1 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
3 * fold-const.c (fold_cond_expr_with_comparison): Check for
4 Objective-C++ as language in deciding COND_EXPR transformation.
6 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
9 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
10 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
11 * config/sh/lib1funcs.h (SL, SL1): Define.
12 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
13 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
14 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
15 (OBJS_Os_4_200): New variable.
16 ($(T)libgcc-Os-4-200.a): Use it.
17 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
18 when dividing 1 and/or by 0.
20 2006-06-13 Roger Sayle <roger@eyesopen.com>
22 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
23 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
24 * configure: Regenerate.
26 2006-06-13 Jie Zhang <jie.zhang@analog.com>
28 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
31 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
34 * haifa-sched.c (check_cfg): Handle special case.
36 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
39 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
40 Add debug_info parameter. Chain the vars to the BLOCK instead
41 of the BIND_EXPR if debug info are requested for them.
42 (pop_gimplify_context): Adjust for above change.
43 (gimple_add_tmp_var): Likewise.
44 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
46 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
47 (convert_local_reference): Likewise.
48 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
49 (finalize_nesting_tree_1): Request that debug info be emitted
52 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
54 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
57 2006-06-13 Richard Guenther <rguenther@suse.de>
60 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
62 2006-06-13 Richard Guenther <rguenther@suse.de>
64 PR tree-optimization/27830
65 * tree-inline.c (copy_body_r): For copying the operand
66 of an ADDR_EXPR make sure to fold &* afterwards.
68 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
70 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
71 lvalues in the fb_none case with side-effects.
73 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
75 * tree-flow.h: Remove the prototype for
76 compute_phi_arg_on_exit.
77 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
78 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
81 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
83 * builtins.c (expand_builtin_return_addr): Only use
84 frame_pointer_rtx when count == 0 and we are expanding
85 __builtin_return_address.
87 2006-06-12 Fred Fish <fnf@specifix.com>
89 * config/mips/mips.c (mips_file_start): Create special section
90 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
92 2006-06-11 Eric Christopher <echristo@apple.com>
95 * stor-layout.c (place_field): Remove check for
96 remaining_in_alignment when aligning at the end of a run.
98 2006-06-11 Eric Christopher <echristo@apple.com>
101 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
104 2006-06-11 Roger Sayle <roger@eyesopen.com>
107 Revert incorrect fix for PR target/27158
108 2006-05-08 Roger Sayle <roger@eyesopen.com>
109 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
110 of a reg_equiv_constant if the result is a legitimate constant.
112 2006-06-11 Roger Sayle <roger@eyesopen.com>
115 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
116 extract a CONST_VECTOR element and interpret it as an integer.
117 (vspltis_constant): Use const_vector_elt_as_int instead of the
118 macro CONST_VECTOR_ELT in order to handle FP vector modes.
119 * config/rs6000/predicates.md (easy_vector_const): Consider
120 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
122 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
125 * stor-layout.c (update_alignment_for_field): Don't add extra
126 alignment for packed non-bitfield fields in ms_bitfield_layout_p
129 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
131 * config/mips/t-rtems: Add EL/EB multilib variants.
133 2006-06-09 Mike Stump <mrs@apple.com>
135 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
137 2006-06-09 David Daney <ddaney@avtrex.com>
139 * doc/install.texi: Add binutils version recommendation for mips-*-*.
141 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
143 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
145 2006-06-09 Richard Guenther <rguenther@suse.de>
147 PR tree-optimization/26998
148 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
149 of signed types, only TYPE_MIN_VALUE is special, but for both,
150 minimum and maximum value. Likewise VR_ANTI_RANGE is special
151 in this case, as is -fwrapv.
153 2006-06-08 Mike Stump <mrs@apple.com>
156 * config/darwin.c (darwin_asm_output_anchor): Disable
157 -fsection-anchors on darwin for now.
158 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
159 * rs6000/rs6000.c (optimization_options): Likewise.
161 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
164 * config/i386/i386.c (classify_argument): Skip fields with invalid
167 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
169 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
170 (cse_insn): Likewise for the stack_pointer_rtx.
172 2006-06-08 Roger Sayle <roger@eyesopen.com>
174 * tree-ssa-dom.c (record_conditions): Only record "unordered"
175 conditions from floating point comparisons.
177 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
180 * expmed.c (struct alg_hash_entry): Fix type of field T
181 to match synth_mult argument.
182 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
184 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
187 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
190 2006-06-08 Richard Guenther <rguenther@suse.de>
193 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
194 only, if overflow is defined and not trapping.
195 (negate_expr): Likewise.
197 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
199 PR tree-optimization/27872
200 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
201 flag on the new exit edge of the unrolled loop.
203 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
205 PR rtl-optimization/26449
206 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
208 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
211 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
212 referenced_variables with matching DECL_UID's.
213 (find_referenced_vars): Make sure duplicate list is empty to start.
214 (referenced_var_p): Remove.
215 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
216 Check if var is in the list, and add if needed. Update the duplicate
217 list if a different var is in the list with the same DECL_UID.
218 (add_referenced_var): Call routine to check and insert.
219 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
220 * tree-flow.h (referenced_vars_dup_list): External declaration.
222 2006-06-07 Fred Fish <fnf@specifix.com>
224 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
227 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
230 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
231 the imaginary and real parts of a clobbered register.
232 Emit insn to set the imaginary part.
234 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
236 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
237 in lieu of unwind-dw2-fde.c.
239 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
241 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
243 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
246 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
247 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
248 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
249 V4SImode temporaries and operations instead.
251 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
253 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
256 2006-06-06 Mike Stump <mrs@apple.com>
258 * Makefile.in: Rename to htmldir to build_htmldir to avoid
259 installing during build.
261 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
263 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
265 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
266 * config/ia64/ia64.c (params.h): New header.
267 (ia64_optimization_options): New function to adjust parameters.
268 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
269 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
270 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
272 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
274 * stor-layout.c (debug_rli): Fix a typo in a debug message.
276 2006-06-05 Steve Ellcey <sje@cup.hp.com>
279 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
281 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
282 Victor Kaplansky <victork@il.ibm.com>
284 PR tree-optimization/26360
285 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
288 2006-06-04 Roger Sayle <roger@eyesopen.com>
289 Andrew Pinski <pinskia@physics.uc.edu>
292 * c-common.c (c_common_truthvalue_conversion): Explicitly check
293 for LABEL_DECL before calling DECL_WEAK.
296 * c-typeck.c (build_binary_op): Likewise, explicitly check for
297 LABEL_DECL and PARM_DECL.
299 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
303 * c-decl.c (grokdeclarator): Disallow variably modified types at
304 file scope. Avoid marking shared array type of constant size as
307 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
310 * c-common.c (fold_offsetof_1): Handle static members.
312 2006-06-04 Eric Christopher <echristo@apple.com>
314 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
315 (debug_rli): Output value for remaining_in_alignment.
316 (update_alignment_for_field): Unconditionalize
317 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
318 extra alignment code.
319 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
320 ms_bitfield_layout_p code. Rewrite handling of structure fields.
321 * tree.h (record_layout_info_s): Remove prev_packed.
322 * doc/extend.texi (ms_struct): Add documentation of format.
324 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
326 * tree.h: Declare folding_initializer.
327 * builtins.c (fold_builtin_constant_p): Give definite answer
328 if folding inside an initializer.
329 * fold-const.c: Define folding_initializer.
330 (START_FOLD_INIT): Save and then set folding_initializer.
331 (END_FOLD_INIT): Restore folding_initializer.
333 2006-06-04 Richard Guenther <rguenther@suse.de>
335 PR tree-optimization/27039
336 * fold-const.c (fold_comparison): Handle pointer comparison
337 again for all comparison codes. Compare offsets in signed
339 (fold_binary): Move code from here.
341 2006-06-03 Roger Sayle <roger@eyesopen.com>
344 * config/i386/i386.c (construct_container): Split static issued_error
345 flag into issued_sse_arg_error, issued_sse_ret_error and
346 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
347 requires the use of x87 registers and the user explicitly
348 specified the -mno-80387 command line option.
350 2006-06-02 Geoffrey Keating <geoffk@apple.com>
352 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
353 HAVE_DECL_SIGALTSTACK.
355 (segv_handler): Use MC_FLD.
356 * configure.ac: Check for a sigaltstack declaration.
357 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
358 * configure: Regenerate.
359 * config.in: Regenerate.
361 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
364 * Makefile.in (stmp-fixinc): Fix typo.
366 2006-06-02 Roger Sayle <roger@eyesopen.com>
368 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
369 are type correct. Clean-up.
370 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
371 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
373 2006-06-01 DJ Delorie <dj@redhat.com>
375 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
376 shift, as we've disabled the "switch" insn that needs it.
378 2006-06-01 Per Bothner <bothner@bothner.com>
380 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
381 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
382 * c-ppoutput.c (cb_define): Don't increment line 0.
384 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
386 * doc/invoke.texi: Add cpu_type power6.
387 * config.gcc: Add cpu_type power6.
388 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
389 to power5+ with Altivec.
390 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
391 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
393 2006-05-30 Anatoly Sokolov <aesok@post.ru>
395 * config/avr/avr.h (SET_ASM_OP): Define.
397 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
399 * config/bfin/bfin.c: Fix comment typos.
401 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
404 * doc/install.texi: Document --enable-bootstrap and
407 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
409 * doc/install.texi: Document that InfoZIP can replace jar.
411 2006-05-31 Roger Sayle <roger@eyesopen.com>
413 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
414 isn't available, directly generate the simpler x87 patterns without
415 the (use (const_int 0)).
416 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
417 implementation isn't available.
418 (*negdf2_1): Likewise.
419 (*negxf2_1): XF mode negation is always done using the x87.
420 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
422 2006-05-31 Roger Sayle <roger@eyesopen.com>
424 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
425 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
427 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
429 2006-05-31 Jie Zhang <jie.zhang@analog.com>
431 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
432 * config/bfin/bfin.c (basic-block.h): Include.
433 (struct machine_function): New.
434 (bfin_init_machine_status): New.
435 (override_options): Initialize init_machine_status.
436 (bfin_hardware_loop): New.
437 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
438 (DEF_VEC_P (loop_info)): New.
439 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
440 (struct loop_info): New.
441 (loop_info): New typedef.
442 (struct loop_work): New.
443 (loop_work): New typedef.
444 (DEF_VEC_O (loop_work)): New.
445 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
446 (bfin_dump_loops): New.
447 (bfin_bb_in_loop): New.
448 (bfin_scan_loop): New.
449 (bfin_optimize_loop): New.
450 (bfin_reorg_loops): New.
451 (bfin_reorg): Use bfin_reorg_loops.
452 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
454 (I_REGNO_P): Simplify.
455 (DP_REGNO_P, DPREG_P): New macros.
456 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
457 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
458 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
459 Add LT_REGS, LC_REGS, LB_REGS.
460 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
462 (REGNO_REG_CLASS): Deal with loop registers.
463 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
465 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
466 New constants for loop registers.
467 (UNSPEC_LSETUP_END): New.
468 (seq_insns): New define_attr. Set it for appropriate insns.
469 (movsi_insn): Add alternatives for move from/to
470 loop count registers.
471 (doloop_end): New define_expand.
472 (loop_end): New define_insn.
473 (define_split for bad doloop_end): New.
474 (lsetup_with_autoinit): New define_insn.
475 (lsetup_without_autoinit): New define_insn.
476 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
477 * config/bfin/predicates.md (lc_register_operand): New.
478 (lt_register_operand): New.
479 (lb_register_operand): New.
480 (nondp_register_operand): New.
481 (nondp_reg_or_memory_operand): New.
482 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
484 2006-05-31 Jie Zhang <jie.zhang@analog.com>
486 * config/bfin/bfin.c (bfin_delegitimize_address): New.
487 (TARGET_DELEGITIMIZE_ADDRESS): Define.
489 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
491 * Makefile.in (CATALOGS): Add po/ prefix.
492 * configure: Regenerated.
494 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
497 * arm.c (arm_print_operand case 'S'): Validate that the operand is
498 a shift operand before calling shift_op. Avoid redundant call of
501 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
502 DJ Delorie <dj@redhat.com>
504 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
505 we're inserting is a singlt-bit constant.
507 2006-05-30 Roger Sayle <roger@eyesopen.com>
509 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
510 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
512 2006-05-30 Roger Sayle <roger@eyesopen.com>
514 PR tree-optimization/23452
515 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
516 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
517 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
518 complex values and with -ffast-math for FP complex values.
520 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
522 * c-common.h: Remove the prototype for yyparse.
523 * rtl.h: Remove the prototype for init_loop.
525 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
527 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
530 2006-05-30 Roger Sayle <roger@eyesopen.com>
532 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
534 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
535 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
537 2006-05-30 Dirk Mueller <dmueller@suse.de>
540 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
541 for CONSTANT_CLASS_P expresisons.
543 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
546 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
548 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
550 PR tree-optimization/27779
551 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
552 initial_condition instead of CHREC_LEFT.
554 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
556 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
557 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
558 Make prototypes ISO C90.
560 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
561 Leehod Baruch <leehod.baruch@weizmann.ac.il>
563 * see.c (see_analyze_one_def): Correct check.
564 (see_get_extension_data): Check if extension is parallel.
565 (see_get_extension_reg): Likewise.
567 2006-05-30 Uros Bizjak <uros@kss-loka.si>
570 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
571 into register for (code == GTU).
573 2006-05-29 Roger Sayle <roger@eyesopen.com>
575 PR tree-optimization/24964
576 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
577 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
578 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
579 abs(x)*abs(x) as x*x for scalar floating point modes.
581 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
584 * lambda-code.c (perfect_nestify): Don't copy statements
585 in the inner loop: move them to the inner loop header.
587 2006-05-29 Diego Novillo <dnovillo@redhat.com>
590 * c-tree.texi: Document OpenMP directives and clauses.
592 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
594 * varasm.c (globalize_decl): Fix indentation.
596 2006-05-29 Diego Novillo <dnovillo@redhat.com>
599 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
600 pass_fre, pass_store_ccp, pass_copy_prop,
601 pass_store_copy_prop, pass_merge_phi, pass_nrv,
602 pass_return_slot, pass_object_size, pass_lim,
603 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
604 pass_loop_prefetch and pass_stdarg.
606 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
608 * config/bfin/bfin.opt (mfdpic): New option.
609 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
610 (EXTRA_MULTILIB_PARTS): Likewise.
611 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
612 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
614 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
615 (CRT_CALL_STATIC_FUNCTION): New.
616 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
618 (CRT_CALL_STATIC_FUNCTION): New.
619 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
621 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
622 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
623 (initialize_trampoline): Changed to handle FD-PIC code generation.
624 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
625 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
626 (override_options): Disallow -mid-shared-library -mfdpic combination.
627 Can't do unaligned ops if FD-PIC.
628 Turn off flag_pic if trying to generate non-id-shared-library
629 non-fdpic code, since it's not supported.
630 (bfin_assemble_integer): New function.
631 (TARGET_ASM_INTEGER): Define.
632 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
634 * config/bfin/crtn.s: Restore them.
635 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
637 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
638 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
639 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
640 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
641 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
643 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
644 FDPIC_REGS and FDPIC_FPTR_REGS.
645 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
646 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
647 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
648 (load_funcdescsi): New pattern.
649 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
650 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
651 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
653 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
655 * gcse.c, rtlanal.c: Remove obsolete comments associated with
658 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
660 * tree-flow.h: Remove the prototype for add_type_alias.
661 * tree-ssa-alias.c (add_type_alias): Remove.
663 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
665 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
666 config/fr30/fr30.md, config/i386/i386-interix.h,
667 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
668 config/sh/superh64.h, config/v850/v850.c, df-core.c,
669 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
670 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
671 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
672 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
673 Follow spelling conventions.
674 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
675 Follow spelling conventions.
677 2006-05-27 Richard Guenther <rguenther@suse.de>
680 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
681 to produce a constant of value 1 of generic type.
683 2006-05-27 Dirk Mueller <dmueller@suse.de>
685 * cgraphunit.c (decide_is_function_needed): Fix wrong
688 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
690 PR rtl-optimization/27661
691 * reload.c (find_reloads): When reloading a VOIDmode constant
692 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
693 use Pmode as mode of the reload register.
695 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
697 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
698 is enabled at -O and above.
700 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
703 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
706 2006-05-25 Mark Mitchell <mark@codesourcery.com>
709 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
710 for anonymous variables explicitly declared by front ends.
712 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
714 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
715 (struct alias_info): Add new field ref_all_symbol_mem_tag.
716 * tree-ssa-alias.c (compute_may_aliases): If the program contains
717 ref-all pointers, run a finalization pass for them.
718 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
719 (finalize_ref_all_pointers): New function.
720 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
721 regular pointer type to a ref-all pointer type.
722 (get_tmt_for): Return the special memory tag for ref-all pointers.
724 2006-05-25 Richard Guenther <rguenther@suse.de>
727 * fold-const.c (fold_binary): Do not look at the stripped
728 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
730 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
732 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
733 for LT and GT if the computed range is effectively empty.
735 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
738 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
739 mips_quad_format formats instead of ieee_single_format,
740 ieee_double_format and ieee_quad_format formats, respectively.
742 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
744 PR tree-optimization/27639
745 PR tree-optimization/26719
746 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
747 call to scev_probably_wraps_p.
748 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
749 used_in_pointer_arithmetic_p, convert_step): Removed.
750 (nowrap_type_p): New function.
751 (scev_probably_wraps_p): Rewritten.
752 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
753 chrec_convert if chrec_convert_aggressive might have been used.
754 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
755 scev_direction): New functions.
756 (chrec_convert): Changed to a wrapper over chrec_convert_1.
757 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
758 instead of convert_step.
759 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
760 (convert_step): Declaration removed.
761 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
763 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
765 * df-core.c: Added to header comments.
766 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
767 df_ur_bb_info, df_urec_bb_info): Added comments.
768 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
769 urec, ri problems): Fixed header comments.
770 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
771 code from df_rd_transfer_function.
773 2006-05-23 Richard Sandiford <richard@codesourcery.com>
775 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
776 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
777 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
779 2006-05-23 Joseph Myers <joseph@codesourcery.com>
781 * expr.c (undefined_operand_subword_p): New.
782 (emit_move_multi_word): Do not generate move from undefined bits
783 of a paradoxical subreg.
785 2006-05-23 Richard Sandiford <richard@codesourcery.com>
787 PR rtl-optimization/27736
788 * combine.c (replaced_rhs_value): New variable.
789 (combine_instructions): Set it.
790 (distribute_notes): When distributing a note in replaced_rhs_insn,
791 check whether the value was used in replaced_rhs_value.
793 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
796 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
797 add_referenced_var instead of add_referenced_tmp_var.
798 * tree-complex.c (create_one_component_var): Use add_referenced_var.
799 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
801 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
802 tree_optimize_tail_calls_1): Use add_referenced_var.
803 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
804 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
805 Use add_referenced_var.
806 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
807 * gimplify.c (force_gimple_operand): Use add_referenced_var.
808 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
809 Use add_referenced_var.
810 * tree-dfa.c (struct walk_state): Remove.
811 (find_referenced_vars): Remove walk state and vars_found hash table.
812 (make_rename_temp): Use add_referenced_var.
813 (find_vars_r): Pass less parameters to add_referenced_var.
814 (referenced_var_p): New. Is var in referenced_var hash table.
815 (referenced_var_insert): Assert var isn't already in hash table.
816 (add_referenced_var): Don't need walk_state parameter. Add var if it
817 isn't already in the hash table.
818 (add_referenced_tmp_var): Remove.
819 (find_new_referenced_vars_1): Use add_referenced_var.
820 * tree-ssa-pre.c (create_expression_by_pieces,
821 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
822 Use add_referenced_var.
823 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
824 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
825 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
827 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
828 vect_create_data_ref_ptr, vect_create_destination_var,
829 vect_init_vector, vect_build_loop_niters,
830 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
831 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
832 Use add_referenced_var.
833 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
834 * tree-flow.h (add_referenced_tmp_var): Remove prototype
835 (add_referenced_var): Add prototype.
836 * tree-ssa-structalias.c (get_constraint_for,
837 intra_create_variable_infos): Use add_referenced_var.
839 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
841 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
842 big-endian paradoxical subregs.
843 * var-tracking.c (struct micro_operation_def): Document that,
844 for modify micro operations, insn is the subsequent instruction.
845 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
846 (var_reg_set, var_mem_set): ... new functions.
847 (add_stores): Record subsequent insn.
848 (compute_bb_dataflow): Use new functions for MO_USE.
849 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
850 notes after the insn, and modify notes before the insn known
851 to be the subsequent one.
852 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
854 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
857 * config/i386/i386.c (ix86_expand_builtin): Use
858 gen_sse3_monitor64 for TARGET_64BIT.
860 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
862 PR rtl-optimization/26375
863 PR rtl-optimization/26855
864 * df-problems (df_ru_bb_local_compute_process_def): Removed update
866 (df_ru_bb_local_compute): Reversed statements and removed bogus
867 comment explaining why they should be in wrong order.
868 (df_ru_dump, df_rd_dump): Enhanced debug info.
869 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
871 * ddg.c (add_deps_for_def): Converted use of reaching defs to
872 reaching uses and fixed space problem.
874 2006-05-23 Jan Hubicka <jh@suse.cz>
876 * cgraphunit.c (decide_is_function_needed): Also nested functions
877 and functions declared inline can be optimized out at -O0.
879 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
881 * doc/install.texi (Configuration): Remove reference to CrossGCC
882 FAQ which was hijacked.
885 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
888 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
889 ix86_compare_emitted is non-NULL.
891 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
894 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
897 2006-05-22 Richard Sandiford <richard@codesourcery.com>
899 PR rtl-optimization/25514
900 * combine.c (replaced_rhs_insn): New variable.
901 (combine_instructions): Set replaced_rhs_insn when trying to replace
902 a SET_SRC with a REG_EQUAL note.
903 (distribute_notes): Use replaced_rhs_insn when determining the live
904 range of a REG_DEAD register.
906 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
907 Anatoly Sokolov <aesok@post.ru>
909 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
910 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
911 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
912 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
913 atmega3290, atmega649, atmega6490, atmega406, atmega640,
914 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
915 at90usb647, at90usb1286 and at90usb1287 devices.
916 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
917 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
919 2006-05-22 Richard Sandiford <richard@codesourcery.com>
921 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
923 2006-05-22 Richard Guenther <rguenther@suse.de>
926 2006-01-31 Richard Guenther <rguenther@suse.de>
927 Paolo Bonzini <bonzini@gnu.org>
929 * doc/install.texi (--disable-libgcc-math): Document.
931 2006-05-22 Richard Guenther <rguenther@suse.de>
934 2006-01-31 Richard Guenther <rguenther@suse.de>
936 * doc/invoke.texi (-msselibm): Document.
937 * target.h (expand_library_builtin): New target hook.
938 * builtins.c (expand_builtin): Use expand_library_builtin.
939 (default_expand_library_builtin): New function.
940 * gcc.c (LINK_GCC_MATH_SPEC): Define.
941 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
942 (link_gcc_math_spec): Declare.
943 (static_specs): Add link_gcc_math_spec.
944 * expr.h (default_expand_library_builtin): Declare.
945 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
946 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
947 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
948 * config/i386/i386.opt (msselibm): New target option.
949 * config/i386/i386.c (ix86_builtin_function_variants): New array.
950 (ix86_init_sse_abi_builtins): New function.
951 (ix86_expand_library_builtin): Likewise.
952 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
953 (override_options): Handle error conditions wrt -msselibm.
954 (ix86_builtins): Add function codes for SSE2 ABI builtins.
955 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
956 * doc/extend.texi (__builtin_sse2_*): Document new target specific
959 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
962 * c-common.c (self_promoting_args_p): Skip erroneous args.
965 * c-decl.c (finish_struct): Skip erroneous fields.
967 2006-05-22 Nick Clifton <nickc@redhat.com>
969 * config/cris/cris.opt (march): Remove VarExists attribute.
970 (max-stackframe=): Likewise.
972 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
974 * doc/rtl.texi: Fix a typo.
975 * see.c: Fix comment typos.
977 * tree-ssa-structalias.h (alias_info): Remove num_references.
979 2006-05-21 Mike Stump <mrs@apple.com>
981 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
983 (darwin_pragma_options): Use BAD instead.
984 (darwin_pragma_unused): Likewise.
985 (darwin_pragma_ms_struct): Likewise.
987 2006-05-21 David Edelsohn <edelsohn@gnu.org>
989 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
991 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
993 PR rtl-optimization/27671
994 * simplify-rtx.c (simplify_relational_operation_1): Fix
995 simplifications of (eq/ne (xor x y) y) and
998 PR tree-optimization/26622.
999 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1002 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1004 * tree-cfg.c: Prune whitespace.
1005 (debug_tree_cfg): Point to correct header containing the
1008 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1011 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1013 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1016 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1017 or sorry count is non zero.
1019 2006-05-20 Andreas Schwab <schwab@suse.de>
1021 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1023 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1024 Kenneth Zadeck <zadeck@naturalbridge.com>
1026 PR rtl-optimization/26855
1028 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1030 (df_scan_alloc): Added code to properly handle multiword hard
1031 registers and add all_blocks parameter.
1032 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1033 code to properly handle multiword hard registers.
1034 (df_rescan_blocks): Added code to remove deleted blocks from
1036 (df_ref_create_structure, df_ref_record): Added code to properly
1038 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1039 and set DF_REF_PARTIAL.
1040 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1041 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1042 (df_scan_add_problem): Added flags parameter.
1043 (df_ref_create_structure): Changed switching structure.
1044 (df_bb_refs_record): Fixed case where duplicate artificial refs
1045 were created. Changed location of flags.
1046 (df_record_entry_block_defs): Added code to make stack pointer
1047 live in entry block. Refined cases where frame pointer is needed.
1048 Changed location of flags.
1049 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1050 (df_set_state): Removed function.
1051 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1052 df_insn_create_insn_record, df_insn_refs_delete,
1053 df_ref_create_structure): Formatting changes.
1054 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1055 df_delete_basic_block): New function.
1056 (df_init): Changed location of flags.
1057 (df_add_problem): Added flags parameter and the way flags are
1059 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1060 debug_df_chain): Improved debugging output.
1061 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1062 (df_refs_chain_dump): Removed df parameter.
1063 (df_iterative_dataflow): Added consistency check.
1064 (df_prune_to_subcfg): Made public.
1065 (df_analyze_problem): Added blocks_to_init parameter and made
1067 (df_ref_record, df_bb_refs_record, df_mark_reg,
1068 df_record_exit_block_uses): Whitespace changes.
1069 (df_dump): Whitespace changes.
1070 * df.h: Some reordering to remove forward references.
1071 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1072 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1073 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1074 (dataflow.flags): New field.
1075 (df.flag): Deleted field.
1076 (df_alloc_function): Added additional bitmap parameter.
1077 (df_dependent_problem_function): New type.
1078 (df_problem.changeable_flags): New field.
1079 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1080 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1081 (df_mw_hardreg): New struct.
1082 (DF_INSN_UID_MWS): New macro.
1083 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1085 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1086 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1087 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1088 (df_set_state): Removed function.
1089 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1090 * df-problems.c (df_chain_dump): Removed df parameter.
1091 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1092 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1094 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1095 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1096 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1097 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1098 DF_REF_MUST_CLOBBER cases.
1099 (df_ru_bb_local_compute_process_def,
1100 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1101 df_lr_bb_local_compute, df_ur_bb_local_compute,
1102 df_chain_create_bb): Made subreg aware.
1103 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1104 df_lr_bb_local_compute, df_lr_bb_local_compute,
1105 df_chain_create_bb): Cleanup to use proper macros.
1106 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1107 code to fixup bitvectors.
1108 (df_ri_alloc): Cleared lifetime.
1109 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1110 df_create_unused_note): New function.
1111 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1112 REG_DEAD and REG_UNUSED notes as well as register information.
1113 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1114 df_chains_dump): Fixed crash if problem was never run.
1115 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1116 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1117 df_ri_add_problem): Processes flags in uniform manner.
1118 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1119 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1120 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1121 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1122 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1123 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1124 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1125 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1126 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1127 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1128 * see.c (see_initialize_data): Ditto.
1129 * final.c (rest_of_clean_state) Added regstack_completed.
1130 * rtl.h (regstack_completed): Ditto.
1131 * reg-stack.c (regstack_completed): Ditto.
1133 2006-05-19 Mike Stump <mrs@apple.com>
1135 * c-tree.h (default_conversion): Remove.
1136 * c-common.h (default_conversion): Add.
1138 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1140 * tree-vrp.c (valid_value_p): New function.
1141 (adjust_range_with_scev): Fail if the value of bound is not
1144 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1146 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1147 (mips_fallback_frame_state): Use syscall numbers to determine
1148 the appropriate li instruction for the current ABI. Only use
1149 __NR_sigreturn for o32.
1151 2006-05-19 Nicolas Setton <setton@adacore.com>
1153 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1154 * langhooks.c (lhd_dwarf_name): New function.
1155 * langhooks-def.h (lhd_dwarf_name): Declare.
1156 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1157 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1158 * ada/misc.c (gnat_dwarf_name): New function.
1159 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1161 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1163 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1165 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1166 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1167 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1168 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1169 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1170 determine the size of Wtype, etc.
1171 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1172 (swfloatfuncs): New variable.
1173 (dwfloatfuncs): Likewise.
1174 (lib2funcs): Remove floating-point conversion functions from
1175 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1176 the set of conversion routines needed. Allow entries to specify
1177 an object name, filename and word size. Update users accordingly.
1178 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1179 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1183 2006-02-08 Roger Sayle <roger@eyesopen.com>
1186 * config/fixtfdi.c: New libgcc source file.
1187 * config/fixunstfdi.c: New source file.
1188 * config/floatditf.c: New source file.
1189 * config/floatunditf.c: New souce file.
1190 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1191 files above instead of config/mips/_tilib.c.
1192 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1194 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1196 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1197 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1199 2006-05-18 Mike Stump <mrs@apple.com>
1201 Fix up vla, vm and [*] sematics.
1207 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1208 (c_vla_unspec_p): Add.
1209 (c_vla_type_p): Add.
1210 * c-decl.c (struct c_scope): Add had_vla_unspec.
1211 (build_array_declarator): Add support for [*].
1212 (grokdeclarator): Likewise.
1213 (grokparms): Likewise.
1214 (get_parm_info): Likewise.
1215 * c-objc-common.c (c_vla_unspec_p): Likewise.
1216 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1217 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1218 typeof when argument is a variably modified type not inside sizeof or alignof.
1219 (c_parser_direct_declarator_inner): Propagate errors.
1220 (c_parser_sizeof_expression): Add support for [*].
1221 (c_parser_parms_declarator): Initialize had_vla_unspec.
1222 (c_parser_parms_list_declarator): Likewise.
1223 * c-typeck.c (c_vla_type_p): Add.
1224 (composite_type): Add support for vla compositing.
1225 (comptypes_internal): Add support for vla compatibility.
1226 (c_expr_sizeof_expr): Evaluate vla arguments.
1227 * tree.c (variably_modified_type_p): Update comment for [*].
1229 2006-05-18 Michael Matz <matz@suse.de>
1232 * config.host: Make assignments to host_xmake_file cumulative.
1233 * config.host (*-darwin*): Test $host, not $target.
1235 2006-05-12 Stuart Hastings <stuart@apple.com>
1237 * config/i386/i386.opt (-mstackrealign): New flag.
1238 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1239 (ix86_handle_cconv_attribute): Emit error when
1240 force_align_arg_pointer attribute collides with too many regparms.
1241 (ix86_function_regparm): Limit regparms when used with
1242 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1243 Support stack-realigning prologue in non-main functions. Emit
1244 warning for nested functions under -mstackrealign, emit error for
1245 nested functions with force_align_arg_pointer attribute.
1246 * doc/extend.texi (force_align_arg_pointer): Document it.
1247 * doc/invoke.texi (-mstackrealign): Document it.
1249 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1251 PR rtl-optimization/27477
1252 * combine.c (try_combine): Don't split a parallel consisting
1253 of two sets into two individual sets if both sets reference
1256 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1258 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1259 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1261 * doc/options.texi (VarExists): Updated.
1263 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1265 * unwind-dw2.c: Add declarations for uw_update_context and
1267 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1268 detected, advance frame state and context once to skip over stub.
1270 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1274 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1275 Call rewrite_into_loop_closed_ssa only when something changed.
1276 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1277 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1278 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1279 Test for perfect_nest_p here. Fix formating.
1280 (replace_uses_equiv_to_x_with_y): Fix formating.
1281 (stmt_uses_op): Removed.
1282 (can_convert_to_perfect_nest): Removed loopivs parameter.
1283 Complete the test by checking the scalar dependences.
1284 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1287 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1290 From Dan Kegel <dank@kegel.com>:
1291 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1293 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1295 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1296 if the element type is variably modified without recursing.
1298 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1301 * tree-loop-linear.c (try_interchange_loops): Test for
1302 no data dependences.
1304 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1306 PR tree-optimization/27548
1307 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1308 range of ssa names that appear on abnormal edges.
1309 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1310 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1312 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1315 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1317 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1320 * tree.h (OMP_PARALLEL_COMBINED): Define.
1321 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1322 (new_omp_context): Add is_combined_parallel argument.
1323 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1324 new_omp_context caller.
1325 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1326 Adjust gimplify_scan_omp_clauses callers.
1327 (omp_is_private): Issue errors if iteration variable is firstprivate
1328 or reduction in the current context.
1329 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1330 on combined parallel workshare constructs.
1332 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1334 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1335 (gcc-options.o): New rule.
1337 * optc-gen.awk: Protect variables for gcc-options.o with
1338 #ifdef GCC_DRIVER/#endif.
1340 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1342 Fix PR tree-optimization/27373
1343 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1344 (forward_propagate_addr_expr): Update call.
1346 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1348 * doc/options.texi: Move the Negative option.
1350 2006-05-16 Richard Guenther <rguenther@suse.de>
1352 PR tree-optimization/22303
1353 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
1355 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
1356 ccp_fold did not simplify the statement.
1358 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1361 * Makefile.in (GCC_OBJS): New.
1362 (OBJS-common): Add opts-common.o.
1363 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
1364 (cpp$(exeext)): Likewise.
1365 (gcc.o): Also depend on opts.h.
1366 (opts-common.o): New.
1368 * common.opt (gcoff): Add Negative(gdwarf-2).
1369 (gdwarf-2): Add Negative(gstabs).
1370 (gstabs): Add Negative(gstabs+).
1371 (gstabs+): Add Negative(gvms).
1372 (gvms): Add Negative(gxcoff).
1373 (gxcoff): Add Negative(gxcoff+).
1374 (gxcoff+): Add Negative(gcoff).
1375 * config/i386/i386.opt (m32): Add Negative(m64).
1376 (m64): Add Negative(m32).
1378 * doc/options.texi: Document the Negative option.
1380 * gcc.c: Include "opts.h".
1381 (main): Call prune_options after expandargv.
1383 * optc-gen.awk: Generate common declarations for all flag
1384 variables in options.c. Output the neg_index field.
1386 * opts.c (find_opt): Moved to ...
1387 * opts-common.c: Here. New file.
1389 * opts.h (cl_option): Add a neg_index field.
1391 (prune_options): Likewise.
1393 2006-05-16 Jakub Jelinek <jakub@redhat.com>
1396 * omp-low.c (expand_omp_parallel): Don't assert
1397 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
1398 instead search for it.
1401 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
1404 2006-05-16 Andreas Schwab <schwab@suse.de>
1406 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
1409 2006-05-15 Roger Sayle <roger@eyesopen.com>
1412 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
1413 integer constants other than zero are only legitimate on TARGET_64BIT.
1414 <CONST_VECTOR> Only zero vectors are legitimate.
1415 (ix86_cannot_force_const_mem): Integral and vector constants can
1416 always be put in the constant pool.
1418 2006-05-16 DJ Delorie <dj@redhat.com>
1420 * crtstuff.c (__dso_handle): Set section from
1421 TARGET_LBIGCC_SDATA_SECTION if defined.
1422 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
1423 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
1425 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
1428 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
1431 2006-05-16 Ben Elliston <bje@au.ibm.com>
1433 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
1435 2006-05-15 Per Bothner <per@bothner.com>
1437 * tree.c: (last_annotated_node): Use source_locus typedef.
1438 This permits bootstrapping with --enable-mapped-location.
1440 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
1442 PR tree-optimization/26830
1443 * tree-into-ssa.c (struct ssa_name_info): Add age field.
1444 (info_for_ssa_name, current_info_for_ssa_name_age,
1445 blocks_to_update): New variables.
1446 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
1447 (clear_ssa_name_info, initialize_flags_in_bb,
1448 mark_block_for_update): New functions.
1449 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
1450 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
1451 prepare_def_site_for): Use mark_block_for_update.
1452 (mark_def_interesting): Assert that the processed block is marked in
1453 blocks_to_update. Do not take blocks argument.
1454 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
1456 (rewrite_update_init_block, rewrite_update_stmt): Only process
1457 blocks with statements to rewrite.
1458 (delete_update_ssa): Do not clear SSA_NAME_AUX.
1459 (update_ssa): Initialize and free blocks_to_update. Do not
1460 clear flags on statements. Do not use blocks bitmap.
1461 * tree.h (SSA_NAME_AUX): Removed.
1462 (struct tree_ssa_name): Removed aux field.
1463 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
1465 2006-05-15 Richard Guenther <rguenther@suse.de>
1467 PR tree-optimization/27603
1468 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1469 Do computations in original type.
1471 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
1473 * see.c: Code style changes such as redundant paranthesis,
1474 redundant intialization of local variables etc.
1475 (see_main): Declared now as static.
1476 * doc/invoke.texi: Update that -fsee is not enabled by
1479 2006-05-15 Jakub Jelinek <jakub@redhat.com>
1481 * omp-low.c (check_omp_nesting_restrictions): New function.
1482 (scan_omp_1): Call it.
1485 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
1486 construct, return *VAR.
1488 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
1490 PR rtl-optimization/27406
1491 * bt-load.c (migrate_btr_def): Skip the block having abnormal
1494 2006-05-14 Roger Sayle <roger@eyesopen.com>
1496 PR rtl-optimization/27538
1497 * combine.c (expand_compound_operation): Call gen_lowpart
1498 before calling simplify_shift_const.
1500 2006-05-14 Roger Sayle <roger@eyesopen.com>
1502 PR rtl-optimization/22563
1503 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
1504 a fixed width bitfield, always force the intermediates into psuedos.
1506 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
1509 * mkconfig.sh: Use operator = instead of == for test.
1511 2006-05-13 Nick Clifton <nickc@redhat.com>
1513 * dwarf2out.c (dbx_reg_number): Check return value from
1514 LEAF_REG_REMAP and only use it if it is valid.
1515 (multiple_reg_loc_descriptor): Likewise.
1517 2006-05-13 Richard Guenther <rguenther@suse.de>
1519 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
1522 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
1524 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
1525 information attached to non-INSNs such as NOTEs.
1526 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
1528 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
1530 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
1532 * config/s390/s390.md: Adjust comment describing On constraint.
1534 2006-05-11 Jan Hubicka <jh@suse.cz>
1536 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
1537 to be output at -O0.
1539 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1542 * fold-const.c (size_binop): Move sanity check for arguments to
1543 the beginning of the function.
1546 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
1549 2006-05-11 Richard Guenther <rguenther@suse.de>
1552 * fold-const.c (fold_unary): Handle intermediate conversion
1553 to a pointer type like intermediate conversion to an integer
1554 type in folding of (T1)(T2)var to var.
1555 Match the code to the comment in the final conversion for
1556 (T1)(T2)var to (T1)var regarding to type precision. Rather
1557 than disallow T1 being of pointer type, assert that both T1
1558 and var are of pointer type or not. Make sure not to fall
1559 over the frontends lazyness wrt array to pointer decay though.
1561 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
1563 * arm.c (arm_struct_value_rtx): Delete.
1564 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
1565 (arm_init_cumulative_args): Always initialize nregs to zero.
1567 2006-05-10 Richard Guenther <rguenther@suse.de>
1569 PR tree-optimization/27532
1570 * tree-object-size.c (plus_expr_object_size): Fix typo.
1572 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1575 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1576 ashrdi_const, ashrdi3): Use a scratch register.
1578 2006-05-10 Richard Guenther <rguenther@suse.de>
1580 PR tree-optimization/27302
1581 * fold-const.c (operand_equal_p): For two comparisons,
1582 try comparison of one comparison code swapped if that yields
1585 2006-05-10 Ben Elliston <bje@au.ibm.com>
1587 * tree-pretty-print.c (pretty_print_string): No need to handle
1588 '\0' as a special character.
1590 * tree.h: Include "hashtab.h".
1591 (iterative_hash_expr): Use hashval_t in its prototype.
1592 * Makefile.in (TREE_H): Add $(HASHTAB_H).
1594 2006-05-09 Steve Ellcey <sje@cup.hp.com>
1597 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
1598 (hppa*64*-*-hpux11*): Ditto.
1599 (hppa[12]*-*-hpux11*): Ditto.
1601 2006-05-09 David Edelsohn <edelsohn@gnu.org>
1604 * config/rs6000/aix41.h (TARGET_64BIT): Define.
1606 2006-05-09 Michael Matz <matz@suse.de>
1608 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
1609 host_extra_gcc_objs and host_xmake_file.
1610 (<*-*-linux*>): Don't overwrite host_xmake_file.
1611 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
1612 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
1613 (host_detect_local_cpu): Declare.
1614 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
1615 * config/i386/i386.c (override_options): Handle -mtune=native
1617 * config/i386/x-i386: New file.
1618 * config/i386/driver-i386.c: New file.
1619 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
1622 2006-05-09 Dirk Mueller <dmueller@suse.de>
1623 Richard Guenther <rguenther@suse.de>
1626 * fold-const.c (fold_read_from_constant_string): Relax check
1627 for matching types to matching modes.
1629 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
1631 PR rtl-optimization/27335
1632 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
1635 2006-05-08 Chao-ying Fu <fu@mips.com>
1636 Richard Sandiford <richard@codesourcery.com>
1638 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
1639 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
1640 * config/mips/mips.md (UNSPEC_SCC): New constant.
1641 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
1642 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
1643 (mips_emit_compare): Use it.
1644 (mips_expand_vcondv2sf): New function.
1646 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
1648 Fix PR tree-optimization/27093
1649 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
1650 renaming when they become not-used_alone.
1652 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1654 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
1655 relocation and relocation stubs.
1657 2006-05-08 Eric Christopher <echristo@apple.com>
1659 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
1662 2006-05-08 Jan Hubicka <jh@suse.cz>
1665 * cgraphunit.c (decide_is_function_needed): When not optimizing even
1666 unused static functions are needed.
1668 2006-05-08 Roger Sayle <roger@eyesopen.com>
1671 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1672 of a reg_equiv_constant if the result is a legitimate constant.
1674 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1677 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1678 standard 80387 constants, raise the cost to prevent
1679 compress_float_constant() to generate load from memory.
1681 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1683 * config/arm/constraints.md (c): Fix a typo.
1685 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1688 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1691 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
1693 (_mm_mwait): Likewise.
1695 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1697 (sse3_monitor): Make it 32bit only.
1698 (sse3_monitor64): New. 64bit monitor.
1700 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1703 * config/i386/i386.c (classify_argument): Skip fields with invalid
1706 2006-05-07 Richard Guenther <rguenther@suse.de>
1708 PR tree-optimization/27409
1709 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1710 Do not try to find zero-sized subvars.
1712 2006-05-07 Richard Guenther <rguenther@suse.de>
1714 PR tree-optimization/27136
1715 * tree-ssa-loop-niter.c (get_val_for): Correct function
1716 comment, assert requirements.
1717 (loop_niter_by_eval): Stop processing if the iterated
1718 value did not simplify.
1720 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1722 * opts.c (flag_see): remove its setting at -O3.
1724 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1726 * genpeep.c (main): Make insn-peep.c depend on flags.h.
1727 * arm/constraints.md: New file.
1728 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1729 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1730 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1731 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1732 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1733 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1734 * arm.md: Include constraints.md.
1735 (thumb_movsi_insn): Use satisfies_constraint_J.
1736 (movhi, movqi): Use satisfies_constraint_I.
1738 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1740 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1741 for atmeg a645 device.
1743 2006-05-06 Richard Guenther <rguenther@suse.de>
1745 PR tree-optimization/27151
1746 * tree-vect-transform.c (vectorizable_condition): Punt on
1747 values that have a different type than the condition.
1749 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1752 * c-parser.c (c_parser_cast_expression): Only insert casts into
1753 hash table if pointer.
1754 * function.c (used_types_insert_helper): Rename from
1756 (used_types_insert): Call used_types_insert_helper.
1757 * function.h (used_types_insert): Accept only one argument.
1759 2006-05-05 David Edelsohn <edesohn@gnu.org>
1761 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1762 scratch with output modifier.
1764 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1767 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1768 with output modifier.
1770 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1773 * config/mips/mips.c (mips_symbolic_address_p): Return true
1774 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1775 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1777 2006-05-04 Richard Guenther <rguenther@suse.de>
1779 PR tree-optimization/14287
1780 PR tree-optimization/14844
1781 PR tree-optimization/19792
1782 PR tree-optimization/21608
1783 PR tree-optimization/27090
1784 * tree-ssa-pre.c (try_combine_conversion): New function.
1785 (compute_avail): After constructing the value-handle
1786 expression, use try_combine_conversion to combine NOP_EXPRs
1787 with previous value-handle expressions and use the result if it
1790 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1792 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1794 2006-05-04 Jan Hubicka <jh@suse.cz>
1797 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1799 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1801 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1802 that this only matches CONST_INTs. All users changed to VOIDmode
1805 * config/bfin/bfin.c: Include "optabs.h".
1806 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1808 (enum bfin_builtins): Add a number of fractional and vector builtins.
1809 (bfin_init_builtins): Likewise.
1810 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1811 (safe_vector_operand, bfin_expand_binop_builtin,
1812 bfin_expand_unop_builtin): New functions.
1813 (bfin_expand_builtin): Handle the new builtins.
1814 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1817 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1820 * Makefile.in (OBJS-common): Add see.o.
1821 (see.o): Add dependencies.
1822 * common.opt (fsee): New flag for the see optimization was added.
1823 * opts.c (flag_see): Initialized.
1824 * passes.c (init_optimization_passes, pass_see): New pass.
1825 * rtl.h (see_main): Declaration as extern.
1826 * timevar.def (TV_SEE): New.
1827 * tree-pass.h (pass_see): Declaration as extern.
1828 * invoke.texi (-fsee): Document.
1829 * recog.c (validate_simplify_insn): New function.
1830 * recog.h (validate_simplify_insn): Declaration as extern.
1831 * df-problems.c (df_chain_dump): Check for NULL.
1833 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1834 Daniel Berlin <dberlin@dberlin.org>
1836 * cfgrtl.c (insert_insn_bb_end_new): New function.
1837 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1839 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1841 * df.h (struct web_entry): Moved from web.c.
1842 (union_defs): Declaration as extern.
1843 (unionfind_root): Likewise.
1844 (unionfind_union): Likewise.
1845 * web.c (struct web_entry): Moved to df.h.
1846 (unionfind_root): Remove static declaration.
1847 (unionfind_union): Likewise.
1848 (union_defs): Likewise and generalize to use callback function.
1849 (web_main): Update arguments for union_defs function call.
1851 2006-05-04 Richard Guenther <rguenther@suse.de>
1853 PR tree-optimization/26447
1854 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1855 produce SSA_NAME copies before the store stmt to avoid
1856 breaking exception handling.
1858 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1861 * gimplify.c (omp_is_private): If var is shared in some outer context,
1862 return false instead of true. Stop searching on parallel context
1865 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1868 * coverage.c: Use get_gcov_unsigned_t() instead of
1869 unsigned_type_node all over.
1871 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1873 PR tree-optimization/27381
1874 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1875 maintain the same immediate_use links.
1876 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1877 node rather than segfaulting.
1879 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1882 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1883 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1884 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1886 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1888 Fix PR tree-optimization/26626
1889 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1891 * tree-ssa-operands.c (access_can_touch_variable): Allow
1892 typecasting through union pointers.
1894 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1897 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1898 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1899 to find if var will be a global variable even in the nested context.
1900 (omp_copy_decl): Only check for global variable at the end, it might
1901 be overridden in outer contexts.
1902 (scan_sharing_clauses): For global variables don't create a field.
1903 (lower_rec_input_clauses): Do nothing for global shared variables.
1904 Emit a barrier at the end of ILIST if there were any decls in both
1905 firstprivate and lastprivate clauses.
1906 (lower_send_clauses): Do nothing for global variables except for
1909 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1911 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1912 of the correct signedness is returned.
1914 2006-05-02 Jeff Law <law@redhat.com>
1916 PR tree-optimization/27364
1917 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1918 multiply expressions.
1920 2006-05-02 Tom Tromey <tromey@redhat.com>
1922 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1924 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1927 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1928 -mthumb -fPIC are used.
1930 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1931 Joshua Kinard <kumba@gentoo.org>
1934 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1935 with 64-bit pointers.
1937 2006-05-02 Paul Brook <paul@codesourcery.com>
1939 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1941 (create_fix_barrier): Check that a suitable barrier location is
1943 (arm_reorg): Include ftmp->address in allowable range of addresses.
1945 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1948 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1951 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1954 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1955 around RESULT_DECL for result passed by reference.
1956 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1957 * omp-low.c (use_pointer_for_field): Don't look at
1958 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1959 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1960 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1961 time or var for passing by reference for
1962 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1963 TREE_ADDRESSABLE variables when passing by reference.
1965 * omp-low.c (dump_omp_region): Fix output formatting.
1968 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1969 (expand_omp_parallel): Likewise.
1970 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1973 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1974 on statement list containing also constructors and destructors.
1975 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1978 * except.c (duplicate_eh_regions): Fix clearing of
1979 cfun->eh->region_array entries.
1981 2006-05-01 DJ Delorie <dj@redhat.com>
1983 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1985 (gcc_cv_objdump): Likewise.
1986 * configure: Regenerated.
1988 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1991 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1992 templates for case 3 and 4.
1994 2006-05-01 DJ Delorie <dj@redhat.com>
1996 * vec.c: Include bconfig.h when appropriate.
1997 * Makefile.in (build/vec.o): Adjust dependencies.
1998 * mkconfig.sh: Make sure config.h isn't used for build machine
2001 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2003 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2005 (mark_phi_for_rewrite): New function.
2006 (insert_phi_nodes_for, mark_use_interesting): Call
2007 mark_phi_for_rewrite.
2008 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2009 (update_ssa): Initialize and free phis_to_rewrite.
2011 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2013 PR rtl-optimization/27291
2014 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2015 folded to a constant.
2017 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2019 PR tree-optimization/27283
2020 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2021 not whole # of iteration descriptions.
2022 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2023 uses abnormal ssa name.
2024 (niter_for_single_dom_exit): Ditto.
2025 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2026 return just the number of iterations.
2028 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2030 PR tree-optimization/27144
2031 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2032 (record_estimate): Only record constant upper bound.
2033 (infer_loop_bounds_from_undefined): Call
2034 compute_estimated_nb_iterations just once.
2035 (proved_non_wrapping_p): Renamed to ...
2036 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2037 (convert_step_widening, scev_probably_wraps_p): Call
2038 n_of_executions_at_most instead of proved_non_wrapping_p.
2039 (substitute_in_loop_info): Do not replace values in bounds.
2040 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2043 2006-05-01 Richard Henderson <rth@redhat.com>
2046 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2047 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2050 2006-05-01 Roger Sayle <roger@eyesopen.com>
2052 * c-typeck.c (parser_build_binary_op): Don't call the function
2053 unsigned_conversion_warning to spot operand/result type overflow.
2054 (build_binary_op): Instead, call convert_and_check instead of
2055 convert to report the problem when the operands are promoted.
2056 * c-common.c (unsigned_conversion_warning): Make static.
2057 * c-common.h (unsigned_conversion_warning): Delete prototype.
2059 2006-05-01 Richard Guenther <rguenther@suse.de>
2061 PR tree-optimization/26726
2062 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2064 (find_interesting_uses_address): ... we work around here
2065 by folding INDIRECT_REFs in the substituted base.
2067 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2069 * omp-low.c (dump_omp_region): Add newlines.
2071 2006-04-30 Roger Sayle <roger@eyesopen.com>
2073 * common.opt (Woverflow): New command line option.
2074 * c-common.c (constant_expression_warning): Check warn_overflow.
2075 (overflow_waring): Pass OPT_Woverflow to warning.
2076 (unsigned_conversion_warning): Likewise.
2077 (convert_and_check): Likewise.
2078 * doc/invoke.texi: Document new command line option.
2080 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2082 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2083 TARGET_NO_FP_IN_TOC for section anchors.
2084 (optimization_options): Enable section anchors for all
2085 non-"Objective" languages.
2087 2006-04-28 Eric Christopher <echristo@apple.com>
2089 * config/darwin-c.c (darwin_ms_struct): Move this
2090 (darwin_set_default_type_attributes): and this...
2091 * config/darwin.c: ... here.
2092 * config/darwin.h (darwin_ms_struct): Declare.
2094 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2096 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2098 2006-04-28 Roger Sayle <roger@eyesopen.com>
2101 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2102 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2103 an unsigned HOST_WIDE_INT.
2104 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2106 (really_start_incremental_init): No need to call convert because
2107 bitsize_zero_node is already of type bitsizetype.
2108 (push_init_level): Extract the value of constructor_index as an
2109 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2110 (process_init_element): Likewise.
2112 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2114 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2115 value before passing to make_relative_prefix.
2117 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2120 * builtins.c (expand_builtin_memset): Expand val in original mode.
2122 2006-04-27 Eric Christopher <echristo@apple.com>
2124 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2125 with #ifndef/#endif.
2126 * config/darwin-c.c (darwin_ms_struct): New.
2127 (darwin_pragma_ms_struct): Ditto.
2128 (darwin_set_default_type_attributes): Ditto.
2129 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2130 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2131 Register ms_struct pragma.
2132 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2133 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2134 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2135 darwin_set_default_type_attributes if TARGET_MACHO.
2137 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2139 PR tree-optimization/26854
2140 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2141 * doc/tree-ssa.texi: Update immuse iterator documentation.
2142 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2143 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2144 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2145 first_safe_imm_use, next_safe_imm_use): Remove.
2146 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2147 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2148 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2149 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2150 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2151 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2152 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2153 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2154 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2155 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2156 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2157 (perfect_nestify): Use new iterator.
2158 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2160 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2161 (next_imm_name): New field in struct immediate_use_iterator_d.
2162 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2163 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2164 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2165 * tree-cfg.c (replace_uses_by): Use new iterator.
2166 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2167 * tree-ssa-operands.c (correct_use_link): Remove.
2168 (finalize_ssa_use_ops): No longer call correct_use_link.
2170 2006-04-27 Stuart Hastings <stuart@apple.com>
2172 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2173 * config/t-darwin (crt3.o): Use it.
2174 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2175 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2176 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2177 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2178 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2181 2006-04-27 Roger Sayle <roger@eyesopen.com>
2183 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2184 size, force the intermediate into a new pseudo rather instead of
2185 performing both a bitwise AND and a bitwise IOR in memory.
2187 2006-04-27 Richard Guenther <rguenther@suse.de>
2189 PR rtl-optimization/26685
2190 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2191 this one "max-flow-memory-locations".
2193 2006-04-27 Richard Guenther <rguenther@suse.de>
2195 PR tree-optimization/25148
2196 * tree-vrp.c (compare_values): Remove code dealing with
2197 comparisons against type min/max value. Honour overflow
2198 and negative constants in code dealing with comparisons
2199 of plus and minus expressions.
2200 (value_inside_range): Use fold_binary with LE_EXPR and
2201 GE_EXPR rather than compare_values.
2203 2006-04-27 Dirk Mueller <dmueller@suse.de>
2205 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2208 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2210 * basic-block.h (safe_insert_insn_on_edge): Removed.
2211 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2213 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2214 Paolo Bonzini <bonzini@gnu.org>
2217 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2218 (simplify_and_const_int): Same.
2220 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2222 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2224 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2227 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2228 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2229 cgraph_global_info_ready.
2232 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2235 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2236 either decl or init is error_mark_node.
2239 * tree-flow.h (struct omp_region): Add sched_kind.
2240 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2241 instead of extracting omp for data.
2242 (expand_omp_for): Save extracted sched_kind.
2244 2006-04-25 Roger Sayle <roger@eyesopen.com>
2246 * expmed.c (store_bit_field): Also check whether the bitsize is
2247 valid for the machine's "insv" instruction before moving the
2248 target into a pseudo for use with the insv.
2249 * config/i386/predicates.md (const8_operand): New predicate.
2250 * config/i386/i386.md (extv, extzv, insv): Use the new
2251 const8_operand predicate where appropriate.
2253 2006-04-25 DJ Delorie <dj@redhat.com>
2255 * doc/install.texi (Specific): Clarify that this is not a list of
2256 supported hosts or targets.
2258 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2260 PR rtl-optimization/26725
2261 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2262 block's BB_DIRTY flag.
2264 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2266 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2269 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2270 to print an integer.
2272 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2274 * varasm.c (align_variable): New function.
2275 (get_block_for_decl): Apply align_variable to DECL before
2276 calculating section information.
2277 (assemble_variable): Split out alignment computation.
2279 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2281 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2284 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2286 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2287 MODE_PARTIAL_INT mode.
2288 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2289 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2291 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2292 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2294 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2296 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2298 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2299 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2300 MACFLAG_IH): Likewise.
2301 (movstricthi_1): Renamed from "*movstricthi".
2302 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2303 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2304 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2305 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2306 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2307 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2308 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2309 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2310 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2311 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2312 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2313 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2314 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2315 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2316 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2318 * doc/rtl.texi (ss_ashift): Improve wording.
2320 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2322 * dwarf2out.c (verify_marks_clear): New.
2323 (prune_unused_types): Call verify_marks_clear initially, not
2326 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2328 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2329 * doc/rtl.texi: Document them.
2330 * simplify-rtx.c (simplify_unary_operation,
2331 simplify_binary_operation_1): Don't abort when we see them.
2333 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2336 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2337 * configure.ac: Completely disregard languages that are not
2339 * configure: Regenerated.
2341 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2342 Richard Guenther <rguenther@suse.de>
2344 PR tree-optimization/27236
2345 * tree-inline.c (copy_body_r): Make sure to copy
2346 TREE_THIS_VOLATILE flag.
2348 2006-04-24 Richard Guenther <rguenther@suse.de>
2351 * tree-complex.c (update_parameter_components): Don't handle
2352 unused parameters which have no default def.
2354 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2355 Richard Guenther <rguenther@suse.de>
2357 PR tree-optimization/27218
2358 * tree-inline.c (expand_call_inline): Strip useless type
2359 conversions for the return slot address.
2361 2006-04-24 Richard Guenther <rguenther@suse.de>
2363 * cfgloop.h (struct loops): Remove unused field array. Reorder
2365 (LOOP_PREFETCH): Remove.
2367 2006-04-24 Richard Guenther <rguenther@suse.de>
2369 PR tree-optimization/22525
2370 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
2371 variable, adjust types of generated expressions.
2373 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
2375 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
2376 (tree-vect-patterns.o): Likewise.
2378 (cselib.o): Likewise.
2379 (loop-doloop.o): Likewise.
2380 (regclass.o): Likewise.
2381 (reload1.o): Likewise.
2382 (explow.o): Replace target.h with $(TARGET_H).
2383 (ipa-prop.o): Likewise.
2384 (ipa-cp.o): Likewise.
2385 (ipa-inline.o): Likewise.
2386 (reorg.o): Likewise.
2387 (reg-stack.o): Likewise.
2389 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2391 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
2393 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2395 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
2397 * configure.ac: Completely disregard languages that are not
2399 * configure: Regenerated.
2402 * c-common.h (c_build_bitfield_integer_type): Declare.
2403 * c-decl.c (c_build_bitfield_integer_type): Move to ...
2404 * c-common.c (c_build_bitfield_integer_type): ... here.
2406 2006-04-23 Roger Sayle <roger@eyesopen.com>
2409 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
2410 a SImode SUBREG of a floating point register after no_new_pseudos.
2412 2006-04-23 Roger Sayle <roger@eyesopen.com>
2414 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
2415 identify potentially eliminable registers to additionally catch
2416 VIRTUAL_INCOMING_ARGS_REGNUM.
2417 (addsi3): Update the conditions on when to use addsi_small_int.
2419 2006-04-23 Roger Sayle <roger@eyesopen.com>
2422 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
2423 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
2424 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
2426 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2428 * fold-const.c (range_predecessor): Use operand_equal_p
2429 as the predicate for equality.
2430 (range_successor): Likewise.
2432 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2435 * config/soft-fp/op-common.h: Fix a typo.
2437 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
2440 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
2441 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
2443 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2445 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
2447 * doc/tm.texi: Fix a typo.
2449 2006-04-21 Geoffrey Keating <geoffk@apple.com>
2451 * dwarf2out.c (struct die_struct): Document that die_sib makes
2452 a circular linked list.
2453 (FOR_EACH_CHILD): New.
2454 (reverse_die_lists): Delete.
2455 (reverse_all_dies): Delete.
2456 (add_dwarf_attr): Correct documentation.
2457 (remove_child_with_prev): New.
2458 (remove_child_TAG): Update for change to die_struct, use
2459 remove_child_with_prev.
2460 (add_child_die): Update for change to die_struct.
2461 (splice_child_die): Use remove_child_with_prev and add_child_die.
2462 (print_die): Use FOR_EACH_CHILD.
2463 (die_checksum): Likewise.
2464 (assign_symbol_names): Likewise.
2465 (output_location_lists): Likewise.
2466 (build_abbrev_table): Likewise.
2467 (calc_die_sizes): Likewise.
2468 (mark_dies): Likewise.
2469 (unmark_dies): Likewise.
2470 (unmark_all_dies): Likewise.
2471 (output_die): Likewise.
2472 (prune_unused_types_mark): Likewise.
2473 (prune_unused_types_walk): Likewise.
2474 (same_die_p): Update for change to die_struct.
2475 (break_out_includes): Likewise.
2476 (prune_unused_types_prune): Likewise.
2477 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
2478 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
2480 (dwarf2out_finish): Don't call reverse_all_dies.
2482 2006-04-21 Eric Christopher <echristo@apple.com>
2484 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
2485 in comments and function names.
2487 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2490 * c-typeck.c (digest_init): Robustify.
2492 * c-typeck.c (pop_init_level): Simplify.
2494 2006-04-21 Steve Ellcey <sje@cup.hp.com>
2496 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
2498 2006-04-21 Paul Brook <paul@codesourcery.com>
2500 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
2501 hardware floating point.
2503 2006-04-21 David Edelsohn <edelsohn@gnu.org>
2505 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
2508 2006-04-21 Nick Clifton <nickc@redhat.com>
2510 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
2513 2006-04-21 Alan Modra <amodra@bigpond.net.au>
2516 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
2517 C++ lang type in traceback table for Objective-C++.
2519 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2521 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
2523 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2525 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2528 * tree-mudflap.c (mudflap_finish_file): Skip function when there
2529 were errors. Remove check for erroneous objects.
2531 2006-04-20 Jeff Law <law@redhat.com>
2533 PR tree-optimization/26854
2534 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
2535 checking for zero or one use.
2536 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
2537 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
2538 * tree-ssa-reassoc.c (negate_value): Similarly.
2539 (reassociate_bb): Similarly.
2541 2006-04-20 Jakub Jelinek <jakub@redhat.com>
2543 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
2544 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
2545 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2547 2006-04-20 Alan Modra <amodra@bigpond.net.au>
2549 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
2550 fp regs if the last fp arg doesn't fit in regs.
2552 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
2555 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
2556 that the last insn has the REG_INC note.
2558 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
2559 Nathan Sidwell <nathan@codesourcery.com>
2562 * stor-layout.c (update_alignment_for_field): Do not align
2564 (place_union_field): Place union field at the start of the union.
2565 (place_field): Move ERROR_MARK check later, and use the current
2566 allocation position to maintain monotonicity.
2568 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
2570 * dominance.c: Include timevar.h.
2571 (calculate_dominance_info): Use TV_DOMINANCE.
2572 * timevar.def (TV_DOMINANCE): New timevar.
2573 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2575 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2577 PR rtl-optimization/14261
2578 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2579 move would be an INSV insn.
2580 (noce_process_if_block): Don't optimize if the destination is a
2581 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2583 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2585 * config/s390/s390.md: Add comments with the instructions emitted
2586 by an insn pattern if macros are used.
2588 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2590 PR rtl-optimization/26026
2591 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2592 is a known power of two shifted left a variable amount.
2594 2006-04-18 Geoffrey Keating <geoffk@apple.com>
2596 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
2597 to hash table twice when the debug_str section has SECTION_MERGE.
2599 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
2601 * config/soft-fp: New directory. From glibc.
2602 * config/soft-fp/t-softfp: New.
2603 * config/soft-fp/README: New.
2604 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
2605 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
2606 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
2607 (LIBGCC_DEPS): Add $(SFP_MACHINE).
2608 * config.gcc: Use rs6000/t-fprules-fpbit or
2609 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
2611 * config/rs6000/sfp-machine.h: New. Based on glibc.
2612 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
2614 * config/rs6000/t-fprules: Remove fp-bit rules.
2615 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
2616 * config/rs6000/t-linux64: Likewise. Remove duplicates from
2617 LIB2FUNCS_EXTRA. Remove fp-bit rules.
2618 (softfp_wrap_start, softfp_wrap_end): New.
2620 2006-04-18 DJ Delorie <dj@redhat.com>
2622 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2624 2006-04-18 Devang Patel <dpatel@apple.com>
2626 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2628 2006-04-18 Nick Clifton <nickc@redhat.com>
2630 * config/sh/t-symbian: Add rule to build sh-c.o
2631 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
2632 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
2633 (sh_symbian_encode_section_info): Likewise.
2635 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
2637 * builtins.c (expand_builtin_strcmp): Cover label definition of
2638 do_libcall with HAVE_cmpstrnsi.
2640 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
2642 * function.c (temp_slots_at_level, max_slot_level): Use VEC
2644 * function.h (temp_slot_p): New.
2645 (function): Change the type of x_used_temp_slots to
2646 VEC(temp_slot_p,gc) *.
2648 2006-04-18 Nick Clifton <nickc@redhat.com>
2650 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
2651 flag_strength_reduce.
2653 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2655 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2659 Partial revert of revision 112637
2660 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2661 Dale Johannesen <dalej@apple.com>
2664 * regclass.c (struct reg_pref): Update documentation.
2665 (regclass): Set prefclass to NO_REGS if memory is the best option.
2666 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2668 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2670 PR tree-optimization/26821
2671 * tree-ssa-math-opts.c (get_constant_one): New.
2672 (insert_reciprocals): Use it.
2674 2006-04-17 Geoffrey Keating <geoffk@apple.com>
2676 * dwarf2out.c (free_AT): Delete.
2677 (remove_AT): Update string ref counts.
2678 (remove_child_TAG): Don't call free_die.
2680 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
2681 or DW_TAG_GNU_EINCL.
2682 (prune_unused_types_walk_attribs): Reset string refcounts.
2683 (prune_unused_types_update_strings): New.
2684 (prune_unused_types_prune): Don't make unnecessary stores. Don't
2685 call free_die. Do call prune_unused_types_update_strings.
2686 (prune_unused_types): Empty debug_str_hash.
2688 2006-04-17 Roger Sayle <roger@eyesopen.com>
2690 * expr.c (expand_assignment): Optimize away no-op moves where the
2691 source and destination are equal and have no side-effects.
2693 2006-04-17 Richard Guenther <rguenther@suse.de>
2696 * reload.c (push_reload): Guard calls to get_secondary_mem
2699 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2701 * alias.c (reg_base_value, old_reg_base_value): Change the
2702 type to VEC(rtx,gc) *.
2703 (REG_BASE_VALUE, find_base_value, record_set,
2704 init_alias_analysis): Use VEC instead of VARRAY.
2706 * alias.c (alias_sets): Change the type to
2707 VEC(alias_set_entry,gc) *.
2708 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2709 VEC instead of VARRAY.
2710 (last_alias_set): Remove.
2712 * cgraph.h (cgraph_edge_p): New.
2713 Update the prototype of cgraph_function_versioning.
2714 * cgraphunit.c (cgraph_copy_node_for_versioning,
2715 cgraph_function_versioning): Use VEC instead of VARRAY.
2716 * ipa-cp.c (ipcp_insert_stage): Likewise.
2718 2006-04-16 Roger Sayle <roger@eyesopen.com>
2721 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2722 "A op B" or "A op C", we may need to convert A to the type of B and C.
2724 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2726 * target.h (struct gcc_target): Add mode_rep_extended.
2727 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
2728 (init_num_sign_bit_copies_in_rep): Initialize it using
2730 (truncate_to_mode): Use it.
2731 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2732 * targhooks.h (default_mode_rep_extended): Declare it.
2733 * targhooks.c (default_mode_rep_extended): Define it.
2734 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2735 default_mode_rep_extended.
2736 (TARGET_INITIALIZER): Include it.
2737 * doc/tm.texi (Misc): Document it.
2738 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2739 (mips_truncated_to_mode): New function.
2741 2006-04-16 Roger Sayle <roger@eyesopen.com>
2744 * expr.c (compress_float_constant): Copy the narrow constant into
2745 a new pseudo before extending it to its final width.
2747 2006-04-16 Roger Sayle <roger@eyesopen.com>
2748 Andrew Pinski <pinskia@gcc.gnu.org>
2749 Dale Johannesen <dalej@apple.com>
2752 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2753 special case code to implement V8HImode and V16QImode with SSE2.
2755 2006-04-15 Roger Sayle <roger@eyesopen.com>
2757 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2758 trees are constructed with a suitable tree type.
2760 2006-04-15 Roger Sayle <roger@eyesopen.com>
2762 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2763 (integer_onep): Likewise.
2764 (integer_all_onesp): Likewise.
2765 (integer_pow2p): Likewise.
2766 (integer_nonzerop): Likewise.
2767 (real_zerop): Likewise.
2768 (real_onep): Likewise.
2769 (real_twop): Likewise.
2770 (real_minus_onep): Likewise.
2771 (int_size_in_bytes): Likewise.
2772 (host_integerp): Likewise.
2774 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2776 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2777 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2778 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2780 * tree-ssa-structalias.h (alias_info): Remove num_references.
2782 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2784 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2785 (output_bvb patterns): Likewise.
2786 * pa.c (output_bb): Use 'bb' insn for long branch case.
2787 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2788 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2789 1. Correct length operand for alternatives 1 and 2.
2790 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2791 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2793 2006-04-14 Roger Sayle <roger@eyesopen.com>
2795 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2796 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2797 were accidentally reverted by r112959.
2799 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2802 * except.h (eh_region_outermost): New prototype.
2803 * except.c (eh_region_outermost): New function.
2804 * tree-cfg.c (find_outermost_region_in_block): Use it.
2806 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2808 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2810 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2811 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2812 (init_reload, reload): Use VEC instead of VARRAY.
2813 * reload.h: Update the prototype for
2814 reg_equiv_memory_loc_varray.
2816 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2817 Eric Botcazou <ebotcazou@libertysurf.fr>
2819 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2822 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2825 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2826 to expand fallback builtin function call.
2828 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2831 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2832 and emit libcall here in case the builtin fails.
2833 (expand_builtin_strcmp): Always emit the libcall here on failure.
2835 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2837 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2838 * flow.c (reg_n_info): Change the type to
2839 VEC(reg_info_p,heap) *.
2840 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2842 * regs.h (reg_info_p): New.
2843 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2844 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2845 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2848 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2850 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2852 * params.h (MAX_SCHED_READY_INSNS): New macro.
2853 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2854 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2855 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2856 the ready list for 1 cycle during the first scheduling pass.
2857 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2859 2006-04-13 Richard Henderson <rth@redhat.com>
2862 * gimple-low.c (lower_omp_directive): Remove dead code.
2863 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2864 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2865 * omp-low.c (struct omp_region): Move to tree-flow.h.
2866 (root_omp_region): Export.
2867 (omp_regions, lookup_omp_region): Remove.
2868 (determine_parallel_type): Update for struct omp_region changes.
2869 (dump_omp_region): Dump regions with block numbers.
2870 (new_omp_region): Take type and block instead of stmt; malloc
2872 (free_omp_region_1, free_omp_regions): New.
2873 (expand_parallel_call): Take entry_stmt as argument; update for
2874 changes to omp_region.
2875 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2876 (remove_exit_barriers): New.
2877 (expand_omp_parallel): Update for struct omp_region changes.
2878 (expand_omp_synch): Likewise.
2879 (expand_omp): Likewise.
2880 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2881 (expand_omp_for_static_chunk): Likewise.
2882 (expand_omp_for): Likewise.
2883 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2884 (expand_omp_sections): Similarly, with GOMP_sections_end.
2885 (expand_omp_single): New.
2886 (build_omp_regions_1): Update for OMP_CONTINUE.
2887 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2888 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2889 OMP_SECTIONS_SECTIONS.
2890 (lower_omp_single_simple): Don't emit barrier here.
2891 (lower_omp_single_copy): Likewise.
2892 (lower_omp_single): Fix bindings, and lower to straightline now.
2893 (lower_omp_master, lower_omp_ordered): Likewise.
2894 (lower_omp_critical): Likewise.
2895 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2896 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2897 omp edges, free it afterward.
2898 (make_omp_sections_edges): Remove.
2899 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2900 (move_stmt_r): Handle OMP_CONTINUE.
2901 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2902 statement pointers to basic blocks. Add type member.
2903 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2904 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2905 * tree-inline.c (estimate_num_insns_1): Likewise.
2906 * tree-pretty-print.c (dump_generic_node): Likewise.
2907 * tree-ssa-operands.c (get_expr_operands): Likewise.
2908 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2909 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2910 (OMP_CONTINUE): New.
2911 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2912 (OMP_SECTIONS_SECTIONS): Remove.
2913 (OMP_SECTION_LAST): New.
2914 (OMP_RETURN_NOWAIT): New.
2916 2006-04-13 Roger Sayle <roger@eyesopen.com>
2918 * fold-const.c (native_encode_vector, native_interpret_real):
2919 Correct obvious mistakes in the previous check-in.
2921 2006-04-13 Roger Sayle <roger@eyesopen.com>
2923 * fold-const.c (native_encode_expr): New function to encode
2924 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2925 or VECTOR_CST into a specified buffer.
2926 (native_encode_int): New function.
2927 (native_encode_real): New function.
2928 (native_encode_complex): New function.
2929 (native_encode_vector): New function.
2930 (native_interpret_expr): Inverse of native_encode_expr to convert
2931 a target representation into an INTEGER_CST, REAL_CST etc...
2932 (native_interpret_int): New function.
2933 (native_interpret_real): New function.
2934 (native_interpret_complex): New function.
2935 (native_interpret_vector): New function.
2936 (fold_view_convert_expr): New function to constant fold/evaluate
2937 a VIEW_CONVERT_EXPR of a suitable constant expression.
2938 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2939 Change call of build1 to fold_build1 when constructing a
2942 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2943 Ulrich Weigand <uweigand@de.ibm.com>
2946 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2949 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2952 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2953 optimize to lo_sum for DFmode if !TARGET_FPRS.
2955 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2957 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2958 delete_alias_info, compute_flow_sensitive_aliasing,
2959 group_aliases): Use VEC instead of VARRAY.
2960 * tree-ssa-structalias.c (update_alias_info): Likewise.
2961 * tree-ssa-structalias.h (alias_info): Change the type of
2962 processed_ptrs to VEC(tree,heap) *.
2964 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2967 * config/sh/lib1funcs.h: New file, broken out of:
2968 * config/sh/lib1funcs.asm.
2969 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2971 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2972 * config/sh/lib1funcs-Os-4-200.asm: New file.
2973 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2974 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2975 (EXTRA_MULTILIB_PARTS): Include it.
2976 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2977 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2978 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2979 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2982 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2984 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2985 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2986 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2988 * tree-ssa-live.h: Include vecprim.h.
2989 (tree_partition_associator_d): Change the type of
2990 first_partition to VEC(int,heap) *.
2991 (tpa_first_partition): Use VEC instead of VARRAY.
2993 * Makefile.in (GTFILES): Move functions.h after tree.h.
2994 * function.c (reset_block_changes, record_block_change,
2995 check_block_change, free_block_changes): Use VEC instead of
2997 * function.h (function): Change the type of
2998 ib_boundaries_block to VEC(tree,gc) *.
2999 * tree-inline.c (copy_cfg_body): Initialize
3000 ib_boundaries_block to NULL instead of (varray_type) 0.
3002 2006-04-12 Roger Sayle <roger@eyesopen.com>
3004 * expr.c (emit_group_store): Correct operand order in call to
3005 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3006 a SUBREG_BYTE of zero.
3008 2006-04-12 Richard Guenther <rguenther@suse.de>
3010 * profile.c (compute_branch_probabilities): Remove code
3011 encapsulated in !ir_type (), which are remanents of the
3012 removed RTL profiling code.
3013 * rtl-profile.c: Remove.
3015 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3017 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3018 magic NULL_RTX comment.
3019 (function_arg): Store entire fp arg to mem if any part should go
3021 (rs6000_arg_partial_bytes): Adjust for above change.
3023 2006-04-11 Roger Sayle <roger@eyesopen.com>
3025 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3026 if it hasn't been initialized by dwarf2out_init.
3028 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3030 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3031 symbolic constants in branch patterns.
3033 2006-04-11 Roger Sayle <roger@eyesopen.com>
3035 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3037 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3039 PR rtl-optimization/27073
3040 * gcse.c (try_replace_reg): Revert last change. Continue to search
3041 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3044 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3046 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3047 aggregate types other than record and union types.
3048 (function_arg): Likewise.
3049 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3051 (function_value): In 64-bit mode, return objects that require it
3054 2006-04-11 Roger Sayle <roger@eyesopen.com>
3056 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3058 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3060 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3062 2006-04-03 Jeff Law <law@redhat.com>
3065 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3066 alias information too.
3068 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3070 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3072 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3075 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3076 (premark_used_types_helper): New.
3077 (premark_used_types): New.
3078 (gen_subprogram_die): Call premark_used_types.
3079 (prune_unused_types_walk): Do not prune perennial dies.
3080 * function.c (used_types_insert): New.
3081 * function.h (struct function): Add used_types_hash field.
3082 (used_types_insert): Add prototype.
3083 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3084 * c-parser.c (c_parser_cast_expression): Save casted types in used
3087 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3090 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3091 rs6000_explicit_options.float_gprs.
3093 2006-04-10 Roger Sayle <roger@eyesopen.com>
3095 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3096 from ix86_expand_vector_init_low_nonzero. Take an additional
3097 one_var argument indicating which element is non-zero. Support
3098 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3099 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3100 with one_var instead of ix86_expand_vector_init_low_nonzero.
3102 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3104 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3105 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3106 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3107 build/genextract.o): Depend on vecprim.h.
3108 * cfglayout.c, df-problems.c, function.c, genextract.c,
3109 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3110 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3114 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3116 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3117 Declare VECs of this type.
3118 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3119 (remove_children): Delete.
3120 (add_dwarf_attr): Use VEC routines.
3121 (add_AT_flag): Update for changes to add_dwarf_attr.
3122 (add_AT_int): Likewise.
3123 (add_AT_unsigned): Likewise.
3124 (add_AT_long_long): Likewise.
3125 (add_AT_vec): Likewise.
3126 (add_AT_string): Likewise.
3127 (add_AT_die_ref): Likewise.
3128 (add_AT_fde_ref): Likewise.
3129 (add_AT_loc): Likewise.
3130 (add_AT_loc_list): Likewise.
3131 (add_AT_addr): Likewise.
3132 (add_AT_lbl_id): Likewise.
3133 (add_AT_lineptr): Likewise.
3134 (add_AT_macptr): Likewise.
3135 (add_AT_offset): Likewise.
3136 (add_AT_range_list): Likewise.
3137 (get_AT): Use VEC_iterate.
3138 (remove_AT): Use VEC_ordered_remove.
3139 (free_die): Fold remove_children into here; have it use VEC_iterate.
3140 (print_die): Use VEC_iterate on attrs.
3141 (reverse_die_lists): Don't reverse attr lists.
3142 (die_checksum): Use VEC_iterate on attrs.
3143 (same_die_p): Likewise.
3144 (output_location_lists): Likewise.
3145 (build_abbrev_table): Likewise.
3146 (size_of_die): Likewise.
3147 (unmark_all_dies): Likewise.
3148 (output_abbrev_section): Likewise.
3149 (output_die): Likewise.
3150 (prune_unused_types_walk_attribs): Likewise.
3152 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3154 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3156 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3159 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3161 2006-04-09 Roger Sayle <roger@eyesopen.com>
3163 * expr.c (store_constructor): Don't bother clearing target if
3164 we're about to assign a vector to it using vec_init_optab.
3166 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3168 * tree-ssa-alias.c (lhs_may_store_to): New function.
3169 (recalculate_used_alone): Handle LHS of calls.
3171 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3175 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3176 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3177 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3178 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3179 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3180 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3181 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3182 stubs. Add ".align 8" directives before all ".dword" directives.
3183 (GTHREAD_USE_WEAK): Revise comment.
3184 (TARGET_ATTRIBUTE_WEAK): Define.
3185 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3186 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3187 * stublib.c: New file.
3192 * pa.md (cbranch patterns): Revise arguments used in calls to
3193 output_cbranch, output_bb and output_bvd. Add long branch length
3195 (fbranch patterns): Handle long branches.
3196 (jump): Revise length check. Revise arguments for output_lbranch call.
3197 Add long branch length attributes.
3198 (decrement_and_branch_until_zero): Add long branch length attributes.
3199 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3200 Likewise. Revise arguments for output_parallel_addb and
3201 output_parallel_movb calls.
3202 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3203 output_parallel_movb and output_parallel_addb): Update prototypes.
3204 * pa.c (output_cbranch): Revise arguments. Correct handling of
3205 nullification in long branches.
3206 (output_lbranch): Add new argument to control extraction of delay
3208 (output_bb): Handle long branches.
3209 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3210 output_parallel_addb): Likewise.
3212 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3214 PR rtl-optimization/27073
3215 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3218 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3220 * tree.h (tree_memory_tag): Add old_used_alone.
3221 (SMT_OLD_USED_ALONE): New macro.
3222 * tree-ssa-alias.c (recalculate_used_alone): Stop
3223 marking things for renaming unnecessarily.
3225 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3227 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3228 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3229 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3230 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3231 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3232 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3233 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3234 spelling convensions.
3235 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3236 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3237 typos. Follow spelling conventions.
3239 2006-04-07 DJ Delorie <dj@redhat.com>
3241 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3242 passed on the stack.
3243 (m32c_init_cumulative_args): When a function returns a structure,
3244 always pass the pointer to that return area on the stack.
3245 (m32c_function_arg_advance): Don't increment the parameter number
3246 if we're processing the returned structure pointer.
3247 (pushm_info): Reverse order of registers.
3249 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3251 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3252 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3253 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3254 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3256 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3257 chrec_fold_multiply): Same.
3258 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3259 force_expr_to_var_cost): Same.
3260 * tree-mudflap.c (mf_xform_derefs_1): Same.
3261 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3263 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3265 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3266 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3269 2006-04-07 Jan Hubicka <jh@suse.cz>
3271 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3273 2006-04-07 Richard Guenther <rguenther@suse.de>
3275 PR tree-optimization/26135
3276 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3277 loads for store copy-prop.
3278 (copy_prop_visit_stmt): Likewise.
3280 2006-04-05 Robert Millan <robertmh@gnu.org>
3282 * config/i386/linux.h: Add a comment to mark macros that are
3283 being overriden in config/k*bsd-gnu.h.
3284 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3286 * config/knetbsd-gnu.h: Ditto.
3288 2006-04-06 Jan Hubicka <jh@suse.cz>
3292 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3295 2006-04-06 Mike Stump <mrs@apple.com>
3297 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3298 for HAVE_nonlocal_goto to be consistent.
3299 (expand_builtin_nonlocal_goto): Likewise.
3300 (expand_builtin_strcmp): Use #ifdef instead of #if
3301 for HAVE_cmpstrnsi to be consistent.
3303 2006-04-05 DJ Delorie <dj@redhat.com>
3305 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3308 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3310 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3311 got-relative addressing for anything but SImode.
3313 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3314 even if the calling function doesn't modify them.
3316 2006-04-05 Richard Guenther <rguenther@suse.de>
3318 PR tree-optimization/26919
3319 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3320 to cgraph_estimate_size_after_inlining.
3322 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3324 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3326 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3328 PR tree-optimization/26996
3329 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3330 VECTOR_TYPE variables.
3332 2006-04-05 Richard Guenther <rguenther@suse.de>
3334 PR tree-optimization/26763
3335 * fold-const.c (fold_comparison): Move folding of
3336 PTR + CST CMP PTR + CST ...
3337 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3339 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3341 * doc/install.texi (Prerequisites): Refine some wording on
3342 bootstrapping and ksh.
3343 Move the version numbers of DejaGnu here from the testing section
3344 and fix casing of names.
3345 Fix markup and clarify wording for autogen requirements.
3346 Refer to GCJ instead of just java.
3347 Refer to SVN instead of CVS.
3348 Describe diffutils as useful instead of necessary.
3349 (Downloading the source): Refer to SVN instead of CVS.
3350 Adjust a link to our web site accordingly.
3351 (Configuration): Fix casing of Bison.
3352 (Building): Refer to SVN instead of CVS.
3353 Fix a sentence on the use of Bison and remove duplicate (and
3354 incorrect) version number of Bison requirement.
3355 Remove one redundant list of packages needed for building.
3356 (Specific): Avoid reference to CVS.
3358 2006-04-04 Eric Christopher <echristo@apple.com>
3360 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
3361 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
3362 (rs6000_handle_struct_attribute): New.
3363 (rs6000_ms_bitfield_layout_p): Ditto.
3365 2006-04-04 Geoffrey Keating <geoffk@apple.com>
3367 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
3368 NULL for dso parameter to atexit_common.
3370 2006-04-04 Eric Christopher <echristo@apple.com>
3372 * config/i386/i386.c (machopic_output_stub): Output \t
3373 between instructions and operands.
3375 2006-04-04 David Edelsohn <edelsohn@gnu.org>
3377 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
3378 satisfies_constraint_[IL] to explicit tests on value.
3380 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
3382 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3383 set_nb_iterations_in_loop): Use build_int_cst instead of
3385 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
3386 build_int_cst instead of convert.
3388 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
3390 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
3391 new value 2 for incoming.
3392 * function.c (expand_function_start): Call struct_value_rtx
3394 * config/sparc/sparc.md: Comment updated_return.
3395 * config/sparc/sparc.opt: Add -mstd-struct-return option.
3396 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
3397 struct return if sparc_std_struct_return and incoming is 2.
3398 (print_operand): Do not adjust return if
3399 sparc_std_struct_return.
3401 2006-04-04 Roger Sayle <roger@eyesopen.com>
3403 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
3404 convert in the middle-end.
3405 * expr.c (store_expr, store_constructor, get_inner_reference,
3406 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
3408 * tree.c (build_range_type): Likewise.
3410 2006-04-04 Tom Tromey <tromey@redhat.com>
3412 * doc/install.texi (Prerequisites): Mention jar.
3414 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
3416 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
3419 2006-04-04 Matthias Klose <doko@debian.org>
3421 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
3422 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
3425 2006-04-03 Geoffrey Keating <geoffk@apple.com>
3427 * doc/extend.texi (Function Attributes): Rewrite visibility
3428 attribute documentation.
3429 * doc/invoke.texi (C++ Dialect Options): Rewrite
3430 -fvisibility-inlines-hidden documentation to describe something
3431 entirely different, although in practise compatible.
3432 (Code Gen Options): Warn about system headers in -fvisibility=
3435 * doc/extend.texi (Other Builtins): Document that
3436 __builtin_nan is a compile-time constant only when its argument
3439 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
3441 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
3442 trying to remove TRUNCATE check if all bits outside the new mode
3443 are identical to the sign bit.
3445 2006-04-03 Jeff Law <law@redhat.com>
3447 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
3448 and operand scanning in some common cases.
3450 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3451 Dale Johannesen <dalej@apple.com>
3454 * regclass.c (struct reg_pref): Update documentation.
3455 (regclass): Set prefclass to NO_REGS if memory is the best option.
3456 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3457 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
3458 into account. For non-registers, equate an empty preferred
3459 reload class to a `!' in the constraint; move the if clause to
3460 do so after those that reject the insn.
3461 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
3463 (find_dummy_reload): Likewise.
3464 * doc/tm.texi (Register Classes): Document what it means
3465 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
3466 * config/i386/i386.c (ix86_preferred_reload_class): Force
3467 using SSE registers (and return NO_REGS for floating-point
3468 constants) if math is done with SSE.
3469 (ix86_preferred_output_reload_class): New.
3470 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
3471 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
3472 * config/i386/i386.md: Remove # register preferences.
3474 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3477 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3478 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
3479 the type of nb_iter.
3480 (instantiate_parameters_1): Convert the operands before calling
3481 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
3482 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
3484 2006-04-02 Roger Sayle <roger@eyesopen.com>
3486 * builtins.c (dummy_object): Use build_int_cst instead of convert.
3487 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
3489 * dojump.c (do_jump): Likewise.
3490 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
3491 * gimplify.c (gimple_boolify, gimplify_init_constructor,
3492 gimplify_boolean_expr): Likewise.
3493 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3494 * varasm.c (array_size_for_constructor): Likewise.
3495 * tree-object-size.c (compute_object_offset): Likewise.
3497 2006-04-02 Roger Sayle <roger@eyesopen.com>
3500 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
3501 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
3503 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3505 PR tree-optimization/26939
3506 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
3508 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3510 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
3511 at_stmt. Convert the type of operands before calling
3512 build_polynomial_chrec.
3513 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
3515 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
3516 (instantiate_parameters_1): Convert the type of operands before calling
3517 build_polynomial_chrec.
3518 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3519 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
3520 reset_evolution_in_loop): Insert asserts to check the types of the
3522 (chrec_type): Moved...
3523 (eq_evolutions_p): Use operand_equal_p.
3524 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
3525 the types of the operands.
3526 (chrec_type): ...here.
3527 * tree-data-ref.c (create_data_ref): Convert the operands before
3528 calling chrec_replace_initial_condition.
3529 (same_access_functions, analyze_subscript_affine_affine,
3530 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
3531 (compute_subscript_distance, analyze_ziv_subscript,
3532 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
3533 analyze_miv_subscript): Convert the operands before calling
3534 chrec_fold_minus or chrec_fold_plus.
3536 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3538 * tree-data-ref.c (compute_all_dependences): Use a pointer to
3539 the dependence_relations vector.
3540 (compute_data_dependences_for_loop): Adjust call to
3541 compute_all_dependences.
3543 2006-04-01 Roger Sayle <roger@eyesopen.com>
3544 Richard Henderson <rth@redhat.com>
3546 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
3547 gimple_boolify on the condition before calling gimplify_expr.
3549 2006-03-31 Bob Wilson <bob.wilson@acm.org>
3551 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
3552 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
3553 the frame size. Update to use the new macros.
3554 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
3555 * config/xtensa/ieee754-df.S: Likewise.
3557 2006-03-31 Richard Henderson <rth@redhat.com>
3559 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
3560 (make_edges): ... here. Control fallthru creation with a local
3561 variable. Do not play with fake edges.
3562 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
3563 (make_goto_expr_edges): Don't play with fake edges. Make for_call
3566 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
3568 * dwarf2.h (DW64_CIE_ID): Define.
3569 * dwarf2out.c (DWARF_CIE_ID): Define.
3570 (output_call_frame_info): Output 0xffffffff before standard 8-byte
3571 length header. Use DWARF_CIE_ID.
3572 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3573 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3575 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3577 * config/sh/linux-atomic.asm: New file.
3578 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3580 2006-03-31 DJ Delorie <dj@redhat.com>
3582 * config/m32c/cond.md: Set condition flags properly throughout.
3583 * config/m32c/minmax.md: Likewise.
3584 * config/m32c/prologue.md: Likewise.
3585 * config/m32c/bitops.md: Likewise.
3586 * config/m32c/muldiv.md: Likewise.
3587 * config/m32c/mov.md: Likewise.
3588 * config/m32c/addsub.md: Likewise.
3589 * config/m32c/m32c.md: Likewise.
3590 * config/m32c/jump.md: Likewise.
3591 * config/m32c/shift.md: Likewise.
3593 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
3594 conditionally output the pattern for this.
3595 * config/m32c/m32c.c (flags_needed_for_conditional): New.
3596 (m32c_compare_redundant): New.
3597 (m32c_output_compare): New.
3598 * config/m32c/m32c-protos.h (m32c_output_compare): New.
3600 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
3601 dest, not src. Allow other 4-byte modes.
3603 2006-03-30 Denis Chertykov <denisc@overta.ru>
3605 * doc/md.texi: Refer to avr/constraints.md instead of
3608 2006-03-30 Roger Sayle <roger@eyesopen.com>
3610 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
3611 signed vs. unsigned comparison failures on some hosts.
3613 2006-03-31 Alan Modra <amodra@bigpond.net.au>
3616 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
3617 change to FLOAT_REGS.
3619 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
3620 (rs6000_override_options): Use it.
3621 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
3622 only for -mabi=spe/no-spe and -mabi=altivec.
3624 2006-03-30 Geoffrey Keating <geoffk@apple.com>
3626 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
3629 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
3631 * Makefile.in: Rename docdir to gcc_docdir.
3633 2006-03-30 Roger Sayle <roger@eyesopen.com>
3636 * expr.c (emit_group_store): Optimize group stores into a pseudo
3637 register by using a paradoxical subreg to initialize the destination
3638 if the first or last member of the group specifies a "low part".
3640 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3643 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
3644 * target.h (struct gcc_target.speculate_insn): Change type of the
3645 second parameter to 'int'.
3646 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
3647 the second operand of the DEPS_LIST.
3648 (copy_DEPS_LIST_list): Update reference to the second operand of the
3650 * rtl.h (alloc_DEPS_LIST): Update signature.
3651 * sched-int.h (ds_t): Change typedef to 'int'.
3652 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3654 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3656 * haifa-sched.c (try_ready): Change condition to restore
3657 non-speculative pattern of the instruction.
3658 (process_insn_depend_be_in_spec): Code to keep probability of the
3659 speculative dependence non-decreasing.
3661 2006-03-30 Jie Zhang <jie.zhang@analog.com>
3663 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
3664 (single_move_for_movmem): ... this. Also change all uses.
3665 (bfin_expand_strmov): Renamed to...
3666 (bfin_expand_movmem): ... this. Also change all uses.
3667 * config/bfin/bfin.md (movstrsi): Renamed to...
3668 (movstrsi): ...this.
3670 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
3672 PR tree-optimization/26830
3674 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
3675 (copy_prop_visit_stmt): Remove write-only variable ann.
3676 (init_copy_prop): Check variable loop depth here. Do not simulate
3677 memory-tag and virtual operand PHIs except for store copy prop.
3679 2006-03-30 Richard Guenther <rguenther@suse.de>
3681 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3682 variants with double arguments.
3684 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3686 * genpreds.c (write_tm_constrs_h): Delete variable p.
3687 * genconditions.c (write_header): Add tm-constrs.h to included
3689 * genpeep.c (main): Add toplev.h to included headers.
3690 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3691 (build/genpeep.o): Add toplev.h dependency.
3692 * config/rs6000/constraints.md: Add "W" constraint.
3694 2006-03-29 Roger Sayle <roger@eyesopen.com>
3696 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3697 sizes by correctly testing whether the size fits a host integer.
3698 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3699 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3700 SImode range for the default sizetype and bitsizetype.
3702 2006-03-29 Roger Sayle <roger@eyesopen.com>
3704 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3705 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3706 quickly if the argument is already of the correct type.
3707 Call fold_build1 instead of build1. Tidy up blank lines.
3709 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3711 * genemit.c (main): Add tm-constrs.h to included headers.
3712 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3713 * genpeep.c (main): Add tm-constrs.h to included headers.
3714 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3715 (write_tm_constrs_h): this and write complete file.
3716 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3717 (write_insn_preds_c): Add tm-constrs.h to included headers.
3718 (gen_constrs): New variable.
3719 (parse_option): Parse "-c".
3720 (main): Invoke write_tm_constrs_h.
3721 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3722 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3723 (object_out_file): Add tm-constrs.h dependency.
3724 (insn-emit.o): Same.
3725 (insn-output.o): Same.
3726 (insn-peep.o): Same.
3727 (insn-preds.o): Same.
3728 (insn-recog.o): Same.
3729 (tm-constsr.h): New target.
3730 (s-constrs-h): New target.
3732 * config/rs6000/constraints.md: New file.
3733 * config/rs6000/rs6000.c: Include tm-constrs.h.
3734 (num_insn_constant_wide): Convert to satisfies_constraint.
3735 (rs6000_rtx_costs): Convert to satisfies_constraint.
3736 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3737 (CONST_OK_FOR_LETTER_P): Delete.
3738 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3739 (EXTRA_CONSTRAINT): Delete.
3740 (EXTRA_MEMORY_CONSTRAINT): Delete.
3741 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3742 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3743 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3744 satisfies_constraint.
3746 * config/i386/i386.c: Include tm-constrs.h.
3748 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3750 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3751 * tree-data-ref.c (find_data_references_in_loop,
3752 compute_data_dependences_for_loop): Use pointers to VEC.
3753 (analyze_all_data_dependences): Adjust calls.
3754 * tree-data-ref.h (find_data_references_in_loop,
3755 compute_data_dependences_for_loop): Adjust declarations.
3756 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3757 compute_data_dependences_for_loop.
3759 2006-03-29 Paul Brook <paul@codesourcery.com>
3761 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3764 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3766 PR tree-optimization/26859
3767 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3769 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3770 for the step after fold_convert.
3772 2006-03-29 Paul Brook <paul@codesourcery.com>
3774 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3775 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3777 2006-03-29 Paul Brook <paul@codesourcery.com>
3780 * targhooks.c (default_narrow_bitfield): New fuction.
3781 * targhooks.h (default_narrow_bitfield): add prototype.
3782 * target.h (gcc_target): Add narrow_volatile_bitfield.
3783 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3784 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3785 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3786 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3788 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3790 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3792 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3793 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3794 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3795 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3796 (s390_function_arg_float): Allow SDmode and DDmode values to be
3797 passed in floating point registers.
3798 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3799 check with SCALAR_FLOAT_MODE_P.
3800 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3802 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3804 PR tree-optimization/25985
3805 * tree-ssa-loop-niter.c (number_of_iterations_le,
3806 number_of_iterations_ne): Make comments more precise.
3807 (number_of_iterations_cond): Add only_exit argument. Use the
3808 fact that signed variables do not overflow only when only_exit
3810 (loop_only_exit_p): New.
3811 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3812 number_of_iterations_cond.
3814 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3816 PR tree-optimization/26643
3817 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3820 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3822 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3823 (divsi3_i4_int): Likewise.
3825 2006-03-28 Roger Sayle <roger@eyesopen.com>
3827 * expr.c (emit_group_store): Only create a new pseudo reg if the
3828 quantity it needs to hold isn't already a suitable pseudo.
3830 2006-03-28 Jeff Law <law@redhat.com>
3832 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3833 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3835 2006-03-28 Roger Sayle <roger@eyesopen.com>
3837 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3838 the equivalent ~X & Y, and the symmetry related transformations.
3839 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3840 ~X & Y, and symmetry related transforms.
3842 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3844 Revert my 2006-03-27 patches.
3846 2006-03-28 Roger Sayle <roger@eyesopen.com>
3848 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3849 ~(T1)X, when T1 and T2 are integer types of the same precision
3850 and (T2)X isn't an extension.
3852 2006-03-28 Jeff Law <law@redhat.com>
3854 PR tree-optimization/26796
3855 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3856 need EH edge cleanups rather than purging them immediately.
3857 (eliminate_degenerate_phis): Handle queued EH cleanups.
3859 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3861 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3864 2006-03-27 Roger Sayle <roger@eyesopen.com>
3867 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3868 cast BIT_NOT_EXPR operand to the correct type.
3870 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3872 * tree-loop-linear.c: Don't include varray.h.
3873 (gather_interchange_stats, try_interchange_loops,
3874 linear_transform_loops): Use VEC instead of VARRAY.
3875 * lambda-mat.c: Don't include varray.h.
3876 * tree-chrec.c: Same.
3877 * lambda-trans.c: Same.
3878 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3879 VEC instead of VARRAY.
3880 * tree-vectorizer.h: Idem.
3881 * tree-data-ref.c (dump_data_references,
3882 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3883 initialize_data_dependence_relation, finalize_ddr_dependent,
3884 compute_all_dependences, find_data_references_in_loop,
3885 compute_data_dependences_for_loop, analyze_all_data_dependences,
3886 free_dependence_relation, free_dependence_relations,
3887 free_data_refs): Idem.
3888 * tree-data-ref.h (data_reference_p, subscript_p): New.
3889 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3890 VEC instead of VARRAY.
3891 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3892 (find_data_references_in_loop, compute_data_dependences_for_loop,
3893 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3894 dump_data_dependence_relations, free_dependence_relations,
3895 free_data_refs): Adjust declaration.
3896 (lambda_transform_legal_p): Move declaration here...
3897 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3898 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3899 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3900 vect_analyze_data_refs): Use VEC instead of VARRAY.
3901 * lambda.h (lambda_transform_legal_p): ...from here.
3902 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3903 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3904 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3905 tree-chrec.o): Don't depend on VARRAY_H.
3907 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3909 * rtl.def (Copyright): Update date.
3910 (DEPS_LIST): Change type of the second operand to 'int'.
3911 * target.h (Copyright): Update date.
3912 (struct gcc_target.speculate_insn): Change type of the second parameter
3914 * lists.c (Copyright): Update date.
3915 (alloc_DEPS_LIST): Change signature. Update reference to the second
3916 operand of the DEPS_LIST.
3917 (copy_DEPS_LIST_list): Update reference to the second operand of the
3919 * rtl.h (Copyright): Update date.
3920 (alloc_DEPS_LIST): Update signature.
3921 * sched-int.h (Copyright): Update date.
3922 (ds_t): Change typedef to 'int'.
3923 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3925 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3927 * haifa-sched.c (Copyright): Update date.
3928 (try_ready): Change condition to restore non-speculative pattern
3930 (process_insn_depend_be_in_spec): Code to keep probability of the
3931 speculative dependence non-decreasing.
3933 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3935 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3936 shut up the compiler.
3938 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3940 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3941 to use lib prefix for target.
3942 ($(T)libic_invalidate_array_4-200.a): Likewise.
3943 ($(T)libic_invalidate_array_4a.a): Likewise.
3945 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3946 J"orn Rennecke <joern.rennecke@st.com>
3948 * superh.opt: New file.
3949 * sh.c (boardtype, osruntime): Remove.
3950 * superh.h (SUBTARGET_OPTIONS): Remove.
3951 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3953 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3954 arguments with ^ and/or [].
3956 * config.gcc (sh-*-*): Add quoting to account for quirk of
3958 Replace == with = in enable_incomplete_targets test.
3960 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3961 with MASK_LITTLE_ENDIAN.
3963 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3964 * config/sh/sh.opt: Added to some comments.
3965 * config/sh/superh.h: Removed some chaff.
3967 * config/sh/sh.opt: Add m4-[1234]00* options.
3968 * config/sh/sh.c (sh_handle_option): Likewise.
3969 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3970 (ic_invalidate_array_4-100.o): New rule.
3971 ($(T)libic_invalidate_array_4-100.a): Likewise.
3972 (ic_invalidate_array_4-200.o): Likewise.
3973 ($(T)libic_invalidate_array_4-200.a): Likewise.
3974 (ic_invalidate_array_4a.o): Likewise.
3975 ($(T)libic_invalidate_array_4a.a): Likewise.
3976 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3977 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3979 * config/sh/crt1.asm: Merged in profiling code.
3980 * config/sh/superh.h (STARTFILE_SPEC): Override.
3981 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3982 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3983 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3985 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3986 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3987 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3989 * sh.opt (mpretend-cmove): New option.
3990 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3991 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3992 (movsicc): Add TARGET_PRETEND_CMOVE code.
3994 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3996 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3997 s390_class_max_nregs): New function prototypes.
3998 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3999 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4000 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4001 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4003 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4005 * dwarf2out.c (add_location_or_const_value_attribute): Call
4006 tree_add_const_value_attribute if nothing else works.
4007 (reference_to_unused): New.
4008 (rtl_for_decl_init): Use reference_to_unused to decide whether
4009 to output an initializer.
4011 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4014 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4015 peephole removing spe frob_di_df_2.
4017 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4019 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4020 (subscript_dependence_tester_1): Declared.
4021 (print_dir_vectors, print_dist_vectors): New.
4022 (debug_data_dependence_relation): New.
4023 (dump_data_dependence_relation): Print more details.
4024 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4025 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4026 (save_dist_v, save_dir_v, add_outer_distances,
4027 build_classic_dist_vector_1): New.
4028 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4029 Don't test for lambda_vector_lexico_pos.
4030 (same_access_functions, add_multivariate_self_dist,
4031 add_other_self_distances, dir_from_dist): New.
4032 (build_classic_dir_vector): Replace implementation almost identical to
4033 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4035 (subscript_dependence_tester_1): New.
4036 (subscript_dependence_tester): Handle the lexicographically negative
4037 distance vectors by recomputing the dependence relation.
4038 (compute_affine_dependence): Remove parameter loop_nest_depth.
4039 (compute_self_dependence): Don't call compute_subscript_distance.
4040 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4041 Add a parameter for the loop_nest.
4042 (find_loop_nest_1, find_loop_nest): New.
4043 (compute_data_dependences_for_loop): Compute the loop nest, and give
4044 up if the nest is not well formed.
4045 * tree-data-ref.h (loop_p): New.
4046 (struct data_dependence_relation): Replace size_vect field with
4047 loop_nest, a vec of loops.
4048 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4049 (DDR_LOOP_NEST): New.
4050 (print_dir_vectors, print_dist_vectors,
4051 debug_data_dependence_relation): Declared.
4052 (index_in_loop_nest): New.
4053 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4054 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4057 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4059 * simplify-rtx.c (simplify_relational_operation): Call
4060 simplify_relational_operation_1 even if mode is VOIDmode.
4062 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4064 PR tree-optimization/26804
4065 * tree.h (DECL_CALL_CLOBBERED): New macro.
4066 (tree_decl_common): Add call_clobbered_flag.
4067 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4068 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4069 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4070 (mark_non_addressable): Ditto.
4071 * tree-ssa.c (verify_call_clobbered): New function.
4072 (verify_alias_info): Use it.
4073 * tree-pass.h (pass_reset_cc_flags): New prototype.
4074 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4075 (reset_cc_flags): New function.
4076 * passes.c (init_optimization_passes): Call reset_cc_flags after
4077 initializing referenced_vars.
4079 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4080 Roger Sayle <roger@eyesopen.com>
4083 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4084 to 1.0 for non-real operands. Implement A / A optimization for
4087 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4089 * config/i386/i386.c (size_cost): Correct the comment for
4090 cost of storing fp registers.
4091 (i386_cost): Likewise.
4092 (i486_cost): Likewise.
4093 (pentium_cost): Likewise.
4094 (pentiumpro_cost): Likewise.
4095 (k6_cost): Likewise.
4096 (athlon_cost): Likewise.
4097 (k8_cost): Likewise.
4098 (pentium4_cost): Likewise.
4099 (nocona_cost): Likewise.
4100 (generic64_cost): Likewise.
4101 (generic32_cost): Likewise.
4103 2006-03-24 Denis Chertykov <denisc@overta.ru>
4105 * config/avr/avr-protos.h (extra_constraint): Delete.
4106 (extra_constraint_Q): New declaration.
4107 * config/avr/constraints.md: New file.
4108 * config/avr/avr.md: Include it.
4109 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4110 (TMP_REGNO, ZERO_REGNO): Likewise.
4111 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4112 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4113 (extra_constraint): Delete.
4114 (extra_constraint_Q): Test for memory constraint 'Q'.
4115 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4116 (REG_CLASS_FROM_LETTER): Delete.
4117 (CONST_OK_FOR_LETTER_P): Delete.
4118 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4119 (EXTRA_CONSTRAINT): Delete.
4120 (TMP_REGNO): Delete.
4121 (ZERO_REGNO): Delete.
4123 2006-03-24 Jeff Law <law@redhat.com>
4125 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4126 directly. Call mark_new_vars_to_rename slightly earlier.
4128 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4130 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4132 (gen_compile_unit_die): Use new language types for Objective-C and
4134 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4135 DW_LANG_C_plus_plus.
4138 * config/t-darwin (crt3.o): Work around bug 26840.
4139 * config/darwin-crt3.c: Rewrite.
4140 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4142 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4144 * doc/invoke.texi: Document -femit-class-debug-always
4145 * common.opt: Add -femit-class-debug-always.
4147 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4149 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4150 index and base register.
4151 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4152 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4153 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4154 REGNO_OK_FOR_INDEX_P.
4155 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4157 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4158 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4159 REG_OK_FOR_BASE_P): Definitions removed.
4161 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4164 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4165 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4166 set yet or weren't marked as local yet.
4168 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4170 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4173 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4175 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4176 (rs6000_legitimate_small_data_p): Delete.
4177 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4178 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4179 and make static. Add forward declaration. Update uses.
4180 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4181 of offsettable_memref_p.
4182 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4183 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4185 2006-03-24 Jeff Law <law@redhat.com>
4187 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4188 around bug in immediate-use iterator.
4190 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4193 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4194 or __LITTLE_ENDIAN__.
4196 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4198 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4199 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4200 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4201 * config/sh/sh.opt (mdiv=): Amend description.
4202 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4203 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4204 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4205 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4206 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4207 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4208 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4209 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4210 TARGET_DIVIDE_CALL_FP.
4212 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4214 * haifa-sched.c (choose_ready): Fix type of the local variable.
4215 Move local variables. Add comment.
4216 (check_reg_live): Change signature. Make callable from debugger.
4217 * sched-int.h (check_reg_live): Update signature.
4218 * sched-ebb.c (check_reg_live): Update parameters.
4219 * sched-rgn.c (check_reg_live): Ditto.
4220 (region_head_or_leaf_p): Check pointer before dereferencing.
4221 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4222 before reload on optimization levels below 1.
4224 2006-03-23 Richard Henderson <rth@redhat.com>
4226 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4230 * config/alpha/predicates.md (local_symbolic_operand): Reject
4233 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4236 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4237 expressions which have overflowed constants.
4239 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4241 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4243 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4245 * cfgloopmanip.c (create_loop_notes): Removed.
4246 * final.c (final_scan_insn): Do not handle loop notes.
4247 * jump.c (squeeze_notes): Ditto.
4248 * cfglayout.c (skip_insns_after_block,
4249 duplicate_insn_chain): Ditto.
4250 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4252 * cfgloop.h (create_loop_notes): Declaration removed.
4254 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4256 * varasm.c (output_constant_pool): Restore fnname and fndecl
4258 (assemble_start_function): Adjust call accordingly.
4259 (assemble_end_function): Likewise.
4261 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4264 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4267 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4269 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4272 * system.h (ICE_EXIT_CODE): New macro.
4273 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4274 (diagnostic_action_after_output): Likewise.
4275 * gcc.c (fatal_ice): New function.
4276 (execute): Use it instead of fatal.
4277 (fancy_abort): Likewise.
4278 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4280 2006-03-22 Jeff Law <law@redhat.com>
4282 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4283 iv_analyze_result returning false.
4285 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4287 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4289 2006-03-22 Richard Henderson <rth@redhat.com>
4292 * except.c (duplicate_eh_regions_0): New.
4293 (duplicate_eh_region_1): Duplicate the children of the node as
4294 well as the node itself. Link them up properly.
4295 (duplicate_eh_region_2): Merge into ...
4296 (duplicate_eh_regions): ... here. Take copy_region argument, and
4297 copy only a sub-tree if asked. Simplify copying and fixup.
4298 (eh_region_outer_p): New.
4299 * except.h (duplicate_eh_regions): Update decl.
4300 (eh_region_outer_p): Declare.
4301 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4302 (lower_omp_master): Likewise.
4303 (lower_omp_ordered): Likewise.
4304 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4305 (move_stmt_r): Use it to remap labels. Handle recursion vs
4306 remap_decls_p properly.
4307 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4308 (find_outermost_region_in_block): New.
4309 (new_label_mapper): New.
4310 (move_sese_region_to_fn): Copy eh information to the new function
4312 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4314 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4317 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4319 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4320 into shared libraries.
4322 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4324 * doc/md.texi: Refer to i386/constraints.md instead of
4326 * config/i386/constraints.md: New file, extracted from...
4327 * config/i386/predicates.md: ...here.
4328 * config/i386/i386.md: Include constraints.md.
4330 2006-03-21 Jason Merrill <jason@redhat.com>
4332 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4335 * expr.c (init_block_move_fn): Force default visibility.
4336 (init_block_clear_fn): Likewise.
4337 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4338 * targhooks.c (default_external_stack_protect_fail): Likewise.
4340 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4342 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4343 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4344 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4345 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4346 (loadgp): Use mips_current_loadgp_style.
4347 (loadgp_noshared): New pattern.
4348 (sibcall_internal): Use MIPS_CALL.
4349 (sibcall_value_internal): Likewise.
4350 (sibcall_value_multiple_internal): Likewise.
4351 (call_internal): Likewise.
4352 (call_value_internal): Likewise.
4353 (call_value_multiple_internal): Likewise.
4354 (call_split): Use MIPS_CALL and add an 'S' constraint.
4355 (call_value_split): Likewise.
4356 (call_value_multiple_split): Likewise.
4357 * config/mips/mips.opt (-mabicalls): Tweak docstring.
4358 (-mshared): New option.
4359 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
4360 (mips_current_loadgp_style): Declare.
4361 * config/mips/mips.c (mips_classify_symbol): Avoid using
4362 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
4363 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
4364 TARGET_ABSOLUTE_ABICALLS.
4365 (override_options): Adjust comments. Improve the warning that is
4366 issued when -mabicalls and -G are used together.
4367 (mips_file_start): Remove comment.
4368 (mips_current_loadgp_style): New function.
4369 (mips_gnu_local_gp): New variable.
4370 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
4372 (mips_output_function_prologue): Use mips_current_laodgp_style.
4373 (mips_expand_prologue): Call mips_emit_loadgp before emitting
4374 the cprestore instruction.
4375 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
4376 live for TARGET_ABSOLUTE_ABICALLS.
4377 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
4378 (ASM_SPEC): Pass down -mshared and -mno-shared.
4379 (MIPS_CALL): New macro.
4380 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
4382 * doc/invoke.texi (-mabicalls): Update documentation.
4383 (-mshared): Document.
4385 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4387 * config/ia64/unwind-hpux.c: New file.
4388 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
4390 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4393 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
4395 2006-03-21 Jeff Law <law@redhat.com>
4397 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4398 type conversions of a VR_VARYING source to a wider type.
4400 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4402 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
4403 tm_file on Solaris 10 and later.
4404 (sparc64-*-solaris2*): Likewise.
4405 (sparc-*-solaris2*): Likewise.
4406 * config/sol26.h: Rename to config/sol2-6.h.
4407 * config/sol2-10.h: New file.
4409 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
4412 * tree-ssa-pre.c (create_component_ref_by_pieces):
4415 2006-03-21 Jakub Jelinek <jakub@redhat.com>
4418 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
4419 return it immediately.
4421 2006-03-21 Michael Matz <matz@suse.de>
4423 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
4425 (remove_arc, add_arc): Update num_out_arcs member.
4426 (set_out_arc_insns_equiv_num): Returns nothing instead of number
4428 (cache_presence): New function.
4429 (compare_states_for_equiv): New function.
4430 (state_is_differed): Don't take number of outargs, adjust callers.
4431 Use new invariant for speeding up.
4432 (init_equiv_class): Create initial classes based on sorted
4434 (partition_equiv_class): Don't track out_arcs_num.
4435 (evaluate_equiv_classes): Call cache_presence on all states and
4438 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
4440 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
4441 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
4442 (bfin_valid_reg_p): Test for pseudos explicitly and use only
4443 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
4445 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
4446 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
4447 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
4448 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
4449 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
4451 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
4452 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
4453 (REGNO_REG_CLASS): ARGP is in PREGS.
4454 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
4456 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
4457 to deal with those addresses.
4458 * addresses.h: New file.
4459 * caller-save.c: Include "addresses.h".
4460 (init_caller_save): Use new base_reg_class function.
4461 * rtl-factoring.c: Include "addresses.h".
4462 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
4463 * recog.c: Include "addresses.h".
4464 (preprocess_constraints): Use new base_reg_class function.
4465 * regrename.c: Include "addresses.h".
4466 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
4467 functions. Keep track of a new var INDEX_CODE to compute valid
4469 (replace_oldest_value_addr): Likewise.
4470 (replace_oldest_value_mem): Use base_reg_class.
4471 * reload.c: Include "addresses.h".
4472 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
4473 (find_reloads): Use new base_reg_class function.
4474 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
4475 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
4476 all callers and prototype changed.
4477 * reload1.c: Include "addresses.h".
4478 (maybe_fix_stack_asms): Use base_reg_class.
4479 * regclass.c: Include "addresses.h".
4480 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
4481 (init_reg_autoinc): Use new base_reg_class function.
4482 (record_reg_classes): Likewise.
4483 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
4484 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
4485 Use new args to compute necessary class.
4487 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
4488 regrename.o, rtl-factoring.o): Update dependencies.
4489 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
4490 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
4491 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
4492 REG_OK_FOR_INDEX_P): Delete documentation.
4494 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
4496 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
4497 from V7 to V9 for Solaris 7 and above.
4499 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
4501 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
4502 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
4503 argument pointers may not alias any other storage.
4504 * common.opt: Define option -fargument-noalias-anything.
4505 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
4506 alias semantics is specified by flag_argument_noalias > 2.
4508 2006-03-20 Jeff Law <law@redhat.com>
4510 * tree-pass.h (pass_phi_only_copy_prop): Delete.
4511 (pass_phi_only_cprop): Declare.
4512 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
4514 * tree-ssa-dom.c (degenerate_phi_result): New function.
4515 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
4516 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
4517 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
4518 (eliminate_degenerate_phis): Likewise.
4519 (pass_phi_only_cprop): New pass descriptor.
4520 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
4521 support code. Callers updated.
4522 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
4523 (store_copy_prop): Likewise.
4524 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
4526 2006-03-20 Jason Merrill <jason@redhat.com>
4529 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
4530 (push_visibility, pop_visibility): Likewise.
4531 * c-pragma.h: Declare them.
4533 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
4535 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
4537 * config/sh/sh.c (find_regmode_weight): Change the type of the first
4538 parameter and use get_ebb_head_tail.
4539 (sh_md_init_global): Adjust uses of find_regmode_weight.
4541 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
4543 * function.h (struct function) <x_tail_recursion_reentry>:
4544 Rename to x_stack_check_probe_note.
4545 (tail_recursion_reentry): Rename to stack_check_probe_note.
4546 * function.c: Replace tail_recursion_reentry with
4547 stack_check_probe_note everywhere.
4548 (expand_function_start): Only emit a note for
4549 stack_check_probe_note with -fstack-protect.
4550 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
4552 * emit-rtl.c (remove_unnecessary_notes): Remove.
4553 (pass_remove_unnecessary_notes): Remove.
4554 * rtl.h (remove_unnecessary_notes): Remove prototype.
4555 * final.c (final_start_function): Don't call remove_unnecessary_notes.
4556 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
4557 * passes.c (pass_remove_unnecessary_notes): Don't run it.
4559 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
4562 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
4563 (valid_in_set): Handle ARRAY_REF.
4564 Change "if min_variant or VH" to asserts.
4565 (create_component_ref_by_pieces): Handle ARRAY_REF.
4566 (create_expression_by_pieces): Likewise.
4567 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
4569 2006-03-20 David Edelsohn <edelsohn@gnu.org>
4571 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4572 is operand of switch, not str[0].
4574 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4576 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4577 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4579 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4581 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4582 end of insn_extra_address_constraint declaration.
4584 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4586 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4587 (no-sum-in-toc): Same.
4588 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4590 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4591 NO_FP_IN_TOC for -fPIC instead of mask.
4593 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
4594 (BOOT_LDFLAGS): Delete.
4596 * config/rs6000/t-aix52: Same.
4598 * config/rs6000/rs6000.md (store_multiple_power): Delete.
4599 (stmsi[345678]_power): New.
4601 2006-03-17 Steve Ellcey <sje@cup.hp.com>
4603 * config/ia64/ia64.opt: Add empty line to end of file.
4605 2006-03-17 Richard Guenther <rguenther@suse.de>
4608 * builtins.c (get_pointer_alignment): For component style references
4609 adjust alignment to the component type alignment. Make sure
4610 to adjust alignment for component access of constants.
4612 2006-03-17 David Edelsohn <edelsohn@gnu.org>
4614 * config/rs6000/rs6000.md (strlensi): Emit barrier after
4617 2006-03-17 Paul Brook <paul@codesourcery.com>
4619 * doc/install.texi: Docuemnt --with-mode.
4620 * config.gcc: Add --with-mode for arm*-*-*.
4621 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
4623 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
4625 * sh.c (max_labelno_before_reorg): New variable.
4626 (sh_reorg): Initialize it.
4627 (find_barrier): Check max_labelno_before_reorg before using
4628 label_to_alignment. Take length of explicit alignment insns
4629 into account. When seeing a UNSPECV_CONST_END, return it.
4631 * sh.c (fixup_mova): Set mode of affected label to QImode.
4632 (untangle_mova): New function.
4633 (find_barrier): Use it. Check mode of label before decrementing
4635 (sh_reorg): Likewise.
4636 Set mode of all insns back to VOIDmode.
4638 * sh.c (MOVA_LABELREF): New macro.
4639 (mova_p, fixup_mova, sh_reorg): Use it.
4640 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
4641 ADDR_DIFF_VEC matches mova.
4643 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
4645 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
4646 with ATTRIBUTE_UNUSED.
4648 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4650 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4651 pointer, instead of assuming it is possible to derive the
4652 correct args size from a call insn.
4654 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4656 * rtl.h (CONST_INT_P): Define.
4657 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
4658 instead of GET_CODE(x) == CONST_INT.
4659 (vax_rtx_costs): Likewise.
4660 (vax_output_int_move): Likewise.
4661 (vax_output_int_add): Likewise.
4662 (legitimate_constant_address_p): Likewise.
4663 (index_term_p): Likewise.
4664 * config/vax/vax.h (PRINT_OPERAND): Likewise.
4665 * config/vax/vax.md (and<mode>3): Likewise.
4666 (ashrsi3): Likewise.
4668 (movstricthi): Likewise.
4669 (movstrictqi): Likewise.
4670 (rotrsi3): Likewise.
4671 (five unnamed insns): Likewise.
4673 2006-03-16 Geoffrey Keating <geoffk@apple.com>
4675 * doc/tm.texi (SDB and DWARF): Add extra parameter to
4676 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
4677 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
4678 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
4679 Pass to ASM_OUTPUT_DWARF_OFFSET.
4680 * dwarf2out.c (debug_frame_section): New.
4681 (output_call_frame_info): Use debug_frame_section. Pass it to
4682 dw2_asm_output_offset.
4683 (output_die): Pass appropriate section to dw2_asm_output_offset.
4684 (output_compilation_unit_header): Likewise.
4685 (output_pubnames): Likewise.
4686 (output_aranges): Likewise.
4687 (enum dw_val_class): Break dw_val_class_lbl_offset into
4688 dw_val_class_lineptr and dw_val_class_macptr.
4689 (add_AT_lbl_offset): Delete.
4690 (add_AT_lineptr): New.
4691 (add_AT_macptr): New.
4692 (AT_lbl): Expect a lineptr or macptr.
4693 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4694 (attr_checksum): Likewise.
4695 (same_dw_val_p): Likewise.
4696 (size_of_die): Likewise.
4697 (value_format): Likewise.
4698 (output_die): Likewise.
4699 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4701 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4702 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4703 * config/darwin-protos.h (darwin_file_start): New.
4704 (darwin_asm_output_dwarf_offset): New.
4705 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4706 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4708 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4709 if not EH section; simplify.
4710 (darwin_file_start): New.
4711 (darwin_asm_output_dwarf_offset): New.
4712 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4714 (DEBUG_INFO_SECTION): Likewise.
4715 (DEBUG_ABBREV_SECTION): Likewise.
4716 (DEBUG_ARANGES_SECTION): Likewise.
4717 (DEBUG_MACINFO_SECTION): Likewise.
4718 (DEBUG_LINE_SECTION): Likewise.
4719 (DEBUG_LOC_SECTION): Likewise.
4720 (DEBUG_PUBNAMES_SECTION): Likewise.
4721 (DEBUG_STR_SECTION): Likewise.
4722 (DEBUG_RANGES_SECTION): Likewise.
4723 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4724 (ASM_OUTPUT_DWARF_OFFSET): New.
4726 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
4728 * config.gcc (tm_defines): Always add to previous value rather
4731 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4733 * config/mips/predicates.md (splittable_const_int_operand): New,
4734 split from move_operand.
4735 (splittable_symbolic_operand): New.
4736 (move_operand): Add commentary. Use splittable_const_int_operand.
4737 Inline mips_atomic_symbolic_constant_p.
4738 * config/mips/mips.md: Add combine splitters for handling moves
4739 of splittable_const_int_operands and splittable_symbolic_operands.
4740 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4741 (mips_split_symbol): Declare.
4742 (mips_move_integer): Declare.
4743 * config/mips/mips.c (mips_split_p): Make global.
4744 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4745 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4746 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4747 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4748 (mips_offset_within_object_p): Handle block symbols.
4749 (mips_atomic_symbolic_constant_p): Delete.
4750 (mips_cannot_force_const_mem): Return false for constants that
4751 mips_legitimize_move can handle.
4752 (mips_use_blocks_for_constant_p): New function.
4753 (mips_split_symbol): Make global.
4754 (mips_move_integer): Likewise. Add a temporary register argument.
4755 (mips_legitimize_const_move): Use splittable_const_int_operand and
4756 splittable_symbolic_operand.
4757 (mips_use_anchors_for_symbol_p): New function.
4758 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4759 (mips_split_p): Declare.
4761 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4763 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4764 (mips*-*-linux*): Likewise.
4766 2006-03-16 Roger Sayle <roger@eyesopen.com>
4767 Daniel Speyer <dspeyer@wam.umd.edu>
4770 * tree-dump.c (dump_real): New function.
4771 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4772 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4773 (tree-dump.o): Add $(REAL_H) to the dependencies.
4775 2006-03-16 Roger Sayle <roger@eyesopen.com>
4778 * real.c (real_from_string): If the mantissa is zero, don't bother
4779 parsing the exponent as the result should always be zero.
4781 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4783 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4785 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4787 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4788 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4789 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4790 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4791 ia64_sched_finish_global): New static functions to implement
4792 hooks from gcc_target.sched.
4793 (spec_check_no, max_uid, pending_data_specs): New static variables.
4794 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4795 ia64_spec_check_src_p): New static functions.
4796 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4797 (TARGET_SCHED_ADJUST_COST): Removed.
4798 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4799 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4800 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4801 TARGET_SCHED_GEN_CHECK,
4802 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4803 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4804 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4805 Fixed to handle speculation checks.
4806 (rtx_needs_barrier): Fixed to handle speculative loads and
4808 (ia64_variable_issue): Added code to count speculative loads and their
4810 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4812 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4814 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4816 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4817 (ia64_reorg): Reset stops_p to NULL after it is freed.
4818 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4819 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4820 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4822 (data_speculative, control_speculative, check_load): New attributes.
4823 (mov<mode>_advanced, mov<mode>_speculative,
4824 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4825 zero_extend<mode>di2_speculative,
4826 zero_extend<mode>di2_speculative_advanced): New patterns for
4827 data and control speculative loads.
4828 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4830 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4831 New pattern for data and control speculation checks.
4832 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4833 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4834 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4835 Auxiliary definitions for the patterns.
4836 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4837 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4839 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4841 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4842 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4843 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4844 New resource constraints.
4845 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4847 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4848 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4849 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4850 msched-in-control-spec, msched-ldc, msched-control-ldc,
4851 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4852 msched-prefer-non-control-spec-insns,
4853 msched-count-spec-in-critical-path): New flags to tune speculative
4855 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4856 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4857 msched-in-control-spec, msched-ldc, msched-control-ldc,
4858 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4859 msched-prefer-non-control-spec-insns,
4860 msched-count-spec-in-critical-path): Document new flags.
4862 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4864 * target.h (struct spec_info_def): New opaque declaration.
4865 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4866 speculate_insn, needs_block_p, gen_check,
4867 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4868 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4869 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4870 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4871 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4872 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4874 (TARGET_SCHED): Use new macros.
4875 * rtl.h (copy_DEPS_LIST_list): New prototype.
4876 * sched-int.h (struct sched_info): Change signature of new_ready field,
4877 adjust all initializations. New fields: add_remove_insn,
4878 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4879 region_head_or_leaf_p.
4880 (struct spec_info_def): New structure declaration.
4881 (spec_info_t): New typedef.
4882 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4883 recovery_block, orig_pat.
4884 (glat_start, glat_end): New variables declaraions.
4885 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4887 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4888 DETACH_LIFE_INFO, USE_GLAT.
4889 (enum SPEC_SCHED_FLAGS): New enumeration.
4890 (NOTE_NOTE_BB_P): New macro.
4891 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4892 attach_life_info, debug_spec_status, check_reg_live): New functions.
4893 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4894 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4896 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4897 * ddg.c (get_block_head_tail): Adjust all uses.
4898 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4899 (sms_sched_info): Initialize new fields.
4900 (contributes_to_priority): Removed.
4901 * haifa-sched.c (params.h): New include.
4902 (get_block_head_tail): Adjust all uses.
4903 (ISSUE_POINTS): New macro.
4904 (glat_start, glat_end): New global variables.
4905 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4906 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4907 old_last_basic_block, before_recovery, current_sched_info_var,
4908 rgn_n_insns, luid): New static variables.
4909 (insn_cost1): New function. Move logic from insn_cost to here.
4910 (find_insn_reg_weight1): New function. Move logic from
4911 find_insn_reg_weight to here.
4912 (reemit_notes, move_insn, max_issue): Change signature.
4913 (move_insn1): Removed.
4914 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4915 extend_bb): New static functions to support extension of scheduler's
4917 (generate_recovery_code, process_insn_depend_be_in_spec,
4918 begin_speculative_block, add_to_speculative_block,
4919 init_before_recovery, create_recovery_block, create_check_block_twin,
4920 fix_recovery_deps): New static functions to support
4921 generation of recovery code.
4922 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4923 restore_bb_notes, move_block_after_check, move_succs): New static
4924 functions to support ebb scheduling.
4925 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4926 functions to support handling of register live information.
4927 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4928 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4929 add_jump_dependencies): New static functions.
4930 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4931 consistancy checking.
4932 (debug_spec_status): New function to call from debugger.
4933 (priority): Added code to handle speculation checks.
4934 (rank_for_schedule): Added code to distinguish speculative instructions.
4935 (schedule_insn): Added code to handle speculation checks.
4936 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4937 Fixed to handle ebbs.
4938 (move_insn): Added code to handle ebb scheduling.
4939 (max_issue): Added code to use ISSUE_POINTS of instructions.
4940 (choose_ready): Added code to choose between speculative and
4941 non-speculative instructions.
4942 (schedule_block): Added code to handle ebb scheduling and scheduling of
4943 speculative instructions.
4944 (sched_init): Initialize new variables.
4945 (sched_finish): Free new variables. Print statistics.
4946 (try_ready): Added code to handle speculative instructions.
4947 * lists.c (copy_DEPS_LIST_list): New function.
4948 * sched-deps.c (extend_dependency_caches): New function. Move logic
4949 from create_dependency_caches to here.
4950 (get_dep_weak, ds_merge): Make global.
4951 * genattr.c (main): Code to output prototype for
4952 dfa_clear_single_insn_cache.
4953 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4954 (output_dfa_clean_insn_cache_func): Code to output
4955 dfa_clear_single_insn_cache function.
4956 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4958 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4960 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4961 New static variables.
4962 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4963 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4965 (ebb_sched_info): Initialize new fields.
4966 (get_block_head_tail): Adjust all uses.
4967 (compute_jump_reg_dependencies): Fixed to use glat_start.
4968 (schedule_ebb): Code to remove unreachable last block.
4969 (schedule_ebbs): Added code to update register live information.
4970 * sched-rgn.c (region_sched_info): Initialize new fields.
4971 (get_block_head_tail): Adjust all uses.
4972 (last_was_jump): Removed. Adjust users.
4973 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4974 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4975 Implement new hooks.
4976 (check_dead_notes1): New static function.
4977 (struct region): New fields: dont_calc_deps, has_real_ebb.
4978 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4979 (BB_TO_BLOCK): Fixed to handle EBBs.
4980 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4981 (ebb_head): New static variable.
4982 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4983 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4985 (compute_dom_prob_ps): New assertion.
4986 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4987 global_live_at_start.
4988 (init_ready_list): New assertions.
4989 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4990 (new_ready): Add support for BEGIN_CONTROL speculation.
4991 (schedule_insns): Fixed code that updates register live information
4993 (schedule_region): Fixed to handle EBBs.
4994 (init_regions): Use extend_regions and check_dead_notes1.
4995 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4996 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4997 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4998 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4999 TARGET_SCHED_GEN_CHECK,
5000 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5001 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5002 * doc/invoke.texi (max-sched-insn-conflict-delay,
5003 sched-spec-prob-cutoff): Document.
5005 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5007 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5008 inter_tick, queue_index.
5009 (struct sched_info): Change signature of init_ready_list field.
5010 Adjust all initializations.
5011 (RESOLVED_DEPS): New access macro.
5012 (ready_add): Remove prototype.
5013 (try_ready): Add prototype.
5014 * sched-rgn.c (init_ready_list): Use try_ready.
5015 (schedule_region): Initialize
5016 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5017 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5018 (init_ready_list): Use try_ready.
5019 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5020 * lists.c (remove_list_elem): Remove `static'.
5021 (remove_free_INSN_LIST_elem): New function.
5022 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5023 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5024 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5026 (readyp): New variable.
5027 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5028 change_queue_index, resolve_dep): New static functions.
5029 (try_ready): New function. Adjust callers in sched-rgn.c and
5030 sched-ebb.c to use it instead of ready_add.
5031 (clock_var): Move at the begining of file.
5032 (rank_for_schedule): Fix typo.
5033 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5034 (ready_lastpos): Enforce assertion.
5035 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5037 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5038 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5039 (queue_to_ready): Use free_INSN_LIST_list.
5040 (early_queue_to_ready): Fix typo.
5041 (schedule_block): Init readyp. Move init_ready_list call after the
5042 initialization of clock_var. Fix error in rejecting insn by
5043 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5044 that previously corrected INSN_TICKs. Add code for handling
5046 (set_priorities): Fix typo.
5047 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5048 Clarify comment and code that keeps current_sched_info->next_tail
5051 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5053 * sched-rgn.c (extend_rgns): New static function.
5054 (find_rgns): Use it.
5055 (gather_region_statistics, print_region_statistics): New static
5057 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5058 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5060 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5061 Andrey Belevantsev <abel@ispras.ru>
5063 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5064 * lists.c (unused_deps_list): New variable.
5065 (free_list): Add assertions to verify the proper distinguishing
5066 between INSN_LISTs and DEPS_LISTs.
5067 (find_list_elem, remove_list_elem, remove_list_node): New static
5069 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5070 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5071 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5072 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5074 (free_INSN_LIST_node): Likewise.
5075 * modulo-sched.c (current_sched_info): Initialize flags field.
5076 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5077 * rtl.def (DEPS_LIST): Define.
5078 * rtl.h: Declare new functions from lists.c.
5079 * sched-deps.c (spec_dependency_cache): New static variable.
5080 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5081 (add_dependence): Change return type to void. Move the logic to ...
5082 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5083 (delete_all_dependences): Add comment about forward_dependency_cache.
5084 Handle spec_dependency_cache. Handle DEPS_LISTs.
5085 (fixup_sched_groups): Clarify the change of priority of output
5086 and anti dependencies.
5087 (sched_analyze_2): Adjust add_dependence calls to create data
5088 speculative dependence.
5089 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5090 Adjust all callers. Handle DEPS_LISTS.
5091 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5092 presence of speculation.
5093 (init_dependency_caches, free_dependency_caches):
5094 Handle spec_dependency_cache.
5095 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5096 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5097 New static functions.
5098 (add_or_update_back_dep, add_or_update_back_forw_dep,
5099 add_back_forw_dep, delete_back_forw_dep): New functions.
5100 * sched-int.h (ds_t, dw_t): New typedefs.
5101 (struct sched_info): Add new field flags.
5102 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5103 Prototype new sched-deps.c functions.
5104 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5105 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5106 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5107 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5108 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5109 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5111 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5113 * sched-rgn.c (current_sched_info): Initialize flags field.
5114 (schedule_insns): Initialize current_sched_info before the sched_init
5116 * sched-ebb.c (current_sched_info): Initialize flags field.
5117 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5118 Call add_or_update_back_dep instead of add_dependence.
5119 Create control speculative dependencies.
5120 (schedule_insns): Initialize current_sched_info before the sched_init
5123 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5125 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5127 (sh_fallback_frame_state): Likewise.
5129 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5131 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5132 Do switch on default_use_cxa_atexit.
5133 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5134 * config/darwin-crt3.o: New.
5135 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5136 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5137 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5139 * config/rs6000/t-darwin: Move crt2.o building to here.
5140 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5141 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5144 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5146 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5147 from '! xxx' to '!xxx' for coding-style conformance.
5148 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5149 (EXTRA_CONSTRAINT): Likewise.
5150 * config/vax/vax.md (four unnamed insns): Likewise.
5152 2006-03-15 Paul Brook <paul@codesourcery.com>
5154 * config/arm/arm.c (minipool_pad): New.
5155 (add_minipool_forward_ref): Include pool alignment padding in address
5157 (push_minipool_fix): Set minipool_pad.
5158 (minipool_pad): Ditto.
5160 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5162 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5163 instead of GET_CODE() == MEM and REG_P() instead of
5165 (print_operand_address): Likewise.
5166 (vax_address_cost): Likewise.
5167 (vax_rtx_costs): Likewise.
5168 (vax_notice_update_cc): Likewise.
5169 (vax_output_int_add): Likewise.
5170 (INDEX_REGISTER_P): Likewise.
5171 (BASE_REGISTER_P): Likewise.
5172 (nonindexed_address_p): Likewise.
5173 (vax_mode_dependent_address_p): Likewise.
5174 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5175 (PRINT_OPERAND): Likewise.
5176 * config/vax/vax.md (ashlsi3): Likewise.
5177 (ashlsi3): Likewise.
5178 (some more unnamed insns): Likewise.
5180 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5182 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5183 iterator-style macro.
5184 (mark_control_dependent_edges_necessary): Update the use of
5185 EXECUTE_IF_CONTROL_DEPENDENT.
5187 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5189 * config/sh/predicates.md (cache_address_operand): Special.
5190 (ua_address_operand): Likewise.
5192 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5194 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5196 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5198 2006-03-15 Andreas Schwab <schwab@suse.de>
5200 * gensupport.c (identify_predicable_attribute): Don't free p_false
5201 when it is still in use.
5203 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5205 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5206 the default setting here.
5208 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5210 * tree-pass.h (pass_cfg): Remove.
5211 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5212 * passes.c (pass_cfg): Don't run it.
5214 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5216 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5217 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5219 (stack_regs_mentioned): Update the uses of
5220 stack_regs_mentioned_data. Don't access the array beyond its
5222 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5223 Don't include gt-reg-stack.h.
5225 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5226 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5228 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5231 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5234 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5236 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5238 2006-03-14 Richard Guenther <rguenther@suse.de>
5240 PR tree-optimization/26672
5241 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5244 2006-03-14 Richard Guenther <rguenther@suse.de>
5246 PR tree-optimization/26667
5247 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5248 node for the callees. Always allow inlining if it will shrink
5251 2006-03-14 Richard Guenther <rguenther@suse.de>
5254 * builtins.c (get_pointer_alignment): Prefer alignment
5255 information from decls over that from types.
5257 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5260 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5262 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5264 * config/rs6000/rs6000.opt (mdlmzb): New option.
5265 (msched-prolog, msched-epilog): Use Var not Mask.
5266 * doc/invoke.texi (-mdlmzb): Document.
5267 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5269 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5270 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5272 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5274 PR rtl-optimization/25739
5275 * bt-load.c (augment_live_range): Free tos pointer.
5277 * gensupport.c (identify_predicable_attribute): Free
5279 * gcov.c (create_file_names): Free name pointer.
5281 2006-03-13 Roger Sayle <roger@eyesopen.com>
5284 * stmt.c (emit_case_nodes): Handle the case where the index is a
5285 CONST_INT, where the comparison mode is specified by the index type.
5287 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5289 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5292 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5294 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5295 (*branch_fp_inverted): Likewise.
5297 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5300 * omp-low.c (expand_omp_for_generic): Mark istart0
5301 and iend0 as addressable.
5303 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5305 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5307 2006-03-13 Jeff Law <law@redhat.com>
5309 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5310 virtual operands are interesting.
5311 (vrp_visit_stmt): Corresponding changes.
5313 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5315 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5317 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5318 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5319 * config/bfin/crti.S: Use it instead of __PIC__.
5320 * config/bfin/crtn.S: Likewise.
5322 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5323 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5325 Lose 'G' modifier for call operand.
5326 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5327 recognize 'G' modifier.
5329 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5332 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5333 * stmt.c (expand_case): Likewise.
5335 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5337 PR rtl-optimization/26254
5338 * loop-invariant.c (seq_insns_valid_p): New function.
5339 (move_invariant_reg): Only emit new code if it is valid.
5341 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5343 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5345 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5346 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
5347 (commit_one_edge_insertion): Do not look for loop notes.
5349 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5351 * jump.c (follow_jumps): Do not check for loop notes. Move check for
5352 flag_test_coverage out of loop.
5354 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5356 * final.c (shorten_branches): Remove outdated comment, and turn
5357 the if branch that guards it to continue.
5359 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5361 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
5362 * cfgloop.h (struct loop): Remove unused fields.
5364 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
5366 * doc/invoke.texi (-fdump-rtl-loop): Remove.
5367 (-dL, -fdump-rtl-loop2): Update the dump file names
5369 * doc/invoke.texi: Update dump file names.
5371 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
5373 * predict.c (estimate_probability): Remove.
5374 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
5375 * basic-block.h (estimate_probability): Remove prototype.
5376 * passes.c (finish_optimization_passes): Dump branch prediction or
5377 profiling heuristics to the .profile tree dump.
5378 (init_optimization_passes): Unqueue pass_branch_prob.
5380 * doc/invoke.texi (-fdump-rtl-bp): Remove.
5382 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5384 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
5385 * rtl.h (LABEL_NEXTREF): Remove field accessor.
5387 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
5389 * function.h (frame_offset_overflow): Declare.
5390 * function.c (frame_offset_overflow): New function.
5391 (assign_stack_local_1): Call it to detect that the offset overflows.
5392 * cfgexpand.c (alloc_stack_frame_space): Likewise.
5394 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5396 * config/sh/sh.c: Include alloc-pool.h.
5397 (label_ref_list_pool): New alloc pool.
5398 (label_ref_list_t): New type for lists of labels.
5399 (struct pool_node): Make wend a label_ref_list_t.
5400 (add_constant): Use the new type, eradicate LABEL_NEXTREF
5402 (dump_table): Likewise.
5403 (sh_reorg): Set up the alloc pool before using add_constant and
5404 dump_table, and destroy it when finishing.
5406 2006-03-11 Richard Sandiford <richard@codesourcery.com>
5408 * config/mips/mips.c: Remove redundant comment.
5410 2006-03-10 Jason Merrill <jason@redhat.com>
5413 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
5414 the target was declared 'register'.
5416 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
5418 * genpreds.c (write_insn_constraint_len): Change definition of
5419 insn_constraint_len to return size_t to match the declaration.
5421 2006-03-10 DJ Delorie <dj@redhat.com>
5423 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
5425 (m32c_expand_insv): Fix test for an AND mask.
5427 2006-03-10 Richard Guenther <rguenther@suse.de>
5430 * builtins.c (get_pointer_alignment): Handle component
5431 references for field alignment.
5433 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5435 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
5436 when building with libgloss.
5437 (sh*elf): Implement --without-fp option.
5438 (sh64-superh-linux*): Don't multilib.
5440 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5442 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
5444 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
5446 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
5447 Set it when one of the replacement functions returned true.
5448 Return TODO_cleanup_cfg if cfgchanged is true.
5449 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
5451 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
5453 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
5454 instead of gen_lowpart.
5456 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5458 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
5460 (mips_output_order_conditional_branch): Declare.
5461 * config/mips/mips.h (MIPS_BRANCH): New macro.
5462 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
5463 for the comparison. Use gen_condjump.
5464 (mips_output_conditional_branch): Rework interface to take the
5465 asm templates for a direct branch and the inverse of a direct branch.
5466 (mips_output_order_conditional_branch): New function.
5467 (mips_builtin_branch_and_move): New function.
5468 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
5469 branch condition. Use gen_single_cc as the condition for
5470 __builtin_mips_upper_* or __builtin_mips_lower_*.
5471 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
5472 Use VOIDmode for the branch condition.
5473 * config/mips/predicates.md (order_operator): New predicate.
5474 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
5475 (branch_fp): Rename to...
5476 (*branch_fp): ...this. Remove mode from comparison operator.
5477 Use new mips_output_conditional_branch interface.
5478 (branch_fp_inverted): Rename to...
5479 (*branch_fp_inverted): ...this and update as for *branch_fp.
5480 (*branch_zero<mode>): Rename to...
5481 (*branch_order<mode>): ...this. Remove mode from comparison operator.
5482 Use mips_output_order_conditional_branch. Only accept ordered
5484 (*branch_zero<mode>_inverted): Rename to...
5485 (*branch_order<mode>_inverted): ...this and update as for
5486 *branch_order<mode>.
5487 (*branch_equality<mode>): Accept zero as the second operand to
5488 the equality operator. Use the new mips_output_conditional_branch
5490 (*branch_equality<mode>_inverted): Likewise.
5491 (condjump): New expander.
5492 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
5494 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
5495 (bc1any2t, bc1any2f): Likewise.
5496 (single_cc): New expander.
5497 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
5499 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5501 * doc/md.texi: Update documentation of MIPS constraints.
5502 * config/mips/constraints.md: New file.
5503 * config/mips/mips.md: Include it.
5504 * config/mips/mips.c (mips_char_to_class): Delete.
5505 (override_options): Don't initialize mips_char_to_class.
5506 * config/mips/mips.h (mips_char_to_class): Delete.
5507 (REG_CLASS_FROM_LETTER): Delete.
5508 (CONST_OK_FOR_LETTER_P): Delete.
5509 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5510 (EXTRA_CONSTRAINT_Y): Delete.
5511 (EXTRA_CONSTRAINT_STR): Delete.
5512 (CONSTRAINT_LEN): Delete.
5513 (EXTRA_MEMORY_CONSTRAINT): Delete.
5515 2006-03-09 Diego Novillo <dnovillo@redhat.com>
5517 * tree-cfg.c (move_block_to_fn): Remove the statements from the
5518 original fn's eh regions.
5520 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
5522 * fold-const.c (build_range_check): Make sure to use a valid type to
5523 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
5526 (range_predecessor): New static function.
5527 (range_successor): Likewise.
5528 (merge_ranges): Use them to compute predecessors and successors of
5531 2006-03-09 Roger Sayle <roger@eyesopen.com>
5534 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
5535 X op C3, consider whether C3 overflows towards +Inf or -Inf.
5537 2006-03-08 DJ Delorie <dj@redhat.com>
5539 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
5540 (addpsi3): Expand to include memory operands. Remove
5541 reload-specific splits.
5542 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
5543 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
5544 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
5545 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
5546 (shift1_qi, shift1_hi, insv): New.
5547 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
5548 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
5549 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
5551 * config/m32c/m32c-protos.h: Update as needed.
5552 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
5553 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
5554 Fail for unrecognized R* constraints.
5555 (m32c_cannot_change_mode_class): Be more picky about pseudos.
5556 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
5557 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
5559 (m32c_init_libfuncs): New.
5560 (m32c_legitimate_address_p): Add debug wrapper.
5561 (m32c_rtx_costs): New.
5562 (m32c_address_cost): New.
5563 (conversions): Add 'B' prefix.
5564 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
5565 operands, or word regnames for QI operands. 'B' prints bit
5567 (m32c_expand_setmemhi): New.
5568 (m32c_expand_movmemhi): New.
5569 (m32c_expand_movstr): New.
5570 (m32c_expand_cmpstr): New.
5571 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5572 (m32c_expand_neg_mulpsi3): Handle non-ints.
5573 (m32c_cmp_flg_0): New.
5574 (m32c_expand_movcc): New.
5575 (m32c_expand_insv): New.
5576 (m32c_scc_pattern): New.
5577 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5578 a0/a1 out of SIregs.
5579 (STORE_FLAG_VALUE): New.
5580 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5583 * config/m32c/mov.md: Make constraints more liberal.
5584 (zero_extendqihi2): Optimize r0/r1 case.
5585 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5586 * config/m32c/predicates.md (m32c_any_operand): New.
5587 (m32c_nonimmediate_operand): New.
5588 (m32c_hl_operand): New.
5589 (m32c_r3_operand): New.
5592 (memsym_operand): New.
5593 (memimmed_operand): New.
5594 (a_qi_operand): New.
5595 (m32c_eqne_operator): New.
5596 (m32c_1bit8_operand): New.
5597 (m32c_1bit16_operand): New.
5598 (m32c_1mask8_operand): New.
5599 (m32c_1mask16_operand): New.
5600 * config/m32c/blkmov.md: New file.
5601 * config/m32c/t-m32c (MD_FILES): Add blkmov.
5603 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
5605 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
5606 unsigned to fix signed/unsigned comparison issue in
5607 DWARF2_FRAME_REG_OUT.
5608 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
5609 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
5611 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
5612 of ptr into the ENABLE_CHECKING section.
5614 2006-03-08 Jeff Law <law@redhat.com>
5616 * tree-vrp.c (infer_value_range): Only count pointer uses
5617 and dereferences if -fdelete-null-pointer-checks is enabled.
5619 * tree-vrp.c (find_assert_locations): Infer value ranges for
5620 single use pointers, but do not create ASSERT_EXPRs for them.
5621 When a non-null range is inferred for a pointer, backwards
5622 propagate that range to other equivalent pointers through the
5625 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
5628 * Makefile.in (dvi, html, install-info): Invoke the corresponding
5629 language hook targets.
5630 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
5631 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
5632 if language hook targets were missing.
5634 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
5636 * tree-ssa-opfinalize.h: Removed.
5637 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
5639 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
5640 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
5641 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
5642 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
5643 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5644 finalize_ssa_v_must_def_ops): New.
5646 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
5648 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
5651 2006-03-07 Geoffrey Keating <geoffk@apple.com>
5653 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
5655 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
5656 addresses with offsets; reorganize.
5658 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
5659 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
5660 (expand_builtin_init_dwarf_reg_sizes): Likewise.
5662 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
5665 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
5667 2006-03-08 Ben Elliston <bje@au.ibm.com>
5669 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5671 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
5674 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
5677 2006-03-07 Richard Guenther <rguenther@suse.de>
5679 PR tree-optimization/26587
5680 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5682 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5684 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
5686 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5688 * hooks.c (hook_bool_mode_rtx_true): New function.
5689 * hooks.h (hook_bool_mode_rtx_true): Declare.
5690 * toplev.c (compile_file): Call output_shared_constant_pool.
5691 * varasm.c (shared_constant_pool): New variable.
5692 (assemble_start_function, assemble_end_function): Remove arguments
5693 from call to output_constant_pool.
5694 (create_constant_pool): New function, split out from...
5695 (init_varasm_status): ...here.
5696 (force_const_mem): Choose between the shared and per-function constant
5697 pools. Set current_function_uses_const_pool when reusing old entries
5698 as well as when creating new ones.
5699 (mark_constant): Ignore data argument.
5700 (mark_constants): Remove pool argument.
5701 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5702 to decide whether the function uses a constant pool.
5703 (output_constant_pool_contents): New function, split out from...
5704 (output_constant_pool): ...here.
5705 (output_shared_constant_pool): New function.
5706 (init_varasm_once): Initialize shared_constant_pool.
5707 * output.h (output_constant_pool): Delete.
5708 (output_shared_constant_pool): Declare.
5709 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5710 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5712 2006-03-06 Nick Clifton <nickc@redhat.com>
5714 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5715 flag_strength_reduce.
5717 2006-03-06 Ben Elliston <bje@au.ibm.com>
5719 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5720 x86_64-*-linux* configurations.
5722 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5723 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5725 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5727 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5729 * basic-block.h: Remove the extern for
5730 rediscover_loops_after_threading.
5732 * cfgloop.c (cancel_loop): Make it static.
5733 * cfgloop.h: Remove the prototype for cancel_loop.
5735 * flow.c (recompute_reg_usage): Make it static.
5736 * rtl.h: Remove the prototype for recompute_reg_usage.
5738 * function.c (use_return_register): Make it static.
5739 * function.h: Remove the prototype.
5741 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5743 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5745 * recog.h: Remove the prototype for
5746 validate_change_maybe_volatile.
5748 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5750 * rtlanal.c (replace_reg): Remove.
5751 * rtl.h: Remove the prototype for replace_reg.
5753 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5755 * regclass.c (reg_scan_update): Remove.
5756 (reg_scan_mark_refs): Remove the last argument.
5757 * rtl.h: Remove the prototype for reg_scan_update.
5759 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5761 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5762 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5763 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5764 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5765 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5766 loop-invariant.c, omp-low.c, opts.c, passes.c,
5767 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5768 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5769 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5770 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5771 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5772 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5774 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5776 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5777 * dwarf2out.h: Remove the prototype for
5778 dwarf2out_add_library_unit_info.
5780 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5782 * tree.c (add_var_to_bind_expr): Remove.
5783 * tree.h: Remove the prototype for add_var_to_bind_expr.
5785 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5787 * regclass.c (n_non_fixed_regs): Remove.
5788 (init_reg_sets_1, globalize_reg): Remove all uses of
5790 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5792 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5794 * rtlanal.c (insns_safe_to_move_p): Remove.
5795 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5797 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5799 * expmed.c (expand_mult_add): Remove.
5800 * expr.h: Remove the prototype for expand_mult_add.
5802 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5804 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5805 and REG_SAVED_VAL_EXP constants.
5806 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5807 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5808 Handle regs stored by value.
5809 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5810 (execute_cfa_program): Handle DW_CFA_val_offset,
5811 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5812 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5813 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5814 (uw_install_context_1): Handle target regs stored by value.
5816 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5818 * tree-sra.c (tree_sra): Return todoflags;
5819 (generate_one_element): Set TODO_update_smt_usage if needed.
5820 (pass_sra): Remove TODO_update_smt_usage.
5821 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5823 (tree_ssa_forward_propagate_single_use_vars): Return
5824 TODO_update_smt_usage if we need to update SMT usage.
5825 (pass_forwprop): Remove TODO_update_smt_usage.
5827 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5829 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5830 (correct_use_link): Remove reference to get_stmt_operands.
5831 (update_stmt_operands): Likewise.
5832 (get_modify_expr_operands): New function factored out of
5833 parse_ssa_operands and get_expr_operands.
5834 Try to create V_MUST_DEFs for LHS by default.
5835 (get_expr_operands) <case MODIFY_EXPR>: Call
5836 get_modify_expr_operands.
5837 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5838 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5839 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5840 get_modify_expr_operands.
5842 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5844 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5845 * tree-flow.h: Remove the prototype for
5846 referenced_var_lookup_if_exists.
5848 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5850 PR rtl-optimization/26345
5852 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5854 2006-03-03 Roger Sayle <roger@eyesopen.com>
5856 PR tree-optimization/26524
5857 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5858 fold_convert to create a constant of the appropriate type.
5860 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5862 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5863 SYMBOL_REF_IN_BLOCK_P.
5864 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5865 of SYMBOL_FLAG_IN_BLOCK.
5866 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5867 instead of SYMBOL_REF_IN_BLOCK_P.
5868 * explow.c (use_anchored_address): Likewise.
5869 * rtl.c (rtx_size): Likewise.
5870 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5871 instead of SYMBOL_FLAG_IN_BLOCK.
5872 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5873 SYMBOL_REF_IN_BLOCK_P.
5874 (assemble_variable): Likewise.
5875 (output_constant_def_contents): Likewise.
5876 (output_constant_pool): Likewise.
5877 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5878 instead of SYMBOL_FLAG_IN_BLOCK.
5879 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5880 SYMBOL_REF_IN_BLOCK_P.
5881 (SYMBOL_REF_BLOCK): Likewise.
5882 (SYMBOL_REF_OFFSET): Likewise.
5883 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5884 SYMBOL_REF_IN_BLOCK_P.
5885 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5886 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5887 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5888 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5890 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5892 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5894 2006-03-02 Roger Sayle <roger@eyesopen.com>
5896 * simplify-rtx.c (simplify_unary_operation): When simplifying
5897 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5898 that we perform the right shift in the appropriate mode, and
5899 then extend or truncate the result to requested mode.
5901 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5903 * gengtype.c (main): Handle double_int type.
5904 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5905 * double-int.c: New file.
5906 * double-int.h: New file.
5907 * system.h: Include doubleint.h.
5908 * Makefile.in (SYSTEM_H): Include double-int.h.
5909 (double-int.o): Add.
5911 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5914 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5917 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5919 * tree-vrp.c (remove_range_assertions): Do not update statements
5922 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5924 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5926 * gcse.c (rest_of_handle_gcse): Ditto.
5927 * except.c (gate_handle_eh): Ditto.
5928 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5929 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5931 2006-03-02 Eric Christopher <echristo@apple.com>
5933 * config/i386/i386.c (machopic_output_stub): Add indirection to
5936 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5940 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5942 Sun Niagara specific optimizations.
5943 * config.gcc: Recognize niagara as target.
5944 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5945 (TARGET_CPU_niagara): Define.
5946 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5947 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5948 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5949 (ASM_CPU_SPEC): Likewise.
5950 (PROCESSOR_NIAGARA): New enum entry.
5951 (REGISTER_MOVE_COST): Handle Niagara.
5952 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5953 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5954 (sparc_override_options): Recognize "niagara", set appropriate
5955 default MASK_* values for it, and align functions to 32-bytes
5956 by default just like ULTRASPARC/ULTRASPARC3.
5957 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5958 (sparc64_initialize_trampoline): Likewise.
5959 (sparc_use_sched_lookahead): Use zero for niagara.
5960 (sparc_issue_rate): Use one for niagara.
5961 * config/sparc/niagara.md: New file.
5962 * config/sparc/sparc.md: Include it.
5963 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5964 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5965 when default cpu is niagara.
5966 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5967 (ASM_CPU_SPEC): Likewise.
5968 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5969 when default cpu is niagara.
5970 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5971 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5972 just like v9/ultrasparc/ultrasparc3.
5973 * doc/invoke.texi: Add documentation for "niagara" and improve
5974 existing documentation for ultrasparc variants.
5976 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5978 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5980 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5982 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5983 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5984 and say that only one is needed.
5985 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5986 * target.h (have_switchable_bss_sections): New hook.
5987 * explow.c (use_anchored_address): Check that the symbol is in a block.
5988 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5989 (bss_noswitch_section): New variables.
5990 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5991 (get_noswitch_section): New function.
5992 (get_block_for_section): Allow SECT to be null.
5993 (unlikely_text_section_p): Use SECTION_STYLE.
5994 (bss_initializer_p): New function.
5995 (get_variable_section): Move earlier in file. Take a new argument,
5996 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5997 Return one of the new *_sections in such cases.
5998 (get_block_for_decl): New function, extracting some logic from
5999 use_blocks_for_decl_p.
6000 (change_symbol_section): Remove in favor of...
6001 (change_symbol_block): ...this new function.
6002 (use_blocks_for_decl_p): Remove checks now performed by
6004 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6005 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6006 (emit_local, emit_bss, emit_common): ...these new functions.
6007 Return true if the alignment was honored.
6008 (emit_tls_common): New function.
6009 (asm_emit_uninitialised): Delete.
6010 (assemble_variable_noswitch): New function, split out from...
6011 (assemble_variable): ...here. Don't make decisions about common
6012 variables here. Globalize all public decls that go into non-common
6013 sections. Check whether SYMBOL_REF_BLOCK is null.
6014 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6015 (output_constant_pool): Likewise.
6016 (init_varasm_once): Initialize the new section variables.
6017 (have_global_bss_p): New function.
6018 (categorize_decl_for_section): Use bss_initializer_p.
6019 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6020 (place_block_symbol): Assert that the symbol must be in a block.
6021 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6022 (TARGET_INITIALIZER): Include it.
6023 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6024 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6025 (SECTION_MACH_DEP): Bump by two.
6026 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6027 (unnamed_section): Mention SECTION_UNNAMED in comment.
6028 (named_section): Likewise SECTION_NAMED.
6029 (noswitch_section_callback): New type.
6030 (noswitch_section): New structure.
6031 (section): Add a noswitch_section alternative.
6032 (SECTION_STYLE): New macro.
6033 (tls_comm_section, comm_section, lcomm_section): Declare.
6034 (bss_noswitch_section, have_global_bss_p): Declare.
6035 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6036 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6038 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6039 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6042 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6044 * tree-vrp.c (execute_vrp): Return value.
6045 * regrename.c (rest_of_handle_regrename): Ditto.
6046 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6047 * tree-complex.c (tree_lower_complex): Ditto.
6048 (tree_lower_complex_O0): Ditto.
6049 * tracer.c (rest_of_handle_tracer): Ditto.
6050 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6051 * postreload.c (rest_of_handle_postreload): Ditto.
6052 * tree-tailcall.c (execute_tail_recursion): Ditto.
6053 (execute_tail_calls): Ditto.
6054 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6055 * tree.h (init_function_for_compilation): Ditto.
6056 * ipa-cp.c (ipcp_driver): Ditto.
6057 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6058 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6059 * final.c (compute_alignments): Ditto.
6060 (rest_of_handle_final): Ditto.
6061 (rest_of_handle_shorten_branches): Ditto.
6062 (rest_of_clean_state): Ditto.
6063 * omp-low.c (execute_expand_omp): Ditto.
6064 (execute_lower_omp): Ditto.
6065 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6066 * ipa-reference.c (static_execute): Ditto.
6067 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6068 * reorg.c (rest_of_handle_delay_slots): Ditto.
6069 (rest_of_handle_machine_reorg): Ditto.
6070 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6071 * flow.c (recompute_reg_usage): Ditto.
6072 (rest_of_handle_remove_death_notes): Ditto.
6073 (rest_of_handle_life): Ditto.
6074 (rest_of_handle_flow2): Ditto.
6075 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6076 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6077 (do_ssa_store_ccp): Ditto.
6078 (execute_fold_all_builtins): Ditto.
6079 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6080 * modulo-sched.c (rest_of_handle_sms): Ditto.
6081 * ipa-pure-const.c (static_execute): Ditto.
6082 * cse.c (rest_of_handle_cse): Ditto.
6083 (rest_of_handle_cse2): Ditto.
6084 * web.c (rest_of_handle_web): Ditto.
6085 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6086 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6087 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6088 * tree-nrv.c (tree_nrv): Ditto.
6089 (execute_return_slot_opt): Ditto.
6090 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6091 (create_structure_vars): Ditto.
6092 * loop-init.c (rtl_loop_init): Ditto.
6093 (rtl_loop_done): Ditto.
6094 (rtl_move_loop_invariants): Ditto.
6095 (rtl_unswitch): Ditto.
6096 (rtl_unroll_and_peel_loops): Ditto.
6097 (rtl_doloop): Ditto.
6098 * gimple-low.c (lower_function_body): Ditto.
6099 (mark_used_blocks): Ditto.
6100 * tree-ssa-sink.c (execute_sink_code): Ditto.
6101 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6102 (cgraph_early_inlining): Ditto.
6103 * global.c (rest_of_handle_global_alloc): Ditto.
6104 * jump.c (cleanup_barriers): Ditto.
6105 (purge_line_number_notes): Ditto.
6106 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6107 (rest_of_handle_if_after_reload): Ditto.
6108 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6109 (tree_ssa_loop_im): Ditto.
6110 (tree_ssa_loop_unswitch): Ditto.
6111 (tree_vectorize): Ditto.
6112 (tree_linear_transform): Ditto.
6113 (tree_ssa_loop_ivcanon): Ditto.
6114 (tree_ssa_empty_loop): Ditto.
6115 (tree_ssa_loop_bounds): Ditto.
6116 (tree_complete_unroll): Ditto.
6117 (tree_ssa_loop_prefetch): Ditto.
6118 (tree_ssa_loop_ivopts): Ditto.
6119 (tree_ssa_loop_done): Ditto.
6120 * predict.c (tree_estimate_probability): Ditto.
6121 * recog.c (split_all_insns_noflow): Ditto.
6122 (rest_of_handle_peephole2): Ditto.
6123 (rest_of_handle_split_all_insns): Ditto.
6124 * tree-eh.c (lower_eh_constructs): Ditto.
6125 * regmove.c (rest_of_handle_regmove): Ditto.
6126 (rest_of_handle_stack_adjustments): Ditto.
6127 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6128 * function.c (instantiate_virtual_regs): Ditto.
6129 (init_function_for_compilation): Ditto.
6130 (rest_of_handle_check_leaf_regs): Ditto.
6131 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6132 (rest_of_handle_gcse): Ditto.
6133 * ipa-type-escape.c (type_escape_execute): Ditto.
6134 * alias.c (rest_of_handle_cfg): Ditto.
6135 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6136 * profile.c (rest_of_handle_branch_prob): Ditto.
6137 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6138 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6139 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6140 * tree-dfa.c (find_referenced_vars): Ditto.
6141 * except.c (set_nothrow_function_flags): Ditto.
6142 (convert_to_eh_region_ranges): Ditto.
6143 (rest_of_handle_eh): Ditto.
6144 * emit-rtl.c (unshare_all_rtl): Ditto.
6145 (remove_unnecessary_notes): Ditto.
6146 * except.h (set_nothrow_function_flags): Ditto.
6147 (convert_to_eh_region_ranges): Ditto.
6148 * cfgexpand.c (tree_expand_cfg): Ditto.
6149 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6150 * tree-ssa-pre.c (do_pre): Ditto.
6151 (execute_fre): Ditto.
6152 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6153 (rest_of_handle_jump2): Ditto.
6154 * tree-sra.c (tree_sra): Ditto.
6155 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6156 (execute_mudflap_function_decls): Ditto.
6157 * tree-ssa-copy.c (do_copy_prop): Ditto.
6158 (do_store_copy_prop): Ditto.
6159 * ipa-prop.h (ipcp_driver): Ditto.
6160 * cfglayout.c (insn_locators_initialize): Ditto.
6161 * tree-ssa-forwprop.c
6162 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6163 * cfglayout.h (insn_locators_initialize): Ditto.
6164 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6165 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6166 (execute_late_warn_uninitialized): Ditto.
6167 * rtl.h (cleanup_barriers): Ditto.
6168 (split_all_insns_noflow): Ditto.
6169 (purge_line_number_notes): Ditto.
6170 (unshare_all_rtl): Ditto.
6171 (remove_unnecessary_notes): Ditto.
6172 (recompute_reg_usage): Ditto.
6173 (variable_tracking_main): Ditto.
6174 * integrate.c (emit_initial_value_sets): Ditto.
6175 * integrate.h (emit_initial_value_sets): Ditto.
6176 * tree-optimize.c (execute_free_datastructures): Ditto
6177 (execute_free_cfg_annotations): Ditto.
6178 (execute_fixup_cfg): Ditto.
6179 (execute_cleanup_cfg_pre_ipa): Ditto.
6180 (execute_cleanup_cfg_post_optimizing): Ditto.
6181 (execute_init_datastructures): Ditto.
6182 * tree-object-size.c (compute_object_sizes): Ditto.
6183 * combine.c (rest_of_handle_combine): Ditto.
6184 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6185 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6186 (rest_of_handle_reorder_blocks): Ditto.
6187 (rest_of_handle_partition_blocks): Ditto.
6188 * var-tracking.c (variable_tracking_main): Ditto.
6189 * tree-profile.c (tree_profiling): Ditto.
6190 * tree-vect-generic.c (expand_vector_operations): Ditto.
6191 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6192 * sched-rgn.c (rest_of_handle_sched): Ditto.
6193 (rest_of_handle_sched2): Ditto.
6194 * basic-block.h (free_bb_insn): Ditto.
6195 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6196 * tree-cfg.c (execute_build_cfg): Ditto.
6197 (remove_useless_stmts): Ditto.
6198 (split_critical_edges): Ditto.
6199 (execute_warn_function_return): Ditto.
6200 (execute_warn_function_noreturn): Ditto.
6201 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6202 * cfgrtl.c (free_bb_for_insn): Ditto.
6203 * passes.c (execute_one_pass): Run additional
6204 todos returned by execute function.
6205 * tree-pass.h (struct tree_opt_pass): Make execute
6208 2006-03-02 Richard Guenther <rguenther@suse.de>
6210 * tree-ssa-alias.c (find_used_portions): Consider taking
6211 the address as making the variable not write-only.
6213 2006-03-02 Nick Clifton <nickc@redhat.com>
6215 * config.gcc (default_use_cxa_atexit): Extend the description of
6216 this configure variable. Set its default value to "yes" for
6217 Linux, NetBSD and ELF targets on the assumption that they will
6218 use C libraries with the __cxa_atexit function.
6220 2006-03-02 Ben Elliston <bje@au.ibm.com>
6222 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6223 parameter as unused to suppress a build warning.
6225 2006-03-02 Ben Elliston <bje@au.ibm.com>
6227 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6230 2006-03-01 Roger Sayle <roger@eyesopen.com>
6233 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6234 declared name, the weak reference name, and the typeof name.
6235 (__gthrw): Avoid expanding the declared name suffix.
6236 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6238 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6240 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6242 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6243 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6244 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6245 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6246 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6247 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6248 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6249 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6250 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6251 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6252 (DW_END_default, DW_END_big, DW_END_little): New.
6253 (DW_END_lo_user, DW_END_hi_user): Define.
6254 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6255 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6256 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6259 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6261 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6263 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6265 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6267 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6269 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6270 to 'symbol_mem_tag'.
6272 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6275 2006-03-01 Roger Sayle <roger@eyesopen.com>
6277 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6279 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6282 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6283 MACHO_DYNAMIC_NO_PIC_P.
6284 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6286 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6289 * config/darwin-protos.h (darwin_asm_output_anchor):
6291 * config/darwin-sections.def (cstring_section):
6292 Add SECTION_MERGE to the flags.
6293 (literal4_section): Likewise.
6294 (literal8_section): Likewise.
6295 (objc_selector_refs_section): Likewise.
6296 (objc_cls_refs_section): Likewise.
6297 * config/darwin.c (darwin_asm_output_anchor): New
6299 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6301 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6303 Fix PR tree-optimization/26443
6304 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6305 to todo and PROP_tmt_usage to properties_destroyed.
6306 * tree-ssa-ccp.c (pass_ccp): Ditto.
6307 (pass_store_ccp): Ditto.
6308 * tree-ssa-dom.c (pass_dominator): Ditto.
6310 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6312 * tree-ssa-operands.c: Cleanup whitespace.
6313 (get_asm_expr_operands): Move before first invocation.
6314 (get_indirect_ref_operands): Likewise.
6315 (get_tmr_operands): Likewise.
6316 (get_call_expr_operands): Likewise.
6317 (append_def): Likewise.
6318 (append_use): Likewise.
6319 (append_v_may_def): Likewise.
6320 (append_v_must_def): Likewise.
6321 (add_call_clobber_ops): Likewise.
6322 (add_call_read_ops): Likewise.
6323 (add_stmt_operand): Likewise.
6324 (add_virtual_operand): Likewise.
6325 (build_ssa_operands): Likewise.
6327 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6332 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6333 with a call expr to ...
6334 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6336 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6338 * tree-vrp.c (extract_range_from_assert): Remove special
6339 handling for types with super-types.
6341 2006-03-01 Ben Elliston <bje@au.ibm.com>
6343 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6344 and powerpc64-*-linux* configurations.
6345 * config/t-dfprules: New file.
6347 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
6348 Compile dfp-bit.c from the source directory using -DWIDTH and
6349 $DFP_CFLAGS to control the compilation of that file, rather than
6350 generating width-specific versions in the build directory.
6351 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
6352 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
6354 2006-02-28 Zack Weinberg <zackw@panix.com>
6356 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
6359 2006-02-28 Eric Christopher <echristo@apple.com>
6361 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
6362 Set up IN_LIBGCC definition of TARGET_64BIT.
6363 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
6365 2006-02-28 Roger Sayle <roger@eyesopen.com>
6368 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
6369 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
6370 cases via the construction of "expr != 0".
6372 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
6374 * alias.c (alias_invariant, alias_invariant_size): Remove.
6375 (record_base_value): Remove.
6376 (memrefs_conflict_p): Don't look at alias_invariant.
6377 (end_alias_analysis): Don't free it.
6378 * alias.h (record_base_value): Remove prototype.
6380 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
6381 Adam Nemet <anemet@caviumnetworks.com>
6383 * rtl.h (truncated_to_mode): Declare it.
6384 (struct rtl_hooks): Add reg_truncated_to_mode hook.
6385 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
6386 (RTL_HOOKS_INITIALIZER): Include it.
6387 * rtlhooks.c (reg_truncated_to_mode_general): New function.
6388 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
6389 reg_truncated_to_mode.
6390 * rtlanal.c (truncated_to_mode): Define it.
6391 * simplify-rtx.c (simplify_unary_operation_1): Use it.
6393 2006-02-28 Jeff Law <law@redhat.com>
6395 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
6396 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
6397 the range allowed by TYPE_PRECISION.
6399 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
6401 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
6403 PR tree-optimization/26419
6404 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
6407 2006-02-27 Zack Weinberg <zackw@panix.com>
6409 * doc/md.texi: Fix typo in previous change.
6411 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6415 2006-02-27 Zack Weinberg <zackw@panix.com>
6417 * rtl.def (define_constraint, define_register_constraint)
6418 (define_memory_constraint, define_address_constraint): New MD forms.
6419 * gensupport.c (process_rtx): Put define_constraint etc on the
6421 * genpreds.c (process_define_predicate): Adjust comment. Validate
6422 the name, and call validate_exp to validate the expression.
6423 (mark_mode_tests, write_extract_subexp): Can assume correct input.
6424 (write_predicate_expr): Likewise. NAME argument no longer necessary;
6425 all callers changed.
6426 (validate_exp, needs_variable, struct constraint_data)
6427 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
6428 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
6429 (const_dbl_constraints, constraint_max_namelen)
6430 (have_register_constraints, have_memory_constraints)
6431 (have_address_constraints, have_address_constraints)
6432 (have_extra_constraints, have_const_int_constraints)
6433 (have_const_dbl_constraints, mangle, add_constraint)
6434 (process_define_constraint, process_define_register_constraint)
6435 (write_enum_constraint_num, write_lookup_constraint)
6436 (write_insn_constraint_len, write_regclass_for_constraint)
6437 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
6438 (write_insn_extra_memory_constraint)
6439 (write_insn_extra_address_constraint)
6440 (write_satisfies_constraint_fns): New.
6441 (write_tm_preds_h): If we have new-style constraint definitions,
6442 prototype the functions generated from them, and define the
6443 old constraint interface (still used by generic code) in terms of
6445 (write_insn_preds_c): If we have new-style constraint definitions,
6446 generate all relevant functions from those definitions.
6447 (main): Handle define_constraint etc.
6448 * genoutput.c (struct constraint_data, indep_constraints)
6449 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
6450 (mdep_constraint_len): New data structures and functions, defined
6451 #ifdef USE_MD_CONSTRAINTS.
6452 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
6453 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
6454 use new logic to validate operand constraints against constraint
6456 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
6458 * defaults.h: If none of the old-style constraint macros are
6459 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
6460 old-style macros; and poison REG_CLASS_FROM_LETTER,
6461 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
6463 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
6464 * doc/md.texi: Document new constraint-definition mechanism and the
6465 C interface it provides. Remove references to old mechanism
6466 elsewhere in the document.
6467 (Machine Constraints): Use pathnames relative to gcc directory,
6468 i.e. config/ARCH/FILE. Change i386 section to refer to
6469 config/i386/predicates.md; update that section to match docstrings.
6470 * doc/tm.texi: Move all documentation of the old constraint-
6471 definition macros to their own section, clearly mark as obsolete.
6473 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
6474 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
6476 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
6477 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6478 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
6480 (splits and peepholes): Use satisfies_constraint_*.
6481 * config/i386/i386.c (memory_address_length)
6482 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
6484 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6486 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
6487 scalar operation to be put back into the loop.
6489 2006-02-27 Jakub Jelinek <jakub@redhat.com>
6492 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
6493 (extract_cie_info): Handle S flag in augmentation string.
6494 (execute_cfa_program): If context->signal_frame, execute also
6495 fs->pc == context->ra instructions.
6496 (uw_frame_state_for): If context->signal_frame, don't subtract one
6497 from context->ra to find FDE.
6498 (uw_update_context_1): Set context->signal_frame to
6500 (_Unwind_GetIPInfo): New function.
6501 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
6502 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
6504 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
6505 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
6506 * unwind-compat.c (_Unwind_GetIPInfo): New function.
6507 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
6508 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
6509 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
6510 * config/i386/linux-unwind.h (x86_fallback_frame_state,
6511 x86_64_fallback_frame_state): Set fs->signal_frame.
6512 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
6513 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
6514 (frob_update_context): Likewise. Workaround missing S flag in
6515 Linux 2.6.12 - 2.6.16 kernel vDSOs.
6516 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
6517 Remove the psw_addr + 1 hack.
6519 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6521 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
6522 with aggregates here.
6523 (find_func_aliases): Remove code for &<aggregate> from here.
6525 2006-02-26 Roger Sayle <roger@eyesopen.com>
6527 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
6528 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
6529 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
6532 2006-02-26 Roger Sayle <roger@eyesopen.com>
6535 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
6537 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
6539 * opts.c (decode_options): Do not handle flag_strength_reduce.
6540 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
6541 and OPT_fstrength_reduce.
6542 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
6543 flag_prefetch_loop_arrays for being nonzero.
6544 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
6546 (fprefetch-loop-arrays-rtl): Removed.
6547 (flag_prefetch_loop_arrays): Do not specify the value.
6549 * doc/passes.texi: Update documentation of loop optimizer
6551 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
6552 -frerun-loop-opt): Remove.
6554 2006-02-26 Richard Guenther <rguenther@suse.de>
6556 PR tree-optimization/26421
6557 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
6558 in function calls that are ADDR_EXPRs as using the whole structure.
6560 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
6562 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
6563 * tree-pass.h (pass_loop_optimize): Remove.
6564 * passes.c (pass_loop_optimize): Never run it.
6565 * toplev.c (backend_init): Don't call init_loop.
6566 * opts.c (flag_loop_optimize_set): Remove.
6567 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
6568 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
6569 the old RTL loop optimizer when profiling enabled.
6570 * predict.c (tree_estimate_probability): Always strip builtin_expect.
6571 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6572 pre-headers for the sake of the old RTL loop optimizer.
6573 * Makefile.in: Remove all references to loop.o.
6575 * doc/invoke.texi: Remove all references to -floop-optimize
6576 and -frerun-loop-opt.
6578 2006-02-26 Zack Weinberg <zackw@panix.com>
6580 * doc/md.texi (Machine Constraints): Refer to all files with paths
6581 relative to gcc directory (i.e. config/CPU/file). Add missing
6582 @table @code ... @end table to M32C subsection.
6584 2006-02-26 Roger Sayle <roger@eyesopen.com>
6586 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6588 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6590 2006-02-26 Roger Sayle <roger@eyesopen.com>
6591 James A. Morrison <phython@gcc.gnu.org>
6594 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6595 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
6596 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
6597 signedness of the shift operation.
6599 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
6601 PR tree-optimization/26359
6602 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
6604 2006-02-25 Roger Sayle <roger@eyesopen.com>
6606 * simplify-rtx.c (simplify_relational_operation_1): Simplify
6607 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
6608 as X == 0, and some symmetry related transformations.
6609 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
6611 2006-02-25 Roger Sayle <roger@eyesopen.com>
6614 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
6615 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
6616 symmetry related transformations. Fold (X^C1) == C2 as
6619 2006-02-25 Juergen Weigert <jw@suse.de>
6620 Richard Guenther <rguenther@suse.de>
6622 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6624 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
6626 * combine.c (gen_lowpart_or_truncate): Call
6627 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6629 2006-02-24 Diego Novillo <dnovillo@redhat.com>
6631 * doc/invoke.texi: Move -fopenmp description to "Options for
6633 Remove reference to -lgomp.
6635 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6637 * doc/install.texi: Require GNU tar version 1.14.
6639 2006-02-24 Geoffrey Keating <geoffk@apple.com>
6641 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
6642 * doc/invoke.texi (C++ Dialect Options): Document
6643 -fno-use-cxa-get-exception-ptr.
6644 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
6645 * configure: Regenerate.
6646 * c.opt (fuse-cxa-get-exception-ptr): New.
6647 * c-opts.c (c_common_handle_option): Handle
6648 OPT_fuse_cxa_get_exception_ptr.
6649 * c-common.c (flag_use_cxa_atexit): Update documentation.
6650 (flag_use_cxa_get_exception_ptr): New.
6651 * c-common.h (flag_use_cxa_get_exception_ptr): New.
6652 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
6654 (C_COMMON_OVERRIDE_OPTIONS): New.
6656 2006-02-24 Roger Sayle <roger@eyesopen.com>
6659 * combine.c (try_combine): Explicitly check whether GET_CODE is
6660 a SET or a CLOBBER, instead on checking that it isn't a USE.
6662 2006-02-24 Roger Sayle <roger@eyesopen.com>
6664 * fold-const.c (fold_comparison): New subroutine of fold_binary
6665 containing transformations common to both the equality and
6666 ordering relational operators, factored out of fold_binary.
6667 (fold_binary): Separate out the equality operators (EQ_EXPR
6668 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
6669 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
6670 transformations common to both.
6671 (fold_div_compare): Fix latent bugs in the previously unreachable
6672 LT_EXPR and GE_EXPR cases.
6674 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6676 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
6677 decl libname for clog to __clog on AIX.
6679 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
6681 2006-02-24 Alan Modra <amodra@bigpond.net.au>
6684 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6685 output traceback table for thunks. Localise rs6000_stack_info call.
6687 2006-02-23 Roger Sayle <roger@eyesopen.com>
6688 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6690 * gthr-posix.h (__gthrw): Fix typo in comment.
6692 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6694 * doc/cpp.texi (Character sets): Document that we do support
6695 input files to be in any character set.
6697 2006-02-23 Jeff Law <law@redhat.com>
6699 * tree.h (PHI_ARG_NONZERO): Remove.
6700 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6701 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6702 node to the new node.
6704 PR tree-optimization/26425
6705 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6706 min/max, then assume its varying.
6708 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6710 PR rtl-optimization/26316
6711 * rtlanal.c (enum may_trap_p_flags): New.
6712 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6713 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6714 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6715 (may_trap_after_code_motion_p): New function.
6716 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6717 (find_invariant_insn): Use may_trap_after_code_motion_p.
6718 * rtl.h (may_trap_after_code_motion_p): Declare.
6720 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6722 * emit-rtl.c (immed_double_const): Cleanup.
6724 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6726 Fix PR tree-optimization/26376
6727 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6730 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6733 * gimplify.c (omp_add_variable): Guard variable size decl test with
6734 DECL_SIZE (decl) check.
6736 2006-02-23 Richard Guenther <rguenther@suse.de>
6739 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6740 like aggregate types.
6742 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6744 * configure.ac: Add --with{,out}-long-double-128 configure option.
6745 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6746 * configure: Rebuilt.
6747 * config.in: Rebuilt.
6748 * doc/install.texi (Options specification): Document
6749 --with-long-double-128.
6751 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6752 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6753 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6754 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6756 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6758 * config/s390/s390.c (override_options): Handle
6759 TARGET_DEFAULT_LONG_DOUBLE_128.
6761 * config/alpha/alpha.c (override_options): Handle
6762 TARGET_DEFAULT_LONG_DOUBLE_128.
6764 * config/sparc/sparc.c (sparc_override_options): Handle
6765 TARGET_DEFAULT_LONG_DOUBLE_128.
6767 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6769 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6770 (real-install-headers-tar, real-install-headers-cpio)
6771 (real-install-headers-cp): New targets.
6773 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6775 * tree.h (variable_section): Delete.
6776 * varasm.c (variable_section): Delete.
6778 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6780 * install.texi: Add notes on install.texi2html.
6781 (Building in parallel): Do not use footnotes.
6783 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6786 * doc/install.texi (Configuration): Document --disable-libgomp.
6788 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6790 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6792 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6794 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6795 (vec_extractv2df_0_sse): New.
6797 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6799 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6800 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6801 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6802 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6803 to the result of the expression.
6804 (def_cfa_1): Adjust.
6805 (frame_pointer_cfa_offset): Rename to...
6806 (frame_pointer_fb_offset): ... this. Adjust all uses.
6807 (convert_cfa_to_loc_list): Rename to...
6808 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6809 Pass it on to build_cfa_loc.
6810 (compute_frame_pointer_to_cfa_displacement): Rename to...
6811 (compute_frame_pointer_to_fb_displacement): ... this. New
6812 offset parameter. Use it in computation.
6813 (gen_subprogram_die): Compute cfa_fb_offset with the new
6814 macro, and use it to compute the fb loc list and the
6817 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6819 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6820 replaced with register_operand.
6821 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6822 non-DREG is expensive.
6823 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6824 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6827 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6829 * doc/install.texi2html: Use set -e.
6831 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6833 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6834 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6835 * doc/invoke.texi (-fshared-data): Delete.
6836 * common.opt (fshared-data): Delete.
6837 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6838 (assemble_static_space): Remove #if 0 code.
6839 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6840 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6841 * config/cris/cris.h: Remove FIXME.
6843 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6845 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6848 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6851 * combine.c (simplify_shift_const_1): Disable nested shifts
6852 optimization for vector shifts.
6854 2006-02-20 Roger Sayle <roger@eyesopen.com>
6856 PR tree-optimization/26361
6857 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6858 of unsigned integer types.
6860 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6862 * tree-chrec.c (eq_evolutions_p): New.
6863 * tree-chrec.h (eq_evolutions_p): Declared.
6864 * tree-data-ref.c: Fix formatting.
6865 (datadep_stats, dependence_stats): New.
6867 (print_direction_vector): New.
6868 (dump_data_dependence_relation): Use print_direction_vector.
6869 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6870 (compute_subscript_distance): Static.
6871 (initialize_data_dependence_relation): Static. Get the number
6872 of loops surrounding the references from the callers, and initialize
6873 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6874 base_object_differ_p analyzers.
6875 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6876 compute_overlap_steps_for_affine_1_2,
6877 analyze_subscript_affine_affine): Count the classified dependences.
6878 Print a message when a test failed.
6879 (can_use_analyze_subscript_affine_affine): New.
6880 (analyze_siv_subscript): Compute the data dependences on symbolic
6881 scevs that verify can_use_analyze_subscript_affine_affine.
6882 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6883 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6884 Handle symbolic scevs.
6885 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6887 (subscript_dependence_tester): Moved...
6888 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6889 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6890 DDR_SIZE_VECT instead of getting it in parameter.
6891 (subscript_dependence_tester): ... here. Take as a parameter
6892 loop_nest_depth. Call build_classic_dist_vector and
6893 build_classic_dir_vector.
6894 (compute_affine_dependence): Update subscript_dependence_tester
6895 parameters. Update datadep_stats counters. Call
6896 compute_subscript_distance.
6897 (compute_self_dependence): Save the dist and dir vectors. Call
6898 compute_subscript_distance.
6899 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6900 (compute_all_dependences): Reorder parameters as they were before
6901 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6902 compute_subscript_distance. Update the use of
6903 compute_affine_dependence and initialize_data_dependence_relation.
6904 (find_data_references_in_loop): Handle COMPONENT_REF.
6905 (compute_data_dependences_for_loop): Initialize dependence_stats.
6906 Don't call build_classic_dist_vector and build_classic_dir_vector.
6907 Update the parameters of initialize_data_dependence_relation and
6908 compute_all_dependences. Print the statistics from datadep_stats.
6909 (analyze_all_data_dependences): Static. Not used until the pass for
6910 checking the data dependences is contributed.
6911 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6912 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6913 (initialize_data_dependence_relation, compute_affine_dependence,
6914 analyze_all_data_dependences, compute_subscript_distance): Removed.
6915 (print_direction_vector): New.
6916 * lambda.h (gcd): ... here.
6917 (lambda_vector_gcd): Moved here from gcd_vector.
6918 * lambda-code.c (gcd, gcd_vector): Removed.
6919 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6920 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6922 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6924 * ipa-type-escape.c: Tidy some comments and white space.
6925 * tree-ssa-operands.c: Likewise.
6927 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6930 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6931 (dump_decl_name): Do not walk the decl tree chains.
6932 * tree-pass.h (TDF_CHAIN): Remove.
6934 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6936 * Makefile.in (C): Remove
6938 (.PHONY): Remove C and PROTO
6940 2006-02-20 Roger Sayle <roger@eyesopen.com>
6943 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6944 deprecated CHAR_TYPE tree code.
6946 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6948 * configure.ac (target_list): Add install-info, dvi, html.
6949 * configure: Regenerate.
6951 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6952 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6953 treelang/Make-lang.in: Do not use double-colon rules.
6955 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6957 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6958 (TMT_USED_ALONE): New macro.
6959 * tree-pass.h (PROP_tmt_usage): New property.
6960 (TODO_update_tmt_usage): New todo.
6961 * tree-ssa-alias.c (updating_used_alone): New variable.
6962 (recalculate_used_alone): New function.
6963 (compute_may_aliases): Set updating_used_alone, call
6964 recalculate_used_alone.
6965 * tree-sra.c (pass_sra): Note that this pass destroys
6966 PROP_tmt_usage, and add TODO_update_tmt_usage.
6967 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6968 * tree-flow.h (updating_used_alone): Prototype.
6969 (recalculate_used_alone): Ditto.
6970 * passes.c (execute_todo): Add code to set updating_used_alone,
6971 and call recalculate.
6972 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6973 for clobber if used alone, and add assert to verify used_alone
6976 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6978 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6979 for non tls symbols added.
6980 (legitimize_address): Do nothing for PLUS expressions if one of the
6981 addends is a tls symbol reference.
6983 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6987 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6989 * Makefile.in (BOOTSTRAPPING): New.
6990 (quickstrap): New definition if BOOTSTRAPPING=yes.
6992 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6993 * configure.ac: Substitute all_selected_languages with the languages
6994 that were configured. For all the other variables except
6995 lang_specs_files, include all the languages in the tree.
6996 * configure: Regenerate.
6998 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6999 if there is one. Run the commands to run fixincludes in the same
7002 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7003 * doc/install.texi: Document exact conventions for searching target tools.
7004 Document --with-build-time-tools. Document toplevel bootstrap. Document
7005 something more about building an Ada cross-compiler. Don't list GNU Make
7006 requirements which affect all platforms.
7008 2006-02-19 Roger Sayle <roger@eyesopen.com>
7011 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7012 only equivalent if the have both the same mode and precision.
7014 2006-02-20 Ben Elliston <bje@au.ibm.com>
7016 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7018 2006-02-19 Roger Sayle <roger@eyesopen.com>
7019 Steven Bosscher <stevenb.gcc@gmail.com>
7021 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7022 constant pool references to identify stack mode constants.
7023 * rtlanal.c (constant_pool_constant_p): New predicate to check
7024 whether operand is a floating point constant in the pool.
7025 * rtl.h (constant_pool_constant_p): Prototype here.
7026 * loop.c (scan_loop): Avoid hoisting constants from the constant
7027 pool on STACK_REGS targets.
7028 (load_mems): Likewise.
7029 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7030 loads into x87 registers expensive in terms of register pressure.
7032 2006-02-19 Roger Sayle <roger@eyesopen.com>
7034 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7035 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7037 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7039 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7040 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7042 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7044 * doc/invoke.texi: Document -fipa-pta.
7045 * common.opt: Add ipa-pta option.
7046 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7047 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7048 (do_ds_constraint): Ditto.
7049 (get_constraint_for): Only add to referenced_vars if
7050 referenced_vars exists.
7051 (insert_into_field_list): Rewrite to do this unsorted.
7052 (insert_into_field_list_sorted): Rename old insert_into_field_list
7054 (create_function_info_for): Use insert_into_field_list_sorted.
7055 (create_variable_info_for): Rewrite so it uses unsorted version,
7056 since the field list is sorted.
7057 (intra_create_variable_infos): Only add to referenced_vars if
7058 referenced_vars exists.
7059 (ipa_pta_execute): Init heapvars, and delete when done.
7060 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7062 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7064 * doc/install.texi: Add missing `@samp'.
7066 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7068 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7071 2006-02-18 Mark Wielaard <mark@klomp.org>
7073 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7074 who added new 4.1 features, bug fixes and integration support.
7076 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7079 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7082 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7084 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7085 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7086 (copy_insn_1): Likewise. Don't copy each field individually.
7088 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7090 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7091 * rtl.c (rtx_size): Rename variable to...
7092 (rtx_code_size): ...this.
7093 (rtx_size): New function.
7094 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7095 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7097 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7098 * rtl.h (rtx_code_size): New variable.
7099 (rtx_size): Change from a variable to a function.
7100 (RTX_SIZE): Rename to...
7101 (RTX_CODE_SIZE): ...this.
7104 PR tree-optimization/17106
7105 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7106 (Anchored Addresses): New section.
7107 * doc/invoke.texi (-fsection-anchors): Document.
7108 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7109 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7110 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7111 * hooks.c (hook_bool_mode_rtx_false): New function.
7112 * hooks.h (hook_bool_mode_rtx_false): Declare.
7113 * gengtype.c (create_optional_field): New function.
7114 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7115 SYMBOL_REF_IN_BLOCK_P is true.
7116 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7117 (min_anchor_offset, max_anchor_offset): Likewise.
7118 (use_anchors_for_symbol_p): New hook.
7119 * toplev.c (compile_file): Call output_object_blocks.
7120 (target_supports_section_anchors_p): New function.
7121 (process_options): Check that -fsection-anchors is only used on
7122 targets that support it and when -funit-at-a-time is in effect.
7123 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7124 if the decl doesn't have one.
7125 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7126 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7127 of force_const_mem through use_anchored_address.
7128 (expand_expr_constant): New function.
7129 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7130 calling expand_expr for INDIRECT_REF.
7131 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7132 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7133 * expr.h (use_anchored_address): Declare.
7134 * loop-unroll.c: Don't declare rtx vectors here.
7135 * explow.c: Include output.h.
7136 (validize_mem): Call use_anchored_address.
7137 (use_anchored_address): New function.
7138 * common.opt (-fsection-anchors): New switch.
7139 * varasm.c (object_block_htab, anchor_labelno): New variables.
7140 (hash_section, object_block_entry_eq, object_block_entry_hash)
7141 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7142 (use_blocks_for_decl_p, change_symbol_section): New functions.
7143 (get_variable_section): New function, split out from assemble_variable.
7144 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7145 use_blocks_for_decl_p say so. Use change_symbol_section if the
7146 symbol has already been created.
7147 (assemble_variable_contents): New function, split out from...
7148 (assemble_variable): ...here. Don't output any code for
7149 block symbols; just pass them to place_block_symbol.
7150 Use get_variable_section and assemble_variable_contents.
7151 (get_constant_alignment, get_constant_section, get_constant_size): New
7152 functions, split from output_constant_def_contents.
7153 (build_constant_desc): Create a block symbol if use_object_blocks_p
7154 says so. Or into SYMBOL_REF_FLAGS.
7155 (assemble_constant_contents): New function, split from...
7156 (output_constant_def_contents): ...here. Don't output any code
7157 for block symbols; just pass them to place_section_symbol.
7158 Use get_constant_section and get_constant_alignment.
7159 (force_const_mem): Create a block symbol if use_object_blocks_p and
7160 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7161 (output_constant_pool_1): Add an explicit alignment argument.
7162 Don't switch sections here.
7163 (output_constant_pool): Adjust call to output_constant_pool_1.
7164 Switch sections here instead. Don't output anything for block symbols;
7165 just pass them to place_block_symbol.
7166 (init_varasm_once): Initialize object_block_htab.
7167 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7168 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7169 (place_block_symbol, get_section_anchor, output_object_block)
7170 (output_object_block_htab, output_object_blocks): New functions.
7171 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7172 (TARGET_ASM_OUT): Include it.
7173 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7174 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7175 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7176 (TARGET_INITIALIZER): Include them.
7177 * rtl.c (rtl_check_failed_block_symbol): New function.
7178 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7179 (block_symbol, object_block): New structures.
7180 (rtx_def): Add a block_symbol field to the union.
7181 (BLOCK_SYMBOL_CHECK): New macro.
7182 (rtl_check_failed_block_symbol): Declare.
7183 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7184 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7185 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7186 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7187 * output.h (output_section_symbols): Declare.
7188 (object_block): Name structure.
7189 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7190 (default_use_anchors_for_symbol_p): Declare.
7191 * Makefile.in (RTL_BASE_H): Add vec.h.
7192 (explow.o): Depend on output.h.
7193 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7194 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7195 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7196 (rs6000_use_blocks_for_constant_p): New function.
7198 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7200 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7202 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7205 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7208 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7210 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7214 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7217 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7218 instead of DECL_REGISTER.
7220 2006-02-18 Olivier Hainque <hainque@adacore.com>
7223 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7225 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7228 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7229 * opth-gen.awk: Handle Var and InverseMask together.
7230 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7231 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7232 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7233 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7235 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7236 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7237 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7238 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7239 LINUX_DYNAMIC_LINKER): Define.
7240 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7241 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7243 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7244 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7245 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7246 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7247 (TARGET_C99_FUNCTIONS): Don't define.
7248 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7249 GLIBC_DYNAMIC_LINKER.
7250 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7251 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7252 GLIBC_DYNAMIC_LINKER64): Define.
7253 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7254 LINUX_DYNAMIC_LINKER64.
7255 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7256 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7257 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7258 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7259 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7260 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7261 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7262 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7263 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7264 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7265 and LINUX_DYNAMIC_LINKER32.
7266 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7267 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7268 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7269 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7270 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7272 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7273 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7274 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7275 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7276 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7277 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7278 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7279 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7280 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7281 LINUX_DYNAMIC_LINKER): Define.
7282 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7283 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7284 GLIBC_DYNAMIC_LINKER64): Define.
7285 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7286 LINUX_DYNAMIC_LINKER64.
7287 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7288 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7289 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7290 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7291 LINUX_DYNAMIC_LINKER): Define.
7292 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7293 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7294 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7295 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7296 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7297 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7298 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7299 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7300 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7301 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7302 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7303 * doc/invoke.texi (-muclibc): Remove caveat about supported
7306 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7308 * doc/cpp.texi (__TIMESTAMP__): Document.
7310 2006-02-17 Roger Sayle <roger@eyesopen.com>
7313 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7314 C is one less than the width of X (and related transformations).
7315 * simplify-rtx.c (simplify_unary_operation_1): Transform
7316 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7317 depending on STORE_FLAG_VALUE, were C is one less then the
7320 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7322 Fix PR tree-optimization/26341
7323 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7324 about NAME_MEMORY_TAG's.
7326 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7329 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7330 with hardware float support, and software float support. Add fcpy
7331 alternative to hardware patterns. Add alternatives to copy between
7332 general and floating-point registers to the 32-bit pattern.
7333 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7334 secondary reload to load a QI or HI mode constant into a floating
7336 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7337 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7339 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7342 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7344 (load_macho_picbase_di): Likewise.
7346 2006-02-16 Jeff Law <law@redhat.com>
7348 * tree-vrp.c (set_value_range_to_nonnegative): New function.
7349 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
7350 (ssa_name_nonzero_p): Likewise.
7351 (get_value_range): Return NULL if VRP is not running.
7352 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
7353 VRP routines do not discover a range.
7354 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
7355 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
7356 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
7357 (tree_expr_nonnegative_p): Similarly.
7358 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
7359 (restore_nonzero_vars_to_original_value): Remove.
7360 (unsafe_associative_fp_binop): Remove.
7361 (tree_ssa_dominator_optimize): Remove initialization and
7362 finalization of nonzero_vars and nonzero_vars_stack.
7363 (dom_opt_initialize_block): No longer push marker on
7365 (dom_opt_finalize_block): No longer call
7366 restore_nonzero_vars_to_original_value.
7367 (record_equivalences_from_phis): No longer look for
7368 nonzero PHI arguments.
7369 (cprop_into_successor_phis): No longer propagate nonzero
7370 property into PHI arguments. Lose unused argument. Caller
7372 (record_equivalences_from_stmt): No longer record nonzero
7373 values for SSA_NAMEs.
7374 (lookup_avail_expr): No longer use nonzero_vars.
7376 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
7377 for sizetype when sizetype is unsigned.
7379 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
7381 PR rtl-optimization/25603
7382 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
7383 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
7384 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
7385 with new meaning of SETS.
7387 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
7392 * config/linux.opt: New file.
7393 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
7394 LINUX_DYNAMIC_LINKER): Define.
7395 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
7396 * config.gcc (*-*-linux*): Define extra_options.
7397 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
7398 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
7399 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
7400 GLIBC_DYNAMIC_LINKER.
7401 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
7402 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7403 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7404 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7405 * doc/invoke.texi (GNU/Linux Options): New section.
7407 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7409 * config/sparc/sparc.md (setjmp): Rewrite.
7410 (setjmp_32): Delete.
7411 (setjmp_64): Likewise.
7413 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
7415 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
7418 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7420 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
7423 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7425 PR rtl-optimization/26296
7426 * Makefile.in (loop-invariant.c): Add except.h dependency.
7427 * loop-invariant.c: Include except.h.
7428 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
7430 2005-02-16 Paul Brook <paul@codesourcery.com>
7432 * reload1.c (emit_reload_insns): Invalidate dead input registers used
7435 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
7437 PR rtl-optimization/25636
7438 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
7439 when deciding whether an insn is an initializing insn.
7441 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
7443 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
7444 (tree_code_size): Ditto.
7445 * tree.h (struct tree_memory_tag): Remove parent_var.
7446 (struct tree_struct_field_tag): New.
7449 (union tree_node): Add sft member.
7450 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
7452 (create_sft): Add size and offset argument, set SFT_OFFSET and
7454 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
7455 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
7456 * tree-flow-inline.h (get_subvar_at): Update for
7457 SFT_OFFSET/SFT_SIZE.
7458 (var_can_have_subvars): Ditto.
7459 (overlap_subvar): Ditto.
7460 * print-tree.c (print_node): Print out interesting things for
7462 * tree-flow.h (struct subvar): Remove offset and size members.
7463 * tree-ssa-operands.c (get_expr_operands): Update for
7464 get_indirect_ref_operands changes.
7465 (get_indirect_ref_operands): Call add_virtual_operand instead of
7466 add_stmt_operand. Only recurse on base var if requested.
7467 (access_can_touch_variable): New function.
7468 (add_stmt_operand): Split virtual operand handling into ...
7469 (add_virtual_operand): Here. Add offset, size, and for_clobber
7470 arguments. Prune alias sets.
7471 (add_call_clobber_ops): Call add_virtual_operand.
7473 2006-02-15 Jakub Jelinek <jakub@redhat.com>
7476 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
7478 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
7479 than TREE_CODE as index into omp_clause_num_ops array.
7481 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
7483 PR rtl-optimization/26184
7484 * modulo-sched.c (generate_reg_moves): Free bitmap vector
7486 * modulo-sched.c (sms_schedule): Free g_arr pointer.
7487 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
7488 must_precede, must_follow and tobe_scheduled.
7491 * opts.c (common_handle_option): Free new_option pointer.
7492 * df-core.c (df_analyze): Free postorder pointer.
7494 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7496 * Makefile.in: Fix the examples about the use of stamps
7498 2006-02-15 Michael Matz <matz@suse.de>
7502 * stor-layout.c (layout_decl): Zero-width bitfields aren't
7503 influenced by maximum_field_alignment or DECL_PACKED.
7504 (update_alignment_for_field): Ditto.
7505 (place_field): Ditto.
7506 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
7509 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
7511 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
7512 (debug_flow_info): Pass it.
7513 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
7514 * bb-reorder.c (reorder_basic_blocks): Likewise.
7515 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
7516 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
7517 * flow.c (life_analysis, recompute_reg_usage): Likewise.
7518 * gcse.c (gcse_main, bypass_jumps): Likewise.
7519 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
7520 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
7521 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
7522 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
7523 * rtl.h (dump_flow_info): Adjust prototype.
7524 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
7525 * var-tracking.c (variable_tracking_main): Likewise.
7526 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
7527 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
7530 2006-02-15 Marcin Dalecki <martin@dalecki.de>
7532 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
7535 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7537 PR tree-optimization/26209
7538 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
7539 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
7541 * tree-cfg.c (replace_uses_by): Do not alter cfg.
7543 2006-02-14 Roger Sayle <roger@eyesopen.com>
7546 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
7547 (X,Y) and the corresponding symmetry related transformations.
7548 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7549 (X,Y) and its symmetry related transformations.
7551 2006-02-14 Roger Sayle <roger@eyesopen.com>
7553 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
7556 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
7558 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
7560 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7563 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
7564 support COMDAT group.
7565 * configure: Regenerate.
7567 2006-02-14 Roger Sayle <roger@eyesopen.com>
7572 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7574 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7576 Fix PR tree-optimization/26260
7578 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7580 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7581 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7582 * tree-ssa-structalias.c (create_variable_info_for): Use
7583 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7585 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7587 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7589 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7590 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7591 of the ending condition.
7592 * tree-ssa-loop-manip.c: Include params.h.
7593 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
7594 tree_unroll_loop): New functions.
7595 * tree-pass.h (pass_loop_prefetch): Declare.
7596 * loop.c (rest_of_handle_loop_optimize): Test for
7597 -fprefetch-loop-arrays-rtl.
7598 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
7599 * timevar.def (TV_TREE_PREFETCH): New timevar.
7600 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
7601 pass_loop_prefetch): New.
7602 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
7603 (cleanup_tree_cfg_loop): Call scev_reset.
7604 * common.opt (fprefetch-loop-arrays-rtl): Add.
7605 * tree-ssa-loop-prefetch.c: New file.
7606 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
7607 (new_temp_expr_table): Initialize expr_vars.
7608 (free_temp_expr_table): Cleanup expr_vars.
7609 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
7610 expressions from being merged into one.
7611 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
7612 (struct tree_niter_desc): Add control, bound and cmp fields.
7613 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
7615 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
7616 (tree-cfgcleanup.o): Add SCEV_H dependency.
7617 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
7618 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
7620 2006-02-14 Richard Guenther <rguenther@suse.de>
7622 PR tree-optimization/26258
7623 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
7624 in PHI argument processing.
7626 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
7628 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
7629 new expression in the requested machine mode.
7631 2006-02-13 Roger Sayle <roger@eyesopen.com>
7633 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
7634 directly, instead let do_compare_rtx_and_jump handle this for us.
7635 * expr.c (expand_expr_real_1): Likewise.
7636 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
7637 before do_jump_by_parts_greater.
7638 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
7639 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
7641 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7643 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
7645 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7647 PR rtl-optimization/26235
7648 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
7649 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
7652 2006-02-13 Jeff Law <law@redhat.com>
7654 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
7657 2006-02-13 Jakub Jelinek <jakub@redhat.com>
7660 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
7661 twice if decl is a builtin. When trying again, call get_callee_fndecl
7662 first to verify it is still a builtin.
7664 2006-02-13 Geoffrey Keating <geoffk@apple.com>
7666 * dwarf2out.c (base_type_die): Don't add AT_name here.
7667 (subrange_type_die): Don't add AT_name here.
7668 (modified_type_die): Rearrange code flow. Do add AT_name here.
7670 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7672 PR rtl-optimization/26247
7673 PR rtl-optimization/26248
7674 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7676 2006-02-13 Richard Sandiford <richard@codesourcery.com>
7678 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
7679 * config/fixtfdi.c: Likewise.
7680 * config/fixunstfdi.c: Likewise.
7681 * config/floatditf.c: Likewise.
7683 2006-02-13 Roger Sayle <roger@eyesopen.com>
7686 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7687 into (X,C2) if C1 is a subset of the bits of C2. Transform
7688 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7690 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7692 2006-02-13 Josh Conner <jconner@apple.com>
7695 * varasm.c (function_section): Check for section name before
7696 calling select_section on targets that define
7697 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7698 unlikely_text_section instead of hot_function_section if
7699 first_function_block_is_cold.
7701 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7704 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7706 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7708 PR rtl-optimization/26222
7709 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7710 after tree->rtl expansion.
7711 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7712 before passing it to emit_move_insn.
7714 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7716 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7718 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7719 Clarify documentation.
7720 * c-common.h (warn_write_strings): Remove.
7721 * c-common.c (warn_write_strings): Likewise.
7722 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7725 2006-02-12 Roger Sayle <roger@eyesopen.com>
7728 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7729 (do_jump_parts_zero_rtx): New function renamed from
7730 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7731 (do_jump_parts_equality_rtx): New function split out from
7732 do_jump_parts_equality. Old implementation renamed as above.
7733 Call do_jump_parts_zero_rtx if either operand is zero.
7734 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7735 do all of the heavy lifting.
7736 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7737 calling either do_jump_by_parts_greater_rtx or
7738 do_jump_by_parts_equality_rtx.
7739 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7740 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7741 moved to do_compare_rtx_and_jump, call it directly.
7742 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7743 mode argument. Call do_compare_rtx_and_jump.
7744 (emit_case_nodes): Update calls to do_jump_if_equal.
7746 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7748 PR rtl-optimization/26225
7749 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7751 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7753 PR rtl-optimization/26232
7754 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7756 2006-02-11 Jason Merrill <jason@redhat.com>
7759 * tree-inline.c (declare_return_variable): Just don't use the
7760 modify target if it's a gimple complex reg and the return slot
7763 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7765 * doc/contrib.texi: Update my entry.
7767 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7769 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7771 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7773 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7776 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7778 * doc/invoke.texi (-floop-optimize2): Removed.
7779 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7780 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7781 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7782 * common.opt (floop-optimize2): Removed.
7783 (fmove-loop-invariants): Enabled by default.
7785 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7787 * tree-if-conv.c (combine_blocks): Free the result of
7788 get_loop_exit_edges.
7790 2006-02-10 Jeff Law <law@redhat.com>
7792 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7794 PR tree-optimization/26213
7795 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7796 loop trying to follow SSA_NAME_VALUE chains.
7798 2006-02-10 Richard Guenther <rguenther@suse.de>
7800 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7801 deal with structures that end in implicitly variable sized arrays.
7803 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7805 PR rtl-optimization/24762
7806 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7809 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7811 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7812 (struct ivopts_data): Add regs_used field.
7813 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7814 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7815 instead of loop_data->regs_used;
7816 (free_loop_data): Do not free aux fields for loops.
7817 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7818 and tree_ssa_iv_optimize_finalize.
7820 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7822 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7824 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7827 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7828 computing the effective result type.
7830 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7833 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7834 (tree_overlaps_hard_reg_set): Declare.
7835 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7836 type and signature to match function type expected by walk_tree.
7837 (tree_overlaps_hard_reg_set): New function.
7838 (decl_conflicts_with_clobbers_p): Rename to:
7839 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7840 Use tree_overlaps_hard_reg_set. Changed caller.
7841 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7842 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7843 * cris.c (cris_md_asm_clobbers): Likewise.
7845 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7847 * reload1.c (emit_input_reload_insns): Delete code that tries to
7848 inherit using find_equiv_reg.
7850 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7852 * c-common.h (flag_const_strings): Don't declare.
7853 * c-common.c (flag_const_strings): Remove.
7854 * c.opt (fconst_strings): Remove.
7855 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7856 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7857 (c_common_init_options): Don't set flag_const_strings.
7858 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7860 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7862 * arm.md (tlobits_cbranch): New pattern.
7863 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7864 testing a single bit.
7866 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7869 * tree-ssa-pre.c (create_component_ref_by_pieces):
7870 Handle RETURN_DECL like VAR_DECL.
7872 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7875 * fold-const.c (fold_indirect_ref_1): Fold
7876 "*(foo *)&complexfoo" to "__real__ complexfoo"
7877 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7879 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7881 * tree-flow-inline.h (var_can_have_subvars):
7882 Volatile variables should not have subvariables.
7884 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7887 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7888 multiplying unsigned values.
7891 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7893 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7895 2006-02-08 Jason Merrill <jason@redhat.com>
7898 * tree.def: Elaborate on difference from MODIFY_EXPR.
7899 * doc/c-tree.texi (INIT_EXPR): Likewise.
7900 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7901 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7902 (gimplify_target_expr): Likewise.
7903 (gimplify_cond_expr): Remove target handling.
7904 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7905 (gimplify_expr): Clobber it here.
7906 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7907 Do return slot optimization if we have an INIT_EXPR.
7910 * tree-inline.c (declare_return_variable): Also clear
7911 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7914 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7917 * gimplify.c (gimplify_one_sizepos): Fix typo.
7919 2006-02-08 Jeff Law <law@redhat.com>
7921 PR tree-optimization/21417
7922 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7923 across a backedge if the control statement at the end of the
7924 block is data dependent on other statements in the same block.
7925 (record_temporary_equivalences_from_stmts): Remove over-conservative
7926 test for threading across backedges.
7928 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7929 control statement, handle all three special cases in the same
7930 manner as they all have the same desired solution. No longer
7931 special case edge flag updating when the post dominator is
7934 2006-02-08 Roger Sayle <roger@eyesopen.com>
7936 * tree.def (CHAR_TYPE): Remove.
7937 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7938 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7939 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7940 (gen_string_type_die): Delete unreachable function.
7942 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7943 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7944 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7945 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7946 * builtins.c (type_to_class): Likewise.
7947 * fold-const.c (fold_convert, build_range_check,
7948 merge_ranges): Likewise.
7949 * expr.c (count_type_elements): Likewise.
7950 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7951 * stor-layout.c (layout_type): Likewise.
7952 * ipa-type-escape.c (type_to_consider): Likewise.
7953 * gimplify.c (omp_firstprivatize_type_sizes,
7954 gimplify_type_sizes): Likewise.
7955 * explow.c (promote_mode): Likewise.
7956 * tree-sra.c (is_sra_scalar_type): Likewise.
7957 * varasm.c (output_constant): Likewise.
7958 * tree-inline.c (remap_type_1): Likewise.
7959 * convert.c (convert_to_pointer, convert_to_real,
7960 convert_to_integer, convert_to_complex): Likewise.
7962 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7964 * df-scan.c (df_def_record_1): A set destination may
7965 be a parallel regardless of mode.
7967 2006-02-08 Roger Sayle <roger@eyesopen.com>
7970 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7971 * config/mips/_tilib.c: Remove.
7972 * config/fixtfdi.c: New libgcc source file.
7973 * config/fixunstfdi.c: New source file.
7974 * config/floatditf.c: New source file.
7975 * config/floatunditf.c: New souce file.
7976 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7977 files above instead of config/mips/_tilib.c.
7978 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7980 2006-02-08 Jeff Law <law@redhat.com>
7982 PR tree-optimization/26169
7983 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7986 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7988 * df.h (DF_REG_SIZE): Return the length of the initialized
7991 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7993 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7994 __muldf3): Return a correctly signed zero.
7996 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7998 * passes.c (register_one_dump_file): Accept the current properties
7999 instead of pass number. Adjust call to dump_register. Remove
8001 (register_dump_files): Now a wrapper around...
8002 (register_dump_files_1): ... this one. Do not modify the pass
8004 (next_pass_1): Cosmetic fix.
8005 (execute_todo): Keep second parameter only. Use curr_properties
8006 instead of fetching it from the pass structure. Check and set
8008 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8009 instead of fetching it from the pass structure. Fix calls to
8010 execute_todo. Update curr_properties and initialize .vcg RTL dump
8011 after running the pass. Reset last_verified.
8012 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8014 (FIRST_AUTO_NUMBERED_DUMP): New.
8015 (dump_register): Remove "num" parameter, assign it within the
8017 (get_dump_file_name): Modify template for dumps.
8018 * tree-dump.h (dump_register): Adjust prototype.
8019 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8020 (PROP_trees): Add PROP_gimple_lomp.
8021 (TODO_set_props): New.
8022 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8023 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8024 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8026 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8028 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8029 (sparc64-*-linux*): Likewise.
8030 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8031 * config/sparc/t-linux: New file.
8032 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8033 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8034 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8035 -m32 -mlong-double-128.
8037 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8038 * config/alpha/t-linux: New file.
8039 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8041 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8042 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8043 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8044 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8045 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8046 (CPP_ARCH32_SPEC): Remove.
8048 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8050 PR tree-optimization/26145
8051 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8054 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8057 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8058 >= 240000 when generating code for SOM runtime.
8059 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8060 to $$dyncall when generating code for SOM runtime..
8062 2006-02-07 Dirk Mueller <dmueller@suse.com>
8065 * doc/invoke.texi (-Wsequence-point): Update documentation
8066 that -Wsequence-point is implemented for C++ as well.
8068 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8070 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8071 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8072 (LIB_SPEC): Likewise.
8073 * doc/invoke.texi (SPARC options): Document -pthread.
8075 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8077 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8080 2006-02-07 Roger Sayle <roger@eyesopen.com>
8082 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8083 Correct comment describing BOOLEAN_TYPE.
8085 2006-02-07 Dirk Mueller <dmueller@suse.com>
8087 * c.opt: C++ frontend supports -Wdiv-by-zero.
8088 * c-opts.c (c_common_handle_option): Remove dead case.
8090 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8092 * configure.ac (TLS assembler check): Do not enable TLS by
8093 default on SPARC/Solaris before version 10.
8094 * configure: Regenerate.
8096 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8098 * doc/invoke.texi (xl-compat): Document conversion and support
8101 2006-02-07 Jeff Law <law@redhat.com>
8103 * tree-vrp.c (find_conditional_asserts): Update comments.
8104 (simplify_stmt_for_jump_threading): New.
8105 (identify_jump_threads, finalize_jump_threads): New.
8106 (vrp_finalize): Call identify_jump_threads.
8107 (execute_vrp): Call finalize_jump_threads.
8108 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8109 (vrp_element, vrp_data, vrp_element_p): Remove.
8110 (vrp_hash_elt, vrp_variables_stack): Remove.
8111 (vrp_hash, vrp_eq, record_range): Remove.
8112 (simplify_cond_and_lookup_avail_expr): Remove.
8113 (extract_range_from_cond): Remove.
8114 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8115 (simplify_stmt_for_jump_threading): New.
8116 (dom_thread_across_edge): New wrapper.
8117 (tree_ssa_dominator_optimize): No longer initialize or
8118 finalize any of the VRP datastructures. Remove iteration
8119 step and simplify as a result of removal of iteration step.
8120 (pass_dominator): Perform a cfg cleanup after DOM.
8121 (dom_opt_finalize_block): Use the new common routines
8122 for threading jumps. Simplify stack management slightly.
8123 No longer need to unwind VRP state.
8124 (record_equivalences_from_incoming_edge): No longer record
8126 (eliminate_redundant_computations): No longer call
8127 simplify_cond_and_lookup_avail_expr.
8128 * tree-flow.h (potentially_threadable_block): Prototype.
8129 (thread_across_edge): Likewise.
8130 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8131 (tree-ssa-threadedge.o): Add dependencies.
8132 * tree-ssa-threadedge.c: New file.
8133 * passes.c (init_optimization_passes): Merge PHIs before
8134 calling VRP. Run VRP again late in the SSA optimization pipeline.
8136 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8138 * df-core.c (df_set_blocks): Do not dereference function pointers.
8139 (df_finish1): Likewise.
8140 (df_hybrid_search_forward): Likewise.
8141 (df_hybrid_search_backward): Likewise.
8142 (df_iterative_dataflow): Likewise.
8143 (df_analyze_problem): Likewise.
8144 (df_compact_blocks): Likewise.
8145 (df_dump): Likewise.
8146 * df-scan.c (df_rescan_blocks): Likewise.
8147 (df_record_entry_block_defs): Likewise.
8149 * genconditions.c (write_conditions): Guard the definition of
8150 'insn_conditions' with the check on GCC version.
8151 (write_writer): Guard the traversal 'insn_conditions' with
8152 the check on GCC version.
8154 2006-02-07 Richard Guenther <rguenther@suse.de>
8158 2006-01-30 Richard Guenther <rguenther@suse.de>
8160 * gimplify.c (gimplify_target_expr): Handle easy cases
8161 without creating a temporary.
8163 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8165 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8166 use of float in probability computations. Use edge probabilities
8167 in place of statically computed probabilities.
8168 (min_spec_prob): New static variable.
8169 (schedule_insns): Initialize it.
8170 (GET_SRC_PROB): Removed.
8171 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8173 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8176 * config/ia64/unwind-ia64.c: Revert last change.
8177 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8178 (INCOMING_FRAME_SP_OFFSET): Define.
8180 2006-02-06 Roger Sayle <roger@eyesopen.com>
8182 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8184 2006-02-07 Ben Elliston <bje@au.ibm.com>
8186 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8187 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8188 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8189 (ix86_return_in_memory): Handle TDmode.
8190 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8191 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8193 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8195 * reorg.c (dbr_schedule): Use dump_file instead of file.
8197 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8200 * config/ia64/predicates.md (extr_len_operand): New predicate.
8201 * config/ia64/ia64.md (extv): Tighten constraints.
8203 (*tbit_and_2): Ditto.
8204 (*tbit_and_3): Ditto.
8205 (*tbit_or_2): Ditto.
8206 (*tbit_or_3): Ditto.
8210 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8213 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8215 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8217 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8218 loop_optimizer_init and loop_optimizer_finalize
8219 * tree-ssa-sink.c (execute_sink_code): Ditto.
8220 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8221 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8222 tree_ssa_loop_done): Ditto.
8223 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8224 * sched-ebb.c: Include output.h.
8225 (schedule_ebbs): Do not use dump argument.
8226 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8227 * loop.c (loop_dump_stream): Removed.
8228 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8230 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8231 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8232 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8233 loop_iterations, strength_reduce, record_biv, record_giv,
8234 final_giv_value, check_final_value, check_ext_dependent_givs,
8235 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8236 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8237 dump_file instead of loop_dump_stream.
8238 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8240 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8242 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8243 * haifa-sched.c: Include output.h
8244 (schedule_insns, sched_init): Do not use dump argument.
8245 * mode-switching.c (optimize_mode_switching): Ditto.
8246 * modulo-sched.c (stats_file): Removed.
8247 (print_node_sched_params): Do not call argument dump_file.
8248 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8249 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8251 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8253 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8254 rtl_loop_init, rtl_loop_done): Ditto.
8255 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8256 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8258 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8259 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8260 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8261 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8262 * emit-rtl.c (renumber_insns): Ditto.
8263 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8264 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8265 * regclass.c (regclass): Ditto.
8266 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8267 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8268 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8269 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8271 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8272 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8274 * gcse.c (gcse_file, debug_stderr): Removed.
8275 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8276 rest_of_handle_gcse): Do not use dump argument.
8277 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8278 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8279 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8280 compute_code_hoist_vbeinout, compute_code_hoist_data,
8281 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8282 compute_store_table, build_store_vectors, insert_insn_start_bb,
8283 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8284 store_motion): Use dump_file instead of gcse_file.
8285 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8286 * profile.c (profile_dump_file): Removed.
8287 (branch_prob): Use dump_file instead of profile_dump_file.
8288 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8290 * tree-ssa-copy.c (dump_copy_of): Ditto.
8291 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8292 dump file to life_analysis.
8293 * bt-load.c (branch_target_load_optimize): Ditto.
8294 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8296 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8297 regclass, dbr_schedule): Declaration changed.
8298 * sched-int.h (sched_init): Declaration changed.
8299 * tree-profile.c (tree_profile_dump_file): Removed.
8300 (tree_profile_hooks): Removed profile_dump_file hook.
8301 * rtl-profile (rtl_profile_dump_file): Removed.
8302 (rtl_profile_hooks): emoved profile_dump_file hook.
8303 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8305 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8306 * tree-cfg.c (build_tree_cfg): Ditto.
8307 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8308 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8309 Declaration changed.
8310 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8311 life_analysis and schedule_insns.
8312 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8314 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8316 * config/mips/mips.c (mips_reorg): Ditto.
8317 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8320 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8322 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8323 (s390_mangle_fundamental_type): New.
8324 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8327 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8328 (alpha_mangle_fundamental_type): New.
8329 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8332 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8334 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8336 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8337 (sparc_mangle_fundamental_type): New.
8339 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8341 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8342 (s390x-*-linux*): Likewise.
8343 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8344 * config/s390/t-linux: New file.
8346 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8348 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
8349 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
8351 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
8353 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
8354 (ANTIC_SAFE_LOADS): New macro.
8355 (find_or_generate_expression): Add prototype.
8356 (set_contains_value): Allow null set for sake of not always having
8357 to allocate ANTIC_SAFE_LOADS.
8358 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
8359 Allow COMPONENT_REF too.
8360 (valid_in_set): Allow COMPONENT_REF.
8361 Check ANTIC_SAFE_LOADS too.
8362 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
8363 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
8365 (can_PRE_operation): Add COMPONENT_REF.
8366 (create_component_ref_by_pieces): New function.
8367 (create_expression_by_pieces): Use create_component_ref_by_pieces.
8368 (insert_aux): Move AGGREGATE_TYPE_P check here.
8369 (compute_avail): Set bb local stmt uids.
8370 (pass_pre): Use TODO_update_ssa_only_virtuals.
8372 2006-02-06 Ben Elliston <bje@au.ibm.com>
8374 * configure.ac: Unconditionally disable decimal float by default.
8375 * configure: Regenerate.
8377 2006-02-06 Ben Elliston <bje@au.ibm.com>
8379 * read-rtl.c (read_name): Terminate reading on EOF.
8381 2006-02-06 Ben Elliston <bje@au.ibm.com>
8383 * dfp.c (decimal_real_arithmetic): Change second argument type
8384 from int to enum tree_code. Do not always return true, but now
8385 return result of any call to decimal_do helper functions.
8386 * dfp.h (decimal_real_arithmetic): Update prototype.
8388 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
8390 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
8392 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
8395 * tree-cfg.c (cleanup_dead_labels): Also don't remove
8398 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8400 * tree-vrp.c (cfg_loops): Removed.
8401 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
8402 Use current_loops instead of cfg_loops. Pass flags to
8403 loop_optimizer_init.
8404 * cfgloopmanip.c (fix_loop_structure): Update only available
8406 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
8407 loop_optimizer_init.
8408 * modulo-sched.c (build_loops_structure): Removed.
8409 (sms_schedule): Use loop_optimizer_init.
8410 * loop-init.c (loop_optimizer_init): Use flags to determine
8411 which properties of loops to prepare.
8412 (rtl_loop_init): Pass flags to loop_optimizer_init.
8413 * tree-ssa-sink.c (execute_sink_code): Ditto.
8414 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8415 * tree-ssa-pre.c (init_pre): Ditto.
8416 * cfgloop.h (LOOPS_NORMAL): New.
8417 (loop_optimizer_init): Declaration changed.
8419 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8421 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
8422 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
8424 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
8426 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
8428 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
8429 * pa/t-pa64: Delete quadlib.c rule.
8430 * pa/x-ada: Revert last change.
8431 * pa/t-pa: Revert last change. Delete quadlib.c rule.
8433 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8435 PR rtl-optimization/26087
8436 * rtlanal.c (canonicalize_condition): Do not cross basic block
8439 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
8442 * config/ia64/ia64.c: Include debug.h.
8443 (MAX_ARTIFICIAL_LABEL_BYTES): New.
8444 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
8445 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
8446 (process_epilogue, process_set, process_for_unwind_directive):
8447 Output unwind info only if requested. Add CFA info if requested.
8448 Add new arguments as needed. Adjust callers.
8449 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
8451 (DWARF2_FRAME_INFO): Define to zero.
8452 * config/ia64/unwind-ia64.c: Remove code that compensated for
8453 the CFA offset error fixed above.
8454 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
8455 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
8456 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
8457 -funwind-tables and -fexceptions to enable frame info.
8458 (dwarf2out_frame_init): Define initial CFA even if
8459 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
8460 DWARF2_UNWIND_INFO is nonzero, not just defined.
8461 (dwarf2out_frame_finish): Output non-EH call frame info only
8462 if DWARF2_FRAME_INFO is nonzero.
8463 (convert_cfa_to_loc_list,
8464 compute_frame_pointer_to_cfa_displacement): Define even if
8465 unwind info is not supported.
8466 (gen_subprogram_die): Use the above unconditionally. Remove
8467 legacy alternate code.
8468 * toplev.c (compile_file): Compile in call to
8469 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
8470 (lang_dependent_init): Ditto for dwarf2out_frame_init.
8472 2006-02-04 David Edelsohn <edelsohn@gnu.org>
8473 Jakub Jelinek <jakub@redhat.com>
8475 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
8476 IBM extended float format long double as "g" on powerpc*-linux.
8478 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8481 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
8482 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
8484 2006-02-03 Jason Merrill <jason@redhat.com>
8487 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
8490 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
8491 on the return slot if it's an NRV.
8493 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
8495 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
8496 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
8497 rewrite_use): Do not handle USE_OUTER.
8498 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
8499 add_iv_outer_candidates, may_replace_final_value,
8500 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
8501 (find_interesting_uses_op): Functionality of
8502 find_interesting_uses_outer_or_nonlin moved here.
8503 (find_interesting_uses_outside): Use find_interesting_uses_op.
8505 2006-02-03 Alan Modra <amodra@bigpond.net.au>
8508 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
8510 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
8511 Ulrich Weigand <uweigand@de.ibm.com>
8514 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
8515 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
8516 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
8517 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
8519 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
8520 (s390_rtx_costs): Use the new fields to calculate rtx costs.
8521 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
8522 Define secondary reloads for TFmode moves.
8523 (constant_modes): Add TFmode.
8524 (NR_C_MODES): Set to 8.
8525 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
8527 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
8528 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
8529 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
8530 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
8531 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
8532 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
8533 (FPR mode macro): Add TFmode.
8534 (DSF mode macro): New.
8535 (<de>, <dee> mode attributes): Removed.
8536 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
8537 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
8538 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
8539 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
8540 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
8541 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
8542 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
8543 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
8544 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
8545 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
8546 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
8547 "*negabs<mode>2", "sqrt<mode>2"):
8548 Changed <de> to <xde>. R constraint replaced by <Rf>.
8549 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
8551 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
8552 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
8553 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
8555 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
8556 "extenddftf2", "extendsftf2"): New expanders.
8557 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
8558 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
8559 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
8560 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
8562 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
8563 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
8564 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
8565 __floatditf): Add a GCC_4.1.0 symbol version tag.
8566 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
8569 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
8572 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8573 Use targetm.binds_local_p instead of TREE_PUBLIC.
8575 2006-02-02 Roger Sayle <roger@eyesopen.com>
8577 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8578 on INTEGER_TYPEs to indicate that it denotes a character type.
8579 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8580 signed_char_type_node, unsigned_char_type_node and char_type_node.
8581 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8582 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8583 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8585 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8586 Daniel Berlin <dberlin@dberlin.org>
8588 * tree-tailcall.c (arg_needs_copy_p): New function.
8589 (eliminate_tail_call): Use arg_needs_copy_p.
8590 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8591 (add_virtual_phis): New function.
8593 2006-02-02 Jakub Jelinek <jakub@redhat.com>
8595 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
8596 #ignore instead of #scratch for %g7 .register directive.
8598 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
8600 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
8603 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8605 * flow.c (calculate_global_regs_live): Assert that there aren't any
8608 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8610 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
8612 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
8613 bsi_after_labels iterator.
8614 * tree-if-conv.c (find_phi_replacement_condition,
8615 replace_phi_with_cond_modify_expr): Likewise.
8616 * tree-scalar-evolution.c (scev_const_prop): Likewise.
8617 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
8619 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8621 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
8623 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8626 * tree-cfg.c (move_block_to_fn): Clear out the basic block
8627 array after growing it.
8629 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8632 * fold-const.c (fold_checksum_tree): Change type of buf.
8634 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
8636 * reload.c (push_secondary_reload): Initialize t_icode.
8638 2006-02-01 Jakub Jelinek <jakub@redhat.com>
8640 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8641 -msoft-float -mlong-double-128 only issue a warning, but don't
8642 swich to DFmode long double.
8644 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
8646 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
8647 has a constant equivalent, iterate over equivalents for arg0,
8648 calling simplify_relational_operation and if there's a result
8649 cheaper than X, apply fold_rtx and return the result.
8651 2006-02-01 Jan Hubicka <jh@suse.cz>
8653 * opts.c (no_unit_at_a_time_default): New global variable.
8654 (decode_options): Use it.
8655 * opts.h (no_unit_at_a_time_default): Declare.
8657 2006-02-01 Paul Brook <paul@codesourcery.com>
8659 * function.c (assign_parm_setup_reg): Use function argument promotion
8661 * expr.c (expand_expr_real_1): Use function argument promotion rules
8664 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8666 * gcc.c (process_command): Change j to 'unsigned int'.
8668 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8671 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
8672 Use the corrected index for the character
8673 out of the string constant.
8675 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8677 * mode-switching.c (optimize_mode_switching): Fix size
8678 allocated for bb_info[n_entities].
8680 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8682 * gcc.c (main): Correct type that is allocated for
8683 explicit_link_files.
8685 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8687 * config/s390/s390.c (init_alignment_context): Set
8688 ALIAS_SET_MEMORY_BARRIER on the MEM.
8689 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8691 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8694 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8696 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8699 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8701 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8702 * regrename.c: Ditto.
8703 * tree-ssa-loop-im.c: Ditto.
8704 * tree-dump.c: Ditto.
8705 * tree-complex.c: Ditto.
8706 * genrecog.c: Ditto.
8707 * tree-ssa-threadupdate.c: Ditto.
8709 * java/class.c: Ditto.
8710 * java/jcf-parse.c: Ditto.
8711 * java/resource.c: Ditto.
8712 * java/except.c: Ditto.
8713 * java/jvspec.c: Ditto.
8714 * java/jcf-write.c: Ditto.
8715 * java/jcf-path.c: Ditto.
8716 * java/gjavah.c: Ditto.
8717 * java/zextract.c: Ditto.
8718 * java/jcf-io.c: Ditto.
8719 * java/jcf.h: Ditto.
8720 * java/buffer.c: Ditto.
8721 * java/lang.c: Ditto.
8722 * java/parse-scan.y: Ditto.
8723 * java/lex.c: Ditto.
8724 * java/lex.h: Ditto.
8725 * cfgloopmanip.c: Ditto.
8726 * postreload-gcse.c: Ditto.
8727 * tree-ssa-loop-manip.c: Ditto.
8728 * postreload.c: Ditto.
8729 * tree-ssa-loop-ch.c: Ditto.
8733 * diagnostic.c: Ditto.
8735 * genoutput.c: Ditto.
8737 * cfghooks.c: Ditto.
8738 * cfgloopanal.c: Ditto.
8739 * objc/objc-act.c: Ditto.
8741 * genextract.c: Ditto.
8742 * genautomata.c: Ditto.
8743 * pretty-print.c: Ditto.
8745 * cgraphunit.c: Ditto.
8748 * haifa-sched.c: Ditto.
8749 * dominance.c: Ditto.
8751 * tree-ssa-loop-ivopts.c: Ditto.
8753 * mode-switching.c: Ditto.
8754 * modulo-sched.c: Ditto.
8756 * ipa-pure-const.c: Ditto.
8758 * fix-header.c: Ditto.
8760 * tree-stdarg.c: Ditto.
8761 * ipa-utils.c: Ditto.
8762 * loop-init.c: Ditto.
8763 * ipa-inline.c: Ditto.
8766 * alloc-pool.c: Ditto.
8767 * dwarf2out.c: Ditto.
8769 * genattrtab.c: Ditto.
8770 * tree-ssa-loop-ivcanon.c: Ditto.
8774 * fortran/gfortranspec.c: Ditto.
8776 * local-alloc.c: Ditto.
8777 * langhooks.c: Ditto.
8778 * function.c: Ditto.
8779 * tree-vectorizer.c: Ditto.
8781 * ipa-type-escape.c: Ditto.
8783 * tree-if-conv.c: Ditto.
8786 * tree-data-ref.c: Ditto.
8787 * loop-unroll.c: Ditto.
8788 * treelang/treetree.c: Ditto.
8791 * ggc-common.c: Ditto.
8793 * coverage.c: Ditto.
8795 * tree-cfgcleanup.c: Ditto.
8796 * tree-ssa-pre.c: Ditto.
8797 * cfgcleanup.c: Ditto.
8798 * loop-invariant.c: Ditto.
8800 * ipa-prop.c: Ditto.
8801 * print-tree.c: Ditto.
8802 * conflict.c: Ditto.
8803 * ggc-page.c: Ditto.
8804 * sched-deps.c: Ditto.
8805 * regclass.c: Ditto.
8806 * tree-object-size.c: Ditto.
8808 * bb-reorder.c: Ditto.
8809 * resource.c: Ditto.
8810 * var-tracking.c: Ditto.
8812 * df-problems.c: Ditto.
8813 * reg-stack.c: Ditto.
8816 * sched-rgn.c: Ditto.
8817 * tree-ssa-structalias.c: Ditto.
8818 * tree-ssa-reassoc.c: Ditto.
8819 * config/darwin-c.c: Ditto.
8820 * config/darwin.c: Ditto.
8821 * config/arm/arm.c: Ditto.
8823 * collect2.c: Ditto.
8826 2006-01-31 Nicolas Pitre <nico@cam.org>
8828 * arm.md (smaxsi3): Make aware of smax_m1.
8831 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8833 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8835 2006-01-31 Richard Guenther <rguenther@suse.de>
8837 * doc/invoke.texi (-msselibm): Document.
8838 * target.h (expand_library_builtin): New target hook.
8839 * builtins.c (expand_builtin): Use expand_library_builtin.
8840 (default_expand_library_builtin): New function.
8841 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8842 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8843 (link_gcc_math_spec): Declare.
8844 (static_specs): Add link_gcc_math_spec.
8845 * expr.h (default_expand_library_builtin): Declare.
8846 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8847 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8848 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8849 * config/i386/i386.opt (msselibm): New target option.
8850 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8851 (ix86_init_sse_abi_builtins): New function.
8852 (ix86_expand_library_builtin): Likewise.
8853 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8854 (override_options): Handle error conditions wrt -msselibm.
8855 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8856 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8857 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8860 2006-01-31 Richard Guenther <rguenther@suse.de>
8861 Paolo Bonzini <bonzini@gnu.org>
8863 * doc/install.texi (--disable-libgcc-math): Document.
8865 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8867 * expr.h (expand_normal): new inline function.
8868 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8870 * dwarf2out.c: use it.
8875 * config/sparc/sparc.c: use it.
8876 * config/i386/i386.c: use it.
8877 * config/rs6000/rs6000.c: use it.
8878 * config/arm/arm.c: use it.
8879 * config/mips/mips.c: use it.
8880 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8882 2006-01-30 Roger Sayle <roger@eyesopen.com>
8884 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8885 argv to the appropriate type.
8887 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8889 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8892 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8895 * config/s390/s390.c (struct machine_function): New flag
8896 decomposed_literal_pool_addresses_ok_p.
8897 (s390_reorg): Set it before final stage of literal pool transforms.
8898 (s390_decompose_address): Only accept displacements of the form
8899 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8901 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8903 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8904 the comparison routine return.
8906 2006-01-30 Michael Matz <matz@suse.de>
8908 * global.c (find_reg): Only evict for global regs.
8909 Take n_refs into account and dump more info.
8911 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8914 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8915 (pragma_trap, pragma_nosave_low_regs): Likewise.
8916 (current_function_anonymous_args): Likewise.
8917 (sh_deferred_function_attributes): New variable.
8918 (sh_deferred_function_attributes_tail): Likewise.
8919 (print_operand): For '@', look up trap_exit attribute.
8920 (calc_live_regs): Look up trapa_handler attribute. For trapa
8921 handlers, save/restore fpscr, but don't do any other
8922 interrupt-specific saves.
8923 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8924 Fix check for partially saved registers to check for SHmedia.
8925 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8926 (sh_output_function_epilogue): Don't clear any of the removed
8928 (sh_insert_attributes): Don't check pragma_interrupt.
8929 Insert deferred attributes. Check that interrupt attribute is
8930 present for other attributes that require its presence.
8931 (sh_attribute_table): Add new attributes trapa_handler and
8933 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8934 Don't check for pragma_interrupt. Don't store argument.
8935 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8936 (sh_deferred_function_attributes): Declare.
8937 (sh_deferred_function_attributes_tail): Likewise.
8938 * sh.md (sp_switch_1): Add operand. Change generator caller.
8939 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8940 (*return_i): Don't use when trap_exit attribute is in effect.
8941 (*return_trapa): New insn pattern.
8943 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8944 setting c_target_objs and cxx_target_objs.
8945 * t-sh: Add rule for sh-c.o.
8947 2006-01-30 Richard Guenther <rguenther@suse.de>
8950 * gimplify.c (gimplify_target_expr): Handle easy cases
8951 without creating a temporary.
8953 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8955 * vec.h (safe_grow): Remove duplicated line.
8957 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8960 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8961 (expand_omp): ... here.
8962 (expand_omp_parallel): Only remove barriers for combined
8963 parallel+workshare constructs.
8965 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8969 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8970 * tree.c (build_qualified_type): Chain the new type to the original
8971 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8972 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8973 (build_pointer_type_for_mode): Only return unqualified types.
8974 (build_reference_type_for_mode): Likewise.
8976 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8978 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8979 * Makefile.in (CXX_COMPAT_WARN): Define.
8980 * configure: Regenerate.
8982 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8985 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8988 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8990 * toplev.c: Fix thinko.
8992 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8993 Marcin Dalecki <martin@dalecki.de>
8995 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8996 (push_srcloc): Use XNEW.
8997 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8999 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9001 * df-core.c (df_set_blocks): Deleted all variable.
9003 2006-01-28 Ian Lance Taylor <ian@airs.com>
9005 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9006 cgraph_output_pending_asms.
9008 2006-01-28 Zack Weinberg <zackw@panix.com>
9010 * c.opt: Add -W(no-)overlength-strings.
9011 * doc/invoke.texi: Document it.
9012 * c-opts.c (c_common_handle_option): -pedantic implies
9013 -Woverlength-strings, if not explicitly disabled already.
9014 (c_common_post_options): -Woverlength-strings defaults to off, and
9015 is always off for C++.
9016 * c-common.c (fix_string_type): Issue warning about strings longer
9017 than is portable only if warn_overlength_strings. Rearrange code
9018 a little for clarity.
9019 * configure.in: Check for -Wno-overlength-strings as well before
9020 enabling -pedantic in stage 1.
9021 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9022 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9024 * genconditions.c (write_header, write_one_condition)
9025 (write_conditions, write_writer): Consolidate very long strings
9026 that were broken up to fit in C89 portable limit. Don't use
9027 printf when fputs will do.
9029 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9031 * combine.c (simplify_comparison <AND>): Check
9032 TRULY_NOOP_TRUNCATION before start using a subreg.
9034 * config/mips/mips.md (*branch_zero<mode>,
9035 *branch_zero<mode>_inverted, *branch_equality<mode>,
9036 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9037 Remove mode check from comparisons.
9039 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9041 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9043 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9045 * expmed.c (const_mult_add_overflow_p): Remove.
9046 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9048 * recog.c (validate_replace_rtx_subexp): Remove.
9049 * recog.h: Remove the prototype for
9050 validate_replace_rtx_subexp.
9052 * integrate.h: Remove the prototype for
9053 copy_decl_for_inlining.
9054 * rtl.h: Remove the prototype for mark_constant_function.
9055 * tree-vectorizer.h: Remove the prototype for
9056 vect_strip_conversion.
9058 * modulo-sched.c (create_partial_schedule,
9059 free_partial_schedule, reset_partial_schedule): Make them
9062 * hooks.c (hook_bool_rtx_int_false): Remove.
9063 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9065 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9067 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9068 and -mlong-double-128 are incompatible.
9069 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9070 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9071 (TARGET_LIBGCC2_CFLAGS): Define.
9072 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9073 (TARGET_LIBGCC2_CFLAGS): Same.
9074 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9076 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9079 * c-typeck.c (build_binary_op): Perform implicit casts of
9080 operands before shortening them.
9082 * cfgloopmanip.c (split_loop_bb): Remove.
9083 * cfgloop.h: Remove the prototype for split_loop_bb.
9085 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9086 * cfgloop.h: Remove the prototype for
9087 flow_loop_outside_edge_p.
9089 * emit-rtl.c (init_virtual_regs): Make it static.
9090 * function.h: Remove the prototype for init_virtual_regs.
9092 * recog.c (peephole2_optimize): Make it static.
9093 * recog.h: Remove the prototype for peephole2_optimize.
9095 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9097 * df-scan.c (df_record_entry_block_defs): Check if
9098 INCOMING_RETURN_ADDR_RTX is defined.
9100 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9101 Kenneth Zadeck <zadeck@naturalbridge.com>
9103 PR rtl-optimization/24762
9104 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9105 * targhooks.c (hook_void_bitmap): New hook prototype.
9106 * targhoohs.h (hook_void_bitmap): Ditto.
9107 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9108 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9109 * target.h (live_on_entry): New function pointer.
9110 * df-scan.c (df_all_hard_regs): Removed.
9111 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9112 (df_scan_free_internal): Added df->entry_block_defs.
9113 (df_scan_alloc): Ditto.
9114 (df_scan_dump): Ditto.
9115 (df_uses_record): Plumbed flag field properly thru calls.
9116 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9117 This part fixes PR24762.
9118 (df_bb_refs_record): Added code to make the frame and arg
9119 pointers live in EH blocks.
9120 (df_refs_record): Added call to df_record_entry_block_defs.
9121 (df_record_entry_block_defs): New function.
9122 * df-core.c: Added comments to describe new artifical defs.
9123 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9124 (entry_block_defs): New field in struct df.
9125 (df_all_hard_regs): Deleted.
9126 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9127 * df-problems.c (df_ru_bb_local_compute_process_def):
9128 Added code to handle artifical defs in the entry to a function.
9129 (df_ru_bb_local_compute): Ditto.
9130 (df_rd_bb_local_compute_process_def): Ditto.
9131 (df_rd_bb_local_compute): Ditto.
9132 (df_lr_bb_local_compute): Ditto.
9133 (df_ur_bb_local_compute): Ditto.
9134 (df_urec_bb_local_compute): Ditto.
9135 (df_chain_create_bb): Ditto.
9136 (df_ur_local_finalize): Removed entry.
9137 (df_urec_init): Ditto.
9138 (df_urec_local_finalize): Ditto.
9139 (df_ri_bb_compute): Added detection of last use of pseudos.
9140 * Makefile.in (df-scan.o): Updated dependencies.
9141 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9142 * config/mips/mips.c (mips_set_live_on_entry): Added.
9143 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9145 * dce.c (marked_insn_p): Added code to handle artifical defs.
9147 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9149 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9151 (_mm_cvtsi128_si64): Likewise.
9152 (_mm_cvtsd_si64): Likewise.
9153 (_mm_cvttsd_si64): Likewise.
9154 (_mm_cvtsi64_sd): Likewise.
9155 (_mm_cvtsi64_si128): Likewise.
9156 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9157 (_mm_cvtsi64_m64): Likewise.
9158 (_m_to_int64): Likewise.
9159 (_mm_cvtm64_si64): Likewise.
9160 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9161 (_mm_cvttss_si64): Likewise.
9162 (_mm_cvtsi64_ss): Likewise.
9163 (_mm_cvtss_f32): Likewise.
9165 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9167 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9168 for pragma redefine_extname.
9170 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9173 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9174 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9175 -mno-minimal-toc to previous content.
9176 (bispecs): Remove goal.
9177 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9178 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9179 compatibility aliases on powerpc-*-*gnu*.
9180 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9181 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9182 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9183 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9184 (ldblspecs): New goal.
9185 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9186 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9188 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9189 L_sf_to_tf or L_df_to_tf is defined.
9191 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9192 Alan Modra <amodra@bigpond.net.au>
9195 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9196 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9197 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9198 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9199 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9200 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9201 (rs6000_override_options): Initialize rs6000_ieeequad.
9202 Initialize TFmode format to ibm_extended_format if not
9204 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9206 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9207 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9208 (function_arg_advance): IBM long double passed in two FPRs, not
9210 (function_arg): IBM long double passed in FPRs.
9211 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9212 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9213 Only multireg GPR aligned.
9214 (rs6000_init_libfuncs): Enable IBM long double functions if not
9216 (rs6000_generate_compare): Use IBM long double compare if not
9218 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9219 (TARGET_IEEEQUAD): Define.
9220 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9221 not TARGET_IEEEQUAD.
9222 * config/rs6000/rs6000.md: Enable TFmode patterns if
9224 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9225 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9226 and -mlong-double-128 are incompatible.
9227 * doc/invoke.texi (-mabi): Collect options together. Add
9228 ibmlongdouble and ieeelongdouble.
9230 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9232 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9234 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9235 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9236 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9237 * rtl.h (rtunion_def): Remove rt_ptr.
9239 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9240 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9241 * config/i386/winnt.c (i386_pe_mark_dllexport)
9242 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9244 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9246 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9248 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9252 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9253 pthread_key_delete. From John David Anglin. gthrw-ify
9254 pthread_getunique_np only if it it's not a macro. Delete
9256 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9257 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9258 __gthread_objc_condition_signal, __gthread_key_delete): Add
9259 "__attribute__ ((__unused__))" to unused arguments.
9260 (__gthread_recursive_mutex_init_function): Add missing return.
9261 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9262 gthr-posix95.h: Use macro-based approach for name redirection
9263 on targets missing weakref.
9265 2006-01-26 Zack Weinberg <zackw@panix.com>
9267 * genconditions.c (write_header): In generated code, #ifdef out
9268 all includes and fake declarations, except includes of bconfig.h
9269 and system.h, unless GCC_VERSION >= 3001. Do not include
9270 gensupport.h in any case.
9271 (write_conditions): Generate a definition of struct c_test. Add
9272 a comment to the generated #endif.
9273 (write_one_condition): Escape backslashes in string too.
9274 (write_writer): Generated code must escape backslashes and quote
9275 marks (but not newlines) in the strings it writes.
9276 * Makefile.in (build/gencondmd.o): Update dependencies.
9278 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9281 * Makefile.in (insn-automata.o): Add header file dependencies.
9282 * genautomata.c: Add includes.
9284 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9287 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9289 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9291 * configure.ac: Expect target tools paths to be passed from the toplevel
9292 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9294 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9296 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9299 * c.opt (Wpointer-sign): Init to -1.
9300 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9301 OPT_pedantic, to 0 otherwise.
9302 * doc/invoke.texi: Update.
9304 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9306 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9307 constants provided by 80387 instructions in the destination mode.
9309 2006-01-26 Richard Guenther <rguenther@suse.de>
9310 Andrew Pinski <pinskia@physics.uc.edu>
9313 partial PR tree-opt/17064
9314 * tree-ssa-structalias.c (intra_create_variable_infos):
9315 Create heap variables for incoming parameters if
9316 flag_argument_noalias > 1.
9317 (find_what_p_points_to): Look through default defs of
9320 2006-01-26 Jeff Law <law@redhat.com>
9323 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9324 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9325 within the VR_RANGE, use the VR_RANGE as the result, not the
9327 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9328 bounds for the type.
9330 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9332 * tree-ssa-alias.c (maybe_create_global_var): Change
9333 subvar walking to an assertion that we don't have subvar'd variables.
9335 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9338 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9339 Use a new variable, inner. PARM_DECLs are always non-weak.
9341 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9343 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9346 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
9348 * config/mips/mips.md (*clear_upper32): New combiner pattern.
9350 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
9352 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
9353 (smax_insn, smin_insn, smax_0, smin_0): New.
9355 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
9358 * config/cris/cris.c (cris_order_for_addsi3): New function.
9359 * config/cris/cris-protos.h: Prototype it.
9360 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
9361 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
9362 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
9363 (split for "op.S1 [rx=rx+i],ry (swapped)")
9364 (split for "op(s|u).S1 [rx=rx+i],ry")
9365 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
9366 Apply cris_order_for_addsi3 when generating addsi3 insns.
9368 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9370 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
9371 (TREE_BLOCK): Add call to EXPR_CHECK.
9373 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9376 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
9377 * tree-pretty-print.c (dump_omp_clause): Extract from ...
9378 (dump_omp_clauses): ... here.
9379 (dump_generic_node): Handle OMP_CLAUSE.
9380 * tree.c (omp_clause_num_ops): New.
9381 (omp_clause_code_name): New.
9382 (tree_code_size): Handle OMP_CLAUSE.
9383 (tree_size): Likewise.
9384 (make_node): Document handling of OMP_CLAUSE.
9385 (tree_node_structure): Handle OMP_CLAUSE.
9386 (omp_clause_check_failed): New.
9387 (omp_clause_range_check_failed): New.
9388 (omp_clause_operand_check_failed): New.
9389 (build_omp_clause): New.
9390 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
9391 * tree.h (enum omp_clause_code): Declare.
9392 (OMP_CLAUSE_SUBCODE_CHECK): Define.
9393 (OMP_CLAUSE_RANGE_CHECK): Define.
9394 (OMP_CLAUSE_ELT_CHECK): Define.
9395 (omp_clause_check_failed): Declare.
9396 (omp_clause_operand_check_failed): Declare.
9397 (omp_clause_range_check_failed): Declare.
9398 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
9399 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
9400 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
9401 (OMP_CLAUSE_LASTPRIVATE): Likewise.
9402 (OMP_CLAUSE_IF_EXPR): Likewise.
9403 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
9404 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
9405 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
9406 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
9407 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
9408 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
9409 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
9410 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
9411 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
9412 (OMP_CLAUSE_CODE): Define.
9413 (OMP_CLAUSE_SET_CODE): Define.
9414 (OMP_CLAUSE_CODE): Define.
9415 (OMP_CLAUSE_OPERAND): Define.
9416 (struct tree_omp_clause): Declare.
9417 (union tree_node): Add field 'omp_clause'.
9418 * treestruct.def (TS_OMP_CLAUSE): Define.
9419 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
9420 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
9421 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
9422 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
9423 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
9424 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
9425 (OMP_CLAUSE): Define.
9426 * print-tree.c (print_node): Handle OMP_CLAUSE.
9427 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
9428 * c-typeck.c: Likewise.
9429 * gimplify.c: Likewise.
9430 * c-omp.c: Likewise.
9431 * tree-nested.c: Likewise.
9432 * tree-inline.c: Likewise.
9433 * c-parser.c: Likewise.
9434 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
9437 2006-01-25 Roger Sayle <roger@eyesopen.com>
9439 PR rtl-optimization/25703
9440 * combine.c (try_combine): Handle zero_extract and strict_low_part
9441 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
9443 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
9445 * global.c: Fix comment typos.
9447 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
9450 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
9451 Use output_addr_const instead of assemble_name.
9453 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
9455 * Makefile.in (sched-vis.o): Update dependencies.
9456 * haifa-sched.c (sched_finish): Clear current_sched_info.
9457 * cfg.c (dump_bb_info): New, split from dump_flow_info.
9458 (dump_flow_info): Call it.
9459 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
9461 * basic-block.h (dump_bb_info): Declare.
9462 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
9463 option, and apply options only for dump files whose TDF_RTL,
9464 TDF_TREE, or TDF_IPA bits match.
9465 * rtl.h: Declare new functions exported from sched-vis.c.
9466 * sched-vis.c: Enable also if scheduling is not used.
9467 (print_value): Print the mode of registers if not inside scheduling.
9468 (print_insn): Make it work outside the scheduler. Beautify the output
9470 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
9472 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9474 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
9475 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
9476 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
9477 depending on the value of CONSTANT_POOL_ADDRESS_P.
9478 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
9480 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
9481 rather than SYMBOL_REF_DECL.
9482 (rtx_constant_pool): Remove const_rtx_sym_htab.
9483 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
9484 (init_varasm_status): Don't initialize const_rtx_sym_htab.
9485 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
9486 Remove handling of const_rtx_sym_htab.
9487 (find_pool_constant): Delete.
9488 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
9489 rather than find_pool_constant.
9490 (get_pool_constant_for_function): Delete.
9491 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
9493 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
9494 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
9495 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
9496 (SYMBOL_REF_CONSTANT): New macro.
9497 (get_pool_constant_for_function): Delete.
9498 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
9499 rather than SYMBOL_REF_DECL.
9500 (i386_pe_mark_dllimport): Likewise.
9501 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
9502 rather than SYMBOL_REF_DECL.
9503 * config/darwin.c (machopic_indirect_data_reference): Likewise.
9504 (machopic_indirect_call_target): Likewise.
9506 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
9508 * flow.c (delete_noop_moves): Add missing EOL to dump message.
9510 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9512 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
9514 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
9516 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
9518 2006-01-24 David Daney <ddaney@avtrex.com>
9521 * configure.ac (enable_tls): New enable option.
9522 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
9523 * configure: Regenerate.
9524 * doc/install.texi (--enable-tls): Document new option.
9525 (--disable-tls): Ditto.
9527 2006-01-24 Richard Henderson <rth@redehat.com>
9529 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
9530 * alias.c (true_dependence): Respect it.
9531 (canon_true_dependence, write_dependence_p): Likewise.
9532 * builtins.c (get_builtin_sync_mem): Set it.
9534 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
9536 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
9539 2006-01-24 DJ Delorie <dj@redhat.com>
9541 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
9542 for storing constants in single-bit bitfields.
9544 2006-01-25 Ben Elliston <bje@au.ibm.com>
9546 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
9548 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
9551 * tree-ssa-pre.c (phi_translate): Return NULL
9552 for AGGREGATE_TYPE's.
9554 2006-01-24 Zack Weinberg <zackw@panix.com>
9556 * genautomata.c (process_state_for_insn_equiv_partition):
9557 Use xcalloc for insn_arcs_array.
9558 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
9559 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
9561 2006-01-24 Richard Henderson <rth@redhat.com>
9563 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
9566 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
9568 PR rtl-optimization/25890
9569 PR rtl-optimization/25905
9570 * combine.c (expand_compound_operation, expand_field_assignment):
9571 Fail if the bitfield's final position is out of bounds.
9573 2006-01-24 Ian Lance Taylor <ian@airs.com>
9576 * cgraphunit.c (cgraph_output_in_order): Don't clear
9577 cgraph_asm_nodes until after asm strings have been output.
9579 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9581 * fix-header.c (read_scan_file): Add new parameter imultilib when
9582 calling register_include_chains.
9584 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9586 * omp-low.c: Update documentation.
9588 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9589 Daniel Berlin <dberlin@dberlin.org>
9593 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
9594 return from the function.
9596 2006-01-22 Zack Weinberg <zackw@panix.com>
9598 * rtl.def (match_code): Add second argument.
9599 * genpreds.c (write_extract_subexp): New function.
9600 (write_match_code): Add path argument. Use write_extract_subexp.
9601 (write_predicate_expr): Pass path to write_match_code.
9602 (mark_mode_tests): MATCH_CODE applied to a subexpression does
9603 not perform a mode test.
9604 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
9605 a subexpression does not constrain the top-level code set.
9606 * read-rtl.c (read_rtx_variadic): New function.
9607 (read_rtx_1): Use it; allow AND and IOR to be variadic.
9608 * doc/md.texi: Document new notation.
9609 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
9610 (cmpsi_operand): ... here, using new notation.
9612 2006-01-22 Zack Weinberg <zackw@panix.com>
9614 * varray.c: Remove GENERATOR_FILE #ifdefs.
9616 2006-01-22 Zack Weinberg <zackw@panix.com>
9618 * genautomata.c (output_reserved_units_table): Emit nothing if
9619 description->query_units_num is zero. Remove extra blank line.
9620 (output_cpu_unit_reservation_p): Short circuit
9621 if description->query_units_num is zero.
9623 2006-01-22 Zack Weinberg <zackw@panix.com>
9625 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
9626 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
9627 nor any of the random handful of variables that used to be necessary
9628 when this program was linked with rtlanal.o. Prune set of forward
9629 function declarations.
9630 (struct attr_desc): Remove static_p field.
9631 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
9632 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
9633 (attr_string): Do not read the character one past the length of
9635 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
9636 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
9637 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
9638 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
9639 (make_automaton_attrs): New.
9640 (main): Do not call into genautomata. Call local gen_bypass
9641 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
9642 Remove special case for insn_alts.
9643 * genautomata.c: Include gensupport.h; not genattrtab.h nor
9644 varray.h (leftover from previous change). Prune set of forward
9645 function declarations. Remove state_alts fields from all
9646 structures. Remove state_alts_table from struct automaton.
9647 Make everything except main static. Do not maintain num_dfa_decls.
9648 Do not maintain state_alts fields of various structures.
9649 (process_decls): Don't validate condexp for dm_insn_reserv decls.
9650 (add_arc): Remove state_alts argument. All callers updated.
9651 (output_reserved_units_table): Emit #ifdef here...
9652 (output_tables): ...not here. Don't generate state_alts tables.
9653 (expand_automata): Don't generate attributes.
9654 (write_automata): Don't generate state_alts functions.
9655 (main): New function.
9656 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
9657 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
9658 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
9659 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
9660 (BYPASS_P_FUNC_NAME, output_state_alts_table)
9661 (output_automata_list_state_alts_code, output_internal_state_alts_func)
9662 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
9663 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
9665 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
9666 * genattrtab.h: Delete file.
9667 * Makefile.in (OBJS-common): Add insn-automata.o.
9668 (insn-automata.o): New rule.
9669 (simple_generated_c): Add insn-automata.c.
9670 (build/genattrtab.o, build/genautomata.o): Update dependencies.
9671 (genprogmd): Add automata.
9672 (build/genattrtab): Needs no extra objects nor libraries.
9673 (build/genautomata): Needs build/vec.o and -lm.
9675 2006-01-22 Zack Weinberg <zackw@panix.com>
9677 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
9678 (output_dfa_max_issue_rate, locked_states_num): Delete.
9679 (struct automaton): Add locked_states field.
9680 (output_dead_lock_vect): Save number of locked states in
9681 automaton->locked_states. If it is zero, don't print anything.
9682 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9683 (output_internal_dead_lock_func): Only test the dead_lock_vect
9684 for automata that have locked states.
9685 (output_statistics): Always print the number of locked states for
9686 each automaton. Calculate total number of locked states here.
9687 (write_automata): Don't call output_dfa_max_issue_rate.
9688 * genattrtab.c: Define length_unit_log as a const variable.
9689 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9690 max_insn_queue_index const.
9691 * final.c (length_unit_log): Declare const.
9692 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9694 2006-01-22 Zack Weinberg <zackw@panix.com>
9696 * genautomata.c: Include vec.h, not varray.h.
9697 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9698 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9699 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9700 VEC_* macros operating on appropriately typed vectors, or to
9701 malloced arrays when the size is known in advance. Const-ify
9702 many char* variables and function arguments. No functional changes.
9703 * Makefile.in (build/varray.o): Delete rule.
9704 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9705 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9707 2006-01-22 Zack Weinberg <zackw@panix.com>
9709 * gensupport.c: Define get_insn_name and record_insn_name here.
9710 (read_md_rtx): Call record_insn_name as appropriate.
9711 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9712 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9713 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9715 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9716 (BUILD_VARRAY): Delete.
9717 (genprognormal): Rename genprogmd. Fold in all programs from
9718 genprognoprint; also attrtab.
9719 (build/genattrtab): Just mention genautomata.o and varray.o.
9720 Reorganize a bit, add comments to make the categories clearer.
9722 2006-01-22 Zack Weinberg <zackw@panix.com>
9724 * genconditions.c (condition_table, add_condition): Delete.
9725 (write_conditions): Don't emit n_insn_conditions nor
9726 insn_elision_unavailable. Issue the gcc version #ifdef here,
9727 inside the table, with no #else clause ...
9728 (write_header): ...not here.
9729 (write_writer): New function.
9730 (main): Don't initialize condition_table. Use add_c_test.
9732 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9733 files on the command line.
9734 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9735 Return -1 if there is no entry in the table, don't abort.
9736 (add_c_test, traverse_c_tests): New functions.
9737 * gensupport.h (insn_elision_unavailable, insn_conditions)
9738 (n_insn_conditions): Delete declarations.
9739 (add_c_test, traverse_c_tests): Declare.
9740 * read-rtl.c: Include gensupport.h.
9741 (read_conditions): New function.
9742 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9743 (read_rtx_1): If we get EOF when we were looking for an initial
9744 open paren, return 0. Call read_conditions when appropriate.
9745 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9746 dummy-conditions.o. Eliminate references to insn-conditions.o,
9747 or change them to build/gencondmd.o, as appropriate. Remove
9748 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9749 from $(simple_generated_c). For all files remaining in those
9750 two lists, add insn-conditions.md to the generator command line.
9751 Give insn-constants.h/s-constants their own rules. Add rules
9752 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9753 (build/read-rtl.o): Depend on gensupport.h.
9754 (genprognormal): Include preds.
9755 (genprogearly): Rename genprognoprint; only difference is now that
9756 they don't link with $(BUILD_PRINT).
9757 * dummy-conditions.c: Delete.
9759 2006-01-22 Zack Weinberg <zackw@panix.com>
9761 * genextract.c: Don't include insn-config.h. Do include vec.h.
9762 Declare vectors of int, char, and locstr.
9763 (locstr): New typedef.
9764 (struct extraction): Make all array fields into bare pointers.
9765 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9766 (insn_code_number): Delete.
9767 (accum_extract): New struct.
9768 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9769 (gen_insn): Take insn_code_number as an argument. Use an
9770 accum_extract structure instead of loading data directly into
9771 a struct extraction, and having to know how big it might get.
9772 (walk_rtx): Operate entirely on an accum_extract structure.
9773 (print_path): Avoid unnecessary use of printf.
9774 (print_header): New function, split out of main. Distinguish
9775 more carefully between an unrecognizable insn and an insn that
9776 has the code number of a define_expand.
9777 (main): Pass insn_code_number to gen_insn. Call print_header
9778 only after parsing. Avoid unnecessary use of printf.
9779 * Makefile.in (build/vec.o): New rule.
9780 (build/genextract): Depend on build/vec.o.
9781 (build/genextract.o): Don't depend on insn-config.h.
9783 2006-01-22 Zack Weinberg <zackw@panix.com>
9785 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9786 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9787 practical. Eliminate per-generator-program link rules.
9789 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9792 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9793 with a call expr to ...
9794 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9796 2006-01-23 Richard Guenther <rguenther@suse.de>
9798 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9799 before make_edge with conditional EDGE_TRUE_VALUE.
9801 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9802 Jan Hubicka <jh@suse.cz>
9803 Richard Guenther <rguenther@suse.de>
9805 PR rtl-optimization/25654
9806 * cfgexpand.c (aggregate_contains_union_type): New function.
9807 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9808 for structure variables that contain a union type.
9810 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9812 * gengtype.c (new_structure): Return the structure.
9813 (create_option): Add an extra "next" argument.
9814 (create_field): New function.
9815 (adjust_field_rtx_def): Use create_option and create_field.
9816 Remove a now-unnecessary call to find_structure.
9817 (adjust_field_tree_def): Likewise.
9818 (note_yacc_type): Remove an unnecessary call to find_structure.
9819 * gengtype.h (new_structure): Return the structure.
9820 (create_option): Add an extra argument.
9821 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9822 (option): Adjust calls to create_option.
9824 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9826 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9828 2006-01-22 Paul Brook <paul@codesourcery.com>
9829 Peter Barada <peter@the-baradas.com>
9831 * config/m68k/m68k.md: Add Coldfire FPU support.
9832 Define FP mode macro and associated attributes.
9833 Use it for float mode patterns.
9834 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9835 (LIBCALL_VALUE): Use m68k_libcall_value.
9836 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9837 (m68k_function_value): Ditto.
9838 (emit_move_sequence): Ditto.
9839 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9840 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9841 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9842 (MULTILIB_EXCEPTIONS): Ditto.
9843 * config/m68k/m68k.opt: Add mcfv4e.
9844 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9845 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9846 (m68k_output_function_prologue): Save ColdFire FPU registers.
9847 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9848 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9849 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9850 ColdFire FPU registers.
9851 (m68k_libcall_value, m68k_function_value): New functions.
9852 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9853 (LIBCALL_VALUE): Use m68k_libcall_value.
9854 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9855 (MASK_COLDFIRE): Add MASK_CFV4E.
9856 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9857 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9858 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9859 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9860 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9861 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9862 * doc/invoke.tex: Document -mcfv4e on m68k.
9864 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9866 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9869 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9872 * c-opts.c (c_common_handle_option): Don't include
9873 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9874 * doc/invoke.texi (C++ Dialect Options): Document that
9875 -Wnon-virtual-dtor is no longer included in -Wall.
9877 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9879 * gcov.c (print_version), gcov-dump.c (print_version),
9880 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9883 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9885 * df-scan.c (problem_SCAN): Added NULL reset function.
9886 (df_scan_reset_blocks): Added code to call reset block function
9887 (df_bb_refs_delete) Fixed comment.
9888 (df_insn_refs_delete): Made tolerant of deleting non existent info
9889 for dataflow problems that need to be reset.
9890 * df-core.c (df_set_blocks): Ditto.
9891 * df.h (struct df_problem): Added reset_fun.
9892 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9893 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9894 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9895 functions to clear out all references to def-use or use-def chains.
9897 2006-01-21 Ben Elliston <bje@au.ibm.com>
9899 * varasm.c (assemble_real): Initialise data array.
9901 2006-01-20 Paul Brook <paul@codesourcery.com>
9903 Merge from csl-arm-branch.
9904 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9905 * config/arm/arm.md (movdi): Force operands[1] to a register
9906 if we have a non-register source.
9907 (*arm_movdi, *movdf_soft_insn): Require that one of the
9908 operands be a register.
9909 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9910 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9912 2006-01-20 DJ Delorie <dj@redhat.com>
9914 * varasm.c (initialize_constant_valid_p): Allow pointers
9915 initialized from integer constants of lesser precision.
9916 (output_constant): Allow non-int-sized pointer modes to be
9917 initialized from integer constants.
9919 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9922 * cppdefault.h (struct default_include): Add multilib flag.
9923 * cppdefault.c (cpp_include_defaults): Set it.
9924 * c.opt (-imultilib): New option.
9925 * c-opts.c (imultilib): New.
9926 (c_common_handle_option): Handle -imultilib.
9927 (c_common_post_options): Likewise.
9928 * c-incpath.c (add_standard_paths, register_include_chains):
9930 * c-incpath.h (register_include_chains): Add extra parameter.
9931 * gcc.c (do_spec_1): Generate -imultilib option.
9932 (The Specs Language): Update %I description.
9933 (process_command): Update copyright notice.
9934 * doc/cppopts.texi (-imultilib): Document.
9935 * doc/invoke.texi (-imultilib): Include in option summary.
9936 (%I): Update specs documentation.
9938 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9940 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9942 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9944 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9947 2006-01-20 Richard Guenther <rguenther@suse.de>
9948 Steven Bosscher <stevenb.gcc@gmail.com>
9950 PR rtl-optimization/24626
9951 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9952 EDGE_TRUE_VALUE if in RTL mode.
9955 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9956 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9958 2006-01-20 Dirk Mueller <dmueller@suse.com>
9961 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9962 instead of a special NOP marker.
9963 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9964 NOP marker handling.
9965 * c-common.h (empty_body_warning): Add forward declaration.
9966 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9967 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9969 2006-01-20 Paul Brook <paul@codesourcery.com>
9971 * Makefile.in (lang_checks): Keep going if mkdir fails.
9973 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9975 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9976 be able to clean out basic block when not necessary.
9977 (df_scan_free): Fixed to properly delete information if df is
9978 unused before calling df_finish.
9979 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9980 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9982 (df_bb_refs_delete): New function.
9983 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9984 * df-core.c (df_set_blocks): Added code to properly clean out
9985 unused blocks if they are not part of the blocks to consider.
9986 Added additional null check.
9987 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9988 be able to clean out basic block when not necessary
9989 * df.h (df_free_bb_function): Ditto.
9990 (df_bb_refs_delete): New function.
9991 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9992 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9993 basic block parameter to be able to clean out basic block when not
9995 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9996 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9997 Fixed to properly delete information if df is unused before
10000 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10002 PR rtl-optimization/25799
10003 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10004 Corrected confluence operator to remove bits from op2 before oring
10005 with op1 rather than removing bits from op1.
10006 (df_ru_transfer_function): Corrected test on wrong bitmap which
10007 caused infinite loop. Both of these problems were introduced in
10008 the dataflow rewrite.
10010 2006-01-19 DJ Delorie <dj@redhat.com>
10012 * reload1.c (find_reload_regs): Note the details of reload
10013 failures in the dump file.
10014 (spill_failure): Likewise.
10016 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10018 * loop-iv.c: Include df.h and hashtab.h.
10019 (enum iv_grd_result): New enum.
10020 (DF_REF_IV, DF_REF_IV_SET): New macros.
10021 (struct biv_entry): New.
10022 (df, bivs): New global variables.
10023 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10024 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10026 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10027 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10028 analyzed_for_bivness_p, record_biv): New functions.
10029 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10030 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10031 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10033 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10035 (iv_number_of_iterations): Use new interface to iv analysis.
10036 * loop-unroll.c: Do not include varray.h.
10037 (analyze_iv_to_split_insn): Use new interface to iv
10039 * loop-unswitch.c (may_unswitch_on): Ditto.
10040 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10042 (df_bb_modify): Realloc tables to the new index.
10043 (df_find_use): New function.
10044 * df.h (df_find_use): Declare.
10045 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10047 * cfgloop.h (struct rtx_iv): Remove analysed field.
10048 (iv_get_reaching_def): Removed.
10049 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10050 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10051 (loop-iv.o): Add df.h and hashtab.h dependency.
10052 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10054 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10057 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10059 (__floatundisf, __floatundidf): Likewise.
10060 * libgcc2.h (IS_IBM_EXTENDED): Define.
10062 2006-01-19 DJ Delorie <dj@redhat.com>
10064 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10066 2006-01-19 Paul Brook <paul@codesourcery.com>
10068 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10069 as nothrow when unwinding tables are disabled.
10071 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10074 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10075 of bit-field" when in system header.
10077 2006-01-19 DJ Delorie <dj@redhat.com>
10079 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10080 the 16 bit shift limit of the m16c.
10082 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10085 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10086 * config/i386/i386.c (output_set_got): Output the label if we have one
10087 for the TARGET_DEEP_BRANCH_PREDICTION case.
10089 2006-01-19 Jan Hubicka <jh@suse.cz>
10090 H.J. Lu <hongjiu.lu@intel.com>
10091 Evandro Menezes <evandro.menezes@amd.com>
10093 * invoke.texi (generic): Document
10095 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10096 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10097 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10098 (x86_use_incdec, x86_pad_returns): New variables
10099 (TARGET_CPU_DEFAULT_generic): New constant
10100 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10101 (enum processor_type): Add generic32 and generic64.
10102 * i386.md (cpu attribute): Add generic32/generic64
10103 (movhi splitter): Behave sanely when both partial_reg_dependency and
10104 partial_reg_stall are set.
10105 (K8 splitters): Enable for generic as well.
10106 * predicates.md (incdec_operand): Use TARGET_INCDEC
10107 (aligned_operand): Avoid memory mismatch stalls.
10108 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10109 * ppro.md: Enable for generic32
10110 * i386.c (generic64_cost, generic32_cost): New.
10111 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10112 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10113 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10114 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10115 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10116 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10117 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10118 x86_accumulate_outgoing_args, x86_prologue_using_move,
10119 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10120 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10121 Enable for generic.
10122 (x86_use_incdec, x86_pad_returns): New.
10123 (override_options): Add generic32 and generic64, translate "generic"
10124 to generic32/generic64 and "i686" to "generic32", refuse
10125 "generic32"/"generic64" as arch target.
10126 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10127 (ix86_reorg): Honor PAD_RETURNS.
10129 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10131 * tree-pretty-print.c (dump_generic_node): Handle
10132 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10133 * cgraph.c (cgraph_expand_queue): Rename from
10134 cgraph_analyze_queue. Update all users.
10135 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10136 cgraph_expand_queue.
10137 (cgraph_expand_all_functions): Likewise.
10138 (cgraph_finalize_pending_functions): Remove. Update callers.
10140 * tree.h (OMP_DIRECTIVE_P): Define.
10141 (OMP_PARALLEL_FN): Define.
10142 (OMP_PARALLEL_DATA_ARG): Define.
10143 (OMP_SECTIONS_SECTIONS): Define.
10144 * tree-pass.h (pass_expand_omp): Declare.
10145 * omp-low.c (struct omp_region): Declare.
10146 (struct omp_context): Remove fields 'parallel_type',
10147 'parallel_start_ix' and 'parallel_start_additional_args'.
10149 (struct omp_for_data): Rename from struct expand_omp_for_data.
10150 (omp_regions): New static variable.
10151 (root_omp_region): New static variable.
10152 (find_omp_clause): Make static.
10153 (is_in_combined_parallel_ctx): Remove.
10154 (is_combined_parallel): New.
10155 (extract_omp_for_data): Move earlier in the file.
10156 (workshare_safe_to_combine_p): New.
10157 (get_ws_args_for): New.
10158 (determine_parallel_type): Move earlier in the file.
10159 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10161 (omp_copy_decl): Likewise.
10162 (create_omp_child_function): Likewise.
10163 (lookup_omp_region): New.
10164 (dump_omp_region): New.
10165 (debug_omp_region): New.
10166 (debug_all_omp_regions): New.
10167 (new_omp_region): New.
10168 (scan_omp_parallel): If parallel_nesting_level > 1, the
10169 directive is nested within another parallel directive.
10170 Set OMP_PARALLEL_FN.
10171 (scan_omp_for): Do not try to handle combined parallel+for
10173 Remove FIXME comment.
10174 (scan_omp_nested): Remove.
10175 (scan_omp_1): Do not call scan_omp_nested when
10176 parallel_nesting_level is > 1.
10177 Do not change the DECL_CONTEXT of local variables found.
10178 (lookup_decl_in_outer_ctx): New.
10179 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10180 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10181 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10182 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10183 If CTX is nested, lookup VAR in the outer context when
10184 building copy assignment.
10185 (lower_send_clauses): Rename from expand_send_clauses.
10186 If CTX is nested, lookup VAR in the outer context when
10187 building copy assignments.
10188 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10189 If CTX is nested, lookup VAR in the outer context when
10190 building copy assignments.
10191 (expand_parallel_call): Rename from build_parallel_call.
10192 Handle combined parallel+workshare cases.
10193 Re-implement to emit code into the CFG.
10195 (expand_omp_parallel): Re-implement to emit code into the CFG.
10196 Call move_sese_region_to_fn to outline the sub-graph
10197 containing the parallel region.
10198 (expand_omp_for_1): Remove.
10199 (expand_omp_for_generic): Re-implement to emit code into the
10201 (expand_omp_for_static_nochunk): Likewise.
10202 (expand_omp_for_static_chunk): Likewise.
10203 (expand_omp_for): Likewise.
10204 (expand_omp_sections): Likewise.
10205 (remove_exit_barriers): New.
10206 (expand_omp_synch): New.
10208 (build_omp_regions_1): New.
10209 (build_omp_regions): New.
10210 (execute_expand_omp): New.
10211 (gate_expand_omp): New.
10212 (pass_expand_omp): Define.
10213 (lower_omp_sections): Rename from expand_omp_sections.
10214 Set OMP_SECTIONS_SECTIONS.
10215 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10216 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10217 (lower_omp_single): Rename from expand_omp_simple.
10218 (lower_omp_master): Rename from expand_omp_master.
10219 (lower_omp_ordered): Rename from expand_omp_ordered.
10220 (lower_omp_critical): Rename from expand_omp_critical.
10221 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10222 (lower_omp_for): Re-implement.
10223 (lower_omp_parallel): Re-implement.
10224 (lower_regimplify): Rename from expand_regimplify.
10225 (lower_omp_1): Rename from expand_omp_1.
10226 If there are syntax errors in the program, replace every
10227 OpenMP directive with NOP.
10228 Call lower_omp_* instead of expand_omp_*.
10229 (lower_omp): Rename from expand_omp.
10231 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10232 * tree-gimple.h (enum omp_parallel_type): Remove.
10233 (gimple_boolify): Declare extern.
10234 (find_omp_clause, determine_parallel_type): Remove.
10236 * gimple-low.c (lower_omp_directive): New.
10237 (lower_stmt): Call it.
10238 (record_vars_into): Move from ...
10239 (record_vars): ... here.
10240 Call record_vars_into with current_function_decl.
10242 * gimplify.c (struct gimplify_ctx): Remove fields
10243 combined_pre_p and combined_ctxp. Update users.
10244 (get_formal_tmp_var): Add documentation.
10245 (gimple_boolify): Make extern.
10246 (gimplify_expr_in_ctx): Remove. Update callers.
10247 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10248 will always be a BIND_EXPR.
10249 (gimplify_expr): Handle OMP_RETURN_EXPR.
10250 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10251 (OMP_PARALLEL): Add 3 operands.
10252 (OMP_SECTIONS): Add 1 operand.
10253 (OMP_RETURN_EXPR): Define.
10255 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10256 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10257 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10258 creating a circular free list.
10259 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10261 * tree-flow.h (move_sese_region_to_fn): Declare.
10262 (record_vars_into): Declare.
10263 * tree-cfg.c (make_omp_sections_edges): New.
10264 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10265 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10266 OMP_SECTIONS and OMP_SECTION.
10267 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10268 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10269 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10270 (gather_blocks_in_sese_region): New.
10271 (struct move_stmt_d): Declare.
10272 (move_stmt_r): New.
10273 (move_block_to_fn): New.
10274 (move_sese_region_to_fn): New.
10276 * passes.c (init_optimization_passes): Schedule
10277 pass_expand_omp after pass_init_datastructures.
10279 * tree-ssa-operands.c (get_expr_operands): Handle
10280 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10281 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10283 2006-01-19 Jeff Law <law@redhat.com>
10285 * tree-vrp.c (extract_range_from_assert): Refine the result range
10286 if the variable referenced by the ASSERT_EXPR has a range and
10287 either the tentative result range or the previous range is a
10290 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10292 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10294 2006-01-19 Jan Hubicka <jh@suse.cz>
10296 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10298 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10300 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10301 (expand_compound_operation, expand_field_assignment): Fail if the
10302 bit lengths of an extract operation are out of range.
10303 (make_extraction): Compute wanted_inner_mode based on the position
10304 and length of the extraction. Make it extraction_mode for non-constant
10305 positions, and do not modify offset in that case. When generating a
10306 new MEM, use a mode that can hold the extraction while keeping correct
10307 alignment. Remove code that supported MEMs wrapped by USEs.
10308 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10310 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10312 * config/s390/s390.md ("Y", "y"): New mode attribute.
10313 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10314 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10315 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10316 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10317 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10318 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10319 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10320 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10321 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10322 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10323 "addsi3", "subsi3"): Insn patterns removed.
10324 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10325 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10326 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10327 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10328 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10329 "*sub<mode>3_cconly2"): New insn patterns.
10330 ("addsi3", "subsi3"): New expanders.
10332 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10334 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10335 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10336 existing STMT_VINFO_VECTYPE if available.
10337 (vect_mark_relevant): Add special handling for stmts that are
10338 marked as STMT_VINFO_IN_PATTERN_P.
10339 (vect_analyze_loop): Call vect_pattern_recog.
10340 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10341 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10343 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10344 (vect_recog_func_ptr): New function-pointer type.
10345 * tree-vect-patterns.c: New file.
10346 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
10347 (vect_recog_dot_prod_pattern, vect_pattern_recog):
10348 (vect_pattern_recog_1): New functions.
10349 (vect_pattern_recog_funcs): New array of function pointers.
10351 * tree-vectorizer.h (ternary_op): New enum value.
10352 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
10353 declaration. Revised documentation. Removed redundant dump prints.
10354 Removed redundant argument. Added support for reduction patterns.
10355 (vectorizable_reduction): Added support for reduction patterns.
10356 (vect_transform_stmt): Added support for patterns.
10358 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
10359 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
10360 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
10361 (expand_widen_pattern_expr): New function.
10362 (init_optabs): Initialize new optabs udot_prod_optab,
10364 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
10365 (sdot_prod_optab, udot_prod_optab): Define new optabs.
10366 (expand_widen_pattern_expr): New function declaration.
10367 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
10369 * tree-inline.c (estimate_num_insns_1): Added cases for new
10370 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10371 * tree-pretty-print.c (dump_generic_node): Likewise.
10372 (op_prio): Likewise.
10373 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10374 * tree-ssa-operands.c (get_expr_operands): Added case for
10376 * tree-vect-patterns.c (widened_name_p): New function.
10377 (vect_recog_dot_prod_pattern): Added function implementation.
10378 * tree-vect-transform.c (get_initial_def_for_reduction): Added
10379 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
10380 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
10381 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
10383 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
10384 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
10385 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
10386 (init_optabs): Initialize new optabs widen_ssum_optab,
10388 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
10389 (widen_ssum_optab, widen_usum_optab): Define new optabs.
10390 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
10391 use instead of type of def.
10392 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
10393 function implementation.
10394 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
10395 widen_ssumv8hi): New.
10397 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
10400 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10403 * c-decl.c (add_flexible_array_elts_to_size): New function.
10404 (finish_decl): Use it.
10406 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
10408 * diagnostic.h: Include options.h.
10409 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
10410 dependancies for diagnostic.h.
10411 * Makefile.in (DIAGNOSTIC_H): Add options.h.
10413 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
10415 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
10416 (ssa_ro_call_cache_valid): Ditto.
10417 * tree-ssa-alias.c (sort_tags_by_id): New function.
10418 (init_transitive_clobber_worklist): Ditto.
10419 (add_to_worklist): Ditto.
10420 (mark_aliases_call_clobbered): Ditto.
10421 (compute_tag_properties): Ditto.
10422 (set_initial_properties): Ditto.
10423 (compute_call_clobbered): Ditto.
10424 (compute_may_aliases): Call compute_call_clobbered and grouping.
10425 (compute_flow_sensitive_aliasing): Remove clobbering related code.
10426 (compute_flow_insensitive_aliasing): Grouping now happens in our
10428 (setup_pointers_and_addressables): Remove clobbering related code.
10429 (add_may_alias): Ditto.
10430 (replace_may_alias): Ditto.
10431 (get_nmt_for): Ditto.
10432 (create_global_var):
10433 (is_escape_site): Return an escape_type enumeration.
10434 * tree-flow-inline.h (is_call_clobbered): Global var does not
10435 imply call clobbered.
10436 (mark_call_clobbered): Take a reason for marking this. Remove
10437 marking of globalness, and cache invalidation.
10438 (clear_call_clobbered): Remove cache invalidation code.
10439 * tree-dfa.c (dump_variable): If details is on, dump the reason
10441 * tree-outof-ssa.c (create_temp): Copy escape mask from original
10443 * tree-flow.h (struct ptr_info_def): Add escape mask member.
10444 (struct var_ann_d): Ditto.
10445 (enum escape_type): New.
10446 (mark_call_clobbered): Adjust prototype.
10447 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
10448 are never call clobbered.
10449 Record reasons for escaping.
10450 * tree-ssa-structalias.h (is_escape_site): Update prototype.
10451 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
10452 (ssa_ro_call_cache_valid): Ditto.
10453 (clobbered_v_may_defs): Ditto.
10454 (clobbered_vuses): Ditto.
10455 (ro_call_vuses): Ditto.
10456 (clobber_stats): New.
10457 (init_ssa_operands): Zero out clobber stats.
10458 (fini_ssa_operands): Print out clobber stats.
10459 (get_call_expr_operands): Pass callee fndecl to
10460 add_call_read_ops).
10461 (add_call_clobber_ops): Remove use of cache.
10462 Add use of PURE_CONST information.
10463 (add_call_read_ops): Remove use of cache.
10464 Add use of static not_read information.
10466 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
10468 Introduce TLS descriptors for i386 and x86_64.
10469 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
10470 (TARGET_ANY_GNU_TLS): New macro.
10471 (enum tls_dialect): Added TLS_DIALECT_GNU2.
10472 (struct machine_function): Add tls_descriptor_call_expanded_p.
10473 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
10474 (ix86_current_function_calls_tls_descriptor): Likewise.
10475 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
10476 (override_options): Introduce gnu2 tls dialect.
10477 (ix86_frame_pointer_required): Functions containing TLSCALLs are
10479 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
10481 (legitimize_tls_address): Adjust logic for GNU2 TLS.
10482 (ix86_init_machine_status): Initialize new field.
10483 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
10484 (ix86_tls_module_base): New.
10485 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
10486 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
10487 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
10488 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
10489 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
10490 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
10491 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
10492 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
10493 * config/i386/predicates.md (tls_modbase_operand): New.
10494 (tp_or_register_operand): New.
10496 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
10498 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
10499 (look_for_address_of): Ditto.
10500 (ipa_init): Walk the function decls.
10501 (static_execute): Don't set readonly on FUNCTION_DECL's.
10503 2006-01-18 Roger Sayle <roger@eyesopen.com>
10505 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
10506 for shifts where the source and destination registers are different.
10508 2006-01-18 Paul Brook <paul@codesourcery.com>
10510 Merge from csl-arm-branch.
10511 2005-03-14 Julian Brown <julian@codesourcery.com>
10512 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
10513 (aeabi_llsl): Likewise.
10514 (ashrdi3): Likewise.
10515 (aeabi_lasr): Likewise.
10516 (lshrdi3): Likewise.
10517 (aeabi_llsr): Likewise.
10518 2005-03-10 Julian Brown <julian@codesourcery.com>
10519 * config.gcc: Disable shared libgcc for SymbianOS.
10520 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
10522 2006-01-18 DJ Delorie <dj@redhat.com>
10524 * c-pragma.c (handle_pragma_diagnostic): New.
10525 (init_pragma): Register it.
10526 * doc/extend.texi: Document it.
10528 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
10529 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
10530 (diagnostic_context): Add classify_diagnostic[].
10531 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
10532 as errors if they're overridden to DK_WARNING.
10533 (diagnostic_initialize): Initialize classify_diagnostic[].
10534 (diagnostic_set_kind_override): New.
10535 (diagnostic_report_diagnostic): Check for kind changes.
10536 * opts.c (common_handle_option): Take lang_mask. Update callers.
10537 Handle OPT_Werror_.
10538 * common.opt (Werror=): New.
10539 * doc/invoke.texi: Document -Werror=*
10541 2006-01-18 Jeff Law <law@redhat.com>
10543 * tree-vrp.c (test_for_singularity): Correct test for new
10544 min limit. Use operand_equal_p rather than pointer equality
10545 for testing if new min/max values are equal.
10547 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
10548 using range information until after propagation and folding.
10550 2006-01-18 Richard Henderson <rth@redhat.com>
10551 Aldy Hernandez <aldyh@redhat.com>
10552 Jakub Jelinek <jakub@redhat.com>
10553 Diego Novillo <dnovillo@redhat.com>
10555 * omp-low.c: New file.
10556 * c-omp.c: New file.
10558 2006-01-18 Richard Henderson <rth@redhat.com>
10559 Jakub Jelinek <jakub@redhat.com>
10560 Diego Novillo <dnovillo@redhat.com>
10562 * doc/invoke.texi: Document -fopenmp.
10563 * tree-dump.h (debug_function): Declare.
10564 * hooks.c (hook_bool_tree_bool_false): New function.
10565 (hook_tree_tree_null): Remove.
10566 (hook_tree_tree_tree_null): New.
10567 * hooks.h: Update to match.
10568 * tree-pretty-print.c (debug_tree_chain): New.
10569 (print_generic_expr): Handle TDF_CHAIN.
10570 (dump_generic_node): Handle BLOCK.
10571 Do not abort with incomplete SWITCH_EXPRs.
10572 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10573 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10574 print space after directive name.
10575 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10576 Handle OMP_MASTER and OMP_ORDERED.
10577 Handle printing of OMP_BODY just in one place, goto
10578 dump_omp_body in the rest of OMP_* nodes that have
10580 Don't handle clause nodes here. Update omp statements to
10581 use dump_omp_clauses.
10582 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10583 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10584 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10585 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10586 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10587 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10588 Adjust output for GOMP_PARALLEL.
10589 (dump_omp_clauses): New.
10590 (print_declaration): Dump DECL_VALUE_EXPR.
10591 (op_symbol_1): Split out of op_symbol.
10592 (dumping_stmts): Remove. Update all users.
10593 * cgraph.c (cgraph_analyze_queue): New.
10594 (cgraph_add_new_function): New.
10595 * cgraph.h (cgraph_analyze_queue): Declare.
10596 (cgraph_add_new_function): Declare.
10597 (cgraph_lower_function): Remove.
10598 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
10599 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
10600 and TYPE_P nodes in its default clause.
10601 (empty_body_p): New.
10602 (tree_range_check_failed): New.
10603 (build5_stat): New.
10604 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
10605 OMP_CLAUSE_REDUCTION_MERGE,
10606 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
10607 OMP_CLAUSE_PRIVATE_DEBUG,
10608 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
10609 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
10610 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
10611 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
10612 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
10613 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
10614 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
10615 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
10616 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
10617 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
10618 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
10619 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
10620 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
10621 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
10622 (TREE_RANGE_CHECK): New.
10623 (empty_body_p): Declare.
10624 (enum omp_clause_default_kind): New.
10625 (build_string_literal): Declare.
10626 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
10627 (build5_stat, build5): Declare.
10628 * tree-pass.h (TDF_CHAIN): Define.
10629 * tree-pass.h (PROP_gimple_lomp): Define.
10630 (pass_lower_omp): Declare.
10631 * diagnostic.h (debug_tree_chain): Declare.
10632 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
10634 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
10635 * builtins.c (build_string_literal): Make extern.
10636 * gcc.c (include_spec_function): New.
10637 (static_spec_functions): Add it.
10638 (main): Move load of libgomp.spec ...
10639 (LINK_COMMAND_SPEC): ... here.
10640 (link_gomp_spec): New.
10641 (static_specs): Include it.
10642 (LINK_COMMAND_SPEC): Add link_gomp.
10643 (GOMP_SELF_SPECS): New.
10644 (driver_self_specs): Include it.
10645 (switch_matches): Don't mark inline.
10646 (main): Load libgomp.spec.
10647 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
10648 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
10649 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
10650 * tree-gimple.h (enum omp_parallel): Declare.
10651 (determine_parallel_type): Declare.
10652 (omp_firstprivatize_variable): Declare.
10653 (omp_reduction_init): Declare.
10654 (diagnose_omp_structured_block_errors): Declare.
10655 (struct walk_stmt_info): Add want_return_expr.
10656 (struct walk_stmt_info): Add want_bind_expr, want_locations.
10657 (find_omp_clause): Declare.
10658 (insert_field_into_struct): Declare.
10659 (struct walk_stmt_info): Move from tree-nested.c
10660 (walk_stmts): Declare.
10661 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
10663 * cgraphunit.c (cgraph_lower_function): Make static.
10664 (cgraph_finalize_pending_functions): New.
10665 (cgraph_finalize_function): Call it.
10666 (cgraph_finalize_compilation_unit): Likewise.
10667 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
10668 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
10669 (BT_FN_UINT_UINT): New.
10670 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
10671 DEF_FUNCTION_TYPE_VAR_4): Document.
10672 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
10673 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
10674 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
10675 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
10676 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
10677 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
10678 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
10679 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
10680 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
10681 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10682 into separate files.
10683 (DEF_GOMP_BUILTIN): New.
10684 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
10685 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
10686 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10687 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10688 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10689 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10690 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10691 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10692 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
10693 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10694 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10695 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10696 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10697 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10698 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10699 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10700 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10701 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10702 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10703 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10704 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10705 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10706 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10707 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10708 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10709 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10710 * sync-builtins.def: New file, moved from builtins.def.
10711 * omp-builtins.def: New file, moved from builtins.def.
10712 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10713 * gimple-low.c (lower_function_body): Clear data.
10714 (lower_stmt): Do not handle COMPOUND_EXPR.
10715 Remove call to print_node_brief.
10716 * c-tree.h (c_finish_omp_clauses): New prototype.
10717 (C_DECL_THREADPRIVATE_P): Define.
10718 (lookup_name_no_remap, c_omp_remap_private): Remove
10719 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10720 (check_for_loop_decls): Update decl.
10721 (lookup_name_no_remap, c_omp_remap_private): Declare.
10722 (build_indirect_ref, build_modify_expr, pushdecl,
10723 pushdecl_top_level): Move to c-common.h.
10724 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10725 before the switch, but just in the 2 places that need it.
10726 * c-decl.c (diagnose_mismatched_decls): Do not check for
10727 mismatched thread-local attributes when OLDDECL is marked
10728 threadprivate and NEWDECL has no thread-local attributes.
10729 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10730 (c_gimple_diagnostics_recursively): Rename from
10731 c_warn_unused_result_recursively. Invoke
10732 diagnose_omp_structured_block_errors.
10733 (check_for_loop_decls): Return a singular decl found.
10734 * langhooks.c (lhd_omp_predetermined_sharing): Return
10735 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10736 (lhd_omp_firstprivatize_type_sizes): New.
10737 (lhd_omp_assignment): New.
10738 (lhd_omp_predetermined_sharing): New.
10739 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10740 (struct lang_hooks_for_types): Add
10741 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10742 omp_predetermined_sharing, omp_disregard_value_expr,
10743 omp_private_debug_clause, omp_clause_default_ctor,
10744 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10745 (c_finish_omp_clauses): New.
10746 (c_finish_bc_stmt): Diagnose break within omp for.
10747 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10748 (build_unary_op): Return error_mark after reporting
10750 (build_modify_expr): Likewise.
10751 * gimplify.c: Include optabs.h and pointer-set.h.
10752 (enum gimplify_omp_var_data): Declare.
10753 (struct gimplify_omp_ctx): Declare.
10754 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10756 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10757 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10758 (splay_tree_compare_decl_uid): New.
10759 (new_omp_context): New.
10760 (delete_omp_context): New.
10761 (gimple_add_tmp_var): Call omp_add_variable.
10762 (gimplify_bind_expr): Likewise.
10763 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10764 true, disregard DECL_VALUE_EXPR on the decl if any.
10765 (gimplify_expr_in_ctx): New.
10766 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10767 omp_add_variable, omp_notice_variable, omp_is_private
10768 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10769 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10770 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10771 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10772 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10773 gimplify_omp_atomic): New.
10774 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10775 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10776 OMP_CRITICAL and OMP_ATOMIC.
10777 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10778 * c-pragma.h (enum pragma_kind): Add
10779 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10780 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10781 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10782 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10783 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10784 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10785 PRAGMA_OMP_THREADPRIVATE.
10786 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10787 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10788 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10789 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10790 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10791 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10792 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10793 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10794 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10795 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10796 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10797 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10798 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10800 (struct nesting_info): Add field_map,
10801 suppress_expansion, debug_var_chain.
10802 (create_nesting_tree): Initialize them.
10803 (lookup_field_for_decl): Use field_map.
10804 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10805 (convert_local_omp_clauses): New.
10806 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10807 (walk_body): Split out of walk_function.
10808 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10809 (convert_nonlocal_reference): Handle omp statements.
10810 (convert_local_reference): Likewise.
10811 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10812 (unnest_nesting_tree): New.
10813 (lower_nested_functions): Call it.
10814 (insert_field_into_struct): Make extern.
10815 (struct walk_stmt_info): Move to tree-gimple.h.
10816 (walk_stmts): Make extern.
10817 * omp-builtins.def: New file.
10818 * tree-iterator.c (expr_only): Clarify comment.
10819 * c-common.h (pushdecl_top_level, pushdecl,
10820 build_modify_expr, build_indirect_ref,
10821 c_finish_omp_master, c_finish_omp_critical,
10822 c_finish_omp_ordered, c_finish_omp_barrier,
10823 c_finish_omp_atomic, c_finish_omp_flush,
10824 c_finish_omp_for, c_split_parallel_clauses,
10825 omp_clause_default_kind, c_omp_sharing_predetermined,
10826 c_omp_remap_decl): Declare.
10827 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10828 (OBJS-common): Add omp-low.o.
10829 (c-omp.o, omp-low.o): Add.
10830 (gimplify.o): Add dependency on $(OPTABS_H).
10831 (GTFILES): Add omp-low.c.
10832 (gt-stringpool.h): Add.
10833 * tree-cfg.c (set_bb_for_stmt): Do not update the
10834 block-to-labels map if we are currently expanding to RTL.
10835 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10837 Handle IDENTIFIER_NODE.
10838 (tree_verify_flow_info): Do not ICE when emitting error
10839 messages about invalid labels.
10840 (dump_function_to_file): Reset CFUN before emitting the body
10842 (debug_function): New.
10843 * passes.c (init_optimization_passes): Schedule
10845 * langhooks-def.h (lhd_omp_predetermined_sharing,
10846 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10848 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10849 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10850 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10851 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10852 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10853 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10854 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10855 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10856 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10857 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10858 (LANG_HOOK_DECLS): Use them.
10860 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10861 Richard Henderson <rth@redhat.com>
10862 Jakub Jelinek <jakub@redhat.com>
10863 Diego Novillo <dnovillo@redhat.com>
10865 * c-parser.c (pragma_omp_clause): Define.
10866 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10867 (c_parser_compound_statement): Likewise.
10868 (c_parser_statement): Likewise.
10869 (c_parser_pragma): Handle omp pragmas.
10870 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10871 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10872 (c_parser_omp_clause_name, check_no_duplicate_clause,
10873 c_parser_omp_variable_list,
10874 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10875 c_parser_omp_clause_copyprivate,
10876 c_parser_omp_clause_default,
10877 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10878 c_parser_omp_clause_lastprivate,
10879 c_parser_omp_clause_nowait,
10880 c_parser_omp_clause_num_threads,
10881 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10882 c_parser_omp_clause_reduction,
10883 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10884 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10885 c_parser_omp_atomic, c_parser_omp_barrier,
10886 c_parser_omp_critical, c_parser_omp_flush,
10887 c_parser_omp_for_loop, c_parser_omp_for,
10888 c_parser_omp_master, c_parser_omp_ordered,
10889 c_parser_omp_sections_scope, c_parser_omp_sections,
10890 c_parser_omp_parallel, c_parser_omp_single,
10891 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10892 * c-pragma.c (init_pragma): Do omp pragma registration here.
10893 * c.opt (fopenmp): New flag.
10895 2006-01-18 Eric Christopher <echristo@apple.com>
10897 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10898 * config/darwin.h (GOMP_SELF_SPECS): Define.
10900 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10902 * rtl.h: Remove the prototype for reg_alloc.
10904 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10907 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10908 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10909 sjlj and dwarf2 exception handling.
10910 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10911 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10912 * pa/pa.c (function_value): Treat complex and vector types as
10914 (function_arg): Likewise. Only pass scalar floats in the floating
10915 point argument registers.
10916 * pa/t-slibgcc-dwarf-ver: New file.
10917 * pa/t-slibgcc-sjlj-ver: New file.
10918 * pa/t-slibgcc-elf-ver: Delete file.
10920 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10922 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10923 unlikely_test_section_p test.
10925 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10927 * mode-switching.c (optimize_mode_switching): Make it static.
10928 * basic-block.h: Remove the prototype for
10929 optimize_mode_switching.
10931 * modulo-sched.c (sms_schedule): Make it static.
10932 * rtl.h: Remove the prototype for sms_schedule.
10934 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10935 * rtl.h: Remove the prototype for gcse_after_reload_main.
10937 * reg-stack.c (reg_to_stack): Make it static.
10938 * rtl.h: Remove the prototype for reg_to_stack.
10940 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10942 * rtl.h: Remove the prototypes for regrename_optimize and
10943 copyprop_hardreg_forward.
10945 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10947 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10948 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10949 Test against the appropriate null constant for the mode.
10950 If 'fixup_overlap' is true, swap the operands if they overlap.
10951 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10952 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10953 alpha_split_tmode_pair and adjust for above change.
10954 * config/alpha/alpha.md (movtf_internal): Adjust call to
10955 alpha_split_tfmode_pair and rely on it to swap the operands.
10956 (movti_internal): New insn and post-reload splitter.
10957 (movti): New expander.
10959 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10961 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10964 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10966 * rtlanal.c (global_reg_mentioned_p_1,
10967 global_reg_mentioned_p): Remove.
10968 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10970 * flow.c (initialize_uninitialized_subregs): Make it static.
10971 * rtl.h: Remove the prototype for
10972 initialize_uninitialized_subregs.
10974 * function.c (instantiate_virtual_regs): Make it static.
10975 * function.h: Remove the prototype for
10976 instantiate_virtual_regs.
10978 * regmove.c (regmove_optimize, combine_stack_adjustments):
10980 * rtl.h: Remove the prototypes for regmove_optimize and
10981 combine_stack_adjustments.
10983 2006-01-17 Roger Sayle <roger@eyesopen.com>
10985 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10986 (size_cost): Encode costs in bytes so that a reg-reg addition is
10987 equivalent to COSTS_N_INSNS(1).
10988 (override_options): Use the size_cost.branch_cost as the default
10989 ix86_branch_cost when optimizing for size.
10991 2006-01-18 Ben Elliston <bje@au.ibm.com>
10993 * Makefile.in (D32PBIT_FUNCS): New.
10994 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10995 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10996 D64PBIT_FUNCS and D128PBIT_FUNCS.
10997 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10998 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11000 (decnumber_dep): Define.
11001 * doc/libgcc.texi (Decimal float library routines): New node.
11002 * config/dfp-bit.h, config/dfp-bit.c: New files.
11004 2006-01-18 Ben Elliston <bje@au.ibm.com>
11006 * expr.c (emit_move_change_mode): Always adjust addresses, not
11007 just during reload. Copy replacements only during reload.
11008 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11009 emit_move_via_integer.
11011 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11013 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11014 instead of $(srcdir) and ${srcdir}.
11016 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11019 PR middle-end/11135
11020 * arm.h (struct machine_function): Add pic_reg.
11021 * arm.c (arm_pic_register): Make unsigned.
11022 (arm_override_options): Only set arm_pic_register if
11023 TARGET_SINGLE_PIC_BASE.
11024 (use_return_insn): Only test for a pic register if it is fixed.
11025 (arm_compute_save_reg0_reg12_mask): Likewise.
11026 (thumb_compute_save_reg_mask): Likewise.
11027 (legitimate_pic_operand): Factor out some known invariants.
11028 (legitimize_pic_address): If we don't have a fixed pic register,
11029 then set up a pseudo in the function entry sequence. Handle the
11030 pic base being in a pseudo.
11031 (arm_load_pic_register): Handle the pic register being in a pseudo.
11032 (arm_expand_prologue): Only set up the pic register if it is fixed.
11033 (thumb_expand_prologue): Likewise.
11034 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11035 (pic_load_addr_based_insn): Likewise.
11036 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11039 2006-01-18 Ben Elliston <bje@au.ibm.com>
11041 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11042 decimal float modes for all floating point registers.
11044 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11045 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11047 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11050 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11051 even when the pointer is not NULL.
11053 2006-01-16 Ian Lance Taylor <ian@airs.com>
11055 * common.opt (ftoplevel-reorder): New option.
11056 * cgraph.c (cgraph_asm_nodes): New global variable.
11057 (cgraph_asm_last_node): New static variable.
11058 (cgraph_order): New global variable.
11059 (cgraph_create_node): Set new order field.
11060 (cgraph_varpool_node): Likewise.
11061 (decide_is_variable_needed): Return true if not
11062 flag_toplevel_reorder.
11063 (cgraph_add_asm_node): New function.
11064 * cgraph.h (struct cgraph_node): Add order field.
11065 (struct cgraph_varpool_node): Add order field.
11066 (struct cgraph_asm_node): Define.
11067 (cgraph_asm_nodes, cgraph_order): Declare.
11068 (cgraph_add_asm_node): Declare.
11069 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11071 (cgraph_varpool_assemble_pending_decls): Call it.
11072 (cgraph_output_pending_asms): New static function.
11073 (cgraph_finalize_compilation_unit): Call it.
11074 (struct cgraph_order_sort): Define.
11075 (cgraph_output_in_order): New static function.
11076 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11077 !flag_toplevel_reorder case.
11078 * c-parser.c: Include "cgraph.h".
11079 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11081 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11082 than -fno-unit-at-a-time.
11083 * doc/invoke.texi (Option Summary): Mention
11084 -fno-toplevel-reorder.
11085 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11086 -funit-at-a-time documentation.
11088 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11089 Kazu Hirata <kazu@codesourcery.com>
11091 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11093 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11095 * Makefile.in (FUNCTION_H): New. Use it instead of
11096 function.h throughout the file.
11097 * function.h: Include tree.h.
11099 2006-01-17 Ben Elliston <bje@au.ibm.com>
11101 * recog.c: Separate some functions with whitespace.
11103 2006-01-16 Richard Henderson <rth@redhat.com>
11105 Merge from gomp branch:
11106 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11107 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11108 and rename from struct inline_data. Rename callee* to dst*;
11109 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11110 transform_new_cfg, transform_return_to_modify, and
11111 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11113 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11114 (copy_decl_for_dup): Remove.
11115 * tree-inline.c (struct inline_data): Move to header.
11116 (insert_decl_map): Export.
11117 (remap_decl): Update for member name changes. Use copy_decl hook.
11118 Allow for replacement to be a non-decl. Remove dead code.
11119 (remap_type_1): Check for existing mapping.
11120 (remap_type): Export.
11121 (remap_decls): Update for member name changes.
11122 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11123 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11124 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11125 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11126 (tree_function_versioning, build_duplicate_type): Likewise.
11127 (copy_body_r): Likewise. Export.
11128 (copy_decl_for_dup): Split into ...
11129 (copy_decl_for_dup_finish, copy_decl_to_var,
11130 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11131 (replace_ref_tree, inlining_p): Remove.
11133 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11135 * ifcvt.c (if_convert): Make it static.
11136 * rtl.h: Remove the prototype for if_convert.
11138 * local-alloc.c (local_alloc): Make it static.
11139 * rtl.h: Remove the prototype for local_alloc.
11141 * loop.c (loop_optimize): Make it static.
11142 * cfgloop.h: Remove the prototype for loop_optimize.
11145 2006-01-16 DJ Delorie <dj@redhat.com>
11147 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11150 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11152 * pa.md: Disparage copies between general and floating-point registers
11153 in 32-bit move patterns.
11155 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11158 * Makefile.in (check-%): Depend on site.exp instead of
11159 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11162 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11164 * global.c (global_alloc): Make it static.
11165 * rtl.h: Remove the prototype for global_alloc.
11167 2006-01-16 Richard Guenther <rguenther@suse.de>
11169 * tree-ssa-alias.c (struct used_part): Add write_only field.
11170 (get_or_create_used_part_for): Initialize it to true.
11171 (create_overlap_variables_for): Don't create structure variables
11172 for structures that only are written to.
11173 (find_used_portions): Handle MODIFY_EXPR to track whether a
11174 structure is only written to.
11176 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11178 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11180 * basic-block.h: Remove the prototype for
11181 partition_hot_cold_basic_blocks.
11183 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11185 * cppspec.c (lang_specific_spec_functions): Remove.
11186 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11187 * gcc.h (lang_specific_spec_functions): Remove.
11188 * gccspec.c (lang_specific_spec_functions): Remove.
11190 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11192 * combine.c (record_value_for_reg): Invalidate registers
11194 (record_dead_and_set_regs_1): Likewise, by passing them to
11195 record_value_for_reg.
11196 (record_dead_and_set_regs): Invalidate stores made by a
11197 call. We do not combine across a call, but we still
11198 relied on equivalences.
11200 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11202 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11203 vrp_int_const_binop returning non-constant nodes.
11205 2006-01-16 Paul Brook <paul@codesourcery.com>
11207 * config/m68k/m68k.c (output_move_const_into_data_reg):
11208 Output correct mnemonic for mvz and mvs.
11210 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11212 * rtl-factoring.c: Add sequence abstraction algorithm.
11213 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11214 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11216 (block_has_preserve_label): New function.
11217 * common.opt: Register new pass.
11218 * Makefile.in: Ditto.
11220 * timevar.def: Ditto.
11221 * tree-pass.h: Ditto.
11222 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11223 * rtl.h (make_jump_insn_raw): Add forward decl.
11224 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11226 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11227 Roger Sayle <roger@eyesopen.com>
11229 * fold-const.c (fold_minmax): New static function.
11230 (fold_binary) <MIN_EXPR>: Call it.
11231 <MAX_EXPR>: Likewise.
11232 * stor-layout.c (place_field): Use DECL_SIZE consistently
11233 in the computation of the new record size.
11235 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11237 * cse.c (cse_condition_code_reg): Make it static.
11238 * rtl.h: Remove the prototype for cse_condition_code_reg.
11240 * combine.c (combine_instructions): Make it static.
11241 * rtl.h: Remove the prototype for combine_instructions.
11243 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11246 * tree.c (get_file_function_name_long): Concatenate the first global
11247 object name with a string derived from the input filename of the object
11250 2006-01-16 Ben Elliston <bje@au.ibm.com>
11252 * config/i386/winnt-stubs.c: Update FSF address.
11253 * config/xtensa/ieee754-df.S: Ditto.
11254 * config/xtensa/ieee754-sf.S: Ditto.
11256 2006-01-14 Ian Lance Taylor <ian@airs.com>
11258 * ifcvt.c (noce_init_if_info): New static function, broken out of
11259 noce_process_if_block.
11260 (noce_process_if_block): Call noce_init_if_info.
11261 (check_cond_move_block): New static function.
11262 (cond_move_process_if_block): New static function.
11263 (process_if_block): Call cond_move_process_if_block.
11265 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11267 * cselib.c (hash_table): Rename to cselib_hash_table.
11268 (cselib_clear_table, discard_useless_values,
11269 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11270 cselib_init, cselib_finish): Adjust uses of hash_table.
11272 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11274 PR tree-optimization/25485
11275 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11276 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11277 is known to be false and true, respectively.
11279 2006-01-14 Richard Guenther <rguenther@suse.de>
11281 PR tree-optimization/22548
11282 PR tree-optimization/22555
11283 PR tree-optimization/22501
11284 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11285 * params.def (salias-max-array-elements): New parameter.
11286 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11287 * doc/invoke.texi (salias-max-array-elements): Document.
11288 * tree-flow-inline.h (var_can_have_subvars): We also handle
11290 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11292 * tree-ssa-structalias.c (params.h): Include.
11293 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11294 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11295 (get_constraint_for): For ADDR_EXPR operating on something
11296 containing an ARRAY_REF, add all subvars to the solution.
11297 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11298 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11299 for creating MUST_DEFs.
11300 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11302 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11304 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11306 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11307 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11308 number_of_iterations_le): New functions.
11309 (number_of_iterations_special): Removed.
11310 (number_of_iterations_exit): Do not use number_of_iterations_special.
11311 * tree.c (unsigned_type_for): Always return integer type.
11313 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11314 Richard Guenther <rguenther@suse.de>
11316 PR rtl-optimization/24257
11317 * gcse.c (find_moveable_store): Only consider a store movable
11318 when the SET_SRC of the insn can be assigned to a register.
11320 2006-01-14 Ian Lance Taylor <ian@airs.com>
11322 * tree.c (tree_not_class_check_failed): New function.
11323 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11324 (tree_not_class_check_failed): Declare.
11326 2006-01-13 Ian Lance Taylor <ian@airs.com>
11328 * reload1.c (do_output_reload): Add assertion rejecting a
11331 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11333 * combine.c (struct reg_stat): Add new fields truncation_label and
11335 (record_value_for_reg): Reset truncated_to_mode.
11336 (record_truncated_value): New function.
11337 (check_promoted_subreg): Call it. Rename to check_conversions.
11338 (combine_instructions): Rename check_promoted_subreg to
11340 (reg_truncated_to_mode): New function.
11341 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11342 (gen_lowpart_or_truncate): New function.
11343 (force_to_mode): Use it instead of gen_lowpart.
11345 2006-01-13 Diego Novillo <dnovillo@redhat.com>
11347 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
11348 VAR is a tag, not its type tag.
11350 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
11352 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
11353 alternatives to match style of other entries.
11354 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
11356 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
11358 PR tree-optimization/25771
11359 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
11362 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
11365 * tree-inline.c (declare_return_variable): If the return variable
11366 was marked as a non gimple complex, set the return slot variable
11367 to be a non gimple comple variable.
11369 2006-01-13 Richard Guenther <rguenther@suse.de>
11371 * builtins.c (expand_builtin_sincos): New function.
11372 (expand_builtin_mathfn_3): Remove dead code, sin and cos
11374 (expand_builtin): Expand sincos using expand_builtin_sincos.
11376 2006-01-12 DJ Delorie <dj@redhat.com>
11378 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
11379 shift counts, separate SI shifts for m32c vs m16c, pass shift type
11380 so that constant shifts can be split.
11381 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
11382 (m32c_valid_pointer_mode): Make static.
11383 (shift_gen_func_for): New.
11384 (m32c_prepare_shift): Use it. Split large const shifts into
11386 * config/m32c/predicates.md (shiftcount_operand): Allow more
11388 (longshiftcount_operand): New.
11389 * doc/md.texi (Machine Constraints): Document In6.
11391 2006-01-13 Ben Elliston <bje@au.ibm.com>
11393 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
11394 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
11397 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
11399 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
11400 to try to avoid clobbering pieces of structures when we know
11401 something about the whole structure.
11402 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
11404 2006-01-13 Ben Elliston <bje@au.ibm.com>
11406 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
11407 return in memory, as this is no limitation is no longer present.
11409 2006-01-12 DJ Delorie <dj@redhat.com>
11411 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
11412 mova with fb, and for fb+0 -> An.
11414 * config/m32c/mov.md (peephole2): Fix enabling logic.
11416 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11417 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
11418 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
11419 FINI_ARRAY_SECTION_ASM_OP): Define.
11421 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
11423 (m32c_legitimize_reload_address): New logic to reload FB to An.
11424 (m32c_output_reg_push): Add newline.
11425 (m32c_output_reg_pop): Likewise.
11427 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
11429 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
11431 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
11433 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
11435 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11437 * config/sh/predicates.md (sh_rep_vec): Add parallel to
11440 2006-01-11 Ben Elliston <bje@au.ibm.com>
11442 * rtlanal.c (find_reg_note): Assert insn is not null.
11444 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11446 * df-scan.c (df_hard_reg_init): Move declaration of i outside
11449 2006-01-11 Jeff Law <law@redhat.com>
11451 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
11453 (mark_threaded_blocks, register_jump_thread): New functions.
11454 (thread_through_all_blocks): Remove unwanted argument. No
11455 longer rely on e->aux to communicate thread target info.
11456 Call mark_threaded_blocks. Release the threaded_blocks
11457 bitmap and threaded_edges vector when complete.
11458 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
11459 (threaded_blocks): Remove.
11460 (tree_ssa_dominator_optimize): Remove initialization and
11461 finalization of threaded_blocks. Simplify call to
11462 thread_through_all_blocks.
11463 (thread_across_edge): Call register_jump_thread rather than
11464 storing thread information into e->aux.
11465 (free_all_edge_infos): Simplify now that e->aux is no longer
11466 used to communicate with thread_through_all_blocks.
11467 * tree-flow.h (thread_through_all_blocks): Update prototype.
11468 (register_jump_thread): Prototype.
11470 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11472 * df-core.c (df_compact_blocks, df_bb_replace): Use
11473 SET_BASIC_BLOCK instead of BASIC_BLOCK.
11475 2006-01-11 Richard Guenther <rguenther@suse.de>
11477 PR tree-optimization/25734
11478 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
11479 stop propagation after successful propagation to the LHS.
11481 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11483 * basic-block.h (control_flow_graph): Change the type of
11484 x_basic_block_info to VEC(basic_block,gc) *.
11485 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
11487 (SET_BASIC_BLOCK): New.
11488 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
11489 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
11490 * cfgbuild.c (find_basic_blocks): Likewise.
11491 * cfglayout.c (fixup_reorder_chain): Likewise.
11492 * cfgrtl.c (create_basic_block_structure,
11493 rtl_create_basic_block): Likewise.
11494 * ifcvt.c (find_if_case_1): Likewise.
11495 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
11498 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11500 * Makefile.in: Removed rotted odf.c entry.
11502 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
11505 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
11506 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
11507 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
11508 output pattern modifier, not %e.
11509 * config/cris/cris.c (cris_op_str): Update comment about pattern
11511 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
11512 before falling through into...
11513 <case 'E'>: Redefined from old 'e' case.
11515 2006-01-11 Jan Hubicka <jh@suse.cz>
11518 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
11520 2006-01-11 Jan Hubicka <jh@suse.cz>
11522 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
11523 * i386.c (x86_decompose_lea): Kill.
11524 (ix86_rtx_costs): Kill.
11526 2006-01-11 Jan Hubicka <jh@suse.cz>
11528 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
11529 * cgraph.h (cgraph_node): Add inline_decl.
11530 (cgraph_insert_node_to_hashtable): Declare.
11531 (save_inline_function_body): Declare.
11532 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
11534 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
11535 (cgraph_function_versioning): Update call of tree_function_versioning.
11536 (save_inline_function_body): New function.
11537 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
11538 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
11539 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
11540 (cgraph_default_inline_p): Likewise.
11541 (cgraph_decide_inlining_incrementally): Likewise.
11542 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
11543 (copy_bb): Kill saving; do updating of clones.
11544 (copy_cfg_body): Kill saving.
11545 (initialize_inlined-parameters): Likewise.
11546 (expand_call_inline): Likewise.
11548 (tree_function_versioning): New parameter "update_clones".
11549 (inlining_p): Kill saving.
11550 * tree-inline.h (tree_function_versioning): Update prototype.
11551 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
11554 2006-01-11 Ian Lance Taylor <ian@airs.com>
11556 * combine.c (struct undo): Remove is_int. Enumify types of undos.
11557 Allow undoing set of machine mode.
11558 (do_SUBST): Use enums instead of is_int.
11559 (do_SUBST_MODE): New function.
11560 (SUBST_MODE): New macro.
11561 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
11562 reg and trying to replace reg_regno_rtx with a new register.
11563 (undo_all): Use new enums, handle undoing a PUT_MODE change.
11564 (simplify_set): Use SUBST_MODE.
11565 (distribute_notes): Remove code that tried to update reg notes
11566 for regno_reg_rtx changes.
11568 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
11570 PR tree-optimization/23109
11571 PR tree-optimization/23948
11572 PR tree-optimization/24123
11574 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11575 * tree-cfg.c (single_noncomplex_succ): New.
11576 * tree-flow.h (single_noncomplex_succ): Declare it.
11577 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11578 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11579 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11580 insert_bb, register_division_in, insert_reciprocals,
11581 replace_reciprocal, free_bb): New.
11582 (execute_cse_reciprocals_1): Rewritten.
11583 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11584 Do not commit any edge insertion. Always compute dominators and
11585 create the allocation pool.
11586 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11587 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11588 * targhooks.c (default_min_divistions_for_recip_mul): New.
11589 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11590 * passes.c (init_optimization_passes): Run recip after tree loop
11592 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
11594 2006-01-11 Danny Berlin <dberlin@dberlin.org>
11595 Kenneth Zadeck <zadeck@naturalbridge.com>
11597 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
11598 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
11599 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
11600 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
11601 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
11602 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
11603 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
11604 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
11605 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
11606 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
11607 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
11608 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
11609 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
11610 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
11611 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
11612 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
11613 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
11614 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
11615 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
11616 DF_SCAN_POST_ALLOC): New macros.
11617 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
11618 df_free_bb_function, df_local_compute_function, df_init_function,
11619 df_dataflow_function, df_confluence_function_0,
11620 df_confluence_function_n, df_transfer_function,
11621 df_finalizer_function, df_free_function, df_dump_problem_function,
11622 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
11623 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
11624 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
11625 df_urec_bb_info, ) New types.
11626 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
11628 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
11629 df_analyze_simple_change_some_blocks,
11630 df_analyze_simple_change_one_block, df_compact_blocks,
11631 df_bb_replace, df_bb_regno_last_use_find,
11632 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
11633 df_insn_regno_def_p, df_find_def, df_find_use,
11634 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
11635 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
11636 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
11637 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
11638 debug_df_chain, df_get_dependent_problem, df_chain_create,
11639 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
11640 df_grow_bb_info, df_chain_dump, df_print_bb_index,
11641 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
11642 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
11643 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
11644 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
11645 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
11646 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
11647 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
11648 df_ref_remove, df_insn_refs_delete, df_refs_delete,
11649 df_reorganize_refs, df_set_state, df_hard_reg_init,
11650 df_read_modify_subreg_p) New public functions.
11651 * df-core.c: The core dataflow solver and glue routines for rtl
11653 (df_init, df_add_problem, df_set_blocks, df_finish,
11654 df_hybrid_search_forward, df_hybrid_search_backward,
11655 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
11656 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
11657 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
11658 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
11659 df_reg_defined, df_find_use, df_reg_used, df_dump,
11660 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
11661 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
11662 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
11663 debug_df_useno, reset_df_after_reload): New functions.
11664 * df-scan.c: The scanning fuctions, once in df.c, completely
11665 rewritten so that they now fully model the functionality of
11666 register usage at the backend.
11667 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
11668 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
11669 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
11670 df_grow_insn_info, df_rescan_blocks, df_ref_create,
11671 df_get_artificial_defs, df_get_artificial_uses,
11672 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
11673 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
11674 df_refs_delete, df_reorganize_refs, df_set_state,
11675 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
11676 df_def_record_1, df_defs_record, df_uses_record,
11677 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
11678 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
11679 df_record_exit_block_uses, df_hard_reg_init): New functions.
11681 * df-problems.c: Seven concrete dataflow problems that use the
11682 scanning in df-scan.c and are solved by the engine in df-core.c.
11683 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
11684 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
11685 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
11686 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11687 df_ru_free_bb_info, df_ru_alloc,
11688 df_ru_bb_local_compute_process_def,
11689 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11690 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11691 df_ru_transfer_function, df_ru_free, df_ru_dump,
11692 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
11693 df_rd_free_bb_info, df_rd_alloc,
11694 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11695 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11696 df_rd_transfer_function, df_rd_free, df_rd_dump,
11697 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11698 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11699 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11700 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11701 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11702 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11703 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11704 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11705 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11706 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11707 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11708 df_urec_mark_reg_use_for_earlyclobber,
11709 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11710 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11711 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11712 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11713 df_chain_create_bb_process_use, df_chain_create_bb,
11714 df_chain_finalize, df_chain_free, df_chains_dump,
11715 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11716 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11717 df_reg_lifetime): New functions.
11718 * df.c: Deleted file.
11719 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11720 consistent with new df api.
11721 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11722 rest_of_handle_sms): Ditto.
11723 * web.c (unionfind_union, union_defs, entry_register, web_main):
11725 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11726 invariant_expr_equal_p, find_defs, check_dependencies,
11727 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
11728 free_inv_motion_data, move_loop_invariants): Ditto.
11729 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11730 Update dependencies.
11731 (odf.c): Added defective entry that was deleted later in day.
11732 * sched-deps.c (sched_analyze_1): Ditto.
11734 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11736 * tree-ssa-operands.c (get_expr_operands): Record addressable
11737 variables directly. Do not call add_stmt_operands for CONST_DECLs
11739 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11740 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11742 2006-01-11 Ben Elliston <bje@au.ibm.com>
11744 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11745 function returns true in the positive case.
11747 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11750 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11751 for SI, DI, SF and DF modes. Add alternatives to copy between
11752 general and floating point registers to the 32-bit patterns.
11753 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11754 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11755 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11756 generating 64-bit code.
11757 * config/pa/pa.c (output_move_double): Handle copies between general
11758 and floating registers.
11760 2006-01-10 Stuart Hastings <stuart@apple.com>
11762 * config/i386/i386.md (set_got): Update.
11763 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11764 (builtin_setjmp_receiver): Mach-O support.
11765 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11766 (GOT_SYMBOL_NAME): Define.
11767 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11768 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11769 * config/i386/i386.c (override_options): Revise for Darwin.
11770 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11771 support. (darwin_x86_file_end): New. (output_set_got): Add label
11772 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11773 * config/i386/i386-protos.h (output_set_got): Likewise.
11774 * config/darwin.c (machopic_legitimize_pic_address): Update
11777 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11779 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11780 when MODE isn't BLKmode.
11782 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11784 PR rtl-optimization/25367
11785 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11787 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11790 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11791 for a negative bound.
11793 2006-01-10 Richard Guenther <rguenther@suse.de>
11795 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11796 Never override with anything constraint.
11798 2006-01-10 Jan Beulich <jbeulich@novell.com>
11800 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11801 256 bits when optimize_size.
11803 2006-01-10 Jan Beulich <jbeulich@novell.com>
11805 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11807 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11808 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11811 2006-01-10 Ben Elliston <bje@au.ibm.com>
11813 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11815 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11816 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11817 (USE_FP_FOR_ARG): Reject decimal float modes.
11818 (function_arg_advance): Likewise.
11819 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11820 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11821 point types in AltiVec vectors.
11822 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11823 (rs6000_libcall_value): Likewise.
11825 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11827 * config/xtensa/ieee754-df.S: New file.
11828 * config/xtensa/ieee754-sf.S: New file.
11829 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11830 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11831 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11833 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11835 * config/sh/predicates.md (binary_float_operator,
11836 binary_logical_operator, commutative_float_operator,
11837 equality_comparison_operator, greater_comparison_operator,
11838 less_comparison_operator, logical_operator,
11839 noncommutative_float_operator, shift_operator,
11840 symbol_ref_operand, unary_float_operator): Remove redundant
11843 2006-01-09 Jeff Law <law@redhat.com>
11845 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11846 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11847 now unused arguments. Callers updated.
11848 (eliminate_redundant_computations): Remove now unused arguments,
11850 (local_fold): Remove, no longer used.
11851 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11853 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11854 (simplify_cond): New function.
11855 (forward_propagate_into_cond): Call simplify_cond.
11857 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11859 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11860 (*vec_extractv2di_1_sse): New.
11862 2006-01-09 Ben Elliston <bje@au.ibm.com>
11864 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11866 2006-01-08 Richard Guenther <rguenther@suse.de>
11868 * tree-ssa-structalias.c (get_constraint_for): Remove
11869 anyoffset argument.
11870 (get_constraint_for_component_ref): Likewise.
11871 (do_deref): Likewise.
11872 (get_constraint_for): Likewise.
11873 (do_structure_copy): Likewise.
11874 (handle_ptr_arith): Likewise.
11875 (find_func_aliases): Likewise. Remove unused need_anyoffset
11878 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11879 Kaz Kojima <kkojima@gcc.gnu.org>
11881 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11882 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11883 (EXTRA_CONSTRAINT_C16): Remove.
11884 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11885 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11886 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11887 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11888 constants of SHmedia. Handle nested constant expressions of
11890 (andcosts): Fix the costs for SHmedia constants.
11891 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11892 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11893 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11894 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11895 (movv4hi_i, movv2si_i): Likewise.
11896 (movsi_const): Adjust the second operand of ior so to match with
11897 the Csu constraint.
11898 (movdi_const, movdi_const_32bit): Likewise.
11899 (movdi_const_16bit+1): Don't sign-extend LOW.
11900 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11902 (*double_shori): Fix the split condition. Use GEN_INT instead
11903 of get_int_mode calls. Mask lower 16-bit of the argument of
11905 (sym2GOTPLT): Remove.
11906 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11908 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11909 instead of EXTRA_CONSTRAINT_C16.
11911 2006-01-07 Ian Lance Taylor <ian@airs.com>
11912 David Edelsohn <edelsohn@gnu.org>
11914 PR rtl-optimization/25662
11915 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11916 for constant operands instead of simplify_gen_binary.
11917 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11918 after trying simplify_binary_operation
11920 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11922 * tree.c (iterative_hash_expr): Hash decls based on UID.
11924 2006-01-06 Eric Christopher <echristo@apple.com>
11926 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11927 (TARGET_UNWIND_EMIT): Fix spelling.
11928 * target.h (gcc_target): Add except_table_label.
11929 * except.c (output_function_exception_table): Use.
11930 * varasm.c (default_emit_except_table_label): New.
11931 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11933 (asm_out): Add here.
11934 * output.h (default_emit_except_table_label): Prototype.
11935 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11936 * config/darwin.c (darwin_emit_except_table_label): Define.
11937 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11939 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11941 PR tree-optimization/18527
11942 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11943 number_of_iterations_special, number_of_iterations_exit):
11944 Move base and step of an iv to a single structure. Add
11945 no_overflow flag, and use it in # of iterations analysis.
11946 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11947 folded_casts argument.
11948 (simple_iv): Pass base and step in a structure. Set no_overflow
11950 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11951 Evaluate expensiveness of computing # of iterations instead of
11952 the final expression.
11953 * tree-scalar-evolution.h (affine_iv): New structure.
11954 (simple_iv): Declaration changed.
11955 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11956 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11957 find_givs_in_stmt): Changed due to simple_iv change.
11959 2006-01-06 Jeff Law <law@redhat.com>
11962 * tree-cfg.c (bsi_replace): Rename final argument from
11963 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11964 change (stmt -> orig_stmt).
11965 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11966 (bsi_remove): Add new argument. Remove EH information
11968 (verify_eh_throw_table_statements): New function.
11969 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11971 * tree-optimize.c (execute_free_cfg_annotations): Verify
11972 the EH throw statement table after removing annotations.
11973 * except.h (verify_eh_throw_table_statements): Prototype.
11974 * tree-flow.h (bsi_remove): Update prototype.
11975 * tree-vrp.c (remove_range_assertions): Add new argument to
11977 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11978 * tree-complex.c (expand_complex_div_wide): Likewise.
11979 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11980 * tree-tailcall.c (eliminate_tailcall): Likewise.
11981 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11982 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11983 * tree-nrv.c (tree_nrv): Likewise.
11984 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11985 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11986 (combine_blocks): Likewise.
11987 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11988 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11989 (cleanup_control_flow): Likewise.
11990 (remove_forwarder_block): Likewise.
11991 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11992 * tree-sra.c (sra_replace): Likewise.
11993 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11994 (forward_propagate_single_use_vars): Likewise.
11995 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11996 * tree-inline.c (expand_call_inline): Likewise.
11997 * tree-vect-transform.c (vect_transform_loop): Likewise.
11998 * tree-outof-ssa.c (rewrite_trees): Likewise.
11999 * tree-cfg.c (make_goto_expr_edges): Likewise.
12000 (cleanup_dead_labels): Likewise.
12001 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12002 (bsi_move_before, bsi_move_after): Likewise.
12003 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12004 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12006 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12009 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12011 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12012 on non gimple variables. Also add checks at the top for decls and
12014 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12016 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12017 and IMAGPART_EXPR for creating MUST_DEFs.
12018 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12019 and NAME_MEMORY_TAG separately from the DECLs.
12021 2006-01-06 Richard Guenther <rguenther@suse.de>
12023 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12024 annotation, if necessary.
12025 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12026 redundant calls to update_stmt.
12027 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12030 2006-01-05 Richard Henderson <rth@redhat.com>
12032 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12034 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12036 * c-typeck.c: Update copyright date.
12038 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12040 * c-typeck.c (build_c_cast): Always warn when casting
12041 from a pointer to an integer of different size, even if
12042 the node was constant.
12044 2006-01-05 Richard Guenther <rguenther@suse.de>
12046 PR tree-optimization/22555
12047 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12048 if one structure field is an array.
12049 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12050 operands even if we found a subvar, but ignore VOPs in this
12052 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12054 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12056 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12058 PR middle-end/24998
12059 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12061 2006-01-05 Richard Guenther <rguenther@suse.de>
12062 Diego Novillo <dnovillo@redhat.com>
12064 * tree-pass.h (TODO_remove_unused_locals): Define.
12065 * gimple-low.c (expand_var_p, remove_useless_vars,
12066 pass_remove_useless_vars): Remove. Update all users.
12067 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12068 (remove_unused_locals): New function.
12069 * tree-flow.h (remove_unused_locals): Declare.
12070 * passes.c (execute_todo): Call remove_unused_locals if
12071 TODO_remove_unused_locals is set.
12072 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12073 * tree-ssa-dce.c (pass_dce): Likewise.
12074 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12076 2006-01-05 Richard Guenther <rguenther@suse.de>
12078 * tree-flow.h (struct fieldoff): Decompose field to
12079 type, size and decl.
12080 * tree-ssa-alias.c (create_sft): Take type as parameter.
12081 (create_overlap_variables_for): Store type, size and decl
12082 in the fieldoff structure.
12083 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12084 of struct fieldoff.
12085 (push_fields_onto_fieldstack): Likewise.
12086 (create_variable_info_for): Likewise. Use offset for the
12087 SFT name if the decl is not available.
12089 2006-01-04 Paul Brook <paul@codesourcery.com>
12091 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12093 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12095 * lambda-code.c (can_put_in_inner_loop): Relax
12097 (can_put_after_inner_loop): New function.
12098 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12099 (perfect_nestify): Change to make copies and modify uses.
12101 2006-01-04 Richard Henderson <rth@redhat.com>
12103 Merge from gomp branch:
12104 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12105 via integer constant.
12106 (pragma_lex): Remove.
12107 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12108 rather than parsing it.
12109 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12110 handle_pragma_extern_prefix): Add %< %> quotes.
12111 (registered_pragmas): New.
12112 (c_register_pragma_1): New.
12113 (c_register_pragma): Use it.
12114 (c_register_pragma_with_expansion): Likewise.
12115 (c_invoke_pragma_handler): New.
12116 (init_pragma): Use cpp_register_deferred_pragma directly for
12118 * c-pragma.h (enum pragma_kind): New.
12119 (pragma_handler): New.
12120 (c_invoke_pragma_handler): Declare.
12121 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12123 * c-common.h (c_common_pch_pragma): Update decl.
12124 * Makefile.in (c-parser.o): Update dependencies.
12125 (GTFILES): Add c-pragma.h.
12126 * c-parser.c (struct c_token): Add pragma_kind.
12127 (struct c_parser): Add in_pragma.
12128 (c_lex_one_token): Always initialize keyword and pragma_kind.
12129 Extract data for CPP_PRAGMA.
12130 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12131 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12132 Don't allow CPP_PRAGMA_EOL if in_pragma.
12133 (c_parser_consume_pragma): New.
12134 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12135 (c_parser_skip_to_end_of_parameter): Likewise.
12136 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12137 (c_parser_skip_to_pragma_eol): New.
12138 (c_parser_external_declaration): Handle CPP_PRAGMA.
12139 (c_parser_compound_statement_nostart): Likewise.
12140 (c_parser_statement_after_labels): Likewise.
12141 (c_parser_pragma): New.
12142 (pragma_lex): Likewise.
12143 (c_parser_pragma_pch_preprocess): New.
12144 (c_parser_new): Merge into ...
12145 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12147 2006-01-04 Jeff Law <law@redhat.com>
12150 * tree-cfg.c (bsi_replace): Remove the original statement
12151 from the EH throw statement table.
12153 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12155 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12156 make the prototype extern "C" and add throw ().
12159 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12160 and pos non-negative and pos + len <= 32.
12161 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12162 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12163 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12166 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12167 as well as sizes not multiple of component size.
12170 * function.c (instantiate_expr): New function.
12171 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12172 walk its DECL_VALUE_EXPR with instantiate_expr.
12174 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12175 DW_OP_deref{,_size} if address isn't going to be added.
12177 2006-01-04 Ben Elliston <bje@au.ibm.com>
12179 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12180 * config/fp-bit.c: Likewise.
12182 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12184 * dominance.c: Add comment about why we use DFS numbering
12187 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12188 Richard Henderson <rth@redhat.com>
12190 Merge from gomp-branch:
12191 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12192 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12194 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12196 PR rtl-optimization/25578
12197 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12198 pass a parameter to simplify_shift_const if changing ASHIFTRT
12201 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12203 * builtins.c (get_builtin_sync_mem): New function.
12204 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12205 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12206 Call get_builtin_sync_mem to generate mem rtx.
12208 2006-01-03 Richard Guenther <rguenther@suse.de>
12211 * stmt.c (add_case_node): Make sure to clear overflow flags
12214 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12216 Merge from gomp-branch.
12217 * config/sparc/sync.md: New file.
12218 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12219 UNSPECV_LDSTUB): New constants.
12220 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12221 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12222 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12225 2006-01-03 Roger Sayle <roger@eyesopen.com>
12227 * combine.c (reg_subword_p): New predicate to test whether the
12228 destination of a set refers to a subword/piece of a register.
12229 (try_combine): Generalize the code to merge the setting of a
12230 pseudo to a constant followed by a set of a subword of that
12231 register to a constant.
12233 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12235 * basic-block.h (control_flow_graph): Change the type of
12236 x_label_to_block_map to VEC(basic_block,gc) *.
12237 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12238 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12240 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12241 VEC(basic_block,heap) *.
12242 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12243 ssa_prop_fini): Adjust the uses of cfg_blocks.
12245 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12247 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12249 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12250 hashing trees instead of a pointer hash.
12251 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12252 compare for MEM_EXPR.
12254 PR rtl-optimization/25130
12255 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12256 when comparing MEMs for GCSE
12258 2006-01-03 Ben Elliston <bje@au.ibm.com>
12260 * targhooks.h (default_decimal_float_supported_p): Declare.
12261 * targhooks.c (default_decimal_float_supported_p): Define.
12262 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12263 `default_decimal_float_supported_p'.
12264 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12266 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12268 * combine.c (apply_distributive_law <SUBREG>): Check
12269 TRULY_NOOP_TRUNCATION.
12271 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12273 * dwarf2out.c (have_switched_text_section): Delete.
12274 (have_multiple_function_sections): New.
12275 (have_location_lists): Make 'bool'.
12276 (add_AT_loc_list): Use 'true' not '1'.
12277 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12278 (output_loc_list): Use have_multiple_function_sections.
12279 (output_ranges): Likewise.
12280 (dwarf2out_begin_function): Set have_multiple_function_sections if
12282 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12283 Check function_section rather than DECL_SECTION_NAME.
12284 (dwarf2out_finish): Use have_multiple_function_sections.
12285 Don't clear have_location_lists.
12287 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12288 Jan Hubicka <jh@suse.cz>
12290 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12291 case of conditional jump jumping to the next instruction.
12292 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12293 cases of conditional jump jumping to the next instruction.
12295 2006-01-02 Jan Hubicka <jh@suse.cz>
12297 * i386.c (*_cost): Add COSTS_N_INSNS.
12298 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12300 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12303 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12305 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12307 * config/arm/arm.c (all_fpus): Fix comment typo.
12308 * config/darwin.c: Likewise.
12309 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12310 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12311 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12313 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12315 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12316 (rs6000_split_compare_and_swapqhi): New.
12317 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12318 (sync_compare_and_swapqhi_internal): New.
12319 * config/rs6000/rs6000-protos.h: Declare.