| blob | ecfe2e6e7b326730ace3e992d953516f9bdf0d15 |
1 2006-06-13 DJ Delorie <dj@redhat.com>
3 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
8 html__strip_dir, html__mkdir_p. Enhance install-html target.
9 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
10 * configure: Regenerate.
12 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
14 * fold-const.c (fold_cond_expr_with_comparison): Check for
15 Objective-C++ as language in deciding COND_EXPR transformation.
17 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
19 PR target/28014:
20 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
21 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
22 * config/sh/lib1funcs.h (SL, SL1): Define.
23 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
24 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
25 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
26 (OBJS_Os_4_200): New variable.
27 ($(T)libgcc-Os-4-200.a): Use it.
28 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
29 when dividing 1 and/or by 0.
31 2006-06-13 Roger Sayle <roger@eyesopen.com>
33 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
34 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
35 * configure: Regenerate.
37 2006-06-13 Jie Zhang <jie.zhang@analog.com>
39 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
40 for real instruction.
42 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
44 PR middle-end/26807
45 * haifa-sched.c (check_cfg): Handle special case.
47 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
49 PR debug/26754
50 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
51 Add debug_info parameter. Chain the vars to the BLOCK instead
52 of the BIND_EXPR if debug info are requested for them.
53 (pop_gimplify_context): Adjust for above change.
54 (gimple_add_tmp_var): Likewise.
55 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
56 Add bool parameter.
57 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
58 (convert_local_reference): Likewise.
59 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
60 (finalize_nesting_tree_1): Request that debug info be emitted
61 for debug_var_chain.
63 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
65 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
66 for PR target/27863.
68 2006-06-13 Richard Guenther <rguenther@suse.de>
70 PR middle-end/27536
71 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
73 2006-06-13 Richard Guenther <rguenther@suse.de>
75 PR tree-optimization/27830
76 * tree-inline.c (copy_body_r): For copying the operand
77 of an ADDR_EXPR make sure to fold &* afterwards.
79 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
81 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
82 lvalues in the fb_none case with side-effects.
84 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
86 * tree-flow.h: Remove the prototype for
87 compute_phi_arg_on_exit.
88 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
89 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
90 Remove.
92 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
94 * builtins.c (expand_builtin_return_addr): Only use
95 frame_pointer_rtx when count == 0 and we are expanding
96 __builtin_return_address.
98 2006-06-12 Fred Fish <fnf@specifix.com>
100 * config/mips/mips.c (mips_file_start): Create special section
101 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
103 2006-06-11 Eric Christopher <echristo@apple.com>
105 PR middle-end/27948
106 * stor-layout.c (place_field): Remove check for
107 remaining_in_alignment when aligning at the end of a run.
109 2006-06-11 Eric Christopher <echristo@apple.com>
111 PR 27542
112 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
113 pragma.
115 2006-06-11 Roger Sayle <roger@eyesopen.com>
117 PR target/27858
118 Revert incorrect fix for PR target/27158
119 2006-05-08 Roger Sayle <roger@eyesopen.com>
120 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
121 of a reg_equiv_constant if the result is a legitimate constant.
123 2006-06-11 Roger Sayle <roger@eyesopen.com>
125 PR target/27158
126 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
127 extract a CONST_VECTOR element and interpret it as an integer.
128 (vspltis_constant): Use const_vector_elt_as_int instead of the
129 macro CONST_VECTOR_ELT in order to handle FP vector modes.
130 * config/rs6000/predicates.md (easy_vector_const): Consider
131 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
133 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
135 PR middle-end/27942
136 * stor-layout.c (update_alignment_for_field): Don't add extra
137 alignment for packed non-bitfield fields in ms_bitfield_layout_p
138 code.
140 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
142 * config/mips/t-rtems: Add EL/EB multilib variants.
144 2006-06-09 Mike Stump <mrs@apple.com>
146 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
148 2006-06-09 David Daney <ddaney@avtrex.com>
150 * doc/install.texi: Add binutils version recommendation for mips-*-*.
152 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
154 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
156 2006-06-09 Richard Guenther <rguenther@suse.de>
158 PR tree-optimization/26998
159 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
160 of signed types, only TYPE_MIN_VALUE is special, but for both,
161 minimum and maximum value. Likewise VR_ANTI_RANGE is special
162 in this case, as is -fwrapv.
164 2006-06-08 Mike Stump <mrs@apple.com>
166 PR target/26427
167 * config/darwin.c (darwin_asm_output_anchor): Disable
168 -fsection-anchors on darwin for now.
169 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
170 * rs6000/rs6000.c (optimization_options): Likewise.
172 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
174 PR target/27421
175 * config/i386/i386.c (classify_argument): Skip fields with invalid
176 types in unions.
178 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
180 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
181 (cse_insn): Likewise for the stack_pointer_rtx.
183 2006-06-08 Roger Sayle <roger@eyesopen.com>
185 * tree-ssa-dom.c (record_conditions): Only record "unordered"
186 conditions from floating point comparisons.
188 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
190 PR middle-end/27733
191 * expmed.c (struct alg_hash_entry): Fix type of field T
192 to match synth_mult argument.
193 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
195 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
197 PR target/27863
198 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
199 block boundaries.
201 2006-06-08 Richard Guenther <rguenther@suse.de>
203 PR middle-end/27116
204 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
205 only, if overflow is defined and not trapping.
206 (negate_expr): Likewise.
208 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
210 PR tree-optimization/27872
211 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
212 flag on the new exit edge of the unrolled loop.
214 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
216 PR rtl-optimization/26449
217 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
219 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
221 PR middle-end/27793
222 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
223 referenced_variables with matching DECL_UID's.
224 (find_referenced_vars): Make sure duplicate list is empty to start.
225 (referenced_var_p): Remove.
226 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
227 Check if var is in the list, and add if needed. Update the duplicate
228 list if a different var is in the list with the same DECL_UID.
229 (add_referenced_var): Call routine to check and insert.
230 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
231 * tree-flow.h (referenced_vars_dup_list): External declaration.
233 2006-06-07 Fred Fish <fnf@specifix.com>
235 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
236 into single entry.
238 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
240 PR target/27390
241 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
242 the imaginary and real parts of a clobbered register.
243 Emit insn to set the imaginary part.
245 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
247 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
248 in lieu of unwind-dw2-fde.c.
250 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
252 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
254 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
256 PR target/27842
257 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
258 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
259 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
260 V4SImode temporaries and operations instead.
262 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
264 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
265 dp-bit.c.
267 2006-06-06 Mike Stump <mrs@apple.com>
269 * Makefile.in: Rename to htmldir to build_htmldir to avoid
270 installing during build.
272 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
274 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
275 value to 0.
276 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
277 * config/ia64/ia64.c (params.h): New header.
278 (ia64_optimization_options): New function to adjust parameters.
279 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
280 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
281 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
283 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
285 * stor-layout.c (debug_rli): Fix a typo in a debug message.
287 2006-06-05 Steve Ellcey <sje@cup.hp.com>
289 PR target/27051
290 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
292 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
293 Victor Kaplansky <victork@il.ibm.com>
295 PR tree-optimization/26360
296 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
297 stmts.
299 2006-06-04 Roger Sayle <roger@eyesopen.com>
300 Andrew Pinski <pinskia@physics.uc.edu>
302 PR middle-end/27382
303 * c-common.c (c_common_truthvalue_conversion): Explicitly check
304 for LABEL_DECL before calling DECL_WEAK.
306 PR c/27150
307 * c-typeck.c (build_binary_op): Likewise, explicitly check for
308 LABEL_DECL and PARM_DECL.
310 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
312 PR c/25161
313 PR c/27020
314 * c-decl.c (grokdeclarator): Disallow variably modified types at
315 file scope. Avoid marking shared array type of constant size as
316 VLA.
318 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
320 PR c++/27601
321 * c-common.c (fold_offsetof_1): Handle static members.
323 2006-06-04 Eric Christopher <echristo@apple.com>
325 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
326 (debug_rli): Output value for remaining_in_alignment.
327 (update_alignment_for_field): Unconditionalize
328 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
329 extra alignment code.
330 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
331 ms_bitfield_layout_p code. Rewrite handling of structure fields.
332 * tree.h (record_layout_info_s): Remove prev_packed.
333 * doc/extend.texi (ms_struct): Add documentation of format.
335 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
337 * tree.h: Declare folding_initializer.
338 * builtins.c (fold_builtin_constant_p): Give definite answer
339 if folding inside an initializer.
340 * fold-const.c: Define folding_initializer.
341 (START_FOLD_INIT): Save and then set folding_initializer.
342 (END_FOLD_INIT): Restore folding_initializer.
344 2006-06-04 Richard Guenther <rguenther@suse.de>
346 PR tree-optimization/27039
347 * fold-const.c (fold_comparison): Handle pointer comparison
348 again for all comparison codes. Compare offsets in signed
349 size type.
350 (fold_binary): Move code from here.
352 2006-06-03 Roger Sayle <roger@eyesopen.com>
354 PR target/26223
355 * config/i386/i386.c (construct_container): Split static issued_error
356 flag into issued_sse_arg_error, issued_sse_ret_error and
357 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
358 requires the use of x87 registers and the user explicitly
359 specified the -mno-80387 command line option.
361 2006-06-02 Geoffrey Keating <geoffk@apple.com>
363 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
364 HAVE_DECL_SIGALTSTACK.
365 (MC_FLD): New.
366 (segv_handler): Use MC_FLD.
367 * configure.ac: Check for a sigaltstack declaration.
368 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
369 * configure: Regenerate.
370 * config.in: Regenerate.
372 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
374 PR other/27850
375 * Makefile.in (stmp-fixinc): Fix typo.
377 2006-06-02 Roger Sayle <roger@eyesopen.com>
379 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
380 are type correct. Clean-up.
381 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
382 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
384 2006-06-01 DJ Delorie <dj@redhat.com>
386 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
387 shift, as we've disabled the "switch" insn that needs it.
389 2006-06-01 Per Bothner <bothner@bothner.com>
391 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
392 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
393 * c-ppoutput.c (cb_define): Don't increment line 0.
395 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
397 * doc/invoke.texi: Add cpu_type power6.
398 * config.gcc: Add cpu_type power6.
399 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
400 to power5+ with Altivec.
401 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
402 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
404 2006-05-30 Anatoly Sokolov <aesok@post.ru>
406 * config/avr/avr.h (SET_ASM_OP): Define.
408 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
410 * config/bfin/bfin.c: Fix comment typos.
412 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
414 PR 25453
415 * doc/install.texi: Document --enable-bootstrap and
416 --disable-bootstrap.
418 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
420 * doc/install.texi: Document that InfoZIP can replace jar.
422 2006-05-31 Roger Sayle <roger@eyesopen.com>
424 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
425 isn't available, directly generate the simpler x87 patterns without
426 the (use (const_int 0)).
427 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
428 implementation isn't available.
429 (*negdf2_1): Likewise.
430 (*negxf2_1): XF mode negation is always done using the x87.
431 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
433 2006-05-31 Roger Sayle <roger@eyesopen.com>
435 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
436 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
437 cabs(z).
438 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
440 2006-05-31 Jie Zhang <jie.zhang@analog.com>
442 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
443 * config/bfin/bfin.c (basic-block.h): Include.
444 (struct machine_function): New.
445 (bfin_init_machine_status): New.
446 (override_options): Initialize init_machine_status.
447 (bfin_hardware_loop): New.
448 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
449 (DEF_VEC_P (loop_info)): New.
450 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
451 (struct loop_info): New.
452 (loop_info): New typedef.
453 (struct loop_work): New.
454 (loop_work): New typedef.
455 (DEF_VEC_O (loop_work)): New.
456 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
457 (bfin_dump_loops): New.
458 (bfin_bb_in_loop): New.
459 (bfin_scan_loop): New.
460 (bfin_optimize_loop): New.
461 (bfin_reorg_loops): New.
462 (bfin_reorg): Use bfin_reorg_loops.
463 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
464 loop registers.
465 (I_REGNO_P): Simplify.
466 (DP_REGNO_P, DPREG_P): New macros.
467 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
468 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
469 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
470 Add LT_REGS, LC_REGS, LB_REGS.
471 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
472 'l' for LB_REGS.
473 (REGNO_REG_CLASS): Deal with loop registers.
474 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
475 letters.
476 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
477 New constants for loop registers.
478 (UNSPEC_LSETUP_END): New.
479 (seq_insns): New define_attr. Set it for appropriate insns.
480 (movsi_insn): Add alternatives for move from/to
481 loop count registers.
482 (doloop_end): New define_expand.
483 (loop_end): New define_insn.
484 (define_split for bad doloop_end): New.
485 (lsetup_with_autoinit): New define_insn.
486 (lsetup_without_autoinit): New define_insn.
487 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
488 * config/bfin/predicates.md (lc_register_operand): New.
489 (lt_register_operand): New.
490 (lb_register_operand): New.
491 (nondp_register_operand): New.
492 (nondp_reg_or_memory_operand): New.
493 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
495 2006-05-31 Jie Zhang <jie.zhang@analog.com>
497 * config/bfin/bfin.c (bfin_delegitimize_address): New.
498 (TARGET_DELEGITIMIZE_ADDRESS): Define.
500 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
502 * Makefile.in (CATALOGS): Add po/ prefix.
503 * configure: Regenerated.
505 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
507 PR target/27829
508 * arm.c (arm_print_operand case 'S'): Validate that the operand is
509 a shift operand before calling shift_op. Avoid redundant call of
510 shift_op.
512 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
513 DJ Delorie <dj@redhat.com>
515 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
516 we're inserting is a singlt-bit constant.
518 2006-05-30 Roger Sayle <roger@eyesopen.com>
520 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
521 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
523 2006-05-30 Roger Sayle <roger@eyesopen.com>
525 PR tree-optimization/23452
526 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
527 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
528 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
529 complex values and with -ffast-math for FP complex values.
531 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
533 * c-common.h: Remove the prototype for yyparse.
534 * rtl.h: Remove the prototype for init_loop.
536 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
538 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
539 calling recog.
541 2006-05-30 Roger Sayle <roger@eyesopen.com>
543 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
544 and rotate cases.
545 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
546 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
548 2006-05-30 Dirk Mueller <dmueller@suse.de>
550 PR c/27273
551 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
552 for CONSTANT_CLASS_P expresisons.
554 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
556 PR c/27718
557 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
559 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
561 PR tree-optimization/27779
562 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
563 initial_condition instead of CHREC_LEFT.
565 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
567 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
568 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
569 Make prototypes ISO C90.
571 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
572 Leehod Baruch <leehod.baruch@weizmann.ac.il>
574 * see.c (see_analyze_one_def): Correct check.
575 (see_get_extension_data): Check if extension is parallel.
576 (see_get_extension_reg): Likewise.
578 2006-05-30 Uros Bizjak <uros@kss-loka.si>
580 PR target/27790
581 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
582 into register for (code == GTU).
584 2006-05-29 Roger Sayle <roger@eyesopen.com>
586 PR tree-optimization/24964
587 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
588 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
589 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
590 abs(x)*abs(x) as x*x for scalar floating point modes.
592 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
594 PR middle-end/27745
595 * lambda-code.c (perfect_nestify): Don't copy statements
596 in the inner loop: move them to the inner loop header.
598 2006-05-29 Diego Novillo <dnovillo@redhat.com>
600 PR 26237
601 * c-tree.texi: Document OpenMP directives and clauses.
603 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
605 * varasm.c (globalize_decl): Fix indentation.
607 2006-05-29 Diego Novillo <dnovillo@redhat.com>
609 PR 26242
610 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
611 pass_fre, pass_store_ccp, pass_copy_prop,
612 pass_store_copy_prop, pass_merge_phi, pass_nrv,
613 pass_return_slot, pass_object_size, pass_lim,
614 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
615 pass_loop_prefetch and pass_stdarg.
617 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
619 * config/bfin/bfin.opt (mfdpic): New option.
620 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
621 (EXTRA_MULTILIB_PARTS): Likewise.
622 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
623 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
624 multilib.
625 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
626 (CRT_CALL_STATIC_FUNCTION): New.
627 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
628 -shared.
629 (CRT_CALL_STATIC_FUNCTION): New.
630 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
631 FD-PIC moves.
632 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
633 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
634 (initialize_trampoline): Changed to handle FD-PIC code generation.
635 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
636 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
637 (override_options): Disallow -mid-shared-library -mfdpic combination.
638 Can't do unaligned ops if FD-PIC.
639 Turn off flag_pic if trying to generate non-id-shared-library
640 non-fdpic code, since it's not supported.
641 (bfin_assemble_integer): New function.
642 (TARGET_ASM_INTEGER): Define.
643 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
644 __BFIN_FDPIC__.
645 * config/bfin/crtn.s: Restore them.
646 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
647 if TARGET_FDPIC.
648 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
649 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
650 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
651 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
652 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
653 call-used.
654 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
655 FDPIC_REGS and FDPIC_FPTR_REGS.
656 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
657 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
658 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
659 (load_funcdescsi): New pattern.
660 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
661 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
662 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
664 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
666 * gcse.c, rtlanal.c: Remove obsolete comments associated with
667 loop.c.
669 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
671 * tree-flow.h: Remove the prototype for add_type_alias.
672 * tree-ssa-alias.c (add_type_alias): Remove.
674 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
676 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
677 config/fr30/fr30.md, config/i386/i386-interix.h,
678 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
679 config/sh/superh64.h, config/v850/v850.c, df-core.c,
680 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
681 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
682 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
683 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
684 Follow spelling conventions.
685 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
686 Follow spelling conventions.
688 2006-05-27 Richard Guenther <rguenther@suse.de>
690 PR middle-end/27773
691 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
692 to produce a constant of value 1 of generic type.
694 2006-05-27 Dirk Mueller <dmueller@suse.de>
696 * cgraphunit.c (decide_is_function_needed): Fix wrong
697 PR reference.
699 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
701 PR rtl-optimization/27661
702 * reload.c (find_reloads): When reloading a VOIDmode constant
703 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
704 use Pmode as mode of the reload register.
706 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
708 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
709 is enabled at -O and above.
711 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
713 PR target/27571
714 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
715 table data.
717 2006-05-25 Mark Mitchell <mark@codesourcery.com>
719 PR c++/20103
720 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
721 for anonymous variables explicitly declared by front ends.
723 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
725 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
726 (struct alias_info): Add new field ref_all_symbol_mem_tag.
727 * tree-ssa-alias.c (compute_may_aliases): If the program contains
728 ref-all pointers, run a finalization pass for them.
729 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
730 (finalize_ref_all_pointers): New function.
731 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
732 regular pointer type to a ref-all pointer type.
733 (get_tmt_for): Return the special memory tag for ref-all pointers.
735 2006-05-25 Richard Guenther <rguenther@suse.de>
737 PR middle-end/27743
738 * fold-const.c (fold_binary): Do not look at the stripped
739 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
741 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
743 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
744 for LT and GT if the computed range is effectively empty.
746 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
748 PR target/27627
749 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
750 mips_quad_format formats instead of ieee_single_format,
751 ieee_double_format and ieee_quad_format formats, respectively.
753 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
755 PR tree-optimization/27639
756 PR tree-optimization/26719
757 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
758 call to scev_probably_wraps_p.
759 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
760 used_in_pointer_arithmetic_p, convert_step): Removed.
761 (nowrap_type_p): New function.
762 (scev_probably_wraps_p): Rewritten.
763 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
764 chrec_convert if chrec_convert_aggressive might have been used.
765 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
766 scev_direction): New functions.
767 (chrec_convert): Changed to a wrapper over chrec_convert_1.
768 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
769 instead of convert_step.
770 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
771 (convert_step): Declaration removed.
772 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
774 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
776 * df-core.c: Added to header comments.
777 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
778 df_ur_bb_info, df_urec_bb_info): Added comments.
779 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
780 urec, ri problems): Fixed header comments.
781 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
782 code from df_rd_transfer_function.
784 2006-05-23 Richard Sandiford <richard@codesourcery.com>
786 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
787 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
788 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
790 2006-05-23 Joseph Myers <joseph@codesourcery.com>
792 * expr.c (undefined_operand_subword_p): New.
793 (emit_move_multi_word): Do not generate move from undefined bits
794 of a paradoxical subreg.
796 2006-05-23 Richard Sandiford <richard@codesourcery.com>
798 PR rtl-optimization/27736
799 * combine.c (replaced_rhs_value): New variable.
800 (combine_instructions): Set it.
801 (distribute_notes): When distributing a note in replaced_rhs_insn,
802 check whether the value was used in replaced_rhs_value.
804 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
806 PR c++/26757
807 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
808 add_referenced_var instead of add_referenced_tmp_var.
809 * tree-complex.c (create_one_component_var): Use add_referenced_var.
810 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
811 add_referenced_var.
812 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
813 tree_optimize_tail_calls_1): Use add_referenced_var.
814 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
815 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
816 Use add_referenced_var.
817 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
818 * gimplify.c (force_gimple_operand): Use add_referenced_var.
819 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
820 Use add_referenced_var.
821 * tree-dfa.c (struct walk_state): Remove.
822 (find_referenced_vars): Remove walk state and vars_found hash table.
823 (make_rename_temp): Use add_referenced_var.
824 (find_vars_r): Pass less parameters to add_referenced_var.
825 (referenced_var_p): New. Is var in referenced_var hash table.
826 (referenced_var_insert): Assert var isn't already in hash table.
827 (add_referenced_var): Don't need walk_state parameter. Add var if it
828 isn't already in the hash table.
829 (add_referenced_tmp_var): Remove.
830 (find_new_referenced_vars_1): Use add_referenced_var.
831 * tree-ssa-pre.c (create_expression_by_pieces,
832 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
833 Use add_referenced_var.
834 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
835 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
836 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
837 add_referenced_var.
838 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
839 vect_create_data_ref_ptr, vect_create_destination_var,
840 vect_init_vector, vect_build_loop_niters,
841 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
842 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
843 Use add_referenced_var.
844 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
845 * tree-flow.h (add_referenced_tmp_var): Remove prototype
846 (add_referenced_var): Add prototype.
847 * tree-ssa-structalias.c (get_constraint_for,
848 intra_create_variable_infos): Use add_referenced_var.
850 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
852 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
853 big-endian paradoxical subregs.
854 * var-tracking.c (struct micro_operation_def): Document that,
855 for modify micro operations, insn is the subsequent instruction.
856 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
857 (var_reg_set, var_mem_set): ... new functions.
858 (add_stores): Record subsequent insn.
859 (compute_bb_dataflow): Use new functions for MO_USE.
860 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
861 notes after the insn, and modify notes before the insn known
862 to be the subsequent one.
863 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
865 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
867 PR target/27696
868 * config/i386/i386.c (ix86_expand_builtin): Use
869 gen_sse3_monitor64 for TARGET_64BIT.
871 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
873 PR rtl-optimization/26375
874 PR rtl-optimization/26855
875 * df-problems (df_ru_bb_local_compute_process_def): Removed update
876 to gen set.
877 (df_ru_bb_local_compute): Reversed statements and removed bogus
878 comment explaining why they should be in wrong order.
879 (df_ru_dump, df_rd_dump): Enhanced debug info.
880 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
881 debug info.
882 * ddg.c (add_deps_for_def): Converted use of reaching defs to
883 reaching uses and fixed space problem.
885 2006-05-23 Jan Hubicka <jh@suse.cz>
887 * cgraphunit.c (decide_is_function_needed): Also nested functions
888 and functions declared inline can be optimized out at -O0.
890 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
892 * doc/install.texi (Configuration): Remove reference to CrossGCC
893 FAQ which was hijacked.
894 (Building): Ditto.
896 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
898 PR target/27266
899 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
900 ix86_compare_emitted is non-NULL.
902 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
904 PR c++/27451
905 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
906 clobbers.
908 2006-05-22 Richard Sandiford <richard@codesourcery.com>
910 PR rtl-optimization/25514
911 * combine.c (replaced_rhs_insn): New variable.
912 (combine_instructions): Set replaced_rhs_insn when trying to replace
913 a SET_SRC with a REG_EQUAL note.
914 (distribute_notes): Use replaced_rhs_insn when determining the live
915 range of a REG_DEAD register.
917 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
918 Anatoly Sokolov <aesok@post.ru>
920 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
921 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
922 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
923 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
924 atmega3290, atmega649, atmega6490, atmega406, atmega640,
925 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
926 at90usb647, at90usb1286 and at90usb1287 devices.
927 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
928 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
930 2006-05-22 Richard Sandiford <richard@codesourcery.com>
932 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
934 2006-05-22 Richard Guenther <rguenther@suse.de>
936 Revert
937 2006-01-31 Richard Guenther <rguenther@suse.de>
938 Paolo Bonzini <bonzini@gnu.org>
940 * doc/install.texi (--disable-libgcc-math): Document.
942 2006-05-22 Richard Guenther <rguenther@suse.de>
944 Revert
945 2006-01-31 Richard Guenther <rguenther@suse.de>
947 * doc/invoke.texi (-msselibm): Document.
948 * target.h (expand_library_builtin): New target hook.
949 * builtins.c (expand_builtin): Use expand_library_builtin.
950 (default_expand_library_builtin): New function.
951 * gcc.c (LINK_GCC_MATH_SPEC): Define.
952 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
953 (link_gcc_math_spec): Declare.
954 (static_specs): Add link_gcc_math_spec.
955 * expr.h (default_expand_library_builtin): Declare.
956 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
957 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
958 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
959 * config/i386/i386.opt (msselibm): New target option.
960 * config/i386/i386.c (ix86_builtin_function_variants): New array.
961 (ix86_init_sse_abi_builtins): New function.
962 (ix86_expand_library_builtin): Likewise.
963 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
964 (override_options): Handle error conditions wrt -msselibm.
965 (ix86_builtins): Add function codes for SSE2 ABI builtins.
966 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
967 * doc/extend.texi (__builtin_sse2_*): Document new target specific
968 builtins.
970 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
972 PR c/27420
973 * c-common.c (self_promoting_args_p): Skip erroneous args.
975 PR c/26818
976 * c-decl.c (finish_struct): Skip erroneous fields.
978 2006-05-22 Nick Clifton <nickc@redhat.com>
980 * config/cris/cris.opt (march): Remove VarExists attribute.
981 (max-stackframe=): Likewise.
983 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
985 * doc/rtl.texi: Fix a typo.
986 * see.c: Fix comment typos.
988 * tree-ssa-structalias.h (alias_info): Remove num_references.
990 2006-05-21 Mike Stump <mrs@apple.com>
992 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
993 (BAD2): Add.
994 (darwin_pragma_options): Use BAD instead.
995 (darwin_pragma_unused): Likewise.
996 (darwin_pragma_ms_struct): Likewise.
998 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1000 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1002 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1004 PR rtl-optimization/27671
1005 * simplify-rtx.c (simplify_relational_operation_1): Fix
1006 simplifications of (eq/ne (xor x y) y) and
1007 (eq/ne (xor x y) x).
1009 PR tree-optimization/26622.
1010 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1011 on arg1.
1013 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1015 * tree-cfg.c: Prune whitespace.
1016 (debug_tree_cfg): Point to correct header containing the
1017 TDF_* defines.
1019 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1021 PR middle-end/25776
1022 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1024 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1026 PR middle-end/25776
1027 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1028 or sorry count is non zero.
1030 2006-05-20 Andreas Schwab <schwab@suse.de>
1032 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1034 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1035 Kenneth Zadeck <zadeck@naturalbridge.com>
1037 PR rtl-optimization/26855
1039 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1040 multiword refs.
1041 (df_scan_alloc): Added code to properly handle multiword hard
1042 registers and add all_blocks parameter.
1043 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1044 code to properly handle multiword hard registers.
1045 (df_rescan_blocks): Added code to remove deleted blocks from
1046 bitmap.
1047 (df_ref_create_structure, df_ref_record): Added code to properly
1048 handle subregs.
1049 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1050 and set DF_REF_PARTIAL.
1051 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1052 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1053 (df_scan_add_problem): Added flags parameter.
1054 (df_ref_create_structure): Changed switching structure.
1055 (df_bb_refs_record): Fixed case where duplicate artificial refs
1056 were created. Changed location of flags.
1057 (df_record_entry_block_defs): Added code to make stack pointer
1058 live in entry block. Refined cases where frame pointer is needed.
1059 Changed location of flags.
1060 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1061 (df_set_state): Removed function.
1062 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1063 df_insn_create_insn_record, df_insn_refs_delete,
1064 df_ref_create_structure): Formatting changes.
1065 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1066 df_delete_basic_block): New function.
1067 (df_init): Changed location of flags.
1068 (df_add_problem): Added flags parameter and the way flags are
1069 processed.
1070 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1071 debug_df_chain): Improved debugging output.
1072 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1073 (df_refs_chain_dump): Removed df parameter.
1074 (df_iterative_dataflow): Added consistency check.
1075 (df_prune_to_subcfg): Made public.
1076 (df_analyze_problem): Added blocks_to_init parameter and made
1077 public.
1078 (df_ref_record, df_bb_refs_record, df_mark_reg,
1079 df_record_exit_block_uses): Whitespace changes.
1080 (df_dump): Whitespace changes.
1081 * df.h: Some reordering to remove forward references.
1082 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1083 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1084 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1085 (dataflow.flags): New field.
1086 (df.flag): Deleted field.
1087 (df_alloc_function): Added additional bitmap parameter.
1088 (df_dependent_problem_function): New type.
1089 (df_problem.changeable_flags): New field.
1090 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1091 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1092 (df_mw_hardreg): New struct.
1093 (DF_INSN_UID_MWS): New macro.
1094 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1095 parameter.
1096 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1097 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1098 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1099 (df_set_state): Removed function.
1100 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1101 * df-problems.c (df_chain_dump): Removed df parameter.
1102 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1103 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1104 parameter.
1105 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1106 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1107 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1108 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1109 DF_REF_MUST_CLOBBER cases.
1110 (df_ru_bb_local_compute_process_def,
1111 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1112 df_lr_bb_local_compute, df_ur_bb_local_compute,
1113 df_chain_create_bb): Made subreg aware.
1114 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1115 df_lr_bb_local_compute, df_lr_bb_local_compute,
1116 df_chain_create_bb): Cleanup to use proper macros.
1117 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1118 code to fixup bitvectors.
1119 (df_ri_alloc): Cleared lifetime.
1120 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1121 df_create_unused_note): New function.
1122 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1123 REG_DEAD and REG_UNUSED notes as well as register information.
1124 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1125 df_chains_dump): Fixed crash if problem was never run.
1126 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1127 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1128 df_ri_add_problem): Processes flags in uniform manner.
1129 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1130 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1131 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1132 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1133 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1134 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1135 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1136 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1137 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1138 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1139 * see.c (see_initialize_data): Ditto.
1140 * final.c (rest_of_clean_state) Added regstack_completed.
1141 * rtl.h (regstack_completed): Ditto.
1142 * reg-stack.c (regstack_completed): Ditto.
1144 2006-05-19 Mike Stump <mrs@apple.com>
1146 * c-tree.h (default_conversion): Remove.
1147 * c-common.h (default_conversion): Add.
1149 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1151 * tree-vrp.c (valid_value_p): New function.
1152 (adjust_range_with_scev): Fail if the value of bound is not
1153 simple.
1155 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1157 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1158 (mips_fallback_frame_state): Use syscall numbers to determine
1159 the appropriate li instruction for the current ABI. Only use
1160 __NR_sigreturn for o32.
1162 2006-05-19 Nicolas Setton <setton@adacore.com>
1164 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1165 * langhooks.c (lhd_dwarf_name): New function.
1166 * langhooks-def.h (lhd_dwarf_name): Declare.
1167 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1168 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1169 * ada/misc.c (gnat_dwarf_name): New function.
1170 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1172 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1174 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1175 libgcc2.h.
1176 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1177 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1178 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1179 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1180 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1181 determine the size of Wtype, etc.
1182 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1183 (swfloatfuncs): New variable.
1184 (dwfloatfuncs): Likewise.
1185 (lib2funcs): Remove floating-point conversion functions from
1186 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1187 the set of conversion routines needed. Allow entries to specify
1188 an object name, filename and word size. Update users accordingly.
1189 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1190 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1192 Revert:
1194 2006-02-08 Roger Sayle <roger@eyesopen.com>
1196 PR target/22209
1197 * config/fixtfdi.c: New libgcc source file.
1198 * config/fixunstfdi.c: New source file.
1199 * config/floatditf.c: New source file.
1200 * config/floatunditf.c: New souce file.
1201 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1202 files above instead of config/mips/_tilib.c.
1203 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1205 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1207 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1208 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1210 2006-05-18 Mike Stump <mrs@apple.com>
1212 Fix up vla, vm and [*] sematics.
1214 PR c/18740
1215 PR c/7948
1216 PR c/25802
1217 PR c/27673
1218 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1219 (c_vla_unspec_p): Add.
1220 (c_vla_type_p): Add.
1221 * c-decl.c (struct c_scope): Add had_vla_unspec.
1222 (build_array_declarator): Add support for [*].
1223 (grokdeclarator): Likewise.
1224 (grokparms): Likewise.
1225 (get_parm_info): Likewise.
1226 * c-objc-common.c (c_vla_unspec_p): Likewise.
1227 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1228 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1229 typeof when argument is a variably modified type not inside sizeof or alignof.
1230 (c_parser_direct_declarator_inner): Propagate errors.
1231 (c_parser_sizeof_expression): Add support for [*].
1232 (c_parser_parms_declarator): Initialize had_vla_unspec.
1233 (c_parser_parms_list_declarator): Likewise.
1234 * c-typeck.c (c_vla_type_p): Add.
1235 (composite_type): Add support for vla compositing.
1236 (comptypes_internal): Add support for vla compatibility.
1237 (c_expr_sizeof_expr): Evaluate vla arguments.
1238 * tree.c (variably_modified_type_p): Update comment for [*].
1240 2006-05-18 Michael Matz <matz@suse.de>
1242 PR target/27599
1243 * config.host: Make assignments to host_xmake_file cumulative.
1244 * config.host (*-darwin*): Test $host, not $target.
1246 2006-05-12 Stuart Hastings <stuart@apple.com>
1248 * config/i386/i386.opt (-mstackrealign): New flag.
1249 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1250 (ix86_handle_cconv_attribute): Emit error when
1251 force_align_arg_pointer attribute collides with too many regparms.
1252 (ix86_function_regparm): Limit regparms when used with
1253 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1254 Support stack-realigning prologue in non-main functions. Emit
1255 warning for nested functions under -mstackrealign, emit error for
1256 nested functions with force_align_arg_pointer attribute.
1257 * doc/extend.texi (force_align_arg_pointer): Document it.
1258 * doc/invoke.texi (-mstackrealign): Document it.
1260 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1262 PR rtl-optimization/27477
1263 * combine.c (try_combine): Don't split a parallel consisting
1264 of two sets into two individual sets if both sets reference
1265 cc0.
1267 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1269 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1270 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1272 * doc/options.texi (VarExists): Updated.
1274 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1276 * unwind-dw2.c: Add declarations for uw_update_context and
1277 uw_frame_state_for.
1278 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1279 detected, advance frame state and context once to skip over stub.
1281 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1283 PR middle-end/20256
1284 PR middle-end/26435
1285 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1286 Call rewrite_into_loop_closed_ssa only when something changed.
1287 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1288 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1289 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1290 Test for perfect_nest_p here. Fix formating.
1291 (replace_uses_equiv_to_x_with_y): Fix formating.
1292 (stmt_uses_op): Removed.
1293 (can_convert_to_perfect_nest): Removed loopivs parameter.
1294 Complete the test by checking the scalar dependences.
1295 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1296 Fix formating.
1298 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1300 PR bootstrap/22541
1301 From Dan Kegel <dank@kegel.com>:
1302 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1304 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1306 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1307 if the element type is variably modified without recursing.
1309 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1311 PR middle-end/27332
1312 * tree-loop-linear.c (try_interchange_loops): Test for
1313 no data dependences.
1315 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1317 PR tree-optimization/27548
1318 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1319 range of ssa names that appear on abnormal edges.
1320 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1321 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1323 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1325 PR middle-end/27620
1326 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1328 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1330 PR middle-end/27415
1331 * tree.h (OMP_PARALLEL_COMBINED): Define.
1332 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1333 (new_omp_context): Add is_combined_parallel argument.
1334 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1335 new_omp_context caller.
1336 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1337 Adjust gimplify_scan_omp_clauses callers.
1338 (omp_is_private): Issue errors if iteration variable is firstprivate
1339 or reduction in the current context.
1340 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1341 on combined parallel workshare constructs.
1343 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1345 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1346 (gcc-options.o): New rule.
1348 * optc-gen.awk: Protect variables for gcc-options.o with
1349 #ifdef GCC_DRIVER/#endif.
1351 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1353 Fix PR tree-optimization/27373
1354 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1355 (forward_propagate_addr_expr): Update call.
1357 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1359 * doc/options.texi: Move the Negative option.
1361 2006-05-16 Richard Guenther <rguenther@suse.de>
1363 PR tree-optimization/22303
1364 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
1365 from STRING_CSTs.
1366 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
1367 ccp_fold did not simplify the statement.
1369 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1371 PR driver/26885
1372 * Makefile.in (GCC_OBJS): New.
1373 (OBJS-common): Add opts-common.o.
1374 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
1375 (cpp$(exeext)): Likewise.
1376 (gcc.o): Also depend on opts.h.
1377 (opts-common.o): New.
1379 * common.opt (gcoff): Add Negative(gdwarf-2).
1380 (gdwarf-2): Add Negative(gstabs).
1381 (gstabs): Add Negative(gstabs+).
1382 (gstabs+): Add Negative(gvms).
1383 (gvms): Add Negative(gxcoff).
1384 (gxcoff): Add Negative(gxcoff+).
1385 (gxcoff+): Add Negative(gcoff).
1386 * config/i386/i386.opt (m32): Add Negative(m64).
1387 (m64): Add Negative(m32).
1389 * doc/options.texi: Document the Negative option.
1391 * gcc.c: Include "opts.h".
1392 (main): Call prune_options after expandargv.
1394 * optc-gen.awk: Generate common declarations for all flag
1395 variables in options.c. Output the neg_index field.
1397 * opts.c (find_opt): Moved to ...
1398 * opts-common.c: Here. New file.
1400 * opts.h (cl_option): Add a neg_index field.
1401 (find_opt): New.
1402 (prune_options): Likewise.
1404 2006-05-16 Jakub Jelinek <jakub@redhat.com>
1406 PR middle-end/27573
1407 * omp-low.c (expand_omp_parallel): Don't assert
1408 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
1409 instead search for it.
1411 PR c/27499
1412 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
1413 is signed.
1415 2006-05-16 Andreas Schwab <schwab@suse.de>
1417 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
1418 defmac.
1420 2006-05-15 Roger Sayle <roger@eyesopen.com>
1422 PR target/26600
1423 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
1424 integer constants other than zero are only legitimate on TARGET_64BIT.
1425 <CONST_VECTOR> Only zero vectors are legitimate.
1426 (ix86_cannot_force_const_mem): Integral and vector constants can
1427 always be put in the constant pool.
1429 2006-05-16 DJ Delorie <dj@redhat.com>
1431 * crtstuff.c (__dso_handle): Set section from
1432 TARGET_LBIGCC_SDATA_SECTION if defined.
1433 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
1434 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
1436 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
1438 PR target/27599
1439 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
1440 host_xmake_file.
1442 2006-05-16 Ben Elliston <bje@au.ibm.com>
1444 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
1446 2006-05-15 Per Bothner <per@bothner.com>
1448 * tree.c: (last_annotated_node): Use source_locus typedef.
1449 This permits bootstrapping with --enable-mapped-location.
1451 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
1453 PR tree-optimization/26830
1454 * tree-into-ssa.c (struct ssa_name_info): Add age field.
1455 (info_for_ssa_name, current_info_for_ssa_name_age,
1456 blocks_to_update): New variables.
1457 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
1458 (clear_ssa_name_info, initialize_flags_in_bb,
1459 mark_block_for_update): New functions.
1460 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
1461 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
1462 prepare_def_site_for): Use mark_block_for_update.
1463 (mark_def_interesting): Assert that the processed block is marked in
1464 blocks_to_update. Do not take blocks argument.
1465 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
1466 argument.
1467 (rewrite_update_init_block, rewrite_update_stmt): Only process
1468 blocks with statements to rewrite.
1469 (delete_update_ssa): Do not clear SSA_NAME_AUX.
1470 (update_ssa): Initialize and free blocks_to_update. Do not
1471 clear flags on statements. Do not use blocks bitmap.
1472 * tree.h (SSA_NAME_AUX): Removed.
1473 (struct tree_ssa_name): Removed aux field.
1474 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
1476 2006-05-15 Richard Guenther <rguenther@suse.de>
1478 PR tree-optimization/27603
1479 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1480 Do computations in original type.
1482 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
1484 * see.c: Code style changes such as redundant paranthesis,
1485 redundant intialization of local variables etc.
1486 (see_main): Declared now as static.
1487 * doc/invoke.texi: Update that -fsee is not enabled by
1488 default at -O3.
1490 2006-05-15 Jakub Jelinek <jakub@redhat.com>
1492 * omp-low.c (check_omp_nesting_restrictions): New function.
1493 (scan_omp_1): Call it.
1495 PR middle-end/27416
1496 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
1497 construct, return *VAR.
1499 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
1501 PR rtl-optimization/27406
1502 * bt-load.c (migrate_btr_def): Skip the block having abnormal
1503 edges.
1505 2006-05-14 Roger Sayle <roger@eyesopen.com>
1507 PR rtl-optimization/27538
1508 * combine.c (expand_compound_operation): Call gen_lowpart
1509 before calling simplify_shift_const.
1511 2006-05-14 Roger Sayle <roger@eyesopen.com>
1513 PR rtl-optimization/22563
1514 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
1515 a fixed width bitfield, always force the intermediates into psuedos.
1517 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
1519 PR 27501
1520 * mkconfig.sh: Use operator = instead of == for test.
1522 2006-05-13 Nick Clifton <nickc@redhat.com>
1524 * dwarf2out.c (dbx_reg_number): Check return value from
1525 LEAF_REG_REMAP and only use it if it is valid.
1526 (multiple_reg_loc_descriptor): Likewise.
1528 2006-05-13 Richard Guenther <rguenther@suse.de>
1530 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
1531 host_xmake_file.
1533 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
1535 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
1536 information attached to non-INSNs such as NOTEs.
1537 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
1539 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
1541 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
1542 On contraint.
1543 * config/s390/s390.md: Adjust comment describing On constraint.
1545 2006-05-11 Jan Hubicka <jh@suse.cz>
1547 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
1548 to be output at -O0.
1550 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1552 PR middle-end/27384
1553 * fold-const.c (size_binop): Move sanity check for arguments to
1554 the beginning of the function.
1556 PR middle-end/27488
1557 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
1558 expression.
1560 2006-05-11 Richard Guenther <rguenther@suse.de>
1562 PR middle-end/27529
1563 * fold-const.c (fold_unary): Handle intermediate conversion
1564 to a pointer type like intermediate conversion to an integer
1565 type in folding of (T1)(T2)var to var.
1566 Match the code to the comment in the final conversion for
1567 (T1)(T2)var to (T1)var regarding to type precision. Rather
1568 than disallow T1 being of pointer type, assert that both T1
1569 and var are of pointer type or not. Make sure not to fall
1570 over the frontends lazyness wrt array to pointer decay though.
1572 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
1574 * arm.c (arm_struct_value_rtx): Delete.
1575 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
1576 (arm_init_cumulative_args): Always initialize nregs to zero.
1578 2006-05-10 Richard Guenther <rguenther@suse.de>
1580 PR tree-optimization/27532
1581 * tree-object-size.c (plus_expr_object_size): Fix typo.
1583 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1585 PR target/24949
1586 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1587 ashrdi_const, ashrdi3): Use a scratch register.
1589 2006-05-10 Richard Guenther <rguenther@suse.de>
1591 PR tree-optimization/27302
1592 * fold-const.c (operand_equal_p): For two comparisons,
1593 try comparison of one comparison code swapped if that yields
1594 the same code.
1596 2006-05-10 Ben Elliston <bje@au.ibm.com>
1598 * tree-pretty-print.c (pretty_print_string): No need to handle
1599 '\0' as a special character.
1601 * tree.h: Include "hashtab.h".
1602 (iterative_hash_expr): Use hashval_t in its prototype.
1603 * Makefile.in (TREE_H): Add $(HASHTAB_H).
1605 2006-05-09 Steve Ellcey <sje@cup.hp.com>
1607 PR bootstrap/26872
1608 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
1609 (hppa*64*-*-hpux11*): Ditto.
1610 (hppa[12]*-*-hpux11*): Ditto.
1612 2006-05-09 David Edelsohn <edelsohn@gnu.org>
1614 PR target/26545
1615 * config/rs6000/aix41.h (TARGET_64BIT): Define.
1617 2006-05-09 Michael Matz <matz@suse.de>
1619 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
1620 host_extra_gcc_objs and host_xmake_file.
1621 (<*-*-linux*>): Don't overwrite host_xmake_file.
1622 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
1623 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
1624 (host_detect_local_cpu): Declare.
1625 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
1626 * config/i386/i386.c (override_options): Handle -mtune=native
1627 as -mtune=generic.
1628 * config/i386/x-i386: New file.
1629 * config/i386/driver-i386.c: New file.
1630 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
1631 cpu-type "native".
1633 2006-05-09 Dirk Mueller <dmueller@suse.de>
1634 Richard Guenther <rguenther@suse.de>
1636 PR middle-end/27498
1637 * fold-const.c (fold_read_from_constant_string): Relax check
1638 for matching types to matching modes.
1640 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
1642 PR rtl-optimization/27335
1643 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
1644 loops.
1646 2006-05-08 Chao-ying Fu <fu@mips.com>
1647 Richard Sandiford <richard@codesourcery.com>
1649 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
1650 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
1651 * config/mips/mips.md (UNSPEC_SCC): New constant.
1652 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
1653 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
1654 (mips_emit_compare): Use it.
1655 (mips_expand_vcondv2sf): New function.
1657 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
1659 Fix PR tree-optimization/27093
1660 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
1661 renaming when they become not-used_alone.
1663 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1665 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
1666 relocation and relocation stubs.
1668 2006-05-08 Eric Christopher <echristo@apple.com>
1670 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
1671 section for ppc.
1673 2006-05-08 Jan Hubicka <jh@suse.cz>
1675 PR middle-end/24561
1676 * cgraphunit.c (decide_is_function_needed): When not optimizing even
1677 unused static functions are needed.
1679 2006-05-08 Roger Sayle <roger@eyesopen.com>
1681 PR target/27158
1682 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1683 of a reg_equiv_constant if the result is a legitimate constant.
1685 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1687 PR target/27277
1688 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1689 standard 80387 constants, raise the cost to prevent
1690 compress_float_constant() to generate load from memory.
1692 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1694 * config/arm/constraints.md (c): Fix a typo.
1696 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1697 typos.
1699 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1701 PR target/24879
1702 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
1703 inline function.
1704 (_mm_mwait): Likewise.
1706 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1707 "mwait".
1708 (sse3_monitor): Make it 32bit only.
1709 (sse3_monitor64): New. 64bit monitor.
1711 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1713 PR target/27421
1714 * config/i386/i386.c (classify_argument): Skip fields with invalid
1715 types.
1717 2006-05-07 Richard Guenther <rguenther@suse.de>
1719 PR tree-optimization/27409
1720 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1721 Do not try to find zero-sized subvars.
1723 2006-05-07 Richard Guenther <rguenther@suse.de>
1725 PR tree-optimization/27136
1726 * tree-ssa-loop-niter.c (get_val_for): Correct function
1727 comment, assert requirements.
1728 (loop_niter_by_eval): Stop processing if the iterated
1729 value did not simplify.
1731 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1733 * opts.c (flag_see): remove its setting at -O3.
1735 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1737 * genpeep.c (main): Make insn-peep.c depend on flags.h.
1738 * arm/constraints.md: New file.
1739 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1740 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1741 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1742 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1743 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1744 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1745 * arm.md: Include constraints.md.
1746 (thumb_movsi_insn): Use satisfies_constraint_J.
1747 (movhi, movqi): Use satisfies_constraint_I.
1749 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1751 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1752 for atmeg a645 device.
1754 2006-05-06 Richard Guenther <rguenther@suse.de>
1756 PR tree-optimization/27151
1757 * tree-vect-transform.c (vectorizable_condition): Punt on
1758 values that have a different type than the condition.
1760 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1762 PR/21391
1763 * c-parser.c (c_parser_cast_expression): Only insert casts into
1764 hash table if pointer.
1765 * function.c (used_types_insert_helper): Rename from
1766 used_types_insert.
1767 (used_types_insert): Call used_types_insert_helper.
1768 * function.h (used_types_insert): Accept only one argument.
1770 2006-05-05 David Edelsohn <edesohn@gnu.org>
1772 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1773 scratch with output modifier.
1775 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1777 PR target/26481
1778 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1779 with output modifier.
1781 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1783 PR target/26765
1784 * config/mips/mips.c (mips_symbolic_address_p): Return true
1785 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1786 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1788 2006-05-04 Richard Guenther <rguenther@suse.de>
1790 PR tree-optimization/14287
1791 PR tree-optimization/14844
1792 PR tree-optimization/19792
1793 PR tree-optimization/21608
1794 PR tree-optimization/27090
1795 * tree-ssa-pre.c (try_combine_conversion): New function.
1796 (compute_avail): After constructing the value-handle
1797 expression, use try_combine_conversion to combine NOP_EXPRs
1798 with previous value-handle expressions and use the result if it
1799 is available.
1801 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1803 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1805 2006-05-04 Jan Hubicka <jh@suse.cz>
1807 PR middle-end/25962
1808 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1810 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1812 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1813 that this only matches CONST_INTs. All users changed to VOIDmode
1814 operands.
1816 * config/bfin/bfin.c: Include "optabs.h".
1817 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1818 to do more work.
1819 (enum bfin_builtins): Add a number of fractional and vector builtins.
1820 (bfin_init_builtins): Likewise.
1821 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1822 (safe_vector_operand, bfin_expand_binop_builtin,
1823 bfin_expand_unop_builtin): New functions.
1824 (bfin_expand_builtin): Handle the new builtins.
1825 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1826 __ADSPBLACKFIN__.
1828 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1830 * see.c: New file.
1831 * Makefile.in (OBJS-common): Add see.o.
1832 (see.o): Add dependencies.
1833 * common.opt (fsee): New flag for the see optimization was added.
1834 * opts.c (flag_see): Initialized.
1835 * passes.c (init_optimization_passes, pass_see): New pass.
1836 * rtl.h (see_main): Declaration as extern.
1837 * timevar.def (TV_SEE): New.
1838 * tree-pass.h (pass_see): Declaration as extern.
1839 * invoke.texi (-fsee): Document.
1840 * recog.c (validate_simplify_insn): New function.
1841 * recog.h (validate_simplify_insn): Declaration as extern.
1842 * df-problems.c (df_chain_dump): Check for NULL.
1844 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1845 Daniel Berlin <dberlin@dberlin.org>
1847 * cfgrtl.c (insert_insn_bb_end_new): New function.
1848 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1850 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1852 * df.h (struct web_entry): Moved from web.c.
1853 (union_defs): Declaration as extern.
1854 (unionfind_root): Likewise.
1855 (unionfind_union): Likewise.
1856 * web.c (struct web_entry): Moved to df.h.
1857 (unionfind_root): Remove static declaration.
1858 (unionfind_union): Likewise.
1859 (union_defs): Likewise and generalize to use callback function.
1860 (web_main): Update arguments for union_defs function call.
1862 2006-05-04 Richard Guenther <rguenther@suse.de>
1864 PR tree-optimization/26447
1865 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1866 produce SSA_NAME copies before the store stmt to avoid
1867 breaking exception handling.
1869 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1871 PR middle-end/27388
1872 * gimplify.c (omp_is_private): If var is shared in some outer context,
1873 return false instead of true. Stop searching on parallel context
1874 boundary.
1876 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1878 PR java/8260
1879 * coverage.c: Use get_gcov_unsigned_t() instead of
1880 unsigned_type_node all over.
1882 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1884 PR tree-optimization/27381
1885 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1886 maintain the same immediate_use links.
1887 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1888 node rather than segfaulting.
1890 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1892 PR fortran/27395
1893 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1894 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1895 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1897 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1899 Fix PR tree-optimization/26626
1900 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1901 always.
1902 * tree-ssa-operands.c (access_can_touch_variable): Allow
1903 typecasting through union pointers.
1905 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1907 PR c++/26943
1908 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1909 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1910 to find if var will be a global variable even in the nested context.
1911 (omp_copy_decl): Only check for global variable at the end, it might
1912 be overridden in outer contexts.
1913 (scan_sharing_clauses): For global variables don't create a field.
1914 (lower_rec_input_clauses): Do nothing for global shared variables.
1915 Emit a barrier at the end of ILIST if there were any decls in both
1916 firstprivate and lastprivate clauses.
1917 (lower_send_clauses): Do nothing for global variables except for
1918 COPYIN.
1920 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1922 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1923 of the correct signedness is returned.
1925 2006-05-02 Jeff Law <law@redhat.com>
1927 PR tree-optimization/27364
1928 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1929 multiply expressions.
1931 2006-05-02 Tom Tromey <tromey@redhat.com>
1933 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1935 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1937 PR target/27387
1938 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1939 -mthumb -fPIC are used.
1941 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1942 Joshua Kinard <kumba@gentoo.org>
1944 PR target/25871
1945 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1946 with 64-bit pointers.
1948 2006-05-02 Paul Brook <paul@codesourcery.com>
1950 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1951 and pool overlap.
1952 (create_fix_barrier): Check that a suitable barrier location is
1953 found.
1954 (arm_reorg): Include ftmp->address in allowable range of addresses.
1956 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1958 PR ada/27366
1959 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1960 on Cygwin.
1962 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1964 PR middle-end/27337
1965 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1966 around RESULT_DECL for result passed by reference.
1967 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1968 * omp-low.c (use_pointer_for_field): Don't look at
1969 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1970 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1971 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1972 time or var for passing by reference for
1973 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1974 TREE_ADDRESSABLE variables when passing by reference.
1976 * omp-low.c (dump_omp_region): Fix output formatting.
1978 PR middle-end/27328
1979 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1980 (expand_omp_parallel): Likewise.
1981 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1983 PR middle-end/27325
1984 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1985 on statement list containing also constructors and destructors.
1986 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1988 PR middle-end/27310
1989 * except.c (duplicate_eh_regions): Fix clearing of
1990 cfun->eh->region_array entries.
1992 2006-05-01 DJ Delorie <dj@redhat.com>
1994 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1995 build!=host.
1996 (gcc_cv_objdump): Likewise.
1997 * configure: Regenerated.
1999 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2001 PR target/27374
2002 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2003 templates for case 3 and 4.
2005 2006-05-01 DJ Delorie <dj@redhat.com>
2007 * vec.c: Include bconfig.h when appropriate.
2008 * Makefile.in (build/vec.o): Adjust dependencies.
2009 * mkconfig.sh: Make sure config.h isn't used for build machine
2010 compiles.
2012 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2014 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2015 variables.
2016 (mark_phi_for_rewrite): New function.
2017 (insert_phi_nodes_for, mark_use_interesting): Call
2018 mark_phi_for_rewrite.
2019 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2020 (update_ssa): Initialize and free phis_to_rewrite.
2022 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2024 PR rtl-optimization/27291
2025 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2026 folded to a constant.
2028 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2030 PR tree-optimization/27283
2031 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2032 not whole # of iteration descriptions.
2033 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2034 uses abnormal ssa name.
2035 (niter_for_single_dom_exit): Ditto.
2036 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2037 return just the number of iterations.
2039 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2041 PR tree-optimization/27144
2042 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2043 (record_estimate): Only record constant upper bound.
2044 (infer_loop_bounds_from_undefined): Call
2045 compute_estimated_nb_iterations just once.
2046 (proved_non_wrapping_p): Renamed to ...
2047 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2048 (convert_step_widening, scev_probably_wraps_p): Call
2049 n_of_executions_at_most instead of proved_non_wrapping_p.
2050 (substitute_in_loop_info): Do not replace values in bounds.
2051 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2052 comments.
2054 2006-05-01 Richard Henderson <rth@redhat.com>
2056 PR c/27358
2057 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2058 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2059 CPP_PRAGMA.
2061 2006-05-01 Roger Sayle <roger@eyesopen.com>
2063 * c-typeck.c (parser_build_binary_op): Don't call the function
2064 unsigned_conversion_warning to spot operand/result type overflow.
2065 (build_binary_op): Instead, call convert_and_check instead of
2066 convert to report the problem when the operands are promoted.
2067 * c-common.c (unsigned_conversion_warning): Make static.
2068 * c-common.h (unsigned_conversion_warning): Delete prototype.
2070 2006-05-01 Richard Guenther <rguenther@suse.de>
2072 PR tree-optimization/26726
2073 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2074 problem ...
2075 (find_interesting_uses_address): ... we work around here
2076 by folding INDIRECT_REFs in the substituted base.
2078 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2080 * omp-low.c (dump_omp_region): Add newlines.
2082 2006-04-30 Roger Sayle <roger@eyesopen.com>
2084 * common.opt (Woverflow): New command line option.
2085 * c-common.c (constant_expression_warning): Check warn_overflow.
2086 (overflow_waring): Pass OPT_Woverflow to warning.
2087 (unsigned_conversion_warning): Likewise.
2088 (convert_and_check): Likewise.
2089 * doc/invoke.texi: Document new command line option.
2091 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2093 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2094 TARGET_NO_FP_IN_TOC for section anchors.
2095 (optimization_options): Enable section anchors for all
2096 non-"Objective" languages.
2098 2006-04-28 Eric Christopher <echristo@apple.com>
2100 * config/darwin-c.c (darwin_ms_struct): Move this
2101 (darwin_set_default_type_attributes): and this...
2102 * config/darwin.c: ... here.
2103 * config/darwin.h (darwin_ms_struct): Declare.
2105 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2107 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2109 2006-04-28 Roger Sayle <roger@eyesopen.com>
2111 PR c/25309
2112 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2113 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2114 an unsigned HOST_WIDE_INT.
2115 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2116 array index.
2117 (really_start_incremental_init): No need to call convert because
2118 bitsize_zero_node is already of type bitsizetype.
2119 (push_init_level): Extract the value of constructor_index as an
2120 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2121 (process_init_element): Likewise.
2123 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2125 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2126 value before passing to make_relative_prefix.
2128 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2130 PR middle-end/27260
2131 * builtins.c (expand_builtin_memset): Expand val in original mode.
2133 2006-04-27 Eric Christopher <echristo@apple.com>
2135 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2136 with #ifndef/#endif.
2137 * config/darwin-c.c (darwin_ms_struct): New.
2138 (darwin_pragma_ms_struct): Ditto.
2139 (darwin_set_default_type_attributes): Ditto.
2140 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2141 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2142 Register ms_struct pragma.
2143 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2144 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2145 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2146 darwin_set_default_type_attributes if TARGET_MACHO.
2148 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2150 PR tree-optimization/26854
2151 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2152 * doc/tree-ssa.texi: Update immuse iterator documentation.
2153 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2154 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2155 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2156 first_safe_imm_use, next_safe_imm_use): Remove.
2157 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2158 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2159 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2160 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2161 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2162 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2163 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2164 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2165 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2166 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2167 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2168 (perfect_nestify): Use new iterator.
2169 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2170 iterator.
2171 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2172 (next_imm_name): New field in struct immediate_use_iterator_d.
2173 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2174 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2175 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2176 * tree-cfg.c (replace_uses_by): Use new iterator.
2177 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2178 * tree-ssa-operands.c (correct_use_link): Remove.
2179 (finalize_ssa_use_ops): No longer call correct_use_link.
2181 2006-04-27 Stuart Hastings <stuart@apple.com>
2183 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2184 * config/t-darwin (crt3.o): Use it.
2185 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2186 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2187 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2188 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2189 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2190 support.
2192 2006-04-27 Roger Sayle <roger@eyesopen.com>
2194 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2195 size, force the intermediate into a new pseudo rather instead of
2196 performing both a bitwise AND and a bitwise IOR in memory.
2198 2006-04-27 Richard Guenther <rguenther@suse.de>
2200 PR rtl-optimization/26685
2201 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2202 this one "max-flow-memory-locations".
2204 2006-04-27 Richard Guenther <rguenther@suse.de>
2206 PR tree-optimization/25148
2207 * tree-vrp.c (compare_values): Remove code dealing with
2208 comparisons against type min/max value. Honour overflow
2209 and negative constants in code dealing with comparisons
2210 of plus and minus expressions.
2211 (value_inside_range): Use fold_binary with LE_EXPR and
2212 GE_EXPR rather than compare_values.
2214 2006-04-27 Dirk Mueller <dmueller@suse.de>
2216 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2217 prototype for SSE.
2219 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2221 * basic-block.h (safe_insert_insn_on_edge): Removed.
2222 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2224 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2225 Paolo Bonzini <bonzini@gnu.org>
2227 PR middle-end/27282
2228 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2229 (simplify_and_const_int): Same.
2231 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2233 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2235 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2237 PR c/26171
2238 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2239 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2240 cgraph_global_info_ready.
2242 PR middle-end/26913
2243 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2245 PR c/25996
2246 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2247 either decl or init is error_mark_node.
2249 PR middle-end/25989
2250 * tree-flow.h (struct omp_region): Add sched_kind.
2251 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2252 instead of extracting omp for data.
2253 (expand_omp_for): Save extracted sched_kind.
2255 2006-04-25 Roger Sayle <roger@eyesopen.com>
2257 * expmed.c (store_bit_field): Also check whether the bitsize is
2258 valid for the machine's "insv" instruction before moving the
2259 target into a pseudo for use with the insv.
2260 * config/i386/predicates.md (const8_operand): New predicate.
2261 * config/i386/i386.md (extv, extzv, insv): Use the new
2262 const8_operand predicate where appropriate.
2264 2006-04-25 DJ Delorie <dj@redhat.com>
2266 * doc/install.texi (Specific): Clarify that this is not a list of
2267 supported hosts or targets.
2269 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2271 PR rtl-optimization/26725
2272 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2273 block's BB_DIRTY flag.
2275 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2277 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2278 are no branches.
2280 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2281 to print an integer.
2283 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2285 * varasm.c (align_variable): New function.
2286 (get_block_for_decl): Apply align_variable to DECL before
2287 calculating section information.
2288 (assemble_variable): Split out alignment computation.
2290 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2292 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2293 machines.
2295 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2297 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2298 MODE_PARTIAL_INT mode.
2299 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2300 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2301 for CONST_INTs.
2302 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2303 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2304 V2PDImode.
2305 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2306 New predicates.
2307 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2308 New constants.
2309 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2310 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2311 MACFLAG_IH): Likewise.
2312 (movstricthi_1): Renamed from "*movstricthi".
2313 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2314 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2315 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2316 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2317 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2318 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2319 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2320 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2321 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2322 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2323 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2324 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2325 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2326 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2327 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2329 * doc/rtl.texi (ss_ashift): Improve wording.
2331 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2333 * dwarf2out.c (verify_marks_clear): New.
2334 (prune_unused_types): Call verify_marks_clear initially, not
2335 prune_unmark_dies.
2337 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2339 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2340 * doc/rtl.texi: Document them.
2341 * simplify-rtx.c (simplify_unary_operation,
2342 simplify_binary_operation_1): Don't abort when we see them.
2344 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2346 Revert:
2347 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2348 * configure.ac: Completely disregard languages that are not
2349 enabled.
2350 * configure: Regenerated.
2352 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2353 Richard Guenther <rguenther@suse.de>
2355 PR tree-optimization/27236
2356 * tree-inline.c (copy_body_r): Make sure to copy
2357 TREE_THIS_VOLATILE flag.
2359 2006-04-24 Richard Guenther <rguenther@suse.de>
2361 PR middle-end/26869
2362 * tree-complex.c (update_parameter_components): Don't handle
2363 unused parameters which have no default def.
2365 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2366 Richard Guenther <rguenther@suse.de>
2368 PR tree-optimization/27218
2369 * tree-inline.c (expand_call_inline): Strip useless type
2370 conversions for the return slot address.
2372 2006-04-24 Richard Guenther <rguenther@suse.de>
2374 * cfgloop.h (struct loops): Remove unused field array. Reorder
2375 state after num.
2376 (LOOP_PREFETCH): Remove.
2378 2006-04-24 Richard Guenther <rguenther@suse.de>
2380 PR tree-optimization/22525
2381 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
2382 variable, adjust types of generated expressions.
2384 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
2386 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
2387 (tree-vect-patterns.o): Likewise.
2388 (jump.o): Likewise.
2389 (cselib.o): Likewise.
2390 (loop-doloop.o): Likewise.
2391 (regclass.o): Likewise.
2392 (reload1.o): Likewise.
2393 (explow.o): Replace target.h with $(TARGET_H).
2394 (ipa-prop.o): Likewise.
2395 (ipa-cp.o): Likewise.
2396 (ipa-inline.o): Likewise.
2397 (reorg.o): Likewise.
2398 (reg-stack.o): Likewise.
2400 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2402 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
2404 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2406 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
2408 * configure.ac: Completely disregard languages that are not
2409 enabled.
2410 * configure: Regenerated.
2412 PR c++/26534
2413 * c-common.h (c_build_bitfield_integer_type): Declare.
2414 * c-decl.c (c_build_bitfield_integer_type): Move to ...
2415 * c-common.c (c_build_bitfield_integer_type): ... here.
2417 2006-04-23 Roger Sayle <roger@eyesopen.com>
2419 PR target/21283
2420 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
2421 a SImode SUBREG of a floating point register after no_new_pseudos.
2423 2006-04-23 Roger Sayle <roger@eyesopen.com>
2425 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
2426 identify potentially eliminable registers to additionally catch
2427 VIRTUAL_INCOMING_ARGS_REGNUM.
2428 (addsi3): Update the conditions on when to use addsi_small_int.
2430 2006-04-23 Roger Sayle <roger@eyesopen.com>
2432 PR target/16641
2433 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
2434 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
2435 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
2437 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2439 * fold-const.c (range_predecessor): Use operand_equal_p
2440 as the predicate for equality.
2441 (range_successor): Likewise.
2443 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2445 Revert:
2446 * config/soft-fp/op-common.h: Fix a typo.
2448 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
2450 PR libmudflap/26864
2451 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
2452 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
2454 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2456 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
2457 Fix comment typos.
2458 * doc/tm.texi: Fix a typo.
2460 2006-04-21 Geoffrey Keating <geoffk@apple.com>
2462 * dwarf2out.c (struct die_struct): Document that die_sib makes
2463 a circular linked list.
2464 (FOR_EACH_CHILD): New.
2465 (reverse_die_lists): Delete.
2466 (reverse_all_dies): Delete.
2467 (add_dwarf_attr): Correct documentation.
2468 (remove_child_with_prev): New.
2469 (remove_child_TAG): Update for change to die_struct, use
2470 remove_child_with_prev.
2471 (add_child_die): Update for change to die_struct.
2472 (splice_child_die): Use remove_child_with_prev and add_child_die.
2473 (print_die): Use FOR_EACH_CHILD.
2474 (die_checksum): Likewise.
2475 (assign_symbol_names): Likewise.
2476 (output_location_lists): Likewise.
2477 (build_abbrev_table): Likewise.
2478 (calc_die_sizes): Likewise.
2479 (mark_dies): Likewise.
2480 (unmark_dies): Likewise.
2481 (unmark_all_dies): Likewise.
2482 (output_die): Likewise.
2483 (prune_unused_types_mark): Likewise.
2484 (prune_unused_types_walk): Likewise.
2485 (same_die_p): Update for change to die_struct.
2486 (break_out_includes): Likewise.
2487 (prune_unused_types_prune): Likewise.
2488 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
2489 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
2490 it's already clear.
2491 (dwarf2out_finish): Don't call reverse_all_dies.
2493 2006-04-21 Eric Christopher <echristo@apple.com>
2495 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
2496 in comments and function names.
2498 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2500 PR c/25875
2501 * c-typeck.c (digest_init): Robustify.
2503 * c-typeck.c (pop_init_level): Simplify.
2505 2006-04-21 Steve Ellcey <sje@cup.hp.com>
2507 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
2509 2006-04-21 Paul Brook <paul@codesourcery.com>
2511 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
2512 hardware floating point.
2514 2006-04-21 David Edelsohn <edelsohn@gnu.org>
2516 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
2517 NON_FLOAT_REGS.
2519 2006-04-21 Nick Clifton <nickc@redhat.com>
2521 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
2522 OPT_EXTRA_PARTS.
2524 2006-04-21 Alan Modra <amodra@bigpond.net.au>
2526 PR target/27230
2527 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
2528 C++ lang type in traceback table for Objective-C++.
2530 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2532 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
2534 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2536 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2538 PR mudflap/26789
2539 * tree-mudflap.c (mudflap_finish_file): Skip function when there
2540 were errors. Remove check for erroneous objects.
2542 2006-04-20 Jeff Law <law@redhat.com>
2544 PR tree-optimization/26854
2545 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
2546 checking for zero or one use.
2547 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
2548 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
2549 * tree-ssa-reassoc.c (negate_value): Similarly.
2550 (reassociate_bb): Similarly.
2552 2006-04-20 Jakub Jelinek <jakub@redhat.com>
2554 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
2555 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
2556 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2558 2006-04-20 Alan Modra <amodra@bigpond.net.au>
2560 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
2561 fp regs if the last fp arg doesn't fit in regs.
2563 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
2565 PR target/27182
2566 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
2567 that the last insn has the REG_INC note.
2569 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
2570 Nathan Sidwell <nathan@codesourcery.com>
2572 PR c/26774
2573 * stor-layout.c (update_alignment_for_field): Do not align
2574 ERROR_MARK nodes.
2575 (place_union_field): Place union field at the start of the union.
2576 (place_field): Move ERROR_MARK check later, and use the current
2577 allocation position to maintain monotonicity.
2579 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
2581 * dominance.c: Include timevar.h.
2582 (calculate_dominance_info): Use TV_DOMINANCE.
2583 * timevar.def (TV_DOMINANCE): New timevar.
2584 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2586 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2588 PR rtl-optimization/14261
2589 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2590 move would be an INSV insn.
2591 (noce_process_if_block): Don't optimize if the destination is a
2592 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2594 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2596 * config/s390/s390.md: Add comments with the instructions emitted
2597 by an insn pattern if macros are used.
2599 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2601 PR rtl-optimization/26026
2602 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2603 is a known power of two shifted left a variable amount.
2605 2006-04-18 Geoffrey Keating <geoffk@apple.com>
2607 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
2608 to hash table twice when the debug_str section has SECTION_MERGE.
2610 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
2612 * config/soft-fp: New directory. From glibc.
2613 * config/soft-fp/t-softfp: New.
2614 * config/soft-fp/README: New.
2615 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
2616 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
2617 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
2618 (LIBGCC_DEPS): Add $(SFP_MACHINE).
2619 * config.gcc: Use rs6000/t-fprules-fpbit or
2620 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
2621 rs6000/t-fprules.
2622 * config/rs6000/sfp-machine.h: New. Based on glibc.
2623 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
2624 New.
2625 * config/rs6000/t-fprules: Remove fp-bit rules.
2626 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
2627 * config/rs6000/t-linux64: Likewise. Remove duplicates from
2628 LIB2FUNCS_EXTRA. Remove fp-bit rules.
2629 (softfp_wrap_start, softfp_wrap_end): New.
2631 2006-04-18 DJ Delorie <dj@redhat.com>
2633 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2635 2006-04-18 Devang Patel <dpatel@apple.com>
2637 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2639 2006-04-18 Nick Clifton <nickc@redhat.com>
2641 * config/sh/t-symbian: Add rule to build sh-c.o
2642 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
2643 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
2644 (sh_symbian_encode_section_info): Likewise.
2646 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
2648 * builtins.c (expand_builtin_strcmp): Cover label definition of
2649 do_libcall with HAVE_cmpstrnsi.
2651 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
2653 * function.c (temp_slots_at_level, max_slot_level): Use VEC
2654 instead of VARRAY.
2655 * function.h (temp_slot_p): New.
2656 (function): Change the type of x_used_temp_slots to
2657 VEC(temp_slot_p,gc) *.
2659 2006-04-18 Nick Clifton <nickc@redhat.com>
2661 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
2662 flag_strength_reduce.
2664 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2666 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2668 PR target/27117
2670 Partial revert of revision 112637
2671 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2672 Dale Johannesen <dalej@apple.com>
2674 PR target/19653
2675 * regclass.c (struct reg_pref): Update documentation.
2676 (regclass): Set prefclass to NO_REGS if memory is the best option.
2677 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2679 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2681 PR tree-optimization/26821
2682 * tree-ssa-math-opts.c (get_constant_one): New.
2683 (insert_reciprocals): Use it.
2685 2006-04-17 Geoffrey Keating <geoffk@apple.com>
2687 * dwarf2out.c (free_AT): Delete.
2688 (remove_AT): Update string ref counts.
2689 (remove_child_TAG): Don't call free_die.
2690 (free_die): Delete.
2691 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
2692 or DW_TAG_GNU_EINCL.
2693 (prune_unused_types_walk_attribs): Reset string refcounts.
2694 (prune_unused_types_update_strings): New.
2695 (prune_unused_types_prune): Don't make unnecessary stores. Don't
2696 call free_die. Do call prune_unused_types_update_strings.
2697 (prune_unused_types): Empty debug_str_hash.
2699 2006-04-17 Roger Sayle <roger@eyesopen.com>
2701 * expr.c (expand_assignment): Optimize away no-op moves where the
2702 source and destination are equal and have no side-effects.
2704 2006-04-17 Richard Guenther <rguenther@suse.de>
2706 PR target/26826
2707 * reload.c (push_reload): Guard calls to get_secondary_mem
2708 for memory subregs.
2710 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2712 * alias.c (reg_base_value, old_reg_base_value): Change the
2713 type to VEC(rtx,gc) *.
2714 (REG_BASE_VALUE, find_base_value, record_set,
2715 init_alias_analysis): Use VEC instead of VARRAY.
2717 * alias.c (alias_sets): Change the type to
2718 VEC(alias_set_entry,gc) *.
2719 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2720 VEC instead of VARRAY.
2721 (last_alias_set): Remove.
2723 * cgraph.h (cgraph_edge_p): New.
2724 Update the prototype of cgraph_function_versioning.
2725 * cgraphunit.c (cgraph_copy_node_for_versioning,
2726 cgraph_function_versioning): Use VEC instead of VARRAY.
2727 * ipa-cp.c (ipcp_insert_stage): Likewise.
2729 2006-04-16 Roger Sayle <roger@eyesopen.com>
2731 PR target/26961
2732 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2733 "A op B" or "A op C", we may need to convert A to the type of B and C.
2735 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2737 * target.h (struct gcc_target): Add mode_rep_extended.
2738 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
2739 (init_num_sign_bit_copies_in_rep): Initialize it using
2740 mode_rep_extended.
2741 (truncate_to_mode): Use it.
2742 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2743 * targhooks.h (default_mode_rep_extended): Declare it.
2744 * targhooks.c (default_mode_rep_extended): Define it.
2745 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2746 default_mode_rep_extended.
2747 (TARGET_INITIALIZER): Include it.
2748 * doc/tm.texi (Misc): Document it.
2749 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2750 (mips_truncated_to_mode): New function.
2752 2006-04-16 Roger Sayle <roger@eyesopen.com>
2754 PR middle-end/25474
2755 * expr.c (compress_float_constant): Copy the narrow constant into
2756 a new pseudo before extending it to its final width.
2758 2006-04-16 Roger Sayle <roger@eyesopen.com>
2759 Andrew Pinski <pinskia@gcc.gnu.org>
2760 Dale Johannesen <dalej@apple.com>
2762 PR target/24076
2763 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2764 special case code to implement V8HImode and V16QImode with SSE2.
2766 2006-04-15 Roger Sayle <roger@eyesopen.com>
2768 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2769 trees are constructed with a suitable tree type.
2771 2006-04-15 Roger Sayle <roger@eyesopen.com>
2773 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2774 (integer_onep): Likewise.
2775 (integer_all_onesp): Likewise.
2776 (integer_pow2p): Likewise.
2777 (integer_nonzerop): Likewise.
2778 (real_zerop): Likewise.
2779 (real_onep): Likewise.
2780 (real_twop): Likewise.
2781 (real_minus_onep): Likewise.
2782 (int_size_in_bytes): Likewise.
2783 (host_integerp): Likewise.
2785 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2787 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2788 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2789 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2791 * tree-ssa-structalias.h (alias_info): Remove num_references.
2793 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2795 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2796 (output_bvb patterns): Likewise.
2797 * pa.c (output_bb): Use 'bb' insn for long branch case.
2798 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2799 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2800 1. Correct length operand for alternatives 1 and 2.
2801 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2802 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2804 2006-04-14 Roger Sayle <roger@eyesopen.com>
2806 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2807 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2808 were accidentally reverted by r112959.
2810 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2812 PR middle-end/26823
2813 * except.h (eh_region_outermost): New prototype.
2814 * except.c (eh_region_outermost): New function.
2815 * tree-cfg.c (find_outermost_region_in_block): Use it.
2817 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2819 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2820 of VARRAY.
2821 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2822 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2823 (init_reload, reload): Use VEC instead of VARRAY.
2824 * reload.h: Update the prototype for
2825 reg_equiv_memory_loc_varray.
2827 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2828 Eric Botcazou <ebotcazou@libertysurf.fr>
2830 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2831 register save area.
2833 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2835 PR middle-end/27134
2836 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2837 to expand fallback builtin function call.
2839 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2841 PR middle-end/27095
2842 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2843 and emit libcall here in case the builtin fails.
2844 (expand_builtin_strcmp): Always emit the libcall here on failure.
2846 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2848 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2849 * flow.c (reg_n_info): Change the type to
2850 VEC(reg_info_p,heap) *.
2851 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2852 instead of VARRAY.
2853 * regs.h (reg_info_p): New.
2854 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2855 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2856 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2857 instead of VARRAY.
2859 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2861 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2862 defaulting to 100.
2863 * params.h (MAX_SCHED_READY_INSNS): New macro.
2864 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2865 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2866 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2867 the ready list for 1 cycle during the first scheduling pass.
2868 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2870 2006-04-13 Richard Henderson <rth@redhat.com>
2872 PR libgomp/26651
2873 * gimple-low.c (lower_omp_directive): Remove dead code.
2874 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2875 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2876 * omp-low.c (struct omp_region): Move to tree-flow.h.
2877 (root_omp_region): Export.
2878 (omp_regions, lookup_omp_region): Remove.
2879 (determine_parallel_type): Update for struct omp_region changes.
2880 (dump_omp_region): Dump regions with block numbers.
2881 (new_omp_region): Take type and block instead of stmt; malloc
2882 instead of ggc.
2883 (free_omp_region_1, free_omp_regions): New.
2884 (expand_parallel_call): Take entry_stmt as argument; update for
2885 changes to omp_region.
2886 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2887 (remove_exit_barriers): New.
2888 (expand_omp_parallel): Update for struct omp_region changes.
2889 (expand_omp_synch): Likewise.
2890 (expand_omp): Likewise.
2891 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2892 (expand_omp_for_static_chunk): Likewise.
2893 (expand_omp_for): Likewise.
2894 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2895 (expand_omp_sections): Similarly, with GOMP_sections_end.
2896 (expand_omp_single): New.
2897 (build_omp_regions_1): Update for OMP_CONTINUE.
2898 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2899 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2900 OMP_SECTIONS_SECTIONS.
2901 (lower_omp_single_simple): Don't emit barrier here.
2902 (lower_omp_single_copy): Likewise.
2903 (lower_omp_single): Fix bindings, and lower to straightline now.
2904 (lower_omp_master, lower_omp_ordered): Likewise.
2905 (lower_omp_critical): Likewise.
2906 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2907 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2908 omp edges, free it afterward.
2909 (make_omp_sections_edges): Remove.
2910 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2911 (move_stmt_r): Handle OMP_CONTINUE.
2912 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2913 statement pointers to basic blocks. Add type member.
2914 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2915 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2916 * tree-inline.c (estimate_num_insns_1): Likewise.
2917 * tree-pretty-print.c (dump_generic_node): Likewise.
2918 * tree-ssa-operands.c (get_expr_operands): Likewise.
2919 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2920 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2921 (OMP_CONTINUE): New.
2922 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2923 (OMP_SECTIONS_SECTIONS): Remove.
2924 (OMP_SECTION_LAST): New.
2925 (OMP_RETURN_NOWAIT): New.
2927 2006-04-13 Roger Sayle <roger@eyesopen.com>
2929 * fold-const.c (native_encode_vector, native_interpret_real):
2930 Correct obvious mistakes in the previous check-in.
2932 2006-04-13 Roger Sayle <roger@eyesopen.com>
2934 * fold-const.c (native_encode_expr): New function to encode
2935 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2936 or VECTOR_CST into a specified buffer.
2937 (native_encode_int): New function.
2938 (native_encode_real): New function.
2939 (native_encode_complex): New function.
2940 (native_encode_vector): New function.
2941 (native_interpret_expr): Inverse of native_encode_expr to convert
2942 a target representation into an INTEGER_CST, REAL_CST etc...
2943 (native_interpret_int): New function.
2944 (native_interpret_real): New function.
2945 (native_interpret_complex): New function.
2946 (native_interpret_vector): New function.
2947 (fold_view_convert_expr): New function to constant fold/evaluate
2948 a VIEW_CONVERT_EXPR of a suitable constant expression.
2949 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2950 Change call of build1 to fold_build1 when constructing a
2951 VIEW_CONVERT_EXPR.
2953 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2954 Ulrich Weigand <uweigand@de.ibm.com>
2956 PR target/27006
2957 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2958 to be even.
2960 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2962 PR target/26459
2963 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2964 optimize to lo_sum for DFmode if !TARGET_FPRS.
2966 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2968 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2969 delete_alias_info, compute_flow_sensitive_aliasing,
2970 group_aliases): Use VEC instead of VARRAY.
2971 * tree-ssa-structalias.c (update_alias_info): Likewise.
2972 * tree-ssa-structalias.h (alias_info): Change the type of
2973 processed_ptrs to VEC(tree,heap) *.
2975 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2977 PR target/27060
2978 * config/sh/lib1funcs.h: New file, broken out of:
2979 * config/sh/lib1funcs.asm.
2980 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2981 New macros.
2982 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2983 * config/sh/lib1funcs-Os-4-200.asm: New file.
2984 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2985 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2986 (EXTRA_MULTILIB_PARTS): Include it.
2987 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2988 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2989 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2990 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2991 TARGET_SH2.
2993 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2995 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2996 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2997 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2998 VARRAY.
2999 * tree-ssa-live.h: Include vecprim.h.
3000 (tree_partition_associator_d): Change the type of
3001 first_partition to VEC(int,heap) *.
3002 (tpa_first_partition): Use VEC instead of VARRAY.
3004 * Makefile.in (GTFILES): Move functions.h after tree.h.
3005 * function.c (reset_block_changes, record_block_change,
3006 check_block_change, free_block_changes): Use VEC instead of
3007 VARRAY.
3008 * function.h (function): Change the type of
3009 ib_boundaries_block to VEC(tree,gc) *.
3010 * tree-inline.c (copy_cfg_body): Initialize
3011 ib_boundaries_block to NULL instead of (varray_type) 0.
3013 2006-04-12 Roger Sayle <roger@eyesopen.com>
3015 * expr.c (emit_group_store): Correct operand order in call to
3016 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3017 a SUBREG_BYTE of zero.
3019 2006-04-12 Richard Guenther <rguenther@suse.de>
3021 * profile.c (compute_branch_probabilities): Remove code
3022 encapsulated in !ir_type (), which are remanents of the
3023 removed RTL profiling code.
3024 * rtl-profile.c: Remove.
3026 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3028 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3029 magic NULL_RTX comment.
3030 (function_arg): Store entire fp arg to mem if any part should go
3031 on stack.
3032 (rs6000_arg_partial_bytes): Adjust for above change.
3034 2006-04-11 Roger Sayle <roger@eyesopen.com>
3036 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3037 if it hasn't been initialized by dwarf2out_init.
3039 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3041 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3042 symbolic constants in branch patterns.
3044 2006-04-11 Roger Sayle <roger@eyesopen.com>
3046 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3048 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3050 PR rtl-optimization/27073
3051 * gcse.c (try_replace_reg): Revert last change. Continue to search
3052 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3053 on the former.
3055 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3057 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3058 aggregate types other than record and union types.
3059 (function_arg): Likewise.
3060 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3061 small arrays.
3062 (function_value): In 64-bit mode, return objects that require it
3063 in FP registers.
3065 2006-04-11 Roger Sayle <roger@eyesopen.com>
3067 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3069 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3071 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3073 2006-04-03 Jeff Law <law@redhat.com>
3075 PR/27087
3076 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3077 alias information too.
3079 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3081 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3083 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3085 PR/21391
3086 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3087 (premark_used_types_helper): New.
3088 (premark_used_types): New.
3089 (gen_subprogram_die): Call premark_used_types.
3090 (prune_unused_types_walk): Do not prune perennial dies.
3091 * function.c (used_types_insert): New.
3092 * function.h (struct function): Add used_types_hash field.
3093 (used_types_insert): Add prototype.
3094 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3095 * c-parser.c (c_parser_cast_expression): Save casted types in used
3096 types hash table.
3098 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3100 PR target/26459
3101 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3102 rs6000_explicit_options.float_gprs.
3104 2006-04-10 Roger Sayle <roger@eyesopen.com>
3106 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3107 from ix86_expand_vector_init_low_nonzero. Take an additional
3108 one_var argument indicating which element is non-zero. Support
3109 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3110 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3111 with one_var instead of ix86_expand_vector_init_low_nonzero.
3113 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3115 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3116 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3117 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3118 build/genextract.o): Depend on vecprim.h.
3119 * cfglayout.c, df-problems.c, function.c, genextract.c,
3120 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3121 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3122 vecprim.h.
3123 * vecprim.h: New.
3125 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3127 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3128 Declare VECs of this type.
3129 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3130 (remove_children): Delete.
3131 (add_dwarf_attr): Use VEC routines.
3132 (add_AT_flag): Update for changes to add_dwarf_attr.
3133 (add_AT_int): Likewise.
3134 (add_AT_unsigned): Likewise.
3135 (add_AT_long_long): Likewise.
3136 (add_AT_vec): Likewise.
3137 (add_AT_string): Likewise.
3138 (add_AT_die_ref): Likewise.
3139 (add_AT_fde_ref): Likewise.
3140 (add_AT_loc): Likewise.
3141 (add_AT_loc_list): Likewise.
3142 (add_AT_addr): Likewise.
3143 (add_AT_lbl_id): Likewise.
3144 (add_AT_lineptr): Likewise.
3145 (add_AT_macptr): Likewise.
3146 (add_AT_offset): Likewise.
3147 (add_AT_range_list): Likewise.
3148 (get_AT): Use VEC_iterate.
3149 (remove_AT): Use VEC_ordered_remove.
3150 (free_die): Fold remove_children into here; have it use VEC_iterate.
3151 (print_die): Use VEC_iterate on attrs.
3152 (reverse_die_lists): Don't reverse attr lists.
3153 (die_checksum): Use VEC_iterate on attrs.
3154 (same_die_p): Likewise.
3155 (output_location_lists): Likewise.
3156 (build_abbrev_table): Likewise.
3157 (size_of_die): Likewise.
3158 (unmark_all_dies): Likewise.
3159 (output_abbrev_section): Likewise.
3160 (output_die): Likewise.
3161 (prune_unused_types_walk_attribs): Likewise.
3163 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3165 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3167 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3169 PR debug/27057
3170 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3172 2006-04-09 Roger Sayle <roger@eyesopen.com>
3174 * expr.c (store_constructor): Don't bother clearing target if
3175 we're about to assign a vector to it using vec_init_optab.
3177 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3179 * tree-ssa-alias.c (lhs_may_store_to): New function.
3180 (recalculate_used_alone): Handle LHS of calls.
3182 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3184 PR target/27034
3185 PR target/26508
3186 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3187 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3188 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3189 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3190 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3191 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3192 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3193 stubs. Add ".align 8" directives before all ".dword" directives.
3194 (GTHREAD_USE_WEAK): Revise comment.
3195 (TARGET_ATTRIBUTE_WEAK): Define.
3196 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3197 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3198 * stublib.c: New file.
3200 PR target/26743
3201 PR target/11254
3202 PR target/10274
3203 * pa.md (cbranch patterns): Revise arguments used in calls to
3204 output_cbranch, output_bb and output_bvd. Add long branch length
3205 attributes.
3206 (fbranch patterns): Handle long branches.
3207 (jump): Revise length check. Revise arguments for output_lbranch call.
3208 Add long branch length attributes.
3209 (decrement_and_branch_until_zero): Add long branch length attributes.
3210 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3211 Likewise. Revise arguments for output_parallel_addb and
3212 output_parallel_movb calls.
3213 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3214 output_parallel_movb and output_parallel_addb): Update prototypes.
3215 * pa.c (output_cbranch): Revise arguments. Correct handling of
3216 nullification in long branches.
3217 (output_lbranch): Add new argument to control extraction of delay
3218 instruction.
3219 (output_bb): Handle long branches.
3220 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3221 output_parallel_addb): Likewise.
3223 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3225 PR rtl-optimization/27073
3226 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3227 not REG_EQUIVs.
3229 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3231 * tree.h (tree_memory_tag): Add old_used_alone.
3232 (SMT_OLD_USED_ALONE): New macro.
3233 * tree-ssa-alias.c (recalculate_used_alone): Stop
3234 marking things for renaming unnecessarily.
3236 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3238 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3239 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3240 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3241 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3242 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3243 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3244 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3245 spelling convensions.
3246 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3247 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3248 typos. Follow spelling conventions.
3250 2006-04-07 DJ Delorie <dj@redhat.com>
3252 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3253 passed on the stack.
3254 (m32c_init_cumulative_args): When a function returns a structure,
3255 always pass the pointer to that return area on the stack.
3256 (m32c_function_arg_advance): Don't increment the parameter number
3257 if we're processing the returned structure pointer.
3258 (pushm_info): Reverse order of registers.
3260 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3262 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3263 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3264 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3265 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3266 build_int_cst_type.
3267 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3268 chrec_fold_multiply): Same.
3269 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3270 force_expr_to_var_cost): Same.
3271 * tree-mudflap.c (mf_xform_derefs_1): Same.
3272 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3274 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3276 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3277 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3278 insn.
3280 2006-04-07 Jan Hubicka <jh@suse.cz>
3282 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3284 2006-04-07 Richard Guenther <rguenther@suse.de>
3286 PR tree-optimization/26135
3287 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3288 loads for store copy-prop.
3289 (copy_prop_visit_stmt): Likewise.
3291 2006-04-05 Robert Millan <robertmh@gnu.org>
3293 * config/i386/linux.h: Add a comment to mark macros that are
3294 being overriden in config/k*bsd-gnu.h.
3295 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3296 DYNAMIC_LINKER.
3297 * config/knetbsd-gnu.h: Ditto.
3299 2006-04-06 Jan Hubicka <jh@suse.cz>
3301 PR profile/20815
3302 PR profile/26399
3303 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3304 after buffer.
3306 2006-04-06 Mike Stump <mrs@apple.com>
3308 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3309 for HAVE_nonlocal_goto to be consistent.
3310 (expand_builtin_nonlocal_goto): Likewise.
3311 (expand_builtin_strcmp): Use #ifdef instead of #if
3312 for HAVE_cmpstrnsi to be consistent.
3314 2006-04-05 DJ Delorie <dj@redhat.com>
3316 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3317 vs m32c.
3319 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3321 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3322 got-relative addressing for anything but SImode.
3324 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3325 even if the calling function doesn't modify them.
3327 2006-04-05 Richard Guenther <rguenther@suse.de>
3329 PR tree-optimization/26919
3330 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3331 to cgraph_estimate_size_after_inlining.
3333 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3335 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3337 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3339 PR tree-optimization/26996
3340 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3341 VECTOR_TYPE variables.
3343 2006-04-05 Richard Guenther <rguenther@suse.de>
3345 PR tree-optimization/26763
3346 * fold-const.c (fold_comparison): Move folding of
3347 PTR + CST CMP PTR + CST ...
3348 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3350 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3352 * doc/install.texi (Prerequisites): Refine some wording on
3353 bootstrapping and ksh.
3354 Move the version numbers of DejaGnu here from the testing section
3355 and fix casing of names.
3356 Fix markup and clarify wording for autogen requirements.
3357 Refer to GCJ instead of just java.
3358 Refer to SVN instead of CVS.
3359 Describe diffutils as useful instead of necessary.
3360 (Downloading the source): Refer to SVN instead of CVS.
3361 Adjust a link to our web site accordingly.
3362 (Configuration): Fix casing of Bison.
3363 (Building): Refer to SVN instead of CVS.
3364 Fix a sentence on the use of Bison and remove duplicate (and
3365 incorrect) version number of Bison requirement.
3366 Remove one redundant list of packages needed for building.
3367 (Specific): Avoid reference to CVS.
3369 2006-04-04 Eric Christopher <echristo@apple.com>
3371 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
3372 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
3373 (rs6000_handle_struct_attribute): New.
3374 (rs6000_ms_bitfield_layout_p): Ditto.
3376 2006-04-04 Geoffrey Keating <geoffk@apple.com>
3378 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
3379 NULL for dso parameter to atexit_common.
3381 2006-04-04 Eric Christopher <echristo@apple.com>
3383 * config/i386/i386.c (machopic_output_stub): Output \t
3384 between instructions and operands.
3386 2006-04-04 David Edelsohn <edelsohn@gnu.org>
3388 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
3389 satisfies_constraint_[IL] to explicit tests on value.
3391 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
3393 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3394 set_nb_iterations_in_loop): Use build_int_cst instead of
3395 build_int_cst_type.
3396 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
3397 build_int_cst instead of convert.
3399 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
3401 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
3402 new value 2 for incoming.
3403 * function.c (expand_function_start): Call struct_value_rtx
3404 with incoming as 2.
3405 * config/sparc/sparc.md: Comment updated_return.
3406 * config/sparc/sparc.opt: Add -mstd-struct-return option.
3407 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
3408 struct return if sparc_std_struct_return and incoming is 2.
3409 (print_operand): Do not adjust return if
3410 sparc_std_struct_return.
3412 2006-04-04 Roger Sayle <roger@eyesopen.com>
3414 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
3415 convert in the middle-end.
3416 * expr.c (store_expr, store_constructor, get_inner_reference,
3417 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
3418 Likewise.
3419 * tree.c (build_range_type): Likewise.
3421 2006-04-04 Tom Tromey <tromey@redhat.com>
3423 * doc/install.texi (Prerequisites): Mention jar.
3425 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
3427 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
3428 subsection.
3430 2006-04-04 Matthias Klose <doko@debian.org>
3432 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
3433 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
3434 strings.
3436 2006-04-03 Geoffrey Keating <geoffk@apple.com>
3438 * doc/extend.texi (Function Attributes): Rewrite visibility
3439 attribute documentation.
3440 * doc/invoke.texi (C++ Dialect Options): Rewrite
3441 -fvisibility-inlines-hidden documentation to describe something
3442 entirely different, although in practise compatible.
3443 (Code Gen Options): Warn about system headers in -fvisibility=
3444 documentation.
3446 * doc/extend.texi (Other Builtins): Document that
3447 __builtin_nan is a compile-time constant only when its argument
3448 is valid.
3450 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
3452 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
3453 trying to remove TRUNCATE check if all bits outside the new mode
3454 are identical to the sign bit.
3456 2006-04-03 Jeff Law <law@redhat.com>
3458 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
3459 and operand scanning in some common cases.
3461 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3462 Dale Johannesen <dalej@apple.com>
3464 PR target/19653
3465 * regclass.c (struct reg_pref): Update documentation.
3466 (regclass): Set prefclass to NO_REGS if memory is the best option.
3467 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3468 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
3469 into account. For non-registers, equate an empty preferred
3470 reload class to a `!' in the constraint; move the if clause to
3471 do so after those that reject the insn.
3472 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
3473 return NO_REGS.
3474 (find_dummy_reload): Likewise.
3475 * doc/tm.texi (Register Classes): Document what it means
3476 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
3477 * config/i386/i386.c (ix86_preferred_reload_class): Force
3478 using SSE registers (and return NO_REGS for floating-point
3479 constants) if math is done with SSE.
3480 (ix86_preferred_output_reload_class): New.
3481 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
3482 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
3483 * config/i386/i386.md: Remove # register preferences.
3485 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3487 PR bootstrap/26992
3488 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3489 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
3490 the type of nb_iter.
3491 (instantiate_parameters_1): Convert the operands before calling
3492 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
3493 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
3495 2006-04-02 Roger Sayle <roger@eyesopen.com>
3497 * builtins.c (dummy_object): Use build_int_cst instead of convert.
3498 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
3499 instead of convert.
3500 * dojump.c (do_jump): Likewise.
3501 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
3502 * gimplify.c (gimple_boolify, gimplify_init_constructor,
3503 gimplify_boolean_expr): Likewise.
3504 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3505 * varasm.c (array_size_for_constructor): Likewise.
3506 * tree-object-size.c (compute_object_offset): Likewise.
3508 2006-04-02 Roger Sayle <roger@eyesopen.com>
3510 PR middle-end/26977
3511 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
3512 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
3514 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3516 PR tree-optimization/26939
3517 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
3519 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3521 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
3522 at_stmt. Convert the type of operands before calling
3523 build_polynomial_chrec.
3524 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
3525 add_to_evolution_1.
3526 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
3527 (instantiate_parameters_1): Convert the type of operands before calling
3528 build_polynomial_chrec.
3529 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3530 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
3531 reset_evolution_in_loop): Insert asserts to check the types of the
3532 operands.
3533 (chrec_type): Moved...
3534 (eq_evolutions_p): Use operand_equal_p.
3535 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
3536 the types of the operands.
3537 (chrec_type): ...here.
3538 * tree-data-ref.c (create_data_ref): Convert the operands before
3539 calling chrec_replace_initial_condition.
3540 (same_access_functions, analyze_subscript_affine_affine,
3541 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
3542 (compute_subscript_distance, analyze_ziv_subscript,
3543 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
3544 analyze_miv_subscript): Convert the operands before calling
3545 chrec_fold_minus or chrec_fold_plus.
3547 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3549 * tree-data-ref.c (compute_all_dependences): Use a pointer to
3550 the dependence_relations vector.
3551 (compute_data_dependences_for_loop): Adjust call to
3552 compute_all_dependences.
3554 2006-04-01 Roger Sayle <roger@eyesopen.com>
3555 Richard Henderson <rth@redhat.com>
3557 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
3558 gimple_boolify on the condition before calling gimplify_expr.
3560 2006-03-31 Bob Wilson <bob.wilson@acm.org>
3562 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
3563 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
3564 the frame size. Update to use the new macros.
3565 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
3566 * config/xtensa/ieee754-df.S: Likewise.
3568 2006-03-31 Richard Henderson <rth@redhat.com>
3570 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
3571 (make_edges): ... here. Control fallthru creation with a local
3572 variable. Do not play with fake edges.
3573 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
3574 (make_goto_expr_edges): Don't play with fake edges. Make for_call
3575 a boolean.
3577 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
3579 * dwarf2.h (DW64_CIE_ID): Define.
3580 * dwarf2out.c (DWARF_CIE_ID): Define.
3581 (output_call_frame_info): Output 0xffffffff before standard 8-byte
3582 length header. Use DWARF_CIE_ID.
3583 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3584 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3586 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3588 * config/sh/linux-atomic.asm: New file.
3589 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3591 2006-03-31 DJ Delorie <dj@redhat.com>
3593 * config/m32c/cond.md: Set condition flags properly throughout.
3594 * config/m32c/minmax.md: Likewise.
3595 * config/m32c/prologue.md: Likewise.
3596 * config/m32c/bitops.md: Likewise.
3597 * config/m32c/muldiv.md: Likewise.
3598 * config/m32c/mov.md: Likewise.
3599 * config/m32c/addsub.md: Likewise.
3600 * config/m32c/m32c.md: Likewise.
3601 * config/m32c/jump.md: Likewise.
3602 * config/m32c/shift.md: Likewise.
3604 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
3605 conditionally output the pattern for this.
3606 * config/m32c/m32c.c (flags_needed_for_conditional): New.
3607 (m32c_compare_redundant): New.
3608 (m32c_output_compare): New.
3609 * config/m32c/m32c-protos.h (m32c_output_compare): New.
3611 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
3612 dest, not src. Allow other 4-byte modes.
3614 2006-03-30 Denis Chertykov <denisc@overta.ru>
3616 * doc/md.texi: Refer to avr/constraints.md instead of
3617 avr/avr.h.
3619 2006-03-30 Roger Sayle <roger@eyesopen.com>
3621 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
3622 signed vs. unsigned comparison failures on some hosts.
3624 2006-03-31 Alan Modra <amodra@bigpond.net.au>
3626 PR target/26459
3627 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
3628 change to FLOAT_REGS.
3630 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
3631 (rs6000_override_options): Use it.
3632 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
3633 only for -mabi=spe/no-spe and -mabi=altivec.
3635 2006-03-30 Geoffrey Keating <geoffk@apple.com>
3637 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
3638 !Zdynamiclib.
3640 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
3642 * Makefile.in: Rename docdir to gcc_docdir.
3644 2006-03-30 Roger Sayle <roger@eyesopen.com>
3646 PR target/17959
3647 * expr.c (emit_group_store): Optimize group stores into a pseudo
3648 register by using a paradoxical subreg to initialize the destination
3649 if the first or last member of the group specifies a "low part".
3651 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3653 PR target/26734
3654 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
3655 * target.h (struct gcc_target.speculate_insn): Change type of the
3656 second parameter to 'int'.
3657 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
3658 the second operand of the DEPS_LIST.
3659 (copy_DEPS_LIST_list): Update reference to the second operand of the
3660 DEPS_LIST.
3661 * rtl.h (alloc_DEPS_LIST): Update signature.
3662 * sched-int.h (ds_t): Change typedef to 'int'.
3663 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3665 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3667 * haifa-sched.c (try_ready): Change condition to restore
3668 non-speculative pattern of the instruction.
3669 (process_insn_depend_be_in_spec): Code to keep probability of the
3670 speculative dependence non-decreasing.
3672 2006-03-30 Jie Zhang <jie.zhang@analog.com>
3674 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
3675 (single_move_for_movmem): ... this. Also change all uses.
3676 (bfin_expand_strmov): Renamed to...
3677 (bfin_expand_movmem): ... this. Also change all uses.
3678 * config/bfin/bfin.md (movstrsi): Renamed to...
3679 (movstrsi): ...this.
3681 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
3683 PR tree-optimization/26830
3685 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
3686 (copy_prop_visit_stmt): Remove write-only variable ann.
3687 (init_copy_prop): Check variable loop depth here. Do not simulate
3688 memory-tag and virtual operand PHIs except for store copy prop.
3690 2006-03-30 Richard Guenther <rguenther@suse.de>
3692 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3693 variants with double arguments.
3695 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3697 * genpreds.c (write_tm_constrs_h): Delete variable p.
3698 * genconditions.c (write_header): Add tm-constrs.h to included
3699 headers.
3700 * genpeep.c (main): Add toplev.h to included headers.
3701 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3702 (build/genpeep.o): Add toplev.h dependency.
3703 * config/rs6000/constraints.md: Add "W" constraint.
3705 2006-03-29 Roger Sayle <roger@eyesopen.com>
3707 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3708 sizes by correctly testing whether the size fits a host integer.
3709 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3710 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3711 SImode range for the default sizetype and bitsizetype.
3713 2006-03-29 Roger Sayle <roger@eyesopen.com>
3715 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3716 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3717 quickly if the argument is already of the correct type.
3718 Call fold_build1 instead of build1. Tidy up blank lines.
3720 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3722 * genemit.c (main): Add tm-constrs.h to included headers.
3723 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3724 * genpeep.c (main): Add tm-constrs.h to included headers.
3725 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3726 (write_tm_constrs_h): this and write complete file.
3727 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3728 (write_insn_preds_c): Add tm-constrs.h to included headers.
3729 (gen_constrs): New variable.
3730 (parse_option): Parse "-c".
3731 (main): Invoke write_tm_constrs_h.
3732 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3733 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3734 (object_out_file): Add tm-constrs.h dependency.
3735 (insn-emit.o): Same.
3736 (insn-output.o): Same.
3737 (insn-peep.o): Same.
3738 (insn-preds.o): Same.
3739 (insn-recog.o): Same.
3740 (tm-constsr.h): New target.
3741 (s-constrs-h): New target.
3743 * config/rs6000/constraints.md: New file.
3744 * config/rs6000/rs6000.c: Include tm-constrs.h.
3745 (num_insn_constant_wide): Convert to satisfies_constraint.
3746 (rs6000_rtx_costs): Convert to satisfies_constraint.
3747 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3748 (CONST_OK_FOR_LETTER_P): Delete.
3749 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3750 (EXTRA_CONSTRAINT): Delete.
3751 (EXTRA_MEMORY_CONSTRAINT): Delete.
3752 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3753 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3754 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3755 satisfies_constraint.
3757 * config/i386/i386.c: Include tm-constrs.h.
3759 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3761 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3762 * tree-data-ref.c (find_data_references_in_loop,
3763 compute_data_dependences_for_loop): Use pointers to VEC.
3764 (analyze_all_data_dependences): Adjust calls.
3765 * tree-data-ref.h (find_data_references_in_loop,
3766 compute_data_dependences_for_loop): Adjust declarations.
3767 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3768 compute_data_dependences_for_loop.
3770 2006-03-29 Paul Brook <paul@codesourcery.com>
3772 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3773 (movdf_vfp): Ditto.
3775 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3777 PR tree-optimization/26859
3778 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3779 division by zero.
3780 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3781 for the step after fold_convert.
3783 2006-03-29 Paul Brook <paul@codesourcery.com>
3785 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3786 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3788 2006-03-29 Paul Brook <paul@codesourcery.com>
3790 PR middle-end/23623
3791 * targhooks.c (default_narrow_bitfield): New fuction.
3792 * targhooks.h (default_narrow_bitfield): add prototype.
3793 * target.h (gcc_target): Add narrow_volatile_bitfield.
3794 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3795 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3796 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3797 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3799 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3801 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3802 tmake_file.
3803 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3804 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3805 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3806 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3807 (s390_function_arg_float): Allow SDmode and DDmode values to be
3808 passed in floating point registers.
3809 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3810 check with SCALAR_FLOAT_MODE_P.
3811 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3813 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3815 PR tree-optimization/25985
3816 * tree-ssa-loop-niter.c (number_of_iterations_le,
3817 number_of_iterations_ne): Make comments more precise.
3818 (number_of_iterations_cond): Add only_exit argument. Use the
3819 fact that signed variables do not overflow only when only_exit
3820 is true.
3821 (loop_only_exit_p): New.
3822 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3823 number_of_iterations_cond.
3825 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3827 PR tree-optimization/26643
3828 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3829 bit_field_refs.
3831 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3833 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3834 (divsi3_i4_int): Likewise.
3836 2006-03-28 Roger Sayle <roger@eyesopen.com>
3838 * expr.c (emit_group_store): Only create a new pseudo reg if the
3839 quantity it needs to hold isn't already a suitable pseudo.
3841 2006-03-28 Jeff Law <law@redhat.com>
3843 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3844 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3846 2006-03-28 Roger Sayle <roger@eyesopen.com>
3848 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3849 the equivalent ~X & Y, and the symmetry related transformations.
3850 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3851 ~X & Y, and symmetry related transforms.
3853 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3855 Revert my 2006-03-27 patches.
3857 2006-03-28 Roger Sayle <roger@eyesopen.com>
3859 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3860 ~(T1)X, when T1 and T2 are integer types of the same precision
3861 and (T2)X isn't an extension.
3863 2006-03-28 Jeff Law <law@redhat.com>
3865 PR tree-optimization/26796
3866 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3867 need EH edge cleanups rather than purging them immediately.
3868 (eliminate_degenerate_phis): Handle queued EH cleanups.
3870 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3872 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3873 from parent_var.
3875 2006-03-27 Roger Sayle <roger@eyesopen.com>
3877 PR middle-end/22524
3878 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3879 cast BIT_NOT_EXPR operand to the correct type.
3881 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3883 * tree-loop-linear.c: Don't include varray.h.
3884 (gather_interchange_stats, try_interchange_loops,
3885 linear_transform_loops): Use VEC instead of VARRAY.
3886 * lambda-mat.c: Don't include varray.h.
3887 * tree-chrec.c: Same.
3888 * lambda-trans.c: Same.
3889 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3890 VEC instead of VARRAY.
3891 * tree-vectorizer.h: Idem.
3892 * tree-data-ref.c (dump_data_references,
3893 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3894 initialize_data_dependence_relation, finalize_ddr_dependent,
3895 compute_all_dependences, find_data_references_in_loop,
3896 compute_data_dependences_for_loop, analyze_all_data_dependences,
3897 free_dependence_relation, free_dependence_relations,
3898 free_data_refs): Idem.
3899 * tree-data-ref.h (data_reference_p, subscript_p): New.
3900 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3901 VEC instead of VARRAY.
3902 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3903 (find_data_references_in_loop, compute_data_dependences_for_loop,
3904 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3905 dump_data_dependence_relations, free_dependence_relations,
3906 free_data_refs): Adjust declaration.
3907 (lambda_transform_legal_p): Move declaration here...
3908 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3909 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3910 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3911 vect_analyze_data_refs): Use VEC instead of VARRAY.
3912 * lambda.h (lambda_transform_legal_p): ...from here.
3913 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3914 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3915 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3916 tree-chrec.o): Don't depend on VARRAY_H.
3918 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3920 * rtl.def (Copyright): Update date.
3921 (DEPS_LIST): Change type of the second operand to 'int'.
3922 * target.h (Copyright): Update date.
3923 (struct gcc_target.speculate_insn): Change type of the second parameter
3924 to 'int'.
3925 * lists.c (Copyright): Update date.
3926 (alloc_DEPS_LIST): Change signature. Update reference to the second
3927 operand of the DEPS_LIST.
3928 (copy_DEPS_LIST_list): Update reference to the second operand of the
3929 DEPS_LIST.
3930 * rtl.h (Copyright): Update date.
3931 (alloc_DEPS_LIST): Update signature.
3932 * sched-int.h (Copyright): Update date.
3933 (ds_t): Change typedef to 'int'.
3934 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3936 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3938 * haifa-sched.c (Copyright): Update date.
3939 (try_ready): Change condition to restore non-speculative pattern
3940 of the instruction.
3941 (process_insn_depend_be_in_spec): Code to keep probability of the
3942 speculative dependence non-decreasing.
3944 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3946 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3947 shut up the compiler.
3949 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3951 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3952 to use lib prefix for target.
3953 ($(T)libic_invalidate_array_4-200.a): Likewise.
3954 ($(T)libic_invalidate_array_4a.a): Likewise.
3956 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3957 J"orn Rennecke <joern.rennecke@st.com>
3959 * superh.opt: New file.
3960 * sh.c (boardtype, osruntime): Remove.
3961 * superh.h (SUBTARGET_OPTIONS): Remove.
3962 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3964 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3965 arguments with ^ and/or [].
3967 * config.gcc (sh-*-*): Add quoting to account for quirk of
3968 Solaris /bin/sh.
3969 Replace == with = in enable_incomplete_targets test.
3971 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3972 with MASK_LITTLE_ENDIAN.
3974 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3975 * config/sh/sh.opt: Added to some comments.
3976 * config/sh/superh.h: Removed some chaff.
3978 * config/sh/sh.opt: Add m4-[1234]00* options.
3979 * config/sh/sh.c (sh_handle_option): Likewise.
3980 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3981 (ic_invalidate_array_4-100.o): New rule.
3982 ($(T)libic_invalidate_array_4-100.a): Likewise.
3983 (ic_invalidate_array_4-200.o): Likewise.
3984 ($(T)libic_invalidate_array_4-200.a): Likewise.
3985 (ic_invalidate_array_4a.o): Likewise.
3986 ($(T)libic_invalidate_array_4a.a): Likewise.
3987 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3988 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3989 m4-200*, and m4a*.
3990 * config/sh/crt1.asm: Merged in profiling code.
3991 * config/sh/superh.h (STARTFILE_SPEC): Override.
3992 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3993 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3994 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3996 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3997 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3998 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4000 * sh.opt (mpretend-cmove): New option.
4001 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4002 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4003 (movsicc): Add TARGET_PRETEND_CMOVE code.
4005 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4007 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4008 s390_class_max_nregs): New function prototypes.
4009 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4010 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4011 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4012 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4014 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4016 * dwarf2out.c (add_location_or_const_value_attribute): Call
4017 tree_add_const_value_attribute if nothing else works.
4018 (reference_to_unused): New.
4019 (rtl_for_decl_init): Use reference_to_unused to decide whether
4020 to output an initializer.
4022 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4024 PR target/26459
4025 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4026 peephole removing spe frob_di_df_2.
4028 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4030 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4031 (subscript_dependence_tester_1): Declared.
4032 (print_dir_vectors, print_dist_vectors): New.
4033 (debug_data_dependence_relation): New.
4034 (dump_data_dependence_relation): Print more details.
4035 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4036 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4037 (save_dist_v, save_dir_v, add_outer_distances,
4038 build_classic_dist_vector_1): New.
4039 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4040 Don't test for lambda_vector_lexico_pos.
4041 (same_access_functions, add_multivariate_self_dist,
4042 add_other_self_distances, dir_from_dist): New.
4043 (build_classic_dir_vector): Replace implementation almost identical to
4044 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4045 dir_from_dist.
4046 (subscript_dependence_tester_1): New.
4047 (subscript_dependence_tester): Handle the lexicographically negative
4048 distance vectors by recomputing the dependence relation.
4049 (compute_affine_dependence): Remove parameter loop_nest_depth.
4050 (compute_self_dependence): Don't call compute_subscript_distance.
4051 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4052 Add a parameter for the loop_nest.
4053 (find_loop_nest_1, find_loop_nest): New.
4054 (compute_data_dependences_for_loop): Compute the loop nest, and give
4055 up if the nest is not well formed.
4056 * tree-data-ref.h (loop_p): New.
4057 (struct data_dependence_relation): Replace size_vect field with
4058 loop_nest, a vec of loops.
4059 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4060 (DDR_LOOP_NEST): New.
4061 (print_dir_vectors, print_dist_vectors,
4062 debug_data_dependence_relation): Declared.
4063 (index_in_loop_nest): New.
4064 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4065 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4066 distance.
4068 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4070 * simplify-rtx.c (simplify_relational_operation): Call
4071 simplify_relational_operation_1 even if mode is VOIDmode.
4073 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4075 PR tree-optimization/26804
4076 * tree.h (DECL_CALL_CLOBBERED): New macro.
4077 (tree_decl_common): Add call_clobbered_flag.
4078 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4079 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4080 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4081 (mark_non_addressable): Ditto.
4082 * tree-ssa.c (verify_call_clobbered): New function.
4083 (verify_alias_info): Use it.
4084 * tree-pass.h (pass_reset_cc_flags): New prototype.
4085 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4086 (reset_cc_flags): New function.
4087 * passes.c (init_optimization_passes): Call reset_cc_flags after
4088 initializing referenced_vars.
4090 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4091 Roger Sayle <roger@eyesopen.com>
4093 PR middle-end/26717
4094 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4095 to 1.0 for non-real operands. Implement A / A optimization for
4096 complex operands.
4098 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4100 * config/i386/i386.c (size_cost): Correct the comment for
4101 cost of storing fp registers.
4102 (i386_cost): Likewise.
4103 (i486_cost): Likewise.
4104 (pentium_cost): Likewise.
4105 (pentiumpro_cost): Likewise.
4106 (k6_cost): Likewise.
4107 (athlon_cost): Likewise.
4108 (k8_cost): Likewise.
4109 (pentium4_cost): Likewise.
4110 (nocona_cost): Likewise.
4111 (generic64_cost): Likewise.
4112 (generic32_cost): Likewise.
4114 2006-03-24 Denis Chertykov <denisc@overta.ru>
4116 * config/avr/avr-protos.h (extra_constraint): Delete.
4117 (extra_constraint_Q): New declaration.
4118 * config/avr/constraints.md: New file.
4119 * config/avr/avr.md: Include it.
4120 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4121 (TMP_REGNO, ZERO_REGNO): Likewise.
4122 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4123 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4124 (extra_constraint): Delete.
4125 (extra_constraint_Q): Test for memory constraint 'Q'.
4126 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4127 (REG_CLASS_FROM_LETTER): Delete.
4128 (CONST_OK_FOR_LETTER_P): Delete.
4129 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4130 (EXTRA_CONSTRAINT): Delete.
4131 (TMP_REGNO): Delete.
4132 (ZERO_REGNO): Delete.
4134 2006-03-24 Jeff Law <law@redhat.com>
4136 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4137 directly. Call mark_new_vars_to_rename slightly earlier.
4139 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4141 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4142 (is_cxx): Likewise.
4143 (gen_compile_unit_die): Use new language types for Objective-C and
4144 Objective-C++.
4145 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4146 DW_LANG_C_plus_plus.
4148 PR 26793
4149 * config/t-darwin (crt3.o): Work around bug 26840.
4150 * config/darwin-crt3.c: Rewrite.
4151 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4153 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4155 * doc/invoke.texi: Document -femit-class-debug-always
4156 * common.opt: Add -femit-class-debug-always.
4158 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4160 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4161 index and base register.
4162 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4163 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4164 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4165 REGNO_OK_FOR_INDEX_P.
4166 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4167 ADDR_REGNO_P.
4168 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4169 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4170 REG_OK_FOR_BASE_P): Definitions removed.
4172 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4174 PR middle-end/26611
4175 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4176 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4177 set yet or weren't marked as local yet.
4179 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4181 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4182 the compiler.
4184 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4186 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4187 (rs6000_legitimate_small_data_p): Delete.
4188 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4189 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4190 and make static. Add forward declaration. Update uses.
4191 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4192 of offsettable_memref_p.
4193 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4194 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4196 2006-03-24 Jeff Law <law@redhat.com>
4198 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4199 around bug in immediate-use iterator.
4201 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4203 PR target/26607
4204 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4205 or __LITTLE_ENDIAN__.
4207 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4209 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4210 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4211 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4212 * config/sh/sh.opt (mdiv=): Amend description.
4213 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4214 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4215 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4216 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4217 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4218 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4219 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4220 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4221 TARGET_DIVIDE_CALL_FP.
4223 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4225 * haifa-sched.c (choose_ready): Fix type of the local variable.
4226 Move local variables. Add comment.
4227 (check_reg_live): Change signature. Make callable from debugger.
4228 * sched-int.h (check_reg_live): Update signature.
4229 * sched-ebb.c (check_reg_live): Update parameters.
4230 * sched-rgn.c (check_reg_live): Ditto.
4231 (region_head_or_leaf_p): Check pointer before dereferencing.
4232 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4233 before reload on optimization levels below 1.
4235 2006-03-23 Richard Henderson <rth@redhat.com>
4237 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4238 tls symbols.
4240 PR target/26347
4241 * config/alpha/predicates.md (local_symbolic_operand): Reject
4242 weak symbols.
4244 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4246 PR tree-opt/26795
4247 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4248 expressions which have overflowed constants.
4250 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4252 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4254 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4256 * cfgloopmanip.c (create_loop_notes): Removed.
4257 * final.c (final_scan_insn): Do not handle loop notes.
4258 * jump.c (squeeze_notes): Ditto.
4259 * cfglayout.c (skip_insns_after_block,
4260 duplicate_insn_chain): Ditto.
4261 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4262 create_loop_notes.
4263 * cfgloop.h (create_loop_notes): Declaration removed.
4265 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4267 * varasm.c (output_constant_pool): Restore fnname and fndecl
4268 arguments.
4269 (assemble_start_function): Adjust call accordingly.
4270 (assemble_end_function): Likewise.
4272 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4274 PR mudflap/26789
4275 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4277 PR mudflap/26790
4278 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4280 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4282 PR driver/22600
4283 * system.h (ICE_EXIT_CODE): New macro.
4284 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4285 (diagnostic_action_after_output): Likewise.
4286 * gcc.c (fatal_ice): New function.
4287 (execute): Use it instead of fatal.
4288 (fancy_abort): Likewise.
4289 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4291 2006-03-22 Jeff Law <law@redhat.com>
4293 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4294 iv_analyze_result returning false.
4296 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4298 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4300 2006-03-22 Richard Henderson <rth@redhat.com>
4302 PR middle-end/26084
4303 * except.c (duplicate_eh_regions_0): New.
4304 (duplicate_eh_region_1): Duplicate the children of the node as
4305 well as the node itself. Link them up properly.
4306 (duplicate_eh_region_2): Merge into ...
4307 (duplicate_eh_regions): ... here. Take copy_region argument, and
4308 copy only a sub-tree if asked. Simplify copying and fixup.
4309 (eh_region_outer_p): New.
4310 * except.h (duplicate_eh_regions): Update decl.
4311 (eh_region_outer_p): Declare.
4312 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4313 (lower_omp_master): Likewise.
4314 (lower_omp_ordered): Likewise.
4315 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4316 (move_stmt_r): Use it to remap labels. Handle recursion vs
4317 remap_decls_p properly.
4318 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4319 (find_outermost_region_in_block): New.
4320 (new_label_mapper): New.
4321 (move_sese_region_to_fn): Copy eh information to the new function
4322 properly.
4323 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4324 argument.
4325 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4326 number.
4328 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4330 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4331 into shared libraries.
4333 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4335 * doc/md.texi: Refer to i386/constraints.md instead of
4336 i386/predicates.md.
4337 * config/i386/constraints.md: New file, extracted from...
4338 * config/i386/predicates.md: ...here.
4339 * config/i386/i386.md: Include constraints.md.
4341 2006-03-21 Jason Merrill <jason@redhat.com>
4343 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4345 PR middle-end/20297
4346 * expr.c (init_block_move_fn): Force default visibility.
4347 (init_block_clear_fn): Likewise.
4348 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4349 * targhooks.c (default_external_stack_protect_fail): Likewise.
4351 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4353 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4354 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4355 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4356 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4357 (loadgp): Use mips_current_loadgp_style.
4358 (loadgp_noshared): New pattern.
4359 (sibcall_internal): Use MIPS_CALL.
4360 (sibcall_value_internal): Likewise.
4361 (sibcall_value_multiple_internal): Likewise.
4362 (call_internal): Likewise.
4363 (call_value_internal): Likewise.
4364 (call_value_multiple_internal): Likewise.
4365 (call_split): Use MIPS_CALL and add an 'S' constraint.
4366 (call_value_split): Likewise.
4367 (call_value_multiple_split): Likewise.
4368 * config/mips/mips.opt (-mabicalls): Tweak docstring.
4369 (-mshared): New option.
4370 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
4371 (mips_current_loadgp_style): Declare.
4372 * config/mips/mips.c (mips_classify_symbol): Avoid using
4373 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
4374 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
4375 TARGET_ABSOLUTE_ABICALLS.
4376 (override_options): Adjust comments. Improve the warning that is
4377 issued when -mabicalls and -G are used together.
4378 (mips_file_start): Remove comment.
4379 (mips_current_loadgp_style): New function.
4380 (mips_gnu_local_gp): New variable.
4381 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
4382 LOADGP_ABSOLUTE.
4383 (mips_output_function_prologue): Use mips_current_laodgp_style.
4384 (mips_expand_prologue): Call mips_emit_loadgp before emitting
4385 the cprestore instruction.
4386 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
4387 live for TARGET_ABSOLUTE_ABICALLS.
4388 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
4389 (ASM_SPEC): Pass down -mshared and -mno-shared.
4390 (MIPS_CALL): New macro.
4391 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
4392 definition.
4393 * doc/invoke.texi (-mabicalls): Update documentation.
4394 (-mshared): Document.
4396 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4398 * config/ia64/unwind-hpux.c: New file.
4399 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
4401 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4403 PR libgomp/26384
4404 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
4406 2006-03-21 Jeff Law <law@redhat.com>
4408 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4409 type conversions of a VR_VARYING source to a wider type.
4411 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4413 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
4414 tm_file on Solaris 10 and later.
4415 (sparc64-*-solaris2*): Likewise.
4416 (sparc-*-solaris2*): Likewise.
4417 * config/sol26.h: Rename to config/sol2-6.h.
4418 * config/sol2-10.h: New file.
4420 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
4422 PR tree-opt/26781
4423 * tree-ssa-pre.c (create_component_ref_by_pieces):
4424 Handle STRING_CST.
4426 2006-03-21 Jakub Jelinek <jakub@redhat.com>
4428 PR c++/26690
4429 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
4430 return it immediately.
4432 2006-03-21 Michael Matz <matz@suse.de>
4434 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
4435 New members.
4436 (remove_arc, add_arc): Update num_out_arcs member.
4437 (set_out_arc_insns_equiv_num): Returns nothing instead of number
4438 of out arcs.
4439 (cache_presence): New function.
4440 (compare_states_for_equiv): New function.
4441 (state_is_differed): Don't take number of outargs, adjust callers.
4442 Use new invariant for speeding up.
4443 (init_equiv_class): Create initial classes based on sorted
4444 input.
4445 (partition_equiv_class): Don't track out_arcs_num.
4446 (evaluate_equiv_classes): Call cache_presence on all states and
4447 sort them.
4449 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
4451 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
4452 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
4453 (bfin_valid_reg_p): Test for pseudos explicitly and use only
4454 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
4455 callers changed.
4456 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
4457 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
4458 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
4459 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
4460 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
4461 macros.
4462 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
4463 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
4464 (REGNO_REG_CLASS): ARGP is in PREGS.
4465 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
4466 IREGS.
4467 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
4468 to deal with those addresses.
4469 * addresses.h: New file.
4470 * caller-save.c: Include "addresses.h".
4471 (init_caller_save): Use new base_reg_class function.
4472 * rtl-factoring.c: Include "addresses.h".
4473 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
4474 * recog.c: Include "addresses.h".
4475 (preprocess_constraints): Use new base_reg_class function.
4476 * regrename.c: Include "addresses.h".
4477 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
4478 functions. Keep track of a new var INDEX_CODE to compute valid
4479 classes.
4480 (replace_oldest_value_addr): Likewise.
4481 (replace_oldest_value_mem): Use base_reg_class.
4482 * reload.c: Include "addresses.h".
4483 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
4484 (find_reloads): Use new base_reg_class function.
4485 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
4486 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
4487 all callers and prototype changed.
4488 * reload1.c: Include "addresses.h".
4489 (maybe_fix_stack_asms): Use base_reg_class.
4490 * regclass.c: Include "addresses.h".
4491 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
4492 (init_reg_autoinc): Use new base_reg_class function.
4493 (record_reg_classes): Likewise.
4494 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
4495 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
4496 Use new args to compute necessary class.
4498 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
4499 regrename.o, rtl-factoring.o): Update dependencies.
4500 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
4501 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
4502 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
4503 REG_OK_FOR_INDEX_P): Delete documentation.
4505 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
4507 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
4508 from V7 to V9 for Solaris 7 and above.
4510 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
4512 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
4513 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
4514 argument pointers may not alias any other storage.
4515 * common.opt: Define option -fargument-noalias-anything.
4516 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
4517 alias semantics is specified by flag_argument_noalias > 2.
4519 2006-03-20 Jeff Law <law@redhat.com>
4521 * tree-pass.h (pass_phi_only_copy_prop): Delete.
4522 (pass_phi_only_cprop): Declare.
4523 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
4524 with phi_only_cprop
4525 * tree-ssa-dom.c (degenerate_phi_result): New function.
4526 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
4527 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
4528 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
4529 (eliminate_degenerate_phis): Likewise.
4530 (pass_phi_only_cprop): New pass descriptor.
4531 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
4532 support code. Callers updated.
4533 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
4534 (store_copy_prop): Likewise.
4535 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
4537 2006-03-20 Jason Merrill <jason@redhat.com>
4539 PR c++/21764
4540 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
4541 (push_visibility, pop_visibility): Likewise.
4542 * c-pragma.h: Declare them.
4544 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
4546 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
4548 * config/sh/sh.c (find_regmode_weight): Change the type of the first
4549 parameter and use get_ebb_head_tail.
4550 (sh_md_init_global): Adjust uses of find_regmode_weight.
4552 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
4554 * function.h (struct function) <x_tail_recursion_reentry>:
4555 Rename to x_stack_check_probe_note.
4556 (tail_recursion_reentry): Rename to stack_check_probe_note.
4557 * function.c: Replace tail_recursion_reentry with
4558 stack_check_probe_note everywhere.
4559 (expand_function_start): Only emit a note for
4560 stack_check_probe_note with -fstack-protect.
4561 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
4563 * emit-rtl.c (remove_unnecessary_notes): Remove.
4564 (pass_remove_unnecessary_notes): Remove.
4565 * rtl.h (remove_unnecessary_notes): Remove prototype.
4566 * final.c (final_start_function): Don't call remove_unnecessary_notes.
4567 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
4568 * passes.c (pass_remove_unnecessary_notes): Don't run it.
4570 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
4572 PR tree-opt/26629
4573 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
4574 (valid_in_set): Handle ARRAY_REF.
4575 Change "if min_variant or VH" to asserts.
4576 (create_component_ref_by_pieces): Handle ARRAY_REF.
4577 (create_expression_by_pieces): Likewise.
4578 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
4580 2006-03-20 David Edelsohn <edelsohn@gnu.org>
4582 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4583 is operand of switch, not str[0].
4585 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4587 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4588 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4590 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4592 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4593 end of insn_extra_address_constraint declaration.
4595 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4597 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4598 (no-sum-in-toc): Same.
4599 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4600 variables.
4601 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4602 NO_FP_IN_TOC for -fPIC instead of mask.
4604 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
4605 (BOOT_LDFLAGS): Delete.
4606 (LDFLAGS): Delete.
4607 * config/rs6000/t-aix52: Same.
4609 * config/rs6000/rs6000.md (store_multiple_power): Delete.
4610 (stmsi[345678]_power): New.
4612 2006-03-17 Steve Ellcey <sje@cup.hp.com>
4614 * config/ia64/ia64.opt: Add empty line to end of file.
4616 2006-03-17 Richard Guenther <rguenther@suse.de>
4618 PR middle-end/26721
4619 * builtins.c (get_pointer_alignment): For component style references
4620 adjust alignment to the component type alignment. Make sure
4621 to adjust alignment for component access of constants.
4623 2006-03-17 David Edelsohn <edelsohn@gnu.org>
4625 * config/rs6000/rs6000.md (strlensi): Emit barrier after
4626 unconditional jump.
4628 2006-03-17 Paul Brook <paul@codesourcery.com>
4630 * doc/install.texi: Docuemnt --with-mode.
4631 * config.gcc: Add --with-mode for arm*-*-*.
4632 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
4634 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
4636 * sh.c (max_labelno_before_reorg): New variable.
4637 (sh_reorg): Initialize it.
4638 (find_barrier): Check max_labelno_before_reorg before using
4639 label_to_alignment. Take length of explicit alignment insns
4640 into account. When seeing a UNSPECV_CONST_END, return it.
4642 * sh.c (fixup_mova): Set mode of affected label to QImode.
4643 (untangle_mova): New function.
4644 (find_barrier): Use it. Check mode of label before decrementing
4645 num_mova.
4646 (sh_reorg): Likewise.
4647 Set mode of all insns back to VOIDmode.
4649 * sh.c (MOVA_LABELREF): New macro.
4650 (mova_p, fixup_mova, sh_reorg): Use it.
4651 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
4652 ADDR_DIFF_VEC matches mova.
4654 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
4656 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
4657 with ATTRIBUTE_UNUSED.
4659 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4661 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4662 pointer, instead of assuming it is possible to derive the
4663 correct args size from a call insn.
4665 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4667 * rtl.h (CONST_INT_P): Define.
4668 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
4669 instead of GET_CODE(x) == CONST_INT.
4670 (vax_rtx_costs): Likewise.
4671 (vax_output_int_move): Likewise.
4672 (vax_output_int_add): Likewise.
4673 (legitimate_constant_address_p): Likewise.
4674 (index_term_p): Likewise.
4675 * config/vax/vax.h (PRINT_OPERAND): Likewise.
4676 * config/vax/vax.md (and<mode>3): Likewise.
4677 (ashrsi3): Likewise.
4678 (extv): Likewise.
4679 (movstricthi): Likewise.
4680 (movstrictqi): Likewise.
4681 (rotrsi3): Likewise.
4682 (five unnamed insns): Likewise.
4684 2006-03-16 Geoffrey Keating <geoffk@apple.com>
4686 * doc/tm.texi (SDB and DWARF): Add extra parameter to
4687 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
4688 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
4689 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
4690 Pass to ASM_OUTPUT_DWARF_OFFSET.
4691 * dwarf2out.c (debug_frame_section): New.
4692 (output_call_frame_info): Use debug_frame_section. Pass it to
4693 dw2_asm_output_offset.
4694 (output_die): Pass appropriate section to dw2_asm_output_offset.
4695 (output_compilation_unit_header): Likewise.
4696 (output_pubnames): Likewise.
4697 (output_aranges): Likewise.
4698 (enum dw_val_class): Break dw_val_class_lbl_offset into
4699 dw_val_class_lineptr and dw_val_class_macptr.
4700 (add_AT_lbl_offset): Delete.
4701 (add_AT_lineptr): New.
4702 (add_AT_macptr): New.
4703 (AT_lbl): Expect a lineptr or macptr.
4704 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4705 (attr_checksum): Likewise.
4706 (same_dw_val_p): Likewise.
4707 (size_of_die): Likewise.
4708 (value_format): Likewise.
4709 (output_die): Likewise.
4710 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4711 add_AT_lbl_offset.
4712 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4713 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4714 * config/darwin-protos.h (darwin_file_start): New.
4715 (darwin_asm_output_dwarf_offset): New.
4716 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4717 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4718 darwin_file_start.
4719 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4720 if not EH section; simplify.
4721 (darwin_file_start): New.
4722 (darwin_asm_output_dwarf_offset): New.
4723 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4724 mark as 'debug'.
4725 (DEBUG_INFO_SECTION): Likewise.
4726 (DEBUG_ABBREV_SECTION): Likewise.
4727 (DEBUG_ARANGES_SECTION): Likewise.
4728 (DEBUG_MACINFO_SECTION): Likewise.
4729 (DEBUG_LINE_SECTION): Likewise.
4730 (DEBUG_LOC_SECTION): Likewise.
4731 (DEBUG_PUBNAMES_SECTION): Likewise.
4732 (DEBUG_STR_SECTION): Likewise.
4733 (DEBUG_RANGES_SECTION): Likewise.
4734 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4735 (ASM_OUTPUT_DWARF_OFFSET): New.
4737 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
4739 * config.gcc (tm_defines): Always add to previous value rather
4740 than replacing it.
4742 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4744 * config/mips/predicates.md (splittable_const_int_operand): New,
4745 split from move_operand.
4746 (splittable_symbolic_operand): New.
4747 (move_operand): Add commentary. Use splittable_const_int_operand.
4748 Inline mips_atomic_symbolic_constant_p.
4749 * config/mips/mips.md: Add combine splitters for handling moves
4750 of splittable_const_int_operands and splittable_symbolic_operands.
4751 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4752 (mips_split_symbol): Declare.
4753 (mips_move_integer): Declare.
4754 * config/mips/mips.c (mips_split_p): Make global.
4755 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4756 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4757 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4758 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4759 (mips_offset_within_object_p): Handle block symbols.
4760 (mips_atomic_symbolic_constant_p): Delete.
4761 (mips_cannot_force_const_mem): Return false for constants that
4762 mips_legitimize_move can handle.
4763 (mips_use_blocks_for_constant_p): New function.
4764 (mips_split_symbol): Make global.
4765 (mips_move_integer): Likewise. Add a temporary register argument.
4766 (mips_legitimize_const_move): Use splittable_const_int_operand and
4767 splittable_symbolic_operand.
4768 (mips_use_anchors_for_symbol_p): New function.
4769 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4770 (mips_split_p): Declare.
4772 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4774 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4775 (mips*-*-linux*): Likewise.
4777 2006-03-16 Roger Sayle <roger@eyesopen.com>
4778 Daniel Speyer <dspeyer@wam.umd.edu>
4780 PR middle-end/18259
4781 * tree-dump.c (dump_real): New function.
4782 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4783 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4784 (tree-dump.o): Add $(REAL_H) to the dependencies.
4786 2006-03-16 Roger Sayle <roger@eyesopen.com>
4788 PR middle-end/21781
4789 * real.c (real_from_string): If the mantissa is zero, don't bother
4790 parsing the exponent as the result should always be zero.
4792 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4794 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4796 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4798 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4799 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4800 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4801 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4802 ia64_sched_finish_global): New static functions to implement
4803 hooks from gcc_target.sched.
4804 (spec_check_no, max_uid, pending_data_specs): New static variables.
4805 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4806 ia64_spec_check_src_p): New static functions.
4807 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4808 (TARGET_SCHED_ADJUST_COST): Removed.
4809 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4810 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4811 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4812 TARGET_SCHED_GEN_CHECK,
4813 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4814 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4815 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4816 Fixed to handle speculation checks.
4817 (rtx_needs_barrier): Fixed to handle speculative loads and
4818 their checks.
4819 (ia64_variable_issue): Added code to count speculative loads and their
4820 checks.
4821 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4822 speculative loads.
4823 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4824 New enumerations.
4825 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4826 New constants.
4827 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4828 (ia64_reorg): Reset stops_p to NULL after it is freed.
4829 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4830 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4831 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4832 chk_a.
4833 (data_speculative, control_speculative, check_load): New attributes.
4834 (mov<mode>_advanced, mov<mode>_speculative,
4835 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4836 zero_extend<mode>di2_speculative,
4837 zero_extend<mode>di2_speculative_advanced): New patterns for
4838 data and control speculative loads.
4839 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4840 check loads.
4841 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4842 New pattern for data and control speculation checks.
4843 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4844 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4845 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4846 Auxiliary definitions for the patterns.
4847 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4848 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4849 constraints.
4850 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4851 for speculation.
4852 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4853 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4854 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4855 New resource constraints.
4856 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4857 for speculation.
4858 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4859 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4860 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4861 msched-in-control-spec, msched-ldc, msched-control-ldc,
4862 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4863 msched-prefer-non-control-spec-insns,
4864 msched-count-spec-in-critical-path): New flags to tune speculative
4865 scheduling.
4866 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4867 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4868 msched-in-control-spec, msched-ldc, msched-control-ldc,
4869 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4870 msched-prefer-non-control-spec-insns,
4871 msched-count-spec-in-critical-path): Document new flags.
4873 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4875 * target.h (struct spec_info_def): New opaque declaration.
4876 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4877 speculate_insn, needs_block_p, gen_check,
4878 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4879 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4880 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4881 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4882 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4883 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4884 gcc_target.sched.
4885 (TARGET_SCHED): Use new macros.
4886 * rtl.h (copy_DEPS_LIST_list): New prototype.
4887 * sched-int.h (struct sched_info): Change signature of new_ready field,
4888 adjust all initializations. New fields: add_remove_insn,
4889 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4890 region_head_or_leaf_p.
4891 (struct spec_info_def): New structure declaration.
4892 (spec_info_t): New typedef.
4893 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4894 recovery_block, orig_pat.
4895 (glat_start, glat_end): New variables declaraions.
4896 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4897 New access macros.
4898 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4899 DETACH_LIFE_INFO, USE_GLAT.
4900 (enum SPEC_SCHED_FLAGS): New enumeration.
4901 (NOTE_NOTE_BB_P): New macro.
4902 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4903 attach_life_info, debug_spec_status, check_reg_live): New functions.
4904 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4905 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4906 sched-ebb.c
4907 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4908 * ddg.c (get_block_head_tail): Adjust all uses.
4909 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4910 (sms_sched_info): Initialize new fields.
4911 (contributes_to_priority): Removed.
4912 * haifa-sched.c (params.h): New include.
4913 (get_block_head_tail): Adjust all uses.
4914 (ISSUE_POINTS): New macro.
4915 (glat_start, glat_end): New global variables.
4916 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4917 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4918 old_last_basic_block, before_recovery, current_sched_info_var,
4919 rgn_n_insns, luid): New static variables.
4920 (insn_cost1): New function. Move logic from insn_cost to here.
4921 (find_insn_reg_weight1): New function. Move logic from
4922 find_insn_reg_weight to here.
4923 (reemit_notes, move_insn, max_issue): Change signature.
4924 (move_insn1): Removed.
4925 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4926 extend_bb): New static functions to support extension of scheduler's
4927 data structures.
4928 (generate_recovery_code, process_insn_depend_be_in_spec,
4929 begin_speculative_block, add_to_speculative_block,
4930 init_before_recovery, create_recovery_block, create_check_block_twin,
4931 fix_recovery_deps): New static functions to support
4932 generation of recovery code.
4933 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4934 restore_bb_notes, move_block_after_check, move_succs): New static
4935 functions to support ebb scheduling.
4936 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4937 functions to support handling of register live information.
4938 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4939 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4940 add_jump_dependencies): New static functions.
4941 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4942 consistancy checking.
4943 (debug_spec_status): New function to call from debugger.
4944 (priority): Added code to handle speculation checks.
4945 (rank_for_schedule): Added code to distinguish speculative instructions.
4946 (schedule_insn): Added code to handle speculation checks.
4947 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4948 Fixed to handle ebbs.
4949 (move_insn): Added code to handle ebb scheduling.
4950 (max_issue): Added code to use ISSUE_POINTS of instructions.
4951 (choose_ready): Added code to choose between speculative and
4952 non-speculative instructions.
4953 (schedule_block): Added code to handle ebb scheduling and scheduling of
4954 speculative instructions.
4955 (sched_init): Initialize new variables.
4956 (sched_finish): Free new variables. Print statistics.
4957 (try_ready): Added code to handle speculative instructions.
4958 * lists.c (copy_DEPS_LIST_list): New function.
4959 * sched-deps.c (extend_dependency_caches): New function. Move logic
4960 from create_dependency_caches to here.
4961 (get_dep_weak, ds_merge): Make global.
4962 * genattr.c (main): Code to output prototype for
4963 dfa_clear_single_insn_cache.
4964 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4965 (output_dfa_clean_insn_cache_func): Code to output
4966 dfa_clear_single_insn_cache function.
4967 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4968 n_insns.
4969 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4970 Removed.
4971 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4972 New static variables.
4973 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4974 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4975 struct sched_info.
4976 (ebb_sched_info): Initialize new fields.
4977 (get_block_head_tail): Adjust all uses.
4978 (compute_jump_reg_dependencies): Fixed to use glat_start.
4979 (schedule_ebb): Code to remove unreachable last block.
4980 (schedule_ebbs): Added code to update register live information.
4981 * sched-rgn.c (region_sched_info): Initialize new fields.
4982 (get_block_head_tail): Adjust all uses.
4983 (last_was_jump): Removed. Adjust users.
4984 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4985 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4986 Implement new hooks.
4987 (check_dead_notes1): New static function.
4988 (struct region): New fields: dont_calc_deps, has_real_ebb.
4989 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4990 (BB_TO_BLOCK): Fixed to handle EBBs.
4991 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4992 (ebb_head): New static variable.
4993 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4994 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4995 new fields.
4996 (compute_dom_prob_ps): New assertion.
4997 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4998 global_live_at_start.
4999 (init_ready_list): New assertions.
5000 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5001 (new_ready): Add support for BEGIN_CONTROL speculation.
5002 (schedule_insns): Fixed code that updates register live information
5003 to handle EBBs.
5004 (schedule_region): Fixed to handle EBBs.
5005 (init_regions): Use extend_regions and check_dead_notes1.
5006 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5007 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5008 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5009 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5010 TARGET_SCHED_GEN_CHECK,
5011 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5012 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5013 * doc/invoke.texi (max-sched-insn-conflict-delay,
5014 sched-spec-prob-cutoff): Document.
5016 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5018 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5019 inter_tick, queue_index.
5020 (struct sched_info): Change signature of init_ready_list field.
5021 Adjust all initializations.
5022 (RESOLVED_DEPS): New access macro.
5023 (ready_add): Remove prototype.
5024 (try_ready): Add prototype.
5025 * sched-rgn.c (init_ready_list): Use try_ready.
5026 (schedule_region): Initialize
5027 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5028 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5029 (init_ready_list): Use try_ready.
5030 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5031 * lists.c (remove_list_elem): Remove `static'.
5032 (remove_free_INSN_LIST_elem): New function.
5033 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5034 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5035 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5036 New constants.
5037 (readyp): New variable.
5038 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5039 change_queue_index, resolve_dep): New static functions.
5040 (try_ready): New function. Adjust callers in sched-rgn.c and
5041 sched-ebb.c to use it instead of ready_add.
5042 (clock_var): Move at the begining of file.
5043 (rank_for_schedule): Fix typo.
5044 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5045 (ready_lastpos): Enforce assertion.
5046 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5047 update all callers.
5048 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5049 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5050 (queue_to_ready): Use free_INSN_LIST_list.
5051 (early_queue_to_ready): Fix typo.
5052 (schedule_block): Init readyp. Move init_ready_list call after the
5053 initialization of clock_var. Fix error in rejecting insn by
5054 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5055 that previously corrected INSN_TICKs. Add code for handling
5056 QUEUE_INDEX.
5057 (set_priorities): Fix typo.
5058 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5059 Clarify comment and code that keeps current_sched_info->next_tail
5060 non-null.
5062 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5064 * sched-rgn.c (extend_rgns): New static function.
5065 (find_rgns): Use it.
5066 (gather_region_statistics, print_region_statistics): New static
5067 functions.
5068 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5069 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5071 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5072 Andrey Belevantsev <abel@ispras.ru>
5074 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5075 * lists.c (unused_deps_list): New variable.
5076 (free_list): Add assertions to verify the proper distinguishing
5077 between INSN_LISTs and DEPS_LISTs.
5078 (find_list_elem, remove_list_elem, remove_list_node): New static
5079 functions.
5080 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5081 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5082 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5083 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5084 an INSN_LIST.
5085 (free_INSN_LIST_node): Likewise.
5086 * modulo-sched.c (current_sched_info): Initialize flags field.
5087 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5088 * rtl.def (DEPS_LIST): Define.
5089 * rtl.h: Declare new functions from lists.c.
5090 * sched-deps.c (spec_dependency_cache): New static variable.
5091 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5092 (add_dependence): Change return type to void. Move the logic to ...
5093 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5094 (delete_all_dependences): Add comment about forward_dependency_cache.
5095 Handle spec_dependency_cache. Handle DEPS_LISTs.
5096 (fixup_sched_groups): Clarify the change of priority of output
5097 and anti dependencies.
5098 (sched_analyze_2): Adjust add_dependence calls to create data
5099 speculative dependence.
5100 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5101 Adjust all callers. Handle DEPS_LISTS.
5102 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5103 presence of speculation.
5104 (init_dependency_caches, free_dependency_caches):
5105 Handle spec_dependency_cache.
5106 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5107 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5108 New static functions.
5109 (add_or_update_back_dep, add_or_update_back_forw_dep,
5110 add_back_forw_dep, delete_back_forw_dep): New functions.
5111 * sched-int.h (ds_t, dw_t): New typedefs.
5112 (struct sched_info): Add new field flags.
5113 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5114 Prototype new sched-deps.c functions.
5115 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5116 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5117 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5118 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5119 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5120 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5121 New constants.
5122 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5123 New enums.
5124 * sched-rgn.c (current_sched_info): Initialize flags field.
5125 (schedule_insns): Initialize current_sched_info before the sched_init
5126 call.
5127 * sched-ebb.c (current_sched_info): Initialize flags field.
5128 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5129 Call add_or_update_back_dep instead of add_dependence.
5130 Create control speculative dependencies.
5131 (schedule_insns): Initialize current_sched_info before the sched_init
5132 call.
5134 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5136 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5137 fs->signal_frame.
5138 (sh_fallback_frame_state): Likewise.
5140 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5142 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5143 Do switch on default_use_cxa_atexit.
5144 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5145 * config/darwin-crt3.o: New.
5146 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5147 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5148 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5149 OS version.
5150 * config/rs6000/t-darwin: Move crt2.o building to here.
5151 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5152 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5153 of __cxa_atexit.
5155 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5157 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5158 from '! xxx' to '!xxx' for coding-style conformance.
5159 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5160 (EXTRA_CONSTRAINT): Likewise.
5161 * config/vax/vax.md (four unnamed insns): Likewise.
5163 2006-03-15 Paul Brook <paul@codesourcery.com>
5165 * config/arm/arm.c (minipool_pad): New.
5166 (add_minipool_forward_ref): Include pool alignment padding in address
5167 calculation.
5168 (push_minipool_fix): Set minipool_pad.
5169 (minipool_pad): Ditto.
5171 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5173 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5174 instead of GET_CODE() == MEM and REG_P() instead of
5175 GET_CODE() == REG.
5176 (print_operand_address): Likewise.
5177 (vax_address_cost): Likewise.
5178 (vax_rtx_costs): Likewise.
5179 (vax_notice_update_cc): Likewise.
5180 (vax_output_int_add): Likewise.
5181 (INDEX_REGISTER_P): Likewise.
5182 (BASE_REGISTER_P): Likewise.
5183 (nonindexed_address_p): Likewise.
5184 (vax_mode_dependent_address_p): Likewise.
5185 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5186 (PRINT_OPERAND): Likewise.
5187 * config/vax/vax.md (ashlsi3): Likewise.
5188 (ashlsi3): Likewise.
5189 (some more unnamed insns): Likewise.
5191 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5193 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5194 iterator-style macro.
5195 (mark_control_dependent_edges_necessary): Update the use of
5196 EXECUTE_IF_CONTROL_DEPENDENT.
5198 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5200 * config/sh/predicates.md (cache_address_operand): Special.
5201 (ua_address_operand): Likewise.
5203 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5205 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5206 loop notes.
5207 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5209 2006-03-15 Andreas Schwab <schwab@suse.de>
5211 * gensupport.c (identify_predicable_attribute): Don't free p_false
5212 when it is still in use.
5214 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5216 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5217 the default setting here.
5219 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5221 * tree-pass.h (pass_cfg): Remove.
5222 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5223 * passes.c (pass_cfg): Don't run it.
5225 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5227 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5228 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5229 VEC(char,heap) *.
5230 (stack_regs_mentioned): Update the uses of
5231 stack_regs_mentioned_data. Don't access the array beyond its
5232 end.
5233 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5234 Don't include gt-reg-stack.h.
5236 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5237 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5239 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5241 PR middle-end/26684
5242 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5243 STACK_REGS.
5245 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5247 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5249 2006-03-14 Richard Guenther <rguenther@suse.de>
5251 PR tree-optimization/26672
5252 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5253 SSA form.
5255 2006-03-14 Richard Guenther <rguenther@suse.de>
5257 PR tree-optimization/26667
5258 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5259 node for the callees. Always allow inlining if it will shrink
5260 the function size.
5262 2006-03-14 Richard Guenther <rguenther@suse.de>
5264 PR middle-end/26659
5265 * builtins.c (get_pointer_alignment): Prefer alignment
5266 information from decls over that from types.
5268 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5270 PR target/26657
5271 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5273 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5275 * config/rs6000/rs6000.opt (mdlmzb): New option.
5276 (msched-prolog, msched-epilog): Use Var not Mask.
5277 * doc/invoke.texi (-mdlmzb): Document.
5278 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5279 MASK_SCHED_PROLOG.
5280 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5281 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5283 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5285 PR rtl-optimization/25739
5286 * bt-load.c (augment_live_range): Free tos pointer.
5288 * gensupport.c (identify_predicable_attribute): Free
5289 p_false pointer.
5290 * gcov.c (create_file_names): Free name pointer.
5292 2006-03-13 Roger Sayle <roger@eyesopen.com>
5294 PR middle-end/26557
5295 * stmt.c (emit_case_nodes): Handle the case where the index is a
5296 CONST_INT, where the comparison mode is specified by the index type.
5298 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5300 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5301 is defined.
5303 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5305 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5306 (*branch_fp_inverted): Likewise.
5308 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5310 PR middle-end/25989
5311 * omp-low.c (expand_omp_for_generic): Mark istart0
5312 and iend0 as addressable.
5314 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5316 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5318 2006-03-13 Jeff Law <law@redhat.com>
5320 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5321 virtual operands are interesting.
5322 (vrp_visit_stmt): Corresponding changes.
5324 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5326 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5327 of RETS.
5328 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5329 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5330 * config/bfin/crti.S: Use it instead of __PIC__.
5331 * config/bfin/crtn.S: Likewise.
5333 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5334 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5335 not if flag_pic.
5336 Lose 'G' modifier for call operand.
5337 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5338 recognize 'G' modifier.
5340 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5342 PR middle-end/18859
5343 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5344 * stmt.c (expand_case): Likewise.
5346 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5348 PR rtl-optimization/26254
5349 * loop-invariant.c (seq_insns_valid_p): New function.
5350 (move_invariant_reg): Only emit new code if it is valid.
5352 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5354 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5355 Removed.
5356 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5357 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
5358 (commit_one_edge_insertion): Do not look for loop notes.
5360 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5362 * jump.c (follow_jumps): Do not check for loop notes. Move check for
5363 flag_test_coverage out of loop.
5365 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5367 * final.c (shorten_branches): Remove outdated comment, and turn
5368 the if branch that guards it to continue.
5370 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5372 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
5373 * cfgloop.h (struct loop): Remove unused fields.
5375 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
5377 * doc/invoke.texi (-fdump-rtl-loop): Remove.
5378 (-dL, -fdump-rtl-loop2): Update the dump file names
5380 * doc/invoke.texi: Update dump file names.
5382 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
5384 * predict.c (estimate_probability): Remove.
5385 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
5386 * basic-block.h (estimate_probability): Remove prototype.
5387 * passes.c (finish_optimization_passes): Dump branch prediction or
5388 profiling heuristics to the .profile tree dump.
5389 (init_optimization_passes): Unqueue pass_branch_prob.
5391 * doc/invoke.texi (-fdump-rtl-bp): Remove.
5393 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5395 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
5396 * rtl.h (LABEL_NEXTREF): Remove field accessor.
5398 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
5400 * function.h (frame_offset_overflow): Declare.
5401 * function.c (frame_offset_overflow): New function.
5402 (assign_stack_local_1): Call it to detect that the offset overflows.
5403 * cfgexpand.c (alloc_stack_frame_space): Likewise.
5405 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5407 * config/sh/sh.c: Include alloc-pool.h.
5408 (label_ref_list_pool): New alloc pool.
5409 (label_ref_list_t): New type for lists of labels.
5410 (struct pool_node): Make wend a label_ref_list_t.
5411 (add_constant): Use the new type, eradicate LABEL_NEXTREF
5412 references.
5413 (dump_table): Likewise.
5414 (sh_reorg): Set up the alloc pool before using add_constant and
5415 dump_table, and destroy it when finishing.
5417 2006-03-11 Richard Sandiford <richard@codesourcery.com>
5419 * config/mips/mips.c: Remove redundant comment.
5421 2006-03-10 Jason Merrill <jason@redhat.com>
5423 PR c/26004
5424 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
5425 the target was declared 'register'.
5427 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
5429 * genpreds.c (write_insn_constraint_len): Change definition of
5430 insn_constraint_len to return size_t to match the declaration.
5432 2006-03-10 DJ Delorie <dj@redhat.com>
5434 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
5435 start at zero.
5436 (m32c_expand_insv): Fix test for an AND mask.
5438 2006-03-10 Richard Guenther <rguenther@suse.de>
5440 PR middle-end/26565
5441 * builtins.c (get_pointer_alignment): Handle component
5442 references for field alignment.
5444 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5446 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
5447 when building with libgloss.
5448 (sh*elf): Implement --without-fp option.
5449 (sh64-superh-linux*): Don't multilib.
5451 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5453 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
5455 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
5457 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
5458 Set it when one of the replacement functions returned true.
5459 Return TODO_cleanup_cfg if cfgchanged is true.
5460 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
5462 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
5464 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
5465 instead of gen_lowpart.
5467 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5469 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
5470 interface.
5471 (mips_output_order_conditional_branch): Declare.
5472 * config/mips/mips.h (MIPS_BRANCH): New macro.
5473 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
5474 for the comparison. Use gen_condjump.
5475 (mips_output_conditional_branch): Rework interface to take the
5476 asm templates for a direct branch and the inverse of a direct branch.
5477 (mips_output_order_conditional_branch): New function.
5478 (mips_builtin_branch_and_move): New function.
5479 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
5480 branch condition. Use gen_single_cc as the condition for
5481 __builtin_mips_upper_* or __builtin_mips_lower_*.
5482 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
5483 Use VOIDmode for the branch condition.
5484 * config/mips/predicates.md (order_operator): New predicate.
5485 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
5486 (branch_fp): Rename to...
5487 (*branch_fp): ...this. Remove mode from comparison operator.
5488 Use new mips_output_conditional_branch interface.
5489 (branch_fp_inverted): Rename to...
5490 (*branch_fp_inverted): ...this and update as for *branch_fp.
5491 (*branch_zero<mode>): Rename to...
5492 (*branch_order<mode>): ...this. Remove mode from comparison operator.
5493 Use mips_output_order_conditional_branch. Only accept ordered
5494 comparisons.
5495 (*branch_zero<mode>_inverted): Rename to...
5496 (*branch_order<mode>_inverted): ...this and update as for
5497 *branch_order<mode>.
5498 (*branch_equality<mode>): Accept zero as the second operand to
5499 the equality operator. Use the new mips_output_conditional_branch
5500 interface.
5501 (*branch_equality<mode>_inverted): Likewise.
5502 (condjump): New expander.
5503 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
5504 operator.
5505 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
5506 (bc1any2t, bc1any2f): Likewise.
5507 (single_cc): New expander.
5508 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
5510 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5512 * doc/md.texi: Update documentation of MIPS constraints.
5513 * config/mips/constraints.md: New file.
5514 * config/mips/mips.md: Include it.
5515 * config/mips/mips.c (mips_char_to_class): Delete.
5516 (override_options): Don't initialize mips_char_to_class.
5517 * config/mips/mips.h (mips_char_to_class): Delete.
5518 (REG_CLASS_FROM_LETTER): Delete.
5519 (CONST_OK_FOR_LETTER_P): Delete.
5520 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5521 (EXTRA_CONSTRAINT_Y): Delete.
5522 (EXTRA_CONSTRAINT_STR): Delete.
5523 (CONSTRAINT_LEN): Delete.
5524 (EXTRA_MEMORY_CONSTRAINT): Delete.
5526 2006-03-09 Diego Novillo <dnovillo@redhat.com>
5528 * tree-cfg.c (move_block_to_fn): Remove the statements from the
5529 original fn's eh regions.
5531 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
5533 * fold-const.c (build_range_check): Make sure to use a valid type to
5534 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
5535 transformation.
5537 (range_predecessor): New static function.
5538 (range_successor): Likewise.
5539 (merge_ranges): Use them to compute predecessors and successors of
5540 range bounds.
5542 2006-03-09 Roger Sayle <roger@eyesopen.com>
5544 PR middle-end/26561
5545 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
5546 X op C3, consider whether C3 overflows towards +Inf or -Inf.
5548 2006-03-08 DJ Delorie <dj@redhat.com>
5550 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
5551 (addpsi3): Expand to include memory operands. Remove
5552 reload-specific splits.
5553 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
5554 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
5555 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
5556 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
5557 (shift1_qi, shift1_hi, insv): New.
5558 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
5559 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
5560 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
5561 cond_to_int): New.
5562 * config/m32c/m32c-protos.h: Update as needed.
5563 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
5564 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
5565 Fail for unrecognized R* constraints.
5566 (m32c_cannot_change_mode_class): Be more picky about pseudos.
5567 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
5568 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
5569 Add Sp constraint.
5570 (m32c_init_libfuncs): New.
5571 (m32c_legitimate_address_p): Add debug wrapper.
5572 (m32c_rtx_costs): New.
5573 (m32c_address_cost): New.
5574 (conversions): Add 'B' prefix.
5575 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
5576 operands, or word regnames for QI operands. 'B' prints bit
5577 position.
5578 (m32c_expand_setmemhi): New.
5579 (m32c_expand_movmemhi): New.
5580 (m32c_expand_movstr): New.
5581 (m32c_expand_cmpstr): New.
5582 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5583 (m32c_expand_neg_mulpsi3): Handle non-ints.
5584 (m32c_cmp_flg_0): New.
5585 (m32c_expand_movcc): New.
5586 (m32c_expand_insv): New.
5587 (m32c_scc_pattern): New.
5588 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5589 a0/a1 out of SIregs.
5590 (STORE_FLAG_VALUE): New.
5591 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5592 code macros.
5593 (no_insn): New.
5594 * config/m32c/mov.md: Make constraints more liberal.
5595 (zero_extendqihi2): Optimize r0/r1 case.
5596 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5597 * config/m32c/predicates.md (m32c_any_operand): New.
5598 (m32c_nonimmediate_operand): New.
5599 (m32c_hl_operand): New.
5600 (m32c_r3_operand): New.
5601 (ap_operand): New.
5602 (ma_operand): New.
5603 (memsym_operand): New.
5604 (memimmed_operand): New.
5605 (a_qi_operand): New.
5606 (m32c_eqne_operator): New.
5607 (m32c_1bit8_operand): New.
5608 (m32c_1bit16_operand): New.
5609 (m32c_1mask8_operand): New.
5610 (m32c_1mask16_operand): New.
5611 * config/m32c/blkmov.md: New file.
5612 * config/m32c/t-m32c (MD_FILES): Add blkmov.
5614 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
5616 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
5617 unsigned to fix signed/unsigned comparison issue in
5618 DWARF2_FRAME_REG_OUT.
5619 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
5620 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
5622 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
5623 of ptr into the ENABLE_CHECKING section.
5625 2006-03-08 Jeff Law <law@redhat.com>
5627 * tree-vrp.c (infer_value_range): Only count pointer uses
5628 and dereferences if -fdelete-null-pointer-checks is enabled.
5630 * tree-vrp.c (find_assert_locations): Infer value ranges for
5631 single use pointers, but do not create ASSERT_EXPRs for them.
5632 When a non-null range is inferred for a pointer, backwards
5633 propagate that range to other equivalent pointers through the
5634 use-def chain.
5636 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
5638 PR bootstrap/26500
5639 * Makefile.in (dvi, html, install-info): Invoke the corresponding
5640 language hook targets.
5641 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
5642 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
5643 if language hook targets were missing.
5645 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
5647 * tree-ssa-opfinalize.h: Removed.
5648 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
5649 dependency.
5650 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
5651 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
5652 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
5653 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
5654 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5655 finalize_ssa_v_must_def_ops): New.
5657 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
5659 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
5660 block as parameter.
5662 2006-03-07 Geoffrey Keating <geoffk@apple.com>
5664 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
5666 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
5667 addresses with offsets; reorganize.
5669 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
5670 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
5671 (expand_builtin_init_dwarf_reg_sizes): Likewise.
5673 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
5675 PR target/26588
5676 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
5678 2006-03-08 Ben Elliston <bje@au.ibm.com>
5680 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5682 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
5684 PR gomp/26238
5685 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
5686 expansion.
5688 2006-03-07 Richard Guenther <rguenther@suse.de>
5690 PR tree-optimization/26587
5691 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5693 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5695 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
5697 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5699 * hooks.c (hook_bool_mode_rtx_true): New function.
5700 * hooks.h (hook_bool_mode_rtx_true): Declare.
5701 * toplev.c (compile_file): Call output_shared_constant_pool.
5702 * varasm.c (shared_constant_pool): New variable.
5703 (assemble_start_function, assemble_end_function): Remove arguments
5704 from call to output_constant_pool.
5705 (create_constant_pool): New function, split out from...
5706 (init_varasm_status): ...here.
5707 (force_const_mem): Choose between the shared and per-function constant
5708 pools. Set current_function_uses_const_pool when reusing old entries
5709 as well as when creating new ones.
5710 (mark_constant): Ignore data argument.
5711 (mark_constants): Remove pool argument.
5712 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5713 to decide whether the function uses a constant pool.
5714 (output_constant_pool_contents): New function, split out from...
5715 (output_constant_pool): ...here.
5716 (output_shared_constant_pool): New function.
5717 (init_varasm_once): Initialize shared_constant_pool.
5718 * output.h (output_constant_pool): Delete.
5719 (output_shared_constant_pool): Declare.
5720 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5721 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5723 2006-03-06 Nick Clifton <nickc@redhat.com>
5725 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5726 flag_strength_reduce.
5728 2006-03-06 Ben Elliston <bje@au.ibm.com>
5730 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5731 x86_64-*-linux* configurations.
5733 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5734 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5736 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5738 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5739 Remove.
5740 * basic-block.h: Remove the extern for
5741 rediscover_loops_after_threading.
5743 * cfgloop.c (cancel_loop): Make it static.
5744 * cfgloop.h: Remove the prototype for cancel_loop.
5746 * flow.c (recompute_reg_usage): Make it static.
5747 * rtl.h: Remove the prototype for recompute_reg_usage.
5749 * function.c (use_return_register): Make it static.
5750 * function.h: Remove the prototype.
5752 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5754 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5755 Remove.
5756 * recog.h: Remove the prototype for
5757 validate_change_maybe_volatile.
5759 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5761 * rtlanal.c (replace_reg): Remove.
5762 * rtl.h: Remove the prototype for replace_reg.
5764 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5766 * regclass.c (reg_scan_update): Remove.
5767 (reg_scan_mark_refs): Remove the last argument.
5768 * rtl.h: Remove the prototype for reg_scan_update.
5770 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5772 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5773 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5774 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5775 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5776 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5777 loop-invariant.c, omp-low.c, opts.c, passes.c,
5778 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5779 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5780 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5781 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5782 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5783 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5785 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5787 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5788 * dwarf2out.h: Remove the prototype for
5789 dwarf2out_add_library_unit_info.
5791 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5793 * tree.c (add_var_to_bind_expr): Remove.
5794 * tree.h: Remove the prototype for add_var_to_bind_expr.
5796 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5798 * regclass.c (n_non_fixed_regs): Remove.
5799 (init_reg_sets_1, globalize_reg): Remove all uses of
5800 n_non_fixed_regs.
5801 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5803 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5805 * rtlanal.c (insns_safe_to_move_p): Remove.
5806 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5808 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5810 * expmed.c (expand_mult_add): Remove.
5811 * expr.h: Remove the prototype for expand_mult_add.
5813 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5815 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5816 and REG_SAVED_VAL_EXP constants.
5817 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5818 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5819 Handle regs stored by value.
5820 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5821 (execute_cfa_program): Handle DW_CFA_val_offset,
5822 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5823 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5824 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5825 (uw_install_context_1): Handle target regs stored by value.
5827 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5829 * tree-sra.c (tree_sra): Return todoflags;
5830 (generate_one_element): Set TODO_update_smt_usage if needed.
5831 (pass_sra): Remove TODO_update_smt_usage.
5832 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5833 parameter.
5834 (tree_ssa_forward_propagate_single_use_vars): Return
5835 TODO_update_smt_usage if we need to update SMT usage.
5836 (pass_forwprop): Remove TODO_update_smt_usage.
5838 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5840 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5841 (correct_use_link): Remove reference to get_stmt_operands.
5842 (update_stmt_operands): Likewise.
5843 (get_modify_expr_operands): New function factored out of
5844 parse_ssa_operands and get_expr_operands.
5845 Try to create V_MUST_DEFs for LHS by default.
5846 (get_expr_operands) <case MODIFY_EXPR>: Call
5847 get_modify_expr_operands.
5848 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5849 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5850 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5851 get_modify_expr_operands.
5853 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5855 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5856 * tree-flow.h: Remove the prototype for
5857 referenced_var_lookup_if_exists.
5859 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5861 PR rtl-optimization/26345
5862 PR target/19061
5863 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5865 2006-03-03 Roger Sayle <roger@eyesopen.com>
5867 PR tree-optimization/26524
5868 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5869 fold_convert to create a constant of the appropriate type.
5871 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5873 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5874 SYMBOL_REF_IN_BLOCK_P.
5875 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5876 of SYMBOL_FLAG_IN_BLOCK.
5877 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5878 instead of SYMBOL_REF_IN_BLOCK_P.
5879 * explow.c (use_anchored_address): Likewise.
5880 * rtl.c (rtx_size): Likewise.
5881 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5882 instead of SYMBOL_FLAG_IN_BLOCK.
5883 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5884 SYMBOL_REF_IN_BLOCK_P.
5885 (assemble_variable): Likewise.
5886 (output_constant_def_contents): Likewise.
5887 (output_constant_pool): Likewise.
5888 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5889 instead of SYMBOL_FLAG_IN_BLOCK.
5890 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5891 SYMBOL_REF_IN_BLOCK_P.
5892 (SYMBOL_REF_BLOCK): Likewise.
5893 (SYMBOL_REF_OFFSET): Likewise.
5894 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5895 SYMBOL_REF_IN_BLOCK_P.
5896 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5897 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5898 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5899 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5901 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5903 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5905 2006-03-02 Roger Sayle <roger@eyesopen.com>
5907 * simplify-rtx.c (simplify_unary_operation): When simplifying
5908 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5909 that we perform the right shift in the appropriate mode, and
5910 then extend or truncate the result to requested mode.
5912 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5914 * gengtype.c (main): Handle double_int type.
5915 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5916 * double-int.c: New file.
5917 * double-int.h: New file.
5918 * system.h: Include doubleint.h.
5919 * Makefile.in (SYSTEM_H): Include double-int.h.
5920 (double-int.o): Add.
5922 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5924 PR bootstrap/26478
5925 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5926 copying over it.
5928 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5930 * tree-vrp.c (remove_range_assertions): Do not update statements
5931 unnecessarily.
5933 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5935 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5936 cleanup.
5937 * gcse.c (rest_of_handle_gcse): Ditto.
5938 * except.c (gate_handle_eh): Ditto.
5939 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5940 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5942 2006-03-02 Eric Christopher <echristo@apple.com>
5944 * config/i386/i386.c (machopic_output_stub): Add indirection to
5945 jump.
5947 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5949 * loop.c: Removed.
5951 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5953 Sun Niagara specific optimizations.
5954 * config.gcc: Recognize niagara as target.
5955 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5956 (TARGET_CPU_niagara): Define.
5957 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5958 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5959 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5960 (ASM_CPU_SPEC): Likewise.
5961 (PROCESSOR_NIAGARA): New enum entry.
5962 (REGISTER_MOVE_COST): Handle Niagara.
5963 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5964 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5965 (sparc_override_options): Recognize "niagara", set appropriate
5966 default MASK_* values for it, and align functions to 32-bytes
5967 by default just like ULTRASPARC/ULTRASPARC3.
5968 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5969 (sparc64_initialize_trampoline): Likewise.
5970 (sparc_use_sched_lookahead): Use zero for niagara.
5971 (sparc_issue_rate): Use one for niagara.
5972 * config/sparc/niagara.md: New file.
5973 * config/sparc/sparc.md: Include it.
5974 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5975 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5976 when default cpu is niagara.
5977 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5978 (ASM_CPU_SPEC): Likewise.
5979 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5980 when default cpu is niagara.
5981 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5982 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5983 just like v9/ultrasparc/ultrasparc3.
5984 * doc/invoke.texi: Add documentation for "niagara" and improve
5985 existing documentation for ultrasparc variants.
5987 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5989 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5991 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5993 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5994 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5995 and say that only one is needed.
5996 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5997 * target.h (have_switchable_bss_sections): New hook.
5998 * explow.c (use_anchored_address): Check that the symbol is in a block.
5999 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6000 (bss_noswitch_section): New variables.
6001 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6002 (get_noswitch_section): New function.
6003 (get_block_for_section): Allow SECT to be null.
6004 (unlikely_text_section_p): Use SECTION_STYLE.
6005 (bss_initializer_p): New function.
6006 (get_variable_section): Move earlier in file. Take a new argument,
6007 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6008 Return one of the new *_sections in such cases.
6009 (get_block_for_decl): New function, extracting some logic from
6010 use_blocks_for_decl_p.
6011 (change_symbol_section): Remove in favor of...
6012 (change_symbol_block): ...this new function.
6013 (use_blocks_for_decl_p): Remove checks now performed by
6014 get_block_for_decl.
6015 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6016 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6017 (emit_local, emit_bss, emit_common): ...these new functions.
6018 Return true if the alignment was honored.
6019 (emit_tls_common): New function.
6020 (asm_emit_uninitialised): Delete.
6021 (assemble_variable_noswitch): New function, split out from...
6022 (assemble_variable): ...here. Don't make decisions about common
6023 variables here. Globalize all public decls that go into non-common
6024 sections. Check whether SYMBOL_REF_BLOCK is null.
6025 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6026 (output_constant_pool): Likewise.
6027 (init_varasm_once): Initialize the new section variables.
6028 (have_global_bss_p): New function.
6029 (categorize_decl_for_section): Use bss_initializer_p.
6030 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6031 (place_block_symbol): Assert that the symbol must be in a block.
6032 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6033 (TARGET_INITIALIZER): Include it.
6034 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6035 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6036 (SECTION_MACH_DEP): Bump by two.
6037 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6038 (unnamed_section): Mention SECTION_UNNAMED in comment.
6039 (named_section): Likewise SECTION_NAMED.
6040 (noswitch_section_callback): New type.
6041 (noswitch_section): New structure.
6042 (section): Add a noswitch_section alternative.
6043 (SECTION_STYLE): New macro.
6044 (tls_comm_section, comm_section, lcomm_section): Declare.
6045 (bss_noswitch_section, have_global_bss_p): Declare.
6046 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6047 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6048 Override.
6049 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6050 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6051 Override.
6053 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6055 * tree-vrp.c (execute_vrp): Return value.
6056 * regrename.c (rest_of_handle_regrename): Ditto.
6057 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6058 * tree-complex.c (tree_lower_complex): Ditto.
6059 (tree_lower_complex_O0): Ditto.
6060 * tracer.c (rest_of_handle_tracer): Ditto.
6061 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6062 * postreload.c (rest_of_handle_postreload): Ditto.
6063 * tree-tailcall.c (execute_tail_recursion): Ditto.
6064 (execute_tail_calls): Ditto.
6065 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6066 * tree.h (init_function_for_compilation): Ditto.
6067 * ipa-cp.c (ipcp_driver): Ditto.
6068 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6069 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6070 * final.c (compute_alignments): Ditto.
6071 (rest_of_handle_final): Ditto.
6072 (rest_of_handle_shorten_branches): Ditto.
6073 (rest_of_clean_state): Ditto.
6074 * omp-low.c (execute_expand_omp): Ditto.
6075 (execute_lower_omp): Ditto.
6076 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6077 * ipa-reference.c (static_execute): Ditto.
6078 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6079 * reorg.c (rest_of_handle_delay_slots): Ditto.
6080 (rest_of_handle_machine_reorg): Ditto.
6081 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6082 * flow.c (recompute_reg_usage): Ditto.
6083 (rest_of_handle_remove_death_notes): Ditto.
6084 (rest_of_handle_life): Ditto.
6085 (rest_of_handle_flow2): Ditto.
6086 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6087 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6088 (do_ssa_store_ccp): Ditto.
6089 (execute_fold_all_builtins): Ditto.
6090 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6091 * modulo-sched.c (rest_of_handle_sms): Ditto.
6092 * ipa-pure-const.c (static_execute): Ditto.
6093 * cse.c (rest_of_handle_cse): Ditto.
6094 (rest_of_handle_cse2): Ditto.
6095 * web.c (rest_of_handle_web): Ditto.
6096 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6097 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6098 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6099 * tree-nrv.c (tree_nrv): Ditto.
6100 (execute_return_slot_opt): Ditto.
6101 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6102 (create_structure_vars): Ditto.
6103 * loop-init.c (rtl_loop_init): Ditto.
6104 (rtl_loop_done): Ditto.
6105 (rtl_move_loop_invariants): Ditto.
6106 (rtl_unswitch): Ditto.
6107 (rtl_unroll_and_peel_loops): Ditto.
6108 (rtl_doloop): Ditto.
6109 * gimple-low.c (lower_function_body): Ditto.
6110 (mark_used_blocks): Ditto.
6111 * tree-ssa-sink.c (execute_sink_code): Ditto.
6112 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6113 (cgraph_early_inlining): Ditto.
6114 * global.c (rest_of_handle_global_alloc): Ditto.
6115 * jump.c (cleanup_barriers): Ditto.
6116 (purge_line_number_notes): Ditto.
6117 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6118 (rest_of_handle_if_after_reload): Ditto.
6119 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6120 (tree_ssa_loop_im): Ditto.
6121 (tree_ssa_loop_unswitch): Ditto.
6122 (tree_vectorize): Ditto.
6123 (tree_linear_transform): Ditto.
6124 (tree_ssa_loop_ivcanon): Ditto.
6125 (tree_ssa_empty_loop): Ditto.
6126 (tree_ssa_loop_bounds): Ditto.
6127 (tree_complete_unroll): Ditto.
6128 (tree_ssa_loop_prefetch): Ditto.
6129 (tree_ssa_loop_ivopts): Ditto.
6130 (tree_ssa_loop_done): Ditto.
6131 * predict.c (tree_estimate_probability): Ditto.
6132 * recog.c (split_all_insns_noflow): Ditto.
6133 (rest_of_handle_peephole2): Ditto.
6134 (rest_of_handle_split_all_insns): Ditto.
6135 * tree-eh.c (lower_eh_constructs): Ditto.
6136 * regmove.c (rest_of_handle_regmove): Ditto.
6137 (rest_of_handle_stack_adjustments): Ditto.
6138 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6139 * function.c (instantiate_virtual_regs): Ditto.
6140 (init_function_for_compilation): Ditto.
6141 (rest_of_handle_check_leaf_regs): Ditto.
6142 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6143 (rest_of_handle_gcse): Ditto.
6144 * ipa-type-escape.c (type_escape_execute): Ditto.
6145 * alias.c (rest_of_handle_cfg): Ditto.
6146 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6147 * profile.c (rest_of_handle_branch_prob): Ditto.
6148 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6149 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6150 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6151 * tree-dfa.c (find_referenced_vars): Ditto.
6152 * except.c (set_nothrow_function_flags): Ditto.
6153 (convert_to_eh_region_ranges): Ditto.
6154 (rest_of_handle_eh): Ditto.
6155 * emit-rtl.c (unshare_all_rtl): Ditto.
6156 (remove_unnecessary_notes): Ditto.
6157 * except.h (set_nothrow_function_flags): Ditto.
6158 (convert_to_eh_region_ranges): Ditto.
6159 * cfgexpand.c (tree_expand_cfg): Ditto.
6160 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6161 * tree-ssa-pre.c (do_pre): Ditto.
6162 (execute_fre): Ditto.
6163 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6164 (rest_of_handle_jump2): Ditto.
6165 * tree-sra.c (tree_sra): Ditto.
6166 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6167 (execute_mudflap_function_decls): Ditto.
6168 * tree-ssa-copy.c (do_copy_prop): Ditto.
6169 (do_store_copy_prop): Ditto.
6170 * ipa-prop.h (ipcp_driver): Ditto.
6171 * cfglayout.c (insn_locators_initialize): Ditto.
6172 * tree-ssa-forwprop.c
6173 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6174 * cfglayout.h (insn_locators_initialize): Ditto.
6175 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6176 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6177 (execute_late_warn_uninitialized): Ditto.
6178 * rtl.h (cleanup_barriers): Ditto.
6179 (split_all_insns_noflow): Ditto.
6180 (purge_line_number_notes): Ditto.
6181 (unshare_all_rtl): Ditto.
6182 (remove_unnecessary_notes): Ditto.
6183 (recompute_reg_usage): Ditto.
6184 (variable_tracking_main): Ditto.
6185 * integrate.c (emit_initial_value_sets): Ditto.
6186 * integrate.h (emit_initial_value_sets): Ditto.
6187 * tree-optimize.c (execute_free_datastructures): Ditto
6188 (execute_free_cfg_annotations): Ditto.
6189 (execute_fixup_cfg): Ditto.
6190 (execute_cleanup_cfg_pre_ipa): Ditto.
6191 (execute_cleanup_cfg_post_optimizing): Ditto.
6192 (execute_init_datastructures): Ditto.
6193 * tree-object-size.c (compute_object_sizes): Ditto.
6194 * combine.c (rest_of_handle_combine): Ditto.
6195 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6196 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6197 (rest_of_handle_reorder_blocks): Ditto.
6198 (rest_of_handle_partition_blocks): Ditto.
6199 * var-tracking.c (variable_tracking_main): Ditto.
6200 * tree-profile.c (tree_profiling): Ditto.
6201 * tree-vect-generic.c (expand_vector_operations): Ditto.
6202 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6203 * sched-rgn.c (rest_of_handle_sched): Ditto.
6204 (rest_of_handle_sched2): Ditto.
6205 * basic-block.h (free_bb_insn): Ditto.
6206 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6207 * tree-cfg.c (execute_build_cfg): Ditto.
6208 (remove_useless_stmts): Ditto.
6209 (split_critical_edges): Ditto.
6210 (execute_warn_function_return): Ditto.
6211 (execute_warn_function_noreturn): Ditto.
6212 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6213 * cfgrtl.c (free_bb_for_insn): Ditto.
6214 * passes.c (execute_one_pass): Run additional
6215 todos returned by execute function.
6216 * tree-pass.h (struct tree_opt_pass): Make execute
6217 return a value.
6219 2006-03-02 Richard Guenther <rguenther@suse.de>
6221 * tree-ssa-alias.c (find_used_portions): Consider taking
6222 the address as making the variable not write-only.
6224 2006-03-02 Nick Clifton <nickc@redhat.com>
6226 * config.gcc (default_use_cxa_atexit): Extend the description of
6227 this configure variable. Set its default value to "yes" for
6228 Linux, NetBSD and ELF targets on the assumption that they will
6229 use C libraries with the __cxa_atexit function.
6231 2006-03-02 Ben Elliston <bje@au.ibm.com>
6233 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6234 parameter as unused to suppress a build warning.
6236 2006-03-02 Ben Elliston <bje@au.ibm.com>
6238 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6239 config/dfp-bit.c.
6241 2006-03-01 Roger Sayle <roger@eyesopen.com>
6243 PR other/26489
6244 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6245 declared name, the weak reference name, and the typeof name.
6246 (__gthrw): Avoid expanding the declared name suffix.
6247 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6249 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6251 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6252 from DWARF 3.
6253 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6254 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6255 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6256 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6257 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6258 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6259 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6260 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6261 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6262 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6263 (DW_END_default, DW_END_big, DW_END_little): New.
6264 (DW_END_lo_user, DW_END_hi_user): Define.
6265 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6266 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6267 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6268 DW_LANG_D): New.
6270 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6272 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6273 Update all users.
6274 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6275 Update all users.
6276 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6277 Update all users.
6278 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6279 Update all users.
6280 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6281 to 'symbol_mem_tag'.
6282 Update all users.
6283 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6284 rename.
6286 2006-03-01 Roger Sayle <roger@eyesopen.com>
6288 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6290 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6292 PR target/25761
6293 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6294 MACHO_DYNAMIC_NO_PIC_P.
6295 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6297 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6299 PR target/26389
6300 * config/darwin-protos.h (darwin_asm_output_anchor):
6301 Declare.
6302 * config/darwin-sections.def (cstring_section):
6303 Add SECTION_MERGE to the flags.
6304 (literal4_section): Likewise.
6305 (literal8_section): Likewise.
6306 (objc_selector_refs_section): Likewise.
6307 (objc_cls_refs_section): Likewise.
6308 * config/darwin.c (darwin_asm_output_anchor): New
6309 function.
6310 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6312 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6314 Fix PR tree-optimization/26443
6315 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6316 to todo and PROP_tmt_usage to properties_destroyed.
6317 * tree-ssa-ccp.c (pass_ccp): Ditto.
6318 (pass_store_ccp): Ditto.
6319 * tree-ssa-dom.c (pass_dominator): Ditto.
6321 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6323 * tree-ssa-operands.c: Cleanup whitespace.
6324 (get_asm_expr_operands): Move before first invocation.
6325 (get_indirect_ref_operands): Likewise.
6326 (get_tmr_operands): Likewise.
6327 (get_call_expr_operands): Likewise.
6328 (append_def): Likewise.
6329 (append_use): Likewise.
6330 (append_v_may_def): Likewise.
6331 (append_v_must_def): Likewise.
6332 (add_call_clobber_ops): Likewise.
6333 (add_call_read_ops): Likewise.
6334 (add_stmt_operand): Likewise.
6335 (add_virtual_operand): Likewise.
6336 (build_ssa_operands): Likewise.
6338 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6340 PR middle-end/26022
6341 Revert:
6342 PR middle-end/24437
6343 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6344 with a call expr to ...
6345 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6347 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6349 * tree-vrp.c (extract_range_from_assert): Remove special
6350 handling for types with super-types.
6352 2006-03-01 Ben Elliston <bje@au.ibm.com>
6354 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6355 and powerpc64-*-linux* configurations.
6356 * config/t-dfprules: New file.
6358 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
6359 Compile dfp-bit.c from the source directory using -DWIDTH and
6360 $DFP_CFLAGS to control the compilation of that file, rather than
6361 generating width-specific versions in the build directory.
6362 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
6363 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
6365 2006-02-28 Zack Weinberg <zackw@panix.com>
6367 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
6368 continues to work.
6370 2006-02-28 Eric Christopher <echristo@apple.com>
6372 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
6373 Set up IN_LIBGCC definition of TARGET_64BIT.
6374 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
6376 2006-02-28 Roger Sayle <roger@eyesopen.com>
6378 PR middle-end/14752
6379 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
6380 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
6381 cases via the construction of "expr != 0".
6383 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
6385 * alias.c (alias_invariant, alias_invariant_size): Remove.
6386 (record_base_value): Remove.
6387 (memrefs_conflict_p): Don't look at alias_invariant.
6388 (end_alias_analysis): Don't free it.
6389 * alias.h (record_base_value): Remove prototype.
6391 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
6392 Adam Nemet <anemet@caviumnetworks.com>
6394 * rtl.h (truncated_to_mode): Declare it.
6395 (struct rtl_hooks): Add reg_truncated_to_mode hook.
6396 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
6397 (RTL_HOOKS_INITIALIZER): Include it.
6398 * rtlhooks.c (reg_truncated_to_mode_general): New function.
6399 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
6400 reg_truncated_to_mode.
6401 * rtlanal.c (truncated_to_mode): Define it.
6402 * simplify-rtx.c (simplify_unary_operation_1): Use it.
6404 2006-02-28 Jeff Law <law@redhat.com>
6406 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
6407 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
6408 the range allowed by TYPE_PRECISION.
6410 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
6412 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
6414 PR tree-optimization/26419
6415 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
6416 values of n.
6418 2006-02-27 Zack Weinberg <zackw@panix.com>
6420 * doc/md.texi: Fix typo in previous change.
6422 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6424 * df.c: Remove.
6426 2006-02-27 Zack Weinberg <zackw@panix.com>
6428 * rtl.def (define_constraint, define_register_constraint)
6429 (define_memory_constraint, define_address_constraint): New MD forms.
6430 * gensupport.c (process_rtx): Put define_constraint etc on the
6431 predicate queue.
6432 * genpreds.c (process_define_predicate): Adjust comment. Validate
6433 the name, and call validate_exp to validate the expression.
6434 (mark_mode_tests, write_extract_subexp): Can assume correct input.
6435 (write_predicate_expr): Likewise. NAME argument no longer necessary;
6436 all callers changed.
6437 (validate_exp, needs_variable, struct constraint_data)
6438 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
6439 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
6440 (const_dbl_constraints, constraint_max_namelen)
6441 (have_register_constraints, have_memory_constraints)
6442 (have_address_constraints, have_address_constraints)
6443 (have_extra_constraints, have_const_int_constraints)
6444 (have_const_dbl_constraints, mangle, add_constraint)
6445 (process_define_constraint, process_define_register_constraint)
6446 (write_enum_constraint_num, write_lookup_constraint)
6447 (write_insn_constraint_len, write_regclass_for_constraint)
6448 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
6449 (write_insn_extra_memory_constraint)
6450 (write_insn_extra_address_constraint)
6451 (write_satisfies_constraint_fns): New.
6452 (write_tm_preds_h): If we have new-style constraint definitions,
6453 prototype the functions generated from them, and define the
6454 old constraint interface (still used by generic code) in terms of
6455 those functions.
6456 (write_insn_preds_c): If we have new-style constraint definitions,
6457 generate all relevant functions from those definitions.
6458 (main): Handle define_constraint etc.
6459 * genoutput.c (struct constraint_data, indep_constraints)
6460 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
6461 (mdep_constraint_len): New data structures and functions, defined
6462 #ifdef USE_MD_CONSTRAINTS.
6463 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
6464 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
6465 use new logic to validate operand constraints against constraint
6466 definitions.
6467 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
6468 defined.
6469 * defaults.h: If none of the old-style constraint macros are
6470 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
6471 old-style macros; and poison REG_CLASS_FROM_LETTER,
6472 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
6473 EXTRA_CONSTRAINT.
6474 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
6475 * doc/md.texi: Document new constraint-definition mechanism and the
6476 C interface it provides. Remove references to old mechanism
6477 elsewhere in the document.
6478 (Machine Constraints): Use pathnames relative to gcc directory,
6479 i.e. config/ARCH/FILE. Change i386 section to refer to
6480 config/i386/predicates.md; update that section to match docstrings.
6481 * doc/tm.texi: Move all documentation of the old constraint-
6482 definition macros to their own section, clearly mark as obsolete.
6484 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
6485 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
6486 definitions.
6487 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
6488 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6489 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
6490 constraint strings.
6491 (splits and peepholes): Use satisfies_constraint_*.
6492 * config/i386/i386.c (memory_address_length)
6493 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
6495 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6497 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
6498 scalar operation to be put back into the loop.
6500 2006-02-27 Jakub Jelinek <jakub@redhat.com>
6502 PR other/26208
6503 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
6504 (extract_cie_info): Handle S flag in augmentation string.
6505 (execute_cfa_program): If context->signal_frame, execute also
6506 fs->pc == context->ra instructions.
6507 (uw_frame_state_for): If context->signal_frame, don't subtract one
6508 from context->ra to find FDE.
6509 (uw_update_context_1): Set context->signal_frame to
6510 fs->signal_frame.
6511 (_Unwind_GetIPInfo): New function.
6512 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
6513 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
6514 of _Unwind_GetIP.
6515 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
6516 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
6517 * unwind-compat.c (_Unwind_GetIPInfo): New function.
6518 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
6519 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
6520 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
6521 * config/i386/linux-unwind.h (x86_fallback_frame_state,
6522 x86_64_fallback_frame_state): Set fs->signal_frame.
6523 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
6524 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
6525 (frob_update_context): Likewise. Workaround missing S flag in
6526 Linux 2.6.12 - 2.6.16 kernel vDSOs.
6527 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
6528 Remove the psw_addr + 1 hack.
6530 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6532 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
6533 with aggregates here.
6534 (find_func_aliases): Remove code for &<aggregate> from here.
6536 2006-02-26 Roger Sayle <roger@eyesopen.com>
6538 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
6539 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
6540 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
6541 as (X & C) ne/eq 0.
6543 2006-02-26 Roger Sayle <roger@eyesopen.com>
6545 PR middle-end/19983
6546 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
6548 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
6550 * opts.c (decode_options): Do not handle flag_strength_reduce.
6551 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
6552 and OPT_fstrength_reduce.
6553 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
6554 flag_prefetch_loop_arrays for being nonzero.
6555 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
6556 no-ops.
6557 (fprefetch-loop-arrays-rtl): Removed.
6558 (flag_prefetch_loop_arrays): Do not specify the value.
6560 * doc/passes.texi: Update documentation of loop optimizer
6561 passes.
6562 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
6563 -frerun-loop-opt): Remove.
6565 2006-02-26 Richard Guenther <rguenther@suse.de>
6567 PR tree-optimization/26421
6568 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
6569 in function calls that are ADDR_EXPRs as using the whole structure.
6571 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
6573 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
6574 * tree-pass.h (pass_loop_optimize): Remove.
6575 * passes.c (pass_loop_optimize): Never run it.
6576 * toplev.c (backend_init): Don't call init_loop.
6577 * opts.c (flag_loop_optimize_set): Remove.
6578 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
6579 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
6580 the old RTL loop optimizer when profiling enabled.
6581 * predict.c (tree_estimate_probability): Always strip builtin_expect.
6582 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6583 pre-headers for the sake of the old RTL loop optimizer.
6584 * Makefile.in: Remove all references to loop.o.
6586 * doc/invoke.texi: Remove all references to -floop-optimize
6587 and -frerun-loop-opt.
6589 2006-02-26 Zack Weinberg <zackw@panix.com>
6591 * doc/md.texi (Machine Constraints): Refer to all files with paths
6592 relative to gcc directory (i.e. config/CPU/file). Add missing
6593 @table @code ... @end table to M32C subsection.
6595 2006-02-26 Roger Sayle <roger@eyesopen.com>
6597 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6598 (X & 1) == 0.
6599 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6601 2006-02-26 Roger Sayle <roger@eyesopen.com>
6602 James A. Morrison <phython@gcc.gnu.org>
6604 PR middle-end/21137
6605 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6606 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
6607 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
6608 signedness of the shift operation.
6610 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
6612 PR tree-optimization/26359
6613 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
6615 2006-02-25 Roger Sayle <roger@eyesopen.com>
6617 * simplify-rtx.c (simplify_relational_operation_1): Simplify
6618 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
6619 as X == 0, and some symmetry related transformations.
6620 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
6622 2006-02-25 Roger Sayle <roger@eyesopen.com>
6624 PR middle-end/23673
6625 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
6626 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
6627 symmetry related transformations. Fold (X^C1) == C2 as
6628 X == (C1^C2).
6630 2006-02-25 Juergen Weigert <jw@suse.de>
6631 Richard Guenther <rguenther@suse.de>
6633 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6635 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
6637 * combine.c (gen_lowpart_or_truncate): Call
6638 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6640 2006-02-24 Diego Novillo <dnovillo@redhat.com>
6642 * doc/invoke.texi: Move -fopenmp description to "Options for
6643 Code Generation".
6644 Remove reference to -lgomp.
6646 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6648 * doc/install.texi: Require GNU tar version 1.14.
6650 2006-02-24 Geoffrey Keating <geoffk@apple.com>
6652 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
6653 * doc/invoke.texi (C++ Dialect Options): Document
6654 -fno-use-cxa-get-exception-ptr.
6655 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
6656 * configure: Regenerate.
6657 * c.opt (fuse-cxa-get-exception-ptr): New.
6658 * c-opts.c (c_common_handle_option): Handle
6659 OPT_fuse_cxa_get_exception_ptr.
6660 * c-common.c (flag_use_cxa_atexit): Update documentation.
6661 (flag_use_cxa_get_exception_ptr): New.
6662 * c-common.h (flag_use_cxa_get_exception_ptr): New.
6663 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
6664 documentation.
6665 (C_COMMON_OVERRIDE_OPTIONS): New.
6667 2006-02-24 Roger Sayle <roger@eyesopen.com>
6669 PR middle-end/24952
6670 * combine.c (try_combine): Explicitly check whether GET_CODE is
6671 a SET or a CLOBBER, instead on checking that it isn't a USE.
6673 2006-02-24 Roger Sayle <roger@eyesopen.com>
6675 * fold-const.c (fold_comparison): New subroutine of fold_binary
6676 containing transformations common to both the equality and
6677 ordering relational operators, factored out of fold_binary.
6678 (fold_binary): Separate out the equality operators (EQ_EXPR
6679 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
6680 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
6681 transformations common to both.
6682 (fold_div_compare): Fix latent bugs in the previously unreachable
6683 LT_EXPR and GE_EXPR cases.
6685 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6687 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
6688 decl libname for clog to __clog on AIX.
6690 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
6692 2006-02-24 Alan Modra <amodra@bigpond.net.au>
6694 PR target/26453
6695 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6696 output traceback table for thunks. Localise rs6000_stack_info call.
6698 2006-02-23 Roger Sayle <roger@eyesopen.com>
6699 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6701 * gthr-posix.h (__gthrw): Fix typo in comment.
6703 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6705 * doc/cpp.texi (Character sets): Document that we do support
6706 input files to be in any character set.
6708 2006-02-23 Jeff Law <law@redhat.com>
6710 * tree.h (PHI_ARG_NONZERO): Remove.
6711 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6712 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6713 node to the new node.
6715 PR tree-optimization/26425
6716 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6717 min/max, then assume its varying.
6719 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6721 PR rtl-optimization/26316
6722 * rtlanal.c (enum may_trap_p_flags): New.
6723 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6724 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6725 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6726 (may_trap_after_code_motion_p): New function.
6727 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6728 (find_invariant_insn): Use may_trap_after_code_motion_p.
6729 * rtl.h (may_trap_after_code_motion_p): Declare.
6731 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6733 * emit-rtl.c (immed_double_const): Cleanup.
6735 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6737 Fix PR tree-optimization/26376
6738 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6739 remove assert.
6741 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6743 PR middle-end/26412
6744 * gimplify.c (omp_add_variable): Guard variable size decl test with
6745 DECL_SIZE (decl) check.
6747 2006-02-23 Richard Guenther <rguenther@suse.de>
6749 PR middle-end/26439
6750 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6751 like aggregate types.
6753 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6755 * configure.ac: Add --with{,out}-long-double-128 configure option.
6756 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6757 * configure: Rebuilt.
6758 * config.in: Rebuilt.
6759 * doc/install.texi (Options specification): Document
6760 --with-long-double-128.
6762 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6763 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6764 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6765 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6767 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6769 * config/s390/s390.c (override_options): Handle
6770 TARGET_DEFAULT_LONG_DOUBLE_128.
6772 * config/alpha/alpha.c (override_options): Handle
6773 TARGET_DEFAULT_LONG_DOUBLE_128.
6775 * config/sparc/sparc.c (sparc_override_options): Handle
6776 TARGET_DEFAULT_LONG_DOUBLE_128.
6778 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6780 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6781 (real-install-headers-tar, real-install-headers-cpio)
6782 (real-install-headers-cp): New targets.
6784 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6786 * tree.h (variable_section): Delete.
6787 * varasm.c (variable_section): Delete.
6789 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6791 * install.texi: Add notes on install.texi2html.
6792 (Building in parallel): Do not use footnotes.
6794 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6796 PR libgomp/26234
6797 * doc/install.texi (Configuration): Document --disable-libgomp.
6799 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6801 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6803 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6805 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6806 (vec_extractv2df_0_sse): New.
6808 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6810 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6811 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6812 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6813 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6814 to the result of the expression.
6815 (def_cfa_1): Adjust.
6816 (frame_pointer_cfa_offset): Rename to...
6817 (frame_pointer_fb_offset): ... this. Adjust all uses.
6818 (convert_cfa_to_loc_list): Rename to...
6819 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6820 Pass it on to build_cfa_loc.
6821 (compute_frame_pointer_to_cfa_displacement): Rename to...
6822 (compute_frame_pointer_to_fb_displacement): ... this. New
6823 offset parameter. Use it in computation.
6824 (gen_subprogram_die): Compute cfa_fb_offset with the new
6825 macro, and use it to compute the fb loc list and the
6826 displacement.
6828 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6830 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6831 replaced with register_operand.
6832 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6833 non-DREG is expensive.
6834 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6835 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6836 involving memory.
6838 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6840 * doc/install.texi2html: Use set -e.
6842 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6844 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6845 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6846 * doc/invoke.texi (-fshared-data): Delete.
6847 * common.opt (fshared-data): Delete.
6848 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6849 (assemble_static_space): Remove #if 0 code.
6850 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6851 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6852 * config/cris/cris.h: Remove FIXME.
6854 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6856 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6857 hooks.
6859 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6861 PR middle-end/26379
6862 * combine.c (simplify_shift_const_1): Disable nested shifts
6863 optimization for vector shifts.
6865 2006-02-20 Roger Sayle <roger@eyesopen.com>
6867 PR tree-optimization/26361
6868 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6869 of unsigned integer types.
6871 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6873 * tree-chrec.c (eq_evolutions_p): New.
6874 * tree-chrec.h (eq_evolutions_p): Declared.
6875 * tree-data-ref.c: Fix formatting.
6876 (datadep_stats, dependence_stats): New.
6877 (gcd): Moved...
6878 (print_direction_vector): New.
6879 (dump_data_dependence_relation): Use print_direction_vector.
6880 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6881 (compute_subscript_distance): Static.
6882 (initialize_data_dependence_relation): Static. Get the number
6883 of loops surrounding the references from the callers, and initialize
6884 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6885 base_object_differ_p analyzers.
6886 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6887 compute_overlap_steps_for_affine_1_2,
6888 analyze_subscript_affine_affine): Count the classified dependences.
6889 Print a message when a test failed.
6890 (can_use_analyze_subscript_affine_affine): New.
6891 (analyze_siv_subscript): Compute the data dependences on symbolic
6892 scevs that verify can_use_analyze_subscript_affine_affine.
6893 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6894 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6895 Handle symbolic scevs.
6896 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6897 analyzed.
6898 (subscript_dependence_tester): Moved...
6899 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6900 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6901 DDR_SIZE_VECT instead of getting it in parameter.
6902 (subscript_dependence_tester): ... here. Take as a parameter
6903 loop_nest_depth. Call build_classic_dist_vector and
6904 build_classic_dir_vector.
6905 (compute_affine_dependence): Update subscript_dependence_tester
6906 parameters. Update datadep_stats counters. Call
6907 compute_subscript_distance.
6908 (compute_self_dependence): Save the dist and dir vectors. Call
6909 compute_subscript_distance.
6910 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6911 (compute_all_dependences): Reorder parameters as they were before
6912 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6913 compute_subscript_distance. Update the use of
6914 compute_affine_dependence and initialize_data_dependence_relation.
6915 (find_data_references_in_loop): Handle COMPONENT_REF.
6916 (compute_data_dependences_for_loop): Initialize dependence_stats.
6917 Don't call build_classic_dist_vector and build_classic_dir_vector.
6918 Update the parameters of initialize_data_dependence_relation and
6919 compute_all_dependences. Print the statistics from datadep_stats.
6920 (analyze_all_data_dependences): Static. Not used until the pass for
6921 checking the data dependences is contributed.
6922 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6923 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6924 (initialize_data_dependence_relation, compute_affine_dependence,
6925 analyze_all_data_dependences, compute_subscript_distance): Removed.
6926 (print_direction_vector): New.
6927 * lambda.h (gcd): ... here.
6928 (lambda_vector_gcd): Moved here from gcd_vector.
6929 * lambda-code.c (gcd, gcd_vector): Removed.
6930 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6931 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6933 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6935 * ipa-type-escape.c: Tidy some comments and white space.
6936 * tree-ssa-operands.c: Likewise.
6938 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6940 PR tree-opt/25879
6941 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6942 (dump_decl_name): Do not walk the decl tree chains.
6943 * tree-pass.h (TDF_CHAIN): Remove.
6945 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6947 * Makefile.in (C): Remove
6948 (PROTO): Remove
6949 (.PHONY): Remove C and PROTO
6951 2006-02-20 Roger Sayle <roger@eyesopen.com>
6953 PR middle-end/26236
6954 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6955 deprecated CHAR_TYPE tree code.
6957 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6959 * configure.ac (target_list): Add install-info, dvi, html.
6960 * configure: Regenerate.
6962 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6963 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6964 treelang/Make-lang.in: Do not use double-colon rules.
6966 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6968 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6969 (TMT_USED_ALONE): New macro.
6970 * tree-pass.h (PROP_tmt_usage): New property.
6971 (TODO_update_tmt_usage): New todo.
6972 * tree-ssa-alias.c (updating_used_alone): New variable.
6973 (recalculate_used_alone): New function.
6974 (compute_may_aliases): Set updating_used_alone, call
6975 recalculate_used_alone.
6976 * tree-sra.c (pass_sra): Note that this pass destroys
6977 PROP_tmt_usage, and add TODO_update_tmt_usage.
6978 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6979 * tree-flow.h (updating_used_alone): Prototype.
6980 (recalculate_used_alone): Ditto.
6981 * passes.c (execute_todo): Add code to set updating_used_alone,
6982 and call recalculate.
6983 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6984 for clobber if used alone, and add assert to verify used_alone
6985 status.
6987 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6989 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6990 for non tls symbols added.
6991 (legitimize_address): Do nothing for PLUS expressions if one of the
6992 addends is a tls symbol reference.
6994 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6996 PR bootstrap/25476
6998 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7000 * Makefile.in (BOOTSTRAPPING): New.
7001 (quickstrap): New definition if BOOTSTRAPPING=yes.
7003 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7004 * configure.ac: Substitute all_selected_languages with the languages
7005 that were configured. For all the other variables except
7006 lang_specs_files, include all the languages in the tree.
7007 * configure: Regenerate.
7009 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7010 if there is one. Run the commands to run fixincludes in the same
7011 subshell.
7013 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7014 * doc/install.texi: Document exact conventions for searching target tools.
7015 Document --with-build-time-tools. Document toplevel bootstrap. Document
7016 something more about building an Ada cross-compiler. Don't list GNU Make
7017 requirements which affect all platforms.
7019 2006-02-19 Roger Sayle <roger@eyesopen.com>
7021 PR middle-end/19543
7022 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7023 only equivalent if the have both the same mode and precision.
7025 2006-02-20 Ben Elliston <bje@au.ibm.com>
7027 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7029 2006-02-19 Roger Sayle <roger@eyesopen.com>
7030 Steven Bosscher <stevenb.gcc@gmail.com>
7032 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7033 constant pool references to identify stack mode constants.
7034 * rtlanal.c (constant_pool_constant_p): New predicate to check
7035 whether operand is a floating point constant in the pool.
7036 * rtl.h (constant_pool_constant_p): Prototype here.
7037 * loop.c (scan_loop): Avoid hoisting constants from the constant
7038 pool on STACK_REGS targets.
7039 (load_mems): Likewise.
7040 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7041 loads into x87 registers expensive in terms of register pressure.
7043 2006-02-19 Roger Sayle <roger@eyesopen.com>
7045 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7046 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7048 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7050 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7051 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7053 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7055 * doc/invoke.texi: Document -fipa-pta.
7056 * common.opt: Add ipa-pta option.
7057 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7058 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7059 (do_ds_constraint): Ditto.
7060 (get_constraint_for): Only add to referenced_vars if
7061 referenced_vars exists.
7062 (insert_into_field_list): Rewrite to do this unsorted.
7063 (insert_into_field_list_sorted): Rename old insert_into_field_list
7064 to this.
7065 (create_function_info_for): Use insert_into_field_list_sorted.
7066 (create_variable_info_for): Rewrite so it uses unsorted version,
7067 since the field list is sorted.
7068 (intra_create_variable_infos): Only add to referenced_vars if
7069 referenced_vars exists.
7070 (ipa_pta_execute): Init heapvars, and delete when done.
7071 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7073 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7075 * doc/install.texi: Add missing `@samp'.
7077 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7079 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7080 Use the arguments.
7082 2006-02-18 Mark Wielaard <mark@klomp.org>
7084 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7085 who added new 4.1 features, bug fixes and integration support.
7087 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7089 PR target/26350
7090 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7091 MEM for ABI_V4 pic.
7093 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7095 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7096 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7097 (copy_insn_1): Likewise. Don't copy each field individually.
7098 Reindent.
7099 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7100 of RTX_SIZE.
7101 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7102 * rtl.c (rtx_size): Rename variable to...
7103 (rtx_code_size): ...this.
7104 (rtx_size): New function.
7105 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7106 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7107 Reindent.
7108 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7109 * rtl.h (rtx_code_size): New variable.
7110 (rtx_size): Change from a variable to a function.
7111 (RTX_SIZE): Rename to...
7112 (RTX_CODE_SIZE): ...this.
7114 PR target/9703
7115 PR tree-optimization/17106
7116 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7117 (Anchored Addresses): New section.
7118 * doc/invoke.texi (-fsection-anchors): Document.
7119 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7120 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7121 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7122 * hooks.c (hook_bool_mode_rtx_false): New function.
7123 * hooks.h (hook_bool_mode_rtx_false): Declare.
7124 * gengtype.c (create_optional_field): New function.
7125 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7126 SYMBOL_REF_IN_BLOCK_P is true.
7127 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7128 (min_anchor_offset, max_anchor_offset): Likewise.
7129 (use_anchors_for_symbol_p): New hook.
7130 * toplev.c (compile_file): Call output_object_blocks.
7131 (target_supports_section_anchors_p): New function.
7132 (process_options): Check that -fsection-anchors is only used on
7133 targets that support it and when -funit-at-a-time is in effect.
7134 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7135 if the decl doesn't have one.
7136 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7137 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7138 of force_const_mem through use_anchored_address.
7139 (expand_expr_constant): New function.
7140 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7141 calling expand_expr for INDIRECT_REF.
7142 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7143 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7144 * expr.h (use_anchored_address): Declare.
7145 * loop-unroll.c: Don't declare rtx vectors here.
7146 * explow.c: Include output.h.
7147 (validize_mem): Call use_anchored_address.
7148 (use_anchored_address): New function.
7149 * common.opt (-fsection-anchors): New switch.
7150 * varasm.c (object_block_htab, anchor_labelno): New variables.
7151 (hash_section, object_block_entry_eq, object_block_entry_hash)
7152 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7153 (use_blocks_for_decl_p, change_symbol_section): New functions.
7154 (get_variable_section): New function, split out from assemble_variable.
7155 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7156 use_blocks_for_decl_p say so. Use change_symbol_section if the
7157 symbol has already been created.
7158 (assemble_variable_contents): New function, split out from...
7159 (assemble_variable): ...here. Don't output any code for
7160 block symbols; just pass them to place_block_symbol.
7161 Use get_variable_section and assemble_variable_contents.
7162 (get_constant_alignment, get_constant_section, get_constant_size): New
7163 functions, split from output_constant_def_contents.
7164 (build_constant_desc): Create a block symbol if use_object_blocks_p
7165 says so. Or into SYMBOL_REF_FLAGS.
7166 (assemble_constant_contents): New function, split from...
7167 (output_constant_def_contents): ...here. Don't output any code
7168 for block symbols; just pass them to place_section_symbol.
7169 Use get_constant_section and get_constant_alignment.
7170 (force_const_mem): Create a block symbol if use_object_blocks_p and
7171 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7172 (output_constant_pool_1): Add an explicit alignment argument.
7173 Don't switch sections here.
7174 (output_constant_pool): Adjust call to output_constant_pool_1.
7175 Switch sections here instead. Don't output anything for block symbols;
7176 just pass them to place_block_symbol.
7177 (init_varasm_once): Initialize object_block_htab.
7178 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7179 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7180 (place_block_symbol, get_section_anchor, output_object_block)
7181 (output_object_block_htab, output_object_blocks): New functions.
7182 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7183 (TARGET_ASM_OUT): Include it.
7184 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7185 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7186 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7187 (TARGET_INITIALIZER): Include them.
7188 * rtl.c (rtl_check_failed_block_symbol): New function.
7189 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7190 (block_symbol, object_block): New structures.
7191 (rtx_def): Add a block_symbol field to the union.
7192 (BLOCK_SYMBOL_CHECK): New macro.
7193 (rtl_check_failed_block_symbol): Declare.
7194 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7195 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7196 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7197 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7198 * output.h (output_section_symbols): Declare.
7199 (object_block): Name structure.
7200 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7201 (default_use_anchors_for_symbol_p): Declare.
7202 * Makefile.in (RTL_BASE_H): Add vec.h.
7203 (explow.o): Depend on output.h.
7204 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7205 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7206 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7207 (rs6000_use_blocks_for_constant_p): New function.
7209 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7211 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7213 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7215 PR tree-opt/25680
7216 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7217 IMAGPART_EXPR.
7219 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7221 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7222 is_aliased.
7223 Update all users.
7225 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7227 PR middle-end/26334
7228 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7229 instead of DECL_REGISTER.
7231 2006-02-18 Olivier Hainque <hainque@adacore.com>
7233 PR ada/13408
7234 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7236 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7238 PR target/24837
7239 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7240 * opth-gen.awk: Handle Var and InverseMask together.
7241 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7242 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7243 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7244 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7245 used together.
7246 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7247 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7248 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7249 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7250 LINUX_DYNAMIC_LINKER): Define.
7251 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7252 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7253 TARGET_GLIBC.
7254 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7255 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7256 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7257 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7258 (TARGET_C99_FUNCTIONS): Don't define.
7259 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7260 GLIBC_DYNAMIC_LINKER.
7261 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7262 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7263 GLIBC_DYNAMIC_LINKER64): Define.
7264 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7265 LINUX_DYNAMIC_LINKER64.
7266 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7267 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7268 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7269 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7270 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7271 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7272 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7273 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7274 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7275 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7276 and LINUX_DYNAMIC_LINKER32.
7277 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7278 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7279 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7280 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7281 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7282 TARGET_GLIBC.
7283 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7284 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7285 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7286 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7287 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7288 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7289 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7290 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7291 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7292 LINUX_DYNAMIC_LINKER): Define.
7293 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7294 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7295 GLIBC_DYNAMIC_LINKER64): Define.
7296 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7297 LINUX_DYNAMIC_LINKER64.
7298 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7299 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7300 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7301 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7302 LINUX_DYNAMIC_LINKER): Define.
7303 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7304 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7305 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7306 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7307 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7308 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7309 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7310 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7311 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7312 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7313 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7314 * doc/invoke.texi (-muclibc): Remove caveat about supported
7315 targets.
7317 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7319 * doc/cpp.texi (__TIMESTAMP__): Document.
7321 2006-02-17 Roger Sayle <roger@eyesopen.com>
7323 PR middle-end/25600
7324 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7325 C is one less than the width of X (and related transformations).
7326 * simplify-rtx.c (simplify_unary_operation_1): Transform
7327 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7328 depending on STORE_FLAG_VALUE, were C is one less then the
7329 width of X.
7331 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7333 Fix PR tree-optimization/26341
7334 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7335 about NAME_MEMORY_TAG's.
7337 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7339 PR target/26255
7340 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7341 with hardware float support, and software float support. Add fcpy
7342 alternative to hardware patterns. Add alternatives to copy between
7343 general and floating-point registers to the 32-bit pattern.
7344 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7345 secondary reload to load a QI or HI mode constant into a floating
7346 point register.
7347 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7348 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7350 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7352 PR target/26272
7353 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7354 pc to the pattern.
7355 (load_macho_picbase_di): Likewise.
7357 2006-02-16 Jeff Law <law@redhat.com>
7359 * tree-vrp.c (set_value_range_to_nonnegative): New function.
7360 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
7361 (ssa_name_nonzero_p): Likewise.
7362 (get_value_range): Return NULL if VRP is not running.
7363 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
7364 VRP routines do not discover a range.
7365 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
7366 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
7367 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
7368 (tree_expr_nonnegative_p): Similarly.
7369 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
7370 (restore_nonzero_vars_to_original_value): Remove.
7371 (unsafe_associative_fp_binop): Remove.
7372 (tree_ssa_dominator_optimize): Remove initialization and
7373 finalization of nonzero_vars and nonzero_vars_stack.
7374 (dom_opt_initialize_block): No longer push marker on
7375 nonzero_vars_stack.
7376 (dom_opt_finalize_block): No longer call
7377 restore_nonzero_vars_to_original_value.
7378 (record_equivalences_from_phis): No longer look for
7379 nonzero PHI arguments.
7380 (cprop_into_successor_phis): No longer propagate nonzero
7381 property into PHI arguments. Lose unused argument. Caller
7382 updated.
7383 (record_equivalences_from_stmt): No longer record nonzero
7384 values for SSA_NAMEs.
7385 (lookup_avail_expr): No longer use nonzero_vars.
7387 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
7388 for sizetype when sizetype is unsigned.
7390 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
7392 PR rtl-optimization/25603
7393 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
7394 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
7395 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
7396 with new meaning of SETS.
7398 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
7400 PR target/20353
7401 PR target/24578
7402 PR target/24837
7403 * config/linux.opt: New file.
7404 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
7405 LINUX_DYNAMIC_LINKER): Define.
7406 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
7407 * config.gcc (*-*-linux*): Define extra_options.
7408 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
7409 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
7410 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
7411 GLIBC_DYNAMIC_LINKER.
7412 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
7413 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7414 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7415 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7416 * doc/invoke.texi (GNU/Linux Options): New section.
7418 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7420 * config/sparc/sparc.md (setjmp): Rewrite.
7421 (setjmp_32): Delete.
7422 (setjmp_64): Likewise.
7424 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
7426 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
7427 previous change.
7429 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7431 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
7432 read-write uses.
7434 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7436 PR rtl-optimization/26296
7437 * Makefile.in (loop-invariant.c): Add except.h dependency.
7438 * loop-invariant.c: Include except.h.
7439 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
7441 2005-02-16 Paul Brook <paul@codesourcery.com>
7443 * reload1.c (emit_reload_insns): Invalidate dead input registers used
7444 for reloads.
7446 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
7448 PR rtl-optimization/25636
7449 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
7450 when deciding whether an insn is an initializing insn.
7452 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
7454 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
7455 (tree_code_size): Ditto.
7456 * tree.h (struct tree_memory_tag): Remove parent_var.
7457 (struct tree_struct_field_tag): New.
7458 (SFT_OFFSET): New.
7459 (SFT_SIZE): New.
7460 (union tree_node): Add sft member.
7461 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
7462 specially here.
7463 (create_sft): Add size and offset argument, set SFT_OFFSET and
7464 SFT_SIZE.
7465 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
7466 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
7467 * tree-flow-inline.h (get_subvar_at): Update for
7468 SFT_OFFSET/SFT_SIZE.
7469 (var_can_have_subvars): Ditto.
7470 (overlap_subvar): Ditto.
7471 * print-tree.c (print_node): Print out interesting things for
7472 SFT's.
7473 * tree-flow.h (struct subvar): Remove offset and size members.
7474 * tree-ssa-operands.c (get_expr_operands): Update for
7475 get_indirect_ref_operands changes.
7476 (get_indirect_ref_operands): Call add_virtual_operand instead of
7477 add_stmt_operand. Only recurse on base var if requested.
7478 (access_can_touch_variable): New function.
7479 (add_stmt_operand): Split virtual operand handling into ...
7480 (add_virtual_operand): Here. Add offset, size, and for_clobber
7481 arguments. Prune alias sets.
7482 (add_call_clobber_ops): Call add_virtual_operand.
7484 2006-02-15 Jakub Jelinek <jakub@redhat.com>
7486 PR middle-end/26300
7487 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
7489 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
7490 than TREE_CODE as index into omp_clause_num_ops array.
7492 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
7494 PR rtl-optimization/26184
7495 * modulo-sched.c (generate_reg_moves): Free bitmap vector
7496 uses_of_defs.
7497 * modulo-sched.c (sms_schedule): Free g_arr pointer.
7498 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
7499 must_precede, must_follow and tobe_scheduled.
7501 PR other/26147
7502 * opts.c (common_handle_option): Free new_option pointer.
7503 * df-core.c (df_analyze): Free postorder pointer.
7505 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7507 * Makefile.in: Fix the examples about the use of stamps
7509 2006-02-15 Michael Matz <matz@suse.de>
7511 PR middle-end/22275
7513 * stor-layout.c (layout_decl): Zero-width bitfields aren't
7514 influenced by maximum_field_alignment or DECL_PACKED.
7515 (update_alignment_for_field): Ditto.
7516 (place_field): Ditto.
7517 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
7518 this behaviour.
7520 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
7522 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
7523 (debug_flow_info): Pass it.
7524 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
7525 * bb-reorder.c (reorder_basic_blocks): Likewise.
7526 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
7527 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
7528 * flow.c (life_analysis, recompute_reg_usage): Likewise.
7529 * gcse.c (gcse_main, bypass_jumps): Likewise.
7530 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
7531 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
7532 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
7533 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
7534 * rtl.h (dump_flow_info): Adjust prototype.
7535 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
7536 * var-tracking.c (variable_tracking_main): Likewise.
7537 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
7538 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
7539 options.
7541 2006-02-15 Marcin Dalecki <martin@dalecki.de>
7543 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
7544 construction.
7546 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7548 PR tree-optimization/26209
7549 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
7550 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
7551 eh edges.
7552 * tree-cfg.c (replace_uses_by): Do not alter cfg.
7554 2006-02-14 Roger Sayle <roger@eyesopen.com>
7556 PR middle-end/23670
7557 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
7558 (X,Y) and the corresponding symmetry related transformations.
7559 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7560 (X,Y) and its symmetry related transformations.
7562 2006-02-14 Roger Sayle <roger@eyesopen.com>
7564 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
7565 and GEU.
7567 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
7569 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
7571 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7573 PR bootstrap/26053
7574 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
7575 support COMDAT group.
7576 * configure: Regenerate.
7578 2006-02-14 Roger Sayle <roger@eyesopen.com>
7580 PR middle-end/26279
7581 PR middle-end/26280
7582 PR middle-end/26283
7583 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7585 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7587 Fix PR tree-optimization/26260
7589 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7590 param.
7591 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7592 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7593 * tree-ssa-structalias.c (create_variable_info_for): Use
7594 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7596 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7598 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7599 Document.
7600 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7601 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7602 of the ending condition.
7603 * tree-ssa-loop-manip.c: Include params.h.
7604 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
7605 tree_unroll_loop): New functions.
7606 * tree-pass.h (pass_loop_prefetch): Declare.
7607 * loop.c (rest_of_handle_loop_optimize): Test for
7608 -fprefetch-loop-arrays-rtl.
7609 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
7610 * timevar.def (TV_TREE_PREFETCH): New timevar.
7611 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
7612 pass_loop_prefetch): New.
7613 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
7614 (cleanup_tree_cfg_loop): Call scev_reset.
7615 * common.opt (fprefetch-loop-arrays-rtl): Add.
7616 * tree-ssa-loop-prefetch.c: New file.
7617 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
7618 (new_temp_expr_table): Initialize expr_vars.
7619 (free_temp_expr_table): Cleanup expr_vars.
7620 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
7621 expressions from being merged into one.
7622 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
7623 (struct tree_niter_desc): Add control, bound and cmp fields.
7624 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
7625 Declare.
7626 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
7627 (tree-cfgcleanup.o): Add SCEV_H dependency.
7628 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
7629 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
7631 2006-02-14 Richard Guenther <rguenther@suse.de>
7633 PR tree-optimization/26258
7634 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
7635 in PHI argument processing.
7637 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
7639 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
7640 new expression in the requested machine mode.
7642 2006-02-13 Roger Sayle <roger@eyesopen.com>
7644 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
7645 directly, instead let do_compare_rtx_and_jump handle this for us.
7646 * expr.c (expand_expr_real_1): Likewise.
7647 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
7648 before do_jump_by_parts_greater.
7649 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
7650 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
7652 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7654 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
7656 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7658 PR rtl-optimization/26235
7659 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
7660 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
7661 format.
7663 2006-02-13 Jeff Law <law@redhat.com>
7665 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
7666 TRUTH_XOR_EPR.
7668 2006-02-13 Jakub Jelinek <jakub@redhat.com>
7670 PR middle-end/26092
7671 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
7672 twice if decl is a builtin. When trying again, call get_callee_fndecl
7673 first to verify it is still a builtin.
7675 2006-02-13 Geoffrey Keating <geoffk@apple.com>
7677 * dwarf2out.c (base_type_die): Don't add AT_name here.
7678 (subrange_type_die): Don't add AT_name here.
7679 (modified_type_die): Rearrange code flow. Do add AT_name here.
7681 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7683 PR rtl-optimization/26247
7684 PR rtl-optimization/26248
7685 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7687 2006-02-13 Richard Sandiford <richard@codesourcery.com>
7689 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
7690 * config/fixtfdi.c: Likewise.
7691 * config/fixunstfdi.c: Likewise.
7692 * config/floatditf.c: Likewise.
7694 2006-02-13 Roger Sayle <roger@eyesopen.com>
7696 PR middle-end/24427
7697 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7698 into (X,C2) if C1 is a subset of the bits of C2. Transform
7699 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7700 (X&(C1&~C2))|C2.
7701 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7703 2006-02-13 Josh Conner <jconner@apple.com>
7705 PR target/25376
7706 * varasm.c (function_section): Check for section name before
7707 calling select_section on targets that define
7708 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7709 unlikely_text_section instead of hot_function_section if
7710 first_function_block_is_cold.
7712 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7714 PR middle-end/25335
7715 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7717 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7719 PR rtl-optimization/26222
7720 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7721 after tree->rtl expansion.
7722 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7723 before passing it to emit_move_insn.
7725 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7727 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7728 default.
7729 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7730 Clarify documentation.
7731 * c-common.h (warn_write_strings): Remove.
7732 * c-common.c (warn_write_strings): Likewise.
7733 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7734 default for C++.
7736 2006-02-12 Roger Sayle <roger@eyesopen.com>
7738 PR middle-end/25724
7739 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7740 (do_jump_parts_zero_rtx): New function renamed from
7741 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7742 (do_jump_parts_equality_rtx): New function split out from
7743 do_jump_parts_equality. Old implementation renamed as above.
7744 Call do_jump_parts_zero_rtx if either operand is zero.
7745 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7746 do all of the heavy lifting.
7747 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7748 calling either do_jump_by_parts_greater_rtx or
7749 do_jump_by_parts_equality_rtx.
7750 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7751 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7752 moved to do_compare_rtx_and_jump, call it directly.
7753 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7754 mode argument. Call do_compare_rtx_and_jump.
7755 (emit_case_nodes): Update calls to do_jump_if_equal.
7757 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7759 PR rtl-optimization/26225
7760 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7762 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7764 PR rtl-optimization/26232
7765 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7767 2006-02-11 Jason Merrill <jason@redhat.com>
7769 PR tree-opt/24365
7770 * tree-inline.c (declare_return_variable): Just don't use the
7771 modify target if it's a gimple complex reg and the return slot
7772 isn't.
7774 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7776 * doc/contrib.texi: Update my entry.
7778 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7780 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7782 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7784 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7785 expensive.
7787 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7789 * doc/invoke.texi (-floop-optimize2): Removed.
7790 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7791 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7792 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7793 * common.opt (floop-optimize2): Removed.
7794 (fmove-loop-invariants): Enabled by default.
7796 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7798 * tree-if-conv.c (combine_blocks): Free the result of
7799 get_loop_exit_edges.
7801 2006-02-10 Jeff Law <law@redhat.com>
7803 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7805 PR tree-optimization/26213
7806 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7807 loop trying to follow SSA_NAME_VALUE chains.
7809 2006-02-10 Richard Guenther <rguenther@suse.de>
7811 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7812 deal with structures that end in implicitly variable sized arrays.
7814 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7816 PR rtl-optimization/24762
7817 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7818 eh edges.
7820 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7822 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7823 (struct ivopts_data): Add regs_used field.
7824 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7825 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7826 instead of loop_data->regs_used;
7827 (free_loop_data): Do not free aux fields for loops.
7828 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7829 and tree_ssa_iv_optimize_finalize.
7831 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7833 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7835 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7837 PR target/26141
7838 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7839 computing the effective result type.
7841 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7843 PR inline-asm/16194
7844 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7845 (tree_overlaps_hard_reg_set): Declare.
7846 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7847 type and signature to match function type expected by walk_tree.
7848 (tree_overlaps_hard_reg_set): New function.
7849 (decl_conflicts_with_clobbers_p): Rename to:
7850 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7851 Use tree_overlaps_hard_reg_set. Changed caller.
7852 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7853 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7854 * cris.c (cris_md_asm_clobbers): Likewise.
7856 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7858 * reload1.c (emit_input_reload_insns): Delete code that tries to
7859 inherit using find_equiv_reg.
7861 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7863 * c-common.h (flag_const_strings): Don't declare.
7864 * c-common.c (flag_const_strings): Remove.
7865 * c.opt (fconst_strings): Remove.
7866 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7867 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7868 (c_common_init_options): Don't set flag_const_strings.
7869 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7871 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7873 * arm.md (tlobits_cbranch): New pattern.
7874 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7875 testing a single bit.
7877 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7879 PR tree-opt/26179
7880 * tree-ssa-pre.c (create_component_ref_by_pieces):
7881 Handle RETURN_DECL like VAR_DECL.
7883 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7885 PR middle-end/26134
7886 * fold-const.c (fold_indirect_ref_1): Fold
7887 "*(foo *)&complexfoo" to "__real__ complexfoo"
7888 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7890 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7892 * tree-flow-inline.h (var_can_have_subvars):
7893 Volatile variables should not have subvariables.
7895 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7897 PR 26180
7898 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7899 multiplying unsigned values.
7900 Tidy comments.
7902 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7904 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7906 2006-02-08 Jason Merrill <jason@redhat.com>
7908 PR c++/25979
7909 * tree.def: Elaborate on difference from MODIFY_EXPR.
7910 * doc/c-tree.texi (INIT_EXPR): Likewise.
7911 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7912 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7913 (gimplify_target_expr): Likewise.
7914 (gimplify_cond_expr): Remove target handling.
7915 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7916 (gimplify_expr): Clobber it here.
7917 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7918 Do return slot optimization if we have an INIT_EXPR.
7920 PR tree-opt/24365
7921 * tree-inline.c (declare_return_variable): Also clear
7922 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7924 PR c++/16405
7925 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7927 PR middle-end/22439
7928 * gimplify.c (gimplify_one_sizepos): Fix typo.
7930 2006-02-08 Jeff Law <law@redhat.com>
7932 PR tree-optimization/21417
7933 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7934 across a backedge if the control statement at the end of the
7935 block is data dependent on other statements in the same block.
7936 (record_temporary_equivalences_from_stmts): Remove over-conservative
7937 test for threading across backedges.
7939 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7940 control statement, handle all three special cases in the same
7941 manner as they all have the same desired solution. No longer
7942 special case edge flag updating when the post dominator is
7943 the exit block.
7945 2006-02-08 Roger Sayle <roger@eyesopen.com>
7947 * tree.def (CHAR_TYPE): Remove.
7948 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7949 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7950 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7951 (gen_string_type_die): Delete unreachable function.
7953 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7954 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7955 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7956 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7957 * builtins.c (type_to_class): Likewise.
7958 * fold-const.c (fold_convert, build_range_check,
7959 merge_ranges): Likewise.
7960 * expr.c (count_type_elements): Likewise.
7961 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7962 * stor-layout.c (layout_type): Likewise.
7963 * ipa-type-escape.c (type_to_consider): Likewise.
7964 * gimplify.c (omp_firstprivatize_type_sizes,
7965 gimplify_type_sizes): Likewise.
7966 * explow.c (promote_mode): Likewise.
7967 * tree-sra.c (is_sra_scalar_type): Likewise.
7968 * varasm.c (output_constant): Likewise.
7969 * tree-inline.c (remap_type_1): Likewise.
7970 * convert.c (convert_to_pointer, convert_to_real,
7971 convert_to_integer, convert_to_complex): Likewise.
7973 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7975 * df-scan.c (df_def_record_1): A set destination may
7976 be a parallel regardless of mode.
7978 2006-02-08 Roger Sayle <roger@eyesopen.com>
7980 PR target/22209
7981 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7982 * config/mips/_tilib.c: Remove.
7983 * config/fixtfdi.c: New libgcc source file.
7984 * config/fixunstfdi.c: New source file.
7985 * config/floatditf.c: New source file.
7986 * config/floatunditf.c: New souce file.
7987 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7988 files above instead of config/mips/_tilib.c.
7989 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7991 2006-02-08 Jeff Law <law@redhat.com>
7993 PR tree-optimization/26169
7994 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7995 threading jumps.
7997 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7999 * df.h (DF_REG_SIZE): Return the length of the initialized
8000 part of the array.
8002 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8004 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8005 __muldf3): Return a correctly signed zero.
8007 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8009 * passes.c (register_one_dump_file): Accept the current properties
8010 instead of pass number. Adjust call to dump_register. Remove
8011 duplicated code.
8012 (register_dump_files): Now a wrapper around...
8013 (register_dump_files_1): ... this one. Do not modify the pass
8014 structure.
8015 (next_pass_1): Cosmetic fix.
8016 (execute_todo): Keep second parameter only. Use curr_properties
8017 instead of fetching it from the pass structure. Check and set
8018 last_verified.
8019 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8020 instead of fetching it from the pass structure. Fix calls to
8021 execute_todo. Update curr_properties and initialize .vcg RTL dump
8022 after running the pass. Reset last_verified.
8023 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8024 at the beginning.
8025 (FIRST_AUTO_NUMBERED_DUMP): New.
8026 (dump_register): Remove "num" parameter, assign it within the
8027 function.
8028 (get_dump_file_name): Modify template for dumps.
8029 * tree-dump.h (dump_register): Adjust prototype.
8030 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8031 (PROP_trees): Add PROP_gimple_lomp.
8032 (TODO_set_props): New.
8033 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8034 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8035 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8037 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8039 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8040 (sparc64-*-linux*): Likewise.
8041 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8042 * config/sparc/t-linux: New file.
8043 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8044 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8045 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8046 -m32 -mlong-double-128.
8048 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8049 * config/alpha/t-linux: New file.
8050 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8052 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8053 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8054 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8055 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8056 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8057 (CPP_ARCH32_SPEC): Remove.
8059 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8061 PR tree-optimization/26145
8062 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8063 bbs pointer.
8065 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8067 PR target/26109
8068 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8069 >= 240000 when generating code for SOM runtime.
8070 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8071 to $$dyncall when generating code for SOM runtime..
8073 2006-02-07 Dirk Mueller <dmueller@suse.com>
8075 PR c++/18150
8076 * doc/invoke.texi (-Wsequence-point): Update documentation
8077 that -Wsequence-point is implemented for C++ as well.
8079 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8081 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8082 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8083 (LIB_SPEC): Likewise.
8084 * doc/invoke.texi (SPARC options): Document -pthread.
8086 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8088 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8089 PIC addresses.
8091 2006-02-07 Roger Sayle <roger@eyesopen.com>
8093 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8094 Correct comment describing BOOLEAN_TYPE.
8096 2006-02-07 Dirk Mueller <dmueller@suse.com>
8098 * c.opt: C++ frontend supports -Wdiv-by-zero.
8099 * c-opts.c (c_common_handle_option): Remove dead case.
8101 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8103 * configure.ac (TLS assembler check): Do not enable TLS by
8104 default on SPARC/Solaris before version 10.
8105 * configure: Regenerate.
8107 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8109 * doc/invoke.texi (xl-compat): Document conversion and support
8110 routine names.
8112 2006-02-07 Jeff Law <law@redhat.com>
8114 * tree-vrp.c (find_conditional_asserts): Update comments.
8115 (simplify_stmt_for_jump_threading): New.
8116 (identify_jump_threads, finalize_jump_threads): New.
8117 (vrp_finalize): Call identify_jump_threads.
8118 (execute_vrp): Call finalize_jump_threads.
8119 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8120 (vrp_element, vrp_data, vrp_element_p): Remove.
8121 (vrp_hash_elt, vrp_variables_stack): Remove.
8122 (vrp_hash, vrp_eq, record_range): Remove.
8123 (simplify_cond_and_lookup_avail_expr): Remove.
8124 (extract_range_from_cond): Remove.
8125 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8126 (simplify_stmt_for_jump_threading): New.
8127 (dom_thread_across_edge): New wrapper.
8128 (tree_ssa_dominator_optimize): No longer initialize or
8129 finalize any of the VRP datastructures. Remove iteration
8130 step and simplify as a result of removal of iteration step.
8131 (pass_dominator): Perform a cfg cleanup after DOM.
8132 (dom_opt_finalize_block): Use the new common routines
8133 for threading jumps. Simplify stack management slightly.
8134 No longer need to unwind VRP state.
8135 (record_equivalences_from_incoming_edge): No longer record
8136 VRP information.
8137 (eliminate_redundant_computations): No longer call
8138 simplify_cond_and_lookup_avail_expr.
8139 * tree-flow.h (potentially_threadable_block): Prototype.
8140 (thread_across_edge): Likewise.
8141 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8142 (tree-ssa-threadedge.o): Add dependencies.
8143 * tree-ssa-threadedge.c: New file.
8144 * passes.c (init_optimization_passes): Merge PHIs before
8145 calling VRP. Run VRP again late in the SSA optimization pipeline.
8147 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8149 * df-core.c (df_set_blocks): Do not dereference function pointers.
8150 (df_finish1): Likewise.
8151 (df_hybrid_search_forward): Likewise.
8152 (df_hybrid_search_backward): Likewise.
8153 (df_iterative_dataflow): Likewise.
8154 (df_analyze_problem): Likewise.
8155 (df_compact_blocks): Likewise.
8156 (df_dump): Likewise.
8157 * df-scan.c (df_rescan_blocks): Likewise.
8158 (df_record_entry_block_defs): Likewise.
8160 * genconditions.c (write_conditions): Guard the definition of
8161 'insn_conditions' with the check on GCC version.
8162 (write_writer): Guard the traversal 'insn_conditions' with
8163 the check on GCC version.
8165 2006-02-07 Richard Guenther <rguenther@suse.de>
8167 PR c++/26140
8168 Revert
8169 2006-01-30 Richard Guenther <rguenther@suse.de>
8170 PR c++/23372
8171 * gimplify.c (gimplify_target_expr): Handle easy cases
8172 without creating a temporary.
8174 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8176 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8177 use of float in probability computations. Use edge probabilities
8178 in place of statically computed probabilities.
8179 (min_spec_prob): New static variable.
8180 (schedule_insns): Initialize it.
8181 (GET_SRC_PROB): Removed.
8182 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8184 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8186 PR debug/24444
8187 * config/ia64/unwind-ia64.c: Revert last change.
8188 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8189 (INCOMING_FRAME_SP_OFFSET): Define.
8191 2006-02-06 Roger Sayle <roger@eyesopen.com>
8193 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8195 2006-02-07 Ben Elliston <bje@au.ibm.com>
8197 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8198 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8199 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8200 (ix86_return_in_memory): Handle TDmode.
8201 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8202 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8204 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8206 * reorg.c (dbr_schedule): Use dump_file instead of file.
8208 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8210 PR target/25917
8211 * config/ia64/predicates.md (extr_len_operand): New predicate.
8212 * config/ia64/ia64.md (extv): Tighten constraints.
8213 (extzv): Ditto.
8214 (*tbit_and_2): Ditto.
8215 (*tbit_and_3): Ditto.
8216 (*tbit_or_2): Ditto.
8217 (*tbit_or_3): Ditto.
8218 (*bit_zero): Ditto.
8219 (*bit_one): Ditto.
8221 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8223 PR target/23359
8224 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8226 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8228 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8229 loop_optimizer_init and loop_optimizer_finalize
8230 * tree-ssa-sink.c (execute_sink_code): Ditto.
8231 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8232 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8233 tree_ssa_loop_done): Ditto.
8234 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8235 * sched-ebb.c: Include output.h.
8236 (schedule_ebbs): Do not use dump argument.
8237 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8238 * loop.c (loop_dump_stream): Removed.
8239 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8240 argument.
8241 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8242 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8243 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8244 loop_iterations, strength_reduce, record_biv, record_giv,
8245 final_giv_value, check_final_value, check_ext_dependent_givs,
8246 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8247 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8248 dump_file instead of loop_dump_stream.
8249 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8250 argument dump_file.
8251 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8252 dump argument.
8253 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8254 * haifa-sched.c: Include output.h
8255 (schedule_insns, sched_init): Do not use dump argument.
8256 * mode-switching.c (optimize_mode_switching): Ditto.
8257 * modulo-sched.c (stats_file): Removed.
8258 (print_node_sched_params): Do not call argument dump_file.
8259 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8260 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8261 of stats_file.
8262 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8263 use dump argument.
8264 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8265 rtl_loop_init, rtl_loop_done): Ditto.
8266 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8267 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8268 Ditto.
8269 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8270 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8271 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8272 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8273 * emit-rtl.c (renumber_insns): Ditto.
8274 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8275 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8276 * regclass.c (regclass): Ditto.
8277 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8278 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8279 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8280 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8281 Ditto.
8282 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8283 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8284 to regclass.
8285 * gcse.c (gcse_file, debug_stderr): Removed.
8286 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8287 rest_of_handle_gcse): Do not use dump argument.
8288 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8289 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8290 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8291 compute_code_hoist_vbeinout, compute_code_hoist_data,
8292 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8293 compute_store_table, build_store_vectors, insert_insn_start_bb,
8294 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8295 store_motion): Use dump_file instead of gcse_file.
8296 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8297 * profile.c (profile_dump_file): Removed.
8298 (branch_prob): Use dump_file instead of profile_dump_file.
8299 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8300 dump_file.
8301 * tree-ssa-copy.c (dump_copy_of): Ditto.
8302 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8303 dump file to life_analysis.
8304 * bt-load.c (branch_target_load_optimize): Ditto.
8305 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8306 renumber_insns.
8307 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8308 regclass, dbr_schedule): Declaration changed.
8309 * sched-int.h (sched_init): Declaration changed.
8310 * tree-profile.c (tree_profile_dump_file): Removed.
8311 (tree_profile_hooks): Removed profile_dump_file hook.
8312 * rtl-profile (rtl_profile_dump_file): Removed.
8313 (rtl_profile_hooks): emoved profile_dump_file hook.
8314 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8315 changed.
8316 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8317 * tree-cfg.c (build_tree_cfg): Ditto.
8318 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8319 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8320 Declaration changed.
8321 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8322 life_analysis and schedule_insns.
8323 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8324 life_analysis.
8325 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8326 dbr_schedule.
8327 * config/mips/mips.c (mips_reorg): Ditto.
8328 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8329 schedule_ebbs.
8331 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8333 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8334 (s390_mangle_fundamental_type): New.
8335 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8336 Define.
8338 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8339 (alpha_mangle_fundamental_type): New.
8340 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8341 Define.
8343 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8344 Define.
8345 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8346 Define.
8347 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8348 (sparc_mangle_fundamental_type): New.
8350 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8352 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8353 (s390x-*-linux*): Likewise.
8354 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8355 * config/s390/t-linux: New file.
8357 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8359 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
8360 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
8362 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
8364 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
8365 (ANTIC_SAFE_LOADS): New macro.
8366 (find_or_generate_expression): Add prototype.
8367 (set_contains_value): Allow null set for sake of not always having
8368 to allocate ANTIC_SAFE_LOADS.
8369 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
8370 Allow COMPONENT_REF too.
8371 (valid_in_set): Allow COMPONENT_REF.
8372 Check ANTIC_SAFE_LOADS too.
8373 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
8374 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
8375 rename.
8376 (can_PRE_operation): Add COMPONENT_REF.
8377 (create_component_ref_by_pieces): New function.
8378 (create_expression_by_pieces): Use create_component_ref_by_pieces.
8379 (insert_aux): Move AGGREGATE_TYPE_P check here.
8380 (compute_avail): Set bb local stmt uids.
8381 (pass_pre): Use TODO_update_ssa_only_virtuals.
8383 2006-02-06 Ben Elliston <bje@au.ibm.com>
8385 * configure.ac: Unconditionally disable decimal float by default.
8386 * configure: Regenerate.
8388 2006-02-06 Ben Elliston <bje@au.ibm.com>
8390 * read-rtl.c (read_name): Terminate reading on EOF.
8392 2006-02-06 Ben Elliston <bje@au.ibm.com>
8394 * dfp.c (decimal_real_arithmetic): Change second argument type
8395 from int to enum tree_code. Do not always return true, but now
8396 return result of any call to decimal_do helper functions.
8397 * dfp.h (decimal_real_arithmetic): Update prototype.
8399 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
8401 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
8403 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
8405 PR tree-opt/25251
8406 * tree-cfg.c (cleanup_dead_labels): Also don't remove
8407 forced labels.
8409 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8411 * tree-vrp.c (cfg_loops): Removed.
8412 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
8413 Use current_loops instead of cfg_loops. Pass flags to
8414 loop_optimizer_init.
8415 * cfgloopmanip.c (fix_loop_structure): Update only available
8416 information.
8417 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
8418 loop_optimizer_init.
8419 * modulo-sched.c (build_loops_structure): Removed.
8420 (sms_schedule): Use loop_optimizer_init.
8421 * loop-init.c (loop_optimizer_init): Use flags to determine
8422 which properties of loops to prepare.
8423 (rtl_loop_init): Pass flags to loop_optimizer_init.
8424 * tree-ssa-sink.c (execute_sink_code): Ditto.
8425 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8426 * tree-ssa-pre.c (init_pre): Ditto.
8427 * cfgloop.h (LOOPS_NORMAL): New.
8428 (loop_optimizer_init): Declaration changed.
8430 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8432 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
8433 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
8434 pa/t-pa.
8435 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
8436 pa/t-pa.
8437 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
8438 pa/x-ada.
8439 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
8440 * pa/t-pa64: Delete quadlib.c rule.
8441 * pa/x-ada: Revert last change.
8442 * pa/t-pa: Revert last change. Delete quadlib.c rule.
8444 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8446 PR rtl-optimization/26087
8447 * rtlanal.c (canonicalize_condition): Do not cross basic block
8448 boundaries.
8450 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
8452 PR debug/24444
8453 * config/ia64/ia64.c: Include debug.h.
8454 (MAX_ARTIFICIAL_LABEL_BYTES): New.
8455 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
8456 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
8457 (process_epilogue, process_set, process_for_unwind_directive):
8458 Output unwind info only if requested. Add CFA info if requested.
8459 Add new arguments as needed. Adjust callers.
8460 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
8461 incorrect default.
8462 (DWARF2_FRAME_INFO): Define to zero.
8463 * config/ia64/unwind-ia64.c: Remove code that compensated for
8464 the CFA offset error fixed above.
8465 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
8466 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
8467 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
8468 -funwind-tables and -fexceptions to enable frame info.
8469 (dwarf2out_frame_init): Define initial CFA even if
8470 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
8471 DWARF2_UNWIND_INFO is nonzero, not just defined.
8472 (dwarf2out_frame_finish): Output non-EH call frame info only
8473 if DWARF2_FRAME_INFO is nonzero.
8474 (convert_cfa_to_loc_list,
8475 compute_frame_pointer_to_cfa_displacement): Define even if
8476 unwind info is not supported.
8477 (gen_subprogram_die): Use the above unconditionally. Remove
8478 legacy alternate code.
8479 * toplev.c (compile_file): Compile in call to
8480 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
8481 (lang_dependent_init): Ditto for dwarf2out_frame_init.
8483 2006-02-04 David Edelsohn <edelsohn@gnu.org>
8484 Jakub Jelinek <jakub@redhat.com>
8486 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
8487 IBM extended float format long double as "g" on powerpc*-linux.
8489 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8491 PR target/25926
8492 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
8493 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
8495 2006-02-03 Jason Merrill <jason@redhat.com>
8497 PR c++/25979
8498 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
8500 PR middle-end/25977
8501 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
8502 on the return slot if it's an NRV.
8504 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
8506 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
8507 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
8508 rewrite_use): Do not handle USE_OUTER.
8509 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
8510 add_iv_outer_candidates, may_replace_final_value,
8511 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
8512 (find_interesting_uses_op): Functionality of
8513 find_interesting_uses_outer_or_nonlin moved here.
8514 (find_interesting_uses_outside): Use find_interesting_uses_op.
8516 2006-02-03 Alan Modra <amodra@bigpond.net.au>
8518 PR target/25960
8519 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
8521 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
8522 Ulrich Weigand <uweigand@de.ibm.com>
8524 PR target/25864
8525 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
8526 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
8527 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
8528 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
8529 and dxr fields.
8530 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
8531 (s390_rtx_costs): Use the new fields to calculate rtx costs.
8532 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
8533 Define secondary reloads for TFmode moves.
8534 (constant_modes): Add TFmode.
8535 (NR_C_MODES): Set to 8.
8536 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
8537 builtin define.
8538 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
8539 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
8540 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
8541 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
8542 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
8543 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
8544 (FPR mode macro): Add TFmode.
8545 (DSF mode macro): New.
8546 (<de>, <dee> mode attributes): Removed.
8547 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
8548 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
8549 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
8550 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
8551 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
8552 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
8553 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
8554 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
8555 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
8556 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
8557 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
8558 "*negabs<mode>2", "sqrt<mode>2"):
8559 Changed <de> to <xde>. R constraint replaced by <Rf>.
8560 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
8561 <Rf>.
8562 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
8563 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
8564 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
8565 splitters.
8566 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
8567 "extenddftf2", "extendsftf2"): New expanders.
8568 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
8569 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
8570 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
8571 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
8572 New options.
8573 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
8574 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
8575 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
8576 __floatditf): Add a GCC_4.1.0 symbol version tag.
8577 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
8578 the new options.
8580 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
8582 PR target/25377
8583 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8584 Use targetm.binds_local_p instead of TREE_PUBLIC.
8586 2006-02-02 Roger Sayle <roger@eyesopen.com>
8588 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8589 on INTEGER_TYPEs to indicate that it denotes a character type.
8590 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8591 signed_char_type_node, unsigned_char_type_node and char_type_node.
8592 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8593 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8594 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8596 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8597 Daniel Berlin <dberlin@dberlin.org>
8599 * tree-tailcall.c (arg_needs_copy_p): New function.
8600 (eliminate_tail_call): Use arg_needs_copy_p.
8601 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8602 (add_virtual_phis): New function.
8604 2006-02-02 Jakub Jelinek <jakub@redhat.com>
8606 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
8607 #ignore instead of #scratch for %g7 .register directive.
8609 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
8611 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
8612 object files.
8614 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8616 * flow.c (calculate_global_regs_live): Assert that there aren't any
8617 EDGE_FAKE edges.
8619 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8621 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
8622 what its name says.
8623 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
8624 bsi_after_labels iterator.
8625 * tree-if-conv.c (find_phi_replacement_condition,
8626 replace_phi_with_cond_modify_expr): Likewise.
8627 * tree-scalar-evolution.c (scev_const_prop): Likewise.
8628 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
8630 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8632 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
8634 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8636 PR 25990
8637 * tree-cfg.c (move_block_to_fn): Clear out the basic block
8638 array after growing it.
8640 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8642 PR middle-end/24901
8643 * fold-const.c (fold_checksum_tree): Change type of buf.
8645 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
8647 * reload.c (push_secondary_reload): Initialize t_icode.
8649 2006-02-01 Jakub Jelinek <jakub@redhat.com>
8651 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8652 -msoft-float -mlong-double-128 only issue a warning, but don't
8653 swich to DFmode long double.
8655 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
8657 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
8658 has a constant equivalent, iterate over equivalents for arg0,
8659 calling simplify_relational_operation and if there's a result
8660 cheaper than X, apply fold_rtx and return the result.
8662 2006-02-01 Jan Hubicka <jh@suse.cz>
8664 * opts.c (no_unit_at_a_time_default): New global variable.
8665 (decode_options): Use it.
8666 * opts.h (no_unit_at_a_time_default): Declare.
8668 2006-02-01 Paul Brook <paul@codesourcery.com>
8670 * function.c (assign_parm_setup_reg): Use function argument promotion
8671 rules.
8672 * expr.c (expand_expr_real_1): Use function argument promotion rules
8673 for PARM_DECLs.
8675 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8677 * gcc.c (process_command): Change j to 'unsigned int'.
8679 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8681 PR middle-end/26001
8682 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
8683 Use the corrected index for the character
8684 out of the string constant.
8686 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8688 * mode-switching.c (optimize_mode_switching): Fix size
8689 allocated for bb_info[n_entities].
8691 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8693 * gcc.c (main): Correct type that is allocated for
8694 explicit_link_files.
8696 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8698 * config/s390/s390.c (init_alignment_context): Set
8699 ALIAS_SET_MEMORY_BARRIER on the MEM.
8700 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8702 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8704 PR middle-end/25933
8705 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8706 dom_bbs pointer.
8707 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8708 call to tpa_init.
8710 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8712 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8713 * regrename.c: Ditto.
8714 * tree-ssa-loop-im.c: Ditto.
8715 * tree-dump.c: Ditto.
8716 * tree-complex.c: Ditto.
8717 * genrecog.c: Ditto.
8718 * tree-ssa-threadupdate.c: Ditto.
8719 * tracer.c: Ditto.
8720 * java/class.c: Ditto.
8721 * java/jcf-parse.c: Ditto.
8722 * java/resource.c: Ditto.
8723 * java/except.c: Ditto.
8724 * java/jvspec.c: Ditto.
8725 * java/jcf-write.c: Ditto.
8726 * java/jcf-path.c: Ditto.
8727 * java/gjavah.c: Ditto.
8728 * java/zextract.c: Ditto.
8729 * java/jcf-io.c: Ditto.
8730 * java/jcf.h: Ditto.
8731 * java/buffer.c: Ditto.
8732 * java/lang.c: Ditto.
8733 * java/parse-scan.y: Ditto.
8734 * java/lex.c: Ditto.
8735 * java/lex.h: Ditto.
8736 * cfgloopmanip.c: Ditto.
8737 * postreload-gcse.c: Ditto.
8738 * tree-ssa-loop-manip.c: Ditto.
8739 * postreload.c: Ditto.
8740 * tree-ssa-loop-ch.c: Ditto.
8741 * loop.c: Ditto.
8742 * ipa-cp.c: Ditto.
8743 * cppspec.c: Ditto.
8744 * diagnostic.c: Ditto.
8745 * final.c: Ditto.
8746 * genoutput.c: Ditto.
8747 * gcc.c: Ditto.
8748 * cfghooks.c: Ditto.
8749 * cfgloopanal.c: Ditto.
8750 * objc/objc-act.c: Ditto.
8751 * gcov.c: Ditto.
8752 * genextract.c: Ditto.
8753 * genautomata.c: Ditto.
8754 * pretty-print.c: Ditto.
8755 * genemit.c: Ditto.
8756 * cgraphunit.c: Ditto.
8757 * flow.c: Ditto.
8758 * df-scan.c: Ditto.
8759 * haifa-sched.c: Ditto.
8760 * dominance.c: Ditto.
8761 * dbxout.c: Ditto.
8762 * tree-ssa-loop-ivopts.c: Ditto.
8763 * df-core.c: Ditto.
8764 * mode-switching.c: Ditto.
8765 * modulo-sched.c: Ditto.
8766 * graph.c: Ditto.
8767 * ipa-pure-const.c: Ditto.
8768 * cse.c: Ditto.
8769 * fix-header.c: Ditto.
8770 * web.c: Ditto.
8771 * tree-stdarg.c: Ditto.
8772 * ipa-utils.c: Ditto.
8773 * loop-init.c: Ditto.
8774 * ipa-inline.c: Ditto.
8775 * cfganal.c: Ditto.
8776 * global.c: Ditto.
8777 * alloc-pool.c: Ditto.
8778 * dwarf2out.c: Ditto.
8779 * opts.c: Ditto.
8780 * genattrtab.c: Ditto.
8781 * tree-ssa-loop-ivcanon.c: Ditto.
8782 * predict.c: Ditto.
8783 * timevar.c: Ditto.
8784 * lcm.c: Ditto.
8785 * fortran/gfortranspec.c: Ditto.
8786 * regmove.c: Ditto.
8787 * local-alloc.c: Ditto.
8788 * langhooks.c: Ditto.
8789 * function.c: Ditto.
8790 * tree-vectorizer.c: Ditto.
8791 * gcse.c: Ditto.
8792 * ipa-type-escape.c: Ditto.
8793 * alias.c: Ditto.
8794 * tree-if-conv.c: Ditto.
8795 * profile.c: Ditto.
8796 * ipa.c: Ditto.
8797 * tree-data-ref.c: Ditto.
8798 * loop-unroll.c: Ditto.
8799 * treelang/treetree.c: Ditto.
8800 * calls.c: Ditto.
8801 * bt-load.c: Ditto.
8802 * ggc-common.c: Ditto.
8803 * except.c: Ditto.
8804 * coverage.c: Ditto.
8805 * cselib.c: Ditto.
8806 * tree-cfgcleanup.c: Ditto.
8807 * tree-ssa-pre.c: Ditto.
8808 * cfgcleanup.c: Ditto.
8809 * loop-invariant.c: Ditto.
8810 * loop-iv.c: Ditto.
8811 * ipa-prop.c: Ditto.
8812 * print-tree.c: Ditto.
8813 * conflict.c: Ditto.
8814 * ggc-page.c: Ditto.
8815 * sched-deps.c: Ditto.
8816 * regclass.c: Ditto.
8817 * tree-object-size.c: Ditto.
8818 * combine.c: Ditto.
8819 * bb-reorder.c: Ditto.
8820 * resource.c: Ditto.
8821 * var-tracking.c: Ditto.
8822 * cfgloop.c: Ditto.
8823 * df-problems.c: Ditto.
8824 * reg-stack.c: Ditto.
8825 * tlink.c: Ditto.
8826 * gccspec.c: Ditto.
8827 * sched-rgn.c: Ditto.
8828 * tree-ssa-structalias.c: Ditto.
8829 * tree-ssa-reassoc.c: Ditto.
8830 * config/darwin-c.c: Ditto.
8831 * config/darwin.c: Ditto.
8832 * config/arm/arm.c: Ditto.
8833 * cfgrtl.c: Ditto.
8834 * collect2.c: Ditto.
8835 * reload1.c: Ditto.
8837 2006-01-31 Nicolas Pitre <nico@cam.org>
8839 * arm.md (smaxsi3): Make aware of smax_m1.
8840 (smax_m1): New.
8842 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8844 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8846 2006-01-31 Richard Guenther <rguenther@suse.de>
8848 * doc/invoke.texi (-msselibm): Document.
8849 * target.h (expand_library_builtin): New target hook.
8850 * builtins.c (expand_builtin): Use expand_library_builtin.
8851 (default_expand_library_builtin): New function.
8852 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8853 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8854 (link_gcc_math_spec): Declare.
8855 (static_specs): Add link_gcc_math_spec.
8856 * expr.h (default_expand_library_builtin): Declare.
8857 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8858 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8859 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8860 * config/i386/i386.opt (msselibm): New target option.
8861 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8862 (ix86_init_sse_abi_builtins): New function.
8863 (ix86_expand_library_builtin): Likewise.
8864 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8865 (override_options): Handle error conditions wrt -msselibm.
8866 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8867 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8868 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8869 builtins.
8871 2006-01-31 Richard Guenther <rguenther@suse.de>
8872 Paolo Bonzini <bonzini@gnu.org>
8874 * doc/install.texi (--disable-libgcc-math): Document.
8876 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8878 * expr.h (expand_normal): new inline function.
8879 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8880 * dojump.c: use it.
8881 * dwarf2out.c: use it.
8882 * expr.c: use it.
8883 * calls.c: use it.
8884 * expmed.c: use it.
8885 * except.c: use it.
8886 * config/sparc/sparc.c: use it.
8887 * config/i386/i386.c: use it.
8888 * config/rs6000/rs6000.c: use it.
8889 * config/arm/arm.c: use it.
8890 * config/mips/mips.c: use it.
8891 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8893 2006-01-30 Roger Sayle <roger@eyesopen.com>
8895 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8896 argv to the appropriate type.
8898 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8900 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8901 unreachable code.
8903 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8905 PR target/26018
8906 * config/s390/s390.c (struct machine_function): New flag
8907 decomposed_literal_pool_addresses_ok_p.
8908 (s390_reorg): Set it before final stage of literal pool transforms.
8909 (s390_decompose_address): Only accept displacements of the form
8910 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8912 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8914 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8915 the comparison routine return.
8917 2006-01-30 Michael Matz <matz@suse.de>
8919 * global.c (find_reg): Only evict for global regs.
8920 Take n_refs into account and dump more info.
8922 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8924 PR target/14798:
8925 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8926 (pragma_trap, pragma_nosave_low_regs): Likewise.
8927 (current_function_anonymous_args): Likewise.
8928 (sh_deferred_function_attributes): New variable.
8929 (sh_deferred_function_attributes_tail): Likewise.
8930 (print_operand): For '@', look up trap_exit attribute.
8931 (calc_live_regs): Look up trapa_handler attribute. For trapa
8932 handlers, save/restore fpscr, but don't do any other
8933 interrupt-specific saves.
8934 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8935 Fix check for partially saved registers to check for SHmedia.
8936 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8937 (sh_output_function_epilogue): Don't clear any of the removed
8938 variables.
8939 (sh_insert_attributes): Don't check pragma_interrupt.
8940 Insert deferred attributes. Check that interrupt attribute is
8941 present for other attributes that require its presence.
8942 (sh_attribute_table): Add new attributes trapa_handler and
8943 nosave_low_regs.
8944 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8945 Don't check for pragma_interrupt. Don't store argument.
8946 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8947 (sh_deferred_function_attributes): Declare.
8948 (sh_deferred_function_attributes_tail): Likewise.
8949 * sh.md (sp_switch_1): Add operand. Change generator caller.
8950 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8951 (*return_i): Don't use when trap_exit attribute is in effect.
8952 (*return_trapa): New insn pattern.
8953 * sh-c.c: New file.
8954 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8955 setting c_target_objs and cxx_target_objs.
8956 * t-sh: Add rule for sh-c.o.
8958 2006-01-30 Richard Guenther <rguenther@suse.de>
8960 PR c++/23372
8961 * gimplify.c (gimplify_target_expr): Handle easy cases
8962 without creating a temporary.
8964 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8966 * vec.h (safe_grow): Remove duplicated line.
8968 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8970 PR 25874
8971 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8972 (expand_omp): ... here.
8973 (expand_omp_parallel): Only remove barriers for combined
8974 parallel+workshare constructs.
8976 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8978 Revert
8980 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8981 * tree.c (build_qualified_type): Chain the new type to the original
8982 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8983 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8984 (build_pointer_type_for_mode): Only return unqualified types.
8985 (build_reference_type_for_mode): Likewise.
8987 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8989 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8990 * Makefile.in (CXX_COMPAT_WARN): Define.
8991 * configure: Regenerate.
8993 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8995 PR tree-opt/25911
8996 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8997 to an if check.
8999 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9001 * toplev.c: Fix thinko.
9003 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9004 Marcin Dalecki <martin@dalecki.de>
9006 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9007 (push_srcloc): Use XNEW.
9008 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9010 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9012 * df-core.c (df_set_blocks): Deleted all variable.
9014 2006-01-28 Ian Lance Taylor <ian@airs.com>
9016 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9017 cgraph_output_pending_asms.
9019 2006-01-28 Zack Weinberg <zackw@panix.com>
9021 * c.opt: Add -W(no-)overlength-strings.
9022 * doc/invoke.texi: Document it.
9023 * c-opts.c (c_common_handle_option): -pedantic implies
9024 -Woverlength-strings, if not explicitly disabled already.
9025 (c_common_post_options): -Woverlength-strings defaults to off, and
9026 is always off for C++.
9027 * c-common.c (fix_string_type): Issue warning about strings longer
9028 than is portable only if warn_overlength_strings. Rearrange code
9029 a little for clarity.
9030 * configure.in: Check for -Wno-overlength-strings as well before
9031 enabling -pedantic in stage 1.
9032 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9033 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9035 * genconditions.c (write_header, write_one_condition)
9036 (write_conditions, write_writer): Consolidate very long strings
9037 that were broken up to fit in C89 portable limit. Don't use
9038 printf when fputs will do.
9040 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9042 * combine.c (simplify_comparison <AND>): Check
9043 TRULY_NOOP_TRUNCATION before start using a subreg.
9045 * config/mips/mips.md (*branch_zero<mode>,
9046 *branch_zero<mode>_inverted, *branch_equality<mode>,
9047 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9048 Remove mode check from comparisons.
9050 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9052 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9054 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9056 * expmed.c (const_mult_add_overflow_p): Remove.
9057 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9059 * recog.c (validate_replace_rtx_subexp): Remove.
9060 * recog.h: Remove the prototype for
9061 validate_replace_rtx_subexp.
9063 * integrate.h: Remove the prototype for
9064 copy_decl_for_inlining.
9065 * rtl.h: Remove the prototype for mark_constant_function.
9066 * tree-vectorizer.h: Remove the prototype for
9067 vect_strip_conversion.
9069 * modulo-sched.c (create_partial_schedule,
9070 free_partial_schedule, reset_partial_schedule): Make them
9071 static.
9073 * hooks.c (hook_bool_rtx_int_false): Remove.
9074 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9076 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9078 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9079 and -mlong-double-128 are incompatible.
9080 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9081 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9082 (TARGET_LIBGCC2_CFLAGS): Define.
9083 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9084 (TARGET_LIBGCC2_CFLAGS): Same.
9085 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9087 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9089 PR c/19606.
9090 * c-typeck.c (build_binary_op): Perform implicit casts of
9091 operands before shortening them.
9093 * cfgloopmanip.c (split_loop_bb): Remove.
9094 * cfgloop.h: Remove the prototype for split_loop_bb.
9096 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9097 * cfgloop.h: Remove the prototype for
9098 flow_loop_outside_edge_p.
9100 * emit-rtl.c (init_virtual_regs): Make it static.
9101 * function.h: Remove the prototype for init_virtual_regs.
9103 * recog.c (peephole2_optimize): Make it static.
9104 * recog.h: Remove the prototype for peephole2_optimize.
9106 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9108 * df-scan.c (df_record_entry_block_defs): Check if
9109 INCOMING_RETURN_ADDR_RTX is defined.
9111 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9112 Kenneth Zadeck <zadeck@naturalbridge.com>
9114 PR rtl-optimization/24762
9115 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9116 * targhooks.c (hook_void_bitmap): New hook prototype.
9117 * targhoohs.h (hook_void_bitmap): Ditto.
9118 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9119 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9120 * target.h (live_on_entry): New function pointer.
9121 * df-scan.c (df_all_hard_regs): Removed.
9122 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9123 (df_scan_free_internal): Added df->entry_block_defs.
9124 (df_scan_alloc): Ditto.
9125 (df_scan_dump): Ditto.
9126 (df_uses_record): Plumbed flag field properly thru calls.
9127 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9128 This part fixes PR24762.
9129 (df_bb_refs_record): Added code to make the frame and arg
9130 pointers live in EH blocks.
9131 (df_refs_record): Added call to df_record_entry_block_defs.
9132 (df_record_entry_block_defs): New function.
9133 * df-core.c: Added comments to describe new artifical defs.
9134 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9135 (entry_block_defs): New field in struct df.
9136 (df_all_hard_regs): Deleted.
9137 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9138 * df-problems.c (df_ru_bb_local_compute_process_def):
9139 Added code to handle artifical defs in the entry to a function.
9140 (df_ru_bb_local_compute): Ditto.
9141 (df_rd_bb_local_compute_process_def): Ditto.
9142 (df_rd_bb_local_compute): Ditto.
9143 (df_lr_bb_local_compute): Ditto.
9144 (df_ur_bb_local_compute): Ditto.
9145 (df_urec_bb_local_compute): Ditto.
9146 (df_chain_create_bb): Ditto.
9147 (df_ur_local_finalize): Removed entry.
9148 (df_urec_init): Ditto.
9149 (df_urec_local_finalize): Ditto.
9150 (df_ri_bb_compute): Added detection of last use of pseudos.
9151 * Makefile.in (df-scan.o): Updated dependencies.
9152 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9153 * config/mips/mips.c (mips_set_live_on_entry): Added.
9154 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9155 for target hook.
9156 * dce.c (marked_insn_p): Added code to handle artifical defs.
9158 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9160 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9161 intrinsic.
9162 (_mm_cvtsi128_si64): Likewise.
9163 (_mm_cvtsd_si64): Likewise.
9164 (_mm_cvttsd_si64): Likewise.
9165 (_mm_cvtsi64_sd): Likewise.
9166 (_mm_cvtsi64_si128): Likewise.
9167 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9168 (_mm_cvtsi64_m64): Likewise.
9169 (_m_to_int64): Likewise.
9170 (_mm_cvtm64_si64): Likewise.
9171 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9172 (_mm_cvttss_si64): Likewise.
9173 (_mm_cvtsi64_ss): Likewise.
9174 (_mm_cvtss_f32): Likewise.
9176 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9178 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9179 for pragma redefine_extname.
9181 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9183 PR target/25864
9184 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9185 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9186 -mno-minimal-toc to previous content.
9187 (bispecs): Remove goal.
9188 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9189 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9190 compatibility aliases on powerpc-*-*gnu*.
9191 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9192 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9193 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9194 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9195 (ldblspecs): New goal.
9196 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9197 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9198 _df_to_tf.
9199 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9200 L_sf_to_tf or L_df_to_tf is defined.
9202 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9203 Alan Modra <amodra@bigpond.net.au>
9205 PR target/25864
9206 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9207 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9208 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9209 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9210 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9211 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9212 (rs6000_override_options): Initialize rs6000_ieeequad.
9213 Initialize TFmode format to ibm_extended_format if not
9214 TARGET_IEEEQUAD.
9215 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9216 ieeelongdouble.
9217 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9218 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9219 (function_arg_advance): IBM long double passed in two FPRs, not
9220 split.
9221 (function_arg): IBM long double passed in FPRs.
9222 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9223 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9224 Only multireg GPR aligned.
9225 (rs6000_init_libfuncs): Enable IBM long double functions if not
9226 IEEEQUAD.
9227 (rs6000_generate_compare): Use IBM long double compare if not
9228 TARGET_IEEEQUAD.
9229 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9230 (TARGET_IEEEQUAD): Define.
9231 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9232 not TARGET_IEEEQUAD.
9233 * config/rs6000/rs6000.md: Enable TFmode patterns if
9234 !TARGET_IEEEQUAD.
9235 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9236 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9237 and -mlong-double-128 are incompatible.
9238 * doc/invoke.texi (-mabi): Collect options together. Add
9239 ibmlongdouble and ieeelongdouble.
9241 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9243 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9244 opaque type.
9245 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9246 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9247 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9248 * rtl.h (rtunion_def): Remove rt_ptr.
9249 (X0PTR): Delete.
9250 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9251 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9252 * config/i386/winnt.c (i386_pe_mark_dllexport)
9253 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9255 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9257 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9259 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9261 PR other/24829
9262 PR target/24831
9263 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9264 pthread_key_delete. From John David Anglin. gthrw-ify
9265 pthread_getunique_np only if it it's not a macro. Delete
9266 UNUSED macro.
9267 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9268 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9269 __gthread_objc_condition_signal, __gthread_key_delete): Add
9270 "__attribute__ ((__unused__))" to unused arguments.
9271 (__gthread_recursive_mutex_init_function): Add missing return.
9272 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9273 gthr-posix95.h: Use macro-based approach for name redirection
9274 on targets missing weakref.
9276 2006-01-26 Zack Weinberg <zackw@panix.com>
9278 * genconditions.c (write_header): In generated code, #ifdef out
9279 all includes and fake declarations, except includes of bconfig.h
9280 and system.h, unless GCC_VERSION >= 3001. Do not include
9281 gensupport.h in any case.
9282 (write_conditions): Generate a definition of struct c_test. Add
9283 a comment to the generated #endif.
9284 (write_one_condition): Escape backslashes in string too.
9285 (write_writer): Generated code must escape backslashes and quote
9286 marks (but not newlines) in the strings it writes.
9287 * Makefile.in (build/gencondmd.o): Update dependencies.
9289 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9291 PR target/25961
9292 * Makefile.in (insn-automata.o): Add header file dependencies.
9293 * genautomata.c: Add includes.
9295 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9297 PR target/25961
9298 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9300 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9302 * configure.ac: Expect target tools paths to be passed from the toplevel
9303 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9304 AS_SET_VAR_IF.
9305 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9307 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9309 PR c/25892
9310 * c.opt (Wpointer-sign): Init to -1.
9311 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9312 OPT_pedantic, to 0 otherwise.
9313 * doc/invoke.texi: Update.
9315 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9317 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9318 constants provided by 80387 instructions in the destination mode.
9320 2006-01-26 Richard Guenther <rguenther@suse.de>
9321 Andrew Pinski <pinskia@physics.uc.edu>
9323 PR tree-opt/21470
9324 partial PR tree-opt/17064
9325 * tree-ssa-structalias.c (intra_create_variable_infos):
9326 Create heap variables for incoming parameters if
9327 flag_argument_noalias > 1.
9328 (find_what_p_points_to): Look through default defs of
9329 parameter decls.
9331 2006-01-26 Jeff Law <law@redhat.com>
9333 PR ada/25900
9334 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9335 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9336 within the VR_RANGE, use the VR_RANGE as the result, not the
9337 VR_ANTI_RANGE.
9338 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9339 bounds for the type.
9341 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9343 * tree-ssa-alias.c (maybe_create_global_var): Change
9344 subvar walking to an assertion that we don't have subvar'd variables.
9346 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9348 PR C/25861
9349 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9350 Use a new variable, inner. PARM_DECLs are always non-weak.
9352 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9354 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9355 --disable-checking.
9357 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
9359 * config/mips/mips.md (*clear_upper32): New combiner pattern.
9361 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
9363 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
9364 (smax_insn, smin_insn, smax_0, smin_0): New.
9366 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
9368 PR target/25947
9369 * config/cris/cris.c (cris_order_for_addsi3): New function.
9370 * config/cris/cris-protos.h: Prototype it.
9371 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
9372 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
9373 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
9374 (split for "op.S1 [rx=rx+i],ry (swapped)")
9375 (split for "op(s|u).S1 [rx=rx+i],ry")
9376 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
9377 Apply cris_order_for_addsi3 when generating addsi3 insns.
9379 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9381 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
9382 (TREE_BLOCK): Add call to EXPR_CHECK.
9384 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9386 PR 25886
9387 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
9388 * tree-pretty-print.c (dump_omp_clause): Extract from ...
9389 (dump_omp_clauses): ... here.
9390 (dump_generic_node): Handle OMP_CLAUSE.
9391 * tree.c (omp_clause_num_ops): New.
9392 (omp_clause_code_name): New.
9393 (tree_code_size): Handle OMP_CLAUSE.
9394 (tree_size): Likewise.
9395 (make_node): Document handling of OMP_CLAUSE.
9396 (tree_node_structure): Handle OMP_CLAUSE.
9397 (omp_clause_check_failed): New.
9398 (omp_clause_range_check_failed): New.
9399 (omp_clause_operand_check_failed): New.
9400 (build_omp_clause): New.
9401 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
9402 * tree.h (enum omp_clause_code): Declare.
9403 (OMP_CLAUSE_SUBCODE_CHECK): Define.
9404 (OMP_CLAUSE_RANGE_CHECK): Define.
9405 (OMP_CLAUSE_ELT_CHECK): Define.
9406 (omp_clause_check_failed): Declare.
9407 (omp_clause_operand_check_failed): Declare.
9408 (omp_clause_range_check_failed): Declare.
9409 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
9410 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
9411 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
9412 (OMP_CLAUSE_LASTPRIVATE): Likewise.
9413 (OMP_CLAUSE_IF_EXPR): Likewise.
9414 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
9415 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
9416 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
9417 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
9418 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
9419 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
9420 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
9421 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
9422 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
9423 (OMP_CLAUSE_CODE): Define.
9424 (OMP_CLAUSE_SET_CODE): Define.
9425 (OMP_CLAUSE_CODE): Define.
9426 (OMP_CLAUSE_OPERAND): Define.
9427 (struct tree_omp_clause): Declare.
9428 (union tree_node): Add field 'omp_clause'.
9429 * treestruct.def (TS_OMP_CLAUSE): Define.
9430 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
9431 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
9432 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
9433 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
9434 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
9435 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
9436 (OMP_CLAUSE): Define.
9437 * print-tree.c (print_node): Handle OMP_CLAUSE.
9438 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
9439 * c-typeck.c: Likewise.
9440 * gimplify.c: Likewise.
9441 * c-omp.c: Likewise.
9442 * tree-nested.c: Likewise.
9443 * tree-inline.c: Likewise.
9444 * c-parser.c: Likewise.
9445 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
9446 clauses.
9448 2006-01-25 Roger Sayle <roger@eyesopen.com>
9450 PR rtl-optimization/25703
9451 * combine.c (try_combine): Handle zero_extract and strict_low_part
9452 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
9454 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
9456 * global.c: Fix comment typos.
9458 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
9460 PR target/25758
9461 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
9462 Use output_addr_const instead of assemble_name.
9464 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
9466 * Makefile.in (sched-vis.o): Update dependencies.
9467 * haifa-sched.c (sched_finish): Clear current_sched_info.
9468 * cfg.c (dump_bb_info): New, split from dump_flow_info.
9469 (dump_flow_info): Call it.
9470 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
9471 a slim RTL dump.
9472 * basic-block.h (dump_bb_info): Declare.
9473 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
9474 option, and apply options only for dump files whose TDF_RTL,
9475 TDF_TREE, or TDF_IPA bits match.
9476 * rtl.h: Declare new functions exported from sched-vis.c.
9477 * sched-vis.c: Enable also if scheduling is not used.
9478 (print_value): Print the mode of registers if not inside scheduling.
9479 (print_insn): Make it work outside the scheduler. Beautify the output
9480 a bit.
9481 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
9483 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9485 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
9486 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
9487 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
9488 depending on the value of CONSTANT_POOL_ADDRESS_P.
9489 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
9490 SYMBOL_REF_DECL.
9491 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
9492 rather than SYMBOL_REF_DECL.
9493 (rtx_constant_pool): Remove const_rtx_sym_htab.
9494 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
9495 (init_varasm_status): Don't initialize const_rtx_sym_htab.
9496 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
9497 Remove handling of const_rtx_sym_htab.
9498 (find_pool_constant): Delete.
9499 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
9500 rather than find_pool_constant.
9501 (get_pool_constant_for_function): Delete.
9502 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
9503 find_pool_constant.
9504 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
9505 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
9506 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
9507 (SYMBOL_REF_CONSTANT): New macro.
9508 (get_pool_constant_for_function): Delete.
9509 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
9510 rather than SYMBOL_REF_DECL.
9511 (i386_pe_mark_dllimport): Likewise.
9512 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
9513 rather than SYMBOL_REF_DECL.
9514 * config/darwin.c (machopic_indirect_data_reference): Likewise.
9515 (machopic_indirect_call_target): Likewise.
9517 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
9519 * flow.c (delete_noop_moves): Add missing EOL to dump message.
9521 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9523 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
9525 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
9527 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
9529 2006-01-24 David Daney <ddaney@avtrex.com>
9531 PR java/25816
9532 * configure.ac (enable_tls): New enable option.
9533 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
9534 * configure: Regenerate.
9535 * doc/install.texi (--enable-tls): Document new option.
9536 (--disable-tls): Ditto.
9538 2006-01-24 Richard Henderson <rth@redehat.com>
9540 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
9541 * alias.c (true_dependence): Respect it.
9542 (canon_true_dependence, write_dependence_p): Likewise.
9543 * builtins.c (get_builtin_sync_mem): Set it.
9545 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
9547 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
9548 efficient way.
9550 2006-01-24 DJ Delorie <dj@redhat.com>
9552 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
9553 for storing constants in single-bit bitfields.
9555 2006-01-25 Ben Elliston <bje@au.ibm.com>
9557 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
9559 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
9561 PR tree-opt/25860
9562 * tree-ssa-pre.c (phi_translate): Return NULL
9563 for AGGREGATE_TYPE's.
9565 2006-01-24 Zack Weinberg <zackw@panix.com>
9567 * genautomata.c (process_state_for_insn_equiv_partition):
9568 Use xcalloc for insn_arcs_array.
9569 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
9570 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
9572 2006-01-24 Richard Henderson <rth@redhat.com>
9574 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
9575 update all callers.
9577 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
9579 PR rtl-optimization/25890
9580 PR rtl-optimization/25905
9581 * combine.c (expand_compound_operation, expand_field_assignment):
9582 Fail if the bitfield's final position is out of bounds.
9584 2006-01-24 Ian Lance Taylor <ian@airs.com>
9586 PR middle-end/25930
9587 * cgraphunit.c (cgraph_output_in_order): Don't clear
9588 cgraph_asm_nodes until after asm strings have been output.
9590 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9592 * fix-header.c (read_scan_file): Add new parameter imultilib when
9593 calling register_include_chains.
9595 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9597 * omp-low.c: Update documentation.
9599 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9600 Daniel Berlin <dberlin@dberlin.org>
9602 PR tree-opt/25315
9603 PR tree-opt/25857
9604 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
9605 return from the function.
9607 2006-01-22 Zack Weinberg <zackw@panix.com>
9609 * rtl.def (match_code): Add second argument.
9610 * genpreds.c (write_extract_subexp): New function.
9611 (write_match_code): Add path argument. Use write_extract_subexp.
9612 (write_predicate_expr): Pass path to write_match_code.
9613 (mark_mode_tests): MATCH_CODE applied to a subexpression does
9614 not perform a mode test.
9615 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
9616 a subexpression does not constrain the top-level code set.
9617 * read-rtl.c (read_rtx_variadic): New function.
9618 (read_rtx_1): Use it; allow AND and IOR to be variadic.
9619 * doc/md.texi: Document new notation.
9620 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
9621 (cmpsi_operand): ... here, using new notation.
9623 2006-01-22 Zack Weinberg <zackw@panix.com>
9625 * varray.c: Remove GENERATOR_FILE #ifdefs.
9627 2006-01-22 Zack Weinberg <zackw@panix.com>
9629 * genautomata.c (output_reserved_units_table): Emit nothing if
9630 description->query_units_num is zero. Remove extra blank line.
9631 (output_cpu_unit_reservation_p): Short circuit
9632 if description->query_units_num is zero.
9634 2006-01-22 Zack Weinberg <zackw@panix.com>
9636 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
9637 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
9638 nor any of the random handful of variables that used to be necessary
9639 when this program was linked with rtlanal.o. Prune set of forward
9640 function declarations.
9641 (struct attr_desc): Remove static_p field.
9642 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
9643 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
9644 (attr_string): Do not read the character one past the length of
9645 the string.
9646 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
9647 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
9648 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
9649 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
9650 (make_automaton_attrs): New.
9651 (main): Do not call into genautomata. Call local gen_bypass
9652 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
9653 Remove special case for insn_alts.
9654 * genautomata.c: Include gensupport.h; not genattrtab.h nor
9655 varray.h (leftover from previous change). Prune set of forward
9656 function declarations. Remove state_alts fields from all
9657 structures. Remove state_alts_table from struct automaton.
9658 Make everything except main static. Do not maintain num_dfa_decls.
9659 Do not maintain state_alts fields of various structures.
9660 (process_decls): Don't validate condexp for dm_insn_reserv decls.
9661 (add_arc): Remove state_alts argument. All callers updated.
9662 (output_reserved_units_table): Emit #ifdef here...
9663 (output_tables): ...not here. Don't generate state_alts tables.
9664 (expand_automata): Don't generate attributes.
9665 (write_automata): Don't generate state_alts functions.
9666 (main): New function.
9667 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
9668 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
9669 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
9670 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
9671 (BYPASS_P_FUNC_NAME, output_state_alts_table)
9672 (output_automata_list_state_alts_code, output_internal_state_alts_func)
9673 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
9674 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
9675 Delete.
9676 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
9677 * genattrtab.h: Delete file.
9678 * Makefile.in (OBJS-common): Add insn-automata.o.
9679 (insn-automata.o): New rule.
9680 (simple_generated_c): Add insn-automata.c.
9681 (build/genattrtab.o, build/genautomata.o): Update dependencies.
9682 (genprogmd): Add automata.
9683 (build/genattrtab): Needs no extra objects nor libraries.
9684 (build/genautomata): Needs build/vec.o and -lm.
9686 2006-01-22 Zack Weinberg <zackw@panix.com>
9688 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
9689 (output_dfa_max_issue_rate, locked_states_num): Delete.
9690 (struct automaton): Add locked_states field.
9691 (output_dead_lock_vect): Save number of locked states in
9692 automaton->locked_states. If it is zero, don't print anything.
9693 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9694 (output_internal_dead_lock_func): Only test the dead_lock_vect
9695 for automata that have locked states.
9696 (output_statistics): Always print the number of locked states for
9697 each automaton. Calculate total number of locked states here.
9698 (write_automata): Don't call output_dfa_max_issue_rate.
9699 * genattrtab.c: Define length_unit_log as a const variable.
9700 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9701 max_insn_queue_index const.
9702 * final.c (length_unit_log): Declare const.
9703 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9705 2006-01-22 Zack Weinberg <zackw@panix.com>
9707 * genautomata.c: Include vec.h, not varray.h.
9708 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9709 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9710 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9711 VEC_* macros operating on appropriately typed vectors, or to
9712 malloced arrays when the size is known in advance. Const-ify
9713 many char* variables and function arguments. No functional changes.
9714 * Makefile.in (build/varray.o): Delete rule.
9715 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9716 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9718 2006-01-22 Zack Weinberg <zackw@panix.com>
9720 * gensupport.c: Define get_insn_name and record_insn_name here.
9721 (read_md_rtx): Call record_insn_name as appropriate.
9722 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9723 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9724 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9725 record_insn_name.
9726 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9727 (BUILD_VARRAY): Delete.
9728 (genprognormal): Rename genprogmd. Fold in all programs from
9729 genprognoprint; also attrtab.
9730 (build/genattrtab): Just mention genautomata.o and varray.o.
9731 Reorganize a bit, add comments to make the categories clearer.
9733 2006-01-22 Zack Weinberg <zackw@panix.com>
9735 * genconditions.c (condition_table, add_condition): Delete.
9736 (write_conditions): Don't emit n_insn_conditions nor
9737 insn_elision_unavailable. Issue the gcc version #ifdef here,
9738 inside the table, with no #else clause ...
9739 (write_header): ...not here.
9740 (write_writer): New function.
9741 (main): Don't initialize condition_table. Use add_c_test.
9742 Call write_writer.
9743 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9744 files on the command line.
9745 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9746 Return -1 if there is no entry in the table, don't abort.
9747 (add_c_test, traverse_c_tests): New functions.
9748 * gensupport.h (insn_elision_unavailable, insn_conditions)
9749 (n_insn_conditions): Delete declarations.
9750 (add_c_test, traverse_c_tests): Declare.
9751 * read-rtl.c: Include gensupport.h.
9752 (read_conditions): New function.
9753 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9754 (read_rtx_1): If we get EOF when we were looking for an initial
9755 open paren, return 0. Call read_conditions when appropriate.
9756 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9757 dummy-conditions.o. Eliminate references to insn-conditions.o,
9758 or change them to build/gencondmd.o, as appropriate. Remove
9759 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9760 from $(simple_generated_c). For all files remaining in those
9761 two lists, add insn-conditions.md to the generator command line.
9762 Give insn-constants.h/s-constants their own rules. Add rules
9763 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9764 (build/read-rtl.o): Depend on gensupport.h.
9765 (genprognormal): Include preds.
9766 (genprogearly): Rename genprognoprint; only difference is now that
9767 they don't link with $(BUILD_PRINT).
9768 * dummy-conditions.c: Delete.
9770 2006-01-22 Zack Weinberg <zackw@panix.com>
9772 * genextract.c: Don't include insn-config.h. Do include vec.h.
9773 Declare vectors of int, char, and locstr.
9774 (locstr): New typedef.
9775 (struct extraction): Make all array fields into bare pointers.
9776 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9777 (insn_code_number): Delete.
9778 (accum_extract): New struct.
9779 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9780 (gen_insn): Take insn_code_number as an argument. Use an
9781 accum_extract structure instead of loading data directly into
9782 a struct extraction, and having to know how big it might get.
9783 (walk_rtx): Operate entirely on an accum_extract structure.
9784 (print_path): Avoid unnecessary use of printf.
9785 (print_header): New function, split out of main. Distinguish
9786 more carefully between an unrecognizable insn and an insn that
9787 has the code number of a define_expand.
9788 (main): Pass insn_code_number to gen_insn. Call print_header
9789 only after parsing. Avoid unnecessary use of printf.
9790 * Makefile.in (build/vec.o): New rule.
9791 (build/genextract): Depend on build/vec.o.
9792 (build/genextract.o): Don't depend on insn-config.h.
9794 2006-01-22 Zack Weinberg <zackw@panix.com>
9796 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9797 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9798 practical. Eliminate per-generator-program link rules.
9800 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9802 PR middle-end/24437
9803 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9804 with a call expr to ...
9805 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9807 2006-01-23 Richard Guenther <rguenther@suse.de>
9809 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9810 before make_edge with conditional EDGE_TRUE_VALUE.
9812 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9813 Jan Hubicka <jh@suse.cz>
9814 Richard Guenther <rguenther@suse.de>
9816 PR rtl-optimization/25654
9817 * cfgexpand.c (aggregate_contains_union_type): New function.
9818 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9819 for structure variables that contain a union type.
9821 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9823 * gengtype.c (new_structure): Return the structure.
9824 (create_option): Add an extra "next" argument.
9825 (create_field): New function.
9826 (adjust_field_rtx_def): Use create_option and create_field.
9827 Remove a now-unnecessary call to find_structure.
9828 (adjust_field_tree_def): Likewise.
9829 (note_yacc_type): Remove an unnecessary call to find_structure.
9830 * gengtype.h (new_structure): Return the structure.
9831 (create_option): Add an extra argument.
9832 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9833 (option): Adjust calls to create_option.
9835 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9837 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9839 2006-01-22 Paul Brook <paul@codesourcery.com>
9840 Peter Barada <peter@the-baradas.com>
9842 * config/m68k/m68k.md: Add Coldfire FPU support.
9843 Define FP mode macro and associated attributes.
9844 Use it for float mode patterns.
9845 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9846 (LIBCALL_VALUE): Use m68k_libcall_value.
9847 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9848 (m68k_function_value): Ditto.
9849 (emit_move_sequence): Ditto.
9850 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9851 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9852 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9853 (MULTILIB_EXCEPTIONS): Ditto.
9854 * config/m68k/m68k.opt: Add mcfv4e.
9855 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9856 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9857 (m68k_output_function_prologue): Save ColdFire FPU registers.
9858 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9859 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9860 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9861 ColdFire FPU registers.
9862 (m68k_libcall_value, m68k_function_value): New functions.
9863 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9864 (LIBCALL_VALUE): Use m68k_libcall_value.
9865 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9866 (MASK_COLDFIRE): Add MASK_CFV4E.
9867 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9868 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9869 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9870 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9871 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9872 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9873 * doc/invoke.tex: Document -mcfv4e on m68k.
9875 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9877 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9878 URL.
9880 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9882 PR c++/16190
9883 * c-opts.c (c_common_handle_option): Don't include
9884 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9885 * doc/invoke.texi (C++ Dialect Options): Document that
9886 -Wnon-virtual-dtor is no longer included in -Wall.
9888 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9890 * gcov.c (print_version), gcov-dump.c (print_version),
9891 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9892 dates.
9894 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9896 * df-scan.c (problem_SCAN): Added NULL reset function.
9897 (df_scan_reset_blocks): Added code to call reset block function
9898 (df_bb_refs_delete) Fixed comment.
9899 (df_insn_refs_delete): Made tolerant of deleting non existent info
9900 for dataflow problems that need to be reset.
9901 * df-core.c (df_set_blocks): Ditto.
9902 * df.h (struct df_problem): Added reset_fun.
9903 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9904 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9905 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9906 functions to clear out all references to def-use or use-def chains.
9908 2006-01-21 Ben Elliston <bje@au.ibm.com>
9910 * varasm.c (assemble_real): Initialise data array.
9912 2006-01-20 Paul Brook <paul@codesourcery.com>
9914 Merge from csl-arm-branch.
9915 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9916 * config/arm/arm.md (movdi): Force operands[1] to a register
9917 if we have a non-register source.
9918 (*arm_movdi, *movdf_soft_insn): Require that one of the
9919 operands be a register.
9920 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9921 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9923 2006-01-20 DJ Delorie <dj@redhat.com>
9925 * varasm.c (initialize_constant_valid_p): Allow pointers
9926 initialized from integer constants of lesser precision.
9927 (output_constant): Allow non-int-sized pointer modes to be
9928 initialized from integer constants.
9930 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9932 PR libstdc++/25524
9933 * cppdefault.h (struct default_include): Add multilib flag.
9934 * cppdefault.c (cpp_include_defaults): Set it.
9935 * c.opt (-imultilib): New option.
9936 * c-opts.c (imultilib): New.
9937 (c_common_handle_option): Handle -imultilib.
9938 (c_common_post_options): Likewise.
9939 * c-incpath.c (add_standard_paths, register_include_chains):
9940 Likewise.
9941 * c-incpath.h (register_include_chains): Add extra parameter.
9942 * gcc.c (do_spec_1): Generate -imultilib option.
9943 (The Specs Language): Update %I description.
9944 (process_command): Update copyright notice.
9945 * doc/cppopts.texi (-imultilib): Document.
9946 * doc/invoke.texi (-imultilib): Include in option summary.
9947 (%I): Update specs documentation.
9949 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9951 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9953 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9955 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9956 label numbers.
9958 2006-01-20 Richard Guenther <rguenther@suse.de>
9959 Steven Bosscher <stevenb.gcc@gmail.com>
9961 PR rtl-optimization/24626
9962 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9963 EDGE_TRUE_VALUE if in RTL mode.
9965 Revert
9966 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9967 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9969 2006-01-20 Dirk Mueller <dmueller@suse.com>
9971 PR c++/5520
9972 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9973 instead of a special NOP marker.
9974 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9975 NOP marker handling.
9976 * c-common.h (empty_body_warning): Add forward declaration.
9977 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9978 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9980 2006-01-20 Paul Brook <paul@codesourcery.com>
9982 * Makefile.in (lang_checks): Keep going if mkdir fails.
9984 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9986 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9987 be able to clean out basic block when not necessary.
9988 (df_scan_free): Fixed to properly delete information if df is
9989 unused before calling df_finish.
9990 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9991 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9992 or comment typos.
9993 (df_bb_refs_delete): New function.
9994 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9995 * df-core.c (df_set_blocks): Added code to properly clean out
9996 unused blocks if they are not part of the blocks to consider.
9997 Added additional null check.
9998 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9999 be able to clean out basic block when not necessary
10000 * df.h (df_free_bb_function): Ditto.
10001 (df_bb_refs_delete): New function.
10002 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10003 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10004 basic block parameter to be able to clean out basic block when not
10005 necessary.
10006 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10007 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10008 Fixed to properly delete information if df is unused before
10009 calling df_finish.
10011 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10013 PR rtl-optimization/25799
10014 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10015 Corrected confluence operator to remove bits from op2 before oring
10016 with op1 rather than removing bits from op1.
10017 (df_ru_transfer_function): Corrected test on wrong bitmap which
10018 caused infinite loop. Both of these problems were introduced in
10019 the dataflow rewrite.
10021 2006-01-19 DJ Delorie <dj@redhat.com>
10023 * reload1.c (find_reload_regs): Note the details of reload
10024 failures in the dump file.
10025 (spill_failure): Likewise.
10027 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10029 * loop-iv.c: Include df.h and hashtab.h.
10030 (enum iv_grd_result): New enum.
10031 (DF_REF_IV, DF_REF_IV_SET): New macros.
10032 (struct biv_entry): New.
10033 (df, bivs): New global variables.
10034 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10035 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10036 Removed.
10037 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10038 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10039 analyzed_for_bivness_p, record_biv): New functions.
10040 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10041 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10042 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10043 UD chains.
10044 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10045 analysed.
10046 (iv_number_of_iterations): Use new interface to iv analysis.
10047 * loop-unroll.c: Do not include varray.h.
10048 (analyze_iv_to_split_insn): Use new interface to iv
10049 analysis.
10050 * loop-unswitch.c (may_unswitch_on): Ditto.
10051 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10052 allocated.
10053 (df_bb_modify): Realloc tables to the new index.
10054 (df_find_use): New function.
10055 * df.h (df_find_use): Declare.
10056 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10057 outmode.
10058 * cfgloop.h (struct rtx_iv): Remove analysed field.
10059 (iv_get_reaching_def): Removed.
10060 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10061 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10062 (loop-iv.o): Add df.h and hashtab.h dependency.
10063 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10065 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10067 PR target/25668
10068 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10069 Double TFmode.
10070 (__floatundisf, __floatundidf): Likewise.
10071 * libgcc2.h (IS_IBM_EXTENDED): Define.
10073 2006-01-19 DJ Delorie <dj@redhat.com>
10075 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10077 2006-01-19 Paul Brook <paul@codesourcery.com>
10079 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10080 as nothrow when unwinding tables are disabled.
10082 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10084 PR testsuite/25171
10085 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10086 of bit-field" when in system header.
10088 2006-01-19 DJ Delorie <dj@redhat.com>
10090 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10091 the 16 bit shift limit of the m16c.
10093 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10095 PR target/22099
10096 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10097 * config/i386/i386.c (output_set_got): Output the label if we have one
10098 for the TARGET_DEEP_BRANCH_PREDICTION case.
10100 2006-01-19 Jan Hubicka <jh@suse.cz>
10101 H.J. Lu <hongjiu.lu@intel.com>
10102 Evandro Menezes <evandro.menezes@amd.com>
10104 * invoke.texi (generic): Document
10105 (i686) Update.
10106 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10107 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10108 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10109 (x86_use_incdec, x86_pad_returns): New variables
10110 (TARGET_CPU_DEFAULT_generic): New constant
10111 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10112 (enum processor_type): Add generic32 and generic64.
10113 * i386.md (cpu attribute): Add generic32/generic64
10114 (movhi splitter): Behave sanely when both partial_reg_dependency and
10115 partial_reg_stall are set.
10116 (K8 splitters): Enable for generic as well.
10117 * predicates.md (incdec_operand): Use TARGET_INCDEC
10118 (aligned_operand): Avoid memory mismatch stalls.
10119 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10120 * ppro.md: Enable for generic32
10121 * i386.c (generic64_cost, generic32_cost): New.
10122 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10123 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10124 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10125 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10126 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10127 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10128 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10129 x86_accumulate_outgoing_args, x86_prologue_using_move,
10130 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10131 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10132 Enable for generic.
10133 (x86_use_incdec, x86_pad_returns): New.
10134 (override_options): Add generic32 and generic64, translate "generic"
10135 to generic32/generic64 and "i686" to "generic32", refuse
10136 "generic32"/"generic64" as arch target.
10137 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10138 (ix86_reorg): Honor PAD_RETURNS.
10140 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10142 * tree-pretty-print.c (dump_generic_node): Handle
10143 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10144 * cgraph.c (cgraph_expand_queue): Rename from
10145 cgraph_analyze_queue. Update all users.
10146 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10147 cgraph_expand_queue.
10148 (cgraph_expand_all_functions): Likewise.
10149 (cgraph_finalize_pending_functions): Remove. Update callers.
10151 * tree.h (OMP_DIRECTIVE_P): Define.
10152 (OMP_PARALLEL_FN): Define.
10153 (OMP_PARALLEL_DATA_ARG): Define.
10154 (OMP_SECTIONS_SECTIONS): Define.
10155 * tree-pass.h (pass_expand_omp): Declare.
10156 * omp-low.c (struct omp_region): Declare.
10157 (struct omp_context): Remove fields 'parallel_type',
10158 'parallel_start_ix' and 'parallel_start_additional_args'.
10159 Update all users.
10160 (struct omp_for_data): Rename from struct expand_omp_for_data.
10161 (omp_regions): New static variable.
10162 (root_omp_region): New static variable.
10163 (find_omp_clause): Make static.
10164 (is_in_combined_parallel_ctx): Remove.
10165 (is_combined_parallel): New.
10166 (extract_omp_for_data): Move earlier in the file.
10167 (workshare_safe_to_combine_p): New.
10168 (get_ws_args_for): New.
10169 (determine_parallel_type): Move earlier in the file.
10170 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10171 child function.
10172 (omp_copy_decl): Likewise.
10173 (create_omp_child_function): Likewise.
10174 (lookup_omp_region): New.
10175 (dump_omp_region): New.
10176 (debug_omp_region): New.
10177 (debug_all_omp_regions): New.
10178 (new_omp_region): New.
10179 (scan_omp_parallel): If parallel_nesting_level > 1, the
10180 directive is nested within another parallel directive.
10181 Set OMP_PARALLEL_FN.
10182 (scan_omp_for): Do not try to handle combined parallel+for
10183 cases.
10184 Remove FIXME comment.
10185 (scan_omp_nested): Remove.
10186 (scan_omp_1): Do not call scan_omp_nested when
10187 parallel_nesting_level is > 1.
10188 Do not change the DECL_CONTEXT of local variables found.
10189 (lookup_decl_in_outer_ctx): New.
10190 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10191 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10192 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10193 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10194 If CTX is nested, lookup VAR in the outer context when
10195 building copy assignment.
10196 (lower_send_clauses): Rename from expand_send_clauses.
10197 If CTX is nested, lookup VAR in the outer context when
10198 building copy assignments.
10199 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10200 If CTX is nested, lookup VAR in the outer context when
10201 building copy assignments.
10202 (expand_parallel_call): Rename from build_parallel_call.
10203 Handle combined parallel+workshare cases.
10204 Re-implement to emit code into the CFG.
10205 (list2chain): New.
10206 (expand_omp_parallel): Re-implement to emit code into the CFG.
10207 Call move_sese_region_to_fn to outline the sub-graph
10208 containing the parallel region.
10209 (expand_omp_for_1): Remove.
10210 (expand_omp_for_generic): Re-implement to emit code into the
10211 CFG.
10212 (expand_omp_for_static_nochunk): Likewise.
10213 (expand_omp_for_static_chunk): Likewise.
10214 (expand_omp_for): Likewise.
10215 (expand_omp_sections): Likewise.
10216 (remove_exit_barriers): New.
10217 (expand_omp_synch): New.
10218 (expand_omp): New.
10219 (build_omp_regions_1): New.
10220 (build_omp_regions): New.
10221 (execute_expand_omp): New.
10222 (gate_expand_omp): New.
10223 (pass_expand_omp): Define.
10224 (lower_omp_sections): Rename from expand_omp_sections.
10225 Set OMP_SECTIONS_SECTIONS.
10226 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10227 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10228 (lower_omp_single): Rename from expand_omp_simple.
10229 (lower_omp_master): Rename from expand_omp_master.
10230 (lower_omp_ordered): Rename from expand_omp_ordered.
10231 (lower_omp_critical): Rename from expand_omp_critical.
10232 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10233 (lower_omp_for): Re-implement.
10234 (lower_omp_parallel): Re-implement.
10235 (lower_regimplify): Rename from expand_regimplify.
10236 (lower_omp_1): Rename from expand_omp_1.
10237 If there are syntax errors in the program, replace every
10238 OpenMP directive with NOP.
10239 Call lower_omp_* instead of expand_omp_*.
10240 (lower_omp): Rename from expand_omp.
10242 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10243 * tree-gimple.h (enum omp_parallel_type): Remove.
10244 (gimple_boolify): Declare extern.
10245 (find_omp_clause, determine_parallel_type): Remove.
10247 * gimple-low.c (lower_omp_directive): New.
10248 (lower_stmt): Call it.
10249 (record_vars_into): Move from ...
10250 (record_vars): ... here.
10251 Call record_vars_into with current_function_decl.
10253 * gimplify.c (struct gimplify_ctx): Remove fields
10254 combined_pre_p and combined_ctxp. Update users.
10255 (get_formal_tmp_var): Add documentation.
10256 (gimple_boolify): Make extern.
10257 (gimplify_expr_in_ctx): Remove. Update callers.
10258 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10259 will always be a BIND_EXPR.
10260 (gimplify_expr): Handle OMP_RETURN_EXPR.
10261 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10262 (OMP_PARALLEL): Add 3 operands.
10263 (OMP_SECTIONS): Add 1 operand.
10264 (OMP_RETURN_EXPR): Define.
10266 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10267 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10268 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10269 creating a circular free list.
10270 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10272 * tree-flow.h (move_sese_region_to_fn): Declare.
10273 (record_vars_into): Declare.
10274 * tree-cfg.c (make_omp_sections_edges): New.
10275 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10276 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10277 OMP_SECTIONS and OMP_SECTION.
10278 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10279 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10280 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10281 (gather_blocks_in_sese_region): New.
10282 (struct move_stmt_d): Declare.
10283 (move_stmt_r): New.
10284 (move_block_to_fn): New.
10285 (move_sese_region_to_fn): New.
10287 * passes.c (init_optimization_passes): Schedule
10288 pass_expand_omp after pass_init_datastructures.
10290 * tree-ssa-operands.c (get_expr_operands): Handle
10291 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10292 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10294 2006-01-19 Jeff Law <law@redhat.com>
10296 * tree-vrp.c (extract_range_from_assert): Refine the result range
10297 if the variable referenced by the ASSERT_EXPR has a range and
10298 either the tentative result range or the previous range is a
10299 VR_ANTI_RANGE.
10301 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10303 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10305 2006-01-19 Jan Hubicka <jh@suse.cz>
10307 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10309 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10311 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10312 (expand_compound_operation, expand_field_assignment): Fail if the
10313 bit lengths of an extract operation are out of range.
10314 (make_extraction): Compute wanted_inner_mode based on the position
10315 and length of the extraction. Make it extraction_mode for non-constant
10316 positions, and do not modify offset in that case. When generating a
10317 new MEM, use a mode that can hold the extraction while keeping correct
10318 alignment. Remove code that supported MEMs wrapped by USEs.
10319 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10321 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10323 * config/s390/s390.md ("Y", "y"): New mode attribute.
10324 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10325 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10326 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10327 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10328 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10329 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10330 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10331 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10332 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10333 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10334 "addsi3", "subsi3"): Insn patterns removed.
10335 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10336 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10337 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10338 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10339 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10340 "*sub<mode>3_cconly2"): New insn patterns.
10341 ("addsi3", "subsi3"): New expanders.
10343 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10345 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10346 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10347 existing STMT_VINFO_VECTYPE if available.
10348 (vect_mark_relevant): Add special handling for stmts that are
10349 marked as STMT_VINFO_IN_PATTERN_P.
10350 (vect_analyze_loop): Call vect_pattern_recog.
10351 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10352 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10353 stmt_info.
10354 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10355 (vect_recog_func_ptr): New function-pointer type.
10356 * tree-vect-patterns.c: New file.
10357 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
10358 (vect_recog_dot_prod_pattern, vect_pattern_recog):
10359 (vect_pattern_recog_1): New functions.
10360 (vect_pattern_recog_funcs): New array of function pointers.
10362 * tree-vectorizer.h (ternary_op): New enum value.
10363 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
10364 declaration. Revised documentation. Removed redundant dump prints.
10365 Removed redundant argument. Added support for reduction patterns.
10366 (vectorizable_reduction): Added support for reduction patterns.
10367 (vect_transform_stmt): Added support for patterns.
10369 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
10370 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
10371 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
10372 (expand_widen_pattern_expr): New function.
10373 (init_optabs): Initialize new optabs udot_prod_optab,
10374 sdot_prod_optab.
10375 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
10376 (sdot_prod_optab, udot_prod_optab): Define new optabs.
10377 (expand_widen_pattern_expr): New function declaration.
10378 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
10379 tree-codes.
10380 * tree-inline.c (estimate_num_insns_1): Added cases for new
10381 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10382 * tree-pretty-print.c (dump_generic_node): Likewise.
10383 (op_prio): Likewise.
10384 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10385 * tree-ssa-operands.c (get_expr_operands): Added case for
10386 DOT_PROD_EXPR.
10387 * tree-vect-patterns.c (widened_name_p): New function.
10388 (vect_recog_dot_prod_pattern): Added function implementation.
10389 * tree-vect-transform.c (get_initial_def_for_reduction): Added
10390 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
10391 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
10392 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
10394 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
10395 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
10396 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
10397 (init_optabs): Initialize new optabs widen_ssum_optab,
10398 widen_usum_optab.
10399 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
10400 (widen_ssum_optab, widen_usum_optab): Define new optabs.
10401 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
10402 use instead of type of def.
10403 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
10404 function implementation.
10405 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
10406 widen_ssumv8hi): New.
10408 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
10409 patterns.
10411 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10413 PR c/25805
10414 * c-decl.c (add_flexible_array_elts_to_size): New function.
10415 (finish_decl): Use it.
10417 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
10419 * diagnostic.h: Include options.h.
10420 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
10421 dependancies for diagnostic.h.
10422 * Makefile.in (DIAGNOSTIC_H): Add options.h.
10424 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
10426 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
10427 (ssa_ro_call_cache_valid): Ditto.
10428 * tree-ssa-alias.c (sort_tags_by_id): New function.
10429 (init_transitive_clobber_worklist): Ditto.
10430 (add_to_worklist): Ditto.
10431 (mark_aliases_call_clobbered): Ditto.
10432 (compute_tag_properties): Ditto.
10433 (set_initial_properties): Ditto.
10434 (compute_call_clobbered): Ditto.
10435 (compute_may_aliases): Call compute_call_clobbered and grouping.
10436 (compute_flow_sensitive_aliasing): Remove clobbering related code.
10437 (compute_flow_insensitive_aliasing): Grouping now happens in our
10438 caller.
10439 (setup_pointers_and_addressables): Remove clobbering related code.
10440 (add_may_alias): Ditto.
10441 (replace_may_alias): Ditto.
10442 (get_nmt_for): Ditto.
10443 (create_global_var):
10444 (is_escape_site): Return an escape_type enumeration.
10445 * tree-flow-inline.h (is_call_clobbered): Global var does not
10446 imply call clobbered.
10447 (mark_call_clobbered): Take a reason for marking this. Remove
10448 marking of globalness, and cache invalidation.
10449 (clear_call_clobbered): Remove cache invalidation code.
10450 * tree-dfa.c (dump_variable): If details is on, dump the reason
10451 for escaping.
10452 * tree-outof-ssa.c (create_temp): Copy escape mask from original
10453 variable.
10454 * tree-flow.h (struct ptr_info_def): Add escape mask member.
10455 (struct var_ann_d): Ditto.
10456 (enum escape_type): New.
10457 (mark_call_clobbered): Adjust prototype.
10458 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
10459 are never call clobbered.
10460 Record reasons for escaping.
10461 * tree-ssa-structalias.h (is_escape_site): Update prototype.
10462 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
10463 (ssa_ro_call_cache_valid): Ditto.
10464 (clobbered_v_may_defs): Ditto.
10465 (clobbered_vuses): Ditto.
10466 (ro_call_vuses): Ditto.
10467 (clobber_stats): New.
10468 (init_ssa_operands): Zero out clobber stats.
10469 (fini_ssa_operands): Print out clobber stats.
10470 (get_call_expr_operands): Pass callee fndecl to
10471 add_call_read_ops).
10472 (add_call_clobber_ops): Remove use of cache.
10473 Add use of PURE_CONST information.
10474 (add_call_read_ops): Remove use of cache.
10475 Add use of static not_read information.
10477 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
10479 Introduce TLS descriptors for i386 and x86_64.
10480 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
10481 (TARGET_ANY_GNU_TLS): New macro.
10482 (enum tls_dialect): Added TLS_DIALECT_GNU2.
10483 (struct machine_function): Add tls_descriptor_call_expanded_p.
10484 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
10485 (ix86_current_function_calls_tls_descriptor): Likewise.
10486 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
10487 (override_options): Introduce gnu2 tls dialect.
10488 (ix86_frame_pointer_required): Functions containing TLSCALLs are
10489 not leaves.
10490 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
10491 Likewise.
10492 (legitimize_tls_address): Adjust logic for GNU2 TLS.
10493 (ix86_init_machine_status): Initialize new field.
10494 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
10495 (ix86_tls_module_base): New.
10496 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
10497 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
10498 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
10499 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
10500 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
10501 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
10502 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
10503 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
10504 * config/i386/predicates.md (tls_modbase_operand): New.
10505 (tp_or_register_operand): New.
10507 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
10509 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
10510 (look_for_address_of): Ditto.
10511 (ipa_init): Walk the function decls.
10512 (static_execute): Don't set readonly on FUNCTION_DECL's.
10514 2006-01-18 Roger Sayle <roger@eyesopen.com>
10516 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
10517 for shifts where the source and destination registers are different.
10519 2006-01-18 Paul Brook <paul@codesourcery.com>
10521 Merge from csl-arm-branch.
10522 2005-03-14 Julian Brown <julian@codesourcery.com>
10523 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
10524 (aeabi_llsl): Likewise.
10525 (ashrdi3): Likewise.
10526 (aeabi_lasr): Likewise.
10527 (lshrdi3): Likewise.
10528 (aeabi_llsr): Likewise.
10529 2005-03-10 Julian Brown <julian@codesourcery.com>
10530 * config.gcc: Disable shared libgcc for SymbianOS.
10531 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
10533 2006-01-18 DJ Delorie <dj@redhat.com>
10535 * c-pragma.c (handle_pragma_diagnostic): New.
10536 (init_pragma): Register it.
10537 * doc/extend.texi: Document it.
10539 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
10540 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
10541 (diagnostic_context): Add classify_diagnostic[].
10542 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
10543 as errors if they're overridden to DK_WARNING.
10544 (diagnostic_initialize): Initialize classify_diagnostic[].
10545 (diagnostic_set_kind_override): New.
10546 (diagnostic_report_diagnostic): Check for kind changes.
10547 * opts.c (common_handle_option): Take lang_mask. Update callers.
10548 Handle OPT_Werror_.
10549 * common.opt (Werror=): New.
10550 * doc/invoke.texi: Document -Werror=*
10552 2006-01-18 Jeff Law <law@redhat.com>
10554 * tree-vrp.c (test_for_singularity): Correct test for new
10555 min limit. Use operand_equal_p rather than pointer equality
10556 for testing if new min/max values are equal.
10558 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
10559 using range information until after propagation and folding.
10561 2006-01-18 Richard Henderson <rth@redhat.com>
10562 Aldy Hernandez <aldyh@redhat.com>
10563 Jakub Jelinek <jakub@redhat.com>
10564 Diego Novillo <dnovillo@redhat.com>
10566 * omp-low.c: New file.
10567 * c-omp.c: New file.
10569 2006-01-18 Richard Henderson <rth@redhat.com>
10570 Jakub Jelinek <jakub@redhat.com>
10571 Diego Novillo <dnovillo@redhat.com>
10573 * doc/invoke.texi: Document -fopenmp.
10574 * tree-dump.h (debug_function): Declare.
10575 * hooks.c (hook_bool_tree_bool_false): New function.
10576 (hook_tree_tree_null): Remove.
10577 (hook_tree_tree_tree_null): New.
10578 * hooks.h: Update to match.
10579 * tree-pretty-print.c (debug_tree_chain): New.
10580 (print_generic_expr): Handle TDF_CHAIN.
10581 (dump_generic_node): Handle BLOCK.
10582 Do not abort with incomplete SWITCH_EXPRs.
10583 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10584 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10585 print space after directive name.
10586 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10587 Handle OMP_MASTER and OMP_ORDERED.
10588 Handle printing of OMP_BODY just in one place, goto
10589 dump_omp_body in the rest of OMP_* nodes that have
10590 OMP_BODY.
10591 Don't handle clause nodes here. Update omp statements to
10592 use dump_omp_clauses.
10593 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10594 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10595 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10596 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10597 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10598 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10599 Adjust output for GOMP_PARALLEL.
10600 (dump_omp_clauses): New.
10601 (print_declaration): Dump DECL_VALUE_EXPR.
10602 (op_symbol_1): Split out of op_symbol.
10603 (dumping_stmts): Remove. Update all users.
10604 * cgraph.c (cgraph_analyze_queue): New.
10605 (cgraph_add_new_function): New.
10606 * cgraph.h (cgraph_analyze_queue): Declare.
10607 (cgraph_add_new_function): Declare.
10608 (cgraph_lower_function): Remove.
10609 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
10610 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
10611 and TYPE_P nodes in its default clause.
10612 (empty_body_p): New.
10613 (tree_range_check_failed): New.
10614 (build5_stat): New.
10615 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
10616 OMP_CLAUSE_REDUCTION_MERGE,
10617 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
10618 OMP_CLAUSE_PRIVATE_DEBUG,
10619 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
10620 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
10621 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
10622 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
10623 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
10624 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
10625 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
10626 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
10627 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
10628 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
10629 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
10630 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
10631 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
10632 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
10633 (TREE_RANGE_CHECK): New.
10634 (empty_body_p): Declare.
10635 (enum omp_clause_default_kind): New.
10636 (build_string_literal): Declare.
10637 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
10638 (build5_stat, build5): Declare.
10639 * tree-pass.h (TDF_CHAIN): Define.
10640 * tree-pass.h (PROP_gimple_lomp): Define.
10641 (pass_lower_omp): Declare.
10642 * diagnostic.h (debug_tree_chain): Declare.
10643 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
10644 mode_for_size.
10645 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
10646 * builtins.c (build_string_literal): Make extern.
10647 * gcc.c (include_spec_function): New.
10648 (static_spec_functions): Add it.
10649 (main): Move load of libgomp.spec ...
10650 (LINK_COMMAND_SPEC): ... here.
10651 (link_gomp_spec): New.
10652 (static_specs): Include it.
10653 (LINK_COMMAND_SPEC): Add link_gomp.
10654 (GOMP_SELF_SPECS): New.
10655 (driver_self_specs): Include it.
10656 (switch_matches): Don't mark inline.
10657 (main): Load libgomp.spec.
10658 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
10659 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
10660 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
10661 * tree-gimple.h (enum omp_parallel): Declare.
10662 (determine_parallel_type): Declare.
10663 (omp_firstprivatize_variable): Declare.
10664 (omp_reduction_init): Declare.
10665 (diagnose_omp_structured_block_errors): Declare.
10666 (struct walk_stmt_info): Add want_return_expr.
10667 (struct walk_stmt_info): Add want_bind_expr, want_locations.
10668 (find_omp_clause): Declare.
10669 (insert_field_into_struct): Declare.
10670 (struct walk_stmt_info): Move from tree-nested.c
10671 (walk_stmts): Declare.
10672 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
10673 to 200505.
10674 * cgraphunit.c (cgraph_lower_function): Make static.
10675 (cgraph_finalize_pending_functions): New.
10676 (cgraph_finalize_function): Call it.
10677 (cgraph_finalize_compilation_unit): Likewise.
10678 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
10679 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
10680 (BT_FN_UINT_UINT): New.
10681 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
10682 DEF_FUNCTION_TYPE_VAR_4): Document.
10683 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
10684 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
10685 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
10686 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
10687 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
10688 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
10689 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
10690 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
10691 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
10692 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10693 into separate files.
10694 (DEF_GOMP_BUILTIN): New.
10695 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
10696 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
10697 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10698 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10699 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10700 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10701 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10702 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10703 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
10704 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10705 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10706 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10707 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10708 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10709 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10710 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10711 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10712 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10713 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10714 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10715 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10716 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10717 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10718 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10719 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10720 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10721 * sync-builtins.def: New file, moved from builtins.def.
10722 * omp-builtins.def: New file, moved from builtins.def.
10723 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10724 * gimple-low.c (lower_function_body): Clear data.
10725 (lower_stmt): Do not handle COMPOUND_EXPR.
10726 Remove call to print_node_brief.
10727 * c-tree.h (c_finish_omp_clauses): New prototype.
10728 (C_DECL_THREADPRIVATE_P): Define.
10729 (lookup_name_no_remap, c_omp_remap_private): Remove
10730 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10731 (check_for_loop_decls): Update decl.
10732 (lookup_name_no_remap, c_omp_remap_private): Declare.
10733 (build_indirect_ref, build_modify_expr, pushdecl,
10734 pushdecl_top_level): Move to c-common.h.
10735 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10736 before the switch, but just in the 2 places that need it.
10737 * c-decl.c (diagnose_mismatched_decls): Do not check for
10738 mismatched thread-local attributes when OLDDECL is marked
10739 threadprivate and NEWDECL has no thread-local attributes.
10740 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10741 (c_gimple_diagnostics_recursively): Rename from
10742 c_warn_unused_result_recursively. Invoke
10743 diagnose_omp_structured_block_errors.
10744 (check_for_loop_decls): Return a singular decl found.
10745 * langhooks.c (lhd_omp_predetermined_sharing): Return
10746 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10747 (lhd_omp_firstprivatize_type_sizes): New.
10748 (lhd_omp_assignment): New.
10749 (lhd_omp_predetermined_sharing): New.
10750 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10751 (struct lang_hooks_for_types): Add
10752 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10753 omp_predetermined_sharing, omp_disregard_value_expr,
10754 omp_private_debug_clause, omp_clause_default_ctor,
10755 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10756 (c_finish_omp_clauses): New.
10757 (c_finish_bc_stmt): Diagnose break within omp for.
10758 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10759 (build_unary_op): Return error_mark after reporting
10760 a readonly_error.
10761 (build_modify_expr): Likewise.
10762 * gimplify.c: Include optabs.h and pointer-set.h.
10763 (enum gimplify_omp_var_data): Declare.
10764 (struct gimplify_omp_ctx): Declare.
10765 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10766 and combined_ctxp.
10767 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10768 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10769 (splay_tree_compare_decl_uid): New.
10770 (new_omp_context): New.
10771 (delete_omp_context): New.
10772 (gimple_add_tmp_var): Call omp_add_variable.
10773 (gimplify_bind_expr): Likewise.
10774 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10775 true, disregard DECL_VALUE_EXPR on the decl if any.
10776 (gimplify_expr_in_ctx): New.
10777 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10778 omp_add_variable, omp_notice_variable, omp_is_private
10779 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10780 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10781 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10782 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10783 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10784 gimplify_omp_atomic): New.
10785 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10786 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10787 OMP_CRITICAL and OMP_ATOMIC.
10788 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10789 * c-pragma.h (enum pragma_kind): Add
10790 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10791 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10792 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10793 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10794 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10795 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10796 PRAGMA_OMP_THREADPRIVATE.
10797 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10798 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10799 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10800 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10801 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10802 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10803 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10804 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10805 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10806 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10807 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10808 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10809 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10810 OpenMP directives.
10811 (struct nesting_info): Add field_map,
10812 suppress_expansion, debug_var_chain.
10813 (create_nesting_tree): Initialize them.
10814 (lookup_field_for_decl): Use field_map.
10815 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10816 (convert_local_omp_clauses): New.
10817 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10818 (walk_body): Split out of walk_function.
10819 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10820 (convert_nonlocal_reference): Handle omp statements.
10821 (convert_local_reference): Likewise.
10822 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10823 (unnest_nesting_tree): New.
10824 (lower_nested_functions): Call it.
10825 (insert_field_into_struct): Make extern.
10826 (struct walk_stmt_info): Move to tree-gimple.h.
10827 (walk_stmts): Make extern.
10828 * omp-builtins.def: New file.
10829 * tree-iterator.c (expr_only): Clarify comment.
10830 * c-common.h (pushdecl_top_level, pushdecl,
10831 build_modify_expr, build_indirect_ref,
10832 c_finish_omp_master, c_finish_omp_critical,
10833 c_finish_omp_ordered, c_finish_omp_barrier,
10834 c_finish_omp_atomic, c_finish_omp_flush,
10835 c_finish_omp_for, c_split_parallel_clauses,
10836 omp_clause_default_kind, c_omp_sharing_predetermined,
10837 c_omp_remap_decl): Declare.
10838 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10839 (OBJS-common): Add omp-low.o.
10840 (c-omp.o, omp-low.o): Add.
10841 (gimplify.o): Add dependency on $(OPTABS_H).
10842 (GTFILES): Add omp-low.c.
10843 (gt-stringpool.h): Add.
10844 * tree-cfg.c (set_bb_for_stmt): Do not update the
10845 block-to-labels map if we are currently expanding to RTL.
10846 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10847 checks.
10848 Handle IDENTIFIER_NODE.
10849 (tree_verify_flow_info): Do not ICE when emitting error
10850 messages about invalid labels.
10851 (dump_function_to_file): Reset CFUN before emitting the body
10852 of the function.
10853 (debug_function): New.
10854 * passes.c (init_optimization_passes): Schedule
10855 pass_lower_omp.
10856 * langhooks-def.h (lhd_omp_predetermined_sharing,
10857 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10858 Declare.
10859 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10860 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10861 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10862 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10863 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10864 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10865 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10866 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10867 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10868 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10869 (LANG_HOOK_DECLS): Use them.
10871 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10872 Richard Henderson <rth@redhat.com>
10873 Jakub Jelinek <jakub@redhat.com>
10874 Diego Novillo <dnovillo@redhat.com>
10876 * c-parser.c (pragma_omp_clause): Define.
10877 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10878 (c_parser_compound_statement): Likewise.
10879 (c_parser_statement): Likewise.
10880 (c_parser_pragma): Handle omp pragmas.
10881 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10882 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10883 (c_parser_omp_clause_name, check_no_duplicate_clause,
10884 c_parser_omp_variable_list,
10885 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10886 c_parser_omp_clause_copyprivate,
10887 c_parser_omp_clause_default,
10888 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10889 c_parser_omp_clause_lastprivate,
10890 c_parser_omp_clause_nowait,
10891 c_parser_omp_clause_num_threads,
10892 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10893 c_parser_omp_clause_reduction,
10894 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10895 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10896 c_parser_omp_atomic, c_parser_omp_barrier,
10897 c_parser_omp_critical, c_parser_omp_flush,
10898 c_parser_omp_for_loop, c_parser_omp_for,
10899 c_parser_omp_master, c_parser_omp_ordered,
10900 c_parser_omp_sections_scope, c_parser_omp_sections,
10901 c_parser_omp_parallel, c_parser_omp_single,
10902 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10903 * c-pragma.c (init_pragma): Do omp pragma registration here.
10904 * c.opt (fopenmp): New flag.
10906 2006-01-18 Eric Christopher <echristo@apple.com>
10908 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10909 * config/darwin.h (GOMP_SELF_SPECS): Define.
10911 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10913 * rtl.h: Remove the prototype for reg_alloc.
10915 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10917 PR target/25731
10918 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10919 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10920 sjlj and dwarf2 exception handling.
10921 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10922 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10923 * pa/pa.c (function_value): Treat complex and vector types as
10924 aggregates.
10925 (function_arg): Likewise. Only pass scalar floats in the floating
10926 point argument registers.
10927 * pa/t-slibgcc-dwarf-ver: New file.
10928 * pa/t-slibgcc-sjlj-ver: New file.
10929 * pa/t-slibgcc-elf-ver: Delete file.
10931 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10933 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10934 unlikely_test_section_p test.
10936 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10938 * mode-switching.c (optimize_mode_switching): Make it static.
10939 * basic-block.h: Remove the prototype for
10940 optimize_mode_switching.
10942 * modulo-sched.c (sms_schedule): Make it static.
10943 * rtl.h: Remove the prototype for sms_schedule.
10945 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10946 * rtl.h: Remove the prototype for gcse_after_reload_main.
10948 * reg-stack.c (reg_to_stack): Make it static.
10949 * rtl.h: Remove the prototype for reg_to_stack.
10951 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10952 Make them static.
10953 * rtl.h: Remove the prototypes for regrename_optimize and
10954 copyprop_hardreg_forward.
10956 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10958 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10959 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10960 Test against the appropriate null constant for the mode.
10961 If 'fixup_overlap' is true, swap the operands if they overlap.
10962 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10963 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10964 alpha_split_tmode_pair and adjust for above change.
10965 * config/alpha/alpha.md (movtf_internal): Adjust call to
10966 alpha_split_tfmode_pair and rely on it to swap the operands.
10967 (movti_internal): New insn and post-reload splitter.
10968 (movti): New expander.
10970 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10972 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10973 operands.
10975 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10977 * rtlanal.c (global_reg_mentioned_p_1,
10978 global_reg_mentioned_p): Remove.
10979 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10981 * flow.c (initialize_uninitialized_subregs): Make it static.
10982 * rtl.h: Remove the prototype for
10983 initialize_uninitialized_subregs.
10985 * function.c (instantiate_virtual_regs): Make it static.
10986 * function.h: Remove the prototype for
10987 instantiate_virtual_regs.
10989 * regmove.c (regmove_optimize, combine_stack_adjustments):
10990 Make them static.
10991 * rtl.h: Remove the prototypes for regmove_optimize and
10992 combine_stack_adjustments.
10994 2006-01-17 Roger Sayle <roger@eyesopen.com>
10996 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10997 (size_cost): Encode costs in bytes so that a reg-reg addition is
10998 equivalent to COSTS_N_INSNS(1).
10999 (override_options): Use the size_cost.branch_cost as the default
11000 ix86_branch_cost when optimizing for size.
11002 2006-01-18 Ben Elliston <bje@au.ibm.com>
11004 * Makefile.in (D32PBIT_FUNCS): New.
11005 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11006 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11007 D64PBIT_FUNCS and D128PBIT_FUNCS.
11008 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11009 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11010 D128PBIT are set.
11011 (decnumber_dep): Define.
11012 * doc/libgcc.texi (Decimal float library routines): New node.
11013 * config/dfp-bit.h, config/dfp-bit.c: New files.
11015 2006-01-18 Ben Elliston <bje@au.ibm.com>
11017 * expr.c (emit_move_change_mode): Always adjust addresses, not
11018 just during reload. Copy replacements only during reload.
11019 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11020 emit_move_via_integer.
11022 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11024 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11025 instead of $(srcdir) and ${srcdir}.
11027 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11029 PR target/592
11030 PR middle-end/11135
11031 * arm.h (struct machine_function): Add pic_reg.
11032 * arm.c (arm_pic_register): Make unsigned.
11033 (arm_override_options): Only set arm_pic_register if
11034 TARGET_SINGLE_PIC_BASE.
11035 (use_return_insn): Only test for a pic register if it is fixed.
11036 (arm_compute_save_reg0_reg12_mask): Likewise.
11037 (thumb_compute_save_reg_mask): Likewise.
11038 (legitimate_pic_operand): Factor out some known invariants.
11039 (legitimize_pic_address): If we don't have a fixed pic register,
11040 then set up a pseudo in the function entry sequence. Handle the
11041 pic base being in a pseudo.
11042 (arm_load_pic_register): Handle the pic register being in a pseudo.
11043 (arm_expand_prologue): Only set up the pic register if it is fixed.
11044 (thumb_expand_prologue): Likewise.
11045 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11046 (pic_load_addr_based_insn): Likewise.
11047 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11048 fixed.
11050 2006-01-18 Ben Elliston <bje@au.ibm.com>
11052 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11053 decimal float modes for all floating point registers.
11055 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11056 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11058 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11060 PR c/25682
11061 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11062 even when the pointer is not NULL.
11064 2006-01-16 Ian Lance Taylor <ian@airs.com>
11066 * common.opt (ftoplevel-reorder): New option.
11067 * cgraph.c (cgraph_asm_nodes): New global variable.
11068 (cgraph_asm_last_node): New static variable.
11069 (cgraph_order): New global variable.
11070 (cgraph_create_node): Set new order field.
11071 (cgraph_varpool_node): Likewise.
11072 (decide_is_variable_needed): Return true if not
11073 flag_toplevel_reorder.
11074 (cgraph_add_asm_node): New function.
11075 * cgraph.h (struct cgraph_node): Add order field.
11076 (struct cgraph_varpool_node): Add order field.
11077 (struct cgraph_asm_node): Define.
11078 (cgraph_asm_nodes, cgraph_order): Declare.
11079 (cgraph_add_asm_node): Declare.
11080 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11081 function.
11082 (cgraph_varpool_assemble_pending_decls): Call it.
11083 (cgraph_output_pending_asms): New static function.
11084 (cgraph_finalize_compilation_unit): Call it.
11085 (struct cgraph_order_sort): Define.
11086 (cgraph_output_in_order): New static function.
11087 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11088 !flag_toplevel_reorder case.
11089 * c-parser.c: Include "cgraph.h".
11090 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11091 assemble_asm.
11092 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11093 than -fno-unit-at-a-time.
11094 * doc/invoke.texi (Option Summary): Mention
11095 -fno-toplevel-reorder.
11096 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11097 -funit-at-a-time documentation.
11099 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11100 Kazu Hirata <kazu@codesourcery.com>
11102 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11104 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11106 * Makefile.in (FUNCTION_H): New. Use it instead of
11107 function.h throughout the file.
11108 * function.h: Include tree.h.
11110 2006-01-17 Ben Elliston <bje@au.ibm.com>
11112 * recog.c: Separate some functions with whitespace.
11114 2006-01-16 Richard Henderson <rth@redhat.com>
11116 Merge from gomp branch:
11117 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11118 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11119 and rename from struct inline_data. Rename callee* to dst*;
11120 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11121 transform_new_cfg, transform_return_to_modify, and
11122 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11123 update_clones_p.
11124 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11125 (copy_decl_for_dup): Remove.
11126 * tree-inline.c (struct inline_data): Move to header.
11127 (insert_decl_map): Export.
11128 (remap_decl): Update for member name changes. Use copy_decl hook.
11129 Allow for replacement to be a non-decl. Remove dead code.
11130 (remap_type_1): Check for existing mapping.
11131 (remap_type): Export.
11132 (remap_decls): Update for member name changes.
11133 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11134 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11135 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11136 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11137 (tree_function_versioning, build_duplicate_type): Likewise.
11138 (copy_body_r): Likewise. Export.
11139 (copy_decl_for_dup): Split into ...
11140 (copy_decl_for_dup_finish, copy_decl_to_var,
11141 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11142 (replace_ref_tree, inlining_p): Remove.
11144 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11146 * ifcvt.c (if_convert): Make it static.
11147 * rtl.h: Remove the prototype for if_convert.
11149 * local-alloc.c (local_alloc): Make it static.
11150 * rtl.h: Remove the prototype for local_alloc.
11152 * loop.c (loop_optimize): Make it static.
11153 * cfgloop.h: Remove the prototype for loop_optimize.
11154 * rtl.h: Likewise.
11156 2006-01-16 DJ Delorie <dj@redhat.com>
11158 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11159 mems.
11161 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11163 * pa.md: Disparage copies between general and floating-point registers
11164 in 32-bit move patterns.
11166 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11168 PR testsuite/25741
11169 * Makefile.in (check-%): Depend on site.exp instead of
11170 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11171 directories.
11173 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11175 * global.c (global_alloc): Make it static.
11176 * rtl.h: Remove the prototype for global_alloc.
11178 2006-01-16 Richard Guenther <rguenther@suse.de>
11180 * tree-ssa-alias.c (struct used_part): Add write_only field.
11181 (get_or_create_used_part_for): Initialize it to true.
11182 (create_overlap_variables_for): Don't create structure variables
11183 for structures that only are written to.
11184 (find_used_portions): Handle MODIFY_EXPR to track whether a
11185 structure is only written to.
11187 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11189 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11190 static.
11191 * basic-block.h: Remove the prototype for
11192 partition_hot_cold_basic_blocks.
11194 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11196 * cppspec.c (lang_specific_spec_functions): Remove.
11197 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11198 * gcc.h (lang_specific_spec_functions): Remove.
11199 * gccspec.c (lang_specific_spec_functions): Remove.
11201 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11203 * combine.c (record_value_for_reg): Invalidate registers
11204 if INSN is null.
11205 (record_dead_and_set_regs_1): Likewise, by passing them to
11206 record_value_for_reg.
11207 (record_dead_and_set_regs): Invalidate stores made by a
11208 call. We do not combine across a call, but we still
11209 relied on equivalences.
11211 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11213 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11214 vrp_int_const_binop returning non-constant nodes.
11216 2006-01-16 Paul Brook <paul@codesourcery.com>
11218 * config/m68k/m68k.c (output_move_const_into_data_reg):
11219 Output correct mnemonic for mvz and mvs.
11221 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11223 * rtl-factoring.c: Add sequence abstraction algorithm.
11224 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11225 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11226 ABNORMAL edges.
11227 (block_has_preserve_label): New function.
11228 * common.opt: Register new pass.
11229 * Makefile.in: Ditto.
11230 * passes.c: Ditto.
11231 * timevar.def: Ditto.
11232 * tree-pass.h: Ditto.
11233 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11234 * rtl.h (make_jump_insn_raw): Add forward decl.
11235 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11237 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11238 Roger Sayle <roger@eyesopen.com>
11240 * fold-const.c (fold_minmax): New static function.
11241 (fold_binary) <MIN_EXPR>: Call it.
11242 <MAX_EXPR>: Likewise.
11243 * stor-layout.c (place_field): Use DECL_SIZE consistently
11244 in the computation of the new record size.
11246 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11248 * cse.c (cse_condition_code_reg): Make it static.
11249 * rtl.h: Remove the prototype for cse_condition_code_reg.
11251 * combine.c (combine_instructions): Make it static.
11252 * rtl.h: Remove the prototype for combine_instructions.
11254 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11256 PR target/25168
11257 * tree.c (get_file_function_name_long): Concatenate the first global
11258 object name with a string derived from the input filename of the object
11259 for type "F".
11261 2006-01-16 Ben Elliston <bje@au.ibm.com>
11263 * config/i386/winnt-stubs.c: Update FSF address.
11264 * config/xtensa/ieee754-df.S: Ditto.
11265 * config/xtensa/ieee754-sf.S: Ditto.
11267 2006-01-14 Ian Lance Taylor <ian@airs.com>
11269 * ifcvt.c (noce_init_if_info): New static function, broken out of
11270 noce_process_if_block.
11271 (noce_process_if_block): Call noce_init_if_info.
11272 (check_cond_move_block): New static function.
11273 (cond_move_process_if_block): New static function.
11274 (process_if_block): Call cond_move_process_if_block.
11276 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11278 * cselib.c (hash_table): Rename to cselib_hash_table.
11279 (cselib_clear_table, discard_useless_values,
11280 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11281 cselib_init, cselib_finish): Adjust uses of hash_table.
11283 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11285 PR tree-optimization/25485
11286 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11287 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11288 is known to be false and true, respectively.
11290 2006-01-14 Richard Guenther <rguenther@suse.de>
11292 PR tree-optimization/22548
11293 PR tree-optimization/22555
11294 PR tree-optimization/22501
11295 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11296 * params.def (salias-max-array-elements): New parameter.
11297 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11298 * doc/invoke.texi (salias-max-array-elements): Document.
11299 * tree-flow-inline.h (var_can_have_subvars): We also handle
11300 arrays now.
11301 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11302 COMPONENT_REF.
11303 * tree-ssa-structalias.c (params.h): Include.
11304 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11305 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11306 (get_constraint_for): For ADDR_EXPR operating on something
11307 containing an ARRAY_REF, add all subvars to the solution.
11308 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11309 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11310 for creating MUST_DEFs.
11311 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11313 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11315 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11316 functions.
11317 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11318 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11319 number_of_iterations_le): New functions.
11320 (number_of_iterations_special): Removed.
11321 (number_of_iterations_exit): Do not use number_of_iterations_special.
11322 * tree.c (unsigned_type_for): Always return integer type.
11324 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11325 Richard Guenther <rguenther@suse.de>
11327 PR rtl-optimization/24257
11328 * gcse.c (find_moveable_store): Only consider a store movable
11329 when the SET_SRC of the insn can be assigned to a register.
11331 2006-01-14 Ian Lance Taylor <ian@airs.com>
11333 * tree.c (tree_not_class_check_failed): New function.
11334 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11335 (tree_not_class_check_failed): Declare.
11337 2006-01-13 Ian Lance Taylor <ian@airs.com>
11339 * reload1.c (do_output_reload): Add assertion rejecting a
11340 CALL_INSN.
11342 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11344 * combine.c (struct reg_stat): Add new fields truncation_label and
11345 truncated_to_mode.
11346 (record_value_for_reg): Reset truncated_to_mode.
11347 (record_truncated_value): New function.
11348 (check_promoted_subreg): Call it. Rename to check_conversions.
11349 (combine_instructions): Rename check_promoted_subreg to
11350 check_conversions.
11351 (reg_truncated_to_mode): New function.
11352 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11353 (gen_lowpart_or_truncate): New function.
11354 (force_to_mode): Use it instead of gen_lowpart.
11356 2006-01-13 Diego Novillo <dnovillo@redhat.com>
11358 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
11359 VAR is a tag, not its type tag.
11361 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
11363 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
11364 alternatives to match style of other entries.
11365 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
11367 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
11369 PR tree-optimization/25771
11370 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
11371 SSA_NAMES.
11373 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
11375 PR tree-opt/24365
11376 * tree-inline.c (declare_return_variable): If the return variable
11377 was marked as a non gimple complex, set the return slot variable
11378 to be a non gimple comple variable.
11380 2006-01-13 Richard Guenther <rguenther@suse.de>
11382 * builtins.c (expand_builtin_sincos): New function.
11383 (expand_builtin_mathfn_3): Remove dead code, sin and cos
11384 do not set errno.
11385 (expand_builtin): Expand sincos using expand_builtin_sincos.
11387 2006-01-12 DJ Delorie <dj@redhat.com>
11389 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
11390 shift counts, separate SI shifts for m32c vs m16c, pass shift type
11391 so that constant shifts can be split.
11392 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
11393 (m32c_valid_pointer_mode): Make static.
11394 (shift_gen_func_for): New.
11395 (m32c_prepare_shift): Use it. Split large const shifts into
11396 multiple shifts.
11397 * config/m32c/predicates.md (shiftcount_operand): Allow more
11398 general operands.
11399 (longshiftcount_operand): New.
11400 * doc/md.texi (Machine Constraints): Document In6.
11402 2006-01-13 Ben Elliston <bje@au.ibm.com>
11404 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
11405 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
11406 documentation.
11408 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
11410 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
11411 to try to avoid clobbering pieces of structures when we know
11412 something about the whole structure.
11413 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
11415 2006-01-13 Ben Elliston <bje@au.ibm.com>
11417 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
11418 return in memory, as this is no limitation is no longer present.
11420 2006-01-12 DJ Delorie <dj@redhat.com>
11422 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
11423 mova with fb, and for fb+0 -> An.
11425 * config/m32c/mov.md (peephole2): Fix enabling logic.
11427 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11428 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
11429 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
11430 FINI_ARRAY_SECTION_ASM_OP): Define.
11432 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
11433 variable.
11434 (m32c_legitimize_reload_address): New logic to reload FB to An.
11435 (m32c_output_reg_push): Add newline.
11436 (m32c_output_reg_pop): Likewise.
11438 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
11440 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
11442 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
11444 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
11446 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11448 * config/sh/predicates.md (sh_rep_vec): Add parallel to
11449 match_code.
11451 2006-01-11 Ben Elliston <bje@au.ibm.com>
11453 * rtlanal.c (find_reg_note): Assert insn is not null.
11455 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11457 * df-scan.c (df_hard_reg_init): Move declaration of i outside
11458 ifdef.
11460 2006-01-11 Jeff Law <law@redhat.com>
11462 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
11463 hold edge pairs.
11464 (mark_threaded_blocks, register_jump_thread): New functions.
11465 (thread_through_all_blocks): Remove unwanted argument. No
11466 longer rely on e->aux to communicate thread target info.
11467 Call mark_threaded_blocks. Release the threaded_blocks
11468 bitmap and threaded_edges vector when complete.
11469 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
11470 (threaded_blocks): Remove.
11471 (tree_ssa_dominator_optimize): Remove initialization and
11472 finalization of threaded_blocks. Simplify call to
11473 thread_through_all_blocks.
11474 (thread_across_edge): Call register_jump_thread rather than
11475 storing thread information into e->aux.
11476 (free_all_edge_infos): Simplify now that e->aux is no longer
11477 used to communicate with thread_through_all_blocks.
11478 * tree-flow.h (thread_through_all_blocks): Update prototype.
11479 (register_jump_thread): Prototype.
11481 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11483 * df-core.c (df_compact_blocks, df_bb_replace): Use
11484 SET_BASIC_BLOCK instead of BASIC_BLOCK.
11486 2006-01-11 Richard Guenther <rguenther@suse.de>
11488 PR tree-optimization/25734
11489 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
11490 stop propagation after successful propagation to the LHS.
11492 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11494 * basic-block.h (control_flow_graph): Change the type of
11495 x_basic_block_info to VEC(basic_block,gc) *.
11496 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
11497 basic_block_info.
11498 (SET_BASIC_BLOCK): New.
11499 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
11500 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
11501 * cfgbuild.c (find_basic_blocks): Likewise.
11502 * cfglayout.c (fixup_reorder_chain): Likewise.
11503 * cfgrtl.c (create_basic_block_structure,
11504 rtl_create_basic_block): Likewise.
11505 * ifcvt.c (find_if_case_1): Likewise.
11506 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
11507 Likewise.
11509 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11511 * Makefile.in: Removed rotted odf.c entry.
11513 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
11515 PR target/25706
11516 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
11517 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
11518 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
11519 output pattern modifier, not %e.
11520 * config/cris/cris.c (cris_op_str): Update comment about pattern
11521 modifier.
11522 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
11523 before falling through into...
11524 <case 'E'>: Redefined from old 'e' case.
11526 2006-01-11 Jan Hubicka <jh@suse.cz>
11528 PR target/25042
11529 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
11531 2006-01-11 Jan Hubicka <jh@suse.cz>
11533 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
11534 * i386.c (x86_decompose_lea): Kill.
11535 (ix86_rtx_costs): Kill.
11537 2006-01-11 Jan Hubicka <jh@suse.cz>
11539 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
11540 * cgraph.h (cgraph_node): Add inline_decl.
11541 (cgraph_insert_node_to_hashtable): Declare.
11542 (save_inline_function_body): Declare.
11543 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
11544 clones.
11545 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
11546 (cgraph_function_versioning): Update call of tree_function_versioning.
11547 (save_inline_function_body): New function.
11548 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
11549 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
11550 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
11551 (cgraph_default_inline_p): Likewise.
11552 (cgraph_decide_inlining_incrementally): Likewise.
11553 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
11554 (copy_bb): Kill saving; do updating of clones.
11555 (copy_cfg_body): Kill saving.
11556 (initialize_inlined-parameters): Likewise.
11557 (expand_call_inline): Likewise.
11558 (save_body): Kill.
11559 (tree_function_versioning): New parameter "update_clones".
11560 (inlining_p): Kill saving.
11561 * tree-inline.h (tree_function_versioning): Update prototype.
11562 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
11563 saving.
11565 2006-01-11 Ian Lance Taylor <ian@airs.com>
11567 * combine.c (struct undo): Remove is_int. Enumify types of undos.
11568 Allow undoing set of machine mode.
11569 (do_SUBST): Use enums instead of is_int.
11570 (do_SUBST_MODE): New function.
11571 (SUBST_MODE): New macro.
11572 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
11573 reg and trying to replace reg_regno_rtx with a new register.
11574 (undo_all): Use new enums, handle undoing a PUT_MODE change.
11575 (simplify_set): Use SUBST_MODE.
11576 (distribute_notes): Remove code that tried to update reg notes
11577 for regno_reg_rtx changes.
11579 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
11581 PR tree-optimization/23109
11582 PR tree-optimization/23948
11583 PR tree-optimization/24123
11585 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11586 * tree-cfg.c (single_noncomplex_succ): New.
11587 * tree-flow.h (single_noncomplex_succ): Declare it.
11588 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11589 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11590 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11591 insert_bb, register_division_in, insert_reciprocals,
11592 replace_reciprocal, free_bb): New.
11593 (execute_cse_reciprocals_1): Rewritten.
11594 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11595 Do not commit any edge insertion. Always compute dominators and
11596 create the allocation pool.
11597 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11598 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11599 * targhooks.c (default_min_divistions_for_recip_mul): New.
11600 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11601 * passes.c (init_optimization_passes): Run recip after tree loop
11602 optimizations.
11603 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
11605 2006-01-11 Danny Berlin <dberlin@dberlin.org>
11606 Kenneth Zadeck <zadeck@naturalbridge.com>
11608 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
11609 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
11610 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
11611 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
11612 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
11613 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
11614 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
11615 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
11616 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
11617 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
11618 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
11619 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
11620 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
11621 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
11622 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
11623 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
11624 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
11625 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
11626 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
11627 DF_SCAN_POST_ALLOC): New macros.
11628 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
11629 df_free_bb_function, df_local_compute_function, df_init_function,
11630 df_dataflow_function, df_confluence_function_0,
11631 df_confluence_function_n, df_transfer_function,
11632 df_finalizer_function, df_free_function, df_dump_problem_function,
11633 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
11634 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
11635 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
11636 df_urec_bb_info, ) New types.
11637 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
11638 variables.
11639 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
11640 df_analyze_simple_change_some_blocks,
11641 df_analyze_simple_change_one_block, df_compact_blocks,
11642 df_bb_replace, df_bb_regno_last_use_find,
11643 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
11644 df_insn_regno_def_p, df_find_def, df_find_use,
11645 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
11646 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
11647 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
11648 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
11649 debug_df_chain, df_get_dependent_problem, df_chain_create,
11650 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
11651 df_grow_bb_info, df_chain_dump, df_print_bb_index,
11652 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
11653 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
11654 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
11655 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
11656 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
11657 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
11658 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
11659 df_ref_remove, df_insn_refs_delete, df_refs_delete,
11660 df_reorganize_refs, df_set_state, df_hard_reg_init,
11661 df_read_modify_subreg_p) New public functions.
11662 * df-core.c: The core dataflow solver and glue routines for rtl
11663 dataflow.
11664 (df_init, df_add_problem, df_set_blocks, df_finish,
11665 df_hybrid_search_forward, df_hybrid_search_backward,
11666 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
11667 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
11668 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
11669 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
11670 df_reg_defined, df_find_use, df_reg_used, df_dump,
11671 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
11672 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
11673 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
11674 debug_df_useno, reset_df_after_reload): New functions.
11675 * df-scan.c: The scanning fuctions, once in df.c, completely
11676 rewritten so that they now fully model the functionality of
11677 register usage at the backend.
11678 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
11679 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
11680 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
11681 df_grow_insn_info, df_rescan_blocks, df_ref_create,
11682 df_get_artificial_defs, df_get_artificial_uses,
11683 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
11684 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
11685 df_refs_delete, df_reorganize_refs, df_set_state,
11686 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
11687 df_def_record_1, df_defs_record, df_uses_record,
11688 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
11689 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
11690 df_record_exit_block_uses, df_hard_reg_init): New functions.
11692 * df-problems.c: Seven concrete dataflow problems that use the
11693 scanning in df-scan.c and are solved by the engine in df-core.c.
11694 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
11695 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
11696 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
11697 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11698 df_ru_free_bb_info, df_ru_alloc,
11699 df_ru_bb_local_compute_process_def,
11700 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11701 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11702 df_ru_transfer_function, df_ru_free, df_ru_dump,
11703 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
11704 df_rd_free_bb_info, df_rd_alloc,
11705 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11706 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11707 df_rd_transfer_function, df_rd_free, df_rd_dump,
11708 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11709 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11710 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11711 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11712 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11713 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11714 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11715 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11716 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11717 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11718 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11719 df_urec_mark_reg_use_for_earlyclobber,
11720 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11721 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11722 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11723 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11724 df_chain_create_bb_process_use, df_chain_create_bb,
11725 df_chain_finalize, df_chain_free, df_chains_dump,
11726 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11727 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11728 df_reg_lifetime): New functions.
11729 * df.c: Deleted file.
11730 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11731 consistent with new df api.
11732 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11733 rest_of_handle_sms): Ditto.
11734 * web.c (unionfind_union, union_defs, entry_register, web_main):
11735 Ditto.
11736 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11737 invariant_expr_equal_p, find_defs, check_dependencies,
11738 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
11739 free_inv_motion_data, move_loop_invariants): Ditto.
11740 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11741 Update dependencies.
11742 (odf.c): Added defective entry that was deleted later in day.
11743 * sched-deps.c (sched_analyze_1): Ditto.
11745 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11747 * tree-ssa-operands.c (get_expr_operands): Record addressable
11748 variables directly. Do not call add_stmt_operands for CONST_DECLs
11749 and ARRAY_DECLs.
11750 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11751 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11753 2006-01-11 Ben Elliston <bje@au.ibm.com>
11755 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11756 function returns true in the positive case.
11758 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11760 PR target/20754
11761 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11762 for SI, DI, SF and DF modes. Add alternatives to copy between
11763 general and floating point registers to the 32-bit patterns.
11764 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11765 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11766 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11767 generating 64-bit code.
11768 * config/pa/pa.c (output_move_double): Handle copies between general
11769 and floating registers.
11771 2006-01-10 Stuart Hastings <stuart@apple.com>
11773 * config/i386/i386.md (set_got): Update.
11774 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11775 (builtin_setjmp_receiver): Mach-O support.
11776 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11777 (GOT_SYMBOL_NAME): Define.
11778 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11779 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11780 * config/i386/i386.c (override_options): Revise for Darwin.
11781 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11782 support. (darwin_x86_file_end): New. (output_set_got): Add label
11783 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11784 * config/i386/i386-protos.h (output_set_got): Likewise.
11785 * config/darwin.c (machopic_legitimize_pic_address): Update
11786 regs_ever_live[].
11788 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11790 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11791 when MODE isn't BLKmode.
11793 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11795 PR rtl-optimization/25367
11796 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11798 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11800 PR target/25718
11801 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11802 for a negative bound.
11804 2006-01-10 Richard Guenther <rguenther@suse.de>
11806 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11807 Never override with anything constraint.
11809 2006-01-10 Jan Beulich <jbeulich@novell.com>
11811 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11812 256 bits when optimize_size.
11814 2006-01-10 Jan Beulich <jbeulich@novell.com>
11816 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11817 MASK_ALIGN_DOUBLE.
11818 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11819 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11820 arguments.
11822 2006-01-10 Ben Elliston <bje@au.ibm.com>
11824 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11825 float modes.
11826 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11827 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11828 (USE_FP_FOR_ARG): Reject decimal float modes.
11829 (function_arg_advance): Likewise.
11830 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11831 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11832 point types in AltiVec vectors.
11833 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11834 (rs6000_libcall_value): Likewise.
11836 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11838 * config/xtensa/ieee754-df.S: New file.
11839 * config/xtensa/ieee754-sf.S: New file.
11840 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11841 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11842 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11844 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11846 * config/sh/predicates.md (binary_float_operator,
11847 binary_logical_operator, commutative_float_operator,
11848 equality_comparison_operator, greater_comparison_operator,
11849 less_comparison_operator, logical_operator,
11850 noncommutative_float_operator, shift_operator,
11851 symbol_ref_operand, unary_float_operator): Remove redundant
11852 conditionals.
11854 2006-01-09 Jeff Law <law@redhat.com>
11856 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11857 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11858 now unused arguments. Callers updated.
11859 (eliminate_redundant_computations): Remove now unused arguments,
11860 callers updated.
11861 (local_fold): Remove, no longer used.
11862 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11863 and moved to...
11864 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11865 (simplify_cond): New function.
11866 (forward_propagate_into_cond): Call simplify_cond.
11868 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11870 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11871 (*vec_extractv2di_1_sse): New.
11873 2006-01-09 Ben Elliston <bje@au.ibm.com>
11875 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11877 2006-01-08 Richard Guenther <rguenther@suse.de>
11879 * tree-ssa-structalias.c (get_constraint_for): Remove
11880 anyoffset argument.
11881 (get_constraint_for_component_ref): Likewise.
11882 (do_deref): Likewise.
11883 (get_constraint_for): Likewise.
11884 (do_structure_copy): Likewise.
11885 (handle_ptr_arith): Likewise.
11886 (find_func_aliases): Likewise. Remove unused need_anyoffset
11887 variable.
11889 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11890 Kaz Kojima <kkojima@gcc.gnu.org>
11892 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11893 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11894 (EXTRA_CONSTRAINT_C16): Remove.
11895 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11896 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11897 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11898 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11899 constants of SHmedia. Handle nested constant expressions of
11900 SHmedia correctly.
11901 (andcosts): Fix the costs for SHmedia constants.
11902 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11903 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11904 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11905 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11906 (movv4hi_i, movv2si_i): Likewise.
11907 (movsi_const): Adjust the second operand of ior so to match with
11908 the Csu constraint.
11909 (movdi_const, movdi_const_32bit): Likewise.
11910 (movdi_const_16bit+1): Don't sign-extend LOW.
11911 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11912 step.
11913 (*double_shori): Fix the split condition. Use GEN_INT instead
11914 of get_int_mode calls. Mask lower 16-bit of the argument of
11915 the last GEN_INT.
11916 (sym2GOTPLT): Remove.
11917 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11918 gen_rtx_UNSPEC.
11919 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11920 instead of EXTRA_CONSTRAINT_C16.
11922 2006-01-07 Ian Lance Taylor <ian@airs.com>
11923 David Edelsohn <edelsohn@gnu.org>
11925 PR rtl-optimization/25662
11926 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11927 for constant operands instead of simplify_gen_binary.
11928 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11929 after trying simplify_binary_operation
11931 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11933 * tree.c (iterative_hash_expr): Hash decls based on UID.
11935 2006-01-06 Eric Christopher <echristo@apple.com>
11937 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11938 (TARGET_UNWIND_EMIT): Fix spelling.
11939 * target.h (gcc_target): Add except_table_label.
11940 * except.c (output_function_exception_table): Use.
11941 * varasm.c (default_emit_except_table_label): New.
11942 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11943 define.
11944 (asm_out): Add here.
11945 * output.h (default_emit_except_table_label): Prototype.
11946 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11947 * config/darwin.c (darwin_emit_except_table_label): Define.
11948 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11950 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11952 PR tree-optimization/18527
11953 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11954 number_of_iterations_special, number_of_iterations_exit):
11955 Move base and step of an iv to a single structure. Add
11956 no_overflow flag, and use it in # of iterations analysis.
11957 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11958 folded_casts argument.
11959 (simple_iv): Pass base and step in a structure. Set no_overflow
11960 flag.
11961 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11962 Evaluate expensiveness of computing # of iterations instead of
11963 the final expression.
11964 * tree-scalar-evolution.h (affine_iv): New structure.
11965 (simple_iv): Declaration changed.
11966 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11967 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11968 find_givs_in_stmt): Changed due to simple_iv change.
11970 2006-01-06 Jeff Law <law@redhat.com>
11972 PR ada/24994
11973 * tree-cfg.c (bsi_replace): Rename final argument from
11974 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11975 change (stmt -> orig_stmt).
11976 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11977 (bsi_remove): Add new argument. Remove EH information
11978 if requested.
11979 (verify_eh_throw_table_statements): New function.
11980 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11981 updated.
11982 * tree-optimize.c (execute_free_cfg_annotations): Verify
11983 the EH throw statement table after removing annotations.
11984 * except.h (verify_eh_throw_table_statements): Prototype.
11985 * tree-flow.h (bsi_remove): Update prototype.
11986 * tree-vrp.c (remove_range_assertions): Add new argument to
11987 bsi_remove call.
11988 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11989 * tree-complex.c (expand_complex_div_wide): Likewise.
11990 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11991 * tree-tailcall.c (eliminate_tailcall): Likewise.
11992 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11993 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11994 * tree-nrv.c (tree_nrv): Likewise.
11995 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11996 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11997 (combine_blocks): Likewise.
11998 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11999 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12000 (cleanup_control_flow): Likewise.
12001 (remove_forwarder_block): Likewise.
12002 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12003 * tree-sra.c (sra_replace): Likewise.
12004 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12005 (forward_propagate_single_use_vars): Likewise.
12006 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12007 * tree-inline.c (expand_call_inline): Likewise.
12008 * tree-vect-transform.c (vect_transform_loop): Likewise.
12009 * tree-outof-ssa.c (rewrite_trees): Likewise.
12010 * tree-cfg.c (make_goto_expr_edges): Likewise.
12011 (cleanup_dead_labels): Likewise.
12012 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12013 (bsi_move_before, bsi_move_after): Likewise.
12014 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12015 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12017 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12019 PR tree-opt/25528
12020 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12021 and IMAGPART_EXPR.
12022 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12023 on non gimple variables. Also add checks at the top for decls and
12024 mtags.
12025 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12026 complex types.
12027 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12028 and IMAGPART_EXPR for creating MUST_DEFs.
12029 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12030 and NAME_MEMORY_TAG separately from the DECLs.
12032 2006-01-06 Richard Guenther <rguenther@suse.de>
12034 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12035 annotation, if necessary.
12036 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12037 redundant calls to update_stmt.
12038 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12039 Likewise.
12041 2006-01-05 Richard Henderson <rth@redhat.com>
12043 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12045 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12047 * c-typeck.c: Update copyright date.
12049 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12051 * c-typeck.c (build_c_cast): Always warn when casting
12052 from a pointer to an integer of different size, even if
12053 the node was constant.
12055 2006-01-05 Richard Guenther <rguenther@suse.de>
12057 PR tree-optimization/22555
12058 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12059 if one structure field is an array.
12060 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12061 operands even if we found a subvar, but ignore VOPs in this
12062 case.
12063 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12064 for renaming.
12065 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12067 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12069 PR middle-end/24998
12070 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12072 2006-01-05 Richard Guenther <rguenther@suse.de>
12073 Diego Novillo <dnovillo@redhat.com>
12075 * tree-pass.h (TODO_remove_unused_locals): Define.
12076 * gimple-low.c (expand_var_p, remove_useless_vars,
12077 pass_remove_useless_vars): Remove. Update all users.
12078 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12079 (remove_unused_locals): New function.
12080 * tree-flow.h (remove_unused_locals): Declare.
12081 * passes.c (execute_todo): Call remove_unused_locals if
12082 TODO_remove_unused_locals is set.
12083 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12084 * tree-ssa-dce.c (pass_dce): Likewise.
12085 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12087 2006-01-05 Richard Guenther <rguenther@suse.de>
12089 * tree-flow.h (struct fieldoff): Decompose field to
12090 type, size and decl.
12091 * tree-ssa-alias.c (create_sft): Take type as parameter.
12092 (create_overlap_variables_for): Store type, size and decl
12093 in the fieldoff structure.
12094 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12095 of struct fieldoff.
12096 (push_fields_onto_fieldstack): Likewise.
12097 (create_variable_info_for): Likewise. Use offset for the
12098 SFT name if the decl is not available.
12100 2006-01-04 Paul Brook <paul@codesourcery.com>
12102 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12104 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12106 * lambda-code.c (can_put_in_inner_loop): Relax
12107 restrictions.
12108 (can_put_after_inner_loop): New function.
12109 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12110 (perfect_nestify): Change to make copies and modify uses.
12112 2006-01-04 Richard Henderson <rth@redhat.com>
12114 Merge from gomp branch:
12115 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12116 via integer constant.
12117 (pragma_lex): Remove.
12118 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12119 rather than parsing it.
12120 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12121 handle_pragma_extern_prefix): Add %< %> quotes.
12122 (registered_pragmas): New.
12123 (c_register_pragma_1): New.
12124 (c_register_pragma): Use it.
12125 (c_register_pragma_with_expansion): Likewise.
12126 (c_invoke_pragma_handler): New.
12127 (init_pragma): Use cpp_register_deferred_pragma directly for
12128 pch_preprocess.
12129 * c-pragma.h (enum pragma_kind): New.
12130 (pragma_handler): New.
12131 (c_invoke_pragma_handler): Declare.
12132 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12133 CPP_PRAGMA_EOL.
12134 * c-common.h (c_common_pch_pragma): Update decl.
12135 * Makefile.in (c-parser.o): Update dependencies.
12136 (GTFILES): Add c-pragma.h.
12137 * c-parser.c (struct c_token): Add pragma_kind.
12138 (struct c_parser): Add in_pragma.
12139 (c_lex_one_token): Always initialize keyword and pragma_kind.
12140 Extract data for CPP_PRAGMA.
12141 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12142 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12143 Don't allow CPP_PRAGMA_EOL if in_pragma.
12144 (c_parser_consume_pragma): New.
12145 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12146 (c_parser_skip_to_end_of_parameter): Likewise.
12147 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12148 (c_parser_skip_to_pragma_eol): New.
12149 (c_parser_external_declaration): Handle CPP_PRAGMA.
12150 (c_parser_compound_statement_nostart): Likewise.
12151 (c_parser_statement_after_labels): Likewise.
12152 (c_parser_pragma): New.
12153 (pragma_lex): Likewise.
12154 (c_parser_pragma_pch_preprocess): New.
12155 (c_parser_new): Merge into ...
12156 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12158 2006-01-04 Jeff Law <law@redhat.com>
12160 PR ada/24994
12161 * tree-cfg.c (bsi_replace): Remove the original statement
12162 from the EH throw statement table.
12164 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12166 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12167 make the prototype extern "C" and add throw ().
12169 PR target/25554
12170 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12171 and pos non-negative and pos + len <= 32.
12172 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12173 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12174 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12176 PR c/25559
12177 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12178 as well as sizes not multiple of component size.
12180 PR debug/25562
12181 * function.c (instantiate_expr): New function.
12182 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12183 walk its DECL_VALUE_EXPR with instantiate_expr.
12185 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12186 DW_OP_deref{,_size} if address isn't going to be added.
12188 2006-01-04 Ben Elliston <bje@au.ibm.com>
12190 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12191 * config/fp-bit.c: Likewise.
12193 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12195 * dominance.c: Add comment about why we use DFS numbering
12196 of dominance tree.
12198 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12199 Richard Henderson <rth@redhat.com>
12201 Merge from gomp-branch:
12202 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12203 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12205 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12207 PR rtl-optimization/25578
12208 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12209 pass a parameter to simplify_shift_const if changing ASHIFTRT
12210 to LSHIFTRT.
12212 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12214 * builtins.c (get_builtin_sync_mem): New function.
12215 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12216 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12217 Call get_builtin_sync_mem to generate mem rtx.
12219 2006-01-03 Richard Guenther <rguenther@suse.de>
12221 PR c/25183
12222 * stmt.c (add_case_node): Make sure to clear overflow flags
12223 from ranges.
12225 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12227 Merge from gomp-branch.
12228 * config/sparc/sync.md: New file.
12229 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12230 UNSPECV_LDSTUB): New constants.
12231 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12232 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12233 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12234 prototype.
12236 2006-01-03 Roger Sayle <roger@eyesopen.com>
12238 * combine.c (reg_subword_p): New predicate to test whether the
12239 destination of a set refers to a subword/piece of a register.
12240 (try_combine): Generalize the code to merge the setting of a
12241 pseudo to a constant followed by a set of a subword of that
12242 register to a constant.
12244 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12246 * basic-block.h (control_flow_graph): Change the type of
12247 x_label_to_block_map to VEC(basic_block,gc) *.
12248 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12249 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12251 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12252 VEC(basic_block,heap) *.
12253 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12254 ssa_prop_fini): Adjust the uses of cfg_blocks.
12256 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12258 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12259 COMPONENT_REFs.
12260 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12261 hashing trees instead of a pointer hash.
12262 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12263 compare for MEM_EXPR.
12265 PR rtl-optimization/25130
12266 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12267 when comparing MEMs for GCSE
12269 2006-01-03 Ben Elliston <bje@au.ibm.com>
12271 * targhooks.h (default_decimal_float_supported_p): Declare.
12272 * targhooks.c (default_decimal_float_supported_p): Define.
12273 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12274 `default_decimal_float_supported_p'.
12275 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12277 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12279 * combine.c (apply_distributive_law <SUBREG>): Check
12280 TRULY_NOOP_TRUNCATION.
12282 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12284 * dwarf2out.c (have_switched_text_section): Delete.
12285 (have_multiple_function_sections): New.
12286 (have_location_lists): Make 'bool'.
12287 (add_AT_loc_list): Use 'true' not '1'.
12288 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12289 (output_loc_list): Use have_multiple_function_sections.
12290 (output_ranges): Likewise.
12291 (dwarf2out_begin_function): Set have_multiple_function_sections if
12292 necessary.
12293 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12294 Check function_section rather than DECL_SECTION_NAME.
12295 (dwarf2out_finish): Use have_multiple_function_sections.
12296 Don't clear have_location_lists.
12298 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12299 Jan Hubicka <jh@suse.cz>
12301 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12302 case of conditional jump jumping to the next instruction.
12303 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12304 cases of conditional jump jumping to the next instruction.
12306 2006-01-02 Jan Hubicka <jh@suse.cz>
12308 * i386.c (*_cost): Add COSTS_N_INSNS.
12309 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12311 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12313 PR target/25259
12314 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12316 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12318 * config/arm/arm.c (all_fpus): Fix comment typo.
12319 * config/darwin.c: Likewise.
12320 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12321 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12322 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12324 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12326 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12327 (rs6000_split_compare_and_swapqhi): New.
12328 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12329 (sync_compare_and_swapqhi_internal): New.
12330 * config/rs6000/rs6000-protos.h: Declare.