1 2007-02-22 Mark Mitchell <mark@codesourcery.com>
3 * doc/invoke.texi (Spec Files): Document getenv spec function.
5 * gcc.c (getenv_spec_function): New function.
6 (static_spec_functions): Add it.
7 * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
8 (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
11 2007-02-22 Michael Matz <matz@suse.de
14 * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
15 (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
17 2007-02-22 Ian Lance Taylor <iant@google.com>
20 * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
21 (mem_loc_descriptor): Call it.
23 2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
24 Ira Rosen <irar@il.ibm.com>
26 * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
28 2007-02-22 Ira Rosen <irar@il.ibm.com>
30 PR tree-optimization/30843
31 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
32 stores only after all the group is vectorized.
34 2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
36 PR tree-optimization/30858
37 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
38 in the reduction cycle have a single use in the loop.
39 * tree-vectorizer.h (relevant): Add documentation.
41 2007-02-20 Mike Stump <mrs@apple.com>
43 * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
44 * configure: Regenerate.
46 2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
48 Change the defaults of some parameters and options.
49 * config/spu/spu-protos.h (spu_optimization_options): Declare.
50 * config/spu/spu.c (spu_optimization_options): Add.
51 (spu_override_options): Change params in spu_optimization_options.
52 * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
54 Register 127 is only 16 byte aligned when used as a frame pointer.
55 * config/spu/spu-protos.h (spu_init_expanders): Declare.
56 * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
57 HARD_FRAME_POINTER_REGNUM.
58 (spu_legitimate_address): Use regno_aligned_for_reload.
59 (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
60 aligned when frame_pointer_needed is true.
61 (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
63 * config/spu/spu.h (INIT_EXPANDERS): Define.
65 Make sure shift and rotate instructions have valid immediate operands.
66 * config/spu/predicates.md (spu_shift_operand): Remove.
67 * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
68 * config/spu/constraints.md (W, O): Extend range.
69 * config/spu/spu.md (umask, nmask): Define.
70 (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
71 lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
72 rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
73 rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
74 spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
75 (lshr<mode>3_reg): Fix rtl description.
77 Make sure mulhisi immediate operands are valid.
78 * config/spu/predicates.md (imm_K_operand): Add.
79 * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
81 Generate constants using fsmbi and andi.
82 * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
83 (print_operand, spu_split_immediate, classify_immediate,
84 fsmbi_const_p): Handle IC_FSMBI2.
86 Correctly handle a CONST_VECTOR containing symbols.
87 * config/spu/spu.c (print_operand): Handle HIGH correctly.
88 (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
89 (immediate_load_p): Allow symbols that use 2 instructions to create.
90 (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
91 with symbols when flag_pic is set.
92 (const_vector_immediate_p): New.
93 (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
94 accept a CONST_VECTOR with symbols.
95 (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
96 accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
98 * config/spu/spu.md (high, low): Delete.
101 Remove INTRmode and INTR_REGNUM, which didn't work.
102 * config/spu/spu.c (spu_conditional_register_usage): Remove reference
104 * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
105 set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
106 peephole2 pattern): Don't use INTR or 131.
108 * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
109 CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
110 * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
111 (UNSPEC_SET_INTR): Add.
112 * config/spu/spu-modes.def (INTR): Remove.
114 More accurate warnings about run-time relocations.
115 * config/spu/spu.c (reloc_diagnostic): Test in_section.
117 Correctly warn about immediate arguments to specific intrinsics.
118 * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
119 (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
120 the instruction predicate.
122 Fix tree check errors with latest update.
123 * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
125 (spu_expand_builtin): Use CALL_EXPR_FN.
127 Add missing specific intrinsics.
128 * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
130 * config/spu/spu_internals.h: Ditto.
132 Fix incorrect operand modifiers.
133 * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
134 * config/spu/spu.md (xor<mode>3): Change %S to %J.
136 Optimize one case of zero_extend of a vec_select.
137 * config/spu/spu.md (_vec_extractv8hi_ze): Add.
139 Accept any immediate for hbr.
140 * config/spu/spu.md (hbr): Change s constraints to i.
142 2007-02-21 Paul Brook <paul@codesourcery.com>
144 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
145 condexec_count when skipping USE and CLOBBER.
147 2007-02-21 Nick Clifton <nickc@redhat.com>
149 * common.opt (Warray-bounds): Add Warning attribute.
150 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
152 (fsized-zeroes): Add Optimization attribute.
153 (fsplit-wide-types, ftree-scev-cprop): Likewise.
154 * c.opt (Wc++0x-compat): Add Warning attribute.
156 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
159 * reload1.c (eliminate_regs_in_insn): In the single_set special
160 case, attempt to re-recognize the insn before falling back to
161 having reload fix it up.
163 2007-02-20 Eric Christopher <echristo@gmail.com>
165 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
167 (frv_read_iacc_argument): Ditto.
168 (frv_expand_set_builtin): Take a call instead of arglist, update for
170 (frv_expand_unop_builtin): Ditto.
171 (frv_expand_binop_builtin): Ditto.
172 (frv_expand_cut_builtin): Ditto.
173 (frv_expand_binopimm_builtin): Ditto.
174 (frv_expand_voidbinop_builtin): Ditto.
175 (frv_expand_int_void2arg): Ditto.
176 (frv_expand_prefetches): Ditto.
177 (frv_expand_voidtriop_builtin): Ditto.
178 (frv_expand_voidaccop_builtin): Ditto.
179 (frv_expand_load_builtin): Ditto.
180 (frv_expand_store_builtin): Ditto.
181 (frv_expand_mdpackh_builtin): Ditto.
182 (frv_expand_mclracc_builtin): Ditto.
183 (frv_expand_mrdacc_builtin): Ditto.
184 (frv_expand_mwtacc_builtin): Ditto.
185 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
188 2007-02-20 Janis Johnson <janis187@us.ibm.com>
190 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
191 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
193 (HAVE_GAS_DFP): Check for assembler support of decimal floating
195 * configure: Regenerate.
196 * config.in: Regenerate.
197 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
198 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
199 masks to power6 and power6x and to POWERPC_MASKS.
200 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
202 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
203 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
204 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
205 Access PROTOTYPE as variable, not mask.
207 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
209 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
210 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
211 * combine.c (adjust_for_new_dest): Use it.
212 * postreload.c (reload_combine): Likewise.
214 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
216 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
217 notes on an insn with multiple sets, even if single_set returns
218 non-NULL for that insn.
220 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
222 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
225 2007-02-20 Geoffrey Keating <geoffk@apple.com>
227 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
228 if user didn't pass it.
229 * config/i386/darwin.h (CC1_SPEC): Likewise.
230 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
231 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
232 -mmacosx-version-min.
234 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
235 Uros Bizjak <ubizjak@gmail.com>
237 * optabs.h (enum optab_index): Add new OTI_scalb.
238 (scalb_optab): Define corresponding macro.
239 * optabs.c (init_optabs): Initialize scalb_optab.
240 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
242 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
243 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
244 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
245 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
246 flag_unsafe_math_optimizations is set.
248 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
249 to implement scalbf, scalb and scalbl built-ins as inline x87
252 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
253 DJ Delorie <dj@redhat.com>
256 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
257 (diagnostic_report_diagnostic): ... here, and turn them into real
258 errors. If warnings are inhibited, no need to do anything.
260 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
262 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
263 better code generation.
265 2007-02-20 Ben Elliston <bje@au.ibm.com>
267 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
269 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
271 * config/alpha/alpha.c, config/alpha/alpha.md,
272 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
273 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
274 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
275 config/arm/lib1funcs.asm: Follow spelling conventions.
277 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
278 config/fr30/fr30.md, config/i386/i386.h,
279 config/iq2000/iq2000.h, config/iq2000/predicates.md,
280 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
281 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
282 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
283 config/rs6000/altivec.md, config/rs6000/rs6000.c,
284 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
285 config/sparc/sparc.c, config/sparc/sparc.h,
286 config/sparc/sparc.md, config/spu/constraints.md,
287 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
290 2007-02-20 Alan Modra <amodra@bigpond.net.au>
293 * varasm.c (use_blocks_for_decl_p): Return false for decls with
296 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
298 * doc/invoke.texi (-ftree-lrs): Remove.
300 2007-02-19 Diego Novillo <dnovillo@redhat.com>
302 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
305 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
307 * config/ia64/ia64.c (ia64_expand_builtin): Use the
308 new CALL_EXPR_FN macro for retrieving the function
309 declaration of the input expression.
311 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
313 * c.opt (Waddress): New.
314 * common.opt (Walways-true): Delete.
315 (Wstring-literal-comparison): Delete.
316 * doc/invoke.texi (Warning Options): Delete -Walways-true and
317 -Wstring-literal-comparison. Add -Waddress.
319 (Walways-true): Delete.
320 (Wstring-literal-comparison): Delete.
321 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
322 consistently instead of -Walways-true in example.
323 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
324 * c-typeck.c (parser_build_binary_op): Replace
325 -Wstring-literal-comparison and -Walways-true with -Waddress.
326 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
329 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
331 * tree-cfg.c (dump_function_to_file): Be prepared for functions
332 without DECL_STRUCT_FUNCTION initialized.
334 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
336 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
337 due to calls to functions taking pointers as parameters.
339 2007-02-19 Richard Henderson <rth@redhat.com>
342 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
345 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
347 * config/s390/s390.c (s390_call_saved_register_used,
348 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
349 accessed to the new scheme.
351 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
353 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
354 (cris_print_index, cris_print_operand, cris_print_operand_address)
355 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
356 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
357 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
359 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
360 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
361 GO_IF_LEGITIMATE_ADDRESS): Ditto.
362 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
363 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
364 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
365 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
366 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
367 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
368 (uminsi3, call, call_value): Ditto.
369 (define_split: indir_to_reg_split, unnamed): Ditto.
371 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
373 PR tree-optimization/30975
374 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
377 2007-02-18 Eric Christopher <echristo@gmail.com>
379 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
380 Remove use of arglist.
381 (mips_expand_builtin): Remove use of arglist, pass in expr.
382 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
383 (mips_expand_builtin_movtf): Ditto.
384 (mips_expand_builtin_compare): Ditto.
386 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
388 * tree-sra.c (sra_build_assignment): Replace assertion
389 checking with a comment explaining why it can't be done.
391 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
394 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
395 during CALL_EXPR representation conversion.
396 * tree-ssa-propagate.c (set_rhs): Likewise.
398 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
400 * tree-sra.c (sra_build_assignment): Disable assertion checking
403 2007-02-18 Roger Sayle <roger@eyesopen.com>
405 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
406 instead of calling build2 with a GIMPLE_MODIFY_STMT.
407 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
409 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
410 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
411 gimplify_init_ctor_eval_range, gimple_push_cleanup,
412 gimplify_omp_for, gimplify_omp_atomic_pipeline,
413 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
414 force_gimple_operand): Likewise.
415 * ipa-cp.c (constant_val_insert): Likewise.
416 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
417 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
418 perfect_nestify): Likewise.
419 * langhooks.c (lhd_omp_assignment): Likewise.
420 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
421 lower_copyprivate_clauses, lower_send_clauses,
422 lower_send_shared_vars, expand_parallel_call,
423 expand_omp_for_generic, expand_omp_for_static_nochunk,
424 expand_omp_for_static_chunk, expand_omp_sections,
425 lower_omp_single_copy, lower_omp_for_lastprivate,
426 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
427 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
428 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
431 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
433 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
434 config/sh/sh.md: Follow spelling conventions.
436 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
437 config/frv/predicates.md: Follow spelling conventions.
439 * config/m68k/linux-unwind.h: Fix a comment typo.
440 * target.h: Follow spelling conventions.
442 2007-02-18 Roger Sayle <roger@eyesopen.com>
444 PR rtl-optimization/28173
445 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
446 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
447 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
448 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
449 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
451 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
453 * builtins.c (fold_builtin_load_exponent): New.
454 (fold_builtin_2): Use it.
456 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
458 PR rtl-optimization/30773
459 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
460 if we fail to attach a REG_EQUIV note.
462 2007-02-18 David Edelsohn <edelsohn@gnu.org>
463 Roger Sayle <roger@eyesopen.com>
465 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
467 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
469 * calls.c (initialize_argument_information): Pass original EXP
470 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
471 code to split complex arguments here, as part of initializing the
473 (expand_call): Remove code that builds a list of arguments and
474 inserts implicit arguments into it. Instead, just count how many
475 implicit arguments there will be so we can determine the size of
476 the ARGS array, and let initialize_argument_information do the work.
477 (split_complex_values): Delete unused function.
479 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
481 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
483 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
485 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
486 for arg pointer based indexed addressing.
488 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
490 * config/ia64/ia64.h, config/ia64/ia64.md,
491 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
492 spelling conventions.
494 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
496 * config/m68k/m68k.c (split_di): New.
497 * config/m68k/m68k-protos.h: Declare split_di.
498 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
499 Improve predicate handling and split constant shifts.
501 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
503 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
504 parameter for register bitfield operations, general predicates
507 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
509 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
510 * config/m68k/linux-unwind.h: New file.
512 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
514 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
515 config/i386/athlon.md, config/ia64/ia64.md,
516 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
517 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
518 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
519 tree-ssa-loop-niter.c, tree-vect-analyze.c,
520 tree-vect-transform.c: Fix comment typos.
522 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
524 * sched-deps.c (find_insn_list): Remove.
525 * sched-int.h: Remove the prototype for find_insn_list.
527 2007-02-16 Geoffrey Keating <geoffk@apple.com>
529 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
531 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
532 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
533 darwin_rs6000_override_options.
534 (C_COMMON_OVERRIDE_OPTIONS): Expect
535 darwin_macosx_version_min to be non-NULL always.
536 (TARGET_C99_FUNCTIONS): Likewise.
537 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
538 (DARWIN_MINVERSION_SPEC): New.
539 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
540 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
542 (DARWIN_MINVERSION_SPEC): New.
543 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
545 * config/darwin-c.c (darwin_cpp_builtins): Expect
546 darwin_macosx_version_min to be non-NULL always.
548 * config/rs6000/rs6000.c: Clean up trailing whitespace.
550 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
552 * config/i386/i386.h (x86_use_xchgb): New.
553 (TARGET_USE_XCHGB): New macro.
554 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
555 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
556 Split after reload into bswaphi for shifts of 8.
557 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
558 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
559 or when optimizing for size.
561 2007-02-16 Richard Guenther <rguenther@suse.de>
562 Christian Bruel <christian.bruel@st.com>
564 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
565 DECLs but prefer SSA_NAMEs over DECLs.
567 2007-02-16 Richard Guenther <rguenther@suse.de>
569 * tree-flow-inline.h (single_imm_use_p): Remove.
570 (zero_imm_uses_p): Likewise.
571 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
572 instead of single_imm_use_p.
573 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
576 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
579 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
580 nested double- and backquotes.
582 2007-02-15 Roger Sayle <roger@eyesopen.com>
585 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
586 should be unreachable.
587 (build2_stat): Allow construction of MODIFY_EXPR at any time.
588 For the time being redirect GIMPLE_MODIFY_STMT to the new
589 (renamed) build_gimple_modify_stmt_stat.
590 (build2_gimple_stat): Rename to...
591 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
592 Always build a GIMPLE_MODIFY_STMT node.
593 * tree.h (build2_gimple, build2_gimple_stat): Delete.
594 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
597 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
598 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
599 * tree-complex.c (set_component_ssa_name, expand_complex_move,
600 expand_complex_div_wide): Likewise.
601 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
602 * tree-ssa-loop-im.c (schedule_sm): Likewise.
603 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
604 * tree-ssa-loop-manip.c (create_iv): Likewise.
605 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
606 abs_replacement): Likewise.
607 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
608 realify_fake_stores): Likewise.
610 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
611 node rather than a GIMPLE_MODIFY_STMT node.
612 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
613 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
615 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
616 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
619 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
622 * fold-const.c (fold_comparison): Add back the
623 folding of constant complex comparisions.
625 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
628 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
629 effects unknown to this function, return early.
631 2007-02-15 Ian Lance Taylor <iant@google.com>
633 * lower-subreg.c (move_eh_region_note): New static function.
634 (resolve_simple_move): Call it.
635 (decompose_multiword_subregs): Track blocks for which we resolve a
636 simple move which is also a control flow insn. Pass them to
637 find_many_sub_basic_blocks.
638 (pass_lower_subreg): Add TODO_verify_flow.
639 (pass_lower_subreg2): Likewise.
641 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
642 Brooks Moses <brooks.moses@codesourcery.com>
643 Lee Millward <lee.millward@codesourcery.com>
645 * tree.h (enum tree_code_class): Add tcc_vl_exp.
646 (VL_EXP_CLASS_P): New.
647 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
649 (TREE_OPERAND_CHECK_CODE): Likewise.
650 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
651 (TREE_RTL_OPERAND_CHECK): Likewise.
652 (tree_operand_check_failed): Make second parameter the whole tree
653 instead of its code. Fixed callers.
655 (TREE_OPERAND_LENGTH): New.
656 (VL_EXP_OPERAND_LENGTH): New.
658 (CALL_EXPR_STATIC_CHAIN): New.
659 (CALL_EXPR_ARGS): New.
660 (CALL_EXPR_ARG): New.
661 (call_expr_nargs): New.
662 (CALL_EXPR_ARGP): New.
663 (build_nt_call_list): Declare.
664 (build_vl_exp_stat): Declare.
666 (build_call_list): Declare.
667 (build_call_nary): Declare.
668 (build_call_valist): Declare.
669 (build_call_array): Declare.
670 (call_expr_arg): Declare.
671 (call_expr_argp): Declare.
672 (call_expr_arglist): Declare.
673 (fold_build_call_list): Declare.
674 (fold_build_call_list_initializer): Declare.
675 (fold_call_expr): Declare to replace fold_builtin.
676 (fold_builtin_fputs): Update to agree with modified definition.
677 (fold_builtin_strcpy): Likewise.
678 (fold_builtin_strncpy): Likewise.
679 (fold_builtin_memory_chk): Likewise.
680 (fold_builtin_stxcpy_chk): Likewise.
681 (fold_builtin_strncpy_chk): Likewise.
682 (fold_builtin_next_arg): Likewise.
683 (fold_build_call_expr): Declare.
684 (fold_builtin_call_list): Declare.
685 (fold_builtin_call_valist): Declare.
686 (build_call_expr): Declare.
687 (validate_arglist): Update to agree with modified definition.
688 (tree_operand_length): New.
689 (call_expr_arg_iterator): New.
690 (init_call_expr_arg_iterator): New.
691 (next_call_expr_arg): New.
692 (first_call_expr_arg): New.
693 (more_call_expr_args_p): New.
694 (FOR_EACH_CALL_EXPR_ARG): New.
696 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
698 (tree_code_size): Update documentation. Use sizeof (tree) rather
699 than sizeof (char *).
700 (tree_size): Likewise. Add case for tcc_vl_exp.
701 (tree_node_structure): Add case for tcc_vl_exp.
702 (contains_placeholder_p): Likewise.
703 (substitute_in_expr): Likewise.
704 (substitute_placeholder_in_expr): Likewise.
705 (stabilize_reference_1): Likewise.
706 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
707 to diagnose breakage of this interface for constructing CALL_EXPRs.
708 (build_nt): Add similar assertion here.
709 (build_nt_call_list): New.
710 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
711 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
713 (get_callee_fndecl): Use new CALL_EXPR accessors.
714 (tree_operand_check_failed): Change parameters to pass entire node
715 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
716 (process_call_operands): New.
717 (build_vl_exp_stat): New.
718 (build_call_list): New.
719 (build_call_nary): New.
720 (build_call_valist): New.
721 (build_call_array): New.
722 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
723 (call_expr_arglist): New.
725 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
726 tcc_vl_exp instead of a fixed-size tcc_expression.
728 * doc/c-tree.texi (CALL_EXPR): Document new representation and
729 accessors for CALL_EXPRs.
730 (AGGR_INIT_EXPR): Likewise.
732 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
733 Brooks Moses <brooks.moses@codesourcery.com>
734 Lee Millward <lee.millward@codesourcery.com>
736 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
737 (expand_builtin_nonlocal_goto): Change parameter to be entire
738 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
739 (expand_builtin_prefetch): Likewise.
740 (expand_builtin_classify_type): Likewise.
741 (mathfn_built_in): Return NULL_TREE instead of 0.
742 (expand_errno_check): Use new CALL_EXPR accessors.
743 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
744 Return NULL_RTX instead of 0.
745 (expand_builtin_mathfn_2): Likewise.
746 (expand_builtin_mathfn_3): Likewise.
747 (expand_builtin_interclass_mathfn): Likewise.
748 (expand_builtin_sincos): Likewise.
749 (expand_builtin_cexpi): Likewise.
750 (expand_builtin_int_roundingfn): Likewise.
751 (expand_builtin_int_roundingfn_2): Likewise.
752 (expand_builtin_pow): Likewise.
753 (expand_builtin_powi): Likewise.
754 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
755 of arglist, fixing callers appropriately. Use new CALL_EXPR
756 accessors and constructors. Return NULL_RTX instead of 0.
757 (expand_builtin_strstr): Likewise.
758 (expand_builtin_strchr): Likewise.
759 (expand_builtin_strrchr): Likewise.
760 (expand_builtin_strpbrk): Likewise.
761 (expand_builtin_memcpy): Likewise.
762 (expand_builtin_mempcpy): Likewise.
763 (expand_builtin_mempcpy_args): New.
764 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
765 (expand_builtin_memmove_args): New.
766 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
767 (expand_movstr): Likewise.
768 (expand_builtin_strcpy): Likewise.
769 (expand_builtin_strcpy_args): New.
770 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
771 (expand_builtin_strncpy): Likewise.
772 (expand_builtin_memset): Likewise.
773 (expand_builtin_memset_args): New.
774 (expand_builtin_bzero): Similarly to expand_builtin_memset.
775 (expand_builtin_memcmp): Likewise.
776 (expand_builtin_strcmp): Likewise.
777 (expand_builtin_strncmp): Likewise.
778 (expand_builtin_strcat): Likewise.
779 (expand_builtin_strncat): Likewise.
780 (expand_builtin_strspn): Likewise.
781 (expand_builtin_strcspn): Likewise.
782 (expand_builtin_args_info): Likewise.
783 (expand_builtin_va_start): Likewise.
784 (gimplify_va_arg_expr): Likewise.
785 (expand_builtin_va_end): Likewise.
786 (expand_builtin_va_copy): Likewise.
787 (expand_builtin_frame_address): Likewise.
788 (expand_builtin_alloca): Likewise.
789 (expand_builtin_bswap): Likewise.
790 (expand_builtin_unop): Likewise.
791 (expand_builtin_fputs): Likewise.
792 (expand_builtin_expect): Likewise.
793 (expand_builtin_fabs): Likewise.
794 (expand_builtin_copysign): Likewise.
795 (expand_builtin_printf): Likewise.
796 (expand_builtin_fprintf): Likewise.
797 (expand_builtin_sprintf): Likewise.
798 (expand_builtin_init_trampoline): Likewise.
799 (expand_builtin_signbit): Likewise.
800 (expand_builtin_fork_or_exec): Likewise.
801 (expand_builtin_sync_operation): Likewise.
802 (expand_builtin_compare_and_swap): Likewise.
803 (expand_builtin_lock_test_and_set): Likewise.
804 (expand_builtin_lock_release): Likewise.
805 (expand_builtin): Likewise.
806 (builtin_mathfn_code): Likewise.
808 (fold_builtin_constant_p): Pass call arguments individually instead
809 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
810 accessors and constructors. Return NULL_TREE instead of 0.
811 (fold_builtin_expect): Likewise.
812 (fold_builtin_classify_type): Likewise.
813 (fold_builtin_strlen): Likewise.
814 (fold_builtin_nan): Likewise.
815 (integer_valued_real_p): Likewise.
816 (fold_trunc_transparent_mathfn): Likewise.
817 (fold_fixed_mathfn): Likewise.
818 (fold_builtin_cabs): Likewise.
819 (fold_builtin_sqrt): Likewise.
820 (fold_builtin_cbrt): Likewise.
821 (fold_builtin_cos): Likewise.
822 (fold_builtin_cosh): Likewise.
823 (fold_builtin_tan): Likewise.
824 (fold_builtin_sincos): Likewise.
825 (fold_builtin_cexp): Likewise.
826 (fold_builtin_trunc): Likewise.
827 (fold_builtin_floor): Likewise.
828 (fold_builtin_ceil): Likewise.
829 (fold_builtin_round): Likewise.
830 (fold_builtin_int_roundingfn): Likewise.
831 (fold_builtin_bitop): Likewise.
832 (fold_builtin_bswap): Likewise.
833 (fold_builtin_logarithm): Likewise.
834 (fold_builtin_hypot): Likewise.
835 (fold_builtin_pow): Likewise.
836 (fold_builtin_powi): Likewise.
837 (fold_builtin_exponent): Likewise.
838 (fold_builtin_memset): Likewise.
839 (fold_builtin_bzero): Likewise.
840 (fold_builtin_memory_op): Likewise.
841 (fold_builtin_bcopy): Deleted; call site changed to invoke
842 fold_builtin_memory_op directly.
843 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
844 (fold_builtin_strncpy): Likewise.
845 (fold_builtin_memcmp): Likewise.
846 (fold_builtin_strcmp): Likewise.
847 (fold_builtin_strncmp): Likewise.
848 (fold_builtin_signbit): Likewise.
849 (fold_builtin_copysign): Likewise.
850 (fold_builtin_isascii): Likewise.
851 (fold_builtin_toascii): Likewise.
852 (fold_builtin_isdigit): Likewise.
853 (fold_builtin_fabs): Likewise.
854 (fold_builtin_abs): Likewise.
855 (fold_builtin_fmin_fmax): Likewise.
856 (fold_builtin_carg): Likewise.
857 (fold_builtin_classify): Likewise.
858 (fold_builtin_unordered_cmp): Likewise.
860 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
861 New functions split out from fold_builtin_1.
862 (fold_builtin_n): New.
863 (fold_builtin_varargs): New.
864 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
866 (fold_call_expr): New.
867 (build_function_call_expr): Rewrite to use new helper function.
868 (fold_builtin_call_list): New.
869 (build_call_expr): New.
870 (fold_builtin_call_valist): New.
871 (rewrite_call_expr): New.
873 (validate_arglist): Change parameter to be entire CALL_EXPR instead
874 of an arglist. Change return type to bool. Use new CALL_EXPR
877 (fold_builtin_strstr): Pass call arguments individually instead
878 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
879 accessors and constructors. Return NULL_TREE instead of 0.
880 (fold_builtin_strchr): Likewise.
881 (fold_builtin_strrchr): Likewise.
882 (fold_builtin_strpbrk): Likewise.
883 (fold_builtin_strcat): Likewise.
884 (fold_builtin_strncat): Likewise.
885 (fold_builtin_strspn): Likewise.
886 (fold_builtin_strcspn): Likewise.
887 (fold_builtin_fputs): Likewise.
888 (fold_builtin_next_arg): Likewise.
889 (fold_builtin_sprintf): Likewise.
891 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
892 NULL_RTX instead of 0.
893 (expand_builtin_memory_chk): Likewise.
894 (maybe_emit_chk_warning): Likewise.
895 (maybe_emit_sprintf_chk_warning): Likewise.
897 (fold_builtin_object_size): Pass call arguments individually instead
898 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
899 accessors and constructors. Return NULL_TREE instead of 0.
900 (fold_builtin_memory_chk): Likewise.
901 (fold_builtin_stxcpy_chk): Likewise.
902 (fold_builtin_strncpy_chk): Likewise.
903 (fold_builtin_strcat_chk): Likewise.
904 (fold_builtin_strcat_chk): Likewise.
905 (fold_builtin_strncat_chk): Likewise.
906 (fold_builtin_sprintf_chk): Likewise.
907 (fold_builtin_snprintf_chk): Likewise.
908 (fold_builtin_printf): Likewise.
909 (fold_builtin_vprintf): Likewise.
911 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
913 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
914 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
915 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
916 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
917 (fold_unary): Likewise.
918 (fold_binary): Likewise.
919 (fold_ternary): Remove CALL_EXPR case, since they are no longer
921 (fold): Add logic for tcc_vl_exp.
922 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
923 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
924 (fold_build3_stat): Add assertion to flag broken interface for
925 constructing CALL_EXPRs.
926 (fold_build_call_list): New.
927 (fold_build_call_list_initializer): New.
928 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
930 (fold_strip_sign_ops): Likewise.
932 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
933 Brooks Moses <brooks.moses@codesourcery.com>
934 Lee Millward <lee.millward@codesourcery.com>
936 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
937 accessors and dump arguments explicitly.
939 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
941 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
943 (print_call_name): Use new CALL_EXPR accessors.
945 * print-tree.c (print_node): Add case tcc_vl_exp. Print
946 CALL_EXPR arguments explicitly instead of as a list. Use
947 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
949 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
950 (vrp_visit_stmt): Likewise.
952 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
953 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
955 (force_move_till_expr): Likewise.
957 * targhooks.c (default_external_stack_protect_fail): Use
958 build_call_expr instead of build_function_call_expr.
959 (default_hidden_stack_protect_fail): Likewise.
961 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
964 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
965 and walk arguments explicitly.
967 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
968 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
969 (expand_simple_operations): Likewise.
970 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
972 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
974 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
976 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
977 instead of TREE_CODE_LENGTH.
979 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
980 (tree_ic_transform): Likewise.
981 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
982 parameter instead of arglist. Fix callers.
983 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
984 (tree_stringops_transform): Likewise.
985 (tree_indirect_call_to_profile): Likewise.
986 (tree_stringops_values_to_profile): Likewise.
988 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
989 (eliminate_tail_call): Likewise.
991 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
993 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
994 Use TREE_OPERAND_LENGTH and generalize to handle any number of
996 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
998 * omp-low.c (build_omp_barrier): Use build_call_expr.
999 (lower_rec_input_clauses): Likewise.
1000 (lower_reduction_clauses): Likewise.
1001 (expand_parallel_call): Likewise.
1002 (maybe_catch_exception): Likewise.
1003 (expand_omp_for_generic): Likewise.
1004 (expand_omp_for_static_nochunk): Likewise.
1005 (expand_omp_sections): Likewise.
1006 (lower_omp_single_simple): Likewise.
1007 (lower_omp_single_copy): Likewise.
1008 (lower_omp_master): Likewise.
1009 (lower_omp_ordered): Likewise.
1010 (lower_omp_critical): Likewise.
1012 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1013 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1015 * tree-gimple.c (is_gimple_call_addr): Fix doc.
1016 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1017 TREE_CODE_LENGTH. Add tcc_vl_exp case.
1019 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1020 and generalize to handle any number of operands.
1021 (chrec_contains_undetermined): Likewise.
1022 (tree_contains_chrecs): Likewise.
1023 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1025 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1027 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
1028 fold_call_expr instead of fold_builtin.
1029 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
1030 match declarations there.
1031 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
1034 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1035 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1037 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1038 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1040 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1043 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1044 (execute_cse_sincos): Use new CALL_EXPR accessors.
1046 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1048 * gimple-low.c (lower_function_body): Use build_call_expr.
1049 (lower_builtin_setjmp): Likewise.
1051 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1052 (set_storage_via_libcall): Likewise.
1053 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
1054 instead of TREE_CODE_LENGTH.
1055 (expand_expr_real_1): Use new CALL_EXPR accessors.
1057 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1058 generalize to handle any number of operands.
1059 (TB_parent_eq): Likewise.
1061 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1062 (strip_builtin_expect): Likewise.
1064 * function.c (gimplify_parameters): Use build_call_expr.
1066 * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1067 instead of TREE_CODE_LENGTH.
1069 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1070 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1072 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1075 * gimplify.c (build_stack_save_restore): Use build_call_expr.
1076 (gimplify_decl_expr): Likewise.
1077 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1078 Use new CALL_EXPR iterators.
1079 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1080 (gimplify_modify_expr_to_memset): Likewise.
1081 (gimplify_variable_sized_compare): Likewise.
1082 (gimplify_omp_atomic_fetch_op): Likewise.
1083 (gimplify_omp_atomic_pipeline): Likewise.
1084 (gimplify_omp_atomic_mutex): Likewise.
1085 (gimplify_function_tree): Likewise.
1087 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1088 (call_expr_flags): Likewise.
1089 (expand_call): Likewise.
1091 * except.c (expand_builtin_eh_return_data_regno): Pass entire
1092 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
1095 * coverage.c (create_coverage): Use build_call_expr.
1097 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1098 (temp_call_expr_obstack): New.
1099 (pool_copy_list): Delete.
1100 (temp_copy_call_expr): New.
1101 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
1102 CALL_EXPR accessors. Get rid of special goo for copying argument
1103 lists and use temp_copy_call_expr instead.
1104 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
1105 CALL_EXPR accessors.
1106 (create_expression_by_pieces): Likewise. Use build_call_array
1107 to construct the result instead of fold_build3.
1108 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
1109 dealing with argument lists.
1110 (init_pre): Remove references to expression_node_pool and
1111 list_node_pool. Init temp_call_expr_obstack instead.
1112 (fini_pre): Remove references to expression_node_pool and
1115 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1116 and walk arguments explicitly instead of as a list.
1118 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1119 (mx_register_decls): Likewise.
1120 (mudflap_register_call): Likewise.
1121 (mudflap_finish_file): Likewise.
1123 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1124 (ipa_callsite_compute_param): Likewise.
1126 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1127 accessors and constructor.
1129 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1130 accessors and constructor.
1131 (convert_tramp_reference): Likewise.
1132 (convert_call_expr): Likewise.
1133 (finalize_nesting_tree_1): Likewise.
1135 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1138 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1140 * tree-inline.c (initialize_inlined_parameters): Pass entire
1141 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
1143 (estimate_num_insns_1): Use new CALL_EXPR accessors.
1144 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1146 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
1147 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1148 (vectorizable_reduction): Likewise.
1149 (vectorizable_call): Use new CALL_EXPR iterators.
1150 (vectorizable_conversion): Use build_call_expr.
1151 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1152 (vect_gen_widened_results_half): Use build_call_expr.
1153 (vect_setup_realignment): Likewise.
1154 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1156 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1157 (pass_through_call): Likewise.
1158 (compute_object_sizes): Likewise. Use fold_call_expr instead of
1161 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1162 (tree_gen_pow2_profiler): Likewise.
1163 (tree_gen_one_value_profiler): Likewise.
1164 (tree_gen_ic_func_profiler): Likewise.
1165 (tree_gen_average_profiler): Likewise.
1166 (tree_gen_ior_profiler): Likewise.
1168 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1169 (find_func_aliases): Use new CALL_EXPR accessors. Add case
1170 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1172 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1173 of TREE_CODE_LENGTH.
1175 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1176 of TREE_CODE_LENGTH.
1178 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1180 (convert_to_integer): Likewise.
1182 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1185 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
1186 Brooks Moses <brooks.moses@codesourcery.com>
1187 Lee Millward <lee.millward@codesourcery.com>
1189 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1191 * config/frv/frv.c (frv_expand_builtin): Likewise.
1192 * config/s390/s390.c (s390_expand_builtin): Likewise.
1194 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1195 (sparc_expand_builtin): Use new CALL_EXPR accessors.
1197 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1198 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1199 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
1200 (ix86_expand_store_builtin): Likewise.
1201 (ix86_expand_unop_builtin): Likewise.
1202 (ix86_expand_unop1_builtin): Likewise.
1203 (ix86_expand_sse_compare): Likewise.
1204 (ix86_expand_sse_comi): Likewise.
1205 (ix86_expand_vec_init_builtin): Likewise.
1206 (ix86_expand_vec_ext_builtin): Likewise.
1207 (ix86_expand_vec_set_builtin): Likewise.
1208 (ix86_expand_builtin): Use new CALL_EXPR accessors.
1210 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1211 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1213 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1214 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
1215 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1217 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1219 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1220 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1221 arglist. Use new CALL_EXPR accessors. Fix callers.
1222 (altivec_expand_abs_builtin): Likewise.
1223 (rs6000_expand_binop_builtin): Likewise.
1224 (altivec_expand_predicate_builtin): Likewise.
1225 (altivec_expand_lv_builtin): Likewise.
1226 (spe_expand_stv_builtin): Likewise.
1227 (altivec_expand_stv_builtin): Likewise.
1228 (rs6000_expand_ternop_builtin): Likewise.
1229 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1230 (altivec_expand_st_builtin): Likewise.
1231 (altivec_expand_dst_builtin): Likewise.
1232 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1233 arglist. Use new CALL_EXPR accessors. Fix callers.
1234 (altivec_expand_vec_set_builtin): Likewise.
1235 (altivec_expand_vec_ext_builtin): Likewise.
1236 (altivec_expand_builtin): Use new CALL_EXPR accessors.
1237 (spe_expand_builtin): Likewise.
1238 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1239 arglist. Use new CALL_EXPR accessors. Fix callers.
1240 (spe_expand_evsel_builtin): Likewise.
1241 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
1242 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1244 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1245 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
1246 (arm_expand_unop_builtin): Likewise.
1247 (arm_expand_builtin): Use new CALL_EXPR accessors.
1249 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
1252 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1253 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
1254 (bfin_expand_unop_builtin): Likewise.
1255 (bfin_expand_builtin): Use new CALL_EXPR accessors.
1257 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
1258 Brooks Moses <brooks.moses@codesourcery.com>
1259 Lee Millward <lee.millward@codesourcery.com>
1261 * c-semantics.c (build_stmt): Add internal diagnostic check.
1263 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1264 accessors. Print arguments explicitly instead of as a list.
1266 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1268 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1269 (c_finish_omp_flish): Likewise.
1271 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
1272 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
1273 instead of TREE_CODE_LENGTH.
1274 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1275 (c_warn_unused_result): Likewise.
1277 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1280 * doc/invoke.texi (Warning Options): Remove
1281 -Werror-implicit-function-declaration.
1282 (Wimplicit-function-declaration): Update description.
1283 * opts.c (common_handle_option): Move handling of -Werror=* to...
1284 (enable_warning_as_error): ...here.
1285 * opts.h (enable_warning_as_error): Declare.
1286 * c-decl.c (implicit_decl_warning): Unless
1287 -Wno-implicit-function-declaration is given, emit a pedwarn if
1288 -std=c99 or emit a warning if -Wimplicit-function-declaration.
1289 * c.opt (Wimplicit-function-declaration): Replace
1290 mesg_implicit_function_declaration with
1291 warn_implicit_function_declaration.
1292 * c-opts.c (c_common_handle_option):
1293 -Werror-implicit-function-declaration is exactly equal as
1294 -Werror=implicit-function-declaration.
1295 (set_Wimplicit): Replace mesg_implicit_function_declaration with
1296 warn_implicit_function_declaration.
1297 (c_common_post_options): -Wimplict-function-declaration is enabled
1298 by default by -std=c99, otherwise is disabled by default.
1299 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1301 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
1303 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1304 DECL on the rhs to a DECL on the lhs for debug info purposes if the
1305 former is ignored but not the latter.
1307 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
1309 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1310 is made and the reference doesn't use the alias set of its type,
1311 do not create the temporary using that type.
1313 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
1315 * jump.c: Remove prototypes for delete_computation and
1316 delete_prior_computation.
1318 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
1320 * jump.c (get_label_after): Delete.
1321 (get_label_before, delete_computation, delete_jump,
1322 delete_prior_computation, follow_jumps): Move...
1323 * reorg.c (delete_computation, delete_prior_computation): ... here...
1324 (get_label_before, delete_jump): ... making these static ...
1325 (follow_jumps): ... and simplifying this since it only runs after
1327 * rtl.h (get_label_after, get_label_before, delete_jump,
1328 follow_jumps): Delete prototypes.
1330 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
1332 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1334 2007-02-15 Nick Clifton <nickc@redhat.com>
1336 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1337 order to prevent it from being munged by the target.
1339 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
1341 * config/i386/i386.md: Remove misleading comment.
1343 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
1345 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1346 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1349 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
1351 * tree-sra.c (instantiate_missing_elements): Canonicalize
1353 (sra_build_assignment): New.
1354 (generate_copy_inout, generate_element_copy,
1355 generate_element_zero, generate_one_element_init): Use it.
1357 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
1359 * tree-sra.c (instantiate_missing_elements): Canonicalize
1361 (sra_build_assignment): New.
1362 (generate_copy_inout, generate_element_copy,
1363 generate_element_zero, generate_one_element_init): Use it.
1365 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
1367 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1370 2007-02-14 Joseph Myers <joseph@codesourcery.com>
1372 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1373 types as aggregates not scalars.
1374 * function.c (assign_stack_temp_for_type): Likewise.
1376 2007-02-14 Roger Sayle <roger@eyesopen.com>
1377 Zdenek Dvorak <dvorakz@suse.cz>
1379 * tree-dump.c (dump_switch_p_1): Require exact match of the option
1382 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1384 * passes.c (next_pass_1): Clear the next field of the copied
1387 2007-02-14 Richard Henderson <rth@redhat.com>
1389 * tree-sra.c (early_sra): New.
1390 (decl_can_be_decomposed_p): Deny va_list if early_sra.
1391 (tree_sra_early, pass_sra_early): New.
1392 * tree-pass.h (pass_sra_early): Declare.
1393 * passes.c (init_optimization_passes): Use it.
1395 2007-02-14 Richard Guenther <rguenther@suse.de>
1397 * flags.h (issue_strict_overflow_warning): Convert to a macro.
1399 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
1401 PR tree-optimization/30771
1402 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1404 (vect_analyze_operations): Induction phis can now be marked as
1406 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1407 Update documentation accordingly.
1409 2007-02-14 Nick Clifton <nickc@redhat.com>
1411 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1412 most 3 arguments are supported.
1413 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1415 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
1417 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1418 Ensure dst->current is valid.
1420 2007-02-13 Paul Brook <paul@codesourcery.com>
1422 * config.gcc: Add arm*-*-uclinux-*eabi.
1423 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1424 (SUBTARGET_EXTRA_LINK_SPEC): Define.
1425 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1426 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1427 (LINK_SPEC): Define.
1429 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1431 * config/arm/uclinux-eabi.h: New file.
1432 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1433 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1436 2007-02-13 Ian Lance Taylor <iant@google.com>
1438 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1439 * flags.h (warn_strict_overflow): Declare.
1440 (enum warn_strict_overflow_code): Define.
1441 (issue_strict_overflow_warning): New static inline function.
1442 * opts.c (warn_strict_overflow): New variable.
1443 (common_handle_option): Handle OPT_Wstrict_overflow and
1444 OPT_Wstrict_overflow_.
1445 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1447 * fold-const.c: Include intl.h.
1448 (fold_deferring_overflow_warnings): New static variable.
1449 (fold_deferred_overflow_warning): New static variable.
1450 (fold_deferred_overflow_code): New static variable.
1451 (fold_defer_overflow_warnings): New function.
1452 (fold_undefer_overflow_warnings): New function.
1453 (fold_undefer_and_ignore_overflow_warnings): New function.
1454 (fold_deferring_overflow_warnings_p): New function.
1455 (fold_overflow_warning): New static function.
1456 (make_range): Add strict_overflow_p parameter. Change all
1458 (extract_muldiv, extract_muldiv_1): Likewise.
1459 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1460 tree_expr_nonnegative_p.
1461 (fold_negate_expr): Call fold_overflow_warning.
1462 (fold_range_test): Likewise.
1463 (fold_comparison): Likewise.
1464 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
1465 instead of tree_expr_nonnegative_p.
1466 (tree_expr_nonnegative_warnv_p): Rename from
1467 tree_expr_nonnegative_p, add strict_overflow_p parameter.
1468 (tree_expr_nonnegative_p): New function.
1469 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1470 strict_overflow_p parameter.
1471 (tree_expr_nonzero_p): New function.
1472 * passes.c (verify_interpass_invariants): New static function.
1473 (execute_one_pass): Call it.
1474 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1476 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1477 (estimate_numbers_of_iterations): Likewise.
1478 (scev_probably_wraps_p): Likewise.
1479 * tree-ssa-ccp.c: Include "toplev.h".
1480 (evaluate_stmt): Defer fold overflow warnings until we know we are
1482 (struct fold_stmt_r_data): Add stmt field.
1483 (fold_stmt_r): Defer fold overflow warnings until we know we
1485 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1486 (fold_stmt_inplace): Likewise.
1487 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1488 (cleanup_control_expr_graph): Defer fold overflow warnings until
1489 we know we are going to optimize.
1490 * tree-cfg.c (fold_cond_expr_cond): Likewise.
1491 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1493 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1494 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1495 * tree-ssa-loop-manip.c (create_iv): Likewise.
1496 * c-typeck.c (build_conditional_expr): Likewise.
1497 (build_binary_op): Likewise.
1498 * tree-vrp.c (vrp_expr_computes_nonzero): Call
1499 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1500 (extract_range_from_unary_expr): Likewise.
1501 * simplify-rtx.c (simplify_const_relational_operation): Warn when
1502 assuming that signed overflow does not occur.
1503 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1504 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1505 (fold_defer_overflow_warnings): Declare.
1506 (fold_undefer_overflow_warnings): Declare.
1507 (fold_undefer_and_ignore_overflow_warnings): Declare.
1508 (fold_deferring_overflow_warnings_p): Declare.
1509 (tree_expr_nonzero_warnv_p): Declare.
1510 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1512 (Warning Options): Document -Wstrict-overflow.
1513 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1514 (tree-ssa-ccp.o): Likewise.
1515 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1516 (fold-const.o): Depend on intl.h.
1518 2007-02-13 Ian Lance Taylor <iant@google.com>
1521 * lower-subreg.c (resolve_simple_move): Decompose subregs in
1524 2007-02-13 Stuart Hastings <stuart@apple.com>
1526 * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1528 2007-02-13 Richard Henderson <rth@redhat.com>
1530 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1531 handled_component_p before looking for the indirect_ref.
1533 2007-02-13 Richard Henderson <rth@redhat.com>
1535 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1536 remove flags clobber.
1537 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1538 (bswaphi_lowpart): New.
1539 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1540 remove TARGET_BSWAP test. Delete expander of the same name.
1542 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1543 (expand_unop): Use them.
1545 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
1547 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1548 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1549 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1550 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1551 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1552 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1553 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1554 assembler dialect choice from asm templates.
1556 2007-02-12 Richard Henderson <rth@redhat.com>
1558 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1559 (fixuns_trunc<SSEMODEF>si2): Use it.
1560 * config/i386/sse.md (vec_setv4sf_0): Export.
1561 * config/i386/i386.c (ix86_build_const_vector): Export.
1562 (ix86_split_convert_uns_si_sse): Rename from
1563 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1564 * config/i386/i386-protos.h: Update.
1566 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1569 * c-typeck.c (c_finish_return): Improve warning message.
1571 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1573 * alias.c (find_symbolic_term): Delete unused function.
1575 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
1577 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1578 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1579 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1581 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
1583 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1584 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1585 the function, temporarily point the debug interface to the null one.
1587 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
1589 * dwarf2out.c (round_up_to_align): New static function.
1590 (field_byte_offset): Use it to round the offset.
1592 2007-02-12 Richard Henderson <rth@redhat.com>
1594 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1595 (inswl_const): Export.
1597 2007-02-12 Richard Henderson <rth@redhat.com>
1599 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1600 result mode of the libcall, convert back to outmode.
1602 2007-02-12 Roger Sayle <roger@eyesopen.com>
1604 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1605 (bswapdi2): New define_expand to implement 32-bit implementation.
1607 2007-02-12 Nick Clifton <nickc@redhat.com>
1609 * doc/invoke.texi (Overall Options): Document --help=.
1610 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1611 (cc1_options): Pass --help= on to cc1.
1612 (display_help): Add description of --help=.
1613 (process_command): Add code to handle --help=. Allow translated
1614 --help and --target-help switches to be passed on to compiler
1616 (main): Remove unused if statement.
1617 * opts.c (columns): Remove.
1618 (LEFT_COLUMN): Define.
1619 (wrap_help): Add columns argument.
1620 (print_filtered_help): Change parameters to be an include bitmask,
1621 an exclude bitmask, an any bitmask and the column width. Move the
1622 code to display the params list here. Add code to display the
1623 status of options rather than their descriptions if the quiet flag
1625 (print_specific_help): Change parameters to be an include bitmask,
1626 an exclude bitmask and an any bitmask. Move code to look up the
1627 column width here. Decide upon the title for an options listing.
1628 (common_handle_options): Add code to handle --help=. Adapt code
1629 for --help and --target-help to use the revised form of the
1630 print_specific_help function.
1631 (print_help): Delete.
1632 (print_param_help): Delete.
1633 (print_switch): Delete.
1634 * opts.h (cl_lang_count): Add prototype.
1635 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1636 CL_MAX_OPTION_CLASS): New defines.
1637 * optc-gen.awk: Add construction of cl_lang_count.
1638 * c.opt: Add Warning attribute to warning options and Optimization
1639 attribute to optimization options.
1640 * common.opt: Likewise.
1642 Add -fhelp and -ftarget-help as aliases for the transformed --help
1643 and --target-help options.
1644 * opt-functions.awk: Add code to handle Warning and Optimization
1647 2007-02-12 Richard Henderson <rth@redhat.com>
1649 * config/alpha/constraints.md: New file.
1650 * config/alpha/alpha.c: Include tm-constrs.h.
1651 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1652 alpha_extra_constraint): Remove.
1653 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1654 * config/alpha/alpha-protos.h: Update.
1655 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1656 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1657 (EXTRA_CONSTRAINT): Remove.
1658 * config/alpha/alpha.md: Include constraints.md.
1659 (adddi splitter): Use satisfies_constraint_*.
1660 * config/alpha/predicates.md (add_operand): Likewise.
1661 (sext_add_operand, addition_operation): Likewise.
1663 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
1665 PR tree-optimization/29145
1666 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1667 in our handling of restrict qualified pointers.
1669 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1672 * doc/invoke.texi (Wunused-value): Update description.
1673 (Wextra): Delete item.
1674 * opts.c (set_Wextra): Don't use the value of Wextra to set the
1675 value of Wunused-value.
1676 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1677 (c_finish_stmt_expr): Don't check extra_warnings.
1678 (emit_side_effect_warnings): The caller is responsible to check
1681 2007-02-11 Roger Sayle <roger@eyesopen.com>
1682 Matt Thomas <matt@3am-software.com>
1684 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1686 2007-02-11 Roger Sayle <roger@eyesopen.com>
1688 * simplify-rtx.c (simplify_relational_operation_1): Optimize
1689 comparisons of POPCOUNT against zero.
1690 (simplify_const_relational_operation): Likewise.
1692 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1694 * doc/invoke.texi (Wextra): Delete outdated paragraph.
1696 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1698 * dwarf2out.c (root_type): Delete unused function.
1700 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1702 * genattrtab.c (contained_in_p): Delete unused function.
1703 (write_expr_attr_cache): Likewise.
1705 2007-02-11 Jan Hubicka <jh@suse.cz>
1707 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1710 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
1712 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1713 to add the REG_EQ* note.
1714 * see.c (see_merge_one_use_extension): Likewise.
1715 * local-alloc.c (update_equiv_regs): Likewise. Also don't
1716 turn REG_EQUAL notes into REG_EQUIV notes if the target
1717 register may have more than one set.
1718 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1719 * gcse.c (try_replace_reg): Likewise.
1720 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1721 * calls.c (fixup_tail_calls): Likewise. Abort if there is
1722 more than one REG_EQUIV note.
1723 * reload1.c (gen_reload): Use set_unique_reg_note.
1725 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
1727 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1728 (ix86_builtin_conversion): New function.
1730 2007-02-06 Mark Mitchell <mark@codesourcery.com>
1733 * tree.h (DECL_REPLACEABLE_P): New macro.
1734 * except.c (set_nothrow_function_flags): Likewise.
1736 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
1737 Ira Rosen <irar@il.ibm.com>
1738 Dorit Nuzman <dorit@il.ibm.com>
1740 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1741 * targhooks.c (default_builtin_vectorized_conversion): New.
1742 * targhooks.h (default_builtin_vectorized_function): New declaration.
1743 * target.h (struct vectorize): Add builtin_conversion field.
1744 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1745 stmt_vec_info_type value.
1746 (vectorizable_conversion): New declaration.
1747 * tree-vect-analyze.c (vect_analyze_operations): Add
1748 vectorizable_conversion call.
1749 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
1750 * tree-vect-transform.c (vectorizable_conversion): New function.
1751 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
1752 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1754 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
1755 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
1756 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
1757 or ALTIVEC_BUILTIN_VCFSX.
1759 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1762 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
1763 CONST_DOUBLE and operand 0 is a hard register.
1764 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
1765 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
1766 is a hard floating-point register.
1768 2007-02-10 Richard Henderson <rth@redhat.com>
1769 Jakub Jelinek <jakub@redhat.com>
1770 Alexandre Oliva <aoliva@redhat.com>
1772 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
1773 * builtin-types.def (BT_WORD): Make unsigned.
1774 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1775 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1776 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1777 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1778 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1779 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1781 * expr.c (emutls_var_address): New.
1782 (expand_expr_real_1): Expand emulated tls.
1783 (expand_expr_addr_expr_1): Likewise.
1784 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1785 * output.h (emutls_finish): Declare.
1786 * toplev.c (compile_file): Call it.
1787 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1788 address before wrapping in CONST.
1789 * varasm.c (emutls_htab, emutls_object_type): New.
1790 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1791 (get_emutls_object_name, get_emutls_object_type): New.
1792 (get_emutls_init_templ_addr, emutls_decl): New.
1793 (emutls_common_1, emutls_finish): New.
1794 (assemble_variable): When emulating tls, swap decls; generate
1795 constructor for the emutls objects.
1796 (do_assemble_alias): When emulating tls, swap decl and target name.
1797 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1799 * varpool.c (decide_is_variable_needed): Look at force_output.
1800 Recurse for emulated tls.
1801 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
1802 with decide_is_variable_needed.
1803 * emutls.c: New file.
1804 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1805 tls_object for real tls.
1807 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
1809 PR rtl-optimization/29599
1810 * reload1.c (eliminate_regs_in_insn): Take the destination
1811 mode into account when computing the offset.
1813 2007-02-09 Stuart Hastings <stuart@apple.com>
1814 Richard Henderson <rth@redhat.com>
1816 * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1817 * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1818 * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
1819 fixuns_truncdfhi2): New.
1820 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
1821 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
1822 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
1823 (floatunssidf2): Allow nonimmediate source.
1824 * gcc/config/i386/sse.md (movdi_to_sse): New.
1825 (vec_concatv2di): Drop '*'.
1826 * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
1827 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1828 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
1830 * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
1831 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1832 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
1833 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
1834 (ix86_build_signbit_mask): Fix decl of v, refactor to call
1835 ix86_build_const_vector.
1836 (x86_emit_floatuns): Rewrite.
1838 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1840 * genautomata.c (longest_path_length): Delete unused function.
1841 (struct state): Delete unused longest_path_length.
1842 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
1843 (get_free_state): Delete unused.
1845 2007-02-09 Jan Hubicka <jh@suse.cz>
1847 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
1848 * doc/invoke.texi (inline-unit-growth): Update default value.
1850 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
1851 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
1852 (rebuild_cgraph_edges): Likewise.
1853 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
1854 (dump_cgraph_node): Dump frequencies.
1855 (cgraph_clone_edge): Add frequency scales.
1856 (cgraph_clone_node): Add freuqnecy.
1857 * cgraph.h (cgraph_edge): Add freuqnecy argument.
1858 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
1859 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
1860 * tree-pass.h (TODO_rebuild_frequencies): New constant.
1861 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
1862 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
1863 (save_inline_function_body): Likewise.
1864 * ipa-inline.c: inluce rtl.h
1865 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
1866 (cgraph_edge_badness): Use frequencies.
1867 (cgraph_decide_recursive_inlining): Update clonning.
1868 (cgraph_decide_inlining_of_small_function): Dump frequency.
1869 * predict.c (estimate_bb_frequencies): Export.
1870 * predict.h (estimate_bb_frequencies): Declare.
1871 * tree-inline.c (copy_bb): Watch overflows.
1872 (expand_call_inline): Update call of cgraph_create_edge.
1873 (optimize_inline_calls): Use TODO flags to update frequnecies.
1874 * passes.h: Include predict.h
1875 (init_optimization_passes): Move profile ahead.
1876 (execute_function_todo): Handle TODO_rebuild_frequencies.
1878 2007-02-09 Roger Sayle <roger@eyesopen.com>
1880 * config/alpha/alpha.c (emit_insxl): Force the first operand of
1881 the insbl or inswl pattern into a register.
1883 2007-02-09 Roger Sayle <roger@eyesopen.com>
1885 * config/ia64/ia64.md (bswapdi2): New define_insn.
1887 2007-02-09 Richard Henderson <rth@redhat.com>
1889 * config/i386/constraints.md (Ym): New constraint.
1890 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
1891 (movdi_1_rex64): Split sse and xmm general register moves from
1892 memory move alternatives. Use conditional register constraints.
1893 (movsf_1, movdf_integer): Likewise.
1894 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
1895 (movdf_integer_rex64): New.
1896 (pushsf_rex64): Fix output constraints.
1897 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
1898 (sse2_stored): Likewise.
1899 (sse2_storeq_rex64): New.
1900 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
1901 amd and not generic.
1902 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
1903 for optimize_size. Remove SF/DFmode hack.
1905 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
1907 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
1910 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
1911 Richard Sandiford <richard@codesourcery.com>
1913 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
1914 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
1915 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
1916 m68k/t-mlib to tmake_file.
1917 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
1918 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
1919 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
1920 Allow it to be cf or m68k. Set m68k_arch_family. If that
1921 variable is not empty, add t-$m68k_arch_family to tmake_file.
1922 Add t-mlibs to tmake_file.
1923 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
1924 * config/m68k/t-cf: New file.
1925 * config/m68k/t-m68k: Likewise.
1926 * config/m68k/t-mlibs: Likewise.
1927 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1928 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1929 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1930 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1931 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
1933 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
1934 (INSTALL_LIBGCC): Delete.
1935 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1936 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1937 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1938 (M68K_MLIB_CPU): Define.
1939 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1940 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1941 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
1943 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1944 Richard Guenther <rguenther@suse.de>
1947 * fold-const.c (fold_comparison): Handle obfuscated comparisons
1948 against INT_MIN/INT_MAX.
1949 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
1950 file if a loop is removed.
1952 2007-02-09 Joseph Myers <joseph@codesourcery.com>
1954 * calls.c (store_one_arg): Pass correct alignment to
1955 emit_push_insn for non-BLKmode values.
1956 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
1957 unaligned stack slot via a suitably aligned slot.
1959 2007-02-08 DJ Delorie <dj@redhat.com>
1961 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
1963 (legal_subregs): Use unsigned char, make const.
1964 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
1966 2007-02-08 Paul Brook <paul@codesourcery.com>
1968 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
1969 special interworking needed.
1971 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
1973 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
1974 conditional to __SSE2__.
1975 (Entries below should have been added to first ChangeLog
1976 entry for amdfam10 dated 2007-02-05)
1977 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
1979 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
1981 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
1984 2007-02-08 DJ Delorie <dj@redhat.com>
1986 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
1987 * config/m32c/m32c.c (legal_subregs): New.
1988 (m32c_illegal_subreg_p): New.
1989 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
1990 unsupported subregs of hard regs.
1992 2007-02-08 Jan Hubicka <jh@suse.cz>
1994 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
1995 the same one; always update histograms.
1997 2007-02-08 Diego Novillo <dnovillo@redhat.com>
1999 * passes.c (init_optimization_passes): Tidy comment.
2001 2007-02-08 Roger Sayle <roger@eyesopen.com>
2003 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2004 strip zero_extend, bswap and rotates from POCOUNT's argument.
2005 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2006 zero_extend and rotates from PARITY's argument.
2007 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2008 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2009 of an integer constant at compile-time.
2011 2007-02-08 Diego Novillo <dnovillo@redhat.com>
2014 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2016 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
2019 * tree-ssa-live.c (remove_unused_locals): Do not remove
2020 TREE_ADDRESSABLE variables.
2021 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2022 * tree-ssa-operands.c (add_virtual_operand): Remove argument
2023 FOR_CLOBBER. Update all users.
2024 If VAR has an associated alias set, add a virtual operand for
2025 it if no alias is found to conflict with the memory reference.
2027 2007-02-07 Jan Hubicka <jh@suse.cz>
2028 Robert Kidd <rkidd@crhc.uiuc.edu>
2030 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2032 2007-02-07 Ian Lance Taylor <iant@google.com>
2034 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2036 2007-02-07 Roger Sayle <roger@eyesopen.com>
2038 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2039 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2040 tablejumpdi, movsi_to_cr_one): Remove constraints from
2041 define_expand's match_operands.
2043 2007-02-07 Roger Sayle <roger@eyesopen.com>
2045 * global.c (compute_regsets): Move declatation of "i" inside of
2046 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2048 2007-02-07 Jakub Jelinek <jakub@redhat.com>
2051 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2052 of INDIRECT_REF <RESULT_DECL>.
2054 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2056 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
2057 Kaz Kojima <kkojima@gcc.gnu.org>
2060 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2062 (sh_initialize_trampoline): Add parentheses to avoid a warning.
2064 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2066 * doc/loop.texi: Document possibility not to perform disambiguation
2067 of loops with multiple latches.
2068 * cfgloopmanip.c (alp_enum_p): Removed.
2069 (add_loop): Handle subloops. Use get_loop_body_with_size.
2070 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2071 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2072 the new forwarder block.
2073 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2074 Handle the case latch is NULL.
2075 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2076 when marking loop exits.
2077 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
2079 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
2080 disambiguate_loops_with_multiple_latches.
2081 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2082 before fix_loop_structure.
2083 * cfgloop.c: Include pointer-set.h and output.h.
2084 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2085 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2086 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2087 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2088 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2089 disambiguate_multiple_latches, get_loop_body_with_size,
2090 disambiguate_loops_with_multiple_latches): New functions.
2091 (flow_loop_dump): Dump multiple latch edges.
2092 (flow_loop_nodes_find): Handle loops with multiple latches.
2093 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2094 (glb_enum_p): Modified.
2095 (get_loop_body): Use get_loop_body_with_size.
2096 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2097 (AVOID_CFG_MODIFICATIONS): New constant.
2098 (disambiguate_loops_with_multiple_latches, add_loop,
2099 get_loop_body_with_size): Declare.
2100 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2102 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
2105 * global.c (compute_regsets): New function.
2106 (global_alloc): Refactored ELIMINABLE_REGSET
2107 and NO_GLOBAL_ALLOC_REGS computation out.
2108 (rest_of_handle_global_alloc): Call compute_regsets()
2109 for non-optimizing case.
2111 2007-02-06 Richard Henderson <rth@redhat.com>
2113 * config/i386/constraints.md (Y2): Rename from Y.
2114 (Yi): New constraint.
2115 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2116 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2117 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2118 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2119 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2120 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2121 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2122 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2123 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2124 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2125 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2126 vec_extractv2si_1): Change Y constraints to Y2.
2127 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2128 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2129 Change Y constraints to Y2.
2130 (sse2_loadld): Change Y constraints to x.
2132 2007-02-06 Roger Sayle <roger@eyesopen.com>
2134 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2135 (parity<mode>2): New define_expand using rs6000_emit_parity.
2136 * config/rs6000/rs6000.c (rs6000_emit_popcount,
2137 rs6000_emit_parity): New functions.
2138 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2139 rs6000_emit_parity): Prototype here.
2141 2007-02-06 Ian Lance Taylor <iant@google.com>
2143 * lower-subreg.c (simple_move_operand): Reject CONST.
2144 (resolve_clobber): Call validate_change rather than directly
2145 assigning to XEXP (pat, 0).
2147 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
2149 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2150 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2151 (tree-cfg.o): Remove hashtab.h dependency.
2153 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2154 (struct ivopts_data): Change niters to pointer_map_t.
2155 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2156 (niter_for_exit): Create pointer_map on demand. Change for
2158 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2159 (free_loop_data): Destroy data->niters if created and reset field.
2160 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2161 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2163 * tree-ssa-reassoc.c: Include pointer-set.h.
2164 (bb_rank): Change to long *.
2165 (operand_rank): Change to pointer_map_t.
2166 (find_operand_rank): Return long, -1 if not found. Declare as inline.
2167 (insert_operand_rank): Accept long.
2168 (operand_entry_hash, operand_entry_eq): Remove.
2169 (get_rank): Return long. Adjust for changes above.
2170 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
2172 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2174 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2175 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2176 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
2178 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
2179 directly since it cannot be NULL.
2180 (get_vi_for_tree): Rewrite for pointer_map API.
2181 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2182 (init_alias_vars): Create vi_for_tree as pointer_map.
2183 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2185 * tree-cfg.c: Don't include hashtab.h.
2186 (edge_to_cases): Declare as pointer_map.
2187 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2189 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2190 (start_recording_case_labels): Create edge_to_cases as pointer_map.
2191 (end_recoding_case_labels): Cleanup edge_to_cases manually before
2193 (record_switch_edge): Delete.
2194 (get_cases_for_edge): Adjust for pointer_map API, inline
2195 record_switch_edge (rewritten for new API), remove goto.
2197 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
2199 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2200 * tree-nested.c: Include pointer-set.h.
2201 (var_map_elt, var_map_eq, var_map_hash): Delete.
2202 (struct nesting_info): Remove GTY marker. Change the two htab_t's
2204 (nesting_info_bitmap_obstack): New.
2205 (lookup_field_for_decl): Adjust for pointer_map API.
2206 (lookup_tramp_for_decl): Adjust for pointer_map API.
2207 (get_nonlocal_debug_decl): Adjust for pointer_map API.
2208 (get_local_debug_decl): Adjust for pointer_map API.
2209 (convert_nl_goto_reference): Adjust for pointer_map API.
2210 (convert_nl_goto_receiver): Adjust for pointer_map API.
2211 (create_nesting_tree): Create outside GGC space. Create bitmap on
2212 the new obstack. Create field_map and var_map as pointer_maps.
2213 (free_nesting_tree): Adjust for changes to create_nesting_tree.
2215 (lower_nested_functions): Move root here, no need to NULL it.
2216 Initialize and release the obstack.
2218 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
2220 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2221 Remove prototypes and make them non-static.
2222 (struct tree_int_map): Remove.
2223 * tree.h (struct tree_int_map): Move here, turning TO into an
2225 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2227 * tree.h (TREE_COMPLEXITY): Remove.
2228 (struct tree_exp): Remove complexity field.
2229 * tree.c (build1_stat): Don't set it.
2231 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
2232 Victor Kaplansky <victork@il.ibm.com>
2234 * tree-vectorizer.c (vect_is_simple_use): Support induction.
2235 (vect_is_simple_reduction): Support reduction with induction as
2236 one of the operands.
2237 (vect_is_simple_iv_evolution): Fix formatting.
2238 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2239 formatting. Don't mark induction phis for vectorization.
2240 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2241 * tree-vect-transform.c (get_initial_def_for_induction): New function.
2242 (vect_get_vec_def_for_operand): Support induction.
2243 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2245 (vectorizable_reduction): Support reduction with induction as one of
2247 (vectorizable_type_demotion): Use def-type of stmt argument rather
2248 than dummy def-type.
2250 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2251 flag_tree_scev_cprop.
2252 * common.opt (tree-scev-cprop): New flag.
2254 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2255 call to vect_get_new_vect_var.
2257 2007-02-06 Ira Rosen <irar@il.ibm.com>
2259 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2260 vectype is not NULL.
2261 (vect_pattern_recog_1): Likewise.
2263 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2265 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2266 (fold_negate_expr): Likewise.
2268 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
2271 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2272 even if cv-qualification is the same.
2274 2007-02-05 Geoffrey Keating <geoffk@apple.com>
2276 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2277 __enable_execute_stack on completion.
2279 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2281 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2282 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2283 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2284 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2285 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2286 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2287 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2288 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2290 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2292 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2293 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2294 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2295 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2296 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2297 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2298 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2299 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2300 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2301 umuldi3_highpart_rex64, umulsi3_highpart_insn,
2302 umulsi3_highpart_zext, smuldi3_highpart_rex64,
2303 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2304 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2305 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2306 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2307 sqrtextenddfxf2_i387): Added amdfam10_decode.
2309 * config/i386/athlon.md (athlon_idirect_amdfam10,
2310 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2311 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2312 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2313 athlon_ivector_store_amdfam10): New define_insn_reservation.
2314 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2317 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2319 * config/i386/athlon.md (athlon_call_amdfam10,
2320 athlon_pop_amdfam10, athlon_lea_amdfam10): New
2321 define_insn_reservation.
2322 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2323 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2324 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2326 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2328 * config/i386/athlon.md (athlon_sseld_amdfam10,
2329 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2330 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2332 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2334 * config/i386/athlon.md (athlon_sseins_amdfam10): New
2335 define_insn_reservation.
2336 * config/i386/i386.md (sseins): Added sseins to define_attr type
2337 and define_attr unit.
2338 * config/i386/sse.md: Set type attribute to sseins for insertq
2341 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2343 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2344 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2345 ssecomi_load_amdfam10, ssecomi_amdfam10,
2346 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2347 define_insn_reservation.
2348 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2350 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2352 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2353 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2354 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2355 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2356 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2357 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2358 define_insn_reservation.
2360 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2361 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2362 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2363 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2364 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2366 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2368 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2369 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2370 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2371 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2372 athlon_ssemul_load_k8): Added amdfam10.
2374 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2376 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2377 (x86_sse_unaligned_move_optimal): New variable.
2379 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2381 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2382 for unaligned vector SSE double/single precision loads for AMDFAM10.
2384 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2386 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2387 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2388 Define TARGET_CPU_DEFAULT_amdfam10.
2389 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2390 (processor_type): Add PROCESSOR_AMDFAM10.
2392 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2393 processor_type in config/i386/i386.h.
2394 Enable imul peepholes for TARGET_AMDFAM10.
2396 * config.gcc: Add support for --with-cpu option for amdfam10.
2398 * config/i386/i386.c (amdfam10_cost): New variable.
2399 (m_AMDFAM10): New macro.
2400 (m_ATHLON_K8_AMDFAM10): New macro.
2401 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2402 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2403 x86_promote_QImode, x86_integer_DFmode_moves,
2404 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2405 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2406 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2407 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2408 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2409 Enable/disable for amdfam10.
2410 (override_options): Add amdfam10_cost to processor_target_table.
2411 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2412 processor_alias_table.
2413 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2414 (ix86_adjust_cost): Add code for amdfam10.
2416 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2418 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2419 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2420 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2421 * config/i386/i386.h: Add builtin definition for SSE4A.
2422 * config/i386/i386.md: Add support for ABM instructions
2424 * config/i386/sse.md: Add support for SSE4A instructions
2425 (movntss, movntsd, extrq, insertq).
2426 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2427 Add -march=amdfam10 flag.
2428 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2429 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2431 * doc/extend.texi: Add documentation for SSE4A builtins.
2433 2007-02-05 Bob Wilson <bob.wilson@acm.org>
2435 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2437 2007-02-05 Richard Guenther <rguenther@suse.de>
2439 * tree-vectorizer.h (vectorizable_function): Add argument type
2440 argument, change return type.
2441 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2442 * tree-vect-transform.c (vectorizable_function): Handle extra
2443 argument, return vectorized function decl.
2444 (build_vectorized_function_call): Remove.
2445 (vectorizable_call): Handle calls with result and argument types
2446 differing. Handle loop vectorization factor correctly.
2447 * targhooks.c (default_builtin_vectorized_function): Adjust for
2449 * targhooks.h (default_builtin_vectorized_function): Likewise.
2450 * target.h (builtin_vectorized_function): Add argument type
2452 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2453 extra argument, allow vectorizing of lrintf.
2454 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2455 documentation of target hook.
2457 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
2460 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2461 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2462 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2464 2007-02-05 Roger Sayle <roger@eyesopen.com>
2466 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2467 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2468 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2469 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2470 before canonicalizing sincos to cexpi.
2471 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2473 2007-02-05 Roger Sayle <roger@eyesopen.com>
2475 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2476 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2477 (alpha_init_builtins): Use alpha_add_builtins to process tables.
2479 2007-02-05 Roger Sayle <roger@eyesopen.com>
2481 * mips-tfile.c (initialize_init_file): Correct endianness test.
2483 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
2485 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2488 2007-02-05 Richard Sandiford <richard@codesourcery.com>
2490 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2491 saves in a PARALLEL before the register assignments.
2493 2007-02-05 Richard Sandiford <richard@codesourcery.com>
2495 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2496 DWARF_FRAME_RETURN_COLUMN to be a general register.
2497 * dwarf2out.c (init_return_column_size): New function, split from...
2498 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
2499 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2500 to be nongeneral registers.
2501 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2503 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2504 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2506 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2508 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2510 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2512 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2513 (remove_path): Use can_remove_branch_p and remove_branch instead
2514 of loop_delete_branch_edge.
2515 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2516 (tree_transform_and_unroll_loop): Remove dead branches immediately.
2517 Update profile using scale_dominated_blocks_in_loop.
2518 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2519 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2520 (can_remove_branch_p, remove_branch): Declare.
2521 * tree-cfg.c (tree_can_remove_branch_p): New function.
2522 (tree_cfg_hooks): Add tree_can_remove_branch_p.
2523 * cfgrtl.c (rtl_can_remove_branch_p): New function.
2524 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2526 2007-02-05 Jan Hubicka <jh@suse.cz>
2529 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2530 nodes in cgraph, don't remove offline copy of the function.
2532 2007-02-04 Jan Hubicka <jh@suse.cz>
2534 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2535 vectors might cause maybe_lookup_element_for_expr to be called
2536 on non-sra-candidate.
2538 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
2540 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2541 config/bfin/bfin.md, config/bfin/predicates.md: Follow
2542 spelling conventions.
2544 2007-02-04 Richard Guenther <rguenther@suse.de>
2547 * fold-const.c (try_move_mult_to_index): Make sure to not
2548 overflow one dimension of a multi-dimensional array access.
2550 2007-02-04 Jan Hubicka <jh@suse.cz>
2552 * passes.c (init_optimization_passes): Reindent.
2554 2007-02-04 Jan Hubicka <jh@suse.cz>
2555 Eric Botcazou <ebotcazou@adacore.com>
2557 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2558 (execute_fixup_cfg): Break out the abnormal goto code.
2559 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2560 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2561 (optimize_inline_calls): Call make_nonlocal_label_edges.
2563 2007-02-04 Jan Hubicka <jh@suse.cz>
2565 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2566 true when something was changed.
2567 (rename_ssa_copies): When something was changed, do
2568 TODO_remove_unused_locals.
2569 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2570 add TODO_remove_unused_locals when instruction was removed.
2572 2007-02-04 Jan Hubicka <jh@suse.cz>
2574 * ipa-inline.c (try_inline): Improve debug output; work on already
2576 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2577 call try_inline for already inlined edges too when flattening;
2578 inline also functions that make callee growth but overall unit size
2581 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
2583 * config/m32c/bitops.md, config/m32c/jump.md,
2584 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2585 config/m32r/m32r.h, config/m32r/m32r.md,
2586 config/m32r/predicates.md, config/m68hc11/larith.asm,
2587 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2588 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2589 config/mips/mips-protos.h, config/mips/mips.c,
2590 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2591 config/mn10300/mn10300.h, config/mn10300/predicates.md,
2592 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2593 spelling conventions.
2595 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2596 Follow spelling conventions.
2598 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
2600 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2601 warn about C++0x compatibility.
2603 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
2605 * config/h8300/h8300.c, config/h8300/h8300.h,
2606 config/h8300/h8300.md: Follow spelling conventions.
2608 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
2611 * combine.c (try_combine): Do not substitute source operand
2612 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2614 2007-02-03 Jan Hubicka <jh@suse.cz>
2616 PR gcov-profile/30650
2617 * value-prof.c (stringop_block_profile): Fix handling of size counter;
2618 do not divide by zero for never executed counters.
2619 (tree_find_values_to_profile): Fix counters.
2620 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2622 2007-02-03 Ian Lance Taylor <iant@google.com>
2624 * lower-subreg.c (simple_move_operand): New static function,
2625 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
2627 (simple_move): Call simple_move_operand.
2628 (find_decomposable_subregs): Add special handling of MEMs.
2629 (can_decompose_p): Rename from cannot_decompose_p. Reverse
2630 meaning of return value. If we see a hard register, test whether
2631 it can store a word_mode value. Change all callers.
2633 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2635 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2636 ftrapv insns and expanders.
2637 (subdi3): Change define_expand operand 1 to arith11_operand, and
2638 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
2639 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
2640 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2644 * varasm.c (notice_global_symbol): Treat global objects as weak when
2647 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2649 * emit-rtl.c (dconstpi): Delete.
2651 (init_emit_once): Delete dconstpi and init dconstsqrt2.
2652 * real.h (dconstpi): Delete.
2654 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2655 (fold_builtin_hypot): Likewise.
2657 2007-02-03 Tom Tromey <tromey@redhat.com>
2660 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2661 -gcoff3, -gxcoff3, -gvms3 implies -dD.
2663 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
2665 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2666 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2667 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2668 config/rs6000/cell.md, config/rs6000/darwin.h,
2669 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2670 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2671 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2672 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2673 typos. Follow spelling conventions.
2674 * doc/invoke.texi: Follow spelling conventions.
2676 2007-02-03 Roger Sayle <roger@eyesopen.com>
2678 * simplify-rtx.c (simplify_relational_operation_1): Implement some
2679 canonicalization transformations that attempt to simplify integer
2680 constant comparisons to become comparisons against zero.
2682 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2684 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2686 * fold-const.c (fold_binary): Fix comment typos. Fold complex
2687 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
2689 2007-02-02 Mike Stump <mrs@apple.com>
2691 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2692 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2693 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2694 generate a branch island.
2696 2007-02-02 Bob Wilson <bob.wilson@acm.org>
2698 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2699 (xtensa_legitimate_address_p): New.
2700 (xtensa_legitimize_address): New.
2701 (xtensa_output_addr_const_extra): New.
2702 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2704 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2705 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2706 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2707 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2708 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2709 (xtensa_legitimize_address): New.
2710 (xtensa_output_addr_const_extra): New.
2712 2007-02-02 Steve Ellcey <sje@cup.hp.com>
2714 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2716 2007-02-02 Ian Lance Taylor <iant@google.com>
2718 * expmed.c (expand_divmod): Add comment.
2720 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
2722 * emit-rtl.c (renumber_insns): Remove.
2723 * flags.h: Remove the extern for flag_renumber_insns.
2724 * rtl.h: Remove the prototype for renumber_insns.
2725 * toplev.c (flag_renumber_insns): Remove.
2727 2007-02-02 Hui-May Chang <hm.chang@apple.com>
2729 Revert for x86 darwin:
2730 2005-06-19 Uros Bizjak <uros@kss-loka.si>
2732 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2733 code before the following patch under TARGET_MACHO.
2734 (ix86_function_value_regno_p): Likewise.
2736 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2738 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2741 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2744 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2745 general or fp registers. Add comments.
2746 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2748 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
2750 * pointer-set.c (insert_aux): Only return insertion slot.
2751 (pointer_set_insert): Adjust.
2752 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
2753 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
2754 pointer_map_traverse): New.
2755 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
2756 pointer_map_create, pointer_map_destroy, pointer_map_insert,
2757 pointer_map_contains, pointer_map_traverse): Declare.
2759 2007-02-02 Jakub Jelinek <jakub@redhat.com>
2762 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2763 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
2765 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2767 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
2769 (struct _dep): New type.
2770 (dep_t): New typedef.
2771 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
2772 (DEP_STATUS): New access macro. The macro with the same name was
2773 renamed to DEP_LINK_STATUS.
2774 (dep_init): Declare function
2776 (struct _dep_link): New type.
2777 (dep_link_t): New typedef.
2778 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
2779 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
2780 (DEP_LINK_STATUS): New macro.
2781 (debug_dep_links): New debug function.
2783 (struct _deps_list): New type.
2784 (deps_list_t): New typedef.
2785 (DEPS_LIST_FIRST): New access macro.
2786 (FOR_EACH_DEP_LINK): New cycle macro.
2787 (create_deps_list, free_deps_list, delete_deps_list): Declare
2789 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
2790 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
2791 (copy_deps_list_change_con): Ditto.
2793 (move_dep_link): Declare function.
2795 (struct _dep_node): New type.
2796 (dep_node_t): New typedef.
2797 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
2799 (struct haifa_insn_data.back_deps): New field to hold backward
2800 dependencies of the insn.
2801 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
2803 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
2804 Change its type to deps_list_t.
2805 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
2806 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
2807 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
2809 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
2811 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
2813 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
2815 (dep_cost): Declare.
2817 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
2818 (ds_to_dk, dk_to_ds): New functions.
2820 (init_dep_1): New static function.
2821 (init_dep): New function.
2822 (copy_dep): New static function.
2824 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
2826 (detach_dep_link): New static function.
2827 (move_dep_link): New function.
2829 (dep_links_consistent_p, dump_dep_links): New static functions.
2830 (debug_dep_links): New debugging function.
2832 (deps_obstack, dl_obstack, dn_obstack): New static variables.
2834 (alloc_deps_list, init_deps_list): New static functions.
2835 (create_deps_list): New function.
2836 (clear_deps_list): New static function.
2837 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
2838 (deps_list_consistent_p, dump_deps_list): New static functions.
2839 (debug_deps_list): New function.
2840 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
2842 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
2844 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
2845 use new scheduler dependencies lists.
2846 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
2847 (sched_analyze): Ditto. Initialize dependencies lists.
2848 (add_forw_dep, compute_forward_dependences): Update to use new
2849 scheduler dependencies lists.
2851 (init_dependency_caches): Init deps_obstack.
2852 (free_dependency_caches): Free deps_obstack.
2854 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
2855 new scheduler dependencies lists.
2856 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
2857 (add_back_forw_dep, delete_back_forw_dep): Ditto.
2859 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
2860 Update to use new scheduler dependencies lists.
2861 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
2862 (debug_dependencies): Ditto.
2863 (schedule_region): Update comments.
2865 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
2866 scheduler dependencies lists.
2867 (schedule_ebb): Update comments.
2869 * rtl.def (DEPS_LIST): Remove.
2871 * lists.c (unused_deps_list): Remove.
2872 (free_list): Update assertions.
2874 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
2875 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2877 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
2878 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2880 * haifa-sched.c (comments): Update.
2881 (insn_cost1): Remove. Inline the code into insn_cost ().
2882 (insn_cost): Update to use new scheduler dependencies lists. Move
2883 processing of the dependency cost to dep_cost ().
2884 (dep_cost): New function. Use it instead of insn_cost () when
2885 evaluating cost of the dependency. Use compatible interface to
2886 interact with the target.
2887 (priority): Update to use new scheduler dependencies lists.
2888 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
2889 with greater number of insns that depend on the insn.
2890 (schedule_insn): Update to use new scheduler dependencies lists. Add
2891 code to free backward dependencies lists. Inline and optimize code
2892 from resolve_dep () - see PR28071.
2893 (ok_for_early_queue_removal): Update to use new scheduler dependencies
2894 lists. Update call to targetm.sched.is_costly_dependence hook.
2896 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
2897 scheduler dependencies lists.
2899 (resolve_dep): Remove. Move the logic to schedule_insn ().
2900 (init_h_i_d): Initialize dependencies lists.
2902 (process_insn_depend_be_in_spec): Rename to
2903 process_insn_forw_deps_be_in_spec. Update to use new scheduler
2905 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
2906 Update to use new scheduler dependencies lists.
2907 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
2909 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
2910 new scheduler dependencies lists.
2911 (build_intra_loop_deps): Ditto.
2913 * target.h (struct _dep): Declare to use in
2914 gcc_target.sched.is_costly_dependence.
2915 (struct gcc_target.sched.adjust_cost): Fix typo.
2916 (struct gcc_target.sched.is_costly_dependence): Change signature to use
2917 single dep_t parameter instead of an equivalent triad.
2918 (struct gcc_target.sched.adjust_cost_2): Remove.
2920 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
2922 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
2924 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
2926 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
2928 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
2929 (REG_DEP_TRUE): Document.
2931 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
2932 Change signature to correspond to the targetm.sched.adjust_cost hook.
2933 Update use in TARGET_SCHED_ADJUST_COST_2.
2934 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
2935 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
2936 new scheduler dependencies lists.
2937 (ia64_gen_check): Ditto.
2939 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
2942 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
2943 signature to correspond to the targetm.sched.is_costly_dependence hook.
2944 (is_costly_group): Update to use new scheduler dependencies lists.
2946 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
2947 instead of INSN_COST () macro.
2949 2007-02-01 Ian Lance Taylor <iant@google.com>
2951 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
2953 2007-02-01 Guy Martin <gmsoft@gentoo.org>
2955 * pa.md (tp_load): Correct mfctl instruction syntax.
2957 2007-02-01 Geoffrey Keating <geoffk@apple.com>
2959 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
2960 altivec_padding_size calculation on AIX. Improve comment, add
2961 assert to verify that it's right.
2963 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
2966 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
2969 * global.c (global_alloc): Add mising initialization of
2972 2007-02-01 Roger Sayle <roger@eyesopen.com>
2974 * alias.c (init_alias_analysis): Correct whitespace.
2975 * bb-reorder.c (fix_edges_for_rarely_executed_code,
2976 partition_hot_cold_basic_blocks): Likewise.
2977 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2978 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
2979 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2980 fold_builtin_snprintf_chk, fold_builtin_printf,
2981 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
2982 do_mpfr_arg3, do_mpfr_sincos): Likewise.
2983 * cfgcleanup.c (cleanup_cfg): Likewise.
2984 * cfgexpand.c (tree_expand_cfg): Likewise.
2985 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
2986 * function.c (get_next_funcdef_no): Likewise.
2987 * gengtype.c (main): Likewise.
2988 * genmodes.c (main): Likewise.
2989 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
2990 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
2991 * ifcvt.c (noce_emit_move_insn): Likewise.
2992 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
2994 * stor-layout.c (get_best_mode): Likewise.
2995 * tree-ssa-loop-niter.c (get_val_for): Likewise.
2996 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
2997 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
2998 perform_var_substitution, solve_graph): Likewise.
2999 * tree-vrp.c (vrp_finalize): Likewise.
3001 2007-02-01 Ian Lance Taylor <iant@google.com>
3003 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3004 high part of a paradoxical subreg, return a constant zero.
3006 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
3008 * toplev.c (lang_dependent_init): Call init_set_costs.
3009 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3011 2007-02-01 Richard Guenther <rguenther@suse.de>
3014 * fold-const.c (fold_negate_expr): Allow negating a
3015 constant if overflow does not change.
3017 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3019 * doc/c-tree.texi (Expression trees): Improve markup.
3020 * doc/tm.texi (Register Classes, Addressing Modes)
3021 (Floating Point): Fix spacing after abbreviations. Fix some
3024 2007-02-01 Ben Elliston <bje@au.ibm.com>
3026 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3027 * doc/contrib.texi: Likewise.
3028 * doc/install.texi: Likewise.
3030 2007-01-31 Richard Henderson <rth@redhat.com>
3031 Ian Lance Taylor <iant@google.com>
3033 * lower-subreg.c: New file.
3034 * rtl.def (CONCATN): Define.
3035 * passes.c (init_optimization_passes): Add pass_lower_subreg and
3037 * emit-rtl.c (update_reg_offset): New static function, broken out
3038 of gen_rtx_REG_offset.
3039 (gen_rtx_REG_offset): Call update_reg_offset.
3040 (gen_reg_rtx_offset): New function.
3041 * regclass.c: Revert patch of 2006-03-05, restoring
3043 (clear_reg_info_regno): New function.
3044 * dwarf2out.c (concatn_loc_descriptor): New static function.
3045 (loc_descriptor): Handle CONCATN.
3046 * common.opt (fsplit_wide_types): New option.
3047 * opts.c (decode_options): Set flag_split_wide_types when
3049 * timevar.def (TV_LOWER_SUBREG): Define.
3050 * rtl.h (gen_reg_rtx_offset): Declare.
3051 (reg_scan_update): Declare.
3052 * regs.h (clear_reg_info_regno): Declare.
3053 * tree-pass.h (pass_lower_subreg): Declare.
3054 (pass_lower_subreg2): Declare.
3055 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3056 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
3058 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3059 * Makefile.in (OBJS-common): Add lower-subreg.o.
3060 (lower-subreg.o): New target.
3062 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
3064 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3066 2007-01-31 Anatoly Sokolov <aesok@post.ru>
3069 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3071 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3074 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3076 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
3078 * cfgloop.h: Include vec-prim.h.
3079 (enum li_flags): Remove LI_ONLY_OLD.
3080 (loop_iterator): Changed.
3081 (fel_next, fel_init): Iterate over loop tree.
3082 (FOR_EACH_LOOP_BREAK): New macro.
3083 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3085 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3086 * modulo-sched.c (sms_schedule): Ditto.
3087 * tree-vectorizer.c (vectorize_loops): Ditto.
3088 * doc/loop.texi: Update information on loop numbering and behavior of
3089 FOR_EACH_LOOP wrto new loops.
3090 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3091 add_to_evolution_1): Test nestedness of loops instead of comparing
3093 * tree-chrec.c (chrec_fold_plus_poly_poly,
3094 chrec_fold_multiply_poly_poly, chrec_evaluate,
3095 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3096 reset_evolution_in_loop): Ditto.
3097 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3099 2007-01-31 Dirk Mueller <dmueller@suse.de>
3101 * c-common.c (warn_about_parentheses): Separate warning about
3102 un-parenthized sequence of comparison operators from the one
3103 which is supposed to warn about x <= y <= z.
3105 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
3107 * optabs.h (enum optab_index): Add new OTI_isinf.
3108 (isinf_optab): Define corresponding macro.
3109 * optabs.c (init_optabs): Initialize isinf_optab.
3110 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3112 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3113 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3115 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3116 expand_builtin_interclass_mathfn.
3117 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3118 * config/i386/i386.md (UNSPEC_FXAM): New constant.
3119 (fxam<mode>2_i387): New insn pattern.
3120 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3121 built-in functions as x87 inline asm.
3123 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
3125 * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3127 2007-01-30 Eric Christopher <echristo@apple.com>
3129 * config.gcc: Add geode.
3131 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
3133 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3134 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3135 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3136 value-prof.c: Fix comment typos.
3138 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3141 * doc/invoke.texi (Wpointer-arith): Document warning.
3143 2007-01-30 Janis Johnson <janis187@us.ibm.com>
3145 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3146 the list of discrepancies from the draft TR.
3148 2007-01-30 Dirk Mueller <dmueller@suse.de>
3151 * doc/invoke.texi (-Wreturn-type): Update description to
3154 2007-01-30 Richard Sandiford <richard@codesourcery.com>
3156 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3158 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
3160 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3161 to handle optabs that operate on floating point input argument and
3162 output to integer output.
3163 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3164 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3165 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3166 expand_builtin_interclass_mathfn ().
3167 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3169 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3170 ilogbl built-in functions as x87 intrinsics.
3172 2007-01-30 Richard Guenther <rguenther@suse.de>
3175 * dwarf2out.c (reference_to_unused): Query varpool if the
3176 variable was output.
3178 2007-01-30 Richard Guenther <rguenther@suse.de>
3181 * passes.c (execute_one_pass): Reset in_gimple_form to not
3182 confuse non-unit-at-a-time mode.
3184 2007-01-29 Roger Sayle <roger@eyesopen.com>
3185 Richard Guenther <rguenther@suse.de>
3187 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3188 avoid undefined behaviour on overflow. Use force_fit_type_double
3189 to construct the constant with the specified TREE_OVERFLOW.
3191 2007-01-29 Janis Johnson <janis187@us.ibm.com>
3193 * config/dfp-bit.c: Add parameterized support for fp exceptions.
3194 * config/dfp-bit.h: Ditto.
3196 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3198 * c-decl.c (pop_scope): Replace warnings with call to
3199 warn_for_unused_label.
3200 * c-common.h (warn_for_unused_label): Declare.
3201 * c-common.c (warn_for_unused_label): Define.
3203 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3205 * tree-optimize.c (update_inlined_to_pointers): Delete unused
3208 2007-01-29 Janis Johnson <janis187@us.ibm.com>
3210 * Makefile.in (USER_H): Remove decfloat.h.
3211 * ginclude/decfloat.h: Delete, moving contents to ...
3212 * ginclude/float.h: Add support for decimal floating point,
3213 guarded by __STDC_WANT_DEC_FP__.
3215 2007-01-29 Mike Stump <mrs@apple.com>
3217 * doc/gccint.texi (Top): Rename Loop Representation to Loop
3218 Analysis and Representation to resolve case insensitive conflict.
3219 * doc/loop.texi (Loop Analysis and Representation): Likewise.
3221 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
3223 * tree.h (struct tree_memory_tag): Add aliases member.
3224 (MTAG_ALIASES): New macro.
3225 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3226 (add_may_alias): Remove pointer-set. Update for may_aliases being
3228 (mark_aliases_call_clobbered): Update for may_aliases being a
3230 (compute_tag_properties): Ditto.
3231 (create_partition_for): Ditto.
3232 (compute_memory_partitions): Ditto.
3233 (dump_may_aliases_for): Ditto.
3234 (is_aliased_with): Ditto.
3235 (add_may_alias_for_new_tag): Ditto.
3236 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3237 (compute_is_aliased): New function.
3238 (compute_may_aliases): Call compute_is_aliased).
3239 (init_alias_info): Initialize alias_bitmap_obstack.
3240 (union_alias_set_into): New function.
3241 (compute_flow_sensitive_aliasing): Use union_aliases_into.
3242 (have_common_aliases_p): Rewrite to take two bitmaps and use
3244 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3246 (finalize_ref_all_pointers): Update for add_may_alias changes.
3247 (new_type_alias): Ditto.
3248 * tree-flow-inline.h (may_aliases): Return a bitmap.
3249 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3250 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3251 may_aliases being a bitmap.
3252 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3253 may_aliases now returns a bitmap.
3254 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3256 * tree-ssa-operands.c (add_virtual_operand): Update for
3257 may_aliases being a bitmap.
3259 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
3261 PR tree-optimization/30630
3262 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3263 variable as changed.
3265 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
3268 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3269 expanded only once even if an error occurs.
3271 2007-01-29 Ben Elliston <bje@au.ibm.com>
3273 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3274 (__gcov_average_profiler): Likewise.
3275 (__gcov_ior_profiler): Likewise.
3276 (__gcov_merge_ior): Likewise.
3278 2007-01-28 Jan Hubicka <jh@suse.cz>
3280 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3281 * value-prof.c (stringop_block_profile): Likewise.
3283 2007-01-28 Jan Hubicka <jh@suse.cz>
3285 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3286 variant handling histograms; add wrapper.
3287 (clear_storage_via_libcall): Export.
3288 (emit_block_move_hints): Break out from ...; add histograms.
3289 (emit_block_move): ... this one.
3290 (clear_storage_hints): Break out from ...; add histograms.
3291 (clear_storage): ... this one.
3292 (set_storage_via_memset): Handle histogram.
3293 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3294 (clear_storage_hints, clear_storage_via_libcall): Declare.
3295 (set_storage_via_setmem): Update prototype.
3296 * doc/md.texi (movmem, setmem): Document new arguments.
3298 * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3300 (stringop_block_profile): New global function.
3301 (tree_stringops_values_to_profile): Profile block size and alignment.
3302 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3304 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3305 (stringop_block_profile): Declare.
3306 * builtins.c: Include value-prof.h.
3307 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3308 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3309 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3310 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3311 * profile.c (instrument_values): Add new counters.
3312 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3314 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3315 (tree_init_edge_profiler): Build new profilers.
3316 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3317 (pass_tree_profile): Add dump.
3318 (tree_profile_hooks): Update.
3319 * Makefile.in (LIBGCOV): Add new constants.
3320 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3321 __gcov_ior_profiler): New.
3322 * i386.md (movmem/setmem expanders): Add new optional arguments.
3324 2007-01-28 David Edelsohn <edelsohn@gnu.org>
3326 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3328 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
3330 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3331 (tree_unswitch_single_loop): Pass eni_size_weights to
3332 tree_num_loop_insns.
3333 * tree-ssa-loop-manip.c: Include tree-inline.h.
3334 (can_unroll_loop_p): Pass eni_size_weights to
3335 tree_num_loop_insns.
3336 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3337 Pass eni_size_weights to estimate_num_insns.
3338 * tree.h (init_inline_once): Export.
3339 * toplev.c (backend_init): Call init_inline_once.
3340 * cgraphunit.c (cgraph_process_new_functions,
3341 cgraph_analyze_function): Pass eni_inlining_weights to
3343 * ipa-inline.c (compute_inline_parameters): Ditto.
3344 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3345 to estimate_num_insns.
3346 (try_unroll_loop_completely): Pass eni_size_weights to
3347 tree_num_loop_insns.
3348 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3349 ot estimate_num_insns.
3350 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3351 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3352 * tree-inline.c (eni_inlining_weights, eni_size_weights,
3353 eni_time_weights): New variables.
3354 (init_inline_once): Initialize them.
3355 (struct eni_data): Mew.
3356 (estimate_num_insns_1, estimate_num_insns): Use weights.
3357 * tree-inline.h (struct eni_weights_d): New.
3358 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3359 (estimate_num_insns): Declaration changed.
3360 * cfgloop.h (tree_num_loop_insns): Declaration changed.
3361 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3362 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3364 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
3366 * tree-data-ref.c (conflict_fn): Assert that the number of affine
3367 relations in the conflict function is valid.
3369 2007-01-27 Ian Lance Taylor <iant@google.com>
3371 * common.opt: Add fstrict-overflow.
3372 * opts.c (decode_options): Set flag_strict_overflow if -O2.
3373 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3374 (TYPE_OVERFLOW_UNDEFINED): Define.
3375 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
3377 * tree.h (TYPE_TRAP_SIGNED): Don't define.
3378 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3379 (fold_negate_expr): Likewise.
3380 (make_range): Likewise.
3381 (extract_muldiv_1): Likewise.
3382 (maybe_canonicalize_comparison): Likewise.
3383 (fold_comparison): Likewise.
3384 (fold_binary): Likewise.
3385 (tree_expr_nonnegative_p): Likewise.
3386 (tree_expr_nonzero_p): Likewise.
3387 * tree-vrp.c (compare_values): Likewise.
3388 (extract_range_from_binary_expr): Likewise.
3389 (extract_range_from_unary_expr): Likewise.
3390 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3392 (nowrap_type_p): Likewise.
3393 * tree-scalar-evolution.c (simple_iv): Likewise.
3394 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3395 (build_range_check): Likewise.
3396 (extract_muldiv_1): Likewise.
3397 (fold_comparison): Likewise.
3398 * tree-vrp.c (vrp_int_const_binop): Likewise.
3399 (extract_range_from_unary_expr): Likewise.
3400 * convert.c (convert_to_integer): Likewise.
3401 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3402 (fold_comparison): Likewise.
3403 (fold_binary): Likewise.
3404 * optabs.c (optab_for_tree_code): Likewise.
3405 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3406 * simplify-rtx.c (simplify_const_relational_operation): Check
3407 flag_strict_overflow and flag_trapv.
3408 (simplify_const_relational_operation): Likewise.
3409 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3410 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
3413 2007-01-27 Roger Sayle <roger@eyesopen.com>
3415 * tree.c (tree_fold_gcd): Delete.
3416 * tree.h (tree_fold_gcd): Remove prototype.
3417 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3418 test whether one constant integer is a multiple of another. Instead
3419 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3420 * fold-const.c (multiple_of_p): We've determined both TOP and
3421 BOTTOM are integer constants so we can call int_const_binop directly
3422 instead of the more generic const_binop.
3424 2007-01-27 Roger Sayle <roger@eyesopen.com>
3426 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3427 1*X check that the constant hasn't overflowed, to preserve the
3429 (round_up): Provide an efficient implementation when rouding-up an
3430 INTEGER_CST to a power-of-two.
3432 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3434 * doc/sourcebuild.texi: Add comma for clarity.
3435 * doc/extend.texi: Fix some typos.
3436 * doc/passes.texi: Likewise.
3437 * doc/cppinternals.texi: Likewise.
3438 * doc/c-tree.texi: Likewise.
3439 * doc/tree-ssa.texi: Likewise.
3440 * doc/install.texi: Likewise.
3442 2007-01-27 Jan Hubicka <jh@suse.cz>
3444 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3445 (pass_sra): Do not require alias information.
3446 * passes.c (init_optimization_passes): Add SRA
3448 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
3450 * tracer.c (rest_of_handle_tracer): We already cleaned
3451 up the CFG in tracer() so don't do it here again.
3452 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3453 cleanup_cfg here, either. And don't call renumber_insns.
3455 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3456 and BB_HEAD are in the insn stream here. Instead make sure
3457 that BB_INSN is valid on all insns. Also, do check here that
3458 there are no pending branch predictions...
3459 (rtl_verify_flow_info): ...instead of doing it here. Checks
3460 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3463 2007-01-26 Roger Sayle <roger@eyesopen.com>
3465 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3466 function to simplify/factorize operand order canonicalization.
3467 (ix86_fixup_binary_operands): Reorganize using the above function.
3468 (ix86_binary_operator_ok): Likewise.
3470 2007-01-27 Jakub Jelinek <jakub@redhat.com>
3472 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3473 file scope from optimize_attrs.
3474 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3476 (optimize_attrs): Clear insn_code_values after freeing it.
3478 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
3480 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3481 a parts.base assignment.
3483 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
3485 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3486 (compute_subscript_distance, initialize_data_dependence_relation,
3487 finalize_ddr_dependent, analyze_ziv_subscript,
3488 analyze_siv_subscript_cst_affine,
3489 compute_overlap_steps_for_affine_univar,
3490 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3491 analyze_siv_subscript, analyze_miv_subscript,
3492 analyze_overlapping_iterations, subscript_dependence_tester_1,
3493 compute_self_dependence, free_dependence_relation): Work
3494 with affine_fn instead of chrecs.
3495 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3496 common_affine_function, affine_function_base,
3497 affine_function_constant_p, affine_fn_op, affine_fn_plus,
3498 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3499 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3500 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3501 (all_chrecs_equal_p): Removed.
3502 * tree-data-ref.h (affine_fn, conflict_function): New types.
3503 (struct subscript): Change type of conflicting_iterations_in_a
3504 and conflicting_iterations_in_b.
3506 2007-01-26 Steve Ellcey <sje@cup.hp.com>
3509 * config/pa/pa.h (TARGET_HPUX_11): New.
3510 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3511 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3513 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
3514 Richard Guenther <rguenther@suse.de>
3516 * tree-ssa-structalias.c (solve_graph): Handle case
3517 we merged the variable to another.
3519 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3521 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3524 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3525 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3527 2007-01-25 DJ Delorie <dj@redhat.com>
3529 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3530 allow changes to modes which don't fit in those registers.
3532 * reload1.c (choose_reload_regs): Check for invalid subregs before
3533 computing their locations, not after.
3535 2007-01-25 Geoffrey Keating <geoffk@apple.com>
3538 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3539 save Altivec registers in an eh_return function.
3540 (compute_vrsave_mask): Likewise.
3541 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3542 for saving Altivec registers.
3543 (rs6000_emit_prologue): Don't allocate stack twice in
3544 eh_return function. Correct expected value of altivec_save_offset
3545 when using save_world. Describe save of R0 to stack when using
3546 save_world. Describe stack pointer adjustment when using
3547 save_world. Remove duplicated eh_return parameter register saving.
3548 Update sp_offset variable after save_world.
3549 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3551 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3552 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3555 2007-01-25 Steve Ellcey <sje@cup.hp.com>
3557 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3559 2007-01-25 Steve Ellcey <sje@cup.hp.com>
3562 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3563 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
3565 2007-01-25 Richard Guenther <rguenther@suse.de>
3567 * doc/invoke.texi (-Wcoverage-mismatch): Document.
3568 * common.opt (-Wcoverage-mismatch): New warning option.
3569 * coverage.c (get_coverage_counts): Ignore coverage mismatch
3570 if -Wcoverage-mismatch is given.
3572 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
3574 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3575 (ipcp_driver): Change to static definition.
3576 Add dumping of the ifunctions.
3577 (constant_val_insert): Remove unused parameter. Support for SSA.
3578 (ipcp_propagate_const): Support for SSA.
3579 (ipcp_profile_bb_print): Print only analyzed nodes.
3580 (ipcp_replace_map_create): Remove support for Fortran constant
3582 * ipa-prop.c (ipa_method_modify_stmt,
3583 ipa_callsite_compute_param): Support for SSA.
3584 * ipa-prop.h (ipcp_driver): Remove declaration.
3585 (IS_VALID_TREE_MAP_INDEX): Add define.
3587 2007-01-24 Geoffrey Keating <geoffk@apple.com>
3589 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3591 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3594 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3595 constant argument to cabs and do it without checking for
3596 -funsafe-math-optimizations.
3598 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
3600 * c-common.h (RID_FIRST_CXX0X): New.
3601 (RID_LAST_CXX0X): New.
3602 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3604 * c.opt (Wc++0x-compat): New.
3605 * doc/invoke.texi (-Wc++0x-compat): Document.
3607 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3609 * builtins.c (fold_builtin_carg): New.
3610 (fold_builtin_1): Use it.
3612 2007-01-24 Jan Hubicka <jh@suse.cz>
3614 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3616 * ipa-inline.c (initial_insns, max_insns): Delete.
3617 (compute_max_insns): New function.
3618 (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3619 of insns as base for code growth.
3620 (cgraph_decide_inlining): Make initial_insns local; do not compute
3622 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3623 * doc/invoke.texi (inline-unit-growth): Update docs.
3625 2007-01-24 Jakub Jelinek <jakub@redhat.com>
3627 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3628 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3629 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3630 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
3631 for CPUs that have PTA_CX16 set.
3634 * gimplify.c (omp_check_private): New function.
3635 (gimplify_scan_omp_clauses): Use it for
3636 firstprivate/lastprivate/reduction.
3639 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3640 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3643 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3644 If lower_lastprivate_clauses emits some statements, append them
3645 to dlist rather than body_p and to body_p append an initializer.
3646 (lower_omp_for): Adjust caller.
3648 2007-01-24 Steve Ellcey <sje@cup.hp.com>
3650 * target.h (globalize_decl_name): New.
3651 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3652 * output.h (default_globalize_decl_name): New.
3653 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3655 (globalize_decl): Ditto.
3656 (default_globalize_decl_name): New.
3657 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3658 (ia64_handle_version_id_attribute): New.
3659 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3660 (ia64_asm_output_external): Use globalize_decl_name instead
3662 * doc/extend.texi (version_id): New pragma.
3663 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3665 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
3667 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3668 _uleb128_t and _Unwind_SWord with _sleb128_t.
3669 * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3670 uw_frame_state_for, uw_update_context_1): Likewise.
3671 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3672 * unwind-pe.h (read_uleb128, read_sleb128,
3673 read_encoded_value_with_base): Likewise.
3674 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3676 2007-01-24 Richard Guenther <rguenther@suse.de>
3678 * builtins.c (expand_builtin_cexpi): Get the fndecl
3679 for cexp in the correct way.
3681 2007-01-24 Jan Hubicka <jh@suse.cz>
3683 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3685 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
3687 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3688 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3689 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3690 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3691 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3692 __SIZEOF_PTRDIFF_T__.
3693 * doc/cpp.texi: Documentation for the new builtin macros added.
3695 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
3697 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
3698 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
3699 instead of operands[2] to avoid access past the end of array.
3701 2007-01-24 Richard Sandiford <richard@codesourcery.com>
3703 * reload1.c (emit_reload_insns): Pass the reload register
3704 for a non-spill output reload through forget_old_reloads_1.
3706 2007-01-23 Joseph Myers <joseph@codesourcery.com>
3708 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3709 _SOFT_DOUBLE if doubles use software floating-point.
3710 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
3711 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3712 * config/rs6000/darwin-ldouble.c: Also compile functions for
3713 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
3714 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3715 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
3716 commented-out long double override.
3717 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
3718 * config/rs6000/eabispe.h: Likewise.
3719 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
3720 long double for non-SPE.
3721 (rs6000_handle_option): Likewise.
3722 (invalid_e500_subreg): Disallow more subregs involding DImode,
3723 DFmode, TImode or TFmode.
3724 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
3726 (legitimate_lo_sum_address_p): Also check for TFmode for E500
3728 (rs6000_legitimize_address): Also handle TFmode for E500 double.
3729 (rs6000_legitimize_reload_address): Also handle TFmode for E500
3731 (rs6000_legitimate_address): Also check for TFmode for E500
3733 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
3734 (spe_build_register_parallel): Handle TFmode and TCmode.
3735 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
3737 (function_arg): Handle TFmode and TCmode for E500 double.
3738 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
3740 (print_operand): Handle TFmode and TImode for %y.
3741 (rs6000_generate_compare): Handle TFmode comparisons for E500
3743 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
3744 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
3745 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
3746 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
3747 TFmode for E500 double.
3748 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
3749 (floatsidf2): Enable for E500 double.
3750 (movtf_softfloat): Use rs6000_nonimmediate_operand.
3751 (extenddftf2): Change to extenddftf2_fprs.
3752 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
3753 depending on TARGET_E500_DOUBLE.
3754 (extendsftf2): Enable for E500 double.
3755 (trunctfdf2): Enable for E500 double.
3756 (trunctfsf2): Change to trunctfsf2_fprs.
3757 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
3758 depending on TARGET_E500_DOUBLE.
3759 (floatsitf2): Enable for E500 double.
3760 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
3761 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
3762 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
3763 (negtf2): Change to negtf2_internal.
3764 (negtf2): New expander.
3765 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
3766 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
3767 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
3768 (movdi_internal32): Use rs6000_nonimmediate_operand.
3769 (unnamed splitter): Likewise.
3770 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
3771 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
3772 (SPE64TF, DITI): New mode macros.
3773 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
3776 (frob_<mode>_di_2): New.
3777 (frob_tf_di_8_2): New.
3778 (frob_di_df): Change to frob_di_<mode>; allow more modes.
3780 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
3782 (frob_ti_<mode>_8_2): New.
3783 (frob_ti_tf_2): New.
3784 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
3785 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
3787 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
3788 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
3789 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
3790 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
3791 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
3792 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
3795 2007-01-23 Ian Lance Taylor <iant@google.com>
3797 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
3799 (OBJS-archive): Reformat, alphabetize.
3800 (OBJS): Change out_object_file to OBJS-md.
3802 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
3804 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
3805 JUMP_P and CALL_P predicates where applicable.
3806 * config/i386/i386.c: Ditto.
3807 * config/i386/i386.md: Ditto.
3808 * config/i386/mmx.md: Ditto.
3809 * config/i386/predicates.md: Ditto.
3811 2007-01-22 Andreas Schwab <schwab@suse.de>
3813 * config/m68k/m68k.h: Fix comment.
3815 2007-01-22 Jan Hubicka <jh@suse.cz>
3817 * passes.c (init_optimization_passes): Do not rerun
3818 pass_early_warn_uninitialized.
3820 2007-01-22 Richard Guenther <rguenther@suse.de>
3822 PR tree-optimization/30038
3823 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
3825 (execute_cse_sincos_1): Likewise.
3826 (execute_cse_sincos): Likewise.
3827 (gate_cse_sincos): Likewise.
3828 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
3829 the cexpi() canonicalization of sincos().
3830 * tree-pass.h (pass_cse_sincos): Declare.
3831 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
3833 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3835 PR rtl-optimization/29329
3836 * combine.c (replaced_rhs_insn): Rename to i2mod.
3837 (replaced_rhs_value): Rename to i2mod_new_rhs.
3838 (i2mod_old_rhs): New global variable.
3839 (combine_instructions): Adjust for above change. Save a copy of
3840 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
3841 note are substituted in the second instruction.
3842 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
3843 ditch the note if it pertains to the second eliminated register
3844 and this register is mentioned in i2mod_old_rhs.
3847 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3849 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3850 the insn to which the note was originally attached.
3852 2007-01-21 Jan Hubicka <jh@suse.cz>
3854 * ipa-inline.c (inlining_mode): Comment, move up.
3855 (cgraph_decide_inlining_incrementally): Do not perform inlining
3856 itself; fix handling of flattening of self recursive functions.
3857 (cgraph_find_cycles): Remove.
3858 (cgraph_flatten_node): Remove.
3859 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
3860 (try_inline): New function.
3861 (cgraph_early_inlining): Update call of
3862 cgraph_decide_inlining_incrementally. Apply inlining here.
3863 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
3865 2007-01-21 Dirk Mueller <dmueller@suse.de>
3868 * tree-vrp.c (check_array_bounds): do not warn
3869 about ADDR_EXPR's of ARRAY_REF's which are immediately
3870 used in binary expressions.
3872 2007-01-21 Ira Rosen <irar@il.ibm.com>
3874 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
3875 read_write_dep and macros for its access.
3876 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
3877 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
3878 argument, call vect_check_interleaving for every independent pair of
3879 data-refs. Mark loads that access the same memory location as a store
3881 (vect_check_dependences): Remove.
3882 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
3883 call, fix the call to vect_analyze_data_ref_dependence.
3884 (vect_analyze_data_ref_access): For statements that access the same
3885 data-ref, check that they are not stores; for loads, check that there
3886 is no store that access the same location.
3888 2007-01-20 Roger Sayle <roger@eyesopen.com>
3889 Joseph Myers <joseph@codesourcery.com>
3891 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
3892 (-fdump-rtl-stack): Likewise.
3893 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
3894 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
3895 (-mpt-fixed): Use @minus{} for minus sign.
3896 (Using Precompiled Headers): Fix under/overfull hbox.
3898 2007-01-20 Jan Hubicka <jh@suse.cz>
3900 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
3901 place within annotation.
3903 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3905 * pa.c (output_move_double): Change array size of xoperands to 4.
3907 2007-01-20 Jan Hubicka <jh@suse.cz>
3909 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
3912 2007-01-19 Ian Lance Taylor <iant@google.com>
3914 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
3915 constant to unsigned HOST_WIDE_INT before negating.
3917 2007-01-19 Ian Lance Taylor <iant@google.com>
3919 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
3921 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
3922 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3923 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
3924 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
3925 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3926 (realloc_vdef, realloc_vuse): Change second parameter to
3928 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
3930 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
3931 unsigned. Change x and lim locals to unsigned.
3932 (realloc_vdef, realloc_vuse): Change num_elem parameter to
3934 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
3935 (copy_virtual_operands): Change i and n locals to unsigned.
3937 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3940 * builtins.c (fold_builtin_1): Handle builtin fdim.
3942 2007-01-20 Jan Hubicka <jh@suse.cz>
3944 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
3945 * tree-ssa-structalias.c (compute_points_to_sets): Do call
3946 init_alias_heapvars.
3947 (init_alias_heapvars): Initialize only when not already initialized.
3948 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
3950 2007-01-19 Roger Sayle <roger@eyesopen.com>
3952 * common.opt (fsigned-zeros): New command line option.
3953 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
3954 of flag_unsafe_math_optimizations.
3955 * opts.c (set_fast_math_flags): The -ffast-math command line option
3956 implies -fno-signed-zeros.
3957 (fast_math_flags_set_p): Likewise.
3959 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
3960 the documentation of -ffast-math appropriately. Wrap long lines.
3962 2007-01-19 Steve Ellcey <sje@cup.hp.com>
3964 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
3965 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
3967 2007-01-19 Tomas Bily <tbily@suse.cz>
3969 * cgraphunit.c (cgraph_finalize_function): Updating of pid
3971 (tree_init_ic_make_global_vars): New function
3972 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
3973 (tree_gen_ic_profiler): New function
3974 (tree_gen_ic_func_profiler): New function
3975 (tree_profiling): Added calling of tree_gen_ic_func_profiler
3976 (tree_profile_hooks): Added hook for indirec/virtual calls
3977 * value-prof.c (tree_find_values_to_profile): New case for
3979 (tree_values_to_profile): Call for determining indirect/virtual
3981 (tree_indirect_call_to_profile): New function
3982 (tree_ic_transform): New function
3983 (tree_ic): New function
3984 (find_func_by_pid): New function
3985 (init_pid_map): New function
3986 (tree_value_profile_transformations): Added check for
3987 indirect/virtual call transformation
3988 * value-prof.h (enum hist_type): New counter type for
3989 indirect/virtual calls
3990 (profile_hooks): Added new hook for profiling indirect/virtual
3992 * profile.c (instrument_values): New case for indirect/virtual
3994 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
3995 (GCOV_COUNTER_V_INDIR): New counter type
3996 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
3997 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
3999 * cgraph.c: Definition of cgraph_max_pid
4000 (cgraph_create_node): Default init of pid attribute
4001 * cgraph.h: Declaration of cgraph_max_pid
4002 (struct cgraph_node): Added pid attribute
4003 * libgcov.c (__gcov_indirect_call_profiler): New function
4004 (__gcov_one_value_profiler_body): New function
4005 (__gcov_one_value_profiler): Body was moved to
4006 __gcov_one_value_profiler_body and calls it
4008 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
4010 * doc/gty.texi (Options): Document the mark_hook option to GTY.
4011 * gengtype.c (write_types_data, write_func_for_structure,
4012 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
4013 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
4014 (walk_type, write_func_for_structure): Generate the mark_hook if
4017 2007-01-19 Jan Hubicka <jh@suse.cz>
4019 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
4020 'early' argument take inlining mode argument specifying whether to
4021 inline for size/speeed or all functions; add support for flattening;
4023 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
4025 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4028 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
4029 the name of the declared identifier.
4031 2007-01-19 Dirk Mueller <dmueller@suse.de>
4033 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
4034 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
4035 duplicate evaluation.
4037 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
4039 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
4040 Macroize expander using X87MODEF12 mode macro. Extend operand 1
4041 to XFMode, use acosxf2 and truncate result to requested mode.
4042 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4043 (asin<mode>2): Similarly, with asin expanders.
4044 (*fscalexf4_i387): Rename from *fscalexf4.
4045 (expNcorexf3): New expander.
4046 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
4047 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
4048 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
4049 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
4050 patterns for SSE math.
4051 (exp10<mode>2): Similarly, with exp10 expanders.
4052 (exp2<mode>2): Similarly, with exp2 expanders.
4053 (expm1<mode>2): Similarly, with expm1 expanders.
4054 (ldexp<mode>3): Similarly, with ldexp expanders.
4055 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
4056 Use gen_truncxf<mode>2_i387_noop to truncate result.
4058 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4060 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
4061 for ColdFire targets.
4063 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
4064 Richard Sandiford <richard@codesourcery.com>
4066 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
4067 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
4068 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
4069 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
4070 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4071 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4073 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4075 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
4076 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
4077 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
4078 (*adddi_dilshr32_cf): New pattern.
4079 (adddi3, subdi3): Remove first alternatives.
4081 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4083 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
4084 implemented using move.l, do not use its cc result for floating-point
4087 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4089 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
4090 from accepting 's' constraints if flag_pic.
4092 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4094 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
4095 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
4096 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
4097 condition from TARGET_68881 to TARGET_HARD_FLOAT.
4099 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
4101 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
4102 ColdFire alternatives.
4103 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
4104 * config/m68k/m68k.md (clzsi2): Define for ColdFire
4105 architectures that support ff1 instruction.
4107 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4108 Julian Brown <julian@codesourcery.com>
4110 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
4111 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
4112 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
4115 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4117 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
4119 (output_move_const_into_data_reg, output_move_simode_const): Delete.
4120 * config/m68k/m68k.c (const_method, const_int_cost): Take a
4121 HOST_WIDE_INT instead of an rtx.
4122 (m68k_rtx_costs): Update call accordingly.
4123 (output_move_const_into_data_reg): Likewise. Fix formatting.
4124 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
4126 (output_move_simode_const): Update calls after above changes.
4127 Rework to use automatic variables and predicates like MEM_P.
4128 * config/m68k/m68k.md (pushexthisi_const): Update call to
4131 2007-01-19 Dirk Mueller <dmueller@suse.de>
4133 * tree-ssa-alias.c (perform_var_substitution): Fix typo
4136 2007-01-19 Richard Guenther <rguenther@suse.de>
4138 * builtins.c (expand_builtin_cexpi): Fall back to expanding
4139 via cexp in case sincos is not available.
4141 2007-01-19 Richard Guenther <rguenther@suse.de>
4143 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
4144 * defaults.h (TARGET_HAS_SINCOS): Default to off.
4145 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
4146 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
4147 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
4148 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
4149 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
4150 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
4152 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
4154 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
4156 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
4157 (atan2xf3): Directly generate RTL pattern.
4158 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
4159 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
4160 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
4161 disable patterns for SSE math.
4162 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
4163 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
4164 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
4165 disable patterns for SSE math.
4167 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
4169 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
4171 2007-01-18 Roger Sayle <roger@eyesopen.com>
4173 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
4174 VIEW_CONVERT_EXPR to the same type as it's operand.
4176 2007-01-18 David Edelsohn <edelsohn@gnu.org>
4178 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
4179 configured for long double 128.
4181 2007-01-18 Mike Stump <mrs@apple.com>
4183 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
4186 2007-01-18 Michael Meissner <michael.meissner@amd.com>
4188 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
4191 2007-01-18 Jan Hubicka <jh@suse.cz>
4193 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
4194 greater than NUM_VOP_FREE_BUCKETS.
4196 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
4198 * tree-ssa-structalias.c: Update comments.
4199 (ptabitmap_obstack): Removed.
4201 (oldpta_obstack): Ditto.
4202 (stats): Add a few members.
4203 (struct variable_info): Remove node, complex, address_taken, and
4204 indirect_target members. Add oldsolution member.
4205 (new_var_info): Do not initialize removed members.
4206 (constraint_expr_type): Remove INCLUDES.
4207 (constraint_graph): Add size, implicit_preds, rep,
4208 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
4209 (FIRST_REF_NODE): New macro.
4210 (LAST_REF_NODE): Ditto.
4211 (FIRST_ADDR_NODE): Ditto.
4212 (find): New function.
4214 (dump_constraint): Do not handle INCLUDES.
4215 (insert_into_complex): Do not insert duplicate constraints.
4216 (condense_varmap_nodes): Renamed and rewritten into ...
4217 (merge_node_constraints): This. Also fix bug in handling of
4218 offseted copy constraints.
4219 (clear_edges_for_node): No longer need to deal with preds at all,
4220 or removing associated preds/succs.
4221 (merge_graph_nodes): Deal with indirect_cycles.
4222 Don't deal with predecessors.
4223 (add_implicit_graph_edge): New function.
4224 (add_pred_graph_edge): Ditto.
4225 (add_graph_edge): Don't deal with predecessors.
4226 (build_constraint_graph): Removed.
4227 (build_pred_graph): New function.
4228 (build_succ_graph): Ditto.
4229 (struct scc_info): Removed in_component. Added roots, dfs, and
4230 node_mapping. Remove visited_index, unification_queue.
4231 (scc_visit): Deal with union-find we do now.
4232 Deal with cycles with REF nodes.
4233 (collapse_nodes): Renamed and rewritten to ...
4234 (unify_nodes): This.
4235 (process_unification_queue): Removed.
4236 (topo_visit): Cleanup
4237 (do_da_constraint): Use find.
4238 (do_sd_constraint): Ditto.
4239 (do_ds_constraint): Ditto.
4240 (do_complex_constraint): Ditto.
4241 (init_scc_info): Update for removed and added members.
4242 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
4243 (find_indirect_cycles): This.
4244 (equivalence_class): New variable.
4245 (label_visit): New function.
4246 (perform_variable_substitution): Rewritten.
4247 (free_var_substitution_info): New function.
4248 (find_equivalent_node): Ditto.
4249 (move_complex_constraints): Ditto.
4250 (eliminate_indirect_cycles): Ditto.
4251 (solve_graph): Only propagate changed bits.
4252 Use indirect cycle elimination.
4254 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
4255 (tree_id_eq): Renamed to ...
4256 (tree_vi_eq): This. Update for member change
4257 (insert_id_for_tree): Renamed and rewritten to ...
4258 (insert_vi_for_tree): This.
4259 (lookup_id_for_tree): Renamed and rewritten to ...
4260 (lookup_vi_for_tree): This.
4261 (get_id_for_tree): Renamed and rewritten to ...
4262 (get_vi_for_tree): Ditto.
4263 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
4264 (process_constraint): Don't handle INCLUDES.
4265 Remove special ADDRESSOF case.
4266 (find_func_aliases): Rewrite to use vi functions instead of id
4268 (create_function_info_for): Ditto.
4269 (create_variable_info_for): Ditto.
4270 (intra_create_variable_infos): Ditto.
4271 (merge_smts_into): Ditto.
4272 (find_what_p_points_to): Ditto.
4273 (init_base_vars): Ditto.
4274 (init_alias_vars): Ditto.
4275 (remove_preds_and_fake_succs): New function.
4276 (dump_sa_points_to_info): Dump new stats.
4277 (dump_solution_for_var): Use find.
4278 (set_used_smts): Fix formatting.
4279 (compute_points_to_sets): Updated for new functions.
4280 (ipa_pta_execute): Ditto.
4282 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
4283 Richard Sandiford <richard@codesourcery.com>
4285 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
4287 * calls.c (expand_call): If the return value is a PARALLEL,
4288 extract its first member.
4289 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
4290 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4291 use FUNCTION_EXTRA_EPILOGUE.
4292 (m68k_function_value): Return a PARALLEL if the return value
4293 is of a pointer type.
4294 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
4295 (FUNCTION_EXTRA_EPILOGUE): Remove.
4296 * config/m68k/m68k.md (D0_REG): New constant.
4298 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
4300 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4301 output a NOP for empty epilogues.
4303 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4305 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
4306 before function. Extend register save check to include all
4307 registers, not just integer ones.
4309 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
4311 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4312 (m68k_use_return_insn): ...this.
4313 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4314 * config/m68k/m68k.c (use_return_insn): Rename to...
4315 (m68k_use_return_insn): ...this.
4316 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4319 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
4321 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4322 nearest even, fix denormal rounding overflow.
4324 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4326 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4327 f%$smove and f%$move.
4328 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4329 (extendsfdf2_cf): Use fdmove instead of f%&move.
4330 (truncdfsf2_cf): Use fsmove instead of f%$smove.
4331 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4333 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4335 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4338 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4340 * real.h (real_format): Add a canonical_nan_lsbs_set field.
4341 (coldfire_single_format): Declare.
4342 (coldfire_double_format): Likewise.
4343 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4344 of qnan_msb_set to determine the lower bits of a canonical
4346 (encode_ieee_double): Likewise.
4347 (encode_ieee_quad): Likewise.
4348 (ieee_single_format): Initialize canonical_nan_lsbs_set.
4349 (mips_single_format): Likewise.
4350 (ieee_double_format): Likewise.
4351 (mips_double_format): Likewise.
4352 (ieee_extended_motorola_format): Likewise.
4353 (ieee_extended_intel_96_format): Likewise.
4354 (ieee_extended_intel_128_format): Likewise.
4355 (ieee_extended_intel_96_round_53_format): Likewise.
4356 (ibm_extended_format): Likewise.
4357 (mips_extended_format): Likewise.
4358 (ieee_quad_format): Likewise.
4359 (mips_quad_format): Likewise.
4360 (vax_f_format): Likewise.
4361 (vax_d_format): Likewise.
4362 (vax_g_format): Likewise.
4363 (i370_single_format): Likewise.
4364 (i370_double_format): Likewise.
4365 (decimal_single_format): Likewise.
4366 (decimal_double_format): Likewise.
4367 (decimal_quad_format): Likewise.
4368 (c4x_single_format): Likewise.
4369 (c4x_extended_format): Likewise.
4370 (real_internal_format): Likewise.
4371 (coldfire_single_format): New real_format.
4372 (coldfire_double_format): Likewise.
4373 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4374 canonical_nan_lsbs_set.
4375 (pdp11_d_format): Likewise.
4376 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4377 if TARGET_COLDFIRE_CPU.
4379 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4381 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4382 (output_call, m68k_legitimize_call_address): Declare.
4383 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4384 parenthesees. Add support for a 'W' constraint.
4385 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4386 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4387 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4388 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4390 (override_options): Initialize them. Do not set flag_no_function_cse
4391 for TARGET_ID_SHARED_LIBRARY.
4392 (m68k_output_pic_call): Delete.
4393 (m68k_legitimize_call_address): New function.
4394 (print_operand): Remove the %o prefix. Handle the %p prefix.
4395 (output_call): New function.
4396 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
4397 target address from the GOT if symbolic jumps are not allowed.
4398 * config/m68k/m68k.md (call, general_operand): Do not set
4399 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
4400 Merge separate flag_pic and !flag_pic define_insns into...
4401 (*call, *call_value): ...these new patterns. Match the address
4402 rather than the containing MEM and require it to be a call_operand.
4403 Use output_call to generate the asm template.
4404 * config/m68k/predicates.md (const_call_operand): New predicate.
4405 (call_operand): Likewise.
4407 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
4409 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4410 (STACK_GROWS_DOWNWARD): Define to 1.
4411 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4412 comments, emphasizing that these values are only defaults.
4413 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4414 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4416 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4418 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4420 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
4421 Richard Sandiford <richard@codesourcery.com>
4423 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4424 (FP_REGNO_P): New macros.
4425 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4426 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4427 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4428 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4430 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
4432 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4433 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4435 * config/m68k/t-floatlib: New file, extracting common code from...
4436 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4437 * config/m68k/t-uclinux: Here.
4438 * config/m68k/fpgnulib.c: Do not compile extendeed precision
4439 routines on ColdFire targets.
4441 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
4443 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4444 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4445 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4446 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4447 explicitly set MOTOROLA to 1.
4448 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4450 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4451 Nathan Sidwell <nathan@codesourcery.com>
4453 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4454 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4455 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4456 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4457 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4458 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4459 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4460 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4461 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4462 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4463 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4464 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4465 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4466 (DBX_REGISTER_NUMBER): Delete.
4467 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4468 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4469 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4471 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4473 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4474 * config/flat.h: New file.
4475 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4477 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4478 indirect references for -msep-data or -mid-shared-library.
4479 Do not use PC-relative code addresses either.
4480 * config/m68k/m68k.c (override_options): Restrict -fPIC error
4482 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
4483 for shared libraries and crt1.o for executables. Use crti.o and
4485 (ENDFILE_SPEC): Use crtend.o and crtn.o.
4486 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4487 Do not add -elf2flt or -shared-lib-id options here.
4488 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
4489 Pass -shared-lib-id if -mid-shared-library, taking the library
4490 identifier from -mshared-library-id if given, otherwise
4492 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4493 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4494 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4495 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4496 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4497 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4499 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4500 jump sequence for ISA A and ISA A+.
4501 (PICJUMP): Likewise.
4503 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4505 * config.gcc (m68k-*-uclinux*): Base the port on the common
4506 and m68k GNU/Linux files rather than on the generic ELF ones.
4507 * config/m68k/uclinux.h (TARGET_VERSION): Override.
4508 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4510 2007-01-18 Julian Brown <julian@codesourcery.com>
4511 Richard Sandiford <richard@codesourcery.com>
4513 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4514 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4515 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4517 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4519 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4521 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4523 * doc/install.texi: Document m68k-uclinuxoldabi.
4524 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4525 * config/m68k/uclinux-oldabi.h: New file, copied from
4526 config/m68k/uclinux.h.
4528 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
4530 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4531 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4532 (m32r_compute_frame_size): Use unsigned for regno.
4533 (m32r_reload_lr): Use gen_frame_mem.
4535 (m32r_output_function_epilogue): Don't output the function epilogue
4537 (m32r_expand_epilogue): New.
4538 (direct_return): Return false if the function has the interrupt
4540 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4541 * config/m32r/m32r.md (epilogue): New expander.
4542 (return_lr, return_rte): New insns.
4543 (return): Make it expander.
4544 (return_normal): New expander.
4546 2007-01-18 Josh Conner <jconner@apple.com>
4549 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4550 support for UNLE, UNLT, UNGE, and UNGT.
4552 2007-01-18 Jan Hubicka <jh@suse.cz>
4554 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4555 * tree-tailcall (add_virtual_phis): Likewise.
4556 (optimize_tail_call): Return TODOs.
4557 (execute_tail_calls): Return TODOs.
4558 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4559 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4561 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4562 Cleanup cfg using TODO.
4563 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4564 * passes.c (execute_function_todo): When cleanup did something, remove
4566 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4567 (make_edges): Don't cleanup_cfg.
4569 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
4571 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4572 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4573 operate on the top of stack.
4574 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4575 register handling of instructions that output to the second
4577 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4578 (move_for_stack_reg): Special-case check for dead destination
4579 stack slot for constant load of 1.0 inside UNSPEC_TAN.
4581 * config/i386/i386.md (UNSPEC_TAN): New constant.
4582 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4583 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4584 to correctly model move of constant 1.0 to top stack slot.
4585 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4586 (unnamed peephole2 pattern): Remove corresponding peephole2
4587 pattern that optimizes tan insn and loading of constant 1.0.
4588 (tanxf2): Use fptanxf4_i387.
4589 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4590 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
4591 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
4592 disable patterns for SSE math.
4593 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4594 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4596 2007-01-18 Dirk Mueller <dmueller@suse.de>
4597 Richard Guenther <rguenther@suse.de>
4600 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4601 * common.opt (Warray-bounds): Add new warning option.
4602 * c-opts.c (c_common_handle_option): Define -Warray-bounds
4604 * Makefile.in: make tree-vrp.o depend on toplev.h
4605 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4607 (check_array_refs, check_array_bounds, check_array_ref): New.
4609 2007-01-18 Jan Hubicka <jh@suse.cz>
4611 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4612 (execute_ssa_ccp): Return flags conditionally.
4613 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4615 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4617 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
4619 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4620 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4622 * Makefile.c (GTFILES): Add cfglayout.h.
4623 * gengtype.c (open_base_files): Likewise.
4624 * cfglayout.c (cfg_layout_function_footer,
4625 cfg_layout_function_header) Reindent to make gengtype happy.
4626 * cfglayout.h (cfg_layout_function_footer,
4627 cfg_layout_function_header): Add GTY(()) marker.
4629 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4631 2007-01-18 Ben Elliston <bje@au.ibm.com>
4633 * genautomata.c (write_automata): Include xstrerror output in the
4634 error message if writing the DFA description file fails.
4636 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
4638 * config/mips/mips-protos.h (mips_output_external): Make it
4640 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4641 * config/mips/mips.c (irix_output_external_libcall): Likewise.
4642 (extern_list): Likewise.
4643 (extern_head): Likewise.
4644 (TARGET_ASM_FILE_END): Likewise.
4645 (mips_file_end): Likewise.
4646 (mips_output_external): Rewritten.
4648 2007-01-18 Ben Elliston <bje@au.ibm.com>
4650 * genpreds.c (write_insn_preds_c): Only write out the function
4651 body for regclass_for_constraint if we have register constraints.
4653 2007-01-17 Tom Tromey <tromey@redhat.com>
4655 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
4656 * doc/install.texi (Testing): Use sourceware.org.
4657 (Binaries): Likewise.
4658 (Specific): Likewise.
4659 * doc/contrib.texi (Contributors): Use sourceware.org.
4661 2007-01-17 Anatoly Sokolov <aesok@post.ru>
4663 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
4664 (AVR_ENHANCED): Rename to ...
4665 (AVR_HAVE_MUL): ... new.
4666 (avr_enhanced_p): Rename to ...
4667 (avr_have_mul_p): ... new.
4668 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
4669 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
4670 * config/avr/avr.c (avr_enhanced_p): Rename to ...
4671 (avr_have_mul_p): ... new.
4672 (base_arch_s): Rename 'enhanced' to 'have_mul'.
4673 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
4674 'avr_enhanced_p' and 'enhanced'.
4675 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
4676 AVR_HAVE_MUL instead of AVR_ENHANCED.
4677 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4678 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
4679 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
4680 instead of AVR_ENHANCED.
4681 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4682 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
4683 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
4685 2007-01-17 Ian Lance Taylor <iant@google.com>
4687 * vec.h (VEC_reserve_exact): Define.
4688 (vec_gc_p_reserve_exact): Declare.
4689 (vec_gc_o_reserve_exact): Declare.
4690 (vec_heap_p_reserve_exact): Declare.
4691 (vec_heap_o_reserve_exact): Declare.
4692 (VEC_OP (T,A,reserve_exact)): New static inline function, three
4694 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
4696 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
4697 (VEC_OP (T,A,copy)) [all versions]: Likewise.
4698 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
4699 * vec.c (calculate_allocation): Add exact parameter. Change all
4701 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
4702 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
4703 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
4704 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
4705 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
4706 (vec_heap_p_reserve_exact): New function.
4707 (vec_heap_o_reserve_exact): New function.
4709 2007-01-17 Jan Hubicka <jh@suse.cz>
4711 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
4713 2007-01-17 Eric Christopher <echristo@apple.com>
4715 * config.gcc: Support core2 processor.
4717 2007-01-16 Jan Hubicka <jh@suse.cz>
4719 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
4720 the names, just unlink the chain so we don't crash on dangling pointers
4723 2007-01-16 Jan Hubicka <jh@suse.cz>
4725 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
4726 * tree-pass.h: Reorder to make IPA passes appear toegher.
4727 (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
4728 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
4729 parameters, do not call early inliner.
4730 * ipa-inline.c: Update comments. Include tree-flow.h
4731 (cgraph_decide_inlining): Do not compute inlining parameters.
4732 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
4733 be called with function context set up.
4734 (pass_ipa_inline): Remove unreachable functions before pass.
4735 (cgraph_early_inlining): Simplify assuming to be called from the
4737 (pass_early_inline): New pass.
4738 (cgraph_gate_ipa_early_inlining): New gate.
4739 (pass_ipa_early_inline): Turn into simple wrapper.
4740 (compute_inline_parameters): New function.
4741 (gate_inline_passes): New gate.
4742 (pass_inline_parameters): New pass.
4743 (apply_inline): Move here from tree-optimize.c
4744 (pass_apply_inline): New pass.
4745 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
4747 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
4749 (tree_function_versioning): Do not allocate dummy struct function.
4750 * tree-inline.h (optimize_inline_calls): Update prototype.
4751 * tree-optimize.c (execute_fixup_cfg): Export.
4752 (pass_fixup_cfg): Remove
4753 (tree_rest_of_compilation): Do not apply inlines.
4754 * tree-flow.h (execute_fixup_cfg): Declare.
4755 * Makefile.in (gt-passes.c): New.
4756 * passes.c: Include gt-passes.h
4757 (init_optimization_passes): New passes.
4758 (nnodes, order): New static vars.
4759 (do_per_function_toporder): New function.
4760 (execute_one_pass): Dump current pass here.
4761 (execute_ipa_pass_list): Don't dump current pass here.
4763 2007-01-16 Janis Johnson <janis187@us.ibm.com>
4765 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
4766 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
4768 2007-01-16 David Edelsohn <edelsohn@gnu.org>
4770 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
4771 (strong_alias): Define.
4772 (__gcc_qmul): Provide non-FMA for soft-float.
4778 (__gcc_qunord): New.
4788 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
4789 soft-float functions.
4790 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
4791 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
4792 about long double soft float.
4794 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
4795 Tehila Meyzels <tehila@il.ibm.com>
4797 * tree-vectorizer.h (is_pattern_stmt_p): New.
4798 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
4799 formatting (tabs instead of spaces). Cleanup and clarify setting
4800 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
4801 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
4802 (vectorizable_type_demotion): Check that types are integral.
4803 (vectorizable_type_promotion): Likewise.
4804 (vectorizable_store): Fix typo. Eliminate new-line at end of
4807 2007-01-16 Jan Hubicka <jh@suse.cz>
4809 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
4812 2007-01-15 Eric Christopher <echristo@apple.com>
4814 * ifcvt.c: Include vec.h, vecprim.h.
4815 (check_cond_move_block): New argument regs.
4816 Reorganize. Add registers used to regs.
4817 (cond_move_process_if_block): Use regs set above as
4820 2007-01-15 Eric Christopher <echristo@apple.com>
4822 * config/darwin.h: Update copyright.
4823 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
4824 (LINK_COMMAND_SPEC): Add -u.
4825 (LINK_SPEC): Fix umbrella for above.
4827 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
4829 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
4832 2007-01-15 Tom Tromey <tromey@redhat.com>
4834 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
4835 * doc/install.texi (Testing): Don't mention jacks.
4836 (Configuration): Document --enable-java-maintainer-mode. Move
4837 --with-java-home to libgcj-specific section. Document
4839 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
4841 2007-01-15 Jan Hubicka <jh@suse.cz>
4843 * tree-ssa-dce.c (DCE_TODOs): New.
4844 (propagate_necessity): Return if something changed.
4845 (eliminate_unnecessary_stmts): Likewise.
4846 (perform_tree_ssa_dce): Return TODO flags when needed.
4847 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
4849 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
4851 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
4852 (fyl2x_extend<mode>xf3_i387): New insn pattern.
4853 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
4854 patterns using X87MODEF12 mode macro. Extend operand 1
4855 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4856 (log10<mode>2): Ditto.
4857 (log2<mode>2): Ditto.
4858 (log1p<mode>2): Ditto.
4859 (logb<mode>2): Ditto.
4860 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
4861 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
4862 (*fxtractxf3_i387): Rename from *fxtractxf3.
4863 (fxtract_extend<mode>xf3_i387): New insn pattern.
4864 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
4865 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
4866 and gen_fyl2xxf3_i387().
4868 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
4870 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
4871 * cfgloopmanip.c (fix_loop_placement): Made static. Use
4872 get_loop_exit_edges. Changed return type to bool.
4873 * cfgloop.h (fix_loop_placement): Declaration removed.
4875 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
4877 * param.h (MIN_VECT_LOOP_BOUND): New.
4878 * params.def (MIN_VECT_LOOP_BOUND): New.
4879 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
4880 argument - minimum threshold for number of iterations.
4881 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
4882 argument to declaration.
4883 * tree-vect-analyze.c (vect_analyze_operations): Check value of
4884 MIN_VECT_LOOP_BOUND.
4885 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
4886 slpeel_tree_peel_loop_to_edge with additional argument.
4887 (vect_do_peeling_for_alignment): Likewise.
4888 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
4890 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
4893 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
4896 2007-01-14 Jan Hubicka <jh@suse.cz>
4898 * tree-dfa.c (remove_referenced_var): New function.
4899 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
4900 prune referenced vars list too.
4901 * tree-flow.h (remove_referenced_var): Declare.
4903 2007-01-14 Jan Hubicka <jh@suse.cz>
4905 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
4907 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
4908 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
4909 * except.h (verify_eh_throw_table_statements): Kill prototype.
4910 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
4911 into call exrepssions.
4912 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
4914 * tree-cfg.c: Include pointer-set.h.
4915 (verify_node_sharing): Work on pointer set.
4916 (verify_eh_throw_stmt_node): New.
4917 (verify_stmts): Use pointers sets, verify throw_stmt.
4919 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
4921 * ipa-reference.c (analyze_function): Consider also addresses taken
4924 2007-01-12 Roger Sayle <roger@eyesopen.com>
4926 * c-typeck.c (null_pointer_constant_p): Replace use of
4927 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4928 (build_c_cast): Likewise.
4930 2007-01-12 Roger Sayle <roger@eyesopen.com>
4932 * tree.h (force_fit_type_double): Remove unused final argument.
4933 * c-common.c (constant_expression_warning): Replace use of
4934 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4935 (convert_and_check): Likewise.
4936 (shorten_compare): Update call to force_fit_type_double.
4937 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
4938 * convert.c (convert_to_pointer): Update call to
4939 force_fit_type_double.
4940 * fold-const.c (force_fit_type_double): Remove overflowed_const
4942 (int_const_binop, fold_convert_const_int_from_int,
4943 fold_convert_const_int_from_real, fold_div_compare,
4944 fold_sign_changed_comparison, fold_unary, fold_negate_const,
4945 fold_abs_const, fold_not_const): Remove the final argument from
4946 calls to force_fit_type_double.
4948 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
4950 * configure.ac: Set insn to "nop" for spu-*-* also.
4951 * configure: Regenerate.
4953 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
4955 * builtins.def : Add BUILT_IN_FREE.
4957 2007-01-12 Jan Hubicka <jh@suse.cz>
4959 PR tree-optimization/30443
4960 * tree-inline.c (tree_function_versioning): Do not optimize when
4961 cloning for inlining.
4963 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
4965 * doc/loop.texi: Document recording of loop exits.
4966 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
4967 (update_single_exits_after_duplication,
4968 update_single_exit_for_duplicated_loop,
4969 update_single_exit_for_duplicated_loops): Removed.
4970 (duplicate_loop_to_header_edge): Do not call
4971 update_single_exits_after_duplication and
4972 update_single_exit_for_duplicated_loops.
4973 (loop_version): Do not update single_exit information.
4974 (fix_loop_structure): Use record_loop_exits instead of
4975 mark_single_exit_loops.
4976 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
4977 the lists of loop exits.
4978 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
4979 split_edge, merge_blocks): Update the lists of loop exits.
4980 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
4981 loop_optimizer_init.
4982 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
4983 of mark_single_exit_loops.
4984 (loop_optimizer_finalize): Call release_recorded_exits.
4985 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
4986 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
4987 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
4988 update single exit information.
4989 * lambda-code.c (perfect_nestify): Ditto.
4990 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
4991 (mark_single_exit_loops): Removed.
4992 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
4993 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
4994 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
4996 (get_loop_exit_edges, single_exit): Use recorded exit lists.
4997 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
4998 (verify_loop_structure): Verify consistency of the exit lists.
4999 (flow_loops_find): Use alloc_loop. Initialize exits hash.
5000 (set_single_exit): Removed.
5001 * cfgloop.h (struct loop_exit): New function.
5002 (struct loop): single_exit_ field replaced by exits field.
5003 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
5004 (struct loops): Added exits hash.
5005 (mark_single_exit_loops, set_single_exit): Declaration removed.
5006 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
5008 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5010 * doc/invoke.texi: Avoid use of @headitem.
5012 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5014 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
5016 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5018 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
5021 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
5022 Richard Sandiford <richard@codesourcery.com>
5024 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
5025 * config/m68k/m68k.opt: Resort options.
5026 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
5028 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
5029 Richard Sandiford <richard@codesourcery.com>
5031 * doc/invoke.texi: Document the macros that are defined by
5032 m68k's -mtune and -mhard-float options.
5033 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
5034 (m68k_cpp_cpu_family): Likewise.
5035 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
5036 of __ucfv*__ macros. Define __mcffpu__ if generating code for
5037 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
5038 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
5039 (m68k_cpp_cpu_family): Likewise.
5041 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5043 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
5044 macros besides mc68000 as tuning macros. Use a switch statement
5045 to set them and mcpu32.
5047 2007-01-12 Julian Brown <julian@codesourcery.com>
5049 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
5050 (TARGET_68040_ONLY): Rename to...
5051 (TARGET_68040): ...this.
5052 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
5053 * config/m68k/m68k.md: Likewise.
5055 2007-01-12 Julian Brown <julian@codesourcery.com>
5056 Nathan Sidwell <nathan@codesourcery.com>
5057 Richard Sandiford <richard@codesourcery.com>
5059 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
5060 the -mcpu= argument associated with the --with-cpu setting.
5061 Define M68K_DEFAULT_TUNE to the default -mtune= option,
5062 if different from the one implied by the -mcpu setting.
5063 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
5064 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
5065 * doc/invoke.texi: Mention ColdFire in the introduction to the
5066 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
5067 -mno-div and -mhard-float options. Make -m68881 a synonym for
5068 -mhard-float. Document the previously-undocumented -m5206e,
5069 -m528x, -m5307 and -m5407 options. Tweak the existing option
5070 documentation for consistency.
5071 * doc/install.texi: Mention new --with-cpu arguments.
5072 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
5073 default CPU if neither -mcpu nor -march are specified.
5074 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
5075 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
5076 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
5077 using m68k_tune to decide between families that implement the
5078 same ISA. Use m68k_tune to set __mcfv4e__.
5079 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
5080 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
5081 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
5082 (FL_ISA_C, FL_ISA_MMU): New macros.
5083 (MASK_COLDFIRE): Delete.
5084 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
5085 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
5086 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
5087 (TARGET_HARD_FLOAT): Do not define here.
5088 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
5089 (TUNE_68000): New macro.
5090 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
5091 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
5092 (TUNE_CFV2): Redefine in terms of m68k_tune.
5093 (uarch_type, target_device, fpu_type): New enums.
5094 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
5095 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
5096 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
5097 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
5098 (FL_FOR_isa_c): New macros.
5099 (m68k_isa): New enum.
5100 (m68k_target_selection): New structure.
5101 (all_devices, all_isas, all_microarchs): New tables.
5102 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
5103 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
5104 (MASK_ALL_CPU_BITS): Delete.
5105 (m68k_find_selection): New function.
5106 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
5107 Map the legacy target options to a combination of the new ones.
5108 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
5109 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
5110 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
5112 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
5113 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
5115 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
5116 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
5117 * config/m68k/m68k-devices.def: New file.
5119 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5120 Nathan Sidwell <nathan@codesourcery.com>
5122 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
5123 (SUBTARGET_EXTRA_SPECS): New macros.
5124 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
5125 use %(asm_cpu_spec) instead.
5126 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
5127 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
5128 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
5129 (EXTRA_SPECS): Rename to...
5130 (SUBTARGET_EXTRA_SPECS): ...this.
5132 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
5133 Richard Sandiford <richard@codesourcery.com>
5134 Julian Brown <julian@codesourcery.com>
5136 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5137 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
5138 to the configuration's default CPU.
5139 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
5140 Remove default masks.
5141 (m680[012]0-*-*): Set the default with_cpu to the first part of
5143 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
5144 (m68k*-*-linux): Extend the --with-cpu handling to...
5145 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
5146 and m68010. Don't set target_cpu_default2.
5147 * doc/install.texi: Document --with-cpu for m68k.
5148 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
5149 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
5150 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
5151 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
5152 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
5153 (ASM_SPEC): Remove use of %(asm_cpu_default).
5154 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
5155 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
5156 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
5157 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
5158 __HAVE_FPU__ if TARGET_HARD_FLOAT.
5159 (TARGET_DEFAULT): Delete.
5160 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
5161 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
5162 (CPP_CPU_SPEC): Delete.
5163 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
5164 the appropriate string.
5165 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
5166 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
5167 (ASM_SPEC): Don't use %(asm_default_spec).
5168 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5169 TARGET_DEFAULT and add MASK_68881.
5170 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
5172 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5174 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
5175 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
5176 MASK_68010 alongside MASK_68020.
5177 * doc/invoke.texi: Document -m68010.
5178 * config/m68k/m68k.opt (m68010): New.
5179 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
5181 (TUNE_68010): New macro.
5182 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
5183 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
5184 (M68K_CPU_m68332): Add MASK_68010.
5185 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
5186 fallback definition.
5187 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
5189 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
5190 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
5191 to all entries that use MASK_68020.
5192 (output_move_simode_const, output_move_himode, output_move_qimode)
5193 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
5194 instead of TARGET_68020 to select clr behavior. Remove comment
5195 about there being no TARGET_68010.
5196 * config/m68k/m68k.md: Likewise throughout.
5198 2007-01-12 Julian Brown <julian@codesourcery.com>
5200 * config/m68k/m68k.h (TARGET_ISAB): New macro.
5201 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
5202 * config/m68k/m68k.md: Likewise.
5204 2007-01-12 Julian Brown <julian@codesourcery.com>
5206 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
5207 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
5209 2007-01-12 Julian Brown <julian@codesourcery.com>
5211 * config/m68k/m68k.h (TUNE_68040_60): New macro.
5212 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
5213 * config/m68k/m68k.md: Likewise.
5215 2007-01-12 Julian Brown <julian@codesourcery.com>
5216 Richard Sandiford <richard@codesourcery.com>
5218 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
5219 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
5220 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
5222 (TARGET_CPU32): Rename to...
5223 (TUNE_CPU32): ...this.
5224 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
5225 (TUNE_CFV2): New macros.
5226 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
5227 remove conditions that are implied by TARGET_68020.
5228 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
5229 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
5230 (m68k_output_function_epilogue): Likewise.
5231 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
5232 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
5233 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
5234 non-68000 timings. Refactor multiplication and division costs.
5235 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
5236 TUNE_CPU32 instead of TARGET_CPU32.
5237 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
5238 and TUNE_68060 instead of TARGET_68060.
5239 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
5240 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
5242 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
5243 && !TARGET_COLDFIRE" to choose between moveq and clr.
5244 Likewise in the unnamed movsf pattern.
5245 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
5246 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
5249 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5251 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
5252 of tabbing before backslashes.
5254 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5256 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
5257 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
5258 (ASM_OUTPUT_INTERNAL_LABEL): Define.
5260 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5262 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
5263 find_interesting_uses_cond.
5264 (find_interesting_uses_cond): Use extract_cond_operands.
5265 (rewrite_use_compare): Use extract_cond_operands and
5266 force_gimple_operand_bsi. Do not call update_stmt.
5267 (determine_use_iv_cost_condition): Use extract_cond_operands.
5268 Return cheaper of using original bound and changing the exit bound.
5270 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5272 PR tree-optimization/29516
5273 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
5274 most_expensive_mult_to_index, addr_to_parts,
5275 create_mem_ref, maybe_fold_tmr): Make the type of
5276 fields of TARGET_MEM_REF sizetype.
5277 (move_fixed_address_to_symbol, move_pointer_to_base):
5279 * tree.def (TARGET_MEM_REF): Add comment on types of
5282 2007-01-11 Joseph Myers <joseph@codesourcery.com>
5284 * c-common.c (vector_types_convertible_p): Treat opaque types as
5285 always convertible if they have the same size, but not otherwise.
5287 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
5289 * ifcvt.c (struct noce_if_info): Add comments to the fields.
5290 Remove the b_unconditional field.
5291 (noce_try_sign_mask): Do not look at b_unconditional.
5292 (noce_process_if_block): Do not use merge_if_blocks. Update
5293 the CFG here. Do not set b_unconditional.
5294 (cond_move_process_if_block): Likewise.
5295 (find_cond_trap): Likewise.
5296 (check_cond_move_block): Require simple jump insns at the end
5299 2007-01-11 Jan Hubicka <jh@suse.cz>
5301 PR tree-optimization/1046
5302 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
5303 when alias info is not ready.
5304 (pass_tail_recursion): Do not require aliasing.
5305 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
5306 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
5307 * tree-ssa-copy.c (pass_copy_prop): Likewise.
5308 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5309 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
5310 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
5311 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
5313 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
5314 When aliasing is not build, mark statement as volatile.
5316 2007-01-11 Tom Tromey <tromey@redhat.com>
5318 PR preprocessor/15185, PR preprocessor/20989:
5319 * doc/cppopts.texi <-MT>: Update description of algorithm for
5320 computing default target.
5321 <-M, -MD>: Reword "basename" text.
5323 2007-01-11 Roger Sayle <roger@eyesopen.com>
5325 * builtins.c (expand_builtin_pow, expand_builtin_powi,
5326 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
5327 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5328 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
5329 fold_builtin_bswap, real_constp, fold_builtin_pow,
5330 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
5331 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
5332 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5333 * convert.c (convert_to_pointer): Likewise.
5334 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
5335 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
5336 const_binop, fold_convert_const_int_from_int,
5337 fold_convert_const_int_from_real,
5338 fold_convert_const_real_from_real, sign_bit_p,
5339 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5340 fold_sign_changed_comparison, fold_unary, fold_comparison,
5341 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5342 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5343 * print-tree.c (print_node_brief, print_node): Likewise.
5344 * stor-layout.c (place_field, layout_type): Likewise.
5345 * tree-chrec.c (keep_cast): Likewise.
5346 * tree.c (build_vector, build_real, build_real_from_int_cst,
5347 build_complex): Likewise.
5349 2007-01-11 Roger Sayle <roger@eyesopen.com>
5351 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
5352 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5354 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
5356 * configure.ac (strict1_warn): Rename to strict_warn.
5357 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5358 cc_set_by_configure, quoted_cc_set_by_configure,
5359 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5360 all_boot_languages, all_stagestuff): Remove.
5361 (target_list): Remove bootstrap targets.
5362 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5363 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5364 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5365 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5366 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5367 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5368 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5369 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5370 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5371 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5372 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5373 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5374 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5375 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5376 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5377 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5378 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5379 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5380 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5381 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5382 (mostlyclean): Adjust.
5383 (clean, distclean): Don't mention bootstrap stuff.
5384 * configure: Regenerate.
5385 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5386 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5387 treelang/config-lang.in (stagestuff): Remove.
5388 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5389 stageprofile, stagefeedback, stagestuff): Remove mention.
5391 2007-01-11 Nick Clifton <nickc@redhat.com>
5393 * config/mcore/predicates.md (mcore_general_movesrc_operand):
5395 (mcore_general_movdst_operand): Do not accept CONST_INTs.
5396 (mcore_arith_K_S_operand): Run the test for the S constraint not
5397 the test for the M constraint.
5398 (mcore_addsub_operand): Do not accept integer values that are
5399 larger than 32 bits.
5400 * config/mcore/mcore.md: Remove unused constraints from split.
5401 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5403 (allocate_stack): Likewise.
5404 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5405 operands to 32 bits.
5406 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5408 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5409 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5410 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5411 mcore_output_bclri, mcore_output_andn, output_inline_const,
5412 mcore_output_move, mcore_output_movedouble): Likewise.
5413 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5414 (output_inline_const): Likewise.
5415 (output_inline_const): Fix format strings used in sprintf
5417 * config/mcore/mcore-protos.h: Update prototypes for changed
5418 functions in mcore.c.
5419 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5420 HOST_WIDE_INT and not int.
5421 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5422 CONST_OK_FOR_N): Likewise.
5423 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5424 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5427 2007-01-10 Jan Hubicka <jh@suse.cz>
5429 * tree-vrp.c (remove_range_assertions): Release defs.
5430 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5431 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5433 2007-01-10 Paul Brook <paul@codesourcery.com>
5435 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5436 * config/arm/arm.md (mulsi3subsi): New insn.
5438 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
5440 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5441 (tree_transform_and_unroll_loop): New.
5442 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5445 2007-01-10 Robert Kennedy <jimbob@google.com>
5447 * fold-const.c (fold_comparison): Fold comparisons like (x *
5448 1000 < 0) to (x < 0).
5450 2007-01-10 Ian Lance Taylor <iant@google.com>
5452 * tree-pretty-print.c (dump_generic_node): Print parentheses when
5453 operands have the same priority.
5455 2007-01-10 Tom Tromey <tromey@redhat.com>
5457 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5458 (fold_binary): Likewise.
5459 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5460 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5461 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5462 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5463 * langhooks.h (struct lang_hooks): Removed field
5464 'can_use_bit_fields_p'.
5466 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
5468 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5470 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
5472 * function.c (get_last_funcdef_no): New function.
5473 * function.h (get_last_funcdef_no): Declare.
5474 * tree-inline.c (initialize_cfun): Add initialization.
5475 (tree_function_versioning): Cleanup.
5477 2007-01-10 Jan Hubicka <jh@suse.cz>
5479 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5482 2007-01-10 Sa Liu <saliu@de.ibm.com>
5483 Ben Elliston <bje@au.ibm.com>
5485 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5486 for SAVE_NONLOCAL and Pmode for any other save level.
5487 * spu-protos.h (spu_restore_stack_block): Declare.
5488 * spu.md (save_stack_block): Remove.
5489 (restore_stack_block): Call spu_restore_stack_block.
5490 * spu.c (spu_restore_stack_block): New function.
5491 (spu_expand_epilogue): Remove old comment.
5493 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
5495 PR tree-optimization/30322
5496 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5497 (cand_value_at): Return the value as aff_tree.
5498 (may_eliminate_iv): Convert the bound from aff_tree to tree.
5499 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5500 aff_combination_mult): New functions.
5501 (aff_combination_add): Use aff_combination_add_cst.
5502 (aff_combination_convert): Allow conversions to a wider type.
5503 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5504 * tree-affine.h (aff_combination_mult): Declare.
5506 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
5508 * doc/tm.texi: Update documentation to reflect reality of exec
5509 and start file search behaviours. Update copyright year.
5510 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5511 header file directories.
5513 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
5515 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5516 (*cosxf2): Rename to cosxf2_i387.
5517 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
5518 using X87MODEF12 mode macro. Rename patterns to
5519 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
5521 (*cosdf2, *cossf2): Ditto.
5522 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
5523 to match extended input operands.
5524 (sincos<mode>3): New expander.
5525 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5526 insn patterns and corresponding splitters.
5528 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
5530 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5531 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5533 2007-01-09 Nicolas Pitre <nico@cam.org>
5536 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5538 2007-01-08 Geoffrey Keating <geoffk@apple.com>
5540 * target.h (struct gcc_target): New field library_rtti_comdat.
5541 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5542 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5543 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5544 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5546 2007-01-08 Geoffrey Keating <geoffk@apple.com>
5548 * doc/invoke.texi (Optimize Options): Correct description of -O0.
5550 2007-01-08 Richard Guenther <rguenther@suse.de>
5552 * tree.h (force_fit_type_double): Export.
5553 (force_fit_type): Remove.
5554 * fold-const.c (force_fit_type_double): New function.
5555 (force_fit_type): Remove.
5556 (int_const_binop): Use it.
5557 (fold_convert_const_int_from_int): Likewise.
5558 (fold_convert_const_int_from_real): Likewise.
5559 (fold_div_compare): Likewise.
5560 (fold_sign_changed_comparison): Likewise.
5561 (fold_unary): Likewise.
5562 (fold_negate_const): Likewise.
5563 (fold_abs_const): Likewise.
5564 (fold_not_const): Likewise.
5565 * c-common.c (shorten_compare): Use force_fit_type_double.
5566 * convert.c (convert_to_pointer): Likewise.
5568 2007-01-08 Richard Guenther <rguenther@suse.de>
5570 * tree.h (build_int_cst_wide_type): Export.
5571 * tree.c (build_int_cst_wide_type): New function.
5572 (build_int_cst_wide): Fix comment.
5573 * builtins.c (fold_builtin_object_size): Use build_int_cst
5574 to build -1 or 0 of the correct type. Use fit_double_type
5575 to check for overflow.
5576 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5578 (decode_field_reference): Likewise.
5579 (all_ones_mask_p): Likewise.
5580 (native_interpret_int): Use build_int_cst_wide_type.
5581 (fold_binary): Use build_int_cst_type to build an all-ones
5583 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5585 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
5587 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5589 2007-01-09 Ben Elliston <bje@au.ibm.com>
5591 * genautomata.c (STATS_OPTION): New option.
5592 (stats_flag): New flag.
5593 (gen_automata_option): Handle it.
5594 (initiate_automaton_gen): Ditto.
5595 (write_automata): Output statistics only if stats_flag is
5596 set. Likewise, output time statistics only if time_flag is set.
5597 * doc/md.texi (Processor pipeline description): Document new flag.
5599 2007-01-08 Richard Guenther <rguenther@suse.de>
5601 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5602 * tree.c (build_int_cst_type): Likewise.
5603 (size_in_bytes): Don't call force_fit_type on the result.
5604 (int_fits_type_p): Use fit_double_type.
5605 * fold-const.c (fit_double_type): New function.
5606 (force_fit_type): Use it.
5607 * tree.h (fit_double_type): Export.
5609 2007-01-08 Jan Hubicka <jh@suse.cz>
5611 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5612 * ipa.c (function_and_variable_visibility): Fix return type.
5614 2007-01-08 Richard Guenther <rguenther@suse.de>
5616 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5617 of offset to build the index.
5618 * tree-pretty-print.c (dump_generic_node): Don't build negated
5619 const just for printing.
5620 * c-pretty-print.c (pp_c_integer_constant): Likewise.
5621 * builtins.c (fold_builtin_int_roundingfn): Check if result
5622 fits the type by using force_fit_type and comparing the result.
5623 * predict.c (predict_loops): Use compare_tree_int for comparison.
5624 * tree.c (build_int_cst): Fall back to integer_type_node for
5626 (build_int_cst_wide): Assert type is non-null.
5628 2007-01-08 Roberto Costa <roberto.costa@st.com>
5630 * tree-vrp.c (extract_range_from_cond_expr): New.
5631 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5632 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5634 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5635 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5636 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5637 used as expressions.
5638 * tree-object-size.c (cond_expr_object_size): New.
5639 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5641 2007-01-08 Jan Hubicka <jh@suse.cz>
5643 * tree-ssa-forwprop.c (forward_propagate_into_cond,
5644 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5647 2007-01-08 Richard Guenther <rguenther@suse.de>
5649 PR tree-optimization/23603
5650 * tree-vrp.c (set_value_range_to_truthvalue): New function.
5651 (extract_range_from_binary): Fall back to truthvalue instead of
5652 varying for TRUTH_*_EXPR.
5653 (extract_range_from_comparison): Fall back to truthvalue instead of
5655 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
5656 if all visited PHI values were constant.
5658 2007-01-08 Jan Hubicka <jh@suse.cz>
5660 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
5661 (cgraph_analyze_function): break out from ...
5662 (cgraph_finalize_compilation_unit): ... here.
5663 (cgraph_expand_function): Remove forgoten commented out line.
5664 (cgraph_optimize): Analyze functions.
5666 2007-01-08 Jan Hubicka <jh@suse.cz>
5668 * tree-pas.h (TODO_remove_function): New flag.
5669 (TODO_update*): Renumber.
5670 (pass_ipa_increase_alignment,
5671 pass_ipa_function_and_variable_visibility): New passes.
5672 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
5673 (cgraph_function_and_variable_visibility): Move to ipa.c
5674 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
5675 cgraph_increase_alignment.
5676 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
5677 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
5678 calling tree-inline.
5679 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
5680 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
5681 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
5682 (gate_increase_alignment): New function.
5683 (pass_ipa_increase_alignment): New pass.
5684 * ipa.c: Inline tree-pass.h and timevar.h
5685 (function_and_variable_visibility): Move here from cgraphunit.c
5686 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
5687 * passes.c (init_optimization_passes): Add the two new passes.
5688 (execute_todo): Handle cgraph_remove_functions.
5690 2007-01-08 Nick Clifton <nickc@redhat.com>
5692 * config/frv/predicates.md (reg_or_0_operand): Accept
5695 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
5697 * config/bfin/rtems.h, config/bfin/t-rtems: New.
5698 * config.gcc: Add bfin*-rtems*.
5700 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
5702 * c.opt: Add -flax-vector-conversions.
5703 * c-typeck.c (convert_for_assignment): Pass flag to
5704 vector_types_convertible_p to allow emission of note.
5705 (digest_init): Likewise.
5706 * c-opts.c: Handle -flax-vector-conversions.
5707 * c-common.c (flag_lax_vector_conversions): New.
5708 (vector_types_convertible_p): Unless -flax-vector conversions
5709 has been passed, disallow conversions between vectors with
5710 differing numbers of subparts and/or element types. If such
5711 a conversion is disallowed, possibly emit a note on the first
5712 occasion only to inform the user of -flax-vector-conversions.
5713 The new last argument specifies this.
5714 * c-common.h (flag_lax_vector_conversions): New.
5715 (vector_types_convertible_p): Add extra argument.
5716 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
5717 char_type_node for V*QI type vectors.
5718 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
5719 Update to satisfy new typechecking rules.
5720 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
5722 * doc/invoke.texi (C Dialect Options): Document
5723 -flax-vector-conversions.
5725 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
5727 PR tree-optimization/29877
5728 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
5729 a register variable on the RHS to not be replaceable.
5731 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
5732 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
5733 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
5734 const_simm15, const_pow2, const_npow2): Added.
5735 * config/score/misc.md (insv, extv, extzv, movmemsi,
5736 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
5737 * config/score/score.c (score_address_cost, score_select_cc_mode):
5739 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
5740 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
5741 Update score_print_operand.
5742 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
5743 Adjust register allocate order and update some macro define.
5744 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
5745 mdx_block_move_straight, mdx_block_move_loop_head,
5746 mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
5747 mdx_block_move): Added.
5748 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
5749 mdp_limm): Updated and fix some bug and typo.
5750 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
5751 (movsf, movdf, doloop_end): Added.
5753 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
5755 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
5756 config/arm/thumb2.md: Fix comment typos.
5757 * doc/extend.texi: Fix a typo.
5759 2007-01-07 Eric Christopher <echristo@apple.com>
5761 * configure.ac: Check for __stack_chk_fail for darwin.
5762 * configure: Regenerate.
5764 2007-01-07 Richard Guenther <rguenther@suse.de>
5766 * tree-vrp.c (extract_range_from_assert): CSE calls to
5767 compare_values where possible.
5768 (extract_range_from_unary_expr): Likewise.
5770 2007-01-07 Anatoly Sokolov <aesok@post.ru>
5772 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
5773 * config/avr/avr.c (call_insn_operand): Delete function.
5774 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
5775 instead of register number. Use predicates.
5776 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
5777 call_insn_operand): Add.
5779 2007-01-06 Jan Hubicka <jh@suse.cz>
5781 * tree-pass.h (pass_build_cgraph_edges): Declare.
5782 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
5783 (visited_nodes): Remove.
5784 (cgraph_create_edges): Move to cgraphbuild.c; rename to
5785 build_cgrpah_edges; make visited_nodes local.
5786 (cgraph_process_new_functions): DO not call initialize_inline_failed.
5787 (record_references_in_initializer): Move to cgraphbuild.c
5788 (initialize_inline_failed, rebuild_cgraph_edges,
5789 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
5790 (verify_cgraph_node): Make visited_nodes local.
5791 (cgraph_analyze_function): Do not call cgraph_create_edges and
5792 initialize_inline_failed.
5793 (cgraph_expand_function): Do not call cgraph_lower_function;
5794 assert that function is already lowered.
5795 * Makefile.in (cgraphbuild.o): New.
5796 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
5797 at the end of lowering passes.
5799 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
5801 * ifcvt.c (cond_move_convert_if_block): New function, code
5802 factored out from...
5803 (cond_move_process_if_block): ...here. Call the new function
5804 on the THEN and ELSE blocks.
5805 (merge_if_block): Do not copy global_live_at_end, merge_blocks
5806 already takes care of this.
5808 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5811 * tree.h (TREE_OVERFLOW_P): New.
5812 * c-typeck.c (parser_build_unary_op): Warn only if result
5813 overflowed and operands did not.
5814 (parser_build_binary_op): Likewise.
5815 (convert_for_assignment): Remove redundant overflow_warning.
5816 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
5818 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5820 * c-typeck.c (store_init_value): Split over two lines to follow
5821 the GNU coding style.
5823 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
5825 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
5826 __GXX_EXPERIMENTAL_CXX0X__.
5827 * doc/cpp.texi: Same.
5829 2007-01-05 Richard Guenther <rguenther@suse.de>
5832 * tree.c (get_narrower): Do not construct COMPONENT_REFs
5833 with mismatched types. Instead explicitly build a
5834 conversion NOP_EXPR.
5836 2007-01-05 Ian Lance Taylor <iant@google.com>
5838 * c-common.c (decl_with_nonnull_addr_p): New function.
5839 (c_common_truthvalue_conversion): Call it.
5840 * c-typeck.c (build_binary_op): Likewise.
5841 * c-common.h (decl_with_nonnull_addr_p): Declare.
5843 2007-01-05 Jakub Jelinek <jakub@redhat.com>
5846 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
5849 2007-01-05 Joel Brobecker <brobecker@adacore.com>
5851 * doc/install.texi (Final install): Document the fact that
5852 the GNAT runtime should not be stripped.
5854 2007-01-04 Jan Hubicka <jh@suse.cz>
5856 * tree-inline.c (fold_marked_statements): Update operand caches
5857 and EH after folding
5859 2007-01-04 Ian Lance Taylor <iant@google.com>
5861 * c-common.c (check_function_nonnull): Whitespace fix.
5863 2007-01-04 Jan Hubicka <jh@suse.cz>
5865 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
5866 comitted older version of patch.
5867 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
5868 function, celanup cfg and collect garbage.
5870 2007-01-04 Mike Stump <mrs@apple.com>
5872 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
5875 2007-01-04 Eric Christopher <echristo@apple.com>
5877 * libgcc2.c (__bswapsi2): Use SItype.
5878 (__bswapdi2): Use DItype.
5879 * libgcc2.h: Update for above.
5881 2007-01-04 Paul Brook <paul@codesourcery.com>
5883 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
5884 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
5885 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
5886 umulsidi3, umulsidi3adddi, smulsi3_highpart,
5887 umulsi3_highpart): Make conditional on !arm_arch6.
5888 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
5889 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
5890 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
5891 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
5892 umulsi3_highpart_v6): New insns.
5894 2007-01-04 Roger Sayle <roger@eyesopen.com>
5896 * fold-const.c (fold_convert): When casting an expression to void,
5897 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
5898 have a type. Instead of attempting to build a NOP_EXPR, return
5899 these "special" trees directly.
5901 2007-01-04 Joseph Myers <joseph@codesourcery.com>
5903 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
5904 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
5905 rs6000_cost->fp not 0 as adjustment for outer NEG.
5907 2007-01-04 Jan Hubicka <jh@suse.cz>
5909 * cgraph.c (cgraph_release_function_body): New function.
5910 (cgraph_remove_node): Use it.
5911 * cgraph.h (cgraph_release_function_body): Declare.
5912 * cgraphunit.c (cgraph_expand_function): Use it.
5913 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
5914 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
5915 is initialized and while compilation of other function is running.
5916 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
5917 statement CFG annotations from here to ...
5918 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
5920 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
5922 * cfgloop.h (enum li_flags): Make the constants powers of two.
5924 2007-01-04 Jan Hubicka <jh@suse.cz>
5926 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
5928 (fold_marked_statements): New function.
5929 (optimize_inline_calls, tree_function_versioning): Fold new statements.
5930 * tree-inline.h (copy_body_data): Add statements_to_fold.
5932 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
5934 * config.gcc: Mention libgcc/config.host.
5935 * Makefile.in: Update comments mentioning libgcc.
5936 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
5937 (all.cross, start.encap, rest.encap, rest.cross): Update
5938 dependencies for libgcc move.
5939 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
5940 (clean-target, clean-target-libgcc): Delete.
5941 (srcdirify, GCC_EXTRA_PARTS): New macros.
5942 (libgcc-support, libgcc.mvars): New rules.
5943 (distclean): Remove mention of mklibgcc.
5944 (install): Don't reference INSTALL_LIBGCC.
5945 (install-common): Don't reference EXTRA_PARTS.
5946 (install-libgcc, install-multilib): Delete rules.
5947 * mklibgcc.in: Delete file.
5948 * doc/configfiles.texi: Don't mention mklibgcc.
5950 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
5951 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
5952 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
5953 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
5954 (mklibgcc, ldblspecs): Likewise.
5956 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
5957 (posixpre.def): Use $(T).
5958 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
5959 (SHLIB_SRC, SHLIB_INSTALL): Delete.
5960 (SHLIB_LINK): Make dummy.
5961 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
5963 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
5965 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
5966 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
5967 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
5968 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
5970 * configure.ac (all_outputs): Remove mklibgcc.
5971 * configure: Regenerated.
5973 2007-01-03 Josh Conner <jconner@apple.com>
5976 * calls.c (compute_argument_addresses): Set stack and stack_slot
5977 for partial args, too.
5978 (store_one_arg): Use locate.size.constant for the size when
5979 generating a save_area.
5981 2007-01-03 Robert Kennedy <jimbob@google.com>
5983 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
5984 whose definitions are deleted due to basic block merging.
5986 2007-01-03 Paul Brook <paul@codesourcery.com>
5989 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
5991 (use_return_insn): Return 0 for Thumb interrupt functions.
5992 (print_multi_reg): Add rfe argument for IRQ returns.
5993 (arm_output_epilogue): Pop interrupt return address directly into PC.
5994 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
5996 2007-01-03 Paul Brook <paul@codesourcery.com>
5998 Merge from sourcerygxx-4_1.
5999 * config/arm/thumb2.md: New file.
6000 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
6002 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
6003 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6004 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
6005 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
6007 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6008 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
6010 * config/arm/ieee754-sf.S: Ditto.
6011 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
6012 (thumb1_base_register_rtx_p): ... to this.
6013 (thumb_index_register_rtx_p): Rename...
6014 (thumb1_index_register_rtx_p): ... to this.
6015 (thumb_output_function_prologue): Rename...
6016 (thumb1_output_function_prologue): ... to this.
6017 (thumb_legitimate_address_p): Rename...
6018 (thumb1_legitimate_address_p): ... to this.
6019 (thumb_rtx_costs): Rename...
6020 (thumb1_rtx_costs): ... to this.
6021 (thumb_compute_save_reg_mask): Rename...
6022 (thumb1_compute_save_reg_mask): ... to this.
6023 (thumb_final_prescan_insn): Rename...
6024 (thumb1_final_prescan_insn): ... to this.
6025 (thumb_expand_epilogue): Rename...
6026 (thumb1_expand_epilogue): ... to this.
6027 (arm_unwind_emit_stm): Rename...
6028 (arm_unwind_emit_sequence): ... to this.
6029 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
6030 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
6031 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
6032 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
6033 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
6034 thumb2_output_casesi): New functions.
6035 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
6036 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
6037 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
6038 THUMB2_WORK_REGS): Define.
6039 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
6040 arm_condexec_mask, arm_condexec_masklen)): New variables.
6041 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
6042 (arm_override_options): Check new CPU capabilities.
6043 Set new architecture flag variables.
6044 (arm_isr_value): Handle v7m interrupt functions.
6045 (user_return_insn): Return 0 for v7m interrupt functions. Handle
6047 (const_ok_for_arm): Handle Thumb-2 constants.
6048 (arm_gen_constant): Ditto. Use movw when available.
6049 (arm_function_ok_for_sibcall): Return false for v7m interrupt
6051 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
6052 (thumb_find_work_register, arm_load_pic_register,
6053 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
6054 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
6055 print_multi_reg, output_mov_long_double_fpa_from_arm,
6056 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
6057 output_mov_double_fpa_from_arm, output_move_double,
6058 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
6059 output_return_instruction, arm_output_function_prologue,
6060 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
6061 arm_output_mi_thunk, thumb_set_return_address): Ditto.
6062 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
6063 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
6064 (arithmetic_instr, shift_op): Use arm_shift_nmem.
6065 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
6067 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
6068 (thumb_expand_prologue): Use thumb_set_frame_pointer.
6069 (arm_file_start): Output directive for unified syntax.
6070 (arm_unwind_emit_set): Handle stack alignment instruction.
6071 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
6072 Add v6t2, v7, v7a, v7r and v7m.
6073 (RETLDM): Add Thumb-2 code.
6074 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
6075 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
6076 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
6077 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
6078 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
6079 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
6080 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
6081 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
6082 ADJUST_INSN_LENGTH): Define.
6083 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
6084 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
6085 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
6086 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
6087 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6088 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
6089 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
6090 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
6091 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
6092 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
6093 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
6094 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
6095 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
6096 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
6097 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
6098 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
6099 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
6101 * config/arm/arm-tune.md: Regenerate.
6102 * config/arm/arm-protos.h: Update prototypes.
6103 * config/arm/vfp.md: Enable patterns for Thumb-2.
6104 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
6105 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
6106 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
6107 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
6108 * config/arm/libunwind.S: Add Thumb-2 code.
6109 * config/arm/constraints.md: Update include Thumb-2.
6110 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
6111 * config/arm/ieee754-df.S: Ditto.
6112 * config/arm/bpabi.S: Ditto.
6113 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
6114 * config/arm/predicates.md (low_register_operand,
6115 low_reg_or_int_operand, thumb_16bit_operator): New.
6116 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
6117 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
6118 * config/arm/t-arm-elf: Add armv7 multilib.
6119 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
6121 (UNSPEC_STACK_ALIGN, ce_count): New.
6122 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
6123 arm_zero_extendsidi2, arm_zero_extendqidi2): New
6125 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
6126 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
6127 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
6128 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
6129 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
6130 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
6132 * doc/extend.texi: Document ARMv7-M interrupt functions.
6133 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
6135 2007-01-03 Jakub Jelinek <jakub@redhat.com>
6137 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
6138 (struct _Unwind_Context): Rename args_size to flags, remove
6139 signal_frame field, add a new args_size field and version field.
6140 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
6141 _Unwind_IsExtendedContext): New inline functions.
6142 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6143 Assume by_value array is only present if _Unwind_IsExtendedContext.
6144 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
6145 _Unwind_IsSignalFrame.
6146 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
6147 (uw_update_context_1): Use _Unwind_SetSignalFrame.
6148 (uw_init_context_1): Initialize context->flags to
6149 EXTENDED_CONTEXT_BIT.
6150 * config/rs6000/linux-unwind.h (frob_update_context): Use
6151 _Unwind_SetSignalFrame.
6153 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
6156 * gimplify.c (gimplify_modify_expr_complex_part): Move below
6157 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
6160 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
6162 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
6163 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
6164 RET, AT_SP): Remove.
6165 * config/i386/i386.md (*sse_prologue_save_insn): Use return
6168 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6169 * cfgbuild.c (find_basic_blocks): Likewise.
6170 * cfgrtl.c (rtl_create_basic_block): Likewise.
6171 * function.c (temp_slots_at_level): Likewise.
6172 * reg-stack.c (stack_regs_mentioned): Likewise.
6173 * regclass.c (allocate_reg_info): Likewise.
6174 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6175 set_bb_for_stmt, move_block_to_fn): Likewise.
6176 * tree-complex.c (tree_lower_complex): Likewise.
6177 * vec.h (VEC_safe_grow_cleared): New.
6179 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
6181 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
6183 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
6184 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
6186 * cfgloopmanip.c (scale_loop_frequencies): Export.
6187 (loopify): Scale the frequencies by prescribed coefficients.
6188 (set_zero_probability): New function.
6189 (duplicate_loop_to_header_edge): Improve updating of frequencies.
6190 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
6191 and frequencies according to arguments.
6192 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
6194 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
6195 * modulo-sched.c (sms_schedule): Set probabilities for entering
6196 versioned loop correctly.
6197 * tree-vect-transform.c (vect_transform_loop): Ditto.
6198 * cfgloop.h (loopify, loop_version): Declaration changed.
6199 (scale_loop_frequencies): Declared.
6201 2007-01-02 Jan Hubicka <jh@suse.cz>
6203 * cgraph.c: Include tree-flow.h
6204 (cgraph_add_new-function): Handle IPA_SSA mode; execute
6206 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
6207 * tree-pass.h (pass_all_early_optimizations): Declare.
6208 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
6210 (cgraph_analyze_function): Do early_local_passes.
6211 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6212 Do not add referenced vars.
6213 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
6215 (gate_all_early_local_passes): New gate.
6216 (pass_early_local_passes): Use new gate.
6217 (execute_early_local_optimizations): New functions.
6218 (gate_all_early_optimizations): New gate.
6219 (pass_all_early_optimizations): New pass.
6220 (execute_free_datastructures): Free SSA only when initialized.
6221 (gate_init_datastructures): Init only when optimizing.
6222 (tree_lowering_passes): Do early local passes when called late.
6223 * tree-profile.c (do_tree_profiling): Don't profile functions added
6225 (do_early_tree_profiling, pass_early_tree_profile): Kill.
6226 * tree-cfg.c (update_modified_stmts): Do not update when operands are
6228 * passes.c (init_optimizations_passes): Reorder so we go into SSA
6229 during early_local_passes.
6230 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
6233 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
6235 * Makefile.in: Update copyright year.
6237 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
6239 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
6240 in $(lang_checks) and check-consistency targets.
6242 2007-01-02 Jan Hubicka <jh@suse.cz>
6244 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6245 Do not add referenced vars.
6246 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
6248 * passes.c (init_optimization_passes): Put mudflap_2 after
6249 free_datastructures.
6251 2007-01-02 Jan Hubicka <jh@suse.cz>
6253 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
6254 Set NOTHROW flag on call statements proved to be nothrow.
6255 Update statement of local calls so new pure/const functions are
6256 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
6258 (tree_rest_of_compilation): Register hooks and initialize bitmap
6259 early. Do not set after_inlining flag.
6261 2007-01-02 Steve Ellcey <sje@cup.hp.com>
6263 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
6264 HOST_BITS_PER_LONGLONG
6266 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6269 * c-typeck.c (store_init_value): Don't emit pedantic overflow
6270 warning for non-static initializers.
6272 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
6274 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
6275 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
6276 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
6277 Always use set_unique_reg_note to add REG_EQUAL notes.
6279 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
6282 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
6284 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6285 * cfgbuild.c (find_basic_blocks): Likewise.
6286 * cfgrtl.c (rtl_create_basic_block): Likewise.
6287 * function.c (temp_slots_at_level): Likewise.
6288 * reg-stack.c (stack_regs_mentioned): Likewise.
6289 * regclass.c (allocate_reg_info): Likewise.
6290 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6291 set_bb_for_stmt, move_block_to_fn): Likewise.
6292 * tree-complex.c (tree_lower_complex): Likewise.
6293 * vec.h (VEC_safe_grow_cleared): New.
6295 2007-01-02 Ian Lance Taylor <iant@google.com>
6297 * c-common.c (c_common_truthvalue_conversion): When warning about
6298 using an assignment as a truth value, set TREE_NO_WARNING.
6300 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6303 * c.opt (Wold-style-declaration): New.
6304 * doc/invoke.texi (C-only Warning Options): New.
6305 (Wold-style-declaration): Document it.
6306 (Wextra): Enabled by -Wextra.
6307 * c-opts.c (c_common_post_options): Enabled by -Wextra.
6308 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
6309 -Wold-style-declaration.
6311 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
6313 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6314 * cfgbuild.c (find_basic_blocks): Likewise.
6315 * cfgrtl.c (rtl_create_basic_block): Likewise.
6316 * function.c (temp_slots_at_level): Likewise.
6317 * reg-stack.c (stack_regs_mentioned): Likewise.
6318 * regclass.c (allocate_reg_info): Likewise.
6319 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6320 set_bb_for_stmt, move_block_to_fn): Likewise.
6321 * tree-complex.c (tree_lower_complex): Likewise.
6322 * vec.h (VEC_safe_grow_cleared): New.
6324 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
6326 * c-common.c (c_common_nodes_and_builtins): Since variants of
6327 void_type_node get built before it is given a name, we need to
6328 give those variants the name, too.
6329 (complete_array_type): We need to work with the canonical main
6330 type of the array, from which we will build the qualified version.
6331 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
6332 * print-tree.c (print_node): Display canonical type information
6334 * stor-layout.c (layout_type): When we don't know the
6335 alignment of a type for which we're building an array, we end up
6336 guessing wrong, so make the type require structural equality.
6337 * tree.c (make_node_stat): When we build a new type, it is its
6339 (build_type_attribute_qual_variant): When building an attribute
6340 variant, its canonical type is the non-attribute variant. However,
6341 if the attributes are target-dependent and they differ, we need to
6342 use structural equality checks for this type.
6343 (build_qualified_type): A qualified type is not equivalent to its
6344 unqualified variant; set the canonical type appropriately.
6345 (build_distinct_type_copy): When building a distinct type from
6346 another type, the new type is its own canonical type.
6347 (build_variant_type_copy): When building a new type variant, we
6348 assume that it is equivalent to the original type.
6349 (build_pointer_type_for_mode): When building a pointer type, also
6350 build a canonical type pointer.
6351 (build_reference_type_for_mode): When building a reference type,
6352 also build a canonical type reference.
6353 (build_index_type): When we can't hash an index type (e.g.,
6354 because its maximum value is negative), the index type requires
6355 structural equality tests.
6356 (build_array_type): Build the canonical form of an array type.
6357 (build_function_type): Function types require structural equality,
6358 because they contain default arguments, attributes, etc.
6359 (build_method_type_directly): Ditto for method types.
6360 (build_offset_type): Build the canonical offset type.
6361 (build_complex_type): Build the canonical vector type.
6362 (make_vector_type): Build the canonical vector type.
6363 * tree.h (TYPE_CANONICAL): New.
6364 (TYPE_STRUCTURAL_EQUALITY_P): New.
6365 (SET_TYPE_STRUCTURAL_EQUALITY): New.
6366 (struct tree_type): Added "canonical" field.
6367 * params.h (VERIFY_CANONICAL_TYPES): New.
6368 * doc/c-tree.texi (TYPE_CANONICAL): Document.
6369 (TYPE_STRUCTURAL_EQUALITY_P): Document.
6370 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6371 * doc/invoke.texi (verify-canonical-types): Document --param
6372 parameter for verifying canonical types.
6374 2007-01-02 Joseph Myers <joseph@codesourcery.com>
6376 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6377 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6378 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6379 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6381 * config/rs6000/e500.h: New.
6382 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6383 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6385 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6386 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6387 TARGET_E500_DOUBLE): Remove.
6388 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6389 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6390 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6391 * config/rs6000/rs6000.c (rs6000_override_options): Use
6394 2007-01-02 Joseph Myers <joseph@codesourcery.com>
6396 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6397 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6398 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6399 rs6000_emit_cmove): Don't check TARGET_E500.
6400 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6401 sordered): Don't check TARGET_E500.
6403 2007-01-01 Eric Christopher <echristo@apple.com>
6405 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6406 HARD_REGISTER_NUM_P.
6408 2007-01-01 Roger Sayle <roger@eyesopen.com>
6410 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6411 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6412 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6415 2007-01-01 Mike Stump <mrs@apple.com>
6417 * configure.ac: Remove support for building with Apple's gcc-3.1.
6419 2007-01-02 Joseph Myers <joseph@codesourcery.com>
6422 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6423 REG is a hard register. Do not modify REG before calling
6425 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6426 multiple of the size of YMODE for certain lowpart cases.
6428 2007-01-01 Andrew Pinski <pinskia@gmail.com>
6431 * gimplify (voidify_wrapper_expr): Update for
6434 2007-01-01 Andreas Schwab <schwab@suse.de>
6437 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6438 save of BR0 in extra_spill_size instead of spill_size.
6439 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6441 (ia64_expand_epilogue): Restore BR0 from its new location.
6443 2007-01-01 Andrew Pinski <pinskia@gmail.com>
6445 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6446 Use a temporary variable if the left hand side is not a gimple
6449 2007-01-01 Andrew Pinski <pinskia@gmail.com>
6451 * gimplify.c (gimplify_return_expr): Make the temporary variable
6452 for the return expression, a gimple register variable.
6454 2007-01-01 Jan Hubicka <jh@suse.cz>
6456 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6459 2007-01-01 Mike Stump <mrs@apple.com>
6461 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6463 * config/darwin.c (machopic_select_rtx_section): Use
6465 (darwin_mergeable_constant_section): Likewise.
6466 * configure: Regenerate.
6467 * config.in: Regenerate.
6469 2007-01-01 Jan Hubicka <jh@suse.cz>
6470 Andrew Pinski <pinskia@gmail.com>
6472 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6473 before starting IPA passes.