1 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
3 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
6 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
8 * doc/invoke.texi: Fix mfp-trap-mode typo.
10 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
12 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
13 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
14 file_end_indicate_exec_stack.
15 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
17 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
18 for a non-executable stack.
21 * libunwind.S: Likewise.
23 2006-11-02 Ben Elliston <bje@au.ibm.com>
25 * tree-ssa.c (warn_uninit): Use expand_location variables for
26 locus and declaration locus.
28 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
31 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
32 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
33 cmp{eq,gt,gtu}{si,di}_media.
34 (*cmpne0si_media): Remove.
35 (*movsicc_umin): Adjust gen_cmp*_media call.
36 (unordered): Change the mode of unordered and operands[1] to
38 (seq): Adjust gen_cmp*_media calls. Make the mode of
39 a temporary result of compare SImode if needed. If the mode
40 of operands[0] is DImode, extend the temporary result to DImode.
41 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
42 (sunorderd): Change the mode of match_operand and unorderd to
44 (cmpeq{sf,df}_media): Remove.
45 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
46 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
47 and compare operation to SImode.
49 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
51 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
53 (sparc64-sun-solaris2*): Likewise.
55 2006-11-02 Paul Brook <paul@codesourcery.com>
57 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
58 from priority argument. Use different section for non-default
60 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
62 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
65 * except.c (switch_to_exception_section): Do not cache the section
66 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
67 and flag_function_sections is set.
69 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
72 * builtins.c (do_mpfr_sincos): New.
73 (fold_builtin_1): Use it to fold builtin sincos.
75 2006-11-01 Roger Sayle <roger@eyesopen.com>
77 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
80 2006-11-01 Roger Sayle <roger@eyesopen.com>
82 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
83 whether the assembler supports taking the difference of symbols in
84 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
85 * configure: Regenerate.
86 * config.in: Regenerate.
87 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
88 the assembler doesn't support taking the difference of symbols in
89 different sections, i.e. we're using the native solaris assembler.
91 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
92 Peter Bergner <bergner@vnet.ibm.com>
94 * doc/invoke.texi: Add cpu_type power6x
95 (RS/6000 and PowerPC Options): Add -mmfpgpr.
96 * config.gcc: Add cpu_type power6x.
97 * configure.ac: Add test for mf{t,f}gpr instructions.
98 (HAVE_AS_MFPGPR): New.
99 * config.in: Regenerate.
100 * configure: Regenerate.
101 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
102 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
103 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
104 and mftgpr attributes.
105 (define_attr "cpu"): Add power6.
106 Change instruction sequences to use new attributes.
107 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
108 (fix_truncdfsi2_mfpgpr): New.
109 (floatsidf_ppc64_mfpgpr): New.
110 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
111 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
112 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
113 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
114 (fix_truncdfsi2): Use gpc_reg_operand constraint.
115 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
116 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
117 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
118 cntlz,exts and var_delayed_compare.
119 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
120 _ARCH_PWR6X, if features enabled.
121 * config/rs6000/rs6000.opt (mmfpgpr): New.
122 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
123 (cached_can_issue_more): New variable.
124 (processor_costs): Add power6_cost.
125 (rs6000_sched_init): New function.
126 (is_dispatch_slot_restricted): Deleted.
127 (set_to_load_agen): New function.
128 (is_load_insn,is_store_insn): New functions.
129 (adjacent_mem_locations): New function.
130 (insn_must_be_first_in_group): New function.
131 (insn_must_be_last_in_group): New function.
132 (rs6000_sched_reorder): New function.
133 (rs6000_sched_reorder2): New function.
134 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
135 TARGET_SCHED_REORDER2): Define.
136 (processor_target_table): Use PROCESSOR_POWER6 for power6.
137 Add power6x. Add MASK_MFPGPR for power6x.
138 (POWERPC_MASKS): Add MASK_MFPGPR.
139 (rs6000_override_options): Set rs6000_always_hint to false
140 for power6. Set rs6000_align_branch_targets. Replace
141 rs6000_sched_groups check with rs6000_align_branch_targets.
142 Use PROCESSOR_POWER6.
143 (last_scheduled_insn): New variable.
144 (load_store_pendulum): New variable.
145 (rs6000_variable_issue): Set last_scheduled_insn and
146 cached_can_issue_more.
147 (rs6000_adjust_cost): Add power6 cost adjustments.
148 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
149 with insn_must_be_first_in_group. Add power6 priority adjustments.
150 (rs6000_issue_rate): Add CPU_POWER6.
151 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
152 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
153 (TARGET_MFPGPR): New.
154 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
155 (ASM_CPU_SPEC): Add power6x.
156 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
158 * config/rs6000/power6.md: New file.
160 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
162 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
163 HOST_WIDE_INT_PRINT to print high and low parts. Use
164 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
165 printing a hexadecimal number prefix it with 0x.
167 2006-11-01 Chris Johns <chris@contemporary.net.au>
170 * Makefile.in (install-driver): Use exeext when installing
171 $target-gcc-$version.
173 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
175 * c-common.c (flag_cpp0x): New.
176 * c-common.h (flag_cpp0x): New.
177 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
178 supported, define __GXX_EXPERIMENTAL_CPP0X__.
179 * c-opts.c (set_std_cxx0x): New.
180 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
181 * c.opt (std=c++0x): Document.
182 (std=gnu++0x): Ditto.
183 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
184 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
186 2006-11-01 Richard Guenther <rguenther@suse.de>
188 * config/i386/i386.c (ix86_expand_rint): Fix issues with
190 (ix86_expand_floorceildf_32): Likewise.
191 (ix86_expand_floorceil): Likewise.
192 (ix86_expand_trunc): Likewise.
194 2006-10-31 Andrew Pinski <pinskia@gmail.com>
196 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
199 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
201 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
203 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
205 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
207 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
208 * configure.ac (use_cxa_atexit): As a special case, don't test
209 for libc definition of __cxa_atexit on mingw32
210 * configure: Regenerate.
211 * config.gcc (i[34567]86-pc-mingw32): Default to
212 enable__cxa_atexit=yes.
214 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
216 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
218 2006-10-31 Geoffrey Keating <geoffk@apple.com>
221 * c-decl.c (start_struct): Don't create self-containing
223 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
225 * config/rs6000/rs6000-protos.h
226 (darwin_rs6000_special_round_type_align): New.
227 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
228 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
230 2006-10-31 Geoffrey Keating <geoffk@apple.com>
232 * toplev.c (compile_file): Call final_write_globals
233 even if there have been errors.
235 2006-10-31 Eric Christopher <echristo@apple.com>
236 Falk Hueffner <falk@debian.org>
238 * doc/extend.texi (__builtin_bswap32): Document.
239 (__builtin_bswap64): Ditto.
240 * doc/libgcc.texi (bswapsi2): Document.
242 * doc/rtl.texi (bswap): Document.
243 * optabs.c (expand_unop): Don't widen a bswap.
244 (init_optabs): Init bswap. Set libfuncs explicitly
245 for bswapsi2 and bswapdi2.
246 * optabs.h (OTI_bswap): New.
247 (bswap_optab): Ditto.
248 * genopinit.c (optabs): Handle bswap_optab.
249 * tree.h (tree_index): Add TI_UINT32_TYPE and
251 (uint32_type_node): New.
252 (uint64_type_node): Ditto.
253 * tree.c (build_common_tree_nodes_2): Initialize
254 uint32_type_node and uint64_type_node.
255 * builtins.c (expand_builtin_bswap): New.
256 (expand_builtin): Call.
257 (fold_builtin_bswap): New.
258 (fold_builtin_1): Call.
259 * fold-const.c (tree_expr_nonnegative_p): Return true
261 * builtin-types.def (BT_UINT32): New.
263 (BT_FN_UINT32_UINT32): Ditto.
264 (BT_FN_UINT64_UINT64): Ditto.
265 * builtins.def (BUILT_IN_BSWAP32): New.
266 (BUILT_IN_BSWAP64): Ditto.
267 * rtl.def (BSWAP): New.
268 * genattrtab.c (check_attr_value): New.
269 * libgcc2.c (__bswapSI2): New.
271 * libgcc2.h (__bswapSI2): Declare.
273 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
274 * simplify-rtx.c (simplify_const_unary_operation): Return
276 * libgcc-std.ver (__bwapsi2): Add.
278 * reload1.c (eliminate_regs_1): Add bswap.
279 (elimination_effects): Ditto.
280 * config/i386/i386.h (x86_bswap): New.
282 * config/i386/i386.c (x86_bswap): Set.
284 2006-10-31 Geoffrey Keating <geoffk@apple.com>
286 * coverage.c (coverage_checksum_string): Update comment.
287 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
288 of get_file_function_name.
289 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
290 of get_file_function_name_long.
291 * tree.c (get_file_function_name): Rename from
292 get_file_function_name_long; improve comment; handle 'I' and 'D'
293 specially when the target has ctor/dtor support; remove special
295 (get_file_function_name): Remove.
296 * tree.h (get_file_function_name): Rename from
297 get_file_function_name_long.
298 (get_file_function_name): Remove prototype.
300 2006-10-31 Geoffrey Keating <geoffk@apple.com>
302 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
303 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
305 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
306 Call dsymutil when compiling and linking one or more source files
309 2006-10-31 Geoffrey Keating <geoffk@apple.com>
312 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
314 2006-10-31 Geoffrey Keating <geoffk@apple.com>
316 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
317 inline static functions in c99 mode.
320 * doc/extend.texi (Inline): Update.
321 * c-tree.h (struct language_function): Remove field 'extern_inline'.
322 * c-decl.c (current_extern_inline): Delete.
323 (pop_scope): Adjust test for an undefined nested function.
324 Add warning about undeclared inline function.
325 (diagnose_mismatched_decls): Update comments. Disallow overriding
326 of inline functions in a translation unit in C99. Allow inline
327 declarations in C99 at any time.
328 (merge_decls): Boolize variables. Handle C99 'extern inline'
330 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
331 C99 inline semantics.
332 (start_function): Don't clear current_extern_inline. Don't set
334 (c_push_function_context): Don't push current_extern_inline.
335 (c_pop_function_context): Don't restore current_extern_inline.
338 * c-typeck.c (build_external_ref): Warn about static variables
339 used in extern inline functions.
340 * c-decl.c (start_decl): Warn about static variables declared
341 in extern inline functions.
343 2006-10-31 Roger Sayle <roger@eyesopen.com>
346 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
347 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
348 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
349 or y is an even integer.
351 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
354 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
355 * gthr-posix95.h (__gthread_active_p): Likewise.
357 2006-10-31 Richard Guenther <rguenther@suse.de>
359 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
360 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
361 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
362 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
363 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
364 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
365 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
366 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
369 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
371 * opts.c (decode_options): Disable CSE skip blocks.
373 2006-10-30 Dirk Mueller <dmueller@suse.de>
375 * c-common.h (strict_aliasing_warning): Fix whitespace.
376 * c-decl (start_function): Move code for main decl warning ..
377 * c-common.c (check_main_parameter_types): .. here.
378 * c-common.h (check_main_parameter_types): Declare.
380 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
383 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
385 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
387 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
388 be a PARALLEL containing sets. Return false when out_pat is not
391 2006-10-30 Richard Sandiford <richard@codesourcery.com>
393 * config/mips/mips.md (mul<mode>3): Split into...
394 (mulsi3, muldi3): ...these separate patterns.
396 2006-10-30 Richard Sandiford <richard@codesourcery.com>
398 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
399 but with each set of options separated by spaces.
401 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
403 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
404 dwarf_reg_size_table has been initialized.
406 2006-10-30 Roger Sayle <roger@eyesopen.com>
408 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
409 * ddg.c (print_ddg_edge): Likewise.
410 * dwarf2out.c (prune_unused_types_walk): Likewise.
411 * ifcvt.c (noce_try_cmove_arith): Likewise.
412 * langhooks.c (add_builtin_function): Likewise.
413 * reg-stack.c (subst_stack_regs_pat): Likewise.
414 * tree.c (expanded_location): Likewise.
415 * tree-dump.c (dequeue_and_dump): Likewise.
417 2006-10-30 David Daney <ddaney@avtrex.com>
419 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
421 2006-10-30 Jakub Jelinek <jakub@redhat.com>
423 PR tree-optimization/29637
424 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
425 of the innertype is the innertype itself.
427 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
429 * dwarf2out.c (file_name_acquire): Correct typo.
431 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
433 * tree.h (tree_value_handle): Remove struct value_set declaration.
434 Change value_set to bitmap_set.
435 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
436 * tree-vn.c (get_value_handle): Made inline and moved to
438 * tree-flow-inline.h: (has_stmt_ann): New function.
439 * tree-ssa-pre.c (expressions): New variable.
440 (next_expression_id): Ditto.
441 (alloc_expression_id): New function.
442 (struct value_set): Remove.
443 (get_expression_id): New function.
444 (get_or_alloc_expression_id): Ditto.
445 (expression_for_id): Ditto.
446 (clear_expression_ids): Ditto.
447 (FOR_EACH_EXPR_ID_IN_SET): New macro.
448 (bb_value_sets): Renamed to bb_bitmap_sets.
449 All value sets replaced with bitmap_sets.
451 (BB_VISITED): New macro.
452 (postorder): New variable.
453 (add_to_value): Removed.
454 (value_exists_in_set_bitmap): Ditto.
455 (value_insert_into_set_bitmap): Ditto.
459 (set_contains_value): Ditto.
460 (insert_into_set): Ditto.
462 (find_leader): Ditto.
463 (bitmap_set_subtract_from_value_set): Ditto.
464 (value_insert_into_set): Ditto.
465 (print_value_set): Ditto.
466 (debug_value_set): Ditto.
467 (constant_expr_p): New function.
468 (bitmap_remove_from_set): Ditto.
469 (bitmap_insert_into_set): Ditto.
470 (bitmap_set_free): Ditto.
472 (sorted_array_from_bitmap_set): Ditto.
473 (bitmap_set_subtract): Ditto.
474 (bitmap_set_equal): Ditto.
475 (debug_bitmap_set): Ditto.
476 (find_leader_in_sets): Ditto.
477 (bitmap_set_replace_value): Modify for bitmapped sets.
478 (phi_translate): Ditto.
479 (phi_translate_set): Ditto.
480 (bitmap_find_leader): Ditto.
481 (valid_in_sets): Ditto.
482 (union_contains_value): Ditto.
484 (compute_antic_aux): Ditto. Mark changed blocks.
485 (compute_antic): Ditto. Iterate in postorder and only over
487 (compute_rvuse_and_antic_safe): Reuse postorder.
488 (create_component_ref_by_pieces): Modify for bitmapped sets.
489 (find_or_generate_expression): Ditto.
490 (create_expression_by_pieces): Ditto.
491 (insert_into_preds_of_block): Ditto.
492 (changed_blocks): New variable.
493 (do_regular_insertion): Broken out from insert_aux.
494 (insert_aux): Modified for bitmapped sets.
495 (find_existing_value_expr): New function.
496 (create_value_expr_from): Use it.
497 (insert_extra_phis): Removed.
498 (print_bitmap_set): Renamed from bitmap_print_value_set.
499 (compute_avail): Handle RETURN_EXPR.
500 (init_pre): Modify for bitmapped sets.
501 * tree-flow.h (has_stmt_ann): New function.
503 2006-10-29 Roger Sayle <roger@eyesopen.com>
505 * builtins.c (fold_builtin_floor): Check for the availability of
506 the C99 trunc function before transforming floor into trunc.
508 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
510 * builtins.c (fold_builtin_hypot): Rearrange recursive
511 transformation before others, and also do ABS_EXPR. When
512 necessary, check flag_unsafe_math_optimizations. When necessary,
515 2006-10-29 Roger Sayle <roger@eyesopen.com>
517 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
518 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
519 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
520 Fold -X eq/ne -Y as X eq/ne Y.
522 2006-10-29 Richard Sandiford <richard@codesourcery.com>
524 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
525 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
526 rather than GENERATE_MULT3_SI in the various define_peephole2s.
527 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
528 Use an inclusive test for "mult" rather than "mul".
529 (rotr<mode>3): Depend on ISA_HAS_ROR.
530 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
532 (GENERATE_MULT3_DI): Delete.
533 (ISA_HAS_64BIT_REGS): Use consistent formatting.
534 (ISA_HAS_MUL3): New macro.
535 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
536 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
537 (ISA_HAS_CLZ_CLO): Likewise.
538 (ISA_HAS_DCLZ_DCLO): Delete.
539 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
540 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
541 the VR4120 and VR4130.
542 (ISA_HAS_MACCHI): Use consistent formatting.
543 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
544 (ISA_HAS_ROR): ...this new macro.
545 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
546 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
547 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
549 2006-10-29 Roger Sayle <roger@eyesopen.com>
551 PR tree-optimization/15458
552 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
555 2006-10-29 Richard Guenther <rguenther@suse.de>
557 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
558 (ix86_expand_truncdf_32): Likewise.
559 * config/i386/i386.c (ix86_expand_trunc): New function expanding
560 trunc inline for SSE math and -fno-trapping-math and if not
562 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
563 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
564 for expanding btrunc inline for SSE math.
566 2006-10-29 Joseph Myers <joseph@codesourcery.com>
568 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
569 Handle tuning for bi-arch i[34567]86-*-linux* like that for
570 i[34567]86-*-solaris2.1[0-9]*.
571 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
572 Define conditionally depending on TARGET_64BIT_DEFAULT.
573 (SPEC_32, SPEC_64): Define.
574 (LINK_SPEC): Use them.
575 * doc/install.texi (--enable-targets=all): Document for x86-linux.
577 2006-10-29 Richard Guenther <rguenther@suse.de>
579 * config/i386/i386-protos.h (ix86_expand_round): Declare.
580 (ix86_expand_rounddf_32): Likewise.
581 * config/i386/i386.c (ix86_expand_round): New function expanding
582 round inline for SSE math and -fno-trapping-math and if not
584 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
585 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
586 round via ix86_expand_round.
588 2006-10-29 Richard Guenther <rguenther@suse.de>
590 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
591 (ix86_expand_floorceildf_32): Likewise.
592 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
593 static helper function.
594 (ix86_expand_floorceil): Expander for floor and ceil to SSE
596 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
597 * config/i386/i386.md (floordf2): Adjust to enable floor
598 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
599 -fno-trapping-math is enabled and if not optimizing for size.
600 (floorsf2, ceildf2, ceilsf2): Likewise.
601 * config/i386/sse.md (sse_maskcmpsf3): New insn.
602 (sse2_maskcmpdf3): Likewise.
604 2006-10-29 Richard Guenther <rguenther@suse.de>
606 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
607 rint in case -fno-trapping-math is enabled.
608 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
609 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
610 (ix86_expand_sse_fabs): Likewise.
611 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
612 * config/i386/i386.md (rintdf2): Enable for SSE math if
613 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
616 2006-10-29 Richard Guenther <rguenther@suse.de>
618 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
619 to conversion optabs.
620 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
622 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
623 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
624 (lfloor_optab, lceil_optab): Adjust defines.
625 * builtins.c (expand_builtin_int_roundingfn): Adjust for
626 lfloor and lceil optabs now being conversion optabs.
627 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
628 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
629 New static helper function.
630 (ix86_expand_lfloorceil): New function to expand lfloor and
632 * config/i386/i386.md (lfloor<mode>2): Split into ...
633 (lfloorxf<mode>2): ... x87 variant
634 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
635 using ix86_expand_lfloorceil.
636 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
638 * doc/md.texi (lfloorMN, lceilMN): Document.
640 2006-10-29 Richard Sandiford <richard@codesourcery.com>
642 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
643 -mno-shared assembler option on mips targets.
644 * configure, config.in: Regenerate.
645 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
646 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
647 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
649 2006-10-29 Richard Sandiford <richard@codesourcery.com>
651 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
652 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
654 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
656 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
657 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
660 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
663 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
664 (fold_builtin_pow): Evaluate constant arguments at compile-time
666 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
667 (do_mpfr_ckconv): New helper function.
668 (do_mpfr_arg1): Use do_mpfr_ckconv.
671 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
674 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
675 (-fdump-rtl-sched): Rename to ..
676 (-fdump-rtl-sched1): here. Also fix file extension number.
678 2006-10-28 Richard Guenther <rguenther@suse.de>
680 * fold-const.c (maybe_canonicalize_comparison): Fix code
683 2006-10-28 Uros Bizjak <uros@kss-loka.si>
685 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
686 (NON_QI_REG_P): Use IN_RANGE.
687 (REX_INT_REGNO_P): Use IN_RANGE.
688 (FP_REGNO_P): Use IN_RANGE.
689 (SSE_REGNO_P): Use IN_RANGE.
690 (REX_SSE_REGNO_P): Use IN_RANGE.
691 (MMX_REGNO_P): Use IN_RANGE.
692 (STACK_REGNO_P): New macro.
693 (STACK_REG_P): Use STACK_REGNO_P.
694 (NON_STACK_REG_P): Use STACK_REGNO_P.
695 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
696 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
697 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
698 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
699 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
701 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
703 * except.h (output_function_exception_table): Add 'const char*' param.
704 * except.c (switch_to_exception_section): Add 'const char*' param.
705 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
706 and flag_function_sections is set, use a function-specific section.
707 (output_function_exception_table): Add 'const char*' param.
708 Adjust call to switch_to_exception_section.
709 * final.c (rest_of_handle_final): Adjust calls to
710 output_function_exception_table.
711 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
712 * config.in: Regenerate.
713 * configure: Likewise.
715 2006-10-28 Richard Guenther <rguenther@suse.de>
718 * fold-const.c (maybe_canonicalize_comparison_1): Helper
719 for maybe_canonicalize_comparison.
720 (maybe_canonicalize_comparison): New function for canonicalizing
722 (fold_comparison): Call it to canonicalize comparisons with
725 2006-10-28 Richard Guenther <rguenther@suse.de>
728 * builtins.c (expand_builtin_int_roundingfn_2): Expand
729 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
730 (expand_builtin): Adjust likewise.
731 * genopinit.c (optabs[]): Add lround optab.
732 * optabs.c (init_optabs): Initialize lround_optab.
733 * optabs.h (enum convert_optab_index): Add COI_lround.
734 (lround_optab): Define.
735 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
736 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
738 (ix86_expand_lround): New function.
739 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
741 * doc/md.texi (lroundMN2): Document.
743 2006-10-28 Uros Bizjak <uros@kss-loka.si>
746 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
747 argument to HOST_WIDE_INT. Update function prototype.
748 (round_frame_size): Change return type to HOST_WIDE_INT. Change
749 "size" argument to HOST_WIDE_INT. Update function prototype.
751 2006-10-28 Uros Bizjak <uros@kss-loka.si>
753 * config/i386/i386.c (output_387_ffreep): Create output from a
754 template string for !HAVE_AS_IX86_FFREEP.
756 2006-10-27 Eric Christopher <echristo@apple.com>
758 * config/darwin.c: Fix formatting and grammar.
760 2006-10-27 Jan Hubicka <jh@suse.cz>
762 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
763 to be thrown away soon when IGNORE is set.
764 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
765 indicating when return value shall not be computed.
766 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
768 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
770 * config/i386/i386.h (TARGET_GEODE):
771 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
772 (TARGET_CPU_DEFAULT_geode): New macro.
773 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
774 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
775 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
776 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
777 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
779 (TARGET_CPU_DEFAULT_NAMES): Add geode.
780 (processor_type): Add PROCESSOR_GEODE.
782 * config/i386/i386.md: Include geode.md.
785 * config/i386/i386.c (geode_cost): New initialized global
787 (m_GEODE, m_K6_GEODE): New macros.
788 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
789 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
790 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
791 x86_schedule): Use m_K6_GEODE instead of m_K6.
792 (x86_movx, x86_cmove): Set up m_GEODE.
793 (x86_integer_DFmode_moves): Clear m_GEODE.
794 (processor_target_table): Add entry for geode.
795 (processor_alias_table): Ditto.
797 * config/i386/geode.md: New file.
799 * doc/invoke.texi: Add entry about geode processor.
801 2006-10-27 Mike Stump <mrs@apple.com>
803 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
804 __DYNAMIC__ from here back to ...
805 * config/darwin.h (CPP_SPEC): ... here.
807 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
808 Nathan Sidwell <nathan@codesourcery.com>
810 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
811 when choosing the minimum heapsize.
813 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
815 * gcc/unwind-dw2.h: Move cfa-related variables into
816 struct frame_state_reg_info to ensure that the CFA is properly
817 handled when executing DW_CFA_{remember,restore}_state.
818 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
819 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
820 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
821 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
822 gcc/config/rs6000/linux-unwind.h,
823 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
824 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
825 Modify to use new cfa_* fields.
827 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
829 * config/s390/s390.c (s390_init_frame_layout): Check positive
832 2006-10-26 Ben Elliston <bje@au.ibm.com>
834 * gimplify.c (get_name): Remove extraneous break.
835 (gimplify_omp_for): Initialise ret with GS_OK.
837 2006-10-25 Steve Ellcey <sje@cup.hp.com>
839 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
840 Add unix98.o to link line.
842 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
845 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
846 Calculate compile-time constants using MPFR.
847 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
848 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
850 2006-10-25 Bob Wilson <bob.wilson@acm.org>
852 * config/xtensa/lib2funcs.S: Use C-style comments.
854 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
856 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
857 (file_table_relative_p): Likewise.
858 (dwarf2out_finish): Likewise.
859 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
861 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
863 * tree-ssa-structalias.c (intra_create_variable_infos):
864 Don't recreate nonlocal_all if it already exists.
866 2006-10-25 Richard Guenther <rguenther@suse.de>
869 * optabs.h (enum optab_index): Remove OTI_lrint.
870 (enum convert_optab_index): Add COI_lrint.
871 (lrint_optab): Adjust.
872 (expand_sfix_optab): Declare.
873 * optabs.c (expand_sfix_optab): New function.
874 (init_optabs): Init lrint_optab as conversion optab.
875 * genopinit.c (lrint_optab): Change to a conversion optab.
876 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
877 expansion via conversion optab.
878 * config/i386/i386.md (*fistdi2_1): Remove
879 flag_unsafe_math_optimizations guard.
880 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
881 fist<mode>2_with_temp): Likewise.
882 (lrint<mode>2): Split into...
883 (lrintxf<mode>2): ... x87 part
884 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
885 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
886 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
887 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
888 * doc/md.texi (lrintMN2): Document.
890 2006-10-25 Uros Bizjak <uros@kss-loka.si>
893 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
894 Use inc and dec instructions for TARGET_USE_INCDEC.
895 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
896 ("sync_double_compare_and_swap<mode>"): Likewise.
897 ("*sync_double_compare_and_swapdi_pic"): Likewise.
898 ("*sync_compare_and_swap_cc<mode>"): Likewise.
899 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
900 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
901 ("sync_old_add<mode>"): Likewise.
902 ("sync_lock_test_and_set<mode>"): Likewise.
903 ("sync_lock_test_and_set<mode>"): Likewise.
904 ("sync_add<mode>"): Likewise.
905 ("sync_sub<mode>"): Likewise.
906 ("sync_ior<mode>"): Likewise.
907 ("sync_and<mode>"): Likewise.
908 ("sync_xor<mode>"): Likewise.
910 2006-10-25 Uros Bizjak <uros@kss-loka.si>
912 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
913 (remainder_optab): Define corresponding macro.
914 (drem_optab): Remove.
915 * optabs.c (init_optabs): Initialize remainder_optab. Remove
916 drem_optab initialization.
917 * genopinit.c (optabs): Implement remainder_optab using
918 remainder?f3 patterns. Remove drem_optab.
919 * builtins.c (expand_builtin_mathfn_2): Handle
920 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
921 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
922 expand_builtin_mathfn_2.
924 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
925 depend on flag_unsafe_math_optimizations.
927 * config/i386/i386.md ("remaindersf3", "remainderdf3")
928 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
929 Do not depend on flag_unsafe_math_optimizations. Use
930 truncxf?f expander instead of truncxf?f_i387_noop.
932 ("fpremxf4", "fprem1xf4"): Do not depend on
933 flag_unsafe_math_optimizations.
934 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
935 flag_unsafe_math_optimizations. Use truncxf?f expander
936 instead of truncxf?f_i387_noop.
938 * doc/md.texi (fmod, remainder): Document standard named pattern.
940 2006-10-24 Richard Sandiford <richard@codesourcery.com>
941 David Daney <ddaney@avtrex.com>
944 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
946 2006-10-25 Ben Elliston <bje@au.ibm.com>
948 * doc/extend.texi (Variable Attributes): Typo fix.
950 2006-10-24 Uros Bizjak <uros@kss-loka.si>
952 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
953 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
954 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
955 (FRAME_POINTER_REGNUM): Update register number to 21.
956 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
957 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
959 * config/i386/i386.c (regclass_map): Add fpcr entry.
960 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
962 (print_reg): Assert REGNO (x) != FPCR_REG.
964 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
965 (DIRFLAG_REG): Renumber.
966 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
967 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
968 (sse_prologue_save, *sse_prologue_save_insn): Renumber
969 hardcoded SSE register numbers.
971 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
972 hardcoded MMX register numbers.
974 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
977 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
978 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
980 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
981 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
982 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
983 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
985 2006-10-24 Richard Guenther <rguenther@suse.de>
988 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
989 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
990 for deciding optimizations in consistency with fold-const.c
991 (fold_builtin_unordered_cmp): Likewise.
993 2006-10-24 Richard Guenther <rguenther@suse.de>
995 * builtins.c (fold_builtin_floor): Fold floor (x) where
996 x is nonnegative to trunc (x).
997 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
998 nonnegative to FIX_TRUNC_EXPR.
1000 2006-10-24 Richard Guenther <rguenther@suse.de>
1002 PR tree-optimization/29567
1003 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1004 for TRUTH_NOT_EXPR. Clarify comments.
1006 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1009 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1010 at compile-time using MPFR. Change parameter VALUE to FUNC,
1012 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1013 for overflow and underflow at all times and avoid folding in
1016 2006-10-24 Ben Elliston <bje@au.ibm.com>
1018 * reload1.c: Formatting fixes.
1020 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1022 PR tree-optimization/14784
1023 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1024 * tree-ssa-structalias.c (get_constraint_for,
1025 intra_create_variable_infos): Set is_heapvar.
1026 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1027 non-heapvar pointer variables specially.
1029 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1032 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1033 fold_builtin_tan): Fold all constant arguments. Take a "type"
1034 argument as necessary.
1035 (do_mpfr_arg1): New.
1036 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1038 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1040 * config/xtensa/lib1funcs.asm: Use C-style comments.
1042 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1044 * tree.c (local_define_builtin): Replace calls to
1045 lang_hooks.builtin_function with add_builtin_function.
1046 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1048 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1050 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1051 common code to add_builtin_function.
1052 * langhooks.c (add_builtin_function): New function.
1053 (lhd_builtin_function): New function.
1054 * langhooks.h (struct lang_hooks): Change the signature of
1056 (add_builtin_function): New function.
1057 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1058 calls to lang_hooks.builtin_function with add_builtin_function.
1059 * c-common.c (decl_builtin_1): Replace calls to
1060 lang_hooks.builtin_function with add_builtin_function.
1061 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1062 lang_hooks.builtin_function with add_builtin_function.
1063 * config/frv/frv.c (def_builtin): Replace calls to
1064 lang_hooks.builtin_function with add_builtin_function.
1065 * config/s390/s390.c (s390_init_builtins): Replace calls to
1066 lang_hooks.builtin_function with add_builtin_function.
1067 * config/sparc/sparc.c (def_builtin): Replace calls to
1068 lang_hooks.builtin_function with add_builtin_function.
1069 * config/i386/i386.c (def_builtin): Replace calls to
1070 lang_hooks.builtin_function with add_builtin_function.
1071 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1072 lang_hooks.builtin_function with add_builtin_function.
1073 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1074 lang_hooks.builtin_function with add_builtin_function.
1075 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1076 Replace calls to lang_hooks.builtin_function with
1077 add_builtin_function.
1078 * config/iq2000/iq2000.c (def_builtin):
1079 Replace calls to lang_hooks.builtin_function with
1080 add_builtin_function.
1081 * config/ia64/ia64.c (def_builtin): Replace calls to
1082 lang_hooks.builtin_function with add_builtin_function.
1083 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1084 lang_hooks.builtin_function with add_builtin_function.
1085 (altivec_init_builtins): Replace calls to
1086 lang_hooks.builtin_function with add_builtin_function.
1087 * config/arm/arm.c (def_mbuiltin): Replace calls to
1088 lang_hooks.builtin_function with add_builtin_function.
1089 (arm_init_tls_builtins): Replace calls to
1090 lang_hooks.builtin_function with add_builtin_function.
1091 * config/mips/mips.c (mips_init_builtins): Replace calls to
1092 lang_hooks.builtin_function with add_builtin_function.
1093 * config/bfin/bfin.c (def_builtin): Replace calls to
1094 lang_hooks.builtin_function with add_builtin_function.
1095 * langhooks-def.h (lhd_builtin_function): New function.
1096 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1098 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1100 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1101 BUILT_IN_STRNCAT_CHK.
1103 2006-10-23 Jan Hubicka <jh@suse.cz>
1105 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1106 don't do conversion from memmove to memcpy here.
1107 (expand_builtin_bcopy, expand_builtin): Update call of
1108 expand_builtin_memmove.
1109 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1111 2006-10-23 Paul Brook <paul@codesourcery.com>
1113 * stor-layout.c (start_record_layout): maximum_field_alignment
1114 overrides STRUCTURE_SIZE_BOUNDARY.
1116 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1118 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1119 nonlocal function symbols if flag_pic.
1121 2006-10-23 Richard Guenther <rguenther@suse.de>
1125 * builtins.c (fold_binary): Remove checks for flag_wrapv
1126 and flag_trapv where negate_expr_p covers these cases.
1128 2006-10-23 Richard Guenther <rguenther@suse.de>
1131 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1132 of two on the absolute value.
1133 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1134 and negating -C does not overflow.
1136 2006-10-23 Richard Guenther <rguenther@suse.de>
1139 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1140 only if not flag_rounding_math.
1142 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1143 Kaz Kojima <kkojima@gcc.gnu.org>
1146 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1147 SImode memory reference for the source of a movua.
1148 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1149 (movua): Use an unspec instead of sign_extract. Expect the source
1150 to have mode BLKmode.
1151 (extv, insv): Use a BLKmode rather than SImode memory reference
1152 for the source of a movua.
1154 2006-10-22 Jeff Law <law@redhat.com>
1155 Richard Guenther <rguenther@suse.de>
1157 PR tree-optimization/15911
1158 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1159 (register_edge_assert_for_1): Likewise.
1160 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1161 (find_conditional_asserts): Adjust for new function signature.
1162 (find_assert_locations): Likewise.
1164 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1166 * config/i386/tmmintrin.h: Remove the duplicated content.
1168 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1170 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1171 (x86_64-*-*): Likewise.
1173 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1174 (override_options): Check SSSE3.
1175 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1176 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1177 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1178 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1179 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1180 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1181 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1182 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1183 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1184 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1185 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1186 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1187 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1188 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1189 IX86_BUILTIN_PABSD128.
1190 (bdesc_2arg): Add SSSE3.
1191 (bdesc_1arg): Likewise.
1192 (ix86_init_mmx_sse_builtins): Support SSSE3.
1193 (ix86_expand_builtin): Likewise.
1194 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1196 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1197 (UNSPEC_PSIGN): Likewise.
1198 (UNSPEC_PALIGNR): Likewise.
1199 Include mmx.md before sse.md.
1201 * config/i386/i386.opt: Add -mssse3.
1203 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1204 (ssse3_phaddwv4hi3): Likewise.
1205 (ssse3_phadddv4si3): Likewise.
1206 (ssse3_phadddv2si3): Likewise.
1207 (ssse3_phaddswv8hi3): Likewise.
1208 (ssse3_phaddswv4hi3): Likewise.
1209 (ssse3_phsubwv8hi3): Likewise.
1210 (ssse3_phsubwv4hi3): Likewise.
1211 (ssse3_phsubdv4si3): Likewise.
1212 (ssse3_phsubdv2si3): Likewise.
1213 (ssse3_phsubswv8hi3): Likewise.
1214 (ssse3_phsubswv4hi3): Likewise.
1215 (ssse3_pmaddubswv8hi3): Likewise.
1216 (ssse3_pmaddubswv4hi3): Likewise.
1217 (ssse3_pmulhrswv8hi3): Likewise.
1218 (ssse3_pmulhrswv4hi3): Likewise.
1219 (ssse3_pshufbv16qi3): Likewise.
1220 (ssse3_pshufbv8qi3): Likewise.
1221 (ssse3_psign<mode>3): Likewise.
1222 (ssse3_psign<mode>3): Likewise.
1223 (ssse3_palignrti): Likewise.
1224 (ssse3_palignrdi): Likewise.
1225 (abs<mode>2): Likewise.
1226 (abs<mode>2): Likewise.
1228 * config/i386/tmmintrin.h: New file.
1230 * doc/extend.texi: Document SSSE3 built-in functions.
1232 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1234 2006-10-22 Ira Rosen <irar@il.ibm.com>
1236 * tree-vect-transform.c (vectorizable_load): Use the type of the
1237 return value of the mask_for_load builtin to create realign_load
1240 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1242 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1245 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1247 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1248 (UNSPEC_LDDQU): This.
1249 * config/i386/sse.md (sse3_lddqu): Updated.
1251 2006-10-21 Richard Guenther <rguenther@suse.de>
1253 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1254 (expand_builtin): Use it to expand lrint instead of
1255 expand_builtin_mathfn.
1257 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1260 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1261 flag_unsafe_math_optimizations is set.
1263 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1266 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1267 patterns to use memory input operand in x87->mem->XMM
1268 reload sequences. Skip transformation for TARGET_K8.
1270 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1272 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1273 force operand1 to register if both operands are memory operands.
1274 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1275 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1276 if both operands are memory operands.
1277 (truncdfsf2): Do not force operand1 to register if both operands
1278 are memory operands.
1280 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1282 * Makefile.in (LIBS): Add $(GMPLIBS).
1283 * doc/install.texi: Update GMP and MPFR requirements.
1284 * doc/sourcebuild.texi (need_gmp): Delete.
1286 2006-10-21 Richard Guenther <rguenther@suse.de>
1288 PR tree-optimization/3511
1289 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1290 got new invariant arguments during PHI translation.
1292 2006-10-21 Richard Guenther <rguenther@suse.de>
1295 * fold-const.c (fold_comparison): Fold signed comparisons
1296 of the form X +- C1 CMP Y +- C2.
1298 2006-10-21 Richard Guenther <rguenther@suse.de>
1301 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1302 if flag_unsafe_math_optimizations is specified. We have
1303 flag_finite_math_only for that.
1304 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1305 or flag_unsafe_math_optimizations.
1307 2006-10-21 Richard Guenther <rguenther@suse.de>
1309 * builtins.c (fold_builtin_classify): Fix typo.
1311 2006-10-21 Richard Guenther <rguenther@suse.de>
1314 * simplify-rtx.c (simplify_const_relational_operation):
1315 Do not constant-fold ORDERED and UNORDERED for
1316 flag_unsafe_math_optimizations but only we do not need to
1317 honor NaNs for the given mode.
1319 2006-10-21 Richard Guenther <rguenther@suse.de>
1322 * config/i386/i386.c (classify_argument): Remove redundant
1323 walking of the BINFOs.
1324 (contains_128bit_aligned_vector_p): Likewise.
1326 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1328 * BASE-VER: Set to 4.3.0.
1330 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1332 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1333 (tree_decl_with_vis): Remove artificial_pta_var flag.
1334 * tree-flow.h (referenced_var_check_and_insert): Expose.
1335 (nonlocal_all): New prototype.
1336 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1337 (nonlocal_all): Make global.
1338 (nonlocal_lookup): Remove.
1339 (nonlocal_insert): Ditto.
1340 (create_nonlocal_var): Do not call nonlocal_insert.
1341 (get_nonlocal_id_for_type): Remove.
1342 (find_global_initializers): Mark new vars we find for renaming.
1343 (intra_create_variable_infos): Only create one nonlocal.
1344 (expand_nonlocal_solutions): Remove.
1345 (compute_points_to_sets): Don't call it.
1346 (ipa_pta_execute): Ditto.
1347 (init_alias_heapvars): Don't create nonlocal_for_type.
1348 (delete_alias_heapvars): Don't remove it.
1349 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1352 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1354 * doc/install.texi (Downloading GCC): Clarify mention of
1355 Fortran in the "full distribution" description.
1357 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1359 Fix PR tree-optimization/28778
1360 Fix PR tree-optimization/29156
1361 Fix PR tree-optimization/29415
1362 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1363 (tree_decl_with_vis): Add artificial_pta_var flag.
1364 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1365 pushed into callers.
1366 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1367 (nonlocal_all): Ditto.
1368 (struct variable_info): Add directly_dereferenced member.
1369 (var_escaped_vars): New variable.
1370 (escaped_vars_tree): Ditto.
1371 (escaped_vars_id): Ditto.
1372 (nonlocal_vars_id): Ditto.
1373 (new_var_info): Set directly_dereferenced.
1374 (graph_size): New variable
1375 (build_constraint_graph): Use graph_size.
1376 (solve_graph): Don't process constraints that cannot change the
1377 solution, don't try to propagate an empty solution to our
1379 (process_constraint): Set directly_dereferenced.
1380 (could_have_pointers): New function.
1381 (get_constraint_for_component_ref): Don't process STRING_CST.
1382 (nonlocal_lookup): New function.
1383 (nonlocal_insert): Ditto.
1384 (create_nonlocal_var): Ditto.
1385 (get_nonlocal_id_for_type): Ditto.
1386 (get_constraint_for): Allow results vector to be empty in the case
1387 of string constants.
1388 Handle results of calls properly.
1389 (update_alias_info): Update alias info stats on number and type of
1391 (find_func_aliases): Use could_have_pointers.
1392 (make_constraint_from_escaped): Renamed from
1393 make_constraint_to_anything, and changed to make constraints from
1395 (make_constraint_to_escaped): New function.
1396 (find_global_initializers): Ditto.
1397 (create_variable_info_for): Make constraint from escaped to any
1398 global variable, and from any global variable to the set of
1400 (intra_create_variable_infos): Deal with escaped instead of
1401 pointing to anything.
1402 (set_uids_in_ptset): Do type pruning on directly dereferenced
1404 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1405 (init_base_vars): Fix comment, and initialize escaped_vars.
1406 (need_to_solve): Removed.
1407 (find_escape_constraints): New function.
1408 (expand_nonlocal_solutions): Ditto.
1409 (compute_points_to_sets): Call find_escape_constraints and
1410 expand_nonlocal_solutions.
1411 (delete_points_to_sets): Don't fall off the end of the graph.
1412 (init_alias_heapvars): Initialize nonlocal_for_type and
1414 (delete_alias_heapvars): Free nonlocal_for_type and null out
1417 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1419 * fold-const.c (add_double): Rename to add_double_with_sign.
1420 Add 'unsigned_p' parameter and take it into account for the overflow.
1421 (mul_double): Rename to mul_double_with_sign.
1422 Add 'unsigned_p' parameter and take it into account for the overflow.
1423 (fold_div_compare): Call add_double_with_sign instead of add_double
1424 and mul_double_with_sign instead of mul_double, passing them the
1425 unsignedness of the type.
1426 * tree.h (add_double): Macroize.
1427 (add_double_with_sign): New prototype.
1428 (mul_double): Macroize.
1429 (mul_double_with_sign): New prototype.
1431 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1433 * config/score/crti.asm: New file.
1434 * config/score/crtn.asm: New file.
1435 * config/score/elf.h: New file.
1436 * config/score/mac.md: New file.
1437 * config/score/misc.md: New file.
1438 * config/score/mul-div.S: New file.
1439 * config/score/predicates.md: New file.
1440 * config/score/score7.md: New file.
1441 * config/score/score.c: New file.
1442 * config/score/score-conv.h: New file.
1443 * config/score/score.h: New file.
1444 * config/score/score.md: New file.
1445 * config/score/score-mdaux.c: New file.
1446 * config/score/score-mdaux.h: New file.
1447 * config/score/score-modes.def: New file.
1448 * config/score/score.opt: New file.
1449 * config/score/score-protos.h: New file.
1450 * config/score/score-version.h: New file.
1451 * config/score/t-score-elf: New file.
1452 * config.gcc: Add score*-*-* configurations(Update before).
1453 * doc/invoke.texi (Score Options): New section.
1454 * doc/md.texi (Score family): New section to document constraints.
1456 2006-10-19 Nick Clifton <nickc@redhat.com>
1458 * config/arm/arm.c: Fix spelling typo.
1460 2006-10-18 Tom Tromey <tromey@redhat.com>
1462 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1464 2006-10-18 Jan Hubicka <jh@suse.cz>
1467 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1470 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1472 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1473 TSI_SAME_STMT, since that's the desired entity.
1475 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1477 * config/s390/contraints.md: New file.
1478 * config/s390/s390-protos.h (s390_mem_constraint,
1479 s390_O_constraint_str, s390_N_constraint_str,
1480 s390_float_const_zero_p): Function prototypes added.
1481 * config/s390/s390.c (s390_extra_constraint_str,
1482 s390_const_double_ok_for_constraint_p,
1483 s390_const_ok_for_constraint_p): Functions removed.
1484 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1485 s390_float_const_zero_p): New functions.
1486 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1487 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1488 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1489 Macro definitions removed.
1490 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1491 s390_extra_constraint_str): Functions removed.
1493 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1494 Richard Sandiford <richard@codesourcery.com>
1497 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1498 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1500 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1502 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1503 (DWARF2_FRAME_REG_OUT): Likewise.
1504 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1505 (DWARF2_FRAME_REG_OUT): Likewise.
1507 2006-10-17 Paul Brook <paul@codesourcery.com>
1509 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1511 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1513 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1514 Standardize on "GNU Fortran" as the official name of the Fortran
1517 2006-10-16 Mike Stump <mrs@apple.com>
1519 * doc/invoke.texi (Darwin Options): Document -mkernel.
1520 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1522 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1523 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1524 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1525 (OS_MISSING_ALTIVEC): Add.
1526 * config/i386/i386.c (override_options): Add
1527 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1528 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1529 -mkernel, -static or -mdynamic-no-pic is given.
1530 (C_COMMON_OVERRIDE_OPTIONS): Add.
1531 * config/darwin.opt (fapple-kext): Add.
1533 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1534 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1536 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1537 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1538 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1539 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1540 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1541 (flag_mkernel): Add.
1542 (flag_apple_kext): Add.
1543 (TARGET_KEXTABI): Add.
1544 * config/darwin.c (darwin_handle_kext_attribute): Add.
1545 (DARWIN_VTABLE_P): Add.
1546 (darwin_binds_local_p): Add partial support for rebinding vtables
1548 (darwin_kextabi_p): Add.
1549 (darwin_override_options): Add.
1550 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1551 (darwin_kextabi_p): Add.
1552 (darwin_override_options): Add.
1553 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1554 __DYNAMIC__ and __STATIC__ here.
1556 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1558 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1559 Added mention of "make pdf" target, and Texinfo requirements for
1562 2006-10-16 DJ Delorie <dj@redhat.com>
1564 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1565 into the GOT in case we need a subreg of the address.
1567 2006-10-16 Richard Guenther <rguenther@suse.de>
1570 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1571 SSE builtin documentation. Document SSE2 builtins.
1573 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1575 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1576 symbol in the output file for non-shared links when -nostdlib or
1577 -nodefaultlibs isn't specified.
1579 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1580 posix thread support.
1582 2006-10-15 Jan Hubicka <jh@suse.cz>
1585 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1586 declared always_inline even when not inlining.
1588 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1589 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1590 Andrew Pinski <pinskia@gmail.com>
1593 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1595 2006-10-15 Jan Hubicka <jh@suse.cz>
1596 Richard Guenther <rguenther@suse.de>
1599 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1600 process_function_and_variable_attributes on all variables, including
1601 those discovered during cgraph construction phase.
1603 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1605 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1607 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1609 * config/i386/athlon.md (athlon_fist): Add fisttp.
1611 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1612 Ian Lance Taylor <ian@airs.com>
1615 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1616 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1619 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1621 * config/score/score.c, config/score/score.h: Fix comment
1624 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1627 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1630 2006-10-13 Eric Christopher <echristo@apple.com>
1632 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1634 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1637 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1638 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1639 alignment supported by 32-bit ELF.
1641 2006-10-13 Eric Christopher <echristo@apple.com>
1643 * config/darwin.c (darwin_emit_unwind_label): Strip
1644 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1646 2006-10-13 Richard Guenther <rguenther@suse.de>
1648 PR tree-optimization/29446
1649 * tree-vrp.c (fix_equivalence_set): Remove.
1650 (extract_range_from_assert): Do not call fix_equivalence_set.
1651 (debug_value_range): Print a newline.
1652 (compare_name_with_value): For equivalence sets with
1653 inconsistent value ranges conservatively bail out.
1654 (compare_names): Likewise.
1656 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1658 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1659 and MPFR for gfortran.
1661 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1663 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1664 alignment supported by 32-bit ELF.
1666 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1670 * c-typeck.c (digest_init): Always allow initializing vectors
1671 that have static storage duration with compound literals.
1672 * tree.c (build_type_attribute_qual_variant): New, based on
1673 build_type_attribute_variant.
1674 (build_type_attribute_variant): Rewrite using the former.
1675 (make_vector_type): Use build_type_attribute_qual_variant to build
1676 type variants. Use type_hash_canon on the others.
1678 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1679 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1681 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1683 2006-10-12 Jan Hubicka <jh@suse.cz>
1686 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1687 current_function_decl is set but current_function_scope is not.
1689 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1691 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1692 emit_insn to emit eh_return_internal instruction.
1693 (eh_return_internal): Explicitly set pc.
1695 2006-10-11 Richard Guenther <rguenther@suse.de>
1697 PR tree-optimization/28230
1698 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1699 to the correct place.
1701 2006-10-11 Richard Guenther <rguenther@suse.de>
1704 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1707 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1709 * configure.ac: Added pdf to "Make-hooks"
1710 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1711 targets and *.pdf file patterns in cleanup targets.
1712 * configure: Regenerated.
1714 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1716 * config/avr/predicates.md: New file.
1717 * config/avr/avr.md: Include it.
1718 (REG_SP): New constant.
1719 (peepholes): Use predicates.
1720 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1721 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1722 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1724 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1726 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1729 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1732 * builtins.c (var_decl_component_p): New function.
1733 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1734 single entry optimization to variables and components thereof.
1736 2006-10-10 Richard Guenther <rguenther@suse.de>
1738 PR rtl-optimization/29323
1739 * except.c (set_nothrow_function_flags): For functions
1740 that do not bind local bail out early.
1742 2006-10-10 Ben Elliston <bje@au.ibm.com>
1744 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1747 2006-10-09 Richard Henderson <rth@redhat.com>
1749 Revert emutls patch.
1751 2006-10-09 Richard Guenther <rguenther@suse.de>
1754 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1757 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1760 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1761 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1762 * configure: Regenerate.
1763 * config.in: Regenerate.
1765 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1767 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1769 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1771 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1772 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1773 Remove stray newline.
1775 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1777 * config/mips/mips.c (mips_classify_symbol): Do not return
1778 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1779 (mips_in_small_data_p): Tweak comments.
1781 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1783 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1785 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1787 * gimplify.c, sched-int.h: Fix comment typos.
1789 * sched-int.h: Fix comment typos.
1791 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1793 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1795 * sched-ebb.c (begin_schedule_ready): Use them.
1796 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1797 add_to_speculative_block, create_check_block_twin, speculate_insn,
1798 fix_jump_move, move_block_after_check): Ditto.
1799 * sched-rgn.c (new_ready): Ditto.
1801 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1803 PR rtl-optimization/29128
1804 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1805 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1806 allow interblock movement of speculation checks.
1808 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1811 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1812 casted to integer type.
1813 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1814 if they are significantly more expensive than [reg + index] ones.
1816 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1818 PR tree-optimization/29330
1819 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1820 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1821 on newly allocated ddrs.
1822 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1823 to VEC (loop_p, heap) pointer.
1824 (compute_data_dependences_for_loop): Adjust caller.
1825 (free_dependence_relations): Free DDR_LOOP_NEST.
1827 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1828 free DEPENDENCE_RELATIONS and DATAREFS.
1831 * builtins.c (expand_builtin_sync_operation,
1832 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1833 Use convert_to_mode to handle promoted arguments.
1835 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1837 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1839 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1841 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1843 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1845 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1846 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1847 Use <modeconstraint> instead of "r" as operand 1 constraint.
1849 2006-10-06 Olivier Hainque <hainque@adacore.com>
1851 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1852 Don't recurse on the pointed-to type.
1853 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1854 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1855 types with components of variable size.
1857 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1859 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1861 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1863 PR tree-optimization/29290
1864 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1868 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1869 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1872 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1873 the number of vector elements fill the rest with zeros.
1875 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1877 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1878 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1881 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1883 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1884 unnamed pattern into subsi3. Use correct constraints/predicates.
1885 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1886 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1888 2006-10-05 Ira Rosen <irar@il.ibm.com>
1890 * doc/loop.texi: Add data references analysis description.
1892 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1894 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1896 2006-10-04 Richard Henderson <rth@redhat.com>
1897 Jakub Jelinek <jakub@redhat.com>
1899 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1900 * builtin-types.def (BT_WORD): Make unsigned.
1901 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1902 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1903 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1904 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1905 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1906 * cgraph.c (decide_is_variable_needed): Look at force_output.
1907 Recurse for emulated tls.
1908 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1909 checks redundant with decide_is_variable_needed.
1910 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1911 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1913 * expr.c (emutls_var_address): New.
1914 (expand_expr_real_1): Expand emulated tls.
1915 (expand_expr_addr_expr_1): Likewise.
1916 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1917 * output.h (emutls_finish): Declare.
1918 * toplev.c (compile_file): Call it.
1919 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1920 address before wrapping in CONST.
1921 * varasm.c (emutls_htab, emutls_object_type): New.
1922 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1923 (get_emutls_object_name, get_emutls_object_type): New.
1924 (get_emutls_init_templ_addr, emutls_decl): New.
1925 (emutls_common_1, emutls_finish): New.
1926 (assemble_variable): When emulating tls, swap decls; generate
1927 constructor for the emutls objects.
1928 (do_assemble_alias): When emulating tls, swap decl and target name.
1929 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1931 * emutls.c: New file.
1932 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1933 tls_object for real tls.
1935 2006-10-04 Zack Weinberg <zackw@panix.com>
1937 Fix bug in constraint-check generator, reported by Rask Ingemann
1939 * genpreds.c (add_constraint): Don't remove anything from the
1941 (write_tm_constrs_h): Detect whether "op" argument is used, and
1942 mark it ARG_UNUSED if it isn't.
1943 (write_insn_const_int_ok_for_constraint): Skip the part of the
1944 expression that would test whether "op" (which is not available
1945 here) is a CONST_INT.
1947 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1950 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1952 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1954 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1955 current Leopard versions.
1956 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1958 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1960 * doc/install.texi: Fix typos.
1962 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1964 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1965 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1966 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1968 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1970 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1971 arg to be struct mach_header_64* instead.
1973 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1976 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1977 side effects after the outer expression's post side effects.
1979 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1981 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1982 comments to reflect actual behavior and relationship between
1983 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1985 * doc/c-tree.texi (Working with declarations): Fix documentation
1986 of FIELD_DECL likewise.
1988 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1991 * doc/extend.texi: Add used variable attribute description.
1993 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1996 * c.opt (Woverride-init): New.
1997 * c-opts.c (c_common_post_options): Default warn_override_init to
1999 * c-typeck.c (add_pending_init, output_init_element): Warn for
2000 overriding initializers without side effects.
2001 * doc/invoke.texi (-Woverride-init): Document.
2004 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2006 PR rtl-optimization/28096
2007 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2008 assignment has already been used as a destination earlier in the block.
2010 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2012 * builtins.c (expand_builtin_setjmp): Delete.
2013 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2014 <BUILT_IN_SETJMP_SETUP>: New case.
2015 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2016 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2017 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2018 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2019 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2020 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2021 (lower_function_body): Initialize it to false. If it is set to true
2022 at the end of the processing, emit the setjmp dispatcher.
2023 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2024 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2025 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2026 on the rhs of the assignment.
2027 (lower_builtin_setjmp): New function.
2028 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2029 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2030 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2031 to detect calls that can go to non-local labels. Use specific
2032 helper to create the abnormal edges associated with them.
2033 <MODIFY_EXPR>: Likewise.
2034 (make_abnormal_goto_edges): New function extracted from...
2035 (make_goto_expr_edges): ...here. Call it for computed gotos.
2036 (simple_goto_p): Minor tweak.
2037 (tree_can_make_abnormal_goto): New predicate.
2038 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2039 (tree_purge_dead_abnormal_call_edges): New function.
2040 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2041 (tree_purge_dead_abnormal_call_edges): Likewise.
2042 (make_abnormal_goto_edges): Likewise.
2043 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2044 Purge all dead abnormal edges if the call was in the last statement.
2045 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2046 (execute_fixup_cfg): If there are non-local labels in the function,
2047 scan the basic blocks and split them at calls that can go to non-local
2048 labels or add missing abnormal call edges. Write down the CFG in the
2050 (pass_fixup_cfg): Remove TODO_dump_func flag.
2051 * unwind-sjlj.c: Poison setjmp.
2052 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2053 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2054 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2055 (DONT_USE_BUILTIN_SETJMP): Document it.
2057 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2060 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2061 to 1 when __ppc64__ is defined.
2062 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2064 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2066 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2068 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2069 * config/ia64/unwind-hpux.c: Delete.
2071 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2073 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2074 on the element before gimplifying it, instead of punting if it is of
2077 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2079 * doc/loop.texi: New file.
2080 * doc/gccint.texi: Reference loop.texi.
2081 * Makefile.in (loop.texi): Add.
2083 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2085 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2087 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2088 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2090 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2092 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2094 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2096 * doc/install.texi: Document required versions of GMP and MPFR.
2098 2006-09-27 Paul Brook <paul@codesourcery.com>
2101 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2103 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2105 * reload1.c (alter_reg): Require the alignment of the stack slot to
2106 be at least reg_max_ref_width bytes.
2107 (scan_paradoxical_subregs): Record the largest width in
2110 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2114 * tree-nested.c (struct nesting_info): Added static_chain_added.
2115 (convert_call_expr): Set static_chain_added when adding static
2116 chain. Handle OMP_PARALLEL and OMP_SECTION.
2118 2006-09-25 Matthias Klose <doko@debian.org>
2120 * doc/invoke.texi: Add missing full stop.
2122 2006-09-25 Richard Henderson <rth@redhat.com>
2124 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2125 before cgraph_function_flags_ready.
2127 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2128 Adam Nemet <anemet@caviumnetworks.com>
2130 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2131 determine_common_wider_type): New functions.
2132 (get_computation_aff): Use them to simplify arithmetic between
2133 UBASE and CBASE if they are shortened from the same type.
2135 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2138 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2139 -2147483647 - 1 instead of 0x80000000.
2141 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2143 * flags.h (HONOR_NANS): Fix typo in comment.
2145 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2147 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2149 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2153 * tree.c (merge_attributes, attribute_list_contained): If both
2154 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2156 * c-typeck.c (comptypes_internal): Don't consider aggregates
2157 in different TUs as compatible if there one set of attributes is
2158 not a subset of the other type's attributes.
2159 (composite_type): Try harder not to create a new aggregate type.
2161 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2163 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2164 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2165 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2166 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2167 than replicating condition above.
2168 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2170 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2171 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2172 the linker by default.
2174 2006-09-22 Mike Stump <mrs@apple.com>
2176 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2179 2006-09-22 Richard Guenther <rguenther@suse.de>
2182 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2183 sort of stack variables stable.
2185 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2188 * explow.c (force_reg): Set REG_POINTER flag according to
2191 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2193 PR tree-optimization/28888
2194 * tree-if-conv.c (combine_blocks): Rewritten.
2195 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2196 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2198 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2200 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2203 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2205 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2207 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2209 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2211 2006-09-21 Roger Sayle <roger@eyesopen.com>
2214 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2215 dw_fde_current_label, to be the start of the function, i.e. the same
2216 value as dw_fde_begin.
2218 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2220 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2221 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2222 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2223 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2224 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2225 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2226 (abs<mode>2, neg<mode>2): Likewise.
2227 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2228 (*mips_abs_ps): New define_insn.
2230 2006-09-20 Josh Conner <jconner@apple.com>
2233 * calls.c (expand_call): Allow reuse of structure return stack
2236 2006-09-20 Paul Brook <paul@codesourcery.com>
2238 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2241 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2243 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2244 clean up terminology.
2246 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2249 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2250 with tablejumps in them.
2252 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2255 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2256 wrap it into TARGET_EXPR.
2258 2006-09-20 Eric Christopher <echristo@apple.com>
2260 * config/i386/i386.c (x86_fisttp): Remove.
2261 * config/i386/i386.h (x86_fisttp): Ditto.
2262 (TARGET_FISTTP): Ditto.
2264 2006-09-19 Eric Christopher <echristo@apple.com>
2266 * doc/tm.texi (OBJC_JBLEN): Describe.
2267 * config/i386/darwin.h (OBJC_JBLEN): Define.
2268 * config/rs6000/darwin.h: Ditto.
2270 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2272 PR rtl-optimization/21299
2273 * reload1.c (reload): Purge invalid ASMs in the final pass.
2275 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2278 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2279 pointers as legitimate constants.
2281 2006-09-19 Paul Brook <paul@codesourcery.com>
2284 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2286 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2288 PR tree-optimization/28887
2289 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2290 component parts from the reference.
2291 (gather_memory_references_ref): Record the reference without the
2292 nonaddressable component parts.
2294 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2297 * c-opts.c (c_common_handle_option): Ignore the -std options
2298 if the input language is assembly.
2300 2006-09-17 Ira Rosen <irar@il.ibm.com>
2303 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2305 (ptr_ptr_may_alias_p): Likewise.
2306 (record_record_differ_p): New function.
2307 (base_object_differ_p): Call record_record_differ_p.
2309 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2312 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2313 away for the expr argument.
2315 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2318 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2319 before using it for dumping after vectorizing loops.
2321 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2322 Jack Howarth <howarth@bromo.med.uc.edu>
2325 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2326 skip on error_mark_node.
2327 (rs6000_darwin64_record_arg_recurse): Likewise.
2329 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2331 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2332 * doc/rtl.texi: Remove related documentation.
2334 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2336 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2339 2006-09-15 Jim Wilson <wilson@specifix.com>
2341 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2342 Handle symbol offsets same as they are handled in ia64_expand_move
2345 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2347 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2348 Add forgotten parameter to the fprintf call.
2350 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2352 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2354 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2356 * doc/contrib.texi: Add my entry.
2358 2006-09-15 Nick Clifton <nickc@redhat.com>
2360 * doc/md.texi (Processor pipeline description): Fix typo in
2361 example of how to use the absence_set directive and reword the
2362 description to make it slightly easier to read.
2364 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2366 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2367 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2368 expanding the number of iterations.
2369 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2371 * cfgrtl.c (emit_insn_at_entry): New function.
2372 * rtl.h (emit_insn_at_entry): Declare it.
2373 * integrate.c (emit_initial_value_sets): Use it.
2375 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2377 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2379 (struct loop_work and related VEC declarations): Delete.
2380 (bfin_dump_loops): Print out new member bad.
2381 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2382 (bfin_scan_loop): Don't recurse.
2383 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2384 loops. No longer need to update outer loops if the current one is
2385 found bad. Move some validitiy checks to bfin_discover_loop.
2386 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2387 but changed not to check for nesting. Also changed to use the new bad
2389 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2390 time. Use bitmap based test to discover loop nesting.
2392 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2394 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2397 2006-09-14 Richard Guenther <rguenther@suse.de>
2398 Kazu Hirata <kazu@codesourcery.com>
2400 PR middle-end/28884.
2401 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2402 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2403 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2404 with TARGET_FUNCTION_VALUE.
2406 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2409 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2411 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2413 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2416 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2419 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2422 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2424 * basic_block.h (bb_has_eh_pred): Fix comment.
2426 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2428 * flow.c (calculate_global_regs_live): Invalidate eh registers
2429 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2430 (propagate_block): Handle eh registers as if they were set at basic
2432 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2434 * global.c (global_conflicts): Make eh registers to conflict with
2435 pseudos live at basic block begin.
2436 * basic_block.h (bb_has_eh_pred): New function.
2438 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2440 PR rtl-optimization/28982
2441 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2442 index of a PRE_MODIFY or POST_MODIFY address.
2443 * reload1.c (inc_for_reload): Use find_replacement on the original
2444 base and index registers.
2446 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2448 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2449 for -Os. Update __m128 alignment requirement.
2451 2006-09-13 Jan Hubicka <jh@suse.cz>
2453 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2455 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2457 PR rtl-optimization/28243
2458 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2459 the insn to which the note was originally attached.
2461 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2462 Roger Sayle <roger@eyesopen.com>
2464 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2465 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2466 on platforms that don't use dwarf for debug info.
2468 2006-09-12 Jason Merrill <jason@redhat.com>
2471 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2472 hard_frame_pointer_rtx after using it to update the frame pointer.
2474 2006-09-12 Roger Sayle <roger@eyesopen.com>
2476 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2477 (TARGET_ASM_CLOSE_PAREN): Likewise.
2478 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2479 (TARGET_ASM_CLOSE_PAREN): Likewise.
2481 2006-09-12 Roger Sayle <roger@eyesopen.com>
2484 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2485 frame information for frames larger than 512 Kbytes on Tru64 when
2486 using the native assembler.
2488 2006-09-12 Roger Sayle <roger@eyesopen.com>
2492 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2493 and symbols. Instead use the implementation from cse.c's hash_rtx.
2495 2006-09-12 Jan Hubicka <jh@suse.cz>
2497 PR rtl-optimization/28071
2498 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2499 (vect_transform_loop): Likewise.
2500 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2501 (new_loop_vec_info): Likewise.
2502 (destroy_loop_vec_info): Likewise.
2503 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2504 (create_stmt_ann): Likewise.
2505 (create_tree_ann): Rename to ...
2506 (create_tree_common_ann): ... this one; allocate only the common part
2508 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2509 (get_value_handle): Likewise.
2510 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2511 get_tree_common_ann.
2512 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2513 (vinfo_for_stmt): Use stmt annotations.
2514 * tree-flow.h (tree_ann_common_t): New type.
2515 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2516 (tree_ann, get_tree_ann, create_tree_ann): New.
2517 * tree-flow-inline.h (get_function_ann): Do more type checking.
2518 (stmt_ann): Likewise.
2519 (tree_ann): Rename to ...
2520 (tree_common_ann): ... this one; return ony common_ann
2521 (get_tree_ann): Rename to ...
2522 (tree_common_ann): This one; return only common_ann.
2523 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2526 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2528 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2529 with_cpu by default.
2531 * dwarf2out.c (dwarf_file_data): New.
2532 (enum dw_val_class): Add dw_val_class_file.
2533 (struct dw_val_struct): Add val_file.
2534 (file_table): Change to a hash table.
2535 (file_table_emitted): Delete.
2536 (file_table_last_lookup_index): Delete.
2537 (emitcount): Delete.
2538 (last_emitted_file): New.
2539 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2540 (init_file_table): Delete.
2541 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2542 (AT_addr): Add comment.
2546 (print_die): Handle dw_val_class_file.
2547 (print_dwarf_line_table): Update for new file table structure.
2548 (attr_checksum): Do checksum a filename.
2549 (same_dw_val_p, same_attr_p): Do compare a filename.
2550 (size_of_die): Handle dw_val_class_file.
2551 (value_format): Likewise.
2552 (output_die): Likewise. Also, call maybe_emit_file here.
2553 (struct file_info): Constify filenames. Make file_idx a pointer
2554 to a struct dwarf_file_data.
2555 (struct dir_info): Constify directory names. Remove 'used' field.
2556 (struct file_name_acquire_data): New.
2557 (file_name_acquire): New.
2558 (output_file_names): Modify to handle new file data structures.
2559 (add_src_coords_attributes): Use add_AT_file.
2560 (add_call_src_coords_attributes): Likewise.
2561 (dwarf2out_imported_module_or_decl): Likewise.
2562 (gen_subprogram_die): Modify for new file data structures.
2563 (gen_variable_die): Likewise.
2564 (file_table_eq): New.
2565 (file_table_hash): New.
2566 (file_table_last_lookup): New.
2567 (lookup_filename): Rewrite to handle new file data structures.
2568 (maybe_emit_file): Rewrite to handle new file data structures.
2569 (dwarf2out_source_line): Always call lookup_filename and
2571 (dwarf2out_init): Create file_table here.
2572 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2573 (file_table_relative_p): New.
2574 (dwarf2out_finish): Change detection of relative filenames
2575 to work with new file data structures. Move output_line_info call
2576 after debug_info output.
2578 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2583 * config/i386/i386.c (override_options): Always default to 16
2584 byte stack boundary.
2586 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2589 * var-tracking.c (dump_dataflow_set): Start dumping at
2591 (clobber_variable_part): Kill only the variable part in
2592 registers holding it, leaving other variables alone.
2594 2006-09-11 Josh Triplett <josh@freedesktop.org>
2596 * doc/extend.texi (Other Builtins): Actually use the macro
2597 argument in the documentation example for
2598 __builtin_types_compatible_p.
2600 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2602 PR rtl-optimization/28726
2603 * sched-deps.c (sched_analyze_reg): New function extracted from...
2604 (sched_analyze_1): ...here. Call it to analyze references to
2605 registers. Treat again writes to a stack register as writing to the
2607 (sched_analyze_2): ...and here. Call it to analyze references to
2608 registers. Treat again reads of a stack register as reading the
2611 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2612 David Edelsohn <edelsohn@gnu.org>
2615 * config/rs6000/spe.md (frob_df_di): Remove %H.
2616 (frob_di_df): Remove %H. Change evmergelo to mr.
2617 (frob_di_df_2): Remove %H. Change evldd to two loads.
2619 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2621 * doc/cpp.texi: Fix names of charset options.
2623 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2626 * config/i386/i386.c (override_options): Use 128-bit
2627 stack boundary always for 64bits.
2629 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2631 PR rtl-optimization/28636
2632 * combine.c (force_to_mode): Test for side-effects before
2633 substituting by zero.
2634 (simplify_shift_const): Likewise for zero or other constants.
2636 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2639 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2642 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2645 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2646 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2647 returned by mode_for_size, rather than the mode of src itself,
2648 to choose between 32-bit and 64-bit patterns.
2649 (mips_mem_fits_mode_p): New function.
2650 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2651 that the size of the source matches the size of the destination.
2652 (mov_<store>l, mov_<store>r): Likewise.
2654 2006-09-10 Eric Christopher <echristo@apple.com>
2656 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2659 2006-09-09 Eric Christopher <echristo@apple.com>
2662 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2665 2006-09-09 Roger Sayle <roger@eyesopen.com>
2666 Nicolas Setton <setton@adacore.com>
2668 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2670 2006-09-10 Andreas Schwab <schwab@suse.de>
2672 * config/m68k/m68k.md (bungt_rev): New pattern.
2674 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2675 Dale Johannesen <dalej@apple.com>
2678 * regclass.c (struct reg_pref): Update documentation.
2679 (regclass): Set prefclass to NO_REGS if memory is the best option.
2680 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2682 2006-09-08 Eric Christopher <echristo@apple.com>
2684 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2685 * config/t-slibgcc-darwin: Support x86_64 multilib.
2686 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2687 Return 1 for x86_64-darwin.
2688 * config/i386/t-darwin: Add m64 multilib.
2689 (LIB2_SIDITI_CONV_FUNCS): Use.
2690 (LIB2FUNCS_EXTRA): Ditto.
2691 * config/i386/darwin.h: Support x86_64.
2692 * config/i386/i386.c (override_options): Turn on flag_pic
2693 for x86_64-darwin. Disable flag_omit_pointer.
2694 (get_pc_thunk_name): Assert !TARGET_64BIT.
2695 (legitimate_address_p): Disable machopic addressing for
2697 (legitimize_pic_address): Ditto.
2698 (ix86_expand_move): Ditto.
2699 (ix86_expand_call): Ditto.
2700 (machopic_output_stub): Ditto.
2701 * config/darwin.c (machopic_select_section): Support literal16.
2702 (machopic_select_rtx_section): Ditto.
2703 * config/darwin-sections.def: Ditto.
2704 * config/darwin-64.c: New.
2706 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2709 * c-tree.h (struct c_arg_info): Add pending_sizes.
2710 * c-parser.c (c_parser_parms_declarator,
2711 c_parser_parms_list_declarator): Initialize pending_sizes.
2712 * c-decl.c (get_parm_info): Initialize pending_sizes.
2713 (get_parm_info): Set pending_sizes.
2714 (grokdeclarator): Call put_pending_sizes for parameters for
2715 function definition only.
2717 2006-09-07 Jason Merrill <jason@redhat.com>
2720 * varasm.c (output_constant): Only strip actual no-op conversions.
2723 * config/i386/i386.c (override_options): Use 128-bit
2724 stack boundary if -msse.
2726 2006-09-07 Eric Christopher <echristo@apple.com>
2728 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2730 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2733 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2735 * dwarf2out.c: Remove strange characters from comment above
2736 dwarf2out_frame_debug_expr.
2738 2006-09-07 Eric Christopher <echristo@apple.com>
2740 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2741 * config/darwin.h: ... to here.
2743 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2745 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2747 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2748 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2750 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2751 TARGET_PARTIAL_FLAG_REG_STALL.
2752 (*ashldi3_cconly_rex64): Likewise.
2753 (*ashlsi3_cmp): Likewise.
2754 (*ashlsi3_cconly): Likewise.
2755 (*ashlsi3_cmp_zext): Likewise.
2756 (*ashlhi3_cmp): Likewise.
2757 (*ashlhi3_cconly): Likewise.
2758 (*ashlqi3_cmp): Likewise.
2759 (*ashlqi3_cconly): Likewise.
2760 (*ashrdi3_cmp_rex64): Likewise.
2761 (*ashrdi3_cconly_rex64): Likewise.
2762 (*ashrsi3_cmp): Likewise.
2763 (*ashrsi3_cconly): Likewise.
2764 (*ashrsi3_cmp_zext): Likewise.
2765 (*ashrhi3_cmp): Likewise.
2766 (*ashrhi3_cconly): Likewise.
2767 (*ashrqi3_cmp): Likewise.
2768 (*ashrqi3_cconly): Likewise.
2769 (*lshrdi3_cmp_rex64): Likewise.
2770 (*lshrdi3_cconly_rex64): Likewise.
2771 (*lshrsi3_cmp): Likewise.
2772 (*lshrsi3_cconly): Likewise.
2773 (*lshrsi3_cmp_zext): Likewise.
2774 (*lshrhi3_cmp): Likewise.
2775 (*lshrhi3_cconly): Likewise.
2776 (*lshrqi2_cmp): Likewise.
2777 (*lshrqi2_cconly): Likewise.
2779 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2782 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2783 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2784 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2785 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2786 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2787 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2788 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2789 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2790 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2791 implement only CC setting effects of shift instructions.
2793 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2795 * doc/contrib.texi: Add myself.
2797 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2800 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2801 was set by the user.
2803 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2806 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2807 (divsi_inv_m1): Use them.
2808 (UNSPEC_DIV_INV_TABLE): New constant.
2810 2006-09-06 James E Wilson <wilson@specifix.com>
2813 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2814 then call count_or_remove_death_notes.
2816 2006-09-06 Jason Merrill <jason@redhat.com>
2819 * tree-inline.c (copy_result_decl_to_var): New fn.
2820 (declare_return_variable): Use it. Call declare_inline_vars here.
2821 (expand_call_inline): Not here.
2823 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2825 * doc/contrib.texi: Update my entry.
2827 2006-09-06 Nick Clifton <nickc@redhat.com>
2829 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2831 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2834 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2835 (canonicalize_induction_variables): Likewise.
2836 (tree_unroll_loops_completely): Likewise.
2837 (tree_ssa_prefetch_arrays): Likewise.
2838 (remove_empty_loops): Likewise.
2839 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2840 TODO_cleanup_cfg instead of directly calling
2841 cleanup_tree_cfg_loop.
2842 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2844 (tree_unroll_loops_completely): Likewise.
2845 (remove_empty_loops): Likewise.
2846 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2847 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2848 of tree_ssa_unswitch_loops.
2849 (tree_ssa_loop_ivcanon): Use the return value of
2850 canonicalize_induction_variables.
2851 (tree_ssa_empty_loop): Use the return value of
2853 (tree_complete_unroll): Use the return value of
2854 tree_unroll_loops_completely.
2855 (tree_ssa_loop_prefetch): Use the return value of
2856 tree_ssa_prefetch_arrays.
2857 * passes.c (execute_todo): Before Cleanup CFG, set
2858 updating_used_alone and after cleanup CFG, call
2859 recalculate_used_alone.
2861 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2864 * tree-vect-transform.c (vectorizable_condition): Move the check
2865 for the type after the check for simple condition.
2867 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2868 Kaz Kojima <kkojima@gcc.gnu.org>
2871 * mode-switching.c (optimize_mode_switching): Make the destination
2872 block of an abnormal edge have no anticipatable mode. Don't
2873 insert mode switching code at the end of the source block of
2876 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2878 PR rtl-optimization/26847
2879 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2880 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2881 (simplify_plus_minus): Count n_constants while filling ops. Replace
2882 qsort with insertion sort. Before going through the array to simplify
2883 pairs, sort it. Delay early exit until after the first sort, exiting
2884 only if no swaps occurred. Simplify pairs in reversed order, without
2885 special-casing the first iteration. Pack ops after simplifying pairs.
2887 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2889 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2890 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2891 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2892 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2894 2006-09-05 Richard Guenther <rguenther@suse.de>
2896 PR tree-optimization/28900
2897 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2898 compound conditional before creating COND_EXPR condition.
2900 2006-09-05 Richard Guenther <rguenther@suse.de>
2902 PR tree-optimization/28905
2903 * tree-vrp.c (fix_equivalence_set): Manually implement
2904 !value_ranges_intersect_p to also handle symbolic ranges.
2906 2006-09-05 Richard Guenther <rguenther@suse.de>
2909 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2912 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2914 PR rtl-optimization/27616
2915 * cse.c (table_size): New static variable.
2916 (new_basic_block): Initialize it to 0.
2917 (remove_from_table): Decrement it.
2918 (insert): Increment it.
2919 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2920 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2921 fold_rtx_mem_1 if under the cap.
2922 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2923 the lookup of the equivalent expression and test for equality of the
2924 first operand of the equivalent expression before in turn looking up
2925 an equivalent constant for the second operand.
2927 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2930 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2931 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2932 pointer, instead of assuming it is possible to derive the
2933 correct args size from a call insn.
2935 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2938 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2939 (fold_builtin_mempcpy): Rename to...
2940 (fold_builtin_memory_op): ... this. Optimize one element copy
2942 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2944 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2945 (expand_builtin_memcpy, expand_builtin_mempcpy,
2946 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2947 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2948 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2949 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2951 2006-09-01 DJ Delorie <dj@redhat.com>
2953 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2954 (stzx_16): Likewise.
2955 ("stzx_24_<mode>"): Likewise.
2956 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2957 ("cmp<mode>_op"): New.
2958 (cmp<mode>): Change to expander; just save operands.
2960 (b<code>): Change to expander, emit compare here.
2961 (s<code>_op): Change to use split and expander.
2962 (s<code>_24_op): Likewise.
2963 (s<code>_<mode>): New.
2964 (s<code>_<mode>_24): New.
2965 (movqicc_<code>_<mode): New.
2966 (movhicc_<code>_<mode>): New.
2969 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2970 (m32c_pend_compare): New.
2971 (m32c_unpend_compare): New.
2972 (m32c_expand_scc): New.
2973 (m32c_expand_movcc): Emit the compare also.
2974 * config/m32c/predicates.md (mra_nopp_operand): New.
2976 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2977 Richard Guenther <rguenther@suse.de>
2978 Adam Nemet <anemet@caviumnetworks.com>
2981 * builtins.c (get_pointer_alignment): Handle more forms
2982 of base addresses that can be used to derive more precise
2983 information about alignment.
2985 2006-09-01 Jason Merrill <jason@redhat.com>
2988 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2991 * gimplify.c (voidify_wrapper_expr): Handle null type.
2993 2006-09-01 Josh Conner <jconner@apple.com>
2996 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2997 (execute_return_slot_opt): Use it.
2999 2006-08-31 Josh Conner <jconner@apple.com>
3002 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3003 returning aggregates.
3005 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3007 PR tree-optimization/28839
3008 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3009 blocks in that phi arguments appear.
3011 2006-08-31 Roger Sayle <roger@eyesopen.com>
3014 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3015 NULL, otherwise use an advance_loc4 to adjust relative to the
3017 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3018 (dwarf2out_switch_text_section): Reset the current label to avoid
3019 using advance_loc4 over section boundaries.
3021 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3024 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3025 r12 + SYMBOLIC_CONST.
3027 2006-08-30 Richard Guenther <rguenther@suse.de>
3029 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3031 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3033 PR rtl-optimization/27735
3034 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3035 Add new argument to keep track of whether an irreducible region
3036 was affected. All callers changed.
3037 (fix_irreducible_loops): Removed.
3038 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3039 flags were invalidated.
3041 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3043 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3044 instead of SF operands.
3045 (*fop_df_comm_sse): Likewise.
3046 (*fop_df_comm_i387): Likewise.
3047 (*fop_df_1_mixed): Likewise.
3048 (*fop_df_1_sse): Likewise.
3050 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3051 J"orn Rennecke <joern.rennecke@st.com>
3053 PR tree-optimization/17506
3054 * tree-ssa.c (warn_uninit): If warning about a location outside of
3055 the current function, note where the variable was declared.
3057 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3059 PR tree-optimization/28411
3060 * double-int.c (double_int_div): Use double_int_divmod.
3061 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3062 double_int_mod, double_int_smod, double_int_umod): New functions.
3063 * double-int.h (double_int_divmod, double_int_sdivmod,
3064 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3066 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3068 (get_computation_aff, get_computation_cost_at): Handle double_int
3069 return type of constant_multiple_of.
3071 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3074 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3075 an implicit conversion.
3077 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3079 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3081 2006-08-27 Roger Sayle <roger@eyesopen.com>
3083 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3086 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3088 * config/i386/crtfastmath.c: Fix a comment typo.
3090 2006-08-26 Roger Sayle <roger@eyesopen.com>
3092 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3093 temporary visit flags on CASE_LABEL_EXPRs.
3094 * c-common.c (match_case_to_enum): Add function comment. Avoid
3095 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3096 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3097 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3098 a constant, only warn if that constant value isn't handled.
3100 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3103 * input.h (restore_input_file_stack): Declare.
3104 (INPUT_FILE_STACK_BITS): Define.
3105 * toplev.c (fs_p, input_file_stack_history,
3106 input_file_stack_restored, restore_input_file_stack): New.
3107 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3108 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3109 (pop_srcloc): Don't free old state of stack.
3111 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3114 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3115 (PowerPC Type Attributes): New.
3117 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3119 * config/xtensa/xtensa.c (function_arg_boundary): New.
3120 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3122 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3123 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3125 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3128 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3131 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3133 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3134 (verify_local_live_at_start): Likewise.
3136 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3139 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3140 omp_add_variable): Treat sizes as variable whenever not
3143 2006-08-26 Richard Guenther <rguenther@suse.de>
3146 * fold-const.c (fold_binary): Fold temporary to correct
3147 type before constructing new comparison.
3149 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3152 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3153 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3155 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3158 * c-decl.c (start_function): Don't try to process prototype
3159 information from old declaration that isn't a function.
3161 2006-08-25 Jan Hubicka <jh@suse.cz>
3164 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3166 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3169 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3172 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3174 PR tree-optimization/16876
3175 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3176 exit if PARM doesn't match VALUE.
3178 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3180 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3181 literal_prefix directive.
3182 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3183 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3184 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3186 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3189 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3190 predicate to general_operand. Add 0->y and I->r alternatives.
3192 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3194 * doc/tm.texi: Fix a typo.
3195 * predict.c: Fix comment typos.
3197 2006-08-25 Nick Clifton <nickc@redhat.com>
3199 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3200 assertions of "cpu" and "machine".
3202 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3205 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3206 the access through a base which has an alias set of 0 cannot
3209 2006-08-24 Bill Wendling <wendling@apple.com>
3211 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3213 2006-08-24 Jan Hubicka <jh@suse.cz>
3215 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3217 2006-08-24 Jan Hubicka <jh@suse.cz>
3220 * cgraph.c: Fix comments.
3221 (cgraph_varpool_mark_needed_node): Mark only variables not already
3223 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3224 (cgraph_varpool_assembled_nodes_queue): New static variable.
3225 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3226 (cgraph_varpool_output_debug_info): New function.
3227 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3228 * Makefile.in: Add gt-cgraphunit.h
3230 2006-08-24 Jan Hubicka <jh@suse.cz>
3232 * predict.c (probability_reliable_p): New predicate.
3233 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3234 (predict_loops): Do not predict loop exit with less than 2%
3236 * basic-block.h (edge_probability_reliable_p,
3237 br_prob_note_reliable_p): Declare.
3238 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3239 prediction when static predictor is not reliable.
3240 * rs6000.c (output_cbranch): Likewise.
3242 2006-08-23 Stuart Hastings <stuart@apple.com>
3245 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3246 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3248 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3251 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3252 complex values, nor for generic vector values.
3254 2006-08-22 Richard Guenther <rguenther@suse.de>
3257 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3258 parameter. Convert arguments to arithmetic expression to the
3260 (analyze_scalar_evolution_1): Adjust caller.
3262 2006-08-22 Jan Hubicka <jh@suse.cz>
3264 Patch by Paolo Bonzini
3265 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3268 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3270 PR tree-optimization/28003
3271 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3272 before grouping aliases.
3274 2006-08-22 Roger Sayle <roger@eyesopen.com>
3276 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3277 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3279 2006-08-21 Jason Merrill <jason@redhat.com>
3282 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3283 wrapper. Loop to handle nested wrappers.
3284 (gimplify_bind_expr): Remove temp parameter.
3285 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3286 and STATEMENT_LIST on the rhs.
3287 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3288 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3289 (gimplify_target_expr): Remove special BIND_EXPR handling.
3291 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3293 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3296 2006-08-21 Olivier Hainque <hainque@adacore.com>
3298 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3299 Arrange for the temporary captures of components overlapping the lhs
3300 to happen before the lhs is possibly cleared.
3302 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3304 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3305 necessary places to pass the correct "number of registers" values
3308 2006-08-20 Jan Hubicka <jh@suse.cz>
3310 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3311 (create_name_tags): Instead of quadratic checking use hashtable.
3312 * bitmap.h: Include hashtab.h.
3313 (bitmap_hash): Declare.
3314 * bitmap.c (bitmap_hash): New function.
3316 2006-08-20 Jan Hubicka <jh@suse.cz>
3318 PR rtl-optimization/28071
3319 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3321 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3322 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3323 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3324 cgraph_decide_inlining_incrementally): Update use of
3325 cgraph_check_inline_limits.
3326 * cgraph.c (edge_hash, edge_eq): New function.
3327 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3328 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3329 cgraph_remove_node): Maintain call site hash.
3330 * cgraph.h (struct cgraph_node): Add call_site_hash.
3331 (cgraph_set_call_stmt): New function.
3333 2006-08-20 Jan Hubicka <jh@suse.cz>
3335 PR rtl-optimization/28071
3336 * reload1.c (reg_has_output_reload): Turn into regset.
3337 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3338 choose_reload_regs, emit_reload_insns): Update to new
3339 reg_has_output_reload.
3341 2006-08-20 Jan Hubicka <jh@suse.cz>
3344 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3345 function body sizes.
3346 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3348 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3351 * tree.c (handle_dll_attribute): Return early if not a
3352 var or function decl.
3354 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3357 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3358 alignment of SPE vector types.
3360 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3362 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3364 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3367 * cgraph.h (struct cgraph_node): Remove externally_visible
3369 * cgraphunit.c (process_function_and_variable_attributes): Set
3370 local.externally_visible rather than externally_visible.
3373 * c-common.c (handle_externally_visible_attribute): First look
3374 at TREE_CODE and only if it is function or var decl, check for
3375 non-public objects. Don't warn for DECL_EXTERNAL.
3376 * cgraphunit.c (process_function_and_variable_attributes): Warn
3377 if externally_visible attribute is used on non-public object.
3379 2006-08-17 Jan Hubicka <jh@suse.cz>
3381 PR tree-optimization/27865
3382 * reload1.c (forget_marked_reloads): New function.
3383 (forget_old_reloads_1): When data are passed, just mark the registers
3385 (reload_as_needed): Use the new mechanizm.
3387 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3390 * reload.h (reg_equiv_alt_mem_list): New declaration.
3391 * reload1.c (reg_equiv_alt_mem_list): New definition.
3392 (reload): Initialize it and release it.
3393 (delete_output_reload): Use it.
3394 * reload.c (push_reg_equiv_alt_mem): New function.
3395 (find_reloads_toplev): Call it.
3396 (find_reloads_address, find_reloads_address_1): Likewise.
3397 (find_reloads_subreg_address): Likewise.
3399 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3401 PR rtl-optimization/28489
3402 * sched-ebb.c (begin_schedule_ready): Create basic block
3404 (advance_target_bb): Skip empty blocks.
3405 * haifa-sched.c (bb_note): Make global.
3406 * sched-int.h (bb_note): Add prototype.
3408 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3410 PR tree-optimization/27865
3411 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3413 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3414 fold_used_pointer, pointer_used_p): New functions.
3415 (analyze_scalar_evolution_1): Use fold_used_pointer.
3416 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3417 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3420 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3423 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3424 or the INTEGER_CST. Fail on a CALL_EXPR.
3425 (fold_offsetof): Pass new argument to fold_offsetof_1.
3426 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3427 operand into an INDIRECT_REF.
3428 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3430 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3432 PR gcov/profile/26570
3433 * value-prof.c (static_values): Removed.
3434 (tree_find_values_to_profile): Do not set static_values.
3435 (find_values_to_profile): Do not free static_values.
3436 * profile.c (instrument_values): Do not free the values.
3437 (branch_prob): Free the values.
3439 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3441 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3443 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3446 * c-typeck.c (build_component_ref): Combine qualifiers of
3447 structure or union and field.
3449 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3451 PR rtl-optimization/28071
3452 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3453 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3454 * tree-into-ssa.c (struct dom_dfsnum): New.
3455 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3457 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3458 compute_global_livein.
3459 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3460 in phi nodes in the correct blocks.
3462 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3464 PR tree-optimization/28364
3465 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3467 (fold_affine_expr): New function.
3468 (may_eliminate_iv): Use fold_affine_expr.
3470 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3473 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3476 2006-08-16 Mike Stump <mrs@apple.com>
3478 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3479 * doc/cppopts.texi (-MD): Likewise.
3481 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3484 * c-common.c (handle_weak_attribute): Ignore and warn if
3485 not a FUNCTION_ or VAR_DECL.
3487 2006-07-15 Mike Stump <mrs@apple.com>
3490 * c-parser.c (c_parser_typeof_specifier): Don't use
3491 c_finish_expr_stmt, open code desired semantics instead.
3493 2006-08-15 Nick Clifton <nickc@redhat.com>
3495 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3496 fragment to tmake_file only if threads are enabled.
3497 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3498 * config/i386/t-gthr-win32: New file. ... here.
3500 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3503 * c-parser.c (c_parser_compound_statement_nostart): Reset
3504 parser->error after each statement.
3506 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3509 * omp-low.c (lower_omp_parallel): Convert t to
3510 receiver_decl's type.
3511 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3512 source before comparison.
3515 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3516 to itype in assignment to oldival2.
3518 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3522 * c-typeck.c (build_compound_expr): If the second expression
3523 is an error mark, then just return an error mark instead of
3524 creating a COMPOUND_EXPR.
3526 2006-07-14 Mike Stump <mrs@apple.com>
3528 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3530 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3532 * c-decl.c, var-tracking.c: Fix comment typos.
3534 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3536 PR rtl-optimization/28634
3537 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3538 for floating-point modes unless flag_unsafe_math_optimizations.
3540 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3541 Andrew Pinski <pinskia@physics.uc.edu>
3544 * tree.c (build_array_type): Unify array types with
3545 unspecified index_type.
3546 * c-decl.c (grokdeclarator): Make sure we do not modify a
3547 unified incomplete array type.
3548 * c-typeck.c (store_init_value): Create distinct type before
3549 filling in the index type in an initializer from a compound
3552 * c-decl.c (grokdeclarator): Remove code where we copy the
3555 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3557 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3558 into account for TODO_dump_cgraph.
3559 (TODO_update_ssa_no_phi): Likewise.
3560 (TODO_update_ssa_full_phi): Likewise.
3561 (TODO_update_ssa_only_virtuals): Likewise.
3562 (TODO_remove_unused_locals): Likewise.
3563 (TODO_set_props): Likewise.
3564 (TODO_update_stmt_usage): Likewise.
3566 2006-08-13 Dirk Mueller <dmueller@suse.de>
3568 * c-common.c (strict_aliasing_warning): Fix formatting.
3570 2006-08-13 Matthias Klose <doko@debian.org>
3572 * doc/invoke.texi: Fix spelling errors.
3574 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3576 PR rtl-optimization/23454
3577 * reorg.c (relax_delay_slots): Update comment.
3579 2006-08-11 Richard Guenther <rguenther@suse.de>
3582 * simplify-rtx.c (simplify_const_relational_operation):
3583 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3586 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3588 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3589 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3591 2006-08-10 Paul Brook <paul@codesourcery.com>
3593 * final.c (final_scan_insn): Clear current_insn_predicate before
3594 outputting inline asm.
3596 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3598 PR tree-optimization/26197
3599 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3600 get_ref_base_and_extent and overlap_subvar to add only relevant
3601 subvars as may-aliases.
3602 (add_may_alias_for_new_tag): New function, factored out of
3604 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3605 with additional argument.
3606 * tree-flow.h (new_type_alias): Takes additional argument.
3608 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3610 * gcov.c (no_data_file): New flag.
3611 (read_count_file): Set it if data file not present. Assume counts
3613 (output_lines): Don't name the data file, if there wasn't one.
3615 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3617 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3618 (rs6000_generate_compare): Tweak comments.
3619 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3621 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3623 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3624 (var_debug_decl): New function.
3625 (var_reg_set): Follow debug decl link. Add location even if
3626 reg is already known to hold some other variable.
3627 (var_mem_set): Follow debug decl link.
3628 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3629 decl link. Delete other known locations of the variable part
3631 (var_reg_delete, var_mem_delete): Delete other known locations
3632 of the variable part if requested.
3633 (same_variable_part_p): New function.
3634 (add_stores): Select MO_COPY when appropriate.
3635 (vt_initialize): Handle it.
3636 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3637 known locations for MO_SET and MO_CLOBBER.
3638 (find_variable_location_part): New function.
3639 (set_variable_part, delete_variable_part): Use it.
3640 (clobber_variable_part): New function.
3641 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3644 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3646 PR tree-optimization/26969
3647 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3648 with an empty list of PHIs.
3650 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3654 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3657 2006-08-06 Andreas Schwab <schwab@suse.de>
3659 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3660 string. Whitespace and comment fixup.
3662 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3665 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3669 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3672 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3674 2006-08-04 Jan Hubicka <jh@suse.cz>
3678 * reload.c (push_reload): Patch out the mismatching instruction;
3680 (find_reload): Bail out if the instruction was patched out.
3682 2006-08-04 Jan Hubicka <jh@suse.cz>
3684 PR tree-optimization/24888
3685 * tree-inline.c (expand_call_inline): Do not re-record variables.
3686 (declare_inline_vars): Add variable to unexpanded_var_list.
3688 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3689 Roger Sayle <roger@eyesopen.com>
3691 PR rtl-optimization/26244
3692 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3693 inner_const are negative or greater than or equal to the bitsize of
3694 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3695 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3696 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3697 CONST0_RTX (mode) when the new shift count is greater than or equal to
3698 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3701 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3703 * tree-cfg.c: Fix a comment typo.
3705 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3708 * varasm.c (output_constant): Give the front end another chance to
3709 expand constants, after stripping NOPs.
3711 2006-08-03 Jan Hubicka <jh@suse.cz>
3713 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3716 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3718 PR tree-optimization/27770
3719 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3720 declaration removed (moved to tree-flow.h).
3721 (vect_can_force_dr_alignment_p): Likewise.
3722 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3723 (moved from tree-vectorizer.h).
3724 (vect_can_force_dr_alignment_p): Likewise.
3725 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3726 from outside the vectorizer - in particular from cgraph stage.
3727 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3728 the alignment of global arrays when -fsection-anchors is enabled.
3729 * cgraphunit.c (cgraph_increase_alignment): New function.
3730 (cgraph_optimize): Call cgraph_increase_alignment.
3732 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3735 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3736 not reload a SPE symbol_ref into a lo_sum address.
3738 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3741 * dwarf2out.c (prune_unused_types_prune): Move call to
3742 prune_unused_types_update_strings to cover the parent DIE also.
3744 2006-08-02 Jan Hubicka <jh@suse.cz>
3746 PR gcov/profile/28480
3747 * tree-cfg.c (change_bb_for_stmt): New function.
3748 (tree_merge_blocks, tree_split_blocks): Use it.
3750 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3756 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3757 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3758 (cgraph_optimize): Likewise.
3760 2006-08-01 Stuart Hastings <stuart@apple.com>
3762 * rtl.h (UINTVAL) New.
3763 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3764 * testsuite/gcc.dg/20060801-1.c: New.
3766 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3769 * c-typeck.c (build_external_type): Mark used enum types.
3770 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3772 (gen_subprogram_die): Whitespace fix.
3774 2006-08-01 Jan Hubicka <jh@suse.cz>
3776 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3777 bitmap when not needed.
3778 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3781 2006-08-01 Dirk Mueller <dmueller@suse.de>
3783 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3785 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3787 * Makefile.in: Revert part of previous patch:
3788 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3791 2006-07-30 Eric Christopher <echristo@apple.com>
3794 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3795 (PowerPC Variable Attributes): New section.
3797 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3799 PR target/28126 (partial fix)
3800 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3802 2006-07-28 Jan Hubicka <jh@suse.cz>
3804 PR rtl-optimization/28071
3805 * cfgrtl.c (rtl_delete_block): Free regsets.
3806 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3808 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3810 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3811 and variables used in dependencies.
3813 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3815 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3816 %fs for -mcmodel=kernel.
3817 (stack_tls_protect_test_di): Likewise.
3819 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3821 * Makefile.in: Use mkinstalldirs.
3823 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3826 * opts-common.c (prune_options): Skip joined switches.
3828 2006-07-27 Jan Hubicka <jh@suse.cz>
3830 PR rtl-optimization/28071
3831 * cselib.c (cselib_process_insn): Don't remove useless values too
3832 often for very large hashtables.
3834 2006-07-27 Jan Hubicka <jh@suse.cz>
3836 PR rtl-optimization/28071
3837 * global.c (greg_obstack): New obstack.
3838 (allocate_bb_info): Use it.
3839 (free_bb_info): Likewise.
3840 (modify_reg_pav): Likewise.
3842 2006-07-27 Roger Sayle <roger@eyesopen.com>
3844 * builtins.c (fold_fixed_mathfn): When long and long long are the
3845 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3846 functions to their lceil*, lfloor*, lround* and lrint* forms.
3848 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3851 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3853 (rev_branch_insn): Likewise.
3855 2006-07-27 Jan Hubicka <jh@suse.cz>
3857 PR rtl-optimization/28071
3858 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3859 (reg_set_in_bb, max_reg_computed): New static variables.
3860 (regmove_optimize): Free the new array.
3861 (fixup_match_1): Update call of reg_is_remote_constant_p.
3863 2006-07-26 Jan Hubicka <jh@suse.cz>
3865 PR tree-optimization/27882
3866 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3868 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3870 (cgraph_analyze_compilation_unit): Likewise.
3871 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3872 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3873 (cgraph_early_inlinine): Make order garbage collected.
3874 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3876 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3878 * dbxout.c (output_types_sort): Add a comment.
3879 (output_used_types): Free the VEC.
3881 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3883 * function.c (reorder_fix_fragments): Delete.
3884 (reorder_blocks): Don't call it.
3885 (reorder_blocks_1): Put all subblocks under the origin block.
3887 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3889 PR rtl-optimization/27907
3890 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3893 2006-07-25 Roger Sayle <roger@eyesopen.com>
3896 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3897 bar(x) check that bar's result type can represent all the values of T.
3899 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3901 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3903 2006-07-25 Nick Clifton <nickc@redhat.com>
3905 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3906 size_lookup[] array.
3907 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3908 (ggc_pch_count_object): Likewise.
3909 (ggc_pch_alloc_object): Likewise.
3910 (ggc_pch_write_object): Likewise.
3911 (init_ggc): Do not attempt to initialize entries in the
3912 size_lookup[] array for objects whose size is greater than than
3913 the length of the array.
3915 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3917 * dbxout.c (output_used_types_helper): Push queued types
3919 (output_types_sort): New.
3920 (output_used_types): Collect used types on a VEC and sort them
3923 2006-07-24 Richard Guenther <rguenther@suse.de>
3926 * cgraph.c (cgraph_remove_node): Do not check if dumps
3928 * cgraphunit.c (cgraph_optimize): Likewise.
3930 2006-07-24 Jan Hubicka <jh@suse.cz>
3932 PR rtl-optimization/28071
3933 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3934 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3935 splitting before first stmt.
3937 2006-07-24 Jan Hubicka <jh@suse.cz>
3939 PR rtl-optimization/28071
3940 * ipa-inline.c (update_caller_keys): Remove edges that
3941 are no longer inline candidates.
3943 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3946 * dbxout.c (output_used_types_helper, output_used_types): New.
3947 (dbxout_symbol): Call output_used_types.
3949 2006-07-23 Jan Hubicka <jh@suse.cz>
3953 * cgraph.c (cgraph_varpool_nodes): Export.
3954 (decide_is_variable_needed): Ignored "used" attribute in
3955 unit-at-a-time mode.
3956 * cgraph.h (cgraph_varpool_nodes): Declare.
3957 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3958 unit-at-a-time mode.
3960 2006-07-23 Roger Sayle <roger@eyesopen.com>
3963 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3964 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3965 the __gthrw form of thr_keycreate.
3966 (__gthread_key_delete): Silence the unused argument warning.
3968 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3971 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3972 Cache the last found '\0' marker to avoid quadratic behavior.
3974 2006-07-23 Jan Hubicka <jh@suse.cz>
3976 * i386.md (subsi_3_zext): Fix output template.
3978 2006-07-21 Mike Stump <mrs@apple.com>
3980 * doc/invoke.texi (C++ Dialect Options): Note that
3981 -fvisibility-inlines-hidden doesn't affect explicitly
3982 instantiationed inline methods.
3984 2006-07-20 Roger Sayle <roger@eyesopen.com>
3986 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3987 if the target assembler is GNU binutils' gas.
3988 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3989 whether to pass GNU gas or native as command line options.
3991 2006-07-20 Jason Merrill <jason@redhat.com>
3993 * tree.c (remove_attribute): New fn.
3994 * tree.h: Declare it.
3996 2006-07-20 Paul Brook <paul@codesourcery.com>
3999 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4000 they are invalidated by this instruction.
4002 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4005 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4007 2006-07-20 Eric Christopher <echristo@apple.com>
4010 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4012 2006-07-19 Eric Christopher <echristo@apple.com>
4014 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4015 Rewrite dependencies for libgcc_s.1.dylib.
4017 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4019 * except.c (duplicate_eh_regions_1): Clear next_peer.
4021 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4023 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4024 -mlongcall does not guarantee all calls will be long.
4025 * doc/extend.texi (long_call/short_call): Document that longcall
4026 does not guarantee a long call will be used.
4027 (longcall/shortcall): Likewise.
4029 2006-07-18 Roger Sayle <roger@eyesopen.com>
4032 * expmed.c (expand_shift): Additionally check that the shift_cost
4033 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4034 before implementing a LSHIFT_EXPR as a sequence of additions.
4035 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4036 middle-end that DImode shifts need to be synthesized by expand.
4038 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4041 * tree-ssa-operands.c (access_can_touch_variable): Update
4043 Return true if ALIAS is .GLOBAL_VAR.
4045 2006-07-18 David Daney <ddaney@avtrex.com>
4047 * gcc.c (display_help): Fix typo in help text.
4049 2006-07-18 Olivier Hainque <hainque@adacore.com>
4051 * tree.h (categorize_ctor_elements): Adjust prototype and add
4052 descriptive comment, both in accordance with the interface change
4054 * varasm.c (constructor_static_from_elts_p): New function.
4055 Whether a constructor node is a valid static constant initializer
4056 if all its elements are.
4057 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4058 * output.h: Declare it.
4059 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4060 is a valid constant initializer instead of computing the number of
4061 non-constant elements. Use constructor_static_from_elts_p for this
4062 purpose. Replace the head comment with an indication that this is a
4063 helper for categorize_ctor_elements.
4064 (categorize_ctor_elements): Same interface change as for the _1
4065 helper. Former head comment from this helper moved here, adjusted to
4066 account for the interface changes.
4067 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4068 (all_zeros_p): Likewise.
4069 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4070 static versions of the constructor from the categorize_ctor_elements
4071 return value instead of the formerly computed number of non-constant
4074 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4076 * configure: Regenerate.
4077 * Makefile.in (build_libsubdir): New configure substitution
4078 (build_libobjdir): New variable.
4079 (BUILD_LIBIBERTY): Use it.
4081 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4084 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4086 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4089 * c-common.c (handle_weakref_attribute): Ignore attribute in
4090 the same conditions the alias attribute is ignored.
4092 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4094 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4095 (dbxout_begin_prologue): Increment scope_labelno.
4097 2006-07-17 Richard Henderson <rth@redhat.com>
4100 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4103 2006-07-17 Roger Sayle <roger@eyesopen.com>
4104 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4106 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4107 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4108 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4109 functions such as sbrk, write, etc.. Add function prototypes.
4110 Convert function declarations from K&R to ISO C. Cast pointers
4111 to "long" and "unsigned long" instead of "int" and "unsigned int".
4112 Convert tokens following #endif into comments.
4114 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4116 * invoke.texi: Remove mention of f77; Reformat table for
4117 inline parameter options correctly; mention that -malign-double
4118 is default on x86-64 targets.
4120 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4122 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4123 (convert_affine_scev, chrec_convert_aggressive): Use
4124 avoid_arithmetics_in_type_p. Do not check for the subtypes
4127 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4130 * optabs.c (expand_doubleword_shift): Wrap the call to
4131 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4133 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4136 * optabs.c (expand_binop): Pass next_methods rather than methods
4137 to expand_doubleword_shift.
4139 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4142 * tree.h (dump_addr): Declare.
4143 * print-tree.c (dump_addr): New function.
4144 (print_node_brief, print_node): Use it.
4145 * print-rtl.c (print_rtx): Likewise.
4146 * common.opt (-fdump-noaddr): New option.
4147 * doc/invoke.texi (-fdump-noaddr): Document.
4148 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4149 (ve_info_hash): Likewise.
4151 2006-07-13 Andrew Haley <aph@redhat.com>
4153 PR tree-optimization/19505
4154 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4155 edge leaving this block, make sure that the destination of this
4156 block has only one predecessor.
4158 2006-07-17 Richard Guenther <rguenther@suse.de>
4160 PR tree-optimization/28238
4161 * tree-inline.c (copy_bb): Check if we produced valid
4162 gimple copying and substituting a stmt. If not, gimplify
4165 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4167 * optabs.c (maybe_encapsulate_block): New function extracted from...
4168 (emit_libcall_block): ...here. Invoke it on the block of insns to
4169 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4170 (emit_no_conflict_block): Likewise.
4172 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4174 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4176 2006-07-15 Roger Sayle <roger@eyesopen.com>
4178 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4179 a new NOP_EXPR case of the switch statement.
4181 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4184 * stor-layout.c (place_field): Take the bit field with
4185 an excessive size into account in the ms-bitfiled case.
4188 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4189 the previous bit field.
4191 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4194 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4196 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4198 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4199 signal frames correctly even when the signal was installed with
4202 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4204 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4205 (dbxout_function_end): Use local label LFBB. Remove hook
4207 (dbxout_source_line): Use local label LFBB.
4208 (dbxout_block): Likewise.
4209 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4210 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4211 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4212 and DBX_OUTPUT_NFUN.
4214 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4216 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4218 2006-07-13 Jan Hubicka <jh@suse.cz>
4220 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4222 * output.h (align_variable): Declare.
4223 * varasm.c (align_variable): Export.
4224 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4225 when basic block changed.
4227 2006-07-13 Nick Clifton <nickc@redhat.com>
4229 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4230 walking the LOG_LINKS chain.
4232 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4234 * doc/invoke.texi (C++ Dialect Options): Explain difference
4235 between -fvisibility-inlines-hidden and setting hidden
4236 visibility explicitly.
4238 2006-07-12 Eric Christopher <echristo@apple.com>
4240 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4241 (stmp-lipo): Depend on libgcc.a.
4243 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4245 * tree.c: Fix a comment typo.
4247 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4249 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4251 (umulhisi3_r): Likewise.
4253 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4256 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4257 x < 19, vs wchar_t support.
4259 2006-07-12 Nick Clifton <nickc@redhat.com>
4261 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4262 instead of -isa=sh4.
4264 2006-07-12 Mike Stump <mrs@apple.com>
4266 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4268 2006-07-10 Eric Christopher <echristo@apple.com>
4270 * config/t-slibgcc-darwin: Rewrite.
4272 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4275 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4278 2006-07-08 Matthias Klose <doko@debian.org>
4280 * doc/sourcebuild.texi: Fix typo.
4282 2006-07-07 Mike Stump <mrs@apple.com>
4284 * toplev.c (process_options): Don't give -ffunction-sections may
4285 affect debugging warning for Mach-O.
4287 2006-07-07 James E Wilson <wilson@specifix.com>
4289 * config/mips/mips.md (cpu): Add sb1a.
4290 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4291 addition to sb1. Adjust comments to clarify SB-1A differences from
4293 (ir_sb1a_load): New. Modify bypasses to use it.
4294 (ir_sb1a_simple_alu): Likewise.
4295 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4296 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4297 (mips_issue_rate): Add PROCESSOR_SB1A.
4298 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4299 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4300 (TARGET_SB1): Add PROCESSOR_SB1A check.
4301 (TUNE_SB1): Likewise.
4303 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4304 * config/mips/mips.c (mips_store_data_bypass_p): New.
4305 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4306 store_data_bypass_p.
4308 2006-07-08 Paul Brook <paul@codesourcery.com>
4311 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4313 2006-07-07 Richard Guenther <rguenther@suse.de>
4316 * tree.h (build_one_cst): Declare.
4317 * tree.c (build_one_cst): New function.
4318 * tree-ssa-math-opts.c (get_constant_one): Remove.
4319 (insert_reciprocals): Use build_one_cst.
4320 * fold-const.c (fold_plusminus_mult): Likewise.
4322 2006-07-07 Roger Sayle <roger@eyesopen.com>
4324 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4325 * cfgloopanal.c (dump_graph): Likewise.
4326 * dojump.c (discard_pending_stack_adjust): Likewise.
4327 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4329 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4330 * function.c (finalize_block_changes): Likewise.
4331 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4332 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4333 * rtl.c (dump_rtx_statistics): Likewise.
4334 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4336 * varray.c (dump_varray_statistics): Likewise.
4337 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4338 decode_decimal64, encode_decimal128, decode_decimal128,
4339 decimal_real_to_decimal): Likewise.
4341 2006-07-07 Richard Guenther <rguenther@suse.de>
4343 PR tree-optimization/28187
4344 * tree-vrp.c (vrp_operand_equal_p): New function.
4345 (vrp_bitmap_equal_p): Likewise.
4346 (update_value_range): Use them to compare old and new
4349 2006-07-06 Roger Sayle <roger@eyesopen.com>
4351 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4352 a default case to switch statement to silence compiler warnings.
4354 2006-07-06 Roger Sayle <roger@eyesopen.com>
4357 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4358 the configured assembler supports the x87's ffreep mnemonic.
4359 * configure: Regenerate.
4360 * config.in: Regenerate.
4362 * config/i386/i386.c (output_387_ffreep): New function.
4363 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4364 (output_387_reg_move): Likewise.
4366 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4368 Port to hosts whose 'sort' and 'tail' implementations
4369 treat operands with leading '+' as file names, as POSIX
4370 has required since 2001. However, make sure the code still
4371 works on pre-POSIX hosts.
4372 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4373 which says you should use "tail -c +N" rather than "tail +Nc".
4374 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4376 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4378 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4381 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4384 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4385 PRE_{INC,DEC} of TFmode.
4387 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4388 Alan Modra <amodra@bigpond.net.au>
4391 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4394 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4397 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4398 Remove duplicate gtu.
4400 2006-07-05 Jason Merrill <jason@redhat.com>
4404 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4405 * c-common.c (handle_packed_attribute): So don't copy it here.
4406 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4408 2006-07-05 Mike Stump <mrs@apple.com>
4410 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4412 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4415 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4417 2006-07-05 Richard Guenther <rguenther@suse.de>
4420 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4421 TARGET_SSE2 targets if using SSE math.
4422 (*absdf2_1): Likewise.
4424 2006-07-05 Richard Guenther <rguenther@suse.de>
4426 PR tree-optimization/28162
4427 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4428 make sure to convert the operands to the correct type.
4430 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4432 PR tree-optimization/28218
4434 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4435 to calculate and free the dominator information.
4437 2006-07-04 Peter O'Gorman <peter@pogma.com>
4439 * mklibgcc.in: chmod 644 before ranlib during install.
4441 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4442 J"orn Rennecke <joern.rennecke@st.com>
4444 * configure.ac (.eh_frame data check): Use diff -b.
4446 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4449 * Makefile.in (BUILD_RTL): Add build/vec.o.
4450 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4451 (build/genextract): Delete.
4452 (build/genautomata): Likewise.
4454 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4457 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4458 128-bit IBM long doubles for ABI_V4.
4460 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4462 * tree.c (range_in_array_bounds_p): New predicate.
4463 * tree.h (range_in_array_bounds_p): Declare it.
4464 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4465 return a less conservative answer.
4466 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4467 and flag 'is_group'.
4468 (IS_ELEMENT_FOR_GROUP): New macro.
4469 (FOR_EACH_ACTUAL_CHILD): Likewise.
4470 (next_child_for_group): New helper function.
4471 (can_completely_scalarize_p): Take into account groups.
4472 (sra_hash_tree): Handle RANGE_EXPR.
4473 (sra_elt_eq): Likewise.
4474 (lookup_element): Be prepared for handling groups.
4475 (is_valid_const_index): Delete.
4476 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4477 instead of is_valid_const_index.
4478 <ARRAY_RANGE_REF>: New case.
4479 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4480 is_valid_const_index.
4481 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4482 (scan_dump): Dump info for groups too.
4483 (decide_instantiation_1): Likewise.
4484 (decide_block_copy): Assert that the element is not a group.
4485 Propagate decision to groups.
4486 (generate_one_element_ref): Handle RANGE_EXPR.
4487 (mark_no_warning): Iterate over actual childs.
4488 (generate_copy_inout): Likewise.
4489 (generate_element_copy): Likewise.
4490 (generate_element_zero): Likewise.
4491 (generate_element_init_1): Likewise.
4492 (dump_sra_elt_name): Handle RANGE_EXPR.
4494 2006-07-03 Roger Sayle <roger@eyesopen.com>
4496 PR tree-optimization/26251
4497 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4498 (thread_block): When optimizing for size refuse to thread jumps
4499 that would require duplication of blocks other than redirection
4502 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4504 * configure.ac: Fix thinko in previous check-in.
4505 * configure: Regenerate.
4507 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4510 * configure.ac (for lang...): Simplify nesting of conditionals.
4511 Test subdir_requires for non-enabled languages. Move processing
4512 of lang_opt_files and lang_tree_fiels below that test.
4513 * configure: Regenerate.
4514 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4516 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4518 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4520 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4522 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4525 2006-06-29 Jason Merrill <jason@redhat.com>
4532 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4533 * c-common.c (c_determine_visibility): Handle it here.
4534 * c-decl.c (finish_decl): Call c_determine_visibility for
4536 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4538 * varasm.c (default_assemble_visibility): Likewise.
4539 * c-common.c (handle_visibility_attribute): Complain about trying
4540 to give visibility to an already defined class, or trying to change
4541 declared visibility. Always attach the attribute.
4546 * attribs.c (decl_attributes): Ignore type-in-place attributes
4547 once the type has been defined.
4549 2006-06-29 Roger Sayle <roger@eyesopen.com>
4552 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4553 to indicate the cpplib has issued an error message for us.
4555 2006-06-29 Asher Langton <langton2@llnl.gov>
4558 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4559 insert a label at the end of an function under Mach-O.
4561 2006-06-29 Eric Christopher <echristo@apple.com>
4562 Evan Cheng <evan.cheng@apple.com>
4564 * predicates.md (vector_all_ones_operand): New.
4565 (nonimmediate_or_sse_const_operand): Ditto.
4566 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4567 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4568 (standard_sse_mode_p): Ditto.
4569 (standard_sse_constant_p): Add case for -1 vector.
4570 (ix86_expand_vector_move): Try to use.
4571 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4572 Call standard_sse_constant_opcode.
4573 (*movv4sf_internal): Ditto.
4574 (*movv2df_internal): Ditto.
4576 2006-06-29 Roger Sayle <roger@eyesopen.com>
4578 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4579 of XEXP to extract the operands of a MATCH_CODE rtx.
4581 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4583 * tree.c (tree_size): Do not waste tail padding in
4584 struct tree_string and make the size be the same as
4585 build_string will generate.
4587 2006-06-28 Jason Merrill <jason@redhat.com>
4590 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4591 may_aliases already in the tag's annotations to the bitmap.
4593 2006-06-28 Roger Sayle <roger@eyesopen.com>
4595 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4597 2006-06-28 Roger Sayle <roger@eyesopen.com>
4599 * genpreds.c (generate_switch_p): New function.
4600 (add_mode_tests): Push the new mode test down inside an AND expr
4601 if this allows the switch-suitable MATCH_CODE to be near the root.
4602 (write_match_code_switch): New function to write a MATCH_CODE as
4604 (write_predicate_stmts): New function to write a predicate RTX
4605 expression as a sequence of statements.
4606 (write_one_predicate_function): Use write_predicate_stmts.
4607 (write_tm_constrs_h): Likewise.
4609 2006-06-26 Fred Fish <fnf@specifix.com>
4611 * config/mips/t-sb1: New file.
4612 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4615 2006-06-26 DJ Delorie <dj@redhat.com>
4617 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4619 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4620 Jayant Sonar <jayants@kpitcummins.com>
4621 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4623 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4624 (subsi3, subsi3_1, subsi3_2): New.
4625 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4626 * config/m32c/mov.md (SI mov peephole): New.
4627 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4628 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4630 2006-06-26 Olivier Hainque <hainque@adacore.com>
4632 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4633 a CALL_EXPR target function declaration.
4635 2006-06-26 Richard Guenther <rguenther@suse.de>
4637 * tree.c (build_string): Do not waste tail padding in
4640 2006-06-26 Richard Guenther <rguenther@suse.de>
4642 * ggc-page.c (init_ggc): Add missing element to size_lookup
4646 2006-06-23 Richard Guenther <rguenther@suse.de>
4648 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4649 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4650 alignment requests instead. Add verification code.
4651 Add struct tree_function_decl and struct tree_binfo size to
4652 extra_order_size_table. Add missing element to size_lookup
4655 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4658 * fold-const.c (const_binop): Be prepared for self returning zero.
4659 Simplify code handling complex values.
4661 2006-06-24 Olivier Hainque <hainque@adacore.com>
4663 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4664 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4667 2006-06-24 Olivier Hainque <hainque@adacore.com>
4669 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4670 ARRAY_REF, so have the callback called for the low bound expression.
4672 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4674 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4675 * c-typeck.c (c_common_type): Disallow operations on decimal float
4676 types and other float types.
4677 * convert.c (convert_to_real): Don't ignore conversions involving
4678 decimal float types.
4680 2006-06-23 Olivier Hainque <hainque@adacore.com>
4682 * tree.c (max_int_size_in_bytes): New function, inspired from
4683 code in function.c:assign_temp.
4684 * tree.h (max_int_size_in_bytes): Declare.
4685 * function.c (assign_temp): Use it.
4686 * gimplify.c (create_tmp_var): Relax the assertions on the type
4687 properties, not mandating constant size any more.
4688 (force_constant_size): New static function.
4689 (gimple_add_tmp_var): Use it, forcing variable size to a
4690 constant upper bound if it is not constant on entry.
4692 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4695 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4696 for initialization and setting of one_only flag to ...
4697 (i386_pe_encode_section_info): ...here.
4698 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4699 Recheck that the symbol has not been defined.
4701 2006-06-23 Richard Guenther <rguenther@suse.de>
4703 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4704 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4705 alignment requests instead. Add verification code.
4706 Add struct tree_function_decl and struct tree_binfo size to
4707 extra_order_size_table. Add missing element to size_lookup
4710 2006-06-22 Roger Sayle <roger@eyesopen.com>
4711 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4714 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4715 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4717 2006-06-23 Ben Elliston <bje@au.ibm.com>
4719 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4720 negate dn -- manipulate it directly.
4722 2006-06-22 Roger Sayle <roger@eyesopen.com>
4723 Steven Bosscher <stevenb.gcc@gmail.com>
4726 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4727 generated by gen_move_insn to add REG_LABEL notes if necessary.
4729 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4731 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4732 (leaf_entry): Remove use of MIN_ESA.
4734 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4736 PR rtl-optimization/28121
4737 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4740 2006-06-21 DJ Delorie <dj@redhat.com>
4742 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4744 (mulhisi3_r): Likewise.
4746 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4749 * coverage.c (coverage_counter_alloc): Leave the index type
4751 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4754 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4756 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4757 section from the "Options for Code Generation Conventions".
4759 2006-06-21 Richard Henderson <rth@redhat.com>
4763 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4765 (global_symbolic_operand): Allow weak symbols, even if local_p.
4767 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4769 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4770 (find_interesting_uses_address): Punt if above function returns true.
4772 2006-06-21 Richard Guenther <rguenther@suse.de>
4774 * configure: Regenerated.
4776 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4778 * config/mips/mips.c (function_arg): Where one part of a
4779 complex argument is in registers and the other part in the stack,
4780 return a REG not a PARALLEL.
4782 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4784 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4785 when cross-compiling. Do not substitute libstdcxx_incdir.
4786 * configure: Regenerated.
4788 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4790 * varasm.c (mergeable_string_section): Check for embedded NULs and
4791 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4792 rather than TREE_STRING_LENGTH bytes.
4794 2006-06-21 Richard Guenther <rguenther@suse.de>
4796 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4797 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4800 2006-06-21 Richrad Guenther <rguenther@suse.de>
4802 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4803 Limit iteration over the dominators.
4805 2006-06-20 Roger Sayle <roger@eyesopen.com>
4807 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4808 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4810 2006-06-20 Richard Guenther <rguenther@suse.de>
4811 Michael Matz <matz@suse.de>
4813 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4815 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4816 * et-forest.h (et_free_pools): Prototype new function.
4817 * et-forest.c (et_free_tree_force): Free parent occurrence.
4818 (et_free_pools): New function.
4819 * dominance.c (free_dominance_info): Free et-forest alloc
4822 2006-06-20 Roger Sayle <roger@eyesopen.com>
4824 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4825 integer modes, attempt to directly construct an integer constant.
4827 * fold-const.c (native_encode_vector): Determine the size of each
4828 element from the vector type instead of the first vector element.
4830 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4831 if all of its elements/components are constant.
4832 (build_constructor_from_list): Likewise.
4834 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4836 PR tree-optimization/27331
4837 * tree-data-ref.c (free_data_ref): New function.
4838 (create_data_ref): Fail if the data reference has unknown access
4840 (free_data_refs): Use free_data_ref.
4842 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4845 * tree-inline.c (setup_one_parameter): Strip useless
4846 type conversion before adding it to the IR.
4847 (declare_return_variable): Likewise.
4849 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4852 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4854 2006-06-19 Mike Stump <mrs@apple.com>
4856 * tree.c (variably_modified_type_p): VM arguments don't make the
4859 2006-06-19 Richard Guenther <rguenther@suse.de>
4861 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4862 type conversions after folding.
4864 2006-06-19 Richard Guenther <rguenther@suse.de>
4866 * ggc-page.c (extra_order_size_tab): Add entries with
4867 size of struct function and basic_block.
4868 (size_lookup): Extend to cover sizes up to 511.
4869 (ggc_alloc_stat): Adjust user.
4870 (ggc_pch_count_object): Likewise.
4871 (ggc_pch_alloc_object): Likewise.
4872 (ggc_pch_write_object): Likewise.
4874 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4876 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4877 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4880 2006-06-19 Denis Chertykov <denisc@overta.ru>
4882 * config/avr/libgcc.S : Correct my wrong previous commit.
4884 2006-06-19 Roger Sayle <roger@eyesopen.com>
4887 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4888 have stripped a SUBREG from the shift count, so we may need to
4889 convert_to_mode back to the type's mode before calling make_tree.
4890 Use new_amount instead of amount to avoid expanding a tree twice.
4892 2006-06-19 Richard Guenther <rguenther@suse.de>
4895 * fold-const.c (operand_equal_p): Check if the argument types
4896 have the same precision before stripping NOPs.
4898 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4900 Fix PR tree-optimization/27341
4901 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4903 * tree-complex.c (pass_lower_complex): Update SMT usage.
4905 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4907 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4908 Add a new alternative to the constraint strings. Add move of
4909 operand 1 to 3 to the splitter definition.
4910 ("doloop_si_long"): Second contraint alternative removed.
4912 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4914 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4915 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4917 (AVR_HAVE_MOVW) Define.
4918 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4919 (ASM_SPEC): Add avr25.
4920 (LINK_SPEC): Add avr25.
4921 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4922 (base_arch_s): Add new member 'have_movw_lpmx'.
4923 (avr_arch_types): Init 'have_movw_lpmx'.
4924 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4925 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4926 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4927 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4928 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4930 (avr_file_start): Do not output '.arh' derective.
4931 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4932 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4933 * config/avr/avr.md (mcu_enhanced): Delete.
4934 (mcu_have_movw): Define.
4935 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4936 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4937 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4938 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4939 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4940 attiny861 and at86rf401 devices.
4942 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4944 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4947 2006-06-17 Karl Berry <karl@gnu.org>
4949 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4950 doc/gccint.texi, doc/install.texi (@dircategory): Use
4951 "Software development" instead of "Programming", following
4952 the Free Software Directory.
4954 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4956 * config/i386/i386.c (legitimate_tls_address)
4957 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4958 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4959 (*tls_dynamic_gnu2_combine_64): Likewise.
4961 2006-06-16 Richard Guenther <rguenther@suse.de>
4964 * fold-const.c (negate_expr_p): Do not introduce undefined
4965 overflow in negating INTEGER_CSTs.
4966 (fold_negate_expr): Rename from negate_expr. Revert last
4967 change for folding BIT_NOT_EXPR. Change semantics to
4968 return NULL_TREE for non-simplified negations. Do not
4969 strip type conversions and unify type handling.
4970 (negate_expr): New function, wrap around fold_negate_expr
4971 but ensure building a tree always. Strip type conversions
4972 here, fold to result type.
4973 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4975 2006-06-16 Roger Sayle <roger@eyesopen.com>
4978 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4979 that (would) return their results in stack registers.
4981 2006-06-16 Michael Matz <matz@suse.de>
4982 Richard Guenther <rguenther@suse.de>
4984 * fold-const.c (fold_truthop): Only return new tree node if
4985 we canonicalized something.
4987 2006-06-16 Richard Guenther <rguenther@suse.de>
4989 * function.h (enum function_frequency): Move declaration
4990 out of struct function.
4991 (struct function): Move bool fields and the enum to the bitfield
4992 section. Reorder elements to avoid padding. Remove unused
4993 fields left over from the RTL inliner removal.
4994 * function.c (free_after_compilation): Do not zero removed fields.
4995 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4996 (ipa-type-escape.o): Likewise.
4998 2006-06-16 Richard Guenther <rguenther@suse.de>
5000 * cgraph.h (struct cgraph_local_info): Turn bool elements
5002 (struct cgraph_node): Likewise.
5003 (struct cgraph_varpool_node): Likewise.
5005 2006-06-15 Richard Guenther <rguenther@suse.de>
5007 * fold-const.c (fold_truth_not_expr): Rename from
5008 invert_truthvalue. Give it fold_* semantics to avoid
5010 (invert_truthvalue): New function. Wrapper around
5011 fold_truth_not_expr.
5012 (optimize_minmax_comparison): Avoid creating garbage.
5013 (fold_unary): Use fold_truth_not_expr for folding
5015 (fold_ternary): Replace uses of invert_truthvalue with
5016 fold_truth_not_expr where applicable.
5017 * tree.h (fold_truth_not_expr): Prototype.
5019 2006-06-16 Richard Guenther <rguenther@suse.de>
5021 PR tree-optimization/27781
5022 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5023 * ipa-pure-const.c (target.h): Include.
5024 (analyze_function): Do not analyze functions that do not
5027 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5030 * tree-dfa.c (referenced_vars_dup_list): Remove.
5031 (find_referenced_vars): Remove assert.
5032 (referenced_var_check_and_insert): Replace dup list with assert.
5033 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5034 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5036 2006-06-15 Richard Guenther <rguenther@suse.de>
5038 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5039 extra unused identifiers if not dumping.
5040 (create_variable_info_for): Likewise.
5042 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5044 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5045 (derive_constant_upper_bound): Derive more precise upper bound in
5046 common cases. Return type changed to double_int.
5047 (record_estimate): Reflect the changed return type of
5048 derive_constant_upper_bound.
5049 * double-int.c (double_int_zext, double_int_sext): Fix.
5051 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5053 * configure.ac (CFLAGS): Get them from the toplevel or from the
5054 configure invocation.
5055 * configure: Regenerate.
5056 * Makefile.in (CFLAGS): Substitute value provided by configure.
5058 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5061 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5062 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5063 rather than calling add_stmt on it.
5064 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5066 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5069 * reload1.c (reload): Remove registers returned by update_eliminables
5070 from used_spill_regs.
5072 2006-06-13 DJ Delorie <dj@redhat.com>
5074 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5076 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5078 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5079 html__strip_dir, html__mkdir_p. Enhance install-html target.
5080 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5081 * configure: Regenerate.
5083 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5085 * fold-const.c (fold_cond_expr_with_comparison): Check for
5086 Objective-C++ as language in deciding COND_EXPR transformation.
5088 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5091 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5092 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5093 * config/sh/lib1funcs.h (SL, SL1): Define.
5094 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5095 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5096 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5097 (OBJS_Os_4_200): New variable.
5098 ($(T)libgcc-Os-4-200.a): Use it.
5099 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5100 when dividing 1 and/or by 0.
5102 2006-06-13 Roger Sayle <roger@eyesopen.com>
5104 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5105 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5106 * configure: Regenerate.
5108 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5110 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5111 for real instruction.
5113 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5116 * haifa-sched.c (check_cfg): Handle special case.
5118 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5121 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5122 Add debug_info parameter. Chain the vars to the BLOCK instead
5123 of the BIND_EXPR if debug info are requested for them.
5124 (pop_gimplify_context): Adjust for above change.
5125 (gimple_add_tmp_var): Likewise.
5126 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5128 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5129 (convert_local_reference): Likewise.
5130 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5131 (finalize_nesting_tree_1): Request that debug info be emitted
5132 for debug_var_chain.
5134 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5136 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5137 for PR target/27863.
5139 2006-06-13 Richard Guenther <rguenther@suse.de>
5142 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5144 2006-06-13 Richard Guenther <rguenther@suse.de>
5146 PR tree-optimization/27830
5147 * tree-inline.c (copy_body_r): For copying the operand
5148 of an ADDR_EXPR make sure to fold &* afterwards.
5150 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5152 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5153 lvalues in the fb_none case with side-effects.
5155 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5157 * tree-flow.h: Remove the prototype for
5158 compute_phi_arg_on_exit.
5159 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5160 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5163 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5165 * builtins.c (expand_builtin_return_addr): Only use
5166 frame_pointer_rtx when count == 0 and we are expanding
5167 __builtin_return_address.
5169 2006-06-12 Fred Fish <fnf@specifix.com>
5171 * config/mips/mips.c (mips_file_start): Create special section
5172 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5174 2006-06-11 Eric Christopher <echristo@apple.com>
5177 * stor-layout.c (place_field): Remove check for
5178 remaining_in_alignment when aligning at the end of a run.
5180 2006-06-11 Eric Christopher <echristo@apple.com>
5183 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5186 2006-06-11 Roger Sayle <roger@eyesopen.com>
5189 Revert incorrect fix for PR target/27158
5190 2006-05-08 Roger Sayle <roger@eyesopen.com>
5191 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5192 of a reg_equiv_constant if the result is a legitimate constant.
5194 2006-06-11 Roger Sayle <roger@eyesopen.com>
5197 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5198 extract a CONST_VECTOR element and interpret it as an integer.
5199 (vspltis_constant): Use const_vector_elt_as_int instead of the
5200 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5201 * config/rs6000/predicates.md (easy_vector_const): Consider
5202 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5204 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5207 * stor-layout.c (update_alignment_for_field): Don't add extra
5208 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5211 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5213 * config/mips/t-rtems: Add EL/EB multilib variants.
5215 2006-06-09 Mike Stump <mrs@apple.com>
5217 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5219 2006-06-09 David Daney <ddaney@avtrex.com>
5221 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5223 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5225 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5227 2006-06-09 Richard Guenther <rguenther@suse.de>
5229 PR tree-optimization/26998
5230 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5231 of signed types, only TYPE_MIN_VALUE is special, but for both,
5232 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5233 in this case, as is -fwrapv.
5235 2006-06-08 Mike Stump <mrs@apple.com>
5238 * config/darwin.c (darwin_asm_output_anchor): Disable
5239 -fsection-anchors on darwin for now.
5240 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5241 * rs6000/rs6000.c (optimization_options): Likewise.
5243 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5246 * config/i386/i386.c (classify_argument): Skip fields with invalid
5249 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5251 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5252 (cse_insn): Likewise for the stack_pointer_rtx.
5254 2006-06-08 Roger Sayle <roger@eyesopen.com>
5256 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5257 conditions from floating point comparisons.
5259 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5262 * expmed.c (struct alg_hash_entry): Fix type of field T
5263 to match synth_mult argument.
5264 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5266 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5269 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5272 2006-06-08 Richard Guenther <rguenther@suse.de>
5275 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5276 only, if overflow is defined and not trapping.
5277 (negate_expr): Likewise.
5279 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5281 PR tree-optimization/27872
5282 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5283 flag on the new exit edge of the unrolled loop.
5285 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5287 PR rtl-optimization/26449
5288 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5290 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5293 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5294 referenced_variables with matching DECL_UID's.
5295 (find_referenced_vars): Make sure duplicate list is empty to start.
5296 (referenced_var_p): Remove.
5297 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5298 Check if var is in the list, and add if needed. Update the duplicate
5299 list if a different var is in the list with the same DECL_UID.
5300 (add_referenced_var): Call routine to check and insert.
5301 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5302 * tree-flow.h (referenced_vars_dup_list): External declaration.
5304 2006-06-07 Fred Fish <fnf@specifix.com>
5306 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5309 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5312 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5313 the imaginary and real parts of a clobbered register.
5314 Emit insn to set the imaginary part.
5316 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5318 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5319 in lieu of unwind-dw2-fde.c.
5321 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5323 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5325 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5328 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5329 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5330 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5331 V4SImode temporaries and operations instead.
5333 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5335 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5338 2006-06-06 Mike Stump <mrs@apple.com>
5340 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5341 installing during build.
5343 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5345 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5347 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5348 * config/ia64/ia64.c (params.h): New header.
5349 (ia64_optimization_options): New function to adjust parameters.
5350 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5351 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5352 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5354 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5356 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5358 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5361 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5363 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5364 Victor Kaplansky <victork@il.ibm.com>
5366 PR tree-optimization/26360
5367 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5370 2006-06-04 Roger Sayle <roger@eyesopen.com>
5371 Andrew Pinski <pinskia@physics.uc.edu>
5374 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5375 for LABEL_DECL before calling DECL_WEAK.
5378 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5379 LABEL_DECL and PARM_DECL.
5381 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5385 * c-decl.c (grokdeclarator): Disallow variably modified types at
5386 file scope. Avoid marking shared array type of constant size as
5389 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5392 * c-common.c (fold_offsetof_1): Handle static members.
5394 2006-06-04 Eric Christopher <echristo@apple.com>
5396 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5397 (debug_rli): Output value for remaining_in_alignment.
5398 (update_alignment_for_field): Unconditionalize
5399 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5400 extra alignment code.
5401 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5402 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5403 * tree.h (record_layout_info_s): Remove prev_packed.
5404 * doc/extend.texi (ms_struct): Add documentation of format.
5406 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5408 * tree.h: Declare folding_initializer.
5409 * builtins.c (fold_builtin_constant_p): Give definite answer
5410 if folding inside an initializer.
5411 * fold-const.c: Define folding_initializer.
5412 (START_FOLD_INIT): Save and then set folding_initializer.
5413 (END_FOLD_INIT): Restore folding_initializer.
5415 2006-06-04 Richard Guenther <rguenther@suse.de>
5417 PR tree-optimization/27039
5418 * fold-const.c (fold_comparison): Handle pointer comparison
5419 again for all comparison codes. Compare offsets in signed
5421 (fold_binary): Move code from here.
5423 2006-06-03 Roger Sayle <roger@eyesopen.com>
5426 * config/i386/i386.c (construct_container): Split static issued_error
5427 flag into issued_sse_arg_error, issued_sse_ret_error and
5428 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5429 requires the use of x87 registers and the user explicitly
5430 specified the -mno-80387 command line option.
5432 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5434 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5435 HAVE_DECL_SIGALTSTACK.
5437 (segv_handler): Use MC_FLD.
5438 * configure.ac: Check for a sigaltstack declaration.
5439 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5440 * configure: Regenerate.
5441 * config.in: Regenerate.
5443 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5446 * Makefile.in (stmp-fixinc): Fix typo.
5448 2006-06-02 Roger Sayle <roger@eyesopen.com>
5450 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5451 are type correct. Clean-up.
5452 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5453 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5455 2006-06-01 DJ Delorie <dj@redhat.com>
5457 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5458 shift, as we've disabled the "switch" insn that needs it.
5460 2006-06-01 Per Bothner <bothner@bothner.com>
5462 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5463 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5464 * c-ppoutput.c (cb_define): Don't increment line 0.
5466 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5468 * doc/invoke.texi: Add cpu_type power6.
5469 * config.gcc: Add cpu_type power6.
5470 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5471 to power5+ with Altivec.
5472 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5473 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5475 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5477 * config/avr/avr.h (SET_ASM_OP): Define.
5479 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5481 * config/bfin/bfin.c: Fix comment typos.
5483 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5486 * doc/install.texi: Document --enable-bootstrap and
5487 --disable-bootstrap.
5489 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5491 * doc/install.texi: Document that InfoZIP can replace jar.
5493 2006-05-31 Roger Sayle <roger@eyesopen.com>
5495 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5496 isn't available, directly generate the simpler x87 patterns without
5497 the (use (const_int 0)).
5498 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5499 implementation isn't available.
5500 (*negdf2_1): Likewise.
5501 (*negxf2_1): XF mode negation is always done using the x87.
5502 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5504 2006-05-31 Roger Sayle <roger@eyesopen.com>
5506 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5507 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5509 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5511 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5513 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5514 * config/bfin/bfin.c (basic-block.h): Include.
5515 (struct machine_function): New.
5516 (bfin_init_machine_status): New.
5517 (override_options): Initialize init_machine_status.
5518 (bfin_hardware_loop): New.
5519 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5520 (DEF_VEC_P (loop_info)): New.
5521 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5522 (struct loop_info): New.
5523 (loop_info): New typedef.
5524 (struct loop_work): New.
5525 (loop_work): New typedef.
5526 (DEF_VEC_O (loop_work)): New.
5527 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5528 (bfin_dump_loops): New.
5529 (bfin_bb_in_loop): New.
5530 (bfin_scan_loop): New.
5531 (bfin_optimize_loop): New.
5532 (bfin_reorg_loops): New.
5533 (bfin_reorg): Use bfin_reorg_loops.
5534 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5536 (I_REGNO_P): Simplify.
5537 (DP_REGNO_P, DPREG_P): New macros.
5538 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5539 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5540 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5541 Add LT_REGS, LC_REGS, LB_REGS.
5542 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5544 (REGNO_REG_CLASS): Deal with loop registers.
5545 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5547 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5548 New constants for loop registers.
5549 (UNSPEC_LSETUP_END): New.
5550 (seq_insns): New define_attr. Set it for appropriate insns.
5551 (movsi_insn): Add alternatives for move from/to
5552 loop count registers.
5553 (doloop_end): New define_expand.
5554 (loop_end): New define_insn.
5555 (define_split for bad doloop_end): New.
5556 (lsetup_with_autoinit): New define_insn.
5557 (lsetup_without_autoinit): New define_insn.
5558 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5559 * config/bfin/predicates.md (lc_register_operand): New.
5560 (lt_register_operand): New.
5561 (lb_register_operand): New.
5562 (nondp_register_operand): New.
5563 (nondp_reg_or_memory_operand): New.
5564 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5566 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5568 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5569 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5571 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5573 * Makefile.in (CATALOGS): Add po/ prefix.
5574 * configure: Regenerated.
5576 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5579 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5580 a shift operand before calling shift_op. Avoid redundant call of
5583 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5584 DJ Delorie <dj@redhat.com>
5586 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5587 we're inserting is a singlt-bit constant.
5589 2006-05-30 Roger Sayle <roger@eyesopen.com>
5591 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5592 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5594 2006-05-30 Roger Sayle <roger@eyesopen.com>
5596 PR tree-optimization/23452
5597 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5598 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5599 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5600 complex values and with -ffast-math for FP complex values.
5602 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5604 * c-common.h: Remove the prototype for yyparse.
5605 * rtl.h: Remove the prototype for init_loop.
5607 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5609 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5612 2006-05-30 Roger Sayle <roger@eyesopen.com>
5614 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5616 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5617 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5619 2006-05-30 Dirk Mueller <dmueller@suse.de>
5622 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5623 for CONSTANT_CLASS_P expresisons.
5625 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5628 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5630 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5632 PR tree-optimization/27779
5633 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5634 initial_condition instead of CHREC_LEFT.
5636 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5638 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5639 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5640 Make prototypes ISO C90.
5642 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5643 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5645 * see.c (see_analyze_one_def): Correct check.
5646 (see_get_extension_data): Check if extension is parallel.
5647 (see_get_extension_reg): Likewise.
5649 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5652 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5653 into register for (code == GTU).
5655 2006-05-29 Roger Sayle <roger@eyesopen.com>
5657 PR tree-optimization/24964
5658 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5659 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5660 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5661 abs(x)*abs(x) as x*x for scalar floating point modes.
5663 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5666 * lambda-code.c (perfect_nestify): Don't copy statements
5667 in the inner loop: move them to the inner loop header.
5669 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5672 * c-tree.texi: Document OpenMP directives and clauses.
5674 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5676 * varasm.c (globalize_decl): Fix indentation.
5678 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5681 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5682 pass_fre, pass_store_ccp, pass_copy_prop,
5683 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5684 pass_return_slot, pass_object_size, pass_lim,
5685 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5686 pass_loop_prefetch and pass_stdarg.
5688 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5690 * config/bfin/bfin.opt (mfdpic): New option.
5691 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5692 (EXTRA_MULTILIB_PARTS): Likewise.
5693 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5694 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5696 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5697 (CRT_CALL_STATIC_FUNCTION): New.
5698 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5700 (CRT_CALL_STATIC_FUNCTION): New.
5701 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5703 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5704 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5705 (initialize_trampoline): Changed to handle FD-PIC code generation.
5706 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5707 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5708 (override_options): Disallow -mid-shared-library -mfdpic combination.
5709 Can't do unaligned ops if FD-PIC.
5710 Turn off flag_pic if trying to generate non-id-shared-library
5711 non-fdpic code, since it's not supported.
5712 (bfin_assemble_integer): New function.
5713 (TARGET_ASM_INTEGER): Define.
5714 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5716 * config/bfin/crtn.s: Restore them.
5717 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5719 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5720 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5721 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5722 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5723 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5725 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5726 FDPIC_REGS and FDPIC_FPTR_REGS.
5727 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5728 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5729 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5730 (load_funcdescsi): New pattern.
5731 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5732 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5733 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5735 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5737 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5740 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5742 * tree-flow.h: Remove the prototype for add_type_alias.
5743 * tree-ssa-alias.c (add_type_alias): Remove.
5745 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5747 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5748 config/fr30/fr30.md, config/i386/i386-interix.h,
5749 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5750 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5751 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5752 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5753 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5754 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5755 Follow spelling conventions.
5756 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5757 Follow spelling conventions.
5759 2006-05-27 Richard Guenther <rguenther@suse.de>
5762 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5763 to produce a constant of value 1 of generic type.
5765 2006-05-27 Dirk Mueller <dmueller@suse.de>
5767 * cgraphunit.c (decide_is_function_needed): Fix wrong
5770 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5772 PR rtl-optimization/27661
5773 * reload.c (find_reloads): When reloading a VOIDmode constant
5774 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5775 use Pmode as mode of the reload register.
5777 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5779 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5780 is enabled at -O and above.
5782 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5785 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5788 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5791 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5792 for anonymous variables explicitly declared by front ends.
5794 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5796 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5797 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5798 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5799 ref-all pointers, run a finalization pass for them.
5800 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5801 (finalize_ref_all_pointers): New function.
5802 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5803 regular pointer type to a ref-all pointer type.
5804 (get_tmt_for): Return the special memory tag for ref-all pointers.
5806 2006-05-25 Richard Guenther <rguenther@suse.de>
5809 * fold-const.c (fold_binary): Do not look at the stripped
5810 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5812 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5814 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5815 for LT and GT if the computed range is effectively empty.
5817 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5820 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5821 mips_quad_format formats instead of ieee_single_format,
5822 ieee_double_format and ieee_quad_format formats, respectively.
5824 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5826 PR tree-optimization/27639
5827 PR tree-optimization/26719
5828 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5829 call to scev_probably_wraps_p.
5830 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5831 used_in_pointer_arithmetic_p, convert_step): Removed.
5832 (nowrap_type_p): New function.
5833 (scev_probably_wraps_p): Rewritten.
5834 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5835 chrec_convert if chrec_convert_aggressive might have been used.
5836 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5837 scev_direction): New functions.
5838 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5839 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5840 instead of convert_step.
5841 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5842 (convert_step): Declaration removed.
5843 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5845 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5847 * df-core.c: Added to header comments.
5848 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5849 df_ur_bb_info, df_urec_bb_info): Added comments.
5850 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5851 urec, ri problems): Fixed header comments.
5852 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5853 code from df_rd_transfer_function.
5855 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5857 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5858 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5859 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5861 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5863 * expr.c (undefined_operand_subword_p): New.
5864 (emit_move_multi_word): Do not generate move from undefined bits
5865 of a paradoxical subreg.
5867 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5869 PR rtl-optimization/27736
5870 * combine.c (replaced_rhs_value): New variable.
5871 (combine_instructions): Set it.
5872 (distribute_notes): When distributing a note in replaced_rhs_insn,
5873 check whether the value was used in replaced_rhs_value.
5875 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5878 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5879 add_referenced_var instead of add_referenced_tmp_var.
5880 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5881 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5883 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5884 tree_optimize_tail_calls_1): Use add_referenced_var.
5885 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5886 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5887 Use add_referenced_var.
5888 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5889 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5890 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5891 Use add_referenced_var.
5892 * tree-dfa.c (struct walk_state): Remove.
5893 (find_referenced_vars): Remove walk state and vars_found hash table.
5894 (make_rename_temp): Use add_referenced_var.
5895 (find_vars_r): Pass less parameters to add_referenced_var.
5896 (referenced_var_p): New. Is var in referenced_var hash table.
5897 (referenced_var_insert): Assert var isn't already in hash table.
5898 (add_referenced_var): Don't need walk_state parameter. Add var if it
5899 isn't already in the hash table.
5900 (add_referenced_tmp_var): Remove.
5901 (find_new_referenced_vars_1): Use add_referenced_var.
5902 * tree-ssa-pre.c (create_expression_by_pieces,
5903 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5904 Use add_referenced_var.
5905 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5906 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5907 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5909 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5910 vect_create_data_ref_ptr, vect_create_destination_var,
5911 vect_init_vector, vect_build_loop_niters,
5912 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5913 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5914 Use add_referenced_var.
5915 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5916 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5917 (add_referenced_var): Add prototype.
5918 * tree-ssa-structalias.c (get_constraint_for,
5919 intra_create_variable_infos): Use add_referenced_var.
5921 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5923 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5924 big-endian paradoxical subregs.
5925 * var-tracking.c (struct micro_operation_def): Document that,
5926 for modify micro operations, insn is the subsequent instruction.
5927 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5928 (var_reg_set, var_mem_set): ... new functions.
5929 (add_stores): Record subsequent insn.
5930 (compute_bb_dataflow): Use new functions for MO_USE.
5931 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5932 notes after the insn, and modify notes before the insn known
5933 to be the subsequent one.
5934 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5936 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5939 * config/i386/i386.c (ix86_expand_builtin): Use
5940 gen_sse3_monitor64 for TARGET_64BIT.
5942 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5944 PR rtl-optimization/26375
5945 PR rtl-optimization/26855
5946 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5948 (df_ru_bb_local_compute): Reversed statements and removed bogus
5949 comment explaining why they should be in wrong order.
5950 (df_ru_dump, df_rd_dump): Enhanced debug info.
5951 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5953 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5954 reaching uses and fixed space problem.
5956 2006-05-23 Jan Hubicka <jh@suse.cz>
5958 * cgraphunit.c (decide_is_function_needed): Also nested functions
5959 and functions declared inline can be optimized out at -O0.
5961 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5963 * doc/install.texi (Configuration): Remove reference to CrossGCC
5967 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5970 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5971 ix86_compare_emitted is non-NULL.
5973 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5976 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5979 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5981 PR rtl-optimization/25514
5982 * combine.c (replaced_rhs_insn): New variable.
5983 (combine_instructions): Set replaced_rhs_insn when trying to replace
5984 a SET_SRC with a REG_EQUAL note.
5985 (distribute_notes): Use replaced_rhs_insn when determining the live
5986 range of a REG_DEAD register.
5988 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5989 Anatoly Sokolov <aesok@post.ru>
5991 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5992 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5993 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5994 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5995 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5996 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5997 at90usb647, at90usb1286 and at90usb1287 devices.
5998 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5999 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6001 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6003 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6005 2006-05-22 Richard Guenther <rguenther@suse.de>
6008 2006-01-31 Richard Guenther <rguenther@suse.de>
6009 Paolo Bonzini <bonzini@gnu.org>
6011 * doc/install.texi (--disable-libgcc-math): Document.
6013 2006-05-22 Richard Guenther <rguenther@suse.de>
6016 2006-01-31 Richard Guenther <rguenther@suse.de>
6018 * doc/invoke.texi (-msselibm): Document.
6019 * target.h (expand_library_builtin): New target hook.
6020 * builtins.c (expand_builtin): Use expand_library_builtin.
6021 (default_expand_library_builtin): New function.
6022 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6023 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6024 (link_gcc_math_spec): Declare.
6025 (static_specs): Add link_gcc_math_spec.
6026 * expr.h (default_expand_library_builtin): Declare.
6027 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6028 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6029 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6030 * config/i386/i386.opt (msselibm): New target option.
6031 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6032 (ix86_init_sse_abi_builtins): New function.
6033 (ix86_expand_library_builtin): Likewise.
6034 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6035 (override_options): Handle error conditions wrt -msselibm.
6036 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6037 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6038 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6041 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6044 * c-common.c (self_promoting_args_p): Skip erroneous args.
6047 * c-decl.c (finish_struct): Skip erroneous fields.
6049 2006-05-22 Nick Clifton <nickc@redhat.com>
6051 * config/cris/cris.opt (march): Remove VarExists attribute.
6052 (max-stackframe=): Likewise.
6054 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6056 * doc/rtl.texi: Fix a typo.
6057 * see.c: Fix comment typos.
6059 * tree-ssa-structalias.h (alias_info): Remove num_references.
6061 2006-05-21 Mike Stump <mrs@apple.com>
6063 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6065 (darwin_pragma_options): Use BAD instead.
6066 (darwin_pragma_unused): Likewise.
6067 (darwin_pragma_ms_struct): Likewise.
6069 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6071 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6073 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6075 PR rtl-optimization/27671
6076 * simplify-rtx.c (simplify_relational_operation_1): Fix
6077 simplifications of (eq/ne (xor x y) y) and
6078 (eq/ne (xor x y) x).
6080 PR tree-optimization/26622.
6081 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6084 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6086 * tree-cfg.c: Prune whitespace.
6087 (debug_tree_cfg): Point to correct header containing the
6090 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6093 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6095 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6098 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6099 or sorry count is non zero.
6101 2006-05-20 Andreas Schwab <schwab@suse.de>
6103 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6105 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6106 Kenneth Zadeck <zadeck@naturalbridge.com>
6108 PR rtl-optimization/26855
6110 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6112 (df_scan_alloc): Added code to properly handle multiword hard
6113 registers and add all_blocks parameter.
6114 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6115 code to properly handle multiword hard registers.
6116 (df_rescan_blocks): Added code to remove deleted blocks from
6118 (df_ref_create_structure, df_ref_record): Added code to properly
6120 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6121 and set DF_REF_PARTIAL.
6122 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6123 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6124 (df_scan_add_problem): Added flags parameter.
6125 (df_ref_create_structure): Changed switching structure.
6126 (df_bb_refs_record): Fixed case where duplicate artificial refs
6127 were created. Changed location of flags.
6128 (df_record_entry_block_defs): Added code to make stack pointer
6129 live in entry block. Refined cases where frame pointer is needed.
6130 Changed location of flags.
6131 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6132 (df_set_state): Removed function.
6133 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6134 df_insn_create_insn_record, df_insn_refs_delete,
6135 df_ref_create_structure): Formatting changes.
6136 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6137 df_delete_basic_block): New function.
6138 (df_init): Changed location of flags.
6139 (df_add_problem): Added flags parameter and the way flags are
6141 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6142 debug_df_chain): Improved debugging output.
6143 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6144 (df_refs_chain_dump): Removed df parameter.
6145 (df_iterative_dataflow): Added consistency check.
6146 (df_prune_to_subcfg): Made public.
6147 (df_analyze_problem): Added blocks_to_init parameter and made
6149 (df_ref_record, df_bb_refs_record, df_mark_reg,
6150 df_record_exit_block_uses): Whitespace changes.
6151 (df_dump): Whitespace changes.
6152 * df.h: Some reordering to remove forward references.
6153 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6154 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6155 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6156 (dataflow.flags): New field.
6157 (df.flag): Deleted field.
6158 (df_alloc_function): Added additional bitmap parameter.
6159 (df_dependent_problem_function): New type.
6160 (df_problem.changeable_flags): New field.
6161 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6162 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6163 (df_mw_hardreg): New struct.
6164 (DF_INSN_UID_MWS): New macro.
6165 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6167 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6168 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6169 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6170 (df_set_state): Removed function.
6171 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6172 * df-problems.c (df_chain_dump): Removed df parameter.
6173 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6174 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6176 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6177 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6178 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6179 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6180 DF_REF_MUST_CLOBBER cases.
6181 (df_ru_bb_local_compute_process_def,
6182 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6183 df_lr_bb_local_compute, df_ur_bb_local_compute,
6184 df_chain_create_bb): Made subreg aware.
6185 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6186 df_lr_bb_local_compute, df_lr_bb_local_compute,
6187 df_chain_create_bb): Cleanup to use proper macros.
6188 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6189 code to fixup bitvectors.
6190 (df_ri_alloc): Cleared lifetime.
6191 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6192 df_create_unused_note): New function.
6193 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6194 REG_DEAD and REG_UNUSED notes as well as register information.
6195 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6196 df_chains_dump): Fixed crash if problem was never run.
6197 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6198 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6199 df_ri_add_problem): Processes flags in uniform manner.
6200 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6201 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6202 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6203 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6204 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6205 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6206 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6207 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6208 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6209 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6210 * see.c (see_initialize_data): Ditto.
6211 * final.c (rest_of_clean_state) Added regstack_completed.
6212 * rtl.h (regstack_completed): Ditto.
6213 * reg-stack.c (regstack_completed): Ditto.
6215 2006-05-19 Mike Stump <mrs@apple.com>
6217 * c-tree.h (default_conversion): Remove.
6218 * c-common.h (default_conversion): Add.
6220 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6222 * tree-vrp.c (valid_value_p): New function.
6223 (adjust_range_with_scev): Fail if the value of bound is not
6226 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6228 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6229 (mips_fallback_frame_state): Use syscall numbers to determine
6230 the appropriate li instruction for the current ABI. Only use
6231 __NR_sigreturn for o32.
6233 2006-05-19 Nicolas Setton <setton@adacore.com>
6235 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6236 * langhooks.c (lhd_dwarf_name): New function.
6237 * langhooks-def.h (lhd_dwarf_name): Declare.
6238 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6239 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6240 * ada/misc.c (gnat_dwarf_name): New function.
6241 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6243 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6245 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6247 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6248 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6249 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6250 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6251 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6252 determine the size of Wtype, etc.
6253 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6254 (swfloatfuncs): New variable.
6255 (dwfloatfuncs): Likewise.
6256 (lib2funcs): Remove floating-point conversion functions from
6257 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6258 the set of conversion routines needed. Allow entries to specify
6259 an object name, filename and word size. Update users accordingly.
6260 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6261 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6265 2006-02-08 Roger Sayle <roger@eyesopen.com>
6268 * config/fixtfdi.c: New libgcc source file.
6269 * config/fixunstfdi.c: New source file.
6270 * config/floatditf.c: New source file.
6271 * config/floatunditf.c: New souce file.
6272 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6273 files above instead of config/mips/_tilib.c.
6274 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6276 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6278 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6279 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6281 2006-05-18 Mike Stump <mrs@apple.com>
6283 Fix up vla, vm and [*] sematics.
6289 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6290 (c_vla_unspec_p): Add.
6291 (c_vla_type_p): Add.
6292 * c-decl.c (struct c_scope): Add had_vla_unspec.
6293 (build_array_declarator): Add support for [*].
6294 (grokdeclarator): Likewise.
6295 (grokparms): Likewise.
6296 (get_parm_info): Likewise.
6297 * c-objc-common.c (c_vla_unspec_p): Likewise.
6298 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6299 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6300 typeof when argument is a variably modified type not inside sizeof or alignof.
6301 (c_parser_direct_declarator_inner): Propagate errors.
6302 (c_parser_sizeof_expression): Add support for [*].
6303 (c_parser_parms_declarator): Initialize had_vla_unspec.
6304 (c_parser_parms_list_declarator): Likewise.
6305 * c-typeck.c (c_vla_type_p): Add.
6306 (composite_type): Add support for vla compositing.
6307 (comptypes_internal): Add support for vla compatibility.
6308 (c_expr_sizeof_expr): Evaluate vla arguments.
6309 * tree.c (variably_modified_type_p): Update comment for [*].
6311 2006-05-18 Michael Matz <matz@suse.de>
6314 * config.host: Make assignments to host_xmake_file cumulative.
6315 * config.host (*-darwin*): Test $host, not $target.
6317 2006-05-12 Stuart Hastings <stuart@apple.com>
6319 * config/i386/i386.opt (-mstackrealign): New flag.
6320 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6321 (ix86_handle_cconv_attribute): Emit error when
6322 force_align_arg_pointer attribute collides with too many regparms.
6323 (ix86_function_regparm): Limit regparms when used with
6324 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6325 Support stack-realigning prologue in non-main functions. Emit
6326 warning for nested functions under -mstackrealign, emit error for
6327 nested functions with force_align_arg_pointer attribute.
6328 * doc/extend.texi (force_align_arg_pointer): Document it.
6329 * doc/invoke.texi (-mstackrealign): Document it.
6331 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6333 PR rtl-optimization/27477
6334 * combine.c (try_combine): Don't split a parallel consisting
6335 of two sets into two individual sets if both sets reference
6338 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6340 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6341 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6343 * doc/options.texi (VarExists): Updated.
6345 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6347 * unwind-dw2.c: Add declarations for uw_update_context and
6349 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6350 detected, advance frame state and context once to skip over stub.
6352 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6356 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6357 Call rewrite_into_loop_closed_ssa only when something changed.
6358 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6359 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6360 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6361 Test for perfect_nest_p here. Fix formating.
6362 (replace_uses_equiv_to_x_with_y): Fix formating.
6363 (stmt_uses_op): Removed.
6364 (can_convert_to_perfect_nest): Removed loopivs parameter.
6365 Complete the test by checking the scalar dependences.
6366 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6369 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6372 From Dan Kegel <dank@kegel.com>:
6373 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6375 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6377 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6378 if the element type is variably modified without recursing.
6380 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6383 * tree-loop-linear.c (try_interchange_loops): Test for
6384 no data dependences.
6386 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6388 PR tree-optimization/27548
6389 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6390 range of ssa names that appear on abnormal edges.
6391 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6392 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6394 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6397 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6399 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6402 * tree.h (OMP_PARALLEL_COMBINED): Define.
6403 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6404 (new_omp_context): Add is_combined_parallel argument.
6405 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6406 new_omp_context caller.
6407 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6408 Adjust gimplify_scan_omp_clauses callers.
6409 (omp_is_private): Issue errors if iteration variable is firstprivate
6410 or reduction in the current context.
6411 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6412 on combined parallel workshare constructs.
6414 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6416 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6417 (gcc-options.o): New rule.
6419 * optc-gen.awk: Protect variables for gcc-options.o with
6420 #ifdef GCC_DRIVER/#endif.
6422 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6424 Fix PR tree-optimization/27373
6425 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6426 (forward_propagate_addr_expr): Update call.
6428 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6430 * doc/options.texi: Move the Negative option.
6432 2006-05-16 Richard Guenther <rguenther@suse.de>
6434 PR tree-optimization/22303
6435 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6437 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6438 ccp_fold did not simplify the statement.
6440 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6443 * Makefile.in (GCC_OBJS): New.
6444 (OBJS-common): Add opts-common.o.
6445 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6446 (cpp$(exeext)): Likewise.
6447 (gcc.o): Also depend on opts.h.
6448 (opts-common.o): New.
6450 * common.opt (gcoff): Add Negative(gdwarf-2).
6451 (gdwarf-2): Add Negative(gstabs).
6452 (gstabs): Add Negative(gstabs+).
6453 (gstabs+): Add Negative(gvms).
6454 (gvms): Add Negative(gxcoff).
6455 (gxcoff): Add Negative(gxcoff+).
6456 (gxcoff+): Add Negative(gcoff).
6457 * config/i386/i386.opt (m32): Add Negative(m64).
6458 (m64): Add Negative(m32).
6460 * doc/options.texi: Document the Negative option.
6462 * gcc.c: Include "opts.h".
6463 (main): Call prune_options after expandargv.
6465 * optc-gen.awk: Generate common declarations for all flag
6466 variables in options.c. Output the neg_index field.
6468 * opts.c (find_opt): Moved to ...
6469 * opts-common.c: Here. New file.
6471 * opts.h (cl_option): Add a neg_index field.
6473 (prune_options): Likewise.
6475 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6478 * omp-low.c (expand_omp_parallel): Don't assert
6479 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6480 instead search for it.
6483 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6486 2006-05-16 Andreas Schwab <schwab@suse.de>
6488 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6491 2006-05-15 Roger Sayle <roger@eyesopen.com>
6494 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6495 integer constants other than zero are only legitimate on TARGET_64BIT.
6496 <CONST_VECTOR> Only zero vectors are legitimate.
6497 (ix86_cannot_force_const_mem): Integral and vector constants can
6498 always be put in the constant pool.
6500 2006-05-16 DJ Delorie <dj@redhat.com>
6502 * crtstuff.c (__dso_handle): Set section from
6503 TARGET_LBIGCC_SDATA_SECTION if defined.
6504 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6505 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6507 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6510 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6513 2006-05-16 Ben Elliston <bje@au.ibm.com>
6515 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6517 2006-05-15 Per Bothner <per@bothner.com>
6519 * tree.c: (last_annotated_node): Use source_locus typedef.
6520 This permits bootstrapping with --enable-mapped-location.
6522 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6524 PR tree-optimization/26830
6525 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6526 (info_for_ssa_name, current_info_for_ssa_name_age,
6527 blocks_to_update): New variables.
6528 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6529 (clear_ssa_name_info, initialize_flags_in_bb,
6530 mark_block_for_update): New functions.
6531 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6532 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6533 prepare_def_site_for): Use mark_block_for_update.
6534 (mark_def_interesting): Assert that the processed block is marked in
6535 blocks_to_update. Do not take blocks argument.
6536 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6538 (rewrite_update_init_block, rewrite_update_stmt): Only process
6539 blocks with statements to rewrite.
6540 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6541 (update_ssa): Initialize and free blocks_to_update. Do not
6542 clear flags on statements. Do not use blocks bitmap.
6543 * tree.h (SSA_NAME_AUX): Removed.
6544 (struct tree_ssa_name): Removed aux field.
6545 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6547 2006-05-15 Richard Guenther <rguenther@suse.de>
6549 PR tree-optimization/27603
6550 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6551 Do computations in original type.
6553 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6555 * see.c: Code style changes such as redundant paranthesis,
6556 redundant intialization of local variables etc.
6557 (see_main): Declared now as static.
6558 * doc/invoke.texi: Update that -fsee is not enabled by
6561 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6563 * omp-low.c (check_omp_nesting_restrictions): New function.
6564 (scan_omp_1): Call it.
6567 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6568 construct, return *VAR.
6570 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6572 PR rtl-optimization/27406
6573 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6576 2006-05-14 Roger Sayle <roger@eyesopen.com>
6578 PR rtl-optimization/27538
6579 * combine.c (expand_compound_operation): Call gen_lowpart
6580 before calling simplify_shift_const.
6582 2006-05-14 Roger Sayle <roger@eyesopen.com>
6584 PR rtl-optimization/22563
6585 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6586 a fixed width bitfield, always force the intermediates into psuedos.
6588 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6591 * mkconfig.sh: Use operator = instead of == for test.
6593 2006-05-13 Nick Clifton <nickc@redhat.com>
6595 * dwarf2out.c (dbx_reg_number): Check return value from
6596 LEAF_REG_REMAP and only use it if it is valid.
6597 (multiple_reg_loc_descriptor): Likewise.
6599 2006-05-13 Richard Guenther <rguenther@suse.de>
6601 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6604 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6606 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6607 information attached to non-INSNs such as NOTEs.
6608 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6610 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6612 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6614 * config/s390/s390.md: Adjust comment describing On constraint.
6616 2006-05-11 Jan Hubicka <jh@suse.cz>
6618 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6619 to be output at -O0.
6621 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6624 * fold-const.c (size_binop): Move sanity check for arguments to
6625 the beginning of the function.
6628 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6631 2006-05-11 Richard Guenther <rguenther@suse.de>
6634 * fold-const.c (fold_unary): Handle intermediate conversion
6635 to a pointer type like intermediate conversion to an integer
6636 type in folding of (T1)(T2)var to var.
6637 Match the code to the comment in the final conversion for
6638 (T1)(T2)var to (T1)var regarding to type precision. Rather
6639 than disallow T1 being of pointer type, assert that both T1
6640 and var are of pointer type or not. Make sure not to fall
6641 over the frontends lazyness wrt array to pointer decay though.
6643 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6645 * arm.c (arm_struct_value_rtx): Delete.
6646 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6647 (arm_init_cumulative_args): Always initialize nregs to zero.
6649 2006-05-10 Richard Guenther <rguenther@suse.de>
6651 PR tree-optimization/27532
6652 * tree-object-size.c (plus_expr_object_size): Fix typo.
6654 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6657 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6658 ashrdi_const, ashrdi3): Use a scratch register.
6660 2006-05-10 Richard Guenther <rguenther@suse.de>
6662 PR tree-optimization/27302
6663 * fold-const.c (operand_equal_p): For two comparisons,
6664 try comparison of one comparison code swapped if that yields
6667 2006-05-10 Ben Elliston <bje@au.ibm.com>
6669 * tree-pretty-print.c (pretty_print_string): No need to handle
6670 '\0' as a special character.
6672 * tree.h: Include "hashtab.h".
6673 (iterative_hash_expr): Use hashval_t in its prototype.
6674 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6676 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6679 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6680 (hppa*64*-*-hpux11*): Ditto.
6681 (hppa[12]*-*-hpux11*): Ditto.
6683 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6686 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6688 2006-05-09 Michael Matz <matz@suse.de>
6690 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6691 host_extra_gcc_objs and host_xmake_file.
6692 (<*-*-linux*>): Don't overwrite host_xmake_file.
6693 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6694 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6695 (host_detect_local_cpu): Declare.
6696 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6697 * config/i386/i386.c (override_options): Handle -mtune=native
6699 * config/i386/x-i386: New file.
6700 * config/i386/driver-i386.c: New file.
6701 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6704 2006-05-09 Dirk Mueller <dmueller@suse.de>
6705 Richard Guenther <rguenther@suse.de>
6708 * fold-const.c (fold_read_from_constant_string): Relax check
6709 for matching types to matching modes.
6711 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6713 PR rtl-optimization/27335
6714 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6717 2006-05-08 Chao-ying Fu <fu@mips.com>
6718 Richard Sandiford <richard@codesourcery.com>
6720 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6721 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6722 * config/mips/mips.md (UNSPEC_SCC): New constant.
6723 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6724 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6725 (mips_emit_compare): Use it.
6726 (mips_expand_vcondv2sf): New function.
6728 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6730 Fix PR tree-optimization/27093
6731 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6732 renaming when they become not-used_alone.
6734 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6736 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6737 relocation and relocation stubs.
6739 2006-05-08 Eric Christopher <echristo@apple.com>
6741 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6744 2006-05-08 Jan Hubicka <jh@suse.cz>
6747 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6748 unused static functions are needed.
6750 2006-05-08 Roger Sayle <roger@eyesopen.com>
6753 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6754 of a reg_equiv_constant if the result is a legitimate constant.
6756 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6759 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6760 standard 80387 constants, raise the cost to prevent
6761 compress_float_constant() to generate load from memory.
6763 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6765 * config/arm/constraints.md (c): Fix a typo.
6767 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6770 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6773 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6775 (_mm_mwait): Likewise.
6777 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6779 (sse3_monitor): Make it 32bit only.
6780 (sse3_monitor64): New. 64bit monitor.
6782 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6785 * config/i386/i386.c (classify_argument): Skip fields with invalid
6788 2006-05-07 Richard Guenther <rguenther@suse.de>
6790 PR tree-optimization/27409
6791 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6792 Do not try to find zero-sized subvars.
6794 2006-05-07 Richard Guenther <rguenther@suse.de>
6796 PR tree-optimization/27136
6797 * tree-ssa-loop-niter.c (get_val_for): Correct function
6798 comment, assert requirements.
6799 (loop_niter_by_eval): Stop processing if the iterated
6800 value did not simplify.
6802 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6804 * opts.c (flag_see): remove its setting at -O3.
6806 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6808 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6809 * arm/constraints.md: New file.
6810 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6811 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6812 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6813 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6814 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6815 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6816 * arm.md: Include constraints.md.
6817 (thumb_movsi_insn): Use satisfies_constraint_J.
6818 (movhi, movqi): Use satisfies_constraint_I.
6820 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6822 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6823 for atmeg a645 device.
6825 2006-05-06 Richard Guenther <rguenther@suse.de>
6827 PR tree-optimization/27151
6828 * tree-vect-transform.c (vectorizable_condition): Punt on
6829 values that have a different type than the condition.
6831 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6834 * c-parser.c (c_parser_cast_expression): Only insert casts into
6835 hash table if pointer.
6836 * function.c (used_types_insert_helper): Rename from
6838 (used_types_insert): Call used_types_insert_helper.
6839 * function.h (used_types_insert): Accept only one argument.
6841 2006-05-05 David Edelsohn <edesohn@gnu.org>
6843 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6844 scratch with output modifier.
6846 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6849 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6850 with output modifier.
6852 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6855 * config/mips/mips.c (mips_symbolic_address_p): Return true
6856 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6857 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6859 2006-05-04 Richard Guenther <rguenther@suse.de>
6861 PR tree-optimization/14287
6862 PR tree-optimization/14844
6863 PR tree-optimization/19792
6864 PR tree-optimization/21608
6865 PR tree-optimization/27090
6866 * tree-ssa-pre.c (try_combine_conversion): New function.
6867 (compute_avail): After constructing the value-handle
6868 expression, use try_combine_conversion to combine NOP_EXPRs
6869 with previous value-handle expressions and use the result if it
6872 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6874 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6876 2006-05-04 Jan Hubicka <jh@suse.cz>
6879 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6881 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6883 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6884 that this only matches CONST_INTs. All users changed to VOIDmode
6887 * config/bfin/bfin.c: Include "optabs.h".
6888 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6890 (enum bfin_builtins): Add a number of fractional and vector builtins.
6891 (bfin_init_builtins): Likewise.
6892 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6893 (safe_vector_operand, bfin_expand_binop_builtin,
6894 bfin_expand_unop_builtin): New functions.
6895 (bfin_expand_builtin): Handle the new builtins.
6896 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6899 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6902 * Makefile.in (OBJS-common): Add see.o.
6903 (see.o): Add dependencies.
6904 * common.opt (fsee): New flag for the see optimization was added.
6905 * opts.c (flag_see): Initialized.
6906 * passes.c (init_optimization_passes, pass_see): New pass.
6907 * rtl.h (see_main): Declaration as extern.
6908 * timevar.def (TV_SEE): New.
6909 * tree-pass.h (pass_see): Declaration as extern.
6910 * invoke.texi (-fsee): Document.
6911 * recog.c (validate_simplify_insn): New function.
6912 * recog.h (validate_simplify_insn): Declaration as extern.
6913 * df-problems.c (df_chain_dump): Check for NULL.
6915 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6916 Daniel Berlin <dberlin@dberlin.org>
6918 * cfgrtl.c (insert_insn_bb_end_new): New function.
6919 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6921 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6923 * df.h (struct web_entry): Moved from web.c.
6924 (union_defs): Declaration as extern.
6925 (unionfind_root): Likewise.
6926 (unionfind_union): Likewise.
6927 * web.c (struct web_entry): Moved to df.h.
6928 (unionfind_root): Remove static declaration.
6929 (unionfind_union): Likewise.
6930 (union_defs): Likewise and generalize to use callback function.
6931 (web_main): Update arguments for union_defs function call.
6933 2006-05-04 Richard Guenther <rguenther@suse.de>
6935 PR tree-optimization/26447
6936 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6937 produce SSA_NAME copies before the store stmt to avoid
6938 breaking exception handling.
6940 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6943 * gimplify.c (omp_is_private): If var is shared in some outer context,
6944 return false instead of true. Stop searching on parallel context
6947 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6950 * coverage.c: Use get_gcov_unsigned_t() instead of
6951 unsigned_type_node all over.
6953 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6955 PR tree-optimization/27381
6956 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6957 maintain the same immediate_use links.
6958 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6959 node rather than segfaulting.
6961 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6964 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6965 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6966 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6968 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6970 Fix PR tree-optimization/26626
6971 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6973 * tree-ssa-operands.c (access_can_touch_variable): Allow
6974 typecasting through union pointers.
6976 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6979 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6980 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6981 to find if var will be a global variable even in the nested context.
6982 (omp_copy_decl): Only check for global variable at the end, it might
6983 be overridden in outer contexts.
6984 (scan_sharing_clauses): For global variables don't create a field.
6985 (lower_rec_input_clauses): Do nothing for global shared variables.
6986 Emit a barrier at the end of ILIST if there were any decls in both
6987 firstprivate and lastprivate clauses.
6988 (lower_send_clauses): Do nothing for global variables except for
6991 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6993 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6994 of the correct signedness is returned.
6996 2006-05-02 Jeff Law <law@redhat.com>
6998 PR tree-optimization/27364
6999 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7000 multiply expressions.
7002 2006-05-02 Tom Tromey <tromey@redhat.com>
7004 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7006 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7009 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7010 -mthumb -fPIC are used.
7012 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7013 Joshua Kinard <kumba@gentoo.org>
7016 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7017 with 64-bit pointers.
7019 2006-05-02 Paul Brook <paul@codesourcery.com>
7021 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7023 (create_fix_barrier): Check that a suitable barrier location is
7025 (arm_reorg): Include ftmp->address in allowable range of addresses.
7027 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7030 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7033 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7036 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7037 around RESULT_DECL for result passed by reference.
7038 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7039 * omp-low.c (use_pointer_for_field): Don't look at
7040 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7041 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7042 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7043 time or var for passing by reference for
7044 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7045 TREE_ADDRESSABLE variables when passing by reference.
7047 * omp-low.c (dump_omp_region): Fix output formatting.
7050 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7051 (expand_omp_parallel): Likewise.
7052 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7055 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7056 on statement list containing also constructors and destructors.
7057 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7060 * except.c (duplicate_eh_regions): Fix clearing of
7061 cfun->eh->region_array entries.
7063 2006-05-01 DJ Delorie <dj@redhat.com>
7065 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7067 (gcc_cv_objdump): Likewise.
7068 * configure: Regenerated.
7070 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7073 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7074 templates for case 3 and 4.
7076 2006-05-01 DJ Delorie <dj@redhat.com>
7078 * vec.c: Include bconfig.h when appropriate.
7079 * Makefile.in (build/vec.o): Adjust dependencies.
7080 * mkconfig.sh: Make sure config.h isn't used for build machine
7083 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7085 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7087 (mark_phi_for_rewrite): New function.
7088 (insert_phi_nodes_for, mark_use_interesting): Call
7089 mark_phi_for_rewrite.
7090 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7091 (update_ssa): Initialize and free phis_to_rewrite.
7093 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7095 PR rtl-optimization/27291
7096 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7097 folded to a constant.
7099 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7101 PR tree-optimization/27283
7102 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7103 not whole # of iteration descriptions.
7104 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7105 uses abnormal ssa name.
7106 (niter_for_single_dom_exit): Ditto.
7107 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7108 return just the number of iterations.
7110 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7112 PR tree-optimization/27144
7113 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7114 (record_estimate): Only record constant upper bound.
7115 (infer_loop_bounds_from_undefined): Call
7116 compute_estimated_nb_iterations just once.
7117 (proved_non_wrapping_p): Renamed to ...
7118 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7119 (convert_step_widening, scev_probably_wraps_p): Call
7120 n_of_executions_at_most instead of proved_non_wrapping_p.
7121 (substitute_in_loop_info): Do not replace values in bounds.
7122 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7125 2006-05-01 Richard Henderson <rth@redhat.com>
7128 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7129 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7132 2006-05-01 Roger Sayle <roger@eyesopen.com>
7134 * c-typeck.c (parser_build_binary_op): Don't call the function
7135 unsigned_conversion_warning to spot operand/result type overflow.
7136 (build_binary_op): Instead, call convert_and_check instead of
7137 convert to report the problem when the operands are promoted.
7138 * c-common.c (unsigned_conversion_warning): Make static.
7139 * c-common.h (unsigned_conversion_warning): Delete prototype.
7141 2006-05-01 Richard Guenther <rguenther@suse.de>
7143 PR tree-optimization/26726
7144 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7146 (find_interesting_uses_address): ... we work around here
7147 by folding INDIRECT_REFs in the substituted base.
7149 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7151 * omp-low.c (dump_omp_region): Add newlines.
7153 2006-04-30 Roger Sayle <roger@eyesopen.com>
7155 * common.opt (Woverflow): New command line option.
7156 * c-common.c (constant_expression_warning): Check warn_overflow.
7157 (overflow_waring): Pass OPT_Woverflow to warning.
7158 (unsigned_conversion_warning): Likewise.
7159 (convert_and_check): Likewise.
7160 * doc/invoke.texi: Document new command line option.
7162 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7164 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7165 TARGET_NO_FP_IN_TOC for section anchors.
7166 (optimization_options): Enable section anchors for all
7167 non-"Objective" languages.
7169 2006-04-28 Eric Christopher <echristo@apple.com>
7171 * config/darwin-c.c (darwin_ms_struct): Move this
7172 (darwin_set_default_type_attributes): and this...
7173 * config/darwin.c: ... here.
7174 * config/darwin.h (darwin_ms_struct): Declare.
7176 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7178 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7180 2006-04-28 Roger Sayle <roger@eyesopen.com>
7183 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7184 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7185 an unsigned HOST_WIDE_INT.
7186 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7188 (really_start_incremental_init): No need to call convert because
7189 bitsize_zero_node is already of type bitsizetype.
7190 (push_init_level): Extract the value of constructor_index as an
7191 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7192 (process_init_element): Likewise.
7194 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7196 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7197 value before passing to make_relative_prefix.
7199 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7202 * builtins.c (expand_builtin_memset): Expand val in original mode.
7204 2006-04-27 Eric Christopher <echristo@apple.com>
7206 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7207 with #ifndef/#endif.
7208 * config/darwin-c.c (darwin_ms_struct): New.
7209 (darwin_pragma_ms_struct): Ditto.
7210 (darwin_set_default_type_attributes): Ditto.
7211 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7212 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7213 Register ms_struct pragma.
7214 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7215 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7216 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7217 darwin_set_default_type_attributes if TARGET_MACHO.
7219 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7221 PR tree-optimization/26854
7222 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7223 * doc/tree-ssa.texi: Update immuse iterator documentation.
7224 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7225 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7226 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7227 first_safe_imm_use, next_safe_imm_use): Remove.
7228 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7229 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7230 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7231 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7232 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7233 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7234 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7235 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7236 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7237 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7238 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7239 (perfect_nestify): Use new iterator.
7240 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7242 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7243 (next_imm_name): New field in struct immediate_use_iterator_d.
7244 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7245 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7246 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7247 * tree-cfg.c (replace_uses_by): Use new iterator.
7248 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7249 * tree-ssa-operands.c (correct_use_link): Remove.
7250 (finalize_ssa_use_ops): No longer call correct_use_link.
7252 2006-04-27 Stuart Hastings <stuart@apple.com>
7254 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7255 * config/t-darwin (crt3.o): Use it.
7256 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7257 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7258 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7259 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7260 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7263 2006-04-27 Roger Sayle <roger@eyesopen.com>
7265 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7266 size, force the intermediate into a new pseudo rather instead of
7267 performing both a bitwise AND and a bitwise IOR in memory.
7269 2006-04-27 Richard Guenther <rguenther@suse.de>
7271 PR rtl-optimization/26685
7272 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7273 this one "max-flow-memory-locations".
7275 2006-04-27 Richard Guenther <rguenther@suse.de>
7277 PR tree-optimization/25148
7278 * tree-vrp.c (compare_values): Remove code dealing with
7279 comparisons against type min/max value. Honour overflow
7280 and negative constants in code dealing with comparisons
7281 of plus and minus expressions.
7282 (value_inside_range): Use fold_binary with LE_EXPR and
7283 GE_EXPR rather than compare_values.
7285 2006-04-27 Dirk Mueller <dmueller@suse.de>
7287 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7290 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7292 * basic-block.h (safe_insert_insn_on_edge): Removed.
7293 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7295 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7296 Paolo Bonzini <bonzini@gnu.org>
7299 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7300 (simplify_and_const_int): Same.
7302 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7304 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7306 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7309 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7310 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7311 cgraph_global_info_ready.
7314 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7317 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7318 either decl or init is error_mark_node.
7321 * tree-flow.h (struct omp_region): Add sched_kind.
7322 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7323 instead of extracting omp for data.
7324 (expand_omp_for): Save extracted sched_kind.
7326 2006-04-25 Roger Sayle <roger@eyesopen.com>
7328 * expmed.c (store_bit_field): Also check whether the bitsize is
7329 valid for the machine's "insv" instruction before moving the
7330 target into a pseudo for use with the insv.
7331 * config/i386/predicates.md (const8_operand): New predicate.
7332 * config/i386/i386.md (extv, extzv, insv): Use the new
7333 const8_operand predicate where appropriate.
7335 2006-04-25 DJ Delorie <dj@redhat.com>
7337 * doc/install.texi (Specific): Clarify that this is not a list of
7338 supported hosts or targets.
7340 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7342 PR rtl-optimization/26725
7343 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7344 block's BB_DIRTY flag.
7346 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7348 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7351 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7352 to print an integer.
7354 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7356 * varasm.c (align_variable): New function.
7357 (get_block_for_decl): Apply align_variable to DECL before
7358 calculating section information.
7359 (assemble_variable): Split out alignment computation.
7361 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7363 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7366 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7368 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7369 MODE_PARTIAL_INT mode.
7370 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7371 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7373 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7374 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7376 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7378 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7380 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7381 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7382 MACFLAG_IH): Likewise.
7383 (movstricthi_1): Renamed from "*movstricthi".
7384 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7385 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7386 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7387 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7388 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7389 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7390 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7391 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7392 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7393 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7394 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7395 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7396 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7397 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7398 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7400 * doc/rtl.texi (ss_ashift): Improve wording.
7402 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7404 * dwarf2out.c (verify_marks_clear): New.
7405 (prune_unused_types): Call verify_marks_clear initially, not
7408 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7410 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7411 * doc/rtl.texi: Document them.
7412 * simplify-rtx.c (simplify_unary_operation,
7413 simplify_binary_operation_1): Don't abort when we see them.
7415 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7418 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7419 * configure.ac: Completely disregard languages that are not
7421 * configure: Regenerated.
7423 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7424 Richard Guenther <rguenther@suse.de>
7426 PR tree-optimization/27236
7427 * tree-inline.c (copy_body_r): Make sure to copy
7428 TREE_THIS_VOLATILE flag.
7430 2006-04-24 Richard Guenther <rguenther@suse.de>
7433 * tree-complex.c (update_parameter_components): Don't handle
7434 unused parameters which have no default def.
7436 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7437 Richard Guenther <rguenther@suse.de>
7439 PR tree-optimization/27218
7440 * tree-inline.c (expand_call_inline): Strip useless type
7441 conversions for the return slot address.
7443 2006-04-24 Richard Guenther <rguenther@suse.de>
7445 * cfgloop.h (struct loops): Remove unused field array. Reorder
7447 (LOOP_PREFETCH): Remove.
7449 2006-04-24 Richard Guenther <rguenther@suse.de>
7451 PR tree-optimization/22525
7452 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7453 variable, adjust types of generated expressions.
7455 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7457 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7458 (tree-vect-patterns.o): Likewise.
7460 (cselib.o): Likewise.
7461 (loop-doloop.o): Likewise.
7462 (regclass.o): Likewise.
7463 (reload1.o): Likewise.
7464 (explow.o): Replace target.h with $(TARGET_H).
7465 (ipa-prop.o): Likewise.
7466 (ipa-cp.o): Likewise.
7467 (ipa-inline.o): Likewise.
7468 (reorg.o): Likewise.
7469 (reg-stack.o): Likewise.
7471 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7473 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7475 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7477 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7479 * configure.ac: Completely disregard languages that are not
7481 * configure: Regenerated.
7484 * c-common.h (c_build_bitfield_integer_type): Declare.
7485 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7486 * c-common.c (c_build_bitfield_integer_type): ... here.
7488 2006-04-23 Roger Sayle <roger@eyesopen.com>
7491 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7492 a SImode SUBREG of a floating point register after no_new_pseudos.
7494 2006-04-23 Roger Sayle <roger@eyesopen.com>
7496 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7497 identify potentially eliminable registers to additionally catch
7498 VIRTUAL_INCOMING_ARGS_REGNUM.
7499 (addsi3): Update the conditions on when to use addsi_small_int.
7501 2006-04-23 Roger Sayle <roger@eyesopen.com>
7504 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7505 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7506 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7508 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7510 * fold-const.c (range_predecessor): Use operand_equal_p
7511 as the predicate for equality.
7512 (range_successor): Likewise.
7514 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7517 * config/soft-fp/op-common.h: Fix a typo.
7519 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7522 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7523 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7525 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7527 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7529 * doc/tm.texi: Fix a typo.
7531 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7533 * dwarf2out.c (struct die_struct): Document that die_sib makes
7534 a circular linked list.
7535 (FOR_EACH_CHILD): New.
7536 (reverse_die_lists): Delete.
7537 (reverse_all_dies): Delete.
7538 (add_dwarf_attr): Correct documentation.
7539 (remove_child_with_prev): New.
7540 (remove_child_TAG): Update for change to die_struct, use
7541 remove_child_with_prev.
7542 (add_child_die): Update for change to die_struct.
7543 (splice_child_die): Use remove_child_with_prev and add_child_die.
7544 (print_die): Use FOR_EACH_CHILD.
7545 (die_checksum): Likewise.
7546 (assign_symbol_names): Likewise.
7547 (output_location_lists): Likewise.
7548 (build_abbrev_table): Likewise.
7549 (calc_die_sizes): Likewise.
7550 (mark_dies): Likewise.
7551 (unmark_dies): Likewise.
7552 (unmark_all_dies): Likewise.
7553 (output_die): Likewise.
7554 (prune_unused_types_mark): Likewise.
7555 (prune_unused_types_walk): Likewise.
7556 (same_die_p): Update for change to die_struct.
7557 (break_out_includes): Likewise.
7558 (prune_unused_types_prune): Likewise.
7559 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7560 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7562 (dwarf2out_finish): Don't call reverse_all_dies.
7564 2006-04-21 Eric Christopher <echristo@apple.com>
7566 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7567 in comments and function names.
7569 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7572 * c-typeck.c (digest_init): Robustify.
7574 * c-typeck.c (pop_init_level): Simplify.
7576 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7578 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7580 2006-04-21 Paul Brook <paul@codesourcery.com>
7582 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7583 hardware floating point.
7585 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7587 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7590 2006-04-21 Nick Clifton <nickc@redhat.com>
7592 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7595 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7598 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7599 C++ lang type in traceback table for Objective-C++.
7601 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7603 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7605 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7607 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7610 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7611 were errors. Remove check for erroneous objects.
7613 2006-04-20 Jeff Law <law@redhat.com>
7615 PR tree-optimization/26854
7616 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7617 checking for zero or one use.
7618 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7619 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7620 * tree-ssa-reassoc.c (negate_value): Similarly.
7621 (reassociate_bb): Similarly.
7623 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7625 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7626 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7627 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7629 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7631 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7632 fp regs if the last fp arg doesn't fit in regs.
7634 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7637 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7638 that the last insn has the REG_INC note.
7640 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7641 Nathan Sidwell <nathan@codesourcery.com>
7644 * stor-layout.c (update_alignment_for_field): Do not align
7646 (place_union_field): Place union field at the start of the union.
7647 (place_field): Move ERROR_MARK check later, and use the current
7648 allocation position to maintain monotonicity.
7650 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7652 * dominance.c: Include timevar.h.
7653 (calculate_dominance_info): Use TV_DOMINANCE.
7654 * timevar.def (TV_DOMINANCE): New timevar.
7655 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7657 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7659 PR rtl-optimization/14261
7660 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7661 move would be an INSV insn.
7662 (noce_process_if_block): Don't optimize if the destination is a
7663 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7665 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7667 * config/s390/s390.md: Add comments with the instructions emitted
7668 by an insn pattern if macros are used.
7670 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7672 PR rtl-optimization/26026
7673 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7674 is a known power of two shifted left a variable amount.
7676 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7678 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7679 to hash table twice when the debug_str section has SECTION_MERGE.
7681 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7683 * config/soft-fp: New directory. From glibc.
7684 * config/soft-fp/t-softfp: New.
7685 * config/soft-fp/README: New.
7686 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7687 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7688 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7689 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7690 * config.gcc: Use rs6000/t-fprules-fpbit or
7691 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7693 * config/rs6000/sfp-machine.h: New. Based on glibc.
7694 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7696 * config/rs6000/t-fprules: Remove fp-bit rules.
7697 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7698 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7699 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7700 (softfp_wrap_start, softfp_wrap_end): New.
7702 2006-04-18 DJ Delorie <dj@redhat.com>
7704 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7706 2006-04-18 Devang Patel <dpatel@apple.com>
7708 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7710 2006-04-18 Nick Clifton <nickc@redhat.com>
7712 * config/sh/t-symbian: Add rule to build sh-c.o
7713 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7714 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7715 (sh_symbian_encode_section_info): Likewise.
7717 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7719 * builtins.c (expand_builtin_strcmp): Cover label definition of
7720 do_libcall with HAVE_cmpstrnsi.
7722 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7724 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7726 * function.h (temp_slot_p): New.
7727 (function): Change the type of x_used_temp_slots to
7728 VEC(temp_slot_p,gc) *.
7730 2006-04-18 Nick Clifton <nickc@redhat.com>
7732 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7733 flag_strength_reduce.
7735 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7737 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7741 Partial revert of revision 112637
7742 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7743 Dale Johannesen <dalej@apple.com>
7746 * regclass.c (struct reg_pref): Update documentation.
7747 (regclass): Set prefclass to NO_REGS if memory is the best option.
7748 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7750 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7752 PR tree-optimization/26821
7753 * tree-ssa-math-opts.c (get_constant_one): New.
7754 (insert_reciprocals): Use it.
7756 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7758 * dwarf2out.c (free_AT): Delete.
7759 (remove_AT): Update string ref counts.
7760 (remove_child_TAG): Don't call free_die.
7762 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7763 or DW_TAG_GNU_EINCL.
7764 (prune_unused_types_walk_attribs): Reset string refcounts.
7765 (prune_unused_types_update_strings): New.
7766 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7767 call free_die. Do call prune_unused_types_update_strings.
7768 (prune_unused_types): Empty debug_str_hash.
7770 2006-04-17 Roger Sayle <roger@eyesopen.com>
7772 * expr.c (expand_assignment): Optimize away no-op moves where the
7773 source and destination are equal and have no side-effects.
7775 2006-04-17 Richard Guenther <rguenther@suse.de>
7778 * reload.c (push_reload): Guard calls to get_secondary_mem
7781 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7783 * alias.c (reg_base_value, old_reg_base_value): Change the
7784 type to VEC(rtx,gc) *.
7785 (REG_BASE_VALUE, find_base_value, record_set,
7786 init_alias_analysis): Use VEC instead of VARRAY.
7788 * alias.c (alias_sets): Change the type to
7789 VEC(alias_set_entry,gc) *.
7790 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7791 VEC instead of VARRAY.
7792 (last_alias_set): Remove.
7794 * cgraph.h (cgraph_edge_p): New.
7795 Update the prototype of cgraph_function_versioning.
7796 * cgraphunit.c (cgraph_copy_node_for_versioning,
7797 cgraph_function_versioning): Use VEC instead of VARRAY.
7798 * ipa-cp.c (ipcp_insert_stage): Likewise.
7800 2006-04-16 Roger Sayle <roger@eyesopen.com>
7803 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7804 "A op B" or "A op C", we may need to convert A to the type of B and C.
7806 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7808 * target.h (struct gcc_target): Add mode_rep_extended.
7809 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7810 (init_num_sign_bit_copies_in_rep): Initialize it using
7812 (truncate_to_mode): Use it.
7813 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7814 * targhooks.h (default_mode_rep_extended): Declare it.
7815 * targhooks.c (default_mode_rep_extended): Define it.
7816 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7817 default_mode_rep_extended.
7818 (TARGET_INITIALIZER): Include it.
7819 * doc/tm.texi (Misc): Document it.
7820 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7821 (mips_truncated_to_mode): New function.
7823 2006-04-16 Roger Sayle <roger@eyesopen.com>
7826 * expr.c (compress_float_constant): Copy the narrow constant into
7827 a new pseudo before extending it to its final width.
7829 2006-04-16 Roger Sayle <roger@eyesopen.com>
7830 Andrew Pinski <pinskia@gcc.gnu.org>
7831 Dale Johannesen <dalej@apple.com>
7834 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7835 special case code to implement V8HImode and V16QImode with SSE2.
7837 2006-04-15 Roger Sayle <roger@eyesopen.com>
7839 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7840 trees are constructed with a suitable tree type.
7842 2006-04-15 Roger Sayle <roger@eyesopen.com>
7844 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7845 (integer_onep): Likewise.
7846 (integer_all_onesp): Likewise.
7847 (integer_pow2p): Likewise.
7848 (integer_nonzerop): Likewise.
7849 (real_zerop): Likewise.
7850 (real_onep): Likewise.
7851 (real_twop): Likewise.
7852 (real_minus_onep): Likewise.
7853 (int_size_in_bytes): Likewise.
7854 (host_integerp): Likewise.
7856 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7858 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7859 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7860 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7862 * tree-ssa-structalias.h (alias_info): Remove num_references.
7864 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7866 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7867 (output_bvb patterns): Likewise.
7868 * pa.c (output_bb): Use 'bb' insn for long branch case.
7869 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7870 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7871 1. Correct length operand for alternatives 1 and 2.
7872 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7873 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7875 2006-04-14 Roger Sayle <roger@eyesopen.com>
7877 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7878 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7879 were accidentally reverted by r112959.
7881 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7884 * except.h (eh_region_outermost): New prototype.
7885 * except.c (eh_region_outermost): New function.
7886 * tree-cfg.c (find_outermost_region_in_block): Use it.
7888 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7890 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7892 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7893 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7894 (init_reload, reload): Use VEC instead of VARRAY.
7895 * reload.h: Update the prototype for
7896 reg_equiv_memory_loc_varray.
7898 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7899 Eric Botcazou <ebotcazou@libertysurf.fr>
7901 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7904 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7907 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7908 to expand fallback builtin function call.
7910 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7913 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7914 and emit libcall here in case the builtin fails.
7915 (expand_builtin_strcmp): Always emit the libcall here on failure.
7917 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7919 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7920 * flow.c (reg_n_info): Change the type to
7921 VEC(reg_info_p,heap) *.
7922 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7924 * regs.h (reg_info_p): New.
7925 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7926 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7927 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7930 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7932 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7934 * params.h (MAX_SCHED_READY_INSNS): New macro.
7935 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7936 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7937 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7938 the ready list for 1 cycle during the first scheduling pass.
7939 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7941 2006-04-13 Richard Henderson <rth@redhat.com>
7944 * gimple-low.c (lower_omp_directive): Remove dead code.
7945 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7946 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7947 * omp-low.c (struct omp_region): Move to tree-flow.h.
7948 (root_omp_region): Export.
7949 (omp_regions, lookup_omp_region): Remove.
7950 (determine_parallel_type): Update for struct omp_region changes.
7951 (dump_omp_region): Dump regions with block numbers.
7952 (new_omp_region): Take type and block instead of stmt; malloc
7954 (free_omp_region_1, free_omp_regions): New.
7955 (expand_parallel_call): Take entry_stmt as argument; update for
7956 changes to omp_region.
7957 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7958 (remove_exit_barriers): New.
7959 (expand_omp_parallel): Update for struct omp_region changes.
7960 (expand_omp_synch): Likewise.
7961 (expand_omp): Likewise.
7962 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7963 (expand_omp_for_static_chunk): Likewise.
7964 (expand_omp_for): Likewise.
7965 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7966 (expand_omp_sections): Similarly, with GOMP_sections_end.
7967 (expand_omp_single): New.
7968 (build_omp_regions_1): Update for OMP_CONTINUE.
7969 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7970 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7971 OMP_SECTIONS_SECTIONS.
7972 (lower_omp_single_simple): Don't emit barrier here.
7973 (lower_omp_single_copy): Likewise.
7974 (lower_omp_single): Fix bindings, and lower to straightline now.
7975 (lower_omp_master, lower_omp_ordered): Likewise.
7976 (lower_omp_critical): Likewise.
7977 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7978 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7979 omp edges, free it afterward.
7980 (make_omp_sections_edges): Remove.
7981 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7982 (move_stmt_r): Handle OMP_CONTINUE.
7983 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7984 statement pointers to basic blocks. Add type member.
7985 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7986 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7987 * tree-inline.c (estimate_num_insns_1): Likewise.
7988 * tree-pretty-print.c (dump_generic_node): Likewise.
7989 * tree-ssa-operands.c (get_expr_operands): Likewise.
7990 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7991 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7992 (OMP_CONTINUE): New.
7993 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7994 (OMP_SECTIONS_SECTIONS): Remove.
7995 (OMP_SECTION_LAST): New.
7996 (OMP_RETURN_NOWAIT): New.
7998 2006-04-13 Roger Sayle <roger@eyesopen.com>
8000 * fold-const.c (native_encode_vector, native_interpret_real):
8001 Correct obvious mistakes in the previous check-in.
8003 2006-04-13 Roger Sayle <roger@eyesopen.com>
8005 * fold-const.c (native_encode_expr): New function to encode
8006 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8007 or VECTOR_CST into a specified buffer.
8008 (native_encode_int): New function.
8009 (native_encode_real): New function.
8010 (native_encode_complex): New function.
8011 (native_encode_vector): New function.
8012 (native_interpret_expr): Inverse of native_encode_expr to convert
8013 a target representation into an INTEGER_CST, REAL_CST etc...
8014 (native_interpret_int): New function.
8015 (native_interpret_real): New function.
8016 (native_interpret_complex): New function.
8017 (native_interpret_vector): New function.
8018 (fold_view_convert_expr): New function to constant fold/evaluate
8019 a VIEW_CONVERT_EXPR of a suitable constant expression.
8020 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8021 Change call of build1 to fold_build1 when constructing a
8024 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8025 Ulrich Weigand <uweigand@de.ibm.com>
8028 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8031 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8034 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8035 optimize to lo_sum for DFmode if !TARGET_FPRS.
8037 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8039 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8040 delete_alias_info, compute_flow_sensitive_aliasing,
8041 group_aliases): Use VEC instead of VARRAY.
8042 * tree-ssa-structalias.c (update_alias_info): Likewise.
8043 * tree-ssa-structalias.h (alias_info): Change the type of
8044 processed_ptrs to VEC(tree,heap) *.
8046 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8049 * config/sh/lib1funcs.h: New file, broken out of:
8050 * config/sh/lib1funcs.asm.
8051 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8053 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8054 * config/sh/lib1funcs-Os-4-200.asm: New file.
8055 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8056 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8057 (EXTRA_MULTILIB_PARTS): Include it.
8058 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8059 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8060 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8061 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8064 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8066 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8067 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8068 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8070 * tree-ssa-live.h: Include vecprim.h.
8071 (tree_partition_associator_d): Change the type of
8072 first_partition to VEC(int,heap) *.
8073 (tpa_first_partition): Use VEC instead of VARRAY.
8075 * Makefile.in (GTFILES): Move functions.h after tree.h.
8076 * function.c (reset_block_changes, record_block_change,
8077 check_block_change, free_block_changes): Use VEC instead of
8079 * function.h (function): Change the type of
8080 ib_boundaries_block to VEC(tree,gc) *.
8081 * tree-inline.c (copy_cfg_body): Initialize
8082 ib_boundaries_block to NULL instead of (varray_type) 0.
8084 2006-04-12 Roger Sayle <roger@eyesopen.com>
8086 * expr.c (emit_group_store): Correct operand order in call to
8087 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8088 a SUBREG_BYTE of zero.
8090 2006-04-12 Richard Guenther <rguenther@suse.de>
8092 * profile.c (compute_branch_probabilities): Remove code
8093 encapsulated in !ir_type (), which are remanents of the
8094 removed RTL profiling code.
8095 * rtl-profile.c: Remove.
8097 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8099 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8100 magic NULL_RTX comment.
8101 (function_arg): Store entire fp arg to mem if any part should go
8103 (rs6000_arg_partial_bytes): Adjust for above change.
8105 2006-04-11 Roger Sayle <roger@eyesopen.com>
8107 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8108 if it hasn't been initialized by dwarf2out_init.
8110 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8112 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8113 symbolic constants in branch patterns.
8115 2006-04-11 Roger Sayle <roger@eyesopen.com>
8117 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8119 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8121 PR rtl-optimization/27073
8122 * gcse.c (try_replace_reg): Revert last change. Continue to search
8123 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8126 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8128 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8129 aggregate types other than record and union types.
8130 (function_arg): Likewise.
8131 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8133 (function_value): In 64-bit mode, return objects that require it
8136 2006-04-11 Roger Sayle <roger@eyesopen.com>
8138 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8140 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8142 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8144 2006-04-03 Jeff Law <law@redhat.com>
8147 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8148 alias information too.
8150 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8152 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8154 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8157 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8158 (premark_used_types_helper): New.
8159 (premark_used_types): New.
8160 (gen_subprogram_die): Call premark_used_types.
8161 (prune_unused_types_walk): Do not prune perennial dies.
8162 * function.c (used_types_insert): New.
8163 * function.h (struct function): Add used_types_hash field.
8164 (used_types_insert): Add prototype.
8165 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8166 * c-parser.c (c_parser_cast_expression): Save casted types in used
8169 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8172 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8173 rs6000_explicit_options.float_gprs.
8175 2006-04-10 Roger Sayle <roger@eyesopen.com>
8177 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8178 from ix86_expand_vector_init_low_nonzero. Take an additional
8179 one_var argument indicating which element is non-zero. Support
8180 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8181 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8182 with one_var instead of ix86_expand_vector_init_low_nonzero.
8184 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8186 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8187 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8188 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8189 build/genextract.o): Depend on vecprim.h.
8190 * cfglayout.c, df-problems.c, function.c, genextract.c,
8191 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8192 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8196 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8198 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8199 Declare VECs of this type.
8200 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8201 (remove_children): Delete.
8202 (add_dwarf_attr): Use VEC routines.
8203 (add_AT_flag): Update for changes to add_dwarf_attr.
8204 (add_AT_int): Likewise.
8205 (add_AT_unsigned): Likewise.
8206 (add_AT_long_long): Likewise.
8207 (add_AT_vec): Likewise.
8208 (add_AT_string): Likewise.
8209 (add_AT_die_ref): Likewise.
8210 (add_AT_fde_ref): Likewise.
8211 (add_AT_loc): Likewise.
8212 (add_AT_loc_list): Likewise.
8213 (add_AT_addr): Likewise.
8214 (add_AT_lbl_id): Likewise.
8215 (add_AT_lineptr): Likewise.
8216 (add_AT_macptr): Likewise.
8217 (add_AT_offset): Likewise.
8218 (add_AT_range_list): Likewise.
8219 (get_AT): Use VEC_iterate.
8220 (remove_AT): Use VEC_ordered_remove.
8221 (free_die): Fold remove_children into here; have it use VEC_iterate.
8222 (print_die): Use VEC_iterate on attrs.
8223 (reverse_die_lists): Don't reverse attr lists.
8224 (die_checksum): Use VEC_iterate on attrs.
8225 (same_die_p): Likewise.
8226 (output_location_lists): Likewise.
8227 (build_abbrev_table): Likewise.
8228 (size_of_die): Likewise.
8229 (unmark_all_dies): Likewise.
8230 (output_abbrev_section): Likewise.
8231 (output_die): Likewise.
8232 (prune_unused_types_walk_attribs): Likewise.
8234 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8236 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8238 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8241 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8243 2006-04-09 Roger Sayle <roger@eyesopen.com>
8245 * expr.c (store_constructor): Don't bother clearing target if
8246 we're about to assign a vector to it using vec_init_optab.
8248 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8250 * tree-ssa-alias.c (lhs_may_store_to): New function.
8251 (recalculate_used_alone): Handle LHS of calls.
8253 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8257 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8258 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8259 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8260 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8261 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8262 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8263 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8264 stubs. Add ".align 8" directives before all ".dword" directives.
8265 (GTHREAD_USE_WEAK): Revise comment.
8266 (TARGET_ATTRIBUTE_WEAK): Define.
8267 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8268 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8269 * stublib.c: New file.
8274 * pa.md (cbranch patterns): Revise arguments used in calls to
8275 output_cbranch, output_bb and output_bvd. Add long branch length
8277 (fbranch patterns): Handle long branches.
8278 (jump): Revise length check. Revise arguments for output_lbranch call.
8279 Add long branch length attributes.
8280 (decrement_and_branch_until_zero): Add long branch length attributes.
8281 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8282 Likewise. Revise arguments for output_parallel_addb and
8283 output_parallel_movb calls.
8284 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8285 output_parallel_movb and output_parallel_addb): Update prototypes.
8286 * pa.c (output_cbranch): Revise arguments. Correct handling of
8287 nullification in long branches.
8288 (output_lbranch): Add new argument to control extraction of delay
8290 (output_bb): Handle long branches.
8291 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8292 output_parallel_addb): Likewise.
8294 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8296 PR rtl-optimization/27073
8297 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8300 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8302 * tree.h (tree_memory_tag): Add old_used_alone.
8303 (SMT_OLD_USED_ALONE): New macro.
8304 * tree-ssa-alias.c (recalculate_used_alone): Stop
8305 marking things for renaming unnecessarily.
8307 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8309 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8310 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8311 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8312 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8313 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8314 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8315 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8316 spelling convensions.
8317 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8318 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8319 typos. Follow spelling conventions.
8321 2006-04-07 DJ Delorie <dj@redhat.com>
8323 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8324 passed on the stack.
8325 (m32c_init_cumulative_args): When a function returns a structure,
8326 always pass the pointer to that return area on the stack.
8327 (m32c_function_arg_advance): Don't increment the parameter number
8328 if we're processing the returned structure pointer.
8329 (pushm_info): Reverse order of registers.
8331 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8333 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8334 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8335 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8336 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8338 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8339 chrec_fold_multiply): Same.
8340 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8341 force_expr_to_var_cost): Same.
8342 * tree-mudflap.c (mf_xform_derefs_1): Same.
8343 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8345 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8347 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8348 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8351 2006-04-07 Jan Hubicka <jh@suse.cz>
8353 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8355 2006-04-07 Richard Guenther <rguenther@suse.de>
8357 PR tree-optimization/26135
8358 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8359 loads for store copy-prop.
8360 (copy_prop_visit_stmt): Likewise.
8362 2006-04-05 Robert Millan <robertmh@gnu.org>
8364 * config/i386/linux.h: Add a comment to mark macros that are
8365 being overriden in config/k*bsd-gnu.h.
8366 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8368 * config/knetbsd-gnu.h: Ditto.
8370 2006-04-06 Jan Hubicka <jh@suse.cz>
8374 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8377 2006-04-06 Mike Stump <mrs@apple.com>
8379 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8380 for HAVE_nonlocal_goto to be consistent.
8381 (expand_builtin_nonlocal_goto): Likewise.
8382 (expand_builtin_strcmp): Use #ifdef instead of #if
8383 for HAVE_cmpstrnsi to be consistent.
8385 2006-04-05 DJ Delorie <dj@redhat.com>
8387 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8390 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8392 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8393 got-relative addressing for anything but SImode.
8395 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8396 even if the calling function doesn't modify them.
8398 2006-04-05 Richard Guenther <rguenther@suse.de>
8400 PR tree-optimization/26919
8401 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8402 to cgraph_estimate_size_after_inlining.
8404 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8406 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8408 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8410 PR tree-optimization/26996
8411 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8412 VECTOR_TYPE variables.
8414 2006-04-05 Richard Guenther <rguenther@suse.de>
8416 PR tree-optimization/26763
8417 * fold-const.c (fold_comparison): Move folding of
8418 PTR + CST CMP PTR + CST ...
8419 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8421 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8423 * doc/install.texi (Prerequisites): Refine some wording on
8424 bootstrapping and ksh.
8425 Move the version numbers of DejaGnu here from the testing section
8426 and fix casing of names.
8427 Fix markup and clarify wording for autogen requirements.
8428 Refer to GCJ instead of just java.
8429 Refer to SVN instead of CVS.
8430 Describe diffutils as useful instead of necessary.
8431 (Downloading the source): Refer to SVN instead of CVS.
8432 Adjust a link to our web site accordingly.
8433 (Configuration): Fix casing of Bison.
8434 (Building): Refer to SVN instead of CVS.
8435 Fix a sentence on the use of Bison and remove duplicate (and
8436 incorrect) version number of Bison requirement.
8437 Remove one redundant list of packages needed for building.
8438 (Specific): Avoid reference to CVS.
8440 2006-04-04 Eric Christopher <echristo@apple.com>
8442 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8443 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8444 (rs6000_handle_struct_attribute): New.
8445 (rs6000_ms_bitfield_layout_p): Ditto.
8447 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8449 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8450 NULL for dso parameter to atexit_common.
8452 2006-04-04 Eric Christopher <echristo@apple.com>
8454 * config/i386/i386.c (machopic_output_stub): Output \t
8455 between instructions and operands.
8457 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8459 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8460 satisfies_constraint_[IL] to explicit tests on value.
8462 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8464 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8465 set_nb_iterations_in_loop): Use build_int_cst instead of
8467 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8468 build_int_cst instead of convert.
8470 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8472 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8473 new value 2 for incoming.
8474 * function.c (expand_function_start): Call struct_value_rtx
8476 * config/sparc/sparc.md: Comment updated_return.
8477 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8478 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8479 struct return if sparc_std_struct_return and incoming is 2.
8480 (print_operand): Do not adjust return if
8481 sparc_std_struct_return.
8483 2006-04-04 Roger Sayle <roger@eyesopen.com>
8485 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8486 convert in the middle-end.
8487 * expr.c (store_expr, store_constructor, get_inner_reference,
8488 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8490 * tree.c (build_range_type): Likewise.
8492 2006-04-04 Tom Tromey <tromey@redhat.com>
8494 * doc/install.texi (Prerequisites): Mention jar.
8496 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8498 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8501 2006-04-04 Matthias Klose <doko@debian.org>
8503 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8507 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8510 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8512 * doc/extend.texi (Function Attributes): Rewrite visibility
8513 attribute documentation.
8514 * doc/invoke.texi (C++ Dialect Options): Rewrite
8515 -fvisibility-inlines-hidden documentation to describe something
8516 entirely different, although in practise compatible.
8517 (Code Gen Options): Warn about system headers in -fvisibility=
8520 * doc/extend.texi (Other Builtins): Document that
8521 __builtin_nan is a compile-time constant only when its argument
8524 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8526 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8527 trying to remove TRUNCATE check if all bits outside the new mode
8528 are identical to the sign bit.
8530 2006-04-03 Jeff Law <law@redhat.com>
8532 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8533 and operand scanning in some common cases.
8535 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8536 Dale Johannesen <dalej@apple.com>
8539 * regclass.c (struct reg_pref): Update documentation.
8540 (regclass): Set prefclass to NO_REGS if memory is the best option.
8541 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8542 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8543 into account. For non-registers, equate an empty preferred
8544 reload class to a `!' in the constraint; move the if clause to
8545 do so after those that reject the insn.
8546 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8548 (find_dummy_reload): Likewise.
8549 * doc/tm.texi (Register Classes): Document what it means
8550 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8551 * config/i386/i386.c (ix86_preferred_reload_class): Force
8552 using SSE registers (and return NO_REGS for floating-point
8553 constants) if math is done with SSE.
8554 (ix86_preferred_output_reload_class): New.
8555 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8556 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8557 * config/i386/i386.md: Remove # register preferences.
8559 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8562 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8563 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8564 the type of nb_iter.
8565 (instantiate_parameters_1): Convert the operands before calling
8566 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8567 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8569 2006-04-02 Roger Sayle <roger@eyesopen.com>
8571 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8572 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8574 * dojump.c (do_jump): Likewise.
8575 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8576 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8577 gimplify_boolean_expr): Likewise.
8578 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8579 * varasm.c (array_size_for_constructor): Likewise.
8580 * tree-object-size.c (compute_object_offset): Likewise.
8582 2006-04-02 Roger Sayle <roger@eyesopen.com>
8585 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8586 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8588 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8590 PR tree-optimization/26939
8591 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8593 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8595 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8596 at_stmt. Convert the type of operands before calling
8597 build_polynomial_chrec.
8598 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8600 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8601 (instantiate_parameters_1): Convert the type of operands before calling
8602 build_polynomial_chrec.
8603 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8604 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8605 reset_evolution_in_loop): Insert asserts to check the types of the
8607 (chrec_type): Moved...
8608 (eq_evolutions_p): Use operand_equal_p.
8609 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8610 the types of the operands.
8611 (chrec_type): ...here.
8612 * tree-data-ref.c (create_data_ref): Convert the operands before
8613 calling chrec_replace_initial_condition.
8614 (same_access_functions, analyze_subscript_affine_affine,
8615 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8616 (compute_subscript_distance, analyze_ziv_subscript,
8617 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8618 analyze_miv_subscript): Convert the operands before calling
8619 chrec_fold_minus or chrec_fold_plus.
8621 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8623 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8624 the dependence_relations vector.
8625 (compute_data_dependences_for_loop): Adjust call to
8626 compute_all_dependences.
8628 2006-04-01 Roger Sayle <roger@eyesopen.com>
8629 Richard Henderson <rth@redhat.com>
8631 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8632 gimple_boolify on the condition before calling gimplify_expr.
8634 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8636 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8637 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8638 the frame size. Update to use the new macros.
8639 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8640 * config/xtensa/ieee754-df.S: Likewise.
8642 2006-03-31 Richard Henderson <rth@redhat.com>
8644 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8645 (make_edges): ... here. Control fallthru creation with a local
8646 variable. Do not play with fake edges.
8647 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8648 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8651 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8653 * dwarf2.h (DW64_CIE_ID): Define.
8654 * dwarf2out.c (DWARF_CIE_ID): Define.
8655 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8656 length header. Use DWARF_CIE_ID.
8657 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8658 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8660 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8662 * config/sh/linux-atomic.asm: New file.
8663 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8665 2006-03-31 DJ Delorie <dj@redhat.com>
8667 * config/m32c/cond.md: Set condition flags properly throughout.
8668 * config/m32c/minmax.md: Likewise.
8669 * config/m32c/prologue.md: Likewise.
8670 * config/m32c/bitops.md: Likewise.
8671 * config/m32c/muldiv.md: Likewise.
8672 * config/m32c/mov.md: Likewise.
8673 * config/m32c/addsub.md: Likewise.
8674 * config/m32c/m32c.md: Likewise.
8675 * config/m32c/jump.md: Likewise.
8676 * config/m32c/shift.md: Likewise.
8678 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8679 conditionally output the pattern for this.
8680 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8681 (m32c_compare_redundant): New.
8682 (m32c_output_compare): New.
8683 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8685 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8686 dest, not src. Allow other 4-byte modes.
8688 2006-03-30 Denis Chertykov <denisc@overta.ru>
8690 * doc/md.texi: Refer to avr/constraints.md instead of
8693 2006-03-30 Roger Sayle <roger@eyesopen.com>
8695 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8696 signed vs. unsigned comparison failures on some hosts.
8698 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8701 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8702 change to FLOAT_REGS.
8704 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8705 (rs6000_override_options): Use it.
8706 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8707 only for -mabi=spe/no-spe and -mabi=altivec.
8709 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8711 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8714 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8716 * Makefile.in: Rename docdir to gcc_docdir.
8718 2006-03-30 Roger Sayle <roger@eyesopen.com>
8721 * expr.c (emit_group_store): Optimize group stores into a pseudo
8722 register by using a paradoxical subreg to initialize the destination
8723 if the first or last member of the group specifies a "low part".
8725 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8728 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8729 * target.h (struct gcc_target.speculate_insn): Change type of the
8730 second parameter to 'int'.
8731 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8732 the second operand of the DEPS_LIST.
8733 (copy_DEPS_LIST_list): Update reference to the second operand of the
8735 * rtl.h (alloc_DEPS_LIST): Update signature.
8736 * sched-int.h (ds_t): Change typedef to 'int'.
8737 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8739 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8741 * haifa-sched.c (try_ready): Change condition to restore
8742 non-speculative pattern of the instruction.
8743 (process_insn_depend_be_in_spec): Code to keep probability of the
8744 speculative dependence non-decreasing.
8746 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8748 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8749 (single_move_for_movmem): ... this. Also change all uses.
8750 (bfin_expand_strmov): Renamed to...
8751 (bfin_expand_movmem): ... this. Also change all uses.
8752 * config/bfin/bfin.md (movstrsi): Renamed to...
8753 (movstrsi): ...this.
8755 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8757 PR tree-optimization/26830
8759 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8760 (copy_prop_visit_stmt): Remove write-only variable ann.
8761 (init_copy_prop): Check variable loop depth here. Do not simulate
8762 memory-tag and virtual operand PHIs except for store copy prop.
8764 2006-03-30 Richard Guenther <rguenther@suse.de>
8766 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8767 variants with double arguments.
8769 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8771 * genpreds.c (write_tm_constrs_h): Delete variable p.
8772 * genconditions.c (write_header): Add tm-constrs.h to included
8774 * genpeep.c (main): Add toplev.h to included headers.
8775 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8776 (build/genpeep.o): Add toplev.h dependency.
8777 * config/rs6000/constraints.md: Add "W" constraint.
8779 2006-03-29 Roger Sayle <roger@eyesopen.com>
8781 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8782 sizes by correctly testing whether the size fits a host integer.
8783 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8784 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8785 SImode range for the default sizetype and bitsizetype.
8787 2006-03-29 Roger Sayle <roger@eyesopen.com>
8789 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8790 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8791 quickly if the argument is already of the correct type.
8792 Call fold_build1 instead of build1. Tidy up blank lines.
8794 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8796 * genemit.c (main): Add tm-constrs.h to included headers.
8797 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8798 * genpeep.c (main): Add tm-constrs.h to included headers.
8799 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8800 (write_tm_constrs_h): this and write complete file.
8801 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8802 (write_insn_preds_c): Add tm-constrs.h to included headers.
8803 (gen_constrs): New variable.
8804 (parse_option): Parse "-c".
8805 (main): Invoke write_tm_constrs_h.
8806 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8807 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8808 (object_out_file): Add tm-constrs.h dependency.
8809 (insn-emit.o): Same.
8810 (insn-output.o): Same.
8811 (insn-peep.o): Same.
8812 (insn-preds.o): Same.
8813 (insn-recog.o): Same.
8814 (tm-constsr.h): New target.
8815 (s-constrs-h): New target.
8817 * config/rs6000/constraints.md: New file.
8818 * config/rs6000/rs6000.c: Include tm-constrs.h.
8819 (num_insn_constant_wide): Convert to satisfies_constraint.
8820 (rs6000_rtx_costs): Convert to satisfies_constraint.
8821 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8822 (CONST_OK_FOR_LETTER_P): Delete.
8823 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8824 (EXTRA_CONSTRAINT): Delete.
8825 (EXTRA_MEMORY_CONSTRAINT): Delete.
8826 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8827 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8828 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8829 satisfies_constraint.
8831 * config/i386/i386.c: Include tm-constrs.h.
8833 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8835 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8836 * tree-data-ref.c (find_data_references_in_loop,
8837 compute_data_dependences_for_loop): Use pointers to VEC.
8838 (analyze_all_data_dependences): Adjust calls.
8839 * tree-data-ref.h (find_data_references_in_loop,
8840 compute_data_dependences_for_loop): Adjust declarations.
8841 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8842 compute_data_dependences_for_loop.
8844 2006-03-29 Paul Brook <paul@codesourcery.com>
8846 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8849 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8851 PR tree-optimization/26859
8852 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8854 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8855 for the step after fold_convert.
8857 2006-03-29 Paul Brook <paul@codesourcery.com>
8859 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8860 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8862 2006-03-29 Paul Brook <paul@codesourcery.com>
8865 * targhooks.c (default_narrow_bitfield): New fuction.
8866 * targhooks.h (default_narrow_bitfield): add prototype.
8867 * target.h (gcc_target): Add narrow_volatile_bitfield.
8868 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8869 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8870 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8871 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8873 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8875 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8877 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8878 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8879 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8880 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8881 (s390_function_arg_float): Allow SDmode and DDmode values to be
8882 passed in floating point registers.
8883 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8884 check with SCALAR_FLOAT_MODE_P.
8885 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8887 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8889 PR tree-optimization/25985
8890 * tree-ssa-loop-niter.c (number_of_iterations_le,
8891 number_of_iterations_ne): Make comments more precise.
8892 (number_of_iterations_cond): Add only_exit argument. Use the
8893 fact that signed variables do not overflow only when only_exit
8895 (loop_only_exit_p): New.
8896 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8897 number_of_iterations_cond.
8899 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8901 PR tree-optimization/26643
8902 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8905 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8907 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8908 (divsi3_i4_int): Likewise.
8910 2006-03-28 Roger Sayle <roger@eyesopen.com>
8912 * expr.c (emit_group_store): Only create a new pseudo reg if the
8913 quantity it needs to hold isn't already a suitable pseudo.
8915 2006-03-28 Jeff Law <law@redhat.com>
8917 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8918 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8920 2006-03-28 Roger Sayle <roger@eyesopen.com>
8922 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8923 the equivalent ~X & Y, and the symmetry related transformations.
8924 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8925 ~X & Y, and symmetry related transforms.
8927 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8929 Revert my 2006-03-27 patches.
8931 2006-03-28 Roger Sayle <roger@eyesopen.com>
8933 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8934 ~(T1)X, when T1 and T2 are integer types of the same precision
8935 and (T2)X isn't an extension.
8937 2006-03-28 Jeff Law <law@redhat.com>
8939 PR tree-optimization/26796
8940 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8941 need EH edge cleanups rather than purging them immediately.
8942 (eliminate_degenerate_phis): Handle queued EH cleanups.
8944 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8946 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8949 2006-03-27 Roger Sayle <roger@eyesopen.com>
8952 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8953 cast BIT_NOT_EXPR operand to the correct type.
8955 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8957 * tree-loop-linear.c: Don't include varray.h.
8958 (gather_interchange_stats, try_interchange_loops,
8959 linear_transform_loops): Use VEC instead of VARRAY.
8960 * lambda-mat.c: Don't include varray.h.
8961 * tree-chrec.c: Same.
8962 * lambda-trans.c: Same.
8963 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8964 VEC instead of VARRAY.
8965 * tree-vectorizer.h: Idem.
8966 * tree-data-ref.c (dump_data_references,
8967 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8968 initialize_data_dependence_relation, finalize_ddr_dependent,
8969 compute_all_dependences, find_data_references_in_loop,
8970 compute_data_dependences_for_loop, analyze_all_data_dependences,
8971 free_dependence_relation, free_dependence_relations,
8972 free_data_refs): Idem.
8973 * tree-data-ref.h (data_reference_p, subscript_p): New.
8974 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8975 VEC instead of VARRAY.
8976 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8977 (find_data_references_in_loop, compute_data_dependences_for_loop,
8978 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8979 dump_data_dependence_relations, free_dependence_relations,
8980 free_data_refs): Adjust declaration.
8981 (lambda_transform_legal_p): Move declaration here...
8982 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8983 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8984 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8985 vect_analyze_data_refs): Use VEC instead of VARRAY.
8986 * lambda.h (lambda_transform_legal_p): ...from here.
8987 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8988 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8989 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8990 tree-chrec.o): Don't depend on VARRAY_H.
8992 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8994 * rtl.def (Copyright): Update date.
8995 (DEPS_LIST): Change type of the second operand to 'int'.
8996 * target.h (Copyright): Update date.
8997 (struct gcc_target.speculate_insn): Change type of the second parameter
8999 * lists.c (Copyright): Update date.
9000 (alloc_DEPS_LIST): Change signature. Update reference to the second
9001 operand of the DEPS_LIST.
9002 (copy_DEPS_LIST_list): Update reference to the second operand of the
9004 * rtl.h (Copyright): Update date.
9005 (alloc_DEPS_LIST): Update signature.
9006 * sched-int.h (Copyright): Update date.
9007 (ds_t): Change typedef to 'int'.
9008 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9010 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9012 * haifa-sched.c (Copyright): Update date.
9013 (try_ready): Change condition to restore non-speculative pattern
9015 (process_insn_depend_be_in_spec): Code to keep probability of the
9016 speculative dependence non-decreasing.
9018 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9020 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9021 shut up the compiler.
9023 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9025 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9026 to use lib prefix for target.
9027 ($(T)libic_invalidate_array_4-200.a): Likewise.
9028 ($(T)libic_invalidate_array_4a.a): Likewise.
9030 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9031 J"orn Rennecke <joern.rennecke@st.com>
9033 * superh.opt: New file.
9034 * sh.c (boardtype, osruntime): Remove.
9035 * superh.h (SUBTARGET_OPTIONS): Remove.
9036 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9038 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9039 arguments with ^ and/or [].
9041 * config.gcc (sh-*-*): Add quoting to account for quirk of
9043 Replace == with = in enable_incomplete_targets test.
9045 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9046 with MASK_LITTLE_ENDIAN.
9048 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9049 * config/sh/sh.opt: Added to some comments.
9050 * config/sh/superh.h: Removed some chaff.
9052 * config/sh/sh.opt: Add m4-[1234]00* options.
9053 * config/sh/sh.c (sh_handle_option): Likewise.
9054 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9055 (ic_invalidate_array_4-100.o): New rule.
9056 ($(T)libic_invalidate_array_4-100.a): Likewise.
9057 (ic_invalidate_array_4-200.o): Likewise.
9058 ($(T)libic_invalidate_array_4-200.a): Likewise.
9059 (ic_invalidate_array_4a.o): Likewise.
9060 ($(T)libic_invalidate_array_4a.a): Likewise.
9061 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9062 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9064 * config/sh/crt1.asm: Merged in profiling code.
9065 * config/sh/superh.h (STARTFILE_SPEC): Override.
9066 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9067 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9068 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9070 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9071 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9072 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9074 * sh.opt (mpretend-cmove): New option.
9075 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9076 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9077 (movsicc): Add TARGET_PRETEND_CMOVE code.
9079 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9081 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9082 s390_class_max_nregs): New function prototypes.
9083 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9084 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9085 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9086 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9088 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9090 * dwarf2out.c (add_location_or_const_value_attribute): Call
9091 tree_add_const_value_attribute if nothing else works.
9092 (reference_to_unused): New.
9093 (rtl_for_decl_init): Use reference_to_unused to decide whether
9094 to output an initializer.
9096 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9099 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9100 peephole removing spe frob_di_df_2.
9102 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9104 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9105 (subscript_dependence_tester_1): Declared.
9106 (print_dir_vectors, print_dist_vectors): New.
9107 (debug_data_dependence_relation): New.
9108 (dump_data_dependence_relation): Print more details.
9109 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9110 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9111 (save_dist_v, save_dir_v, add_outer_distances,
9112 build_classic_dist_vector_1): New.
9113 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9114 Don't test for lambda_vector_lexico_pos.
9115 (same_access_functions, add_multivariate_self_dist,
9116 add_other_self_distances, dir_from_dist): New.
9117 (build_classic_dir_vector): Replace implementation almost identical to
9118 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9120 (subscript_dependence_tester_1): New.
9121 (subscript_dependence_tester): Handle the lexicographically negative
9122 distance vectors by recomputing the dependence relation.
9123 (compute_affine_dependence): Remove parameter loop_nest_depth.
9124 (compute_self_dependence): Don't call compute_subscript_distance.
9125 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9126 Add a parameter for the loop_nest.
9127 (find_loop_nest_1, find_loop_nest): New.
9128 (compute_data_dependences_for_loop): Compute the loop nest, and give
9129 up if the nest is not well formed.
9130 * tree-data-ref.h (loop_p): New.
9131 (struct data_dependence_relation): Replace size_vect field with
9132 loop_nest, a vec of loops.
9133 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9134 (DDR_LOOP_NEST): New.
9135 (print_dir_vectors, print_dist_vectors,
9136 debug_data_dependence_relation): Declared.
9137 (index_in_loop_nest): New.
9138 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9139 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9142 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9144 * simplify-rtx.c (simplify_relational_operation): Call
9145 simplify_relational_operation_1 even if mode is VOIDmode.
9147 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9149 PR tree-optimization/26804
9150 * tree.h (DECL_CALL_CLOBBERED): New macro.
9151 (tree_decl_common): Add call_clobbered_flag.
9152 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9153 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9154 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9155 (mark_non_addressable): Ditto.
9156 * tree-ssa.c (verify_call_clobbered): New function.
9157 (verify_alias_info): Use it.
9158 * tree-pass.h (pass_reset_cc_flags): New prototype.
9159 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9160 (reset_cc_flags): New function.
9161 * passes.c (init_optimization_passes): Call reset_cc_flags after
9162 initializing referenced_vars.
9164 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9165 Roger Sayle <roger@eyesopen.com>
9168 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9169 to 1.0 for non-real operands. Implement A / A optimization for
9172 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9174 * config/i386/i386.c (size_cost): Correct the comment for
9175 cost of storing fp registers.
9176 (i386_cost): Likewise.
9177 (i486_cost): Likewise.
9178 (pentium_cost): Likewise.
9179 (pentiumpro_cost): Likewise.
9180 (k6_cost): Likewise.
9181 (athlon_cost): Likewise.
9182 (k8_cost): Likewise.
9183 (pentium4_cost): Likewise.
9184 (nocona_cost): Likewise.
9185 (generic64_cost): Likewise.
9186 (generic32_cost): Likewise.
9188 2006-03-24 Denis Chertykov <denisc@overta.ru>
9190 * config/avr/avr-protos.h (extra_constraint): Delete.
9191 (extra_constraint_Q): New declaration.
9192 * config/avr/constraints.md: New file.
9193 * config/avr/avr.md: Include it.
9194 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9195 (TMP_REGNO, ZERO_REGNO): Likewise.
9196 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9197 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9198 (extra_constraint): Delete.
9199 (extra_constraint_Q): Test for memory constraint 'Q'.
9200 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9201 (REG_CLASS_FROM_LETTER): Delete.
9202 (CONST_OK_FOR_LETTER_P): Delete.
9203 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9204 (EXTRA_CONSTRAINT): Delete.
9205 (TMP_REGNO): Delete.
9206 (ZERO_REGNO): Delete.
9208 2006-03-24 Jeff Law <law@redhat.com>
9210 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9211 directly. Call mark_new_vars_to_rename slightly earlier.
9213 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9215 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9217 (gen_compile_unit_die): Use new language types for Objective-C and
9219 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9220 DW_LANG_C_plus_plus.
9223 * config/t-darwin (crt3.o): Work around bug 26840.
9224 * config/darwin-crt3.c: Rewrite.
9225 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9227 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9229 * doc/invoke.texi: Document -femit-class-debug-always
9230 * common.opt: Add -femit-class-debug-always.
9232 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9234 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9235 index and base register.
9236 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9237 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9238 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9239 REGNO_OK_FOR_INDEX_P.
9240 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9242 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9243 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9244 REG_OK_FOR_BASE_P): Definitions removed.
9246 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9249 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9250 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9251 set yet or weren't marked as local yet.
9253 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9255 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9258 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9260 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9261 (rs6000_legitimate_small_data_p): Delete.
9262 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9263 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9264 and make static. Add forward declaration. Update uses.
9265 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9266 of offsettable_memref_p.
9267 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9268 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9270 2006-03-24 Jeff Law <law@redhat.com>
9272 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9273 around bug in immediate-use iterator.
9275 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9278 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9279 or __LITTLE_ENDIAN__.
9281 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9283 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9284 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9285 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9286 * config/sh/sh.opt (mdiv=): Amend description.
9287 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9288 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9289 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9290 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9291 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9292 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9293 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9294 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9295 TARGET_DIVIDE_CALL_FP.
9297 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9299 * haifa-sched.c (choose_ready): Fix type of the local variable.
9300 Move local variables. Add comment.
9301 (check_reg_live): Change signature. Make callable from debugger.
9302 * sched-int.h (check_reg_live): Update signature.
9303 * sched-ebb.c (check_reg_live): Update parameters.
9304 * sched-rgn.c (check_reg_live): Ditto.
9305 (region_head_or_leaf_p): Check pointer before dereferencing.
9306 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9307 before reload on optimization levels below 1.
9309 2006-03-23 Richard Henderson <rth@redhat.com>
9311 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9315 * config/alpha/predicates.md (local_symbolic_operand): Reject
9318 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9321 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9322 expressions which have overflowed constants.
9324 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9326 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9328 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9330 * cfgloopmanip.c (create_loop_notes): Removed.
9331 * final.c (final_scan_insn): Do not handle loop notes.
9332 * jump.c (squeeze_notes): Ditto.
9333 * cfglayout.c (skip_insns_after_block,
9334 duplicate_insn_chain): Ditto.
9335 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9337 * cfgloop.h (create_loop_notes): Declaration removed.
9339 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9341 * varasm.c (output_constant_pool): Restore fnname and fndecl
9343 (assemble_start_function): Adjust call accordingly.
9344 (assemble_end_function): Likewise.
9346 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9349 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9352 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9354 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9357 * system.h (ICE_EXIT_CODE): New macro.
9358 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9359 (diagnostic_action_after_output): Likewise.
9360 * gcc.c (fatal_ice): New function.
9361 (execute): Use it instead of fatal.
9362 (fancy_abort): Likewise.
9363 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9365 2006-03-22 Jeff Law <law@redhat.com>
9367 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9368 iv_analyze_result returning false.
9370 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9372 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9374 2006-03-22 Richard Henderson <rth@redhat.com>
9377 * except.c (duplicate_eh_regions_0): New.
9378 (duplicate_eh_region_1): Duplicate the children of the node as
9379 well as the node itself. Link them up properly.
9380 (duplicate_eh_region_2): Merge into ...
9381 (duplicate_eh_regions): ... here. Take copy_region argument, and
9382 copy only a sub-tree if asked. Simplify copying and fixup.
9383 (eh_region_outer_p): New.
9384 * except.h (duplicate_eh_regions): Update decl.
9385 (eh_region_outer_p): Declare.
9386 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9387 (lower_omp_master): Likewise.
9388 (lower_omp_ordered): Likewise.
9389 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9390 (move_stmt_r): Use it to remap labels. Handle recursion vs
9391 remap_decls_p properly.
9392 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9393 (find_outermost_region_in_block): New.
9394 (new_label_mapper): New.
9395 (move_sese_region_to_fn): Copy eh information to the new function
9397 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9399 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9402 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9404 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9405 into shared libraries.
9407 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9409 * doc/md.texi: Refer to i386/constraints.md instead of
9411 * config/i386/constraints.md: New file, extracted from...
9412 * config/i386/predicates.md: ...here.
9413 * config/i386/i386.md: Include constraints.md.
9415 2006-03-21 Jason Merrill <jason@redhat.com>
9417 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9420 * expr.c (init_block_move_fn): Force default visibility.
9421 (init_block_clear_fn): Likewise.
9422 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9423 * targhooks.c (default_external_stack_protect_fail): Likewise.
9425 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9427 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9428 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9429 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9430 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9431 (loadgp): Use mips_current_loadgp_style.
9432 (loadgp_noshared): New pattern.
9433 (sibcall_internal): Use MIPS_CALL.
9434 (sibcall_value_internal): Likewise.
9435 (sibcall_value_multiple_internal): Likewise.
9436 (call_internal): Likewise.
9437 (call_value_internal): Likewise.
9438 (call_value_multiple_internal): Likewise.
9439 (call_split): Use MIPS_CALL and add an 'S' constraint.
9440 (call_value_split): Likewise.
9441 (call_value_multiple_split): Likewise.
9442 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9443 (-mshared): New option.
9444 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9445 (mips_current_loadgp_style): Declare.
9446 * config/mips/mips.c (mips_classify_symbol): Avoid using
9447 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9448 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9449 TARGET_ABSOLUTE_ABICALLS.
9450 (override_options): Adjust comments. Improve the warning that is
9451 issued when -mabicalls and -G are used together.
9452 (mips_file_start): Remove comment.
9453 (mips_current_loadgp_style): New function.
9454 (mips_gnu_local_gp): New variable.
9455 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9457 (mips_output_function_prologue): Use mips_current_laodgp_style.
9458 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9459 the cprestore instruction.
9460 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9461 live for TARGET_ABSOLUTE_ABICALLS.
9462 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9463 (ASM_SPEC): Pass down -mshared and -mno-shared.
9464 (MIPS_CALL): New macro.
9465 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9467 * doc/invoke.texi (-mabicalls): Update documentation.
9468 (-mshared): Document.
9470 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9472 * config/ia64/unwind-hpux.c: New file.
9473 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9475 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9478 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9480 2006-03-21 Jeff Law <law@redhat.com>
9482 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9483 type conversions of a VR_VARYING source to a wider type.
9485 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9487 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9488 tm_file on Solaris 10 and later.
9489 (sparc64-*-solaris2*): Likewise.
9490 (sparc-*-solaris2*): Likewise.
9491 * config/sol26.h: Rename to config/sol2-6.h.
9492 * config/sol2-10.h: New file.
9494 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9497 * tree-ssa-pre.c (create_component_ref_by_pieces):
9500 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9503 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9504 return it immediately.
9506 2006-03-21 Michael Matz <matz@suse.de>
9508 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9510 (remove_arc, add_arc): Update num_out_arcs member.
9511 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9513 (cache_presence): New function.
9514 (compare_states_for_equiv): New function.
9515 (state_is_differed): Don't take number of outargs, adjust callers.
9516 Use new invariant for speeding up.
9517 (init_equiv_class): Create initial classes based on sorted
9519 (partition_equiv_class): Don't track out_arcs_num.
9520 (evaluate_equiv_classes): Call cache_presence on all states and
9523 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9525 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9526 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9527 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9528 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9530 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9531 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9532 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9533 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9534 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9536 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9537 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9538 (REGNO_REG_CLASS): ARGP is in PREGS.
9539 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9541 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9542 to deal with those addresses.
9543 * addresses.h: New file.
9544 * caller-save.c: Include "addresses.h".
9545 (init_caller_save): Use new base_reg_class function.
9546 * rtl-factoring.c: Include "addresses.h".
9547 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9548 * recog.c: Include "addresses.h".
9549 (preprocess_constraints): Use new base_reg_class function.
9550 * regrename.c: Include "addresses.h".
9551 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9552 functions. Keep track of a new var INDEX_CODE to compute valid
9554 (replace_oldest_value_addr): Likewise.
9555 (replace_oldest_value_mem): Use base_reg_class.
9556 * reload.c: Include "addresses.h".
9557 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9558 (find_reloads): Use new base_reg_class function.
9559 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9560 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9561 all callers and prototype changed.
9562 * reload1.c: Include "addresses.h".
9563 (maybe_fix_stack_asms): Use base_reg_class.
9564 * regclass.c: Include "addresses.h".
9565 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9566 (init_reg_autoinc): Use new base_reg_class function.
9567 (record_reg_classes): Likewise.
9568 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9569 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9570 Use new args to compute necessary class.
9572 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9573 regrename.o, rtl-factoring.o): Update dependencies.
9574 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9575 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9576 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9577 REG_OK_FOR_INDEX_P): Delete documentation.
9579 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9581 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9582 from V7 to V9 for Solaris 7 and above.
9584 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9586 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9587 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9588 argument pointers may not alias any other storage.
9589 * common.opt: Define option -fargument-noalias-anything.
9590 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9591 alias semantics is specified by flag_argument_noalias > 2.
9593 2006-03-20 Jeff Law <law@redhat.com>
9595 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9596 (pass_phi_only_cprop): Declare.
9597 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9599 * tree-ssa-dom.c (degenerate_phi_result): New function.
9600 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9601 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9602 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9603 (eliminate_degenerate_phis): Likewise.
9604 (pass_phi_only_cprop): New pass descriptor.
9605 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9606 support code. Callers updated.
9607 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9608 (store_copy_prop): Likewise.
9609 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9611 2006-03-20 Jason Merrill <jason@redhat.com>
9614 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9615 (push_visibility, pop_visibility): Likewise.
9616 * c-pragma.h: Declare them.
9618 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9620 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9622 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9623 parameter and use get_ebb_head_tail.
9624 (sh_md_init_global): Adjust uses of find_regmode_weight.
9626 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9628 * function.h (struct function) <x_tail_recursion_reentry>:
9629 Rename to x_stack_check_probe_note.
9630 (tail_recursion_reentry): Rename to stack_check_probe_note.
9631 * function.c: Replace tail_recursion_reentry with
9632 stack_check_probe_note everywhere.
9633 (expand_function_start): Only emit a note for
9634 stack_check_probe_note with -fstack-protect.
9635 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9637 * emit-rtl.c (remove_unnecessary_notes): Remove.
9638 (pass_remove_unnecessary_notes): Remove.
9639 * rtl.h (remove_unnecessary_notes): Remove prototype.
9640 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9641 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9642 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9644 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9647 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9648 (valid_in_set): Handle ARRAY_REF.
9649 Change "if min_variant or VH" to asserts.
9650 (create_component_ref_by_pieces): Handle ARRAY_REF.
9651 (create_expression_by_pieces): Likewise.
9652 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9654 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9656 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9657 is operand of switch, not str[0].
9659 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9661 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9662 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9664 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9666 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9667 end of insn_extra_address_constraint declaration.
9669 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9671 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9672 (no-sum-in-toc): Same.
9673 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9675 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9676 NO_FP_IN_TOC for -fPIC instead of mask.
9678 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9679 (BOOT_LDFLAGS): Delete.
9681 * config/rs6000/t-aix52: Same.
9683 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9684 (stmsi[345678]_power): New.
9686 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9688 * config/ia64/ia64.opt: Add empty line to end of file.
9690 2006-03-17 Richard Guenther <rguenther@suse.de>
9693 * builtins.c (get_pointer_alignment): For component style references
9694 adjust alignment to the component type alignment. Make sure
9695 to adjust alignment for component access of constants.
9697 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9699 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9702 2006-03-17 Paul Brook <paul@codesourcery.com>
9704 * doc/install.texi: Docuemnt --with-mode.
9705 * config.gcc: Add --with-mode for arm*-*-*.
9706 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9708 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9710 * sh.c (max_labelno_before_reorg): New variable.
9711 (sh_reorg): Initialize it.
9712 (find_barrier): Check max_labelno_before_reorg before using
9713 label_to_alignment. Take length of explicit alignment insns
9714 into account. When seeing a UNSPECV_CONST_END, return it.
9716 * sh.c (fixup_mova): Set mode of affected label to QImode.
9717 (untangle_mova): New function.
9718 (find_barrier): Use it. Check mode of label before decrementing
9720 (sh_reorg): Likewise.
9721 Set mode of all insns back to VOIDmode.
9723 * sh.c (MOVA_LABELREF): New macro.
9724 (mova_p, fixup_mova, sh_reorg): Use it.
9725 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9726 ADDR_DIFF_VEC matches mova.
9728 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9730 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9731 with ATTRIBUTE_UNUSED.
9733 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9735 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9736 pointer, instead of assuming it is possible to derive the
9737 correct args size from a call insn.
9739 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9741 * rtl.h (CONST_INT_P): Define.
9742 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9743 instead of GET_CODE(x) == CONST_INT.
9744 (vax_rtx_costs): Likewise.
9745 (vax_output_int_move): Likewise.
9746 (vax_output_int_add): Likewise.
9747 (legitimate_constant_address_p): Likewise.
9748 (index_term_p): Likewise.
9749 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9750 * config/vax/vax.md (and<mode>3): Likewise.
9751 (ashrsi3): Likewise.
9753 (movstricthi): Likewise.
9754 (movstrictqi): Likewise.
9755 (rotrsi3): Likewise.
9756 (five unnamed insns): Likewise.
9758 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9760 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9761 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9762 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9763 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9764 Pass to ASM_OUTPUT_DWARF_OFFSET.
9765 * dwarf2out.c (debug_frame_section): New.
9766 (output_call_frame_info): Use debug_frame_section. Pass it to
9767 dw2_asm_output_offset.
9768 (output_die): Pass appropriate section to dw2_asm_output_offset.
9769 (output_compilation_unit_header): Likewise.
9770 (output_pubnames): Likewise.
9771 (output_aranges): Likewise.
9772 (enum dw_val_class): Break dw_val_class_lbl_offset into
9773 dw_val_class_lineptr and dw_val_class_macptr.
9774 (add_AT_lbl_offset): Delete.
9775 (add_AT_lineptr): New.
9776 (add_AT_macptr): New.
9777 (AT_lbl): Expect a lineptr or macptr.
9778 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9779 (attr_checksum): Likewise.
9780 (same_dw_val_p): Likewise.
9781 (size_of_die): Likewise.
9782 (value_format): Likewise.
9783 (output_die): Likewise.
9784 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9786 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9787 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9788 * config/darwin-protos.h (darwin_file_start): New.
9789 (darwin_asm_output_dwarf_offset): New.
9790 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9791 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9793 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9794 if not EH section; simplify.
9795 (darwin_file_start): New.
9796 (darwin_asm_output_dwarf_offset): New.
9797 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9799 (DEBUG_INFO_SECTION): Likewise.
9800 (DEBUG_ABBREV_SECTION): Likewise.
9801 (DEBUG_ARANGES_SECTION): Likewise.
9802 (DEBUG_MACINFO_SECTION): Likewise.
9803 (DEBUG_LINE_SECTION): Likewise.
9804 (DEBUG_LOC_SECTION): Likewise.
9805 (DEBUG_PUBNAMES_SECTION): Likewise.
9806 (DEBUG_STR_SECTION): Likewise.
9807 (DEBUG_RANGES_SECTION): Likewise.
9808 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9809 (ASM_OUTPUT_DWARF_OFFSET): New.
9811 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9813 * config.gcc (tm_defines): Always add to previous value rather
9816 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9818 * config/mips/predicates.md (splittable_const_int_operand): New,
9819 split from move_operand.
9820 (splittable_symbolic_operand): New.
9821 (move_operand): Add commentary. Use splittable_const_int_operand.
9822 Inline mips_atomic_symbolic_constant_p.
9823 * config/mips/mips.md: Add combine splitters for handling moves
9824 of splittable_const_int_operands and splittable_symbolic_operands.
9825 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9826 (mips_split_symbol): Declare.
9827 (mips_move_integer): Declare.
9828 * config/mips/mips.c (mips_split_p): Make global.
9829 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9830 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9831 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9832 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9833 (mips_offset_within_object_p): Handle block symbols.
9834 (mips_atomic_symbolic_constant_p): Delete.
9835 (mips_cannot_force_const_mem): Return false for constants that
9836 mips_legitimize_move can handle.
9837 (mips_use_blocks_for_constant_p): New function.
9838 (mips_split_symbol): Make global.
9839 (mips_move_integer): Likewise. Add a temporary register argument.
9840 (mips_legitimize_const_move): Use splittable_const_int_operand and
9841 splittable_symbolic_operand.
9842 (mips_use_anchors_for_symbol_p): New function.
9843 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9844 (mips_split_p): Declare.
9846 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9848 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9849 (mips*-*-linux*): Likewise.
9851 2006-03-16 Roger Sayle <roger@eyesopen.com>
9852 Daniel Speyer <dspeyer@wam.umd.edu>
9855 * tree-dump.c (dump_real): New function.
9856 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9857 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9858 (tree-dump.o): Add $(REAL_H) to the dependencies.
9860 2006-03-16 Roger Sayle <roger@eyesopen.com>
9863 * real.c (real_from_string): If the mantissa is zero, don't bother
9864 parsing the exponent as the result should always be zero.
9866 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9868 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9870 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9872 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9873 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9874 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9875 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9876 ia64_sched_finish_global): New static functions to implement
9877 hooks from gcc_target.sched.
9878 (spec_check_no, max_uid, pending_data_specs): New static variables.
9879 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9880 ia64_spec_check_src_p): New static functions.
9881 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9882 (TARGET_SCHED_ADJUST_COST): Removed.
9883 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9884 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9885 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9886 TARGET_SCHED_GEN_CHECK,
9887 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9888 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9889 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9890 Fixed to handle speculation checks.
9891 (rtx_needs_barrier): Fixed to handle speculative loads and
9893 (ia64_variable_issue): Added code to count speculative loads and their
9895 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9897 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9899 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9901 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9902 (ia64_reorg): Reset stops_p to NULL after it is freed.
9903 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9904 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9905 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9907 (data_speculative, control_speculative, check_load): New attributes.
9908 (mov<mode>_advanced, mov<mode>_speculative,
9909 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9910 zero_extend<mode>di2_speculative,
9911 zero_extend<mode>di2_speculative_advanced): New patterns for
9912 data and control speculative loads.
9913 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9915 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9916 New pattern for data and control speculation checks.
9917 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9918 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9919 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9920 Auxiliary definitions for the patterns.
9921 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9922 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9924 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9926 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9927 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9928 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9929 New resource constraints.
9930 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9932 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9933 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9934 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9935 msched-in-control-spec, msched-ldc, msched-control-ldc,
9936 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9937 msched-prefer-non-control-spec-insns,
9938 msched-count-spec-in-critical-path): New flags to tune speculative
9940 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9941 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9942 msched-in-control-spec, msched-ldc, msched-control-ldc,
9943 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9944 msched-prefer-non-control-spec-insns,
9945 msched-count-spec-in-critical-path): Document new flags.
9947 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9949 * target.h (struct spec_info_def): New opaque declaration.
9950 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9951 speculate_insn, needs_block_p, gen_check,
9952 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9953 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9954 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9955 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9956 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9957 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9959 (TARGET_SCHED): Use new macros.
9960 * rtl.h (copy_DEPS_LIST_list): New prototype.
9961 * sched-int.h (struct sched_info): Change signature of new_ready field,
9962 adjust all initializations. New fields: add_remove_insn,
9963 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9964 region_head_or_leaf_p.
9965 (struct spec_info_def): New structure declaration.
9966 (spec_info_t): New typedef.
9967 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9968 recovery_block, orig_pat.
9969 (glat_start, glat_end): New variables declaraions.
9970 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9972 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9973 DETACH_LIFE_INFO, USE_GLAT.
9974 (enum SPEC_SCHED_FLAGS): New enumeration.
9975 (NOTE_NOTE_BB_P): New macro.
9976 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9977 attach_life_info, debug_spec_status, check_reg_live): New functions.
9978 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9979 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9981 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9982 * ddg.c (get_block_head_tail): Adjust all uses.
9983 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9984 (sms_sched_info): Initialize new fields.
9985 (contributes_to_priority): Removed.
9986 * haifa-sched.c (params.h): New include.
9987 (get_block_head_tail): Adjust all uses.
9988 (ISSUE_POINTS): New macro.
9989 (glat_start, glat_end): New global variables.
9990 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9991 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9992 old_last_basic_block, before_recovery, current_sched_info_var,
9993 rgn_n_insns, luid): New static variables.
9994 (insn_cost1): New function. Move logic from insn_cost to here.
9995 (find_insn_reg_weight1): New function. Move logic from
9996 find_insn_reg_weight to here.
9997 (reemit_notes, move_insn, max_issue): Change signature.
9998 (move_insn1): Removed.
9999 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10000 extend_bb): New static functions to support extension of scheduler's
10002 (generate_recovery_code, process_insn_depend_be_in_spec,
10003 begin_speculative_block, add_to_speculative_block,
10004 init_before_recovery, create_recovery_block, create_check_block_twin,
10005 fix_recovery_deps): New static functions to support
10006 generation of recovery code.
10007 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10008 restore_bb_notes, move_block_after_check, move_succs): New static
10009 functions to support ebb scheduling.
10010 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10011 functions to support handling of register live information.
10012 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10013 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10014 add_jump_dependencies): New static functions.
10015 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10016 consistancy checking.
10017 (debug_spec_status): New function to call from debugger.
10018 (priority): Added code to handle speculation checks.
10019 (rank_for_schedule): Added code to distinguish speculative instructions.
10020 (schedule_insn): Added code to handle speculation checks.
10021 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10022 Fixed to handle ebbs.
10023 (move_insn): Added code to handle ebb scheduling.
10024 (max_issue): Added code to use ISSUE_POINTS of instructions.
10025 (choose_ready): Added code to choose between speculative and
10026 non-speculative instructions.
10027 (schedule_block): Added code to handle ebb scheduling and scheduling of
10028 speculative instructions.
10029 (sched_init): Initialize new variables.
10030 (sched_finish): Free new variables. Print statistics.
10031 (try_ready): Added code to handle speculative instructions.
10032 * lists.c (copy_DEPS_LIST_list): New function.
10033 * sched-deps.c (extend_dependency_caches): New function. Move logic
10034 from create_dependency_caches to here.
10035 (get_dep_weak, ds_merge): Make global.
10036 * genattr.c (main): Code to output prototype for
10037 dfa_clear_single_insn_cache.
10038 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10039 (output_dfa_clean_insn_cache_func): Code to output
10040 dfa_clear_single_insn_cache function.
10041 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10043 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10045 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10046 New static variables.
10047 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10048 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10050 (ebb_sched_info): Initialize new fields.
10051 (get_block_head_tail): Adjust all uses.
10052 (compute_jump_reg_dependencies): Fixed to use glat_start.
10053 (schedule_ebb): Code to remove unreachable last block.
10054 (schedule_ebbs): Added code to update register live information.
10055 * sched-rgn.c (region_sched_info): Initialize new fields.
10056 (get_block_head_tail): Adjust all uses.
10057 (last_was_jump): Removed. Adjust users.
10058 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10059 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10060 Implement new hooks.
10061 (check_dead_notes1): New static function.
10062 (struct region): New fields: dont_calc_deps, has_real_ebb.
10063 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10064 (BB_TO_BLOCK): Fixed to handle EBBs.
10065 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10066 (ebb_head): New static variable.
10067 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10068 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10070 (compute_dom_prob_ps): New assertion.
10071 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10072 global_live_at_start.
10073 (init_ready_list): New assertions.
10074 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10075 (new_ready): Add support for BEGIN_CONTROL speculation.
10076 (schedule_insns): Fixed code that updates register live information
10078 (schedule_region): Fixed to handle EBBs.
10079 (init_regions): Use extend_regions and check_dead_notes1.
10080 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10081 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10082 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10083 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10084 TARGET_SCHED_GEN_CHECK,
10085 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10086 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10087 * doc/invoke.texi (max-sched-insn-conflict-delay,
10088 sched-spec-prob-cutoff): Document.
10090 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10092 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10093 inter_tick, queue_index.
10094 (struct sched_info): Change signature of init_ready_list field.
10095 Adjust all initializations.
10096 (RESOLVED_DEPS): New access macro.
10097 (ready_add): Remove prototype.
10098 (try_ready): Add prototype.
10099 * sched-rgn.c (init_ready_list): Use try_ready.
10100 (schedule_region): Initialize
10101 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10102 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10103 (init_ready_list): Use try_ready.
10104 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10105 * lists.c (remove_list_elem): Remove `static'.
10106 (remove_free_INSN_LIST_elem): New function.
10107 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10108 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10109 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10111 (readyp): New variable.
10112 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10113 change_queue_index, resolve_dep): New static functions.
10114 (try_ready): New function. Adjust callers in sched-rgn.c and
10115 sched-ebb.c to use it instead of ready_add.
10116 (clock_var): Move at the begining of file.
10117 (rank_for_schedule): Fix typo.
10118 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10119 (ready_lastpos): Enforce assertion.
10120 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10121 update all callers.
10122 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10123 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10124 (queue_to_ready): Use free_INSN_LIST_list.
10125 (early_queue_to_ready): Fix typo.
10126 (schedule_block): Init readyp. Move init_ready_list call after the
10127 initialization of clock_var. Fix error in rejecting insn by
10128 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10129 that previously corrected INSN_TICKs. Add code for handling
10131 (set_priorities): Fix typo.
10132 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10133 Clarify comment and code that keeps current_sched_info->next_tail
10136 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10138 * sched-rgn.c (extend_rgns): New static function.
10139 (find_rgns): Use it.
10140 (gather_region_statistics, print_region_statistics): New static
10142 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10143 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10145 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10146 Andrey Belevantsev <abel@ispras.ru>
10148 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10149 * lists.c (unused_deps_list): New variable.
10150 (free_list): Add assertions to verify the proper distinguishing
10151 between INSN_LISTs and DEPS_LISTs.
10152 (find_list_elem, remove_list_elem, remove_list_node): New static
10154 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10155 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10156 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10157 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10159 (free_INSN_LIST_node): Likewise.
10160 * modulo-sched.c (current_sched_info): Initialize flags field.
10161 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10162 * rtl.def (DEPS_LIST): Define.
10163 * rtl.h: Declare new functions from lists.c.
10164 * sched-deps.c (spec_dependency_cache): New static variable.
10165 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10166 (add_dependence): Change return type to void. Move the logic to ...
10167 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10168 (delete_all_dependences): Add comment about forward_dependency_cache.
10169 Handle spec_dependency_cache. Handle DEPS_LISTs.
10170 (fixup_sched_groups): Clarify the change of priority of output
10171 and anti dependencies.
10172 (sched_analyze_2): Adjust add_dependence calls to create data
10173 speculative dependence.
10174 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10175 Adjust all callers. Handle DEPS_LISTS.
10176 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10177 presence of speculation.
10178 (init_dependency_caches, free_dependency_caches):
10179 Handle spec_dependency_cache.
10180 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10181 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10182 New static functions.
10183 (add_or_update_back_dep, add_or_update_back_forw_dep,
10184 add_back_forw_dep, delete_back_forw_dep): New functions.
10185 * sched-int.h (ds_t, dw_t): New typedefs.
10186 (struct sched_info): Add new field flags.
10187 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10188 Prototype new sched-deps.c functions.
10189 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10190 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10191 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10192 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10193 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10194 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10196 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10198 * sched-rgn.c (current_sched_info): Initialize flags field.
10199 (schedule_insns): Initialize current_sched_info before the sched_init
10201 * sched-ebb.c (current_sched_info): Initialize flags field.
10202 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10203 Call add_or_update_back_dep instead of add_dependence.
10204 Create control speculative dependencies.
10205 (schedule_insns): Initialize current_sched_info before the sched_init
10208 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10210 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10212 (sh_fallback_frame_state): Likewise.
10214 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10216 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10217 Do switch on default_use_cxa_atexit.
10218 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10219 * config/darwin-crt3.o: New.
10220 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10221 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10222 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10224 * config/rs6000/t-darwin: Move crt2.o building to here.
10225 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10226 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10229 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10231 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10232 from '! xxx' to '!xxx' for coding-style conformance.
10233 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10234 (EXTRA_CONSTRAINT): Likewise.
10235 * config/vax/vax.md (four unnamed insns): Likewise.
10237 2006-03-15 Paul Brook <paul@codesourcery.com>
10239 * config/arm/arm.c (minipool_pad): New.
10240 (add_minipool_forward_ref): Include pool alignment padding in address
10242 (push_minipool_fix): Set minipool_pad.
10243 (minipool_pad): Ditto.
10245 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10247 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10248 instead of GET_CODE() == MEM and REG_P() instead of
10250 (print_operand_address): Likewise.
10251 (vax_address_cost): Likewise.
10252 (vax_rtx_costs): Likewise.
10253 (vax_notice_update_cc): Likewise.
10254 (vax_output_int_add): Likewise.
10255 (INDEX_REGISTER_P): Likewise.
10256 (BASE_REGISTER_P): Likewise.
10257 (nonindexed_address_p): Likewise.
10258 (vax_mode_dependent_address_p): Likewise.
10259 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10260 (PRINT_OPERAND): Likewise.
10261 * config/vax/vax.md (ashlsi3): Likewise.
10262 (ashlsi3): Likewise.
10263 (some more unnamed insns): Likewise.
10265 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10267 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10268 iterator-style macro.
10269 (mark_control_dependent_edges_necessary): Update the use of
10270 EXECUTE_IF_CONTROL_DEPENDENT.
10272 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10274 * config/sh/predicates.md (cache_address_operand): Special.
10275 (ua_address_operand): Likewise.
10277 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10279 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10281 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10283 2006-03-15 Andreas Schwab <schwab@suse.de>
10285 * gensupport.c (identify_predicable_attribute): Don't free p_false
10286 when it is still in use.
10288 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10290 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10291 the default setting here.
10293 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10295 * tree-pass.h (pass_cfg): Remove.
10296 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10297 * passes.c (pass_cfg): Don't run it.
10299 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10301 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10302 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10304 (stack_regs_mentioned): Update the uses of
10305 stack_regs_mentioned_data. Don't access the array beyond its
10307 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10308 Don't include gt-reg-stack.h.
10310 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10311 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10313 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10315 PR middle-end/26684
10316 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10319 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10321 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10323 2006-03-14 Richard Guenther <rguenther@suse.de>
10325 PR tree-optimization/26672
10326 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10329 2006-03-14 Richard Guenther <rguenther@suse.de>
10331 PR tree-optimization/26667
10332 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10333 node for the callees. Always allow inlining if it will shrink
10336 2006-03-14 Richard Guenther <rguenther@suse.de>
10338 PR middle-end/26659
10339 * builtins.c (get_pointer_alignment): Prefer alignment
10340 information from decls over that from types.
10342 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10345 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10347 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10349 * config/rs6000/rs6000.opt (mdlmzb): New option.
10350 (msched-prolog, msched-epilog): Use Var not Mask.
10351 * doc/invoke.texi (-mdlmzb): Document.
10352 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10354 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10355 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10357 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10359 PR rtl-optimization/25739
10360 * bt-load.c (augment_live_range): Free tos pointer.
10362 * gensupport.c (identify_predicable_attribute): Free
10364 * gcov.c (create_file_names): Free name pointer.
10366 2006-03-13 Roger Sayle <roger@eyesopen.com>
10368 PR middle-end/26557
10369 * stmt.c (emit_case_nodes): Handle the case where the index is a
10370 CONST_INT, where the comparison mode is specified by the index type.
10372 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10374 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10377 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10379 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10380 (*branch_fp_inverted): Likewise.
10382 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10384 PR middle-end/25989
10385 * omp-low.c (expand_omp_for_generic): Mark istart0
10386 and iend0 as addressable.
10388 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10390 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10392 2006-03-13 Jeff Law <law@redhat.com>
10394 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10395 virtual operands are interesting.
10396 (vrp_visit_stmt): Corresponding changes.
10398 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10400 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10402 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10403 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10404 * config/bfin/crti.S: Use it instead of __PIC__.
10405 * config/bfin/crtn.S: Likewise.
10407 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10408 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10410 Lose 'G' modifier for call operand.
10411 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10412 recognize 'G' modifier.
10414 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10416 PR middle-end/18859
10417 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10418 * stmt.c (expand_case): Likewise.
10420 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10422 PR rtl-optimization/26254
10423 * loop-invariant.c (seq_insns_valid_p): New function.
10424 (move_invariant_reg): Only emit new code if it is valid.
10426 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10428 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10430 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10431 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10432 (commit_one_edge_insertion): Do not look for loop notes.
10434 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10436 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10437 flag_test_coverage out of loop.
10439 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10441 * final.c (shorten_branches): Remove outdated comment, and turn
10442 the if branch that guards it to continue.
10444 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10446 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10447 * cfgloop.h (struct loop): Remove unused fields.
10449 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10451 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10452 (-dL, -fdump-rtl-loop2): Update the dump file names
10454 * doc/invoke.texi: Update dump file names.
10456 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10458 * predict.c (estimate_probability): Remove.
10459 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10460 * basic-block.h (estimate_probability): Remove prototype.
10461 * passes.c (finish_optimization_passes): Dump branch prediction or
10462 profiling heuristics to the .profile tree dump.
10463 (init_optimization_passes): Unqueue pass_branch_prob.
10465 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10467 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10469 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10470 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10472 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10474 * function.h (frame_offset_overflow): Declare.
10475 * function.c (frame_offset_overflow): New function.
10476 (assign_stack_local_1): Call it to detect that the offset overflows.
10477 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10479 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10481 * config/sh/sh.c: Include alloc-pool.h.
10482 (label_ref_list_pool): New alloc pool.
10483 (label_ref_list_t): New type for lists of labels.
10484 (struct pool_node): Make wend a label_ref_list_t.
10485 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10487 (dump_table): Likewise.
10488 (sh_reorg): Set up the alloc pool before using add_constant and
10489 dump_table, and destroy it when finishing.
10491 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10493 * config/mips/mips.c: Remove redundant comment.
10495 2006-03-10 Jason Merrill <jason@redhat.com>
10498 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10499 the target was declared 'register'.
10501 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10503 * genpreds.c (write_insn_constraint_len): Change definition of
10504 insn_constraint_len to return size_t to match the declaration.
10506 2006-03-10 DJ Delorie <dj@redhat.com>
10508 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10510 (m32c_expand_insv): Fix test for an AND mask.
10512 2006-03-10 Richard Guenther <rguenther@suse.de>
10514 PR middle-end/26565
10515 * builtins.c (get_pointer_alignment): Handle component
10516 references for field alignment.
10518 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10520 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10521 when building with libgloss.
10522 (sh*elf): Implement --without-fp option.
10523 (sh64-superh-linux*): Don't multilib.
10525 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10527 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10529 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10531 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10532 Set it when one of the replacement functions returned true.
10533 Return TODO_cleanup_cfg if cfgchanged is true.
10534 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10536 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10538 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10539 instead of gen_lowpart.
10541 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10543 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10545 (mips_output_order_conditional_branch): Declare.
10546 * config/mips/mips.h (MIPS_BRANCH): New macro.
10547 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10548 for the comparison. Use gen_condjump.
10549 (mips_output_conditional_branch): Rework interface to take the
10550 asm templates for a direct branch and the inverse of a direct branch.
10551 (mips_output_order_conditional_branch): New function.
10552 (mips_builtin_branch_and_move): New function.
10553 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10554 branch condition. Use gen_single_cc as the condition for
10555 __builtin_mips_upper_* or __builtin_mips_lower_*.
10556 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10557 Use VOIDmode for the branch condition.
10558 * config/mips/predicates.md (order_operator): New predicate.
10559 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10560 (branch_fp): Rename to...
10561 (*branch_fp): ...this. Remove mode from comparison operator.
10562 Use new mips_output_conditional_branch interface.
10563 (branch_fp_inverted): Rename to...
10564 (*branch_fp_inverted): ...this and update as for *branch_fp.
10565 (*branch_zero<mode>): Rename to...
10566 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10567 Use mips_output_order_conditional_branch. Only accept ordered
10569 (*branch_zero<mode>_inverted): Rename to...
10570 (*branch_order<mode>_inverted): ...this and update as for
10571 *branch_order<mode>.
10572 (*branch_equality<mode>): Accept zero as the second operand to
10573 the equality operator. Use the new mips_output_conditional_branch
10575 (*branch_equality<mode>_inverted): Likewise.
10576 (condjump): New expander.
10577 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10579 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10580 (bc1any2t, bc1any2f): Likewise.
10581 (single_cc): New expander.
10582 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10584 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10586 * doc/md.texi: Update documentation of MIPS constraints.
10587 * config/mips/constraints.md: New file.
10588 * config/mips/mips.md: Include it.
10589 * config/mips/mips.c (mips_char_to_class): Delete.
10590 (override_options): Don't initialize mips_char_to_class.
10591 * config/mips/mips.h (mips_char_to_class): Delete.
10592 (REG_CLASS_FROM_LETTER): Delete.
10593 (CONST_OK_FOR_LETTER_P): Delete.
10594 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10595 (EXTRA_CONSTRAINT_Y): Delete.
10596 (EXTRA_CONSTRAINT_STR): Delete.
10597 (CONSTRAINT_LEN): Delete.
10598 (EXTRA_MEMORY_CONSTRAINT): Delete.
10600 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10602 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10603 original fn's eh regions.
10605 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10607 * fold-const.c (build_range_check): Make sure to use a valid type to
10608 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10611 (range_predecessor): New static function.
10612 (range_successor): Likewise.
10613 (merge_ranges): Use them to compute predecessors and successors of
10616 2006-03-09 Roger Sayle <roger@eyesopen.com>
10618 PR middle-end/26561
10619 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10620 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10622 2006-03-08 DJ Delorie <dj@redhat.com>
10624 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10625 (addpsi3): Expand to include memory operands. Remove
10626 reload-specific splits.
10627 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10628 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10629 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10630 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10631 (shift1_qi, shift1_hi, insv): New.
10632 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10633 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10634 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10636 * config/m32c/m32c-protos.h: Update as needed.
10637 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10638 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10639 Fail for unrecognized R* constraints.
10640 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10641 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10642 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10644 (m32c_init_libfuncs): New.
10645 (m32c_legitimate_address_p): Add debug wrapper.
10646 (m32c_rtx_costs): New.
10647 (m32c_address_cost): New.
10648 (conversions): Add 'B' prefix.
10649 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10650 operands, or word regnames for QI operands. 'B' prints bit
10652 (m32c_expand_setmemhi): New.
10653 (m32c_expand_movmemhi): New.
10654 (m32c_expand_movstr): New.
10655 (m32c_expand_cmpstr): New.
10656 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10657 (m32c_expand_neg_mulpsi3): Handle non-ints.
10658 (m32c_cmp_flg_0): New.
10659 (m32c_expand_movcc): New.
10660 (m32c_expand_insv): New.
10661 (m32c_scc_pattern): New.
10662 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10663 a0/a1 out of SIregs.
10664 (STORE_FLAG_VALUE): New.
10665 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10668 * config/m32c/mov.md: Make constraints more liberal.
10669 (zero_extendqihi2): Optimize r0/r1 case.
10670 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10671 * config/m32c/predicates.md (m32c_any_operand): New.
10672 (m32c_nonimmediate_operand): New.
10673 (m32c_hl_operand): New.
10674 (m32c_r3_operand): New.
10677 (memsym_operand): New.
10678 (memimmed_operand): New.
10679 (a_qi_operand): New.
10680 (m32c_eqne_operator): New.
10681 (m32c_1bit8_operand): New.
10682 (m32c_1bit16_operand): New.
10683 (m32c_1mask8_operand): New.
10684 (m32c_1mask16_operand): New.
10685 * config/m32c/blkmov.md: New file.
10686 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10688 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10690 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10691 unsigned to fix signed/unsigned comparison issue in
10692 DWARF2_FRAME_REG_OUT.
10693 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10694 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10696 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10697 of ptr into the ENABLE_CHECKING section.
10699 2006-03-08 Jeff Law <law@redhat.com>
10701 * tree-vrp.c (infer_value_range): Only count pointer uses
10702 and dereferences if -fdelete-null-pointer-checks is enabled.
10704 * tree-vrp.c (find_assert_locations): Infer value ranges for
10705 single use pointers, but do not create ASSERT_EXPRs for them.
10706 When a non-null range is inferred for a pointer, backwards
10707 propagate that range to other equivalent pointers through the
10710 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10713 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10714 language hook targets.
10715 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10716 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10717 if language hook targets were missing.
10719 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10721 * tree-ssa-opfinalize.h: Removed.
10722 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10724 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10725 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10726 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10727 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10728 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10729 finalize_ssa_v_must_def_ops): New.
10731 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10733 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10734 block as parameter.
10736 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10738 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10740 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10741 addresses with offsets; reorganize.
10743 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10744 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10745 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10747 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10750 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10752 2006-03-08 Ben Elliston <bje@au.ibm.com>
10754 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10756 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10759 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10762 2006-03-07 Richard Guenther <rguenther@suse.de>
10764 PR tree-optimization/26587
10765 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10767 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10769 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10771 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10773 * hooks.c (hook_bool_mode_rtx_true): New function.
10774 * hooks.h (hook_bool_mode_rtx_true): Declare.
10775 * toplev.c (compile_file): Call output_shared_constant_pool.
10776 * varasm.c (shared_constant_pool): New variable.
10777 (assemble_start_function, assemble_end_function): Remove arguments
10778 from call to output_constant_pool.
10779 (create_constant_pool): New function, split out from...
10780 (init_varasm_status): ...here.
10781 (force_const_mem): Choose between the shared and per-function constant
10782 pools. Set current_function_uses_const_pool when reusing old entries
10783 as well as when creating new ones.
10784 (mark_constant): Ignore data argument.
10785 (mark_constants): Remove pool argument.
10786 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10787 to decide whether the function uses a constant pool.
10788 (output_constant_pool_contents): New function, split out from...
10789 (output_constant_pool): ...here.
10790 (output_shared_constant_pool): New function.
10791 (init_varasm_once): Initialize shared_constant_pool.
10792 * output.h (output_constant_pool): Delete.
10793 (output_shared_constant_pool): Declare.
10794 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10795 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10797 2006-03-06 Nick Clifton <nickc@redhat.com>
10799 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10800 flag_strength_reduce.
10802 2006-03-06 Ben Elliston <bje@au.ibm.com>
10804 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10805 x86_64-*-linux* configurations.
10807 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10808 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10810 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10812 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10814 * basic-block.h: Remove the extern for
10815 rediscover_loops_after_threading.
10817 * cfgloop.c (cancel_loop): Make it static.
10818 * cfgloop.h: Remove the prototype for cancel_loop.
10820 * flow.c (recompute_reg_usage): Make it static.
10821 * rtl.h: Remove the prototype for recompute_reg_usage.
10823 * function.c (use_return_register): Make it static.
10824 * function.h: Remove the prototype.
10826 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10828 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10830 * recog.h: Remove the prototype for
10831 validate_change_maybe_volatile.
10833 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10835 * rtlanal.c (replace_reg): Remove.
10836 * rtl.h: Remove the prototype for replace_reg.
10838 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10840 * regclass.c (reg_scan_update): Remove.
10841 (reg_scan_mark_refs): Remove the last argument.
10842 * rtl.h: Remove the prototype for reg_scan_update.
10844 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10846 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10847 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10848 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10849 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10850 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10851 loop-invariant.c, omp-low.c, opts.c, passes.c,
10852 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10853 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10854 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10855 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10856 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10857 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10859 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10861 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10862 * dwarf2out.h: Remove the prototype for
10863 dwarf2out_add_library_unit_info.
10865 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10867 * tree.c (add_var_to_bind_expr): Remove.
10868 * tree.h: Remove the prototype for add_var_to_bind_expr.
10870 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10872 * regclass.c (n_non_fixed_regs): Remove.
10873 (init_reg_sets_1, globalize_reg): Remove all uses of
10875 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10877 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10879 * rtlanal.c (insns_safe_to_move_p): Remove.
10880 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10882 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10884 * expmed.c (expand_mult_add): Remove.
10885 * expr.h: Remove the prototype for expand_mult_add.
10887 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10889 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10890 and REG_SAVED_VAL_EXP constants.
10891 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10892 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10893 Handle regs stored by value.
10894 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10895 (execute_cfa_program): Handle DW_CFA_val_offset,
10896 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10897 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10898 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10899 (uw_install_context_1): Handle target regs stored by value.
10901 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10903 * tree-sra.c (tree_sra): Return todoflags;
10904 (generate_one_element): Set TODO_update_smt_usage if needed.
10905 (pass_sra): Remove TODO_update_smt_usage.
10906 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10908 (tree_ssa_forward_propagate_single_use_vars): Return
10909 TODO_update_smt_usage if we need to update SMT usage.
10910 (pass_forwprop): Remove TODO_update_smt_usage.
10912 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10914 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10915 (correct_use_link): Remove reference to get_stmt_operands.
10916 (update_stmt_operands): Likewise.
10917 (get_modify_expr_operands): New function factored out of
10918 parse_ssa_operands and get_expr_operands.
10919 Try to create V_MUST_DEFs for LHS by default.
10920 (get_expr_operands) <case MODIFY_EXPR>: Call
10921 get_modify_expr_operands.
10922 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10923 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10924 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10925 get_modify_expr_operands.
10927 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10929 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10930 * tree-flow.h: Remove the prototype for
10931 referenced_var_lookup_if_exists.
10933 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10935 PR rtl-optimization/26345
10937 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10939 2006-03-03 Roger Sayle <roger@eyesopen.com>
10941 PR tree-optimization/26524
10942 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10943 fold_convert to create a constant of the appropriate type.
10945 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10947 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10948 SYMBOL_REF_IN_BLOCK_P.
10949 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10950 of SYMBOL_FLAG_IN_BLOCK.
10951 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10952 instead of SYMBOL_REF_IN_BLOCK_P.
10953 * explow.c (use_anchored_address): Likewise.
10954 * rtl.c (rtx_size): Likewise.
10955 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10956 instead of SYMBOL_FLAG_IN_BLOCK.
10957 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10958 SYMBOL_REF_IN_BLOCK_P.
10959 (assemble_variable): Likewise.
10960 (output_constant_def_contents): Likewise.
10961 (output_constant_pool): Likewise.
10962 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10963 instead of SYMBOL_FLAG_IN_BLOCK.
10964 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10965 SYMBOL_REF_IN_BLOCK_P.
10966 (SYMBOL_REF_BLOCK): Likewise.
10967 (SYMBOL_REF_OFFSET): Likewise.
10968 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10969 SYMBOL_REF_IN_BLOCK_P.
10970 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10971 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10972 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10973 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10975 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10977 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10979 2006-03-02 Roger Sayle <roger@eyesopen.com>
10981 * simplify-rtx.c (simplify_unary_operation): When simplifying
10982 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10983 that we perform the right shift in the appropriate mode, and
10984 then extend or truncate the result to requested mode.
10986 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10988 * gengtype.c (main): Handle double_int type.
10989 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10990 * double-int.c: New file.
10991 * double-int.h: New file.
10992 * system.h: Include doubleint.h.
10993 * Makefile.in (SYSTEM_H): Include double-int.h.
10994 (double-int.o): Add.
10996 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10999 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11002 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11004 * tree-vrp.c (remove_range_assertions): Do not update statements
11007 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11009 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11011 * gcse.c (rest_of_handle_gcse): Ditto.
11012 * except.c (gate_handle_eh): Ditto.
11013 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11014 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11016 2006-03-02 Eric Christopher <echristo@apple.com>
11018 * config/i386/i386.c (machopic_output_stub): Add indirection to
11021 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11025 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11027 Sun Niagara specific optimizations.
11028 * config.gcc: Recognize niagara as target.
11029 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11030 (TARGET_CPU_niagara): Define.
11031 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11032 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11033 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11034 (ASM_CPU_SPEC): Likewise.
11035 (PROCESSOR_NIAGARA): New enum entry.
11036 (REGISTER_MOVE_COST): Handle Niagara.
11037 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11038 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11039 (sparc_override_options): Recognize "niagara", set appropriate
11040 default MASK_* values for it, and align functions to 32-bytes
11041 by default just like ULTRASPARC/ULTRASPARC3.
11042 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11043 (sparc64_initialize_trampoline): Likewise.
11044 (sparc_use_sched_lookahead): Use zero for niagara.
11045 (sparc_issue_rate): Use one for niagara.
11046 * config/sparc/niagara.md: New file.
11047 * config/sparc/sparc.md: Include it.
11048 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11049 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11050 when default cpu is niagara.
11051 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11052 (ASM_CPU_SPEC): Likewise.
11053 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11054 when default cpu is niagara.
11055 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11056 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11057 just like v9/ultrasparc/ultrasparc3.
11058 * doc/invoke.texi: Add documentation for "niagara" and improve
11059 existing documentation for ultrasparc variants.
11061 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11063 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11065 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11067 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11068 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11069 and say that only one is needed.
11070 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11071 * target.h (have_switchable_bss_sections): New hook.
11072 * explow.c (use_anchored_address): Check that the symbol is in a block.
11073 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11074 (bss_noswitch_section): New variables.
11075 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11076 (get_noswitch_section): New function.
11077 (get_block_for_section): Allow SECT to be null.
11078 (unlikely_text_section_p): Use SECTION_STYLE.
11079 (bss_initializer_p): New function.
11080 (get_variable_section): Move earlier in file. Take a new argument,
11081 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11082 Return one of the new *_sections in such cases.
11083 (get_block_for_decl): New function, extracting some logic from
11084 use_blocks_for_decl_p.
11085 (change_symbol_section): Remove in favor of...
11086 (change_symbol_block): ...this new function.
11087 (use_blocks_for_decl_p): Remove checks now performed by
11088 get_block_for_decl.
11089 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11090 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11091 (emit_local, emit_bss, emit_common): ...these new functions.
11092 Return true if the alignment was honored.
11093 (emit_tls_common): New function.
11094 (asm_emit_uninitialised): Delete.
11095 (assemble_variable_noswitch): New function, split out from...
11096 (assemble_variable): ...here. Don't make decisions about common
11097 variables here. Globalize all public decls that go into non-common
11098 sections. Check whether SYMBOL_REF_BLOCK is null.
11099 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11100 (output_constant_pool): Likewise.
11101 (init_varasm_once): Initialize the new section variables.
11102 (have_global_bss_p): New function.
11103 (categorize_decl_for_section): Use bss_initializer_p.
11104 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11105 (place_block_symbol): Assert that the symbol must be in a block.
11106 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11107 (TARGET_INITIALIZER): Include it.
11108 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11109 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11110 (SECTION_MACH_DEP): Bump by two.
11111 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11112 (unnamed_section): Mention SECTION_UNNAMED in comment.
11113 (named_section): Likewise SECTION_NAMED.
11114 (noswitch_section_callback): New type.
11115 (noswitch_section): New structure.
11116 (section): Add a noswitch_section alternative.
11117 (SECTION_STYLE): New macro.
11118 (tls_comm_section, comm_section, lcomm_section): Declare.
11119 (bss_noswitch_section, have_global_bss_p): Declare.
11120 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11121 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11123 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11124 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11127 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11129 * tree-vrp.c (execute_vrp): Return value.
11130 * regrename.c (rest_of_handle_regrename): Ditto.
11131 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11132 * tree-complex.c (tree_lower_complex): Ditto.
11133 (tree_lower_complex_O0): Ditto.
11134 * tracer.c (rest_of_handle_tracer): Ditto.
11135 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11136 * postreload.c (rest_of_handle_postreload): Ditto.
11137 * tree-tailcall.c (execute_tail_recursion): Ditto.
11138 (execute_tail_calls): Ditto.
11139 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11140 * tree.h (init_function_for_compilation): Ditto.
11141 * ipa-cp.c (ipcp_driver): Ditto.
11142 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11143 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11144 * final.c (compute_alignments): Ditto.
11145 (rest_of_handle_final): Ditto.
11146 (rest_of_handle_shorten_branches): Ditto.
11147 (rest_of_clean_state): Ditto.
11148 * omp-low.c (execute_expand_omp): Ditto.
11149 (execute_lower_omp): Ditto.
11150 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11151 * ipa-reference.c (static_execute): Ditto.
11152 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11153 * reorg.c (rest_of_handle_delay_slots): Ditto.
11154 (rest_of_handle_machine_reorg): Ditto.
11155 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11156 * flow.c (recompute_reg_usage): Ditto.
11157 (rest_of_handle_remove_death_notes): Ditto.
11158 (rest_of_handle_life): Ditto.
11159 (rest_of_handle_flow2): Ditto.
11160 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11161 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11162 (do_ssa_store_ccp): Ditto.
11163 (execute_fold_all_builtins): Ditto.
11164 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11165 * modulo-sched.c (rest_of_handle_sms): Ditto.
11166 * ipa-pure-const.c (static_execute): Ditto.
11167 * cse.c (rest_of_handle_cse): Ditto.
11168 (rest_of_handle_cse2): Ditto.
11169 * web.c (rest_of_handle_web): Ditto.
11170 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11171 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11172 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11173 * tree-nrv.c (tree_nrv): Ditto.
11174 (execute_return_slot_opt): Ditto.
11175 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11176 (create_structure_vars): Ditto.
11177 * loop-init.c (rtl_loop_init): Ditto.
11178 (rtl_loop_done): Ditto.
11179 (rtl_move_loop_invariants): Ditto.
11180 (rtl_unswitch): Ditto.
11181 (rtl_unroll_and_peel_loops): Ditto.
11182 (rtl_doloop): Ditto.
11183 * gimple-low.c (lower_function_body): Ditto.
11184 (mark_used_blocks): Ditto.
11185 * tree-ssa-sink.c (execute_sink_code): Ditto.
11186 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11187 (cgraph_early_inlining): Ditto.
11188 * global.c (rest_of_handle_global_alloc): Ditto.
11189 * jump.c (cleanup_barriers): Ditto.
11190 (purge_line_number_notes): Ditto.
11191 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11192 (rest_of_handle_if_after_reload): Ditto.
11193 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11194 (tree_ssa_loop_im): Ditto.
11195 (tree_ssa_loop_unswitch): Ditto.
11196 (tree_vectorize): Ditto.
11197 (tree_linear_transform): Ditto.
11198 (tree_ssa_loop_ivcanon): Ditto.
11199 (tree_ssa_empty_loop): Ditto.
11200 (tree_ssa_loop_bounds): Ditto.
11201 (tree_complete_unroll): Ditto.
11202 (tree_ssa_loop_prefetch): Ditto.
11203 (tree_ssa_loop_ivopts): Ditto.
11204 (tree_ssa_loop_done): Ditto.
11205 * predict.c (tree_estimate_probability): Ditto.
11206 * recog.c (split_all_insns_noflow): Ditto.
11207 (rest_of_handle_peephole2): Ditto.
11208 (rest_of_handle_split_all_insns): Ditto.
11209 * tree-eh.c (lower_eh_constructs): Ditto.
11210 * regmove.c (rest_of_handle_regmove): Ditto.
11211 (rest_of_handle_stack_adjustments): Ditto.
11212 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11213 * function.c (instantiate_virtual_regs): Ditto.
11214 (init_function_for_compilation): Ditto.
11215 (rest_of_handle_check_leaf_regs): Ditto.
11216 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11217 (rest_of_handle_gcse): Ditto.
11218 * ipa-type-escape.c (type_escape_execute): Ditto.
11219 * alias.c (rest_of_handle_cfg): Ditto.
11220 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11221 * profile.c (rest_of_handle_branch_prob): Ditto.
11222 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11223 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11224 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11225 * tree-dfa.c (find_referenced_vars): Ditto.
11226 * except.c (set_nothrow_function_flags): Ditto.
11227 (convert_to_eh_region_ranges): Ditto.
11228 (rest_of_handle_eh): Ditto.
11229 * emit-rtl.c (unshare_all_rtl): Ditto.
11230 (remove_unnecessary_notes): Ditto.
11231 * except.h (set_nothrow_function_flags): Ditto.
11232 (convert_to_eh_region_ranges): Ditto.
11233 * cfgexpand.c (tree_expand_cfg): Ditto.
11234 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11235 * tree-ssa-pre.c (do_pre): Ditto.
11236 (execute_fre): Ditto.
11237 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11238 (rest_of_handle_jump2): Ditto.
11239 * tree-sra.c (tree_sra): Ditto.
11240 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11241 (execute_mudflap_function_decls): Ditto.
11242 * tree-ssa-copy.c (do_copy_prop): Ditto.
11243 (do_store_copy_prop): Ditto.
11244 * ipa-prop.h (ipcp_driver): Ditto.
11245 * cfglayout.c (insn_locators_initialize): Ditto.
11246 * tree-ssa-forwprop.c
11247 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11248 * cfglayout.h (insn_locators_initialize): Ditto.
11249 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11250 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11251 (execute_late_warn_uninitialized): Ditto.
11252 * rtl.h (cleanup_barriers): Ditto.
11253 (split_all_insns_noflow): Ditto.
11254 (purge_line_number_notes): Ditto.
11255 (unshare_all_rtl): Ditto.
11256 (remove_unnecessary_notes): Ditto.
11257 (recompute_reg_usage): Ditto.
11258 (variable_tracking_main): Ditto.
11259 * integrate.c (emit_initial_value_sets): Ditto.
11260 * integrate.h (emit_initial_value_sets): Ditto.
11261 * tree-optimize.c (execute_free_datastructures): Ditto
11262 (execute_free_cfg_annotations): Ditto.
11263 (execute_fixup_cfg): Ditto.
11264 (execute_cleanup_cfg_pre_ipa): Ditto.
11265 (execute_cleanup_cfg_post_optimizing): Ditto.
11266 (execute_init_datastructures): Ditto.
11267 * tree-object-size.c (compute_object_sizes): Ditto.
11268 * combine.c (rest_of_handle_combine): Ditto.
11269 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11270 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11271 (rest_of_handle_reorder_blocks): Ditto.
11272 (rest_of_handle_partition_blocks): Ditto.
11273 * var-tracking.c (variable_tracking_main): Ditto.
11274 * tree-profile.c (tree_profiling): Ditto.
11275 * tree-vect-generic.c (expand_vector_operations): Ditto.
11276 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11277 * sched-rgn.c (rest_of_handle_sched): Ditto.
11278 (rest_of_handle_sched2): Ditto.
11279 * basic-block.h (free_bb_insn): Ditto.
11280 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11281 * tree-cfg.c (execute_build_cfg): Ditto.
11282 (remove_useless_stmts): Ditto.
11283 (split_critical_edges): Ditto.
11284 (execute_warn_function_return): Ditto.
11285 (execute_warn_function_noreturn): Ditto.
11286 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11287 * cfgrtl.c (free_bb_for_insn): Ditto.
11288 * passes.c (execute_one_pass): Run additional
11289 todos returned by execute function.
11290 * tree-pass.h (struct tree_opt_pass): Make execute
11293 2006-03-02 Richard Guenther <rguenther@suse.de>
11295 * tree-ssa-alias.c (find_used_portions): Consider taking
11296 the address as making the variable not write-only.
11298 2006-03-02 Nick Clifton <nickc@redhat.com>
11300 * config.gcc (default_use_cxa_atexit): Extend the description of
11301 this configure variable. Set its default value to "yes" for
11302 Linux, NetBSD and ELF targets on the assumption that they will
11303 use C libraries with the __cxa_atexit function.
11305 2006-03-02 Ben Elliston <bje@au.ibm.com>
11307 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11308 parameter as unused to suppress a build warning.
11310 2006-03-02 Ben Elliston <bje@au.ibm.com>
11312 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11315 2006-03-01 Roger Sayle <roger@eyesopen.com>
11318 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11319 declared name, the weak reference name, and the typeof name.
11320 (__gthrw): Avoid expanding the declared name suffix.
11321 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11323 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11325 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11327 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11328 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11329 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11330 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11331 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11332 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11333 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11334 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11335 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11336 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11337 (DW_END_default, DW_END_big, DW_END_little): New.
11338 (DW_END_lo_user, DW_END_hi_user): Define.
11339 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11340 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11341 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11344 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11346 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11348 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11350 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11352 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11354 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11355 to 'symbol_mem_tag'.
11357 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11360 2006-03-01 Roger Sayle <roger@eyesopen.com>
11362 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11364 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11367 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11368 MACHO_DYNAMIC_NO_PIC_P.
11369 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11371 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11374 * config/darwin-protos.h (darwin_asm_output_anchor):
11376 * config/darwin-sections.def (cstring_section):
11377 Add SECTION_MERGE to the flags.
11378 (literal4_section): Likewise.
11379 (literal8_section): Likewise.
11380 (objc_selector_refs_section): Likewise.
11381 (objc_cls_refs_section): Likewise.
11382 * config/darwin.c (darwin_asm_output_anchor): New
11384 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11386 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11388 Fix PR tree-optimization/26443
11389 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11390 to todo and PROP_tmt_usage to properties_destroyed.
11391 * tree-ssa-ccp.c (pass_ccp): Ditto.
11392 (pass_store_ccp): Ditto.
11393 * tree-ssa-dom.c (pass_dominator): Ditto.
11395 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11397 * tree-ssa-operands.c: Cleanup whitespace.
11398 (get_asm_expr_operands): Move before first invocation.
11399 (get_indirect_ref_operands): Likewise.
11400 (get_tmr_operands): Likewise.
11401 (get_call_expr_operands): Likewise.
11402 (append_def): Likewise.
11403 (append_use): Likewise.
11404 (append_v_may_def): Likewise.
11405 (append_v_must_def): Likewise.
11406 (add_call_clobber_ops): Likewise.
11407 (add_call_read_ops): Likewise.
11408 (add_stmt_operand): Likewise.
11409 (add_virtual_operand): Likewise.
11410 (build_ssa_operands): Likewise.
11412 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11414 PR middle-end/26022
11416 PR middle-end/24437
11417 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11418 with a call expr to ...
11419 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11421 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11423 * tree-vrp.c (extract_range_from_assert): Remove special
11424 handling for types with super-types.
11426 2006-03-01 Ben Elliston <bje@au.ibm.com>
11428 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11429 and powerpc64-*-linux* configurations.
11430 * config/t-dfprules: New file.
11432 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11433 Compile dfp-bit.c from the source directory using -DWIDTH and
11434 $DFP_CFLAGS to control the compilation of that file, rather than
11435 generating width-specific versions in the build directory.
11436 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11437 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11439 2006-02-28 Zack Weinberg <zackw@panix.com>
11441 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11444 2006-02-28 Eric Christopher <echristo@apple.com>
11446 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11447 Set up IN_LIBGCC definition of TARGET_64BIT.
11448 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11450 2006-02-28 Roger Sayle <roger@eyesopen.com>
11452 PR middle-end/14752
11453 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11454 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11455 cases via the construction of "expr != 0".
11457 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11459 * alias.c (alias_invariant, alias_invariant_size): Remove.
11460 (record_base_value): Remove.
11461 (memrefs_conflict_p): Don't look at alias_invariant.
11462 (end_alias_analysis): Don't free it.
11463 * alias.h (record_base_value): Remove prototype.
11465 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11466 Adam Nemet <anemet@caviumnetworks.com>
11468 * rtl.h (truncated_to_mode): Declare it.
11469 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11470 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11471 (RTL_HOOKS_INITIALIZER): Include it.
11472 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11473 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11474 reg_truncated_to_mode.
11475 * rtlanal.c (truncated_to_mode): Define it.
11476 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11478 2006-02-28 Jeff Law <law@redhat.com>
11480 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11481 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11482 the range allowed by TYPE_PRECISION.
11484 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11486 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11488 PR tree-optimization/26419
11489 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11492 2006-02-27 Zack Weinberg <zackw@panix.com>
11494 * doc/md.texi: Fix typo in previous change.
11496 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11500 2006-02-27 Zack Weinberg <zackw@panix.com>
11502 * rtl.def (define_constraint, define_register_constraint)
11503 (define_memory_constraint, define_address_constraint): New MD forms.
11504 * gensupport.c (process_rtx): Put define_constraint etc on the
11506 * genpreds.c (process_define_predicate): Adjust comment. Validate
11507 the name, and call validate_exp to validate the expression.
11508 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11509 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11510 all callers changed.
11511 (validate_exp, needs_variable, struct constraint_data)
11512 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11513 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11514 (const_dbl_constraints, constraint_max_namelen)
11515 (have_register_constraints, have_memory_constraints)
11516 (have_address_constraints, have_address_constraints)
11517 (have_extra_constraints, have_const_int_constraints)
11518 (have_const_dbl_constraints, mangle, add_constraint)
11519 (process_define_constraint, process_define_register_constraint)
11520 (write_enum_constraint_num, write_lookup_constraint)
11521 (write_insn_constraint_len, write_regclass_for_constraint)
11522 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11523 (write_insn_extra_memory_constraint)
11524 (write_insn_extra_address_constraint)
11525 (write_satisfies_constraint_fns): New.
11526 (write_tm_preds_h): If we have new-style constraint definitions,
11527 prototype the functions generated from them, and define the
11528 old constraint interface (still used by generic code) in terms of
11530 (write_insn_preds_c): If we have new-style constraint definitions,
11531 generate all relevant functions from those definitions.
11532 (main): Handle define_constraint etc.
11533 * genoutput.c (struct constraint_data, indep_constraints)
11534 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11535 (mdep_constraint_len): New data structures and functions, defined
11536 #ifdef USE_MD_CONSTRAINTS.
11537 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11538 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11539 use new logic to validate operand constraints against constraint
11541 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11543 * defaults.h: If none of the old-style constraint macros are
11544 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11545 old-style macros; and poison REG_CLASS_FROM_LETTER,
11546 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11548 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11549 * doc/md.texi: Document new constraint-definition mechanism and the
11550 C interface it provides. Remove references to old mechanism
11551 elsewhere in the document.
11552 (Machine Constraints): Use pathnames relative to gcc directory,
11553 i.e. config/ARCH/FILE. Change i386 section to refer to
11554 config/i386/predicates.md; update that section to match docstrings.
11555 * doc/tm.texi: Move all documentation of the old constraint-
11556 definition macros to their own section, clearly mark as obsolete.
11558 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11559 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11561 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11562 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11563 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11564 constraint strings.
11565 (splits and peepholes): Use satisfies_constraint_*.
11566 * config/i386/i386.c (memory_address_length)
11567 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11569 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11571 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11572 scalar operation to be put back into the loop.
11574 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11577 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11578 (extract_cie_info): Handle S flag in augmentation string.
11579 (execute_cfa_program): If context->signal_frame, execute also
11580 fs->pc == context->ra instructions.
11581 (uw_frame_state_for): If context->signal_frame, don't subtract one
11582 from context->ra to find FDE.
11583 (uw_update_context_1): Set context->signal_frame to
11585 (_Unwind_GetIPInfo): New function.
11586 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11587 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11589 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11590 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11591 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11592 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11593 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11594 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11595 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11596 x86_64_fallback_frame_state): Set fs->signal_frame.
11597 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11598 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11599 (frob_update_context): Likewise. Workaround missing S flag in
11600 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11601 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11602 Remove the psw_addr + 1 hack.
11604 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11606 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11607 with aggregates here.
11608 (find_func_aliases): Remove code for &<aggregate> from here.
11610 2006-02-26 Roger Sayle <roger@eyesopen.com>
11612 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11613 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11614 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11615 as (X & C) ne/eq 0.
11617 2006-02-26 Roger Sayle <roger@eyesopen.com>
11619 PR middle-end/19983
11620 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11622 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11624 * opts.c (decode_options): Do not handle flag_strength_reduce.
11625 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11626 and OPT_fstrength_reduce.
11627 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11628 flag_prefetch_loop_arrays for being nonzero.
11629 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11631 (fprefetch-loop-arrays-rtl): Removed.
11632 (flag_prefetch_loop_arrays): Do not specify the value.
11634 * doc/passes.texi: Update documentation of loop optimizer
11636 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11637 -frerun-loop-opt): Remove.
11639 2006-02-26 Richard Guenther <rguenther@suse.de>
11641 PR tree-optimization/26421
11642 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11643 in function calls that are ADDR_EXPRs as using the whole structure.
11645 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11647 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11648 * tree-pass.h (pass_loop_optimize): Remove.
11649 * passes.c (pass_loop_optimize): Never run it.
11650 * toplev.c (backend_init): Don't call init_loop.
11651 * opts.c (flag_loop_optimize_set): Remove.
11652 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11653 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11654 the old RTL loop optimizer when profiling enabled.
11655 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11656 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11657 pre-headers for the sake of the old RTL loop optimizer.
11658 * Makefile.in: Remove all references to loop.o.
11660 * doc/invoke.texi: Remove all references to -floop-optimize
11661 and -frerun-loop-opt.
11663 2006-02-26 Zack Weinberg <zackw@panix.com>
11665 * doc/md.texi (Machine Constraints): Refer to all files with paths
11666 relative to gcc directory (i.e. config/CPU/file). Add missing
11667 @table @code ... @end table to M32C subsection.
11669 2006-02-26 Roger Sayle <roger@eyesopen.com>
11671 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11673 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11675 2006-02-26 Roger Sayle <roger@eyesopen.com>
11676 James A. Morrison <phython@gcc.gnu.org>
11678 PR middle-end/21137
11679 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11680 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11681 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11682 signedness of the shift operation.
11684 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11686 PR tree-optimization/26359
11687 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11689 2006-02-25 Roger Sayle <roger@eyesopen.com>
11691 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11692 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11693 as X == 0, and some symmetry related transformations.
11694 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11696 2006-02-25 Roger Sayle <roger@eyesopen.com>
11698 PR middle-end/23673
11699 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11700 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11701 symmetry related transformations. Fold (X^C1) == C2 as
11704 2006-02-25 Juergen Weigert <jw@suse.de>
11705 Richard Guenther <rguenther@suse.de>
11707 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11709 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11711 * combine.c (gen_lowpart_or_truncate): Call
11712 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11714 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11716 * doc/invoke.texi: Move -fopenmp description to "Options for
11718 Remove reference to -lgomp.
11720 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11722 * doc/install.texi: Require GNU tar version 1.14.
11724 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11726 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11727 * doc/invoke.texi (C++ Dialect Options): Document
11728 -fno-use-cxa-get-exception-ptr.
11729 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11730 * configure: Regenerate.
11731 * c.opt (fuse-cxa-get-exception-ptr): New.
11732 * c-opts.c (c_common_handle_option): Handle
11733 OPT_fuse_cxa_get_exception_ptr.
11734 * c-common.c (flag_use_cxa_atexit): Update documentation.
11735 (flag_use_cxa_get_exception_ptr): New.
11736 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11737 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11739 (C_COMMON_OVERRIDE_OPTIONS): New.
11741 2006-02-24 Roger Sayle <roger@eyesopen.com>
11743 PR middle-end/24952
11744 * combine.c (try_combine): Explicitly check whether GET_CODE is
11745 a SET or a CLOBBER, instead on checking that it isn't a USE.
11747 2006-02-24 Roger Sayle <roger@eyesopen.com>
11749 * fold-const.c (fold_comparison): New subroutine of fold_binary
11750 containing transformations common to both the equality and
11751 ordering relational operators, factored out of fold_binary.
11752 (fold_binary): Separate out the equality operators (EQ_EXPR
11753 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11754 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11755 transformations common to both.
11756 (fold_div_compare): Fix latent bugs in the previously unreachable
11757 LT_EXPR and GE_EXPR cases.
11759 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11761 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11762 decl libname for clog to __clog on AIX.
11764 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11766 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11769 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11770 output traceback table for thunks. Localise rs6000_stack_info call.
11772 2006-02-23 Roger Sayle <roger@eyesopen.com>
11773 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11775 * gthr-posix.h (__gthrw): Fix typo in comment.
11777 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11779 * doc/cpp.texi (Character sets): Document that we do support
11780 input files to be in any character set.
11782 2006-02-23 Jeff Law <law@redhat.com>
11784 * tree.h (PHI_ARG_NONZERO): Remove.
11785 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11786 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11787 node to the new node.
11789 PR tree-optimization/26425
11790 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11791 min/max, then assume its varying.
11793 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11795 PR rtl-optimization/26316
11796 * rtlanal.c (enum may_trap_p_flags): New.
11797 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11798 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11799 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11800 (may_trap_after_code_motion_p): New function.
11801 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11802 (find_invariant_insn): Use may_trap_after_code_motion_p.
11803 * rtl.h (may_trap_after_code_motion_p): Declare.
11805 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11807 * emit-rtl.c (immed_double_const): Cleanup.
11809 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11811 Fix PR tree-optimization/26376
11812 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11815 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11817 PR middle-end/26412
11818 * gimplify.c (omp_add_variable): Guard variable size decl test with
11819 DECL_SIZE (decl) check.
11821 2006-02-23 Richard Guenther <rguenther@suse.de>
11823 PR middle-end/26439
11824 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11825 like aggregate types.
11827 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11829 * configure.ac: Add --with{,out}-long-double-128 configure option.
11830 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11831 * configure: Rebuilt.
11832 * config.in: Rebuilt.
11833 * doc/install.texi (Options specification): Document
11834 --with-long-double-128.
11836 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11837 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11838 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11839 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11841 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11843 * config/s390/s390.c (override_options): Handle
11844 TARGET_DEFAULT_LONG_DOUBLE_128.
11846 * config/alpha/alpha.c (override_options): Handle
11847 TARGET_DEFAULT_LONG_DOUBLE_128.
11849 * config/sparc/sparc.c (sparc_override_options): Handle
11850 TARGET_DEFAULT_LONG_DOUBLE_128.
11852 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11854 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11855 (real-install-headers-tar, real-install-headers-cpio)
11856 (real-install-headers-cp): New targets.
11858 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11860 * tree.h (variable_section): Delete.
11861 * varasm.c (variable_section): Delete.
11863 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11865 * install.texi: Add notes on install.texi2html.
11866 (Building in parallel): Do not use footnotes.
11868 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11871 * doc/install.texi (Configuration): Document --disable-libgomp.
11873 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11875 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11877 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11879 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11880 (vec_extractv2df_0_sse): New.
11882 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11884 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11885 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11886 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11887 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11888 to the result of the expression.
11889 (def_cfa_1): Adjust.
11890 (frame_pointer_cfa_offset): Rename to...
11891 (frame_pointer_fb_offset): ... this. Adjust all uses.
11892 (convert_cfa_to_loc_list): Rename to...
11893 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11894 Pass it on to build_cfa_loc.
11895 (compute_frame_pointer_to_cfa_displacement): Rename to...
11896 (compute_frame_pointer_to_fb_displacement): ... this. New
11897 offset parameter. Use it in computation.
11898 (gen_subprogram_die): Compute cfa_fb_offset with the new
11899 macro, and use it to compute the fb loc list and the
11902 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11904 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11905 replaced with register_operand.
11906 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11907 non-DREG is expensive.
11908 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11909 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11912 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11914 * doc/install.texi2html: Use set -e.
11916 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11918 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11919 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11920 * doc/invoke.texi (-fshared-data): Delete.
11921 * common.opt (fshared-data): Delete.
11922 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11923 (assemble_static_space): Remove #if 0 code.
11924 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11925 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11926 * config/cris/cris.h: Remove FIXME.
11928 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11930 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11933 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11935 PR middle-end/26379
11936 * combine.c (simplify_shift_const_1): Disable nested shifts
11937 optimization for vector shifts.
11939 2006-02-20 Roger Sayle <roger@eyesopen.com>
11941 PR tree-optimization/26361
11942 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11943 of unsigned integer types.
11945 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11947 * tree-chrec.c (eq_evolutions_p): New.
11948 * tree-chrec.h (eq_evolutions_p): Declared.
11949 * tree-data-ref.c: Fix formatting.
11950 (datadep_stats, dependence_stats): New.
11952 (print_direction_vector): New.
11953 (dump_data_dependence_relation): Use print_direction_vector.
11954 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11955 (compute_subscript_distance): Static.
11956 (initialize_data_dependence_relation): Static. Get the number
11957 of loops surrounding the references from the callers, and initialize
11958 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11959 base_object_differ_p analyzers.
11960 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11961 compute_overlap_steps_for_affine_1_2,
11962 analyze_subscript_affine_affine): Count the classified dependences.
11963 Print a message when a test failed.
11964 (can_use_analyze_subscript_affine_affine): New.
11965 (analyze_siv_subscript): Compute the data dependences on symbolic
11966 scevs that verify can_use_analyze_subscript_affine_affine.
11967 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11968 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11969 Handle symbolic scevs.
11970 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11972 (subscript_dependence_tester): Moved...
11973 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11974 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11975 DDR_SIZE_VECT instead of getting it in parameter.
11976 (subscript_dependence_tester): ... here. Take as a parameter
11977 loop_nest_depth. Call build_classic_dist_vector and
11978 build_classic_dir_vector.
11979 (compute_affine_dependence): Update subscript_dependence_tester
11980 parameters. Update datadep_stats counters. Call
11981 compute_subscript_distance.
11982 (compute_self_dependence): Save the dist and dir vectors. Call
11983 compute_subscript_distance.
11984 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11985 (compute_all_dependences): Reorder parameters as they were before
11986 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11987 compute_subscript_distance. Update the use of
11988 compute_affine_dependence and initialize_data_dependence_relation.
11989 (find_data_references_in_loop): Handle COMPONENT_REF.
11990 (compute_data_dependences_for_loop): Initialize dependence_stats.
11991 Don't call build_classic_dist_vector and build_classic_dir_vector.
11992 Update the parameters of initialize_data_dependence_relation and
11993 compute_all_dependences. Print the statistics from datadep_stats.
11994 (analyze_all_data_dependences): Static. Not used until the pass for
11995 checking the data dependences is contributed.
11996 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11997 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11998 (initialize_data_dependence_relation, compute_affine_dependence,
11999 analyze_all_data_dependences, compute_subscript_distance): Removed.
12000 (print_direction_vector): New.
12001 * lambda.h (gcd): ... here.
12002 (lambda_vector_gcd): Moved here from gcd_vector.
12003 * lambda-code.c (gcd, gcd_vector): Removed.
12004 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12005 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12007 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12009 * ipa-type-escape.c: Tidy some comments and white space.
12010 * tree-ssa-operands.c: Likewise.
12012 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12015 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12016 (dump_decl_name): Do not walk the decl tree chains.
12017 * tree-pass.h (TDF_CHAIN): Remove.
12019 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12021 * Makefile.in (C): Remove
12023 (.PHONY): Remove C and PROTO
12025 2006-02-20 Roger Sayle <roger@eyesopen.com>
12027 PR middle-end/26236
12028 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12029 deprecated CHAR_TYPE tree code.
12031 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12033 * configure.ac (target_list): Add install-info, dvi, html.
12034 * configure: Regenerate.
12036 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12037 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12038 treelang/Make-lang.in: Do not use double-colon rules.
12040 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12042 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12043 (TMT_USED_ALONE): New macro.
12044 * tree-pass.h (PROP_tmt_usage): New property.
12045 (TODO_update_tmt_usage): New todo.
12046 * tree-ssa-alias.c (updating_used_alone): New variable.
12047 (recalculate_used_alone): New function.
12048 (compute_may_aliases): Set updating_used_alone, call
12049 recalculate_used_alone.
12050 * tree-sra.c (pass_sra): Note that this pass destroys
12051 PROP_tmt_usage, and add TODO_update_tmt_usage.
12052 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12053 * tree-flow.h (updating_used_alone): Prototype.
12054 (recalculate_used_alone): Ditto.
12055 * passes.c (execute_todo): Add code to set updating_used_alone,
12056 and call recalculate.
12057 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12058 for clobber if used alone, and add assert to verify used_alone
12061 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12063 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12064 for non tls symbols added.
12065 (legitimize_address): Do nothing for PLUS expressions if one of the
12066 addends is a tls symbol reference.
12068 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12072 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12074 * Makefile.in (BOOTSTRAPPING): New.
12075 (quickstrap): New definition if BOOTSTRAPPING=yes.
12077 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12078 * configure.ac: Substitute all_selected_languages with the languages
12079 that were configured. For all the other variables except
12080 lang_specs_files, include all the languages in the tree.
12081 * configure: Regenerate.
12083 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12084 if there is one. Run the commands to run fixincludes in the same
12087 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12088 * doc/install.texi: Document exact conventions for searching target tools.
12089 Document --with-build-time-tools. Document toplevel bootstrap. Document
12090 something more about building an Ada cross-compiler. Don't list GNU Make
12091 requirements which affect all platforms.
12093 2006-02-19 Roger Sayle <roger@eyesopen.com>
12095 PR middle-end/19543
12096 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12097 only equivalent if the have both the same mode and precision.
12099 2006-02-20 Ben Elliston <bje@au.ibm.com>
12101 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12103 2006-02-19 Roger Sayle <roger@eyesopen.com>
12104 Steven Bosscher <stevenb.gcc@gmail.com>
12106 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12107 constant pool references to identify stack mode constants.
12108 * rtlanal.c (constant_pool_constant_p): New predicate to check
12109 whether operand is a floating point constant in the pool.
12110 * rtl.h (constant_pool_constant_p): Prototype here.
12111 * loop.c (scan_loop): Avoid hoisting constants from the constant
12112 pool on STACK_REGS targets.
12113 (load_mems): Likewise.
12114 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12115 loads into x87 registers expensive in terms of register pressure.
12117 2006-02-19 Roger Sayle <roger@eyesopen.com>
12119 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12120 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12122 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12124 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12125 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12127 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12129 * doc/invoke.texi: Document -fipa-pta.
12130 * common.opt: Add ipa-pta option.
12131 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12132 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12133 (do_ds_constraint): Ditto.
12134 (get_constraint_for): Only add to referenced_vars if
12135 referenced_vars exists.
12136 (insert_into_field_list): Rewrite to do this unsorted.
12137 (insert_into_field_list_sorted): Rename old insert_into_field_list
12139 (create_function_info_for): Use insert_into_field_list_sorted.
12140 (create_variable_info_for): Rewrite so it uses unsorted version,
12141 since the field list is sorted.
12142 (intra_create_variable_infos): Only add to referenced_vars if
12143 referenced_vars exists.
12144 (ipa_pta_execute): Init heapvars, and delete when done.
12145 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12147 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12149 * doc/install.texi: Add missing `@samp'.
12151 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12153 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12156 2006-02-18 Mark Wielaard <mark@klomp.org>
12158 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12159 who added new 4.1 features, bug fixes and integration support.
12161 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12164 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12165 MEM for ABI_V4 pic.
12167 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12169 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12170 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12171 (copy_insn_1): Likewise. Don't copy each field individually.
12173 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12175 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12176 * rtl.c (rtx_size): Rename variable to...
12177 (rtx_code_size): ...this.
12178 (rtx_size): New function.
12179 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12180 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12182 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12183 * rtl.h (rtx_code_size): New variable.
12184 (rtx_size): Change from a variable to a function.
12185 (RTX_SIZE): Rename to...
12186 (RTX_CODE_SIZE): ...this.
12189 PR tree-optimization/17106
12190 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12191 (Anchored Addresses): New section.
12192 * doc/invoke.texi (-fsection-anchors): Document.
12193 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12194 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12195 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12196 * hooks.c (hook_bool_mode_rtx_false): New function.
12197 * hooks.h (hook_bool_mode_rtx_false): Declare.
12198 * gengtype.c (create_optional_field): New function.
12199 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12200 SYMBOL_REF_IN_BLOCK_P is true.
12201 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12202 (min_anchor_offset, max_anchor_offset): Likewise.
12203 (use_anchors_for_symbol_p): New hook.
12204 * toplev.c (compile_file): Call output_object_blocks.
12205 (target_supports_section_anchors_p): New function.
12206 (process_options): Check that -fsection-anchors is only used on
12207 targets that support it and when -funit-at-a-time is in effect.
12208 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12209 if the decl doesn't have one.
12210 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12211 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12212 of force_const_mem through use_anchored_address.
12213 (expand_expr_constant): New function.
12214 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12215 calling expand_expr for INDIRECT_REF.
12216 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12217 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12218 * expr.h (use_anchored_address): Declare.
12219 * loop-unroll.c: Don't declare rtx vectors here.
12220 * explow.c: Include output.h.
12221 (validize_mem): Call use_anchored_address.
12222 (use_anchored_address): New function.
12223 * common.opt (-fsection-anchors): New switch.
12224 * varasm.c (object_block_htab, anchor_labelno): New variables.
12225 (hash_section, object_block_entry_eq, object_block_entry_hash)
12226 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12227 (use_blocks_for_decl_p, change_symbol_section): New functions.
12228 (get_variable_section): New function, split out from assemble_variable.
12229 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12230 use_blocks_for_decl_p say so. Use change_symbol_section if the
12231 symbol has already been created.
12232 (assemble_variable_contents): New function, split out from...
12233 (assemble_variable): ...here. Don't output any code for
12234 block symbols; just pass them to place_block_symbol.
12235 Use get_variable_section and assemble_variable_contents.
12236 (get_constant_alignment, get_constant_section, get_constant_size): New
12237 functions, split from output_constant_def_contents.
12238 (build_constant_desc): Create a block symbol if use_object_blocks_p
12239 says so. Or into SYMBOL_REF_FLAGS.
12240 (assemble_constant_contents): New function, split from...
12241 (output_constant_def_contents): ...here. Don't output any code
12242 for block symbols; just pass them to place_section_symbol.
12243 Use get_constant_section and get_constant_alignment.
12244 (force_const_mem): Create a block symbol if use_object_blocks_p and
12245 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12246 (output_constant_pool_1): Add an explicit alignment argument.
12247 Don't switch sections here.
12248 (output_constant_pool): Adjust call to output_constant_pool_1.
12249 Switch sections here instead. Don't output anything for block symbols;
12250 just pass them to place_block_symbol.
12251 (init_varasm_once): Initialize object_block_htab.
12252 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12253 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12254 (place_block_symbol, get_section_anchor, output_object_block)
12255 (output_object_block_htab, output_object_blocks): New functions.
12256 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12257 (TARGET_ASM_OUT): Include it.
12258 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12259 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12260 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12261 (TARGET_INITIALIZER): Include them.
12262 * rtl.c (rtl_check_failed_block_symbol): New function.
12263 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12264 (block_symbol, object_block): New structures.
12265 (rtx_def): Add a block_symbol field to the union.
12266 (BLOCK_SYMBOL_CHECK): New macro.
12267 (rtl_check_failed_block_symbol): Declare.
12268 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12269 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12270 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12271 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12272 * output.h (output_section_symbols): Declare.
12273 (object_block): Name structure.
12274 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12275 (default_use_anchors_for_symbol_p): Declare.
12276 * Makefile.in (RTL_BASE_H): Add vec.h.
12277 (explow.o): Depend on output.h.
12278 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12279 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12280 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12281 (rs6000_use_blocks_for_constant_p): New function.
12283 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12285 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12287 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12290 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12293 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12295 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12299 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12301 PR middle-end/26334
12302 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12303 instead of DECL_REGISTER.
12305 2006-02-18 Olivier Hainque <hainque@adacore.com>
12308 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12310 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12313 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12314 * opth-gen.awk: Handle Var and InverseMask together.
12315 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12316 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12317 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12318 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12320 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12321 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12322 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12323 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12324 LINUX_DYNAMIC_LINKER): Define.
12325 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12326 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12328 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12329 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12330 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12331 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12332 (TARGET_C99_FUNCTIONS): Don't define.
12333 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12334 GLIBC_DYNAMIC_LINKER.
12335 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12336 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12337 GLIBC_DYNAMIC_LINKER64): Define.
12338 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12339 LINUX_DYNAMIC_LINKER64.
12340 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12341 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12342 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12343 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12344 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12345 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12346 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12347 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12348 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12349 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12350 and LINUX_DYNAMIC_LINKER32.
12351 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12352 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12353 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12354 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12355 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12357 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12358 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12359 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12360 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12361 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12362 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12363 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12364 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12365 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12366 LINUX_DYNAMIC_LINKER): Define.
12367 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12368 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12369 GLIBC_DYNAMIC_LINKER64): Define.
12370 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12371 LINUX_DYNAMIC_LINKER64.
12372 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12373 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12374 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12375 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12376 LINUX_DYNAMIC_LINKER): Define.
12377 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12378 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12379 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12380 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12381 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12382 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12383 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12384 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12385 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12386 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12387 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12388 * doc/invoke.texi (-muclibc): Remove caveat about supported
12391 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12393 * doc/cpp.texi (__TIMESTAMP__): Document.
12395 2006-02-17 Roger Sayle <roger@eyesopen.com>
12397 PR middle-end/25600
12398 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12399 C is one less than the width of X (and related transformations).
12400 * simplify-rtx.c (simplify_unary_operation_1): Transform
12401 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12402 depending on STORE_FLAG_VALUE, were C is one less then the
12405 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12407 Fix PR tree-optimization/26341
12408 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12409 about NAME_MEMORY_TAG's.
12411 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12414 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12415 with hardware float support, and software float support. Add fcpy
12416 alternative to hardware patterns. Add alternatives to copy between
12417 general and floating-point registers to the 32-bit pattern.
12418 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12419 secondary reload to load a QI or HI mode constant into a floating
12421 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12422 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12424 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12427 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12429 (load_macho_picbase_di): Likewise.
12431 2006-02-16 Jeff Law <law@redhat.com>
12433 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12434 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12435 (ssa_name_nonzero_p): Likewise.
12436 (get_value_range): Return NULL if VRP is not running.
12437 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12438 VRP routines do not discover a range.
12439 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12440 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12441 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12442 (tree_expr_nonnegative_p): Similarly.
12443 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12444 (restore_nonzero_vars_to_original_value): Remove.
12445 (unsafe_associative_fp_binop): Remove.
12446 (tree_ssa_dominator_optimize): Remove initialization and
12447 finalization of nonzero_vars and nonzero_vars_stack.
12448 (dom_opt_initialize_block): No longer push marker on
12449 nonzero_vars_stack.
12450 (dom_opt_finalize_block): No longer call
12451 restore_nonzero_vars_to_original_value.
12452 (record_equivalences_from_phis): No longer look for
12453 nonzero PHI arguments.
12454 (cprop_into_successor_phis): No longer propagate nonzero
12455 property into PHI arguments. Lose unused argument. Caller
12457 (record_equivalences_from_stmt): No longer record nonzero
12458 values for SSA_NAMEs.
12459 (lookup_avail_expr): No longer use nonzero_vars.
12461 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12462 for sizetype when sizetype is unsigned.
12464 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12466 PR rtl-optimization/25603
12467 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12468 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12469 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12470 with new meaning of SETS.
12472 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12477 * config/linux.opt: New file.
12478 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12479 LINUX_DYNAMIC_LINKER): Define.
12480 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12481 * config.gcc (*-*-linux*): Define extra_options.
12482 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12483 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12484 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12485 GLIBC_DYNAMIC_LINKER.
12486 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12487 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12488 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12489 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12490 * doc/invoke.texi (GNU/Linux Options): New section.
12492 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12494 * config/sparc/sparc.md (setjmp): Rewrite.
12495 (setjmp_32): Delete.
12496 (setjmp_64): Likewise.
12498 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12500 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12503 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12505 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12508 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12510 PR rtl-optimization/26296
12511 * Makefile.in (loop-invariant.c): Add except.h dependency.
12512 * loop-invariant.c: Include except.h.
12513 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12515 2005-02-16 Paul Brook <paul@codesourcery.com>
12517 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12520 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12522 PR rtl-optimization/25636
12523 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12524 when deciding whether an insn is an initializing insn.
12526 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12528 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12529 (tree_code_size): Ditto.
12530 * tree.h (struct tree_memory_tag): Remove parent_var.
12531 (struct tree_struct_field_tag): New.
12534 (union tree_node): Add sft member.
12535 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12537 (create_sft): Add size and offset argument, set SFT_OFFSET and
12539 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12540 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12541 * tree-flow-inline.h (get_subvar_at): Update for
12542 SFT_OFFSET/SFT_SIZE.
12543 (var_can_have_subvars): Ditto.
12544 (overlap_subvar): Ditto.
12545 * print-tree.c (print_node): Print out interesting things for
12547 * tree-flow.h (struct subvar): Remove offset and size members.
12548 * tree-ssa-operands.c (get_expr_operands): Update for
12549 get_indirect_ref_operands changes.
12550 (get_indirect_ref_operands): Call add_virtual_operand instead of
12551 add_stmt_operand. Only recurse on base var if requested.
12552 (access_can_touch_variable): New function.
12553 (add_stmt_operand): Split virtual operand handling into ...
12554 (add_virtual_operand): Here. Add offset, size, and for_clobber
12555 arguments. Prune alias sets.
12556 (add_call_clobber_ops): Call add_virtual_operand.
12558 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12560 PR middle-end/26300
12561 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12563 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12564 than TREE_CODE as index into omp_clause_num_ops array.
12566 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12568 PR rtl-optimization/26184
12569 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12571 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12572 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12573 must_precede, must_follow and tobe_scheduled.
12576 * opts.c (common_handle_option): Free new_option pointer.
12577 * df-core.c (df_analyze): Free postorder pointer.
12579 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12581 * Makefile.in: Fix the examples about the use of stamps
12583 2006-02-15 Michael Matz <matz@suse.de>
12585 PR middle-end/22275
12587 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12588 influenced by maximum_field_alignment or DECL_PACKED.
12589 (update_alignment_for_field): Ditto.
12590 (place_field): Ditto.
12591 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12594 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12596 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12597 (debug_flow_info): Pass it.
12598 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12599 * bb-reorder.c (reorder_basic_blocks): Likewise.
12600 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12601 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12602 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12603 * gcse.c (gcse_main, bypass_jumps): Likewise.
12604 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12605 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12606 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12607 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12608 * rtl.h (dump_flow_info): Adjust prototype.
12609 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12610 * var-tracking.c (variable_tracking_main): Likewise.
12611 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12612 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12615 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12617 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12620 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12622 PR tree-optimization/26209
12623 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12624 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12626 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12628 2006-02-14 Roger Sayle <roger@eyesopen.com>
12630 PR middle-end/23670
12631 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12632 (X,Y) and the corresponding symmetry related transformations.
12633 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12634 (X,Y) and its symmetry related transformations.
12636 2006-02-14 Roger Sayle <roger@eyesopen.com>
12638 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12641 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12643 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12645 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12648 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12649 support COMDAT group.
12650 * configure: Regenerate.
12652 2006-02-14 Roger Sayle <roger@eyesopen.com>
12654 PR middle-end/26279
12655 PR middle-end/26280
12656 PR middle-end/26283
12657 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12659 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12661 Fix PR tree-optimization/26260
12663 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12665 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12666 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12667 * tree-ssa-structalias.c (create_variable_info_for): Use
12668 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12670 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12672 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12674 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12675 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12676 of the ending condition.
12677 * tree-ssa-loop-manip.c: Include params.h.
12678 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12679 tree_unroll_loop): New functions.
12680 * tree-pass.h (pass_loop_prefetch): Declare.
12681 * loop.c (rest_of_handle_loop_optimize): Test for
12682 -fprefetch-loop-arrays-rtl.
12683 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12684 * timevar.def (TV_TREE_PREFETCH): New timevar.
12685 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12686 pass_loop_prefetch): New.
12687 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12688 (cleanup_tree_cfg_loop): Call scev_reset.
12689 * common.opt (fprefetch-loop-arrays-rtl): Add.
12690 * tree-ssa-loop-prefetch.c: New file.
12691 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12692 (new_temp_expr_table): Initialize expr_vars.
12693 (free_temp_expr_table): Cleanup expr_vars.
12694 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12695 expressions from being merged into one.
12696 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12697 (struct tree_niter_desc): Add control, bound and cmp fields.
12698 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12700 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12701 (tree-cfgcleanup.o): Add SCEV_H dependency.
12702 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12703 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12705 2006-02-14 Richard Guenther <rguenther@suse.de>
12707 PR tree-optimization/26258
12708 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12709 in PHI argument processing.
12711 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12713 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12714 new expression in the requested machine mode.
12716 2006-02-13 Roger Sayle <roger@eyesopen.com>
12718 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12719 directly, instead let do_compare_rtx_and_jump handle this for us.
12720 * expr.c (expand_expr_real_1): Likewise.
12721 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12722 before do_jump_by_parts_greater.
12723 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12724 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12726 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12728 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12730 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12732 PR rtl-optimization/26235
12733 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12734 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12737 2006-02-13 Jeff Law <law@redhat.com>
12739 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12742 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12744 PR middle-end/26092
12745 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12746 twice if decl is a builtin. When trying again, call get_callee_fndecl
12747 first to verify it is still a builtin.
12749 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12751 * dwarf2out.c (base_type_die): Don't add AT_name here.
12752 (subrange_type_die): Don't add AT_name here.
12753 (modified_type_die): Rearrange code flow. Do add AT_name here.
12755 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12757 PR rtl-optimization/26247
12758 PR rtl-optimization/26248
12759 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12761 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12763 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12764 * config/fixtfdi.c: Likewise.
12765 * config/fixunstfdi.c: Likewise.
12766 * config/floatditf.c: Likewise.
12768 2006-02-13 Roger Sayle <roger@eyesopen.com>
12770 PR middle-end/24427
12771 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12772 into (X,C2) if C1 is a subset of the bits of C2. Transform
12773 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12775 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12777 2006-02-13 Josh Conner <jconner@apple.com>
12780 * varasm.c (function_section): Check for section name before
12781 calling select_section on targets that define
12782 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12783 unlikely_text_section instead of hot_function_section if
12784 first_function_block_is_cold.
12786 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12788 PR middle-end/25335
12789 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12791 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12793 PR rtl-optimization/26222
12794 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12795 after tree->rtl expansion.
12796 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12797 before passing it to emit_move_insn.
12799 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12801 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12803 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12804 Clarify documentation.
12805 * c-common.h (warn_write_strings): Remove.
12806 * c-common.c (warn_write_strings): Likewise.
12807 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12810 2006-02-12 Roger Sayle <roger@eyesopen.com>
12812 PR middle-end/25724
12813 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12814 (do_jump_parts_zero_rtx): New function renamed from
12815 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12816 (do_jump_parts_equality_rtx): New function split out from
12817 do_jump_parts_equality. Old implementation renamed as above.
12818 Call do_jump_parts_zero_rtx if either operand is zero.
12819 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12820 do all of the heavy lifting.
12821 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12822 calling either do_jump_by_parts_greater_rtx or
12823 do_jump_by_parts_equality_rtx.
12824 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12825 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12826 moved to do_compare_rtx_and_jump, call it directly.
12827 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12828 mode argument. Call do_compare_rtx_and_jump.
12829 (emit_case_nodes): Update calls to do_jump_if_equal.
12831 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12833 PR rtl-optimization/26225
12834 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12836 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12838 PR rtl-optimization/26232
12839 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12841 2006-02-11 Jason Merrill <jason@redhat.com>
12844 * tree-inline.c (declare_return_variable): Just don't use the
12845 modify target if it's a gimple complex reg and the return slot
12848 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12850 * doc/contrib.texi: Update my entry.
12852 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12854 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12856 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12858 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12861 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12863 * doc/invoke.texi (-floop-optimize2): Removed.
12864 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12865 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12866 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12867 * common.opt (floop-optimize2): Removed.
12868 (fmove-loop-invariants): Enabled by default.
12870 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12872 * tree-if-conv.c (combine_blocks): Free the result of
12873 get_loop_exit_edges.
12875 2006-02-10 Jeff Law <law@redhat.com>
12877 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12879 PR tree-optimization/26213
12880 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12881 loop trying to follow SSA_NAME_VALUE chains.
12883 2006-02-10 Richard Guenther <rguenther@suse.de>
12885 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12886 deal with structures that end in implicitly variable sized arrays.
12888 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12890 PR rtl-optimization/24762
12891 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12894 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12896 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12897 (struct ivopts_data): Add regs_used field.
12898 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12899 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12900 instead of loop_data->regs_used;
12901 (free_loop_data): Do not free aux fields for loops.
12902 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12903 and tree_ssa_iv_optimize_finalize.
12905 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12907 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12909 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12912 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12913 computing the effective result type.
12915 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12917 PR inline-asm/16194
12918 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12919 (tree_overlaps_hard_reg_set): Declare.
12920 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12921 type and signature to match function type expected by walk_tree.
12922 (tree_overlaps_hard_reg_set): New function.
12923 (decl_conflicts_with_clobbers_p): Rename to:
12924 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12925 Use tree_overlaps_hard_reg_set. Changed caller.
12926 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12927 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12928 * cris.c (cris_md_asm_clobbers): Likewise.
12930 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12932 * reload1.c (emit_input_reload_insns): Delete code that tries to
12933 inherit using find_equiv_reg.
12935 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12937 * c-common.h (flag_const_strings): Don't declare.
12938 * c-common.c (flag_const_strings): Remove.
12939 * c.opt (fconst_strings): Remove.
12940 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12941 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12942 (c_common_init_options): Don't set flag_const_strings.
12943 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12945 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12947 * arm.md (tlobits_cbranch): New pattern.
12948 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12949 testing a single bit.
12951 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12954 * tree-ssa-pre.c (create_component_ref_by_pieces):
12955 Handle RETURN_DECL like VAR_DECL.
12957 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12959 PR middle-end/26134
12960 * fold-const.c (fold_indirect_ref_1): Fold
12961 "*(foo *)&complexfoo" to "__real__ complexfoo"
12962 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12964 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12966 * tree-flow-inline.h (var_can_have_subvars):
12967 Volatile variables should not have subvariables.
12969 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12972 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12973 multiplying unsigned values.
12976 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12978 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12980 2006-02-08 Jason Merrill <jason@redhat.com>
12983 * tree.def: Elaborate on difference from MODIFY_EXPR.
12984 * doc/c-tree.texi (INIT_EXPR): Likewise.
12985 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12986 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12987 (gimplify_target_expr): Likewise.
12988 (gimplify_cond_expr): Remove target handling.
12989 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12990 (gimplify_expr): Clobber it here.
12991 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12992 Do return slot optimization if we have an INIT_EXPR.
12995 * tree-inline.c (declare_return_variable): Also clear
12996 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12999 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13001 PR middle-end/22439
13002 * gimplify.c (gimplify_one_sizepos): Fix typo.
13004 2006-02-08 Jeff Law <law@redhat.com>
13006 PR tree-optimization/21417
13007 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13008 across a backedge if the control statement at the end of the
13009 block is data dependent on other statements in the same block.
13010 (record_temporary_equivalences_from_stmts): Remove over-conservative
13011 test for threading across backedges.
13013 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13014 control statement, handle all three special cases in the same
13015 manner as they all have the same desired solution. No longer
13016 special case edge flag updating when the post dominator is
13019 2006-02-08 Roger Sayle <roger@eyesopen.com>
13021 * tree.def (CHAR_TYPE): Remove.
13022 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13023 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13024 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13025 (gen_string_type_die): Delete unreachable function.
13027 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13028 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13029 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13030 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13031 * builtins.c (type_to_class): Likewise.
13032 * fold-const.c (fold_convert, build_range_check,
13033 merge_ranges): Likewise.
13034 * expr.c (count_type_elements): Likewise.
13035 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13036 * stor-layout.c (layout_type): Likewise.
13037 * ipa-type-escape.c (type_to_consider): Likewise.
13038 * gimplify.c (omp_firstprivatize_type_sizes,
13039 gimplify_type_sizes): Likewise.
13040 * explow.c (promote_mode): Likewise.
13041 * tree-sra.c (is_sra_scalar_type): Likewise.
13042 * varasm.c (output_constant): Likewise.
13043 * tree-inline.c (remap_type_1): Likewise.
13044 * convert.c (convert_to_pointer, convert_to_real,
13045 convert_to_integer, convert_to_complex): Likewise.
13047 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13049 * df-scan.c (df_def_record_1): A set destination may
13050 be a parallel regardless of mode.
13052 2006-02-08 Roger Sayle <roger@eyesopen.com>
13055 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13056 * config/mips/_tilib.c: Remove.
13057 * config/fixtfdi.c: New libgcc source file.
13058 * config/fixunstfdi.c: New source file.
13059 * config/floatditf.c: New source file.
13060 * config/floatunditf.c: New souce file.
13061 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13062 files above instead of config/mips/_tilib.c.
13063 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13065 2006-02-08 Jeff Law <law@redhat.com>
13067 PR tree-optimization/26169
13068 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13071 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13073 * df.h (DF_REG_SIZE): Return the length of the initialized
13076 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13078 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13079 __muldf3): Return a correctly signed zero.
13081 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13083 * passes.c (register_one_dump_file): Accept the current properties
13084 instead of pass number. Adjust call to dump_register. Remove
13086 (register_dump_files): Now a wrapper around...
13087 (register_dump_files_1): ... this one. Do not modify the pass
13089 (next_pass_1): Cosmetic fix.
13090 (execute_todo): Keep second parameter only. Use curr_properties
13091 instead of fetching it from the pass structure. Check and set
13093 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13094 instead of fetching it from the pass structure. Fix calls to
13095 execute_todo. Update curr_properties and initialize .vcg RTL dump
13096 after running the pass. Reset last_verified.
13097 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13099 (FIRST_AUTO_NUMBERED_DUMP): New.
13100 (dump_register): Remove "num" parameter, assign it within the
13102 (get_dump_file_name): Modify template for dumps.
13103 * tree-dump.h (dump_register): Adjust prototype.
13104 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13105 (PROP_trees): Add PROP_gimple_lomp.
13106 (TODO_set_props): New.
13107 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13108 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13109 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13111 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13113 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13114 (sparc64-*-linux*): Likewise.
13115 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13116 * config/sparc/t-linux: New file.
13117 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13118 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13119 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13120 -m32 -mlong-double-128.
13122 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13123 * config/alpha/t-linux: New file.
13124 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13126 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13127 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13128 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13129 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13130 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13131 (CPP_ARCH32_SPEC): Remove.
13133 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13135 PR tree-optimization/26145
13136 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13139 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13142 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13143 >= 240000 when generating code for SOM runtime.
13144 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13145 to $$dyncall when generating code for SOM runtime..
13147 2006-02-07 Dirk Mueller <dmueller@suse.com>
13150 * doc/invoke.texi (-Wsequence-point): Update documentation
13151 that -Wsequence-point is implemented for C++ as well.
13153 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13155 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13156 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13157 (LIB_SPEC): Likewise.
13158 * doc/invoke.texi (SPARC options): Document -pthread.
13160 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13162 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13165 2006-02-07 Roger Sayle <roger@eyesopen.com>
13167 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13168 Correct comment describing BOOLEAN_TYPE.
13170 2006-02-07 Dirk Mueller <dmueller@suse.com>
13172 * c.opt: C++ frontend supports -Wdiv-by-zero.
13173 * c-opts.c (c_common_handle_option): Remove dead case.
13175 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13177 * configure.ac (TLS assembler check): Do not enable TLS by
13178 default on SPARC/Solaris before version 10.
13179 * configure: Regenerate.
13181 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13183 * doc/invoke.texi (xl-compat): Document conversion and support
13186 2006-02-07 Jeff Law <law@redhat.com>
13188 * tree-vrp.c (find_conditional_asserts): Update comments.
13189 (simplify_stmt_for_jump_threading): New.
13190 (identify_jump_threads, finalize_jump_threads): New.
13191 (vrp_finalize): Call identify_jump_threads.
13192 (execute_vrp): Call finalize_jump_threads.
13193 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13194 (vrp_element, vrp_data, vrp_element_p): Remove.
13195 (vrp_hash_elt, vrp_variables_stack): Remove.
13196 (vrp_hash, vrp_eq, record_range): Remove.
13197 (simplify_cond_and_lookup_avail_expr): Remove.
13198 (extract_range_from_cond): Remove.
13199 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13200 (simplify_stmt_for_jump_threading): New.
13201 (dom_thread_across_edge): New wrapper.
13202 (tree_ssa_dominator_optimize): No longer initialize or
13203 finalize any of the VRP datastructures. Remove iteration
13204 step and simplify as a result of removal of iteration step.
13205 (pass_dominator): Perform a cfg cleanup after DOM.
13206 (dom_opt_finalize_block): Use the new common routines
13207 for threading jumps. Simplify stack management slightly.
13208 No longer need to unwind VRP state.
13209 (record_equivalences_from_incoming_edge): No longer record
13211 (eliminate_redundant_computations): No longer call
13212 simplify_cond_and_lookup_avail_expr.
13213 * tree-flow.h (potentially_threadable_block): Prototype.
13214 (thread_across_edge): Likewise.
13215 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13216 (tree-ssa-threadedge.o): Add dependencies.
13217 * tree-ssa-threadedge.c: New file.
13218 * passes.c (init_optimization_passes): Merge PHIs before
13219 calling VRP. Run VRP again late in the SSA optimization pipeline.
13221 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13223 * df-core.c (df_set_blocks): Do not dereference function pointers.
13224 (df_finish1): Likewise.
13225 (df_hybrid_search_forward): Likewise.
13226 (df_hybrid_search_backward): Likewise.
13227 (df_iterative_dataflow): Likewise.
13228 (df_analyze_problem): Likewise.
13229 (df_compact_blocks): Likewise.
13230 (df_dump): Likewise.
13231 * df-scan.c (df_rescan_blocks): Likewise.
13232 (df_record_entry_block_defs): Likewise.
13234 * genconditions.c (write_conditions): Guard the definition of
13235 'insn_conditions' with the check on GCC version.
13236 (write_writer): Guard the traversal 'insn_conditions' with
13237 the check on GCC version.
13239 2006-02-07 Richard Guenther <rguenther@suse.de>
13243 2006-01-30 Richard Guenther <rguenther@suse.de>
13245 * gimplify.c (gimplify_target_expr): Handle easy cases
13246 without creating a temporary.
13248 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13250 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13251 use of float in probability computations. Use edge probabilities
13252 in place of statically computed probabilities.
13253 (min_spec_prob): New static variable.
13254 (schedule_insns): Initialize it.
13255 (GET_SRC_PROB): Removed.
13256 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13258 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13261 * config/ia64/unwind-ia64.c: Revert last change.
13262 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13263 (INCOMING_FRAME_SP_OFFSET): Define.
13265 2006-02-06 Roger Sayle <roger@eyesopen.com>
13267 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13269 2006-02-07 Ben Elliston <bje@au.ibm.com>
13271 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13272 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13273 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13274 (ix86_return_in_memory): Handle TDmode.
13275 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13276 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13278 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13280 * reorg.c (dbr_schedule): Use dump_file instead of file.
13282 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13285 * config/ia64/predicates.md (extr_len_operand): New predicate.
13286 * config/ia64/ia64.md (extv): Tighten constraints.
13288 (*tbit_and_2): Ditto.
13289 (*tbit_and_3): Ditto.
13290 (*tbit_or_2): Ditto.
13291 (*tbit_or_3): Ditto.
13292 (*bit_zero): Ditto.
13295 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13298 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13300 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13302 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13303 loop_optimizer_init and loop_optimizer_finalize
13304 * tree-ssa-sink.c (execute_sink_code): Ditto.
13305 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13306 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13307 tree_ssa_loop_done): Ditto.
13308 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13309 * sched-ebb.c: Include output.h.
13310 (schedule_ebbs): Do not use dump argument.
13311 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13312 * loop.c (loop_dump_stream): Removed.
13313 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13315 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13316 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13317 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13318 loop_iterations, strength_reduce, record_biv, record_giv,
13319 final_giv_value, check_final_value, check_ext_dependent_givs,
13320 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13321 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13322 dump_file instead of loop_dump_stream.
13323 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13324 argument dump_file.
13325 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13327 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13328 * haifa-sched.c: Include output.h
13329 (schedule_insns, sched_init): Do not use dump argument.
13330 * mode-switching.c (optimize_mode_switching): Ditto.
13331 * modulo-sched.c (stats_file): Removed.
13332 (print_node_sched_params): Do not call argument dump_file.
13333 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13334 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13336 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13338 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13339 rtl_loop_init, rtl_loop_done): Ditto.
13340 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13341 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13343 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13344 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13345 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13346 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13347 * emit-rtl.c (renumber_insns): Ditto.
13348 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13349 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13350 * regclass.c (regclass): Ditto.
13351 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13352 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13353 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13354 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13356 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13357 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13359 * gcse.c (gcse_file, debug_stderr): Removed.
13360 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13361 rest_of_handle_gcse): Do not use dump argument.
13362 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13363 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13364 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13365 compute_code_hoist_vbeinout, compute_code_hoist_data,
13366 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13367 compute_store_table, build_store_vectors, insert_insn_start_bb,
13368 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13369 store_motion): Use dump_file instead of gcse_file.
13370 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13371 * profile.c (profile_dump_file): Removed.
13372 (branch_prob): Use dump_file instead of profile_dump_file.
13373 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13375 * tree-ssa-copy.c (dump_copy_of): Ditto.
13376 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13377 dump file to life_analysis.
13378 * bt-load.c (branch_target_load_optimize): Ditto.
13379 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13381 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13382 regclass, dbr_schedule): Declaration changed.
13383 * sched-int.h (sched_init): Declaration changed.
13384 * tree-profile.c (tree_profile_dump_file): Removed.
13385 (tree_profile_hooks): Removed profile_dump_file hook.
13386 * rtl-profile (rtl_profile_dump_file): Removed.
13387 (rtl_profile_hooks): emoved profile_dump_file hook.
13388 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13390 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13391 * tree-cfg.c (build_tree_cfg): Ditto.
13392 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13393 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13394 Declaration changed.
13395 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13396 life_analysis and schedule_insns.
13397 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13399 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13401 * config/mips/mips.c (mips_reorg): Ditto.
13402 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13405 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13407 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13408 (s390_mangle_fundamental_type): New.
13409 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13412 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13413 (alpha_mangle_fundamental_type): New.
13414 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13417 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13419 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13421 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13422 (sparc_mangle_fundamental_type): New.
13424 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13426 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13427 (s390x-*-linux*): Likewise.
13428 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13429 * config/s390/t-linux: New file.
13431 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13433 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13434 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13436 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13438 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13439 (ANTIC_SAFE_LOADS): New macro.
13440 (find_or_generate_expression): Add prototype.
13441 (set_contains_value): Allow null set for sake of not always having
13442 to allocate ANTIC_SAFE_LOADS.
13443 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13444 Allow COMPONENT_REF too.
13445 (valid_in_set): Allow COMPONENT_REF.
13446 Check ANTIC_SAFE_LOADS too.
13447 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13448 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13450 (can_PRE_operation): Add COMPONENT_REF.
13451 (create_component_ref_by_pieces): New function.
13452 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13453 (insert_aux): Move AGGREGATE_TYPE_P check here.
13454 (compute_avail): Set bb local stmt uids.
13455 (pass_pre): Use TODO_update_ssa_only_virtuals.
13457 2006-02-06 Ben Elliston <bje@au.ibm.com>
13459 * configure.ac: Unconditionally disable decimal float by default.
13460 * configure: Regenerate.
13462 2006-02-06 Ben Elliston <bje@au.ibm.com>
13464 * read-rtl.c (read_name): Terminate reading on EOF.
13466 2006-02-06 Ben Elliston <bje@au.ibm.com>
13468 * dfp.c (decimal_real_arithmetic): Change second argument type
13469 from int to enum tree_code. Do not always return true, but now
13470 return result of any call to decimal_do helper functions.
13471 * dfp.h (decimal_real_arithmetic): Update prototype.
13473 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13475 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13477 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13480 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13483 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13485 * tree-vrp.c (cfg_loops): Removed.
13486 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13487 Use current_loops instead of cfg_loops. Pass flags to
13488 loop_optimizer_init.
13489 * cfgloopmanip.c (fix_loop_structure): Update only available
13491 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13492 loop_optimizer_init.
13493 * modulo-sched.c (build_loops_structure): Removed.
13494 (sms_schedule): Use loop_optimizer_init.
13495 * loop-init.c (loop_optimizer_init): Use flags to determine
13496 which properties of loops to prepare.
13497 (rtl_loop_init): Pass flags to loop_optimizer_init.
13498 * tree-ssa-sink.c (execute_sink_code): Ditto.
13499 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13500 * tree-ssa-pre.c (init_pre): Ditto.
13501 * cfgloop.h (LOOPS_NORMAL): New.
13502 (loop_optimizer_init): Declaration changed.
13504 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13506 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13507 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13509 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13511 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13513 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13514 * pa/t-pa64: Delete quadlib.c rule.
13515 * pa/x-ada: Revert last change.
13516 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13518 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13520 PR rtl-optimization/26087
13521 * rtlanal.c (canonicalize_condition): Do not cross basic block
13524 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13527 * config/ia64/ia64.c: Include debug.h.
13528 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13529 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13530 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13531 (process_epilogue, process_set, process_for_unwind_directive):
13532 Output unwind info only if requested. Add CFA info if requested.
13533 Add new arguments as needed. Adjust callers.
13534 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13536 (DWARF2_FRAME_INFO): Define to zero.
13537 * config/ia64/unwind-ia64.c: Remove code that compensated for
13538 the CFA offset error fixed above.
13539 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13540 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13541 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13542 -funwind-tables and -fexceptions to enable frame info.
13543 (dwarf2out_frame_init): Define initial CFA even if
13544 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13545 DWARF2_UNWIND_INFO is nonzero, not just defined.
13546 (dwarf2out_frame_finish): Output non-EH call frame info only
13547 if DWARF2_FRAME_INFO is nonzero.
13548 (convert_cfa_to_loc_list,
13549 compute_frame_pointer_to_cfa_displacement): Define even if
13550 unwind info is not supported.
13551 (gen_subprogram_die): Use the above unconditionally. Remove
13552 legacy alternate code.
13553 * toplev.c (compile_file): Compile in call to
13554 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13555 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13557 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13558 Jakub Jelinek <jakub@redhat.com>
13560 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13561 IBM extended float format long double as "g" on powerpc*-linux.
13563 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13566 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13567 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13569 2006-02-03 Jason Merrill <jason@redhat.com>
13572 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13574 PR middle-end/25977
13575 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13576 on the return slot if it's an NRV.
13578 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13580 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13581 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13582 rewrite_use): Do not handle USE_OUTER.
13583 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13584 add_iv_outer_candidates, may_replace_final_value,
13585 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13586 (find_interesting_uses_op): Functionality of
13587 find_interesting_uses_outer_or_nonlin moved here.
13588 (find_interesting_uses_outside): Use find_interesting_uses_op.
13590 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13593 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13595 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13596 Ulrich Weigand <uweigand@de.ibm.com>
13599 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13600 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13601 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13602 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13604 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13605 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13606 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13607 Define secondary reloads for TFmode moves.
13608 (constant_modes): Add TFmode.
13609 (NR_C_MODES): Set to 8.
13610 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13612 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13613 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13614 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13615 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13616 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13617 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13618 (FPR mode macro): Add TFmode.
13619 (DSF mode macro): New.
13620 (<de>, <dee> mode attributes): Removed.
13621 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13622 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13623 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13624 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13625 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13626 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13627 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13628 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13629 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13630 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13631 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13632 "*negabs<mode>2", "sqrt<mode>2"):
13633 Changed <de> to <xde>. R constraint replaced by <Rf>.
13634 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13636 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13637 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13638 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13640 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13641 "extenddftf2", "extendsftf2"): New expanders.
13642 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13643 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13644 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13645 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13647 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13648 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13649 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13650 __floatditf): Add a GCC_4.1.0 symbol version tag.
13651 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13654 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13657 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13658 Use targetm.binds_local_p instead of TREE_PUBLIC.
13660 2006-02-02 Roger Sayle <roger@eyesopen.com>
13662 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13663 on INTEGER_TYPEs to indicate that it denotes a character type.
13664 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13665 signed_char_type_node, unsigned_char_type_node and char_type_node.
13666 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13667 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13668 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13670 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13671 Daniel Berlin <dberlin@dberlin.org>
13673 * tree-tailcall.c (arg_needs_copy_p): New function.
13674 (eliminate_tail_call): Use arg_needs_copy_p.
13675 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13676 (add_virtual_phis): New function.
13678 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13680 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13681 #ignore instead of #scratch for %g7 .register directive.
13683 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13685 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13688 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13690 * flow.c (calculate_global_regs_live): Assert that there aren't any
13693 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13695 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13696 what its name says.
13697 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13698 bsi_after_labels iterator.
13699 * tree-if-conv.c (find_phi_replacement_condition,
13700 replace_phi_with_cond_modify_expr): Likewise.
13701 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13702 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13704 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13706 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13708 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13711 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13712 array after growing it.
13714 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13716 PR middle-end/24901
13717 * fold-const.c (fold_checksum_tree): Change type of buf.
13719 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13721 * reload.c (push_secondary_reload): Initialize t_icode.
13723 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13725 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13726 -msoft-float -mlong-double-128 only issue a warning, but don't
13727 swich to DFmode long double.
13729 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13731 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13732 has a constant equivalent, iterate over equivalents for arg0,
13733 calling simplify_relational_operation and if there's a result
13734 cheaper than X, apply fold_rtx and return the result.
13736 2006-02-01 Jan Hubicka <jh@suse.cz>
13738 * opts.c (no_unit_at_a_time_default): New global variable.
13739 (decode_options): Use it.
13740 * opts.h (no_unit_at_a_time_default): Declare.
13742 2006-02-01 Paul Brook <paul@codesourcery.com>
13744 * function.c (assign_parm_setup_reg): Use function argument promotion
13746 * expr.c (expand_expr_real_1): Use function argument promotion rules
13749 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13751 * gcc.c (process_command): Change j to 'unsigned int'.
13753 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13755 PR middle-end/26001
13756 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13757 Use the corrected index for the character
13758 out of the string constant.
13760 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13762 * mode-switching.c (optimize_mode_switching): Fix size
13763 allocated for bb_info[n_entities].
13765 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13767 * gcc.c (main): Correct type that is allocated for
13768 explicit_link_files.
13770 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13772 * config/s390/s390.c (init_alignment_context): Set
13773 ALIAS_SET_MEMORY_BARRIER on the MEM.
13774 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13776 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13778 PR middle-end/25933
13779 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13781 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13784 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13786 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13787 * regrename.c: Ditto.
13788 * tree-ssa-loop-im.c: Ditto.
13789 * tree-dump.c: Ditto.
13790 * tree-complex.c: Ditto.
13791 * genrecog.c: Ditto.
13792 * tree-ssa-threadupdate.c: Ditto.
13794 * java/class.c: Ditto.
13795 * java/jcf-parse.c: Ditto.
13796 * java/resource.c: Ditto.
13797 * java/except.c: Ditto.
13798 * java/jvspec.c: Ditto.
13799 * java/jcf-write.c: Ditto.
13800 * java/jcf-path.c: Ditto.
13801 * java/gjavah.c: Ditto.
13802 * java/zextract.c: Ditto.
13803 * java/jcf-io.c: Ditto.
13804 * java/jcf.h: Ditto.
13805 * java/buffer.c: Ditto.
13806 * java/lang.c: Ditto.
13807 * java/parse-scan.y: Ditto.
13808 * java/lex.c: Ditto.
13809 * java/lex.h: Ditto.
13810 * cfgloopmanip.c: Ditto.
13811 * postreload-gcse.c: Ditto.
13812 * tree-ssa-loop-manip.c: Ditto.
13813 * postreload.c: Ditto.
13814 * tree-ssa-loop-ch.c: Ditto.
13817 * cppspec.c: Ditto.
13818 * diagnostic.c: Ditto.
13820 * genoutput.c: Ditto.
13822 * cfghooks.c: Ditto.
13823 * cfgloopanal.c: Ditto.
13824 * objc/objc-act.c: Ditto.
13826 * genextract.c: Ditto.
13827 * genautomata.c: Ditto.
13828 * pretty-print.c: Ditto.
13829 * genemit.c: Ditto.
13830 * cgraphunit.c: Ditto.
13832 * df-scan.c: Ditto.
13833 * haifa-sched.c: Ditto.
13834 * dominance.c: Ditto.
13836 * tree-ssa-loop-ivopts.c: Ditto.
13837 * df-core.c: Ditto.
13838 * mode-switching.c: Ditto.
13839 * modulo-sched.c: Ditto.
13841 * ipa-pure-const.c: Ditto.
13843 * fix-header.c: Ditto.
13845 * tree-stdarg.c: Ditto.
13846 * ipa-utils.c: Ditto.
13847 * loop-init.c: Ditto.
13848 * ipa-inline.c: Ditto.
13849 * cfganal.c: Ditto.
13851 * alloc-pool.c: Ditto.
13852 * dwarf2out.c: Ditto.
13854 * genattrtab.c: Ditto.
13855 * tree-ssa-loop-ivcanon.c: Ditto.
13856 * predict.c: Ditto.
13857 * timevar.c: Ditto.
13859 * fortran/gfortranspec.c: Ditto.
13860 * regmove.c: Ditto.
13861 * local-alloc.c: Ditto.
13862 * langhooks.c: Ditto.
13863 * function.c: Ditto.
13864 * tree-vectorizer.c: Ditto.
13866 * ipa-type-escape.c: Ditto.
13868 * tree-if-conv.c: Ditto.
13869 * profile.c: Ditto.
13871 * tree-data-ref.c: Ditto.
13872 * loop-unroll.c: Ditto.
13873 * treelang/treetree.c: Ditto.
13875 * bt-load.c: Ditto.
13876 * ggc-common.c: Ditto.
13878 * coverage.c: Ditto.
13880 * tree-cfgcleanup.c: Ditto.
13881 * tree-ssa-pre.c: Ditto.
13882 * cfgcleanup.c: Ditto.
13883 * loop-invariant.c: Ditto.
13884 * loop-iv.c: Ditto.
13885 * ipa-prop.c: Ditto.
13886 * print-tree.c: Ditto.
13887 * conflict.c: Ditto.
13888 * ggc-page.c: Ditto.
13889 * sched-deps.c: Ditto.
13890 * regclass.c: Ditto.
13891 * tree-object-size.c: Ditto.
13892 * combine.c: Ditto.
13893 * bb-reorder.c: Ditto.
13894 * resource.c: Ditto.
13895 * var-tracking.c: Ditto.
13896 * cfgloop.c: Ditto.
13897 * df-problems.c: Ditto.
13898 * reg-stack.c: Ditto.
13900 * gccspec.c: Ditto.
13901 * sched-rgn.c: Ditto.
13902 * tree-ssa-structalias.c: Ditto.
13903 * tree-ssa-reassoc.c: Ditto.
13904 * config/darwin-c.c: Ditto.
13905 * config/darwin.c: Ditto.
13906 * config/arm/arm.c: Ditto.
13908 * collect2.c: Ditto.
13909 * reload1.c: Ditto.
13911 2006-01-31 Nicolas Pitre <nico@cam.org>
13913 * arm.md (smaxsi3): Make aware of smax_m1.
13916 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13918 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13920 2006-01-31 Richard Guenther <rguenther@suse.de>
13922 * doc/invoke.texi (-msselibm): Document.
13923 * target.h (expand_library_builtin): New target hook.
13924 * builtins.c (expand_builtin): Use expand_library_builtin.
13925 (default_expand_library_builtin): New function.
13926 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13927 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13928 (link_gcc_math_spec): Declare.
13929 (static_specs): Add link_gcc_math_spec.
13930 * expr.h (default_expand_library_builtin): Declare.
13931 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13932 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13933 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13934 * config/i386/i386.opt (msselibm): New target option.
13935 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13936 (ix86_init_sse_abi_builtins): New function.
13937 (ix86_expand_library_builtin): Likewise.
13938 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13939 (override_options): Handle error conditions wrt -msselibm.
13940 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13941 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13942 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13945 2006-01-31 Richard Guenther <rguenther@suse.de>
13946 Paolo Bonzini <bonzini@gnu.org>
13948 * doc/install.texi (--disable-libgcc-math): Document.
13950 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13952 * expr.h (expand_normal): new inline function.
13953 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13954 * dojump.c: use it.
13955 * dwarf2out.c: use it.
13958 * expmed.c: use it.
13959 * except.c: use it.
13960 * config/sparc/sparc.c: use it.
13961 * config/i386/i386.c: use it.
13962 * config/rs6000/rs6000.c: use it.
13963 * config/arm/arm.c: use it.
13964 * config/mips/mips.c: use it.
13965 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13967 2006-01-30 Roger Sayle <roger@eyesopen.com>
13969 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13970 argv to the appropriate type.
13972 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13974 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13977 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13980 * config/s390/s390.c (struct machine_function): New flag
13981 decomposed_literal_pool_addresses_ok_p.
13982 (s390_reorg): Set it before final stage of literal pool transforms.
13983 (s390_decompose_address): Only accept displacements of the form
13984 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13986 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13988 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13989 the comparison routine return.
13991 2006-01-30 Michael Matz <matz@suse.de>
13993 * global.c (find_reg): Only evict for global regs.
13994 Take n_refs into account and dump more info.
13996 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13999 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14000 (pragma_trap, pragma_nosave_low_regs): Likewise.
14001 (current_function_anonymous_args): Likewise.
14002 (sh_deferred_function_attributes): New variable.
14003 (sh_deferred_function_attributes_tail): Likewise.
14004 (print_operand): For '@', look up trap_exit attribute.
14005 (calc_live_regs): Look up trapa_handler attribute. For trapa
14006 handlers, save/restore fpscr, but don't do any other
14007 interrupt-specific saves.
14008 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14009 Fix check for partially saved registers to check for SHmedia.
14010 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14011 (sh_output_function_epilogue): Don't clear any of the removed
14013 (sh_insert_attributes): Don't check pragma_interrupt.
14014 Insert deferred attributes. Check that interrupt attribute is
14015 present for other attributes that require its presence.
14016 (sh_attribute_table): Add new attributes trapa_handler and
14018 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14019 Don't check for pragma_interrupt. Don't store argument.
14020 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14021 (sh_deferred_function_attributes): Declare.
14022 (sh_deferred_function_attributes_tail): Likewise.
14023 * sh.md (sp_switch_1): Add operand. Change generator caller.
14024 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14025 (*return_i): Don't use when trap_exit attribute is in effect.
14026 (*return_trapa): New insn pattern.
14027 * sh-c.c: New file.
14028 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14029 setting c_target_objs and cxx_target_objs.
14030 * t-sh: Add rule for sh-c.o.
14032 2006-01-30 Richard Guenther <rguenther@suse.de>
14035 * gimplify.c (gimplify_target_expr): Handle easy cases
14036 without creating a temporary.
14038 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14040 * vec.h (safe_grow): Remove duplicated line.
14042 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14045 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14046 (expand_omp): ... here.
14047 (expand_omp_parallel): Only remove barriers for combined
14048 parallel+workshare constructs.
14050 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14054 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14055 * tree.c (build_qualified_type): Chain the new type to the original
14056 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14057 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14058 (build_pointer_type_for_mode): Only return unqualified types.
14059 (build_reference_type_for_mode): Likewise.
14061 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14063 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14064 * Makefile.in (CXX_COMPAT_WARN): Define.
14065 * configure: Regenerate.
14067 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14070 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14073 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14075 * toplev.c: Fix thinko.
14077 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14078 Marcin Dalecki <martin@dalecki.de>
14080 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14081 (push_srcloc): Use XNEW.
14082 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14084 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14086 * df-core.c (df_set_blocks): Deleted all variable.
14088 2006-01-28 Ian Lance Taylor <ian@airs.com>
14090 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14091 cgraph_output_pending_asms.
14093 2006-01-28 Zack Weinberg <zackw@panix.com>
14095 * c.opt: Add -W(no-)overlength-strings.
14096 * doc/invoke.texi: Document it.
14097 * c-opts.c (c_common_handle_option): -pedantic implies
14098 -Woverlength-strings, if not explicitly disabled already.
14099 (c_common_post_options): -Woverlength-strings defaults to off, and
14100 is always off for C++.
14101 * c-common.c (fix_string_type): Issue warning about strings longer
14102 than is portable only if warn_overlength_strings. Rearrange code
14103 a little for clarity.
14104 * configure.in: Check for -Wno-overlength-strings as well before
14105 enabling -pedantic in stage 1.
14106 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14107 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14109 * genconditions.c (write_header, write_one_condition)
14110 (write_conditions, write_writer): Consolidate very long strings
14111 that were broken up to fit in C89 portable limit. Don't use
14112 printf when fputs will do.
14114 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14116 * combine.c (simplify_comparison <AND>): Check
14117 TRULY_NOOP_TRUNCATION before start using a subreg.
14119 * config/mips/mips.md (*branch_zero<mode>,
14120 *branch_zero<mode>_inverted, *branch_equality<mode>,
14121 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14122 Remove mode check from comparisons.
14124 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14126 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14128 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14130 * expmed.c (const_mult_add_overflow_p): Remove.
14131 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14133 * recog.c (validate_replace_rtx_subexp): Remove.
14134 * recog.h: Remove the prototype for
14135 validate_replace_rtx_subexp.
14137 * integrate.h: Remove the prototype for
14138 copy_decl_for_inlining.
14139 * rtl.h: Remove the prototype for mark_constant_function.
14140 * tree-vectorizer.h: Remove the prototype for
14141 vect_strip_conversion.
14143 * modulo-sched.c (create_partial_schedule,
14144 free_partial_schedule, reset_partial_schedule): Make them
14147 * hooks.c (hook_bool_rtx_int_false): Remove.
14148 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14150 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14152 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14153 and -mlong-double-128 are incompatible.
14154 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14155 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14156 (TARGET_LIBGCC2_CFLAGS): Define.
14157 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14158 (TARGET_LIBGCC2_CFLAGS): Same.
14159 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14161 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14164 * c-typeck.c (build_binary_op): Perform implicit casts of
14165 operands before shortening them.
14167 * cfgloopmanip.c (split_loop_bb): Remove.
14168 * cfgloop.h: Remove the prototype for split_loop_bb.
14170 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14171 * cfgloop.h: Remove the prototype for
14172 flow_loop_outside_edge_p.
14174 * emit-rtl.c (init_virtual_regs): Make it static.
14175 * function.h: Remove the prototype for init_virtual_regs.
14177 * recog.c (peephole2_optimize): Make it static.
14178 * recog.h: Remove the prototype for peephole2_optimize.
14180 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14182 * df-scan.c (df_record_entry_block_defs): Check if
14183 INCOMING_RETURN_ADDR_RTX is defined.
14185 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14186 Kenneth Zadeck <zadeck@naturalbridge.com>
14188 PR rtl-optimization/24762
14189 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14190 * targhooks.c (hook_void_bitmap): New hook prototype.
14191 * targhoohs.h (hook_void_bitmap): Ditto.
14192 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14193 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14194 * target.h (live_on_entry): New function pointer.
14195 * df-scan.c (df_all_hard_regs): Removed.
14196 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14197 (df_scan_free_internal): Added df->entry_block_defs.
14198 (df_scan_alloc): Ditto.
14199 (df_scan_dump): Ditto.
14200 (df_uses_record): Plumbed flag field properly thru calls.
14201 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14202 This part fixes PR24762.
14203 (df_bb_refs_record): Added code to make the frame and arg
14204 pointers live in EH blocks.
14205 (df_refs_record): Added call to df_record_entry_block_defs.
14206 (df_record_entry_block_defs): New function.
14207 * df-core.c: Added comments to describe new artifical defs.
14208 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14209 (entry_block_defs): New field in struct df.
14210 (df_all_hard_regs): Deleted.
14211 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14212 * df-problems.c (df_ru_bb_local_compute_process_def):
14213 Added code to handle artifical defs in the entry to a function.
14214 (df_ru_bb_local_compute): Ditto.
14215 (df_rd_bb_local_compute_process_def): Ditto.
14216 (df_rd_bb_local_compute): Ditto.
14217 (df_lr_bb_local_compute): Ditto.
14218 (df_ur_bb_local_compute): Ditto.
14219 (df_urec_bb_local_compute): Ditto.
14220 (df_chain_create_bb): Ditto.
14221 (df_ur_local_finalize): Removed entry.
14222 (df_urec_init): Ditto.
14223 (df_urec_local_finalize): Ditto.
14224 (df_ri_bb_compute): Added detection of last use of pseudos.
14225 * Makefile.in (df-scan.o): Updated dependencies.
14226 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14227 * config/mips/mips.c (mips_set_live_on_entry): Added.
14228 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14230 * dce.c (marked_insn_p): Added code to handle artifical defs.
14232 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14234 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14236 (_mm_cvtsi128_si64): Likewise.
14237 (_mm_cvtsd_si64): Likewise.
14238 (_mm_cvttsd_si64): Likewise.
14239 (_mm_cvtsi64_sd): Likewise.
14240 (_mm_cvtsi64_si128): Likewise.
14241 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14242 (_mm_cvtsi64_m64): Likewise.
14243 (_m_to_int64): Likewise.
14244 (_mm_cvtm64_si64): Likewise.
14245 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14246 (_mm_cvttss_si64): Likewise.
14247 (_mm_cvtsi64_ss): Likewise.
14248 (_mm_cvtss_f32): Likewise.
14250 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14252 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14253 for pragma redefine_extname.
14255 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14258 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14259 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14260 -mno-minimal-toc to previous content.
14261 (bispecs): Remove goal.
14262 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14263 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14264 compatibility aliases on powerpc-*-*gnu*.
14265 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14266 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14267 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14268 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14269 (ldblspecs): New goal.
14270 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14271 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14273 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14274 L_sf_to_tf or L_df_to_tf is defined.
14276 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14277 Alan Modra <amodra@bigpond.net.au>
14280 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14281 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14282 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14283 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14284 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14285 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14286 (rs6000_override_options): Initialize rs6000_ieeequad.
14287 Initialize TFmode format to ibm_extended_format if not
14289 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14291 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14292 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14293 (function_arg_advance): IBM long double passed in two FPRs, not
14295 (function_arg): IBM long double passed in FPRs.
14296 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14297 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14298 Only multireg GPR aligned.
14299 (rs6000_init_libfuncs): Enable IBM long double functions if not
14301 (rs6000_generate_compare): Use IBM long double compare if not
14303 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14304 (TARGET_IEEEQUAD): Define.
14305 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14306 not TARGET_IEEEQUAD.
14307 * config/rs6000/rs6000.md: Enable TFmode patterns if
14309 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14310 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14311 and -mlong-double-128 are incompatible.
14312 * doc/invoke.texi (-mabi): Collect options together. Add
14313 ibmlongdouble and ieeelongdouble.
14315 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14317 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14319 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14320 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14321 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14322 * rtl.h (rtunion_def): Remove rt_ptr.
14324 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14325 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14326 * config/i386/winnt.c (i386_pe_mark_dllexport)
14327 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14329 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14331 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14333 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14337 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14338 pthread_key_delete. From John David Anglin. gthrw-ify
14339 pthread_getunique_np only if it it's not a macro. Delete
14341 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14342 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14343 __gthread_objc_condition_signal, __gthread_key_delete): Add
14344 "__attribute__ ((__unused__))" to unused arguments.
14345 (__gthread_recursive_mutex_init_function): Add missing return.
14346 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14347 gthr-posix95.h: Use macro-based approach for name redirection
14348 on targets missing weakref.
14350 2006-01-26 Zack Weinberg <zackw@panix.com>
14352 * genconditions.c (write_header): In generated code, #ifdef out
14353 all includes and fake declarations, except includes of bconfig.h
14354 and system.h, unless GCC_VERSION >= 3001. Do not include
14355 gensupport.h in any case.
14356 (write_conditions): Generate a definition of struct c_test. Add
14357 a comment to the generated #endif.
14358 (write_one_condition): Escape backslashes in string too.
14359 (write_writer): Generated code must escape backslashes and quote
14360 marks (but not newlines) in the strings it writes.
14361 * Makefile.in (build/gencondmd.o): Update dependencies.
14363 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14366 * Makefile.in (insn-automata.o): Add header file dependencies.
14367 * genautomata.c: Add includes.
14369 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14372 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14374 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14376 * configure.ac: Expect target tools paths to be passed from the toplevel
14377 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14379 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14381 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14384 * c.opt (Wpointer-sign): Init to -1.
14385 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14386 OPT_pedantic, to 0 otherwise.
14387 * doc/invoke.texi: Update.
14389 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14391 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14392 constants provided by 80387 instructions in the destination mode.
14394 2006-01-26 Richard Guenther <rguenther@suse.de>
14395 Andrew Pinski <pinskia@physics.uc.edu>
14398 partial PR tree-opt/17064
14399 * tree-ssa-structalias.c (intra_create_variable_infos):
14400 Create heap variables for incoming parameters if
14401 flag_argument_noalias > 1.
14402 (find_what_p_points_to): Look through default defs of
14405 2006-01-26 Jeff Law <law@redhat.com>
14408 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14409 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14410 within the VR_RANGE, use the VR_RANGE as the result, not the
14412 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14413 bounds for the type.
14415 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14417 * tree-ssa-alias.c (maybe_create_global_var): Change
14418 subvar walking to an assertion that we don't have subvar'd variables.
14420 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14423 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14424 Use a new variable, inner. PARM_DECLs are always non-weak.
14426 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14428 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14429 --disable-checking.
14431 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14433 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14435 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14437 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14438 (smax_insn, smin_insn, smax_0, smin_0): New.
14440 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14443 * config/cris/cris.c (cris_order_for_addsi3): New function.
14444 * config/cris/cris-protos.h: Prototype it.
14445 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14446 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14447 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14448 (split for "op.S1 [rx=rx+i],ry (swapped)")
14449 (split for "op(s|u).S1 [rx=rx+i],ry")
14450 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14451 Apply cris_order_for_addsi3 when generating addsi3 insns.
14453 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14455 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14456 (TREE_BLOCK): Add call to EXPR_CHECK.
14458 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14461 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14462 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14463 (dump_omp_clauses): ... here.
14464 (dump_generic_node): Handle OMP_CLAUSE.
14465 * tree.c (omp_clause_num_ops): New.
14466 (omp_clause_code_name): New.
14467 (tree_code_size): Handle OMP_CLAUSE.
14468 (tree_size): Likewise.
14469 (make_node): Document handling of OMP_CLAUSE.
14470 (tree_node_structure): Handle OMP_CLAUSE.
14471 (omp_clause_check_failed): New.
14472 (omp_clause_range_check_failed): New.
14473 (omp_clause_operand_check_failed): New.
14474 (build_omp_clause): New.
14475 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14476 * tree.h (enum omp_clause_code): Declare.
14477 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14478 (OMP_CLAUSE_RANGE_CHECK): Define.
14479 (OMP_CLAUSE_ELT_CHECK): Define.
14480 (omp_clause_check_failed): Declare.
14481 (omp_clause_operand_check_failed): Declare.
14482 (omp_clause_range_check_failed): Declare.
14483 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14484 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14485 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14486 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14487 (OMP_CLAUSE_IF_EXPR): Likewise.
14488 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14489 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14490 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14491 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14492 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14493 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14494 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14495 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14496 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14497 (OMP_CLAUSE_CODE): Define.
14498 (OMP_CLAUSE_SET_CODE): Define.
14499 (OMP_CLAUSE_CODE): Define.
14500 (OMP_CLAUSE_OPERAND): Define.
14501 (struct tree_omp_clause): Declare.
14502 (union tree_node): Add field 'omp_clause'.
14503 * treestruct.def (TS_OMP_CLAUSE): Define.
14504 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14505 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14506 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14507 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14508 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14509 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14510 (OMP_CLAUSE): Define.
14511 * print-tree.c (print_node): Handle OMP_CLAUSE.
14512 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14513 * c-typeck.c: Likewise.
14514 * gimplify.c: Likewise.
14515 * c-omp.c: Likewise.
14516 * tree-nested.c: Likewise.
14517 * tree-inline.c: Likewise.
14518 * c-parser.c: Likewise.
14519 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14522 2006-01-25 Roger Sayle <roger@eyesopen.com>
14524 PR rtl-optimization/25703
14525 * combine.c (try_combine): Handle zero_extract and strict_low_part
14526 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14528 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14530 * global.c: Fix comment typos.
14532 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14535 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14536 Use output_addr_const instead of assemble_name.
14538 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14540 * Makefile.in (sched-vis.o): Update dependencies.
14541 * haifa-sched.c (sched_finish): Clear current_sched_info.
14542 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14543 (dump_flow_info): Call it.
14544 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14546 * basic-block.h (dump_bb_info): Declare.
14547 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14548 option, and apply options only for dump files whose TDF_RTL,
14549 TDF_TREE, or TDF_IPA bits match.
14550 * rtl.h: Declare new functions exported from sched-vis.c.
14551 * sched-vis.c: Enable also if scheduling is not used.
14552 (print_value): Print the mode of registers if not inside scheduling.
14553 (print_insn): Make it work outside the scheduler. Beautify the output
14555 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14557 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14559 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14560 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14561 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14562 depending on the value of CONSTANT_POOL_ADDRESS_P.
14563 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14565 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14566 rather than SYMBOL_REF_DECL.
14567 (rtx_constant_pool): Remove const_rtx_sym_htab.
14568 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14569 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14570 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14571 Remove handling of const_rtx_sym_htab.
14572 (find_pool_constant): Delete.
14573 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14574 rather than find_pool_constant.
14575 (get_pool_constant_for_function): Delete.
14576 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14577 find_pool_constant.
14578 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14579 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14580 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14581 (SYMBOL_REF_CONSTANT): New macro.
14582 (get_pool_constant_for_function): Delete.
14583 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14584 rather than SYMBOL_REF_DECL.
14585 (i386_pe_mark_dllimport): Likewise.
14586 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14587 rather than SYMBOL_REF_DECL.
14588 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14589 (machopic_indirect_call_target): Likewise.
14591 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14593 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14595 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14597 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14599 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14601 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14603 2006-01-24 David Daney <ddaney@avtrex.com>
14606 * configure.ac (enable_tls): New enable option.
14607 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14608 * configure: Regenerate.
14609 * doc/install.texi (--enable-tls): Document new option.
14610 (--disable-tls): Ditto.
14612 2006-01-24 Richard Henderson <rth@redehat.com>
14614 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14615 * alias.c (true_dependence): Respect it.
14616 (canon_true_dependence, write_dependence_p): Likewise.
14617 * builtins.c (get_builtin_sync_mem): Set it.
14619 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14621 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14624 2006-01-24 DJ Delorie <dj@redhat.com>
14626 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14627 for storing constants in single-bit bitfields.
14629 2006-01-25 Ben Elliston <bje@au.ibm.com>
14631 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14633 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14636 * tree-ssa-pre.c (phi_translate): Return NULL
14637 for AGGREGATE_TYPE's.
14639 2006-01-24 Zack Weinberg <zackw@panix.com>
14641 * genautomata.c (process_state_for_insn_equiv_partition):
14642 Use xcalloc for insn_arcs_array.
14643 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14644 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14646 2006-01-24 Richard Henderson <rth@redhat.com>
14648 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14649 update all callers.
14651 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14653 PR rtl-optimization/25890
14654 PR rtl-optimization/25905
14655 * combine.c (expand_compound_operation, expand_field_assignment):
14656 Fail if the bitfield's final position is out of bounds.
14658 2006-01-24 Ian Lance Taylor <ian@airs.com>
14660 PR middle-end/25930
14661 * cgraphunit.c (cgraph_output_in_order): Don't clear
14662 cgraph_asm_nodes until after asm strings have been output.
14664 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14666 * fix-header.c (read_scan_file): Add new parameter imultilib when
14667 calling register_include_chains.
14669 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14671 * omp-low.c: Update documentation.
14673 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14674 Daniel Berlin <dberlin@dberlin.org>
14678 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14679 return from the function.
14681 2006-01-22 Zack Weinberg <zackw@panix.com>
14683 * rtl.def (match_code): Add second argument.
14684 * genpreds.c (write_extract_subexp): New function.
14685 (write_match_code): Add path argument. Use write_extract_subexp.
14686 (write_predicate_expr): Pass path to write_match_code.
14687 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14688 not perform a mode test.
14689 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14690 a subexpression does not constrain the top-level code set.
14691 * read-rtl.c (read_rtx_variadic): New function.
14692 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14693 * doc/md.texi: Document new notation.
14694 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14695 (cmpsi_operand): ... here, using new notation.
14697 2006-01-22 Zack Weinberg <zackw@panix.com>
14699 * varray.c: Remove GENERATOR_FILE #ifdefs.
14701 2006-01-22 Zack Weinberg <zackw@panix.com>
14703 * genautomata.c (output_reserved_units_table): Emit nothing if
14704 description->query_units_num is zero. Remove extra blank line.
14705 (output_cpu_unit_reservation_p): Short circuit
14706 if description->query_units_num is zero.
14708 2006-01-22 Zack Weinberg <zackw@panix.com>
14710 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14711 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14712 nor any of the random handful of variables that used to be necessary
14713 when this program was linked with rtlanal.o. Prune set of forward
14714 function declarations.
14715 (struct attr_desc): Remove static_p field.
14716 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14717 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14718 (attr_string): Do not read the character one past the length of
14720 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14721 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14722 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14723 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14724 (make_automaton_attrs): New.
14725 (main): Do not call into genautomata. Call local gen_bypass
14726 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14727 Remove special case for insn_alts.
14728 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14729 varray.h (leftover from previous change). Prune set of forward
14730 function declarations. Remove state_alts fields from all
14731 structures. Remove state_alts_table from struct automaton.
14732 Make everything except main static. Do not maintain num_dfa_decls.
14733 Do not maintain state_alts fields of various structures.
14734 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14735 (add_arc): Remove state_alts argument. All callers updated.
14736 (output_reserved_units_table): Emit #ifdef here...
14737 (output_tables): ...not here. Don't generate state_alts tables.
14738 (expand_automata): Don't generate attributes.
14739 (write_automata): Don't generate state_alts functions.
14740 (main): New function.
14741 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14742 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14743 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14744 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14745 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14746 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14747 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14748 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14750 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14751 * genattrtab.h: Delete file.
14752 * Makefile.in (OBJS-common): Add insn-automata.o.
14753 (insn-automata.o): New rule.
14754 (simple_generated_c): Add insn-automata.c.
14755 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14756 (genprogmd): Add automata.
14757 (build/genattrtab): Needs no extra objects nor libraries.
14758 (build/genautomata): Needs build/vec.o and -lm.
14760 2006-01-22 Zack Weinberg <zackw@panix.com>
14762 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14763 (output_dfa_max_issue_rate, locked_states_num): Delete.
14764 (struct automaton): Add locked_states field.
14765 (output_dead_lock_vect): Save number of locked states in
14766 automaton->locked_states. If it is zero, don't print anything.
14767 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14768 (output_internal_dead_lock_func): Only test the dead_lock_vect
14769 for automata that have locked states.
14770 (output_statistics): Always print the number of locked states for
14771 each automaton. Calculate total number of locked states here.
14772 (write_automata): Don't call output_dfa_max_issue_rate.
14773 * genattrtab.c: Define length_unit_log as a const variable.
14774 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14775 max_insn_queue_index const.
14776 * final.c (length_unit_log): Declare const.
14777 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14779 2006-01-22 Zack Weinberg <zackw@panix.com>
14781 * genautomata.c: Include vec.h, not varray.h.
14782 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14783 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14784 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14785 VEC_* macros operating on appropriately typed vectors, or to
14786 malloced arrays when the size is known in advance. Const-ify
14787 many char* variables and function arguments. No functional changes.
14788 * Makefile.in (build/varray.o): Delete rule.
14789 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14790 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14792 2006-01-22 Zack Weinberg <zackw@panix.com>
14794 * gensupport.c: Define get_insn_name and record_insn_name here.
14795 (read_md_rtx): Call record_insn_name as appropriate.
14796 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14797 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14798 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14800 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14801 (BUILD_VARRAY): Delete.
14802 (genprognormal): Rename genprogmd. Fold in all programs from
14803 genprognoprint; also attrtab.
14804 (build/genattrtab): Just mention genautomata.o and varray.o.
14805 Reorganize a bit, add comments to make the categories clearer.
14807 2006-01-22 Zack Weinberg <zackw@panix.com>
14809 * genconditions.c (condition_table, add_condition): Delete.
14810 (write_conditions): Don't emit n_insn_conditions nor
14811 insn_elision_unavailable. Issue the gcc version #ifdef here,
14812 inside the table, with no #else clause ...
14813 (write_header): ...not here.
14814 (write_writer): New function.
14815 (main): Don't initialize condition_table. Use add_c_test.
14817 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14818 files on the command line.
14819 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14820 Return -1 if there is no entry in the table, don't abort.
14821 (add_c_test, traverse_c_tests): New functions.
14822 * gensupport.h (insn_elision_unavailable, insn_conditions)
14823 (n_insn_conditions): Delete declarations.
14824 (add_c_test, traverse_c_tests): Declare.
14825 * read-rtl.c: Include gensupport.h.
14826 (read_conditions): New function.
14827 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14828 (read_rtx_1): If we get EOF when we were looking for an initial
14829 open paren, return 0. Call read_conditions when appropriate.
14830 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14831 dummy-conditions.o. Eliminate references to insn-conditions.o,
14832 or change them to build/gencondmd.o, as appropriate. Remove
14833 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14834 from $(simple_generated_c). For all files remaining in those
14835 two lists, add insn-conditions.md to the generator command line.
14836 Give insn-constants.h/s-constants their own rules. Add rules
14837 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14838 (build/read-rtl.o): Depend on gensupport.h.
14839 (genprognormal): Include preds.
14840 (genprogearly): Rename genprognoprint; only difference is now that
14841 they don't link with $(BUILD_PRINT).
14842 * dummy-conditions.c: Delete.
14844 2006-01-22 Zack Weinberg <zackw@panix.com>
14846 * genextract.c: Don't include insn-config.h. Do include vec.h.
14847 Declare vectors of int, char, and locstr.
14848 (locstr): New typedef.
14849 (struct extraction): Make all array fields into bare pointers.
14850 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14851 (insn_code_number): Delete.
14852 (accum_extract): New struct.
14853 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14854 (gen_insn): Take insn_code_number as an argument. Use an
14855 accum_extract structure instead of loading data directly into
14856 a struct extraction, and having to know how big it might get.
14857 (walk_rtx): Operate entirely on an accum_extract structure.
14858 (print_path): Avoid unnecessary use of printf.
14859 (print_header): New function, split out of main. Distinguish
14860 more carefully between an unrecognizable insn and an insn that
14861 has the code number of a define_expand.
14862 (main): Pass insn_code_number to gen_insn. Call print_header
14863 only after parsing. Avoid unnecessary use of printf.
14864 * Makefile.in (build/vec.o): New rule.
14865 (build/genextract): Depend on build/vec.o.
14866 (build/genextract.o): Don't depend on insn-config.h.
14868 2006-01-22 Zack Weinberg <zackw@panix.com>
14870 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14871 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14872 practical. Eliminate per-generator-program link rules.
14874 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14876 PR middle-end/24437
14877 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14878 with a call expr to ...
14879 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14881 2006-01-23 Richard Guenther <rguenther@suse.de>
14883 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14884 before make_edge with conditional EDGE_TRUE_VALUE.
14886 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14887 Jan Hubicka <jh@suse.cz>
14888 Richard Guenther <rguenther@suse.de>
14890 PR rtl-optimization/25654
14891 * cfgexpand.c (aggregate_contains_union_type): New function.
14892 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14893 for structure variables that contain a union type.
14895 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14897 * gengtype.c (new_structure): Return the structure.
14898 (create_option): Add an extra "next" argument.
14899 (create_field): New function.
14900 (adjust_field_rtx_def): Use create_option and create_field.
14901 Remove a now-unnecessary call to find_structure.
14902 (adjust_field_tree_def): Likewise.
14903 (note_yacc_type): Remove an unnecessary call to find_structure.
14904 * gengtype.h (new_structure): Return the structure.
14905 (create_option): Add an extra argument.
14906 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14907 (option): Adjust calls to create_option.
14909 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14911 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14913 2006-01-22 Paul Brook <paul@codesourcery.com>
14914 Peter Barada <peter@the-baradas.com>
14916 * config/m68k/m68k.md: Add Coldfire FPU support.
14917 Define FP mode macro and associated attributes.
14918 Use it for float mode patterns.
14919 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14920 (LIBCALL_VALUE): Use m68k_libcall_value.
14921 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14922 (m68k_function_value): Ditto.
14923 (emit_move_sequence): Ditto.
14924 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14925 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14926 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14927 (MULTILIB_EXCEPTIONS): Ditto.
14928 * config/m68k/m68k.opt: Add mcfv4e.
14929 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14930 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14931 (m68k_output_function_prologue): Save ColdFire FPU registers.
14932 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14933 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14934 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14935 ColdFire FPU registers.
14936 (m68k_libcall_value, m68k_function_value): New functions.
14937 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14938 (LIBCALL_VALUE): Use m68k_libcall_value.
14939 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14940 (MASK_COLDFIRE): Add MASK_CFV4E.
14941 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14942 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14943 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14944 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14945 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14946 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14947 * doc/invoke.tex: Document -mcfv4e on m68k.
14949 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14951 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14954 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14957 * c-opts.c (c_common_handle_option): Don't include
14958 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14959 * doc/invoke.texi (C++ Dialect Options): Document that
14960 -Wnon-virtual-dtor is no longer included in -Wall.
14962 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14964 * gcov.c (print_version), gcov-dump.c (print_version),
14965 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14968 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14970 * df-scan.c (problem_SCAN): Added NULL reset function.
14971 (df_scan_reset_blocks): Added code to call reset block function
14972 (df_bb_refs_delete) Fixed comment.
14973 (df_insn_refs_delete): Made tolerant of deleting non existent info
14974 for dataflow problems that need to be reset.
14975 * df-core.c (df_set_blocks): Ditto.
14976 * df.h (struct df_problem): Added reset_fun.
14977 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14978 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14979 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14980 functions to clear out all references to def-use or use-def chains.
14982 2006-01-21 Ben Elliston <bje@au.ibm.com>
14984 * varasm.c (assemble_real): Initialise data array.
14986 2006-01-20 Paul Brook <paul@codesourcery.com>
14988 Merge from csl-arm-branch.
14989 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14990 * config/arm/arm.md (movdi): Force operands[1] to a register
14991 if we have a non-register source.
14992 (*arm_movdi, *movdf_soft_insn): Require that one of the
14993 operands be a register.
14994 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14995 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14997 2006-01-20 DJ Delorie <dj@redhat.com>
14999 * varasm.c (initializer_constant_valid_p): Allow pointers
15000 initialized from integer constants of lesser precision.
15001 (output_constant): Allow non-int-sized pointer modes to be
15002 initialized from integer constants.
15004 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15007 * cppdefault.h (struct default_include): Add multilib flag.
15008 * cppdefault.c (cpp_include_defaults): Set it.
15009 * c.opt (-imultilib): New option.
15010 * c-opts.c (imultilib): New.
15011 (c_common_handle_option): Handle -imultilib.
15012 (c_common_post_options): Likewise.
15013 * c-incpath.c (add_standard_paths, register_include_chains):
15015 * c-incpath.h (register_include_chains): Add extra parameter.
15016 * gcc.c (do_spec_1): Generate -imultilib option.
15017 (The Specs Language): Update %I description.
15018 (process_command): Update copyright notice.
15019 * doc/cppopts.texi (-imultilib): Document.
15020 * doc/invoke.texi (-imultilib): Include in option summary.
15021 (%I): Update specs documentation.
15023 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15025 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15027 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15029 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15032 2006-01-20 Richard Guenther <rguenther@suse.de>
15033 Steven Bosscher <stevenb.gcc@gmail.com>
15035 PR rtl-optimization/24626
15036 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15037 EDGE_TRUE_VALUE if in RTL mode.
15040 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15041 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15043 2006-01-20 Dirk Mueller <dmueller@suse.com>
15046 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15047 instead of a special NOP marker.
15048 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15049 NOP marker handling.
15050 * c-common.h (empty_body_warning): Add forward declaration.
15051 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15052 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15054 2006-01-20 Paul Brook <paul@codesourcery.com>
15056 * Makefile.in (lang_checks): Keep going if mkdir fails.
15058 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15060 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15061 be able to clean out basic block when not necessary.
15062 (df_scan_free): Fixed to properly delete information if df is
15063 unused before calling df_finish.
15064 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15065 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15067 (df_bb_refs_delete): New function.
15068 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15069 * df-core.c (df_set_blocks): Added code to properly clean out
15070 unused blocks if they are not part of the blocks to consider.
15071 Added additional null check.
15072 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15073 be able to clean out basic block when not necessary
15074 * df.h (df_free_bb_function): Ditto.
15075 (df_bb_refs_delete): New function.
15076 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15077 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15078 basic block parameter to be able to clean out basic block when not
15080 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15081 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15082 Fixed to properly delete information if df is unused before
15085 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15087 PR rtl-optimization/25799
15088 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15089 Corrected confluence operator to remove bits from op2 before oring
15090 with op1 rather than removing bits from op1.
15091 (df_ru_transfer_function): Corrected test on wrong bitmap which
15092 caused infinite loop. Both of these problems were introduced in
15093 the dataflow rewrite.
15095 2006-01-19 DJ Delorie <dj@redhat.com>
15097 * reload1.c (find_reload_regs): Note the details of reload
15098 failures in the dump file.
15099 (spill_failure): Likewise.
15101 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15103 * loop-iv.c: Include df.h and hashtab.h.
15104 (enum iv_grd_result): New enum.
15105 (DF_REF_IV, DF_REF_IV_SET): New macros.
15106 (struct biv_entry): New.
15107 (df, bivs): New global variables.
15108 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15109 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15111 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15112 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15113 analyzed_for_bivness_p, record_biv): New functions.
15114 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15115 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15116 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15118 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15120 (iv_number_of_iterations): Use new interface to iv analysis.
15121 * loop-unroll.c: Do not include varray.h.
15122 (analyze_iv_to_split_insn): Use new interface to iv
15124 * loop-unswitch.c (may_unswitch_on): Ditto.
15125 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15127 (df_bb_modify): Realloc tables to the new index.
15128 (df_find_use): New function.
15129 * df.h (df_find_use): Declare.
15130 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15132 * cfgloop.h (struct rtx_iv): Remove analysed field.
15133 (iv_get_reaching_def): Removed.
15134 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15135 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15136 (loop-iv.o): Add df.h and hashtab.h dependency.
15137 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15139 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15142 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15144 (__floatundisf, __floatundidf): Likewise.
15145 * libgcc2.h (IS_IBM_EXTENDED): Define.
15147 2006-01-19 DJ Delorie <dj@redhat.com>
15149 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15151 2006-01-19 Paul Brook <paul@codesourcery.com>
15153 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15154 as nothrow when unwinding tables are disabled.
15156 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15159 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15160 of bit-field" when in system header.
15162 2006-01-19 DJ Delorie <dj@redhat.com>
15164 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15165 the 16 bit shift limit of the m16c.
15167 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15170 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15171 * config/i386/i386.c (output_set_got): Output the label if we have one
15172 for the TARGET_DEEP_BRANCH_PREDICTION case.
15174 2006-01-19 Jan Hubicka <jh@suse.cz>
15175 H.J. Lu <hongjiu.lu@intel.com>
15176 Evandro Menezes <evandro.menezes@amd.com>
15178 * invoke.texi (generic): Document
15180 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15181 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15182 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15183 (x86_use_incdec, x86_pad_returns): New variables
15184 (TARGET_CPU_DEFAULT_generic): New constant
15185 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15186 (enum processor_type): Add generic32 and generic64.
15187 * i386.md (cpu attribute): Add generic32/generic64
15188 (movhi splitter): Behave sanely when both partial_reg_dependency and
15189 partial_reg_stall are set.
15190 (K8 splitters): Enable for generic as well.
15191 * predicates.md (incdec_operand): Use TARGET_INCDEC
15192 (aligned_operand): Avoid memory mismatch stalls.
15193 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15194 * ppro.md: Enable for generic32
15195 * i386.c (generic64_cost, generic32_cost): New.
15196 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15197 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15198 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15199 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15200 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15201 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15202 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15203 x86_accumulate_outgoing_args, x86_prologue_using_move,
15204 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15205 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15206 Enable for generic.
15207 (x86_use_incdec, x86_pad_returns): New.
15208 (override_options): Add generic32 and generic64, translate "generic"
15209 to generic32/generic64 and "i686" to "generic32", refuse
15210 "generic32"/"generic64" as arch target.
15211 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15212 (ix86_reorg): Honor PAD_RETURNS.
15214 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15216 * tree-pretty-print.c (dump_generic_node): Handle
15217 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15218 * cgraph.c (cgraph_expand_queue): Rename from
15219 cgraph_analyze_queue. Update all users.
15220 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15221 cgraph_expand_queue.
15222 (cgraph_expand_all_functions): Likewise.
15223 (cgraph_finalize_pending_functions): Remove. Update callers.
15225 * tree.h (OMP_DIRECTIVE_P): Define.
15226 (OMP_PARALLEL_FN): Define.
15227 (OMP_PARALLEL_DATA_ARG): Define.
15228 (OMP_SECTIONS_SECTIONS): Define.
15229 * tree-pass.h (pass_expand_omp): Declare.
15230 * omp-low.c (struct omp_region): Declare.
15231 (struct omp_context): Remove fields 'parallel_type',
15232 'parallel_start_ix' and 'parallel_start_additional_args'.
15234 (struct omp_for_data): Rename from struct expand_omp_for_data.
15235 (omp_regions): New static variable.
15236 (root_omp_region): New static variable.
15237 (find_omp_clause): Make static.
15238 (is_in_combined_parallel_ctx): Remove.
15239 (is_combined_parallel): New.
15240 (extract_omp_for_data): Move earlier in the file.
15241 (workshare_safe_to_combine_p): New.
15242 (get_ws_args_for): New.
15243 (determine_parallel_type): Move earlier in the file.
15244 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15246 (omp_copy_decl): Likewise.
15247 (create_omp_child_function): Likewise.
15248 (lookup_omp_region): New.
15249 (dump_omp_region): New.
15250 (debug_omp_region): New.
15251 (debug_all_omp_regions): New.
15252 (new_omp_region): New.
15253 (scan_omp_parallel): If parallel_nesting_level > 1, the
15254 directive is nested within another parallel directive.
15255 Set OMP_PARALLEL_FN.
15256 (scan_omp_for): Do not try to handle combined parallel+for
15258 Remove FIXME comment.
15259 (scan_omp_nested): Remove.
15260 (scan_omp_1): Do not call scan_omp_nested when
15261 parallel_nesting_level is > 1.
15262 Do not change the DECL_CONTEXT of local variables found.
15263 (lookup_decl_in_outer_ctx): New.
15264 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15265 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15266 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15267 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15268 If CTX is nested, lookup VAR in the outer context when
15269 building copy assignment.
15270 (lower_send_clauses): Rename from expand_send_clauses.
15271 If CTX is nested, lookup VAR in the outer context when
15272 building copy assignments.
15273 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15274 If CTX is nested, lookup VAR in the outer context when
15275 building copy assignments.
15276 (expand_parallel_call): Rename from build_parallel_call.
15277 Handle combined parallel+workshare cases.
15278 Re-implement to emit code into the CFG.
15280 (expand_omp_parallel): Re-implement to emit code into the CFG.
15281 Call move_sese_region_to_fn to outline the sub-graph
15282 containing the parallel region.
15283 (expand_omp_for_1): Remove.
15284 (expand_omp_for_generic): Re-implement to emit code into the
15286 (expand_omp_for_static_nochunk): Likewise.
15287 (expand_omp_for_static_chunk): Likewise.
15288 (expand_omp_for): Likewise.
15289 (expand_omp_sections): Likewise.
15290 (remove_exit_barriers): New.
15291 (expand_omp_synch): New.
15293 (build_omp_regions_1): New.
15294 (build_omp_regions): New.
15295 (execute_expand_omp): New.
15296 (gate_expand_omp): New.
15297 (pass_expand_omp): Define.
15298 (lower_omp_sections): Rename from expand_omp_sections.
15299 Set OMP_SECTIONS_SECTIONS.
15300 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15301 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15302 (lower_omp_single): Rename from expand_omp_simple.
15303 (lower_omp_master): Rename from expand_omp_master.
15304 (lower_omp_ordered): Rename from expand_omp_ordered.
15305 (lower_omp_critical): Rename from expand_omp_critical.
15306 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15307 (lower_omp_for): Re-implement.
15308 (lower_omp_parallel): Re-implement.
15309 (lower_regimplify): Rename from expand_regimplify.
15310 (lower_omp_1): Rename from expand_omp_1.
15311 If there are syntax errors in the program, replace every
15312 OpenMP directive with NOP.
15313 Call lower_omp_* instead of expand_omp_*.
15314 (lower_omp): Rename from expand_omp.
15316 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15317 * tree-gimple.h (enum omp_parallel_type): Remove.
15318 (gimple_boolify): Declare extern.
15319 (find_omp_clause, determine_parallel_type): Remove.
15321 * gimple-low.c (lower_omp_directive): New.
15322 (lower_stmt): Call it.
15323 (record_vars_into): Move from ...
15324 (record_vars): ... here.
15325 Call record_vars_into with current_function_decl.
15327 * gimplify.c (struct gimplify_ctx): Remove fields
15328 combined_pre_p and combined_ctxp. Update users.
15329 (get_formal_tmp_var): Add documentation.
15330 (gimple_boolify): Make extern.
15331 (gimplify_expr_in_ctx): Remove. Update callers.
15332 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15333 will always be a BIND_EXPR.
15334 (gimplify_expr): Handle OMP_RETURN_EXPR.
15335 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15336 (OMP_PARALLEL): Add 3 operands.
15337 (OMP_SECTIONS): Add 1 operand.
15338 (OMP_RETURN_EXPR): Define.
15340 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15341 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15342 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15343 creating a circular free list.
15344 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15346 * tree-flow.h (move_sese_region_to_fn): Declare.
15347 (record_vars_into): Declare.
15348 * tree-cfg.c (make_omp_sections_edges): New.
15349 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15350 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15351 OMP_SECTIONS and OMP_SECTION.
15352 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15353 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15354 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15355 (gather_blocks_in_sese_region): New.
15356 (struct move_stmt_d): Declare.
15357 (move_stmt_r): New.
15358 (move_block_to_fn): New.
15359 (move_sese_region_to_fn): New.
15361 * passes.c (init_optimization_passes): Schedule
15362 pass_expand_omp after pass_init_datastructures.
15364 * tree-ssa-operands.c (get_expr_operands): Handle
15365 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15366 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15368 2006-01-19 Jeff Law <law@redhat.com>
15370 * tree-vrp.c (extract_range_from_assert): Refine the result range
15371 if the variable referenced by the ASSERT_EXPR has a range and
15372 either the tentative result range or the previous range is a
15375 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15377 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15379 2006-01-19 Jan Hubicka <jh@suse.cz>
15381 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15383 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15385 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15386 (expand_compound_operation, expand_field_assignment): Fail if the
15387 bit lengths of an extract operation are out of range.
15388 (make_extraction): Compute wanted_inner_mode based on the position
15389 and length of the extraction. Make it extraction_mode for non-constant
15390 positions, and do not modify offset in that case. When generating a
15391 new MEM, use a mode that can hold the extraction while keeping correct
15392 alignment. Remove code that supported MEMs wrapped by USEs.
15393 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15395 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15397 * config/s390/s390.md ("Y", "y"): New mode attribute.
15398 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15399 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15400 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15401 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15402 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15403 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15404 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15405 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15406 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15407 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15408 "addsi3", "subsi3"): Insn patterns removed.
15409 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15410 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15411 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15412 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15413 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15414 "*sub<mode>3_cconly2"): New insn patterns.
15415 ("addsi3", "subsi3"): New expanders.
15417 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15419 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15420 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15421 existing STMT_VINFO_VECTYPE if available.
15422 (vect_mark_relevant): Add special handling for stmts that are
15423 marked as STMT_VINFO_IN_PATTERN_P.
15424 (vect_analyze_loop): Call vect_pattern_recog.
15425 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15426 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15428 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15429 (vect_recog_func_ptr): New function-pointer type.
15430 * tree-vect-patterns.c: New file.
15431 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15432 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15433 (vect_pattern_recog_1): New functions.
15434 (vect_pattern_recog_funcs): New array of function pointers.
15436 * tree-vectorizer.h (ternary_op): New enum value.
15437 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15438 declaration. Revised documentation. Removed redundant dump prints.
15439 Removed redundant argument. Added support for reduction patterns.
15440 (vectorizable_reduction): Added support for reduction patterns.
15441 (vect_transform_stmt): Added support for patterns.
15443 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15444 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15445 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15446 (expand_widen_pattern_expr): New function.
15447 (init_optabs): Initialize new optabs udot_prod_optab,
15449 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15450 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15451 (expand_widen_pattern_expr): New function declaration.
15452 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15454 * tree-inline.c (estimate_num_insns_1): Added cases for new
15455 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15456 * tree-pretty-print.c (dump_generic_node): Likewise.
15457 (op_prio): Likewise.
15458 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15459 * tree-ssa-operands.c (get_expr_operands): Added case for
15461 * tree-vect-patterns.c (widened_name_p): New function.
15462 (vect_recog_dot_prod_pattern): Added function implementation.
15463 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15464 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15465 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15466 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15468 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15469 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15470 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15471 (init_optabs): Initialize new optabs widen_ssum_optab,
15473 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15474 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15475 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15476 use instead of type of def.
15477 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15478 function implementation.
15479 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15480 widen_ssumv8hi): New.
15482 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15485 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15488 * c-decl.c (add_flexible_array_elts_to_size): New function.
15489 (finish_decl): Use it.
15491 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15493 * diagnostic.h: Include options.h.
15494 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15495 dependancies for diagnostic.h.
15496 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15498 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15500 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15501 (ssa_ro_call_cache_valid): Ditto.
15502 * tree-ssa-alias.c (sort_tags_by_id): New function.
15503 (init_transitive_clobber_worklist): Ditto.
15504 (add_to_worklist): Ditto.
15505 (mark_aliases_call_clobbered): Ditto.
15506 (compute_tag_properties): Ditto.
15507 (set_initial_properties): Ditto.
15508 (compute_call_clobbered): Ditto.
15509 (compute_may_aliases): Call compute_call_clobbered and grouping.
15510 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15511 (compute_flow_insensitive_aliasing): Grouping now happens in our
15513 (setup_pointers_and_addressables): Remove clobbering related code.
15514 (add_may_alias): Ditto.
15515 (replace_may_alias): Ditto.
15516 (get_nmt_for): Ditto.
15517 (create_global_var):
15518 (is_escape_site): Return an escape_type enumeration.
15519 * tree-flow-inline.h (is_call_clobbered): Global var does not
15520 imply call clobbered.
15521 (mark_call_clobbered): Take a reason for marking this. Remove
15522 marking of globalness, and cache invalidation.
15523 (clear_call_clobbered): Remove cache invalidation code.
15524 * tree-dfa.c (dump_variable): If details is on, dump the reason
15526 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15528 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15529 (struct var_ann_d): Ditto.
15530 (enum escape_type): New.
15531 (mark_call_clobbered): Adjust prototype.
15532 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15533 are never call clobbered.
15534 Record reasons for escaping.
15535 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15536 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15537 (ssa_ro_call_cache_valid): Ditto.
15538 (clobbered_v_may_defs): Ditto.
15539 (clobbered_vuses): Ditto.
15540 (ro_call_vuses): Ditto.
15541 (clobber_stats): New.
15542 (init_ssa_operands): Zero out clobber stats.
15543 (fini_ssa_operands): Print out clobber stats.
15544 (get_call_expr_operands): Pass callee fndecl to
15545 add_call_read_ops).
15546 (add_call_clobber_ops): Remove use of cache.
15547 Add use of PURE_CONST information.
15548 (add_call_read_ops): Remove use of cache.
15549 Add use of static not_read information.
15551 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15553 Introduce TLS descriptors for i386 and x86_64.
15554 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15555 (TARGET_ANY_GNU_TLS): New macro.
15556 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15557 (struct machine_function): Add tls_descriptor_call_expanded_p.
15558 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15559 (ix86_current_function_calls_tls_descriptor): Likewise.
15560 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15561 (override_options): Introduce gnu2 tls dialect.
15562 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15564 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15566 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15567 (ix86_init_machine_status): Initialize new field.
15568 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15569 (ix86_tls_module_base): New.
15570 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15571 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15572 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15573 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15574 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15575 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15576 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15577 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15578 * config/i386/predicates.md (tls_modbase_operand): New.
15579 (tp_or_register_operand): New.
15581 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15583 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15584 (look_for_address_of): Ditto.
15585 (ipa_init): Walk the function decls.
15586 (static_execute): Don't set readonly on FUNCTION_DECL's.
15588 2006-01-18 Roger Sayle <roger@eyesopen.com>
15590 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15591 for shifts where the source and destination registers are different.
15593 2006-01-18 Paul Brook <paul@codesourcery.com>
15595 Merge from csl-arm-branch.
15596 2005-03-14 Julian Brown <julian@codesourcery.com>
15597 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15598 (aeabi_llsl): Likewise.
15599 (ashrdi3): Likewise.
15600 (aeabi_lasr): Likewise.
15601 (lshrdi3): Likewise.
15602 (aeabi_llsr): Likewise.
15603 2005-03-10 Julian Brown <julian@codesourcery.com>
15604 * config.gcc: Disable shared libgcc for SymbianOS.
15605 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15607 2006-01-18 DJ Delorie <dj@redhat.com>
15609 * c-pragma.c (handle_pragma_diagnostic): New.
15610 (init_pragma): Register it.
15611 * doc/extend.texi: Document it.
15613 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15614 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15615 (diagnostic_context): Add classify_diagnostic[].
15616 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15617 as errors if they're overridden to DK_WARNING.
15618 (diagnostic_initialize): Initialize classify_diagnostic[].
15619 (diagnostic_set_kind_override): New.
15620 (diagnostic_report_diagnostic): Check for kind changes.
15621 * opts.c (common_handle_option): Take lang_mask. Update callers.
15622 Handle OPT_Werror_.
15623 * common.opt (Werror=): New.
15624 * doc/invoke.texi: Document -Werror=*
15626 2006-01-18 Jeff Law <law@redhat.com>
15628 * tree-vrp.c (test_for_singularity): Correct test for new
15629 min limit. Use operand_equal_p rather than pointer equality
15630 for testing if new min/max values are equal.
15632 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15633 using range information until after propagation and folding.
15635 2006-01-18 Richard Henderson <rth@redhat.com>
15636 Aldy Hernandez <aldyh@redhat.com>
15637 Jakub Jelinek <jakub@redhat.com>
15638 Diego Novillo <dnovillo@redhat.com>
15640 * omp-low.c: New file.
15641 * c-omp.c: New file.
15643 2006-01-18 Richard Henderson <rth@redhat.com>
15644 Jakub Jelinek <jakub@redhat.com>
15645 Diego Novillo <dnovillo@redhat.com>
15647 * doc/invoke.texi: Document -fopenmp.
15648 * tree-dump.h (debug_function): Declare.
15649 * hooks.c (hook_bool_tree_bool_false): New function.
15650 (hook_tree_tree_null): Remove.
15651 (hook_tree_tree_tree_null): New.
15652 * hooks.h: Update to match.
15653 * tree-pretty-print.c (debug_tree_chain): New.
15654 (print_generic_expr): Handle TDF_CHAIN.
15655 (dump_generic_node): Handle BLOCK.
15656 Do not abort with incomplete SWITCH_EXPRs.
15657 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15658 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15659 print space after directive name.
15660 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15661 Handle OMP_MASTER and OMP_ORDERED.
15662 Handle printing of OMP_BODY just in one place, goto
15663 dump_omp_body in the rest of OMP_* nodes that have
15665 Don't handle clause nodes here. Update omp statements to
15666 use dump_omp_clauses.
15667 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15668 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15669 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15670 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15671 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15672 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15673 Adjust output for GOMP_PARALLEL.
15674 (dump_omp_clauses): New.
15675 (print_declaration): Dump DECL_VALUE_EXPR.
15676 (op_symbol_1): Split out of op_symbol.
15677 (dumping_stmts): Remove. Update all users.
15678 * cgraph.c (cgraph_analyze_queue): New.
15679 (cgraph_add_new_function): New.
15680 * cgraph.h (cgraph_analyze_queue): Declare.
15681 (cgraph_add_new_function): Declare.
15682 (cgraph_lower_function): Remove.
15683 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15684 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15685 and TYPE_P nodes in its default clause.
15686 (empty_body_p): New.
15687 (tree_range_check_failed): New.
15688 (build5_stat): New.
15689 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15690 OMP_CLAUSE_REDUCTION_MERGE,
15691 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15692 OMP_CLAUSE_PRIVATE_DEBUG,
15693 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15694 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15695 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15696 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15697 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15698 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15699 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15700 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15701 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15702 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15703 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15704 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15705 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15706 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15707 (TREE_RANGE_CHECK): New.
15708 (empty_body_p): Declare.
15709 (enum omp_clause_default_kind): New.
15710 (build_string_literal): Declare.
15711 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15712 (build5_stat, build5): Declare.
15713 * tree-pass.h (TDF_CHAIN): Define.
15714 * tree-pass.h (PROP_gimple_lomp): Define.
15715 (pass_lower_omp): Declare.
15716 * diagnostic.h (debug_tree_chain): Declare.
15717 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15719 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15720 * builtins.c (build_string_literal): Make extern.
15721 * gcc.c (include_spec_function): New.
15722 (static_spec_functions): Add it.
15723 (main): Move load of libgomp.spec ...
15724 (LINK_COMMAND_SPEC): ... here.
15725 (link_gomp_spec): New.
15726 (static_specs): Include it.
15727 (LINK_COMMAND_SPEC): Add link_gomp.
15728 (GOMP_SELF_SPECS): New.
15729 (driver_self_specs): Include it.
15730 (switch_matches): Don't mark inline.
15731 (main): Load libgomp.spec.
15732 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15733 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15734 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15735 * tree-gimple.h (enum omp_parallel): Declare.
15736 (determine_parallel_type): Declare.
15737 (omp_firstprivatize_variable): Declare.
15738 (omp_reduction_init): Declare.
15739 (diagnose_omp_structured_block_errors): Declare.
15740 (struct walk_stmt_info): Add want_return_expr.
15741 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15742 (find_omp_clause): Declare.
15743 (insert_field_into_struct): Declare.
15744 (struct walk_stmt_info): Move from tree-nested.c
15745 (walk_stmts): Declare.
15746 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15748 * cgraphunit.c (cgraph_lower_function): Make static.
15749 (cgraph_finalize_pending_functions): New.
15750 (cgraph_finalize_function): Call it.
15751 (cgraph_finalize_compilation_unit): Likewise.
15752 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15753 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15754 (BT_FN_UINT_UINT): New.
15755 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15756 DEF_FUNCTION_TYPE_VAR_4): Document.
15757 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15758 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15759 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15760 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15761 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15762 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15763 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15764 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15765 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15766 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15767 into separate files.
15768 (DEF_GOMP_BUILTIN): New.
15769 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15770 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15771 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15772 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15773 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15774 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15775 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15776 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15777 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15778 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15779 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15780 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15781 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15782 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15783 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15784 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15785 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15786 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15787 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15788 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15789 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15790 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15791 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15792 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15793 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15794 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15795 * sync-builtins.def: New file, moved from builtins.def.
15796 * omp-builtins.def: New file, moved from builtins.def.
15797 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15798 * gimple-low.c (lower_function_body): Clear data.
15799 (lower_stmt): Do not handle COMPOUND_EXPR.
15800 Remove call to print_node_brief.
15801 * c-tree.h (c_finish_omp_clauses): New prototype.
15802 (C_DECL_THREADPRIVATE_P): Define.
15803 (lookup_name_no_remap, c_omp_remap_private): Remove
15804 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15805 (check_for_loop_decls): Update decl.
15806 (lookup_name_no_remap, c_omp_remap_private): Declare.
15807 (build_indirect_ref, build_modify_expr, pushdecl,
15808 pushdecl_top_level): Move to c-common.h.
15809 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15810 before the switch, but just in the 2 places that need it.
15811 * c-decl.c (diagnose_mismatched_decls): Do not check for
15812 mismatched thread-local attributes when OLDDECL is marked
15813 threadprivate and NEWDECL has no thread-local attributes.
15814 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15815 (c_gimple_diagnostics_recursively): Rename from
15816 c_warn_unused_result_recursively. Invoke
15817 diagnose_omp_structured_block_errors.
15818 (check_for_loop_decls): Return a singular decl found.
15819 * langhooks.c (lhd_omp_predetermined_sharing): Return
15820 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15821 (lhd_omp_firstprivatize_type_sizes): New.
15822 (lhd_omp_assignment): New.
15823 (lhd_omp_predetermined_sharing): New.
15824 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15825 (struct lang_hooks_for_types): Add
15826 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15827 omp_predetermined_sharing, omp_disregard_value_expr,
15828 omp_private_debug_clause, omp_clause_default_ctor,
15829 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15830 (c_finish_omp_clauses): New.
15831 (c_finish_bc_stmt): Diagnose break within omp for.
15832 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15833 (build_unary_op): Return error_mark after reporting
15835 (build_modify_expr): Likewise.
15836 * gimplify.c: Include optabs.h and pointer-set.h.
15837 (enum gimplify_omp_var_data): Declare.
15838 (struct gimplify_omp_ctx): Declare.
15839 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15841 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15842 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15843 (splay_tree_compare_decl_uid): New.
15844 (new_omp_context): New.
15845 (delete_omp_context): New.
15846 (gimple_add_tmp_var): Call omp_add_variable.
15847 (gimplify_bind_expr): Likewise.
15848 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15849 true, disregard DECL_VALUE_EXPR on the decl if any.
15850 (gimplify_expr_in_ctx): New.
15851 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15852 omp_add_variable, omp_notice_variable, omp_is_private
15853 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15854 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15855 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15856 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15857 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15858 gimplify_omp_atomic): New.
15859 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15860 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15861 OMP_CRITICAL and OMP_ATOMIC.
15862 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15863 * c-pragma.h (enum pragma_kind): Add
15864 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15865 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15866 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15867 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15868 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15869 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15870 PRAGMA_OMP_THREADPRIVATE.
15871 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15872 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15873 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15874 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15875 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15876 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15877 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15878 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15879 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15880 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15881 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15882 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15883 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15885 (struct nesting_info): Add field_map,
15886 suppress_expansion, debug_var_chain.
15887 (create_nesting_tree): Initialize them.
15888 (lookup_field_for_decl): Use field_map.
15889 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15890 (convert_local_omp_clauses): New.
15891 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15892 (walk_body): Split out of walk_function.
15893 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15894 (convert_nonlocal_reference): Handle omp statements.
15895 (convert_local_reference): Likewise.
15896 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15897 (unnest_nesting_tree): New.
15898 (lower_nested_functions): Call it.
15899 (insert_field_into_struct): Make extern.
15900 (struct walk_stmt_info): Move to tree-gimple.h.
15901 (walk_stmts): Make extern.
15902 * omp-builtins.def: New file.
15903 * tree-iterator.c (expr_only): Clarify comment.
15904 * c-common.h (pushdecl_top_level, pushdecl,
15905 build_modify_expr, build_indirect_ref,
15906 c_finish_omp_master, c_finish_omp_critical,
15907 c_finish_omp_ordered, c_finish_omp_barrier,
15908 c_finish_omp_atomic, c_finish_omp_flush,
15909 c_finish_omp_for, c_split_parallel_clauses,
15910 omp_clause_default_kind, c_omp_sharing_predetermined,
15911 c_omp_remap_decl): Declare.
15912 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15913 (OBJS-common): Add omp-low.o.
15914 (c-omp.o, omp-low.o): Add.
15915 (gimplify.o): Add dependency on $(OPTABS_H).
15916 (GTFILES): Add omp-low.c.
15917 (gt-stringpool.h): Add.
15918 * tree-cfg.c (set_bb_for_stmt): Do not update the
15919 block-to-labels map if we are currently expanding to RTL.
15920 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15922 Handle IDENTIFIER_NODE.
15923 (tree_verify_flow_info): Do not ICE when emitting error
15924 messages about invalid labels.
15925 (dump_function_to_file): Reset CFUN before emitting the body
15927 (debug_function): New.
15928 * passes.c (init_optimization_passes): Schedule
15930 * langhooks-def.h (lhd_omp_predetermined_sharing,
15931 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15933 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15934 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15935 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15936 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15937 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15938 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15939 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15940 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15941 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15942 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15943 (LANG_HOOK_DECLS): Use them.
15945 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15946 Richard Henderson <rth@redhat.com>
15947 Jakub Jelinek <jakub@redhat.com>
15948 Diego Novillo <dnovillo@redhat.com>
15950 * c-parser.c (pragma_omp_clause): Define.
15951 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15952 (c_parser_compound_statement): Likewise.
15953 (c_parser_statement): Likewise.
15954 (c_parser_pragma): Handle omp pragmas.
15955 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15956 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15957 (c_parser_omp_clause_name, check_no_duplicate_clause,
15958 c_parser_omp_variable_list,
15959 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15960 c_parser_omp_clause_copyprivate,
15961 c_parser_omp_clause_default,
15962 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15963 c_parser_omp_clause_lastprivate,
15964 c_parser_omp_clause_nowait,
15965 c_parser_omp_clause_num_threads,
15966 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15967 c_parser_omp_clause_reduction,
15968 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15969 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15970 c_parser_omp_atomic, c_parser_omp_barrier,
15971 c_parser_omp_critical, c_parser_omp_flush,
15972 c_parser_omp_for_loop, c_parser_omp_for,
15973 c_parser_omp_master, c_parser_omp_ordered,
15974 c_parser_omp_sections_scope, c_parser_omp_sections,
15975 c_parser_omp_parallel, c_parser_omp_single,
15976 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15977 * c-pragma.c (init_pragma): Do omp pragma registration here.
15978 * c.opt (fopenmp): New flag.
15980 2006-01-18 Eric Christopher <echristo@apple.com>
15982 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15983 * config/darwin.h (GOMP_SELF_SPECS): Define.
15985 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15987 * rtl.h: Remove the prototype for reg_alloc.
15989 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15992 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15993 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15994 sjlj and dwarf2 exception handling.
15995 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15996 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15997 * pa/pa.c (function_value): Treat complex and vector types as
15999 (function_arg): Likewise. Only pass scalar floats in the floating
16000 point argument registers.
16001 * pa/t-slibgcc-dwarf-ver: New file.
16002 * pa/t-slibgcc-sjlj-ver: New file.
16003 * pa/t-slibgcc-elf-ver: Delete file.
16005 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16007 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16008 unlikely_test_section_p test.
16010 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16012 * mode-switching.c (optimize_mode_switching): Make it static.
16013 * basic-block.h: Remove the prototype for
16014 optimize_mode_switching.
16016 * modulo-sched.c (sms_schedule): Make it static.
16017 * rtl.h: Remove the prototype for sms_schedule.
16019 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16020 * rtl.h: Remove the prototype for gcse_after_reload_main.
16022 * reg-stack.c (reg_to_stack): Make it static.
16023 * rtl.h: Remove the prototype for reg_to_stack.
16025 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16027 * rtl.h: Remove the prototypes for regrename_optimize and
16028 copyprop_hardreg_forward.
16030 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16032 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16033 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16034 Test against the appropriate null constant for the mode.
16035 If 'fixup_overlap' is true, swap the operands if they overlap.
16036 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16037 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16038 alpha_split_tmode_pair and adjust for above change.
16039 * config/alpha/alpha.md (movtf_internal): Adjust call to
16040 alpha_split_tfmode_pair and rely on it to swap the operands.
16041 (movti_internal): New insn and post-reload splitter.
16042 (movti): New expander.
16044 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16046 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16049 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16051 * rtlanal.c (global_reg_mentioned_p_1,
16052 global_reg_mentioned_p): Remove.
16053 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16055 * flow.c (initialize_uninitialized_subregs): Make it static.
16056 * rtl.h: Remove the prototype for
16057 initialize_uninitialized_subregs.
16059 * function.c (instantiate_virtual_regs): Make it static.
16060 * function.h: Remove the prototype for
16061 instantiate_virtual_regs.
16063 * regmove.c (regmove_optimize, combine_stack_adjustments):
16065 * rtl.h: Remove the prototypes for regmove_optimize and
16066 combine_stack_adjustments.
16068 2006-01-17 Roger Sayle <roger@eyesopen.com>
16070 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16071 (size_cost): Encode costs in bytes so that a reg-reg addition is
16072 equivalent to COSTS_N_INSNS(1).
16073 (override_options): Use the size_cost.branch_cost as the default
16074 ix86_branch_cost when optimizing for size.
16076 2006-01-18 Ben Elliston <bje@au.ibm.com>
16078 * Makefile.in (D32PBIT_FUNCS): New.
16079 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16080 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16081 D64PBIT_FUNCS and D128PBIT_FUNCS.
16082 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16083 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16085 (decnumber_dep): Define.
16086 * doc/libgcc.texi (Decimal float library routines): New node.
16087 * config/dfp-bit.h, config/dfp-bit.c: New files.
16089 2006-01-18 Ben Elliston <bje@au.ibm.com>
16091 * expr.c (emit_move_change_mode): Always adjust addresses, not
16092 just during reload. Copy replacements only during reload.
16093 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16094 emit_move_via_integer.
16096 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16098 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16099 instead of $(srcdir) and ${srcdir}.
16101 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16104 PR middle-end/11135
16105 * arm.h (struct machine_function): Add pic_reg.
16106 * arm.c (arm_pic_register): Make unsigned.
16107 (arm_override_options): Only set arm_pic_register if
16108 TARGET_SINGLE_PIC_BASE.
16109 (use_return_insn): Only test for a pic register if it is fixed.
16110 (arm_compute_save_reg0_reg12_mask): Likewise.
16111 (thumb_compute_save_reg_mask): Likewise.
16112 (legitimate_pic_operand): Factor out some known invariants.
16113 (legitimize_pic_address): If we don't have a fixed pic register,
16114 then set up a pseudo in the function entry sequence. Handle the
16115 pic base being in a pseudo.
16116 (arm_load_pic_register): Handle the pic register being in a pseudo.
16117 (arm_expand_prologue): Only set up the pic register if it is fixed.
16118 (thumb_expand_prologue): Likewise.
16119 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16120 (pic_load_addr_based_insn): Likewise.
16121 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16124 2006-01-18 Ben Elliston <bje@au.ibm.com>
16126 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16127 decimal float modes for all floating point registers.
16129 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16130 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16132 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16135 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16136 even when the pointer is not NULL.
16138 2006-01-16 Ian Lance Taylor <ian@airs.com>
16140 * common.opt (ftoplevel-reorder): New option.
16141 * cgraph.c (cgraph_asm_nodes): New global variable.
16142 (cgraph_asm_last_node): New static variable.
16143 (cgraph_order): New global variable.
16144 (cgraph_create_node): Set new order field.
16145 (cgraph_varpool_node): Likewise.
16146 (decide_is_variable_needed): Return true if not
16147 flag_toplevel_reorder.
16148 (cgraph_add_asm_node): New function.
16149 * cgraph.h (struct cgraph_node): Add order field.
16150 (struct cgraph_varpool_node): Add order field.
16151 (struct cgraph_asm_node): Define.
16152 (cgraph_asm_nodes, cgraph_order): Declare.
16153 (cgraph_add_asm_node): Declare.
16154 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16156 (cgraph_varpool_assemble_pending_decls): Call it.
16157 (cgraph_output_pending_asms): New static function.
16158 (cgraph_finalize_compilation_unit): Call it.
16159 (struct cgraph_order_sort): Define.
16160 (cgraph_output_in_order): New static function.
16161 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16162 !flag_toplevel_reorder case.
16163 * c-parser.c: Include "cgraph.h".
16164 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16166 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16167 than -fno-unit-at-a-time.
16168 * doc/invoke.texi (Option Summary): Mention
16169 -fno-toplevel-reorder.
16170 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16171 -funit-at-a-time documentation.
16173 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16174 Kazu Hirata <kazu@codesourcery.com>
16176 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16178 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16180 * Makefile.in (FUNCTION_H): New. Use it instead of
16181 function.h throughout the file.
16182 * function.h: Include tree.h.
16184 2006-01-17 Ben Elliston <bje@au.ibm.com>
16186 * recog.c: Separate some functions with whitespace.
16188 2006-01-16 Richard Henderson <rth@redhat.com>
16190 Merge from gomp branch:
16191 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16192 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16193 and rename from struct inline_data. Rename callee* to dst*;
16194 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16195 transform_new_cfg, transform_return_to_modify, and
16196 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16198 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16199 (copy_decl_for_dup): Remove.
16200 * tree-inline.c (struct inline_data): Move to header.
16201 (insert_decl_map): Export.
16202 (remap_decl): Update for member name changes. Use copy_decl hook.
16203 Allow for replacement to be a non-decl. Remove dead code.
16204 (remap_type_1): Check for existing mapping.
16205 (remap_type): Export.
16206 (remap_decls): Update for member name changes.
16207 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16208 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16209 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16210 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16211 (tree_function_versioning, build_duplicate_type): Likewise.
16212 (copy_body_r): Likewise. Export.
16213 (copy_decl_for_dup): Split into ...
16214 (copy_decl_for_dup_finish, copy_decl_to_var,
16215 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16216 (replace_ref_tree, inlining_p): Remove.
16218 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16220 * ifcvt.c (if_convert): Make it static.
16221 * rtl.h: Remove the prototype for if_convert.
16223 * local-alloc.c (local_alloc): Make it static.
16224 * rtl.h: Remove the prototype for local_alloc.
16226 * loop.c (loop_optimize): Make it static.
16227 * cfgloop.h: Remove the prototype for loop_optimize.
16230 2006-01-16 DJ Delorie <dj@redhat.com>
16232 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16235 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16237 * pa.md: Disparage copies between general and floating-point registers
16238 in 32-bit move patterns.
16240 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16243 * Makefile.in (check-%): Depend on site.exp instead of
16244 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16247 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16249 * global.c (global_alloc): Make it static.
16250 * rtl.h: Remove the prototype for global_alloc.
16252 2006-01-16 Richard Guenther <rguenther@suse.de>
16254 * tree-ssa-alias.c (struct used_part): Add write_only field.
16255 (get_or_create_used_part_for): Initialize it to true.
16256 (create_overlap_variables_for): Don't create structure variables
16257 for structures that only are written to.
16258 (find_used_portions): Handle MODIFY_EXPR to track whether a
16259 structure is only written to.
16261 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16263 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16265 * basic-block.h: Remove the prototype for
16266 partition_hot_cold_basic_blocks.
16268 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16270 * cppspec.c (lang_specific_spec_functions): Remove.
16271 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16272 * gcc.h (lang_specific_spec_functions): Remove.
16273 * gccspec.c (lang_specific_spec_functions): Remove.
16275 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16277 * combine.c (record_value_for_reg): Invalidate registers
16279 (record_dead_and_set_regs_1): Likewise, by passing them to
16280 record_value_for_reg.
16281 (record_dead_and_set_regs): Invalidate stores made by a
16282 call. We do not combine across a call, but we still
16283 relied on equivalences.
16285 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16287 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16288 vrp_int_const_binop returning non-constant nodes.
16290 2006-01-16 Paul Brook <paul@codesourcery.com>
16292 * config/m68k/m68k.c (output_move_const_into_data_reg):
16293 Output correct mnemonic for mvz and mvs.
16295 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16297 * rtl-factoring.c: Add sequence abstraction algorithm.
16298 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16299 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16301 (block_has_preserve_label): New function.
16302 * common.opt: Register new pass.
16303 * Makefile.in: Ditto.
16305 * timevar.def: Ditto.
16306 * tree-pass.h: Ditto.
16307 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16308 * rtl.h (make_jump_insn_raw): Add forward decl.
16309 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16311 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16312 Roger Sayle <roger@eyesopen.com>
16314 * fold-const.c (fold_minmax): New static function.
16315 (fold_binary) <MIN_EXPR>: Call it.
16316 <MAX_EXPR>: Likewise.
16317 * stor-layout.c (place_field): Use DECL_SIZE consistently
16318 in the computation of the new record size.
16320 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16322 * cse.c (cse_condition_code_reg): Make it static.
16323 * rtl.h: Remove the prototype for cse_condition_code_reg.
16325 * combine.c (combine_instructions): Make it static.
16326 * rtl.h: Remove the prototype for combine_instructions.
16328 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16331 * tree.c (get_file_function_name_long): Concatenate the first global
16332 object name with a string derived from the input filename of the object
16335 2006-01-16 Ben Elliston <bje@au.ibm.com>
16337 * config/i386/winnt-stubs.c: Update FSF address.
16338 * config/xtensa/ieee754-df.S: Ditto.
16339 * config/xtensa/ieee754-sf.S: Ditto.
16341 2006-01-14 Ian Lance Taylor <ian@airs.com>
16343 * ifcvt.c (noce_init_if_info): New static function, broken out of
16344 noce_process_if_block.
16345 (noce_process_if_block): Call noce_init_if_info.
16346 (check_cond_move_block): New static function.
16347 (cond_move_process_if_block): New static function.
16348 (process_if_block): Call cond_move_process_if_block.
16350 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16352 * cselib.c (hash_table): Rename to cselib_hash_table.
16353 (cselib_clear_table, discard_useless_values,
16354 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16355 cselib_init, cselib_finish): Adjust uses of hash_table.
16357 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16359 PR tree-optimization/25485
16360 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16361 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16362 is known to be false and true, respectively.
16364 2006-01-14 Richard Guenther <rguenther@suse.de>
16366 PR tree-optimization/22548
16367 PR tree-optimization/22555
16368 PR tree-optimization/22501
16369 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16370 * params.def (salias-max-array-elements): New parameter.
16371 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16372 * doc/invoke.texi (salias-max-array-elements): Document.
16373 * tree-flow-inline.h (var_can_have_subvars): We also handle
16375 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16377 * tree-ssa-structalias.c (params.h): Include.
16378 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16379 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16380 (get_constraint_for): For ADDR_EXPR operating on something
16381 containing an ARRAY_REF, add all subvars to the solution.
16382 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16383 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16384 for creating MUST_DEFs.
16385 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16387 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16389 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16391 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16392 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16393 number_of_iterations_le): New functions.
16394 (number_of_iterations_special): Removed.
16395 (number_of_iterations_exit): Do not use number_of_iterations_special.
16396 * tree.c (unsigned_type_for): Always return integer type.
16398 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16399 Richard Guenther <rguenther@suse.de>
16401 PR rtl-optimization/24257
16402 * gcse.c (find_moveable_store): Only consider a store movable
16403 when the SET_SRC of the insn can be assigned to a register.
16405 2006-01-14 Ian Lance Taylor <ian@airs.com>
16407 * tree.c (tree_not_class_check_failed): New function.
16408 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16409 (tree_not_class_check_failed): Declare.
16411 2006-01-13 Ian Lance Taylor <ian@airs.com>
16413 * reload1.c (do_output_reload): Add assertion rejecting a
16416 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16418 * combine.c (struct reg_stat): Add new fields truncation_label and
16420 (record_value_for_reg): Reset truncated_to_mode.
16421 (record_truncated_value): New function.
16422 (check_promoted_subreg): Call it. Rename to check_conversions.
16423 (combine_instructions): Rename check_promoted_subreg to
16425 (reg_truncated_to_mode): New function.
16426 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16427 (gen_lowpart_or_truncate): New function.
16428 (force_to_mode): Use it instead of gen_lowpart.
16430 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16432 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16433 VAR is a tag, not its type tag.
16435 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16437 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16438 alternatives to match style of other entries.
16439 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16441 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16443 PR tree-optimization/25771
16444 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16447 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16450 * tree-inline.c (declare_return_variable): If the return variable
16451 was marked as a non gimple complex, set the return slot variable
16452 to be a non gimple comple variable.
16454 2006-01-13 Richard Guenther <rguenther@suse.de>
16456 * builtins.c (expand_builtin_sincos): New function.
16457 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16459 (expand_builtin): Expand sincos using expand_builtin_sincos.
16461 2006-01-12 DJ Delorie <dj@redhat.com>
16463 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16464 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16465 so that constant shifts can be split.
16466 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16467 (m32c_valid_pointer_mode): Make static.
16468 (shift_gen_func_for): New.
16469 (m32c_prepare_shift): Use it. Split large const shifts into
16471 * config/m32c/predicates.md (shiftcount_operand): Allow more
16473 (longshiftcount_operand): New.
16474 * doc/md.texi (Machine Constraints): Document In6.
16476 2006-01-13 Ben Elliston <bje@au.ibm.com>
16478 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16479 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16482 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16484 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16485 to try to avoid clobbering pieces of structures when we know
16486 something about the whole structure.
16487 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16489 2006-01-13 Ben Elliston <bje@au.ibm.com>
16491 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16492 return in memory, as this is no limitation is no longer present.
16494 2006-01-12 DJ Delorie <dj@redhat.com>
16496 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16497 mova with fb, and for fb+0 -> An.
16499 * config/m32c/mov.md (peephole2): Fix enabling logic.
16501 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16502 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16503 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16504 FINI_ARRAY_SECTION_ASM_OP): Define.
16506 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16508 (m32c_legitimize_reload_address): New logic to reload FB to An.
16509 (m32c_output_reg_push): Add newline.
16510 (m32c_output_reg_pop): Likewise.
16512 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16514 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16516 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16518 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16520 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16522 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16525 2006-01-11 Ben Elliston <bje@au.ibm.com>
16527 * rtlanal.c (find_reg_note): Assert insn is not null.
16529 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16531 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16534 2006-01-11 Jeff Law <law@redhat.com>
16536 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16538 (mark_threaded_blocks, register_jump_thread): New functions.
16539 (thread_through_all_blocks): Remove unwanted argument. No
16540 longer rely on e->aux to communicate thread target info.
16541 Call mark_threaded_blocks. Release the threaded_blocks
16542 bitmap and threaded_edges vector when complete.
16543 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16544 (threaded_blocks): Remove.
16545 (tree_ssa_dominator_optimize): Remove initialization and
16546 finalization of threaded_blocks. Simplify call to
16547 thread_through_all_blocks.
16548 (thread_across_edge): Call register_jump_thread rather than
16549 storing thread information into e->aux.
16550 (free_all_edge_infos): Simplify now that e->aux is no longer
16551 used to communicate with thread_through_all_blocks.
16552 * tree-flow.h (thread_through_all_blocks): Update prototype.
16553 (register_jump_thread): Prototype.
16555 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16557 * df-core.c (df_compact_blocks, df_bb_replace): Use
16558 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16560 2006-01-11 Richard Guenther <rguenther@suse.de>
16562 PR tree-optimization/25734
16563 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16564 stop propagation after successful propagation to the LHS.
16566 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16568 * basic-block.h (control_flow_graph): Change the type of
16569 x_basic_block_info to VEC(basic_block,gc) *.
16570 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16572 (SET_BASIC_BLOCK): New.
16573 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16574 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16575 * cfgbuild.c (find_basic_blocks): Likewise.
16576 * cfglayout.c (fixup_reorder_chain): Likewise.
16577 * cfgrtl.c (create_basic_block_structure,
16578 rtl_create_basic_block): Likewise.
16579 * ifcvt.c (find_if_case_1): Likewise.
16580 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16583 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16585 * Makefile.in: Removed rotted odf.c entry.
16587 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16590 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16591 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16592 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16593 output pattern modifier, not %e.
16594 * config/cris/cris.c (cris_op_str): Update comment about pattern
16596 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16597 before falling through into...
16598 <case 'E'>: Redefined from old 'e' case.
16600 2006-01-11 Jan Hubicka <jh@suse.cz>
16603 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16605 2006-01-11 Jan Hubicka <jh@suse.cz>
16607 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16608 * i386.c (x86_decompose_lea): Kill.
16609 (ix86_rtx_costs): Kill.
16611 2006-01-11 Jan Hubicka <jh@suse.cz>
16613 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16614 * cgraph.h (cgraph_node): Add inline_decl.
16615 (cgraph_insert_node_to_hashtable): Declare.
16616 (save_inline_function_body): Declare.
16617 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16619 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16620 (cgraph_function_versioning): Update call of tree_function_versioning.
16621 (save_inline_function_body): New function.
16622 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16623 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16624 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16625 (cgraph_default_inline_p): Likewise.
16626 (cgraph_decide_inlining_incrementally): Likewise.
16627 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16628 (copy_bb): Kill saving; do updating of clones.
16629 (copy_cfg_body): Kill saving.
16630 (initialize_inlined-parameters): Likewise.
16631 (expand_call_inline): Likewise.
16633 (tree_function_versioning): New parameter "update_clones".
16634 (inlining_p): Kill saving.
16635 * tree-inline.h (tree_function_versioning): Update prototype.
16636 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16639 2006-01-11 Ian Lance Taylor <ian@airs.com>
16641 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16642 Allow undoing set of machine mode.
16643 (do_SUBST): Use enums instead of is_int.
16644 (do_SUBST_MODE): New function.
16645 (SUBST_MODE): New macro.
16646 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16647 reg and trying to replace reg_regno_rtx with a new register.
16648 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16649 (simplify_set): Use SUBST_MODE.
16650 (distribute_notes): Remove code that tried to update reg notes
16651 for regno_reg_rtx changes.
16653 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16655 PR tree-optimization/23109
16656 PR tree-optimization/23948
16657 PR tree-optimization/24123
16659 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16660 * tree-cfg.c (single_noncomplex_succ): New.
16661 * tree-flow.h (single_noncomplex_succ): Declare it.
16662 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16663 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16664 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16665 insert_bb, register_division_in, insert_reciprocals,
16666 replace_reciprocal, free_bb): New.
16667 (execute_cse_reciprocals_1): Rewritten.
16668 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16669 Do not commit any edge insertion. Always compute dominators and
16670 create the allocation pool.
16671 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16672 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16673 * targhooks.c (default_min_divistions_for_recip_mul): New.
16674 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16675 * passes.c (init_optimization_passes): Run recip after tree loop
16677 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16679 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16680 Kenneth Zadeck <zadeck@naturalbridge.com>
16682 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16683 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16684 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16685 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16686 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16687 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16688 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16689 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16690 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16691 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16692 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16693 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16694 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16695 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16696 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16697 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16698 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16699 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16700 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16701 DF_SCAN_POST_ALLOC): New macros.
16702 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16703 df_free_bb_function, df_local_compute_function, df_init_function,
16704 df_dataflow_function, df_confluence_function_0,
16705 df_confluence_function_n, df_transfer_function,
16706 df_finalizer_function, df_free_function, df_dump_problem_function,
16707 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16708 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16709 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16710 df_urec_bb_info, ) New types.
16711 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16713 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16714 df_analyze_simple_change_some_blocks,
16715 df_analyze_simple_change_one_block, df_compact_blocks,
16716 df_bb_replace, df_bb_regno_last_use_find,
16717 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16718 df_insn_regno_def_p, df_find_def, df_find_use,
16719 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16720 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16721 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16722 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16723 debug_df_chain, df_get_dependent_problem, df_chain_create,
16724 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16725 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16726 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16727 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16728 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16729 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16730 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16731 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16732 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16733 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16734 df_reorganize_refs, df_set_state, df_hard_reg_init,
16735 df_read_modify_subreg_p) New public functions.
16736 * df-core.c: The core dataflow solver and glue routines for rtl
16738 (df_init, df_add_problem, df_set_blocks, df_finish,
16739 df_hybrid_search_forward, df_hybrid_search_backward,
16740 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16741 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16742 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16743 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16744 df_reg_defined, df_find_use, df_reg_used, df_dump,
16745 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16746 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16747 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16748 debug_df_useno, reset_df_after_reload): New functions.
16749 * df-scan.c: The scanning fuctions, once in df.c, completely
16750 rewritten so that they now fully model the functionality of
16751 register usage at the backend.
16752 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16753 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16754 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16755 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16756 df_get_artificial_defs, df_get_artificial_uses,
16757 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16758 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16759 df_refs_delete, df_reorganize_refs, df_set_state,
16760 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16761 df_def_record_1, df_defs_record, df_uses_record,
16762 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16763 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16764 df_record_exit_block_uses, df_hard_reg_init): New functions.
16766 * df-problems.c: Seven concrete dataflow problems that use the
16767 scanning in df-scan.c and are solved by the engine in df-core.c.
16768 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16769 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16770 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16771 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16772 df_ru_free_bb_info, df_ru_alloc,
16773 df_ru_bb_local_compute_process_def,
16774 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16775 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16776 df_ru_transfer_function, df_ru_free, df_ru_dump,
16777 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16778 df_rd_free_bb_info, df_rd_alloc,
16779 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16780 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16781 df_rd_transfer_function, df_rd_free, df_rd_dump,
16782 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16783 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16784 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16785 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16786 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16787 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16788 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16789 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16790 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16791 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16792 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16793 df_urec_mark_reg_use_for_earlyclobber,
16794 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16795 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16796 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16797 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16798 df_chain_create_bb_process_use, df_chain_create_bb,
16799 df_chain_finalize, df_chain_free, df_chains_dump,
16800 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16801 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16802 df_reg_lifetime): New functions.
16803 * df.c: Deleted file.
16804 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16805 consistent with new df api.
16806 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16807 rest_of_handle_sms): Ditto.
16808 * web.c (unionfind_union, union_defs, entry_register, web_main):
16810 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16811 invariant_expr_equal_p, find_defs, check_dependencies,
16812 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16813 free_inv_motion_data, move_loop_invariants): Ditto.
16814 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16815 Update dependencies.
16816 (odf.c): Added defective entry that was deleted later in day.
16817 * sched-deps.c (sched_analyze_1): Ditto.
16819 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16821 * tree-ssa-operands.c (get_expr_operands): Record addressable
16822 variables directly. Do not call add_stmt_operands for CONST_DECLs
16824 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16825 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16827 2006-01-11 Ben Elliston <bje@au.ibm.com>
16829 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16830 function returns true in the positive case.
16832 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16835 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16836 for SI, DI, SF and DF modes. Add alternatives to copy between
16837 general and floating point registers to the 32-bit patterns.
16838 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16839 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16840 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16841 generating 64-bit code.
16842 * config/pa/pa.c (output_move_double): Handle copies between general
16843 and floating registers.
16845 2006-01-10 Stuart Hastings <stuart@apple.com>
16847 * config/i386/i386.md (set_got): Update.
16848 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16849 (builtin_setjmp_receiver): Mach-O support.
16850 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16851 (GOT_SYMBOL_NAME): Define.
16852 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16853 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16854 * config/i386/i386.c (override_options): Revise for Darwin.
16855 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16856 support. (darwin_x86_file_end): New. (output_set_got): Add label
16857 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16858 * config/i386/i386-protos.h (output_set_got): Likewise.
16859 * config/darwin.c (machopic_legitimize_pic_address): Update
16862 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16864 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16865 when MODE isn't BLKmode.
16867 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16869 PR rtl-optimization/25367
16870 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16872 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16875 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16876 for a negative bound.
16878 2006-01-10 Richard Guenther <rguenther@suse.de>
16880 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16881 Never override with anything constraint.
16883 2006-01-10 Jan Beulich <jbeulich@novell.com>
16885 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16886 256 bits when optimize_size.
16888 2006-01-10 Jan Beulich <jbeulich@novell.com>
16890 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16892 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16893 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16896 2006-01-10 Ben Elliston <bje@au.ibm.com>
16898 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16900 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16901 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16902 (USE_FP_FOR_ARG): Reject decimal float modes.
16903 (function_arg_advance): Likewise.
16904 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16905 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16906 point types in AltiVec vectors.
16907 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16908 (rs6000_libcall_value): Likewise.
16910 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16912 * config/xtensa/ieee754-df.S: New file.
16913 * config/xtensa/ieee754-sf.S: New file.
16914 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16915 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16916 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16918 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16920 * config/sh/predicates.md (binary_float_operator,
16921 binary_logical_operator, commutative_float_operator,
16922 equality_comparison_operator, greater_comparison_operator,
16923 less_comparison_operator, logical_operator,
16924 noncommutative_float_operator, shift_operator,
16925 symbol_ref_operand, unary_float_operator): Remove redundant
16928 2006-01-09 Jeff Law <law@redhat.com>
16930 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16931 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16932 now unused arguments. Callers updated.
16933 (eliminate_redundant_computations): Remove now unused arguments,
16935 (local_fold): Remove, no longer used.
16936 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16938 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16939 (simplify_cond): New function.
16940 (forward_propagate_into_cond): Call simplify_cond.
16942 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16944 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16945 (*vec_extractv2di_1_sse): New.
16947 2006-01-09 Ben Elliston <bje@au.ibm.com>
16949 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16951 2006-01-08 Richard Guenther <rguenther@suse.de>
16953 * tree-ssa-structalias.c (get_constraint_for): Remove
16954 anyoffset argument.
16955 (get_constraint_for_component_ref): Likewise.
16956 (do_deref): Likewise.
16957 (get_constraint_for): Likewise.
16958 (do_structure_copy): Likewise.
16959 (handle_ptr_arith): Likewise.
16960 (find_func_aliases): Likewise. Remove unused need_anyoffset
16963 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16964 Kaz Kojima <kkojima@gcc.gnu.org>
16966 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16967 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16968 (EXTRA_CONSTRAINT_C16): Remove.
16969 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16970 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16971 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16972 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16973 constants of SHmedia. Handle nested constant expressions of
16975 (andcosts): Fix the costs for SHmedia constants.
16976 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16977 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16978 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16979 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16980 (movv4hi_i, movv2si_i): Likewise.
16981 (movsi_const): Adjust the second operand of ior so to match with
16982 the Csu constraint.
16983 (movdi_const, movdi_const_32bit): Likewise.
16984 (movdi_const_16bit+1): Don't sign-extend LOW.
16985 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16987 (*double_shori): Fix the split condition. Use GEN_INT instead
16988 of get_int_mode calls. Mask lower 16-bit of the argument of
16990 (sym2GOTPLT): Remove.
16991 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16993 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16994 instead of EXTRA_CONSTRAINT_C16.
16996 2006-01-07 Ian Lance Taylor <ian@airs.com>
16997 David Edelsohn <edelsohn@gnu.org>
16999 PR rtl-optimization/25662
17000 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17001 for constant operands instead of simplify_gen_binary.
17002 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17003 after trying simplify_binary_operation
17005 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17007 * tree.c (iterative_hash_expr): Hash decls based on UID.
17009 2006-01-06 Eric Christopher <echristo@apple.com>
17011 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17012 (TARGET_UNWIND_EMIT): Fix spelling.
17013 * target.h (gcc_target): Add except_table_label.
17014 * except.c (output_function_exception_table): Use.
17015 * varasm.c (default_emit_except_table_label): New.
17016 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17018 (asm_out): Add here.
17019 * output.h (default_emit_except_table_label): Prototype.
17020 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17021 * config/darwin.c (darwin_emit_except_table_label): Define.
17022 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17024 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17026 PR tree-optimization/18527
17027 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17028 number_of_iterations_special, number_of_iterations_exit):
17029 Move base and step of an iv to a single structure. Add
17030 no_overflow flag, and use it in # of iterations analysis.
17031 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17032 folded_casts argument.
17033 (simple_iv): Pass base and step in a structure. Set no_overflow
17035 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17036 Evaluate expensiveness of computing # of iterations instead of
17037 the final expression.
17038 * tree-scalar-evolution.h (affine_iv): New structure.
17039 (simple_iv): Declaration changed.
17040 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17041 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17042 find_givs_in_stmt): Changed due to simple_iv change.
17044 2006-01-06 Jeff Law <law@redhat.com>
17047 * tree-cfg.c (bsi_replace): Rename final argument from
17048 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17049 change (stmt -> orig_stmt).
17050 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17051 (bsi_remove): Add new argument. Remove EH information
17053 (verify_eh_throw_table_statements): New function.
17054 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17056 * tree-optimize.c (execute_free_cfg_annotations): Verify
17057 the EH throw statement table after removing annotations.
17058 * except.h (verify_eh_throw_table_statements): Prototype.
17059 * tree-flow.h (bsi_remove): Update prototype.
17060 * tree-vrp.c (remove_range_assertions): Add new argument to
17062 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17063 * tree-complex.c (expand_complex_div_wide): Likewise.
17064 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17065 * tree-tailcall.c (eliminate_tailcall): Likewise.
17066 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17067 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17068 * tree-nrv.c (tree_nrv): Likewise.
17069 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17070 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17071 (combine_blocks): Likewise.
17072 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17073 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17074 (cleanup_control_flow): Likewise.
17075 (remove_forwarder_block): Likewise.
17076 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17077 * tree-sra.c (sra_replace): Likewise.
17078 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17079 (forward_propagate_single_use_vars): Likewise.
17080 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17081 * tree-inline.c (expand_call_inline): Likewise.
17082 * tree-vect-transform.c (vect_transform_loop): Likewise.
17083 * tree-outof-ssa.c (rewrite_trees): Likewise.
17084 * tree-cfg.c (make_goto_expr_edges): Likewise.
17085 (cleanup_dead_labels): Likewise.
17086 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17087 (bsi_move_before, bsi_move_after): Likewise.
17088 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17089 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17091 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17094 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17096 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17097 on non gimple variables. Also add checks at the top for decls and
17099 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17101 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17102 and IMAGPART_EXPR for creating MUST_DEFs.
17103 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17104 and NAME_MEMORY_TAG separately from the DECLs.
17106 2006-01-06 Richard Guenther <rguenther@suse.de>
17108 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17109 annotation, if necessary.
17110 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17111 redundant calls to update_stmt.
17112 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17115 2006-01-05 Richard Henderson <rth@redhat.com>
17117 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17119 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17121 * c-typeck.c: Update copyright date.
17123 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17125 * c-typeck.c (build_c_cast): Always warn when casting
17126 from a pointer to an integer of different size, even if
17127 the node was constant.
17129 2006-01-05 Richard Guenther <rguenther@suse.de>
17131 PR tree-optimization/22555
17132 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17133 if one structure field is an array.
17134 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17135 operands even if we found a subvar, but ignore VOPs in this
17137 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17139 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17141 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17143 PR middle-end/24998
17144 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17146 2006-01-05 Richard Guenther <rguenther@suse.de>
17147 Diego Novillo <dnovillo@redhat.com>
17149 * tree-pass.h (TODO_remove_unused_locals): Define.
17150 * gimple-low.c (expand_var_p, remove_useless_vars,
17151 pass_remove_useless_vars): Remove. Update all users.
17152 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17153 (remove_unused_locals): New function.
17154 * tree-flow.h (remove_unused_locals): Declare.
17155 * passes.c (execute_todo): Call remove_unused_locals if
17156 TODO_remove_unused_locals is set.
17157 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17158 * tree-ssa-dce.c (pass_dce): Likewise.
17159 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17161 2006-01-05 Richard Guenther <rguenther@suse.de>
17163 * tree-flow.h (struct fieldoff): Decompose field to
17164 type, size and decl.
17165 * tree-ssa-alias.c (create_sft): Take type as parameter.
17166 (create_overlap_variables_for): Store type, size and decl
17167 in the fieldoff structure.
17168 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17169 of struct fieldoff.
17170 (push_fields_onto_fieldstack): Likewise.
17171 (create_variable_info_for): Likewise. Use offset for the
17172 SFT name if the decl is not available.
17174 2006-01-04 Paul Brook <paul@codesourcery.com>
17176 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17178 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17180 * lambda-code.c (can_put_in_inner_loop): Relax
17182 (can_put_after_inner_loop): New function.
17183 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17184 (perfect_nestify): Change to make copies and modify uses.
17186 2006-01-04 Richard Henderson <rth@redhat.com>
17188 Merge from gomp branch:
17189 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17190 via integer constant.
17191 (pragma_lex): Remove.
17192 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17193 rather than parsing it.
17194 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17195 handle_pragma_extern_prefix): Add %< %> quotes.
17196 (registered_pragmas): New.
17197 (c_register_pragma_1): New.
17198 (c_register_pragma): Use it.
17199 (c_register_pragma_with_expansion): Likewise.
17200 (c_invoke_pragma_handler): New.
17201 (init_pragma): Use cpp_register_deferred_pragma directly for
17203 * c-pragma.h (enum pragma_kind): New.
17204 (pragma_handler): New.
17205 (c_invoke_pragma_handler): Declare.
17206 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17208 * c-common.h (c_common_pch_pragma): Update decl.
17209 * Makefile.in (c-parser.o): Update dependencies.
17210 (GTFILES): Add c-pragma.h.
17211 * c-parser.c (struct c_token): Add pragma_kind.
17212 (struct c_parser): Add in_pragma.
17213 (c_lex_one_token): Always initialize keyword and pragma_kind.
17214 Extract data for CPP_PRAGMA.
17215 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17216 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17217 Don't allow CPP_PRAGMA_EOL if in_pragma.
17218 (c_parser_consume_pragma): New.
17219 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17220 (c_parser_skip_to_end_of_parameter): Likewise.
17221 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17222 (c_parser_skip_to_pragma_eol): New.
17223 (c_parser_external_declaration): Handle CPP_PRAGMA.
17224 (c_parser_compound_statement_nostart): Likewise.
17225 (c_parser_statement_after_labels): Likewise.
17226 (c_parser_pragma): New.
17227 (pragma_lex): Likewise.
17228 (c_parser_pragma_pch_preprocess): New.
17229 (c_parser_new): Merge into ...
17230 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17232 2006-01-04 Jeff Law <law@redhat.com>
17235 * tree-cfg.c (bsi_replace): Remove the original statement
17236 from the EH throw statement table.
17238 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17240 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17241 make the prototype extern "C" and add throw ().
17244 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17245 and pos non-negative and pos + len <= 32.
17246 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17247 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17248 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17251 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17252 as well as sizes not multiple of component size.
17255 * function.c (instantiate_expr): New function.
17256 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17257 walk its DECL_VALUE_EXPR with instantiate_expr.
17259 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17260 DW_OP_deref{,_size} if address isn't going to be added.
17262 2006-01-04 Ben Elliston <bje@au.ibm.com>
17264 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17265 * config/fp-bit.c: Likewise.
17267 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17269 * dominance.c: Add comment about why we use DFS numbering
17272 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17273 Richard Henderson <rth@redhat.com>
17275 Merge from gomp-branch:
17276 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17277 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17279 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17281 PR rtl-optimization/25578
17282 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17283 pass a parameter to simplify_shift_const if changing ASHIFTRT
17286 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17288 * builtins.c (get_builtin_sync_mem): New function.
17289 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17290 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17291 Call get_builtin_sync_mem to generate mem rtx.
17293 2006-01-03 Richard Guenther <rguenther@suse.de>
17296 * stmt.c (add_case_node): Make sure to clear overflow flags
17299 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17301 Merge from gomp-branch.
17302 * config/sparc/sync.md: New file.
17303 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17304 UNSPECV_LDSTUB): New constants.
17305 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17306 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17307 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17310 2006-01-03 Roger Sayle <roger@eyesopen.com>
17312 * combine.c (reg_subword_p): New predicate to test whether the
17313 destination of a set refers to a subword/piece of a register.
17314 (try_combine): Generalize the code to merge the setting of a
17315 pseudo to a constant followed by a set of a subword of that
17316 register to a constant.
17318 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17320 * basic-block.h (control_flow_graph): Change the type of
17321 x_label_to_block_map to VEC(basic_block,gc) *.
17322 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17323 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17325 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17326 VEC(basic_block,heap) *.
17327 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17328 ssa_prop_fini): Adjust the uses of cfg_blocks.
17330 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17332 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17334 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17335 hashing trees instead of a pointer hash.
17336 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17337 compare for MEM_EXPR.
17339 PR rtl-optimization/25130
17340 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17341 when comparing MEMs for GCSE
17343 2006-01-03 Ben Elliston <bje@au.ibm.com>
17345 * targhooks.h (default_decimal_float_supported_p): Declare.
17346 * targhooks.c (default_decimal_float_supported_p): Define.
17347 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17348 `default_decimal_float_supported_p'.
17349 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17351 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17353 * combine.c (apply_distributive_law <SUBREG>): Check
17354 TRULY_NOOP_TRUNCATION.
17356 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17358 * dwarf2out.c (have_switched_text_section): Delete.
17359 (have_multiple_function_sections): New.
17360 (have_location_lists): Make 'bool'.
17361 (add_AT_loc_list): Use 'true' not '1'.
17362 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17363 (output_loc_list): Use have_multiple_function_sections.
17364 (output_ranges): Likewise.
17365 (dwarf2out_begin_function): Set have_multiple_function_sections if
17367 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17368 Check function_section rather than DECL_SECTION_NAME.
17369 (dwarf2out_finish): Use have_multiple_function_sections.
17370 Don't clear have_location_lists.
17372 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17373 Jan Hubicka <jh@suse.cz>
17375 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17376 case of conditional jump jumping to the next instruction.
17377 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17378 cases of conditional jump jumping to the next instruction.
17380 2006-01-02 Jan Hubicka <jh@suse.cz>
17382 * i386.c (*_cost): Add COSTS_N_INSNS.
17383 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17385 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17388 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17390 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17392 * config/arm/arm.c (all_fpus): Fix comment typo.
17393 * config/darwin.c: Likewise.
17394 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17395 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17396 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17398 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17400 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17401 (rs6000_split_compare_and_swapqhi): New.
17402 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17403 (sync_compare_and_swapqhi_internal): New.
17404 * config/rs6000/rs6000-protos.h: Declare.