| blob | 37f33bbe79d16dd7491b857704138d876e5e0669 |
1 2007-02-21 Paul Brook <paul@codesourcery.com>
3 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
4 condexec_count when skipping USE and CLOBBER.
6 2007-02-21 Nick Clifton <nickc@redhat.com>
8 * common.opt (Warray-bounds): Add Warning attribute.
9 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
10 Likewise.
11 (fsized-zeroes): Add Optimization attribute.
12 (fsplit-wide-types, ftree-scev-cprop): Likewise.
13 * c.opt (Wc++0x-compat): Add Warning attribute.
15 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
17 PR middle-end/30761
18 * reload1.c (eliminate_regs_in_insn): In the single_set special
19 case, attempt to re-recognize the insn before falling back to
20 having reload fix it up.
22 2007-02-20 Eric Christopher <echristo@gmail.com>
24 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
25 Rewrite accordingly.
26 (frv_read_iacc_argument): Ditto.
27 (frv_expand_set_builtin): Take a call instead of arglist, update for
28 above changes.
29 (frv_expand_unop_builtin): Ditto.
30 (frv_expand_binop_builtin): Ditto.
31 (frv_expand_cut_builtin): Ditto.
32 (frv_expand_binopimm_builtin): Ditto.
33 (frv_expand_voidbinop_builtin): Ditto.
34 (frv_expand_int_void2arg): Ditto.
35 (frv_expand_prefetches): Ditto.
36 (frv_expand_voidtriop_builtin): Ditto.
37 (frv_expand_voidaccop_builtin): Ditto.
38 (frv_expand_load_builtin): Ditto.
39 (frv_expand_store_builtin): Ditto.
40 (frv_expand_mdpackh_builtin): Ditto.
41 (frv_expand_mclracc_builtin): Ditto.
42 (frv_expand_mrdacc_builtin): Ditto.
43 (frv_expand_mwtacc_builtin): Ditto.
44 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
45 calls for above.
47 2007-02-20 Janis Johnson <janis187@us.ibm.com>
49 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
50 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
51 cmpb instruction.
52 (HAVE_GAS_DFP): Check for assembler support of decimal floating
53 point instructions.
54 * configure: Regenerate.
55 * config.in: Regenerate.
56 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
57 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
58 masks to power6 and power6x and to POWERPC_MASKS.
59 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
60 _ARCH_PWR6.
61 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
62 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
63 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
64 Access PROTOTYPE as variable, not mask.
66 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
68 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
69 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
70 * combine.c (adjust_for_new_dest): Use it.
71 * postreload.c (reload_combine): Likewise.
73 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
75 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
76 notes on an insn with multiple sets, even if single_set returns
77 non-NULL for that insn.
79 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
81 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
82 scalbn and scalbln.
84 2007-02-20 Geoffrey Keating <geoffk@apple.com>
86 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
87 if user didn't pass it.
88 * config/i386/darwin.h (CC1_SPEC): Likewise.
89 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
90 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
91 -mmacosx-version-min.
93 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
94 Uros Bizjak <ubizjak@gmail.com>
96 * optabs.h (enum optab_index): Add new OTI_scalb.
97 (scalb_optab): Define corresponding macro.
98 * optabs.c (init_optabs): Initialize scalb_optab.
99 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
100 patterns.
101 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
102 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
103 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
104 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
105 flag_unsafe_math_optimizations is set.
107 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
108 to implement scalbf, scalb and scalbl built-ins as inline x87
109 intrinsics.
111 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
112 DJ Delorie <dj@redhat.com>
114 PR other/30824
115 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
116 (diagnostic_report_diagnostic): ... here, and turn them into real
117 errors. If warnings are inhibited, no need to do anything.
119 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
121 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
122 better code generation.
124 2007-02-20 Ben Elliston <bje@au.ibm.com>
126 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
128 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
130 * config/alpha/alpha.c, config/alpha/alpha.md,
131 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
132 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
133 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
134 config/arm/lib1funcs.asm: Follow spelling conventions.
136 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
137 config/fr30/fr30.md, config/i386/i386.h,
138 config/iq2000/iq2000.h, config/iq2000/predicates.md,
139 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
140 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
141 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
142 config/rs6000/altivec.md, config/rs6000/rs6000.c,
143 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
144 config/sparc/sparc.c, config/sparc/sparc.h,
145 config/sparc/sparc.md, config/spu/constraints.md,
146 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
147 conventions.
149 2007-02-20 Alan Modra <amodra@bigpond.net.au>
151 PR target/29943
152 * varasm.c (use_blocks_for_decl_p): Return false for decls with
153 alias attribute.
155 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
157 * doc/invoke.texi (-ftree-lrs): Remove.
159 2007-02-19 Diego Novillo <dnovillo@redhat.com>
161 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
162 NULL.
164 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
166 * config/ia64/ia64.c (ia64_expand_builtin): Use the
167 new CALL_EXPR_FN macro for retrieving the function
168 declaration of the input expression.
170 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
172 * c.opt (Waddress): New.
173 * common.opt (Walways-true): Delete.
174 (Wstring-literal-comparison): Delete.
175 * doc/invoke.texi (Warning Options): Delete -Walways-true and
176 -Wstring-literal-comparison. Add -Waddress.
177 (Waddress): New.
178 (Walways-true): Delete.
179 (Wstring-literal-comparison): Delete.
180 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
181 consistently instead of -Walways-true in example.
182 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
183 * c-typeck.c (parser_build_binary_op): Replace
184 -Wstring-literal-comparison and -Walways-true with -Waddress.
185 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
186 with -Waddress.
188 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
190 * tree-cfg.c (dump_function_to_file): Be prepared for functions
191 without DECL_STRUCT_FUNCTION initialized.
193 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
195 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
196 due to calls to functions taking pointers as parameters.
198 2007-02-19 Richard Henderson <rth@redhat.com>
200 PR debug/29558
201 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
202 in memory.
204 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
206 * config/s390/s390.c (s390_call_saved_register_used,
207 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
208 accessed to the new scheme.
210 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
212 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
213 (cris_print_index, cris_print_operand, cris_print_operand_address)
214 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
215 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
216 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
217 GET_CODE () == xxx.
218 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
219 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
220 GO_IF_LEGITIMATE_ADDRESS): Ditto.
221 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
222 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
223 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
224 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
225 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
226 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
227 (uminsi3, call, call_value): Ditto.
228 (define_split: indir_to_reg_split, unnamed): Ditto.
230 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
232 PR tree-optimization/30975
233 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
234 wrong assert.
236 2007-02-18 Eric Christopher <echristo@gmail.com>
238 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
239 Remove use of arglist.
240 (mips_expand_builtin): Remove use of arglist, pass in expr.
241 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
242 (mips_expand_builtin_movtf): Ditto.
243 (mips_expand_builtin_compare): Ditto.
245 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
247 * tree-sra.c (sra_build_assignment): Replace assertion
248 checking with a comment explaining why it can't be done.
250 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
252 PR middle-end/30833
253 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
254 during CALL_EXPR representation conversion.
255 * tree-ssa-propagate.c (set_rhs): Likewise.
257 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
259 * tree-sra.c (sra_build_assignment): Disable assertion checking
260 for now.
262 2007-02-18 Roger Sayle <roger@eyesopen.com>
264 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
265 instead of calling build2 with a GIMPLE_MODIFY_STMT.
266 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
267 Likewise.
268 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
269 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
270 gimplify_init_ctor_eval_range, gimple_push_cleanup,
271 gimplify_omp_for, gimplify_omp_atomic_pipeline,
272 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
273 force_gimple_operand): Likewise.
274 * ipa-cp.c (constant_val_insert): Likewise.
275 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
276 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
277 perfect_nestify): Likewise.
278 * langhooks.c (lhd_omp_assignment): Likewise.
279 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
280 lower_copyprivate_clauses, lower_send_clauses,
281 lower_send_shared_vars, expand_parallel_call,
282 expand_omp_for_generic, expand_omp_for_static_nochunk,
283 expand_omp_for_static_chunk, expand_omp_sections,
284 lower_omp_single_copy, lower_omp_for_lastprivate,
285 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
286 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
287 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
288 Likewise.
290 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
292 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
293 config/sh/sh.md: Follow spelling conventions.
295 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
296 config/frv/predicates.md: Follow spelling conventions.
298 * config/m68k/linux-unwind.h: Fix a comment typo.
299 * target.h: Follow spelling conventions.
301 2007-02-18 Roger Sayle <roger@eyesopen.com>
303 PR rtl-optimization/28173
304 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
305 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
306 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
307 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
308 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
310 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
312 * builtins.c (fold_builtin_load_exponent): New.
313 (fold_builtin_2): Use it.
315 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
317 PR rtl-optimization/30773
318 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
319 if we fail to attach a REG_EQUIV note.
321 2007-02-18 David Edelsohn <edelsohn@gnu.org>
322 Roger Sayle <roger@eyesopen.com>
324 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
326 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
328 * calls.c (initialize_argument_information): Pass original EXP
329 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
330 code to split complex arguments here, as part of initializing the
331 ARGS array.
332 (expand_call): Remove code that builds a list of arguments and
333 inserts implicit arguments into it. Instead, just count how many
334 implicit arguments there will be so we can determine the size of
335 the ARGS array, and let initialize_argument_information do the work.
336 (split_complex_values): Delete unused function.
338 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
340 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
342 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
344 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
345 for arg pointer based indexed addressing.
347 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
349 * config/ia64/ia64.h, config/ia64/ia64.md,
350 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
351 spelling conventions.
353 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
355 * config/m68k/m68k.c (split_di): New.
356 * config/m68k/m68k-protos.h: Declare split_di.
357 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
358 Improve predicate handling and split constant shifts.
360 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
362 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
363 parameter for register bitfield operations, general predicates
364 cleanup
366 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
368 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
369 * config/m68k/linux-unwind.h: New file.
371 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
373 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
374 config/i386/athlon.md, config/ia64/ia64.md,
375 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
376 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
377 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
378 tree-ssa-loop-niter.c, tree-vect-analyze.c,
379 tree-vect-transform.c: Fix comment typos.
381 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
383 * sched-deps.c (find_insn_list): Remove.
384 * sched-int.h: Remove the prototype for find_insn_list.
386 2007-02-16 Geoffrey Keating <geoffk@apple.com>
388 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
389 to linker.
390 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
391 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
392 darwin_rs6000_override_options.
393 (C_COMMON_OVERRIDE_OPTIONS): Expect
394 darwin_macosx_version_min to be non-NULL always.
395 (TARGET_C99_FUNCTIONS): Likewise.
396 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
397 (DARWIN_MINVERSION_SPEC): New.
398 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
399 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
400 to cc1*.
401 (DARWIN_MINVERSION_SPEC): New.
402 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
403 value.
404 * config/darwin-c.c (darwin_cpp_builtins): Expect
405 darwin_macosx_version_min to be non-NULL always.
407 * config/rs6000/rs6000.c: Clean up trailing whitespace.
409 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
411 * config/i386/i386.h (x86_use_xchgb): New.
412 (TARGET_USE_XCHGB): New macro.
413 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
414 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
415 Split after reload into bswaphi for shifts of 8.
416 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
417 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
418 or when optimizing for size.
420 2007-02-16 Richard Guenther <rguenther@suse.de>
421 Christian Bruel <christian.bruel@st.com>
423 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
424 DECLs but prefer SSA_NAMEs over DECLs.
426 2007-02-16 Richard Guenther <rguenther@suse.de>
428 * tree-flow-inline.h (single_imm_use_p): Remove.
429 (zero_imm_uses_p): Likewise.
430 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
431 instead of single_imm_use_p.
432 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
433 zero_imm_uses_p.
435 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
437 PR other/27843
438 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
439 nested double- and backquotes.
441 2007-02-15 Roger Sayle <roger@eyesopen.com>
443 PR middle-end/30391
444 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
445 should be unreachable.
446 (build2_stat): Allow construction of MODIFY_EXPR at any time.
447 For the time being redirect GIMPLE_MODIFY_STMT to the new
448 (renamed) build_gimple_modify_stmt_stat.
449 (build2_gimple_stat): Rename to...
450 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
451 Always build a GIMPLE_MODIFY_STMT node.
452 * tree.h (build2_gimple, build2_gimple_stat): Delete.
453 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
454 declarations.
456 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
457 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
458 * tree-complex.c (set_component_ssa_name, expand_complex_move,
459 expand_complex_div_wide): Likewise.
460 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
461 * tree-ssa-loop-im.c (schedule_sm): Likewise.
462 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
463 * tree-ssa-loop-manip.c (create_iv): Likewise.
464 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
465 abs_replacement): Likewise.
466 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
467 realify_fake_stores): Likewise.
469 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
470 node rather than a GIMPLE_MODIFY_STMT node.
471 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
472 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
473 Likewise.
474 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
475 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
476 GIMPLE_MODIFY_STMT.
478 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
480 PR middle-end/30433
481 * fold-const.c (fold_comparison): Add back the
482 folding of constant complex comparisions.
484 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
486 PR middle-end/30729
487 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
488 effects unknown to this function, return early.
490 2007-02-15 Ian Lance Taylor <iant@google.com>
492 * lower-subreg.c (move_eh_region_note): New static function.
493 (resolve_simple_move): Call it.
494 (decompose_multiword_subregs): Track blocks for which we resolve a
495 simple move which is also a control flow insn. Pass them to
496 find_many_sub_basic_blocks.
497 (pass_lower_subreg): Add TODO_verify_flow.
498 (pass_lower_subreg2): Likewise.
500 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
501 Brooks Moses <brooks.moses@codesourcery.com>
502 Lee Millward <lee.millward@codesourcery.com>
504 * tree.h (enum tree_code_class): Add tcc_vl_exp.
505 (VL_EXP_CLASS_P): New.
506 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
507 TREE_CODE_LENGTH.
508 (TREE_OPERAND_CHECK_CODE): Likewise.
509 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
510 (TREE_RTL_OPERAND_CHECK): Likewise.
511 (tree_operand_check_failed): Make second parameter the whole tree
512 instead of its code. Fixed callers.
513 (VL_EXP_CHECK): New.
514 (TREE_OPERAND_LENGTH): New.
515 (VL_EXP_OPERAND_LENGTH): New.
516 (CALL_EXPR_FN): New.
517 (CALL_EXPR_STATIC_CHAIN): New.
518 (CALL_EXPR_ARGS): New.
519 (CALL_EXPR_ARG): New.
520 (call_expr_nargs): New.
521 (CALL_EXPR_ARGP): New.
522 (build_nt_call_list): Declare.
523 (build_vl_exp_stat): Declare.
524 (build_vl_exp): New.
525 (build_call_list): Declare.
526 (build_call_nary): Declare.
527 (build_call_valist): Declare.
528 (build_call_array): Declare.
529 (call_expr_arg): Declare.
530 (call_expr_argp): Declare.
531 (call_expr_arglist): Declare.
532 (fold_build_call_list): Declare.
533 (fold_build_call_list_initializer): Declare.
534 (fold_call_expr): Declare to replace fold_builtin.
535 (fold_builtin_fputs): Update to agree with modified definition.
536 (fold_builtin_strcpy): Likewise.
537 (fold_builtin_strncpy): Likewise.
538 (fold_builtin_memory_chk): Likewise.
539 (fold_builtin_stxcpy_chk): Likewise.
540 (fold_builtin_strncpy_chk): Likewise.
541 (fold_builtin_next_arg): Likewise.
542 (fold_build_call_expr): Declare.
543 (fold_builtin_call_list): Declare.
544 (fold_builtin_call_valist): Declare.
545 (build_call_expr): Declare.
546 (validate_arglist): Update to agree with modified definition.
547 (tree_operand_length): New.
548 (call_expr_arg_iterator): New.
549 (init_call_expr_arg_iterator): New.
550 (next_call_expr_arg): New.
551 (first_call_expr_arg): New.
552 (more_call_expr_args_p): New.
553 (FOR_EACH_CALL_EXPR_ARG): New.
555 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
556 and tcc_gimple_stmt.
557 (tree_code_size): Update documentation. Use sizeof (tree) rather
558 than sizeof (char *).
559 (tree_size): Likewise. Add case for tcc_vl_exp.
560 (tree_node_structure): Add case for tcc_vl_exp.
561 (contains_placeholder_p): Likewise.
562 (substitute_in_expr): Likewise.
563 (substitute_placeholder_in_expr): Likewise.
564 (stabilize_reference_1): Likewise.
565 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
566 to diagnose breakage of this interface for constructing CALL_EXPRs.
567 (build_nt): Add similar assertion here.
568 (build_nt_call_list): New.
569 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
570 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
571 TREE_CODE_LENGTH.
572 (get_callee_fndecl): Use new CALL_EXPR accessors.
573 (tree_operand_check_failed): Change parameters to pass entire node
574 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
575 (process_call_operands): New.
576 (build_vl_exp_stat): New.
577 (build_call_list): New.
578 (build_call_nary): New.
579 (build_call_valist): New.
580 (build_call_array): New.
581 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
582 (call_expr_arglist): New.
584 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
585 tcc_vl_exp instead of a fixed-size tcc_expression.
587 * doc/c-tree.texi (CALL_EXPR): Document new representation and
588 accessors for CALL_EXPRs.
589 (AGGR_INIT_EXPR): Likewise.
591 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
592 Brooks Moses <brooks.moses@codesourcery.com>
593 Lee Millward <lee.millward@codesourcery.com>
595 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
596 (expand_builtin_nonlocal_goto): Change parameter to be entire
597 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
598 (expand_builtin_prefetch): Likewise.
599 (expand_builtin_classify_type): Likewise.
600 (mathfn_built_in): Return NULL_TREE instead of 0.
601 (expand_errno_check): Use new CALL_EXPR accessors.
602 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
603 Return NULL_RTX instead of 0.
604 (expand_builtin_mathfn_2): Likewise.
605 (expand_builtin_mathfn_3): Likewise.
606 (expand_builtin_interclass_mathfn): Likewise.
607 (expand_builtin_sincos): Likewise.
608 (expand_builtin_cexpi): Likewise.
609 (expand_builtin_int_roundingfn): Likewise.
610 (expand_builtin_int_roundingfn_2): Likewise.
611 (expand_builtin_pow): Likewise.
612 (expand_builtin_powi): Likewise.
613 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
614 of arglist, fixing callers appropriately. Use new CALL_EXPR
615 accessors and constructors. Return NULL_RTX instead of 0.
616 (expand_builtin_strstr): Likewise.
617 (expand_builtin_strchr): Likewise.
618 (expand_builtin_strrchr): Likewise.
619 (expand_builtin_strpbrk): Likewise.
620 (expand_builtin_memcpy): Likewise.
621 (expand_builtin_mempcpy): Likewise.
622 (expand_builtin_mempcpy_args): New.
623 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
624 (expand_builtin_memmove_args): New.
625 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
626 (expand_movstr): Likewise.
627 (expand_builtin_strcpy): Likewise.
628 (expand_builtin_strcpy_args): New.
629 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
630 (expand_builtin_strncpy): Likewise.
631 (expand_builtin_memset): Likewise.
632 (expand_builtin_memset_args): New.
633 (expand_builtin_bzero): Similarly to expand_builtin_memset.
634 (expand_builtin_memcmp): Likewise.
635 (expand_builtin_strcmp): Likewise.
636 (expand_builtin_strncmp): Likewise.
637 (expand_builtin_strcat): Likewise.
638 (expand_builtin_strncat): Likewise.
639 (expand_builtin_strspn): Likewise.
640 (expand_builtin_strcspn): Likewise.
641 (expand_builtin_args_info): Likewise.
642 (expand_builtin_va_start): Likewise.
643 (gimplify_va_arg_expr): Likewise.
644 (expand_builtin_va_end): Likewise.
645 (expand_builtin_va_copy): Likewise.
646 (expand_builtin_frame_address): Likewise.
647 (expand_builtin_alloca): Likewise.
648 (expand_builtin_bswap): Likewise.
649 (expand_builtin_unop): Likewise.
650 (expand_builtin_fputs): Likewise.
651 (expand_builtin_expect): Likewise.
652 (expand_builtin_fabs): Likewise.
653 (expand_builtin_copysign): Likewise.
654 (expand_builtin_printf): Likewise.
655 (expand_builtin_fprintf): Likewise.
656 (expand_builtin_sprintf): Likewise.
657 (expand_builtin_init_trampoline): Likewise.
658 (expand_builtin_signbit): Likewise.
659 (expand_builtin_fork_or_exec): Likewise.
660 (expand_builtin_sync_operation): Likewise.
661 (expand_builtin_compare_and_swap): Likewise.
662 (expand_builtin_lock_test_and_set): Likewise.
663 (expand_builtin_lock_release): Likewise.
664 (expand_builtin): Likewise.
665 (builtin_mathfn_code): Likewise.
667 (fold_builtin_constant_p): Pass call arguments individually instead
668 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
669 accessors and constructors. Return NULL_TREE instead of 0.
670 (fold_builtin_expect): Likewise.
671 (fold_builtin_classify_type): Likewise.
672 (fold_builtin_strlen): Likewise.
673 (fold_builtin_nan): Likewise.
674 (integer_valued_real_p): Likewise.
675 (fold_trunc_transparent_mathfn): Likewise.
676 (fold_fixed_mathfn): Likewise.
677 (fold_builtin_cabs): Likewise.
678 (fold_builtin_sqrt): Likewise.
679 (fold_builtin_cbrt): Likewise.
680 (fold_builtin_cos): Likewise.
681 (fold_builtin_cosh): Likewise.
682 (fold_builtin_tan): Likewise.
683 (fold_builtin_sincos): Likewise.
684 (fold_builtin_cexp): Likewise.
685 (fold_builtin_trunc): Likewise.
686 (fold_builtin_floor): Likewise.
687 (fold_builtin_ceil): Likewise.
688 (fold_builtin_round): Likewise.
689 (fold_builtin_int_roundingfn): Likewise.
690 (fold_builtin_bitop): Likewise.
691 (fold_builtin_bswap): Likewise.
692 (fold_builtin_logarithm): Likewise.
693 (fold_builtin_hypot): Likewise.
694 (fold_builtin_pow): Likewise.
695 (fold_builtin_powi): Likewise.
696 (fold_builtin_exponent): Likewise.
697 (fold_builtin_memset): Likewise.
698 (fold_builtin_bzero): Likewise.
699 (fold_builtin_memory_op): Likewise.
700 (fold_builtin_bcopy): Deleted; call site changed to invoke
701 fold_builtin_memory_op directly.
702 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
703 (fold_builtin_strncpy): Likewise.
704 (fold_builtin_memcmp): Likewise.
705 (fold_builtin_strcmp): Likewise.
706 (fold_builtin_strncmp): Likewise.
707 (fold_builtin_signbit): Likewise.
708 (fold_builtin_copysign): Likewise.
709 (fold_builtin_isascii): Likewise.
710 (fold_builtin_toascii): Likewise.
711 (fold_builtin_isdigit): Likewise.
712 (fold_builtin_fabs): Likewise.
713 (fold_builtin_abs): Likewise.
714 (fold_builtin_fmin_fmax): Likewise.
715 (fold_builtin_carg): Likewise.
716 (fold_builtin_classify): Likewise.
717 (fold_builtin_unordered_cmp): Likewise.
719 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
720 New functions split out from fold_builtin_1.
721 (fold_builtin_n): New.
722 (fold_builtin_varargs): New.
723 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
724 instead.
725 (fold_call_expr): New.
726 (build_function_call_expr): Rewrite to use new helper function.
727 (fold_builtin_call_list): New.
728 (build_call_expr): New.
729 (fold_builtin_call_valist): New.
730 (rewrite_call_expr): New.
731 (validate_arg): New.
732 (validate_arglist): Change parameter to be entire CALL_EXPR instead
733 of an arglist. Change return type to bool. Use new CALL_EXPR
734 accessors.
736 (fold_builtin_strstr): Pass call arguments individually instead
737 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
738 accessors and constructors. Return NULL_TREE instead of 0.
739 (fold_builtin_strchr): Likewise.
740 (fold_builtin_strrchr): Likewise.
741 (fold_builtin_strpbrk): Likewise.
742 (fold_builtin_strcat): Likewise.
743 (fold_builtin_strncat): Likewise.
744 (fold_builtin_strspn): Likewise.
745 (fold_builtin_strcspn): Likewise.
746 (fold_builtin_fputs): Likewise.
747 (fold_builtin_next_arg): Likewise.
748 (fold_builtin_sprintf): Likewise.
750 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
751 NULL_RTX instead of 0.
752 (expand_builtin_memory_chk): Likewise.
753 (maybe_emit_chk_warning): Likewise.
754 (maybe_emit_sprintf_chk_warning): Likewise.
756 (fold_builtin_object_size): Pass call arguments individually instead
757 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
758 accessors and constructors. Return NULL_TREE instead of 0.
759 (fold_builtin_memory_chk): Likewise.
760 (fold_builtin_stxcpy_chk): Likewise.
761 (fold_builtin_strncpy_chk): Likewise.
762 (fold_builtin_strcat_chk): Likewise.
763 (fold_builtin_strcat_chk): Likewise.
764 (fold_builtin_strncat_chk): Likewise.
765 (fold_builtin_sprintf_chk): Likewise.
766 (fold_builtin_snprintf_chk): Likewise.
767 (fold_builtin_printf): Likewise.
768 (fold_builtin_vprintf): Likewise.
770 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
771 constructors.
772 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
773 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
774 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
775 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
776 (fold_unary): Likewise.
777 (fold_binary): Likewise.
778 (fold_ternary): Remove CALL_EXPR case, since they are no longer
779 ternary expressions.
780 (fold): Add logic for tcc_vl_exp.
781 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
782 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
783 (fold_build3_stat): Add assertion to flag broken interface for
784 constructing CALL_EXPRs.
785 (fold_build_call_list): New.
786 (fold_build_call_list_initializer): New.
787 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
788 constructors.
789 (fold_strip_sign_ops): Likewise.
791 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
792 Brooks Moses <brooks.moses@codesourcery.com>
793 Lee Millward <lee.millward@codesourcery.com>
795 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
796 accessors and dump arguments explicitly.
798 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
799 TREE_CODE_LENGTH.
800 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
801 explicitly.
802 (print_call_name): Use new CALL_EXPR accessors.
804 * print-tree.c (print_node): Add case tcc_vl_exp. Print
805 CALL_EXPR arguments explicitly instead of as a list. Use
806 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
808 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
809 (vrp_visit_stmt): Likewise.
811 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
812 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
813 TREE_CODE_LENGTH.
814 (force_move_till_expr): Likewise.
816 * targhooks.c (default_external_stack_protect_fail): Use
817 build_call_expr instead of build_function_call_expr.
818 (default_hidden_stack_protect_fail): Likewise.
820 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
821 build the call.
823 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
824 and walk arguments explicitly.
826 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
827 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
828 (expand_simple_operations): Likewise.
829 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
831 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
832 of TREE_CODE_LENGTH.
833 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
835 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
836 instead of TREE_CODE_LENGTH.
838 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
839 (tree_ic_transform): Likewise.
840 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
841 parameter instead of arglist. Fix callers.
842 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
843 (tree_stringops_transform): Likewise.
844 (tree_indirect_call_to_profile): Likewise.
845 (tree_stringops_values_to_profile): Likewise.
847 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
848 (eliminate_tail_call): Likewise.
850 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
852 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
853 Use TREE_OPERAND_LENGTH and generalize to handle any number of
854 operands.
855 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
857 * omp-low.c (build_omp_barrier): Use build_call_expr.
858 (lower_rec_input_clauses): Likewise.
859 (lower_reduction_clauses): Likewise.
860 (expand_parallel_call): Likewise.
861 (maybe_catch_exception): Likewise.
862 (expand_omp_for_generic): Likewise.
863 (expand_omp_for_static_nochunk): Likewise.
864 (expand_omp_sections): Likewise.
865 (lower_omp_single_simple): Likewise.
866 (lower_omp_single_copy): Likewise.
867 (lower_omp_master): Likewise.
868 (lower_omp_ordered): Likewise.
869 (lower_omp_critical): Likewise.
871 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
872 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
874 * tree-gimple.c (is_gimple_call_addr): Fix doc.
875 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
876 TREE_CODE_LENGTH. Add tcc_vl_exp case.
878 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
879 and generalize to handle any number of operands.
880 (chrec_contains_undetermined): Likewise.
881 (tree_contains_chrecs): Likewise.
882 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
884 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
886 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
887 fold_call_expr instead of fold_builtin.
888 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
889 match declarations there.
890 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
891 updates.
893 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
894 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
896 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
897 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
899 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
900 accessors.
902 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
903 (execute_cse_sincos): Use new CALL_EXPR accessors.
905 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
907 * gimple-low.c (lower_function_body): Use build_call_expr.
908 (lower_builtin_setjmp): Likewise.
910 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
911 (set_storage_via_libcall): Likewise.
912 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
913 instead of TREE_CODE_LENGTH.
914 (expand_expr_real_1): Use new CALL_EXPR accessors.
916 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
917 generalize to handle any number of operands.
918 (TB_parent_eq): Likewise.
920 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
921 (strip_builtin_expect): Likewise.
923 * function.c (gimplify_parameters): Use build_call_expr.
925 * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
926 instead of TREE_CODE_LENGTH.
928 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
929 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
931 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
932 iterators.
934 * gimplify.c (build_stack_save_restore): Use build_call_expr.
935 (gimplify_decl_expr): Likewise.
936 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
937 Use new CALL_EXPR iterators.
938 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
939 (gimplify_modify_expr_to_memset): Likewise.
940 (gimplify_variable_sized_compare): Likewise.
941 (gimplify_omp_atomic_fetch_op): Likewise.
942 (gimplify_omp_atomic_pipeline): Likewise.
943 (gimplify_omp_atomic_mutex): Likewise.
944 (gimplify_function_tree): Likewise.
946 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
947 (call_expr_flags): Likewise.
948 (expand_call): Likewise.
950 * except.c (expand_builtin_eh_return_data_regno): Pass entire
951 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
952 accessors.
954 * coverage.c (create_coverage): Use build_call_expr.
956 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
957 (temp_call_expr_obstack): New.
958 (pool_copy_list): Delete.
959 (temp_copy_call_expr): New.
960 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
961 CALL_EXPR accessors. Get rid of special goo for copying argument
962 lists and use temp_copy_call_expr instead.
963 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
964 CALL_EXPR accessors.
965 (create_expression_by_pieces): Likewise. Use build_call_array
966 to construct the result instead of fold_build3.
967 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
968 dealing with argument lists.
969 (init_pre): Remove references to expression_node_pool and
970 list_node_pool. Init temp_call_expr_obstack instead.
971 (fini_pre): Remove references to expression_node_pool and
972 list_node_pool.
974 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
975 and walk arguments explicitly instead of as a list.
977 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
978 (mx_register_decls): Likewise.
979 (mudflap_register_call): Likewise.
980 (mudflap_finish_file): Likewise.
982 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
983 (ipa_callsite_compute_param): Likewise.
985 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
986 accessors and constructor.
988 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
989 accessors and constructor.
990 (convert_tramp_reference): Likewise.
991 (convert_call_expr): Likewise.
992 (finalize_nesting_tree_1): Likewise.
994 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
995 accessors.
997 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
999 * tree-inline.c (initialize_inlined_parameters): Pass entire
1000 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
1001 accessors.
1002 (estimate_num_insns_1): Use new CALL_EXPR accessors.
1003 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1005 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
1006 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1007 (vectorizable_reduction): Likewise.
1008 (vectorizable_call): Use new CALL_EXPR iterators.
1009 (vectorizable_conversion): Use build_call_expr.
1010 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1011 (vect_gen_widened_results_half): Use build_call_expr.
1012 (vect_setup_realignment): Likewise.
1013 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1015 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1016 (pass_through_call): Likewise.
1017 (compute_object_sizes): Likewise. Use fold_call_expr instead of
1018 fold_builtin.
1020 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1021 (tree_gen_pow2_profiler): Likewise.
1022 (tree_gen_one_value_profiler): Likewise.
1023 (tree_gen_ic_func_profiler): Likewise.
1024 (tree_gen_average_profiler): Likewise.
1025 (tree_gen_ior_profiler): Likewise.
1027 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1028 (find_func_aliases): Use new CALL_EXPR accessors. Add case
1029 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1031 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1032 of TREE_CODE_LENGTH.
1034 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1035 of TREE_CODE_LENGTH.
1037 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1038 constructor.
1039 (convert_to_integer): Likewise.
1041 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1042 accessors.
1044 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
1045 Brooks Moses <brooks.moses@codesourcery.com>
1046 Lee Millward <lee.millward@codesourcery.com>
1048 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1049 accessors.
1050 * config/frv/frv.c (frv_expand_builtin): Likewise.
1051 * config/s390/s390.c (s390_expand_builtin): Likewise.
1053 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1054 (sparc_expand_builtin): Use new CALL_EXPR accessors.
1056 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1057 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1058 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
1059 (ix86_expand_store_builtin): Likewise.
1060 (ix86_expand_unop_builtin): Likewise.
1061 (ix86_expand_unop1_builtin): Likewise.
1062 (ix86_expand_sse_compare): Likewise.
1063 (ix86_expand_sse_comi): Likewise.
1064 (ix86_expand_vec_init_builtin): Likewise.
1065 (ix86_expand_vec_ext_builtin): Likewise.
1066 (ix86_expand_vec_set_builtin): Likewise.
1067 (ix86_expand_builtin): Use new CALL_EXPR accessors.
1069 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1070 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1072 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1073 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
1074 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1076 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1077 build_call_expr.
1078 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1079 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1080 arglist. Use new CALL_EXPR accessors. Fix callers.
1081 (altivec_expand_abs_builtin): Likewise.
1082 (rs6000_expand_binop_builtin): Likewise.
1083 (altivec_expand_predicate_builtin): Likewise.
1084 (altivec_expand_lv_builtin): Likewise.
1085 (spe_expand_stv_builtin): Likewise.
1086 (altivec_expand_stv_builtin): Likewise.
1087 (rs6000_expand_ternop_builtin): Likewise.
1088 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1089 (altivec_expand_st_builtin): Likewise.
1090 (altivec_expand_dst_builtin): Likewise.
1091 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1092 arglist. Use new CALL_EXPR accessors. Fix callers.
1093 (altivec_expand_vec_set_builtin): Likewise.
1094 (altivec_expand_vec_ext_builtin): Likewise.
1095 (altivec_expand_builtin): Use new CALL_EXPR accessors.
1096 (spe_expand_builtin): Likewise.
1097 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1098 arglist. Use new CALL_EXPR accessors. Fix callers.
1099 (spe_expand_evsel_builtin): Likewise.
1100 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
1101 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1103 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1104 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
1105 (arm_expand_unop_builtin): Likewise.
1106 (arm_expand_builtin): Use new CALL_EXPR accessors.
1108 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
1109 accessors.
1111 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1112 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
1113 (bfin_expand_unop_builtin): Likewise.
1114 (bfin_expand_builtin): Use new CALL_EXPR accessors.
1116 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
1117 Brooks Moses <brooks.moses@codesourcery.com>
1118 Lee Millward <lee.millward@codesourcery.com>
1120 * c-semantics.c (build_stmt): Add internal diagnostic check.
1122 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1123 accessors. Print arguments explicitly instead of as a list.
1125 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1127 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1128 (c_finish_omp_flish): Likewise.
1130 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
1131 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
1132 instead of TREE_CODE_LENGTH.
1133 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1134 (c_warn_unused_result): Likewise.
1136 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1138 PR c/26494
1139 * doc/invoke.texi (Warning Options): Remove
1140 -Werror-implicit-function-declaration.
1141 (Wimplicit-function-declaration): Update description.
1142 * opts.c (common_handle_option): Move handling of -Werror=* to...
1143 (enable_warning_as_error): ...here.
1144 * opts.h (enable_warning_as_error): Declare.
1145 * c-decl.c (implicit_decl_warning): Unless
1146 -Wno-implicit-function-declaration is given, emit a pedwarn if
1147 -std=c99 or emit a warning if -Wimplicit-function-declaration.
1148 * c.opt (Wimplicit-function-declaration): Replace
1149 mesg_implicit_function_declaration with
1150 warn_implicit_function_declaration.
1151 * c-opts.c (c_common_handle_option):
1152 -Werror-implicit-function-declaration is exactly equal as
1153 -Werror=implicit-function-declaration.
1154 (set_Wimplicit): Replace mesg_implicit_function_declaration with
1155 warn_implicit_function_declaration.
1156 (c_common_post_options): -Wimplict-function-declaration is enabled
1157 by default by -std=c99, otherwise is disabled by default.
1158 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1160 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
1162 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1163 DECL on the rhs to a DECL on the lhs for debug info purposes if the
1164 former is ignored but not the latter.
1166 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
1168 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1169 is made and the reference doesn't use the alias set of its type,
1170 do not create the temporary using that type.
1172 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
1174 * jump.c: Remove prototypes for delete_computation and
1175 delete_prior_computation.
1177 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
1179 * jump.c (get_label_after): Delete.
1180 (get_label_before, delete_computation, delete_jump,
1181 delete_prior_computation, follow_jumps): Move...
1182 * reorg.c (delete_computation, delete_prior_computation): ... here...
1183 (get_label_before, delete_jump): ... making these static ...
1184 (follow_jumps): ... and simplifying this since it only runs after
1185 reload.
1186 * rtl.h (get_label_after, get_label_before, delete_jump,
1187 follow_jumps): Delete prototypes.
1189 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
1191 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1193 2007-02-15 Nick Clifton <nickc@redhat.com>
1195 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1196 order to prevent it from being munged by the target.
1198 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
1200 * config/i386/i386.md: Remove misleading comment.
1202 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
1204 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1205 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1206 invalid patterns.
1208 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
1210 * tree-sra.c (instantiate_missing_elements): Canonicalize
1211 bit-field types.
1212 (sra_build_assignment): New.
1213 (generate_copy_inout, generate_element_copy,
1214 generate_element_zero, generate_one_element_init): Use it.
1216 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
1218 * tree-sra.c (instantiate_missing_elements): Canonicalize
1219 bit-field types.
1220 (sra_build_assignment): New.
1221 (generate_copy_inout, generate_element_copy,
1222 generate_element_zero, generate_one_element_init): Use it.
1224 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
1226 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1227 limbo die nodes.
1229 2007-02-14 Joseph Myers <joseph@codesourcery.com>
1231 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1232 types as aggregates not scalars.
1233 * function.c (assign_stack_temp_for_type): Likewise.
1235 2007-02-14 Roger Sayle <roger@eyesopen.com>
1236 Zdenek Dvorak <dvorakz@suse.cz>
1238 * tree-dump.c (dump_switch_p_1): Require exact match of the option
1239 name.
1241 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1243 * passes.c (next_pass_1): Clear the next field of the copied
1244 pass structure.
1246 2007-02-14 Richard Henderson <rth@redhat.com>
1248 * tree-sra.c (early_sra): New.
1249 (decl_can_be_decomposed_p): Deny va_list if early_sra.
1250 (tree_sra_early, pass_sra_early): New.
1251 * tree-pass.h (pass_sra_early): Declare.
1252 * passes.c (init_optimization_passes): Use it.
1254 2007-02-14 Richard Guenther <rguenther@suse.de>
1256 * flags.h (issue_strict_overflow_warning): Convert to a macro.
1258 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
1260 PR tree-optimization/30771
1261 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1262 also phi nodes.
1263 (vect_analyze_operations): Induction phis can now be marked as
1264 used_in_loop.
1265 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1266 Update documentation accordingly.
1268 2007-02-14 Nick Clifton <nickc@redhat.com>
1270 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1271 most 3 arguments are supported.
1272 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1274 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
1276 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1277 Ensure dst->current is valid.
1279 2007-02-13 Paul Brook <paul@codesourcery.com>
1281 * config.gcc: Add arm*-*-uclinux-*eabi.
1282 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1283 (SUBTARGET_EXTRA_LINK_SPEC): Define.
1284 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1285 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1286 (LINK_SPEC): Define.
1287 (LIB_SPEC): Define.
1288 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1289 register.
1290 * config/arm/uclinux-eabi.h: New file.
1291 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1292 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1293 based targets.
1295 2007-02-13 Ian Lance Taylor <iant@google.com>
1297 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1298 * flags.h (warn_strict_overflow): Declare.
1299 (enum warn_strict_overflow_code): Define.
1300 (issue_strict_overflow_warning): New static inline function.
1301 * opts.c (warn_strict_overflow): New variable.
1302 (common_handle_option): Handle OPT_Wstrict_overflow and
1303 OPT_Wstrict_overflow_.
1304 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1305 OPT_Wall.
1306 * fold-const.c: Include intl.h.
1307 (fold_deferring_overflow_warnings): New static variable.
1308 (fold_deferred_overflow_warning): New static variable.
1309 (fold_deferred_overflow_code): New static variable.
1310 (fold_defer_overflow_warnings): New function.
1311 (fold_undefer_overflow_warnings): New function.
1312 (fold_undefer_and_ignore_overflow_warnings): New function.
1313 (fold_deferring_overflow_warnings_p): New function.
1314 (fold_overflow_warning): New static function.
1315 (make_range): Add strict_overflow_p parameter. Change all
1316 callers.
1317 (extract_muldiv, extract_muldiv_1): Likewise.
1318 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1319 tree_expr_nonnegative_p.
1320 (fold_negate_expr): Call fold_overflow_warning.
1321 (fold_range_test): Likewise.
1322 (fold_comparison): Likewise.
1323 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
1324 instead of tree_expr_nonnegative_p.
1325 (tree_expr_nonnegative_warnv_p): Rename from
1326 tree_expr_nonnegative_p, add strict_overflow_p parameter.
1327 (tree_expr_nonnegative_p): New function.
1328 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1329 strict_overflow_p parameter.
1330 (tree_expr_nonzero_p): New function.
1331 * passes.c (verify_interpass_invariants): New static function.
1332 (execute_one_pass): Call it.
1333 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1334 warnings.
1335 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1336 (estimate_numbers_of_iterations): Likewise.
1337 (scev_probably_wraps_p): Likewise.
1338 * tree-ssa-ccp.c: Include "toplev.h".
1339 (evaluate_stmt): Defer fold overflow warnings until we know we are
1340 going to optimize.
1341 (struct fold_stmt_r_data): Add stmt field.
1342 (fold_stmt_r): Defer fold overflow warnings until we know we
1343 optimized.
1344 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1345 (fold_stmt_inplace): Likewise.
1346 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1347 (cleanup_control_expr_graph): Defer fold overflow warnings until
1348 we know we are going to optimize.
1349 * tree-cfg.c (fold_cond_expr_cond): Likewise.
1350 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1351 Likewise.
1352 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1353 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1354 * tree-ssa-loop-manip.c (create_iv): Likewise.
1355 * c-typeck.c (build_conditional_expr): Likewise.
1356 (build_binary_op): Likewise.
1357 * tree-vrp.c (vrp_expr_computes_nonzero): Call
1358 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1359 (extract_range_from_unary_expr): Likewise.
1360 * simplify-rtx.c (simplify_const_relational_operation): Warn when
1361 assuming that signed overflow does not occur.
1362 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1363 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1364 (fold_defer_overflow_warnings): Declare.
1365 (fold_undefer_overflow_warnings): Declare.
1366 (fold_undefer_and_ignore_overflow_warnings): Declare.
1367 (fold_deferring_overflow_warnings_p): Declare.
1368 (tree_expr_nonzero_warnv_p): Declare.
1369 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1370 of warning options.
1371 (Warning Options): Document -Wstrict-overflow.
1372 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1373 (tree-ssa-ccp.o): Likewise.
1374 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1375 (fold-const.o): Depend on intl.h.
1377 2007-02-13 Ian Lance Taylor <iant@google.com>
1379 PR middle-end/30751
1380 * lower-subreg.c (resolve_simple_move): Decompose subregs in
1381 addresses.
1383 2007-02-13 Stuart Hastings <stuart@apple.com>
1385 * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1387 2007-02-13 Richard Henderson <rth@redhat.com>
1389 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1390 handled_component_p before looking for the indirect_ref.
1392 2007-02-13 Richard Henderson <rth@redhat.com>
1394 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1395 remove flags clobber.
1396 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1397 (bswaphi_lowpart): New.
1398 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1399 remove TARGET_BSWAP test. Delete expander of the same name.
1401 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1402 (expand_unop): Use them.
1404 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
1406 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1407 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1408 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1409 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1410 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1411 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1412 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1413 assembler dialect choice from asm templates.
1415 2007-02-12 Richard Henderson <rth@redhat.com>
1417 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1418 (fixuns_trunc<SSEMODEF>si2): Use it.
1419 * config/i386/sse.md (vec_setv4sf_0): Export.
1420 * config/i386/i386.c (ix86_build_const_vector): Export.
1421 (ix86_split_convert_uns_si_sse): Rename from
1422 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1423 * config/i386/i386-protos.h: Update.
1425 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1427 PR c/29521
1428 * c-typeck.c (c_finish_return): Improve warning message.
1430 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1432 * alias.c (find_symbolic_term): Delete unused function.
1434 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
1436 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1437 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1438 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1440 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
1442 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1443 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1444 the function, temporarily point the debug interface to the null one.
1446 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
1448 * dwarf2out.c (round_up_to_align): New static function.
1449 (field_byte_offset): Use it to round the offset.
1451 2007-02-12 Richard Henderson <rth@redhat.com>
1453 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1454 (inswl_const): Export.
1456 2007-02-12 Richard Henderson <rth@redhat.com>
1458 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1459 result mode of the libcall, convert back to outmode.
1461 2007-02-12 Roger Sayle <roger@eyesopen.com>
1463 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1464 (bswapdi2): New define_expand to implement 32-bit implementation.
1466 2007-02-12 Nick Clifton <nickc@redhat.com>
1468 * doc/invoke.texi (Overall Options): Document --help=.
1469 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1470 (cc1_options): Pass --help= on to cc1.
1471 (display_help): Add description of --help=.
1472 (process_command): Add code to handle --help=. Allow translated
1473 --help and --target-help switches to be passed on to compiler
1474 sub-process.
1475 (main): Remove unused if statement.
1476 * opts.c (columns): Remove.
1477 (LEFT_COLUMN): Define.
1478 (wrap_help): Add columns argument.
1479 (print_filtered_help): Change parameters to be an include bitmask,
1480 an exclude bitmask, an any bitmask and the column width. Move the
1481 code to display the params list here. Add code to display the
1482 status of options rather than their descriptions if the quiet flag
1483 is not active.
1484 (print_specific_help): Change parameters to be an include bitmask,
1485 an exclude bitmask and an any bitmask. Move code to look up the
1486 column width here. Decide upon the title for an options listing.
1487 (common_handle_options): Add code to handle --help=. Adapt code
1488 for --help and --target-help to use the revised form of the
1489 print_specific_help function.
1490 (print_help): Delete.
1491 (print_param_help): Delete.
1492 (print_switch): Delete.
1493 * opts.h (cl_lang_count): Add prototype.
1494 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1495 CL_MAX_OPTION_CLASS): New defines.
1496 * optc-gen.awk: Add construction of cl_lang_count.
1497 * c.opt: Add Warning attribute to warning options and Optimization
1498 attribute to optimization options.
1499 * common.opt: Likewise.
1500 Add --help=.
1501 Add -fhelp and -ftarget-help as aliases for the transformed --help
1502 and --target-help options.
1503 * opt-functions.awk: Add code to handle Warning and Optimization
1504 attributes.
1506 2007-02-12 Richard Henderson <rth@redhat.com>
1508 * config/alpha/constraints.md: New file.
1509 * config/alpha/alpha.c: Include tm-constrs.h.
1510 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1511 alpha_extra_constraint): Remove.
1512 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1513 * config/alpha/alpha-protos.h: Update.
1514 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1515 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1516 (EXTRA_CONSTRAINT): Remove.
1517 * config/alpha/alpha.md: Include constraints.md.
1518 (adddi splitter): Use satisfies_constraint_*.
1519 * config/alpha/predicates.md (add_operand): Likewise.
1520 (sext_add_operand, addition_operation): Likewise.
1522 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
1524 PR tree-optimization/29145
1525 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1526 in our handling of restrict qualified pointers.
1528 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1530 PR middle-end/7651
1531 * doc/invoke.texi (Wunused-value): Update description.
1532 (Wextra): Delete item.
1533 * opts.c (set_Wextra): Don't use the value of Wextra to set the
1534 value of Wunused-value.
1535 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1536 (c_finish_stmt_expr): Don't check extra_warnings.
1537 (emit_side_effect_warnings): The caller is responsible to check
1538 warn_unused_value.
1540 2007-02-11 Roger Sayle <roger@eyesopen.com>
1541 Matt Thomas <matt@3am-software.com>
1543 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1545 2007-02-11 Roger Sayle <roger@eyesopen.com>
1547 * simplify-rtx.c (simplify_relational_operation_1): Optimize
1548 comparisons of POPCOUNT against zero.
1549 (simplify_const_relational_operation): Likewise.
1551 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1553 * doc/invoke.texi (Wextra): Delete outdated paragraph.
1555 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1557 * dwarf2out.c (root_type): Delete unused function.
1559 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1561 * genattrtab.c (contained_in_p): Delete unused function.
1562 (write_expr_attr_cache): Likewise.
1564 2007-02-11 Jan Hubicka <jh@suse.cz>
1566 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1567 previous patch.
1569 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
1571 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1572 to add the REG_EQ* note.
1573 * see.c (see_merge_one_use_extension): Likewise.
1574 * local-alloc.c (update_equiv_regs): Likewise. Also don't
1575 turn REG_EQUAL notes into REG_EQUIV notes if the target
1576 register may have more than one set.
1577 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1578 * gcse.c (try_replace_reg): Likewise.
1579 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1580 * calls.c (fixup_tail_calls): Likewise. Abort if there is
1581 more than one REG_EQUIV note.
1582 * reload1.c (gen_reload): Use set_unique_reg_note.
1584 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
1586 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1587 (ix86_builtin_conversion): New function.
1589 2007-02-06 Mark Mitchell <mark@codesourcery.com>
1591 PR target/29487
1592 * tree.h (DECL_REPLACEABLE_P): New macro.
1593 * except.c (set_nothrow_function_flags): Likewise.
1595 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
1596 Ira Rosen <irar@il.ibm.com>
1597 Dorit Nuzman <dorit@il.ibm.com>
1599 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1600 * targhooks.c (default_builtin_vectorized_conversion): New.
1601 * targhooks.h (default_builtin_vectorized_function): New declaration.
1602 * target.h (struct vectorize): Add builtin_conversion field.
1603 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1604 stmt_vec_info_type value.
1605 (vectorizable_conversion): New declaration.
1606 * tree-vect-analyze.c (vect_analyze_operations): Add
1607 vectorizable_conversion call.
1608 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
1609 * tree-vect-transform.c (vectorizable_conversion): New function.
1610 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
1611 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1612 mode.
1613 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
1614 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
1615 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
1616 or ALTIVEC_BUILTIN_VCFSX.
1618 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1620 PR target/30634
1621 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
1622 CONST_DOUBLE and operand 0 is a hard register.
1623 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
1624 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
1625 is a hard floating-point register.
1627 2007-02-10 Richard Henderson <rth@redhat.com>
1628 Jakub Jelinek <jakub@redhat.com>
1629 Alexandre Oliva <aoliva@redhat.com>
1631 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
1632 * builtin-types.def (BT_WORD): Make unsigned.
1633 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1634 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1635 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1636 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1637 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1638 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1639 emulated tls.
1640 * expr.c (emutls_var_address): New.
1641 (expand_expr_real_1): Expand emulated tls.
1642 (expand_expr_addr_expr_1): Likewise.
1643 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1644 * output.h (emutls_finish): Declare.
1645 * toplev.c (compile_file): Call it.
1646 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1647 address before wrapping in CONST.
1648 * varasm.c (emutls_htab, emutls_object_type): New.
1649 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1650 (get_emutls_object_name, get_emutls_object_type): New.
1651 (get_emutls_init_templ_addr, emutls_decl): New.
1652 (emutls_common_1, emutls_finish): New.
1653 (assemble_variable): When emulating tls, swap decls; generate
1654 constructor for the emutls objects.
1655 (do_assemble_alias): When emulating tls, swap decl and target name.
1656 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1657 for emulated tls.
1658 * varpool.c (decide_is_variable_needed): Look at force_output.
1659 Recurse for emulated tls.
1660 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
1661 with decide_is_variable_needed.
1662 * emutls.c: New file.
1663 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1664 tls_object for real tls.
1666 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
1668 PR rtl-optimization/29599
1669 * reload1.c (eliminate_regs_in_insn): Take the destination
1670 mode into account when computing the offset.
1672 2007-02-09 Stuart Hastings <stuart@apple.com>
1673 Richard Henderson <rth@redhat.com>
1675 * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1676 * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1677 * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
1678 fixuns_truncdfhi2): New.
1679 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
1680 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
1681 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
1682 (floatunssidf2): Allow nonimmediate source.
1683 * gcc/config/i386/sse.md (movdi_to_sse): New.
1684 (vec_concatv2di): Drop '*'.
1685 * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
1686 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1687 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
1688 New.
1689 * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
1690 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1691 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
1692 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
1693 (ix86_build_signbit_mask): Fix decl of v, refactor to call
1694 ix86_build_const_vector.
1695 (x86_emit_floatuns): Rewrite.
1697 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1699 * genautomata.c (longest_path_length): Delete unused function.
1700 (struct state): Delete unused longest_path_length.
1701 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
1702 (get_free_state): Delete unused.
1704 2007-02-09 Jan Hubicka <jh@suse.cz>
1706 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
1707 * doc/invoke.texi (inline-unit-growth): Update default value.
1709 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
1710 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
1711 (rebuild_cgraph_edges): Likewise.
1712 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
1713 (dump_cgraph_node): Dump frequencies.
1714 (cgraph_clone_edge): Add frequency scales.
1715 (cgraph_clone_node): Add freuqnecy.
1716 * cgraph.h (cgraph_edge): Add freuqnecy argument.
1717 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
1718 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
1719 * tree-pass.h (TODO_rebuild_frequencies): New constant.
1720 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
1721 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
1722 (save_inline_function_body): Likewise.
1723 * ipa-inline.c: inluce rtl.h
1724 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
1725 (cgraph_edge_badness): Use frequencies.
1726 (cgraph_decide_recursive_inlining): Update clonning.
1727 (cgraph_decide_inlining_of_small_function): Dump frequency.
1728 * predict.c (estimate_bb_frequencies): Export.
1729 * predict.h (estimate_bb_frequencies): Declare.
1730 * tree-inline.c (copy_bb): Watch overflows.
1731 (expand_call_inline): Update call of cgraph_create_edge.
1732 (optimize_inline_calls): Use TODO flags to update frequnecies.
1733 * passes.h: Include predict.h
1734 (init_optimization_passes): Move profile ahead.
1735 (execute_function_todo): Handle TODO_rebuild_frequencies.
1737 2007-02-09 Roger Sayle <roger@eyesopen.com>
1739 * config/alpha/alpha.c (emit_insxl): Force the first operand of
1740 the insbl or inswl pattern into a register.
1742 2007-02-09 Roger Sayle <roger@eyesopen.com>
1744 * config/ia64/ia64.md (bswapdi2): New define_insn.
1746 2007-02-09 Richard Henderson <rth@redhat.com>
1748 * config/i386/constraints.md (Ym): New constraint.
1749 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
1750 (movdi_1_rex64): Split sse and xmm general register moves from
1751 memory move alternatives. Use conditional register constraints.
1752 (movsf_1, movdf_integer): Likewise.
1753 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
1754 (movdf_integer_rex64): New.
1755 (pushsf_rex64): Fix output constraints.
1756 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
1757 (sse2_stored): Likewise.
1758 (sse2_storeq_rex64): New.
1759 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
1760 amd and not generic.
1761 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
1762 for optimize_size. Remove SF/DFmode hack.
1764 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
1766 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
1767 (bit_SSE4a): New.
1769 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
1770 Richard Sandiford <richard@codesourcery.com>
1772 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
1773 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
1774 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
1775 m68k/t-mlib to tmake_file.
1776 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
1777 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
1778 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
1779 Allow it to be cf or m68k. Set m68k_arch_family. If that
1780 variable is not empty, add t-$m68k_arch_family to tmake_file.
1781 Add t-mlibs to tmake_file.
1782 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
1783 * config/m68k/t-cf: New file.
1784 * config/m68k/t-m68k: Likewise.
1785 * config/m68k/t-mlibs: Likewise.
1786 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1787 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1788 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1789 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1790 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
1791 Delete.
1792 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
1793 (INSTALL_LIBGCC): Delete.
1794 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1795 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1796 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1797 (M68K_MLIB_CPU): Define.
1798 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1799 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1800 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
1802 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1803 Richard Guenther <rguenther@suse.de>
1805 PR middle-end/23361
1806 * fold-const.c (fold_comparison): Handle obfuscated comparisons
1807 against INT_MIN/INT_MAX.
1808 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
1809 file if a loop is removed.
1811 2007-02-09 Joseph Myers <joseph@codesourcery.com>
1813 * calls.c (store_one_arg): Pass correct alignment to
1814 emit_push_insn for non-BLKmode values.
1815 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
1816 unaligned stack slot via a suitably aligned slot.
1818 2007-02-08 DJ Delorie <dj@redhat.com>
1820 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
1821 warnings.
1822 (legal_subregs): Use unsigned char, make const.
1823 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
1825 2007-02-08 Paul Brook <paul@codesourcery.com>
1827 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
1828 special interworking needed.
1830 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
1832 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
1833 conditional to __SSE2__.
1834 (Entries below should have been added to first ChangeLog
1835 entry for amdfam10 dated 2007-02-05)
1836 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
1837 defined.
1838 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
1839 defined.
1840 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
1841 defined.
1843 2007-02-08 DJ Delorie <dj@redhat.com>
1845 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
1846 * config/m32c/m32c.c (legal_subregs): New.
1847 (m32c_illegal_subreg_p): New.
1848 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
1849 unsupported subregs of hard regs.
1851 2007-02-08 Jan Hubicka <jh@suse.cz>
1853 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
1854 the same one; always update histograms.
1856 2007-02-08 Diego Novillo <dnovillo@redhat.com>
1858 * passes.c (init_optimization_passes): Tidy comment.
1860 2007-02-08 Roger Sayle <roger@eyesopen.com>
1862 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
1863 strip zero_extend, bswap and rotates from POCOUNT's argument.
1864 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
1865 zero_extend and rotates from PARITY's argument.
1866 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
1867 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
1868 of an integer constant at compile-time.
1870 2007-02-08 Diego Novillo <dnovillo@redhat.com>
1872 PR 30562
1873 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
1874 Update all users.
1875 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
1876 users.
1877 (init_alias_info):
1878 * tree-ssa-live.c (remove_unused_locals): Do not remove
1879 TREE_ADDRESSABLE variables.
1880 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
1881 * tree-ssa-operands.c (add_virtual_operand): Remove argument
1882 FOR_CLOBBER. Update all users.
1883 If VAR has an associated alias set, add a virtual operand for
1884 it if no alias is found to conflict with the memory reference.
1886 2007-02-07 Jan Hubicka <jh@suse.cz>
1887 Robert Kidd <rkidd@crhc.uiuc.edu>
1889 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
1891 2007-02-07 Ian Lance Taylor <iant@google.com>
1893 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
1895 2007-02-07 Roger Sayle <roger@eyesopen.com>
1897 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
1898 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
1899 tablejumpdi, movsi_to_cr_one): Remove constraints from
1900 define_expand's match_operands.
1902 2007-02-07 Roger Sayle <roger@eyesopen.com>
1904 * global.c (compute_regsets): Move declatation of "i" inside of
1905 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
1907 2007-02-07 Jakub Jelinek <jakub@redhat.com>
1909 PR c++/30703
1910 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
1911 of INDIRECT_REF <RESULT_DECL>.
1913 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
1915 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
1916 Kaz Kojima <kkojima@gcc.gnu.org>
1918 PR target/29746
1919 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
1920 properly.
1921 (sh_initialize_trampoline): Add parentheses to avoid a warning.
1923 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
1925 * doc/loop.texi: Document possibility not to perform disambiguation
1926 of loops with multiple latches.
1927 * cfgloopmanip.c (alp_enum_p): Removed.
1928 (add_loop): Handle subloops. Use get_loop_body_with_size.
1929 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
1930 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
1931 the new forwarder block.
1932 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
1933 Handle the case latch is NULL.
1934 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
1935 when marking loop exits.
1936 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
1937 be modified.
1938 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
1939 disambiguate_loops_with_multiple_latches.
1940 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
1941 before fix_loop_structure.
1942 * cfgloop.c: Include pointer-set.h and output.h.
1943 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
1944 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
1945 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
1946 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
1947 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
1948 disambiguate_multiple_latches, get_loop_body_with_size,
1949 disambiguate_loops_with_multiple_latches): New functions.
1950 (flow_loop_dump): Dump multiple latch edges.
1951 (flow_loop_nodes_find): Handle loops with multiple latches.
1952 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
1953 (glb_enum_p): Modified.
1954 (get_loop_body): Use get_loop_body_with_size.
1955 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
1956 (AVOID_CFG_MODIFICATIONS): New constant.
1957 (disambiguate_loops_with_multiple_latches, add_loop,
1958 get_loop_body_with_size): Declare.
1959 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
1961 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
1963 PR inline-asm/28686
1964 * global.c (compute_regsets): New function.
1965 (global_alloc): Refactored ELIMINABLE_REGSET
1966 and NO_GLOBAL_ALLOC_REGS computation out.
1967 (rest_of_handle_global_alloc): Call compute_regsets()
1968 for non-optimizing case.
1970 2007-02-06 Richard Henderson <rth@redhat.com>
1972 * config/i386/constraints.md (Y2): Rename from Y.
1973 (Yi): New constraint.
1974 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
1975 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
1976 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
1977 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
1978 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
1979 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
1980 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
1981 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
1982 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
1983 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
1984 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
1985 vec_extractv2si_1): Change Y constraints to Y2.
1986 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
1987 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
1988 Change Y constraints to Y2.
1989 (sse2_loadld): Change Y constraints to x.
1991 2007-02-06 Roger Sayle <roger@eyesopen.com>
1993 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
1994 (parity<mode>2): New define_expand using rs6000_emit_parity.
1995 * config/rs6000/rs6000.c (rs6000_emit_popcount,
1996 rs6000_emit_parity): New functions.
1997 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
1998 rs6000_emit_parity): Prototype here.
2000 2007-02-06 Ian Lance Taylor <iant@google.com>
2002 * lower-subreg.c (simple_move_operand): Reject CONST.
2003 (resolve_clobber): Call validate_change rather than directly
2004 assigning to XEXP (pat, 0).
2006 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
2008 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2009 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2010 (tree-cfg.o): Remove hashtab.h dependency.
2012 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2013 (struct ivopts_data): Change niters to pointer_map_t.
2014 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2015 (niter_for_exit): Create pointer_map on demand. Change for
2016 pointer_map API.
2017 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2018 (free_loop_data): Destroy data->niters if created and reset field.
2019 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2020 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2022 * tree-ssa-reassoc.c: Include pointer-set.h.
2023 (bb_rank): Change to long *.
2024 (operand_rank): Change to pointer_map_t.
2025 (find_operand_rank): Return long, -1 if not found. Declare as inline.
2026 (insert_operand_rank): Accept long.
2027 (operand_entry_hash, operand_entry_eq): Remove.
2028 (get_rank): Return long. Adjust for changes above.
2029 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
2030 and operand_rank.
2031 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2033 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2034 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2035 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
2036 is not NULL.
2037 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
2038 directly since it cannot be NULL.
2039 (get_vi_for_tree): Rewrite for pointer_map API.
2040 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2041 (init_alias_vars): Create vi_for_tree as pointer_map.
2042 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2044 * tree-cfg.c: Don't include hashtab.h.
2045 (edge_to_cases): Declare as pointer_map.
2046 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2047 Delete.
2048 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2049 (start_recording_case_labels): Create edge_to_cases as pointer_map.
2050 (end_recoding_case_labels): Cleanup edge_to_cases manually before
2051 destroying it.
2052 (record_switch_edge): Delete.
2053 (get_cases_for_edge): Adjust for pointer_map API, inline
2054 record_switch_edge (rewritten for new API), remove goto.
2056 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
2058 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2059 * tree-nested.c: Include pointer-set.h.
2060 (var_map_elt, var_map_eq, var_map_hash): Delete.
2061 (struct nesting_info): Remove GTY marker. Change the two htab_t's
2062 to pointer_map_t's.
2063 (nesting_info_bitmap_obstack): New.
2064 (lookup_field_for_decl): Adjust for pointer_map API.
2065 (lookup_tramp_for_decl): Adjust for pointer_map API.
2066 (get_nonlocal_debug_decl): Adjust for pointer_map API.
2067 (get_local_debug_decl): Adjust for pointer_map API.
2068 (convert_nl_goto_reference): Adjust for pointer_map API.
2069 (convert_nl_goto_receiver): Adjust for pointer_map API.
2070 (create_nesting_tree): Create outside GGC space. Create bitmap on
2071 the new obstack. Create field_map and var_map as pointer_maps.
2072 (free_nesting_tree): Adjust for changes to create_nesting_tree.
2073 (root): Delete.
2074 (lower_nested_functions): Move root here, no need to NULL it.
2075 Initialize and release the obstack.
2077 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
2079 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2080 Remove prototypes and make them non-static.
2081 (struct tree_int_map): Remove.
2082 * tree.h (struct tree_int_map): Move here, turning TO into an
2083 unsigned int.
2084 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2086 * tree.h (TREE_COMPLEXITY): Remove.
2087 (struct tree_exp): Remove complexity field.
2088 * tree.c (build1_stat): Don't set it.
2090 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
2091 Victor Kaplansky <victork@il.ibm.com>
2093 * tree-vectorizer.c (vect_is_simple_use): Support induction.
2094 (vect_is_simple_reduction): Support reduction with induction as
2095 one of the operands.
2096 (vect_is_simple_iv_evolution): Fix formatting.
2097 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2098 formatting. Don't mark induction phis for vectorization.
2099 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2100 * tree-vect-transform.c (get_initial_def_for_induction): New function.
2101 (vect_get_vec_def_for_operand): Support induction.
2102 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2103 induction case.
2104 (vectorizable_reduction): Support reduction with induction as one of
2105 the operands.
2106 (vectorizable_type_demotion): Use def-type of stmt argument rather
2107 than dummy def-type.
2109 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2110 flag_tree_scev_cprop.
2111 * common.opt (tree-scev-cprop): New flag.
2113 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2114 call to vect_get_new_vect_var.
2116 2007-02-06 Ira Rosen <irar@il.ibm.com>
2118 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2119 vectype is not NULL.
2120 (vect_pattern_recog_1): Likewise.
2122 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2124 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2125 (fold_negate_expr): Likewise.
2127 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
2129 PR debug/30189
2130 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2131 even if cv-qualification is the same.
2133 2007-02-05 Geoffrey Keating <geoffk@apple.com>
2135 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2136 __enable_execute_stack on completion.
2138 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2140 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2141 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2142 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2143 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2144 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2145 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2146 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2147 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2149 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2151 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2152 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2153 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2154 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2155 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2156 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2157 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2158 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2159 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2160 umuldi3_highpart_rex64, umulsi3_highpart_insn,
2161 umulsi3_highpart_zext, smuldi3_highpart_rex64,
2162 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2163 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2164 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2165 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2166 sqrtextenddfxf2_i387): Added amdfam10_decode.
2168 * config/i386/athlon.md (athlon_idirect_amdfam10,
2169 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2170 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2171 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2172 athlon_ivector_store_amdfam10): New define_insn_reservation.
2173 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2174 amdfam10.
2176 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2178 * config/i386/athlon.md (athlon_call_amdfam10,
2179 athlon_pop_amdfam10, athlon_lea_amdfam10): New
2180 define_insn_reservation.
2181 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2182 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2183 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2185 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2187 * config/i386/athlon.md (athlon_sseld_amdfam10,
2188 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2189 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2191 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2193 * config/i386/athlon.md (athlon_sseins_amdfam10): New
2194 define_insn_reservation.
2195 * config/i386/i386.md (sseins): Added sseins to define_attr type
2196 and define_attr unit.
2197 * config/i386/sse.md: Set type attribute to sseins for insertq
2198 and insertqi.
2200 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2202 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2203 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2204 ssecomi_load_amdfam10, ssecomi_amdfam10,
2205 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2206 define_insn_reservation.
2207 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2209 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2211 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2212 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2213 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2214 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2215 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2216 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2217 define_insn_reservation.
2219 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2220 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2221 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2222 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2223 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2225 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2227 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2228 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2229 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2230 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2231 athlon_ssemul_load_k8): Added amdfam10.
2233 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2235 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2236 (x86_sse_unaligned_move_optimal): New variable.
2238 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2239 m_AMDFAM10.
2240 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2241 for unaligned vector SSE double/single precision loads for AMDFAM10.
2243 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2245 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2246 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2247 Define TARGET_CPU_DEFAULT_amdfam10.
2248 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2249 (processor_type): Add PROCESSOR_AMDFAM10.
2251 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2252 processor_type in config/i386/i386.h.
2253 Enable imul peepholes for TARGET_AMDFAM10.
2255 * config.gcc: Add support for --with-cpu option for amdfam10.
2257 * config/i386/i386.c (amdfam10_cost): New variable.
2258 (m_AMDFAM10): New macro.
2259 (m_ATHLON_K8_AMDFAM10): New macro.
2260 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2261 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2262 x86_promote_QImode, x86_integer_DFmode_moves,
2263 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2264 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2265 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2266 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2267 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2268 Enable/disable for amdfam10.
2269 (override_options): Add amdfam10_cost to processor_target_table.
2270 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2271 processor_alias_table.
2272 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2273 (ix86_adjust_cost): Add code for amdfam10.
2275 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2277 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2278 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2279 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2280 * config/i386/i386.h: Add builtin definition for SSE4A.
2281 * config/i386/i386.md: Add support for ABM instructions
2282 (popcnt and lzcnt).
2283 * config/i386/sse.md: Add support for SSE4A instructions
2284 (movntss, movntsd, extrq, insertq).
2285 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2286 Add -march=amdfam10 flag.
2287 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2288 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2289 and amdfam10.
2290 * doc/extend.texi: Add documentation for SSE4A builtins.
2292 2007-02-05 Bob Wilson <bob.wilson@acm.org>
2294 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2296 2007-02-05 Richard Guenther <rguenther@suse.de>
2298 * tree-vectorizer.h (vectorizable_function): Add argument type
2299 argument, change return type.
2300 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2301 * tree-vect-transform.c (vectorizable_function): Handle extra
2302 argument, return vectorized function decl.
2303 (build_vectorized_function_call): Remove.
2304 (vectorizable_call): Handle calls with result and argument types
2305 differing. Handle loop vectorization factor correctly.
2306 * targhooks.c (default_builtin_vectorized_function): Adjust for
2307 extra argument.
2308 * targhooks.h (default_builtin_vectorized_function): Likewise.
2309 * target.h (builtin_vectorized_function): Add argument type
2310 argument.
2311 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2312 extra argument, allow vectorizing of lrintf.
2313 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2314 documentation of target hook.
2316 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
2318 PR target/30665
2319 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2320 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2321 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2323 2007-02-05 Roger Sayle <roger@eyesopen.com>
2325 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2326 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2327 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2328 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2329 before canonicalizing sincos to cexpi.
2330 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2332 2007-02-05 Roger Sayle <roger@eyesopen.com>
2334 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2335 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2336 (alpha_init_builtins): Use alpha_add_builtins to process tables.
2338 2007-02-05 Roger Sayle <roger@eyesopen.com>
2340 * mips-tfile.c (initialize_init_file): Correct endianness test.
2342 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
2344 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2345 the 'y' constraint.
2347 2007-02-05 Richard Sandiford <richard@codesourcery.com>
2349 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2350 saves in a PARALLEL before the register assignments.
2352 2007-02-05 Richard Sandiford <richard@codesourcery.com>
2354 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2355 DWARF_FRAME_RETURN_COLUMN to be a general register.
2356 * dwarf2out.c (init_return_column_size): New function, split from...
2357 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
2358 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2359 to be nongeneral registers.
2360 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2361 integer registers.
2362 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2363 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2365 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2367 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2369 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2371 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2372 (remove_path): Use can_remove_branch_p and remove_branch instead
2373 of loop_delete_branch_edge.
2374 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2375 (tree_transform_and_unroll_loop): Remove dead branches immediately.
2376 Update profile using scale_dominated_blocks_in_loop.
2377 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2378 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2379 (can_remove_branch_p, remove_branch): Declare.
2380 * tree-cfg.c (tree_can_remove_branch_p): New function.
2381 (tree_cfg_hooks): Add tree_can_remove_branch_p.
2382 * cfgrtl.c (rtl_can_remove_branch_p): New function.
2383 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2385 2007-02-05 Jan Hubicka <jh@suse.cz>
2387 PR middle-end/30696
2388 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2389 nodes in cgraph, don't remove offline copy of the function.
2391 2007-02-04 Jan Hubicka <jh@suse.cz>
2393 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2394 vectors might cause maybe_lookup_element_for_expr to be called
2395 on non-sra-candidate.
2397 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
2399 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2400 config/bfin/bfin.md, config/bfin/predicates.md: Follow
2401 spelling conventions.
2403 2007-02-04 Richard Guenther <rguenther@suse.de>
2405 PR middle-end/30636
2406 * fold-const.c (try_move_mult_to_index): Make sure to not
2407 overflow one dimension of a multi-dimensional array access.
2409 2007-02-04 Jan Hubicka <jh@suse.cz>
2411 * passes.c (init_optimization_passes): Reindent.
2413 2007-02-04 Jan Hubicka <jh@suse.cz>
2414 Eric Botcazou <ebotcazou@adacore.com>
2416 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2417 (execute_fixup_cfg): Break out the abnormal goto code.
2418 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2419 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2420 (optimize_inline_calls): Call make_nonlocal_label_edges.
2422 2007-02-04 Jan Hubicka <jh@suse.cz>
2424 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2425 true when something was changed.
2426 (rename_ssa_copies): When something was changed, do
2427 TODO_remove_unused_locals.
2428 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2429 add TODO_remove_unused_locals when instruction was removed.
2431 2007-02-04 Jan Hubicka <jh@suse.cz>
2433 * ipa-inline.c (try_inline): Improve debug output; work on already
2434 inline edges too.
2435 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2436 call try_inline for already inlined edges too when flattening;
2437 inline also functions that make callee growth but overall unit size
2438 reduce.
2440 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
2442 * config/m32c/bitops.md, config/m32c/jump.md,
2443 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2444 config/m32r/m32r.h, config/m32r/m32r.md,
2445 config/m32r/predicates.md, config/m68hc11/larith.asm,
2446 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2447 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2448 config/mips/mips-protos.h, config/mips/mips.c,
2449 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2450 config/mn10300/mn10300.h, config/mn10300/predicates.md,
2451 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2452 spelling conventions.
2454 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2455 Follow spelling conventions.
2457 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
2459 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2460 warn about C++0x compatibility.
2462 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
2464 * config/h8300/h8300.c, config/h8300/h8300.h,
2465 config/h8300/h8300.md: Follow spelling conventions.
2467 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
2469 PR middle-end/30667
2470 * combine.c (try_combine): Do not substitute source operand
2471 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2473 2007-02-03 Jan Hubicka <jh@suse.cz>
2475 PR gcov-profile/30650
2476 * value-prof.c (stringop_block_profile): Fix handling of size counter;
2477 do not divide by zero for never executed counters.
2478 (tree_find_values_to_profile): Fix counters.
2479 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2481 2007-02-03 Ian Lance Taylor <iant@google.com>
2483 * lower-subreg.c (simple_move_operand): New static function,
2484 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
2485 operands.
2486 (simple_move): Call simple_move_operand.
2487 (find_decomposable_subregs): Add special handling of MEMs.
2488 (can_decompose_p): Rename from cannot_decompose_p. Reverse
2489 meaning of return value. If we see a hard register, test whether
2490 it can store a word_mode value. Change all callers.
2492 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2494 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2495 ftrapv insns and expanders.
2496 (subdi3): Change define_expand operand 1 to arith11_operand, and
2497 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
2498 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
2499 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2500 respectively.
2502 PR middle-end/30174
2503 * varasm.c (notice_global_symbol): Treat global objects as weak when
2504 flag_shlib is true.
2506 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2508 * emit-rtl.c (dconstpi): Delete.
2509 (dconstsqrt2): New.
2510 (init_emit_once): Delete dconstpi and init dconstsqrt2.
2511 * real.h (dconstpi): Delete.
2512 (dconstsqrt2): New.
2513 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2514 (fold_builtin_hypot): Likewise.
2516 2007-02-03 Tom Tromey <tromey@redhat.com>
2518 PR driver/30246
2519 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2520 -gcoff3, -gxcoff3, -gvms3 implies -dD.
2522 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
2524 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2525 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2526 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2527 config/rs6000/cell.md, config/rs6000/darwin.h,
2528 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2529 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2530 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2531 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2532 typos. Follow spelling conventions.
2533 * doc/invoke.texi: Follow spelling conventions.
2535 2007-02-03 Roger Sayle <roger@eyesopen.com>
2537 * simplify-rtx.c (simplify_relational_operation_1): Implement some
2538 canonicalization transformations that attempt to simplify integer
2539 constant comparisons to become comparisons against zero.
2541 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2543 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2544 fabs(x)*sqrt(2).
2545 * fold-const.c (fold_binary): Fix comment typos. Fold complex
2546 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
2548 2007-02-02 Mike Stump <mrs@apple.com>
2550 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2551 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2552 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2553 generate a branch island.
2555 2007-02-02 Bob Wilson <bob.wilson@acm.org>
2557 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2558 (xtensa_legitimate_address_p): New.
2559 (xtensa_legitimize_address): New.
2560 (xtensa_output_addr_const_extra): New.
2561 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2562 (BASE_REG_P): New.
2563 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2564 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2565 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2566 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2567 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2568 (xtensa_legitimize_address): New.
2569 (xtensa_output_addr_const_extra): New.
2571 2007-02-02 Steve Ellcey <sje@cup.hp.com>
2573 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2575 2007-02-02 Ian Lance Taylor <iant@google.com>
2577 * expmed.c (expand_divmod): Add comment.
2579 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
2581 * emit-rtl.c (renumber_insns): Remove.
2582 * flags.h: Remove the extern for flag_renumber_insns.
2583 * rtl.h: Remove the prototype for renumber_insns.
2584 * toplev.c (flag_renumber_insns): Remove.
2586 2007-02-02 Hui-May Chang <hm.chang@apple.com>
2588 Revert for x86 darwin:
2589 2005-06-19 Uros Bizjak <uros@kss-loka.si>
2591 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2592 code before the following patch under TARGET_MACHO.
2593 (ix86_function_value_regno_p): Likewise.
2595 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2597 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2598 COMPLEX_EXPR.
2600 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2602 PR target/29682
2603 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2604 general or fp registers. Add comments.
2605 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2607 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
2609 * pointer-set.c (insert_aux): Only return insertion slot.
2610 (pointer_set_insert): Adjust.
2611 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
2612 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
2613 pointer_map_traverse): New.
2614 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
2615 pointer_map_create, pointer_map_destroy, pointer_map_insert,
2616 pointer_map_contains, pointer_map_traverse): Declare.
2618 2007-02-02 Jakub Jelinek <jakub@redhat.com>
2620 PR middle-end/30473
2621 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2622 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
2624 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2626 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
2628 (struct _dep): New type.
2629 (dep_t): New typedef.
2630 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
2631 (DEP_STATUS): New access macro. The macro with the same name was
2632 renamed to DEP_LINK_STATUS.
2633 (dep_init): Declare function
2635 (struct _dep_link): New type.
2636 (dep_link_t): New typedef.
2637 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
2638 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
2639 (DEP_LINK_STATUS): New macro.
2640 (debug_dep_links): New debug function.
2642 (struct _deps_list): New type.
2643 (deps_list_t): New typedef.
2644 (DEPS_LIST_FIRST): New access macro.
2645 (FOR_EACH_DEP_LINK): New cycle macro.
2646 (create_deps_list, free_deps_list, delete_deps_list): Declare
2647 functions.
2648 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
2649 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
2650 (copy_deps_list_change_con): Ditto.
2652 (move_dep_link): Declare function.
2654 (struct _dep_node): New type.
2655 (dep_node_t): New typedef.
2656 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
2658 (struct haifa_insn_data.back_deps): New field to hold backward
2659 dependencies of the insn.
2660 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
2661 to deps_list_t.
2662 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
2663 Change its type to deps_list_t.
2664 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
2665 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
2666 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
2668 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
2670 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
2672 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
2673 all callers.
2674 (dep_cost): Declare.
2676 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
2677 (ds_to_dk, dk_to_ds): New functions.
2679 (init_dep_1): New static function.
2680 (init_dep): New function.
2681 (copy_dep): New static function.
2683 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
2684 functions.
2685 (detach_dep_link): New static function.
2686 (move_dep_link): New function.
2688 (dep_links_consistent_p, dump_dep_links): New static functions.
2689 (debug_dep_links): New debugging function.
2691 (deps_obstack, dl_obstack, dn_obstack): New static variables.
2693 (alloc_deps_list, init_deps_list): New static functions.
2694 (create_deps_list): New function.
2695 (clear_deps_list): New static function.
2696 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
2697 (deps_list_consistent_p, dump_deps_list): New static functions.
2698 (debug_deps_list): New function.
2699 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
2700 functions.
2701 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
2703 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
2704 use new scheduler dependencies lists.
2705 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
2706 (sched_analyze): Ditto. Initialize dependencies lists.
2707 (add_forw_dep, compute_forward_dependences): Update to use new
2708 scheduler dependencies lists.
2710 (init_dependency_caches): Init deps_obstack.
2711 (free_dependency_caches): Free deps_obstack.
2713 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
2714 new scheduler dependencies lists.
2715 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
2716 (add_back_forw_dep, delete_back_forw_dep): Ditto.
2718 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
2719 Update to use new scheduler dependencies lists.
2720 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
2721 (debug_dependencies): Ditto.
2722 (schedule_region): Update comments.
2724 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
2725 scheduler dependencies lists.
2726 (schedule_ebb): Update comments.
2728 * rtl.def (DEPS_LIST): Remove.
2730 * lists.c (unused_deps_list): Remove.
2731 (free_list): Update assertions.
2733 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
2734 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2736 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
2737 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2739 * haifa-sched.c (comments): Update.
2740 (insn_cost1): Remove. Inline the code into insn_cost ().
2741 (insn_cost): Update to use new scheduler dependencies lists. Move
2742 processing of the dependency cost to dep_cost ().
2743 (dep_cost): New function. Use it instead of insn_cost () when
2744 evaluating cost of the dependency. Use compatible interface to
2745 interact with the target.
2746 (priority): Update to use new scheduler dependencies lists.
2747 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
2748 with greater number of insns that depend on the insn.
2749 (schedule_insn): Update to use new scheduler dependencies lists. Add
2750 code to free backward dependencies lists. Inline and optimize code
2751 from resolve_dep () - see PR28071.
2752 (ok_for_early_queue_removal): Update to use new scheduler dependencies
2753 lists. Update call to targetm.sched.is_costly_dependence hook.
2755 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
2756 scheduler dependencies lists.
2758 (resolve_dep): Remove. Move the logic to schedule_insn ().
2759 (init_h_i_d): Initialize dependencies lists.
2761 (process_insn_depend_be_in_spec): Rename to
2762 process_insn_forw_deps_be_in_spec. Update to use new scheduler
2763 dependencies lists.
2764 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
2765 Update to use new scheduler dependencies lists.
2766 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
2768 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
2769 new scheduler dependencies lists.
2770 (build_intra_loop_deps): Ditto.
2772 * target.h (struct _dep): Declare to use in
2773 gcc_target.sched.is_costly_dependence.
2774 (struct gcc_target.sched.adjust_cost): Fix typo.
2775 (struct gcc_target.sched.is_costly_dependence): Change signature to use
2776 single dep_t parameter instead of an equivalent triad.
2777 (struct gcc_target.sched.adjust_cost_2): Remove.
2779 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
2781 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
2783 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
2784 documentation.
2785 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
2787 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
2788 (REG_DEP_TRUE): Document.
2790 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
2791 Change signature to correspond to the targetm.sched.adjust_cost hook.
2792 Update use in TARGET_SCHED_ADJUST_COST_2.
2793 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
2794 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
2795 new scheduler dependencies lists.
2796 (ia64_gen_check): Ditto.
2798 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
2799 dependencies lists.
2801 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
2802 signature to correspond to the targetm.sched.is_costly_dependence hook.
2803 (is_costly_group): Update to use new scheduler dependencies lists.
2805 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
2806 instead of INSN_COST () macro.
2808 2007-02-01 Ian Lance Taylor <iant@google.com>
2810 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
2812 2007-02-01 Guy Martin <gmsoft@gentoo.org>
2814 * pa.md (tp_load): Correct mfctl instruction syntax.
2816 2007-02-01 Geoffrey Keating <geoffk@apple.com>
2818 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
2819 altivec_padding_size calculation on AIX. Improve comment, add
2820 assert to verify that it's right.
2822 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
2823 64-bit.
2825 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
2827 PR inline-asm/28686
2828 * global.c (global_alloc): Add mising initialization of
2829 ELIMINABLE_REGSET.
2831 2007-02-01 Roger Sayle <roger@eyesopen.com>
2833 * alias.c (init_alias_analysis): Correct whitespace.
2834 * bb-reorder.c (fix_edges_for_rarely_executed_code,
2835 partition_hot_cold_basic_blocks): Likewise.
2836 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2837 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
2838 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2839 fold_builtin_snprintf_chk, fold_builtin_printf,
2840 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
2841 do_mpfr_arg3, do_mpfr_sincos): Likewise.
2842 * cfgcleanup.c (cleanup_cfg): Likewise.
2843 * cfgexpand.c (tree_expand_cfg): Likewise.
2844 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
2845 * function.c (get_next_funcdef_no): Likewise.
2846 * gengtype.c (main): Likewise.
2847 * genmodes.c (main): Likewise.
2848 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
2849 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
2850 * ifcvt.c (noce_emit_move_insn): Likewise.
2851 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
2852 Likewise.
2853 * stor-layout.c (get_best_mode): Likewise.
2854 * tree-ssa-loop-niter.c (get_val_for): Likewise.
2855 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
2856 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
2857 perform_var_substitution, solve_graph): Likewise.
2858 * tree-vrp.c (vrp_finalize): Likewise.
2860 2007-02-01 Ian Lance Taylor <iant@google.com>
2862 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
2863 high part of a paradoxical subreg, return a constant zero.
2865 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
2867 * toplev.c (lang_dependent_init): Call init_set_costs.
2868 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
2870 2007-02-01 Richard Guenther <rguenther@suse.de>
2872 PR middle-end/30656
2873 * fold-const.c (fold_negate_expr): Allow negating a
2874 constant if overflow does not change.
2876 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2878 * doc/c-tree.texi (Expression trees): Improve markup.
2879 * doc/tm.texi (Register Classes, Addressing Modes)
2880 (Floating Point): Fix spacing after abbreviations. Fix some
2881 typos.
2883 2007-02-01 Ben Elliston <bje@au.ibm.com>
2885 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
2886 * doc/contrib.texi: Likewise.
2887 * doc/install.texi: Likewise.
2889 2007-01-31 Richard Henderson <rth@redhat.com>
2890 Ian Lance Taylor <iant@google.com>
2892 * lower-subreg.c: New file.
2893 * rtl.def (CONCATN): Define.
2894 * passes.c (init_optimization_passes): Add pass_lower_subreg and
2895 pass_lower_subreg2.
2896 * emit-rtl.c (update_reg_offset): New static function, broken out
2897 of gen_rtx_REG_offset.
2898 (gen_rtx_REG_offset): Call update_reg_offset.
2899 (gen_reg_rtx_offset): New function.
2900 * regclass.c: Revert patch of 2006-03-05, restoring
2901 reg_scan_update.
2902 (clear_reg_info_regno): New function.
2903 * dwarf2out.c (concatn_loc_descriptor): New static function.
2904 (loc_descriptor): Handle CONCATN.
2905 * common.opt (fsplit_wide_types): New option.
2906 * opts.c (decode_options): Set flag_split_wide_types when
2907 optimizing.
2908 * timevar.def (TV_LOWER_SUBREG): Define.
2909 * rtl.h (gen_reg_rtx_offset): Declare.
2910 (reg_scan_update): Declare.
2911 * regs.h (clear_reg_info_regno): Declare.
2912 * tree-pass.h (pass_lower_subreg): Declare.
2913 (pass_lower_subreg2): Declare.
2914 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
2915 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
2916 -fsplit-wide-types.
2917 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
2918 * Makefile.in (OBJS-common): Add lower-subreg.o.
2919 (lower-subreg.o): New target.
2921 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
2923 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
2925 2007-01-31 Anatoly Sokolov <aesok@post.ru>
2927 PR target/19087
2928 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
2930 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2932 PR middle-end/29335
2933 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
2935 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
2937 * cfgloop.h: Include vec-prim.h.
2938 (enum li_flags): Remove LI_ONLY_OLD.
2939 (loop_iterator): Changed.
2940 (fel_next, fel_init): Iterate over loop tree.
2941 (FOR_EACH_LOOP_BREAK): New macro.
2942 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
2943 FOR_EACH_LOOP.
2944 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
2945 * modulo-sched.c (sms_schedule): Ditto.
2946 * tree-vectorizer.c (vectorize_loops): Ditto.
2947 * doc/loop.texi: Update information on loop numbering and behavior of
2948 FOR_EACH_LOOP wrto new loops.
2949 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2950 add_to_evolution_1): Test nestedness of loops instead of comparing
2951 their numbers.
2952 * tree-chrec.c (chrec_fold_plus_poly_poly,
2953 chrec_fold_multiply_poly_poly, chrec_evaluate,
2954 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
2955 reset_evolution_in_loop): Ditto.
2956 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
2958 2007-01-31 Dirk Mueller <dmueller@suse.de>
2960 * c-common.c (warn_about_parentheses): Separate warning about
2961 un-parenthized sequence of comparison operators from the one
2962 which is supposed to warn about x <= y <= z.
2964 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
2966 * optabs.h (enum optab_index): Add new OTI_isinf.
2967 (isinf_optab): Define corresponding macro.
2968 * optabs.c (init_optabs): Initialize isinf_optab.
2969 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
2970 patterns.
2971 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
2972 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
2973 using isinf_optab.
2974 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
2975 expand_builtin_interclass_mathfn.
2976 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
2977 * config/i386/i386.md (UNSPEC_FXAM): New constant.
2978 (fxam<mode>2_i387): New insn pattern.
2979 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
2980 built-in functions as x87 inline asm.
2982 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
2984 * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
2986 2007-01-30 Eric Christopher <echristo@apple.com>
2988 * config.gcc: Add geode.
2990 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
2992 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
2993 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
2994 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
2995 value-prof.c: Fix comment typos.
2997 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2999 PR c++/24745
3000 * doc/invoke.texi (Wpointer-arith): Document warning.
3002 2007-01-30 Janis Johnson <janis187@us.ibm.com>
3004 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3005 the list of discrepancies from the draft TR.
3007 2007-01-30 Dirk Mueller <dmueller@suse.de>
3009 PR c++/30601
3010 * doc/invoke.texi (-Wreturn-type): Update description to
3011 match new behavior.
3013 2007-01-30 Richard Sandiford <richard@codesourcery.com>
3015 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3017 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
3019 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3020 to handle optabs that operate on floating point input argument and
3021 output to integer output.
3022 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3023 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3024 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3025 expand_builtin_interclass_mathfn ().
3026 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3027 (ilogbsi2): Remove.
3028 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3029 ilogbl built-in functions as x87 intrinsics.
3031 2007-01-30 Richard Guenther <rguenther@suse.de>
3033 PR middle-end/27657
3034 * dwarf2out.c (reference_to_unused): Query varpool if the
3035 variable was output.
3037 2007-01-30 Richard Guenther <rguenther@suse.de>
3039 PR middle-end/30313
3040 * passes.c (execute_one_pass): Reset in_gimple_form to not
3041 confuse non-unit-at-a-time mode.
3043 2007-01-29 Roger Sayle <roger@eyesopen.com>
3044 Richard Guenther <rguenther@suse.de>
3046 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3047 avoid undefined behaviour on overflow. Use force_fit_type_double
3048 to construct the constant with the specified TREE_OVERFLOW.
3050 2007-01-29 Janis Johnson <janis187@us.ibm.com>
3052 * config/dfp-bit.c: Add parameterized support for fp exceptions.
3053 * config/dfp-bit.h: Ditto.
3055 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3057 * c-decl.c (pop_scope): Replace warnings with call to
3058 warn_for_unused_label.
3059 * c-common.h (warn_for_unused_label): Declare.
3060 * c-common.c (warn_for_unused_label): Define.
3062 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3064 * tree-optimize.c (update_inlined_to_pointers): Delete unused
3065 function.
3067 2007-01-29 Janis Johnson <janis187@us.ibm.com>
3069 * Makefile.in (USER_H): Remove decfloat.h.
3070 * ginclude/decfloat.h: Delete, moving contents to ...
3071 * ginclude/float.h: Add support for decimal floating point,
3072 guarded by __STDC_WANT_DEC_FP__.
3074 2007-01-29 Mike Stump <mrs@apple.com>
3076 * doc/gccint.texi (Top): Rename Loop Representation to Loop
3077 Analysis and Representation to resolve case insensitive conflict.
3078 * doc/loop.texi (Loop Analysis and Representation): Likewise.
3080 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
3082 * tree.h (struct tree_memory_tag): Add aliases member.
3083 (MTAG_ALIASES): New macro.
3084 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3085 (add_may_alias): Remove pointer-set. Update for may_aliases being
3086 a bitmap.
3087 (mark_aliases_call_clobbered): Update for may_aliases being a
3088 bitmap.
3089 (compute_tag_properties): Ditto.
3090 (create_partition_for): Ditto.
3091 (compute_memory_partitions): Ditto.
3092 (dump_may_aliases_for): Ditto.
3093 (is_aliased_with): Ditto.
3094 (add_may_alias_for_new_tag): Ditto.
3095 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3096 (compute_is_aliased): New function.
3097 (compute_may_aliases): Call compute_is_aliased).
3098 (init_alias_info): Initialize alias_bitmap_obstack.
3099 (union_alias_set_into): New function.
3100 (compute_flow_sensitive_aliasing): Use union_aliases_into.
3101 (have_common_aliases_p): Rewrite to take two bitmaps and use
3102 intersection.
3103 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3104 Update for bitmaps.
3105 (finalize_ref_all_pointers): Update for add_may_alias changes.
3106 (new_type_alias): Ditto.
3107 * tree-flow-inline.h (may_aliases): Return a bitmap.
3108 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3109 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3110 may_aliases being a bitmap.
3111 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3112 may_aliases now returns a bitmap.
3113 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3114 being a bitmap.
3115 * tree-ssa-operands.c (add_virtual_operand): Update for
3116 may_aliases being a bitmap.
3118 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
3120 PR tree-optimization/30630
3121 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3122 variable as changed.
3124 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
3126 PR c++/28266
3127 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3128 expanded only once even if an error occurs.
3130 2007-01-29 Ben Elliston <bje@au.ibm.com>
3132 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3133 (__gcov_average_profiler): Likewise.
3134 (__gcov_ior_profiler): Likewise.
3135 (__gcov_merge_ior): Likewise.
3137 2007-01-28 Jan Hubicka <jh@suse.cz>
3139 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3140 * value-prof.c (stringop_block_profile): Likewise.
3142 2007-01-28 Jan Hubicka <jh@suse.cz>
3144 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3145 variant handling histograms; add wrapper.
3146 (clear_storage_via_libcall): Export.
3147 (emit_block_move_hints): Break out from ...; add histograms.
3148 (emit_block_move): ... this one.
3149 (clear_storage_hints): Break out from ...; add histograms.
3150 (clear_storage): ... this one.
3151 (set_storage_via_memset): Handle histogram.
3152 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3153 (clear_storage_hints, clear_storage_via_libcall): Declare.
3154 (set_storage_via_setmem): Update prototype.
3155 * doc/md.texi (movmem, setmem): Document new arguments.
3157 * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3158 new histograms.
3159 (stringop_block_profile): New global function.
3160 (tree_stringops_values_to_profile): Profile block size and alignment.
3161 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3162 HIST_TYPE_IOR.
3163 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3164 (stringop_block_profile): Declare.
3165 * builtins.c: Include value-prof.h.
3166 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3167 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3168 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3169 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3170 * profile.c (instrument_values): Add new counters.
3171 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3172 calls.
3173 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3174 (tree_init_edge_profiler): Build new profilers.
3175 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3176 (pass_tree_profile): Add dump.
3177 (tree_profile_hooks): Update.
3178 * Makefile.in (LIBGCOV): Add new constants.
3179 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3180 __gcov_ior_profiler): New.
3181 * i386.md (movmem/setmem expanders): Add new optional arguments.
3183 2007-01-28 David Edelsohn <edelsohn@gnu.org>
3185 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3187 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
3189 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3190 (tree_unswitch_single_loop): Pass eni_size_weights to
3191 tree_num_loop_insns.
3192 * tree-ssa-loop-manip.c: Include tree-inline.h.
3193 (can_unroll_loop_p): Pass eni_size_weights to
3194 tree_num_loop_insns.
3195 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3196 Pass eni_size_weights to estimate_num_insns.
3197 * tree.h (init_inline_once): Export.
3198 * toplev.c (backend_init): Call init_inline_once.
3199 * cgraphunit.c (cgraph_process_new_functions,
3200 cgraph_analyze_function): Pass eni_inlining_weights to
3201 estimate_num_insns.
3202 * ipa-inline.c (compute_inline_parameters): Ditto.
3203 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3204 to estimate_num_insns.
3205 (try_unroll_loop_completely): Pass eni_size_weights to
3206 tree_num_loop_insns.
3207 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3208 ot estimate_num_insns.
3209 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3210 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3211 * tree-inline.c (eni_inlining_weights, eni_size_weights,
3212 eni_time_weights): New variables.
3213 (init_inline_once): Initialize them.
3214 (struct eni_data): Mew.
3215 (estimate_num_insns_1, estimate_num_insns): Use weights.
3216 * tree-inline.h (struct eni_weights_d): New.
3217 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3218 (estimate_num_insns): Declaration changed.
3219 * cfgloop.h (tree_num_loop_insns): Declaration changed.
3220 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3221 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3223 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
3225 * tree-data-ref.c (conflict_fn): Assert that the number of affine
3226 relations in the conflict function is valid.
3228 2007-01-27 Ian Lance Taylor <iant@google.com>
3230 * common.opt: Add fstrict-overflow.
3231 * opts.c (decode_options): Set flag_strict_overflow if -O2.
3232 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3233 (TYPE_OVERFLOW_UNDEFINED): Define.
3234 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
3235 Replace all uses.
3236 * tree.h (TYPE_TRAP_SIGNED): Don't define.
3237 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3238 (fold_negate_expr): Likewise.
3239 (make_range): Likewise.
3240 (extract_muldiv_1): Likewise.
3241 (maybe_canonicalize_comparison): Likewise.
3242 (fold_comparison): Likewise.
3243 (fold_binary): Likewise.
3244 (tree_expr_nonnegative_p): Likewise.
3245 (tree_expr_nonzero_p): Likewise.
3246 * tree-vrp.c (compare_values): Likewise.
3247 (extract_range_from_binary_expr): Likewise.
3248 (extract_range_from_unary_expr): Likewise.
3249 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3250 Likewise.
3251 (nowrap_type_p): Likewise.
3252 * tree-scalar-evolution.c (simple_iv): Likewise.
3253 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3254 (build_range_check): Likewise.
3255 (extract_muldiv_1): Likewise.
3256 (fold_comparison): Likewise.
3257 * tree-vrp.c (vrp_int_const_binop): Likewise.
3258 (extract_range_from_unary_expr): Likewise.
3259 * convert.c (convert_to_integer): Likewise.
3260 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3261 (fold_comparison): Likewise.
3262 (fold_binary): Likewise.
3263 * optabs.c (optab_for_tree_code): Likewise.
3264 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3265 * simplify-rtx.c (simplify_const_relational_operation): Check
3266 flag_strict_overflow and flag_trapv.
3267 (simplify_const_relational_operation): Likewise.
3268 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3269 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
3270 -fstrict-overflow.
3272 2007-01-27 Roger Sayle <roger@eyesopen.com>
3274 * tree.c (tree_fold_gcd): Delete.
3275 * tree.h (tree_fold_gcd): Remove prototype.
3276 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3277 test whether one constant integer is a multiple of another. Instead
3278 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3279 * fold-const.c (multiple_of_p): We've determined both TOP and
3280 BOTTOM are integer constants so we can call int_const_binop directly
3281 instead of the more generic const_binop.
3283 2007-01-27 Roger Sayle <roger@eyesopen.com>
3285 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3286 1*X check that the constant hasn't overflowed, to preserve the
3287 TREE_OVERFLOW bit.
3288 (round_up): Provide an efficient implementation when rouding-up an
3289 INTEGER_CST to a power-of-two.
3291 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3293 * doc/sourcebuild.texi: Add comma for clarity.
3294 * doc/extend.texi: Fix some typos.
3295 * doc/passes.texi: Likewise.
3296 * doc/cppinternals.texi: Likewise.
3297 * doc/c-tree.texi: Likewise.
3298 * doc/tree-ssa.texi: Likewise.
3299 * doc/install.texi: Likewise.
3301 2007-01-27 Jan Hubicka <jh@suse.cz>
3303 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3304 (pass_sra): Do not require alias information.
3305 * passes.c (init_optimization_passes): Add SRA
3307 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
3309 * tracer.c (rest_of_handle_tracer): We already cleaned
3310 up the CFG in tracer() so don't do it here again.
3311 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3312 cleanup_cfg here, either. And don't call renumber_insns.
3314 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3315 and BB_HEAD are in the insn stream here. Instead make sure
3316 that BB_INSN is valid on all insns. Also, do check here that
3317 there are no pending branch predictions...
3318 (rtl_verify_flow_info): ...instead of doing it here. Checks
3319 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3320 here.
3322 2007-01-26 Roger Sayle <roger@eyesopen.com>
3324 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3325 function to simplify/factorize operand order canonicalization.
3326 (ix86_fixup_binary_operands): Reorganize using the above function.
3327 (ix86_binary_operator_ok): Likewise.
3329 2007-01-27 Jakub Jelinek <jakub@redhat.com>
3331 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3332 file scope from optimize_attrs.
3333 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3334 up search.
3335 (optimize_attrs): Clear insn_code_values after freeing it.
3337 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
3339 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3340 a parts.base assignment.
3342 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
3344 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3345 (compute_subscript_distance, initialize_data_dependence_relation,
3346 finalize_ddr_dependent, analyze_ziv_subscript,
3347 analyze_siv_subscript_cst_affine,
3348 compute_overlap_steps_for_affine_univar,
3349 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3350 analyze_siv_subscript, analyze_miv_subscript,
3351 analyze_overlapping_iterations, subscript_dependence_tester_1,
3352 compute_self_dependence, free_dependence_relation): Work
3353 with affine_fn instead of chrecs.
3354 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3355 common_affine_function, affine_function_base,
3356 affine_function_constant_p, affine_fn_op, affine_fn_plus,
3357 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3358 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3359 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3360 (all_chrecs_equal_p): Removed.
3361 * tree-data-ref.h (affine_fn, conflict_function): New types.
3362 (struct subscript): Change type of conflicting_iterations_in_a
3363 and conflicting_iterations_in_b.
3365 2007-01-26 Steve Ellcey <sje@cup.hp.com>
3367 PR other/30182
3368 * config/pa/pa.h (TARGET_HPUX_11): New.
3369 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3370 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3372 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
3373 Richard Guenther <rguenther@suse.de>
3375 * tree-ssa-structalias.c (solve_graph): Handle case
3376 we merged the variable to another.
3378 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3380 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3381 functions.
3383 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3384 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3386 2007-01-25 DJ Delorie <dj@redhat.com>
3388 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3389 allow changes to modes which don't fit in those registers.
3391 * reload1.c (choose_reload_regs): Check for invalid subregs before
3392 computing their locations, not after.
3394 2007-01-25 Geoffrey Keating <geoffk@apple.com>
3396 PR 25127
3397 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3398 save Altivec registers in an eh_return function.
3399 (compute_vrsave_mask): Likewise.
3400 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3401 for saving Altivec registers.
3402 (rs6000_emit_prologue): Don't allocate stack twice in
3403 eh_return function. Correct expected value of altivec_save_offset
3404 when using save_world. Describe save of R0 to stack when using
3405 save_world. Describe stack pointer adjustment when using
3406 save_world. Remove duplicated eh_return parameter register saving.
3407 Update sp_offset variable after save_world.
3408 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3409 darwin-world.asm.
3410 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3411 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3412 implies Altivec.
3414 2007-01-25 Steve Ellcey <sje@cup.hp.com>
3416 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3418 2007-01-25 Steve Ellcey <sje@cup.hp.com>
3420 PR other/30182
3421 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3422 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
3424 2007-01-25 Richard Guenther <rguenther@suse.de>
3426 * doc/invoke.texi (-Wcoverage-mismatch): Document.
3427 * common.opt (-Wcoverage-mismatch): New warning option.
3428 * coverage.c (get_coverage_counts): Ignore coverage mismatch
3429 if -Wcoverage-mismatch is given.
3431 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
3433 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3434 (ipcp_driver): Change to static definition.
3435 Add dumping of the ifunctions.
3436 (constant_val_insert): Remove unused parameter. Support for SSA.
3437 (ipcp_propagate_const): Support for SSA.
3438 (ipcp_profile_bb_print): Print only analyzed nodes.
3439 (ipcp_replace_map_create): Remove support for Fortran constant
3440 for now.
3441 * ipa-prop.c (ipa_method_modify_stmt,
3442 ipa_callsite_compute_param): Support for SSA.
3443 * ipa-prop.h (ipcp_driver): Remove declaration.
3444 (IS_VALID_TREE_MAP_INDEX): Add define.
3446 2007-01-24 Geoffrey Keating <geoffk@apple.com>
3448 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3450 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3452 PR middle-end/30447
3453 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3454 constant argument to cabs and do it without checking for
3455 -funsafe-math-optimizations.
3457 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
3459 * c-common.h (RID_FIRST_CXX0X): New.
3460 (RID_LAST_CXX0X): New.
3461 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3462 by -Wall.
3463 * c.opt (Wc++0x-compat): New.
3464 * doc/invoke.texi (-Wc++0x-compat): Document.
3466 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3468 * builtins.c (fold_builtin_carg): New.
3469 (fold_builtin_1): Use it.
3471 2007-01-24 Jan Hubicka <jh@suse.cz>
3473 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3475 * ipa-inline.c (initial_insns, max_insns): Delete.
3476 (compute_max_insns): New function.
3477 (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3478 of insns as base for code growth.
3479 (cgraph_decide_inlining): Make initial_insns local; do not compute
3480 max_insns.
3481 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3482 * doc/invoke.texi (inline-unit-growth): Update docs.
3484 2007-01-24 Jakub Jelinek <jakub@redhat.com>
3486 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3487 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3488 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3489 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
3490 for CPUs that have PTA_CX16 set.
3492 PR middle-end/27416
3493 * gimplify.c (omp_check_private): New function.
3494 (gimplify_scan_omp_clauses): Use it for
3495 firstprivate/lastprivate/reduction.
3497 PR middle-end/30494
3498 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3499 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3501 PR middle-end/30421
3502 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3503 If lower_lastprivate_clauses emits some statements, append them
3504 to dlist rather than body_p and to body_p append an initializer.
3505 (lower_omp_for): Adjust caller.
3507 2007-01-24 Steve Ellcey <sje@cup.hp.com>
3509 * target.h (globalize_decl_name): New.
3510 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3511 * output.h (default_globalize_decl_name): New.
3512 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3513 globalize_label.
3514 (globalize_decl): Ditto.
3515 (default_globalize_decl_name): New.
3516 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3517 (ia64_handle_version_id_attribute): New.
3518 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3519 (ia64_asm_output_external): Use globalize_decl_name instead
3520 of globalize_label.
3521 * doc/extend.texi (version_id): New pragma.
3522 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3524 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
3526 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3527 _uleb128_t and _Unwind_SWord with _sleb128_t.
3528 * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3529 uw_frame_state_for, uw_update_context_1): Likewise.
3530 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3531 * unwind-pe.h (read_uleb128, read_sleb128,
3532 read_encoded_value_with_base): Likewise.
3533 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3535 2007-01-24 Richard Guenther <rguenther@suse.de>
3537 * builtins.c (expand_builtin_cexpi): Get the fndecl
3538 for cexp in the correct way.
3540 2007-01-24 Jan Hubicka <jh@suse.cz>
3542 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3544 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
3546 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3547 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3548 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3549 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3550 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3551 __SIZEOF_PTRDIFF_T__.
3552 * doc/cpp.texi: Documentation for the new builtin macros added.
3554 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
3556 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
3557 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
3558 instead of operands[2] to avoid access past the end of array.
3560 2007-01-24 Richard Sandiford <richard@codesourcery.com>
3562 * reload1.c (emit_reload_insns): Pass the reload register
3563 for a non-spill output reload through forget_old_reloads_1.
3565 2007-01-23 Joseph Myers <joseph@codesourcery.com>
3567 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3568 _SOFT_DOUBLE if doubles use software floating-point.
3569 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
3570 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3571 * config/rs6000/darwin-ldouble.c: Also compile functions for
3572 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
3573 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3574 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
3575 commented-out long double override.
3576 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
3577 * config/rs6000/eabispe.h: Likewise.
3578 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
3579 long double for non-SPE.
3580 (rs6000_handle_option): Likewise.
3581 (invalid_e500_subreg): Disallow more subregs involding DImode,
3582 DFmode, TImode or TFmode.
3583 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
3584 E500 double.
3585 (legitimate_lo_sum_address_p): Also check for TFmode for E500
3586 double.
3587 (rs6000_legitimize_address): Also handle TFmode for E500 double.
3588 (rs6000_legitimize_reload_address): Also handle TFmode for E500
3589 double.
3590 (rs6000_legitimate_address): Also check for TFmode for E500
3591 double.
3592 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
3593 (spe_build_register_parallel): Handle TFmode and TCmode.
3594 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
3595 double.
3596 (function_arg): Handle TFmode and TCmode for E500 double.
3597 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
3598 in general.
3599 (print_operand): Handle TFmode and TImode for %y.
3600 (rs6000_generate_compare): Handle TFmode comparisons for E500
3601 double.
3602 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
3603 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
3604 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
3605 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
3606 TFmode for E500 double.
3607 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
3608 (floatsidf2): Enable for E500 double.
3609 (movtf_softfloat): Use rs6000_nonimmediate_operand.
3610 (extenddftf2): Change to extenddftf2_fprs.
3611 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
3612 depending on TARGET_E500_DOUBLE.
3613 (extendsftf2): Enable for E500 double.
3614 (trunctfdf2): Enable for E500 double.
3615 (trunctfsf2): Change to trunctfsf2_fprs.
3616 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
3617 depending on TARGET_E500_DOUBLE.
3618 (floatsitf2): Enable for E500 double.
3619 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
3620 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
3621 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
3622 (negtf2): Change to negtf2_internal.
3623 (negtf2): New expander.
3624 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
3625 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
3626 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
3627 (movdi_internal32): Use rs6000_nonimmediate_operand.
3628 (unnamed splitter): Likewise.
3629 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
3630 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
3631 (SPE64TF, DITI): New mode macros.
3632 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
3633 modes.
3634 (frob_tf_ti): New.
3635 (frob_<mode>_di_2): New.
3636 (frob_tf_di_8_2): New.
3637 (frob_di_df): Change to frob_di_<mode>; allow more modes.
3638 (frob_ti_tf): New.
3639 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
3640 more modes.
3641 (frob_ti_<mode>_8_2): New.
3642 (frob_ti_tf_2): New.
3643 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
3644 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
3645 TFmode.
3646 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
3647 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
3648 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
3649 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
3650 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
3651 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
3652 tsttflt_gp): New.
3654 2007-01-23 Ian Lance Taylor <iant@google.com>
3656 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
3657 insn-*.o first.
3658 (OBJS-archive): Reformat, alphabetize.
3659 (OBJS): Change out_object_file to OBJS-md.
3661 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
3663 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
3664 JUMP_P and CALL_P predicates where applicable.
3665 * config/i386/i386.c: Ditto.
3666 * config/i386/i386.md: Ditto.
3667 * config/i386/mmx.md: Ditto.
3668 * config/i386/predicates.md: Ditto.
3670 2007-01-22 Andreas Schwab <schwab@suse.de>
3672 * config/m68k/m68k.h: Fix comment.
3674 2007-01-22 Jan Hubicka <jh@suse.cz>
3676 * passes.c (init_optimization_passes): Do not rerun
3677 pass_early_warn_uninitialized.
3679 2007-01-22 Richard Guenther <rguenther@suse.de>
3681 PR tree-optimization/30038
3682 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
3683 function.
3684 (execute_cse_sincos_1): Likewise.
3685 (execute_cse_sincos): Likewise.
3686 (gate_cse_sincos): Likewise.
3687 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
3688 the cexpi() canonicalization of sincos().
3689 * tree-pass.h (pass_cse_sincos): Declare.
3690 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
3692 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3694 PR rtl-optimization/29329
3695 * combine.c (replaced_rhs_insn): Rename to i2mod.
3696 (replaced_rhs_value): Rename to i2mod_new_rhs.
3697 (i2mod_old_rhs): New global variable.
3698 (combine_instructions): Adjust for above change. Save a copy of
3699 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
3700 note are substituted in the second instruction.
3701 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
3702 ditch the note if it pertains to the second eliminated register
3703 and this register is mentioned in i2mod_old_rhs.
3705 Revert:
3706 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3708 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3709 the insn to which the note was originally attached.
3711 2007-01-21 Jan Hubicka <jh@suse.cz>
3713 * ipa-inline.c (inlining_mode): Comment, move up.
3714 (cgraph_decide_inlining_incrementally): Do not perform inlining
3715 itself; fix handling of flattening of self recursive functions.
3716 (cgraph_find_cycles): Remove.
3717 (cgraph_flatten_node): Remove.
3718 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
3719 (try_inline): New function.
3720 (cgraph_early_inlining): Update call of
3721 cgraph_decide_inlining_incrementally. Apply inlining here.
3722 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
3724 2007-01-21 Dirk Mueller <dmueller@suse.de>
3726 PR bootstrap/30511
3727 * tree-vrp.c (check_array_bounds): do not warn
3728 about ADDR_EXPR's of ARRAY_REF's which are immediately
3729 used in binary expressions.
3731 2007-01-21 Ira Rosen <irar@il.ibm.com>
3733 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
3734 read_write_dep and macros for its access.
3735 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
3736 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
3737 argument, call vect_check_interleaving for every independent pair of
3738 data-refs. Mark loads that access the same memory location as a store
3739 in the loop.
3740 (vect_check_dependences): Remove.
3741 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
3742 call, fix the call to vect_analyze_data_ref_dependence.
3743 (vect_analyze_data_ref_access): For statements that access the same
3744 data-ref, check that they are not stores; for loads, check that there
3745 is no store that access the same location.
3747 2007-01-20 Roger Sayle <roger@eyesopen.com>
3748 Joseph Myers <joseph@codesourcery.com>
3750 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
3751 (-fdump-rtl-stack): Likewise.
3752 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
3753 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
3754 (-mpt-fixed): Use @minus{} for minus sign.
3755 (Using Precompiled Headers): Fix under/overfull hbox.
3757 2007-01-20 Jan Hubicka <jh@suse.cz>
3759 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
3760 place within annotation.
3762 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3764 * pa.c (output_move_double): Change array size of xoperands to 4.
3766 2007-01-20 Jan Hubicka <jh@suse.cz>
3768 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
3769 as temporary.
3771 2007-01-19 Ian Lance Taylor <iant@google.com>
3773 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
3774 constant to unsigned HOST_WIDE_INT before negating.
3776 2007-01-19 Ian Lance Taylor <iant@google.com>
3778 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
3779 to unsigned.
3780 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
3781 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3782 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
3783 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
3784 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3785 (realloc_vdef, realloc_vuse): Change second parameter to
3786 unsigned.
3787 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
3788 fields to unsigned.
3789 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
3790 unsigned. Change x and lim locals to unsigned.
3791 (realloc_vdef, realloc_vuse): Change num_elem parameter to
3792 unsigned.
3793 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
3794 (copy_virtual_operands): Change i and n locals to unsigned.
3796 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3798 PR middle-end/29335
3799 * builtins.c (fold_builtin_1): Handle builtin fdim.
3801 2007-01-20 Jan Hubicka <jh@suse.cz>
3803 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
3804 * tree-ssa-structalias.c (compute_points_to_sets): Do call
3805 init_alias_heapvars.
3806 (init_alias_heapvars): Initialize only when not already initialized.
3807 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
3809 2007-01-19 Roger Sayle <roger@eyesopen.com>
3811 * common.opt (fsigned-zeros): New command line option.
3812 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
3813 of flag_unsafe_math_optimizations.
3814 * opts.c (set_fast_math_flags): The -ffast-math command line option
3815 implies -fno-signed-zeros.
3816 (fast_math_flags_set_p): Likewise.
3818 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
3819 the documentation of -ffast-math appropriately. Wrap long lines.
3821 2007-01-19 Steve Ellcey <sje@cup.hp.com>
3823 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
3824 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
3826 2007-01-19 Tomas Bily <tbily@suse.cz>
3828 * cgraphunit.c (cgraph_finalize_function): Updating of pid
3829 * tree-profile.c:
3830 (tree_init_ic_make_global_vars): New function
3831 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
3832 (tree_gen_ic_profiler): New function
3833 (tree_gen_ic_func_profiler): New function
3834 (tree_profiling): Added calling of tree_gen_ic_func_profiler
3835 (tree_profile_hooks): Added hook for indirec/virtual calls
3836 * value-prof.c (tree_find_values_to_profile): New case for
3837 indirect calls
3838 (tree_values_to_profile): Call for determining indirect/virtual
3839 counters
3840 (tree_indirect_call_to_profile): New function
3841 (tree_ic_transform): New function
3842 (tree_ic): New function
3843 (find_func_by_pid): New function
3844 (init_pid_map): New function
3845 (tree_value_profile_transformations): Added check for
3846 indirect/virtual call transformation
3847 * value-prof.h (enum hist_type): New counter type for
3848 indirect/virtual calls
3849 (profile_hooks): Added new hook for profiling indirect/virtual
3850 calls
3851 * profile.c (instrument_values): New case for indirect/virtual
3852 call added
3853 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
3854 (GCOV_COUNTER_V_INDIR): New counter type
3855 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
3856 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
3857 call added
3858 * cgraph.c: Definition of cgraph_max_pid
3859 (cgraph_create_node): Default init of pid attribute
3860 * cgraph.h: Declaration of cgraph_max_pid
3861 (struct cgraph_node): Added pid attribute
3862 * libgcov.c (__gcov_indirect_call_profiler): New function
3863 (__gcov_one_value_profiler_body): New function
3864 (__gcov_one_value_profiler): Body was moved to
3865 __gcov_one_value_profiler_body and calls it
3867 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
3869 * doc/gty.texi (Options): Document the mark_hook option to GTY.
3870 * gengtype.c (write_types_data, write_func_for_structure,
3871 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
3872 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
3873 (walk_type, write_func_for_structure): Generate the mark_hook if
3874 needed.
3876 2007-01-19 Jan Hubicka <jh@suse.cz>
3878 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
3879 'early' argument take inlining mode argument specifying whether to
3880 inline for size/speeed or all functions; add support for flattening;
3881 improve dumpting.
3882 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
3884 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3886 PR c++/17947
3887 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
3888 the name of the declared identifier.
3890 2007-01-19 Dirk Mueller <dmueller@suse.de>
3892 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
3893 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
3894 duplicate evaluation.
3896 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
3898 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
3899 Macroize expander using X87MODEF12 mode macro. Extend operand 1
3900 to XFMode, use acosxf2 and truncate result to requested mode.
3901 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
3902 (asin<mode>2): Similarly, with asin expanders.
3903 (*fscalexf4_i387): Rename from *fscalexf4.
3904 (expNcorexf3): New expander.
3905 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
3906 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
3907 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
3908 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
3909 patterns for SSE math.
3910 (exp10<mode>2): Similarly, with exp10 expanders.
3911 (exp2<mode>2): Similarly, with exp2 expanders.
3912 (expm1<mode>2): Similarly, with expm1 expanders.
3913 (ldexp<mode>3): Similarly, with ldexp expanders.
3914 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
3915 Use gen_truncxf<mode>2_i387_noop to truncate result.
3917 2007-01-19 Richard Sandiford <richard@codesourcery.com>
3919 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
3920 for ColdFire targets.
3922 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
3923 Richard Sandiford <richard@codesourcery.com>
3925 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
3926 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
3927 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
3928 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
3929 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
3930 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
3932 2007-01-19 Richard Sandiford <richard@codesourcery.com>
3934 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
3935 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
3936 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
3937 (*adddi_dilshr32_cf): New pattern.
3938 (adddi3, subdi3): Remove first alternatives.
3940 2007-01-19 Richard Sandiford <richard@codesourcery.com>
3942 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
3943 implemented using move.l, do not use its cc result for floating-point
3944 comparisons.
3946 2007-01-19 Richard Sandiford <richard@codesourcery.com>
3948 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
3949 from accepting 's' constraints if flag_pic.
3951 2007-01-19 Richard Sandiford <richard@codesourcery.com>
3953 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
3954 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
3955 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
3956 condition from TARGET_68881 to TARGET_HARD_FLOAT.
3958 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
3960 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
3961 ColdFire alternatives.
3962 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
3963 * config/m68k/m68k.md (clzsi2): Define for ColdFire
3964 architectures that support ff1 instruction.
3966 2007-01-19 Richard Sandiford <richard@codesourcery.com>
3967 Julian Brown <julian@codesourcery.com>
3969 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
3970 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
3971 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
3972 Add commentary.
3974 2007-01-19 Richard Sandiford <richard@codesourcery.com>
3976 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
3977 and return a bool.
3978 (output_move_const_into_data_reg, output_move_simode_const): Delete.
3979 * config/m68k/m68k.c (const_method, const_int_cost): Take a
3980 HOST_WIDE_INT instead of an rtx.
3981 (m68k_rtx_costs): Update call accordingly.
3982 (output_move_const_into_data_reg): Likewise. Fix formatting.
3983 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
3984 Return a bool.
3985 (output_move_simode_const): Update calls after above changes.
3986 Rework to use automatic variables and predicates like MEM_P.
3987 * config/m68k/m68k.md (pushexthisi_const): Update call to
3988 valid_mov3q_const.
3990 2007-01-19 Dirk Mueller <dmueller@suse.de>
3992 * tree-ssa-alias.c (perform_var_substitution): Fix typo
3993 in dump_flags test.
3995 2007-01-19 Richard Guenther <rguenther@suse.de>
3997 * builtins.c (expand_builtin_cexpi): Fall back to expanding
3998 via cexp in case sincos is not available.
4000 2007-01-19 Richard Guenther <rguenther@suse.de>
4002 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
4003 * defaults.h (TARGET_HAS_SINCOS): Default to off.
4004 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
4005 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
4006 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
4007 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
4008 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
4009 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
4011 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
4013 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
4014 New insn patterns.
4015 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
4016 (atan2xf3): Directly generate RTL pattern.
4017 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
4018 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
4019 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
4020 disable patterns for SSE math.
4021 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
4022 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
4023 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
4024 disable patterns for SSE math.
4026 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
4028 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
4030 2007-01-18 Roger Sayle <roger@eyesopen.com>
4032 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
4033 VIEW_CONVERT_EXPR to the same type as it's operand.
4035 2007-01-18 David Edelsohn <edelsohn@gnu.org>
4037 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
4038 configured for long double 128.
4040 2007-01-18 Mike Stump <mrs@apple.com>
4042 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
4043 error.
4045 2007-01-18 Michael Meissner <michael.meissner@amd.com>
4047 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
4048 type correct.
4050 2007-01-18 Jan Hubicka <jh@suse.cz>
4052 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
4053 greater than NUM_VOP_FREE_BUCKETS.
4055 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
4057 * tree-ssa-structalias.c: Update comments.
4058 (ptabitmap_obstack): Removed.
4059 (pta_obstack): New.
4060 (oldpta_obstack): Ditto.
4061 (stats): Add a few members.
4062 (struct variable_info): Remove node, complex, address_taken, and
4063 indirect_target members. Add oldsolution member.
4064 (new_var_info): Do not initialize removed members.
4065 (constraint_expr_type): Remove INCLUDES.
4066 (constraint_graph): Add size, implicit_preds, rep,
4067 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
4068 (FIRST_REF_NODE): New macro.
4069 (LAST_REF_NODE): Ditto.
4070 (FIRST_ADDR_NODE): Ditto.
4071 (find): New function.
4072 (unite): Ditto.
4073 (dump_constraint): Do not handle INCLUDES.
4074 (insert_into_complex): Do not insert duplicate constraints.
4075 (condense_varmap_nodes): Renamed and rewritten into ...
4076 (merge_node_constraints): This. Also fix bug in handling of
4077 offseted copy constraints.
4078 (clear_edges_for_node): No longer need to deal with preds at all,
4079 or removing associated preds/succs.
4080 (merge_graph_nodes): Deal with indirect_cycles.
4081 Don't deal with predecessors.
4082 (add_implicit_graph_edge): New function.
4083 (add_pred_graph_edge): Ditto.
4084 (add_graph_edge): Don't deal with predecessors.
4085 (build_constraint_graph): Removed.
4086 (build_pred_graph): New function.
4087 (build_succ_graph): Ditto.
4088 (struct scc_info): Removed in_component. Added roots, dfs, and
4089 node_mapping. Remove visited_index, unification_queue.
4090 (scc_visit): Deal with union-find we do now.
4091 Deal with cycles with REF nodes.
4092 (collapse_nodes): Renamed and rewritten to ...
4093 (unify_nodes): This.
4094 (process_unification_queue): Removed.
4095 (topo_visit): Cleanup
4096 (do_da_constraint): Use find.
4097 (do_sd_constraint): Ditto.
4098 (do_ds_constraint): Ditto.
4099 (do_complex_constraint): Ditto.
4100 (init_scc_info): Update for removed and added members.
4101 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
4102 (find_indirect_cycles): This.
4103 (equivalence_class): New variable.
4104 (label_visit): New function.
4105 (perform_variable_substitution): Rewritten.
4106 (free_var_substitution_info): New function.
4107 (find_equivalent_node): Ditto.
4108 (move_complex_constraints): Ditto.
4109 (eliminate_indirect_cycles): Ditto.
4110 (solve_graph): Only propagate changed bits.
4111 Use indirect cycle elimination.
4112 Use find.
4113 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
4114 (tree_id_eq): Renamed to ...
4115 (tree_vi_eq): This. Update for member change
4116 (insert_id_for_tree): Renamed and rewritten to ...
4117 (insert_vi_for_tree): This.
4118 (lookup_id_for_tree): Renamed and rewritten to ...
4119 (lookup_vi_for_tree): This.
4120 (get_id_for_tree): Renamed and rewritten to ...
4121 (get_vi_for_tree): Ditto.
4122 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
4123 (process_constraint): Don't handle INCLUDES.
4124 Remove special ADDRESSOF case.
4125 (find_func_aliases): Rewrite to use vi functions instead of id
4126 ones.
4127 (create_function_info_for): Ditto.
4128 (create_variable_info_for): Ditto.
4129 (intra_create_variable_infos): Ditto.
4130 (merge_smts_into): Ditto.
4131 (find_what_p_points_to): Ditto.
4132 (init_base_vars): Ditto.
4133 (init_alias_vars): Ditto.
4134 (remove_preds_and_fake_succs): New function.
4135 (dump_sa_points_to_info): Dump new stats.
4136 (dump_solution_for_var): Use find.
4137 (set_used_smts): Fix formatting.
4138 (compute_points_to_sets): Updated for new functions.
4139 (ipa_pta_execute): Ditto.
4141 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
4142 Richard Sandiford <richard@codesourcery.com>
4144 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
4145 parallels.
4146 * calls.c (expand_call): If the return value is a PARALLEL,
4147 extract its first member.
4148 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
4149 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4150 use FUNCTION_EXTRA_EPILOGUE.
4151 (m68k_function_value): Return a PARALLEL if the return value
4152 is of a pointer type.
4153 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
4154 (FUNCTION_EXTRA_EPILOGUE): Remove.
4155 * config/m68k/m68k.md (D0_REG): New constant.
4157 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
4159 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4160 output a NOP for empty epilogues.
4162 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4164 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
4165 before function. Extend register save check to include all
4166 registers, not just integer ones.
4168 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
4170 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4171 (m68k_use_return_insn): ...this.
4172 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4173 * config/m68k/m68k.c (use_return_insn): Rename to...
4174 (m68k_use_return_insn): ...this.
4175 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4176 of USE_RETURN_INSN.
4178 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
4180 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4181 nearest even, fix denormal rounding overflow.
4183 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4185 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4186 f%$smove and f%$move.
4187 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4188 (extendsfdf2_cf): Use fdmove instead of f%&move.
4189 (truncdfsf2_cf): Use fsmove instead of f%$smove.
4190 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4192 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4194 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4195 GPR<-GPR moves.
4197 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4199 * real.h (real_format): Add a canonical_nan_lsbs_set field.
4200 (coldfire_single_format): Declare.
4201 (coldfire_double_format): Likewise.
4202 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4203 of qnan_msb_set to determine the lower bits of a canonical
4204 NaN significand.
4205 (encode_ieee_double): Likewise.
4206 (encode_ieee_quad): Likewise.
4207 (ieee_single_format): Initialize canonical_nan_lsbs_set.
4208 (mips_single_format): Likewise.
4209 (ieee_double_format): Likewise.
4210 (mips_double_format): Likewise.
4211 (ieee_extended_motorola_format): Likewise.
4212 (ieee_extended_intel_96_format): Likewise.
4213 (ieee_extended_intel_128_format): Likewise.
4214 (ieee_extended_intel_96_round_53_format): Likewise.
4215 (ibm_extended_format): Likewise.
4216 (mips_extended_format): Likewise.
4217 (ieee_quad_format): Likewise.
4218 (mips_quad_format): Likewise.
4219 (vax_f_format): Likewise.
4220 (vax_d_format): Likewise.
4221 (vax_g_format): Likewise.
4222 (i370_single_format): Likewise.
4223 (i370_double_format): Likewise.
4224 (decimal_single_format): Likewise.
4225 (decimal_double_format): Likewise.
4226 (decimal_quad_format): Likewise.
4227 (c4x_single_format): Likewise.
4228 (c4x_extended_format): Likewise.
4229 (real_internal_format): Likewise.
4230 (coldfire_single_format): New real_format.
4231 (coldfire_double_format): Likewise.
4232 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4233 canonical_nan_lsbs_set.
4234 (pdp11_d_format): Likewise.
4235 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4236 if TARGET_COLDFIRE_CPU.
4238 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4240 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4241 (output_call, m68k_legitimize_call_address): Declare.
4242 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4243 parenthesees. Add support for a 'W' constraint.
4244 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4245 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4246 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4247 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4248 variables.
4249 (override_options): Initialize them. Do not set flag_no_function_cse
4250 for TARGET_ID_SHARED_LIBRARY.
4251 (m68k_output_pic_call): Delete.
4252 (m68k_legitimize_call_address): New function.
4253 (print_operand): Remove the %o prefix. Handle the %p prefix.
4254 (output_call): New function.
4255 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
4256 target address from the GOT if symbolic jumps are not allowed.
4257 * config/m68k/m68k.md (call, general_operand): Do not set
4258 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
4259 Merge separate flag_pic and !flag_pic define_insns into...
4260 (*call, *call_value): ...these new patterns. Match the address
4261 rather than the containing MEM and require it to be a call_operand.
4262 Use output_call to generate the asm template.
4263 * config/m68k/predicates.md (const_call_operand): New predicate.
4264 (call_operand): Likewise.
4266 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
4268 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4269 (STACK_GROWS_DOWNWARD): Define to 1.
4270 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4271 comments, emphasizing that these values are only defaults.
4272 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4273 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4275 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4277 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4279 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
4280 Richard Sandiford <richard@codesourcery.com>
4282 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4283 (FP_REGNO_P): New macros.
4284 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4285 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4286 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4287 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4289 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
4291 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4292 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4293 to $tmake_file.
4294 * config/m68k/t-floatlib: New file, extracting common code from...
4295 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4296 * config/m68k/t-uclinux: Here.
4297 * config/m68k/fpgnulib.c: Do not compile extendeed precision
4298 routines on ColdFire targets.
4300 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
4302 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4303 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4304 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4305 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4306 explicitly set MOTOROLA to 1.
4307 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4309 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4310 Nathan Sidwell <nathan@codesourcery.com>
4312 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4313 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4314 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4315 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4316 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4317 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4318 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4319 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4320 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4321 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4322 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4323 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4324 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4325 (DBX_REGISTER_NUMBER): Delete.
4326 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4327 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4328 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4330 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4332 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4333 * config/flat.h: New file.
4334 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4335 OBJECT_FORMAT_FLAT.
4336 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4337 indirect references for -msep-data or -mid-shared-library.
4338 Do not use PC-relative code addresses either.
4339 * config/m68k/m68k.c (override_options): Restrict -fPIC error
4340 to -mpcrel.
4341 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
4342 for shared libraries and crt1.o for executables. Use crti.o and
4343 crtbegin.o.
4344 (ENDFILE_SPEC): Use crtend.o and crtn.o.
4345 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4346 Do not add -elf2flt or -shared-lib-id options here.
4347 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
4348 Pass -shared-lib-id if -mid-shared-library, taking the library
4349 identifier from -mshared-library-id if given, otherwise
4350 defaulting to 0.
4351 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4352 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4353 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4354 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4355 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4356 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4357 and crtend.o.
4358 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4359 jump sequence for ISA A and ISA A+.
4360 (PICJUMP): Likewise.
4362 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4364 * config.gcc (m68k-*-uclinux*): Base the port on the common
4365 and m68k GNU/Linux files rather than on the generic ELF ones.
4366 * config/m68k/uclinux.h (TARGET_VERSION): Override.
4367 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4369 2007-01-18 Julian Brown <julian@codesourcery.com>
4370 Richard Sandiford <richard@codesourcery.com>
4372 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4373 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4374 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4375 before redefining.
4376 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4377 80 unconditionally.
4378 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4380 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4382 * doc/install.texi: Document m68k-uclinuxoldabi.
4383 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4384 * config/m68k/uclinux-oldabi.h: New file, copied from
4385 config/m68k/uclinux.h.
4387 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
4389 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4390 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4391 (m32r_compute_frame_size): Use unsigned for regno.
4392 (m32r_reload_lr): Use gen_frame_mem.
4393 (pop): New.
4394 (m32r_output_function_epilogue): Don't output the function epilogue
4395 textually here.
4396 (m32r_expand_epilogue): New.
4397 (direct_return): Return false if the function has the interrupt
4398 attribute.
4399 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4400 * config/m32r/m32r.md (epilogue): New expander.
4401 (return_lr, return_rte): New insns.
4402 (return): Make it expander.
4403 (return_normal): New expander.
4405 2007-01-18 Josh Conner <jconner@apple.com>
4407 PR target/30485
4408 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4409 support for UNLE, UNLT, UNGE, and UNGT.
4411 2007-01-18 Jan Hubicka <jh@suse.cz>
4413 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4414 * tree-tailcall (add_virtual_phis): Likewise.
4415 (optimize_tail_call): Return TODOs.
4416 (execute_tail_calls): Return TODOs.
4417 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4418 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4419 changed.
4420 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4421 Cleanup cfg using TODO.
4422 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4423 * passes.c (execute_function_todo): When cleanup did something, remove
4424 unused locals.
4425 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4426 (make_edges): Don't cleanup_cfg.
4428 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
4430 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4431 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4432 operate on the top of stack.
4433 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4434 register handling of instructions that output to the second
4435 stack slot.
4436 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4437 (move_for_stack_reg): Special-case check for dead destination
4438 stack slot for constant load of 1.0 inside UNSPEC_TAN.
4440 * config/i386/i386.md (UNSPEC_TAN): New constant.
4441 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4442 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4443 to correctly model move of constant 1.0 to top stack slot.
4444 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4445 (unnamed peephole2 pattern): Remove corresponding peephole2
4446 pattern that optimizes tan insn and loading of constant 1.0.
4447 (tanxf2): Use fptanxf4_i387.
4448 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4449 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
4450 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
4451 disable patterns for SSE math.
4452 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4453 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4455 2007-01-18 Dirk Mueller <dmueller@suse.de>
4456 Richard Guenther <rguenther@suse.de>
4458 PR diagnostic/8268
4459 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4460 * common.opt (Warray-bounds): Add new warning option.
4461 * c-opts.c (c_common_handle_option): Define -Warray-bounds
4462 if -Wall is given.
4463 * Makefile.in: make tree-vrp.o depend on toplev.h
4464 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4465 is enabled.
4466 (check_array_refs, check_array_bounds, check_array_ref): New.
4468 2007-01-18 Jan Hubicka <jh@suse.cz>
4470 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4471 (execute_ssa_ccp): Return flags conditionally.
4472 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4473 changed.
4474 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4476 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
4478 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4479 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4481 * Makefile.c (GTFILES): Add cfglayout.h.
4482 * gengtype.c (open_base_files): Likewise.
4483 * cfglayout.c (cfg_layout_function_footer,
4484 cfg_layout_function_header) Reindent to make gengtype happy.
4485 * cfglayout.h (cfg_layout_function_footer,
4486 cfg_layout_function_header): Add GTY(()) marker.
4488 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4490 2007-01-18 Ben Elliston <bje@au.ibm.com>
4492 * genautomata.c (write_automata): Include xstrerror output in the
4493 error message if writing the DFA description file fails.
4495 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
4497 * config/mips/mips-protos.h (mips_output_external): Make it
4498 return void.
4499 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4500 * config/mips/mips.c (irix_output_external_libcall): Likewise.
4501 (extern_list): Likewise.
4502 (extern_head): Likewise.
4503 (TARGET_ASM_FILE_END): Likewise.
4504 (mips_file_end): Likewise.
4505 (mips_output_external): Rewritten.
4507 2007-01-18 Ben Elliston <bje@au.ibm.com>
4509 * genpreds.c (write_insn_preds_c): Only write out the function
4510 body for regclass_for_constraint if we have register constraints.
4512 2007-01-17 Tom Tromey <tromey@redhat.com>
4514 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
4515 * doc/install.texi (Testing): Use sourceware.org.
4516 (Binaries): Likewise.
4517 (Specific): Likewise.
4518 * doc/contrib.texi (Contributors): Use sourceware.org.
4520 2007-01-17 Anatoly Sokolov <aesok@post.ru>
4522 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
4523 (AVR_ENHANCED): Rename to ...
4524 (AVR_HAVE_MUL): ... new.
4525 (avr_enhanced_p): Rename to ...
4526 (avr_have_mul_p): ... new.
4527 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
4528 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
4529 * config/avr/avr.c (avr_enhanced_p): Rename to ...
4530 (avr_have_mul_p): ... new.
4531 (base_arch_s): Rename 'enhanced' to 'have_mul'.
4532 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
4533 'avr_enhanced_p' and 'enhanced'.
4534 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
4535 AVR_HAVE_MUL instead of AVR_ENHANCED.
4536 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4537 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
4538 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
4539 instead of AVR_ENHANCED.
4540 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4541 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
4542 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
4544 2007-01-17 Ian Lance Taylor <iant@google.com>
4546 * vec.h (VEC_reserve_exact): Define.
4547 (vec_gc_p_reserve_exact): Declare.
4548 (vec_gc_o_reserve_exact): Declare.
4549 (vec_heap_p_reserve_exact): Declare.
4550 (vec_heap_o_reserve_exact): Declare.
4551 (VEC_OP (T,A,reserve_exact)): New static inline function, three
4552 versions.
4553 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
4554 negative parameter.
4555 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
4556 (VEC_OP (T,A,copy)) [all versions]: Likewise.
4557 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
4558 * vec.c (calculate_allocation): Add exact parameter. Change all
4559 callers.
4560 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
4561 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
4562 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
4563 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
4564 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
4565 (vec_heap_p_reserve_exact): New function.
4566 (vec_heap_o_reserve_exact): New function.
4568 2007-01-17 Jan Hubicka <jh@suse.cz>
4570 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
4572 2007-01-17 Eric Christopher <echristo@apple.com>
4574 * config.gcc: Support core2 processor.
4576 2007-01-16 Jan Hubicka <jh@suse.cz>
4578 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
4579 the names, just unlink the chain so we don't crash on dangling pointers
4580 to dead SSA names.
4582 2007-01-16 Jan Hubicka <jh@suse.cz>
4584 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
4585 * tree-pass.h: Reorder to make IPA passes appear toegher.
4586 (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
4587 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
4588 parameters, do not call early inliner.
4589 * ipa-inline.c: Update comments. Include tree-flow.h
4590 (cgraph_decide_inlining): Do not compute inlining parameters.
4591 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
4592 be called with function context set up.
4593 (pass_ipa_inline): Remove unreachable functions before pass.
4594 (cgraph_early_inlining): Simplify assuming to be called from the
4595 PM as local pass.
4596 (pass_early_inline): New pass.
4597 (cgraph_gate_ipa_early_inlining): New gate.
4598 (pass_ipa_early_inline): Turn into simple wrapper.
4599 (compute_inline_parameters): New function.
4600 (gate_inline_passes): New gate.
4601 (pass_inline_parameters): New pass.
4602 (apply_inline): Move here from tree-optimize.c
4603 (pass_apply_inline): New pass.
4604 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
4605 transforming.
4606 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
4607 doing them by hand.
4608 (tree_function_versioning): Do not allocate dummy struct function.
4609 * tree-inline.h (optimize_inline_calls): Update prototype.
4610 * tree-optimize.c (execute_fixup_cfg): Export.
4611 (pass_fixup_cfg): Remove
4612 (tree_rest_of_compilation): Do not apply inlines.
4613 * tree-flow.h (execute_fixup_cfg): Declare.
4614 * Makefile.in (gt-passes.c): New.
4615 * passes.c: Include gt-passes.h
4616 (init_optimization_passes): New passes.
4617 (nnodes, order): New static vars.
4618 (do_per_function_toporder): New function.
4619 (execute_one_pass): Dump current pass here.
4620 (execute_ipa_pass_list): Don't dump current pass here.
4622 2007-01-16 Janis Johnson <janis187@us.ibm.com>
4624 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
4625 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
4627 2007-01-16 David Edelsohn <edelsohn@gnu.org>
4629 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
4630 (strong_alias): Define.
4631 (__gcc_qmul): Provide non-FMA for soft-float.
4632 (__gcc_qdiv): Same.
4633 (__gcc_qneg): New.
4634 (__gcc_qeq): New.
4635 (__gcc_qle): New.
4636 (__gcc_qge): New.
4637 (__gcc_qunord): New.
4638 (__gcc_stoq): New.
4639 (__gcc_dtoq): New.
4640 (__gcc_qtos): New.
4641 (__gcc_qtod): New.
4642 (__gcc_qtoi): New.
4643 (__gcc_qtou): New.
4644 (__gcc_itoq): New.
4645 (__gcc_utoq): New.
4646 (fmsub): New.
4647 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
4648 soft-float functions.
4649 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
4650 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
4651 about long double soft float.
4653 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
4654 Tehila Meyzels <tehila@il.ibm.com>
4656 * tree-vectorizer.h (is_pattern_stmt_p): New.
4657 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
4658 formatting (tabs instead of spaces). Cleanup and clarify setting
4659 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
4660 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
4661 (vectorizable_type_demotion): Check that types are integral.
4662 (vectorizable_type_promotion): Likewise.
4663 (vectorizable_store): Fix typo. Eliminate new-line at end of
4664 comments.
4666 2007-01-16 Jan Hubicka <jh@suse.cz>
4668 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
4669 cgraph edges too.
4671 2007-01-15 Eric Christopher <echristo@apple.com>
4673 * ifcvt.c: Include vec.h, vecprim.h.
4674 (check_cond_move_block): New argument regs.
4675 Reorganize. Add registers used to regs.
4676 (cond_move_process_if_block): Use regs set above as
4677 loop bounds.
4679 2007-01-15 Eric Christopher <echristo@apple.com>
4681 * config/darwin.h: Update copyright.
4682 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
4683 (LINK_COMMAND_SPEC): Add -u.
4684 (LINK_SPEC): Fix umbrella for above.
4686 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
4688 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
4689 glibc CVS.
4691 2007-01-15 Tom Tromey <tromey@redhat.com>
4693 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
4694 * doc/install.texi (Testing): Don't mention jacks.
4695 (Configuration): Document --enable-java-maintainer-mode. Move
4696 --with-java-home to libgcj-specific section. Document
4697 --with-ecj-jar.
4698 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
4700 2007-01-15 Jan Hubicka <jh@suse.cz>
4702 * tree-ssa-dce.c (DCE_TODOs): New.
4703 (propagate_necessity): Return if something changed.
4704 (eliminate_unnecessary_stmts): Likewise.
4705 (perform_tree_ssa_dce): Return TODO flags when needed.
4706 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
4708 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
4710 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
4711 (fyl2x_extend<mode>xf3_i387): New insn pattern.
4712 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
4713 patterns using X87MODEF12 mode macro. Extend operand 1
4714 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4715 (log10<mode>2): Ditto.
4716 (log2<mode>2): Ditto.
4717 (log1p<mode>2): Ditto.
4718 (logb<mode>2): Ditto.
4719 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
4720 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
4721 (*fxtractxf3_i387): Rename from *fxtractxf3.
4722 (fxtract_extend<mode>xf3_i387): New insn pattern.
4723 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
4724 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
4725 and gen_fyl2xxf3_i387().
4727 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
4729 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
4730 * cfgloopmanip.c (fix_loop_placement): Made static. Use
4731 get_loop_exit_edges. Changed return type to bool.
4732 * cfgloop.h (fix_loop_placement): Declaration removed.
4734 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
4736 * param.h (MIN_VECT_LOOP_BOUND): New.
4737 * params.def (MIN_VECT_LOOP_BOUND): New.
4738 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
4739 argument - minimum threshold for number of iterations.
4740 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
4741 argument to declaration.
4742 * tree-vect-analyze.c (vect_analyze_operations): Check value of
4743 MIN_VECT_LOOP_BOUND.
4744 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
4745 slpeel_tree_peel_loop_to_edge with additional argument.
4746 (vect_do_peeling_for_alignment): Likewise.
4747 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
4749 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
4751 PR target/30413
4752 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
4753 operands of size 1.
4755 2007-01-14 Jan Hubicka <jh@suse.cz>
4757 * tree-dfa.c (remove_referenced_var): New function.
4758 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
4759 prune referenced vars list too.
4760 * tree-flow.h (remove_referenced_var): Declare.
4762 2007-01-14 Jan Hubicka <jh@suse.cz>
4764 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
4765 separately.
4766 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
4767 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
4768 * except.h (verify_eh_throw_table_statements): Kill prototype.
4769 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
4770 into call exrepssions.
4771 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
4772 eh trhow verifier.
4773 * tree-cfg.c: Include pointer-set.h.
4774 (verify_node_sharing): Work on pointer set.
4775 (verify_eh_throw_stmt_node): New.
4776 (verify_stmts): Use pointers sets, verify throw_stmt.
4778 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
4780 * ipa-reference.c (analyze_function): Consider also addresses taken
4781 in phi nodes.
4783 2007-01-12 Roger Sayle <roger@eyesopen.com>
4785 * c-typeck.c (null_pointer_constant_p): Replace use of
4786 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4787 (build_c_cast): Likewise.
4789 2007-01-12 Roger Sayle <roger@eyesopen.com>
4791 * tree.h (force_fit_type_double): Remove unused final argument.
4792 * c-common.c (constant_expression_warning): Replace use of
4793 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4794 (convert_and_check): Likewise.
4795 (shorten_compare): Update call to force_fit_type_double.
4796 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
4797 * convert.c (convert_to_pointer): Update call to
4798 force_fit_type_double.
4799 * fold-const.c (force_fit_type_double): Remove overflowed_const
4800 argument.
4801 (int_const_binop, fold_convert_const_int_from_int,
4802 fold_convert_const_int_from_real, fold_div_compare,
4803 fold_sign_changed_comparison, fold_unary, fold_negate_const,
4804 fold_abs_const, fold_not_const): Remove the final argument from
4805 calls to force_fit_type_double.
4807 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
4809 * configure.ac: Set insn to "nop" for spu-*-* also.
4810 * configure: Regenerate.
4812 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
4814 * builtins.def : Add BUILT_IN_FREE.
4816 2007-01-12 Jan Hubicka <jh@suse.cz>
4818 PR tree-optimization/30443
4819 * tree-inline.c (tree_function_versioning): Do not optimize when
4820 cloning for inlining.
4822 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
4824 * doc/loop.texi: Document recording of loop exits.
4825 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
4826 (update_single_exits_after_duplication,
4827 update_single_exit_for_duplicated_loop,
4828 update_single_exit_for_duplicated_loops): Removed.
4829 (duplicate_loop_to_header_edge): Do not call
4830 update_single_exits_after_duplication and
4831 update_single_exit_for_duplicated_loops.
4832 (loop_version): Do not update single_exit information.
4833 (fix_loop_structure): Use record_loop_exits instead of
4834 mark_single_exit_loops.
4835 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
4836 the lists of loop exits.
4837 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
4838 split_edge, merge_blocks): Update the lists of loop exits.
4839 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
4840 loop_optimizer_init.
4841 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
4842 of mark_single_exit_loops.
4843 (loop_optimizer_finalize): Call release_recorded_exits.
4844 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
4845 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
4846 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
4847 update single exit information.
4848 * lambda-code.c (perfect_nestify): Ditto.
4849 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
4850 (mark_single_exit_loops): Removed.
4851 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
4852 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
4853 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
4854 functions.
4855 (get_loop_exit_edges, single_exit): Use recorded exit lists.
4856 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
4857 (verify_loop_structure): Verify consistency of the exit lists.
4858 (flow_loops_find): Use alloc_loop. Initialize exits hash.
4859 (set_single_exit): Removed.
4860 * cfgloop.h (struct loop_exit): New function.
4861 (struct loop): single_exit_ field replaced by exits field.
4862 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
4863 (struct loops): Added exits hash.
4864 (mark_single_exit_loops, set_single_exit): Declaration removed.
4865 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
4867 2007-01-12 Richard Sandiford <richard@codesourcery.com>
4869 * doc/invoke.texi: Avoid use of @headitem.
4871 2007-01-12 Richard Sandiford <richard@codesourcery.com>
4873 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
4875 2007-01-12 Richard Sandiford <richard@codesourcery.com>
4877 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
4878 list of targets.
4880 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
4881 Richard Sandiford <richard@codesourcery.com>
4883 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
4884 * config/m68k/m68k.opt: Resort options.
4885 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
4887 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
4888 Richard Sandiford <richard@codesourcery.com>
4890 * doc/invoke.texi: Document the macros that are defined by
4891 m68k's -mtune and -mhard-float options.
4892 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
4893 (m68k_cpp_cpu_family): Likewise.
4894 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
4895 of __ucfv*__ macros. Define __mcffpu__ if generating code for
4896 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
4897 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
4898 (m68k_cpp_cpu_family): Likewise.
4900 2007-01-12 Richard Sandiford <richard@codesourcery.com>
4902 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
4903 macros besides mc68000 as tuning macros. Use a switch statement
4904 to set them and mcpu32.
4906 2007-01-12 Julian Brown <julian@codesourcery.com>
4908 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
4909 (TARGET_68040_ONLY): Rename to...
4910 (TARGET_68040): ...this.
4911 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
4912 * config/m68k/m68k.md: Likewise.
4914 2007-01-12 Julian Brown <julian@codesourcery.com>
4915 Nathan Sidwell <nathan@codesourcery.com>
4916 Richard Sandiford <richard@codesourcery.com>
4918 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
4919 the -mcpu= argument associated with the --with-cpu setting.
4920 Define M68K_DEFAULT_TUNE to the default -mtune= option,
4921 if different from the one implied by the -mcpu setting.
4922 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
4923 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
4924 * doc/invoke.texi: Mention ColdFire in the introduction to the
4925 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
4926 -mno-div and -mhard-float options. Make -m68881 a synonym for
4927 -mhard-float. Document the previously-undocumented -m5206e,
4928 -m528x, -m5307 and -m5407 options. Tweak the existing option
4929 documentation for consistency.
4930 * doc/install.texi: Mention new --with-cpu arguments.
4931 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
4932 default CPU if neither -mcpu nor -march are specified.
4933 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
4934 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
4935 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
4936 using m68k_tune to decide between families that implement the
4937 same ISA. Use m68k_tune to set __mcfv4e__.
4938 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
4939 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
4940 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
4941 (FL_ISA_C, FL_ISA_MMU): New macros.
4942 (MASK_COLDFIRE): Delete.
4943 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
4944 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
4945 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
4946 (TARGET_HARD_FLOAT): Do not define here.
4947 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
4948 (TUNE_68000): New macro.
4949 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
4950 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
4951 (TUNE_CFV2): Redefine in terms of m68k_tune.
4952 (uarch_type, target_device, fpu_type): New enums.
4953 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
4954 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
4955 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
4956 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
4957 (FL_FOR_isa_c): New macros.
4958 (m68k_isa): New enum.
4959 (m68k_target_selection): New structure.
4960 (all_devices, all_isas, all_microarchs): New tables.
4961 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
4962 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
4963 (MASK_ALL_CPU_BITS): Delete.
4964 (m68k_find_selection): New function.
4965 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
4966 Map the legacy target options to a combination of the new ones.
4967 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
4968 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
4969 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
4970 settings.
4971 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
4972 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
4973 properties.
4974 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
4975 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
4976 * config/m68k/m68k-devices.def: New file.
4978 2007-01-12 Richard Sandiford <richard@codesourcery.com>
4979 Nathan Sidwell <nathan@codesourcery.com>
4981 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
4982 (SUBTARGET_EXTRA_SPECS): New macros.
4983 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
4984 use %(asm_cpu_spec) instead.
4985 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
4986 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
4987 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
4988 (EXTRA_SPECS): Rename to...
4989 (SUBTARGET_EXTRA_SPECS): ...this.
4991 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
4992 Richard Sandiford <richard@codesourcery.com>
4993 Julian Brown <julian@codesourcery.com>
4995 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4996 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
4997 to the configuration's default CPU.
4998 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
4999 Remove default masks.
5000 (m680[012]0-*-*): Set the default with_cpu to the first part of
5001 the target name.
5002 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
5003 (m68k*-*-linux): Extend the --with-cpu handling to...
5004 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
5005 and m68010. Don't set target_cpu_default2.
5006 * doc/install.texi: Document --with-cpu for m68k.
5007 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
5008 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
5009 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
5010 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
5011 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
5012 (ASM_SPEC): Remove use of %(asm_cpu_default).
5013 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
5014 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
5015 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
5016 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
5017 __HAVE_FPU__ if TARGET_HARD_FLOAT.
5018 (TARGET_DEFAULT): Delete.
5019 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
5020 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
5021 (CPP_CPU_SPEC): Delete.
5022 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
5023 the appropriate string.
5024 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
5025 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
5026 (ASM_SPEC): Don't use %(asm_default_spec).
5027 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5028 TARGET_DEFAULT and add MASK_68881.
5029 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
5031 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5033 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
5034 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
5035 MASK_68010 alongside MASK_68020.
5036 * doc/invoke.texi: Document -m68010.
5037 * config/m68k/m68k.opt (m68010): New.
5038 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
5039 if TUNE_68010.
5040 (TUNE_68010): New macro.
5041 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
5042 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
5043 (M68K_CPU_m68332): Add MASK_68010.
5044 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
5045 fallback definition.
5046 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
5047 defines.
5048 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
5049 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
5050 to all entries that use MASK_68020.
5051 (output_move_simode_const, output_move_himode, output_move_qimode)
5052 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
5053 instead of TARGET_68020 to select clr behavior. Remove comment
5054 about there being no TARGET_68010.
5055 * config/m68k/m68k.md: Likewise throughout.
5057 2007-01-12 Julian Brown <julian@codesourcery.com>
5059 * config/m68k/m68k.h (TARGET_ISAB): New macro.
5060 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
5061 * config/m68k/m68k.md: Likewise.
5063 2007-01-12 Julian Brown <julian@codesourcery.com>
5065 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
5066 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
5068 2007-01-12 Julian Brown <julian@codesourcery.com>
5070 * config/m68k/m68k.h (TUNE_68040_60): New macro.
5071 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
5072 * config/m68k/m68k.md: Likewise.
5074 2007-01-12 Julian Brown <julian@codesourcery.com>
5075 Richard Sandiford <richard@codesourcery.com>
5077 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
5078 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
5079 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
5080 TARGET_CPU32.
5081 (TARGET_CPU32): Rename to...
5082 (TUNE_CPU32): ...this.
5083 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
5084 (TUNE_CFV2): New macros.
5085 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
5086 remove conditions that are implied by TARGET_68020.
5087 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
5088 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
5089 (m68k_output_function_epilogue): Likewise.
5090 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
5091 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
5092 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
5093 non-68000 timings. Refactor multiplication and division costs.
5094 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
5095 TUNE_CPU32 instead of TARGET_CPU32.
5096 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
5097 and TUNE_68060 instead of TARGET_68060.
5098 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
5099 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
5100 TARGET_CPU32.
5101 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
5102 && !TARGET_COLDFIRE" to choose between moveq and clr.
5103 Likewise in the unnamed movsf pattern.
5104 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
5105 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
5106 ashiftrt pattern.
5108 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5110 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
5111 of tabbing before backslashes.
5113 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5115 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
5116 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
5117 (ASM_OUTPUT_INTERNAL_LABEL): Define.
5119 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5121 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
5122 find_interesting_uses_cond.
5123 (find_interesting_uses_cond): Use extract_cond_operands.
5124 (rewrite_use_compare): Use extract_cond_operands and
5125 force_gimple_operand_bsi. Do not call update_stmt.
5126 (determine_use_iv_cost_condition): Use extract_cond_operands.
5127 Return cheaper of using original bound and changing the exit bound.
5129 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5131 PR tree-optimization/29516
5132 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
5133 most_expensive_mult_to_index, addr_to_parts,
5134 create_mem_ref, maybe_fold_tmr): Make the type of
5135 fields of TARGET_MEM_REF sizetype.
5136 (move_fixed_address_to_symbol, move_pointer_to_base):
5137 New functions.
5138 * tree.def (TARGET_MEM_REF): Add comment on types of
5139 the operands.
5141 2007-01-11 Joseph Myers <joseph@codesourcery.com>
5143 * c-common.c (vector_types_convertible_p): Treat opaque types as
5144 always convertible if they have the same size, but not otherwise.
5146 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
5148 * ifcvt.c (struct noce_if_info): Add comments to the fields.
5149 Remove the b_unconditional field.
5150 (noce_try_sign_mask): Do not look at b_unconditional.
5151 (noce_process_if_block): Do not use merge_if_blocks. Update
5152 the CFG here. Do not set b_unconditional.
5153 (cond_move_process_if_block): Likewise.
5154 (find_cond_trap): Likewise.
5155 (check_cond_move_block): Require simple jump insns at the end
5156 of the basic block.
5158 2007-01-11 Jan Hubicka <jh@suse.cz>
5160 PR tree-optimization/1046
5161 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
5162 when alias info is not ready.
5163 (pass_tail_recursion): Do not require aliasing.
5164 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
5165 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
5166 * tree-ssa-copy.c (pass_copy_prop): Likewise.
5167 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5168 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
5169 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
5170 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
5171 before inlining.
5172 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
5173 When aliasing is not build, mark statement as volatile.
5175 2007-01-11 Tom Tromey <tromey@redhat.com>
5177 PR preprocessor/15185, PR preprocessor/20989:
5178 * doc/cppopts.texi <-MT>: Update description of algorithm for
5179 computing default target.
5180 <-M, -MD>: Reword "basename" text.
5182 2007-01-11 Roger Sayle <roger@eyesopen.com>
5184 * builtins.c (expand_builtin_pow, expand_builtin_powi,
5185 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
5186 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5187 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
5188 fold_builtin_bswap, real_constp, fold_builtin_pow,
5189 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
5190 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
5191 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5192 * convert.c (convert_to_pointer): Likewise.
5193 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
5194 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
5195 const_binop, fold_convert_const_int_from_int,
5196 fold_convert_const_int_from_real,
5197 fold_convert_const_real_from_real, sign_bit_p,
5198 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5199 fold_sign_changed_comparison, fold_unary, fold_comparison,
5200 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5201 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5202 * print-tree.c (print_node_brief, print_node): Likewise.
5203 * stor-layout.c (place_field, layout_type): Likewise.
5204 * tree-chrec.c (keep_cast): Likewise.
5205 * tree.c (build_vector, build_real, build_real_from_int_cst,
5206 build_complex): Likewise.
5208 2007-01-11 Roger Sayle <roger@eyesopen.com>
5210 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
5211 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5213 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
5215 * configure.ac (strict1_warn): Rename to strict_warn.
5216 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5217 cc_set_by_configure, quoted_cc_set_by_configure,
5218 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5219 all_boot_languages, all_stagestuff): Remove.
5220 (target_list): Remove bootstrap targets.
5221 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5222 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5223 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5224 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5225 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5226 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5227 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5228 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5229 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5230 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5231 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5232 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5233 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5234 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5235 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5236 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5237 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5238 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5239 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5240 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5241 (mostlyclean): Adjust.
5242 (clean, distclean): Don't mention bootstrap stuff.
5243 * configure: Regenerate.
5244 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5245 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5246 treelang/config-lang.in (stagestuff): Remove.
5247 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5248 stageprofile, stagefeedback, stagestuff): Remove mention.
5250 2007-01-11 Nick Clifton <nickc@redhat.com>
5252 * config/mcore/predicates.md (mcore_general_movesrc_operand):
5253 Accept CONSTs.
5254 (mcore_general_movdst_operand): Do not accept CONST_INTs.
5255 (mcore_arith_K_S_operand): Run the test for the S constraint not
5256 the test for the M constraint.
5257 (mcore_addsub_operand): Do not accept integer values that are
5258 larger than 32 bits.
5259 * config/mcore/mcore.md: Remove unused constraints from split.
5260 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5261 (addsi3): Likewise.
5262 (allocate_stack): Likewise.
5263 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5264 operands to 32 bits.
5265 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5266 INTVAL.
5267 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5268 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5269 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5270 mcore_output_bclri, mcore_output_andn, output_inline_const,
5271 mcore_output_move, mcore_output_movedouble): Likewise.
5272 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5273 (output_inline_const): Likewise.
5274 (output_inline_const): Fix format strings used in sprintf
5275 statements.
5276 * config/mcore/mcore-protos.h: Update prototypes for changed
5277 functions in mcore.c.
5278 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5279 HOST_WIDE_INT and not int.
5280 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5281 CONST_OK_FOR_N): Likewise.
5282 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5283 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5284 an INTVAL.
5286 2007-01-10 Jan Hubicka <jh@suse.cz>
5288 * tree-vrp.c (remove_range_assertions): Release defs.
5289 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5290 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5292 2007-01-10 Paul Brook <paul@codesourcery.com>
5294 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5295 * config/arm/arm.md (mulsi3subsi): New insn.
5297 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
5299 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5300 (tree_transform_and_unroll_loop): New.
5301 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5302 Declare.
5304 2007-01-10 Robert Kennedy <jimbob@google.com>
5306 * fold-const.c (fold_comparison): Fold comparisons like (x *
5307 1000 < 0) to (x < 0).
5309 2007-01-10 Ian Lance Taylor <iant@google.com>
5311 * tree-pretty-print.c (dump_generic_node): Print parentheses when
5312 operands have the same priority.
5314 2007-01-10 Tom Tromey <tromey@redhat.com>
5316 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5317 (fold_binary): Likewise.
5318 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5319 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5320 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5321 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5322 * langhooks.h (struct lang_hooks): Removed field
5323 'can_use_bit_fields_p'.
5325 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
5327 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5329 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
5331 * function.c (get_last_funcdef_no): New function.
5332 * function.h (get_last_funcdef_no): Declare.
5333 * tree-inline.c (initialize_cfun): Add initialization.
5334 (tree_function_versioning): Cleanup.
5336 2007-01-10 Jan Hubicka <jh@suse.cz>
5338 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5339 PHIs.
5341 2007-01-10 Sa Liu <saliu@de.ibm.com>
5342 Ben Elliston <bje@au.ibm.com>
5344 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5345 for SAVE_NONLOCAL and Pmode for any other save level.
5346 * spu-protos.h (spu_restore_stack_block): Declare.
5347 * spu.md (save_stack_block): Remove.
5348 (restore_stack_block): Call spu_restore_stack_block.
5349 * spu.c (spu_restore_stack_block): New function.
5350 (spu_expand_epilogue): Remove old comment.
5352 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
5354 PR tree-optimization/30322
5355 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5356 (cand_value_at): Return the value as aff_tree.
5357 (may_eliminate_iv): Convert the bound from aff_tree to tree.
5358 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5359 aff_combination_mult): New functions.
5360 (aff_combination_add): Use aff_combination_add_cst.
5361 (aff_combination_convert): Allow conversions to a wider type.
5362 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5363 * tree-affine.h (aff_combination_mult): Declare.
5365 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
5367 * doc/tm.texi: Update documentation to reflect reality of exec
5368 and start file search behaviours. Update copyright year.
5369 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5370 header file directories.
5372 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
5374 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5375 (*cosxf2): Rename to cosxf2_i387.
5376 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
5377 using X87MODEF12 mode macro. Rename patterns to
5378 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
5379 for SSE math.
5380 (*cosdf2, *cossf2): Ditto.
5381 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
5382 to match extended input operands.
5383 (sincos<mode>3): New expander.
5384 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5385 insn patterns and corresponding splitters.
5387 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
5389 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5390 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5392 2007-01-09 Nicolas Pitre <nico@cam.org>
5394 PR target/30173
5395 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5397 2007-01-08 Geoffrey Keating <geoffk@apple.com>
5399 * target.h (struct gcc_target): New field library_rtti_comdat.
5400 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5401 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5402 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5403 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5405 2007-01-08 Geoffrey Keating <geoffk@apple.com>
5407 * doc/invoke.texi (Optimize Options): Correct description of -O0.
5409 2007-01-08 Richard Guenther <rguenther@suse.de>
5411 * tree.h (force_fit_type_double): Export.
5412 (force_fit_type): Remove.
5413 * fold-const.c (force_fit_type_double): New function.
5414 (force_fit_type): Remove.
5415 (int_const_binop): Use it.
5416 (fold_convert_const_int_from_int): Likewise.
5417 (fold_convert_const_int_from_real): Likewise.
5418 (fold_div_compare): Likewise.
5419 (fold_sign_changed_comparison): Likewise.
5420 (fold_unary): Likewise.
5421 (fold_negate_const): Likewise.
5422 (fold_abs_const): Likewise.
5423 (fold_not_const): Likewise.
5424 * c-common.c (shorten_compare): Use force_fit_type_double.
5425 * convert.c (convert_to_pointer): Likewise.
5427 2007-01-08 Richard Guenther <rguenther@suse.de>
5429 * tree.h (build_int_cst_wide_type): Export.
5430 * tree.c (build_int_cst_wide_type): New function.
5431 (build_int_cst_wide): Fix comment.
5432 * builtins.c (fold_builtin_object_size): Use build_int_cst
5433 to build -1 or 0 of the correct type. Use fit_double_type
5434 to check for overflow.
5435 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5436 to build the mask.
5437 (decode_field_reference): Likewise.
5438 (all_ones_mask_p): Likewise.
5439 (native_interpret_int): Use build_int_cst_wide_type.
5440 (fold_binary): Use build_int_cst_type to build an all-ones
5441 value.
5442 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5444 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
5446 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5448 2007-01-09 Ben Elliston <bje@au.ibm.com>
5450 * genautomata.c (STATS_OPTION): New option.
5451 (stats_flag): New flag.
5452 (gen_automata_option): Handle it.
5453 (initiate_automaton_gen): Ditto.
5454 (write_automata): Output statistics only if stats_flag is
5455 set. Likewise, output time statistics only if time_flag is set.
5456 * doc/md.texi (Processor pipeline description): Document new flag.
5458 2007-01-08 Richard Guenther <rguenther@suse.de>
5460 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5461 * tree.c (build_int_cst_type): Likewise.
5462 (size_in_bytes): Don't call force_fit_type on the result.
5463 (int_fits_type_p): Use fit_double_type.
5464 * fold-const.c (fit_double_type): New function.
5465 (force_fit_type): Use it.
5466 * tree.h (fit_double_type): Export.
5468 2007-01-08 Jan Hubicka <jh@suse.cz>
5470 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5471 * ipa.c (function_and_variable_visibility): Fix return type.
5473 2007-01-08 Richard Guenther <rguenther@suse.de>
5475 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5476 of offset to build the index.
5477 * tree-pretty-print.c (dump_generic_node): Don't build negated
5478 const just for printing.
5479 * c-pretty-print.c (pp_c_integer_constant): Likewise.
5480 * builtins.c (fold_builtin_int_roundingfn): Check if result
5481 fits the type by using force_fit_type and comparing the result.
5482 * predict.c (predict_loops): Use compare_tree_int for comparison.
5483 * tree.c (build_int_cst): Fall back to integer_type_node for
5484 NULL_TREE type.
5485 (build_int_cst_wide): Assert type is non-null.
5487 2007-01-08 Roberto Costa <roberto.costa@st.com>
5489 * tree-vrp.c (extract_range_from_cond_expr): New.
5490 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5491 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5492 as expressions.
5493 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5494 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5495 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5496 used as expressions.
5497 * tree-object-size.c (cond_expr_object_size): New.
5498 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5500 2007-01-08 Jan Hubicka <jh@suse.cz>
5502 * tree-ssa-forwprop.c (forward_propagate_into_cond,
5503 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5504 statement.
5506 2007-01-08 Richard Guenther <rguenther@suse.de>
5508 PR tree-optimization/23603
5509 * tree-vrp.c (set_value_range_to_truthvalue): New function.
5510 (extract_range_from_binary): Fall back to truthvalue instead of
5511 varying for TRUTH_*_EXPR.
5512 (extract_range_from_comparison): Fall back to truthvalue instead of
5513 varying.
5514 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
5515 if all visited PHI values were constant.
5517 2007-01-08 Jan Hubicka <jh@suse.cz>
5519 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
5520 (cgraph_analyze_function): break out from ...
5521 (cgraph_finalize_compilation_unit): ... here.
5522 (cgraph_expand_function): Remove forgoten commented out line.
5523 (cgraph_optimize): Analyze functions.
5525 2007-01-08 Jan Hubicka <jh@suse.cz>
5527 * tree-pas.h (TODO_remove_function): New flag.
5528 (TODO_update*): Renumber.
5529 (pass_ipa_increase_alignment,
5530 pass_ipa_function_and_variable_visibility): New passes.
5531 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
5532 (cgraph_function_and_variable_visibility): Move to ipa.c
5533 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
5534 cgraph_increase_alignment.
5535 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
5536 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
5537 calling tree-inline.
5538 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
5539 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
5540 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
5541 (gate_increase_alignment): New function.
5542 (pass_ipa_increase_alignment): New pass.
5543 * ipa.c: Inline tree-pass.h and timevar.h
5544 (function_and_variable_visibility): Move here from cgraphunit.c
5545 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
5546 * passes.c (init_optimization_passes): Add the two new passes.
5547 (execute_todo): Handle cgraph_remove_functions.
5549 2007-01-08 Nick Clifton <nickc@redhat.com>
5551 * config/frv/predicates.md (reg_or_0_operand): Accept
5552 CONST_DOUBLEs.
5554 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
5556 * config/bfin/rtems.h, config/bfin/t-rtems: New.
5557 * config.gcc: Add bfin*-rtems*.
5559 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
5561 * c.opt: Add -flax-vector-conversions.
5562 * c-typeck.c (convert_for_assignment): Pass flag to
5563 vector_types_convertible_p to allow emission of note.
5564 (digest_init): Likewise.
5565 * c-opts.c: Handle -flax-vector-conversions.
5566 * c-common.c (flag_lax_vector_conversions): New.
5567 (vector_types_convertible_p): Unless -flax-vector conversions
5568 has been passed, disallow conversions between vectors with
5569 differing numbers of subparts and/or element types. If such
5570 a conversion is disallowed, possibly emit a note on the first
5571 occasion only to inform the user of -flax-vector-conversions.
5572 The new last argument specifies this.
5573 * c-common.h (flag_lax_vector_conversions): New.
5574 (vector_types_convertible_p): Add extra argument.
5575 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
5576 char_type_node for V*QI type vectors.
5577 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
5578 Update to satisfy new typechecking rules.
5579 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
5580 C and C++ variants.
5581 * doc/invoke.texi (C Dialect Options): Document
5582 -flax-vector-conversions.
5584 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
5586 PR tree-optimization/29877
5587 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
5588 a register variable on the RHS to not be replaceable.
5590 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
5591 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
5592 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
5593 const_simm15, const_pow2, const_npow2): Added.
5594 * config/score/misc.md (insv, extv, extzv, movmemsi,
5595 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
5596 * config/score/score.c (score_address_cost, score_select_cc_mode):
5597 Added.
5598 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
5599 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
5600 Update score_print_operand.
5601 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
5602 Adjust register allocate order and update some macro define.
5603 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
5604 mdx_block_move_straight, mdx_block_move_loop_head,
5605 mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
5606 mdx_block_move): Added.
5607 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
5608 mdp_limm): Updated and fix some bug and typo.
5609 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
5610 (movsf, movdf, doloop_end): Added.
5612 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
5614 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
5615 config/arm/thumb2.md: Fix comment typos.
5616 * doc/extend.texi: Fix a typo.
5618 2007-01-07 Eric Christopher <echristo@apple.com>
5620 * configure.ac: Check for __stack_chk_fail for darwin.
5621 * configure: Regenerate.
5623 2007-01-07 Richard Guenther <rguenther@suse.de>
5625 * tree-vrp.c (extract_range_from_assert): CSE calls to
5626 compare_values where possible.
5627 (extract_range_from_unary_expr): Likewise.
5629 2007-01-07 Anatoly Sokolov <aesok@post.ru>
5631 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
5632 * config/avr/avr.c (call_insn_operand): Delete function.
5633 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
5634 instead of register number. Use predicates.
5635 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
5636 call_insn_operand): Add.
5638 2007-01-06 Jan Hubicka <jh@suse.cz>
5640 * tree-pass.h (pass_build_cgraph_edges): Declare.
5641 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
5642 (visited_nodes): Remove.
5643 (cgraph_create_edges): Move to cgraphbuild.c; rename to
5644 build_cgrpah_edges; make visited_nodes local.
5645 (cgraph_process_new_functions): DO not call initialize_inline_failed.
5646 (record_references_in_initializer): Move to cgraphbuild.c
5647 (initialize_inline_failed, rebuild_cgraph_edges,
5648 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
5649 (verify_cgraph_node): Make visited_nodes local.
5650 (cgraph_analyze_function): Do not call cgraph_create_edges and
5651 initialize_inline_failed.
5652 (cgraph_expand_function): Do not call cgraph_lower_function;
5653 assert that function is already lowered.
5654 * Makefile.in (cgraphbuild.o): New.
5655 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
5656 at the end of lowering passes.
5658 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
5660 * ifcvt.c (cond_move_convert_if_block): New function, code
5661 factored out from...
5662 (cond_move_process_if_block): ...here. Call the new function
5663 on the THEN and ELSE blocks.
5664 (merge_if_block): Do not copy global_live_at_end, merge_blocks
5665 already takes care of this.
5667 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5669 PR c/19978
5670 * tree.h (TREE_OVERFLOW_P): New.
5671 * c-typeck.c (parser_build_unary_op): Warn only if result
5672 overflowed and operands did not.
5673 (parser_build_binary_op): Likewise.
5674 (convert_for_assignment): Remove redundant overflow_warning.
5675 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
5677 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5679 * c-typeck.c (store_init_value): Split over two lines to follow
5680 the GNU coding style.
5682 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
5684 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
5685 __GXX_EXPERIMENTAL_CXX0X__.
5686 * doc/cpp.texi: Same.
5688 2007-01-05 Richard Guenther <rguenther@suse.de>
5690 PR middle-end/27826
5691 * tree.c (get_narrower): Do not construct COMPONENT_REFs
5692 with mismatched types. Instead explicitly build a
5693 conversion NOP_EXPR.
5695 2007-01-05 Ian Lance Taylor <iant@google.com>
5697 * c-common.c (decl_with_nonnull_addr_p): New function.
5698 (c_common_truthvalue_conversion): Call it.
5699 * c-typeck.c (build_binary_op): Likewise.
5700 * c-common.h (decl_with_nonnull_addr_p): Declare.
5702 2007-01-05 Jakub Jelinek <jakub@redhat.com>
5704 PR c/30360
5705 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
5706 denom against 0.0.
5708 2007-01-05 Joel Brobecker <brobecker@adacore.com>
5710 * doc/install.texi (Final install): Document the fact that
5711 the GNAT runtime should not be stripped.
5713 2007-01-04 Jan Hubicka <jh@suse.cz>
5715 * tree-inline.c (fold_marked_statements): Update operand caches
5716 and EH after folding
5718 2007-01-04 Ian Lance Taylor <iant@google.com>
5720 * c-common.c (check_function_nonnull): Whitespace fix.
5722 2007-01-04 Jan Hubicka <jh@suse.cz>
5724 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
5725 comitted older version of patch.
5726 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
5727 function, celanup cfg and collect garbage.
5729 2007-01-04 Mike Stump <mrs@apple.com>
5731 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
5732 (clean): Likewise.
5734 2007-01-04 Eric Christopher <echristo@apple.com>
5736 * libgcc2.c (__bswapsi2): Use SItype.
5737 (__bswapdi2): Use DItype.
5738 * libgcc2.h: Update for above.
5740 2007-01-04 Paul Brook <paul@codesourcery.com>
5742 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
5743 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
5744 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
5745 umulsidi3, umulsidi3adddi, smulsi3_highpart,
5746 umulsi3_highpart): Make conditional on !arm_arch6.
5747 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
5748 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
5749 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
5750 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
5751 umulsi3_highpart_v6): New insns.
5753 2007-01-04 Roger Sayle <roger@eyesopen.com>
5755 * fold-const.c (fold_convert): When casting an expression to void,
5756 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
5757 have a type. Instead of attempting to build a NOP_EXPR, return
5758 these "special" trees directly.
5760 2007-01-04 Joseph Myers <joseph@codesourcery.com>
5762 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
5763 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
5764 rs6000_cost->fp not 0 as adjustment for outer NEG.
5766 2007-01-04 Jan Hubicka <jh@suse.cz>
5768 * cgraph.c (cgraph_release_function_body): New function.
5769 (cgraph_remove_node): Use it.
5770 * cgraph.h (cgraph_release_function_body): Declare.
5771 * cgraphunit.c (cgraph_expand_function): Use it.
5772 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
5773 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
5774 is initialized and while compilation of other function is running.
5775 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
5776 statement CFG annotations from here to ...
5777 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
5779 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
5781 * cfgloop.h (enum li_flags): Make the constants powers of two.
5783 2007-01-04 Jan Hubicka <jh@suse.cz>
5785 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
5786 set.
5787 (fold_marked_statements): New function.
5788 (optimize_inline_calls, tree_function_versioning): Fold new statements.
5789 * tree-inline.h (copy_body_data): Add statements_to_fold.
5791 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
5793 * config.gcc: Mention libgcc/config.host.
5794 * Makefile.in: Update comments mentioning libgcc.
5795 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
5796 (all.cross, start.encap, rest.encap, rest.cross): Update
5797 dependencies for libgcc move.
5798 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
5799 (clean-target, clean-target-libgcc): Delete.
5800 (srcdirify, GCC_EXTRA_PARTS): New macros.
5801 (libgcc-support, libgcc.mvars): New rules.
5802 (distclean): Remove mention of mklibgcc.
5803 (install): Don't reference INSTALL_LIBGCC.
5804 (install-common): Don't reference EXTRA_PARTS.
5805 (install-libgcc, install-multilib): Delete rules.
5806 * mklibgcc.in: Delete file.
5807 * doc/configfiles.texi: Don't mention mklibgcc.
5809 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
5810 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
5811 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
5812 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
5813 (mklibgcc, ldblspecs): Likewise.
5815 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
5816 (posixpre.def): Use $(T).
5817 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
5818 (SHLIB_SRC, SHLIB_INSTALL): Delete.
5819 (SHLIB_LINK): Make dummy.
5820 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
5822 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
5824 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
5825 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
5826 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
5827 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
5829 * configure.ac (all_outputs): Remove mklibgcc.
5830 * configure: Regenerated.
5832 2007-01-03 Josh Conner <jconner@apple.com>
5834 PR middle-end/29683
5835 * calls.c (compute_argument_addresses): Set stack and stack_slot
5836 for partial args, too.
5837 (store_one_arg): Use locate.size.constant for the size when
5838 generating a save_area.
5840 2007-01-03 Robert Kennedy <jimbob@google.com>
5842 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
5843 whose definitions are deleted due to basic block merging.
5845 2007-01-03 Paul Brook <paul@codesourcery.com>
5847 PR target/16634
5848 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
5849 functions.
5850 (use_return_insn): Return 0 for Thumb interrupt functions.
5851 (print_multi_reg): Add rfe argument for IRQ returns.
5852 (arm_output_epilogue): Pop interrupt return address directly into PC.
5853 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
5855 2007-01-03 Paul Brook <paul@codesourcery.com>
5857 Merge from sourcerygxx-4_1.
5858 * config/arm/thumb2.md: New file.
5859 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
5860 Thumb-2.
5861 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
5862 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
5863 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
5864 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
5865 tables.
5866 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
5867 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
5868 comptibility.
5869 * config/arm/ieee754-sf.S: Ditto.
5870 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
5871 (thumb1_base_register_rtx_p): ... to this.
5872 (thumb_index_register_rtx_p): Rename...
5873 (thumb1_index_register_rtx_p): ... to this.
5874 (thumb_output_function_prologue): Rename...
5875 (thumb1_output_function_prologue): ... to this.
5876 (thumb_legitimate_address_p): Rename...
5877 (thumb1_legitimate_address_p): ... to this.
5878 (thumb_rtx_costs): Rename...
5879 (thumb1_rtx_costs): ... to this.
5880 (thumb_compute_save_reg_mask): Rename...
5881 (thumb1_compute_save_reg_mask): ... to this.
5882 (thumb_final_prescan_insn): Rename...
5883 (thumb1_final_prescan_insn): ... to this.
5884 (thumb_expand_epilogue): Rename...
5885 (thumb1_expand_epilogue): ... to this.
5886 (arm_unwind_emit_stm): Rename...
5887 (arm_unwind_emit_sequence): ... to this.
5888 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
5889 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
5890 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
5891 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
5892 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
5893 thumb2_output_casesi): New functions.
5894 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
5895 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
5896 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
5897 THUMB2_WORK_REGS): Define.
5898 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
5899 arm_condexec_mask, arm_condexec_masklen)): New variables.
5900 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
5901 (arm_override_options): Check new CPU capabilities.
5902 Set new architecture flag variables.
5903 (arm_isr_value): Handle v7m interrupt functions.
5904 (user_return_insn): Return 0 for v7m interrupt functions. Handle
5905 Thumb-2.
5906 (const_ok_for_arm): Handle Thumb-2 constants.
5907 (arm_gen_constant): Ditto. Use movw when available.
5908 (arm_function_ok_for_sibcall): Return false for v7m interrupt
5909 functions.
5910 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
5911 (thumb_find_work_register, arm_load_pic_register,
5912 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
5913 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
5914 print_multi_reg, output_mov_long_double_fpa_from_arm,
5915 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
5916 output_mov_double_fpa_from_arm, output_move_double,
5917 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
5918 output_return_instruction, arm_output_function_prologue,
5919 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
5920 arm_output_mi_thunk, thumb_set_return_address): Ditto.
5921 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
5922 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
5923 (arithmetic_instr, shift_op): Use arm_shift_nmem.
5924 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
5925 '!' and 'L'.
5926 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
5927 (thumb_expand_prologue): Use thumb_set_frame_pointer.
5928 (arm_file_start): Output directive for unified syntax.
5929 (arm_unwind_emit_set): Handle stack alignment instruction.
5930 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
5931 Add v6t2, v7, v7a, v7r and v7m.
5932 (RETLDM): Add Thumb-2 code.
5933 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
5934 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
5935 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
5936 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
5937 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
5938 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
5939 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
5940 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
5941 ADJUST_INSN_LENGTH): Define.
5942 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
5943 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
5944 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
5945 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
5946 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
5947 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
5948 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
5949 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
5950 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
5951 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
5952 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
5953 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
5954 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
5955 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
5956 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
5957 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
5958 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
5959 cortex-m3.
5960 * config/arm/arm-tune.md: Regenerate.
5961 * config/arm/arm-protos.h: Update prototypes.
5962 * config/arm/vfp.md: Enable patterns for Thumb-2.
5963 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
5964 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
5965 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
5966 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
5967 * config/arm/libunwind.S: Add Thumb-2 code.
5968 * config/arm/constraints.md: Update include Thumb-2.
5969 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
5970 * config/arm/ieee754-df.S: Ditto.
5971 * config/arm/bpabi.S: Ditto.
5972 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
5973 * config/arm/predicates.md (low_register_operand,
5974 low_reg_or_int_operand, thumb_16bit_operator): New.
5975 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
5976 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
5977 * config/arm/t-arm-elf: Add armv7 multilib.
5978 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
5979 Include thumb2.md.
5980 (UNSPEC_STACK_ALIGN, ce_count): New.
5981 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
5982 arm_zero_extendsidi2, arm_zero_extendqidi2): New
5983 insns/expanders.
5984 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
5985 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
5986 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
5987 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
5988 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
5989 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
5990 insns.
5991 * doc/extend.texi: Document ARMv7-M interrupt functions.
5992 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
5994 2007-01-03 Jakub Jelinek <jakub@redhat.com>
5996 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
5997 (struct _Unwind_Context): Rename args_size to flags, remove
5998 signal_frame field, add a new args_size field and version field.
5999 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
6000 _Unwind_IsExtendedContext): New inline functions.
6001 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6002 Assume by_value array is only present if _Unwind_IsExtendedContext.
6003 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
6004 _Unwind_IsSignalFrame.
6005 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
6006 (uw_update_context_1): Use _Unwind_SetSignalFrame.
6007 (uw_init_context_1): Initialize context->flags to
6008 EXTENDED_CONTEXT_BIT.
6009 * config/rs6000/linux-unwind.h (frob_update_context): Use
6010 _Unwind_SetSignalFrame.
6012 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
6014 PR middle-end/30353
6015 * gimplify.c (gimplify_modify_expr_complex_part): Move below
6016 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
6017 the value.
6019 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
6021 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
6022 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
6023 RET, AT_SP): Remove.
6024 * config/i386/i386.md (*sse_prologue_save_insn): Use return
6025 instead of RET.
6027 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6028 * cfgbuild.c (find_basic_blocks): Likewise.
6029 * cfgrtl.c (rtl_create_basic_block): Likewise.
6030 * function.c (temp_slots_at_level): Likewise.
6031 * reg-stack.c (stack_regs_mentioned): Likewise.
6032 * regclass.c (allocate_reg_info): Likewise.
6033 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6034 set_bb_for_stmt, move_block_to_fn): Likewise.
6035 * tree-complex.c (tree_lower_complex): Likewise.
6036 * vec.h (VEC_safe_grow_cleared): New.
6038 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
6040 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
6042 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
6043 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
6044 to loop_version.
6045 * cfgloopmanip.c (scale_loop_frequencies): Export.
6046 (loopify): Scale the frequencies by prescribed coefficients.
6047 (set_zero_probability): New function.
6048 (duplicate_loop_to_header_edge): Improve updating of frequencies.
6049 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
6050 and frequencies according to arguments.
6051 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
6052 correctly.
6053 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
6054 * modulo-sched.c (sms_schedule): Set probabilities for entering
6055 versioned loop correctly.
6056 * tree-vect-transform.c (vect_transform_loop): Ditto.
6057 * cfgloop.h (loopify, loop_version): Declaration changed.
6058 (scale_loop_frequencies): Declared.
6060 2007-01-02 Jan Hubicka <jh@suse.cz>
6062 * cgraph.c: Include tree-flow.h
6063 (cgraph_add_new-function): Handle IPA_SSA mode; execute
6064 early_local_passes.
6065 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
6066 * tree-pass.h (pass_all_early_optimizations): Declare.
6067 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
6068 early_local_passes.
6069 (cgraph_analyze_function): Do early_local_passes.
6070 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6071 Do not add referenced vars.
6072 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
6073 SSA form.
6074 (gate_all_early_local_passes): New gate.
6075 (pass_early_local_passes): Use new gate.
6076 (execute_early_local_optimizations): New functions.
6077 (gate_all_early_optimizations): New gate.
6078 (pass_all_early_optimizations): New pass.
6079 (execute_free_datastructures): Free SSA only when initialized.
6080 (gate_init_datastructures): Init only when optimizing.
6081 (tree_lowering_passes): Do early local passes when called late.
6082 * tree-profile.c (do_tree_profiling): Don't profile functions added
6083 late.
6084 (do_early_tree_profiling, pass_early_tree_profile): Kill.
6085 * tree-cfg.c (update_modified_stmts): Do not update when operands are
6086 not active.
6087 * passes.c (init_optimizations_passes): Reorder so we go into SSA
6088 during early_local_passes.
6089 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
6092 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
6094 * Makefile.in: Update copyright year.
6096 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
6098 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
6099 in $(lang_checks) and check-consistency targets.
6101 2007-01-02 Jan Hubicka <jh@suse.cz>
6103 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6104 Do not add referenced vars.
6105 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
6106 are not active.
6107 * passes.c (init_optimization_passes): Put mudflap_2 after
6108 free_datastructures.
6110 2007-01-02 Jan Hubicka <jh@suse.cz>
6112 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
6113 Set NOTHROW flag on call statements proved to be nothrow.
6114 Update statement of local calls so new pure/const functions are
6115 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
6116 goto receivers.
6117 (tree_rest_of_compilation): Register hooks and initialize bitmap
6118 early. Do not set after_inlining flag.
6120 2007-01-02 Steve Ellcey <sje@cup.hp.com>
6122 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
6123 HOST_BITS_PER_LONGLONG
6125 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6127 PR c/19977
6128 * c-typeck.c (store_init_value): Don't emit pedantic overflow
6129 warning for non-static initializers.
6131 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
6133 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
6134 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
6135 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
6136 Always use set_unique_reg_note to add REG_EQUAL notes.
6138 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
6140 Revert:
6141 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
6143 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6144 * cfgbuild.c (find_basic_blocks): Likewise.
6145 * cfgrtl.c (rtl_create_basic_block): Likewise.
6146 * function.c (temp_slots_at_level): Likewise.
6147 * reg-stack.c (stack_regs_mentioned): Likewise.
6148 * regclass.c (allocate_reg_info): Likewise.
6149 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6150 set_bb_for_stmt, move_block_to_fn): Likewise.
6151 * tree-complex.c (tree_lower_complex): Likewise.
6152 * vec.h (VEC_safe_grow_cleared): New.
6154 2007-01-02 Ian Lance Taylor <iant@google.com>
6156 * c-common.c (c_common_truthvalue_conversion): When warning about
6157 using an assignment as a truth value, set TREE_NO_WARNING.
6159 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6161 PR middle-end/7651
6162 * c.opt (Wold-style-declaration): New.
6163 * doc/invoke.texi (C-only Warning Options): New.
6164 (Wold-style-declaration): Document it.
6165 (Wextra): Enabled by -Wextra.
6166 * c-opts.c (c_common_post_options): Enabled by -Wextra.
6167 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
6168 -Wold-style-declaration.
6170 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
6172 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6173 * cfgbuild.c (find_basic_blocks): Likewise.
6174 * cfgrtl.c (rtl_create_basic_block): Likewise.
6175 * function.c (temp_slots_at_level): Likewise.
6176 * reg-stack.c (stack_regs_mentioned): Likewise.
6177 * regclass.c (allocate_reg_info): Likewise.
6178 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6179 set_bb_for_stmt, move_block_to_fn): Likewise.
6180 * tree-complex.c (tree_lower_complex): Likewise.
6181 * vec.h (VEC_safe_grow_cleared): New.
6183 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
6185 * c-common.c (c_common_nodes_and_builtins): Since variants of
6186 void_type_node get built before it is given a name, we need to
6187 give those variants the name, too.
6188 (complete_array_type): We need to work with the canonical main
6189 type of the array, from which we will build the qualified version.
6190 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
6191 * print-tree.c (print_node): Display canonical type information
6192 for each type.
6193 * stor-layout.c (layout_type): When we don't know the
6194 alignment of a type for which we're building an array, we end up
6195 guessing wrong, so make the type require structural equality.
6196 * tree.c (make_node_stat): When we build a new type, it is its
6197 own canonical type.
6198 (build_type_attribute_qual_variant): When building an attribute
6199 variant, its canonical type is the non-attribute variant. However,
6200 if the attributes are target-dependent and they differ, we need to
6201 use structural equality checks for this type.
6202 (build_qualified_type): A qualified type is not equivalent to its
6203 unqualified variant; set the canonical type appropriately.
6204 (build_distinct_type_copy): When building a distinct type from
6205 another type, the new type is its own canonical type.
6206 (build_variant_type_copy): When building a new type variant, we
6207 assume that it is equivalent to the original type.
6208 (build_pointer_type_for_mode): When building a pointer type, also
6209 build a canonical type pointer.
6210 (build_reference_type_for_mode): When building a reference type,
6211 also build a canonical type reference.
6212 (build_index_type): When we can't hash an index type (e.g.,
6213 because its maximum value is negative), the index type requires
6214 structural equality tests.
6215 (build_array_type): Build the canonical form of an array type.
6216 (build_function_type): Function types require structural equality,
6217 because they contain default arguments, attributes, etc.
6218 (build_method_type_directly): Ditto for method types.
6219 (build_offset_type): Build the canonical offset type.
6220 (build_complex_type): Build the canonical vector type.
6221 (make_vector_type): Build the canonical vector type.
6222 * tree.h (TYPE_CANONICAL): New.
6223 (TYPE_STRUCTURAL_EQUALITY_P): New.
6224 (SET_TYPE_STRUCTURAL_EQUALITY): New.
6225 (struct tree_type): Added "canonical" field.
6226 * params.h (VERIFY_CANONICAL_TYPES): New.
6227 * doc/c-tree.texi (TYPE_CANONICAL): Document.
6228 (TYPE_STRUCTURAL_EQUALITY_P): Document.
6229 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6230 * doc/invoke.texi (verify-canonical-types): Document --param
6231 parameter for verifying canonical types.
6233 2007-01-02 Joseph Myers <joseph@codesourcery.com>
6235 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6236 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6237 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6238 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6239 tm_file.
6240 * config/rs6000/e500.h: New.
6241 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6242 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6243 Remove.
6244 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6245 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6246 TARGET_E500_DOUBLE): Remove.
6247 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6248 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6249 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6250 * config/rs6000/rs6000.c (rs6000_override_options): Use
6251 CHECK_E500_OPTIONS.
6253 2007-01-02 Joseph Myers <joseph@codesourcery.com>
6255 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6256 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6257 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6258 rs6000_emit_cmove): Don't check TARGET_E500.
6259 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6260 sordered): Don't check TARGET_E500.
6262 2007-01-01 Eric Christopher <echristo@apple.com>
6264 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6265 HARD_REGISTER_NUM_P.
6267 2007-01-01 Roger Sayle <roger@eyesopen.com>
6269 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6270 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6271 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6272 eq/ne Y".
6274 2007-01-01 Mike Stump <mrs@apple.com>
6276 * configure.ac: Remove support for building with Apple's gcc-3.1.
6278 2007-01-02 Joseph Myers <joseph@codesourcery.com>
6280 PR middle-end/30311
6281 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6282 REG is a hard register. Do not modify REG before calling
6283 subreg_nregs.
6284 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6285 multiple of the size of YMODE for certain lowpart cases.
6287 2007-01-01 Andrew Pinski <pinskia@gmail.com>
6289 PR middle-end/30253
6290 * gimplify (voidify_wrapper_expr): Update for
6291 GIMPLE_MODIFY_STMT.
6293 2007-01-01 Andreas Schwab <schwab@suse.de>
6295 PR target/29166
6296 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6297 save of BR0 in extra_spill_size instead of spill_size.
6298 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6299 area.
6300 (ia64_expand_epilogue): Restore BR0 from its new location.
6302 2007-01-01 Andrew Pinski <pinskia@gmail.com>
6304 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6305 Use a temporary variable if the left hand side is not a gimple
6306 register.
6308 2007-01-01 Andrew Pinski <pinskia@gmail.com>
6310 * gimplify.c (gimplify_return_expr): Make the temporary variable
6311 for the return expression, a gimple register variable.
6313 2007-01-01 Jan Hubicka <jh@suse.cz>
6315 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6316 INSN_LIST.
6318 2007-01-01 Mike Stump <mrs@apple.com>
6320 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6321 .literal16.
6322 * config/darwin.c (machopic_select_rtx_section): Use
6323 HAVE_GAS_LITERAL16.
6324 (darwin_mergeable_constant_section): Likewise.
6325 * configure: Regenerate.
6326 * config.in: Regenerate.
6328 2007-01-01 Jan Hubicka <jh@suse.cz>
6329 Andrew Pinski <pinskia@gmail.com>
6331 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6332 before starting IPA passes.