1 2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * builtins.c (fold_builtin_frexp): New.
4 (fold_builtin_2): Use it.
6 2007-02-22 Mark Mitchell <mark@codesourcery.com>
8 * doc/invoke.texi (Spec Files): Document getenv spec function.
10 * gcc.c (getenv_spec_function): New function.
11 (static_spec_functions): Add it.
12 * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
13 (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
16 2007-02-22 Michael Matz <matz@suse.de
19 * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
20 (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
22 2007-02-22 Ian Lance Taylor <iant@google.com>
25 * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
26 (mem_loc_descriptor): Call it.
28 2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
29 Ira Rosen <irar@il.ibm.com>
31 * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
33 2007-02-22 Ira Rosen <irar@il.ibm.com>
35 PR tree-optimization/30843
36 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
37 stores only after all the group is vectorized.
39 2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
41 PR tree-optimization/30858
42 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
43 in the reduction cycle have a single use in the loop.
44 * tree-vectorizer.h (relevant): Add documentation.
46 2007-02-20 Mike Stump <mrs@apple.com>
48 * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
49 * configure: Regenerate.
51 2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
53 Change the defaults of some parameters and options.
54 * config/spu/spu-protos.h (spu_optimization_options): Declare.
55 * config/spu/spu.c (spu_optimization_options): Add.
56 (spu_override_options): Change params in spu_optimization_options.
57 * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
59 Register 127 is only 16 byte aligned when used as a frame pointer.
60 * config/spu/spu-protos.h (spu_init_expanders): Declare.
61 * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
62 HARD_FRAME_POINTER_REGNUM.
63 (spu_legitimate_address): Use regno_aligned_for_reload.
64 (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
65 aligned when frame_pointer_needed is true.
66 (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
68 * config/spu/spu.h (INIT_EXPANDERS): Define.
70 Make sure shift and rotate instructions have valid immediate operands.
71 * config/spu/predicates.md (spu_shift_operand): Remove.
72 * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
73 * config/spu/constraints.md (W, O): Extend range.
74 * config/spu/spu.md (umask, nmask): Define.
75 (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
76 lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
77 rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
78 rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
79 spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
80 (lshr<mode>3_reg): Fix rtl description.
82 Make sure mulhisi immediate operands are valid.
83 * config/spu/predicates.md (imm_K_operand): Add.
84 * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
86 Generate constants using fsmbi and andi.
87 * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
88 (print_operand, spu_split_immediate, classify_immediate,
89 fsmbi_const_p): Handle IC_FSMBI2.
91 Correctly handle a CONST_VECTOR containing symbols.
92 * config/spu/spu.c (print_operand): Handle HIGH correctly.
93 (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
94 (immediate_load_p): Allow symbols that use 2 instructions to create.
95 (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
96 with symbols when flag_pic is set.
97 (const_vector_immediate_p): New.
98 (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
99 accept a CONST_VECTOR with symbols.
100 (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
101 accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
103 * config/spu/spu.md (high, low): Delete.
104 (low_<mode>): Define.
106 Remove INTRmode and INTR_REGNUM, which didn't work.
107 * config/spu/spu.c (spu_conditional_register_usage): Remove reference
109 * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
110 set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
111 peephole2 pattern): Don't use INTR or 131.
113 * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
114 CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
115 * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
116 (UNSPEC_SET_INTR): Add.
117 * config/spu/spu-modes.def (INTR): Remove.
119 More accurate warnings about run-time relocations.
120 * config/spu/spu.c (reloc_diagnostic): Test in_section.
122 Correctly warn about immediate arguments to specific intrinsics.
123 * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
124 (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
125 the instruction predicate.
127 Fix tree check errors with latest update.
128 * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
130 (spu_expand_builtin): Use CALL_EXPR_FN.
132 Add missing specific intrinsics.
133 * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
135 * config/spu/spu_internals.h: Ditto.
137 Fix incorrect operand modifiers.
138 * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
139 * config/spu/spu.md (xor<mode>3): Change %S to %J.
141 Optimize one case of zero_extend of a vec_select.
142 * config/spu/spu.md (_vec_extractv8hi_ze): Add.
144 Accept any immediate for hbr.
145 * config/spu/spu.md (hbr): Change s constraints to i.
147 2007-02-21 Paul Brook <paul@codesourcery.com>
149 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
150 condexec_count when skipping USE and CLOBBER.
152 2007-02-21 Nick Clifton <nickc@redhat.com>
154 * common.opt (Warray-bounds): Add Warning attribute.
155 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
157 (fsized-zeroes): Add Optimization attribute.
158 (fsplit-wide-types, ftree-scev-cprop): Likewise.
159 * c.opt (Wc++0x-compat): Add Warning attribute.
161 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
164 * reload1.c (eliminate_regs_in_insn): In the single_set special
165 case, attempt to re-recognize the insn before falling back to
166 having reload fix it up.
168 2007-02-20 Eric Christopher <echristo@gmail.com>
170 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
172 (frv_read_iacc_argument): Ditto.
173 (frv_expand_set_builtin): Take a call instead of arglist, update for
175 (frv_expand_unop_builtin): Ditto.
176 (frv_expand_binop_builtin): Ditto.
177 (frv_expand_cut_builtin): Ditto.
178 (frv_expand_binopimm_builtin): Ditto.
179 (frv_expand_voidbinop_builtin): Ditto.
180 (frv_expand_int_void2arg): Ditto.
181 (frv_expand_prefetches): Ditto.
182 (frv_expand_voidtriop_builtin): Ditto.
183 (frv_expand_voidaccop_builtin): Ditto.
184 (frv_expand_load_builtin): Ditto.
185 (frv_expand_store_builtin): Ditto.
186 (frv_expand_mdpackh_builtin): Ditto.
187 (frv_expand_mclracc_builtin): Ditto.
188 (frv_expand_mrdacc_builtin): Ditto.
189 (frv_expand_mwtacc_builtin): Ditto.
190 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
193 2007-02-20 Janis Johnson <janis187@us.ibm.com>
195 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
196 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
198 (HAVE_GAS_DFP): Check for assembler support of decimal floating
200 * configure: Regenerate.
201 * config.in: Regenerate.
202 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
203 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
204 masks to power6 and power6x and to POWERPC_MASKS.
205 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
207 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
208 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
209 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
210 Access PROTOTYPE as variable, not mask.
212 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
214 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
215 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
216 * combine.c (adjust_for_new_dest): Use it.
217 * postreload.c (reload_combine): Likewise.
219 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
221 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
222 notes on an insn with multiple sets, even if single_set returns
223 non-NULL for that insn.
225 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
227 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
230 2007-02-20 Geoffrey Keating <geoffk@apple.com>
232 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
233 if user didn't pass it.
234 * config/i386/darwin.h (CC1_SPEC): Likewise.
235 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
236 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
237 -mmacosx-version-min.
239 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
240 Uros Bizjak <ubizjak@gmail.com>
242 * optabs.h (enum optab_index): Add new OTI_scalb.
243 (scalb_optab): Define corresponding macro.
244 * optabs.c (init_optabs): Initialize scalb_optab.
245 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
247 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
248 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
249 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
250 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
251 flag_unsafe_math_optimizations is set.
253 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
254 to implement scalbf, scalb and scalbl built-ins as inline x87
257 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
258 DJ Delorie <dj@redhat.com>
261 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
262 (diagnostic_report_diagnostic): ... here, and turn them into real
263 errors. If warnings are inhibited, no need to do anything.
265 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
267 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
268 better code generation.
270 2007-02-20 Ben Elliston <bje@au.ibm.com>
272 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
274 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
276 * config/alpha/alpha.c, config/alpha/alpha.md,
277 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
278 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
279 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
280 config/arm/lib1funcs.asm: Follow spelling conventions.
282 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
283 config/fr30/fr30.md, config/i386/i386.h,
284 config/iq2000/iq2000.h, config/iq2000/predicates.md,
285 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
286 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
287 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
288 config/rs6000/altivec.md, config/rs6000/rs6000.c,
289 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
290 config/sparc/sparc.c, config/sparc/sparc.h,
291 config/sparc/sparc.md, config/spu/constraints.md,
292 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
295 2007-02-20 Alan Modra <amodra@bigpond.net.au>
298 * varasm.c (use_blocks_for_decl_p): Return false for decls with
301 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
303 * doc/invoke.texi (-ftree-lrs): Remove.
305 2007-02-19 Diego Novillo <dnovillo@redhat.com>
307 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
310 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
312 * config/ia64/ia64.c (ia64_expand_builtin): Use the
313 new CALL_EXPR_FN macro for retrieving the function
314 declaration of the input expression.
316 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
318 * c.opt (Waddress): New.
319 * common.opt (Walways-true): Delete.
320 (Wstring-literal-comparison): Delete.
321 * doc/invoke.texi (Warning Options): Delete -Walways-true and
322 -Wstring-literal-comparison. Add -Waddress.
324 (Walways-true): Delete.
325 (Wstring-literal-comparison): Delete.
326 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
327 consistently instead of -Walways-true in example.
328 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
329 * c-typeck.c (parser_build_binary_op): Replace
330 -Wstring-literal-comparison and -Walways-true with -Waddress.
331 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
334 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
336 * tree-cfg.c (dump_function_to_file): Be prepared for functions
337 without DECL_STRUCT_FUNCTION initialized.
339 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
341 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
342 due to calls to functions taking pointers as parameters.
344 2007-02-19 Richard Henderson <rth@redhat.com>
347 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
350 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
352 * config/s390/s390.c (s390_call_saved_register_used,
353 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
354 accessed to the new scheme.
356 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
358 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
359 (cris_print_index, cris_print_operand, cris_print_operand_address)
360 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
361 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
362 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
364 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
365 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
366 GO_IF_LEGITIMATE_ADDRESS): Ditto.
367 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
368 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
369 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
370 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
371 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
372 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
373 (uminsi3, call, call_value): Ditto.
374 (define_split: indir_to_reg_split, unnamed): Ditto.
376 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
378 PR tree-optimization/30975
379 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
382 2007-02-18 Eric Christopher <echristo@gmail.com>
384 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
385 Remove use of arglist.
386 (mips_expand_builtin): Remove use of arglist, pass in expr.
387 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
388 (mips_expand_builtin_movtf): Ditto.
389 (mips_expand_builtin_compare): Ditto.
391 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
393 * tree-sra.c (sra_build_assignment): Replace assertion
394 checking with a comment explaining why it can't be done.
396 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
399 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
400 during CALL_EXPR representation conversion.
401 * tree-ssa-propagate.c (set_rhs): Likewise.
403 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
405 * tree-sra.c (sra_build_assignment): Disable assertion checking
408 2007-02-18 Roger Sayle <roger@eyesopen.com>
410 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
411 instead of calling build2 with a GIMPLE_MODIFY_STMT.
412 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
414 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
415 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
416 gimplify_init_ctor_eval_range, gimple_push_cleanup,
417 gimplify_omp_for, gimplify_omp_atomic_pipeline,
418 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
419 force_gimple_operand): Likewise.
420 * ipa-cp.c (constant_val_insert): Likewise.
421 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
422 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
423 perfect_nestify): Likewise.
424 * langhooks.c (lhd_omp_assignment): Likewise.
425 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
426 lower_copyprivate_clauses, lower_send_clauses,
427 lower_send_shared_vars, expand_parallel_call,
428 expand_omp_for_generic, expand_omp_for_static_nochunk,
429 expand_omp_for_static_chunk, expand_omp_sections,
430 lower_omp_single_copy, lower_omp_for_lastprivate,
431 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
432 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
433 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
436 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
438 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
439 config/sh/sh.md: Follow spelling conventions.
441 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
442 config/frv/predicates.md: Follow spelling conventions.
444 * config/m68k/linux-unwind.h: Fix a comment typo.
445 * target.h: Follow spelling conventions.
447 2007-02-18 Roger Sayle <roger@eyesopen.com>
449 PR rtl-optimization/28173
450 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
451 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
452 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
453 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
454 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
456 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
458 * builtins.c (fold_builtin_load_exponent): New.
459 (fold_builtin_2): Use it.
461 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
463 PR rtl-optimization/30773
464 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
465 if we fail to attach a REG_EQUIV note.
467 2007-02-18 David Edelsohn <edelsohn@gnu.org>
468 Roger Sayle <roger@eyesopen.com>
470 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
472 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
474 * calls.c (initialize_argument_information): Pass original EXP
475 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
476 code to split complex arguments here, as part of initializing the
478 (expand_call): Remove code that builds a list of arguments and
479 inserts implicit arguments into it. Instead, just count how many
480 implicit arguments there will be so we can determine the size of
481 the ARGS array, and let initialize_argument_information do the work.
482 (split_complex_values): Delete unused function.
484 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
486 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
488 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
490 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
491 for arg pointer based indexed addressing.
493 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
495 * config/ia64/ia64.h, config/ia64/ia64.md,
496 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
497 spelling conventions.
499 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
501 * config/m68k/m68k.c (split_di): New.
502 * config/m68k/m68k-protos.h: Declare split_di.
503 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
504 Improve predicate handling and split constant shifts.
506 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
508 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
509 parameter for register bitfield operations, general predicates
512 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
514 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
515 * config/m68k/linux-unwind.h: New file.
517 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
519 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
520 config/i386/athlon.md, config/ia64/ia64.md,
521 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
522 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
523 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
524 tree-ssa-loop-niter.c, tree-vect-analyze.c,
525 tree-vect-transform.c: Fix comment typos.
527 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
529 * sched-deps.c (find_insn_list): Remove.
530 * sched-int.h: Remove the prototype for find_insn_list.
532 2007-02-16 Geoffrey Keating <geoffk@apple.com>
534 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
536 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
537 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
538 darwin_rs6000_override_options.
539 (C_COMMON_OVERRIDE_OPTIONS): Expect
540 darwin_macosx_version_min to be non-NULL always.
541 (TARGET_C99_FUNCTIONS): Likewise.
542 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
543 (DARWIN_MINVERSION_SPEC): New.
544 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
545 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
547 (DARWIN_MINVERSION_SPEC): New.
548 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
550 * config/darwin-c.c (darwin_cpp_builtins): Expect
551 darwin_macosx_version_min to be non-NULL always.
553 * config/rs6000/rs6000.c: Clean up trailing whitespace.
555 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
557 * config/i386/i386.h (x86_use_xchgb): New.
558 (TARGET_USE_XCHGB): New macro.
559 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
560 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
561 Split after reload into bswaphi for shifts of 8.
562 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
563 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
564 or when optimizing for size.
566 2007-02-16 Richard Guenther <rguenther@suse.de>
567 Christian Bruel <christian.bruel@st.com>
569 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
570 DECLs but prefer SSA_NAMEs over DECLs.
572 2007-02-16 Richard Guenther <rguenther@suse.de>
574 * tree-flow-inline.h (single_imm_use_p): Remove.
575 (zero_imm_uses_p): Likewise.
576 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
577 instead of single_imm_use_p.
578 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
581 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
584 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
585 nested double- and backquotes.
587 2007-02-15 Roger Sayle <roger@eyesopen.com>
590 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
591 should be unreachable.
592 (build2_stat): Allow construction of MODIFY_EXPR at any time.
593 For the time being redirect GIMPLE_MODIFY_STMT to the new
594 (renamed) build_gimple_modify_stmt_stat.
595 (build2_gimple_stat): Rename to...
596 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
597 Always build a GIMPLE_MODIFY_STMT node.
598 * tree.h (build2_gimple, build2_gimple_stat): Delete.
599 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
602 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
603 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
604 * tree-complex.c (set_component_ssa_name, expand_complex_move,
605 expand_complex_div_wide): Likewise.
606 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
607 * tree-ssa-loop-im.c (schedule_sm): Likewise.
608 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
609 * tree-ssa-loop-manip.c (create_iv): Likewise.
610 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
611 abs_replacement): Likewise.
612 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
613 realify_fake_stores): Likewise.
615 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
616 node rather than a GIMPLE_MODIFY_STMT node.
617 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
618 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
620 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
621 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
624 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
627 * fold-const.c (fold_comparison): Add back the
628 folding of constant complex comparisions.
630 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
633 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
634 effects unknown to this function, return early.
636 2007-02-15 Ian Lance Taylor <iant@google.com>
638 * lower-subreg.c (move_eh_region_note): New static function.
639 (resolve_simple_move): Call it.
640 (decompose_multiword_subregs): Track blocks for which we resolve a
641 simple move which is also a control flow insn. Pass them to
642 find_many_sub_basic_blocks.
643 (pass_lower_subreg): Add TODO_verify_flow.
644 (pass_lower_subreg2): Likewise.
646 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
647 Brooks Moses <brooks.moses@codesourcery.com>
648 Lee Millward <lee.millward@codesourcery.com>
650 * tree.h (enum tree_code_class): Add tcc_vl_exp.
651 (VL_EXP_CLASS_P): New.
652 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
654 (TREE_OPERAND_CHECK_CODE): Likewise.
655 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
656 (TREE_RTL_OPERAND_CHECK): Likewise.
657 (tree_operand_check_failed): Make second parameter the whole tree
658 instead of its code. Fixed callers.
660 (TREE_OPERAND_LENGTH): New.
661 (VL_EXP_OPERAND_LENGTH): New.
663 (CALL_EXPR_STATIC_CHAIN): New.
664 (CALL_EXPR_ARGS): New.
665 (CALL_EXPR_ARG): New.
666 (call_expr_nargs): New.
667 (CALL_EXPR_ARGP): New.
668 (build_nt_call_list): Declare.
669 (build_vl_exp_stat): Declare.
671 (build_call_list): Declare.
672 (build_call_nary): Declare.
673 (build_call_valist): Declare.
674 (build_call_array): Declare.
675 (call_expr_arg): Declare.
676 (call_expr_argp): Declare.
677 (call_expr_arglist): Declare.
678 (fold_build_call_list): Declare.
679 (fold_build_call_list_initializer): Declare.
680 (fold_call_expr): Declare to replace fold_builtin.
681 (fold_builtin_fputs): Update to agree with modified definition.
682 (fold_builtin_strcpy): Likewise.
683 (fold_builtin_strncpy): Likewise.
684 (fold_builtin_memory_chk): Likewise.
685 (fold_builtin_stxcpy_chk): Likewise.
686 (fold_builtin_strncpy_chk): Likewise.
687 (fold_builtin_next_arg): Likewise.
688 (fold_build_call_expr): Declare.
689 (fold_builtin_call_list): Declare.
690 (fold_builtin_call_valist): Declare.
691 (build_call_expr): Declare.
692 (validate_arglist): Update to agree with modified definition.
693 (tree_operand_length): New.
694 (call_expr_arg_iterator): New.
695 (init_call_expr_arg_iterator): New.
696 (next_call_expr_arg): New.
697 (first_call_expr_arg): New.
698 (more_call_expr_args_p): New.
699 (FOR_EACH_CALL_EXPR_ARG): New.
701 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
703 (tree_code_size): Update documentation. Use sizeof (tree) rather
704 than sizeof (char *).
705 (tree_size): Likewise. Add case for tcc_vl_exp.
706 (tree_node_structure): Add case for tcc_vl_exp.
707 (contains_placeholder_p): Likewise.
708 (substitute_in_expr): Likewise.
709 (substitute_placeholder_in_expr): Likewise.
710 (stabilize_reference_1): Likewise.
711 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
712 to diagnose breakage of this interface for constructing CALL_EXPRs.
713 (build_nt): Add similar assertion here.
714 (build_nt_call_list): New.
715 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
716 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
718 (get_callee_fndecl): Use new CALL_EXPR accessors.
719 (tree_operand_check_failed): Change parameters to pass entire node
720 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
721 (process_call_operands): New.
722 (build_vl_exp_stat): New.
723 (build_call_list): New.
724 (build_call_nary): New.
725 (build_call_valist): New.
726 (build_call_array): New.
727 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
728 (call_expr_arglist): New.
730 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
731 tcc_vl_exp instead of a fixed-size tcc_expression.
733 * doc/c-tree.texi (CALL_EXPR): Document new representation and
734 accessors for CALL_EXPRs.
735 (AGGR_INIT_EXPR): Likewise.
737 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
738 Brooks Moses <brooks.moses@codesourcery.com>
739 Lee Millward <lee.millward@codesourcery.com>
741 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
742 (expand_builtin_nonlocal_goto): Change parameter to be entire
743 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
744 (expand_builtin_prefetch): Likewise.
745 (expand_builtin_classify_type): Likewise.
746 (mathfn_built_in): Return NULL_TREE instead of 0.
747 (expand_errno_check): Use new CALL_EXPR accessors.
748 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
749 Return NULL_RTX instead of 0.
750 (expand_builtin_mathfn_2): Likewise.
751 (expand_builtin_mathfn_3): Likewise.
752 (expand_builtin_interclass_mathfn): Likewise.
753 (expand_builtin_sincos): Likewise.
754 (expand_builtin_cexpi): Likewise.
755 (expand_builtin_int_roundingfn): Likewise.
756 (expand_builtin_int_roundingfn_2): Likewise.
757 (expand_builtin_pow): Likewise.
758 (expand_builtin_powi): Likewise.
759 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
760 of arglist, fixing callers appropriately. Use new CALL_EXPR
761 accessors and constructors. Return NULL_RTX instead of 0.
762 (expand_builtin_strstr): Likewise.
763 (expand_builtin_strchr): Likewise.
764 (expand_builtin_strrchr): Likewise.
765 (expand_builtin_strpbrk): Likewise.
766 (expand_builtin_memcpy): Likewise.
767 (expand_builtin_mempcpy): Likewise.
768 (expand_builtin_mempcpy_args): New.
769 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
770 (expand_builtin_memmove_args): New.
771 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
772 (expand_movstr): Likewise.
773 (expand_builtin_strcpy): Likewise.
774 (expand_builtin_strcpy_args): New.
775 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
776 (expand_builtin_strncpy): Likewise.
777 (expand_builtin_memset): Likewise.
778 (expand_builtin_memset_args): New.
779 (expand_builtin_bzero): Similarly to expand_builtin_memset.
780 (expand_builtin_memcmp): Likewise.
781 (expand_builtin_strcmp): Likewise.
782 (expand_builtin_strncmp): Likewise.
783 (expand_builtin_strcat): Likewise.
784 (expand_builtin_strncat): Likewise.
785 (expand_builtin_strspn): Likewise.
786 (expand_builtin_strcspn): Likewise.
787 (expand_builtin_args_info): Likewise.
788 (expand_builtin_va_start): Likewise.
789 (gimplify_va_arg_expr): Likewise.
790 (expand_builtin_va_end): Likewise.
791 (expand_builtin_va_copy): Likewise.
792 (expand_builtin_frame_address): Likewise.
793 (expand_builtin_alloca): Likewise.
794 (expand_builtin_bswap): Likewise.
795 (expand_builtin_unop): Likewise.
796 (expand_builtin_fputs): Likewise.
797 (expand_builtin_expect): Likewise.
798 (expand_builtin_fabs): Likewise.
799 (expand_builtin_copysign): Likewise.
800 (expand_builtin_printf): Likewise.
801 (expand_builtin_fprintf): Likewise.
802 (expand_builtin_sprintf): Likewise.
803 (expand_builtin_init_trampoline): Likewise.
804 (expand_builtin_signbit): Likewise.
805 (expand_builtin_fork_or_exec): Likewise.
806 (expand_builtin_sync_operation): Likewise.
807 (expand_builtin_compare_and_swap): Likewise.
808 (expand_builtin_lock_test_and_set): Likewise.
809 (expand_builtin_lock_release): Likewise.
810 (expand_builtin): Likewise.
811 (builtin_mathfn_code): Likewise.
813 (fold_builtin_constant_p): Pass call arguments individually instead
814 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
815 accessors and constructors. Return NULL_TREE instead of 0.
816 (fold_builtin_expect): Likewise.
817 (fold_builtin_classify_type): Likewise.
818 (fold_builtin_strlen): Likewise.
819 (fold_builtin_nan): Likewise.
820 (integer_valued_real_p): Likewise.
821 (fold_trunc_transparent_mathfn): Likewise.
822 (fold_fixed_mathfn): Likewise.
823 (fold_builtin_cabs): Likewise.
824 (fold_builtin_sqrt): Likewise.
825 (fold_builtin_cbrt): Likewise.
826 (fold_builtin_cos): Likewise.
827 (fold_builtin_cosh): Likewise.
828 (fold_builtin_tan): Likewise.
829 (fold_builtin_sincos): Likewise.
830 (fold_builtin_cexp): Likewise.
831 (fold_builtin_trunc): Likewise.
832 (fold_builtin_floor): Likewise.
833 (fold_builtin_ceil): Likewise.
834 (fold_builtin_round): Likewise.
835 (fold_builtin_int_roundingfn): Likewise.
836 (fold_builtin_bitop): Likewise.
837 (fold_builtin_bswap): Likewise.
838 (fold_builtin_logarithm): Likewise.
839 (fold_builtin_hypot): Likewise.
840 (fold_builtin_pow): Likewise.
841 (fold_builtin_powi): Likewise.
842 (fold_builtin_exponent): Likewise.
843 (fold_builtin_memset): Likewise.
844 (fold_builtin_bzero): Likewise.
845 (fold_builtin_memory_op): Likewise.
846 (fold_builtin_bcopy): Deleted; call site changed to invoke
847 fold_builtin_memory_op directly.
848 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
849 (fold_builtin_strncpy): Likewise.
850 (fold_builtin_memcmp): Likewise.
851 (fold_builtin_strcmp): Likewise.
852 (fold_builtin_strncmp): Likewise.
853 (fold_builtin_signbit): Likewise.
854 (fold_builtin_copysign): Likewise.
855 (fold_builtin_isascii): Likewise.
856 (fold_builtin_toascii): Likewise.
857 (fold_builtin_isdigit): Likewise.
858 (fold_builtin_fabs): Likewise.
859 (fold_builtin_abs): Likewise.
860 (fold_builtin_fmin_fmax): Likewise.
861 (fold_builtin_carg): Likewise.
862 (fold_builtin_classify): Likewise.
863 (fold_builtin_unordered_cmp): Likewise.
865 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
866 New functions split out from fold_builtin_1.
867 (fold_builtin_n): New.
868 (fold_builtin_varargs): New.
869 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
871 (fold_call_expr): New.
872 (build_function_call_expr): Rewrite to use new helper function.
873 (fold_builtin_call_list): New.
874 (build_call_expr): New.
875 (fold_builtin_call_valist): New.
876 (rewrite_call_expr): New.
878 (validate_arglist): Change parameter to be entire CALL_EXPR instead
879 of an arglist. Change return type to bool. Use new CALL_EXPR
882 (fold_builtin_strstr): Pass call arguments individually instead
883 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
884 accessors and constructors. Return NULL_TREE instead of 0.
885 (fold_builtin_strchr): Likewise.
886 (fold_builtin_strrchr): Likewise.
887 (fold_builtin_strpbrk): Likewise.
888 (fold_builtin_strcat): Likewise.
889 (fold_builtin_strncat): Likewise.
890 (fold_builtin_strspn): Likewise.
891 (fold_builtin_strcspn): Likewise.
892 (fold_builtin_fputs): Likewise.
893 (fold_builtin_next_arg): Likewise.
894 (fold_builtin_sprintf): Likewise.
896 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
897 NULL_RTX instead of 0.
898 (expand_builtin_memory_chk): Likewise.
899 (maybe_emit_chk_warning): Likewise.
900 (maybe_emit_sprintf_chk_warning): Likewise.
902 (fold_builtin_object_size): Pass call arguments individually instead
903 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
904 accessors and constructors. Return NULL_TREE instead of 0.
905 (fold_builtin_memory_chk): Likewise.
906 (fold_builtin_stxcpy_chk): Likewise.
907 (fold_builtin_strncpy_chk): Likewise.
908 (fold_builtin_strcat_chk): Likewise.
909 (fold_builtin_strcat_chk): Likewise.
910 (fold_builtin_strncat_chk): Likewise.
911 (fold_builtin_sprintf_chk): Likewise.
912 (fold_builtin_snprintf_chk): Likewise.
913 (fold_builtin_printf): Likewise.
914 (fold_builtin_vprintf): Likewise.
916 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
918 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
919 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
920 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
921 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
922 (fold_unary): Likewise.
923 (fold_binary): Likewise.
924 (fold_ternary): Remove CALL_EXPR case, since they are no longer
926 (fold): Add logic for tcc_vl_exp.
927 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
928 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
929 (fold_build3_stat): Add assertion to flag broken interface for
930 constructing CALL_EXPRs.
931 (fold_build_call_list): New.
932 (fold_build_call_list_initializer): New.
933 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
935 (fold_strip_sign_ops): Likewise.
937 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
938 Brooks Moses <brooks.moses@codesourcery.com>
939 Lee Millward <lee.millward@codesourcery.com>
941 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
942 accessors and dump arguments explicitly.
944 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
946 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
948 (print_call_name): Use new CALL_EXPR accessors.
950 * print-tree.c (print_node): Add case tcc_vl_exp. Print
951 CALL_EXPR arguments explicitly instead of as a list. Use
952 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
954 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
955 (vrp_visit_stmt): Likewise.
957 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
958 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
960 (force_move_till_expr): Likewise.
962 * targhooks.c (default_external_stack_protect_fail): Use
963 build_call_expr instead of build_function_call_expr.
964 (default_hidden_stack_protect_fail): Likewise.
966 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
969 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
970 and walk arguments explicitly.
972 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
973 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
974 (expand_simple_operations): Likewise.
975 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
977 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
979 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
981 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
982 instead of TREE_CODE_LENGTH.
984 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
985 (tree_ic_transform): Likewise.
986 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
987 parameter instead of arglist. Fix callers.
988 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
989 (tree_stringops_transform): Likewise.
990 (tree_indirect_call_to_profile): Likewise.
991 (tree_stringops_values_to_profile): Likewise.
993 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
994 (eliminate_tail_call): Likewise.
996 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
998 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
999 Use TREE_OPERAND_LENGTH and generalize to handle any number of
1001 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1003 * omp-low.c (build_omp_barrier): Use build_call_expr.
1004 (lower_rec_input_clauses): Likewise.
1005 (lower_reduction_clauses): Likewise.
1006 (expand_parallel_call): Likewise.
1007 (maybe_catch_exception): Likewise.
1008 (expand_omp_for_generic): Likewise.
1009 (expand_omp_for_static_nochunk): Likewise.
1010 (expand_omp_sections): Likewise.
1011 (lower_omp_single_simple): Likewise.
1012 (lower_omp_single_copy): Likewise.
1013 (lower_omp_master): Likewise.
1014 (lower_omp_ordered): Likewise.
1015 (lower_omp_critical): Likewise.
1017 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1018 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1020 * tree-gimple.c (is_gimple_call_addr): Fix doc.
1021 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1022 TREE_CODE_LENGTH. Add tcc_vl_exp case.
1024 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1025 and generalize to handle any number of operands.
1026 (chrec_contains_undetermined): Likewise.
1027 (tree_contains_chrecs): Likewise.
1028 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1030 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1032 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
1033 fold_call_expr instead of fold_builtin.
1034 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
1035 match declarations there.
1036 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
1039 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1040 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1042 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1043 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1045 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1048 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1049 (execute_cse_sincos): Use new CALL_EXPR accessors.
1051 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1053 * gimple-low.c (lower_function_body): Use build_call_expr.
1054 (lower_builtin_setjmp): Likewise.
1056 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1057 (set_storage_via_libcall): Likewise.
1058 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
1059 instead of TREE_CODE_LENGTH.
1060 (expand_expr_real_1): Use new CALL_EXPR accessors.
1062 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1063 generalize to handle any number of operands.
1064 (TB_parent_eq): Likewise.
1066 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1067 (strip_builtin_expect): Likewise.
1069 * function.c (gimplify_parameters): Use build_call_expr.
1071 * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1072 instead of TREE_CODE_LENGTH.
1074 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1075 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1077 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1080 * gimplify.c (build_stack_save_restore): Use build_call_expr.
1081 (gimplify_decl_expr): Likewise.
1082 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1083 Use new CALL_EXPR iterators.
1084 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1085 (gimplify_modify_expr_to_memset): Likewise.
1086 (gimplify_variable_sized_compare): Likewise.
1087 (gimplify_omp_atomic_fetch_op): Likewise.
1088 (gimplify_omp_atomic_pipeline): Likewise.
1089 (gimplify_omp_atomic_mutex): Likewise.
1090 (gimplify_function_tree): Likewise.
1092 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1093 (call_expr_flags): Likewise.
1094 (expand_call): Likewise.
1096 * except.c (expand_builtin_eh_return_data_regno): Pass entire
1097 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
1100 * coverage.c (create_coverage): Use build_call_expr.
1102 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1103 (temp_call_expr_obstack): New.
1104 (pool_copy_list): Delete.
1105 (temp_copy_call_expr): New.
1106 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
1107 CALL_EXPR accessors. Get rid of special goo for copying argument
1108 lists and use temp_copy_call_expr instead.
1109 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
1110 CALL_EXPR accessors.
1111 (create_expression_by_pieces): Likewise. Use build_call_array
1112 to construct the result instead of fold_build3.
1113 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
1114 dealing with argument lists.
1115 (init_pre): Remove references to expression_node_pool and
1116 list_node_pool. Init temp_call_expr_obstack instead.
1117 (fini_pre): Remove references to expression_node_pool and
1120 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1121 and walk arguments explicitly instead of as a list.
1123 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1124 (mx_register_decls): Likewise.
1125 (mudflap_register_call): Likewise.
1126 (mudflap_finish_file): Likewise.
1128 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1129 (ipa_callsite_compute_param): Likewise.
1131 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1132 accessors and constructor.
1134 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1135 accessors and constructor.
1136 (convert_tramp_reference): Likewise.
1137 (convert_call_expr): Likewise.
1138 (finalize_nesting_tree_1): Likewise.
1140 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1143 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1145 * tree-inline.c (initialize_inlined_parameters): Pass entire
1146 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
1148 (estimate_num_insns_1): Use new CALL_EXPR accessors.
1149 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1151 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
1152 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1153 (vectorizable_reduction): Likewise.
1154 (vectorizable_call): Use new CALL_EXPR iterators.
1155 (vectorizable_conversion): Use build_call_expr.
1156 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1157 (vect_gen_widened_results_half): Use build_call_expr.
1158 (vect_setup_realignment): Likewise.
1159 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1161 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1162 (pass_through_call): Likewise.
1163 (compute_object_sizes): Likewise. Use fold_call_expr instead of
1166 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1167 (tree_gen_pow2_profiler): Likewise.
1168 (tree_gen_one_value_profiler): Likewise.
1169 (tree_gen_ic_func_profiler): Likewise.
1170 (tree_gen_average_profiler): Likewise.
1171 (tree_gen_ior_profiler): Likewise.
1173 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1174 (find_func_aliases): Use new CALL_EXPR accessors. Add case
1175 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1177 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1178 of TREE_CODE_LENGTH.
1180 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1181 of TREE_CODE_LENGTH.
1183 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1185 (convert_to_integer): Likewise.
1187 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1190 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
1191 Brooks Moses <brooks.moses@codesourcery.com>
1192 Lee Millward <lee.millward@codesourcery.com>
1194 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1196 * config/frv/frv.c (frv_expand_builtin): Likewise.
1197 * config/s390/s390.c (s390_expand_builtin): Likewise.
1199 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1200 (sparc_expand_builtin): Use new CALL_EXPR accessors.
1202 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1203 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1204 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
1205 (ix86_expand_store_builtin): Likewise.
1206 (ix86_expand_unop_builtin): Likewise.
1207 (ix86_expand_unop1_builtin): Likewise.
1208 (ix86_expand_sse_compare): Likewise.
1209 (ix86_expand_sse_comi): Likewise.
1210 (ix86_expand_vec_init_builtin): Likewise.
1211 (ix86_expand_vec_ext_builtin): Likewise.
1212 (ix86_expand_vec_set_builtin): Likewise.
1213 (ix86_expand_builtin): Use new CALL_EXPR accessors.
1215 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1216 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1218 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1219 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
1220 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1222 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1224 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1225 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1226 arglist. Use new CALL_EXPR accessors. Fix callers.
1227 (altivec_expand_abs_builtin): Likewise.
1228 (rs6000_expand_binop_builtin): Likewise.
1229 (altivec_expand_predicate_builtin): Likewise.
1230 (altivec_expand_lv_builtin): Likewise.
1231 (spe_expand_stv_builtin): Likewise.
1232 (altivec_expand_stv_builtin): Likewise.
1233 (rs6000_expand_ternop_builtin): Likewise.
1234 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1235 (altivec_expand_st_builtin): Likewise.
1236 (altivec_expand_dst_builtin): Likewise.
1237 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1238 arglist. Use new CALL_EXPR accessors. Fix callers.
1239 (altivec_expand_vec_set_builtin): Likewise.
1240 (altivec_expand_vec_ext_builtin): Likewise.
1241 (altivec_expand_builtin): Use new CALL_EXPR accessors.
1242 (spe_expand_builtin): Likewise.
1243 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1244 arglist. Use new CALL_EXPR accessors. Fix callers.
1245 (spe_expand_evsel_builtin): Likewise.
1246 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
1247 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1249 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1250 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
1251 (arm_expand_unop_builtin): Likewise.
1252 (arm_expand_builtin): Use new CALL_EXPR accessors.
1254 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
1257 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1258 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
1259 (bfin_expand_unop_builtin): Likewise.
1260 (bfin_expand_builtin): Use new CALL_EXPR accessors.
1262 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
1263 Brooks Moses <brooks.moses@codesourcery.com>
1264 Lee Millward <lee.millward@codesourcery.com>
1266 * c-semantics.c (build_stmt): Add internal diagnostic check.
1268 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1269 accessors. Print arguments explicitly instead of as a list.
1271 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1273 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1274 (c_finish_omp_flish): Likewise.
1276 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
1277 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
1278 instead of TREE_CODE_LENGTH.
1279 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1280 (c_warn_unused_result): Likewise.
1282 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1285 * doc/invoke.texi (Warning Options): Remove
1286 -Werror-implicit-function-declaration.
1287 (Wimplicit-function-declaration): Update description.
1288 * opts.c (common_handle_option): Move handling of -Werror=* to...
1289 (enable_warning_as_error): ...here.
1290 * opts.h (enable_warning_as_error): Declare.
1291 * c-decl.c (implicit_decl_warning): Unless
1292 -Wno-implicit-function-declaration is given, emit a pedwarn if
1293 -std=c99 or emit a warning if -Wimplicit-function-declaration.
1294 * c.opt (Wimplicit-function-declaration): Replace
1295 mesg_implicit_function_declaration with
1296 warn_implicit_function_declaration.
1297 * c-opts.c (c_common_handle_option):
1298 -Werror-implicit-function-declaration is exactly equal as
1299 -Werror=implicit-function-declaration.
1300 (set_Wimplicit): Replace mesg_implicit_function_declaration with
1301 warn_implicit_function_declaration.
1302 (c_common_post_options): -Wimplict-function-declaration is enabled
1303 by default by -std=c99, otherwise is disabled by default.
1304 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1306 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
1308 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1309 DECL on the rhs to a DECL on the lhs for debug info purposes if the
1310 former is ignored but not the latter.
1312 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
1314 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1315 is made and the reference doesn't use the alias set of its type,
1316 do not create the temporary using that type.
1318 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
1320 * jump.c: Remove prototypes for delete_computation and
1321 delete_prior_computation.
1323 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
1325 * jump.c (get_label_after): Delete.
1326 (get_label_before, delete_computation, delete_jump,
1327 delete_prior_computation, follow_jumps): Move...
1328 * reorg.c (delete_computation, delete_prior_computation): ... here...
1329 (get_label_before, delete_jump): ... making these static ...
1330 (follow_jumps): ... and simplifying this since it only runs after
1332 * rtl.h (get_label_after, get_label_before, delete_jump,
1333 follow_jumps): Delete prototypes.
1335 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
1337 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1339 2007-02-15 Nick Clifton <nickc@redhat.com>
1341 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1342 order to prevent it from being munged by the target.
1344 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
1346 * config/i386/i386.md: Remove misleading comment.
1348 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
1350 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1351 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1354 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
1356 * tree-sra.c (instantiate_missing_elements): Canonicalize
1358 (sra_build_assignment): New.
1359 (generate_copy_inout, generate_element_copy,
1360 generate_element_zero, generate_one_element_init): Use it.
1362 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
1364 * tree-sra.c (instantiate_missing_elements): Canonicalize
1366 (sra_build_assignment): New.
1367 (generate_copy_inout, generate_element_copy,
1368 generate_element_zero, generate_one_element_init): Use it.
1370 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
1372 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1375 2007-02-14 Joseph Myers <joseph@codesourcery.com>
1377 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1378 types as aggregates not scalars.
1379 * function.c (assign_stack_temp_for_type): Likewise.
1381 2007-02-14 Roger Sayle <roger@eyesopen.com>
1382 Zdenek Dvorak <dvorakz@suse.cz>
1384 * tree-dump.c (dump_switch_p_1): Require exact match of the option
1387 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1389 * passes.c (next_pass_1): Clear the next field of the copied
1392 2007-02-14 Richard Henderson <rth@redhat.com>
1394 * tree-sra.c (early_sra): New.
1395 (decl_can_be_decomposed_p): Deny va_list if early_sra.
1396 (tree_sra_early, pass_sra_early): New.
1397 * tree-pass.h (pass_sra_early): Declare.
1398 * passes.c (init_optimization_passes): Use it.
1400 2007-02-14 Richard Guenther <rguenther@suse.de>
1402 * flags.h (issue_strict_overflow_warning): Convert to a macro.
1404 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
1406 PR tree-optimization/30771
1407 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1409 (vect_analyze_operations): Induction phis can now be marked as
1411 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1412 Update documentation accordingly.
1414 2007-02-14 Nick Clifton <nickc@redhat.com>
1416 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1417 most 3 arguments are supported.
1418 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1420 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
1422 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1423 Ensure dst->current is valid.
1425 2007-02-13 Paul Brook <paul@codesourcery.com>
1427 * config.gcc: Add arm*-*-uclinux-*eabi.
1428 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1429 (SUBTARGET_EXTRA_LINK_SPEC): Define.
1430 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1431 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1432 (LINK_SPEC): Define.
1434 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1436 * config/arm/uclinux-eabi.h: New file.
1437 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1438 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1441 2007-02-13 Ian Lance Taylor <iant@google.com>
1443 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1444 * flags.h (warn_strict_overflow): Declare.
1445 (enum warn_strict_overflow_code): Define.
1446 (issue_strict_overflow_warning): New static inline function.
1447 * opts.c (warn_strict_overflow): New variable.
1448 (common_handle_option): Handle OPT_Wstrict_overflow and
1449 OPT_Wstrict_overflow_.
1450 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1452 * fold-const.c: Include intl.h.
1453 (fold_deferring_overflow_warnings): New static variable.
1454 (fold_deferred_overflow_warning): New static variable.
1455 (fold_deferred_overflow_code): New static variable.
1456 (fold_defer_overflow_warnings): New function.
1457 (fold_undefer_overflow_warnings): New function.
1458 (fold_undefer_and_ignore_overflow_warnings): New function.
1459 (fold_deferring_overflow_warnings_p): New function.
1460 (fold_overflow_warning): New static function.
1461 (make_range): Add strict_overflow_p parameter. Change all
1463 (extract_muldiv, extract_muldiv_1): Likewise.
1464 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1465 tree_expr_nonnegative_p.
1466 (fold_negate_expr): Call fold_overflow_warning.
1467 (fold_range_test): Likewise.
1468 (fold_comparison): Likewise.
1469 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
1470 instead of tree_expr_nonnegative_p.
1471 (tree_expr_nonnegative_warnv_p): Rename from
1472 tree_expr_nonnegative_p, add strict_overflow_p parameter.
1473 (tree_expr_nonnegative_p): New function.
1474 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1475 strict_overflow_p parameter.
1476 (tree_expr_nonzero_p): New function.
1477 * passes.c (verify_interpass_invariants): New static function.
1478 (execute_one_pass): Call it.
1479 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1481 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1482 (estimate_numbers_of_iterations): Likewise.
1483 (scev_probably_wraps_p): Likewise.
1484 * tree-ssa-ccp.c: Include "toplev.h".
1485 (evaluate_stmt): Defer fold overflow warnings until we know we are
1487 (struct fold_stmt_r_data): Add stmt field.
1488 (fold_stmt_r): Defer fold overflow warnings until we know we
1490 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1491 (fold_stmt_inplace): Likewise.
1492 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1493 (cleanup_control_expr_graph): Defer fold overflow warnings until
1494 we know we are going to optimize.
1495 * tree-cfg.c (fold_cond_expr_cond): Likewise.
1496 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1498 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1499 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1500 * tree-ssa-loop-manip.c (create_iv): Likewise.
1501 * c-typeck.c (build_conditional_expr): Likewise.
1502 (build_binary_op): Likewise.
1503 * tree-vrp.c (vrp_expr_computes_nonzero): Call
1504 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1505 (extract_range_from_unary_expr): Likewise.
1506 * simplify-rtx.c (simplify_const_relational_operation): Warn when
1507 assuming that signed overflow does not occur.
1508 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1509 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1510 (fold_defer_overflow_warnings): Declare.
1511 (fold_undefer_overflow_warnings): Declare.
1512 (fold_undefer_and_ignore_overflow_warnings): Declare.
1513 (fold_deferring_overflow_warnings_p): Declare.
1514 (tree_expr_nonzero_warnv_p): Declare.
1515 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1517 (Warning Options): Document -Wstrict-overflow.
1518 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1519 (tree-ssa-ccp.o): Likewise.
1520 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1521 (fold-const.o): Depend on intl.h.
1523 2007-02-13 Ian Lance Taylor <iant@google.com>
1526 * lower-subreg.c (resolve_simple_move): Decompose subregs in
1529 2007-02-13 Stuart Hastings <stuart@apple.com>
1531 * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1533 2007-02-13 Richard Henderson <rth@redhat.com>
1535 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1536 handled_component_p before looking for the indirect_ref.
1538 2007-02-13 Richard Henderson <rth@redhat.com>
1540 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1541 remove flags clobber.
1542 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1543 (bswaphi_lowpart): New.
1544 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1545 remove TARGET_BSWAP test. Delete expander of the same name.
1547 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1548 (expand_unop): Use them.
1550 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
1552 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1553 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1554 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1555 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1556 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1557 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1558 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1559 assembler dialect choice from asm templates.
1561 2007-02-12 Richard Henderson <rth@redhat.com>
1563 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1564 (fixuns_trunc<SSEMODEF>si2): Use it.
1565 * config/i386/sse.md (vec_setv4sf_0): Export.
1566 * config/i386/i386.c (ix86_build_const_vector): Export.
1567 (ix86_split_convert_uns_si_sse): Rename from
1568 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1569 * config/i386/i386-protos.h: Update.
1571 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1574 * c-typeck.c (c_finish_return): Improve warning message.
1576 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1578 * alias.c (find_symbolic_term): Delete unused function.
1580 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
1582 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1583 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1584 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1586 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
1588 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1589 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1590 the function, temporarily point the debug interface to the null one.
1592 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
1594 * dwarf2out.c (round_up_to_align): New static function.
1595 (field_byte_offset): Use it to round the offset.
1597 2007-02-12 Richard Henderson <rth@redhat.com>
1599 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1600 (inswl_const): Export.
1602 2007-02-12 Richard Henderson <rth@redhat.com>
1604 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1605 result mode of the libcall, convert back to outmode.
1607 2007-02-12 Roger Sayle <roger@eyesopen.com>
1609 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1610 (bswapdi2): New define_expand to implement 32-bit implementation.
1612 2007-02-12 Nick Clifton <nickc@redhat.com>
1614 * doc/invoke.texi (Overall Options): Document --help=.
1615 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1616 (cc1_options): Pass --help= on to cc1.
1617 (display_help): Add description of --help=.
1618 (process_command): Add code to handle --help=. Allow translated
1619 --help and --target-help switches to be passed on to compiler
1621 (main): Remove unused if statement.
1622 * opts.c (columns): Remove.
1623 (LEFT_COLUMN): Define.
1624 (wrap_help): Add columns argument.
1625 (print_filtered_help): Change parameters to be an include bitmask,
1626 an exclude bitmask, an any bitmask and the column width. Move the
1627 code to display the params list here. Add code to display the
1628 status of options rather than their descriptions if the quiet flag
1630 (print_specific_help): Change parameters to be an include bitmask,
1631 an exclude bitmask and an any bitmask. Move code to look up the
1632 column width here. Decide upon the title for an options listing.
1633 (common_handle_options): Add code to handle --help=. Adapt code
1634 for --help and --target-help to use the revised form of the
1635 print_specific_help function.
1636 (print_help): Delete.
1637 (print_param_help): Delete.
1638 (print_switch): Delete.
1639 * opts.h (cl_lang_count): Add prototype.
1640 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1641 CL_MAX_OPTION_CLASS): New defines.
1642 * optc-gen.awk: Add construction of cl_lang_count.
1643 * c.opt: Add Warning attribute to warning options and Optimization
1644 attribute to optimization options.
1645 * common.opt: Likewise.
1647 Add -fhelp and -ftarget-help as aliases for the transformed --help
1648 and --target-help options.
1649 * opt-functions.awk: Add code to handle Warning and Optimization
1652 2007-02-12 Richard Henderson <rth@redhat.com>
1654 * config/alpha/constraints.md: New file.
1655 * config/alpha/alpha.c: Include tm-constrs.h.
1656 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1657 alpha_extra_constraint): Remove.
1658 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1659 * config/alpha/alpha-protos.h: Update.
1660 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1661 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1662 (EXTRA_CONSTRAINT): Remove.
1663 * config/alpha/alpha.md: Include constraints.md.
1664 (adddi splitter): Use satisfies_constraint_*.
1665 * config/alpha/predicates.md (add_operand): Likewise.
1666 (sext_add_operand, addition_operation): Likewise.
1668 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
1670 PR tree-optimization/29145
1671 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1672 in our handling of restrict qualified pointers.
1674 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1677 * doc/invoke.texi (Wunused-value): Update description.
1678 (Wextra): Delete item.
1679 * opts.c (set_Wextra): Don't use the value of Wextra to set the
1680 value of Wunused-value.
1681 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1682 (c_finish_stmt_expr): Don't check extra_warnings.
1683 (emit_side_effect_warnings): The caller is responsible to check
1686 2007-02-11 Roger Sayle <roger@eyesopen.com>
1687 Matt Thomas <matt@3am-software.com>
1689 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1691 2007-02-11 Roger Sayle <roger@eyesopen.com>
1693 * simplify-rtx.c (simplify_relational_operation_1): Optimize
1694 comparisons of POPCOUNT against zero.
1695 (simplify_const_relational_operation): Likewise.
1697 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1699 * doc/invoke.texi (Wextra): Delete outdated paragraph.
1701 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1703 * dwarf2out.c (root_type): Delete unused function.
1705 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1707 * genattrtab.c (contained_in_p): Delete unused function.
1708 (write_expr_attr_cache): Likewise.
1710 2007-02-11 Jan Hubicka <jh@suse.cz>
1712 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1715 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
1717 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1718 to add the REG_EQ* note.
1719 * see.c (see_merge_one_use_extension): Likewise.
1720 * local-alloc.c (update_equiv_regs): Likewise. Also don't
1721 turn REG_EQUAL notes into REG_EQUIV notes if the target
1722 register may have more than one set.
1723 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1724 * gcse.c (try_replace_reg): Likewise.
1725 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1726 * calls.c (fixup_tail_calls): Likewise. Abort if there is
1727 more than one REG_EQUIV note.
1728 * reload1.c (gen_reload): Use set_unique_reg_note.
1730 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
1732 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1733 (ix86_builtin_conversion): New function.
1735 2007-02-06 Mark Mitchell <mark@codesourcery.com>
1738 * tree.h (DECL_REPLACEABLE_P): New macro.
1739 * except.c (set_nothrow_function_flags): Likewise.
1741 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
1742 Ira Rosen <irar@il.ibm.com>
1743 Dorit Nuzman <dorit@il.ibm.com>
1745 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1746 * targhooks.c (default_builtin_vectorized_conversion): New.
1747 * targhooks.h (default_builtin_vectorized_function): New declaration.
1748 * target.h (struct vectorize): Add builtin_conversion field.
1749 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1750 stmt_vec_info_type value.
1751 (vectorizable_conversion): New declaration.
1752 * tree-vect-analyze.c (vect_analyze_operations): Add
1753 vectorizable_conversion call.
1754 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
1755 * tree-vect-transform.c (vectorizable_conversion): New function.
1756 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
1757 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1759 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
1760 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
1761 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
1762 or ALTIVEC_BUILTIN_VCFSX.
1764 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1767 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
1768 CONST_DOUBLE and operand 0 is a hard register.
1769 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
1770 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
1771 is a hard floating-point register.
1773 2007-02-10 Richard Henderson <rth@redhat.com>
1774 Jakub Jelinek <jakub@redhat.com>
1775 Alexandre Oliva <aoliva@redhat.com>
1777 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
1778 * builtin-types.def (BT_WORD): Make unsigned.
1779 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1780 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1781 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1782 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1783 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1784 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1786 * expr.c (emutls_var_address): New.
1787 (expand_expr_real_1): Expand emulated tls.
1788 (expand_expr_addr_expr_1): Likewise.
1789 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1790 * output.h (emutls_finish): Declare.
1791 * toplev.c (compile_file): Call it.
1792 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1793 address before wrapping in CONST.
1794 * varasm.c (emutls_htab, emutls_object_type): New.
1795 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1796 (get_emutls_object_name, get_emutls_object_type): New.
1797 (get_emutls_init_templ_addr, emutls_decl): New.
1798 (emutls_common_1, emutls_finish): New.
1799 (assemble_variable): When emulating tls, swap decls; generate
1800 constructor for the emutls objects.
1801 (do_assemble_alias): When emulating tls, swap decl and target name.
1802 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1804 * varpool.c (decide_is_variable_needed): Look at force_output.
1805 Recurse for emulated tls.
1806 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
1807 with decide_is_variable_needed.
1808 * emutls.c: New file.
1809 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1810 tls_object for real tls.
1812 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
1814 PR rtl-optimization/29599
1815 * reload1.c (eliminate_regs_in_insn): Take the destination
1816 mode into account when computing the offset.
1818 2007-02-09 Stuart Hastings <stuart@apple.com>
1819 Richard Henderson <rth@redhat.com>
1821 * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1822 * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1823 * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
1824 fixuns_truncdfhi2): New.
1825 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
1826 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
1827 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
1828 (floatunssidf2): Allow nonimmediate source.
1829 * gcc/config/i386/sse.md (movdi_to_sse): New.
1830 (vec_concatv2di): Drop '*'.
1831 * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
1832 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1833 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
1835 * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
1836 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1837 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
1838 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
1839 (ix86_build_signbit_mask): Fix decl of v, refactor to call
1840 ix86_build_const_vector.
1841 (x86_emit_floatuns): Rewrite.
1843 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1845 * genautomata.c (longest_path_length): Delete unused function.
1846 (struct state): Delete unused longest_path_length.
1847 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
1848 (get_free_state): Delete unused.
1850 2007-02-09 Jan Hubicka <jh@suse.cz>
1852 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
1853 * doc/invoke.texi (inline-unit-growth): Update default value.
1855 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
1856 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
1857 (rebuild_cgraph_edges): Likewise.
1858 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
1859 (dump_cgraph_node): Dump frequencies.
1860 (cgraph_clone_edge): Add frequency scales.
1861 (cgraph_clone_node): Add freuqnecy.
1862 * cgraph.h (cgraph_edge): Add freuqnecy argument.
1863 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
1864 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
1865 * tree-pass.h (TODO_rebuild_frequencies): New constant.
1866 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
1867 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
1868 (save_inline_function_body): Likewise.
1869 * ipa-inline.c: inluce rtl.h
1870 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
1871 (cgraph_edge_badness): Use frequencies.
1872 (cgraph_decide_recursive_inlining): Update clonning.
1873 (cgraph_decide_inlining_of_small_function): Dump frequency.
1874 * predict.c (estimate_bb_frequencies): Export.
1875 * predict.h (estimate_bb_frequencies): Declare.
1876 * tree-inline.c (copy_bb): Watch overflows.
1877 (expand_call_inline): Update call of cgraph_create_edge.
1878 (optimize_inline_calls): Use TODO flags to update frequnecies.
1879 * passes.h: Include predict.h
1880 (init_optimization_passes): Move profile ahead.
1881 (execute_function_todo): Handle TODO_rebuild_frequencies.
1883 2007-02-09 Roger Sayle <roger@eyesopen.com>
1885 * config/alpha/alpha.c (emit_insxl): Force the first operand of
1886 the insbl or inswl pattern into a register.
1888 2007-02-09 Roger Sayle <roger@eyesopen.com>
1890 * config/ia64/ia64.md (bswapdi2): New define_insn.
1892 2007-02-09 Richard Henderson <rth@redhat.com>
1894 * config/i386/constraints.md (Ym): New constraint.
1895 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
1896 (movdi_1_rex64): Split sse and xmm general register moves from
1897 memory move alternatives. Use conditional register constraints.
1898 (movsf_1, movdf_integer): Likewise.
1899 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
1900 (movdf_integer_rex64): New.
1901 (pushsf_rex64): Fix output constraints.
1902 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
1903 (sse2_stored): Likewise.
1904 (sse2_storeq_rex64): New.
1905 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
1906 amd and not generic.
1907 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
1908 for optimize_size. Remove SF/DFmode hack.
1910 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
1912 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
1915 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
1916 Richard Sandiford <richard@codesourcery.com>
1918 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
1919 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
1920 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
1921 m68k/t-mlib to tmake_file.
1922 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
1923 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
1924 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
1925 Allow it to be cf or m68k. Set m68k_arch_family. If that
1926 variable is not empty, add t-$m68k_arch_family to tmake_file.
1927 Add t-mlibs to tmake_file.
1928 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
1929 * config/m68k/t-cf: New file.
1930 * config/m68k/t-m68k: Likewise.
1931 * config/m68k/t-mlibs: Likewise.
1932 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1933 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1934 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1935 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1936 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
1938 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
1939 (INSTALL_LIBGCC): Delete.
1940 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1941 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1942 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1943 (M68K_MLIB_CPU): Define.
1944 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1945 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1946 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
1948 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1949 Richard Guenther <rguenther@suse.de>
1952 * fold-const.c (fold_comparison): Handle obfuscated comparisons
1953 against INT_MIN/INT_MAX.
1954 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
1955 file if a loop is removed.
1957 2007-02-09 Joseph Myers <joseph@codesourcery.com>
1959 * calls.c (store_one_arg): Pass correct alignment to
1960 emit_push_insn for non-BLKmode values.
1961 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
1962 unaligned stack slot via a suitably aligned slot.
1964 2007-02-08 DJ Delorie <dj@redhat.com>
1966 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
1968 (legal_subregs): Use unsigned char, make const.
1969 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
1971 2007-02-08 Paul Brook <paul@codesourcery.com>
1973 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
1974 special interworking needed.
1976 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
1978 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
1979 conditional to __SSE2__.
1980 (Entries below should have been added to first ChangeLog
1981 entry for amdfam10 dated 2007-02-05)
1982 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
1984 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
1986 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
1989 2007-02-08 DJ Delorie <dj@redhat.com>
1991 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
1992 * config/m32c/m32c.c (legal_subregs): New.
1993 (m32c_illegal_subreg_p): New.
1994 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
1995 unsupported subregs of hard regs.
1997 2007-02-08 Jan Hubicka <jh@suse.cz>
1999 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2000 the same one; always update histograms.
2002 2007-02-08 Diego Novillo <dnovillo@redhat.com>
2004 * passes.c (init_optimization_passes): Tidy comment.
2006 2007-02-08 Roger Sayle <roger@eyesopen.com>
2008 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2009 strip zero_extend, bswap and rotates from POCOUNT's argument.
2010 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2011 zero_extend and rotates from PARITY's argument.
2012 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2013 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2014 of an integer constant at compile-time.
2016 2007-02-08 Diego Novillo <dnovillo@redhat.com>
2019 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2021 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
2024 * tree-ssa-live.c (remove_unused_locals): Do not remove
2025 TREE_ADDRESSABLE variables.
2026 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2027 * tree-ssa-operands.c (add_virtual_operand): Remove argument
2028 FOR_CLOBBER. Update all users.
2029 If VAR has an associated alias set, add a virtual operand for
2030 it if no alias is found to conflict with the memory reference.
2032 2007-02-07 Jan Hubicka <jh@suse.cz>
2033 Robert Kidd <rkidd@crhc.uiuc.edu>
2035 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2037 2007-02-07 Ian Lance Taylor <iant@google.com>
2039 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2041 2007-02-07 Roger Sayle <roger@eyesopen.com>
2043 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2044 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2045 tablejumpdi, movsi_to_cr_one): Remove constraints from
2046 define_expand's match_operands.
2048 2007-02-07 Roger Sayle <roger@eyesopen.com>
2050 * global.c (compute_regsets): Move declatation of "i" inside of
2051 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2053 2007-02-07 Jakub Jelinek <jakub@redhat.com>
2056 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2057 of INDIRECT_REF <RESULT_DECL>.
2059 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2061 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
2062 Kaz Kojima <kkojima@gcc.gnu.org>
2065 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2067 (sh_initialize_trampoline): Add parentheses to avoid a warning.
2069 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2071 * doc/loop.texi: Document possibility not to perform disambiguation
2072 of loops with multiple latches.
2073 * cfgloopmanip.c (alp_enum_p): Removed.
2074 (add_loop): Handle subloops. Use get_loop_body_with_size.
2075 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2076 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2077 the new forwarder block.
2078 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2079 Handle the case latch is NULL.
2080 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2081 when marking loop exits.
2082 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
2084 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
2085 disambiguate_loops_with_multiple_latches.
2086 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2087 before fix_loop_structure.
2088 * cfgloop.c: Include pointer-set.h and output.h.
2089 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2090 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2091 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2092 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2093 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2094 disambiguate_multiple_latches, get_loop_body_with_size,
2095 disambiguate_loops_with_multiple_latches): New functions.
2096 (flow_loop_dump): Dump multiple latch edges.
2097 (flow_loop_nodes_find): Handle loops with multiple latches.
2098 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2099 (glb_enum_p): Modified.
2100 (get_loop_body): Use get_loop_body_with_size.
2101 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2102 (AVOID_CFG_MODIFICATIONS): New constant.
2103 (disambiguate_loops_with_multiple_latches, add_loop,
2104 get_loop_body_with_size): Declare.
2105 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2107 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
2110 * global.c (compute_regsets): New function.
2111 (global_alloc): Refactored ELIMINABLE_REGSET
2112 and NO_GLOBAL_ALLOC_REGS computation out.
2113 (rest_of_handle_global_alloc): Call compute_regsets()
2114 for non-optimizing case.
2116 2007-02-06 Richard Henderson <rth@redhat.com>
2118 * config/i386/constraints.md (Y2): Rename from Y.
2119 (Yi): New constraint.
2120 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2121 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2122 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2123 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2124 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2125 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2126 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2127 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2128 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2129 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2130 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2131 vec_extractv2si_1): Change Y constraints to Y2.
2132 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2133 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2134 Change Y constraints to Y2.
2135 (sse2_loadld): Change Y constraints to x.
2137 2007-02-06 Roger Sayle <roger@eyesopen.com>
2139 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2140 (parity<mode>2): New define_expand using rs6000_emit_parity.
2141 * config/rs6000/rs6000.c (rs6000_emit_popcount,
2142 rs6000_emit_parity): New functions.
2143 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2144 rs6000_emit_parity): Prototype here.
2146 2007-02-06 Ian Lance Taylor <iant@google.com>
2148 * lower-subreg.c (simple_move_operand): Reject CONST.
2149 (resolve_clobber): Call validate_change rather than directly
2150 assigning to XEXP (pat, 0).
2152 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
2154 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2155 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2156 (tree-cfg.o): Remove hashtab.h dependency.
2158 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2159 (struct ivopts_data): Change niters to pointer_map_t.
2160 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2161 (niter_for_exit): Create pointer_map on demand. Change for
2163 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2164 (free_loop_data): Destroy data->niters if created and reset field.
2165 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2166 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2168 * tree-ssa-reassoc.c: Include pointer-set.h.
2169 (bb_rank): Change to long *.
2170 (operand_rank): Change to pointer_map_t.
2171 (find_operand_rank): Return long, -1 if not found. Declare as inline.
2172 (insert_operand_rank): Accept long.
2173 (operand_entry_hash, operand_entry_eq): Remove.
2174 (get_rank): Return long. Adjust for changes above.
2175 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
2177 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2179 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2180 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2181 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
2183 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
2184 directly since it cannot be NULL.
2185 (get_vi_for_tree): Rewrite for pointer_map API.
2186 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2187 (init_alias_vars): Create vi_for_tree as pointer_map.
2188 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2190 * tree-cfg.c: Don't include hashtab.h.
2191 (edge_to_cases): Declare as pointer_map.
2192 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2194 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2195 (start_recording_case_labels): Create edge_to_cases as pointer_map.
2196 (end_recoding_case_labels): Cleanup edge_to_cases manually before
2198 (record_switch_edge): Delete.
2199 (get_cases_for_edge): Adjust for pointer_map API, inline
2200 record_switch_edge (rewritten for new API), remove goto.
2202 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
2204 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2205 * tree-nested.c: Include pointer-set.h.
2206 (var_map_elt, var_map_eq, var_map_hash): Delete.
2207 (struct nesting_info): Remove GTY marker. Change the two htab_t's
2209 (nesting_info_bitmap_obstack): New.
2210 (lookup_field_for_decl): Adjust for pointer_map API.
2211 (lookup_tramp_for_decl): Adjust for pointer_map API.
2212 (get_nonlocal_debug_decl): Adjust for pointer_map API.
2213 (get_local_debug_decl): Adjust for pointer_map API.
2214 (convert_nl_goto_reference): Adjust for pointer_map API.
2215 (convert_nl_goto_receiver): Adjust for pointer_map API.
2216 (create_nesting_tree): Create outside GGC space. Create bitmap on
2217 the new obstack. Create field_map and var_map as pointer_maps.
2218 (free_nesting_tree): Adjust for changes to create_nesting_tree.
2220 (lower_nested_functions): Move root here, no need to NULL it.
2221 Initialize and release the obstack.
2223 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
2225 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2226 Remove prototypes and make them non-static.
2227 (struct tree_int_map): Remove.
2228 * tree.h (struct tree_int_map): Move here, turning TO into an
2230 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2232 * tree.h (TREE_COMPLEXITY): Remove.
2233 (struct tree_exp): Remove complexity field.
2234 * tree.c (build1_stat): Don't set it.
2236 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
2237 Victor Kaplansky <victork@il.ibm.com>
2239 * tree-vectorizer.c (vect_is_simple_use): Support induction.
2240 (vect_is_simple_reduction): Support reduction with induction as
2241 one of the operands.
2242 (vect_is_simple_iv_evolution): Fix formatting.
2243 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2244 formatting. Don't mark induction phis for vectorization.
2245 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2246 * tree-vect-transform.c (get_initial_def_for_induction): New function.
2247 (vect_get_vec_def_for_operand): Support induction.
2248 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2250 (vectorizable_reduction): Support reduction with induction as one of
2252 (vectorizable_type_demotion): Use def-type of stmt argument rather
2253 than dummy def-type.
2255 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2256 flag_tree_scev_cprop.
2257 * common.opt (tree-scev-cprop): New flag.
2259 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2260 call to vect_get_new_vect_var.
2262 2007-02-06 Ira Rosen <irar@il.ibm.com>
2264 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2265 vectype is not NULL.
2266 (vect_pattern_recog_1): Likewise.
2268 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2270 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2271 (fold_negate_expr): Likewise.
2273 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
2276 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2277 even if cv-qualification is the same.
2279 2007-02-05 Geoffrey Keating <geoffk@apple.com>
2281 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2282 __enable_execute_stack on completion.
2284 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2286 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2287 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2288 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2289 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2290 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2291 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2292 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2293 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2295 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2297 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2298 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2299 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2300 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2301 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2302 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2303 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2304 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2305 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2306 umuldi3_highpart_rex64, umulsi3_highpart_insn,
2307 umulsi3_highpart_zext, smuldi3_highpart_rex64,
2308 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2309 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2310 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2311 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2312 sqrtextenddfxf2_i387): Added amdfam10_decode.
2314 * config/i386/athlon.md (athlon_idirect_amdfam10,
2315 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2316 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2317 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2318 athlon_ivector_store_amdfam10): New define_insn_reservation.
2319 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2322 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2324 * config/i386/athlon.md (athlon_call_amdfam10,
2325 athlon_pop_amdfam10, athlon_lea_amdfam10): New
2326 define_insn_reservation.
2327 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2328 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2329 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2331 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2333 * config/i386/athlon.md (athlon_sseld_amdfam10,
2334 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2335 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2337 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2339 * config/i386/athlon.md (athlon_sseins_amdfam10): New
2340 define_insn_reservation.
2341 * config/i386/i386.md (sseins): Added sseins to define_attr type
2342 and define_attr unit.
2343 * config/i386/sse.md: Set type attribute to sseins for insertq
2346 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2348 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2349 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2350 ssecomi_load_amdfam10, ssecomi_amdfam10,
2351 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2352 define_insn_reservation.
2353 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2355 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2357 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2358 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2359 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2360 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2361 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2362 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2363 define_insn_reservation.
2365 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2366 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2367 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2368 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2369 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2371 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2373 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2374 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2375 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2376 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2377 athlon_ssemul_load_k8): Added amdfam10.
2379 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2381 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2382 (x86_sse_unaligned_move_optimal): New variable.
2384 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2386 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2387 for unaligned vector SSE double/single precision loads for AMDFAM10.
2389 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2391 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2392 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2393 Define TARGET_CPU_DEFAULT_amdfam10.
2394 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2395 (processor_type): Add PROCESSOR_AMDFAM10.
2397 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2398 processor_type in config/i386/i386.h.
2399 Enable imul peepholes for TARGET_AMDFAM10.
2401 * config.gcc: Add support for --with-cpu option for amdfam10.
2403 * config/i386/i386.c (amdfam10_cost): New variable.
2404 (m_AMDFAM10): New macro.
2405 (m_ATHLON_K8_AMDFAM10): New macro.
2406 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2407 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2408 x86_promote_QImode, x86_integer_DFmode_moves,
2409 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2410 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2411 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2412 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2413 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2414 Enable/disable for amdfam10.
2415 (override_options): Add amdfam10_cost to processor_target_table.
2416 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2417 processor_alias_table.
2418 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2419 (ix86_adjust_cost): Add code for amdfam10.
2421 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2423 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2424 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2425 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2426 * config/i386/i386.h: Add builtin definition for SSE4A.
2427 * config/i386/i386.md: Add support for ABM instructions
2429 * config/i386/sse.md: Add support for SSE4A instructions
2430 (movntss, movntsd, extrq, insertq).
2431 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2432 Add -march=amdfam10 flag.
2433 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2434 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2436 * doc/extend.texi: Add documentation for SSE4A builtins.
2438 2007-02-05 Bob Wilson <bob.wilson@acm.org>
2440 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2442 2007-02-05 Richard Guenther <rguenther@suse.de>
2444 * tree-vectorizer.h (vectorizable_function): Add argument type
2445 argument, change return type.
2446 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2447 * tree-vect-transform.c (vectorizable_function): Handle extra
2448 argument, return vectorized function decl.
2449 (build_vectorized_function_call): Remove.
2450 (vectorizable_call): Handle calls with result and argument types
2451 differing. Handle loop vectorization factor correctly.
2452 * targhooks.c (default_builtin_vectorized_function): Adjust for
2454 * targhooks.h (default_builtin_vectorized_function): Likewise.
2455 * target.h (builtin_vectorized_function): Add argument type
2457 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2458 extra argument, allow vectorizing of lrintf.
2459 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2460 documentation of target hook.
2462 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
2465 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2466 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2467 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2469 2007-02-05 Roger Sayle <roger@eyesopen.com>
2471 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2472 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2473 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2474 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2475 before canonicalizing sincos to cexpi.
2476 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2478 2007-02-05 Roger Sayle <roger@eyesopen.com>
2480 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2481 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2482 (alpha_init_builtins): Use alpha_add_builtins to process tables.
2484 2007-02-05 Roger Sayle <roger@eyesopen.com>
2486 * mips-tfile.c (initialize_init_file): Correct endianness test.
2488 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
2490 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2493 2007-02-05 Richard Sandiford <richard@codesourcery.com>
2495 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2496 saves in a PARALLEL before the register assignments.
2498 2007-02-05 Richard Sandiford <richard@codesourcery.com>
2500 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2501 DWARF_FRAME_RETURN_COLUMN to be a general register.
2502 * dwarf2out.c (init_return_column_size): New function, split from...
2503 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
2504 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2505 to be nongeneral registers.
2506 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2508 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2509 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2511 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2513 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2515 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2517 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2518 (remove_path): Use can_remove_branch_p and remove_branch instead
2519 of loop_delete_branch_edge.
2520 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2521 (tree_transform_and_unroll_loop): Remove dead branches immediately.
2522 Update profile using scale_dominated_blocks_in_loop.
2523 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2524 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2525 (can_remove_branch_p, remove_branch): Declare.
2526 * tree-cfg.c (tree_can_remove_branch_p): New function.
2527 (tree_cfg_hooks): Add tree_can_remove_branch_p.
2528 * cfgrtl.c (rtl_can_remove_branch_p): New function.
2529 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2531 2007-02-05 Jan Hubicka <jh@suse.cz>
2534 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2535 nodes in cgraph, don't remove offline copy of the function.
2537 2007-02-04 Jan Hubicka <jh@suse.cz>
2539 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2540 vectors might cause maybe_lookup_element_for_expr to be called
2541 on non-sra-candidate.
2543 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
2545 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2546 config/bfin/bfin.md, config/bfin/predicates.md: Follow
2547 spelling conventions.
2549 2007-02-04 Richard Guenther <rguenther@suse.de>
2552 * fold-const.c (try_move_mult_to_index): Make sure to not
2553 overflow one dimension of a multi-dimensional array access.
2555 2007-02-04 Jan Hubicka <jh@suse.cz>
2557 * passes.c (init_optimization_passes): Reindent.
2559 2007-02-04 Jan Hubicka <jh@suse.cz>
2560 Eric Botcazou <ebotcazou@adacore.com>
2562 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2563 (execute_fixup_cfg): Break out the abnormal goto code.
2564 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2565 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2566 (optimize_inline_calls): Call make_nonlocal_label_edges.
2568 2007-02-04 Jan Hubicka <jh@suse.cz>
2570 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2571 true when something was changed.
2572 (rename_ssa_copies): When something was changed, do
2573 TODO_remove_unused_locals.
2574 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2575 add TODO_remove_unused_locals when instruction was removed.
2577 2007-02-04 Jan Hubicka <jh@suse.cz>
2579 * ipa-inline.c (try_inline): Improve debug output; work on already
2581 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2582 call try_inline for already inlined edges too when flattening;
2583 inline also functions that make callee growth but overall unit size
2586 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
2588 * config/m32c/bitops.md, config/m32c/jump.md,
2589 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2590 config/m32r/m32r.h, config/m32r/m32r.md,
2591 config/m32r/predicates.md, config/m68hc11/larith.asm,
2592 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2593 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2594 config/mips/mips-protos.h, config/mips/mips.c,
2595 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2596 config/mn10300/mn10300.h, config/mn10300/predicates.md,
2597 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2598 spelling conventions.
2600 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2601 Follow spelling conventions.
2603 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
2605 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2606 warn about C++0x compatibility.
2608 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
2610 * config/h8300/h8300.c, config/h8300/h8300.h,
2611 config/h8300/h8300.md: Follow spelling conventions.
2613 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
2616 * combine.c (try_combine): Do not substitute source operand
2617 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2619 2007-02-03 Jan Hubicka <jh@suse.cz>
2621 PR gcov-profile/30650
2622 * value-prof.c (stringop_block_profile): Fix handling of size counter;
2623 do not divide by zero for never executed counters.
2624 (tree_find_values_to_profile): Fix counters.
2625 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2627 2007-02-03 Ian Lance Taylor <iant@google.com>
2629 * lower-subreg.c (simple_move_operand): New static function,
2630 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
2632 (simple_move): Call simple_move_operand.
2633 (find_decomposable_subregs): Add special handling of MEMs.
2634 (can_decompose_p): Rename from cannot_decompose_p. Reverse
2635 meaning of return value. If we see a hard register, test whether
2636 it can store a word_mode value. Change all callers.
2638 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2640 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2641 ftrapv insns and expanders.
2642 (subdi3): Change define_expand operand 1 to arith11_operand, and
2643 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
2644 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
2645 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2649 * varasm.c (notice_global_symbol): Treat global objects as weak when
2652 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2654 * emit-rtl.c (dconstpi): Delete.
2656 (init_emit_once): Delete dconstpi and init dconstsqrt2.
2657 * real.h (dconstpi): Delete.
2659 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2660 (fold_builtin_hypot): Likewise.
2662 2007-02-03 Tom Tromey <tromey@redhat.com>
2665 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2666 -gcoff3, -gxcoff3, -gvms3 implies -dD.
2668 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
2670 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2671 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2672 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2673 config/rs6000/cell.md, config/rs6000/darwin.h,
2674 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2675 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2676 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2677 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2678 typos. Follow spelling conventions.
2679 * doc/invoke.texi: Follow spelling conventions.
2681 2007-02-03 Roger Sayle <roger@eyesopen.com>
2683 * simplify-rtx.c (simplify_relational_operation_1): Implement some
2684 canonicalization transformations that attempt to simplify integer
2685 constant comparisons to become comparisons against zero.
2687 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2689 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2691 * fold-const.c (fold_binary): Fix comment typos. Fold complex
2692 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
2694 2007-02-02 Mike Stump <mrs@apple.com>
2696 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2697 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2698 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2699 generate a branch island.
2701 2007-02-02 Bob Wilson <bob.wilson@acm.org>
2703 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2704 (xtensa_legitimate_address_p): New.
2705 (xtensa_legitimize_address): New.
2706 (xtensa_output_addr_const_extra): New.
2707 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2709 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2710 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2711 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2712 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2713 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2714 (xtensa_legitimize_address): New.
2715 (xtensa_output_addr_const_extra): New.
2717 2007-02-02 Steve Ellcey <sje@cup.hp.com>
2719 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2721 2007-02-02 Ian Lance Taylor <iant@google.com>
2723 * expmed.c (expand_divmod): Add comment.
2725 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
2727 * emit-rtl.c (renumber_insns): Remove.
2728 * flags.h: Remove the extern for flag_renumber_insns.
2729 * rtl.h: Remove the prototype for renumber_insns.
2730 * toplev.c (flag_renumber_insns): Remove.
2732 2007-02-02 Hui-May Chang <hm.chang@apple.com>
2734 Revert for x86 darwin:
2735 2005-06-19 Uros Bizjak <uros@kss-loka.si>
2737 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2738 code before the following patch under TARGET_MACHO.
2739 (ix86_function_value_regno_p): Likewise.
2741 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2743 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2746 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2749 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2750 general or fp registers. Add comments.
2751 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2753 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
2755 * pointer-set.c (insert_aux): Only return insertion slot.
2756 (pointer_set_insert): Adjust.
2757 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
2758 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
2759 pointer_map_traverse): New.
2760 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
2761 pointer_map_create, pointer_map_destroy, pointer_map_insert,
2762 pointer_map_contains, pointer_map_traverse): Declare.
2764 2007-02-02 Jakub Jelinek <jakub@redhat.com>
2767 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2768 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
2770 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2772 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
2774 (struct _dep): New type.
2775 (dep_t): New typedef.
2776 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
2777 (DEP_STATUS): New access macro. The macro with the same name was
2778 renamed to DEP_LINK_STATUS.
2779 (dep_init): Declare function
2781 (struct _dep_link): New type.
2782 (dep_link_t): New typedef.
2783 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
2784 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
2785 (DEP_LINK_STATUS): New macro.
2786 (debug_dep_links): New debug function.
2788 (struct _deps_list): New type.
2789 (deps_list_t): New typedef.
2790 (DEPS_LIST_FIRST): New access macro.
2791 (FOR_EACH_DEP_LINK): New cycle macro.
2792 (create_deps_list, free_deps_list, delete_deps_list): Declare
2794 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
2795 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
2796 (copy_deps_list_change_con): Ditto.
2798 (move_dep_link): Declare function.
2800 (struct _dep_node): New type.
2801 (dep_node_t): New typedef.
2802 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
2804 (struct haifa_insn_data.back_deps): New field to hold backward
2805 dependencies of the insn.
2806 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
2808 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
2809 Change its type to deps_list_t.
2810 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
2811 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
2812 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
2814 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
2816 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
2818 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
2820 (dep_cost): Declare.
2822 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
2823 (ds_to_dk, dk_to_ds): New functions.
2825 (init_dep_1): New static function.
2826 (init_dep): New function.
2827 (copy_dep): New static function.
2829 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
2831 (detach_dep_link): New static function.
2832 (move_dep_link): New function.
2834 (dep_links_consistent_p, dump_dep_links): New static functions.
2835 (debug_dep_links): New debugging function.
2837 (deps_obstack, dl_obstack, dn_obstack): New static variables.
2839 (alloc_deps_list, init_deps_list): New static functions.
2840 (create_deps_list): New function.
2841 (clear_deps_list): New static function.
2842 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
2843 (deps_list_consistent_p, dump_deps_list): New static functions.
2844 (debug_deps_list): New function.
2845 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
2847 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
2849 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
2850 use new scheduler dependencies lists.
2851 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
2852 (sched_analyze): Ditto. Initialize dependencies lists.
2853 (add_forw_dep, compute_forward_dependences): Update to use new
2854 scheduler dependencies lists.
2856 (init_dependency_caches): Init deps_obstack.
2857 (free_dependency_caches): Free deps_obstack.
2859 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
2860 new scheduler dependencies lists.
2861 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
2862 (add_back_forw_dep, delete_back_forw_dep): Ditto.
2864 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
2865 Update to use new scheduler dependencies lists.
2866 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
2867 (debug_dependencies): Ditto.
2868 (schedule_region): Update comments.
2870 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
2871 scheduler dependencies lists.
2872 (schedule_ebb): Update comments.
2874 * rtl.def (DEPS_LIST): Remove.
2876 * lists.c (unused_deps_list): Remove.
2877 (free_list): Update assertions.
2879 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
2880 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2882 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
2883 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2885 * haifa-sched.c (comments): Update.
2886 (insn_cost1): Remove. Inline the code into insn_cost ().
2887 (insn_cost): Update to use new scheduler dependencies lists. Move
2888 processing of the dependency cost to dep_cost ().
2889 (dep_cost): New function. Use it instead of insn_cost () when
2890 evaluating cost of the dependency. Use compatible interface to
2891 interact with the target.
2892 (priority): Update to use new scheduler dependencies lists.
2893 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
2894 with greater number of insns that depend on the insn.
2895 (schedule_insn): Update to use new scheduler dependencies lists. Add
2896 code to free backward dependencies lists. Inline and optimize code
2897 from resolve_dep () - see PR28071.
2898 (ok_for_early_queue_removal): Update to use new scheduler dependencies
2899 lists. Update call to targetm.sched.is_costly_dependence hook.
2901 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
2902 scheduler dependencies lists.
2904 (resolve_dep): Remove. Move the logic to schedule_insn ().
2905 (init_h_i_d): Initialize dependencies lists.
2907 (process_insn_depend_be_in_spec): Rename to
2908 process_insn_forw_deps_be_in_spec. Update to use new scheduler
2910 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
2911 Update to use new scheduler dependencies lists.
2912 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
2914 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
2915 new scheduler dependencies lists.
2916 (build_intra_loop_deps): Ditto.
2918 * target.h (struct _dep): Declare to use in
2919 gcc_target.sched.is_costly_dependence.
2920 (struct gcc_target.sched.adjust_cost): Fix typo.
2921 (struct gcc_target.sched.is_costly_dependence): Change signature to use
2922 single dep_t parameter instead of an equivalent triad.
2923 (struct gcc_target.sched.adjust_cost_2): Remove.
2925 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
2927 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
2929 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
2931 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
2933 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
2934 (REG_DEP_TRUE): Document.
2936 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
2937 Change signature to correspond to the targetm.sched.adjust_cost hook.
2938 Update use in TARGET_SCHED_ADJUST_COST_2.
2939 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
2940 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
2941 new scheduler dependencies lists.
2942 (ia64_gen_check): Ditto.
2944 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
2947 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
2948 signature to correspond to the targetm.sched.is_costly_dependence hook.
2949 (is_costly_group): Update to use new scheduler dependencies lists.
2951 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
2952 instead of INSN_COST () macro.
2954 2007-02-01 Ian Lance Taylor <iant@google.com>
2956 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
2958 2007-02-01 Guy Martin <gmsoft@gentoo.org>
2960 * pa.md (tp_load): Correct mfctl instruction syntax.
2962 2007-02-01 Geoffrey Keating <geoffk@apple.com>
2964 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
2965 altivec_padding_size calculation on AIX. Improve comment, add
2966 assert to verify that it's right.
2968 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
2971 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
2974 * global.c (global_alloc): Add mising initialization of
2977 2007-02-01 Roger Sayle <roger@eyesopen.com>
2979 * alias.c (init_alias_analysis): Correct whitespace.
2980 * bb-reorder.c (fix_edges_for_rarely_executed_code,
2981 partition_hot_cold_basic_blocks): Likewise.
2982 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2983 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
2984 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2985 fold_builtin_snprintf_chk, fold_builtin_printf,
2986 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
2987 do_mpfr_arg3, do_mpfr_sincos): Likewise.
2988 * cfgcleanup.c (cleanup_cfg): Likewise.
2989 * cfgexpand.c (tree_expand_cfg): Likewise.
2990 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
2991 * function.c (get_next_funcdef_no): Likewise.
2992 * gengtype.c (main): Likewise.
2993 * genmodes.c (main): Likewise.
2994 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
2995 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
2996 * ifcvt.c (noce_emit_move_insn): Likewise.
2997 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
2999 * stor-layout.c (get_best_mode): Likewise.
3000 * tree-ssa-loop-niter.c (get_val_for): Likewise.
3001 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3002 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3003 perform_var_substitution, solve_graph): Likewise.
3004 * tree-vrp.c (vrp_finalize): Likewise.
3006 2007-02-01 Ian Lance Taylor <iant@google.com>
3008 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3009 high part of a paradoxical subreg, return a constant zero.
3011 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
3013 * toplev.c (lang_dependent_init): Call init_set_costs.
3014 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3016 2007-02-01 Richard Guenther <rguenther@suse.de>
3019 * fold-const.c (fold_negate_expr): Allow negating a
3020 constant if overflow does not change.
3022 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3024 * doc/c-tree.texi (Expression trees): Improve markup.
3025 * doc/tm.texi (Register Classes, Addressing Modes)
3026 (Floating Point): Fix spacing after abbreviations. Fix some
3029 2007-02-01 Ben Elliston <bje@au.ibm.com>
3031 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3032 * doc/contrib.texi: Likewise.
3033 * doc/install.texi: Likewise.
3035 2007-01-31 Richard Henderson <rth@redhat.com>
3036 Ian Lance Taylor <iant@google.com>
3038 * lower-subreg.c: New file.
3039 * rtl.def (CONCATN): Define.
3040 * passes.c (init_optimization_passes): Add pass_lower_subreg and
3042 * emit-rtl.c (update_reg_offset): New static function, broken out
3043 of gen_rtx_REG_offset.
3044 (gen_rtx_REG_offset): Call update_reg_offset.
3045 (gen_reg_rtx_offset): New function.
3046 * regclass.c: Revert patch of 2006-03-05, restoring
3048 (clear_reg_info_regno): New function.
3049 * dwarf2out.c (concatn_loc_descriptor): New static function.
3050 (loc_descriptor): Handle CONCATN.
3051 * common.opt (fsplit_wide_types): New option.
3052 * opts.c (decode_options): Set flag_split_wide_types when
3054 * timevar.def (TV_LOWER_SUBREG): Define.
3055 * rtl.h (gen_reg_rtx_offset): Declare.
3056 (reg_scan_update): Declare.
3057 * regs.h (clear_reg_info_regno): Declare.
3058 * tree-pass.h (pass_lower_subreg): Declare.
3059 (pass_lower_subreg2): Declare.
3060 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3061 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
3063 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3064 * Makefile.in (OBJS-common): Add lower-subreg.o.
3065 (lower-subreg.o): New target.
3067 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
3069 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3071 2007-01-31 Anatoly Sokolov <aesok@post.ru>
3074 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3076 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3079 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3081 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
3083 * cfgloop.h: Include vec-prim.h.
3084 (enum li_flags): Remove LI_ONLY_OLD.
3085 (loop_iterator): Changed.
3086 (fel_next, fel_init): Iterate over loop tree.
3087 (FOR_EACH_LOOP_BREAK): New macro.
3088 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3090 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3091 * modulo-sched.c (sms_schedule): Ditto.
3092 * tree-vectorizer.c (vectorize_loops): Ditto.
3093 * doc/loop.texi: Update information on loop numbering and behavior of
3094 FOR_EACH_LOOP wrto new loops.
3095 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3096 add_to_evolution_1): Test nestedness of loops instead of comparing
3098 * tree-chrec.c (chrec_fold_plus_poly_poly,
3099 chrec_fold_multiply_poly_poly, chrec_evaluate,
3100 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3101 reset_evolution_in_loop): Ditto.
3102 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3104 2007-01-31 Dirk Mueller <dmueller@suse.de>
3106 * c-common.c (warn_about_parentheses): Separate warning about
3107 un-parenthized sequence of comparison operators from the one
3108 which is supposed to warn about x <= y <= z.
3110 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
3112 * optabs.h (enum optab_index): Add new OTI_isinf.
3113 (isinf_optab): Define corresponding macro.
3114 * optabs.c (init_optabs): Initialize isinf_optab.
3115 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3117 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3118 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3120 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3121 expand_builtin_interclass_mathfn.
3122 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3123 * config/i386/i386.md (UNSPEC_FXAM): New constant.
3124 (fxam<mode>2_i387): New insn pattern.
3125 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3126 built-in functions as x87 inline asm.
3128 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
3130 * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3132 2007-01-30 Eric Christopher <echristo@apple.com>
3134 * config.gcc: Add geode.
3136 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
3138 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3139 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3140 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3141 value-prof.c: Fix comment typos.
3143 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3146 * doc/invoke.texi (Wpointer-arith): Document warning.
3148 2007-01-30 Janis Johnson <janis187@us.ibm.com>
3150 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3151 the list of discrepancies from the draft TR.
3153 2007-01-30 Dirk Mueller <dmueller@suse.de>
3156 * doc/invoke.texi (-Wreturn-type): Update description to
3159 2007-01-30 Richard Sandiford <richard@codesourcery.com>
3161 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3163 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
3165 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3166 to handle optabs that operate on floating point input argument and
3167 output to integer output.
3168 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3169 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3170 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3171 expand_builtin_interclass_mathfn ().
3172 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3174 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3175 ilogbl built-in functions as x87 intrinsics.
3177 2007-01-30 Richard Guenther <rguenther@suse.de>
3180 * dwarf2out.c (reference_to_unused): Query varpool if the
3181 variable was output.
3183 2007-01-30 Richard Guenther <rguenther@suse.de>
3186 * passes.c (execute_one_pass): Reset in_gimple_form to not
3187 confuse non-unit-at-a-time mode.
3189 2007-01-29 Roger Sayle <roger@eyesopen.com>
3190 Richard Guenther <rguenther@suse.de>
3192 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3193 avoid undefined behaviour on overflow. Use force_fit_type_double
3194 to construct the constant with the specified TREE_OVERFLOW.
3196 2007-01-29 Janis Johnson <janis187@us.ibm.com>
3198 * config/dfp-bit.c: Add parameterized support for fp exceptions.
3199 * config/dfp-bit.h: Ditto.
3201 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3203 * c-decl.c (pop_scope): Replace warnings with call to
3204 warn_for_unused_label.
3205 * c-common.h (warn_for_unused_label): Declare.
3206 * c-common.c (warn_for_unused_label): Define.
3208 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3210 * tree-optimize.c (update_inlined_to_pointers): Delete unused
3213 2007-01-29 Janis Johnson <janis187@us.ibm.com>
3215 * Makefile.in (USER_H): Remove decfloat.h.
3216 * ginclude/decfloat.h: Delete, moving contents to ...
3217 * ginclude/float.h: Add support for decimal floating point,
3218 guarded by __STDC_WANT_DEC_FP__.
3220 2007-01-29 Mike Stump <mrs@apple.com>
3222 * doc/gccint.texi (Top): Rename Loop Representation to Loop
3223 Analysis and Representation to resolve case insensitive conflict.
3224 * doc/loop.texi (Loop Analysis and Representation): Likewise.
3226 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
3228 * tree.h (struct tree_memory_tag): Add aliases member.
3229 (MTAG_ALIASES): New macro.
3230 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3231 (add_may_alias): Remove pointer-set. Update for may_aliases being
3233 (mark_aliases_call_clobbered): Update for may_aliases being a
3235 (compute_tag_properties): Ditto.
3236 (create_partition_for): Ditto.
3237 (compute_memory_partitions): Ditto.
3238 (dump_may_aliases_for): Ditto.
3239 (is_aliased_with): Ditto.
3240 (add_may_alias_for_new_tag): Ditto.
3241 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3242 (compute_is_aliased): New function.
3243 (compute_may_aliases): Call compute_is_aliased).
3244 (init_alias_info): Initialize alias_bitmap_obstack.
3245 (union_alias_set_into): New function.
3246 (compute_flow_sensitive_aliasing): Use union_aliases_into.
3247 (have_common_aliases_p): Rewrite to take two bitmaps and use
3249 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3251 (finalize_ref_all_pointers): Update for add_may_alias changes.
3252 (new_type_alias): Ditto.
3253 * tree-flow-inline.h (may_aliases): Return a bitmap.
3254 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3255 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3256 may_aliases being a bitmap.
3257 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3258 may_aliases now returns a bitmap.
3259 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3261 * tree-ssa-operands.c (add_virtual_operand): Update for
3262 may_aliases being a bitmap.
3264 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
3266 PR tree-optimization/30630
3267 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3268 variable as changed.
3270 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
3273 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3274 expanded only once even if an error occurs.
3276 2007-01-29 Ben Elliston <bje@au.ibm.com>
3278 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3279 (__gcov_average_profiler): Likewise.
3280 (__gcov_ior_profiler): Likewise.
3281 (__gcov_merge_ior): Likewise.
3283 2007-01-28 Jan Hubicka <jh@suse.cz>
3285 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3286 * value-prof.c (stringop_block_profile): Likewise.
3288 2007-01-28 Jan Hubicka <jh@suse.cz>
3290 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3291 variant handling histograms; add wrapper.
3292 (clear_storage_via_libcall): Export.
3293 (emit_block_move_hints): Break out from ...; add histograms.
3294 (emit_block_move): ... this one.
3295 (clear_storage_hints): Break out from ...; add histograms.
3296 (clear_storage): ... this one.
3297 (set_storage_via_memset): Handle histogram.
3298 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3299 (clear_storage_hints, clear_storage_via_libcall): Declare.
3300 (set_storage_via_setmem): Update prototype.
3301 * doc/md.texi (movmem, setmem): Document new arguments.
3303 * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3305 (stringop_block_profile): New global function.
3306 (tree_stringops_values_to_profile): Profile block size and alignment.
3307 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3309 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3310 (stringop_block_profile): Declare.
3311 * builtins.c: Include value-prof.h.
3312 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3313 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3314 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3315 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3316 * profile.c (instrument_values): Add new counters.
3317 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3319 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3320 (tree_init_edge_profiler): Build new profilers.
3321 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3322 (pass_tree_profile): Add dump.
3323 (tree_profile_hooks): Update.
3324 * Makefile.in (LIBGCOV): Add new constants.
3325 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3326 __gcov_ior_profiler): New.
3327 * i386.md (movmem/setmem expanders): Add new optional arguments.
3329 2007-01-28 David Edelsohn <edelsohn@gnu.org>
3331 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3333 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
3335 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3336 (tree_unswitch_single_loop): Pass eni_size_weights to
3337 tree_num_loop_insns.
3338 * tree-ssa-loop-manip.c: Include tree-inline.h.
3339 (can_unroll_loop_p): Pass eni_size_weights to
3340 tree_num_loop_insns.
3341 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3342 Pass eni_size_weights to estimate_num_insns.
3343 * tree.h (init_inline_once): Export.
3344 * toplev.c (backend_init): Call init_inline_once.
3345 * cgraphunit.c (cgraph_process_new_functions,
3346 cgraph_analyze_function): Pass eni_inlining_weights to
3348 * ipa-inline.c (compute_inline_parameters): Ditto.
3349 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3350 to estimate_num_insns.
3351 (try_unroll_loop_completely): Pass eni_size_weights to
3352 tree_num_loop_insns.
3353 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3354 ot estimate_num_insns.
3355 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3356 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3357 * tree-inline.c (eni_inlining_weights, eni_size_weights,
3358 eni_time_weights): New variables.
3359 (init_inline_once): Initialize them.
3360 (struct eni_data): Mew.
3361 (estimate_num_insns_1, estimate_num_insns): Use weights.
3362 * tree-inline.h (struct eni_weights_d): New.
3363 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3364 (estimate_num_insns): Declaration changed.
3365 * cfgloop.h (tree_num_loop_insns): Declaration changed.
3366 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3367 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3369 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
3371 * tree-data-ref.c (conflict_fn): Assert that the number of affine
3372 relations in the conflict function is valid.
3374 2007-01-27 Ian Lance Taylor <iant@google.com>
3376 * common.opt: Add fstrict-overflow.
3377 * opts.c (decode_options): Set flag_strict_overflow if -O2.
3378 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3379 (TYPE_OVERFLOW_UNDEFINED): Define.
3380 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
3382 * tree.h (TYPE_TRAP_SIGNED): Don't define.
3383 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3384 (fold_negate_expr): Likewise.
3385 (make_range): Likewise.
3386 (extract_muldiv_1): Likewise.
3387 (maybe_canonicalize_comparison): Likewise.
3388 (fold_comparison): Likewise.
3389 (fold_binary): Likewise.
3390 (tree_expr_nonnegative_p): Likewise.
3391 (tree_expr_nonzero_p): Likewise.
3392 * tree-vrp.c (compare_values): Likewise.
3393 (extract_range_from_binary_expr): Likewise.
3394 (extract_range_from_unary_expr): Likewise.
3395 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3397 (nowrap_type_p): Likewise.
3398 * tree-scalar-evolution.c (simple_iv): Likewise.
3399 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3400 (build_range_check): Likewise.
3401 (extract_muldiv_1): Likewise.
3402 (fold_comparison): Likewise.
3403 * tree-vrp.c (vrp_int_const_binop): Likewise.
3404 (extract_range_from_unary_expr): Likewise.
3405 * convert.c (convert_to_integer): Likewise.
3406 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3407 (fold_comparison): Likewise.
3408 (fold_binary): Likewise.
3409 * optabs.c (optab_for_tree_code): Likewise.
3410 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3411 * simplify-rtx.c (simplify_const_relational_operation): Check
3412 flag_strict_overflow and flag_trapv.
3413 (simplify_const_relational_operation): Likewise.
3414 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3415 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
3418 2007-01-27 Roger Sayle <roger@eyesopen.com>
3420 * tree.c (tree_fold_gcd): Delete.
3421 * tree.h (tree_fold_gcd): Remove prototype.
3422 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3423 test whether one constant integer is a multiple of another. Instead
3424 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3425 * fold-const.c (multiple_of_p): We've determined both TOP and
3426 BOTTOM are integer constants so we can call int_const_binop directly
3427 instead of the more generic const_binop.
3429 2007-01-27 Roger Sayle <roger@eyesopen.com>
3431 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3432 1*X check that the constant hasn't overflowed, to preserve the
3434 (round_up): Provide an efficient implementation when rouding-up an
3435 INTEGER_CST to a power-of-two.
3437 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3439 * doc/sourcebuild.texi: Add comma for clarity.
3440 * doc/extend.texi: Fix some typos.
3441 * doc/passes.texi: Likewise.
3442 * doc/cppinternals.texi: Likewise.
3443 * doc/c-tree.texi: Likewise.
3444 * doc/tree-ssa.texi: Likewise.
3445 * doc/install.texi: Likewise.
3447 2007-01-27 Jan Hubicka <jh@suse.cz>
3449 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3450 (pass_sra): Do not require alias information.
3451 * passes.c (init_optimization_passes): Add SRA
3453 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
3455 * tracer.c (rest_of_handle_tracer): We already cleaned
3456 up the CFG in tracer() so don't do it here again.
3457 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3458 cleanup_cfg here, either. And don't call renumber_insns.
3460 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3461 and BB_HEAD are in the insn stream here. Instead make sure
3462 that BB_INSN is valid on all insns. Also, do check here that
3463 there are no pending branch predictions...
3464 (rtl_verify_flow_info): ...instead of doing it here. Checks
3465 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3468 2007-01-26 Roger Sayle <roger@eyesopen.com>
3470 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3471 function to simplify/factorize operand order canonicalization.
3472 (ix86_fixup_binary_operands): Reorganize using the above function.
3473 (ix86_binary_operator_ok): Likewise.
3475 2007-01-27 Jakub Jelinek <jakub@redhat.com>
3477 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3478 file scope from optimize_attrs.
3479 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3481 (optimize_attrs): Clear insn_code_values after freeing it.
3483 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
3485 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3486 a parts.base assignment.
3488 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
3490 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3491 (compute_subscript_distance, initialize_data_dependence_relation,
3492 finalize_ddr_dependent, analyze_ziv_subscript,
3493 analyze_siv_subscript_cst_affine,
3494 compute_overlap_steps_for_affine_univar,
3495 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3496 analyze_siv_subscript, analyze_miv_subscript,
3497 analyze_overlapping_iterations, subscript_dependence_tester_1,
3498 compute_self_dependence, free_dependence_relation): Work
3499 with affine_fn instead of chrecs.
3500 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3501 common_affine_function, affine_function_base,
3502 affine_function_constant_p, affine_fn_op, affine_fn_plus,
3503 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3504 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3505 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3506 (all_chrecs_equal_p): Removed.
3507 * tree-data-ref.h (affine_fn, conflict_function): New types.
3508 (struct subscript): Change type of conflicting_iterations_in_a
3509 and conflicting_iterations_in_b.
3511 2007-01-26 Steve Ellcey <sje@cup.hp.com>
3514 * config/pa/pa.h (TARGET_HPUX_11): New.
3515 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3516 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3518 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
3519 Richard Guenther <rguenther@suse.de>
3521 * tree-ssa-structalias.c (solve_graph): Handle case
3522 we merged the variable to another.
3524 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3526 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3529 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3530 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3532 2007-01-25 DJ Delorie <dj@redhat.com>
3534 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3535 allow changes to modes which don't fit in those registers.
3537 * reload1.c (choose_reload_regs): Check for invalid subregs before
3538 computing their locations, not after.
3540 2007-01-25 Geoffrey Keating <geoffk@apple.com>
3543 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3544 save Altivec registers in an eh_return function.
3545 (compute_vrsave_mask): Likewise.
3546 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3547 for saving Altivec registers.
3548 (rs6000_emit_prologue): Don't allocate stack twice in
3549 eh_return function. Correct expected value of altivec_save_offset
3550 when using save_world. Describe save of R0 to stack when using
3551 save_world. Describe stack pointer adjustment when using
3552 save_world. Remove duplicated eh_return parameter register saving.
3553 Update sp_offset variable after save_world.
3554 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3556 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3557 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3560 2007-01-25 Steve Ellcey <sje@cup.hp.com>
3562 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3564 2007-01-25 Steve Ellcey <sje@cup.hp.com>
3567 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3568 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
3570 2007-01-25 Richard Guenther <rguenther@suse.de>
3572 * doc/invoke.texi (-Wcoverage-mismatch): Document.
3573 * common.opt (-Wcoverage-mismatch): New warning option.
3574 * coverage.c (get_coverage_counts): Ignore coverage mismatch
3575 if -Wcoverage-mismatch is given.
3577 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
3579 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3580 (ipcp_driver): Change to static definition.
3581 Add dumping of the ifunctions.
3582 (constant_val_insert): Remove unused parameter. Support for SSA.
3583 (ipcp_propagate_const): Support for SSA.
3584 (ipcp_profile_bb_print): Print only analyzed nodes.
3585 (ipcp_replace_map_create): Remove support for Fortran constant
3587 * ipa-prop.c (ipa_method_modify_stmt,
3588 ipa_callsite_compute_param): Support for SSA.
3589 * ipa-prop.h (ipcp_driver): Remove declaration.
3590 (IS_VALID_TREE_MAP_INDEX): Add define.
3592 2007-01-24 Geoffrey Keating <geoffk@apple.com>
3594 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3596 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3599 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3600 constant argument to cabs and do it without checking for
3601 -funsafe-math-optimizations.
3603 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
3605 * c-common.h (RID_FIRST_CXX0X): New.
3606 (RID_LAST_CXX0X): New.
3607 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3609 * c.opt (Wc++0x-compat): New.
3610 * doc/invoke.texi (-Wc++0x-compat): Document.
3612 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3614 * builtins.c (fold_builtin_carg): New.
3615 (fold_builtin_1): Use it.
3617 2007-01-24 Jan Hubicka <jh@suse.cz>
3619 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3621 * ipa-inline.c (initial_insns, max_insns): Delete.
3622 (compute_max_insns): New function.
3623 (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3624 of insns as base for code growth.
3625 (cgraph_decide_inlining): Make initial_insns local; do not compute
3627 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3628 * doc/invoke.texi (inline-unit-growth): Update docs.
3630 2007-01-24 Jakub Jelinek <jakub@redhat.com>
3632 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3633 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3634 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3635 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
3636 for CPUs that have PTA_CX16 set.
3639 * gimplify.c (omp_check_private): New function.
3640 (gimplify_scan_omp_clauses): Use it for
3641 firstprivate/lastprivate/reduction.
3644 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3645 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3648 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3649 If lower_lastprivate_clauses emits some statements, append them
3650 to dlist rather than body_p and to body_p append an initializer.
3651 (lower_omp_for): Adjust caller.
3653 2007-01-24 Steve Ellcey <sje@cup.hp.com>
3655 * target.h (globalize_decl_name): New.
3656 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3657 * output.h (default_globalize_decl_name): New.
3658 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3660 (globalize_decl): Ditto.
3661 (default_globalize_decl_name): New.
3662 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3663 (ia64_handle_version_id_attribute): New.
3664 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3665 (ia64_asm_output_external): Use globalize_decl_name instead
3667 * doc/extend.texi (version_id): New pragma.
3668 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3670 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
3672 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3673 _uleb128_t and _Unwind_SWord with _sleb128_t.
3674 * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3675 uw_frame_state_for, uw_update_context_1): Likewise.
3676 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3677 * unwind-pe.h (read_uleb128, read_sleb128,
3678 read_encoded_value_with_base): Likewise.
3679 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3681 2007-01-24 Richard Guenther <rguenther@suse.de>
3683 * builtins.c (expand_builtin_cexpi): Get the fndecl
3684 for cexp in the correct way.
3686 2007-01-24 Jan Hubicka <jh@suse.cz>
3688 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3690 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
3692 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3693 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3694 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3695 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3696 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3697 __SIZEOF_PTRDIFF_T__.
3698 * doc/cpp.texi: Documentation for the new builtin macros added.
3700 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
3702 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
3703 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
3704 instead of operands[2] to avoid access past the end of array.
3706 2007-01-24 Richard Sandiford <richard@codesourcery.com>
3708 * reload1.c (emit_reload_insns): Pass the reload register
3709 for a non-spill output reload through forget_old_reloads_1.
3711 2007-01-23 Joseph Myers <joseph@codesourcery.com>
3713 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3714 _SOFT_DOUBLE if doubles use software floating-point.
3715 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
3716 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3717 * config/rs6000/darwin-ldouble.c: Also compile functions for
3718 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
3719 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3720 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
3721 commented-out long double override.
3722 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
3723 * config/rs6000/eabispe.h: Likewise.
3724 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
3725 long double for non-SPE.
3726 (rs6000_handle_option): Likewise.
3727 (invalid_e500_subreg): Disallow more subregs involding DImode,
3728 DFmode, TImode or TFmode.
3729 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
3731 (legitimate_lo_sum_address_p): Also check for TFmode for E500
3733 (rs6000_legitimize_address): Also handle TFmode for E500 double.
3734 (rs6000_legitimize_reload_address): Also handle TFmode for E500
3736 (rs6000_legitimate_address): Also check for TFmode for E500
3738 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
3739 (spe_build_register_parallel): Handle TFmode and TCmode.
3740 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
3742 (function_arg): Handle TFmode and TCmode for E500 double.
3743 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
3745 (print_operand): Handle TFmode and TImode for %y.
3746 (rs6000_generate_compare): Handle TFmode comparisons for E500
3748 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
3749 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
3750 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
3751 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
3752 TFmode for E500 double.
3753 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
3754 (floatsidf2): Enable for E500 double.
3755 (movtf_softfloat): Use rs6000_nonimmediate_operand.
3756 (extenddftf2): Change to extenddftf2_fprs.
3757 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
3758 depending on TARGET_E500_DOUBLE.
3759 (extendsftf2): Enable for E500 double.
3760 (trunctfdf2): Enable for E500 double.
3761 (trunctfsf2): Change to trunctfsf2_fprs.
3762 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
3763 depending on TARGET_E500_DOUBLE.
3764 (floatsitf2): Enable for E500 double.
3765 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
3766 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
3767 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
3768 (negtf2): Change to negtf2_internal.
3769 (negtf2): New expander.
3770 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
3771 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
3772 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
3773 (movdi_internal32): Use rs6000_nonimmediate_operand.
3774 (unnamed splitter): Likewise.
3775 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
3776 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
3777 (SPE64TF, DITI): New mode macros.
3778 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
3781 (frob_<mode>_di_2): New.
3782 (frob_tf_di_8_2): New.
3783 (frob_di_df): Change to frob_di_<mode>; allow more modes.
3785 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
3787 (frob_ti_<mode>_8_2): New.
3788 (frob_ti_tf_2): New.
3789 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
3790 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
3792 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
3793 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
3794 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
3795 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
3796 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
3797 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
3800 2007-01-23 Ian Lance Taylor <iant@google.com>
3802 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
3804 (OBJS-archive): Reformat, alphabetize.
3805 (OBJS): Change out_object_file to OBJS-md.
3807 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
3809 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
3810 JUMP_P and CALL_P predicates where applicable.
3811 * config/i386/i386.c: Ditto.
3812 * config/i386/i386.md: Ditto.
3813 * config/i386/mmx.md: Ditto.
3814 * config/i386/predicates.md: Ditto.
3816 2007-01-22 Andreas Schwab <schwab@suse.de>
3818 * config/m68k/m68k.h: Fix comment.
3820 2007-01-22 Jan Hubicka <jh@suse.cz>
3822 * passes.c (init_optimization_passes): Do not rerun
3823 pass_early_warn_uninitialized.
3825 2007-01-22 Richard Guenther <rguenther@suse.de>
3827 PR tree-optimization/30038
3828 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
3830 (execute_cse_sincos_1): Likewise.
3831 (execute_cse_sincos): Likewise.
3832 (gate_cse_sincos): Likewise.
3833 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
3834 the cexpi() canonicalization of sincos().
3835 * tree-pass.h (pass_cse_sincos): Declare.
3836 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
3838 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3840 PR rtl-optimization/29329
3841 * combine.c (replaced_rhs_insn): Rename to i2mod.
3842 (replaced_rhs_value): Rename to i2mod_new_rhs.
3843 (i2mod_old_rhs): New global variable.
3844 (combine_instructions): Adjust for above change. Save a copy of
3845 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
3846 note are substituted in the second instruction.
3847 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
3848 ditch the note if it pertains to the second eliminated register
3849 and this register is mentioned in i2mod_old_rhs.
3852 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3854 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3855 the insn to which the note was originally attached.
3857 2007-01-21 Jan Hubicka <jh@suse.cz>
3859 * ipa-inline.c (inlining_mode): Comment, move up.
3860 (cgraph_decide_inlining_incrementally): Do not perform inlining
3861 itself; fix handling of flattening of self recursive functions.
3862 (cgraph_find_cycles): Remove.
3863 (cgraph_flatten_node): Remove.
3864 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
3865 (try_inline): New function.
3866 (cgraph_early_inlining): Update call of
3867 cgraph_decide_inlining_incrementally. Apply inlining here.
3868 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
3870 2007-01-21 Dirk Mueller <dmueller@suse.de>
3873 * tree-vrp.c (check_array_bounds): do not warn
3874 about ADDR_EXPR's of ARRAY_REF's which are immediately
3875 used in binary expressions.
3877 2007-01-21 Ira Rosen <irar@il.ibm.com>
3879 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
3880 read_write_dep and macros for its access.
3881 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
3882 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
3883 argument, call vect_check_interleaving for every independent pair of
3884 data-refs. Mark loads that access the same memory location as a store
3886 (vect_check_dependences): Remove.
3887 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
3888 call, fix the call to vect_analyze_data_ref_dependence.
3889 (vect_analyze_data_ref_access): For statements that access the same
3890 data-ref, check that they are not stores; for loads, check that there
3891 is no store that access the same location.
3893 2007-01-20 Roger Sayle <roger@eyesopen.com>
3894 Joseph Myers <joseph@codesourcery.com>
3896 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
3897 (-fdump-rtl-stack): Likewise.
3898 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
3899 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
3900 (-mpt-fixed): Use @minus{} for minus sign.
3901 (Using Precompiled Headers): Fix under/overfull hbox.
3903 2007-01-20 Jan Hubicka <jh@suse.cz>
3905 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
3906 place within annotation.
3908 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3910 * pa.c (output_move_double): Change array size of xoperands to 4.
3912 2007-01-20 Jan Hubicka <jh@suse.cz>
3914 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
3917 2007-01-19 Ian Lance Taylor <iant@google.com>
3919 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
3920 constant to unsigned HOST_WIDE_INT before negating.
3922 2007-01-19 Ian Lance Taylor <iant@google.com>
3924 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
3926 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
3927 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3928 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
3929 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
3930 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3931 (realloc_vdef, realloc_vuse): Change second parameter to
3933 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
3935 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
3936 unsigned. Change x and lim locals to unsigned.
3937 (realloc_vdef, realloc_vuse): Change num_elem parameter to
3939 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
3940 (copy_virtual_operands): Change i and n locals to unsigned.
3942 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3945 * builtins.c (fold_builtin_1): Handle builtin fdim.
3947 2007-01-20 Jan Hubicka <jh@suse.cz>
3949 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
3950 * tree-ssa-structalias.c (compute_points_to_sets): Do call
3951 init_alias_heapvars.
3952 (init_alias_heapvars): Initialize only when not already initialized.
3953 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
3955 2007-01-19 Roger Sayle <roger@eyesopen.com>
3957 * common.opt (fsigned-zeros): New command line option.
3958 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
3959 of flag_unsafe_math_optimizations.
3960 * opts.c (set_fast_math_flags): The -ffast-math command line option
3961 implies -fno-signed-zeros.
3962 (fast_math_flags_set_p): Likewise.
3964 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
3965 the documentation of -ffast-math appropriately. Wrap long lines.
3967 2007-01-19 Steve Ellcey <sje@cup.hp.com>
3969 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
3970 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
3972 2007-01-19 Tomas Bily <tbily@suse.cz>
3974 * cgraphunit.c (cgraph_finalize_function): Updating of pid
3976 (tree_init_ic_make_global_vars): New function
3977 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
3978 (tree_gen_ic_profiler): New function
3979 (tree_gen_ic_func_profiler): New function
3980 (tree_profiling): Added calling of tree_gen_ic_func_profiler
3981 (tree_profile_hooks): Added hook for indirec/virtual calls
3982 * value-prof.c (tree_find_values_to_profile): New case for
3984 (tree_values_to_profile): Call for determining indirect/virtual
3986 (tree_indirect_call_to_profile): New function
3987 (tree_ic_transform): New function
3988 (tree_ic): New function
3989 (find_func_by_pid): New function
3990 (init_pid_map): New function
3991 (tree_value_profile_transformations): Added check for
3992 indirect/virtual call transformation
3993 * value-prof.h (enum hist_type): New counter type for
3994 indirect/virtual calls
3995 (profile_hooks): Added new hook for profiling indirect/virtual
3997 * profile.c (instrument_values): New case for indirect/virtual
3999 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
4000 (GCOV_COUNTER_V_INDIR): New counter type
4001 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
4002 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
4004 * cgraph.c: Definition of cgraph_max_pid
4005 (cgraph_create_node): Default init of pid attribute
4006 * cgraph.h: Declaration of cgraph_max_pid
4007 (struct cgraph_node): Added pid attribute
4008 * libgcov.c (__gcov_indirect_call_profiler): New function
4009 (__gcov_one_value_profiler_body): New function
4010 (__gcov_one_value_profiler): Body was moved to
4011 __gcov_one_value_profiler_body and calls it
4013 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
4015 * doc/gty.texi (Options): Document the mark_hook option to GTY.
4016 * gengtype.c (write_types_data, write_func_for_structure,
4017 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
4018 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
4019 (walk_type, write_func_for_structure): Generate the mark_hook if
4022 2007-01-19 Jan Hubicka <jh@suse.cz>
4024 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
4025 'early' argument take inlining mode argument specifying whether to
4026 inline for size/speeed or all functions; add support for flattening;
4028 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
4030 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4033 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
4034 the name of the declared identifier.
4036 2007-01-19 Dirk Mueller <dmueller@suse.de>
4038 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
4039 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
4040 duplicate evaluation.
4042 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
4044 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
4045 Macroize expander using X87MODEF12 mode macro. Extend operand 1
4046 to XFMode, use acosxf2 and truncate result to requested mode.
4047 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4048 (asin<mode>2): Similarly, with asin expanders.
4049 (*fscalexf4_i387): Rename from *fscalexf4.
4050 (expNcorexf3): New expander.
4051 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
4052 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
4053 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
4054 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
4055 patterns for SSE math.
4056 (exp10<mode>2): Similarly, with exp10 expanders.
4057 (exp2<mode>2): Similarly, with exp2 expanders.
4058 (expm1<mode>2): Similarly, with expm1 expanders.
4059 (ldexp<mode>3): Similarly, with ldexp expanders.
4060 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
4061 Use gen_truncxf<mode>2_i387_noop to truncate result.
4063 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4065 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
4066 for ColdFire targets.
4068 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
4069 Richard Sandiford <richard@codesourcery.com>
4071 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
4072 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
4073 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
4074 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
4075 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4076 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4078 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4080 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
4081 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
4082 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
4083 (*adddi_dilshr32_cf): New pattern.
4084 (adddi3, subdi3): Remove first alternatives.
4086 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4088 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
4089 implemented using move.l, do not use its cc result for floating-point
4092 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4094 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
4095 from accepting 's' constraints if flag_pic.
4097 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4099 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
4100 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
4101 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
4102 condition from TARGET_68881 to TARGET_HARD_FLOAT.
4104 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
4106 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
4107 ColdFire alternatives.
4108 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
4109 * config/m68k/m68k.md (clzsi2): Define for ColdFire
4110 architectures that support ff1 instruction.
4112 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4113 Julian Brown <julian@codesourcery.com>
4115 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
4116 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
4117 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
4120 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4122 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
4124 (output_move_const_into_data_reg, output_move_simode_const): Delete.
4125 * config/m68k/m68k.c (const_method, const_int_cost): Take a
4126 HOST_WIDE_INT instead of an rtx.
4127 (m68k_rtx_costs): Update call accordingly.
4128 (output_move_const_into_data_reg): Likewise. Fix formatting.
4129 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
4131 (output_move_simode_const): Update calls after above changes.
4132 Rework to use automatic variables and predicates like MEM_P.
4133 * config/m68k/m68k.md (pushexthisi_const): Update call to
4136 2007-01-19 Dirk Mueller <dmueller@suse.de>
4138 * tree-ssa-alias.c (perform_var_substitution): Fix typo
4141 2007-01-19 Richard Guenther <rguenther@suse.de>
4143 * builtins.c (expand_builtin_cexpi): Fall back to expanding
4144 via cexp in case sincos is not available.
4146 2007-01-19 Richard Guenther <rguenther@suse.de>
4148 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
4149 * defaults.h (TARGET_HAS_SINCOS): Default to off.
4150 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
4151 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
4152 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
4153 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
4154 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
4155 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
4157 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
4159 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
4161 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
4162 (atan2xf3): Directly generate RTL pattern.
4163 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
4164 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
4165 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
4166 disable patterns for SSE math.
4167 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
4168 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
4169 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
4170 disable patterns for SSE math.
4172 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
4174 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
4176 2007-01-18 Roger Sayle <roger@eyesopen.com>
4178 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
4179 VIEW_CONVERT_EXPR to the same type as it's operand.
4181 2007-01-18 David Edelsohn <edelsohn@gnu.org>
4183 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
4184 configured for long double 128.
4186 2007-01-18 Mike Stump <mrs@apple.com>
4188 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
4191 2007-01-18 Michael Meissner <michael.meissner@amd.com>
4193 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
4196 2007-01-18 Jan Hubicka <jh@suse.cz>
4198 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
4199 greater than NUM_VOP_FREE_BUCKETS.
4201 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
4203 * tree-ssa-structalias.c: Update comments.
4204 (ptabitmap_obstack): Removed.
4206 (oldpta_obstack): Ditto.
4207 (stats): Add a few members.
4208 (struct variable_info): Remove node, complex, address_taken, and
4209 indirect_target members. Add oldsolution member.
4210 (new_var_info): Do not initialize removed members.
4211 (constraint_expr_type): Remove INCLUDES.
4212 (constraint_graph): Add size, implicit_preds, rep,
4213 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
4214 (FIRST_REF_NODE): New macro.
4215 (LAST_REF_NODE): Ditto.
4216 (FIRST_ADDR_NODE): Ditto.
4217 (find): New function.
4219 (dump_constraint): Do not handle INCLUDES.
4220 (insert_into_complex): Do not insert duplicate constraints.
4221 (condense_varmap_nodes): Renamed and rewritten into ...
4222 (merge_node_constraints): This. Also fix bug in handling of
4223 offseted copy constraints.
4224 (clear_edges_for_node): No longer need to deal with preds at all,
4225 or removing associated preds/succs.
4226 (merge_graph_nodes): Deal with indirect_cycles.
4227 Don't deal with predecessors.
4228 (add_implicit_graph_edge): New function.
4229 (add_pred_graph_edge): Ditto.
4230 (add_graph_edge): Don't deal with predecessors.
4231 (build_constraint_graph): Removed.
4232 (build_pred_graph): New function.
4233 (build_succ_graph): Ditto.
4234 (struct scc_info): Removed in_component. Added roots, dfs, and
4235 node_mapping. Remove visited_index, unification_queue.
4236 (scc_visit): Deal with union-find we do now.
4237 Deal with cycles with REF nodes.
4238 (collapse_nodes): Renamed and rewritten to ...
4239 (unify_nodes): This.
4240 (process_unification_queue): Removed.
4241 (topo_visit): Cleanup
4242 (do_da_constraint): Use find.
4243 (do_sd_constraint): Ditto.
4244 (do_ds_constraint): Ditto.
4245 (do_complex_constraint): Ditto.
4246 (init_scc_info): Update for removed and added members.
4247 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
4248 (find_indirect_cycles): This.
4249 (equivalence_class): New variable.
4250 (label_visit): New function.
4251 (perform_variable_substitution): Rewritten.
4252 (free_var_substitution_info): New function.
4253 (find_equivalent_node): Ditto.
4254 (move_complex_constraints): Ditto.
4255 (eliminate_indirect_cycles): Ditto.
4256 (solve_graph): Only propagate changed bits.
4257 Use indirect cycle elimination.
4259 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
4260 (tree_id_eq): Renamed to ...
4261 (tree_vi_eq): This. Update for member change
4262 (insert_id_for_tree): Renamed and rewritten to ...
4263 (insert_vi_for_tree): This.
4264 (lookup_id_for_tree): Renamed and rewritten to ...
4265 (lookup_vi_for_tree): This.
4266 (get_id_for_tree): Renamed and rewritten to ...
4267 (get_vi_for_tree): Ditto.
4268 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
4269 (process_constraint): Don't handle INCLUDES.
4270 Remove special ADDRESSOF case.
4271 (find_func_aliases): Rewrite to use vi functions instead of id
4273 (create_function_info_for): Ditto.
4274 (create_variable_info_for): Ditto.
4275 (intra_create_variable_infos): Ditto.
4276 (merge_smts_into): Ditto.
4277 (find_what_p_points_to): Ditto.
4278 (init_base_vars): Ditto.
4279 (init_alias_vars): Ditto.
4280 (remove_preds_and_fake_succs): New function.
4281 (dump_sa_points_to_info): Dump new stats.
4282 (dump_solution_for_var): Use find.
4283 (set_used_smts): Fix formatting.
4284 (compute_points_to_sets): Updated for new functions.
4285 (ipa_pta_execute): Ditto.
4287 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
4288 Richard Sandiford <richard@codesourcery.com>
4290 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
4292 * calls.c (expand_call): If the return value is a PARALLEL,
4293 extract its first member.
4294 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
4295 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4296 use FUNCTION_EXTRA_EPILOGUE.
4297 (m68k_function_value): Return a PARALLEL if the return value
4298 is of a pointer type.
4299 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
4300 (FUNCTION_EXTRA_EPILOGUE): Remove.
4301 * config/m68k/m68k.md (D0_REG): New constant.
4303 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
4305 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4306 output a NOP for empty epilogues.
4308 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4310 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
4311 before function. Extend register save check to include all
4312 registers, not just integer ones.
4314 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
4316 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4317 (m68k_use_return_insn): ...this.
4318 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4319 * config/m68k/m68k.c (use_return_insn): Rename to...
4320 (m68k_use_return_insn): ...this.
4321 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4324 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
4326 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4327 nearest even, fix denormal rounding overflow.
4329 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4331 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4332 f%$smove and f%$move.
4333 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4334 (extendsfdf2_cf): Use fdmove instead of f%&move.
4335 (truncdfsf2_cf): Use fsmove instead of f%$smove.
4336 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4338 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4340 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4343 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4345 * real.h (real_format): Add a canonical_nan_lsbs_set field.
4346 (coldfire_single_format): Declare.
4347 (coldfire_double_format): Likewise.
4348 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4349 of qnan_msb_set to determine the lower bits of a canonical
4351 (encode_ieee_double): Likewise.
4352 (encode_ieee_quad): Likewise.
4353 (ieee_single_format): Initialize canonical_nan_lsbs_set.
4354 (mips_single_format): Likewise.
4355 (ieee_double_format): Likewise.
4356 (mips_double_format): Likewise.
4357 (ieee_extended_motorola_format): Likewise.
4358 (ieee_extended_intel_96_format): Likewise.
4359 (ieee_extended_intel_128_format): Likewise.
4360 (ieee_extended_intel_96_round_53_format): Likewise.
4361 (ibm_extended_format): Likewise.
4362 (mips_extended_format): Likewise.
4363 (ieee_quad_format): Likewise.
4364 (mips_quad_format): Likewise.
4365 (vax_f_format): Likewise.
4366 (vax_d_format): Likewise.
4367 (vax_g_format): Likewise.
4368 (i370_single_format): Likewise.
4369 (i370_double_format): Likewise.
4370 (decimal_single_format): Likewise.
4371 (decimal_double_format): Likewise.
4372 (decimal_quad_format): Likewise.
4373 (c4x_single_format): Likewise.
4374 (c4x_extended_format): Likewise.
4375 (real_internal_format): Likewise.
4376 (coldfire_single_format): New real_format.
4377 (coldfire_double_format): Likewise.
4378 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4379 canonical_nan_lsbs_set.
4380 (pdp11_d_format): Likewise.
4381 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4382 if TARGET_COLDFIRE_CPU.
4384 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4386 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4387 (output_call, m68k_legitimize_call_address): Declare.
4388 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4389 parenthesees. Add support for a 'W' constraint.
4390 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4391 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4392 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4393 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4395 (override_options): Initialize them. Do not set flag_no_function_cse
4396 for TARGET_ID_SHARED_LIBRARY.
4397 (m68k_output_pic_call): Delete.
4398 (m68k_legitimize_call_address): New function.
4399 (print_operand): Remove the %o prefix. Handle the %p prefix.
4400 (output_call): New function.
4401 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
4402 target address from the GOT if symbolic jumps are not allowed.
4403 * config/m68k/m68k.md (call, general_operand): Do not set
4404 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
4405 Merge separate flag_pic and !flag_pic define_insns into...
4406 (*call, *call_value): ...these new patterns. Match the address
4407 rather than the containing MEM and require it to be a call_operand.
4408 Use output_call to generate the asm template.
4409 * config/m68k/predicates.md (const_call_operand): New predicate.
4410 (call_operand): Likewise.
4412 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
4414 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4415 (STACK_GROWS_DOWNWARD): Define to 1.
4416 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4417 comments, emphasizing that these values are only defaults.
4418 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4419 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4421 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4423 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4425 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
4426 Richard Sandiford <richard@codesourcery.com>
4428 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4429 (FP_REGNO_P): New macros.
4430 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4431 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4432 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4433 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4435 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
4437 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4438 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4440 * config/m68k/t-floatlib: New file, extracting common code from...
4441 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4442 * config/m68k/t-uclinux: Here.
4443 * config/m68k/fpgnulib.c: Do not compile extendeed precision
4444 routines on ColdFire targets.
4446 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
4448 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4449 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4450 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4451 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4452 explicitly set MOTOROLA to 1.
4453 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4455 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4456 Nathan Sidwell <nathan@codesourcery.com>
4458 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4459 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4460 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4461 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4462 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4463 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4464 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4465 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4466 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4467 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4468 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4469 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4470 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4471 (DBX_REGISTER_NUMBER): Delete.
4472 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4473 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4474 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4476 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4478 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4479 * config/flat.h: New file.
4480 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4482 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4483 indirect references for -msep-data or -mid-shared-library.
4484 Do not use PC-relative code addresses either.
4485 * config/m68k/m68k.c (override_options): Restrict -fPIC error
4487 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
4488 for shared libraries and crt1.o for executables. Use crti.o and
4490 (ENDFILE_SPEC): Use crtend.o and crtn.o.
4491 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4492 Do not add -elf2flt or -shared-lib-id options here.
4493 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
4494 Pass -shared-lib-id if -mid-shared-library, taking the library
4495 identifier from -mshared-library-id if given, otherwise
4497 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4498 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4499 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4500 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4501 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4502 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4504 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4505 jump sequence for ISA A and ISA A+.
4506 (PICJUMP): Likewise.
4508 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4510 * config.gcc (m68k-*-uclinux*): Base the port on the common
4511 and m68k GNU/Linux files rather than on the generic ELF ones.
4512 * config/m68k/uclinux.h (TARGET_VERSION): Override.
4513 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4515 2007-01-18 Julian Brown <julian@codesourcery.com>
4516 Richard Sandiford <richard@codesourcery.com>
4518 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4519 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4520 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4522 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4524 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4526 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4528 * doc/install.texi: Document m68k-uclinuxoldabi.
4529 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4530 * config/m68k/uclinux-oldabi.h: New file, copied from
4531 config/m68k/uclinux.h.
4533 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
4535 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4536 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4537 (m32r_compute_frame_size): Use unsigned for regno.
4538 (m32r_reload_lr): Use gen_frame_mem.
4540 (m32r_output_function_epilogue): Don't output the function epilogue
4542 (m32r_expand_epilogue): New.
4543 (direct_return): Return false if the function has the interrupt
4545 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4546 * config/m32r/m32r.md (epilogue): New expander.
4547 (return_lr, return_rte): New insns.
4548 (return): Make it expander.
4549 (return_normal): New expander.
4551 2007-01-18 Josh Conner <jconner@apple.com>
4554 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4555 support for UNLE, UNLT, UNGE, and UNGT.
4557 2007-01-18 Jan Hubicka <jh@suse.cz>
4559 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4560 * tree-tailcall (add_virtual_phis): Likewise.
4561 (optimize_tail_call): Return TODOs.
4562 (execute_tail_calls): Return TODOs.
4563 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4564 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4566 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4567 Cleanup cfg using TODO.
4568 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4569 * passes.c (execute_function_todo): When cleanup did something, remove
4571 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4572 (make_edges): Don't cleanup_cfg.
4574 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
4576 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4577 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4578 operate on the top of stack.
4579 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4580 register handling of instructions that output to the second
4582 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4583 (move_for_stack_reg): Special-case check for dead destination
4584 stack slot for constant load of 1.0 inside UNSPEC_TAN.
4586 * config/i386/i386.md (UNSPEC_TAN): New constant.
4587 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4588 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4589 to correctly model move of constant 1.0 to top stack slot.
4590 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4591 (unnamed peephole2 pattern): Remove corresponding peephole2
4592 pattern that optimizes tan insn and loading of constant 1.0.
4593 (tanxf2): Use fptanxf4_i387.
4594 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4595 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
4596 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
4597 disable patterns for SSE math.
4598 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4599 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4601 2007-01-18 Dirk Mueller <dmueller@suse.de>
4602 Richard Guenther <rguenther@suse.de>
4605 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4606 * common.opt (Warray-bounds): Add new warning option.
4607 * c-opts.c (c_common_handle_option): Define -Warray-bounds
4609 * Makefile.in: make tree-vrp.o depend on toplev.h
4610 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4612 (check_array_refs, check_array_bounds, check_array_ref): New.
4614 2007-01-18 Jan Hubicka <jh@suse.cz>
4616 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4617 (execute_ssa_ccp): Return flags conditionally.
4618 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4620 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4622 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
4624 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4625 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4627 * Makefile.c (GTFILES): Add cfglayout.h.
4628 * gengtype.c (open_base_files): Likewise.
4629 * cfglayout.c (cfg_layout_function_footer,
4630 cfg_layout_function_header) Reindent to make gengtype happy.
4631 * cfglayout.h (cfg_layout_function_footer,
4632 cfg_layout_function_header): Add GTY(()) marker.
4634 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4636 2007-01-18 Ben Elliston <bje@au.ibm.com>
4638 * genautomata.c (write_automata): Include xstrerror output in the
4639 error message if writing the DFA description file fails.
4641 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
4643 * config/mips/mips-protos.h (mips_output_external): Make it
4645 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4646 * config/mips/mips.c (irix_output_external_libcall): Likewise.
4647 (extern_list): Likewise.
4648 (extern_head): Likewise.
4649 (TARGET_ASM_FILE_END): Likewise.
4650 (mips_file_end): Likewise.
4651 (mips_output_external): Rewritten.
4653 2007-01-18 Ben Elliston <bje@au.ibm.com>
4655 * genpreds.c (write_insn_preds_c): Only write out the function
4656 body for regclass_for_constraint if we have register constraints.
4658 2007-01-17 Tom Tromey <tromey@redhat.com>
4660 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
4661 * doc/install.texi (Testing): Use sourceware.org.
4662 (Binaries): Likewise.
4663 (Specific): Likewise.
4664 * doc/contrib.texi (Contributors): Use sourceware.org.
4666 2007-01-17 Anatoly Sokolov <aesok@post.ru>
4668 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
4669 (AVR_ENHANCED): Rename to ...
4670 (AVR_HAVE_MUL): ... new.
4671 (avr_enhanced_p): Rename to ...
4672 (avr_have_mul_p): ... new.
4673 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
4674 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
4675 * config/avr/avr.c (avr_enhanced_p): Rename to ...
4676 (avr_have_mul_p): ... new.
4677 (base_arch_s): Rename 'enhanced' to 'have_mul'.
4678 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
4679 'avr_enhanced_p' and 'enhanced'.
4680 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
4681 AVR_HAVE_MUL instead of AVR_ENHANCED.
4682 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4683 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
4684 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
4685 instead of AVR_ENHANCED.
4686 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4687 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
4688 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
4690 2007-01-17 Ian Lance Taylor <iant@google.com>
4692 * vec.h (VEC_reserve_exact): Define.
4693 (vec_gc_p_reserve_exact): Declare.
4694 (vec_gc_o_reserve_exact): Declare.
4695 (vec_heap_p_reserve_exact): Declare.
4696 (vec_heap_o_reserve_exact): Declare.
4697 (VEC_OP (T,A,reserve_exact)): New static inline function, three
4699 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
4701 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
4702 (VEC_OP (T,A,copy)) [all versions]: Likewise.
4703 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
4704 * vec.c (calculate_allocation): Add exact parameter. Change all
4706 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
4707 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
4708 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
4709 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
4710 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
4711 (vec_heap_p_reserve_exact): New function.
4712 (vec_heap_o_reserve_exact): New function.
4714 2007-01-17 Jan Hubicka <jh@suse.cz>
4716 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
4718 2007-01-17 Eric Christopher <echristo@apple.com>
4720 * config.gcc: Support core2 processor.
4722 2007-01-16 Jan Hubicka <jh@suse.cz>
4724 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
4725 the names, just unlink the chain so we don't crash on dangling pointers
4728 2007-01-16 Jan Hubicka <jh@suse.cz>
4730 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
4731 * tree-pass.h: Reorder to make IPA passes appear toegher.
4732 (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
4733 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
4734 parameters, do not call early inliner.
4735 * ipa-inline.c: Update comments. Include tree-flow.h
4736 (cgraph_decide_inlining): Do not compute inlining parameters.
4737 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
4738 be called with function context set up.
4739 (pass_ipa_inline): Remove unreachable functions before pass.
4740 (cgraph_early_inlining): Simplify assuming to be called from the
4742 (pass_early_inline): New pass.
4743 (cgraph_gate_ipa_early_inlining): New gate.
4744 (pass_ipa_early_inline): Turn into simple wrapper.
4745 (compute_inline_parameters): New function.
4746 (gate_inline_passes): New gate.
4747 (pass_inline_parameters): New pass.
4748 (apply_inline): Move here from tree-optimize.c
4749 (pass_apply_inline): New pass.
4750 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
4752 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
4754 (tree_function_versioning): Do not allocate dummy struct function.
4755 * tree-inline.h (optimize_inline_calls): Update prototype.
4756 * tree-optimize.c (execute_fixup_cfg): Export.
4757 (pass_fixup_cfg): Remove
4758 (tree_rest_of_compilation): Do not apply inlines.
4759 * tree-flow.h (execute_fixup_cfg): Declare.
4760 * Makefile.in (gt-passes.c): New.
4761 * passes.c: Include gt-passes.h
4762 (init_optimization_passes): New passes.
4763 (nnodes, order): New static vars.
4764 (do_per_function_toporder): New function.
4765 (execute_one_pass): Dump current pass here.
4766 (execute_ipa_pass_list): Don't dump current pass here.
4768 2007-01-16 Janis Johnson <janis187@us.ibm.com>
4770 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
4771 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
4773 2007-01-16 David Edelsohn <edelsohn@gnu.org>
4775 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
4776 (strong_alias): Define.
4777 (__gcc_qmul): Provide non-FMA for soft-float.
4783 (__gcc_qunord): New.
4793 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
4794 soft-float functions.
4795 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
4796 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
4797 about long double soft float.
4799 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
4800 Tehila Meyzels <tehila@il.ibm.com>
4802 * tree-vectorizer.h (is_pattern_stmt_p): New.
4803 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
4804 formatting (tabs instead of spaces). Cleanup and clarify setting
4805 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
4806 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
4807 (vectorizable_type_demotion): Check that types are integral.
4808 (vectorizable_type_promotion): Likewise.
4809 (vectorizable_store): Fix typo. Eliminate new-line at end of
4812 2007-01-16 Jan Hubicka <jh@suse.cz>
4814 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
4817 2007-01-15 Eric Christopher <echristo@apple.com>
4819 * ifcvt.c: Include vec.h, vecprim.h.
4820 (check_cond_move_block): New argument regs.
4821 Reorganize. Add registers used to regs.
4822 (cond_move_process_if_block): Use regs set above as
4825 2007-01-15 Eric Christopher <echristo@apple.com>
4827 * config/darwin.h: Update copyright.
4828 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
4829 (LINK_COMMAND_SPEC): Add -u.
4830 (LINK_SPEC): Fix umbrella for above.
4832 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
4834 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
4837 2007-01-15 Tom Tromey <tromey@redhat.com>
4839 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
4840 * doc/install.texi (Testing): Don't mention jacks.
4841 (Configuration): Document --enable-java-maintainer-mode. Move
4842 --with-java-home to libgcj-specific section. Document
4844 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
4846 2007-01-15 Jan Hubicka <jh@suse.cz>
4848 * tree-ssa-dce.c (DCE_TODOs): New.
4849 (propagate_necessity): Return if something changed.
4850 (eliminate_unnecessary_stmts): Likewise.
4851 (perform_tree_ssa_dce): Return TODO flags when needed.
4852 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
4854 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
4856 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
4857 (fyl2x_extend<mode>xf3_i387): New insn pattern.
4858 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
4859 patterns using X87MODEF12 mode macro. Extend operand 1
4860 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4861 (log10<mode>2): Ditto.
4862 (log2<mode>2): Ditto.
4863 (log1p<mode>2): Ditto.
4864 (logb<mode>2): Ditto.
4865 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
4866 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
4867 (*fxtractxf3_i387): Rename from *fxtractxf3.
4868 (fxtract_extend<mode>xf3_i387): New insn pattern.
4869 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
4870 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
4871 and gen_fyl2xxf3_i387().
4873 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
4875 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
4876 * cfgloopmanip.c (fix_loop_placement): Made static. Use
4877 get_loop_exit_edges. Changed return type to bool.
4878 * cfgloop.h (fix_loop_placement): Declaration removed.
4880 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
4882 * param.h (MIN_VECT_LOOP_BOUND): New.
4883 * params.def (MIN_VECT_LOOP_BOUND): New.
4884 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
4885 argument - minimum threshold for number of iterations.
4886 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
4887 argument to declaration.
4888 * tree-vect-analyze.c (vect_analyze_operations): Check value of
4889 MIN_VECT_LOOP_BOUND.
4890 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
4891 slpeel_tree_peel_loop_to_edge with additional argument.
4892 (vect_do_peeling_for_alignment): Likewise.
4893 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
4895 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
4898 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
4901 2007-01-14 Jan Hubicka <jh@suse.cz>
4903 * tree-dfa.c (remove_referenced_var): New function.
4904 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
4905 prune referenced vars list too.
4906 * tree-flow.h (remove_referenced_var): Declare.
4908 2007-01-14 Jan Hubicka <jh@suse.cz>
4910 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
4912 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
4913 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
4914 * except.h (verify_eh_throw_table_statements): Kill prototype.
4915 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
4916 into call exrepssions.
4917 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
4919 * tree-cfg.c: Include pointer-set.h.
4920 (verify_node_sharing): Work on pointer set.
4921 (verify_eh_throw_stmt_node): New.
4922 (verify_stmts): Use pointers sets, verify throw_stmt.
4924 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
4926 * ipa-reference.c (analyze_function): Consider also addresses taken
4929 2007-01-12 Roger Sayle <roger@eyesopen.com>
4931 * c-typeck.c (null_pointer_constant_p): Replace use of
4932 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4933 (build_c_cast): Likewise.
4935 2007-01-12 Roger Sayle <roger@eyesopen.com>
4937 * tree.h (force_fit_type_double): Remove unused final argument.
4938 * c-common.c (constant_expression_warning): Replace use of
4939 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4940 (convert_and_check): Likewise.
4941 (shorten_compare): Update call to force_fit_type_double.
4942 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
4943 * convert.c (convert_to_pointer): Update call to
4944 force_fit_type_double.
4945 * fold-const.c (force_fit_type_double): Remove overflowed_const
4947 (int_const_binop, fold_convert_const_int_from_int,
4948 fold_convert_const_int_from_real, fold_div_compare,
4949 fold_sign_changed_comparison, fold_unary, fold_negate_const,
4950 fold_abs_const, fold_not_const): Remove the final argument from
4951 calls to force_fit_type_double.
4953 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
4955 * configure.ac: Set insn to "nop" for spu-*-* also.
4956 * configure: Regenerate.
4958 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
4960 * builtins.def : Add BUILT_IN_FREE.
4962 2007-01-12 Jan Hubicka <jh@suse.cz>
4964 PR tree-optimization/30443
4965 * tree-inline.c (tree_function_versioning): Do not optimize when
4966 cloning for inlining.
4968 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
4970 * doc/loop.texi: Document recording of loop exits.
4971 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
4972 (update_single_exits_after_duplication,
4973 update_single_exit_for_duplicated_loop,
4974 update_single_exit_for_duplicated_loops): Removed.
4975 (duplicate_loop_to_header_edge): Do not call
4976 update_single_exits_after_duplication and
4977 update_single_exit_for_duplicated_loops.
4978 (loop_version): Do not update single_exit information.
4979 (fix_loop_structure): Use record_loop_exits instead of
4980 mark_single_exit_loops.
4981 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
4982 the lists of loop exits.
4983 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
4984 split_edge, merge_blocks): Update the lists of loop exits.
4985 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
4986 loop_optimizer_init.
4987 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
4988 of mark_single_exit_loops.
4989 (loop_optimizer_finalize): Call release_recorded_exits.
4990 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
4991 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
4992 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
4993 update single exit information.
4994 * lambda-code.c (perfect_nestify): Ditto.
4995 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
4996 (mark_single_exit_loops): Removed.
4997 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
4998 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
4999 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
5001 (get_loop_exit_edges, single_exit): Use recorded exit lists.
5002 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
5003 (verify_loop_structure): Verify consistency of the exit lists.
5004 (flow_loops_find): Use alloc_loop. Initialize exits hash.
5005 (set_single_exit): Removed.
5006 * cfgloop.h (struct loop_exit): New function.
5007 (struct loop): single_exit_ field replaced by exits field.
5008 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
5009 (struct loops): Added exits hash.
5010 (mark_single_exit_loops, set_single_exit): Declaration removed.
5011 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
5013 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5015 * doc/invoke.texi: Avoid use of @headitem.
5017 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5019 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
5021 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5023 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
5026 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
5027 Richard Sandiford <richard@codesourcery.com>
5029 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
5030 * config/m68k/m68k.opt: Resort options.
5031 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
5033 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
5034 Richard Sandiford <richard@codesourcery.com>
5036 * doc/invoke.texi: Document the macros that are defined by
5037 m68k's -mtune and -mhard-float options.
5038 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
5039 (m68k_cpp_cpu_family): Likewise.
5040 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
5041 of __ucfv*__ macros. Define __mcffpu__ if generating code for
5042 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
5043 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
5044 (m68k_cpp_cpu_family): Likewise.
5046 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5048 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
5049 macros besides mc68000 as tuning macros. Use a switch statement
5050 to set them and mcpu32.
5052 2007-01-12 Julian Brown <julian@codesourcery.com>
5054 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
5055 (TARGET_68040_ONLY): Rename to...
5056 (TARGET_68040): ...this.
5057 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
5058 * config/m68k/m68k.md: Likewise.
5060 2007-01-12 Julian Brown <julian@codesourcery.com>
5061 Nathan Sidwell <nathan@codesourcery.com>
5062 Richard Sandiford <richard@codesourcery.com>
5064 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
5065 the -mcpu= argument associated with the --with-cpu setting.
5066 Define M68K_DEFAULT_TUNE to the default -mtune= option,
5067 if different from the one implied by the -mcpu setting.
5068 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
5069 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
5070 * doc/invoke.texi: Mention ColdFire in the introduction to the
5071 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
5072 -mno-div and -mhard-float options. Make -m68881 a synonym for
5073 -mhard-float. Document the previously-undocumented -m5206e,
5074 -m528x, -m5307 and -m5407 options. Tweak the existing option
5075 documentation for consistency.
5076 * doc/install.texi: Mention new --with-cpu arguments.
5077 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
5078 default CPU if neither -mcpu nor -march are specified.
5079 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
5080 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
5081 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
5082 using m68k_tune to decide between families that implement the
5083 same ISA. Use m68k_tune to set __mcfv4e__.
5084 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
5085 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
5086 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
5087 (FL_ISA_C, FL_ISA_MMU): New macros.
5088 (MASK_COLDFIRE): Delete.
5089 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
5090 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
5091 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
5092 (TARGET_HARD_FLOAT): Do not define here.
5093 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
5094 (TUNE_68000): New macro.
5095 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
5096 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
5097 (TUNE_CFV2): Redefine in terms of m68k_tune.
5098 (uarch_type, target_device, fpu_type): New enums.
5099 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
5100 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
5101 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
5102 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
5103 (FL_FOR_isa_c): New macros.
5104 (m68k_isa): New enum.
5105 (m68k_target_selection): New structure.
5106 (all_devices, all_isas, all_microarchs): New tables.
5107 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
5108 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
5109 (MASK_ALL_CPU_BITS): Delete.
5110 (m68k_find_selection): New function.
5111 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
5112 Map the legacy target options to a combination of the new ones.
5113 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
5114 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
5115 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
5117 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
5118 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
5120 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
5121 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
5122 * config/m68k/m68k-devices.def: New file.
5124 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5125 Nathan Sidwell <nathan@codesourcery.com>
5127 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
5128 (SUBTARGET_EXTRA_SPECS): New macros.
5129 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
5130 use %(asm_cpu_spec) instead.
5131 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
5132 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
5133 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
5134 (EXTRA_SPECS): Rename to...
5135 (SUBTARGET_EXTRA_SPECS): ...this.
5137 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
5138 Richard Sandiford <richard@codesourcery.com>
5139 Julian Brown <julian@codesourcery.com>
5141 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5142 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
5143 to the configuration's default CPU.
5144 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
5145 Remove default masks.
5146 (m680[012]0-*-*): Set the default with_cpu to the first part of
5148 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
5149 (m68k*-*-linux): Extend the --with-cpu handling to...
5150 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
5151 and m68010. Don't set target_cpu_default2.
5152 * doc/install.texi: Document --with-cpu for m68k.
5153 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
5154 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
5155 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
5156 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
5157 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
5158 (ASM_SPEC): Remove use of %(asm_cpu_default).
5159 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
5160 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
5161 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
5162 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
5163 __HAVE_FPU__ if TARGET_HARD_FLOAT.
5164 (TARGET_DEFAULT): Delete.
5165 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
5166 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
5167 (CPP_CPU_SPEC): Delete.
5168 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
5169 the appropriate string.
5170 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
5171 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
5172 (ASM_SPEC): Don't use %(asm_default_spec).
5173 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5174 TARGET_DEFAULT and add MASK_68881.
5175 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
5177 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5179 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
5180 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
5181 MASK_68010 alongside MASK_68020.
5182 * doc/invoke.texi: Document -m68010.
5183 * config/m68k/m68k.opt (m68010): New.
5184 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
5186 (TUNE_68010): New macro.
5187 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
5188 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
5189 (M68K_CPU_m68332): Add MASK_68010.
5190 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
5191 fallback definition.
5192 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
5194 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
5195 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
5196 to all entries that use MASK_68020.
5197 (output_move_simode_const, output_move_himode, output_move_qimode)
5198 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
5199 instead of TARGET_68020 to select clr behavior. Remove comment
5200 about there being no TARGET_68010.
5201 * config/m68k/m68k.md: Likewise throughout.
5203 2007-01-12 Julian Brown <julian@codesourcery.com>
5205 * config/m68k/m68k.h (TARGET_ISAB): New macro.
5206 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
5207 * config/m68k/m68k.md: Likewise.
5209 2007-01-12 Julian Brown <julian@codesourcery.com>
5211 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
5212 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
5214 2007-01-12 Julian Brown <julian@codesourcery.com>
5216 * config/m68k/m68k.h (TUNE_68040_60): New macro.
5217 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
5218 * config/m68k/m68k.md: Likewise.
5220 2007-01-12 Julian Brown <julian@codesourcery.com>
5221 Richard Sandiford <richard@codesourcery.com>
5223 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
5224 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
5225 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
5227 (TARGET_CPU32): Rename to...
5228 (TUNE_CPU32): ...this.
5229 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
5230 (TUNE_CFV2): New macros.
5231 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
5232 remove conditions that are implied by TARGET_68020.
5233 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
5234 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
5235 (m68k_output_function_epilogue): Likewise.
5236 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
5237 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
5238 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
5239 non-68000 timings. Refactor multiplication and division costs.
5240 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
5241 TUNE_CPU32 instead of TARGET_CPU32.
5242 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
5243 and TUNE_68060 instead of TARGET_68060.
5244 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
5245 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
5247 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
5248 && !TARGET_COLDFIRE" to choose between moveq and clr.
5249 Likewise in the unnamed movsf pattern.
5250 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
5251 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
5254 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5256 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
5257 of tabbing before backslashes.
5259 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5261 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
5262 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
5263 (ASM_OUTPUT_INTERNAL_LABEL): Define.
5265 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5267 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
5268 find_interesting_uses_cond.
5269 (find_interesting_uses_cond): Use extract_cond_operands.
5270 (rewrite_use_compare): Use extract_cond_operands and
5271 force_gimple_operand_bsi. Do not call update_stmt.
5272 (determine_use_iv_cost_condition): Use extract_cond_operands.
5273 Return cheaper of using original bound and changing the exit bound.
5275 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5277 PR tree-optimization/29516
5278 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
5279 most_expensive_mult_to_index, addr_to_parts,
5280 create_mem_ref, maybe_fold_tmr): Make the type of
5281 fields of TARGET_MEM_REF sizetype.
5282 (move_fixed_address_to_symbol, move_pointer_to_base):
5284 * tree.def (TARGET_MEM_REF): Add comment on types of
5287 2007-01-11 Joseph Myers <joseph@codesourcery.com>
5289 * c-common.c (vector_types_convertible_p): Treat opaque types as
5290 always convertible if they have the same size, but not otherwise.
5292 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
5294 * ifcvt.c (struct noce_if_info): Add comments to the fields.
5295 Remove the b_unconditional field.
5296 (noce_try_sign_mask): Do not look at b_unconditional.
5297 (noce_process_if_block): Do not use merge_if_blocks. Update
5298 the CFG here. Do not set b_unconditional.
5299 (cond_move_process_if_block): Likewise.
5300 (find_cond_trap): Likewise.
5301 (check_cond_move_block): Require simple jump insns at the end
5304 2007-01-11 Jan Hubicka <jh@suse.cz>
5306 PR tree-optimization/1046
5307 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
5308 when alias info is not ready.
5309 (pass_tail_recursion): Do not require aliasing.
5310 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
5311 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
5312 * tree-ssa-copy.c (pass_copy_prop): Likewise.
5313 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5314 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
5315 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
5316 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
5318 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
5319 When aliasing is not build, mark statement as volatile.
5321 2007-01-11 Tom Tromey <tromey@redhat.com>
5323 PR preprocessor/15185, PR preprocessor/20989:
5324 * doc/cppopts.texi <-MT>: Update description of algorithm for
5325 computing default target.
5326 <-M, -MD>: Reword "basename" text.
5328 2007-01-11 Roger Sayle <roger@eyesopen.com>
5330 * builtins.c (expand_builtin_pow, expand_builtin_powi,
5331 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
5332 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5333 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
5334 fold_builtin_bswap, real_constp, fold_builtin_pow,
5335 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
5336 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
5337 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5338 * convert.c (convert_to_pointer): Likewise.
5339 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
5340 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
5341 const_binop, fold_convert_const_int_from_int,
5342 fold_convert_const_int_from_real,
5343 fold_convert_const_real_from_real, sign_bit_p,
5344 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5345 fold_sign_changed_comparison, fold_unary, fold_comparison,
5346 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5347 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5348 * print-tree.c (print_node_brief, print_node): Likewise.
5349 * stor-layout.c (place_field, layout_type): Likewise.
5350 * tree-chrec.c (keep_cast): Likewise.
5351 * tree.c (build_vector, build_real, build_real_from_int_cst,
5352 build_complex): Likewise.
5354 2007-01-11 Roger Sayle <roger@eyesopen.com>
5356 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
5357 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5359 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
5361 * configure.ac (strict1_warn): Rename to strict_warn.
5362 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5363 cc_set_by_configure, quoted_cc_set_by_configure,
5364 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5365 all_boot_languages, all_stagestuff): Remove.
5366 (target_list): Remove bootstrap targets.
5367 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5368 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5369 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5370 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5371 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5372 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5373 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5374 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5375 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5376 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5377 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5378 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5379 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5380 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5381 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5382 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5383 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5384 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5385 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5386 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5387 (mostlyclean): Adjust.
5388 (clean, distclean): Don't mention bootstrap stuff.
5389 * configure: Regenerate.
5390 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5391 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5392 treelang/config-lang.in (stagestuff): Remove.
5393 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5394 stageprofile, stagefeedback, stagestuff): Remove mention.
5396 2007-01-11 Nick Clifton <nickc@redhat.com>
5398 * config/mcore/predicates.md (mcore_general_movesrc_operand):
5400 (mcore_general_movdst_operand): Do not accept CONST_INTs.
5401 (mcore_arith_K_S_operand): Run the test for the S constraint not
5402 the test for the M constraint.
5403 (mcore_addsub_operand): Do not accept integer values that are
5404 larger than 32 bits.
5405 * config/mcore/mcore.md: Remove unused constraints from split.
5406 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5408 (allocate_stack): Likewise.
5409 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5410 operands to 32 bits.
5411 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5413 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5414 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5415 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5416 mcore_output_bclri, mcore_output_andn, output_inline_const,
5417 mcore_output_move, mcore_output_movedouble): Likewise.
5418 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5419 (output_inline_const): Likewise.
5420 (output_inline_const): Fix format strings used in sprintf
5422 * config/mcore/mcore-protos.h: Update prototypes for changed
5423 functions in mcore.c.
5424 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5425 HOST_WIDE_INT and not int.
5426 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5427 CONST_OK_FOR_N): Likewise.
5428 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5429 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5432 2007-01-10 Jan Hubicka <jh@suse.cz>
5434 * tree-vrp.c (remove_range_assertions): Release defs.
5435 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5436 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5438 2007-01-10 Paul Brook <paul@codesourcery.com>
5440 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5441 * config/arm/arm.md (mulsi3subsi): New insn.
5443 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
5445 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5446 (tree_transform_and_unroll_loop): New.
5447 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5450 2007-01-10 Robert Kennedy <jimbob@google.com>
5452 * fold-const.c (fold_comparison): Fold comparisons like (x *
5453 1000 < 0) to (x < 0).
5455 2007-01-10 Ian Lance Taylor <iant@google.com>
5457 * tree-pretty-print.c (dump_generic_node): Print parentheses when
5458 operands have the same priority.
5460 2007-01-10 Tom Tromey <tromey@redhat.com>
5462 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5463 (fold_binary): Likewise.
5464 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5465 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5466 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5467 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5468 * langhooks.h (struct lang_hooks): Removed field
5469 'can_use_bit_fields_p'.
5471 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
5473 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5475 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
5477 * function.c (get_last_funcdef_no): New function.
5478 * function.h (get_last_funcdef_no): Declare.
5479 * tree-inline.c (initialize_cfun): Add initialization.
5480 (tree_function_versioning): Cleanup.
5482 2007-01-10 Jan Hubicka <jh@suse.cz>
5484 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5487 2007-01-10 Sa Liu <saliu@de.ibm.com>
5488 Ben Elliston <bje@au.ibm.com>
5490 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5491 for SAVE_NONLOCAL and Pmode for any other save level.
5492 * spu-protos.h (spu_restore_stack_block): Declare.
5493 * spu.md (save_stack_block): Remove.
5494 (restore_stack_block): Call spu_restore_stack_block.
5495 * spu.c (spu_restore_stack_block): New function.
5496 (spu_expand_epilogue): Remove old comment.
5498 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
5500 PR tree-optimization/30322
5501 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5502 (cand_value_at): Return the value as aff_tree.
5503 (may_eliminate_iv): Convert the bound from aff_tree to tree.
5504 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5505 aff_combination_mult): New functions.
5506 (aff_combination_add): Use aff_combination_add_cst.
5507 (aff_combination_convert): Allow conversions to a wider type.
5508 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5509 * tree-affine.h (aff_combination_mult): Declare.
5511 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
5513 * doc/tm.texi: Update documentation to reflect reality of exec
5514 and start file search behaviours. Update copyright year.
5515 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5516 header file directories.
5518 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
5520 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5521 (*cosxf2): Rename to cosxf2_i387.
5522 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
5523 using X87MODEF12 mode macro. Rename patterns to
5524 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
5526 (*cosdf2, *cossf2): Ditto.
5527 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
5528 to match extended input operands.
5529 (sincos<mode>3): New expander.
5530 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5531 insn patterns and corresponding splitters.
5533 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
5535 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5536 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5538 2007-01-09 Nicolas Pitre <nico@cam.org>
5541 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5543 2007-01-08 Geoffrey Keating <geoffk@apple.com>
5545 * target.h (struct gcc_target): New field library_rtti_comdat.
5546 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5547 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5548 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5549 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5551 2007-01-08 Geoffrey Keating <geoffk@apple.com>
5553 * doc/invoke.texi (Optimize Options): Correct description of -O0.
5555 2007-01-08 Richard Guenther <rguenther@suse.de>
5557 * tree.h (force_fit_type_double): Export.
5558 (force_fit_type): Remove.
5559 * fold-const.c (force_fit_type_double): New function.
5560 (force_fit_type): Remove.
5561 (int_const_binop): Use it.
5562 (fold_convert_const_int_from_int): Likewise.
5563 (fold_convert_const_int_from_real): Likewise.
5564 (fold_div_compare): Likewise.
5565 (fold_sign_changed_comparison): Likewise.
5566 (fold_unary): Likewise.
5567 (fold_negate_const): Likewise.
5568 (fold_abs_const): Likewise.
5569 (fold_not_const): Likewise.
5570 * c-common.c (shorten_compare): Use force_fit_type_double.
5571 * convert.c (convert_to_pointer): Likewise.
5573 2007-01-08 Richard Guenther <rguenther@suse.de>
5575 * tree.h (build_int_cst_wide_type): Export.
5576 * tree.c (build_int_cst_wide_type): New function.
5577 (build_int_cst_wide): Fix comment.
5578 * builtins.c (fold_builtin_object_size): Use build_int_cst
5579 to build -1 or 0 of the correct type. Use fit_double_type
5580 to check for overflow.
5581 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5583 (decode_field_reference): Likewise.
5584 (all_ones_mask_p): Likewise.
5585 (native_interpret_int): Use build_int_cst_wide_type.
5586 (fold_binary): Use build_int_cst_type to build an all-ones
5588 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5590 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
5592 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5594 2007-01-09 Ben Elliston <bje@au.ibm.com>
5596 * genautomata.c (STATS_OPTION): New option.
5597 (stats_flag): New flag.
5598 (gen_automata_option): Handle it.
5599 (initiate_automaton_gen): Ditto.
5600 (write_automata): Output statistics only if stats_flag is
5601 set. Likewise, output time statistics only if time_flag is set.
5602 * doc/md.texi (Processor pipeline description): Document new flag.
5604 2007-01-08 Richard Guenther <rguenther@suse.de>
5606 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5607 * tree.c (build_int_cst_type): Likewise.
5608 (size_in_bytes): Don't call force_fit_type on the result.
5609 (int_fits_type_p): Use fit_double_type.
5610 * fold-const.c (fit_double_type): New function.
5611 (force_fit_type): Use it.
5612 * tree.h (fit_double_type): Export.
5614 2007-01-08 Jan Hubicka <jh@suse.cz>
5616 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5617 * ipa.c (function_and_variable_visibility): Fix return type.
5619 2007-01-08 Richard Guenther <rguenther@suse.de>
5621 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5622 of offset to build the index.
5623 * tree-pretty-print.c (dump_generic_node): Don't build negated
5624 const just for printing.
5625 * c-pretty-print.c (pp_c_integer_constant): Likewise.
5626 * builtins.c (fold_builtin_int_roundingfn): Check if result
5627 fits the type by using force_fit_type and comparing the result.
5628 * predict.c (predict_loops): Use compare_tree_int for comparison.
5629 * tree.c (build_int_cst): Fall back to integer_type_node for
5631 (build_int_cst_wide): Assert type is non-null.
5633 2007-01-08 Roberto Costa <roberto.costa@st.com>
5635 * tree-vrp.c (extract_range_from_cond_expr): New.
5636 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5637 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5639 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5640 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5641 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5642 used as expressions.
5643 * tree-object-size.c (cond_expr_object_size): New.
5644 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5646 2007-01-08 Jan Hubicka <jh@suse.cz>
5648 * tree-ssa-forwprop.c (forward_propagate_into_cond,
5649 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5652 2007-01-08 Richard Guenther <rguenther@suse.de>
5654 PR tree-optimization/23603
5655 * tree-vrp.c (set_value_range_to_truthvalue): New function.
5656 (extract_range_from_binary): Fall back to truthvalue instead of
5657 varying for TRUTH_*_EXPR.
5658 (extract_range_from_comparison): Fall back to truthvalue instead of
5660 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
5661 if all visited PHI values were constant.
5663 2007-01-08 Jan Hubicka <jh@suse.cz>
5665 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
5666 (cgraph_analyze_function): break out from ...
5667 (cgraph_finalize_compilation_unit): ... here.
5668 (cgraph_expand_function): Remove forgoten commented out line.
5669 (cgraph_optimize): Analyze functions.
5671 2007-01-08 Jan Hubicka <jh@suse.cz>
5673 * tree-pas.h (TODO_remove_function): New flag.
5674 (TODO_update*): Renumber.
5675 (pass_ipa_increase_alignment,
5676 pass_ipa_function_and_variable_visibility): New passes.
5677 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
5678 (cgraph_function_and_variable_visibility): Move to ipa.c
5679 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
5680 cgraph_increase_alignment.
5681 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
5682 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
5683 calling tree-inline.
5684 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
5685 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
5686 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
5687 (gate_increase_alignment): New function.
5688 (pass_ipa_increase_alignment): New pass.
5689 * ipa.c: Inline tree-pass.h and timevar.h
5690 (function_and_variable_visibility): Move here from cgraphunit.c
5691 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
5692 * passes.c (init_optimization_passes): Add the two new passes.
5693 (execute_todo): Handle cgraph_remove_functions.
5695 2007-01-08 Nick Clifton <nickc@redhat.com>
5697 * config/frv/predicates.md (reg_or_0_operand): Accept
5700 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
5702 * config/bfin/rtems.h, config/bfin/t-rtems: New.
5703 * config.gcc: Add bfin*-rtems*.
5705 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
5707 * c.opt: Add -flax-vector-conversions.
5708 * c-typeck.c (convert_for_assignment): Pass flag to
5709 vector_types_convertible_p to allow emission of note.
5710 (digest_init): Likewise.
5711 * c-opts.c: Handle -flax-vector-conversions.
5712 * c-common.c (flag_lax_vector_conversions): New.
5713 (vector_types_convertible_p): Unless -flax-vector conversions
5714 has been passed, disallow conversions between vectors with
5715 differing numbers of subparts and/or element types. If such
5716 a conversion is disallowed, possibly emit a note on the first
5717 occasion only to inform the user of -flax-vector-conversions.
5718 The new last argument specifies this.
5719 * c-common.h (flag_lax_vector_conversions): New.
5720 (vector_types_convertible_p): Add extra argument.
5721 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
5722 char_type_node for V*QI type vectors.
5723 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
5724 Update to satisfy new typechecking rules.
5725 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
5727 * doc/invoke.texi (C Dialect Options): Document
5728 -flax-vector-conversions.
5730 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
5732 PR tree-optimization/29877
5733 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
5734 a register variable on the RHS to not be replaceable.
5736 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
5737 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
5738 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
5739 const_simm15, const_pow2, const_npow2): Added.
5740 * config/score/misc.md (insv, extv, extzv, movmemsi,
5741 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
5742 * config/score/score.c (score_address_cost, score_select_cc_mode):
5744 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
5745 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
5746 Update score_print_operand.
5747 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
5748 Adjust register allocate order and update some macro define.
5749 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
5750 mdx_block_move_straight, mdx_block_move_loop_head,
5751 mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
5752 mdx_block_move): Added.
5753 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
5754 mdp_limm): Updated and fix some bug and typo.
5755 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
5756 (movsf, movdf, doloop_end): Added.
5758 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
5760 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
5761 config/arm/thumb2.md: Fix comment typos.
5762 * doc/extend.texi: Fix a typo.
5764 2007-01-07 Eric Christopher <echristo@apple.com>
5766 * configure.ac: Check for __stack_chk_fail for darwin.
5767 * configure: Regenerate.
5769 2007-01-07 Richard Guenther <rguenther@suse.de>
5771 * tree-vrp.c (extract_range_from_assert): CSE calls to
5772 compare_values where possible.
5773 (extract_range_from_unary_expr): Likewise.
5775 2007-01-07 Anatoly Sokolov <aesok@post.ru>
5777 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
5778 * config/avr/avr.c (call_insn_operand): Delete function.
5779 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
5780 instead of register number. Use predicates.
5781 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
5782 call_insn_operand): Add.
5784 2007-01-06 Jan Hubicka <jh@suse.cz>
5786 * tree-pass.h (pass_build_cgraph_edges): Declare.
5787 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
5788 (visited_nodes): Remove.
5789 (cgraph_create_edges): Move to cgraphbuild.c; rename to
5790 build_cgrpah_edges; make visited_nodes local.
5791 (cgraph_process_new_functions): DO not call initialize_inline_failed.
5792 (record_references_in_initializer): Move to cgraphbuild.c
5793 (initialize_inline_failed, rebuild_cgraph_edges,
5794 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
5795 (verify_cgraph_node): Make visited_nodes local.
5796 (cgraph_analyze_function): Do not call cgraph_create_edges and
5797 initialize_inline_failed.
5798 (cgraph_expand_function): Do not call cgraph_lower_function;
5799 assert that function is already lowered.
5800 * Makefile.in (cgraphbuild.o): New.
5801 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
5802 at the end of lowering passes.
5804 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
5806 * ifcvt.c (cond_move_convert_if_block): New function, code
5807 factored out from...
5808 (cond_move_process_if_block): ...here. Call the new function
5809 on the THEN and ELSE blocks.
5810 (merge_if_block): Do not copy global_live_at_end, merge_blocks
5811 already takes care of this.
5813 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5816 * tree.h (TREE_OVERFLOW_P): New.
5817 * c-typeck.c (parser_build_unary_op): Warn only if result
5818 overflowed and operands did not.
5819 (parser_build_binary_op): Likewise.
5820 (convert_for_assignment): Remove redundant overflow_warning.
5821 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
5823 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5825 * c-typeck.c (store_init_value): Split over two lines to follow
5826 the GNU coding style.
5828 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
5830 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
5831 __GXX_EXPERIMENTAL_CXX0X__.
5832 * doc/cpp.texi: Same.
5834 2007-01-05 Richard Guenther <rguenther@suse.de>
5837 * tree.c (get_narrower): Do not construct COMPONENT_REFs
5838 with mismatched types. Instead explicitly build a
5839 conversion NOP_EXPR.
5841 2007-01-05 Ian Lance Taylor <iant@google.com>
5843 * c-common.c (decl_with_nonnull_addr_p): New function.
5844 (c_common_truthvalue_conversion): Call it.
5845 * c-typeck.c (build_binary_op): Likewise.
5846 * c-common.h (decl_with_nonnull_addr_p): Declare.
5848 2007-01-05 Jakub Jelinek <jakub@redhat.com>
5851 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
5854 2007-01-05 Joel Brobecker <brobecker@adacore.com>
5856 * doc/install.texi (Final install): Document the fact that
5857 the GNAT runtime should not be stripped.
5859 2007-01-04 Jan Hubicka <jh@suse.cz>
5861 * tree-inline.c (fold_marked_statements): Update operand caches
5862 and EH after folding
5864 2007-01-04 Ian Lance Taylor <iant@google.com>
5866 * c-common.c (check_function_nonnull): Whitespace fix.
5868 2007-01-04 Jan Hubicka <jh@suse.cz>
5870 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
5871 comitted older version of patch.
5872 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
5873 function, celanup cfg and collect garbage.
5875 2007-01-04 Mike Stump <mrs@apple.com>
5877 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
5880 2007-01-04 Eric Christopher <echristo@apple.com>
5882 * libgcc2.c (__bswapsi2): Use SItype.
5883 (__bswapdi2): Use DItype.
5884 * libgcc2.h: Update for above.
5886 2007-01-04 Paul Brook <paul@codesourcery.com>
5888 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
5889 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
5890 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
5891 umulsidi3, umulsidi3adddi, smulsi3_highpart,
5892 umulsi3_highpart): Make conditional on !arm_arch6.
5893 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
5894 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
5895 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
5896 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
5897 umulsi3_highpart_v6): New insns.
5899 2007-01-04 Roger Sayle <roger@eyesopen.com>
5901 * fold-const.c (fold_convert): When casting an expression to void,
5902 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
5903 have a type. Instead of attempting to build a NOP_EXPR, return
5904 these "special" trees directly.
5906 2007-01-04 Joseph Myers <joseph@codesourcery.com>
5908 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
5909 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
5910 rs6000_cost->fp not 0 as adjustment for outer NEG.
5912 2007-01-04 Jan Hubicka <jh@suse.cz>
5914 * cgraph.c (cgraph_release_function_body): New function.
5915 (cgraph_remove_node): Use it.
5916 * cgraph.h (cgraph_release_function_body): Declare.
5917 * cgraphunit.c (cgraph_expand_function): Use it.
5918 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
5919 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
5920 is initialized and while compilation of other function is running.
5921 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
5922 statement CFG annotations from here to ...
5923 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
5925 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
5927 * cfgloop.h (enum li_flags): Make the constants powers of two.
5929 2007-01-04 Jan Hubicka <jh@suse.cz>
5931 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
5933 (fold_marked_statements): New function.
5934 (optimize_inline_calls, tree_function_versioning): Fold new statements.
5935 * tree-inline.h (copy_body_data): Add statements_to_fold.
5937 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
5939 * config.gcc: Mention libgcc/config.host.
5940 * Makefile.in: Update comments mentioning libgcc.
5941 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
5942 (all.cross, start.encap, rest.encap, rest.cross): Update
5943 dependencies for libgcc move.
5944 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
5945 (clean-target, clean-target-libgcc): Delete.
5946 (srcdirify, GCC_EXTRA_PARTS): New macros.
5947 (libgcc-support, libgcc.mvars): New rules.
5948 (distclean): Remove mention of mklibgcc.
5949 (install): Don't reference INSTALL_LIBGCC.
5950 (install-common): Don't reference EXTRA_PARTS.
5951 (install-libgcc, install-multilib): Delete rules.
5952 * mklibgcc.in: Delete file.
5953 * doc/configfiles.texi: Don't mention mklibgcc.
5955 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
5956 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
5957 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
5958 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
5959 (mklibgcc, ldblspecs): Likewise.
5961 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
5962 (posixpre.def): Use $(T).
5963 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
5964 (SHLIB_SRC, SHLIB_INSTALL): Delete.
5965 (SHLIB_LINK): Make dummy.
5966 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
5968 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
5970 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
5971 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
5972 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
5973 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
5975 * configure.ac (all_outputs): Remove mklibgcc.
5976 * configure: Regenerated.
5978 2007-01-03 Josh Conner <jconner@apple.com>
5981 * calls.c (compute_argument_addresses): Set stack and stack_slot
5982 for partial args, too.
5983 (store_one_arg): Use locate.size.constant for the size when
5984 generating a save_area.
5986 2007-01-03 Robert Kennedy <jimbob@google.com>
5988 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
5989 whose definitions are deleted due to basic block merging.
5991 2007-01-03 Paul Brook <paul@codesourcery.com>
5994 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
5996 (use_return_insn): Return 0 for Thumb interrupt functions.
5997 (print_multi_reg): Add rfe argument for IRQ returns.
5998 (arm_output_epilogue): Pop interrupt return address directly into PC.
5999 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
6001 2007-01-03 Paul Brook <paul@codesourcery.com>
6003 Merge from sourcerygxx-4_1.
6004 * config/arm/thumb2.md: New file.
6005 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
6007 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
6008 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6009 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
6010 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
6012 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6013 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
6015 * config/arm/ieee754-sf.S: Ditto.
6016 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
6017 (thumb1_base_register_rtx_p): ... to this.
6018 (thumb_index_register_rtx_p): Rename...
6019 (thumb1_index_register_rtx_p): ... to this.
6020 (thumb_output_function_prologue): Rename...
6021 (thumb1_output_function_prologue): ... to this.
6022 (thumb_legitimate_address_p): Rename...
6023 (thumb1_legitimate_address_p): ... to this.
6024 (thumb_rtx_costs): Rename...
6025 (thumb1_rtx_costs): ... to this.
6026 (thumb_compute_save_reg_mask): Rename...
6027 (thumb1_compute_save_reg_mask): ... to this.
6028 (thumb_final_prescan_insn): Rename...
6029 (thumb1_final_prescan_insn): ... to this.
6030 (thumb_expand_epilogue): Rename...
6031 (thumb1_expand_epilogue): ... to this.
6032 (arm_unwind_emit_stm): Rename...
6033 (arm_unwind_emit_sequence): ... to this.
6034 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
6035 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
6036 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
6037 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
6038 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
6039 thumb2_output_casesi): New functions.
6040 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
6041 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
6042 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
6043 THUMB2_WORK_REGS): Define.
6044 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
6045 arm_condexec_mask, arm_condexec_masklen)): New variables.
6046 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
6047 (arm_override_options): Check new CPU capabilities.
6048 Set new architecture flag variables.
6049 (arm_isr_value): Handle v7m interrupt functions.
6050 (user_return_insn): Return 0 for v7m interrupt functions. Handle
6052 (const_ok_for_arm): Handle Thumb-2 constants.
6053 (arm_gen_constant): Ditto. Use movw when available.
6054 (arm_function_ok_for_sibcall): Return false for v7m interrupt
6056 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
6057 (thumb_find_work_register, arm_load_pic_register,
6058 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
6059 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
6060 print_multi_reg, output_mov_long_double_fpa_from_arm,
6061 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
6062 output_mov_double_fpa_from_arm, output_move_double,
6063 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
6064 output_return_instruction, arm_output_function_prologue,
6065 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
6066 arm_output_mi_thunk, thumb_set_return_address): Ditto.
6067 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
6068 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
6069 (arithmetic_instr, shift_op): Use arm_shift_nmem.
6070 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
6072 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
6073 (thumb_expand_prologue): Use thumb_set_frame_pointer.
6074 (arm_file_start): Output directive for unified syntax.
6075 (arm_unwind_emit_set): Handle stack alignment instruction.
6076 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
6077 Add v6t2, v7, v7a, v7r and v7m.
6078 (RETLDM): Add Thumb-2 code.
6079 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
6080 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
6081 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
6082 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
6083 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
6084 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
6085 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
6086 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
6087 ADJUST_INSN_LENGTH): Define.
6088 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
6089 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
6090 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
6091 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
6092 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6093 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
6094 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
6095 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
6096 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
6097 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
6098 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
6099 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
6100 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
6101 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
6102 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
6103 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
6104 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
6106 * config/arm/arm-tune.md: Regenerate.
6107 * config/arm/arm-protos.h: Update prototypes.
6108 * config/arm/vfp.md: Enable patterns for Thumb-2.
6109 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
6110 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
6111 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
6112 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
6113 * config/arm/libunwind.S: Add Thumb-2 code.
6114 * config/arm/constraints.md: Update include Thumb-2.
6115 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
6116 * config/arm/ieee754-df.S: Ditto.
6117 * config/arm/bpabi.S: Ditto.
6118 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
6119 * config/arm/predicates.md (low_register_operand,
6120 low_reg_or_int_operand, thumb_16bit_operator): New.
6121 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
6122 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
6123 * config/arm/t-arm-elf: Add armv7 multilib.
6124 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
6126 (UNSPEC_STACK_ALIGN, ce_count): New.
6127 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
6128 arm_zero_extendsidi2, arm_zero_extendqidi2): New
6130 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
6131 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
6132 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
6133 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
6134 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
6135 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
6137 * doc/extend.texi: Document ARMv7-M interrupt functions.
6138 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
6140 2007-01-03 Jakub Jelinek <jakub@redhat.com>
6142 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
6143 (struct _Unwind_Context): Rename args_size to flags, remove
6144 signal_frame field, add a new args_size field and version field.
6145 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
6146 _Unwind_IsExtendedContext): New inline functions.
6147 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6148 Assume by_value array is only present if _Unwind_IsExtendedContext.
6149 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
6150 _Unwind_IsSignalFrame.
6151 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
6152 (uw_update_context_1): Use _Unwind_SetSignalFrame.
6153 (uw_init_context_1): Initialize context->flags to
6154 EXTENDED_CONTEXT_BIT.
6155 * config/rs6000/linux-unwind.h (frob_update_context): Use
6156 _Unwind_SetSignalFrame.
6158 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
6161 * gimplify.c (gimplify_modify_expr_complex_part): Move below
6162 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
6165 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
6167 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
6168 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
6169 RET, AT_SP): Remove.
6170 * config/i386/i386.md (*sse_prologue_save_insn): Use return
6173 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6174 * cfgbuild.c (find_basic_blocks): Likewise.
6175 * cfgrtl.c (rtl_create_basic_block): Likewise.
6176 * function.c (temp_slots_at_level): Likewise.
6177 * reg-stack.c (stack_regs_mentioned): Likewise.
6178 * regclass.c (allocate_reg_info): Likewise.
6179 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6180 set_bb_for_stmt, move_block_to_fn): Likewise.
6181 * tree-complex.c (tree_lower_complex): Likewise.
6182 * vec.h (VEC_safe_grow_cleared): New.
6184 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
6186 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
6188 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
6189 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
6191 * cfgloopmanip.c (scale_loop_frequencies): Export.
6192 (loopify): Scale the frequencies by prescribed coefficients.
6193 (set_zero_probability): New function.
6194 (duplicate_loop_to_header_edge): Improve updating of frequencies.
6195 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
6196 and frequencies according to arguments.
6197 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
6199 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
6200 * modulo-sched.c (sms_schedule): Set probabilities for entering
6201 versioned loop correctly.
6202 * tree-vect-transform.c (vect_transform_loop): Ditto.
6203 * cfgloop.h (loopify, loop_version): Declaration changed.
6204 (scale_loop_frequencies): Declared.
6206 2007-01-02 Jan Hubicka <jh@suse.cz>
6208 * cgraph.c: Include tree-flow.h
6209 (cgraph_add_new-function): Handle IPA_SSA mode; execute
6211 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
6212 * tree-pass.h (pass_all_early_optimizations): Declare.
6213 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
6215 (cgraph_analyze_function): Do early_local_passes.
6216 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6217 Do not add referenced vars.
6218 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
6220 (gate_all_early_local_passes): New gate.
6221 (pass_early_local_passes): Use new gate.
6222 (execute_early_local_optimizations): New functions.
6223 (gate_all_early_optimizations): New gate.
6224 (pass_all_early_optimizations): New pass.
6225 (execute_free_datastructures): Free SSA only when initialized.
6226 (gate_init_datastructures): Init only when optimizing.
6227 (tree_lowering_passes): Do early local passes when called late.
6228 * tree-profile.c (do_tree_profiling): Don't profile functions added
6230 (do_early_tree_profiling, pass_early_tree_profile): Kill.
6231 * tree-cfg.c (update_modified_stmts): Do not update when operands are
6233 * passes.c (init_optimizations_passes): Reorder so we go into SSA
6234 during early_local_passes.
6235 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
6238 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
6240 * Makefile.in: Update copyright year.
6242 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
6244 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
6245 in $(lang_checks) and check-consistency targets.
6247 2007-01-02 Jan Hubicka <jh@suse.cz>
6249 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6250 Do not add referenced vars.
6251 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
6253 * passes.c (init_optimization_passes): Put mudflap_2 after
6254 free_datastructures.
6256 2007-01-02 Jan Hubicka <jh@suse.cz>
6258 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
6259 Set NOTHROW flag on call statements proved to be nothrow.
6260 Update statement of local calls so new pure/const functions are
6261 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
6263 (tree_rest_of_compilation): Register hooks and initialize bitmap
6264 early. Do not set after_inlining flag.
6266 2007-01-02 Steve Ellcey <sje@cup.hp.com>
6268 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
6269 HOST_BITS_PER_LONGLONG
6271 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6274 * c-typeck.c (store_init_value): Don't emit pedantic overflow
6275 warning for non-static initializers.
6277 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
6279 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
6280 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
6281 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
6282 Always use set_unique_reg_note to add REG_EQUAL notes.
6284 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
6287 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
6289 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6290 * cfgbuild.c (find_basic_blocks): Likewise.
6291 * cfgrtl.c (rtl_create_basic_block): Likewise.
6292 * function.c (temp_slots_at_level): Likewise.
6293 * reg-stack.c (stack_regs_mentioned): Likewise.
6294 * regclass.c (allocate_reg_info): Likewise.
6295 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6296 set_bb_for_stmt, move_block_to_fn): Likewise.
6297 * tree-complex.c (tree_lower_complex): Likewise.
6298 * vec.h (VEC_safe_grow_cleared): New.
6300 2007-01-02 Ian Lance Taylor <iant@google.com>
6302 * c-common.c (c_common_truthvalue_conversion): When warning about
6303 using an assignment as a truth value, set TREE_NO_WARNING.
6305 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6308 * c.opt (Wold-style-declaration): New.
6309 * doc/invoke.texi (C-only Warning Options): New.
6310 (Wold-style-declaration): Document it.
6311 (Wextra): Enabled by -Wextra.
6312 * c-opts.c (c_common_post_options): Enabled by -Wextra.
6313 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
6314 -Wold-style-declaration.
6316 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
6318 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6319 * cfgbuild.c (find_basic_blocks): Likewise.
6320 * cfgrtl.c (rtl_create_basic_block): Likewise.
6321 * function.c (temp_slots_at_level): Likewise.
6322 * reg-stack.c (stack_regs_mentioned): Likewise.
6323 * regclass.c (allocate_reg_info): Likewise.
6324 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6325 set_bb_for_stmt, move_block_to_fn): Likewise.
6326 * tree-complex.c (tree_lower_complex): Likewise.
6327 * vec.h (VEC_safe_grow_cleared): New.
6329 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
6331 * c-common.c (c_common_nodes_and_builtins): Since variants of
6332 void_type_node get built before it is given a name, we need to
6333 give those variants the name, too.
6334 (complete_array_type): We need to work with the canonical main
6335 type of the array, from which we will build the qualified version.
6336 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
6337 * print-tree.c (print_node): Display canonical type information
6339 * stor-layout.c (layout_type): When we don't know the
6340 alignment of a type for which we're building an array, we end up
6341 guessing wrong, so make the type require structural equality.
6342 * tree.c (make_node_stat): When we build a new type, it is its
6344 (build_type_attribute_qual_variant): When building an attribute
6345 variant, its canonical type is the non-attribute variant. However,
6346 if the attributes are target-dependent and they differ, we need to
6347 use structural equality checks for this type.
6348 (build_qualified_type): A qualified type is not equivalent to its
6349 unqualified variant; set the canonical type appropriately.
6350 (build_distinct_type_copy): When building a distinct type from
6351 another type, the new type is its own canonical type.
6352 (build_variant_type_copy): When building a new type variant, we
6353 assume that it is equivalent to the original type.
6354 (build_pointer_type_for_mode): When building a pointer type, also
6355 build a canonical type pointer.
6356 (build_reference_type_for_mode): When building a reference type,
6357 also build a canonical type reference.
6358 (build_index_type): When we can't hash an index type (e.g.,
6359 because its maximum value is negative), the index type requires
6360 structural equality tests.
6361 (build_array_type): Build the canonical form of an array type.
6362 (build_function_type): Function types require structural equality,
6363 because they contain default arguments, attributes, etc.
6364 (build_method_type_directly): Ditto for method types.
6365 (build_offset_type): Build the canonical offset type.
6366 (build_complex_type): Build the canonical vector type.
6367 (make_vector_type): Build the canonical vector type.
6368 * tree.h (TYPE_CANONICAL): New.
6369 (TYPE_STRUCTURAL_EQUALITY_P): New.
6370 (SET_TYPE_STRUCTURAL_EQUALITY): New.
6371 (struct tree_type): Added "canonical" field.
6372 * params.h (VERIFY_CANONICAL_TYPES): New.
6373 * doc/c-tree.texi (TYPE_CANONICAL): Document.
6374 (TYPE_STRUCTURAL_EQUALITY_P): Document.
6375 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6376 * doc/invoke.texi (verify-canonical-types): Document --param
6377 parameter for verifying canonical types.
6379 2007-01-02 Joseph Myers <joseph@codesourcery.com>
6381 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6382 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6383 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6384 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6386 * config/rs6000/e500.h: New.
6387 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6388 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6390 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6391 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6392 TARGET_E500_DOUBLE): Remove.
6393 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6394 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6395 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6396 * config/rs6000/rs6000.c (rs6000_override_options): Use
6399 2007-01-02 Joseph Myers <joseph@codesourcery.com>
6401 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6402 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6403 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6404 rs6000_emit_cmove): Don't check TARGET_E500.
6405 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6406 sordered): Don't check TARGET_E500.
6408 2007-01-01 Eric Christopher <echristo@apple.com>
6410 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6411 HARD_REGISTER_NUM_P.
6413 2007-01-01 Roger Sayle <roger@eyesopen.com>
6415 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6416 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6417 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6420 2007-01-01 Mike Stump <mrs@apple.com>
6422 * configure.ac: Remove support for building with Apple's gcc-3.1.
6424 2007-01-02 Joseph Myers <joseph@codesourcery.com>
6427 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6428 REG is a hard register. Do not modify REG before calling
6430 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6431 multiple of the size of YMODE for certain lowpart cases.
6433 2007-01-01 Andrew Pinski <pinskia@gmail.com>
6436 * gimplify (voidify_wrapper_expr): Update for
6439 2007-01-01 Andreas Schwab <schwab@suse.de>
6442 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6443 save of BR0 in extra_spill_size instead of spill_size.
6444 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6446 (ia64_expand_epilogue): Restore BR0 from its new location.
6448 2007-01-01 Andrew Pinski <pinskia@gmail.com>
6450 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6451 Use a temporary variable if the left hand side is not a gimple
6454 2007-01-01 Andrew Pinski <pinskia@gmail.com>
6456 * gimplify.c (gimplify_return_expr): Make the temporary variable
6457 for the return expression, a gimple register variable.
6459 2007-01-01 Jan Hubicka <jh@suse.cz>
6461 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6464 2007-01-01 Mike Stump <mrs@apple.com>
6466 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6468 * config/darwin.c (machopic_select_rtx_section): Use
6470 (darwin_mergeable_constant_section): Likewise.
6471 * configure: Regenerate.
6472 * config.in: Regenerate.
6474 2007-01-01 Jan Hubicka <jh@suse.cz>
6475 Andrew Pinski <pinskia@gmail.com>
6477 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6478 before starting IPA passes.