1 2007-02-24 Bernd Schmidt <bernd.schmidt@analog.com>
3 * loop-iv.c (implies_p): Detect additional cases where A implies B.
4 (determine_max_iter): Take additional LOOP arg; all callers changed.
5 Lose broken logic dealing with PLUS. Try to limit the upper bound by
6 one using simplifications.
8 2007-02-23 DJ Delorie <dj@redhat.com>
10 * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
12 2007-02-23 Mike Stump <mrs@apple.com>
14 * tlink.c (scan_linker_output): Parse linker messages from
15 darwin9's linker better.
17 2007-02-23 Steve Ellcey <sje@cup.hp.com>
20 * varpool.c (varpool_assemble_pending_decls): Set
21 varpool_last_needed_node to null.
23 2007-02-23 DJ Delorie <dj@redhat.com>
25 * config/i386/i386.c (ix86_data_alignment): Don't specify an
26 alignment bigger than the object file can handle.
28 2007-02-23 Uros Bizjak <ubizjak@gmail.com>
31 * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
32 zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
33 (*movsf_1): Penalize MMX moves.
35 2007-02-23 Bernd Schmidt <bernd.schmidt@analog.com>
37 * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
38 2^32-1 or more times unless flag_unsafe_loop_optimizations.
40 * loop-iv.c (determine_max_iter): Moved in front of its sole user.
42 2007-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
44 * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
45 (fold_builtin_1): Use them.
46 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
49 2007-02-23 H.J. Lu <hongjiu.lu@intel.com>
51 * config/i386/i386.c (bdesc_1arg): Initialize
52 IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
53 "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
54 (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
55 and IX86_BUILTIN_MOVSLDUP.
57 2007-02-22 Paolo Bonzini <bonzini@gnu.org>
59 PR rtl-optimization/30841
60 * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
62 2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
64 * builtins.c (fold_builtin_frexp): New.
65 (fold_builtin_2): Use it.
67 2007-02-22 Mark Mitchell <mark@codesourcery.com>
69 * doc/invoke.texi (Spec Files): Document getenv spec function.
71 * gcc.c (getenv_spec_function): New function.
72 (static_spec_functions): Add it.
73 * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
74 (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
77 2007-02-22 Michael Matz <matz@suse.de
80 * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
81 (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
83 2007-02-22 Ian Lance Taylor <iant@google.com>
86 * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
87 (mem_loc_descriptor): Call it.
89 2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
90 Ira Rosen <irar@il.ibm.com>
92 * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
94 2007-02-22 Ira Rosen <irar@il.ibm.com>
96 PR tree-optimization/30843
97 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
98 stores only after all the group is vectorized.
100 2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
102 PR tree-optimization/30858
103 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
104 in the reduction cycle have a single use in the loop.
105 * tree-vectorizer.h (relevant): Add documentation.
107 2007-02-20 Mike Stump <mrs@apple.com>
109 * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
110 * configure: Regenerate.
112 2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
114 Change the defaults of some parameters and options.
115 * config/spu/spu-protos.h (spu_optimization_options): Declare.
116 * config/spu/spu.c (spu_optimization_options): Add.
117 (spu_override_options): Change params in spu_optimization_options.
118 * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
120 Register 127 is only 16 byte aligned when used as a frame pointer.
121 * config/spu/spu-protos.h (spu_init_expanders): Declare.
122 * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
123 HARD_FRAME_POINTER_REGNUM.
124 (spu_legitimate_address): Use regno_aligned_for_reload.
125 (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
126 aligned when frame_pointer_needed is true.
127 (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
129 * config/spu/spu.h (INIT_EXPANDERS): Define.
131 Make sure shift and rotate instructions have valid immediate operands.
132 * config/spu/predicates.md (spu_shift_operand): Remove.
133 * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
134 * config/spu/constraints.md (W, O): Extend range.
135 * config/spu/spu.md (umask, nmask): Define.
136 (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
137 lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
138 rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
139 rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
140 spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
141 (lshr<mode>3_reg): Fix rtl description.
143 Make sure mulhisi immediate operands are valid.
144 * config/spu/predicates.md (imm_K_operand): Add.
145 * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
147 Generate constants using fsmbi and andi.
148 * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
149 (print_operand, spu_split_immediate, classify_immediate,
150 fsmbi_const_p): Handle IC_FSMBI2.
152 Correctly handle a CONST_VECTOR containing symbols.
153 * config/spu/spu.c (print_operand): Handle HIGH correctly.
154 (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
155 (immediate_load_p): Allow symbols that use 2 instructions to create.
156 (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
157 with symbols when flag_pic is set.
158 (const_vector_immediate_p): New.
159 (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
160 accept a CONST_VECTOR with symbols.
161 (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
162 accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
164 * config/spu/spu.md (high, low): Delete.
165 (low_<mode>): Define.
167 Remove INTRmode and INTR_REGNUM, which didn't work.
168 * config/spu/spu.c (spu_conditional_register_usage): Remove reference
170 * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
171 set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
172 peephole2 pattern): Don't use INTR or 131.
174 * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
175 CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
176 * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
177 (UNSPEC_SET_INTR): Add.
178 * config/spu/spu-modes.def (INTR): Remove.
180 More accurate warnings about run-time relocations.
181 * config/spu/spu.c (reloc_diagnostic): Test in_section.
183 Correctly warn about immediate arguments to specific intrinsics.
184 * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
185 (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
186 the instruction predicate.
188 Fix tree check errors with latest update.
189 * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
191 (spu_expand_builtin): Use CALL_EXPR_FN.
193 Add missing specific intrinsics.
194 * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
196 * config/spu/spu_internals.h: Ditto.
198 Fix incorrect operand modifiers.
199 * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
200 * config/spu/spu.md (xor<mode>3): Change %S to %J.
202 Optimize one case of zero_extend of a vec_select.
203 * config/spu/spu.md (_vec_extractv8hi_ze): Add.
205 Accept any immediate for hbr.
206 * config/spu/spu.md (hbr): Change s constraints to i.
208 2007-02-21 Paul Brook <paul@codesourcery.com>
210 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
211 condexec_count when skipping USE and CLOBBER.
213 2007-02-21 Nick Clifton <nickc@redhat.com>
215 * common.opt (Warray-bounds): Add Warning attribute.
216 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
218 (fsized-zeroes): Add Optimization attribute.
219 (fsplit-wide-types, ftree-scev-cprop): Likewise.
220 * c.opt (Wc++0x-compat): Add Warning attribute.
222 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
225 * reload1.c (eliminate_regs_in_insn): In the single_set special
226 case, attempt to re-recognize the insn before falling back to
227 having reload fix it up.
229 2007-02-20 Eric Christopher <echristo@gmail.com>
231 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
233 (frv_read_iacc_argument): Ditto.
234 (frv_expand_set_builtin): Take a call instead of arglist, update for
236 (frv_expand_unop_builtin): Ditto.
237 (frv_expand_binop_builtin): Ditto.
238 (frv_expand_cut_builtin): Ditto.
239 (frv_expand_binopimm_builtin): Ditto.
240 (frv_expand_voidbinop_builtin): Ditto.
241 (frv_expand_int_void2arg): Ditto.
242 (frv_expand_prefetches): Ditto.
243 (frv_expand_voidtriop_builtin): Ditto.
244 (frv_expand_voidaccop_builtin): Ditto.
245 (frv_expand_load_builtin): Ditto.
246 (frv_expand_store_builtin): Ditto.
247 (frv_expand_mdpackh_builtin): Ditto.
248 (frv_expand_mclracc_builtin): Ditto.
249 (frv_expand_mrdacc_builtin): Ditto.
250 (frv_expand_mwtacc_builtin): Ditto.
251 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
254 2007-02-20 Janis Johnson <janis187@us.ibm.com>
256 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
257 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
259 (HAVE_GAS_DFP): Check for assembler support of decimal floating
261 * configure: Regenerate.
262 * config.in: Regenerate.
263 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
264 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
265 masks to power6 and power6x and to POWERPC_MASKS.
266 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
268 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
269 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
270 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
271 Access PROTOTYPE as variable, not mask.
273 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
275 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
276 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
277 * combine.c (adjust_for_new_dest): Use it.
278 * postreload.c (reload_combine): Likewise.
280 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
282 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
283 notes on an insn with multiple sets, even if single_set returns
284 non-NULL for that insn.
286 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
288 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
291 2007-02-20 Geoffrey Keating <geoffk@apple.com>
293 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
294 if user didn't pass it.
295 * config/i386/darwin.h (CC1_SPEC): Likewise.
296 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
297 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
298 -mmacosx-version-min.
300 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
301 Uros Bizjak <ubizjak@gmail.com>
303 * optabs.h (enum optab_index): Add new OTI_scalb.
304 (scalb_optab): Define corresponding macro.
305 * optabs.c (init_optabs): Initialize scalb_optab.
306 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
308 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
309 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
310 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
311 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
312 flag_unsafe_math_optimizations is set.
314 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
315 to implement scalbf, scalb and scalbl built-ins as inline x87
318 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
319 DJ Delorie <dj@redhat.com>
322 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
323 (diagnostic_report_diagnostic): ... here, and turn them into real
324 errors. If warnings are inhibited, no need to do anything.
326 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
328 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
329 better code generation.
331 2007-02-20 Ben Elliston <bje@au.ibm.com>
333 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
335 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
337 * config/alpha/alpha.c, config/alpha/alpha.md,
338 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
339 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
340 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
341 config/arm/lib1funcs.asm: Follow spelling conventions.
343 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
344 config/fr30/fr30.md, config/i386/i386.h,
345 config/iq2000/iq2000.h, config/iq2000/predicates.md,
346 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
347 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
348 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
349 config/rs6000/altivec.md, config/rs6000/rs6000.c,
350 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
351 config/sparc/sparc.c, config/sparc/sparc.h,
352 config/sparc/sparc.md, config/spu/constraints.md,
353 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
356 2007-02-20 Alan Modra <amodra@bigpond.net.au>
359 * varasm.c (use_blocks_for_decl_p): Return false for decls with
362 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
364 * doc/invoke.texi (-ftree-lrs): Remove.
366 2007-02-19 Diego Novillo <dnovillo@redhat.com>
368 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
371 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
373 * config/ia64/ia64.c (ia64_expand_builtin): Use the
374 new CALL_EXPR_FN macro for retrieving the function
375 declaration of the input expression.
377 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
379 * c.opt (Waddress): New.
380 * common.opt (Walways-true): Delete.
381 (Wstring-literal-comparison): Delete.
382 * doc/invoke.texi (Warning Options): Delete -Walways-true and
383 -Wstring-literal-comparison. Add -Waddress.
385 (Walways-true): Delete.
386 (Wstring-literal-comparison): Delete.
387 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
388 consistently instead of -Walways-true in example.
389 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
390 * c-typeck.c (parser_build_binary_op): Replace
391 -Wstring-literal-comparison and -Walways-true with -Waddress.
392 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
395 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
397 * tree-cfg.c (dump_function_to_file): Be prepared for functions
398 without DECL_STRUCT_FUNCTION initialized.
400 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
402 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
403 due to calls to functions taking pointers as parameters.
405 2007-02-19 Richard Henderson <rth@redhat.com>
408 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
411 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
413 * config/s390/s390.c (s390_call_saved_register_used,
414 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
415 accessed to the new scheme.
417 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
419 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
420 (cris_print_index, cris_print_operand, cris_print_operand_address)
421 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
422 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
423 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
425 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
426 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
427 GO_IF_LEGITIMATE_ADDRESS): Ditto.
428 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
429 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
430 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
431 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
432 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
433 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
434 (uminsi3, call, call_value): Ditto.
435 (define_split: indir_to_reg_split, unnamed): Ditto.
437 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
439 PR tree-optimization/30975
440 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
443 2007-02-18 Eric Christopher <echristo@gmail.com>
445 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
446 Remove use of arglist.
447 (mips_expand_builtin): Remove use of arglist, pass in expr.
448 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
449 (mips_expand_builtin_movtf): Ditto.
450 (mips_expand_builtin_compare): Ditto.
452 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
454 * tree-sra.c (sra_build_assignment): Replace assertion
455 checking with a comment explaining why it can't be done.
457 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
460 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
461 during CALL_EXPR representation conversion.
462 * tree-ssa-propagate.c (set_rhs): Likewise.
464 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
466 * tree-sra.c (sra_build_assignment): Disable assertion checking
469 2007-02-18 Roger Sayle <roger@eyesopen.com>
471 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
472 instead of calling build2 with a GIMPLE_MODIFY_STMT.
473 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
475 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
476 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
477 gimplify_init_ctor_eval_range, gimple_push_cleanup,
478 gimplify_omp_for, gimplify_omp_atomic_pipeline,
479 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
480 force_gimple_operand): Likewise.
481 * ipa-cp.c (constant_val_insert): Likewise.
482 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
483 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
484 perfect_nestify): Likewise.
485 * langhooks.c (lhd_omp_assignment): Likewise.
486 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
487 lower_copyprivate_clauses, lower_send_clauses,
488 lower_send_shared_vars, expand_parallel_call,
489 expand_omp_for_generic, expand_omp_for_static_nochunk,
490 expand_omp_for_static_chunk, expand_omp_sections,
491 lower_omp_single_copy, lower_omp_for_lastprivate,
492 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
493 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
494 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
497 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
499 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
500 config/sh/sh.md: Follow spelling conventions.
502 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
503 config/frv/predicates.md: Follow spelling conventions.
505 * config/m68k/linux-unwind.h: Fix a comment typo.
506 * target.h: Follow spelling conventions.
508 2007-02-18 Roger Sayle <roger@eyesopen.com>
510 PR rtl-optimization/28173
511 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
512 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
513 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
514 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
515 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
517 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
519 * builtins.c (fold_builtin_load_exponent): New.
520 (fold_builtin_2): Use it.
522 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
524 PR rtl-optimization/30773
525 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
526 if we fail to attach a REG_EQUIV note.
528 2007-02-18 David Edelsohn <edelsohn@gnu.org>
529 Roger Sayle <roger@eyesopen.com>
531 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
533 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
535 * calls.c (initialize_argument_information): Pass original EXP
536 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
537 code to split complex arguments here, as part of initializing the
539 (expand_call): Remove code that builds a list of arguments and
540 inserts implicit arguments into it. Instead, just count how many
541 implicit arguments there will be so we can determine the size of
542 the ARGS array, and let initialize_argument_information do the work.
543 (split_complex_values): Delete unused function.
545 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
547 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
549 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
551 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
552 for arg pointer based indexed addressing.
554 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
556 * config/ia64/ia64.h, config/ia64/ia64.md,
557 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
558 spelling conventions.
560 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
562 * config/m68k/m68k.c (split_di): New.
563 * config/m68k/m68k-protos.h: Declare split_di.
564 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
565 Improve predicate handling and split constant shifts.
567 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
569 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
570 parameter for register bitfield operations, general predicates
573 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
575 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
576 * config/m68k/linux-unwind.h: New file.
578 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
580 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
581 config/i386/athlon.md, config/ia64/ia64.md,
582 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
583 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
584 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
585 tree-ssa-loop-niter.c, tree-vect-analyze.c,
586 tree-vect-transform.c: Fix comment typos.
588 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
590 * sched-deps.c (find_insn_list): Remove.
591 * sched-int.h: Remove the prototype for find_insn_list.
593 2007-02-16 Geoffrey Keating <geoffk@apple.com>
595 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
597 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
598 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
599 darwin_rs6000_override_options.
600 (C_COMMON_OVERRIDE_OPTIONS): Expect
601 darwin_macosx_version_min to be non-NULL always.
602 (TARGET_C99_FUNCTIONS): Likewise.
603 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
604 (DARWIN_MINVERSION_SPEC): New.
605 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
606 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
608 (DARWIN_MINVERSION_SPEC): New.
609 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
611 * config/darwin-c.c (darwin_cpp_builtins): Expect
612 darwin_macosx_version_min to be non-NULL always.
614 * config/rs6000/rs6000.c: Clean up trailing whitespace.
616 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
618 * config/i386/i386.h (x86_use_xchgb): New.
619 (TARGET_USE_XCHGB): New macro.
620 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
621 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
622 Split after reload into bswaphi for shifts of 8.
623 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
624 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
625 or when optimizing for size.
627 2007-02-16 Richard Guenther <rguenther@suse.de>
628 Christian Bruel <christian.bruel@st.com>
630 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
631 DECLs but prefer SSA_NAMEs over DECLs.
633 2007-02-16 Richard Guenther <rguenther@suse.de>
635 * tree-flow-inline.h (single_imm_use_p): Remove.
636 (zero_imm_uses_p): Likewise.
637 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
638 instead of single_imm_use_p.
639 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
642 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
645 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
646 nested double- and backquotes.
648 2007-02-15 Roger Sayle <roger@eyesopen.com>
651 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
652 should be unreachable.
653 (build2_stat): Allow construction of MODIFY_EXPR at any time.
654 For the time being redirect GIMPLE_MODIFY_STMT to the new
655 (renamed) build_gimple_modify_stmt_stat.
656 (build2_gimple_stat): Rename to...
657 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
658 Always build a GIMPLE_MODIFY_STMT node.
659 * tree.h (build2_gimple, build2_gimple_stat): Delete.
660 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
663 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
664 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
665 * tree-complex.c (set_component_ssa_name, expand_complex_move,
666 expand_complex_div_wide): Likewise.
667 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
668 * tree-ssa-loop-im.c (schedule_sm): Likewise.
669 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
670 * tree-ssa-loop-manip.c (create_iv): Likewise.
671 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
672 abs_replacement): Likewise.
673 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
674 realify_fake_stores): Likewise.
676 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
677 node rather than a GIMPLE_MODIFY_STMT node.
678 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
679 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
681 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
682 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
685 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
688 * fold-const.c (fold_comparison): Add back the
689 folding of constant complex comparisions.
691 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
694 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
695 effects unknown to this function, return early.
697 2007-02-15 Ian Lance Taylor <iant@google.com>
699 * lower-subreg.c (move_eh_region_note): New static function.
700 (resolve_simple_move): Call it.
701 (decompose_multiword_subregs): Track blocks for which we resolve a
702 simple move which is also a control flow insn. Pass them to
703 find_many_sub_basic_blocks.
704 (pass_lower_subreg): Add TODO_verify_flow.
705 (pass_lower_subreg2): Likewise.
707 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
708 Brooks Moses <brooks.moses@codesourcery.com>
709 Lee Millward <lee.millward@codesourcery.com>
711 * tree.h (enum tree_code_class): Add tcc_vl_exp.
712 (VL_EXP_CLASS_P): New.
713 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
715 (TREE_OPERAND_CHECK_CODE): Likewise.
716 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
717 (TREE_RTL_OPERAND_CHECK): Likewise.
718 (tree_operand_check_failed): Make second parameter the whole tree
719 instead of its code. Fixed callers.
721 (TREE_OPERAND_LENGTH): New.
722 (VL_EXP_OPERAND_LENGTH): New.
724 (CALL_EXPR_STATIC_CHAIN): New.
725 (CALL_EXPR_ARGS): New.
726 (CALL_EXPR_ARG): New.
727 (call_expr_nargs): New.
728 (CALL_EXPR_ARGP): New.
729 (build_nt_call_list): Declare.
730 (build_vl_exp_stat): Declare.
732 (build_call_list): Declare.
733 (build_call_nary): Declare.
734 (build_call_valist): Declare.
735 (build_call_array): Declare.
736 (call_expr_arg): Declare.
737 (call_expr_argp): Declare.
738 (call_expr_arglist): Declare.
739 (fold_build_call_list): Declare.
740 (fold_build_call_list_initializer): Declare.
741 (fold_call_expr): Declare to replace fold_builtin.
742 (fold_builtin_fputs): Update to agree with modified definition.
743 (fold_builtin_strcpy): Likewise.
744 (fold_builtin_strncpy): Likewise.
745 (fold_builtin_memory_chk): Likewise.
746 (fold_builtin_stxcpy_chk): Likewise.
747 (fold_builtin_strncpy_chk): Likewise.
748 (fold_builtin_next_arg): Likewise.
749 (fold_build_call_expr): Declare.
750 (fold_builtin_call_list): Declare.
751 (fold_builtin_call_valist): Declare.
752 (build_call_expr): Declare.
753 (validate_arglist): Update to agree with modified definition.
754 (tree_operand_length): New.
755 (call_expr_arg_iterator): New.
756 (init_call_expr_arg_iterator): New.
757 (next_call_expr_arg): New.
758 (first_call_expr_arg): New.
759 (more_call_expr_args_p): New.
760 (FOR_EACH_CALL_EXPR_ARG): New.
762 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
764 (tree_code_size): Update documentation. Use sizeof (tree) rather
765 than sizeof (char *).
766 (tree_size): Likewise. Add case for tcc_vl_exp.
767 (tree_node_structure): Add case for tcc_vl_exp.
768 (contains_placeholder_p): Likewise.
769 (substitute_in_expr): Likewise.
770 (substitute_placeholder_in_expr): Likewise.
771 (stabilize_reference_1): Likewise.
772 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
773 to diagnose breakage of this interface for constructing CALL_EXPRs.
774 (build_nt): Add similar assertion here.
775 (build_nt_call_list): New.
776 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
777 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
779 (get_callee_fndecl): Use new CALL_EXPR accessors.
780 (tree_operand_check_failed): Change parameters to pass entire node
781 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
782 (process_call_operands): New.
783 (build_vl_exp_stat): New.
784 (build_call_list): New.
785 (build_call_nary): New.
786 (build_call_valist): New.
787 (build_call_array): New.
788 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
789 (call_expr_arglist): New.
791 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
792 tcc_vl_exp instead of a fixed-size tcc_expression.
794 * doc/c-tree.texi (CALL_EXPR): Document new representation and
795 accessors for CALL_EXPRs.
796 (AGGR_INIT_EXPR): Likewise.
798 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
799 Brooks Moses <brooks.moses@codesourcery.com>
800 Lee Millward <lee.millward@codesourcery.com>
802 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
803 (expand_builtin_nonlocal_goto): Change parameter to be entire
804 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
805 (expand_builtin_prefetch): Likewise.
806 (expand_builtin_classify_type): Likewise.
807 (mathfn_built_in): Return NULL_TREE instead of 0.
808 (expand_errno_check): Use new CALL_EXPR accessors.
809 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
810 Return NULL_RTX instead of 0.
811 (expand_builtin_mathfn_2): Likewise.
812 (expand_builtin_mathfn_3): Likewise.
813 (expand_builtin_interclass_mathfn): Likewise.
814 (expand_builtin_sincos): Likewise.
815 (expand_builtin_cexpi): Likewise.
816 (expand_builtin_int_roundingfn): Likewise.
817 (expand_builtin_int_roundingfn_2): Likewise.
818 (expand_builtin_pow): Likewise.
819 (expand_builtin_powi): Likewise.
820 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
821 of arglist, fixing callers appropriately. Use new CALL_EXPR
822 accessors and constructors. Return NULL_RTX instead of 0.
823 (expand_builtin_strstr): Likewise.
824 (expand_builtin_strchr): Likewise.
825 (expand_builtin_strrchr): Likewise.
826 (expand_builtin_strpbrk): Likewise.
827 (expand_builtin_memcpy): Likewise.
828 (expand_builtin_mempcpy): Likewise.
829 (expand_builtin_mempcpy_args): New.
830 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
831 (expand_builtin_memmove_args): New.
832 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
833 (expand_movstr): Likewise.
834 (expand_builtin_strcpy): Likewise.
835 (expand_builtin_strcpy_args): New.
836 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
837 (expand_builtin_strncpy): Likewise.
838 (expand_builtin_memset): Likewise.
839 (expand_builtin_memset_args): New.
840 (expand_builtin_bzero): Similarly to expand_builtin_memset.
841 (expand_builtin_memcmp): Likewise.
842 (expand_builtin_strcmp): Likewise.
843 (expand_builtin_strncmp): Likewise.
844 (expand_builtin_strcat): Likewise.
845 (expand_builtin_strncat): Likewise.
846 (expand_builtin_strspn): Likewise.
847 (expand_builtin_strcspn): Likewise.
848 (expand_builtin_args_info): Likewise.
849 (expand_builtin_va_start): Likewise.
850 (gimplify_va_arg_expr): Likewise.
851 (expand_builtin_va_end): Likewise.
852 (expand_builtin_va_copy): Likewise.
853 (expand_builtin_frame_address): Likewise.
854 (expand_builtin_alloca): Likewise.
855 (expand_builtin_bswap): Likewise.
856 (expand_builtin_unop): Likewise.
857 (expand_builtin_fputs): Likewise.
858 (expand_builtin_expect): Likewise.
859 (expand_builtin_fabs): Likewise.
860 (expand_builtin_copysign): Likewise.
861 (expand_builtin_printf): Likewise.
862 (expand_builtin_fprintf): Likewise.
863 (expand_builtin_sprintf): Likewise.
864 (expand_builtin_init_trampoline): Likewise.
865 (expand_builtin_signbit): Likewise.
866 (expand_builtin_fork_or_exec): Likewise.
867 (expand_builtin_sync_operation): Likewise.
868 (expand_builtin_compare_and_swap): Likewise.
869 (expand_builtin_lock_test_and_set): Likewise.
870 (expand_builtin_lock_release): Likewise.
871 (expand_builtin): Likewise.
872 (builtin_mathfn_code): Likewise.
874 (fold_builtin_constant_p): Pass call arguments individually instead
875 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
876 accessors and constructors. Return NULL_TREE instead of 0.
877 (fold_builtin_expect): Likewise.
878 (fold_builtin_classify_type): Likewise.
879 (fold_builtin_strlen): Likewise.
880 (fold_builtin_nan): Likewise.
881 (integer_valued_real_p): Likewise.
882 (fold_trunc_transparent_mathfn): Likewise.
883 (fold_fixed_mathfn): Likewise.
884 (fold_builtin_cabs): Likewise.
885 (fold_builtin_sqrt): Likewise.
886 (fold_builtin_cbrt): Likewise.
887 (fold_builtin_cos): Likewise.
888 (fold_builtin_cosh): Likewise.
889 (fold_builtin_tan): Likewise.
890 (fold_builtin_sincos): Likewise.
891 (fold_builtin_cexp): Likewise.
892 (fold_builtin_trunc): Likewise.
893 (fold_builtin_floor): Likewise.
894 (fold_builtin_ceil): Likewise.
895 (fold_builtin_round): Likewise.
896 (fold_builtin_int_roundingfn): Likewise.
897 (fold_builtin_bitop): Likewise.
898 (fold_builtin_bswap): Likewise.
899 (fold_builtin_logarithm): Likewise.
900 (fold_builtin_hypot): Likewise.
901 (fold_builtin_pow): Likewise.
902 (fold_builtin_powi): Likewise.
903 (fold_builtin_exponent): Likewise.
904 (fold_builtin_memset): Likewise.
905 (fold_builtin_bzero): Likewise.
906 (fold_builtin_memory_op): Likewise.
907 (fold_builtin_bcopy): Deleted; call site changed to invoke
908 fold_builtin_memory_op directly.
909 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
910 (fold_builtin_strncpy): Likewise.
911 (fold_builtin_memcmp): Likewise.
912 (fold_builtin_strcmp): Likewise.
913 (fold_builtin_strncmp): Likewise.
914 (fold_builtin_signbit): Likewise.
915 (fold_builtin_copysign): Likewise.
916 (fold_builtin_isascii): Likewise.
917 (fold_builtin_toascii): Likewise.
918 (fold_builtin_isdigit): Likewise.
919 (fold_builtin_fabs): Likewise.
920 (fold_builtin_abs): Likewise.
921 (fold_builtin_fmin_fmax): Likewise.
922 (fold_builtin_carg): Likewise.
923 (fold_builtin_classify): Likewise.
924 (fold_builtin_unordered_cmp): Likewise.
926 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
927 New functions split out from fold_builtin_1.
928 (fold_builtin_n): New.
929 (fold_builtin_varargs): New.
930 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
932 (fold_call_expr): New.
933 (build_function_call_expr): Rewrite to use new helper function.
934 (fold_builtin_call_list): New.
935 (build_call_expr): New.
936 (fold_builtin_call_valist): New.
937 (rewrite_call_expr): New.
939 (validate_arglist): Change parameter to be entire CALL_EXPR instead
940 of an arglist. Change return type to bool. Use new CALL_EXPR
943 (fold_builtin_strstr): Pass call arguments individually instead
944 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
945 accessors and constructors. Return NULL_TREE instead of 0.
946 (fold_builtin_strchr): Likewise.
947 (fold_builtin_strrchr): Likewise.
948 (fold_builtin_strpbrk): Likewise.
949 (fold_builtin_strcat): Likewise.
950 (fold_builtin_strncat): Likewise.
951 (fold_builtin_strspn): Likewise.
952 (fold_builtin_strcspn): Likewise.
953 (fold_builtin_fputs): Likewise.
954 (fold_builtin_next_arg): Likewise.
955 (fold_builtin_sprintf): Likewise.
957 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
958 NULL_RTX instead of 0.
959 (expand_builtin_memory_chk): Likewise.
960 (maybe_emit_chk_warning): Likewise.
961 (maybe_emit_sprintf_chk_warning): Likewise.
963 (fold_builtin_object_size): Pass call arguments individually instead
964 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
965 accessors and constructors. Return NULL_TREE instead of 0.
966 (fold_builtin_memory_chk): Likewise.
967 (fold_builtin_stxcpy_chk): Likewise.
968 (fold_builtin_strncpy_chk): Likewise.
969 (fold_builtin_strcat_chk): Likewise.
970 (fold_builtin_strcat_chk): Likewise.
971 (fold_builtin_strncat_chk): Likewise.
972 (fold_builtin_sprintf_chk): Likewise.
973 (fold_builtin_snprintf_chk): Likewise.
974 (fold_builtin_printf): Likewise.
975 (fold_builtin_vprintf): Likewise.
977 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
979 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
980 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
981 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
982 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
983 (fold_unary): Likewise.
984 (fold_binary): Likewise.
985 (fold_ternary): Remove CALL_EXPR case, since they are no longer
987 (fold): Add logic for tcc_vl_exp.
988 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
989 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
990 (fold_build3_stat): Add assertion to flag broken interface for
991 constructing CALL_EXPRs.
992 (fold_build_call_list): New.
993 (fold_build_call_list_initializer): New.
994 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
996 (fold_strip_sign_ops): Likewise.
998 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
999 Brooks Moses <brooks.moses@codesourcery.com>
1000 Lee Millward <lee.millward@codesourcery.com>
1002 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
1003 accessors and dump arguments explicitly.
1005 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
1007 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
1009 (print_call_name): Use new CALL_EXPR accessors.
1011 * print-tree.c (print_node): Add case tcc_vl_exp. Print
1012 CALL_EXPR arguments explicitly instead of as a list. Use
1013 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1015 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
1016 (vrp_visit_stmt): Likewise.
1018 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
1019 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
1021 (force_move_till_expr): Likewise.
1023 * targhooks.c (default_external_stack_protect_fail): Use
1024 build_call_expr instead of build_function_call_expr.
1025 (default_hidden_stack_protect_fail): Likewise.
1027 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1030 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1031 and walk arguments explicitly.
1033 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1034 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1035 (expand_simple_operations): Likewise.
1036 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1038 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1039 of TREE_CODE_LENGTH.
1040 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1042 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1043 instead of TREE_CODE_LENGTH.
1045 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1046 (tree_ic_transform): Likewise.
1047 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1048 parameter instead of arglist. Fix callers.
1049 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1050 (tree_stringops_transform): Likewise.
1051 (tree_indirect_call_to_profile): Likewise.
1052 (tree_stringops_values_to_profile): Likewise.
1054 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1055 (eliminate_tail_call): Likewise.
1057 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1059 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1060 Use TREE_OPERAND_LENGTH and generalize to handle any number of
1062 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1064 * omp-low.c (build_omp_barrier): Use build_call_expr.
1065 (lower_rec_input_clauses): Likewise.
1066 (lower_reduction_clauses): Likewise.
1067 (expand_parallel_call): Likewise.
1068 (maybe_catch_exception): Likewise.
1069 (expand_omp_for_generic): Likewise.
1070 (expand_omp_for_static_nochunk): Likewise.
1071 (expand_omp_sections): Likewise.
1072 (lower_omp_single_simple): Likewise.
1073 (lower_omp_single_copy): Likewise.
1074 (lower_omp_master): Likewise.
1075 (lower_omp_ordered): Likewise.
1076 (lower_omp_critical): Likewise.
1078 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1079 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1081 * tree-gimple.c (is_gimple_call_addr): Fix doc.
1082 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1083 TREE_CODE_LENGTH. Add tcc_vl_exp case.
1085 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1086 and generalize to handle any number of operands.
1087 (chrec_contains_undetermined): Likewise.
1088 (tree_contains_chrecs): Likewise.
1089 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1091 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1093 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
1094 fold_call_expr instead of fold_builtin.
1095 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
1096 match declarations there.
1097 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
1100 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1101 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1103 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1104 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1106 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1109 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1110 (execute_cse_sincos): Use new CALL_EXPR accessors.
1112 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1114 * gimple-low.c (lower_function_body): Use build_call_expr.
1115 (lower_builtin_setjmp): Likewise.
1117 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1118 (set_storage_via_libcall): Likewise.
1119 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
1120 instead of TREE_CODE_LENGTH.
1121 (expand_expr_real_1): Use new CALL_EXPR accessors.
1123 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1124 generalize to handle any number of operands.
1125 (TB_parent_eq): Likewise.
1127 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1128 (strip_builtin_expect): Likewise.
1130 * function.c (gimplify_parameters): Use build_call_expr.
1132 * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1133 instead of TREE_CODE_LENGTH.
1135 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1136 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1138 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1141 * gimplify.c (build_stack_save_restore): Use build_call_expr.
1142 (gimplify_decl_expr): Likewise.
1143 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1144 Use new CALL_EXPR iterators.
1145 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1146 (gimplify_modify_expr_to_memset): Likewise.
1147 (gimplify_variable_sized_compare): Likewise.
1148 (gimplify_omp_atomic_fetch_op): Likewise.
1149 (gimplify_omp_atomic_pipeline): Likewise.
1150 (gimplify_omp_atomic_mutex): Likewise.
1151 (gimplify_function_tree): Likewise.
1153 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1154 (call_expr_flags): Likewise.
1155 (expand_call): Likewise.
1157 * except.c (expand_builtin_eh_return_data_regno): Pass entire
1158 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
1161 * coverage.c (create_coverage): Use build_call_expr.
1163 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1164 (temp_call_expr_obstack): New.
1165 (pool_copy_list): Delete.
1166 (temp_copy_call_expr): New.
1167 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
1168 CALL_EXPR accessors. Get rid of special goo for copying argument
1169 lists and use temp_copy_call_expr instead.
1170 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
1171 CALL_EXPR accessors.
1172 (create_expression_by_pieces): Likewise. Use build_call_array
1173 to construct the result instead of fold_build3.
1174 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
1175 dealing with argument lists.
1176 (init_pre): Remove references to expression_node_pool and
1177 list_node_pool. Init temp_call_expr_obstack instead.
1178 (fini_pre): Remove references to expression_node_pool and
1181 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1182 and walk arguments explicitly instead of as a list.
1184 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1185 (mx_register_decls): Likewise.
1186 (mudflap_register_call): Likewise.
1187 (mudflap_finish_file): Likewise.
1189 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1190 (ipa_callsite_compute_param): Likewise.
1192 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1193 accessors and constructor.
1195 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1196 accessors and constructor.
1197 (convert_tramp_reference): Likewise.
1198 (convert_call_expr): Likewise.
1199 (finalize_nesting_tree_1): Likewise.
1201 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1204 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1206 * tree-inline.c (initialize_inlined_parameters): Pass entire
1207 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
1209 (estimate_num_insns_1): Use new CALL_EXPR accessors.
1210 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1212 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
1213 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1214 (vectorizable_reduction): Likewise.
1215 (vectorizable_call): Use new CALL_EXPR iterators.
1216 (vectorizable_conversion): Use build_call_expr.
1217 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1218 (vect_gen_widened_results_half): Use build_call_expr.
1219 (vect_setup_realignment): Likewise.
1220 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1222 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1223 (pass_through_call): Likewise.
1224 (compute_object_sizes): Likewise. Use fold_call_expr instead of
1227 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1228 (tree_gen_pow2_profiler): Likewise.
1229 (tree_gen_one_value_profiler): Likewise.
1230 (tree_gen_ic_func_profiler): Likewise.
1231 (tree_gen_average_profiler): Likewise.
1232 (tree_gen_ior_profiler): Likewise.
1234 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1235 (find_func_aliases): Use new CALL_EXPR accessors. Add case
1236 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1238 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1239 of TREE_CODE_LENGTH.
1241 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1242 of TREE_CODE_LENGTH.
1244 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1246 (convert_to_integer): Likewise.
1248 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1251 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
1252 Brooks Moses <brooks.moses@codesourcery.com>
1253 Lee Millward <lee.millward@codesourcery.com>
1255 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1257 * config/frv/frv.c (frv_expand_builtin): Likewise.
1258 * config/s390/s390.c (s390_expand_builtin): Likewise.
1260 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1261 (sparc_expand_builtin): Use new CALL_EXPR accessors.
1263 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1264 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1265 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
1266 (ix86_expand_store_builtin): Likewise.
1267 (ix86_expand_unop_builtin): Likewise.
1268 (ix86_expand_unop1_builtin): Likewise.
1269 (ix86_expand_sse_compare): Likewise.
1270 (ix86_expand_sse_comi): Likewise.
1271 (ix86_expand_vec_init_builtin): Likewise.
1272 (ix86_expand_vec_ext_builtin): Likewise.
1273 (ix86_expand_vec_set_builtin): Likewise.
1274 (ix86_expand_builtin): Use new CALL_EXPR accessors.
1276 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1277 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1279 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1280 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
1281 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1283 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1285 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1286 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1287 arglist. Use new CALL_EXPR accessors. Fix callers.
1288 (altivec_expand_abs_builtin): Likewise.
1289 (rs6000_expand_binop_builtin): Likewise.
1290 (altivec_expand_predicate_builtin): Likewise.
1291 (altivec_expand_lv_builtin): Likewise.
1292 (spe_expand_stv_builtin): Likewise.
1293 (altivec_expand_stv_builtin): Likewise.
1294 (rs6000_expand_ternop_builtin): Likewise.
1295 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1296 (altivec_expand_st_builtin): Likewise.
1297 (altivec_expand_dst_builtin): Likewise.
1298 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1299 arglist. Use new CALL_EXPR accessors. Fix callers.
1300 (altivec_expand_vec_set_builtin): Likewise.
1301 (altivec_expand_vec_ext_builtin): Likewise.
1302 (altivec_expand_builtin): Use new CALL_EXPR accessors.
1303 (spe_expand_builtin): Likewise.
1304 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1305 arglist. Use new CALL_EXPR accessors. Fix callers.
1306 (spe_expand_evsel_builtin): Likewise.
1307 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
1308 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1310 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1311 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
1312 (arm_expand_unop_builtin): Likewise.
1313 (arm_expand_builtin): Use new CALL_EXPR accessors.
1315 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
1318 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1319 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
1320 (bfin_expand_unop_builtin): Likewise.
1321 (bfin_expand_builtin): Use new CALL_EXPR accessors.
1323 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
1324 Brooks Moses <brooks.moses@codesourcery.com>
1325 Lee Millward <lee.millward@codesourcery.com>
1327 * c-semantics.c (build_stmt): Add internal diagnostic check.
1329 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1330 accessors. Print arguments explicitly instead of as a list.
1332 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1334 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1335 (c_finish_omp_flish): Likewise.
1337 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
1338 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
1339 instead of TREE_CODE_LENGTH.
1340 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1341 (c_warn_unused_result): Likewise.
1343 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1346 * doc/invoke.texi (Warning Options): Remove
1347 -Werror-implicit-function-declaration.
1348 (Wimplicit-function-declaration): Update description.
1349 * opts.c (common_handle_option): Move handling of -Werror=* to...
1350 (enable_warning_as_error): ...here.
1351 * opts.h (enable_warning_as_error): Declare.
1352 * c-decl.c (implicit_decl_warning): Unless
1353 -Wno-implicit-function-declaration is given, emit a pedwarn if
1354 -std=c99 or emit a warning if -Wimplicit-function-declaration.
1355 * c.opt (Wimplicit-function-declaration): Replace
1356 mesg_implicit_function_declaration with
1357 warn_implicit_function_declaration.
1358 * c-opts.c (c_common_handle_option):
1359 -Werror-implicit-function-declaration is exactly equal as
1360 -Werror=implicit-function-declaration.
1361 (set_Wimplicit): Replace mesg_implicit_function_declaration with
1362 warn_implicit_function_declaration.
1363 (c_common_post_options): -Wimplict-function-declaration is enabled
1364 by default by -std=c99, otherwise is disabled by default.
1365 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1367 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
1369 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1370 DECL on the rhs to a DECL on the lhs for debug info purposes if the
1371 former is ignored but not the latter.
1373 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
1375 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1376 is made and the reference doesn't use the alias set of its type,
1377 do not create the temporary using that type.
1379 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
1381 * jump.c: Remove prototypes for delete_computation and
1382 delete_prior_computation.
1384 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
1386 * jump.c (get_label_after): Delete.
1387 (get_label_before, delete_computation, delete_jump,
1388 delete_prior_computation, follow_jumps): Move...
1389 * reorg.c (delete_computation, delete_prior_computation): ... here...
1390 (get_label_before, delete_jump): ... making these static ...
1391 (follow_jumps): ... and simplifying this since it only runs after
1393 * rtl.h (get_label_after, get_label_before, delete_jump,
1394 follow_jumps): Delete prototypes.
1396 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
1398 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1400 2007-02-15 Nick Clifton <nickc@redhat.com>
1402 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1403 order to prevent it from being munged by the target.
1405 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
1407 * config/i386/i386.md: Remove misleading comment.
1409 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
1411 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1412 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1415 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
1417 * tree-sra.c (instantiate_missing_elements): Canonicalize
1419 (sra_build_assignment): New.
1420 (generate_copy_inout, generate_element_copy,
1421 generate_element_zero, generate_one_element_init): Use it.
1423 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
1425 * tree-sra.c (instantiate_missing_elements): Canonicalize
1427 (sra_build_assignment): New.
1428 (generate_copy_inout, generate_element_copy,
1429 generate_element_zero, generate_one_element_init): Use it.
1431 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
1433 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1436 2007-02-14 Joseph Myers <joseph@codesourcery.com>
1438 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1439 types as aggregates not scalars.
1440 * function.c (assign_stack_temp_for_type): Likewise.
1442 2007-02-14 Roger Sayle <roger@eyesopen.com>
1443 Zdenek Dvorak <dvorakz@suse.cz>
1445 * tree-dump.c (dump_switch_p_1): Require exact match of the option
1448 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1450 * passes.c (next_pass_1): Clear the next field of the copied
1453 2007-02-14 Richard Henderson <rth@redhat.com>
1455 * tree-sra.c (early_sra): New.
1456 (decl_can_be_decomposed_p): Deny va_list if early_sra.
1457 (tree_sra_early, pass_sra_early): New.
1458 * tree-pass.h (pass_sra_early): Declare.
1459 * passes.c (init_optimization_passes): Use it.
1461 2007-02-14 Richard Guenther <rguenther@suse.de>
1463 * flags.h (issue_strict_overflow_warning): Convert to a macro.
1465 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
1467 PR tree-optimization/30771
1468 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1470 (vect_analyze_operations): Induction phis can now be marked as
1472 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1473 Update documentation accordingly.
1475 2007-02-14 Nick Clifton <nickc@redhat.com>
1477 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1478 most 3 arguments are supported.
1479 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1481 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
1483 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1484 Ensure dst->current is valid.
1486 2007-02-13 Paul Brook <paul@codesourcery.com>
1488 * config.gcc: Add arm*-*-uclinux-*eabi.
1489 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1490 (SUBTARGET_EXTRA_LINK_SPEC): Define.
1491 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1492 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1493 (LINK_SPEC): Define.
1495 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1497 * config/arm/uclinux-eabi.h: New file.
1498 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1499 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1502 2007-02-13 Ian Lance Taylor <iant@google.com>
1504 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1505 * flags.h (warn_strict_overflow): Declare.
1506 (enum warn_strict_overflow_code): Define.
1507 (issue_strict_overflow_warning): New static inline function.
1508 * opts.c (warn_strict_overflow): New variable.
1509 (common_handle_option): Handle OPT_Wstrict_overflow and
1510 OPT_Wstrict_overflow_.
1511 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1513 * fold-const.c: Include intl.h.
1514 (fold_deferring_overflow_warnings): New static variable.
1515 (fold_deferred_overflow_warning): New static variable.
1516 (fold_deferred_overflow_code): New static variable.
1517 (fold_defer_overflow_warnings): New function.
1518 (fold_undefer_overflow_warnings): New function.
1519 (fold_undefer_and_ignore_overflow_warnings): New function.
1520 (fold_deferring_overflow_warnings_p): New function.
1521 (fold_overflow_warning): New static function.
1522 (make_range): Add strict_overflow_p parameter. Change all
1524 (extract_muldiv, extract_muldiv_1): Likewise.
1525 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1526 tree_expr_nonnegative_p.
1527 (fold_negate_expr): Call fold_overflow_warning.
1528 (fold_range_test): Likewise.
1529 (fold_comparison): Likewise.
1530 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
1531 instead of tree_expr_nonnegative_p.
1532 (tree_expr_nonnegative_warnv_p): Rename from
1533 tree_expr_nonnegative_p, add strict_overflow_p parameter.
1534 (tree_expr_nonnegative_p): New function.
1535 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1536 strict_overflow_p parameter.
1537 (tree_expr_nonzero_p): New function.
1538 * passes.c (verify_interpass_invariants): New static function.
1539 (execute_one_pass): Call it.
1540 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1542 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1543 (estimate_numbers_of_iterations): Likewise.
1544 (scev_probably_wraps_p): Likewise.
1545 * tree-ssa-ccp.c: Include "toplev.h".
1546 (evaluate_stmt): Defer fold overflow warnings until we know we are
1548 (struct fold_stmt_r_data): Add stmt field.
1549 (fold_stmt_r): Defer fold overflow warnings until we know we
1551 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1552 (fold_stmt_inplace): Likewise.
1553 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1554 (cleanup_control_expr_graph): Defer fold overflow warnings until
1555 we know we are going to optimize.
1556 * tree-cfg.c (fold_cond_expr_cond): Likewise.
1557 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1559 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1560 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1561 * tree-ssa-loop-manip.c (create_iv): Likewise.
1562 * c-typeck.c (build_conditional_expr): Likewise.
1563 (build_binary_op): Likewise.
1564 * tree-vrp.c (vrp_expr_computes_nonzero): Call
1565 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1566 (extract_range_from_unary_expr): Likewise.
1567 * simplify-rtx.c (simplify_const_relational_operation): Warn when
1568 assuming that signed overflow does not occur.
1569 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1570 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1571 (fold_defer_overflow_warnings): Declare.
1572 (fold_undefer_overflow_warnings): Declare.
1573 (fold_undefer_and_ignore_overflow_warnings): Declare.
1574 (fold_deferring_overflow_warnings_p): Declare.
1575 (tree_expr_nonzero_warnv_p): Declare.
1576 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1578 (Warning Options): Document -Wstrict-overflow.
1579 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1580 (tree-ssa-ccp.o): Likewise.
1581 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1582 (fold-const.o): Depend on intl.h.
1584 2007-02-13 Ian Lance Taylor <iant@google.com>
1587 * lower-subreg.c (resolve_simple_move): Decompose subregs in
1590 2007-02-13 Stuart Hastings <stuart@apple.com>
1592 * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1594 2007-02-13 Richard Henderson <rth@redhat.com>
1596 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1597 handled_component_p before looking for the indirect_ref.
1599 2007-02-13 Richard Henderson <rth@redhat.com>
1601 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1602 remove flags clobber.
1603 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1604 (bswaphi_lowpart): New.
1605 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1606 remove TARGET_BSWAP test. Delete expander of the same name.
1608 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1609 (expand_unop): Use them.
1611 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
1613 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1614 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1615 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1616 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1617 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1618 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1619 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1620 assembler dialect choice from asm templates.
1622 2007-02-12 Richard Henderson <rth@redhat.com>
1624 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1625 (fixuns_trunc<SSEMODEF>si2): Use it.
1626 * config/i386/sse.md (vec_setv4sf_0): Export.
1627 * config/i386/i386.c (ix86_build_const_vector): Export.
1628 (ix86_split_convert_uns_si_sse): Rename from
1629 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1630 * config/i386/i386-protos.h: Update.
1632 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1635 * c-typeck.c (c_finish_return): Improve warning message.
1637 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1639 * alias.c (find_symbolic_term): Delete unused function.
1641 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
1643 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1644 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1645 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1647 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
1649 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1650 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1651 the function, temporarily point the debug interface to the null one.
1653 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
1655 * dwarf2out.c (round_up_to_align): New static function.
1656 (field_byte_offset): Use it to round the offset.
1658 2007-02-12 Richard Henderson <rth@redhat.com>
1660 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1661 (inswl_const): Export.
1663 2007-02-12 Richard Henderson <rth@redhat.com>
1665 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1666 result mode of the libcall, convert back to outmode.
1668 2007-02-12 Roger Sayle <roger@eyesopen.com>
1670 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1671 (bswapdi2): New define_expand to implement 32-bit implementation.
1673 2007-02-12 Nick Clifton <nickc@redhat.com>
1675 * doc/invoke.texi (Overall Options): Document --help=.
1676 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1677 (cc1_options): Pass --help= on to cc1.
1678 (display_help): Add description of --help=.
1679 (process_command): Add code to handle --help=. Allow translated
1680 --help and --target-help switches to be passed on to compiler
1682 (main): Remove unused if statement.
1683 * opts.c (columns): Remove.
1684 (LEFT_COLUMN): Define.
1685 (wrap_help): Add columns argument.
1686 (print_filtered_help): Change parameters to be an include bitmask,
1687 an exclude bitmask, an any bitmask and the column width. Move the
1688 code to display the params list here. Add code to display the
1689 status of options rather than their descriptions if the quiet flag
1691 (print_specific_help): Change parameters to be an include bitmask,
1692 an exclude bitmask and an any bitmask. Move code to look up the
1693 column width here. Decide upon the title for an options listing.
1694 (common_handle_options): Add code to handle --help=. Adapt code
1695 for --help and --target-help to use the revised form of the
1696 print_specific_help function.
1697 (print_help): Delete.
1698 (print_param_help): Delete.
1699 (print_switch): Delete.
1700 * opts.h (cl_lang_count): Add prototype.
1701 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1702 CL_MAX_OPTION_CLASS): New defines.
1703 * optc-gen.awk: Add construction of cl_lang_count.
1704 * c.opt: Add Warning attribute to warning options and Optimization
1705 attribute to optimization options.
1706 * common.opt: Likewise.
1708 Add -fhelp and -ftarget-help as aliases for the transformed --help
1709 and --target-help options.
1710 * opt-functions.awk: Add code to handle Warning and Optimization
1713 2007-02-12 Richard Henderson <rth@redhat.com>
1715 * config/alpha/constraints.md: New file.
1716 * config/alpha/alpha.c: Include tm-constrs.h.
1717 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1718 alpha_extra_constraint): Remove.
1719 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1720 * config/alpha/alpha-protos.h: Update.
1721 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1722 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1723 (EXTRA_CONSTRAINT): Remove.
1724 * config/alpha/alpha.md: Include constraints.md.
1725 (adddi splitter): Use satisfies_constraint_*.
1726 * config/alpha/predicates.md (add_operand): Likewise.
1727 (sext_add_operand, addition_operation): Likewise.
1729 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
1731 PR tree-optimization/29145
1732 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1733 in our handling of restrict qualified pointers.
1735 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1738 * doc/invoke.texi (Wunused-value): Update description.
1739 (Wextra): Delete item.
1740 * opts.c (set_Wextra): Don't use the value of Wextra to set the
1741 value of Wunused-value.
1742 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1743 (c_finish_stmt_expr): Don't check extra_warnings.
1744 (emit_side_effect_warnings): The caller is responsible to check
1747 2007-02-11 Roger Sayle <roger@eyesopen.com>
1748 Matt Thomas <matt@3am-software.com>
1750 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1752 2007-02-11 Roger Sayle <roger@eyesopen.com>
1754 * simplify-rtx.c (simplify_relational_operation_1): Optimize
1755 comparisons of POPCOUNT against zero.
1756 (simplify_const_relational_operation): Likewise.
1758 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1760 * doc/invoke.texi (Wextra): Delete outdated paragraph.
1762 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1764 * dwarf2out.c (root_type): Delete unused function.
1766 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1768 * genattrtab.c (contained_in_p): Delete unused function.
1769 (write_expr_attr_cache): Likewise.
1771 2007-02-11 Jan Hubicka <jh@suse.cz>
1773 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1776 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
1778 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1779 to add the REG_EQ* note.
1780 * see.c (see_merge_one_use_extension): Likewise.
1781 * local-alloc.c (update_equiv_regs): Likewise. Also don't
1782 turn REG_EQUAL notes into REG_EQUIV notes if the target
1783 register may have more than one set.
1784 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1785 * gcse.c (try_replace_reg): Likewise.
1786 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1787 * calls.c (fixup_tail_calls): Likewise. Abort if there is
1788 more than one REG_EQUIV note.
1789 * reload1.c (gen_reload): Use set_unique_reg_note.
1791 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
1793 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1794 (ix86_builtin_conversion): New function.
1796 2007-02-06 Mark Mitchell <mark@codesourcery.com>
1799 * tree.h (DECL_REPLACEABLE_P): New macro.
1800 * except.c (set_nothrow_function_flags): Likewise.
1802 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
1803 Ira Rosen <irar@il.ibm.com>
1804 Dorit Nuzman <dorit@il.ibm.com>
1806 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1807 * targhooks.c (default_builtin_vectorized_conversion): New.
1808 * targhooks.h (default_builtin_vectorized_function): New declaration.
1809 * target.h (struct vectorize): Add builtin_conversion field.
1810 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1811 stmt_vec_info_type value.
1812 (vectorizable_conversion): New declaration.
1813 * tree-vect-analyze.c (vect_analyze_operations): Add
1814 vectorizable_conversion call.
1815 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
1816 * tree-vect-transform.c (vectorizable_conversion): New function.
1817 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
1818 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1820 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
1821 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
1822 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
1823 or ALTIVEC_BUILTIN_VCFSX.
1825 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1828 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
1829 CONST_DOUBLE and operand 0 is a hard register.
1830 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
1831 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
1832 is a hard floating-point register.
1834 2007-02-10 Richard Henderson <rth@redhat.com>
1835 Jakub Jelinek <jakub@redhat.com>
1836 Alexandre Oliva <aoliva@redhat.com>
1838 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
1839 * builtin-types.def (BT_WORD): Make unsigned.
1840 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1841 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1842 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1843 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1844 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1845 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1847 * expr.c (emutls_var_address): New.
1848 (expand_expr_real_1): Expand emulated tls.
1849 (expand_expr_addr_expr_1): Likewise.
1850 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1851 * output.h (emutls_finish): Declare.
1852 * toplev.c (compile_file): Call it.
1853 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1854 address before wrapping in CONST.
1855 * varasm.c (emutls_htab, emutls_object_type): New.
1856 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1857 (get_emutls_object_name, get_emutls_object_type): New.
1858 (get_emutls_init_templ_addr, emutls_decl): New.
1859 (emutls_common_1, emutls_finish): New.
1860 (assemble_variable): When emulating tls, swap decls; generate
1861 constructor for the emutls objects.
1862 (do_assemble_alias): When emulating tls, swap decl and target name.
1863 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1865 * varpool.c (decide_is_variable_needed): Look at force_output.
1866 Recurse for emulated tls.
1867 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
1868 with decide_is_variable_needed.
1869 * emutls.c: New file.
1870 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1871 tls_object for real tls.
1873 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
1875 PR rtl-optimization/29599
1876 * reload1.c (eliminate_regs_in_insn): Take the destination
1877 mode into account when computing the offset.
1879 2007-02-09 Stuart Hastings <stuart@apple.com>
1880 Richard Henderson <rth@redhat.com>
1882 * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1883 * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1884 * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
1885 fixuns_truncdfhi2): New.
1886 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
1887 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
1888 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
1889 (floatunssidf2): Allow nonimmediate source.
1890 * gcc/config/i386/sse.md (movdi_to_sse): New.
1891 (vec_concatv2di): Drop '*'.
1892 * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
1893 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1894 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
1896 * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
1897 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1898 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
1899 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
1900 (ix86_build_signbit_mask): Fix decl of v, refactor to call
1901 ix86_build_const_vector.
1902 (x86_emit_floatuns): Rewrite.
1904 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1906 * genautomata.c (longest_path_length): Delete unused function.
1907 (struct state): Delete unused longest_path_length.
1908 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
1909 (get_free_state): Delete unused.
1911 2007-02-09 Jan Hubicka <jh@suse.cz>
1913 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
1914 * doc/invoke.texi (inline-unit-growth): Update default value.
1916 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
1917 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
1918 (rebuild_cgraph_edges): Likewise.
1919 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
1920 (dump_cgraph_node): Dump frequencies.
1921 (cgraph_clone_edge): Add frequency scales.
1922 (cgraph_clone_node): Add freuqnecy.
1923 * cgraph.h (cgraph_edge): Add freuqnecy argument.
1924 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
1925 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
1926 * tree-pass.h (TODO_rebuild_frequencies): New constant.
1927 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
1928 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
1929 (save_inline_function_body): Likewise.
1930 * ipa-inline.c: inluce rtl.h
1931 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
1932 (cgraph_edge_badness): Use frequencies.
1933 (cgraph_decide_recursive_inlining): Update clonning.
1934 (cgraph_decide_inlining_of_small_function): Dump frequency.
1935 * predict.c (estimate_bb_frequencies): Export.
1936 * predict.h (estimate_bb_frequencies): Declare.
1937 * tree-inline.c (copy_bb): Watch overflows.
1938 (expand_call_inline): Update call of cgraph_create_edge.
1939 (optimize_inline_calls): Use TODO flags to update frequnecies.
1940 * passes.h: Include predict.h
1941 (init_optimization_passes): Move profile ahead.
1942 (execute_function_todo): Handle TODO_rebuild_frequencies.
1944 2007-02-09 Roger Sayle <roger@eyesopen.com>
1946 * config/alpha/alpha.c (emit_insxl): Force the first operand of
1947 the insbl or inswl pattern into a register.
1949 2007-02-09 Roger Sayle <roger@eyesopen.com>
1951 * config/ia64/ia64.md (bswapdi2): New define_insn.
1953 2007-02-09 Richard Henderson <rth@redhat.com>
1955 * config/i386/constraints.md (Ym): New constraint.
1956 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
1957 (movdi_1_rex64): Split sse and xmm general register moves from
1958 memory move alternatives. Use conditional register constraints.
1959 (movsf_1, movdf_integer): Likewise.
1960 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
1961 (movdf_integer_rex64): New.
1962 (pushsf_rex64): Fix output constraints.
1963 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
1964 (sse2_stored): Likewise.
1965 (sse2_storeq_rex64): New.
1966 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
1967 amd and not generic.
1968 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
1969 for optimize_size. Remove SF/DFmode hack.
1971 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
1973 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
1976 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
1977 Richard Sandiford <richard@codesourcery.com>
1979 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
1980 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
1981 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
1982 m68k/t-mlib to tmake_file.
1983 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
1984 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
1985 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
1986 Allow it to be cf or m68k. Set m68k_arch_family. If that
1987 variable is not empty, add t-$m68k_arch_family to tmake_file.
1988 Add t-mlibs to tmake_file.
1989 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
1990 * config/m68k/t-cf: New file.
1991 * config/m68k/t-m68k: Likewise.
1992 * config/m68k/t-mlibs: Likewise.
1993 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1994 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1995 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1996 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1997 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
1999 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
2000 (INSTALL_LIBGCC): Delete.
2001 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2002 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2003 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2004 (M68K_MLIB_CPU): Define.
2005 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2006 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2007 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
2009 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2010 Richard Guenther <rguenther@suse.de>
2013 * fold-const.c (fold_comparison): Handle obfuscated comparisons
2014 against INT_MIN/INT_MAX.
2015 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
2016 file if a loop is removed.
2018 2007-02-09 Joseph Myers <joseph@codesourcery.com>
2020 * calls.c (store_one_arg): Pass correct alignment to
2021 emit_push_insn for non-BLKmode values.
2022 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
2023 unaligned stack slot via a suitably aligned slot.
2025 2007-02-08 DJ Delorie <dj@redhat.com>
2027 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2029 (legal_subregs): Use unsigned char, make const.
2030 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
2032 2007-02-08 Paul Brook <paul@codesourcery.com>
2034 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2035 special interworking needed.
2037 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
2039 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2040 conditional to __SSE2__.
2041 (Entries below should have been added to first ChangeLog
2042 entry for amdfam10 dated 2007-02-05)
2043 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2045 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2047 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2050 2007-02-08 DJ Delorie <dj@redhat.com>
2052 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2053 * config/m32c/m32c.c (legal_subregs): New.
2054 (m32c_illegal_subreg_p): New.
2055 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2056 unsupported subregs of hard regs.
2058 2007-02-08 Jan Hubicka <jh@suse.cz>
2060 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2061 the same one; always update histograms.
2063 2007-02-08 Diego Novillo <dnovillo@redhat.com>
2065 * passes.c (init_optimization_passes): Tidy comment.
2067 2007-02-08 Roger Sayle <roger@eyesopen.com>
2069 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2070 strip zero_extend, bswap and rotates from POCOUNT's argument.
2071 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2072 zero_extend and rotates from PARITY's argument.
2073 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2074 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2075 of an integer constant at compile-time.
2077 2007-02-08 Diego Novillo <dnovillo@redhat.com>
2080 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2082 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
2085 * tree-ssa-live.c (remove_unused_locals): Do not remove
2086 TREE_ADDRESSABLE variables.
2087 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2088 * tree-ssa-operands.c (add_virtual_operand): Remove argument
2089 FOR_CLOBBER. Update all users.
2090 If VAR has an associated alias set, add a virtual operand for
2091 it if no alias is found to conflict with the memory reference.
2093 2007-02-07 Jan Hubicka <jh@suse.cz>
2094 Robert Kidd <rkidd@crhc.uiuc.edu>
2096 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2098 2007-02-07 Ian Lance Taylor <iant@google.com>
2100 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2102 2007-02-07 Roger Sayle <roger@eyesopen.com>
2104 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2105 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2106 tablejumpdi, movsi_to_cr_one): Remove constraints from
2107 define_expand's match_operands.
2109 2007-02-07 Roger Sayle <roger@eyesopen.com>
2111 * global.c (compute_regsets): Move declatation of "i" inside of
2112 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2114 2007-02-07 Jakub Jelinek <jakub@redhat.com>
2117 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2118 of INDIRECT_REF <RESULT_DECL>.
2120 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2122 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
2123 Kaz Kojima <kkojima@gcc.gnu.org>
2126 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2128 (sh_initialize_trampoline): Add parentheses to avoid a warning.
2130 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2132 * doc/loop.texi: Document possibility not to perform disambiguation
2133 of loops with multiple latches.
2134 * cfgloopmanip.c (alp_enum_p): Removed.
2135 (add_loop): Handle subloops. Use get_loop_body_with_size.
2136 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2137 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2138 the new forwarder block.
2139 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2140 Handle the case latch is NULL.
2141 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2142 when marking loop exits.
2143 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
2145 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
2146 disambiguate_loops_with_multiple_latches.
2147 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2148 before fix_loop_structure.
2149 * cfgloop.c: Include pointer-set.h and output.h.
2150 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2151 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2152 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2153 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2154 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2155 disambiguate_multiple_latches, get_loop_body_with_size,
2156 disambiguate_loops_with_multiple_latches): New functions.
2157 (flow_loop_dump): Dump multiple latch edges.
2158 (flow_loop_nodes_find): Handle loops with multiple latches.
2159 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2160 (glb_enum_p): Modified.
2161 (get_loop_body): Use get_loop_body_with_size.
2162 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2163 (AVOID_CFG_MODIFICATIONS): New constant.
2164 (disambiguate_loops_with_multiple_latches, add_loop,
2165 get_loop_body_with_size): Declare.
2166 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2168 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
2171 * global.c (compute_regsets): New function.
2172 (global_alloc): Refactored ELIMINABLE_REGSET
2173 and NO_GLOBAL_ALLOC_REGS computation out.
2174 (rest_of_handle_global_alloc): Call compute_regsets()
2175 for non-optimizing case.
2177 2007-02-06 Richard Henderson <rth@redhat.com>
2179 * config/i386/constraints.md (Y2): Rename from Y.
2180 (Yi): New constraint.
2181 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2182 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2183 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2184 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2185 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2186 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2187 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2188 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2189 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2190 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2191 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2192 vec_extractv2si_1): Change Y constraints to Y2.
2193 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2194 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2195 Change Y constraints to Y2.
2196 (sse2_loadld): Change Y constraints to x.
2198 2007-02-06 Roger Sayle <roger@eyesopen.com>
2200 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2201 (parity<mode>2): New define_expand using rs6000_emit_parity.
2202 * config/rs6000/rs6000.c (rs6000_emit_popcount,
2203 rs6000_emit_parity): New functions.
2204 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2205 rs6000_emit_parity): Prototype here.
2207 2007-02-06 Ian Lance Taylor <iant@google.com>
2209 * lower-subreg.c (simple_move_operand): Reject CONST.
2210 (resolve_clobber): Call validate_change rather than directly
2211 assigning to XEXP (pat, 0).
2213 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
2215 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2216 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2217 (tree-cfg.o): Remove hashtab.h dependency.
2219 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2220 (struct ivopts_data): Change niters to pointer_map_t.
2221 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2222 (niter_for_exit): Create pointer_map on demand. Change for
2224 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2225 (free_loop_data): Destroy data->niters if created and reset field.
2226 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2227 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2229 * tree-ssa-reassoc.c: Include pointer-set.h.
2230 (bb_rank): Change to long *.
2231 (operand_rank): Change to pointer_map_t.
2232 (find_operand_rank): Return long, -1 if not found. Declare as inline.
2233 (insert_operand_rank): Accept long.
2234 (operand_entry_hash, operand_entry_eq): Remove.
2235 (get_rank): Return long. Adjust for changes above.
2236 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
2238 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2240 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2241 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2242 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
2244 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
2245 directly since it cannot be NULL.
2246 (get_vi_for_tree): Rewrite for pointer_map API.
2247 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2248 (init_alias_vars): Create vi_for_tree as pointer_map.
2249 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2251 * tree-cfg.c: Don't include hashtab.h.
2252 (edge_to_cases): Declare as pointer_map.
2253 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2255 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2256 (start_recording_case_labels): Create edge_to_cases as pointer_map.
2257 (end_recoding_case_labels): Cleanup edge_to_cases manually before
2259 (record_switch_edge): Delete.
2260 (get_cases_for_edge): Adjust for pointer_map API, inline
2261 record_switch_edge (rewritten for new API), remove goto.
2263 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
2265 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2266 * tree-nested.c: Include pointer-set.h.
2267 (var_map_elt, var_map_eq, var_map_hash): Delete.
2268 (struct nesting_info): Remove GTY marker. Change the two htab_t's
2270 (nesting_info_bitmap_obstack): New.
2271 (lookup_field_for_decl): Adjust for pointer_map API.
2272 (lookup_tramp_for_decl): Adjust for pointer_map API.
2273 (get_nonlocal_debug_decl): Adjust for pointer_map API.
2274 (get_local_debug_decl): Adjust for pointer_map API.
2275 (convert_nl_goto_reference): Adjust for pointer_map API.
2276 (convert_nl_goto_receiver): Adjust for pointer_map API.
2277 (create_nesting_tree): Create outside GGC space. Create bitmap on
2278 the new obstack. Create field_map and var_map as pointer_maps.
2279 (free_nesting_tree): Adjust for changes to create_nesting_tree.
2281 (lower_nested_functions): Move root here, no need to NULL it.
2282 Initialize and release the obstack.
2284 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
2286 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2287 Remove prototypes and make them non-static.
2288 (struct tree_int_map): Remove.
2289 * tree.h (struct tree_int_map): Move here, turning TO into an
2291 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2293 * tree.h (TREE_COMPLEXITY): Remove.
2294 (struct tree_exp): Remove complexity field.
2295 * tree.c (build1_stat): Don't set it.
2297 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
2298 Victor Kaplansky <victork@il.ibm.com>
2300 * tree-vectorizer.c (vect_is_simple_use): Support induction.
2301 (vect_is_simple_reduction): Support reduction with induction as
2302 one of the operands.
2303 (vect_is_simple_iv_evolution): Fix formatting.
2304 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2305 formatting. Don't mark induction phis for vectorization.
2306 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2307 * tree-vect-transform.c (get_initial_def_for_induction): New function.
2308 (vect_get_vec_def_for_operand): Support induction.
2309 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2311 (vectorizable_reduction): Support reduction with induction as one of
2313 (vectorizable_type_demotion): Use def-type of stmt argument rather
2314 than dummy def-type.
2316 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2317 flag_tree_scev_cprop.
2318 * common.opt (tree-scev-cprop): New flag.
2320 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2321 call to vect_get_new_vect_var.
2323 2007-02-06 Ira Rosen <irar@il.ibm.com>
2325 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2326 vectype is not NULL.
2327 (vect_pattern_recog_1): Likewise.
2329 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2331 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2332 (fold_negate_expr): Likewise.
2334 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
2337 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2338 even if cv-qualification is the same.
2340 2007-02-05 Geoffrey Keating <geoffk@apple.com>
2342 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2343 __enable_execute_stack on completion.
2345 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2347 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2348 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2349 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2350 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2351 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2352 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2353 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2354 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2356 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2358 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2359 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2360 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2361 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2362 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2363 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2364 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2365 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2366 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2367 umuldi3_highpart_rex64, umulsi3_highpart_insn,
2368 umulsi3_highpart_zext, smuldi3_highpart_rex64,
2369 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2370 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2371 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2372 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2373 sqrtextenddfxf2_i387): Added amdfam10_decode.
2375 * config/i386/athlon.md (athlon_idirect_amdfam10,
2376 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2377 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2378 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2379 athlon_ivector_store_amdfam10): New define_insn_reservation.
2380 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2383 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2385 * config/i386/athlon.md (athlon_call_amdfam10,
2386 athlon_pop_amdfam10, athlon_lea_amdfam10): New
2387 define_insn_reservation.
2388 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2389 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2390 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2392 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2394 * config/i386/athlon.md (athlon_sseld_amdfam10,
2395 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2396 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2398 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2400 * config/i386/athlon.md (athlon_sseins_amdfam10): New
2401 define_insn_reservation.
2402 * config/i386/i386.md (sseins): Added sseins to define_attr type
2403 and define_attr unit.
2404 * config/i386/sse.md: Set type attribute to sseins for insertq
2407 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2409 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2410 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2411 ssecomi_load_amdfam10, ssecomi_amdfam10,
2412 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2413 define_insn_reservation.
2414 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2416 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2418 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2419 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2420 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2421 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2422 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2423 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2424 define_insn_reservation.
2426 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2427 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2428 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2429 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2430 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2432 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2434 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2435 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2436 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2437 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2438 athlon_ssemul_load_k8): Added amdfam10.
2440 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2442 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2443 (x86_sse_unaligned_move_optimal): New variable.
2445 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2447 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2448 for unaligned vector SSE double/single precision loads for AMDFAM10.
2450 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2452 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2453 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2454 Define TARGET_CPU_DEFAULT_amdfam10.
2455 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2456 (processor_type): Add PROCESSOR_AMDFAM10.
2458 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2459 processor_type in config/i386/i386.h.
2460 Enable imul peepholes for TARGET_AMDFAM10.
2462 * config.gcc: Add support for --with-cpu option for amdfam10.
2464 * config/i386/i386.c (amdfam10_cost): New variable.
2465 (m_AMDFAM10): New macro.
2466 (m_ATHLON_K8_AMDFAM10): New macro.
2467 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2468 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2469 x86_promote_QImode, x86_integer_DFmode_moves,
2470 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2471 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2472 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2473 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2474 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2475 Enable/disable for amdfam10.
2476 (override_options): Add amdfam10_cost to processor_target_table.
2477 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2478 processor_alias_table.
2479 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2480 (ix86_adjust_cost): Add code for amdfam10.
2482 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2484 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2485 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2486 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2487 * config/i386/i386.h: Add builtin definition for SSE4A.
2488 * config/i386/i386.md: Add support for ABM instructions
2490 * config/i386/sse.md: Add support for SSE4A instructions
2491 (movntss, movntsd, extrq, insertq).
2492 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2493 Add -march=amdfam10 flag.
2494 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2495 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2497 * doc/extend.texi: Add documentation for SSE4A builtins.
2499 2007-02-05 Bob Wilson <bob.wilson@acm.org>
2501 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2503 2007-02-05 Richard Guenther <rguenther@suse.de>
2505 * tree-vectorizer.h (vectorizable_function): Add argument type
2506 argument, change return type.
2507 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2508 * tree-vect-transform.c (vectorizable_function): Handle extra
2509 argument, return vectorized function decl.
2510 (build_vectorized_function_call): Remove.
2511 (vectorizable_call): Handle calls with result and argument types
2512 differing. Handle loop vectorization factor correctly.
2513 * targhooks.c (default_builtin_vectorized_function): Adjust for
2515 * targhooks.h (default_builtin_vectorized_function): Likewise.
2516 * target.h (builtin_vectorized_function): Add argument type
2518 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2519 extra argument, allow vectorizing of lrintf.
2520 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2521 documentation of target hook.
2523 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
2526 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2527 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2528 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2530 2007-02-05 Roger Sayle <roger@eyesopen.com>
2532 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2533 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2534 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2535 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2536 before canonicalizing sincos to cexpi.
2537 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2539 2007-02-05 Roger Sayle <roger@eyesopen.com>
2541 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2542 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2543 (alpha_init_builtins): Use alpha_add_builtins to process tables.
2545 2007-02-05 Roger Sayle <roger@eyesopen.com>
2547 * mips-tfile.c (initialize_init_file): Correct endianness test.
2549 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
2551 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2554 2007-02-05 Richard Sandiford <richard@codesourcery.com>
2556 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2557 saves in a PARALLEL before the register assignments.
2559 2007-02-05 Richard Sandiford <richard@codesourcery.com>
2561 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2562 DWARF_FRAME_RETURN_COLUMN to be a general register.
2563 * dwarf2out.c (init_return_column_size): New function, split from...
2564 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
2565 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2566 to be nongeneral registers.
2567 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2569 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2570 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2572 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2574 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2576 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2578 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2579 (remove_path): Use can_remove_branch_p and remove_branch instead
2580 of loop_delete_branch_edge.
2581 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2582 (tree_transform_and_unroll_loop): Remove dead branches immediately.
2583 Update profile using scale_dominated_blocks_in_loop.
2584 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2585 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2586 (can_remove_branch_p, remove_branch): Declare.
2587 * tree-cfg.c (tree_can_remove_branch_p): New function.
2588 (tree_cfg_hooks): Add tree_can_remove_branch_p.
2589 * cfgrtl.c (rtl_can_remove_branch_p): New function.
2590 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2592 2007-02-05 Jan Hubicka <jh@suse.cz>
2595 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2596 nodes in cgraph, don't remove offline copy of the function.
2598 2007-02-04 Jan Hubicka <jh@suse.cz>
2600 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2601 vectors might cause maybe_lookup_element_for_expr to be called
2602 on non-sra-candidate.
2604 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
2606 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2607 config/bfin/bfin.md, config/bfin/predicates.md: Follow
2608 spelling conventions.
2610 2007-02-04 Richard Guenther <rguenther@suse.de>
2613 * fold-const.c (try_move_mult_to_index): Make sure to not
2614 overflow one dimension of a multi-dimensional array access.
2616 2007-02-04 Jan Hubicka <jh@suse.cz>
2618 * passes.c (init_optimization_passes): Reindent.
2620 2007-02-04 Jan Hubicka <jh@suse.cz>
2621 Eric Botcazou <ebotcazou@adacore.com>
2623 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2624 (execute_fixup_cfg): Break out the abnormal goto code.
2625 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2626 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2627 (optimize_inline_calls): Call make_nonlocal_label_edges.
2629 2007-02-04 Jan Hubicka <jh@suse.cz>
2631 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2632 true when something was changed.
2633 (rename_ssa_copies): When something was changed, do
2634 TODO_remove_unused_locals.
2635 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2636 add TODO_remove_unused_locals when instruction was removed.
2638 2007-02-04 Jan Hubicka <jh@suse.cz>
2640 * ipa-inline.c (try_inline): Improve debug output; work on already
2642 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2643 call try_inline for already inlined edges too when flattening;
2644 inline also functions that make callee growth but overall unit size
2647 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
2649 * config/m32c/bitops.md, config/m32c/jump.md,
2650 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2651 config/m32r/m32r.h, config/m32r/m32r.md,
2652 config/m32r/predicates.md, config/m68hc11/larith.asm,
2653 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2654 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2655 config/mips/mips-protos.h, config/mips/mips.c,
2656 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2657 config/mn10300/mn10300.h, config/mn10300/predicates.md,
2658 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2659 spelling conventions.
2661 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2662 Follow spelling conventions.
2664 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
2666 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2667 warn about C++0x compatibility.
2669 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
2671 * config/h8300/h8300.c, config/h8300/h8300.h,
2672 config/h8300/h8300.md: Follow spelling conventions.
2674 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
2677 * combine.c (try_combine): Do not substitute source operand
2678 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2680 2007-02-03 Jan Hubicka <jh@suse.cz>
2682 PR gcov-profile/30650
2683 * value-prof.c (stringop_block_profile): Fix handling of size counter;
2684 do not divide by zero for never executed counters.
2685 (tree_find_values_to_profile): Fix counters.
2686 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2688 2007-02-03 Ian Lance Taylor <iant@google.com>
2690 * lower-subreg.c (simple_move_operand): New static function,
2691 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
2693 (simple_move): Call simple_move_operand.
2694 (find_decomposable_subregs): Add special handling of MEMs.
2695 (can_decompose_p): Rename from cannot_decompose_p. Reverse
2696 meaning of return value. If we see a hard register, test whether
2697 it can store a word_mode value. Change all callers.
2699 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2701 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2702 ftrapv insns and expanders.
2703 (subdi3): Change define_expand operand 1 to arith11_operand, and
2704 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
2705 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
2706 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2710 * varasm.c (notice_global_symbol): Treat global objects as weak when
2713 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2715 * emit-rtl.c (dconstpi): Delete.
2717 (init_emit_once): Delete dconstpi and init dconstsqrt2.
2718 * real.h (dconstpi): Delete.
2720 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2721 (fold_builtin_hypot): Likewise.
2723 2007-02-03 Tom Tromey <tromey@redhat.com>
2726 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2727 -gcoff3, -gxcoff3, -gvms3 implies -dD.
2729 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
2731 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2732 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2733 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2734 config/rs6000/cell.md, config/rs6000/darwin.h,
2735 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2736 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2737 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2738 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2739 typos. Follow spelling conventions.
2740 * doc/invoke.texi: Follow spelling conventions.
2742 2007-02-03 Roger Sayle <roger@eyesopen.com>
2744 * simplify-rtx.c (simplify_relational_operation_1): Implement some
2745 canonicalization transformations that attempt to simplify integer
2746 constant comparisons to become comparisons against zero.
2748 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2750 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2752 * fold-const.c (fold_binary): Fix comment typos. Fold complex
2753 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
2755 2007-02-02 Mike Stump <mrs@apple.com>
2757 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2758 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2759 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2760 generate a branch island.
2762 2007-02-02 Bob Wilson <bob.wilson@acm.org>
2764 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2765 (xtensa_legitimate_address_p): New.
2766 (xtensa_legitimize_address): New.
2767 (xtensa_output_addr_const_extra): New.
2768 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2770 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2771 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2772 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2773 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2774 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2775 (xtensa_legitimize_address): New.
2776 (xtensa_output_addr_const_extra): New.
2778 2007-02-02 Steve Ellcey <sje@cup.hp.com>
2780 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2782 2007-02-02 Ian Lance Taylor <iant@google.com>
2784 * expmed.c (expand_divmod): Add comment.
2786 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
2788 * emit-rtl.c (renumber_insns): Remove.
2789 * flags.h: Remove the extern for flag_renumber_insns.
2790 * rtl.h: Remove the prototype for renumber_insns.
2791 * toplev.c (flag_renumber_insns): Remove.
2793 2007-02-02 Hui-May Chang <hm.chang@apple.com>
2795 Revert for x86 darwin:
2796 2005-06-19 Uros Bizjak <uros@kss-loka.si>
2798 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2799 code before the following patch under TARGET_MACHO.
2800 (ix86_function_value_regno_p): Likewise.
2802 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2804 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2807 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2810 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2811 general or fp registers. Add comments.
2812 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2814 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
2816 * pointer-set.c (insert_aux): Only return insertion slot.
2817 (pointer_set_insert): Adjust.
2818 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
2819 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
2820 pointer_map_traverse): New.
2821 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
2822 pointer_map_create, pointer_map_destroy, pointer_map_insert,
2823 pointer_map_contains, pointer_map_traverse): Declare.
2825 2007-02-02 Jakub Jelinek <jakub@redhat.com>
2828 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2829 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
2831 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2833 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
2835 (struct _dep): New type.
2836 (dep_t): New typedef.
2837 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
2838 (DEP_STATUS): New access macro. The macro with the same name was
2839 renamed to DEP_LINK_STATUS.
2840 (dep_init): Declare function
2842 (struct _dep_link): New type.
2843 (dep_link_t): New typedef.
2844 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
2845 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
2846 (DEP_LINK_STATUS): New macro.
2847 (debug_dep_links): New debug function.
2849 (struct _deps_list): New type.
2850 (deps_list_t): New typedef.
2851 (DEPS_LIST_FIRST): New access macro.
2852 (FOR_EACH_DEP_LINK): New cycle macro.
2853 (create_deps_list, free_deps_list, delete_deps_list): Declare
2855 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
2856 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
2857 (copy_deps_list_change_con): Ditto.
2859 (move_dep_link): Declare function.
2861 (struct _dep_node): New type.
2862 (dep_node_t): New typedef.
2863 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
2865 (struct haifa_insn_data.back_deps): New field to hold backward
2866 dependencies of the insn.
2867 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
2869 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
2870 Change its type to deps_list_t.
2871 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
2872 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
2873 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
2875 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
2877 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
2879 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
2881 (dep_cost): Declare.
2883 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
2884 (ds_to_dk, dk_to_ds): New functions.
2886 (init_dep_1): New static function.
2887 (init_dep): New function.
2888 (copy_dep): New static function.
2890 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
2892 (detach_dep_link): New static function.
2893 (move_dep_link): New function.
2895 (dep_links_consistent_p, dump_dep_links): New static functions.
2896 (debug_dep_links): New debugging function.
2898 (deps_obstack, dl_obstack, dn_obstack): New static variables.
2900 (alloc_deps_list, init_deps_list): New static functions.
2901 (create_deps_list): New function.
2902 (clear_deps_list): New static function.
2903 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
2904 (deps_list_consistent_p, dump_deps_list): New static functions.
2905 (debug_deps_list): New function.
2906 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
2908 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
2910 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
2911 use new scheduler dependencies lists.
2912 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
2913 (sched_analyze): Ditto. Initialize dependencies lists.
2914 (add_forw_dep, compute_forward_dependences): Update to use new
2915 scheduler dependencies lists.
2917 (init_dependency_caches): Init deps_obstack.
2918 (free_dependency_caches): Free deps_obstack.
2920 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
2921 new scheduler dependencies lists.
2922 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
2923 (add_back_forw_dep, delete_back_forw_dep): Ditto.
2925 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
2926 Update to use new scheduler dependencies lists.
2927 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
2928 (debug_dependencies): Ditto.
2929 (schedule_region): Update comments.
2931 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
2932 scheduler dependencies lists.
2933 (schedule_ebb): Update comments.
2935 * rtl.def (DEPS_LIST): Remove.
2937 * lists.c (unused_deps_list): Remove.
2938 (free_list): Update assertions.
2940 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
2941 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2943 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
2944 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2946 * haifa-sched.c (comments): Update.
2947 (insn_cost1): Remove. Inline the code into insn_cost ().
2948 (insn_cost): Update to use new scheduler dependencies lists. Move
2949 processing of the dependency cost to dep_cost ().
2950 (dep_cost): New function. Use it instead of insn_cost () when
2951 evaluating cost of the dependency. Use compatible interface to
2952 interact with the target.
2953 (priority): Update to use new scheduler dependencies lists.
2954 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
2955 with greater number of insns that depend on the insn.
2956 (schedule_insn): Update to use new scheduler dependencies lists. Add
2957 code to free backward dependencies lists. Inline and optimize code
2958 from resolve_dep () - see PR28071.
2959 (ok_for_early_queue_removal): Update to use new scheduler dependencies
2960 lists. Update call to targetm.sched.is_costly_dependence hook.
2962 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
2963 scheduler dependencies lists.
2965 (resolve_dep): Remove. Move the logic to schedule_insn ().
2966 (init_h_i_d): Initialize dependencies lists.
2968 (process_insn_depend_be_in_spec): Rename to
2969 process_insn_forw_deps_be_in_spec. Update to use new scheduler
2971 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
2972 Update to use new scheduler dependencies lists.
2973 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
2975 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
2976 new scheduler dependencies lists.
2977 (build_intra_loop_deps): Ditto.
2979 * target.h (struct _dep): Declare to use in
2980 gcc_target.sched.is_costly_dependence.
2981 (struct gcc_target.sched.adjust_cost): Fix typo.
2982 (struct gcc_target.sched.is_costly_dependence): Change signature to use
2983 single dep_t parameter instead of an equivalent triad.
2984 (struct gcc_target.sched.adjust_cost_2): Remove.
2986 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
2988 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
2990 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
2992 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
2994 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
2995 (REG_DEP_TRUE): Document.
2997 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
2998 Change signature to correspond to the targetm.sched.adjust_cost hook.
2999 Update use in TARGET_SCHED_ADJUST_COST_2.
3000 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
3001 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
3002 new scheduler dependencies lists.
3003 (ia64_gen_check): Ditto.
3005 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
3008 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
3009 signature to correspond to the targetm.sched.is_costly_dependence hook.
3010 (is_costly_group): Update to use new scheduler dependencies lists.
3012 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
3013 instead of INSN_COST () macro.
3015 2007-02-01 Ian Lance Taylor <iant@google.com>
3017 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
3019 2007-02-01 Guy Martin <gmsoft@gentoo.org>
3021 * pa.md (tp_load): Correct mfctl instruction syntax.
3023 2007-02-01 Geoffrey Keating <geoffk@apple.com>
3025 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
3026 altivec_padding_size calculation on AIX. Improve comment, add
3027 assert to verify that it's right.
3029 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3032 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
3035 * global.c (global_alloc): Add mising initialization of
3038 2007-02-01 Roger Sayle <roger@eyesopen.com>
3040 * alias.c (init_alias_analysis): Correct whitespace.
3041 * bb-reorder.c (fix_edges_for_rarely_executed_code,
3042 partition_hot_cold_basic_blocks): Likewise.
3043 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3044 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3045 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3046 fold_builtin_snprintf_chk, fold_builtin_printf,
3047 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3048 do_mpfr_arg3, do_mpfr_sincos): Likewise.
3049 * cfgcleanup.c (cleanup_cfg): Likewise.
3050 * cfgexpand.c (tree_expand_cfg): Likewise.
3051 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3052 * function.c (get_next_funcdef_no): Likewise.
3053 * gengtype.c (main): Likewise.
3054 * genmodes.c (main): Likewise.
3055 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3056 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3057 * ifcvt.c (noce_emit_move_insn): Likewise.
3058 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3060 * stor-layout.c (get_best_mode): Likewise.
3061 * tree-ssa-loop-niter.c (get_val_for): Likewise.
3062 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3063 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3064 perform_var_substitution, solve_graph): Likewise.
3065 * tree-vrp.c (vrp_finalize): Likewise.
3067 2007-02-01 Ian Lance Taylor <iant@google.com>
3069 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3070 high part of a paradoxical subreg, return a constant zero.
3072 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
3074 * toplev.c (lang_dependent_init): Call init_set_costs.
3075 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3077 2007-02-01 Richard Guenther <rguenther@suse.de>
3080 * fold-const.c (fold_negate_expr): Allow negating a
3081 constant if overflow does not change.
3083 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3085 * doc/c-tree.texi (Expression trees): Improve markup.
3086 * doc/tm.texi (Register Classes, Addressing Modes)
3087 (Floating Point): Fix spacing after abbreviations. Fix some
3090 2007-02-01 Ben Elliston <bje@au.ibm.com>
3092 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3093 * doc/contrib.texi: Likewise.
3094 * doc/install.texi: Likewise.
3096 2007-01-31 Richard Henderson <rth@redhat.com>
3097 Ian Lance Taylor <iant@google.com>
3099 * lower-subreg.c: New file.
3100 * rtl.def (CONCATN): Define.
3101 * passes.c (init_optimization_passes): Add pass_lower_subreg and
3103 * emit-rtl.c (update_reg_offset): New static function, broken out
3104 of gen_rtx_REG_offset.
3105 (gen_rtx_REG_offset): Call update_reg_offset.
3106 (gen_reg_rtx_offset): New function.
3107 * regclass.c: Revert patch of 2006-03-05, restoring
3109 (clear_reg_info_regno): New function.
3110 * dwarf2out.c (concatn_loc_descriptor): New static function.
3111 (loc_descriptor): Handle CONCATN.
3112 * common.opt (fsplit_wide_types): New option.
3113 * opts.c (decode_options): Set flag_split_wide_types when
3115 * timevar.def (TV_LOWER_SUBREG): Define.
3116 * rtl.h (gen_reg_rtx_offset): Declare.
3117 (reg_scan_update): Declare.
3118 * regs.h (clear_reg_info_regno): Declare.
3119 * tree-pass.h (pass_lower_subreg): Declare.
3120 (pass_lower_subreg2): Declare.
3121 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3122 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
3124 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3125 * Makefile.in (OBJS-common): Add lower-subreg.o.
3126 (lower-subreg.o): New target.
3128 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
3130 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3132 2007-01-31 Anatoly Sokolov <aesok@post.ru>
3135 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3137 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3140 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3142 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
3144 * cfgloop.h: Include vec-prim.h.
3145 (enum li_flags): Remove LI_ONLY_OLD.
3146 (loop_iterator): Changed.
3147 (fel_next, fel_init): Iterate over loop tree.
3148 (FOR_EACH_LOOP_BREAK): New macro.
3149 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3151 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3152 * modulo-sched.c (sms_schedule): Ditto.
3153 * tree-vectorizer.c (vectorize_loops): Ditto.
3154 * doc/loop.texi: Update information on loop numbering and behavior of
3155 FOR_EACH_LOOP wrto new loops.
3156 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3157 add_to_evolution_1): Test nestedness of loops instead of comparing
3159 * tree-chrec.c (chrec_fold_plus_poly_poly,
3160 chrec_fold_multiply_poly_poly, chrec_evaluate,
3161 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3162 reset_evolution_in_loop): Ditto.
3163 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3165 2007-01-31 Dirk Mueller <dmueller@suse.de>
3167 * c-common.c (warn_about_parentheses): Separate warning about
3168 un-parenthized sequence of comparison operators from the one
3169 which is supposed to warn about x <= y <= z.
3171 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
3173 * optabs.h (enum optab_index): Add new OTI_isinf.
3174 (isinf_optab): Define corresponding macro.
3175 * optabs.c (init_optabs): Initialize isinf_optab.
3176 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3178 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3179 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3181 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3182 expand_builtin_interclass_mathfn.
3183 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3184 * config/i386/i386.md (UNSPEC_FXAM): New constant.
3185 (fxam<mode>2_i387): New insn pattern.
3186 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3187 built-in functions as x87 inline asm.
3189 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
3191 * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3193 2007-01-30 Eric Christopher <echristo@apple.com>
3195 * config.gcc: Add geode.
3197 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
3199 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3200 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3201 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3202 value-prof.c: Fix comment typos.
3204 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3207 * doc/invoke.texi (Wpointer-arith): Document warning.
3209 2007-01-30 Janis Johnson <janis187@us.ibm.com>
3211 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3212 the list of discrepancies from the draft TR.
3214 2007-01-30 Dirk Mueller <dmueller@suse.de>
3217 * doc/invoke.texi (-Wreturn-type): Update description to
3220 2007-01-30 Richard Sandiford <richard@codesourcery.com>
3222 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3224 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
3226 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3227 to handle optabs that operate on floating point input argument and
3228 output to integer output.
3229 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3230 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3231 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3232 expand_builtin_interclass_mathfn ().
3233 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3235 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3236 ilogbl built-in functions as x87 intrinsics.
3238 2007-01-30 Richard Guenther <rguenther@suse.de>
3241 * dwarf2out.c (reference_to_unused): Query varpool if the
3242 variable was output.
3244 2007-01-30 Richard Guenther <rguenther@suse.de>
3247 * passes.c (execute_one_pass): Reset in_gimple_form to not
3248 confuse non-unit-at-a-time mode.
3250 2007-01-29 Roger Sayle <roger@eyesopen.com>
3251 Richard Guenther <rguenther@suse.de>
3253 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3254 avoid undefined behaviour on overflow. Use force_fit_type_double
3255 to construct the constant with the specified TREE_OVERFLOW.
3257 2007-01-29 Janis Johnson <janis187@us.ibm.com>
3259 * config/dfp-bit.c: Add parameterized support for fp exceptions.
3260 * config/dfp-bit.h: Ditto.
3262 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3264 * c-decl.c (pop_scope): Replace warnings with call to
3265 warn_for_unused_label.
3266 * c-common.h (warn_for_unused_label): Declare.
3267 * c-common.c (warn_for_unused_label): Define.
3269 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3271 * tree-optimize.c (update_inlined_to_pointers): Delete unused
3274 2007-01-29 Janis Johnson <janis187@us.ibm.com>
3276 * Makefile.in (USER_H): Remove decfloat.h.
3277 * ginclude/decfloat.h: Delete, moving contents to ...
3278 * ginclude/float.h: Add support for decimal floating point,
3279 guarded by __STDC_WANT_DEC_FP__.
3281 2007-01-29 Mike Stump <mrs@apple.com>
3283 * doc/gccint.texi (Top): Rename Loop Representation to Loop
3284 Analysis and Representation to resolve case insensitive conflict.
3285 * doc/loop.texi (Loop Analysis and Representation): Likewise.
3287 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
3289 * tree.h (struct tree_memory_tag): Add aliases member.
3290 (MTAG_ALIASES): New macro.
3291 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3292 (add_may_alias): Remove pointer-set. Update for may_aliases being
3294 (mark_aliases_call_clobbered): Update for may_aliases being a
3296 (compute_tag_properties): Ditto.
3297 (create_partition_for): Ditto.
3298 (compute_memory_partitions): Ditto.
3299 (dump_may_aliases_for): Ditto.
3300 (is_aliased_with): Ditto.
3301 (add_may_alias_for_new_tag): Ditto.
3302 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3303 (compute_is_aliased): New function.
3304 (compute_may_aliases): Call compute_is_aliased).
3305 (init_alias_info): Initialize alias_bitmap_obstack.
3306 (union_alias_set_into): New function.
3307 (compute_flow_sensitive_aliasing): Use union_aliases_into.
3308 (have_common_aliases_p): Rewrite to take two bitmaps and use
3310 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3312 (finalize_ref_all_pointers): Update for add_may_alias changes.
3313 (new_type_alias): Ditto.
3314 * tree-flow-inline.h (may_aliases): Return a bitmap.
3315 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3316 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3317 may_aliases being a bitmap.
3318 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3319 may_aliases now returns a bitmap.
3320 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3322 * tree-ssa-operands.c (add_virtual_operand): Update for
3323 may_aliases being a bitmap.
3325 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
3327 PR tree-optimization/30630
3328 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3329 variable as changed.
3331 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
3334 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3335 expanded only once even if an error occurs.
3337 2007-01-29 Ben Elliston <bje@au.ibm.com>
3339 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3340 (__gcov_average_profiler): Likewise.
3341 (__gcov_ior_profiler): Likewise.
3342 (__gcov_merge_ior): Likewise.
3344 2007-01-28 Jan Hubicka <jh@suse.cz>
3346 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3347 * value-prof.c (stringop_block_profile): Likewise.
3349 2007-01-28 Jan Hubicka <jh@suse.cz>
3351 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3352 variant handling histograms; add wrapper.
3353 (clear_storage_via_libcall): Export.
3354 (emit_block_move_hints): Break out from ...; add histograms.
3355 (emit_block_move): ... this one.
3356 (clear_storage_hints): Break out from ...; add histograms.
3357 (clear_storage): ... this one.
3358 (set_storage_via_memset): Handle histogram.
3359 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3360 (clear_storage_hints, clear_storage_via_libcall): Declare.
3361 (set_storage_via_setmem): Update prototype.
3362 * doc/md.texi (movmem, setmem): Document new arguments.
3364 * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3366 (stringop_block_profile): New global function.
3367 (tree_stringops_values_to_profile): Profile block size and alignment.
3368 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3370 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3371 (stringop_block_profile): Declare.
3372 * builtins.c: Include value-prof.h.
3373 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3374 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3375 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3376 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3377 * profile.c (instrument_values): Add new counters.
3378 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3380 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3381 (tree_init_edge_profiler): Build new profilers.
3382 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3383 (pass_tree_profile): Add dump.
3384 (tree_profile_hooks): Update.
3385 * Makefile.in (LIBGCOV): Add new constants.
3386 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3387 __gcov_ior_profiler): New.
3388 * i386.md (movmem/setmem expanders): Add new optional arguments.
3390 2007-01-28 David Edelsohn <edelsohn@gnu.org>
3392 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3394 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
3396 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3397 (tree_unswitch_single_loop): Pass eni_size_weights to
3398 tree_num_loop_insns.
3399 * tree-ssa-loop-manip.c: Include tree-inline.h.
3400 (can_unroll_loop_p): Pass eni_size_weights to
3401 tree_num_loop_insns.
3402 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3403 Pass eni_size_weights to estimate_num_insns.
3404 * tree.h (init_inline_once): Export.
3405 * toplev.c (backend_init): Call init_inline_once.
3406 * cgraphunit.c (cgraph_process_new_functions,
3407 cgraph_analyze_function): Pass eni_inlining_weights to
3409 * ipa-inline.c (compute_inline_parameters): Ditto.
3410 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3411 to estimate_num_insns.
3412 (try_unroll_loop_completely): Pass eni_size_weights to
3413 tree_num_loop_insns.
3414 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3415 ot estimate_num_insns.
3416 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3417 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3418 * tree-inline.c (eni_inlining_weights, eni_size_weights,
3419 eni_time_weights): New variables.
3420 (init_inline_once): Initialize them.
3421 (struct eni_data): Mew.
3422 (estimate_num_insns_1, estimate_num_insns): Use weights.
3423 * tree-inline.h (struct eni_weights_d): New.
3424 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3425 (estimate_num_insns): Declaration changed.
3426 * cfgloop.h (tree_num_loop_insns): Declaration changed.
3427 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3428 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3430 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
3432 * tree-data-ref.c (conflict_fn): Assert that the number of affine
3433 relations in the conflict function is valid.
3435 2007-01-27 Ian Lance Taylor <iant@google.com>
3437 * common.opt: Add fstrict-overflow.
3438 * opts.c (decode_options): Set flag_strict_overflow if -O2.
3439 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3440 (TYPE_OVERFLOW_UNDEFINED): Define.
3441 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
3443 * tree.h (TYPE_TRAP_SIGNED): Don't define.
3444 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3445 (fold_negate_expr): Likewise.
3446 (make_range): Likewise.
3447 (extract_muldiv_1): Likewise.
3448 (maybe_canonicalize_comparison): Likewise.
3449 (fold_comparison): Likewise.
3450 (fold_binary): Likewise.
3451 (tree_expr_nonnegative_p): Likewise.
3452 (tree_expr_nonzero_p): Likewise.
3453 * tree-vrp.c (compare_values): Likewise.
3454 (extract_range_from_binary_expr): Likewise.
3455 (extract_range_from_unary_expr): Likewise.
3456 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3458 (nowrap_type_p): Likewise.
3459 * tree-scalar-evolution.c (simple_iv): Likewise.
3460 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3461 (build_range_check): Likewise.
3462 (extract_muldiv_1): Likewise.
3463 (fold_comparison): Likewise.
3464 * tree-vrp.c (vrp_int_const_binop): Likewise.
3465 (extract_range_from_unary_expr): Likewise.
3466 * convert.c (convert_to_integer): Likewise.
3467 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3468 (fold_comparison): Likewise.
3469 (fold_binary): Likewise.
3470 * optabs.c (optab_for_tree_code): Likewise.
3471 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3472 * simplify-rtx.c (simplify_const_relational_operation): Check
3473 flag_strict_overflow and flag_trapv.
3474 (simplify_const_relational_operation): Likewise.
3475 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3476 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
3479 2007-01-27 Roger Sayle <roger@eyesopen.com>
3481 * tree.c (tree_fold_gcd): Delete.
3482 * tree.h (tree_fold_gcd): Remove prototype.
3483 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3484 test whether one constant integer is a multiple of another. Instead
3485 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3486 * fold-const.c (multiple_of_p): We've determined both TOP and
3487 BOTTOM are integer constants so we can call int_const_binop directly
3488 instead of the more generic const_binop.
3490 2007-01-27 Roger Sayle <roger@eyesopen.com>
3492 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3493 1*X check that the constant hasn't overflowed, to preserve the
3495 (round_up): Provide an efficient implementation when rouding-up an
3496 INTEGER_CST to a power-of-two.
3498 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3500 * doc/sourcebuild.texi: Add comma for clarity.
3501 * doc/extend.texi: Fix some typos.
3502 * doc/passes.texi: Likewise.
3503 * doc/cppinternals.texi: Likewise.
3504 * doc/c-tree.texi: Likewise.
3505 * doc/tree-ssa.texi: Likewise.
3506 * doc/install.texi: Likewise.
3508 2007-01-27 Jan Hubicka <jh@suse.cz>
3510 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3511 (pass_sra): Do not require alias information.
3512 * passes.c (init_optimization_passes): Add SRA
3514 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
3516 * tracer.c (rest_of_handle_tracer): We already cleaned
3517 up the CFG in tracer() so don't do it here again.
3518 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3519 cleanup_cfg here, either. And don't call renumber_insns.
3521 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3522 and BB_HEAD are in the insn stream here. Instead make sure
3523 that BB_INSN is valid on all insns. Also, do check here that
3524 there are no pending branch predictions...
3525 (rtl_verify_flow_info): ...instead of doing it here. Checks
3526 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3529 2007-01-26 Roger Sayle <roger@eyesopen.com>
3531 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3532 function to simplify/factorize operand order canonicalization.
3533 (ix86_fixup_binary_operands): Reorganize using the above function.
3534 (ix86_binary_operator_ok): Likewise.
3536 2007-01-27 Jakub Jelinek <jakub@redhat.com>
3538 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3539 file scope from optimize_attrs.
3540 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3542 (optimize_attrs): Clear insn_code_values after freeing it.
3544 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
3546 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3547 a parts.base assignment.
3549 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
3551 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3552 (compute_subscript_distance, initialize_data_dependence_relation,
3553 finalize_ddr_dependent, analyze_ziv_subscript,
3554 analyze_siv_subscript_cst_affine,
3555 compute_overlap_steps_for_affine_univar,
3556 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3557 analyze_siv_subscript, analyze_miv_subscript,
3558 analyze_overlapping_iterations, subscript_dependence_tester_1,
3559 compute_self_dependence, free_dependence_relation): Work
3560 with affine_fn instead of chrecs.
3561 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3562 common_affine_function, affine_function_base,
3563 affine_function_constant_p, affine_fn_op, affine_fn_plus,
3564 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3565 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3566 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3567 (all_chrecs_equal_p): Removed.
3568 * tree-data-ref.h (affine_fn, conflict_function): New types.
3569 (struct subscript): Change type of conflicting_iterations_in_a
3570 and conflicting_iterations_in_b.
3572 2007-01-26 Steve Ellcey <sje@cup.hp.com>
3575 * config/pa/pa.h (TARGET_HPUX_11): New.
3576 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3577 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3579 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
3580 Richard Guenther <rguenther@suse.de>
3582 * tree-ssa-structalias.c (solve_graph): Handle case
3583 we merged the variable to another.
3585 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3587 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3590 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3591 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3593 2007-01-25 DJ Delorie <dj@redhat.com>
3595 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3596 allow changes to modes which don't fit in those registers.
3598 * reload1.c (choose_reload_regs): Check for invalid subregs before
3599 computing their locations, not after.
3601 2007-01-25 Geoffrey Keating <geoffk@apple.com>
3604 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3605 save Altivec registers in an eh_return function.
3606 (compute_vrsave_mask): Likewise.
3607 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3608 for saving Altivec registers.
3609 (rs6000_emit_prologue): Don't allocate stack twice in
3610 eh_return function. Correct expected value of altivec_save_offset
3611 when using save_world. Describe save of R0 to stack when using
3612 save_world. Describe stack pointer adjustment when using
3613 save_world. Remove duplicated eh_return parameter register saving.
3614 Update sp_offset variable after save_world.
3615 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3617 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3618 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3621 2007-01-25 Steve Ellcey <sje@cup.hp.com>
3623 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3625 2007-01-25 Steve Ellcey <sje@cup.hp.com>
3628 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3629 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
3631 2007-01-25 Richard Guenther <rguenther@suse.de>
3633 * doc/invoke.texi (-Wcoverage-mismatch): Document.
3634 * common.opt (-Wcoverage-mismatch): New warning option.
3635 * coverage.c (get_coverage_counts): Ignore coverage mismatch
3636 if -Wcoverage-mismatch is given.
3638 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
3640 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3641 (ipcp_driver): Change to static definition.
3642 Add dumping of the ifunctions.
3643 (constant_val_insert): Remove unused parameter. Support for SSA.
3644 (ipcp_propagate_const): Support for SSA.
3645 (ipcp_profile_bb_print): Print only analyzed nodes.
3646 (ipcp_replace_map_create): Remove support for Fortran constant
3648 * ipa-prop.c (ipa_method_modify_stmt,
3649 ipa_callsite_compute_param): Support for SSA.
3650 * ipa-prop.h (ipcp_driver): Remove declaration.
3651 (IS_VALID_TREE_MAP_INDEX): Add define.
3653 2007-01-24 Geoffrey Keating <geoffk@apple.com>
3655 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3657 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3660 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3661 constant argument to cabs and do it without checking for
3662 -funsafe-math-optimizations.
3664 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
3666 * c-common.h (RID_FIRST_CXX0X): New.
3667 (RID_LAST_CXX0X): New.
3668 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3670 * c.opt (Wc++0x-compat): New.
3671 * doc/invoke.texi (-Wc++0x-compat): Document.
3673 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3675 * builtins.c (fold_builtin_carg): New.
3676 (fold_builtin_1): Use it.
3678 2007-01-24 Jan Hubicka <jh@suse.cz>
3680 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3682 * ipa-inline.c (initial_insns, max_insns): Delete.
3683 (compute_max_insns): New function.
3684 (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3685 of insns as base for code growth.
3686 (cgraph_decide_inlining): Make initial_insns local; do not compute
3688 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3689 * doc/invoke.texi (inline-unit-growth): Update docs.
3691 2007-01-24 Jakub Jelinek <jakub@redhat.com>
3693 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3694 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3695 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3696 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
3697 for CPUs that have PTA_CX16 set.
3700 * gimplify.c (omp_check_private): New function.
3701 (gimplify_scan_omp_clauses): Use it for
3702 firstprivate/lastprivate/reduction.
3705 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3706 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3709 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3710 If lower_lastprivate_clauses emits some statements, append them
3711 to dlist rather than body_p and to body_p append an initializer.
3712 (lower_omp_for): Adjust caller.
3714 2007-01-24 Steve Ellcey <sje@cup.hp.com>
3716 * target.h (globalize_decl_name): New.
3717 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3718 * output.h (default_globalize_decl_name): New.
3719 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3721 (globalize_decl): Ditto.
3722 (default_globalize_decl_name): New.
3723 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3724 (ia64_handle_version_id_attribute): New.
3725 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3726 (ia64_asm_output_external): Use globalize_decl_name instead
3728 * doc/extend.texi (version_id): New pragma.
3729 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3731 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
3733 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3734 _uleb128_t and _Unwind_SWord with _sleb128_t.
3735 * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3736 uw_frame_state_for, uw_update_context_1): Likewise.
3737 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3738 * unwind-pe.h (read_uleb128, read_sleb128,
3739 read_encoded_value_with_base): Likewise.
3740 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3742 2007-01-24 Richard Guenther <rguenther@suse.de>
3744 * builtins.c (expand_builtin_cexpi): Get the fndecl
3745 for cexp in the correct way.
3747 2007-01-24 Jan Hubicka <jh@suse.cz>
3749 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3751 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
3753 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3754 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3755 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3756 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3757 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3758 __SIZEOF_PTRDIFF_T__.
3759 * doc/cpp.texi: Documentation for the new builtin macros added.
3761 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
3763 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
3764 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
3765 instead of operands[2] to avoid access past the end of array.
3767 2007-01-24 Richard Sandiford <richard@codesourcery.com>
3769 * reload1.c (emit_reload_insns): Pass the reload register
3770 for a non-spill output reload through forget_old_reloads_1.
3772 2007-01-23 Joseph Myers <joseph@codesourcery.com>
3774 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3775 _SOFT_DOUBLE if doubles use software floating-point.
3776 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
3777 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3778 * config/rs6000/darwin-ldouble.c: Also compile functions for
3779 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
3780 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3781 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
3782 commented-out long double override.
3783 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
3784 * config/rs6000/eabispe.h: Likewise.
3785 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
3786 long double for non-SPE.
3787 (rs6000_handle_option): Likewise.
3788 (invalid_e500_subreg): Disallow more subregs involding DImode,
3789 DFmode, TImode or TFmode.
3790 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
3792 (legitimate_lo_sum_address_p): Also check for TFmode for E500
3794 (rs6000_legitimize_address): Also handle TFmode for E500 double.
3795 (rs6000_legitimize_reload_address): Also handle TFmode for E500
3797 (rs6000_legitimate_address): Also check for TFmode for E500
3799 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
3800 (spe_build_register_parallel): Handle TFmode and TCmode.
3801 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
3803 (function_arg): Handle TFmode and TCmode for E500 double.
3804 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
3806 (print_operand): Handle TFmode and TImode for %y.
3807 (rs6000_generate_compare): Handle TFmode comparisons for E500
3809 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
3810 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
3811 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
3812 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
3813 TFmode for E500 double.
3814 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
3815 (floatsidf2): Enable for E500 double.
3816 (movtf_softfloat): Use rs6000_nonimmediate_operand.
3817 (extenddftf2): Change to extenddftf2_fprs.
3818 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
3819 depending on TARGET_E500_DOUBLE.
3820 (extendsftf2): Enable for E500 double.
3821 (trunctfdf2): Enable for E500 double.
3822 (trunctfsf2): Change to trunctfsf2_fprs.
3823 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
3824 depending on TARGET_E500_DOUBLE.
3825 (floatsitf2): Enable for E500 double.
3826 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
3827 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
3828 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
3829 (negtf2): Change to negtf2_internal.
3830 (negtf2): New expander.
3831 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
3832 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
3833 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
3834 (movdi_internal32): Use rs6000_nonimmediate_operand.
3835 (unnamed splitter): Likewise.
3836 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
3837 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
3838 (SPE64TF, DITI): New mode macros.
3839 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
3842 (frob_<mode>_di_2): New.
3843 (frob_tf_di_8_2): New.
3844 (frob_di_df): Change to frob_di_<mode>; allow more modes.
3846 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
3848 (frob_ti_<mode>_8_2): New.
3849 (frob_ti_tf_2): New.
3850 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
3851 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
3853 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
3854 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
3855 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
3856 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
3857 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
3858 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
3861 2007-01-23 Ian Lance Taylor <iant@google.com>
3863 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
3865 (OBJS-archive): Reformat, alphabetize.
3866 (OBJS): Change out_object_file to OBJS-md.
3868 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
3870 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
3871 JUMP_P and CALL_P predicates where applicable.
3872 * config/i386/i386.c: Ditto.
3873 * config/i386/i386.md: Ditto.
3874 * config/i386/mmx.md: Ditto.
3875 * config/i386/predicates.md: Ditto.
3877 2007-01-22 Andreas Schwab <schwab@suse.de>
3879 * config/m68k/m68k.h: Fix comment.
3881 2007-01-22 Jan Hubicka <jh@suse.cz>
3883 * passes.c (init_optimization_passes): Do not rerun
3884 pass_early_warn_uninitialized.
3886 2007-01-22 Richard Guenther <rguenther@suse.de>
3888 PR tree-optimization/30038
3889 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
3891 (execute_cse_sincos_1): Likewise.
3892 (execute_cse_sincos): Likewise.
3893 (gate_cse_sincos): Likewise.
3894 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
3895 the cexpi() canonicalization of sincos().
3896 * tree-pass.h (pass_cse_sincos): Declare.
3897 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
3899 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3901 PR rtl-optimization/29329
3902 * combine.c (replaced_rhs_insn): Rename to i2mod.
3903 (replaced_rhs_value): Rename to i2mod_new_rhs.
3904 (i2mod_old_rhs): New global variable.
3905 (combine_instructions): Adjust for above change. Save a copy of
3906 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
3907 note are substituted in the second instruction.
3908 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
3909 ditch the note if it pertains to the second eliminated register
3910 and this register is mentioned in i2mod_old_rhs.
3913 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3915 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3916 the insn to which the note was originally attached.
3918 2007-01-21 Jan Hubicka <jh@suse.cz>
3920 * ipa-inline.c (inlining_mode): Comment, move up.
3921 (cgraph_decide_inlining_incrementally): Do not perform inlining
3922 itself; fix handling of flattening of self recursive functions.
3923 (cgraph_find_cycles): Remove.
3924 (cgraph_flatten_node): Remove.
3925 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
3926 (try_inline): New function.
3927 (cgraph_early_inlining): Update call of
3928 cgraph_decide_inlining_incrementally. Apply inlining here.
3929 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
3931 2007-01-21 Dirk Mueller <dmueller@suse.de>
3934 * tree-vrp.c (check_array_bounds): do not warn
3935 about ADDR_EXPR's of ARRAY_REF's which are immediately
3936 used in binary expressions.
3938 2007-01-21 Ira Rosen <irar@il.ibm.com>
3940 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
3941 read_write_dep and macros for its access.
3942 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
3943 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
3944 argument, call vect_check_interleaving for every independent pair of
3945 data-refs. Mark loads that access the same memory location as a store
3947 (vect_check_dependences): Remove.
3948 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
3949 call, fix the call to vect_analyze_data_ref_dependence.
3950 (vect_analyze_data_ref_access): For statements that access the same
3951 data-ref, check that they are not stores; for loads, check that there
3952 is no store that access the same location.
3954 2007-01-20 Roger Sayle <roger@eyesopen.com>
3955 Joseph Myers <joseph@codesourcery.com>
3957 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
3958 (-fdump-rtl-stack): Likewise.
3959 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
3960 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
3961 (-mpt-fixed): Use @minus{} for minus sign.
3962 (Using Precompiled Headers): Fix under/overfull hbox.
3964 2007-01-20 Jan Hubicka <jh@suse.cz>
3966 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
3967 place within annotation.
3969 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3971 * pa.c (output_move_double): Change array size of xoperands to 4.
3973 2007-01-20 Jan Hubicka <jh@suse.cz>
3975 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
3978 2007-01-19 Ian Lance Taylor <iant@google.com>
3980 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
3981 constant to unsigned HOST_WIDE_INT before negating.
3983 2007-01-19 Ian Lance Taylor <iant@google.com>
3985 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
3987 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
3988 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3989 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
3990 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
3991 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3992 (realloc_vdef, realloc_vuse): Change second parameter to
3994 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
3996 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
3997 unsigned. Change x and lim locals to unsigned.
3998 (realloc_vdef, realloc_vuse): Change num_elem parameter to
4000 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
4001 (copy_virtual_operands): Change i and n locals to unsigned.
4003 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4006 * builtins.c (fold_builtin_1): Handle builtin fdim.
4008 2007-01-20 Jan Hubicka <jh@suse.cz>
4010 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
4011 * tree-ssa-structalias.c (compute_points_to_sets): Do call
4012 init_alias_heapvars.
4013 (init_alias_heapvars): Initialize only when not already initialized.
4014 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
4016 2007-01-19 Roger Sayle <roger@eyesopen.com>
4018 * common.opt (fsigned-zeros): New command line option.
4019 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
4020 of flag_unsafe_math_optimizations.
4021 * opts.c (set_fast_math_flags): The -ffast-math command line option
4022 implies -fno-signed-zeros.
4023 (fast_math_flags_set_p): Likewise.
4025 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
4026 the documentation of -ffast-math appropriately. Wrap long lines.
4028 2007-01-19 Steve Ellcey <sje@cup.hp.com>
4030 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
4031 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
4033 2007-01-19 Tomas Bily <tbily@suse.cz>
4035 * cgraphunit.c (cgraph_finalize_function): Updating of pid
4037 (tree_init_ic_make_global_vars): New function
4038 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
4039 (tree_gen_ic_profiler): New function
4040 (tree_gen_ic_func_profiler): New function
4041 (tree_profiling): Added calling of tree_gen_ic_func_profiler
4042 (tree_profile_hooks): Added hook for indirec/virtual calls
4043 * value-prof.c (tree_find_values_to_profile): New case for
4045 (tree_values_to_profile): Call for determining indirect/virtual
4047 (tree_indirect_call_to_profile): New function
4048 (tree_ic_transform): New function
4049 (tree_ic): New function
4050 (find_func_by_pid): New function
4051 (init_pid_map): New function
4052 (tree_value_profile_transformations): Added check for
4053 indirect/virtual call transformation
4054 * value-prof.h (enum hist_type): New counter type for
4055 indirect/virtual calls
4056 (profile_hooks): Added new hook for profiling indirect/virtual
4058 * profile.c (instrument_values): New case for indirect/virtual
4060 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
4061 (GCOV_COUNTER_V_INDIR): New counter type
4062 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
4063 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
4065 * cgraph.c: Definition of cgraph_max_pid
4066 (cgraph_create_node): Default init of pid attribute
4067 * cgraph.h: Declaration of cgraph_max_pid
4068 (struct cgraph_node): Added pid attribute
4069 * libgcov.c (__gcov_indirect_call_profiler): New function
4070 (__gcov_one_value_profiler_body): New function
4071 (__gcov_one_value_profiler): Body was moved to
4072 __gcov_one_value_profiler_body and calls it
4074 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
4076 * doc/gty.texi (Options): Document the mark_hook option to GTY.
4077 * gengtype.c (write_types_data, write_func_for_structure,
4078 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
4079 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
4080 (walk_type, write_func_for_structure): Generate the mark_hook if
4083 2007-01-19 Jan Hubicka <jh@suse.cz>
4085 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
4086 'early' argument take inlining mode argument specifying whether to
4087 inline for size/speeed or all functions; add support for flattening;
4089 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
4091 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4094 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
4095 the name of the declared identifier.
4097 2007-01-19 Dirk Mueller <dmueller@suse.de>
4099 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
4100 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
4101 duplicate evaluation.
4103 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
4105 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
4106 Macroize expander using X87MODEF12 mode macro. Extend operand 1
4107 to XFMode, use acosxf2 and truncate result to requested mode.
4108 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4109 (asin<mode>2): Similarly, with asin expanders.
4110 (*fscalexf4_i387): Rename from *fscalexf4.
4111 (expNcorexf3): New expander.
4112 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
4113 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
4114 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
4115 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
4116 patterns for SSE math.
4117 (exp10<mode>2): Similarly, with exp10 expanders.
4118 (exp2<mode>2): Similarly, with exp2 expanders.
4119 (expm1<mode>2): Similarly, with expm1 expanders.
4120 (ldexp<mode>3): Similarly, with ldexp expanders.
4121 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
4122 Use gen_truncxf<mode>2_i387_noop to truncate result.
4124 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4126 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
4127 for ColdFire targets.
4129 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
4130 Richard Sandiford <richard@codesourcery.com>
4132 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
4133 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
4134 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
4135 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
4136 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4137 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4139 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4141 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
4142 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
4143 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
4144 (*adddi_dilshr32_cf): New pattern.
4145 (adddi3, subdi3): Remove first alternatives.
4147 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4149 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
4150 implemented using move.l, do not use its cc result for floating-point
4153 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4155 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
4156 from accepting 's' constraints if flag_pic.
4158 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4160 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
4161 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
4162 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
4163 condition from TARGET_68881 to TARGET_HARD_FLOAT.
4165 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
4167 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
4168 ColdFire alternatives.
4169 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
4170 * config/m68k/m68k.md (clzsi2): Define for ColdFire
4171 architectures that support ff1 instruction.
4173 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4174 Julian Brown <julian@codesourcery.com>
4176 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
4177 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
4178 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
4181 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4183 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
4185 (output_move_const_into_data_reg, output_move_simode_const): Delete.
4186 * config/m68k/m68k.c (const_method, const_int_cost): Take a
4187 HOST_WIDE_INT instead of an rtx.
4188 (m68k_rtx_costs): Update call accordingly.
4189 (output_move_const_into_data_reg): Likewise. Fix formatting.
4190 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
4192 (output_move_simode_const): Update calls after above changes.
4193 Rework to use automatic variables and predicates like MEM_P.
4194 * config/m68k/m68k.md (pushexthisi_const): Update call to
4197 2007-01-19 Dirk Mueller <dmueller@suse.de>
4199 * tree-ssa-alias.c (perform_var_substitution): Fix typo
4202 2007-01-19 Richard Guenther <rguenther@suse.de>
4204 * builtins.c (expand_builtin_cexpi): Fall back to expanding
4205 via cexp in case sincos is not available.
4207 2007-01-19 Richard Guenther <rguenther@suse.de>
4209 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
4210 * defaults.h (TARGET_HAS_SINCOS): Default to off.
4211 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
4212 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
4213 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
4214 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
4215 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
4216 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
4218 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
4220 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
4222 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
4223 (atan2xf3): Directly generate RTL pattern.
4224 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
4225 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
4226 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
4227 disable patterns for SSE math.
4228 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
4229 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
4230 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
4231 disable patterns for SSE math.
4233 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
4235 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
4237 2007-01-18 Roger Sayle <roger@eyesopen.com>
4239 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
4240 VIEW_CONVERT_EXPR to the same type as it's operand.
4242 2007-01-18 David Edelsohn <edelsohn@gnu.org>
4244 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
4245 configured for long double 128.
4247 2007-01-18 Mike Stump <mrs@apple.com>
4249 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
4252 2007-01-18 Michael Meissner <michael.meissner@amd.com>
4254 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
4257 2007-01-18 Jan Hubicka <jh@suse.cz>
4259 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
4260 greater than NUM_VOP_FREE_BUCKETS.
4262 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
4264 * tree-ssa-structalias.c: Update comments.
4265 (ptabitmap_obstack): Removed.
4267 (oldpta_obstack): Ditto.
4268 (stats): Add a few members.
4269 (struct variable_info): Remove node, complex, address_taken, and
4270 indirect_target members. Add oldsolution member.
4271 (new_var_info): Do not initialize removed members.
4272 (constraint_expr_type): Remove INCLUDES.
4273 (constraint_graph): Add size, implicit_preds, rep,
4274 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
4275 (FIRST_REF_NODE): New macro.
4276 (LAST_REF_NODE): Ditto.
4277 (FIRST_ADDR_NODE): Ditto.
4278 (find): New function.
4280 (dump_constraint): Do not handle INCLUDES.
4281 (insert_into_complex): Do not insert duplicate constraints.
4282 (condense_varmap_nodes): Renamed and rewritten into ...
4283 (merge_node_constraints): This. Also fix bug in handling of
4284 offseted copy constraints.
4285 (clear_edges_for_node): No longer need to deal with preds at all,
4286 or removing associated preds/succs.
4287 (merge_graph_nodes): Deal with indirect_cycles.
4288 Don't deal with predecessors.
4289 (add_implicit_graph_edge): New function.
4290 (add_pred_graph_edge): Ditto.
4291 (add_graph_edge): Don't deal with predecessors.
4292 (build_constraint_graph): Removed.
4293 (build_pred_graph): New function.
4294 (build_succ_graph): Ditto.
4295 (struct scc_info): Removed in_component. Added roots, dfs, and
4296 node_mapping. Remove visited_index, unification_queue.
4297 (scc_visit): Deal with union-find we do now.
4298 Deal with cycles with REF nodes.
4299 (collapse_nodes): Renamed and rewritten to ...
4300 (unify_nodes): This.
4301 (process_unification_queue): Removed.
4302 (topo_visit): Cleanup
4303 (do_da_constraint): Use find.
4304 (do_sd_constraint): Ditto.
4305 (do_ds_constraint): Ditto.
4306 (do_complex_constraint): Ditto.
4307 (init_scc_info): Update for removed and added members.
4308 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
4309 (find_indirect_cycles): This.
4310 (equivalence_class): New variable.
4311 (label_visit): New function.
4312 (perform_variable_substitution): Rewritten.
4313 (free_var_substitution_info): New function.
4314 (find_equivalent_node): Ditto.
4315 (move_complex_constraints): Ditto.
4316 (eliminate_indirect_cycles): Ditto.
4317 (solve_graph): Only propagate changed bits.
4318 Use indirect cycle elimination.
4320 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
4321 (tree_id_eq): Renamed to ...
4322 (tree_vi_eq): This. Update for member change
4323 (insert_id_for_tree): Renamed and rewritten to ...
4324 (insert_vi_for_tree): This.
4325 (lookup_id_for_tree): Renamed and rewritten to ...
4326 (lookup_vi_for_tree): This.
4327 (get_id_for_tree): Renamed and rewritten to ...
4328 (get_vi_for_tree): Ditto.
4329 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
4330 (process_constraint): Don't handle INCLUDES.
4331 Remove special ADDRESSOF case.
4332 (find_func_aliases): Rewrite to use vi functions instead of id
4334 (create_function_info_for): Ditto.
4335 (create_variable_info_for): Ditto.
4336 (intra_create_variable_infos): Ditto.
4337 (merge_smts_into): Ditto.
4338 (find_what_p_points_to): Ditto.
4339 (init_base_vars): Ditto.
4340 (init_alias_vars): Ditto.
4341 (remove_preds_and_fake_succs): New function.
4342 (dump_sa_points_to_info): Dump new stats.
4343 (dump_solution_for_var): Use find.
4344 (set_used_smts): Fix formatting.
4345 (compute_points_to_sets): Updated for new functions.
4346 (ipa_pta_execute): Ditto.
4348 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
4349 Richard Sandiford <richard@codesourcery.com>
4351 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
4353 * calls.c (expand_call): If the return value is a PARALLEL,
4354 extract its first member.
4355 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
4356 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4357 use FUNCTION_EXTRA_EPILOGUE.
4358 (m68k_function_value): Return a PARALLEL if the return value
4359 is of a pointer type.
4360 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
4361 (FUNCTION_EXTRA_EPILOGUE): Remove.
4362 * config/m68k/m68k.md (D0_REG): New constant.
4364 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
4366 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4367 output a NOP for empty epilogues.
4369 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4371 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
4372 before function. Extend register save check to include all
4373 registers, not just integer ones.
4375 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
4377 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4378 (m68k_use_return_insn): ...this.
4379 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4380 * config/m68k/m68k.c (use_return_insn): Rename to...
4381 (m68k_use_return_insn): ...this.
4382 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4385 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
4387 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4388 nearest even, fix denormal rounding overflow.
4390 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4392 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4393 f%$smove and f%$move.
4394 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4395 (extendsfdf2_cf): Use fdmove instead of f%&move.
4396 (truncdfsf2_cf): Use fsmove instead of f%$smove.
4397 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4399 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4401 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4404 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4406 * real.h (real_format): Add a canonical_nan_lsbs_set field.
4407 (coldfire_single_format): Declare.
4408 (coldfire_double_format): Likewise.
4409 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4410 of qnan_msb_set to determine the lower bits of a canonical
4412 (encode_ieee_double): Likewise.
4413 (encode_ieee_quad): Likewise.
4414 (ieee_single_format): Initialize canonical_nan_lsbs_set.
4415 (mips_single_format): Likewise.
4416 (ieee_double_format): Likewise.
4417 (mips_double_format): Likewise.
4418 (ieee_extended_motorola_format): Likewise.
4419 (ieee_extended_intel_96_format): Likewise.
4420 (ieee_extended_intel_128_format): Likewise.
4421 (ieee_extended_intel_96_round_53_format): Likewise.
4422 (ibm_extended_format): Likewise.
4423 (mips_extended_format): Likewise.
4424 (ieee_quad_format): Likewise.
4425 (mips_quad_format): Likewise.
4426 (vax_f_format): Likewise.
4427 (vax_d_format): Likewise.
4428 (vax_g_format): Likewise.
4429 (i370_single_format): Likewise.
4430 (i370_double_format): Likewise.
4431 (decimal_single_format): Likewise.
4432 (decimal_double_format): Likewise.
4433 (decimal_quad_format): Likewise.
4434 (c4x_single_format): Likewise.
4435 (c4x_extended_format): Likewise.
4436 (real_internal_format): Likewise.
4437 (coldfire_single_format): New real_format.
4438 (coldfire_double_format): Likewise.
4439 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4440 canonical_nan_lsbs_set.
4441 (pdp11_d_format): Likewise.
4442 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4443 if TARGET_COLDFIRE_CPU.
4445 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4447 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4448 (output_call, m68k_legitimize_call_address): Declare.
4449 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4450 parenthesees. Add support for a 'W' constraint.
4451 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4452 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4453 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4454 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4456 (override_options): Initialize them. Do not set flag_no_function_cse
4457 for TARGET_ID_SHARED_LIBRARY.
4458 (m68k_output_pic_call): Delete.
4459 (m68k_legitimize_call_address): New function.
4460 (print_operand): Remove the %o prefix. Handle the %p prefix.
4461 (output_call): New function.
4462 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
4463 target address from the GOT if symbolic jumps are not allowed.
4464 * config/m68k/m68k.md (call, general_operand): Do not set
4465 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
4466 Merge separate flag_pic and !flag_pic define_insns into...
4467 (*call, *call_value): ...these new patterns. Match the address
4468 rather than the containing MEM and require it to be a call_operand.
4469 Use output_call to generate the asm template.
4470 * config/m68k/predicates.md (const_call_operand): New predicate.
4471 (call_operand): Likewise.
4473 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
4475 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4476 (STACK_GROWS_DOWNWARD): Define to 1.
4477 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4478 comments, emphasizing that these values are only defaults.
4479 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4480 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4482 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4484 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4486 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
4487 Richard Sandiford <richard@codesourcery.com>
4489 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4490 (FP_REGNO_P): New macros.
4491 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4492 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4493 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4494 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4496 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
4498 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4499 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4501 * config/m68k/t-floatlib: New file, extracting common code from...
4502 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4503 * config/m68k/t-uclinux: Here.
4504 * config/m68k/fpgnulib.c: Do not compile extendeed precision
4505 routines on ColdFire targets.
4507 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
4509 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4510 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4511 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4512 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4513 explicitly set MOTOROLA to 1.
4514 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4516 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4517 Nathan Sidwell <nathan@codesourcery.com>
4519 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4520 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4521 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4522 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4523 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4524 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4525 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4526 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4527 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4528 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4529 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4530 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4531 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4532 (DBX_REGISTER_NUMBER): Delete.
4533 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4534 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4535 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4537 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4539 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4540 * config/flat.h: New file.
4541 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4543 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4544 indirect references for -msep-data or -mid-shared-library.
4545 Do not use PC-relative code addresses either.
4546 * config/m68k/m68k.c (override_options): Restrict -fPIC error
4548 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
4549 for shared libraries and crt1.o for executables. Use crti.o and
4551 (ENDFILE_SPEC): Use crtend.o and crtn.o.
4552 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4553 Do not add -elf2flt or -shared-lib-id options here.
4554 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
4555 Pass -shared-lib-id if -mid-shared-library, taking the library
4556 identifier from -mshared-library-id if given, otherwise
4558 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4559 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4560 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4561 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4562 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4563 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4565 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4566 jump sequence for ISA A and ISA A+.
4567 (PICJUMP): Likewise.
4569 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4571 * config.gcc (m68k-*-uclinux*): Base the port on the common
4572 and m68k GNU/Linux files rather than on the generic ELF ones.
4573 * config/m68k/uclinux.h (TARGET_VERSION): Override.
4574 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4576 2007-01-18 Julian Brown <julian@codesourcery.com>
4577 Richard Sandiford <richard@codesourcery.com>
4579 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4580 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4581 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4583 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4585 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4587 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4589 * doc/install.texi: Document m68k-uclinuxoldabi.
4590 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4591 * config/m68k/uclinux-oldabi.h: New file, copied from
4592 config/m68k/uclinux.h.
4594 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
4596 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4597 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4598 (m32r_compute_frame_size): Use unsigned for regno.
4599 (m32r_reload_lr): Use gen_frame_mem.
4601 (m32r_output_function_epilogue): Don't output the function epilogue
4603 (m32r_expand_epilogue): New.
4604 (direct_return): Return false if the function has the interrupt
4606 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4607 * config/m32r/m32r.md (epilogue): New expander.
4608 (return_lr, return_rte): New insns.
4609 (return): Make it expander.
4610 (return_normal): New expander.
4612 2007-01-18 Josh Conner <jconner@apple.com>
4615 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4616 support for UNLE, UNLT, UNGE, and UNGT.
4618 2007-01-18 Jan Hubicka <jh@suse.cz>
4620 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4621 * tree-tailcall (add_virtual_phis): Likewise.
4622 (optimize_tail_call): Return TODOs.
4623 (execute_tail_calls): Return TODOs.
4624 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4625 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4627 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4628 Cleanup cfg using TODO.
4629 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4630 * passes.c (execute_function_todo): When cleanup did something, remove
4632 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4633 (make_edges): Don't cleanup_cfg.
4635 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
4637 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4638 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4639 operate on the top of stack.
4640 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4641 register handling of instructions that output to the second
4643 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4644 (move_for_stack_reg): Special-case check for dead destination
4645 stack slot for constant load of 1.0 inside UNSPEC_TAN.
4647 * config/i386/i386.md (UNSPEC_TAN): New constant.
4648 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4649 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4650 to correctly model move of constant 1.0 to top stack slot.
4651 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4652 (unnamed peephole2 pattern): Remove corresponding peephole2
4653 pattern that optimizes tan insn and loading of constant 1.0.
4654 (tanxf2): Use fptanxf4_i387.
4655 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4656 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
4657 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
4658 disable patterns for SSE math.
4659 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4660 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4662 2007-01-18 Dirk Mueller <dmueller@suse.de>
4663 Richard Guenther <rguenther@suse.de>
4666 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4667 * common.opt (Warray-bounds): Add new warning option.
4668 * c-opts.c (c_common_handle_option): Define -Warray-bounds
4670 * Makefile.in: make tree-vrp.o depend on toplev.h
4671 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4673 (check_array_refs, check_array_bounds, check_array_ref): New.
4675 2007-01-18 Jan Hubicka <jh@suse.cz>
4677 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4678 (execute_ssa_ccp): Return flags conditionally.
4679 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4681 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4683 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
4685 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4686 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4688 * Makefile.c (GTFILES): Add cfglayout.h.
4689 * gengtype.c (open_base_files): Likewise.
4690 * cfglayout.c (cfg_layout_function_footer,
4691 cfg_layout_function_header) Reindent to make gengtype happy.
4692 * cfglayout.h (cfg_layout_function_footer,
4693 cfg_layout_function_header): Add GTY(()) marker.
4695 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4697 2007-01-18 Ben Elliston <bje@au.ibm.com>
4699 * genautomata.c (write_automata): Include xstrerror output in the
4700 error message if writing the DFA description file fails.
4702 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
4704 * config/mips/mips-protos.h (mips_output_external): Make it
4706 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4707 * config/mips/mips.c (irix_output_external_libcall): Likewise.
4708 (extern_list): Likewise.
4709 (extern_head): Likewise.
4710 (TARGET_ASM_FILE_END): Likewise.
4711 (mips_file_end): Likewise.
4712 (mips_output_external): Rewritten.
4714 2007-01-18 Ben Elliston <bje@au.ibm.com>
4716 * genpreds.c (write_insn_preds_c): Only write out the function
4717 body for regclass_for_constraint if we have register constraints.
4719 2007-01-17 Tom Tromey <tromey@redhat.com>
4721 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
4722 * doc/install.texi (Testing): Use sourceware.org.
4723 (Binaries): Likewise.
4724 (Specific): Likewise.
4725 * doc/contrib.texi (Contributors): Use sourceware.org.
4727 2007-01-17 Anatoly Sokolov <aesok@post.ru>
4729 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
4730 (AVR_ENHANCED): Rename to ...
4731 (AVR_HAVE_MUL): ... new.
4732 (avr_enhanced_p): Rename to ...
4733 (avr_have_mul_p): ... new.
4734 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
4735 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
4736 * config/avr/avr.c (avr_enhanced_p): Rename to ...
4737 (avr_have_mul_p): ... new.
4738 (base_arch_s): Rename 'enhanced' to 'have_mul'.
4739 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
4740 'avr_enhanced_p' and 'enhanced'.
4741 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
4742 AVR_HAVE_MUL instead of AVR_ENHANCED.
4743 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4744 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
4745 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
4746 instead of AVR_ENHANCED.
4747 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4748 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
4749 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
4751 2007-01-17 Ian Lance Taylor <iant@google.com>
4753 * vec.h (VEC_reserve_exact): Define.
4754 (vec_gc_p_reserve_exact): Declare.
4755 (vec_gc_o_reserve_exact): Declare.
4756 (vec_heap_p_reserve_exact): Declare.
4757 (vec_heap_o_reserve_exact): Declare.
4758 (VEC_OP (T,A,reserve_exact)): New static inline function, three
4760 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
4762 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
4763 (VEC_OP (T,A,copy)) [all versions]: Likewise.
4764 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
4765 * vec.c (calculate_allocation): Add exact parameter. Change all
4767 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
4768 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
4769 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
4770 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
4771 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
4772 (vec_heap_p_reserve_exact): New function.
4773 (vec_heap_o_reserve_exact): New function.
4775 2007-01-17 Jan Hubicka <jh@suse.cz>
4777 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
4779 2007-01-17 Eric Christopher <echristo@apple.com>
4781 * config.gcc: Support core2 processor.
4783 2007-01-16 Jan Hubicka <jh@suse.cz>
4785 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
4786 the names, just unlink the chain so we don't crash on dangling pointers
4789 2007-01-16 Jan Hubicka <jh@suse.cz>
4791 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
4792 * tree-pass.h: Reorder to make IPA passes appear toegher.
4793 (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
4794 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
4795 parameters, do not call early inliner.
4796 * ipa-inline.c: Update comments. Include tree-flow.h
4797 (cgraph_decide_inlining): Do not compute inlining parameters.
4798 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
4799 be called with function context set up.
4800 (pass_ipa_inline): Remove unreachable functions before pass.
4801 (cgraph_early_inlining): Simplify assuming to be called from the
4803 (pass_early_inline): New pass.
4804 (cgraph_gate_ipa_early_inlining): New gate.
4805 (pass_ipa_early_inline): Turn into simple wrapper.
4806 (compute_inline_parameters): New function.
4807 (gate_inline_passes): New gate.
4808 (pass_inline_parameters): New pass.
4809 (apply_inline): Move here from tree-optimize.c
4810 (pass_apply_inline): New pass.
4811 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
4813 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
4815 (tree_function_versioning): Do not allocate dummy struct function.
4816 * tree-inline.h (optimize_inline_calls): Update prototype.
4817 * tree-optimize.c (execute_fixup_cfg): Export.
4818 (pass_fixup_cfg): Remove
4819 (tree_rest_of_compilation): Do not apply inlines.
4820 * tree-flow.h (execute_fixup_cfg): Declare.
4821 * Makefile.in (gt-passes.c): New.
4822 * passes.c: Include gt-passes.h
4823 (init_optimization_passes): New passes.
4824 (nnodes, order): New static vars.
4825 (do_per_function_toporder): New function.
4826 (execute_one_pass): Dump current pass here.
4827 (execute_ipa_pass_list): Don't dump current pass here.
4829 2007-01-16 Janis Johnson <janis187@us.ibm.com>
4831 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
4832 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
4834 2007-01-16 David Edelsohn <edelsohn@gnu.org>
4836 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
4837 (strong_alias): Define.
4838 (__gcc_qmul): Provide non-FMA for soft-float.
4844 (__gcc_qunord): New.
4854 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
4855 soft-float functions.
4856 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
4857 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
4858 about long double soft float.
4860 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
4861 Tehila Meyzels <tehila@il.ibm.com>
4863 * tree-vectorizer.h (is_pattern_stmt_p): New.
4864 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
4865 formatting (tabs instead of spaces). Cleanup and clarify setting
4866 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
4867 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
4868 (vectorizable_type_demotion): Check that types are integral.
4869 (vectorizable_type_promotion): Likewise.
4870 (vectorizable_store): Fix typo. Eliminate new-line at end of
4873 2007-01-16 Jan Hubicka <jh@suse.cz>
4875 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
4878 2007-01-15 Eric Christopher <echristo@apple.com>
4880 * ifcvt.c: Include vec.h, vecprim.h.
4881 (check_cond_move_block): New argument regs.
4882 Reorganize. Add registers used to regs.
4883 (cond_move_process_if_block): Use regs set above as
4886 2007-01-15 Eric Christopher <echristo@apple.com>
4888 * config/darwin.h: Update copyright.
4889 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
4890 (LINK_COMMAND_SPEC): Add -u.
4891 (LINK_SPEC): Fix umbrella for above.
4893 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
4895 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
4898 2007-01-15 Tom Tromey <tromey@redhat.com>
4900 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
4901 * doc/install.texi (Testing): Don't mention jacks.
4902 (Configuration): Document --enable-java-maintainer-mode. Move
4903 --with-java-home to libgcj-specific section. Document
4905 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
4907 2007-01-15 Jan Hubicka <jh@suse.cz>
4909 * tree-ssa-dce.c (DCE_TODOs): New.
4910 (propagate_necessity): Return if something changed.
4911 (eliminate_unnecessary_stmts): Likewise.
4912 (perform_tree_ssa_dce): Return TODO flags when needed.
4913 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
4915 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
4917 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
4918 (fyl2x_extend<mode>xf3_i387): New insn pattern.
4919 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
4920 patterns using X87MODEF12 mode macro. Extend operand 1
4921 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4922 (log10<mode>2): Ditto.
4923 (log2<mode>2): Ditto.
4924 (log1p<mode>2): Ditto.
4925 (logb<mode>2): Ditto.
4926 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
4927 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
4928 (*fxtractxf3_i387): Rename from *fxtractxf3.
4929 (fxtract_extend<mode>xf3_i387): New insn pattern.
4930 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
4931 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
4932 and gen_fyl2xxf3_i387().
4934 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
4936 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
4937 * cfgloopmanip.c (fix_loop_placement): Made static. Use
4938 get_loop_exit_edges. Changed return type to bool.
4939 * cfgloop.h (fix_loop_placement): Declaration removed.
4941 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
4943 * param.h (MIN_VECT_LOOP_BOUND): New.
4944 * params.def (MIN_VECT_LOOP_BOUND): New.
4945 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
4946 argument - minimum threshold for number of iterations.
4947 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
4948 argument to declaration.
4949 * tree-vect-analyze.c (vect_analyze_operations): Check value of
4950 MIN_VECT_LOOP_BOUND.
4951 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
4952 slpeel_tree_peel_loop_to_edge with additional argument.
4953 (vect_do_peeling_for_alignment): Likewise.
4954 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
4956 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
4959 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
4962 2007-01-14 Jan Hubicka <jh@suse.cz>
4964 * tree-dfa.c (remove_referenced_var): New function.
4965 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
4966 prune referenced vars list too.
4967 * tree-flow.h (remove_referenced_var): Declare.
4969 2007-01-14 Jan Hubicka <jh@suse.cz>
4971 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
4973 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
4974 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
4975 * except.h (verify_eh_throw_table_statements): Kill prototype.
4976 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
4977 into call exrepssions.
4978 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
4980 * tree-cfg.c: Include pointer-set.h.
4981 (verify_node_sharing): Work on pointer set.
4982 (verify_eh_throw_stmt_node): New.
4983 (verify_stmts): Use pointers sets, verify throw_stmt.
4985 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
4987 * ipa-reference.c (analyze_function): Consider also addresses taken
4990 2007-01-12 Roger Sayle <roger@eyesopen.com>
4992 * c-typeck.c (null_pointer_constant_p): Replace use of
4993 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4994 (build_c_cast): Likewise.
4996 2007-01-12 Roger Sayle <roger@eyesopen.com>
4998 * tree.h (force_fit_type_double): Remove unused final argument.
4999 * c-common.c (constant_expression_warning): Replace use of
5000 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5001 (convert_and_check): Likewise.
5002 (shorten_compare): Update call to force_fit_type_double.
5003 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
5004 * convert.c (convert_to_pointer): Update call to
5005 force_fit_type_double.
5006 * fold-const.c (force_fit_type_double): Remove overflowed_const
5008 (int_const_binop, fold_convert_const_int_from_int,
5009 fold_convert_const_int_from_real, fold_div_compare,
5010 fold_sign_changed_comparison, fold_unary, fold_negate_const,
5011 fold_abs_const, fold_not_const): Remove the final argument from
5012 calls to force_fit_type_double.
5014 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
5016 * configure.ac: Set insn to "nop" for spu-*-* also.
5017 * configure: Regenerate.
5019 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
5021 * builtins.def : Add BUILT_IN_FREE.
5023 2007-01-12 Jan Hubicka <jh@suse.cz>
5025 PR tree-optimization/30443
5026 * tree-inline.c (tree_function_versioning): Do not optimize when
5027 cloning for inlining.
5029 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
5031 * doc/loop.texi: Document recording of loop exits.
5032 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
5033 (update_single_exits_after_duplication,
5034 update_single_exit_for_duplicated_loop,
5035 update_single_exit_for_duplicated_loops): Removed.
5036 (duplicate_loop_to_header_edge): Do not call
5037 update_single_exits_after_duplication and
5038 update_single_exit_for_duplicated_loops.
5039 (loop_version): Do not update single_exit information.
5040 (fix_loop_structure): Use record_loop_exits instead of
5041 mark_single_exit_loops.
5042 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
5043 the lists of loop exits.
5044 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
5045 split_edge, merge_blocks): Update the lists of loop exits.
5046 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
5047 loop_optimizer_init.
5048 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
5049 of mark_single_exit_loops.
5050 (loop_optimizer_finalize): Call release_recorded_exits.
5051 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
5052 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
5053 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
5054 update single exit information.
5055 * lambda-code.c (perfect_nestify): Ditto.
5056 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
5057 (mark_single_exit_loops): Removed.
5058 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
5059 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
5060 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
5062 (get_loop_exit_edges, single_exit): Use recorded exit lists.
5063 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
5064 (verify_loop_structure): Verify consistency of the exit lists.
5065 (flow_loops_find): Use alloc_loop. Initialize exits hash.
5066 (set_single_exit): Removed.
5067 * cfgloop.h (struct loop_exit): New function.
5068 (struct loop): single_exit_ field replaced by exits field.
5069 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
5070 (struct loops): Added exits hash.
5071 (mark_single_exit_loops, set_single_exit): Declaration removed.
5072 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
5074 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5076 * doc/invoke.texi: Avoid use of @headitem.
5078 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5080 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
5082 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5084 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
5087 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
5088 Richard Sandiford <richard@codesourcery.com>
5090 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
5091 * config/m68k/m68k.opt: Resort options.
5092 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
5094 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
5095 Richard Sandiford <richard@codesourcery.com>
5097 * doc/invoke.texi: Document the macros that are defined by
5098 m68k's -mtune and -mhard-float options.
5099 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
5100 (m68k_cpp_cpu_family): Likewise.
5101 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
5102 of __ucfv*__ macros. Define __mcffpu__ if generating code for
5103 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
5104 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
5105 (m68k_cpp_cpu_family): Likewise.
5107 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5109 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
5110 macros besides mc68000 as tuning macros. Use a switch statement
5111 to set them and mcpu32.
5113 2007-01-12 Julian Brown <julian@codesourcery.com>
5115 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
5116 (TARGET_68040_ONLY): Rename to...
5117 (TARGET_68040): ...this.
5118 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
5119 * config/m68k/m68k.md: Likewise.
5121 2007-01-12 Julian Brown <julian@codesourcery.com>
5122 Nathan Sidwell <nathan@codesourcery.com>
5123 Richard Sandiford <richard@codesourcery.com>
5125 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
5126 the -mcpu= argument associated with the --with-cpu setting.
5127 Define M68K_DEFAULT_TUNE to the default -mtune= option,
5128 if different from the one implied by the -mcpu setting.
5129 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
5130 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
5131 * doc/invoke.texi: Mention ColdFire in the introduction to the
5132 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
5133 -mno-div and -mhard-float options. Make -m68881 a synonym for
5134 -mhard-float. Document the previously-undocumented -m5206e,
5135 -m528x, -m5307 and -m5407 options. Tweak the existing option
5136 documentation for consistency.
5137 * doc/install.texi: Mention new --with-cpu arguments.
5138 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
5139 default CPU if neither -mcpu nor -march are specified.
5140 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
5141 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
5142 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
5143 using m68k_tune to decide between families that implement the
5144 same ISA. Use m68k_tune to set __mcfv4e__.
5145 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
5146 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
5147 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
5148 (FL_ISA_C, FL_ISA_MMU): New macros.
5149 (MASK_COLDFIRE): Delete.
5150 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
5151 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
5152 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
5153 (TARGET_HARD_FLOAT): Do not define here.
5154 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
5155 (TUNE_68000): New macro.
5156 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
5157 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
5158 (TUNE_CFV2): Redefine in terms of m68k_tune.
5159 (uarch_type, target_device, fpu_type): New enums.
5160 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
5161 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
5162 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
5163 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
5164 (FL_FOR_isa_c): New macros.
5165 (m68k_isa): New enum.
5166 (m68k_target_selection): New structure.
5167 (all_devices, all_isas, all_microarchs): New tables.
5168 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
5169 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
5170 (MASK_ALL_CPU_BITS): Delete.
5171 (m68k_find_selection): New function.
5172 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
5173 Map the legacy target options to a combination of the new ones.
5174 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
5175 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
5176 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
5178 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
5179 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
5181 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
5182 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
5183 * config/m68k/m68k-devices.def: New file.
5185 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5186 Nathan Sidwell <nathan@codesourcery.com>
5188 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
5189 (SUBTARGET_EXTRA_SPECS): New macros.
5190 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
5191 use %(asm_cpu_spec) instead.
5192 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
5193 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
5194 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
5195 (EXTRA_SPECS): Rename to...
5196 (SUBTARGET_EXTRA_SPECS): ...this.
5198 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
5199 Richard Sandiford <richard@codesourcery.com>
5200 Julian Brown <julian@codesourcery.com>
5202 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5203 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
5204 to the configuration's default CPU.
5205 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
5206 Remove default masks.
5207 (m680[012]0-*-*): Set the default with_cpu to the first part of
5209 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
5210 (m68k*-*-linux): Extend the --with-cpu handling to...
5211 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
5212 and m68010. Don't set target_cpu_default2.
5213 * doc/install.texi: Document --with-cpu for m68k.
5214 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
5215 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
5216 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
5217 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
5218 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
5219 (ASM_SPEC): Remove use of %(asm_cpu_default).
5220 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
5221 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
5222 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
5223 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
5224 __HAVE_FPU__ if TARGET_HARD_FLOAT.
5225 (TARGET_DEFAULT): Delete.
5226 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
5227 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
5228 (CPP_CPU_SPEC): Delete.
5229 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
5230 the appropriate string.
5231 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
5232 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
5233 (ASM_SPEC): Don't use %(asm_default_spec).
5234 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5235 TARGET_DEFAULT and add MASK_68881.
5236 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
5238 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5240 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
5241 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
5242 MASK_68010 alongside MASK_68020.
5243 * doc/invoke.texi: Document -m68010.
5244 * config/m68k/m68k.opt (m68010): New.
5245 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
5247 (TUNE_68010): New macro.
5248 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
5249 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
5250 (M68K_CPU_m68332): Add MASK_68010.
5251 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
5252 fallback definition.
5253 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
5255 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
5256 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
5257 to all entries that use MASK_68020.
5258 (output_move_simode_const, output_move_himode, output_move_qimode)
5259 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
5260 instead of TARGET_68020 to select clr behavior. Remove comment
5261 about there being no TARGET_68010.
5262 * config/m68k/m68k.md: Likewise throughout.
5264 2007-01-12 Julian Brown <julian@codesourcery.com>
5266 * config/m68k/m68k.h (TARGET_ISAB): New macro.
5267 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
5268 * config/m68k/m68k.md: Likewise.
5270 2007-01-12 Julian Brown <julian@codesourcery.com>
5272 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
5273 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
5275 2007-01-12 Julian Brown <julian@codesourcery.com>
5277 * config/m68k/m68k.h (TUNE_68040_60): New macro.
5278 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
5279 * config/m68k/m68k.md: Likewise.
5281 2007-01-12 Julian Brown <julian@codesourcery.com>
5282 Richard Sandiford <richard@codesourcery.com>
5284 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
5285 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
5286 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
5288 (TARGET_CPU32): Rename to...
5289 (TUNE_CPU32): ...this.
5290 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
5291 (TUNE_CFV2): New macros.
5292 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
5293 remove conditions that are implied by TARGET_68020.
5294 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
5295 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
5296 (m68k_output_function_epilogue): Likewise.
5297 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
5298 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
5299 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
5300 non-68000 timings. Refactor multiplication and division costs.
5301 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
5302 TUNE_CPU32 instead of TARGET_CPU32.
5303 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
5304 and TUNE_68060 instead of TARGET_68060.
5305 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
5306 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
5308 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
5309 && !TARGET_COLDFIRE" to choose between moveq and clr.
5310 Likewise in the unnamed movsf pattern.
5311 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
5312 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
5315 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5317 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
5318 of tabbing before backslashes.
5320 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5322 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
5323 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
5324 (ASM_OUTPUT_INTERNAL_LABEL): Define.
5326 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5328 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
5329 find_interesting_uses_cond.
5330 (find_interesting_uses_cond): Use extract_cond_operands.
5331 (rewrite_use_compare): Use extract_cond_operands and
5332 force_gimple_operand_bsi. Do not call update_stmt.
5333 (determine_use_iv_cost_condition): Use extract_cond_operands.
5334 Return cheaper of using original bound and changing the exit bound.
5336 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5338 PR tree-optimization/29516
5339 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
5340 most_expensive_mult_to_index, addr_to_parts,
5341 create_mem_ref, maybe_fold_tmr): Make the type of
5342 fields of TARGET_MEM_REF sizetype.
5343 (move_fixed_address_to_symbol, move_pointer_to_base):
5345 * tree.def (TARGET_MEM_REF): Add comment on types of
5348 2007-01-11 Joseph Myers <joseph@codesourcery.com>
5350 * c-common.c (vector_types_convertible_p): Treat opaque types as
5351 always convertible if they have the same size, but not otherwise.
5353 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
5355 * ifcvt.c (struct noce_if_info): Add comments to the fields.
5356 Remove the b_unconditional field.
5357 (noce_try_sign_mask): Do not look at b_unconditional.
5358 (noce_process_if_block): Do not use merge_if_blocks. Update
5359 the CFG here. Do not set b_unconditional.
5360 (cond_move_process_if_block): Likewise.
5361 (find_cond_trap): Likewise.
5362 (check_cond_move_block): Require simple jump insns at the end
5365 2007-01-11 Jan Hubicka <jh@suse.cz>
5367 PR tree-optimization/1046
5368 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
5369 when alias info is not ready.
5370 (pass_tail_recursion): Do not require aliasing.
5371 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
5372 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
5373 * tree-ssa-copy.c (pass_copy_prop): Likewise.
5374 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5375 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
5376 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
5377 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
5379 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
5380 When aliasing is not build, mark statement as volatile.
5382 2007-01-11 Tom Tromey <tromey@redhat.com>
5384 PR preprocessor/15185, PR preprocessor/20989:
5385 * doc/cppopts.texi <-MT>: Update description of algorithm for
5386 computing default target.
5387 <-M, -MD>: Reword "basename" text.
5389 2007-01-11 Roger Sayle <roger@eyesopen.com>
5391 * builtins.c (expand_builtin_pow, expand_builtin_powi,
5392 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
5393 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5394 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
5395 fold_builtin_bswap, real_constp, fold_builtin_pow,
5396 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
5397 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
5398 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5399 * convert.c (convert_to_pointer): Likewise.
5400 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
5401 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
5402 const_binop, fold_convert_const_int_from_int,
5403 fold_convert_const_int_from_real,
5404 fold_convert_const_real_from_real, sign_bit_p,
5405 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5406 fold_sign_changed_comparison, fold_unary, fold_comparison,
5407 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5408 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5409 * print-tree.c (print_node_brief, print_node): Likewise.
5410 * stor-layout.c (place_field, layout_type): Likewise.
5411 * tree-chrec.c (keep_cast): Likewise.
5412 * tree.c (build_vector, build_real, build_real_from_int_cst,
5413 build_complex): Likewise.
5415 2007-01-11 Roger Sayle <roger@eyesopen.com>
5417 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
5418 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5420 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
5422 * configure.ac (strict1_warn): Rename to strict_warn.
5423 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5424 cc_set_by_configure, quoted_cc_set_by_configure,
5425 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5426 all_boot_languages, all_stagestuff): Remove.
5427 (target_list): Remove bootstrap targets.
5428 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5429 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5430 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5431 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5432 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5433 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5434 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5435 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5436 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5437 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5438 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5439 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5440 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5441 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5442 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5443 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5444 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5445 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5446 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5447 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5448 (mostlyclean): Adjust.
5449 (clean, distclean): Don't mention bootstrap stuff.
5450 * configure: Regenerate.
5451 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5452 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5453 treelang/config-lang.in (stagestuff): Remove.
5454 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5455 stageprofile, stagefeedback, stagestuff): Remove mention.
5457 2007-01-11 Nick Clifton <nickc@redhat.com>
5459 * config/mcore/predicates.md (mcore_general_movesrc_operand):
5461 (mcore_general_movdst_operand): Do not accept CONST_INTs.
5462 (mcore_arith_K_S_operand): Run the test for the S constraint not
5463 the test for the M constraint.
5464 (mcore_addsub_operand): Do not accept integer values that are
5465 larger than 32 bits.
5466 * config/mcore/mcore.md: Remove unused constraints from split.
5467 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5469 (allocate_stack): Likewise.
5470 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5471 operands to 32 bits.
5472 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5474 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5475 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5476 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5477 mcore_output_bclri, mcore_output_andn, output_inline_const,
5478 mcore_output_move, mcore_output_movedouble): Likewise.
5479 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5480 (output_inline_const): Likewise.
5481 (output_inline_const): Fix format strings used in sprintf
5483 * config/mcore/mcore-protos.h: Update prototypes for changed
5484 functions in mcore.c.
5485 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5486 HOST_WIDE_INT and not int.
5487 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5488 CONST_OK_FOR_N): Likewise.
5489 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5490 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5493 2007-01-10 Jan Hubicka <jh@suse.cz>
5495 * tree-vrp.c (remove_range_assertions): Release defs.
5496 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5497 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5499 2007-01-10 Paul Brook <paul@codesourcery.com>
5501 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5502 * config/arm/arm.md (mulsi3subsi): New insn.
5504 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
5506 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5507 (tree_transform_and_unroll_loop): New.
5508 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5511 2007-01-10 Robert Kennedy <jimbob@google.com>
5513 * fold-const.c (fold_comparison): Fold comparisons like (x *
5514 1000 < 0) to (x < 0).
5516 2007-01-10 Ian Lance Taylor <iant@google.com>
5518 * tree-pretty-print.c (dump_generic_node): Print parentheses when
5519 operands have the same priority.
5521 2007-01-10 Tom Tromey <tromey@redhat.com>
5523 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5524 (fold_binary): Likewise.
5525 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5526 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5527 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5528 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5529 * langhooks.h (struct lang_hooks): Removed field
5530 'can_use_bit_fields_p'.
5532 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
5534 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5536 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
5538 * function.c (get_last_funcdef_no): New function.
5539 * function.h (get_last_funcdef_no): Declare.
5540 * tree-inline.c (initialize_cfun): Add initialization.
5541 (tree_function_versioning): Cleanup.
5543 2007-01-10 Jan Hubicka <jh@suse.cz>
5545 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5548 2007-01-10 Sa Liu <saliu@de.ibm.com>
5549 Ben Elliston <bje@au.ibm.com>
5551 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5552 for SAVE_NONLOCAL and Pmode for any other save level.
5553 * spu-protos.h (spu_restore_stack_block): Declare.
5554 * spu.md (save_stack_block): Remove.
5555 (restore_stack_block): Call spu_restore_stack_block.
5556 * spu.c (spu_restore_stack_block): New function.
5557 (spu_expand_epilogue): Remove old comment.
5559 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
5561 PR tree-optimization/30322
5562 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5563 (cand_value_at): Return the value as aff_tree.
5564 (may_eliminate_iv): Convert the bound from aff_tree to tree.
5565 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5566 aff_combination_mult): New functions.
5567 (aff_combination_add): Use aff_combination_add_cst.
5568 (aff_combination_convert): Allow conversions to a wider type.
5569 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5570 * tree-affine.h (aff_combination_mult): Declare.
5572 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
5574 * doc/tm.texi: Update documentation to reflect reality of exec
5575 and start file search behaviours. Update copyright year.
5576 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5577 header file directories.
5579 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
5581 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5582 (*cosxf2): Rename to cosxf2_i387.
5583 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
5584 using X87MODEF12 mode macro. Rename patterns to
5585 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
5587 (*cosdf2, *cossf2): Ditto.
5588 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
5589 to match extended input operands.
5590 (sincos<mode>3): New expander.
5591 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5592 insn patterns and corresponding splitters.
5594 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
5596 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5597 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5599 2007-01-09 Nicolas Pitre <nico@cam.org>
5602 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5604 2007-01-08 Geoffrey Keating <geoffk@apple.com>
5606 * target.h (struct gcc_target): New field library_rtti_comdat.
5607 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5608 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5609 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5610 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5612 2007-01-08 Geoffrey Keating <geoffk@apple.com>
5614 * doc/invoke.texi (Optimize Options): Correct description of -O0.
5616 2007-01-08 Richard Guenther <rguenther@suse.de>
5618 * tree.h (force_fit_type_double): Export.
5619 (force_fit_type): Remove.
5620 * fold-const.c (force_fit_type_double): New function.
5621 (force_fit_type): Remove.
5622 (int_const_binop): Use it.
5623 (fold_convert_const_int_from_int): Likewise.
5624 (fold_convert_const_int_from_real): Likewise.
5625 (fold_div_compare): Likewise.
5626 (fold_sign_changed_comparison): Likewise.
5627 (fold_unary): Likewise.
5628 (fold_negate_const): Likewise.
5629 (fold_abs_const): Likewise.
5630 (fold_not_const): Likewise.
5631 * c-common.c (shorten_compare): Use force_fit_type_double.
5632 * convert.c (convert_to_pointer): Likewise.
5634 2007-01-08 Richard Guenther <rguenther@suse.de>
5636 * tree.h (build_int_cst_wide_type): Export.
5637 * tree.c (build_int_cst_wide_type): New function.
5638 (build_int_cst_wide): Fix comment.
5639 * builtins.c (fold_builtin_object_size): Use build_int_cst
5640 to build -1 or 0 of the correct type. Use fit_double_type
5641 to check for overflow.
5642 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5644 (decode_field_reference): Likewise.
5645 (all_ones_mask_p): Likewise.
5646 (native_interpret_int): Use build_int_cst_wide_type.
5647 (fold_binary): Use build_int_cst_type to build an all-ones
5649 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5651 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
5653 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5655 2007-01-09 Ben Elliston <bje@au.ibm.com>
5657 * genautomata.c (STATS_OPTION): New option.
5658 (stats_flag): New flag.
5659 (gen_automata_option): Handle it.
5660 (initiate_automaton_gen): Ditto.
5661 (write_automata): Output statistics only if stats_flag is
5662 set. Likewise, output time statistics only if time_flag is set.
5663 * doc/md.texi (Processor pipeline description): Document new flag.
5665 2007-01-08 Richard Guenther <rguenther@suse.de>
5667 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5668 * tree.c (build_int_cst_type): Likewise.
5669 (size_in_bytes): Don't call force_fit_type on the result.
5670 (int_fits_type_p): Use fit_double_type.
5671 * fold-const.c (fit_double_type): New function.
5672 (force_fit_type): Use it.
5673 * tree.h (fit_double_type): Export.
5675 2007-01-08 Jan Hubicka <jh@suse.cz>
5677 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5678 * ipa.c (function_and_variable_visibility): Fix return type.
5680 2007-01-08 Richard Guenther <rguenther@suse.de>
5682 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5683 of offset to build the index.
5684 * tree-pretty-print.c (dump_generic_node): Don't build negated
5685 const just for printing.
5686 * c-pretty-print.c (pp_c_integer_constant): Likewise.
5687 * builtins.c (fold_builtin_int_roundingfn): Check if result
5688 fits the type by using force_fit_type and comparing the result.
5689 * predict.c (predict_loops): Use compare_tree_int for comparison.
5690 * tree.c (build_int_cst): Fall back to integer_type_node for
5692 (build_int_cst_wide): Assert type is non-null.
5694 2007-01-08 Roberto Costa <roberto.costa@st.com>
5696 * tree-vrp.c (extract_range_from_cond_expr): New.
5697 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5698 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5700 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5701 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5702 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5703 used as expressions.
5704 * tree-object-size.c (cond_expr_object_size): New.
5705 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5707 2007-01-08 Jan Hubicka <jh@suse.cz>
5709 * tree-ssa-forwprop.c (forward_propagate_into_cond,
5710 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5713 2007-01-08 Richard Guenther <rguenther@suse.de>
5715 PR tree-optimization/23603
5716 * tree-vrp.c (set_value_range_to_truthvalue): New function.
5717 (extract_range_from_binary): Fall back to truthvalue instead of
5718 varying for TRUTH_*_EXPR.
5719 (extract_range_from_comparison): Fall back to truthvalue instead of
5721 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
5722 if all visited PHI values were constant.
5724 2007-01-08 Jan Hubicka <jh@suse.cz>
5726 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
5727 (cgraph_analyze_function): break out from ...
5728 (cgraph_finalize_compilation_unit): ... here.
5729 (cgraph_expand_function): Remove forgoten commented out line.
5730 (cgraph_optimize): Analyze functions.
5732 2007-01-08 Jan Hubicka <jh@suse.cz>
5734 * tree-pas.h (TODO_remove_function): New flag.
5735 (TODO_update*): Renumber.
5736 (pass_ipa_increase_alignment,
5737 pass_ipa_function_and_variable_visibility): New passes.
5738 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
5739 (cgraph_function_and_variable_visibility): Move to ipa.c
5740 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
5741 cgraph_increase_alignment.
5742 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
5743 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
5744 calling tree-inline.
5745 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
5746 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
5747 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
5748 (gate_increase_alignment): New function.
5749 (pass_ipa_increase_alignment): New pass.
5750 * ipa.c: Inline tree-pass.h and timevar.h
5751 (function_and_variable_visibility): Move here from cgraphunit.c
5752 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
5753 * passes.c (init_optimization_passes): Add the two new passes.
5754 (execute_todo): Handle cgraph_remove_functions.
5756 2007-01-08 Nick Clifton <nickc@redhat.com>
5758 * config/frv/predicates.md (reg_or_0_operand): Accept
5761 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
5763 * config/bfin/rtems.h, config/bfin/t-rtems: New.
5764 * config.gcc: Add bfin*-rtems*.
5766 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
5768 * c.opt: Add -flax-vector-conversions.
5769 * c-typeck.c (convert_for_assignment): Pass flag to
5770 vector_types_convertible_p to allow emission of note.
5771 (digest_init): Likewise.
5772 * c-opts.c: Handle -flax-vector-conversions.
5773 * c-common.c (flag_lax_vector_conversions): New.
5774 (vector_types_convertible_p): Unless -flax-vector conversions
5775 has been passed, disallow conversions between vectors with
5776 differing numbers of subparts and/or element types. If such
5777 a conversion is disallowed, possibly emit a note on the first
5778 occasion only to inform the user of -flax-vector-conversions.
5779 The new last argument specifies this.
5780 * c-common.h (flag_lax_vector_conversions): New.
5781 (vector_types_convertible_p): Add extra argument.
5782 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
5783 char_type_node for V*QI type vectors.
5784 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
5785 Update to satisfy new typechecking rules.
5786 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
5788 * doc/invoke.texi (C Dialect Options): Document
5789 -flax-vector-conversions.
5791 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
5793 PR tree-optimization/29877
5794 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
5795 a register variable on the RHS to not be replaceable.
5797 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
5798 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
5799 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
5800 const_simm15, const_pow2, const_npow2): Added.
5801 * config/score/misc.md (insv, extv, extzv, movmemsi,
5802 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
5803 * config/score/score.c (score_address_cost, score_select_cc_mode):
5805 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
5806 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
5807 Update score_print_operand.
5808 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
5809 Adjust register allocate order and update some macro define.
5810 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
5811 mdx_block_move_straight, mdx_block_move_loop_head,
5812 mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
5813 mdx_block_move): Added.
5814 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
5815 mdp_limm): Updated and fix some bug and typo.
5816 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
5817 (movsf, movdf, doloop_end): Added.
5819 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
5821 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
5822 config/arm/thumb2.md: Fix comment typos.
5823 * doc/extend.texi: Fix a typo.
5825 2007-01-07 Eric Christopher <echristo@apple.com>
5827 * configure.ac: Check for __stack_chk_fail for darwin.
5828 * configure: Regenerate.
5830 2007-01-07 Richard Guenther <rguenther@suse.de>
5832 * tree-vrp.c (extract_range_from_assert): CSE calls to
5833 compare_values where possible.
5834 (extract_range_from_unary_expr): Likewise.
5836 2007-01-07 Anatoly Sokolov <aesok@post.ru>
5838 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
5839 * config/avr/avr.c (call_insn_operand): Delete function.
5840 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
5841 instead of register number. Use predicates.
5842 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
5843 call_insn_operand): Add.
5845 2007-01-06 Jan Hubicka <jh@suse.cz>
5847 * tree-pass.h (pass_build_cgraph_edges): Declare.
5848 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
5849 (visited_nodes): Remove.
5850 (cgraph_create_edges): Move to cgraphbuild.c; rename to
5851 build_cgrpah_edges; make visited_nodes local.
5852 (cgraph_process_new_functions): DO not call initialize_inline_failed.
5853 (record_references_in_initializer): Move to cgraphbuild.c
5854 (initialize_inline_failed, rebuild_cgraph_edges,
5855 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
5856 (verify_cgraph_node): Make visited_nodes local.
5857 (cgraph_analyze_function): Do not call cgraph_create_edges and
5858 initialize_inline_failed.
5859 (cgraph_expand_function): Do not call cgraph_lower_function;
5860 assert that function is already lowered.
5861 * Makefile.in (cgraphbuild.o): New.
5862 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
5863 at the end of lowering passes.
5865 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
5867 * ifcvt.c (cond_move_convert_if_block): New function, code
5868 factored out from...
5869 (cond_move_process_if_block): ...here. Call the new function
5870 on the THEN and ELSE blocks.
5871 (merge_if_block): Do not copy global_live_at_end, merge_blocks
5872 already takes care of this.
5874 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5877 * tree.h (TREE_OVERFLOW_P): New.
5878 * c-typeck.c (parser_build_unary_op): Warn only if result
5879 overflowed and operands did not.
5880 (parser_build_binary_op): Likewise.
5881 (convert_for_assignment): Remove redundant overflow_warning.
5882 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
5884 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5886 * c-typeck.c (store_init_value): Split over two lines to follow
5887 the GNU coding style.
5889 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
5891 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
5892 __GXX_EXPERIMENTAL_CXX0X__.
5893 * doc/cpp.texi: Same.
5895 2007-01-05 Richard Guenther <rguenther@suse.de>
5898 * tree.c (get_narrower): Do not construct COMPONENT_REFs
5899 with mismatched types. Instead explicitly build a
5900 conversion NOP_EXPR.
5902 2007-01-05 Ian Lance Taylor <iant@google.com>
5904 * c-common.c (decl_with_nonnull_addr_p): New function.
5905 (c_common_truthvalue_conversion): Call it.
5906 * c-typeck.c (build_binary_op): Likewise.
5907 * c-common.h (decl_with_nonnull_addr_p): Declare.
5909 2007-01-05 Jakub Jelinek <jakub@redhat.com>
5912 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
5915 2007-01-05 Joel Brobecker <brobecker@adacore.com>
5917 * doc/install.texi (Final install): Document the fact that
5918 the GNAT runtime should not be stripped.
5920 2007-01-04 Jan Hubicka <jh@suse.cz>
5922 * tree-inline.c (fold_marked_statements): Update operand caches
5923 and EH after folding
5925 2007-01-04 Ian Lance Taylor <iant@google.com>
5927 * c-common.c (check_function_nonnull): Whitespace fix.
5929 2007-01-04 Jan Hubicka <jh@suse.cz>
5931 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
5932 comitted older version of patch.
5933 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
5934 function, celanup cfg and collect garbage.
5936 2007-01-04 Mike Stump <mrs@apple.com>
5938 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
5941 2007-01-04 Eric Christopher <echristo@apple.com>
5943 * libgcc2.c (__bswapsi2): Use SItype.
5944 (__bswapdi2): Use DItype.
5945 * libgcc2.h: Update for above.
5947 2007-01-04 Paul Brook <paul@codesourcery.com>
5949 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
5950 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
5951 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
5952 umulsidi3, umulsidi3adddi, smulsi3_highpart,
5953 umulsi3_highpart): Make conditional on !arm_arch6.
5954 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
5955 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
5956 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
5957 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
5958 umulsi3_highpart_v6): New insns.
5960 2007-01-04 Roger Sayle <roger@eyesopen.com>
5962 * fold-const.c (fold_convert): When casting an expression to void,
5963 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
5964 have a type. Instead of attempting to build a NOP_EXPR, return
5965 these "special" trees directly.
5967 2007-01-04 Joseph Myers <joseph@codesourcery.com>
5969 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
5970 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
5971 rs6000_cost->fp not 0 as adjustment for outer NEG.
5973 2007-01-04 Jan Hubicka <jh@suse.cz>
5975 * cgraph.c (cgraph_release_function_body): New function.
5976 (cgraph_remove_node): Use it.
5977 * cgraph.h (cgraph_release_function_body): Declare.
5978 * cgraphunit.c (cgraph_expand_function): Use it.
5979 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
5980 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
5981 is initialized and while compilation of other function is running.
5982 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
5983 statement CFG annotations from here to ...
5984 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
5986 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
5988 * cfgloop.h (enum li_flags): Make the constants powers of two.
5990 2007-01-04 Jan Hubicka <jh@suse.cz>
5992 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
5994 (fold_marked_statements): New function.
5995 (optimize_inline_calls, tree_function_versioning): Fold new statements.
5996 * tree-inline.h (copy_body_data): Add statements_to_fold.
5998 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
6000 * config.gcc: Mention libgcc/config.host.
6001 * Makefile.in: Update comments mentioning libgcc.
6002 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
6003 (all.cross, start.encap, rest.encap, rest.cross): Update
6004 dependencies for libgcc move.
6005 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
6006 (clean-target, clean-target-libgcc): Delete.
6007 (srcdirify, GCC_EXTRA_PARTS): New macros.
6008 (libgcc-support, libgcc.mvars): New rules.
6009 (distclean): Remove mention of mklibgcc.
6010 (install): Don't reference INSTALL_LIBGCC.
6011 (install-common): Don't reference EXTRA_PARTS.
6012 (install-libgcc, install-multilib): Delete rules.
6013 * mklibgcc.in: Delete file.
6014 * doc/configfiles.texi: Don't mention mklibgcc.
6016 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
6017 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
6018 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
6019 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
6020 (mklibgcc, ldblspecs): Likewise.
6022 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
6023 (posixpre.def): Use $(T).
6024 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
6025 (SHLIB_SRC, SHLIB_INSTALL): Delete.
6026 (SHLIB_LINK): Make dummy.
6027 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
6029 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
6031 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
6032 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
6033 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
6034 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
6036 * configure.ac (all_outputs): Remove mklibgcc.
6037 * configure: Regenerated.
6039 2007-01-03 Josh Conner <jconner@apple.com>
6042 * calls.c (compute_argument_addresses): Set stack and stack_slot
6043 for partial args, too.
6044 (store_one_arg): Use locate.size.constant for the size when
6045 generating a save_area.
6047 2007-01-03 Robert Kennedy <jimbob@google.com>
6049 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
6050 whose definitions are deleted due to basic block merging.
6052 2007-01-03 Paul Brook <paul@codesourcery.com>
6055 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
6057 (use_return_insn): Return 0 for Thumb interrupt functions.
6058 (print_multi_reg): Add rfe argument for IRQ returns.
6059 (arm_output_epilogue): Pop interrupt return address directly into PC.
6060 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
6062 2007-01-03 Paul Brook <paul@codesourcery.com>
6064 Merge from sourcerygxx-4_1.
6065 * config/arm/thumb2.md: New file.
6066 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
6068 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
6069 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6070 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
6071 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
6073 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6074 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
6076 * config/arm/ieee754-sf.S: Ditto.
6077 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
6078 (thumb1_base_register_rtx_p): ... to this.
6079 (thumb_index_register_rtx_p): Rename...
6080 (thumb1_index_register_rtx_p): ... to this.
6081 (thumb_output_function_prologue): Rename...
6082 (thumb1_output_function_prologue): ... to this.
6083 (thumb_legitimate_address_p): Rename...
6084 (thumb1_legitimate_address_p): ... to this.
6085 (thumb_rtx_costs): Rename...
6086 (thumb1_rtx_costs): ... to this.
6087 (thumb_compute_save_reg_mask): Rename...
6088 (thumb1_compute_save_reg_mask): ... to this.
6089 (thumb_final_prescan_insn): Rename...
6090 (thumb1_final_prescan_insn): ... to this.
6091 (thumb_expand_epilogue): Rename...
6092 (thumb1_expand_epilogue): ... to this.
6093 (arm_unwind_emit_stm): Rename...
6094 (arm_unwind_emit_sequence): ... to this.
6095 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
6096 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
6097 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
6098 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
6099 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
6100 thumb2_output_casesi): New functions.
6101 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
6102 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
6103 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
6104 THUMB2_WORK_REGS): Define.
6105 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
6106 arm_condexec_mask, arm_condexec_masklen)): New variables.
6107 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
6108 (arm_override_options): Check new CPU capabilities.
6109 Set new architecture flag variables.
6110 (arm_isr_value): Handle v7m interrupt functions.
6111 (user_return_insn): Return 0 for v7m interrupt functions. Handle
6113 (const_ok_for_arm): Handle Thumb-2 constants.
6114 (arm_gen_constant): Ditto. Use movw when available.
6115 (arm_function_ok_for_sibcall): Return false for v7m interrupt
6117 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
6118 (thumb_find_work_register, arm_load_pic_register,
6119 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
6120 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
6121 print_multi_reg, output_mov_long_double_fpa_from_arm,
6122 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
6123 output_mov_double_fpa_from_arm, output_move_double,
6124 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
6125 output_return_instruction, arm_output_function_prologue,
6126 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
6127 arm_output_mi_thunk, thumb_set_return_address): Ditto.
6128 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
6129 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
6130 (arithmetic_instr, shift_op): Use arm_shift_nmem.
6131 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
6133 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
6134 (thumb_expand_prologue): Use thumb_set_frame_pointer.
6135 (arm_file_start): Output directive for unified syntax.
6136 (arm_unwind_emit_set): Handle stack alignment instruction.
6137 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
6138 Add v6t2, v7, v7a, v7r and v7m.
6139 (RETLDM): Add Thumb-2 code.
6140 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
6141 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
6142 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
6143 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
6144 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
6145 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
6146 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
6147 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
6148 ADJUST_INSN_LENGTH): Define.
6149 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
6150 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
6151 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
6152 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
6153 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6154 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
6155 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
6156 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
6157 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
6158 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
6159 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
6160 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
6161 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
6162 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
6163 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
6164 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
6165 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
6167 * config/arm/arm-tune.md: Regenerate.
6168 * config/arm/arm-protos.h: Update prototypes.
6169 * config/arm/vfp.md: Enable patterns for Thumb-2.
6170 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
6171 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
6172 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
6173 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
6174 * config/arm/libunwind.S: Add Thumb-2 code.
6175 * config/arm/constraints.md: Update include Thumb-2.
6176 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
6177 * config/arm/ieee754-df.S: Ditto.
6178 * config/arm/bpabi.S: Ditto.
6179 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
6180 * config/arm/predicates.md (low_register_operand,
6181 low_reg_or_int_operand, thumb_16bit_operator): New.
6182 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
6183 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
6184 * config/arm/t-arm-elf: Add armv7 multilib.
6185 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
6187 (UNSPEC_STACK_ALIGN, ce_count): New.
6188 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
6189 arm_zero_extendsidi2, arm_zero_extendqidi2): New
6191 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
6192 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
6193 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
6194 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
6195 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
6196 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
6198 * doc/extend.texi: Document ARMv7-M interrupt functions.
6199 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
6201 2007-01-03 Jakub Jelinek <jakub@redhat.com>
6203 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
6204 (struct _Unwind_Context): Rename args_size to flags, remove
6205 signal_frame field, add a new args_size field and version field.
6206 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
6207 _Unwind_IsExtendedContext): New inline functions.
6208 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6209 Assume by_value array is only present if _Unwind_IsExtendedContext.
6210 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
6211 _Unwind_IsSignalFrame.
6212 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
6213 (uw_update_context_1): Use _Unwind_SetSignalFrame.
6214 (uw_init_context_1): Initialize context->flags to
6215 EXTENDED_CONTEXT_BIT.
6216 * config/rs6000/linux-unwind.h (frob_update_context): Use
6217 _Unwind_SetSignalFrame.
6219 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
6222 * gimplify.c (gimplify_modify_expr_complex_part): Move below
6223 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
6226 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
6228 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
6229 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
6230 RET, AT_SP): Remove.
6231 * config/i386/i386.md (*sse_prologue_save_insn): Use return
6234 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6235 * cfgbuild.c (find_basic_blocks): Likewise.
6236 * cfgrtl.c (rtl_create_basic_block): Likewise.
6237 * function.c (temp_slots_at_level): Likewise.
6238 * reg-stack.c (stack_regs_mentioned): Likewise.
6239 * regclass.c (allocate_reg_info): Likewise.
6240 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6241 set_bb_for_stmt, move_block_to_fn): Likewise.
6242 * tree-complex.c (tree_lower_complex): Likewise.
6243 * vec.h (VEC_safe_grow_cleared): New.
6245 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
6247 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
6249 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
6250 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
6252 * cfgloopmanip.c (scale_loop_frequencies): Export.
6253 (loopify): Scale the frequencies by prescribed coefficients.
6254 (set_zero_probability): New function.
6255 (duplicate_loop_to_header_edge): Improve updating of frequencies.
6256 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
6257 and frequencies according to arguments.
6258 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
6260 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
6261 * modulo-sched.c (sms_schedule): Set probabilities for entering
6262 versioned loop correctly.
6263 * tree-vect-transform.c (vect_transform_loop): Ditto.
6264 * cfgloop.h (loopify, loop_version): Declaration changed.
6265 (scale_loop_frequencies): Declared.
6267 2007-01-02 Jan Hubicka <jh@suse.cz>
6269 * cgraph.c: Include tree-flow.h
6270 (cgraph_add_new-function): Handle IPA_SSA mode; execute
6272 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
6273 * tree-pass.h (pass_all_early_optimizations): Declare.
6274 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
6276 (cgraph_analyze_function): Do early_local_passes.
6277 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6278 Do not add referenced vars.
6279 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
6281 (gate_all_early_local_passes): New gate.
6282 (pass_early_local_passes): Use new gate.
6283 (execute_early_local_optimizations): New functions.
6284 (gate_all_early_optimizations): New gate.
6285 (pass_all_early_optimizations): New pass.
6286 (execute_free_datastructures): Free SSA only when initialized.
6287 (gate_init_datastructures): Init only when optimizing.
6288 (tree_lowering_passes): Do early local passes when called late.
6289 * tree-profile.c (do_tree_profiling): Don't profile functions added
6291 (do_early_tree_profiling, pass_early_tree_profile): Kill.
6292 * tree-cfg.c (update_modified_stmts): Do not update when operands are
6294 * passes.c (init_optimizations_passes): Reorder so we go into SSA
6295 during early_local_passes.
6296 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
6299 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
6301 * Makefile.in: Update copyright year.
6303 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
6305 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
6306 in $(lang_checks) and check-consistency targets.
6308 2007-01-02 Jan Hubicka <jh@suse.cz>
6310 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6311 Do not add referenced vars.
6312 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
6314 * passes.c (init_optimization_passes): Put mudflap_2 after
6315 free_datastructures.
6317 2007-01-02 Jan Hubicka <jh@suse.cz>
6319 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
6320 Set NOTHROW flag on call statements proved to be nothrow.
6321 Update statement of local calls so new pure/const functions are
6322 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
6324 (tree_rest_of_compilation): Register hooks and initialize bitmap
6325 early. Do not set after_inlining flag.
6327 2007-01-02 Steve Ellcey <sje@cup.hp.com>
6329 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
6330 HOST_BITS_PER_LONGLONG
6332 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6335 * c-typeck.c (store_init_value): Don't emit pedantic overflow
6336 warning for non-static initializers.
6338 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
6340 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
6341 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
6342 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
6343 Always use set_unique_reg_note to add REG_EQUAL notes.
6345 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
6348 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
6350 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6351 * cfgbuild.c (find_basic_blocks): Likewise.
6352 * cfgrtl.c (rtl_create_basic_block): Likewise.
6353 * function.c (temp_slots_at_level): Likewise.
6354 * reg-stack.c (stack_regs_mentioned): Likewise.
6355 * regclass.c (allocate_reg_info): Likewise.
6356 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6357 set_bb_for_stmt, move_block_to_fn): Likewise.
6358 * tree-complex.c (tree_lower_complex): Likewise.
6359 * vec.h (VEC_safe_grow_cleared): New.
6361 2007-01-02 Ian Lance Taylor <iant@google.com>
6363 * c-common.c (c_common_truthvalue_conversion): When warning about
6364 using an assignment as a truth value, set TREE_NO_WARNING.
6366 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6369 * c.opt (Wold-style-declaration): New.
6370 * doc/invoke.texi (C-only Warning Options): New.
6371 (Wold-style-declaration): Document it.
6372 (Wextra): Enabled by -Wextra.
6373 * c-opts.c (c_common_post_options): Enabled by -Wextra.
6374 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
6375 -Wold-style-declaration.
6377 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
6379 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6380 * cfgbuild.c (find_basic_blocks): Likewise.
6381 * cfgrtl.c (rtl_create_basic_block): Likewise.
6382 * function.c (temp_slots_at_level): Likewise.
6383 * reg-stack.c (stack_regs_mentioned): Likewise.
6384 * regclass.c (allocate_reg_info): Likewise.
6385 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6386 set_bb_for_stmt, move_block_to_fn): Likewise.
6387 * tree-complex.c (tree_lower_complex): Likewise.
6388 * vec.h (VEC_safe_grow_cleared): New.
6390 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
6392 * c-common.c (c_common_nodes_and_builtins): Since variants of
6393 void_type_node get built before it is given a name, we need to
6394 give those variants the name, too.
6395 (complete_array_type): We need to work with the canonical main
6396 type of the array, from which we will build the qualified version.
6397 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
6398 * print-tree.c (print_node): Display canonical type information
6400 * stor-layout.c (layout_type): When we don't know the
6401 alignment of a type for which we're building an array, we end up
6402 guessing wrong, so make the type require structural equality.
6403 * tree.c (make_node_stat): When we build a new type, it is its
6405 (build_type_attribute_qual_variant): When building an attribute
6406 variant, its canonical type is the non-attribute variant. However,
6407 if the attributes are target-dependent and they differ, we need to
6408 use structural equality checks for this type.
6409 (build_qualified_type): A qualified type is not equivalent to its
6410 unqualified variant; set the canonical type appropriately.
6411 (build_distinct_type_copy): When building a distinct type from
6412 another type, the new type is its own canonical type.
6413 (build_variant_type_copy): When building a new type variant, we
6414 assume that it is equivalent to the original type.
6415 (build_pointer_type_for_mode): When building a pointer type, also
6416 build a canonical type pointer.
6417 (build_reference_type_for_mode): When building a reference type,
6418 also build a canonical type reference.
6419 (build_index_type): When we can't hash an index type (e.g.,
6420 because its maximum value is negative), the index type requires
6421 structural equality tests.
6422 (build_array_type): Build the canonical form of an array type.
6423 (build_function_type): Function types require structural equality,
6424 because they contain default arguments, attributes, etc.
6425 (build_method_type_directly): Ditto for method types.
6426 (build_offset_type): Build the canonical offset type.
6427 (build_complex_type): Build the canonical vector type.
6428 (make_vector_type): Build the canonical vector type.
6429 * tree.h (TYPE_CANONICAL): New.
6430 (TYPE_STRUCTURAL_EQUALITY_P): New.
6431 (SET_TYPE_STRUCTURAL_EQUALITY): New.
6432 (struct tree_type): Added "canonical" field.
6433 * params.h (VERIFY_CANONICAL_TYPES): New.
6434 * doc/c-tree.texi (TYPE_CANONICAL): Document.
6435 (TYPE_STRUCTURAL_EQUALITY_P): Document.
6436 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6437 * doc/invoke.texi (verify-canonical-types): Document --param
6438 parameter for verifying canonical types.
6440 2007-01-02 Joseph Myers <joseph@codesourcery.com>
6442 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6443 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6444 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6445 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6447 * config/rs6000/e500.h: New.
6448 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6449 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6451 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6452 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6453 TARGET_E500_DOUBLE): Remove.
6454 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6455 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6456 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6457 * config/rs6000/rs6000.c (rs6000_override_options): Use
6460 2007-01-02 Joseph Myers <joseph@codesourcery.com>
6462 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6463 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6464 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6465 rs6000_emit_cmove): Don't check TARGET_E500.
6466 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6467 sordered): Don't check TARGET_E500.
6469 2007-01-01 Eric Christopher <echristo@apple.com>
6471 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6472 HARD_REGISTER_NUM_P.
6474 2007-01-01 Roger Sayle <roger@eyesopen.com>
6476 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6477 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6478 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6481 2007-01-01 Mike Stump <mrs@apple.com>
6483 * configure.ac: Remove support for building with Apple's gcc-3.1.
6485 2007-01-02 Joseph Myers <joseph@codesourcery.com>
6488 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6489 REG is a hard register. Do not modify REG before calling
6491 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6492 multiple of the size of YMODE for certain lowpart cases.
6494 2007-01-01 Andrew Pinski <pinskia@gmail.com>
6497 * gimplify (voidify_wrapper_expr): Update for
6500 2007-01-01 Andreas Schwab <schwab@suse.de>
6503 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6504 save of BR0 in extra_spill_size instead of spill_size.
6505 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6507 (ia64_expand_epilogue): Restore BR0 from its new location.
6509 2007-01-01 Andrew Pinski <pinskia@gmail.com>
6511 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6512 Use a temporary variable if the left hand side is not a gimple
6515 2007-01-01 Andrew Pinski <pinskia@gmail.com>
6517 * gimplify.c (gimplify_return_expr): Make the temporary variable
6518 for the return expression, a gimple register variable.
6520 2007-01-01 Jan Hubicka <jh@suse.cz>
6522 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6525 2007-01-01 Mike Stump <mrs@apple.com>
6527 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6529 * config/darwin.c (machopic_select_rtx_section): Use
6531 (darwin_mergeable_constant_section): Likewise.
6532 * configure: Regenerate.
6533 * config.in: Regenerate.
6535 2007-01-01 Jan Hubicka <jh@suse.cz>
6536 Andrew Pinski <pinskia@gmail.com>
6538 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6539 before starting IPA passes.