1 2007-02-24 Bernd Schmidt <bernd.schmidt@analog.com>
3 * loop-iv.c (implies_p): Detect additional cases where A implies B.
4 (determine_max_iter): Take additional LOOP arg; all callers changed.
5 Lose broken logic dealing with PLUS. Try to limit the upper bound by
6 one using simplifications.
7 (simplify_using_initial_values): Return if the expression becomes
8 invalid due to altered regs.
10 2007-02-23 DJ Delorie <dj@redhat.com>
12 * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
14 2007-02-23 Mike Stump <mrs@apple.com>
16 * tlink.c (scan_linker_output): Parse linker messages from
17 darwin9's linker better.
19 2007-02-23 Steve Ellcey <sje@cup.hp.com>
22 * varpool.c (varpool_assemble_pending_decls): Set
23 varpool_last_needed_node to null.
25 2007-02-23 DJ Delorie <dj@redhat.com>
27 * config/i386/i386.c (ix86_data_alignment): Don't specify an
28 alignment bigger than the object file can handle.
30 2007-02-23 Uros Bizjak <ubizjak@gmail.com>
33 * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
34 zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
35 (*movsf_1): Penalize MMX moves.
37 2007-02-23 Bernd Schmidt <bernd.schmidt@analog.com>
39 * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
40 2^32-1 or more times unless flag_unsafe_loop_optimizations.
42 * loop-iv.c (determine_max_iter): Moved in front of its sole user.
44 2007-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
46 * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
47 (fold_builtin_1): Use them.
48 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
51 2007-02-23 H.J. Lu <hongjiu.lu@intel.com>
53 * config/i386/i386.c (bdesc_1arg): Initialize
54 IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
55 "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
56 (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
57 and IX86_BUILTIN_MOVSLDUP.
59 2007-02-22 Paolo Bonzini <bonzini@gnu.org>
61 PR rtl-optimization/30841
62 * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
64 2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
66 * builtins.c (fold_builtin_frexp): New.
67 (fold_builtin_2): Use it.
69 2007-02-22 Mark Mitchell <mark@codesourcery.com>
71 * doc/invoke.texi (Spec Files): Document getenv spec function.
73 * gcc.c (getenv_spec_function): New function.
74 (static_spec_functions): Add it.
75 * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
76 (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
79 2007-02-22 Michael Matz <matz@suse.de
82 * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
83 (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
85 2007-02-22 Ian Lance Taylor <iant@google.com>
88 * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
89 (mem_loc_descriptor): Call it.
91 2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
92 Ira Rosen <irar@il.ibm.com>
94 * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
96 2007-02-22 Ira Rosen <irar@il.ibm.com>
98 PR tree-optimization/30843
99 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
100 stores only after all the group is vectorized.
102 2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
104 PR tree-optimization/30858
105 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
106 in the reduction cycle have a single use in the loop.
107 * tree-vectorizer.h (relevant): Add documentation.
109 2007-02-20 Mike Stump <mrs@apple.com>
111 * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
112 * configure: Regenerate.
114 2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
116 Change the defaults of some parameters and options.
117 * config/spu/spu-protos.h (spu_optimization_options): Declare.
118 * config/spu/spu.c (spu_optimization_options): Add.
119 (spu_override_options): Change params in spu_optimization_options.
120 * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
122 Register 127 is only 16 byte aligned when used as a frame pointer.
123 * config/spu/spu-protos.h (spu_init_expanders): Declare.
124 * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
125 HARD_FRAME_POINTER_REGNUM.
126 (spu_legitimate_address): Use regno_aligned_for_reload.
127 (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
128 aligned when frame_pointer_needed is true.
129 (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
131 * config/spu/spu.h (INIT_EXPANDERS): Define.
133 Make sure shift and rotate instructions have valid immediate operands.
134 * config/spu/predicates.md (spu_shift_operand): Remove.
135 * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
136 * config/spu/constraints.md (W, O): Extend range.
137 * config/spu/spu.md (umask, nmask): Define.
138 (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
139 lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
140 rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
141 rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
142 spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
143 (lshr<mode>3_reg): Fix rtl description.
145 Make sure mulhisi immediate operands are valid.
146 * config/spu/predicates.md (imm_K_operand): Add.
147 * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
149 Generate constants using fsmbi and andi.
150 * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
151 (print_operand, spu_split_immediate, classify_immediate,
152 fsmbi_const_p): Handle IC_FSMBI2.
154 Correctly handle a CONST_VECTOR containing symbols.
155 * config/spu/spu.c (print_operand): Handle HIGH correctly.
156 (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
157 (immediate_load_p): Allow symbols that use 2 instructions to create.
158 (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
159 with symbols when flag_pic is set.
160 (const_vector_immediate_p): New.
161 (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
162 accept a CONST_VECTOR with symbols.
163 (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
164 accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
166 * config/spu/spu.md (high, low): Delete.
167 (low_<mode>): Define.
169 Remove INTRmode and INTR_REGNUM, which didn't work.
170 * config/spu/spu.c (spu_conditional_register_usage): Remove reference
172 * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
173 set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
174 peephole2 pattern): Don't use INTR or 131.
176 * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
177 CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
178 * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
179 (UNSPEC_SET_INTR): Add.
180 * config/spu/spu-modes.def (INTR): Remove.
182 More accurate warnings about run-time relocations.
183 * config/spu/spu.c (reloc_diagnostic): Test in_section.
185 Correctly warn about immediate arguments to specific intrinsics.
186 * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
187 (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
188 the instruction predicate.
190 Fix tree check errors with latest update.
191 * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
193 (spu_expand_builtin): Use CALL_EXPR_FN.
195 Add missing specific intrinsics.
196 * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
198 * config/spu/spu_internals.h: Ditto.
200 Fix incorrect operand modifiers.
201 * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
202 * config/spu/spu.md (xor<mode>3): Change %S to %J.
204 Optimize one case of zero_extend of a vec_select.
205 * config/spu/spu.md (_vec_extractv8hi_ze): Add.
207 Accept any immediate for hbr.
208 * config/spu/spu.md (hbr): Change s constraints to i.
210 2007-02-21 Paul Brook <paul@codesourcery.com>
212 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
213 condexec_count when skipping USE and CLOBBER.
215 2007-02-21 Nick Clifton <nickc@redhat.com>
217 * common.opt (Warray-bounds): Add Warning attribute.
218 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
220 (fsized-zeroes): Add Optimization attribute.
221 (fsplit-wide-types, ftree-scev-cprop): Likewise.
222 * c.opt (Wc++0x-compat): Add Warning attribute.
224 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
227 * reload1.c (eliminate_regs_in_insn): In the single_set special
228 case, attempt to re-recognize the insn before falling back to
229 having reload fix it up.
231 2007-02-20 Eric Christopher <echristo@gmail.com>
233 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
235 (frv_read_iacc_argument): Ditto.
236 (frv_expand_set_builtin): Take a call instead of arglist, update for
238 (frv_expand_unop_builtin): Ditto.
239 (frv_expand_binop_builtin): Ditto.
240 (frv_expand_cut_builtin): Ditto.
241 (frv_expand_binopimm_builtin): Ditto.
242 (frv_expand_voidbinop_builtin): Ditto.
243 (frv_expand_int_void2arg): Ditto.
244 (frv_expand_prefetches): Ditto.
245 (frv_expand_voidtriop_builtin): Ditto.
246 (frv_expand_voidaccop_builtin): Ditto.
247 (frv_expand_load_builtin): Ditto.
248 (frv_expand_store_builtin): Ditto.
249 (frv_expand_mdpackh_builtin): Ditto.
250 (frv_expand_mclracc_builtin): Ditto.
251 (frv_expand_mrdacc_builtin): Ditto.
252 (frv_expand_mwtacc_builtin): Ditto.
253 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
256 2007-02-20 Janis Johnson <janis187@us.ibm.com>
258 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
259 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
261 (HAVE_GAS_DFP): Check for assembler support of decimal floating
263 * configure: Regenerate.
264 * config.in: Regenerate.
265 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
266 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
267 masks to power6 and power6x and to POWERPC_MASKS.
268 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
270 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
271 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
272 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
273 Access PROTOTYPE as variable, not mask.
275 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
277 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
278 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
279 * combine.c (adjust_for_new_dest): Use it.
280 * postreload.c (reload_combine): Likewise.
282 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
284 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
285 notes on an insn with multiple sets, even if single_set returns
286 non-NULL for that insn.
288 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
290 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
293 2007-02-20 Geoffrey Keating <geoffk@apple.com>
295 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
296 if user didn't pass it.
297 * config/i386/darwin.h (CC1_SPEC): Likewise.
298 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
299 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
300 -mmacosx-version-min.
302 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
303 Uros Bizjak <ubizjak@gmail.com>
305 * optabs.h (enum optab_index): Add new OTI_scalb.
306 (scalb_optab): Define corresponding macro.
307 * optabs.c (init_optabs): Initialize scalb_optab.
308 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
310 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
311 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
312 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
313 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
314 flag_unsafe_math_optimizations is set.
316 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
317 to implement scalbf, scalb and scalbl built-ins as inline x87
320 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
321 DJ Delorie <dj@redhat.com>
324 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
325 (diagnostic_report_diagnostic): ... here, and turn them into real
326 errors. If warnings are inhibited, no need to do anything.
328 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
330 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
331 better code generation.
333 2007-02-20 Ben Elliston <bje@au.ibm.com>
335 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
337 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
339 * config/alpha/alpha.c, config/alpha/alpha.md,
340 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
341 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
342 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
343 config/arm/lib1funcs.asm: Follow spelling conventions.
345 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
346 config/fr30/fr30.md, config/i386/i386.h,
347 config/iq2000/iq2000.h, config/iq2000/predicates.md,
348 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
349 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
350 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
351 config/rs6000/altivec.md, config/rs6000/rs6000.c,
352 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
353 config/sparc/sparc.c, config/sparc/sparc.h,
354 config/sparc/sparc.md, config/spu/constraints.md,
355 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
358 2007-02-20 Alan Modra <amodra@bigpond.net.au>
361 * varasm.c (use_blocks_for_decl_p): Return false for decls with
364 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
366 * doc/invoke.texi (-ftree-lrs): Remove.
368 2007-02-19 Diego Novillo <dnovillo@redhat.com>
370 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
373 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
375 * config/ia64/ia64.c (ia64_expand_builtin): Use the
376 new CALL_EXPR_FN macro for retrieving the function
377 declaration of the input expression.
379 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
381 * c.opt (Waddress): New.
382 * common.opt (Walways-true): Delete.
383 (Wstring-literal-comparison): Delete.
384 * doc/invoke.texi (Warning Options): Delete -Walways-true and
385 -Wstring-literal-comparison. Add -Waddress.
387 (Walways-true): Delete.
388 (Wstring-literal-comparison): Delete.
389 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
390 consistently instead of -Walways-true in example.
391 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
392 * c-typeck.c (parser_build_binary_op): Replace
393 -Wstring-literal-comparison and -Walways-true with -Waddress.
394 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
397 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
399 * tree-cfg.c (dump_function_to_file): Be prepared for functions
400 without DECL_STRUCT_FUNCTION initialized.
402 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
404 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
405 due to calls to functions taking pointers as parameters.
407 2007-02-19 Richard Henderson <rth@redhat.com>
410 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
413 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
415 * config/s390/s390.c (s390_call_saved_register_used,
416 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
417 accessed to the new scheme.
419 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
421 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
422 (cris_print_index, cris_print_operand, cris_print_operand_address)
423 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
424 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
425 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
427 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
428 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
429 GO_IF_LEGITIMATE_ADDRESS): Ditto.
430 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
431 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
432 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
433 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
434 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
435 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
436 (uminsi3, call, call_value): Ditto.
437 (define_split: indir_to_reg_split, unnamed): Ditto.
439 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
441 PR tree-optimization/30975
442 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
445 2007-02-18 Eric Christopher <echristo@gmail.com>
447 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
448 Remove use of arglist.
449 (mips_expand_builtin): Remove use of arglist, pass in expr.
450 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
451 (mips_expand_builtin_movtf): Ditto.
452 (mips_expand_builtin_compare): Ditto.
454 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
456 * tree-sra.c (sra_build_assignment): Replace assertion
457 checking with a comment explaining why it can't be done.
459 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
462 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
463 during CALL_EXPR representation conversion.
464 * tree-ssa-propagate.c (set_rhs): Likewise.
466 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
468 * tree-sra.c (sra_build_assignment): Disable assertion checking
471 2007-02-18 Roger Sayle <roger@eyesopen.com>
473 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
474 instead of calling build2 with a GIMPLE_MODIFY_STMT.
475 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
477 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
478 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
479 gimplify_init_ctor_eval_range, gimple_push_cleanup,
480 gimplify_omp_for, gimplify_omp_atomic_pipeline,
481 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
482 force_gimple_operand): Likewise.
483 * ipa-cp.c (constant_val_insert): Likewise.
484 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
485 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
486 perfect_nestify): Likewise.
487 * langhooks.c (lhd_omp_assignment): Likewise.
488 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
489 lower_copyprivate_clauses, lower_send_clauses,
490 lower_send_shared_vars, expand_parallel_call,
491 expand_omp_for_generic, expand_omp_for_static_nochunk,
492 expand_omp_for_static_chunk, expand_omp_sections,
493 lower_omp_single_copy, lower_omp_for_lastprivate,
494 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
495 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
496 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
499 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
501 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
502 config/sh/sh.md: Follow spelling conventions.
504 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
505 config/frv/predicates.md: Follow spelling conventions.
507 * config/m68k/linux-unwind.h: Fix a comment typo.
508 * target.h: Follow spelling conventions.
510 2007-02-18 Roger Sayle <roger@eyesopen.com>
512 PR rtl-optimization/28173
513 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
514 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
515 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
516 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
517 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
519 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
521 * builtins.c (fold_builtin_load_exponent): New.
522 (fold_builtin_2): Use it.
524 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
526 PR rtl-optimization/30773
527 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
528 if we fail to attach a REG_EQUIV note.
530 2007-02-18 David Edelsohn <edelsohn@gnu.org>
531 Roger Sayle <roger@eyesopen.com>
533 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
535 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
537 * calls.c (initialize_argument_information): Pass original EXP
538 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
539 code to split complex arguments here, as part of initializing the
541 (expand_call): Remove code that builds a list of arguments and
542 inserts implicit arguments into it. Instead, just count how many
543 implicit arguments there will be so we can determine the size of
544 the ARGS array, and let initialize_argument_information do the work.
545 (split_complex_values): Delete unused function.
547 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
549 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
551 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
553 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
554 for arg pointer based indexed addressing.
556 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
558 * config/ia64/ia64.h, config/ia64/ia64.md,
559 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
560 spelling conventions.
562 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
564 * config/m68k/m68k.c (split_di): New.
565 * config/m68k/m68k-protos.h: Declare split_di.
566 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
567 Improve predicate handling and split constant shifts.
569 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
571 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
572 parameter for register bitfield operations, general predicates
575 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
577 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
578 * config/m68k/linux-unwind.h: New file.
580 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
582 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
583 config/i386/athlon.md, config/ia64/ia64.md,
584 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
585 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
586 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
587 tree-ssa-loop-niter.c, tree-vect-analyze.c,
588 tree-vect-transform.c: Fix comment typos.
590 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
592 * sched-deps.c (find_insn_list): Remove.
593 * sched-int.h: Remove the prototype for find_insn_list.
595 2007-02-16 Geoffrey Keating <geoffk@apple.com>
597 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
599 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
600 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
601 darwin_rs6000_override_options.
602 (C_COMMON_OVERRIDE_OPTIONS): Expect
603 darwin_macosx_version_min to be non-NULL always.
604 (TARGET_C99_FUNCTIONS): Likewise.
605 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
606 (DARWIN_MINVERSION_SPEC): New.
607 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
608 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
610 (DARWIN_MINVERSION_SPEC): New.
611 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
613 * config/darwin-c.c (darwin_cpp_builtins): Expect
614 darwin_macosx_version_min to be non-NULL always.
616 * config/rs6000/rs6000.c: Clean up trailing whitespace.
618 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
620 * config/i386/i386.h (x86_use_xchgb): New.
621 (TARGET_USE_XCHGB): New macro.
622 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
623 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
624 Split after reload into bswaphi for shifts of 8.
625 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
626 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
627 or when optimizing for size.
629 2007-02-16 Richard Guenther <rguenther@suse.de>
630 Christian Bruel <christian.bruel@st.com>
632 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
633 DECLs but prefer SSA_NAMEs over DECLs.
635 2007-02-16 Richard Guenther <rguenther@suse.de>
637 * tree-flow-inline.h (single_imm_use_p): Remove.
638 (zero_imm_uses_p): Likewise.
639 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
640 instead of single_imm_use_p.
641 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
644 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
647 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
648 nested double- and backquotes.
650 2007-02-15 Roger Sayle <roger@eyesopen.com>
653 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
654 should be unreachable.
655 (build2_stat): Allow construction of MODIFY_EXPR at any time.
656 For the time being redirect GIMPLE_MODIFY_STMT to the new
657 (renamed) build_gimple_modify_stmt_stat.
658 (build2_gimple_stat): Rename to...
659 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
660 Always build a GIMPLE_MODIFY_STMT node.
661 * tree.h (build2_gimple, build2_gimple_stat): Delete.
662 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
665 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
666 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
667 * tree-complex.c (set_component_ssa_name, expand_complex_move,
668 expand_complex_div_wide): Likewise.
669 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
670 * tree-ssa-loop-im.c (schedule_sm): Likewise.
671 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
672 * tree-ssa-loop-manip.c (create_iv): Likewise.
673 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
674 abs_replacement): Likewise.
675 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
676 realify_fake_stores): Likewise.
678 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
679 node rather than a GIMPLE_MODIFY_STMT node.
680 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
681 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
683 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
684 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
687 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
690 * fold-const.c (fold_comparison): Add back the
691 folding of constant complex comparisions.
693 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
696 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
697 effects unknown to this function, return early.
699 2007-02-15 Ian Lance Taylor <iant@google.com>
701 * lower-subreg.c (move_eh_region_note): New static function.
702 (resolve_simple_move): Call it.
703 (decompose_multiword_subregs): Track blocks for which we resolve a
704 simple move which is also a control flow insn. Pass them to
705 find_many_sub_basic_blocks.
706 (pass_lower_subreg): Add TODO_verify_flow.
707 (pass_lower_subreg2): Likewise.
709 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
710 Brooks Moses <brooks.moses@codesourcery.com>
711 Lee Millward <lee.millward@codesourcery.com>
713 * tree.h (enum tree_code_class): Add tcc_vl_exp.
714 (VL_EXP_CLASS_P): New.
715 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
717 (TREE_OPERAND_CHECK_CODE): Likewise.
718 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
719 (TREE_RTL_OPERAND_CHECK): Likewise.
720 (tree_operand_check_failed): Make second parameter the whole tree
721 instead of its code. Fixed callers.
723 (TREE_OPERAND_LENGTH): New.
724 (VL_EXP_OPERAND_LENGTH): New.
726 (CALL_EXPR_STATIC_CHAIN): New.
727 (CALL_EXPR_ARGS): New.
728 (CALL_EXPR_ARG): New.
729 (call_expr_nargs): New.
730 (CALL_EXPR_ARGP): New.
731 (build_nt_call_list): Declare.
732 (build_vl_exp_stat): Declare.
734 (build_call_list): Declare.
735 (build_call_nary): Declare.
736 (build_call_valist): Declare.
737 (build_call_array): Declare.
738 (call_expr_arg): Declare.
739 (call_expr_argp): Declare.
740 (call_expr_arglist): Declare.
741 (fold_build_call_list): Declare.
742 (fold_build_call_list_initializer): Declare.
743 (fold_call_expr): Declare to replace fold_builtin.
744 (fold_builtin_fputs): Update to agree with modified definition.
745 (fold_builtin_strcpy): Likewise.
746 (fold_builtin_strncpy): Likewise.
747 (fold_builtin_memory_chk): Likewise.
748 (fold_builtin_stxcpy_chk): Likewise.
749 (fold_builtin_strncpy_chk): Likewise.
750 (fold_builtin_next_arg): Likewise.
751 (fold_build_call_expr): Declare.
752 (fold_builtin_call_list): Declare.
753 (fold_builtin_call_valist): Declare.
754 (build_call_expr): Declare.
755 (validate_arglist): Update to agree with modified definition.
756 (tree_operand_length): New.
757 (call_expr_arg_iterator): New.
758 (init_call_expr_arg_iterator): New.
759 (next_call_expr_arg): New.
760 (first_call_expr_arg): New.
761 (more_call_expr_args_p): New.
762 (FOR_EACH_CALL_EXPR_ARG): New.
764 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
766 (tree_code_size): Update documentation. Use sizeof (tree) rather
767 than sizeof (char *).
768 (tree_size): Likewise. Add case for tcc_vl_exp.
769 (tree_node_structure): Add case for tcc_vl_exp.
770 (contains_placeholder_p): Likewise.
771 (substitute_in_expr): Likewise.
772 (substitute_placeholder_in_expr): Likewise.
773 (stabilize_reference_1): Likewise.
774 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
775 to diagnose breakage of this interface for constructing CALL_EXPRs.
776 (build_nt): Add similar assertion here.
777 (build_nt_call_list): New.
778 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
779 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
781 (get_callee_fndecl): Use new CALL_EXPR accessors.
782 (tree_operand_check_failed): Change parameters to pass entire node
783 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
784 (process_call_operands): New.
785 (build_vl_exp_stat): New.
786 (build_call_list): New.
787 (build_call_nary): New.
788 (build_call_valist): New.
789 (build_call_array): New.
790 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
791 (call_expr_arglist): New.
793 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
794 tcc_vl_exp instead of a fixed-size tcc_expression.
796 * doc/c-tree.texi (CALL_EXPR): Document new representation and
797 accessors for CALL_EXPRs.
798 (AGGR_INIT_EXPR): Likewise.
800 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
801 Brooks Moses <brooks.moses@codesourcery.com>
802 Lee Millward <lee.millward@codesourcery.com>
804 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
805 (expand_builtin_nonlocal_goto): Change parameter to be entire
806 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
807 (expand_builtin_prefetch): Likewise.
808 (expand_builtin_classify_type): Likewise.
809 (mathfn_built_in): Return NULL_TREE instead of 0.
810 (expand_errno_check): Use new CALL_EXPR accessors.
811 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
812 Return NULL_RTX instead of 0.
813 (expand_builtin_mathfn_2): Likewise.
814 (expand_builtin_mathfn_3): Likewise.
815 (expand_builtin_interclass_mathfn): Likewise.
816 (expand_builtin_sincos): Likewise.
817 (expand_builtin_cexpi): Likewise.
818 (expand_builtin_int_roundingfn): Likewise.
819 (expand_builtin_int_roundingfn_2): Likewise.
820 (expand_builtin_pow): Likewise.
821 (expand_builtin_powi): Likewise.
822 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
823 of arglist, fixing callers appropriately. Use new CALL_EXPR
824 accessors and constructors. Return NULL_RTX instead of 0.
825 (expand_builtin_strstr): Likewise.
826 (expand_builtin_strchr): Likewise.
827 (expand_builtin_strrchr): Likewise.
828 (expand_builtin_strpbrk): Likewise.
829 (expand_builtin_memcpy): Likewise.
830 (expand_builtin_mempcpy): Likewise.
831 (expand_builtin_mempcpy_args): New.
832 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
833 (expand_builtin_memmove_args): New.
834 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
835 (expand_movstr): Likewise.
836 (expand_builtin_strcpy): Likewise.
837 (expand_builtin_strcpy_args): New.
838 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
839 (expand_builtin_strncpy): Likewise.
840 (expand_builtin_memset): Likewise.
841 (expand_builtin_memset_args): New.
842 (expand_builtin_bzero): Similarly to expand_builtin_memset.
843 (expand_builtin_memcmp): Likewise.
844 (expand_builtin_strcmp): Likewise.
845 (expand_builtin_strncmp): Likewise.
846 (expand_builtin_strcat): Likewise.
847 (expand_builtin_strncat): Likewise.
848 (expand_builtin_strspn): Likewise.
849 (expand_builtin_strcspn): Likewise.
850 (expand_builtin_args_info): Likewise.
851 (expand_builtin_va_start): Likewise.
852 (gimplify_va_arg_expr): Likewise.
853 (expand_builtin_va_end): Likewise.
854 (expand_builtin_va_copy): Likewise.
855 (expand_builtin_frame_address): Likewise.
856 (expand_builtin_alloca): Likewise.
857 (expand_builtin_bswap): Likewise.
858 (expand_builtin_unop): Likewise.
859 (expand_builtin_fputs): Likewise.
860 (expand_builtin_expect): Likewise.
861 (expand_builtin_fabs): Likewise.
862 (expand_builtin_copysign): Likewise.
863 (expand_builtin_printf): Likewise.
864 (expand_builtin_fprintf): Likewise.
865 (expand_builtin_sprintf): Likewise.
866 (expand_builtin_init_trampoline): Likewise.
867 (expand_builtin_signbit): Likewise.
868 (expand_builtin_fork_or_exec): Likewise.
869 (expand_builtin_sync_operation): Likewise.
870 (expand_builtin_compare_and_swap): Likewise.
871 (expand_builtin_lock_test_and_set): Likewise.
872 (expand_builtin_lock_release): Likewise.
873 (expand_builtin): Likewise.
874 (builtin_mathfn_code): Likewise.
876 (fold_builtin_constant_p): Pass call arguments individually instead
877 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
878 accessors and constructors. Return NULL_TREE instead of 0.
879 (fold_builtin_expect): Likewise.
880 (fold_builtin_classify_type): Likewise.
881 (fold_builtin_strlen): Likewise.
882 (fold_builtin_nan): Likewise.
883 (integer_valued_real_p): Likewise.
884 (fold_trunc_transparent_mathfn): Likewise.
885 (fold_fixed_mathfn): Likewise.
886 (fold_builtin_cabs): Likewise.
887 (fold_builtin_sqrt): Likewise.
888 (fold_builtin_cbrt): Likewise.
889 (fold_builtin_cos): Likewise.
890 (fold_builtin_cosh): Likewise.
891 (fold_builtin_tan): Likewise.
892 (fold_builtin_sincos): Likewise.
893 (fold_builtin_cexp): Likewise.
894 (fold_builtin_trunc): Likewise.
895 (fold_builtin_floor): Likewise.
896 (fold_builtin_ceil): Likewise.
897 (fold_builtin_round): Likewise.
898 (fold_builtin_int_roundingfn): Likewise.
899 (fold_builtin_bitop): Likewise.
900 (fold_builtin_bswap): Likewise.
901 (fold_builtin_logarithm): Likewise.
902 (fold_builtin_hypot): Likewise.
903 (fold_builtin_pow): Likewise.
904 (fold_builtin_powi): Likewise.
905 (fold_builtin_exponent): Likewise.
906 (fold_builtin_memset): Likewise.
907 (fold_builtin_bzero): Likewise.
908 (fold_builtin_memory_op): Likewise.
909 (fold_builtin_bcopy): Deleted; call site changed to invoke
910 fold_builtin_memory_op directly.
911 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
912 (fold_builtin_strncpy): Likewise.
913 (fold_builtin_memcmp): Likewise.
914 (fold_builtin_strcmp): Likewise.
915 (fold_builtin_strncmp): Likewise.
916 (fold_builtin_signbit): Likewise.
917 (fold_builtin_copysign): Likewise.
918 (fold_builtin_isascii): Likewise.
919 (fold_builtin_toascii): Likewise.
920 (fold_builtin_isdigit): Likewise.
921 (fold_builtin_fabs): Likewise.
922 (fold_builtin_abs): Likewise.
923 (fold_builtin_fmin_fmax): Likewise.
924 (fold_builtin_carg): Likewise.
925 (fold_builtin_classify): Likewise.
926 (fold_builtin_unordered_cmp): Likewise.
928 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
929 New functions split out from fold_builtin_1.
930 (fold_builtin_n): New.
931 (fold_builtin_varargs): New.
932 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
934 (fold_call_expr): New.
935 (build_function_call_expr): Rewrite to use new helper function.
936 (fold_builtin_call_list): New.
937 (build_call_expr): New.
938 (fold_builtin_call_valist): New.
939 (rewrite_call_expr): New.
941 (validate_arglist): Change parameter to be entire CALL_EXPR instead
942 of an arglist. Change return type to bool. Use new CALL_EXPR
945 (fold_builtin_strstr): Pass call arguments individually instead
946 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
947 accessors and constructors. Return NULL_TREE instead of 0.
948 (fold_builtin_strchr): Likewise.
949 (fold_builtin_strrchr): Likewise.
950 (fold_builtin_strpbrk): Likewise.
951 (fold_builtin_strcat): Likewise.
952 (fold_builtin_strncat): Likewise.
953 (fold_builtin_strspn): Likewise.
954 (fold_builtin_strcspn): Likewise.
955 (fold_builtin_fputs): Likewise.
956 (fold_builtin_next_arg): Likewise.
957 (fold_builtin_sprintf): Likewise.
959 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
960 NULL_RTX instead of 0.
961 (expand_builtin_memory_chk): Likewise.
962 (maybe_emit_chk_warning): Likewise.
963 (maybe_emit_sprintf_chk_warning): Likewise.
965 (fold_builtin_object_size): Pass call arguments individually instead
966 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
967 accessors and constructors. Return NULL_TREE instead of 0.
968 (fold_builtin_memory_chk): Likewise.
969 (fold_builtin_stxcpy_chk): Likewise.
970 (fold_builtin_strncpy_chk): Likewise.
971 (fold_builtin_strcat_chk): Likewise.
972 (fold_builtin_strcat_chk): Likewise.
973 (fold_builtin_strncat_chk): Likewise.
974 (fold_builtin_sprintf_chk): Likewise.
975 (fold_builtin_snprintf_chk): Likewise.
976 (fold_builtin_printf): Likewise.
977 (fold_builtin_vprintf): Likewise.
979 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
981 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
982 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
983 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
984 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
985 (fold_unary): Likewise.
986 (fold_binary): Likewise.
987 (fold_ternary): Remove CALL_EXPR case, since they are no longer
989 (fold): Add logic for tcc_vl_exp.
990 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
991 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
992 (fold_build3_stat): Add assertion to flag broken interface for
993 constructing CALL_EXPRs.
994 (fold_build_call_list): New.
995 (fold_build_call_list_initializer): New.
996 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
998 (fold_strip_sign_ops): Likewise.
1000 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
1001 Brooks Moses <brooks.moses@codesourcery.com>
1002 Lee Millward <lee.millward@codesourcery.com>
1004 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
1005 accessors and dump arguments explicitly.
1007 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
1009 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
1011 (print_call_name): Use new CALL_EXPR accessors.
1013 * print-tree.c (print_node): Add case tcc_vl_exp. Print
1014 CALL_EXPR arguments explicitly instead of as a list. Use
1015 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1017 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
1018 (vrp_visit_stmt): Likewise.
1020 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
1021 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
1023 (force_move_till_expr): Likewise.
1025 * targhooks.c (default_external_stack_protect_fail): Use
1026 build_call_expr instead of build_function_call_expr.
1027 (default_hidden_stack_protect_fail): Likewise.
1029 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1032 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1033 and walk arguments explicitly.
1035 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1036 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1037 (expand_simple_operations): Likewise.
1038 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1040 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1041 of TREE_CODE_LENGTH.
1042 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1044 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1045 instead of TREE_CODE_LENGTH.
1047 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1048 (tree_ic_transform): Likewise.
1049 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1050 parameter instead of arglist. Fix callers.
1051 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1052 (tree_stringops_transform): Likewise.
1053 (tree_indirect_call_to_profile): Likewise.
1054 (tree_stringops_values_to_profile): Likewise.
1056 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1057 (eliminate_tail_call): Likewise.
1059 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1061 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1062 Use TREE_OPERAND_LENGTH and generalize to handle any number of
1064 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1066 * omp-low.c (build_omp_barrier): Use build_call_expr.
1067 (lower_rec_input_clauses): Likewise.
1068 (lower_reduction_clauses): Likewise.
1069 (expand_parallel_call): Likewise.
1070 (maybe_catch_exception): Likewise.
1071 (expand_omp_for_generic): Likewise.
1072 (expand_omp_for_static_nochunk): Likewise.
1073 (expand_omp_sections): Likewise.
1074 (lower_omp_single_simple): Likewise.
1075 (lower_omp_single_copy): Likewise.
1076 (lower_omp_master): Likewise.
1077 (lower_omp_ordered): Likewise.
1078 (lower_omp_critical): Likewise.
1080 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1081 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1083 * tree-gimple.c (is_gimple_call_addr): Fix doc.
1084 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1085 TREE_CODE_LENGTH. Add tcc_vl_exp case.
1087 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1088 and generalize to handle any number of operands.
1089 (chrec_contains_undetermined): Likewise.
1090 (tree_contains_chrecs): Likewise.
1091 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1093 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1095 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
1096 fold_call_expr instead of fold_builtin.
1097 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
1098 match declarations there.
1099 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
1102 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1103 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1105 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1106 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1108 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1111 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1112 (execute_cse_sincos): Use new CALL_EXPR accessors.
1114 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1116 * gimple-low.c (lower_function_body): Use build_call_expr.
1117 (lower_builtin_setjmp): Likewise.
1119 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1120 (set_storage_via_libcall): Likewise.
1121 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
1122 instead of TREE_CODE_LENGTH.
1123 (expand_expr_real_1): Use new CALL_EXPR accessors.
1125 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1126 generalize to handle any number of operands.
1127 (TB_parent_eq): Likewise.
1129 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1130 (strip_builtin_expect): Likewise.
1132 * function.c (gimplify_parameters): Use build_call_expr.
1134 * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1135 instead of TREE_CODE_LENGTH.
1137 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1138 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1140 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1143 * gimplify.c (build_stack_save_restore): Use build_call_expr.
1144 (gimplify_decl_expr): Likewise.
1145 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1146 Use new CALL_EXPR iterators.
1147 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1148 (gimplify_modify_expr_to_memset): Likewise.
1149 (gimplify_variable_sized_compare): Likewise.
1150 (gimplify_omp_atomic_fetch_op): Likewise.
1151 (gimplify_omp_atomic_pipeline): Likewise.
1152 (gimplify_omp_atomic_mutex): Likewise.
1153 (gimplify_function_tree): Likewise.
1155 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1156 (call_expr_flags): Likewise.
1157 (expand_call): Likewise.
1159 * except.c (expand_builtin_eh_return_data_regno): Pass entire
1160 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
1163 * coverage.c (create_coverage): Use build_call_expr.
1165 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1166 (temp_call_expr_obstack): New.
1167 (pool_copy_list): Delete.
1168 (temp_copy_call_expr): New.
1169 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
1170 CALL_EXPR accessors. Get rid of special goo for copying argument
1171 lists and use temp_copy_call_expr instead.
1172 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
1173 CALL_EXPR accessors.
1174 (create_expression_by_pieces): Likewise. Use build_call_array
1175 to construct the result instead of fold_build3.
1176 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
1177 dealing with argument lists.
1178 (init_pre): Remove references to expression_node_pool and
1179 list_node_pool. Init temp_call_expr_obstack instead.
1180 (fini_pre): Remove references to expression_node_pool and
1183 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1184 and walk arguments explicitly instead of as a list.
1186 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1187 (mx_register_decls): Likewise.
1188 (mudflap_register_call): Likewise.
1189 (mudflap_finish_file): Likewise.
1191 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1192 (ipa_callsite_compute_param): Likewise.
1194 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1195 accessors and constructor.
1197 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1198 accessors and constructor.
1199 (convert_tramp_reference): Likewise.
1200 (convert_call_expr): Likewise.
1201 (finalize_nesting_tree_1): Likewise.
1203 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1206 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1208 * tree-inline.c (initialize_inlined_parameters): Pass entire
1209 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
1211 (estimate_num_insns_1): Use new CALL_EXPR accessors.
1212 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1214 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
1215 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1216 (vectorizable_reduction): Likewise.
1217 (vectorizable_call): Use new CALL_EXPR iterators.
1218 (vectorizable_conversion): Use build_call_expr.
1219 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1220 (vect_gen_widened_results_half): Use build_call_expr.
1221 (vect_setup_realignment): Likewise.
1222 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1224 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1225 (pass_through_call): Likewise.
1226 (compute_object_sizes): Likewise. Use fold_call_expr instead of
1229 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1230 (tree_gen_pow2_profiler): Likewise.
1231 (tree_gen_one_value_profiler): Likewise.
1232 (tree_gen_ic_func_profiler): Likewise.
1233 (tree_gen_average_profiler): Likewise.
1234 (tree_gen_ior_profiler): Likewise.
1236 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1237 (find_func_aliases): Use new CALL_EXPR accessors. Add case
1238 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1240 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1241 of TREE_CODE_LENGTH.
1243 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1244 of TREE_CODE_LENGTH.
1246 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1248 (convert_to_integer): Likewise.
1250 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1253 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
1254 Brooks Moses <brooks.moses@codesourcery.com>
1255 Lee Millward <lee.millward@codesourcery.com>
1257 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1259 * config/frv/frv.c (frv_expand_builtin): Likewise.
1260 * config/s390/s390.c (s390_expand_builtin): Likewise.
1262 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1263 (sparc_expand_builtin): Use new CALL_EXPR accessors.
1265 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1266 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1267 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
1268 (ix86_expand_store_builtin): Likewise.
1269 (ix86_expand_unop_builtin): Likewise.
1270 (ix86_expand_unop1_builtin): Likewise.
1271 (ix86_expand_sse_compare): Likewise.
1272 (ix86_expand_sse_comi): Likewise.
1273 (ix86_expand_vec_init_builtin): Likewise.
1274 (ix86_expand_vec_ext_builtin): Likewise.
1275 (ix86_expand_vec_set_builtin): Likewise.
1276 (ix86_expand_builtin): Use new CALL_EXPR accessors.
1278 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1279 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1281 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1282 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
1283 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1285 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1287 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1288 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1289 arglist. Use new CALL_EXPR accessors. Fix callers.
1290 (altivec_expand_abs_builtin): Likewise.
1291 (rs6000_expand_binop_builtin): Likewise.
1292 (altivec_expand_predicate_builtin): Likewise.
1293 (altivec_expand_lv_builtin): Likewise.
1294 (spe_expand_stv_builtin): Likewise.
1295 (altivec_expand_stv_builtin): Likewise.
1296 (rs6000_expand_ternop_builtin): Likewise.
1297 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1298 (altivec_expand_st_builtin): Likewise.
1299 (altivec_expand_dst_builtin): Likewise.
1300 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1301 arglist. Use new CALL_EXPR accessors. Fix callers.
1302 (altivec_expand_vec_set_builtin): Likewise.
1303 (altivec_expand_vec_ext_builtin): Likewise.
1304 (altivec_expand_builtin): Use new CALL_EXPR accessors.
1305 (spe_expand_builtin): Likewise.
1306 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1307 arglist. Use new CALL_EXPR accessors. Fix callers.
1308 (spe_expand_evsel_builtin): Likewise.
1309 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
1310 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1312 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1313 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
1314 (arm_expand_unop_builtin): Likewise.
1315 (arm_expand_builtin): Use new CALL_EXPR accessors.
1317 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
1320 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1321 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
1322 (bfin_expand_unop_builtin): Likewise.
1323 (bfin_expand_builtin): Use new CALL_EXPR accessors.
1325 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
1326 Brooks Moses <brooks.moses@codesourcery.com>
1327 Lee Millward <lee.millward@codesourcery.com>
1329 * c-semantics.c (build_stmt): Add internal diagnostic check.
1331 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1332 accessors. Print arguments explicitly instead of as a list.
1334 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1336 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1337 (c_finish_omp_flish): Likewise.
1339 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
1340 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
1341 instead of TREE_CODE_LENGTH.
1342 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1343 (c_warn_unused_result): Likewise.
1345 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1348 * doc/invoke.texi (Warning Options): Remove
1349 -Werror-implicit-function-declaration.
1350 (Wimplicit-function-declaration): Update description.
1351 * opts.c (common_handle_option): Move handling of -Werror=* to...
1352 (enable_warning_as_error): ...here.
1353 * opts.h (enable_warning_as_error): Declare.
1354 * c-decl.c (implicit_decl_warning): Unless
1355 -Wno-implicit-function-declaration is given, emit a pedwarn if
1356 -std=c99 or emit a warning if -Wimplicit-function-declaration.
1357 * c.opt (Wimplicit-function-declaration): Replace
1358 mesg_implicit_function_declaration with
1359 warn_implicit_function_declaration.
1360 * c-opts.c (c_common_handle_option):
1361 -Werror-implicit-function-declaration is exactly equal as
1362 -Werror=implicit-function-declaration.
1363 (set_Wimplicit): Replace mesg_implicit_function_declaration with
1364 warn_implicit_function_declaration.
1365 (c_common_post_options): -Wimplict-function-declaration is enabled
1366 by default by -std=c99, otherwise is disabled by default.
1367 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1369 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
1371 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1372 DECL on the rhs to a DECL on the lhs for debug info purposes if the
1373 former is ignored but not the latter.
1375 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
1377 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1378 is made and the reference doesn't use the alias set of its type,
1379 do not create the temporary using that type.
1381 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
1383 * jump.c: Remove prototypes for delete_computation and
1384 delete_prior_computation.
1386 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
1388 * jump.c (get_label_after): Delete.
1389 (get_label_before, delete_computation, delete_jump,
1390 delete_prior_computation, follow_jumps): Move...
1391 * reorg.c (delete_computation, delete_prior_computation): ... here...
1392 (get_label_before, delete_jump): ... making these static ...
1393 (follow_jumps): ... and simplifying this since it only runs after
1395 * rtl.h (get_label_after, get_label_before, delete_jump,
1396 follow_jumps): Delete prototypes.
1398 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
1400 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1402 2007-02-15 Nick Clifton <nickc@redhat.com>
1404 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1405 order to prevent it from being munged by the target.
1407 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
1409 * config/i386/i386.md: Remove misleading comment.
1411 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
1413 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1414 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1417 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
1419 * tree-sra.c (instantiate_missing_elements): Canonicalize
1421 (sra_build_assignment): New.
1422 (generate_copy_inout, generate_element_copy,
1423 generate_element_zero, generate_one_element_init): Use it.
1425 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
1427 * tree-sra.c (instantiate_missing_elements): Canonicalize
1429 (sra_build_assignment): New.
1430 (generate_copy_inout, generate_element_copy,
1431 generate_element_zero, generate_one_element_init): Use it.
1433 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
1435 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1438 2007-02-14 Joseph Myers <joseph@codesourcery.com>
1440 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1441 types as aggregates not scalars.
1442 * function.c (assign_stack_temp_for_type): Likewise.
1444 2007-02-14 Roger Sayle <roger@eyesopen.com>
1445 Zdenek Dvorak <dvorakz@suse.cz>
1447 * tree-dump.c (dump_switch_p_1): Require exact match of the option
1450 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1452 * passes.c (next_pass_1): Clear the next field of the copied
1455 2007-02-14 Richard Henderson <rth@redhat.com>
1457 * tree-sra.c (early_sra): New.
1458 (decl_can_be_decomposed_p): Deny va_list if early_sra.
1459 (tree_sra_early, pass_sra_early): New.
1460 * tree-pass.h (pass_sra_early): Declare.
1461 * passes.c (init_optimization_passes): Use it.
1463 2007-02-14 Richard Guenther <rguenther@suse.de>
1465 * flags.h (issue_strict_overflow_warning): Convert to a macro.
1467 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
1469 PR tree-optimization/30771
1470 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1472 (vect_analyze_operations): Induction phis can now be marked as
1474 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1475 Update documentation accordingly.
1477 2007-02-14 Nick Clifton <nickc@redhat.com>
1479 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1480 most 3 arguments are supported.
1481 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1483 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
1485 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1486 Ensure dst->current is valid.
1488 2007-02-13 Paul Brook <paul@codesourcery.com>
1490 * config.gcc: Add arm*-*-uclinux-*eabi.
1491 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1492 (SUBTARGET_EXTRA_LINK_SPEC): Define.
1493 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1494 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1495 (LINK_SPEC): Define.
1497 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1499 * config/arm/uclinux-eabi.h: New file.
1500 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1501 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1504 2007-02-13 Ian Lance Taylor <iant@google.com>
1506 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1507 * flags.h (warn_strict_overflow): Declare.
1508 (enum warn_strict_overflow_code): Define.
1509 (issue_strict_overflow_warning): New static inline function.
1510 * opts.c (warn_strict_overflow): New variable.
1511 (common_handle_option): Handle OPT_Wstrict_overflow and
1512 OPT_Wstrict_overflow_.
1513 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1515 * fold-const.c: Include intl.h.
1516 (fold_deferring_overflow_warnings): New static variable.
1517 (fold_deferred_overflow_warning): New static variable.
1518 (fold_deferred_overflow_code): New static variable.
1519 (fold_defer_overflow_warnings): New function.
1520 (fold_undefer_overflow_warnings): New function.
1521 (fold_undefer_and_ignore_overflow_warnings): New function.
1522 (fold_deferring_overflow_warnings_p): New function.
1523 (fold_overflow_warning): New static function.
1524 (make_range): Add strict_overflow_p parameter. Change all
1526 (extract_muldiv, extract_muldiv_1): Likewise.
1527 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1528 tree_expr_nonnegative_p.
1529 (fold_negate_expr): Call fold_overflow_warning.
1530 (fold_range_test): Likewise.
1531 (fold_comparison): Likewise.
1532 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
1533 instead of tree_expr_nonnegative_p.
1534 (tree_expr_nonnegative_warnv_p): Rename from
1535 tree_expr_nonnegative_p, add strict_overflow_p parameter.
1536 (tree_expr_nonnegative_p): New function.
1537 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1538 strict_overflow_p parameter.
1539 (tree_expr_nonzero_p): New function.
1540 * passes.c (verify_interpass_invariants): New static function.
1541 (execute_one_pass): Call it.
1542 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1544 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1545 (estimate_numbers_of_iterations): Likewise.
1546 (scev_probably_wraps_p): Likewise.
1547 * tree-ssa-ccp.c: Include "toplev.h".
1548 (evaluate_stmt): Defer fold overflow warnings until we know we are
1550 (struct fold_stmt_r_data): Add stmt field.
1551 (fold_stmt_r): Defer fold overflow warnings until we know we
1553 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1554 (fold_stmt_inplace): Likewise.
1555 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1556 (cleanup_control_expr_graph): Defer fold overflow warnings until
1557 we know we are going to optimize.
1558 * tree-cfg.c (fold_cond_expr_cond): Likewise.
1559 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1561 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1562 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1563 * tree-ssa-loop-manip.c (create_iv): Likewise.
1564 * c-typeck.c (build_conditional_expr): Likewise.
1565 (build_binary_op): Likewise.
1566 * tree-vrp.c (vrp_expr_computes_nonzero): Call
1567 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1568 (extract_range_from_unary_expr): Likewise.
1569 * simplify-rtx.c (simplify_const_relational_operation): Warn when
1570 assuming that signed overflow does not occur.
1571 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1572 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1573 (fold_defer_overflow_warnings): Declare.
1574 (fold_undefer_overflow_warnings): Declare.
1575 (fold_undefer_and_ignore_overflow_warnings): Declare.
1576 (fold_deferring_overflow_warnings_p): Declare.
1577 (tree_expr_nonzero_warnv_p): Declare.
1578 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1580 (Warning Options): Document -Wstrict-overflow.
1581 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1582 (tree-ssa-ccp.o): Likewise.
1583 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1584 (fold-const.o): Depend on intl.h.
1586 2007-02-13 Ian Lance Taylor <iant@google.com>
1589 * lower-subreg.c (resolve_simple_move): Decompose subregs in
1592 2007-02-13 Stuart Hastings <stuart@apple.com>
1594 * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1596 2007-02-13 Richard Henderson <rth@redhat.com>
1598 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1599 handled_component_p before looking for the indirect_ref.
1601 2007-02-13 Richard Henderson <rth@redhat.com>
1603 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1604 remove flags clobber.
1605 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1606 (bswaphi_lowpart): New.
1607 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1608 remove TARGET_BSWAP test. Delete expander of the same name.
1610 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1611 (expand_unop): Use them.
1613 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
1615 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1616 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1617 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1618 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1619 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1620 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1621 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1622 assembler dialect choice from asm templates.
1624 2007-02-12 Richard Henderson <rth@redhat.com>
1626 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1627 (fixuns_trunc<SSEMODEF>si2): Use it.
1628 * config/i386/sse.md (vec_setv4sf_0): Export.
1629 * config/i386/i386.c (ix86_build_const_vector): Export.
1630 (ix86_split_convert_uns_si_sse): Rename from
1631 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1632 * config/i386/i386-protos.h: Update.
1634 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1637 * c-typeck.c (c_finish_return): Improve warning message.
1639 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1641 * alias.c (find_symbolic_term): Delete unused function.
1643 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
1645 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1646 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1647 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1649 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
1651 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1652 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1653 the function, temporarily point the debug interface to the null one.
1655 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
1657 * dwarf2out.c (round_up_to_align): New static function.
1658 (field_byte_offset): Use it to round the offset.
1660 2007-02-12 Richard Henderson <rth@redhat.com>
1662 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1663 (inswl_const): Export.
1665 2007-02-12 Richard Henderson <rth@redhat.com>
1667 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1668 result mode of the libcall, convert back to outmode.
1670 2007-02-12 Roger Sayle <roger@eyesopen.com>
1672 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1673 (bswapdi2): New define_expand to implement 32-bit implementation.
1675 2007-02-12 Nick Clifton <nickc@redhat.com>
1677 * doc/invoke.texi (Overall Options): Document --help=.
1678 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1679 (cc1_options): Pass --help= on to cc1.
1680 (display_help): Add description of --help=.
1681 (process_command): Add code to handle --help=. Allow translated
1682 --help and --target-help switches to be passed on to compiler
1684 (main): Remove unused if statement.
1685 * opts.c (columns): Remove.
1686 (LEFT_COLUMN): Define.
1687 (wrap_help): Add columns argument.
1688 (print_filtered_help): Change parameters to be an include bitmask,
1689 an exclude bitmask, an any bitmask and the column width. Move the
1690 code to display the params list here. Add code to display the
1691 status of options rather than their descriptions if the quiet flag
1693 (print_specific_help): Change parameters to be an include bitmask,
1694 an exclude bitmask and an any bitmask. Move code to look up the
1695 column width here. Decide upon the title for an options listing.
1696 (common_handle_options): Add code to handle --help=. Adapt code
1697 for --help and --target-help to use the revised form of the
1698 print_specific_help function.
1699 (print_help): Delete.
1700 (print_param_help): Delete.
1701 (print_switch): Delete.
1702 * opts.h (cl_lang_count): Add prototype.
1703 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1704 CL_MAX_OPTION_CLASS): New defines.
1705 * optc-gen.awk: Add construction of cl_lang_count.
1706 * c.opt: Add Warning attribute to warning options and Optimization
1707 attribute to optimization options.
1708 * common.opt: Likewise.
1710 Add -fhelp and -ftarget-help as aliases for the transformed --help
1711 and --target-help options.
1712 * opt-functions.awk: Add code to handle Warning and Optimization
1715 2007-02-12 Richard Henderson <rth@redhat.com>
1717 * config/alpha/constraints.md: New file.
1718 * config/alpha/alpha.c: Include tm-constrs.h.
1719 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1720 alpha_extra_constraint): Remove.
1721 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1722 * config/alpha/alpha-protos.h: Update.
1723 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1724 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1725 (EXTRA_CONSTRAINT): Remove.
1726 * config/alpha/alpha.md: Include constraints.md.
1727 (adddi splitter): Use satisfies_constraint_*.
1728 * config/alpha/predicates.md (add_operand): Likewise.
1729 (sext_add_operand, addition_operation): Likewise.
1731 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
1733 PR tree-optimization/29145
1734 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1735 in our handling of restrict qualified pointers.
1737 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1740 * doc/invoke.texi (Wunused-value): Update description.
1741 (Wextra): Delete item.
1742 * opts.c (set_Wextra): Don't use the value of Wextra to set the
1743 value of Wunused-value.
1744 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1745 (c_finish_stmt_expr): Don't check extra_warnings.
1746 (emit_side_effect_warnings): The caller is responsible to check
1749 2007-02-11 Roger Sayle <roger@eyesopen.com>
1750 Matt Thomas <matt@3am-software.com>
1752 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1754 2007-02-11 Roger Sayle <roger@eyesopen.com>
1756 * simplify-rtx.c (simplify_relational_operation_1): Optimize
1757 comparisons of POPCOUNT against zero.
1758 (simplify_const_relational_operation): Likewise.
1760 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1762 * doc/invoke.texi (Wextra): Delete outdated paragraph.
1764 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1766 * dwarf2out.c (root_type): Delete unused function.
1768 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1770 * genattrtab.c (contained_in_p): Delete unused function.
1771 (write_expr_attr_cache): Likewise.
1773 2007-02-11 Jan Hubicka <jh@suse.cz>
1775 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1778 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
1780 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1781 to add the REG_EQ* note.
1782 * see.c (see_merge_one_use_extension): Likewise.
1783 * local-alloc.c (update_equiv_regs): Likewise. Also don't
1784 turn REG_EQUAL notes into REG_EQUIV notes if the target
1785 register may have more than one set.
1786 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1787 * gcse.c (try_replace_reg): Likewise.
1788 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1789 * calls.c (fixup_tail_calls): Likewise. Abort if there is
1790 more than one REG_EQUIV note.
1791 * reload1.c (gen_reload): Use set_unique_reg_note.
1793 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
1795 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1796 (ix86_builtin_conversion): New function.
1798 2007-02-06 Mark Mitchell <mark@codesourcery.com>
1801 * tree.h (DECL_REPLACEABLE_P): New macro.
1802 * except.c (set_nothrow_function_flags): Likewise.
1804 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
1805 Ira Rosen <irar@il.ibm.com>
1806 Dorit Nuzman <dorit@il.ibm.com>
1808 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1809 * targhooks.c (default_builtin_vectorized_conversion): New.
1810 * targhooks.h (default_builtin_vectorized_function): New declaration.
1811 * target.h (struct vectorize): Add builtin_conversion field.
1812 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1813 stmt_vec_info_type value.
1814 (vectorizable_conversion): New declaration.
1815 * tree-vect-analyze.c (vect_analyze_operations): Add
1816 vectorizable_conversion call.
1817 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
1818 * tree-vect-transform.c (vectorizable_conversion): New function.
1819 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
1820 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1822 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
1823 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
1824 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
1825 or ALTIVEC_BUILTIN_VCFSX.
1827 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1830 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
1831 CONST_DOUBLE and operand 0 is a hard register.
1832 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
1833 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
1834 is a hard floating-point register.
1836 2007-02-10 Richard Henderson <rth@redhat.com>
1837 Jakub Jelinek <jakub@redhat.com>
1838 Alexandre Oliva <aoliva@redhat.com>
1840 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
1841 * builtin-types.def (BT_WORD): Make unsigned.
1842 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1843 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1844 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1845 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1846 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1847 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1849 * expr.c (emutls_var_address): New.
1850 (expand_expr_real_1): Expand emulated tls.
1851 (expand_expr_addr_expr_1): Likewise.
1852 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1853 * output.h (emutls_finish): Declare.
1854 * toplev.c (compile_file): Call it.
1855 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1856 address before wrapping in CONST.
1857 * varasm.c (emutls_htab, emutls_object_type): New.
1858 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1859 (get_emutls_object_name, get_emutls_object_type): New.
1860 (get_emutls_init_templ_addr, emutls_decl): New.
1861 (emutls_common_1, emutls_finish): New.
1862 (assemble_variable): When emulating tls, swap decls; generate
1863 constructor for the emutls objects.
1864 (do_assemble_alias): When emulating tls, swap decl and target name.
1865 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1867 * varpool.c (decide_is_variable_needed): Look at force_output.
1868 Recurse for emulated tls.
1869 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
1870 with decide_is_variable_needed.
1871 * emutls.c: New file.
1872 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1873 tls_object for real tls.
1875 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
1877 PR rtl-optimization/29599
1878 * reload1.c (eliminate_regs_in_insn): Take the destination
1879 mode into account when computing the offset.
1881 2007-02-09 Stuart Hastings <stuart@apple.com>
1882 Richard Henderson <rth@redhat.com>
1884 * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1885 * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
1886 * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
1887 fixuns_truncdfhi2): New.
1888 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
1889 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
1890 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
1891 (floatunssidf2): Allow nonimmediate source.
1892 * gcc/config/i386/sse.md (movdi_to_sse): New.
1893 (vec_concatv2di): Drop '*'.
1894 * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
1895 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1896 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
1898 * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
1899 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
1900 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
1901 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
1902 (ix86_build_signbit_mask): Fix decl of v, refactor to call
1903 ix86_build_const_vector.
1904 (x86_emit_floatuns): Rewrite.
1906 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1908 * genautomata.c (longest_path_length): Delete unused function.
1909 (struct state): Delete unused longest_path_length.
1910 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
1911 (get_free_state): Delete unused.
1913 2007-02-09 Jan Hubicka <jh@suse.cz>
1915 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
1916 * doc/invoke.texi (inline-unit-growth): Update default value.
1918 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
1919 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
1920 (rebuild_cgraph_edges): Likewise.
1921 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
1922 (dump_cgraph_node): Dump frequencies.
1923 (cgraph_clone_edge): Add frequency scales.
1924 (cgraph_clone_node): Add freuqnecy.
1925 * cgraph.h (cgraph_edge): Add freuqnecy argument.
1926 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
1927 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
1928 * tree-pass.h (TODO_rebuild_frequencies): New constant.
1929 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
1930 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
1931 (save_inline_function_body): Likewise.
1932 * ipa-inline.c: inluce rtl.h
1933 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
1934 (cgraph_edge_badness): Use frequencies.
1935 (cgraph_decide_recursive_inlining): Update clonning.
1936 (cgraph_decide_inlining_of_small_function): Dump frequency.
1937 * predict.c (estimate_bb_frequencies): Export.
1938 * predict.h (estimate_bb_frequencies): Declare.
1939 * tree-inline.c (copy_bb): Watch overflows.
1940 (expand_call_inline): Update call of cgraph_create_edge.
1941 (optimize_inline_calls): Use TODO flags to update frequnecies.
1942 * passes.h: Include predict.h
1943 (init_optimization_passes): Move profile ahead.
1944 (execute_function_todo): Handle TODO_rebuild_frequencies.
1946 2007-02-09 Roger Sayle <roger@eyesopen.com>
1948 * config/alpha/alpha.c (emit_insxl): Force the first operand of
1949 the insbl or inswl pattern into a register.
1951 2007-02-09 Roger Sayle <roger@eyesopen.com>
1953 * config/ia64/ia64.md (bswapdi2): New define_insn.
1955 2007-02-09 Richard Henderson <rth@redhat.com>
1957 * config/i386/constraints.md (Ym): New constraint.
1958 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
1959 (movdi_1_rex64): Split sse and xmm general register moves from
1960 memory move alternatives. Use conditional register constraints.
1961 (movsf_1, movdf_integer): Likewise.
1962 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
1963 (movdf_integer_rex64): New.
1964 (pushsf_rex64): Fix output constraints.
1965 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
1966 (sse2_stored): Likewise.
1967 (sse2_storeq_rex64): New.
1968 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
1969 amd and not generic.
1970 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
1971 for optimize_size. Remove SF/DFmode hack.
1973 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
1975 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
1978 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
1979 Richard Sandiford <richard@codesourcery.com>
1981 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
1982 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
1983 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
1984 m68k/t-mlib to tmake_file.
1985 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
1986 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
1987 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
1988 Allow it to be cf or m68k. Set m68k_arch_family. If that
1989 variable is not empty, add t-$m68k_arch_family to tmake_file.
1990 Add t-mlibs to tmake_file.
1991 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
1992 * config/m68k/t-cf: New file.
1993 * config/m68k/t-m68k: Likewise.
1994 * config/m68k/t-mlibs: Likewise.
1995 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1996 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
1997 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
1998 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
1999 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
2001 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
2002 (INSTALL_LIBGCC): Delete.
2003 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2004 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2005 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2006 (M68K_MLIB_CPU): Define.
2007 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2008 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2009 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
2011 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2012 Richard Guenther <rguenther@suse.de>
2015 * fold-const.c (fold_comparison): Handle obfuscated comparisons
2016 against INT_MIN/INT_MAX.
2017 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
2018 file if a loop is removed.
2020 2007-02-09 Joseph Myers <joseph@codesourcery.com>
2022 * calls.c (store_one_arg): Pass correct alignment to
2023 emit_push_insn for non-BLKmode values.
2024 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
2025 unaligned stack slot via a suitably aligned slot.
2027 2007-02-08 DJ Delorie <dj@redhat.com>
2029 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2031 (legal_subregs): Use unsigned char, make const.
2032 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
2034 2007-02-08 Paul Brook <paul@codesourcery.com>
2036 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2037 special interworking needed.
2039 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
2041 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2042 conditional to __SSE2__.
2043 (Entries below should have been added to first ChangeLog
2044 entry for amdfam10 dated 2007-02-05)
2045 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2047 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2049 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2052 2007-02-08 DJ Delorie <dj@redhat.com>
2054 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2055 * config/m32c/m32c.c (legal_subregs): New.
2056 (m32c_illegal_subreg_p): New.
2057 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2058 unsupported subregs of hard regs.
2060 2007-02-08 Jan Hubicka <jh@suse.cz>
2062 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2063 the same one; always update histograms.
2065 2007-02-08 Diego Novillo <dnovillo@redhat.com>
2067 * passes.c (init_optimization_passes): Tidy comment.
2069 2007-02-08 Roger Sayle <roger@eyesopen.com>
2071 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2072 strip zero_extend, bswap and rotates from POCOUNT's argument.
2073 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2074 zero_extend and rotates from PARITY's argument.
2075 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2076 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2077 of an integer constant at compile-time.
2079 2007-02-08 Diego Novillo <dnovillo@redhat.com>
2082 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2084 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
2087 * tree-ssa-live.c (remove_unused_locals): Do not remove
2088 TREE_ADDRESSABLE variables.
2089 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2090 * tree-ssa-operands.c (add_virtual_operand): Remove argument
2091 FOR_CLOBBER. Update all users.
2092 If VAR has an associated alias set, add a virtual operand for
2093 it if no alias is found to conflict with the memory reference.
2095 2007-02-07 Jan Hubicka <jh@suse.cz>
2096 Robert Kidd <rkidd@crhc.uiuc.edu>
2098 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2100 2007-02-07 Ian Lance Taylor <iant@google.com>
2102 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2104 2007-02-07 Roger Sayle <roger@eyesopen.com>
2106 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2107 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2108 tablejumpdi, movsi_to_cr_one): Remove constraints from
2109 define_expand's match_operands.
2111 2007-02-07 Roger Sayle <roger@eyesopen.com>
2113 * global.c (compute_regsets): Move declatation of "i" inside of
2114 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2116 2007-02-07 Jakub Jelinek <jakub@redhat.com>
2119 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2120 of INDIRECT_REF <RESULT_DECL>.
2122 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2124 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
2125 Kaz Kojima <kkojima@gcc.gnu.org>
2128 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2130 (sh_initialize_trampoline): Add parentheses to avoid a warning.
2132 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2134 * doc/loop.texi: Document possibility not to perform disambiguation
2135 of loops with multiple latches.
2136 * cfgloopmanip.c (alp_enum_p): Removed.
2137 (add_loop): Handle subloops. Use get_loop_body_with_size.
2138 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2139 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2140 the new forwarder block.
2141 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2142 Handle the case latch is NULL.
2143 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2144 when marking loop exits.
2145 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
2147 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
2148 disambiguate_loops_with_multiple_latches.
2149 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2150 before fix_loop_structure.
2151 * cfgloop.c: Include pointer-set.h and output.h.
2152 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2153 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2154 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2155 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2156 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2157 disambiguate_multiple_latches, get_loop_body_with_size,
2158 disambiguate_loops_with_multiple_latches): New functions.
2159 (flow_loop_dump): Dump multiple latch edges.
2160 (flow_loop_nodes_find): Handle loops with multiple latches.
2161 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2162 (glb_enum_p): Modified.
2163 (get_loop_body): Use get_loop_body_with_size.
2164 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2165 (AVOID_CFG_MODIFICATIONS): New constant.
2166 (disambiguate_loops_with_multiple_latches, add_loop,
2167 get_loop_body_with_size): Declare.
2168 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2170 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
2173 * global.c (compute_regsets): New function.
2174 (global_alloc): Refactored ELIMINABLE_REGSET
2175 and NO_GLOBAL_ALLOC_REGS computation out.
2176 (rest_of_handle_global_alloc): Call compute_regsets()
2177 for non-optimizing case.
2179 2007-02-06 Richard Henderson <rth@redhat.com>
2181 * config/i386/constraints.md (Y2): Rename from Y.
2182 (Yi): New constraint.
2183 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2184 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2185 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2186 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2187 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2188 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2189 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2190 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2191 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2192 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2193 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2194 vec_extractv2si_1): Change Y constraints to Y2.
2195 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2196 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2197 Change Y constraints to Y2.
2198 (sse2_loadld): Change Y constraints to x.
2200 2007-02-06 Roger Sayle <roger@eyesopen.com>
2202 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2203 (parity<mode>2): New define_expand using rs6000_emit_parity.
2204 * config/rs6000/rs6000.c (rs6000_emit_popcount,
2205 rs6000_emit_parity): New functions.
2206 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2207 rs6000_emit_parity): Prototype here.
2209 2007-02-06 Ian Lance Taylor <iant@google.com>
2211 * lower-subreg.c (simple_move_operand): Reject CONST.
2212 (resolve_clobber): Call validate_change rather than directly
2213 assigning to XEXP (pat, 0).
2215 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
2217 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2218 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2219 (tree-cfg.o): Remove hashtab.h dependency.
2221 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2222 (struct ivopts_data): Change niters to pointer_map_t.
2223 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2224 (niter_for_exit): Create pointer_map on demand. Change for
2226 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2227 (free_loop_data): Destroy data->niters if created and reset field.
2228 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2229 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2231 * tree-ssa-reassoc.c: Include pointer-set.h.
2232 (bb_rank): Change to long *.
2233 (operand_rank): Change to pointer_map_t.
2234 (find_operand_rank): Return long, -1 if not found. Declare as inline.
2235 (insert_operand_rank): Accept long.
2236 (operand_entry_hash, operand_entry_eq): Remove.
2237 (get_rank): Return long. Adjust for changes above.
2238 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
2240 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2242 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2243 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2244 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
2246 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
2247 directly since it cannot be NULL.
2248 (get_vi_for_tree): Rewrite for pointer_map API.
2249 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2250 (init_alias_vars): Create vi_for_tree as pointer_map.
2251 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2253 * tree-cfg.c: Don't include hashtab.h.
2254 (edge_to_cases): Declare as pointer_map.
2255 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2257 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2258 (start_recording_case_labels): Create edge_to_cases as pointer_map.
2259 (end_recoding_case_labels): Cleanup edge_to_cases manually before
2261 (record_switch_edge): Delete.
2262 (get_cases_for_edge): Adjust for pointer_map API, inline
2263 record_switch_edge (rewritten for new API), remove goto.
2265 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
2267 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2268 * tree-nested.c: Include pointer-set.h.
2269 (var_map_elt, var_map_eq, var_map_hash): Delete.
2270 (struct nesting_info): Remove GTY marker. Change the two htab_t's
2272 (nesting_info_bitmap_obstack): New.
2273 (lookup_field_for_decl): Adjust for pointer_map API.
2274 (lookup_tramp_for_decl): Adjust for pointer_map API.
2275 (get_nonlocal_debug_decl): Adjust for pointer_map API.
2276 (get_local_debug_decl): Adjust for pointer_map API.
2277 (convert_nl_goto_reference): Adjust for pointer_map API.
2278 (convert_nl_goto_receiver): Adjust for pointer_map API.
2279 (create_nesting_tree): Create outside GGC space. Create bitmap on
2280 the new obstack. Create field_map and var_map as pointer_maps.
2281 (free_nesting_tree): Adjust for changes to create_nesting_tree.
2283 (lower_nested_functions): Move root here, no need to NULL it.
2284 Initialize and release the obstack.
2286 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
2288 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2289 Remove prototypes and make them non-static.
2290 (struct tree_int_map): Remove.
2291 * tree.h (struct tree_int_map): Move here, turning TO into an
2293 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2295 * tree.h (TREE_COMPLEXITY): Remove.
2296 (struct tree_exp): Remove complexity field.
2297 * tree.c (build1_stat): Don't set it.
2299 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
2300 Victor Kaplansky <victork@il.ibm.com>
2302 * tree-vectorizer.c (vect_is_simple_use): Support induction.
2303 (vect_is_simple_reduction): Support reduction with induction as
2304 one of the operands.
2305 (vect_is_simple_iv_evolution): Fix formatting.
2306 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2307 formatting. Don't mark induction phis for vectorization.
2308 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2309 * tree-vect-transform.c (get_initial_def_for_induction): New function.
2310 (vect_get_vec_def_for_operand): Support induction.
2311 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2313 (vectorizable_reduction): Support reduction with induction as one of
2315 (vectorizable_type_demotion): Use def-type of stmt argument rather
2316 than dummy def-type.
2318 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2319 flag_tree_scev_cprop.
2320 * common.opt (tree-scev-cprop): New flag.
2322 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2323 call to vect_get_new_vect_var.
2325 2007-02-06 Ira Rosen <irar@il.ibm.com>
2327 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2328 vectype is not NULL.
2329 (vect_pattern_recog_1): Likewise.
2331 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2333 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2334 (fold_negate_expr): Likewise.
2336 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
2339 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2340 even if cv-qualification is the same.
2342 2007-02-05 Geoffrey Keating <geoffk@apple.com>
2344 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2345 __enable_execute_stack on completion.
2347 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2349 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2350 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2351 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2352 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2353 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2354 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2355 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2356 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2358 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2360 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2361 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2362 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2363 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2364 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2365 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2366 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2367 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2368 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2369 umuldi3_highpart_rex64, umulsi3_highpart_insn,
2370 umulsi3_highpart_zext, smuldi3_highpart_rex64,
2371 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2372 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2373 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2374 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2375 sqrtextenddfxf2_i387): Added amdfam10_decode.
2377 * config/i386/athlon.md (athlon_idirect_amdfam10,
2378 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2379 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2380 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2381 athlon_ivector_store_amdfam10): New define_insn_reservation.
2382 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2385 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2387 * config/i386/athlon.md (athlon_call_amdfam10,
2388 athlon_pop_amdfam10, athlon_lea_amdfam10): New
2389 define_insn_reservation.
2390 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2391 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2392 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2394 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2396 * config/i386/athlon.md (athlon_sseld_amdfam10,
2397 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2398 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2400 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2402 * config/i386/athlon.md (athlon_sseins_amdfam10): New
2403 define_insn_reservation.
2404 * config/i386/i386.md (sseins): Added sseins to define_attr type
2405 and define_attr unit.
2406 * config/i386/sse.md: Set type attribute to sseins for insertq
2409 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2411 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2412 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2413 ssecomi_load_amdfam10, ssecomi_amdfam10,
2414 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2415 define_insn_reservation.
2416 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2418 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2420 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2421 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2422 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2423 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2424 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2425 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2426 define_insn_reservation.
2428 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2429 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2430 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2431 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2432 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2434 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2436 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2437 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2438 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2439 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2440 athlon_ssemul_load_k8): Added amdfam10.
2442 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2444 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2445 (x86_sse_unaligned_move_optimal): New variable.
2447 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2449 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2450 for unaligned vector SSE double/single precision loads for AMDFAM10.
2452 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2454 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2455 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2456 Define TARGET_CPU_DEFAULT_amdfam10.
2457 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2458 (processor_type): Add PROCESSOR_AMDFAM10.
2460 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2461 processor_type in config/i386/i386.h.
2462 Enable imul peepholes for TARGET_AMDFAM10.
2464 * config.gcc: Add support for --with-cpu option for amdfam10.
2466 * config/i386/i386.c (amdfam10_cost): New variable.
2467 (m_AMDFAM10): New macro.
2468 (m_ATHLON_K8_AMDFAM10): New macro.
2469 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2470 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2471 x86_promote_QImode, x86_integer_DFmode_moves,
2472 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2473 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2474 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2475 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2476 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2477 Enable/disable for amdfam10.
2478 (override_options): Add amdfam10_cost to processor_target_table.
2479 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2480 processor_alias_table.
2481 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2482 (ix86_adjust_cost): Add code for amdfam10.
2484 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2486 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2487 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2488 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2489 * config/i386/i386.h: Add builtin definition for SSE4A.
2490 * config/i386/i386.md: Add support for ABM instructions
2492 * config/i386/sse.md: Add support for SSE4A instructions
2493 (movntss, movntsd, extrq, insertq).
2494 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2495 Add -march=amdfam10 flag.
2496 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2497 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2499 * doc/extend.texi: Add documentation for SSE4A builtins.
2501 2007-02-05 Bob Wilson <bob.wilson@acm.org>
2503 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2505 2007-02-05 Richard Guenther <rguenther@suse.de>
2507 * tree-vectorizer.h (vectorizable_function): Add argument type
2508 argument, change return type.
2509 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2510 * tree-vect-transform.c (vectorizable_function): Handle extra
2511 argument, return vectorized function decl.
2512 (build_vectorized_function_call): Remove.
2513 (vectorizable_call): Handle calls with result and argument types
2514 differing. Handle loop vectorization factor correctly.
2515 * targhooks.c (default_builtin_vectorized_function): Adjust for
2517 * targhooks.h (default_builtin_vectorized_function): Likewise.
2518 * target.h (builtin_vectorized_function): Add argument type
2520 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2521 extra argument, allow vectorizing of lrintf.
2522 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2523 documentation of target hook.
2525 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
2528 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2529 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2530 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2532 2007-02-05 Roger Sayle <roger@eyesopen.com>
2534 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2535 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2536 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2537 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2538 before canonicalizing sincos to cexpi.
2539 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2541 2007-02-05 Roger Sayle <roger@eyesopen.com>
2543 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2544 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2545 (alpha_init_builtins): Use alpha_add_builtins to process tables.
2547 2007-02-05 Roger Sayle <roger@eyesopen.com>
2549 * mips-tfile.c (initialize_init_file): Correct endianness test.
2551 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
2553 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2556 2007-02-05 Richard Sandiford <richard@codesourcery.com>
2558 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2559 saves in a PARALLEL before the register assignments.
2561 2007-02-05 Richard Sandiford <richard@codesourcery.com>
2563 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2564 DWARF_FRAME_RETURN_COLUMN to be a general register.
2565 * dwarf2out.c (init_return_column_size): New function, split from...
2566 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
2567 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2568 to be nongeneral registers.
2569 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2571 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2572 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2574 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2576 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2578 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2580 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2581 (remove_path): Use can_remove_branch_p and remove_branch instead
2582 of loop_delete_branch_edge.
2583 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2584 (tree_transform_and_unroll_loop): Remove dead branches immediately.
2585 Update profile using scale_dominated_blocks_in_loop.
2586 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2587 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2588 (can_remove_branch_p, remove_branch): Declare.
2589 * tree-cfg.c (tree_can_remove_branch_p): New function.
2590 (tree_cfg_hooks): Add tree_can_remove_branch_p.
2591 * cfgrtl.c (rtl_can_remove_branch_p): New function.
2592 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2594 2007-02-05 Jan Hubicka <jh@suse.cz>
2597 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2598 nodes in cgraph, don't remove offline copy of the function.
2600 2007-02-04 Jan Hubicka <jh@suse.cz>
2602 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2603 vectors might cause maybe_lookup_element_for_expr to be called
2604 on non-sra-candidate.
2606 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
2608 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2609 config/bfin/bfin.md, config/bfin/predicates.md: Follow
2610 spelling conventions.
2612 2007-02-04 Richard Guenther <rguenther@suse.de>
2615 * fold-const.c (try_move_mult_to_index): Make sure to not
2616 overflow one dimension of a multi-dimensional array access.
2618 2007-02-04 Jan Hubicka <jh@suse.cz>
2620 * passes.c (init_optimization_passes): Reindent.
2622 2007-02-04 Jan Hubicka <jh@suse.cz>
2623 Eric Botcazou <ebotcazou@adacore.com>
2625 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2626 (execute_fixup_cfg): Break out the abnormal goto code.
2627 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2628 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2629 (optimize_inline_calls): Call make_nonlocal_label_edges.
2631 2007-02-04 Jan Hubicka <jh@suse.cz>
2633 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2634 true when something was changed.
2635 (rename_ssa_copies): When something was changed, do
2636 TODO_remove_unused_locals.
2637 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2638 add TODO_remove_unused_locals when instruction was removed.
2640 2007-02-04 Jan Hubicka <jh@suse.cz>
2642 * ipa-inline.c (try_inline): Improve debug output; work on already
2644 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2645 call try_inline for already inlined edges too when flattening;
2646 inline also functions that make callee growth but overall unit size
2649 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
2651 * config/m32c/bitops.md, config/m32c/jump.md,
2652 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2653 config/m32r/m32r.h, config/m32r/m32r.md,
2654 config/m32r/predicates.md, config/m68hc11/larith.asm,
2655 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2656 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2657 config/mips/mips-protos.h, config/mips/mips.c,
2658 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2659 config/mn10300/mn10300.h, config/mn10300/predicates.md,
2660 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2661 spelling conventions.
2663 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2664 Follow spelling conventions.
2666 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
2668 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2669 warn about C++0x compatibility.
2671 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
2673 * config/h8300/h8300.c, config/h8300/h8300.h,
2674 config/h8300/h8300.md: Follow spelling conventions.
2676 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
2679 * combine.c (try_combine): Do not substitute source operand
2680 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2682 2007-02-03 Jan Hubicka <jh@suse.cz>
2684 PR gcov-profile/30650
2685 * value-prof.c (stringop_block_profile): Fix handling of size counter;
2686 do not divide by zero for never executed counters.
2687 (tree_find_values_to_profile): Fix counters.
2688 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2690 2007-02-03 Ian Lance Taylor <iant@google.com>
2692 * lower-subreg.c (simple_move_operand): New static function,
2693 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
2695 (simple_move): Call simple_move_operand.
2696 (find_decomposable_subregs): Add special handling of MEMs.
2697 (can_decompose_p): Rename from cannot_decompose_p. Reverse
2698 meaning of return value. If we see a hard register, test whether
2699 it can store a word_mode value. Change all callers.
2701 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2703 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2704 ftrapv insns and expanders.
2705 (subdi3): Change define_expand operand 1 to arith11_operand, and
2706 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
2707 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
2708 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2712 * varasm.c (notice_global_symbol): Treat global objects as weak when
2715 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2717 * emit-rtl.c (dconstpi): Delete.
2719 (init_emit_once): Delete dconstpi and init dconstsqrt2.
2720 * real.h (dconstpi): Delete.
2722 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2723 (fold_builtin_hypot): Likewise.
2725 2007-02-03 Tom Tromey <tromey@redhat.com>
2728 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2729 -gcoff3, -gxcoff3, -gvms3 implies -dD.
2731 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
2733 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2734 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2735 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2736 config/rs6000/cell.md, config/rs6000/darwin.h,
2737 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2738 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2739 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2740 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2741 typos. Follow spelling conventions.
2742 * doc/invoke.texi: Follow spelling conventions.
2744 2007-02-03 Roger Sayle <roger@eyesopen.com>
2746 * simplify-rtx.c (simplify_relational_operation_1): Implement some
2747 canonicalization transformations that attempt to simplify integer
2748 constant comparisons to become comparisons against zero.
2750 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2752 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2754 * fold-const.c (fold_binary): Fix comment typos. Fold complex
2755 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
2757 2007-02-02 Mike Stump <mrs@apple.com>
2759 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2760 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2761 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2762 generate a branch island.
2764 2007-02-02 Bob Wilson <bob.wilson@acm.org>
2766 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2767 (xtensa_legitimate_address_p): New.
2768 (xtensa_legitimize_address): New.
2769 (xtensa_output_addr_const_extra): New.
2770 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2772 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2773 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2774 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2775 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2776 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2777 (xtensa_legitimize_address): New.
2778 (xtensa_output_addr_const_extra): New.
2780 2007-02-02 Steve Ellcey <sje@cup.hp.com>
2782 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2784 2007-02-02 Ian Lance Taylor <iant@google.com>
2786 * expmed.c (expand_divmod): Add comment.
2788 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
2790 * emit-rtl.c (renumber_insns): Remove.
2791 * flags.h: Remove the extern for flag_renumber_insns.
2792 * rtl.h: Remove the prototype for renumber_insns.
2793 * toplev.c (flag_renumber_insns): Remove.
2795 2007-02-02 Hui-May Chang <hm.chang@apple.com>
2797 Revert for x86 darwin:
2798 2005-06-19 Uros Bizjak <uros@kss-loka.si>
2800 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2801 code before the following patch under TARGET_MACHO.
2802 (ix86_function_value_regno_p): Likewise.
2804 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2806 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2809 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2812 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2813 general or fp registers. Add comments.
2814 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2816 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
2818 * pointer-set.c (insert_aux): Only return insertion slot.
2819 (pointer_set_insert): Adjust.
2820 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
2821 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
2822 pointer_map_traverse): New.
2823 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
2824 pointer_map_create, pointer_map_destroy, pointer_map_insert,
2825 pointer_map_contains, pointer_map_traverse): Declare.
2827 2007-02-02 Jakub Jelinek <jakub@redhat.com>
2830 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2831 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
2833 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2835 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
2837 (struct _dep): New type.
2838 (dep_t): New typedef.
2839 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
2840 (DEP_STATUS): New access macro. The macro with the same name was
2841 renamed to DEP_LINK_STATUS.
2842 (dep_init): Declare function
2844 (struct _dep_link): New type.
2845 (dep_link_t): New typedef.
2846 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
2847 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
2848 (DEP_LINK_STATUS): New macro.
2849 (debug_dep_links): New debug function.
2851 (struct _deps_list): New type.
2852 (deps_list_t): New typedef.
2853 (DEPS_LIST_FIRST): New access macro.
2854 (FOR_EACH_DEP_LINK): New cycle macro.
2855 (create_deps_list, free_deps_list, delete_deps_list): Declare
2857 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
2858 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
2859 (copy_deps_list_change_con): Ditto.
2861 (move_dep_link): Declare function.
2863 (struct _dep_node): New type.
2864 (dep_node_t): New typedef.
2865 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
2867 (struct haifa_insn_data.back_deps): New field to hold backward
2868 dependencies of the insn.
2869 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
2871 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
2872 Change its type to deps_list_t.
2873 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
2874 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
2875 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
2877 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
2879 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
2881 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
2883 (dep_cost): Declare.
2885 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
2886 (ds_to_dk, dk_to_ds): New functions.
2888 (init_dep_1): New static function.
2889 (init_dep): New function.
2890 (copy_dep): New static function.
2892 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
2894 (detach_dep_link): New static function.
2895 (move_dep_link): New function.
2897 (dep_links_consistent_p, dump_dep_links): New static functions.
2898 (debug_dep_links): New debugging function.
2900 (deps_obstack, dl_obstack, dn_obstack): New static variables.
2902 (alloc_deps_list, init_deps_list): New static functions.
2903 (create_deps_list): New function.
2904 (clear_deps_list): New static function.
2905 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
2906 (deps_list_consistent_p, dump_deps_list): New static functions.
2907 (debug_deps_list): New function.
2908 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
2910 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
2912 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
2913 use new scheduler dependencies lists.
2914 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
2915 (sched_analyze): Ditto. Initialize dependencies lists.
2916 (add_forw_dep, compute_forward_dependences): Update to use new
2917 scheduler dependencies lists.
2919 (init_dependency_caches): Init deps_obstack.
2920 (free_dependency_caches): Free deps_obstack.
2922 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
2923 new scheduler dependencies lists.
2924 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
2925 (add_back_forw_dep, delete_back_forw_dep): Ditto.
2927 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
2928 Update to use new scheduler dependencies lists.
2929 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
2930 (debug_dependencies): Ditto.
2931 (schedule_region): Update comments.
2933 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
2934 scheduler dependencies lists.
2935 (schedule_ebb): Update comments.
2937 * rtl.def (DEPS_LIST): Remove.
2939 * lists.c (unused_deps_list): Remove.
2940 (free_list): Update assertions.
2942 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
2943 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2945 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
2946 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
2948 * haifa-sched.c (comments): Update.
2949 (insn_cost1): Remove. Inline the code into insn_cost ().
2950 (insn_cost): Update to use new scheduler dependencies lists. Move
2951 processing of the dependency cost to dep_cost ().
2952 (dep_cost): New function. Use it instead of insn_cost () when
2953 evaluating cost of the dependency. Use compatible interface to
2954 interact with the target.
2955 (priority): Update to use new scheduler dependencies lists.
2956 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
2957 with greater number of insns that depend on the insn.
2958 (schedule_insn): Update to use new scheduler dependencies lists. Add
2959 code to free backward dependencies lists. Inline and optimize code
2960 from resolve_dep () - see PR28071.
2961 (ok_for_early_queue_removal): Update to use new scheduler dependencies
2962 lists. Update call to targetm.sched.is_costly_dependence hook.
2964 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
2965 scheduler dependencies lists.
2967 (resolve_dep): Remove. Move the logic to schedule_insn ().
2968 (init_h_i_d): Initialize dependencies lists.
2970 (process_insn_depend_be_in_spec): Rename to
2971 process_insn_forw_deps_be_in_spec. Update to use new scheduler
2973 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
2974 Update to use new scheduler dependencies lists.
2975 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
2977 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
2978 new scheduler dependencies lists.
2979 (build_intra_loop_deps): Ditto.
2981 * target.h (struct _dep): Declare to use in
2982 gcc_target.sched.is_costly_dependence.
2983 (struct gcc_target.sched.adjust_cost): Fix typo.
2984 (struct gcc_target.sched.is_costly_dependence): Change signature to use
2985 single dep_t parameter instead of an equivalent triad.
2986 (struct gcc_target.sched.adjust_cost_2): Remove.
2988 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
2990 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
2992 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
2994 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
2996 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
2997 (REG_DEP_TRUE): Document.
2999 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
3000 Change signature to correspond to the targetm.sched.adjust_cost hook.
3001 Update use in TARGET_SCHED_ADJUST_COST_2.
3002 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
3003 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
3004 new scheduler dependencies lists.
3005 (ia64_gen_check): Ditto.
3007 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
3010 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
3011 signature to correspond to the targetm.sched.is_costly_dependence hook.
3012 (is_costly_group): Update to use new scheduler dependencies lists.
3014 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
3015 instead of INSN_COST () macro.
3017 2007-02-01 Ian Lance Taylor <iant@google.com>
3019 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
3021 2007-02-01 Guy Martin <gmsoft@gentoo.org>
3023 * pa.md (tp_load): Correct mfctl instruction syntax.
3025 2007-02-01 Geoffrey Keating <geoffk@apple.com>
3027 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
3028 altivec_padding_size calculation on AIX. Improve comment, add
3029 assert to verify that it's right.
3031 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3034 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
3037 * global.c (global_alloc): Add mising initialization of
3040 2007-02-01 Roger Sayle <roger@eyesopen.com>
3042 * alias.c (init_alias_analysis): Correct whitespace.
3043 * bb-reorder.c (fix_edges_for_rarely_executed_code,
3044 partition_hot_cold_basic_blocks): Likewise.
3045 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3046 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3047 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3048 fold_builtin_snprintf_chk, fold_builtin_printf,
3049 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3050 do_mpfr_arg3, do_mpfr_sincos): Likewise.
3051 * cfgcleanup.c (cleanup_cfg): Likewise.
3052 * cfgexpand.c (tree_expand_cfg): Likewise.
3053 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3054 * function.c (get_next_funcdef_no): Likewise.
3055 * gengtype.c (main): Likewise.
3056 * genmodes.c (main): Likewise.
3057 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3058 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3059 * ifcvt.c (noce_emit_move_insn): Likewise.
3060 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3062 * stor-layout.c (get_best_mode): Likewise.
3063 * tree-ssa-loop-niter.c (get_val_for): Likewise.
3064 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3065 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3066 perform_var_substitution, solve_graph): Likewise.
3067 * tree-vrp.c (vrp_finalize): Likewise.
3069 2007-02-01 Ian Lance Taylor <iant@google.com>
3071 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3072 high part of a paradoxical subreg, return a constant zero.
3074 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
3076 * toplev.c (lang_dependent_init): Call init_set_costs.
3077 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3079 2007-02-01 Richard Guenther <rguenther@suse.de>
3082 * fold-const.c (fold_negate_expr): Allow negating a
3083 constant if overflow does not change.
3085 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3087 * doc/c-tree.texi (Expression trees): Improve markup.
3088 * doc/tm.texi (Register Classes, Addressing Modes)
3089 (Floating Point): Fix spacing after abbreviations. Fix some
3092 2007-02-01 Ben Elliston <bje@au.ibm.com>
3094 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3095 * doc/contrib.texi: Likewise.
3096 * doc/install.texi: Likewise.
3098 2007-01-31 Richard Henderson <rth@redhat.com>
3099 Ian Lance Taylor <iant@google.com>
3101 * lower-subreg.c: New file.
3102 * rtl.def (CONCATN): Define.
3103 * passes.c (init_optimization_passes): Add pass_lower_subreg and
3105 * emit-rtl.c (update_reg_offset): New static function, broken out
3106 of gen_rtx_REG_offset.
3107 (gen_rtx_REG_offset): Call update_reg_offset.
3108 (gen_reg_rtx_offset): New function.
3109 * regclass.c: Revert patch of 2006-03-05, restoring
3111 (clear_reg_info_regno): New function.
3112 * dwarf2out.c (concatn_loc_descriptor): New static function.
3113 (loc_descriptor): Handle CONCATN.
3114 * common.opt (fsplit_wide_types): New option.
3115 * opts.c (decode_options): Set flag_split_wide_types when
3117 * timevar.def (TV_LOWER_SUBREG): Define.
3118 * rtl.h (gen_reg_rtx_offset): Declare.
3119 (reg_scan_update): Declare.
3120 * regs.h (clear_reg_info_regno): Declare.
3121 * tree-pass.h (pass_lower_subreg): Declare.
3122 (pass_lower_subreg2): Declare.
3123 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3124 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
3126 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3127 * Makefile.in (OBJS-common): Add lower-subreg.o.
3128 (lower-subreg.o): New target.
3130 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
3132 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3134 2007-01-31 Anatoly Sokolov <aesok@post.ru>
3137 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3139 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3142 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3144 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
3146 * cfgloop.h: Include vec-prim.h.
3147 (enum li_flags): Remove LI_ONLY_OLD.
3148 (loop_iterator): Changed.
3149 (fel_next, fel_init): Iterate over loop tree.
3150 (FOR_EACH_LOOP_BREAK): New macro.
3151 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3153 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3154 * modulo-sched.c (sms_schedule): Ditto.
3155 * tree-vectorizer.c (vectorize_loops): Ditto.
3156 * doc/loop.texi: Update information on loop numbering and behavior of
3157 FOR_EACH_LOOP wrto new loops.
3158 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3159 add_to_evolution_1): Test nestedness of loops instead of comparing
3161 * tree-chrec.c (chrec_fold_plus_poly_poly,
3162 chrec_fold_multiply_poly_poly, chrec_evaluate,
3163 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3164 reset_evolution_in_loop): Ditto.
3165 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3167 2007-01-31 Dirk Mueller <dmueller@suse.de>
3169 * c-common.c (warn_about_parentheses): Separate warning about
3170 un-parenthized sequence of comparison operators from the one
3171 which is supposed to warn about x <= y <= z.
3173 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
3175 * optabs.h (enum optab_index): Add new OTI_isinf.
3176 (isinf_optab): Define corresponding macro.
3177 * optabs.c (init_optabs): Initialize isinf_optab.
3178 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3180 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3181 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3183 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3184 expand_builtin_interclass_mathfn.
3185 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3186 * config/i386/i386.md (UNSPEC_FXAM): New constant.
3187 (fxam<mode>2_i387): New insn pattern.
3188 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3189 built-in functions as x87 inline asm.
3191 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
3193 * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3195 2007-01-30 Eric Christopher <echristo@apple.com>
3197 * config.gcc: Add geode.
3199 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
3201 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3202 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3203 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3204 value-prof.c: Fix comment typos.
3206 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3209 * doc/invoke.texi (Wpointer-arith): Document warning.
3211 2007-01-30 Janis Johnson <janis187@us.ibm.com>
3213 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3214 the list of discrepancies from the draft TR.
3216 2007-01-30 Dirk Mueller <dmueller@suse.de>
3219 * doc/invoke.texi (-Wreturn-type): Update description to
3222 2007-01-30 Richard Sandiford <richard@codesourcery.com>
3224 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3226 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
3228 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3229 to handle optabs that operate on floating point input argument and
3230 output to integer output.
3231 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3232 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3233 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3234 expand_builtin_interclass_mathfn ().
3235 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3237 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3238 ilogbl built-in functions as x87 intrinsics.
3240 2007-01-30 Richard Guenther <rguenther@suse.de>
3243 * dwarf2out.c (reference_to_unused): Query varpool if the
3244 variable was output.
3246 2007-01-30 Richard Guenther <rguenther@suse.de>
3249 * passes.c (execute_one_pass): Reset in_gimple_form to not
3250 confuse non-unit-at-a-time mode.
3252 2007-01-29 Roger Sayle <roger@eyesopen.com>
3253 Richard Guenther <rguenther@suse.de>
3255 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3256 avoid undefined behaviour on overflow. Use force_fit_type_double
3257 to construct the constant with the specified TREE_OVERFLOW.
3259 2007-01-29 Janis Johnson <janis187@us.ibm.com>
3261 * config/dfp-bit.c: Add parameterized support for fp exceptions.
3262 * config/dfp-bit.h: Ditto.
3264 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3266 * c-decl.c (pop_scope): Replace warnings with call to
3267 warn_for_unused_label.
3268 * c-common.h (warn_for_unused_label): Declare.
3269 * c-common.c (warn_for_unused_label): Define.
3271 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3273 * tree-optimize.c (update_inlined_to_pointers): Delete unused
3276 2007-01-29 Janis Johnson <janis187@us.ibm.com>
3278 * Makefile.in (USER_H): Remove decfloat.h.
3279 * ginclude/decfloat.h: Delete, moving contents to ...
3280 * ginclude/float.h: Add support for decimal floating point,
3281 guarded by __STDC_WANT_DEC_FP__.
3283 2007-01-29 Mike Stump <mrs@apple.com>
3285 * doc/gccint.texi (Top): Rename Loop Representation to Loop
3286 Analysis and Representation to resolve case insensitive conflict.
3287 * doc/loop.texi (Loop Analysis and Representation): Likewise.
3289 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
3291 * tree.h (struct tree_memory_tag): Add aliases member.
3292 (MTAG_ALIASES): New macro.
3293 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3294 (add_may_alias): Remove pointer-set. Update for may_aliases being
3296 (mark_aliases_call_clobbered): Update for may_aliases being a
3298 (compute_tag_properties): Ditto.
3299 (create_partition_for): Ditto.
3300 (compute_memory_partitions): Ditto.
3301 (dump_may_aliases_for): Ditto.
3302 (is_aliased_with): Ditto.
3303 (add_may_alias_for_new_tag): Ditto.
3304 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3305 (compute_is_aliased): New function.
3306 (compute_may_aliases): Call compute_is_aliased).
3307 (init_alias_info): Initialize alias_bitmap_obstack.
3308 (union_alias_set_into): New function.
3309 (compute_flow_sensitive_aliasing): Use union_aliases_into.
3310 (have_common_aliases_p): Rewrite to take two bitmaps and use
3312 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3314 (finalize_ref_all_pointers): Update for add_may_alias changes.
3315 (new_type_alias): Ditto.
3316 * tree-flow-inline.h (may_aliases): Return a bitmap.
3317 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3318 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3319 may_aliases being a bitmap.
3320 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3321 may_aliases now returns a bitmap.
3322 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3324 * tree-ssa-operands.c (add_virtual_operand): Update for
3325 may_aliases being a bitmap.
3327 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
3329 PR tree-optimization/30630
3330 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3331 variable as changed.
3333 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
3336 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3337 expanded only once even if an error occurs.
3339 2007-01-29 Ben Elliston <bje@au.ibm.com>
3341 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3342 (__gcov_average_profiler): Likewise.
3343 (__gcov_ior_profiler): Likewise.
3344 (__gcov_merge_ior): Likewise.
3346 2007-01-28 Jan Hubicka <jh@suse.cz>
3348 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3349 * value-prof.c (stringop_block_profile): Likewise.
3351 2007-01-28 Jan Hubicka <jh@suse.cz>
3353 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3354 variant handling histograms; add wrapper.
3355 (clear_storage_via_libcall): Export.
3356 (emit_block_move_hints): Break out from ...; add histograms.
3357 (emit_block_move): ... this one.
3358 (clear_storage_hints): Break out from ...; add histograms.
3359 (clear_storage): ... this one.
3360 (set_storage_via_memset): Handle histogram.
3361 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3362 (clear_storage_hints, clear_storage_via_libcall): Declare.
3363 (set_storage_via_setmem): Update prototype.
3364 * doc/md.texi (movmem, setmem): Document new arguments.
3366 * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3368 (stringop_block_profile): New global function.
3369 (tree_stringops_values_to_profile): Profile block size and alignment.
3370 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3372 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3373 (stringop_block_profile): Declare.
3374 * builtins.c: Include value-prof.h.
3375 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3376 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3377 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3378 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3379 * profile.c (instrument_values): Add new counters.
3380 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3382 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3383 (tree_init_edge_profiler): Build new profilers.
3384 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3385 (pass_tree_profile): Add dump.
3386 (tree_profile_hooks): Update.
3387 * Makefile.in (LIBGCOV): Add new constants.
3388 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3389 __gcov_ior_profiler): New.
3390 * i386.md (movmem/setmem expanders): Add new optional arguments.
3392 2007-01-28 David Edelsohn <edelsohn@gnu.org>
3394 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3396 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
3398 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3399 (tree_unswitch_single_loop): Pass eni_size_weights to
3400 tree_num_loop_insns.
3401 * tree-ssa-loop-manip.c: Include tree-inline.h.
3402 (can_unroll_loop_p): Pass eni_size_weights to
3403 tree_num_loop_insns.
3404 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3405 Pass eni_size_weights to estimate_num_insns.
3406 * tree.h (init_inline_once): Export.
3407 * toplev.c (backend_init): Call init_inline_once.
3408 * cgraphunit.c (cgraph_process_new_functions,
3409 cgraph_analyze_function): Pass eni_inlining_weights to
3411 * ipa-inline.c (compute_inline_parameters): Ditto.
3412 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3413 to estimate_num_insns.
3414 (try_unroll_loop_completely): Pass eni_size_weights to
3415 tree_num_loop_insns.
3416 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3417 ot estimate_num_insns.
3418 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3419 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3420 * tree-inline.c (eni_inlining_weights, eni_size_weights,
3421 eni_time_weights): New variables.
3422 (init_inline_once): Initialize them.
3423 (struct eni_data): Mew.
3424 (estimate_num_insns_1, estimate_num_insns): Use weights.
3425 * tree-inline.h (struct eni_weights_d): New.
3426 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3427 (estimate_num_insns): Declaration changed.
3428 * cfgloop.h (tree_num_loop_insns): Declaration changed.
3429 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3430 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3432 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
3434 * tree-data-ref.c (conflict_fn): Assert that the number of affine
3435 relations in the conflict function is valid.
3437 2007-01-27 Ian Lance Taylor <iant@google.com>
3439 * common.opt: Add fstrict-overflow.
3440 * opts.c (decode_options): Set flag_strict_overflow if -O2.
3441 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3442 (TYPE_OVERFLOW_UNDEFINED): Define.
3443 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
3445 * tree.h (TYPE_TRAP_SIGNED): Don't define.
3446 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3447 (fold_negate_expr): Likewise.
3448 (make_range): Likewise.
3449 (extract_muldiv_1): Likewise.
3450 (maybe_canonicalize_comparison): Likewise.
3451 (fold_comparison): Likewise.
3452 (fold_binary): Likewise.
3453 (tree_expr_nonnegative_p): Likewise.
3454 (tree_expr_nonzero_p): Likewise.
3455 * tree-vrp.c (compare_values): Likewise.
3456 (extract_range_from_binary_expr): Likewise.
3457 (extract_range_from_unary_expr): Likewise.
3458 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3460 (nowrap_type_p): Likewise.
3461 * tree-scalar-evolution.c (simple_iv): Likewise.
3462 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3463 (build_range_check): Likewise.
3464 (extract_muldiv_1): Likewise.
3465 (fold_comparison): Likewise.
3466 * tree-vrp.c (vrp_int_const_binop): Likewise.
3467 (extract_range_from_unary_expr): Likewise.
3468 * convert.c (convert_to_integer): Likewise.
3469 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3470 (fold_comparison): Likewise.
3471 (fold_binary): Likewise.
3472 * optabs.c (optab_for_tree_code): Likewise.
3473 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3474 * simplify-rtx.c (simplify_const_relational_operation): Check
3475 flag_strict_overflow and flag_trapv.
3476 (simplify_const_relational_operation): Likewise.
3477 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3478 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
3481 2007-01-27 Roger Sayle <roger@eyesopen.com>
3483 * tree.c (tree_fold_gcd): Delete.
3484 * tree.h (tree_fold_gcd): Remove prototype.
3485 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3486 test whether one constant integer is a multiple of another. Instead
3487 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3488 * fold-const.c (multiple_of_p): We've determined both TOP and
3489 BOTTOM are integer constants so we can call int_const_binop directly
3490 instead of the more generic const_binop.
3492 2007-01-27 Roger Sayle <roger@eyesopen.com>
3494 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3495 1*X check that the constant hasn't overflowed, to preserve the
3497 (round_up): Provide an efficient implementation when rouding-up an
3498 INTEGER_CST to a power-of-two.
3500 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3502 * doc/sourcebuild.texi: Add comma for clarity.
3503 * doc/extend.texi: Fix some typos.
3504 * doc/passes.texi: Likewise.
3505 * doc/cppinternals.texi: Likewise.
3506 * doc/c-tree.texi: Likewise.
3507 * doc/tree-ssa.texi: Likewise.
3508 * doc/install.texi: Likewise.
3510 2007-01-27 Jan Hubicka <jh@suse.cz>
3512 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3513 (pass_sra): Do not require alias information.
3514 * passes.c (init_optimization_passes): Add SRA
3516 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
3518 * tracer.c (rest_of_handle_tracer): We already cleaned
3519 up the CFG in tracer() so don't do it here again.
3520 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3521 cleanup_cfg here, either. And don't call renumber_insns.
3523 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3524 and BB_HEAD are in the insn stream here. Instead make sure
3525 that BB_INSN is valid on all insns. Also, do check here that
3526 there are no pending branch predictions...
3527 (rtl_verify_flow_info): ...instead of doing it here. Checks
3528 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3531 2007-01-26 Roger Sayle <roger@eyesopen.com>
3533 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3534 function to simplify/factorize operand order canonicalization.
3535 (ix86_fixup_binary_operands): Reorganize using the above function.
3536 (ix86_binary_operator_ok): Likewise.
3538 2007-01-27 Jakub Jelinek <jakub@redhat.com>
3540 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3541 file scope from optimize_attrs.
3542 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3544 (optimize_attrs): Clear insn_code_values after freeing it.
3546 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
3548 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3549 a parts.base assignment.
3551 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
3553 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3554 (compute_subscript_distance, initialize_data_dependence_relation,
3555 finalize_ddr_dependent, analyze_ziv_subscript,
3556 analyze_siv_subscript_cst_affine,
3557 compute_overlap_steps_for_affine_univar,
3558 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3559 analyze_siv_subscript, analyze_miv_subscript,
3560 analyze_overlapping_iterations, subscript_dependence_tester_1,
3561 compute_self_dependence, free_dependence_relation): Work
3562 with affine_fn instead of chrecs.
3563 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3564 common_affine_function, affine_function_base,
3565 affine_function_constant_p, affine_fn_op, affine_fn_plus,
3566 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3567 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3568 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3569 (all_chrecs_equal_p): Removed.
3570 * tree-data-ref.h (affine_fn, conflict_function): New types.
3571 (struct subscript): Change type of conflicting_iterations_in_a
3572 and conflicting_iterations_in_b.
3574 2007-01-26 Steve Ellcey <sje@cup.hp.com>
3577 * config/pa/pa.h (TARGET_HPUX_11): New.
3578 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3579 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3581 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
3582 Richard Guenther <rguenther@suse.de>
3584 * tree-ssa-structalias.c (solve_graph): Handle case
3585 we merged the variable to another.
3587 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3589 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3592 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3593 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3595 2007-01-25 DJ Delorie <dj@redhat.com>
3597 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3598 allow changes to modes which don't fit in those registers.
3600 * reload1.c (choose_reload_regs): Check for invalid subregs before
3601 computing their locations, not after.
3603 2007-01-25 Geoffrey Keating <geoffk@apple.com>
3606 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3607 save Altivec registers in an eh_return function.
3608 (compute_vrsave_mask): Likewise.
3609 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3610 for saving Altivec registers.
3611 (rs6000_emit_prologue): Don't allocate stack twice in
3612 eh_return function. Correct expected value of altivec_save_offset
3613 when using save_world. Describe save of R0 to stack when using
3614 save_world. Describe stack pointer adjustment when using
3615 save_world. Remove duplicated eh_return parameter register saving.
3616 Update sp_offset variable after save_world.
3617 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3619 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3620 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3623 2007-01-25 Steve Ellcey <sje@cup.hp.com>
3625 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3627 2007-01-25 Steve Ellcey <sje@cup.hp.com>
3630 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3631 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
3633 2007-01-25 Richard Guenther <rguenther@suse.de>
3635 * doc/invoke.texi (-Wcoverage-mismatch): Document.
3636 * common.opt (-Wcoverage-mismatch): New warning option.
3637 * coverage.c (get_coverage_counts): Ignore coverage mismatch
3638 if -Wcoverage-mismatch is given.
3640 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
3642 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3643 (ipcp_driver): Change to static definition.
3644 Add dumping of the ifunctions.
3645 (constant_val_insert): Remove unused parameter. Support for SSA.
3646 (ipcp_propagate_const): Support for SSA.
3647 (ipcp_profile_bb_print): Print only analyzed nodes.
3648 (ipcp_replace_map_create): Remove support for Fortran constant
3650 * ipa-prop.c (ipa_method_modify_stmt,
3651 ipa_callsite_compute_param): Support for SSA.
3652 * ipa-prop.h (ipcp_driver): Remove declaration.
3653 (IS_VALID_TREE_MAP_INDEX): Add define.
3655 2007-01-24 Geoffrey Keating <geoffk@apple.com>
3657 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3659 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3662 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3663 constant argument to cabs and do it without checking for
3664 -funsafe-math-optimizations.
3666 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
3668 * c-common.h (RID_FIRST_CXX0X): New.
3669 (RID_LAST_CXX0X): New.
3670 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3672 * c.opt (Wc++0x-compat): New.
3673 * doc/invoke.texi (-Wc++0x-compat): Document.
3675 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3677 * builtins.c (fold_builtin_carg): New.
3678 (fold_builtin_1): Use it.
3680 2007-01-24 Jan Hubicka <jh@suse.cz>
3682 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3684 * ipa-inline.c (initial_insns, max_insns): Delete.
3685 (compute_max_insns): New function.
3686 (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3687 of insns as base for code growth.
3688 (cgraph_decide_inlining): Make initial_insns local; do not compute
3690 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3691 * doc/invoke.texi (inline-unit-growth): Update docs.
3693 2007-01-24 Jakub Jelinek <jakub@redhat.com>
3695 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3696 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3697 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3698 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
3699 for CPUs that have PTA_CX16 set.
3702 * gimplify.c (omp_check_private): New function.
3703 (gimplify_scan_omp_clauses): Use it for
3704 firstprivate/lastprivate/reduction.
3707 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3708 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3711 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3712 If lower_lastprivate_clauses emits some statements, append them
3713 to dlist rather than body_p and to body_p append an initializer.
3714 (lower_omp_for): Adjust caller.
3716 2007-01-24 Steve Ellcey <sje@cup.hp.com>
3718 * target.h (globalize_decl_name): New.
3719 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3720 * output.h (default_globalize_decl_name): New.
3721 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3723 (globalize_decl): Ditto.
3724 (default_globalize_decl_name): New.
3725 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3726 (ia64_handle_version_id_attribute): New.
3727 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3728 (ia64_asm_output_external): Use globalize_decl_name instead
3730 * doc/extend.texi (version_id): New pragma.
3731 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3733 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
3735 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3736 _uleb128_t and _Unwind_SWord with _sleb128_t.
3737 * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3738 uw_frame_state_for, uw_update_context_1): Likewise.
3739 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3740 * unwind-pe.h (read_uleb128, read_sleb128,
3741 read_encoded_value_with_base): Likewise.
3742 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3744 2007-01-24 Richard Guenther <rguenther@suse.de>
3746 * builtins.c (expand_builtin_cexpi): Get the fndecl
3747 for cexp in the correct way.
3749 2007-01-24 Jan Hubicka <jh@suse.cz>
3751 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3753 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
3755 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3756 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3757 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3758 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3759 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3760 __SIZEOF_PTRDIFF_T__.
3761 * doc/cpp.texi: Documentation for the new builtin macros added.
3763 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
3765 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
3766 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
3767 instead of operands[2] to avoid access past the end of array.
3769 2007-01-24 Richard Sandiford <richard@codesourcery.com>
3771 * reload1.c (emit_reload_insns): Pass the reload register
3772 for a non-spill output reload through forget_old_reloads_1.
3774 2007-01-23 Joseph Myers <joseph@codesourcery.com>
3776 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3777 _SOFT_DOUBLE if doubles use software floating-point.
3778 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
3779 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3780 * config/rs6000/darwin-ldouble.c: Also compile functions for
3781 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
3782 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3783 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
3784 commented-out long double override.
3785 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
3786 * config/rs6000/eabispe.h: Likewise.
3787 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
3788 long double for non-SPE.
3789 (rs6000_handle_option): Likewise.
3790 (invalid_e500_subreg): Disallow more subregs involding DImode,
3791 DFmode, TImode or TFmode.
3792 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
3794 (legitimate_lo_sum_address_p): Also check for TFmode for E500
3796 (rs6000_legitimize_address): Also handle TFmode for E500 double.
3797 (rs6000_legitimize_reload_address): Also handle TFmode for E500
3799 (rs6000_legitimate_address): Also check for TFmode for E500
3801 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
3802 (spe_build_register_parallel): Handle TFmode and TCmode.
3803 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
3805 (function_arg): Handle TFmode and TCmode for E500 double.
3806 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
3808 (print_operand): Handle TFmode and TImode for %y.
3809 (rs6000_generate_compare): Handle TFmode comparisons for E500
3811 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
3812 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
3813 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
3814 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
3815 TFmode for E500 double.
3816 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
3817 (floatsidf2): Enable for E500 double.
3818 (movtf_softfloat): Use rs6000_nonimmediate_operand.
3819 (extenddftf2): Change to extenddftf2_fprs.
3820 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
3821 depending on TARGET_E500_DOUBLE.
3822 (extendsftf2): Enable for E500 double.
3823 (trunctfdf2): Enable for E500 double.
3824 (trunctfsf2): Change to trunctfsf2_fprs.
3825 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
3826 depending on TARGET_E500_DOUBLE.
3827 (floatsitf2): Enable for E500 double.
3828 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
3829 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
3830 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
3831 (negtf2): Change to negtf2_internal.
3832 (negtf2): New expander.
3833 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
3834 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
3835 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
3836 (movdi_internal32): Use rs6000_nonimmediate_operand.
3837 (unnamed splitter): Likewise.
3838 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
3839 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
3840 (SPE64TF, DITI): New mode macros.
3841 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
3844 (frob_<mode>_di_2): New.
3845 (frob_tf_di_8_2): New.
3846 (frob_di_df): Change to frob_di_<mode>; allow more modes.
3848 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
3850 (frob_ti_<mode>_8_2): New.
3851 (frob_ti_tf_2): New.
3852 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
3853 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
3855 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
3856 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
3857 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
3858 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
3859 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
3860 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
3863 2007-01-23 Ian Lance Taylor <iant@google.com>
3865 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
3867 (OBJS-archive): Reformat, alphabetize.
3868 (OBJS): Change out_object_file to OBJS-md.
3870 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
3872 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
3873 JUMP_P and CALL_P predicates where applicable.
3874 * config/i386/i386.c: Ditto.
3875 * config/i386/i386.md: Ditto.
3876 * config/i386/mmx.md: Ditto.
3877 * config/i386/predicates.md: Ditto.
3879 2007-01-22 Andreas Schwab <schwab@suse.de>
3881 * config/m68k/m68k.h: Fix comment.
3883 2007-01-22 Jan Hubicka <jh@suse.cz>
3885 * passes.c (init_optimization_passes): Do not rerun
3886 pass_early_warn_uninitialized.
3888 2007-01-22 Richard Guenther <rguenther@suse.de>
3890 PR tree-optimization/30038
3891 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
3893 (execute_cse_sincos_1): Likewise.
3894 (execute_cse_sincos): Likewise.
3895 (gate_cse_sincos): Likewise.
3896 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
3897 the cexpi() canonicalization of sincos().
3898 * tree-pass.h (pass_cse_sincos): Declare.
3899 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
3901 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3903 PR rtl-optimization/29329
3904 * combine.c (replaced_rhs_insn): Rename to i2mod.
3905 (replaced_rhs_value): Rename to i2mod_new_rhs.
3906 (i2mod_old_rhs): New global variable.
3907 (combine_instructions): Adjust for above change. Save a copy of
3908 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
3909 note are substituted in the second instruction.
3910 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
3911 ditch the note if it pertains to the second eliminated register
3912 and this register is mentioned in i2mod_old_rhs.
3915 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3917 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3918 the insn to which the note was originally attached.
3920 2007-01-21 Jan Hubicka <jh@suse.cz>
3922 * ipa-inline.c (inlining_mode): Comment, move up.
3923 (cgraph_decide_inlining_incrementally): Do not perform inlining
3924 itself; fix handling of flattening of self recursive functions.
3925 (cgraph_find_cycles): Remove.
3926 (cgraph_flatten_node): Remove.
3927 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
3928 (try_inline): New function.
3929 (cgraph_early_inlining): Update call of
3930 cgraph_decide_inlining_incrementally. Apply inlining here.
3931 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
3933 2007-01-21 Dirk Mueller <dmueller@suse.de>
3936 * tree-vrp.c (check_array_bounds): do not warn
3937 about ADDR_EXPR's of ARRAY_REF's which are immediately
3938 used in binary expressions.
3940 2007-01-21 Ira Rosen <irar@il.ibm.com>
3942 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
3943 read_write_dep and macros for its access.
3944 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
3945 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
3946 argument, call vect_check_interleaving for every independent pair of
3947 data-refs. Mark loads that access the same memory location as a store
3949 (vect_check_dependences): Remove.
3950 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
3951 call, fix the call to vect_analyze_data_ref_dependence.
3952 (vect_analyze_data_ref_access): For statements that access the same
3953 data-ref, check that they are not stores; for loads, check that there
3954 is no store that access the same location.
3956 2007-01-20 Roger Sayle <roger@eyesopen.com>
3957 Joseph Myers <joseph@codesourcery.com>
3959 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
3960 (-fdump-rtl-stack): Likewise.
3961 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
3962 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
3963 (-mpt-fixed): Use @minus{} for minus sign.
3964 (Using Precompiled Headers): Fix under/overfull hbox.
3966 2007-01-20 Jan Hubicka <jh@suse.cz>
3968 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
3969 place within annotation.
3971 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3973 * pa.c (output_move_double): Change array size of xoperands to 4.
3975 2007-01-20 Jan Hubicka <jh@suse.cz>
3977 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
3980 2007-01-19 Ian Lance Taylor <iant@google.com>
3982 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
3983 constant to unsigned HOST_WIDE_INT before negating.
3985 2007-01-19 Ian Lance Taylor <iant@google.com>
3987 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
3989 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
3990 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3991 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
3992 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
3993 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
3994 (realloc_vdef, realloc_vuse): Change second parameter to
3996 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
3998 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
3999 unsigned. Change x and lim locals to unsigned.
4000 (realloc_vdef, realloc_vuse): Change num_elem parameter to
4002 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
4003 (copy_virtual_operands): Change i and n locals to unsigned.
4005 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4008 * builtins.c (fold_builtin_1): Handle builtin fdim.
4010 2007-01-20 Jan Hubicka <jh@suse.cz>
4012 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
4013 * tree-ssa-structalias.c (compute_points_to_sets): Do call
4014 init_alias_heapvars.
4015 (init_alias_heapvars): Initialize only when not already initialized.
4016 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
4018 2007-01-19 Roger Sayle <roger@eyesopen.com>
4020 * common.opt (fsigned-zeros): New command line option.
4021 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
4022 of flag_unsafe_math_optimizations.
4023 * opts.c (set_fast_math_flags): The -ffast-math command line option
4024 implies -fno-signed-zeros.
4025 (fast_math_flags_set_p): Likewise.
4027 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
4028 the documentation of -ffast-math appropriately. Wrap long lines.
4030 2007-01-19 Steve Ellcey <sje@cup.hp.com>
4032 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
4033 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
4035 2007-01-19 Tomas Bily <tbily@suse.cz>
4037 * cgraphunit.c (cgraph_finalize_function): Updating of pid
4039 (tree_init_ic_make_global_vars): New function
4040 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
4041 (tree_gen_ic_profiler): New function
4042 (tree_gen_ic_func_profiler): New function
4043 (tree_profiling): Added calling of tree_gen_ic_func_profiler
4044 (tree_profile_hooks): Added hook for indirec/virtual calls
4045 * value-prof.c (tree_find_values_to_profile): New case for
4047 (tree_values_to_profile): Call for determining indirect/virtual
4049 (tree_indirect_call_to_profile): New function
4050 (tree_ic_transform): New function
4051 (tree_ic): New function
4052 (find_func_by_pid): New function
4053 (init_pid_map): New function
4054 (tree_value_profile_transformations): Added check for
4055 indirect/virtual call transformation
4056 * value-prof.h (enum hist_type): New counter type for
4057 indirect/virtual calls
4058 (profile_hooks): Added new hook for profiling indirect/virtual
4060 * profile.c (instrument_values): New case for indirect/virtual
4062 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
4063 (GCOV_COUNTER_V_INDIR): New counter type
4064 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
4065 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
4067 * cgraph.c: Definition of cgraph_max_pid
4068 (cgraph_create_node): Default init of pid attribute
4069 * cgraph.h: Declaration of cgraph_max_pid
4070 (struct cgraph_node): Added pid attribute
4071 * libgcov.c (__gcov_indirect_call_profiler): New function
4072 (__gcov_one_value_profiler_body): New function
4073 (__gcov_one_value_profiler): Body was moved to
4074 __gcov_one_value_profiler_body and calls it
4076 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
4078 * doc/gty.texi (Options): Document the mark_hook option to GTY.
4079 * gengtype.c (write_types_data, write_func_for_structure,
4080 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
4081 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
4082 (walk_type, write_func_for_structure): Generate the mark_hook if
4085 2007-01-19 Jan Hubicka <jh@suse.cz>
4087 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
4088 'early' argument take inlining mode argument specifying whether to
4089 inline for size/speeed or all functions; add support for flattening;
4091 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
4093 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4096 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
4097 the name of the declared identifier.
4099 2007-01-19 Dirk Mueller <dmueller@suse.de>
4101 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
4102 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
4103 duplicate evaluation.
4105 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
4107 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
4108 Macroize expander using X87MODEF12 mode macro. Extend operand 1
4109 to XFMode, use acosxf2 and truncate result to requested mode.
4110 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4111 (asin<mode>2): Similarly, with asin expanders.
4112 (*fscalexf4_i387): Rename from *fscalexf4.
4113 (expNcorexf3): New expander.
4114 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
4115 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
4116 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
4117 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
4118 patterns for SSE math.
4119 (exp10<mode>2): Similarly, with exp10 expanders.
4120 (exp2<mode>2): Similarly, with exp2 expanders.
4121 (expm1<mode>2): Similarly, with expm1 expanders.
4122 (ldexp<mode>3): Similarly, with ldexp expanders.
4123 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
4124 Use gen_truncxf<mode>2_i387_noop to truncate result.
4126 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4128 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
4129 for ColdFire targets.
4131 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
4132 Richard Sandiford <richard@codesourcery.com>
4134 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
4135 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
4136 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
4137 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
4138 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4139 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4141 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4143 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
4144 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
4145 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
4146 (*adddi_dilshr32_cf): New pattern.
4147 (adddi3, subdi3): Remove first alternatives.
4149 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4151 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
4152 implemented using move.l, do not use its cc result for floating-point
4155 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4157 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
4158 from accepting 's' constraints if flag_pic.
4160 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4162 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
4163 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
4164 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
4165 condition from TARGET_68881 to TARGET_HARD_FLOAT.
4167 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
4169 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
4170 ColdFire alternatives.
4171 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
4172 * config/m68k/m68k.md (clzsi2): Define for ColdFire
4173 architectures that support ff1 instruction.
4175 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4176 Julian Brown <julian@codesourcery.com>
4178 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
4179 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
4180 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
4183 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4185 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
4187 (output_move_const_into_data_reg, output_move_simode_const): Delete.
4188 * config/m68k/m68k.c (const_method, const_int_cost): Take a
4189 HOST_WIDE_INT instead of an rtx.
4190 (m68k_rtx_costs): Update call accordingly.
4191 (output_move_const_into_data_reg): Likewise. Fix formatting.
4192 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
4194 (output_move_simode_const): Update calls after above changes.
4195 Rework to use automatic variables and predicates like MEM_P.
4196 * config/m68k/m68k.md (pushexthisi_const): Update call to
4199 2007-01-19 Dirk Mueller <dmueller@suse.de>
4201 * tree-ssa-alias.c (perform_var_substitution): Fix typo
4204 2007-01-19 Richard Guenther <rguenther@suse.de>
4206 * builtins.c (expand_builtin_cexpi): Fall back to expanding
4207 via cexp in case sincos is not available.
4209 2007-01-19 Richard Guenther <rguenther@suse.de>
4211 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
4212 * defaults.h (TARGET_HAS_SINCOS): Default to off.
4213 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
4214 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
4215 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
4216 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
4217 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
4218 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
4220 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
4222 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
4224 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
4225 (atan2xf3): Directly generate RTL pattern.
4226 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
4227 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
4228 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
4229 disable patterns for SSE math.
4230 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
4231 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
4232 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
4233 disable patterns for SSE math.
4235 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
4237 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
4239 2007-01-18 Roger Sayle <roger@eyesopen.com>
4241 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
4242 VIEW_CONVERT_EXPR to the same type as it's operand.
4244 2007-01-18 David Edelsohn <edelsohn@gnu.org>
4246 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
4247 configured for long double 128.
4249 2007-01-18 Mike Stump <mrs@apple.com>
4251 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
4254 2007-01-18 Michael Meissner <michael.meissner@amd.com>
4256 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
4259 2007-01-18 Jan Hubicka <jh@suse.cz>
4261 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
4262 greater than NUM_VOP_FREE_BUCKETS.
4264 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
4266 * tree-ssa-structalias.c: Update comments.
4267 (ptabitmap_obstack): Removed.
4269 (oldpta_obstack): Ditto.
4270 (stats): Add a few members.
4271 (struct variable_info): Remove node, complex, address_taken, and
4272 indirect_target members. Add oldsolution member.
4273 (new_var_info): Do not initialize removed members.
4274 (constraint_expr_type): Remove INCLUDES.
4275 (constraint_graph): Add size, implicit_preds, rep,
4276 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
4277 (FIRST_REF_NODE): New macro.
4278 (LAST_REF_NODE): Ditto.
4279 (FIRST_ADDR_NODE): Ditto.
4280 (find): New function.
4282 (dump_constraint): Do not handle INCLUDES.
4283 (insert_into_complex): Do not insert duplicate constraints.
4284 (condense_varmap_nodes): Renamed and rewritten into ...
4285 (merge_node_constraints): This. Also fix bug in handling of
4286 offseted copy constraints.
4287 (clear_edges_for_node): No longer need to deal with preds at all,
4288 or removing associated preds/succs.
4289 (merge_graph_nodes): Deal with indirect_cycles.
4290 Don't deal with predecessors.
4291 (add_implicit_graph_edge): New function.
4292 (add_pred_graph_edge): Ditto.
4293 (add_graph_edge): Don't deal with predecessors.
4294 (build_constraint_graph): Removed.
4295 (build_pred_graph): New function.
4296 (build_succ_graph): Ditto.
4297 (struct scc_info): Removed in_component. Added roots, dfs, and
4298 node_mapping. Remove visited_index, unification_queue.
4299 (scc_visit): Deal with union-find we do now.
4300 Deal with cycles with REF nodes.
4301 (collapse_nodes): Renamed and rewritten to ...
4302 (unify_nodes): This.
4303 (process_unification_queue): Removed.
4304 (topo_visit): Cleanup
4305 (do_da_constraint): Use find.
4306 (do_sd_constraint): Ditto.
4307 (do_ds_constraint): Ditto.
4308 (do_complex_constraint): Ditto.
4309 (init_scc_info): Update for removed and added members.
4310 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
4311 (find_indirect_cycles): This.
4312 (equivalence_class): New variable.
4313 (label_visit): New function.
4314 (perform_variable_substitution): Rewritten.
4315 (free_var_substitution_info): New function.
4316 (find_equivalent_node): Ditto.
4317 (move_complex_constraints): Ditto.
4318 (eliminate_indirect_cycles): Ditto.
4319 (solve_graph): Only propagate changed bits.
4320 Use indirect cycle elimination.
4322 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
4323 (tree_id_eq): Renamed to ...
4324 (tree_vi_eq): This. Update for member change
4325 (insert_id_for_tree): Renamed and rewritten to ...
4326 (insert_vi_for_tree): This.
4327 (lookup_id_for_tree): Renamed and rewritten to ...
4328 (lookup_vi_for_tree): This.
4329 (get_id_for_tree): Renamed and rewritten to ...
4330 (get_vi_for_tree): Ditto.
4331 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
4332 (process_constraint): Don't handle INCLUDES.
4333 Remove special ADDRESSOF case.
4334 (find_func_aliases): Rewrite to use vi functions instead of id
4336 (create_function_info_for): Ditto.
4337 (create_variable_info_for): Ditto.
4338 (intra_create_variable_infos): Ditto.
4339 (merge_smts_into): Ditto.
4340 (find_what_p_points_to): Ditto.
4341 (init_base_vars): Ditto.
4342 (init_alias_vars): Ditto.
4343 (remove_preds_and_fake_succs): New function.
4344 (dump_sa_points_to_info): Dump new stats.
4345 (dump_solution_for_var): Use find.
4346 (set_used_smts): Fix formatting.
4347 (compute_points_to_sets): Updated for new functions.
4348 (ipa_pta_execute): Ditto.
4350 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
4351 Richard Sandiford <richard@codesourcery.com>
4353 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
4355 * calls.c (expand_call): If the return value is a PARALLEL,
4356 extract its first member.
4357 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
4358 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4359 use FUNCTION_EXTRA_EPILOGUE.
4360 (m68k_function_value): Return a PARALLEL if the return value
4361 is of a pointer type.
4362 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
4363 (FUNCTION_EXTRA_EPILOGUE): Remove.
4364 * config/m68k/m68k.md (D0_REG): New constant.
4366 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
4368 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4369 output a NOP for empty epilogues.
4371 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4373 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
4374 before function. Extend register save check to include all
4375 registers, not just integer ones.
4377 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
4379 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4380 (m68k_use_return_insn): ...this.
4381 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4382 * config/m68k/m68k.c (use_return_insn): Rename to...
4383 (m68k_use_return_insn): ...this.
4384 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4387 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
4389 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4390 nearest even, fix denormal rounding overflow.
4392 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4394 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4395 f%$smove and f%$move.
4396 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4397 (extendsfdf2_cf): Use fdmove instead of f%&move.
4398 (truncdfsf2_cf): Use fsmove instead of f%$smove.
4399 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4401 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4403 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4406 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4408 * real.h (real_format): Add a canonical_nan_lsbs_set field.
4409 (coldfire_single_format): Declare.
4410 (coldfire_double_format): Likewise.
4411 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4412 of qnan_msb_set to determine the lower bits of a canonical
4414 (encode_ieee_double): Likewise.
4415 (encode_ieee_quad): Likewise.
4416 (ieee_single_format): Initialize canonical_nan_lsbs_set.
4417 (mips_single_format): Likewise.
4418 (ieee_double_format): Likewise.
4419 (mips_double_format): Likewise.
4420 (ieee_extended_motorola_format): Likewise.
4421 (ieee_extended_intel_96_format): Likewise.
4422 (ieee_extended_intel_128_format): Likewise.
4423 (ieee_extended_intel_96_round_53_format): Likewise.
4424 (ibm_extended_format): Likewise.
4425 (mips_extended_format): Likewise.
4426 (ieee_quad_format): Likewise.
4427 (mips_quad_format): Likewise.
4428 (vax_f_format): Likewise.
4429 (vax_d_format): Likewise.
4430 (vax_g_format): Likewise.
4431 (i370_single_format): Likewise.
4432 (i370_double_format): Likewise.
4433 (decimal_single_format): Likewise.
4434 (decimal_double_format): Likewise.
4435 (decimal_quad_format): Likewise.
4436 (c4x_single_format): Likewise.
4437 (c4x_extended_format): Likewise.
4438 (real_internal_format): Likewise.
4439 (coldfire_single_format): New real_format.
4440 (coldfire_double_format): Likewise.
4441 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4442 canonical_nan_lsbs_set.
4443 (pdp11_d_format): Likewise.
4444 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4445 if TARGET_COLDFIRE_CPU.
4447 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4449 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4450 (output_call, m68k_legitimize_call_address): Declare.
4451 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4452 parenthesees. Add support for a 'W' constraint.
4453 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4454 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4455 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4456 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4458 (override_options): Initialize them. Do not set flag_no_function_cse
4459 for TARGET_ID_SHARED_LIBRARY.
4460 (m68k_output_pic_call): Delete.
4461 (m68k_legitimize_call_address): New function.
4462 (print_operand): Remove the %o prefix. Handle the %p prefix.
4463 (output_call): New function.
4464 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
4465 target address from the GOT if symbolic jumps are not allowed.
4466 * config/m68k/m68k.md (call, general_operand): Do not set
4467 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
4468 Merge separate flag_pic and !flag_pic define_insns into...
4469 (*call, *call_value): ...these new patterns. Match the address
4470 rather than the containing MEM and require it to be a call_operand.
4471 Use output_call to generate the asm template.
4472 * config/m68k/predicates.md (const_call_operand): New predicate.
4473 (call_operand): Likewise.
4475 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
4477 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4478 (STACK_GROWS_DOWNWARD): Define to 1.
4479 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4480 comments, emphasizing that these values are only defaults.
4481 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4482 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4484 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4486 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4488 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
4489 Richard Sandiford <richard@codesourcery.com>
4491 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4492 (FP_REGNO_P): New macros.
4493 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4494 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4495 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4496 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4498 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
4500 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4501 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4503 * config/m68k/t-floatlib: New file, extracting common code from...
4504 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4505 * config/m68k/t-uclinux: Here.
4506 * config/m68k/fpgnulib.c: Do not compile extendeed precision
4507 routines on ColdFire targets.
4509 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
4511 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4512 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4513 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4514 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4515 explicitly set MOTOROLA to 1.
4516 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4518 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4519 Nathan Sidwell <nathan@codesourcery.com>
4521 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4522 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4523 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4524 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4525 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4526 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4527 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4528 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4529 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4530 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4531 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4532 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4533 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4534 (DBX_REGISTER_NUMBER): Delete.
4535 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4536 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4537 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4539 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4541 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4542 * config/flat.h: New file.
4543 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4545 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4546 indirect references for -msep-data or -mid-shared-library.
4547 Do not use PC-relative code addresses either.
4548 * config/m68k/m68k.c (override_options): Restrict -fPIC error
4550 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
4551 for shared libraries and crt1.o for executables. Use crti.o and
4553 (ENDFILE_SPEC): Use crtend.o and crtn.o.
4554 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4555 Do not add -elf2flt or -shared-lib-id options here.
4556 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
4557 Pass -shared-lib-id if -mid-shared-library, taking the library
4558 identifier from -mshared-library-id if given, otherwise
4560 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4561 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4562 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4563 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4564 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4565 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4567 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4568 jump sequence for ISA A and ISA A+.
4569 (PICJUMP): Likewise.
4571 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4573 * config.gcc (m68k-*-uclinux*): Base the port on the common
4574 and m68k GNU/Linux files rather than on the generic ELF ones.
4575 * config/m68k/uclinux.h (TARGET_VERSION): Override.
4576 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4578 2007-01-18 Julian Brown <julian@codesourcery.com>
4579 Richard Sandiford <richard@codesourcery.com>
4581 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4582 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4583 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4585 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4587 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4589 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4591 * doc/install.texi: Document m68k-uclinuxoldabi.
4592 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4593 * config/m68k/uclinux-oldabi.h: New file, copied from
4594 config/m68k/uclinux.h.
4596 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
4598 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4599 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4600 (m32r_compute_frame_size): Use unsigned for regno.
4601 (m32r_reload_lr): Use gen_frame_mem.
4603 (m32r_output_function_epilogue): Don't output the function epilogue
4605 (m32r_expand_epilogue): New.
4606 (direct_return): Return false if the function has the interrupt
4608 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4609 * config/m32r/m32r.md (epilogue): New expander.
4610 (return_lr, return_rte): New insns.
4611 (return): Make it expander.
4612 (return_normal): New expander.
4614 2007-01-18 Josh Conner <jconner@apple.com>
4617 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4618 support for UNLE, UNLT, UNGE, and UNGT.
4620 2007-01-18 Jan Hubicka <jh@suse.cz>
4622 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4623 * tree-tailcall (add_virtual_phis): Likewise.
4624 (optimize_tail_call): Return TODOs.
4625 (execute_tail_calls): Return TODOs.
4626 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4627 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4629 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4630 Cleanup cfg using TODO.
4631 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4632 * passes.c (execute_function_todo): When cleanup did something, remove
4634 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4635 (make_edges): Don't cleanup_cfg.
4637 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
4639 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4640 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4641 operate on the top of stack.
4642 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4643 register handling of instructions that output to the second
4645 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4646 (move_for_stack_reg): Special-case check for dead destination
4647 stack slot for constant load of 1.0 inside UNSPEC_TAN.
4649 * config/i386/i386.md (UNSPEC_TAN): New constant.
4650 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4651 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4652 to correctly model move of constant 1.0 to top stack slot.
4653 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4654 (unnamed peephole2 pattern): Remove corresponding peephole2
4655 pattern that optimizes tan insn and loading of constant 1.0.
4656 (tanxf2): Use fptanxf4_i387.
4657 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4658 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
4659 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
4660 disable patterns for SSE math.
4661 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4662 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4664 2007-01-18 Dirk Mueller <dmueller@suse.de>
4665 Richard Guenther <rguenther@suse.de>
4668 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4669 * common.opt (Warray-bounds): Add new warning option.
4670 * c-opts.c (c_common_handle_option): Define -Warray-bounds
4672 * Makefile.in: make tree-vrp.o depend on toplev.h
4673 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4675 (check_array_refs, check_array_bounds, check_array_ref): New.
4677 2007-01-18 Jan Hubicka <jh@suse.cz>
4679 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4680 (execute_ssa_ccp): Return flags conditionally.
4681 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4683 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4685 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
4687 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4688 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4690 * Makefile.c (GTFILES): Add cfglayout.h.
4691 * gengtype.c (open_base_files): Likewise.
4692 * cfglayout.c (cfg_layout_function_footer,
4693 cfg_layout_function_header) Reindent to make gengtype happy.
4694 * cfglayout.h (cfg_layout_function_footer,
4695 cfg_layout_function_header): Add GTY(()) marker.
4697 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4699 2007-01-18 Ben Elliston <bje@au.ibm.com>
4701 * genautomata.c (write_automata): Include xstrerror output in the
4702 error message if writing the DFA description file fails.
4704 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
4706 * config/mips/mips-protos.h (mips_output_external): Make it
4708 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4709 * config/mips/mips.c (irix_output_external_libcall): Likewise.
4710 (extern_list): Likewise.
4711 (extern_head): Likewise.
4712 (TARGET_ASM_FILE_END): Likewise.
4713 (mips_file_end): Likewise.
4714 (mips_output_external): Rewritten.
4716 2007-01-18 Ben Elliston <bje@au.ibm.com>
4718 * genpreds.c (write_insn_preds_c): Only write out the function
4719 body for regclass_for_constraint if we have register constraints.
4721 2007-01-17 Tom Tromey <tromey@redhat.com>
4723 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
4724 * doc/install.texi (Testing): Use sourceware.org.
4725 (Binaries): Likewise.
4726 (Specific): Likewise.
4727 * doc/contrib.texi (Contributors): Use sourceware.org.
4729 2007-01-17 Anatoly Sokolov <aesok@post.ru>
4731 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
4732 (AVR_ENHANCED): Rename to ...
4733 (AVR_HAVE_MUL): ... new.
4734 (avr_enhanced_p): Rename to ...
4735 (avr_have_mul_p): ... new.
4736 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
4737 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
4738 * config/avr/avr.c (avr_enhanced_p): Rename to ...
4739 (avr_have_mul_p): ... new.
4740 (base_arch_s): Rename 'enhanced' to 'have_mul'.
4741 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
4742 'avr_enhanced_p' and 'enhanced'.
4743 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
4744 AVR_HAVE_MUL instead of AVR_ENHANCED.
4745 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4746 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
4747 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
4748 instead of AVR_ENHANCED.
4749 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4750 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
4751 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
4753 2007-01-17 Ian Lance Taylor <iant@google.com>
4755 * vec.h (VEC_reserve_exact): Define.
4756 (vec_gc_p_reserve_exact): Declare.
4757 (vec_gc_o_reserve_exact): Declare.
4758 (vec_heap_p_reserve_exact): Declare.
4759 (vec_heap_o_reserve_exact): Declare.
4760 (VEC_OP (T,A,reserve_exact)): New static inline function, three
4762 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
4764 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
4765 (VEC_OP (T,A,copy)) [all versions]: Likewise.
4766 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
4767 * vec.c (calculate_allocation): Add exact parameter. Change all
4769 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
4770 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
4771 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
4772 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
4773 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
4774 (vec_heap_p_reserve_exact): New function.
4775 (vec_heap_o_reserve_exact): New function.
4777 2007-01-17 Jan Hubicka <jh@suse.cz>
4779 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
4781 2007-01-17 Eric Christopher <echristo@apple.com>
4783 * config.gcc: Support core2 processor.
4785 2007-01-16 Jan Hubicka <jh@suse.cz>
4787 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
4788 the names, just unlink the chain so we don't crash on dangling pointers
4791 2007-01-16 Jan Hubicka <jh@suse.cz>
4793 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
4794 * tree-pass.h: Reorder to make IPA passes appear toegher.
4795 (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
4796 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
4797 parameters, do not call early inliner.
4798 * ipa-inline.c: Update comments. Include tree-flow.h
4799 (cgraph_decide_inlining): Do not compute inlining parameters.
4800 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
4801 be called with function context set up.
4802 (pass_ipa_inline): Remove unreachable functions before pass.
4803 (cgraph_early_inlining): Simplify assuming to be called from the
4805 (pass_early_inline): New pass.
4806 (cgraph_gate_ipa_early_inlining): New gate.
4807 (pass_ipa_early_inline): Turn into simple wrapper.
4808 (compute_inline_parameters): New function.
4809 (gate_inline_passes): New gate.
4810 (pass_inline_parameters): New pass.
4811 (apply_inline): Move here from tree-optimize.c
4812 (pass_apply_inline): New pass.
4813 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
4815 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
4817 (tree_function_versioning): Do not allocate dummy struct function.
4818 * tree-inline.h (optimize_inline_calls): Update prototype.
4819 * tree-optimize.c (execute_fixup_cfg): Export.
4820 (pass_fixup_cfg): Remove
4821 (tree_rest_of_compilation): Do not apply inlines.
4822 * tree-flow.h (execute_fixup_cfg): Declare.
4823 * Makefile.in (gt-passes.c): New.
4824 * passes.c: Include gt-passes.h
4825 (init_optimization_passes): New passes.
4826 (nnodes, order): New static vars.
4827 (do_per_function_toporder): New function.
4828 (execute_one_pass): Dump current pass here.
4829 (execute_ipa_pass_list): Don't dump current pass here.
4831 2007-01-16 Janis Johnson <janis187@us.ibm.com>
4833 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
4834 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
4836 2007-01-16 David Edelsohn <edelsohn@gnu.org>
4838 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
4839 (strong_alias): Define.
4840 (__gcc_qmul): Provide non-FMA for soft-float.
4846 (__gcc_qunord): New.
4856 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
4857 soft-float functions.
4858 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
4859 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
4860 about long double soft float.
4862 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
4863 Tehila Meyzels <tehila@il.ibm.com>
4865 * tree-vectorizer.h (is_pattern_stmt_p): New.
4866 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
4867 formatting (tabs instead of spaces). Cleanup and clarify setting
4868 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
4869 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
4870 (vectorizable_type_demotion): Check that types are integral.
4871 (vectorizable_type_promotion): Likewise.
4872 (vectorizable_store): Fix typo. Eliminate new-line at end of
4875 2007-01-16 Jan Hubicka <jh@suse.cz>
4877 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
4880 2007-01-15 Eric Christopher <echristo@apple.com>
4882 * ifcvt.c: Include vec.h, vecprim.h.
4883 (check_cond_move_block): New argument regs.
4884 Reorganize. Add registers used to regs.
4885 (cond_move_process_if_block): Use regs set above as
4888 2007-01-15 Eric Christopher <echristo@apple.com>
4890 * config/darwin.h: Update copyright.
4891 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
4892 (LINK_COMMAND_SPEC): Add -u.
4893 (LINK_SPEC): Fix umbrella for above.
4895 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
4897 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
4900 2007-01-15 Tom Tromey <tromey@redhat.com>
4902 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
4903 * doc/install.texi (Testing): Don't mention jacks.
4904 (Configuration): Document --enable-java-maintainer-mode. Move
4905 --with-java-home to libgcj-specific section. Document
4907 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
4909 2007-01-15 Jan Hubicka <jh@suse.cz>
4911 * tree-ssa-dce.c (DCE_TODOs): New.
4912 (propagate_necessity): Return if something changed.
4913 (eliminate_unnecessary_stmts): Likewise.
4914 (perform_tree_ssa_dce): Return TODO flags when needed.
4915 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
4917 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
4919 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
4920 (fyl2x_extend<mode>xf3_i387): New insn pattern.
4921 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
4922 patterns using X87MODEF12 mode macro. Extend operand 1
4923 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4924 (log10<mode>2): Ditto.
4925 (log2<mode>2): Ditto.
4926 (log1p<mode>2): Ditto.
4927 (logb<mode>2): Ditto.
4928 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
4929 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
4930 (*fxtractxf3_i387): Rename from *fxtractxf3.
4931 (fxtract_extend<mode>xf3_i387): New insn pattern.
4932 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
4933 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
4934 and gen_fyl2xxf3_i387().
4936 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
4938 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
4939 * cfgloopmanip.c (fix_loop_placement): Made static. Use
4940 get_loop_exit_edges. Changed return type to bool.
4941 * cfgloop.h (fix_loop_placement): Declaration removed.
4943 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
4945 * param.h (MIN_VECT_LOOP_BOUND): New.
4946 * params.def (MIN_VECT_LOOP_BOUND): New.
4947 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
4948 argument - minimum threshold for number of iterations.
4949 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
4950 argument to declaration.
4951 * tree-vect-analyze.c (vect_analyze_operations): Check value of
4952 MIN_VECT_LOOP_BOUND.
4953 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
4954 slpeel_tree_peel_loop_to_edge with additional argument.
4955 (vect_do_peeling_for_alignment): Likewise.
4956 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
4958 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
4961 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
4964 2007-01-14 Jan Hubicka <jh@suse.cz>
4966 * tree-dfa.c (remove_referenced_var): New function.
4967 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
4968 prune referenced vars list too.
4969 * tree-flow.h (remove_referenced_var): Declare.
4971 2007-01-14 Jan Hubicka <jh@suse.cz>
4973 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
4975 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
4976 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
4977 * except.h (verify_eh_throw_table_statements): Kill prototype.
4978 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
4979 into call exrepssions.
4980 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
4982 * tree-cfg.c: Include pointer-set.h.
4983 (verify_node_sharing): Work on pointer set.
4984 (verify_eh_throw_stmt_node): New.
4985 (verify_stmts): Use pointers sets, verify throw_stmt.
4987 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
4989 * ipa-reference.c (analyze_function): Consider also addresses taken
4992 2007-01-12 Roger Sayle <roger@eyesopen.com>
4994 * c-typeck.c (null_pointer_constant_p): Replace use of
4995 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
4996 (build_c_cast): Likewise.
4998 2007-01-12 Roger Sayle <roger@eyesopen.com>
5000 * tree.h (force_fit_type_double): Remove unused final argument.
5001 * c-common.c (constant_expression_warning): Replace use of
5002 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5003 (convert_and_check): Likewise.
5004 (shorten_compare): Update call to force_fit_type_double.
5005 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
5006 * convert.c (convert_to_pointer): Update call to
5007 force_fit_type_double.
5008 * fold-const.c (force_fit_type_double): Remove overflowed_const
5010 (int_const_binop, fold_convert_const_int_from_int,
5011 fold_convert_const_int_from_real, fold_div_compare,
5012 fold_sign_changed_comparison, fold_unary, fold_negate_const,
5013 fold_abs_const, fold_not_const): Remove the final argument from
5014 calls to force_fit_type_double.
5016 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
5018 * configure.ac: Set insn to "nop" for spu-*-* also.
5019 * configure: Regenerate.
5021 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
5023 * builtins.def : Add BUILT_IN_FREE.
5025 2007-01-12 Jan Hubicka <jh@suse.cz>
5027 PR tree-optimization/30443
5028 * tree-inline.c (tree_function_versioning): Do not optimize when
5029 cloning for inlining.
5031 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
5033 * doc/loop.texi: Document recording of loop exits.
5034 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
5035 (update_single_exits_after_duplication,
5036 update_single_exit_for_duplicated_loop,
5037 update_single_exit_for_duplicated_loops): Removed.
5038 (duplicate_loop_to_header_edge): Do not call
5039 update_single_exits_after_duplication and
5040 update_single_exit_for_duplicated_loops.
5041 (loop_version): Do not update single_exit information.
5042 (fix_loop_structure): Use record_loop_exits instead of
5043 mark_single_exit_loops.
5044 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
5045 the lists of loop exits.
5046 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
5047 split_edge, merge_blocks): Update the lists of loop exits.
5048 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
5049 loop_optimizer_init.
5050 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
5051 of mark_single_exit_loops.
5052 (loop_optimizer_finalize): Call release_recorded_exits.
5053 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
5054 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
5055 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
5056 update single exit information.
5057 * lambda-code.c (perfect_nestify): Ditto.
5058 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
5059 (mark_single_exit_loops): Removed.
5060 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
5061 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
5062 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
5064 (get_loop_exit_edges, single_exit): Use recorded exit lists.
5065 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
5066 (verify_loop_structure): Verify consistency of the exit lists.
5067 (flow_loops_find): Use alloc_loop. Initialize exits hash.
5068 (set_single_exit): Removed.
5069 * cfgloop.h (struct loop_exit): New function.
5070 (struct loop): single_exit_ field replaced by exits field.
5071 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
5072 (struct loops): Added exits hash.
5073 (mark_single_exit_loops, set_single_exit): Declaration removed.
5074 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
5076 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5078 * doc/invoke.texi: Avoid use of @headitem.
5080 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5082 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
5084 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5086 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
5089 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
5090 Richard Sandiford <richard@codesourcery.com>
5092 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
5093 * config/m68k/m68k.opt: Resort options.
5094 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
5096 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
5097 Richard Sandiford <richard@codesourcery.com>
5099 * doc/invoke.texi: Document the macros that are defined by
5100 m68k's -mtune and -mhard-float options.
5101 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
5102 (m68k_cpp_cpu_family): Likewise.
5103 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
5104 of __ucfv*__ macros. Define __mcffpu__ if generating code for
5105 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
5106 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
5107 (m68k_cpp_cpu_family): Likewise.
5109 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5111 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
5112 macros besides mc68000 as tuning macros. Use a switch statement
5113 to set them and mcpu32.
5115 2007-01-12 Julian Brown <julian@codesourcery.com>
5117 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
5118 (TARGET_68040_ONLY): Rename to...
5119 (TARGET_68040): ...this.
5120 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
5121 * config/m68k/m68k.md: Likewise.
5123 2007-01-12 Julian Brown <julian@codesourcery.com>
5124 Nathan Sidwell <nathan@codesourcery.com>
5125 Richard Sandiford <richard@codesourcery.com>
5127 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
5128 the -mcpu= argument associated with the --with-cpu setting.
5129 Define M68K_DEFAULT_TUNE to the default -mtune= option,
5130 if different from the one implied by the -mcpu setting.
5131 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
5132 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
5133 * doc/invoke.texi: Mention ColdFire in the introduction to the
5134 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
5135 -mno-div and -mhard-float options. Make -m68881 a synonym for
5136 -mhard-float. Document the previously-undocumented -m5206e,
5137 -m528x, -m5307 and -m5407 options. Tweak the existing option
5138 documentation for consistency.
5139 * doc/install.texi: Mention new --with-cpu arguments.
5140 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
5141 default CPU if neither -mcpu nor -march are specified.
5142 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
5143 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
5144 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
5145 using m68k_tune to decide between families that implement the
5146 same ISA. Use m68k_tune to set __mcfv4e__.
5147 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
5148 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
5149 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
5150 (FL_ISA_C, FL_ISA_MMU): New macros.
5151 (MASK_COLDFIRE): Delete.
5152 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
5153 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
5154 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
5155 (TARGET_HARD_FLOAT): Do not define here.
5156 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
5157 (TUNE_68000): New macro.
5158 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
5159 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
5160 (TUNE_CFV2): Redefine in terms of m68k_tune.
5161 (uarch_type, target_device, fpu_type): New enums.
5162 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
5163 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
5164 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
5165 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
5166 (FL_FOR_isa_c): New macros.
5167 (m68k_isa): New enum.
5168 (m68k_target_selection): New structure.
5169 (all_devices, all_isas, all_microarchs): New tables.
5170 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
5171 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
5172 (MASK_ALL_CPU_BITS): Delete.
5173 (m68k_find_selection): New function.
5174 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
5175 Map the legacy target options to a combination of the new ones.
5176 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
5177 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
5178 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
5180 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
5181 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
5183 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
5184 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
5185 * config/m68k/m68k-devices.def: New file.
5187 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5188 Nathan Sidwell <nathan@codesourcery.com>
5190 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
5191 (SUBTARGET_EXTRA_SPECS): New macros.
5192 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
5193 use %(asm_cpu_spec) instead.
5194 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
5195 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
5196 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
5197 (EXTRA_SPECS): Rename to...
5198 (SUBTARGET_EXTRA_SPECS): ...this.
5200 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
5201 Richard Sandiford <richard@codesourcery.com>
5202 Julian Brown <julian@codesourcery.com>
5204 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5205 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
5206 to the configuration's default CPU.
5207 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
5208 Remove default masks.
5209 (m680[012]0-*-*): Set the default with_cpu to the first part of
5211 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
5212 (m68k*-*-linux): Extend the --with-cpu handling to...
5213 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
5214 and m68010. Don't set target_cpu_default2.
5215 * doc/install.texi: Document --with-cpu for m68k.
5216 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
5217 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
5218 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
5219 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
5220 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
5221 (ASM_SPEC): Remove use of %(asm_cpu_default).
5222 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
5223 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
5224 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
5225 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
5226 __HAVE_FPU__ if TARGET_HARD_FLOAT.
5227 (TARGET_DEFAULT): Delete.
5228 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
5229 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
5230 (CPP_CPU_SPEC): Delete.
5231 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
5232 the appropriate string.
5233 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
5234 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
5235 (ASM_SPEC): Don't use %(asm_default_spec).
5236 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5237 TARGET_DEFAULT and add MASK_68881.
5238 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
5240 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5242 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
5243 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
5244 MASK_68010 alongside MASK_68020.
5245 * doc/invoke.texi: Document -m68010.
5246 * config/m68k/m68k.opt (m68010): New.
5247 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
5249 (TUNE_68010): New macro.
5250 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
5251 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
5252 (M68K_CPU_m68332): Add MASK_68010.
5253 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
5254 fallback definition.
5255 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
5257 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
5258 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
5259 to all entries that use MASK_68020.
5260 (output_move_simode_const, output_move_himode, output_move_qimode)
5261 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
5262 instead of TARGET_68020 to select clr behavior. Remove comment
5263 about there being no TARGET_68010.
5264 * config/m68k/m68k.md: Likewise throughout.
5266 2007-01-12 Julian Brown <julian@codesourcery.com>
5268 * config/m68k/m68k.h (TARGET_ISAB): New macro.
5269 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
5270 * config/m68k/m68k.md: Likewise.
5272 2007-01-12 Julian Brown <julian@codesourcery.com>
5274 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
5275 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
5277 2007-01-12 Julian Brown <julian@codesourcery.com>
5279 * config/m68k/m68k.h (TUNE_68040_60): New macro.
5280 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
5281 * config/m68k/m68k.md: Likewise.
5283 2007-01-12 Julian Brown <julian@codesourcery.com>
5284 Richard Sandiford <richard@codesourcery.com>
5286 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
5287 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
5288 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
5290 (TARGET_CPU32): Rename to...
5291 (TUNE_CPU32): ...this.
5292 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
5293 (TUNE_CFV2): New macros.
5294 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
5295 remove conditions that are implied by TARGET_68020.
5296 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
5297 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
5298 (m68k_output_function_epilogue): Likewise.
5299 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
5300 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
5301 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
5302 non-68000 timings. Refactor multiplication and division costs.
5303 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
5304 TUNE_CPU32 instead of TARGET_CPU32.
5305 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
5306 and TUNE_68060 instead of TARGET_68060.
5307 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
5308 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
5310 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
5311 && !TARGET_COLDFIRE" to choose between moveq and clr.
5312 Likewise in the unnamed movsf pattern.
5313 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
5314 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
5317 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5319 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
5320 of tabbing before backslashes.
5322 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5324 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
5325 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
5326 (ASM_OUTPUT_INTERNAL_LABEL): Define.
5328 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5330 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
5331 find_interesting_uses_cond.
5332 (find_interesting_uses_cond): Use extract_cond_operands.
5333 (rewrite_use_compare): Use extract_cond_operands and
5334 force_gimple_operand_bsi. Do not call update_stmt.
5335 (determine_use_iv_cost_condition): Use extract_cond_operands.
5336 Return cheaper of using original bound and changing the exit bound.
5338 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5340 PR tree-optimization/29516
5341 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
5342 most_expensive_mult_to_index, addr_to_parts,
5343 create_mem_ref, maybe_fold_tmr): Make the type of
5344 fields of TARGET_MEM_REF sizetype.
5345 (move_fixed_address_to_symbol, move_pointer_to_base):
5347 * tree.def (TARGET_MEM_REF): Add comment on types of
5350 2007-01-11 Joseph Myers <joseph@codesourcery.com>
5352 * c-common.c (vector_types_convertible_p): Treat opaque types as
5353 always convertible if they have the same size, but not otherwise.
5355 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
5357 * ifcvt.c (struct noce_if_info): Add comments to the fields.
5358 Remove the b_unconditional field.
5359 (noce_try_sign_mask): Do not look at b_unconditional.
5360 (noce_process_if_block): Do not use merge_if_blocks. Update
5361 the CFG here. Do not set b_unconditional.
5362 (cond_move_process_if_block): Likewise.
5363 (find_cond_trap): Likewise.
5364 (check_cond_move_block): Require simple jump insns at the end
5367 2007-01-11 Jan Hubicka <jh@suse.cz>
5369 PR tree-optimization/1046
5370 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
5371 when alias info is not ready.
5372 (pass_tail_recursion): Do not require aliasing.
5373 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
5374 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
5375 * tree-ssa-copy.c (pass_copy_prop): Likewise.
5376 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5377 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
5378 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
5379 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
5381 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
5382 When aliasing is not build, mark statement as volatile.
5384 2007-01-11 Tom Tromey <tromey@redhat.com>
5386 PR preprocessor/15185, PR preprocessor/20989:
5387 * doc/cppopts.texi <-MT>: Update description of algorithm for
5388 computing default target.
5389 <-M, -MD>: Reword "basename" text.
5391 2007-01-11 Roger Sayle <roger@eyesopen.com>
5393 * builtins.c (expand_builtin_pow, expand_builtin_powi,
5394 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
5395 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5396 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
5397 fold_builtin_bswap, real_constp, fold_builtin_pow,
5398 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
5399 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
5400 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5401 * convert.c (convert_to_pointer): Likewise.
5402 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
5403 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
5404 const_binop, fold_convert_const_int_from_int,
5405 fold_convert_const_int_from_real,
5406 fold_convert_const_real_from_real, sign_bit_p,
5407 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5408 fold_sign_changed_comparison, fold_unary, fold_comparison,
5409 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5410 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5411 * print-tree.c (print_node_brief, print_node): Likewise.
5412 * stor-layout.c (place_field, layout_type): Likewise.
5413 * tree-chrec.c (keep_cast): Likewise.
5414 * tree.c (build_vector, build_real, build_real_from_int_cst,
5415 build_complex): Likewise.
5417 2007-01-11 Roger Sayle <roger@eyesopen.com>
5419 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
5420 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5422 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
5424 * configure.ac (strict1_warn): Rename to strict_warn.
5425 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5426 cc_set_by_configure, quoted_cc_set_by_configure,
5427 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5428 all_boot_languages, all_stagestuff): Remove.
5429 (target_list): Remove bootstrap targets.
5430 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5431 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5432 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5433 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5434 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5435 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5436 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5437 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5438 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5439 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5440 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5441 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5442 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5443 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5444 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5445 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5446 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5447 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5448 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5449 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5450 (mostlyclean): Adjust.
5451 (clean, distclean): Don't mention bootstrap stuff.
5452 * configure: Regenerate.
5453 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5454 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5455 treelang/config-lang.in (stagestuff): Remove.
5456 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5457 stageprofile, stagefeedback, stagestuff): Remove mention.
5459 2007-01-11 Nick Clifton <nickc@redhat.com>
5461 * config/mcore/predicates.md (mcore_general_movesrc_operand):
5463 (mcore_general_movdst_operand): Do not accept CONST_INTs.
5464 (mcore_arith_K_S_operand): Run the test for the S constraint not
5465 the test for the M constraint.
5466 (mcore_addsub_operand): Do not accept integer values that are
5467 larger than 32 bits.
5468 * config/mcore/mcore.md: Remove unused constraints from split.
5469 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5471 (allocate_stack): Likewise.
5472 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5473 operands to 32 bits.
5474 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5476 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5477 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5478 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5479 mcore_output_bclri, mcore_output_andn, output_inline_const,
5480 mcore_output_move, mcore_output_movedouble): Likewise.
5481 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5482 (output_inline_const): Likewise.
5483 (output_inline_const): Fix format strings used in sprintf
5485 * config/mcore/mcore-protos.h: Update prototypes for changed
5486 functions in mcore.c.
5487 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5488 HOST_WIDE_INT and not int.
5489 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5490 CONST_OK_FOR_N): Likewise.
5491 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5492 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5495 2007-01-10 Jan Hubicka <jh@suse.cz>
5497 * tree-vrp.c (remove_range_assertions): Release defs.
5498 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5499 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5501 2007-01-10 Paul Brook <paul@codesourcery.com>
5503 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5504 * config/arm/arm.md (mulsi3subsi): New insn.
5506 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
5508 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5509 (tree_transform_and_unroll_loop): New.
5510 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5513 2007-01-10 Robert Kennedy <jimbob@google.com>
5515 * fold-const.c (fold_comparison): Fold comparisons like (x *
5516 1000 < 0) to (x < 0).
5518 2007-01-10 Ian Lance Taylor <iant@google.com>
5520 * tree-pretty-print.c (dump_generic_node): Print parentheses when
5521 operands have the same priority.
5523 2007-01-10 Tom Tromey <tromey@redhat.com>
5525 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5526 (fold_binary): Likewise.
5527 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5528 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5529 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5530 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5531 * langhooks.h (struct lang_hooks): Removed field
5532 'can_use_bit_fields_p'.
5534 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
5536 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5538 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
5540 * function.c (get_last_funcdef_no): New function.
5541 * function.h (get_last_funcdef_no): Declare.
5542 * tree-inline.c (initialize_cfun): Add initialization.
5543 (tree_function_versioning): Cleanup.
5545 2007-01-10 Jan Hubicka <jh@suse.cz>
5547 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5550 2007-01-10 Sa Liu <saliu@de.ibm.com>
5551 Ben Elliston <bje@au.ibm.com>
5553 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5554 for SAVE_NONLOCAL and Pmode for any other save level.
5555 * spu-protos.h (spu_restore_stack_block): Declare.
5556 * spu.md (save_stack_block): Remove.
5557 (restore_stack_block): Call spu_restore_stack_block.
5558 * spu.c (spu_restore_stack_block): New function.
5559 (spu_expand_epilogue): Remove old comment.
5561 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
5563 PR tree-optimization/30322
5564 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5565 (cand_value_at): Return the value as aff_tree.
5566 (may_eliminate_iv): Convert the bound from aff_tree to tree.
5567 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5568 aff_combination_mult): New functions.
5569 (aff_combination_add): Use aff_combination_add_cst.
5570 (aff_combination_convert): Allow conversions to a wider type.
5571 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5572 * tree-affine.h (aff_combination_mult): Declare.
5574 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
5576 * doc/tm.texi: Update documentation to reflect reality of exec
5577 and start file search behaviours. Update copyright year.
5578 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5579 header file directories.
5581 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
5583 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5584 (*cosxf2): Rename to cosxf2_i387.
5585 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
5586 using X87MODEF12 mode macro. Rename patterns to
5587 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
5589 (*cosdf2, *cossf2): Ditto.
5590 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
5591 to match extended input operands.
5592 (sincos<mode>3): New expander.
5593 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5594 insn patterns and corresponding splitters.
5596 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
5598 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5599 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5601 2007-01-09 Nicolas Pitre <nico@cam.org>
5604 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5606 2007-01-08 Geoffrey Keating <geoffk@apple.com>
5608 * target.h (struct gcc_target): New field library_rtti_comdat.
5609 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5610 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5611 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5612 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5614 2007-01-08 Geoffrey Keating <geoffk@apple.com>
5616 * doc/invoke.texi (Optimize Options): Correct description of -O0.
5618 2007-01-08 Richard Guenther <rguenther@suse.de>
5620 * tree.h (force_fit_type_double): Export.
5621 (force_fit_type): Remove.
5622 * fold-const.c (force_fit_type_double): New function.
5623 (force_fit_type): Remove.
5624 (int_const_binop): Use it.
5625 (fold_convert_const_int_from_int): Likewise.
5626 (fold_convert_const_int_from_real): Likewise.
5627 (fold_div_compare): Likewise.
5628 (fold_sign_changed_comparison): Likewise.
5629 (fold_unary): Likewise.
5630 (fold_negate_const): Likewise.
5631 (fold_abs_const): Likewise.
5632 (fold_not_const): Likewise.
5633 * c-common.c (shorten_compare): Use force_fit_type_double.
5634 * convert.c (convert_to_pointer): Likewise.
5636 2007-01-08 Richard Guenther <rguenther@suse.de>
5638 * tree.h (build_int_cst_wide_type): Export.
5639 * tree.c (build_int_cst_wide_type): New function.
5640 (build_int_cst_wide): Fix comment.
5641 * builtins.c (fold_builtin_object_size): Use build_int_cst
5642 to build -1 or 0 of the correct type. Use fit_double_type
5643 to check for overflow.
5644 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5646 (decode_field_reference): Likewise.
5647 (all_ones_mask_p): Likewise.
5648 (native_interpret_int): Use build_int_cst_wide_type.
5649 (fold_binary): Use build_int_cst_type to build an all-ones
5651 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5653 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
5655 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5657 2007-01-09 Ben Elliston <bje@au.ibm.com>
5659 * genautomata.c (STATS_OPTION): New option.
5660 (stats_flag): New flag.
5661 (gen_automata_option): Handle it.
5662 (initiate_automaton_gen): Ditto.
5663 (write_automata): Output statistics only if stats_flag is
5664 set. Likewise, output time statistics only if time_flag is set.
5665 * doc/md.texi (Processor pipeline description): Document new flag.
5667 2007-01-08 Richard Guenther <rguenther@suse.de>
5669 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5670 * tree.c (build_int_cst_type): Likewise.
5671 (size_in_bytes): Don't call force_fit_type on the result.
5672 (int_fits_type_p): Use fit_double_type.
5673 * fold-const.c (fit_double_type): New function.
5674 (force_fit_type): Use it.
5675 * tree.h (fit_double_type): Export.
5677 2007-01-08 Jan Hubicka <jh@suse.cz>
5679 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5680 * ipa.c (function_and_variable_visibility): Fix return type.
5682 2007-01-08 Richard Guenther <rguenther@suse.de>
5684 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5685 of offset to build the index.
5686 * tree-pretty-print.c (dump_generic_node): Don't build negated
5687 const just for printing.
5688 * c-pretty-print.c (pp_c_integer_constant): Likewise.
5689 * builtins.c (fold_builtin_int_roundingfn): Check if result
5690 fits the type by using force_fit_type and comparing the result.
5691 * predict.c (predict_loops): Use compare_tree_int for comparison.
5692 * tree.c (build_int_cst): Fall back to integer_type_node for
5694 (build_int_cst_wide): Assert type is non-null.
5696 2007-01-08 Roberto Costa <roberto.costa@st.com>
5698 * tree-vrp.c (extract_range_from_cond_expr): New.
5699 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5700 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5702 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5703 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5704 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5705 used as expressions.
5706 * tree-object-size.c (cond_expr_object_size): New.
5707 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5709 2007-01-08 Jan Hubicka <jh@suse.cz>
5711 * tree-ssa-forwprop.c (forward_propagate_into_cond,
5712 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5715 2007-01-08 Richard Guenther <rguenther@suse.de>
5717 PR tree-optimization/23603
5718 * tree-vrp.c (set_value_range_to_truthvalue): New function.
5719 (extract_range_from_binary): Fall back to truthvalue instead of
5720 varying for TRUTH_*_EXPR.
5721 (extract_range_from_comparison): Fall back to truthvalue instead of
5723 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
5724 if all visited PHI values were constant.
5726 2007-01-08 Jan Hubicka <jh@suse.cz>
5728 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
5729 (cgraph_analyze_function): break out from ...
5730 (cgraph_finalize_compilation_unit): ... here.
5731 (cgraph_expand_function): Remove forgoten commented out line.
5732 (cgraph_optimize): Analyze functions.
5734 2007-01-08 Jan Hubicka <jh@suse.cz>
5736 * tree-pas.h (TODO_remove_function): New flag.
5737 (TODO_update*): Renumber.
5738 (pass_ipa_increase_alignment,
5739 pass_ipa_function_and_variable_visibility): New passes.
5740 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
5741 (cgraph_function_and_variable_visibility): Move to ipa.c
5742 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
5743 cgraph_increase_alignment.
5744 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
5745 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
5746 calling tree-inline.
5747 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
5748 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
5749 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
5750 (gate_increase_alignment): New function.
5751 (pass_ipa_increase_alignment): New pass.
5752 * ipa.c: Inline tree-pass.h and timevar.h
5753 (function_and_variable_visibility): Move here from cgraphunit.c
5754 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
5755 * passes.c (init_optimization_passes): Add the two new passes.
5756 (execute_todo): Handle cgraph_remove_functions.
5758 2007-01-08 Nick Clifton <nickc@redhat.com>
5760 * config/frv/predicates.md (reg_or_0_operand): Accept
5763 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
5765 * config/bfin/rtems.h, config/bfin/t-rtems: New.
5766 * config.gcc: Add bfin*-rtems*.
5768 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
5770 * c.opt: Add -flax-vector-conversions.
5771 * c-typeck.c (convert_for_assignment): Pass flag to
5772 vector_types_convertible_p to allow emission of note.
5773 (digest_init): Likewise.
5774 * c-opts.c: Handle -flax-vector-conversions.
5775 * c-common.c (flag_lax_vector_conversions): New.
5776 (vector_types_convertible_p): Unless -flax-vector conversions
5777 has been passed, disallow conversions between vectors with
5778 differing numbers of subparts and/or element types. If such
5779 a conversion is disallowed, possibly emit a note on the first
5780 occasion only to inform the user of -flax-vector-conversions.
5781 The new last argument specifies this.
5782 * c-common.h (flag_lax_vector_conversions): New.
5783 (vector_types_convertible_p): Add extra argument.
5784 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
5785 char_type_node for V*QI type vectors.
5786 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
5787 Update to satisfy new typechecking rules.
5788 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
5790 * doc/invoke.texi (C Dialect Options): Document
5791 -flax-vector-conversions.
5793 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
5795 PR tree-optimization/29877
5796 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
5797 a register variable on the RHS to not be replaceable.
5799 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
5800 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
5801 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
5802 const_simm15, const_pow2, const_npow2): Added.
5803 * config/score/misc.md (insv, extv, extzv, movmemsi,
5804 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
5805 * config/score/score.c (score_address_cost, score_select_cc_mode):
5807 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
5808 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
5809 Update score_print_operand.
5810 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
5811 Adjust register allocate order and update some macro define.
5812 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
5813 mdx_block_move_straight, mdx_block_move_loop_head,
5814 mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
5815 mdx_block_move): Added.
5816 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
5817 mdp_limm): Updated and fix some bug and typo.
5818 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
5819 (movsf, movdf, doloop_end): Added.
5821 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
5823 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
5824 config/arm/thumb2.md: Fix comment typos.
5825 * doc/extend.texi: Fix a typo.
5827 2007-01-07 Eric Christopher <echristo@apple.com>
5829 * configure.ac: Check for __stack_chk_fail for darwin.
5830 * configure: Regenerate.
5832 2007-01-07 Richard Guenther <rguenther@suse.de>
5834 * tree-vrp.c (extract_range_from_assert): CSE calls to
5835 compare_values where possible.
5836 (extract_range_from_unary_expr): Likewise.
5838 2007-01-07 Anatoly Sokolov <aesok@post.ru>
5840 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
5841 * config/avr/avr.c (call_insn_operand): Delete function.
5842 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
5843 instead of register number. Use predicates.
5844 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
5845 call_insn_operand): Add.
5847 2007-01-06 Jan Hubicka <jh@suse.cz>
5849 * tree-pass.h (pass_build_cgraph_edges): Declare.
5850 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
5851 (visited_nodes): Remove.
5852 (cgraph_create_edges): Move to cgraphbuild.c; rename to
5853 build_cgrpah_edges; make visited_nodes local.
5854 (cgraph_process_new_functions): DO not call initialize_inline_failed.
5855 (record_references_in_initializer): Move to cgraphbuild.c
5856 (initialize_inline_failed, rebuild_cgraph_edges,
5857 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
5858 (verify_cgraph_node): Make visited_nodes local.
5859 (cgraph_analyze_function): Do not call cgraph_create_edges and
5860 initialize_inline_failed.
5861 (cgraph_expand_function): Do not call cgraph_lower_function;
5862 assert that function is already lowered.
5863 * Makefile.in (cgraphbuild.o): New.
5864 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
5865 at the end of lowering passes.
5867 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
5869 * ifcvt.c (cond_move_convert_if_block): New function, code
5870 factored out from...
5871 (cond_move_process_if_block): ...here. Call the new function
5872 on the THEN and ELSE blocks.
5873 (merge_if_block): Do not copy global_live_at_end, merge_blocks
5874 already takes care of this.
5876 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5879 * tree.h (TREE_OVERFLOW_P): New.
5880 * c-typeck.c (parser_build_unary_op): Warn only if result
5881 overflowed and operands did not.
5882 (parser_build_binary_op): Likewise.
5883 (convert_for_assignment): Remove redundant overflow_warning.
5884 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
5886 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5888 * c-typeck.c (store_init_value): Split over two lines to follow
5889 the GNU coding style.
5891 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
5893 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
5894 __GXX_EXPERIMENTAL_CXX0X__.
5895 * doc/cpp.texi: Same.
5897 2007-01-05 Richard Guenther <rguenther@suse.de>
5900 * tree.c (get_narrower): Do not construct COMPONENT_REFs
5901 with mismatched types. Instead explicitly build a
5902 conversion NOP_EXPR.
5904 2007-01-05 Ian Lance Taylor <iant@google.com>
5906 * c-common.c (decl_with_nonnull_addr_p): New function.
5907 (c_common_truthvalue_conversion): Call it.
5908 * c-typeck.c (build_binary_op): Likewise.
5909 * c-common.h (decl_with_nonnull_addr_p): Declare.
5911 2007-01-05 Jakub Jelinek <jakub@redhat.com>
5914 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
5917 2007-01-05 Joel Brobecker <brobecker@adacore.com>
5919 * doc/install.texi (Final install): Document the fact that
5920 the GNAT runtime should not be stripped.
5922 2007-01-04 Jan Hubicka <jh@suse.cz>
5924 * tree-inline.c (fold_marked_statements): Update operand caches
5925 and EH after folding
5927 2007-01-04 Ian Lance Taylor <iant@google.com>
5929 * c-common.c (check_function_nonnull): Whitespace fix.
5931 2007-01-04 Jan Hubicka <jh@suse.cz>
5933 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
5934 comitted older version of patch.
5935 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
5936 function, celanup cfg and collect garbage.
5938 2007-01-04 Mike Stump <mrs@apple.com>
5940 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
5943 2007-01-04 Eric Christopher <echristo@apple.com>
5945 * libgcc2.c (__bswapsi2): Use SItype.
5946 (__bswapdi2): Use DItype.
5947 * libgcc2.h: Update for above.
5949 2007-01-04 Paul Brook <paul@codesourcery.com>
5951 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
5952 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
5953 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
5954 umulsidi3, umulsidi3adddi, smulsi3_highpart,
5955 umulsi3_highpart): Make conditional on !arm_arch6.
5956 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
5957 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
5958 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
5959 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
5960 umulsi3_highpart_v6): New insns.
5962 2007-01-04 Roger Sayle <roger@eyesopen.com>
5964 * fold-const.c (fold_convert): When casting an expression to void,
5965 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
5966 have a type. Instead of attempting to build a NOP_EXPR, return
5967 these "special" trees directly.
5969 2007-01-04 Joseph Myers <joseph@codesourcery.com>
5971 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
5972 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
5973 rs6000_cost->fp not 0 as adjustment for outer NEG.
5975 2007-01-04 Jan Hubicka <jh@suse.cz>
5977 * cgraph.c (cgraph_release_function_body): New function.
5978 (cgraph_remove_node): Use it.
5979 * cgraph.h (cgraph_release_function_body): Declare.
5980 * cgraphunit.c (cgraph_expand_function): Use it.
5981 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
5982 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
5983 is initialized and while compilation of other function is running.
5984 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
5985 statement CFG annotations from here to ...
5986 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
5988 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
5990 * cfgloop.h (enum li_flags): Make the constants powers of two.
5992 2007-01-04 Jan Hubicka <jh@suse.cz>
5994 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
5996 (fold_marked_statements): New function.
5997 (optimize_inline_calls, tree_function_versioning): Fold new statements.
5998 * tree-inline.h (copy_body_data): Add statements_to_fold.
6000 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
6002 * config.gcc: Mention libgcc/config.host.
6003 * Makefile.in: Update comments mentioning libgcc.
6004 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
6005 (all.cross, start.encap, rest.encap, rest.cross): Update
6006 dependencies for libgcc move.
6007 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
6008 (clean-target, clean-target-libgcc): Delete.
6009 (srcdirify, GCC_EXTRA_PARTS): New macros.
6010 (libgcc-support, libgcc.mvars): New rules.
6011 (distclean): Remove mention of mklibgcc.
6012 (install): Don't reference INSTALL_LIBGCC.
6013 (install-common): Don't reference EXTRA_PARTS.
6014 (install-libgcc, install-multilib): Delete rules.
6015 * mklibgcc.in: Delete file.
6016 * doc/configfiles.texi: Don't mention mklibgcc.
6018 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
6019 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
6020 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
6021 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
6022 (mklibgcc, ldblspecs): Likewise.
6024 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
6025 (posixpre.def): Use $(T).
6026 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
6027 (SHLIB_SRC, SHLIB_INSTALL): Delete.
6028 (SHLIB_LINK): Make dummy.
6029 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
6031 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
6033 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
6034 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
6035 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
6036 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
6038 * configure.ac (all_outputs): Remove mklibgcc.
6039 * configure: Regenerated.
6041 2007-01-03 Josh Conner <jconner@apple.com>
6044 * calls.c (compute_argument_addresses): Set stack and stack_slot
6045 for partial args, too.
6046 (store_one_arg): Use locate.size.constant for the size when
6047 generating a save_area.
6049 2007-01-03 Robert Kennedy <jimbob@google.com>
6051 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
6052 whose definitions are deleted due to basic block merging.
6054 2007-01-03 Paul Brook <paul@codesourcery.com>
6057 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
6059 (use_return_insn): Return 0 for Thumb interrupt functions.
6060 (print_multi_reg): Add rfe argument for IRQ returns.
6061 (arm_output_epilogue): Pop interrupt return address directly into PC.
6062 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
6064 2007-01-03 Paul Brook <paul@codesourcery.com>
6066 Merge from sourcerygxx-4_1.
6067 * config/arm/thumb2.md: New file.
6068 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
6070 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
6071 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6072 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
6073 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
6075 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6076 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
6078 * config/arm/ieee754-sf.S: Ditto.
6079 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
6080 (thumb1_base_register_rtx_p): ... to this.
6081 (thumb_index_register_rtx_p): Rename...
6082 (thumb1_index_register_rtx_p): ... to this.
6083 (thumb_output_function_prologue): Rename...
6084 (thumb1_output_function_prologue): ... to this.
6085 (thumb_legitimate_address_p): Rename...
6086 (thumb1_legitimate_address_p): ... to this.
6087 (thumb_rtx_costs): Rename...
6088 (thumb1_rtx_costs): ... to this.
6089 (thumb_compute_save_reg_mask): Rename...
6090 (thumb1_compute_save_reg_mask): ... to this.
6091 (thumb_final_prescan_insn): Rename...
6092 (thumb1_final_prescan_insn): ... to this.
6093 (thumb_expand_epilogue): Rename...
6094 (thumb1_expand_epilogue): ... to this.
6095 (arm_unwind_emit_stm): Rename...
6096 (arm_unwind_emit_sequence): ... to this.
6097 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
6098 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
6099 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
6100 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
6101 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
6102 thumb2_output_casesi): New functions.
6103 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
6104 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
6105 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
6106 THUMB2_WORK_REGS): Define.
6107 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
6108 arm_condexec_mask, arm_condexec_masklen)): New variables.
6109 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
6110 (arm_override_options): Check new CPU capabilities.
6111 Set new architecture flag variables.
6112 (arm_isr_value): Handle v7m interrupt functions.
6113 (user_return_insn): Return 0 for v7m interrupt functions. Handle
6115 (const_ok_for_arm): Handle Thumb-2 constants.
6116 (arm_gen_constant): Ditto. Use movw when available.
6117 (arm_function_ok_for_sibcall): Return false for v7m interrupt
6119 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
6120 (thumb_find_work_register, arm_load_pic_register,
6121 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
6122 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
6123 print_multi_reg, output_mov_long_double_fpa_from_arm,
6124 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
6125 output_mov_double_fpa_from_arm, output_move_double,
6126 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
6127 output_return_instruction, arm_output_function_prologue,
6128 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
6129 arm_output_mi_thunk, thumb_set_return_address): Ditto.
6130 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
6131 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
6132 (arithmetic_instr, shift_op): Use arm_shift_nmem.
6133 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
6135 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
6136 (thumb_expand_prologue): Use thumb_set_frame_pointer.
6137 (arm_file_start): Output directive for unified syntax.
6138 (arm_unwind_emit_set): Handle stack alignment instruction.
6139 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
6140 Add v6t2, v7, v7a, v7r and v7m.
6141 (RETLDM): Add Thumb-2 code.
6142 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
6143 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
6144 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
6145 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
6146 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
6147 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
6148 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
6149 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
6150 ADJUST_INSN_LENGTH): Define.
6151 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
6152 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
6153 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
6154 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
6155 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6156 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
6157 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
6158 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
6159 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
6160 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
6161 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
6162 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
6163 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
6164 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
6165 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
6166 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
6167 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
6169 * config/arm/arm-tune.md: Regenerate.
6170 * config/arm/arm-protos.h: Update prototypes.
6171 * config/arm/vfp.md: Enable patterns for Thumb-2.
6172 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
6173 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
6174 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
6175 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
6176 * config/arm/libunwind.S: Add Thumb-2 code.
6177 * config/arm/constraints.md: Update include Thumb-2.
6178 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
6179 * config/arm/ieee754-df.S: Ditto.
6180 * config/arm/bpabi.S: Ditto.
6181 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
6182 * config/arm/predicates.md (low_register_operand,
6183 low_reg_or_int_operand, thumb_16bit_operator): New.
6184 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
6185 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
6186 * config/arm/t-arm-elf: Add armv7 multilib.
6187 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
6189 (UNSPEC_STACK_ALIGN, ce_count): New.
6190 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
6191 arm_zero_extendsidi2, arm_zero_extendqidi2): New
6193 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
6194 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
6195 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
6196 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
6197 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
6198 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
6200 * doc/extend.texi: Document ARMv7-M interrupt functions.
6201 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
6203 2007-01-03 Jakub Jelinek <jakub@redhat.com>
6205 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
6206 (struct _Unwind_Context): Rename args_size to flags, remove
6207 signal_frame field, add a new args_size field and version field.
6208 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
6209 _Unwind_IsExtendedContext): New inline functions.
6210 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6211 Assume by_value array is only present if _Unwind_IsExtendedContext.
6212 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
6213 _Unwind_IsSignalFrame.
6214 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
6215 (uw_update_context_1): Use _Unwind_SetSignalFrame.
6216 (uw_init_context_1): Initialize context->flags to
6217 EXTENDED_CONTEXT_BIT.
6218 * config/rs6000/linux-unwind.h (frob_update_context): Use
6219 _Unwind_SetSignalFrame.
6221 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
6224 * gimplify.c (gimplify_modify_expr_complex_part): Move below
6225 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
6228 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
6230 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
6231 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
6232 RET, AT_SP): Remove.
6233 * config/i386/i386.md (*sse_prologue_save_insn): Use return
6236 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6237 * cfgbuild.c (find_basic_blocks): Likewise.
6238 * cfgrtl.c (rtl_create_basic_block): Likewise.
6239 * function.c (temp_slots_at_level): Likewise.
6240 * reg-stack.c (stack_regs_mentioned): Likewise.
6241 * regclass.c (allocate_reg_info): Likewise.
6242 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6243 set_bb_for_stmt, move_block_to_fn): Likewise.
6244 * tree-complex.c (tree_lower_complex): Likewise.
6245 * vec.h (VEC_safe_grow_cleared): New.
6247 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
6249 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
6251 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
6252 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
6254 * cfgloopmanip.c (scale_loop_frequencies): Export.
6255 (loopify): Scale the frequencies by prescribed coefficients.
6256 (set_zero_probability): New function.
6257 (duplicate_loop_to_header_edge): Improve updating of frequencies.
6258 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
6259 and frequencies according to arguments.
6260 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
6262 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
6263 * modulo-sched.c (sms_schedule): Set probabilities for entering
6264 versioned loop correctly.
6265 * tree-vect-transform.c (vect_transform_loop): Ditto.
6266 * cfgloop.h (loopify, loop_version): Declaration changed.
6267 (scale_loop_frequencies): Declared.
6269 2007-01-02 Jan Hubicka <jh@suse.cz>
6271 * cgraph.c: Include tree-flow.h
6272 (cgraph_add_new-function): Handle IPA_SSA mode; execute
6274 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
6275 * tree-pass.h (pass_all_early_optimizations): Declare.
6276 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
6278 (cgraph_analyze_function): Do early_local_passes.
6279 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6280 Do not add referenced vars.
6281 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
6283 (gate_all_early_local_passes): New gate.
6284 (pass_early_local_passes): Use new gate.
6285 (execute_early_local_optimizations): New functions.
6286 (gate_all_early_optimizations): New gate.
6287 (pass_all_early_optimizations): New pass.
6288 (execute_free_datastructures): Free SSA only when initialized.
6289 (gate_init_datastructures): Init only when optimizing.
6290 (tree_lowering_passes): Do early local passes when called late.
6291 * tree-profile.c (do_tree_profiling): Don't profile functions added
6293 (do_early_tree_profiling, pass_early_tree_profile): Kill.
6294 * tree-cfg.c (update_modified_stmts): Do not update when operands are
6296 * passes.c (init_optimizations_passes): Reorder so we go into SSA
6297 during early_local_passes.
6298 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
6301 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
6303 * Makefile.in: Update copyright year.
6305 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
6307 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
6308 in $(lang_checks) and check-consistency targets.
6310 2007-01-02 Jan Hubicka <jh@suse.cz>
6312 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6313 Do not add referenced vars.
6314 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
6316 * passes.c (init_optimization_passes): Put mudflap_2 after
6317 free_datastructures.
6319 2007-01-02 Jan Hubicka <jh@suse.cz>
6321 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
6322 Set NOTHROW flag on call statements proved to be nothrow.
6323 Update statement of local calls so new pure/const functions are
6324 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
6326 (tree_rest_of_compilation): Register hooks and initialize bitmap
6327 early. Do not set after_inlining flag.
6329 2007-01-02 Steve Ellcey <sje@cup.hp.com>
6331 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
6332 HOST_BITS_PER_LONGLONG
6334 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6337 * c-typeck.c (store_init_value): Don't emit pedantic overflow
6338 warning for non-static initializers.
6340 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
6342 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
6343 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
6344 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
6345 Always use set_unique_reg_note to add REG_EQUAL notes.
6347 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
6350 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
6352 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6353 * cfgbuild.c (find_basic_blocks): Likewise.
6354 * cfgrtl.c (rtl_create_basic_block): Likewise.
6355 * function.c (temp_slots_at_level): Likewise.
6356 * reg-stack.c (stack_regs_mentioned): Likewise.
6357 * regclass.c (allocate_reg_info): Likewise.
6358 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6359 set_bb_for_stmt, move_block_to_fn): Likewise.
6360 * tree-complex.c (tree_lower_complex): Likewise.
6361 * vec.h (VEC_safe_grow_cleared): New.
6363 2007-01-02 Ian Lance Taylor <iant@google.com>
6365 * c-common.c (c_common_truthvalue_conversion): When warning about
6366 using an assignment as a truth value, set TREE_NO_WARNING.
6368 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6371 * c.opt (Wold-style-declaration): New.
6372 * doc/invoke.texi (C-only Warning Options): New.
6373 (Wold-style-declaration): Document it.
6374 (Wextra): Enabled by -Wextra.
6375 * c-opts.c (c_common_post_options): Enabled by -Wextra.
6376 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
6377 -Wold-style-declaration.
6379 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
6381 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6382 * cfgbuild.c (find_basic_blocks): Likewise.
6383 * cfgrtl.c (rtl_create_basic_block): Likewise.
6384 * function.c (temp_slots_at_level): Likewise.
6385 * reg-stack.c (stack_regs_mentioned): Likewise.
6386 * regclass.c (allocate_reg_info): Likewise.
6387 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6388 set_bb_for_stmt, move_block_to_fn): Likewise.
6389 * tree-complex.c (tree_lower_complex): Likewise.
6390 * vec.h (VEC_safe_grow_cleared): New.
6392 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
6394 * c-common.c (c_common_nodes_and_builtins): Since variants of
6395 void_type_node get built before it is given a name, we need to
6396 give those variants the name, too.
6397 (complete_array_type): We need to work with the canonical main
6398 type of the array, from which we will build the qualified version.
6399 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
6400 * print-tree.c (print_node): Display canonical type information
6402 * stor-layout.c (layout_type): When we don't know the
6403 alignment of a type for which we're building an array, we end up
6404 guessing wrong, so make the type require structural equality.
6405 * tree.c (make_node_stat): When we build a new type, it is its
6407 (build_type_attribute_qual_variant): When building an attribute
6408 variant, its canonical type is the non-attribute variant. However,
6409 if the attributes are target-dependent and they differ, we need to
6410 use structural equality checks for this type.
6411 (build_qualified_type): A qualified type is not equivalent to its
6412 unqualified variant; set the canonical type appropriately.
6413 (build_distinct_type_copy): When building a distinct type from
6414 another type, the new type is its own canonical type.
6415 (build_variant_type_copy): When building a new type variant, we
6416 assume that it is equivalent to the original type.
6417 (build_pointer_type_for_mode): When building a pointer type, also
6418 build a canonical type pointer.
6419 (build_reference_type_for_mode): When building a reference type,
6420 also build a canonical type reference.
6421 (build_index_type): When we can't hash an index type (e.g.,
6422 because its maximum value is negative), the index type requires
6423 structural equality tests.
6424 (build_array_type): Build the canonical form of an array type.
6425 (build_function_type): Function types require structural equality,
6426 because they contain default arguments, attributes, etc.
6427 (build_method_type_directly): Ditto for method types.
6428 (build_offset_type): Build the canonical offset type.
6429 (build_complex_type): Build the canonical vector type.
6430 (make_vector_type): Build the canonical vector type.
6431 * tree.h (TYPE_CANONICAL): New.
6432 (TYPE_STRUCTURAL_EQUALITY_P): New.
6433 (SET_TYPE_STRUCTURAL_EQUALITY): New.
6434 (struct tree_type): Added "canonical" field.
6435 * params.h (VERIFY_CANONICAL_TYPES): New.
6436 * doc/c-tree.texi (TYPE_CANONICAL): Document.
6437 (TYPE_STRUCTURAL_EQUALITY_P): Document.
6438 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6439 * doc/invoke.texi (verify-canonical-types): Document --param
6440 parameter for verifying canonical types.
6442 2007-01-02 Joseph Myers <joseph@codesourcery.com>
6444 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6445 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6446 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6447 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6449 * config/rs6000/e500.h: New.
6450 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6451 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6453 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6454 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6455 TARGET_E500_DOUBLE): Remove.
6456 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6457 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6458 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6459 * config/rs6000/rs6000.c (rs6000_override_options): Use
6462 2007-01-02 Joseph Myers <joseph@codesourcery.com>
6464 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6465 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6466 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6467 rs6000_emit_cmove): Don't check TARGET_E500.
6468 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6469 sordered): Don't check TARGET_E500.
6471 2007-01-01 Eric Christopher <echristo@apple.com>
6473 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6474 HARD_REGISTER_NUM_P.
6476 2007-01-01 Roger Sayle <roger@eyesopen.com>
6478 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6479 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6480 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6483 2007-01-01 Mike Stump <mrs@apple.com>
6485 * configure.ac: Remove support for building with Apple's gcc-3.1.
6487 2007-01-02 Joseph Myers <joseph@codesourcery.com>
6490 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6491 REG is a hard register. Do not modify REG before calling
6493 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6494 multiple of the size of YMODE for certain lowpart cases.
6496 2007-01-01 Andrew Pinski <pinskia@gmail.com>
6499 * gimplify (voidify_wrapper_expr): Update for
6502 2007-01-01 Andreas Schwab <schwab@suse.de>
6505 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6506 save of BR0 in extra_spill_size instead of spill_size.
6507 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6509 (ia64_expand_epilogue): Restore BR0 from its new location.
6511 2007-01-01 Andrew Pinski <pinskia@gmail.com>
6513 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6514 Use a temporary variable if the left hand side is not a gimple
6517 2007-01-01 Andrew Pinski <pinskia@gmail.com>
6519 * gimplify.c (gimplify_return_expr): Make the temporary variable
6520 for the return expression, a gimple register variable.
6522 2007-01-01 Jan Hubicka <jh@suse.cz>
6524 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6527 2007-01-01 Mike Stump <mrs@apple.com>
6529 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6531 * config/darwin.c (machopic_select_rtx_section): Use
6533 (darwin_mergeable_constant_section): Likewise.
6534 * configure: Regenerate.
6535 * config.in: Regenerate.
6537 2007-01-01 Jan Hubicka <jh@suse.cz>
6538 Andrew Pinski <pinskia@gmail.com>
6540 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6541 before starting IPA passes.