1 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
7 V4SImode temporaries and operations instead.
9 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
11 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
14 2006-06-06 Mike Stump <mrs@apple.com>
16 * Makefile.in: Rename to htmldir to build_htmldir to avoid
17 installing during build.
19 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
21 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
23 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
24 * config/ia64/ia64.c (params.h): New header.
25 (ia64_optimization_options): New function to adjust parameters.
26 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
27 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
28 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
30 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
32 * stor-layout.c (debug_rli): Fix a typo in a debug message.
34 2006-06-05 Steve Ellcey <sje@cup.hp.com>
37 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
39 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
40 Victor Kaplansky <victork@il.ibm.com>
42 PR tree-optimization/26360
43 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
46 2006-06-04 Roger Sayle <roger@eyesopen.com>
47 Andrew Pinski <pinskia@physics.uc.edu>
50 * c-common.c (c_common_truthvalue_conversion): Explicitly check
51 for LABEL_DECL before calling DECL_WEAK.
54 * c-typeck.c (build_binary_op): Likewise, explicitly check for
55 LABEL_DECL and PARM_DECL.
57 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
61 * c-decl.c (grokdeclarator): Disallow variably modified types at
62 file scope. Avoid marking shared array type of constant size as
65 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
68 * c-common.c (fold_offsetof_1): Handle static members.
70 2006-06-04 Eric Christopher <echristo@apple.com>
72 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
73 (debug_rli): Output value for remaining_in_alignment.
74 (update_alignment_for_field): Unconditionalize
75 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
77 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
78 ms_bitfield_layout_p code. Rewrite handling of structure fields.
79 * tree.h (record_layout_info_s): Remove prev_packed.
80 * doc/extend.texi (ms_struct): Add documentation of format.
82 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
84 * tree.h: Declare folding_initializer.
85 * builtins.c (fold_builtin_constant_p): Give definite answer
86 if folding inside an initializer.
87 * fold-const.c: Define folding_initializer.
88 (START_FOLD_INIT): Save and then set folding_initializer.
89 (END_FOLD_INIT): Restore folding_initializer.
91 2006-06-04 Richard Guenther <rguenther@suse.de>
93 PR tree-optimization/27039
94 * fold-const.c (fold_comparison): Handle pointer comparison
95 again for all comparison codes. Compare offsets in signed
97 (fold_binary): Move code from here.
99 2006-06-03 Roger Sayle <roger@eyesopen.com>
102 * config/i386/i386.c (construct_container): Split static issued_error
103 flag into issued_sse_arg_error, issued_sse_ret_error and
104 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
105 requires the use of x87 registers and the user explicitly
106 specified the -mno-80387 command line option.
108 2006-06-02 Geoffrey Keating <geoffk@apple.com>
110 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
111 HAVE_DECL_SIGALTSTACK.
113 (segv_handler): Use MC_FLD.
114 * configure.ac: Check for a sigaltstack declaration.
115 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
116 * configure: Regenerate.
117 * config.in: Regenerate.
119 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
122 * Makefile.in (stmp-fixinc): Fix typo.
124 2006-06-02 Roger Sayle <roger@eyesopen.com>
126 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
127 are type correct. Clean-up.
128 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
129 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
131 2006-06-01 DJ Delorie <dj@redhat.com>
133 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
134 shift, as we've disabled the "switch" insn that needs it.
136 2006-06-01 Per Bothner <bothner@bothner.com>
138 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
139 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
140 * c-ppoutput.c (cb_define): Don't increment line 0.
142 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
144 * doc/invoke.texi: Add cpu_type power6.
145 * config.gcc: Add cpu_type power6.
146 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
147 to power5+ with Altivec.
148 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
149 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
151 2006-05-30 Anatoly Sokolov <aesok@post.ru>
153 * config/avr/avr.h (SET_ASM_OP): Define.
155 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
157 * config/bfin/bfin.c: Fix comment typos.
159 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
162 * doc/install.texi: Document --enable-bootstrap and
165 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
167 * doc/install.texi: Document that InfoZIP can replace jar.
169 2006-05-31 Roger Sayle <roger@eyesopen.com>
171 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
172 isn't available, directly generate the simpler x87 patterns without
173 the (use (const_int 0)).
174 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
175 implementation isn't available.
176 (*negdf2_1): Likewise.
177 (*negxf2_1): XF mode negation is always done using the x87.
178 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
180 2006-05-31 Roger Sayle <roger@eyesopen.com>
182 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
183 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
185 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
187 2006-05-31 Jie Zhang <jie.zhang@analog.com>
189 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
190 * config/bfin/bfin.c (basic-block.h): Include.
191 (struct machine_function): New.
192 (bfin_init_machine_status): New.
193 (override_options): Initialize init_machine_status.
194 (bfin_hardware_loop): New.
195 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
196 (DEF_VEC_P (loop_info)): New.
197 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
198 (struct loop_info): New.
199 (loop_info): New typedef.
200 (struct loop_work): New.
201 (loop_work): New typedef.
202 (DEF_VEC_O (loop_work)): New.
203 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
204 (bfin_dump_loops): New.
205 (bfin_bb_in_loop): New.
206 (bfin_scan_loop): New.
207 (bfin_optimize_loop): New.
208 (bfin_reorg_loops): New.
209 (bfin_reorg): Use bfin_reorg_loops.
210 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
212 (I_REGNO_P): Simplify.
213 (DP_REGNO_P, DPREG_P): New macros.
214 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
215 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
216 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
217 Add LT_REGS, LC_REGS, LB_REGS.
218 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
220 (REGNO_REG_CLASS): Deal with loop registers.
221 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
223 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
224 New constants for loop registers.
225 (UNSPEC_LSETUP_END): New.
226 (seq_insns): New define_attr. Set it for appropriate insns.
227 (movsi_insn): Add alternatives for move from/to
228 loop count registers.
229 (doloop_end): New define_expand.
230 (loop_end): New define_insn.
231 (define_split for bad doloop_end): New.
232 (lsetup_with_autoinit): New define_insn.
233 (lsetup_without_autoinit): New define_insn.
234 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
235 * config/bfin/predicates.md (lc_register_operand): New.
236 (lt_register_operand): New.
237 (lb_register_operand): New.
238 (nondp_register_operand): New.
239 (nondp_reg_or_memory_operand): New.
240 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
242 2006-05-31 Jie Zhang <jie.zhang@analog.com>
244 * config/bfin/bfin.c (bfin_delegitimize_address): New.
245 (TARGET_DELEGITIMIZE_ADDRESS): Define.
247 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
249 * Makefile.in (CATALOGS): Add po/ prefix.
250 * configure: Regenerated.
252 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
255 * arm.c (arm_print_operand case 'S'): Validate that the operand is
256 a shift operand before calling shift_op. Avoid redundant call of
259 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
260 DJ Delorie <dj@redhat.com>
262 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
263 we're inserting is a singlt-bit constant.
265 2006-05-30 Roger Sayle <roger@eyesopen.com>
267 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
268 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
270 2006-05-30 Roger Sayle <roger@eyesopen.com>
272 PR tree-optimization/23452
273 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
274 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
275 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
276 complex values and with -ffast-math for FP complex values.
278 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
280 * c-common.h: Remove the prototype for yyparse.
281 * rtl.h: Remove the prototype for init_loop.
283 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
285 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
288 2006-05-30 Roger Sayle <roger@eyesopen.com>
290 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
292 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
293 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
295 2006-05-30 Dirk Mueller <dmueller@suse.de>
298 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
299 for CONSTANT_CLASS_P expresisons.
301 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
304 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
306 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
308 PR tree-optimization/27779
309 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
310 initial_condition instead of CHREC_LEFT.
312 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
314 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
315 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
316 Make prototypes ISO C90.
318 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
319 Leehod Baruch <leehod.baruch@weizmann.ac.il>
321 * see.c (see_analyze_one_def): Correct check.
322 (see_get_extension_data): Check if extension is parallel.
323 (see_get_extension_reg): Likewise.
325 2006-05-30 Uros Bizjak <uros@kss-loka.si>
328 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
329 into register for (code == GTU).
331 2006-05-29 Roger Sayle <roger@eyesopen.com>
333 PR tree-optimization/24964
334 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
335 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
336 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
337 abs(x)*abs(x) as x*x for scalar floating point modes.
339 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
342 * lambda-code.c (perfect_nestify): Don't copy statements
343 in the inner loop: move them to the inner loop header.
345 2006-05-29 Diego Novillo <dnovillo@redhat.com>
348 * c-tree.texi: Document OpenMP directives and clauses.
350 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
352 * varasm.c (globalize_decl): Fix indentation.
354 2006-05-29 Diego Novillo <dnovillo@redhat.com>
357 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
358 pass_fre, pass_store_ccp, pass_copy_prop,
359 pass_store_copy_prop, pass_merge_phi, pass_nrv,
360 pass_return_slot, pass_object_size, pass_lim,
361 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
362 pass_loop_prefetch and pass_stdarg.
364 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
366 * config/bfin/bfin.opt (mfdpic): New option.
367 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
368 (EXTRA_MULTILIB_PARTS): Likewise.
369 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
370 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
372 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
373 (CRT_CALL_STATIC_FUNCTION): New.
374 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
376 (CRT_CALL_STATIC_FUNCTION): New.
377 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
379 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
380 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
381 (initialize_trampoline): Changed to handle FD-PIC code generation.
382 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
383 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
384 (override_options): Disallow -mid-shared-library -mfdpic combination.
385 Can't do unaligned ops if FD-PIC.
386 Turn off flag_pic if trying to generate non-id-shared-library
387 non-fdpic code, since it's not supported.
388 (bfin_assemble_integer): New function.
389 (TARGET_ASM_INTEGER): Define.
390 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
392 * config/bfin/crtn.s: Restore them.
393 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
395 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
396 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
397 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
398 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
399 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
401 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
402 FDPIC_REGS and FDPIC_FPTR_REGS.
403 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
404 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
405 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
406 (load_funcdescsi): New pattern.
407 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
408 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
409 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
411 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
413 * gcse.c, rtlanal.c: Remove obsolete comments associated with
416 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
418 * tree-flow.h: Remove the prototype for add_type_alias.
419 * tree-ssa-alias.c (add_type_alias): Remove.
421 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
423 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
424 config/fr30/fr30.md, config/i386/i386-interix.h,
425 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
426 config/sh/superh64.h, config/v850/v850.c, df-core.c,
427 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
428 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
429 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
430 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
431 Follow spelling conventions.
432 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
433 Follow spelling conventions.
435 2006-05-27 Richard Guenther <rguenther@suse.de>
438 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
439 to produce a constant of value 1 of generic type.
441 2006-05-27 Dirk Mueller <dmueller@suse.de>
443 * cgraphunit.c (decide_is_function_needed): Fix wrong
446 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
448 PR rtl-optimization/27661
449 * reload.c (find_reloads): When reloading a VOIDmode constant
450 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
451 use Pmode as mode of the reload register.
453 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
455 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
456 is enabled at -O and above.
458 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
461 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
464 2006-05-25 Mark Mitchell <mark@codesourcery.com>
467 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
468 for anonymous variables explicitly declared by front ends.
470 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
472 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
473 (struct alias_info): Add new field ref_all_symbol_mem_tag.
474 * tree-ssa-alias.c (compute_may_aliases): If the program contains
475 ref-all pointers, run a finalization pass for them.
476 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
477 (finalize_ref_all_pointers): New function.
478 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
479 regular pointer type to a ref-all pointer type.
480 (get_tmt_for): Return the special memory tag for ref-all pointers.
482 2006-05-25 Richard Guenther <rguenther@suse.de>
485 * fold-const.c (fold_binary): Do not look at the stripped
486 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
488 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
490 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
491 for LT and GT if the computed range is effectively empty.
493 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
496 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
497 mips_quad_format formats instead of ieee_single_format,
498 ieee_double_format and ieee_quad_format formats, respectively.
500 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
502 PR tree-optimization/27639
503 PR tree-optimization/26719
504 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
505 call to scev_probably_wraps_p.
506 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
507 used_in_pointer_arithmetic_p, convert_step): Removed.
508 (nowrap_type_p): New function.
509 (scev_probably_wraps_p): Rewritten.
510 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
511 chrec_convert if chrec_convert_aggressive might have been used.
512 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
513 scev_direction): New functions.
514 (chrec_convert): Changed to a wrapper over chrec_convert_1.
515 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
516 instead of convert_step.
517 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
518 (convert_step): Declaration removed.
519 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
521 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
523 * df-core.c: Added to header comments.
524 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
525 df_ur_bb_info, df_urec_bb_info): Added comments.
526 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
527 urec, ri problems): Fixed header comments.
528 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
529 code from df_rd_transfer_function.
531 2006-05-23 Richard Sandiford <richard@codesourcery.com>
533 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
534 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
535 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
537 2006-05-23 Joseph Myers <joseph@codesourcery.com>
539 * expr.c (undefined_operand_subword_p): New.
540 (emit_move_multi_word): Do not generate move from undefined bits
541 of a paradoxical subreg.
543 2006-05-23 Richard Sandiford <richard@codesourcery.com>
545 PR rtl-optimization/27736
546 * combine.c (replaced_rhs_value): New variable.
547 (combine_instructions): Set it.
548 (distribute_notes): When distributing a note in replaced_rhs_insn,
549 check whether the value was used in replaced_rhs_value.
551 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
554 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
555 add_referenced_var instead of add_referenced_tmp_var.
556 * tree-complex.c (create_one_component_var): Use add_referenced_var.
557 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
559 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
560 tree_optimize_tail_calls_1): Use add_referenced_var.
561 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
562 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
563 Use add_referenced_var.
564 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
565 * gimplify.c (force_gimple_operand): Use add_referenced_var.
566 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
567 Use add_referenced_var.
568 * tree-dfa.c (struct walk_state): Remove.
569 (find_referenced_vars): Remove walk state and vars_found hash table.
570 (make_rename_temp): Use add_referenced_var.
571 (find_vars_r): Pass less parameters to add_referenced_var.
572 (referenced_var_p): New. Is var in referenced_var hash table.
573 (referenced_var_insert): Assert var isn't already in hash table.
574 (add_referenced_var): Don't need walk_state parameter. Add var if it
575 isn't already in the hash table.
576 (add_referenced_tmp_var): Remove.
577 (find_new_referenced_vars_1): Use add_referenced_var.
578 * tree-ssa-pre.c (create_expression_by_pieces,
579 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
580 Use add_referenced_var.
581 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
582 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
583 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
585 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
586 vect_create_data_ref_ptr, vect_create_destination_var,
587 vect_init_vector, vect_build_loop_niters,
588 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
589 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
590 Use add_referenced_var.
591 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
592 * tree-flow.h (add_referenced_tmp_var): Remove prototype
593 (add_referenced_var): Add prototype.
594 * tree-ssa-structalias.c (get_constraint_for,
595 intra_create_variable_infos): Use add_referenced_var.
597 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
599 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
600 big-endian paradoxical subregs.
601 * var-tracking.c (struct micro_operation_def): Document that,
602 for modify micro operations, insn is the subsequent instruction.
603 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
604 (var_reg_set, var_mem_set): ... new functions.
605 (add_stores): Record subsequent insn.
606 (compute_bb_dataflow): Use new functions for MO_USE.
607 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
608 notes after the insn, and modify notes before the insn known
609 to be the subsequent one.
610 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
612 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
615 * config/i386/i386.c (ix86_expand_builtin): Use
616 gen_sse3_monitor64 for TARGET_64BIT.
618 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
620 PR rtl-optimization/26375
621 PR rtl-optimization/26855
622 * df-problems (df_ru_bb_local_compute_process_def): Removed update
624 (df_ru_bb_local_compute): Reversed statements and removed bogus
625 comment explaining why they should be in wrong order.
626 (df_ru_dump, df_rd_dump): Enhanced debug info.
627 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
629 * ddg.c (add_deps_for_def): Converted use of reaching defs to
630 reaching uses and fixed space problem.
632 2006-05-23 Jan Hubicka <jh@suse.cz>
634 * cgraphunit.c (decide_is_function_needed): Also nested functions
635 and functions declared inline can be optimized out at -O0.
637 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
639 * doc/install.texi (Configuration): Remove reference to CrossGCC
640 FAQ which was hijacked.
643 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
646 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
647 ix86_compare_emitted is non-NULL.
649 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
652 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
655 2006-05-22 Richard Sandiford <richard@codesourcery.com>
657 PR rtl-optimization/25514
658 * combine.c (replaced_rhs_insn): New variable.
659 (combine_instructions): Set replaced_rhs_insn when trying to replace
660 a SET_SRC with a REG_EQUAL note.
661 (distribute_notes): Use replaced_rhs_insn when determining the live
662 range of a REG_DEAD register.
664 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
665 Anatoly Sokolov <aesok@post.ru>
667 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
668 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
669 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
670 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
671 atmega3290, atmega649, atmega6490, atmega406, atmega640,
672 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
673 at90usb647, at90usb1286 and at90usb1287 devices.
674 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
675 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
677 2006-05-22 Richard Sandiford <richard@codesourcery.com>
679 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
681 2006-05-22 Richard Guenther <rguenther@suse.de>
684 2006-01-31 Richard Guenther <rguenther@suse.de>
685 Paolo Bonzini <bonzini@gnu.org>
687 * doc/install.texi (--disable-libgcc-math): Document.
689 2006-05-22 Richard Guenther <rguenther@suse.de>
692 2006-01-31 Richard Guenther <rguenther@suse.de>
694 * doc/invoke.texi (-msselibm): Document.
695 * target.h (expand_library_builtin): New target hook.
696 * builtins.c (expand_builtin): Use expand_library_builtin.
697 (default_expand_library_builtin): New function.
698 * gcc.c (LINK_GCC_MATH_SPEC): Define.
699 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
700 (link_gcc_math_spec): Declare.
701 (static_specs): Add link_gcc_math_spec.
702 * expr.h (default_expand_library_builtin): Declare.
703 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
704 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
705 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
706 * config/i386/i386.opt (msselibm): New target option.
707 * config/i386/i386.c (ix86_builtin_function_variants): New array.
708 (ix86_init_sse_abi_builtins): New function.
709 (ix86_expand_library_builtin): Likewise.
710 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
711 (override_options): Handle error conditions wrt -msselibm.
712 (ix86_builtins): Add function codes for SSE2 ABI builtins.
713 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
714 * doc/extend.texi (__builtin_sse2_*): Document new target specific
717 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
720 * c-common.c (self_promoting_args_p): Skip erroneous args.
723 * c-decl.c (finish_struct): Skip erroneous fields.
725 2006-05-22 Nick Clifton <nickc@redhat.com>
727 * config/cris/cris.opt (march): Remove VarExists attribute.
728 (max-stackframe=): Likewise.
730 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
732 * doc/rtl.texi: Fix a typo.
733 * see.c: Fix comment typos.
735 * tree-ssa-structalias.h (alias_info): Remove num_references.
737 2006-05-21 Mike Stump <mrs@apple.com>
739 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
741 (darwin_pragma_options): Use BAD instead.
742 (darwin_pragma_unused): Likewise.
743 (darwin_pragma_ms_struct): Likewise.
745 2006-05-21 David Edelsohn <edelsohn@gnu.org>
747 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
749 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
751 PR rtl-optimization/27671
752 * simplify-rtx.c (simplify_relational_operation_1): Fix
753 simplifications of (eq/ne (xor x y) y) and
756 PR tree-optimization/26622.
757 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
760 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
762 * tree-cfg.c: Prune whitespace.
763 (debug_tree_cfg): Point to correct header containing the
766 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
769 * cgraphunit.c (verify_cgraph_node): Typo in error message.
771 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
774 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
775 or sorry count is non zero.
777 2006-05-20 Andreas Schwab <schwab@suse.de>
779 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
781 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
782 Kenneth Zadeck <zadeck@naturalbridge.com>
784 PR rtl-optimization/26855
786 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
788 (df_scan_alloc): Added code to properly handle multiword hard
789 registers and add all_blocks parameter.
790 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
791 code to properly handle multiword hard registers.
792 (df_rescan_blocks): Added code to remove deleted blocks from
794 (df_ref_create_structure, df_ref_record): Added code to properly
796 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
797 and set DF_REF_PARTIAL.
798 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
799 (df_uses_record): Added DF_REF_PARTIAL for subreg.
800 (df_scan_add_problem): Added flags parameter.
801 (df_ref_create_structure): Changed switching structure.
802 (df_bb_refs_record): Fixed case where duplicate artificial refs
803 were created. Changed location of flags.
804 (df_record_entry_block_defs): Added code to make stack pointer
805 live in entry block. Refined cases where frame pointer is needed.
806 Changed location of flags.
807 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
808 (df_set_state): Removed function.
809 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
810 df_insn_create_insn_record, df_insn_refs_delete,
811 df_ref_create_structure): Formatting changes.
812 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
813 df_delete_basic_block): New function.
814 (df_init): Changed location of flags.
815 (df_add_problem): Added flags parameter and the way flags are
817 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
818 debug_df_chain): Improved debugging output.
819 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
820 (df_refs_chain_dump): Removed df parameter.
821 (df_iterative_dataflow): Added consistency check.
822 (df_prune_to_subcfg): Made public.
823 (df_analyze_problem): Added blocks_to_init parameter and made
825 (df_ref_record, df_bb_refs_record, df_mark_reg,
826 df_record_exit_block_uses): Whitespace changes.
827 (df_dump): Whitespace changes.
828 * df.h: Some reordering to remove forward references.
829 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
830 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
831 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
832 (dataflow.flags): New field.
833 (df.flag): Deleted field.
834 (df_alloc_function): Added additional bitmap parameter.
835 (df_dependent_problem_function): New type.
836 (df_problem.changeable_flags): New field.
837 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
838 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
839 (df_mw_hardreg): New struct.
840 (DF_INSN_UID_MWS): New macro.
841 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
843 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
844 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
845 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
846 (df_set_state): Removed function.
847 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
848 * df-problems.c (df_chain_dump): Removed df parameter.
849 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
850 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
852 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
853 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
854 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
855 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
856 DF_REF_MUST_CLOBBER cases.
857 (df_ru_bb_local_compute_process_def,
858 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
859 df_lr_bb_local_compute, df_ur_bb_local_compute,
860 df_chain_create_bb): Made subreg aware.
861 (df_ru_bb_local_compute, df_rd_bb_local_compute,
862 df_lr_bb_local_compute, df_lr_bb_local_compute,
863 df_chain_create_bb): Cleanup to use proper macros.
864 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
865 code to fixup bitvectors.
866 (df_ri_alloc): Cleared lifetime.
867 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
868 df_create_unused_note): New function.
869 (df_ri_bb_compute, df_ri_compute): Added code to create/update
870 REG_DEAD and REG_UNUSED notes as well as register information.
871 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
872 df_chains_dump): Fixed crash if problem was never run.
873 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
874 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
875 df_ri_add_problem): Processes flags in uniform manner.
876 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
877 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
878 df_rd_dump, df_urec_free_bb_info): Formatting changes.
879 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
880 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
881 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
882 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
883 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
884 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
885 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
886 * see.c (see_initialize_data): Ditto.
887 * final.c (rest_of_clean_state) Added regstack_completed.
888 * rtl.h (regstack_completed): Ditto.
889 * reg-stack.c (regstack_completed): Ditto.
891 2006-05-19 Mike Stump <mrs@apple.com>
893 * c-tree.h (default_conversion): Remove.
894 * c-common.h (default_conversion): Add.
896 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
898 * tree-vrp.c (valid_value_p): New function.
899 (adjust_range_with_scev): Fail if the value of bound is not
902 2006-05-19 Richard Sandiford <richard@codesourcery.com>
904 * config/mips/linux-unwind.h: Include <asm/unistd.h>
905 (mips_fallback_frame_state): Use syscall numbers to determine
906 the appropriate li instruction for the current ABI. Only use
907 __NR_sigreturn for o32.
909 2006-05-19 Nicolas Setton <setton@adacore.com>
911 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
912 * langhooks.c (lhd_dwarf_name): New function.
913 * langhooks-def.h (lhd_dwarf_name): Declare.
914 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
915 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
916 * ada/misc.c (gnat_dwarf_name): New function.
917 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
919 2006-05-19 Richard Sandiford <richard@codesourcery.com>
921 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
923 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
924 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
925 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
926 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
927 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
928 determine the size of Wtype, etc.
929 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
930 (swfloatfuncs): New variable.
931 (dwfloatfuncs): Likewise.
932 (lib2funcs): Remove floating-point conversion functions from
933 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
934 the set of conversion routines needed. Allow entries to specify
935 an object name, filename and word size. Update users accordingly.
936 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
937 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
941 2006-02-08 Roger Sayle <roger@eyesopen.com>
944 * config/fixtfdi.c: New libgcc source file.
945 * config/fixunstfdi.c: New source file.
946 * config/floatditf.c: New source file.
947 * config/floatunditf.c: New souce file.
948 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
949 files above instead of config/mips/_tilib.c.
950 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
952 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
954 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
955 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
957 2006-05-18 Mike Stump <mrs@apple.com>
959 Fix up vla, vm and [*] sematics.
965 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
966 (c_vla_unspec_p): Add.
968 * c-decl.c (struct c_scope): Add had_vla_unspec.
969 (build_array_declarator): Add support for [*].
970 (grokdeclarator): Likewise.
971 (grokparms): Likewise.
972 (get_parm_info): Likewise.
973 * c-objc-common.c (c_vla_unspec_p): Likewise.
974 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
975 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
976 typeof when argument is a variably modified type not inside sizeof or alignof.
977 (c_parser_direct_declarator_inner): Propagate errors.
978 (c_parser_sizeof_expression): Add support for [*].
979 (c_parser_parms_declarator): Initialize had_vla_unspec.
980 (c_parser_parms_list_declarator): Likewise.
981 * c-typeck.c (c_vla_type_p): Add.
982 (composite_type): Add support for vla compositing.
983 (comptypes_internal): Add support for vla compatibility.
984 (c_expr_sizeof_expr): Evaluate vla arguments.
985 * tree.c (variably_modified_type_p): Update comment for [*].
987 2006-05-18 Michael Matz <matz@suse.de>
990 * config.host: Make assignments to host_xmake_file cumulative.
991 * config.host (*-darwin*): Test $host, not $target.
993 2006-05-12 Stuart Hastings <stuart@apple.com>
995 * config/i386/i386.opt (-mstackrealign): New flag.
996 * config/i386/i386.c (force_align_arg_pointer): New attribute.
997 (ix86_handle_cconv_attribute): Emit error when
998 force_align_arg_pointer attribute collides with too many regparms.
999 (ix86_function_regparm): Limit regparms when used with
1000 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1001 Support stack-realigning prologue in non-main functions. Emit
1002 warning for nested functions under -mstackrealign, emit error for
1003 nested functions with force_align_arg_pointer attribute.
1004 * doc/extend.texi (force_align_arg_pointer): Document it.
1005 * doc/invoke.texi (-mstackrealign): Document it.
1007 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1009 PR rtl-optimization/27477
1010 * combine.c (try_combine): Don't split a parallel consisting
1011 of two sets into two individual sets if both sets reference
1014 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1016 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1017 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1019 * doc/options.texi (VarExists): Updated.
1021 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1023 * unwind-dw2.c: Add declarations for uw_update_context and
1025 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1026 detected, advance frame state and context once to skip over stub.
1028 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1032 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1033 Call rewrite_into_loop_closed_ssa only when something changed.
1034 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1035 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1036 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1037 Test for perfect_nest_p here. Fix formating.
1038 (replace_uses_equiv_to_x_with_y): Fix formating.
1039 (stmt_uses_op): Removed.
1040 (can_convert_to_perfect_nest): Removed loopivs parameter.
1041 Complete the test by checking the scalar dependences.
1042 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1045 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1048 From Dan Kegel <dank@kegel.com>:
1049 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1051 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1053 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1054 if the element type is variably modified without recursing.
1056 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1059 * tree-loop-linear.c (try_interchange_loops): Test for
1060 no data dependences.
1062 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1064 PR tree-optimization/27548
1065 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1066 range of ssa names that appear on abnormal edges.
1067 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1068 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1070 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1073 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1075 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1078 * tree.h (OMP_PARALLEL_COMBINED): Define.
1079 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1080 (new_omp_context): Add is_combined_parallel argument.
1081 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1082 new_omp_context caller.
1083 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1084 Adjust gimplify_scan_omp_clauses callers.
1085 (omp_is_private): Issue errors if iteration variable is firstprivate
1086 or reduction in the current context.
1087 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1088 on combined parallel workshare constructs.
1090 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1092 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1093 (gcc-options.o): New rule.
1095 * optc-gen.awk: Protect variables for gcc-options.o with
1096 #ifdef GCC_DRIVER/#endif.
1098 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1100 Fix PR tree-optimization/27373
1101 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1102 (forward_propagate_addr_expr): Update call.
1104 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1106 * doc/options.texi: Move the Negative option.
1108 2006-05-16 Richard Guenther <rguenther@suse.de>
1110 PR tree-optimization/22303
1111 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
1113 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
1114 ccp_fold did not simplify the statement.
1116 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1119 * Makefile.in (GCC_OBJS): New.
1120 (OBJS-common): Add opts-common.o.
1121 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
1122 (cpp$(exeext)): Likewise.
1123 (gcc.o): Also depend on opts.h.
1124 (opts-common.o): New.
1126 * common.opt (gcoff): Add Negative(gdwarf-2).
1127 (gdwarf-2): Add Negative(gstabs).
1128 (gstabs): Add Negative(gstabs+).
1129 (gstabs+): Add Negative(gvms).
1130 (gvms): Add Negative(gxcoff).
1131 (gxcoff): Add Negative(gxcoff+).
1132 (gxcoff+): Add Negative(gcoff).
1133 * config/i386/i386.opt (m32): Add Negative(m64).
1134 (m64): Add Negative(m32).
1136 * doc/options.texi: Document the Negative option.
1138 * gcc.c: Include "opts.h".
1139 (main): Call prune_options after expandargv.
1141 * optc-gen.awk: Generate common declarations for all flag
1142 variables in options.c. Output the neg_index field.
1144 * opts.c (find_opt): Moved to ...
1145 * opts-common.c: Here. New file.
1147 * opts.h (cl_option): Add a neg_index field.
1149 (prune_options): Likewise.
1151 2006-05-16 Jakub Jelinek <jakub@redhat.com>
1154 * omp-low.c (expand_omp_parallel): Don't assert
1155 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
1156 instead search for it.
1159 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
1162 2006-05-16 Andreas Schwab <schwab@suse.de>
1164 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
1167 2006-05-15 Roger Sayle <roger@eyesopen.com>
1170 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
1171 integer constants other than zero are only legitimate on TARGET_64BIT.
1172 <CONST_VECTOR> Only zero vectors are legitimate.
1173 (ix86_cannot_force_const_mem): Integral and vector constants can
1174 always be put in the constant pool.
1176 2006-05-16 DJ Delorie <dj@redhat.com>
1178 * crtstuff.c (__dso_handle): Set section from
1179 TARGET_LBIGCC_SDATA_SECTION if defined.
1180 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
1181 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
1183 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
1186 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
1189 2006-05-16 Ben Elliston <bje@au.ibm.com>
1191 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
1193 2006-05-15 Per Bothner <per@bothner.com>
1195 * tree.c: (last_annotated_node): Use source_locus typedef.
1196 This permits bootstrapping with --enable-mapped-location.
1198 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
1200 PR tree-optimization/26830
1201 * tree-into-ssa.c (struct ssa_name_info): Add age field.
1202 (info_for_ssa_name, current_info_for_ssa_name_age,
1203 blocks_to_update): New variables.
1204 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
1205 (clear_ssa_name_info, initialize_flags_in_bb,
1206 mark_block_for_update): New functions.
1207 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
1208 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
1209 prepare_def_site_for): Use mark_block_for_update.
1210 (mark_def_interesting): Assert that the processed block is marked in
1211 blocks_to_update. Do not take blocks argument.
1212 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
1214 (rewrite_update_init_block, rewrite_update_stmt): Only process
1215 blocks with statements to rewrite.
1216 (delete_update_ssa): Do not clear SSA_NAME_AUX.
1217 (update_ssa): Initialize and free blocks_to_update. Do not
1218 clear flags on statements. Do not use blocks bitmap.
1219 * tree.h (SSA_NAME_AUX): Removed.
1220 (struct tree_ssa_name): Removed aux field.
1221 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
1223 2006-05-15 Richard Guenther <rguenther@suse.de>
1225 PR tree-optimization/27603
1226 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1227 Do computations in original type.
1229 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
1231 * see.c: Code style changes such as redundant paranthesis,
1232 redundant intialization of local variables etc.
1233 (see_main): Declared now as static.
1234 * doc/invoke.texi: Update that -fsee is not enabled by
1237 2006-05-15 Jakub Jelinek <jakub@redhat.com>
1239 * omp-low.c (check_omp_nesting_restrictions): New function.
1240 (scan_omp_1): Call it.
1243 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
1244 construct, return *VAR.
1246 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
1248 PR rtl-optimization/27406
1249 * bt-load.c (migrate_btr_def): Skip the block having abnormal
1252 2006-05-14 Roger Sayle <roger@eyesopen.com>
1254 PR rtl-optimization/27538
1255 * combine.c (expand_compound_operation): Call gen_lowpart
1256 before calling simplify_shift_const.
1258 2006-05-14 Roger Sayle <roger@eyesopen.com>
1260 PR rtl-optimization/22563
1261 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
1262 a fixed width bitfield, always force the intermediates into psuedos.
1264 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
1267 * mkconfig.sh: Use operator = instead of == for test.
1269 2006-05-13 Nick Clifton <nickc@redhat.com>
1271 * dwarf2out.c (dbx_reg_number): Check return value from
1272 LEAF_REG_REMAP and only use it if it is valid.
1273 (multiple_reg_loc_descriptor): Likewise.
1275 2006-05-13 Richard Guenther <rguenther@suse.de>
1277 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
1280 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
1282 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
1283 information attached to non-INSNs such as NOTEs.
1284 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
1286 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
1288 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
1290 * config/s390/s390.md: Adjust comment describing On constraint.
1292 2006-05-11 Jan Hubicka <jh@suse.cz>
1294 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
1295 to be output at -O0.
1297 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1300 * fold-const.c (size_binop): Move sanity check for arguments to
1301 the beginning of the function.
1304 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
1307 2006-05-11 Richard Guenther <rguenther@suse.de>
1310 * fold-const.c (fold_unary): Handle intermediate conversion
1311 to a pointer type like intermediate conversion to an integer
1312 type in folding of (T1)(T2)var to var.
1313 Match the code to the comment in the final conversion for
1314 (T1)(T2)var to (T1)var regarding to type precision. Rather
1315 than disallow T1 being of pointer type, assert that both T1
1316 and var are of pointer type or not. Make sure not to fall
1317 over the frontends lazyness wrt array to pointer decay though.
1319 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
1321 * arm.c (arm_struct_value_rtx): Delete.
1322 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
1323 (arm_init_cumulative_args): Always initialize nregs to zero.
1325 2006-05-10 Richard Guenther <rguenther@suse.de>
1327 PR tree-optimization/27532
1328 * tree-object-size.c (plus_expr_object_size): Fix typo.
1330 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1333 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1334 ashrdi_const, ashrdi3): Use a scratch register.
1336 2006-05-10 Richard Guenther <rguenther@suse.de>
1338 PR tree-optimization/27302
1339 * fold-const.c (operand_equal_p): For two comparisons,
1340 try comparison of one comparison code swapped if that yields
1343 2006-05-10 Ben Elliston <bje@au.ibm.com>
1345 * tree-pretty-print.c (pretty_print_string): No need to handle
1346 '\0' as a special character.
1348 * tree.h: Include "hashtab.h".
1349 (iterative_hash_expr): Use hashval_t in its prototype.
1350 * Makefile.in (TREE_H): Add $(HASHTAB_H).
1352 2006-05-09 Steve Ellcey <sje@cup.hp.com>
1355 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
1356 (hppa*64*-*-hpux11*): Ditto.
1357 (hppa[12]*-*-hpux11*): Ditto.
1359 2006-05-09 David Edelsohn <edelsohn@gnu.org>
1362 * config/rs6000/aix41.h (TARGET_64BIT): Define.
1364 2006-05-09 Michael Matz <matz@suse.de>
1366 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
1367 host_extra_gcc_objs and host_xmake_file.
1368 (<*-*-linux*>): Don't overwrite host_xmake_file.
1369 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
1370 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
1371 (host_detect_local_cpu): Declare.
1372 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
1373 * config/i386/i386.c (override_options): Handle -mtune=native
1375 * config/i386/x-i386: New file.
1376 * config/i386/driver-i386.c: New file.
1377 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
1380 2006-05-09 Dirk Mueller <dmueller@suse.de>
1381 Richard Guenther <rguenther@suse.de>
1384 * fold-const.c (fold_read_from_constant_string): Relax check
1385 for matching types to matching modes.
1387 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
1389 PR rtl-optimization/27335
1390 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
1393 2006-05-08 Chao-ying Fu <fu@mips.com>
1394 Richard Sandiford <richard@codesourcery.com>
1396 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
1397 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
1398 * config/mips/mips.md (UNSPEC_SCC): New constant.
1399 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
1400 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
1401 (mips_emit_compare): Use it.
1402 (mips_expand_vcondv2sf): New function.
1404 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
1406 Fix PR tree-optimization/27093
1407 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
1408 renaming when they become not-used_alone.
1410 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1412 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
1413 relocation and relocation stubs.
1415 2006-05-08 Eric Christopher <echristo@apple.com>
1417 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
1420 2006-05-08 Jan Hubicka <jh@suse.cz>
1423 * cgraphunit.c (decide_is_function_needed): When not optimizing even
1424 unused static functions are needed.
1426 2006-05-08 Roger Sayle <roger@eyesopen.com>
1429 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1430 of a reg_equiv_constant if the result is a legitimate constant.
1432 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1435 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1436 standard 80387 constants, raise the cost to prevent
1437 compress_float_constant() to generate load from memory.
1439 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1441 * config/arm/constraints.md (c): Fix a typo.
1443 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1446 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1449 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
1451 (_mm_mwait): Likewise.
1453 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1455 (sse3_monitor): Make it 32bit only.
1456 (sse3_monitor64): New. 64bit monitor.
1458 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1461 * config/i386/i386.c (classify_argument): Skip fields with invalid
1464 2006-05-07 Richard Guenther <rguenther@suse.de>
1466 PR tree-optimization/27409
1467 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1468 Do not try to find zero-sized subvars.
1470 2006-05-07 Richard Guenther <rguenther@suse.de>
1472 PR tree-optimization/27136
1473 * tree-ssa-loop-niter.c (get_val_for): Correct function
1474 comment, assert requirements.
1475 (loop_niter_by_eval): Stop processing if the iterated
1476 value did not simplify.
1478 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1480 * opts.c (flag_see): remove its setting at -O3.
1482 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1484 * genpeep.c (main): Make insn-peep.c depend on flags.h.
1485 * arm/constraints.md: New file.
1486 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1487 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1488 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1489 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1490 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1491 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1492 * arm.md: Include constraints.md.
1493 (thumb_movsi_insn): Use satisfies_constraint_J.
1494 (movhi, movqi): Use satisfies_constraint_I.
1496 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1498 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1499 for atmeg a645 device.
1501 2006-05-06 Richard Guenther <rguenther@suse.de>
1503 PR tree-optimization/27151
1504 * tree-vect-transform.c (vectorizable_condition): Punt on
1505 values that have a different type than the condition.
1507 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1510 * c-parser.c (c_parser_cast_expression): Only insert casts into
1511 hash table if pointer.
1512 * function.c (used_types_insert_helper): Rename from
1514 (used_types_insert): Call used_types_insert_helper.
1515 * function.h (used_types_insert): Accept only one argument.
1517 2006-05-05 David Edelsohn <edesohn@gnu.org>
1519 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1520 scratch with output modifier.
1522 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1525 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1526 with output modifier.
1528 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1531 * config/mips/mips.c (mips_symbolic_address_p): Return true
1532 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1533 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1535 2006-05-04 Richard Guenther <rguenther@suse.de>
1537 PR tree-optimization/14287
1538 PR tree-optimization/14844
1539 PR tree-optimization/19792
1540 PR tree-optimization/21608
1541 PR tree-optimization/27090
1542 * tree-ssa-pre.c (try_combine_conversion): New function.
1543 (compute_avail): After constructing the value-handle
1544 expression, use try_combine_conversion to combine NOP_EXPRs
1545 with previous value-handle expressions and use the result if it
1548 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1550 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1552 2006-05-04 Jan Hubicka <jh@suse.cz>
1555 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1557 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1559 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1560 that this only matches CONST_INTs. All users changed to VOIDmode
1563 * config/bfin/bfin.c: Include "optabs.h".
1564 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1566 (enum bfin_builtins): Add a number of fractional and vector builtins.
1567 (bfin_init_builtins): Likewise.
1568 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1569 (safe_vector_operand, bfin_expand_binop_builtin,
1570 bfin_expand_unop_builtin): New functions.
1571 (bfin_expand_builtin): Handle the new builtins.
1572 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1575 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1578 * Makefile.in (OBJS-common): Add see.o.
1579 (see.o): Add dependencies.
1580 * common.opt (fsee): New flag for the see optimization was added.
1581 * opts.c (flag_see): Initialized.
1582 * passes.c (init_optimization_passes, pass_see): New pass.
1583 * rtl.h (see_main): Declaration as extern.
1584 * timevar.def (TV_SEE): New.
1585 * tree-pass.h (pass_see): Declaration as extern.
1586 * invoke.texi (-fsee): Document.
1587 * recog.c (validate_simplify_insn): New function.
1588 * recog.h (validate_simplify_insn): Declaration as extern.
1589 * df-problems.c (df_chain_dump): Check for NULL.
1591 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1592 Daniel Berlin <dberlin@dberlin.org>
1594 * cfgrtl.c (insert_insn_bb_end_new): New function.
1595 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1597 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1599 * df.h (struct web_entry): Moved from web.c.
1600 (union_defs): Declaration as extern.
1601 (unionfind_root): Likewise.
1602 (unionfind_union): Likewise.
1603 * web.c (struct web_entry): Moved to df.h.
1604 (unionfind_root): Remove static declaration.
1605 (unionfind_union): Likewise.
1606 (union_defs): Likewise and generalize to use callback function.
1607 (web_main): Update arguments for union_defs function call.
1609 2006-05-04 Richard Guenther <rguenther@suse.de>
1611 PR tree-optimization/26447
1612 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1613 produce SSA_NAME copies before the store stmt to avoid
1614 breaking exception handling.
1616 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1619 * gimplify.c (omp_is_private): If var is shared in some outer context,
1620 return false instead of true. Stop searching on parallel context
1623 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1626 * coverage.c: Use get_gcov_unsigned_t() instead of
1627 unsigned_type_node all over.
1629 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1631 PR tree-optimization/27381
1632 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1633 maintain the same immediate_use links.
1634 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1635 node rather than segfaulting.
1637 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1640 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1641 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1642 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1644 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1646 Fix PR tree-optimization/26626
1647 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1649 * tree-ssa-operands.c (access_can_touch_variable): Allow
1650 typecasting through union pointers.
1652 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1655 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1656 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1657 to find if var will be a global variable even in the nested context.
1658 (omp_copy_decl): Only check for global variable at the end, it might
1659 be overridden in outer contexts.
1660 (scan_sharing_clauses): For global variables don't create a field.
1661 (lower_rec_input_clauses): Do nothing for global shared variables.
1662 Emit a barrier at the end of ILIST if there were any decls in both
1663 firstprivate and lastprivate clauses.
1664 (lower_send_clauses): Do nothing for global variables except for
1667 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1669 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1670 of the correct signedness is returned.
1672 2006-05-02 Jeff Law <law@redhat.com>
1674 PR tree-optimization/27364
1675 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1676 multiply expressions.
1678 2006-05-02 Tom Tromey <tromey@redhat.com>
1680 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1682 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1685 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1686 -mthumb -fPIC are used.
1688 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1689 Joshua Kinard <kumba@gentoo.org>
1692 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1693 with 64-bit pointers.
1695 2006-05-02 Paul Brook <paul@codesourcery.com>
1697 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1699 (create_fix_barrier): Check that a suitable barrier location is
1701 (arm_reorg): Include ftmp->address in allowable range of addresses.
1703 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1706 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1709 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1712 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1713 around RESULT_DECL for result passed by reference.
1714 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1715 * omp-low.c (use_pointer_for_field): Don't look at
1716 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1717 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1718 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1719 time or var for passing by reference for
1720 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1721 TREE_ADDRESSABLE variables when passing by reference.
1723 * omp-low.c (dump_omp_region): Fix output formatting.
1726 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1727 (expand_omp_parallel): Likewise.
1728 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1731 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1732 on statement list containing also constructors and destructors.
1733 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1736 * except.c (duplicate_eh_regions): Fix clearing of
1737 cfun->eh->region_array entries.
1739 2006-05-01 DJ Delorie <dj@redhat.com>
1741 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1743 (gcc_cv_objdump): Likewise.
1744 * configure: Regenerated.
1746 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1749 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1750 templates for case 3 and 4.
1752 2006-05-01 DJ Delorie <dj@redhat.com>
1754 * vec.c: Include bconfig.h when appropriate.
1755 * Makefile.in (build/vec.o): Adjust dependencies.
1756 * mkconfig.sh: Make sure config.h isn't used for build machine
1759 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1761 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1763 (mark_phi_for_rewrite): New function.
1764 (insert_phi_nodes_for, mark_use_interesting): Call
1765 mark_phi_for_rewrite.
1766 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1767 (update_ssa): Initialize and free phis_to_rewrite.
1769 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1771 PR rtl-optimization/27291
1772 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1773 folded to a constant.
1775 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1777 PR tree-optimization/27283
1778 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1779 not whole # of iteration descriptions.
1780 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1781 uses abnormal ssa name.
1782 (niter_for_single_dom_exit): Ditto.
1783 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1784 return just the number of iterations.
1786 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1788 PR tree-optimization/27144
1789 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1790 (record_estimate): Only record constant upper bound.
1791 (infer_loop_bounds_from_undefined): Call
1792 compute_estimated_nb_iterations just once.
1793 (proved_non_wrapping_p): Renamed to ...
1794 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1795 (convert_step_widening, scev_probably_wraps_p): Call
1796 n_of_executions_at_most instead of proved_non_wrapping_p.
1797 (substitute_in_loop_info): Do not replace values in bounds.
1798 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1801 2006-05-01 Richard Henderson <rth@redhat.com>
1804 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1805 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1808 2006-05-01 Roger Sayle <roger@eyesopen.com>
1810 * c-typeck.c (parser_build_binary_op): Don't call the function
1811 unsigned_conversion_warning to spot operand/result type overflow.
1812 (build_binary_op): Instead, call convert_and_check instead of
1813 convert to report the problem when the operands are promoted.
1814 * c-common.c (unsigned_conversion_warning): Make static.
1815 * c-common.h (unsigned_conversion_warning): Delete prototype.
1817 2006-05-01 Richard Guenther <rguenther@suse.de>
1819 PR tree-optimization/26726
1820 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1822 (find_interesting_uses_address): ... we work around here
1823 by folding INDIRECT_REFs in the substituted base.
1825 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1827 * omp-low.c (dump_omp_region): Add newlines.
1829 2006-04-30 Roger Sayle <roger@eyesopen.com>
1831 * common.opt (Woverflow): New command line option.
1832 * c-common.c (constant_expression_warning): Check warn_overflow.
1833 (overflow_waring): Pass OPT_Woverflow to warning.
1834 (unsigned_conversion_warning): Likewise.
1835 (convert_and_check): Likewise.
1836 * doc/invoke.texi: Document new command line option.
1838 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1840 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1841 TARGET_NO_FP_IN_TOC for section anchors.
1842 (optimization_options): Enable section anchors for all
1843 non-"Objective" languages.
1845 2006-04-28 Eric Christopher <echristo@apple.com>
1847 * config/darwin-c.c (darwin_ms_struct): Move this
1848 (darwin_set_default_type_attributes): and this...
1849 * config/darwin.c: ... here.
1850 * config/darwin.h (darwin_ms_struct): Declare.
1852 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1854 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1856 2006-04-28 Roger Sayle <roger@eyesopen.com>
1859 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1860 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1861 an unsigned HOST_WIDE_INT.
1862 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1864 (really_start_incremental_init): No need to call convert because
1865 bitsize_zero_node is already of type bitsizetype.
1866 (push_init_level): Extract the value of constructor_index as an
1867 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1868 (process_init_element): Likewise.
1870 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1872 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1873 value before passing to make_relative_prefix.
1875 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1878 * builtins.c (expand_builtin_memset): Expand val in original mode.
1880 2006-04-27 Eric Christopher <echristo@apple.com>
1882 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1883 with #ifndef/#endif.
1884 * config/darwin-c.c (darwin_ms_struct): New.
1885 (darwin_pragma_ms_struct): Ditto.
1886 (darwin_set_default_type_attributes): Ditto.
1887 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1888 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1889 Register ms_struct pragma.
1890 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1891 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1892 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1893 darwin_set_default_type_attributes if TARGET_MACHO.
1895 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1897 PR tree-optimization/26854
1898 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1899 * doc/tree-ssa.texi: Update immuse iterator documentation.
1900 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1901 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1902 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1903 first_safe_imm_use, next_safe_imm_use): Remove.
1904 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1905 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1906 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1907 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1908 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1909 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1910 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1911 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1912 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1913 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1914 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1915 (perfect_nestify): Use new iterator.
1916 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1918 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1919 (next_imm_name): New field in struct immediate_use_iterator_d.
1920 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1921 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1922 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1923 * tree-cfg.c (replace_uses_by): Use new iterator.
1924 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1925 * tree-ssa-operands.c (correct_use_link): Remove.
1926 (finalize_ssa_use_ops): No longer call correct_use_link.
1928 2006-04-27 Stuart Hastings <stuart@apple.com>
1930 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1931 * config/t-darwin (crt3.o): Use it.
1932 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1933 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1934 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1935 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1936 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1939 2006-04-27 Roger Sayle <roger@eyesopen.com>
1941 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1942 size, force the intermediate into a new pseudo rather instead of
1943 performing both a bitwise AND and a bitwise IOR in memory.
1945 2006-04-27 Richard Guenther <rguenther@suse.de>
1947 PR rtl-optimization/26685
1948 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1949 this one "max-flow-memory-locations".
1951 2006-04-27 Richard Guenther <rguenther@suse.de>
1953 PR tree-optimization/25148
1954 * tree-vrp.c (compare_values): Remove code dealing with
1955 comparisons against type min/max value. Honour overflow
1956 and negative constants in code dealing with comparisons
1957 of plus and minus expressions.
1958 (value_inside_range): Use fold_binary with LE_EXPR and
1959 GE_EXPR rather than compare_values.
1961 2006-04-27 Dirk Mueller <dmueller@suse.de>
1963 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1966 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1968 * basic-block.h (safe_insert_insn_on_edge): Removed.
1969 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1971 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1972 Paolo Bonzini <bonzini@gnu.org>
1975 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1976 (simplify_and_const_int): Same.
1978 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1980 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1982 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1985 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1986 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1987 cgraph_global_info_ready.
1990 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1993 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1994 either decl or init is error_mark_node.
1997 * tree-flow.h (struct omp_region): Add sched_kind.
1998 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1999 instead of extracting omp for data.
2000 (expand_omp_for): Save extracted sched_kind.
2002 2006-04-25 Roger Sayle <roger@eyesopen.com>
2004 * expmed.c (store_bit_field): Also check whether the bitsize is
2005 valid for the machine's "insv" instruction before moving the
2006 target into a pseudo for use with the insv.
2007 * config/i386/predicates.md (const8_operand): New predicate.
2008 * config/i386/i386.md (extv, extzv, insv): Use the new
2009 const8_operand predicate where appropriate.
2011 2006-04-25 DJ Delorie <dj@redhat.com>
2013 * doc/install.texi (Specific): Clarify that this is not a list of
2014 supported hosts or targets.
2016 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2018 PR rtl-optimization/26725
2019 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2020 block's BB_DIRTY flag.
2022 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2024 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2027 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2028 to print an integer.
2030 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2032 * varasm.c (align_variable): New function.
2033 (get_block_for_decl): Apply align_variable to DECL before
2034 calculating section information.
2035 (assemble_variable): Split out alignment computation.
2037 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2039 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2042 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2044 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2045 MODE_PARTIAL_INT mode.
2046 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2047 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2049 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2050 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2052 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2054 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2056 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2057 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2058 MACFLAG_IH): Likewise.
2059 (movstricthi_1): Renamed from "*movstricthi".
2060 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2061 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2062 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2063 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2064 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2065 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2066 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2067 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2068 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2069 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2070 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2071 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2072 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2073 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2074 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2076 * doc/rtl.texi (ss_ashift): Improve wording.
2078 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2080 * dwarf2out.c (verify_marks_clear): New.
2081 (prune_unused_types): Call verify_marks_clear initially, not
2084 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2086 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2087 * doc/rtl.texi: Document them.
2088 * simplify-rtx.c (simplify_unary_operation,
2089 simplify_binary_operation_1): Don't abort when we see them.
2091 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2094 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2095 * configure.ac: Completely disregard languages that are not
2097 * configure: Regenerated.
2099 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2100 Richard Guenther <rguenther@suse.de>
2102 PR tree-optimization/27236
2103 * tree-inline.c (copy_body_r): Make sure to copy
2104 TREE_THIS_VOLATILE flag.
2106 2006-04-24 Richard Guenther <rguenther@suse.de>
2109 * tree-complex.c (update_parameter_components): Don't handle
2110 unused parameters which have no default def.
2112 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2113 Richard Guenther <rguenther@suse.de>
2115 PR tree-optimization/27218
2116 * tree-inline.c (expand_call_inline): Strip useless type
2117 conversions for the return slot address.
2119 2006-04-24 Richard Guenther <rguenther@suse.de>
2121 * cfgloop.h (struct loops): Remove unused field array. Reorder
2123 (LOOP_PREFETCH): Remove.
2125 2006-04-24 Richard Guenther <rguenther@suse.de>
2127 PR tree-optimization/22525
2128 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
2129 variable, adjust types of generated expressions.
2131 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
2133 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
2134 (tree-vect-patterns.o): Likewise.
2136 (cselib.o): Likewise.
2137 (loop-doloop.o): Likewise.
2138 (regclass.o): Likewise.
2139 (reload1.o): Likewise.
2140 (explow.o): Replace target.h with $(TARGET_H).
2141 (ipa-prop.o): Likewise.
2142 (ipa-cp.o): Likewise.
2143 (ipa-inline.o): Likewise.
2144 (reorg.o): Likewise.
2145 (reg-stack.o): Likewise.
2147 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2149 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
2151 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2153 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
2155 * configure.ac: Completely disregard languages that are not
2157 * configure: Regenerated.
2160 * c-common.h (c_build_bitfield_integer_type): Declare.
2161 * c-decl.c (c_build_bitfield_integer_type): Move to ...
2162 * c-common.c (c_build_bitfield_integer_type): ... here.
2164 2006-04-23 Roger Sayle <roger@eyesopen.com>
2167 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
2168 a SImode SUBREG of a floating point register after no_new_pseudos.
2170 2006-04-23 Roger Sayle <roger@eyesopen.com>
2172 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
2173 identify potentially eliminable registers to additionally catch
2174 VIRTUAL_INCOMING_ARGS_REGNUM.
2175 (addsi3): Update the conditions on when to use addsi_small_int.
2177 2006-04-23 Roger Sayle <roger@eyesopen.com>
2180 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
2181 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
2182 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
2184 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2186 * fold-const.c (range_predecessor): Use operand_equal_p
2187 as the predicate for equality.
2188 (range_successor): Likewise.
2190 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2193 * config/soft-fp/op-common.h: Fix a typo.
2195 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
2198 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
2199 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
2201 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2203 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
2205 * doc/tm.texi: Fix a typo.
2207 2006-04-21 Geoffrey Keating <geoffk@apple.com>
2209 * dwarf2out.c (struct die_struct): Document that die_sib makes
2210 a circular linked list.
2211 (FOR_EACH_CHILD): New.
2212 (reverse_die_lists): Delete.
2213 (reverse_all_dies): Delete.
2214 (add_dwarf_attr): Correct documentation.
2215 (remove_child_with_prev): New.
2216 (remove_child_TAG): Update for change to die_struct, use
2217 remove_child_with_prev.
2218 (add_child_die): Update for change to die_struct.
2219 (splice_child_die): Use remove_child_with_prev and add_child_die.
2220 (print_die): Use FOR_EACH_CHILD.
2221 (die_checksum): Likewise.
2222 (assign_symbol_names): Likewise.
2223 (output_location_lists): Likewise.
2224 (build_abbrev_table): Likewise.
2225 (calc_die_sizes): Likewise.
2226 (mark_dies): Likewise.
2227 (unmark_dies): Likewise.
2228 (unmark_all_dies): Likewise.
2229 (output_die): Likewise.
2230 (prune_unused_types_mark): Likewise.
2231 (prune_unused_types_walk): Likewise.
2232 (same_die_p): Update for change to die_struct.
2233 (break_out_includes): Likewise.
2234 (prune_unused_types_prune): Likewise.
2235 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
2236 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
2238 (dwarf2out_finish): Don't call reverse_all_dies.
2240 2006-04-21 Eric Christopher <echristo@apple.com>
2242 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
2243 in comments and function names.
2245 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2248 * c-typeck.c (digest_init): Robustify.
2250 * c-typeck.c (pop_init_level): Simplify.
2252 2006-04-21 Steve Ellcey <sje@cup.hp.com>
2254 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
2256 2006-04-21 Paul Brook <paul@codesourcery.com>
2258 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
2259 hardware floating point.
2261 2006-04-21 David Edelsohn <edelsohn@gnu.org>
2263 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
2266 2006-04-21 Nick Clifton <nickc@redhat.com>
2268 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
2271 2006-04-21 Alan Modra <amodra@bigpond.net.au>
2274 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
2275 C++ lang type in traceback table for Objective-C++.
2277 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2279 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
2281 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2283 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2286 * tree-mudflap.c (mudflap_finish_file): Skip function when there
2287 were errors. Remove check for erroneous objects.
2289 2006-04-20 Jeff Law <law@redhat.com>
2291 PR tree-optimization/26854
2292 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
2293 checking for zero or one use.
2294 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
2295 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
2296 * tree-ssa-reassoc.c (negate_value): Similarly.
2297 (reassociate_bb): Similarly.
2299 2006-04-20 Jakub Jelinek <jakub@redhat.com>
2301 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
2302 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
2303 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2305 2006-04-20 Alan Modra <amodra@bigpond.net.au>
2307 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
2308 fp regs if the last fp arg doesn't fit in regs.
2310 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
2313 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
2314 that the last insn has the REG_INC note.
2316 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
2317 Nathan Sidwell <nathan@codesourcery.com>
2320 * stor-layout.c (update_alignment_for_field): Do not align
2322 (place_union_field): Place union field at the start of the union.
2323 (place_field): Move ERROR_MARK check later, and use the current
2324 allocation position to maintain monotonicity.
2326 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
2328 * dominance.c: Include timevar.h.
2329 (calculate_dominance_info): Use TV_DOMINANCE.
2330 * timevar.def (TV_DOMINANCE): New timevar.
2331 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2333 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2335 PR rtl-optimization/14261
2336 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2337 move would be an INSV insn.
2338 (noce_process_if_block): Don't optimize if the destination is a
2339 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2341 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2343 * config/s390/s390.md: Add comments with the instructions emitted
2344 by an insn pattern if macros are used.
2346 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2348 PR rtl-optimization/26026
2349 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2350 is a known power of two shifted left a variable amount.
2352 2006-04-18 Geoffrey Keating <geoffk@apple.com>
2354 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
2355 to hash table twice when the debug_str section has SECTION_MERGE.
2357 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
2359 * config/soft-fp: New directory. From glibc.
2360 * config/soft-fp/t-softfp: New.
2361 * config/soft-fp/README: New.
2362 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
2363 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
2364 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
2365 (LIBGCC_DEPS): Add $(SFP_MACHINE).
2366 * config.gcc: Use rs6000/t-fprules-fpbit or
2367 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
2369 * config/rs6000/sfp-machine.h: New. Based on glibc.
2370 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
2372 * config/rs6000/t-fprules: Remove fp-bit rules.
2373 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
2374 * config/rs6000/t-linux64: Likewise. Remove duplicates from
2375 LIB2FUNCS_EXTRA. Remove fp-bit rules.
2376 (softfp_wrap_start, softfp_wrap_end): New.
2378 2006-04-18 DJ Delorie <dj@redhat.com>
2380 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2382 2006-04-18 Devang Patel <dpatel@apple.com>
2384 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2386 2006-04-18 Nick Clifton <nickc@redhat.com>
2388 * config/sh/t-symbian: Add rule to build sh-c.o
2389 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
2390 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
2391 (sh_symbian_encode_section_info): Likewise.
2393 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
2395 * builtins.c (expand_builtin_strcmp): Cover label definition of
2396 do_libcall with HAVE_cmpstrnsi.
2398 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
2400 * function.c (temp_slots_at_level, max_slot_level): Use VEC
2402 * function.h (temp_slot_p): New.
2403 (function): Change the type of x_used_temp_slots to
2404 VEC(temp_slot_p,gc) *.
2406 2006-04-18 Nick Clifton <nickc@redhat.com>
2408 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
2409 flag_strength_reduce.
2411 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2413 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2417 Partial revert of revision 112637
2418 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2419 Dale Johannesen <dalej@apple.com>
2422 * regclass.c (struct reg_pref): Update documentation.
2423 (regclass): Set prefclass to NO_REGS if memory is the best option.
2424 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2426 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2428 PR tree-optimization/26821
2429 * tree-ssa-math-opts.c (get_constant_one): New.
2430 (insert_reciprocals): Use it.
2432 2006-04-17 Geoffrey Keating <geoffk@apple.com>
2434 * dwarf2out.c (free_AT): Delete.
2435 (remove_AT): Update string ref counts.
2436 (remove_child_TAG): Don't call free_die.
2438 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
2439 or DW_TAG_GNU_EINCL.
2440 (prune_unused_types_walk_attribs): Reset string refcounts.
2441 (prune_unused_types_update_strings): New.
2442 (prune_unused_types_prune): Don't make unnecessary stores. Don't
2443 call free_die. Do call prune_unused_types_update_strings.
2444 (prune_unused_types): Empty debug_str_hash.
2446 2006-04-17 Roger Sayle <roger@eyesopen.com>
2448 * expr.c (expand_assignment): Optimize away no-op moves where the
2449 source and destination are equal and have no side-effects.
2451 2006-04-17 Richard Guenther <rguenther@suse.de>
2454 * reload.c (push_reload): Guard calls to get_secondary_mem
2457 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2459 * alias.c (reg_base_value, old_reg_base_value): Change the
2460 type to VEC(rtx,gc) *.
2461 (REG_BASE_VALUE, find_base_value, record_set,
2462 init_alias_analysis): Use VEC instead of VARRAY.
2464 * alias.c (alias_sets): Change the type to
2465 VEC(alias_set_entry,gc) *.
2466 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2467 VEC instead of VARRAY.
2468 (last_alias_set): Remove.
2470 * cgraph.h (cgraph_edge_p): New.
2471 Update the prototype of cgraph_function_versioning.
2472 * cgraphunit.c (cgraph_copy_node_for_versioning,
2473 cgraph_function_versioning): Use VEC instead of VARRAY.
2474 * ipa-cp.c (ipcp_insert_stage): Likewise.
2476 2006-04-16 Roger Sayle <roger@eyesopen.com>
2479 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2480 "A op B" or "A op C", we may need to convert A to the type of B and C.
2482 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2484 * target.h (struct gcc_target): Add mode_rep_extended.
2485 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
2486 (init_num_sign_bit_copies_in_rep): Initialize it using
2488 (truncate_to_mode): Use it.
2489 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2490 * targhooks.h (default_mode_rep_extended): Declare it.
2491 * targhooks.c (default_mode_rep_extended): Define it.
2492 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2493 default_mode_rep_extended.
2494 (TARGET_INITIALIZER): Include it.
2495 * doc/tm.texi (Misc): Document it.
2496 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2497 (mips_truncated_to_mode): New function.
2499 2006-04-16 Roger Sayle <roger@eyesopen.com>
2502 * expr.c (compress_float_constant): Copy the narrow constant into
2503 a new pseudo before extending it to its final width.
2505 2006-04-16 Roger Sayle <roger@eyesopen.com>
2506 Andrew Pinski <pinskia@gcc.gnu.org>
2507 Dale Johannesen <dalej@apple.com>
2510 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2511 special case code to implement V8HImode and V16QImode with SSE2.
2513 2006-04-15 Roger Sayle <roger@eyesopen.com>
2515 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2516 trees are constructed with a suitable tree type.
2518 2006-04-15 Roger Sayle <roger@eyesopen.com>
2520 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2521 (integer_onep): Likewise.
2522 (integer_all_onesp): Likewise.
2523 (integer_pow2p): Likewise.
2524 (integer_nonzerop): Likewise.
2525 (real_zerop): Likewise.
2526 (real_onep): Likewise.
2527 (real_twop): Likewise.
2528 (real_minus_onep): Likewise.
2529 (int_size_in_bytes): Likewise.
2530 (host_integerp): Likewise.
2532 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2534 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2535 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2536 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2538 * tree-ssa-structalias.h (alias_info): Remove num_references.
2540 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2542 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2543 (output_bvb patterns): Likewise.
2544 * pa.c (output_bb): Use 'bb' insn for long branch case.
2545 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2546 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2547 1. Correct length operand for alternatives 1 and 2.
2548 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2549 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2551 2006-04-14 Roger Sayle <roger@eyesopen.com>
2553 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2554 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2555 were accidentally reverted by r112959.
2557 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2560 * except.h (eh_region_outermost): New prototype.
2561 * except.c (eh_region_outermost): New function.
2562 * tree-cfg.c (find_outermost_region_in_block): Use it.
2564 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2566 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2568 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2569 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2570 (init_reload, reload): Use VEC instead of VARRAY.
2571 * reload.h: Update the prototype for
2572 reg_equiv_memory_loc_varray.
2574 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2575 Eric Botcazou <ebotcazou@libertysurf.fr>
2577 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2580 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2583 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2584 to expand fallback builtin function call.
2586 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2589 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2590 and emit libcall here in case the builtin fails.
2591 (expand_builtin_strcmp): Always emit the libcall here on failure.
2593 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2595 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2596 * flow.c (reg_n_info): Change the type to
2597 VEC(reg_info_p,heap) *.
2598 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2600 * regs.h (reg_info_p): New.
2601 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2602 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2603 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2606 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2608 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2610 * params.h (MAX_SCHED_READY_INSNS): New macro.
2611 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2612 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2613 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2614 the ready list for 1 cycle during the first scheduling pass.
2615 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2617 2006-04-13 Richard Henderson <rth@redhat.com>
2620 * gimple-low.c (lower_omp_directive): Remove dead code.
2621 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2622 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2623 * omp-low.c (struct omp_region): Move to tree-flow.h.
2624 (root_omp_region): Export.
2625 (omp_regions, lookup_omp_region): Remove.
2626 (determine_parallel_type): Update for struct omp_region changes.
2627 (dump_omp_region): Dump regions with block numbers.
2628 (new_omp_region): Take type and block instead of stmt; malloc
2630 (free_omp_region_1, free_omp_regions): New.
2631 (expand_parallel_call): Take entry_stmt as argument; update for
2632 changes to omp_region.
2633 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2634 (remove_exit_barriers): New.
2635 (expand_omp_parallel): Update for struct omp_region changes.
2636 (expand_omp_synch): Likewise.
2637 (expand_omp): Likewise.
2638 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2639 (expand_omp_for_static_chunk): Likewise.
2640 (expand_omp_for): Likewise.
2641 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2642 (expand_omp_sections): Similarly, with GOMP_sections_end.
2643 (expand_omp_single): New.
2644 (build_omp_regions_1): Update for OMP_CONTINUE.
2645 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2646 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2647 OMP_SECTIONS_SECTIONS.
2648 (lower_omp_single_simple): Don't emit barrier here.
2649 (lower_omp_single_copy): Likewise.
2650 (lower_omp_single): Fix bindings, and lower to straightline now.
2651 (lower_omp_master, lower_omp_ordered): Likewise.
2652 (lower_omp_critical): Likewise.
2653 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2654 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2655 omp edges, free it afterward.
2656 (make_omp_sections_edges): Remove.
2657 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2658 (move_stmt_r): Handle OMP_CONTINUE.
2659 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2660 statement pointers to basic blocks. Add type member.
2661 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2662 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2663 * tree-inline.c (estimate_num_insns_1): Likewise.
2664 * tree-pretty-print.c (dump_generic_node): Likewise.
2665 * tree-ssa-operands.c (get_expr_operands): Likewise.
2666 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2667 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2668 (OMP_CONTINUE): New.
2669 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2670 (OMP_SECTIONS_SECTIONS): Remove.
2671 (OMP_SECTION_LAST): New.
2672 (OMP_RETURN_NOWAIT): New.
2674 2006-04-13 Roger Sayle <roger@eyesopen.com>
2676 * fold-const.c (native_encode_vector, native_interpret_real):
2677 Correct obvious mistakes in the previous check-in.
2679 2006-04-13 Roger Sayle <roger@eyesopen.com>
2681 * fold-const.c (native_encode_expr): New function to encode
2682 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2683 or VECTOR_CST into a specified buffer.
2684 (native_encode_int): New function.
2685 (native_encode_real): New function.
2686 (native_encode_complex): New function.
2687 (native_encode_vector): New function.
2688 (native_interpret_expr): Inverse of native_encode_expr to convert
2689 a target representation into an INTEGER_CST, REAL_CST etc...
2690 (native_interpret_int): New function.
2691 (native_interpret_real): New function.
2692 (native_interpret_complex): New function.
2693 (native_interpret_vector): New function.
2694 (fold_view_convert_expr): New function to constant fold/evaluate
2695 a VIEW_CONVERT_EXPR of a suitable constant expression.
2696 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2697 Change call of build1 to fold_build1 when constructing a
2700 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2701 Ulrich Weigand <uweigand@de.ibm.com>
2704 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2707 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2710 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2711 optimize to lo_sum for DFmode if !TARGET_FPRS.
2713 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2715 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2716 delete_alias_info, compute_flow_sensitive_aliasing,
2717 group_aliases): Use VEC instead of VARRAY.
2718 * tree-ssa-structalias.c (update_alias_info): Likewise.
2719 * tree-ssa-structalias.h (alias_info): Change the type of
2720 processed_ptrs to VEC(tree,heap) *.
2722 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2725 * config/sh/lib1funcs.h: New file, broken out of:
2726 * config/sh/lib1funcs.asm.
2727 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2729 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2730 * config/sh/lib1funcs-Os-4-200.asm: New file.
2731 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2732 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2733 (EXTRA_MULTILIB_PARTS): Include it.
2734 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2735 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2736 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2737 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2740 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2742 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2743 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2744 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2746 * tree-ssa-live.h: Include vecprim.h.
2747 (tree_partition_associator_d): Change the type of
2748 first_partition to VEC(int,heap) *.
2749 (tpa_first_partition): Use VEC instead of VARRAY.
2751 * Makefile.in (GTFILES): Move functions.h after tree.h.
2752 * function.c (reset_block_changes, record_block_change,
2753 check_block_change, free_block_changes): Use VEC instead of
2755 * function.h (function): Change the type of
2756 ib_boundaries_block to VEC(tree,gc) *.
2757 * tree-inline.c (copy_cfg_body): Initialize
2758 ib_boundaries_block to NULL instead of (varray_type) 0.
2760 2006-04-12 Roger Sayle <roger@eyesopen.com>
2762 * expr.c (emit_group_store): Correct operand order in call to
2763 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2764 a SUBREG_BYTE of zero.
2766 2006-04-12 Richard Guenther <rguenther@suse.de>
2768 * profile.c (compute_branch_probabilities): Remove code
2769 encapsulated in !ir_type (), which are remanents of the
2770 removed RTL profiling code.
2771 * rtl-profile.c: Remove.
2773 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2775 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2776 magic NULL_RTX comment.
2777 (function_arg): Store entire fp arg to mem if any part should go
2779 (rs6000_arg_partial_bytes): Adjust for above change.
2781 2006-04-11 Roger Sayle <roger@eyesopen.com>
2783 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2784 if it hasn't been initialized by dwarf2out_init.
2786 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2788 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2789 symbolic constants in branch patterns.
2791 2006-04-11 Roger Sayle <roger@eyesopen.com>
2793 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2795 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2797 PR rtl-optimization/27073
2798 * gcse.c (try_replace_reg): Revert last change. Continue to search
2799 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2802 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2804 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2805 aggregate types other than record and union types.
2806 (function_arg): Likewise.
2807 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2809 (function_value): In 64-bit mode, return objects that require it
2812 2006-04-11 Roger Sayle <roger@eyesopen.com>
2814 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2816 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2818 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2820 2006-04-03 Jeff Law <law@redhat.com>
2823 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2824 alias information too.
2826 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2828 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2830 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2833 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2834 (premark_used_types_helper): New.
2835 (premark_used_types): New.
2836 (gen_subprogram_die): Call premark_used_types.
2837 (prune_unused_types_walk): Do not prune perennial dies.
2838 * function.c (used_types_insert): New.
2839 * function.h (struct function): Add used_types_hash field.
2840 (used_types_insert): Add prototype.
2841 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2842 * c-parser.c (c_parser_cast_expression): Save casted types in used
2845 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2848 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2849 rs6000_explicit_options.float_gprs.
2851 2006-04-10 Roger Sayle <roger@eyesopen.com>
2853 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2854 from ix86_expand_vector_init_low_nonzero. Take an additional
2855 one_var argument indicating which element is non-zero. Support
2856 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2857 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2858 with one_var instead of ix86_expand_vector_init_low_nonzero.
2860 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2862 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2863 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2864 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2865 build/genextract.o): Depend on vecprim.h.
2866 * cfglayout.c, df-problems.c, function.c, genextract.c,
2867 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2868 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2872 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2874 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2875 Declare VECs of this type.
2876 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2877 (remove_children): Delete.
2878 (add_dwarf_attr): Use VEC routines.
2879 (add_AT_flag): Update for changes to add_dwarf_attr.
2880 (add_AT_int): Likewise.
2881 (add_AT_unsigned): Likewise.
2882 (add_AT_long_long): Likewise.
2883 (add_AT_vec): Likewise.
2884 (add_AT_string): Likewise.
2885 (add_AT_die_ref): Likewise.
2886 (add_AT_fde_ref): Likewise.
2887 (add_AT_loc): Likewise.
2888 (add_AT_loc_list): Likewise.
2889 (add_AT_addr): Likewise.
2890 (add_AT_lbl_id): Likewise.
2891 (add_AT_lineptr): Likewise.
2892 (add_AT_macptr): Likewise.
2893 (add_AT_offset): Likewise.
2894 (add_AT_range_list): Likewise.
2895 (get_AT): Use VEC_iterate.
2896 (remove_AT): Use VEC_ordered_remove.
2897 (free_die): Fold remove_children into here; have it use VEC_iterate.
2898 (print_die): Use VEC_iterate on attrs.
2899 (reverse_die_lists): Don't reverse attr lists.
2900 (die_checksum): Use VEC_iterate on attrs.
2901 (same_die_p): Likewise.
2902 (output_location_lists): Likewise.
2903 (build_abbrev_table): Likewise.
2904 (size_of_die): Likewise.
2905 (unmark_all_dies): Likewise.
2906 (output_abbrev_section): Likewise.
2907 (output_die): Likewise.
2908 (prune_unused_types_walk_attribs): Likewise.
2910 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2912 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2914 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2917 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2919 2006-04-09 Roger Sayle <roger@eyesopen.com>
2921 * expr.c (store_constructor): Don't bother clearing target if
2922 we're about to assign a vector to it using vec_init_optab.
2924 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2926 * tree-ssa-alias.c (lhs_may_store_to): New function.
2927 (recalculate_used_alone): Handle LHS of calls.
2929 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2933 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2934 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2935 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2936 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2937 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2938 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2939 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2940 stubs. Add ".align 8" directives before all ".dword" directives.
2941 (GTHREAD_USE_WEAK): Revise comment.
2942 (TARGET_ATTRIBUTE_WEAK): Define.
2943 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2944 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2945 * stublib.c: New file.
2950 * pa.md (cbranch patterns): Revise arguments used in calls to
2951 output_cbranch, output_bb and output_bvd. Add long branch length
2953 (fbranch patterns): Handle long branches.
2954 (jump): Revise length check. Revise arguments for output_lbranch call.
2955 Add long branch length attributes.
2956 (decrement_and_branch_until_zero): Add long branch length attributes.
2957 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2958 Likewise. Revise arguments for output_parallel_addb and
2959 output_parallel_movb calls.
2960 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2961 output_parallel_movb and output_parallel_addb): Update prototypes.
2962 * pa.c (output_cbranch): Revise arguments. Correct handling of
2963 nullification in long branches.
2964 (output_lbranch): Add new argument to control extraction of delay
2966 (output_bb): Handle long branches.
2967 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2968 output_parallel_addb): Likewise.
2970 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2972 PR rtl-optimization/27073
2973 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2976 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2978 * tree.h (tree_memory_tag): Add old_used_alone.
2979 (SMT_OLD_USED_ALONE): New macro.
2980 * tree-ssa-alias.c (recalculate_used_alone): Stop
2981 marking things for renaming unnecessarily.
2983 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2985 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2986 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2987 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2988 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2989 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2990 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2991 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2992 spelling convensions.
2993 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2994 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2995 typos. Follow spelling conventions.
2997 2006-04-07 DJ Delorie <dj@redhat.com>
2999 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3000 passed on the stack.
3001 (m32c_init_cumulative_args): When a function returns a structure,
3002 always pass the pointer to that return area on the stack.
3003 (m32c_function_arg_advance): Don't increment the parameter number
3004 if we're processing the returned structure pointer.
3005 (pushm_info): Reverse order of registers.
3007 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3009 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3010 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3011 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3012 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3014 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3015 chrec_fold_multiply): Same.
3016 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3017 force_expr_to_var_cost): Same.
3018 * tree-mudflap.c (mf_xform_derefs_1): Same.
3019 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3021 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3023 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3024 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3027 2006-04-07 Jan Hubicka <jh@suse.cz>
3029 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3031 2006-04-07 Richard Guenther <rguenther@suse.de>
3033 PR tree-optimization/26135
3034 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3035 loads for store copy-prop.
3036 (copy_prop_visit_stmt): Likewise.
3038 2006-04-05 Robert Millan <robertmh@gnu.org>
3040 * config/i386/linux.h: Add a comment to mark macros that are
3041 being overriden in config/k*bsd-gnu.h.
3042 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3044 * config/knetbsd-gnu.h: Ditto.
3046 2006-04-06 Jan Hubicka <jh@suse.cz>
3050 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3053 2006-04-06 Mike Stump <mrs@apple.com>
3055 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3056 for HAVE_nonlocal_goto to be consistent.
3057 (expand_builtin_nonlocal_goto): Likewise.
3058 (expand_builtin_strcmp): Use #ifdef instead of #if
3059 for HAVE_cmpstrnsi to be consistent.
3061 2006-04-05 DJ Delorie <dj@redhat.com>
3063 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3066 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3068 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3069 got-relative addressing for anything but SImode.
3071 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3072 even if the calling function doesn't modify them.
3074 2006-04-05 Richard Guenther <rguenther@suse.de>
3076 PR tree-optimization/26919
3077 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3078 to cgraph_estimate_size_after_inlining.
3080 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3082 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3084 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3086 PR tree-optimization/26996
3087 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3088 VECTOR_TYPE variables.
3090 2006-04-05 Richard Guenther <rguenther@suse.de>
3092 PR tree-optimization/26763
3093 * fold-const.c (fold_comparison): Move folding of
3094 PTR + CST CMP PTR + CST ...
3095 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3097 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3099 * doc/install.texi (Prerequisites): Refine some wording on
3100 bootstrapping and ksh.
3101 Move the version numbers of DejaGnu here from the testing section
3102 and fix casing of names.
3103 Fix markup and clarify wording for autogen requirements.
3104 Refer to GCJ instead of just java.
3105 Refer to SVN instead of CVS.
3106 Describe diffutils as useful instead of necessary.
3107 (Downloading the source): Refer to SVN instead of CVS.
3108 Adjust a link to our web site accordingly.
3109 (Configuration): Fix casing of Bison.
3110 (Building): Refer to SVN instead of CVS.
3111 Fix a sentence on the use of Bison and remove duplicate (and
3112 incorrect) version number of Bison requirement.
3113 Remove one redundant list of packages needed for building.
3114 (Specific): Avoid reference to CVS.
3116 2006-04-04 Eric Christopher <echristo@apple.com>
3118 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
3119 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
3120 (rs6000_handle_struct_attribute): New.
3121 (rs6000_ms_bitfield_layout_p): Ditto.
3123 2006-04-04 Geoffrey Keating <geoffk@apple.com>
3125 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
3126 NULL for dso parameter to atexit_common.
3128 2006-04-04 Eric Christopher <echristo@apple.com>
3130 * config/i386/i386.c (machopic_output_stub): Output \t
3131 between instructions and operands.
3133 2006-04-04 David Edelsohn <edelsohn@gnu.org>
3135 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
3136 satisfies_constraint_[IL] to explicit tests on value.
3138 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
3140 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3141 set_nb_iterations_in_loop): Use build_int_cst instead of
3143 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
3144 build_int_cst instead of convert.
3146 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
3148 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
3149 new value 2 for incoming.
3150 * function.c (expand_function_start): Call struct_value_rtx
3152 * config/sparc/sparc.md: Comment updated_return.
3153 * config/sparc/sparc.opt: Add -mstd-struct-return option.
3154 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
3155 struct return if sparc_std_struct_return and incoming is 2.
3156 (print_operand): Do not adjust return if
3157 sparc_std_struct_return.
3159 2006-04-04 Roger Sayle <roger@eyesopen.com>
3161 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
3162 convert in the middle-end.
3163 * expr.c (store_expr, store_constructor, get_inner_reference,
3164 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
3166 * tree.c (build_range_type): Likewise.
3168 2006-04-04 Tom Tromey <tromey@redhat.com>
3170 * doc/install.texi (Prerequisites): Mention jar.
3172 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
3174 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
3177 2006-04-04 Matthias Klose <doko@debian.org>
3179 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
3180 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
3183 2006-04-03 Geoffrey Keating <geoffk@apple.com>
3185 * doc/extend.texi (Function Attributes): Rewrite visibility
3186 attribute documentation.
3187 * doc/invoke.texi (C++ Dialect Options): Rewrite
3188 -fvisibility-inlines-hidden documentation to describe something
3189 entirely different, although in practise compatible.
3190 (Code Gen Options): Warn about system headers in -fvisibility=
3193 * doc/extend.texi (Other Builtins): Document that
3194 __builtin_nan is a compile-time constant only when its argument
3197 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
3199 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
3200 trying to remove TRUNCATE check if all bits outside the new mode
3201 are identical to the sign bit.
3203 2006-04-03 Jeff Law <law@redhat.com>
3205 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
3206 and operand scanning in some common cases.
3208 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3209 Dale Johannesen <dalej@apple.com>
3212 * regclass.c (struct reg_pref): Update documentation.
3213 (regclass): Set prefclass to NO_REGS if memory is the best option.
3214 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3215 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
3216 into account. For non-registers, equate an empty preferred
3217 reload class to a `!' in the constraint; move the if clause to
3218 do so after those that reject the insn.
3219 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
3221 (find_dummy_reload): Likewise.
3222 * doc/tm.texi (Register Classes): Document what it means
3223 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
3224 * config/i386/i386.c (ix86_preferred_reload_class): Force
3225 using SSE registers (and return NO_REGS for floating-point
3226 constants) if math is done with SSE.
3227 (ix86_preferred_output_reload_class): New.
3228 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
3229 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
3230 * config/i386/i386.md: Remove # register preferences.
3232 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3235 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3236 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
3237 the type of nb_iter.
3238 (instantiate_parameters_1): Convert the operands before calling
3239 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
3240 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
3242 2006-04-02 Roger Sayle <roger@eyesopen.com>
3244 * builtins.c (dummy_object): Use build_int_cst instead of convert.
3245 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
3247 * dojump.c (do_jump): Likewise.
3248 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
3249 * gimplify.c (gimple_boolify, gimplify_init_constructor,
3250 gimplify_boolean_expr): Likewise.
3251 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3252 * varasm.c (array_size_for_constructor): Likewise.
3253 * tree-object-size.c (compute_object_offset): Likewise.
3255 2006-04-02 Roger Sayle <roger@eyesopen.com>
3258 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
3259 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
3261 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3263 PR tree-optimization/26939
3264 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
3266 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3268 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
3269 at_stmt. Convert the type of operands before calling
3270 build_polynomial_chrec.
3271 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
3273 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
3274 (instantiate_parameters_1): Convert the type of operands before calling
3275 build_polynomial_chrec.
3276 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3277 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
3278 reset_evolution_in_loop): Insert asserts to check the types of the
3280 (chrec_type): Moved...
3281 (eq_evolutions_p): Use operand_equal_p.
3282 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
3283 the types of the operands.
3284 (chrec_type): ...here.
3285 * tree-data-ref.c (create_data_ref): Convert the operands before
3286 calling chrec_replace_initial_condition.
3287 (same_access_functions, analyze_subscript_affine_affine,
3288 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
3289 (compute_subscript_distance, analyze_ziv_subscript,
3290 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
3291 analyze_miv_subscript): Convert the operands before calling
3292 chrec_fold_minus or chrec_fold_plus.
3294 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3296 * tree-data-ref.c (compute_all_dependences): Use a pointer to
3297 the dependence_relations vector.
3298 (compute_data_dependences_for_loop): Adjust call to
3299 compute_all_dependences.
3301 2006-04-01 Roger Sayle <roger@eyesopen.com>
3302 Richard Henderson <rth@redhat.com>
3304 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
3305 gimple_boolify on the condition before calling gimplify_expr.
3307 2006-03-31 Bob Wilson <bob.wilson@acm.org>
3309 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
3310 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
3311 the frame size. Update to use the new macros.
3312 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
3313 * config/xtensa/ieee754-df.S: Likewise.
3315 2006-03-31 Richard Henderson <rth@redhat.com>
3317 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
3318 (make_edges): ... here. Control fallthru creation with a local
3319 variable. Do not play with fake edges.
3320 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
3321 (make_goto_expr_edges): Don't play with fake edges. Make for_call
3324 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
3326 * dwarf2.h (DW64_CIE_ID): Define.
3327 * dwarf2out.c (DWARF_CIE_ID): Define.
3328 (output_call_frame_info): Output 0xffffffff before standard 8-byte
3329 length header. Use DWARF_CIE_ID.
3330 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3331 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3333 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3335 * config/sh/linux-atomic.asm: New file.
3336 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3338 2006-03-31 DJ Delorie <dj@redhat.com>
3340 * config/m32c/cond.md: Set condition flags properly throughout.
3341 * config/m32c/minmax.md: Likewise.
3342 * config/m32c/prologue.md: Likewise.
3343 * config/m32c/bitops.md: Likewise.
3344 * config/m32c/muldiv.md: Likewise.
3345 * config/m32c/mov.md: Likewise.
3346 * config/m32c/addsub.md: Likewise.
3347 * config/m32c/m32c.md: Likewise.
3348 * config/m32c/jump.md: Likewise.
3349 * config/m32c/shift.md: Likewise.
3351 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
3352 conditionally output the pattern for this.
3353 * config/m32c/m32c.c (flags_needed_for_conditional): New.
3354 (m32c_compare_redundant): New.
3355 (m32c_output_compare): New.
3356 * config/m32c/m32c-protos.h (m32c_output_compare): New.
3358 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
3359 dest, not src. Allow other 4-byte modes.
3361 2006-03-30 Denis Chertykov <denisc@overta.ru>
3363 * doc/md.texi: Refer to avr/constraints.md instead of
3366 2006-03-30 Roger Sayle <roger@eyesopen.com>
3368 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
3369 signed vs. unsigned comparison failures on some hosts.
3371 2006-03-31 Alan Modra <amodra@bigpond.net.au>
3374 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
3375 change to FLOAT_REGS.
3377 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
3378 (rs6000_override_options): Use it.
3379 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
3380 only for -mabi=spe/no-spe and -mabi=altivec.
3382 2006-03-30 Geoffrey Keating <geoffk@apple.com>
3384 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
3387 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
3389 * Makefile.in: Rename docdir to gcc_docdir.
3391 2006-03-30 Roger Sayle <roger@eyesopen.com>
3394 * expr.c (emit_group_store): Optimize group stores into a pseudo
3395 register by using a paradoxical subreg to initialize the destination
3396 if the first or last member of the group specifies a "low part".
3398 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3401 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
3402 * target.h (struct gcc_target.speculate_insn): Change type of the
3403 second parameter to 'int'.
3404 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
3405 the second operand of the DEPS_LIST.
3406 (copy_DEPS_LIST_list): Update reference to the second operand of the
3408 * rtl.h (alloc_DEPS_LIST): Update signature.
3409 * sched-int.h (ds_t): Change typedef to 'int'.
3410 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3412 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3414 * haifa-sched.c (try_ready): Change condition to restore
3415 non-speculative pattern of the instruction.
3416 (process_insn_depend_be_in_spec): Code to keep probability of the
3417 speculative dependence non-decreasing.
3419 2006-03-30 Jie Zhang <jie.zhang@analog.com>
3421 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
3422 (single_move_for_movmem): ... this. Also change all uses.
3423 (bfin_expand_strmov): Renamed to...
3424 (bfin_expand_movmem): ... this. Also change all uses.
3425 * config/bfin/bfin.md (movstrsi): Renamed to...
3426 (movstrsi): ...this.
3428 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
3430 PR tree-optimization/26830
3432 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
3433 (copy_prop_visit_stmt): Remove write-only variable ann.
3434 (init_copy_prop): Check variable loop depth here. Do not simulate
3435 memory-tag and virtual operand PHIs except for store copy prop.
3437 2006-03-30 Richard Guenther <rguenther@suse.de>
3439 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3440 variants with double arguments.
3442 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3444 * genpreds.c (write_tm_constrs_h): Delete variable p.
3445 * genconditions.c (write_header): Add tm-constrs.h to included
3447 * genpeep.c (main): Add toplev.h to included headers.
3448 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3449 (build/genpeep.o): Add toplev.h dependency.
3450 * config/rs6000/constraints.md: Add "W" constraint.
3452 2006-03-29 Roger Sayle <roger@eyesopen.com>
3454 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3455 sizes by correctly testing whether the size fits a host integer.
3456 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3457 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3458 SImode range for the default sizetype and bitsizetype.
3460 2006-03-29 Roger Sayle <roger@eyesopen.com>
3462 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3463 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3464 quickly if the argument is already of the correct type.
3465 Call fold_build1 instead of build1. Tidy up blank lines.
3467 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3469 * genemit.c (main): Add tm-constrs.h to included headers.
3470 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3471 * genpeep.c (main): Add tm-constrs.h to included headers.
3472 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3473 (write_tm_constrs_h): this and write complete file.
3474 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3475 (write_insn_preds_c): Add tm-constrs.h to included headers.
3476 (gen_constrs): New variable.
3477 (parse_option): Parse "-c".
3478 (main): Invoke write_tm_constrs_h.
3479 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3480 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3481 (object_out_file): Add tm-constrs.h dependency.
3482 (insn-emit.o): Same.
3483 (insn-output.o): Same.
3484 (insn-peep.o): Same.
3485 (insn-preds.o): Same.
3486 (insn-recog.o): Same.
3487 (tm-constsr.h): New target.
3488 (s-constrs-h): New target.
3490 * config/rs6000/constraints.md: New file.
3491 * config/rs6000/rs6000.c: Include tm-constrs.h.
3492 (num_insn_constant_wide): Convert to satisfies_constraint.
3493 (rs6000_rtx_costs): Convert to satisfies_constraint.
3494 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3495 (CONST_OK_FOR_LETTER_P): Delete.
3496 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3497 (EXTRA_CONSTRAINT): Delete.
3498 (EXTRA_MEMORY_CONSTRAINT): Delete.
3499 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3500 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3501 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3502 satisfies_constraint.
3504 * config/i386/i386.c: Include tm-constrs.h.
3506 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3508 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3509 * tree-data-ref.c (find_data_references_in_loop,
3510 compute_data_dependences_for_loop): Use pointers to VEC.
3511 (analyze_all_data_dependences): Adjust calls.
3512 * tree-data-ref.h (find_data_references_in_loop,
3513 compute_data_dependences_for_loop): Adjust declarations.
3514 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3515 compute_data_dependences_for_loop.
3517 2006-03-29 Paul Brook <paul@codesourcery.com>
3519 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3522 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3524 PR tree-optimization/26859
3525 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3527 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3528 for the step after fold_convert.
3530 2006-03-29 Paul Brook <paul@codesourcery.com>
3532 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3533 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3535 2006-03-29 Paul Brook <paul@codesourcery.com>
3538 * targhooks.c (default_narrow_bitfield): New fuction.
3539 * targhooks.h (default_narrow_bitfield): add prototype.
3540 * target.h (gcc_target): Add narrow_volatile_bitfield.
3541 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3542 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3543 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3544 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3546 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3548 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3550 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3551 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3552 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3553 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3554 (s390_function_arg_float): Allow SDmode and DDmode values to be
3555 passed in floating point registers.
3556 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3557 check with SCALAR_FLOAT_MODE_P.
3558 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3560 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3562 PR tree-optimization/25985
3563 * tree-ssa-loop-niter.c (number_of_iterations_le,
3564 number_of_iterations_ne): Make comments more precise.
3565 (number_of_iterations_cond): Add only_exit argument. Use the
3566 fact that signed variables do not overflow only when only_exit
3568 (loop_only_exit_p): New.
3569 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3570 number_of_iterations_cond.
3572 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3574 PR tree-optimization/26643
3575 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3578 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3580 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3581 (divsi3_i4_int): Likewise.
3583 2006-03-28 Roger Sayle <roger@eyesopen.com>
3585 * expr.c (emit_group_store): Only create a new pseudo reg if the
3586 quantity it needs to hold isn't already a suitable pseudo.
3588 2006-03-28 Jeff Law <law@redhat.com>
3590 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3591 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3593 2006-03-28 Roger Sayle <roger@eyesopen.com>
3595 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3596 the equivalent ~X & Y, and the symmetry related transformations.
3597 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3598 ~X & Y, and symmetry related transforms.
3600 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3602 Revert my 2006-03-27 patches.
3604 2006-03-28 Roger Sayle <roger@eyesopen.com>
3606 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3607 ~(T1)X, when T1 and T2 are integer types of the same precision
3608 and (T2)X isn't an extension.
3610 2006-03-28 Jeff Law <law@redhat.com>
3612 PR tree-optimization/26796
3613 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3614 need EH edge cleanups rather than purging them immediately.
3615 (eliminate_degenerate_phis): Handle queued EH cleanups.
3617 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3619 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3622 2006-03-27 Roger Sayle <roger@eyesopen.com>
3625 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3626 cast BIT_NOT_EXPR operand to the correct type.
3628 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3630 * tree-loop-linear.c: Don't include varray.h.
3631 (gather_interchange_stats, try_interchange_loops,
3632 linear_transform_loops): Use VEC instead of VARRAY.
3633 * lambda-mat.c: Don't include varray.h.
3634 * tree-chrec.c: Same.
3635 * lambda-trans.c: Same.
3636 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3637 VEC instead of VARRAY.
3638 * tree-vectorizer.h: Idem.
3639 * tree-data-ref.c (dump_data_references,
3640 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3641 initialize_data_dependence_relation, finalize_ddr_dependent,
3642 compute_all_dependences, find_data_references_in_loop,
3643 compute_data_dependences_for_loop, analyze_all_data_dependences,
3644 free_dependence_relation, free_dependence_relations,
3645 free_data_refs): Idem.
3646 * tree-data-ref.h (data_reference_p, subscript_p): New.
3647 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3648 VEC instead of VARRAY.
3649 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3650 (find_data_references_in_loop, compute_data_dependences_for_loop,
3651 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3652 dump_data_dependence_relations, free_dependence_relations,
3653 free_data_refs): Adjust declaration.
3654 (lambda_transform_legal_p): Move declaration here...
3655 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3656 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3657 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3658 vect_analyze_data_refs): Use VEC instead of VARRAY.
3659 * lambda.h (lambda_transform_legal_p): ...from here.
3660 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3661 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3662 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3663 tree-chrec.o): Don't depend on VARRAY_H.
3665 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3667 * rtl.def (Copyright): Update date.
3668 (DEPS_LIST): Change type of the second operand to 'int'.
3669 * target.h (Copyright): Update date.
3670 (struct gcc_target.speculate_insn): Change type of the second parameter
3672 * lists.c (Copyright): Update date.
3673 (alloc_DEPS_LIST): Change signature. Update reference to the second
3674 operand of the DEPS_LIST.
3675 (copy_DEPS_LIST_list): Update reference to the second operand of the
3677 * rtl.h (Copyright): Update date.
3678 (alloc_DEPS_LIST): Update signature.
3679 * sched-int.h (Copyright): Update date.
3680 (ds_t): Change typedef to 'int'.
3681 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3683 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3685 * haifa-sched.c (Copyright): Update date.
3686 (try_ready): Change condition to restore non-speculative pattern
3688 (process_insn_depend_be_in_spec): Code to keep probability of the
3689 speculative dependence non-decreasing.
3691 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3693 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3694 shut up the compiler.
3696 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3698 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3699 to use lib prefix for target.
3700 ($(T)libic_invalidate_array_4-200.a): Likewise.
3701 ($(T)libic_invalidate_array_4a.a): Likewise.
3703 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3704 J"orn Rennecke <joern.rennecke@st.com>
3706 * superh.opt: New file.
3707 * sh.c (boardtype, osruntime): Remove.
3708 * superh.h (SUBTARGET_OPTIONS): Remove.
3709 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3711 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3712 arguments with ^ and/or [].
3714 * config.gcc (sh-*-*): Add quoting to account for quirk of
3716 Replace == with = in enable_incomplete_targets test.
3718 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3719 with MASK_LITTLE_ENDIAN.
3721 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3722 * config/sh/sh.opt: Added to some comments.
3723 * config/sh/superh.h: Removed some chaff.
3725 * config/sh/sh.opt: Add m4-[1234]00* options.
3726 * config/sh/sh.c (sh_handle_option): Likewise.
3727 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3728 (ic_invalidate_array_4-100.o): New rule.
3729 ($(T)libic_invalidate_array_4-100.a): Likewise.
3730 (ic_invalidate_array_4-200.o): Likewise.
3731 ($(T)libic_invalidate_array_4-200.a): Likewise.
3732 (ic_invalidate_array_4a.o): Likewise.
3733 ($(T)libic_invalidate_array_4a.a): Likewise.
3734 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3735 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3737 * config/sh/crt1.asm: Merged in profiling code.
3738 * config/sh/superh.h (STARTFILE_SPEC): Override.
3739 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3740 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3741 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3743 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3744 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3745 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3747 * sh.opt (mpretend-cmove): New option.
3748 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3749 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3750 (movsicc): Add TARGET_PRETEND_CMOVE code.
3752 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3754 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3755 s390_class_max_nregs): New function prototypes.
3756 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3757 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3758 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3759 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3761 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3763 * dwarf2out.c (add_location_or_const_value_attribute): Call
3764 tree_add_const_value_attribute if nothing else works.
3765 (reference_to_unused): New.
3766 (rtl_for_decl_init): Use reference_to_unused to decide whether
3767 to output an initializer.
3769 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3772 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3773 peephole removing spe frob_di_df_2.
3775 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3777 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3778 (subscript_dependence_tester_1): Declared.
3779 (print_dir_vectors, print_dist_vectors): New.
3780 (debug_data_dependence_relation): New.
3781 (dump_data_dependence_relation): Print more details.
3782 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3783 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3784 (save_dist_v, save_dir_v, add_outer_distances,
3785 build_classic_dist_vector_1): New.
3786 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3787 Don't test for lambda_vector_lexico_pos.
3788 (same_access_functions, add_multivariate_self_dist,
3789 add_other_self_distances, dir_from_dist): New.
3790 (build_classic_dir_vector): Replace implementation almost identical to
3791 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3793 (subscript_dependence_tester_1): New.
3794 (subscript_dependence_tester): Handle the lexicographically negative
3795 distance vectors by recomputing the dependence relation.
3796 (compute_affine_dependence): Remove parameter loop_nest_depth.
3797 (compute_self_dependence): Don't call compute_subscript_distance.
3798 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3799 Add a parameter for the loop_nest.
3800 (find_loop_nest_1, find_loop_nest): New.
3801 (compute_data_dependences_for_loop): Compute the loop nest, and give
3802 up if the nest is not well formed.
3803 * tree-data-ref.h (loop_p): New.
3804 (struct data_dependence_relation): Replace size_vect field with
3805 loop_nest, a vec of loops.
3806 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3807 (DDR_LOOP_NEST): New.
3808 (print_dir_vectors, print_dist_vectors,
3809 debug_data_dependence_relation): Declared.
3810 (index_in_loop_nest): New.
3811 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3812 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3815 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3817 * simplify-rtx.c (simplify_relational_operation): Call
3818 simplify_relational_operation_1 even if mode is VOIDmode.
3820 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3822 PR tree-optimization/26804
3823 * tree.h (DECL_CALL_CLOBBERED): New macro.
3824 (tree_decl_common): Add call_clobbered_flag.
3825 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3826 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3827 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3828 (mark_non_addressable): Ditto.
3829 * tree-ssa.c (verify_call_clobbered): New function.
3830 (verify_alias_info): Use it.
3831 * tree-pass.h (pass_reset_cc_flags): New prototype.
3832 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3833 (reset_cc_flags): New function.
3834 * passes.c (init_optimization_passes): Call reset_cc_flags after
3835 initializing referenced_vars.
3837 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3838 Roger Sayle <roger@eyesopen.com>
3841 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3842 to 1.0 for non-real operands. Implement A / A optimization for
3845 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3847 * config/i386/i386.c (size_cost): Correct the comment for
3848 cost of storing fp registers.
3849 (i386_cost): Likewise.
3850 (i486_cost): Likewise.
3851 (pentium_cost): Likewise.
3852 (pentiumpro_cost): Likewise.
3853 (k6_cost): Likewise.
3854 (athlon_cost): Likewise.
3855 (k8_cost): Likewise.
3856 (pentium4_cost): Likewise.
3857 (nocona_cost): Likewise.
3858 (generic64_cost): Likewise.
3859 (generic32_cost): Likewise.
3861 2006-03-24 Denis Chertykov <denisc@overta.ru>
3863 * config/avr/avr-protos.h (extra_constraint): Delete.
3864 (extra_constraint_Q): New declaration.
3865 * config/avr/constraints.md: New file.
3866 * config/avr/avr.md: Include it.
3867 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3868 (TMP_REGNO, ZERO_REGNO): Likewise.
3869 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3870 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3871 (extra_constraint): Delete.
3872 (extra_constraint_Q): Test for memory constraint 'Q'.
3873 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3874 (REG_CLASS_FROM_LETTER): Delete.
3875 (CONST_OK_FOR_LETTER_P): Delete.
3876 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3877 (EXTRA_CONSTRAINT): Delete.
3878 (TMP_REGNO): Delete.
3879 (ZERO_REGNO): Delete.
3881 2006-03-24 Jeff Law <law@redhat.com>
3883 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3884 directly. Call mark_new_vars_to_rename slightly earlier.
3886 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3888 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3890 (gen_compile_unit_die): Use new language types for Objective-C and
3892 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3893 DW_LANG_C_plus_plus.
3896 * config/t-darwin (crt3.o): Work around bug 26840.
3897 * config/darwin-crt3.c: Rewrite.
3898 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3900 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3902 * doc/invoke.texi: Document -femit-class-debug-always
3903 * common.opt: Add -femit-class-debug-always.
3905 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3907 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3908 index and base register.
3909 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3910 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3911 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3912 REGNO_OK_FOR_INDEX_P.
3913 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3915 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3916 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3917 REG_OK_FOR_BASE_P): Definitions removed.
3919 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3922 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3923 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3924 set yet or weren't marked as local yet.
3926 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3928 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3931 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3933 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3934 (rs6000_legitimate_small_data_p): Delete.
3935 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3936 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3937 and make static. Add forward declaration. Update uses.
3938 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3939 of offsettable_memref_p.
3940 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3941 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3943 2006-03-24 Jeff Law <law@redhat.com>
3945 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3946 around bug in immediate-use iterator.
3948 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3951 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3952 or __LITTLE_ENDIAN__.
3954 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3956 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3957 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3958 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3959 * config/sh/sh.opt (mdiv=): Amend description.
3960 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3961 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3962 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3963 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3964 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3965 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3966 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3967 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3968 TARGET_DIVIDE_CALL_FP.
3970 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3972 * haifa-sched.c (choose_ready): Fix type of the local variable.
3973 Move local variables. Add comment.
3974 (check_reg_live): Change signature. Make callable from debugger.
3975 * sched-int.h (check_reg_live): Update signature.
3976 * sched-ebb.c (check_reg_live): Update parameters.
3977 * sched-rgn.c (check_reg_live): Ditto.
3978 (region_head_or_leaf_p): Check pointer before dereferencing.
3979 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3980 before reload on optimization levels below 1.
3982 2006-03-23 Richard Henderson <rth@redhat.com>
3984 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3988 * config/alpha/predicates.md (local_symbolic_operand): Reject
3991 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3994 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3995 expressions which have overflowed constants.
3997 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3999 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4001 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4003 * cfgloopmanip.c (create_loop_notes): Removed.
4004 * final.c (final_scan_insn): Do not handle loop notes.
4005 * jump.c (squeeze_notes): Ditto.
4006 * cfglayout.c (skip_insns_after_block,
4007 duplicate_insn_chain): Ditto.
4008 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4010 * cfgloop.h (create_loop_notes): Declaration removed.
4012 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4014 * varasm.c (output_constant_pool): Restore fnname and fndecl
4016 (assemble_start_function): Adjust call accordingly.
4017 (assemble_end_function): Likewise.
4019 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4022 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4025 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4027 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4030 * system.h (ICE_EXIT_CODE): New macro.
4031 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4032 (diagnostic_action_after_output): Likewise.
4033 * gcc.c (fatal_ice): New function.
4034 (execute): Use it instead of fatal.
4035 (fancy_abort): Likewise.
4036 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4038 2006-03-22 Jeff Law <law@redhat.com>
4040 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4041 iv_analyze_result returning false.
4043 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4045 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4047 2006-03-22 Richard Henderson <rth@redhat.com>
4050 * except.c (duplicate_eh_regions_0): New.
4051 (duplicate_eh_region_1): Duplicate the children of the node as
4052 well as the node itself. Link them up properly.
4053 (duplicate_eh_region_2): Merge into ...
4054 (duplicate_eh_regions): ... here. Take copy_region argument, and
4055 copy only a sub-tree if asked. Simplify copying and fixup.
4056 (eh_region_outer_p): New.
4057 * except.h (duplicate_eh_regions): Update decl.
4058 (eh_region_outer_p): Declare.
4059 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4060 (lower_omp_master): Likewise.
4061 (lower_omp_ordered): Likewise.
4062 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4063 (move_stmt_r): Use it to remap labels. Handle recursion vs
4064 remap_decls_p properly.
4065 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4066 (find_outermost_region_in_block): New.
4067 (new_label_mapper): New.
4068 (move_sese_region_to_fn): Copy eh information to the new function
4070 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4072 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4075 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4077 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4078 into shared libraries.
4080 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4082 * doc/md.texi: Refer to i386/constraints.md instead of
4084 * config/i386/constraints.md: New file, extracted from...
4085 * config/i386/predicates.md: ...here.
4086 * config/i386/i386.md: Include constraints.md.
4088 2006-03-21 Jason Merrill <jason@redhat.com>
4090 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4093 * expr.c (init_block_move_fn): Force default visibility.
4094 (init_block_clear_fn): Likewise.
4095 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4096 * targhooks.c (default_external_stack_protect_fail): Likewise.
4098 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4100 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4101 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4102 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4103 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4104 (loadgp): Use mips_current_loadgp_style.
4105 (loadgp_noshared): New pattern.
4106 (sibcall_internal): Use MIPS_CALL.
4107 (sibcall_value_internal): Likewise.
4108 (sibcall_value_multiple_internal): Likewise.
4109 (call_internal): Likewise.
4110 (call_value_internal): Likewise.
4111 (call_value_multiple_internal): Likewise.
4112 (call_split): Use MIPS_CALL and add an 'S' constraint.
4113 (call_value_split): Likewise.
4114 (call_value_multiple_split): Likewise.
4115 * config/mips/mips.opt (-mabicalls): Tweak docstring.
4116 (-mshared): New option.
4117 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
4118 (mips_current_loadgp_style): Declare.
4119 * config/mips/mips.c (mips_classify_symbol): Avoid using
4120 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
4121 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
4122 TARGET_ABSOLUTE_ABICALLS.
4123 (override_options): Adjust comments. Improve the warning that is
4124 issued when -mabicalls and -G are used together.
4125 (mips_file_start): Remove comment.
4126 (mips_current_loadgp_style): New function.
4127 (mips_gnu_local_gp): New variable.
4128 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
4130 (mips_output_function_prologue): Use mips_current_laodgp_style.
4131 (mips_expand_prologue): Call mips_emit_loadgp before emitting
4132 the cprestore instruction.
4133 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
4134 live for TARGET_ABSOLUTE_ABICALLS.
4135 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
4136 (ASM_SPEC): Pass down -mshared and -mno-shared.
4137 (MIPS_CALL): New macro.
4138 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
4140 * doc/invoke.texi (-mabicalls): Update documentation.
4141 (-mshared): Document.
4143 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4145 * config/ia64/unwind-hpux.c: New file.
4146 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
4148 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4151 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
4153 2006-03-21 Jeff Law <law@redhat.com>
4155 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4156 type conversions of a VR_VARYING source to a wider type.
4158 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4160 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
4161 tm_file on Solaris 10 and later.
4162 (sparc64-*-solaris2*): Likewise.
4163 (sparc-*-solaris2*): Likewise.
4164 * config/sol26.h: Rename to config/sol2-6.h.
4165 * config/sol2-10.h: New file.
4167 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
4170 * tree-ssa-pre.c (create_component_ref_by_pieces):
4173 2006-03-21 Jakub Jelinek <jakub@redhat.com>
4176 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
4177 return it immediately.
4179 2006-03-21 Michael Matz <matz@suse.de>
4181 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
4183 (remove_arc, add_arc): Update num_out_arcs member.
4184 (set_out_arc_insns_equiv_num): Returns nothing instead of number
4186 (cache_presence): New function.
4187 (compare_states_for_equiv): New function.
4188 (state_is_differed): Don't take number of outargs, adjust callers.
4189 Use new invariant for speeding up.
4190 (init_equiv_class): Create initial classes based on sorted
4192 (partition_equiv_class): Don't track out_arcs_num.
4193 (evaluate_equiv_classes): Call cache_presence on all states and
4196 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
4198 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
4199 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
4200 (bfin_valid_reg_p): Test for pseudos explicitly and use only
4201 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
4203 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
4204 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
4205 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
4206 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
4207 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
4209 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
4210 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
4211 (REGNO_REG_CLASS): ARGP is in PREGS.
4212 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
4214 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
4215 to deal with those addresses.
4216 * addresses.h: New file.
4217 * caller-save.c: Include "addresses.h".
4218 (init_caller_save): Use new base_reg_class function.
4219 * rtl-factoring.c: Include "addresses.h".
4220 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
4221 * recog.c: Include "addresses.h".
4222 (preprocess_constraints): Use new base_reg_class function.
4223 * regrename.c: Include "addresses.h".
4224 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
4225 functions. Keep track of a new var INDEX_CODE to compute valid
4227 (replace_oldest_value_addr): Likewise.
4228 (replace_oldest_value_mem): Use base_reg_class.
4229 * reload.c: Include "addresses.h".
4230 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
4231 (find_reloads): Use new base_reg_class function.
4232 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
4233 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
4234 all callers and prototype changed.
4235 * reload1.c: Include "addresses.h".
4236 (maybe_fix_stack_asms): Use base_reg_class.
4237 * regclass.c: Include "addresses.h".
4238 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
4239 (init_reg_autoinc): Use new base_reg_class function.
4240 (record_reg_classes): Likewise.
4241 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
4242 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
4243 Use new args to compute necessary class.
4245 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
4246 regrename.o, rtl-factoring.o): Update dependencies.
4247 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
4248 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
4249 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
4250 REG_OK_FOR_INDEX_P): Delete documentation.
4252 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
4254 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
4255 from V7 to V9 for Solaris 7 and above.
4257 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
4259 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
4260 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
4261 argument pointers may not alias any other storage.
4262 * common.opt: Define option -fargument-noalias-anything.
4263 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
4264 alias semantics is specified by flag_argument_noalias > 2.
4266 2006-03-20 Jeff Law <law@redhat.com>
4268 * tree-pass.h (pass_phi_only_copy_prop): Delete.
4269 (pass_phi_only_cprop): Declare.
4270 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
4272 * tree-ssa-dom.c (degenerate_phi_result): New function.
4273 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
4274 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
4275 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
4276 (eliminate_degenerate_phis): Likewise.
4277 (pass_phi_only_cprop): New pass descriptor.
4278 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
4279 support code. Callers updated.
4280 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
4281 (store_copy_prop): Likewise.
4282 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
4284 2006-03-20 Jason Merrill <jason@redhat.com>
4287 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
4288 (push_visibility, pop_visibility): Likewise.
4289 * c-pragma.h: Declare them.
4291 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
4293 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
4295 * config/sh/sh.c (find_regmode_weight): Change the type of the first
4296 parameter and use get_ebb_head_tail.
4297 (sh_md_init_global): Adjust uses of find_regmode_weight.
4299 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
4301 * function.h (struct function) <x_tail_recursion_reentry>:
4302 Rename to x_stack_check_probe_note.
4303 (tail_recursion_reentry): Rename to stack_check_probe_note.
4304 * function.c: Replace tail_recursion_reentry with
4305 stack_check_probe_note everywhere.
4306 (expand_function_start): Only emit a note for
4307 stack_check_probe_note with -fstack-protect.
4308 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
4310 * emit-rtl.c (remove_unnecessary_notes): Remove.
4311 (pass_remove_unnecessary_notes): Remove.
4312 * rtl.h (remove_unnecessary_notes): Remove prototype.
4313 * final.c (final_start_function): Don't call remove_unnecessary_notes.
4314 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
4315 * passes.c (pass_remove_unnecessary_notes): Don't run it.
4317 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
4320 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
4321 (valid_in_set): Handle ARRAY_REF.
4322 Change "if min_variant or VH" to asserts.
4323 (create_component_ref_by_pieces): Handle ARRAY_REF.
4324 (create_expression_by_pieces): Likewise.
4325 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
4327 2006-03-20 David Edelsohn <edelsohn@gnu.org>
4329 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4330 is operand of switch, not str[0].
4332 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4334 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4335 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4337 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4339 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4340 end of insn_extra_address_constraint declaration.
4342 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4344 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4345 (no-sum-in-toc): Same.
4346 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4348 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4349 NO_FP_IN_TOC for -fPIC instead of mask.
4351 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
4352 (BOOT_LDFLAGS): Delete.
4354 * config/rs6000/t-aix52: Same.
4356 * config/rs6000/rs6000.md (store_multiple_power): Delete.
4357 (stmsi[345678]_power): New.
4359 2006-03-17 Steve Ellcey <sje@cup.hp.com>
4361 * config/ia64/ia64.opt: Add empty line to end of file.
4363 2006-03-17 Richard Guenther <rguenther@suse.de>
4366 * builtins.c (get_pointer_alignment): For component style references
4367 adjust alignment to the component type alignment. Make sure
4368 to adjust alignment for component access of constants.
4370 2006-03-17 David Edelsohn <edelsohn@gnu.org>
4372 * config/rs6000/rs6000.md (strlensi): Emit barrier after
4375 2006-03-17 Paul Brook <paul@codesourcery.com>
4377 * doc/install.texi: Docuemnt --with-mode.
4378 * config.gcc: Add --with-mode for arm*-*-*.
4379 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
4381 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
4383 * sh.c (max_labelno_before_reorg): New variable.
4384 (sh_reorg): Initialize it.
4385 (find_barrier): Check max_labelno_before_reorg before using
4386 label_to_alignment. Take length of explicit alignment insns
4387 into account. When seeing a UNSPECV_CONST_END, return it.
4389 * sh.c (fixup_mova): Set mode of affected label to QImode.
4390 (untangle_mova): New function.
4391 (find_barrier): Use it. Check mode of label before decrementing
4393 (sh_reorg): Likewise.
4394 Set mode of all insns back to VOIDmode.
4396 * sh.c (MOVA_LABELREF): New macro.
4397 (mova_p, fixup_mova, sh_reorg): Use it.
4398 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
4399 ADDR_DIFF_VEC matches mova.
4401 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
4403 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
4404 with ATTRIBUTE_UNUSED.
4406 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4408 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4409 pointer, instead of assuming it is possible to derive the
4410 correct args size from a call insn.
4412 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4414 * rtl.h (CONST_INT_P): Define.
4415 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
4416 instead of GET_CODE(x) == CONST_INT.
4417 (vax_rtx_costs): Likewise.
4418 (vax_output_int_move): Likewise.
4419 (vax_output_int_add): Likewise.
4420 (legitimate_constant_address_p): Likewise.
4421 (index_term_p): Likewise.
4422 * config/vax/vax.h (PRINT_OPERAND): Likewise.
4423 * config/vax/vax.md (and<mode>3): Likewise.
4424 (ashrsi3): Likewise.
4426 (movstricthi): Likewise.
4427 (movstrictqi): Likewise.
4428 (rotrsi3): Likewise.
4429 (five unnamed insns): Likewise.
4431 2006-03-16 Geoffrey Keating <geoffk@apple.com>
4433 * doc/tm.texi (SDB and DWARF): Add extra parameter to
4434 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
4435 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
4436 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
4437 Pass to ASM_OUTPUT_DWARF_OFFSET.
4438 * dwarf2out.c (debug_frame_section): New.
4439 (output_call_frame_info): Use debug_frame_section. Pass it to
4440 dw2_asm_output_offset.
4441 (output_die): Pass appropriate section to dw2_asm_output_offset.
4442 (output_compilation_unit_header): Likewise.
4443 (output_pubnames): Likewise.
4444 (output_aranges): Likewise.
4445 (enum dw_val_class): Break dw_val_class_lbl_offset into
4446 dw_val_class_lineptr and dw_val_class_macptr.
4447 (add_AT_lbl_offset): Delete.
4448 (add_AT_lineptr): New.
4449 (add_AT_macptr): New.
4450 (AT_lbl): Expect a lineptr or macptr.
4451 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4452 (attr_checksum): Likewise.
4453 (same_dw_val_p): Likewise.
4454 (size_of_die): Likewise.
4455 (value_format): Likewise.
4456 (output_die): Likewise.
4457 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4459 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4460 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4461 * config/darwin-protos.h (darwin_file_start): New.
4462 (darwin_asm_output_dwarf_offset): New.
4463 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4464 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4466 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4467 if not EH section; simplify.
4468 (darwin_file_start): New.
4469 (darwin_asm_output_dwarf_offset): New.
4470 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4472 (DEBUG_INFO_SECTION): Likewise.
4473 (DEBUG_ABBREV_SECTION): Likewise.
4474 (DEBUG_ARANGES_SECTION): Likewise.
4475 (DEBUG_MACINFO_SECTION): Likewise.
4476 (DEBUG_LINE_SECTION): Likewise.
4477 (DEBUG_LOC_SECTION): Likewise.
4478 (DEBUG_PUBNAMES_SECTION): Likewise.
4479 (DEBUG_STR_SECTION): Likewise.
4480 (DEBUG_RANGES_SECTION): Likewise.
4481 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4482 (ASM_OUTPUT_DWARF_OFFSET): New.
4484 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
4486 * config.gcc (tm_defines): Always add to previous value rather
4489 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4491 * config/mips/predicates.md (splittable_const_int_operand): New,
4492 split from move_operand.
4493 (splittable_symbolic_operand): New.
4494 (move_operand): Add commentary. Use splittable_const_int_operand.
4495 Inline mips_atomic_symbolic_constant_p.
4496 * config/mips/mips.md: Add combine splitters for handling moves
4497 of splittable_const_int_operands and splittable_symbolic_operands.
4498 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4499 (mips_split_symbol): Declare.
4500 (mips_move_integer): Declare.
4501 * config/mips/mips.c (mips_split_p): Make global.
4502 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4503 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4504 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4505 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4506 (mips_offset_within_object_p): Handle block symbols.
4507 (mips_atomic_symbolic_constant_p): Delete.
4508 (mips_cannot_force_const_mem): Return false for constants that
4509 mips_legitimize_move can handle.
4510 (mips_use_blocks_for_constant_p): New function.
4511 (mips_split_symbol): Make global.
4512 (mips_move_integer): Likewise. Add a temporary register argument.
4513 (mips_legitimize_const_move): Use splittable_const_int_operand and
4514 splittable_symbolic_operand.
4515 (mips_use_anchors_for_symbol_p): New function.
4516 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4517 (mips_split_p): Declare.
4519 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4521 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4522 (mips*-*-linux*): Likewise.
4524 2006-03-16 Roger Sayle <roger@eyesopen.com>
4525 Daniel Speyer <dspeyer@wam.umd.edu>
4528 * tree-dump.c (dump_real): New function.
4529 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4530 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4531 (tree-dump.o): Add $(REAL_H) to the dependencies.
4533 2006-03-16 Roger Sayle <roger@eyesopen.com>
4536 * real.c (real_from_string): If the mantissa is zero, don't bother
4537 parsing the exponent as the result should always be zero.
4539 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4541 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4543 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4545 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4546 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4547 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4548 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4549 ia64_sched_finish_global): New static functions to implement
4550 hooks from gcc_target.sched.
4551 (spec_check_no, max_uid, pending_data_specs): New static variables.
4552 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4553 ia64_spec_check_src_p): New static functions.
4554 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4555 (TARGET_SCHED_ADJUST_COST): Removed.
4556 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4557 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4558 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4559 TARGET_SCHED_GEN_CHECK,
4560 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4561 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4562 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4563 Fixed to handle speculation checks.
4564 (rtx_needs_barrier): Fixed to handle speculative loads and
4566 (ia64_variable_issue): Added code to count speculative loads and their
4568 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4570 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4572 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4574 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4575 (ia64_reorg): Reset stops_p to NULL after it is freed.
4576 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4577 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4578 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4580 (data_speculative, control_speculative, check_load): New attributes.
4581 (mov<mode>_advanced, mov<mode>_speculative,
4582 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4583 zero_extend<mode>di2_speculative,
4584 zero_extend<mode>di2_speculative_advanced): New patterns for
4585 data and control speculative loads.
4586 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4588 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4589 New pattern for data and control speculation checks.
4590 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4591 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4592 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4593 Auxiliary definitions for the patterns.
4594 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4595 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4597 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4599 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4600 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4601 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4602 New resource constraints.
4603 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4605 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4606 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4607 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4608 msched-in-control-spec, msched-ldc, msched-control-ldc,
4609 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4610 msched-prefer-non-control-spec-insns,
4611 msched-count-spec-in-critical-path): New flags to tune speculative
4613 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4614 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4615 msched-in-control-spec, msched-ldc, msched-control-ldc,
4616 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4617 msched-prefer-non-control-spec-insns,
4618 msched-count-spec-in-critical-path): Document new flags.
4620 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4622 * target.h (struct spec_info_def): New opaque declaration.
4623 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4624 speculate_insn, needs_block_p, gen_check,
4625 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4626 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4627 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4628 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4629 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4630 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4632 (TARGET_SCHED): Use new macros.
4633 * rtl.h (copy_DEPS_LIST_list): New prototype.
4634 * sched-int.h (struct sched_info): Change signature of new_ready field,
4635 adjust all initializations. New fields: add_remove_insn,
4636 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4637 region_head_or_leaf_p.
4638 (struct spec_info_def): New structure declaration.
4639 (spec_info_t): New typedef.
4640 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4641 recovery_block, orig_pat.
4642 (glat_start, glat_end): New variables declaraions.
4643 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4645 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4646 DETACH_LIFE_INFO, USE_GLAT.
4647 (enum SPEC_SCHED_FLAGS): New enumeration.
4648 (NOTE_NOTE_BB_P): New macro.
4649 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4650 attach_life_info, debug_spec_status, check_reg_live): New functions.
4651 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4652 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4654 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4655 * ddg.c (get_block_head_tail): Adjust all uses.
4656 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4657 (sms_sched_info): Initialize new fields.
4658 (contributes_to_priority): Removed.
4659 * haifa-sched.c (params.h): New include.
4660 (get_block_head_tail): Adjust all uses.
4661 (ISSUE_POINTS): New macro.
4662 (glat_start, glat_end): New global variables.
4663 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4664 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4665 old_last_basic_block, before_recovery, current_sched_info_var,
4666 rgn_n_insns, luid): New static variables.
4667 (insn_cost1): New function. Move logic from insn_cost to here.
4668 (find_insn_reg_weight1): New function. Move logic from
4669 find_insn_reg_weight to here.
4670 (reemit_notes, move_insn, max_issue): Change signature.
4671 (move_insn1): Removed.
4672 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4673 extend_bb): New static functions to support extension of scheduler's
4675 (generate_recovery_code, process_insn_depend_be_in_spec,
4676 begin_speculative_block, add_to_speculative_block,
4677 init_before_recovery, create_recovery_block, create_check_block_twin,
4678 fix_recovery_deps): New static functions to support
4679 generation of recovery code.
4680 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4681 restore_bb_notes, move_block_after_check, move_succs): New static
4682 functions to support ebb scheduling.
4683 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4684 functions to support handling of register live information.
4685 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4686 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4687 add_jump_dependencies): New static functions.
4688 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4689 consistancy checking.
4690 (debug_spec_status): New function to call from debugger.
4691 (priority): Added code to handle speculation checks.
4692 (rank_for_schedule): Added code to distinguish speculative instructions.
4693 (schedule_insn): Added code to handle speculation checks.
4694 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4695 Fixed to handle ebbs.
4696 (move_insn): Added code to handle ebb scheduling.
4697 (max_issue): Added code to use ISSUE_POINTS of instructions.
4698 (choose_ready): Added code to choose between speculative and
4699 non-speculative instructions.
4700 (schedule_block): Added code to handle ebb scheduling and scheduling of
4701 speculative instructions.
4702 (sched_init): Initialize new variables.
4703 (sched_finish): Free new variables. Print statistics.
4704 (try_ready): Added code to handle speculative instructions.
4705 * lists.c (copy_DEPS_LIST_list): New function.
4706 * sched-deps.c (extend_dependency_caches): New function. Move logic
4707 from create_dependency_caches to here.
4708 (get_dep_weak, ds_merge): Make global.
4709 * genattr.c (main): Code to output prototype for
4710 dfa_clear_single_insn_cache.
4711 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4712 (output_dfa_clean_insn_cache_func): Code to output
4713 dfa_clear_single_insn_cache function.
4714 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4716 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4718 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4719 New static variables.
4720 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4721 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4723 (ebb_sched_info): Initialize new fields.
4724 (get_block_head_tail): Adjust all uses.
4725 (compute_jump_reg_dependencies): Fixed to use glat_start.
4726 (schedule_ebb): Code to remove unreachable last block.
4727 (schedule_ebbs): Added code to update register live information.
4728 * sched-rgn.c (region_sched_info): Initialize new fields.
4729 (get_block_head_tail): Adjust all uses.
4730 (last_was_jump): Removed. Adjust users.
4731 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4732 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4733 Implement new hooks.
4734 (check_dead_notes1): New static function.
4735 (struct region): New fields: dont_calc_deps, has_real_ebb.
4736 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4737 (BB_TO_BLOCK): Fixed to handle EBBs.
4738 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4739 (ebb_head): New static variable.
4740 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4741 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4743 (compute_dom_prob_ps): New assertion.
4744 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4745 global_live_at_start.
4746 (init_ready_list): New assertions.
4747 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4748 (new_ready): Add support for BEGIN_CONTROL speculation.
4749 (schedule_insns): Fixed code that updates register live information
4751 (schedule_region): Fixed to handle EBBs.
4752 (init_regions): Use extend_regions and check_dead_notes1.
4753 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4754 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4755 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4756 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4757 TARGET_SCHED_GEN_CHECK,
4758 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4759 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4760 * doc/invoke.texi (max-sched-insn-conflict-delay,
4761 sched-spec-prob-cutoff): Document.
4763 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4765 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4766 inter_tick, queue_index.
4767 (struct sched_info): Change signature of init_ready_list field.
4768 Adjust all initializations.
4769 (RESOLVED_DEPS): New access macro.
4770 (ready_add): Remove prototype.
4771 (try_ready): Add prototype.
4772 * sched-rgn.c (init_ready_list): Use try_ready.
4773 (schedule_region): Initialize
4774 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4775 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4776 (init_ready_list): Use try_ready.
4777 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4778 * lists.c (remove_list_elem): Remove `static'.
4779 (remove_free_INSN_LIST_elem): New function.
4780 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4781 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4782 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4784 (readyp): New variable.
4785 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4786 change_queue_index, resolve_dep): New static functions.
4787 (try_ready): New function. Adjust callers in sched-rgn.c and
4788 sched-ebb.c to use it instead of ready_add.
4789 (clock_var): Move at the begining of file.
4790 (rank_for_schedule): Fix typo.
4791 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4792 (ready_lastpos): Enforce assertion.
4793 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4795 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4796 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4797 (queue_to_ready): Use free_INSN_LIST_list.
4798 (early_queue_to_ready): Fix typo.
4799 (schedule_block): Init readyp. Move init_ready_list call after the
4800 initialization of clock_var. Fix error in rejecting insn by
4801 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4802 that previously corrected INSN_TICKs. Add code for handling
4804 (set_priorities): Fix typo.
4805 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4806 Clarify comment and code that keeps current_sched_info->next_tail
4809 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4811 * sched-rgn.c (extend_rgns): New static function.
4812 (find_rgns): Use it.
4813 (gather_region_statistics, print_region_statistics): New static
4815 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4816 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4818 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4819 Andrey Belevantsev <abel@ispras.ru>
4821 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4822 * lists.c (unused_deps_list): New variable.
4823 (free_list): Add assertions to verify the proper distinguishing
4824 between INSN_LISTs and DEPS_LISTs.
4825 (find_list_elem, remove_list_elem, remove_list_node): New static
4827 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4828 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4829 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4830 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4832 (free_INSN_LIST_node): Likewise.
4833 * modulo-sched.c (current_sched_info): Initialize flags field.
4834 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4835 * rtl.def (DEPS_LIST): Define.
4836 * rtl.h: Declare new functions from lists.c.
4837 * sched-deps.c (spec_dependency_cache): New static variable.
4838 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4839 (add_dependence): Change return type to void. Move the logic to ...
4840 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4841 (delete_all_dependences): Add comment about forward_dependency_cache.
4842 Handle spec_dependency_cache. Handle DEPS_LISTs.
4843 (fixup_sched_groups): Clarify the change of priority of output
4844 and anti dependencies.
4845 (sched_analyze_2): Adjust add_dependence calls to create data
4846 speculative dependence.
4847 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4848 Adjust all callers. Handle DEPS_LISTS.
4849 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4850 presence of speculation.
4851 (init_dependency_caches, free_dependency_caches):
4852 Handle spec_dependency_cache.
4853 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4854 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4855 New static functions.
4856 (add_or_update_back_dep, add_or_update_back_forw_dep,
4857 add_back_forw_dep, delete_back_forw_dep): New functions.
4858 * sched-int.h (ds_t, dw_t): New typedefs.
4859 (struct sched_info): Add new field flags.
4860 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4861 Prototype new sched-deps.c functions.
4862 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4863 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4864 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4865 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4866 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4867 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4869 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4871 * sched-rgn.c (current_sched_info): Initialize flags field.
4872 (schedule_insns): Initialize current_sched_info before the sched_init
4874 * sched-ebb.c (current_sched_info): Initialize flags field.
4875 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4876 Call add_or_update_back_dep instead of add_dependence.
4877 Create control speculative dependencies.
4878 (schedule_insns): Initialize current_sched_info before the sched_init
4881 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4883 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4885 (sh_fallback_frame_state): Likewise.
4887 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4889 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4890 Do switch on default_use_cxa_atexit.
4891 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4892 * config/darwin-crt3.o: New.
4893 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4894 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4895 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4897 * config/rs6000/t-darwin: Move crt2.o building to here.
4898 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4899 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4902 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4904 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4905 from '! xxx' to '!xxx' for coding-style conformance.
4906 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4907 (EXTRA_CONSTRAINT): Likewise.
4908 * config/vax/vax.md (four unnamed insns): Likewise.
4910 2006-03-15 Paul Brook <paul@codesourcery.com>
4912 * config/arm/arm.c (minipool_pad): New.
4913 (add_minipool_forward_ref): Include pool alignment padding in address
4915 (push_minipool_fix): Set minipool_pad.
4916 (minipool_pad): Ditto.
4918 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4920 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4921 instead of GET_CODE() == MEM and REG_P() instead of
4923 (print_operand_address): Likewise.
4924 (vax_address_cost): Likewise.
4925 (vax_rtx_costs): Likewise.
4926 (vax_notice_update_cc): Likewise.
4927 (vax_output_int_add): Likewise.
4928 (INDEX_REGISTER_P): Likewise.
4929 (BASE_REGISTER_P): Likewise.
4930 (nonindexed_address_p): Likewise.
4931 (vax_mode_dependent_address_p): Likewise.
4932 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4933 (PRINT_OPERAND): Likewise.
4934 * config/vax/vax.md (ashlsi3): Likewise.
4935 (ashlsi3): Likewise.
4936 (some more unnamed insns): Likewise.
4938 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4940 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4941 iterator-style macro.
4942 (mark_control_dependent_edges_necessary): Update the use of
4943 EXECUTE_IF_CONTROL_DEPENDENT.
4945 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4947 * config/sh/predicates.md (cache_address_operand): Special.
4948 (ua_address_operand): Likewise.
4950 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4952 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4954 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4956 2006-03-15 Andreas Schwab <schwab@suse.de>
4958 * gensupport.c (identify_predicable_attribute): Don't free p_false
4959 when it is still in use.
4961 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4963 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4964 the default setting here.
4966 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4968 * tree-pass.h (pass_cfg): Remove.
4969 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4970 * passes.c (pass_cfg): Don't run it.
4972 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4974 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4975 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4977 (stack_regs_mentioned): Update the uses of
4978 stack_regs_mentioned_data. Don't access the array beyond its
4980 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4981 Don't include gt-reg-stack.h.
4983 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4984 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4986 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4989 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4992 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4994 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4996 2006-03-14 Richard Guenther <rguenther@suse.de>
4998 PR tree-optimization/26672
4999 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5002 2006-03-14 Richard Guenther <rguenther@suse.de>
5004 PR tree-optimization/26667
5005 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5006 node for the callees. Always allow inlining if it will shrink
5009 2006-03-14 Richard Guenther <rguenther@suse.de>
5012 * builtins.c (get_pointer_alignment): Prefer alignment
5013 information from decls over that from types.
5015 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5018 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5020 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5022 * config/rs6000/rs6000.opt (mdlmzb): New option.
5023 (msched-prolog, msched-epilog): Use Var not Mask.
5024 * doc/invoke.texi (-mdlmzb): Document.
5025 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5027 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5028 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5030 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5032 PR rtl-optimization/25739
5033 * bt-load.c (augment_live_range): Free tos pointer.
5035 * gensupport.c (identify_predicable_attribute): Free
5037 * gcov.c (create_file_names): Free name pointer.
5039 2006-03-13 Roger Sayle <roger@eyesopen.com>
5042 * stmt.c (emit_case_nodes): Handle the case where the index is a
5043 CONST_INT, where the comparison mode is specified by the index type.
5045 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5047 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5050 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5052 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5053 (*branch_fp_inverted): Likewise.
5055 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5058 * omp-low.c (expand_omp_for_generic): Mark istart0
5059 and iend0 as addressable.
5061 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5063 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5065 2006-03-13 Jeff Law <law@redhat.com>
5067 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5068 virtual operands are interesting.
5069 (vrp_visit_stmt): Corresponding changes.
5071 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5073 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5075 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5076 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5077 * config/bfin/crti.S: Use it instead of __PIC__.
5078 * config/bfin/crtn.S: Likewise.
5080 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5081 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5083 Lose 'G' modifier for call operand.
5084 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5085 recognize 'G' modifier.
5087 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5090 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5091 * stmt.c (expand_case): Likewise.
5093 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5095 PR rtl-optimization/26254
5096 * loop-invariant.c (seq_insns_valid_p): New function.
5097 (move_invariant_reg): Only emit new code if it is valid.
5099 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5101 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5103 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5104 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
5105 (commit_one_edge_insertion): Do not look for loop notes.
5107 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5109 * jump.c (follow_jumps): Do not check for loop notes. Move check for
5110 flag_test_coverage out of loop.
5112 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5114 * final.c (shorten_branches): Remove outdated comment, and turn
5115 the if branch that guards it to continue.
5117 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5119 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
5120 * cfgloop.h (struct loop): Remove unused fields.
5122 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
5124 * doc/invoke.texi (-fdump-rtl-loop): Remove.
5125 (-dL, -fdump-rtl-loop2): Update the dump file names
5127 * doc/invoke.texi: Update dump file names.
5129 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
5131 * predict.c (estimate_probability): Remove.
5132 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
5133 * basic-block.h (estimate_probability): Remove prototype.
5134 * passes.c (finish_optimization_passes): Dump branch prediction or
5135 profiling heuristics to the .profile tree dump.
5136 (init_optimization_passes): Unqueue pass_branch_prob.
5138 * doc/invoke.texi (-fdump-rtl-bp): Remove.
5140 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5142 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
5143 * rtl.h (LABEL_NEXTREF): Remove field accessor.
5145 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
5147 * function.h (frame_offset_overflow): Declare.
5148 * function.c (frame_offset_overflow): New function.
5149 (assign_stack_local_1): Call it to detect that the offset overflows.
5150 * cfgexpand.c (alloc_stack_frame_space): Likewise.
5152 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5154 * config/sh/sh.c: Include alloc-pool.h.
5155 (label_ref_list_pool): New alloc pool.
5156 (label_ref_list_t): New type for lists of labels.
5157 (struct pool_node): Make wend a label_ref_list_t.
5158 (add_constant): Use the new type, eradicate LABEL_NEXTREF
5160 (dump_table): Likewise.
5161 (sh_reorg): Set up the alloc pool before using add_constant and
5162 dump_table, and destroy it when finishing.
5164 2006-03-11 Richard Sandiford <richard@codesourcery.com>
5166 * config/mips/mips.c: Remove redundant comment.
5168 2006-03-10 Jason Merrill <jason@redhat.com>
5171 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
5172 the target was declared 'register'.
5174 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
5176 * genpreds.c (write_insn_constraint_len): Change definition of
5177 insn_constraint_len to return size_t to match the declaration.
5179 2006-03-10 DJ Delorie <dj@redhat.com>
5181 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
5183 (m32c_expand_insv): Fix test for an AND mask.
5185 2006-03-10 Richard Guenther <rguenther@suse.de>
5188 * builtins.c (get_pointer_alignment): Handle component
5189 references for field alignment.
5191 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5193 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
5194 when building with libgloss.
5195 (sh*elf): Implement --without-fp option.
5196 (sh64-superh-linux*): Don't multilib.
5198 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5200 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
5202 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
5204 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
5205 Set it when one of the replacement functions returned true.
5206 Return TODO_cleanup_cfg if cfgchanged is true.
5207 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
5209 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
5211 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
5212 instead of gen_lowpart.
5214 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5216 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
5218 (mips_output_order_conditional_branch): Declare.
5219 * config/mips/mips.h (MIPS_BRANCH): New macro.
5220 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
5221 for the comparison. Use gen_condjump.
5222 (mips_output_conditional_branch): Rework interface to take the
5223 asm templates for a direct branch and the inverse of a direct branch.
5224 (mips_output_order_conditional_branch): New function.
5225 (mips_builtin_branch_and_move): New function.
5226 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
5227 branch condition. Use gen_single_cc as the condition for
5228 __builtin_mips_upper_* or __builtin_mips_lower_*.
5229 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
5230 Use VOIDmode for the branch condition.
5231 * config/mips/predicates.md (order_operator): New predicate.
5232 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
5233 (branch_fp): Rename to...
5234 (*branch_fp): ...this. Remove mode from comparison operator.
5235 Use new mips_output_conditional_branch interface.
5236 (branch_fp_inverted): Rename to...
5237 (*branch_fp_inverted): ...this and update as for *branch_fp.
5238 (*branch_zero<mode>): Rename to...
5239 (*branch_order<mode>): ...this. Remove mode from comparison operator.
5240 Use mips_output_order_conditional_branch. Only accept ordered
5242 (*branch_zero<mode>_inverted): Rename to...
5243 (*branch_order<mode>_inverted): ...this and update as for
5244 *branch_order<mode>.
5245 (*branch_equality<mode>): Accept zero as the second operand to
5246 the equality operator. Use the new mips_output_conditional_branch
5248 (*branch_equality<mode>_inverted): Likewise.
5249 (condjump): New expander.
5250 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
5252 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
5253 (bc1any2t, bc1any2f): Likewise.
5254 (single_cc): New expander.
5255 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
5257 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5259 * doc/md.texi: Update documentation of MIPS constraints.
5260 * config/mips/constraints.md: New file.
5261 * config/mips/mips.md: Include it.
5262 * config/mips/mips.c (mips_char_to_class): Delete.
5263 (override_options): Don't initialize mips_char_to_class.
5264 * config/mips/mips.h (mips_char_to_class): Delete.
5265 (REG_CLASS_FROM_LETTER): Delete.
5266 (CONST_OK_FOR_LETTER_P): Delete.
5267 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5268 (EXTRA_CONSTRAINT_Y): Delete.
5269 (EXTRA_CONSTRAINT_STR): Delete.
5270 (CONSTRAINT_LEN): Delete.
5271 (EXTRA_MEMORY_CONSTRAINT): Delete.
5273 2006-03-09 Diego Novillo <dnovillo@redhat.com>
5275 * tree-cfg.c (move_block_to_fn): Remove the statements from the
5276 original fn's eh regions.
5278 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
5280 * fold-const.c (build_range_check): Make sure to use a valid type to
5281 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
5284 (range_predecessor): New static function.
5285 (range_successor): Likewise.
5286 (merge_ranges): Use them to compute predecessors and successors of
5289 2006-03-09 Roger Sayle <roger@eyesopen.com>
5292 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
5293 X op C3, consider whether C3 overflows towards +Inf or -Inf.
5295 2006-03-08 DJ Delorie <dj@redhat.com>
5297 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
5298 (addpsi3): Expand to include memory operands. Remove
5299 reload-specific splits.
5300 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
5301 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
5302 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
5303 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
5304 (shift1_qi, shift1_hi, insv): New.
5305 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
5306 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
5307 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
5309 * config/m32c/m32c-protos.h: Update as needed.
5310 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
5311 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
5312 Fail for unrecognized R* constraints.
5313 (m32c_cannot_change_mode_class): Be more picky about pseudos.
5314 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
5315 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
5317 (m32c_init_libfuncs): New.
5318 (m32c_legitimate_address_p): Add debug wrapper.
5319 (m32c_rtx_costs): New.
5320 (m32c_address_cost): New.
5321 (conversions): Add 'B' prefix.
5322 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
5323 operands, or word regnames for QI operands. 'B' prints bit
5325 (m32c_expand_setmemhi): New.
5326 (m32c_expand_movmemhi): New.
5327 (m32c_expand_movstr): New.
5328 (m32c_expand_cmpstr): New.
5329 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5330 (m32c_expand_neg_mulpsi3): Handle non-ints.
5331 (m32c_cmp_flg_0): New.
5332 (m32c_expand_movcc): New.
5333 (m32c_expand_insv): New.
5334 (m32c_scc_pattern): New.
5335 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5336 a0/a1 out of SIregs.
5337 (STORE_FLAG_VALUE): New.
5338 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5341 * config/m32c/mov.md: Make constraints more liberal.
5342 (zero_extendqihi2): Optimize r0/r1 case.
5343 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5344 * config/m32c/predicates.md (m32c_any_operand): New.
5345 (m32c_nonimmediate_operand): New.
5346 (m32c_hl_operand): New.
5347 (m32c_r3_operand): New.
5350 (memsym_operand): New.
5351 (memimmed_operand): New.
5352 (a_qi_operand): New.
5353 (m32c_eqne_operator): New.
5354 (m32c_1bit8_operand): New.
5355 (m32c_1bit16_operand): New.
5356 (m32c_1mask8_operand): New.
5357 (m32c_1mask16_operand): New.
5358 * config/m32c/blkmov.md: New file.
5359 * config/m32c/t-m32c (MD_FILES): Add blkmov.
5361 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
5363 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
5364 unsigned to fix signed/unsigned comparison issue in
5365 DWARF2_FRAME_REG_OUT.
5366 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
5367 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
5369 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
5370 of ptr into the ENABLE_CHECKING section.
5372 2006-03-08 Jeff Law <law@redhat.com>
5374 * tree-vrp.c (infer_value_range): Only count pointer uses
5375 and dereferences if -fdelete-null-pointer-checks is enabled.
5377 * tree-vrp.c (find_assert_locations): Infer value ranges for
5378 single use pointers, but do not create ASSERT_EXPRs for them.
5379 When a non-null range is inferred for a pointer, backwards
5380 propagate that range to other equivalent pointers through the
5383 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
5386 * Makefile.in (dvi, html, install-info): Invoke the corresponding
5387 language hook targets.
5388 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
5389 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
5390 if language hook targets were missing.
5392 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
5394 * tree-ssa-opfinalize.h: Removed.
5395 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
5397 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
5398 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
5399 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
5400 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
5401 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5402 finalize_ssa_v_must_def_ops): New.
5404 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
5406 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
5409 2006-03-07 Geoffrey Keating <geoffk@apple.com>
5411 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
5413 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
5414 addresses with offsets; reorganize.
5416 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
5417 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
5418 (expand_builtin_init_dwarf_reg_sizes): Likewise.
5420 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
5423 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
5425 2006-03-08 Ben Elliston <bje@au.ibm.com>
5427 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5429 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
5432 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
5435 2006-03-07 Richard Guenther <rguenther@suse.de>
5437 PR tree-optimization/26587
5438 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5440 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5442 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
5444 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5446 * hooks.c (hook_bool_mode_rtx_true): New function.
5447 * hooks.h (hook_bool_mode_rtx_true): Declare.
5448 * toplev.c (compile_file): Call output_shared_constant_pool.
5449 * varasm.c (shared_constant_pool): New variable.
5450 (assemble_start_function, assemble_end_function): Remove arguments
5451 from call to output_constant_pool.
5452 (create_constant_pool): New function, split out from...
5453 (init_varasm_status): ...here.
5454 (force_const_mem): Choose between the shared and per-function constant
5455 pools. Set current_function_uses_const_pool when reusing old entries
5456 as well as when creating new ones.
5457 (mark_constant): Ignore data argument.
5458 (mark_constants): Remove pool argument.
5459 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5460 to decide whether the function uses a constant pool.
5461 (output_constant_pool_contents): New function, split out from...
5462 (output_constant_pool): ...here.
5463 (output_shared_constant_pool): New function.
5464 (init_varasm_once): Initialize shared_constant_pool.
5465 * output.h (output_constant_pool): Delete.
5466 (output_shared_constant_pool): Declare.
5467 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5468 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5470 2006-03-06 Nick Clifton <nickc@redhat.com>
5472 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5473 flag_strength_reduce.
5475 2006-03-06 Ben Elliston <bje@au.ibm.com>
5477 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5478 x86_64-*-linux* configurations.
5480 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5481 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5483 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5485 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5487 * basic-block.h: Remove the extern for
5488 rediscover_loops_after_threading.
5490 * cfgloop.c (cancel_loop): Make it static.
5491 * cfgloop.h: Remove the prototype for cancel_loop.
5493 * flow.c (recompute_reg_usage): Make it static.
5494 * rtl.h: Remove the prototype for recompute_reg_usage.
5496 * function.c (use_return_register): Make it static.
5497 * function.h: Remove the prototype.
5499 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5501 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5503 * recog.h: Remove the prototype for
5504 validate_change_maybe_volatile.
5506 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5508 * rtlanal.c (replace_reg): Remove.
5509 * rtl.h: Remove the prototype for replace_reg.
5511 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5513 * regclass.c (reg_scan_update): Remove.
5514 (reg_scan_mark_refs): Remove the last argument.
5515 * rtl.h: Remove the prototype for reg_scan_update.
5517 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5519 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5520 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5521 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5522 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5523 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5524 loop-invariant.c, omp-low.c, opts.c, passes.c,
5525 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5526 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5527 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5528 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5529 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5530 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5532 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5534 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5535 * dwarf2out.h: Remove the prototype for
5536 dwarf2out_add_library_unit_info.
5538 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5540 * tree.c (add_var_to_bind_expr): Remove.
5541 * tree.h: Remove the prototype for add_var_to_bind_expr.
5543 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5545 * regclass.c (n_non_fixed_regs): Remove.
5546 (init_reg_sets_1, globalize_reg): Remove all uses of
5548 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5550 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5552 * rtlanal.c (insns_safe_to_move_p): Remove.
5553 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5555 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5557 * expmed.c (expand_mult_add): Remove.
5558 * expr.h: Remove the prototype for expand_mult_add.
5560 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5562 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5563 and REG_SAVED_VAL_EXP constants.
5564 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5565 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5566 Handle regs stored by value.
5567 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5568 (execute_cfa_program): Handle DW_CFA_val_offset,
5569 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5570 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5571 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5572 (uw_install_context_1): Handle target regs stored by value.
5574 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5576 * tree-sra.c (tree_sra): Return todoflags;
5577 (generate_one_element): Set TODO_update_smt_usage if needed.
5578 (pass_sra): Remove TODO_update_smt_usage.
5579 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5581 (tree_ssa_forward_propagate_single_use_vars): Return
5582 TODO_update_smt_usage if we need to update SMT usage.
5583 (pass_forwprop): Remove TODO_update_smt_usage.
5585 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5587 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5588 (correct_use_link): Remove reference to get_stmt_operands.
5589 (update_stmt_operands): Likewise.
5590 (get_modify_expr_operands): New function factored out of
5591 parse_ssa_operands and get_expr_operands.
5592 Try to create V_MUST_DEFs for LHS by default.
5593 (get_expr_operands) <case MODIFY_EXPR>: Call
5594 get_modify_expr_operands.
5595 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5596 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5597 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5598 get_modify_expr_operands.
5600 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5602 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5603 * tree-flow.h: Remove the prototype for
5604 referenced_var_lookup_if_exists.
5606 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5608 PR rtl-optimization/26345
5610 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5612 2006-03-03 Roger Sayle <roger@eyesopen.com>
5614 PR tree-optimization/26524
5615 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5616 fold_convert to create a constant of the appropriate type.
5618 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5620 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5621 SYMBOL_REF_IN_BLOCK_P.
5622 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5623 of SYMBOL_FLAG_IN_BLOCK.
5624 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5625 instead of SYMBOL_REF_IN_BLOCK_P.
5626 * explow.c (use_anchored_address): Likewise.
5627 * rtl.c (rtx_size): Likewise.
5628 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5629 instead of SYMBOL_FLAG_IN_BLOCK.
5630 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5631 SYMBOL_REF_IN_BLOCK_P.
5632 (assemble_variable): Likewise.
5633 (output_constant_def_contents): Likewise.
5634 (output_constant_pool): Likewise.
5635 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5636 instead of SYMBOL_FLAG_IN_BLOCK.
5637 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5638 SYMBOL_REF_IN_BLOCK_P.
5639 (SYMBOL_REF_BLOCK): Likewise.
5640 (SYMBOL_REF_OFFSET): Likewise.
5641 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5642 SYMBOL_REF_IN_BLOCK_P.
5643 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5644 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5645 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5646 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5648 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5650 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5652 2006-03-02 Roger Sayle <roger@eyesopen.com>
5654 * simplify-rtx.c (simplify_unary_operation): When simplifying
5655 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5656 that we perform the right shift in the appropriate mode, and
5657 then extend or truncate the result to requested mode.
5659 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5661 * gengtype.c (main): Handle double_int type.
5662 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5663 * double-int.c: New file.
5664 * double-int.h: New file.
5665 * system.h: Include doubleint.h.
5666 * Makefile.in (SYSTEM_H): Include double-int.h.
5667 (double-int.o): Add.
5669 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5672 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5675 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5677 * tree-vrp.c (remove_range_assertions): Do not update statements
5680 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5682 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5684 * gcse.c (rest_of_handle_gcse): Ditto.
5685 * except.c (gate_handle_eh): Ditto.
5686 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5687 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5689 2006-03-02 Eric Christopher <echristo@apple.com>
5691 * config/i386/i386.c (machopic_output_stub): Add indirection to
5694 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5698 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5700 Sun Niagara specific optimizations.
5701 * config.gcc: Recognize niagara as target.
5702 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5703 (TARGET_CPU_niagara): Define.
5704 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5705 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5706 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5707 (ASM_CPU_SPEC): Likewise.
5708 (PROCESSOR_NIAGARA): New enum entry.
5709 (REGISTER_MOVE_COST): Handle Niagara.
5710 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5711 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5712 (sparc_override_options): Recognize "niagara", set appropriate
5713 default MASK_* values for it, and align functions to 32-bytes
5714 by default just like ULTRASPARC/ULTRASPARC3.
5715 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5716 (sparc64_initialize_trampoline): Likewise.
5717 (sparc_use_sched_lookahead): Use zero for niagara.
5718 (sparc_issue_rate): Use one for niagara.
5719 * config/sparc/niagara.md: New file.
5720 * config/sparc/sparc.md: Include it.
5721 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5722 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5723 when default cpu is niagara.
5724 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5725 (ASM_CPU_SPEC): Likewise.
5726 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5727 when default cpu is niagara.
5728 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5729 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5730 just like v9/ultrasparc/ultrasparc3.
5731 * doc/invoke.texi: Add documentation for "niagara" and improve
5732 existing documentation for ultrasparc variants.
5734 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5736 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5738 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5740 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5741 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5742 and say that only one is needed.
5743 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5744 * target.h (have_switchable_bss_sections): New hook.
5745 * explow.c (use_anchored_address): Check that the symbol is in a block.
5746 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5747 (bss_noswitch_section): New variables.
5748 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5749 (get_noswitch_section): New function.
5750 (get_block_for_section): Allow SECT to be null.
5751 (unlikely_text_section_p): Use SECTION_STYLE.
5752 (bss_initializer_p): New function.
5753 (get_variable_section): Move earlier in file. Take a new argument,
5754 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5755 Return one of the new *_sections in such cases.
5756 (get_block_for_decl): New function, extracting some logic from
5757 use_blocks_for_decl_p.
5758 (change_symbol_section): Remove in favor of...
5759 (change_symbol_block): ...this new function.
5760 (use_blocks_for_decl_p): Remove checks now performed by
5762 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5763 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5764 (emit_local, emit_bss, emit_common): ...these new functions.
5765 Return true if the alignment was honored.
5766 (emit_tls_common): New function.
5767 (asm_emit_uninitialised): Delete.
5768 (assemble_variable_noswitch): New function, split out from...
5769 (assemble_variable): ...here. Don't make decisions about common
5770 variables here. Globalize all public decls that go into non-common
5771 sections. Check whether SYMBOL_REF_BLOCK is null.
5772 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5773 (output_constant_pool): Likewise.
5774 (init_varasm_once): Initialize the new section variables.
5775 (have_global_bss_p): New function.
5776 (categorize_decl_for_section): Use bss_initializer_p.
5777 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5778 (place_block_symbol): Assert that the symbol must be in a block.
5779 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5780 (TARGET_INITIALIZER): Include it.
5781 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5782 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5783 (SECTION_MACH_DEP): Bump by two.
5784 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5785 (unnamed_section): Mention SECTION_UNNAMED in comment.
5786 (named_section): Likewise SECTION_NAMED.
5787 (noswitch_section_callback): New type.
5788 (noswitch_section): New structure.
5789 (section): Add a noswitch_section alternative.
5790 (SECTION_STYLE): New macro.
5791 (tls_comm_section, comm_section, lcomm_section): Declare.
5792 (bss_noswitch_section, have_global_bss_p): Declare.
5793 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5794 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5796 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5797 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5800 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5802 * tree-vrp.c (execute_vrp): Return value.
5803 * regrename.c (rest_of_handle_regrename): Ditto.
5804 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5805 * tree-complex.c (tree_lower_complex): Ditto.
5806 (tree_lower_complex_O0): Ditto.
5807 * tracer.c (rest_of_handle_tracer): Ditto.
5808 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5809 * postreload.c (rest_of_handle_postreload): Ditto.
5810 * tree-tailcall.c (execute_tail_recursion): Ditto.
5811 (execute_tail_calls): Ditto.
5812 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5813 * tree.h (init_function_for_compilation): Ditto.
5814 * ipa-cp.c (ipcp_driver): Ditto.
5815 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5816 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5817 * final.c (compute_alignments): Ditto.
5818 (rest_of_handle_final): Ditto.
5819 (rest_of_handle_shorten_branches): Ditto.
5820 (rest_of_clean_state): Ditto.
5821 * omp-low.c (execute_expand_omp): Ditto.
5822 (execute_lower_omp): Ditto.
5823 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5824 * ipa-reference.c (static_execute): Ditto.
5825 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5826 * reorg.c (rest_of_handle_delay_slots): Ditto.
5827 (rest_of_handle_machine_reorg): Ditto.
5828 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5829 * flow.c (recompute_reg_usage): Ditto.
5830 (rest_of_handle_remove_death_notes): Ditto.
5831 (rest_of_handle_life): Ditto.
5832 (rest_of_handle_flow2): Ditto.
5833 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5834 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5835 (do_ssa_store_ccp): Ditto.
5836 (execute_fold_all_builtins): Ditto.
5837 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5838 * modulo-sched.c (rest_of_handle_sms): Ditto.
5839 * ipa-pure-const.c (static_execute): Ditto.
5840 * cse.c (rest_of_handle_cse): Ditto.
5841 (rest_of_handle_cse2): Ditto.
5842 * web.c (rest_of_handle_web): Ditto.
5843 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5844 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5845 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5846 * tree-nrv.c (tree_nrv): Ditto.
5847 (execute_return_slot_opt): Ditto.
5848 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5849 (create_structure_vars): Ditto.
5850 * loop-init.c (rtl_loop_init): Ditto.
5851 (rtl_loop_done): Ditto.
5852 (rtl_move_loop_invariants): Ditto.
5853 (rtl_unswitch): Ditto.
5854 (rtl_unroll_and_peel_loops): Ditto.
5855 (rtl_doloop): Ditto.
5856 * gimple-low.c (lower_function_body): Ditto.
5857 (mark_used_blocks): Ditto.
5858 * tree-ssa-sink.c (execute_sink_code): Ditto.
5859 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5860 (cgraph_early_inlining): Ditto.
5861 * global.c (rest_of_handle_global_alloc): Ditto.
5862 * jump.c (cleanup_barriers): Ditto.
5863 (purge_line_number_notes): Ditto.
5864 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5865 (rest_of_handle_if_after_reload): Ditto.
5866 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5867 (tree_ssa_loop_im): Ditto.
5868 (tree_ssa_loop_unswitch): Ditto.
5869 (tree_vectorize): Ditto.
5870 (tree_linear_transform): Ditto.
5871 (tree_ssa_loop_ivcanon): Ditto.
5872 (tree_ssa_empty_loop): Ditto.
5873 (tree_ssa_loop_bounds): Ditto.
5874 (tree_complete_unroll): Ditto.
5875 (tree_ssa_loop_prefetch): Ditto.
5876 (tree_ssa_loop_ivopts): Ditto.
5877 (tree_ssa_loop_done): Ditto.
5878 * predict.c (tree_estimate_probability): Ditto.
5879 * recog.c (split_all_insns_noflow): Ditto.
5880 (rest_of_handle_peephole2): Ditto.
5881 (rest_of_handle_split_all_insns): Ditto.
5882 * tree-eh.c (lower_eh_constructs): Ditto.
5883 * regmove.c (rest_of_handle_regmove): Ditto.
5884 (rest_of_handle_stack_adjustments): Ditto.
5885 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5886 * function.c (instantiate_virtual_regs): Ditto.
5887 (init_function_for_compilation): Ditto.
5888 (rest_of_handle_check_leaf_regs): Ditto.
5889 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5890 (rest_of_handle_gcse): Ditto.
5891 * ipa-type-escape.c (type_escape_execute): Ditto.
5892 * alias.c (rest_of_handle_cfg): Ditto.
5893 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5894 * profile.c (rest_of_handle_branch_prob): Ditto.
5895 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5896 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5897 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5898 * tree-dfa.c (find_referenced_vars): Ditto.
5899 * except.c (set_nothrow_function_flags): Ditto.
5900 (convert_to_eh_region_ranges): Ditto.
5901 (rest_of_handle_eh): Ditto.
5902 * emit-rtl.c (unshare_all_rtl): Ditto.
5903 (remove_unnecessary_notes): Ditto.
5904 * except.h (set_nothrow_function_flags): Ditto.
5905 (convert_to_eh_region_ranges): Ditto.
5906 * cfgexpand.c (tree_expand_cfg): Ditto.
5907 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5908 * tree-ssa-pre.c (do_pre): Ditto.
5909 (execute_fre): Ditto.
5910 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5911 (rest_of_handle_jump2): Ditto.
5912 * tree-sra.c (tree_sra): Ditto.
5913 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5914 (execute_mudflap_function_decls): Ditto.
5915 * tree-ssa-copy.c (do_copy_prop): Ditto.
5916 (do_store_copy_prop): Ditto.
5917 * ipa-prop.h (ipcp_driver): Ditto.
5918 * cfglayout.c (insn_locators_initialize): Ditto.
5919 * tree-ssa-forwprop.c
5920 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5921 * cfglayout.h (insn_locators_initialize): Ditto.
5922 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5923 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5924 (execute_late_warn_uninitialized): Ditto.
5925 * rtl.h (cleanup_barriers): Ditto.
5926 (split_all_insns_noflow): Ditto.
5927 (purge_line_number_notes): Ditto.
5928 (unshare_all_rtl): Ditto.
5929 (remove_unnecessary_notes): Ditto.
5930 (recompute_reg_usage): Ditto.
5931 (variable_tracking_main): Ditto.
5932 * integrate.c (emit_initial_value_sets): Ditto.
5933 * integrate.h (emit_initial_value_sets): Ditto.
5934 * tree-optimize.c (execute_free_datastructures): Ditto
5935 (execute_free_cfg_annotations): Ditto.
5936 (execute_fixup_cfg): Ditto.
5937 (execute_cleanup_cfg_pre_ipa): Ditto.
5938 (execute_cleanup_cfg_post_optimizing): Ditto.
5939 (execute_init_datastructures): Ditto.
5940 * tree-object-size.c (compute_object_sizes): Ditto.
5941 * combine.c (rest_of_handle_combine): Ditto.
5942 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5943 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5944 (rest_of_handle_reorder_blocks): Ditto.
5945 (rest_of_handle_partition_blocks): Ditto.
5946 * var-tracking.c (variable_tracking_main): Ditto.
5947 * tree-profile.c (tree_profiling): Ditto.
5948 * tree-vect-generic.c (expand_vector_operations): Ditto.
5949 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5950 * sched-rgn.c (rest_of_handle_sched): Ditto.
5951 (rest_of_handle_sched2): Ditto.
5952 * basic-block.h (free_bb_insn): Ditto.
5953 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5954 * tree-cfg.c (execute_build_cfg): Ditto.
5955 (remove_useless_stmts): Ditto.
5956 (split_critical_edges): Ditto.
5957 (execute_warn_function_return): Ditto.
5958 (execute_warn_function_noreturn): Ditto.
5959 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5960 * cfgrtl.c (free_bb_for_insn): Ditto.
5961 * passes.c (execute_one_pass): Run additional
5962 todos returned by execute function.
5963 * tree-pass.h (struct tree_opt_pass): Make execute
5966 2006-03-02 Richard Guenther <rguenther@suse.de>
5968 * tree-ssa-alias.c (find_used_portions): Consider taking
5969 the address as making the variable not write-only.
5971 2006-03-02 Nick Clifton <nickc@redhat.com>
5973 * config.gcc (default_use_cxa_atexit): Extend the description of
5974 this configure variable. Set its default value to "yes" for
5975 Linux, NetBSD and ELF targets on the assumption that they will
5976 use C libraries with the __cxa_atexit function.
5978 2006-03-02 Ben Elliston <bje@au.ibm.com>
5980 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5981 parameter as unused to suppress a build warning.
5983 2006-03-02 Ben Elliston <bje@au.ibm.com>
5985 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5988 2006-03-01 Roger Sayle <roger@eyesopen.com>
5991 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5992 declared name, the weak reference name, and the typeof name.
5993 (__gthrw): Avoid expanding the declared name suffix.
5994 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5996 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5998 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6000 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6001 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6002 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6003 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6004 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6005 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6006 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6007 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6008 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6009 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6010 (DW_END_default, DW_END_big, DW_END_little): New.
6011 (DW_END_lo_user, DW_END_hi_user): Define.
6012 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6013 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6014 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6017 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6019 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6021 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6023 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6025 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6027 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6028 to 'symbol_mem_tag'.
6030 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6033 2006-03-01 Roger Sayle <roger@eyesopen.com>
6035 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6037 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6040 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6041 MACHO_DYNAMIC_NO_PIC_P.
6042 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6044 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6047 * config/darwin-protos.h (darwin_asm_output_anchor):
6049 * config/darwin-sections.def (cstring_section):
6050 Add SECTION_MERGE to the flags.
6051 (literal4_section): Likewise.
6052 (literal8_section): Likewise.
6053 (objc_selector_refs_section): Likewise.
6054 (objc_cls_refs_section): Likewise.
6055 * config/darwin.c (darwin_asm_output_anchor): New
6057 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6059 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6061 Fix PR tree-optimization/26443
6062 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6063 to todo and PROP_tmt_usage to properties_destroyed.
6064 * tree-ssa-ccp.c (pass_ccp): Ditto.
6065 (pass_store_ccp): Ditto.
6066 * tree-ssa-dom.c (pass_dominator): Ditto.
6068 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6070 * tree-ssa-operands.c: Cleanup whitespace.
6071 (get_asm_expr_operands): Move before first invocation.
6072 (get_indirect_ref_operands): Likewise.
6073 (get_tmr_operands): Likewise.
6074 (get_call_expr_operands): Likewise.
6075 (append_def): Likewise.
6076 (append_use): Likewise.
6077 (append_v_may_def): Likewise.
6078 (append_v_must_def): Likewise.
6079 (add_call_clobber_ops): Likewise.
6080 (add_call_read_ops): Likewise.
6081 (add_stmt_operand): Likewise.
6082 (add_virtual_operand): Likewise.
6083 (build_ssa_operands): Likewise.
6085 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6090 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6091 with a call expr to ...
6092 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6094 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6096 * tree-vrp.c (extract_range_from_assert): Remove special
6097 handling for types with super-types.
6099 2006-03-01 Ben Elliston <bje@au.ibm.com>
6101 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6102 and powerpc64-*-linux* configurations.
6103 * config/t-dfprules: New file.
6105 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
6106 Compile dfp-bit.c from the source directory using -DWIDTH and
6107 $DFP_CFLAGS to control the compilation of that file, rather than
6108 generating width-specific versions in the build directory.
6109 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
6110 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
6112 2006-02-28 Zack Weinberg <zackw@panix.com>
6114 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
6117 2006-02-28 Eric Christopher <echristo@apple.com>
6119 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
6120 Set up IN_LIBGCC definition of TARGET_64BIT.
6121 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
6123 2006-02-28 Roger Sayle <roger@eyesopen.com>
6126 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
6127 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
6128 cases via the construction of "expr != 0".
6130 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
6132 * alias.c (alias_invariant, alias_invariant_size): Remove.
6133 (record_base_value): Remove.
6134 (memrefs_conflict_p): Don't look at alias_invariant.
6135 (end_alias_analysis): Don't free it.
6136 * alias.h (record_base_value): Remove prototype.
6138 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
6139 Adam Nemet <anemet@caviumnetworks.com>
6141 * rtl.h (truncated_to_mode): Declare it.
6142 (struct rtl_hooks): Add reg_truncated_to_mode hook.
6143 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
6144 (RTL_HOOKS_INITIALIZER): Include it.
6145 * rtlhooks.c (reg_truncated_to_mode_general): New function.
6146 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
6147 reg_truncated_to_mode.
6148 * rtlanal.c (truncated_to_mode): Define it.
6149 * simplify-rtx.c (simplify_unary_operation_1): Use it.
6151 2006-02-28 Jeff Law <law@redhat.com>
6153 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
6154 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
6155 the range allowed by TYPE_PRECISION.
6157 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
6159 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
6161 PR tree-optimization/26419
6162 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
6165 2006-02-27 Zack Weinberg <zackw@panix.com>
6167 * doc/md.texi: Fix typo in previous change.
6169 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6173 2006-02-27 Zack Weinberg <zackw@panix.com>
6175 * rtl.def (define_constraint, define_register_constraint)
6176 (define_memory_constraint, define_address_constraint): New MD forms.
6177 * gensupport.c (process_rtx): Put define_constraint etc on the
6179 * genpreds.c (process_define_predicate): Adjust comment. Validate
6180 the name, and call validate_exp to validate the expression.
6181 (mark_mode_tests, write_extract_subexp): Can assume correct input.
6182 (write_predicate_expr): Likewise. NAME argument no longer necessary;
6183 all callers changed.
6184 (validate_exp, needs_variable, struct constraint_data)
6185 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
6186 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
6187 (const_dbl_constraints, constraint_max_namelen)
6188 (have_register_constraints, have_memory_constraints)
6189 (have_address_constraints, have_address_constraints)
6190 (have_extra_constraints, have_const_int_constraints)
6191 (have_const_dbl_constraints, mangle, add_constraint)
6192 (process_define_constraint, process_define_register_constraint)
6193 (write_enum_constraint_num, write_lookup_constraint)
6194 (write_insn_constraint_len, write_regclass_for_constraint)
6195 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
6196 (write_insn_extra_memory_constraint)
6197 (write_insn_extra_address_constraint)
6198 (write_satisfies_constraint_fns): New.
6199 (write_tm_preds_h): If we have new-style constraint definitions,
6200 prototype the functions generated from them, and define the
6201 old constraint interface (still used by generic code) in terms of
6203 (write_insn_preds_c): If we have new-style constraint definitions,
6204 generate all relevant functions from those definitions.
6205 (main): Handle define_constraint etc.
6206 * genoutput.c (struct constraint_data, indep_constraints)
6207 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
6208 (mdep_constraint_len): New data structures and functions, defined
6209 #ifdef USE_MD_CONSTRAINTS.
6210 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
6211 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
6212 use new logic to validate operand constraints against constraint
6214 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
6216 * defaults.h: If none of the old-style constraint macros are
6217 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
6218 old-style macros; and poison REG_CLASS_FROM_LETTER,
6219 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
6221 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
6222 * doc/md.texi: Document new constraint-definition mechanism and the
6223 C interface it provides. Remove references to old mechanism
6224 elsewhere in the document.
6225 (Machine Constraints): Use pathnames relative to gcc directory,
6226 i.e. config/ARCH/FILE. Change i386 section to refer to
6227 config/i386/predicates.md; update that section to match docstrings.
6228 * doc/tm.texi: Move all documentation of the old constraint-
6229 definition macros to their own section, clearly mark as obsolete.
6231 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
6232 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
6234 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
6235 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6236 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
6238 (splits and peepholes): Use satisfies_constraint_*.
6239 * config/i386/i386.c (memory_address_length)
6240 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
6242 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6244 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
6245 scalar operation to be put back into the loop.
6247 2006-02-27 Jakub Jelinek <jakub@redhat.com>
6250 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
6251 (extract_cie_info): Handle S flag in augmentation string.
6252 (execute_cfa_program): If context->signal_frame, execute also
6253 fs->pc == context->ra instructions.
6254 (uw_frame_state_for): If context->signal_frame, don't subtract one
6255 from context->ra to find FDE.
6256 (uw_update_context_1): Set context->signal_frame to
6258 (_Unwind_GetIPInfo): New function.
6259 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
6260 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
6262 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
6263 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
6264 * unwind-compat.c (_Unwind_GetIPInfo): New function.
6265 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
6266 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
6267 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
6268 * config/i386/linux-unwind.h (x86_fallback_frame_state,
6269 x86_64_fallback_frame_state): Set fs->signal_frame.
6270 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
6271 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
6272 (frob_update_context): Likewise. Workaround missing S flag in
6273 Linux 2.6.12 - 2.6.16 kernel vDSOs.
6274 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
6275 Remove the psw_addr + 1 hack.
6277 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6279 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
6280 with aggregates here.
6281 (find_func_aliases): Remove code for &<aggregate> from here.
6283 2006-02-26 Roger Sayle <roger@eyesopen.com>
6285 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
6286 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
6287 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
6290 2006-02-26 Roger Sayle <roger@eyesopen.com>
6293 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
6295 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
6297 * opts.c (decode_options): Do not handle flag_strength_reduce.
6298 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
6299 and OPT_fstrength_reduce.
6300 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
6301 flag_prefetch_loop_arrays for being nonzero.
6302 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
6304 (fprefetch-loop-arrays-rtl): Removed.
6305 (flag_prefetch_loop_arrays): Do not specify the value.
6307 * doc/passes.texi: Update documentation of loop optimizer
6309 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
6310 -frerun-loop-opt): Remove.
6312 2006-02-26 Richard Guenther <rguenther@suse.de>
6314 PR tree-optimization/26421
6315 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
6316 in function calls that are ADDR_EXPRs as using the whole structure.
6318 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
6320 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
6321 * tree-pass.h (pass_loop_optimize): Remove.
6322 * passes.c (pass_loop_optimize): Never run it.
6323 * toplev.c (backend_init): Don't call init_loop.
6324 * opts.c (flag_loop_optimize_set): Remove.
6325 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
6326 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
6327 the old RTL loop optimizer when profiling enabled.
6328 * predict.c (tree_estimate_probability): Always strip builtin_expect.
6329 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6330 pre-headers for the sake of the old RTL loop optimizer.
6331 * Makefile.in: Remove all references to loop.o.
6333 * doc/invoke.texi: Remove all references to -floop-optimize
6334 and -frerun-loop-opt.
6336 2006-02-26 Zack Weinberg <zackw@panix.com>
6338 * doc/md.texi (Machine Constraints): Refer to all files with paths
6339 relative to gcc directory (i.e. config/CPU/file). Add missing
6340 @table @code ... @end table to M32C subsection.
6342 2006-02-26 Roger Sayle <roger@eyesopen.com>
6344 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6346 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6348 2006-02-26 Roger Sayle <roger@eyesopen.com>
6349 James A. Morrison <phython@gcc.gnu.org>
6352 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6353 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
6354 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
6355 signedness of the shift operation.
6357 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
6359 PR tree-optimization/26359
6360 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
6362 2006-02-25 Roger Sayle <roger@eyesopen.com>
6364 * simplify-rtx.c (simplify_relational_operation_1): Simplify
6365 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
6366 as X == 0, and some symmetry related transformations.
6367 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
6369 2006-02-25 Roger Sayle <roger@eyesopen.com>
6372 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
6373 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
6374 symmetry related transformations. Fold (X^C1) == C2 as
6377 2006-02-25 Juergen Weigert <jw@suse.de>
6378 Richard Guenther <rguenther@suse.de>
6380 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6382 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
6384 * combine.c (gen_lowpart_or_truncate): Call
6385 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6387 2006-02-24 Diego Novillo <dnovillo@redhat.com>
6389 * doc/invoke.texi: Move -fopenmp description to "Options for
6391 Remove reference to -lgomp.
6393 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6395 * doc/install.texi: Require GNU tar version 1.14.
6397 2006-02-24 Geoffrey Keating <geoffk@apple.com>
6399 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
6400 * doc/invoke.texi (C++ Dialect Options): Document
6401 -fno-use-cxa-get-exception-ptr.
6402 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
6403 * configure: Regenerate.
6404 * c.opt (fuse-cxa-get-exception-ptr): New.
6405 * c-opts.c (c_common_handle_option): Handle
6406 OPT_fuse_cxa_get_exception_ptr.
6407 * c-common.c (flag_use_cxa_atexit): Update documentation.
6408 (flag_use_cxa_get_exception_ptr): New.
6409 * c-common.h (flag_use_cxa_get_exception_ptr): New.
6410 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
6412 (C_COMMON_OVERRIDE_OPTIONS): New.
6414 2006-02-24 Roger Sayle <roger@eyesopen.com>
6417 * combine.c (try_combine): Explicitly check whether GET_CODE is
6418 a SET or a CLOBBER, instead on checking that it isn't a USE.
6420 2006-02-24 Roger Sayle <roger@eyesopen.com>
6422 * fold-const.c (fold_comparison): New subroutine of fold_binary
6423 containing transformations common to both the equality and
6424 ordering relational operators, factored out of fold_binary.
6425 (fold_binary): Separate out the equality operators (EQ_EXPR
6426 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
6427 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
6428 transformations common to both.
6429 (fold_div_compare): Fix latent bugs in the previously unreachable
6430 LT_EXPR and GE_EXPR cases.
6432 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6434 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
6435 decl libname for clog to __clog on AIX.
6437 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
6439 2006-02-24 Alan Modra <amodra@bigpond.net.au>
6442 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6443 output traceback table for thunks. Localise rs6000_stack_info call.
6445 2006-02-23 Roger Sayle <roger@eyesopen.com>
6446 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6448 * gthr-posix.h (__gthrw): Fix typo in comment.
6450 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6452 * doc/cpp.texi (Character sets): Document that we do support
6453 input files to be in any character set.
6455 2006-02-23 Jeff Law <law@redhat.com>
6457 * tree.h (PHI_ARG_NONZERO): Remove.
6458 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6459 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6460 node to the new node.
6462 PR tree-optimization/26425
6463 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6464 min/max, then assume its varying.
6466 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6468 PR rtl-optimization/26316
6469 * rtlanal.c (enum may_trap_p_flags): New.
6470 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6471 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6472 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6473 (may_trap_after_code_motion_p): New function.
6474 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6475 (find_invariant_insn): Use may_trap_after_code_motion_p.
6476 * rtl.h (may_trap_after_code_motion_p): Declare.
6478 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6480 * emit-rtl.c (immed_double_const): Cleanup.
6482 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6484 Fix PR tree-optimization/26376
6485 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6488 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6491 * gimplify.c (omp_add_variable): Guard variable size decl test with
6492 DECL_SIZE (decl) check.
6494 2006-02-23 Richard Guenther <rguenther@suse.de>
6497 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6498 like aggregate types.
6500 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6502 * configure.ac: Add --with{,out}-long-double-128 configure option.
6503 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6504 * configure: Rebuilt.
6505 * config.in: Rebuilt.
6506 * doc/install.texi (Options specification): Document
6507 --with-long-double-128.
6509 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6510 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6511 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6512 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6514 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6516 * config/s390/s390.c (override_options): Handle
6517 TARGET_DEFAULT_LONG_DOUBLE_128.
6519 * config/alpha/alpha.c (override_options): Handle
6520 TARGET_DEFAULT_LONG_DOUBLE_128.
6522 * config/sparc/sparc.c (sparc_override_options): Handle
6523 TARGET_DEFAULT_LONG_DOUBLE_128.
6525 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6527 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6528 (real-install-headers-tar, real-install-headers-cpio)
6529 (real-install-headers-cp): New targets.
6531 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6533 * tree.h (variable_section): Delete.
6534 * varasm.c (variable_section): Delete.
6536 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6538 * install.texi: Add notes on install.texi2html.
6539 (Building in parallel): Do not use footnotes.
6541 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6544 * doc/install.texi (Configuration): Document --disable-libgomp.
6546 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6548 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6550 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6552 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6553 (vec_extractv2df_0_sse): New.
6555 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6557 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6558 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6559 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6560 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6561 to the result of the expression.
6562 (def_cfa_1): Adjust.
6563 (frame_pointer_cfa_offset): Rename to...
6564 (frame_pointer_fb_offset): ... this. Adjust all uses.
6565 (convert_cfa_to_loc_list): Rename to...
6566 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6567 Pass it on to build_cfa_loc.
6568 (compute_frame_pointer_to_cfa_displacement): Rename to...
6569 (compute_frame_pointer_to_fb_displacement): ... this. New
6570 offset parameter. Use it in computation.
6571 (gen_subprogram_die): Compute cfa_fb_offset with the new
6572 macro, and use it to compute the fb loc list and the
6575 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6577 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6578 replaced with register_operand.
6579 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6580 non-DREG is expensive.
6581 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6582 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6585 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6587 * doc/install.texi2html: Use set -e.
6589 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6591 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6592 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6593 * doc/invoke.texi (-fshared-data): Delete.
6594 * common.opt (fshared-data): Delete.
6595 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6596 (assemble_static_space): Remove #if 0 code.
6597 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6598 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6599 * config/cris/cris.h: Remove FIXME.
6601 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6603 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6606 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6609 * combine.c (simplify_shift_const_1): Disable nested shifts
6610 optimization for vector shifts.
6612 2006-02-20 Roger Sayle <roger@eyesopen.com>
6614 PR tree-optimization/26361
6615 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6616 of unsigned integer types.
6618 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6620 * tree-chrec.c (eq_evolutions_p): New.
6621 * tree-chrec.h (eq_evolutions_p): Declared.
6622 * tree-data-ref.c: Fix formatting.
6623 (datadep_stats, dependence_stats): New.
6625 (print_direction_vector): New.
6626 (dump_data_dependence_relation): Use print_direction_vector.
6627 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6628 (compute_subscript_distance): Static.
6629 (initialize_data_dependence_relation): Static. Get the number
6630 of loops surrounding the references from the callers, and initialize
6631 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6632 base_object_differ_p analyzers.
6633 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6634 compute_overlap_steps_for_affine_1_2,
6635 analyze_subscript_affine_affine): Count the classified dependences.
6636 Print a message when a test failed.
6637 (can_use_analyze_subscript_affine_affine): New.
6638 (analyze_siv_subscript): Compute the data dependences on symbolic
6639 scevs that verify can_use_analyze_subscript_affine_affine.
6640 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6641 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6642 Handle symbolic scevs.
6643 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6645 (subscript_dependence_tester): Moved...
6646 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6647 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6648 DDR_SIZE_VECT instead of getting it in parameter.
6649 (subscript_dependence_tester): ... here. Take as a parameter
6650 loop_nest_depth. Call build_classic_dist_vector and
6651 build_classic_dir_vector.
6652 (compute_affine_dependence): Update subscript_dependence_tester
6653 parameters. Update datadep_stats counters. Call
6654 compute_subscript_distance.
6655 (compute_self_dependence): Save the dist and dir vectors. Call
6656 compute_subscript_distance.
6657 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6658 (compute_all_dependences): Reorder parameters as they were before
6659 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6660 compute_subscript_distance. Update the use of
6661 compute_affine_dependence and initialize_data_dependence_relation.
6662 (find_data_references_in_loop): Handle COMPONENT_REF.
6663 (compute_data_dependences_for_loop): Initialize dependence_stats.
6664 Don't call build_classic_dist_vector and build_classic_dir_vector.
6665 Update the parameters of initialize_data_dependence_relation and
6666 compute_all_dependences. Print the statistics from datadep_stats.
6667 (analyze_all_data_dependences): Static. Not used until the pass for
6668 checking the data dependences is contributed.
6669 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6670 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6671 (initialize_data_dependence_relation, compute_affine_dependence,
6672 analyze_all_data_dependences, compute_subscript_distance): Removed.
6673 (print_direction_vector): New.
6674 * lambda.h (gcd): ... here.
6675 (lambda_vector_gcd): Moved here from gcd_vector.
6676 * lambda-code.c (gcd, gcd_vector): Removed.
6677 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6678 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6680 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6682 * ipa-type-escape.c: Tidy some comments and white space.
6683 * tree-ssa-operands.c: Likewise.
6685 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6688 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6689 (dump_decl_name): Do not walk the decl tree chains.
6690 * tree-pass.h (TDF_CHAIN): Remove.
6692 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6694 * Makefile.in (C): Remove
6696 (.PHONY): Remove C and PROTO
6698 2006-02-20 Roger Sayle <roger@eyesopen.com>
6701 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6702 deprecated CHAR_TYPE tree code.
6704 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6706 * configure.ac (target_list): Add install-info, dvi, html.
6707 * configure: Regenerate.
6709 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6710 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6711 treelang/Make-lang.in: Do not use double-colon rules.
6713 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6715 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6716 (TMT_USED_ALONE): New macro.
6717 * tree-pass.h (PROP_tmt_usage): New property.
6718 (TODO_update_tmt_usage): New todo.
6719 * tree-ssa-alias.c (updating_used_alone): New variable.
6720 (recalculate_used_alone): New function.
6721 (compute_may_aliases): Set updating_used_alone, call
6722 recalculate_used_alone.
6723 * tree-sra.c (pass_sra): Note that this pass destroys
6724 PROP_tmt_usage, and add TODO_update_tmt_usage.
6725 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6726 * tree-flow.h (updating_used_alone): Prototype.
6727 (recalculate_used_alone): Ditto.
6728 * passes.c (execute_todo): Add code to set updating_used_alone,
6729 and call recalculate.
6730 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6731 for clobber if used alone, and add assert to verify used_alone
6734 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6736 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6737 for non tls symbols added.
6738 (legitimize_address): Do nothing for PLUS expressions if one of the
6739 addends is a tls symbol reference.
6741 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6745 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6747 * Makefile.in (BOOTSTRAPPING): New.
6748 (quickstrap): New definition if BOOTSTRAPPING=yes.
6750 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6751 * configure.ac: Substitute all_selected_languages with the languages
6752 that were configured. For all the other variables except
6753 lang_specs_files, include all the languages in the tree.
6754 * configure: Regenerate.
6756 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6757 if there is one. Run the commands to run fixincludes in the same
6760 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6761 * doc/install.texi: Document exact conventions for searching target tools.
6762 Document --with-build-time-tools. Document toplevel bootstrap. Document
6763 something more about building an Ada cross-compiler. Don't list GNU Make
6764 requirements which affect all platforms.
6766 2006-02-19 Roger Sayle <roger@eyesopen.com>
6769 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6770 only equivalent if the have both the same mode and precision.
6772 2006-02-20 Ben Elliston <bje@au.ibm.com>
6774 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6776 2006-02-19 Roger Sayle <roger@eyesopen.com>
6777 Steven Bosscher <stevenb.gcc@gmail.com>
6779 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6780 constant pool references to identify stack mode constants.
6781 * rtlanal.c (constant_pool_constant_p): New predicate to check
6782 whether operand is a floating point constant in the pool.
6783 * rtl.h (constant_pool_constant_p): Prototype here.
6784 * loop.c (scan_loop): Avoid hoisting constants from the constant
6785 pool on STACK_REGS targets.
6786 (load_mems): Likewise.
6787 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6788 loads into x87 registers expensive in terms of register pressure.
6790 2006-02-19 Roger Sayle <roger@eyesopen.com>
6792 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6793 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6795 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6797 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6798 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6800 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6802 * doc/invoke.texi: Document -fipa-pta.
6803 * common.opt: Add ipa-pta option.
6804 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6805 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6806 (do_ds_constraint): Ditto.
6807 (get_constraint_for): Only add to referenced_vars if
6808 referenced_vars exists.
6809 (insert_into_field_list): Rewrite to do this unsorted.
6810 (insert_into_field_list_sorted): Rename old insert_into_field_list
6812 (create_function_info_for): Use insert_into_field_list_sorted.
6813 (create_variable_info_for): Rewrite so it uses unsorted version,
6814 since the field list is sorted.
6815 (intra_create_variable_infos): Only add to referenced_vars if
6816 referenced_vars exists.
6817 (ipa_pta_execute): Init heapvars, and delete when done.
6818 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6820 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6822 * doc/install.texi: Add missing `@samp'.
6824 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6826 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6829 2006-02-18 Mark Wielaard <mark@klomp.org>
6831 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6832 who added new 4.1 features, bug fixes and integration support.
6834 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6837 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6840 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6842 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6843 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6844 (copy_insn_1): Likewise. Don't copy each field individually.
6846 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6848 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6849 * rtl.c (rtx_size): Rename variable to...
6850 (rtx_code_size): ...this.
6851 (rtx_size): New function.
6852 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6853 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6855 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6856 * rtl.h (rtx_code_size): New variable.
6857 (rtx_size): Change from a variable to a function.
6858 (RTX_SIZE): Rename to...
6859 (RTX_CODE_SIZE): ...this.
6862 PR tree-optimization/17106
6863 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6864 (Anchored Addresses): New section.
6865 * doc/invoke.texi (-fsection-anchors): Document.
6866 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6867 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6868 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6869 * hooks.c (hook_bool_mode_rtx_false): New function.
6870 * hooks.h (hook_bool_mode_rtx_false): Declare.
6871 * gengtype.c (create_optional_field): New function.
6872 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6873 SYMBOL_REF_IN_BLOCK_P is true.
6874 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6875 (min_anchor_offset, max_anchor_offset): Likewise.
6876 (use_anchors_for_symbol_p): New hook.
6877 * toplev.c (compile_file): Call output_object_blocks.
6878 (target_supports_section_anchors_p): New function.
6879 (process_options): Check that -fsection-anchors is only used on
6880 targets that support it and when -funit-at-a-time is in effect.
6881 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6882 if the decl doesn't have one.
6883 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6884 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6885 of force_const_mem through use_anchored_address.
6886 (expand_expr_constant): New function.
6887 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6888 calling expand_expr for INDIRECT_REF.
6889 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6890 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6891 * expr.h (use_anchored_address): Declare.
6892 * loop-unroll.c: Don't declare rtx vectors here.
6893 * explow.c: Include output.h.
6894 (validize_mem): Call use_anchored_address.
6895 (use_anchored_address): New function.
6896 * common.opt (-fsection-anchors): New switch.
6897 * varasm.c (object_block_htab, anchor_labelno): New variables.
6898 (hash_section, object_block_entry_eq, object_block_entry_hash)
6899 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6900 (use_blocks_for_decl_p, change_symbol_section): New functions.
6901 (get_variable_section): New function, split out from assemble_variable.
6902 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6903 use_blocks_for_decl_p say so. Use change_symbol_section if the
6904 symbol has already been created.
6905 (assemble_variable_contents): New function, split out from...
6906 (assemble_variable): ...here. Don't output any code for
6907 block symbols; just pass them to place_block_symbol.
6908 Use get_variable_section and assemble_variable_contents.
6909 (get_constant_alignment, get_constant_section, get_constant_size): New
6910 functions, split from output_constant_def_contents.
6911 (build_constant_desc): Create a block symbol if use_object_blocks_p
6912 says so. Or into SYMBOL_REF_FLAGS.
6913 (assemble_constant_contents): New function, split from...
6914 (output_constant_def_contents): ...here. Don't output any code
6915 for block symbols; just pass them to place_section_symbol.
6916 Use get_constant_section and get_constant_alignment.
6917 (force_const_mem): Create a block symbol if use_object_blocks_p and
6918 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6919 (output_constant_pool_1): Add an explicit alignment argument.
6920 Don't switch sections here.
6921 (output_constant_pool): Adjust call to output_constant_pool_1.
6922 Switch sections here instead. Don't output anything for block symbols;
6923 just pass them to place_block_symbol.
6924 (init_varasm_once): Initialize object_block_htab.
6925 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6926 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6927 (place_block_symbol, get_section_anchor, output_object_block)
6928 (output_object_block_htab, output_object_blocks): New functions.
6929 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6930 (TARGET_ASM_OUT): Include it.
6931 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6932 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6933 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6934 (TARGET_INITIALIZER): Include them.
6935 * rtl.c (rtl_check_failed_block_symbol): New function.
6936 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6937 (block_symbol, object_block): New structures.
6938 (rtx_def): Add a block_symbol field to the union.
6939 (BLOCK_SYMBOL_CHECK): New macro.
6940 (rtl_check_failed_block_symbol): Declare.
6941 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6942 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6943 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6944 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6945 * output.h (output_section_symbols): Declare.
6946 (object_block): Name structure.
6947 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6948 (default_use_anchors_for_symbol_p): Declare.
6949 * Makefile.in (RTL_BASE_H): Add vec.h.
6950 (explow.o): Depend on output.h.
6951 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6952 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6953 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6954 (rs6000_use_blocks_for_constant_p): New function.
6956 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6958 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6960 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6963 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6966 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6968 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6972 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6975 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6976 instead of DECL_REGISTER.
6978 2006-02-18 Olivier Hainque <hainque@adacore.com>
6981 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6983 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6986 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6987 * opth-gen.awk: Handle Var and InverseMask together.
6988 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6989 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6990 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6991 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6993 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6994 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6995 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6996 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6997 LINUX_DYNAMIC_LINKER): Define.
6998 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6999 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7001 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7002 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7003 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7004 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7005 (TARGET_C99_FUNCTIONS): Don't define.
7006 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7007 GLIBC_DYNAMIC_LINKER.
7008 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7009 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7010 GLIBC_DYNAMIC_LINKER64): Define.
7011 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7012 LINUX_DYNAMIC_LINKER64.
7013 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7014 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7015 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7016 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7017 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7018 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7019 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7020 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7021 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7022 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7023 and LINUX_DYNAMIC_LINKER32.
7024 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7025 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7026 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7027 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7028 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7030 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7031 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7032 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7033 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7034 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7035 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7036 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7037 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7038 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7039 LINUX_DYNAMIC_LINKER): Define.
7040 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7041 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7042 GLIBC_DYNAMIC_LINKER64): Define.
7043 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7044 LINUX_DYNAMIC_LINKER64.
7045 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7046 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7047 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7048 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7049 LINUX_DYNAMIC_LINKER): Define.
7050 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7051 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7052 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7053 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7054 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7055 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7056 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7057 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7058 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7059 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7060 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7061 * doc/invoke.texi (-muclibc): Remove caveat about supported
7064 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7066 * doc/cpp.texi (__TIMESTAMP__): Document.
7068 2006-02-17 Roger Sayle <roger@eyesopen.com>
7071 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7072 C is one less than the width of X (and related transformations).
7073 * simplify-rtx.c (simplify_unary_operation_1): Transform
7074 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7075 depending on STORE_FLAG_VALUE, were C is one less then the
7078 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7080 Fix PR tree-optimization/26341
7081 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7082 about NAME_MEMORY_TAG's.
7084 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7087 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7088 with hardware float support, and software float support. Add fcpy
7089 alternative to hardware patterns. Add alternatives to copy between
7090 general and floating-point registers to the 32-bit pattern.
7091 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7092 secondary reload to load a QI or HI mode constant into a floating
7094 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7095 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7097 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7100 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7102 (load_macho_picbase_di): Likewise.
7104 2006-02-16 Jeff Law <law@redhat.com>
7106 * tree-vrp.c (set_value_range_to_nonnegative): New function.
7107 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
7108 (ssa_name_nonzero_p): Likewise.
7109 (get_value_range): Return NULL if VRP is not running.
7110 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
7111 VRP routines do not discover a range.
7112 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
7113 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
7114 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
7115 (tree_expr_nonnegative_p): Similarly.
7116 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
7117 (restore_nonzero_vars_to_original_value): Remove.
7118 (unsafe_associative_fp_binop): Remove.
7119 (tree_ssa_dominator_optimize): Remove initialization and
7120 finalization of nonzero_vars and nonzero_vars_stack.
7121 (dom_opt_initialize_block): No longer push marker on
7123 (dom_opt_finalize_block): No longer call
7124 restore_nonzero_vars_to_original_value.
7125 (record_equivalences_from_phis): No longer look for
7126 nonzero PHI arguments.
7127 (cprop_into_successor_phis): No longer propagate nonzero
7128 property into PHI arguments. Lose unused argument. Caller
7130 (record_equivalences_from_stmt): No longer record nonzero
7131 values for SSA_NAMEs.
7132 (lookup_avail_expr): No longer use nonzero_vars.
7134 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
7135 for sizetype when sizetype is unsigned.
7137 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
7139 PR rtl-optimization/25603
7140 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
7141 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
7142 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
7143 with new meaning of SETS.
7145 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
7150 * config/linux.opt: New file.
7151 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
7152 LINUX_DYNAMIC_LINKER): Define.
7153 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
7154 * config.gcc (*-*-linux*): Define extra_options.
7155 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
7156 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
7157 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
7158 GLIBC_DYNAMIC_LINKER.
7159 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
7160 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7161 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7162 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7163 * doc/invoke.texi (GNU/Linux Options): New section.
7165 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7167 * config/sparc/sparc.md (setjmp): Rewrite.
7168 (setjmp_32): Delete.
7169 (setjmp_64): Likewise.
7171 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
7173 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
7176 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7178 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
7181 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7183 PR rtl-optimization/26296
7184 * Makefile.in (loop-invariant.c): Add except.h dependency.
7185 * loop-invariant.c: Include except.h.
7186 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
7188 2005-02-16 Paul Brook <paul@codesourcery.com>
7190 * reload1.c (emit_reload_insns): Invalidate dead input registers used
7193 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
7195 PR rtl-optimization/25636
7196 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
7197 when deciding whether an insn is an initializing insn.
7199 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
7201 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
7202 (tree_code_size): Ditto.
7203 * tree.h (struct tree_memory_tag): Remove parent_var.
7204 (struct tree_struct_field_tag): New.
7207 (union tree_node): Add sft member.
7208 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
7210 (create_sft): Add size and offset argument, set SFT_OFFSET and
7212 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
7213 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
7214 * tree-flow-inline.h (get_subvar_at): Update for
7215 SFT_OFFSET/SFT_SIZE.
7216 (var_can_have_subvars): Ditto.
7217 (overlap_subvar): Ditto.
7218 * print-tree.c (print_node): Print out interesting things for
7220 * tree-flow.h (struct subvar): Remove offset and size members.
7221 * tree-ssa-operands.c (get_expr_operands): Update for
7222 get_indirect_ref_operands changes.
7223 (get_indirect_ref_operands): Call add_virtual_operand instead of
7224 add_stmt_operand. Only recurse on base var if requested.
7225 (access_can_touch_variable): New function.
7226 (add_stmt_operand): Split virtual operand handling into ...
7227 (add_virtual_operand): Here. Add offset, size, and for_clobber
7228 arguments. Prune alias sets.
7229 (add_call_clobber_ops): Call add_virtual_operand.
7231 2006-02-15 Jakub Jelinek <jakub@redhat.com>
7234 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
7236 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
7237 than TREE_CODE as index into omp_clause_num_ops array.
7239 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
7241 PR rtl-optimization/26184
7242 * modulo-sched.c (generate_reg_moves): Free bitmap vector
7244 * modulo-sched.c (sms_schedule): Free g_arr pointer.
7245 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
7246 must_precede, must_follow and tobe_scheduled.
7249 * opts.c (common_handle_option): Free new_option pointer.
7250 * df-core.c (df_analyze): Free postorder pointer.
7252 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7254 * Makefile.in: Fix the examples about the use of stamps
7256 2006-02-15 Michael Matz <matz@suse.de>
7260 * stor-layout.c (layout_decl): Zero-width bitfields aren't
7261 influenced by maximum_field_alignment or DECL_PACKED.
7262 (update_alignment_for_field): Ditto.
7263 (place_field): Ditto.
7264 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
7267 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
7269 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
7270 (debug_flow_info): Pass it.
7271 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
7272 * bb-reorder.c (reorder_basic_blocks): Likewise.
7273 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
7274 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
7275 * flow.c (life_analysis, recompute_reg_usage): Likewise.
7276 * gcse.c (gcse_main, bypass_jumps): Likewise.
7277 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
7278 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
7279 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
7280 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
7281 * rtl.h (dump_flow_info): Adjust prototype.
7282 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
7283 * var-tracking.c (variable_tracking_main): Likewise.
7284 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
7285 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
7288 2006-02-15 Marcin Dalecki <martin@dalecki.de>
7290 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
7293 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7295 PR tree-optimization/26209
7296 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
7297 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
7299 * tree-cfg.c (replace_uses_by): Do not alter cfg.
7301 2006-02-14 Roger Sayle <roger@eyesopen.com>
7304 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
7305 (X,Y) and the corresponding symmetry related transformations.
7306 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7307 (X,Y) and its symmetry related transformations.
7309 2006-02-14 Roger Sayle <roger@eyesopen.com>
7311 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
7314 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
7316 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
7318 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7321 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
7322 support COMDAT group.
7323 * configure: Regenerate.
7325 2006-02-14 Roger Sayle <roger@eyesopen.com>
7330 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7332 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7334 Fix PR tree-optimization/26260
7336 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7338 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7339 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7340 * tree-ssa-structalias.c (create_variable_info_for): Use
7341 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7343 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7345 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7347 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7348 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7349 of the ending condition.
7350 * tree-ssa-loop-manip.c: Include params.h.
7351 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
7352 tree_unroll_loop): New functions.
7353 * tree-pass.h (pass_loop_prefetch): Declare.
7354 * loop.c (rest_of_handle_loop_optimize): Test for
7355 -fprefetch-loop-arrays-rtl.
7356 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
7357 * timevar.def (TV_TREE_PREFETCH): New timevar.
7358 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
7359 pass_loop_prefetch): New.
7360 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
7361 (cleanup_tree_cfg_loop): Call scev_reset.
7362 * common.opt (fprefetch-loop-arrays-rtl): Add.
7363 * tree-ssa-loop-prefetch.c: New file.
7364 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
7365 (new_temp_expr_table): Initialize expr_vars.
7366 (free_temp_expr_table): Cleanup expr_vars.
7367 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
7368 expressions from being merged into one.
7369 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
7370 (struct tree_niter_desc): Add control, bound and cmp fields.
7371 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
7373 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
7374 (tree-cfgcleanup.o): Add SCEV_H dependency.
7375 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
7376 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
7378 2006-02-14 Richard Guenther <rguenther@suse.de>
7380 PR tree-optimization/26258
7381 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
7382 in PHI argument processing.
7384 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
7386 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
7387 new expression in the requested machine mode.
7389 2006-02-13 Roger Sayle <roger@eyesopen.com>
7391 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
7392 directly, instead let do_compare_rtx_and_jump handle this for us.
7393 * expr.c (expand_expr_real_1): Likewise.
7394 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
7395 before do_jump_by_parts_greater.
7396 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
7397 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
7399 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7401 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
7403 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7405 PR rtl-optimization/26235
7406 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
7407 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
7410 2006-02-13 Jeff Law <law@redhat.com>
7412 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
7415 2006-02-13 Jakub Jelinek <jakub@redhat.com>
7418 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
7419 twice if decl is a builtin. When trying again, call get_callee_fndecl
7420 first to verify it is still a builtin.
7422 2006-02-13 Geoffrey Keating <geoffk@apple.com>
7424 * dwarf2out.c (base_type_die): Don't add AT_name here.
7425 (subrange_type_die): Don't add AT_name here.
7426 (modified_type_die): Rearrange code flow. Do add AT_name here.
7428 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7430 PR rtl-optimization/26247
7431 PR rtl-optimization/26248
7432 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7434 2006-02-13 Richard Sandiford <richard@codesourcery.com>
7436 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
7437 * config/fixtfdi.c: Likewise.
7438 * config/fixunstfdi.c: Likewise.
7439 * config/floatditf.c: Likewise.
7441 2006-02-13 Roger Sayle <roger@eyesopen.com>
7444 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7445 into (X,C2) if C1 is a subset of the bits of C2. Transform
7446 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7448 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7450 2006-02-13 Josh Conner <jconner@apple.com>
7453 * varasm.c (function_section): Check for section name before
7454 calling select_section on targets that define
7455 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7456 unlikely_text_section instead of hot_function_section if
7457 first_function_block_is_cold.
7459 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7462 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7464 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7466 PR rtl-optimization/26222
7467 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7468 after tree->rtl expansion.
7469 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7470 before passing it to emit_move_insn.
7472 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7474 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7476 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7477 Clarify documentation.
7478 * c-common.h (warn_write_strings): Remove.
7479 * c-common.c (warn_write_strings): Likewise.
7480 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7483 2006-02-12 Roger Sayle <roger@eyesopen.com>
7486 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7487 (do_jump_parts_zero_rtx): New function renamed from
7488 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7489 (do_jump_parts_equality_rtx): New function split out from
7490 do_jump_parts_equality. Old implementation renamed as above.
7491 Call do_jump_parts_zero_rtx if either operand is zero.
7492 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7493 do all of the heavy lifting.
7494 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7495 calling either do_jump_by_parts_greater_rtx or
7496 do_jump_by_parts_equality_rtx.
7497 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7498 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7499 moved to do_compare_rtx_and_jump, call it directly.
7500 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7501 mode argument. Call do_compare_rtx_and_jump.
7502 (emit_case_nodes): Update calls to do_jump_if_equal.
7504 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7506 PR rtl-optimization/26225
7507 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7509 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7511 PR rtl-optimization/26232
7512 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7514 2006-02-11 Jason Merrill <jason@redhat.com>
7517 * tree-inline.c (declare_return_variable): Just don't use the
7518 modify target if it's a gimple complex reg and the return slot
7521 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7523 * doc/contrib.texi: Update my entry.
7525 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7527 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7529 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7531 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7534 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7536 * doc/invoke.texi (-floop-optimize2): Removed.
7537 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7538 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7539 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7540 * common.opt (floop-optimize2): Removed.
7541 (fmove-loop-invariants): Enabled by default.
7543 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7545 * tree-if-conv.c (combine_blocks): Free the result of
7546 get_loop_exit_edges.
7548 2006-02-10 Jeff Law <law@redhat.com>
7550 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7552 PR tree-optimization/26213
7553 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7554 loop trying to follow SSA_NAME_VALUE chains.
7556 2006-02-10 Richard Guenther <rguenther@suse.de>
7558 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7559 deal with structures that end in implicitly variable sized arrays.
7561 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7563 PR rtl-optimization/24762
7564 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7567 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7569 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7570 (struct ivopts_data): Add regs_used field.
7571 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7572 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7573 instead of loop_data->regs_used;
7574 (free_loop_data): Do not free aux fields for loops.
7575 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7576 and tree_ssa_iv_optimize_finalize.
7578 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7580 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7582 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7585 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7586 computing the effective result type.
7588 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7591 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7592 (tree_overlaps_hard_reg_set): Declare.
7593 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7594 type and signature to match function type expected by walk_tree.
7595 (tree_overlaps_hard_reg_set): New function.
7596 (decl_conflicts_with_clobbers_p): Rename to:
7597 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7598 Use tree_overlaps_hard_reg_set. Changed caller.
7599 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7600 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7601 * cris.c (cris_md_asm_clobbers): Likewise.
7603 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7605 * reload1.c (emit_input_reload_insns): Delete code that tries to
7606 inherit using find_equiv_reg.
7608 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7610 * c-common.h (flag_const_strings): Don't declare.
7611 * c-common.c (flag_const_strings): Remove.
7612 * c.opt (fconst_strings): Remove.
7613 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7614 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7615 (c_common_init_options): Don't set flag_const_strings.
7616 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7618 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7620 * arm.md (tlobits_cbranch): New pattern.
7621 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7622 testing a single bit.
7624 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7627 * tree-ssa-pre.c (create_component_ref_by_pieces):
7628 Handle RETURN_DECL like VAR_DECL.
7630 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7633 * fold-const.c (fold_indirect_ref_1): Fold
7634 "*(foo *)&complexfoo" to "__real__ complexfoo"
7635 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7637 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7639 * tree-flow-inline.h (var_can_have_subvars):
7640 Volatile variables should not have subvariables.
7642 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7645 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7646 multiplying unsigned values.
7649 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7651 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7653 2006-02-08 Jason Merrill <jason@redhat.com>
7656 * tree.def: Elaborate on difference from MODIFY_EXPR.
7657 * doc/c-tree.texi (INIT_EXPR): Likewise.
7658 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7659 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7660 (gimplify_target_expr): Likewise.
7661 (gimplify_cond_expr): Remove target handling.
7662 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7663 (gimplify_expr): Clobber it here.
7664 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7665 Do return slot optimization if we have an INIT_EXPR.
7668 * tree-inline.c (declare_return_variable): Also clear
7669 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7672 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7675 * gimplify.c (gimplify_one_sizepos): Fix typo.
7677 2006-02-08 Jeff Law <law@redhat.com>
7679 PR tree-optimization/21417
7680 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7681 across a backedge if the control statement at the end of the
7682 block is data dependent on other statements in the same block.
7683 (record_temporary_equivalences_from_stmts): Remove over-conservative
7684 test for threading across backedges.
7686 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7687 control statement, handle all three special cases in the same
7688 manner as they all have the same desired solution. No longer
7689 special case edge flag updating when the post dominator is
7692 2006-02-08 Roger Sayle <roger@eyesopen.com>
7694 * tree.def (CHAR_TYPE): Remove.
7695 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7696 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7697 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7698 (gen_string_type_die): Delete unreachable function.
7700 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7701 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7702 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7703 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7704 * builtins.c (type_to_class): Likewise.
7705 * fold-const.c (fold_convert, build_range_check,
7706 merge_ranges): Likewise.
7707 * expr.c (count_type_elements): Likewise.
7708 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7709 * stor-layout.c (layout_type): Likewise.
7710 * ipa-type-escape.c (type_to_consider): Likewise.
7711 * gimplify.c (omp_firstprivatize_type_sizes,
7712 gimplify_type_sizes): Likewise.
7713 * explow.c (promote_mode): Likewise.
7714 * tree-sra.c (is_sra_scalar_type): Likewise.
7715 * varasm.c (output_constant): Likewise.
7716 * tree-inline.c (remap_type_1): Likewise.
7717 * convert.c (convert_to_pointer, convert_to_real,
7718 convert_to_integer, convert_to_complex): Likewise.
7720 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7722 * df-scan.c (df_def_record_1): A set destination may
7723 be a parallel regardless of mode.
7725 2006-02-08 Roger Sayle <roger@eyesopen.com>
7728 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7729 * config/mips/_tilib.c: Remove.
7730 * config/fixtfdi.c: New libgcc source file.
7731 * config/fixunstfdi.c: New source file.
7732 * config/floatditf.c: New source file.
7733 * config/floatunditf.c: New souce file.
7734 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7735 files above instead of config/mips/_tilib.c.
7736 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7738 2006-02-08 Jeff Law <law@redhat.com>
7740 PR tree-optimization/26169
7741 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7744 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7746 * df.h (DF_REG_SIZE): Return the length of the initialized
7749 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7751 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7752 __muldf3): Return a correctly signed zero.
7754 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7756 * passes.c (register_one_dump_file): Accept the current properties
7757 instead of pass number. Adjust call to dump_register. Remove
7759 (register_dump_files): Now a wrapper around...
7760 (register_dump_files_1): ... this one. Do not modify the pass
7762 (next_pass_1): Cosmetic fix.
7763 (execute_todo): Keep second parameter only. Use curr_properties
7764 instead of fetching it from the pass structure. Check and set
7766 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7767 instead of fetching it from the pass structure. Fix calls to
7768 execute_todo. Update curr_properties and initialize .vcg RTL dump
7769 after running the pass. Reset last_verified.
7770 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7772 (FIRST_AUTO_NUMBERED_DUMP): New.
7773 (dump_register): Remove "num" parameter, assign it within the
7775 (get_dump_file_name): Modify template for dumps.
7776 * tree-dump.h (dump_register): Adjust prototype.
7777 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7778 (PROP_trees): Add PROP_gimple_lomp.
7779 (TODO_set_props): New.
7780 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7781 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7782 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7784 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7786 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7787 (sparc64-*-linux*): Likewise.
7788 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7789 * config/sparc/t-linux: New file.
7790 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7791 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7792 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7793 -m32 -mlong-double-128.
7795 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7796 * config/alpha/t-linux: New file.
7797 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7799 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7800 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7801 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7802 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7803 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7804 (CPP_ARCH32_SPEC): Remove.
7806 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7808 PR tree-optimization/26145
7809 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7812 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7815 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7816 >= 240000 when generating code for SOM runtime.
7817 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7818 to $$dyncall when generating code for SOM runtime..
7820 2006-02-07 Dirk Mueller <dmueller@suse.com>
7823 * doc/invoke.texi (-Wsequence-point): Update documentation
7824 that -Wsequence-point is implemented for C++ as well.
7826 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7828 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7829 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7830 (LIB_SPEC): Likewise.
7831 * doc/invoke.texi (SPARC options): Document -pthread.
7833 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7835 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7838 2006-02-07 Roger Sayle <roger@eyesopen.com>
7840 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7841 Correct comment describing BOOLEAN_TYPE.
7843 2006-02-07 Dirk Mueller <dmueller@suse.com>
7845 * c.opt: C++ frontend supports -Wdiv-by-zero.
7846 * c-opts.c (c_common_handle_option): Remove dead case.
7848 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7850 * configure.ac (TLS assembler check): Do not enable TLS by
7851 default on SPARC/Solaris before version 10.
7852 * configure: Regenerate.
7854 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7856 * doc/invoke.texi (xl-compat): Document conversion and support
7859 2006-02-07 Jeff Law <law@redhat.com>
7861 * tree-vrp.c (find_conditional_asserts): Update comments.
7862 (simplify_stmt_for_jump_threading): New.
7863 (identify_jump_threads, finalize_jump_threads): New.
7864 (vrp_finalize): Call identify_jump_threads.
7865 (execute_vrp): Call finalize_jump_threads.
7866 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7867 (vrp_element, vrp_data, vrp_element_p): Remove.
7868 (vrp_hash_elt, vrp_variables_stack): Remove.
7869 (vrp_hash, vrp_eq, record_range): Remove.
7870 (simplify_cond_and_lookup_avail_expr): Remove.
7871 (extract_range_from_cond): Remove.
7872 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7873 (simplify_stmt_for_jump_threading): New.
7874 (dom_thread_across_edge): New wrapper.
7875 (tree_ssa_dominator_optimize): No longer initialize or
7876 finalize any of the VRP datastructures. Remove iteration
7877 step and simplify as a result of removal of iteration step.
7878 (pass_dominator): Perform a cfg cleanup after DOM.
7879 (dom_opt_finalize_block): Use the new common routines
7880 for threading jumps. Simplify stack management slightly.
7881 No longer need to unwind VRP state.
7882 (record_equivalences_from_incoming_edge): No longer record
7884 (eliminate_redundant_computations): No longer call
7885 simplify_cond_and_lookup_avail_expr.
7886 * tree-flow.h (potentially_threadable_block): Prototype.
7887 (thread_across_edge): Likewise.
7888 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7889 (tree-ssa-threadedge.o): Add dependencies.
7890 * tree-ssa-threadedge.c: New file.
7891 * passes.c (init_optimization_passes): Merge PHIs before
7892 calling VRP. Run VRP again late in the SSA optimization pipeline.
7894 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7896 * df-core.c (df_set_blocks): Do not dereference function pointers.
7897 (df_finish1): Likewise.
7898 (df_hybrid_search_forward): Likewise.
7899 (df_hybrid_search_backward): Likewise.
7900 (df_iterative_dataflow): Likewise.
7901 (df_analyze_problem): Likewise.
7902 (df_compact_blocks): Likewise.
7903 (df_dump): Likewise.
7904 * df-scan.c (df_rescan_blocks): Likewise.
7905 (df_record_entry_block_defs): Likewise.
7907 * genconditions.c (write_conditions): Guard the definition of
7908 'insn_conditions' with the check on GCC version.
7909 (write_writer): Guard the traversal 'insn_conditions' with
7910 the check on GCC version.
7912 2006-02-07 Richard Guenther <rguenther@suse.de>
7916 2006-01-30 Richard Guenther <rguenther@suse.de>
7918 * gimplify.c (gimplify_target_expr): Handle easy cases
7919 without creating a temporary.
7921 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7923 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7924 use of float in probability computations. Use edge probabilities
7925 in place of statically computed probabilities.
7926 (min_spec_prob): New static variable.
7927 (schedule_insns): Initialize it.
7928 (GET_SRC_PROB): Removed.
7929 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7931 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7934 * config/ia64/unwind-ia64.c: Revert last change.
7935 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7936 (INCOMING_FRAME_SP_OFFSET): Define.
7938 2006-02-06 Roger Sayle <roger@eyesopen.com>
7940 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7942 2006-02-07 Ben Elliston <bje@au.ibm.com>
7944 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7945 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7946 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7947 (ix86_return_in_memory): Handle TDmode.
7948 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7949 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7951 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7953 * reorg.c (dbr_schedule): Use dump_file instead of file.
7955 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7958 * config/ia64/predicates.md (extr_len_operand): New predicate.
7959 * config/ia64/ia64.md (extv): Tighten constraints.
7961 (*tbit_and_2): Ditto.
7962 (*tbit_and_3): Ditto.
7963 (*tbit_or_2): Ditto.
7964 (*tbit_or_3): Ditto.
7968 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7971 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7973 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7975 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7976 loop_optimizer_init and loop_optimizer_finalize
7977 * tree-ssa-sink.c (execute_sink_code): Ditto.
7978 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7979 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7980 tree_ssa_loop_done): Ditto.
7981 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7982 * sched-ebb.c: Include output.h.
7983 (schedule_ebbs): Do not use dump argument.
7984 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7985 * loop.c (loop_dump_stream): Removed.
7986 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7988 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7989 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7990 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7991 loop_iterations, strength_reduce, record_biv, record_giv,
7992 final_giv_value, check_final_value, check_ext_dependent_givs,
7993 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7994 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7995 dump_file instead of loop_dump_stream.
7996 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7998 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8000 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8001 * haifa-sched.c: Include output.h
8002 (schedule_insns, sched_init): Do not use dump argument.
8003 * mode-switching.c (optimize_mode_switching): Ditto.
8004 * modulo-sched.c (stats_file): Removed.
8005 (print_node_sched_params): Do not call argument dump_file.
8006 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8007 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8009 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8011 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8012 rtl_loop_init, rtl_loop_done): Ditto.
8013 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8014 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8016 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8017 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8018 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8019 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8020 * emit-rtl.c (renumber_insns): Ditto.
8021 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8022 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8023 * regclass.c (regclass): Ditto.
8024 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8025 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8026 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8027 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8029 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8030 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8032 * gcse.c (gcse_file, debug_stderr): Removed.
8033 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8034 rest_of_handle_gcse): Do not use dump argument.
8035 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8036 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8037 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8038 compute_code_hoist_vbeinout, compute_code_hoist_data,
8039 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8040 compute_store_table, build_store_vectors, insert_insn_start_bb,
8041 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8042 store_motion): Use dump_file instead of gcse_file.
8043 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8044 * profile.c (profile_dump_file): Removed.
8045 (branch_prob): Use dump_file instead of profile_dump_file.
8046 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8048 * tree-ssa-copy.c (dump_copy_of): Ditto.
8049 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8050 dump file to life_analysis.
8051 * bt-load.c (branch_target_load_optimize): Ditto.
8052 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8054 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8055 regclass, dbr_schedule): Declaration changed.
8056 * sched-int.h (sched_init): Declaration changed.
8057 * tree-profile.c (tree_profile_dump_file): Removed.
8058 (tree_profile_hooks): Removed profile_dump_file hook.
8059 * rtl-profile (rtl_profile_dump_file): Removed.
8060 (rtl_profile_hooks): emoved profile_dump_file hook.
8061 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8063 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8064 * tree-cfg.c (build_tree_cfg): Ditto.
8065 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8066 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8067 Declaration changed.
8068 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8069 life_analysis and schedule_insns.
8070 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8072 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8074 * config/mips/mips.c (mips_reorg): Ditto.
8075 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8078 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8080 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8081 (s390_mangle_fundamental_type): New.
8082 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8085 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8086 (alpha_mangle_fundamental_type): New.
8087 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8090 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8092 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8094 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8095 (sparc_mangle_fundamental_type): New.
8097 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8099 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8100 (s390x-*-linux*): Likewise.
8101 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8102 * config/s390/t-linux: New file.
8104 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8106 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
8107 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
8109 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
8111 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
8112 (ANTIC_SAFE_LOADS): New macro.
8113 (find_or_generate_expression): Add prototype.
8114 (set_contains_value): Allow null set for sake of not always having
8115 to allocate ANTIC_SAFE_LOADS.
8116 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
8117 Allow COMPONENT_REF too.
8118 (valid_in_set): Allow COMPONENT_REF.
8119 Check ANTIC_SAFE_LOADS too.
8120 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
8121 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
8123 (can_PRE_operation): Add COMPONENT_REF.
8124 (create_component_ref_by_pieces): New function.
8125 (create_expression_by_pieces): Use create_component_ref_by_pieces.
8126 (insert_aux): Move AGGREGATE_TYPE_P check here.
8127 (compute_avail): Set bb local stmt uids.
8128 (pass_pre): Use TODO_update_ssa_only_virtuals.
8130 2006-02-06 Ben Elliston <bje@au.ibm.com>
8132 * configure.ac: Unconditionally disable decimal float by default.
8133 * configure: Regenerate.
8135 2006-02-06 Ben Elliston <bje@au.ibm.com>
8137 * read-rtl.c (read_name): Terminate reading on EOF.
8139 2006-02-06 Ben Elliston <bje@au.ibm.com>
8141 * dfp.c (decimal_real_arithmetic): Change second argument type
8142 from int to enum tree_code. Do not always return true, but now
8143 return result of any call to decimal_do helper functions.
8144 * dfp.h (decimal_real_arithmetic): Update prototype.
8146 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
8148 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
8150 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
8153 * tree-cfg.c (cleanup_dead_labels): Also don't remove
8156 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8158 * tree-vrp.c (cfg_loops): Removed.
8159 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
8160 Use current_loops instead of cfg_loops. Pass flags to
8161 loop_optimizer_init.
8162 * cfgloopmanip.c (fix_loop_structure): Update only available
8164 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
8165 loop_optimizer_init.
8166 * modulo-sched.c (build_loops_structure): Removed.
8167 (sms_schedule): Use loop_optimizer_init.
8168 * loop-init.c (loop_optimizer_init): Use flags to determine
8169 which properties of loops to prepare.
8170 (rtl_loop_init): Pass flags to loop_optimizer_init.
8171 * tree-ssa-sink.c (execute_sink_code): Ditto.
8172 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8173 * tree-ssa-pre.c (init_pre): Ditto.
8174 * cfgloop.h (LOOPS_NORMAL): New.
8175 (loop_optimizer_init): Declaration changed.
8177 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8179 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
8180 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
8182 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
8184 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
8186 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
8187 * pa/t-pa64: Delete quadlib.c rule.
8188 * pa/x-ada: Revert last change.
8189 * pa/t-pa: Revert last change. Delete quadlib.c rule.
8191 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8193 PR rtl-optimization/26087
8194 * rtlanal.c (canonicalize_condition): Do not cross basic block
8197 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
8200 * config/ia64/ia64.c: Include debug.h.
8201 (MAX_ARTIFICIAL_LABEL_BYTES): New.
8202 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
8203 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
8204 (process_epilogue, process_set, process_for_unwind_directive):
8205 Output unwind info only if requested. Add CFA info if requested.
8206 Add new arguments as needed. Adjust callers.
8207 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
8209 (DWARF2_FRAME_INFO): Define to zero.
8210 * config/ia64/unwind-ia64.c: Remove code that compensated for
8211 the CFA offset error fixed above.
8212 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
8213 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
8214 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
8215 -funwind-tables and -fexceptions to enable frame info.
8216 (dwarf2out_frame_init): Define initial CFA even if
8217 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
8218 DWARF2_UNWIND_INFO is nonzero, not just defined.
8219 (dwarf2out_frame_finish): Output non-EH call frame info only
8220 if DWARF2_FRAME_INFO is nonzero.
8221 (convert_cfa_to_loc_list,
8222 compute_frame_pointer_to_cfa_displacement): Define even if
8223 unwind info is not supported.
8224 (gen_subprogram_die): Use the above unconditionally. Remove
8225 legacy alternate code.
8226 * toplev.c (compile_file): Compile in call to
8227 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
8228 (lang_dependent_init): Ditto for dwarf2out_frame_init.
8230 2006-02-04 David Edelsohn <edelsohn@gnu.org>
8231 Jakub Jelinek <jakub@redhat.com>
8233 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
8234 IBM extended float format long double as "g" on powerpc*-linux.
8236 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8239 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
8240 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
8242 2006-02-03 Jason Merrill <jason@redhat.com>
8245 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
8248 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
8249 on the return slot if it's an NRV.
8251 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
8253 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
8254 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
8255 rewrite_use): Do not handle USE_OUTER.
8256 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
8257 add_iv_outer_candidates, may_replace_final_value,
8258 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
8259 (find_interesting_uses_op): Functionality of
8260 find_interesting_uses_outer_or_nonlin moved here.
8261 (find_interesting_uses_outside): Use find_interesting_uses_op.
8263 2006-02-03 Alan Modra <amodra@bigpond.net.au>
8266 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
8268 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
8269 Ulrich Weigand <uweigand@de.ibm.com>
8272 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
8273 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
8274 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
8275 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
8277 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
8278 (s390_rtx_costs): Use the new fields to calculate rtx costs.
8279 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
8280 Define secondary reloads for TFmode moves.
8281 (constant_modes): Add TFmode.
8282 (NR_C_MODES): Set to 8.
8283 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
8285 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
8286 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
8287 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
8288 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
8289 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
8290 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
8291 (FPR mode macro): Add TFmode.
8292 (DSF mode macro): New.
8293 (<de>, <dee> mode attributes): Removed.
8294 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
8295 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
8296 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
8297 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
8298 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
8299 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
8300 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
8301 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
8302 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
8303 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
8304 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
8305 "*negabs<mode>2", "sqrt<mode>2"):
8306 Changed <de> to <xde>. R constraint replaced by <Rf>.
8307 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
8309 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
8310 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
8311 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
8313 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
8314 "extenddftf2", "extendsftf2"): New expanders.
8315 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
8316 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
8317 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
8318 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
8320 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
8321 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
8322 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
8323 __floatditf): Add a GCC_4.1.0 symbol version tag.
8324 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
8327 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
8330 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8331 Use targetm.binds_local_p instead of TREE_PUBLIC.
8333 2006-02-02 Roger Sayle <roger@eyesopen.com>
8335 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8336 on INTEGER_TYPEs to indicate that it denotes a character type.
8337 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8338 signed_char_type_node, unsigned_char_type_node and char_type_node.
8339 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8340 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8341 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8343 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8344 Daniel Berlin <dberlin@dberlin.org>
8346 * tree-tailcall.c (arg_needs_copy_p): New function.
8347 (eliminate_tail_call): Use arg_needs_copy_p.
8348 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8349 (add_virtual_phis): New function.
8351 2006-02-02 Jakub Jelinek <jakub@redhat.com>
8353 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
8354 #ignore instead of #scratch for %g7 .register directive.
8356 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
8358 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
8361 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8363 * flow.c (calculate_global_regs_live): Assert that there aren't any
8366 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8368 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
8370 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
8371 bsi_after_labels iterator.
8372 * tree-if-conv.c (find_phi_replacement_condition,
8373 replace_phi_with_cond_modify_expr): Likewise.
8374 * tree-scalar-evolution.c (scev_const_prop): Likewise.
8375 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
8377 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8379 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
8381 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8384 * tree-cfg.c (move_block_to_fn): Clear out the basic block
8385 array after growing it.
8387 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8390 * fold-const.c (fold_checksum_tree): Change type of buf.
8392 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
8394 * reload.c (push_secondary_reload): Initialize t_icode.
8396 2006-02-01 Jakub Jelinek <jakub@redhat.com>
8398 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8399 -msoft-float -mlong-double-128 only issue a warning, but don't
8400 swich to DFmode long double.
8402 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
8404 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
8405 has a constant equivalent, iterate over equivalents for arg0,
8406 calling simplify_relational_operation and if there's a result
8407 cheaper than X, apply fold_rtx and return the result.
8409 2006-02-01 Jan Hubicka <jh@suse.cz>
8411 * opts.c (no_unit_at_a_time_default): New global variable.
8412 (decode_options): Use it.
8413 * opts.h (no_unit_at_a_time_default): Declare.
8415 2006-02-01 Paul Brook <paul@codesourcery.com>
8417 * function.c (assign_parm_setup_reg): Use function argument promotion
8419 * expr.c (expand_expr_real_1): Use function argument promotion rules
8422 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8424 * gcc.c (process_command): Change j to 'unsigned int'.
8426 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8429 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
8430 Use the corrected index for the character
8431 out of the string constant.
8433 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8435 * mode-switching.c (optimize_mode_switching): Fix size
8436 allocated for bb_info[n_entities].
8438 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8440 * gcc.c (main): Correct type that is allocated for
8441 explicit_link_files.
8443 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8445 * config/s390/s390.c (init_alignment_context): Set
8446 ALIAS_SET_MEMORY_BARRIER on the MEM.
8447 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8449 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8452 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8454 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8457 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8459 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8460 * regrename.c: Ditto.
8461 * tree-ssa-loop-im.c: Ditto.
8462 * tree-dump.c: Ditto.
8463 * tree-complex.c: Ditto.
8464 * genrecog.c: Ditto.
8465 * tree-ssa-threadupdate.c: Ditto.
8467 * java/class.c: Ditto.
8468 * java/jcf-parse.c: Ditto.
8469 * java/resource.c: Ditto.
8470 * java/except.c: Ditto.
8471 * java/jvspec.c: Ditto.
8472 * java/jcf-write.c: Ditto.
8473 * java/jcf-path.c: Ditto.
8474 * java/gjavah.c: Ditto.
8475 * java/zextract.c: Ditto.
8476 * java/jcf-io.c: Ditto.
8477 * java/jcf.h: Ditto.
8478 * java/buffer.c: Ditto.
8479 * java/lang.c: Ditto.
8480 * java/parse-scan.y: Ditto.
8481 * java/lex.c: Ditto.
8482 * java/lex.h: Ditto.
8483 * cfgloopmanip.c: Ditto.
8484 * postreload-gcse.c: Ditto.
8485 * tree-ssa-loop-manip.c: Ditto.
8486 * postreload.c: Ditto.
8487 * tree-ssa-loop-ch.c: Ditto.
8491 * diagnostic.c: Ditto.
8493 * genoutput.c: Ditto.
8495 * cfghooks.c: Ditto.
8496 * cfgloopanal.c: Ditto.
8497 * objc/objc-act.c: Ditto.
8499 * genextract.c: Ditto.
8500 * genautomata.c: Ditto.
8501 * pretty-print.c: Ditto.
8503 * cgraphunit.c: Ditto.
8506 * haifa-sched.c: Ditto.
8507 * dominance.c: Ditto.
8509 * tree-ssa-loop-ivopts.c: Ditto.
8511 * mode-switching.c: Ditto.
8512 * modulo-sched.c: Ditto.
8514 * ipa-pure-const.c: Ditto.
8516 * fix-header.c: Ditto.
8518 * tree-stdarg.c: Ditto.
8519 * ipa-utils.c: Ditto.
8520 * loop-init.c: Ditto.
8521 * ipa-inline.c: Ditto.
8524 * alloc-pool.c: Ditto.
8525 * dwarf2out.c: Ditto.
8527 * genattrtab.c: Ditto.
8528 * tree-ssa-loop-ivcanon.c: Ditto.
8532 * fortran/gfortranspec.c: Ditto.
8534 * local-alloc.c: Ditto.
8535 * langhooks.c: Ditto.
8536 * function.c: Ditto.
8537 * tree-vectorizer.c: Ditto.
8539 * ipa-type-escape.c: Ditto.
8541 * tree-if-conv.c: Ditto.
8544 * tree-data-ref.c: Ditto.
8545 * loop-unroll.c: Ditto.
8546 * treelang/treetree.c: Ditto.
8549 * ggc-common.c: Ditto.
8551 * coverage.c: Ditto.
8553 * tree-cfgcleanup.c: Ditto.
8554 * tree-ssa-pre.c: Ditto.
8555 * cfgcleanup.c: Ditto.
8556 * loop-invariant.c: Ditto.
8558 * ipa-prop.c: Ditto.
8559 * print-tree.c: Ditto.
8560 * conflict.c: Ditto.
8561 * ggc-page.c: Ditto.
8562 * sched-deps.c: Ditto.
8563 * regclass.c: Ditto.
8564 * tree-object-size.c: Ditto.
8566 * bb-reorder.c: Ditto.
8567 * resource.c: Ditto.
8568 * var-tracking.c: Ditto.
8570 * df-problems.c: Ditto.
8571 * reg-stack.c: Ditto.
8574 * sched-rgn.c: Ditto.
8575 * tree-ssa-structalias.c: Ditto.
8576 * tree-ssa-reassoc.c: Ditto.
8577 * config/darwin-c.c: Ditto.
8578 * config/darwin.c: Ditto.
8579 * config/arm/arm.c: Ditto.
8581 * collect2.c: Ditto.
8584 2006-01-31 Nicolas Pitre <nico@cam.org>
8586 * arm.md (smaxsi3): Make aware of smax_m1.
8589 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8591 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8593 2006-01-31 Richard Guenther <rguenther@suse.de>
8595 * doc/invoke.texi (-msselibm): Document.
8596 * target.h (expand_library_builtin): New target hook.
8597 * builtins.c (expand_builtin): Use expand_library_builtin.
8598 (default_expand_library_builtin): New function.
8599 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8600 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8601 (link_gcc_math_spec): Declare.
8602 (static_specs): Add link_gcc_math_spec.
8603 * expr.h (default_expand_library_builtin): Declare.
8604 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8605 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8606 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8607 * config/i386/i386.opt (msselibm): New target option.
8608 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8609 (ix86_init_sse_abi_builtins): New function.
8610 (ix86_expand_library_builtin): Likewise.
8611 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8612 (override_options): Handle error conditions wrt -msselibm.
8613 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8614 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8615 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8618 2006-01-31 Richard Guenther <rguenther@suse.de>
8619 Paolo Bonzini <bonzini@gnu.org>
8621 * doc/install.texi (--disable-libgcc-math): Document.
8623 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8625 * expr.h (expand_normal): new inline function.
8626 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8628 * dwarf2out.c: use it.
8633 * config/sparc/sparc.c: use it.
8634 * config/i386/i386.c: use it.
8635 * config/rs6000/rs6000.c: use it.
8636 * config/arm/arm.c: use it.
8637 * config/mips/mips.c: use it.
8638 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8640 2006-01-30 Roger Sayle <roger@eyesopen.com>
8642 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8643 argv to the appropriate type.
8645 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8647 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8650 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8653 * config/s390/s390.c (struct machine_function): New flag
8654 decomposed_literal_pool_addresses_ok_p.
8655 (s390_reorg): Set it before final stage of literal pool transforms.
8656 (s390_decompose_address): Only accept displacements of the form
8657 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8659 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8661 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8662 the comparison routine return.
8664 2006-01-30 Michael Matz <matz@suse.de>
8666 * global.c (find_reg): Only evict for global regs.
8667 Take n_refs into account and dump more info.
8669 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8672 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8673 (pragma_trap, pragma_nosave_low_regs): Likewise.
8674 (current_function_anonymous_args): Likewise.
8675 (sh_deferred_function_attributes): New variable.
8676 (sh_deferred_function_attributes_tail): Likewise.
8677 (print_operand): For '@', look up trap_exit attribute.
8678 (calc_live_regs): Look up trapa_handler attribute. For trapa
8679 handlers, save/restore fpscr, but don't do any other
8680 interrupt-specific saves.
8681 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8682 Fix check for partially saved registers to check for SHmedia.
8683 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8684 (sh_output_function_epilogue): Don't clear any of the removed
8686 (sh_insert_attributes): Don't check pragma_interrupt.
8687 Insert deferred attributes. Check that interrupt attribute is
8688 present for other attributes that require its presence.
8689 (sh_attribute_table): Add new attributes trapa_handler and
8691 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8692 Don't check for pragma_interrupt. Don't store argument.
8693 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8694 (sh_deferred_function_attributes): Declare.
8695 (sh_deferred_function_attributes_tail): Likewise.
8696 * sh.md (sp_switch_1): Add operand. Change generator caller.
8697 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8698 (*return_i): Don't use when trap_exit attribute is in effect.
8699 (*return_trapa): New insn pattern.
8701 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8702 setting c_target_objs and cxx_target_objs.
8703 * t-sh: Add rule for sh-c.o.
8705 2006-01-30 Richard Guenther <rguenther@suse.de>
8708 * gimplify.c (gimplify_target_expr): Handle easy cases
8709 without creating a temporary.
8711 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8713 * vec.h (safe_grow): Remove duplicated line.
8715 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8718 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8719 (expand_omp): ... here.
8720 (expand_omp_parallel): Only remove barriers for combined
8721 parallel+workshare constructs.
8723 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8727 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8728 * tree.c (build_qualified_type): Chain the new type to the original
8729 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8730 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8731 (build_pointer_type_for_mode): Only return unqualified types.
8732 (build_reference_type_for_mode): Likewise.
8734 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8736 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8737 * Makefile.in (CXX_COMPAT_WARN): Define.
8738 * configure: Regenerate.
8740 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8743 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8746 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8748 * toplev.c: Fix thinko.
8750 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8751 Marcin Dalecki <martin@dalecki.de>
8753 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8754 (push_srcloc): Use XNEW.
8755 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8757 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8759 * df-core.c (df_set_blocks): Deleted all variable.
8761 2006-01-28 Ian Lance Taylor <ian@airs.com>
8763 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8764 cgraph_output_pending_asms.
8766 2006-01-28 Zack Weinberg <zackw@panix.com>
8768 * c.opt: Add -W(no-)overlength-strings.
8769 * doc/invoke.texi: Document it.
8770 * c-opts.c (c_common_handle_option): -pedantic implies
8771 -Woverlength-strings, if not explicitly disabled already.
8772 (c_common_post_options): -Woverlength-strings defaults to off, and
8773 is always off for C++.
8774 * c-common.c (fix_string_type): Issue warning about strings longer
8775 than is portable only if warn_overlength_strings. Rearrange code
8776 a little for clarity.
8777 * configure.in: Check for -Wno-overlength-strings as well before
8778 enabling -pedantic in stage 1.
8779 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8780 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8782 * genconditions.c (write_header, write_one_condition)
8783 (write_conditions, write_writer): Consolidate very long strings
8784 that were broken up to fit in C89 portable limit. Don't use
8785 printf when fputs will do.
8787 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8789 * combine.c (simplify_comparison <AND>): Check
8790 TRULY_NOOP_TRUNCATION before start using a subreg.
8792 * config/mips/mips.md (*branch_zero<mode>,
8793 *branch_zero<mode>_inverted, *branch_equality<mode>,
8794 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8795 Remove mode check from comparisons.
8797 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8799 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8801 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8803 * expmed.c (const_mult_add_overflow_p): Remove.
8804 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8806 * recog.c (validate_replace_rtx_subexp): Remove.
8807 * recog.h: Remove the prototype for
8808 validate_replace_rtx_subexp.
8810 * integrate.h: Remove the prototype for
8811 copy_decl_for_inlining.
8812 * rtl.h: Remove the prototype for mark_constant_function.
8813 * tree-vectorizer.h: Remove the prototype for
8814 vect_strip_conversion.
8816 * modulo-sched.c (create_partial_schedule,
8817 free_partial_schedule, reset_partial_schedule): Make them
8820 * hooks.c (hook_bool_rtx_int_false): Remove.
8821 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8823 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8825 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8826 and -mlong-double-128 are incompatible.
8827 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8828 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8829 (TARGET_LIBGCC2_CFLAGS): Define.
8830 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8831 (TARGET_LIBGCC2_CFLAGS): Same.
8832 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8834 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8837 * c-typeck.c (build_binary_op): Perform implicit casts of
8838 operands before shortening them.
8840 * cfgloopmanip.c (split_loop_bb): Remove.
8841 * cfgloop.h: Remove the prototype for split_loop_bb.
8843 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8844 * cfgloop.h: Remove the prototype for
8845 flow_loop_outside_edge_p.
8847 * emit-rtl.c (init_virtual_regs): Make it static.
8848 * function.h: Remove the prototype for init_virtual_regs.
8850 * recog.c (peephole2_optimize): Make it static.
8851 * recog.h: Remove the prototype for peephole2_optimize.
8853 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8855 * df-scan.c (df_record_entry_block_defs): Check if
8856 INCOMING_RETURN_ADDR_RTX is defined.
8858 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8859 Kenneth Zadeck <zadeck@naturalbridge.com>
8861 PR rtl-optimization/24762
8862 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8863 * targhooks.c (hook_void_bitmap): New hook prototype.
8864 * targhoohs.h (hook_void_bitmap): Ditto.
8865 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8866 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8867 * target.h (live_on_entry): New function pointer.
8868 * df-scan.c (df_all_hard_regs): Removed.
8869 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8870 (df_scan_free_internal): Added df->entry_block_defs.
8871 (df_scan_alloc): Ditto.
8872 (df_scan_dump): Ditto.
8873 (df_uses_record): Plumbed flag field properly thru calls.
8874 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8875 This part fixes PR24762.
8876 (df_bb_refs_record): Added code to make the frame and arg
8877 pointers live in EH blocks.
8878 (df_refs_record): Added call to df_record_entry_block_defs.
8879 (df_record_entry_block_defs): New function.
8880 * df-core.c: Added comments to describe new artifical defs.
8881 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8882 (entry_block_defs): New field in struct df.
8883 (df_all_hard_regs): Deleted.
8884 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8885 * df-problems.c (df_ru_bb_local_compute_process_def):
8886 Added code to handle artifical defs in the entry to a function.
8887 (df_ru_bb_local_compute): Ditto.
8888 (df_rd_bb_local_compute_process_def): Ditto.
8889 (df_rd_bb_local_compute): Ditto.
8890 (df_lr_bb_local_compute): Ditto.
8891 (df_ur_bb_local_compute): Ditto.
8892 (df_urec_bb_local_compute): Ditto.
8893 (df_chain_create_bb): Ditto.
8894 (df_ur_local_finalize): Removed entry.
8895 (df_urec_init): Ditto.
8896 (df_urec_local_finalize): Ditto.
8897 (df_ri_bb_compute): Added detection of last use of pseudos.
8898 * Makefile.in (df-scan.o): Updated dependencies.
8899 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8900 * config/mips/mips.c (mips_set_live_on_entry): Added.
8901 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8903 * dce.c (marked_insn_p): Added code to handle artifical defs.
8905 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8907 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8909 (_mm_cvtsi128_si64): Likewise.
8910 (_mm_cvtsd_si64): Likewise.
8911 (_mm_cvttsd_si64): Likewise.
8912 (_mm_cvtsi64_sd): Likewise.
8913 (_mm_cvtsi64_si128): Likewise.
8914 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8915 (_mm_cvtsi64_m64): Likewise.
8916 (_m_to_int64): Likewise.
8917 (_mm_cvtm64_si64): Likewise.
8918 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8919 (_mm_cvttss_si64): Likewise.
8920 (_mm_cvtsi64_ss): Likewise.
8921 (_mm_cvtss_f32): Likewise.
8923 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8925 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8926 for pragma redefine_extname.
8928 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8931 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8932 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8933 -mno-minimal-toc to previous content.
8934 (bispecs): Remove goal.
8935 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8936 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8937 compatibility aliases on powerpc-*-*gnu*.
8938 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8939 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8940 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8941 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8942 (ldblspecs): New goal.
8943 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8944 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8946 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8947 L_sf_to_tf or L_df_to_tf is defined.
8949 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8950 Alan Modra <amodra@bigpond.net.au>
8953 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8954 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8955 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8956 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8957 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8958 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8959 (rs6000_override_options): Initialize rs6000_ieeequad.
8960 Initialize TFmode format to ibm_extended_format if not
8962 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8964 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8965 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8966 (function_arg_advance): IBM long double passed in two FPRs, not
8968 (function_arg): IBM long double passed in FPRs.
8969 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8970 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8971 Only multireg GPR aligned.
8972 (rs6000_init_libfuncs): Enable IBM long double functions if not
8974 (rs6000_generate_compare): Use IBM long double compare if not
8976 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8977 (TARGET_IEEEQUAD): Define.
8978 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8979 not TARGET_IEEEQUAD.
8980 * config/rs6000/rs6000.md: Enable TFmode patterns if
8982 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8983 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8984 and -mlong-double-128 are incompatible.
8985 * doc/invoke.texi (-mabi): Collect options together. Add
8986 ibmlongdouble and ieeelongdouble.
8988 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8990 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8992 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8993 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8994 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8995 * rtl.h (rtunion_def): Remove rt_ptr.
8997 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8998 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8999 * config/i386/winnt.c (i386_pe_mark_dllexport)
9000 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9002 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9004 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9006 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9010 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9011 pthread_key_delete. From John David Anglin. gthrw-ify
9012 pthread_getunique_np only if it it's not a macro. Delete
9014 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9015 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9016 __gthread_objc_condition_signal, __gthread_key_delete): Add
9017 "__attribute__ ((__unused__))" to unused arguments.
9018 (__gthread_recursive_mutex_init_function): Add missing return.
9019 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9020 gthr-posix95.h: Use macro-based approach for name redirection
9021 on targets missing weakref.
9023 2006-01-26 Zack Weinberg <zackw@panix.com>
9025 * genconditions.c (write_header): In generated code, #ifdef out
9026 all includes and fake declarations, except includes of bconfig.h
9027 and system.h, unless GCC_VERSION >= 3001. Do not include
9028 gensupport.h in any case.
9029 (write_conditions): Generate a definition of struct c_test. Add
9030 a comment to the generated #endif.
9031 (write_one_condition): Escape backslashes in string too.
9032 (write_writer): Generated code must escape backslashes and quote
9033 marks (but not newlines) in the strings it writes.
9034 * Makefile.in (build/gencondmd.o): Update dependencies.
9036 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9039 * Makefile.in (insn-automata.o): Add header file dependencies.
9040 * genautomata.c: Add includes.
9042 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9045 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9047 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9049 * configure.ac: Expect target tools paths to be passed from the toplevel
9050 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9052 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9054 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9057 * c.opt (Wpointer-sign): Init to -1.
9058 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9059 OPT_pedantic, to 0 otherwise.
9060 * doc/invoke.texi: Update.
9062 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9064 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9065 constants provided by 80387 instructions in the destination mode.
9067 2006-01-26 Richard Guenther <rguenther@suse.de>
9068 Andrew Pinski <pinskia@physics.uc.edu>
9071 partial PR tree-opt/17064
9072 * tree-ssa-structalias.c (intra_create_variable_infos):
9073 Create heap variables for incoming parameters if
9074 flag_argument_noalias > 1.
9075 (find_what_p_points_to): Look through default defs of
9078 2006-01-26 Jeff Law <law@redhat.com>
9081 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9082 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9083 within the VR_RANGE, use the VR_RANGE as the result, not the
9085 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9086 bounds for the type.
9088 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9090 * tree-ssa-alias.c (maybe_create_global_var): Change
9091 subvar walking to an assertion that we don't have subvar'd variables.
9093 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9096 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9097 Use a new variable, inner. PARM_DECLs are always non-weak.
9099 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9101 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9104 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
9106 * config/mips/mips.md (*clear_upper32): New combiner pattern.
9108 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
9110 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
9111 (smax_insn, smin_insn, smax_0, smin_0): New.
9113 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
9116 * config/cris/cris.c (cris_order_for_addsi3): New function.
9117 * config/cris/cris-protos.h: Prototype it.
9118 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
9119 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
9120 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
9121 (split for "op.S1 [rx=rx+i],ry (swapped)")
9122 (split for "op(s|u).S1 [rx=rx+i],ry")
9123 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
9124 Apply cris_order_for_addsi3 when generating addsi3 insns.
9126 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9128 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
9129 (TREE_BLOCK): Add call to EXPR_CHECK.
9131 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9134 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
9135 * tree-pretty-print.c (dump_omp_clause): Extract from ...
9136 (dump_omp_clauses): ... here.
9137 (dump_generic_node): Handle OMP_CLAUSE.
9138 * tree.c (omp_clause_num_ops): New.
9139 (omp_clause_code_name): New.
9140 (tree_code_size): Handle OMP_CLAUSE.
9141 (tree_size): Likewise.
9142 (make_node): Document handling of OMP_CLAUSE.
9143 (tree_node_structure): Handle OMP_CLAUSE.
9144 (omp_clause_check_failed): New.
9145 (omp_clause_range_check_failed): New.
9146 (omp_clause_operand_check_failed): New.
9147 (build_omp_clause): New.
9148 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
9149 * tree.h (enum omp_clause_code): Declare.
9150 (OMP_CLAUSE_SUBCODE_CHECK): Define.
9151 (OMP_CLAUSE_RANGE_CHECK): Define.
9152 (OMP_CLAUSE_ELT_CHECK): Define.
9153 (omp_clause_check_failed): Declare.
9154 (omp_clause_operand_check_failed): Declare.
9155 (omp_clause_range_check_failed): Declare.
9156 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
9157 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
9158 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
9159 (OMP_CLAUSE_LASTPRIVATE): Likewise.
9160 (OMP_CLAUSE_IF_EXPR): Likewise.
9161 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
9162 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
9163 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
9164 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
9165 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
9166 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
9167 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
9168 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
9169 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
9170 (OMP_CLAUSE_CODE): Define.
9171 (OMP_CLAUSE_SET_CODE): Define.
9172 (OMP_CLAUSE_CODE): Define.
9173 (OMP_CLAUSE_OPERAND): Define.
9174 (struct tree_omp_clause): Declare.
9175 (union tree_node): Add field 'omp_clause'.
9176 * treestruct.def (TS_OMP_CLAUSE): Define.
9177 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
9178 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
9179 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
9180 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
9181 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
9182 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
9183 (OMP_CLAUSE): Define.
9184 * print-tree.c (print_node): Handle OMP_CLAUSE.
9185 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
9186 * c-typeck.c: Likewise.
9187 * gimplify.c: Likewise.
9188 * c-omp.c: Likewise.
9189 * tree-nested.c: Likewise.
9190 * tree-inline.c: Likewise.
9191 * c-parser.c: Likewise.
9192 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
9195 2006-01-25 Roger Sayle <roger@eyesopen.com>
9197 PR rtl-optimization/25703
9198 * combine.c (try_combine): Handle zero_extract and strict_low_part
9199 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
9201 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
9203 * global.c: Fix comment typos.
9205 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
9208 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
9209 Use output_addr_const instead of assemble_name.
9211 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
9213 * Makefile.in (sched-vis.o): Update dependencies.
9214 * haifa-sched.c (sched_finish): Clear current_sched_info.
9215 * cfg.c (dump_bb_info): New, split from dump_flow_info.
9216 (dump_flow_info): Call it.
9217 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
9219 * basic-block.h (dump_bb_info): Declare.
9220 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
9221 option, and apply options only for dump files whose TDF_RTL,
9222 TDF_TREE, or TDF_IPA bits match.
9223 * rtl.h: Declare new functions exported from sched-vis.c.
9224 * sched-vis.c: Enable also if scheduling is not used.
9225 (print_value): Print the mode of registers if not inside scheduling.
9226 (print_insn): Make it work outside the scheduler. Beautify the output
9228 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
9230 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9232 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
9233 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
9234 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
9235 depending on the value of CONSTANT_POOL_ADDRESS_P.
9236 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
9238 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
9239 rather than SYMBOL_REF_DECL.
9240 (rtx_constant_pool): Remove const_rtx_sym_htab.
9241 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
9242 (init_varasm_status): Don't initialize const_rtx_sym_htab.
9243 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
9244 Remove handling of const_rtx_sym_htab.
9245 (find_pool_constant): Delete.
9246 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
9247 rather than find_pool_constant.
9248 (get_pool_constant_for_function): Delete.
9249 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
9251 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
9252 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
9253 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
9254 (SYMBOL_REF_CONSTANT): New macro.
9255 (get_pool_constant_for_function): Delete.
9256 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
9257 rather than SYMBOL_REF_DECL.
9258 (i386_pe_mark_dllimport): Likewise.
9259 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
9260 rather than SYMBOL_REF_DECL.
9261 * config/darwin.c (machopic_indirect_data_reference): Likewise.
9262 (machopic_indirect_call_target): Likewise.
9264 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
9266 * flow.c (delete_noop_moves): Add missing EOL to dump message.
9268 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9270 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
9272 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
9274 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
9276 2006-01-24 David Daney <ddaney@avtrex.com>
9279 * configure.ac (enable_tls): New enable option.
9280 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
9281 * configure: Regenerate.
9282 * doc/install.texi (--enable-tls): Document new option.
9283 (--disable-tls): Ditto.
9285 2006-01-24 Richard Henderson <rth@redehat.com>
9287 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
9288 * alias.c (true_dependence): Respect it.
9289 (canon_true_dependence, write_dependence_p): Likewise.
9290 * builtins.c (get_builtin_sync_mem): Set it.
9292 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
9294 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
9297 2006-01-24 DJ Delorie <dj@redhat.com>
9299 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
9300 for storing constants in single-bit bitfields.
9302 2006-01-25 Ben Elliston <bje@au.ibm.com>
9304 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
9306 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
9309 * tree-ssa-pre.c (phi_translate): Return NULL
9310 for AGGREGATE_TYPE's.
9312 2006-01-24 Zack Weinberg <zackw@panix.com>
9314 * genautomata.c (process_state_for_insn_equiv_partition):
9315 Use xcalloc for insn_arcs_array.
9316 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
9317 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
9319 2006-01-24 Richard Henderson <rth@redhat.com>
9321 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
9324 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
9326 PR rtl-optimization/25890
9327 PR rtl-optimization/25905
9328 * combine.c (expand_compound_operation, expand_field_assignment):
9329 Fail if the bitfield's final position is out of bounds.
9331 2006-01-24 Ian Lance Taylor <ian@airs.com>
9334 * cgraphunit.c (cgraph_output_in_order): Don't clear
9335 cgraph_asm_nodes until after asm strings have been output.
9337 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9339 * fix-header.c (read_scan_file): Add new parameter imultilib when
9340 calling register_include_chains.
9342 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9344 * omp-low.c: Update documentation.
9346 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9347 Daniel Berlin <dberlin@dberlin.org>
9351 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
9352 return from the function.
9354 2006-01-22 Zack Weinberg <zackw@panix.com>
9356 * rtl.def (match_code): Add second argument.
9357 * genpreds.c (write_extract_subexp): New function.
9358 (write_match_code): Add path argument. Use write_extract_subexp.
9359 (write_predicate_expr): Pass path to write_match_code.
9360 (mark_mode_tests): MATCH_CODE applied to a subexpression does
9361 not perform a mode test.
9362 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
9363 a subexpression does not constrain the top-level code set.
9364 * read-rtl.c (read_rtx_variadic): New function.
9365 (read_rtx_1): Use it; allow AND and IOR to be variadic.
9366 * doc/md.texi: Document new notation.
9367 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
9368 (cmpsi_operand): ... here, using new notation.
9370 2006-01-22 Zack Weinberg <zackw@panix.com>
9372 * varray.c: Remove GENERATOR_FILE #ifdefs.
9374 2006-01-22 Zack Weinberg <zackw@panix.com>
9376 * genautomata.c (output_reserved_units_table): Emit nothing if
9377 description->query_units_num is zero. Remove extra blank line.
9378 (output_cpu_unit_reservation_p): Short circuit
9379 if description->query_units_num is zero.
9381 2006-01-22 Zack Weinberg <zackw@panix.com>
9383 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
9384 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
9385 nor any of the random handful of variables that used to be necessary
9386 when this program was linked with rtlanal.o. Prune set of forward
9387 function declarations.
9388 (struct attr_desc): Remove static_p field.
9389 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
9390 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
9391 (attr_string): Do not read the character one past the length of
9393 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
9394 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
9395 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
9396 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
9397 (make_automaton_attrs): New.
9398 (main): Do not call into genautomata. Call local gen_bypass
9399 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
9400 Remove special case for insn_alts.
9401 * genautomata.c: Include gensupport.h; not genattrtab.h nor
9402 varray.h (leftover from previous change). Prune set of forward
9403 function declarations. Remove state_alts fields from all
9404 structures. Remove state_alts_table from struct automaton.
9405 Make everything except main static. Do not maintain num_dfa_decls.
9406 Do not maintain state_alts fields of various structures.
9407 (process_decls): Don't validate condexp for dm_insn_reserv decls.
9408 (add_arc): Remove state_alts argument. All callers updated.
9409 (output_reserved_units_table): Emit #ifdef here...
9410 (output_tables): ...not here. Don't generate state_alts tables.
9411 (expand_automata): Don't generate attributes.
9412 (write_automata): Don't generate state_alts functions.
9413 (main): New function.
9414 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
9415 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
9416 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
9417 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
9418 (BYPASS_P_FUNC_NAME, output_state_alts_table)
9419 (output_automata_list_state_alts_code, output_internal_state_alts_func)
9420 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
9421 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
9423 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
9424 * genattrtab.h: Delete file.
9425 * Makefile.in (OBJS-common): Add insn-automata.o.
9426 (insn-automata.o): New rule.
9427 (simple_generated_c): Add insn-automata.c.
9428 (build/genattrtab.o, build/genautomata.o): Update dependencies.
9429 (genprogmd): Add automata.
9430 (build/genattrtab): Needs no extra objects nor libraries.
9431 (build/genautomata): Needs build/vec.o and -lm.
9433 2006-01-22 Zack Weinberg <zackw@panix.com>
9435 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
9436 (output_dfa_max_issue_rate, locked_states_num): Delete.
9437 (struct automaton): Add locked_states field.
9438 (output_dead_lock_vect): Save number of locked states in
9439 automaton->locked_states. If it is zero, don't print anything.
9440 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9441 (output_internal_dead_lock_func): Only test the dead_lock_vect
9442 for automata that have locked states.
9443 (output_statistics): Always print the number of locked states for
9444 each automaton. Calculate total number of locked states here.
9445 (write_automata): Don't call output_dfa_max_issue_rate.
9446 * genattrtab.c: Define length_unit_log as a const variable.
9447 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9448 max_insn_queue_index const.
9449 * final.c (length_unit_log): Declare const.
9450 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9452 2006-01-22 Zack Weinberg <zackw@panix.com>
9454 * genautomata.c: Include vec.h, not varray.h.
9455 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9456 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9457 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9458 VEC_* macros operating on appropriately typed vectors, or to
9459 malloced arrays when the size is known in advance. Const-ify
9460 many char* variables and function arguments. No functional changes.
9461 * Makefile.in (build/varray.o): Delete rule.
9462 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9463 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9465 2006-01-22 Zack Weinberg <zackw@panix.com>
9467 * gensupport.c: Define get_insn_name and record_insn_name here.
9468 (read_md_rtx): Call record_insn_name as appropriate.
9469 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9470 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9471 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9473 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9474 (BUILD_VARRAY): Delete.
9475 (genprognormal): Rename genprogmd. Fold in all programs from
9476 genprognoprint; also attrtab.
9477 (build/genattrtab): Just mention genautomata.o and varray.o.
9478 Reorganize a bit, add comments to make the categories clearer.
9480 2006-01-22 Zack Weinberg <zackw@panix.com>
9482 * genconditions.c (condition_table, add_condition): Delete.
9483 (write_conditions): Don't emit n_insn_conditions nor
9484 insn_elision_unavailable. Issue the gcc version #ifdef here,
9485 inside the table, with no #else clause ...
9486 (write_header): ...not here.
9487 (write_writer): New function.
9488 (main): Don't initialize condition_table. Use add_c_test.
9490 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9491 files on the command line.
9492 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9493 Return -1 if there is no entry in the table, don't abort.
9494 (add_c_test, traverse_c_tests): New functions.
9495 * gensupport.h (insn_elision_unavailable, insn_conditions)
9496 (n_insn_conditions): Delete declarations.
9497 (add_c_test, traverse_c_tests): Declare.
9498 * read-rtl.c: Include gensupport.h.
9499 (read_conditions): New function.
9500 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9501 (read_rtx_1): If we get EOF when we were looking for an initial
9502 open paren, return 0. Call read_conditions when appropriate.
9503 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9504 dummy-conditions.o. Eliminate references to insn-conditions.o,
9505 or change them to build/gencondmd.o, as appropriate. Remove
9506 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9507 from $(simple_generated_c). For all files remaining in those
9508 two lists, add insn-conditions.md to the generator command line.
9509 Give insn-constants.h/s-constants their own rules. Add rules
9510 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9511 (build/read-rtl.o): Depend on gensupport.h.
9512 (genprognormal): Include preds.
9513 (genprogearly): Rename genprognoprint; only difference is now that
9514 they don't link with $(BUILD_PRINT).
9515 * dummy-conditions.c: Delete.
9517 2006-01-22 Zack Weinberg <zackw@panix.com>
9519 * genextract.c: Don't include insn-config.h. Do include vec.h.
9520 Declare vectors of int, char, and locstr.
9521 (locstr): New typedef.
9522 (struct extraction): Make all array fields into bare pointers.
9523 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9524 (insn_code_number): Delete.
9525 (accum_extract): New struct.
9526 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9527 (gen_insn): Take insn_code_number as an argument. Use an
9528 accum_extract structure instead of loading data directly into
9529 a struct extraction, and having to know how big it might get.
9530 (walk_rtx): Operate entirely on an accum_extract structure.
9531 (print_path): Avoid unnecessary use of printf.
9532 (print_header): New function, split out of main. Distinguish
9533 more carefully between an unrecognizable insn and an insn that
9534 has the code number of a define_expand.
9535 (main): Pass insn_code_number to gen_insn. Call print_header
9536 only after parsing. Avoid unnecessary use of printf.
9537 * Makefile.in (build/vec.o): New rule.
9538 (build/genextract): Depend on build/vec.o.
9539 (build/genextract.o): Don't depend on insn-config.h.
9541 2006-01-22 Zack Weinberg <zackw@panix.com>
9543 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9544 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9545 practical. Eliminate per-generator-program link rules.
9547 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9550 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9551 with a call expr to ...
9552 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9554 2006-01-23 Richard Guenther <rguenther@suse.de>
9556 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9557 before make_edge with conditional EDGE_TRUE_VALUE.
9559 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9560 Jan Hubicka <jh@suse.cz>
9561 Richard Guenther <rguenther@suse.de>
9563 PR rtl-optimization/25654
9564 * cfgexpand.c (aggregate_contains_union_type): New function.
9565 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9566 for structure variables that contain a union type.
9568 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9570 * gengtype.c (new_structure): Return the structure.
9571 (create_option): Add an extra "next" argument.
9572 (create_field): New function.
9573 (adjust_field_rtx_def): Use create_option and create_field.
9574 Remove a now-unnecessary call to find_structure.
9575 (adjust_field_tree_def): Likewise.
9576 (note_yacc_type): Remove an unnecessary call to find_structure.
9577 * gengtype.h (new_structure): Return the structure.
9578 (create_option): Add an extra argument.
9579 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9580 (option): Adjust calls to create_option.
9582 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9584 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9586 2006-01-22 Paul Brook <paul@codesourcery.com>
9587 Peter Barada <peter@the-baradas.com>
9589 * config/m68k/m68k.md: Add Coldfire FPU support.
9590 Define FP mode macro and associated attributes.
9591 Use it for float mode patterns.
9592 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9593 (LIBCALL_VALUE): Use m68k_libcall_value.
9594 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9595 (m68k_function_value): Ditto.
9596 (emit_move_sequence): Ditto.
9597 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9598 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9599 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9600 (MULTILIB_EXCEPTIONS): Ditto.
9601 * config/m68k/m68k.opt: Add mcfv4e.
9602 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9603 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9604 (m68k_output_function_prologue): Save ColdFire FPU registers.
9605 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9606 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9607 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9608 ColdFire FPU registers.
9609 (m68k_libcall_value, m68k_function_value): New functions.
9610 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9611 (LIBCALL_VALUE): Use m68k_libcall_value.
9612 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9613 (MASK_COLDFIRE): Add MASK_CFV4E.
9614 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9615 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9616 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9617 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9618 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9619 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9620 * doc/invoke.tex: Document -mcfv4e on m68k.
9622 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9624 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9627 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9630 * c-opts.c (c_common_handle_option): Don't include
9631 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9632 * doc/invoke.texi (C++ Dialect Options): Document that
9633 -Wnon-virtual-dtor is no longer included in -Wall.
9635 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9637 * gcov.c (print_version), gcov-dump.c (print_version),
9638 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9641 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9643 * df-scan.c (problem_SCAN): Added NULL reset function.
9644 (df_scan_reset_blocks): Added code to call reset block function
9645 (df_bb_refs_delete) Fixed comment.
9646 (df_insn_refs_delete): Made tolerant of deleting non existent info
9647 for dataflow problems that need to be reset.
9648 * df-core.c (df_set_blocks): Ditto.
9649 * df.h (struct df_problem): Added reset_fun.
9650 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9651 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9652 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9653 functions to clear out all references to def-use or use-def chains.
9655 2006-01-21 Ben Elliston <bje@au.ibm.com>
9657 * varasm.c (assemble_real): Initialise data array.
9659 2006-01-20 Paul Brook <paul@codesourcery.com>
9661 Merge from csl-arm-branch.
9662 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9663 * config/arm/arm.md (movdi): Force operands[1] to a register
9664 if we have a non-register source.
9665 (*arm_movdi, *movdf_soft_insn): Require that one of the
9666 operands be a register.
9667 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9668 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9670 2006-01-20 DJ Delorie <dj@redhat.com>
9672 * varasm.c (initialize_constant_valid_p): Allow pointers
9673 initialized from integer constants of lesser precision.
9674 (output_constant): Allow non-int-sized pointer modes to be
9675 initialized from integer constants.
9677 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9680 * cppdefault.h (struct default_include): Add multilib flag.
9681 * cppdefault.c (cpp_include_defaults): Set it.
9682 * c.opt (-imultilib): New option.
9683 * c-opts.c (imultilib): New.
9684 (c_common_handle_option): Handle -imultilib.
9685 (c_common_post_options): Likewise.
9686 * c-incpath.c (add_standard_paths, register_include_chains):
9688 * c-incpath.h (register_include_chains): Add extra parameter.
9689 * gcc.c (do_spec_1): Generate -imultilib option.
9690 (The Specs Language): Update %I description.
9691 (process_command): Update copyright notice.
9692 * doc/cppopts.texi (-imultilib): Document.
9693 * doc/invoke.texi (-imultilib): Include in option summary.
9694 (%I): Update specs documentation.
9696 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9698 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9700 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9702 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9705 2006-01-20 Richard Guenther <rguenther@suse.de>
9706 Steven Bosscher <stevenb.gcc@gmail.com>
9708 PR rtl-optimization/24626
9709 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9710 EDGE_TRUE_VALUE if in RTL mode.
9713 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9714 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9716 2006-01-20 Dirk Mueller <dmueller@suse.com>
9719 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9720 instead of a special NOP marker.
9721 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9722 NOP marker handling.
9723 * c-common.h (empty_body_warning): Add forward declaration.
9724 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9725 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9727 2006-01-20 Paul Brook <paul@codesourcery.com>
9729 * Makefile.in (lang_checks): Keep going if mkdir fails.
9731 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9733 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9734 be able to clean out basic block when not necessary.
9735 (df_scan_free): Fixed to properly delete information if df is
9736 unused before calling df_finish.
9737 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9738 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9740 (df_bb_refs_delete): New function.
9741 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9742 * df-core.c (df_set_blocks): Added code to properly clean out
9743 unused blocks if they are not part of the blocks to consider.
9744 Added additional null check.
9745 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9746 be able to clean out basic block when not necessary
9747 * df.h (df_free_bb_function): Ditto.
9748 (df_bb_refs_delete): New function.
9749 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9750 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9751 basic block parameter to be able to clean out basic block when not
9753 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9754 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9755 Fixed to properly delete information if df is unused before
9758 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9760 PR rtl-optimization/25799
9761 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9762 Corrected confluence operator to remove bits from op2 before oring
9763 with op1 rather than removing bits from op1.
9764 (df_ru_transfer_function): Corrected test on wrong bitmap which
9765 caused infinite loop. Both of these problems were introduced in
9766 the dataflow rewrite.
9768 2006-01-19 DJ Delorie <dj@redhat.com>
9770 * reload1.c (find_reload_regs): Note the details of reload
9771 failures in the dump file.
9772 (spill_failure): Likewise.
9774 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9776 * loop-iv.c: Include df.h and hashtab.h.
9777 (enum iv_grd_result): New enum.
9778 (DF_REF_IV, DF_REF_IV_SET): New macros.
9779 (struct biv_entry): New.
9780 (df, bivs): New global variables.
9781 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9782 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9784 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9785 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9786 analyzed_for_bivness_p, record_biv): New functions.
9787 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9788 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9789 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9791 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9793 (iv_number_of_iterations): Use new interface to iv analysis.
9794 * loop-unroll.c: Do not include varray.h.
9795 (analyze_iv_to_split_insn): Use new interface to iv
9797 * loop-unswitch.c (may_unswitch_on): Ditto.
9798 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9800 (df_bb_modify): Realloc tables to the new index.
9801 (df_find_use): New function.
9802 * df.h (df_find_use): Declare.
9803 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9805 * cfgloop.h (struct rtx_iv): Remove analysed field.
9806 (iv_get_reaching_def): Removed.
9807 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9808 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9809 (loop-iv.o): Add df.h and hashtab.h dependency.
9810 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9812 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9815 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9817 (__floatundisf, __floatundidf): Likewise.
9818 * libgcc2.h (IS_IBM_EXTENDED): Define.
9820 2006-01-19 DJ Delorie <dj@redhat.com>
9822 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9824 2006-01-19 Paul Brook <paul@codesourcery.com>
9826 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9827 as nothrow when unwinding tables are disabled.
9829 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9832 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9833 of bit-field" when in system header.
9835 2006-01-19 DJ Delorie <dj@redhat.com>
9837 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9838 the 16 bit shift limit of the m16c.
9840 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9843 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9844 * config/i386/i386.c (output_set_got): Output the label if we have one
9845 for the TARGET_DEEP_BRANCH_PREDICTION case.
9847 2006-01-19 Jan Hubicka <jh@suse.cz>
9848 H.J. Lu <hongjiu.lu@intel.com>
9849 Evandro Menezes <evandro.menezes@amd.com>
9851 * invoke.texi (generic): Document
9853 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9854 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9855 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9856 (x86_use_incdec, x86_pad_returns): New variables
9857 (TARGET_CPU_DEFAULT_generic): New constant
9858 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9859 (enum processor_type): Add generic32 and generic64.
9860 * i386.md (cpu attribute): Add generic32/generic64
9861 (movhi splitter): Behave sanely when both partial_reg_dependency and
9862 partial_reg_stall are set.
9863 (K8 splitters): Enable for generic as well.
9864 * predicates.md (incdec_operand): Use TARGET_INCDEC
9865 (aligned_operand): Avoid memory mismatch stalls.
9866 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9867 * ppro.md: Enable for generic32
9868 * i386.c (generic64_cost, generic32_cost): New.
9869 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9870 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9871 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9872 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9873 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9874 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9875 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9876 x86_accumulate_outgoing_args, x86_prologue_using_move,
9877 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9878 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9880 (x86_use_incdec, x86_pad_returns): New.
9881 (override_options): Add generic32 and generic64, translate "generic"
9882 to generic32/generic64 and "i686" to "generic32", refuse
9883 "generic32"/"generic64" as arch target.
9884 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9885 (ix86_reorg): Honor PAD_RETURNS.
9887 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9889 * tree-pretty-print.c (dump_generic_node): Handle
9890 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9891 * cgraph.c (cgraph_expand_queue): Rename from
9892 cgraph_analyze_queue. Update all users.
9893 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9894 cgraph_expand_queue.
9895 (cgraph_expand_all_functions): Likewise.
9896 (cgraph_finalize_pending_functions): Remove. Update callers.
9898 * tree.h (OMP_DIRECTIVE_P): Define.
9899 (OMP_PARALLEL_FN): Define.
9900 (OMP_PARALLEL_DATA_ARG): Define.
9901 (OMP_SECTIONS_SECTIONS): Define.
9902 * tree-pass.h (pass_expand_omp): Declare.
9903 * omp-low.c (struct omp_region): Declare.
9904 (struct omp_context): Remove fields 'parallel_type',
9905 'parallel_start_ix' and 'parallel_start_additional_args'.
9907 (struct omp_for_data): Rename from struct expand_omp_for_data.
9908 (omp_regions): New static variable.
9909 (root_omp_region): New static variable.
9910 (find_omp_clause): Make static.
9911 (is_in_combined_parallel_ctx): Remove.
9912 (is_combined_parallel): New.
9913 (extract_omp_for_data): Move earlier in the file.
9914 (workshare_safe_to_combine_p): New.
9915 (get_ws_args_for): New.
9916 (determine_parallel_type): Move earlier in the file.
9917 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9919 (omp_copy_decl): Likewise.
9920 (create_omp_child_function): Likewise.
9921 (lookup_omp_region): New.
9922 (dump_omp_region): New.
9923 (debug_omp_region): New.
9924 (debug_all_omp_regions): New.
9925 (new_omp_region): New.
9926 (scan_omp_parallel): If parallel_nesting_level > 1, the
9927 directive is nested within another parallel directive.
9928 Set OMP_PARALLEL_FN.
9929 (scan_omp_for): Do not try to handle combined parallel+for
9931 Remove FIXME comment.
9932 (scan_omp_nested): Remove.
9933 (scan_omp_1): Do not call scan_omp_nested when
9934 parallel_nesting_level is > 1.
9935 Do not change the DECL_CONTEXT of local variables found.
9936 (lookup_decl_in_outer_ctx): New.
9937 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9938 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9939 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9940 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9941 If CTX is nested, lookup VAR in the outer context when
9942 building copy assignment.
9943 (lower_send_clauses): Rename from expand_send_clauses.
9944 If CTX is nested, lookup VAR in the outer context when
9945 building copy assignments.
9946 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9947 If CTX is nested, lookup VAR in the outer context when
9948 building copy assignments.
9949 (expand_parallel_call): Rename from build_parallel_call.
9950 Handle combined parallel+workshare cases.
9951 Re-implement to emit code into the CFG.
9953 (expand_omp_parallel): Re-implement to emit code into the CFG.
9954 Call move_sese_region_to_fn to outline the sub-graph
9955 containing the parallel region.
9956 (expand_omp_for_1): Remove.
9957 (expand_omp_for_generic): Re-implement to emit code into the
9959 (expand_omp_for_static_nochunk): Likewise.
9960 (expand_omp_for_static_chunk): Likewise.
9961 (expand_omp_for): Likewise.
9962 (expand_omp_sections): Likewise.
9963 (remove_exit_barriers): New.
9964 (expand_omp_synch): New.
9966 (build_omp_regions_1): New.
9967 (build_omp_regions): New.
9968 (execute_expand_omp): New.
9969 (gate_expand_omp): New.
9970 (pass_expand_omp): Define.
9971 (lower_omp_sections): Rename from expand_omp_sections.
9972 Set OMP_SECTIONS_SECTIONS.
9973 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9974 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9975 (lower_omp_single): Rename from expand_omp_simple.
9976 (lower_omp_master): Rename from expand_omp_master.
9977 (lower_omp_ordered): Rename from expand_omp_ordered.
9978 (lower_omp_critical): Rename from expand_omp_critical.
9979 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9980 (lower_omp_for): Re-implement.
9981 (lower_omp_parallel): Re-implement.
9982 (lower_regimplify): Rename from expand_regimplify.
9983 (lower_omp_1): Rename from expand_omp_1.
9984 If there are syntax errors in the program, replace every
9985 OpenMP directive with NOP.
9986 Call lower_omp_* instead of expand_omp_*.
9987 (lower_omp): Rename from expand_omp.
9989 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9990 * tree-gimple.h (enum omp_parallel_type): Remove.
9991 (gimple_boolify): Declare extern.
9992 (find_omp_clause, determine_parallel_type): Remove.
9994 * gimple-low.c (lower_omp_directive): New.
9995 (lower_stmt): Call it.
9996 (record_vars_into): Move from ...
9997 (record_vars): ... here.
9998 Call record_vars_into with current_function_decl.
10000 * gimplify.c (struct gimplify_ctx): Remove fields
10001 combined_pre_p and combined_ctxp. Update users.
10002 (get_formal_tmp_var): Add documentation.
10003 (gimple_boolify): Make extern.
10004 (gimplify_expr_in_ctx): Remove. Update callers.
10005 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10006 will always be a BIND_EXPR.
10007 (gimplify_expr): Handle OMP_RETURN_EXPR.
10008 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10009 (OMP_PARALLEL): Add 3 operands.
10010 (OMP_SECTIONS): Add 1 operand.
10011 (OMP_RETURN_EXPR): Define.
10013 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10014 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10015 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10016 creating a circular free list.
10017 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10019 * tree-flow.h (move_sese_region_to_fn): Declare.
10020 (record_vars_into): Declare.
10021 * tree-cfg.c (make_omp_sections_edges): New.
10022 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10023 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10024 OMP_SECTIONS and OMP_SECTION.
10025 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10026 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10027 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10028 (gather_blocks_in_sese_region): New.
10029 (struct move_stmt_d): Declare.
10030 (move_stmt_r): New.
10031 (move_block_to_fn): New.
10032 (move_sese_region_to_fn): New.
10034 * passes.c (init_optimization_passes): Schedule
10035 pass_expand_omp after pass_init_datastructures.
10037 * tree-ssa-operands.c (get_expr_operands): Handle
10038 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10039 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10041 2006-01-19 Jeff Law <law@redhat.com>
10043 * tree-vrp.c (extract_range_from_assert): Refine the result range
10044 if the variable referenced by the ASSERT_EXPR has a range and
10045 either the tentative result range or the previous range is a
10048 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10050 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10052 2006-01-19 Jan Hubicka <jh@suse.cz>
10054 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10056 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10058 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10059 (expand_compound_operation, expand_field_assignment): Fail if the
10060 bit lengths of an extract operation are out of range.
10061 (make_extraction): Compute wanted_inner_mode based on the position
10062 and length of the extraction. Make it extraction_mode for non-constant
10063 positions, and do not modify offset in that case. When generating a
10064 new MEM, use a mode that can hold the extraction while keeping correct
10065 alignment. Remove code that supported MEMs wrapped by USEs.
10066 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10068 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10070 * config/s390/s390.md ("Y", "y"): New mode attribute.
10071 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10072 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10073 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10074 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10075 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10076 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10077 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10078 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10079 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10080 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10081 "addsi3", "subsi3"): Insn patterns removed.
10082 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10083 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10084 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10085 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10086 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10087 "*sub<mode>3_cconly2"): New insn patterns.
10088 ("addsi3", "subsi3"): New expanders.
10090 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10092 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10093 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10094 existing STMT_VINFO_VECTYPE if available.
10095 (vect_mark_relevant): Add special handling for stmts that are
10096 marked as STMT_VINFO_IN_PATTERN_P.
10097 (vect_analyze_loop): Call vect_pattern_recog.
10098 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10099 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10101 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10102 (vect_recog_func_ptr): New function-pointer type.
10103 * tree-vect-patterns.c: New file.
10104 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
10105 (vect_recog_dot_prod_pattern, vect_pattern_recog):
10106 (vect_pattern_recog_1): New functions.
10107 (vect_pattern_recog_funcs): New array of function pointers.
10109 * tree-vectorizer.h (ternary_op): New enum value.
10110 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
10111 declaration. Revised documentation. Removed redundant dump prints.
10112 Removed redundant argument. Added support for reduction patterns.
10113 (vectorizable_reduction): Added support for reduction patterns.
10114 (vect_transform_stmt): Added support for patterns.
10116 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
10117 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
10118 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
10119 (expand_widen_pattern_expr): New function.
10120 (init_optabs): Initialize new optabs udot_prod_optab,
10122 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
10123 (sdot_prod_optab, udot_prod_optab): Define new optabs.
10124 (expand_widen_pattern_expr): New function declaration.
10125 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
10127 * tree-inline.c (estimate_num_insns_1): Added cases for new
10128 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10129 * tree-pretty-print.c (dump_generic_node): Likewise.
10130 (op_prio): Likewise.
10131 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10132 * tree-ssa-operands.c (get_expr_operands): Added case for
10134 * tree-vect-patterns.c (widened_name_p): New function.
10135 (vect_recog_dot_prod_pattern): Added function implementation.
10136 * tree-vect-transform.c (get_initial_def_for_reduction): Added
10137 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
10138 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
10139 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
10141 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
10142 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
10143 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
10144 (init_optabs): Initialize new optabs widen_ssum_optab,
10146 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
10147 (widen_ssum_optab, widen_usum_optab): Define new optabs.
10148 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
10149 use instead of type of def.
10150 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
10151 function implementation.
10152 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
10153 widen_ssumv8hi): New.
10155 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
10158 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10161 * c-decl.c (add_flexible_array_elts_to_size): New function.
10162 (finish_decl): Use it.
10164 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
10166 * diagnostic.h: Include options.h.
10167 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
10168 dependancies for diagnostic.h.
10169 * Makefile.in (DIAGNOSTIC_H): Add options.h.
10171 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
10173 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
10174 (ssa_ro_call_cache_valid): Ditto.
10175 * tree-ssa-alias.c (sort_tags_by_id): New function.
10176 (init_transitive_clobber_worklist): Ditto.
10177 (add_to_worklist): Ditto.
10178 (mark_aliases_call_clobbered): Ditto.
10179 (compute_tag_properties): Ditto.
10180 (set_initial_properties): Ditto.
10181 (compute_call_clobbered): Ditto.
10182 (compute_may_aliases): Call compute_call_clobbered and grouping.
10183 (compute_flow_sensitive_aliasing): Remove clobbering related code.
10184 (compute_flow_insensitive_aliasing): Grouping now happens in our
10186 (setup_pointers_and_addressables): Remove clobbering related code.
10187 (add_may_alias): Ditto.
10188 (replace_may_alias): Ditto.
10189 (get_nmt_for): Ditto.
10190 (create_global_var):
10191 (is_escape_site): Return an escape_type enumeration.
10192 * tree-flow-inline.h (is_call_clobbered): Global var does not
10193 imply call clobbered.
10194 (mark_call_clobbered): Take a reason for marking this. Remove
10195 marking of globalness, and cache invalidation.
10196 (clear_call_clobbered): Remove cache invalidation code.
10197 * tree-dfa.c (dump_variable): If details is on, dump the reason
10199 * tree-outof-ssa.c (create_temp): Copy escape mask from original
10201 * tree-flow.h (struct ptr_info_def): Add escape mask member.
10202 (struct var_ann_d): Ditto.
10203 (enum escape_type): New.
10204 (mark_call_clobbered): Adjust prototype.
10205 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
10206 are never call clobbered.
10207 Record reasons for escaping.
10208 * tree-ssa-structalias.h (is_escape_site): Update prototype.
10209 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
10210 (ssa_ro_call_cache_valid): Ditto.
10211 (clobbered_v_may_defs): Ditto.
10212 (clobbered_vuses): Ditto.
10213 (ro_call_vuses): Ditto.
10214 (clobber_stats): New.
10215 (init_ssa_operands): Zero out clobber stats.
10216 (fini_ssa_operands): Print out clobber stats.
10217 (get_call_expr_operands): Pass callee fndecl to
10218 add_call_read_ops).
10219 (add_call_clobber_ops): Remove use of cache.
10220 Add use of PURE_CONST information.
10221 (add_call_read_ops): Remove use of cache.
10222 Add use of static not_read information.
10224 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
10226 Introduce TLS descriptors for i386 and x86_64.
10227 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
10228 (TARGET_ANY_GNU_TLS): New macro.
10229 (enum tls_dialect): Added TLS_DIALECT_GNU2.
10230 (struct machine_function): Add tls_descriptor_call_expanded_p.
10231 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
10232 (ix86_current_function_calls_tls_descriptor): Likewise.
10233 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
10234 (override_options): Introduce gnu2 tls dialect.
10235 (ix86_frame_pointer_required): Functions containing TLSCALLs are
10237 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
10239 (legitimize_tls_address): Adjust logic for GNU2 TLS.
10240 (ix86_init_machine_status): Initialize new field.
10241 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
10242 (ix86_tls_module_base): New.
10243 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
10244 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
10245 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
10246 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
10247 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
10248 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
10249 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
10250 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
10251 * config/i386/predicates.md (tls_modbase_operand): New.
10252 (tp_or_register_operand): New.
10254 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
10256 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
10257 (look_for_address_of): Ditto.
10258 (ipa_init): Walk the function decls.
10259 (static_execute): Don't set readonly on FUNCTION_DECL's.
10261 2006-01-18 Roger Sayle <roger@eyesopen.com>
10263 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
10264 for shifts where the source and destination registers are different.
10266 2006-01-18 Paul Brook <paul@codesourcery.com>
10268 Merge from csl-arm-branch.
10269 2005-03-14 Julian Brown <julian@codesourcery.com>
10270 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
10271 (aeabi_llsl): Likewise.
10272 (ashrdi3): Likewise.
10273 (aeabi_lasr): Likewise.
10274 (lshrdi3): Likewise.
10275 (aeabi_llsr): Likewise.
10276 2005-03-10 Julian Brown <julian@codesourcery.com>
10277 * config.gcc: Disable shared libgcc for SymbianOS.
10278 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
10280 2006-01-18 DJ Delorie <dj@redhat.com>
10282 * c-pragma.c (handle_pragma_diagnostic): New.
10283 (init_pragma): Register it.
10284 * doc/extend.texi: Document it.
10286 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
10287 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
10288 (diagnostic_context): Add classify_diagnostic[].
10289 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
10290 as errors if they're overridden to DK_WARNING.
10291 (diagnostic_initialize): Initialize classify_diagnostic[].
10292 (diagnostic_set_kind_override): New.
10293 (diagnostic_report_diagnostic): Check for kind changes.
10294 * opts.c (common_handle_option): Take lang_mask. Update callers.
10295 Handle OPT_Werror_.
10296 * common.opt (Werror=): New.
10297 * doc/invoke.texi: Document -Werror=*
10299 2006-01-18 Jeff Law <law@redhat.com>
10301 * tree-vrp.c (test_for_singularity): Correct test for new
10302 min limit. Use operand_equal_p rather than pointer equality
10303 for testing if new min/max values are equal.
10305 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
10306 using range information until after propagation and folding.
10308 2006-01-18 Richard Henderson <rth@redhat.com>
10309 Aldy Hernandez <aldyh@redhat.com>
10310 Jakub Jelinek <jakub@redhat.com>
10311 Diego Novillo <dnovillo@redhat.com>
10313 * omp-low.c: New file.
10314 * c-omp.c: New file.
10316 2006-01-18 Richard Henderson <rth@redhat.com>
10317 Jakub Jelinek <jakub@redhat.com>
10318 Diego Novillo <dnovillo@redhat.com>
10320 * doc/invoke.texi: Document -fopenmp.
10321 * tree-dump.h (debug_function): Declare.
10322 * hooks.c (hook_bool_tree_bool_false): New function.
10323 (hook_tree_tree_null): Remove.
10324 (hook_tree_tree_tree_null): New.
10325 * hooks.h: Update to match.
10326 * tree-pretty-print.c (debug_tree_chain): New.
10327 (print_generic_expr): Handle TDF_CHAIN.
10328 (dump_generic_node): Handle BLOCK.
10329 Do not abort with incomplete SWITCH_EXPRs.
10330 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10331 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10332 print space after directive name.
10333 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10334 Handle OMP_MASTER and OMP_ORDERED.
10335 Handle printing of OMP_BODY just in one place, goto
10336 dump_omp_body in the rest of OMP_* nodes that have
10338 Don't handle clause nodes here. Update omp statements to
10339 use dump_omp_clauses.
10340 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10341 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10342 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10343 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10344 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10345 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10346 Adjust output for GOMP_PARALLEL.
10347 (dump_omp_clauses): New.
10348 (print_declaration): Dump DECL_VALUE_EXPR.
10349 (op_symbol_1): Split out of op_symbol.
10350 (dumping_stmts): Remove. Update all users.
10351 * cgraph.c (cgraph_analyze_queue): New.
10352 (cgraph_add_new_function): New.
10353 * cgraph.h (cgraph_analyze_queue): Declare.
10354 (cgraph_add_new_function): Declare.
10355 (cgraph_lower_function): Remove.
10356 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
10357 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
10358 and TYPE_P nodes in its default clause.
10359 (empty_body_p): New.
10360 (tree_range_check_failed): New.
10361 (build5_stat): New.
10362 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
10363 OMP_CLAUSE_REDUCTION_MERGE,
10364 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
10365 OMP_CLAUSE_PRIVATE_DEBUG,
10366 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
10367 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
10368 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
10369 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
10370 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
10371 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
10372 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
10373 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
10374 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
10375 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
10376 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
10377 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
10378 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
10379 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
10380 (TREE_RANGE_CHECK): New.
10381 (empty_body_p): Declare.
10382 (enum omp_clause_default_kind): New.
10383 (build_string_literal): Declare.
10384 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
10385 (build5_stat, build5): Declare.
10386 * tree-pass.h (TDF_CHAIN): Define.
10387 * tree-pass.h (PROP_gimple_lomp): Define.
10388 (pass_lower_omp): Declare.
10389 * diagnostic.h (debug_tree_chain): Declare.
10390 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
10392 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
10393 * builtins.c (build_string_literal): Make extern.
10394 * gcc.c (include_spec_function): New.
10395 (static_spec_functions): Add it.
10396 (main): Move load of libgomp.spec ...
10397 (LINK_COMMAND_SPEC): ... here.
10398 (link_gomp_spec): New.
10399 (static_specs): Include it.
10400 (LINK_COMMAND_SPEC): Add link_gomp.
10401 (GOMP_SELF_SPECS): New.
10402 (driver_self_specs): Include it.
10403 (switch_matches): Don't mark inline.
10404 (main): Load libgomp.spec.
10405 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
10406 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
10407 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
10408 * tree-gimple.h (enum omp_parallel): Declare.
10409 (determine_parallel_type): Declare.
10410 (omp_firstprivatize_variable): Declare.
10411 (omp_reduction_init): Declare.
10412 (diagnose_omp_structured_block_errors): Declare.
10413 (struct walk_stmt_info): Add want_return_expr.
10414 (struct walk_stmt_info): Add want_bind_expr, want_locations.
10415 (find_omp_clause): Declare.
10416 (insert_field_into_struct): Declare.
10417 (struct walk_stmt_info): Move from tree-nested.c
10418 (walk_stmts): Declare.
10419 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
10421 * cgraphunit.c (cgraph_lower_function): Make static.
10422 (cgraph_finalize_pending_functions): New.
10423 (cgraph_finalize_function): Call it.
10424 (cgraph_finalize_compilation_unit): Likewise.
10425 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
10426 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
10427 (BT_FN_UINT_UINT): New.
10428 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
10429 DEF_FUNCTION_TYPE_VAR_4): Document.
10430 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
10431 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
10432 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
10433 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
10434 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
10435 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
10436 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
10437 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
10438 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
10439 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10440 into separate files.
10441 (DEF_GOMP_BUILTIN): New.
10442 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
10443 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
10444 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10445 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10446 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10447 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10448 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10449 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10450 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
10451 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10452 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10453 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10454 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10455 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10456 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10457 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10458 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10459 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10460 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10461 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10462 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10463 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10464 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10465 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10466 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10467 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10468 * sync-builtins.def: New file, moved from builtins.def.
10469 * omp-builtins.def: New file, moved from builtins.def.
10470 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10471 * gimple-low.c (lower_function_body): Clear data.
10472 (lower_stmt): Do not handle COMPOUND_EXPR.
10473 Remove call to print_node_brief.
10474 * c-tree.h (c_finish_omp_clauses): New prototype.
10475 (C_DECL_THREADPRIVATE_P): Define.
10476 (lookup_name_no_remap, c_omp_remap_private): Remove
10477 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10478 (check_for_loop_decls): Update decl.
10479 (lookup_name_no_remap, c_omp_remap_private): Declare.
10480 (build_indirect_ref, build_modify_expr, pushdecl,
10481 pushdecl_top_level): Move to c-common.h.
10482 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10483 before the switch, but just in the 2 places that need it.
10484 * c-decl.c (diagnose_mismatched_decls): Do not check for
10485 mismatched thread-local attributes when OLDDECL is marked
10486 threadprivate and NEWDECL has no thread-local attributes.
10487 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10488 (c_gimple_diagnostics_recursively): Rename from
10489 c_warn_unused_result_recursively. Invoke
10490 diagnose_omp_structured_block_errors.
10491 (check_for_loop_decls): Return a singular decl found.
10492 * langhooks.c (lhd_omp_predetermined_sharing): Return
10493 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10494 (lhd_omp_firstprivatize_type_sizes): New.
10495 (lhd_omp_assignment): New.
10496 (lhd_omp_predetermined_sharing): New.
10497 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10498 (struct lang_hooks_for_types): Add
10499 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10500 omp_predetermined_sharing, omp_disregard_value_expr,
10501 omp_private_debug_clause, omp_clause_default_ctor,
10502 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10503 (c_finish_omp_clauses): New.
10504 (c_finish_bc_stmt): Diagnose break within omp for.
10505 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10506 (build_unary_op): Return error_mark after reporting
10508 (build_modify_expr): Likewise.
10509 * gimplify.c: Include optabs.h and pointer-set.h.
10510 (enum gimplify_omp_var_data): Declare.
10511 (struct gimplify_omp_ctx): Declare.
10512 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10514 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10515 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10516 (splay_tree_compare_decl_uid): New.
10517 (new_omp_context): New.
10518 (delete_omp_context): New.
10519 (gimple_add_tmp_var): Call omp_add_variable.
10520 (gimplify_bind_expr): Likewise.
10521 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10522 true, disregard DECL_VALUE_EXPR on the decl if any.
10523 (gimplify_expr_in_ctx): New.
10524 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10525 omp_add_variable, omp_notice_variable, omp_is_private
10526 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10527 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10528 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10529 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10530 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10531 gimplify_omp_atomic): New.
10532 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10533 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10534 OMP_CRITICAL and OMP_ATOMIC.
10535 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10536 * c-pragma.h (enum pragma_kind): Add
10537 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10538 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10539 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10540 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10541 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10542 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10543 PRAGMA_OMP_THREADPRIVATE.
10544 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10545 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10546 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10547 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10548 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10549 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10550 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10551 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10552 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10553 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10554 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10555 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10556 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10558 (struct nesting_info): Add field_map,
10559 suppress_expansion, debug_var_chain.
10560 (create_nesting_tree): Initialize them.
10561 (lookup_field_for_decl): Use field_map.
10562 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10563 (convert_local_omp_clauses): New.
10564 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10565 (walk_body): Split out of walk_function.
10566 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10567 (convert_nonlocal_reference): Handle omp statements.
10568 (convert_local_reference): Likewise.
10569 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10570 (unnest_nesting_tree): New.
10571 (lower_nested_functions): Call it.
10572 (insert_field_into_struct): Make extern.
10573 (struct walk_stmt_info): Move to tree-gimple.h.
10574 (walk_stmts): Make extern.
10575 * omp-builtins.def: New file.
10576 * tree-iterator.c (expr_only): Clarify comment.
10577 * c-common.h (pushdecl_top_level, pushdecl,
10578 build_modify_expr, build_indirect_ref,
10579 c_finish_omp_master, c_finish_omp_critical,
10580 c_finish_omp_ordered, c_finish_omp_barrier,
10581 c_finish_omp_atomic, c_finish_omp_flush,
10582 c_finish_omp_for, c_split_parallel_clauses,
10583 omp_clause_default_kind, c_omp_sharing_predetermined,
10584 c_omp_remap_decl): Declare.
10585 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10586 (OBJS-common): Add omp-low.o.
10587 (c-omp.o, omp-low.o): Add.
10588 (gimplify.o): Add dependency on $(OPTABS_H).
10589 (GTFILES): Add omp-low.c.
10590 (gt-stringpool.h): Add.
10591 * tree-cfg.c (set_bb_for_stmt): Do not update the
10592 block-to-labels map if we are currently expanding to RTL.
10593 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10595 Handle IDENTIFIER_NODE.
10596 (tree_verify_flow_info): Do not ICE when emitting error
10597 messages about invalid labels.
10598 (dump_function_to_file): Reset CFUN before emitting the body
10600 (debug_function): New.
10601 * passes.c (init_optimization_passes): Schedule
10603 * langhooks-def.h (lhd_omp_predetermined_sharing,
10604 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10606 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10607 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10608 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10609 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10610 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10611 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10612 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10613 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10614 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10615 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10616 (LANG_HOOK_DECLS): Use them.
10618 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10619 Richard Henderson <rth@redhat.com>
10620 Jakub Jelinek <jakub@redhat.com>
10621 Diego Novillo <dnovillo@redhat.com>
10623 * c-parser.c (pragma_omp_clause): Define.
10624 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10625 (c_parser_compound_statement): Likewise.
10626 (c_parser_statement): Likewise.
10627 (c_parser_pragma): Handle omp pragmas.
10628 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10629 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10630 (c_parser_omp_clause_name, check_no_duplicate_clause,
10631 c_parser_omp_variable_list,
10632 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10633 c_parser_omp_clause_copyprivate,
10634 c_parser_omp_clause_default,
10635 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10636 c_parser_omp_clause_lastprivate,
10637 c_parser_omp_clause_nowait,
10638 c_parser_omp_clause_num_threads,
10639 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10640 c_parser_omp_clause_reduction,
10641 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10642 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10643 c_parser_omp_atomic, c_parser_omp_barrier,
10644 c_parser_omp_critical, c_parser_omp_flush,
10645 c_parser_omp_for_loop, c_parser_omp_for,
10646 c_parser_omp_master, c_parser_omp_ordered,
10647 c_parser_omp_sections_scope, c_parser_omp_sections,
10648 c_parser_omp_parallel, c_parser_omp_single,
10649 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10650 * c-pragma.c (init_pragma): Do omp pragma registration here.
10651 * c.opt (fopenmp): New flag.
10653 2006-01-18 Eric Christopher <echristo@apple.com>
10655 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10656 * config/darwin.h (GOMP_SELF_SPECS): Define.
10658 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10660 * rtl.h: Remove the prototype for reg_alloc.
10662 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10665 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10666 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10667 sjlj and dwarf2 exception handling.
10668 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10669 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10670 * pa/pa.c (function_value): Treat complex and vector types as
10672 (function_arg): Likewise. Only pass scalar floats in the floating
10673 point argument registers.
10674 * pa/t-slibgcc-dwarf-ver: New file.
10675 * pa/t-slibgcc-sjlj-ver: New file.
10676 * pa/t-slibgcc-elf-ver: Delete file.
10678 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10680 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10681 unlikely_test_section_p test.
10683 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10685 * mode-switching.c (optimize_mode_switching): Make it static.
10686 * basic-block.h: Remove the prototype for
10687 optimize_mode_switching.
10689 * modulo-sched.c (sms_schedule): Make it static.
10690 * rtl.h: Remove the prototype for sms_schedule.
10692 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10693 * rtl.h: Remove the prototype for gcse_after_reload_main.
10695 * reg-stack.c (reg_to_stack): Make it static.
10696 * rtl.h: Remove the prototype for reg_to_stack.
10698 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10700 * rtl.h: Remove the prototypes for regrename_optimize and
10701 copyprop_hardreg_forward.
10703 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10705 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10706 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10707 Test against the appropriate null constant for the mode.
10708 If 'fixup_overlap' is true, swap the operands if they overlap.
10709 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10710 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10711 alpha_split_tmode_pair and adjust for above change.
10712 * config/alpha/alpha.md (movtf_internal): Adjust call to
10713 alpha_split_tfmode_pair and rely on it to swap the operands.
10714 (movti_internal): New insn and post-reload splitter.
10715 (movti): New expander.
10717 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10719 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10722 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10724 * rtlanal.c (global_reg_mentioned_p_1,
10725 global_reg_mentioned_p): Remove.
10726 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10728 * flow.c (initialize_uninitialized_subregs): Make it static.
10729 * rtl.h: Remove the prototype for
10730 initialize_uninitialized_subregs.
10732 * function.c (instantiate_virtual_regs): Make it static.
10733 * function.h: Remove the prototype for
10734 instantiate_virtual_regs.
10736 * regmove.c (regmove_optimize, combine_stack_adjustments):
10738 * rtl.h: Remove the prototypes for regmove_optimize and
10739 combine_stack_adjustments.
10741 2006-01-17 Roger Sayle <roger@eyesopen.com>
10743 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10744 (size_cost): Encode costs in bytes so that a reg-reg addition is
10745 equivalent to COSTS_N_INSNS(1).
10746 (override_options): Use the size_cost.branch_cost as the default
10747 ix86_branch_cost when optimizing for size.
10749 2006-01-18 Ben Elliston <bje@au.ibm.com>
10751 * Makefile.in (D32PBIT_FUNCS): New.
10752 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10753 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10754 D64PBIT_FUNCS and D128PBIT_FUNCS.
10755 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10756 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10758 (decnumber_dep): Define.
10759 * doc/libgcc.texi (Decimal float library routines): New node.
10760 * config/dfp-bit.h, config/dfp-bit.c: New files.
10762 2006-01-18 Ben Elliston <bje@au.ibm.com>
10764 * expr.c (emit_move_change_mode): Always adjust addresses, not
10765 just during reload. Copy replacements only during reload.
10766 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10767 emit_move_via_integer.
10769 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10771 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10772 instead of $(srcdir) and ${srcdir}.
10774 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10777 PR middle-end/11135
10778 * arm.h (struct machine_function): Add pic_reg.
10779 * arm.c (arm_pic_register): Make unsigned.
10780 (arm_override_options): Only set arm_pic_register if
10781 TARGET_SINGLE_PIC_BASE.
10782 (use_return_insn): Only test for a pic register if it is fixed.
10783 (arm_compute_save_reg0_reg12_mask): Likewise.
10784 (thumb_compute_save_reg_mask): Likewise.
10785 (legitimate_pic_operand): Factor out some known invariants.
10786 (legitimize_pic_address): If we don't have a fixed pic register,
10787 then set up a pseudo in the function entry sequence. Handle the
10788 pic base being in a pseudo.
10789 (arm_load_pic_register): Handle the pic register being in a pseudo.
10790 (arm_expand_prologue): Only set up the pic register if it is fixed.
10791 (thumb_expand_prologue): Likewise.
10792 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10793 (pic_load_addr_based_insn): Likewise.
10794 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10797 2006-01-18 Ben Elliston <bje@au.ibm.com>
10799 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10800 decimal float modes for all floating point registers.
10802 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10803 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10805 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10808 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10809 even when the pointer is not NULL.
10811 2006-01-16 Ian Lance Taylor <ian@airs.com>
10813 * common.opt (ftoplevel-reorder): New option.
10814 * cgraph.c (cgraph_asm_nodes): New global variable.
10815 (cgraph_asm_last_node): New static variable.
10816 (cgraph_order): New global variable.
10817 (cgraph_create_node): Set new order field.
10818 (cgraph_varpool_node): Likewise.
10819 (decide_is_variable_needed): Return true if not
10820 flag_toplevel_reorder.
10821 (cgraph_add_asm_node): New function.
10822 * cgraph.h (struct cgraph_node): Add order field.
10823 (struct cgraph_varpool_node): Add order field.
10824 (struct cgraph_asm_node): Define.
10825 (cgraph_asm_nodes, cgraph_order): Declare.
10826 (cgraph_add_asm_node): Declare.
10827 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10829 (cgraph_varpool_assemble_pending_decls): Call it.
10830 (cgraph_output_pending_asms): New static function.
10831 (cgraph_finalize_compilation_unit): Call it.
10832 (struct cgraph_order_sort): Define.
10833 (cgraph_output_in_order): New static function.
10834 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10835 !flag_toplevel_reorder case.
10836 * c-parser.c: Include "cgraph.h".
10837 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10839 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10840 than -fno-unit-at-a-time.
10841 * doc/invoke.texi (Option Summary): Mention
10842 -fno-toplevel-reorder.
10843 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10844 -funit-at-a-time documentation.
10846 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10847 Kazu Hirata <kazu@codesourcery.com>
10849 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10851 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10853 * Makefile.in (FUNCTION_H): New. Use it instead of
10854 function.h throughout the file.
10855 * function.h: Include tree.h.
10857 2006-01-17 Ben Elliston <bje@au.ibm.com>
10859 * recog.c: Separate some functions with whitespace.
10861 2006-01-16 Richard Henderson <rth@redhat.com>
10863 Merge from gomp branch:
10864 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10865 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10866 and rename from struct inline_data. Rename callee* to dst*;
10867 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10868 transform_new_cfg, transform_return_to_modify, and
10869 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10871 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10872 (copy_decl_for_dup): Remove.
10873 * tree-inline.c (struct inline_data): Move to header.
10874 (insert_decl_map): Export.
10875 (remap_decl): Update for member name changes. Use copy_decl hook.
10876 Allow for replacement to be a non-decl. Remove dead code.
10877 (remap_type_1): Check for existing mapping.
10878 (remap_type): Export.
10879 (remap_decls): Update for member name changes.
10880 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10881 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10882 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10883 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10884 (tree_function_versioning, build_duplicate_type): Likewise.
10885 (copy_body_r): Likewise. Export.
10886 (copy_decl_for_dup): Split into ...
10887 (copy_decl_for_dup_finish, copy_decl_to_var,
10888 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10889 (replace_ref_tree, inlining_p): Remove.
10891 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10893 * ifcvt.c (if_convert): Make it static.
10894 * rtl.h: Remove the prototype for if_convert.
10896 * local-alloc.c (local_alloc): Make it static.
10897 * rtl.h: Remove the prototype for local_alloc.
10899 * loop.c (loop_optimize): Make it static.
10900 * cfgloop.h: Remove the prototype for loop_optimize.
10903 2006-01-16 DJ Delorie <dj@redhat.com>
10905 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10908 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10910 * pa.md: Disparage copies between general and floating-point registers
10911 in 32-bit move patterns.
10913 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10916 * Makefile.in (check-%): Depend on site.exp instead of
10917 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10920 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10922 * global.c (global_alloc): Make it static.
10923 * rtl.h: Remove the prototype for global_alloc.
10925 2006-01-16 Richard Guenther <rguenther@suse.de>
10927 * tree-ssa-alias.c (struct used_part): Add write_only field.
10928 (get_or_create_used_part_for): Initialize it to true.
10929 (create_overlap_variables_for): Don't create structure variables
10930 for structures that only are written to.
10931 (find_used_portions): Handle MODIFY_EXPR to track whether a
10932 structure is only written to.
10934 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10936 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10938 * basic-block.h: Remove the prototype for
10939 partition_hot_cold_basic_blocks.
10941 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10943 * cppspec.c (lang_specific_spec_functions): Remove.
10944 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10945 * gcc.h (lang_specific_spec_functions): Remove.
10946 * gccspec.c (lang_specific_spec_functions): Remove.
10948 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10950 * combine.c (record_value_for_reg): Invalidate registers
10952 (record_dead_and_set_regs_1): Likewise, by passing them to
10953 record_value_for_reg.
10954 (record_dead_and_set_regs): Invalidate stores made by a
10955 call. We do not combine across a call, but we still
10956 relied on equivalences.
10958 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10960 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10961 vrp_int_const_binop returning non-constant nodes.
10963 2006-01-16 Paul Brook <paul@codesourcery.com>
10965 * config/m68k/m68k.c (output_move_const_into_data_reg):
10966 Output correct mnemonic for mvz and mvs.
10968 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10970 * rtl-factoring.c: Add sequence abstraction algorithm.
10971 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10972 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10974 (block_has_preserve_label): New function.
10975 * common.opt: Register new pass.
10976 * Makefile.in: Ditto.
10978 * timevar.def: Ditto.
10979 * tree-pass.h: Ditto.
10980 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10981 * rtl.h (make_jump_insn_raw): Add forward decl.
10982 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10984 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10985 Roger Sayle <roger@eyesopen.com>
10987 * fold-const.c (fold_minmax): New static function.
10988 (fold_binary) <MIN_EXPR>: Call it.
10989 <MAX_EXPR>: Likewise.
10990 * stor-layout.c (place_field): Use DECL_SIZE consistently
10991 in the computation of the new record size.
10993 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10995 * cse.c (cse_condition_code_reg): Make it static.
10996 * rtl.h: Remove the prototype for cse_condition_code_reg.
10998 * combine.c (combine_instructions): Make it static.
10999 * rtl.h: Remove the prototype for combine_instructions.
11001 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11004 * tree.c (get_file_function_name_long): Concatenate the first global
11005 object name with a string derived from the input filename of the object
11008 2006-01-16 Ben Elliston <bje@au.ibm.com>
11010 * config/i386/winnt-stubs.c: Update FSF address.
11011 * config/xtensa/ieee754-df.S: Ditto.
11012 * config/xtensa/ieee754-sf.S: Ditto.
11014 2006-01-14 Ian Lance Taylor <ian@airs.com>
11016 * ifcvt.c (noce_init_if_info): New static function, broken out of
11017 noce_process_if_block.
11018 (noce_process_if_block): Call noce_init_if_info.
11019 (check_cond_move_block): New static function.
11020 (cond_move_process_if_block): New static function.
11021 (process_if_block): Call cond_move_process_if_block.
11023 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11025 * cselib.c (hash_table): Rename to cselib_hash_table.
11026 (cselib_clear_table, discard_useless_values,
11027 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11028 cselib_init, cselib_finish): Adjust uses of hash_table.
11030 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11032 PR tree-optimization/25485
11033 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11034 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11035 is known to be false and true, respectively.
11037 2006-01-14 Richard Guenther <rguenther@suse.de>
11039 PR tree-optimization/22548
11040 PR tree-optimization/22555
11041 PR tree-optimization/22501
11042 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11043 * params.def (salias-max-array-elements): New parameter.
11044 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11045 * doc/invoke.texi (salias-max-array-elements): Document.
11046 * tree-flow-inline.h (var_can_have_subvars): We also handle
11048 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11050 * tree-ssa-structalias.c (params.h): Include.
11051 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11052 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11053 (get_constraint_for): For ADDR_EXPR operating on something
11054 containing an ARRAY_REF, add all subvars to the solution.
11055 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11056 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11057 for creating MUST_DEFs.
11058 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11060 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11062 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11064 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11065 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11066 number_of_iterations_le): New functions.
11067 (number_of_iterations_special): Removed.
11068 (number_of_iterations_exit): Do not use number_of_iterations_special.
11069 * tree.c (unsigned_type_for): Always return integer type.
11071 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11072 Richard Guenther <rguenther@suse.de>
11074 PR rtl-optimization/24257
11075 * gcse.c (find_moveable_store): Only consider a store movable
11076 when the SET_SRC of the insn can be assigned to a register.
11078 2006-01-14 Ian Lance Taylor <ian@airs.com>
11080 * tree.c (tree_not_class_check_failed): New function.
11081 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11082 (tree_not_class_check_failed): Declare.
11084 2006-01-13 Ian Lance Taylor <ian@airs.com>
11086 * reload1.c (do_output_reload): Add assertion rejecting a
11089 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11091 * combine.c (struct reg_stat): Add new fields truncation_label and
11093 (record_value_for_reg): Reset truncated_to_mode.
11094 (record_truncated_value): New function.
11095 (check_promoted_subreg): Call it. Rename to check_conversions.
11096 (combine_instructions): Rename check_promoted_subreg to
11098 (reg_truncated_to_mode): New function.
11099 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11100 (gen_lowpart_or_truncate): New function.
11101 (force_to_mode): Use it instead of gen_lowpart.
11103 2006-01-13 Diego Novillo <dnovillo@redhat.com>
11105 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
11106 VAR is a tag, not its type tag.
11108 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
11110 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
11111 alternatives to match style of other entries.
11112 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
11114 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
11116 PR tree-optimization/25771
11117 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
11120 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
11123 * tree-inline.c (declare_return_variable): If the return variable
11124 was marked as a non gimple complex, set the return slot variable
11125 to be a non gimple comple variable.
11127 2006-01-13 Richard Guenther <rguenther@suse.de>
11129 * builtins.c (expand_builtin_sincos): New function.
11130 (expand_builtin_mathfn_3): Remove dead code, sin and cos
11132 (expand_builtin): Expand sincos using expand_builtin_sincos.
11134 2006-01-12 DJ Delorie <dj@redhat.com>
11136 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
11137 shift counts, separate SI shifts for m32c vs m16c, pass shift type
11138 so that constant shifts can be split.
11139 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
11140 (m32c_valid_pointer_mode): Make static.
11141 (shift_gen_func_for): New.
11142 (m32c_prepare_shift): Use it. Split large const shifts into
11144 * config/m32c/predicates.md (shiftcount_operand): Allow more
11146 (longshiftcount_operand): New.
11147 * doc/md.texi (Machine Constraints): Document In6.
11149 2006-01-13 Ben Elliston <bje@au.ibm.com>
11151 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
11152 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
11155 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
11157 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
11158 to try to avoid clobbering pieces of structures when we know
11159 something about the whole structure.
11160 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
11162 2006-01-13 Ben Elliston <bje@au.ibm.com>
11164 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
11165 return in memory, as this is no limitation is no longer present.
11167 2006-01-12 DJ Delorie <dj@redhat.com>
11169 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
11170 mova with fb, and for fb+0 -> An.
11172 * config/m32c/mov.md (peephole2): Fix enabling logic.
11174 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11175 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
11176 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
11177 FINI_ARRAY_SECTION_ASM_OP): Define.
11179 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
11181 (m32c_legitimize_reload_address): New logic to reload FB to An.
11182 (m32c_output_reg_push): Add newline.
11183 (m32c_output_reg_pop): Likewise.
11185 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
11187 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
11189 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
11191 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
11193 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11195 * config/sh/predicates.md (sh_rep_vec): Add parallel to
11198 2006-01-11 Ben Elliston <bje@au.ibm.com>
11200 * rtlanal.c (find_reg_note): Assert insn is not null.
11202 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11204 * df-scan.c (df_hard_reg_init): Move declaration of i outside
11207 2006-01-11 Jeff Law <law@redhat.com>
11209 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
11211 (mark_threaded_blocks, register_jump_thread): New functions.
11212 (thread_through_all_blocks): Remove unwanted argument. No
11213 longer rely on e->aux to communicate thread target info.
11214 Call mark_threaded_blocks. Release the threaded_blocks
11215 bitmap and threaded_edges vector when complete.
11216 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
11217 (threaded_blocks): Remove.
11218 (tree_ssa_dominator_optimize): Remove initialization and
11219 finalization of threaded_blocks. Simplify call to
11220 thread_through_all_blocks.
11221 (thread_across_edge): Call register_jump_thread rather than
11222 storing thread information into e->aux.
11223 (free_all_edge_infos): Simplify now that e->aux is no longer
11224 used to communicate with thread_through_all_blocks.
11225 * tree-flow.h (thread_through_all_blocks): Update prototype.
11226 (register_jump_thread): Prototype.
11228 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11230 * df-core.c (df_compact_blocks, df_bb_replace): Use
11231 SET_BASIC_BLOCK instead of BASIC_BLOCK.
11233 2006-01-11 Richard Guenther <rguenther@suse.de>
11235 PR tree-optimization/25734
11236 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
11237 stop propagation after successful propagation to the LHS.
11239 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11241 * basic-block.h (control_flow_graph): Change the type of
11242 x_basic_block_info to VEC(basic_block,gc) *.
11243 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
11245 (SET_BASIC_BLOCK): New.
11246 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
11247 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
11248 * cfgbuild.c (find_basic_blocks): Likewise.
11249 * cfglayout.c (fixup_reorder_chain): Likewise.
11250 * cfgrtl.c (create_basic_block_structure,
11251 rtl_create_basic_block): Likewise.
11252 * ifcvt.c (find_if_case_1): Likewise.
11253 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
11256 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11258 * Makefile.in: Removed rotted odf.c entry.
11260 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
11263 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
11264 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
11265 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
11266 output pattern modifier, not %e.
11267 * config/cris/cris.c (cris_op_str): Update comment about pattern
11269 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
11270 before falling through into...
11271 <case 'E'>: Redefined from old 'e' case.
11273 2006-01-11 Jan Hubicka <jh@suse.cz>
11276 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
11278 2006-01-11 Jan Hubicka <jh@suse.cz>
11280 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
11281 * i386.c (x86_decompose_lea): Kill.
11282 (ix86_rtx_costs): Kill.
11284 2006-01-11 Jan Hubicka <jh@suse.cz>
11286 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
11287 * cgraph.h (cgraph_node): Add inline_decl.
11288 (cgraph_insert_node_to_hashtable): Declare.
11289 (save_inline_function_body): Declare.
11290 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
11292 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
11293 (cgraph_function_versioning): Update call of tree_function_versioning.
11294 (save_inline_function_body): New function.
11295 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
11296 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
11297 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
11298 (cgraph_default_inline_p): Likewise.
11299 (cgraph_decide_inlining_incrementally): Likewise.
11300 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
11301 (copy_bb): Kill saving; do updating of clones.
11302 (copy_cfg_body): Kill saving.
11303 (initialize_inlined-parameters): Likewise.
11304 (expand_call_inline): Likewise.
11306 (tree_function_versioning): New parameter "update_clones".
11307 (inlining_p): Kill saving.
11308 * tree-inline.h (tree_function_versioning): Update prototype.
11309 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
11312 2006-01-11 Ian Lance Taylor <ian@airs.com>
11314 * combine.c (struct undo): Remove is_int. Enumify types of undos.
11315 Allow undoing set of machine mode.
11316 (do_SUBST): Use enums instead of is_int.
11317 (do_SUBST_MODE): New function.
11318 (SUBST_MODE): New macro.
11319 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
11320 reg and trying to replace reg_regno_rtx with a new register.
11321 (undo_all): Use new enums, handle undoing a PUT_MODE change.
11322 (simplify_set): Use SUBST_MODE.
11323 (distribute_notes): Remove code that tried to update reg notes
11324 for regno_reg_rtx changes.
11326 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
11328 PR tree-optimization/23109
11329 PR tree-optimization/23948
11330 PR tree-optimization/24123
11332 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11333 * tree-cfg.c (single_noncomplex_succ): New.
11334 * tree-flow.h (single_noncomplex_succ): Declare it.
11335 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11336 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11337 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11338 insert_bb, register_division_in, insert_reciprocals,
11339 replace_reciprocal, free_bb): New.
11340 (execute_cse_reciprocals_1): Rewritten.
11341 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11342 Do not commit any edge insertion. Always compute dominators and
11343 create the allocation pool.
11344 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11345 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11346 * targhooks.c (default_min_divistions_for_recip_mul): New.
11347 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11348 * passes.c (init_optimization_passes): Run recip after tree loop
11350 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
11352 2006-01-11 Danny Berlin <dberlin@dberlin.org>
11353 Kenneth Zadeck <zadeck@naturalbridge.com>
11355 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
11356 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
11357 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
11358 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
11359 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
11360 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
11361 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
11362 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
11363 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
11364 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
11365 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
11366 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
11367 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
11368 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
11369 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
11370 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
11371 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
11372 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
11373 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
11374 DF_SCAN_POST_ALLOC): New macros.
11375 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
11376 df_free_bb_function, df_local_compute_function, df_init_function,
11377 df_dataflow_function, df_confluence_function_0,
11378 df_confluence_function_n, df_transfer_function,
11379 df_finalizer_function, df_free_function, df_dump_problem_function,
11380 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
11381 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
11382 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
11383 df_urec_bb_info, ) New types.
11384 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
11386 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
11387 df_analyze_simple_change_some_blocks,
11388 df_analyze_simple_change_one_block, df_compact_blocks,
11389 df_bb_replace, df_bb_regno_last_use_find,
11390 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
11391 df_insn_regno_def_p, df_find_def, df_find_use,
11392 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
11393 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
11394 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
11395 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
11396 debug_df_chain, df_get_dependent_problem, df_chain_create,
11397 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
11398 df_grow_bb_info, df_chain_dump, df_print_bb_index,
11399 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
11400 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
11401 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
11402 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
11403 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
11404 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
11405 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
11406 df_ref_remove, df_insn_refs_delete, df_refs_delete,
11407 df_reorganize_refs, df_set_state, df_hard_reg_init,
11408 df_read_modify_subreg_p) New public functions.
11409 * df-core.c: The core dataflow solver and glue routines for rtl
11411 (df_init, df_add_problem, df_set_blocks, df_finish,
11412 df_hybrid_search_forward, df_hybrid_search_backward,
11413 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
11414 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
11415 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
11416 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
11417 df_reg_defined, df_find_use, df_reg_used, df_dump,
11418 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
11419 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
11420 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
11421 debug_df_useno, reset_df_after_reload): New functions.
11422 * df-scan.c: The scanning fuctions, once in df.c, completely
11423 rewritten so that they now fully model the functionality of
11424 register usage at the backend.
11425 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
11426 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
11427 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
11428 df_grow_insn_info, df_rescan_blocks, df_ref_create,
11429 df_get_artificial_defs, df_get_artificial_uses,
11430 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
11431 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
11432 df_refs_delete, df_reorganize_refs, df_set_state,
11433 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
11434 df_def_record_1, df_defs_record, df_uses_record,
11435 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
11436 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
11437 df_record_exit_block_uses, df_hard_reg_init): New functions.
11439 * df-problems.c: Seven concrete dataflow problems that use the
11440 scanning in df-scan.c and are solved by the engine in df-core.c.
11441 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
11442 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
11443 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
11444 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11445 df_ru_free_bb_info, df_ru_alloc,
11446 df_ru_bb_local_compute_process_def,
11447 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11448 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11449 df_ru_transfer_function, df_ru_free, df_ru_dump,
11450 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
11451 df_rd_free_bb_info, df_rd_alloc,
11452 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11453 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11454 df_rd_transfer_function, df_rd_free, df_rd_dump,
11455 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11456 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11457 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11458 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11459 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11460 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11461 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11462 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11463 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11464 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11465 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11466 df_urec_mark_reg_use_for_earlyclobber,
11467 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11468 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11469 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11470 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11471 df_chain_create_bb_process_use, df_chain_create_bb,
11472 df_chain_finalize, df_chain_free, df_chains_dump,
11473 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11474 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11475 df_reg_lifetime): New functions.
11476 * df.c: Deleted file.
11477 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11478 consistent with new df api.
11479 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11480 rest_of_handle_sms): Ditto.
11481 * web.c (unionfind_union, union_defs, entry_register, web_main):
11483 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11484 invariant_expr_equal_p, find_defs, check_dependencies,
11485 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
11486 free_inv_motion_data, move_loop_invariants): Ditto.
11487 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11488 Update dependencies.
11489 (odf.c): Added defective entry that was deleted later in day.
11490 * sched-deps.c (sched_analyze_1): Ditto.
11492 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11494 * tree-ssa-operands.c (get_expr_operands): Record addressable
11495 variables directly. Do not call add_stmt_operands for CONST_DECLs
11497 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11498 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11500 2006-01-11 Ben Elliston <bje@au.ibm.com>
11502 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11503 function returns true in the positive case.
11505 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11508 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11509 for SI, DI, SF and DF modes. Add alternatives to copy between
11510 general and floating point registers to the 32-bit patterns.
11511 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11512 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11513 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11514 generating 64-bit code.
11515 * config/pa/pa.c (output_move_double): Handle copies between general
11516 and floating registers.
11518 2006-01-10 Stuart Hastings <stuart@apple.com>
11520 * config/i386/i386.md (set_got): Update.
11521 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11522 (builtin_setjmp_receiver): Mach-O support.
11523 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11524 (GOT_SYMBOL_NAME): Define.
11525 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11526 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11527 * config/i386/i386.c (override_options): Revise for Darwin.
11528 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11529 support. (darwin_x86_file_end): New. (output_set_got): Add label
11530 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11531 * config/i386/i386-protos.h (output_set_got): Likewise.
11532 * config/darwin.c (machopic_legitimize_pic_address): Update
11535 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11537 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11538 when MODE isn't BLKmode.
11540 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11542 PR rtl-optimization/25367
11543 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11545 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11548 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11549 for a negative bound.
11551 2006-01-10 Richard Guenther <rguenther@suse.de>
11553 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11554 Never override with anything constraint.
11556 2006-01-10 Jan Beulich <jbeulich@novell.com>
11558 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11559 256 bits when optimize_size.
11561 2006-01-10 Jan Beulich <jbeulich@novell.com>
11563 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11565 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11566 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11569 2006-01-10 Ben Elliston <bje@au.ibm.com>
11571 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11573 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11574 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11575 (USE_FP_FOR_ARG): Reject decimal float modes.
11576 (function_arg_advance): Likewise.
11577 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11578 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11579 point types in AltiVec vectors.
11580 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11581 (rs6000_libcall_value): Likewise.
11583 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11585 * config/xtensa/ieee754-df.S: New file.
11586 * config/xtensa/ieee754-sf.S: New file.
11587 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11588 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11589 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11591 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11593 * config/sh/predicates.md (binary_float_operator,
11594 binary_logical_operator, commutative_float_operator,
11595 equality_comparison_operator, greater_comparison_operator,
11596 less_comparison_operator, logical_operator,
11597 noncommutative_float_operator, shift_operator,
11598 symbol_ref_operand, unary_float_operator): Remove redundant
11601 2006-01-09 Jeff Law <law@redhat.com>
11603 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11604 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11605 now unused arguments. Callers updated.
11606 (eliminate_redundant_computations): Remove now unused arguments,
11608 (local_fold): Remove, no longer used.
11609 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11611 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11612 (simplify_cond): New function.
11613 (forward_propagate_into_cond): Call simplify_cond.
11615 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11617 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11618 (*vec_extractv2di_1_sse): New.
11620 2006-01-09 Ben Elliston <bje@au.ibm.com>
11622 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11624 2006-01-08 Richard Guenther <rguenther@suse.de>
11626 * tree-ssa-structalias.c (get_constraint_for): Remove
11627 anyoffset argument.
11628 (get_constraint_for_component_ref): Likewise.
11629 (do_deref): Likewise.
11630 (get_constraint_for): Likewise.
11631 (do_structure_copy): Likewise.
11632 (handle_ptr_arith): Likewise.
11633 (find_func_aliases): Likewise. Remove unused need_anyoffset
11636 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11637 Kaz Kojima <kkojima@gcc.gnu.org>
11639 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11640 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11641 (EXTRA_CONSTRAINT_C16): Remove.
11642 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11643 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11644 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11645 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11646 constants of SHmedia. Handle nested constant expressions of
11648 (andcosts): Fix the costs for SHmedia constants.
11649 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11650 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11651 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11652 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11653 (movv4hi_i, movv2si_i): Likewise.
11654 (movsi_const): Adjust the second operand of ior so to match with
11655 the Csu constraint.
11656 (movdi_const, movdi_const_32bit): Likewise.
11657 (movdi_const_16bit+1): Don't sign-extend LOW.
11658 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11660 (*double_shori): Fix the split condition. Use GEN_INT instead
11661 of get_int_mode calls. Mask lower 16-bit of the argument of
11663 (sym2GOTPLT): Remove.
11664 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11666 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11667 instead of EXTRA_CONSTRAINT_C16.
11669 2006-01-07 Ian Lance Taylor <ian@airs.com>
11670 David Edelsohn <edelsohn@gnu.org>
11672 PR rtl-optimization/25662
11673 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11674 for constant operands instead of simplify_gen_binary.
11675 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11676 after trying simplify_binary_operation
11678 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11680 * tree.c (iterative_hash_expr): Hash decls based on UID.
11682 2006-01-06 Eric Christopher <echristo@apple.com>
11684 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11685 (TARGET_UNWIND_EMIT): Fix spelling.
11686 * target.h (gcc_target): Add except_table_label.
11687 * except.c (output_function_exception_table): Use.
11688 * varasm.c (default_emit_except_table_label): New.
11689 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11691 (asm_out): Add here.
11692 * output.h (default_emit_except_table_label): Prototype.
11693 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11694 * config/darwin.c (darwin_emit_except_table_label): Define.
11695 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11697 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11699 PR tree-optimization/18527
11700 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11701 number_of_iterations_special, number_of_iterations_exit):
11702 Move base and step of an iv to a single structure. Add
11703 no_overflow flag, and use it in # of iterations analysis.
11704 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11705 folded_casts argument.
11706 (simple_iv): Pass base and step in a structure. Set no_overflow
11708 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11709 Evaluate expensiveness of computing # of iterations instead of
11710 the final expression.
11711 * tree-scalar-evolution.h (affine_iv): New structure.
11712 (simple_iv): Declaration changed.
11713 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11714 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11715 find_givs_in_stmt): Changed due to simple_iv change.
11717 2006-01-06 Jeff Law <law@redhat.com>
11720 * tree-cfg.c (bsi_replace): Rename final argument from
11721 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11722 change (stmt -> orig_stmt).
11723 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11724 (bsi_remove): Add new argument. Remove EH information
11726 (verify_eh_throw_table_statements): New function.
11727 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11729 * tree-optimize.c (execute_free_cfg_annotations): Verify
11730 the EH throw statement table after removing annotations.
11731 * except.h (verify_eh_throw_table_statements): Prototype.
11732 * tree-flow.h (bsi_remove): Update prototype.
11733 * tree-vrp.c (remove_range_assertions): Add new argument to
11735 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11736 * tree-complex.c (expand_complex_div_wide): Likewise.
11737 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11738 * tree-tailcall.c (eliminate_tailcall): Likewise.
11739 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11740 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11741 * tree-nrv.c (tree_nrv): Likewise.
11742 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11743 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11744 (combine_blocks): Likewise.
11745 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11746 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11747 (cleanup_control_flow): Likewise.
11748 (remove_forwarder_block): Likewise.
11749 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11750 * tree-sra.c (sra_replace): Likewise.
11751 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11752 (forward_propagate_single_use_vars): Likewise.
11753 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11754 * tree-inline.c (expand_call_inline): Likewise.
11755 * tree-vect-transform.c (vect_transform_loop): Likewise.
11756 * tree-outof-ssa.c (rewrite_trees): Likewise.
11757 * tree-cfg.c (make_goto_expr_edges): Likewise.
11758 (cleanup_dead_labels): Likewise.
11759 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11760 (bsi_move_before, bsi_move_after): Likewise.
11761 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11762 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11764 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11767 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11769 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11770 on non gimple variables. Also add checks at the top for decls and
11772 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11774 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11775 and IMAGPART_EXPR for creating MUST_DEFs.
11776 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11777 and NAME_MEMORY_TAG separately from the DECLs.
11779 2006-01-06 Richard Guenther <rguenther@suse.de>
11781 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11782 annotation, if necessary.
11783 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11784 redundant calls to update_stmt.
11785 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11788 2006-01-05 Richard Henderson <rth@redhat.com>
11790 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11792 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11794 * c-typeck.c: Update copyright date.
11796 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11798 * c-typeck.c (build_c_cast): Always warn when casting
11799 from a pointer to an integer of different size, even if
11800 the node was constant.
11802 2006-01-05 Richard Guenther <rguenther@suse.de>
11804 PR tree-optimization/22555
11805 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11806 if one structure field is an array.
11807 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11808 operands even if we found a subvar, but ignore VOPs in this
11810 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11812 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11814 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11816 PR middle-end/24998
11817 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11819 2006-01-05 Richard Guenther <rguenther@suse.de>
11820 Diego Novillo <dnovillo@redhat.com>
11822 * tree-pass.h (TODO_remove_unused_locals): Define.
11823 * gimple-low.c (expand_var_p, remove_useless_vars,
11824 pass_remove_useless_vars): Remove. Update all users.
11825 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11826 (remove_unused_locals): New function.
11827 * tree-flow.h (remove_unused_locals): Declare.
11828 * passes.c (execute_todo): Call remove_unused_locals if
11829 TODO_remove_unused_locals is set.
11830 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11831 * tree-ssa-dce.c (pass_dce): Likewise.
11832 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11834 2006-01-05 Richard Guenther <rguenther@suse.de>
11836 * tree-flow.h (struct fieldoff): Decompose field to
11837 type, size and decl.
11838 * tree-ssa-alias.c (create_sft): Take type as parameter.
11839 (create_overlap_variables_for): Store type, size and decl
11840 in the fieldoff structure.
11841 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11842 of struct fieldoff.
11843 (push_fields_onto_fieldstack): Likewise.
11844 (create_variable_info_for): Likewise. Use offset for the
11845 SFT name if the decl is not available.
11847 2006-01-04 Paul Brook <paul@codesourcery.com>
11849 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11851 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11853 * lambda-code.c (can_put_in_inner_loop): Relax
11855 (can_put_after_inner_loop): New function.
11856 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11857 (perfect_nestify): Change to make copies and modify uses.
11859 2006-01-04 Richard Henderson <rth@redhat.com>
11861 Merge from gomp branch:
11862 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11863 via integer constant.
11864 (pragma_lex): Remove.
11865 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11866 rather than parsing it.
11867 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11868 handle_pragma_extern_prefix): Add %< %> quotes.
11869 (registered_pragmas): New.
11870 (c_register_pragma_1): New.
11871 (c_register_pragma): Use it.
11872 (c_register_pragma_with_expansion): Likewise.
11873 (c_invoke_pragma_handler): New.
11874 (init_pragma): Use cpp_register_deferred_pragma directly for
11876 * c-pragma.h (enum pragma_kind): New.
11877 (pragma_handler): New.
11878 (c_invoke_pragma_handler): Declare.
11879 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11881 * c-common.h (c_common_pch_pragma): Update decl.
11882 * Makefile.in (c-parser.o): Update dependencies.
11883 (GTFILES): Add c-pragma.h.
11884 * c-parser.c (struct c_token): Add pragma_kind.
11885 (struct c_parser): Add in_pragma.
11886 (c_lex_one_token): Always initialize keyword and pragma_kind.
11887 Extract data for CPP_PRAGMA.
11888 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11889 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11890 Don't allow CPP_PRAGMA_EOL if in_pragma.
11891 (c_parser_consume_pragma): New.
11892 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11893 (c_parser_skip_to_end_of_parameter): Likewise.
11894 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11895 (c_parser_skip_to_pragma_eol): New.
11896 (c_parser_external_declaration): Handle CPP_PRAGMA.
11897 (c_parser_compound_statement_nostart): Likewise.
11898 (c_parser_statement_after_labels): Likewise.
11899 (c_parser_pragma): New.
11900 (pragma_lex): Likewise.
11901 (c_parser_pragma_pch_preprocess): New.
11902 (c_parser_new): Merge into ...
11903 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11905 2006-01-04 Jeff Law <law@redhat.com>
11908 * tree-cfg.c (bsi_replace): Remove the original statement
11909 from the EH throw statement table.
11911 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11913 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11914 make the prototype extern "C" and add throw ().
11917 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11918 and pos non-negative and pos + len <= 32.
11919 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11920 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11921 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11924 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11925 as well as sizes not multiple of component size.
11928 * function.c (instantiate_expr): New function.
11929 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11930 walk its DECL_VALUE_EXPR with instantiate_expr.
11932 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11933 DW_OP_deref{,_size} if address isn't going to be added.
11935 2006-01-04 Ben Elliston <bje@au.ibm.com>
11937 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11938 * config/fp-bit.c: Likewise.
11940 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11942 * dominance.c: Add comment about why we use DFS numbering
11945 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11946 Richard Henderson <rth@redhat.com>
11948 Merge from gomp-branch:
11949 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11950 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11952 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11954 PR rtl-optimization/25578
11955 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11956 pass a parameter to simplify_shift_const if changing ASHIFTRT
11959 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11961 * builtins.c (get_builtin_sync_mem): New function.
11962 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11963 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11964 Call get_builtin_sync_mem to generate mem rtx.
11966 2006-01-03 Richard Guenther <rguenther@suse.de>
11969 * stmt.c (add_case_node): Make sure to clear overflow flags
11972 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11974 Merge from gomp-branch.
11975 * config/sparc/sync.md: New file.
11976 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11977 UNSPECV_LDSTUB): New constants.
11978 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11979 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11980 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11983 2006-01-03 Roger Sayle <roger@eyesopen.com>
11985 * combine.c (reg_subword_p): New predicate to test whether the
11986 destination of a set refers to a subword/piece of a register.
11987 (try_combine): Generalize the code to merge the setting of a
11988 pseudo to a constant followed by a set of a subword of that
11989 register to a constant.
11991 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11993 * basic-block.h (control_flow_graph): Change the type of
11994 x_label_to_block_map to VEC(basic_block,gc) *.
11995 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11996 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11998 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11999 VEC(basic_block,heap) *.
12000 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12001 ssa_prop_fini): Adjust the uses of cfg_blocks.
12003 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12005 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12007 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12008 hashing trees instead of a pointer hash.
12009 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12010 compare for MEM_EXPR.
12012 PR rtl-optimization/25130
12013 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12014 when comparing MEMs for GCSE
12016 2006-01-03 Ben Elliston <bje@au.ibm.com>
12018 * targhooks.h (default_decimal_float_supported_p): Declare.
12019 * targhooks.c (default_decimal_float_supported_p): Define.
12020 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12021 `default_decimal_float_supported_p'.
12022 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12024 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12026 * combine.c (apply_distributive_law <SUBREG>): Check
12027 TRULY_NOOP_TRUNCATION.
12029 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12031 * dwarf2out.c (have_switched_text_section): Delete.
12032 (have_multiple_function_sections): New.
12033 (have_location_lists): Make 'bool'.
12034 (add_AT_loc_list): Use 'true' not '1'.
12035 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12036 (output_loc_list): Use have_multiple_function_sections.
12037 (output_ranges): Likewise.
12038 (dwarf2out_begin_function): Set have_multiple_function_sections if
12040 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12041 Check function_section rather than DECL_SECTION_NAME.
12042 (dwarf2out_finish): Use have_multiple_function_sections.
12043 Don't clear have_location_lists.
12045 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12046 Jan Hubicka <jh@suse.cz>
12048 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12049 case of conditional jump jumping to the next instruction.
12050 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12051 cases of conditional jump jumping to the next instruction.
12053 2006-01-02 Jan Hubicka <jh@suse.cz>
12055 * i386.c (*_cost): Add COSTS_N_INSNS.
12056 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12058 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12061 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12063 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12065 * config/arm/arm.c (all_fpus): Fix comment typo.
12066 * config/darwin.c: Likewise.
12067 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12068 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12069 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12071 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12073 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12074 (rs6000_split_compare_and_swapqhi): New.
12075 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12076 (sync_compare_and_swapqhi_internal): New.
12077 * config/rs6000/rs6000-protos.h: Declare.