roger@eyesopen.com>
7175 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7176 size, force the intermediate into a new pseudo rather instead of
7177 performing both a bitwise AND and a bitwise IOR in memory.
7179 2006-04-27 Richard Guenther <rguenther@suse.de>
7181 PR rtl-optimization/26685
7182 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7183 this one "max-flow-memory-locations".
7185 2006-04-27 Richard Guenther <rguenther@suse.de>
7187 PR tree-optimization/25148
7188 * tree-vrp.c (compare_values): Remove code dealing with
7189 comparisons against type min/max value. Honour overflow
7190 and negative constants in code dealing with comparisons
7191 of plus and minus expressions.
7192 (value_inside_range): Use fold_binary with LE_EXPR and
7193 GE_EXPR rather than compare_values.
7195 2006-04-27 Dirk Mueller <dmueller@suse.de>
7197 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7200 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7202 * basic-block.h (safe_insert_insn_on_edge): Removed.
7203 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7205 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7206 Paolo Bonzini <bonzini@gnu.org>
7209 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7210 (simplify_and_const_int): Same.
7212 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7214 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7216 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7219 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7220 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7221 cgraph_global_info_ready.
7224 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7227 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7228 either decl or init is error_mark_node.
7231 * tree-flow.h (struct omp_region): Add sched_kind.
7232 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7233 instead of extracting omp for data.
7234 (expand_omp_for): Save extracted sched_kind.
7236 2006-04-25 Roger Sayle <roger@eyesopen.com>
7238 * expmed.c (store_bit_field): Also check whether the bitsize is
7239 valid for the machine's "insv" instruction before moving the
7240 target into a pseudo for use with the insv.
7241 * config/i386/predicates.md (const8_operand): New predicate.
7242 * config/i386/i386.md (extv, extzv, insv): Use the new
7243 const8_operand predicate where appropriate.
7245 2006-04-25 DJ Delorie <dj@redhat.com>
7247 * doc/install.texi (Specific): Clarify that this is not a list of
7248 supported hosts or targets.
7250 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7252 PR rtl-optimization/26725
7253 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7254 block's BB_DIRTY flag.
7256 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7258 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7261 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7262 to print an integer.
7264 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7266 * varasm.c (align_variable): New function.
7267 (get_block_for_decl): Apply align_variable to DECL before
7268 calculating section information.
7269 (assemble_variable): Split out alignment computation.
7271 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7273 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7276 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7278 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7279 MODE_PARTIAL_INT mode.
7280 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7281 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7283 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7284 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7286 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7288 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7290 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7291 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7292 MACFLAG_IH): Likewise.
7293 (movstricthi_1): Renamed from "*movstricthi".
7294 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7295 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7296 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7297 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7298 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7299 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7300 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7301 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7302 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7303 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7304 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7305 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7306 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7307 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7308 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7310 * doc/rtl.texi (ss_ashift): Improve wording.
7312 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7314 * dwarf2out.c (verify_marks_clear): New.
7315 (prune_unused_types): Call verify_marks_clear initially, not
7318 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7320 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7321 * doc/rtl.texi: Document them.
7322 * simplify-rtx.c (simplify_unary_operation,
7323 simplify_binary_operation_1): Don't abort when we see them.
7325 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7328 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7329 * configure.ac: Completely disregard languages that are not
7331 * configure: Regenerated.
7333 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7334 Richard Guenther <rguenther@suse.de>
7336 PR tree-optimization/27236
7337 * tree-inline.c (copy_body_r): Make sure to copy
7338 TREE_THIS_VOLATILE flag.
7340 2006-04-24 Richard Guenther <rguenther@suse.de>
7343 * tree-complex.c (update_parameter_components): Don't handle
7344 unused parameters which have no default def.
7346 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7347 Richard Guenther <rguenther@suse.de>
7349 PR tree-optimization/27218
7350 * tree-inline.c (expand_call_inline): Strip useless type
7351 conversions for the return slot address.
7353 2006-04-24 Richard Guenther <rguenther@suse.de>
7355 * cfgloop.h (struct loops): Remove unused field array. Reorder
7357 (LOOP_PREFETCH): Remove.
7359 2006-04-24 Richard Guenther <rguenther@suse.de>
7361 PR tree-optimization/22525
7362 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7363 variable, adjust types of generated expressions.
7365 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7367 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7368 (tree-vect-patterns.o): Likewise.
7370 (cselib.o): Likewise.
7371 (loop-doloop.o): Likewise.
7372 (regclass.o): Likewise.
7373 (reload1.o): Likewise.
7374 (explow.o): Replace target.h with $(TARGET_H).
7375 (ipa-prop.o): Likewise.
7376 (ipa-cp.o): Likewise.
7377 (ipa-inline.o): Likewise.
7378 (reorg.o): Likewise.
7379 (reg-stack.o): Likewise.
7381 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7383 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7385 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7387 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7389 * configure.ac: Completely disregard languages that are not
7391 * configure: Regenerated.
7394 * c-common.h (c_build_bitfield_integer_type): Declare.
7395 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7396 * c-common.c (c_build_bitfield_integer_type): ... here.
7398 2006-04-23 Roger Sayle <roger@eyesopen.com>
7401 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7402 a SImode SUBREG of a floating point register after no_new_pseudos.
7404 2006-04-23 Roger Sayle <roger@eyesopen.com>
7406 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7407 identify potentially eliminable registers to additionally catch
7408 VIRTUAL_INCOMING_ARGS_REGNUM.
7409 (addsi3): Update the conditions on when to use addsi_small_int.
7411 2006-04-23 Roger Sayle <roger@eyesopen.com>
7414 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7415 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7416 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7418 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7420 * fold-const.c (range_predecessor): Use operand_equal_p
7421 as the predicate for equality.
7422 (range_successor): Likewise.
7424 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7427 * config/soft-fp/op-common.h: Fix a typo.
7429 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7432 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7433 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7435 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7437 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7439 * doc/tm.texi: Fix a typo.
7441 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7443 * dwarf2out.c (struct die_struct): Document that die_sib makes
7444 a circular linked list.
7445 (FOR_EACH_CHILD): New.
7446 (reverse_die_lists): Delete.
7447 (reverse_all_dies): Delete.
7448 (add_dwarf_attr): Correct documentation.
7449 (remove_child_with_prev): New.
7450 (remove_child_TAG): Update for change to die_struct, use
7451 remove_child_with_prev.
7452 (add_child_die): Update for change to die_struct.
7453 (splice_child_die): Use remove_child_with_prev and add_child_die.
7454 (print_die): Use FOR_EACH_CHILD.
7455 (die_checksum): Likewise.
7456 (assign_symbol_names): Likewise.
7457 (output_location_lists): Likewise.
7458 (build_abbrev_table): Likewise.
7459 (calc_die_sizes): Likewise.
7460 (mark_dies): Likewise.
7461 (unmark_dies): Likewise.
7462 (unmark_all_dies): Likewise.
7463 (output_die): Likewise.
7464 (prune_unused_types_mark): Likewise.
7465 (prune_unused_types_walk): Likewise.
7466 (same_die_p): Update for change to die_struct.
7467 (break_out_includes): Likewise.
7468 (prune_unused_types_prune): Likewise.
7469 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7470 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7472 (dwarf2out_finish): Don't call reverse_all_dies.
7474 2006-04-21 Eric Christopher <echristo@apple.com>
7476 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7477 in comments and function names.
7479 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7482 * c-typeck.c (digest_init): Robustify.
7484 * c-typeck.c (pop_init_level): Simplify.
7486 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7488 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7490 2006-04-21 Paul Brook <paul@codesourcery.com>
7492 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7493 hardware floating point.
7495 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7497 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7500 2006-04-21 Nick Clifton <nickc@redhat.com>
7502 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7505 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7508 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7509 C++ lang type in traceback table for Objective-C++.
7511 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7513 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7515 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7517 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7520 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7521 were errors. Remove check for erroneous objects.
7523 2006-04-20 Jeff Law <law@redhat.com>
7525 PR tree-optimization/26854
7526 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7527 checking for zero or one use.
7528 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7529 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7530 * tree-ssa-reassoc.c (negate_value): Similarly.
7531 (reassociate_bb): Similarly.
7533 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7535 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7536 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7537 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7539 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7541 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7542 fp regs if the last fp arg doesn't fit in regs.
7544 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7547 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7548 that the last insn has the REG_INC note.
7550 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7551 Nathan Sidwell <nathan@codesourcery.com>
7554 * stor-layout.c (update_alignment_for_field): Do not align
7556 (place_union_field): Place union field at the start of the union.
7557 (place_field): Move ERROR_MARK check later, and use the current
7558 allocation position to maintain monotonicity.
7560 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7562 * dominance.c: Include timevar.h.
7563 (calculate_dominance_info): Use TV_DOMINANCE.
7564 * timevar.def (TV_DOMINANCE): New timevar.
7565 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7567 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7569 PR rtl-optimization/14261
7570 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7571 move would be an INSV insn.
7572 (noce_process_if_block): Don't optimize if the destination is a
7573 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7575 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7577 * config/s390/s390.md: Add comments with the instructions emitted
7578 by an insn pattern if macros are used.
7580 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7582 PR rtl-optimization/26026
7583 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7584 is a known power of two shifted left a variable amount.
7586 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7588 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7589 to hash table twice when the debug_str section has SECTION_MERGE.
7591 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7593 * config/soft-fp: New directory. From glibc.
7594 * config/soft-fp/t-softfp: New.
7595 * config/soft-fp/README: New.
7596 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7597 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7598 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7599 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7600 * config.gcc: Use rs6000/t-fprules-fpbit or
7601 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7603 * config/rs6000/sfp-machine.h: New. Based on glibc.
7604 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7606 * config/rs6000/t-fprules: Remove fp-bit rules.
7607 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7608 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7609 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7610 (softfp_wrap_start, softfp_wrap_end): New.
7612 2006-04-18 DJ Delorie <dj@redhat.com>
7614 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7616 2006-04-18 Devang Patel <dpatel@apple.com>
7618 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7620 2006-04-18 Nick Clifton <nickc@redhat.com>
7622 * config/sh/t-symbian: Add rule to build sh-c.o
7623 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7624 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7625 (sh_symbian_encode_section_info): Likewise.
7627 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7629 * builtins.c (expand_builtin_strcmp): Cover label definition of
7630 do_libcall with HAVE_cmpstrnsi.
7632 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7634 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7636 * function.h (temp_slot_p): New.
7637 (function): Change the type of x_used_temp_slots to
7638 VEC(temp_slot_p,gc) *.
7640 2006-04-18 Nick Clifton <nickc@redhat.com>
7642 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7643 flag_strength_reduce.
7645 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7647 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7651 Partial revert of revision 112637
7652 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7653 Dale Johannesen <dalej@apple.com>
7656 * regclass.c (struct reg_pref): Update documentation.
7657 (regclass): Set prefclass to NO_REGS if memory is the best option.
7658 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7660 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7662 PR tree-optimization/26821
7663 * tree-ssa-math-opts.c (get_constant_one): New.
7664 (insert_reciprocals): Use it.
7666 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7668 * dwarf2out.c (free_AT): Delete.
7669 (remove_AT): Update string ref counts.
7670 (remove_child_TAG): Don't call free_die.
7672 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7673 or DW_TAG_GNU_EINCL.
7674 (prune_unused_types_walk_attribs): Reset string refcounts.
7675 (prune_unused_types_update_strings): New.
7676 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7677 call free_die. Do call prune_unused_types_update_strings.
7678 (prune_unused_types): Empty debug_str_hash.
7680 2006-04-17 Roger Sayle <roger@eyesopen.com>
7682 * expr.c (expand_assignment): Optimize away no-op moves where the
7683 source and destination are equal and have no side-effects.
7685 2006-04-17 Richard Guenther <rguenther@suse.de>
7688 * reload.c (push_reload): Guard calls to get_secondary_mem
7691 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7693 * alias.c (reg_base_value, old_reg_base_value): Change the
7694 type to VEC(rtx,gc) *.
7695 (REG_BASE_VALUE, find_base_value, record_set,
7696 init_alias_analysis): Use VEC instead of VARRAY.
7698 * alias.c (alias_sets): Change the type to
7699 VEC(alias_set_entry,gc) *.
7700 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7701 VEC instead of VARRAY.
7702 (last_alias_set): Remove.
7704 * cgraph.h (cgraph_edge_p): New.
7705 Update the prototype of cgraph_function_versioning.
7706 * cgraphunit.c (cgraph_copy_node_for_versioning,
7707 cgraph_function_versioning): Use VEC instead of VARRAY.
7708 * ipa-cp.c (ipcp_insert_stage): Likewise.
7710 2006-04-16 Roger Sayle <roger@eyesopen.com>
7713 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7714 "A op B" or "A op C", we may need to convert A to the type of B and C.
7716 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7718 * target.h (struct gcc_target): Add mode_rep_extended.
7719 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7720 (init_num_sign_bit_copies_in_rep): Initialize it using
7722 (truncate_to_mode): Use it.
7723 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7724 * targhooks.h (default_mode_rep_extended): Declare it.
7725 * targhooks.c (default_mode_rep_extended): Define it.
7726 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7727 default_mode_rep_extended.
7728 (TARGET_INITIALIZER): Include it.
7729 * doc/tm.texi (Misc): Document it.
7730 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7731 (mips_truncated_to_mode): New function.
7733 2006-04-16 Roger Sayle <roger@eyesopen.com>
7736 * expr.c (compress_float_constant): Copy the narrow constant into
7737 a new pseudo before extending it to its final width.
7739 2006-04-16 Roger Sayle <roger@eyesopen.com>
7740 Andrew Pinski <pinskia@gcc.gnu.org>
7741 Dale Johannesen <dalej@apple.com>
7744 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7745 special case code to implement V8HImode and V16QImode with SSE2.
7747 2006-04-15 Roger Sayle <roger@eyesopen.com>
7749 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7750 trees are constructed with a suitable tree type.
7752 2006-04-15 Roger Sayle <roger@eyesopen.com>
7754 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7755 (integer_onep): Likewise.
7756 (integer_all_onesp): Likewise.
7757 (integer_pow2p): Likewise.
7758 (integer_nonzerop): Likewise.
7759 (real_zerop): Likewise.
7760 (real_onep): Likewise.
7761 (real_twop): Likewise.
7762 (real_minus_onep): Likewise.
7763 (int_size_in_bytes): Likewise.
7764 (host_integerp): Likewise.
7766 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7768 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7769 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7770 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7772 * tree-ssa-structalias.h (alias_info): Remove num_references.
7774 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7776 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7777 (output_bvb patterns): Likewise.
7778 * pa.c (output_bb): Use 'bb' insn for long branch case.
7779 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7780 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7781 1. Correct length operand for alternatives 1 and 2.
7782 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7783 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7785 2006-04-14 Roger Sayle <roger@eyesopen.com>
7787 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7788 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7789 were accidentally reverted by r112959.
7791 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7794 * except.h (eh_region_outermost): New prototype.
7795 * except.c (eh_region_outermost): New function.
7796 * tree-cfg.c (find_outermost_region_in_block): Use it.
7798 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7800 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7802 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7803 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7804 (init_reload, reload): Use VEC instead of VARRAY.
7805 * reload.h: Update the prototype for
7806 reg_equiv_memory_loc_varray.
7808 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7809 Eric Botcazou <ebotcazou@libertysurf.fr>
7811 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7814 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7817 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7818 to expand fallback builtin function call.
7820 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7823 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7824 and emit libcall here in case the builtin fails.
7825 (expand_builtin_strcmp): Always emit the libcall here on failure.
7827 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7829 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7830 * flow.c (reg_n_info): Change the type to
7831 VEC(reg_info_p,heap) *.
7832 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7834 * regs.h (reg_info_p): New.
7835 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7836 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7837 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7840 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7842 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7844 * params.h (MAX_SCHED_READY_INSNS): New macro.
7845 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7846 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7847 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7848 the ready list for 1 cycle during the first scheduling pass.
7849 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7851 2006-04-13 Richard Henderson <rth@redhat.com>
7854 * gimple-low.c (lower_omp_directive): Remove dead code.
7855 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7856 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7857 * omp-low.c (struct omp_region): Move to tree-flow.h.
7858 (root_omp_region): Export.
7859 (omp_regions, lookup_omp_region): Remove.
7860 (determine_parallel_type): Update for struct omp_region changes.
7861 (dump_omp_region): Dump regions with block numbers.
7862 (new_omp_region): Take type and block instead of stmt; malloc
7864 (free_omp_region_1, free_omp_regions): New.
7865 (expand_parallel_call): Take entry_stmt as argument; update for
7866 changes to omp_region.
7867 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7868 (remove_exit_barriers): New.
7869 (expand_omp_parallel): Update for struct omp_region changes.
7870 (expand_omp_synch): Likewise.
7871 (expand_omp): Likewise.
7872 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7873 (expand_omp_for_static_chunk): Likewise.
7874 (expand_omp_for): Likewise.
7875 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7876 (expand_omp_sections): Similarly, with GOMP_sections_end.
7877 (expand_omp_single): New.
7878 (build_omp_regions_1): Update for OMP_CONTINUE.
7879 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7880 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7881 OMP_SECTIONS_SECTIONS.
7882 (lower_omp_single_simple): Don't emit barrier here.
7883 (lower_omp_single_copy): Likewise.
7884 (lower_omp_single): Fix bindings, and lower to straightline now.
7885 (lower_omp_master, lower_omp_ordered): Likewise.
7886 (lower_omp_critical): Likewise.
7887 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7888 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7889 omp edges, free it afterward.
7890 (make_omp_sections_edges): Remove.
7891 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7892 (move_stmt_r): Handle OMP_CONTINUE.
7893 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7894 statement pointers to basic blocks. Add type member.
7895 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7896 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7897 * tree-inline.c (estimate_num_insns_1): Likewise.
7898 * tree-pretty-print.c (dump_generic_node): Likewise.
7899 * tree-ssa-operands.c (get_expr_operands): Likewise.
7900 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7901 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7902 (OMP_CONTINUE): New.
7903 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7904 (OMP_SECTIONS_SECTIONS): Remove.
7905 (OMP_SECTION_LAST): New.
7906 (OMP_RETURN_NOWAIT): New.
7908 2006-04-13 Roger Sayle <roger@eyesopen.com>
7910 * fold-const.c (native_encode_vector, native_interpret_real):
7911 Correct obvious mistakes in the previous check-in.
7913 2006-04-13 Roger Sayle <roger@eyesopen.com>
7915 * fold-const.c (native_encode_expr): New function to encode
7916 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7917 or VECTOR_CST into a specified buffer.
7918 (native_encode_int): New function.
7919 (native_encode_real): New function.
7920 (native_encode_complex): New function.
7921 (native_encode_vector): New function.
7922 (native_interpret_expr): Inverse of native_encode_expr to convert
7923 a target representation into an INTEGER_CST, REAL_CST etc...
7924 (native_interpret_int): New function.
7925 (native_interpret_real): New function.
7926 (native_interpret_complex): New function.
7927 (native_interpret_vector): New function.
7928 (fold_view_convert_expr): New function to constant fold/evaluate
7929 a VIEW_CONVERT_EXPR of a suitable constant expression.
7930 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7931 Change call of build1 to fold_build1 when constructing a
7934 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7935 Ulrich Weigand <uweigand@de.ibm.com>
7938 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7941 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7944 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7945 optimize to lo_sum for DFmode if !TARGET_FPRS.
7947 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7949 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7950 delete_alias_info, compute_flow_sensitive_aliasing,
7951 group_aliases): Use VEC instead of VARRAY.
7952 * tree-ssa-structalias.c (update_alias_info): Likewise.
7953 * tree-ssa-structalias.h (alias_info): Change the type of
7954 processed_ptrs to VEC(tree,heap) *.
7956 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7959 * config/sh/lib1funcs.h: New file, broken out of:
7960 * config/sh/lib1funcs.asm.
7961 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7963 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7964 * config/sh/lib1funcs-Os-4-200.asm: New file.
7965 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7966 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7967 (EXTRA_MULTILIB_PARTS): Include it.
7968 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7969 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7970 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7971 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7974 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7976 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7977 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7978 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7980 * tree-ssa-live.h: Include vecprim.h.
7981 (tree_partition_associator_d): Change the type of
7982 first_partition to VEC(int,heap) *.
7983 (tpa_first_partition): Use VEC instead of VARRAY.
7985 * Makefile.in (GTFILES): Move functions.h after tree.h.
7986 * function.c (reset_block_changes, record_block_change,
7987 check_block_change, free_block_changes): Use VEC instead of
7989 * function.h (function): Change the type of
7990 ib_boundaries_block to VEC(tree,gc) *.
7991 * tree-inline.c (copy_cfg_body): Initialize
7992 ib_boundaries_block to NULL instead of (varray_type) 0.
7994 2006-04-12 Roger Sayle <roger@eyesopen.com>
7996 * expr.c (emit_group_store): Correct operand order in call to
7997 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7998 a SUBREG_BYTE of zero.
8000 2006-04-12 Richard Guenther <rguenther@suse.de>
8002 * profile.c (compute_branch_probabilities): Remove code
8003 encapsulated in !ir_type (), which are remanents of the
8004 removed RTL profiling code.
8005 * rtl-profile.c: Remove.
8007 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8009 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8010 magic NULL_RTX comment.
8011 (function_arg): Store entire fp arg to mem if any part should go
8013 (rs6000_arg_partial_bytes): Adjust for above change.
8015 2006-04-11 Roger Sayle <roger@eyesopen.com>
8017 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8018 if it hasn't been initialized by dwarf2out_init.
8020 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8022 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8023 symbolic constants in branch patterns.
8025 2006-04-11 Roger Sayle <roger@eyesopen.com>
8027 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8029 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8031 PR rtl-optimization/27073
8032 * gcse.c (try_replace_reg): Revert last change. Continue to search
8033 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8036 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8038 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8039 aggregate types other than record and union types.
8040 (function_arg): Likewise.
8041 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8043 (function_value): In 64-bit mode, return objects that require it
8046 2006-04-11 Roger Sayle <roger@eyesopen.com>
8048 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8050 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8052 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8054 2006-04-03 Jeff Law <law@redhat.com>
8057 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8058 alias information too.
8060 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8062 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8064 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8067 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8068 (premark_used_types_helper): New.
8069 (premark_used_types): New.
8070 (gen_subprogram_die): Call premark_used_types.
8071 (prune_unused_types_walk): Do not prune perennial dies.
8072 * function.c (used_types_insert): New.
8073 * function.h (struct function): Add used_types_hash field.
8074 (used_types_insert): Add prototype.
8075 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8076 * c-parser.c (c_parser_cast_expression): Save casted types in used
8079 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8082 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8083 rs6000_explicit_options.float_gprs.
8085 2006-04-10 Roger Sayle <roger@eyesopen.com>
8087 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8088 from ix86_expand_vector_init_low_nonzero. Take an additional
8089 one_var argument indicating which element is non-zero. Support
8090 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8091 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8092 with one_var instead of ix86_expand_vector_init_low_nonzero.
8094 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8096 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8097 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8098 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8099 build/genextract.o): Depend on vecprim.h.
8100 * cfglayout.c, df-problems.c, function.c, genextract.c,
8101 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8102 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8106 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8108 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8109 Declare VECs of this type.
8110 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8111 (remove_children): Delete.
8112 (add_dwarf_attr): Use VEC routines.
8113 (add_AT_flag): Update for changes to add_dwarf_attr.
8114 (add_AT_int): Likewise.
8115 (add_AT_unsigned): Likewise.
8116 (add_AT_long_long): Likewise.
8117 (add_AT_vec): Likewise.
8118 (add_AT_string): Likewise.
8119 (add_AT_die_ref): Likewise.
8120 (add_AT_fde_ref): Likewise.
8121 (add_AT_loc): Likewise.
8122 (add_AT_loc_list): Likewise.
8123 (add_AT_addr): Likewise.
8124 (add_AT_lbl_id): Likewise.
8125 (add_AT_lineptr): Likewise.
8126 (add_AT_macptr): Likewise.
8127 (add_AT_offset): Likewise.
8128 (add_AT_range_list): Likewise.
8129 (get_AT): Use VEC_iterate.
8130 (remove_AT): Use VEC_ordered_remove.
8131 (free_die): Fold remove_children into here; have it use VEC_iterate.
8132 (print_die): Use VEC_iterate on attrs.
8133 (reverse_die_lists): Don't reverse attr lists.
8134 (die_checksum): Use VEC_iterate on attrs.
8135 (same_die_p): Likewise.
8136 (output_location_lists): Likewise.
8137 (build_abbrev_table): Likewise.
8138 (size_of_die): Likewise.
8139 (unmark_all_dies): Likewise.
8140 (output_abbrev_section): Likewise.
8141 (output_die): Likewise.
8142 (prune_unused_types_walk_attribs): Likewise.
8144 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8146 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8148 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8151 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8153 2006-04-09 Roger Sayle <roger@eyesopen.com>
8155 * expr.c (store_constructor): Don't bother clearing target if
8156 we're about to assign a vector to it using vec_init_optab.
8158 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8160 * tree-ssa-alias.c (lhs_may_store_to): New function.
8161 (recalculate_used_alone): Handle LHS of calls.
8163 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8167 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8168 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8169 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8170 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8171 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8172 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8173 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8174 stubs. Add ".align 8" directives before all ".dword" directives.
8175 (GTHREAD_USE_WEAK): Revise comment.
8176 (TARGET_ATTRIBUTE_WEAK): Define.
8177 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8178 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8179 * stublib.c: New file.
8184 * pa.md (cbranch patterns): Revise arguments used in calls to
8185 output_cbranch, output_bb and output_bvd. Add long branch length
8187 (fbranch patterns): Handle long branches.
8188 (jump): Revise length check. Revise arguments for output_lbranch call.
8189 Add long branch length attributes.
8190 (decrement_and_branch_until_zero): Add long branch length attributes.
8191 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8192 Likewise. Revise arguments for output_parallel_addb and
8193 output_parallel_movb calls.
8194 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8195 output_parallel_movb and output_parallel_addb): Update prototypes.
8196 * pa.c (output_cbranch): Revise arguments. Correct handling of
8197 nullification in long branches.
8198 (output_lbranch): Add new argument to control extraction of delay
8200 (output_bb): Handle long branches.
8201 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8202 output_parallel_addb): Likewise.
8204 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8206 PR rtl-optimization/27073
8207 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8210 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8212 * tree.h (tree_memory_tag): Add old_used_alone.
8213 (SMT_OLD_USED_ALONE): New macro.
8214 * tree-ssa-alias.c (recalculate_used_alone): Stop
8215 marking things for renaming unnecessarily.
8217 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8219 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8220 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8221 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8222 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8223 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8224 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8225 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8226 spelling convensions.
8227 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8228 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8229 typos. Follow spelling conventions.
8231 2006-04-07 DJ Delorie <dj@redhat.com>
8233 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8234 passed on the stack.
8235 (m32c_init_cumulative_args): When a function returns a structure,
8236 always pass the pointer to that return area on the stack.
8237 (m32c_function_arg_advance): Don't increment the parameter number
8238 if we're processing the returned structure pointer.
8239 (pushm_info): Reverse order of registers.
8241 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8243 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8244 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8245 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8246 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8248 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8249 chrec_fold_multiply): Same.
8250 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8251 force_expr_to_var_cost): Same.
8252 * tree-mudflap.c (mf_xform_derefs_1): Same.
8253 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8255 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8257 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8258 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8261 2006-04-07 Jan Hubicka <jh@suse.cz>
8263 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8265 2006-04-07 Richard Guenther <rguenther@suse.de>
8267 PR tree-optimization/26135
8268 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8269 loads for store copy-prop.
8270 (copy_prop_visit_stmt): Likewise.
8272 2006-04-05 Robert Millan <robertmh@gnu.org>
8274 * config/i386/linux.h: Add a comment to mark macros that are
8275 being overriden in config/k*bsd-gnu.h.
8276 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8278 * config/knetbsd-gnu.h: Ditto.
8280 2006-04-06 Jan Hubicka <jh@suse.cz>
8284 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8287 2006-04-06 Mike Stump <mrs@apple.com>
8289 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8290 for HAVE_nonlocal_goto to be consistent.
8291 (expand_builtin_nonlocal_goto): Likewise.
8292 (expand_builtin_strcmp): Use #ifdef instead of #if
8293 for HAVE_cmpstrnsi to be consistent.
8295 2006-04-05 DJ Delorie <dj@redhat.com>
8297 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8300 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8302 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8303 got-relative addressing for anything but SImode.
8305 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8306 even if the calling function doesn't modify them.
8308 2006-04-05 Richard Guenther <rguenther@suse.de>
8310 PR tree-optimization/26919
8311 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8312 to cgraph_estimate_size_after_inlining.
8314 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8316 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8318 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8320 PR tree-optimization/26996
8321 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8322 VECTOR_TYPE variables.
8324 2006-04-05 Richard Guenther <rguenther@suse.de>
8326 PR tree-optimization/26763
8327 * fold-const.c (fold_comparison): Move folding of
8328 PTR + CST CMP PTR + CST ...
8329 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8331 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8333 * doc/install.texi (Prerequisites): Refine some wording on
8334 bootstrapping and ksh.
8335 Move the version numbers of DejaGnu here from the testing section
8336 and fix casing of names.
8337 Fix markup and clarify wording for autogen requirements.
8338 Refer to GCJ instead of just java.
8339 Refer to SVN instead of CVS.
8340 Describe diffutils as useful instead of necessary.
8341 (Downloading the source): Refer to SVN instead of CVS.
8342 Adjust a link to our web site accordingly.
8343 (Configuration): Fix casing of Bison.
8344 (Building): Refer to SVN instead of CVS.
8345 Fix a sentence on the use of Bison and remove duplicate (and
8346 incorrect) version number of Bison requirement.
8347 Remove one redundant list of packages needed for building.
8348 (Specific): Avoid reference to CVS.
8350 2006-04-04 Eric Christopher <echristo@apple.com>
8352 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8353 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8354 (rs6000_handle_struct_attribute): New.
8355 (rs6000_ms_bitfield_layout_p): Ditto.
8357 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8359 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8360 NULL for dso parameter to atexit_common.
8362 2006-04-04 Eric Christopher <echristo@apple.com>
8364 * config/i386/i386.c (machopic_output_stub): Output \t
8365 between instructions and operands.
8367 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8369 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8370 satisfies_constraint_[IL] to explicit tests on value.
8372 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8374 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8375 set_nb_iterations_in_loop): Use build_int_cst instead of
8377 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8378 build_int_cst instead of convert.
8380 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8382 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8383 new value 2 for incoming.
8384 * function.c (expand_function_start): Call struct_value_rtx
8386 * config/sparc/sparc.md: Comment updated_return.
8387 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8388 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8389 struct return if sparc_std_struct_return and incoming is 2.
8390 (print_operand): Do not adjust return if
8391 sparc_std_struct_return.
8393 2006-04-04 Roger Sayle <roger@eyesopen.com>
8395 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8396 convert in the middle-end.
8397 * expr.c (store_expr, store_constructor, get_inner_reference,
8398 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8400 * tree.c (build_range_type): Likewise.
8402 2006-04-04 Tom Tromey <tromey@redhat.com>
8404 * doc/install.texi (Prerequisites): Mention jar.
8406 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8408 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8411 2006-04-04 Matthias Klose <doko@debian.org>
8413 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8417 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8420 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8422 * doc/extend.texi (Function Attributes): Rewrite visibility
8423 attribute documentation.
8424 * doc/invoke.texi (C++ Dialect Options): Rewrite
8425 -fvisibility-inlines-hidden documentation to describe something
8426 entirely different, although in practise compatible.
8427 (Code Gen Options): Warn about system headers in -fvisibility=
8430 * doc/extend.texi (Other Builtins): Document that
8431 __builtin_nan is a compile-time constant only when its argument
8434 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8436 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8437 trying to remove TRUNCATE check if all bits outside the new mode
8438 are identical to the sign bit.
8440 2006-04-03 Jeff Law <law@redhat.com>
8442 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8443 and operand scanning in some common cases.
8445 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8446 Dale Johannesen <dalej@apple.com>
8449 * regclass.c (struct reg_pref): Update documentation.
8450 (regclass): Set prefclass to NO_REGS if memory is the best option.
8451 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8452 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8453 into account. For non-registers, equate an empty preferred
8454 reload class to a `!' in the constraint; move the if clause to
8455 do so after those that reject the insn.
8456 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8458 (find_dummy_reload): Likewise.
8459 * doc/tm.texi (Register Classes): Document what it means
8460 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8461 * config/i386/i386.c (ix86_preferred_reload_class): Force
8462 using SSE registers (and return NO_REGS for floating-point
8463 constants) if math is done with SSE.
8464 (ix86_preferred_output_reload_class): New.
8465 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8466 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8467 * config/i386/i386.md: Remove # register preferences.
8469 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8472 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8473 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8474 the type of nb_iter.
8475 (instantiate_parameters_1): Convert the operands before calling
8476 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8477 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8479 2006-04-02 Roger Sayle <roger@eyesopen.com>
8481 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8482 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8484 * dojump.c (do_jump): Likewise.
8485 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8486 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8487 gimplify_boolean_expr): Likewise.
8488 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8489 * varasm.c (array_size_for_constructor): Likewise.
8490 * tree-object-size.c (compute_object_offset): Likewise.
8492 2006-04-02 Roger Sayle <roger@eyesopen.com>
8495 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8496 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8498 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8500 PR tree-optimization/26939
8501 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8503 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8505 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8506 at_stmt. Convert the type of operands before calling
8507 build_polynomial_chrec.
8508 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8510 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8511 (instantiate_parameters_1): Convert the type of operands before calling
8512 build_polynomial_chrec.
8513 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8514 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8515 reset_evolution_in_loop): Insert asserts to check the types of the
8517 (chrec_type): Moved...
8518 (eq_evolutions_p): Use operand_equal_p.
8519 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8520 the types of the operands.
8521 (chrec_type): ...here.
8522 * tree-data-ref.c (create_data_ref): Convert the operands before
8523 calling chrec_replace_initial_condition.
8524 (same_access_functions, analyze_subscript_affine_affine,
8525 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8526 (compute_subscript_distance, analyze_ziv_subscript,
8527 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8528 analyze_miv_subscript): Convert the operands before calling
8529 chrec_fold_minus or chrec_fold_plus.
8531 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8533 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8534 the dependence_relations vector.
8535 (compute_data_dependences_for_loop): Adjust call to
8536 compute_all_dependences.
8538 2006-04-01 Roger Sayle <roger@eyesopen.com>
8539 Richard Henderson <rth@redhat.com>
8541 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8542 gimple_boolify on the condition before calling gimplify_expr.
8544 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8546 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8547 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8548 the frame size. Update to use the new macros.
8549 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8550 * config/xtensa/ieee754-df.S: Likewise.
8552 2006-03-31 Richard Henderson <rth@redhat.com>
8554 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8555 (make_edges): ... here. Control fallthru creation with a local
8556 variable. Do not play with fake edges.
8557 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8558 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8561 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8563 * dwarf2.h (DW64_CIE_ID): Define.
8564 * dwarf2out.c (DWARF_CIE_ID): Define.
8565 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8566 length header. Use DWARF_CIE_ID.
8567 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8568 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8570 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8572 * config/sh/linux-atomic.asm: New file.
8573 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8575 2006-03-31 DJ Delorie <dj@redhat.com>
8577 * config/m32c/cond.md: Set condition flags properly throughout.
8578 * config/m32c/minmax.md: Likewise.
8579 * config/m32c/prologue.md: Likewise.
8580 * config/m32c/bitops.md: Likewise.
8581 * config/m32c/muldiv.md: Likewise.
8582 * config/m32c/mov.md: Likewise.
8583 * config/m32c/addsub.md: Likewise.
8584 * config/m32c/m32c.md: Likewise.
8585 * config/m32c/jump.md: Likewise.
8586 * config/m32c/shift.md: Likewise.
8588 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8589 conditionally output the pattern for this.
8590 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8591 (m32c_compare_redundant): New.
8592 (m32c_output_compare): New.
8593 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8595 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8596 dest, not src. Allow other 4-byte modes.
8598 2006-03-30 Denis Chertykov <denisc@overta.ru>
8600 * doc/md.texi: Refer to avr/constraints.md instead of
8603 2006-03-30 Roger Sayle <roger@eyesopen.com>
8605 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8606 signed vs. unsigned comparison failures on some hosts.
8608 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8611 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8612 change to FLOAT_REGS.
8614 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8615 (rs6000_override_options): Use it.
8616 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8617 only for -mabi=spe/no-spe and -mabi=altivec.
8619 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8621 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8624 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8626 * Makefile.in: Rename docdir to gcc_docdir.
8628 2006-03-30 Roger Sayle <roger@eyesopen.com>
8631 * expr.c (emit_group_store): Optimize group stores into a pseudo
8632 register by using a paradoxical subreg to initialize the destination
8633 if the first or last member of the group specifies a "low part".
8635 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8638 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8639 * target.h (struct gcc_target.speculate_insn): Change type of the
8640 second parameter to 'int'.
8641 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8642 the second operand of the DEPS_LIST.
8643 (copy_DEPS_LIST_list): Update reference to the second operand of the
8645 * rtl.h (alloc_DEPS_LIST): Update signature.
8646 * sched-int.h (ds_t): Change typedef to 'int'.
8647 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8649 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8651 * haifa-sched.c (try_ready): Change condition to restore
8652 non-speculative pattern of the instruction.
8653 (process_insn_depend_be_in_spec): Code to keep probability of the
8654 speculative dependence non-decreasing.
8656 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8658 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8659 (single_move_for_movmem): ... this. Also change all uses.
8660 (bfin_expand_strmov): Renamed to...
8661 (bfin_expand_movmem): ... this. Also change all uses.
8662 * config/bfin/bfin.md (movstrsi): Renamed to...
8663 (movstrsi): ...this.
8665 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8667 PR tree-optimization/26830
8669 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8670 (copy_prop_visit_stmt): Remove write-only variable ann.
8671 (init_copy_prop): Check variable loop depth here. Do not simulate
8672 memory-tag and virtual operand PHIs except for store copy prop.
8674 2006-03-30 Richard Guenther <rguenther@suse.de>
8676 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8677 variants with double arguments.
8679 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8681 * genpreds.c (write_tm_constrs_h): Delete variable p.
8682 * genconditions.c (write_header): Add tm-constrs.h to included
8684 * genpeep.c (main): Add toplev.h to included headers.
8685 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8686 (build/genpeep.o): Add toplev.h dependency.
8687 * config/rs6000/constraints.md: Add "W" constraint.
8689 2006-03-29 Roger Sayle <roger@eyesopen.com>
8691 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8692 sizes by correctly testing whether the size fits a host integer.
8693 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8694 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8695 SImode range for the default sizetype and bitsizetype.
8697 2006-03-29 Roger Sayle <roger@eyesopen.com>
8699 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8700 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8701 quickly if the argument is already of the correct type.
8702 Call fold_build1 instead of build1. Tidy up blank lines.
8704 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8706 * genemit.c (main): Add tm-constrs.h to included headers.
8707 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8708 * genpeep.c (main): Add tm-constrs.h to included headers.
8709 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8710 (write_tm_constrs_h): this and write complete file.
8711 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8712 (write_insn_preds_c): Add tm-constrs.h to included headers.
8713 (gen_constrs): New variable.
8714 (parse_option): Parse "-c".
8715 (main): Invoke write_tm_constrs_h.
8716 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8717 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8718 (object_out_file): Add tm-constrs.h dependency.
8719 (insn-emit.o): Same.
8720 (insn-output.o): Same.
8721 (insn-peep.o): Same.
8722 (insn-preds.o): Same.
8723 (insn-recog.o): Same.
8724 (tm-constsr.h): New target.
8725 (s-constrs-h): New target.
8727 * config/rs6000/constraints.md: New file.
8728 * config/rs6000/rs6000.c: Include tm-constrs.h.
8729 (num_insn_constant_wide): Convert to satisfies_constraint.
8730 (rs6000_rtx_costs): Convert to satisfies_constraint.
8731 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8732 (CONST_OK_FOR_LETTER_P): Delete.
8733 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8734 (EXTRA_CONSTRAINT): Delete.
8735 (EXTRA_MEMORY_CONSTRAINT): Delete.
8736 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8737 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8738 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8739 satisfies_constraint.
8741 * config/i386/i386.c: Include tm-constrs.h.
8743 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8745 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8746 * tree-data-ref.c (find_data_references_in_loop,
8747 compute_data_dependences_for_loop): Use pointers to VEC.
8748 (analyze_all_data_dependences): Adjust calls.
8749 * tree-data-ref.h (find_data_references_in_loop,
8750 compute_data_dependences_for_loop): Adjust declarations.
8751 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8752 compute_data_dependences_for_loop.
8754 2006-03-29 Paul Brook <paul@codesourcery.com>
8756 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8759 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8761 PR tree-optimization/26859
8762 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8764 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8765 for the step after fold_convert.
8767 2006-03-29 Paul Brook <paul@codesourcery.com>
8769 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8770 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8772 2006-03-29 Paul Brook <paul@codesourcery.com>
8775 * targhooks.c (default_narrow_bitfield): New fuction.
8776 * targhooks.h (default_narrow_bitfield): add prototype.
8777 * target.h (gcc_target): Add narrow_volatile_bitfield.
8778 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8779 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8780 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8781 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8783 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8785 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8787 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8788 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8789 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8790 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8791 (s390_function_arg_float): Allow SDmode and DDmode values to be
8792 passed in floating point registers.
8793 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8794 check with SCALAR_FLOAT_MODE_P.
8795 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8797 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8799 PR tree-optimization/25985
8800 * tree-ssa-loop-niter.c (number_of_iterations_le,
8801 number_of_iterations_ne): Make comments more precise.
8802 (number_of_iterations_cond): Add only_exit argument. Use the
8803 fact that signed variables do not overflow only when only_exit
8805 (loop_only_exit_p): New.
8806 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8807 number_of_iterations_cond.
8809 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8811 PR tree-optimization/26643
8812 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8815 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8817 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8818 (divsi3_i4_int): Likewise.
8820 2006-03-28 Roger Sayle <roger@eyesopen.com>
8822 * expr.c (emit_group_store): Only create a new pseudo reg if the
8823 quantity it needs to hold isn't already a suitable pseudo.
8825 2006-03-28 Jeff Law <law@redhat.com>
8827 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8828 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8830 2006-03-28 Roger Sayle <roger@eyesopen.com>
8832 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8833 the equivalent ~X & Y, and the symmetry related transformations.
8834 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8835 ~X & Y, and symmetry related transforms.
8837 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8839 Revert my 2006-03-27 patches.
8841 2006-03-28 Roger Sayle <roger@eyesopen.com>
8843 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8844 ~(T1)X, when T1 and T2 are integer types of the same precision
8845 and (T2)X isn't an extension.
8847 2006-03-28 Jeff Law <law@redhat.com>
8849 PR tree-optimization/26796
8850 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8851 need EH edge cleanups rather than purging them immediately.
8852 (eliminate_degenerate_phis): Handle queued EH cleanups.
8854 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8856 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8859 2006-03-27 Roger Sayle <roger@eyesopen.com>
8862 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8863 cast BIT_NOT_EXPR operand to the correct type.
8865 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8867 * tree-loop-linear.c: Don't include varray.h.
8868 (gather_interchange_stats, try_interchange_loops,
8869 linear_transform_loops): Use VEC instead of VARRAY.
8870 * lambda-mat.c: Don't include varray.h.
8871 * tree-chrec.c: Same.
8872 * lambda-trans.c: Same.
8873 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8874 VEC instead of VARRAY.
8875 * tree-vectorizer.h: Idem.
8876 * tree-data-ref.c (dump_data_references,
8877 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8878 initialize_data_dependence_relation, finalize_ddr_dependent,
8879 compute_all_dependences, find_data_references_in_loop,
8880 compute_data_dependences_for_loop, analyze_all_data_dependences,
8881 free_dependence_relation, free_dependence_relations,
8882 free_data_refs): Idem.
8883 * tree-data-ref.h (data_reference_p, subscript_p): New.
8884 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8885 VEC instead of VARRAY.
8886 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8887 (find_data_references_in_loop, compute_data_dependences_for_loop,
8888 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8889 dump_data_dependence_relations, free_dependence_relations,
8890 free_data_refs): Adjust declaration.
8891 (lambda_transform_legal_p): Move declaration here...
8892 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8893 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8894 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8895 vect_analyze_data_refs): Use VEC instead of VARRAY.
8896 * lambda.h (lambda_transform_legal_p): ...from here.
8897 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8898 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8899 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8900 tree-chrec.o): Don't depend on VARRAY_H.
8902 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8904 * rtl.def (Copyright): Update date.
8905 (DEPS_LIST): Change type of the second operand to 'int'.
8906 * target.h (Copyright): Update date.
8907 (struct gcc_target.speculate_insn): Change type of the second parameter
8909 * lists.c (Copyright): Update date.
8910 (alloc_DEPS_LIST): Change signature. Update reference to the second
8911 operand of the DEPS_LIST.
8912 (copy_DEPS_LIST_list): Update reference to the second operand of the
8914 * rtl.h (Copyright): Update date.
8915 (alloc_DEPS_LIST): Update signature.
8916 * sched-int.h (Copyright): Update date.
8917 (ds_t): Change typedef to 'int'.
8918 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8920 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8922 * haifa-sched.c (Copyright): Update date.
8923 (try_ready): Change condition to restore non-speculative pattern
8925 (process_insn_depend_be_in_spec): Code to keep probability of the
8926 speculative dependence non-decreasing.
8928 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8930 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8931 shut up the compiler.
8933 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8935 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8936 to use lib prefix for target.
8937 ($(T)libic_invalidate_array_4-200.a): Likewise.
8938 ($(T)libic_invalidate_array_4a.a): Likewise.
8940 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8941 J"orn Rennecke <joern.rennecke@st.com>
8943 * superh.opt: New file.
8944 * sh.c (boardtype, osruntime): Remove.
8945 * superh.h (SUBTARGET_OPTIONS): Remove.
8946 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8948 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8949 arguments with ^ and/or [].
8951 * config.gcc (sh-*-*): Add quoting to account for quirk of
8953 Replace == with = in enable_incomplete_targets test.
8955 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8956 with MASK_LITTLE_ENDIAN.
8958 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8959 * config/sh/sh.opt: Added to some comments.
8960 * config/sh/superh.h: Removed some chaff.
8962 * config/sh/sh.opt: Add m4-[1234]00* options.
8963 * config/sh/sh.c (sh_handle_option): Likewise.
8964 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8965 (ic_invalidate_array_4-100.o): New rule.
8966 ($(T)libic_invalidate_array_4-100.a): Likewise.
8967 (ic_invalidate_array_4-200.o): Likewise.
8968 ($(T)libic_invalidate_array_4-200.a): Likewise.
8969 (ic_invalidate_array_4a.o): Likewise.
8970 ($(T)libic_invalidate_array_4a.a): Likewise.
8971 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8972 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8974 * config/sh/crt1.asm: Merged in profiling code.
8975 * config/sh/superh.h (STARTFILE_SPEC): Override.
8976 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8977 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8978 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8980 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8981 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8982 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8984 * sh.opt (mpretend-cmove): New option.
8985 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8986 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8987 (movsicc): Add TARGET_PRETEND_CMOVE code.
8989 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8991 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8992 s390_class_max_nregs): New function prototypes.
8993 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8994 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8995 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8996 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8998 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9000 * dwarf2out.c (add_location_or_const_value_attribute): Call
9001 tree_add_const_value_attribute if nothing else works.
9002 (reference_to_unused): New.
9003 (rtl_for_decl_init): Use reference_to_unused to decide whether
9004 to output an initializer.
9006 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9009 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9010 peephole removing spe frob_di_df_2.
9012 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9014 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9015 (subscript_dependence_tester_1): Declared.
9016 (print_dir_vectors, print_dist_vectors): New.
9017 (debug_data_dependence_relation): New.
9018 (dump_data_dependence_relation): Print more details.
9019 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9020 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9021 (save_dist_v, save_dir_v, add_outer_distances,
9022 build_classic_dist_vector_1): New.
9023 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9024 Don't test for lambda_vector_lexico_pos.
9025 (same_access_functions, add_multivariate_self_dist,
9026 add_other_self_distances, dir_from_dist): New.
9027 (build_classic_dir_vector): Replace implementation almost identical to
9028 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9030 (subscript_dependence_tester_1): New.
9031 (subscript_dependence_tester): Handle the lexicographically negative
9032 distance vectors by recomputing the dependence relation.
9033 (compute_affine_dependence): Remove parameter loop_nest_depth.
9034 (compute_self_dependence): Don't call compute_subscript_distance.
9035 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9036 Add a parameter for the loop_nest.
9037 (find_loop_nest_1, find_loop_nest): New.
9038 (compute_data_dependences_for_loop): Compute the loop nest, and give
9039 up if the nest is not well formed.
9040 * tree-data-ref.h (loop_p): New.
9041 (struct data_dependence_relation): Replace size_vect field with
9042 loop_nest, a vec of loops.
9043 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9044 (DDR_LOOP_NEST): New.
9045 (print_dir_vectors, print_dist_vectors,
9046 debug_data_dependence_relation): Declared.
9047 (index_in_loop_nest): New.
9048 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9049 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9052 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9054 * simplify-rtx.c (simplify_relational_operation): Call
9055 simplify_relational_operation_1 even if mode is VOIDmode.
9057 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9059 PR tree-optimization/26804
9060 * tree.h (DECL_CALL_CLOBBERED): New macro.
9061 (tree_decl_common): Add call_clobbered_flag.
9062 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9063 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9064 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9065 (mark_non_addressable): Ditto.
9066 * tree-ssa.c (verify_call_clobbered): New function.
9067 (verify_alias_info): Use it.
9068 * tree-pass.h (pass_reset_cc_flags): New prototype.
9069 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9070 (reset_cc_flags): New function.
9071 * passes.c (init_optimization_passes): Call reset_cc_flags after
9072 initializing referenced_vars.
9074 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9075 Roger Sayle <roger@eyesopen.com>
9078 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9079 to 1.0 for non-real operands. Implement A / A optimization for
9082 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9084 * config/i386/i386.c (size_cost): Correct the comment for
9085 cost of storing fp registers.
9086 (i386_cost): Likewise.
9087 (i486_cost): Likewise.
9088 (pentium_cost): Likewise.
9089 (pentiumpro_cost): Likewise.
9090 (k6_cost): Likewise.
9091 (athlon_cost): Likewise.
9092 (k8_cost): Likewise.
9093 (pentium4_cost): Likewise.
9094 (nocona_cost): Likewise.
9095 (generic64_cost): Likewise.
9096 (generic32_cost): Likewise.
9098 2006-03-24 Denis Chertykov <denisc@overta.ru>
9100 * config/avr/avr-protos.h (extra_constraint): Delete.
9101 (extra_constraint_Q): New declaration.
9102 * config/avr/constraints.md: New file.
9103 * config/avr/avr.md: Include it.
9104 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9105 (TMP_REGNO, ZERO_REGNO): Likewise.
9106 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9107 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9108 (extra_constraint): Delete.
9109 (extra_constraint_Q): Test for memory constraint 'Q'.
9110 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9111 (REG_CLASS_FROM_LETTER): Delete.
9112 (CONST_OK_FOR_LETTER_P): Delete.
9113 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9114 (EXTRA_CONSTRAINT): Delete.
9115 (TMP_REGNO): Delete.
9116 (ZERO_REGNO): Delete.
9118 2006-03-24 Jeff Law <law@redhat.com>
9120 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9121 directly. Call mark_new_vars_to_rename slightly earlier.
9123 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9125 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9127 (gen_compile_unit_die): Use new language types for Objective-C and
9129 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9130 DW_LANG_C_plus_plus.
9133 * config/t-darwin (crt3.o): Work around bug 26840.
9134 * config/darwin-crt3.c: Rewrite.
9135 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9137 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9139 * doc/invoke.texi: Document -femit-class-debug-always
9140 * common.opt: Add -femit-class-debug-always.
9142 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9144 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9145 index and base register.
9146 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9147 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9148 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9149 REGNO_OK_FOR_INDEX_P.
9150 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9152 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9153 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9154 REG_OK_FOR_BASE_P): Definitions removed.
9156 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9159 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9160 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9161 set yet or weren't marked as local yet.
9163 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9165 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9168 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9170 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9171 (rs6000_legitimate_small_data_p): Delete.
9172 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9173 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9174 and make static. Add forward declaration. Update uses.
9175 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9176 of offsettable_memref_p.
9177 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9178 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9180 2006-03-24 Jeff Law <law@redhat.com>
9182 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9183 around bug in immediate-use iterator.
9185 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9188 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9189 or __LITTLE_ENDIAN__.
9191 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9193 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9194 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9195 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9196 * config/sh/sh.opt (mdiv=): Amend description.
9197 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9198 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9199 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9200 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9201 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9202 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9203 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9204 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9205 TARGET_DIVIDE_CALL_FP.
9207 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9209 * haifa-sched.c (choose_ready): Fix type of the local variable.
9210 Move local variables. Add comment.
9211 (check_reg_live): Change signature. Make callable from debugger.
9212 * sched-int.h (check_reg_live): Update signature.
9213 * sched-ebb.c (check_reg_live): Update parameters.
9214 * sched-rgn.c (check_reg_live): Ditto.
9215 (region_head_or_leaf_p): Check pointer before dereferencing.
9216 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9217 before reload on optimization levels below 1.
9219 2006-03-23 Richard Henderson <rth@redhat.com>
9221 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9225 * config/alpha/predicates.md (local_symbolic_operand): Reject
9228 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9231 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9232 expressions which have overflowed constants.
9234 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9236 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9238 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9240 * cfgloopmanip.c (create_loop_notes): Removed.
9241 * final.c (final_scan_insn): Do not handle loop notes.
9242 * jump.c (squeeze_notes): Ditto.
9243 * cfglayout.c (skip_insns_after_block,
9244 duplicate_insn_chain): Ditto.
9245 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9247 * cfgloop.h (create_loop_notes): Declaration removed.
9249 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9251 * varasm.c (output_constant_pool): Restore fnname and fndecl
9253 (assemble_start_function): Adjust call accordingly.
9254 (assemble_end_function): Likewise.
9256 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9259 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9262 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9264 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9267 * system.h (ICE_EXIT_CODE): New macro.
9268 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9269 (diagnostic_action_after_output): Likewise.
9270 * gcc.c (fatal_ice): New function.
9271 (execute): Use it instead of fatal.
9272 (fancy_abort): Likewise.
9273 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9275 2006-03-22 Jeff Law <law@redhat.com>
9277 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9278 iv_analyze_result returning false.
9280 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9282 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9284 2006-03-22 Richard Henderson <rth@redhat.com>
9287 * except.c (duplicate_eh_regions_0): New.
9288 (duplicate_eh_region_1): Duplicate the children of the node as
9289 well as the node itself. Link them up properly.
9290 (duplicate_eh_region_2): Merge into ...
9291 (duplicate_eh_regions): ... here. Take copy_region argument, and
9292 copy only a sub-tree if asked. Simplify copying and fixup.
9293 (eh_region_outer_p): New.
9294 * except.h (duplicate_eh_regions): Update decl.
9295 (eh_region_outer_p): Declare.
9296 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9297 (lower_omp_master): Likewise.
9298 (lower_omp_ordered): Likewise.
9299 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9300 (move_stmt_r): Use it to remap labels. Handle recursion vs
9301 remap_decls_p properly.
9302 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9303 (find_outermost_region_in_block): New.
9304 (new_label_mapper): New.
9305 (move_sese_region_to_fn): Copy eh information to the new function
9307 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9309 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9312 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9314 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9315 into shared libraries.
9317 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9319 * doc/md.texi: Refer to i386/constraints.md instead of
9321 * config/i386/constraints.md: New file, extracted from...
9322 * config/i386/predicates.md: ...here.
9323 * config/i386/i386.md: Include constraints.md.
9325 2006-03-21 Jason Merrill <jason@redhat.com>
9327 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9330 * expr.c (init_block_move_fn): Force default visibility.
9331 (init_block_clear_fn): Likewise.
9332 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9333 * targhooks.c (default_external_stack_protect_fail): Likewise.
9335 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9337 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9338 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9339 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9340 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9341 (loadgp): Use mips_current_loadgp_style.
9342 (loadgp_noshared): New pattern.
9343 (sibcall_internal): Use MIPS_CALL.
9344 (sibcall_value_internal): Likewise.
9345 (sibcall_value_multiple_internal): Likewise.
9346 (call_internal): Likewise.
9347 (call_value_internal): Likewise.
9348 (call_value_multiple_internal): Likewise.
9349 (call_split): Use MIPS_CALL and add an 'S' constraint.
9350 (call_value_split): Likewise.
9351 (call_value_multiple_split): Likewise.
9352 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9353 (-mshared): New option.
9354 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9355 (mips_current_loadgp_style): Declare.
9356 * config/mips/mips.c (mips_classify_symbol): Avoid using
9357 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9358 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9359 TARGET_ABSOLUTE_ABICALLS.
9360 (override_options): Adjust comments. Improve the warning that is
9361 issued when -mabicalls and -G are used together.
9362 (mips_file_start): Remove comment.
9363 (mips_current_loadgp_style): New function.
9364 (mips_gnu_local_gp): New variable.
9365 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9367 (mips_output_function_prologue): Use mips_current_laodgp_style.
9368 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9369 the cprestore instruction.
9370 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9371 live for TARGET_ABSOLUTE_ABICALLS.
9372 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9373 (ASM_SPEC): Pass down -mshared and -mno-shared.
9374 (MIPS_CALL): New macro.
9375 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9377 * doc/invoke.texi (-mabicalls): Update documentation.
9378 (-mshared): Document.
9380 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9382 * config/ia64/unwind-hpux.c: New file.
9383 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9385 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9388 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9390 2006-03-21 Jeff Law <law@redhat.com>
9392 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9393 type conversions of a VR_VARYING source to a wider type.
9395 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9397 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9398 tm_file on Solaris 10 and later.
9399 (sparc64-*-solaris2*): Likewise.
9400 (sparc-*-solaris2*): Likewise.
9401 * config/sol26.h: Rename to config/sol2-6.h.
9402 * config/sol2-10.h: New file.
9404 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9407 * tree-ssa-pre.c (create_component_ref_by_pieces):
9410 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9413 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9414 return it immediately.
9416 2006-03-21 Michael Matz <matz@suse.de>
9418 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9420 (remove_arc, add_arc): Update num_out_arcs member.
9421 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9423 (cache_presence): New function.
9424 (compare_states_for_equiv): New function.
9425 (state_is_differed): Don't take number of outargs, adjust callers.
9426 Use new invariant for speeding up.
9427 (init_equiv_class): Create initial classes based on sorted
9429 (partition_equiv_class): Don't track out_arcs_num.
9430 (evaluate_equiv_classes): Call cache_presence on all states and
9433 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9435 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9436 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9437 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9438 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9440 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9441 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9442 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9443 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9444 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9446 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9447 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9448 (REGNO_REG_CLASS): ARGP is in PREGS.
9449 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9451 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9452 to deal with those addresses.
9453 * addresses.h: New file.
9454 * caller-save.c: Include "addresses.h".
9455 (init_caller_save): Use new base_reg_class function.
9456 * rtl-factoring.c: Include "addresses.h".
9457 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9458 * recog.c: Include "addresses.h".
9459 (preprocess_constraints): Use new base_reg_class function.
9460 * regrename.c: Include "addresses.h".
9461 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9462 functions. Keep track of a new var INDEX_CODE to compute valid
9464 (replace_oldest_value_addr): Likewise.
9465 (replace_oldest_value_mem): Use base_reg_class.
9466 * reload.c: Include "addresses.h".
9467 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9468 (find_reloads): Use new base_reg_class function.
9469 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9470 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9471 all callers and prototype changed.
9472 * reload1.c: Include "addresses.h".
9473 (maybe_fix_stack_asms): Use base_reg_class.
9474 * regclass.c: Include "addresses.h".
9475 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9476 (init_reg_autoinc): Use new base_reg_class function.
9477 (record_reg_classes): Likewise.
9478 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9479 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9480 Use new args to compute necessary class.
9482 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9483 regrename.o, rtl-factoring.o): Update dependencies.
9484 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9485 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9486 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9487 REG_OK_FOR_INDEX_P): Delete documentation.
9489 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9491 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9492 from V7 to V9 for Solaris 7 and above.
9494 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9496 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9497 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9498 argument pointers may not alias any other storage.
9499 * common.opt: Define option -fargument-noalias-anything.
9500 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9501 alias semantics is specified by flag_argument_noalias > 2.
9503 2006-03-20 Jeff Law <law@redhat.com>
9505 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9506 (pass_phi_only_cprop): Declare.
9507 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9509 * tree-ssa-dom.c (degenerate_phi_result): New function.
9510 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9511 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9512 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9513 (eliminate_degenerate_phis): Likewise.
9514 (pass_phi_only_cprop): New pass descriptor.
9515 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9516 support code. Callers updated.
9517 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9518 (store_copy_prop): Likewise.
9519 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9521 2006-03-20 Jason Merrill <jason@redhat.com>
9524 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9525 (push_visibility, pop_visibility): Likewise.
9526 * c-pragma.h: Declare them.
9528 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9530 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9532 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9533 parameter and use get_ebb_head_tail.
9534 (sh_md_init_global): Adjust uses of find_regmode_weight.
9536 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9538 * function.h (struct function) <x_tail_recursion_reentry>:
9539 Rename to x_stack_check_probe_note.
9540 (tail_recursion_reentry): Rename to stack_check_probe_note.
9541 * function.c: Replace tail_recursion_reentry with
9542 stack_check_probe_note everywhere.
9543 (expand_function_start): Only emit a note for
9544 stack_check_probe_note with -fstack-protect.
9545 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9547 * emit-rtl.c (remove_unnecessary_notes): Remove.
9548 (pass_remove_unnecessary_notes): Remove.
9549 * rtl.h (remove_unnecessary_notes): Remove prototype.
9550 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9551 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9552 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9554 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9557 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9558 (valid_in_set): Handle ARRAY_REF.
9559 Change "if min_variant or VH" to asserts.
9560 (create_component_ref_by_pieces): Handle ARRAY_REF.
9561 (create_expression_by_pieces): Likewise.
9562 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9564 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9566 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9567 is operand of switch, not str[0].
9569 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9571 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9572 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9574 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9576 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9577 end of insn_extra_address_constraint declaration.
9579 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9581 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9582 (no-sum-in-toc): Same.
9583 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9585 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9586 NO_FP_IN_TOC for -fPIC instead of mask.
9588 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9589 (BOOT_LDFLAGS): Delete.
9591 * config/rs6000/t-aix52: Same.
9593 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9594 (stmsi[345678]_power): New.
9596 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9598 * config/ia64/ia64.opt: Add empty line to end of file.
9600 2006-03-17 Richard Guenther <rguenther@suse.de>
9603 * builtins.c (get_pointer_alignment): For component style references
9604 adjust alignment to the component type alignment. Make sure
9605 to adjust alignment for component access of constants.
9607 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9609 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9612 2006-03-17 Paul Brook <paul@codesourcery.com>
9614 * doc/install.texi: Docuemnt --with-mode.
9615 * config.gcc: Add --with-mode for arm*-*-*.
9616 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9618 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9620 * sh.c (max_labelno_before_reorg): New variable.
9621 (sh_reorg): Initialize it.
9622 (find_barrier): Check max_labelno_before_reorg before using
9623 label_to_alignment. Take length of explicit alignment insns
9624 into account. When seeing a UNSPECV_CONST_END, return it.
9626 * sh.c (fixup_mova): Set mode of affected label to QImode.
9627 (untangle_mova): New function.
9628 (find_barrier): Use it. Check mode of label before decrementing
9630 (sh_reorg): Likewise.
9631 Set mode of all insns back to VOIDmode.
9633 * sh.c (MOVA_LABELREF): New macro.
9634 (mova_p, fixup_mova, sh_reorg): Use it.
9635 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9636 ADDR_DIFF_VEC matches mova.
9638 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9640 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9641 with ATTRIBUTE_UNUSED.
9643 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9645 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9646 pointer, instead of assuming it is possible to derive the
9647 correct args size from a call insn.
9649 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9651 * rtl.h (CONST_INT_P): Define.
9652 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9653 instead of GET_CODE(x) == CONST_INT.
9654 (vax_rtx_costs): Likewise.
9655 (vax_output_int_move): Likewise.
9656 (vax_output_int_add): Likewise.
9657 (legitimate_constant_address_p): Likewise.
9658 (index_term_p): Likewise.
9659 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9660 * config/vax/vax.md (and<mode>3): Likewise.
9661 (ashrsi3): Likewise.
9663 (movstricthi): Likewise.
9664 (movstrictqi): Likewise.
9665 (rotrsi3): Likewise.
9666 (five unnamed insns): Likewise.
9668 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9670 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9671 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9672 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9673 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9674 Pass to ASM_OUTPUT_DWARF_OFFSET.
9675 * dwarf2out.c (debug_frame_section): New.
9676 (output_call_frame_info): Use debug_frame_section. Pass it to
9677 dw2_asm_output_offset.
9678 (output_die): Pass appropriate section to dw2_asm_output_offset.
9679 (output_compilation_unit_header): Likewise.
9680 (output_pubnames): Likewise.
9681 (output_aranges): Likewise.
9682 (enum dw_val_class): Break dw_val_class_lbl_offset into
9683 dw_val_class_lineptr and dw_val_class_macptr.
9684 (add_AT_lbl_offset): Delete.
9685 (add_AT_lineptr): New.
9686 (add_AT_macptr): New.
9687 (AT_lbl): Expect a lineptr or macptr.
9688 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9689 (attr_checksum): Likewise.
9690 (same_dw_val_p): Likewise.
9691 (size_of_die): Likewise.
9692 (value_format): Likewise.
9693 (output_die): Likewise.
9694 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9696 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9697 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9698 * config/darwin-protos.h (darwin_file_start): New.
9699 (darwin_asm_output_dwarf_offset): New.
9700 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9701 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9703 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9704 if not EH section; simplify.
9705 (darwin_file_start): New.
9706 (darwin_asm_output_dwarf_offset): New.
9707 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9709 (DEBUG_INFO_SECTION): Likewise.
9710 (DEBUG_ABBREV_SECTION): Likewise.
9711 (DEBUG_ARANGES_SECTION): Likewise.
9712 (DEBUG_MACINFO_SECTION): Likewise.
9713 (DEBUG_LINE_SECTION): Likewise.
9714 (DEBUG_LOC_SECTION): Likewise.
9715 (DEBUG_PUBNAMES_SECTION): Likewise.
9716 (DEBUG_STR_SECTION): Likewise.
9717 (DEBUG_RANGES_SECTION): Likewise.
9718 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9719 (ASM_OUTPUT_DWARF_OFFSET): New.
9721 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9723 * config.gcc (tm_defines): Always add to previous value rather
9726 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9728 * config/mips/predicates.md (splittable_const_int_operand): New,
9729 split from move_operand.
9730 (splittable_symbolic_operand): New.
9731 (move_operand): Add commentary. Use splittable_const_int_operand.
9732 Inline mips_atomic_symbolic_constant_p.
9733 * config/mips/mips.md: Add combine splitters for handling moves
9734 of splittable_const_int_operands and splittable_symbolic_operands.
9735 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9736 (mips_split_symbol): Declare.
9737 (mips_move_integer): Declare.
9738 * config/mips/mips.c (mips_split_p): Make global.
9739 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9740 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9741 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9742 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9743 (mips_offset_within_object_p): Handle block symbols.
9744 (mips_atomic_symbolic_constant_p): Delete.
9745 (mips_cannot_force_const_mem): Return false for constants that
9746 mips_legitimize_move can handle.
9747 (mips_use_blocks_for_constant_p): New function.
9748 (mips_split_symbol): Make global.
9749 (mips_move_integer): Likewise. Add a temporary register argument.
9750 (mips_legitimize_const_move): Use splittable_const_int_operand and
9751 splittable_symbolic_operand.
9752 (mips_use_anchors_for_symbol_p): New function.
9753 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9754 (mips_split_p): Declare.
9756 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9758 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9759 (mips*-*-linux*): Likewise.
9761 2006-03-16 Roger Sayle <roger@eyesopen.com>
9762 Daniel Speyer <dspeyer@wam.umd.edu>
9765 * tree-dump.c (dump_real): New function.
9766 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9767 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9768 (tree-dump.o): Add $(REAL_H) to the dependencies.
9770 2006-03-16 Roger Sayle <roger@eyesopen.com>
9773 * real.c (real_from_string): If the mantissa is zero, don't bother
9774 parsing the exponent as the result should always be zero.
9776 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9778 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9780 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9782 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9783 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9784 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9785 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9786 ia64_sched_finish_global): New static functions to implement
9787 hooks from gcc_target.sched.
9788 (spec_check_no, max_uid, pending_data_specs): New static variables.
9789 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9790 ia64_spec_check_src_p): New static functions.
9791 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9792 (TARGET_SCHED_ADJUST_COST): Removed.
9793 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9794 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9795 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9796 TARGET_SCHED_GEN_CHECK,
9797 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9798 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9799 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9800 Fixed to handle speculation checks.
9801 (rtx_needs_barrier): Fixed to handle speculative loads and
9803 (ia64_variable_issue): Added code to count speculative loads and their
9805 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9807 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9809 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9811 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9812 (ia64_reorg): Reset stops_p to NULL after it is freed.
9813 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9814 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9815 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9817 (data_speculative, control_speculative, check_load): New attributes.
9818 (mov<mode>_advanced, mov<mode>_speculative,
9819 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9820 zero_extend<mode>di2_speculative,
9821 zero_extend<mode>di2_speculative_advanced): New patterns for
9822 data and control speculative loads.
9823 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9825 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9826 New pattern for data and control speculation checks.
9827 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9828 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9829 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9830 Auxiliary definitions for the patterns.
9831 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9832 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9834 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9836 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9837 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9838 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9839 New resource constraints.
9840 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9842 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9843 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9844 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9845 msched-in-control-spec, msched-ldc, msched-control-ldc,
9846 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9847 msched-prefer-non-control-spec-insns,
9848 msched-count-spec-in-critical-path): New flags to tune speculative
9850 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9851 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9852 msched-in-control-spec, msched-ldc, msched-control-ldc,
9853 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9854 msched-prefer-non-control-spec-insns,
9855 msched-count-spec-in-critical-path): Document new flags.
9857 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9859 * target.h (struct spec_info_def): New opaque declaration.
9860 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9861 speculate_insn, needs_block_p, gen_check,
9862 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9863 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9864 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9865 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9866 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9867 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9869 (TARGET_SCHED): Use new macros.
9870 * rtl.h (copy_DEPS_LIST_list): New prototype.
9871 * sched-int.h (struct sched_info): Change signature of new_ready field,
9872 adjust all initializations. New fields: add_remove_insn,
9873 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9874 region_head_or_leaf_p.
9875 (struct spec_info_def): New structure declaration.
9876 (spec_info_t): New typedef.
9877 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9878 recovery_block, orig_pat.
9879 (glat_start, glat_end): New variables declaraions.
9880 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9882 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9883 DETACH_LIFE_INFO, USE_GLAT.
9884 (enum SPEC_SCHED_FLAGS): New enumeration.
9885 (NOTE_NOTE_BB_P): New macro.
9886 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9887 attach_life_info, debug_spec_status, check_reg_live): New functions.
9888 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9889 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9891 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9892 * ddg.c (get_block_head_tail): Adjust all uses.
9893 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9894 (sms_sched_info): Initialize new fields.
9895 (contributes_to_priority): Removed.
9896 * haifa-sched.c (params.h): New include.
9897 (get_block_head_tail): Adjust all uses.
9898 (ISSUE_POINTS): New macro.
9899 (glat_start, glat_end): New global variables.
9900 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9901 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9902 old_last_basic_block, before_recovery, current_sched_info_var,
9903 rgn_n_insns, luid): New static variables.
9904 (insn_cost1): New function. Move logic from insn_cost to here.
9905 (find_insn_reg_weight1): New function. Move logic from
9906 find_insn_reg_weight to here.
9907 (reemit_notes, move_insn, max_issue): Change signature.
9908 (move_insn1): Removed.
9909 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9910 extend_bb): New static functions to support extension of scheduler's
9912 (generate_recovery_code, process_insn_depend_be_in_spec,
9913 begin_speculative_block, add_to_speculative_block,
9914 init_before_recovery, create_recovery_block, create_check_block_twin,
9915 fix_recovery_deps): New static functions to support
9916 generation of recovery code.
9917 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9918 restore_bb_notes, move_block_after_check, move_succs): New static
9919 functions to support ebb scheduling.
9920 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9921 functions to support handling of register live information.
9922 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9923 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9924 add_jump_dependencies): New static functions.
9925 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9926 consistancy checking.
9927 (debug_spec_status): New function to call from debugger.
9928 (priority): Added code to handle speculation checks.
9929 (rank_for_schedule): Added code to distinguish speculative instructions.
9930 (schedule_insn): Added code to handle speculation checks.
9931 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9932 Fixed to handle ebbs.
9933 (move_insn): Added code to handle ebb scheduling.
9934 (max_issue): Added code to use ISSUE_POINTS of instructions.
9935 (choose_ready): Added code to choose between speculative and
9936 non-speculative instructions.
9937 (schedule_block): Added code to handle ebb scheduling and scheduling of
9938 speculative instructions.
9939 (sched_init): Initialize new variables.
9940 (sched_finish): Free new variables. Print statistics.
9941 (try_ready): Added code to handle speculative instructions.
9942 * lists.c (copy_DEPS_LIST_list): New function.
9943 * sched-deps.c (extend_dependency_caches): New function. Move logic
9944 from create_dependency_caches to here.
9945 (get_dep_weak, ds_merge): Make global.
9946 * genattr.c (main): Code to output prototype for
9947 dfa_clear_single_insn_cache.
9948 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9949 (output_dfa_clean_insn_cache_func): Code to output
9950 dfa_clear_single_insn_cache function.
9951 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9953 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9955 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9956 New static variables.
9957 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9958 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9960 (ebb_sched_info): Initialize new fields.
9961 (get_block_head_tail): Adjust all uses.
9962 (compute_jump_reg_dependencies): Fixed to use glat_start.
9963 (schedule_ebb): Code to remove unreachable last block.
9964 (schedule_ebbs): Added code to update register live information.
9965 * sched-rgn.c (region_sched_info): Initialize new fields.
9966 (get_block_head_tail): Adjust all uses.
9967 (last_was_jump): Removed. Adjust users.
9968 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9969 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9970 Implement new hooks.
9971 (check_dead_notes1): New static function.
9972 (struct region): New fields: dont_calc_deps, has_real_ebb.
9973 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9974 (BB_TO_BLOCK): Fixed to handle EBBs.
9975 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9976 (ebb_head): New static variable.
9977 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9978 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9980 (compute_dom_prob_ps): New assertion.
9981 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9982 global_live_at_start.
9983 (init_ready_list): New assertions.
9984 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9985 (new_ready): Add support for BEGIN_CONTROL speculation.
9986 (schedule_insns): Fixed code that updates register live information
9988 (schedule_region): Fixed to handle EBBs.
9989 (init_regions): Use extend_regions and check_dead_notes1.
9990 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9991 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9992 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9993 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9994 TARGET_SCHED_GEN_CHECK,
9995 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9996 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9997 * doc/invoke.texi (max-sched-insn-conflict-delay,
9998 sched-spec-prob-cutoff): Document.
10000 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10002 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10003 inter_tick, queue_index.
10004 (struct sched_info): Change signature of init_ready_list field.
10005 Adjust all initializations.
10006 (RESOLVED_DEPS): New access macro.
10007 (ready_add): Remove prototype.
10008 (try_ready): Add prototype.
10009 * sched-rgn.c (init_ready_list): Use try_ready.
10010 (schedule_region): Initialize
10011 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10012 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10013 (init_ready_list): Use try_ready.
10014 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10015 * lists.c (remove_list_elem): Remove `static'.
10016 (remove_free_INSN_LIST_elem): New function.
10017 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10018 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10019 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10021 (readyp): New variable.
10022 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10023 change_queue_index, resolve_dep): New static functions.
10024 (try_ready): New function. Adjust callers in sched-rgn.c and
10025 sched-ebb.c to use it instead of ready_add.
10026 (clock_var): Move at the begining of file.
10027 (rank_for_schedule): Fix typo.
10028 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10029 (ready_lastpos): Enforce assertion.
10030 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10031 update all callers.
10032 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10033 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10034 (queue_to_ready): Use free_INSN_LIST_list.
10035 (early_queue_to_ready): Fix typo.
10036 (schedule_block): Init readyp. Move init_ready_list call after the
10037 initialization of clock_var. Fix error in rejecting insn by
10038 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10039 that previously corrected INSN_TICKs. Add code for handling
10041 (set_priorities): Fix typo.
10042 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10043 Clarify comment and code that keeps current_sched_info->next_tail
10046 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10048 * sched-rgn.c (extend_rgns): New static function.
10049 (find_rgns): Use it.
10050 (gather_region_statistics, print_region_statistics): New static
10052 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10053 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10055 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10056 Andrey Belevantsev <abel@ispras.ru>
10058 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10059 * lists.c (unused_deps_list): New variable.
10060 (free_list): Add assertions to verify the proper distinguishing
10061 between INSN_LISTs and DEPS_LISTs.
10062 (find_list_elem, remove_list_elem, remove_list_node): New static
10064 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10065 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10066 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10067 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10069 (free_INSN_LIST_node): Likewise.
10070 * modulo-sched.c (current_sched_info): Initialize flags field.
10071 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10072 * rtl.def (DEPS_LIST): Define.
10073 * rtl.h: Declare new functions from lists.c.
10074 * sched-deps.c (spec_dependency_cache): New static variable.
10075 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10076 (add_dependence): Change return type to void. Move the logic to ...
10077 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10078 (delete_all_dependences): Add comment about forward_dependency_cache.
10079 Handle spec_dependency_cache. Handle DEPS_LISTs.
10080 (fixup_sched_groups): Clarify the change of priority of output
10081 and anti dependencies.
10082 (sched_analyze_2): Adjust add_dependence calls to create data
10083 speculative dependence.
10084 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10085 Adjust all callers. Handle DEPS_LISTS.
10086 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10087 presence of speculation.
10088 (init_dependency_caches, free_dependency_caches):
10089 Handle spec_dependency_cache.
10090 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10091 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10092 New static functions.
10093 (add_or_update_back_dep, add_or_update_back_forw_dep,
10094 add_back_forw_dep, delete_back_forw_dep): New functions.
10095 * sched-int.h (ds_t, dw_t): New typedefs.
10096 (struct sched_info): Add new field flags.
10097 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10098 Prototype new sched-deps.c functions.
10099 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10100 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10101 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10102 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10103 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10104 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10106 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10108 * sched-rgn.c (current_sched_info): Initialize flags field.
10109 (schedule_insns): Initialize current_sched_info before the sched_init
10111 * sched-ebb.c (current_sched_info): Initialize flags field.
10112 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10113 Call add_or_update_back_dep instead of add_dependence.
10114 Create control speculative dependencies.
10115 (schedule_insns): Initialize current_sched_info before the sched_init
10118 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10120 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10122 (sh_fallback_frame_state): Likewise.
10124 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10126 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10127 Do switch on default_use_cxa_atexit.
10128 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10129 * config/darwin-crt3.o: New.
10130 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10131 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10132 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10134 * config/rs6000/t-darwin: Move crt2.o building to here.
10135 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10136 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10139 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10141 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10142 from '! xxx' to '!xxx' for coding-style conformance.
10143 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10144 (EXTRA_CONSTRAINT): Likewise.
10145 * config/vax/vax.md (four unnamed insns): Likewise.
10147 2006-03-15 Paul Brook <paul@codesourcery.com>
10149 * config/arm/arm.c (minipool_pad): New.
10150 (add_minipool_forward_ref): Include pool alignment padding in address
10152 (push_minipool_fix): Set minipool_pad.
10153 (minipool_pad): Ditto.
10155 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10157 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10158 instead of GET_CODE() == MEM and REG_P() instead of
10160 (print_operand_address): Likewise.
10161 (vax_address_cost): Likewise.
10162 (vax_rtx_costs): Likewise.
10163 (vax_notice_update_cc): Likewise.
10164 (vax_output_int_add): Likewise.
10165 (INDEX_REGISTER_P): Likewise.
10166 (BASE_REGISTER_P): Likewise.
10167 (nonindexed_address_p): Likewise.
10168 (vax_mode_dependent_address_p): Likewise.
10169 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10170 (PRINT_OPERAND): Likewise.
10171 * config/vax/vax.md (ashlsi3): Likewise.
10172 (ashlsi3): Likewise.
10173 (some more unnamed insns): Likewise.
10175 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10177 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10178 iterator-style macro.
10179 (mark_control_dependent_edges_necessary): Update the use of
10180 EXECUTE_IF_CONTROL_DEPENDENT.
10182 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10184 * config/sh/predicates.md (cache_address_operand): Special.
10185 (ua_address_operand): Likewise.
10187 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10189 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10191 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10193 2006-03-15 Andreas Schwab <schwab@suse.de>
10195 * gensupport.c (identify_predicable_attribute): Don't free p_false
10196 when it is still in use.
10198 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10200 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10201 the default setting here.
10203 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10205 * tree-pass.h (pass_cfg): Remove.
10206 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10207 * passes.c (pass_cfg): Don't run it.
10209 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10211 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10212 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10214 (stack_regs_mentioned): Update the uses of
10215 stack_regs_mentioned_data. Don't access the array beyond its
10217 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10218 Don't include gt-reg-stack.h.
10220 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10221 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10223 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10225 PR middle-end/26684
10226 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10229 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10231 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10233 2006-03-14 Richard Guenther <rguenther@suse.de>
10235 PR tree-optimization/26672
10236 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10239 2006-03-14 Richard Guenther <rguenther@suse.de>
10241 PR tree-optimization/26667
10242 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10243 node for the callees. Always allow inlining if it will shrink
10246 2006-03-14 Richard Guenther <rguenther@suse.de>
10248 PR middle-end/26659
10249 * builtins.c (get_pointer_alignment): Prefer alignment
10250 information from decls over that from types.
10252 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10255 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10257 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10259 * config/rs6000/rs6000.opt (mdlmzb): New option.
10260 (msched-prolog, msched-epilog): Use Var not Mask.
10261 * doc/invoke.texi (-mdlmzb): Document.
10262 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10264 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10265 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10267 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10269 PR rtl-optimization/25739
10270 * bt-load.c (augment_live_range): Free tos pointer.
10272 * gensupport.c (identify_predicable_attribute): Free
10274 * gcov.c (create_file_names): Free name pointer.
10276 2006-03-13 Roger Sayle <roger@eyesopen.com>
10278 PR middle-end/26557
10279 * stmt.c (emit_case_nodes): Handle the case where the index is a
10280 CONST_INT, where the comparison mode is specified by the index type.
10282 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10284 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10287 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10289 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10290 (*branch_fp_inverted): Likewise.
10292 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10294 PR middle-end/25989
10295 * omp-low.c (expand_omp_for_generic): Mark istart0
10296 and iend0 as addressable.
10298 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10300 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10302 2006-03-13 Jeff Law <law@redhat.com>
10304 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10305 virtual operands are interesting.
10306 (vrp_visit_stmt): Corresponding changes.
10308 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10310 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10312 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10313 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10314 * config/bfin/crti.S: Use it instead of __PIC__.
10315 * config/bfin/crtn.S: Likewise.
10317 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10318 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10320 Lose 'G' modifier for call operand.
10321 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10322 recognize 'G' modifier.
10324 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10326 PR middle-end/18859
10327 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10328 * stmt.c (expand_case): Likewise.
10330 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10332 PR rtl-optimization/26254
10333 * loop-invariant.c (seq_insns_valid_p): New function.
10334 (move_invariant_reg): Only emit new code if it is valid.
10336 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10338 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10340 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10341 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10342 (commit_one_edge_insertion): Do not look for loop notes.
10344 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10346 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10347 flag_test_coverage out of loop.
10349 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10351 * final.c (shorten_branches): Remove outdated comment, and turn
10352 the if branch that guards it to continue.
10354 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10356 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10357 * cfgloop.h (struct loop): Remove unused fields.
10359 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10361 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10362 (-dL, -fdump-rtl-loop2): Update the dump file names
10364 * doc/invoke.texi: Update dump file names.
10366 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10368 * predict.c (estimate_probability): Remove.
10369 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10370 * basic-block.h (estimate_probability): Remove prototype.
10371 * passes.c (finish_optimization_passes): Dump branch prediction or
10372 profiling heuristics to the .profile tree dump.
10373 (init_optimization_passes): Unqueue pass_branch_prob.
10375 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10377 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10379 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10380 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10382 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10384 * function.h (frame_offset_overflow): Declare.
10385 * function.c (frame_offset_overflow): New function.
10386 (assign_stack_local_1): Call it to detect that the offset overflows.
10387 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10389 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10391 * config/sh/sh.c: Include alloc-pool.h.
10392 (label_ref_list_pool): New alloc pool.
10393 (label_ref_list_t): New type for lists of labels.
10394 (struct pool_node): Make wend a label_ref_list_t.
10395 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10397 (dump_table): Likewise.
10398 (sh_reorg): Set up the alloc pool before using add_constant and
10399 dump_table, and destroy it when finishing.
10401 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10403 * config/mips/mips.c: Remove redundant comment.
10405 2006-03-10 Jason Merrill <jason@redhat.com>
10408 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10409 the target was declared 'register'.
10411 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10413 * genpreds.c (write_insn_constraint_len): Change definition of
10414 insn_constraint_len to return size_t to match the declaration.
10416 2006-03-10 DJ Delorie <dj@redhat.com>
10418 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10420 (m32c_expand_insv): Fix test for an AND mask.
10422 2006-03-10 Richard Guenther <rguenther@suse.de>
10424 PR middle-end/26565
10425 * builtins.c (get_pointer_alignment): Handle component
10426 references for field alignment.
10428 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10430 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10431 when building with libgloss.
10432 (sh*elf): Implement --without-fp option.
10433 (sh64-superh-linux*): Don't multilib.
10435 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10437 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10439 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10441 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10442 Set it when one of the replacement functions returned true.
10443 Return TODO_cleanup_cfg if cfgchanged is true.
10444 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10446 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10448 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10449 instead of gen_lowpart.
10451 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10453 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10455 (mips_output_order_conditional_branch): Declare.
10456 * config/mips/mips.h (MIPS_BRANCH): New macro.
10457 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10458 for the comparison. Use gen_condjump.
10459 (mips_output_conditional_branch): Rework interface to take the
10460 asm templates for a direct branch and the inverse of a direct branch.
10461 (mips_output_order_conditional_branch): New function.
10462 (mips_builtin_branch_and_move): New function.
10463 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10464 branch condition. Use gen_single_cc as the condition for
10465 __builtin_mips_upper_* or __builtin_mips_lower_*.
10466 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10467 Use VOIDmode for the branch condition.
10468 * config/mips/predicates.md (order_operator): New predicate.
10469 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10470 (branch_fp): Rename to...
10471 (*branch_fp): ...this. Remove mode from comparison operator.
10472 Use new mips_output_conditional_branch interface.
10473 (branch_fp_inverted): Rename to...
10474 (*branch_fp_inverted): ...this and update as for *branch_fp.
10475 (*branch_zero<mode>): Rename to...
10476 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10477 Use mips_output_order_conditional_branch. Only accept ordered
10479 (*branch_zero<mode>_inverted): Rename to...
10480 (*branch_order<mode>_inverted): ...this and update as for
10481 *branch_order<mode>.
10482 (*branch_equality<mode>): Accept zero as the second operand to
10483 the equality operator. Use the new mips_output_conditional_branch
10485 (*branch_equality<mode>_inverted): Likewise.
10486 (condjump): New expander.
10487 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10489 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10490 (bc1any2t, bc1any2f): Likewise.
10491 (single_cc): New expander.
10492 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10494 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10496 * doc/md.texi: Update documentation of MIPS constraints.
10497 * config/mips/constraints.md: New file.
10498 * config/mips/mips.md: Include it.
10499 * config/mips/mips.c (mips_char_to_class): Delete.
10500 (override_options): Don't initialize mips_char_to_class.
10501 * config/mips/mips.h (mips_char_to_class): Delete.
10502 (REG_CLASS_FROM_LETTER): Delete.
10503 (CONST_OK_FOR_LETTER_P): Delete.
10504 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10505 (EXTRA_CONSTRAINT_Y): Delete.
10506 (EXTRA_CONSTRAINT_STR): Delete.
10507 (CONSTRAINT_LEN): Delete.
10508 (EXTRA_MEMORY_CONSTRAINT): Delete.
10510 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10512 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10513 original fn's eh regions.
10515 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10517 * fold-const.c (build_range_check): Make sure to use a valid type to
10518 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10521 (range_predecessor): New static function.
10522 (range_successor): Likewise.
10523 (merge_ranges): Use them to compute predecessors and successors of
10526 2006-03-09 Roger Sayle <roger@eyesopen.com>
10528 PR middle-end/26561
10529 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10530 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10532 2006-03-08 DJ Delorie <dj@redhat.com>
10534 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10535 (addpsi3): Expand to include memory operands. Remove
10536 reload-specific splits.
10537 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10538 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10539 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10540 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10541 (shift1_qi, shift1_hi, insv): New.
10542 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10543 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10544 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10546 * config/m32c/m32c-protos.h: Update as needed.
10547 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10548 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10549 Fail for unrecognized R* constraints.
10550 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10551 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10552 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10554 (m32c_init_libfuncs): New.
10555 (m32c_legitimate_address_p): Add debug wrapper.
10556 (m32c_rtx_costs): New.
10557 (m32c_address_cost): New.
10558 (conversions): Add 'B' prefix.
10559 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10560 operands, or word regnames for QI operands. 'B' prints bit
10562 (m32c_expand_setmemhi): New.
10563 (m32c_expand_movmemhi): New.
10564 (m32c_expand_movstr): New.
10565 (m32c_expand_cmpstr): New.
10566 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10567 (m32c_expand_neg_mulpsi3): Handle non-ints.
10568 (m32c_cmp_flg_0): New.
10569 (m32c_expand_movcc): New.
10570 (m32c_expand_insv): New.
10571 (m32c_scc_pattern): New.
10572 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10573 a0/a1 out of SIregs.
10574 (STORE_FLAG_VALUE): New.
10575 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10578 * config/m32c/mov.md: Make constraints more liberal.
10579 (zero_extendqihi2): Optimize r0/r1 case.
10580 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10581 * config/m32c/predicates.md (m32c_any_operand): New.
10582 (m32c_nonimmediate_operand): New.
10583 (m32c_hl_operand): New.
10584 (m32c_r3_operand): New.
10587 (memsym_operand): New.
10588 (memimmed_operand): New.
10589 (a_qi_operand): New.
10590 (m32c_eqne_operator): New.
10591 (m32c_1bit8_operand): New.
10592 (m32c_1bit16_operand): New.
10593 (m32c_1mask8_operand): New.
10594 (m32c_1mask16_operand): New.
10595 * config/m32c/blkmov.md: New file.
10596 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10598 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10600 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10601 unsigned to fix signed/unsigned comparison issue in
10602 DWARF2_FRAME_REG_OUT.
10603 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10604 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10606 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10607 of ptr into the ENABLE_CHECKING section.
10609 2006-03-08 Jeff Law <law@redhat.com>
10611 * tree-vrp.c (infer_value_range): Only count pointer uses
10612 and dereferences if -fdelete-null-pointer-checks is enabled.
10614 * tree-vrp.c (find_assert_locations): Infer value ranges for
10615 single use pointers, but do not create ASSERT_EXPRs for them.
10616 When a non-null range is inferred for a pointer, backwards
10617 propagate that range to other equivalent pointers through the
10620 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10623 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10624 language hook targets.
10625 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10626 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10627 if language hook targets were missing.
10629 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10631 * tree-ssa-opfinalize.h: Removed.
10632 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10634 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10635 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10636 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10637 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10638 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10639 finalize_ssa_v_must_def_ops): New.
10641 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10643 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10644 block as parameter.
10646 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10648 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10650 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10651 addresses with offsets; reorganize.
10653 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10654 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10655 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10657 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10660 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10662 2006-03-08 Ben Elliston <bje@au.ibm.com>
10664 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10666 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10669 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10672 2006-03-07 Richard Guenther <rguenther@suse.de>
10674 PR tree-optimization/26587
10675 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10677 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10679 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10681 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10683 * hooks.c (hook_bool_mode_rtx_true): New function.
10684 * hooks.h (hook_bool_mode_rtx_true): Declare.
10685 * toplev.c (compile_file): Call output_shared_constant_pool.
10686 * varasm.c (shared_constant_pool): New variable.
10687 (assemble_start_function, assemble_end_function): Remove arguments
10688 from call to output_constant_pool.
10689 (create_constant_pool): New function, split out from...
10690 (init_varasm_status): ...here.
10691 (force_const_mem): Choose between the shared and per-function constant
10692 pools. Set current_function_uses_const_pool when reusing old entries
10693 as well as when creating new ones.
10694 (mark_constant): Ignore data argument.
10695 (mark_constants): Remove pool argument.
10696 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10697 to decide whether the function uses a constant pool.
10698 (output_constant_pool_contents): New function, split out from...
10699 (output_constant_pool): ...here.
10700 (output_shared_constant_pool): New function.
10701 (init_varasm_once): Initialize shared_constant_pool.
10702 * output.h (output_constant_pool): Delete.
10703 (output_shared_constant_pool): Declare.
10704 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10705 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10707 2006-03-06 Nick Clifton <nickc@redhat.com>
10709 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10710 flag_strength_reduce.
10712 2006-03-06 Ben Elliston <bje@au.ibm.com>
10714 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10715 x86_64-*-linux* configurations.
10717 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10718 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10720 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10722 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10724 * basic-block.h: Remove the extern for
10725 rediscover_loops_after_threading.
10727 * cfgloop.c (cancel_loop): Make it static.
10728 * cfgloop.h: Remove the prototype for cancel_loop.
10730 * flow.c (recompute_reg_usage): Make it static.
10731 * rtl.h: Remove the prototype for recompute_reg_usage.
10733 * function.c (use_return_register): Make it static.
10734 * function.h: Remove the prototype.
10736 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10738 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10740 * recog.h: Remove the prototype for
10741 validate_change_maybe_volatile.
10743 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10745 * rtlanal.c (replace_reg): Remove.
10746 * rtl.h: Remove the prototype for replace_reg.
10748 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10750 * regclass.c (reg_scan_update): Remove.
10751 (reg_scan_mark_refs): Remove the last argument.
10752 * rtl.h: Remove the prototype for reg_scan_update.
10754 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10756 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10757 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10758 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10759 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10760 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10761 loop-invariant.c, omp-low.c, opts.c, passes.c,
10762 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10763 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10764 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10765 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10766 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10767 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10769 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10771 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10772 * dwarf2out.h: Remove the prototype for
10773 dwarf2out_add_library_unit_info.
10775 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10777 * tree.c (add_var_to_bind_expr): Remove.
10778 * tree.h: Remove the prototype for add_var_to_bind_expr.
10780 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10782 * regclass.c (n_non_fixed_regs): Remove.
10783 (init_reg_sets_1, globalize_reg): Remove all uses of
10785 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10787 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10789 * rtlanal.c (insns_safe_to_move_p): Remove.
10790 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10792 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10794 * expmed.c (expand_mult_add): Remove.
10795 * expr.h: Remove the prototype for expand_mult_add.
10797 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10799 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10800 and REG_SAVED_VAL_EXP constants.
10801 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10802 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10803 Handle regs stored by value.
10804 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10805 (execute_cfa_program): Handle DW_CFA_val_offset,
10806 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10807 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10808 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10809 (uw_install_context_1): Handle target regs stored by value.
10811 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10813 * tree-sra.c (tree_sra): Return todoflags;
10814 (generate_one_element): Set TODO_update_smt_usage if needed.
10815 (pass_sra): Remove TODO_update_smt_usage.
10816 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10818 (tree_ssa_forward_propagate_single_use_vars): Return
10819 TODO_update_smt_usage if we need to update SMT usage.
10820 (pass_forwprop): Remove TODO_update_smt_usage.
10822 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10824 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10825 (correct_use_link): Remove reference to get_stmt_operands.
10826 (update_stmt_operands): Likewise.
10827 (get_modify_expr_operands): New function factored out of
10828 parse_ssa_operands and get_expr_operands.
10829 Try to create V_MUST_DEFs for LHS by default.
10830 (get_expr_operands) <case MODIFY_EXPR>: Call
10831 get_modify_expr_operands.
10832 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10833 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10834 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10835 get_modify_expr_operands.
10837 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10839 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10840 * tree-flow.h: Remove the prototype for
10841 referenced_var_lookup_if_exists.
10843 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10845 PR rtl-optimization/26345
10847 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10849 2006-03-03 Roger Sayle <roger@eyesopen.com>
10851 PR tree-optimization/26524
10852 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10853 fold_convert to create a constant of the appropriate type.
10855 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10857 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10858 SYMBOL_REF_IN_BLOCK_P.
10859 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10860 of SYMBOL_FLAG_IN_BLOCK.
10861 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10862 instead of SYMBOL_REF_IN_BLOCK_P.
10863 * explow.c (use_anchored_address): Likewise.
10864 * rtl.c (rtx_size): Likewise.
10865 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10866 instead of SYMBOL_FLAG_IN_BLOCK.
10867 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10868 SYMBOL_REF_IN_BLOCK_P.
10869 (assemble_variable): Likewise.
10870 (output_constant_def_contents): Likewise.
10871 (output_constant_pool): Likewise.
10872 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10873 instead of SYMBOL_FLAG_IN_BLOCK.
10874 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10875 SYMBOL_REF_IN_BLOCK_P.
10876 (SYMBOL_REF_BLOCK): Likewise.
10877 (SYMBOL_REF_OFFSET): Likewise.
10878 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10879 SYMBOL_REF_IN_BLOCK_P.
10880 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10881 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10882 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10883 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10885 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10887 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10889 2006-03-02 Roger Sayle <roger@eyesopen.com>
10891 * simplify-rtx.c (simplify_unary_operation): When simplifying
10892 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10893 that we perform the right shift in the appropriate mode, and
10894 then extend or truncate the result to requested mode.
10896 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10898 * gengtype.c (main): Handle double_int type.
10899 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10900 * double-int.c: New file.
10901 * double-int.h: New file.
10902 * system.h: Include doubleint.h.
10903 * Makefile.in (SYSTEM_H): Include double-int.h.
10904 (double-int.o): Add.
10906 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10909 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10912 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10914 * tree-vrp.c (remove_range_assertions): Do not update statements
10917 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10919 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10921 * gcse.c (rest_of_handle_gcse): Ditto.
10922 * except.c (gate_handle_eh): Ditto.
10923 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10924 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10926 2006-03-02 Eric Christopher <echristo@apple.com>
10928 * config/i386/i386.c (machopic_output_stub): Add indirection to
10931 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10935 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10937 Sun Niagara specific optimizations.
10938 * config.gcc: Recognize niagara as target.
10939 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10940 (TARGET_CPU_niagara): Define.
10941 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10942 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10943 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10944 (ASM_CPU_SPEC): Likewise.
10945 (PROCESSOR_NIAGARA): New enum entry.
10946 (REGISTER_MOVE_COST): Handle Niagara.
10947 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10948 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10949 (sparc_override_options): Recognize "niagara", set appropriate
10950 default MASK_* values for it, and align functions to 32-bytes
10951 by default just like ULTRASPARC/ULTRASPARC3.
10952 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10953 (sparc64_initialize_trampoline): Likewise.
10954 (sparc_use_sched_lookahead): Use zero for niagara.
10955 (sparc_issue_rate): Use one for niagara.
10956 * config/sparc/niagara.md: New file.
10957 * config/sparc/sparc.md: Include it.
10958 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10959 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10960 when default cpu is niagara.
10961 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10962 (ASM_CPU_SPEC): Likewise.
10963 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10964 when default cpu is niagara.
10965 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10966 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10967 just like v9/ultrasparc/ultrasparc3.
10968 * doc/invoke.texi: Add documentation for "niagara" and improve
10969 existing documentation for ultrasparc variants.
10971 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10973 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10975 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10977 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10978 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10979 and say that only one is needed.
10980 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10981 * target.h (have_switchable_bss_sections): New hook.
10982 * explow.c (use_anchored_address): Check that the symbol is in a block.
10983 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10984 (bss_noswitch_section): New variables.
10985 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10986 (get_noswitch_section): New function.
10987 (get_block_for_section): Allow SECT to be null.
10988 (unlikely_text_section_p): Use SECTION_STYLE.
10989 (bss_initializer_p): New function.
10990 (get_variable_section): Move earlier in file. Take a new argument,
10991 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10992 Return one of the new *_sections in such cases.
10993 (get_block_for_decl): New function, extracting some logic from
10994 use_blocks_for_decl_p.
10995 (change_symbol_section): Remove in favor of...
10996 (change_symbol_block): ...this new function.
10997 (use_blocks_for_decl_p): Remove checks now performed by
10998 get_block_for_decl.
10999 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11000 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11001 (emit_local, emit_bss, emit_common): ...these new functions.
11002 Return true if the alignment was honored.
11003 (emit_tls_common): New function.
11004 (asm_emit_uninitialised): Delete.
11005 (assemble_variable_noswitch): New function, split out from...
11006 (assemble_variable): ...here. Don't make decisions about common
11007 variables here. Globalize all public decls that go into non-common
11008 sections. Check whether SYMBOL_REF_BLOCK is null.
11009 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11010 (output_constant_pool): Likewise.
11011 (init_varasm_once): Initialize the new section variables.
11012 (have_global_bss_p): New function.
11013 (categorize_decl_for_section): Use bss_initializer_p.
11014 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11015 (place_block_symbol): Assert that the symbol must be in a block.
11016 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11017 (TARGET_INITIALIZER): Include it.
11018 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11019 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11020 (SECTION_MACH_DEP): Bump by two.
11021 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11022 (unnamed_section): Mention SECTION_UNNAMED in comment.
11023 (named_section): Likewise SECTION_NAMED.
11024 (noswitch_section_callback): New type.
11025 (noswitch_section): New structure.
11026 (section): Add a noswitch_section alternative.
11027 (SECTION_STYLE): New macro.
11028 (tls_comm_section, comm_section, lcomm_section): Declare.
11029 (bss_noswitch_section, have_global_bss_p): Declare.
11030 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11031 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11033 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11034 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11037 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11039 * tree-vrp.c (execute_vrp): Return value.
11040 * regrename.c (rest_of_handle_regrename): Ditto.
11041 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11042 * tree-complex.c (tree_lower_complex): Ditto.
11043 (tree_lower_complex_O0): Ditto.
11044 * tracer.c (rest_of_handle_tracer): Ditto.
11045 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11046 * postreload.c (rest_of_handle_postreload): Ditto.
11047 * tree-tailcall.c (execute_tail_recursion): Ditto.
11048 (execute_tail_calls): Ditto.
11049 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11050 * tree.h (init_function_for_compilation): Ditto.
11051 * ipa-cp.c (ipcp_driver): Ditto.
11052 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11053 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11054 * final.c (compute_alignments): Ditto.
11055 (rest_of_handle_final): Ditto.
11056 (rest_of_handle_shorten_branches): Ditto.
11057 (rest_of_clean_state): Ditto.
11058 * omp-low.c (execute_expand_omp): Ditto.
11059 (execute_lower_omp): Ditto.
11060 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11061 * ipa-reference.c (static_execute): Ditto.
11062 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11063 * reorg.c (rest_of_handle_delay_slots): Ditto.
11064 (rest_of_handle_machine_reorg): Ditto.
11065 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11066 * flow.c (recompute_reg_usage): Ditto.
11067 (rest_of_handle_remove_death_notes): Ditto.
11068 (rest_of_handle_life): Ditto.
11069 (rest_of_handle_flow2): Ditto.
11070 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11071 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11072 (do_ssa_store_ccp): Ditto.
11073 (execute_fold_all_builtins): Ditto.
11074 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11075 * modulo-sched.c (rest_of_handle_sms): Ditto.
11076 * ipa-pure-const.c (static_execute): Ditto.
11077 * cse.c (rest_of_handle_cse): Ditto.
11078 (rest_of_handle_cse2): Ditto.
11079 * web.c (rest_of_handle_web): Ditto.
11080 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11081 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11082 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11083 * tree-nrv.c (tree_nrv): Ditto.
11084 (execute_return_slot_opt): Ditto.
11085 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11086 (create_structure_vars): Ditto.
11087 * loop-init.c (rtl_loop_init): Ditto.
11088 (rtl_loop_done): Ditto.
11089 (rtl_move_loop_invariants): Ditto.
11090 (rtl_unswitch): Ditto.
11091 (rtl_unroll_and_peel_loops): Ditto.
11092 (rtl_doloop): Ditto.
11093 * gimple-low.c (lower_function_body): Ditto.
11094 (mark_used_blocks): Ditto.
11095 * tree-ssa-sink.c (execute_sink_code): Ditto.
11096 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11097 (cgraph_early_inlining): Ditto.
11098 * global.c (rest_of_handle_global_alloc): Ditto.
11099 * jump.c (cleanup_barriers): Ditto.
11100 (purge_line_number_notes): Ditto.
11101 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11102 (rest_of_handle_if_after_reload): Ditto.
11103 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11104 (tree_ssa_loop_im): Ditto.
11105 (tree_ssa_loop_unswitch): Ditto.
11106 (tree_vectorize): Ditto.
11107 (tree_linear_transform): Ditto.
11108 (tree_ssa_loop_ivcanon): Ditto.
11109 (tree_ssa_empty_loop): Ditto.
11110 (tree_ssa_loop_bounds): Ditto.
11111 (tree_complete_unroll): Ditto.
11112 (tree_ssa_loop_prefetch): Ditto.
11113 (tree_ssa_loop_ivopts): Ditto.
11114 (tree_ssa_loop_done): Ditto.
11115 * predict.c (tree_estimate_probability): Ditto.
11116 * recog.c (split_all_insns_noflow): Ditto.
11117 (rest_of_handle_peephole2): Ditto.
11118 (rest_of_handle_split_all_insns): Ditto.
11119 * tree-eh.c (lower_eh_constructs): Ditto.
11120 * regmove.c (rest_of_handle_regmove): Ditto.
11121 (rest_of_handle_stack_adjustments): Ditto.
11122 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11123 * function.c (instantiate_virtual_regs): Ditto.
11124 (init_function_for_compilation): Ditto.
11125 (rest_of_handle_check_leaf_regs): Ditto.
11126 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11127 (rest_of_handle_gcse): Ditto.
11128 * ipa-type-escape.c (type_escape_execute): Ditto.
11129 * alias.c (rest_of_handle_cfg): Ditto.
11130 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11131 * profile.c (rest_of_handle_branch_prob): Ditto.
11132 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11133 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11134 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11135 * tree-dfa.c (find_referenced_vars): Ditto.
11136 * except.c (set_nothrow_function_flags): Ditto.
11137 (convert_to_eh_region_ranges): Ditto.
11138 (rest_of_handle_eh): Ditto.
11139 * emit-rtl.c (unshare_all_rtl): Ditto.
11140 (remove_unnecessary_notes): Ditto.
11141 * except.h (set_nothrow_function_flags): Ditto.
11142 (convert_to_eh_region_ranges): Ditto.
11143 * cfgexpand.c (tree_expand_cfg): Ditto.
11144 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11145 * tree-ssa-pre.c (do_pre): Ditto.
11146 (execute_fre): Ditto.
11147 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11148 (rest_of_handle_jump2): Ditto.
11149 * tree-sra.c (tree_sra): Ditto.
11150 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11151 (execute_mudflap_function_decls): Ditto.
11152 * tree-ssa-copy.c (do_copy_prop): Ditto.
11153 (do_store_copy_prop): Ditto.
11154 * ipa-prop.h (ipcp_driver): Ditto.
11155 * cfglayout.c (insn_locators_initialize): Ditto.
11156 * tree-ssa-forwprop.c
11157 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11158 * cfglayout.h (insn_locators_initialize): Ditto.
11159 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11160 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11161 (execute_late_warn_uninitialized): Ditto.
11162 * rtl.h (cleanup_barriers): Ditto.
11163 (split_all_insns_noflow): Ditto.
11164 (purge_line_number_notes): Ditto.
11165 (unshare_all_rtl): Ditto.
11166 (remove_unnecessary_notes): Ditto.
11167 (recompute_reg_usage): Ditto.
11168 (variable_tracking_main): Ditto.
11169 * integrate.c (emit_initial_value_sets): Ditto.
11170 * integrate.h (emit_initial_value_sets): Ditto.
11171 * tree-optimize.c (execute_free_datastructures): Ditto
11172 (execute_free_cfg_annotations): Ditto.
11173 (execute_fixup_cfg): Ditto.
11174 (execute_cleanup_cfg_pre_ipa): Ditto.
11175 (execute_cleanup_cfg_post_optimizing): Ditto.
11176 (execute_init_datastructures): Ditto.
11177 * tree-object-size.c (compute_object_sizes): Ditto.
11178 * combine.c (rest_of_handle_combine): Ditto.
11179 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11180 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11181 (rest_of_handle_reorder_blocks): Ditto.
11182 (rest_of_handle_partition_blocks): Ditto.
11183 * var-tracking.c (variable_tracking_main): Ditto.
11184 * tree-profile.c (tree_profiling): Ditto.
11185 * tree-vect-generic.c (expand_vector_operations): Ditto.
11186 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11187 * sched-rgn.c (rest_of_handle_sched): Ditto.
11188 (rest_of_handle_sched2): Ditto.
11189 * basic-block.h (free_bb_insn): Ditto.
11190 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11191 * tree-cfg.c (execute_build_cfg): Ditto.
11192 (remove_useless_stmts): Ditto.
11193 (split_critical_edges): Ditto.
11194 (execute_warn_function_return): Ditto.
11195 (execute_warn_function_noreturn): Ditto.
11196 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11197 * cfgrtl.c (free_bb_for_insn): Ditto.
11198 * passes.c (execute_one_pass): Run additional
11199 todos returned by execute function.
11200 * tree-pass.h (struct tree_opt_pass): Make execute
11203 2006-03-02 Richard Guenther <rguenther@suse.de>
11205 * tree-ssa-alias.c (find_used_portions): Consider taking
11206 the address as making the variable not write-only.
11208 2006-03-02 Nick Clifton <nickc@redhat.com>
11210 * config.gcc (default_use_cxa_atexit): Extend the description of
11211 this configure variable. Set its default value to "yes" for
11212 Linux, NetBSD and ELF targets on the assumption that they will
11213 use C libraries with the __cxa_atexit function.
11215 2006-03-02 Ben Elliston <bje@au.ibm.com>
11217 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11218 parameter as unused to suppress a build warning.
11220 2006-03-02 Ben Elliston <bje@au.ibm.com>
11222 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11225 2006-03-01 Roger Sayle <roger@eyesopen.com>
11228 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11229 declared name, the weak reference name, and the typeof name.
11230 (__gthrw): Avoid expanding the declared name suffix.
11231 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11233 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11235 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11237 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11238 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11239 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11240 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11241 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11242 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11243 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11244 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11245 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11246 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11247 (DW_END_default, DW_END_big, DW_END_little): New.
11248 (DW_END_lo_user, DW_END_hi_user): Define.
11249 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11250 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11251 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11254 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11256 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11258 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11260 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11262 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11264 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11265 to 'symbol_mem_tag'.
11267 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11270 2006-03-01 Roger Sayle <roger@eyesopen.com>
11272 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11274 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11277 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11278 MACHO_DYNAMIC_NO_PIC_P.
11279 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11281 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11284 * config/darwin-protos.h (darwin_asm_output_anchor):
11286 * config/darwin-sections.def (cstring_section):
11287 Add SECTION_MERGE to the flags.
11288 (literal4_section): Likewise.
11289 (literal8_section): Likewise.
11290 (objc_selector_refs_section): Likewise.
11291 (objc_cls_refs_section): Likewise.
11292 * config/darwin.c (darwin_asm_output_anchor): New
11294 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11296 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11298 Fix PR tree-optimization/26443
11299 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11300 to todo and PROP_tmt_usage to properties_destroyed.
11301 * tree-ssa-ccp.c (pass_ccp): Ditto.
11302 (pass_store_ccp): Ditto.
11303 * tree-ssa-dom.c (pass_dominator): Ditto.
11305 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11307 * tree-ssa-operands.c: Cleanup whitespace.
11308 (get_asm_expr_operands): Move before first invocation.
11309 (get_indirect_ref_operands): Likewise.
11310 (get_tmr_operands): Likewise.
11311 (get_call_expr_operands): Likewise.
11312 (append_def): Likewise.
11313 (append_use): Likewise.
11314 (append_v_may_def): Likewise.
11315 (append_v_must_def): Likewise.
11316 (add_call_clobber_ops): Likewise.
11317 (add_call_read_ops): Likewise.
11318 (add_stmt_operand): Likewise.
11319 (add_virtual_operand): Likewise.
11320 (build_ssa_operands): Likewise.
11322 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11324 PR middle-end/26022
11326 PR middle-end/24437
11327 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11328 with a call expr to ...
11329 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11331 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11333 * tree-vrp.c (extract_range_from_assert): Remove special
11334 handling for types with super-types.
11336 2006-03-01 Ben Elliston <bje@au.ibm.com>
11338 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11339 and powerpc64-*-linux* configurations.
11340 * config/t-dfprules: New file.
11342 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11343 Compile dfp-bit.c from the source directory using -DWIDTH and
11344 $DFP_CFLAGS to control the compilation of that file, rather than
11345 generating width-specific versions in the build directory.
11346 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11347 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11349 2006-02-28 Zack Weinberg <zackw@panix.com>
11351 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11354 2006-02-28 Eric Christopher <echristo@apple.com>
11356 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11357 Set up IN_LIBGCC definition of TARGET_64BIT.
11358 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11360 2006-02-28 Roger Sayle <roger@eyesopen.com>
11362 PR middle-end/14752
11363 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11364 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11365 cases via the construction of "expr != 0".
11367 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11369 * alias.c (alias_invariant, alias_invariant_size): Remove.
11370 (record_base_value): Remove.
11371 (memrefs_conflict_p): Don't look at alias_invariant.
11372 (end_alias_analysis): Don't free it.
11373 * alias.h (record_base_value): Remove prototype.
11375 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11376 Adam Nemet <anemet@caviumnetworks.com>
11378 * rtl.h (truncated_to_mode): Declare it.
11379 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11380 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11381 (RTL_HOOKS_INITIALIZER): Include it.
11382 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11383 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11384 reg_truncated_to_mode.
11385 * rtlanal.c (truncated_to_mode): Define it.
11386 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11388 2006-02-28 Jeff Law <law@redhat.com>
11390 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11391 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11392 the range allowed by TYPE_PRECISION.
11394 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11396 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11398 PR tree-optimization/26419
11399 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11402 2006-02-27 Zack Weinberg <zackw@panix.com>
11404 * doc/md.texi: Fix typo in previous change.
11406 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11410 2006-02-27 Zack Weinberg <zackw@panix.com>
11412 * rtl.def (define_constraint, define_register_constraint)
11413 (define_memory_constraint, define_address_constraint): New MD forms.
11414 * gensupport.c (process_rtx): Put define_constraint etc on the
11416 * genpreds.c (process_define_predicate): Adjust comment. Validate
11417 the name, and call validate_exp to validate the expression.
11418 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11419 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11420 all callers changed.
11421 (validate_exp, needs_variable, struct constraint_data)
11422 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11423 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11424 (const_dbl_constraints, constraint_max_namelen)
11425 (have_register_constraints, have_memory_constraints)
11426 (have_address_constraints, have_address_constraints)
11427 (have_extra_constraints, have_const_int_constraints)
11428 (have_const_dbl_constraints, mangle, add_constraint)
11429 (process_define_constraint, process_define_register_constraint)
11430 (write_enum_constraint_num, write_lookup_constraint)
11431 (write_insn_constraint_len, write_regclass_for_constraint)
11432 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11433 (write_insn_extra_memory_constraint)
11434 (write_insn_extra_address_constraint)
11435 (write_satisfies_constraint_fns): New.
11436 (write_tm_preds_h): If we have new-style constraint definitions,
11437 prototype the functions generated from them, and define the
11438 old constraint interface (still used by generic code) in terms of
11440 (write_insn_preds_c): If we have new-style constraint definitions,
11441 generate all relevant functions from those definitions.
11442 (main): Handle define_constraint etc.
11443 * genoutput.c (struct constraint_data, indep_constraints)
11444 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11445 (mdep_constraint_len): New data structures and functions, defined
11446 #ifdef USE_MD_CONSTRAINTS.
11447 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11448 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11449 use new logic to validate operand constraints against constraint
11451 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11453 * defaults.h: If none of the old-style constraint macros are
11454 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11455 old-style macros; and poison REG_CLASS_FROM_LETTER,
11456 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11458 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11459 * doc/md.texi: Document new constraint-definition mechanism and the
11460 C interface it provides. Remove references to old mechanism
11461 elsewhere in the document.
11462 (Machine Constraints): Use pathnames relative to gcc directory,
11463 i.e. config/ARCH/FILE. Change i386 section to refer to
11464 config/i386/predicates.md; update that section to match docstrings.
11465 * doc/tm.texi: Move all documentation of the old constraint-
11466 definition macros to their own section, clearly mark as obsolete.
11468 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11469 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11471 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11472 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11473 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11474 constraint strings.
11475 (splits and peepholes): Use satisfies_constraint_*.
11476 * config/i386/i386.c (memory_address_length)
11477 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11479 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11481 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11482 scalar operation to be put back into the loop.
11484 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11487 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11488 (extract_cie_info): Handle S flag in augmentation string.
11489 (execute_cfa_program): If context->signal_frame, execute also
11490 fs->pc == context->ra instructions.
11491 (uw_frame_state_for): If context->signal_frame, don't subtract one
11492 from context->ra to find FDE.
11493 (uw_update_context_1): Set context->signal_frame to
11495 (_Unwind_GetIPInfo): New function.
11496 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11497 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11499 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11500 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11501 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11502 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11503 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11504 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11505 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11506 x86_64_fallback_frame_state): Set fs->signal_frame.
11507 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11508 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11509 (frob_update_context): Likewise. Workaround missing S flag in
11510 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11511 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11512 Remove the psw_addr + 1 hack.
11514 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11516 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11517 with aggregates here.
11518 (find_func_aliases): Remove code for &<aggregate> from here.
11520 2006-02-26 Roger Sayle <roger@eyesopen.com>
11522 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11523 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11524 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11525 as (X & C) ne/eq 0.
11527 2006-02-26 Roger Sayle <roger@eyesopen.com>
11529 PR middle-end/19983
11530 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11532 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11534 * opts.c (decode_options): Do not handle flag_strength_reduce.
11535 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11536 and OPT_fstrength_reduce.
11537 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11538 flag_prefetch_loop_arrays for being nonzero.
11539 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11541 (fprefetch-loop-arrays-rtl): Removed.
11542 (flag_prefetch_loop_arrays): Do not specify the value.
11544 * doc/passes.texi: Update documentation of loop optimizer
11546 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11547 -frerun-loop-opt): Remove.
11549 2006-02-26 Richard Guenther <rguenther@suse.de>
11551 PR tree-optimization/26421
11552 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11553 in function calls that are ADDR_EXPRs as using the whole structure.
11555 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11557 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11558 * tree-pass.h (pass_loop_optimize): Remove.
11559 * passes.c (pass_loop_optimize): Never run it.
11560 * toplev.c (backend_init): Don't call init_loop.
11561 * opts.c (flag_loop_optimize_set): Remove.
11562 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11563 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11564 the old RTL loop optimizer when profiling enabled.
11565 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11566 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11567 pre-headers for the sake of the old RTL loop optimizer.
11568 * Makefile.in: Remove all references to loop.o.
11570 * doc/invoke.texi: Remove all references to -floop-optimize
11571 and -frerun-loop-opt.
11573 2006-02-26 Zack Weinberg <zackw@panix.com>
11575 * doc/md.texi (Machine Constraints): Refer to all files with paths
11576 relative to gcc directory (i.e. config/CPU/file). Add missing
11577 @table @code ... @end table to M32C subsection.
11579 2006-02-26 Roger Sayle <roger@eyesopen.com>
11581 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11583 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11585 2006-02-26 Roger Sayle <roger@eyesopen.com>
11586 James A. Morrison <phython@gcc.gnu.org>
11588 PR middle-end/21137
11589 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11590 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11591 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11592 signedness of the shift operation.
11594 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11596 PR tree-optimization/26359
11597 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11599 2006-02-25 Roger Sayle <roger@eyesopen.com>
11601 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11602 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11603 as X == 0, and some symmetry related transformations.
11604 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11606 2006-02-25 Roger Sayle <roger@eyesopen.com>
11608 PR middle-end/23673
11609 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11610 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11611 symmetry related transformations. Fold (X^C1) == C2 as
11614 2006-02-25 Juergen Weigert <jw@suse.de>
11615 Richard Guenther <rguenther@suse.de>
11617 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11619 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11621 * combine.c (gen_lowpart_or_truncate): Call
11622 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11624 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11626 * doc/invoke.texi: Move -fopenmp description to "Options for
11628 Remove reference to -lgomp.
11630 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11632 * doc/install.texi: Require GNU tar version 1.14.
11634 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11636 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11637 * doc/invoke.texi (C++ Dialect Options): Document
11638 -fno-use-cxa-get-exception-ptr.
11639 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11640 * configure: Regenerate.
11641 * c.opt (fuse-cxa-get-exception-ptr): New.
11642 * c-opts.c (c_common_handle_option): Handle
11643 OPT_fuse_cxa_get_exception_ptr.
11644 * c-common.c (flag_use_cxa_atexit): Update documentation.
11645 (flag_use_cxa_get_exception_ptr): New.
11646 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11647 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11649 (C_COMMON_OVERRIDE_OPTIONS): New.
11651 2006-02-24 Roger Sayle <roger@eyesopen.com>
11653 PR middle-end/24952
11654 * combine.c (try_combine): Explicitly check whether GET_CODE is
11655 a SET or a CLOBBER, instead on checking that it isn't a USE.
11657 2006-02-24 Roger Sayle <roger@eyesopen.com>
11659 * fold-const.c (fold_comparison): New subroutine of fold_binary
11660 containing transformations common to both the equality and
11661 ordering relational operators, factored out of fold_binary.
11662 (fold_binary): Separate out the equality operators (EQ_EXPR
11663 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11664 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11665 transformations common to both.
11666 (fold_div_compare): Fix latent bugs in the previously unreachable
11667 LT_EXPR and GE_EXPR cases.
11669 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11671 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11672 decl libname for clog to __clog on AIX.
11674 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11676 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11679 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11680 output traceback table for thunks. Localise rs6000_stack_info call.
11682 2006-02-23 Roger Sayle <roger@eyesopen.com>
11683 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11685 * gthr-posix.h (__gthrw): Fix typo in comment.
11687 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11689 * doc/cpp.texi (Character sets): Document that we do support
11690 input files to be in any character set.
11692 2006-02-23 Jeff Law <law@redhat.com>
11694 * tree.h (PHI_ARG_NONZERO): Remove.
11695 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11696 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11697 node to the new node.
11699 PR tree-optimization/26425
11700 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11701 min/max, then assume its varying.
11703 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11705 PR rtl-optimization/26316
11706 * rtlanal.c (enum may_trap_p_flags): New.
11707 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11708 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11709 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11710 (may_trap_after_code_motion_p): New function.
11711 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11712 (find_invariant_insn): Use may_trap_after_code_motion_p.
11713 * rtl.h (may_trap_after_code_motion_p): Declare.
11715 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11717 * emit-rtl.c (immed_double_const): Cleanup.
11719 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11721 Fix PR tree-optimization/26376
11722 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11725 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11727 PR middle-end/26412
11728 * gimplify.c (omp_add_variable): Guard variable size decl test with
11729 DECL_SIZE (decl) check.
11731 2006-02-23 Richard Guenther <rguenther@suse.de>
11733 PR middle-end/26439
11734 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11735 like aggregate types.
11737 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11739 * configure.ac: Add --with{,out}-long-double-128 configure option.
11740 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11741 * configure: Rebuilt.
11742 * config.in: Rebuilt.
11743 * doc/install.texi (Options specification): Document
11744 --with-long-double-128.
11746 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11747 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11748 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11749 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11751 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11753 * config/s390/s390.c (override_options): Handle
11754 TARGET_DEFAULT_LONG_DOUBLE_128.
11756 * config/alpha/alpha.c (override_options): Handle
11757 TARGET_DEFAULT_LONG_DOUBLE_128.
11759 * config/sparc/sparc.c (sparc_override_options): Handle
11760 TARGET_DEFAULT_LONG_DOUBLE_128.
11762 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11764 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11765 (real-install-headers-tar, real-install-headers-cpio)
11766 (real-install-headers-cp): New targets.
11768 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11770 * tree.h (variable_section): Delete.
11771 * varasm.c (variable_section): Delete.
11773 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11775 * install.texi: Add notes on install.texi2html.
11776 (Building in parallel): Do not use footnotes.
11778 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11781 * doc/install.texi (Configuration): Document --disable-libgomp.
11783 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11785 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11787 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11789 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11790 (vec_extractv2df_0_sse): New.
11792 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11794 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11795 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11796 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11797 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11798 to the result of the expression.
11799 (def_cfa_1): Adjust.
11800 (frame_pointer_cfa_offset): Rename to...
11801 (frame_pointer_fb_offset): ... this. Adjust all uses.
11802 (convert_cfa_to_loc_list): Rename to...
11803 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11804 Pass it on to build_cfa_loc.
11805 (compute_frame_pointer_to_cfa_displacement): Rename to...
11806 (compute_frame_pointer_to_fb_displacement): ... this. New
11807 offset parameter. Use it in computation.
11808 (gen_subprogram_die): Compute cfa_fb_offset with the new
11809 macro, and use it to compute the fb loc list and the
11812 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11814 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11815 replaced with register_operand.
11816 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11817 non-DREG is expensive.
11818 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11819 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11822 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11824 * doc/install.texi2html: Use set -e.
11826 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11828 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11829 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11830 * doc/invoke.texi (-fshared-data): Delete.
11831 * common.opt (fshared-data): Delete.
11832 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11833 (assemble_static_space): Remove #if 0 code.
11834 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11835 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11836 * config/cris/cris.h: Remove FIXME.
11838 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11840 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11843 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11845 PR middle-end/26379
11846 * combine.c (simplify_shift_const_1): Disable nested shifts
11847 optimization for vector shifts.
11849 2006-02-20 Roger Sayle <roger@eyesopen.com>
11851 PR tree-optimization/26361
11852 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11853 of unsigned integer types.
11855 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11857 * tree-chrec.c (eq_evolutions_p): New.
11858 * tree-chrec.h (eq_evolutions_p): Declared.
11859 * tree-data-ref.c: Fix formatting.
11860 (datadep_stats, dependence_stats): New.
11862 (print_direction_vector): New.
11863 (dump_data_dependence_relation): Use print_direction_vector.
11864 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11865 (compute_subscript_distance): Static.
11866 (initialize_data_dependence_relation): Static. Get the number
11867 of loops surrounding the references from the callers, and initialize
11868 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11869 base_object_differ_p analyzers.
11870 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11871 compute_overlap_steps_for_affine_1_2,
11872 analyze_subscript_affine_affine): Count the classified dependences.
11873 Print a message when a test failed.
11874 (can_use_analyze_subscript_affine_affine): New.
11875 (analyze_siv_subscript): Compute the data dependences on symbolic
11876 scevs that verify can_use_analyze_subscript_affine_affine.
11877 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11878 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11879 Handle symbolic scevs.
11880 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11882 (subscript_dependence_tester): Moved...
11883 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11884 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11885 DDR_SIZE_VECT instead of getting it in parameter.
11886 (subscript_dependence_tester): ... here. Take as a parameter
11887 loop_nest_depth. Call build_classic_dist_vector and
11888 build_classic_dir_vector.
11889 (compute_affine_dependence): Update subscript_dependence_tester
11890 parameters. Update datadep_stats counters. Call
11891 compute_subscript_distance.
11892 (compute_self_dependence): Save the dist and dir vectors. Call
11893 compute_subscript_distance.
11894 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11895 (compute_all_dependences): Reorder parameters as they were before
11896 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11897 compute_subscript_distance. Update the use of
11898 compute_affine_dependence and initialize_data_dependence_relation.
11899 (find_data_references_in_loop): Handle COMPONENT_REF.
11900 (compute_data_dependences_for_loop): Initialize dependence_stats.
11901 Don't call build_classic_dist_vector and build_classic_dir_vector.
11902 Update the parameters of initialize_data_dependence_relation and
11903 compute_all_dependences. Print the statistics from datadep_stats.
11904 (analyze_all_data_dependences): Static. Not used until the pass for
11905 checking the data dependences is contributed.
11906 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11907 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11908 (initialize_data_dependence_relation, compute_affine_dependence,
11909 analyze_all_data_dependences, compute_subscript_distance): Removed.
11910 (print_direction_vector): New.
11911 * lambda.h (gcd): ... here.
11912 (lambda_vector_gcd): Moved here from gcd_vector.
11913 * lambda-code.c (gcd, gcd_vector): Removed.
11914 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11915 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11917 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11919 * ipa-type-escape.c: Tidy some comments and white space.
11920 * tree-ssa-operands.c: Likewise.
11922 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11925 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11926 (dump_decl_name): Do not walk the decl tree chains.
11927 * tree-pass.h (TDF_CHAIN): Remove.
11929 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11931 * Makefile.in (C): Remove
11933 (.PHONY): Remove C and PROTO
11935 2006-02-20 Roger Sayle <roger@eyesopen.com>
11937 PR middle-end/26236
11938 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11939 deprecated CHAR_TYPE tree code.
11941 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11943 * configure.ac (target_list): Add install-info, dvi, html.
11944 * configure: Regenerate.
11946 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11947 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11948 treelang/Make-lang.in: Do not use double-colon rules.
11950 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11952 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11953 (TMT_USED_ALONE): New macro.
11954 * tree-pass.h (PROP_tmt_usage): New property.
11955 (TODO_update_tmt_usage): New todo.
11956 * tree-ssa-alias.c (updating_used_alone): New variable.
11957 (recalculate_used_alone): New function.
11958 (compute_may_aliases): Set updating_used_alone, call
11959 recalculate_used_alone.
11960 * tree-sra.c (pass_sra): Note that this pass destroys
11961 PROP_tmt_usage, and add TODO_update_tmt_usage.
11962 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11963 * tree-flow.h (updating_used_alone): Prototype.
11964 (recalculate_used_alone): Ditto.
11965 * passes.c (execute_todo): Add code to set updating_used_alone,
11966 and call recalculate.
11967 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11968 for clobber if used alone, and add assert to verify used_alone
11971 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11973 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11974 for non tls symbols added.
11975 (legitimize_address): Do nothing for PLUS expressions if one of the
11976 addends is a tls symbol reference.
11978 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11982 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11984 * Makefile.in (BOOTSTRAPPING): New.
11985 (quickstrap): New definition if BOOTSTRAPPING=yes.
11987 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11988 * configure.ac: Substitute all_selected_languages with the languages
11989 that were configured. For all the other variables except
11990 lang_specs_files, include all the languages in the tree.
11991 * configure: Regenerate.
11993 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11994 if there is one. Run the commands to run fixincludes in the same
11997 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11998 * doc/install.texi: Document exact conventions for searching target tools.
11999 Document --with-build-time-tools. Document toplevel bootstrap. Document
12000 something more about building an Ada cross-compiler. Don't list GNU Make
12001 requirements which affect all platforms.
12003 2006-02-19 Roger Sayle <roger@eyesopen.com>
12005 PR middle-end/19543
12006 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12007 only equivalent if the have both the same mode and precision.
12009 2006-02-20 Ben Elliston <bje@au.ibm.com>
12011 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12013 2006-02-19 Roger Sayle <roger@eyesopen.com>
12014 Steven Bosscher <stevenb.gcc@gmail.com>
12016 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12017 constant pool references to identify stack mode constants.
12018 * rtlanal.c (constant_pool_constant_p): New predicate to check
12019 whether operand is a floating point constant in the pool.
12020 * rtl.h (constant_pool_constant_p): Prototype here.
12021 * loop.c (scan_loop): Avoid hoisting constants from the constant
12022 pool on STACK_REGS targets.
12023 (load_mems): Likewise.
12024 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12025 loads into x87 registers expensive in terms of register pressure.
12027 2006-02-19 Roger Sayle <roger@eyesopen.com>
12029 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12030 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12032 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12034 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12035 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12037 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12039 * doc/invoke.texi: Document -fipa-pta.
12040 * common.opt: Add ipa-pta option.
12041 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12042 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12043 (do_ds_constraint): Ditto.
12044 (get_constraint_for): Only add to referenced_vars if
12045 referenced_vars exists.
12046 (insert_into_field_list): Rewrite to do this unsorted.
12047 (insert_into_field_list_sorted): Rename old insert_into_field_list
12049 (create_function_info_for): Use insert_into_field_list_sorted.
12050 (create_variable_info_for): Rewrite so it uses unsorted version,
12051 since the field list is sorted.
12052 (intra_create_variable_infos): Only add to referenced_vars if
12053 referenced_vars exists.
12054 (ipa_pta_execute): Init heapvars, and delete when done.
12055 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12057 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12059 * doc/install.texi: Add missing `@samp'.
12061 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12063 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12066 2006-02-18 Mark Wielaard <mark@klomp.org>
12068 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12069 who added new 4.1 features, bug fixes and integration support.
12071 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12074 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12075 MEM for ABI_V4 pic.
12077 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12079 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12080 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12081 (copy_insn_1): Likewise. Don't copy each field individually.
12083 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12085 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12086 * rtl.c (rtx_size): Rename variable to...
12087 (rtx_code_size): ...this.
12088 (rtx_size): New function.
12089 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12090 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12092 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12093 * rtl.h (rtx_code_size): New variable.
12094 (rtx_size): Change from a variable to a function.
12095 (RTX_SIZE): Rename to...
12096 (RTX_CODE_SIZE): ...this.
12099 PR tree-optimization/17106
12100 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12101 (Anchored Addresses): New section.
12102 * doc/invoke.texi (-fsection-anchors): Document.
12103 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12104 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12105 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12106 * hooks.c (hook_bool_mode_rtx_false): New function.
12107 * hooks.h (hook_bool_mode_rtx_false): Declare.
12108 * gengtype.c (create_optional_field): New function.
12109 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12110 SYMBOL_REF_IN_BLOCK_P is true.
12111 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12112 (min_anchor_offset, max_anchor_offset): Likewise.
12113 (use_anchors_for_symbol_p): New hook.
12114 * toplev.c (compile_file): Call output_object_blocks.
12115 (target_supports_section_anchors_p): New function.
12116 (process_options): Check that -fsection-anchors is only used on
12117 targets that support it and when -funit-at-a-time is in effect.
12118 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12119 if the decl doesn't have one.
12120 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12121 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12122 of force_const_mem through use_anchored_address.
12123 (expand_expr_constant): New function.
12124 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12125 calling expand_expr for INDIRECT_REF.
12126 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12127 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12128 * expr.h (use_anchored_address): Declare.
12129 * loop-unroll.c: Don't declare rtx vectors here.
12130 * explow.c: Include output.h.
12131 (validize_mem): Call use_anchored_address.
12132 (use_anchored_address): New function.
12133 * common.opt (-fsection-anchors): New switch.
12134 * varasm.c (object_block_htab, anchor_labelno): New variables.
12135 (hash_section, object_block_entry_eq, object_block_entry_hash)
12136 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12137 (use_blocks_for_decl_p, change_symbol_section): New functions.
12138 (get_variable_section): New function, split out from assemble_variable.
12139 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12140 use_blocks_for_decl_p say so. Use change_symbol_section if the
12141 symbol has already been created.
12142 (assemble_variable_contents): New function, split out from...
12143 (assemble_variable): ...here. Don't output any code for
12144 block symbols; just pass them to place_block_symbol.
12145 Use get_variable_section and assemble_variable_contents.
12146 (get_constant_alignment, get_constant_section, get_constant_size): New
12147 functions, split from output_constant_def_contents.
12148 (build_constant_desc): Create a block symbol if use_object_blocks_p
12149 says so. Or into SYMBOL_REF_FLAGS.
12150 (assemble_constant_contents): New function, split from...
12151 (output_constant_def_contents): ...here. Don't output any code
12152 for block symbols; just pass them to place_section_symbol.
12153 Use get_constant_section and get_constant_alignment.
12154 (force_const_mem): Create a block symbol if use_object_blocks_p and
12155 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12156 (output_constant_pool_1): Add an explicit alignment argument.
12157 Don't switch sections here.
12158 (output_constant_pool): Adjust call to output_constant_pool_1.
12159 Switch sections here instead. Don't output anything for block symbols;
12160 just pass them to place_block_symbol.
12161 (init_varasm_once): Initialize object_block_htab.
12162 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12163 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12164 (place_block_symbol, get_section_anchor, output_object_block)
12165 (output_object_block_htab, output_object_blocks): New functions.
12166 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12167 (TARGET_ASM_OUT): Include it.
12168 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12169 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12170 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12171 (TARGET_INITIALIZER): Include them.
12172 * rtl.c (rtl_check_failed_block_symbol): New function.
12173 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12174 (block_symbol, object_block): New structures.
12175 (rtx_def): Add a block_symbol field to the union.
12176 (BLOCK_SYMBOL_CHECK): New macro.
12177 (rtl_check_failed_block_symbol): Declare.
12178 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12179 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12180 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12181 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12182 * output.h (output_section_symbols): Declare.
12183 (object_block): Name structure.
12184 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12185 (default_use_anchors_for_symbol_p): Declare.
12186 * Makefile.in (RTL_BASE_H): Add vec.h.
12187 (explow.o): Depend on output.h.
12188 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12189 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12190 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12191 (rs6000_use_blocks_for_constant_p): New function.
12193 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12195 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12197 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12200 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12203 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12205 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12209 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12211 PR middle-end/26334
12212 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12213 instead of DECL_REGISTER.
12215 2006-02-18 Olivier Hainque <hainque@adacore.com>
12218 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12220 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12223 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12224 * opth-gen.awk: Handle Var and InverseMask together.
12225 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12226 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12227 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12228 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12230 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12231 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12232 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12233 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12234 LINUX_DYNAMIC_LINKER): Define.
12235 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12236 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12238 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12239 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12240 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12241 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12242 (TARGET_C99_FUNCTIONS): Don't define.
12243 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12244 GLIBC_DYNAMIC_LINKER.
12245 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12246 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12247 GLIBC_DYNAMIC_LINKER64): Define.
12248 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12249 LINUX_DYNAMIC_LINKER64.
12250 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12251 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12252 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12253 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12254 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12255 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12256 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12257 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12258 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12259 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12260 and LINUX_DYNAMIC_LINKER32.
12261 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12262 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12263 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12264 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12265 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12267 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12268 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12269 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12270 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12271 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12272 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12273 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12274 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12275 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12276 LINUX_DYNAMIC_LINKER): Define.
12277 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12278 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12279 GLIBC_DYNAMIC_LINKER64): Define.
12280 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12281 LINUX_DYNAMIC_LINKER64.
12282 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12283 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12284 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12285 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12286 LINUX_DYNAMIC_LINKER): Define.
12287 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12288 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12289 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12290 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12291 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12292 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12293 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12294 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12295 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12296 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12297 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12298 * doc/invoke.texi (-muclibc): Remove caveat about supported
12301 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12303 * doc/cpp.texi (__TIMESTAMP__): Document.
12305 2006-02-17 Roger Sayle <roger@eyesopen.com>
12307 PR middle-end/25600
12308 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12309 C is one less than the width of X (and related transformations).
12310 * simplify-rtx.c (simplify_unary_operation_1): Transform
12311 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12312 depending on STORE_FLAG_VALUE, were C is one less then the
12315 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12317 Fix PR tree-optimization/26341
12318 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12319 about NAME_MEMORY_TAG's.
12321 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12324 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12325 with hardware float support, and software float support. Add fcpy
12326 alternative to hardware patterns. Add alternatives to copy between
12327 general and floating-point registers to the 32-bit pattern.
12328 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12329 secondary reload to load a QI or HI mode constant into a floating
12331 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12332 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12334 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12337 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12339 (load_macho_picbase_di): Likewise.
12341 2006-02-16 Jeff Law <law@redhat.com>
12343 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12344 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12345 (ssa_name_nonzero_p): Likewise.
12346 (get_value_range): Return NULL if VRP is not running.
12347 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12348 VRP routines do not discover a range.
12349 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12350 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12351 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12352 (tree_expr_nonnegative_p): Similarly.
12353 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12354 (restore_nonzero_vars_to_original_value): Remove.
12355 (unsafe_associative_fp_binop): Remove.
12356 (tree_ssa_dominator_optimize): Remove initialization and
12357 finalization of nonzero_vars and nonzero_vars_stack.
12358 (dom_opt_initialize_block): No longer push marker on
12359 nonzero_vars_stack.
12360 (dom_opt_finalize_block): No longer call
12361 restore_nonzero_vars_to_original_value.
12362 (record_equivalences_from_phis): No longer look for
12363 nonzero PHI arguments.
12364 (cprop_into_successor_phis): No longer propagate nonzero
12365 property into PHI arguments. Lose unused argument. Caller
12367 (record_equivalences_from_stmt): No longer record nonzero
12368 values for SSA_NAMEs.
12369 (lookup_avail_expr): No longer use nonzero_vars.
12371 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12372 for sizetype when sizetype is unsigned.
12374 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12376 PR rtl-optimization/25603
12377 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12378 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12379 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12380 with new meaning of SETS.
12382 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12387 * config/linux.opt: New file.
12388 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12389 LINUX_DYNAMIC_LINKER): Define.
12390 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12391 * config.gcc (*-*-linux*): Define extra_options.
12392 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12393 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12394 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12395 GLIBC_DYNAMIC_LINKER.
12396 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12397 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12398 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12399 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12400 * doc/invoke.texi (GNU/Linux Options): New section.
12402 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12404 * config/sparc/sparc.md (setjmp): Rewrite.
12405 (setjmp_32): Delete.
12406 (setjmp_64): Likewise.
12408 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12410 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12413 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12415 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12418 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12420 PR rtl-optimization/26296
12421 * Makefile.in (loop-invariant.c): Add except.h dependency.
12422 * loop-invariant.c: Include except.h.
12423 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12425 2005-02-16 Paul Brook <paul@codesourcery.com>
12427 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12430 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12432 PR rtl-optimization/25636
12433 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12434 when deciding whether an insn is an initializing insn.
12436 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12438 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12439 (tree_code_size): Ditto.
12440 * tree.h (struct tree_memory_tag): Remove parent_var.
12441 (struct tree_struct_field_tag): New.
12444 (union tree_node): Add sft member.
12445 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12447 (create_sft): Add size and offset argument, set SFT_OFFSET and
12449 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12450 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12451 * tree-flow-inline.h (get_subvar_at): Update for
12452 SFT_OFFSET/SFT_SIZE.
12453 (var_can_have_subvars): Ditto.
12454 (overlap_subvar): Ditto.
12455 * print-tree.c (print_node): Print out interesting things for
12457 * tree-flow.h (struct subvar): Remove offset and size members.
12458 * tree-ssa-operands.c (get_expr_operands): Update for
12459 get_indirect_ref_operands changes.
12460 (get_indirect_ref_operands): Call add_virtual_operand instead of
12461 add_stmt_operand. Only recurse on base var if requested.
12462 (access_can_touch_variable): New function.
12463 (add_stmt_operand): Split virtual operand handling into ...
12464 (add_virtual_operand): Here. Add offset, size, and for_clobber
12465 arguments. Prune alias sets.
12466 (add_call_clobber_ops): Call add_virtual_operand.
12468 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12470 PR middle-end/26300
12471 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12473 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12474 than TREE_CODE as index into omp_clause_num_ops array.
12476 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12478 PR rtl-optimization/26184
12479 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12481 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12482 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12483 must_precede, must_follow and tobe_scheduled.
12486 * opts.c (common_handle_option): Free new_option pointer.
12487 * df-core.c (df_analyze): Free postorder pointer.
12489 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12491 * Makefile.in: Fix the examples about the use of stamps
12493 2006-02-15 Michael Matz <matz@suse.de>
12495 PR middle-end/22275
12497 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12498 influenced by maximum_field_alignment or DECL_PACKED.
12499 (update_alignment_for_field): Ditto.
12500 (place_field): Ditto.
12501 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12504 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12506 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12507 (debug_flow_info): Pass it.
12508 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12509 * bb-reorder.c (reorder_basic_blocks): Likewise.
12510 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12511 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12512 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12513 * gcse.c (gcse_main, bypass_jumps): Likewise.
12514 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12515 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12516 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12517 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12518 * rtl.h (dump_flow_info): Adjust prototype.
12519 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12520 * var-tracking.c (variable_tracking_main): Likewise.
12521 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12522 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12525 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12527 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12530 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12532 PR tree-optimization/26209
12533 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12534 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12536 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12538 2006-02-14 Roger Sayle <roger@eyesopen.com>
12540 PR middle-end/23670
12541 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12542 (X,Y) and the corresponding symmetry related transformations.
12543 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12544 (X,Y) and its symmetry related transformations.
12546 2006-02-14 Roger Sayle <roger@eyesopen.com>
12548 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12551 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12553 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12555 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12558 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12559 support COMDAT group.
12560 * configure: Regenerate.
12562 2006-02-14 Roger Sayle <roger@eyesopen.com>
12564 PR middle-end/26279
12565 PR middle-end/26280
12566 PR middle-end/26283
12567 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12569 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12571 Fix PR tree-optimization/26260
12573 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12575 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12576 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12577 * tree-ssa-structalias.c (create_variable_info_for): Use
12578 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12580 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12582 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12584 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12585 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12586 of the ending condition.
12587 * tree-ssa-loop-manip.c: Include params.h.
12588 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12589 tree_unroll_loop): New functions.
12590 * tree-pass.h (pass_loop_prefetch): Declare.
12591 * loop.c (rest_of_handle_loop_optimize): Test for
12592 -fprefetch-loop-arrays-rtl.
12593 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12594 * timevar.def (TV_TREE_PREFETCH): New timevar.
12595 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12596 pass_loop_prefetch): New.
12597 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12598 (cleanup_tree_cfg_loop): Call scev_reset.
12599 * common.opt (fprefetch-loop-arrays-rtl): Add.
12600 * tree-ssa-loop-prefetch.c: New file.
12601 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12602 (new_temp_expr_table): Initialize expr_vars.
12603 (free_temp_expr_table): Cleanup expr_vars.
12604 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12605 expressions from being merged into one.
12606 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12607 (struct tree_niter_desc): Add control, bound and cmp fields.
12608 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12610 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12611 (tree-cfgcleanup.o): Add SCEV_H dependency.
12612 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12613 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12615 2006-02-14 Richard Guenther <rguenther@suse.de>
12617 PR tree-optimization/26258
12618 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12619 in PHI argument processing.
12621 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12623 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12624 new expression in the requested machine mode.
12626 2006-02-13 Roger Sayle <roger@eyesopen.com>
12628 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12629 directly, instead let do_compare_rtx_and_jump handle this for us.
12630 * expr.c (expand_expr_real_1): Likewise.
12631 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12632 before do_jump_by_parts_greater.
12633 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12634 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12636 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12638 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12640 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12642 PR rtl-optimization/26235
12643 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12644 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12647 2006-02-13 Jeff Law <law@redhat.com>
12649 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12652 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12654 PR middle-end/26092
12655 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12656 twice if decl is a builtin. When trying again, call get_callee_fndecl
12657 first to verify it is still a builtin.
12659 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12661 * dwarf2out.c (base_type_die): Don't add AT_name here.
12662 (subrange_type_die): Don't add AT_name here.
12663 (modified_type_die): Rearrange code flow. Do add AT_name here.
12665 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12667 PR rtl-optimization/26247
12668 PR rtl-optimization/26248
12669 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12671 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12673 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12674 * config/fixtfdi.c: Likewise.
12675 * config/fixunstfdi.c: Likewise.
12676 * config/floatditf.c: Likewise.
12678 2006-02-13 Roger Sayle <roger@eyesopen.com>
12680 PR middle-end/24427
12681 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12682 into (X,C2) if C1 is a subset of the bits of C2. Transform
12683 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12685 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12687 2006-02-13 Josh Conner <jconner@apple.com>
12690 * varasm.c (function_section): Check for section name before
12691 calling select_section on targets that define
12692 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12693 unlikely_text_section instead of hot_function_section if
12694 first_function_block_is_cold.
12696 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12698 PR middle-end/25335
12699 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12701 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12703 PR rtl-optimization/26222
12704 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12705 after tree->rtl expansion.
12706 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12707 before passing it to emit_move_insn.
12709 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12711 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12713 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12714 Clarify documentation.
12715 * c-common.h (warn_write_strings): Remove.
12716 * c-common.c (warn_write_strings): Likewise.
12717 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12720 2006-02-12 Roger Sayle <roger@eyesopen.com>
12722 PR middle-end/25724
12723 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12724 (do_jump_parts_zero_rtx): New function renamed from
12725 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12726 (do_jump_parts_equality_rtx): New function split out from
12727 do_jump_parts_equality. Old implementation renamed as above.
12728 Call do_jump_parts_zero_rtx if either operand is zero.
12729 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12730 do all of the heavy lifting.
12731 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12732 calling either do_jump_by_parts_greater_rtx or
12733 do_jump_by_parts_equality_rtx.
12734 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12735 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12736 moved to do_compare_rtx_and_jump, call it directly.
12737 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12738 mode argument. Call do_compare_rtx_and_jump.
12739 (emit_case_nodes): Update calls to do_jump_if_equal.
12741 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12743 PR rtl-optimization/26225
12744 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12746 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12748 PR rtl-optimization/26232
12749 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12751 2006-02-11 Jason Merrill <jason@redhat.com>
12754 * tree-inline.c (declare_return_variable): Just don't use the
12755 modify target if it's a gimple complex reg and the return slot
12758 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12760 * doc/contrib.texi: Update my entry.
12762 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12764 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12766 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12768 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12771 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12773 * doc/invoke.texi (-floop-optimize2): Removed.
12774 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12775 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12776 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12777 * common.opt (floop-optimize2): Removed.
12778 (fmove-loop-invariants): Enabled by default.
12780 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12782 * tree-if-conv.c (combine_blocks): Free the result of
12783 get_loop_exit_edges.
12785 2006-02-10 Jeff Law <law@redhat.com>
12787 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12789 PR tree-optimization/26213
12790 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12791 loop trying to follow SSA_NAME_VALUE chains.
12793 2006-02-10 Richard Guenther <rguenther@suse.de>
12795 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12796 deal with structures that end in implicitly variable sized arrays.
12798 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12800 PR rtl-optimization/24762
12801 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12804 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12806 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12807 (struct ivopts_data): Add regs_used field.
12808 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12809 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12810 instead of loop_data->regs_used;
12811 (free_loop_data): Do not free aux fields for loops.
12812 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12813 and tree_ssa_iv_optimize_finalize.
12815 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12817 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12819 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12822 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12823 computing the effective result type.
12825 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12827 PR inline-asm/16194
12828 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12829 (tree_overlaps_hard_reg_set): Declare.
12830 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12831 type and signature to match function type expected by walk_tree.
12832 (tree_overlaps_hard_reg_set): New function.
12833 (decl_conflicts_with_clobbers_p): Rename to:
12834 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12835 Use tree_overlaps_hard_reg_set. Changed caller.
12836 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12837 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12838 * cris.c (cris_md_asm_clobbers): Likewise.
12840 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12842 * reload1.c (emit_input_reload_insns): Delete code that tries to
12843 inherit using find_equiv_reg.
12845 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12847 * c-common.h (flag_const_strings): Don't declare.
12848 * c-common.c (flag_const_strings): Remove.
12849 * c.opt (fconst_strings): Remove.
12850 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12851 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12852 (c_common_init_options): Don't set flag_const_strings.
12853 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12855 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12857 * arm.md (tlobits_cbranch): New pattern.
12858 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12859 testing a single bit.
12861 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12864 * tree-ssa-pre.c (create_component_ref_by_pieces):
12865 Handle RETURN_DECL like VAR_DECL.
12867 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12869 PR middle-end/26134
12870 * fold-const.c (fold_indirect_ref_1): Fold
12871 "*(foo *)&complexfoo" to "__real__ complexfoo"
12872 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12874 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12876 * tree-flow-inline.h (var_can_have_subvars):
12877 Volatile variables should not have subvariables.
12879 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12882 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12883 multiplying unsigned values.
12886 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12888 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12890 2006-02-08 Jason Merrill <jason@redhat.com>
12893 * tree.def: Elaborate on difference from MODIFY_EXPR.
12894 * doc/c-tree.texi (INIT_EXPR): Likewise.
12895 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12896 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12897 (gimplify_target_expr): Likewise.
12898 (gimplify_cond_expr): Remove target handling.
12899 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12900 (gimplify_expr): Clobber it here.
12901 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12902 Do return slot optimization if we have an INIT_EXPR.
12905 * tree-inline.c (declare_return_variable): Also clear
12906 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12909 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12911 PR middle-end/22439
12912 * gimplify.c (gimplify_one_sizepos): Fix typo.
12914 2006-02-08 Jeff Law <law@redhat.com>
12916 PR tree-optimization/21417
12917 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12918 across a backedge if the control statement at the end of the
12919 block is data dependent on other statements in the same block.
12920 (record_temporary_equivalences_from_stmts): Remove over-conservative
12921 test for threading across backedges.
12923 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12924 control statement, handle all three special cases in the same
12925 manner as they all have the same desired solution. No longer
12926 special case edge flag updating when the post dominator is
12929 2006-02-08 Roger Sayle <roger@eyesopen.com>
12931 * tree.def (CHAR_TYPE): Remove.
12932 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12933 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12934 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12935 (gen_string_type_die): Delete unreachable function.
12937 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12938 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12939 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12940 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12941 * builtins.c (type_to_class): Likewise.
12942 * fold-const.c (fold_convert, build_range_check,
12943 merge_ranges): Likewise.
12944 * expr.c (count_type_elements): Likewise.
12945 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12946 * stor-layout.c (layout_type): Likewise.
12947 * ipa-type-escape.c (type_to_consider): Likewise.
12948 * gimplify.c (omp_firstprivatize_type_sizes,
12949 gimplify_type_sizes): Likewise.
12950 * explow.c (promote_mode): Likewise.
12951 * tree-sra.c (is_sra_scalar_type): Likewise.
12952 * varasm.c (output_constant): Likewise.
12953 * tree-inline.c (remap_type_1): Likewise.
12954 * convert.c (convert_to_pointer, convert_to_real,
12955 convert_to_integer, convert_to_complex): Likewise.
12957 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12959 * df-scan.c (df_def_record_1): A set destination may
12960 be a parallel regardless of mode.
12962 2006-02-08 Roger Sayle <roger@eyesopen.com>
12965 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12966 * config/mips/_tilib.c: Remove.
12967 * config/fixtfdi.c: New libgcc source file.
12968 * config/fixunstfdi.c: New source file.
12969 * config/floatditf.c: New source file.
12970 * config/floatunditf.c: New souce file.
12971 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12972 files above instead of config/mips/_tilib.c.
12973 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12975 2006-02-08 Jeff Law <law@redhat.com>
12977 PR tree-optimization/26169
12978 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12981 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12983 * df.h (DF_REG_SIZE): Return the length of the initialized
12986 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12988 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12989 __muldf3): Return a correctly signed zero.
12991 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12993 * passes.c (register_one_dump_file): Accept the current properties
12994 instead of pass number. Adjust call to dump_register. Remove
12996 (register_dump_files): Now a wrapper around...
12997 (register_dump_files_1): ... this one. Do not modify the pass
12999 (next_pass_1): Cosmetic fix.
13000 (execute_todo): Keep second parameter only. Use curr_properties
13001 instead of fetching it from the pass structure. Check and set
13003 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13004 instead of fetching it from the pass structure. Fix calls to
13005 execute_todo. Update curr_properties and initialize .vcg RTL dump
13006 after running the pass. Reset last_verified.
13007 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13009 (FIRST_AUTO_NUMBERED_DUMP): New.
13010 (dump_register): Remove "num" parameter, assign it within the
13012 (get_dump_file_name): Modify template for dumps.
13013 * tree-dump.h (dump_register): Adjust prototype.
13014 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13015 (PROP_trees): Add PROP_gimple_lomp.
13016 (TODO_set_props): New.
13017 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13018 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13019 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13021 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13023 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13024 (sparc64-*-linux*): Likewise.
13025 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13026 * config/sparc/t-linux: New file.
13027 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13028 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13029 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13030 -m32 -mlong-double-128.
13032 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13033 * config/alpha/t-linux: New file.
13034 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13036 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13037 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13038 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13039 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13040 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13041 (CPP_ARCH32_SPEC): Remove.
13043 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13045 PR tree-optimization/26145
13046 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13049 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13052 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13053 >= 240000 when generating code for SOM runtime.
13054 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13055 to $$dyncall when generating code for SOM runtime..
13057 2006-02-07 Dirk Mueller <dmueller@suse.com>
13060 * doc/invoke.texi (-Wsequence-point): Update documentation
13061 that -Wsequence-point is implemented for C++ as well.
13063 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13065 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13066 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13067 (LIB_SPEC): Likewise.
13068 * doc/invoke.texi (SPARC options): Document -pthread.
13070 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13072 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13075 2006-02-07 Roger Sayle <roger@eyesopen.com>
13077 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13078 Correct comment describing BOOLEAN_TYPE.
13080 2006-02-07 Dirk Mueller <dmueller@suse.com>
13082 * c.opt: C++ frontend supports -Wdiv-by-zero.
13083 * c-opts.c (c_common_handle_option): Remove dead case.
13085 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13087 * configure.ac (TLS assembler check): Do not enable TLS by
13088 default on SPARC/Solaris before version 10.
13089 * configure: Regenerate.
13091 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13093 * doc/invoke.texi (xl-compat): Document conversion and support
13096 2006-02-07 Jeff Law <law@redhat.com>
13098 * tree-vrp.c (find_conditional_asserts): Update comments.
13099 (simplify_stmt_for_jump_threading): New.
13100 (identify_jump_threads, finalize_jump_threads): New.
13101 (vrp_finalize): Call identify_jump_threads.
13102 (execute_vrp): Call finalize_jump_threads.
13103 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13104 (vrp_element, vrp_data, vrp_element_p): Remove.
13105 (vrp_hash_elt, vrp_variables_stack): Remove.
13106 (vrp_hash, vrp_eq, record_range): Remove.
13107 (simplify_cond_and_lookup_avail_expr): Remove.
13108 (extract_range_from_cond): Remove.
13109 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13110 (simplify_stmt_for_jump_threading): New.
13111 (dom_thread_across_edge): New wrapper.
13112 (tree_ssa_dominator_optimize): No longer initialize or
13113 finalize any of the VRP datastructures. Remove iteration
13114 step and simplify as a result of removal of iteration step.
13115 (pass_dominator): Perform a cfg cleanup after DOM.
13116 (dom_opt_finalize_block): Use the new common routines
13117 for threading jumps. Simplify stack management slightly.
13118 No longer need to unwind VRP state.
13119 (record_equivalences_from_incoming_edge): No longer record
13121 (eliminate_redundant_computations): No longer call
13122 simplify_cond_and_lookup_avail_expr.
13123 * tree-flow.h (potentially_threadable_block): Prototype.
13124 (thread_across_edge): Likewise.
13125 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13126 (tree-ssa-threadedge.o): Add dependencies.
13127 * tree-ssa-threadedge.c: New file.
13128 * passes.c (init_optimization_passes): Merge PHIs before
13129 calling VRP. Run VRP again late in the SSA optimization pipeline.
13131 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13133 * df-core.c (df_set_blocks): Do not dereference function pointers.
13134 (df_finish1): Likewise.
13135 (df_hybrid_search_forward): Likewise.
13136 (df_hybrid_search_backward): Likewise.
13137 (df_iterative_dataflow): Likewise.
13138 (df_analyze_problem): Likewise.
13139 (df_compact_blocks): Likewise.
13140 (df_dump): Likewise.
13141 * df-scan.c (df_rescan_blocks): Likewise.
13142 (df_record_entry_block_defs): Likewise.
13144 * genconditions.c (write_conditions): Guard the definition of
13145 'insn_conditions' with the check on GCC version.
13146 (write_writer): Guard the traversal 'insn_conditions' with
13147 the check on GCC version.
13149 2006-02-07 Richard Guenther <rguenther@suse.de>
13153 2006-01-30 Richard Guenther <rguenther@suse.de>
13155 * gimplify.c (gimplify_target_expr): Handle easy cases
13156 without creating a temporary.
13158 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13160 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13161 use of float in probability computations. Use edge probabilities
13162 in place of statically computed probabilities.
13163 (min_spec_prob): New static variable.
13164 (schedule_insns): Initialize it.
13165 (GET_SRC_PROB): Removed.
13166 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13168 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13171 * config/ia64/unwind-ia64.c: Revert last change.
13172 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13173 (INCOMING_FRAME_SP_OFFSET): Define.
13175 2006-02-06 Roger Sayle <roger@eyesopen.com>
13177 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13179 2006-02-07 Ben Elliston <bje@au.ibm.com>
13181 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13182 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13183 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13184 (ix86_return_in_memory): Handle TDmode.
13185 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13186 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13188 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13190 * reorg.c (dbr_schedule): Use dump_file instead of file.
13192 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13195 * config/ia64/predicates.md (extr_len_operand): New predicate.
13196 * config/ia64/ia64.md (extv): Tighten constraints.
13198 (*tbit_and_2): Ditto.
13199 (*tbit_and_3): Ditto.
13200 (*tbit_or_2): Ditto.
13201 (*tbit_or_3): Ditto.
13202 (*bit_zero): Ditto.
13205 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13208 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13210 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13212 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13213 loop_optimizer_init and loop_optimizer_finalize
13214 * tree-ssa-sink.c (execute_sink_code): Ditto.
13215 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13216 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13217 tree_ssa_loop_done): Ditto.
13218 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13219 * sched-ebb.c: Include output.h.
13220 (schedule_ebbs): Do not use dump argument.
13221 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13222 * loop.c (loop_dump_stream): Removed.
13223 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13225 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13226 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13227 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13228 loop_iterations, strength_reduce, record_biv, record_giv,
13229 final_giv_value, check_final_value, check_ext_dependent_givs,
13230 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13231 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13232 dump_file instead of loop_dump_stream.
13233 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13234 argument dump_file.
13235 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13237 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13238 * haifa-sched.c: Include output.h
13239 (schedule_insns, sched_init): Do not use dump argument.
13240 * mode-switching.c (optimize_mode_switching): Ditto.
13241 * modulo-sched.c (stats_file): Removed.
13242 (print_node_sched_params): Do not call argument dump_file.
13243 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13244 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13246 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13248 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13249 rtl_loop_init, rtl_loop_done): Ditto.
13250 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13251 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13253 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13254 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13255 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13256 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13257 * emit-rtl.c (renumber_insns): Ditto.
13258 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13259 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13260 * regclass.c (regclass): Ditto.
13261 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13262 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13263 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13264 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13266 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13267 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13269 * gcse.c (gcse_file, debug_stderr): Removed.
13270 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13271 rest_of_handle_gcse): Do not use dump argument.
13272 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13273 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13274 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13275 compute_code_hoist_vbeinout, compute_code_hoist_data,
13276 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13277 compute_store_table, build_store_vectors, insert_insn_start_bb,
13278 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13279 store_motion): Use dump_file instead of gcse_file.
13280 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13281 * profile.c (profile_dump_file): Removed.
13282 (branch_prob): Use dump_file instead of profile_dump_file.
13283 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13285 * tree-ssa-copy.c (dump_copy_of): Ditto.
13286 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13287 dump file to life_analysis.
13288 * bt-load.c (branch_target_load_optimize): Ditto.
13289 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13291 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13292 regclass, dbr_schedule): Declaration changed.
13293 * sched-int.h (sched_init): Declaration changed.
13294 * tree-profile.c (tree_profile_dump_file): Removed.
13295 (tree_profile_hooks): Removed profile_dump_file hook.
13296 * rtl-profile (rtl_profile_dump_file): Removed.
13297 (rtl_profile_hooks): emoved profile_dump_file hook.
13298 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13300 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13301 * tree-cfg.c (build_tree_cfg): Ditto.
13302 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13303 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13304 Declaration changed.
13305 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13306 life_analysis and schedule_insns.
13307 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13309 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13311 * config/mips/mips.c (mips_reorg): Ditto.
13312 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13315 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13317 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13318 (s390_mangle_fundamental_type): New.
13319 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13322 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13323 (alpha_mangle_fundamental_type): New.
13324 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13327 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13329 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13331 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13332 (sparc_mangle_fundamental_type): New.
13334 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13336 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13337 (s390x-*-linux*): Likewise.
13338 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13339 * config/s390/t-linux: New file.
13341 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13343 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13344 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13346 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13348 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13349 (ANTIC_SAFE_LOADS): New macro.
13350 (find_or_generate_expression): Add prototype.
13351 (set_contains_value): Allow null set for sake of not always having
13352 to allocate ANTIC_SAFE_LOADS.
13353 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13354 Allow COMPONENT_REF too.
13355 (valid_in_set): Allow COMPONENT_REF.
13356 Check ANTIC_SAFE_LOADS too.
13357 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13358 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13360 (can_PRE_operation): Add COMPONENT_REF.
13361 (create_component_ref_by_pieces): New function.
13362 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13363 (insert_aux): Move AGGREGATE_TYPE_P check here.
13364 (compute_avail): Set bb local stmt uids.
13365 (pass_pre): Use TODO_update_ssa_only_virtuals.
13367 2006-02-06 Ben Elliston <bje@au.ibm.com>
13369 * configure.ac: Unconditionally disable decimal float by default.
13370 * configure: Regenerate.
13372 2006-02-06 Ben Elliston <bje@au.ibm.com>
13374 * read-rtl.c (read_name): Terminate reading on EOF.
13376 2006-02-06 Ben Elliston <bje@au.ibm.com>
13378 * dfp.c (decimal_real_arithmetic): Change second argument type
13379 from int to enum tree_code. Do not always return true, but now
13380 return result of any call to decimal_do helper functions.
13381 * dfp.h (decimal_real_arithmetic): Update prototype.
13383 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13385 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13387 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13390 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13393 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13395 * tree-vrp.c (cfg_loops): Removed.
13396 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13397 Use current_loops instead of cfg_loops. Pass flags to
13398 loop_optimizer_init.
13399 * cfgloopmanip.c (fix_loop_structure): Update only available
13401 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13402 loop_optimizer_init.
13403 * modulo-sched.c (build_loops_structure): Removed.
13404 (sms_schedule): Use loop_optimizer_init.
13405 * loop-init.c (loop_optimizer_init): Use flags to determine
13406 which properties of loops to prepare.
13407 (rtl_loop_init): Pass flags to loop_optimizer_init.
13408 * tree-ssa-sink.c (execute_sink_code): Ditto.
13409 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13410 * tree-ssa-pre.c (init_pre): Ditto.
13411 * cfgloop.h (LOOPS_NORMAL): New.
13412 (loop_optimizer_init): Declaration changed.
13414 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13416 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13417 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13419 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13421 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13423 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13424 * pa/t-pa64: Delete quadlib.c rule.
13425 * pa/x-ada: Revert last change.
13426 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13428 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13430 PR rtl-optimization/26087
13431 * rtlanal.c (canonicalize_condition): Do not cross basic block
13434 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13437 * config/ia64/ia64.c: Include debug.h.
13438 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13439 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13440 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13441 (process_epilogue, process_set, process_for_unwind_directive):
13442 Output unwind info only if requested. Add CFA info if requested.
13443 Add new arguments as needed. Adjust callers.
13444 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13446 (DWARF2_FRAME_INFO): Define to zero.
13447 * config/ia64/unwind-ia64.c: Remove code that compensated for
13448 the CFA offset error fixed above.
13449 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13450 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13451 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13452 -funwind-tables and -fexceptions to enable frame info.
13453 (dwarf2out_frame_init): Define initial CFA even if
13454 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13455 DWARF2_UNWIND_INFO is nonzero, not just defined.
13456 (dwarf2out_frame_finish): Output non-EH call frame info only
13457 if DWARF2_FRAME_INFO is nonzero.
13458 (convert_cfa_to_loc_list,
13459 compute_frame_pointer_to_cfa_displacement): Define even if
13460 unwind info is not supported.
13461 (gen_subprogram_die): Use the above unconditionally. Remove
13462 legacy alternate code.
13463 * toplev.c (compile_file): Compile in call to
13464 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13465 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13467 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13468 Jakub Jelinek <jakub@redhat.com>
13470 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13471 IBM extended float format long double as "g" on powerpc*-linux.
13473 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13476 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13477 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13479 2006-02-03 Jason Merrill <jason@redhat.com>
13482 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13484 PR middle-end/25977
13485 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13486 on the return slot if it's an NRV.
13488 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13490 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13491 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13492 rewrite_use): Do not handle USE_OUTER.
13493 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13494 add_iv_outer_candidates, may_replace_final_value,
13495 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13496 (find_interesting_uses_op): Functionality of
13497 find_interesting_uses_outer_or_nonlin moved here.
13498 (find_interesting_uses_outside): Use find_interesting_uses_op.
13500 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13503 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13505 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13506 Ulrich Weigand <uweigand@de.ibm.com>
13509 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13510 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13511 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13512 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13514 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13515 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13516 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13517 Define secondary reloads for TFmode moves.
13518 (constant_modes): Add TFmode.
13519 (NR_C_MODES): Set to 8.
13520 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13522 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13523 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13524 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13525 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13526 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13527 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13528 (FPR mode macro): Add TFmode.
13529 (DSF mode macro): New.
13530 (<de>, <dee> mode attributes): Removed.
13531 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13532 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13533 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13534 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13535 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13536 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13537 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13538 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13539 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13540 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13541 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13542 "*negabs<mode>2", "sqrt<mode>2"):
13543 Changed <de> to <xde>. R constraint replaced by <Rf>.
13544 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13546 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13547 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13548 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13550 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13551 "extenddftf2", "extendsftf2"): New expanders.
13552 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13553 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13554 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13555 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13557 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13558 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13559 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13560 __floatditf): Add a GCC_4.1.0 symbol version tag.
13561 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13564 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13567 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13568 Use targetm.binds_local_p instead of TREE_PUBLIC.
13570 2006-02-02 Roger Sayle <roger@eyesopen.com>
13572 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13573 on INTEGER_TYPEs to indicate that it denotes a character type.
13574 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13575 signed_char_type_node, unsigned_char_type_node and char_type_node.
13576 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13577 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13578 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13580 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13581 Daniel Berlin <dberlin@dberlin.org>
13583 * tree-tailcall.c (arg_needs_copy_p): New function.
13584 (eliminate_tail_call): Use arg_needs_copy_p.
13585 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13586 (add_virtual_phis): New function.
13588 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13590 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13591 #ignore instead of #scratch for %g7 .register directive.
13593 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13595 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13598 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13600 * flow.c (calculate_global_regs_live): Assert that there aren't any
13603 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13605 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13606 what its name says.
13607 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13608 bsi_after_labels iterator.
13609 * tree-if-conv.c (find_phi_replacement_condition,
13610 replace_phi_with_cond_modify_expr): Likewise.
13611 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13612 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13614 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13616 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13618 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13621 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13622 array after growing it.
13624 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13626 PR middle-end/24901
13627 * fold-const.c (fold_checksum_tree): Change type of buf.
13629 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13631 * reload.c (push_secondary_reload): Initialize t_icode.
13633 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13635 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13636 -msoft-float -mlong-double-128 only issue a warning, but don't
13637 swich to DFmode long double.
13639 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13641 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13642 has a constant equivalent, iterate over equivalents for arg0,
13643 calling simplify_relational_operation and if there's a result
13644 cheaper than X, apply fold_rtx and return the result.
13646 2006-02-01 Jan Hubicka <jh@suse.cz>
13648 * opts.c (no_unit_at_a_time_default): New global variable.
13649 (decode_options): Use it.
13650 * opts.h (no_unit_at_a_time_default): Declare.
13652 2006-02-01 Paul Brook <paul@codesourcery.com>
13654 * function.c (assign_parm_setup_reg): Use function argument promotion
13656 * expr.c (expand_expr_real_1): Use function argument promotion rules
13659 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13661 * gcc.c (process_command): Change j to 'unsigned int'.
13663 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13665 PR middle-end/26001
13666 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13667 Use the corrected index for the character
13668 out of the string constant.
13670 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13672 * mode-switching.c (optimize_mode_switching): Fix size
13673 allocated for bb_info[n_entities].
13675 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13677 * gcc.c (main): Correct type that is allocated for
13678 explicit_link_files.
13680 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13682 * config/s390/s390.c (init_alignment_context): Set
13683 ALIAS_SET_MEMORY_BARRIER on the MEM.
13684 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13686 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13688 PR middle-end/25933
13689 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13691 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13694 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13696 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13697 * regrename.c: Ditto.
13698 * tree-ssa-loop-im.c: Ditto.
13699 * tree-dump.c: Ditto.
13700 * tree-complex.c: Ditto.
13701 * genrecog.c: Ditto.
13702 * tree-ssa-threadupdate.c: Ditto.
13704 * java/class.c: Ditto.
13705 * java/jcf-parse.c: Ditto.
13706 * java/resource.c: Ditto.
13707 * java/except.c: Ditto.
13708 * java/jvspec.c: Ditto.
13709 * java/jcf-write.c: Ditto.
13710 * java/jcf-path.c: Ditto.
13711 * java/gjavah.c: Ditto.
13712 * java/zextract.c: Ditto.
13713 * java/jcf-io.c: Ditto.
13714 * java/jcf.h: Ditto.
13715 * java/buffer.c: Ditto.
13716 * java/lang.c: Ditto.
13717 * java/parse-scan.y: Ditto.
13718 * java/lex.c: Ditto.
13719 * java/lex.h: Ditto.
13720 * cfgloopmanip.c: Ditto.
13721 * postreload-gcse.c: Ditto.
13722 * tree-ssa-loop-manip.c: Ditto.
13723 * postreload.c: Ditto.
13724 * tree-ssa-loop-ch.c: Ditto.
13727 * cppspec.c: Ditto.
13728 * diagnostic.c: Ditto.
13730 * genoutput.c: Ditto.
13732 * cfghooks.c: Ditto.
13733 * cfgloopanal.c: Ditto.
13734 * objc/objc-act.c: Ditto.
13736 * genextract.c: Ditto.
13737 * genautomata.c: Ditto.
13738 * pretty-print.c: Ditto.
13739 * genemit.c: Ditto.
13740 * cgraphunit.c: Ditto.
13742 * df-scan.c: Ditto.
13743 * haifa-sched.c: Ditto.
13744 * dominance.c: Ditto.
13746 * tree-ssa-loop-ivopts.c: Ditto.
13747 * df-core.c: Ditto.
13748 * mode-switching.c: Ditto.
13749 * modulo-sched.c: Ditto.
13751 * ipa-pure-const.c: Ditto.
13753 * fix-header.c: Ditto.
13755 * tree-stdarg.c: Ditto.
13756 * ipa-utils.c: Ditto.
13757 * loop-init.c: Ditto.
13758 * ipa-inline.c: Ditto.
13759 * cfganal.c: Ditto.
13761 * alloc-pool.c: Ditto.
13762 * dwarf2out.c: Ditto.
13764 * genattrtab.c: Ditto.
13765 * tree-ssa-loop-ivcanon.c: Ditto.
13766 * predict.c: Ditto.
13767 * timevar.c: Ditto.
13769 * fortran/gfortranspec.c: Ditto.
13770 * regmove.c: Ditto.
13771 * local-alloc.c: Ditto.
13772 * langhooks.c: Ditto.
13773 * function.c: Ditto.
13774 * tree-vectorizer.c: Ditto.
13776 * ipa-type-escape.c: Ditto.
13778 * tree-if-conv.c: Ditto.
13779 * profile.c: Ditto.
13781 * tree-data-ref.c: Ditto.
13782 * loop-unroll.c: Ditto.
13783 * treelang/treetree.c: Ditto.
13785 * bt-load.c: Ditto.
13786 * ggc-common.c: Ditto.
13788 * coverage.c: Ditto.
13790 * tree-cfgcleanup.c: Ditto.
13791 * tree-ssa-pre.c: Ditto.
13792 * cfgcleanup.c: Ditto.
13793 * loop-invariant.c: Ditto.
13794 * loop-iv.c: Ditto.
13795 * ipa-prop.c: Ditto.
13796 * print-tree.c: Ditto.
13797 * conflict.c: Ditto.
13798 * ggc-page.c: Ditto.
13799 * sched-deps.c: Ditto.
13800 * regclass.c: Ditto.
13801 * tree-object-size.c: Ditto.
13802 * combine.c: Ditto.
13803 * bb-reorder.c: Ditto.
13804 * resource.c: Ditto.
13805 * var-tracking.c: Ditto.
13806 * cfgloop.c: Ditto.
13807 * df-problems.c: Ditto.
13808 * reg-stack.c: Ditto.
13810 * gccspec.c: Ditto.
13811 * sched-rgn.c: Ditto.
13812 * tree-ssa-structalias.c: Ditto.
13813 * tree-ssa-reassoc.c: Ditto.
13814 * config/darwin-c.c: Ditto.
13815 * config/darwin.c: Ditto.
13816 * config/arm/arm.c: Ditto.
13818 * collect2.c: Ditto.
13819 * reload1.c: Ditto.
13821 2006-01-31 Nicolas Pitre <nico@cam.org>
13823 * arm.md (smaxsi3): Make aware of smax_m1.
13826 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13828 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13830 2006-01-31 Richard Guenther <rguenther@suse.de>
13832 * doc/invoke.texi (-msselibm): Document.
13833 * target.h (expand_library_builtin): New target hook.
13834 * builtins.c (expand_builtin): Use expand_library_builtin.
13835 (default_expand_library_builtin): New function.
13836 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13837 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13838 (link_gcc_math_spec): Declare.
13839 (static_specs): Add link_gcc_math_spec.
13840 * expr.h (default_expand_library_builtin): Declare.
13841 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13842 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13843 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13844 * config/i386/i386.opt (msselibm): New target option.
13845 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13846 (ix86_init_sse_abi_builtins): New function.
13847 (ix86_expand_library_builtin): Likewise.
13848 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13849 (override_options): Handle error conditions wrt -msselibm.
13850 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13851 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13852 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13855 2006-01-31 Richard Guenther <rguenther@suse.de>
13856 Paolo Bonzini <bonzini@gnu.org>
13858 * doc/install.texi (--disable-libgcc-math): Document.
13860 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13862 * expr.h (expand_normal): new inline function.
13863 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13864 * dojump.c: use it.
13865 * dwarf2out.c: use it.
13868 * expmed.c: use it.
13869 * except.c: use it.
13870 * config/sparc/sparc.c: use it.
13871 * config/i386/i386.c: use it.
13872 * config/rs6000/rs6000.c: use it.
13873 * config/arm/arm.c: use it.
13874 * config/mips/mips.c: use it.
13875 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13877 2006-01-30 Roger Sayle <roger@eyesopen.com>
13879 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13880 argv to the appropriate type.
13882 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13884 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13887 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13890 * config/s390/s390.c (struct machine_function): New flag
13891 decomposed_literal_pool_addresses_ok_p.
13892 (s390_reorg): Set it before final stage of literal pool transforms.
13893 (s390_decompose_address): Only accept displacements of the form
13894 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13896 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13898 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13899 the comparison routine return.
13901 2006-01-30 Michael Matz <matz@suse.de>
13903 * global.c (find_reg): Only evict for global regs.
13904 Take n_refs into account and dump more info.
13906 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13909 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13910 (pragma_trap, pragma_nosave_low_regs): Likewise.
13911 (current_function_anonymous_args): Likewise.
13912 (sh_deferred_function_attributes): New variable.
13913 (sh_deferred_function_attributes_tail): Likewise.
13914 (print_operand): For '@', look up trap_exit attribute.
13915 (calc_live_regs): Look up trapa_handler attribute. For trapa
13916 handlers, save/restore fpscr, but don't do any other
13917 interrupt-specific saves.
13918 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13919 Fix check for partially saved registers to check for SHmedia.
13920 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13921 (sh_output_function_epilogue): Don't clear any of the removed
13923 (sh_insert_attributes): Don't check pragma_interrupt.
13924 Insert deferred attributes. Check that interrupt attribute is
13925 present for other attributes that require its presence.
13926 (sh_attribute_table): Add new attributes trapa_handler and
13928 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13929 Don't check for pragma_interrupt. Don't store argument.
13930 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13931 (sh_deferred_function_attributes): Declare.
13932 (sh_deferred_function_attributes_tail): Likewise.
13933 * sh.md (sp_switch_1): Add operand. Change generator caller.
13934 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13935 (*return_i): Don't use when trap_exit attribute is in effect.
13936 (*return_trapa): New insn pattern.
13937 * sh-c.c: New file.
13938 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13939 setting c_target_objs and cxx_target_objs.
13940 * t-sh: Add rule for sh-c.o.
13942 2006-01-30 Richard Guenther <rguenther@suse.de>
13945 * gimplify.c (gimplify_target_expr): Handle easy cases
13946 without creating a temporary.
13948 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13950 * vec.h (safe_grow): Remove duplicated line.
13952 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13955 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13956 (expand_omp): ... here.
13957 (expand_omp_parallel): Only remove barriers for combined
13958 parallel+workshare constructs.
13960 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13964 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13965 * tree.c (build_qualified_type): Chain the new type to the original
13966 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13967 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13968 (build_pointer_type_for_mode): Only return unqualified types.
13969 (build_reference_type_for_mode): Likewise.
13971 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13973 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13974 * Makefile.in (CXX_COMPAT_WARN): Define.
13975 * configure: Regenerate.
13977 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13980 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13983 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13985 * toplev.c: Fix thinko.
13987 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13988 Marcin Dalecki <martin@dalecki.de>
13990 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13991 (push_srcloc): Use XNEW.
13992 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13994 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13996 * df-core.c (df_set_blocks): Deleted all variable.
13998 2006-01-28 Ian Lance Taylor <ian@airs.com>
14000 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14001 cgraph_output_pending_asms.
14003 2006-01-28 Zack Weinberg <zackw@panix.com>
14005 * c.opt: Add -W(no-)overlength-strings.
14006 * doc/invoke.texi: Document it.
14007 * c-opts.c (c_common_handle_option): -pedantic implies
14008 -Woverlength-strings, if not explicitly disabled already.
14009 (c_common_post_options): -Woverlength-strings defaults to off, and
14010 is always off for C++.
14011 * c-common.c (fix_string_type): Issue warning about strings longer
14012 than is portable only if warn_overlength_strings. Rearrange code
14013 a little for clarity.
14014 * configure.in: Check for -Wno-overlength-strings as well before
14015 enabling -pedantic in stage 1.
14016 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14017 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14019 * genconditions.c (write_header, write_one_condition)
14020 (write_conditions, write_writer): Consolidate very long strings
14021 that were broken up to fit in C89 portable limit. Don't use
14022 printf when fputs will do.
14024 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14026 * combine.c (simplify_comparison <AND>): Check
14027 TRULY_NOOP_TRUNCATION before start using a subreg.
14029 * config/mips/mips.md (*branch_zero<mode>,
14030 *branch_zero<mode>_inverted, *branch_equality<mode>,
14031 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14032 Remove mode check from comparisons.
14034 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14036 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14038 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14040 * expmed.c (const_mult_add_overflow_p): Remove.
14041 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14043 * recog.c (validate_replace_rtx_subexp): Remove.
14044 * recog.h: Remove the prototype for
14045 validate_replace_rtx_subexp.
14047 * integrate.h: Remove the prototype for
14048 copy_decl_for_inlining.
14049 * rtl.h: Remove the prototype for mark_constant_function.
14050 * tree-vectorizer.h: Remove the prototype for
14051 vect_strip_conversion.
14053 * modulo-sched.c (create_partial_schedule,
14054 free_partial_schedule, reset_partial_schedule): Make them
14057 * hooks.c (hook_bool_rtx_int_false): Remove.
14058 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14060 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14062 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14063 and -mlong-double-128 are incompatible.
14064 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14065 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14066 (TARGET_LIBGCC2_CFLAGS): Define.
14067 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14068 (TARGET_LIBGCC2_CFLAGS): Same.
14069 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14071 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14074 * c-typeck.c (build_binary_op): Perform implicit casts of
14075 operands before shortening them.
14077 * cfgloopmanip.c (split_loop_bb): Remove.
14078 * cfgloop.h: Remove the prototype for split_loop_bb.
14080 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14081 * cfgloop.h: Remove the prototype for
14082 flow_loop_outside_edge_p.
14084 * emit-rtl.c (init_virtual_regs): Make it static.
14085 * function.h: Remove the prototype for init_virtual_regs.
14087 * recog.c (peephole2_optimize): Make it static.
14088 * recog.h: Remove the prototype for peephole2_optimize.
14090 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14092 * df-scan.c (df_record_entry_block_defs): Check if
14093 INCOMING_RETURN_ADDR_RTX is defined.
14095 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14096 Kenneth Zadeck <zadeck@naturalbridge.com>
14098 PR rtl-optimization/24762
14099 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14100 * targhooks.c (hook_void_bitmap): New hook prototype.
14101 * targhoohs.h (hook_void_bitmap): Ditto.
14102 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14103 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14104 * target.h (live_on_entry): New function pointer.
14105 * df-scan.c (df_all_hard_regs): Removed.
14106 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14107 (df_scan_free_internal): Added df->entry_block_defs.
14108 (df_scan_alloc): Ditto.
14109 (df_scan_dump): Ditto.
14110 (df_uses_record): Plumbed flag field properly thru calls.
14111 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14112 This part fixes PR24762.
14113 (df_bb_refs_record): Added code to make the frame and arg
14114 pointers live in EH blocks.
14115 (df_refs_record): Added call to df_record_entry_block_defs.
14116 (df_record_entry_block_defs): New function.
14117 * df-core.c: Added comments to describe new artifical defs.
14118 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14119 (entry_block_defs): New field in struct df.
14120 (df_all_hard_regs): Deleted.
14121 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14122 * df-problems.c (df_ru_bb_local_compute_process_def):
14123 Added code to handle artifical defs in the entry to a function.
14124 (df_ru_bb_local_compute): Ditto.
14125 (df_rd_bb_local_compute_process_def): Ditto.
14126 (df_rd_bb_local_compute): Ditto.
14127 (df_lr_bb_local_compute): Ditto.
14128 (df_ur_bb_local_compute): Ditto.
14129 (df_urec_bb_local_compute): Ditto.
14130 (df_chain_create_bb): Ditto.
14131 (df_ur_local_finalize): Removed entry.
14132 (df_urec_init): Ditto.
14133 (df_urec_local_finalize): Ditto.
14134 (df_ri_bb_compute): Added detection of last use of pseudos.
14135 * Makefile.in (df-scan.o): Updated dependencies.
14136 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14137 * config/mips/mips.c (mips_set_live_on_entry): Added.
14138 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14140 * dce.c (marked_insn_p): Added code to handle artifical defs.
14142 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14144 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14146 (_mm_cvtsi128_si64): Likewise.
14147 (_mm_cvtsd_si64): Likewise.
14148 (_mm_cvttsd_si64): Likewise.
14149 (_mm_cvtsi64_sd): Likewise.
14150 (_mm_cvtsi64_si128): Likewise.
14151 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14152 (_mm_cvtsi64_m64): Likewise.
14153 (_m_to_int64): Likewise.
14154 (_mm_cvtm64_si64): Likewise.
14155 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14156 (_mm_cvttss_si64): Likewise.
14157 (_mm_cvtsi64_ss): Likewise.
14158 (_mm_cvtss_f32): Likewise.
14160 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14162 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14163 for pragma redefine_extname.
14165 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14168 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14169 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14170 -mno-minimal-toc to previous content.
14171 (bispecs): Remove goal.
14172 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14173 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14174 compatibility aliases on powerpc-*-*gnu*.
14175 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14176 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14177 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14178 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14179 (ldblspecs): New goal.
14180 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14181 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14183 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14184 L_sf_to_tf or L_df_to_tf is defined.
14186 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14187 Alan Modra <amodra@bigpond.net.au>
14190 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14191 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14192 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14193 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14194 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14195 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14196 (rs6000_override_options): Initialize rs6000_ieeequad.
14197 Initialize TFmode format to ibm_extended_format if not
14199 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14201 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14202 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14203 (function_arg_advance): IBM long double passed in two FPRs, not
14205 (function_arg): IBM long double passed in FPRs.
14206 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14207 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14208 Only multireg GPR aligned.
14209 (rs6000_init_libfuncs): Enable IBM long double functions if not
14211 (rs6000_generate_compare): Use IBM long double compare if not
14213 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14214 (TARGET_IEEEQUAD): Define.
14215 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14216 not TARGET_IEEEQUAD.
14217 * config/rs6000/rs6000.md: Enable TFmode patterns if
14219 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14220 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14221 and -mlong-double-128 are incompatible.
14222 * doc/invoke.texi (-mabi): Collect options together. Add
14223 ibmlongdouble and ieeelongdouble.
14225 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14227 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14229 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14230 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14231 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14232 * rtl.h (rtunion_def): Remove rt_ptr.
14234 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14235 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14236 * config/i386/winnt.c (i386_pe_mark_dllexport)
14237 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14239 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14241 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14243 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14247 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14248 pthread_key_delete. From John David Anglin. gthrw-ify
14249 pthread_getunique_np only if it it's not a macro. Delete
14251 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14252 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14253 __gthread_objc_condition_signal, __gthread_key_delete): Add
14254 "__attribute__ ((__unused__))" to unused arguments.
14255 (__gthread_recursive_mutex_init_function): Add missing return.
14256 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14257 gthr-posix95.h: Use macro-based approach for name redirection
14258 on targets missing weakref.
14260 2006-01-26 Zack Weinberg <zackw@panix.com>
14262 * genconditions.c (write_header): In generated code, #ifdef out
14263 all includes and fake declarations, except includes of bconfig.h
14264 and system.h, unless GCC_VERSION >= 3001. Do not include
14265 gensupport.h in any case.
14266 (write_conditions): Generate a definition of struct c_test. Add
14267 a comment to the generated #endif.
14268 (write_one_condition): Escape backslashes in string too.
14269 (write_writer): Generated code must escape backslashes and quote
14270 marks (but not newlines) in the strings it writes.
14271 * Makefile.in (build/gencondmd.o): Update dependencies.
14273 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14276 * Makefile.in (insn-automata.o): Add header file dependencies.
14277 * genautomata.c: Add includes.
14279 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14282 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14284 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14286 * configure.ac: Expect target tools paths to be passed from the toplevel
14287 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14289 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14291 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14294 * c.opt (Wpointer-sign): Init to -1.
14295 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14296 OPT_pedantic, to 0 otherwise.
14297 * doc/invoke.texi: Update.
14299 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14301 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14302 constants provided by 80387 instructions in the destination mode.
14304 2006-01-26 Richard Guenther <rguenther@suse.de>
14305 Andrew Pinski <pinskia@physics.uc.edu>
14308 partial PR tree-opt/17064
14309 * tree-ssa-structalias.c (intra_create_variable_infos):
14310 Create heap variables for incoming parameters if
14311 flag_argument_noalias > 1.
14312 (find_what_p_points_to): Look through default defs of
14315 2006-01-26 Jeff Law <law@redhat.com>
14318 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14319 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14320 within the VR_RANGE, use the VR_RANGE as the result, not the
14322 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14323 bounds for the type.
14325 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14327 * tree-ssa-alias.c (maybe_create_global_var): Change
14328 subvar walking to an assertion that we don't have subvar'd variables.
14330 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14333 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14334 Use a new variable, inner. PARM_DECLs are always non-weak.
14336 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14338 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14339 --disable-checking.
14341 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14343 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14345 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14347 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14348 (smax_insn, smin_insn, smax_0, smin_0): New.
14350 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14353 * config/cris/cris.c (cris_order_for_addsi3): New function.
14354 * config/cris/cris-protos.h: Prototype it.
14355 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14356 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14357 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14358 (split for "op.S1 [rx=rx+i],ry (swapped)")
14359 (split for "op(s|u).S1 [rx=rx+i],ry")
14360 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14361 Apply cris_order_for_addsi3 when generating addsi3 insns.
14363 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14365 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14366 (TREE_BLOCK): Add call to EXPR_CHECK.
14368 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14371 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14372 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14373 (dump_omp_clauses): ... here.
14374 (dump_generic_node): Handle OMP_CLAUSE.
14375 * tree.c (omp_clause_num_ops): New.
14376 (omp_clause_code_name): New.
14377 (tree_code_size): Handle OMP_CLAUSE.
14378 (tree_size): Likewise.
14379 (make_node): Document handling of OMP_CLAUSE.
14380 (tree_node_structure): Handle OMP_CLAUSE.
14381 (omp_clause_check_failed): New.
14382 (omp_clause_range_check_failed): New.
14383 (omp_clause_operand_check_failed): New.
14384 (build_omp_clause): New.
14385 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14386 * tree.h (enum omp_clause_code): Declare.
14387 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14388 (OMP_CLAUSE_RANGE_CHECK): Define.
14389 (OMP_CLAUSE_ELT_CHECK): Define.
14390 (omp_clause_check_failed): Declare.
14391 (omp_clause_operand_check_failed): Declare.
14392 (omp_clause_range_check_failed): Declare.
14393 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14394 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14395 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14396 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14397 (OMP_CLAUSE_IF_EXPR): Likewise.
14398 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14399 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14400 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14401 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14402 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14403 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14404 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14405 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14406 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14407 (OMP_CLAUSE_CODE): Define.
14408 (OMP_CLAUSE_SET_CODE): Define.
14409 (OMP_CLAUSE_CODE): Define.
14410 (OMP_CLAUSE_OPERAND): Define.
14411 (struct tree_omp_clause): Declare.
14412 (union tree_node): Add field 'omp_clause'.
14413 * treestruct.def (TS_OMP_CLAUSE): Define.
14414 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14415 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14416 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14417 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14418 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14419 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14420 (OMP_CLAUSE): Define.
14421 * print-tree.c (print_node): Handle OMP_CLAUSE.
14422 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14423 * c-typeck.c: Likewise.
14424 * gimplify.c: Likewise.
14425 * c-omp.c: Likewise.
14426 * tree-nested.c: Likewise.
14427 * tree-inline.c: Likewise.
14428 * c-parser.c: Likewise.
14429 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14432 2006-01-25 Roger Sayle <roger@eyesopen.com>
14434 PR rtl-optimization/25703
14435 * combine.c (try_combine): Handle zero_extract and strict_low_part
14436 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14438 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14440 * global.c: Fix comment typos.
14442 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14445 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14446 Use output_addr_const instead of assemble_name.
14448 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14450 * Makefile.in (sched-vis.o): Update dependencies.
14451 * haifa-sched.c (sched_finish): Clear current_sched_info.
14452 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14453 (dump_flow_info): Call it.
14454 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14456 * basic-block.h (dump_bb_info): Declare.
14457 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14458 option, and apply options only for dump files whose TDF_RTL,
14459 TDF_TREE, or TDF_IPA bits match.
14460 * rtl.h: Declare new functions exported from sched-vis.c.
14461 * sched-vis.c: Enable also if scheduling is not used.
14462 (print_value): Print the mode of registers if not inside scheduling.
14463 (print_insn): Make it work outside the scheduler. Beautify the output
14465 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14467 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14469 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14470 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14471 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14472 depending on the value of CONSTANT_POOL_ADDRESS_P.
14473 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14475 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14476 rather than SYMBOL_REF_DECL.
14477 (rtx_constant_pool): Remove const_rtx_sym_htab.
14478 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14479 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14480 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14481 Remove handling of const_rtx_sym_htab.
14482 (find_pool_constant): Delete.
14483 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14484 rather than find_pool_constant.
14485 (get_pool_constant_for_function): Delete.
14486 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14487 find_pool_constant.
14488 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14489 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14490 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14491 (SYMBOL_REF_CONSTANT): New macro.
14492 (get_pool_constant_for_function): Delete.
14493 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14494 rather than SYMBOL_REF_DECL.
14495 (i386_pe_mark_dllimport): Likewise.
14496 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14497 rather than SYMBOL_REF_DECL.
14498 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14499 (machopic_indirect_call_target): Likewise.
14501 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14503 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14505 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14507 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14509 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14511 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14513 2006-01-24 David Daney <ddaney@avtrex.com>
14516 * configure.ac (enable_tls): New enable option.
14517 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14518 * configure: Regenerate.
14519 * doc/install.texi (--enable-tls): Document new option.
14520 (--disable-tls): Ditto.
14522 2006-01-24 Richard Henderson <rth@redehat.com>
14524 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14525 * alias.c (true_dependence): Respect it.
14526 (canon_true_dependence, write_dependence_p): Likewise.
14527 * builtins.c (get_builtin_sync_mem): Set it.
14529 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14531 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14534 2006-01-24 DJ Delorie <dj@redhat.com>
14536 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14537 for storing constants in single-bit bitfields.
14539 2006-01-25 Ben Elliston <bje@au.ibm.com>
14541 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14543 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14546 * tree-ssa-pre.c (phi_translate): Return NULL
14547 for AGGREGATE_TYPE's.
14549 2006-01-24 Zack Weinberg <zackw@panix.com>
14551 * genautomata.c (process_state_for_insn_equiv_partition):
14552 Use xcalloc for insn_arcs_array.
14553 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14554 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14556 2006-01-24 Richard Henderson <rth@redhat.com>
14558 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14559 update all callers.
14561 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14563 PR rtl-optimization/25890
14564 PR rtl-optimization/25905
14565 * combine.c (expand_compound_operation, expand_field_assignment):
14566 Fail if the bitfield's final position is out of bounds.
14568 2006-01-24 Ian Lance Taylor <ian@airs.com>
14570 PR middle-end/25930
14571 * cgraphunit.c (cgraph_output_in_order): Don't clear
14572 cgraph_asm_nodes until after asm strings have been output.
14574 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14576 * fix-header.c (read_scan_file): Add new parameter imultilib when
14577 calling register_include_chains.
14579 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14581 * omp-low.c: Update documentation.
14583 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14584 Daniel Berlin <dberlin@dberlin.org>
14588 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14589 return from the function.
14591 2006-01-22 Zack Weinberg <zackw@panix.com>
14593 * rtl.def (match_code): Add second argument.
14594 * genpreds.c (write_extract_subexp): New function.
14595 (write_match_code): Add path argument. Use write_extract_subexp.
14596 (write_predicate_expr): Pass path to write_match_code.
14597 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14598 not perform a mode test.
14599 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14600 a subexpression does not constrain the top-level code set.
14601 * read-rtl.c (read_rtx_variadic): New function.
14602 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14603 * doc/md.texi: Document new notation.
14604 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14605 (cmpsi_operand): ... here, using new notation.
14607 2006-01-22 Zack Weinberg <zackw@panix.com>
14609 * varray.c: Remove GENERATOR_FILE #ifdefs.
14611 2006-01-22 Zack Weinberg <zackw@panix.com>
14613 * genautomata.c (output_reserved_units_table): Emit nothing if
14614 description->query_units_num is zero. Remove extra blank line.
14615 (output_cpu_unit_reservation_p): Short circuit
14616 if description->query_units_num is zero.
14618 2006-01-22 Zack Weinberg <zackw@panix.com>
14620 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14621 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14622 nor any of the random handful of variables that used to be necessary
14623 when this program was linked with rtlanal.o. Prune set of forward
14624 function declarations.
14625 (struct attr_desc): Remove static_p field.
14626 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14627 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14628 (attr_string): Do not read the character one past the length of
14630 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14631 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14632 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14633 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14634 (make_automaton_attrs): New.
14635 (main): Do not call into genautomata. Call local gen_bypass
14636 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14637 Remove special case for insn_alts.
14638 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14639 varray.h (leftover from previous change). Prune set of forward
14640 function declarations. Remove state_alts fields from all
14641 structures. Remove state_alts_table from struct automaton.
14642 Make everything except main static. Do not maintain num_dfa_decls.
14643 Do not maintain state_alts fields of various structures.
14644 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14645 (add_arc): Remove state_alts argument. All callers updated.
14646 (output_reserved_units_table): Emit #ifdef here...
14647 (output_tables): ...not here. Don't generate state_alts tables.
14648 (expand_automata): Don't generate attributes.
14649 (write_automata): Don't generate state_alts functions.
14650 (main): New function.
14651 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14652 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14653 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14654 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14655 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14656 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14657 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14658 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14660 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14661 * genattrtab.h: Delete file.
14662 * Makefile.in (OBJS-common): Add insn-automata.o.
14663 (insn-automata.o): New rule.
14664 (simple_generated_c): Add insn-automata.c.
14665 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14666 (genprogmd): Add automata.
14667 (build/genattrtab): Needs no extra objects nor libraries.
14668 (build/genautomata): Needs build/vec.o and -lm.
14670 2006-01-22 Zack Weinberg <zackw@panix.com>
14672 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14673 (output_dfa_max_issue_rate, locked_states_num): Delete.
14674 (struct automaton): Add locked_states field.
14675 (output_dead_lock_vect): Save number of locked states in
14676 automaton->locked_states. If it is zero, don't print anything.
14677 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14678 (output_internal_dead_lock_func): Only test the dead_lock_vect
14679 for automata that have locked states.
14680 (output_statistics): Always print the number of locked states for
14681 each automaton. Calculate total number of locked states here.
14682 (write_automata): Don't call output_dfa_max_issue_rate.
14683 * genattrtab.c: Define length_unit_log as a const variable.
14684 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14685 max_insn_queue_index const.
14686 * final.c (length_unit_log): Declare const.
14687 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14689 2006-01-22 Zack Weinberg <zackw@panix.com>
14691 * genautomata.c: Include vec.h, not varray.h.
14692 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14693 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14694 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14695 VEC_* macros operating on appropriately typed vectors, or to
14696 malloced arrays when the size is known in advance. Const-ify
14697 many char* variables and function arguments. No functional changes.
14698 * Makefile.in (build/varray.o): Delete rule.
14699 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14700 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14702 2006-01-22 Zack Weinberg <zackw@panix.com>
14704 * gensupport.c: Define get_insn_name and record_insn_name here.
14705 (read_md_rtx): Call record_insn_name as appropriate.
14706 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14707 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14708 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14710 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14711 (BUILD_VARRAY): Delete.
14712 (genprognormal): Rename genprogmd. Fold in all programs from
14713 genprognoprint; also attrtab.
14714 (build/genattrtab): Just mention genautomata.o and varray.o.
14715 Reorganize a bit, add comments to make the categories clearer.
14717 2006-01-22 Zack Weinberg <zackw@panix.com>
14719 * genconditions.c (condition_table, add_condition): Delete.
14720 (write_conditions): Don't emit n_insn_conditions nor
14721 insn_elision_unavailable. Issue the gcc version #ifdef here,
14722 inside the table, with no #else clause ...
14723 (write_header): ...not here.
14724 (write_writer): New function.
14725 (main): Don't initialize condition_table. Use add_c_test.
14727 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14728 files on the command line.
14729 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14730 Return -1 if there is no entry in the table, don't abort.
14731 (add_c_test, traverse_c_tests): New functions.
14732 * gensupport.h (insn_elision_unavailable, insn_conditions)
14733 (n_insn_conditions): Delete declarations.
14734 (add_c_test, traverse_c_tests): Declare.
14735 * read-rtl.c: Include gensupport.h.
14736 (read_conditions): New function.
14737 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14738 (read_rtx_1): If we get EOF when we were looking for an initial
14739 open paren, return 0. Call read_conditions when appropriate.
14740 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14741 dummy-conditions.o. Eliminate references to insn-conditions.o,
14742 or change them to build/gencondmd.o, as appropriate. Remove
14743 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14744 from $(simple_generated_c). For all files remaining in those
14745 two lists, add insn-conditions.md to the generator command line.
14746 Give insn-constants.h/s-constants their own rules. Add rules
14747 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14748 (build/read-rtl.o): Depend on gensupport.h.
14749 (genprognormal): Include preds.
14750 (genprogearly): Rename genprognoprint; only difference is now that
14751 they don't link with $(BUILD_PRINT).
14752 * dummy-conditions.c: Delete.
14754 2006-01-22 Zack Weinberg <zackw@panix.com>
14756 * genextract.c: Don't include insn-config.h. Do include vec.h.
14757 Declare vectors of int, char, and locstr.
14758 (locstr): New typedef.
14759 (struct extraction): Make all array fields into bare pointers.
14760 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14761 (insn_code_number): Delete.
14762 (accum_extract): New struct.
14763 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14764 (gen_insn): Take insn_code_number as an argument. Use an
14765 accum_extract structure instead of loading data directly into
14766 a struct extraction, and having to know how big it might get.
14767 (walk_rtx): Operate entirely on an accum_extract structure.
14768 (print_path): Avoid unnecessary use of printf.
14769 (print_header): New function, split out of main. Distinguish
14770 more carefully between an unrecognizable insn and an insn that
14771 has the code number of a define_expand.
14772 (main): Pass insn_code_number to gen_insn. Call print_header
14773 only after parsing. Avoid unnecessary use of printf.
14774 * Makefile.in (build/vec.o): New rule.
14775 (build/genextract): Depend on build/vec.o.
14776 (build/genextract.o): Don't depend on insn-config.h.
14778 2006-01-22 Zack Weinberg <zackw@panix.com>
14780 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14781 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14782 practical. Eliminate per-generator-program link rules.
14784 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14786 PR middle-end/24437
14787 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14788 with a call expr to ...
14789 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14791 2006-01-23 Richard Guenther <rguenther@suse.de>
14793 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14794 before make_edge with conditional EDGE_TRUE_VALUE.
14796 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14797 Jan Hubicka <jh@suse.cz>
14798 Richard Guenther <rguenther@suse.de>
14800 PR rtl-optimization/25654
14801 * cfgexpand.c (aggregate_contains_union_type): New function.
14802 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14803 for structure variables that contain a union type.
14805 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14807 * gengtype.c (new_structure): Return the structure.
14808 (create_option): Add an extra "next" argument.
14809 (create_field): New function.
14810 (adjust_field_rtx_def): Use create_option and create_field.
14811 Remove a now-unnecessary call to find_structure.
14812 (adjust_field_tree_def): Likewise.
14813 (note_yacc_type): Remove an unnecessary call to find_structure.
14814 * gengtype.h (new_structure): Return the structure.
14815 (create_option): Add an extra argument.
14816 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14817 (option): Adjust calls to create_option.
14819 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14821 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14823 2006-01-22 Paul Brook <paul@codesourcery.com>
14824 Peter Barada <peter@the-baradas.com>
14826 * config/m68k/m68k.md: Add Coldfire FPU support.
14827 Define FP mode macro and associated attributes.
14828 Use it for float mode patterns.
14829 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14830 (LIBCALL_VALUE): Use m68k_libcall_value.
14831 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14832 (m68k_function_value): Ditto.
14833 (emit_move_sequence): Ditto.
14834 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14835 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14836 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14837 (MULTILIB_EXCEPTIONS): Ditto.
14838 * config/m68k/m68k.opt: Add mcfv4e.
14839 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14840 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14841 (m68k_output_function_prologue): Save ColdFire FPU registers.
14842 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14843 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14844 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14845 ColdFire FPU registers.
14846 (m68k_libcall_value, m68k_function_value): New functions.
14847 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14848 (LIBCALL_VALUE): Use m68k_libcall_value.
14849 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14850 (MASK_COLDFIRE): Add MASK_CFV4E.
14851 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14852 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14853 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14854 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14855 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14856 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14857 * doc/invoke.tex: Document -mcfv4e on m68k.
14859 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14861 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14864 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14867 * c-opts.c (c_common_handle_option): Don't include
14868 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14869 * doc/invoke.texi (C++ Dialect Options): Document that
14870 -Wnon-virtual-dtor is no longer included in -Wall.
14872 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14874 * gcov.c (print_version), gcov-dump.c (print_version),
14875 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14878 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14880 * df-scan.c (problem_SCAN): Added NULL reset function.
14881 (df_scan_reset_blocks): Added code to call reset block function
14882 (df_bb_refs_delete) Fixed comment.
14883 (df_insn_refs_delete): Made tolerant of deleting non existent info
14884 for dataflow problems that need to be reset.
14885 * df-core.c (df_set_blocks): Ditto.
14886 * df.h (struct df_problem): Added reset_fun.
14887 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14888 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14889 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14890 functions to clear out all references to def-use or use-def chains.
14892 2006-01-21 Ben Elliston <bje@au.ibm.com>
14894 * varasm.c (assemble_real): Initialise data array.
14896 2006-01-20 Paul Brook <paul@codesourcery.com>
14898 Merge from csl-arm-branch.
14899 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14900 * config/arm/arm.md (movdi): Force operands[1] to a register
14901 if we have a non-register source.
14902 (*arm_movdi, *movdf_soft_insn): Require that one of the
14903 operands be a register.
14904 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14905 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14907 2006-01-20 DJ Delorie <dj@redhat.com>
14909 * varasm.c (initializer_constant_valid_p): Allow pointers
14910 initialized from integer constants of lesser precision.
14911 (output_constant): Allow non-int-sized pointer modes to be
14912 initialized from integer constants.
14914 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14917 * cppdefault.h (struct default_include): Add multilib flag.
14918 * cppdefault.c (cpp_include_defaults): Set it.
14919 * c.opt (-imultilib): New option.
14920 * c-opts.c (imultilib): New.
14921 (c_common_handle_option): Handle -imultilib.
14922 (c_common_post_options): Likewise.
14923 * c-incpath.c (add_standard_paths, register_include_chains):
14925 * c-incpath.h (register_include_chains): Add extra parameter.
14926 * gcc.c (do_spec_1): Generate -imultilib option.
14927 (The Specs Language): Update %I description.
14928 (process_command): Update copyright notice.
14929 * doc/cppopts.texi (-imultilib): Document.
14930 * doc/invoke.texi (-imultilib): Include in option summary.
14931 (%I): Update specs documentation.
14933 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14935 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14937 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14939 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14942 2006-01-20 Richard Guenther <rguenther@suse.de>
14943 Steven Bosscher <stevenb.gcc@gmail.com>
14945 PR rtl-optimization/24626
14946 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14947 EDGE_TRUE_VALUE if in RTL mode.
14950 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14951 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14953 2006-01-20 Dirk Mueller <dmueller@suse.com>
14956 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14957 instead of a special NOP marker.
14958 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14959 NOP marker handling.
14960 * c-common.h (empty_body_warning): Add forward declaration.
14961 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14962 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14964 2006-01-20 Paul Brook <paul@codesourcery.com>
14966 * Makefile.in (lang_checks): Keep going if mkdir fails.
14968 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14970 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14971 be able to clean out basic block when not necessary.
14972 (df_scan_free): Fixed to properly delete information if df is
14973 unused before calling df_finish.
14974 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14975 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14977 (df_bb_refs_delete): New function.
14978 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14979 * df-core.c (df_set_blocks): Added code to properly clean out
14980 unused blocks if they are not part of the blocks to consider.
14981 Added additional null check.
14982 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14983 be able to clean out basic block when not necessary
14984 * df.h (df_free_bb_function): Ditto.
14985 (df_bb_refs_delete): New function.
14986 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14987 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14988 basic block parameter to be able to clean out basic block when not
14990 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14991 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14992 Fixed to properly delete information if df is unused before
14995 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14997 PR rtl-optimization/25799
14998 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14999 Corrected confluence operator to remove bits from op2 before oring
15000 with op1 rather than removing bits from op1.
15001 (df_ru_transfer_function): Corrected test on wrong bitmap which
15002 caused infinite loop. Both of these problems were introduced in
15003 the dataflow rewrite.
15005 2006-01-19 DJ Delorie <dj@redhat.com>
15007 * reload1.c (find_reload_regs): Note the details of reload
15008 failures in the dump file.
15009 (spill_failure): Likewise.
15011 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15013 * loop-iv.c: Include df.h and hashtab.h.
15014 (enum iv_grd_result): New enum.
15015 (DF_REF_IV, DF_REF_IV_SET): New macros.
15016 (struct biv_entry): New.
15017 (df, bivs): New global variables.
15018 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15019 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15021 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15022 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15023 analyzed_for_bivness_p, record_biv): New functions.
15024 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15025 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15026 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15028 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15030 (iv_number_of_iterations): Use new interface to iv analysis.
15031 * loop-unroll.c: Do not include varray.h.
15032 (analyze_iv_to_split_insn): Use new interface to iv
15034 * loop-unswitch.c (may_unswitch_on): Ditto.
15035 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15037 (df_bb_modify): Realloc tables to the new index.
15038 (df_find_use): New function.
15039 * df.h (df_find_use): Declare.
15040 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15042 * cfgloop.h (struct rtx_iv): Remove analysed field.
15043 (iv_get_reaching_def): Removed.
15044 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15045 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15046 (loop-iv.o): Add df.h and hashtab.h dependency.
15047 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15049 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15052 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15054 (__floatundisf, __floatundidf): Likewise.
15055 * libgcc2.h (IS_IBM_EXTENDED): Define.
15057 2006-01-19 DJ Delorie <dj@redhat.com>
15059 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15061 2006-01-19 Paul Brook <paul@codesourcery.com>
15063 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15064 as nothrow when unwinding tables are disabled.
15066 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15069 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15070 of bit-field" when in system header.
15072 2006-01-19 DJ Delorie <dj@redhat.com>
15074 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15075 the 16 bit shift limit of the m16c.
15077 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15080 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15081 * config/i386/i386.c (output_set_got): Output the label if we have one
15082 for the TARGET_DEEP_BRANCH_PREDICTION case.
15084 2006-01-19 Jan Hubicka <jh@suse.cz>
15085 H.J. Lu <hongjiu.lu@intel.com>
15086 Evandro Menezes <evandro.menezes@amd.com>
15088 * invoke.texi (generic): Document
15090 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15091 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15092 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15093 (x86_use_incdec, x86_pad_returns): New variables
15094 (TARGET_CPU_DEFAULT_generic): New constant
15095 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15096 (enum processor_type): Add generic32 and generic64.
15097 * i386.md (cpu attribute): Add generic32/generic64
15098 (movhi splitter): Behave sanely when both partial_reg_dependency and
15099 partial_reg_stall are set.
15100 (K8 splitters): Enable for generic as well.
15101 * predicates.md (incdec_operand): Use TARGET_INCDEC
15102 (aligned_operand): Avoid memory mismatch stalls.
15103 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15104 * ppro.md: Enable for generic32
15105 * i386.c (generic64_cost, generic32_cost): New.
15106 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15107 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15108 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15109 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15110 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15111 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15112 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15113 x86_accumulate_outgoing_args, x86_prologue_using_move,
15114 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15115 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15116 Enable for generic.
15117 (x86_use_incdec, x86_pad_returns): New.
15118 (override_options): Add generic32 and generic64, translate "generic"
15119 to generic32/generic64 and "i686" to "generic32", refuse
15120 "generic32"/"generic64" as arch target.
15121 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15122 (ix86_reorg): Honor PAD_RETURNS.
15124 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15126 * tree-pretty-print.c (dump_generic_node): Handle
15127 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15128 * cgraph.c (cgraph_expand_queue): Rename from
15129 cgraph_analyze_queue. Update all users.
15130 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15131 cgraph_expand_queue.
15132 (cgraph_expand_all_functions): Likewise.
15133 (cgraph_finalize_pending_functions): Remove. Update callers.
15135 * tree.h (OMP_DIRECTIVE_P): Define.
15136 (OMP_PARALLEL_FN): Define.
15137 (OMP_PARALLEL_DATA_ARG): Define.
15138 (OMP_SECTIONS_SECTIONS): Define.
15139 * tree-pass.h (pass_expand_omp): Declare.
15140 * omp-low.c (struct omp_region): Declare.
15141 (struct omp_context): Remove fields 'parallel_type',
15142 'parallel_start_ix' and 'parallel_start_additional_args'.
15144 (struct omp_for_data): Rename from struct expand_omp_for_data.
15145 (omp_regions): New static variable.
15146 (root_omp_region): New static variable.
15147 (find_omp_clause): Make static.
15148 (is_in_combined_parallel_ctx): Remove.
15149 (is_combined_parallel): New.
15150 (extract_omp_for_data): Move earlier in the file.
15151 (workshare_safe_to_combine_p): New.
15152 (get_ws_args_for): New.
15153 (determine_parallel_type): Move earlier in the file.
15154 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15156 (omp_copy_decl): Likewise.
15157 (create_omp_child_function): Likewise.
15158 (lookup_omp_region): New.
15159 (dump_omp_region): New.
15160 (debug_omp_region): New.
15161 (debug_all_omp_regions): New.
15162 (new_omp_region): New.
15163 (scan_omp_parallel): If parallel_nesting_level > 1, the
15164 directive is nested within another parallel directive.
15165 Set OMP_PARALLEL_FN.
15166 (scan_omp_for): Do not try to handle combined parallel+for
15168 Remove FIXME comment.
15169 (scan_omp_nested): Remove.
15170 (scan_omp_1): Do not call scan_omp_nested when
15171 parallel_nesting_level is > 1.
15172 Do not change the DECL_CONTEXT of local variables found.
15173 (lookup_decl_in_outer_ctx): New.
15174 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15175 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15176 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15177 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15178 If CTX is nested, lookup VAR in the outer context when
15179 building copy assignment.
15180 (lower_send_clauses): Rename from expand_send_clauses.
15181 If CTX is nested, lookup VAR in the outer context when
15182 building copy assignments.
15183 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15184 If CTX is nested, lookup VAR in the outer context when
15185 building copy assignments.
15186 (expand_parallel_call): Rename from build_parallel_call.
15187 Handle combined parallel+workshare cases.
15188 Re-implement to emit code into the CFG.
15190 (expand_omp_parallel): Re-implement to emit code into the CFG.
15191 Call move_sese_region_to_fn to outline the sub-graph
15192 containing the parallel region.
15193 (expand_omp_for_1): Remove.
15194 (expand_omp_for_generic): Re-implement to emit code into the
15196 (expand_omp_for_static_nochunk): Likewise.
15197 (expand_omp_for_static_chunk): Likewise.
15198 (expand_omp_for): Likewise.
15199 (expand_omp_sections): Likewise.
15200 (remove_exit_barriers): New.
15201 (expand_omp_synch): New.
15203 (build_omp_regions_1): New.
15204 (build_omp_regions): New.
15205 (execute_expand_omp): New.
15206 (gate_expand_omp): New.
15207 (pass_expand_omp): Define.
15208 (lower_omp_sections): Rename from expand_omp_sections.
15209 Set OMP_SECTIONS_SECTIONS.
15210 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15211 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15212 (lower_omp_single): Rename from expand_omp_simple.
15213 (lower_omp_master): Rename from expand_omp_master.
15214 (lower_omp_ordered): Rename from expand_omp_ordered.
15215 (lower_omp_critical): Rename from expand_omp_critical.
15216 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15217 (lower_omp_for): Re-implement.
15218 (lower_omp_parallel): Re-implement.
15219 (lower_regimplify): Rename from expand_regimplify.
15220 (lower_omp_1): Rename from expand_omp_1.
15221 If there are syntax errors in the program, replace every
15222 OpenMP directive with NOP.
15223 Call lower_omp_* instead of expand_omp_*.
15224 (lower_omp): Rename from expand_omp.
15226 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15227 * tree-gimple.h (enum omp_parallel_type): Remove.
15228 (gimple_boolify): Declare extern.
15229 (find_omp_clause, determine_parallel_type): Remove.
15231 * gimple-low.c (lower_omp_directive): New.
15232 (lower_stmt): Call it.
15233 (record_vars_into): Move from ...
15234 (record_vars): ... here.
15235 Call record_vars_into with current_function_decl.
15237 * gimplify.c (struct gimplify_ctx): Remove fields
15238 combined_pre_p and combined_ctxp. Update users.
15239 (get_formal_tmp_var): Add documentation.
15240 (gimple_boolify): Make extern.
15241 (gimplify_expr_in_ctx): Remove. Update callers.
15242 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15243 will always be a BIND_EXPR.
15244 (gimplify_expr): Handle OMP_RETURN_EXPR.
15245 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15246 (OMP_PARALLEL): Add 3 operands.
15247 (OMP_SECTIONS): Add 1 operand.
15248 (OMP_RETURN_EXPR): Define.
15250 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15251 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15252 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15253 creating a circular free list.
15254 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15256 * tree-flow.h (move_sese_region_to_fn): Declare.
15257 (record_vars_into): Declare.
15258 * tree-cfg.c (make_omp_sections_edges): New.
15259 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15260 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15261 OMP_SECTIONS and OMP_SECTION.
15262 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15263 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15264 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15265 (gather_blocks_in_sese_region): New.
15266 (struct move_stmt_d): Declare.
15267 (move_stmt_r): New.
15268 (move_block_to_fn): New.
15269 (move_sese_region_to_fn): New.
15271 * passes.c (init_optimization_passes): Schedule
15272 pass_expand_omp after pass_init_datastructures.
15274 * tree-ssa-operands.c (get_expr_operands): Handle
15275 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15276 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15278 2006-01-19 Jeff Law <law@redhat.com>
15280 * tree-vrp.c (extract_range_from_assert): Refine the result range
15281 if the variable referenced by the ASSERT_EXPR has a range and
15282 either the tentative result range or the previous range is a
15285 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15287 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15289 2006-01-19 Jan Hubicka <jh@suse.cz>
15291 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15293 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15295 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15296 (expand_compound_operation, expand_field_assignment): Fail if the
15297 bit lengths of an extract operation are out of range.
15298 (make_extraction): Compute wanted_inner_mode based on the position
15299 and length of the extraction. Make it extraction_mode for non-constant
15300 positions, and do not modify offset in that case. When generating a
15301 new MEM, use a mode that can hold the extraction while keeping correct
15302 alignment. Remove code that supported MEMs wrapped by USEs.
15303 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15305 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15307 * config/s390/s390.md ("Y", "y"): New mode attribute.
15308 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15309 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15310 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15311 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15312 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15313 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15314 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15315 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15316 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15317 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15318 "addsi3", "subsi3"): Insn patterns removed.
15319 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15320 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15321 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15322 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15323 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15324 "*sub<mode>3_cconly2"): New insn patterns.
15325 ("addsi3", "subsi3"): New expanders.
15327 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15329 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15330 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15331 existing STMT_VINFO_VECTYPE if available.
15332 (vect_mark_relevant): Add special handling for stmts that are
15333 marked as STMT_VINFO_IN_PATTERN_P.
15334 (vect_analyze_loop): Call vect_pattern_recog.
15335 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15336 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15338 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15339 (vect_recog_func_ptr): New function-pointer type.
15340 * tree-vect-patterns.c: New file.
15341 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15342 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15343 (vect_pattern_recog_1): New functions.
15344 (vect_pattern_recog_funcs): New array of function pointers.
15346 * tree-vectorizer.h (ternary_op): New enum value.
15347 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15348 declaration. Revised documentation. Removed redundant dump prints.
15349 Removed redundant argument. Added support for reduction patterns.
15350 (vectorizable_reduction): Added support for reduction patterns.
15351 (vect_transform_stmt): Added support for patterns.
15353 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15354 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15355 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15356 (expand_widen_pattern_expr): New function.
15357 (init_optabs): Initialize new optabs udot_prod_optab,
15359 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15360 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15361 (expand_widen_pattern_expr): New function declaration.
15362 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15364 * tree-inline.c (estimate_num_insns_1): Added cases for new
15365 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15366 * tree-pretty-print.c (dump_generic_node): Likewise.
15367 (op_prio): Likewise.
15368 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15369 * tree-ssa-operands.c (get_expr_operands): Added case for
15371 * tree-vect-patterns.c (widened_name_p): New function.
15372 (vect_recog_dot_prod_pattern): Added function implementation.
15373 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15374 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15375 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15376 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15378 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15379 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15380 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15381 (init_optabs): Initialize new optabs widen_ssum_optab,
15383 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15384 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15385 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15386 use instead of type of def.
15387 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15388 function implementation.
15389 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15390 widen_ssumv8hi): New.
15392 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15395 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15398 * c-decl.c (add_flexible_array_elts_to_size): New function.
15399 (finish_decl): Use it.
15401 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15403 * diagnostic.h: Include options.h.
15404 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15405 dependancies for diagnostic.h.
15406 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15408 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15410 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15411 (ssa_ro_call_cache_valid): Ditto.
15412 * tree-ssa-alias.c (sort_tags_by_id): New function.
15413 (init_transitive_clobber_worklist): Ditto.
15414 (add_to_worklist): Ditto.
15415 (mark_aliases_call_clobbered): Ditto.
15416 (compute_tag_properties): Ditto.
15417 (set_initial_properties): Ditto.
15418 (compute_call_clobbered): Ditto.
15419 (compute_may_aliases): Call compute_call_clobbered and grouping.
15420 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15421 (compute_flow_insensitive_aliasing): Grouping now happens in our
15423 (setup_pointers_and_addressables): Remove clobbering related code.
15424 (add_may_alias): Ditto.
15425 (replace_may_alias): Ditto.
15426 (get_nmt_for): Ditto.
15427 (create_global_var):
15428 (is_escape_site): Return an escape_type enumeration.
15429 * tree-flow-inline.h (is_call_clobbered): Global var does not
15430 imply call clobbered.
15431 (mark_call_clobbered): Take a reason for marking this. Remove
15432 marking of globalness, and cache invalidation.
15433 (clear_call_clobbered): Remove cache invalidation code.
15434 * tree-dfa.c (dump_variable): If details is on, dump the reason
15436 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15438 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15439 (struct var_ann_d): Ditto.
15440 (enum escape_type): New.
15441 (mark_call_clobbered): Adjust prototype.
15442 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15443 are never call clobbered.
15444 Record reasons for escaping.
15445 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15446 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15447 (ssa_ro_call_cache_valid): Ditto.
15448 (clobbered_v_may_defs): Ditto.
15449 (clobbered_vuses): Ditto.
15450 (ro_call_vuses): Ditto.
15451 (clobber_stats): New.
15452 (init_ssa_operands): Zero out clobber stats.
15453 (fini_ssa_operands): Print out clobber stats.
15454 (get_call_expr_operands): Pass callee fndecl to
15455 add_call_read_ops).
15456 (add_call_clobber_ops): Remove use of cache.
15457 Add use of PURE_CONST information.
15458 (add_call_read_ops): Remove use of cache.
15459 Add use of static not_read information.
15461 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15463 Introduce TLS descriptors for i386 and x86_64.
15464 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15465 (TARGET_ANY_GNU_TLS): New macro.
15466 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15467 (struct machine_function): Add tls_descriptor_call_expanded_p.
15468 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15469 (ix86_current_function_calls_tls_descriptor): Likewise.
15470 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15471 (override_options): Introduce gnu2 tls dialect.
15472 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15474 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15476 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15477 (ix86_init_machine_status): Initialize new field.
15478 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15479 (ix86_tls_module_base): New.
15480 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15481 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15482 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15483 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15484 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15485 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15486 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15487 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15488 * config/i386/predicates.md (tls_modbase_operand): New.
15489 (tp_or_register_operand): New.
15491 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15493 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15494 (look_for_address_of): Ditto.
15495 (ipa_init): Walk the function decls.
15496 (static_execute): Don't set readonly on FUNCTION_DECL's.
15498 2006-01-18 Roger Sayle <roger@eyesopen.com>
15500 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15501 for shifts where the source and destination registers are different.
15503 2006-01-18 Paul Brook <paul@codesourcery.com>
15505 Merge from csl-arm-branch.
15506 2005-03-14 Julian Brown <julian@codesourcery.com>
15507 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15508 (aeabi_llsl): Likewise.
15509 (ashrdi3): Likewise.
15510 (aeabi_lasr): Likewise.
15511 (lshrdi3): Likewise.
15512 (aeabi_llsr): Likewise.
15513 2005-03-10 Julian Brown <julian@codesourcery.com>
15514 * config.gcc: Disable shared libgcc for SymbianOS.
15515 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15517 2006-01-18 DJ Delorie <dj@redhat.com>
15519 * c-pragma.c (handle_pragma_diagnostic): New.
15520 (init_pragma): Register it.
15521 * doc/extend.texi: Document it.
15523 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15524 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15525 (diagnostic_context): Add classify_diagnostic[].
15526 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15527 as errors if they're overridden to DK_WARNING.
15528 (diagnostic_initialize): Initialize classify_diagnostic[].
15529 (diagnostic_set_kind_override): New.
15530 (diagnostic_report_diagnostic): Check for kind changes.
15531 * opts.c (common_handle_option): Take lang_mask. Update callers.
15532 Handle OPT_Werror_.
15533 * common.opt (Werror=): New.
15534 * doc/invoke.texi: Document -Werror=*
15536 2006-01-18 Jeff Law <law@redhat.com>
15538 * tree-vrp.c (test_for_singularity): Correct test for new
15539 min limit. Use operand_equal_p rather than pointer equality
15540 for testing if new min/max values are equal.
15542 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15543 using range information until after propagation and folding.
15545 2006-01-18 Richard Henderson <rth@redhat.com>
15546 Aldy Hernandez <aldyh@redhat.com>
15547 Jakub Jelinek <jakub@redhat.com>
15548 Diego Novillo <dnovillo@redhat.com>
15550 * omp-low.c: New file.
15551 * c-omp.c: New file.
15553 2006-01-18 Richard Henderson <rth@redhat.com>
15554 Jakub Jelinek <jakub@redhat.com>
15555 Diego Novillo <dnovillo@redhat.com>
15557 * doc/invoke.texi: Document -fopenmp.
15558 * tree-dump.h (debug_function): Declare.
15559 * hooks.c (hook_bool_tree_bool_false): New function.
15560 (hook_tree_tree_null): Remove.
15561 (hook_tree_tree_tree_null): New.
15562 * hooks.h: Update to match.
15563 * tree-pretty-print.c (debug_tree_chain): New.
15564 (print_generic_expr): Handle TDF_CHAIN.
15565 (dump_generic_node): Handle BLOCK.
15566 Do not abort with incomplete SWITCH_EXPRs.
15567 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15568 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15569 print space after directive name.
15570 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15571 Handle OMP_MASTER and OMP_ORDERED.
15572 Handle printing of OMP_BODY just in one place, goto
15573 dump_omp_body in the rest of OMP_* nodes that have
15575 Don't handle clause nodes here. Update omp statements to
15576 use dump_omp_clauses.
15577 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15578 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15579 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15580 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15581 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15582 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15583 Adjust output for GOMP_PARALLEL.
15584 (dump_omp_clauses): New.
15585 (print_declaration): Dump DECL_VALUE_EXPR.
15586 (op_symbol_1): Split out of op_symbol.
15587 (dumping_stmts): Remove. Update all users.
15588 * cgraph.c (cgraph_analyze_queue): New.
15589 (cgraph_add_new_function): New.
15590 * cgraph.h (cgraph_analyze_queue): Declare.
15591 (cgraph_add_new_function): Declare.
15592 (cgraph_lower_function): Remove.
15593 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15594 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15595 and TYPE_P nodes in its default clause.
15596 (empty_body_p): New.
15597 (tree_range_check_failed): New.
15598 (build5_stat): New.
15599 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15600 OMP_CLAUSE_REDUCTION_MERGE,
15601 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15602 OMP_CLAUSE_PRIVATE_DEBUG,
15603 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15604 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15605 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15606 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15607 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15608 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15609 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15610 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15611 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15612 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15613 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15614 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15615 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15616 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15617 (TREE_RANGE_CHECK): New.
15618 (empty_body_p): Declare.
15619 (enum omp_clause_default_kind): New.
15620 (build_string_literal): Declare.
15621 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15622 (build5_stat, build5): Declare.
15623 * tree-pass.h (TDF_CHAIN): Define.
15624 * tree-pass.h (PROP_gimple_lomp): Define.
15625 (pass_lower_omp): Declare.
15626 * diagnostic.h (debug_tree_chain): Declare.
15627 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15629 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15630 * builtins.c (build_string_literal): Make extern.
15631 * gcc.c (include_spec_function): New.
15632 (static_spec_functions): Add it.
15633 (main): Move load of libgomp.spec ...
15634 (LINK_COMMAND_SPEC): ... here.
15635 (link_gomp_spec): New.
15636 (static_specs): Include it.
15637 (LINK_COMMAND_SPEC): Add link_gomp.
15638 (GOMP_SELF_SPECS): New.
15639 (driver_self_specs): Include it.
15640 (switch_matches): Don't mark inline.
15641 (main): Load libgomp.spec.
15642 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15643 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15644 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15645 * tree-gimple.h (enum omp_parallel): Declare.
15646 (determine_parallel_type): Declare.
15647 (omp_firstprivatize_variable): Declare.
15648 (omp_reduction_init): Declare.
15649 (diagnose_omp_structured_block_errors): Declare.
15650 (struct walk_stmt_info): Add want_return_expr.
15651 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15652 (find_omp_clause): Declare.
15653 (insert_field_into_struct): Declare.
15654 (struct walk_stmt_info): Move from tree-nested.c
15655 (walk_stmts): Declare.
15656 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15658 * cgraphunit.c (cgraph_lower_function): Make static.
15659 (cgraph_finalize_pending_functions): New.
15660 (cgraph_finalize_function): Call it.
15661 (cgraph_finalize_compilation_unit): Likewise.
15662 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15663 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15664 (BT_FN_UINT_UINT): New.
15665 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15666 DEF_FUNCTION_TYPE_VAR_4): Document.
15667 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15668 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15669 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15670 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15671 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15672 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15673 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15674 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15675 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15676 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15677 into separate files.
15678 (DEF_GOMP_BUILTIN): New.
15679 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15680 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15681 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15682 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15683 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15684 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15685 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15686 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15687 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15688 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15689 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15690 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15691 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15692 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15693 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15694 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15695 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15696 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15697 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15698 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15699 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15700 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15701 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15702 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15703 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15704 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15705 * sync-builtins.def: New file, moved from builtins.def.
15706 * omp-builtins.def: New file, moved from builtins.def.
15707 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15708 * gimple-low.c (lower_function_body): Clear data.
15709 (lower_stmt): Do not handle COMPOUND_EXPR.
15710 Remove call to print_node_brief.
15711 * c-tree.h (c_finish_omp_clauses): New prototype.
15712 (C_DECL_THREADPRIVATE_P): Define.
15713 (lookup_name_no_remap, c_omp_remap_private): Remove
15714 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15715 (check_for_loop_decls): Update decl.
15716 (lookup_name_no_remap, c_omp_remap_private): Declare.
15717 (build_indirect_ref, build_modify_expr, pushdecl,
15718 pushdecl_top_level): Move to c-common.h.
15719 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15720 before the switch, but just in the 2 places that need it.
15721 * c-decl.c (diagnose_mismatched_decls): Do not check for
15722 mismatched thread-local attributes when OLDDECL is marked
15723 threadprivate and NEWDECL has no thread-local attributes.
15724 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15725 (c_gimple_diagnostics_recursively): Rename from
15726 c_warn_unused_result_recursively. Invoke
15727 diagnose_omp_structured_block_errors.
15728 (check_for_loop_decls): Return a singular decl found.
15729 * langhooks.c (lhd_omp_predetermined_sharing): Return
15730 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15731 (lhd_omp_firstprivatize_type_sizes): New.
15732 (lhd_omp_assignment): New.
15733 (lhd_omp_predetermined_sharing): New.
15734 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15735 (struct lang_hooks_for_types): Add
15736 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15737 omp_predetermined_sharing, omp_disregard_value_expr,
15738 omp_private_debug_clause, omp_clause_default_ctor,
15739 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15740 (c_finish_omp_clauses): New.
15741 (c_finish_bc_stmt): Diagnose break within omp for.
15742 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15743 (build_unary_op): Return error_mark after reporting
15745 (build_modify_expr): Likewise.
15746 * gimplify.c: Include optabs.h and pointer-set.h.
15747 (enum gimplify_omp_var_data): Declare.
15748 (struct gimplify_omp_ctx): Declare.
15749 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15751 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15752 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15753 (splay_tree_compare_decl_uid): New.
15754 (new_omp_context): New.
15755 (delete_omp_context): New.
15756 (gimple_add_tmp_var): Call omp_add_variable.
15757 (gimplify_bind_expr): Likewise.
15758 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15759 true, disregard DECL_VALUE_EXPR on the decl if any.
15760 (gimplify_expr_in_ctx): New.
15761 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15762 omp_add_variable, omp_notice_variable, omp_is_private
15763 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15764 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15765 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15766 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15767 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15768 gimplify_omp_atomic): New.
15769 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15770 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15771 OMP_CRITICAL and OMP_ATOMIC.
15772 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15773 * c-pragma.h (enum pragma_kind): Add
15774 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15775 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15776 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15777 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15778 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15779 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15780 PRAGMA_OMP_THREADPRIVATE.
15781 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15782 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15783 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15784 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15785 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15786 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15787 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15788 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15789 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15790 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15791 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15792 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15793 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15795 (struct nesting_info): Add field_map,
15796 suppress_expansion, debug_var_chain.
15797 (create_nesting_tree): Initialize them.
15798 (lookup_field_for_decl): Use field_map.
15799 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15800 (convert_local_omp_clauses): New.
15801 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15802 (walk_body): Split out of walk_function.
15803 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15804 (convert_nonlocal_reference): Handle omp statements.
15805 (convert_local_reference): Likewise.
15806 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15807 (unnest_nesting_tree): New.
15808 (lower_nested_functions): Call it.
15809 (insert_field_into_struct): Make extern.
15810 (struct walk_stmt_info): Move to tree-gimple.h.
15811 (walk_stmts): Make extern.
15812 * omp-builtins.def: New file.
15813 * tree-iterator.c (expr_only): Clarify comment.
15814 * c-common.h (pushdecl_top_level, pushdecl,
15815 build_modify_expr, build_indirect_ref,
15816 c_finish_omp_master, c_finish_omp_critical,
15817 c_finish_omp_ordered, c_finish_omp_barrier,
15818 c_finish_omp_atomic, c_finish_omp_flush,
15819 c_finish_omp_for, c_split_parallel_clauses,
15820 omp_clause_default_kind, c_omp_sharing_predetermined,
15821 c_omp_remap_decl): Declare.
15822 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15823 (OBJS-common): Add omp-low.o.
15824 (c-omp.o, omp-low.o): Add.
15825 (gimplify.o): Add dependency on $(OPTABS_H).
15826 (GTFILES): Add omp-low.c.
15827 (gt-stringpool.h): Add.
15828 * tree-cfg.c (set_bb_for_stmt): Do not update the
15829 block-to-labels map if we are currently expanding to RTL.
15830 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15832 Handle IDENTIFIER_NODE.
15833 (tree_verify_flow_info): Do not ICE when emitting error
15834 messages about invalid labels.
15835 (dump_function_to_file): Reset CFUN before emitting the body
15837 (debug_function): New.
15838 * passes.c (init_optimization_passes): Schedule
15840 * langhooks-def.h (lhd_omp_predetermined_sharing,
15841 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15843 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15844 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15845 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15846 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15847 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15848 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15849 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15850 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15851 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15852 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15853 (LANG_HOOK_DECLS): Use them.
15855 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15856 Richard Henderson <rth@redhat.com>
15857 Jakub Jelinek <jakub@redhat.com>
15858 Diego Novillo <dnovillo@redhat.com>
15860 * c-parser.c (pragma_omp_clause): Define.
15861 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15862 (c_parser_compound_statement): Likewise.
15863 (c_parser_statement): Likewise.
15864 (c_parser_pragma): Handle omp pragmas.
15865 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15866 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15867 (c_parser_omp_clause_name, check_no_duplicate_clause,
15868 c_parser_omp_variable_list,
15869 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15870 c_parser_omp_clause_copyprivate,
15871 c_parser_omp_clause_default,
15872 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15873 c_parser_omp_clause_lastprivate,
15874 c_parser_omp_clause_nowait,
15875 c_parser_omp_clause_num_threads,
15876 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15877 c_parser_omp_clause_reduction,
15878 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15879 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15880 c_parser_omp_atomic, c_parser_omp_barrier,
15881 c_parser_omp_critical, c_parser_omp_flush,
15882 c_parser_omp_for_loop, c_parser_omp_for,
15883 c_parser_omp_master, c_parser_omp_ordered,
15884 c_parser_omp_sections_scope, c_parser_omp_sections,
15885 c_parser_omp_parallel, c_parser_omp_single,
15886 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15887 * c-pragma.c (init_pragma): Do omp pragma registration here.
15888 * c.opt (fopenmp): New flag.
15890 2006-01-18 Eric Christopher <echristo@apple.com>
15892 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15893 * config/darwin.h (GOMP_SELF_SPECS): Define.
15895 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15897 * rtl.h: Remove the prototype for reg_alloc.
15899 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15902 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15903 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15904 sjlj and dwarf2 exception handling.
15905 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15906 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15907 * pa/pa.c (function_value): Treat complex and vector types as
15909 (function_arg): Likewise. Only pass scalar floats in the floating
15910 point argument registers.
15911 * pa/t-slibgcc-dwarf-ver: New file.
15912 * pa/t-slibgcc-sjlj-ver: New file.
15913 * pa/t-slibgcc-elf-ver: Delete file.
15915 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15917 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15918 unlikely_test_section_p test.
15920 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15922 * mode-switching.c (optimize_mode_switching): Make it static.
15923 * basic-block.h: Remove the prototype for
15924 optimize_mode_switching.
15926 * modulo-sched.c (sms_schedule): Make it static.
15927 * rtl.h: Remove the prototype for sms_schedule.
15929 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15930 * rtl.h: Remove the prototype for gcse_after_reload_main.
15932 * reg-stack.c (reg_to_stack): Make it static.
15933 * rtl.h: Remove the prototype for reg_to_stack.
15935 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15937 * rtl.h: Remove the prototypes for regrename_optimize and
15938 copyprop_hardreg_forward.
15940 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15942 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15943 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15944 Test against the appropriate null constant for the mode.
15945 If 'fixup_overlap' is true, swap the operands if they overlap.
15946 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15947 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15948 alpha_split_tmode_pair and adjust for above change.
15949 * config/alpha/alpha.md (movtf_internal): Adjust call to
15950 alpha_split_tfmode_pair and rely on it to swap the operands.
15951 (movti_internal): New insn and post-reload splitter.
15952 (movti): New expander.
15954 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15956 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15959 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15961 * rtlanal.c (global_reg_mentioned_p_1,
15962 global_reg_mentioned_p): Remove.
15963 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15965 * flow.c (initialize_uninitialized_subregs): Make it static.
15966 * rtl.h: Remove the prototype for
15967 initialize_uninitialized_subregs.
15969 * function.c (instantiate_virtual_regs): Make it static.
15970 * function.h: Remove the prototype for
15971 instantiate_virtual_regs.
15973 * regmove.c (regmove_optimize, combine_stack_adjustments):
15975 * rtl.h: Remove the prototypes for regmove_optimize and
15976 combine_stack_adjustments.
15978 2006-01-17 Roger Sayle <roger@eyesopen.com>
15980 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15981 (size_cost): Encode costs in bytes so that a reg-reg addition is
15982 equivalent to COSTS_N_INSNS(1).
15983 (override_options): Use the size_cost.branch_cost as the default
15984 ix86_branch_cost when optimizing for size.
15986 2006-01-18 Ben Elliston <bje@au.ibm.com>
15988 * Makefile.in (D32PBIT_FUNCS): New.
15989 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15990 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15991 D64PBIT_FUNCS and D128PBIT_FUNCS.
15992 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15993 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15995 (decnumber_dep): Define.
15996 * doc/libgcc.texi (Decimal float library routines): New node.
15997 * config/dfp-bit.h, config/dfp-bit.c: New files.
15999 2006-01-18 Ben Elliston <bje@au.ibm.com>
16001 * expr.c (emit_move_change_mode): Always adjust addresses, not
16002 just during reload. Copy replacements only during reload.
16003 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16004 emit_move_via_integer.
16006 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16008 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16009 instead of $(srcdir) and ${srcdir}.
16011 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16014 PR middle-end/11135
16015 * arm.h (struct machine_function): Add pic_reg.
16016 * arm.c (arm_pic_register): Make unsigned.
16017 (arm_override_options): Only set arm_pic_register if
16018 TARGET_SINGLE_PIC_BASE.
16019 (use_return_insn): Only test for a pic register if it is fixed.
16020 (arm_compute_save_reg0_reg12_mask): Likewise.
16021 (thumb_compute_save_reg_mask): Likewise.
16022 (legitimate_pic_operand): Factor out some known invariants.
16023 (legitimize_pic_address): If we don't have a fixed pic register,
16024 then set up a pseudo in the function entry sequence. Handle the
16025 pic base being in a pseudo.
16026 (arm_load_pic_register): Handle the pic register being in a pseudo.
16027 (arm_expand_prologue): Only set up the pic register if it is fixed.
16028 (thumb_expand_prologue): Likewise.
16029 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16030 (pic_load_addr_based_insn): Likewise.
16031 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16034 2006-01-18 Ben Elliston <bje@au.ibm.com>
16036 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16037 decimal float modes for all floating point registers.
16039 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16040 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16042 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16045 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16046 even when the pointer is not NULL.
16048 2006-01-16 Ian Lance Taylor <ian@airs.com>
16050 * common.opt (ftoplevel-reorder): New option.
16051 * cgraph.c (cgraph_asm_nodes): New global variable.
16052 (cgraph_asm_last_node): New static variable.
16053 (cgraph_order): New global variable.
16054 (cgraph_create_node): Set new order field.
16055 (cgraph_varpool_node): Likewise.
16056 (decide_is_variable_needed): Return true if not
16057 flag_toplevel_reorder.
16058 (cgraph_add_asm_node): New function.
16059 * cgraph.h (struct cgraph_node): Add order field.
16060 (struct cgraph_varpool_node): Add order field.
16061 (struct cgraph_asm_node): Define.
16062 (cgraph_asm_nodes, cgraph_order): Declare.
16063 (cgraph_add_asm_node): Declare.
16064 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16066 (cgraph_varpool_assemble_pending_decls): Call it.
16067 (cgraph_output_pending_asms): New static function.
16068 (cgraph_finalize_compilation_unit): Call it.
16069 (struct cgraph_order_sort): Define.
16070 (cgraph_output_in_order): New static function.
16071 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16072 !flag_toplevel_reorder case.
16073 * c-parser.c: Include "cgraph.h".
16074 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16076 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16077 than -fno-unit-at-a-time.
16078 * doc/invoke.texi (Option Summary): Mention
16079 -fno-toplevel-reorder.
16080 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16081 -funit-at-a-time documentation.
16083 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16084 Kazu Hirata <kazu@codesourcery.com>
16086 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16088 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16090 * Makefile.in (FUNCTION_H): New. Use it instead of
16091 function.h throughout the file.
16092 * function.h: Include tree.h.
16094 2006-01-17 Ben Elliston <bje@au.ibm.com>
16096 * recog.c: Separate some functions with whitespace.
16098 2006-01-16 Richard Henderson <rth@redhat.com>
16100 Merge from gomp branch:
16101 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16102 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16103 and rename from struct inline_data. Rename callee* to dst*;
16104 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16105 transform_new_cfg, transform_return_to_modify, and
16106 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16108 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16109 (copy_decl_for_dup): Remove.
16110 * tree-inline.c (struct inline_data): Move to header.
16111 (insert_decl_map): Export.
16112 (remap_decl): Update for member name changes. Use copy_decl hook.
16113 Allow for replacement to be a non-decl. Remove dead code.
16114 (remap_type_1): Check for existing mapping.
16115 (remap_type): Export.
16116 (remap_decls): Update for member name changes.
16117 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16118 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16119 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16120 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16121 (tree_function_versioning, build_duplicate_type): Likewise.
16122 (copy_body_r): Likewise. Export.
16123 (copy_decl_for_dup): Split into ...
16124 (copy_decl_for_dup_finish, copy_decl_to_var,
16125 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16126 (replace_ref_tree, inlining_p): Remove.
16128 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16130 * ifcvt.c (if_convert): Make it static.
16131 * rtl.h: Remove the prototype for if_convert.
16133 * local-alloc.c (local_alloc): Make it static.
16134 * rtl.h: Remove the prototype for local_alloc.
16136 * loop.c (loop_optimize): Make it static.
16137 * cfgloop.h: Remove the prototype for loop_optimize.
16140 2006-01-16 DJ Delorie <dj@redhat.com>
16142 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16145 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16147 * pa.md: Disparage copies between general and floating-point registers
16148 in 32-bit move patterns.
16150 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16153 * Makefile.in (check-%): Depend on site.exp instead of
16154 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16157 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16159 * global.c (global_alloc): Make it static.
16160 * rtl.h: Remove the prototype for global_alloc.
16162 2006-01-16 Richard Guenther <rguenther@suse.de>
16164 * tree-ssa-alias.c (struct used_part): Add write_only field.
16165 (get_or_create_used_part_for): Initialize it to true.
16166 (create_overlap_variables_for): Don't create structure variables
16167 for structures that only are written to.
16168 (find_used_portions): Handle MODIFY_EXPR to track whether a
16169 structure is only written to.
16171 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16173 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16175 * basic-block.h: Remove the prototype for
16176 partition_hot_cold_basic_blocks.
16178 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16180 * cppspec.c (lang_specific_spec_functions): Remove.
16181 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16182 * gcc.h (lang_specific_spec_functions): Remove.
16183 * gccspec.c (lang_specific_spec_functions): Remove.
16185 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16187 * combine.c (record_value_for_reg): Invalidate registers
16189 (record_dead_and_set_regs_1): Likewise, by passing them to
16190 record_value_for_reg.
16191 (record_dead_and_set_regs): Invalidate stores made by a
16192 call. We do not combine across a call, but we still
16193 relied on equivalences.
16195 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16197 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16198 vrp_int_const_binop returning non-constant nodes.
16200 2006-01-16 Paul Brook <paul@codesourcery.com>
16202 * config/m68k/m68k.c (output_move_const_into_data_reg):
16203 Output correct mnemonic for mvz and mvs.
16205 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16207 * rtl-factoring.c: Add sequence abstraction algorithm.
16208 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16209 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16211 (block_has_preserve_label): New function.
16212 * common.opt: Register new pass.
16213 * Makefile.in: Ditto.
16215 * timevar.def: Ditto.
16216 * tree-pass.h: Ditto.
16217 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16218 * rtl.h (make_jump_insn_raw): Add forward decl.
16219 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16221 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16222 Roger Sayle <roger@eyesopen.com>
16224 * fold-const.c (fold_minmax): New static function.
16225 (fold_binary) <MIN_EXPR>: Call it.
16226 <MAX_EXPR>: Likewise.
16227 * stor-layout.c (place_field): Use DECL_SIZE consistently
16228 in the computation of the new record size.
16230 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16232 * cse.c (cse_condition_code_reg): Make it static.
16233 * rtl.h: Remove the prototype for cse_condition_code_reg.
16235 * combine.c (combine_instructions): Make it static.
16236 * rtl.h: Remove the prototype for combine_instructions.
16238 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16241 * tree.c (get_file_function_name_long): Concatenate the first global
16242 object name with a string derived from the input filename of the object
16245 2006-01-16 Ben Elliston <bje@au.ibm.com>
16247 * config/i386/winnt-stubs.c: Update FSF address.
16248 * config/xtensa/ieee754-df.S: Ditto.
16249 * config/xtensa/ieee754-sf.S: Ditto.
16251 2006-01-14 Ian Lance Taylor <ian@airs.com>
16253 * ifcvt.c (noce_init_if_info): New static function, broken out of
16254 noce_process_if_block.
16255 (noce_process_if_block): Call noce_init_if_info.
16256 (check_cond_move_block): New static function.
16257 (cond_move_process_if_block): New static function.
16258 (process_if_block): Call cond_move_process_if_block.
16260 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16262 * cselib.c (hash_table): Rename to cselib_hash_table.
16263 (cselib_clear_table, discard_useless_values,
16264 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16265 cselib_init, cselib_finish): Adjust uses of hash_table.
16267 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16269 PR tree-optimization/25485
16270 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16271 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16272 is known to be false and true, respectively.
16274 2006-01-14 Richard Guenther <rguenther@suse.de>
16276 PR tree-optimization/22548
16277 PR tree-optimization/22555
16278 PR tree-optimization/22501
16279 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16280 * params.def (salias-max-array-elements): New parameter.
16281 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16282 * doc/invoke.texi (salias-max-array-elements): Document.
16283 * tree-flow-inline.h (var_can_have_subvars): We also handle
16285 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16287 * tree-ssa-structalias.c (params.h): Include.
16288 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16289 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16290 (get_constraint_for): For ADDR_EXPR operating on something
16291 containing an ARRAY_REF, add all subvars to the solution.
16292 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16293 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16294 for creating MUST_DEFs.
16295 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16297 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16299 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16301 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16302 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16303 number_of_iterations_le): New functions.
16304 (number_of_iterations_special): Removed.
16305 (number_of_iterations_exit): Do not use number_of_iterations_special.
16306 * tree.c (unsigned_type_for): Always return integer type.
16308 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16309 Richard Guenther <rguenther@suse.de>
16311 PR rtl-optimization/24257
16312 * gcse.c (find_moveable_store): Only consider a store movable
16313 when the SET_SRC of the insn can be assigned to a register.
16315 2006-01-14 Ian Lance Taylor <ian@airs.com>
16317 * tree.c (tree_not_class_check_failed): New function.
16318 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16319 (tree_not_class_check_failed): Declare.
16321 2006-01-13 Ian Lance Taylor <ian@airs.com>
16323 * reload1.c (do_output_reload): Add assertion rejecting a
16326 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16328 * combine.c (struct reg_stat): Add new fields truncation_label and
16330 (record_value_for_reg): Reset truncated_to_mode.
16331 (record_truncated_value): New function.
16332 (check_promoted_subreg): Call it. Rename to check_conversions.
16333 (combine_instructions): Rename check_promoted_subreg to
16335 (reg_truncated_to_mode): New function.
16336 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16337 (gen_lowpart_or_truncate): New function.
16338 (force_to_mode): Use it instead of gen_lowpart.
16340 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16342 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16343 VAR is a tag, not its type tag.
16345 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16347 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16348 alternatives to match style of other entries.
16349 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16351 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16353 PR tree-optimization/25771
16354 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16357 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16360 * tree-inline.c (declare_return_variable): If the return variable
16361 was marked as a non gimple complex, set the return slot variable
16362 to be a non gimple comple variable.
16364 2006-01-13 Richard Guenther <rguenther@suse.de>
16366 * builtins.c (expand_builtin_sincos): New function.
16367 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16369 (expand_builtin): Expand sincos using expand_builtin_sincos.
16371 2006-01-12 DJ Delorie <dj@redhat.com>
16373 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16374 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16375 so that constant shifts can be split.
16376 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16377 (m32c_valid_pointer_mode): Make static.
16378 (shift_gen_func_for): New.
16379 (m32c_prepare_shift): Use it. Split large const shifts into
16381 * config/m32c/predicates.md (shiftcount_operand): Allow more
16383 (longshiftcount_operand): New.
16384 * doc/md.texi (Machine Constraints): Document In6.
16386 2006-01-13 Ben Elliston <bje@au.ibm.com>
16388 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16389 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16392 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16394 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16395 to try to avoid clobbering pieces of structures when we know
16396 something about the whole structure.
16397 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16399 2006-01-13 Ben Elliston <bje@au.ibm.com>
16401 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16402 return in memory, as this is no limitation is no longer present.
16404 2006-01-12 DJ Delorie <dj@redhat.com>
16406 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16407 mova with fb, and for fb+0 -> An.
16409 * config/m32c/mov.md (peephole2): Fix enabling logic.
16411 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16412 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16413 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16414 FINI_ARRAY_SECTION_ASM_OP): Define.
16416 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16418 (m32c_legitimize_reload_address): New logic to reload FB to An.
16419 (m32c_output_reg_push): Add newline.
16420 (m32c_output_reg_pop): Likewise.
16422 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16424 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16426 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16428 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16430 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16432 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16435 2006-01-11 Ben Elliston <bje@au.ibm.com>
16437 * rtlanal.c (find_reg_note): Assert insn is not null.
16439 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16441 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16444 2006-01-11 Jeff Law <law@redhat.com>
16446 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16448 (mark_threaded_blocks, register_jump_thread): New functions.
16449 (thread_through_all_blocks): Remove unwanted argument. No
16450 longer rely on e->aux to communicate thread target info.
16451 Call mark_threaded_blocks. Release the threaded_blocks
16452 bitmap and threaded_edges vector when complete.
16453 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16454 (threaded_blocks): Remove.
16455 (tree_ssa_dominator_optimize): Remove initialization and
16456 finalization of threaded_blocks. Simplify call to
16457 thread_through_all_blocks.
16458 (thread_across_edge): Call register_jump_thread rather than
16459 storing thread information into e->aux.
16460 (free_all_edge_infos): Simplify now that e->aux is no longer
16461 used to communicate with thread_through_all_blocks.
16462 * tree-flow.h (thread_through_all_blocks): Update prototype.
16463 (register_jump_thread): Prototype.
16465 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16467 * df-core.c (df_compact_blocks, df_bb_replace): Use
16468 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16470 2006-01-11 Richard Guenther <rguenther@suse.de>
16472 PR tree-optimization/25734
16473 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16474 stop propagation after successful propagation to the LHS.
16476 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16478 * basic-block.h (control_flow_graph): Change the type of
16479 x_basic_block_info to VEC(basic_block,gc) *.
16480 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16482 (SET_BASIC_BLOCK): New.
16483 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16484 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16485 * cfgbuild.c (find_basic_blocks): Likewise.
16486 * cfglayout.c (fixup_reorder_chain): Likewise.
16487 * cfgrtl.c (create_basic_block_structure,
16488 rtl_create_basic_block): Likewise.
16489 * ifcvt.c (find_if_case_1): Likewise.
16490 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16493 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16495 * Makefile.in: Removed rotted odf.c entry.
16497 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16500 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16501 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16502 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16503 output pattern modifier, not %e.
16504 * config/cris/cris.c (cris_op_str): Update comment about pattern
16506 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16507 before falling through into...
16508 <case 'E'>: Redefined from old 'e' case.
16510 2006-01-11 Jan Hubicka <jh@suse.cz>
16513 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16515 2006-01-11 Jan Hubicka <jh@suse.cz>
16517 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16518 * i386.c (x86_decompose_lea): Kill.
16519 (ix86_rtx_costs): Kill.
16521 2006-01-11 Jan Hubicka <jh@suse.cz>
16523 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16524 * cgraph.h (cgraph_node): Add inline_decl.
16525 (cgraph_insert_node_to_hashtable): Declare.
16526 (save_inline_function_body): Declare.
16527 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16529 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16530 (cgraph_function_versioning): Update call of tree_function_versioning.
16531 (save_inline_function_body): New function.
16532 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16533 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16534 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16535 (cgraph_default_inline_p): Likewise.
16536 (cgraph_decide_inlining_incrementally): Likewise.
16537 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16538 (copy_bb): Kill saving; do updating of clones.
16539 (copy_cfg_body): Kill saving.
16540 (initialize_inlined-parameters): Likewise.
16541 (expand_call_inline): Likewise.
16543 (tree_function_versioning): New parameter "update_clones".
16544 (inlining_p): Kill saving.
16545 * tree-inline.h (tree_function_versioning): Update prototype.
16546 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16549 2006-01-11 Ian Lance Taylor <ian@airs.com>
16551 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16552 Allow undoing set of machine mode.
16553 (do_SUBST): Use enums instead of is_int.
16554 (do_SUBST_MODE): New function.
16555 (SUBST_MODE): New macro.
16556 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16557 reg and trying to replace reg_regno_rtx with a new register.
16558 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16559 (simplify_set): Use SUBST_MODE.
16560 (distribute_notes): Remove code that tried to update reg notes
16561 for regno_reg_rtx changes.
16563 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16565 PR tree-optimization/23109
16566 PR tree-optimization/23948
16567 PR tree-optimization/24123
16569 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16570 * tree-cfg.c (single_noncomplex_succ): New.
16571 * tree-flow.h (single_noncomplex_succ): Declare it.
16572 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16573 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16574 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16575 insert_bb, register_division_in, insert_reciprocals,
16576 replace_reciprocal, free_bb): New.
16577 (execute_cse_reciprocals_1): Rewritten.
16578 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16579 Do not commit any edge insertion. Always compute dominators and
16580 create the allocation pool.
16581 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16582 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16583 * targhooks.c (default_min_divistions_for_recip_mul): New.
16584 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16585 * passes.c (init_optimization_passes): Run recip after tree loop
16587 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16589 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16590 Kenneth Zadeck <zadeck@naturalbridge.com>
16592 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16593 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16594 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16595 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16596 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16597 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16598 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16599 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16600 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16601 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16602 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16603 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16604 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16605 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16606 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16607 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16608 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16609 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16610 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16611 DF_SCAN_POST_ALLOC): New macros.
16612 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16613 df_free_bb_function, df_local_compute_function, df_init_function,
16614 df_dataflow_function, df_confluence_function_0,
16615 df_confluence_function_n, df_transfer_function,
16616 df_finalizer_function, df_free_function, df_dump_problem_function,
16617 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16618 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16619 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16620 df_urec_bb_info, ) New types.
16621 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16623 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16624 df_analyze_simple_change_some_blocks,
16625 df_analyze_simple_change_one_block, df_compact_blocks,
16626 df_bb_replace, df_bb_regno_last_use_find,
16627 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16628 df_insn_regno_def_p, df_find_def, df_find_use,
16629 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16630 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16631 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16632 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16633 debug_df_chain, df_get_dependent_problem, df_chain_create,
16634 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16635 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16636 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16637 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16638 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16639 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16640 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16641 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16642 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16643 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16644 df_reorganize_refs, df_set_state, df_hard_reg_init,
16645 df_read_modify_subreg_p) New public functions.
16646 * df-core.c: The core dataflow solver and glue routines for rtl
16648 (df_init, df_add_problem, df_set_blocks, df_finish,
16649 df_hybrid_search_forward, df_hybrid_search_backward,
16650 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16651 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16652 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16653 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16654 df_reg_defined, df_find_use, df_reg_used, df_dump,
16655 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16656 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16657 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16658 debug_df_useno, reset_df_after_reload): New functions.
16659 * df-scan.c: The scanning fuctions, once in df.c, completely
16660 rewritten so that they now fully model the functionality of
16661 register usage at the backend.
16662 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16663 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16664 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16665 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16666 df_get_artificial_defs, df_get_artificial_uses,
16667 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16668 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16669 df_refs_delete, df_reorganize_refs, df_set_state,
16670 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16671 df_def_record_1, df_defs_record, df_uses_record,
16672 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16673 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16674 df_record_exit_block_uses, df_hard_reg_init): New functions.
16676 * df-problems.c: Seven concrete dataflow problems that use the
16677 scanning in df-scan.c and are solved by the engine in df-core.c.
16678 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16679 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16680 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16681 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16682 df_ru_free_bb_info, df_ru_alloc,
16683 df_ru_bb_local_compute_process_def,
16684 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16685 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16686 df_ru_transfer_function, df_ru_free, df_ru_dump,
16687 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16688 df_rd_free_bb_info, df_rd_alloc,
16689 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16690 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16691 df_rd_transfer_function, df_rd_free, df_rd_dump,
16692 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16693 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16694 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16695 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16696 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16697 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16698 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16699 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16700 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16701 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16702 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16703 df_urec_mark_reg_use_for_earlyclobber,
16704 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16705 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16706 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16707 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16708 df_chain_create_bb_process_use, df_chain_create_bb,
16709 df_chain_finalize, df_chain_free, df_chains_dump,
16710 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16711 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16712 df_reg_lifetime): New functions.
16713 * df.c: Deleted file.
16714 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16715 consistent with new df api.
16716 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16717 rest_of_handle_sms): Ditto.
16718 * web.c (unionfind_union, union_defs, entry_register, web_main):
16720 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16721 invariant_expr_equal_p, find_defs, check_dependencies,
16722 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16723 free_inv_motion_data, move_loop_invariants): Ditto.
16724 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16725 Update dependencies.
16726 (odf.c): Added defective entry that was deleted later in day.
16727 * sched-deps.c (sched_analyze_1): Ditto.
16729 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16731 * tree-ssa-operands.c (get_expr_operands): Record addressable
16732 variables directly. Do not call add_stmt_operands for CONST_DECLs
16734 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16735 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16737 2006-01-11 Ben Elliston <bje@au.ibm.com>
16739 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16740 function returns true in the positive case.
16742 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16745 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16746 for SI, DI, SF and DF modes. Add alternatives to copy between
16747 general and floating point registers to the 32-bit patterns.
16748 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16749 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16750 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16751 generating 64-bit code.
16752 * config/pa/pa.c (output_move_double): Handle copies between general
16753 and floating registers.
16755 2006-01-10 Stuart Hastings <stuart@apple.com>
16757 * config/i386/i386.md (set_got): Update.
16758 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16759 (builtin_setjmp_receiver): Mach-O support.
16760 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16761 (GOT_SYMBOL_NAME): Define.
16762 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16763 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16764 * config/i386/i386.c (override_options): Revise for Darwin.
16765 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16766 support. (darwin_x86_file_end): New. (output_set_got): Add label
16767 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16768 * config/i386/i386-protos.h (output_set_got): Likewise.
16769 * config/darwin.c (machopic_legitimize_pic_address): Update
16772 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16774 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16775 when MODE isn't BLKmode.
16777 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16779 PR rtl-optimization/25367
16780 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16782 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16785 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16786 for a negative bound.
16788 2006-01-10 Richard Guenther <rguenther@suse.de>
16790 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16791 Never override with anything constraint.
16793 2006-01-10 Jan Beulich <jbeulich@novell.com>
16795 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16796 256 bits when optimize_size.
16798 2006-01-10 Jan Beulich <jbeulich@novell.com>
16800 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16802 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16803 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16806 2006-01-10 Ben Elliston <bje@au.ibm.com>
16808 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16810 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16811 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16812 (USE_FP_FOR_ARG): Reject decimal float modes.
16813 (function_arg_advance): Likewise.
16814 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16815 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16816 point types in AltiVec vectors.
16817 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16818 (rs6000_libcall_value): Likewise.
16820 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16822 * config/xtensa/ieee754-df.S: New file.
16823 * config/xtensa/ieee754-sf.S: New file.
16824 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16825 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16826 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16828 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16830 * config/sh/predicates.md (binary_float_operator,
16831 binary_logical_operator, commutative_float_operator,
16832 equality_comparison_operator, greater_comparison_operator,
16833 less_comparison_operator, logical_operator,
16834 noncommutative_float_operator, shift_operator,
16835 symbol_ref_operand, unary_float_operator): Remove redundant
16838 2006-01-09 Jeff Law <law@redhat.com>
16840 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16841 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16842 now unused arguments. Callers updated.
16843 (eliminate_redundant_computations): Remove now unused arguments,
16845 (local_fold): Remove, no longer used.
16846 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16848 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16849 (simplify_cond): New function.
16850 (forward_propagate_into_cond): Call simplify_cond.
16852 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16854 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16855 (*vec_extractv2di_1_sse): New.
16857 2006-01-09 Ben Elliston <bje@au.ibm.com>
16859 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16861 2006-01-08 Richard Guenther <rguenther@suse.de>
16863 * tree-ssa-structalias.c (get_constraint_for): Remove
16864 anyoffset argument.
16865 (get_constraint_for_component_ref): Likewise.
16866 (do_deref): Likewise.
16867 (get_constraint_for): Likewise.
16868 (do_structure_copy): Likewise.
16869 (handle_ptr_arith): Likewise.
16870 (find_func_aliases): Likewise. Remove unused need_anyoffset
16873 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16874 Kaz Kojima <kkojima@gcc.gnu.org>
16876 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16877 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16878 (EXTRA_CONSTRAINT_C16): Remove.
16879 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16880 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16881 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16882 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16883 constants of SHmedia. Handle nested constant expressions of
16885 (andcosts): Fix the costs for SHmedia constants.
16886 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16887 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16888 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16889 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16890 (movv4hi_i, movv2si_i): Likewise.
16891 (movsi_const): Adjust the second operand of ior so to match with
16892 the Csu constraint.
16893 (movdi_const, movdi_const_32bit): Likewise.
16894 (movdi_const_16bit+1): Don't sign-extend LOW.
16895 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16897 (*double_shori): Fix the split condition. Use GEN_INT instead
16898 of get_int_mode calls. Mask lower 16-bit of the argument of
16900 (sym2GOTPLT): Remove.
16901 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16903 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16904 instead of EXTRA_CONSTRAINT_C16.
16906 2006-01-07 Ian Lance Taylor <ian@airs.com>
16907 David Edelsohn <edelsohn@gnu.org>
16909 PR rtl-optimization/25662
16910 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16911 for constant operands instead of simplify_gen_binary.
16912 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16913 after trying simplify_binary_operation
16915 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16917 * tree.c (iterative_hash_expr): Hash decls based on UID.
16919 2006-01-06 Eric Christopher <echristo@apple.com>
16921 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16922 (TARGET_UNWIND_EMIT): Fix spelling.
16923 * target.h (gcc_target): Add except_table_label.
16924 * except.c (output_function_exception_table): Use.
16925 * varasm.c (default_emit_except_table_label): New.
16926 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16928 (asm_out): Add here.
16929 * output.h (default_emit_except_table_label): Prototype.
16930 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16931 * config/darwin.c (darwin_emit_except_table_label): Define.
16932 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16934 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16936 PR tree-optimization/18527
16937 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16938 number_of_iterations_special, number_of_iterations_exit):
16939 Move base and step of an iv to a single structure. Add
16940 no_overflow flag, and use it in # of iterations analysis.
16941 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16942 folded_casts argument.
16943 (simple_iv): Pass base and step in a structure. Set no_overflow
16945 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16946 Evaluate expensiveness of computing # of iterations instead of
16947 the final expression.
16948 * tree-scalar-evolution.h (affine_iv): New structure.
16949 (simple_iv): Declaration changed.
16950 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16951 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16952 find_givs_in_stmt): Changed due to simple_iv change.
16954 2006-01-06 Jeff Law <law@redhat.com>
16957 * tree-cfg.c (bsi_replace): Rename final argument from
16958 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16959 change (stmt -> orig_stmt).
16960 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16961 (bsi_remove): Add new argument. Remove EH information
16963 (verify_eh_throw_table_statements): New function.
16964 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16966 * tree-optimize.c (execute_free_cfg_annotations): Verify
16967 the EH throw statement table after removing annotations.
16968 * except.h (verify_eh_throw_table_statements): Prototype.
16969 * tree-flow.h (bsi_remove): Update prototype.
16970 * tree-vrp.c (remove_range_assertions): Add new argument to
16972 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16973 * tree-complex.c (expand_complex_div_wide): Likewise.
16974 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16975 * tree-tailcall.c (eliminate_tailcall): Likewise.
16976 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16977 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16978 * tree-nrv.c (tree_nrv): Likewise.
16979 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16980 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16981 (combine_blocks): Likewise.
16982 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16983 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16984 (cleanup_control_flow): Likewise.
16985 (remove_forwarder_block): Likewise.
16986 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16987 * tree-sra.c (sra_replace): Likewise.
16988 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16989 (forward_propagate_single_use_vars): Likewise.
16990 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16991 * tree-inline.c (expand_call_inline): Likewise.
16992 * tree-vect-transform.c (vect_transform_loop): Likewise.
16993 * tree-outof-ssa.c (rewrite_trees): Likewise.
16994 * tree-cfg.c (make_goto_expr_edges): Likewise.
16995 (cleanup_dead_labels): Likewise.
16996 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16997 (bsi_move_before, bsi_move_after): Likewise.
16998 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16999 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17001 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17004 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17006 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17007 on non gimple variables. Also add checks at the top for decls and
17009 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17011 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17012 and IMAGPART_EXPR for creating MUST_DEFs.
17013 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17014 and NAME_MEMORY_TAG separately from the DECLs.
17016 2006-01-06 Richard Guenther <rguenther@suse.de>
17018 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17019 annotation, if necessary.
17020 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17021 redundant calls to update_stmt.
17022 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17025 2006-01-05 Richard Henderson <rth@redhat.com>
17027 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17029 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17031 * c-typeck.c: Update copyright date.
17033 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17035 * c-typeck.c (build_c_cast): Always warn when casting
17036 from a pointer to an integer of different size, even if
17037 the node was constant.
17039 2006-01-05 Richard Guenther <rguenther@suse.de>
17041 PR tree-optimization/22555
17042 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17043 if one structure field is an array.
17044 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17045 operands even if we found a subvar, but ignore VOPs in this
17047 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17049 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17051 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17053 PR middle-end/24998
17054 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17056 2006-01-05 Richard Guenther <rguenther@suse.de>
17057 Diego Novillo <dnovillo@redhat.com>
17059 * tree-pass.h (TODO_remove_unused_locals): Define.
17060 * gimple-low.c (expand_var_p, remove_useless_vars,
17061 pass_remove_useless_vars): Remove. Update all users.
17062 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17063 (remove_unused_locals): New function.
17064 * tree-flow.h (remove_unused_locals): Declare.
17065 * passes.c (execute_todo): Call remove_unused_locals if
17066 TODO_remove_unused_locals is set.
17067 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17068 * tree-ssa-dce.c (pass_dce): Likewise.
17069 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17071 2006-01-05 Richard Guenther <rguenther@suse.de>
17073 * tree-flow.h (struct fieldoff): Decompose field to
17074 type, size and decl.
17075 * tree-ssa-alias.c (create_sft): Take type as parameter.
17076 (create_overlap_variables_for): Store type, size and decl
17077 in the fieldoff structure.
17078 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17079 of struct fieldoff.
17080 (push_fields_onto_fieldstack): Likewise.
17081 (create_variable_info_for): Likewise. Use offset for the
17082 SFT name if the decl is not available.
17084 2006-01-04 Paul Brook <paul@codesourcery.com>
17086 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17088 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17090 * lambda-code.c (can_put_in_inner_loop): Relax
17092 (can_put_after_inner_loop): New function.
17093 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17094 (perfect_nestify): Change to make copies and modify uses.
17096 2006-01-04 Richard Henderson <rth@redhat.com>
17098 Merge from gomp branch:
17099 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17100 via integer constant.
17101 (pragma_lex): Remove.
17102 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17103 rather than parsing it.
17104 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17105 handle_pragma_extern_prefix): Add %< %> quotes.
17106 (registered_pragmas): New.
17107 (c_register_pragma_1): New.
17108 (c_register_pragma): Use it.
17109 (c_register_pragma_with_expansion): Likewise.
17110 (c_invoke_pragma_handler): New.
17111 (init_pragma): Use cpp_register_deferred_pragma directly for
17113 * c-pragma.h (enum pragma_kind): New.
17114 (pragma_handler): New.
17115 (c_invoke_pragma_handler): Declare.
17116 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17118 * c-common.h (c_common_pch_pragma): Update decl.
17119 * Makefile.in (c-parser.o): Update dependencies.
17120 (GTFILES): Add c-pragma.h.
17121 * c-parser.c (struct c_token): Add pragma_kind.
17122 (struct c_parser): Add in_pragma.
17123 (c_lex_one_token): Always initialize keyword and pragma_kind.
17124 Extract data for CPP_PRAGMA.
17125 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17126 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17127 Don't allow CPP_PRAGMA_EOL if in_pragma.
17128 (c_parser_consume_pragma): New.
17129 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17130 (c_parser_skip_to_end_of_parameter): Likewise.
17131 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17132 (c_parser_skip_to_pragma_eol): New.
17133 (c_parser_external_declaration): Handle CPP_PRAGMA.
17134 (c_parser_compound_statement_nostart): Likewise.
17135 (c_parser_statement_after_labels): Likewise.
17136 (c_parser_pragma): New.
17137 (pragma_lex): Likewise.
17138 (c_parser_pragma_pch_preprocess): New.
17139 (c_parser_new): Merge into ...
17140 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17142 2006-01-04 Jeff Law <law@redhat.com>
17145 * tree-cfg.c (bsi_replace): Remove the original statement
17146 from the EH throw statement table.
17148 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17150 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17151 make the prototype extern "C" and add throw ().
17154 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17155 and pos non-negative and pos + len <= 32.
17156 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17157 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17158 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17161 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17162 as well as sizes not multiple of component size.
17165 * function.c (instantiate_expr): New function.
17166 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17167 walk its DECL_VALUE_EXPR with instantiate_expr.
17169 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17170 DW_OP_deref{,_size} if address isn't going to be added.
17172 2006-01-04 Ben Elliston <bje@au.ibm.com>
17174 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17175 * config/fp-bit.c: Likewise.
17177 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17179 * dominance.c: Add comment about why we use DFS numbering
17182 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17183 Richard Henderson <rth@redhat.com>
17185 Merge from gomp-branch:
17186 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17187 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17189 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17191 PR rtl-optimization/25578
17192 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17193 pass a parameter to simplify_shift_const if changing ASHIFTRT
17196 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17198 * builtins.c (get_builtin_sync_mem): New function.
17199 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17200 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17201 Call get_builtin_sync_mem to generate mem rtx.
17203 2006-01-03 Richard Guenther <rguenther@suse.de>
17206 * stmt.c (add_case_node): Make sure to clear overflow flags
17209 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17211 Merge from gomp-branch.
17212 * config/sparc/sync.md: New file.
17213 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17214 UNSPECV_LDSTUB): New constants.
17215 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17216 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17217 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17220 2006-01-03 Roger Sayle <roger@eyesopen.com>
17222 * combine.c (reg_subword_p): New predicate to test whether the
17223 destination of a set refers to a subword/piece of a register.
17224 (try_combine): Generalize the code to merge the setting of a
17225 pseudo to a constant followed by a set of a subword of that
17226 register to a constant.
17228 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17230 * basic-block.h (control_flow_graph): Change the type of
17231 x_label_to_block_map to VEC(basic_block,gc) *.
17232 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17233 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17235 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17236 VEC(basic_block,heap) *.
17237 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17238 ssa_prop_fini): Adjust the uses of cfg_blocks.
17240 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17242 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17244 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17245 hashing trees instead of a pointer hash.
17246 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17247 compare for MEM_EXPR.
17249 PR rtl-optimization/25130
17250 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17251 when comparing MEMs for GCSE
17253 2006-01-03 Ben Elliston <bje@au.ibm.com>
17255 * targhooks.h (default_decimal_float_supported_p): Declare.
17256 * targhooks.c (default_decimal_float_supported_p): Define.
17257 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17258 `default_decimal_float_supported_p'.
17259 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17261 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17263 * combine.c (apply_distributive_law <SUBREG>): Check
17264 TRULY_NOOP_TRUNCATION.
17266 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17268 * dwarf2out.c (have_switched_text_section): Delete.
17269 (have_multiple_function_sections): New.
17270 (have_location_lists): Make 'bool'.
17271 (add_AT_loc_list): Use 'true' not '1'.
17272 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17273 (output_loc_list): Use have_multiple_function_sections.
17274 (output_ranges): Likewise.
17275 (dwarf2out_begin_function): Set have_multiple_function_sections if
17277 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17278 Check function_section rather than DECL_SECTION_NAME.
17279 (dwarf2out_finish): Use have_multiple_function_sections.
17280 Don't clear have_location_lists.
17282 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17283 Jan Hubicka <jh@suse.cz>
17285 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17286 case of conditional jump jumping to the next instruction.
17287 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17288 cases of conditional jump jumping to the next instruction.
17290 2006-01-02 Jan Hubicka <jh@suse.cz>
17292 * i386.c (*_cost): Add COSTS_N_INSNS.
17293 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17295 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17298 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17300 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17302 * config/arm/arm.c (all_fpus): Fix comment typo.
17303 * config/darwin.c: Likewise.
17304 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17305 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17306 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17308 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17310 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17311 (rs6000_split_compare_and_swapqhi): New.
17312 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17313 (sync_compare_and_swapqhi_internal): New.
17314 * config/rs6000/rs6000-protos.h: Declare.